@@ -117,7 +117,6 @@ CONFIG_DRM_MIPI_DSI=y
CONFIG_DRM_MSM=y
CONFIG_DRM_MSM_DPU=y
CONFIG_DRM_MSM_DSI=y
-# CONFIG_DRM_MSM_DSI_STAGING is not set
# CONFIG_DRM_MSM_HDCP is not set
# CONFIG_DRM_MSM_HDMI is not set
# CONFIG_DRM_MSM_HDMI_HDCP is not set
@@ -30,7 +30,6 @@ CONFIG_DRM_MIPI_DSI=y
CONFIG_DRM_MSM=y
CONFIG_DRM_MSM_DPU=y
CONFIG_DRM_MSM_DSI=y
-# CONFIG_DRM_MSM_DSI_STAGING is not set
# CONFIG_DRM_MSM_HDCP is not set
# CONFIG_DRM_MSM_HDMI is not set
# CONFIG_DRM_MSM_HDMI_HDCP is not set
@@ -58,18 +58,6 @@ config DRM_MSM_DSI
Choose this option if you have a need for MIPI DSI connector
support.
-config DRM_MSM_DSI_STAGING
- bool "Enable new DSI driver support in MSM DRM driver"
- depends on DRM_MSM
- select DRM_PANEL
- select DRM_MIPI_DSI
- default y
- help
- Choose this option if you need MIPI DSI connector support on MSM
- which conforms to DRM. MIPI stands for Mobile Industry Processor
- Interface and DSI stands for Display Serial Interface which powers
- the primary display of your mobile device.
-
config DRM_MSM_DSI_PLL
bool "Enable DSI PLL driver in MSM DRM"
depends on DRM_MSM_DSI && COMMON_CLK
@@ -1,7 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
ccflags-y := -Idrivers/gpu/drm/msm
ccflags-y += -Idrivers/gpu/drm/msm/disp/dpu1
-ccflags-y += -Idrivers/gpu/drm/msm/dsi-staging
ccflags-$(CONFIG_DRM_MSM_DSI) += -Idrivers/gpu/drm/msm/dsi
msm-y := \
@@ -144,26 +143,6 @@ msm-$(CONFIG_DRM_MSM_DSI_28NM_8960_PHY) += dsi/phy/dsi_phy_28nm_8960.o
msm-$(CONFIG_DRM_MSM_DSI_14NM_PHY) += dsi/phy/dsi_phy_14nm.o
msm-$(CONFIG_DRM_MSM_DSI_10NM_PHY) += dsi/phy/dsi_phy_10nm.o
-msm-$(CONFIG_DRM_MSM_DSI_STAGING) += dsi-staging/dsi_phy.o \
- dsi-staging/dsi_pwr.o \
- dsi-staging/dsi_phy.o \
- dsi-staging/dsi_phy_hw_v2_0.o \
- dsi-staging/dsi_phy_hw_v3_0.o \
- dsi-staging/dsi_phy_timing_calc.o \
- dsi-staging/dsi_phy_timing_v2_0.o \
- dsi-staging/dsi_phy_timing_v3_0.o \
- dsi-staging/dsi_ctrl_hw_cmn.o \
- dsi-staging/dsi_ctrl_hw_1_4.o \
- dsi-staging/dsi_ctrl_hw_2_0.o \
- dsi-staging/dsi_ctrl_hw_2_2.o \
- dsi-staging/dsi_ctrl.o \
- dsi-staging/dsi_catalog.o \
- dsi-staging/dsi_drm.o \
- dsi-staging/dsi_display.o \
- dsi-staging/dsi_panel.o \
- dsi-staging/dsi_clk_manager.o \
- dsi-staging/dsi_display_test.o
-
msm-$(CONFIG_DRM_MSM_DSI_28NM_PHY) += dsi/phy/dsi_phy_28nm.o
msm-$(CONFIG_DRM_MSM_DSI_20NM_PHY) += dsi/phy/dsi_phy_20nm.o
msm-$(CONFIG_DRM_MSM_DSI_28NM_8960_PHY) += dsi/phy/dsi_phy_28nm_8960.o
deleted file mode 100644
@@ -1,241 +0,0 @@
-/*
- * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#define pr_fmt(fmt) "msm-dsi-catalog:[%s] " fmt, __func__
-#include <linux/errno.h>
-
-#include "dsi_catalog.h"
-
-/**
- * dsi_catalog_cmn_init() - catalog init for dsi controller v1.4
- */
-static void dsi_catalog_cmn_init(struct dsi_ctrl_hw *ctrl,
- enum dsi_ctrl_version version)
-{
- /* common functions */
- ctrl->ops.host_setup = dsi_ctrl_hw_cmn_host_setup;
- ctrl->ops.video_engine_en = dsi_ctrl_hw_cmn_video_engine_en;
- ctrl->ops.video_engine_setup = dsi_ctrl_hw_cmn_video_engine_setup;
- ctrl->ops.set_video_timing = dsi_ctrl_hw_cmn_set_video_timing;
- ctrl->ops.set_timing_db = dsi_ctrl_hw_cmn_set_timing_db;
- ctrl->ops.cmd_engine_setup = dsi_ctrl_hw_cmn_cmd_engine_setup;
- ctrl->ops.setup_cmd_stream = dsi_ctrl_hw_cmn_setup_cmd_stream;
- ctrl->ops.ctrl_en = dsi_ctrl_hw_cmn_ctrl_en;
- ctrl->ops.cmd_engine_en = dsi_ctrl_hw_cmn_cmd_engine_en;
- ctrl->ops.phy_sw_reset = dsi_ctrl_hw_cmn_phy_sw_reset;
- ctrl->ops.soft_reset = dsi_ctrl_hw_cmn_soft_reset;
- ctrl->ops.kickoff_command = dsi_ctrl_hw_cmn_kickoff_command;
- ctrl->ops.kickoff_fifo_command = dsi_ctrl_hw_cmn_kickoff_fifo_command;
- ctrl->ops.reset_cmd_fifo = dsi_ctrl_hw_cmn_reset_cmd_fifo;
- ctrl->ops.trigger_command_dma = dsi_ctrl_hw_cmn_trigger_command_dma;
- ctrl->ops.get_interrupt_status = dsi_ctrl_hw_cmn_get_interrupt_status;
- ctrl->ops.get_error_status = dsi_ctrl_hw_cmn_get_error_status;
- ctrl->ops.clear_error_status = dsi_ctrl_hw_cmn_clear_error_status;
- ctrl->ops.clear_interrupt_status =
- dsi_ctrl_hw_cmn_clear_interrupt_status;
- ctrl->ops.enable_status_interrupts =
- dsi_ctrl_hw_cmn_enable_status_interrupts;
- ctrl->ops.enable_error_interrupts =
- dsi_ctrl_hw_cmn_enable_error_interrupts;
- ctrl->ops.video_test_pattern_setup =
- dsi_ctrl_hw_cmn_video_test_pattern_setup;
- ctrl->ops.cmd_test_pattern_setup =
- dsi_ctrl_hw_cmn_cmd_test_pattern_setup;
- ctrl->ops.test_pattern_enable = dsi_ctrl_hw_cmn_test_pattern_enable;
- ctrl->ops.trigger_cmd_test_pattern =
- dsi_ctrl_hw_cmn_trigger_cmd_test_pattern;
- ctrl->ops.clear_phy0_ln_err = dsi_ctrl_hw_dln0_phy_err;
- ctrl->ops.phy_reset_config = dsi_ctrl_hw_cmn_phy_reset_config;
- ctrl->ops.setup_misr = dsi_ctrl_hw_cmn_setup_misr;
- ctrl->ops.collect_misr = dsi_ctrl_hw_cmn_collect_misr;
- ctrl->ops.debug_bus = dsi_ctrl_hw_cmn_debug_bus;
-
- switch (version) {
- case DSI_CTRL_VERSION_1_4:
- ctrl->ops.setup_lane_map = dsi_ctrl_hw_14_setup_lane_map;
- ctrl->ops.ulps_ops.ulps_request = dsi_ctrl_hw_14_ulps_request;
- ctrl->ops.ulps_ops.ulps_exit = dsi_ctrl_hw_14_ulps_exit;
- ctrl->ops.wait_for_lane_idle =
- dsi_ctrl_hw_14_wait_for_lane_idle;
- ctrl->ops.ulps_ops.get_lanes_in_ulps =
- dsi_ctrl_hw_14_get_lanes_in_ulps;
- ctrl->ops.clamp_enable = dsi_ctrl_hw_14_clamp_enable;
- ctrl->ops.clamp_disable = dsi_ctrl_hw_14_clamp_disable;
- ctrl->ops.reg_dump_to_buffer =
- dsi_ctrl_hw_14_reg_dump_to_buffer;
- break;
- case DSI_CTRL_VERSION_2_0:
- ctrl->ops.setup_lane_map = dsi_ctrl_hw_20_setup_lane_map;
- ctrl->ops.wait_for_lane_idle =
- dsi_ctrl_hw_20_wait_for_lane_idle;
- ctrl->ops.reg_dump_to_buffer =
- dsi_ctrl_hw_20_reg_dump_to_buffer;
- ctrl->ops.ulps_ops.ulps_request = NULL;
- ctrl->ops.ulps_ops.ulps_exit = NULL;
- ctrl->ops.ulps_ops.get_lanes_in_ulps = NULL;
- ctrl->ops.clamp_enable = NULL;
- ctrl->ops.clamp_disable = NULL;
- break;
- case DSI_CTRL_VERSION_2_2:
- ctrl->ops.phy_reset_config = dsi_ctrl_hw_22_phy_reset_config;
- ctrl->ops.setup_lane_map = dsi_ctrl_hw_20_setup_lane_map;
- ctrl->ops.wait_for_lane_idle =
- dsi_ctrl_hw_20_wait_for_lane_idle;
- ctrl->ops.reg_dump_to_buffer =
- dsi_ctrl_hw_20_reg_dump_to_buffer;
- ctrl->ops.ulps_ops.ulps_request = NULL;
- ctrl->ops.ulps_ops.ulps_exit = NULL;
- ctrl->ops.ulps_ops.get_lanes_in_ulps = NULL;
- ctrl->ops.clamp_enable = NULL;
- ctrl->ops.clamp_disable = NULL;
- break;
- default:
- break;
- }
-}
-
-/**
- * dsi_catalog_ctrl_setup() - return catalog info for dsi controller
- * @ctrl: Pointer to DSI controller hw object.
- * @version: DSI controller version.
- * @index: DSI controller instance ID.
- * @phy_isolation_enabled: DSI controller works isolated from phy.
- *
- * This function setups the catalog information in the dsi_ctrl_hw object.
- *
- * return: error code for failure and 0 for success.
- */
-int dsi_catalog_ctrl_setup(struct dsi_ctrl_hw *ctrl,
- enum dsi_ctrl_version version, u32 index,
- bool phy_isolation_enabled)
-{
- int rc = 0;
-
- if (version == DSI_CTRL_VERSION_UNKNOWN ||
- version >= DSI_CTRL_VERSION_MAX) {
- pr_err("Unsupported version: %d\n", version);
- return -ENOTSUPP;
- }
-
- ctrl->index = index;
- set_bit(DSI_CTRL_VIDEO_TPG, ctrl->feature_map);
- set_bit(DSI_CTRL_CMD_TPG, ctrl->feature_map);
- set_bit(DSI_CTRL_VARIABLE_REFRESH_RATE, ctrl->feature_map);
- set_bit(DSI_CTRL_DYNAMIC_REFRESH, ctrl->feature_map);
- set_bit(DSI_CTRL_DESKEW_CALIB, ctrl->feature_map);
- set_bit(DSI_CTRL_DPHY, ctrl->feature_map);
-
- switch (version) {
- case DSI_CTRL_VERSION_1_4:
- dsi_catalog_cmn_init(ctrl, version);
- break;
- case DSI_CTRL_VERSION_2_0:
- case DSI_CTRL_VERSION_2_2:
- ctrl->phy_isolation_enabled = phy_isolation_enabled;
- dsi_catalog_cmn_init(ctrl, version);
- break;
- default:
- return -ENOTSUPP;
- }
-
- return rc;
-}
-
-/**
- * dsi_catalog_phy_2_0_init() - catalog init for DSI PHY 14nm
- */
-static void dsi_catalog_phy_2_0_init(struct dsi_phy_hw *phy)
-{
- phy->ops.regulator_enable = dsi_phy_hw_v2_0_regulator_enable;
- phy->ops.regulator_disable = dsi_phy_hw_v2_0_regulator_disable;
- phy->ops.enable = dsi_phy_hw_v2_0_enable;
- phy->ops.disable = dsi_phy_hw_v2_0_disable;
- phy->ops.calculate_timing_params =
- dsi_phy_hw_calculate_timing_params;
- phy->ops.phy_idle_on = dsi_phy_hw_v2_0_idle_on;
- phy->ops.phy_idle_off = dsi_phy_hw_v2_0_idle_off;
- phy->ops.calculate_timing_params =
- dsi_phy_hw_calculate_timing_params;
- phy->ops.phy_timing_val = dsi_phy_hw_timing_val_v2_0;
-}
-
-/**
- * dsi_catalog_phy_3_0_init() - catalog init for DSI PHY 10nm
- */
-static void dsi_catalog_phy_3_0_init(struct dsi_phy_hw *phy)
-{
- phy->ops.regulator_enable = dsi_phy_hw_v3_0_regulator_enable;
- phy->ops.regulator_disable = dsi_phy_hw_v3_0_regulator_disable;
- phy->ops.enable = dsi_phy_hw_v3_0_enable;
- phy->ops.disable = dsi_phy_hw_v3_0_disable;
- phy->ops.calculate_timing_params =
- dsi_phy_hw_calculate_timing_params;
- phy->ops.ulps_ops.wait_for_lane_idle =
- dsi_phy_hw_v3_0_wait_for_lane_idle;
- phy->ops.ulps_ops.ulps_request =
- dsi_phy_hw_v3_0_ulps_request;
- phy->ops.ulps_ops.ulps_exit =
- dsi_phy_hw_v3_0_ulps_exit;
- phy->ops.ulps_ops.get_lanes_in_ulps =
- dsi_phy_hw_v3_0_get_lanes_in_ulps;
- phy->ops.ulps_ops.is_lanes_in_ulps =
- dsi_phy_hw_v3_0_is_lanes_in_ulps;
- phy->ops.phy_timing_val = dsi_phy_hw_timing_val_v3_0;
-}
-
-/**
- * dsi_catalog_phy_setup() - return catalog info for dsi phy hardware
- * @ctrl: Pointer to DSI PHY hw object.
- * @version: DSI PHY version.
- * @index: DSI PHY instance ID.
- *
- * This function setups the catalog information in the dsi_phy_hw object.
- *
- * return: error code for failure and 0 for success.
- */
-int dsi_catalog_phy_setup(struct dsi_phy_hw *phy,
- enum dsi_phy_version version,
- u32 index)
-{
- int rc = 0;
-
- if (version == DSI_PHY_VERSION_UNKNOWN ||
- version >= DSI_PHY_VERSION_MAX) {
- pr_err("Unsupported version: %d\n", version);
- return -ENOTSUPP;
- }
-
- phy->index = index;
- set_bit(DSI_PHY_DPHY, phy->feature_map);
-
- dsi_phy_timing_calc_init(phy, version);
-
- switch (version) {
- case DSI_PHY_VERSION_2_0:
- dsi_catalog_phy_2_0_init(phy);
- break;
- case DSI_PHY_VERSION_3_0:
- dsi_catalog_phy_3_0_init(phy);
- break;
- case DSI_PHY_VERSION_0_0_HPM:
- case DSI_PHY_VERSION_0_0_LPM:
- case DSI_PHY_VERSION_1_0:
- default:
- return -ENOTSUPP;
- }
-
- return rc;
-}
-
-
deleted file mode 100644
@@ -1,201 +0,0 @@
-/*
- * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _DSI_CATALOG_H_
-#define _DSI_CATALOG_H_
-
-#include "dsi_ctrl_hw.h"
-#include "dsi_phy_hw.h"
-
-/**
- * dsi_catalog_ctrl_setup() - return catalog info for dsi controller
- * @ctrl: Pointer to DSI controller hw object.
- * @version: DSI controller version.
- * @index: DSI controller instance ID.
- * @phy_isolation_enabled: DSI controller works isolated from phy.
- *
- * This function setups the catalog information in the dsi_ctrl_hw object.
- *
- * return: error code for failure and 0 for success.
- */
-int dsi_catalog_ctrl_setup(struct dsi_ctrl_hw *ctrl,
- enum dsi_ctrl_version version, u32 index,
- bool phy_isolation_enabled);
-
-/**
- * dsi_catalog_phy_setup() - return catalog info for dsi phy hardware
- * @phy: Pointer to DSI PHY hw object.
- * @version: DSI PHY version.
- * @index: DSI PHY instance ID.
- *
- * This function setups the catalog information in the dsi_phy_hw object.
- *
- * return: error code for failure and 0 for success.
- */
-int dsi_catalog_phy_setup(struct dsi_phy_hw *phy,
- enum dsi_phy_version version,
- u32 index);
-
-/**
- * dsi_phy_timing_calc_init() - initialize info for DSI PHY timing calculations
- * @phy: Pointer to DSI PHY hw object.
- * @version: DSI PHY version.
- *
- * This function setups the catalog information in the dsi_phy_hw object.
- *
- * return: error code for failure and 0 for success.
- */
-int dsi_phy_timing_calc_init(struct dsi_phy_hw *phy,
- enum dsi_phy_version version);
-
-/**
- * dsi_phy_hw_calculate_timing_params() - DSI PHY timing parameter calculations
- * @phy: Pointer to DSI PHY hw object.
- * @mode: DSI mode information.
- * @host: DSI host configuration.
- * @timing: DSI phy lane configurations.
- *
- * This function setups the catalog information in the dsi_phy_hw object.
- *
- * return: error code for failure and 0 for success.
- */
-int dsi_phy_hw_calculate_timing_params(struct dsi_phy_hw *phy,
- struct dsi_mode_info *mode,
- struct dsi_host_common_cfg *host,
- struct dsi_phy_per_lane_cfgs *timing);
-
-/* Definitions for 14nm PHY hardware driver */
-void dsi_phy_hw_v2_0_regulator_enable(struct dsi_phy_hw *phy,
- struct dsi_phy_per_lane_cfgs *cfg);
-void dsi_phy_hw_v2_0_regulator_disable(struct dsi_phy_hw *phy);
-void dsi_phy_hw_v2_0_enable(struct dsi_phy_hw *phy, struct dsi_phy_cfg *cfg);
-void dsi_phy_hw_v2_0_disable(struct dsi_phy_hw *phy, struct dsi_phy_cfg *cfg);
-void dsi_phy_hw_v2_0_idle_on(struct dsi_phy_hw *phy, struct dsi_phy_cfg *cfg);
-void dsi_phy_hw_v2_0_idle_off(struct dsi_phy_hw *phy);
-int dsi_phy_hw_timing_val_v2_0(struct dsi_phy_per_lane_cfgs *timing_cfg,
- u32 *timing_val, u32 size);
-
-/* Definitions for 10nm PHY hardware driver */
-void dsi_phy_hw_v3_0_regulator_enable(struct dsi_phy_hw *phy,
- struct dsi_phy_per_lane_cfgs *cfg);
-void dsi_phy_hw_v3_0_regulator_disable(struct dsi_phy_hw *phy);
-void dsi_phy_hw_v3_0_enable(struct dsi_phy_hw *phy, struct dsi_phy_cfg *cfg);
-void dsi_phy_hw_v3_0_disable(struct dsi_phy_hw *phy, struct dsi_phy_cfg *cfg);
-int dsi_phy_hw_v3_0_wait_for_lane_idle(struct dsi_phy_hw *phy, u32 lanes);
-void dsi_phy_hw_v3_0_ulps_request(struct dsi_phy_hw *phy,
- struct dsi_phy_cfg *cfg, u32 lanes);
-void dsi_phy_hw_v3_0_ulps_exit(struct dsi_phy_hw *phy,
- struct dsi_phy_cfg *cfg, u32 lanes);
-u32 dsi_phy_hw_v3_0_get_lanes_in_ulps(struct dsi_phy_hw *phy);
-bool dsi_phy_hw_v3_0_is_lanes_in_ulps(u32 lanes, u32 ulps_lanes);
-int dsi_phy_hw_timing_val_v3_0(struct dsi_phy_per_lane_cfgs *timing_cfg,
- u32 *timing_val, u32 size);
-
-/* DSI controller common ops */
-u32 dsi_ctrl_hw_cmn_get_interrupt_status(struct dsi_ctrl_hw *ctrl);
-void dsi_ctrl_hw_cmn_debug_bus(struct dsi_ctrl_hw *ctrl);
-void dsi_ctrl_hw_cmn_clear_interrupt_status(struct dsi_ctrl_hw *ctrl, u32 ints);
-void dsi_ctrl_hw_cmn_enable_status_interrupts(struct dsi_ctrl_hw *ctrl,
- u32 ints);
-
-u64 dsi_ctrl_hw_cmn_get_error_status(struct dsi_ctrl_hw *ctrl);
-void dsi_ctrl_hw_cmn_clear_error_status(struct dsi_ctrl_hw *ctrl, u64 errors);
-void dsi_ctrl_hw_cmn_enable_error_interrupts(struct dsi_ctrl_hw *ctrl,
- u64 errors);
-
-void dsi_ctrl_hw_cmn_video_test_pattern_setup(struct dsi_ctrl_hw *ctrl,
- enum dsi_test_pattern type,
- u32 init_val);
-void dsi_ctrl_hw_cmn_cmd_test_pattern_setup(struct dsi_ctrl_hw *ctrl,
- enum dsi_test_pattern type,
- u32 init_val,
- u32 stream_id);
-void dsi_ctrl_hw_cmn_test_pattern_enable(struct dsi_ctrl_hw *ctrl, bool enable);
-void dsi_ctrl_hw_cmn_trigger_cmd_test_pattern(struct dsi_ctrl_hw *ctrl,
- u32 stream_id);
-
-void dsi_ctrl_hw_cmn_host_setup(struct dsi_ctrl_hw *ctrl,
- struct dsi_host_common_cfg *config);
-void dsi_ctrl_hw_cmn_video_engine_en(struct dsi_ctrl_hw *ctrl, bool on);
-void dsi_ctrl_hw_cmn_video_engine_setup(struct dsi_ctrl_hw *ctrl,
- struct dsi_host_common_cfg *common_cfg,
- struct dsi_video_engine_cfg *cfg);
-void dsi_ctrl_hw_cmn_set_video_timing(struct dsi_ctrl_hw *ctrl,
- struct dsi_mode_info *mode);
-void dsi_ctrl_hw_cmn_set_timing_db(struct dsi_ctrl_hw *ctrl,
- bool enable);
-void dsi_ctrl_hw_cmn_cmd_engine_setup(struct dsi_ctrl_hw *ctrl,
- struct dsi_host_common_cfg *common_cfg,
- struct dsi_cmd_engine_cfg *cfg);
-
-void dsi_ctrl_hw_cmn_ctrl_en(struct dsi_ctrl_hw *ctrl, bool on);
-void dsi_ctrl_hw_cmn_cmd_engine_en(struct dsi_ctrl_hw *ctrl, bool on);
-
-void dsi_ctrl_hw_cmn_setup_cmd_stream(struct dsi_ctrl_hw *ctrl,
- struct dsi_mode_info *mode,
- u32 h_stride,
- u32 vc_id,
- struct dsi_rect *roi);
-void dsi_ctrl_hw_cmn_phy_sw_reset(struct dsi_ctrl_hw *ctrl);
-void dsi_ctrl_hw_cmn_soft_reset(struct dsi_ctrl_hw *ctrl);
-
-void dsi_ctrl_hw_cmn_setup_misr(struct dsi_ctrl_hw *ctrl,
- enum dsi_op_mode panel_mode,
- bool enable, u32 frame_count);
-u32 dsi_ctrl_hw_cmn_collect_misr(struct dsi_ctrl_hw *ctrl,
- enum dsi_op_mode panel_mode);
-
-void dsi_ctrl_hw_cmn_kickoff_command(struct dsi_ctrl_hw *ctrl,
- struct dsi_ctrl_cmd_dma_info *cmd,
- u32 flags);
-
-void dsi_ctrl_hw_cmn_kickoff_fifo_command(struct dsi_ctrl_hw *ctrl,
- struct dsi_ctrl_cmd_dma_fifo_info *cmd,
- u32 flags);
-void dsi_ctrl_hw_cmn_reset_cmd_fifo(struct dsi_ctrl_hw *ctrl);
-void dsi_ctrl_hw_cmn_trigger_command_dma(struct dsi_ctrl_hw *ctrl);
-void dsi_ctrl_hw_dln0_phy_err(struct dsi_ctrl_hw *ctrl);
-void dsi_ctrl_hw_cmn_phy_reset_config(struct dsi_ctrl_hw *ctrl,
- bool enable);
-void dsi_ctrl_hw_22_phy_reset_config(struct dsi_ctrl_hw *ctrl,
- bool enable);
-
-/* Definitions specific to 1.4 DSI controller hardware */
-int dsi_ctrl_hw_14_wait_for_lane_idle(struct dsi_ctrl_hw *ctrl, u32 lanes);
-void dsi_ctrl_hw_14_setup_lane_map(struct dsi_ctrl_hw *ctrl,
- struct dsi_lane_map *lane_map);
-void dsi_ctrl_hw_14_ulps_request(struct dsi_ctrl_hw *ctrl, u32 lanes);
-void dsi_ctrl_hw_14_ulps_exit(struct dsi_ctrl_hw *ctrl, u32 lanes);
-u32 dsi_ctrl_hw_14_get_lanes_in_ulps(struct dsi_ctrl_hw *ctrl);
-
-void dsi_ctrl_hw_14_clamp_enable(struct dsi_ctrl_hw *ctrl,
- u32 lanes,
- bool enable_ulps);
-
-void dsi_ctrl_hw_14_clamp_disable(struct dsi_ctrl_hw *ctrl,
- u32 lanes,
- bool disable_ulps);
-ssize_t dsi_ctrl_hw_14_reg_dump_to_buffer(struct dsi_ctrl_hw *ctrl,
- char *buf,
- u32 size);
-
-/* Definitions specific to 2.0 DSI controller hardware */
-void dsi_ctrl_hw_20_setup_lane_map(struct dsi_ctrl_hw *ctrl,
- struct dsi_lane_map *lane_map);
-int dsi_ctrl_hw_20_wait_for_lane_idle(struct dsi_ctrl_hw *ctrl, u32 lanes);
-ssize_t dsi_ctrl_hw_20_reg_dump_to_buffer(struct dsi_ctrl_hw *ctrl,
- char *buf,
- u32 size);
-
-#endif /* _DSI_CATALOG_H_ */
deleted file mode 100644
@@ -1,276 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _DSI_CLK_H_
-#define _DSI_CLK_H_
-
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/types.h>
-#include <linux/clk.h>
-#include "dpu_power_handle.h"
-
-#define MAX_STRING_LEN 32
-#define MAX_DSI_CTRL 2
-
-enum dsi_clk_state {
- DSI_CLK_OFF,
- DSI_CLK_ON,
- DSI_CLK_EARLY_GATE,
-};
-
-enum clk_req_client {
- DSI_CLK_REQ_MDP_CLIENT = 0,
- DSI_CLK_REQ_DSI_CLIENT,
-};
-
-enum dsi_link_clk_type {
- DSI_LINK_ESC_CLK,
- DSI_LINK_BYTE_CLK,
- DSI_LINK_PIX_CLK,
- DSI_LINK_BYTE_INTF_CLK,
- DSI_LINK_CLK_MAX,
-};
-
-enum dsi_clk_type {
- DSI_CORE_CLK = BIT(0),
- DSI_LINK_CLK = BIT(1),
- DSI_ALL_CLKS = (BIT(0) | BIT(1)),
- DSI_CLKS_MAX = BIT(2),
-};
-
-struct dsi_clk_ctrl_info {
- enum dsi_clk_type clk_type;
- enum dsi_clk_state clk_state;
- enum clk_req_client client;
-};
-
-struct clk_ctrl_cb {
- void *priv;
- int (*dsi_clk_cb)(void *priv, struct dsi_clk_ctrl_info clk_ctrl_info);
-};
-
-/**
- * struct dsi_core_clk_info - Core clock information for DSI hardware
- * @mdp_core_clk: Handle to MDP core clock.
- * @iface_clk: Handle to MDP interface clock.
- * @core_mmss_clk: Handle to MMSS core clock.
- * @bus_clk: Handle to bus clock.
- * @mnoc_clk: Handle to MMSS NOC clock.
- * @dsi_core_client: Pointer to DPU power client
- * @phandle: Pointer to DPU power handle
- */
-struct dsi_core_clk_info {
- struct clk *mdp_core_clk;
- struct clk *iface_clk;
- struct clk *core_mmss_clk;
- struct clk *bus_clk;
- struct clk *mnoc_clk;
- struct dpu_power_client *dsi_core_client;
- struct dpu_power_handle *phandle;
-};
-
-/**
- * struct dsi_link_clk_info - Link clock information for DSI hardware.
- * @byte_clk: Handle to DSI byte clock.
- * @pixel_clk: Handle to DSI pixel clock.
- * @esc_clk: Handle to DSI escape clock.
- * @byte_intf_clk: Handle to DSI byte intf. clock.
- */
-struct dsi_link_clk_info {
- struct clk *byte_clk;
- struct clk *pixel_clk;
- struct clk *esc_clk;
- struct clk *byte_intf_clk;
-};
-
-/**
- * struct link_clk_freq - Clock frequency information for Link clocks
- * @byte_clk_rate: Frequency of DSI byte clock in KHz.
- * @pixel_clk_rate: Frequency of DSI pixel clock in KHz.
- * @esc_clk_rate: Frequency of DSI escape clock in KHz.
- */
-struct link_clk_freq {
- u32 byte_clk_rate;
- u32 pix_clk_rate;
- u32 esc_clk_rate;
-};
-
-/**
- * typedef *pre_clockoff_cb() - Callback before clock is turned off
- * @priv: private data pointer.
- * @clk_type: clock which is being turned off.
- * @new_state: next state for the clock.
- *
- * @return: error code.
- */
-typedef int (*pre_clockoff_cb)(void *priv,
- enum dsi_clk_type clk_type,
- enum dsi_clk_state new_state);
-
-/**
- * typedef *post_clockoff_cb() - Callback after clock is turned off
- * @priv: private data pointer.
- * @clk_type: clock which was turned off.
- * @curr_state: current state for the clock.
- *
- * @return: error code.
- */
-typedef int (*post_clockoff_cb)(void *priv,
- enum dsi_clk_type clk_type,
- enum dsi_clk_state curr_state);
-
-/**
- * typedef *post_clockon_cb() - Callback after clock is turned on
- * @priv: private data pointer.
- * @clk_type: clock which was turned on.
- * @curr_state: current state for the clock.
- *
- * @return: error code.
- */
-typedef int (*post_clockon_cb)(void *priv,
- enum dsi_clk_type clk_type,
- enum dsi_clk_state curr_state);
-
-/**
- * typedef *pre_clockon_cb() - Callback before clock is turned on
- * @priv: private data pointer.
- * @clk_type: clock which is being turned on.
- * @new_state: next state for the clock.
- *
- * @return: error code.
- */
-typedef int (*pre_clockon_cb)(void *priv,
- enum dsi_clk_type clk_type,
- enum dsi_clk_state new_state);
-
-
-/**
- * struct dsi_clk_info - clock information for DSI hardware.
- * @name: client name.
- * @c_clks[MAX_DSI_CTRL] array of core clock configurations
- * @l_clks[MAX_DSI_CTRL] array of link clock configurations
- * @bus_handle[MAX_DSI_CTRL] array of bus handles
- * @ctrl_index[MAX_DSI_CTRL] array of DSI controller indexes mapped
- * to core and link clock configurations
- * @pre_clkoff_cb callback before clock is turned off
- * @post_clkoff_cb callback after clock is turned off
- * @post_clkon_cb callback after clock is turned on
- * @pre_clkon_cb callback before clock is turned on
- * @priv_data pointer to private data
- * @master_ndx master DSI controller index
- * @dsi_ctrl_count number of DSI controllers
- */
-struct dsi_clk_info {
- char name[MAX_STRING_LEN];
- struct dsi_core_clk_info c_clks[MAX_DSI_CTRL];
- struct dsi_link_clk_info l_clks[MAX_DSI_CTRL];
- u32 bus_handle[MAX_DSI_CTRL];
- u32 ctrl_index[MAX_DSI_CTRL];
- pre_clockoff_cb pre_clkoff_cb;
- post_clockoff_cb post_clkoff_cb;
- post_clockon_cb post_clkon_cb;
- pre_clockon_cb pre_clkon_cb;
- void *priv_data;
- u32 master_ndx;
- u32 dsi_ctrl_count;
-};
-
-/**
- * struct dsi_clk_link_set - Pair of clock handles to describe link clocks
- * @byte_clk: Handle to DSi byte clock.
- * @pixel_clk: Handle to DSI pixel clock.
- */
-struct dsi_clk_link_set {
- struct clk *byte_clk;
- struct clk *pixel_clk;
-};
-
-/**
- * dsi_display_clk_mgr_register() - Register DSI clock manager
- * @info: Structure containing DSI clock information
- */
-void *dsi_display_clk_mngr_register(struct dsi_clk_info *info);
-
-/**
- * dsi_display_clk_mngr_deregister() - Deregister DSI clock manager
- * @clk_mngr: DSI clock manager pointer
- */
-int dsi_display_clk_mngr_deregister(void *clk_mngr);
-
-/**
- * dsi_register_clk_handle() - Register clock handle with DSI clock manager
- * @clk_mngr: DSI clock manager pointer
- * @client: DSI clock client pointer.
- */
-void *dsi_register_clk_handle(void *clk_mngr, char *client);
-
-/**
- * dsi_deregister_clk_handle() - Deregister clock handle from DSI clock manager
- * @client: DSI clock client pointer.
- *
- * return: error code in case of failure or 0 for success.
- */
-int dsi_deregister_clk_handle(void *client);
-
-/**
- * dsi_display_clk_ctrl() - set frequencies for link clks
- * @handle: Handle of desired DSI clock client.
- * @clk_type: Clock which is being controlled.
- * @clk_state: Desired state of clock
- *
- * return: error code in case of failure or 0 for success.
- */
-int dsi_display_clk_ctrl(void *handle,
- enum dsi_clk_type clk_type, enum dsi_clk_state clk_state);
-
-/**
- * dsi_clk_set_link_frequencies() - set frequencies for link clks
- * @client: DSI clock client pointer.
- * @freq: Structure containing link clock frequencies.
- * @index: Index of the DSI controller.
- *
- * return: error code in case of failure or 0 for success.
- */
-int dsi_clk_set_link_frequencies(void *client, struct link_clk_freq freq,
- u32 index);
-
-
-/**
- * dsi_clk_set_pixel_clk_rate() - set frequency for pixel clock
- * @client: DSI clock client pointer.
- * @pixel_clk: Pixel clock rate in Hz.
- * @index: Index of the DSI controller.
- * return: error code in case of failure or 0 for success.
- */
-int dsi_clk_set_pixel_clk_rate(void *client, u64 pixel_clk, u32 index);
-
-
-/**
- * dsi_clk_set_byte_clk_rate() - set frequency for byte clock
- * @client: DSI clock client pointer.
- * @byte_clk: Pixel clock rate in Hz.
- * @index: Index of the DSI controller.
- * return: error code in case of failure or 0 for success.
- */
-int dsi_clk_set_byte_clk_rate(void *client, u64 byte_clk, u32 index);
-
-/**
- * dsi_clk_update_parent() - update parent clocks for specified clock
- * @parent: link clock pair which are set as parent.
- * @child: link clock pair whose parent has to be set.
- */
-int dsi_clk_update_parent(struct dsi_clk_link_set *parent,
- struct dsi_clk_link_set *child);
-#endif /* _DSI_CLK_H_ */
deleted file mode 100644
@@ -1,1235 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/of.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include "dsi_clk.h"
-
-#ifdef CONFIG_QCOM_BUS_SCALING
-#include <linux/msm-bus.h>
-#endif
-
-struct dsi_core_clks {
- struct dsi_core_clk_info clks;
- u32 bus_handle;
-};
-
-struct dsi_link_clks {
- struct dsi_link_clk_info clks;
- struct link_clk_freq freq;
-};
-
-struct dsi_clk_mngr {
- char name[MAX_STRING_LEN];
- struct mutex clk_mutex;
- struct list_head client_list;
-
- u32 dsi_ctrl_count;
- u32 master_ndx;
- struct dsi_core_clks core_clks[MAX_DSI_CTRL];
- struct dsi_link_clks link_clks[MAX_DSI_CTRL];
- u32 ctrl_index[MAX_DSI_CTRL];
- u32 core_clk_state;
- u32 link_clk_state;
-
- pre_clockoff_cb pre_clkoff_cb;
- post_clockoff_cb post_clkoff_cb;
- post_clockon_cb post_clkon_cb;
- pre_clockon_cb pre_clkon_cb;
-
- void *priv_data;
-};
-
-struct dsi_clk_client_info {
- char name[MAX_STRING_LEN];
- u32 core_refcount;
- u32 link_refcount;
- u32 core_clk_state;
- u32 link_clk_state;
- struct list_head list;
- struct dsi_clk_mngr *mngr;
-};
-
-static int _get_clk_mngr_index(struct dsi_clk_mngr *mngr,
- u32 dsi_ctrl_index,
- u32 *clk_mngr_index)
-{
- int i;
-
- for (i = 0; i < mngr->dsi_ctrl_count; i++) {
- if (mngr->ctrl_index[i] == dsi_ctrl_index) {
- *clk_mngr_index = i;
- return 0;
- }
- }
-
- return -EINVAL;
-}
-
-/**
- * dsi_clk_set_link_frequencies() - set frequencies for link clks
- * @clks: Link clock information
- * @pixel_clk: pixel clock frequency in KHz.
- * @byte_clk: Byte clock frequency in KHz.
- * @esc_clk: Escape clock frequency in KHz.
- *
- * return: error code in case of failure or 0 for success.
- */
-int dsi_clk_set_link_frequencies(void *client, struct link_clk_freq freq,
- u32 index)
-{
- int rc = 0, clk_mngr_index = 0;
- struct dsi_clk_client_info *c = client;
- struct dsi_clk_mngr *mngr;
-
- if (!client) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mngr = c->mngr;
- rc = _get_clk_mngr_index(mngr, index, &clk_mngr_index);
- if (rc) {
- pr_err("failed to map control index %d\n", index);
- return -EINVAL;
- }
-
- memcpy(&mngr->link_clks[clk_mngr_index].freq, &freq,
- sizeof(struct link_clk_freq));
-
- return rc;
-}
-
-/**
- * dsi_clk_set_pixel_clk_rate() - set frequency for pixel clock
- * @clks: DSI link clock information.
- * @pixel_clk: Pixel clock rate in KHz.
- *
- * return: error code in case of failure or 0 for success.
- */
-int dsi_clk_set_pixel_clk_rate(void *client, u64 pixel_clk, u32 index)
-{
- int rc = 0;
- struct dsi_clk_client_info *c = client;
- struct dsi_clk_mngr *mngr;
-
- mngr = c->mngr;
- rc = clk_set_rate(mngr->link_clks[index].clks.pixel_clk, pixel_clk);
- if (rc)
- pr_err("failed to set clk rate for pixel clk, rc=%d\n", rc);
- else
- mngr->link_clks[index].freq.pix_clk_rate = pixel_clk;
-
- return rc;
-}
-
-/**
- * dsi_clk_set_byte_clk_rate() - set frequency for byte clock
- * @client: DSI clock client pointer.
- * @byte_clk: Pixel clock rate in Hz.
- * @index: Index of the DSI controller.
- * return: error code in case of failure or 0 for success.
- */
-int dsi_clk_set_byte_clk_rate(void *client, u64 byte_clk, u32 index)
-{
- int rc = 0;
- struct dsi_clk_client_info *c = client;
- struct dsi_clk_mngr *mngr;
-
- mngr = c->mngr;
- rc = clk_set_rate(mngr->link_clks[index].clks.byte_clk, byte_clk);
- if (rc)
- pr_err("failed to set clk rate for byte clk, rc=%d\n", rc);
- else
- mngr->link_clks[index].freq.byte_clk_rate = byte_clk;
-
- return rc;
-
-}
-
-/**
- * dsi_clk_update_parent() - update parent clocks for specified clock
- * @parent: link clock pair which are set as parent.
- * @child: link clock pair whose parent has to be set.
- */
-int dsi_clk_update_parent(struct dsi_clk_link_set *parent,
- struct dsi_clk_link_set *child)
-{
- int rc = 0;
-
- rc = clk_set_parent(child->byte_clk, parent->byte_clk);
- if (rc) {
- pr_err("failed to set byte clk parent\n");
- goto error;
- }
-
- rc = clk_set_parent(child->pixel_clk, parent->pixel_clk);
- if (rc) {
- pr_err("failed to set pixel clk parent\n");
- goto error;
- }
-error:
- return rc;
-}
-
-int dsi_core_clk_start(struct dsi_core_clks *c_clks)
-{
- int rc = 0;
-
- if (c_clks->clks.mdp_core_clk) {
- rc = clk_prepare_enable(c_clks->clks.mdp_core_clk);
- if (rc) {
- pr_err("failed to enable mdp_core_clk, rc=%d\n", rc);
- goto error;
- }
- }
-
- if (c_clks->clks.mnoc_clk) {
- rc = clk_prepare_enable(c_clks->clks.mnoc_clk);
- if (rc) {
- pr_err("failed to enable mnoc_clk, rc=%d\n", rc);
- goto error_disable_core_clk;
- }
- }
-
- if (c_clks->clks.iface_clk) {
- rc = clk_prepare_enable(c_clks->clks.iface_clk);
- if (rc) {
- pr_err("failed to enable iface_clk, rc=%d\n", rc);
- goto error_disable_mnoc_clk;
- }
- }
-
- if (c_clks->clks.bus_clk) {
- rc = clk_prepare_enable(c_clks->clks.bus_clk);
- if (rc) {
- pr_err("failed to enable bus_clk, rc=%d\n", rc);
- goto error_disable_iface_clk;
- }
- }
-
- if (c_clks->clks.core_mmss_clk) {
- rc = clk_prepare_enable(c_clks->clks.core_mmss_clk);
- if (rc) {
- pr_err("failed to enable core_mmss_clk, rc=%d\n", rc);
- goto error_disable_bus_clk;
- }
- }
-
-#ifdef CONFIG_QCOM_BUS_SCALING
- if (c_clks->bus_handle) {
- rc = msm_bus_scale_client_update_request(c_clks->bus_handle, 1);
- if (rc) {
- pr_err("bus scale client enable failed, rc=%d\n", rc);
- goto error_disable_mmss_clk;
- }
- }
-#endif
- return rc;
-
-#ifdef CONFIG_QCOM_BUS_SCALING
-error_disable_mmss_clk:
- if (c_clks->clks.core_mmss_clk)
- clk_disable_unprepare(c_clks->clks.core_mmss_clk);
-#endif
-
-error_disable_bus_clk:
- if (c_clks->clks.bus_clk)
- clk_disable_unprepare(c_clks->clks.bus_clk);
-error_disable_iface_clk:
- if (c_clks->clks.iface_clk)
- clk_disable_unprepare(c_clks->clks.iface_clk);
-error_disable_mnoc_clk:
- if (c_clks->clks.mnoc_clk)
- clk_disable_unprepare(c_clks->clks.mnoc_clk);
-error_disable_core_clk:
- if (c_clks->clks.mdp_core_clk)
- clk_disable_unprepare(c_clks->clks.mdp_core_clk);
-error:
- return rc;
-}
-
-int dsi_core_clk_stop(struct dsi_core_clks *c_clks)
-{
- int rc = 0;
-
-#ifdef CONFIG_QCOM_BUS_SCALING
- if (c_clks->bus_handle) {
- rc = msm_bus_scale_client_update_request(c_clks->bus_handle, 0);
- if (rc) {
- pr_err("bus scale client disable failed, rc=%d\n", rc);
- return rc;
- }
- }
-#endif
-
- if (c_clks->clks.core_mmss_clk)
- clk_disable_unprepare(c_clks->clks.core_mmss_clk);
-
- if (c_clks->clks.bus_clk)
- clk_disable_unprepare(c_clks->clks.bus_clk);
-
- if (c_clks->clks.iface_clk)
- clk_disable_unprepare(c_clks->clks.iface_clk);
-
- if (c_clks->clks.mnoc_clk)
- clk_disable_unprepare(c_clks->clks.mnoc_clk);
-
- if (c_clks->clks.mdp_core_clk)
- clk_disable_unprepare(c_clks->clks.mdp_core_clk);
-
- return rc;
-}
-
-static int dsi_link_clk_set_rate(struct dsi_link_clks *l_clks)
-{
- int rc = 0;
-
- rc = clk_set_rate(l_clks->clks.esc_clk, l_clks->freq.esc_clk_rate);
- if (rc) {
- pr_err("clk_set_rate failed for esc_clk rc = %d\n", rc);
- goto error;
- }
-
- rc = clk_set_rate(l_clks->clks.byte_clk, l_clks->freq.byte_clk_rate);
- if (rc) {
- pr_err("clk_set_rate failed for byte_clk rc = %d\n", rc);
- goto error;
- }
-
- rc = clk_set_rate(l_clks->clks.pixel_clk, l_clks->freq.pix_clk_rate);
- if (rc) {
- pr_err("clk_set_rate failed for pixel_clk rc = %d\n", rc);
- goto error;
- }
-
- /*
- * If byte_intf_clk is present, set rate for that too.
- * For DPHY: byte_intf_clk_rate = byte_clk_rate / 2
- * todo: this needs to be revisited when support for CPHY is added
- */
- if (l_clks->clks.byte_intf_clk) {
- rc = clk_set_rate(l_clks->clks.byte_intf_clk,
- (l_clks->freq.byte_clk_rate / 2));
- if (rc) {
- pr_err("set_rate failed for byte_intf_clk rc = %d\n",
- rc);
- goto error;
- }
- }
-error:
- return rc;
-}
-
-static int dsi_link_clk_prepare(struct dsi_link_clks *l_clks)
-{
- int rc = 0;
-
- rc = clk_prepare(l_clks->clks.esc_clk);
- if (rc) {
- pr_err("Failed to prepare dsi esc clk, rc=%d\n", rc);
- goto esc_clk_err;
- }
-
- rc = clk_prepare(l_clks->clks.byte_clk);
- if (rc) {
- pr_err("Failed to prepare dsi byte clk, rc=%d\n", rc);
- goto byte_clk_err;
- }
-
- rc = clk_prepare(l_clks->clks.pixel_clk);
- if (rc) {
- pr_err("Failed to prepare dsi pixel clk, rc=%d\n", rc);
- goto pixel_clk_err;
- }
-
- if (l_clks->clks.byte_intf_clk) {
- rc = clk_prepare(l_clks->clks.byte_intf_clk);
- if (rc) {
- pr_err("Failed to prepare dsi byte intf clk, rc=%d\n",
- rc);
- goto byte_intf_clk_err;
- }
- }
-
- return rc;
-
-byte_intf_clk_err:
- clk_unprepare(l_clks->clks.pixel_clk);
-pixel_clk_err:
- clk_unprepare(l_clks->clks.byte_clk);
-byte_clk_err:
- clk_unprepare(l_clks->clks.esc_clk);
-esc_clk_err:
- return rc;
-}
-
-static void dsi_link_clk_unprepare(struct dsi_link_clks *l_clks)
-{
- if (l_clks->clks.byte_intf_clk)
- clk_unprepare(l_clks->clks.byte_intf_clk);
- clk_unprepare(l_clks->clks.pixel_clk);
- clk_unprepare(l_clks->clks.byte_clk);
- clk_unprepare(l_clks->clks.esc_clk);
-}
-
-static int dsi_link_clk_enable(struct dsi_link_clks *l_clks)
-{
- int rc = 0;
-
- rc = clk_enable(l_clks->clks.esc_clk);
- if (rc) {
- pr_err("Failed to enable dsi esc clk, rc=%d\n", rc);
- goto esc_clk_err;
- }
-
- rc = clk_enable(l_clks->clks.byte_clk);
- if (rc) {
- pr_err("Failed to enable dsi byte clk, rc=%d\n", rc);
- goto byte_clk_err;
- }
-
- rc = clk_enable(l_clks->clks.pixel_clk);
- if (rc) {
- pr_err("Failed to enable dsi pixel clk, rc=%d\n", rc);
- goto pixel_clk_err;
- }
-
- if (l_clks->clks.byte_intf_clk) {
- rc = clk_enable(l_clks->clks.byte_intf_clk);
- if (rc) {
- pr_err("Failed to enable dsi byte intf clk, rc=%d\n",
- rc);
- goto byte_intf_clk_err;
- }
- }
-
- return rc;
-
-byte_intf_clk_err:
- clk_disable(l_clks->clks.pixel_clk);
-pixel_clk_err:
- clk_disable(l_clks->clks.byte_clk);
-byte_clk_err:
- clk_disable(l_clks->clks.esc_clk);
-esc_clk_err:
- return rc;
-}
-
-static void dsi_link_clk_disable(struct dsi_link_clks *l_clks)
-{
- if (l_clks->clks.byte_intf_clk)
- clk_disable(l_clks->clks.byte_intf_clk);
- clk_disable(l_clks->clks.esc_clk);
- clk_disable(l_clks->clks.pixel_clk);
- clk_disable(l_clks->clks.byte_clk);
-}
-
-/**
- * dsi_link_clk_start() - enable dsi link clocks
- */
-int dsi_link_clk_start(struct dsi_link_clks *clks)
-{
- int rc = 0;
-
- rc = dsi_link_clk_set_rate(clks);
- if (rc) {
- pr_err("failed to set clk rates, rc = %d\n", rc);
- goto error;
- }
-
- rc = dsi_link_clk_prepare(clks);
- if (rc) {
- pr_err("failed to prepare link clks, rc = %d\n", rc);
- goto error;
- }
-
- rc = dsi_link_clk_enable(clks);
- if (rc) {
- pr_err("failed to enable link clks, rc = %d\n", rc);
- goto error_unprepare;
- }
-
- pr_debug("Link clocks are enabled\n");
- return rc;
-error_unprepare:
- dsi_link_clk_unprepare(clks);
-error:
- return rc;
-}
-
-/**
- * dsi_link_clk_stop() - Stop DSI link clocks.
- */
-int dsi_link_clk_stop(struct dsi_link_clks *clks)
-{
- dsi_link_clk_disable(clks);
- dsi_link_clk_unprepare(clks);
-
- pr_debug("Link clocks disabled\n");
-
- return 0;
-}
-
-static int dsi_display_core_clk_enable(struct dsi_core_clks *clks,
- u32 ctrl_count, u32 master_ndx)
-{
- int rc = 0;
- int i;
- struct dsi_core_clks *clk, *m_clks;
-
- /*
- * In case of split DSI usecases, the clock for master controller should
- * be enabled before the other controller. Master controller in the
- * clock context refers to the controller that sources the clock.
- */
-
- m_clks = &clks[master_ndx];
- rc = dpu_power_resource_enable(m_clks->clks.phandle,
- m_clks->clks.dsi_core_client, true);
-
- if (rc) {
- pr_err("Power resource enable failed, rc=%d\n", rc);
- goto error;
- }
-
- rc = dsi_core_clk_start(m_clks);
- if (rc) {
- pr_err("failed to turn on master clocks, rc=%d\n", rc);
- goto error_disable_master_resource;
- }
-
- /* Turn on rest of the core clocks */
- for (i = 0; i < ctrl_count; i++) {
- clk = &clks[i];
- if (!clk || (clk == m_clks))
- continue;
-
- rc = dpu_power_resource_enable(clk->clks.phandle,
- clk->clks.dsi_core_client, true);
- if (rc) {
- pr_err("Power resource enable failed, rc=%d\n", rc);
- goto error_disable_master;
- }
-
- rc = dsi_core_clk_start(clk);
- if (rc) {
- pr_err("failed to turn on clocks, rc=%d\n", rc);
- (void)dpu_power_resource_enable(clk->clks.phandle,
- clk->clks.dsi_core_client, false);
- goto error_disable_master;
- }
- }
- return rc;
-error_disable_master:
- (void)dsi_core_clk_stop(m_clks);
-
-error_disable_master_resource:
- (void)dpu_power_resource_enable(m_clks->clks.phandle,
- m_clks->clks.dsi_core_client, false);
-error:
- return rc;
-}
-
-static int dsi_display_link_clk_enable(struct dsi_link_clks *clks,
- u32 ctrl_count, u32 master_ndx)
-{
- int rc = 0;
- int i;
- struct dsi_link_clks *clk, *m_clks;
-
- /*
- * In case of split DSI usecases, the clock for master controller should
- * be enabled before the other controller. Master controller in the
- * clock context refers to the controller that sources the clock.
- */
-
- m_clks = &clks[master_ndx];
-
- rc = dsi_link_clk_start(m_clks);
- if (rc) {
- pr_err("failed to turn on master clocks, rc=%d\n", rc);
- goto error;
- }
-
- /* Turn on rest of the core clocks */
- for (i = 0; i < ctrl_count; i++) {
- clk = &clks[i];
- if (!clk || (clk == m_clks))
- continue;
-
- rc = dsi_link_clk_start(clk);
- if (rc) {
- pr_err("failed to turn on clocks, rc=%d\n", rc);
- goto error_disable_master;
- }
- }
- return rc;
-error_disable_master:
- (void)dsi_link_clk_stop(m_clks);
-error:
- return rc;
-}
-
-static int dsi_display_core_clk_disable(struct dsi_core_clks *clks,
- u32 ctrl_count, u32 master_ndx)
-{
- int rc = 0;
- int i;
- struct dsi_core_clks *clk, *m_clks;
-
- /*
- * In case of split DSI usecases, clock for slave DSI controllers should
- * be disabled first before disabling clock for master controller. Slave
- * controllers in the clock context refer to controller which source
- * clock from another controller.
- */
-
- m_clks = &clks[master_ndx];
-
- /* Turn off non-master core clocks */
- for (i = 0; i < ctrl_count; i++) {
- clk = &clks[i];
- if (!clk || (clk == m_clks))
- continue;
-
- rc = dsi_core_clk_stop(clk);
- if (rc) {
- pr_debug("failed to turn off clocks, rc=%d\n", rc);
- goto error;
- }
-
- rc = dpu_power_resource_enable(clk->clks.phandle,
- clk->clks.dsi_core_client, false);
- if (rc) {
- pr_err("Power resource disable failed: %d\n", rc);
- goto error;
- }
- }
-
- rc = dsi_core_clk_stop(m_clks);
- if (rc) {
- pr_err("failed to turn off master clocks, rc=%d\n", rc);
- goto error;
- }
-
- rc = dpu_power_resource_enable(m_clks->clks.phandle,
- m_clks->clks.dsi_core_client, false);
- if (rc)
- pr_err("Power resource disable failed: %d\n", rc);
-error:
- return rc;
-}
-
-static int dsi_display_link_clk_disable(struct dsi_link_clks *clks,
- u32 ctrl_count, u32 master_ndx)
-{
- int rc = 0;
- int i;
- struct dsi_link_clks *clk, *m_clks;
-
- /*
- * In case of split DSI usecases, clock for slave DSI controllers should
- * be disabled first before disabling clock for master controller. Slave
- * controllers in the clock context refer to controller which source
- * clock from another controller.
- */
-
- m_clks = &clks[master_ndx];
-
- /* Turn off non-master link clocks */
- for (i = 0; i < ctrl_count; i++) {
- clk = &clks[i];
- if (!clk || (clk == m_clks))
- continue;
-
- rc = dsi_link_clk_stop(clk);
- if (rc)
- pr_err("failed to turn off clocks, rc=%d\n", rc);
- }
-
- rc = dsi_link_clk_stop(m_clks);
- if (rc)
- pr_err("failed to turn off master clocks, rc=%d\n", rc);
-
- return rc;
-}
-
-static int dsi_update_clk_state(struct dsi_core_clks *c_clks, u32 c_state,
- struct dsi_link_clks *l_clks, u32 l_state)
-{
- int rc = 0;
- struct dsi_clk_mngr *mngr;
- bool l_c_on = false;
-
- if (c_clks) {
- mngr =
- container_of(c_clks, struct dsi_clk_mngr, core_clks[0]);
- } else if (l_clks) {
- mngr =
- container_of(l_clks, struct dsi_clk_mngr, link_clks[0]);
- } else {
- mngr = NULL;
- }
-
- if (!mngr)
- return -EINVAL;
-
- pr_debug("c_state = %d, l_state = %d\n",
- c_clks ? c_state : -1, l_clks ? l_state : -1);
- /*
- * Below is the sequence to toggle DSI clocks:
- * 1. For ON sequence, Core clocks before link clocks
- * 2. For OFF sequence, Link clocks before core clocks.
- */
- if (c_clks && (c_state == DSI_CLK_ON)) {
- if (mngr->core_clk_state == DSI_CLK_OFF) {
- rc = mngr->pre_clkon_cb(mngr->priv_data,
- DSI_CORE_CLK,
- DSI_CLK_ON);
- if (rc) {
- pr_err("failed to turn on MDP FS rc= %d\n", rc);
- goto error;
- }
- }
- rc = dsi_display_core_clk_enable(c_clks, mngr->dsi_ctrl_count,
- mngr->master_ndx);
- if (rc) {
- pr_err("failed to turn on core clks rc = %d\n", rc);
- goto error;
- }
-
- if (mngr->post_clkon_cb) {
- rc = mngr->post_clkon_cb(mngr->priv_data,
- DSI_CORE_CLK,
- DSI_CLK_ON);
- if (rc)
- pr_err("post clk on cb failed, rc = %d\n", rc);
- }
- mngr->core_clk_state = DSI_CLK_ON;
- }
-
- if (l_clks) {
- if (l_state == DSI_CLK_ON) {
- if (mngr->pre_clkon_cb) {
- rc = mngr->pre_clkon_cb(mngr->priv_data,
- DSI_LINK_CLK, l_state);
- if (rc)
- pr_err("pre link clk on cb failed\n");
- }
- rc = dsi_display_link_clk_enable(l_clks,
- mngr->dsi_ctrl_count, mngr->master_ndx);
- if (rc) {
- pr_err("failed to start link clk rc= %d\n", rc);
- goto error;
- }
- if (mngr->post_clkon_cb) {
- rc = mngr->post_clkon_cb(mngr->priv_data,
- DSI_LINK_CLK,
- l_state);
- if (rc)
- pr_err("post link clk on cb failed\n");
- }
- } else {
- /*
- * Two conditions that need to be checked for Link
- * clocks:
- * 1. Link clocks need core clocks to be on when
- * transitioning from EARLY_GATE to OFF state.
- * 2. ULPS mode might have to be enabled in case of OFF
- * state. For ULPS, Link clocks should be turned ON
- * first before they are turned off again.
- *
- * If Link is going from EARLY_GATE to OFF state AND
- * Core clock is already in EARLY_GATE or OFF state,
- * turn on Core clocks and link clocks.
- *
- * ULPS state is managed as part of the pre_clkoff_cb.
- */
- if ((l_state == DSI_CLK_OFF) &&
- (mngr->link_clk_state ==
- DSI_CLK_EARLY_GATE) &&
- (mngr->core_clk_state !=
- DSI_CLK_ON)) {
- rc = dsi_display_core_clk_enable(
- mngr->core_clks, mngr->dsi_ctrl_count,
- mngr->master_ndx);
- if (rc) {
- pr_err("core clks did not start\n");
- goto error;
- }
-
- rc = dsi_display_link_clk_enable(l_clks,
- mngr->dsi_ctrl_count, mngr->master_ndx);
- if (rc) {
- pr_err("Link clks did not start\n");
- goto error;
- }
- l_c_on = true;
- pr_debug("ECG: core and Link_on\n");
- }
-
- if (mngr->pre_clkoff_cb) {
- rc = mngr->pre_clkoff_cb(mngr->priv_data,
- DSI_LINK_CLK, l_state);
- if (rc)
- pr_err("pre link clk off cb failed\n");
- }
-
- rc = dsi_display_link_clk_disable(l_clks,
- mngr->dsi_ctrl_count, mngr->master_ndx);
- if (rc) {
- pr_err("failed to stop link clk, rc = %d\n",
- rc);
- goto error;
- }
-
- if (mngr->post_clkoff_cb) {
- rc = mngr->post_clkoff_cb(mngr->priv_data,
- DSI_LINK_CLK, l_state);
- if (rc)
- pr_err("post link clk off cb failed\n");
- }
- /*
- * This check is to save unnecessary clock state
- * change when going from EARLY_GATE to OFF. In the
- * case where the request happens for both Core and Link
- * clocks in the same call, core clocks need to be
- * turned on first before OFF state can be entered.
- *
- * Core clocks are turned on here for Link clocks to go
- * to OFF state. If core clock request is also present,
- * then core clocks can be turned off Core clocks are
- * transitioned to OFF state.
- */
- if (l_c_on && (!(c_clks && (c_state == DSI_CLK_OFF)
- && (mngr->core_clk_state ==
- DSI_CLK_EARLY_GATE)))) {
- rc = dsi_display_core_clk_disable(
- mngr->core_clks, mngr->dsi_ctrl_count,
- mngr->master_ndx);
- if (rc) {
- pr_err("core clks did not stop\n");
- goto error;
- }
-
- l_c_on = false;
- pr_debug("ECG: core off\n");
- } else
- pr_debug("ECG: core off skip\n");
- }
-
- mngr->link_clk_state = l_state;
- }
-
- if (c_clks && (c_state != DSI_CLK_ON)) {
- /*
- * When going to OFF state from EARLY GATE state, Core clocks
- * should be turned on first so that the IOs can be clamped.
- * l_c_on flag is set, then the core clocks were turned before
- * to the Link clocks go to OFF state. So Core clocks are
- * already ON and this step can be skipped.
- *
- * IOs are clamped in pre_clkoff_cb callback.
- */
- if ((c_state == DSI_CLK_OFF) &&
- (mngr->core_clk_state ==
- DSI_CLK_EARLY_GATE) && !l_c_on) {
- rc = dsi_display_core_clk_enable(mngr->core_clks,
- mngr->dsi_ctrl_count, mngr->master_ndx);
- if (rc) {
- pr_err("core clks did not start\n");
- goto error;
- }
- pr_debug("ECG: core on\n");
- } else
- pr_debug("ECG: core on skip\n");
-
- if (mngr->pre_clkoff_cb) {
- rc = mngr->pre_clkoff_cb(mngr->priv_data,
- DSI_CORE_CLK,
- c_state);
- if (rc)
- pr_err("pre core clk off cb failed\n");
- }
-
- rc = dsi_display_core_clk_disable(c_clks, mngr->dsi_ctrl_count,
- mngr->master_ndx);
- if (rc) {
- pr_err("failed to turn off core clks rc = %d\n", rc);
- goto error;
- }
-
- if (c_state == DSI_CLK_OFF) {
- if (mngr->post_clkoff_cb) {
- rc = mngr->post_clkoff_cb(mngr->priv_data,
- DSI_CORE_CLK,
- DSI_CLK_OFF);
- if (rc)
- pr_err("post clkoff cb fail, rc = %d\n",
- rc);
- }
- }
- mngr->core_clk_state = c_state;
- }
-
-error:
- return rc;
-}
-
-static int dsi_recheck_clk_state(struct dsi_clk_mngr *mngr)
-{
- int rc = 0;
- struct list_head *pos = NULL;
- struct dsi_clk_client_info *c;
- u32 new_core_clk_state = DSI_CLK_OFF;
- u32 new_link_clk_state = DSI_CLK_OFF;
- u32 old_c_clk_state = DSI_CLK_OFF;
- u32 old_l_clk_state = DSI_CLK_OFF;
- struct dsi_core_clks *c_clks = NULL;
- struct dsi_link_clks *l_clks = NULL;
-
- /*
- * Conditions to maintain DSI manager clock state based on
- * clock states of various clients:
- * 1. If any client has clock in ON state, DSI manager clock state
- * should be ON.
- * 2. If any client is in ECG state with rest of them turned OFF,
- * go to Early gate state.
- * 3. If all clients have clocks as OFF, then go to OFF state.
- */
- list_for_each(pos, &mngr->client_list) {
- c = list_entry(pos, struct dsi_clk_client_info, list);
- if (c->core_clk_state == DSI_CLK_ON) {
- new_core_clk_state = DSI_CLK_ON;
- break;
- } else if (c->core_clk_state == DSI_CLK_EARLY_GATE) {
- new_core_clk_state = DSI_CLK_EARLY_GATE;
- }
- }
-
- list_for_each(pos, &mngr->client_list) {
- c = list_entry(pos, struct dsi_clk_client_info, list);
- if (c->link_clk_state == DSI_CLK_ON) {
- new_link_clk_state = DSI_CLK_ON;
- break;
- } else if (c->link_clk_state == DSI_CLK_EARLY_GATE) {
- new_link_clk_state = DSI_CLK_EARLY_GATE;
- }
- }
-
- if (new_core_clk_state != mngr->core_clk_state)
- c_clks = mngr->core_clks;
-
- if (new_link_clk_state != mngr->link_clk_state)
- l_clks = mngr->link_clks;
-
- old_c_clk_state = mngr->core_clk_state;
- old_l_clk_state = mngr->link_clk_state;
-
- pr_debug("c_clk_state (%d -> %d)\n",
- old_c_clk_state, new_core_clk_state);
- pr_debug("l_clk_state (%d -> %d)\n",
- old_l_clk_state, new_link_clk_state);
-
- if (c_clks || l_clks) {
- rc = dsi_update_clk_state(c_clks, new_core_clk_state,
- l_clks, new_link_clk_state);
- if (rc) {
- pr_err("failed to update clock state, rc = %d\n", rc);
- goto error;
- }
- }
-
-error:
- return rc;
-}
-
-int dsi_clk_req_state(void *client, enum dsi_clk_type clk,
- enum dsi_clk_state state)
-{
- int rc = 0;
- struct dsi_clk_client_info *c = client;
- struct dsi_clk_mngr *mngr;
- bool changed = false;
-
- if (!client || !clk || clk > (DSI_CORE_CLK | DSI_LINK_CLK) ||
- state > DSI_CLK_EARLY_GATE) {
- pr_err("Invalid params, client = %pK, clk = 0x%x, state = %d\n",
- client, clk, state);
- return -EINVAL;
- }
-
- mngr = c->mngr;
- mutex_lock(&mngr->clk_mutex);
-
- pr_debug("[%s]%s: CLK=%d, new_state=%d, core=%d, linkl=%d\n",
- mngr->name, c->name, clk, state, c->core_clk_state,
- c->link_clk_state);
-
- /*
- * Clock refcount handling as below:
- * i. Increment refcount whenever ON is called.
- * ii. Decrement refcount when transitioning from ON state to
- * either OFF or EARLY_GATE.
- * iii. Do not decrement refcount when changing from
- * EARLY_GATE to OFF.
- */
- if (state == DSI_CLK_ON) {
- if (clk & DSI_CORE_CLK) {
- c->core_refcount++;
- if (c->core_clk_state != DSI_CLK_ON) {
- c->core_clk_state = DSI_CLK_ON;
- changed = true;
- }
- }
- if (clk & DSI_LINK_CLK) {
- c->link_refcount++;
- if (c->link_clk_state != DSI_CLK_ON) {
- c->link_clk_state = DSI_CLK_ON;
- changed = true;
- }
- }
- } else if ((state == DSI_CLK_EARLY_GATE) ||
- (state == DSI_CLK_OFF)) {
- if (clk & DSI_CORE_CLK) {
- if (c->core_refcount == 0) {
- if ((c->core_clk_state ==
- DSI_CLK_EARLY_GATE) &&
- (state == DSI_CLK_OFF)) {
- changed = true;
- c->core_clk_state = DSI_CLK_OFF;
- } else {
- pr_warn("Core refcount is zero for %s",
- c->name);
- }
- } else {
- c->core_refcount--;
- if (c->core_refcount == 0) {
- c->core_clk_state = state;
- changed = true;
- }
- }
- }
- if (clk & DSI_LINK_CLK) {
- if (c->link_refcount == 0) {
- if ((c->link_clk_state ==
- DSI_CLK_EARLY_GATE) &&
- (state == DSI_CLK_OFF)) {
- changed = true;
- c->link_clk_state = DSI_CLK_OFF;
- } else {
- pr_warn("Link refcount is zero for %s",
- c->name);
- }
- } else {
- c->link_refcount--;
- if (c->link_refcount == 0) {
- c->link_clk_state = state;
- changed = true;
- }
- }
- }
- }
- pr_debug("[%s]%s: change=%d, Core (ref=%d, state=%d), Link (ref=%d, state=%d)\n",
- mngr->name, c->name, changed, c->core_refcount,
- c->core_clk_state, c->link_refcount, c->link_clk_state);
-
- if (changed) {
- rc = dsi_recheck_clk_state(mngr);
- if (rc)
- pr_err("Failed to adjust clock state rc = %d\n", rc);
- }
-
- mutex_unlock(&mngr->clk_mutex);
- return rc;
-}
-
-DEFINE_MUTEX(dsi_mngr_clk_mutex);
-
-int dsi_display_clk_ctrl(void *handle,
- enum dsi_clk_type clk_type, enum dsi_clk_state clk_state)
-{
- int rc = 0;
-
- if (!handle) {
- pr_err("%s: Invalid arg\n", __func__);
- return -EINVAL;
- }
-
- mutex_lock(&dsi_mngr_clk_mutex);
- rc = dsi_clk_req_state(handle, clk_type, clk_state);
- if (rc)
- pr_err("%s: failed set clk state, rc = %d\n", __func__, rc);
- mutex_unlock(&dsi_mngr_clk_mutex);
-
- return rc;
-}
-
-void *dsi_register_clk_handle(void *clk_mngr, char *client)
-{
- void *handle = NULL;
- struct dsi_clk_mngr *mngr = clk_mngr;
- struct dsi_clk_client_info *c;
-
- if (!mngr) {
- pr_err("bad params\n");
- return ERR_PTR(-EINVAL);
- }
-
- mutex_lock(&mngr->clk_mutex);
-
- c = kzalloc(sizeof(*c), GFP_KERNEL);
- if (!c) {
- handle = ERR_PTR(-ENOMEM);
- goto error;
- }
-
- strlcpy(c->name, client, MAX_STRING_LEN);
- c->mngr = mngr;
-
- list_add(&c->list, &mngr->client_list);
-
- pr_debug("[%s]: Added new client (%s)\n", mngr->name, c->name);
- handle = c;
-error:
- mutex_unlock(&mngr->clk_mutex);
- return handle;
-}
-
-int dsi_deregister_clk_handle(void *client)
-{
- int rc = 0;
- struct dsi_clk_client_info *c = client;
- struct dsi_clk_mngr *mngr;
- struct list_head *pos = NULL;
- struct list_head *tmp = NULL;
- struct dsi_clk_client_info *node = NULL;
-
- if (!client) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mngr = c->mngr;
- pr_debug("%s: ENTER\n", mngr->name);
- mutex_lock(&mngr->clk_mutex);
- c->core_clk_state = DSI_CLK_OFF;
- c->link_clk_state = DSI_CLK_OFF;
-
- rc = dsi_recheck_clk_state(mngr);
- if (rc) {
- pr_err("clock state recheck failed rc = %d\n", rc);
- goto error;
- }
-
- list_for_each_safe(pos, tmp, &mngr->client_list) {
- node = list_entry(pos, struct dsi_clk_client_info,
- list);
- if (node == c) {
- list_del(&node->list);
- pr_debug("Removed device (%s)\n", node->name);
- kfree(node);
- break;
- }
- }
-
-error:
- mutex_unlock(&mngr->clk_mutex);
- pr_debug("%s: EXIT, rc = %d\n", mngr->name, rc);
- return rc;
-}
-
-void *dsi_display_clk_mngr_register(struct dsi_clk_info *info)
-{
- struct dsi_clk_mngr *mngr;
- int i = 0;
-
- if (!info) {
- pr_err("Invalid params\n");
- return ERR_PTR(-EINVAL);
- }
-
- mngr = kzalloc(sizeof(*mngr), GFP_KERNEL);
- if (!mngr) {
- mngr = ERR_PTR(-ENOMEM);
- goto error;
- }
-
- mutex_init(&mngr->clk_mutex);
- mngr->dsi_ctrl_count = info->dsi_ctrl_count;
- mngr->master_ndx = info->master_ndx;
-
- if (mngr->dsi_ctrl_count > MAX_DSI_CTRL) {
- kfree(mngr);
- return ERR_PTR(-EINVAL);
- }
-
- for (i = 0; i < mngr->dsi_ctrl_count; i++) {
- memcpy(&mngr->core_clks[i].clks, &info->c_clks[i],
- sizeof(struct dsi_core_clk_info));
- memcpy(&mngr->link_clks[i].clks, &info->l_clks[i],
- sizeof(struct dsi_link_clk_info));
- mngr->core_clks[i].bus_handle = info->bus_handle[i];
- mngr->ctrl_index[i] = info->ctrl_index[i];
- }
-
- INIT_LIST_HEAD(&mngr->client_list);
- mngr->pre_clkon_cb = info->pre_clkon_cb;
- mngr->post_clkon_cb = info->post_clkon_cb;
- mngr->pre_clkoff_cb = info->pre_clkoff_cb;
- mngr->post_clkoff_cb = info->post_clkoff_cb;
- mngr->priv_data = info->priv_data;
- memcpy(mngr->name, info->name, MAX_STRING_LEN);
-
-error:
- pr_debug("EXIT, rc = %ld\n", PTR_ERR(mngr));
- return mngr;
-}
-
-int dsi_display_clk_mngr_deregister(void *clk_mngr)
-{
- int rc = 0;
- struct dsi_clk_mngr *mngr = clk_mngr;
- struct list_head *position = NULL;
- struct list_head *tmp = NULL;
- struct dsi_clk_client_info *node = NULL;
-
- if (!mngr) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- pr_debug("%s: ENTER\n", mngr->name);
- mutex_lock(&mngr->clk_mutex);
-
- list_for_each_safe(position, tmp, &mngr->client_list) {
- node = list_entry(position, struct dsi_clk_client_info,
- list);
- list_del(&node->list);
- pr_debug("Removed device (%s)\n", node->name);
- kfree(node);
- }
-
- rc = dsi_recheck_clk_state(mngr);
- if (rc)
- pr_err("failed to disable all clocks\n");
-
- mutex_unlock(&mngr->clk_mutex);
- pr_debug("%s: EXIT, rc = %d\n", mngr->name, rc);
- kfree(mngr);
- return rc;
-}
-
deleted file mode 100644
@@ -1,2846 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#define pr_fmt(fmt) "dsi-ctrl:[%s] " fmt, __func__
-
-#include <linux/of_device.h>
-#include <linux/err.h>
-#include <linux/regulator/consumer.h>
-#include <linux/clk.h>
-#ifdef CONFIG_QCOM_BUS_SCALING
-#include <linux/msm-bus.h>
-#endif
-#include <linux/of_irq.h>
-#include <video/mipi_display.h>
-
-#include "msm_drv.h"
-#include "msm_kms.h"
-#include "msm_gpu.h"
-#include "msm_mmu.h"
-#include "dsi_ctrl.h"
-#include "dsi_ctrl_hw.h"
-#include "dsi_clk.h"
-#include "dsi_pwr.h"
-#include "dsi_catalog.h"
-
-#include "dpu_dbg.h"
-
-#define DSI_CTRL_DEFAULT_LABEL "MDSS DSI CTRL"
-
-#define DSI_CTRL_TX_TO_MS 200
-
-#define TO_ON_OFF(x) ((x) ? "ON" : "OFF")
-
-#define CEIL(x, y) (((x) + ((y)-1)) / (y))
-/**
- * enum dsi_ctrl_driver_ops - controller driver ops
- */
-enum dsi_ctrl_driver_ops {
- DSI_CTRL_OP_POWER_STATE_CHANGE,
- DSI_CTRL_OP_CMD_ENGINE,
- DSI_CTRL_OP_VID_ENGINE,
- DSI_CTRL_OP_HOST_ENGINE,
- DSI_CTRL_OP_CMD_TX,
- DSI_CTRL_OP_HOST_INIT,
- DSI_CTRL_OP_TPG,
- DSI_CTRL_OP_PHY_SW_RESET,
- DSI_CTRL_OP_ASYNC_TIMING,
- DSI_CTRL_OP_MAX
-};
-
-struct dsi_ctrl_list_item {
- struct dsi_ctrl *ctrl;
- struct list_head list;
-};
-
-static LIST_HEAD(dsi_ctrl_list);
-static DEFINE_MUTEX(dsi_ctrl_list_lock);
-
-static const enum dsi_ctrl_version dsi_ctrl_v1_4 = DSI_CTRL_VERSION_1_4;
-static const enum dsi_ctrl_version dsi_ctrl_v2_0 = DSI_CTRL_VERSION_2_0;
-static const enum dsi_ctrl_version dsi_ctrl_v2_2 = DSI_CTRL_VERSION_2_2;
-
-static const struct of_device_id msm_dsi_of_match[] = {
- {
- .compatible = "qcom,dsi-ctrl-hw-v1.4",
- .data = &dsi_ctrl_v1_4,
- },
- {
- .compatible = "qcom,dsi-ctrl-hw-v2.0",
- .data = &dsi_ctrl_v2_0,
- },
- {
- .compatible = "qcom,dsi-ctrl-hw-v2.2",
- .data = &dsi_ctrl_v2_2,
- },
- {}
-};
-
-static ssize_t debugfs_state_info_read(struct file *file,
- char __user *buff,
- size_t count,
- loff_t *ppos)
-{
- struct dsi_ctrl *dsi_ctrl = file->private_data;
- char *buf;
- u32 len = 0;
-
- if (!dsi_ctrl)
- return -ENODEV;
-
- if (*ppos)
- return 0;
-
- buf = kzalloc(SZ_4K, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- /* Dump current state */
- len += snprintf((buf + len), (SZ_4K - len), "Current State:\n");
- len += snprintf((buf + len), (SZ_4K - len),
- "\tCTRL_ENGINE = %s\n",
- TO_ON_OFF(dsi_ctrl->current_state.controller_state));
- len += snprintf((buf + len), (SZ_4K - len),
- "\tVIDEO_ENGINE = %s\n\tCOMMAND_ENGINE = %s\n",
- TO_ON_OFF(dsi_ctrl->current_state.vid_engine_state),
- TO_ON_OFF(dsi_ctrl->current_state.cmd_engine_state));
-
- /* Dump clock information */
- len += snprintf((buf + len), (SZ_4K - len), "\nClock Info:\n");
- len += snprintf((buf + len), (SZ_4K - len),
- "\tBYTE_CLK = %u, PIXEL_CLK = %u, ESC_CLK = %u\n",
- dsi_ctrl->clk_freq.byte_clk_rate,
- dsi_ctrl->clk_freq.pix_clk_rate,
- dsi_ctrl->clk_freq.esc_clk_rate);
-
- /* TODO: make sure that this does not exceed 4K */
- if (copy_to_user(buff, buf, len)) {
- kfree(buf);
- return -EFAULT;
- }
-
- *ppos += len;
- kfree(buf);
- return len;
-}
-
-static ssize_t debugfs_reg_dump_read(struct file *file,
- char __user *buff,
- size_t count,
- loff_t *ppos)
-{
- struct dsi_ctrl *dsi_ctrl = file->private_data;
- char *buf;
- u32 len = 0;
- struct dsi_clk_ctrl_info clk_info;
- int rc = 0;
-
- if (!dsi_ctrl)
- return -ENODEV;
-
- if (*ppos)
- return 0;
-
- buf = kzalloc(SZ_4K, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- clk_info.client = DSI_CLK_REQ_DSI_CLIENT;
- clk_info.clk_type = DSI_CORE_CLK;
- clk_info.clk_state = DSI_CLK_ON;
-
- rc = dsi_ctrl->clk_cb.dsi_clk_cb(dsi_ctrl->clk_cb.priv, clk_info);
- if (rc) {
- pr_err("failed to enable DSI core clocks\n");
- kfree(buf);
- return rc;
- }
-
- if (dsi_ctrl->hw.ops.reg_dump_to_buffer)
- len = dsi_ctrl->hw.ops.reg_dump_to_buffer(&dsi_ctrl->hw,
- buf, SZ_4K);
-
- clk_info.clk_state = DSI_CLK_OFF;
- rc = dsi_ctrl->clk_cb.dsi_clk_cb(dsi_ctrl->clk_cb.priv, clk_info);
- if (rc) {
- pr_err("failed to disable DSI core clocks\n");
- kfree(buf);
- return rc;
- }
-
-
- /* TODO: make sure that this does not exceed 4K */
- if (copy_to_user(buff, buf, len)) {
- kfree(buf);
- return -EFAULT;
- }
-
- *ppos += len;
- kfree(buf);
- return len;
-}
-
-static const struct file_operations state_info_fops = {
- .open = simple_open,
- .read = debugfs_state_info_read,
-};
-
-static const struct file_operations reg_dump_fops = {
- .open = simple_open,
- .read = debugfs_reg_dump_read,
-};
-
-static int dsi_ctrl_debugfs_init(struct dsi_ctrl *dsi_ctrl,
- struct dentry *parent)
-{
- int rc = 0;
- struct dentry *dir, *state_file, *reg_dump;
- char dbg_name[DSI_DEBUG_NAME_LEN];
-
- dir = debugfs_create_dir(dsi_ctrl->name, parent);
- if (IS_ERR_OR_NULL(dir)) {
- rc = PTR_ERR(dir);
- pr_err("[DSI_%d] debugfs create dir failed, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto error;
- }
-
- state_file = debugfs_create_file("state_info",
- 0444,
- dir,
- dsi_ctrl,
- &state_info_fops);
- if (IS_ERR_OR_NULL(state_file)) {
- rc = PTR_ERR(state_file);
- pr_err("[DSI_%d] state file failed, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto error_remove_dir;
- }
-
- reg_dump = debugfs_create_file("reg_dump",
- 0444,
- dir,
- dsi_ctrl,
- ®_dump_fops);
- if (IS_ERR_OR_NULL(reg_dump)) {
- rc = PTR_ERR(reg_dump);
- pr_err("[DSI_%d] reg dump file failed, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto error_remove_dir;
- }
-
- dsi_ctrl->debugfs_root = dir;
-
- snprintf(dbg_name, DSI_DEBUG_NAME_LEN, "dsi%d_ctrl",
- dsi_ctrl->cell_index);
- dpu_dbg_reg_register_base(dbg_name, dsi_ctrl->hw.base,
- msm_iomap_size(dsi_ctrl->pdev, "dsi_ctrl"));
-error_remove_dir:
- debugfs_remove(dir);
-error:
- return rc;
-}
-
-static int dsi_ctrl_debugfs_deinit(struct dsi_ctrl *dsi_ctrl)
-{
- debugfs_remove(dsi_ctrl->debugfs_root);
- return 0;
-}
-
-static inline struct msm_gem_address_space*
-dsi_ctrl_get_aspace(struct dsi_ctrl *dsi_ctrl,
- int domain)
-{
- if (!dsi_ctrl || !dsi_ctrl->drm_dev)
- return NULL;
-
- return msm_gem_smmu_address_space_get(dsi_ctrl->drm_dev, domain);
-}
-
-static int dsi_ctrl_check_state(struct dsi_ctrl *dsi_ctrl,
- enum dsi_ctrl_driver_ops op,
- u32 op_state)
-{
- int rc = 0;
- struct dsi_ctrl_state_info *state = &dsi_ctrl->current_state;
-
- switch (op) {
- case DSI_CTRL_OP_POWER_STATE_CHANGE:
- if (state->power_state == op_state) {
- pr_debug("[%d] No change in state, pwr_state=%d\n",
- dsi_ctrl->cell_index, op_state);
- rc = -EINVAL;
- } else if (state->power_state == DSI_CTRL_POWER_VREG_ON) {
- if (state->vid_engine_state == DSI_CTRL_ENGINE_ON) {
- pr_debug("[%d]State error: op=%d: %d\n",
- dsi_ctrl->cell_index,
- op_state,
- state->vid_engine_state);
- rc = -EINVAL;
- }
- }
- break;
- case DSI_CTRL_OP_CMD_ENGINE:
- if (state->cmd_engine_state == op_state) {
- pr_debug("[%d] No change in state, cmd_state=%d\n",
- dsi_ctrl->cell_index, op_state);
- rc = -EINVAL;
- } else if ((state->power_state != DSI_CTRL_POWER_VREG_ON) ||
- (state->controller_state != DSI_CTRL_ENGINE_ON)) {
- pr_debug("[%d]State error: op=%d: %d, %d\n",
- dsi_ctrl->cell_index,
- op,
- state->power_state,
- state->controller_state);
- rc = -EINVAL;
- }
- break;
- case DSI_CTRL_OP_VID_ENGINE:
- if (state->vid_engine_state == op_state) {
- pr_debug("[%d] No change in state, cmd_state=%d\n",
- dsi_ctrl->cell_index, op_state);
- rc = -EINVAL;
- } else if ((state->power_state != DSI_CTRL_POWER_VREG_ON) ||
- (state->controller_state != DSI_CTRL_ENGINE_ON)) {
- pr_debug("[%d]State error: op=%d: %d, %d\n",
- dsi_ctrl->cell_index,
- op,
- state->power_state,
- state->controller_state);
- rc = -EINVAL;
- }
- break;
- case DSI_CTRL_OP_HOST_ENGINE:
- if (state->controller_state == op_state) {
- pr_debug("[%d] No change in state, ctrl_state=%d\n",
- dsi_ctrl->cell_index, op_state);
- rc = -EINVAL;
- } else if (state->power_state != DSI_CTRL_POWER_VREG_ON) {
- pr_debug("[%d]State error (link is off): op=%d:, %d\n",
- dsi_ctrl->cell_index,
- op_state,
- state->power_state);
- rc = -EINVAL;
- } else if ((op_state == DSI_CTRL_ENGINE_OFF) &&
- ((state->cmd_engine_state != DSI_CTRL_ENGINE_OFF) ||
- (state->vid_engine_state != DSI_CTRL_ENGINE_OFF))) {
- pr_debug("[%d]State error (eng on): op=%d: %d, %d\n",
- dsi_ctrl->cell_index,
- op_state,
- state->cmd_engine_state,
- state->vid_engine_state);
- rc = -EINVAL;
- }
- break;
- case DSI_CTRL_OP_CMD_TX:
- if ((state->power_state != DSI_CTRL_POWER_VREG_ON) ||
- (state->host_initialized != true) ||
- (state->cmd_engine_state != DSI_CTRL_ENGINE_ON)) {
- pr_debug("[%d]State error: op=%d: %d, %d, %d\n",
- dsi_ctrl->cell_index,
- op,
- state->power_state,
- state->host_initialized,
- state->cmd_engine_state);
- rc = -EINVAL;
- }
- break;
- case DSI_CTRL_OP_HOST_INIT:
- if (state->host_initialized == op_state) {
- pr_debug("[%d] No change in state, host_init=%d\n",
- dsi_ctrl->cell_index, op_state);
- rc = -EINVAL;
- } else if (state->power_state != DSI_CTRL_POWER_VREG_ON) {
- pr_debug("[%d]State error: op=%d: %d\n",
- dsi_ctrl->cell_index, op, state->power_state);
- rc = -EINVAL;
- }
- break;
- case DSI_CTRL_OP_TPG:
- if (state->tpg_enabled == op_state) {
- pr_debug("[%d] No change in state, tpg_enabled=%d\n",
- dsi_ctrl->cell_index, op_state);
- rc = -EINVAL;
- } else if ((state->power_state != DSI_CTRL_POWER_VREG_ON) ||
- (state->controller_state != DSI_CTRL_ENGINE_ON)) {
- pr_debug("[%d]State error: op=%d: %d, %d\n",
- dsi_ctrl->cell_index,
- op,
- state->power_state,
- state->controller_state);
- rc = -EINVAL;
- }
- break;
- case DSI_CTRL_OP_PHY_SW_RESET:
- if (state->power_state != DSI_CTRL_POWER_VREG_ON) {
- pr_debug("[%d]State error: op=%d: %d\n",
- dsi_ctrl->cell_index, op, state->power_state);
- rc = -EINVAL;
- }
- break;
- case DSI_CTRL_OP_ASYNC_TIMING:
- if (state->vid_engine_state != op_state) {
- pr_err("[%d] Unexpected engine state vid_state=%d\n",
- dsi_ctrl->cell_index, op_state);
- rc = -EINVAL;
- }
- break;
- default:
- rc = -ENOTSUPP;
- break;
- }
-
- return rc;
-}
-
-static void dsi_ctrl_update_state(struct dsi_ctrl *dsi_ctrl,
- enum dsi_ctrl_driver_ops op,
- u32 op_state)
-{
- struct dsi_ctrl_state_info *state = &dsi_ctrl->current_state;
-
- switch (op) {
- case DSI_CTRL_OP_POWER_STATE_CHANGE:
- state->power_state = op_state;
- break;
- case DSI_CTRL_OP_CMD_ENGINE:
- state->cmd_engine_state = op_state;
- break;
- case DSI_CTRL_OP_VID_ENGINE:
- state->vid_engine_state = op_state;
- break;
- case DSI_CTRL_OP_HOST_ENGINE:
- state->controller_state = op_state;
- break;
- case DSI_CTRL_OP_HOST_INIT:
- state->host_initialized = (op_state == 1) ? true : false;
- break;
- case DSI_CTRL_OP_TPG:
- state->tpg_enabled = (op_state == 1) ? true : false;
- break;
- case DSI_CTRL_OP_CMD_TX:
- case DSI_CTRL_OP_PHY_SW_RESET:
- default:
- break;
- }
-}
-
-static int dsi_ctrl_init_regmap(struct platform_device *pdev,
- struct dsi_ctrl *ctrl)
-{
- int rc = 0;
- void __iomem *ptr;
-
- ptr = msm_ioremap(pdev, "dsi_ctrl", ctrl->name);
- if (IS_ERR(ptr)) {
- rc = PTR_ERR(ptr);
- return rc;
- }
-
- ctrl->hw.base = ptr;
- pr_debug("[%s] map dsi_ctrl registers to %p\n", ctrl->name,
- ctrl->hw.base);
-
- switch (ctrl->version) {
- case DSI_CTRL_VERSION_1_4:
- case DSI_CTRL_VERSION_2_0:
- ptr = msm_ioremap(pdev, "mmss_misc", ctrl->name);
- if (IS_ERR(ptr)) {
- pr_err("mmss_misc base address not found for [%s]\n",
- ctrl->name);
- rc = PTR_ERR(ptr);
- return rc;
- }
- ctrl->hw.mmss_misc_base = ptr;
- ctrl->hw.disp_cc_base = NULL;
- break;
- case DSI_CTRL_VERSION_2_2:
- ptr = msm_ioremap(pdev, "disp_cc_base", ctrl->name);
- if (IS_ERR(ptr)) {
- pr_err("disp_cc base address not found for [%s]\n",
- ctrl->name);
- rc = PTR_ERR(ptr);
- return rc;
- }
- ctrl->hw.disp_cc_base = ptr;
- ctrl->hw.mmss_misc_base = NULL;
- break;
- default:
- break;
- }
-
- return rc;
-}
-
-static int dsi_ctrl_clocks_deinit(struct dsi_ctrl *ctrl)
-{
- struct dsi_core_clk_info *core = &ctrl->clk_info.core_clks;
- struct dsi_link_clk_info *link = &ctrl->clk_info.link_clks;
- struct dsi_clk_link_set *rcg = &ctrl->clk_info.rcg_clks;
-
- if (core->mdp_core_clk)
- devm_clk_put(&ctrl->pdev->dev, core->mdp_core_clk);
- if (core->iface_clk)
- devm_clk_put(&ctrl->pdev->dev, core->iface_clk);
- if (core->core_mmss_clk)
- devm_clk_put(&ctrl->pdev->dev, core->core_mmss_clk);
- if (core->bus_clk)
- devm_clk_put(&ctrl->pdev->dev, core->bus_clk);
- if (core->mnoc_clk)
- devm_clk_put(&ctrl->pdev->dev, core->mnoc_clk);
-
- memset(core, 0x0, sizeof(*core));
-
- if (link->byte_clk)
- devm_clk_put(&ctrl->pdev->dev, link->byte_clk);
- if (link->pixel_clk)
- devm_clk_put(&ctrl->pdev->dev, link->pixel_clk);
- if (link->esc_clk)
- devm_clk_put(&ctrl->pdev->dev, link->esc_clk);
- if (link->byte_intf_clk)
- devm_clk_put(&ctrl->pdev->dev, link->byte_intf_clk);
-
- memset(link, 0x0, sizeof(*link));
-
- if (rcg->byte_clk)
- devm_clk_put(&ctrl->pdev->dev, rcg->byte_clk);
- if (rcg->pixel_clk)
- devm_clk_put(&ctrl->pdev->dev, rcg->pixel_clk);
-
- memset(rcg, 0x0, sizeof(*rcg));
-
- return 0;
-}
-
-static int dsi_ctrl_clocks_init(struct platform_device *pdev,
- struct dsi_ctrl *ctrl)
-{
- int rc = 0;
- struct dsi_core_clk_info *core = &ctrl->clk_info.core_clks;
- struct dsi_link_clk_info *link = &ctrl->clk_info.link_clks;
- struct dsi_clk_link_set *rcg = &ctrl->clk_info.rcg_clks;
-
- core->mdp_core_clk = devm_clk_get(&pdev->dev, "mdp_core_clk");
- if (IS_ERR(core->mdp_core_clk)) {
- core->mdp_core_clk = NULL;
- pr_debug("failed to get mdp_core_clk, rc=%d\n", rc);
- }
-
- core->iface_clk = devm_clk_get(&pdev->dev, "iface_clk");
- if (IS_ERR(core->iface_clk)) {
- core->iface_clk = NULL;
- pr_debug("failed to get iface_clk, rc=%d\n", rc);
- }
-
- core->core_mmss_clk = devm_clk_get(&pdev->dev, "core_mmss_clk");
- if (IS_ERR(core->core_mmss_clk)) {
- core->core_mmss_clk = NULL;
- pr_debug("failed to get core_mmss_clk, rc=%d\n", rc);
- }
-
- core->bus_clk = devm_clk_get(&pdev->dev, "bus_clk");
- if (IS_ERR(core->bus_clk)) {
- core->bus_clk = NULL;
- pr_debug("failed to get bus_clk, rc=%d\n", rc);
- }
-
- core->mnoc_clk = devm_clk_get(&pdev->dev, "mnoc_clk");
- if (IS_ERR(core->mnoc_clk)) {
- core->mnoc_clk = NULL;
- pr_debug("can't get mnoc clock, rc=%d\n", rc);
- }
-
- link->byte_clk = devm_clk_get(&pdev->dev, "byte_clk");
- if (IS_ERR(link->byte_clk)) {
- rc = PTR_ERR(link->byte_clk);
- pr_err("failed to get byte_clk, rc=%d\n", rc);
- goto fail;
- }
-
- link->pixel_clk = devm_clk_get(&pdev->dev, "pixel_clk");
- if (IS_ERR(link->pixel_clk)) {
- rc = PTR_ERR(link->pixel_clk);
- pr_err("failed to get pixel_clk, rc=%d\n", rc);
- goto fail;
- }
-
- link->esc_clk = devm_clk_get(&pdev->dev, "esc_clk");
- if (IS_ERR(link->esc_clk)) {
- rc = PTR_ERR(link->esc_clk);
- pr_err("failed to get esc_clk, rc=%d\n", rc);
- goto fail;
- }
-
- link->byte_intf_clk = devm_clk_get(&pdev->dev, "byte_intf_clk");
- if (IS_ERR(link->byte_intf_clk)) {
- link->byte_intf_clk = NULL;
- pr_debug("can't find byte intf clk, rc=%d\n", rc);
- }
-
- rcg->byte_clk = devm_clk_get(&pdev->dev, "byte_clk_rcg");
- if (IS_ERR(rcg->byte_clk)) {
- rc = PTR_ERR(rcg->byte_clk);
- pr_err("failed to get byte_clk_rcg, rc=%d\n", rc);
- goto fail;
- }
-
- rcg->pixel_clk = devm_clk_get(&pdev->dev, "pixel_clk_rcg");
- if (IS_ERR(rcg->pixel_clk)) {
- rc = PTR_ERR(rcg->pixel_clk);
- pr_err("failed to get pixel_clk_rcg, rc=%d\n", rc);
- goto fail;
- }
-
- return 0;
-fail:
- dsi_ctrl_clocks_deinit(ctrl);
- return rc;
-}
-
-static int dsi_ctrl_supplies_deinit(struct dsi_ctrl *ctrl)
-{
- int i = 0;
- int rc = 0;
- struct dsi_regulator_info *regs;
-
- regs = &ctrl->pwr_info.digital;
- for (i = 0; i < regs->count; i++) {
- if (!regs->vregs[i].vreg)
- pr_err("vreg is NULL, should not reach here\n");
- else
- devm_regulator_put(regs->vregs[i].vreg);
- }
-
- regs = &ctrl->pwr_info.host_pwr;
- for (i = 0; i < regs->count; i++) {
- if (!regs->vregs[i].vreg)
- pr_err("vreg is NULL, should not reach here\n");
- else
- devm_regulator_put(regs->vregs[i].vreg);
- }
-
- if (!ctrl->pwr_info.host_pwr.vregs) {
- devm_kfree(&ctrl->pdev->dev, ctrl->pwr_info.host_pwr.vregs);
- ctrl->pwr_info.host_pwr.vregs = NULL;
- ctrl->pwr_info.host_pwr.count = 0;
- }
-
- if (!ctrl->pwr_info.digital.vregs) {
- devm_kfree(&ctrl->pdev->dev, ctrl->pwr_info.digital.vregs);
- ctrl->pwr_info.digital.vregs = NULL;
- ctrl->pwr_info.digital.count = 0;
- }
-
- return rc;
-}
-
-static int dsi_ctrl_supplies_init(struct platform_device *pdev,
- struct dsi_ctrl *ctrl)
-{
- int rc = 0;
- int i = 0;
- struct dsi_regulator_info *regs;
- struct regulator *vreg = NULL;
-
- rc = dsi_pwr_get_dt_vreg_data(&pdev->dev,
- &ctrl->pwr_info.digital,
- "qcom,core-supply-entries");
- if (rc)
- pr_debug("failed to get digital supply, rc = %d\n", rc);
-
- rc = dsi_pwr_get_dt_vreg_data(&pdev->dev,
- &ctrl->pwr_info.host_pwr,
- "qcom,ctrl-supply-entries");
- if (rc) {
- pr_err("failed to get host power supplies, rc = %d\n", rc);
- goto error_digital;
- }
-
- regs = &ctrl->pwr_info.digital;
- for (i = 0; i < regs->count; i++) {
- vreg = devm_regulator_get(&pdev->dev, regs->vregs[i].vreg_name);
- if (IS_ERR(vreg)) {
- pr_err("failed to get %s regulator\n",
- regs->vregs[i].vreg_name);
- rc = PTR_ERR(vreg);
- goto error_host_pwr;
- }
- regs->vregs[i].vreg = vreg;
- }
-
- regs = &ctrl->pwr_info.host_pwr;
- for (i = 0; i < regs->count; i++) {
- vreg = devm_regulator_get(&pdev->dev, regs->vregs[i].vreg_name);
- if (IS_ERR(vreg)) {
- pr_err("failed to get %s regulator\n",
- regs->vregs[i].vreg_name);
- for (--i; i >= 0; i--)
- devm_regulator_put(regs->vregs[i].vreg);
- rc = PTR_ERR(vreg);
- goto error_digital_put;
- }
- regs->vregs[i].vreg = vreg;
- }
-
- return rc;
-
-error_digital_put:
- regs = &ctrl->pwr_info.digital;
- for (i = 0; i < regs->count; i++)
- devm_regulator_put(regs->vregs[i].vreg);
-error_host_pwr:
- devm_kfree(&pdev->dev, ctrl->pwr_info.host_pwr.vregs);
- ctrl->pwr_info.host_pwr.vregs = NULL;
- ctrl->pwr_info.host_pwr.count = 0;
-error_digital:
- if (ctrl->pwr_info.digital.vregs)
- devm_kfree(&pdev->dev, ctrl->pwr_info.digital.vregs);
- ctrl->pwr_info.digital.vregs = NULL;
- ctrl->pwr_info.digital.count = 0;
- return rc;
-}
-
-static int dsi_ctrl_axi_bus_client_init(struct platform_device *pdev,
- struct dsi_ctrl *ctrl)
-{
- int rc = 0;
-#ifdef CONFIG_QCOM_BUS_SCALING
- struct dsi_ctrl_bus_scale_info *bus = &ctrl->axi_bus_info;
-
- bus->bus_scale_table = msm_bus_cl_get_pdata(pdev);
- if (IS_ERR_OR_NULL(bus->bus_scale_table)) {
- rc = PTR_ERR(bus->bus_scale_table);
- pr_debug("msm_bus_cl_get_pdata() failed, rc = %d\n", rc);
- bus->bus_scale_table = NULL;
- return rc;
- }
-
- bus->bus_handle = msm_bus_scale_register_client(bus->bus_scale_table);
- if (!bus->bus_handle) {
- rc = -EINVAL;
- pr_err("failed to register axi bus client\n");
- }
-#endif
- return rc;
-}
-
-static int dsi_ctrl_axi_bus_client_deinit(struct dsi_ctrl *ctrl)
-{
-#ifdef CONFIG_QCOM_BUS_SCALING
- struct dsi_ctrl_bus_scale_info *bus = &ctrl->axi_bus_info;
-
- if (bus->bus_handle) {
- msm_bus_scale_unregister_client(bus->bus_handle);
-
- bus->bus_handle = 0;
- }
-#endif
- return 0;
-}
-
-static int dsi_ctrl_validate_panel_info(struct dsi_ctrl *dsi_ctrl,
- struct dsi_host_config *config)
-{
- int rc = 0;
- struct dsi_host_common_cfg *host_cfg = &config->common_config;
-
- if (config->panel_mode >= DSI_OP_MODE_MAX) {
- pr_err("Invalid dsi operation mode (%d)\n", config->panel_mode);
- rc = -EINVAL;
- goto err;
- }
-
- if ((host_cfg->data_lanes & (DSI_CLOCK_LANE - 1)) == 0) {
- pr_err("No data lanes are enabled\n");
- rc = -EINVAL;
- goto err;
- }
-err:
- return rc;
-}
-
-static int dsi_ctrl_update_link_freqs(struct dsi_ctrl *dsi_ctrl,
- struct dsi_host_config *config, void *clk_handle)
-{
- int rc = 0;
- u32 num_of_lanes = 0;
- u32 bpp = 3;
- u64 h_period, v_period, bit_rate, pclk_rate, bit_rate_per_lane,
- byte_clk_rate;
- struct dsi_host_common_cfg *host_cfg = &config->common_config;
- struct dsi_mode_info *timing = &config->video_timing;
-
- if (host_cfg->data_lanes & DSI_DATA_LANE_0)
- num_of_lanes++;
- if (host_cfg->data_lanes & DSI_DATA_LANE_1)
- num_of_lanes++;
- if (host_cfg->data_lanes & DSI_DATA_LANE_2)
- num_of_lanes++;
- if (host_cfg->data_lanes & DSI_DATA_LANE_3)
- num_of_lanes++;
-
- h_period = DSI_H_TOTAL_DSC(timing);
- v_period = DSI_V_TOTAL(timing);
-
- bit_rate = h_period * v_period * timing->refresh_rate * bpp * 8;
- bit_rate_per_lane = bit_rate;
- do_div(bit_rate_per_lane, num_of_lanes);
- pclk_rate = bit_rate;
- do_div(pclk_rate, (8 * bpp));
- byte_clk_rate = bit_rate_per_lane;
- do_div(byte_clk_rate, 8);
- pr_debug("bit_clk_rate = %llu, bit_clk_rate_per_lane = %llu\n",
- bit_rate, bit_rate_per_lane);
- pr_debug("byte_clk_rate = %llu, pclk_rate = %llu\n",
- byte_clk_rate, pclk_rate);
-
- dsi_ctrl->clk_freq.byte_clk_rate = byte_clk_rate;
- dsi_ctrl->clk_freq.pix_clk_rate = pclk_rate;
- dsi_ctrl->clk_freq.esc_clk_rate = config->esc_clk_rate_hz;
-
- rc = dsi_clk_set_link_frequencies(clk_handle, dsi_ctrl->clk_freq,
- dsi_ctrl->cell_index);
- if (rc)
- pr_err("Failed to update link frequencies\n");
-
- return rc;
-}
-
-static int dsi_ctrl_enable_supplies(struct dsi_ctrl *dsi_ctrl, bool enable)
-{
- int rc = 0;
-
- if (enable) {
- if (!dsi_ctrl->current_state.host_initialized) {
- rc = dsi_pwr_enable_regulator(
- &dsi_ctrl->pwr_info.host_pwr, true);
- if (rc) {
- pr_err("failed to enable host power regs\n");
- goto error;
- }
- }
-
- rc = dsi_pwr_enable_regulator(&dsi_ctrl->pwr_info.digital,
- true);
- if (rc) {
- pr_err("failed to enable gdsc, rc=%d\n", rc);
- (void)dsi_pwr_enable_regulator(
- &dsi_ctrl->pwr_info.host_pwr,
- false
- );
- goto error;
- }
- } else {
- rc = dsi_pwr_enable_regulator(&dsi_ctrl->pwr_info.digital,
- false);
- if (rc) {
- pr_err("failed to disable gdsc, rc=%d\n", rc);
- goto error;
- }
-
- if (!dsi_ctrl->current_state.host_initialized) {
- rc = dsi_pwr_enable_regulator(
- &dsi_ctrl->pwr_info.host_pwr, false);
- if (rc) {
- pr_err("failed to disable host power regs\n");
- goto error;
- }
- }
- }
-error:
- return rc;
-}
-
-static int dsi_ctrl_copy_and_pad_cmd(struct dsi_ctrl *dsi_ctrl,
- const struct mipi_dsi_packet *packet,
- u8 **buffer,
- u32 *size)
-{
- int rc = 0;
- u8 *buf = NULL;
- u32 len;
-
- len = packet->size;
- len += 0x3; len &= ~0x03; /* Align to 32 bits */
-
- buf = devm_kzalloc(&dsi_ctrl->pdev->dev, len * sizeof(u8), GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- /* MSM specific command format in memory */
- buf[0] = packet->header[1];
- buf[1] = packet->header[2];
- buf[2] = packet->header[0];
- buf[3] = BIT(7);
- if (packet->payload_length > 0)
- buf[3] |= BIT(6);
-
- /* Long packet */
- if (packet->payload && packet->payload_length)
- memcpy(buf + 4, packet->payload, packet->payload_length);
-
- /* Append 0xff to the end */
- if (packet->size < len)
- memset(buf + packet->size, 0xff, len - packet->size);
-
- *buffer = buf;
- *size = len;
-
- return rc;
-}
-
-static void dsi_ctrl_wait_for_video_done(struct dsi_ctrl *dsi_ctrl)
-{
- u32 v_total = 0, v_blank = 0, sleep_ms = 0, fps = 0, ret;
- struct dsi_mode_info *timing;
-
- if (dsi_ctrl->host_config.panel_mode != DSI_OP_VIDEO_MODE)
- return;
-
- dsi_ctrl->hw.ops.clear_interrupt_status(&dsi_ctrl->hw,
- DSI_VIDEO_MODE_FRAME_DONE);
-
- dsi_ctrl_enable_status_interrupt(dsi_ctrl,
- DSI_SINT_VIDEO_MODE_FRAME_DONE, NULL);
- reinit_completion(&dsi_ctrl->irq_info.vid_frame_done);
- ret = wait_for_completion_timeout(
- &dsi_ctrl->irq_info.vid_frame_done,
- msecs_to_jiffies(DSI_CTRL_TX_TO_MS));
- if (ret <= 0)
- pr_debug("wait for video done failed\n");
- dsi_ctrl_disable_status_interrupt(dsi_ctrl,
- DSI_SINT_VIDEO_MODE_FRAME_DONE);
-
- timing = &(dsi_ctrl->host_config.video_timing);
- v_total = timing->v_sync_width + timing->v_back_porch +
- timing->v_front_porch + timing->v_active;
- v_blank = timing->v_sync_width + timing->v_back_porch;
- fps = timing->refresh_rate;
-
- sleep_ms = CEIL((v_blank * 1000), (v_total * fps)) + 1;
- udelay(sleep_ms * 1000);
-}
-
-static int dsi_message_tx(struct dsi_ctrl *dsi_ctrl,
- const struct mipi_dsi_msg *msg,
- u32 flags)
-{
- int rc = 0, ret = 0;
- struct mipi_dsi_packet packet;
- struct dsi_ctrl_cmd_dma_fifo_info cmd;
- struct dsi_ctrl_cmd_dma_info cmd_mem;
- u32 hw_flags = 0;
- u32 length = 0;
- u8 *buffer = NULL;
- u32 cnt = 0;
- u8 *cmdbuf;
-
- rc = mipi_dsi_create_packet(&packet, msg);
- if (rc) {
- pr_err("Failed to create message packet, rc=%d\n", rc);
- goto error;
- }
-
- if (flags & DSI_CTRL_CMD_FETCH_MEMORY) {
- rc = dsi_ctrl_copy_and_pad_cmd(dsi_ctrl,
- &packet,
- &buffer,
- &length);
-
- if (rc) {
- pr_err("[%s] failed to copy message, rc=%d\n",
- dsi_ctrl->name, rc);
- goto error;
- }
-
- cmd_mem.offset = dsi_ctrl->cmd_buffer_iova;
- cmd_mem.length = length;
- cmd_mem.en_broadcast = (flags & DSI_CTRL_CMD_BROADCAST) ?
- true : false;
- cmd_mem.is_master = (flags & DSI_CTRL_CMD_BROADCAST_MASTER) ?
- true : false;
- cmd_mem.use_lpm = (msg->flags & MIPI_DSI_MSG_USE_LPM) ?
- true : false;
-
- cmdbuf = (u8 *)(dsi_ctrl->vaddr);
- for (cnt = 0; cnt < length; cnt++)
- cmdbuf[cnt] = buffer[cnt];
-
- } else if (flags & DSI_CTRL_CMD_FIFO_STORE) {
- rc = dsi_ctrl_copy_and_pad_cmd(dsi_ctrl,
- &packet,
- &buffer,
- &length);
- if (rc) {
- pr_err("[%s] failed to copy message, rc=%d\n",
- dsi_ctrl->name, rc);
- goto error;
- }
- cmd.command = (u32 *)buffer;
- cmd.size = length;
- cmd.en_broadcast = (flags & DSI_CTRL_CMD_BROADCAST) ?
- true : false;
- cmd.is_master = (flags & DSI_CTRL_CMD_BROADCAST_MASTER) ?
- true : false;
- cmd.use_lpm = (msg->flags & MIPI_DSI_MSG_USE_LPM) ?
- true : false;
- }
-
- hw_flags |= (flags & DSI_CTRL_CMD_DEFER_TRIGGER) ?
- DSI_CTRL_HW_CMD_WAIT_FOR_TRIGGER : 0;
-
- if (flags & DSI_CTRL_CMD_DEFER_TRIGGER) {
- if (flags & DSI_CTRL_CMD_FETCH_MEMORY) {
- dsi_ctrl->hw.ops.kickoff_command(&dsi_ctrl->hw,
- &cmd_mem,
- hw_flags);
- } else if (flags & DSI_CTRL_CMD_FIFO_STORE) {
- dsi_ctrl->hw.ops.kickoff_fifo_command(&dsi_ctrl->hw,
- &cmd,
- hw_flags);
- }
- }
-
- if (!(flags & DSI_CTRL_CMD_DEFER_TRIGGER)) {
- dsi_ctrl_wait_for_video_done(dsi_ctrl);
- dsi_ctrl_enable_status_interrupt(dsi_ctrl,
- DSI_SINT_CMD_MODE_DMA_DONE, NULL);
- reinit_completion(&dsi_ctrl->irq_info.cmd_dma_done);
-
- if (flags & DSI_CTRL_CMD_FETCH_MEMORY) {
- dsi_ctrl->hw.ops.kickoff_command(&dsi_ctrl->hw,
- &cmd_mem,
- hw_flags);
- } else if (flags & DSI_CTRL_CMD_FIFO_STORE) {
- dsi_ctrl->hw.ops.kickoff_fifo_command(&dsi_ctrl->hw,
- &cmd,
- hw_flags);
- }
-
- ret = wait_for_completion_timeout(
- &dsi_ctrl->irq_info.cmd_dma_done,
- msecs_to_jiffies(DSI_CTRL_TX_TO_MS));
-
- if (ret == 0) {
- u32 status = 0;
- u32 mask = DSI_CMD_MODE_DMA_DONE;
-
- if (status & mask) {
- status |= (DSI_CMD_MODE_DMA_DONE |
- DSI_BTA_DONE);
- dsi_ctrl->hw.ops.clear_interrupt_status(
- &dsi_ctrl->hw,
- status);
- dsi_ctrl_disable_status_interrupt(dsi_ctrl,
- DSI_SINT_CMD_MODE_DMA_DONE);
- complete_all(&dsi_ctrl->irq_info.cmd_dma_done);
- pr_warn("dma_tx done but irq not triggered\n");
- } else {
- rc = -ETIMEDOUT;
- dsi_ctrl_disable_status_interrupt(dsi_ctrl,
- DSI_SINT_CMD_MODE_DMA_DONE);
- pr_err("[DSI_%d]Command transfer failed\n",
- dsi_ctrl->cell_index);
- }
- }
-
- dsi_ctrl->hw.ops.reset_cmd_fifo(&dsi_ctrl->hw);
- }
-error:
- if (buffer)
- devm_kfree(&dsi_ctrl->pdev->dev, buffer);
- return rc;
-}
-
-static int dsi_set_max_return_size(struct dsi_ctrl *dsi_ctrl,
- const struct mipi_dsi_msg *rx_msg,
- u32 size)
-{
- int rc = 0;
- u8 tx[2] = { (u8)(size & 0xFF), (u8)(size >> 8) };
- struct mipi_dsi_msg msg = {
- .channel = rx_msg->channel,
- .type = MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE,
- .tx_len = 2,
- .tx_buf = tx,
- };
-
- rc = dsi_message_tx(dsi_ctrl, &msg, 0x0);
- if (rc)
- pr_err("failed to send max return size packet, rc=%d\n", rc);
-
- return rc;
-}
-
-static int dsi_message_rx(struct dsi_ctrl *dsi_ctrl,
- const struct mipi_dsi_msg *msg,
- u32 flags)
-{
- int rc = 0;
- u32 rd_pkt_size;
- u32 total_read_len;
- u32 bytes_read = 0, tot_bytes_read = 0;
- u32 current_read_len;
- bool short_resp = false;
- bool read_done = false;
-
- if (msg->rx_len <= 2) {
- short_resp = true;
- rd_pkt_size = msg->rx_len;
- total_read_len = 4;
- } else {
- short_resp = false;
- current_read_len = 10;
- if (msg->rx_len < current_read_len)
- rd_pkt_size = msg->rx_len;
- else
- rd_pkt_size = current_read_len;
-
- total_read_len = current_read_len + 6;
- }
-
- while (!read_done) {
- rc = dsi_set_max_return_size(dsi_ctrl, msg, rd_pkt_size);
- if (rc) {
- pr_err("Failed to set max return packet size, rc=%d\n",
- rc);
- goto error;
- }
-
- rc = dsi_message_tx(dsi_ctrl, msg, flags);
- if (rc) {
- pr_err("Message transmission failed, rc=%d\n", rc);
- goto error;
- }
-
-
- tot_bytes_read += bytes_read;
- if (short_resp)
- read_done = true;
- else if (msg->rx_len <= tot_bytes_read)
- read_done = true;
- }
-error:
- return rc;
-}
-
-
-static int dsi_enable_ulps(struct dsi_ctrl *dsi_ctrl)
-{
- int rc = 0;
- u32 lanes = 0;
- u32 ulps_lanes;
-
- if (dsi_ctrl->host_config.panel_mode == DSI_OP_CMD_MODE)
- lanes = dsi_ctrl->host_config.common_config.data_lanes;
-
- rc = dsi_ctrl->hw.ops.wait_for_lane_idle(&dsi_ctrl->hw, lanes);
- if (rc) {
- pr_err("lanes not entering idle, skip ULPS\n");
- return rc;
- }
-
- if (!dsi_ctrl->hw.ops.ulps_ops.ulps_request ||
- !dsi_ctrl->hw.ops.ulps_ops.ulps_exit) {
- pr_debug("DSI controller ULPS ops not present\n");
- return 0;
- }
-
- lanes |= DSI_CLOCK_LANE;
- dsi_ctrl->hw.ops.ulps_ops.ulps_request(&dsi_ctrl->hw, lanes);
-
- ulps_lanes = dsi_ctrl->hw.ops.ulps_ops.get_lanes_in_ulps(&dsi_ctrl->hw);
-
- if ((lanes & ulps_lanes) != lanes) {
- pr_err("Failed to enter ULPS, request=0x%x, actual=0x%x\n",
- lanes, ulps_lanes);
- rc = -EIO;
- }
-
- return rc;
-}
-
-static int dsi_disable_ulps(struct dsi_ctrl *dsi_ctrl)
-{
- int rc = 0;
- u32 ulps_lanes, lanes = 0;
-
- dsi_ctrl->hw.ops.clear_phy0_ln_err(&dsi_ctrl->hw);
-
- if (!dsi_ctrl->hw.ops.ulps_ops.ulps_request ||
- !dsi_ctrl->hw.ops.ulps_ops.ulps_exit) {
- pr_debug("DSI controller ULPS ops not present\n");
- return 0;
- }
-
- if (dsi_ctrl->host_config.panel_mode == DSI_OP_CMD_MODE)
- lanes = dsi_ctrl->host_config.common_config.data_lanes;
-
- lanes |= DSI_CLOCK_LANE;
-
- ulps_lanes = dsi_ctrl->hw.ops.ulps_ops.get_lanes_in_ulps(&dsi_ctrl->hw);
-
- if ((lanes & ulps_lanes) != lanes)
- pr_err("Mismatch between lanes in ULPS\n");
-
- lanes &= ulps_lanes;
-
- dsi_ctrl->hw.ops.ulps_ops.ulps_exit(&dsi_ctrl->hw, lanes);
-
- ulps_lanes = dsi_ctrl->hw.ops.ulps_ops.get_lanes_in_ulps(&dsi_ctrl->hw);
- if (ulps_lanes & lanes) {
- pr_err("Lanes (0x%x) stuck in ULPS\n", ulps_lanes);
- rc = -EIO;
- }
-
- return rc;
-}
-
-static int dsi_ctrl_drv_state_init(struct dsi_ctrl *dsi_ctrl)
-{
- int rc = 0;
- bool splash_enabled = false;
- struct dsi_ctrl_state_info *state = &dsi_ctrl->current_state;
-
- if (!splash_enabled) {
- state->power_state = DSI_CTRL_POWER_VREG_OFF;
- state->cmd_engine_state = DSI_CTRL_ENGINE_OFF;
- state->vid_engine_state = DSI_CTRL_ENGINE_OFF;
- }
-
- return rc;
-}
-
-static int dsi_ctrl_buffer_deinit(struct dsi_ctrl *dsi_ctrl)
-{
- struct msm_gem_address_space *aspace = NULL;
-
- if (dsi_ctrl->tx_cmd_buf) {
- aspace = dsi_ctrl_get_aspace(dsi_ctrl,
- MSM_SMMU_DOMAIN_UNSECURE);
- if (!aspace) {
- pr_err("failed to get address space\n");
- return -ENOMEM;
- }
-
- msm_gem_put_iova(dsi_ctrl->tx_cmd_buf, aspace);
-
- mutex_lock(&dsi_ctrl->drm_dev->struct_mutex);
- msm_gem_free_object(dsi_ctrl->tx_cmd_buf);
- mutex_unlock(&dsi_ctrl->drm_dev->struct_mutex);
- dsi_ctrl->tx_cmd_buf = NULL;
- }
-
- return 0;
-}
-
-int dsi_ctrl_buffer_init(struct dsi_ctrl *dsi_ctrl)
-{
- int rc = 0;
- u64 iova = 0;
- struct msm_gem_address_space *aspace = NULL;
-
- aspace = dsi_ctrl_get_aspace(dsi_ctrl, MSM_SMMU_DOMAIN_UNSECURE);
- if (!aspace) {
- pr_err("failed to get address space\n");
- return -ENOMEM;
- }
-
- dsi_ctrl->tx_cmd_buf = msm_gem_new(dsi_ctrl->drm_dev,
- SZ_4K,
- MSM_BO_UNCACHED);
-
- if (IS_ERR(dsi_ctrl->tx_cmd_buf)) {
- rc = PTR_ERR(dsi_ctrl->tx_cmd_buf);
- pr_err("failed to allocate gem, rc=%d\n", rc);
- dsi_ctrl->tx_cmd_buf = NULL;
- goto error;
- }
-
- dsi_ctrl->cmd_buffer_size = SZ_4K;
-
- rc = msm_gem_get_iova(dsi_ctrl->tx_cmd_buf, aspace, &iova);
- if (rc) {
- pr_err("failed to get iova, rc=%d\n", rc);
- (void)dsi_ctrl_buffer_deinit(dsi_ctrl);
- goto error;
- }
-
- if (iova & 0x07) {
- pr_err("Tx command buffer is not 8 byte aligned\n");
- rc = -ENOTSUPP;
- (void)dsi_ctrl_buffer_deinit(dsi_ctrl);
- goto error;
- }
-error:
- return rc;
-}
-
-static int dsi_enable_io_clamp(struct dsi_ctrl *dsi_ctrl,
- bool enable, bool ulps_enabled)
-{
- u32 lanes = 0;
-
- if (dsi_ctrl->host_config.panel_mode == DSI_OP_CMD_MODE)
- lanes = dsi_ctrl->host_config.common_config.data_lanes;
-
- lanes |= DSI_CLOCK_LANE;
-
- if (enable)
- dsi_ctrl->hw.ops.clamp_enable(&dsi_ctrl->hw,
- lanes, ulps_enabled);
- else
- dsi_ctrl->hw.ops.clamp_disable(&dsi_ctrl->hw,
- lanes, ulps_enabled);
-
- return 0;
-}
-
-static int dsi_ctrl_dts_parse(struct dsi_ctrl *dsi_ctrl,
- struct device_node *of_node)
-{
- u32 index = 0;
- int rc = 0;
-
- if (!dsi_ctrl || !of_node) {
- pr_err("invalid dsi_ctrl:%d or of_node:%d\n",
- dsi_ctrl != NULL, of_node != NULL);
- return -EINVAL;
- }
-
- rc = of_property_read_u32(of_node, "cell-index", &index);
- if (rc) {
- pr_debug("cell index not set, default to 0\n");
- index = 0;
- }
-
- dsi_ctrl->cell_index = index;
- dsi_ctrl->name = of_get_property(of_node, "label", NULL);
- if (!dsi_ctrl->name)
- dsi_ctrl->name = DSI_CTRL_DEFAULT_LABEL;
-
- dsi_ctrl->phy_isolation_enabled = of_property_read_bool(of_node,
- "qcom,dsi-phy-isolation-enabled");
-
- return 0;
-}
-
-static int dsi_ctrl_dev_probe(struct platform_device *pdev)
-{
- struct dsi_ctrl *dsi_ctrl;
- struct dsi_ctrl_list_item *item;
- const struct of_device_id *id;
- enum dsi_ctrl_version version;
- int rc = 0;
-
- id = of_match_node(msm_dsi_of_match, pdev->dev.of_node);
- if (!id)
- return -ENODEV;
-
- version = *(enum dsi_ctrl_version *)id->data;
-
- item = devm_kzalloc(&pdev->dev, sizeof(*item), GFP_KERNEL);
- if (!item)
- return -ENOMEM;
-
- dsi_ctrl = devm_kzalloc(&pdev->dev, sizeof(*dsi_ctrl), GFP_KERNEL);
- if (!dsi_ctrl)
- return -ENOMEM;
-
- dsi_ctrl->version = version;
- dsi_ctrl->irq_info.irq_num = -1;
- dsi_ctrl->irq_info.irq_stat_mask = 0x0;
-
- spin_lock_init(&dsi_ctrl->irq_info.irq_lock);
-
- rc = dsi_ctrl_dts_parse(dsi_ctrl, pdev->dev.of_node);
- if (rc) {
- pr_err("ctrl:%d dts parse failed, rc = %d\n",
- dsi_ctrl->cell_index, rc);
- goto fail;
- }
-
- rc = dsi_ctrl_init_regmap(pdev, dsi_ctrl);
- if (rc) {
- pr_err("Failed to parse register information, rc = %d\n", rc);
- goto fail;
- }
-
- rc = dsi_ctrl_clocks_init(pdev, dsi_ctrl);
- if (rc) {
- pr_err("Failed to parse clock information, rc = %d\n", rc);
- goto fail;
- }
-
- rc = dsi_ctrl_supplies_init(pdev, dsi_ctrl);
- if (rc) {
- pr_err("Failed to parse voltage supplies, rc = %d\n", rc);
- goto fail_clks;
- }
-
- rc = dsi_catalog_ctrl_setup(&dsi_ctrl->hw, dsi_ctrl->version,
- dsi_ctrl->cell_index, dsi_ctrl->phy_isolation_enabled);
- if (rc) {
- pr_err("Catalog does not support version (%d)\n",
- dsi_ctrl->version);
- goto fail_supplies;
- }
-
- rc = dsi_ctrl_axi_bus_client_init(pdev, dsi_ctrl);
- if (rc)
- pr_debug("failed to init axi bus client, rc = %d\n", rc);
-
- item->ctrl = dsi_ctrl;
-
- mutex_lock(&dsi_ctrl_list_lock);
- list_add(&item->list, &dsi_ctrl_list);
- mutex_unlock(&dsi_ctrl_list_lock);
-
- mutex_init(&dsi_ctrl->ctrl_lock);
-
- dsi_ctrl->pdev = pdev;
- platform_set_drvdata(pdev, dsi_ctrl);
- pr_info("Probe successful for %s\n", dsi_ctrl->name);
-
- return 0;
-
-fail_supplies:
- (void)dsi_ctrl_supplies_deinit(dsi_ctrl);
-fail_clks:
- (void)dsi_ctrl_clocks_deinit(dsi_ctrl);
-fail:
- return rc;
-}
-
-static int dsi_ctrl_dev_remove(struct platform_device *pdev)
-{
- int rc = 0;
- struct dsi_ctrl *dsi_ctrl;
- struct list_head *pos, *tmp;
-
- dsi_ctrl = platform_get_drvdata(pdev);
-
- mutex_lock(&dsi_ctrl_list_lock);
- list_for_each_safe(pos, tmp, &dsi_ctrl_list) {
- struct dsi_ctrl_list_item *n = list_entry(pos,
- struct dsi_ctrl_list_item,
- list);
- if (n->ctrl == dsi_ctrl) {
- list_del(&n->list);
- break;
- }
- }
- mutex_unlock(&dsi_ctrl_list_lock);
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
- rc = dsi_ctrl_axi_bus_client_deinit(dsi_ctrl);
- if (rc)
- pr_err("failed to deinitialize axi bus client, rc = %d\n", rc);
-
- rc = dsi_ctrl_supplies_deinit(dsi_ctrl);
- if (rc)
- pr_err("failed to deinitialize voltage supplies, rc=%d\n", rc);
-
- rc = dsi_ctrl_clocks_deinit(dsi_ctrl);
- if (rc)
- pr_err("failed to deinitialize clocks, rc=%d\n", rc);
-
- mutex_unlock(&dsi_ctrl->ctrl_lock);
-
- mutex_destroy(&dsi_ctrl->ctrl_lock);
- devm_kfree(&pdev->dev, dsi_ctrl);
-
- platform_set_drvdata(pdev, NULL);
- return 0;
-}
-
-static struct platform_driver dsi_ctrl_driver = {
- .probe = dsi_ctrl_dev_probe,
- .remove = dsi_ctrl_dev_remove,
- .driver = {
- .name = "drm_dsi_ctrl",
- .of_match_table = msm_dsi_of_match,
- },
-};
-
-#if defined(CONFIG_DEBUG_FS)
-
-void dsi_ctrl_debug_dump(void)
-{
- struct list_head *pos, *tmp;
- struct dsi_ctrl *ctrl = NULL;
-
- mutex_lock(&dsi_ctrl_list_lock);
- list_for_each_safe(pos, tmp, &dsi_ctrl_list) {
- struct dsi_ctrl_list_item *n;
-
- n = list_entry(pos, struct dsi_ctrl_list_item, list);
- ctrl = n->ctrl;
- pr_err("dsi ctrl:%d\n", ctrl->cell_index);
- ctrl->hw.ops.debug_bus(&ctrl->hw);
- }
- mutex_unlock(&dsi_ctrl_list_lock);
-}
-
-#endif
-/**
- * dsi_ctrl_get() - get a dsi_ctrl handle from an of_node
- * @of_node: of_node of the DSI controller.
- *
- * Gets the DSI controller handle for the corresponding of_node. The ref count
- * is incremented to one and all subsequent gets will fail until the original
- * clients calls a put.
- *
- * Return: DSI Controller handle.
- */
-struct dsi_ctrl *dsi_ctrl_get(struct device_node *of_node)
-{
- struct list_head *pos, *tmp;
- struct dsi_ctrl *ctrl = NULL;
-
- mutex_lock(&dsi_ctrl_list_lock);
- list_for_each_safe(pos, tmp, &dsi_ctrl_list) {
- struct dsi_ctrl_list_item *n;
-
- n = list_entry(pos, struct dsi_ctrl_list_item, list);
- if (n->ctrl->pdev->dev.of_node == of_node) {
- ctrl = n->ctrl;
- break;
- }
- }
- mutex_unlock(&dsi_ctrl_list_lock);
-
- if (!ctrl) {
- pr_err("Device with of node not found\n");
- ctrl = ERR_PTR(-EPROBE_DEFER);
- return ctrl;
- }
-
- mutex_lock(&ctrl->ctrl_lock);
- if (ctrl->refcount == 1) {
- pr_err("[%s] Device in use\n", ctrl->name);
- ctrl = ERR_PTR(-EBUSY);
- } else {
- ctrl->refcount++;
- }
- mutex_unlock(&ctrl->ctrl_lock);
- return ctrl;
-}
-
-/**
- * dsi_ctrl_put() - releases a dsi controller handle.
- * @dsi_ctrl: DSI controller handle.
- *
- * Releases the DSI controller. Driver will clean up all resources and puts back
- * the DSI controller into reset state.
- */
-void dsi_ctrl_put(struct dsi_ctrl *dsi_ctrl)
-{
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- if (dsi_ctrl->refcount == 0)
- pr_err("Unbalanced %s call\n", __func__);
- else
- dsi_ctrl->refcount--;
-
- mutex_unlock(&dsi_ctrl->ctrl_lock);
-}
-
-/**
- * dsi_ctrl_drv_init() - initialize dsi controller driver.
- * @dsi_ctrl: DSI controller handle.
- * @parent: Parent directory for debug fs.
- *
- * Initializes DSI controller driver. Driver should be initialized after
- * dsi_ctrl_get() succeeds.
- *
- * Return: error code.
- */
-int dsi_ctrl_drv_init(struct dsi_ctrl *dsi_ctrl, struct dentry *parent)
-{
- int rc = 0;
-
- if (!dsi_ctrl || !parent) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
- rc = dsi_ctrl_drv_state_init(dsi_ctrl);
- if (rc) {
- pr_err("Failed to initialize driver state, rc=%d\n", rc);
- goto error;
- }
-
- rc = dsi_ctrl_debugfs_init(dsi_ctrl, parent);
- if (rc) {
- pr_err("[DSI_%d] failed to init debug fs, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto error;
- }
-
-error:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_drv_deinit() - de-initializes dsi controller driver
- * @dsi_ctrl: DSI controller handle.
- *
- * Releases all resources acquired by dsi_ctrl_drv_init().
- *
- * Return: error code.
- */
-int dsi_ctrl_drv_deinit(struct dsi_ctrl *dsi_ctrl)
-{
- int rc = 0;
-
- if (!dsi_ctrl) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- rc = dsi_ctrl_debugfs_deinit(dsi_ctrl);
- if (rc)
- pr_err("failed to release debugfs root, rc=%d\n", rc);
-
- rc = dsi_ctrl_buffer_deinit(dsi_ctrl);
- if (rc)
- pr_err("Failed to free cmd buffers, rc=%d\n", rc);
-
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-int dsi_ctrl_clk_cb_register(struct dsi_ctrl *dsi_ctrl,
- struct clk_ctrl_cb *clk_cb)
-{
- if (!dsi_ctrl || !clk_cb) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- dsi_ctrl->clk_cb.priv = clk_cb->priv;
- dsi_ctrl->clk_cb.dsi_clk_cb = clk_cb->dsi_clk_cb;
- return 0;
-}
-
-/**
- * dsi_ctrl_phy_sw_reset() - perform a PHY software reset
- * @dsi_ctrl: DSI controller handle.
- *
- * Performs a PHY software reset on the DSI controller. Reset should be done
- * when the controller power state is DSI_CTRL_POWER_CORE_CLK_ON and the PHY is
- * not enabled.
- *
- * This function will fail if driver is in any other state.
- *
- * Return: error code.
- */
-int dsi_ctrl_phy_sw_reset(struct dsi_ctrl *dsi_ctrl)
-{
- int rc = 0;
-
- if (!dsi_ctrl) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
- rc = dsi_ctrl_check_state(dsi_ctrl, DSI_CTRL_OP_PHY_SW_RESET, 0x0);
- if (rc) {
- pr_err("[DSI_%d] Controller state check failed, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto error;
- }
-
- dsi_ctrl->hw.ops.phy_sw_reset(&dsi_ctrl->hw);
-
- pr_debug("[DSI_%d] PHY soft reset done\n", dsi_ctrl->cell_index);
- dsi_ctrl_update_state(dsi_ctrl, DSI_CTRL_OP_PHY_SW_RESET, 0x0);
-error:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_seamless_timing_update() - update only controller timing
- * @dsi_ctrl: DSI controller handle.
- * @timing: New DSI timing info
- *
- * Updates host timing values to conduct a seamless transition to new timing
- * For example, to update the porch values in a dynamic fps switch.
- *
- * Return: error code.
- */
-int dsi_ctrl_async_timing_update(struct dsi_ctrl *dsi_ctrl,
- struct dsi_mode_info *timing)
-{
- struct dsi_mode_info *host_mode;
- int rc = 0;
-
- if (!dsi_ctrl || !timing) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- rc = dsi_ctrl_check_state(dsi_ctrl, DSI_CTRL_OP_ASYNC_TIMING,
- DSI_CTRL_ENGINE_ON);
- if (rc) {
- pr_err("[DSI_%d] Controller state check failed, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto exit;
- }
-
- host_mode = &dsi_ctrl->host_config.video_timing;
- memcpy(host_mode, timing, sizeof(*host_mode));
- dsi_ctrl->hw.ops.set_timing_db(&dsi_ctrl->hw, true);
- dsi_ctrl->hw.ops.set_video_timing(&dsi_ctrl->hw, host_mode);
-
-exit:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_timing_db_update() - update only controller Timing DB
- * @dsi_ctrl: DSI controller handle.
- * @enable: Enable/disable Timing DB register
- *
- * Update timing db register value during dfps usecases
- *
- * Return: error code.
- */
-int dsi_ctrl_timing_db_update(struct dsi_ctrl *dsi_ctrl,
- bool enable)
-{
- int rc = 0;
-
- if (!dsi_ctrl) {
- pr_err("Invalid dsi_ctrl\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- rc = dsi_ctrl_check_state(dsi_ctrl, DSI_CTRL_OP_ASYNC_TIMING,
- DSI_CTRL_ENGINE_ON);
- if (rc) {
- pr_err("[DSI_%d] Controller state check failed, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto exit;
- }
-
- /*
- * Add HW recommended delay for dfps feature.
- * When prefetch is enabled, MDSS HW works on 2 vsync
- * boundaries i.e. mdp_vsync and panel_vsync.
- * In the current implementation we are only waiting
- * for mdp_vsync. We need to make sure that interface
- * flush is after panel_vsync. So, added the recommended
- * delays after dfps update.
- */
- usleep_range(2000, 2010);
-
- dsi_ctrl->hw.ops.set_timing_db(&dsi_ctrl->hw, enable);
-
-exit:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-int dsi_ctrl_setup(struct dsi_ctrl *dsi_ctrl)
-{
- int rc = 0;
-
- if (!dsi_ctrl) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- dsi_ctrl->hw.ops.setup_lane_map(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.lane_map);
-
- dsi_ctrl->hw.ops.host_setup(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.common_config);
-
- if (dsi_ctrl->host_config.panel_mode == DSI_OP_CMD_MODE) {
- dsi_ctrl->hw.ops.cmd_engine_setup(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.common_config,
- &dsi_ctrl->host_config.u.cmd_engine);
-
- dsi_ctrl->hw.ops.setup_cmd_stream(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.video_timing,
- dsi_ctrl->host_config.video_timing.h_active * 3,
- 0x0,
- &dsi_ctrl->roi);
- dsi_ctrl->hw.ops.cmd_engine_en(&dsi_ctrl->hw, true);
- } else {
- dsi_ctrl->hw.ops.video_engine_setup(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.common_config,
- &dsi_ctrl->host_config.u.video_engine);
- dsi_ctrl->hw.ops.set_video_timing(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.video_timing);
- dsi_ctrl->hw.ops.video_engine_en(&dsi_ctrl->hw, true);
- }
-
- dsi_ctrl->hw.ops.enable_status_interrupts(&dsi_ctrl->hw, 0x0);
- dsi_ctrl->hw.ops.enable_error_interrupts(&dsi_ctrl->hw, 0x0);
- dsi_ctrl->hw.ops.ctrl_en(&dsi_ctrl->hw, true);
-
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_phy_reset_config() - Mask/unmask propagation of ahb reset signal
- * to DSI PHY hardware.
- * @dsi_ctrl: DSI controller handle.
- * @enable: Mask/unmask the PHY reset signal.
- *
- * Return: error code.
- */
-int dsi_ctrl_phy_reset_config(struct dsi_ctrl *dsi_ctrl, bool enable)
-{
- if (!dsi_ctrl) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- if (dsi_ctrl->hw.ops.phy_reset_config)
- dsi_ctrl->hw.ops.phy_reset_config(&dsi_ctrl->hw, enable);
-
- return 0;
-}
-
-static void dsi_ctrl_handle_error_status(struct dsi_ctrl *dsi_ctrl,
- unsigned long int error)
-{
- pr_err("%s: %lu\n", __func__, error);
-
- /* DTLN PHY error */
- if (error & 0x3000e00)
- if (dsi_ctrl->hw.ops.clear_error_status)
- dsi_ctrl->hw.ops.clear_error_status(&dsi_ctrl->hw,
- 0x3000e00);
-
- /* DSI FIFO OVERFLOW error */
- if (error & 0xf0000) {
- if (dsi_ctrl->hw.ops.clear_error_status)
- dsi_ctrl->hw.ops.clear_error_status(&dsi_ctrl->hw,
- 0xf0000);
- }
-
- /* DSI FIFO UNDERFLOW error */
- if (error & 0xf00000) {
- if (dsi_ctrl->hw.ops.clear_error_status)
- dsi_ctrl->hw.ops.clear_error_status(&dsi_ctrl->hw,
- 0xf00000);
- }
-
- /* DSI PLL UNLOCK error */
- if (error & BIT(8))
- if (dsi_ctrl->hw.ops.clear_error_status)
- dsi_ctrl->hw.ops.clear_error_status(&dsi_ctrl->hw,
- BIT(8));
-}
-
-/**
- * dsi_ctrl_isr - interrupt service routine for DSI CTRL component
- * @irq: Incoming IRQ number
- * @ptr: Pointer to user data structure (struct dsi_ctrl)
- * Returns: IRQ_HANDLED if no further action required
- */
-static irqreturn_t dsi_ctrl_isr(int irq, void *ptr)
-{
- struct dsi_ctrl *dsi_ctrl;
- struct dsi_event_cb_info cb_info;
- unsigned long flags;
- uint32_t cell_index, status, i;
- uint64_t errors;
-
- if (!ptr)
- return IRQ_NONE;
- dsi_ctrl = ptr;
-
- /* clear status interrupts */
- if (dsi_ctrl->hw.ops.get_interrupt_status)
- status = dsi_ctrl->hw.ops.get_interrupt_status(&dsi_ctrl->hw);
- else
- status = 0x0;
-
- if (dsi_ctrl->hw.ops.clear_interrupt_status)
- dsi_ctrl->hw.ops.clear_interrupt_status(&dsi_ctrl->hw, status);
-
- spin_lock_irqsave(&dsi_ctrl->irq_info.irq_lock, flags);
- cell_index = dsi_ctrl->cell_index;
- spin_unlock_irqrestore(&dsi_ctrl->irq_info.irq_lock, flags);
-
- /* clear error interrupts */
- if (dsi_ctrl->hw.ops.get_error_status)
- errors = dsi_ctrl->hw.ops.get_error_status(&dsi_ctrl->hw);
- else
- errors = 0x0;
-
- if (errors) {
- /* handle DSI error recovery */
- dsi_ctrl_handle_error_status(dsi_ctrl, errors);
- if (dsi_ctrl->hw.ops.clear_error_status)
- dsi_ctrl->hw.ops.clear_error_status(&dsi_ctrl->hw,
- errors);
- }
-
- if (status & DSI_CMD_MODE_DMA_DONE) {
- dsi_ctrl_disable_status_interrupt(dsi_ctrl,
- DSI_SINT_CMD_MODE_DMA_DONE);
- complete_all(&dsi_ctrl->irq_info.cmd_dma_done);
- }
-
- if (status & DSI_CMD_FRAME_DONE) {
- dsi_ctrl_disable_status_interrupt(dsi_ctrl,
- DSI_SINT_CMD_FRAME_DONE);
- complete_all(&dsi_ctrl->irq_info.cmd_frame_done);
- }
-
- if (status & DSI_VIDEO_MODE_FRAME_DONE) {
- dsi_ctrl_disable_status_interrupt(dsi_ctrl,
- DSI_SINT_VIDEO_MODE_FRAME_DONE);
- complete_all(&dsi_ctrl->irq_info.vid_frame_done);
- }
-
- if (status & DSI_BTA_DONE) {
- dsi_ctrl_disable_status_interrupt(dsi_ctrl,
- DSI_SINT_BTA_DONE);
- complete_all(&dsi_ctrl->irq_info.bta_done);
- }
-
- for (i = 0; status && i < DSI_STATUS_INTERRUPT_COUNT; ++i) {
- if (status & 0x1) {
- spin_lock_irqsave(&dsi_ctrl->irq_info.irq_lock, flags);
- cb_info = dsi_ctrl->irq_info.irq_stat_cb[i];
- spin_unlock_irqrestore(
- &dsi_ctrl->irq_info.irq_lock, flags);
-
- if (cb_info.event_cb)
- (void)cb_info.event_cb(cb_info.event_usr_ptr,
- cb_info.event_idx,
- cell_index, irq, 0, 0, 0);
- }
- status >>= 1;
- }
-
- return IRQ_HANDLED;
-}
-
-/**
- * _dsi_ctrl_setup_isr - register ISR handler
- * @dsi_ctrl: Pointer to associated dsi_ctrl structure
- * Returns: Zero on success
- */
-static int dsi_ctrl_setup_isr(struct dsi_ctrl *dsi_ctrl)
-{
- int irq_num, rc;
-
- if (!dsi_ctrl)
- return -EINVAL;
- if (dsi_ctrl->irq_info.irq_num != -1)
- return 0;
-
- init_completion(&dsi_ctrl->irq_info.cmd_dma_done);
- init_completion(&dsi_ctrl->irq_info.vid_frame_done);
- init_completion(&dsi_ctrl->irq_info.cmd_frame_done);
- init_completion(&dsi_ctrl->irq_info.bta_done);
-
- irq_num = platform_get_irq(dsi_ctrl->pdev, 0);
- if (irq_num < 0) {
- pr_err("[DSI_%d] Failed to get IRQ number, %d\n",
- dsi_ctrl->cell_index, irq_num);
- rc = irq_num;
- } else {
- rc = devm_request_threaded_irq(&dsi_ctrl->pdev->dev, irq_num,
- dsi_ctrl_isr, NULL, 0, "dsi_ctrl", dsi_ctrl);
- if (rc) {
- pr_err("[DSI_%d] Failed to request IRQ, %d\n",
- dsi_ctrl->cell_index, rc);
- } else {
- dsi_ctrl->irq_info.irq_num = irq_num;
- disable_irq_nosync(irq_num);
-
- pr_debug("[DSI_%d] IRQ %d registered\n",
- dsi_ctrl->cell_index, irq_num);
- }
- }
- return rc;
-}
-
-/**
- * _dsi_ctrl_destroy_isr - unregister ISR handler
- * @dsi_ctrl: Pointer to associated dsi_ctrl structure
- */
-static void _dsi_ctrl_destroy_isr(struct dsi_ctrl *dsi_ctrl)
-{
- if (!dsi_ctrl || !dsi_ctrl->pdev || dsi_ctrl->irq_info.irq_num < 0)
- return;
-
- if (dsi_ctrl->irq_info.irq_num != -1) {
- devm_free_irq(&dsi_ctrl->pdev->dev,
- dsi_ctrl->irq_info.irq_num, dsi_ctrl);
- dsi_ctrl->irq_info.irq_num = -1;
- }
-}
-
-void dsi_ctrl_enable_status_interrupt(struct dsi_ctrl *dsi_ctrl,
- uint32_t intr_idx, struct dsi_event_cb_info *event_info)
-{
- unsigned long flags;
-
- if (!dsi_ctrl || dsi_ctrl->irq_info.irq_num == -1 ||
- intr_idx >= DSI_STATUS_INTERRUPT_COUNT)
- return;
-
- spin_lock_irqsave(&dsi_ctrl->irq_info.irq_lock, flags);
-
- if (dsi_ctrl->irq_info.irq_stat_refcount[intr_idx] == 0) {
- /* enable irq on first request */
- if (dsi_ctrl->irq_info.irq_stat_mask == 0)
- enable_irq(dsi_ctrl->irq_info.irq_num);
-
- /* update hardware mask */
- dsi_ctrl->irq_info.irq_stat_mask |= BIT(intr_idx);
- dsi_ctrl->hw.ops.enable_status_interrupts(&dsi_ctrl->hw,
- dsi_ctrl->irq_info.irq_stat_mask);
- }
- ++(dsi_ctrl->irq_info.irq_stat_refcount[intr_idx]);
-
- if (event_info)
- dsi_ctrl->irq_info.irq_stat_cb[intr_idx] = *event_info;
-
- spin_unlock_irqrestore(&dsi_ctrl->irq_info.irq_lock, flags);
-}
-
-void dsi_ctrl_disable_status_interrupt(struct dsi_ctrl *dsi_ctrl,
- uint32_t intr_idx)
-{
- unsigned long flags;
-
- if (!dsi_ctrl || dsi_ctrl->irq_info.irq_num == -1 ||
- intr_idx >= DSI_STATUS_INTERRUPT_COUNT)
- return;
-
- spin_lock_irqsave(&dsi_ctrl->irq_info.irq_lock, flags);
-
- if (dsi_ctrl->irq_info.irq_stat_refcount[intr_idx])
- if (--(dsi_ctrl->irq_info.irq_stat_refcount[intr_idx]) == 0) {
- dsi_ctrl->irq_info.irq_stat_mask &= ~BIT(intr_idx);
- dsi_ctrl->hw.ops.enable_status_interrupts(&dsi_ctrl->hw,
- dsi_ctrl->irq_info.irq_stat_mask);
-
- /* don't need irq if no lines are enabled */
- if (dsi_ctrl->irq_info.irq_stat_mask == 0)
- disable_irq_nosync(dsi_ctrl->irq_info.irq_num);
- }
-
- spin_unlock_irqrestore(&dsi_ctrl->irq_info.irq_lock, flags);
-}
-
-int dsi_ctrl_host_timing_update(struct dsi_ctrl *dsi_ctrl)
-{
- if (!dsi_ctrl) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- if (dsi_ctrl->hw.ops.host_setup)
- dsi_ctrl->hw.ops.host_setup(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.common_config);
-
- if (dsi_ctrl->host_config.panel_mode == DSI_OP_CMD_MODE) {
- if (dsi_ctrl->hw.ops.cmd_engine_setup)
- dsi_ctrl->hw.ops.cmd_engine_setup(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.common_config,
- &dsi_ctrl->host_config.u.cmd_engine);
-
- if (dsi_ctrl->hw.ops.setup_cmd_stream)
- dsi_ctrl->hw.ops.setup_cmd_stream(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.video_timing,
- dsi_ctrl->host_config.video_timing.h_active * 3,
- 0x0, NULL);
- } else {
- pr_err("invalid panel mode for resolution switch\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-/**
- * dsi_ctrl_host_init() - Initialize DSI host hardware.
- * @dsi_ctrl: DSI controller handle.
- *
- * Initializes DSI controller hardware with host configuration provided by
- * dsi_ctrl_update_host_config(). Initialization can be performed only during
- * DSI_CTRL_POWER_CORE_CLK_ON state and after the PHY SW reset has been
- * performed.
- *
- * Return: error code.
- */
-int dsi_ctrl_host_init(struct dsi_ctrl *dsi_ctrl)
-{
- int rc = 0;
-
- if (!dsi_ctrl) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
- rc = dsi_ctrl_check_state(dsi_ctrl, DSI_CTRL_OP_HOST_INIT, 0x1);
- if (rc) {
- pr_err("[DSI_%d] Controller state check failed, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto error;
- }
-
- dsi_ctrl->hw.ops.setup_lane_map(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.lane_map);
-
- dsi_ctrl->hw.ops.host_setup(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.common_config);
-
- if (dsi_ctrl->host_config.panel_mode == DSI_OP_CMD_MODE) {
- dsi_ctrl->hw.ops.cmd_engine_setup(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.common_config,
- &dsi_ctrl->host_config.u.cmd_engine);
-
- dsi_ctrl->hw.ops.setup_cmd_stream(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.video_timing,
- dsi_ctrl->host_config.video_timing.h_active * 3,
- 0x0,
- NULL);
- } else {
- dsi_ctrl->hw.ops.video_engine_setup(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.common_config,
- &dsi_ctrl->host_config.u.video_engine);
- dsi_ctrl->hw.ops.set_video_timing(&dsi_ctrl->hw,
- &dsi_ctrl->host_config.video_timing);
- }
-
- dsi_ctrl_setup_isr(dsi_ctrl);
-
- dsi_ctrl->hw.ops.enable_status_interrupts(&dsi_ctrl->hw, 0x0);
- dsi_ctrl->hw.ops.enable_error_interrupts(&dsi_ctrl->hw, 0x0);
-
- pr_debug("[DSI_%d]Host initialization complete\n",
- dsi_ctrl->cell_index);
- dsi_ctrl_update_state(dsi_ctrl, DSI_CTRL_OP_HOST_INIT, 0x1);
-error:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-int dsi_ctrl_soft_reset(struct dsi_ctrl *dsi_ctrl)
-{
- if (!dsi_ctrl)
- return -EINVAL;
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
- dsi_ctrl->hw.ops.soft_reset(&dsi_ctrl->hw);
- mutex_unlock(&dsi_ctrl->ctrl_lock);
-
- pr_debug("[DSI_%d]Soft reset complete\n", dsi_ctrl->cell_index);
- return 0;
-}
-
-/**
- * dsi_ctrl_host_deinit() - De-Initialize DSI host hardware.
- * @dsi_ctrl: DSI controller handle.
- *
- * De-initializes DSI controller hardware. It can be performed only during
- * DSI_CTRL_POWER_CORE_CLK_ON state after LINK clocks have been turned off.
- *
- * Return: error code.
- */
-int dsi_ctrl_host_deinit(struct dsi_ctrl *dsi_ctrl)
-{
- int rc = 0;
-
- if (!dsi_ctrl) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- _dsi_ctrl_destroy_isr(dsi_ctrl);
-
- rc = dsi_ctrl_check_state(dsi_ctrl, DSI_CTRL_OP_HOST_INIT, 0x0);
- if (rc) {
- pr_err("[DSI_%d] Controller state check failed, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- pr_err("driver state check failed, rc=%d\n", rc);
- goto error;
- }
-
- pr_debug("[DSI_%d] Host deinitization complete\n",
- dsi_ctrl->cell_index);
- dsi_ctrl_update_state(dsi_ctrl, DSI_CTRL_OP_HOST_INIT, 0x0);
-error:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_update_host_config() - update dsi host configuration
- * @dsi_ctrl: DSI controller handle.
- * @config: DSI host configuration.
- * @flags: dsi_mode_flags modifying the behavior
- *
- * Updates driver with new Host configuration to use for host initialization.
- * This function call will only update the software context. The stored
- * configuration information will be used when the host is initialized.
- *
- * Return: error code.
- */
-int dsi_ctrl_update_host_config(struct dsi_ctrl *ctrl,
- struct dsi_host_config *config,
- int flags, void *clk_handle)
-{
- int rc = 0;
-
- if (!ctrl || !config) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&ctrl->ctrl_lock);
-
- rc = dsi_ctrl_validate_panel_info(ctrl, config);
- if (rc) {
- pr_err("panel validation failed, rc=%d\n", rc);
- goto error;
- }
-
- if (!(flags & (DSI_MODE_FLAG_SEAMLESS | DSI_MODE_FLAG_VRR))) {
- rc = dsi_ctrl_update_link_freqs(ctrl, config, clk_handle);
- if (rc) {
- pr_err("[%s] failed to update link frequencies, rc=%d\n",
- ctrl->name, rc);
- goto error;
- }
- }
-
- pr_debug("[DSI_%d]Host config updated\n", ctrl->cell_index);
- memcpy(&ctrl->host_config, config, sizeof(ctrl->host_config));
- ctrl->mode_bounds.x = ctrl->host_config.video_timing.h_active *
- ctrl->horiz_index;
- ctrl->mode_bounds.y = 0;
- ctrl->mode_bounds.w = ctrl->host_config.video_timing.h_active;
- ctrl->mode_bounds.h = ctrl->host_config.video_timing.v_active;
- memcpy(&ctrl->roi, &ctrl->mode_bounds, sizeof(ctrl->mode_bounds));
- ctrl->roi.x = 0;
-error:
- mutex_unlock(&ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_validate_timing() - validate a video timing configuration
- * @dsi_ctrl: DSI controller handle.
- * @timing: Pointer to timing data.
- *
- * Driver will validate if the timing configuration is supported on the
- * controller hardware.
- *
- * Return: error code if timing is not supported.
- */
-int dsi_ctrl_validate_timing(struct dsi_ctrl *dsi_ctrl,
- struct dsi_mode_info *mode)
-{
- int rc = 0;
-
- if (!dsi_ctrl || !mode) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
- mutex_unlock(&dsi_ctrl->ctrl_lock);
-
- return rc;
-}
-
-/**
- * dsi_ctrl_cmd_transfer() - Transfer commands on DSI link
- * @dsi_ctrl: DSI controller handle.
- * @msg: Message to transfer on DSI link.
- * @flags: Modifiers for message transfer.
- *
- * Command transfer can be done only when command engine is enabled. The
- * transfer API will block until either the command transfer finishes or
- * the timeout value is reached. If the trigger is deferred, it will return
- * without triggering the transfer. Command parameters are programmed to
- * hardware.
- *
- * Return: error code.
- */
-int dsi_ctrl_cmd_transfer(struct dsi_ctrl *dsi_ctrl,
- const struct mipi_dsi_msg *msg,
- u32 flags)
-{
- int rc = 0;
-
- if (!dsi_ctrl || !msg) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- rc = dsi_ctrl_check_state(dsi_ctrl, DSI_CTRL_OP_CMD_TX, 0x0);
- if (rc) {
- pr_err("[DSI_%d] Controller state check failed, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto error;
- }
-
- if (flags & DSI_CTRL_CMD_READ) {
- rc = dsi_message_rx(dsi_ctrl, msg, flags);
- if (rc)
- pr_err("read message failed, rc=%d\n", rc);
- } else {
- rc = dsi_message_tx(dsi_ctrl, msg, flags);
- if (rc)
- pr_err("command msg transfer failed, rc = %d\n", rc);
- }
-
- dsi_ctrl_update_state(dsi_ctrl, DSI_CTRL_OP_CMD_TX, 0x0);
-
-error:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_cmd_tx_trigger() - Trigger a deferred command.
- * @dsi_ctrl: DSI controller handle.
- * @flags: Modifiers.
- *
- * Return: error code.
- */
-int dsi_ctrl_cmd_tx_trigger(struct dsi_ctrl *dsi_ctrl, u32 flags)
-{
- int rc = 0, ret = 0;
- u32 status = 0;
- u32 mask = (DSI_CMD_MODE_DMA_DONE);
-
- if (!dsi_ctrl) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- if (!(flags & DSI_CTRL_CMD_BROADCAST_MASTER))
- dsi_ctrl->hw.ops.trigger_command_dma(&dsi_ctrl->hw);
-
- if ((flags & DSI_CTRL_CMD_BROADCAST) &&
- (flags & DSI_CTRL_CMD_BROADCAST_MASTER)) {
- dsi_ctrl_enable_status_interrupt(dsi_ctrl,
- DSI_SINT_CMD_MODE_DMA_DONE, NULL);
- reinit_completion(&dsi_ctrl->irq_info.cmd_dma_done);
-
- /* trigger command */
- dsi_ctrl->hw.ops.trigger_command_dma(&dsi_ctrl->hw);
-
- ret = wait_for_completion_timeout(
- &dsi_ctrl->irq_info.cmd_dma_done,
- msecs_to_jiffies(DSI_CTRL_TX_TO_MS));
-
- if (ret == 0) {
- status = dsi_ctrl->hw.ops.get_interrupt_status(
- &dsi_ctrl->hw);
- if (status & mask) {
- status |= (DSI_CMD_MODE_DMA_DONE |
- DSI_BTA_DONE);
- dsi_ctrl->hw.ops.clear_interrupt_status(
- &dsi_ctrl->hw,
- status);
- dsi_ctrl_disable_status_interrupt(dsi_ctrl,
- DSI_SINT_CMD_MODE_DMA_DONE);
- complete_all(&dsi_ctrl->irq_info.cmd_dma_done);
- pr_warn("dma_tx done but irq not triggered\n");
- } else {
- rc = -ETIMEDOUT;
- dsi_ctrl_disable_status_interrupt(dsi_ctrl,
- DSI_SINT_CMD_MODE_DMA_DONE);
- pr_err("[DSI_%d]Command transfer failed\n",
- dsi_ctrl->cell_index);
- }
- }
- }
-
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * _dsi_ctrl_cache_misr - Cache frame MISR value
- * @dsi_ctrl: Pointer to associated dsi_ctrl structure
- */
-static void _dsi_ctrl_cache_misr(struct dsi_ctrl *dsi_ctrl)
-{
- u32 misr;
-
- if (!dsi_ctrl || !dsi_ctrl->hw.ops.collect_misr)
- return;
-
- misr = dsi_ctrl->hw.ops.collect_misr(&dsi_ctrl->hw,
- dsi_ctrl->host_config.panel_mode);
-
- if (misr)
- dsi_ctrl->misr_cache = misr;
-
- pr_debug("DSI_%d misr_cache = %x\n", dsi_ctrl->cell_index,
- dsi_ctrl->misr_cache);
-
-}
-
-/**
- * dsi_ctrl_set_power_state() - set power state for dsi controller
- * @dsi_ctrl: DSI controller handle.
- * @state: Power state.
- *
- * Set power state for DSI controller. Power state can be changed only when
- * Controller, Video and Command engines are turned off.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_power_state(struct dsi_ctrl *dsi_ctrl,
- enum dsi_power_state state)
-{
- int rc = 0;
-
- if (!dsi_ctrl || (state >= DSI_CTRL_POWER_MAX)) {
- pr_err("Invalid Params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- rc = dsi_ctrl_check_state(dsi_ctrl, DSI_CTRL_OP_POWER_STATE_CHANGE,
- state);
- if (rc) {
- pr_err("[DSI_%d] Controller state check failed, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto error;
- }
-
- if (state == DSI_CTRL_POWER_VREG_ON) {
- rc = dsi_ctrl_enable_supplies(dsi_ctrl, true);
- if (rc) {
- pr_err("[%d]failed to enable voltage supplies, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto error;
- }
- } else if (state == DSI_CTRL_POWER_VREG_OFF) {
- if (dsi_ctrl->misr_enable)
- _dsi_ctrl_cache_misr(dsi_ctrl);
-
- rc = dsi_ctrl_enable_supplies(dsi_ctrl, false);
- if (rc) {
- pr_err("[%d]failed to disable vreg supplies, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto error;
- }
- }
-
- pr_debug("[DSI_%d] Power state updated to %d\n", dsi_ctrl->cell_index,
- state);
- dsi_ctrl_update_state(dsi_ctrl, DSI_CTRL_OP_POWER_STATE_CHANGE, state);
-error:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_set_tpg_state() - enable/disable test pattern on the controller
- * @dsi_ctrl: DSI controller handle.
- * @on: enable/disable test pattern.
- *
- * Test pattern can be enabled only after Video engine (for video mode panels)
- * or command engine (for cmd mode panels) is enabled.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_tpg_state(struct dsi_ctrl *dsi_ctrl, bool on)
-{
- int rc = 0;
-
- if (!dsi_ctrl) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- rc = dsi_ctrl_check_state(dsi_ctrl, DSI_CTRL_OP_TPG, on);
- if (rc) {
- pr_err("[DSI_%d] Controller state check failed, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto error;
- }
-
- if (on) {
- if (dsi_ctrl->host_config.panel_mode == DSI_OP_VIDEO_MODE) {
- dsi_ctrl->hw.ops.video_test_pattern_setup(&dsi_ctrl->hw,
- DSI_TEST_PATTERN_INC,
- 0xFFFF);
- } else {
- dsi_ctrl->hw.ops.cmd_test_pattern_setup(
- &dsi_ctrl->hw,
- DSI_TEST_PATTERN_INC,
- 0xFFFF,
- 0x0);
- }
- }
- dsi_ctrl->hw.ops.test_pattern_enable(&dsi_ctrl->hw, on);
-
- pr_debug("[DSI_%d]Set test pattern state=%d\n",
- dsi_ctrl->cell_index, on);
- dsi_ctrl_update_state(dsi_ctrl, DSI_CTRL_OP_TPG, on);
-error:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_set_host_engine_state() - set host engine state
- * @dsi_ctrl: DSI Controller handle.
- * @state: Engine state.
- *
- * Host engine state can be modified only when DSI controller power state is
- * set to DSI_CTRL_POWER_LINK_CLK_ON and cmd, video engines are disabled.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_host_engine_state(struct dsi_ctrl *dsi_ctrl,
- enum dsi_engine_state state)
-{
- int rc = 0;
-
- if (!dsi_ctrl || (state >= DSI_CTRL_ENGINE_MAX)) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- rc = dsi_ctrl_check_state(dsi_ctrl, DSI_CTRL_OP_HOST_ENGINE, state);
- if (rc) {
- pr_err("[DSI_%d] Controller state check failed, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto error;
- }
-
- if (state == DSI_CTRL_ENGINE_ON)
- dsi_ctrl->hw.ops.ctrl_en(&dsi_ctrl->hw, true);
- else
- dsi_ctrl->hw.ops.ctrl_en(&dsi_ctrl->hw, false);
-
- pr_debug("[DSI_%d] Set host engine state = %d\n", dsi_ctrl->cell_index,
- state);
- dsi_ctrl_update_state(dsi_ctrl, DSI_CTRL_OP_HOST_ENGINE, state);
-error:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_set_cmd_engine_state() - set command engine state
- * @dsi_ctrl: DSI Controller handle.
- * @state: Engine state.
- *
- * Command engine state can be modified only when DSI controller power state is
- * set to DSI_CTRL_POWER_LINK_CLK_ON.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_cmd_engine_state(struct dsi_ctrl *dsi_ctrl,
- enum dsi_engine_state state)
-{
- int rc = 0;
-
- if (!dsi_ctrl || (state >= DSI_CTRL_ENGINE_MAX)) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- rc = dsi_ctrl_check_state(dsi_ctrl, DSI_CTRL_OP_CMD_ENGINE, state);
- if (rc) {
- pr_err("[DSI_%d] Controller state check failed, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto error;
- }
-
- if (state == DSI_CTRL_ENGINE_ON)
- dsi_ctrl->hw.ops.cmd_engine_en(&dsi_ctrl->hw, true);
- else
- dsi_ctrl->hw.ops.cmd_engine_en(&dsi_ctrl->hw, false);
-
- pr_debug("[DSI_%d] Set cmd engine state = %d\n", dsi_ctrl->cell_index,
- state);
- dsi_ctrl_update_state(dsi_ctrl, DSI_CTRL_OP_CMD_ENGINE, state);
-error:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_set_vid_engine_state() - set video engine state
- * @dsi_ctrl: DSI Controller handle.
- * @state: Engine state.
- *
- * Video engine state can be modified only when DSI controller power state is
- * set to DSI_CTRL_POWER_LINK_CLK_ON.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_vid_engine_state(struct dsi_ctrl *dsi_ctrl,
- enum dsi_engine_state state)
-{
- int rc = 0;
- bool on;
-
- if (!dsi_ctrl || (state >= DSI_CTRL_ENGINE_MAX)) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- rc = dsi_ctrl_check_state(dsi_ctrl, DSI_CTRL_OP_VID_ENGINE, state);
- if (rc) {
- pr_err("[DSI_%d] Controller state check failed, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- goto error;
- }
-
- on = (state == DSI_CTRL_ENGINE_ON) ? true : false;
- dsi_ctrl->hw.ops.video_engine_en(&dsi_ctrl->hw, on);
-
- /* perform a reset when turning off video engine */
- if (!on)
- dsi_ctrl->hw.ops.soft_reset(&dsi_ctrl->hw);
-
- pr_debug("[DSI_%d] Set video engine state = %d\n", dsi_ctrl->cell_index,
- state);
- dsi_ctrl_update_state(dsi_ctrl, DSI_CTRL_OP_VID_ENGINE, state);
-error:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_set_ulps() - set ULPS state for DSI lanes.
- * @dsi_ctrl: DSI controller handle.
- * @enable: enable/disable ULPS.
- *
- * ULPS can be enabled/disabled after DSI host engine is turned on.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_ulps(struct dsi_ctrl *dsi_ctrl, bool enable)
-{
- int rc = 0;
-
- if (!dsi_ctrl) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- if (enable)
- rc = dsi_enable_ulps(dsi_ctrl);
- else
- rc = dsi_disable_ulps(dsi_ctrl);
-
- if (rc) {
- pr_err("[DSI_%d] Ulps state change(%d) failed, rc=%d\n",
- dsi_ctrl->cell_index, enable, rc);
- goto error;
- }
- pr_debug("[DSI_%d] ULPS state = %d\n", dsi_ctrl->cell_index, enable);
-
-error:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_set_clamp_state() - set clamp state for DSI phy
- * @dsi_ctrl: DSI controller handle.
- * @enable: enable/disable clamping.
- *
- * Clamps can be enabled/disabled while DSI controller is still turned on.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_clamp_state(struct dsi_ctrl *dsi_ctrl,
- bool enable, bool ulps_enabled)
-{
- int rc = 0;
-
- if (!dsi_ctrl) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- if (!dsi_ctrl->hw.ops.clamp_enable ||
- !dsi_ctrl->hw.ops.clamp_disable) {
- pr_debug("No clamp control for DSI controller\n");
- return 0;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- rc = dsi_enable_io_clamp(dsi_ctrl, enable, ulps_enabled);
- if (rc) {
- pr_err("[DSI_%d] Failed to enable IO clamp\n",
- dsi_ctrl->cell_index);
- goto error;
- }
-
- pr_debug("[DSI_%d] Clamp state = %d\n", dsi_ctrl->cell_index, enable);
-error:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_set_clock_source() - set clock source fpr dsi link clocks
- * @dsi_ctrl: DSI controller handle.
- * @source_clks: Source clocks for DSI link clocks.
- *
- * Clock source should be changed while link clocks are disabled.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_clock_source(struct dsi_ctrl *dsi_ctrl,
- struct dsi_clk_link_set *source_clks)
-{
- int rc = 0;
-
- if (!dsi_ctrl || !source_clks) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
-
- rc = dsi_clk_update_parent(source_clks, &dsi_ctrl->clk_info.rcg_clks);
- if (rc) {
- pr_err("[DSI_%d]Failed to update link clk parent, rc=%d\n",
- dsi_ctrl->cell_index, rc);
- (void)dsi_clk_update_parent(&dsi_ctrl->clk_info.pll_op_clks,
- &dsi_ctrl->clk_info.rcg_clks);
- goto error;
- }
-
- dsi_ctrl->clk_info.pll_op_clks.byte_clk = source_clks->byte_clk;
- dsi_ctrl->clk_info.pll_op_clks.pixel_clk = source_clks->pixel_clk;
-
- pr_debug("[DSI_%d] Source clocks are updated\n", dsi_ctrl->cell_index);
-
-error:
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return rc;
-}
-
-/**
- * dsi_ctrl_setup_misr() - Setup frame MISR
- * @dsi_ctrl: DSI controller handle.
- * @enable: enable/disable MISR.
- * @frame_count: Number of frames to accumulate MISR.
- *
- * Return: error code.
- */
-int dsi_ctrl_setup_misr(struct dsi_ctrl *dsi_ctrl,
- bool enable,
- u32 frame_count)
-{
- if (!dsi_ctrl) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- if (!dsi_ctrl->hw.ops.setup_misr)
- return 0;
-
- mutex_lock(&dsi_ctrl->ctrl_lock);
- dsi_ctrl->misr_enable = enable;
- dsi_ctrl->hw.ops.setup_misr(&dsi_ctrl->hw,
- dsi_ctrl->host_config.panel_mode,
- enable, frame_count);
- mutex_unlock(&dsi_ctrl->ctrl_lock);
- return 0;
-}
-
-/**
- * dsi_ctrl_collect_misr() - Read frame MISR
- * @dsi_ctrl: DSI controller handle.
- *
- * Return: MISR value.
- */
-u32 dsi_ctrl_collect_misr(struct dsi_ctrl *dsi_ctrl)
-{
- u32 misr;
-
- if (!dsi_ctrl || !dsi_ctrl->hw.ops.collect_misr)
- return 0;
-
- misr = dsi_ctrl->hw.ops.collect_misr(&dsi_ctrl->hw,
- dsi_ctrl->host_config.panel_mode);
- if (!misr)
- misr = dsi_ctrl->misr_cache;
-
- pr_debug("DSI_%d cached misr = %x, final = %x\n",
- dsi_ctrl->cell_index, dsi_ctrl->misr_cache, misr);
-
- return misr;
-}
-
-/**
- * dsi_ctrl_drv_register() - register platform driver for dsi controller
- */
-void dsi_ctrl_drv_register(void)
-{
- platform_driver_register(&dsi_ctrl_driver);
-}
-
-/**
- * dsi_ctrl_drv_unregister() - unregister platform driver
- */
-void dsi_ctrl_drv_unregister(void)
-{
- platform_driver_unregister(&dsi_ctrl_driver);
-}
deleted file mode 100644
@@ -1,623 +0,0 @@
-/*
- * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _DSI_CTRL_H_
-#define _DSI_CTRL_H_
-
-#include <linux/debugfs.h>
-
-#include "dsi_defs.h"
-#include "dsi_ctrl_hw.h"
-#include "dsi_clk.h"
-#include "dsi_pwr.h"
-#include <drm/drm_mipi_dsi.h>
-
-/*
- * DSI Command transfer modifiers
- * @DSI_CTRL_CMD_READ: The current transfer involves reading data.
- * @DSI_CTRL_CMD_BROADCAST: The current transfer needs to be done in
- * broadcast mode to multiple slaves.
- * @DSI_CTRL_CMD_BROADCAST_MASTER: This controller is the master and the slaves
- * sync to this trigger.
- * @DSI_CTRL_CMD_DEFER_TRIGGER: Defer the command trigger to later.
- * @DSI_CTRL_CMD_FIFO_STORE: Use FIFO for command transfer in place of
- * reading data from memory.
- * @DSI_CTRL_CMD_FETCH_MEMORY: Fetch command from memory through AXI bus
- * and transfer it.
- */
-#define DSI_CTRL_CMD_READ 0x1
-#define DSI_CTRL_CMD_BROADCAST 0x2
-#define DSI_CTRL_CMD_BROADCAST_MASTER 0x4
-#define DSI_CTRL_CMD_DEFER_TRIGGER 0x8
-#define DSI_CTRL_CMD_FIFO_STORE 0x10
-#define DSI_CTRL_CMD_FETCH_MEMORY 0x20
-
-/**
- * enum dsi_power_state - defines power states for dsi controller.
- * @DSI_CTRL_POWER_VREG_OFF: Digital and analog supplies for DSI controller
- turned off
- * @DSI_CTRL_POWER_VREG_ON: Digital and analog supplies for DSI controller
- * @DSI_CTRL_POWER_MAX: Maximum value.
- */
-enum dsi_power_state {
- DSI_CTRL_POWER_VREG_OFF = 0,
- DSI_CTRL_POWER_VREG_ON,
- DSI_CTRL_POWER_MAX,
-};
-
-/**
- * enum dsi_engine_state - define engine status for dsi controller.
- * @DSI_CTRL_ENGINE_OFF: Engine is turned off.
- * @DSI_CTRL_ENGINE_ON: Engine is turned on.
- * @DSI_CTRL_ENGINE_MAX: Maximum value.
- */
-enum dsi_engine_state {
- DSI_CTRL_ENGINE_OFF = 0,
- DSI_CTRL_ENGINE_ON,
- DSI_CTRL_ENGINE_MAX,
-};
-
-/**
- * struct dsi_ctrl_power_info - digital and analog power supplies for dsi host
- * @digital: Digital power supply required to turn on DSI controller hardware.
- * @host_pwr: Analog power supplies required to turn on DSI controller hardware.
- * Even though DSI controller it self does not require an analog
- * power supply, supplies required for PLL can be defined here to
- * allow proper control over these supplies.
- */
-struct dsi_ctrl_power_info {
- struct dsi_regulator_info digital;
- struct dsi_regulator_info host_pwr;
-};
-
-/**
- * struct dsi_ctrl_clk_info - clock information for DSI controller
- * @core_clks: Core clocks needed to access DSI controller registers.
- * @link_clks: Link clocks required to transmit data over DSI link.
- * @rcg_clks: Root clock generation clocks generated in MMSS_CC. The
- * output of the PLL is set as parent for these root
- * clocks. These clocks are specific to controller
- * instance.
- * @mux_clks: Mux clocks used for Dynamic refresh feature.
- * @ext_clks: External byte/pixel clocks from the MMSS block. These
- * clocks are set as parent to rcg clocks.
- * @pll_op_clks: TODO:
- * @shadow_clks: TODO:
- */
-struct dsi_ctrl_clk_info {
- /* Clocks parsed from DT */
- struct dsi_core_clk_info core_clks;
- struct dsi_link_clk_info link_clks;
- struct dsi_clk_link_set rcg_clks;
-
- /* Clocks set by DSI Manager */
- struct dsi_clk_link_set mux_clks;
- struct dsi_clk_link_set ext_clks;
- struct dsi_clk_link_set pll_op_clks;
- struct dsi_clk_link_set shadow_clks;
-};
-
-/**
- * struct dsi_ctrl_bus_scale_info - Bus scale info for msm-bus bandwidth voting
- * @bus_scale_table: Bus scale voting usecases.
- * @bus_handle: Handle used for voting bandwidth.
- */
-struct dsi_ctrl_bus_scale_info {
- struct msm_bus_scale_pdata *bus_scale_table;
- u32 bus_handle;
-};
-
-/**
- * struct dsi_ctrl_state_info - current driver state information
- * @power_state: Status of power states on DSI controller.
- * @cmd_engine_state: Status of DSI command engine.
- * @vid_engine_state: Status of DSI video engine.
- * @controller_state: Status of DSI Controller engine.
- * @host_initialized: Boolean to indicate status of DSi host Initialization
- * @tpg_enabled: Boolean to indicate whether tpg is enabled.
- */
-struct dsi_ctrl_state_info {
- enum dsi_power_state power_state;
- enum dsi_engine_state cmd_engine_state;
- enum dsi_engine_state vid_engine_state;
- enum dsi_engine_state controller_state;
- bool host_initialized;
- bool tpg_enabled;
-};
-
-/**
- * struct dsi_ctrl_interrupts - define interrupt information
- * @irq_lock: Spinlock for ISR handler.
- * @irq_num: Linux interrupt number associated with device.
- * @irq_stat_mask: Hardware mask of currently enabled interrupts.
- * @irq_stat_refcount: Number of times each interrupt has been requested.
- * @irq_stat_cb: Status IRQ callback definitions.
- * @cmd_dma_done: Completion signal for DSI_CMD_MODE_DMA_DONE interrupt
- * @vid_frame_done: Completion signal for DSI_VIDEO_MODE_FRAME_DONE int.
- * @cmd_frame_done: Completion signal for DSI_CMD_FRAME_DONE interrupt.
- */
-struct dsi_ctrl_interrupts {
- spinlock_t irq_lock;
- int irq_num;
- uint32_t irq_stat_mask;
- int irq_stat_refcount[DSI_STATUS_INTERRUPT_COUNT];
- struct dsi_event_cb_info irq_stat_cb[DSI_STATUS_INTERRUPT_COUNT];
-
- struct completion cmd_dma_done;
- struct completion vid_frame_done;
- struct completion cmd_frame_done;
- struct completion bta_done;
-};
-
-/**
- * struct dsi_ctrl - DSI controller object
- * @pdev: Pointer to platform device.
- * @cell_index: Instance cell id.
- * @horiz_index: Index in physical horizontal CTRL layout, 0 = leftmost
- * @name: Name of the controller instance.
- * @refcount: ref counter.
- * @ctrl_lock: Mutex for hardware and object access.
- * @drm_dev: Pointer to DRM device.
- * @version: DSI controller version.
- * @hw: DSI controller hardware object.
- * @current_state: Current driver and hardware state.
- * @clk_cb: Callback for DSI clock control.
- * @irq_info: Interrupt information.
- * @clk_info: Clock information.
- * @clk_freq: DSi Link clock frequency information.
- * @pwr_info: Power information.
- * @axi_bus_info: AXI bus information.
- * @host_config: Current host configuration.
- * @mode_bounds: Boundaries of the default mode ROI.
- * Origin is at top left of all CTRLs.
- * @roi: Partial update region of interest.
- * Origin is top left of this CTRL.
- * @tx_cmd_buf: Tx command buffer.
- * @cmd_buffer_iova: cmd buffer mapped address.
- * @vaddr: CPU virtual address of cmd buffer.
- * @cmd_buffer_size: Size of command buffer.
- * @debugfs_root: Root for debugfs entries.
- * @misr_enable: Frame MISR enable/disable
- * @misr_cache: Cached Frame MISR value
- * @phy_isolation_enabled: A boolean property allows to isolate the phy from
- * dsi controller and run only dsi controller.
- */
-struct dsi_ctrl {
- struct platform_device *pdev;
- u32 cell_index;
- u32 horiz_index;
- const char *name;
- u32 refcount;
- struct mutex ctrl_lock;
- struct drm_device *drm_dev;
-
- enum dsi_ctrl_version version;
- struct dsi_ctrl_hw hw;
-
- /* Current state */
- struct dsi_ctrl_state_info current_state;
- struct clk_ctrl_cb clk_cb;
-
- struct dsi_ctrl_interrupts irq_info;
-
- /* Clock and power states */
- struct dsi_ctrl_clk_info clk_info;
- struct link_clk_freq clk_freq;
- struct dsi_ctrl_power_info pwr_info;
- struct dsi_ctrl_bus_scale_info axi_bus_info;
-
- struct dsi_host_config host_config;
- struct dsi_rect mode_bounds;
- struct dsi_rect roi;
-
- /* Command tx and rx */
- struct drm_gem_object *tx_cmd_buf;
- u32 cmd_buffer_size;
- u32 cmd_buffer_iova;
- void *vaddr;
-
- /* Debug Information */
- struct dentry *debugfs_root;
-
- /* MISR */
- bool misr_enable;
- u32 misr_cache;
-
- bool phy_isolation_enabled;
-};
-
-/**
- * dsi_ctrl_get() - get a dsi_ctrl handle from an of_node
- * @of_node: of_node of the DSI controller.
- *
- * Gets the DSI controller handle for the corresponding of_node. The ref count
- * is incremented to one and all subsequent gets will fail until the original
- * clients calls a put.
- *
- * Return: DSI Controller handle.
- */
-struct dsi_ctrl *dsi_ctrl_get(struct device_node *of_node);
-
-/**
- * dsi_ctrl_put() - releases a dsi controller handle.
- * @dsi_ctrl: DSI controller handle.
- *
- * Releases the DSI controller. Driver will clean up all resources and puts back
- * the DSI controller into reset state.
- */
-void dsi_ctrl_put(struct dsi_ctrl *dsi_ctrl);
-
-/**
- * dsi_ctrl_drv_init() - initialize dsi controller driver.
- * @dsi_ctrl: DSI controller handle.
- * @parent: Parent directory for debug fs.
- *
- * Initializes DSI controller driver. Driver should be initialized after
- * dsi_ctrl_get() succeeds.
- *
- * Return: error code.
- */
-int dsi_ctrl_drv_init(struct dsi_ctrl *dsi_ctrl, struct dentry *parent);
-
-/**
- * dsi_ctrl_drv_deinit() - de-initializes dsi controller driver
- * @dsi_ctrl: DSI controller handle.
- *
- * Releases all resources acquired by dsi_ctrl_drv_init().
- *
- * Return: error code.
- */
-int dsi_ctrl_drv_deinit(struct dsi_ctrl *dsi_ctrl);
-
-/**
- * dsi_ctrl_validate_timing() - validate a video timing configuration
- * @dsi_ctrl: DSI controller handle.
- * @timing: Pointer to timing data.
- *
- * Driver will validate if the timing configuration is supported on the
- * controller hardware.
- *
- * Return: error code if timing is not supported.
- */
-int dsi_ctrl_validate_timing(struct dsi_ctrl *dsi_ctrl,
- struct dsi_mode_info *timing);
-
-/**
- * dsi_ctrl_update_host_config() - update dsi host configuration
- * @dsi_ctrl: DSI controller handle.
- * @config: DSI host configuration.
- * @flags: dsi_mode_flags modifying the behavior
- * @clk_handle: Clock handle for DSI clocks
- *
- * Updates driver with new Host configuration to use for host initialization.
- * This function call will only update the software context. The stored
- * configuration information will be used when the host is initialized.
- *
- * Return: error code.
- */
-int dsi_ctrl_update_host_config(struct dsi_ctrl *dsi_ctrl,
- struct dsi_host_config *config,
- int flags, void *clk_handle);
-
-/**
- * dsi_ctrl_timing_db_update() - update only controller Timing DB
- * @dsi_ctrl: DSI controller handle.
- * @enable: Enable/disable Timing DB register
- *
- * Update timing db register value during dfps usecases
- *
- * Return: error code.
- */
-int dsi_ctrl_timing_db_update(struct dsi_ctrl *dsi_ctrl,
- bool enable);
-
-/**
- * dsi_ctrl_async_timing_update() - update only controller timing
- * @dsi_ctrl: DSI controller handle.
- * @timing: New DSI timing info
- *
- * Updates host timing values to asynchronously transition to new timing
- * For example, to update the porch values in a seamless/dynamic fps switch.
- *
- * Return: error code.
- */
-int dsi_ctrl_async_timing_update(struct dsi_ctrl *dsi_ctrl,
- struct dsi_mode_info *timing);
-
-/**
- * dsi_ctrl_phy_sw_reset() - perform a PHY software reset
- * @dsi_ctrl: DSI controller handle.
- *
- * Performs a PHY software reset on the DSI controller. Reset should be done
- * when the controller power state is DSI_CTRL_POWER_CORE_CLK_ON and the PHY is
- * not enabled.
- *
- * This function will fail if driver is in any other state.
- *
- * Return: error code.
- */
-int dsi_ctrl_phy_sw_reset(struct dsi_ctrl *dsi_ctrl);
-
-/**
- * dsi_ctrl_phy_reset_config() - Mask/unmask propagation of ahb reset signal
- * to DSI PHY hardware.
- * @dsi_ctrl: DSI controller handle.
- * @enable: Mask/unmask the PHY reset signal.
- *
- * Return: error code.
- */
-int dsi_ctrl_phy_reset_config(struct dsi_ctrl *dsi_ctrl, bool enable);
-
-/**
- * dsi_ctrl_soft_reset() - perform a soft reset on DSI controller
- * @dsi_ctrl: DSI controller handle.
- *
- * The video, command and controller engines will be disabled before the
- * reset is triggered. After, the engines will be re-enabled to the same state
- * as before the reset.
- *
- * If the reset is done while MDP timing engine is turned on, the video
- * engine should be re-enabled only during the vertical blanking time.
- *
- * Return: error code
- */
-int dsi_ctrl_soft_reset(struct dsi_ctrl *dsi_ctrl);
-
-/**
- * dsi_ctrl_host_timing_update - reinitialize host with new timing values
- * @dsi_ctrl: DSI controller handle.
- *
- * Reinitialize DSI controller hardware with new display timing values
- * when resolution is switched dynamically.
- *
- * Return: error code
- */
-int dsi_ctrl_host_timing_update(struct dsi_ctrl *dsi_ctrl);
-
-/**
- * dsi_ctrl_host_init() - Initialize DSI host hardware.
- * @dsi_ctrl: DSI controller handle.
- *
- * Initializes DSI controller hardware with host configuration provided by
- * dsi_ctrl_update_host_config(). Initialization can be performed only during
- * DSI_CTRL_POWER_CORE_CLK_ON state and after the PHY SW reset has been
- * performed.
- *
- * Return: error code.
- */
-int dsi_ctrl_host_init(struct dsi_ctrl *dsi_ctrl);
-
-/**
- * dsi_ctrl_host_deinit() - De-Initialize DSI host hardware.
- * @dsi_ctrl: DSI controller handle.
- *
- * De-initializes DSI controller hardware. It can be performed only during
- * DSI_CTRL_POWER_CORE_CLK_ON state after LINK clocks have been turned off.
- *
- * Return: error code.
- */
-int dsi_ctrl_host_deinit(struct dsi_ctrl *dsi_ctrl);
-
-/**
- * dsi_ctrl_set_ulps() - set ULPS state for DSI lanes.
- * @dsi_ctrl: DSI controller handle.
- * @enable: enable/disable ULPS.
- *
- * ULPS can be enabled/disabled after DSI host engine is turned on.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_ulps(struct dsi_ctrl *dsi_ctrl, bool enable);
-
-/**
- * dsi_ctrl_setup() - Setup DSI host hardware while coming out of idle screen.
- * @dsi_ctrl: DSI controller handle.
- *
- * Initializes DSI controller hardware with host configuration provided by
- * dsi_ctrl_update_host_config(). Initialization can be performed only during
- * DSI_CTRL_POWER_CORE_CLK_ON state and after the PHY SW reset has been
- * performed.
- *
- * Also used to program the video mode timing values.
- *
- * Return: error code.
- */
-int dsi_ctrl_setup(struct dsi_ctrl *dsi_ctrl);
-
-/**
- * dsi_ctrl_set_tpg_state() - enable/disable test pattern on the controller
- * @dsi_ctrl: DSI controller handle.
- * @on: enable/disable test pattern.
- *
- * Test pattern can be enabled only after Video engine (for video mode panels)
- * or command engine (for cmd mode panels) is enabled.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_tpg_state(struct dsi_ctrl *dsi_ctrl, bool on);
-
-/**
- * dsi_ctrl_cmd_transfer() - Transfer commands on DSI link
- * @dsi_ctrl: DSI controller handle.
- * @msg: Message to transfer on DSI link.
- * @flags: Modifiers for message transfer.
- *
- * Command transfer can be done only when command engine is enabled. The
- * transfer API will until either the command transfer finishes or the timeout
- * value is reached. If the trigger is deferred, it will return without
- * triggering the transfer. Command parameters are programmed to hardware.
- *
- * Return: error code.
- */
-int dsi_ctrl_cmd_transfer(struct dsi_ctrl *dsi_ctrl,
- const struct mipi_dsi_msg *msg,
- u32 flags);
-
-/**
- * dsi_ctrl_cmd_tx_trigger() - Trigger a deferred command.
- * @dsi_ctrl: DSI controller handle.
- * @flags: Modifiers.
- *
- * Return: error code.
- */
-int dsi_ctrl_cmd_tx_trigger(struct dsi_ctrl *dsi_ctrl, u32 flags);
-
-/**
- * dsi_ctrl_set_power_state() - set power state for dsi controller
- * @dsi_ctrl: DSI controller handle.
- * @state: Power state.
- *
- * Set power state for DSI controller. Power state can be changed only when
- * Controller, Video and Command engines are turned off.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_power_state(struct dsi_ctrl *dsi_ctrl,
- enum dsi_power_state state);
-
-/**
- * dsi_ctrl_set_cmd_engine_state() - set command engine state
- * @dsi_ctrl: DSI Controller handle.
- * @state: Engine state.
- *
- * Command engine state can be modified only when DSI controller power state is
- * set to DSI_CTRL_POWER_LINK_CLK_ON.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_cmd_engine_state(struct dsi_ctrl *dsi_ctrl,
- enum dsi_engine_state state);
-
-/**
- * dsi_ctrl_set_vid_engine_state() - set video engine state
- * @dsi_ctrl: DSI Controller handle.
- * @state: Engine state.
- *
- * Video engine state can be modified only when DSI controller power state is
- * set to DSI_CTRL_POWER_LINK_CLK_ON.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_vid_engine_state(struct dsi_ctrl *dsi_ctrl,
- enum dsi_engine_state state);
-
-/**
- * dsi_ctrl_set_host_engine_state() - set host engine state
- * @dsi_ctrl: DSI Controller handle.
- * @state: Engine state.
- *
- * Host engine state can be modified only when DSI controller power state is
- * set to DSI_CTRL_POWER_LINK_CLK_ON and cmd, video engines are disabled.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_host_engine_state(struct dsi_ctrl *dsi_ctrl,
- enum dsi_engine_state state);
-
-/**
- * dsi_ctrl_set_ulps() - set ULPS state for DSI lanes.
- * @dsi_ctrl: DSI controller handle.
- * @enable: enable/disable ULPS.
- *
- * ULPS can be enabled/disabled after DSI host engine is turned on.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_ulps(struct dsi_ctrl *dsi_ctrl, bool enable);
-
-/**
- * dsi_ctrl_clk_cb_register() - Register DSI controller clk control callback
- * @dsi_ctrl: DSI controller handle.
- * @clk__cb: Structure containing callback for clock control.
- *
- * Register call for DSI clock control
- *
- * Return: error code.
- */
-int dsi_ctrl_clk_cb_register(struct dsi_ctrl *dsi_ctrl,
- struct clk_ctrl_cb *clk_cb);
-
-/**
- * dsi_ctrl_set_clamp_state() - set clamp state for DSI phy
- * @dsi_ctrl: DSI controller handle.
- * @enable: enable/disable clamping.
- * @ulps_enabled: ulps state.
- *
- * Clamps can be enabled/disabled while DSI controller is still turned on.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_clamp_state(struct dsi_ctrl *dsi_Ctrl,
- bool enable, bool ulps_enabled);
-
-/**
- * dsi_ctrl_set_clock_source() - set clock source fpr dsi link clocks
- * @dsi_ctrl: DSI controller handle.
- * @source_clks: Source clocks for DSI link clocks.
- *
- * Clock source should be changed while link clocks are disabled.
- *
- * Return: error code.
- */
-int dsi_ctrl_set_clock_source(struct dsi_ctrl *dsi_ctrl,
- struct dsi_clk_link_set *source_clks);
-
-/**
- * dsi_ctrl_enable_status_interrupt() - enable status interrupts
- * @dsi_ctrl: DSI controller handle.
- * @intr_idx: Index interrupt to disable.
- * @event_info: Pointer to event callback definition
- */
-void dsi_ctrl_enable_status_interrupt(struct dsi_ctrl *dsi_ctrl,
- uint32_t intr_idx, struct dsi_event_cb_info *event_info);
-
-/**
- * dsi_ctrl_disable_status_interrupt() - disable status interrupts
- * @dsi_ctrl: DSI controller handle.
- * @intr_idx: Index interrupt to disable.
- */
-void dsi_ctrl_disable_status_interrupt(
- struct dsi_ctrl *dsi_ctrl, uint32_t intr_idx);
-
-/**
- * dsi_ctrl_setup_misr() - Setup frame MISR
- * @dsi_ctrl: DSI controller handle.
- * @enable: enable/disable MISR.
- * @frame_count: Number of frames to accumulate MISR.
- *
- * Return: error code.
- */
-int dsi_ctrl_setup_misr(struct dsi_ctrl *dsi_ctrl,
- bool enable,
- u32 frame_count);
-
-/**
- * dsi_ctrl_collect_misr() - Read frame MISR
- * @dsi_ctrl: DSI controller handle.
- *
- * Return: MISR value.
- */
-u32 dsi_ctrl_collect_misr(struct dsi_ctrl *dsi_ctrl);
-
-/**
- * dsi_ctrl_drv_register() - register platform driver for dsi controller
- */
-void dsi_ctrl_drv_register(void);
-
-/**
- * dsi_ctrl_drv_unregister() - unregister platform driver
- */
-void dsi_ctrl_drv_unregister(void);
-
-#endif /* _DSI_CTRL_H_ */
deleted file mode 100644
@@ -1,752 +0,0 @@
-/*
- * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#ifndef _DSI_CTRL_HW_H_
-#define _DSI_CTRL_HW_H_
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/bitops.h>
-#include <linux/bitmap.h>
-
-#include "dsi_defs.h"
-
-/**
- * Modifier flag for command transmission. If this flag is set, command
- * information is programmed to hardware and transmission is not triggered.
- * Caller should call the trigger_command_dma() to start the transmission. This
- * flag is valed for kickoff_command() and kickoff_fifo_command() operations.
- */
-#define DSI_CTRL_HW_CMD_WAIT_FOR_TRIGGER 0x1
-
-/**
- * enum dsi_ctrl_version - version of the dsi host controller
- * @DSI_CTRL_VERSION_UNKNOWN: Unknown controller version
- * @DSI_CTRL_VERSION_1_4: DSI host v1.4 controller
- * @DSI_CTRL_VERSION_2_0: DSI host v2.0 controller
- * @DSI_CTRL_VERSION_MAX: max version
- */
-enum dsi_ctrl_version {
- DSI_CTRL_VERSION_UNKNOWN,
- DSI_CTRL_VERSION_1_4,
- DSI_CTRL_VERSION_2_0,
- DSI_CTRL_VERSION_2_2,
- DSI_CTRL_VERSION_MAX
-};
-
-/**
- * enum dsi_ctrl_hw_features - features supported by dsi host controller
- * @DSI_CTRL_VIDEO_TPG: Test pattern support for video mode.
- * @DSI_CTRL_CMD_TPG: Test pattern support for command mode.
- * @DSI_CTRL_VARIABLE_REFRESH_RATE: variable panel timing
- * @DSI_CTRL_DYNAMIC_REFRESH: variable pixel clock rate
- * @DSI_CTRL_NULL_PACKET_INSERTION: NULL packet insertion
- * @DSI_CTRL_DESKEW_CALIB: Deskew calibration support
- * @DSI_CTRL_DPHY: Controller support for DPHY
- * @DSI_CTRL_CPHY: Controller support for CPHY
- * @DSI_CTRL_MAX_FEATURES:
- */
-enum dsi_ctrl_hw_features {
- DSI_CTRL_VIDEO_TPG,
- DSI_CTRL_CMD_TPG,
- DSI_CTRL_VARIABLE_REFRESH_RATE,
- DSI_CTRL_DYNAMIC_REFRESH,
- DSI_CTRL_NULL_PACKET_INSERTION,
- DSI_CTRL_DESKEW_CALIB,
- DSI_CTRL_DPHY,
- DSI_CTRL_CPHY,
- DSI_CTRL_MAX_FEATURES
-};
-
-/**
- * enum dsi_test_pattern - test pattern type
- * @DSI_TEST_PATTERN_FIXED: Test pattern is fixed, based on init value.
- * @DSI_TEST_PATTERN_INC: Incremental test pattern, base on init value.
- * @DSI_TEST_PATTERN_POLY: Pattern generated from polynomial and init val.
- * @DSI_TEST_PATTERN_MAX:
- */
-enum dsi_test_pattern {
- DSI_TEST_PATTERN_FIXED = 0,
- DSI_TEST_PATTERN_INC,
- DSI_TEST_PATTERN_POLY,
- DSI_TEST_PATTERN_MAX
-};
-
-/**
- * enum dsi_status_int_index - index of interrupts generated by DSI controller
- * @DSI_SINT_CMD_MODE_DMA_DONE: Command mode DMA packets are sent out.
- * @DSI_SINT_CMD_STREAM0_FRAME_DONE: A frame of cmd mode stream0 is sent out.
- * @DSI_SINT_CMD_STREAM1_FRAME_DONE: A frame of cmd mode stream1 is sent out.
- * @DSI_SINT_CMD_STREAM2_FRAME_DONE: A frame of cmd mode stream2 is sent out.
- * @DSI_SINT_VIDEO_MODE_FRAME_DONE: A frame of video mode stream is sent out.
- * @DSI_SINT_BTA_DONE: A BTA is completed.
- * @DSI_SINT_CMD_FRAME_DONE: A frame of selected cmd mode stream is
- * sent out by MDP.
- * @DSI_SINT_DYN_REFRESH_DONE: The dynamic refresh operation completed.
- * @DSI_SINT_DESKEW_DONE: The deskew calibration operation done.
- * @DSI_SINT_DYN_BLANK_DMA_DONE: The dynamic blankin DMA operation has
- * completed.
- */
-enum dsi_status_int_index {
- DSI_SINT_CMD_MODE_DMA_DONE = 0,
- DSI_SINT_CMD_STREAM0_FRAME_DONE = 1,
- DSI_SINT_CMD_STREAM1_FRAME_DONE = 2,
- DSI_SINT_CMD_STREAM2_FRAME_DONE = 3,
- DSI_SINT_VIDEO_MODE_FRAME_DONE = 4,
- DSI_SINT_BTA_DONE = 5,
- DSI_SINT_CMD_FRAME_DONE = 6,
- DSI_SINT_DYN_REFRESH_DONE = 7,
- DSI_SINT_DESKEW_DONE = 8,
- DSI_SINT_DYN_BLANK_DMA_DONE = 9,
-
- DSI_STATUS_INTERRUPT_COUNT
-};
-
-/**
- * enum dsi_status_int_type - status interrupts generated by DSI controller
- * @DSI_CMD_MODE_DMA_DONE: Command mode DMA packets are sent out.
- * @DSI_CMD_STREAM0_FRAME_DONE: A frame of command mode stream0 is sent out.
- * @DSI_CMD_STREAM1_FRAME_DONE: A frame of command mode stream1 is sent out.
- * @DSI_CMD_STREAM2_FRAME_DONE: A frame of command mode stream2 is sent out.
- * @DSI_VIDEO_MODE_FRAME_DONE: A frame of video mode stream is sent out.
- * @DSI_BTA_DONE: A BTA is completed.
- * @DSI_CMD_FRAME_DONE: A frame of selected command mode stream is
- * sent out by MDP.
- * @DSI_DYN_REFRESH_DONE: The dynamic refresh operation has completed.
- * @DSI_DESKEW_DONE: The deskew calibration operation has completed
- * @DSI_DYN_BLANK_DMA_DONE: The dynamic blankin DMA operation has
- * completed.
- */
-enum dsi_status_int_type {
- DSI_CMD_MODE_DMA_DONE = BIT(DSI_SINT_CMD_MODE_DMA_DONE),
- DSI_CMD_STREAM0_FRAME_DONE = BIT(DSI_SINT_CMD_STREAM0_FRAME_DONE),
- DSI_CMD_STREAM1_FRAME_DONE = BIT(DSI_SINT_CMD_STREAM1_FRAME_DONE),
- DSI_CMD_STREAM2_FRAME_DONE = BIT(DSI_SINT_CMD_STREAM2_FRAME_DONE),
- DSI_VIDEO_MODE_FRAME_DONE = BIT(DSI_SINT_VIDEO_MODE_FRAME_DONE),
- DSI_BTA_DONE = BIT(DSI_SINT_BTA_DONE),
- DSI_CMD_FRAME_DONE = BIT(DSI_SINT_CMD_FRAME_DONE),
- DSI_DYN_REFRESH_DONE = BIT(DSI_SINT_DYN_REFRESH_DONE),
- DSI_DESKEW_DONE = BIT(DSI_SINT_DESKEW_DONE),
- DSI_DYN_BLANK_DMA_DONE = BIT(DSI_SINT_DYN_BLANK_DMA_DONE)
-};
-
-/**
- * enum dsi_error_int_index - index of error interrupts from DSI controller
- * @DSI_EINT_RDBK_SINGLE_ECC_ERR: Single bit ECC error in read packet.
- * @DSI_EINT_RDBK_MULTI_ECC_ERR: Multi bit ECC error in read packet.
- * @DSI_EINT_RDBK_CRC_ERR: CRC error in read packet.
- * @DSI_EINT_RDBK_INCOMPLETE_PKT: Incomplete read packet.
- * @DSI_EINT_PERIPH_ERROR_PKT: Error packet returned from peripheral,
- * @DSI_EINT_LP_RX_TIMEOUT: Low power reverse transmission timeout.
- * @DSI_EINT_HS_TX_TIMEOUT: High speed fwd transmission timeout.
- * @DSI_EINT_BTA_TIMEOUT: BTA timeout.
- * @DSI_EINT_PLL_UNLOCK: PLL has unlocked.
- * @DSI_EINT_DLN0_ESC_ENTRY_ERR: Incorrect LP Rx escape entry.
- * @DSI_EINT_DLN0_ESC_SYNC_ERR: LP Rx data is not byte aligned.
- * @DSI_EINT_DLN0_LP_CONTROL_ERR: Incorrect LP Rx state sequence.
- * @DSI_EINT_PENDING_HS_TX_TIMEOUT: Pending High-speed transfer timeout.
- * @DSI_EINT_INTERLEAVE_OP_CONTENTION: Interleave operation contention.
- * @DSI_EINT_CMD_DMA_FIFO_UNDERFLOW: Command mode DMA FIFO underflow.
- * @DSI_EINT_CMD_MDP_FIFO_UNDERFLOW: Command MDP FIFO underflow (failed to
- * receive one complete line from MDP).
- * @DSI_EINT_DLN0_HS_FIFO_OVERFLOW: High speed FIFO data lane 0 overflows.
- * @DSI_EINT_DLN1_HS_FIFO_OVERFLOW: High speed FIFO data lane 1 overflows.
- * @DSI_EINT_DLN2_HS_FIFO_OVERFLOW: High speed FIFO data lane 2 overflows.
- * @DSI_EINT_DLN3_HS_FIFO_OVERFLOW: High speed FIFO data lane 3 overflows.
- * @DSI_EINT_DLN0_HS_FIFO_UNDERFLOW: High speed FIFO data lane 0 underflows.
- * @DSI_EINT_DLN1_HS_FIFO_UNDERFLOW: High speed FIFO data lane 1 underflows.
- * @DSI_EINT_DLN2_HS_FIFO_UNDERFLOW: High speed FIFO data lane 2 underflows.
- * @DSI_EINT_DLN3_HS_FIFO_UNDERFLOW: High speed FIFO data lane 3 undeflows.
- * @DSI_EINT_DLN0_LP0_CONTENTION: PHY level contention while lane 0 low.
- * @DSI_EINT_DLN1_LP0_CONTENTION: PHY level contention while lane 1 low.
- * @DSI_EINT_DLN2_LP0_CONTENTION: PHY level contention while lane 2 low.
- * @DSI_EINT_DLN3_LP0_CONTENTION: PHY level contention while lane 3 low.
- * @DSI_EINT_DLN0_LP1_CONTENTION: PHY level contention while lane 0 high.
- * @DSI_EINT_DLN1_LP1_CONTENTION: PHY level contention while lane 1 high.
- * @DSI_EINT_DLN2_LP1_CONTENTION: PHY level contention while lane 2 high.
- * @DSI_EINT_DLN3_LP1_CONTENTION: PHY level contention while lane 3 high.
- */
-enum dsi_error_int_index {
- DSI_EINT_RDBK_SINGLE_ECC_ERR = 0,
- DSI_EINT_RDBK_MULTI_ECC_ERR = 1,
- DSI_EINT_RDBK_CRC_ERR = 2,
- DSI_EINT_RDBK_INCOMPLETE_PKT = 3,
- DSI_EINT_PERIPH_ERROR_PKT = 4,
- DSI_EINT_LP_RX_TIMEOUT = 5,
- DSI_EINT_HS_TX_TIMEOUT = 6,
- DSI_EINT_BTA_TIMEOUT = 7,
- DSI_EINT_PLL_UNLOCK = 8,
- DSI_EINT_DLN0_ESC_ENTRY_ERR = 9,
- DSI_EINT_DLN0_ESC_SYNC_ERR = 10,
- DSI_EINT_DLN0_LP_CONTROL_ERR = 11,
- DSI_EINT_PENDING_HS_TX_TIMEOUT = 12,
- DSI_EINT_INTERLEAVE_OP_CONTENTION = 13,
- DSI_EINT_CMD_DMA_FIFO_UNDERFLOW = 14,
- DSI_EINT_CMD_MDP_FIFO_UNDERFLOW = 15,
- DSI_EINT_DLN0_HS_FIFO_OVERFLOW = 16,
- DSI_EINT_DLN1_HS_FIFO_OVERFLOW = 17,
- DSI_EINT_DLN2_HS_FIFO_OVERFLOW = 18,
- DSI_EINT_DLN3_HS_FIFO_OVERFLOW = 19,
- DSI_EINT_DLN0_HS_FIFO_UNDERFLOW = 20,
- DSI_EINT_DLN1_HS_FIFO_UNDERFLOW = 21,
- DSI_EINT_DLN2_HS_FIFO_UNDERFLOW = 22,
- DSI_EINT_DLN3_HS_FIFO_UNDERFLOW = 23,
- DSI_EINT_DLN0_LP0_CONTENTION = 24,
- DSI_EINT_DLN1_LP0_CONTENTION = 25,
- DSI_EINT_DLN2_LP0_CONTENTION = 26,
- DSI_EINT_DLN3_LP0_CONTENTION = 27,
- DSI_EINT_DLN0_LP1_CONTENTION = 28,
- DSI_EINT_DLN1_LP1_CONTENTION = 29,
- DSI_EINT_DLN2_LP1_CONTENTION = 30,
- DSI_EINT_DLN3_LP1_CONTENTION = 31,
-
- DSI_ERROR_INTERRUPT_COUNT
-};
-
-/**
- * enum dsi_error_int_type - error interrupts generated by DSI controller
- * @DSI_RDBK_SINGLE_ECC_ERR: Single bit ECC error in read packet.
- * @DSI_RDBK_MULTI_ECC_ERR: Multi bit ECC error in read packet.
- * @DSI_RDBK_CRC_ERR: CRC error in read packet.
- * @DSI_RDBK_INCOMPLETE_PKT: Incomplete read packet.
- * @DSI_PERIPH_ERROR_PKT: Error packet returned from peripheral,
- * @DSI_LP_RX_TIMEOUT: Low power reverse transmission timeout.
- * @DSI_HS_TX_TIMEOUT: High speed forward transmission timeout.
- * @DSI_BTA_TIMEOUT: BTA timeout.
- * @DSI_PLL_UNLOCK: PLL has unlocked.
- * @DSI_DLN0_ESC_ENTRY_ERR: Incorrect LP Rx escape entry.
- * @DSI_DLN0_ESC_SYNC_ERR: LP Rx data is not byte aligned.
- * @DSI_DLN0_LP_CONTROL_ERR: Incorrect LP Rx state sequence.
- * @DSI_PENDING_HS_TX_TIMEOUT: Pending High-speed transfer timeout.
- * @DSI_INTERLEAVE_OP_CONTENTION: Interleave operation contention.
- * @DSI_CMD_DMA_FIFO_UNDERFLOW: Command mode DMA FIFO underflow.
- * @DSI_CMD_MDP_FIFO_UNDERFLOW: Command MDP FIFO underflow (failed to
- * receive one complete line from MDP).
- * @DSI_DLN0_HS_FIFO_OVERFLOW: High speed FIFO for data lane 0 overflows.
- * @DSI_DLN1_HS_FIFO_OVERFLOW: High speed FIFO for data lane 1 overflows.
- * @DSI_DLN2_HS_FIFO_OVERFLOW: High speed FIFO for data lane 2 overflows.
- * @DSI_DLN3_HS_FIFO_OVERFLOW: High speed FIFO for data lane 3 overflows.
- * @DSI_DLN0_HS_FIFO_UNDERFLOW: High speed FIFO for data lane 0 underflows.
- * @DSI_DLN1_HS_FIFO_UNDERFLOW: High speed FIFO for data lane 1 underflows.
- * @DSI_DLN2_HS_FIFO_UNDERFLOW: High speed FIFO for data lane 2 underflows.
- * @DSI_DLN3_HS_FIFO_UNDERFLOW: High speed FIFO for data lane 3 undeflows.
- * @DSI_DLN0_LP0_CONTENTION: PHY level contention while lane 0 is low.
- * @DSI_DLN1_LP0_CONTENTION: PHY level contention while lane 1 is low.
- * @DSI_DLN2_LP0_CONTENTION: PHY level contention while lane 2 is low.
- * @DSI_DLN3_LP0_CONTENTION: PHY level contention while lane 3 is low.
- * @DSI_DLN0_LP1_CONTENTION: PHY level contention while lane 0 is high.
- * @DSI_DLN1_LP1_CONTENTION: PHY level contention while lane 1 is high.
- * @DSI_DLN2_LP1_CONTENTION: PHY level contention while lane 2 is high.
- * @DSI_DLN3_LP1_CONTENTION: PHY level contention while lane 3 is high.
- */
-enum dsi_error_int_type {
- DSI_RDBK_SINGLE_ECC_ERR = BIT(DSI_EINT_RDBK_SINGLE_ECC_ERR),
- DSI_RDBK_MULTI_ECC_ERR = BIT(DSI_EINT_RDBK_MULTI_ECC_ERR),
- DSI_RDBK_CRC_ERR = BIT(DSI_EINT_RDBK_CRC_ERR),
- DSI_RDBK_INCOMPLETE_PKT = BIT(DSI_EINT_RDBK_INCOMPLETE_PKT),
- DSI_PERIPH_ERROR_PKT = BIT(DSI_EINT_PERIPH_ERROR_PKT),
- DSI_LP_RX_TIMEOUT = BIT(DSI_EINT_LP_RX_TIMEOUT),
- DSI_HS_TX_TIMEOUT = BIT(DSI_EINT_HS_TX_TIMEOUT),
- DSI_BTA_TIMEOUT = BIT(DSI_EINT_BTA_TIMEOUT),
- DSI_PLL_UNLOCK = BIT(DSI_EINT_PLL_UNLOCK),
- DSI_DLN0_ESC_ENTRY_ERR = BIT(DSI_EINT_DLN0_ESC_ENTRY_ERR),
- DSI_DLN0_ESC_SYNC_ERR = BIT(DSI_EINT_DLN0_ESC_SYNC_ERR),
- DSI_DLN0_LP_CONTROL_ERR = BIT(DSI_EINT_DLN0_LP_CONTROL_ERR),
- DSI_PENDING_HS_TX_TIMEOUT = BIT(DSI_EINT_PENDING_HS_TX_TIMEOUT),
- DSI_INTERLEAVE_OP_CONTENTION = BIT(DSI_EINT_INTERLEAVE_OP_CONTENTION),
- DSI_CMD_DMA_FIFO_UNDERFLOW = BIT(DSI_EINT_CMD_DMA_FIFO_UNDERFLOW),
- DSI_CMD_MDP_FIFO_UNDERFLOW = BIT(DSI_EINT_CMD_MDP_FIFO_UNDERFLOW),
- DSI_DLN0_HS_FIFO_OVERFLOW = BIT(DSI_EINT_DLN0_HS_FIFO_OVERFLOW),
- DSI_DLN1_HS_FIFO_OVERFLOW = BIT(DSI_EINT_DLN1_HS_FIFO_OVERFLOW),
- DSI_DLN2_HS_FIFO_OVERFLOW = BIT(DSI_EINT_DLN2_HS_FIFO_OVERFLOW),
- DSI_DLN3_HS_FIFO_OVERFLOW = BIT(DSI_EINT_DLN3_HS_FIFO_OVERFLOW),
- DSI_DLN0_HS_FIFO_UNDERFLOW = BIT(DSI_EINT_DLN0_HS_FIFO_UNDERFLOW),
- DSI_DLN1_HS_FIFO_UNDERFLOW = BIT(DSI_EINT_DLN1_HS_FIFO_UNDERFLOW),
- DSI_DLN2_HS_FIFO_UNDERFLOW = BIT(DSI_EINT_DLN2_HS_FIFO_UNDERFLOW),
- DSI_DLN3_HS_FIFO_UNDERFLOW = BIT(DSI_EINT_DLN3_HS_FIFO_UNDERFLOW),
- DSI_DLN0_LP0_CONTENTION = BIT(DSI_EINT_DLN0_LP0_CONTENTION),
- DSI_DLN1_LP0_CONTENTION = BIT(DSI_EINT_DLN1_LP0_CONTENTION),
- DSI_DLN2_LP0_CONTENTION = BIT(DSI_EINT_DLN2_LP0_CONTENTION),
- DSI_DLN3_LP0_CONTENTION = BIT(DSI_EINT_DLN3_LP0_CONTENTION),
- DSI_DLN0_LP1_CONTENTION = BIT(DSI_EINT_DLN0_LP1_CONTENTION),
- DSI_DLN1_LP1_CONTENTION = BIT(DSI_EINT_DLN1_LP1_CONTENTION),
- DSI_DLN2_LP1_CONTENTION = BIT(DSI_EINT_DLN2_LP1_CONTENTION),
- DSI_DLN3_LP1_CONTENTION = BIT(DSI_EINT_DLN3_LP1_CONTENTION),
-};
-
-/**
- * struct dsi_ctrl_cmd_dma_info - command buffer information
- * @offset: IOMMU VA for command buffer address.
- * @length: Length of the command buffer.
- * @en_broadcast: Enable broadcast mode if set to true.
- * @is_master: Is master in broadcast mode.
- * @use_lpm: Use low power mode for command transmission.
- */
-struct dsi_ctrl_cmd_dma_info {
- u32 offset;
- u32 length;
- bool en_broadcast;
- bool is_master;
- bool use_lpm;
-};
-
-/**
- * struct dsi_ctrl_cmd_dma_fifo_info - command payload tp be sent using FIFO
- * @command: VA for command buffer.
- * @size: Size of the command buffer.
- * @en_broadcast: Enable broadcast mode if set to true.
- * @is_master: Is master in broadcast mode.
- * @use_lpm: Use low power mode for command transmission.
- */
-struct dsi_ctrl_cmd_dma_fifo_info {
- u32 *command;
- u32 size;
- bool en_broadcast;
- bool is_master;
- bool use_lpm;
-};
-
-struct dsi_ctrl_hw;
-
-struct ctrl_ulps_config_ops {
- /**
- * ulps_request() - request ulps entry for specified lanes
- * @ctrl: Pointer to the controller host hardware.
- * @lanes: ORed list of lanes (enum dsi_data_lanes) which need
- * to enter ULPS.
- *
- * Caller should check if lanes are in ULPS mode by calling
- * get_lanes_in_ulps() operation.
- */
- void (*ulps_request)(struct dsi_ctrl_hw *ctrl, u32 lanes);
-
- /**
- * ulps_exit() - exit ULPS on specified lanes
- * @ctrl: Pointer to the controller host hardware.
- * @lanes: ORed list of lanes (enum dsi_data_lanes) which need
- * to exit ULPS.
- *
- * Caller should check if lanes are in active mode by calling
- * get_lanes_in_ulps() operation.
- */
- void (*ulps_exit)(struct dsi_ctrl_hw *ctrl, u32 lanes);
-
- /**
- * get_lanes_in_ulps() - returns the list of lanes in ULPS mode
- * @ctrl: Pointer to the controller host hardware.
- *
- * Returns an ORed list of lanes (enum dsi_data_lanes) that are in ULPS
- * state. If 0 is returned, all the lanes are active.
- *
- * Return: List of lanes in ULPS state.
- */
- u32 (*get_lanes_in_ulps)(struct dsi_ctrl_hw *ctrl);
-};
-
-/**
- * struct dsi_ctrl_hw_ops - operations supported by dsi host hardware
- */
-struct dsi_ctrl_hw_ops {
-
- /**
- * host_setup() - Setup DSI host configuration
- * @ctrl: Pointer to controller host hardware.
- * @config: Configuration for DSI host controller
- */
- void (*host_setup)(struct dsi_ctrl_hw *ctrl,
- struct dsi_host_common_cfg *config);
-
- /**
- * video_engine_en() - enable DSI video engine
- * @ctrl: Pointer to controller host hardware.
- * @on: Enable/disabel video engine.
- */
- void (*video_engine_en)(struct dsi_ctrl_hw *ctrl, bool on);
-
- /**
- * video_engine_setup() - Setup dsi host controller for video mode
- * @ctrl: Pointer to controller host hardware.
- * @common_cfg: Common configuration parameters.
- * @cfg: Video mode configuration.
- *
- * Set up DSI video engine with a specific configuration. Controller and
- * video engine are not enabled as part of this function.
- */
- void (*video_engine_setup)(struct dsi_ctrl_hw *ctrl,
- struct dsi_host_common_cfg *common_cfg,
- struct dsi_video_engine_cfg *cfg);
-
- /**
- * set_video_timing() - set up the timing for video frame
- * @ctrl: Pointer to controller host hardware.
- * @mode: Video mode information.
- *
- * Set up the video timing parameters for the DSI video mode operation.
- */
- void (*set_video_timing)(struct dsi_ctrl_hw *ctrl,
- struct dsi_mode_info *mode);
-
- /**
- * cmd_engine_setup() - setup dsi host controller for command mode
- * @ctrl: Pointer to the controller host hardware.
- * @common_cfg: Common configuration parameters.
- * @cfg: Command mode configuration.
- *
- * Setup DSI CMD engine with a specific configuration. Controller and
- * command engine are not enabled as part of this function.
- */
- void (*cmd_engine_setup)(struct dsi_ctrl_hw *ctrl,
- struct dsi_host_common_cfg *common_cfg,
- struct dsi_cmd_engine_cfg *cfg);
-
- /**
- * setup_cmd_stream() - set up parameters for command pixel streams
- * @ctrl: Pointer to controller host hardware.
- * @mode: Pointer to mode information.
- * @h_stride: Horizontal stride in bytes.
- * @vc_id: stream_id.
- *
- * Setup parameters for command mode pixel stream size.
- */
- void (*setup_cmd_stream)(struct dsi_ctrl_hw *ctrl,
- struct dsi_mode_info *mode,
- u32 h_stride,
- u32 vc_id,
- struct dsi_rect *roi);
-
- /**
- * ctrl_en() - enable DSI controller engine
- * @ctrl: Pointer to the controller host hardware.
- * @on: turn on/off the DSI controller engine.
- */
- void (*ctrl_en)(struct dsi_ctrl_hw *ctrl, bool on);
-
- /**
- * cmd_engine_en() - enable DSI controller command engine
- * @ctrl: Pointer to the controller host hardware.
- * @on: Turn on/off the DSI command engine.
- */
- void (*cmd_engine_en)(struct dsi_ctrl_hw *ctrl, bool on);
-
- /**
- * phy_sw_reset() - perform a soft reset on the PHY.
- * @ctrl: Pointer to the controller host hardware.
- */
- void (*phy_sw_reset)(struct dsi_ctrl_hw *ctrl);
-
- /**
- * debug_bus() - get dsi debug bus status.
- * @ctrl: Pointer to the controller host hardware.
- */
- void (*debug_bus)(struct dsi_ctrl_hw *ctrl);
-
- /**
- * soft_reset() - perform a soft reset on DSI controller
- * @ctrl: Pointer to the controller host hardware.
- *
- * The video, command and controller engines will be disabled before the
- * reset is triggered. After, the engines will be re-enabled to the same
- * state as before the reset.
- *
- * If the reset is done while MDP timing engine is turned on, the video
- * engine should be re-enabled only during the vertical blanking time.
- */
- void (*soft_reset)(struct dsi_ctrl_hw *ctrl);
-
- /**
- * setup_lane_map() - setup mapping between logical and physical lanes
- * @ctrl: Pointer to the controller host hardware.
- * @lane_map: Structure defining the mapping between DSI logical
- * lanes and physical lanes.
- */
- void (*setup_lane_map)(struct dsi_ctrl_hw *ctrl,
- struct dsi_lane_map *lane_map);
-
- /**
- * kickoff_command() - transmits commands stored in memory
- * @ctrl: Pointer to the controller host hardware.
- * @cmd: Command information.
- * @flags: Modifiers for command transmission.
- *
- * The controller hardware is programmed with address and size of the
- * command buffer. The transmission is kicked off if
- * DSI_CTRL_HW_CMD_WAIT_FOR_TRIGGER flag is not set. If this flag is
- * set, caller should make a separate call to trigger_command_dma() to
- * transmit the command.
- */
- void (*kickoff_command)(struct dsi_ctrl_hw *ctrl,
- struct dsi_ctrl_cmd_dma_info *cmd,
- u32 flags);
-
- /**
- * kickoff_fifo_command() - transmits a command using FIFO in dsi
- * hardware.
- * @ctrl: Pointer to the controller host hardware.
- * @cmd: Command information.
- * @flags: Modifiers for command transmission.
- *
- * The controller hardware FIFO is programmed with command header and
- * payload. The transmission is kicked off if
- * DSI_CTRL_HW_CMD_WAIT_FOR_TRIGGER flag is not set. If this flag is
- * set, caller should make a separate call to trigger_command_dma() to
- * transmit the command.
- */
- void (*kickoff_fifo_command)(struct dsi_ctrl_hw *ctrl,
- struct dsi_ctrl_cmd_dma_fifo_info *cmd,
- u32 flags);
-
- void (*reset_cmd_fifo)(struct dsi_ctrl_hw *ctrl);
- /**
- * trigger_command_dma() - trigger transmission of command buffer.
- * @ctrl: Pointer to the controller host hardware.
- *
- * This trigger can be only used if there was a prior call to
- * kickoff_command() of kickoff_fifo_command() with
- * DSI_CTRL_HW_CMD_WAIT_FOR_TRIGGER flag.
- */
- void (*trigger_command_dma)(struct dsi_ctrl_hw *ctrl);
-
- /**
- * get_cmd_read_data() - get data read from the peripheral
- * @ctrl: Pointer to the controller host hardware.
- * @rd_buf: Buffer where data will be read into.
- * @total_read_len: Number of bytes to read.
- */
- u32 (*get_cmd_read_data)(struct dsi_ctrl_hw *ctrl,
- u8 *rd_buf,
- u32 total_read_len);
-
- /**
- * wait_for_lane_idle() - wait for DSI lanes to go to idle state
- * @ctrl: Pointer to the controller host hardware.
- * @lanes: ORed list of lanes (enum dsi_data_lanes) which need
- * to be checked to be in idle state.
- */
- int (*wait_for_lane_idle)(struct dsi_ctrl_hw *ctrl, u32 lanes);
-
- struct ctrl_ulps_config_ops ulps_ops;
-
- /**
- * clamp_enable() - enable DSI clamps
- * @ctrl: Pointer to the controller host hardware.
- * @lanes: ORed list of lanes which need to have clamps released.
- * @enable_ulps: ulps state.
- */
-
- /**
- * clamp_enable() - enable DSI clamps to keep PHY driving a stable link
- * @ctrl: Pointer to the controller host hardware.
- * @lanes: ORed list of lanes which need to have clamps released.
- * @enable_ulps: TODO:??
- */
- void (*clamp_enable)(struct dsi_ctrl_hw *ctrl,
- u32 lanes,
- bool enable_ulps);
-
- /**
- * clamp_disable() - disable DSI clamps
- * @ctrl: Pointer to the controller host hardware.
- * @lanes: ORed list of lanes which need to have clamps released.
- * @disable_ulps: ulps state.
- */
- void (*clamp_disable)(struct dsi_ctrl_hw *ctrl,
- u32 lanes,
- bool disable_ulps);
-
- /**
- * phy_reset_config() - Disable/enable propagation of reset signal
- * from ahb domain to DSI PHY
- * @ctrl: Pointer to the controller host hardware.
- * @enable: True to mask the reset signal, false to unmask
- */
- void (*phy_reset_config)(struct dsi_ctrl_hw *ctrl,
- bool enable);
-
- /**
- * get_interrupt_status() - returns the interrupt status
- * @ctrl: Pointer to the controller host hardware.
- *
- * Returns the ORed list of interrupts(enum dsi_status_int_type) that
- * are active. This list does not include any error interrupts. Caller
- * should call get_error_status for error interrupts.
- *
- * Return: List of active interrupts.
- */
- u32 (*get_interrupt_status)(struct dsi_ctrl_hw *ctrl);
-
- /**
- * clear_interrupt_status() - clears the specified interrupts
- * @ctrl: Pointer to the controller host hardware.
- * @ints: List of interrupts to be cleared.
- */
- void (*clear_interrupt_status)(struct dsi_ctrl_hw *ctrl, u32 ints);
-
- /**
- * enable_status_interrupts() - enable the specified interrupts
- * @ctrl: Pointer to the controller host hardware.
- * @ints: List of interrupts to be enabled.
- *
- * Enables the specified interrupts. This list will override the
- * previous interrupts enabled through this function. Caller has to
- * maintain the state of the interrupts enabled. To disable all
- * interrupts, set ints to 0.
- */
- void (*enable_status_interrupts)(struct dsi_ctrl_hw *ctrl, u32 ints);
-
- /**
- * get_error_status() - returns the error status
- * @ctrl: Pointer to the controller host hardware.
- *
- * Returns the ORed list of errors(enum dsi_error_int_type) that are
- * active. This list does not include any status interrupts. Caller
- * should call get_interrupt_status for status interrupts.
- *
- * Return: List of active error interrupts.
- */
- u64 (*get_error_status)(struct dsi_ctrl_hw *ctrl);
-
- /**
- * clear_error_status() - clears the specified errors
- * @ctrl: Pointer to the controller host hardware.
- * @errors: List of errors to be cleared.
- */
- void (*clear_error_status)(struct dsi_ctrl_hw *ctrl, u64 errors);
-
- /**
- * enable_error_interrupts() - enable the specified interrupts
- * @ctrl: Pointer to the controller host hardware.
- * @errors: List of errors to be enabled.
- *
- * Enables the specified interrupts. This list will override the
- * previous interrupts enabled through this function. Caller has to
- * maintain the state of the interrupts enabled. To disable all
- * interrupts, set errors to 0.
- */
- void (*enable_error_interrupts)(struct dsi_ctrl_hw *ctrl, u64 errors);
-
- /**
- * video_test_pattern_setup() - setup test pattern engine for video mode
- * @ctrl: Pointer to the controller host hardware.
- * @type: Type of test pattern.
- * @init_val: Initial value to use for generating test pattern.
- */
- void (*video_test_pattern_setup)(struct dsi_ctrl_hw *ctrl,
- enum dsi_test_pattern type,
- u32 init_val);
-
- /**
- * cmd_test_pattern_setup() - setup test patttern engine for cmd mode
- * @ctrl: Pointer to the controller host hardware.
- * @type: Type of test pattern.
- * @init_val: Initial value to use for generating test pattern.
- * @stream_id: Stream Id on which packets are generated.
- */
- void (*cmd_test_pattern_setup)(struct dsi_ctrl_hw *ctrl,
- enum dsi_test_pattern type,
- u32 init_val,
- u32 stream_id);
-
- /**
- * test_pattern_enable() - enable test pattern engine
- * @ctrl: Pointer to the controller host hardware.
- * @enable: Enable/Disable test pattern engine.
- */
- void (*test_pattern_enable)(struct dsi_ctrl_hw *ctrl, bool enable);
-
- /**
- * clear_phy0_ln_err() - clear DSI PHY lane-0 errors
- * @ctrl: Pointer to the controller host hardware.
- */
- void (*clear_phy0_ln_err)(struct dsi_ctrl_hw *ctrl);
-
- /**
- * trigger_cmd_test_pattern() - trigger a command mode frame update with
- * test pattern
- * @ctrl: Pointer to the controller host hardware.
- * @stream_id: Stream on which frame update is sent.
- */
- void (*trigger_cmd_test_pattern)(struct dsi_ctrl_hw *ctrl,
- u32 stream_id);
-
- ssize_t (*reg_dump_to_buffer)(struct dsi_ctrl_hw *ctrl,
- char *buf,
- u32 size);
-
- /**
- * setup_misr() - Setup frame MISR
- * @ctrl: Pointer to the controller host hardware.
- * @panel_mode: CMD or VIDEO mode indicator
- * @enable: Enable/disable MISR.
- * @frame_count: Number of frames to accumulate MISR.
- */
- void (*setup_misr)(struct dsi_ctrl_hw *ctrl,
- enum dsi_op_mode panel_mode,
- bool enable, u32 frame_count);
-
- /**
- * collect_misr() - Read frame MISR
- * @ctrl: Pointer to the controller host hardware.
- * @panel_mode: CMD or VIDEO mode indicator
- */
- u32 (*collect_misr)(struct dsi_ctrl_hw *ctrl,
- enum dsi_op_mode panel_mode);
-
- /**
- * set_timing_db() - enable/disable Timing DB register
- * @ctrl: Pointer to controller host hardware.
- * @enable: Enable/Disable flag.
- *
- * Enable or Disabe the Timing DB register.
- */
- void (*set_timing_db)(struct dsi_ctrl_hw *ctrl,
- bool enable);
-};
-
-/*
- * struct dsi_ctrl_hw - DSI controller hardware object specific to an instance
- * @base: VA for the DSI controller base address.
- * @length: Length of the DSI controller register map.
- * @mmss_misc_base: Base address of mmss_misc register map.
- * @mmss_misc_length: Length of mmss_misc register map.
- * @disp_cc_base: Base address of disp_cc register map.
- * @disp_cc_length: Length of disp_cc register map.
- * @index: Instance ID of the controller.
- * @feature_map: Features supported by the DSI controller.
- * @ops: Function pointers to the operations supported by the
- * controller.
- * @supported_interrupts: Number of supported interrupts.
- * @supported_errors: Number of supported errors.
- * @phy_isolation_enabled: A boolean property allows to isolate the phy from
- * dsi controller and run only dsi controller.
- */
-struct dsi_ctrl_hw {
- void __iomem *base;
- u32 length;
- void __iomem *mmss_misc_base;
- u32 mmss_misc_length;
- void __iomem *disp_cc_base;
- u32 disp_cc_length;
- u32 index;
-
- /* features */
- DECLARE_BITMAP(feature_map, DSI_CTRL_MAX_FEATURES);
- struct dsi_ctrl_hw_ops ops;
-
- /* capabilities */
- u32 supported_interrupts;
- u64 supported_errors;
-
- bool phy_isolation_enabled;
-};
-
-#endif /* _DSI_CTRL_HW_H_ */
deleted file mode 100644
@@ -1,480 +0,0 @@
-/*
- * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#define pr_fmt(fmt) "dsi-hw:" fmt
-#include <linux/delay.h>
-#include <linux/iopoll.h>
-
-#include "dsi_ctrl_hw.h"
-#include "dsi_ctrl_reg.h"
-#include "dsi_hw.h"
-
-#define MMSS_MISC_CLAMP_REG_OFF 0x0014
-
-/**
- * dsi_ctrl_hw_14_setup_lane_map() - setup mapping between
- * logical and physical lanes
- * @ctrl: Pointer to the controller host hardware.
- * @lane_map: Structure defining the mapping between DSI logical
- * lanes and physical lanes.
- */
-void dsi_ctrl_hw_14_setup_lane_map(struct dsi_ctrl_hw *ctrl,
- struct dsi_lane_map *lane_map)
-{
- DSI_W32(ctrl, DSI_LANE_SWAP_CTRL, lane_map->lane_map_v1);
-
- pr_debug("[DSI_%d] Lane swap setup complete\n", ctrl->index);
-}
-
-/**
- * dsi_ctrl_hw_14_wait_for_lane_idle()
- * This function waits for all the active DSI lanes to be idle by polling all
- * the FIFO_EMPTY bits and polling he lane status to ensure that all the lanes
- * are in stop state. This function assumes that the bus clocks required to
- * access the registers are already turned on.
- *
- * @ctrl: Pointer to the controller host hardware.
- * @lanes: ORed list of lanes (enum dsi_data_lanes) which need
- * to be stopped.
- *
- * return: Error code.
- */
-int dsi_ctrl_hw_14_wait_for_lane_idle(struct dsi_ctrl_hw *ctrl, u32 lanes)
-{
- int rc = 0, val = 0;
- u32 stop_state_mask = 0, fifo_empty_mask = 0;
- u32 const sleep_us = 10;
- u32 const timeout_us = 100;
-
- if (lanes & DSI_DATA_LANE_0) {
- stop_state_mask |= BIT(0);
- fifo_empty_mask |= (BIT(12) | BIT(16));
- }
- if (lanes & DSI_DATA_LANE_1) {
- stop_state_mask |= BIT(1);
- fifo_empty_mask |= BIT(20);
- }
- if (lanes & DSI_DATA_LANE_2) {
- stop_state_mask |= BIT(2);
- fifo_empty_mask |= BIT(24);
- }
- if (lanes & DSI_DATA_LANE_3) {
- stop_state_mask |= BIT(3);
- fifo_empty_mask |= BIT(28);
- }
-
- pr_debug("%s: polling for fifo empty, mask=0x%08x\n", __func__,
- fifo_empty_mask);
- rc = readl_poll_timeout(ctrl->base + DSI_FIFO_STATUS, val,
- (val & fifo_empty_mask), sleep_us, timeout_us);
- if (rc) {
- pr_err("%s: fifo not empty, FIFO_STATUS=0x%08x\n",
- __func__, val);
- goto error;
- }
-
- pr_debug("%s: polling for lanes to be in stop state, mask=0x%08x\n",
- __func__, stop_state_mask);
- rc = readl_poll_timeout(ctrl->base + DSI_LANE_STATUS, val,
- (val & stop_state_mask), sleep_us, timeout_us);
- if (rc) {
- pr_err("%s: lanes not in stop state, LANE_STATUS=0x%08x\n",
- __func__, val);
- goto error;
- }
-
-error:
- return rc;
-
-}
-
-/**
- * ulps_request() - request ulps entry for specified lanes
- * @ctrl: Pointer to the controller host hardware.
- * @lanes: ORed list of lanes (enum dsi_data_lanes) which need
- * to enter ULPS.
- *
- * Caller should check if lanes are in ULPS mode by calling
- * get_lanes_in_ulps() operation.
- */
-void dsi_ctrl_hw_14_ulps_request(struct dsi_ctrl_hw *ctrl, u32 lanes)
-{
- u32 reg = 0;
-
- if (lanes & DSI_CLOCK_LANE)
- reg = BIT(4);
- if (lanes & DSI_DATA_LANE_0)
- reg |= BIT(0);
- if (lanes & DSI_DATA_LANE_1)
- reg |= BIT(1);
- if (lanes & DSI_DATA_LANE_2)
- reg |= BIT(2);
- if (lanes & DSI_DATA_LANE_3)
- reg |= BIT(3);
-
- /*
- * ULPS entry request. Wait for short time to make sure
- * that the lanes enter ULPS. Recommended as per HPG.
- */
- DSI_W32(ctrl, DSI_LANE_CTRL, reg);
- usleep_range(100, 110);
-
- pr_debug("[DSI_%d] ULPS requested for lanes 0x%x\n", ctrl->index,
- lanes);
-}
-
-/**
- * ulps_exit() - exit ULPS on specified lanes
- * @ctrl: Pointer to the controller host hardware.
- * @lanes: ORed list of lanes (enum dsi_data_lanes) which need
- * to exit ULPS.
- *
- * Caller should check if lanes are in active mode by calling
- * get_lanes_in_ulps() operation.
- */
-void dsi_ctrl_hw_14_ulps_exit(struct dsi_ctrl_hw *ctrl, u32 lanes)
-{
- u32 reg = 0;
-
- if (lanes & DSI_CLOCK_LANE)
- reg = BIT(12);
- if (lanes & DSI_DATA_LANE_0)
- reg |= BIT(8);
- if (lanes & DSI_DATA_LANE_1)
- reg |= BIT(9);
- if (lanes & DSI_DATA_LANE_2)
- reg |= BIT(10);
- if (lanes & DSI_DATA_LANE_3)
- reg |= BIT(11);
-
- /*
- * ULPS Exit Request
- * Hardware requirement is to wait for at least 1ms
- */
- DSI_W32(ctrl, DSI_LANE_CTRL, reg);
- usleep_range(1000, 1010);
- /*
- * Sometimes when exiting ULPS, it is possible that some DSI
- * lanes are not in the stop state which could lead to DSI
- * commands not going through. To avoid this, force the lanes
- * to be in stop state.
- */
- DSI_W32(ctrl, DSI_LANE_CTRL, reg << 8);
- DSI_W32(ctrl, DSI_LANE_CTRL, 0x0);
-
- pr_debug("[DSI_%d] ULPS exit request for lanes=0x%x\n",
- ctrl->index, lanes);
-}
-
-/**
- * get_lanes_in_ulps() - returns the list of lanes in ULPS mode
- * @ctrl: Pointer to the controller host hardware.
- *
- * Returns an ORed list of lanes (enum dsi_data_lanes) that are in ULPS
- * state. If 0 is returned, all the lanes are active.
- *
- * Return: List of lanes in ULPS state.
- */
-u32 dsi_ctrl_hw_14_get_lanes_in_ulps(struct dsi_ctrl_hw *ctrl)
-{
- u32 reg = 0;
- u32 lanes = 0;
-
- reg = DSI_R32(ctrl, DSI_LANE_STATUS);
- if (!(reg & BIT(8)))
- lanes |= DSI_DATA_LANE_0;
- if (!(reg & BIT(9)))
- lanes |= DSI_DATA_LANE_1;
- if (!(reg & BIT(10)))
- lanes |= DSI_DATA_LANE_2;
- if (!(reg & BIT(11)))
- lanes |= DSI_DATA_LANE_3;
- if (!(reg & BIT(12)))
- lanes |= DSI_CLOCK_LANE;
-
- pr_debug("[DSI_%d] lanes in ulps = 0x%x\n", ctrl->index, lanes);
- return lanes;
-}
-
-/**
- * clamp_enable() - enable DSI clamps to keep PHY driving a stable link
- * @ctrl: Pointer to the controller host hardware.
- * @lanes: ORed list of lanes which need to be clamped.
- * @enable_ulps: Boolean to specify if ULPS is enabled in DSI controller
- */
-void dsi_ctrl_hw_14_clamp_enable(struct dsi_ctrl_hw *ctrl,
- u32 lanes,
- bool enable_ulps)
-{
- u32 clamp_reg = 0;
- u32 bit_shift = 0;
- u32 reg = 0;
-
- if (ctrl->index == 1)
- bit_shift = 16;
-
- if (lanes & DSI_CLOCK_LANE) {
- clamp_reg |= BIT(9);
- if (enable_ulps)
- clamp_reg |= BIT(8);
- }
-
- if (lanes & DSI_DATA_LANE_0) {
- clamp_reg |= BIT(7);
- if (enable_ulps)
- clamp_reg |= BIT(6);
- }
-
- if (lanes & DSI_DATA_LANE_1) {
- clamp_reg |= BIT(5);
- if (enable_ulps)
- clamp_reg |= BIT(4);
- }
-
- if (lanes & DSI_DATA_LANE_2) {
- clamp_reg |= BIT(3);
- if (enable_ulps)
- clamp_reg |= BIT(2);
- }
-
- if (lanes & DSI_DATA_LANE_3) {
- clamp_reg |= BIT(1);
- if (enable_ulps)
- clamp_reg |= BIT(0);
- }
-
- reg = DSI_MMSS_MISC_R32(ctrl, MMSS_MISC_CLAMP_REG_OFF);
- reg |= (clamp_reg << bit_shift);
- DSI_MMSS_MISC_W32(ctrl, MMSS_MISC_CLAMP_REG_OFF, reg);
-
- reg = DSI_MMSS_MISC_R32(ctrl, MMSS_MISC_CLAMP_REG_OFF);
- reg |= (BIT(15) << bit_shift); /* Enable clamp */
- DSI_MMSS_MISC_W32(ctrl, MMSS_MISC_CLAMP_REG_OFF, reg);
-
- pr_debug("[DSI_%d] Clamps enabled for lanes=0x%x\n", ctrl->index,
- lanes);
-}
-
-/**
- * clamp_disable() - disable DSI clamps
- * @ctrl: Pointer to the controller host hardware.
- * @lanes: ORed list of lanes which need to have clamps released.
- * @disable_ulps: Boolean to specify if ULPS is enabled in DSI controller
- */
-void dsi_ctrl_hw_14_clamp_disable(struct dsi_ctrl_hw *ctrl,
- u32 lanes,
- bool disable_ulps)
-{
- u32 clamp_reg = 0;
- u32 bit_shift = 0;
- u32 reg = 0;
-
- if (ctrl->index == 1)
- bit_shift = 16;
-
- if (lanes & DSI_CLOCK_LANE) {
- clamp_reg |= BIT(9);
- if (disable_ulps)
- clamp_reg |= BIT(8);
- }
-
- if (lanes & DSI_DATA_LANE_0) {
- clamp_reg |= BIT(7);
- if (disable_ulps)
- clamp_reg |= BIT(6);
- }
-
- if (lanes & DSI_DATA_LANE_1) {
- clamp_reg |= BIT(5);
- if (disable_ulps)
- clamp_reg |= BIT(4);
- }
-
- if (lanes & DSI_DATA_LANE_2) {
- clamp_reg |= BIT(3);
- if (disable_ulps)
- clamp_reg |= BIT(2);
- }
-
- if (lanes & DSI_DATA_LANE_3) {
- clamp_reg |= BIT(1);
- if (disable_ulps)
- clamp_reg |= BIT(0);
- }
-
- clamp_reg |= BIT(15); /* Enable clamp */
- clamp_reg <<= bit_shift;
-
- reg = DSI_MMSS_MISC_R32(ctrl, MMSS_MISC_CLAMP_REG_OFF);
- reg &= ~(clamp_reg);
- DSI_MMSS_MISC_W32(ctrl, MMSS_MISC_CLAMP_REG_OFF, reg);
-
- pr_debug("[DSI_%d] Disable clamps for lanes=%d\n", ctrl->index, lanes);
-}
-
-#define DUMP_REG_VALUE(off) "\t%-30s: 0x%08x\n", #off, DSI_R32(ctrl, off)
-ssize_t dsi_ctrl_hw_14_reg_dump_to_buffer(struct dsi_ctrl_hw *ctrl,
- char *buf,
- u32 size)
-{
- u32 len = 0;
-
- len += snprintf((buf + len), (size - len), "CONFIGURATION REGS:\n");
-
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_HW_VERSION));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_STATUS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_FIFO_STATUS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_SYNC_DATATYPE));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_PIXEL_DATATYPE));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_BLANKING_DATATYPE));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_DATA_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_ACTIVE_H));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_ACTIVE_V));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_TOTAL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_HSYNC));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_VSYNC));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_VSYNC_VPOS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_DMA_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_DCS_CMD_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_DMA_CMD_OFFSET));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_DMA_CMD_LENGTH));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_DMA_FIFO_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_DMA_NULL_PACKET_DATA));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_STREAM0_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_STREAM0_TOTAL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_STREAM1_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_STREAM1_TOTAL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_ACK_ERR_STATUS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RDBK_DATA0));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RDBK_DATA1));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RDBK_DATA2));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RDBK_DATA3));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RDBK_DATATYPE0));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RDBK_DATATYPE1));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_TRIG_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_EXT_MUX));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_EXT_MUX_TE_PULSE_DETECT_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_CMD_MODE_DMA_SW_TRIGGER));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_CMD_MODE_MDP_SW_TRIGGER));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_CMD_MODE_BTA_SW_TRIGGER));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RESET_SW_TRIGGER));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_LANE_STATUS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_LANE_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_LANE_SWAP_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_DLN0_PHY_ERR));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_LP_TIMER_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_HS_TIMER_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_TIMEOUT_STATUS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_CLKOUT_TIMING_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_EOT_PACKET));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_EOT_PACKET_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_GENERIC_ESC_TX_TRIGGER));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_ERR_INT_MASK0));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_INT_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_SOFT_RESET));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_CLK_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_CLK_STATUS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_PHY_SW_RESET));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_AXI2AHB_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_CTRL2));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_STREAM2_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_STREAM2_TOTAL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VBIF_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_AES_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RDBK_DATA_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_TEST_PATTERN_GEN_CMD_DMA_INIT_VAL2));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_TPG_DMA_FIFO_STATUS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_TPG_DMA_FIFO_WRITE_TRIGGER));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_DSI_TIMING_FLUSH));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_DSI_TIMING_DB_MODE));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_TPG_DMA_FIFO_RESET));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VERSION));
-
- pr_err("LLENGTH = %d\n", len);
- return len;
-}
deleted file mode 100644
@@ -1,234 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#define pr_fmt(fmt) "dsi-hw:" fmt
-#include <linux/delay.h>
-#include <linux/iopoll.h>
-
-#include "dsi_ctrl_hw.h"
-#include "dsi_ctrl_reg.h"
-#include "dsi_hw.h"
-
-void dsi_ctrl_hw_20_setup_lane_map(struct dsi_ctrl_hw *ctrl,
- struct dsi_lane_map *lane_map)
-{
- u32 reg_value = lane_map->lane_map_v2[DSI_LOGICAL_LANE_0] |
- (lane_map->lane_map_v2[DSI_LOGICAL_LANE_1] << 4) |
- (lane_map->lane_map_v2[DSI_LOGICAL_LANE_2] << 8) |
- (lane_map->lane_map_v2[DSI_LOGICAL_LANE_3] << 12);
-
- DSI_W32(ctrl, DSI_LANE_SWAP_CTRL, reg_value);
-
- pr_debug("[DSI_%d] Lane swap setup complete\n", ctrl->index);
-}
-
-int dsi_ctrl_hw_20_wait_for_lane_idle(struct dsi_ctrl_hw *ctrl,
- u32 lanes)
-{
- int rc = 0, val = 0;
- u32 fifo_empty_mask = 0;
- u32 const sleep_us = 10;
- u32 const timeout_us = 100;
-
- if (lanes & DSI_DATA_LANE_0)
- fifo_empty_mask |= (BIT(12) | BIT(16));
-
- if (lanes & DSI_DATA_LANE_1)
- fifo_empty_mask |= BIT(20);
-
- if (lanes & DSI_DATA_LANE_2)
- fifo_empty_mask |= BIT(24);
-
- if (lanes & DSI_DATA_LANE_3)
- fifo_empty_mask |= BIT(28);
-
- pr_debug("%s: polling for fifo empty, mask=0x%08x\n", __func__,
- fifo_empty_mask);
- rc = readl_poll_timeout(ctrl->base + DSI_FIFO_STATUS, val,
- (val & fifo_empty_mask), sleep_us, timeout_us);
- if (rc) {
- pr_err("%s: fifo not empty, FIFO_STATUS=0x%08x\n",
- __func__, val);
- goto error;
- }
-
-error:
- return rc;
-}
-
-#define DUMP_REG_VALUE(off) "\t%-30s: 0x%08x\n", #off, DSI_R32(ctrl, off)
-ssize_t dsi_ctrl_hw_20_reg_dump_to_buffer(struct dsi_ctrl_hw *ctrl,
- char *buf,
- u32 size)
-{
- u32 len = 0;
-
- len += snprintf((buf + len), (size - len), "CONFIGURATION REGS:\n");
-
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_HW_VERSION));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_STATUS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_FIFO_STATUS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_SYNC_DATATYPE));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_PIXEL_DATATYPE));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_BLANKING_DATATYPE));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_DATA_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_ACTIVE_H));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_ACTIVE_V));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_TOTAL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_HSYNC));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_VSYNC));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VIDEO_MODE_VSYNC_VPOS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_DMA_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_DCS_CMD_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_DMA_CMD_OFFSET));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_DMA_CMD_LENGTH));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_DMA_FIFO_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_DMA_NULL_PACKET_DATA));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_STREAM0_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_STREAM0_TOTAL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_STREAM1_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_STREAM1_TOTAL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_ACK_ERR_STATUS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RDBK_DATA0));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RDBK_DATA1));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RDBK_DATA2));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RDBK_DATA3));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RDBK_DATATYPE0));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RDBK_DATATYPE1));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_TRIG_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_EXT_MUX));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_EXT_MUX_TE_PULSE_DETECT_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_CMD_MODE_DMA_SW_TRIGGER));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_CMD_MODE_MDP_SW_TRIGGER));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_CMD_MODE_BTA_SW_TRIGGER));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RESET_SW_TRIGGER));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_MISR_CMD_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_MISR_VIDEO_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_LANE_STATUS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_LANE_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_LANE_SWAP_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_DLN0_PHY_ERR));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_LP_TIMER_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_HS_TIMER_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_TIMEOUT_STATUS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_CLKOUT_TIMING_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_EOT_PACKET));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_EOT_PACKET_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_GENERIC_ESC_TX_TRIGGER));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_ERR_INT_MASK0));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_INT_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_SOFT_RESET));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_CLK_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_CLK_STATUS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_PHY_SW_RESET));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_AXI2AHB_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_MISR_CMD_MDP0_32BIT));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_MISR_CMD_MDP1_32BIT));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_MISR_VIDEO_32BIT));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_CTRL2));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_STREAM2_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_COMMAND_MODE_MDP_STREAM2_TOTAL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VBIF_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_AES_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_RDBK_DATA_CTRL));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_TEST_PATTERN_GEN_CMD_DMA_INIT_VAL2));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_TPG_DMA_FIFO_STATUS));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_TPG_DMA_FIFO_WRITE_TRIGGER));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_DSI_TIMING_FLUSH));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_DSI_TIMING_DB_MODE));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_TPG_DMA_FIFO_RESET));
- len += snprintf((buf + len), (size - len),
- DUMP_REG_VALUE(DSI_VERSION));
-
- pr_err("LLENGTH = %d\n", len);
- return len;
-}
deleted file mode 100644
@@ -1,42 +0,0 @@
-/*
- * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#define pr_fmt(fmt) "dsi-hw:" fmt
-
-#include "dsi_ctrl_hw.h"
-#include "dsi_ctrl_reg.h"
-#include "dsi_hw.h"
-
-/* Equivalent to register DISP_CC_MISC_CMD */
-#define DISP_CC_CLAMP_REG_OFF 0x00
-
-/**
- * dsi_ctrl_hw_22_phy_reset_config() - to configure clamp control during ulps
- * @ctrl: Pointer to the controller host hardware.
- * @enable: boolean to specify enable/disable.
- */
-void dsi_ctrl_hw_22_phy_reset_config(struct dsi_ctrl_hw *ctrl,
- bool enable)
-{
- u32 reg = 0;
-
- reg = DSI_DISP_CC_R32(ctrl, DISP_CC_CLAMP_REG_OFF);
-
- /* Mask/unmask disable PHY reset bit */
- if (enable)
- reg &= ~BIT(ctrl->index);
- else
- reg |= BIT(ctrl->index);
- DSI_DISP_CC_W32(ctrl, DISP_CC_CLAMP_REG_OFF, reg);
-}
deleted file mode 100644
@@ -1,1312 +0,0 @@
-/*
- * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#define pr_fmt(fmt) "dsi-hw:" fmt
-#include <linux/delay.h>
-#include <linux/iopoll.h>
-
-#include "dsi_ctrl_hw.h"
-#include "dsi_ctrl_reg.h"
-#include "dsi_hw.h"
-#include "dsi_panel.h"
-#include "dsi_catalog.h"
-#include "dpu_dbg.h"
-
-#define MMSS_MISC_CLAMP_REG_OFF 0x0014
-#define DSI_CTRL_DYNAMIC_FORCE_ON (0x23F|BIT(8)|BIT(9)|BIT(11)|BIT(21))
-#define DSI_CTRL_CMD_MISR_ENABLE BIT(28)
-#define DSI_CTRL_VIDEO_MISR_ENABLE BIT(16)
-
-/* Unsupported formats default to RGB888 */
-static const u8 cmd_mode_format_map[DSI_PIXEL_FORMAT_MAX] = {
- 0x6, 0x7, 0x8, 0x8, 0x0, 0x3, 0x4 };
-static const u8 video_mode_format_map[DSI_PIXEL_FORMAT_MAX] = {
- 0x0, 0x1, 0x2, 0x3, 0x3, 0x3, 0x3 };
-
-/**
- * dsi_setup_trigger_controls() - setup dsi trigger configurations
- * @ctrl: Pointer to the controller host hardware.
- * @cfg: DSI host configuration that is common to both video and
- * command modes.
- */
-static void dsi_setup_trigger_controls(struct dsi_ctrl_hw *ctrl,
- struct dsi_host_common_cfg *cfg)
-{
- u32 reg = 0;
- const u8 trigger_map[DSI_TRIGGER_MAX] = {
- 0x0, 0x2, 0x1, 0x4, 0x5, 0x6 };
-
- reg |= (cfg->te_mode == DSI_TE_ON_EXT_PIN) ? BIT(31) : 0;
- reg |= (trigger_map[cfg->dma_cmd_trigger] & 0x7);
- reg |= (trigger_map[cfg->mdp_cmd_trigger] & 0x7) << 4;
- DSI_W32(ctrl, DSI_TRIG_CTRL, reg);
-}
-
-/**
- * dsi_ctrl_hw_cmn_host_setup() - setup dsi host configuration
- * @ctrl: Pointer to the controller host hardware.
- * @cfg: DSI host configuration that is common to both video and
- * command modes.
- */
-void dsi_ctrl_hw_cmn_host_setup(struct dsi_ctrl_hw *ctrl,
- struct dsi_host_common_cfg *cfg)
-{
- u32 reg_value = 0;
-
- dsi_setup_trigger_controls(ctrl, cfg);
-
- /* Setup clocking timing controls */
- reg_value = ((cfg->t_clk_post & 0x3F) << 8);
- reg_value |= (cfg->t_clk_pre & 0x3F);
- DSI_W32(ctrl, DSI_CLKOUT_TIMING_CTRL, reg_value);
-
- /* EOT packet control */
- reg_value = cfg->append_tx_eot ? 1 : 0;
- reg_value |= (cfg->ignore_rx_eot ? (1 << 4) : 0);
- DSI_W32(ctrl, DSI_EOT_PACKET_CTRL, reg_value);
-
- /* Turn on dsi clocks */
- DSI_W32(ctrl, DSI_CLK_CTRL, 0x23F);
-
- /* Setup DSI control register */
- reg_value = DSI_R32(ctrl, DSI_CTRL);
- reg_value |= (cfg->en_crc_check ? BIT(24) : 0);
- reg_value |= (cfg->en_ecc_check ? BIT(20) : 0);
- reg_value |= BIT(8); /* Clock lane */
- reg_value |= ((cfg->data_lanes & DSI_DATA_LANE_3) ? BIT(7) : 0);
- reg_value |= ((cfg->data_lanes & DSI_DATA_LANE_2) ? BIT(6) : 0);
- reg_value |= ((cfg->data_lanes & DSI_DATA_LANE_1) ? BIT(5) : 0);
- reg_value |= ((cfg->data_lanes & DSI_DATA_LANE_0) ? BIT(4) : 0);
-
- DSI_W32(ctrl, DSI_CTRL, reg_value);
-
- if (ctrl->phy_isolation_enabled)
- DSI_W32(ctrl, DSI_DEBUG_CTRL, BIT(28));
- pr_debug("[DSI_%d]Host configuration complete\n", ctrl->index);
-}
-
-/**
- * phy_sw_reset() - perform a soft reset on the PHY.
- * @ctrl: Pointer to the controller host hardware.
- */
-void dsi_ctrl_hw_cmn_phy_sw_reset(struct dsi_ctrl_hw *ctrl)
-{
- DSI_W32(ctrl, DSI_PHY_SW_RESET, BIT(24)|BIT(0));
- wmb(); /* make sure reset is asserted */
- udelay(1000);
- DSI_W32(ctrl, DSI_PHY_SW_RESET, 0x0);
- wmb(); /* ensure reset is cleared before waiting */
- udelay(100);
-
- pr_debug("[DSI_%d] phy sw reset done\n", ctrl->index);
-}
-
-/**
- * soft_reset() - perform a soft reset on DSI controller
- * @ctrl: Pointer to the controller host hardware.
- *
- * The video, command and controller engines will be disabled before the
- * reset is triggered and re-enabled after the reset is complete.
- *
- * If the reset is done while MDP timing engine is turned on, the video
- * enigne should be re-enabled only during the vertical blanking time.
- */
-void dsi_ctrl_hw_cmn_soft_reset(struct dsi_ctrl_hw *ctrl)
-{
- u32 reg = 0;
- u32 reg_ctrl = 0;
-
- /* Clear DSI_EN, VIDEO_MODE_EN, CMD_MODE_EN */
- reg_ctrl = DSI_R32(ctrl, DSI_CTRL);
- DSI_W32(ctrl, DSI_CTRL, reg_ctrl & ~0x7);
- wmb(); /* wait controller to be disabled before reset */
-
- /* Force enable PCLK, BYTECLK, AHBM_HCLK */
- reg = DSI_R32(ctrl, DSI_CLK_CTRL);
- DSI_W32(ctrl, DSI_CLK_CTRL, reg | DSI_CTRL_DYNAMIC_FORCE_ON);
- wmb(); /* wait for clocks to be enabled */
-
- /* Trigger soft reset */
- DSI_W32(ctrl, DSI_SOFT_RESET, 0x1);
- wmb(); /* wait for reset to assert before waiting */
- udelay(1);
- DSI_W32(ctrl, DSI_SOFT_RESET, 0x0);
- wmb(); /* ensure reset is cleared */
-
- /* Disable force clock on */
- DSI_W32(ctrl, DSI_CLK_CTRL, reg);
- wmb(); /* make sure clocks are restored */
-
- /* Re-enable DSI controller */
- DSI_W32(ctrl, DSI_CTRL, reg_ctrl);
- wmb(); /* make sure DSI controller is enabled again */
- pr_debug("[DSI_%d] ctrl soft reset done\n", ctrl->index);
-}
-
-/**
- * setup_misr() - Setup frame MISR
- * @ctrl: Pointer to the controller host hardware.
- * @panel_mode: CMD or VIDEO mode indicator
- * @enable: Enable/disable MISR.
- * @frame_count: Number of frames to accumulate MISR.
- */
-void dsi_ctrl_hw_cmn_setup_misr(struct dsi_ctrl_hw *ctrl,
- enum dsi_op_mode panel_mode,
- bool enable,
- u32 frame_count)
-{
- u32 addr;
- u32 config = 0;
-
- if (panel_mode == DSI_OP_CMD_MODE) {
- addr = DSI_MISR_CMD_CTRL;
- if (enable)
- config = DSI_CTRL_CMD_MISR_ENABLE;
- } else {
- addr = DSI_MISR_VIDEO_CTRL;
- if (enable)
- config = DSI_CTRL_VIDEO_MISR_ENABLE;
- if (frame_count > 255)
- frame_count = 255;
- config |= frame_count << 8;
- }
-
- pr_debug("[DSI_%d] MISR ctrl: 0x%x\n", ctrl->index,
- config);
- DSI_W32(ctrl, addr, config);
- wmb(); /* make sure MISR is configured */
-}
-
-/**
- * collect_misr() - Read frame MISR
- * @ctrl: Pointer to the controller host hardware.
- * @panel_mode: CMD or VIDEO mode indicator
- */
-u32 dsi_ctrl_hw_cmn_collect_misr(struct dsi_ctrl_hw *ctrl,
- enum dsi_op_mode panel_mode)
-{
- u32 addr;
- u32 enabled;
- u32 misr = 0;
-
- if (panel_mode == DSI_OP_CMD_MODE) {
- addr = DSI_MISR_CMD_MDP0_32BIT;
- enabled = DSI_R32(ctrl, DSI_MISR_CMD_CTRL) &
- DSI_CTRL_CMD_MISR_ENABLE;
- } else {
- addr = DSI_MISR_VIDEO_32BIT;
- enabled = DSI_R32(ctrl, DSI_MISR_VIDEO_CTRL) &
- DSI_CTRL_VIDEO_MISR_ENABLE;
- }
-
- if (enabled)
- misr = DSI_R32(ctrl, addr);
-
- pr_debug("[DSI_%d] MISR enabled %x value: 0x%x\n", ctrl->index,
- enabled, misr);
- return misr;
-}
-
-/**
- * set_timing_db() - enable/disable Timing DB register
- * @ctrl: Pointer to controller host hardware.
- * @enable: Enable/Disable flag.
- *
- * Enable or Disabe the Timing DB register.
- */
-void dsi_ctrl_hw_cmn_set_timing_db(struct dsi_ctrl_hw *ctrl,
- bool enable)
-{
- if (enable)
- DSI_W32(ctrl, DSI_DSI_TIMING_DB_MODE, 0x1);
- else
- DSI_W32(ctrl, DSI_DSI_TIMING_DB_MODE, 0x0);
-
- wmb(); /* make sure timing db registers are set */
- pr_debug("[DSI_%d] ctrl timing DB set:%d\n", ctrl->index,
- enable);
- DPU_EVT32(ctrl->index, enable);
-}
-
-/**
- * set_video_timing() - set up the timing for video frame
- * @ctrl: Pointer to controller host hardware.
- * @mode: Video mode information.
- *
- * Set up the video timing parameters for the DSI video mode operation.
- */
-void dsi_ctrl_hw_cmn_set_video_timing(struct dsi_ctrl_hw *ctrl,
- struct dsi_mode_info *mode)
-{
- u32 reg = 0;
- u32 hs_start = 0;
- u32 hs_end, active_h_start, active_h_end, h_total, width = 0;
- u32 vs_start = 0, vs_end = 0;
- u32 vpos_start = 0, vpos_end, active_v_start, active_v_end, v_total;
-
- if (mode->dsc_enabled && mode->dsc) {
- width = mode->dsc->pclk_per_line;
- reg = mode->dsc->bytes_per_pkt << 16;
- reg |= (0x0b << 8); /* dtype of compressed image */
- /*
- * pkt_per_line:
- * 0 == 1 pkt
- * 1 == 2 pkt
- * 2 == 4 pkt
- * 3 pkt is not support
- */
- if (mode->dsc->pkt_per_line == 4)
- reg |= (mode->dsc->pkt_per_line - 2) << 6;
- else
- reg |= (mode->dsc->pkt_per_line - 1) << 6;
- reg |= mode->dsc->eol_byte_num << 4;
- reg |= 1;
- DSI_W32(ctrl, DSI_VIDEO_COMPRESSION_MODE_CTRL, reg);
- } else {
- width = mode->h_active;
- }
-
- hs_end = mode->h_sync_width;
- active_h_start = mode->h_sync_width + mode->h_back_porch;
- active_h_end = active_h_start + width;
- h_total = (mode->h_sync_width + mode->h_back_porch + width +
- mode->h_front_porch) - 1;
-
- vpos_end = mode->v_sync_width;
- active_v_start = mode->v_sync_width + mode->v_back_porch;
- active_v_end = active_v_start + mode->v_active;
- v_total = (mode->v_sync_width + mode->v_back_porch + mode->v_active +
- mode->v_front_porch) - 1;
-
- reg = ((active_h_end & 0xFFFF) << 16) | (active_h_start & 0xFFFF);
- DSI_W32(ctrl, DSI_VIDEO_MODE_ACTIVE_H, reg);
-
- reg = ((active_v_end & 0xFFFF) << 16) | (active_v_start & 0xFFFF);
- DSI_W32(ctrl, DSI_VIDEO_MODE_ACTIVE_V, reg);
-
- reg = ((v_total & 0xFFFF) << 16) | (h_total & 0xFFFF);
- DSI_W32(ctrl, DSI_VIDEO_MODE_TOTAL, reg);
-
- reg = ((hs_end & 0xFFFF) << 16) | (hs_start & 0xFFFF);
- DSI_W32(ctrl, DSI_VIDEO_MODE_HSYNC, reg);
-
- reg = ((vs_end & 0xFFFF) << 16) | (vs_start & 0xFFFF);
- DSI_W32(ctrl, DSI_VIDEO_MODE_VSYNC, reg);
-
- reg = ((vpos_end & 0xFFFF) << 16) | (vpos_start & 0xFFFF);
- DSI_W32(ctrl, DSI_VIDEO_MODE_VSYNC_VPOS, reg);
-
- /* TODO: HS TIMER value? */
- DSI_W32(ctrl, DSI_HS_TIMER_CTRL, 0x3FD08);
- DSI_W32(ctrl, DSI_MISR_VIDEO_CTRL, 0x10100);
- DSI_W32(ctrl, DSI_DSI_TIMING_FLUSH, 0x1);
- pr_debug("[DSI_%d] ctrl video parameters updated\n", ctrl->index);
- DPU_EVT32(v_total, h_total);
-}
-
-/**
- * setup_cmd_stream() - set up parameters for command pixel streams
- * @ctrl: Pointer to controller host hardware.
- * @mode: Pointer to mode information.
- * @h_stride: Horizontal stride in bytes.
- * @vc_id: stream_id
- *
- * Setup parameters for command mode pixel stream size.
- */
-void dsi_ctrl_hw_cmn_setup_cmd_stream(struct dsi_ctrl_hw *ctrl,
- struct dsi_mode_info *mode,
- u32 h_stride,
- u32 vc_id,
- struct dsi_rect *roi)
-{
- u32 width_final, stride_final;
- u32 height_final;
- u32 stream_total = 0, stream_ctrl = 0;
- u32 reg_ctrl = 0, reg_ctrl2 = 0;
-
- if (roi && (!roi->w || !roi->h))
- return;
-
- if (mode->dsc_enabled && mode->dsc) {
- u32 reg = 0;
- u32 offset = 0;
- int pic_width, this_frame_slices, intf_ip_w;
- struct msm_display_dsc_info dsc;
-
- memcpy(&dsc, mode->dsc, sizeof(dsc));
- pic_width = roi ? roi->w : mode->h_active;
- this_frame_slices = pic_width / dsc.slice_width;
- intf_ip_w = this_frame_slices * dsc.slice_width;
- dsi_dsc_pclk_param_calc(&dsc, intf_ip_w);
-
- if (vc_id != 0)
- offset = 16;
- reg_ctrl = DSI_R32(ctrl, DSI_COMMAND_COMPRESSION_MODE_CTRL);
- reg_ctrl2 = DSI_R32(ctrl, DSI_COMMAND_COMPRESSION_MODE_CTRL2);
- width_final = dsc.pclk_per_line;
- stride_final = dsc.bytes_per_pkt;
- height_final = roi ? roi->h : mode->v_active;
-
- reg = 0x39 << 8;
- /*
- * pkt_per_line:
- * 0 == 1 pkt
- * 1 == 2 pkt
- * 2 == 4 pkt
- * 3 pkt is not support
- */
- if (dsc.pkt_per_line == 4)
- reg |= (dsc.pkt_per_line - 2) << 6;
- else
- reg |= (dsc.pkt_per_line - 1) << 6;
- reg |= dsc.eol_byte_num << 4;
- reg |= 1;
-
- reg_ctrl &= ~(0xFFFF << offset);
- reg_ctrl |= (reg << offset);
- reg_ctrl2 &= ~(0xFFFF << offset);
- reg_ctrl2 |= (dsc.bytes_in_slice << offset);
-
- pr_debug("ctrl %d reg_ctrl 0x%x reg_ctrl2 0x%x\n", ctrl->index,
- reg_ctrl, reg_ctrl2);
- } else if (roi) {
- width_final = roi->w;
- stride_final = roi->w * 3;
- height_final = roi->h;
- } else {
- width_final = mode->h_active;
- stride_final = h_stride;
- height_final = mode->v_active;
- }
-
- stream_ctrl = (stride_final + 1) << 16;
- stream_ctrl |= (vc_id & 0x3) << 8;
- stream_ctrl |= 0x39; /* packet data type */
-
- DSI_W32(ctrl, DSI_COMMAND_COMPRESSION_MODE_CTRL, reg_ctrl);
- DSI_W32(ctrl, DSI_COMMAND_COMPRESSION_MODE_CTRL2, reg_ctrl2);
-
- DSI_W32(ctrl, DSI_COMMAND_MODE_MDP_STREAM0_CTRL, stream_ctrl);
- DSI_W32(ctrl, DSI_COMMAND_MODE_MDP_STREAM1_CTRL, stream_ctrl);
-
- stream_total = (height_final << 16) | width_final;
- DSI_W32(ctrl, DSI_COMMAND_MODE_MDP_STREAM0_TOTAL, stream_total);
- DSI_W32(ctrl, DSI_COMMAND_MODE_MDP_STREAM1_TOTAL, stream_total);
-
- pr_debug("ctrl %d stream_ctrl 0x%x stream_total 0x%x\n", ctrl->index,
- stream_ctrl, stream_total);
-}
-
-/**
- * video_engine_setup() - Setup dsi host controller for video mode
- * @ctrl: Pointer to controller host hardware.
- * @common_cfg: Common configuration parameters.
- * @cfg: Video mode configuration.
- *
- * Set up DSI video engine with a specific configuration. Controller and
- * video engine are not enabled as part of this function.
- */
-void dsi_ctrl_hw_cmn_video_engine_setup(struct dsi_ctrl_hw *ctrl,
- struct dsi_host_common_cfg *common_cfg,
- struct dsi_video_engine_cfg *cfg)
-{
- u32 reg = 0;
-
- reg |= (cfg->last_line_interleave_en ? BIT(31) : 0);
- reg |= (cfg->pulse_mode_hsa_he ? BIT(28) : 0);
- reg |= (cfg->hfp_lp11_en ? BIT(24) : 0);
- reg |= (cfg->hbp_lp11_en ? BIT(20) : 0);
- reg |= (cfg->hsa_lp11_en ? BIT(16) : 0);
- reg |= (cfg->eof_bllp_lp11_en ? BIT(15) : 0);
- reg |= (cfg->bllp_lp11_en ? BIT(12) : 0);
- reg |= (cfg->traffic_mode & 0x3) << 8;
- reg |= (cfg->vc_id & 0x3);
- reg |= (video_mode_format_map[common_cfg->dst_format] & 0x3) << 4;
- DSI_W32(ctrl, DSI_VIDEO_MODE_CTRL, reg);
-
- reg = (common_cfg->swap_mode & 0x7) << 12;
- reg |= (common_cfg->bit_swap_red ? BIT(0) : 0);
- reg |= (common_cfg->bit_swap_green ? BIT(4) : 0);
- reg |= (common_cfg->bit_swap_blue ? BIT(8) : 0);
- DSI_W32(ctrl, DSI_VIDEO_MODE_DATA_CTRL, reg);
- /* Disable Timing double buffering */
- DSI_W32(ctrl, DSI_DSI_TIMING_DB_MODE, 0x0);
-
-
- pr_debug("[DSI_%d] Video engine setup done\n", ctrl->index);
-}
-
-void dsi_ctrl_hw_cmn_debug_bus(struct dsi_ctrl_hw *ctrl)
-{
- u32 reg = 0;
-
- DSI_W32(ctrl, DSI_DEBUG_BUS_CTL, 0x181);
-
- /* make sure that debug test point is enabled */
- wmb();
- reg = DSI_R32(ctrl, DSI_DEBUG_BUS_STATUS);
-
- pr_err("[DSI_%d] debug bus status:0x%x\n", ctrl->index, reg);
-}
-/**
- * cmd_engine_setup() - setup dsi host controller for command mode
- * @ctrl: Pointer to the controller host hardware.
- * @common_cfg: Common configuration parameters.
- * @cfg: Command mode configuration.
- *
- * Setup DSI CMD engine with a specific configuration. Controller and
- * command engine are not enabled as part of this function.
- */
-void dsi_ctrl_hw_cmn_cmd_engine_setup(struct dsi_ctrl_hw *ctrl,
- struct dsi_host_common_cfg *common_cfg,
- struct dsi_cmd_engine_cfg *cfg)
-{
- u32 reg = 0;
-
- reg = (cfg->max_cmd_packets_interleave & 0xF) << 20;
- reg |= (common_cfg->bit_swap_red ? BIT(4) : 0);
- reg |= (common_cfg->bit_swap_green ? BIT(8) : 0);
- reg |= (common_cfg->bit_swap_blue ? BIT(12) : 0);
- reg |= cmd_mode_format_map[common_cfg->dst_format];
- DSI_W32(ctrl, DSI_COMMAND_MODE_MDP_CTRL, reg);
-
- reg = DSI_R32(ctrl, DSI_COMMAND_MODE_MDP_CTRL2);
- reg |= BIT(16);
- DSI_W32(ctrl, DSI_COMMAND_MODE_MDP_CTRL2, reg);
-
- reg = cfg->wr_mem_start & 0xFF;
- reg |= (cfg->wr_mem_continue & 0xFF) << 8;
- reg |= (cfg->insert_dcs_command ? BIT(16) : 0);
- DSI_W32(ctrl, DSI_COMMAND_MODE_MDP_DCS_CMD_CTRL, reg);
-
- pr_debug("[DSI_%d] Cmd engine setup done\n", ctrl->index);
-}
-
-/**
- * video_engine_en() - enable DSI video engine
- * @ctrl: Pointer to controller host hardware.
- * @on: Enable/disabel video engine.
- */
-void dsi_ctrl_hw_cmn_video_engine_en(struct dsi_ctrl_hw *ctrl, bool on)
-{
- u32 reg = 0;
-
- /* Set/Clear VIDEO_MODE_EN bit */
- reg = DSI_R32(ctrl, DSI_CTRL);
- if (on)
- reg |= BIT(1);
- else
- reg &= ~BIT(1);
-
- DSI_W32(ctrl, DSI_CTRL, reg);
-
- pr_debug("[DSI_%d] Video engine = %d\n", ctrl->index, on);
-}
-
-/**
- * ctrl_en() - enable DSI controller engine
- * @ctrl: Pointer to the controller host hardware.
- * @on: turn on/off the DSI controller engine.
- */
-void dsi_ctrl_hw_cmn_ctrl_en(struct dsi_ctrl_hw *ctrl, bool on)
-{
- u32 reg = 0;
- u32 clk_ctrl;
-
- clk_ctrl = DSI_R32(ctrl, DSI_CLK_CTRL);
- DSI_W32(ctrl, DSI_CLK_CTRL, clk_ctrl | DSI_CTRL_DYNAMIC_FORCE_ON);
- wmb(); /* wait for clocks to enable */
-
- /* Set/Clear DSI_EN bit */
- reg = DSI_R32(ctrl, DSI_CTRL);
- if (on)
- reg |= BIT(0);
- else
- reg &= ~BIT(0);
-
- DSI_W32(ctrl, DSI_CTRL, reg);
- wmb(); /* wait for DSI_EN update before disabling clocks */
-
- DSI_W32(ctrl, DSI_CLK_CTRL, clk_ctrl);
- wmb(); /* make sure clocks are restored */
-
- pr_debug("[DSI_%d] Controller engine = %d\n", ctrl->index, on);
-}
-
-/**
- * cmd_engine_en() - enable DSI controller command engine
- * @ctrl: Pointer to the controller host hardware.
- * @on: Turn on/off the DSI command engine.
- */
-void dsi_ctrl_hw_cmn_cmd_engine_en(struct dsi_ctrl_hw *ctrl, bool on)
-{
- u32 reg = 0;
-
- /* Set/Clear CMD_MODE_EN bit */
- reg = DSI_R32(ctrl, DSI_CTRL);
- if (on)
- reg |= BIT(2);
- else
- reg &= ~BIT(2);
-
- DSI_W32(ctrl, DSI_CTRL, reg);
-
- pr_debug("[DSI_%d] command engine = %d\n", ctrl->index, on);
-}
-
-/**
- * kickoff_command() - transmits commands stored in memory
- * @ctrl: Pointer to the controller host hardware.
- * @cmd: Command information.
- * @flags: Modifiers for command transmission.
- *
- * The controller hardware is programmed with address and size of the
- * command buffer. The transmission is kicked off if
- * DSI_CTRL_HW_CMD_WAIT_FOR_TRIGGER flag is not set. If this flag is
- * set, caller should make a separate call to trigger_command_dma() to
- * transmit the command.
- */
-void dsi_ctrl_hw_cmn_kickoff_command(struct dsi_ctrl_hw *ctrl,
- struct dsi_ctrl_cmd_dma_info *cmd,
- u32 flags)
-{
- u32 reg = 0;
-
- /*Set BROADCAST_EN and EMBEDDED_MODE */
- reg = DSI_R32(ctrl, DSI_COMMAND_MODE_DMA_CTRL);
- if (cmd->en_broadcast)
- reg |= BIT(31);
- else
- reg &= ~BIT(31);
-
- if (cmd->is_master)
- reg |= BIT(30);
- else
- reg &= ~BIT(30);
-
- if (cmd->use_lpm)
- reg |= BIT(26);
- else
- reg &= ~BIT(26);
-
- reg |= BIT(28);
- DSI_W32(ctrl, DSI_COMMAND_MODE_DMA_CTRL, reg);
-
- DSI_W32(ctrl, DSI_DMA_CMD_OFFSET, cmd->offset);
- DSI_W32(ctrl, DSI_DMA_CMD_LENGTH, (cmd->length & 0xFFFFFF));
-
- /* wait for writes to complete before kick off */
- wmb();
-
- if (!(flags & DSI_CTRL_HW_CMD_WAIT_FOR_TRIGGER))
- DSI_W32(ctrl, DSI_CMD_MODE_DMA_SW_TRIGGER, 0x1);
-}
-
-/**
- * kickoff_fifo_command() - transmits a command using FIFO in dsi
- * hardware.
- * @ctrl: Pointer to the controller host hardware.
- * @cmd: Command information.
- * @flags: Modifiers for command transmission.
- *
- * The controller hardware FIFO is programmed with command header and
- * payload. The transmission is kicked off if
- * DSI_CTRL_HW_CMD_WAIT_FOR_TRIGGER flag is not set. If this flag is
- * set, caller should make a separate call to trigger_command_dma() to
- * transmit the command.
- */
-void dsi_ctrl_hw_cmn_kickoff_fifo_command(struct dsi_ctrl_hw *ctrl,
- struct dsi_ctrl_cmd_dma_fifo_info *cmd,
- u32 flags)
-{
- u32 reg = 0, i = 0;
- u32 *ptr = cmd->command;
- /*
- * Set CMD_DMA_TPG_EN, TPG_DMA_FIFO_MODE and
- * CMD_DMA_PATTERN_SEL = custom pattern stored in TPG DMA FIFO
- */
- reg = (BIT(1) | BIT(2) | (0x3 << 16));
- DSI_W32(ctrl, DSI_TEST_PATTERN_GEN_CTRL, reg);
-
- /*
- * Program the FIFO with command buffer. Hardware requires an extra
- * DWORD (set to zero) if the length of command buffer is odd DWORDS.
- */
- for (i = 0; i < cmd->size; i += 4) {
- DSI_W32(ctrl, DSI_TEST_PATTERN_GEN_CMD_DMA_INIT_VAL, *ptr);
- ptr++;
- }
-
- if ((cmd->size / 4) & 0x1)
- DSI_W32(ctrl, DSI_TEST_PATTERN_GEN_CMD_DMA_INIT_VAL, 0);
-
- /*Set BROADCAST_EN and EMBEDDED_MODE */
- reg = DSI_R32(ctrl, DSI_COMMAND_MODE_DMA_CTRL);
- if (cmd->en_broadcast)
- reg |= BIT(31);
- else
- reg &= ~BIT(31);
-
- if (cmd->is_master)
- reg |= BIT(30);
- else
- reg &= ~BIT(30);
-
- if (cmd->use_lpm)
- reg |= BIT(26);
- else
- reg &= ~BIT(26);
-
- reg |= BIT(28);
-
- DSI_W32(ctrl, DSI_COMMAND_MODE_DMA_CTRL, reg);
-
- DSI_W32(ctrl, DSI_DMA_CMD_LENGTH, (cmd->size & 0xFFFFFFFF));
- /* Finish writes before command trigger */
- wmb();
-
- if (!(flags & DSI_CTRL_HW_CMD_WAIT_FOR_TRIGGER))
- DSI_W32(ctrl, DSI_CMD_MODE_DMA_SW_TRIGGER, 0x1);
-
- pr_debug("[DSI_%d]size=%d, trigger = %d\n",
- ctrl->index, cmd->size,
- (flags & DSI_CTRL_HW_CMD_WAIT_FOR_TRIGGER) ? false : true);
-}
-
-void dsi_ctrl_hw_cmn_reset_cmd_fifo(struct dsi_ctrl_hw *ctrl)
-{
- /* disable cmd dma tpg */
- DSI_W32(ctrl, DSI_TEST_PATTERN_GEN_CTRL, 0x0);
-
- DSI_W32(ctrl, DSI_TPG_DMA_FIFO_RESET, 0x1);
- udelay(1);
- DSI_W32(ctrl, DSI_TPG_DMA_FIFO_RESET, 0x0);
-}
-
-/**
- * trigger_command_dma() - trigger transmission of command buffer.
- * @ctrl: Pointer to the controller host hardware.
- *
- * This trigger can be only used if there was a prior call to
- * kickoff_command() of kickoff_fifo_command() with
- * DSI_CTRL_HW_CMD_WAIT_FOR_TRIGGER flag.
- */
-void dsi_ctrl_hw_cmn_trigger_command_dma(struct dsi_ctrl_hw *ctrl)
-{
- DSI_W32(ctrl, DSI_CMD_MODE_DMA_SW_TRIGGER, 0x1);
- pr_debug("[DSI_%d] CMD DMA triggered\n", ctrl->index);
-}
-
-/**
- * get_cmd_read_data() - get data read from the peripheral
- * @ctrl: Pointer to the controller host hardware.
- * @rd_buf: Buffer where data will be read into.
- * @total_read_len: Number of bytes to read.
- *
- * return: number of bytes read.
- */
-u32 dsi_ctrl_hw_cmn_get_cmd_read_data(struct dsi_ctrl_hw *ctrl,
- u8 *rd_buf,
- u32 read_offset,
- u32 total_read_len)
-{
- u32 *lp, *temp, data;
- int i, j = 0, cnt;
- u32 read_cnt;
- u32 rx_byte = 0;
- u32 repeated_bytes = 0;
- u8 reg[16] = {0};
- u32 pkt_size = 0;
- int buf_offset = read_offset;
-
- lp = (u32 *)rd_buf;
- temp = (u32 *)reg;
- cnt = (rx_byte + 3) >> 2;
-
- if (cnt > 4)
- cnt = 4;
-
- if (rx_byte == 4)
- read_cnt = 4;
- else
- read_cnt = pkt_size + 6;
-
- if (read_cnt > 16) {
- int bytes_shifted;
-
- bytes_shifted = read_cnt - 16;
- repeated_bytes = buf_offset - bytes_shifted;
- }
-
- for (i = cnt - 1; i >= 0; i--) {
- data = DSI_R32(ctrl, DSI_RDBK_DATA0 + i*4);
- *temp++ = ntohl(data);
- }
-
- for (i = repeated_bytes; i < 16; i++)
- rd_buf[j++] = reg[i];
-
- pr_debug("[DSI_%d] Read %d bytes\n", ctrl->index, j);
- return j;
-}
-
-/**
- * get_interrupt_status() - returns the interrupt status
- * @ctrl: Pointer to the controller host hardware.
- *
- * Returns the ORed list of interrupts(enum dsi_status_int_type) that
- * are active. This list does not include any error interrupts. Caller
- * should call get_error_status for error interrupts.
- *
- * Return: List of active interrupts.
- */
-u32 dsi_ctrl_hw_cmn_get_interrupt_status(struct dsi_ctrl_hw *ctrl)
-{
- u32 reg = 0;
- u32 ints = 0;
-
- reg = DSI_R32(ctrl, DSI_INT_CTRL);
-
- if (reg & BIT(0))
- ints |= DSI_CMD_MODE_DMA_DONE;
- if (reg & BIT(8))
- ints |= DSI_CMD_FRAME_DONE;
- if (reg & BIT(10))
- ints |= DSI_CMD_STREAM0_FRAME_DONE;
- if (reg & BIT(12))
- ints |= DSI_CMD_STREAM1_FRAME_DONE;
- if (reg & BIT(14))
- ints |= DSI_CMD_STREAM2_FRAME_DONE;
- if (reg & BIT(16))
- ints |= DSI_VIDEO_MODE_FRAME_DONE;
- if (reg & BIT(20))
- ints |= DSI_BTA_DONE;
- if (reg & BIT(28))
- ints |= DSI_DYN_REFRESH_DONE;
- if (reg & BIT(30))
- ints |= DSI_DESKEW_DONE;
-
- pr_debug("[DSI_%d] Interrupt status = 0x%x, INT_CTRL=0x%x\n",
- ctrl->index, ints, reg);
- return ints;
-}
-
-/**
- * clear_interrupt_status() - clears the specified interrupts
- * @ctrl: Pointer to the controller host hardware.
- * @ints: List of interrupts to be cleared.
- */
-void dsi_ctrl_hw_cmn_clear_interrupt_status(struct dsi_ctrl_hw *ctrl, u32 ints)
-{
- u32 reg = 0;
-
- reg = DSI_R32(ctrl, DSI_INT_CTRL);
-
- if (ints & DSI_CMD_MODE_DMA_DONE)
- reg |= BIT(0);
- if (ints & DSI_CMD_FRAME_DONE)
- reg |= BIT(8);
- if (ints & DSI_CMD_STREAM0_FRAME_DONE)
- reg |= BIT(10);
- if (ints & DSI_CMD_STREAM1_FRAME_DONE)
- reg |= BIT(12);
- if (ints & DSI_CMD_STREAM2_FRAME_DONE)
- reg |= BIT(14);
- if (ints & DSI_VIDEO_MODE_FRAME_DONE)
- reg |= BIT(16);
- if (ints & DSI_BTA_DONE)
- reg |= BIT(20);
- if (ints & DSI_DYN_REFRESH_DONE)
- reg |= BIT(28);
- if (ints & DSI_DESKEW_DONE)
- reg |= BIT(30);
-
- DSI_W32(ctrl, DSI_INT_CTRL, reg);
-
- pr_debug("[DSI_%d] Clear interrupts, ints = 0x%x, INT_CTRL=0x%x\n",
- ctrl->index, ints, reg);
-}
-
-/**
- * enable_status_interrupts() - enable the specified interrupts
- * @ctrl: Pointer to the controller host hardware.
- * @ints: List of interrupts to be enabled.
- *
- * Enables the specified interrupts. This list will override the
- * previous interrupts enabled through this function. Caller has to
- * maintain the state of the interrupts enabled. To disable all
- * interrupts, set ints to 0.
- */
-void dsi_ctrl_hw_cmn_enable_status_interrupts(
- struct dsi_ctrl_hw *ctrl, u32 ints)
-{
- u32 reg = 0;
-
- /* Do not change value of DSI_ERROR_MASK bit */
- reg |= (DSI_R32(ctrl, DSI_INT_CTRL) & BIT(25));
- if (ints & DSI_CMD_MODE_DMA_DONE)
- reg |= BIT(1);
- if (ints & DSI_CMD_FRAME_DONE)
- reg |= BIT(9);
- if (ints & DSI_CMD_STREAM0_FRAME_DONE)
- reg |= BIT(11);
- if (ints & DSI_CMD_STREAM1_FRAME_DONE)
- reg |= BIT(13);
- if (ints & DSI_CMD_STREAM2_FRAME_DONE)
- reg |= BIT(15);
- if (ints & DSI_VIDEO_MODE_FRAME_DONE)
- reg |= BIT(17);
- if (ints & DSI_BTA_DONE)
- reg |= BIT(21);
- if (ints & DSI_DYN_REFRESH_DONE)
- reg |= BIT(29);
- if (ints & DSI_DESKEW_DONE)
- reg |= BIT(31);
-
- DSI_W32(ctrl, DSI_INT_CTRL, reg);
-
- pr_debug("[DSI_%d] Enable interrupts 0x%x, INT_CTRL=0x%x\n",
- ctrl->index, ints, reg);
-}
-
-/**
- * get_error_status() - returns the error status
- * @ctrl: Pointer to the controller host hardware.
- *
- * Returns the ORed list of errors(enum dsi_error_int_type) that are
- * active. This list does not include any status interrupts. Caller
- * should call get_interrupt_status for status interrupts.
- *
- * Return: List of active error interrupts.
- */
-u64 dsi_ctrl_hw_cmn_get_error_status(struct dsi_ctrl_hw *ctrl)
-{
- u32 dln0_phy_err;
- u32 fifo_status;
- u32 ack_error;
- u32 timeout_errors;
- u32 clk_error;
- u32 dsi_status;
- u64 errors = 0;
-
- dln0_phy_err = DSI_R32(ctrl, DSI_DLN0_PHY_ERR);
- if (dln0_phy_err & BIT(0))
- errors |= DSI_DLN0_ESC_ENTRY_ERR;
- if (dln0_phy_err & BIT(4))
- errors |= DSI_DLN0_ESC_SYNC_ERR;
- if (dln0_phy_err & BIT(8))
- errors |= DSI_DLN0_LP_CONTROL_ERR;
- if (dln0_phy_err & BIT(12))
- errors |= DSI_DLN0_LP0_CONTENTION;
- if (dln0_phy_err & BIT(16))
- errors |= DSI_DLN0_LP1_CONTENTION;
-
- fifo_status = DSI_R32(ctrl, DSI_FIFO_STATUS);
- if (fifo_status & BIT(7))
- errors |= DSI_CMD_MDP_FIFO_UNDERFLOW;
- if (fifo_status & BIT(10))
- errors |= DSI_CMD_DMA_FIFO_UNDERFLOW;
- if (fifo_status & BIT(18))
- errors |= DSI_DLN0_HS_FIFO_OVERFLOW;
- if (fifo_status & BIT(19))
- errors |= DSI_DLN0_HS_FIFO_UNDERFLOW;
- if (fifo_status & BIT(22))
- errors |= DSI_DLN1_HS_FIFO_OVERFLOW;
- if (fifo_status & BIT(23))
- errors |= DSI_DLN1_HS_FIFO_UNDERFLOW;
- if (fifo_status & BIT(26))
- errors |= DSI_DLN2_HS_FIFO_OVERFLOW;
- if (fifo_status & BIT(27))
- errors |= DSI_DLN2_HS_FIFO_UNDERFLOW;
- if (fifo_status & BIT(30))
- errors |= DSI_DLN3_HS_FIFO_OVERFLOW;
- if (fifo_status & BIT(31))
- errors |= DSI_DLN3_HS_FIFO_UNDERFLOW;
-
- ack_error = DSI_R32(ctrl, DSI_ACK_ERR_STATUS);
- if (ack_error & BIT(16))
- errors |= DSI_RDBK_SINGLE_ECC_ERR;
- if (ack_error & BIT(17))
- errors |= DSI_RDBK_MULTI_ECC_ERR;
- if (ack_error & BIT(20))
- errors |= DSI_RDBK_CRC_ERR;
- if (ack_error & BIT(23))
- errors |= DSI_RDBK_INCOMPLETE_PKT;
- if (ack_error & BIT(24))
- errors |= DSI_PERIPH_ERROR_PKT;
-
- timeout_errors = DSI_R32(ctrl, DSI_TIMEOUT_STATUS);
- if (timeout_errors & BIT(0))
- errors |= DSI_HS_TX_TIMEOUT;
- if (timeout_errors & BIT(4))
- errors |= DSI_LP_RX_TIMEOUT;
- if (timeout_errors & BIT(8))
- errors |= DSI_BTA_TIMEOUT;
-
- clk_error = DSI_R32(ctrl, DSI_CLK_STATUS);
- if (clk_error & BIT(16))
- errors |= DSI_PLL_UNLOCK;
-
- dsi_status = DSI_R32(ctrl, DSI_STATUS);
- if (dsi_status & BIT(31))
- errors |= DSI_INTERLEAVE_OP_CONTENTION;
-
- pr_debug("[DSI_%d] Error status = 0x%llx, phy=0x%x, fifo=0x%x",
- ctrl->index, errors, dln0_phy_err, fifo_status);
- pr_debug("[DSI_%d] ack=0x%x, timeout=0x%x, clk=0x%x, dsi=0x%x\n",
- ctrl->index, ack_error, timeout_errors, clk_error, dsi_status);
- return errors;
-}
-
-/**
- * clear_error_status() - clears the specified errors
- * @ctrl: Pointer to the controller host hardware.
- * @errors: List of errors to be cleared.
- */
-void dsi_ctrl_hw_cmn_clear_error_status(struct dsi_ctrl_hw *ctrl, u64 errors)
-{
- u32 dln0_phy_err = 0;
- u32 fifo_status = 0;
- u32 ack_error = 0;
- u32 timeout_error = 0;
- u32 clk_error = 0;
- u32 dsi_status = 0;
- u32 int_ctrl = 0;
-
- if (errors & DSI_RDBK_SINGLE_ECC_ERR)
- ack_error |= BIT(16);
- if (errors & DSI_RDBK_MULTI_ECC_ERR)
- ack_error |= BIT(17);
- if (errors & DSI_RDBK_CRC_ERR)
- ack_error |= BIT(20);
- if (errors & DSI_RDBK_INCOMPLETE_PKT)
- ack_error |= BIT(23);
- if (errors & DSI_PERIPH_ERROR_PKT)
- ack_error |= BIT(24);
-
- if (errors & DSI_LP_RX_TIMEOUT)
- timeout_error |= BIT(4);
- if (errors & DSI_HS_TX_TIMEOUT)
- timeout_error |= BIT(0);
- if (errors & DSI_BTA_TIMEOUT)
- timeout_error |= BIT(8);
-
- if (errors & DSI_PLL_UNLOCK)
- clk_error |= BIT(16);
-
- if (errors & DSI_DLN0_LP0_CONTENTION)
- dln0_phy_err |= BIT(12);
- if (errors & DSI_DLN0_LP1_CONTENTION)
- dln0_phy_err |= BIT(16);
- if (errors & DSI_DLN0_ESC_ENTRY_ERR)
- dln0_phy_err |= BIT(0);
- if (errors & DSI_DLN0_ESC_SYNC_ERR)
- dln0_phy_err |= BIT(4);
- if (errors & DSI_DLN0_LP_CONTROL_ERR)
- dln0_phy_err |= BIT(8);
-
- if (errors & DSI_CMD_DMA_FIFO_UNDERFLOW)
- fifo_status |= BIT(10);
- if (errors & DSI_CMD_MDP_FIFO_UNDERFLOW)
- fifo_status |= BIT(7);
- if (errors & DSI_DLN0_HS_FIFO_OVERFLOW)
- fifo_status |= BIT(18);
- if (errors & DSI_DLN1_HS_FIFO_OVERFLOW)
- fifo_status |= BIT(22);
- if (errors & DSI_DLN2_HS_FIFO_OVERFLOW)
- fifo_status |= BIT(26);
- if (errors & DSI_DLN3_HS_FIFO_OVERFLOW)
- fifo_status |= BIT(30);
- if (errors & DSI_DLN0_HS_FIFO_UNDERFLOW)
- fifo_status |= BIT(19);
- if (errors & DSI_DLN1_HS_FIFO_UNDERFLOW)
- fifo_status |= BIT(23);
- if (errors & DSI_DLN2_HS_FIFO_UNDERFLOW)
- fifo_status |= BIT(27);
- if (errors & DSI_DLN3_HS_FIFO_UNDERFLOW)
- fifo_status |= BIT(31);
-
- if (errors & DSI_INTERLEAVE_OP_CONTENTION)
- dsi_status |= BIT(31);
-
- DSI_W32(ctrl, DSI_DLN0_PHY_ERR, dln0_phy_err);
- DSI_W32(ctrl, DSI_FIFO_STATUS, fifo_status);
- DSI_W32(ctrl, DSI_ACK_ERR_STATUS, ack_error);
- DSI_W32(ctrl, DSI_TIMEOUT_STATUS, timeout_error);
- DSI_W32(ctrl, DSI_CLK_STATUS, clk_error);
- DSI_W32(ctrl, DSI_STATUS, dsi_status);
-
- int_ctrl = DSI_R32(ctrl, DSI_INT_CTRL);
- int_ctrl |= BIT(24);
- DSI_W32(ctrl, DSI_INT_CTRL, int_ctrl);
- pr_debug("[DSI_%d] clear errors = 0x%llx, phy=0x%x, fifo=0x%x",
- ctrl->index, errors, dln0_phy_err, fifo_status);
- pr_debug("[DSI_%d] ack=0x%x, timeout=0x%x, clk=0x%x, dsi=0x%x\n",
- ctrl->index, ack_error, timeout_error, clk_error, dsi_status);
-}
-
-/**
- * enable_error_interrupts() - enable the specified interrupts
- * @ctrl: Pointer to the controller host hardware.
- * @errors: List of errors to be enabled.
- *
- * Enables the specified interrupts. This list will override the
- * previous interrupts enabled through this function. Caller has to
- * maintain the state of the interrupts enabled. To disable all
- * interrupts, set errors to 0.
- */
-void dsi_ctrl_hw_cmn_enable_error_interrupts(struct dsi_ctrl_hw *ctrl,
- u64 errors)
-{
- u32 int_ctrl = 0;
- u32 int_mask0 = 0x7FFF3BFF;
-
- int_ctrl = DSI_R32(ctrl, DSI_INT_CTRL);
- if (errors)
- int_ctrl |= BIT(25);
- else
- int_ctrl &= ~BIT(25);
-
- if (errors & DSI_RDBK_SINGLE_ECC_ERR)
- int_mask0 &= ~BIT(0);
- if (errors & DSI_RDBK_MULTI_ECC_ERR)
- int_mask0 &= ~BIT(1);
- if (errors & DSI_RDBK_CRC_ERR)
- int_mask0 &= ~BIT(2);
- if (errors & DSI_RDBK_INCOMPLETE_PKT)
- int_mask0 &= ~BIT(3);
- if (errors & DSI_PERIPH_ERROR_PKT)
- int_mask0 &= ~BIT(4);
-
- if (errors & DSI_LP_RX_TIMEOUT)
- int_mask0 &= ~BIT(5);
- if (errors & DSI_HS_TX_TIMEOUT)
- int_mask0 &= ~BIT(6);
- if (errors & DSI_BTA_TIMEOUT)
- int_mask0 &= ~BIT(7);
-
- if (errors & DSI_PLL_UNLOCK)
- int_mask0 &= ~BIT(28);
-
- if (errors & DSI_DLN0_LP0_CONTENTION)
- int_mask0 &= ~BIT(24);
- if (errors & DSI_DLN0_LP1_CONTENTION)
- int_mask0 &= ~BIT(25);
- if (errors & DSI_DLN0_ESC_ENTRY_ERR)
- int_mask0 &= ~BIT(21);
- if (errors & DSI_DLN0_ESC_SYNC_ERR)
- int_mask0 &= ~BIT(22);
- if (errors & DSI_DLN0_LP_CONTROL_ERR)
- int_mask0 &= ~BIT(23);
-
- if (errors & DSI_CMD_DMA_FIFO_UNDERFLOW)
- int_mask0 &= ~BIT(9);
- if (errors & DSI_CMD_MDP_FIFO_UNDERFLOW)
- int_mask0 &= ~BIT(11);
- if (errors & DSI_DLN0_HS_FIFO_OVERFLOW)
- int_mask0 &= ~BIT(16);
- if (errors & DSI_DLN1_HS_FIFO_OVERFLOW)
- int_mask0 &= ~BIT(17);
- if (errors & DSI_DLN2_HS_FIFO_OVERFLOW)
- int_mask0 &= ~BIT(18);
- if (errors & DSI_DLN3_HS_FIFO_OVERFLOW)
- int_mask0 &= ~BIT(19);
- if (errors & DSI_DLN0_HS_FIFO_UNDERFLOW)
- int_mask0 &= ~BIT(26);
- if (errors & DSI_DLN1_HS_FIFO_UNDERFLOW)
- int_mask0 &= ~BIT(27);
- if (errors & DSI_DLN2_HS_FIFO_UNDERFLOW)
- int_mask0 &= ~BIT(29);
- if (errors & DSI_DLN3_HS_FIFO_UNDERFLOW)
- int_mask0 &= ~BIT(30);
-
- if (errors & DSI_INTERLEAVE_OP_CONTENTION)
- int_mask0 &= ~BIT(8);
-
- DSI_W32(ctrl, DSI_INT_CTRL, int_ctrl);
- DSI_W32(ctrl, DSI_ERR_INT_MASK0, int_mask0);
-
- pr_debug("[DSI_%d] enable errors = 0x%llx, int_mask0=0x%x\n",
- ctrl->index, errors, int_mask0);
-}
-
-/**
- * video_test_pattern_setup() - setup test pattern engine for video mode
- * @ctrl: Pointer to the controller host hardware.
- * @type: Type of test pattern.
- * @init_val: Initial value to use for generating test pattern.
- */
-void dsi_ctrl_hw_cmn_video_test_pattern_setup(struct dsi_ctrl_hw *ctrl,
- enum dsi_test_pattern type,
- u32 init_val)
-{
- u32 reg = 0;
-
- DSI_W32(ctrl, DSI_TEST_PATTERN_GEN_VIDEO_INIT_VAL, init_val);
-
- switch (type) {
- case DSI_TEST_PATTERN_FIXED:
- reg |= (0x2 << 4);
- break;
- case DSI_TEST_PATTERN_INC:
- reg |= (0x1 << 4);
- break;
- case DSI_TEST_PATTERN_POLY:
- DSI_W32(ctrl, DSI_TEST_PATTERN_GEN_VIDEO_POLY, 0xF0F0F);
- break;
- default:
- break;
- }
-
- DSI_W32(ctrl, DSI_TPG_MAIN_CONTROL, 0x100);
- DSI_W32(ctrl, DSI_TPG_VIDEO_CONFIG, 0x5);
- DSI_W32(ctrl, DSI_TEST_PATTERN_GEN_CTRL, reg);
-
- pr_debug("[DSI_%d] Video test pattern setup done\n", ctrl->index);
-}
-
-/**
- * cmd_test_pattern_setup() - setup test patttern engine for cmd mode
- * @ctrl: Pointer to the controller host hardware.
- * @type: Type of test pattern.
- * @init_val: Initial value to use for generating test pattern.
- * @stream_id: Stream Id on which packets are generated.
- */
-void dsi_ctrl_hw_cmn_cmd_test_pattern_setup(struct dsi_ctrl_hw *ctrl,
- enum dsi_test_pattern type,
- u32 init_val,
- u32 stream_id)
-{
- u32 reg = 0;
- u32 init_offset;
- u32 poly_offset;
- u32 pattern_sel_shift;
-
- switch (stream_id) {
- case 0:
- init_offset = DSI_TEST_PATTERN_GEN_CMD_MDP_INIT_VAL0;
- poly_offset = DSI_TEST_PATTERN_GEN_CMD_MDP_STREAM0_POLY;
- pattern_sel_shift = 8;
- break;
- case 1:
- init_offset = DSI_TEST_PATTERN_GEN_CMD_MDP_INIT_VAL1;
- poly_offset = DSI_TEST_PATTERN_GEN_CMD_MDP_STREAM1_POLY;
- pattern_sel_shift = 12;
- break;
- case 2:
- init_offset = DSI_TEST_PATTERN_GEN_CMD_MDP_INIT_VAL2;
- poly_offset = DSI_TEST_PATTERN_GEN_CMD_MDP_STREAM2_POLY;
- pattern_sel_shift = 20;
- break;
- default:
- return;
- }
-
- DSI_W32(ctrl, init_offset, init_val);
-
- switch (type) {
- case DSI_TEST_PATTERN_FIXED:
- reg |= (0x2 << pattern_sel_shift);
- break;
- case DSI_TEST_PATTERN_INC:
- reg |= (0x1 << pattern_sel_shift);
- break;
- case DSI_TEST_PATTERN_POLY:
- DSI_W32(ctrl, poly_offset, 0xF0F0F);
- break;
- default:
- break;
- }
-
- DSI_W32(ctrl, DSI_TEST_PATTERN_GEN_CTRL, reg);
- pr_debug("[DSI_%d] Cmd test pattern setup done\n", ctrl->index);
-}
-
-/**
- * test_pattern_enable() - enable test pattern engine
- * @ctrl: Pointer to the controller host hardware.
- * @enable: Enable/Disable test pattern engine.
- */
-void dsi_ctrl_hw_cmn_test_pattern_enable(struct dsi_ctrl_hw *ctrl,
- bool enable)
-{
- u32 reg = DSI_R32(ctrl, DSI_TEST_PATTERN_GEN_CTRL);
-
- if (enable)
- reg |= BIT(0);
- else
- reg &= ~BIT(0);
-
- DSI_W32(ctrl, DSI_TEST_PATTERN_GEN_CTRL, reg);
-
- pr_debug("[DSI_%d] Test pattern enable=%d\n", ctrl->index, enable);
-}
-
-/**
- * trigger_cmd_test_pattern() - trigger a command mode frame update with
- * test pattern
- * @ctrl: Pointer to the controller host hardware.
- * @stream_id: Stream on which frame update is sent.
- */
-void dsi_ctrl_hw_cmn_trigger_cmd_test_pattern(struct dsi_ctrl_hw *ctrl,
- u32 stream_id)
-{
- switch (stream_id) {
- case 0:
- DSI_W32(ctrl, DSI_TEST_PATTERN_GEN_CMD_STREAM0_TRIGGER, 0x1);
- break;
- case 1:
- DSI_W32(ctrl, DSI_TEST_PATTERN_GEN_CMD_STREAM1_TRIGGER, 0x1);
- break;
- case 2:
- DSI_W32(ctrl, DSI_TEST_PATTERN_GEN_CMD_STREAM2_TRIGGER, 0x1);
- break;
- default:
- break;
- }
-
- pr_debug("[DSI_%d] Cmd Test pattern trigger\n", ctrl->index);
-}
-
-void dsi_ctrl_hw_dln0_phy_err(struct dsi_ctrl_hw *ctrl)
-{
- u32 status = 0;
- /*
- * Clear out any phy errors prior to exiting ULPS
- * This fixes certain instances where phy does not exit
- * ULPS cleanly. Also, do not print error during such cases.
- */
- status = DSI_R32(ctrl, DSI_DLN0_PHY_ERR);
- if (status & 0x011111) {
- DSI_W32(ctrl, DSI_DLN0_PHY_ERR, status);
- pr_err("%s: phy_err_status = %x\n", __func__, status);
- }
-}
-
-void dsi_ctrl_hw_cmn_phy_reset_config(struct dsi_ctrl_hw *ctrl,
- bool enable)
-{
- u32 reg = 0;
-
- reg = DSI_MMSS_MISC_R32(ctrl, MMSS_MISC_CLAMP_REG_OFF);
-
- /* Mask/unmask disable PHY reset bit */
- if (enable)
- reg |= BIT(30);
- else
- reg &= ~BIT(30);
-
- DSI_MMSS_MISC_W32(ctrl, MMSS_MISC_CLAMP_REG_OFF, reg);
-}
-
deleted file mode 100644
@@ -1,196 +0,0 @@
-/*
- * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _DSI_CTRL_REG_H_
-#define _DSI_CTRL_REG_H_
-
-#define DSI_HW_VERSION (0x0000)
-#define DSI_CTRL (0x0004)
-#define DSI_STATUS (0x0008)
-#define DSI_FIFO_STATUS (0x000C)
-#define DSI_VIDEO_MODE_CTRL (0x0010)
-#define DSI_VIDEO_MODE_SYNC_DATATYPE (0x0014)
-#define DSI_VIDEO_MODE_PIXEL_DATATYPE (0x0018)
-#define DSI_VIDEO_MODE_BLANKING_DATATYPE (0x001C)
-#define DSI_VIDEO_MODE_DATA_CTRL (0x0020)
-#define DSI_VIDEO_MODE_ACTIVE_H (0x0024)
-#define DSI_VIDEO_MODE_ACTIVE_V (0x0028)
-#define DSI_VIDEO_MODE_TOTAL (0x002C)
-#define DSI_VIDEO_MODE_HSYNC (0x0030)
-#define DSI_VIDEO_MODE_VSYNC (0x0034)
-#define DSI_VIDEO_MODE_VSYNC_VPOS (0x0038)
-#define DSI_COMMAND_MODE_DMA_CTRL (0x003C)
-#define DSI_COMMAND_MODE_MDP_CTRL (0x0040)
-#define DSI_COMMAND_MODE_MDP_DCS_CMD_CTRL (0x0044)
-#define DSI_DMA_CMD_OFFSET (0x0048)
-#define DSI_DMA_CMD_LENGTH (0x004C)
-#define DSI_DMA_FIFO_CTRL (0x0050)
-#define DSI_DMA_NULL_PACKET_DATA (0x0054)
-#define DSI_COMMAND_MODE_MDP_STREAM0_CTRL (0x0058)
-#define DSI_COMMAND_MODE_MDP_STREAM0_TOTAL (0x005C)
-#define DSI_COMMAND_MODE_MDP_STREAM1_CTRL (0x0060)
-#define DSI_COMMAND_MODE_MDP_STREAM1_TOTAL (0x0064)
-#define DSI_ACK_ERR_STATUS (0x0068)
-#define DSI_RDBK_DATA0 (0x006C)
-#define DSI_RDBK_DATA1 (0x0070)
-#define DSI_RDBK_DATA2 (0x0074)
-#define DSI_RDBK_DATA3 (0x0078)
-#define DSI_RDBK_DATATYPE0 (0x007C)
-#define DSI_RDBK_DATATYPE1 (0x0080)
-#define DSI_TRIG_CTRL (0x0084)
-#define DSI_EXT_MUX (0x0088)
-#define DSI_EXT_MUX_TE_PULSE_DETECT_CTRL (0x008C)
-#define DSI_CMD_MODE_DMA_SW_TRIGGER (0x0090)
-#define DSI_CMD_MODE_MDP_SW_TRIGGER (0x0094)
-#define DSI_CMD_MODE_BTA_SW_TRIGGER (0x0098)
-#define DSI_RESET_SW_TRIGGER (0x009C)
-#define DSI_MISR_CMD_CTRL (0x00A0)
-#define DSI_MISR_VIDEO_CTRL (0x00A4)
-#define DSI_LANE_STATUS (0x00A8)
-#define DSI_LANE_CTRL (0x00AC)
-#define DSI_LANE_SWAP_CTRL (0x00B0)
-#define DSI_DLN0_PHY_ERR (0x00B4)
-#define DSI_LP_TIMER_CTRL (0x00B8)
-#define DSI_HS_TIMER_CTRL (0x00BC)
-#define DSI_TIMEOUT_STATUS (0x00C0)
-#define DSI_CLKOUT_TIMING_CTRL (0x00C4)
-#define DSI_EOT_PACKET (0x00C8)
-#define DSI_EOT_PACKET_CTRL (0x00CC)
-#define DSI_GENERIC_ESC_TX_TRIGGER (0x00D0)
-#define DSI_CAM_BIST_CTRL (0x00D4)
-#define DSI_CAM_BIST_FRAME_SIZE (0x00D8)
-#define DSI_CAM_BIST_BLOCK_SIZE (0x00DC)
-#define DSI_CAM_BIST_FRAME_CONFIG (0x00E0)
-#define DSI_CAM_BIST_LSFR_CTRL (0x00E4)
-#define DSI_CAM_BIST_LSFR_INIT (0x00E8)
-#define DSI_CAM_BIST_START (0x00EC)
-#define DSI_CAM_BIST_STATUS (0x00F0)
-#define DSI_ERR_INT_MASK0 (0x010C)
-#define DSI_INT_CTRL (0x0110)
-#define DSI_IOBIST_CTRL (0x0114)
-#define DSI_SOFT_RESET (0x0118)
-#define DSI_CLK_CTRL (0x011C)
-#define DSI_CLK_STATUS (0x0120)
-#define DSI_DEBUG_BUS_CTL (0x0124)
-#define DSI_DEBUG_BUS_STATUS (0x0128)
-#define DSI_PHY_SW_RESET (0x012C)
-#define DSI_AXI2AHB_CTRL (0x0130)
-#define DSI_MISR_CMD_MDP0_32BIT (0x0134)
-#define DSI_MISR_CMD_MDP1_32BIT (0x0138)
-#define DSI_MISR_CMD_DMA_32BIT (0x013C)
-#define DSI_MISR_VIDEO_32BIT (0x0140)
-#define DSI_LANE_MISR_CTRL (0x0144)
-#define DSI_LANE0_MISR (0x0148)
-#define DSI_LANE1_MISR (0x014C)
-#define DSI_LANE2_MISR (0x0150)
-#define DSI_LANE3_MISR (0x0154)
-#define DSI_TEST_PATTERN_GEN_CTRL (0x015C)
-#define DSI_TEST_PATTERN_GEN_VIDEO_POLY (0x0160)
-#define DSI_TEST_PATTERN_GEN_VIDEO_INIT_VAL (0x0164)
-#define DSI_TEST_PATTERN_GEN_CMD_MDP_STREAM0_POLY (0x0168)
-#define DSI_TEST_PATTERN_GEN_CMD_MDP_INIT_VAL0 (0x016C)
-#define DSI_TEST_PATTERN_GEN_CMD_MDP_STREAM1_POLY (0x0170)
-#define DSI_TEST_PATTERN_GEN_CMD_MDP_INIT_VAL1 (0x0174)
-#define DSI_TEST_PATTERN_GEN_CMD_DMA_POLY (0x0178)
-#define DSI_TEST_PATTERN_GEN_CMD_DMA_INIT_VAL (0x017C)
-#define DSI_TEST_PATTERN_GEN_VIDEO_ENABLE (0x0180)
-#define DSI_TEST_PATTERN_GEN_CMD_STREAM0_TRIGGER (0x0184)
-#define DSI_TEST_PATTERN_GEN_CMD_STREAM1_TRIGGER (0x0188)
-#define DSI_TEST_PATTERN_GEN_CMD_MDP_INIT_VAL2 (0x018C)
-#define DSI_TEST_PATTERN_GEN_CMD_MDP_STREAM2_POLY (0x0190)
-#define DSI_TEST_PATTERN_GEN_CMD_MDP_STREAM2_POLY (0x0190)
-#define DSI_COMMAND_MODE_MDP_IDLE_CTRL (0x0194)
-#define DSI_TEST_PATTERN_GEN_CMD_STREAM2_TRIGGER (0x0198)
-#define DSI_TPG_MAIN_CONTROL (0x019C)
-#define DSI_TPG_MAIN_CONTROL2 (0x01A0)
-#define DSI_TPG_VIDEO_CONFIG (0x01A4)
-#define DSI_TPG_COMPONENT_LIMITS (0x01A8)
-#define DSI_TPG_RECTANGLE (0x01AC)
-#define DSI_TPG_BLACK_WHITE_PATTERN_FRAMES (0x01B0)
-#define DSI_TPG_RGB_MAPPING (0x01B4)
-#define DSI_COMMAND_MODE_MDP_CTRL2 (0x01B8)
-#define DSI_COMMAND_MODE_MDP_STREAM2_CTRL (0x01BC)
-#define DSI_COMMAND_MODE_MDP_STREAM2_TOTAL (0x01C0)
-#define DSI_MISR_CMD_MDP2_8BIT (0x01C4)
-#define DSI_MISR_CMD_MDP2_32BIT (0x01C8)
-#define DSI_VBIF_CTRL (0x01CC)
-#define DSI_AES_CTRL (0x01D0)
-#define DSI_RDBK_DATA_CTRL (0x01D4)
-#define DSI_TEST_PATTERN_GEN_CMD_DMA_INIT_VAL2 (0x01D8)
-#define DSI_TPG_DMA_FIFO_STATUS (0x01DC)
-#define DSI_TPG_DMA_FIFO_WRITE_TRIGGER (0x01E0)
-#define DSI_DSI_TIMING_FLUSH (0x01E4)
-#define DSI_DSI_TIMING_DB_MODE (0x01E8)
-#define DSI_TPG_DMA_FIFO_RESET (0x01EC)
-#define DSI_SCRATCH_REGISTER_0 (0x01F0)
-#define DSI_VERSION (0x01F4)
-#define DSI_SCRATCH_REGISTER_1 (0x01F8)
-#define DSI_SCRATCH_REGISTER_2 (0x01FC)
-#define DSI_DYNAMIC_REFRESH_CTRL (0x0200)
-#define DSI_DYNAMIC_REFRESH_PIPE_DELAY (0x0204)
-#define DSI_DYNAMIC_REFRESH_PIPE_DELAY2 (0x0208)
-#define DSI_DYNAMIC_REFRESH_PLL_DELAY (0x020C)
-#define DSI_DYNAMIC_REFRESH_STATUS (0x0210)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL0 (0x0214)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL1 (0x0218)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL2 (0x021C)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL3 (0x0220)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL4 (0x0224)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL5 (0x0228)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL6 (0x022C)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL7 (0x0230)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL8 (0x0234)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL9 (0x0238)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL10 (0x023C)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL11 (0x0240)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL12 (0x0244)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL13 (0x0248)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL14 (0x024C)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL15 (0x0250)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL16 (0x0254)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL17 (0x0258)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL18 (0x025C)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL19 (0x0260)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL20 (0x0264)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL21 (0x0268)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL22 (0x026C)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL23 (0x0270)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL24 (0x0274)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL25 (0x0278)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL26 (0x027C)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL27 (0x0280)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL28 (0x0284)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL29 (0x0288)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL30 (0x028C)
-#define DSI_DYNAMIC_REFRESH_PLL_CTRL31 (0x0290)
-#define DSI_DYNAMIC_REFRESH_PLL_UPPER_ADDR (0x0294)
-#define DSI_DYNAMIC_REFRESH_PLL_UPPER_ADDR2 (0x0298)
-#define DSI_VIDEO_COMPRESSION_MODE_CTRL (0x02A0)
-#define DSI_VIDEO_COMPRESSION_MODE_CTRL2 (0x02A4)
-#define DSI_COMMAND_COMPRESSION_MODE_CTRL (0x02A8)
-#define DSI_COMMAND_COMPRESSION_MODE_CTRL2 (0x02AC)
-#define DSI_COMMAND_COMPRESSION_MODE_CTRL3 (0x02B0)
-#define DSI_COMMAND_MODE_NULL_INSERTION_CTRL (0x02B4)
-#define DSI_READ_BACK_DISABLE_STATUS (0x02B8)
-#define DSI_DESKEW_CTRL (0x02BC)
-#define DSI_DESKEW_DELAY_CTRL (0x02C0)
-#define DSI_DESKEW_SW_TRIGGER (0x02C4)
-#define DSI_DEBUG_CTRL (0x02C8)
-#define DSI_SECURE_DISPLAY_STATUS (0x02CC)
-#define DSI_SECURE_DISPLAY_BLOCK_COMMAND_COLOR (0x02D0)
-#define DSI_SECURE_DISPLAY_BLOCK_VIDEO_COLOR (0x02D4)
-#define DSI_LOGICAL_LANE_SWAP_CTRL (0x0310)
-
-
-#endif /* _DSI_CTRL_REG_H_ */
deleted file mode 100644
@@ -1,579 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#ifndef _DSI_DEFS_H_
-#define _DSI_DEFS_H_
-
-#include <linux/types.h>
-#include <drm/drm_mipi_dsi.h>
-#include "msm_drv.h"
-
-#define DSI_H_TOTAL(t) (((t)->h_active) + ((t)->h_back_porch) + \
- ((t)->h_sync_width) + ((t)->h_front_porch))
-
-#define DSI_V_TOTAL(t) (((t)->v_active) + ((t)->v_back_porch) + \
- ((t)->v_sync_width) + ((t)->v_front_porch))
-
-#define DSI_H_TOTAL_DSC(t) \
- ({\
- u64 value;\
- if ((t)->dsc_enabled && (t)->dsc)\
- value = (t)->dsc->pclk_per_line;\
- else\
- value = (t)->h_active;\
- value = value + (t)->h_back_porch + (t)->h_sync_width +\
- (t)->h_front_porch;\
- value;\
- })
-
-#define DSI_DEBUG_NAME_LEN 32
-/**
- * enum dsi_pixel_format - DSI pixel formats
- * @DSI_PIXEL_FORMAT_RGB565:
- * @DSI_PIXEL_FORMAT_RGB666:
- * @DSI_PIXEL_FORMAT_RGB666_LOOSE:
- * @DSI_PIXEL_FORMAT_RGB888:
- * @DSI_PIXEL_FORMAT_RGB111:
- * @DSI_PIXEL_FORMAT_RGB332:
- * @DSI_PIXEL_FORMAT_RGB444:
- * @DSI_PIXEL_FORMAT_MAX:
- */
-enum dsi_pixel_format {
- DSI_PIXEL_FORMAT_RGB565 = 0,
- DSI_PIXEL_FORMAT_RGB666,
- DSI_PIXEL_FORMAT_RGB666_LOOSE,
- DSI_PIXEL_FORMAT_RGB888,
- DSI_PIXEL_FORMAT_RGB111,
- DSI_PIXEL_FORMAT_RGB332,
- DSI_PIXEL_FORMAT_RGB444,
- DSI_PIXEL_FORMAT_MAX
-};
-
-/**
- * enum dsi_op_mode - dsi operation mode
- * @DSI_OP_VIDEO_MODE: DSI video mode operation
- * @DSI_OP_CMD_MODE: DSI Command mode operation
- * @DSI_OP_MODE_MAX:
- */
-enum dsi_op_mode {
- DSI_OP_VIDEO_MODE = 0,
- DSI_OP_CMD_MODE,
- DSI_OP_MODE_MAX
-};
-
-/**
- * enum dsi_mode_flags - flags to signal other drm components via private flags
- * @DSI_MODE_FLAG_SEAMLESS: Seamless transition requested by user
- * @DSI_MODE_FLAG_DFPS: Seamless transition is DynamicFPS
- * @DSI_MODE_FLAG_VBLANK_PRE_MODESET: Transition needs VBLANK before Modeset
- * @DSI_MODE_FLAG_DMS: Seamless transition is dynamic mode switch
- * @DSI_MODE_FLAG_VRR: Seamless transition is DynamicFPS.
- * New timing values are sent from DAL.
- */
-enum dsi_mode_flags {
- DSI_MODE_FLAG_SEAMLESS = BIT(0),
- DSI_MODE_FLAG_DFPS = BIT(1),
- DSI_MODE_FLAG_VBLANK_PRE_MODESET = BIT(2),
- DSI_MODE_FLAG_DMS = BIT(3),
- DSI_MODE_FLAG_VRR = BIT(4),
-};
-
-/**
- * enum dsi_logical_lane - dsi logical lanes
- * @DSI_LOGICAL_LANE_0: Logical lane 0
- * @DSI_LOGICAL_LANE_1: Logical lane 1
- * @DSI_LOGICAL_LANE_2: Logical lane 2
- * @DSI_LOGICAL_LANE_3: Logical lane 3
- * @DSI_LOGICAL_CLOCK_LANE: Clock lane
- * @DSI_LANE_MAX: Maximum lanes supported
- */
-enum dsi_logical_lane {
- DSI_LOGICAL_LANE_0 = 0,
- DSI_LOGICAL_LANE_1,
- DSI_LOGICAL_LANE_2,
- DSI_LOGICAL_LANE_3,
- DSI_LOGICAL_CLOCK_LANE,
- DSI_LANE_MAX
-};
-
-/**
- * enum dsi_data_lanes - BIT map for DSI data lanes
- * This is used to identify the active DSI data lanes for
- * various operations like DSI data lane enable/ULPS/clamp
- * configurations.
- * @DSI_DATA_LANE_0: BIT(DSI_LOGICAL_LANE_0)
- * @DSI_DATA_LANE_1: BIT(DSI_LOGICAL_LANE_1)
- * @DSI_DATA_LANE_2: BIT(DSI_LOGICAL_LANE_2)
- * @DSI_DATA_LANE_3: BIT(DSI_LOGICAL_LANE_3)
- * @DSI_CLOCK_LANE: BIT(DSI_LOGICAL_CLOCK_LANE)
- */
-enum dsi_data_lanes {
- DSI_DATA_LANE_0 = BIT(DSI_LOGICAL_LANE_0),
- DSI_DATA_LANE_1 = BIT(DSI_LOGICAL_LANE_1),
- DSI_DATA_LANE_2 = BIT(DSI_LOGICAL_LANE_2),
- DSI_DATA_LANE_3 = BIT(DSI_LOGICAL_LANE_3),
- DSI_CLOCK_LANE = BIT(DSI_LOGICAL_CLOCK_LANE)
-};
-
-/**
- * enum dsi_phy_data_lanes - dsi physical lanes
- * used for DSI logical to physical lane mapping
- * @DSI_PHYSICAL_LANE_INVALID: Physical lane valid/invalid
- * @DSI_PHYSICAL_LANE_0: Physical lane 0
- * @DSI_PHYSICAL_LANE_1: Physical lane 1
- * @DSI_PHYSICAL_LANE_2: Physical lane 2
- * @DSI_PHYSICAL_LANE_3: Physical lane 3
- */
-enum dsi_phy_data_lanes {
- DSI_PHYSICAL_LANE_INVALID = 0,
- DSI_PHYSICAL_LANE_0 = BIT(0),
- DSI_PHYSICAL_LANE_1 = BIT(1),
- DSI_PHYSICAL_LANE_2 = BIT(2),
- DSI_PHYSICAL_LANE_3 = BIT(3)
-};
-
-enum dsi_lane_map_type_v1 {
- DSI_LANE_MAP_0123,
- DSI_LANE_MAP_3012,
- DSI_LANE_MAP_2301,
- DSI_LANE_MAP_1230,
- DSI_LANE_MAP_0321,
- DSI_LANE_MAP_1032,
- DSI_LANE_MAP_2103,
- DSI_LANE_MAP_3210,
-};
-
-/**
- * lane_map: DSI logical <-> physical lane mapping
- * lane_map_v1: Lane mapping for DSI controllers < v2.0
- * lane_map_v2: Lane mapping for DSI controllers >= 2.0
- */
-struct dsi_lane_map {
- enum dsi_lane_map_type_v1 lane_map_v1;
- u8 lane_map_v2[DSI_LANE_MAX - 1];
-};
-
-/**
- * enum dsi_trigger_type - dsi trigger type
- * @DSI_TRIGGER_NONE: No trigger.
- * @DSI_TRIGGER_TE: TE trigger.
- * @DSI_TRIGGER_SEOF: Start or End of frame.
- * @DSI_TRIGGER_SW: Software trigger.
- * @DSI_TRIGGER_SW_SEOF: Software trigger and start/end of frame.
- * @DSI_TRIGGER_SW_TE: Software and TE triggers.
- * @DSI_TRIGGER_MAX: Max trigger values.
- */
-enum dsi_trigger_type {
- DSI_TRIGGER_NONE = 0,
- DSI_TRIGGER_TE,
- DSI_TRIGGER_SEOF,
- DSI_TRIGGER_SW,
- DSI_TRIGGER_SW_SEOF,
- DSI_TRIGGER_SW_TE,
- DSI_TRIGGER_MAX
-};
-
-/**
- * enum dsi_color_swap_mode - color swap mode
- * @DSI_COLOR_SWAP_RGB:
- * @DSI_COLOR_SWAP_RBG:
- * @DSI_COLOR_SWAP_BGR:
- * @DSI_COLOR_SWAP_BRG:
- * @DSI_COLOR_SWAP_GRB:
- * @DSI_COLOR_SWAP_GBR:
- */
-enum dsi_color_swap_mode {
- DSI_COLOR_SWAP_RGB = 0,
- DSI_COLOR_SWAP_RBG,
- DSI_COLOR_SWAP_BGR,
- DSI_COLOR_SWAP_BRG,
- DSI_COLOR_SWAP_GRB,
- DSI_COLOR_SWAP_GBR
-};
-
-/**
- * enum dsi_dfps_type - Dynamic FPS support type
- * @DSI_DFPS_NONE: Dynamic FPS is not supported.
- * @DSI_DFPS_SUSPEND_RESUME:
- * @DSI_DFPS_IMMEDIATE_CLK:
- * @DSI_DFPS_IMMEDIATE_HFP:
- * @DSI_DFPS_IMMEDIATE_VFP:
- * @DSI_DPFS_MAX:
- */
-enum dsi_dfps_type {
- DSI_DFPS_NONE = 0,
- DSI_DFPS_SUSPEND_RESUME,
- DSI_DFPS_IMMEDIATE_CLK,
- DSI_DFPS_IMMEDIATE_HFP,
- DSI_DFPS_IMMEDIATE_VFP,
- DSI_DFPS_MAX
-};
-
-/**
- * enum dsi_cmd_set_type - DSI command set type
- * @DSI_CMD_SET_PRE_ON: Panel pre on
- * @DSI_CMD_SET_ON: Panel on
- * @DSI_CMD_SET_POST_ON: Panel post on
- * @DSI_CMD_SET_PRE_OFF: Panel pre off
- * @DSI_CMD_SET_OFF: Panel off
- * @DSI_CMD_SET_POST_OFF: Panel post off
- * @DSI_CMD_SET_PRE_RES_SWITCH: Pre resolution switch
- * @DSI_CMD_SET_RES_SWITCH: Resolution switch
- * @DSI_CMD_SET_POST_RES_SWITCH: Post resolution switch
- * @DSI_CMD_SET_CMD_TO_VID_SWITCH: Cmd to video mode switch
- * @DSI_CMD_SET_POST_CMD_TO_VID_SWITCH: Post cmd to vid switch
- * @DSI_CMD_SET_VID_TO_CMD_SWITCH: Video to cmd mode switch
- * @DSI_CMD_SET_POST_VID_TO_CMD_SWITCH: Post vid to cmd switch
- * @DSI_CMD_SET_PANEL_STATUS: Panel status
- * @DSI_CMD_SET_LP1: Low power mode 1
- * @DSI_CMD_SET_LP2: Low power mode 2
- * @DSI_CMD_SET_NOLP: Low power mode disable
- * @DSI_CMD_SET_PPS: DSC PPS command
- * @DSI_CMD_SET_TIMING_SWITCH: Timing switch
- * @DSI_CMD_SET_POST_TIMING_SWITCH: Post timing switch
- * @DSI_CMD_SET_MAX
- */
-enum dsi_cmd_set_type {
- DSI_CMD_SET_PRE_ON = 0,
- DSI_CMD_SET_ON,
- DSI_CMD_SET_POST_ON,
- DSI_CMD_SET_PRE_OFF,
- DSI_CMD_SET_OFF,
- DSI_CMD_SET_POST_OFF,
- DSI_CMD_SET_PRE_RES_SWITCH,
- DSI_CMD_SET_RES_SWITCH,
- DSI_CMD_SET_POST_RES_SWITCH,
- DSI_CMD_SET_CMD_TO_VID_SWITCH,
- DSI_CMD_SET_POST_CMD_TO_VID_SWITCH,
- DSI_CMD_SET_VID_TO_CMD_SWITCH,
- DSI_CMD_SET_POST_VID_TO_CMD_SWITCH,
- DSI_CMD_SET_PANEL_STATUS,
- DSI_CMD_SET_LP1,
- DSI_CMD_SET_LP2,
- DSI_CMD_SET_NOLP,
- DSI_CMD_SET_PPS,
- DSI_CMD_SET_TIMING_SWITCH,
- DSI_CMD_SET_POST_TIMING_SWITCH,
- DSI_CMD_SET_MAX
-};
-
-/**
- * enum dsi_cmd_set_state - command set state
- * @DSI_CMD_SET_STATE_LP: dsi low power mode
- * @DSI_CMD_SET_STATE_HS: dsi high speed mode
- * @DSI_CMD_SET_STATE_MAX
- */
-enum dsi_cmd_set_state {
- DSI_CMD_SET_STATE_LP = 0,
- DSI_CMD_SET_STATE_HS,
- DSI_CMD_SET_STATE_MAX
-};
-
-/**
- * enum dsi_phy_type - DSI phy types
- * @DSI_PHY_TYPE_DPHY:
- * @DSI_PHY_TYPE_CPHY:
- */
-enum dsi_phy_type {
- DSI_PHY_TYPE_DPHY,
- DSI_PHY_TYPE_CPHY
-};
-
-/**
- * enum dsi_te_mode - dsi te source
- * @DSI_TE_ON_DATA_LINK: TE read from DSI link
- * @DSI_TE_ON_EXT_PIN: TE signal on an external GPIO
- */
-enum dsi_te_mode {
- DSI_TE_ON_DATA_LINK = 0,
- DSI_TE_ON_EXT_PIN,
-};
-
-/**
- * enum dsi_video_traffic_mode - video mode pixel transmission type
- * @DSI_VIDEO_TRAFFIC_SYNC_PULSES: Non-burst mode with sync pulses.
- * @DSI_VIDEO_TRAFFIC_SYNC_START_EVENTS: Non-burst mode with sync start events.
- * @DSI_VIDEO_TRAFFIC_BURST_MODE: Burst mode using sync start events.
- */
-enum dsi_video_traffic_mode {
- DSI_VIDEO_TRAFFIC_SYNC_PULSES = 0,
- DSI_VIDEO_TRAFFIC_SYNC_START_EVENTS,
- DSI_VIDEO_TRAFFIC_BURST_MODE,
-};
-
-/**
- * struct dsi_cmd_desc - description of a dsi command
- * @msg: dsi mipi msg packet
- * @last_command: indicates whether the cmd is the last one to send
- * @post_wait_ms: post wait duration
- */
-struct dsi_cmd_desc {
- struct mipi_dsi_msg msg;
- bool last_command;
- u32 post_wait_ms;
-};
-
-/**
- * struct dsi_panel_cmd_set - command set of the panel
- * @type: type of the command
- * @state: state of the command
- * @count: number of cmds
- * @ctrl_idx: index of the dsi control
- * @cmds: arry of cmds
- */
-struct dsi_panel_cmd_set {
- enum dsi_cmd_set_type type;
- enum dsi_cmd_set_state state;
- u32 count;
- u32 ctrl_idx;
- struct dsi_cmd_desc *cmds;
-};
-
-/**
- * struct dsi_mode_info - video mode information dsi frame
- * @h_active: Active width of one frame in pixels.
- * @h_back_porch: Horizontal back porch in pixels.
- * @h_sync_width: HSYNC width in pixels.
- * @h_front_porch: Horizontal fron porch in pixels.
- * @h_skew:
- * @h_sync_polarity: Polarity of HSYNC (false is active low).
- * @v_active: Active height of one frame in lines.
- * @v_back_porch: Vertical back porch in lines.
- * @v_sync_width: VSYNC width in lines.
- * @v_front_porch: Vertical front porch in lines.
- * @v_sync_polarity: Polarity of VSYNC (false is active low).
- * @refresh_rate: Refresh rate in Hz.
- * @dsc_enabled: DSC compression enabled.
- * @dsc: DSC compression configuration.
- */
-struct dsi_mode_info {
- u32 h_active;
- u32 h_back_porch;
- u32 h_sync_width;
- u32 h_front_porch;
- u32 h_skew;
- bool h_sync_polarity;
-
- u32 v_active;
- u32 v_back_porch;
- u32 v_sync_width;
- u32 v_front_porch;
- bool v_sync_polarity;
-
- u32 refresh_rate;
-
- bool dsc_enabled;
- struct msm_display_dsc_info *dsc;
-};
-
-/**
- * struct dsi_host_common_cfg - Host configuration common to video and cmd mode
- * @dst_format: Destination pixel format.
- * @data_lanes: Physical data lanes to be enabled.
- * @en_crc_check: Enable CRC checks.
- * @en_ecc_check: Enable ECC checks.
- * @te_mode: Source for TE signalling.
- * @mdp_cmd_trigger: MDP frame update trigger for command mode.
- * @dma_cmd_trigger: Command DMA trigger.
- * @cmd_trigger_stream: Command mode stream to trigger.
- * @swap_mode: DSI color swap mode.
- * @bit_swap_read: Is red color bit swapped.
- * @bit_swap_green: Is green color bit swapped.
- * @bit_swap_blue: Is blue color bit swapped.
- * @t_clk_post: Number of byte clock cycles that the transmitter shall
- * continue sending after last data lane has transitioned
- * to LP mode.
- * @t_clk_pre: Number of byte clock cycles that the high spped clock
- * shall be driven prior to data lane transitions from LP
- * to HS mode.
- * @ignore_rx_eot: Ignore Rx EOT packets if set to true.
- * @append_tx_eot: Append EOT packets for forward transmissions if set to
- * true.
- */
-struct dsi_host_common_cfg {
- enum dsi_pixel_format dst_format;
- enum dsi_data_lanes data_lanes;
- bool en_crc_check;
- bool en_ecc_check;
- enum dsi_te_mode te_mode;
- enum dsi_trigger_type mdp_cmd_trigger;
- enum dsi_trigger_type dma_cmd_trigger;
- u32 cmd_trigger_stream;
- enum dsi_color_swap_mode swap_mode;
- bool bit_swap_red;
- bool bit_swap_green;
- bool bit_swap_blue;
- u32 t_clk_post;
- u32 t_clk_pre;
- bool ignore_rx_eot;
- bool append_tx_eot;
-};
-
-/**
- * struct dsi_video_engine_cfg - DSI video engine configuration
- * @last_line_interleave_en: Allow command mode op interleaved on last line of
- * video stream.
- * @pulse_mode_hsa_he: Send HSA and HE following VS/VE packet if set to
- * true.
- * @hfp_lp11_en: Enter low power stop mode (LP-11) during HFP.
- * @hbp_lp11_en: Enter low power stop mode (LP-11) during HBP.
- * @hsa_lp11_en: Enter low power stop mode (LP-11) during HSA.
- * @eof_bllp_lp11_en: Enter low power stop mode (LP-11) during BLLP of
- * last line of a frame.
- * @bllp_lp11_en: Enter low power stop mode (LP-11) during BLLP.
- * @traffic_mode: Traffic mode for video stream.
- * @vc_id: Virtual channel identifier.
- */
-struct dsi_video_engine_cfg {
- bool last_line_interleave_en;
- bool pulse_mode_hsa_he;
- bool hfp_lp11_en;
- bool hbp_lp11_en;
- bool hsa_lp11_en;
- bool eof_bllp_lp11_en;
- bool bllp_lp11_en;
- enum dsi_video_traffic_mode traffic_mode;
- u32 vc_id;
-};
-
-/**
- * struct dsi_cmd_engine_cfg - DSI command engine configuration
- * @max_cmd_packets_interleave Maximum number of command mode RGB packets to
- * send with in one horizontal blanking period
- * of the video mode frame.
- * @wr_mem_start: DCS command for write_memory_start.
- * @wr_mem_continue: DCS command for write_memory_continue.
- * @insert_dcs_command: Insert DCS command as first byte of payload
- * of the pixel data.
- * @mdp_transfer_time_us Specifies the mdp transfer time for command mode
- * panels in microseconds
- */
-struct dsi_cmd_engine_cfg {
- u32 max_cmd_packets_interleave;
- u32 wr_mem_start;
- u32 wr_mem_continue;
- bool insert_dcs_command;
- u32 mdp_transfer_time_us;
-};
-
-/**
- * struct dsi_host_config - DSI host configuration parameters.
- * @panel_mode: Operation mode for panel (video or cmd mode).
- * @common_config: Host configuration common to both Video and Cmd mode.
- * @video_engine: Video engine configuration if panel is in video mode.
- * @cmd_engine: Cmd engine configuration if panel is in cmd mode.
- * @esc_clk_rate_khz: Esc clock frequency in Hz.
- * @bit_clk_rate_hz: Bit clock frequency in Hz.
- * @video_timing: Video timing information of a frame.
- * @lane_map: Mapping between logical and physical lanes.
- */
-struct dsi_host_config {
- enum dsi_op_mode panel_mode;
- struct dsi_host_common_cfg common_config;
- union {
- struct dsi_video_engine_cfg video_engine;
- struct dsi_cmd_engine_cfg cmd_engine;
- } u;
- u64 esc_clk_rate_hz;
- u64 bit_clk_rate_hz;
- struct dsi_mode_info video_timing;
- struct dsi_lane_map lane_map;
-};
-
-/**
- * struct dsi_display_mode_priv_info - private mode info that will be attached
- * with each drm mode
- * @cmd_sets: Command sets of the mode
- * @phy_timing_val: Phy timing values
- * @phy_timing_len: Phy timing array length
- * @panel_jitter: Panel jitter for RSC backoff
- * @panel_prefill_lines: Panel prefill lines for RSC
- * @topology: Topology selected for the panel
- * @dsc: DSC compression info
- * @dsc_enabled: DSC compression enabled
- */
-struct dsi_display_mode_priv_info {
- struct dsi_panel_cmd_set cmd_sets[DSI_CMD_SET_MAX];
-
- u32 *phy_timing_val;
- u32 phy_timing_len;
-
- u32 panel_jitter_numer;
- u32 panel_jitter_denom;
- u32 panel_prefill_lines;
-
- struct msm_display_topology topology;
- struct msm_display_dsc_info dsc;
- bool dsc_enabled;
-};
-
-/**
- * struct dsi_display_mode - specifies mode for dsi display
- * @timing: Timing parameters for the panel.
- * @pixel_clk_khz: Pixel clock in Khz.
- * @dsi_mode_flags: Flags to signal other drm components via private flags
- * @priv_info: Mode private info
- */
-struct dsi_display_mode {
- struct dsi_mode_info timing;
- u32 pixel_clk_khz;
- u32 dsi_mode_flags;
- struct dsi_display_mode_priv_info *priv_info;
-};
-
-/**
- * struct dsi_rect - dsi rectangle representation
- * Note: dpu_rect is also using u16, this must be maintained for memcpy
- */
-struct dsi_rect {
- u16 x;
- u16 y;
- u16 w;
- u16 h;
-};
-
-/**
- * dsi_rect_intersect - intersect two rectangles
- * @r1: first rectangle
- * @r2: scissor rectangle
- * @result: result rectangle, all 0's on no intersection found
- */
-void dsi_rect_intersect(const struct dsi_rect *r1,
- const struct dsi_rect *r2,
- struct dsi_rect *result);
-
-/**
- * dsi_rect_is_equal - compares two rects
- * @r1: rect value to compare
- * @r2: rect value to compare
- *
- * Returns true if the rects are same
- */
-static inline bool dsi_rect_is_equal(struct dsi_rect *r1,
- struct dsi_rect *r2)
-{
- return r1->x == r2->x && r1->y == r2->y && r1->w == r2->w &&
- r1->h == r2->h;
-}
-
-struct dsi_event_cb_info {
- uint32_t event_idx;
- void *event_usr_ptr;
-
- int (*event_cb)(void *event_usr_ptr,
- uint32_t event_idx, uint32_t instance_idx,
- uint32_t data0, uint32_t data1,
- uint32_t data2, uint32_t data3);
-};
-
-#endif /* _DSI_DEFS_H_ */
deleted file mode 100644
@@ -1,4221 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#define pr_fmt(fmt) "msm-dsi-display:[%s] " fmt, __func__
-
-#include <linux/list.h>
-#include <linux/of.h>
-#include <linux/err.h>
-
-#include "msm_drv.h"
-#include "dpu_connector.h"
-#include "msm_mmu.h"
-#include "dsi_display.h"
-#include "dsi_panel.h"
-#include "dsi_ctrl.h"
-#include "dsi_ctrl_hw.h"
-#include "dsi_drm.h"
-#include "dsi_clk.h"
-#include "dsi_pwr.h"
-#include "dpu_dbg.h"
-
-#define to_dsi_display(x) container_of(x, struct dsi_display, host)
-#define INT_BASE_10 10
-#define NO_OVERRIDE -1
-
-#define MISR_BUFF_SIZE 256
-
-static DEFINE_MUTEX(dsi_display_list_lock);
-static LIST_HEAD(dsi_display_list);
-static char dsi_display_primary[MAX_CMDLINE_PARAM_LEN];
-static char dsi_display_secondary[MAX_CMDLINE_PARAM_LEN];
-static struct dsi_display_boot_param boot_displays[MAX_DSI_ACTIVE_DISPLAY];
-static struct device_node *default_active_node;
-static const struct of_device_id dsi_display_dt_match[] = {
- {.compatible = "qcom,dsi-display"},
- {}
-};
-
-static struct dsi_display *main_display;
-
-void dsi_rect_intersect(const struct dsi_rect *r1,
- const struct dsi_rect *r2,
- struct dsi_rect *result)
-{
- int l, t, r, b;
-
- if (!r1 || !r2 || !result)
- return;
-
- l = max(r1->x, r2->x);
- t = max(r1->y, r2->y);
- r = min((r1->x + r1->w), (r2->x + r2->w));
- b = min((r1->y + r1->h), (r2->y + r2->h));
-
- if (r <= l || b <= t) {
- memset(result, 0, sizeof(*result));
- } else {
- result->x = l;
- result->y = t;
- result->w = r - l;
- result->h = b - t;
- }
-}
-
-int dsi_display_set_backlight(void *display, u32 bl_lvl)
-{
- struct dsi_display *dsi_display = display;
- struct dsi_panel *panel;
- u32 bl_scale, bl_scale_ad;
- u64 bl_temp;
- int rc = 0;
-
- if (dsi_display == NULL || dsi_display->panel == NULL)
- return -EINVAL;
-
- panel = dsi_display->panel;
-
- if (!dsi_panel_initialized(panel))
- return -EINVAL;
-
- panel->bl_config.bl_level = bl_lvl;
-
- /* scale backlight */
- bl_scale = panel->bl_config.bl_scale;
- bl_temp = bl_lvl * bl_scale / MAX_BL_SCALE_LEVEL;
-
- bl_scale_ad = panel->bl_config.bl_scale_ad;
- bl_temp = (u32)bl_temp * bl_scale_ad / MAX_AD_BL_SCALE_LEVEL;
-
- pr_debug("bl_scale = %u, bl_scale_ad = %u, bl_lvl = %u\n",
- bl_scale, bl_scale_ad, (u32)bl_temp);
-
- rc = dsi_display_clk_ctrl(dsi_display->dsi_clk_handle,
- DSI_CORE_CLK, DSI_CLK_ON);
- if (rc) {
- pr_err("[%s] failed to enable DSI core clocks, rc=%d\n",
- dsi_display->name, rc);
- goto error;
- }
-
- rc = dsi_panel_set_backlight(panel, (u32)bl_temp);
- if (rc)
- pr_err("unable to set backlight\n");
-
- rc = dsi_display_clk_ctrl(dsi_display->dsi_clk_handle,
- DSI_CORE_CLK, DSI_CLK_OFF);
- if (rc) {
- pr_err("[%s] failed to disable DSI core clocks, rc=%d\n",
- dsi_display->name, rc);
- goto error;
- }
-
-error:
- return rc;
-}
-
-int dsi_display_soft_reset(void *display)
-{
- struct dsi_display *dsi_display;
- struct dsi_display_ctrl *ctrl;
- int rc = 0;
- int i;
-
- if (!display)
- return -EINVAL;
-
- dsi_display = display;
-
- for (i = 0 ; i < dsi_display->ctrl_count; i++) {
- ctrl = &dsi_display->ctrl[i];
- rc = dsi_ctrl_soft_reset(ctrl->ctrl);
- if (rc) {
- pr_err("[%s] failed to soft reset host_%d, rc=%d\n",
- dsi_display->name, i, rc);
- break;
- }
- }
-
- return rc;
-}
-
-enum dsi_pixel_format dsi_display_get_dst_format(void *display)
-{
- enum dsi_pixel_format format = DSI_PIXEL_FORMAT_MAX;
- struct dsi_display *dsi_display = (struct dsi_display *)display;
-
- if (!dsi_display || !dsi_display->panel) {
- pr_err("Invalid params(s) dsi_display %pK, panel %pK\n",
- dsi_display,
- ((dsi_display) ? dsi_display->panel : NULL));
- return format;
- }
-
- format = dsi_display->panel->host_config.dst_format;
- return format;
-}
-
-static void _dsi_display_setup_misr(struct dsi_display *display)
-{
- int i;
-
- for (i = 0; i < display->ctrl_count; i++) {
- dsi_ctrl_setup_misr(display->ctrl[i].ctrl,
- display->misr_enable,
- display->misr_frame_count);
- }
-}
-
-int dsi_display_set_power(struct drm_connector *connector,
- int power_mode, void *disp)
-{
- struct dsi_display *display = disp;
- int rc = 0;
-
- if (!display || !display->panel) {
- pr_err("invalid display/panel\n");
- return -EINVAL;
- }
-
- switch (power_mode) {
- case DPU_MODE_DPMS_LP1:
- rc = dsi_panel_set_lp1(display->panel);
- break;
- case DPU_MODE_DPMS_LP2:
- rc = dsi_panel_set_lp2(display->panel);
- break;
- default:
- rc = dsi_panel_set_nolp(display->panel);
- break;
- }
- return rc;
-}
-
-static ssize_t debugfs_dump_info_read(struct file *file,
- char __user *user_buf,
- size_t user_len,
- loff_t *ppos)
-{
- struct dsi_display *display = file->private_data;
- char *buf;
- u32 len = 0;
- int i;
-
- if (!display)
- return -ENODEV;
-
- if (*ppos)
- return 0;
-
- buf = kzalloc(SZ_4K, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- len += snprintf(buf + len, (SZ_4K - len), "name = %s\n", display->name);
- len += snprintf(buf + len, (SZ_4K - len),
- "\tResolution = %dx%d\n",
- display->config.video_timing.h_active,
- display->config.video_timing.v_active);
-
- for (i = 0; i < display->ctrl_count; i++) {
- len += snprintf(buf + len, (SZ_4K - len),
- "\tCTRL_%d:\n\t\tctrl = %s\n\t\tphy = %s\n",
- i, display->ctrl[i].ctrl->name,
- display->ctrl[i].phy->name);
- }
-
- len += snprintf(buf + len, (SZ_4K - len),
- "\tPanel = %s\n", display->panel->name);
-
- len += snprintf(buf + len, (SZ_4K - len),
- "\tClock master = %s\n",
- display->ctrl[display->clk_master_idx].ctrl->name);
-
- if (copy_to_user(user_buf, buf, len)) {
- kfree(buf);
- return -EFAULT;
- }
-
- *ppos += len;
-
- kfree(buf);
- return len;
-}
-
-static ssize_t debugfs_misr_setup(struct file *file,
- const char __user *user_buf,
- size_t user_len,
- loff_t *ppos)
-{
- struct dsi_display *display = file->private_data;
- char *buf;
- int rc = 0;
- size_t len;
- u32 enable, frame_count;
-
- if (!display)
- return -ENODEV;
-
- if (*ppos)
- return 0;
-
- buf = kzalloc(MISR_BUFF_SIZE, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- /* leave room for termination char */
- len = min_t(size_t, user_len, MISR_BUFF_SIZE - 1);
- if (copy_from_user(buf, user_buf, len)) {
- rc = -EINVAL;
- goto error;
- }
-
- buf[len] = '\0'; /* terminate the string */
-
- if (sscanf(buf, "%u %u", &enable, &frame_count) != 2) {
- rc = -EINVAL;
- goto error;
- }
-
- display->misr_enable = enable;
- display->misr_frame_count = frame_count;
-
- mutex_lock(&display->display_lock);
- rc = dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_CORE_CLK, DSI_CLK_ON);
- if (rc) {
- pr_err("[%s] failed to enable DSI core clocks, rc=%d\n",
- display->name, rc);
- goto unlock;
- }
-
- _dsi_display_setup_misr(display);
-
- rc = dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_CORE_CLK, DSI_CLK_OFF);
- if (rc) {
- pr_err("[%s] failed to disable DSI core clocks, rc=%d\n",
- display->name, rc);
- goto unlock;
- }
-
- rc = user_len;
-unlock:
- mutex_unlock(&display->display_lock);
-error:
- kfree(buf);
- return rc;
-}
-
-static ssize_t debugfs_misr_read(struct file *file,
- char __user *user_buf,
- size_t user_len,
- loff_t *ppos)
-{
- struct dsi_display *display = file->private_data;
- char *buf;
- u32 len = 0;
- int rc = 0;
- struct dsi_ctrl *dsi_ctrl;
- int i;
- u32 misr;
- size_t max_len = min_t(size_t, user_len, MISR_BUFF_SIZE);
-
- if (!display)
- return -ENODEV;
-
- if (*ppos)
- return 0;
-
- buf = kzalloc(max_len, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- mutex_lock(&display->display_lock);
- rc = dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_CORE_CLK, DSI_CLK_ON);
- if (rc) {
- pr_err("[%s] failed to enable DSI core clocks, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- dsi_ctrl = display->ctrl[i].ctrl;
- misr = dsi_ctrl_collect_misr(display->ctrl[i].ctrl);
-
- len += snprintf((buf + len), max_len - len,
- "DSI_%d MISR: 0x%x\n", dsi_ctrl->cell_index, misr);
-
- if (len >= max_len)
- break;
- }
-
- rc = dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_CORE_CLK, DSI_CLK_OFF);
- if (rc) {
- pr_err("[%s] failed to disable DSI core clocks, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- if (copy_to_user(user_buf, buf, len)) {
- rc = -EFAULT;
- goto error;
- }
-
- *ppos += len;
-
-error:
- mutex_unlock(&display->display_lock);
- kfree(buf);
- return len;
-}
-
-static const struct file_operations dump_info_fops = {
- .open = simple_open,
- .read = debugfs_dump_info_read,
-};
-
-static const struct file_operations misr_data_fops = {
- .open = simple_open,
- .read = debugfs_misr_read,
- .write = debugfs_misr_setup,
-};
-
-static int dsi_display_debugfs_init(struct dsi_display *display)
-{
- int rc = 0;
- struct dentry *dir, *dump_file, *misr_data;
-
- dir = debugfs_create_dir(display->name, NULL);
- if (IS_ERR_OR_NULL(dir)) {
- rc = PTR_ERR(dir);
- pr_err("[%s] debugfs create dir failed, rc = %d\n",
- display->name, rc);
- goto error;
- }
-
- dump_file = debugfs_create_file("dump_info",
- 0400,
- dir,
- display,
- &dump_info_fops);
- if (IS_ERR_OR_NULL(dump_file)) {
- rc = PTR_ERR(dump_file);
- pr_err("[%s] debugfs create dump info file failed, rc=%d\n",
- display->name, rc);
- goto error_remove_dir;
- }
-
- misr_data = debugfs_create_file("misr_data",
- 0600,
- dir,
- display,
- &misr_data_fops);
- if (IS_ERR_OR_NULL(misr_data)) {
- rc = PTR_ERR(misr_data);
- pr_err("[%s] debugfs create misr datafile failed, rc=%d\n",
- display->name, rc);
- goto error_remove_dir;
- }
-
- display->root = dir;
- return rc;
-error_remove_dir:
- debugfs_remove(dir);
-error:
- return rc;
-}
-
-static int dsi_display_debugfs_deinit(struct dsi_display *display)
-{
- debugfs_remove_recursive(display->root);
-
- return 0;
-}
-
-static void adjust_timing_by_ctrl_count(const struct dsi_display *display,
- struct dsi_display_mode *mode)
-{
- if (display->ctrl_count > 1) {
- mode->timing.h_active /= display->ctrl_count;
- mode->timing.h_front_porch /= display->ctrl_count;
- mode->timing.h_sync_width /= display->ctrl_count;
- mode->timing.h_back_porch /= display->ctrl_count;
- mode->timing.h_skew /= display->ctrl_count;
- mode->pixel_clk_khz /= display->ctrl_count;
- }
-}
-
-static int dsi_display_is_ulps_req_valid(struct dsi_display *display,
- bool enable)
-{
- /* TODO: make checks based on cont. splash */
- int splash_enabled = false;
-
- pr_debug("checking ulps req validity\n");
-
- if (!dsi_panel_ulps_feature_enabled(display->panel))
- return false;
-
- /* TODO: ULPS during suspend */
- if (!dsi_panel_initialized(display->panel))
- return false;
-
- if (enable && display->ulps_enabled) {
- pr_debug("ULPS already enabled\n");
- return false;
- } else if (!enable && !display->ulps_enabled) {
- pr_debug("ULPS already disabled\n");
- return false;
- }
-
- /*
- * No need to enter ULPS when transitioning from splash screen to
- * boot animation since it is expected that the clocks would be turned
- * right back on.
- */
- if (enable && splash_enabled)
- return false;
-
- return true;
-}
-
-
-/**
- * dsi_display_set_ulps() - set ULPS state for DSI lanes.
- * @dsi_display: DSI display handle.
- * @enable: enable/disable ULPS.
- *
- * ULPS can be enabled/disabled after DSI host engine is turned on.
- *
- * Return: error code.
- */
-static int dsi_display_set_ulps(struct dsi_display *display, bool enable)
-{
- int rc = 0;
- int i = 0;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
-
-
- if (!display) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- if (!dsi_display_is_ulps_req_valid(display, enable)) {
- pr_debug("%s: skipping ULPS config, enable=%d\n",
- __func__, enable);
- return 0;
- }
-
- m_ctrl = &display->ctrl[display->cmd_master_idx];
-
- rc = dsi_ctrl_set_ulps(m_ctrl->ctrl, enable);
- if (rc) {
- pr_err("Ulps controller state change(%d) failed\n", enable);
- return rc;
- }
-
- rc = dsi_phy_set_ulps(m_ctrl->phy, &display->config, enable,
- display->clamp_enabled);
- if (rc) {
- pr_err("Ulps PHY state change(%d) failed\n", enable);
- return rc;
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_ctrl_set_ulps(ctrl->ctrl, enable);
- if (rc) {
- pr_err("Ulps controller state change(%d) failed\n",
- enable);
- return rc;
- }
-
- rc = dsi_phy_set_ulps(ctrl->phy, &display->config, enable,
- display->clamp_enabled);
- if (rc) {
- pr_err("Ulps PHY state change(%d) failed\n", enable);
- return rc;
- }
-
- }
- display->ulps_enabled = enable;
- return 0;
-}
-
-/**
- * dsi_display_set_clamp() - set clamp state for DSI IO.
- * @dsi_display: DSI display handle.
- * @enable: enable/disable clamping.
- *
- * Return: error code.
- */
-static int dsi_display_set_clamp(struct dsi_display *display, bool enable)
-{
- int rc = 0;
- int i = 0;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
- bool ulps_enabled = false;
-
-
- if (!display) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- m_ctrl = &display->ctrl[display->cmd_master_idx];
- ulps_enabled = display->ulps_enabled;
-
- rc = dsi_ctrl_set_clamp_state(m_ctrl->ctrl, enable, ulps_enabled);
- if (rc) {
- pr_err("DSI Clamp state change(%d) failed\n", enable);
- return rc;
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_ctrl_set_clamp_state(ctrl->ctrl, enable, ulps_enabled);
- if (rc) {
- pr_err("DSI Clamp state change(%d) failed\n", enable);
- return rc;
- }
- }
- display->clamp_enabled = enable;
- return 0;
-}
-
-/**
- * dsi_display_setup_ctrl() - setup DSI controller.
- * @dsi_display: DSI display handle.
- *
- * Return: error code.
- */
-static int dsi_display_ctrl_setup(struct dsi_display *display)
-{
- int rc = 0;
- int i = 0;
- struct dsi_display_ctrl *ctrl, *m_ctrl;
-
-
- if (!display) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- m_ctrl = &display->ctrl[display->cmd_master_idx];
- rc = dsi_ctrl_setup(m_ctrl->ctrl);
- if (rc) {
- pr_err("DSI controller setup failed\n");
- return rc;
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_ctrl_setup(ctrl->ctrl);
- if (rc) {
- pr_err("DSI controller setup failed\n");
- return rc;
- }
- }
- return 0;
-}
-
-static int dsi_display_phy_enable(struct dsi_display *display);
-
-/**
- * dsi_display_phy_idle_on() - enable DSI PHY while coming out of idle screen.
- * @dsi_display: DSI display handle.
- * @enable: enable/disable DSI PHY.
- *
- * Return: error code.
- */
-static int dsi_display_phy_idle_on(struct dsi_display *display,
- bool mmss_clamp)
-{
- int rc = 0;
- int i = 0;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
-
-
- if (!display) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- if (mmss_clamp && !display->phy_idle_power_off) {
- dsi_display_phy_enable(display);
- return 0;
- }
-
- m_ctrl = &display->ctrl[display->cmd_master_idx];
- rc = dsi_phy_idle_ctrl(m_ctrl->phy, true);
- if (rc) {
- pr_err("DSI controller setup failed\n");
- return rc;
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_phy_idle_ctrl(ctrl->phy, true);
- if (rc) {
- pr_err("DSI controller setup failed\n");
- return rc;
- }
- }
- display->phy_idle_power_off = false;
- return 0;
-}
-
-/**
- * dsi_display_phy_idle_off() - disable DSI PHY while going to idle screen.
- * @dsi_display: DSI display handle.
- * @enable: enable/disable DSI PHY.
- *
- * Return: error code.
- */
-static int dsi_display_phy_idle_off(struct dsi_display *display)
-{
- int rc = 0;
- int i = 0;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
-
- if (!display) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- if (!display->panel->allow_phy_power_off) {
- pr_debug("panel doesn't support this feature\n");
- return 0;
- }
-
- m_ctrl = &display->ctrl[display->cmd_master_idx];
-
- rc = dsi_phy_idle_ctrl(m_ctrl->phy, false);
- if (rc) {
- pr_err("[%s] failed to enable cmd engine, rc=%d\n",
- display->name, rc);
- return rc;
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_phy_idle_ctrl(ctrl->phy, false);
- if (rc) {
- pr_err("DSI controller setup failed\n");
- return rc;
- }
- }
- display->phy_idle_power_off = true;
- return 0;
-}
-
-void dsi_display_enable_event(struct dsi_display *display,
- uint32_t event_idx, struct dsi_event_cb_info *event_info,
- bool enable)
-{
- uint32_t irq_status_idx = DSI_STATUS_INTERRUPT_COUNT;
- int i;
-
- if (!display) {
- pr_err("invalid display\n");
- return;
- }
-
- if (event_info)
- event_info->event_idx = event_idx;
-
- switch (event_idx) {
- case DPU_CONN_EVENT_VID_DONE:
- irq_status_idx = DSI_SINT_VIDEO_MODE_FRAME_DONE;
- break;
- case DPU_CONN_EVENT_CMD_DONE:
- irq_status_idx = DSI_SINT_CMD_FRAME_DONE;
- break;
- default:
- /* nothing to do */
- pr_debug("[%s] unhandled event %d\n", display->name, event_idx);
- return;
- }
-
- if (enable) {
- for (i = 0; i < display->ctrl_count; i++)
- dsi_ctrl_enable_status_interrupt(
- display->ctrl[i].ctrl, irq_status_idx,
- event_info);
- } else {
- for (i = 0; i < display->ctrl_count; i++)
- dsi_ctrl_disable_status_interrupt(
- display->ctrl[i].ctrl, irq_status_idx);
- }
-}
-
-static int dsi_display_ctrl_power_on(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *ctrl;
-
- /* Sequence does not matter for split dsi usecases */
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl)
- continue;
-
- rc = dsi_ctrl_set_power_state(ctrl->ctrl,
- DSI_CTRL_POWER_VREG_ON);
- if (rc) {
- pr_err("[%s] Failed to set power state, rc=%d\n",
- ctrl->ctrl->name, rc);
- goto error;
- }
- }
-
- return rc;
-error:
- for (i = i - 1; i >= 0; i--) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl)
- continue;
- (void)dsi_ctrl_set_power_state(ctrl->ctrl,
- DSI_CTRL_POWER_VREG_OFF);
- }
- return rc;
-}
-
-static int dsi_display_ctrl_power_off(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *ctrl;
-
- /* Sequence does not matter for split dsi usecases */
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl)
- continue;
-
- rc = dsi_ctrl_set_power_state(ctrl->ctrl,
- DSI_CTRL_POWER_VREG_OFF);
- if (rc) {
- pr_err("[%s] Failed to power off, rc=%d\n",
- ctrl->ctrl->name, rc);
- goto error;
- }
- }
-error:
- return rc;
-}
-
-static void dsi_display_parse_cmdline_topology(struct dsi_display *display,
- unsigned int display_type)
-{
- char *boot_str = NULL;
- char *str = NULL;
- unsigned long value;
-
- if (display_type >= MAX_DSI_ACTIVE_DISPLAY) {
- pr_err("display_type=%d not supported\n", display_type);
- return;
- }
-
- if (display_type == DSI_PRIMARY)
- boot_str = dsi_display_primary;
- else
- boot_str = dsi_display_secondary;
-
- str = strnstr(boot_str, ":config", strlen(boot_str));
- if (!str)
- return;
-
- if (kstrtol(str + strlen(":config"), INT_BASE_10,
- (unsigned long *)&value)) {
- pr_err("invalid config index override: %s\n", boot_str);
- return;
- }
- display->cmdline_topology = value;
-
- str = strnstr(boot_str, ":timing", strlen(boot_str));
- if (!str)
- return;
-
- if (kstrtol(str + strlen(":timing"), INT_BASE_10,
- (unsigned long *)&value)) {
- pr_err("invalid timing index override: %s. resetting both timing and config\n",
- boot_str);
- display->cmdline_topology = NO_OVERRIDE;
- return;
- }
- display->cmdline_timing = value;
-}
-
-/**
- * dsi_display_name_compare()- compare whether DSI display name matches.
- * @node: Pointer to device node structure
- * @display_name: Name of display to validate
- *
- * Return: returns a bool specifying whether given display is active
- */
-static bool dsi_display_name_compare(struct device_node *node,
- const char *display_name, int index)
-{
- if (index >= MAX_DSI_ACTIVE_DISPLAY) {
- pr_err("Invalid Index\n");
- return false;
- }
-
- if (boot_displays[index].boot_disp_en) {
- if (!(strcmp(&boot_displays[index].name[0], display_name))) {
- boot_displays[index].node = node;
- return true;
- }
- }
- return false;
-}
-
-/**
- * dsi_display_parse_boot_display_selection()- Parse DSI boot display name
- *
- * Return: returns error status
- */
-static int dsi_display_parse_boot_display_selection(void)
-{
- char *pos = NULL;
- char disp_buf[MAX_CMDLINE_PARAM_LEN] = {'\0'};
- int i, j, num_displays;
-
- if (strlen(dsi_display_primary) == 0)
- return -EINVAL;
-
- if ((strlen(dsi_display_secondary) > 0))
- num_displays = MAX_DSI_ACTIVE_DISPLAY;
- else {
- /*
- * Initialize secondary dsi variables
- * for the senario where dsi_display1
- * is null but dsi_display0 is valid
- */
-
- /* Max number of displays will be one->only Primary */
- num_displays = 1;
- boot_displays[DSI_SECONDARY].is_primary = false;
- boot_displays[DSI_SECONDARY].name[0] = '\0';
- }
-
- for (i = 0; i < num_displays; i++) {
- boot_displays[i].is_primary = false;
- if (i == DSI_PRIMARY) {
- strlcpy(disp_buf, &dsi_display_primary[0],
- sizeof(dsi_display_primary));
- pos = strnstr(disp_buf, ":",
- sizeof(dsi_display_primary));
- } else {
- strlcpy(disp_buf, &dsi_display_secondary[0],
- sizeof(dsi_display_secondary));
- pos = strnstr(disp_buf, ":",
- sizeof(dsi_display_secondary));
- }
- /* Use ':' as a delimiter to retrieve the display name */
- if (!pos) {
- pr_debug("display name[%s]is not valid\n", disp_buf);
- continue;
- }
-
- for (j = 0; (disp_buf + j) < pos; j++)
- boot_displays[i].name[j] = *(disp_buf + j);
- boot_displays[i].name[j] = '\0';
-
- if (i == DSI_PRIMARY) {
- boot_displays[i].is_primary = true;
- /* Currently, secondary DSI display is not supported */
- boot_displays[i].boot_disp_en = true;
- }
- }
- return 0;
-}
-
-/**
- * validate_dsi_display_selection()- validate boot DSI display selection
- *
- * Return: returns true when both displays have unique configurations
- */
-static bool validate_dsi_display_selection(void)
-{
- int i, j;
- int rc = 0;
- int phy_count = 0;
- int ctrl_count = 0;
- int index = 0;
- bool ctrl_flags[MAX_DSI_ACTIVE_DISPLAY] = {false, false};
- bool phy_flags[MAX_DSI_ACTIVE_DISPLAY] = {false, false};
- struct device_node *node, *ctrl_node, *phy_node;
-
- for (i = 0; i < MAX_DSI_ACTIVE_DISPLAY; i++) {
- node = boot_displays[i].node;
- ctrl_count = of_count_phandle_with_args(node, "qcom,dsi-ctrl",
- NULL);
-
- for (j = 0; j < ctrl_count; j++) {
- ctrl_node = of_parse_phandle(node, "qcom,dsi-ctrl", j);
- rc = of_property_read_u32(ctrl_node, "cell-index",
- &index);
- of_node_put(ctrl_node);
- if (rc) {
- pr_err("cell index not set for ctrl_nodes\n");
- return false;
- }
- if (ctrl_flags[index])
- return false;
- ctrl_flags[index] = true;
- }
-
- phy_count = of_count_phandle_with_args(node, "qcom,dsi-phy",
- NULL);
- for (j = 0; j < phy_count; j++) {
- phy_node = of_parse_phandle(node, "qcom,dsi-phy", j);
- rc = of_property_read_u32(phy_node, "cell-index",
- &index);
- of_node_put(phy_node);
- if (rc) {
- pr_err("cell index not set phy_nodes\n");
- return false;
- }
- if (phy_flags[index])
- return false;
- phy_flags[index] = true;
- }
- }
- return true;
-}
-
-struct device_node *dsi_display_get_boot_display(int index)
-{
-
- pr_err("index = %d\n", index);
-
- if (boot_displays[index].node)
- return boot_displays[index].node;
- else if ((index == (MAX_DSI_ACTIVE_DISPLAY - 1))
- && (default_active_node))
- return default_active_node;
- else
- return NULL;
-}
-
-static int dsi_display_phy_power_on(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *ctrl;
-
- /* Sequence does not matter for split dsi usecases */
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl)
- continue;
-
- rc = dsi_phy_set_power_state(ctrl->phy, true);
- if (rc) {
- pr_err("[%s] Failed to set power state, rc=%d\n",
- ctrl->phy->name, rc);
- goto error;
- }
- }
-
- return rc;
-error:
- for (i = i - 1; i >= 0; i--) {
- ctrl = &display->ctrl[i];
- if (!ctrl->phy)
- continue;
- (void)dsi_phy_set_power_state(ctrl->phy, false);
- }
- return rc;
-}
-
-static int dsi_display_phy_power_off(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *ctrl;
-
- /* Sequence does not matter for split dsi usecases */
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->phy)
- continue;
-
- rc = dsi_phy_set_power_state(ctrl->phy, false);
- if (rc) {
- pr_err("[%s] Failed to power off, rc=%d\n",
- ctrl->ctrl->name, rc);
- goto error;
- }
- }
-error:
- return rc;
-}
-
-static int dsi_display_set_clk_src(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
-
- /*
- * In case of split DSI usecases, the clock for master controller should
- * be enabled before the other controller. Master controller in the
- * clock context refers to the controller that sources the clock.
- */
- m_ctrl = &display->ctrl[display->clk_master_idx];
-
- rc = dsi_ctrl_set_clock_source(m_ctrl->ctrl,
- &display->clock_info.src_clks);
- if (rc) {
- pr_err("[%s] failed to set source clocks for master, rc=%d\n",
- display->name, rc);
- return rc;
- }
-
- /* Turn on rest of the controllers */
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_ctrl_set_clock_source(ctrl->ctrl,
- &display->clock_info.src_clks);
- if (rc) {
- pr_err("[%s] failed to set source clocks, rc=%d\n",
- display->name, rc);
- return rc;
- }
- }
- return 0;
-}
-
-static int dsi_display_phy_reset_config(struct dsi_display *display,
- bool enable)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *ctrl;
-
- for (i = 0 ; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- rc = dsi_ctrl_phy_reset_config(ctrl->ctrl, enable);
- if (rc) {
- pr_err("[%s] failed to %s phy reset, rc=%d\n",
- display->name, enable ? "mask" : "unmask", rc);
- return rc;
- }
- }
- return 0;
-}
-
-static int dsi_display_ctrl_update(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *ctrl;
-
- for (i = 0 ; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- rc = dsi_ctrl_host_timing_update(ctrl->ctrl);
- if (rc) {
- pr_err("[%s] failed to update host_%d, rc=%d\n",
- display->name, i, rc);
- goto error_host_deinit;
- }
- }
-
- return 0;
-error_host_deinit:
- for (i = i - 1; i >= 0; i--) {
- ctrl = &display->ctrl[i];
- (void)dsi_ctrl_host_deinit(ctrl->ctrl);
- }
-
- return rc;
-}
-
-static int dsi_display_ctrl_init(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *ctrl;
-
- for (i = 0 ; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- rc = dsi_ctrl_host_init(ctrl->ctrl);
- if (rc) {
- pr_err("[%s] failed to init host_%d, rc=%d\n",
- display->name, i, rc);
- goto error_host_deinit;
- }
- }
-
- return 0;
-error_host_deinit:
- for (i = i - 1; i >= 0; i--) {
- ctrl = &display->ctrl[i];
- (void)dsi_ctrl_host_deinit(ctrl->ctrl);
- }
- return rc;
-}
-
-static int dsi_display_ctrl_deinit(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *ctrl;
-
- for (i = 0 ; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- rc = dsi_ctrl_host_deinit(ctrl->ctrl);
- if (rc) {
- pr_err("[%s] failed to deinit host_%d, rc=%d\n",
- display->name, i, rc);
- }
- }
-
- return rc;
-}
-
-static int dsi_display_cmd_engine_enable(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
-
- if (display->cmd_engine_refcount > 0) {
- display->cmd_engine_refcount++;
- return 0;
- }
-
- m_ctrl = &display->ctrl[display->cmd_master_idx];
-
- rc = dsi_ctrl_set_cmd_engine_state(m_ctrl->ctrl, DSI_CTRL_ENGINE_ON);
- if (rc) {
- pr_err("[%s] failed to enable cmd engine, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_ctrl_set_cmd_engine_state(ctrl->ctrl,
- DSI_CTRL_ENGINE_ON);
- if (rc) {
- pr_err("[%s] failed to enable cmd engine, rc=%d\n",
- display->name, rc);
- goto error_disable_master;
- }
- }
-
- display->cmd_engine_refcount++;
- return rc;
-error_disable_master:
- (void)dsi_ctrl_set_cmd_engine_state(m_ctrl->ctrl, DSI_CTRL_ENGINE_OFF);
-error:
- return rc;
-}
-
-static int dsi_display_cmd_engine_disable(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
-
- if (display->cmd_engine_refcount == 0) {
- pr_err("[%s] Invalid refcount\n", display->name);
- return 0;
- } else if (display->cmd_engine_refcount > 1) {
- display->cmd_engine_refcount--;
- return 0;
- }
-
- m_ctrl = &display->ctrl[display->cmd_master_idx];
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_ctrl_set_cmd_engine_state(ctrl->ctrl,
- DSI_CTRL_ENGINE_OFF);
- if (rc)
- pr_err("[%s] failed to enable cmd engine, rc=%d\n",
- display->name, rc);
- }
-
- rc = dsi_ctrl_set_cmd_engine_state(m_ctrl->ctrl, DSI_CTRL_ENGINE_OFF);
- if (rc) {
- pr_err("[%s] failed to enable cmd engine, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
-error:
- display->cmd_engine_refcount = 0;
- return rc;
-}
-
-static int dsi_display_ctrl_host_enable(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
-
- m_ctrl = &display->ctrl[display->cmd_master_idx];
-
- rc = dsi_ctrl_set_host_engine_state(m_ctrl->ctrl, DSI_CTRL_ENGINE_ON);
- if (rc) {
- pr_err("[%s] failed to enable host engine, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_ctrl_set_host_engine_state(ctrl->ctrl,
- DSI_CTRL_ENGINE_ON);
- if (rc) {
- pr_err("[%s] failed to enable sl host engine, rc=%d\n",
- display->name, rc);
- goto error_disable_master;
- }
- }
-
- return rc;
-error_disable_master:
- (void)dsi_ctrl_set_host_engine_state(m_ctrl->ctrl, DSI_CTRL_ENGINE_OFF);
-error:
- return rc;
-}
-
-static int dsi_display_ctrl_host_disable(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
-
- m_ctrl = &display->ctrl[display->cmd_master_idx];
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_ctrl_set_host_engine_state(ctrl->ctrl,
- DSI_CTRL_ENGINE_OFF);
- if (rc)
- pr_err("[%s] failed to disable host engine, rc=%d\n",
- display->name, rc);
- }
-
- rc = dsi_ctrl_set_host_engine_state(m_ctrl->ctrl, DSI_CTRL_ENGINE_OFF);
- if (rc) {
- pr_err("[%s] failed to disable host engine, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
-error:
- return rc;
-}
-
-static int dsi_display_vid_engine_enable(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
-
- m_ctrl = &display->ctrl[display->video_master_idx];
-
- rc = dsi_ctrl_set_vid_engine_state(m_ctrl->ctrl, DSI_CTRL_ENGINE_ON);
- if (rc) {
- pr_err("[%s] failed to enable vid engine, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_ctrl_set_vid_engine_state(ctrl->ctrl,
- DSI_CTRL_ENGINE_ON);
- if (rc) {
- pr_err("[%s] failed to enable vid engine, rc=%d\n",
- display->name, rc);
- goto error_disable_master;
- }
- }
-
- return rc;
-error_disable_master:
- (void)dsi_ctrl_set_vid_engine_state(m_ctrl->ctrl, DSI_CTRL_ENGINE_OFF);
-error:
- return rc;
-}
-
-static int dsi_display_vid_engine_disable(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
-
- m_ctrl = &display->ctrl[display->video_master_idx];
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_ctrl_set_vid_engine_state(ctrl->ctrl,
- DSI_CTRL_ENGINE_OFF);
- if (rc)
- pr_err("[%s] failed to disable vid engine, rc=%d\n",
- display->name, rc);
- }
-
- rc = dsi_ctrl_set_vid_engine_state(m_ctrl->ctrl, DSI_CTRL_ENGINE_OFF);
- if (rc)
- pr_err("[%s] failed to disable mvid engine, rc=%d\n",
- display->name, rc);
-
- return rc;
-}
-
-static int dsi_display_phy_enable(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
- enum dsi_phy_pll_source m_src = DSI_PLL_SOURCE_STANDALONE;
-
- m_ctrl = &display->ctrl[display->clk_master_idx];
- if (display->ctrl_count > 1)
- m_src = DSI_PLL_SOURCE_NATIVE;
-
- rc = dsi_phy_enable(m_ctrl->phy,
- &display->config,
- m_src,
- true);
- if (rc) {
- pr_err("[%s] failed to enable DSI PHY, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_phy_enable(ctrl->phy,
- &display->config,
- DSI_PLL_SOURCE_NON_NATIVE,
- true);
- if (rc) {
- pr_err("[%s] failed to enable DSI PHY, rc=%d\n",
- display->name, rc);
- goto error_disable_master;
- }
- }
-
- return rc;
-
-error_disable_master:
- (void)dsi_phy_disable(m_ctrl->phy);
-error:
- return rc;
-}
-
-static int dsi_display_phy_disable(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
-
- m_ctrl = &display->ctrl[display->clk_master_idx];
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_phy_disable(ctrl->phy);
- if (rc)
- pr_err("[%s] failed to disable DSI PHY, rc=%d\n",
- display->name, rc);
- }
-
- rc = dsi_phy_disable(m_ctrl->phy);
- if (rc)
- pr_err("[%s] failed to disable DSI PHY, rc=%d\n",
- display->name, rc);
-
- return rc;
-}
-
-static int dsi_display_wake_up(struct dsi_display *display)
-{
- return 0;
-}
-
-static int dsi_display_broadcast_cmd(struct dsi_display *display,
- const struct mipi_dsi_msg *msg)
-{
- int rc = 0;
- u32 flags, m_flags;
- struct dsi_display_ctrl *ctrl, *m_ctrl;
- int i;
-
- m_flags = (DSI_CTRL_CMD_BROADCAST | DSI_CTRL_CMD_BROADCAST_MASTER |
- DSI_CTRL_CMD_DEFER_TRIGGER | DSI_CTRL_CMD_FETCH_MEMORY);
- flags = (DSI_CTRL_CMD_BROADCAST | DSI_CTRL_CMD_DEFER_TRIGGER |
- DSI_CTRL_CMD_FETCH_MEMORY);
-
- /*
- * 1. Setup commands in FIFO
- * 2. Trigger commands
- */
- m_ctrl = &display->ctrl[display->cmd_master_idx];
- rc = dsi_ctrl_cmd_transfer(m_ctrl->ctrl, msg, m_flags);
- if (rc) {
- pr_err("[%s] cmd transfer failed on master,rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (ctrl == m_ctrl)
- continue;
-
- rc = dsi_ctrl_cmd_transfer(ctrl->ctrl, msg, flags);
- if (rc) {
- pr_err("[%s] cmd transfer failed, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- rc = dsi_ctrl_cmd_tx_trigger(ctrl->ctrl, flags);
- if (rc) {
- pr_err("[%s] cmd trigger failed, rc=%d\n",
- display->name, rc);
- goto error;
- }
- }
-
- rc = dsi_ctrl_cmd_tx_trigger(m_ctrl->ctrl, m_flags);
- if (rc) {
- pr_err("[%s] cmd trigger failed for master, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
-error:
- return rc;
-}
-
-static int dsi_display_phy_sw_reset(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
-
- m_ctrl = &display->ctrl[display->cmd_master_idx];
-
- rc = dsi_ctrl_phy_sw_reset(m_ctrl->ctrl);
- if (rc) {
- pr_err("[%s] failed to reset phy, rc=%d\n", display->name, rc);
- goto error;
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_ctrl_phy_sw_reset(ctrl->ctrl);
- if (rc) {
- pr_err("[%s] failed to reset phy, rc=%d\n",
- display->name, rc);
- goto error;
- }
- }
-
-error:
- return rc;
-}
-
-static int dsi_host_attach(struct mipi_dsi_host *host,
- struct mipi_dsi_device *dsi)
-{
- return 0;
-}
-
-static int dsi_host_detach(struct mipi_dsi_host *host,
- struct mipi_dsi_device *dsi)
-{
- return 0;
-}
-
-static ssize_t dsi_host_transfer(struct mipi_dsi_host *host,
- const struct mipi_dsi_msg *msg)
-{
- struct dsi_display *display = to_dsi_display(host);
- struct dsi_display_ctrl *display_ctrl;
- struct msm_gem_address_space *aspace = NULL;
- int rc = 0, cnt = 0;
-
- if (!host || !msg) {
- pr_err("Invalid params\n");
- return 0;
- }
-
- rc = dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_ALL_CLKS, DSI_CLK_ON);
- if (rc) {
- pr_err("[%s] failed to enable all DSI clocks, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- rc = dsi_display_wake_up(display);
- if (rc) {
- pr_err("[%s] failed to wake up display, rc=%d\n",
- display->name, rc);
- goto error_disable_clks;
- }
-
- rc = dsi_display_cmd_engine_enable(display);
- if (rc) {
- pr_err("[%s] failed to enable cmd engine, rc=%d\n",
- display->name, rc);
- goto error_disable_clks;
- }
-
- if (display->tx_cmd_buf == NULL) {
- display->tx_cmd_buf = msm_gem_new(display->drm_dev,
- SZ_4K,
- MSM_BO_UNCACHED);
-
- display->cmd_buffer_size = SZ_4K;
-
- if ((display->tx_cmd_buf) == NULL) {
- pr_err("value of display->tx_cmd_buf is NULL");
- goto error_disable_cmd_engine;
- }
-
- aspace = msm_gem_smmu_address_space_get(display->drm_dev,
- MSM_SMMU_DOMAIN_UNSECURE);
- if (!aspace) {
- pr_err("failed to get aspace\n");
- rc = -EINVAL;
- goto free_gem;
- }
-
- rc = msm_gem_get_iova(display->tx_cmd_buf, aspace,
- &(display->cmd_buffer_iova));
- if (rc) {
- pr_err("failed to get the iova rc %d\n", rc);
- goto free_gem;
- }
-
- display->vaddr =
- (void *) msm_gem_get_vaddr(display->tx_cmd_buf);
-
- if (IS_ERR_OR_NULL(display->vaddr)) {
- pr_err("failed to get va rc %d\n", rc);
- rc = -EINVAL;
- goto put_iova;
- }
-
- for (cnt = 0; cnt < display->ctrl_count; cnt++) {
- display_ctrl = &display->ctrl[cnt];
- display_ctrl->ctrl->cmd_buffer_size = SZ_4K;
- display_ctrl->ctrl->cmd_buffer_iova =
- display->cmd_buffer_iova;
- display_ctrl->ctrl->vaddr = display->vaddr;
- }
- }
-
- if (display->ctrl_count > 1 && !(msg->flags & MIPI_DSI_MSG_UNICAST)) {
- rc = dsi_display_broadcast_cmd(display, msg);
- if (rc) {
- pr_err("[%s] cmd broadcast failed, rc=%d\n",
- display->name, rc);
- goto error_disable_cmd_engine;
- }
- } else {
- int ctrl_idx = (msg->flags & MIPI_DSI_MSG_UNICAST) ?
- msg->ctrl : 0;
-
- rc = dsi_ctrl_cmd_transfer(display->ctrl[ctrl_idx].ctrl, msg,
- DSI_CTRL_CMD_FETCH_MEMORY);
- if (rc) {
- pr_err("[%s] cmd transfer failed, rc=%d\n",
- display->name, rc);
- goto error_disable_cmd_engine;
- }
- }
-
-error_disable_cmd_engine:
- (void)dsi_display_cmd_engine_disable(display);
-error_disable_clks:
- rc = dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_ALL_CLKS, DSI_CLK_OFF);
- if (rc) {
- pr_err("[%s] failed to disable all DSI clocks, rc=%d\n",
- display->name, rc);
- }
- return rc;
-put_iova:
- msm_gem_put_iova(display->tx_cmd_buf, aspace);
-free_gem:
- mutex_lock(&display->drm_dev->struct_mutex);
- msm_gem_free_object(display->tx_cmd_buf);
- mutex_unlock(&display->drm_dev->struct_mutex);
-error:
- return rc;
-}
-
-
-static struct mipi_dsi_host_ops dsi_host_ops = {
- .attach = dsi_host_attach,
- .detach = dsi_host_detach,
- .transfer = dsi_host_transfer,
-};
-
-static int dsi_display_mipi_host_init(struct dsi_display *display)
-{
- int rc = 0;
- struct mipi_dsi_host *host = &display->host;
-
- host->dev = &display->pdev->dev;
- host->ops = &dsi_host_ops;
-
- rc = mipi_dsi_host_register(host);
- if (rc) {
- pr_err("[%s] failed to register mipi dsi host, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
-error:
- return rc;
-}
-static int dsi_display_mipi_host_deinit(struct dsi_display *display)
-{
- int rc = 0;
- struct mipi_dsi_host *host = &display->host;
-
- mipi_dsi_host_unregister(host);
-
- host->dev = NULL;
- host->ops = NULL;
-
- return rc;
-}
-
-static int dsi_display_clocks_deinit(struct dsi_display *display)
-{
- int rc = 0;
- struct dsi_clk_link_set *src = &display->clock_info.src_clks;
- struct dsi_clk_link_set *mux = &display->clock_info.mux_clks;
- struct dsi_clk_link_set *shadow = &display->clock_info.shadow_clks;
-
- if (src->byte_clk) {
- devm_clk_put(&display->pdev->dev, src->byte_clk);
- src->byte_clk = NULL;
- }
-
- if (src->pixel_clk) {
- devm_clk_put(&display->pdev->dev, src->pixel_clk);
- src->pixel_clk = NULL;
- }
-
- if (mux->byte_clk) {
- devm_clk_put(&display->pdev->dev, mux->byte_clk);
- mux->byte_clk = NULL;
- }
-
- if (mux->pixel_clk) {
- devm_clk_put(&display->pdev->dev, mux->pixel_clk);
- mux->pixel_clk = NULL;
- }
-
- if (shadow->byte_clk) {
- devm_clk_put(&display->pdev->dev, shadow->byte_clk);
- shadow->byte_clk = NULL;
- }
-
- if (shadow->pixel_clk) {
- devm_clk_put(&display->pdev->dev, shadow->pixel_clk);
- shadow->pixel_clk = NULL;
- }
-
- return rc;
-}
-
-static int dsi_display_clocks_init(struct dsi_display *display)
-{
- int rc = 0;
- struct dsi_clk_link_set *src = &display->clock_info.src_clks;
- struct dsi_clk_link_set *mux = &display->clock_info.mux_clks;
- struct dsi_clk_link_set *shadow = &display->clock_info.shadow_clks;
-
- src->byte_clk = devm_clk_get(&display->pdev->dev, "src_byte_clk");
- if (IS_ERR_OR_NULL(src->byte_clk)) {
- rc = PTR_ERR(src->byte_clk);
- src->byte_clk = NULL;
- pr_err("failed to get src_byte_clk, rc=%d\n", rc);
- goto error;
- }
-
- src->pixel_clk = devm_clk_get(&display->pdev->dev, "src_pixel_clk");
- if (IS_ERR_OR_NULL(src->pixel_clk)) {
- rc = PTR_ERR(src->pixel_clk);
- src->pixel_clk = NULL;
- pr_err("failed to get src_pixel_clk, rc=%d\n", rc);
- goto error;
- }
-
- mux->byte_clk = devm_clk_get(&display->pdev->dev, "mux_byte_clk");
- if (IS_ERR_OR_NULL(mux->byte_clk)) {
- rc = PTR_ERR(mux->byte_clk);
- pr_debug("failed to get mux_byte_clk, rc=%d\n", rc);
- mux->byte_clk = NULL;
- /*
- * Skip getting rest of clocks since one failed. This is a
- * non-critical failure since these clocks are requied only for
- * dynamic refresh use cases.
- */
- rc = 0;
- goto done;
- };
-
- mux->pixel_clk = devm_clk_get(&display->pdev->dev, "mux_pixel_clk");
- if (IS_ERR_OR_NULL(mux->pixel_clk)) {
- rc = PTR_ERR(mux->pixel_clk);
- mux->pixel_clk = NULL;
- pr_debug("failed to get mux_pixel_clk, rc=%d\n", rc);
- /*
- * Skip getting rest of clocks since one failed. This is a
- * non-critical failure since these clocks are requied only for
- * dynamic refresh use cases.
- */
- rc = 0;
- goto done;
- };
-
- shadow->byte_clk = devm_clk_get(&display->pdev->dev, "shadow_byte_clk");
- if (IS_ERR_OR_NULL(shadow->byte_clk)) {
- rc = PTR_ERR(shadow->byte_clk);
- shadow->byte_clk = NULL;
- pr_err("failed to get shadow_byte_clk, rc=%d\n", rc);
- /*
- * Skip getting rest of clocks since one failed. This is a
- * non-critical failure since these clocks are requied only for
- * dynamic refresh use cases.
- */
- rc = 0;
- goto done;
- };
-
- shadow->pixel_clk = devm_clk_get(&display->pdev->dev,
- "shadow_pixel_clk");
- if (IS_ERR_OR_NULL(shadow->pixel_clk)) {
- rc = PTR_ERR(shadow->pixel_clk);
- shadow->pixel_clk = NULL;
- pr_err("failed to get shadow_pixel_clk, rc=%d\n", rc);
- /*
- * Skip getting rest of clocks since one failed. This is a
- * non-critical failure since these clocks are requied only for
- * dynamic refresh use cases.
- */
- rc = 0;
- goto done;
- };
-
-done:
- return 0;
-error:
- (void)dsi_display_clocks_deinit(display);
- return rc;
-}
-
-static int dsi_display_clk_ctrl_cb(void *priv,
- struct dsi_clk_ctrl_info clk_state_info)
-{
- int rc = 0;
- struct dsi_display *display = NULL;
- void *clk_handle = NULL;
-
- if (!priv) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- display = priv;
-
- if (clk_state_info.client == DSI_CLK_REQ_MDP_CLIENT) {
- clk_handle = display->mdp_clk_handle;
- } else if (clk_state_info.client == DSI_CLK_REQ_DSI_CLIENT) {
- clk_handle = display->dsi_clk_handle;
- } else {
- pr_err("invalid clk handle, return error\n");
- return -EINVAL;
- }
-
- /*
- * TODO: Wait for CMD_MDP_DONE interrupt if MDP client tries
- * to turn off DSI clocks.
- */
- rc = dsi_display_clk_ctrl(clk_handle,
- clk_state_info.clk_type, clk_state_info.clk_state);
- if (rc) {
- pr_err("[%s] failed to %d DSI %d clocks, rc=%d\n",
- display->name, clk_state_info.clk_state,
- clk_state_info.clk_type, rc);
- return rc;
- }
- return 0;
-}
-
-int dsi_pre_clkoff_cb(void *priv,
- enum dsi_clk_type clk,
- enum dsi_clk_state new_state)
-{
- int rc = 0;
- struct dsi_display *display = priv;
-
- if ((clk & DSI_LINK_CLK) && (new_state == DSI_CLK_OFF)) {
- /*
- * If ULPS feature is enabled, enter ULPS first.
- */
- if (dsi_panel_initialized(display->panel) &&
- dsi_panel_ulps_feature_enabled(display->panel)) {
- rc = dsi_display_set_ulps(display, true);
- if (rc) {
- pr_err("%s: failed enable ulps, rc = %d\n",
- __func__, rc);
- }
- }
- }
-
- if ((clk & DSI_CORE_CLK) && (new_state == DSI_CLK_OFF)) {
- /*
- * Enable DSI clamps only if entering idle power collapse.
- */
- if (dsi_panel_initialized(display->panel)) {
- dsi_display_phy_idle_off(display);
- rc = dsi_display_set_clamp(display, true);
- if (rc)
- pr_err("%s: Failed to enable dsi clamps. rc=%d\n",
- __func__, rc);
-
- rc = dsi_display_phy_reset_config(display, false);
- if (rc)
- pr_err("%s: Failed to reset phy, rc=%d\n",
- __func__, rc);
- } else {
- /* Make sure that controller is not in ULPS state when
- * the DSI link is not active.
- */
- rc = dsi_display_set_ulps(display, false);
- if (rc)
- pr_err("%s: failed to disable ulps. rc=%d\n",
- __func__, rc);
- }
- }
-
- return rc;
-}
-
-int dsi_post_clkon_cb(void *priv,
- enum dsi_clk_type clk,
- enum dsi_clk_state curr_state)
-{
- int rc = 0;
- struct dsi_display *display = priv;
- bool mmss_clamp = false;
-
- if (clk & DSI_CORE_CLK) {
- mmss_clamp = display->clamp_enabled;
- /*
- * controller setup is needed if coming out of idle
- * power collapse with clamps enabled.
- */
- if (mmss_clamp)
- dsi_display_ctrl_setup(display);
-
- if (display->ulps_enabled && mmss_clamp) {
- /*
- * ULPS Entry Request. This is needed if the lanes were
- * in ULPS prior to power collapse, since after
- * power collapse and reset, the DSI controller resets
- * back to idle state and not ULPS. This ulps entry
- * request will transition the state of the DSI
- * controller to ULPS which will match the state of the
- * DSI phy. This needs to be done prior to disabling
- * the DSI clamps.
- *
- * Also, reset the ulps flag so that ulps_config
- * function would reconfigure the controller state to
- * ULPS.
- */
- display->ulps_enabled = false;
- rc = dsi_display_set_ulps(display, true);
- if (rc) {
- pr_err("%s: Failed to enter ULPS. rc=%d\n",
- __func__, rc);
- goto error;
- }
- }
-
- rc = dsi_display_phy_reset_config(display, true);
- if (rc) {
- pr_err("%s: Failed to reset phy, rc=%d\n",
- __func__, rc);
- goto error;
- }
-
- rc = dsi_display_set_clamp(display, false);
- if (rc) {
- pr_err("%s: Failed to disable dsi clamps. rc=%d\n",
- __func__, rc);
- goto error;
- }
-
- /*
- * Phy setup is needed if coming out of idle
- * power collapse with clamps enabled.
- */
- if (display->phy_idle_power_off || mmss_clamp)
- dsi_display_phy_idle_on(display, mmss_clamp);
- }
- if (clk & DSI_LINK_CLK) {
- if (display->ulps_enabled) {
- rc = dsi_display_set_ulps(display, false);
- if (rc) {
- pr_err("%s: failed to disable ulps, rc= %d\n",
- __func__, rc);
- goto error;
- }
- }
- }
-error:
- return rc;
-}
-
-int dsi_post_clkoff_cb(void *priv,
- enum dsi_clk_type clk_type,
- enum dsi_clk_state curr_state)
-{
- int rc = 0;
- struct dsi_display *display = priv;
-
- if (!display) {
- pr_err("%s: Invalid arg\n", __func__);
- return -EINVAL;
- }
-
- if ((clk_type & DSI_CORE_CLK) &&
- (curr_state == DSI_CLK_OFF)) {
-
- rc = dsi_display_phy_power_off(display);
- if (rc)
- pr_err("[%s] failed to power off PHY, rc=%d\n",
- display->name, rc);
-
- rc = dsi_display_ctrl_power_off(display);
- if (rc)
- pr_err("[%s] failed to power DSI vregs, rc=%d\n",
- display->name, rc);
- }
- return rc;
-}
-
-int dsi_pre_clkon_cb(void *priv,
- enum dsi_clk_type clk_type,
- enum dsi_clk_state new_state)
-{
- int rc = 0;
- struct dsi_display *display = priv;
-
- if (!display) {
- pr_err("%s: invalid input\n", __func__);
- return -EINVAL;
- }
-
- if ((clk_type & DSI_CORE_CLK) && (new_state == DSI_CLK_ON)) {
- /*
- * Enable DSI core power
- * 1.> PANEL_PM are controlled as part of
- * panel_power_ctrl. Needed not be handled here.
- * 2.> CORE_PM are controlled by dsi clk manager.
- * 3.> CTRL_PM need to be enabled/disabled
- * only during unblank/blank. Their state should
- * not be changed during static screen.
- */
-
- rc = dsi_display_ctrl_power_on(display);
- if (rc) {
- pr_err("[%s] failed to power on dsi controllers, rc=%d\n",
- display->name, rc);
- return rc;
- }
-
- rc = dsi_display_phy_power_on(display);
- if (rc) {
- pr_err("[%s] failed to power on dsi phy, rc = %d\n",
- display->name, rc);
- return rc;
- }
-
- pr_debug("%s: Enable DSI core power\n", __func__);
- }
-
- return rc;
-}
-
-static void __set_lane_map_v2(u8 *lane_map_v2,
- enum dsi_phy_data_lanes lane0,
- enum dsi_phy_data_lanes lane1,
- enum dsi_phy_data_lanes lane2,
- enum dsi_phy_data_lanes lane3)
-{
- lane_map_v2[DSI_LOGICAL_LANE_0] = lane0;
- lane_map_v2[DSI_LOGICAL_LANE_1] = lane1;
- lane_map_v2[DSI_LOGICAL_LANE_2] = lane2;
- lane_map_v2[DSI_LOGICAL_LANE_3] = lane3;
-}
-
-static int dsi_display_parse_lane_map(struct dsi_display *display)
-{
- int rc = 0, i = 0;
- const char *data;
- u8 temp[DSI_LANE_MAX - 1];
-
- if (!display) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- /* lane-map-v2 supersedes lane-map-v1 setting */
- rc = of_property_read_u8_array(display->pdev->dev.of_node,
- "qcom,lane-map-v2", temp, (DSI_LANE_MAX - 1));
- if (!rc) {
- for (i = DSI_LOGICAL_LANE_0; i < (DSI_LANE_MAX - 1); i++)
- display->lane_map.lane_map_v2[i] = BIT(temp[i]);
- return 0;
- } else if (rc != EINVAL) {
- pr_debug("Incorrect mapping, configure default\n");
- goto set_default;
- }
-
- /* lane-map older version, for DSI controller version < 2.0 */
- data = of_get_property(display->pdev->dev.of_node,
- "qcom,lane-map", NULL);
- if (!data)
- goto set_default;
-
- if (!strcmp(data, "lane_map_3012")) {
- display->lane_map.lane_map_v1 = DSI_LANE_MAP_3012;
- __set_lane_map_v2(display->lane_map.lane_map_v2,
- DSI_PHYSICAL_LANE_1,
- DSI_PHYSICAL_LANE_2,
- DSI_PHYSICAL_LANE_3,
- DSI_PHYSICAL_LANE_0);
- } else if (!strcmp(data, "lane_map_2301")) {
- display->lane_map.lane_map_v1 = DSI_LANE_MAP_2301;
- __set_lane_map_v2(display->lane_map.lane_map_v2,
- DSI_PHYSICAL_LANE_2,
- DSI_PHYSICAL_LANE_3,
- DSI_PHYSICAL_LANE_0,
- DSI_PHYSICAL_LANE_1);
- } else if (!strcmp(data, "lane_map_1230")) {
- display->lane_map.lane_map_v1 = DSI_LANE_MAP_1230;
- __set_lane_map_v2(display->lane_map.lane_map_v2,
- DSI_PHYSICAL_LANE_3,
- DSI_PHYSICAL_LANE_0,
- DSI_PHYSICAL_LANE_1,
- DSI_PHYSICAL_LANE_2);
- } else if (!strcmp(data, "lane_map_0321")) {
- display->lane_map.lane_map_v1 = DSI_LANE_MAP_0321;
- __set_lane_map_v2(display->lane_map.lane_map_v2,
- DSI_PHYSICAL_LANE_0,
- DSI_PHYSICAL_LANE_3,
- DSI_PHYSICAL_LANE_2,
- DSI_PHYSICAL_LANE_1);
- } else if (!strcmp(data, "lane_map_1032")) {
- display->lane_map.lane_map_v1 = DSI_LANE_MAP_1032;
- __set_lane_map_v2(display->lane_map.lane_map_v2,
- DSI_PHYSICAL_LANE_1,
- DSI_PHYSICAL_LANE_0,
- DSI_PHYSICAL_LANE_3,
- DSI_PHYSICAL_LANE_2);
- } else if (!strcmp(data, "lane_map_2103")) {
- display->lane_map.lane_map_v1 = DSI_LANE_MAP_2103;
- __set_lane_map_v2(display->lane_map.lane_map_v2,
- DSI_PHYSICAL_LANE_2,
- DSI_PHYSICAL_LANE_1,
- DSI_PHYSICAL_LANE_0,
- DSI_PHYSICAL_LANE_3);
- } else if (!strcmp(data, "lane_map_3210")) {
- display->lane_map.lane_map_v1 = DSI_LANE_MAP_3210;
- __set_lane_map_v2(display->lane_map.lane_map_v2,
- DSI_PHYSICAL_LANE_3,
- DSI_PHYSICAL_LANE_2,
- DSI_PHYSICAL_LANE_1,
- DSI_PHYSICAL_LANE_0);
- } else {
- pr_warn("%s: invalid lane map %s specified. defaulting to lane_map0123\n",
- __func__, data);
- goto set_default;
- }
- return 0;
-
-set_default:
- /* default lane mapping */
- __set_lane_map_v2(display->lane_map.lane_map_v2, DSI_PHYSICAL_LANE_0,
- DSI_PHYSICAL_LANE_1, DSI_PHYSICAL_LANE_2, DSI_PHYSICAL_LANE_3);
- display->lane_map.lane_map_v1 = DSI_LANE_MAP_0123;
- return 0;
-}
-
-static int dsi_display_parse_dt(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- u32 phy_count = 0;
- struct device_node *of_node;
-
- /* Parse controllers */
- for (i = 0; i < MAX_DSI_CTRLS_PER_DISPLAY; i++) {
- of_node = of_parse_phandle(display->pdev->dev.of_node,
- "qcom,dsi-ctrl", i);
- if (!of_node) {
- if (!i) {
- pr_err("No controllers present\n");
- return -ENODEV;
- }
- break;
- }
-
- display->ctrl[i].ctrl_of_node = of_node;
- display->ctrl_count++;
- }
-
- /* Parse Phys */
- for (i = 0; i < MAX_DSI_CTRLS_PER_DISPLAY; i++) {
- of_node = of_parse_phandle(display->pdev->dev.of_node,
- "qcom,dsi-phy", i);
- if (!of_node) {
- if (!i) {
- pr_err("No PHY devices present\n");
- rc = -ENODEV;
- goto error;
- }
- break;
- }
-
- display->ctrl[i].phy_of_node = of_node;
- phy_count++;
- }
-
- if (phy_count != display->ctrl_count) {
- pr_err("Number of controllers does not match PHYs\n");
- rc = -ENODEV;
- goto error;
- }
-
- of_node = of_parse_phandle(display->pdev->dev.of_node,
- "qcom,dsi-panel", 0);
- if (!of_node) {
- pr_err("No Panel device present\n");
- rc = -ENODEV;
- goto error;
- } else {
- display->panel_of = of_node;
- }
-
-error:
- return rc;
-}
-
-static int dsi_display_res_init(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *ctrl;
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- ctrl->ctrl = dsi_ctrl_get(ctrl->ctrl_of_node);
- if (IS_ERR_OR_NULL(ctrl->ctrl)) {
- rc = PTR_ERR(ctrl->ctrl);
- pr_err("failed to get dsi controller, rc=%d\n", rc);
- ctrl->ctrl = NULL;
- goto error_ctrl_put;
- }
-
- ctrl->phy = dsi_phy_get(ctrl->phy_of_node);
- if (IS_ERR_OR_NULL(ctrl->phy)) {
- rc = PTR_ERR(ctrl->phy);
- pr_err("failed to get phy controller, rc=%d\n", rc);
- dsi_ctrl_put(ctrl->ctrl);
- ctrl->phy = NULL;
- goto error_ctrl_put;
- }
- }
-
- display->panel = dsi_panel_get(&display->pdev->dev, display->panel_of,
- display->cmdline_topology);
- if (IS_ERR_OR_NULL(display->panel)) {
- rc = PTR_ERR(display->panel);
- pr_err("failed to get panel, rc=%d\n", rc);
- display->panel = NULL;
- goto error_ctrl_put;
- }
-
- rc = dsi_display_parse_lane_map(display);
- if (rc) {
- pr_err("Lane map not found, rc=%d\n", rc);
- goto error_ctrl_put;
- }
-
- rc = dsi_display_clocks_init(display);
- if (rc) {
- pr_err("Failed to parse clock data, rc=%d\n", rc);
- goto error_ctrl_put;
- }
-
- return 0;
-error_ctrl_put:
- for (i = i - 1; i >= 0; i--) {
- ctrl = &display->ctrl[i];
- dsi_ctrl_put(ctrl->ctrl);
- dsi_phy_put(ctrl->phy);
- }
- return rc;
-}
-
-static int dsi_display_res_deinit(struct dsi_display *display)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *ctrl;
-
- rc = dsi_display_clocks_deinit(display);
- if (rc)
- pr_err("clocks deinit failed, rc=%d\n", rc);
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- dsi_phy_put(ctrl->phy);
- dsi_ctrl_put(ctrl->ctrl);
- }
-
- if (display->panel)
- dsi_panel_put(display->panel);
-
- return rc;
-}
-
-static int dsi_display_validate_mode_set(struct dsi_display *display,
- struct dsi_display_mode *mode,
- u32 flags)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *ctrl;
-
- /*
- * To set a mode:
- * 1. Controllers should be turned off.
- * 2. Link clocks should be off.
- * 3. Phy should be disabled.
- */
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if ((ctrl->power_state > DSI_CTRL_POWER_VREG_ON) ||
- (ctrl->phy_enabled)) {
- rc = -EINVAL;
- goto error;
- }
- }
-
-error:
- return rc;
-}
-
-static bool dsi_display_is_seamless_dfps_possible(
- const struct dsi_display *display,
- const struct dsi_display_mode *tgt,
- const enum dsi_dfps_type dfps_type)
-{
- struct dsi_display_mode *cur;
-
- if (!display || !tgt || !display->panel) {
- pr_err("Invalid params\n");
- return false;
- }
-
- cur = display->panel->cur_mode;
-
- if (cur->timing.h_active != tgt->timing.h_active) {
- pr_debug("timing.h_active differs %d %d\n",
- cur->timing.h_active, tgt->timing.h_active);
- return false;
- }
-
- if (cur->timing.h_back_porch != tgt->timing.h_back_porch) {
- pr_debug("timing.h_back_porch differs %d %d\n",
- cur->timing.h_back_porch,
- tgt->timing.h_back_porch);
- return false;
- }
-
- if (cur->timing.h_sync_width != tgt->timing.h_sync_width) {
- pr_debug("timing.h_sync_width differs %d %d\n",
- cur->timing.h_sync_width,
- tgt->timing.h_sync_width);
- return false;
- }
-
- if (cur->timing.h_front_porch != tgt->timing.h_front_porch) {
- pr_debug("timing.h_front_porch differs %d %d\n",
- cur->timing.h_front_porch,
- tgt->timing.h_front_porch);
- if (dfps_type != DSI_DFPS_IMMEDIATE_HFP)
- return false;
- }
-
- if (cur->timing.h_skew != tgt->timing.h_skew) {
- pr_debug("timing.h_skew differs %d %d\n",
- cur->timing.h_skew,
- tgt->timing.h_skew);
- return false;
- }
-
- /* skip polarity comparison */
-
- if (cur->timing.v_active != tgt->timing.v_active) {
- pr_debug("timing.v_active differs %d %d\n",
- cur->timing.v_active,
- tgt->timing.v_active);
- return false;
- }
-
- if (cur->timing.v_back_porch != tgt->timing.v_back_porch) {
- pr_debug("timing.v_back_porch differs %d %d\n",
- cur->timing.v_back_porch,
- tgt->timing.v_back_porch);
- return false;
- }
-
- if (cur->timing.v_sync_width != tgt->timing.v_sync_width) {
- pr_debug("timing.v_sync_width differs %d %d\n",
- cur->timing.v_sync_width,
- tgt->timing.v_sync_width);
- return false;
- }
-
- if (cur->timing.v_front_porch != tgt->timing.v_front_porch) {
- pr_debug("timing.v_front_porch differs %d %d\n",
- cur->timing.v_front_porch,
- tgt->timing.v_front_porch);
- if (dfps_type != DSI_DFPS_IMMEDIATE_VFP)
- return false;
- }
-
- /* skip polarity comparison */
-
- if (cur->timing.refresh_rate == tgt->timing.refresh_rate)
- pr_debug("timing.refresh_rate identical %d %d\n",
- cur->timing.refresh_rate,
- tgt->timing.refresh_rate);
-
- if (cur->pixel_clk_khz != tgt->pixel_clk_khz)
- pr_debug("pixel_clk_khz differs %d %d\n",
- cur->pixel_clk_khz, tgt->pixel_clk_khz);
-
- if (cur->dsi_mode_flags != tgt->dsi_mode_flags)
- pr_debug("flags differs %d %d\n",
- cur->dsi_mode_flags, tgt->dsi_mode_flags);
-
- return true;
-}
-
-static int dsi_display_dfps_update(struct dsi_display *display,
- struct dsi_display_mode *dsi_mode)
-{
- struct dsi_mode_info *timing;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
- struct dsi_display_mode *panel_mode;
- struct dsi_dfps_capabilities dfps_caps;
- int rc = 0;
- int i = 0;
-
- if (!display || !dsi_mode || !display->panel) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
- timing = &dsi_mode->timing;
-
- dsi_panel_get_dfps_caps(display->panel, &dfps_caps);
- if (!dfps_caps.dfps_support) {
- pr_err("dfps not supported\n");
- return -ENOTSUPP;
- }
-
- if (dfps_caps.type == DSI_DFPS_IMMEDIATE_CLK) {
- pr_err("dfps clock method not supported\n");
- return -ENOTSUPP;
- }
-
- /* For split DSI, update the clock master first */
-
- pr_debug("configuring seamless dynamic fps\n\n");
-
- m_ctrl = &display->ctrl[display->clk_master_idx];
- rc = dsi_ctrl_async_timing_update(m_ctrl->ctrl, timing);
- if (rc) {
- pr_err("[%s] failed to dfps update host_%d, rc=%d\n",
- display->name, i, rc);
- goto error;
- }
-
- /* Update the rest of the controllers */
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_ctrl_async_timing_update(ctrl->ctrl, timing);
- if (rc) {
- pr_err("[%s] failed to dfps update host_%d, rc=%d\n",
- display->name, i, rc);
- goto error;
- }
- }
-
- panel_mode = display->panel->cur_mode;
- memcpy(panel_mode, dsi_mode, sizeof(*panel_mode));
- /*
- * dsi_mode_flags flags are used to communicate with other drm driver
- * components, and are transient. They aren't inherently part of the
- * display panel's mode and shouldn't be saved into the cached currently
- * active mode.
- */
- panel_mode->dsi_mode_flags = 0;
-
-error:
- return rc;
-}
-
-static int dsi_display_dfps_calc_front_porch(
- u32 old_fps,
- u32 new_fps,
- u32 a_total,
- u32 b_total,
- u32 b_fp,
- u32 *b_fp_out)
-{
- s32 b_fp_new;
- int add_porches, diff;
-
- if (!b_fp_out) {
- pr_err("Invalid params");
- return -EINVAL;
- }
-
- if (!a_total || !new_fps) {
- pr_err("Invalid pixel total or new fps in mode request\n");
- return -EINVAL;
- }
-
- /*
- * Keep clock, other porches constant, use new fps, calc front porch
- * new_vtotal = old_vtotal * (old_fps / new_fps )
- * new_vfp - old_vfp = new_vtotal - old_vtotal
- * new_vfp = old_vfp + old_vtotal * ((old_fps - new_fps)/ new_fps)
- */
- diff = abs(old_fps - new_fps);
- add_porches = mult_frac(b_total, diff, new_fps);
-
- if (old_fps > new_fps)
- b_fp_new = b_fp + add_porches;
- else
- b_fp_new = b_fp - add_porches;
-
- pr_debug("fps %u a %u b %u b_fp %u new_fp %d\n",
- new_fps, a_total, b_total, b_fp, b_fp_new);
-
- if (b_fp_new < 0) {
- pr_err("Invalid new_hfp calcluated%d\n", b_fp_new);
- return -EINVAL;
- }
-
- /**
- * TODO: To differentiate from clock method when communicating to the
- * other components, perhaps we should set clk here to original value
- */
- *b_fp_out = b_fp_new;
-
- return 0;
-}
-
-/**
- * dsi_display_get_dfps_timing() - Get the new dfps values.
- * @display: DSI display handle.
- * @adj_mode: Mode value structure to be changed.
- * It contains old timing values and latest fps value.
- * New timing values are updated based on new fps.
- * @curr_refresh_rate: Current fps rate.
- * If zero , current fps rate is taken from
- * display->panel->cur_mode.
- * Return: error code.
- */
-static int dsi_display_get_dfps_timing(struct dsi_display *display,
- struct dsi_display_mode *adj_mode,
- u32 curr_refresh_rate)
-{
- struct dsi_dfps_capabilities dfps_caps;
- struct dsi_display_mode per_ctrl_mode;
- struct dsi_mode_info *timing;
- struct dsi_ctrl *m_ctrl;
-
- int rc = 0;
-
- if (!display || !adj_mode) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
- m_ctrl = display->ctrl[display->clk_master_idx].ctrl;
-
- dsi_panel_get_dfps_caps(display->panel, &dfps_caps);
- if (!dfps_caps.dfps_support) {
- pr_err("dfps not supported by panel\n");
- return -EINVAL;
- }
-
- per_ctrl_mode = *adj_mode;
- adjust_timing_by_ctrl_count(display, &per_ctrl_mode);
-
- if (!curr_refresh_rate) {
- if (!dsi_display_is_seamless_dfps_possible(display,
- &per_ctrl_mode, dfps_caps.type)) {
- pr_err("seamless dynamic fps not supported for mode\n");
- return -EINVAL;
- }
- if (display->panel->cur_mode) {
- curr_refresh_rate =
- display->panel->cur_mode->timing.refresh_rate;
- } else {
- pr_err("cur_mode is not initialized\n");
- return -EINVAL;
- }
- }
- /* TODO: Remove this direct reference to the dsi_ctrl */
- timing = &per_ctrl_mode.timing;
-
- switch (dfps_caps.type) {
- case DSI_DFPS_IMMEDIATE_VFP:
- rc = dsi_display_dfps_calc_front_porch(
- curr_refresh_rate,
- timing->refresh_rate,
- DSI_H_TOTAL(timing),
- DSI_V_TOTAL(timing),
- timing->v_front_porch,
- &adj_mode->timing.v_front_porch);
- break;
-
- case DSI_DFPS_IMMEDIATE_HFP:
- rc = dsi_display_dfps_calc_front_porch(
- curr_refresh_rate,
- timing->refresh_rate,
- DSI_V_TOTAL(timing),
- DSI_H_TOTAL(timing),
- timing->h_front_porch,
- &adj_mode->timing.h_front_porch);
- if (!rc)
- adj_mode->timing.h_front_porch *= display->ctrl_count;
- break;
-
- default:
- pr_err("Unsupported DFPS mode %d\n", dfps_caps.type);
- rc = -ENOTSUPP;
- }
-
- return rc;
-}
-
-static bool dsi_display_validate_mode_seamless(struct dsi_display *display,
- struct dsi_display_mode *adj_mode)
-{
- int rc = 0;
-
- if (!display || !adj_mode) {
- pr_err("Invalid params\n");
- return false;
- }
-
- /* Currently the only seamless transition is dynamic fps */
- rc = dsi_display_get_dfps_timing(display, adj_mode, 0);
- if (rc) {
- pr_debug("Dynamic FPS not supported for seamless\n");
- } else {
- pr_debug("Mode switch is seamless Dynamic FPS\n");
- adj_mode->dsi_mode_flags |= DSI_MODE_FLAG_DFPS |
- DSI_MODE_FLAG_VBLANK_PRE_MODESET;
- }
-
- return rc;
-}
-
-static int dsi_display_set_mode_sub(struct dsi_display *display,
- struct dsi_display_mode *mode,
- u32 flags)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *ctrl;
- struct dsi_display_mode_priv_info *priv_info;
-
- priv_info = mode->priv_info;
- if (!priv_info) {
- pr_err("[%s] failed to get private info of the display mode",
- display->name);
- return -EINVAL;
- }
-
- rc = dsi_panel_get_host_cfg_for_mode(display->panel,
- mode,
- &display->config);
- if (rc) {
- pr_err("[%s] failed to get host config for mode, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- memcpy(&display->config.lane_map, &display->lane_map,
- sizeof(display->lane_map));
-
- if (mode->dsi_mode_flags &
- (DSI_MODE_FLAG_DFPS | DSI_MODE_FLAG_VRR)) {
- rc = dsi_display_dfps_update(display, mode);
- if (rc) {
- pr_err("[%s]DSI dfps update failed, rc=%d\n",
- display->name, rc);
- goto error;
- }
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- rc = dsi_ctrl_update_host_config(ctrl->ctrl, &display->config,
- mode->dsi_mode_flags, display->dsi_clk_handle);
- if (rc) {
- pr_err("[%s] failed to update ctrl config, rc=%d\n",
- display->name, rc);
- goto error;
- }
- }
-
- if (priv_info->phy_timing_len) {
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- rc = dsi_phy_set_timing_params(ctrl->phy,
- priv_info->phy_timing_val,
- priv_info->phy_timing_len);
- if (rc)
- pr_err("failed to add DSI PHY timing params");
- }
- }
-error:
- return rc;
-}
-
-/**
- * _dsi_display_dev_init - initializes the display device
- * Initialization will acquire references to the resources required for the
- * display hardware to function.
- * @display: Handle to the display
- * Returns: Zero on success
- */
-static int _dsi_display_dev_init(struct dsi_display *display)
-{
- int rc = 0;
-
- if (!display) {
- pr_err("invalid display\n");
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
-
- rc = dsi_display_parse_dt(display);
- if (rc) {
- pr_err("[%s] failed to parse dt, rc=%d\n", display->name, rc);
- goto error;
- }
-
- rc = dsi_display_res_init(display);
- if (rc) {
- pr_err("[%s] failed to initialize resources, rc=%d\n",
- display->name, rc);
- goto error;
- }
-error:
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-/**
- * _dsi_display_dev_deinit - deinitializes the display device
- * All the resources acquired during device init will be released.
- * @display: Handle to the display
- * Returns: Zero on success
- */
-static int _dsi_display_dev_deinit(struct dsi_display *display)
-{
- int rc = 0;
-
- if (!display) {
- pr_err("invalid display\n");
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
-
- rc = dsi_display_res_deinit(display);
- if (rc)
- pr_err("[%s] failed to deinitialize resource, rc=%d\n",
- display->name, rc);
-
- mutex_unlock(&display->display_lock);
-
- return rc;
-}
-
-/**
- * dsi_display_bind - bind dsi device with controlling device
- * @dev: Pointer to base of platform device
- * @master: Pointer to container of drm device
- * @data: Pointer to private data
- * Returns: Zero on success
- */
-static int dsi_display_bind(struct device *dev,
- struct device *master,
- void *data)
-{
- struct dsi_display_ctrl *display_ctrl;
- struct drm_device *drm;
- struct dsi_display *display;
- struct dsi_clk_info info;
- struct clk_ctrl_cb clk_cb;
- struct msm_drm_private *priv;
- void *handle = NULL;
- struct platform_device *pdev = to_platform_device(dev);
- char *client1 = "dsi_clk_client";
- char *client2 = "mdp_event_client";
- char dsi_client_name[DSI_CLIENT_NAME_SIZE];
- int i, rc = 0;
-
- if (!dev || !pdev || !master) {
- pr_err("invalid param(s), dev %pK, pdev %pK, master %pK\n",
- dev, pdev, master);
- return -EINVAL;
- }
-
- drm = dev_get_drvdata(master);
- display = platform_get_drvdata(pdev);
- if (!drm || !display) {
- pr_err("invalid param(s), drm %pK, display %pK\n",
- drm, display);
- return -EINVAL;
- }
- priv = drm->dev_private;
-
- mutex_lock(&display->display_lock);
-
- rc = dsi_display_debugfs_init(display);
- if (rc) {
- pr_err("[%s] debugfs init failed, rc=%d\n", display->name, rc);
- goto error;
- }
-
- memset(&info, 0x0, sizeof(info));
-
- for (i = 0; i < display->ctrl_count; i++) {
- display_ctrl = &display->ctrl[i];
- rc = dsi_ctrl_drv_init(display_ctrl->ctrl, display->root);
- if (rc) {
- pr_err("[%s] failed to initialize ctrl[%d], rc=%d\n",
- display->name, i, rc);
- goto error_ctrl_deinit;
- }
- display_ctrl->ctrl->horiz_index = i;
-
- rc = dsi_phy_drv_init(display_ctrl->phy);
- if (rc) {
- pr_err("[%s] Failed to initialize phy[%d], rc=%d\n",
- display->name, i, rc);
- (void)dsi_ctrl_drv_deinit(display_ctrl->ctrl);
- goto error_ctrl_deinit;
- }
-
- memcpy(&info.c_clks[i], &display_ctrl->ctrl->clk_info.core_clks,
- sizeof(struct dsi_core_clk_info));
- memcpy(&info.l_clks[i], &display_ctrl->ctrl->clk_info.link_clks,
- sizeof(struct dsi_link_clk_info));
- info.c_clks[i].phandle = &priv->phandle;
- info.bus_handle[i] =
- display_ctrl->ctrl->axi_bus_info.bus_handle;
- info.ctrl_index[i] = display_ctrl->ctrl->cell_index;
- snprintf(dsi_client_name, DSI_CLIENT_NAME_SIZE,
- "dsi_core_client%u", i);
- info.c_clks[i].dsi_core_client = dpu_power_client_create(
- info.c_clks[i].phandle, dsi_client_name);
- if (IS_ERR_OR_NULL(info.c_clks[i].dsi_core_client)) {
- pr_err("[%s] client creation failed for ctrl[%d]",
- dsi_client_name, i);
- goto error_ctrl_deinit;
- }
- }
-
- info.pre_clkoff_cb = dsi_pre_clkoff_cb;
- info.pre_clkon_cb = dsi_pre_clkon_cb;
- info.post_clkoff_cb = dsi_post_clkoff_cb;
- info.post_clkon_cb = dsi_post_clkon_cb;
- info.priv_data = display;
- info.master_ndx = display->clk_master_idx;
- info.dsi_ctrl_count = display->ctrl_count;
- snprintf(info.name, MAX_STRING_LEN,
- "DSI_MNGR-%s", display->name);
-
- display->clk_mngr = dsi_display_clk_mngr_register(&info);
- if (IS_ERR_OR_NULL(display->clk_mngr)) {
- rc = PTR_ERR(display->clk_mngr);
- display->clk_mngr = NULL;
- pr_err("dsi clock registration failed, rc = %d\n", rc);
- goto error_ctrl_deinit;
- }
-
- handle = dsi_register_clk_handle(display->clk_mngr, client1);
- if (IS_ERR_OR_NULL(handle)) {
- rc = PTR_ERR(handle);
- pr_err("failed to register %s client, rc = %d\n",
- client1, rc);
- goto error_clk_deinit;
- } else {
- display->dsi_clk_handle = handle;
- }
-
- handle = dsi_register_clk_handle(display->clk_mngr, client2);
- if (IS_ERR_OR_NULL(handle)) {
- rc = PTR_ERR(handle);
- pr_err("failed to register %s client, rc = %d\n",
- client2, rc);
- goto error_clk_client_deinit;
- } else {
- display->mdp_clk_handle = handle;
- }
-
- clk_cb.priv = display;
- clk_cb.dsi_clk_cb = dsi_display_clk_ctrl_cb;
-
- for (i = 0; i < display->ctrl_count; i++) {
- display_ctrl = &display->ctrl[i];
-
- rc = dsi_ctrl_clk_cb_register(display_ctrl->ctrl, &clk_cb);
- if (rc) {
- pr_err("[%s] failed to register ctrl clk_cb[%d], rc=%d\n",
- display->name, i, rc);
- goto error_ctrl_deinit;
- }
-
- rc = dsi_phy_clk_cb_register(display_ctrl->phy, &clk_cb);
- if (rc) {
- pr_err("[%s] failed to register phy clk_cb[%d], rc=%d\n",
- display->name, i, rc);
- goto error_ctrl_deinit;
- }
- }
-
- rc = dsi_display_mipi_host_init(display);
- if (rc) {
- pr_err("[%s] failed to initialize mipi host, rc=%d\n",
- display->name, rc);
- goto error_ctrl_deinit;
- }
-
- rc = dsi_panel_drv_init(display->panel, &display->host);
- if (rc) {
- if (rc != -EPROBE_DEFER)
- pr_err("[%s] failed to initialize panel driver, rc=%d\n",
- display->name, rc);
- goto error_host_deinit;
- }
-
- pr_info("Successfully bind display panel '%s'\n", display->name);
- display->drm_dev = drm;
- goto error;
-
-error_host_deinit:
- (void)dsi_display_mipi_host_deinit(display);
-error_clk_client_deinit:
- (void)dsi_deregister_clk_handle(display->dsi_clk_handle);
-error_clk_deinit:
- (void)dsi_display_clk_mngr_deregister(display->clk_mngr);
-error_ctrl_deinit:
- for (i = i - 1; i >= 0; i--) {
- display_ctrl = &display->ctrl[i];
- (void)dsi_phy_drv_deinit(display_ctrl->phy);
- (void)dsi_ctrl_drv_deinit(display_ctrl->ctrl);
- }
- (void)dsi_display_debugfs_deinit(display);
-error:
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-/**
- * dsi_display_unbind - unbind dsi from controlling device
- * @dev: Pointer to base of platform device
- * @master: Pointer to container of drm device
- * @data: Pointer to private data
- */
-static void dsi_display_unbind(struct device *dev,
- struct device *master, void *data)
-{
- struct dsi_display_ctrl *display_ctrl;
- struct dsi_display *display;
- struct platform_device *pdev = to_platform_device(dev);
- int i, rc = 0;
-
- if (!dev || !pdev) {
- pr_err("invalid param(s)\n");
- return;
- }
-
- display = platform_get_drvdata(pdev);
- if (!display) {
- pr_err("invalid display\n");
- return;
- }
-
- mutex_lock(&display->display_lock);
-
- rc = dsi_panel_drv_deinit(display->panel);
- if (rc)
- pr_err("[%s] failed to deinit panel driver, rc=%d\n",
- display->name, rc);
-
- rc = dsi_display_mipi_host_deinit(display);
- if (rc)
- pr_err("[%s] failed to deinit mipi hosts, rc=%d\n",
- display->name,
- rc);
-
- for (i = 0; i < display->ctrl_count; i++) {
- display_ctrl = &display->ctrl[i];
-
- rc = dsi_phy_drv_deinit(display_ctrl->phy);
- if (rc)
- pr_err("[%s] failed to deinit phy%d driver, rc=%d\n",
- display->name, i, rc);
-
- rc = dsi_ctrl_drv_deinit(display_ctrl->ctrl);
- if (rc)
- pr_err("[%s] failed to deinit ctrl%d driver, rc=%d\n",
- display->name, i, rc);
- }
- (void)dsi_display_debugfs_deinit(display);
-
- mutex_unlock(&display->display_lock);
-}
-
-static const struct component_ops dsi_display_comp_ops = {
- .bind = dsi_display_bind,
- .unbind = dsi_display_unbind,
-};
-
-static struct platform_driver dsi_display_driver = {
- .probe = dsi_display_dev_probe,
- .remove = dsi_display_dev_remove,
- .driver = {
- .name = "msm-dsi-display",
- .of_match_table = dsi_display_dt_match,
- },
-};
-
-int dsi_display_dev_probe(struct platform_device *pdev)
-{
- int rc = 0;
- struct dsi_display *display;
- static bool display_from_cmdline, boot_displays_parsed;
- static bool comp_add_success;
- static struct device_node *primary_np, *secondary_np;
-
- if (!pdev || !pdev->dev.of_node) {
- pr_err("pdev not found\n");
- return -ENODEV;
- }
-
- display = devm_kzalloc(&pdev->dev, sizeof(*display), GFP_KERNEL);
- if (!display)
- return -ENOMEM;
-
- display->name = of_get_property(pdev->dev.of_node, "label", NULL);
-
- if (!boot_displays_parsed) {
- boot_displays[DSI_PRIMARY].boot_disp_en = false;
- boot_displays[DSI_SECONDARY].boot_disp_en = false;
- if (dsi_display_parse_boot_display_selection())
- pr_debug("Display Boot param not valid/available\n");
-
- boot_displays_parsed = true;
- }
-
- /* use default topology of every mode if not overridden */
- display->cmdline_topology = NO_OVERRIDE;
- display->cmdline_timing = 0;
-
- if ((!display_from_cmdline) &&
- (boot_displays[DSI_PRIMARY].boot_disp_en)) {
- display->is_active = dsi_display_name_compare(pdev->dev.of_node,
- display->name, DSI_PRIMARY);
- if (display->is_active) {
- if (comp_add_success) {
- (void)_dsi_display_dev_deinit(main_display);
- component_del(&main_display->pdev->dev,
- &dsi_display_comp_ops);
- mutex_lock(&dsi_display_list_lock);
- list_del(&main_display->list);
- mutex_unlock(&dsi_display_list_lock);
- comp_add_success = false;
- default_active_node = NULL;
- pr_debug("removed the existing comp ops\n");
- }
- /*
- * Need to add component for
- * the secondary DSI display
- * when more than one DSI display
- * is supported.
- */
- pr_debug("cmdline primary dsi: %s\n",
- display->name);
- display_from_cmdline = true;
- dsi_display_parse_cmdline_topology(display,
- DSI_PRIMARY);
- primary_np = pdev->dev.of_node;
- }
- }
-
- if (boot_displays[DSI_SECONDARY].boot_disp_en
- && !secondary_np
- && dsi_display_name_compare(pdev->dev.of_node,
- display->name, DSI_SECONDARY)) {
- pr_debug("cmdline secondary dsi: %s\n",
- display->name);
- secondary_np = pdev->dev.of_node;
- if (primary_np) {
- if (validate_dsi_display_selection()) {
- display->is_active = true;
- dsi_display_parse_cmdline_topology(
- display, DSI_SECONDARY);
- } else {
- boot_displays[DSI_SECONDARY]
- .boot_disp_en = false;
- }
- }
- }
- display->display_type = of_get_property(pdev->dev.of_node,
- "qcom,display-type", NULL);
- if (!display->display_type)
- display->display_type = "unknown";
-
- mutex_init(&display->display_lock);
- display->pdev = pdev;
- platform_set_drvdata(pdev, display);
- mutex_lock(&dsi_display_list_lock);
- list_add(&display->list, &dsi_display_list);
- mutex_unlock(&dsi_display_list_lock);
-
- if (!display_from_cmdline)
- display->is_active = of_property_read_bool(pdev->dev.of_node,
- "qcom,dsi-display-active");
-
- if (display->is_active) {
- main_display = display;
- rc = _dsi_display_dev_init(display);
- if (rc) {
- pr_err("device init failed, rc=%d\n", rc);
- return rc;
- }
-
- rc = component_add(&pdev->dev, &dsi_display_comp_ops);
- if (rc)
- pr_err("component add failed, rc=%d\n", rc);
-
- comp_add_success = true;
- pr_debug("Component_add success: %s\n", display->name);
- if (!display_from_cmdline)
- default_active_node = pdev->dev.of_node;
- }
- return rc;
-}
-
-int dsi_display_dev_remove(struct platform_device *pdev)
-{
- int rc = 0;
- struct dsi_display *display;
- struct dsi_display *pos, *tmp;
-
- if (!pdev) {
- pr_err("Invalid device\n");
- return -EINVAL;
- }
-
- display = platform_get_drvdata(pdev);
-
- (void)_dsi_display_dev_deinit(display);
-
- mutex_lock(&dsi_display_list_lock);
- list_for_each_entry_safe(pos, tmp, &dsi_display_list, list) {
- if (pos == display) {
- list_del(&display->list);
- break;
- }
- }
- mutex_unlock(&dsi_display_list_lock);
-
- platform_set_drvdata(pdev, NULL);
- devm_kfree(&pdev->dev, display);
- return rc;
-}
-
-int dsi_display_get_num_of_displays(void)
-{
- int count = 0;
- struct dsi_display *display;
-
- mutex_lock(&dsi_display_list_lock);
-
- list_for_each_entry(display, &dsi_display_list, list) {
- count++;
- }
-
- mutex_unlock(&dsi_display_list_lock);
- return count;
-}
-
-int dsi_display_get_active_displays(void **display_array, u32 max_display_count)
-{
- struct dsi_display *pos;
- int i = 0;
-
- if (!display_array || !max_display_count) {
- if (!display_array)
- pr_err("invalid params\n");
- return 0;
- }
-
- mutex_lock(&dsi_display_list_lock);
-
- list_for_each_entry(pos, &dsi_display_list, list) {
- if (i >= max_display_count) {
- pr_err("capping display count to %d\n", i);
- break;
- }
- if (pos->is_active)
- display_array[i++] = pos;
- }
-
- mutex_unlock(&dsi_display_list_lock);
- return i;
-}
-
-struct dsi_display *dsi_display_get_display_by_name(const char *name)
-{
- struct dsi_display *display = NULL, *pos;
-
- mutex_lock(&dsi_display_list_lock);
-
- list_for_each_entry(pos, &dsi_display_list, list) {
- if (!strcmp(name, pos->name))
- display = pos;
- }
-
- mutex_unlock(&dsi_display_list_lock);
-
- return display;
-}
-
-void dsi_display_set_active_state(struct dsi_display *display, bool is_active)
-{
- mutex_lock(&display->display_lock);
- display->is_active = is_active;
- mutex_unlock(&display->display_lock);
-}
-
-int dsi_display_drm_bridge_init(struct dsi_display *display,
- struct drm_encoder *enc)
-{
- int rc = 0;
- struct dsi_bridge *bridge;
- struct msm_drm_private *priv = NULL;
-
- if (!display || !display->drm_dev || !enc) {
- pr_err("invalid param(s)\n");
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
- priv = display->drm_dev->dev_private;
-
- if (!priv) {
- pr_err("Private data is not present\n");
- rc = -EINVAL;
- goto error;
- }
-
- if (display->bridge) {
- pr_err("display is already initialize\n");
- goto error;
- }
-
- bridge = dsi_drm_bridge_init(display, display->drm_dev, enc);
- if (IS_ERR_OR_NULL(bridge)) {
- rc = PTR_ERR(bridge);
- pr_err("[%s] brige init failed, %d\n", display->name, rc);
- goto error;
- }
-
- display->bridge = bridge;
- priv->bridges[priv->num_bridges++] = &bridge->base;
-
-error:
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-int dsi_display_drm_bridge_deinit(struct dsi_display *display)
-{
- int rc = 0;
-
- if (!display) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
-
- dsi_drm_bridge_cleanup(display->bridge);
- display->bridge = NULL;
-
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-int dsi_display_get_info(struct msm_display_info *info, void *disp)
-{
- struct dsi_display *display;
- struct dsi_panel_phy_props phy_props;
- int i, rc;
-
- if (!info || !disp) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- display = disp;
- if (!display->panel) {
- pr_err("invalid display panel\n");
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
- rc = dsi_panel_get_phy_props(display->panel, &phy_props);
- if (rc) {
- pr_err("[%s] failed to get panel phy props, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- memset(info, 0, sizeof(struct msm_display_info));
- info->intf_type = DRM_MODE_CONNECTOR_DSI;
- info->num_of_h_tiles = display->ctrl_count;
- for (i = 0; i < info->num_of_h_tiles; i++)
- info->h_tile_instance[i] = display->ctrl[i].ctrl->cell_index;
-
- info->is_connected = true;
- info->is_primary = true;
- info->width_mm = phy_props.panel_width_mm;
- info->height_mm = phy_props.panel_height_mm;
- info->max_width = 1920;
- info->max_height = 1080;
-
- switch (display->panel->panel_mode) {
- case DSI_OP_VIDEO_MODE:
- info->capabilities |= MSM_DISPLAY_CAP_VID_MODE;
- break;
- case DSI_OP_CMD_MODE:
- info->capabilities |= MSM_DISPLAY_CAP_CMD_MODE;
- info->is_te_using_watchdog_timer =
- display->panel->te_using_watchdog_timer;
- break;
- default:
- pr_err("unknwown dsi panel mode %d\n",
- display->panel->panel_mode);
- break;
- }
-
-error:
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-int dsi_display_get_mode_count(struct dsi_display *display,
- u32 *count)
-{
- struct dsi_dfps_capabilities dfps_caps;
- int num_dfps_rates, rc = 0;
-
- if (!display || !display->panel) {
- pr_err("invalid display:%d panel:%d\n", display != NULL,
- display ? display->panel != NULL : 0);
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
-
- *count = display->panel->num_timing_nodes;
-
- rc = dsi_panel_get_dfps_caps(display->panel, &dfps_caps);
- if (rc) {
- pr_err("[%s] failed to get dfps caps from panel\n",
- display->name);
- goto done;
- }
-
- num_dfps_rates = !dfps_caps.dfps_support ? 1 :
- dfps_caps.max_refresh_rate -
- dfps_caps.min_refresh_rate + 1;
-
- /* Inflate num_of_modes by fps in dfps */
- *count = display->panel->num_timing_nodes * num_dfps_rates;
-
-done:
- mutex_unlock(&display->display_lock);
-
- return 0;
-}
-
-void dsi_display_put_mode(struct dsi_display *display,
- struct dsi_display_mode *mode)
-{
- dsi_panel_put_mode(mode);
-}
-
-int dsi_display_get_modes(struct dsi_display *display,
- struct dsi_display_mode *modes)
-{
- struct dsi_dfps_capabilities dfps_caps;
- u32 num_dfps_rates, panel_mode_count;
- u32 mode_idx, array_idx = 0;
- int i, rc = 0;
-
- if (!display || !modes) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
-
- rc = dsi_panel_get_dfps_caps(display->panel, &dfps_caps);
- if (rc) {
- pr_err("[%s] failed to get dfps caps from panel\n",
- display->name);
- goto error;
- }
-
- num_dfps_rates = !dfps_caps.dfps_support ? 1 :
- dfps_caps.max_refresh_rate -
- dfps_caps.min_refresh_rate + 1;
-
- panel_mode_count = display->panel->num_timing_nodes;
-
- for (mode_idx = 0; mode_idx < panel_mode_count; mode_idx++) {
- struct dsi_display_mode panel_mode;
- int topology_override = NO_OVERRIDE;
-
- if (display->cmdline_timing == mode_idx)
- topology_override = display->cmdline_topology;
-
- memset(&panel_mode, 0, sizeof(panel_mode));
-
- rc = dsi_panel_get_mode(display->panel, mode_idx,
- &panel_mode, topology_override);
- if (rc) {
- pr_err("[%s] failed to get mode idx %d from panel\n",
- display->name, mode_idx);
- goto error;
- }
-
- if (display->ctrl_count > 1) { /* TODO: remove if */
- panel_mode.timing.h_active *= display->ctrl_count;
- panel_mode.timing.h_front_porch *= display->ctrl_count;
- panel_mode.timing.h_sync_width *= display->ctrl_count;
- panel_mode.timing.h_back_porch *= display->ctrl_count;
- panel_mode.timing.h_skew *= display->ctrl_count;
- panel_mode.pixel_clk_khz *= display->ctrl_count;
- }
-
- for (i = 0; i < num_dfps_rates; i++) {
- struct dsi_display_mode *sub_mode = &modes[array_idx];
- u32 curr_refresh_rate;
-
- if (!sub_mode) {
- pr_err("invalid mode data\n");
- return -EFAULT;
- }
-
- memcpy(sub_mode, &panel_mode, sizeof(panel_mode));
-
- if (dfps_caps.dfps_support) {
- curr_refresh_rate =
- sub_mode->timing.refresh_rate;
- sub_mode->timing.refresh_rate =
- dfps_caps.min_refresh_rate +
- (i % num_dfps_rates);
-
- dsi_display_get_dfps_timing(display,
- sub_mode, curr_refresh_rate);
-
- sub_mode->pixel_clk_khz =
- (DSI_H_TOTAL(&sub_mode->timing) *
- DSI_V_TOTAL(&sub_mode->timing) *
- sub_mode->timing.refresh_rate) / 1000;
- }
- array_idx++;
- }
- }
-
-error:
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-/**
- * dsi_display_validate_mode_vrr() - Validate if varaible refresh case.
- * @display: DSI display handle.
- * @cur_dsi_mode: Current DSI mode.
- * @mode: Mode value structure to be validated.
- * MSM_MODE_FLAG_SEAMLESS_VRR flag is set if there
- * is change in fps but vactive and hactive are same.
- * Return: error code.
- */
-int dsi_display_validate_mode_vrr(struct dsi_display *display,
- struct dsi_display_mode *cur_dsi_mode,
- struct dsi_display_mode *mode)
-{
- int rc = 0;
- struct dsi_display_mode adj_mode, cur_mode;
- struct dsi_dfps_capabilities dfps_caps;
- u32 curr_refresh_rate;
-
- if (!display || !mode) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- if (!display->panel || !display->panel->cur_mode) {
- pr_debug("Current panel mode not set\n");
- return rc;
- }
-
- mutex_lock(&display->display_lock);
-
- adj_mode = *mode;
- cur_mode = *cur_dsi_mode;
-
- if ((cur_mode.timing.refresh_rate != adj_mode.timing.refresh_rate) &&
- (cur_mode.timing.v_active == adj_mode.timing.v_active) &&
- (cur_mode.timing.h_active == adj_mode.timing.h_active)) {
-
- curr_refresh_rate = cur_mode.timing.refresh_rate;
- rc = dsi_panel_get_dfps_caps(display->panel, &dfps_caps);
- if (rc) {
- pr_err("[%s] failed to get dfps caps from panel\n",
- display->name);
- goto error;
- }
-
- cur_mode.timing.refresh_rate =
- adj_mode.timing.refresh_rate;
-
- rc = dsi_display_get_dfps_timing(display,
- &cur_mode, curr_refresh_rate);
- if (rc) {
- pr_err("[%s] seamless vrr not possible rc=%d\n",
- display->name, rc);
- goto error;
- }
- switch (dfps_caps.type) {
- /*
- * Ignore any round off factors in porch calculation.
- * Worse case is set to 5.
- */
- case DSI_DFPS_IMMEDIATE_VFP:
- if (abs(DSI_V_TOTAL(&cur_mode.timing) -
- DSI_V_TOTAL(&adj_mode.timing)) > 5)
- pr_err("Mismatch vfp fps:%d new:%d given:%d\n",
- adj_mode.timing.refresh_rate,
- cur_mode.timing.v_front_porch,
- adj_mode.timing.v_front_porch);
- break;
-
- case DSI_DFPS_IMMEDIATE_HFP:
- if (abs(DSI_H_TOTAL(&cur_mode.timing) -
- DSI_H_TOTAL(&adj_mode.timing)) > 5)
- pr_err("Mismatch hfp fps:%d new:%d given:%d\n",
- adj_mode.timing.refresh_rate,
- cur_mode.timing.h_front_porch,
- adj_mode.timing.h_front_porch);
- break;
-
- default:
- pr_err("Unsupported DFPS mode %d\n",
- dfps_caps.type);
- rc = -ENOTSUPP;
- }
-
- pr_debug("Mode switch is seamless variable refresh\n");
- mode->dsi_mode_flags |= DSI_MODE_FLAG_VRR;
- DPU_EVT32(curr_refresh_rate, adj_mode.timing.refresh_rate,
- cur_mode.timing.h_front_porch,
- adj_mode.timing.h_front_porch);
- }
-
-error:
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-int dsi_display_validate_mode(struct dsi_display *display,
- struct dsi_display_mode *mode,
- u32 flags)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *ctrl;
- struct dsi_display_mode adj_mode;
-
- if (!display || !mode) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
-
- adj_mode = *mode;
- adjust_timing_by_ctrl_count(display, &adj_mode);
-
- rc = dsi_panel_validate_mode(display->panel, &adj_mode);
- if (rc) {
- pr_err("[%s] panel mode validation failed, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- rc = dsi_ctrl_validate_timing(ctrl->ctrl, &adj_mode.timing);
- if (rc) {
- pr_err("[%s] ctrl mode validation failed, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- rc = dsi_phy_validate_mode(ctrl->phy, &adj_mode.timing);
- if (rc) {
- pr_err("[%s] phy mode validation failed, rc=%d\n",
- display->name, rc);
- goto error;
- }
- }
-
- if ((flags & DSI_VALIDATE_FLAG_ALLOW_ADJUST) &&
- (mode->dsi_mode_flags & DSI_MODE_FLAG_SEAMLESS)) {
- rc = dsi_display_validate_mode_seamless(display, mode);
- if (rc) {
- pr_err("[%s] seamless not possible rc=%d\n",
- display->name, rc);
- goto error;
- }
- }
-
-error:
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-int dsi_display_set_mode(struct dsi_display *display,
- struct dsi_display_mode *mode,
- u32 flags)
-{
- int rc = 0;
- struct dsi_display_mode adj_mode;
-
- if (!display || !mode || !display->panel) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
-
- adj_mode = *mode;
- adjust_timing_by_ctrl_count(display, &adj_mode);
-
- rc = dsi_display_validate_mode_set(display, &adj_mode, flags);
- if (rc) {
- pr_err("[%s] mode cannot be set\n", display->name);
- goto error;
- }
-
- rc = dsi_display_set_mode_sub(display, &adj_mode, flags);
- if (rc) {
- pr_err("[%s] failed to set mode\n", display->name);
- goto error;
- }
-
- if (!display->panel->cur_mode) {
- display->panel->cur_mode =
- kzalloc(sizeof(struct dsi_display_mode), GFP_KERNEL);
- if (!display->panel->cur_mode) {
- rc = -ENOMEM;
- goto error;
- }
- }
-
- memcpy(display->panel->cur_mode, &adj_mode, sizeof(adj_mode));
-error:
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-int dsi_display_set_tpg_state(struct dsi_display *display, bool enable)
-{
- int rc = 0;
- int i;
- struct dsi_display_ctrl *ctrl;
-
- if (!display) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- rc = dsi_ctrl_set_tpg_state(ctrl->ctrl, enable);
- if (rc) {
- pr_err("[%s] failed to set tpg state for host_%d\n",
- display->name, i);
- goto error;
- }
- }
-
- display->is_tpg_enabled = enable;
-error:
- return rc;
-}
-
-static int dsi_display_pre_switch(struct dsi_display *display)
-{
- int rc = 0;
-
- rc = dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_CORE_CLK, DSI_CLK_ON);
- if (rc) {
- pr_err("[%s] failed to enable DSI core clocks, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- rc = dsi_display_ctrl_update(display);
- if (rc) {
- pr_err("[%s] failed to update DSI controller, rc=%d\n",
- display->name, rc);
- goto error_ctrl_clk_off;
- }
-
- rc = dsi_display_set_clk_src(display);
- if (rc) {
- pr_err("[%s] failed to set DSI link clock source, rc=%d\n",
- display->name, rc);
- goto error_ctrl_deinit;
- }
-
- rc = dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_LINK_CLK, DSI_CLK_ON);
- if (rc) {
- pr_err("[%s] failed to enable DSI link clocks, rc=%d\n",
- display->name, rc);
- goto error_ctrl_deinit;
- }
-
- goto error;
-
-error_ctrl_deinit:
- (void)dsi_display_ctrl_deinit(display);
-error_ctrl_clk_off:
- (void)dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_CORE_CLK, DSI_CLK_OFF);
-error:
- return rc;
-}
-
-int dsi_display_prepare(struct dsi_display *display)
-{
- int rc = 0;
- struct dsi_display_mode *mode;
-
- if (!display) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- if (!display->panel->cur_mode) {
- pr_err("no valid mode set for the display");
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
-
- mode = display->panel->cur_mode;
-
- if (mode->dsi_mode_flags & DSI_MODE_FLAG_DMS) {
- /* update dsi ctrl for new mode */
- rc = dsi_display_pre_switch(display);
- if (rc)
- pr_err("[%s] panel pre-prepare-res-switch failed, rc=%d\n",
- display->name, rc);
-
- goto error;
- }
-
- rc = dsi_panel_pre_prepare(display->panel);
- if (rc) {
- pr_err("[%s] panel pre-prepare failed, rc=%d\n",
- display->name, rc);
- goto error;
- }
-
- rc = dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_CORE_CLK, DSI_CLK_ON);
- if (rc) {
- pr_err("[%s] failed to enable DSI core clocks, rc=%d\n",
- display->name, rc);
- goto error_panel_post_unprep;
- }
-
- rc = dsi_display_phy_sw_reset(display);
- if (rc) {
- pr_err("[%s] failed to reset phy, rc=%d\n", display->name, rc);
- goto error_ctrl_clk_off;
- }
-
- rc = dsi_display_phy_enable(display);
- if (rc) {
- pr_err("[%s] failed to enable DSI PHY, rc=%d\n",
- display->name, rc);
- goto error_ctrl_clk_off;
- }
-
- rc = dsi_display_set_clk_src(display);
- if (rc) {
- pr_err("[%s] failed to set DSI link clock source, rc=%d\n",
- display->name, rc);
- goto error_phy_disable;
- }
-
- rc = dsi_display_ctrl_init(display);
- if (rc) {
- pr_err("[%s] failed to setup DSI controller, rc=%d\n",
- display->name, rc);
- goto error_phy_disable;
- }
-
- rc = dsi_display_ctrl_host_enable(display);
- if (rc) {
- pr_err("[%s] failed to enable DSI host, rc=%d\n",
- display->name, rc);
- goto error_ctrl_deinit;
- }
-
- rc = dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_LINK_CLK, DSI_CLK_ON);
- if (rc) {
- pr_err("[%s] failed to enable DSI link clocks, rc=%d\n",
- display->name, rc);
- goto error_host_engine_off;
- }
-
- rc = dsi_display_soft_reset(display);
- if (rc) {
- pr_err("[%s] failed soft reset, rc=%d\n", display->name, rc);
- goto error_ctrl_link_off;
- }
-
- rc = dsi_panel_prepare(display->panel);
- if (rc) {
- pr_err("[%s] panel prepare failed, rc=%d\n", display->name, rc);
- goto error_ctrl_link_off;
- }
-
- goto error;
-
-error_ctrl_link_off:
- (void)dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_LINK_CLK, DSI_CLK_OFF);
-error_host_engine_off:
- (void)dsi_display_ctrl_host_disable(display);
-error_ctrl_deinit:
- (void)dsi_display_ctrl_deinit(display);
-error_phy_disable:
- (void)dsi_display_phy_disable(display);
-error_ctrl_clk_off:
- (void)dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_CORE_CLK, DSI_CLK_OFF);
-error_panel_post_unprep:
- (void)dsi_panel_post_unprepare(display->panel);
-error:
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-int dsi_display_pre_kickoff(struct dsi_display *display)
-{
- int rc = 0;
-
- /* check and setup MISR */
- if (display->misr_enable)
- _dsi_display_setup_misr(display);
-
- return rc;
-}
-
-int dsi_display_enable(struct dsi_display *display)
-{
- int rc = 0;
- struct dsi_display_mode *mode;
-
- if (!display || !display->panel) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- if (!display->panel->cur_mode) {
- pr_err("no valid mode set for the display");
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
-
- mode = display->panel->cur_mode;
-
- if (mode->dsi_mode_flags & DSI_MODE_FLAG_DMS) {
- rc = dsi_panel_post_switch(display->panel);
- if (rc) {
- pr_err("[%s] failed to switch DSI panel mode, rc=%d\n",
- display->name, rc);
- goto error;
- }
- } else {
- rc = dsi_panel_enable(display->panel);
- if (rc) {
- pr_err("[%s] failed to enable DSI panel, rc=%d\n",
- display->name, rc);
- goto error;
- }
- }
-
- if (mode->priv_info->dsc_enabled) {
- mode->priv_info->dsc.pic_width *= display->ctrl_count;
- rc = dsi_panel_update_pps(display->panel);
- if (rc) {
- pr_err("[%s] panel pps cmd update failed, rc=%d\n",
- display->name, rc);
- goto error;
- }
- }
-
- if (mode->dsi_mode_flags & DSI_MODE_FLAG_DMS) {
- rc = dsi_panel_switch(display->panel);
- if (rc)
- pr_err("[%s] failed to switch DSI panel mode, rc=%d\n",
- display->name, rc);
-
- goto error;
- }
-
- if (display->config.panel_mode == DSI_OP_VIDEO_MODE) {
- rc = dsi_display_vid_engine_enable(display);
- if (rc) {
- pr_err("[%s]failed to enable DSI video engine, rc=%d\n",
- display->name, rc);
- goto error_disable_panel;
- }
- } else if (display->config.panel_mode == DSI_OP_CMD_MODE) {
- rc = dsi_display_cmd_engine_enable(display);
- if (rc) {
- pr_err("[%s]failed to enable DSI cmd engine, rc=%d\n",
- display->name, rc);
- goto error_disable_panel;
- }
- } else {
- pr_err("[%s] Invalid configuration\n", display->name);
- rc = -EINVAL;
- goto error_disable_panel;
- }
-
- goto error;
-
-error_disable_panel:
- (void)dsi_panel_disable(display->panel);
-error:
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-int dsi_display_post_enable(struct dsi_display *display)
-{
- int rc = 0;
-
- if (!display) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
-
- rc = dsi_panel_post_enable(display->panel);
- if (rc)
- pr_err("[%s] panel post-enable failed, rc=%d\n",
- display->name, rc);
-
- /* remove the clk vote for CMD mode panels */
- if (display->config.panel_mode == DSI_OP_CMD_MODE)
- dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_ALL_CLKS, DSI_CLK_OFF);
-
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-int dsi_display_pre_disable(struct dsi_display *display)
-{
- int rc = 0;
-
- if (!display) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
-
- /* enable the clk vote for CMD mode panels */
- if (display->config.panel_mode == DSI_OP_CMD_MODE)
- dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_ALL_CLKS, DSI_CLK_ON);
-
- rc = dsi_panel_pre_disable(display->panel);
- if (rc)
- pr_err("[%s] panel pre-disable failed, rc=%d\n",
- display->name, rc);
-
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-int dsi_display_disable(struct dsi_display *display)
-{
- int rc = 0;
-
- if (!display) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
-
- rc = dsi_display_wake_up(display);
- if (rc)
- pr_err("[%s] display wake up failed, rc=%d\n",
- display->name, rc);
-
- if (display->config.panel_mode == DSI_OP_VIDEO_MODE) {
- rc = dsi_display_vid_engine_disable(display);
- if (rc)
- pr_err("[%s]failed to disable DSI vid engine, rc=%d\n",
- display->name, rc);
- } else if (display->config.panel_mode == DSI_OP_CMD_MODE) {
- rc = dsi_display_cmd_engine_disable(display);
- if (rc)
- pr_err("[%s]failed to disable DSI cmd engine, rc=%d\n",
- display->name, rc);
- } else {
- pr_err("[%s] Invalid configuration\n", display->name);
- rc = -EINVAL;
- }
-
- rc = dsi_panel_disable(display->panel);
- if (rc)
- pr_err("[%s] failed to disable DSI panel, rc=%d\n",
- display->name, rc);
-
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-int dsi_display_update_pps(char *pps_cmd, void *disp)
-{
- struct dsi_display *display;
-
- if (pps_cmd == NULL || disp == NULL) {
- pr_err("Invalid parameter\n");
- return -EINVAL;
- }
-
- display = disp;
- mutex_lock(&display->display_lock);
- memcpy(display->panel->dsc_pps_cmd, pps_cmd, DSI_CMD_PPS_SIZE);
- mutex_unlock(&display->display_lock);
-
- return 0;
-}
-
-int dsi_display_unprepare(struct dsi_display *display)
-{
- int rc = 0;
-
- if (!display) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&display->display_lock);
-
- rc = dsi_display_wake_up(display);
- if (rc)
- pr_err("[%s] display wake up failed, rc=%d\n",
- display->name, rc);
-
- rc = dsi_panel_unprepare(display->panel);
- if (rc)
- pr_err("[%s] panel unprepare failed, rc=%d\n",
- display->name, rc);
-
- rc = dsi_display_ctrl_host_disable(display);
- if (rc)
- pr_err("[%s] failed to disable DSI host, rc=%d\n",
- display->name, rc);
-
- rc = dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_LINK_CLK, DSI_CLK_OFF);
- if (rc)
- pr_err("[%s] failed to disable Link clocks, rc=%d\n",
- display->name, rc);
-
- rc = dsi_display_ctrl_deinit(display);
- if (rc)
- pr_err("[%s] failed to deinit controller, rc=%d\n",
- display->name, rc);
-
- rc = dsi_display_phy_disable(display);
- if (rc)
- pr_err("[%s] failed to disable DSI PHY, rc=%d\n",
- display->name, rc);
-
- rc = dsi_display_clk_ctrl(display->dsi_clk_handle,
- DSI_CORE_CLK, DSI_CLK_OFF);
- if (rc)
- pr_err("[%s] failed to disable DSI clocks, rc=%d\n",
- display->name, rc);
-
- rc = dsi_panel_post_unprepare(display->panel);
- if (rc)
- pr_err("[%s] panel post-unprepare failed, rc=%d\n",
- display->name, rc);
-
- mutex_unlock(&display->display_lock);
- return rc;
-}
-
-static int __init dsi_display_register(void)
-{
- dsi_phy_drv_register();
- dsi_ctrl_drv_register();
- return platform_driver_register(&dsi_display_driver);
-}
-
-static void __exit dsi_display_unregister(void)
-{
- platform_driver_unregister(&dsi_display_driver);
- dsi_ctrl_drv_unregister();
- dsi_phy_drv_unregister();
-}
-module_param_string(dsi_display0, dsi_display_primary, MAX_CMDLINE_PARAM_LEN,
- 0600);
-MODULE_PARM_DESC(dsi_display0,
- "msm_drm.dsi_display0=<display node>:<configX> where <display node> is 'primary dsi display node name' and <configX> where x represents index in the topology list");
-module_param_string(dsi_display1, dsi_display_secondary, MAX_CMDLINE_PARAM_LEN,
- 0600);
-MODULE_PARM_DESC(dsi_display1,
- "msm_drm.dsi_display1=<display node>:<configX> where <display node> is 'secondary dsi display node name' and <configX> where x represents index in the topology list");
-module_init(dsi_display_register);
-module_exit(dsi_display_unregister);
deleted file mode 100644
@@ -1,556 +0,0 @@
-/*
- * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _DSI_DISPLAY_H_
-#define _DSI_DISPLAY_H_
-
-#include <linux/types.h>
-#include <linux/bitops.h>
-#include <linux/debugfs.h>
-#include <linux/of_device.h>
-#include <drm/drmP.h>
-#include <drm/drm_crtc.h>
-
-#include "msm_drv.h"
-#include "dsi_defs.h"
-#include "dsi_ctrl.h"
-#include "dsi_phy.h"
-#include "dsi_panel.h"
-
-#define MAX_DSI_CTRLS_PER_DISPLAY 2
-#define DSI_CLIENT_NAME_SIZE 20
-#define MAX_CMDLINE_PARAM_LEN 512
-/*
- * DSI Validate Mode modifiers
- * @DSI_VALIDATE_FLAG_ALLOW_ADJUST: Allow mode validation to also do fixup
- */
-#define DSI_VALIDATE_FLAG_ALLOW_ADJUST 0x1
-
-/**
- * enum dsi_display_selection_type - enumerates DSI display selection types
- * @DSI_PRIMARY: primary DSI display selected from module parameter
- * @DSI_SECONDARY: Secondary DSI display selected from module parameter
- * @MAX_DSI_ACTIVE_DISPLAY: Maximum acive displays that can be selected
- */
-enum dsi_display_selection_type {
- DSI_PRIMARY = 0,
- DSI_SECONDARY,
- MAX_DSI_ACTIVE_DISPLAY,
-};
-
-/**
- * enum dsi_display_type - enumerates DSI display types
- * @DSI_DISPLAY_SINGLE: A panel connected on a single DSI interface.
- * @DSI_DISPLAY_EXT_BRIDGE: A bridge is connected between panel and DSI host.
- * It utilizes a single DSI interface.
- * @DSI_DISPLAY_SPLIT: A panel that utilizes more than one DSI
- * interfaces.
- * @DSI_DISPLAY_SPLIT_EXT_BRIDGE: A bridge is present between panel and DSI
- * host. It utilizes more than one DSI interface.
- */
-enum dsi_display_type {
- DSI_DISPLAY_SINGLE = 0,
- DSI_DISPLAY_EXT_BRIDGE,
- DSI_DISPLAY_SPLIT,
- DSI_DISPLAY_SPLIT_EXT_BRIDGE,
- DSI_DISPLAY_MAX,
-};
-
-/**
- * struct dsi_display_ctrl - dsi ctrl/phy information for the display
- * @ctrl: Handle to the DSI controller device.
- * @ctrl_of_node: pHandle to the DSI controller device.
- * @dsi_ctrl_idx: DSI controller instance id.
- * @power_state: Current power state of the DSI controller.
- * @phy: Handle to the DSI PHY device.
- * @phy_of_node: pHandle to the DSI PHY device.
- * @phy_enabled: PHY power status.
- */
-struct dsi_display_ctrl {
- /* controller info */
- struct dsi_ctrl *ctrl;
- struct device_node *ctrl_of_node;
- u32 dsi_ctrl_idx;
-
- enum dsi_power_state power_state;
-
- /* phy info */
- struct msm_dsi_phy *phy;
- struct device_node *phy_of_node;
-
- bool phy_enabled;
-};
-/**
- * struct dsi_display_boot_param - defines DSI boot display selection
- * @name:Name of DSI display selected as a boot param.
- * @boot_disp_en:bool to indicate dtsi availability of display node
- * @is_primary:bool to indicate whether current display is primary display
- * @length:length of DSI display.
- * @cmdline_topology: Display topology shared from kernel command line.
- */
-struct dsi_display_boot_param {
- char name[MAX_CMDLINE_PARAM_LEN];
- bool boot_disp_en;
- bool is_primary;
- int length;
- struct device_node *node;
- int cmdline_topology;
-};
-
-/**
- * struct dsi_display_clk_info - dsi display clock source information
- * @src_clks: Source clocks for DSI display.
- * @mux_clks: Mux clocks used for DFPS.
- * @shadow_clks: Used for DFPS.
- */
-struct dsi_display_clk_info {
- struct dsi_clk_link_set src_clks;
- struct dsi_clk_link_set mux_clks;
- struct dsi_clk_link_set shadow_clks;
-};
-
-/**
- * struct dsi_display - dsi display information
- * @pdev: Pointer to platform device.
- * @drm_dev: DRM device associated with the display.
- * @name: Name of the display.
- * @display_type: Display type as defined in device tree.
- * @list: List pointer.
- * @is_active: Is display active.
- * @display_lock: Mutex for dsi_display interface.
- * @ctrl_count: Number of DSI interfaces required by panel.
- * @ctrl: Controller information for DSI display.
- * @panel: Handle to DSI panel.
- * @panel_of: pHandle to DSI panel.
- * @type: DSI display type.
- * @clk_master_idx: The master controller for controlling clocks. This is an
- * index into the ctrl[MAX_DSI_CTRLS_PER_DISPLAY] array.
- * @cmd_master_idx: The master controller for sending DSI commands to panel.
- * @video_master_idx: The master controller for enabling video engine.
- * @clock_info: Clock sourcing for DSI display.
- * @config: DSI host configuration information.
- * @lane_map: Lane mapping between DSI host and Panel.
- * @cmdline_topology: Display topology shared from kernel command line.
- * @cmdline_timing: Display timing shared from kernel command line.
- * @is_tpg_enabled: TPG state.
- * @ulps_enabled: ulps state.
- * @clamp_enabled: clamp state.
- * @phy_idle_power_off: PHY power state.
- * @host: DRM MIPI DSI Host.
- * @bridge: Pointer to DRM bridge object.
- * @cmd_engine_refcount: Reference count enforcing single instance of cmd eng
- * @clk_mngr: DSI clock manager.
- * @dsi_clk_handle: DSI clock handle.
- * @mdp_clk_handle: MDP clock handle.
- * @root: Debugfs root directory
- * @misr_enable Frame MISR enable/disable
- * @misr_frame_count Number of frames to accumulate the MISR value
- */
-struct dsi_display {
- struct platform_device *pdev;
- struct drm_device *drm_dev;
-
- const char *name;
- const char *display_type;
- struct list_head list;
- bool is_active;
- struct mutex display_lock;
-
- u32 ctrl_count;
- struct dsi_display_ctrl ctrl[MAX_DSI_CTRLS_PER_DISPLAY];
-
- /* panel info */
- struct dsi_panel *panel;
- struct device_node *panel_of;
-
- enum dsi_display_type type;
- u32 clk_master_idx;
- u32 cmd_master_idx;
- u32 video_master_idx;
-
- struct dsi_display_clk_info clock_info;
- struct dsi_host_config config;
- struct dsi_lane_map lane_map;
- int cmdline_topology;
- int cmdline_timing;
- bool is_tpg_enabled;
- bool ulps_enabled;
- bool clamp_enabled;
- bool phy_idle_power_off;
- struct drm_gem_object *tx_cmd_buf;
- u32 cmd_buffer_size;
- u64 cmd_buffer_iova;
- void *vaddr;
-
- struct mipi_dsi_host host;
- struct dsi_bridge *bridge;
- u32 cmd_engine_refcount;
-
- void *clk_mngr;
- void *dsi_clk_handle;
- void *mdp_clk_handle;
-
- /* DEBUG FS */
- struct dentry *root;
-
- bool misr_enable;
- u32 misr_frame_count;
-};
-
-#ifdef CONFIG_DRM_MSM_DSI_STAGING
-
-int dsi_display_dev_probe(struct platform_device *pdev);
-int dsi_display_dev_remove(struct platform_device *pdev);
-
-/**
- * dsi_display_get_num_of_displays() - returns number of display devices
- * supported.
- *
- * Return: number of displays.
- */
-int dsi_display_get_num_of_displays(void);
-
-/**
- * dsi_display_get_active_displays - returns pointers for active display devices
- * @display_array: Pointer to display array to be filled
- * @max_display_count: Size of display_array
- * @Returns: Number of display entries filled
- */
-int dsi_display_get_active_displays(void **display_array,
- u32 max_display_count);
-
-/**
- * dsi_display_get_boot_display()- get DSI boot display name
- * @index: index of display selection
- *
- * Return: returns the display node pointer
- */
-struct device_node *dsi_display_get_boot_display(int index);
-
-/**
- * dsi_display_get_display_by_name()- finds display by name
- * @name: name of the display.
- *
- * Return: handle to the display or error code.
- */
-struct dsi_display *dsi_display_get_display_by_name(const char *name);
-
-/**
- * dsi_display_set_active_state() - sets the state of the display
- * @display: Handle to display.
- * @is_active: state
- */
-void dsi_display_set_active_state(struct dsi_display *display, bool is_active);
-
-/**
- * dsi_display_drm_bridge_init() - initializes DRM bridge object for DSI
- * @display: Handle to the display.
- * @encoder: Pointer to the encoder object which is connected to the
- * display.
- *
- * Return: error code.
- */
-int dsi_display_drm_bridge_init(struct dsi_display *display,
- struct drm_encoder *enc);
-
-/**
- * dsi_display_drm_bridge_deinit() - destroys DRM bridge for the display
- * @display: Handle to the display.
- *
- * Return: error code.
- */
-int dsi_display_drm_bridge_deinit(struct dsi_display *display);
-
-/**
- * dsi_display_get_info() - returns the display properties
- * @info: Pointer to the structure where info is stored.
- * @disp: Handle to the display.
- *
- * Return: error code.
- */
-int dsi_display_get_info(struct msm_display_info *info, void *disp);
-
-/**
- * dsi_display_get_mode_count() - get number of modes supported by the display
- * @display: Handle to display.
- * @count: Number of modes supported
- *
- * Return: error code.
- */
-int dsi_display_get_mode_count(struct dsi_display *display, u32 *count);
-
-/**
- * dsi_display_get_modes() - get modes supported by display
- * @display: Handle to display.
- * @modes; Pointer to array of modes. Memory allocated should be
- * big enough to store (count * struct dsi_display_mode)
- * elements. If modes pointer is NULL, number of modes will
- * be stored in the memory pointed to by count.
- *
- * Return: error code.
- */
-int dsi_display_get_modes(struct dsi_display *display,
- struct dsi_display_mode *modes);
-
-/**
- * dsi_display_put_mode() - free up mode created for the display
- * @display: Handle to display.
- * @mode: Display mode to be freed up
- *
- * Return: error code.
- */
-void dsi_display_put_mode(struct dsi_display *display,
- struct dsi_display_mode *mode);
-
-/**
- * dsi_display_validate_mode() - validates if mode is supported by display
- * @display: Handle to display.
- * @mode: Mode to be validated.
- * @flags: Modifier flags.
- *
- * Return: 0 if supported or error code.
- */
-int dsi_display_validate_mode(struct dsi_display *display,
- struct dsi_display_mode *mode,
- u32 flags);
-
-/**
- * dsi_display_validate_mode_vrr() - validates mode if variable refresh case
- * @display: Handle to display.
- * @mode: Mode to be validated..
- *
- * Return: 0 if error code.
- */
-int dsi_display_validate_mode_vrr(struct dsi_display *display,
- struct dsi_display_mode *cur_dsi_mode,
- struct dsi_display_mode *mode);
-
-/**
- * dsi_display_set_mode() - Set mode on the display.
- * @display: Handle to display.
- * @mode: mode to be set.
- * @flags: Modifier flags.
- *
- * Return: error code.
- */
-int dsi_display_set_mode(struct dsi_display *display,
- struct dsi_display_mode *mode,
- u32 flags);
-
-/**
- * dsi_display_prepare() - prepare display
- * @display: Handle to display.
- *
- * Prepare will perform power up sequences for the host and panel hardware.
- * Power and clock resources might be turned on (depending on the panel mode).
- * The video engine is not enabled.
- *
- * Return: error code.
- */
-int dsi_display_prepare(struct dsi_display *display);
-
-/**
- * dsi_display_enable() - enable display
- * @display: Handle to display.
- *
- * Enable will turn on the host engine and the panel. At the end of the enable
- * function, Host and panel hardware are ready to accept pixel data from
- * upstream.
- *
- * Return: error code.
- */
-int dsi_display_enable(struct dsi_display *display);
-
-/**
- * dsi_display_post_enable() - perform post enable operations.
- * @display: Handle to display.
- *
- * Some panels might require some commands to be sent after pixel data
- * transmission has started. Such commands are sent as part of the post_enable
- * function.
- *
- * Return: error code.
- */
-int dsi_display_post_enable(struct dsi_display *display);
-
-/**
- * dsi_display_pre_disable() - perform pre disable operations.
- * @display: Handle to display.
- *
- * If a panel requires commands to be sent before pixel data transmission is
- * stopped, those can be sent as part of pre_disable.
- *
- * Return: error code.
- */
-int dsi_display_pre_disable(struct dsi_display *display);
-
-/**
- * dsi_display_disable() - disable panel and host hardware.
- * @display: Handle to display.
- *
- * Disable host and panel hardware and pixel data transmission can not continue.
- *
- * Return: error code.
- */
-int dsi_display_disable(struct dsi_display *display);
-
-/**
- * dsi_pre_clkoff_cb() - Callback before clock is turned off
- * @priv: private data pointer.
- * @clk_type: clock which is being turned on.
- * @new_state: next state for the clock.
- *
- * @return: error code.
- */
-int dsi_pre_clkoff_cb(void *priv, enum dsi_clk_type clk_type,
- enum dsi_clk_state new_state);
-
-/**
- * dsi_display_update_pps() - update PPS buffer.
- * @pps_cmd: PPS buffer.
- * @display: Handle to display.
- *
- * Copies new PPS buffer into display structure.
- *
- * Return: error code.
- */
-int dsi_display_update_pps(char *pps_cmd, void *display);
-
-/**
- * dsi_post_clkoff_cb() - Callback after clock is turned off
- * @priv: private data pointer.
- * @clk_type: clock which is being turned on.
- * @curr_state: current state for the clock.
- *
- * @return: error code.
- */
-int dsi_post_clkoff_cb(void *priv, enum dsi_clk_type clk_type,
- enum dsi_clk_state curr_state);
-
-/**
- * dsi_post_clkon_cb() - Callback after clock is turned on
- * @priv: private data pointer.
- * @clk_type: clock which is being turned on.
- * @curr_state: current state for the clock.
- *
- * @return: error code.
- */
-int dsi_post_clkon_cb(void *priv, enum dsi_clk_type clk_type,
- enum dsi_clk_state curr_state);
-
-
-/**
- * dsi_pre_clkon_cb() - Callback before clock is turned on
- * @priv: private data pointer.
- * @clk_type: clock which is being turned on.
- * @new_state: next state for the clock.
- *
- * @return: error code.
- */
-int dsi_pre_clkon_cb(void *priv, enum dsi_clk_type clk_type,
- enum dsi_clk_state new_state);
-
-/**
- * dsi_display_unprepare() - power off display hardware.
- * @display: Handle to display.
- *
- * Host and panel hardware is turned off. Panel will be in reset state at the
- * end of the function.
- *
- * Return: error code.
- */
-int dsi_display_unprepare(struct dsi_display *display);
-
-int dsi_display_set_tpg_state(struct dsi_display *display, bool enable);
-
-int dsi_display_clock_gate(struct dsi_display *display, bool enable);
-int dsi_dispaly_static_frame(struct dsi_display *display, bool enable);
-
-/**
- * dsi_display_enable_event() - enable interrupt based connector event
- * @display: Handle to display.
- * @event_idx: Event index.
- * @event_info: Event callback definition.
- * @enable: Whether to enable/disable the event interrupt.
- */
-void dsi_display_enable_event(struct dsi_display *display,
- uint32_t event_idx, struct dsi_event_cb_info *event_info,
- bool enable);
-
-int dsi_display_set_backlight(void *display, u32 bl_lvl);
-
-/**
- * dsi_display_soft_reset() - perform a soft reset on DSI controller
- * @display: Handle to display
- *
- * The video, command and controller engines will be disabled before the
- * reset is triggered. After, the engines will be re-enabled to the same state
- * as before the reset.
- *
- * If the reset is done while MDP timing engine is turned on, the video
- * engine should be re-enabled only during the vertical blanking time.
- *
- * Return: error code
- */
-int dsi_display_soft_reset(void *display);
-
-/**
- * dsi_display_set_power - update power/dpms setting
- * @connector: Pointer to drm connector structure
- * @power_mode: One of the following,
- * DPU_MODE_DPMS_ON
- * DPU_MODE_DPMS_LP1
- * DPU_MODE_DPMS_LP2
- * DPU_MODE_DPMS_STANDBY
- * DPU_MODE_DPMS_SUSPEND
- * DPU_MODE_DPMS_OFF
- * @display: Pointer to private display structure
- * Returns: Zero on success
- */
-int dsi_display_set_power(struct drm_connector *connector,
- int power_mode, void *display);
-
-/*
- * dsi_display_pre_kickoff - program kickoff-time features
- * @display: Pointer to private display structure
- * Returns: Zero on success
- */
-int dsi_display_pre_kickoff(struct dsi_display *display);
-
-/**
- * dsi_display_get_dst_format() - get dst_format from DSI display
- * @display: Handle to display
- *
- * Return: enum dsi_pixel_format type
- */
-enum dsi_pixel_format dsi_display_get_dst_format(void *display);
-
-#else
-
-static inline int dsi_display_get_num_of_displays(void) { return 0; }
-static inline int dsi_display_get_active_displays(void **display_array, u32 max_display_count) { return 0; }
-static inline int dsi_display_drm_bridge_init(struct dsi_display *display,
- struct drm_encoder *enc)
-{
- return -EINVAL;
-}
-static inline int dsi_display_drm_bridge_deinit(struct dsi_display *display) { return 0; }
-static inline int dsi_display_get_info(struct msm_display_info *info, void *disp)
-{
- return -EINVAL;
-}
-
-#endif
-
-#endif /* _DSI_DISPLAY_H_ */
deleted file mode 100644
@@ -1,114 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/delay.h>
-#include <linux/slab.h>
-
-#include "dsi_display_test.h"
-
-static void dsi_display_test_dump_modes(struct dsi_display_mode *mode, u32
- count)
-{
-}
-
-static void dsi_display_test_work(struct work_struct *work)
-{
- struct dsi_display_test *test;
- struct dsi_display *display;
- struct dsi_display_mode *modes;
- u32 count = 0;
- u32 size = 0;
- int rc = 0;
-
- test = container_of(work, struct dsi_display_test, test_work);
-
- display = test->display;
- rc = dsi_display_get_mode_count(display, &count);
- if (rc) {
- pr_err("failed to get modes count, rc=%d\n", rc);
- goto test_fail;
- }
-
- size = count * sizeof(*modes);
- modes = kzalloc(size, GFP_KERNEL);
- if (!modes) {
- rc = -ENOMEM;
- goto test_fail;
- }
-
- rc = dsi_display_get_modes(display, modes);
- if (rc) {
- pr_err("failed to get modes, rc=%d\n", rc);
- goto test_fail_free_modes;
- }
-
- dsi_display_test_dump_modes(modes, count);
-
- rc = dsi_display_set_mode(display, &modes[0], 0x0);
- if (rc) {
- pr_err("failed to set mode, rc=%d\n", rc);
- goto test_fail_free_modes;
- }
-
- rc = dsi_display_prepare(display);
- if (rc) {
- pr_err("failed to prepare display, rc=%d\n", rc);
- goto test_fail_free_modes;
- }
-
- rc = dsi_display_enable(display);
- if (rc) {
- pr_err("failed to enable display, rc=%d\n", rc);
- goto test_fail_unprep_disp;
- }
- return;
-
-test_fail_unprep_disp:
- if (rc) {
- pr_err("failed to unprep display, rc=%d\n", rc);
- goto test_fail_free_modes;
- }
-
-test_fail_free_modes:
- kfree(modes);
-test_fail:
- return;
-}
-
-int dsi_display_test_init(struct dsi_display *display)
-{
- static int done;
- int rc = 0;
- struct dsi_display_test *test;
-
- if (done)
- return rc;
-
- done = 1;
- if (!display) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- test = kzalloc(sizeof(*test), GFP_KERNEL);
- if (!test)
- return -ENOMEM;
-
- test->display = display;
- INIT_WORK(&test->test_work, dsi_display_test_work);
-
- dsi_display_test_work(&test->test_work);
- return rc;
-}
-
deleted file mode 100644
@@ -1,31 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _DSI_DISPLAY_TEST_H_
-#define _DSI_DISPLAY_TEST_H_
-
-#include "dsi_display.h"
-#include "dsi_ctrl_hw.h"
-#include "dsi_ctrl.h"
-
-struct dsi_display_test {
- struct dsi_display *display;
-
- struct work_struct test_work;
-};
-
-int dsi_display_test_init(struct dsi_display *display);
-
-
-#endif /* _DSI_DISPLAY_TEST_H_ */
deleted file mode 100644
@@ -1,688 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-
-#define pr_fmt(fmt) "dsi-drm:[%s] " fmt, __func__
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_atomic.h>
-
-#include "msm_kms.h"
-#include "dpu_connector.h"
-#include "dsi_drm.h"
-#include "dpu_trace.h"
-
-#define to_dsi_bridge(x) container_of((x), struct dsi_bridge, base)
-#define to_dsi_state(x) container_of((x), struct dsi_connector_state, base)
-
-static void convert_to_dsi_mode(const struct drm_display_mode *drm_mode,
- struct dsi_display_mode *dsi_mode)
-{
- memset(dsi_mode, 0, sizeof(*dsi_mode));
-
- dsi_mode->timing.h_active = drm_mode->hdisplay;
- dsi_mode->timing.h_back_porch = drm_mode->htotal - drm_mode->hsync_end;
- dsi_mode->timing.h_sync_width = drm_mode->htotal -
- (drm_mode->hsync_start + dsi_mode->timing.h_back_porch);
- dsi_mode->timing.h_front_porch = drm_mode->hsync_start -
- drm_mode->hdisplay;
- dsi_mode->timing.h_skew = drm_mode->hskew;
-
- dsi_mode->timing.v_active = drm_mode->vdisplay;
- dsi_mode->timing.v_back_porch = drm_mode->vtotal - drm_mode->vsync_end;
- dsi_mode->timing.v_sync_width = drm_mode->vtotal -
- (drm_mode->vsync_start + dsi_mode->timing.v_back_porch);
-
- dsi_mode->timing.v_front_porch = drm_mode->vsync_start -
- drm_mode->vdisplay;
-
- dsi_mode->timing.refresh_rate = drm_mode->vrefresh;
-
- dsi_mode->pixel_clk_khz = drm_mode->clock;
-
- dsi_mode->priv_info =
- (struct dsi_display_mode_priv_info *)drm_mode->private;
-
- if (msm_is_mode_seamless(drm_mode))
- dsi_mode->dsi_mode_flags |= DSI_MODE_FLAG_SEAMLESS;
- if (msm_is_mode_dynamic_fps(drm_mode))
- dsi_mode->dsi_mode_flags |= DSI_MODE_FLAG_DFPS;
- if (msm_needs_vblank_pre_modeset(drm_mode))
- dsi_mode->dsi_mode_flags |= DSI_MODE_FLAG_VBLANK_PRE_MODESET;
- if (msm_is_mode_seamless_dms(drm_mode))
- dsi_mode->dsi_mode_flags |= DSI_MODE_FLAG_DMS;
- if (msm_is_mode_seamless_vrr(drm_mode))
- dsi_mode->dsi_mode_flags |= DSI_MODE_FLAG_VRR;
-}
-
-static void convert_to_drm_mode(const struct dsi_display_mode *dsi_mode,
- struct drm_display_mode *drm_mode)
-{
- memset(drm_mode, 0, sizeof(*drm_mode));
-
- drm_mode->hdisplay = dsi_mode->timing.h_active;
- drm_mode->hsync_start = drm_mode->hdisplay +
- dsi_mode->timing.h_front_porch;
- drm_mode->hsync_end = drm_mode->hsync_start +
- dsi_mode->timing.h_sync_width;
- drm_mode->htotal = drm_mode->hsync_end + dsi_mode->timing.h_back_porch;
- drm_mode->hskew = dsi_mode->timing.h_skew;
-
- drm_mode->vdisplay = dsi_mode->timing.v_active;
- drm_mode->vsync_start = drm_mode->vdisplay +
- dsi_mode->timing.v_front_porch;
- drm_mode->vsync_end = drm_mode->vsync_start +
- dsi_mode->timing.v_sync_width;
- drm_mode->vtotal = drm_mode->vsync_end + dsi_mode->timing.v_back_porch;
-
- drm_mode->vrefresh = dsi_mode->timing.refresh_rate;
- drm_mode->clock = dsi_mode->pixel_clk_khz;
-
- drm_mode->private = (int *)dsi_mode->priv_info;
-
- if (dsi_mode->dsi_mode_flags & DSI_MODE_FLAG_SEAMLESS)
- drm_mode->flags |= DRM_MODE_FLAG_SEAMLESS;
- if (dsi_mode->dsi_mode_flags & DSI_MODE_FLAG_DFPS)
- drm_mode->private_flags |= MSM_MODE_FLAG_SEAMLESS_DYNAMIC_FPS;
- if (dsi_mode->dsi_mode_flags & DSI_MODE_FLAG_VBLANK_PRE_MODESET)
- drm_mode->private_flags |= MSM_MODE_FLAG_VBLANK_PRE_MODESET;
- if (dsi_mode->dsi_mode_flags & DSI_MODE_FLAG_DMS)
- drm_mode->private_flags |= MSM_MODE_FLAG_SEAMLESS_DMS;
- if (dsi_mode->dsi_mode_flags & DSI_MODE_FLAG_VRR)
- drm_mode->private_flags |= MSM_MODE_FLAG_SEAMLESS_VRR;
-
- drm_mode_set_name(drm_mode);
-}
-
-static int dsi_bridge_attach(struct drm_bridge *bridge)
-{
- struct dsi_bridge *c_bridge = to_dsi_bridge(bridge);
-
- if (!bridge) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- pr_debug("[%d] attached\n", c_bridge->id);
-
- return 0;
-
-}
-
-static void dsi_bridge_pre_enable(struct drm_bridge *bridge)
-{
- int rc = 0;
- struct dsi_bridge *c_bridge = to_dsi_bridge(bridge);
-
- if (!bridge) {
- pr_err("Invalid params\n");
- return;
- }
-
- /* By this point mode should have been validated through mode_fixup */
- rc = dsi_display_set_mode(c_bridge->display,
- &(c_bridge->dsi_mode), 0x0);
- if (rc) {
- pr_err("[%d] failed to perform a mode set, rc=%d\n",
- c_bridge->id, rc);
- return;
- }
-
- if (c_bridge->dsi_mode.dsi_mode_flags &
- (DSI_MODE_FLAG_SEAMLESS | DSI_MODE_FLAG_VRR)) {
- pr_debug("[%d] seamless pre-enable\n", c_bridge->id);
- return;
- }
-
- DPU_ATRACE_BEGIN("dsi_bridge_pre_enable");
- rc = dsi_display_prepare(c_bridge->display);
- if (rc) {
- pr_err("[%d] DSI display prepare failed, rc=%d\n",
- c_bridge->id, rc);
- DPU_ATRACE_END("dsi_bridge_pre_enable");
- return;
- }
-
- DPU_ATRACE_BEGIN("dsi_display_enable");
- rc = dsi_display_enable(c_bridge->display);
- if (rc) {
- pr_err("[%d] DSI display enable failed, rc=%d\n",
- c_bridge->id, rc);
- (void)dsi_display_unprepare(c_bridge->display);
- }
- DPU_ATRACE_END("dsi_display_enable");
- DPU_ATRACE_END("dsi_bridge_pre_enable");
-}
-
-static void dsi_bridge_enable(struct drm_bridge *bridge)
-{
- int rc = 0;
- struct dsi_bridge *c_bridge = to_dsi_bridge(bridge);
-
- if (!bridge) {
- pr_err("Invalid params\n");
- return;
- }
-
- if (c_bridge->dsi_mode.dsi_mode_flags &
- (DSI_MODE_FLAG_SEAMLESS | DSI_MODE_FLAG_VRR)) {
- pr_debug("[%d] seamless enable\n", c_bridge->id);
- return;
- }
-
- rc = dsi_display_post_enable(c_bridge->display);
- if (rc)
- pr_err("[%d] DSI display post enabled failed, rc=%d\n",
- c_bridge->id, rc);
-}
-
-static void dsi_bridge_disable(struct drm_bridge *bridge)
-{
- int rc = 0;
- struct dsi_bridge *c_bridge = to_dsi_bridge(bridge);
-
- if (!bridge) {
- pr_err("Invalid params\n");
- return;
- }
-
- rc = dsi_display_pre_disable(c_bridge->display);
- if (rc) {
- pr_err("[%d] DSI display pre disable failed, rc=%d\n",
- c_bridge->id, rc);
- }
-}
-
-static void dsi_bridge_post_disable(struct drm_bridge *bridge)
-{
- int rc = 0;
- struct dsi_bridge *c_bridge = to_dsi_bridge(bridge);
-
- if (!bridge) {
- pr_err("Invalid params\n");
- return;
- }
-
- DPU_ATRACE_BEGIN("dsi_bridge_post_disable");
- DPU_ATRACE_BEGIN("dsi_display_disable");
- rc = dsi_display_disable(c_bridge->display);
- if (rc) {
- pr_err("[%d] DSI display disable failed, rc=%d\n",
- c_bridge->id, rc);
- DPU_ATRACE_END("dsi_display_disable");
- return;
- }
- DPU_ATRACE_END("dsi_display_disable");
-
- rc = dsi_display_unprepare(c_bridge->display);
- if (rc) {
- pr_err("[%d] DSI display unprepare failed, rc=%d\n",
- c_bridge->id, rc);
- DPU_ATRACE_END("dsi_bridge_post_disable");
- return;
- }
- DPU_ATRACE_END("dsi_bridge_post_disable");
-}
-
-static void dsi_bridge_mode_set(struct drm_bridge *bridge,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct dsi_bridge *c_bridge = to_dsi_bridge(bridge);
-
- if (!bridge || !mode || !adjusted_mode) {
- pr_err("Invalid params\n");
- return;
- }
-
- memset(&(c_bridge->dsi_mode), 0x0, sizeof(struct dsi_display_mode));
- convert_to_dsi_mode(adjusted_mode, &(c_bridge->dsi_mode));
-}
-
-static bool dsi_bridge_mode_fixup(struct drm_bridge *bridge,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- int rc = 0;
- struct dsi_bridge *c_bridge = to_dsi_bridge(bridge);
- struct dsi_display_mode dsi_mode, cur_dsi_mode;
- struct drm_display_mode cur_mode;
-
- if (!bridge || !mode || !adjusted_mode) {
- pr_err("Invalid params\n");
- return false;
- }
-
- convert_to_dsi_mode(mode, &dsi_mode);
-
- rc = dsi_display_validate_mode(c_bridge->display, &dsi_mode,
- DSI_VALIDATE_FLAG_ALLOW_ADJUST);
- if (rc) {
- pr_err("[%d] mode is not valid, rc=%d\n", c_bridge->id, rc);
- return false;
- }
-
- if (bridge->encoder && bridge->encoder->crtc) {
-
- convert_to_dsi_mode(&bridge->encoder->crtc->mode,
- &cur_dsi_mode);
- rc = dsi_display_validate_mode_vrr(c_bridge->display,
- &cur_dsi_mode, &dsi_mode);
- if (rc)
- pr_debug("[%s] vrr mode mismatch failure rc=%d\n",
- c_bridge->display->name, rc);
-
- cur_mode = bridge->encoder->crtc->mode;
-
- if (!drm_mode_equal(&cur_mode, adjusted_mode) &&
- (!(dsi_mode.dsi_mode_flags &
- DSI_MODE_FLAG_VRR)))
- dsi_mode.dsi_mode_flags |= DSI_MODE_FLAG_DMS;
- }
-
- convert_to_drm_mode(&dsi_mode, adjusted_mode);
-
- return true;
-}
-
-int dsi_conn_get_mode_info(const struct drm_display_mode *drm_mode,
- struct msm_mode_info *mode_info,
- u32 max_mixer_width)
-{
- struct dsi_display_mode dsi_mode;
- struct dsi_mode_info *timing;
-
- if (!drm_mode || !mode_info)
- return -EINVAL;
-
- convert_to_dsi_mode(drm_mode, &dsi_mode);
-
- if (!dsi_mode.priv_info)
- return -EINVAL;
-
- memset(mode_info, 0, sizeof(*mode_info));
-
- timing = &dsi_mode.timing;
- mode_info->frame_rate = dsi_mode.timing.refresh_rate;
- mode_info->vtotal = DSI_V_TOTAL(timing);
- mode_info->prefill_lines = dsi_mode.priv_info->panel_prefill_lines;
- mode_info->jitter_numer = dsi_mode.priv_info->panel_jitter_numer;
- mode_info->jitter_denom = dsi_mode.priv_info->panel_jitter_denom;
-
- memcpy(&mode_info->topology, &dsi_mode.priv_info->topology,
- sizeof(struct msm_display_topology));
-
- mode_info->comp_info.comp_type = MSM_DISPLAY_COMPRESSION_NONE;
- if (dsi_mode.priv_info->dsc_enabled) {
- mode_info->comp_info.comp_type = MSM_DISPLAY_COMPRESSION_DSC;
- memcpy(&mode_info->comp_info.dsc_info, &dsi_mode.priv_info->dsc,
- sizeof(dsi_mode.priv_info->dsc));
- }
-
- return 0;
-}
-
-static const struct drm_bridge_funcs dsi_bridge_ops = {
- .attach = dsi_bridge_attach,
- .mode_fixup = dsi_bridge_mode_fixup,
- .pre_enable = dsi_bridge_pre_enable,
- .enable = dsi_bridge_enable,
- .disable = dsi_bridge_disable,
- .post_disable = dsi_bridge_post_disable,
- .mode_set = dsi_bridge_mode_set,
-};
-
-int dsi_conn_post_init(struct drm_connector *connector,
- void *info,
- void *display)
-{
- struct dsi_display *dsi_display = display;
- struct dsi_panel *panel;
-
- if (!info || !dsi_display)
- return -EINVAL;
-
- dpu_kms_info_add_keystr(info,
- "display type", dsi_display->display_type);
-
- switch (dsi_display->type) {
- case DSI_DISPLAY_SINGLE:
- dpu_kms_info_add_keystr(info, "display config",
- "single display");
- break;
- case DSI_DISPLAY_EXT_BRIDGE:
- dpu_kms_info_add_keystr(info, "display config", "ext bridge");
- break;
- case DSI_DISPLAY_SPLIT:
- dpu_kms_info_add_keystr(info, "display config",
- "split display");
- break;
- case DSI_DISPLAY_SPLIT_EXT_BRIDGE:
- dpu_kms_info_add_keystr(info, "display config",
- "split ext bridge");
- break;
- default:
- pr_debug("invalid display type:%d\n", dsi_display->type);
- break;
- }
-
- if (!dsi_display->panel) {
- pr_debug("invalid panel data\n");
- goto end;
- }
-
- panel = dsi_display->panel;
- dpu_kms_info_add_keystr(info, "panel name", panel->name);
-
- switch (panel->panel_mode) {
- case DSI_OP_VIDEO_MODE:
- dpu_kms_info_add_keystr(info, "panel mode", "video");
- break;
- case DSI_OP_CMD_MODE:
- dpu_kms_info_add_keystr(info, "panel mode", "command");
- dpu_kms_info_add_keyint(info, "mdp_transfer_time_us",
- panel->cmd_config.mdp_transfer_time_us);
- break;
- default:
- pr_debug("invalid panel type:%d\n", panel->panel_mode);
- break;
- }
- dpu_kms_info_add_keystr(info, "dfps support",
- panel->dfps_caps.dfps_support ? "true" : "false");
-
- if (panel->dfps_caps.dfps_support) {
- dpu_kms_info_add_keyint(info, "min_fps",
- panel->dfps_caps.min_refresh_rate);
- dpu_kms_info_add_keyint(info, "max_fps",
- panel->dfps_caps.max_refresh_rate);
- }
-
- switch (panel->phy_props.rotation) {
- case DSI_PANEL_ROTATE_NONE:
- dpu_kms_info_add_keystr(info, "panel orientation", "none");
- break;
- case DSI_PANEL_ROTATE_H_FLIP:
- dpu_kms_info_add_keystr(info, "panel orientation", "horz flip");
- break;
- case DSI_PANEL_ROTATE_V_FLIP:
- dpu_kms_info_add_keystr(info, "panel orientation", "vert flip");
- break;
- case DSI_PANEL_ROTATE_HV_FLIP:
- dpu_kms_info_add_keystr(info, "panel orientation",
- "horz & vert flip");
- break;
- default:
- pr_debug("invalid panel rotation:%d\n",
- panel->phy_props.rotation);
- break;
- }
-
- switch (panel->bl_config.type) {
- case DSI_BACKLIGHT_PWM:
- dpu_kms_info_add_keystr(info, "backlight type", "pwm");
- break;
- case DSI_BACKLIGHT_WLED:
- dpu_kms_info_add_keystr(info, "backlight type", "wled");
- break;
- case DSI_BACKLIGHT_DCS:
- dpu_kms_info_add_keystr(info, "backlight type", "dcs");
- break;
- default:
- pr_debug("invalid panel backlight type:%d\n",
- panel->bl_config.type);
- break;
- }
-
-end:
- return 0;
-}
-
-enum drm_connector_status dsi_conn_detect(struct drm_connector *conn,
- bool force,
- void *display)
-{
- enum drm_connector_status status = connector_status_unknown;
- struct msm_display_info info;
- int rc;
-
- if (!conn || !display)
- return status;
-
- /* get display dsi_info */
- memset(&info, 0x0, sizeof(info));
- rc = dsi_display_get_info(&info, display);
- if (rc) {
- pr_err("failed to get display info, rc=%d\n", rc);
- return connector_status_disconnected;
- }
-
- if (info.capabilities & MSM_DISPLAY_CAP_HOT_PLUG)
- status = (info.is_connected ? connector_status_connected :
- connector_status_disconnected);
- else
- status = connector_status_connected;
-
- conn->display_info.width_mm = info.width_mm;
- conn->display_info.height_mm = info.height_mm;
-
- return status;
-}
-
-void dsi_connector_put_modes(struct drm_connector *connector,
- void *display)
-{
- struct drm_display_mode *drm_mode;
- struct dsi_display_mode dsi_mode;
-
- if (!connector || !display)
- return;
-
- list_for_each_entry(drm_mode, &connector->modes, head) {
- convert_to_dsi_mode(drm_mode, &dsi_mode);
- dsi_display_put_mode(display, &dsi_mode);
- }
-}
-
-int dsi_connector_get_modes(struct drm_connector *connector,
- void *display)
-{
- u32 count = 0;
- u32 size = 0;
- struct dsi_display_mode *modes = NULL;
- struct drm_display_mode drm_mode;
- int rc, i;
-
- if (dpu_connector_get_panel(connector)) {
- /*
- * TODO: If drm_panel is attached, query modes from the panel.
- * This is complicated in split dsi cases because panel is not
- * attached to both connectors.
- */
- goto end;
- }
- rc = dsi_display_get_mode_count(display, &count);
- if (rc) {
- pr_err("failed to get num of modes, rc=%d\n", rc);
- goto error;
- }
-
- size = count * sizeof(*modes);
- modes = kzalloc(size, GFP_KERNEL);
- if (!modes) {
- count = 0;
- goto end;
- }
-
- rc = dsi_display_get_modes(display, modes);
- if (rc) {
- pr_err("failed to get modes, rc=%d\n", rc);
- count = 0;
- goto error;
- }
-
- for (i = 0; i < count; i++) {
- struct drm_display_mode *m;
-
- memset(&drm_mode, 0x0, sizeof(drm_mode));
- convert_to_drm_mode(&modes[i], &drm_mode);
- m = drm_mode_duplicate(connector->dev, &drm_mode);
- if (!m) {
- pr_err("failed to add mode %ux%u\n",
- drm_mode.hdisplay,
- drm_mode.vdisplay);
- count = -ENOMEM;
- goto error;
- }
- m->width_mm = connector->display_info.width_mm;
- m->height_mm = connector->display_info.height_mm;
- drm_mode_probed_add(connector, m);
- }
-error:
- kfree(modes);
-end:
- pr_debug("MODE COUNT =%d\n\n", count);
- return count;
-}
-
-enum drm_mode_status dsi_conn_mode_valid(struct drm_connector *connector,
- struct drm_display_mode *mode,
- void *display)
-{
- struct dsi_display_mode dsi_mode;
- int rc;
-
- if (!connector || !mode) {
- pr_err("Invalid params\n");
- return MODE_ERROR;
- }
-
- convert_to_dsi_mode(mode, &dsi_mode);
-
- rc = dsi_display_validate_mode(display, &dsi_mode,
- DSI_VALIDATE_FLAG_ALLOW_ADJUST);
- if (rc) {
- pr_err("mode not supported, rc=%d\n", rc);
- return MODE_BAD;
- }
-
- return MODE_OK;
-}
-
-int dsi_conn_pre_kickoff(struct drm_connector *connector,
- void *display)
-{
- if (!connector || !display) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- return dsi_display_pre_kickoff(display);
-}
-
-void dsi_conn_enable_event(struct drm_connector *connector,
- uint32_t event_idx, bool enable, void *display)
-{
- struct dsi_event_cb_info event_info;
-
- memset(&event_info, 0, sizeof(event_info));
-
- event_info.event_cb = dpu_connector_trigger_event;
- event_info.event_usr_ptr = connector;
-
- dsi_display_enable_event(display, event_idx, &event_info, enable);
-}
-
-int dsi_conn_post_kickoff(struct drm_connector *connector)
-{
- struct drm_encoder *encoder;
- struct dsi_bridge *c_bridge;
- struct dsi_display_mode adj_mode;
- struct dsi_display *display;
- struct dsi_display_ctrl *m_ctrl, *ctrl;
- int i, rc = 0;
-
- if (!connector || !connector->state->best_encoder)
- return -EINVAL;
-
- encoder = connector->state->best_encoder;
- c_bridge = to_dsi_bridge(encoder->bridge);
- adj_mode = c_bridge->dsi_mode;
- display = c_bridge->display;
-
- if (adj_mode.dsi_mode_flags & DSI_MODE_FLAG_VRR) {
- m_ctrl = &display->ctrl[display->clk_master_idx];
- rc = dsi_ctrl_timing_db_update(m_ctrl->ctrl, false);
- if (rc) {
- pr_err("[%s] failed to dfps update rc=%d\n",
- display->name, rc);
- return -EINVAL;
- }
-
- /* Update the rest of the controllers */
- for (i = 0; i < display->ctrl_count; i++) {
- ctrl = &display->ctrl[i];
- if (!ctrl->ctrl || (ctrl == m_ctrl))
- continue;
-
- rc = dsi_ctrl_timing_db_update(ctrl->ctrl, false);
- if (rc) {
- pr_err("[%s] failed to dfps update rc=%d\n",
- display->name, rc);
- return -EINVAL;
- }
- }
-
- c_bridge->dsi_mode.dsi_mode_flags &= ~DSI_MODE_FLAG_VRR;
- }
-
- return 0;
-}
-
-struct dsi_bridge *dsi_drm_bridge_init(struct dsi_display *display,
- struct drm_device *dev,
- struct drm_encoder *encoder)
-{
- int rc = 0;
- struct dsi_bridge *bridge;
-
- bridge = kzalloc(sizeof(*bridge), GFP_KERNEL);
- if (!bridge) {
- rc = -ENOMEM;
- goto error;
- }
-
- bridge->display = display;
- bridge->base.funcs = &dsi_bridge_ops;
- bridge->base.encoder = encoder;
-
- rc = drm_bridge_attach(encoder, &bridge->base, NULL);
- if (rc) {
- pr_err("failed to attach bridge, rc=%d\n", rc);
- goto error_free_bridge;
- }
-
- encoder->bridge = &bridge->base;
- return bridge;
-error_free_bridge:
- kfree(bridge);
-error:
- return ERR_PTR(rc);
-}
-
-void dsi_drm_bridge_cleanup(struct dsi_bridge *bridge)
-{
- if (bridge && bridge->base.encoder)
- bridge->base.encoder->bridge = NULL;
-
- kfree(bridge);
-}
deleted file mode 100644
@@ -1,127 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _DSI_DRM_H_
-#define _DSI_DRM_H_
-
-#include <linux/types.h>
-#include <drm/drmP.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-
-#include "msm_drv.h"
-
-#include "dsi_display.h"
-
-struct dsi_bridge {
- struct drm_bridge base;
- u32 id;
-
- struct dsi_display *display;
- struct dsi_display_mode dsi_mode;
-};
-
-/**
- * dsi_conn_post_init - callback to perform additional initialization steps
- * @connector: Pointer to drm connector structure
- * @info: Pointer to dpu connector info structure
- * @display: Pointer to private display handle
- * Returns: Zero on success
- */
-int dsi_conn_post_init(struct drm_connector *connector,
- void *info,
- void *display);
-
-/**
- * dsi_conn_detect - callback to determine if connector is connected
- * @connector: Pointer to drm connector structure
- * @force: Force detect setting from drm framework
- * @display: Pointer to private display handle
- * Returns: Connector 'is connected' status
- */
-enum drm_connector_status dsi_conn_detect(struct drm_connector *conn,
- bool force,
- void *display);
-
-/**
- * dsi_connector_get_modes - callback to add drm modes via drm_mode_probed_add()
- * @connector: Pointer to drm connector structure
- * @display: Pointer to private display handle
- * Returns: Number of modes added
- */
-int dsi_connector_get_modes(struct drm_connector *connector,
- void *display);
-
-/**
- * dsi_connector_put_modes - callback to free up drm modes of the connector
- * @connector: Pointer to drm connector structure
- * @display: Pointer to private display handle
- */
-void dsi_connector_put_modes(struct drm_connector *connector,
- void *display);
-
-/**
- * dsi_conn_get_mode_info - retrieve information on the mode selected
- * @drm_mode: Display mode set for the display
- * @mode_info: Out parameter. information of the mode.
- * @max_mixer_width: max width supported by HW layer mixer
- * Returns: Zero on success
- */
-int dsi_conn_get_mode_info(const struct drm_display_mode *drm_mode,
- struct msm_mode_info *mode_info, u32 max_mixer_width);
-
-/**
- * dsi_conn_mode_valid - callback to determine if specified mode is valid
- * @connector: Pointer to drm connector structure
- * @mode: Pointer to drm mode structure
- * @display: Pointer to private display handle
- * Returns: Validity status for specified mode
- */
-enum drm_mode_status dsi_conn_mode_valid(struct drm_connector *connector,
- struct drm_display_mode *mode,
- void *display);
-
-/**
- * dsi_conn_enable_event - callback to notify DSI driver of event registeration
- * @connector: Pointer to drm connector structure
- * @event_idx: Connector event index
- * @enable: Whether or not the event is enabled
- * @display: Pointer to private display handle
- */
-void dsi_conn_enable_event(struct drm_connector *connector,
- uint32_t event_idx, bool enable, void *display);
-
-struct dsi_bridge *dsi_drm_bridge_init(struct dsi_display *display,
- struct drm_device *dev,
- struct drm_encoder *encoder);
-
-void dsi_drm_bridge_cleanup(struct dsi_bridge *bridge);
-
-/**
- * dsi_display_pre_kickoff - program kickoff-time features
- * @connector: Pointer to drm connector structure
- * @display: Pointer to private display structure
- * Returns: Zero on success
- */
-int dsi_conn_pre_kickoff(struct drm_connector *connector,
- void *display);
-
-/**
- * dsi_display_post_kickoff - program post kickoff-time features
- * @connector: Pointer to drm connector structure
- * Returns: Zero on success
- */
-int dsi_conn_post_kickoff(struct drm_connector *connector);
-
-#endif /* _DSI_DRM_H_ */
deleted file mode 100644
@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _DSI_HW_H_
-#define _DSI_HW_H_
-#include <linux/io.h>
-
-#define DSI_R32(dsi_hw, off) readl_relaxed((dsi_hw)->base + (off))
-#define DSI_W32(dsi_hw, off, val) \
- do {\
- pr_debug("[DSI_%d][%s] - [0x%08x]\n", \
- (dsi_hw)->index, #off, (uint32_t)(val)); \
- writel_relaxed((val), (dsi_hw)->base + (off)); \
- } while (0)
-
-#define DSI_MMSS_MISC_R32(dsi_hw, off) \
- readl_relaxed((dsi_hw)->mmss_misc_base + (off))
-#define DSI_MMSS_MISC_W32(dsi_hw, off, val) \
- do {\
- pr_debug("[DSI_%d][%s] - [0x%08x]\n", \
- (dsi_hw)->index, #off, val); \
- writel_relaxed((val), (dsi_hw)->mmss_misc_base + (off)); \
- } while (0)
-
-#define DSI_DISP_CC_R32(dsi_hw, off) \
- readl_relaxed((dsi_hw)->disp_cc_base + (off))
-#define DSI_DISP_CC_W32(dsi_hw, off, val) \
- do {\
- pr_debug("[DSI_%d][%s] - [0x%08x]\n", \
- (dsi_hw)->index, #off, val); \
- writel_relaxed((val), (dsi_hw)->disp_cc_base + (off)); \
- } while (0)
-
-#define DSI_R64(dsi_hw, off) readq_relaxed((dsi_hw)->base + (off))
-#define DSI_W64(dsi_hw, off, val) writeq_relaxed((val), (dsi_hw)->base + (off))
-
-#endif /* _DSI_HW_H_ */
deleted file mode 100644
@@ -1,3321 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#define pr_fmt(fmt) "msm-dsi-panel:[%s:%d] " fmt, __func__, __LINE__
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
-#include <video/mipi_display.h>
-
-#include "dsi_panel.h"
-#include "dsi_ctrl_hw.h"
-
-/**
- * topology is currently defined by a set of following 3 values:
- * 1. num of layer mixers
- * 2. num of compression encoders
- * 3. num of interfaces
- */
-#define TOPOLOGY_SET_LEN 3
-#define MAX_TOPOLOGY 5
-
-#define DSI_PANEL_DEFAULT_LABEL "Default dsi panel"
-
-#define DEFAULT_MDP_TRANSFER_TIME 14000
-
-#define DEFAULT_PANEL_JITTER_NUMERATOR 2
-#define DEFAULT_PANEL_JITTER_DENOMINATOR 1
-#define DEFAULT_PANEL_JITTER_ARRAY_SIZE 2
-#define MAX_PANEL_JITTER 10
-#define DEFAULT_PANEL_PREFILL_LINES 25
-
-enum dsi_dsc_ratio_type {
- DSC_8BPC_8BPP,
- DSC_10BPC_8BPP,
- DSC_12BPC_8BPP,
- DSC_RATIO_TYPE_MAX
-};
-
-static u32 dsi_dsc_rc_buf_thresh[] = {0x0e, 0x1c, 0x2a, 0x38, 0x46, 0x54,
- 0x62, 0x69, 0x70, 0x77, 0x79, 0x7b, 0x7d, 0x7e};
-
-/*
- * DSC 1.1
- * Rate control - Min QP values for each ratio type in dsi_dsc_ratio_type
- */
-static char dsi_dsc_rc_range_min_qp_1_1[][15] = {
- {0, 0, 1, 1, 3, 3, 3, 3, 3, 3, 5, 5, 5, 7, 13},
- {0, 4, 5, 5, 7, 7, 7, 7, 7, 7, 9, 9, 9, 11, 17},
- {0, 4, 9, 9, 11, 11, 11, 11, 11, 11, 13, 13, 13, 15, 21},
- };
-
-/*
- * DSC 1.1 SCR
- * Rate control - Min QP values for each ratio type in dsi_dsc_ratio_type
- */
-static char dsi_dsc_rc_range_min_qp_1_1_scr1[][15] = {
- {0, 0, 1, 1, 3, 3, 3, 3, 3, 3, 5, 5, 5, 9, 12},
- {0, 4, 5, 5, 7, 7, 7, 7, 7, 7, 9, 9, 9, 13, 16},
- {0, 4, 9, 9, 11, 11, 11, 11, 11, 11, 13, 13, 13, 17, 20},
- };
-
-/*
- * DSC 1.1
- * Rate control - Max QP values for each ratio type in dsi_dsc_ratio_type
- */
-static char dsi_dsc_rc_range_max_qp_1_1[][15] = {
- {4, 4, 5, 6, 7, 7, 7, 8, 9, 10, 11, 12, 13, 13, 15},
- {8, 8, 9, 10, 11, 11, 11, 12, 13, 14, 15, 16, 17, 17, 19},
- {12, 12, 13, 14, 15, 15, 15, 16, 17, 18, 19, 20, 21, 21, 23},
- };
-
-/*
- * DSC 1.1 SCR
- * Rate control - Max QP values for each ratio type in dsi_dsc_ratio_type
- */
-static char dsi_dsc_rc_range_max_qp_1_1_scr1[][15] = {
- {4, 4, 5, 6, 7, 7, 7, 8, 9, 10, 10, 11, 11, 12, 13},
- {8, 8, 9, 10, 11, 11, 11, 12, 13, 14, 14, 15, 15, 16, 17},
- {12, 12, 13, 14, 15, 15, 15, 16, 17, 18, 18, 19, 19, 20, 21},
- };
-
-/*
- * DSC 1.1 and DSC 1.1 SCR
- * Rate control - bpg offset values
- */
-static char dsi_dsc_rc_range_bpg_offset[] = {2, 0, 0, -2, -4, -6, -8, -8,
- -8, -10, -10, -12, -12, -12, -12};
-
-int dsi_dsc_create_pps_buf_cmd(struct msm_display_dsc_info *dsc, char *buf,
- int pps_id)
-{
- char *bp;
- char data;
- int i, bpp;
- char *dbgbp;
-
- dbgbp = buf;
- bp = buf;
- /* First 7 bytes are cmd header */
- *bp++ = 0x0A;
- *bp++ = 1;
- *bp++ = 0;
- *bp++ = 0;
- *bp++ = 10;
- *bp++ = 0;
- *bp++ = 128;
-
- *bp++ = (dsc->version & 0xff); /* pps0 */
- *bp++ = (pps_id & 0xff); /* pps1 */
- bp++; /* pps2, reserved */
-
- data = dsc->line_buf_depth & 0x0f;
- data |= ((dsc->bpc & 0xf) << 4);
- *bp++ = data; /* pps3 */
-
- bpp = dsc->bpp;
- bpp <<= 4; /* 4 fraction bits */
- data = (bpp >> 8);
- data &= 0x03; /* upper two bits */
- data |= ((dsc->block_pred_enable & 0x1) << 5);
- data |= ((dsc->convert_rgb & 0x1) << 4);
- data |= ((dsc->enable_422 & 0x1) << 3);
- data |= ((dsc->vbr_enable & 0x1) << 2);
- *bp++ = data; /* pps4 */
- *bp++ = (bpp & 0xff); /* pps5 */
-
- *bp++ = ((dsc->pic_height >> 8) & 0xff); /* pps6 */
- *bp++ = (dsc->pic_height & 0x0ff); /* pps7 */
- *bp++ = ((dsc->pic_width >> 8) & 0xff); /* pps8 */
- *bp++ = (dsc->pic_width & 0x0ff); /* pps9 */
-
- *bp++ = ((dsc->slice_height >> 8) & 0xff);/* pps10 */
- *bp++ = (dsc->slice_height & 0x0ff); /* pps11 */
- *bp++ = ((dsc->slice_width >> 8) & 0xff); /* pps12 */
- *bp++ = (dsc->slice_width & 0x0ff); /* pps13 */
-
- *bp++ = ((dsc->chunk_size >> 8) & 0xff);/* pps14 */
- *bp++ = (dsc->chunk_size & 0x0ff); /* pps15 */
-
- *bp++ = (dsc->initial_xmit_delay >> 8) & 0x3; /* pps16, bit 0, 1 */
- *bp++ = (dsc->initial_xmit_delay & 0xff);/* pps17 */
-
- *bp++ = ((dsc->initial_dec_delay >> 8) & 0xff); /* pps18 */
- *bp++ = (dsc->initial_dec_delay & 0xff);/* pps19 */
-
- bp++; /* pps20, reserved */
-
- *bp++ = (dsc->initial_scale_value & 0x3f); /* pps21 */
-
- *bp++ = ((dsc->scale_increment_interval >> 8) & 0xff); /* pps22 */
- *bp++ = (dsc->scale_increment_interval & 0xff); /* pps23 */
-
- *bp++ = ((dsc->scale_decrement_interval >> 8) & 0xf); /* pps24 */
- *bp++ = (dsc->scale_decrement_interval & 0x0ff);/* pps25 */
-
- bp++; /* pps26, reserved */
-
- *bp++ = (dsc->first_line_bpg_offset & 0x1f);/* pps27 */
-
- *bp++ = ((dsc->nfl_bpg_offset >> 8) & 0xff);/* pps28 */
- *bp++ = (dsc->nfl_bpg_offset & 0x0ff); /* pps29 */
- *bp++ = ((dsc->slice_bpg_offset >> 8) & 0xff);/* pps30 */
- *bp++ = (dsc->slice_bpg_offset & 0x0ff);/* pps31 */
-
- *bp++ = ((dsc->initial_offset >> 8) & 0xff);/* pps32 */
- *bp++ = (dsc->initial_offset & 0x0ff); /* pps33 */
-
- *bp++ = ((dsc->final_offset >> 8) & 0xff);/* pps34 */
- *bp++ = (dsc->final_offset & 0x0ff); /* pps35 */
-
- *bp++ = (dsc->min_qp_flatness & 0x1f); /* pps36 */
- *bp++ = (dsc->max_qp_flatness & 0x1f); /* pps37 */
-
- *bp++ = ((dsc->rc_model_size >> 8) & 0xff);/* pps38 */
- *bp++ = (dsc->rc_model_size & 0x0ff); /* pps39 */
-
- *bp++ = (dsc->edge_factor & 0x0f); /* pps40 */
-
- *bp++ = (dsc->quant_incr_limit0 & 0x1f); /* pps41 */
- *bp++ = (dsc->quant_incr_limit1 & 0x1f); /* pps42 */
-
- data = ((dsc->tgt_offset_hi & 0xf) << 4);
- data |= (dsc->tgt_offset_lo & 0x0f);
- *bp++ = data; /* pps43 */
-
- for (i = 0; i < 14; i++)
- *bp++ = (dsc->buf_thresh[i] & 0xff); /* pps44 - pps57 */
-
- for (i = 0; i < 15; i++) { /* pps58 - pps87 */
- data = (dsc->range_min_qp[i] & 0x1f);
- data <<= 3;
- data |= ((dsc->range_max_qp[i] >> 2) & 0x07);
- *bp++ = data;
- data = (dsc->range_max_qp[i] & 0x03);
- data <<= 6;
- data |= (dsc->range_bpg_offset[i] & 0x3f);
- *bp++ = data;
- }
-
- return 128;
-}
-
-static int dsi_panel_vreg_get(struct dsi_panel *panel)
-{
- int rc = 0;
- int i;
- struct regulator *vreg = NULL;
-
- for (i = 0; i < panel->power_info.count; i++) {
- vreg = devm_regulator_get(panel->parent,
- panel->power_info.vregs[i].vreg_name);
- rc = PTR_RET(vreg);
- if (rc) {
- pr_err("failed to get %s regulator\n",
- panel->power_info.vregs[i].vreg_name);
- goto error_put;
- }
- panel->power_info.vregs[i].vreg = vreg;
- }
-
- return rc;
-error_put:
- for (i = i - 1; i >= 0; i--) {
- devm_regulator_put(panel->power_info.vregs[i].vreg);
- panel->power_info.vregs[i].vreg = NULL;
- }
- return -EPROBE_DEFER;
-}
-
-static int dsi_panel_vreg_put(struct dsi_panel *panel)
-{
- int rc = 0;
- int i;
-
- for (i = panel->power_info.count - 1; i >= 0; i--)
- devm_regulator_put(panel->power_info.vregs[i].vreg);
-
- return rc;
-}
-
-static int dsi_panel_gpio_request(struct dsi_panel *panel)
-{
- int rc = 0;
- struct dsi_panel_reset_config *r_config = &panel->reset_config;
-
- if (gpio_is_valid(r_config->reset_gpio)) {
- rc = gpio_request(r_config->reset_gpio, "reset_gpio");
- if (rc) {
- pr_err("request for reset_gpio failed, rc=%d\n", rc);
- goto error;
- }
- }
-
- if (gpio_is_valid(r_config->disp_en_gpio)) {
- rc = gpio_request(r_config->disp_en_gpio, "disp_en_gpio");
- if (rc) {
- pr_err("request for disp_en_gpio failed, rc=%d\n", rc);
- goto error_release_reset;
- }
- }
-
- if (gpio_is_valid(panel->bl_config.en_gpio)) {
- rc = gpio_request(panel->bl_config.en_gpio, "bklt_en_gpio");
- if (rc) {
- pr_err("request for bklt_en_gpio failed, rc=%d\n", rc);
- goto error_release_disp_en;
- }
- }
-
- if (gpio_is_valid(r_config->lcd_mode_sel_gpio)) {
- rc = gpio_request(r_config->lcd_mode_sel_gpio, "mode_gpio");
- if (rc) {
- pr_err("request for mode_gpio failed, rc=%d\n", rc);
- goto error_release_mode_sel;
- }
- }
-
- goto error;
-error_release_mode_sel:
- if (gpio_is_valid(panel->bl_config.en_gpio))
- gpio_free(panel->bl_config.en_gpio);
-error_release_disp_en:
- if (gpio_is_valid(r_config->disp_en_gpio))
- gpio_free(r_config->disp_en_gpio);
-error_release_reset:
- if (gpio_is_valid(r_config->reset_gpio))
- gpio_free(r_config->reset_gpio);
-error:
- return rc;
-}
-
-static int dsi_panel_gpio_release(struct dsi_panel *panel)
-{
- int rc = 0;
- struct dsi_panel_reset_config *r_config = &panel->reset_config;
-
- if (gpio_is_valid(r_config->reset_gpio))
- gpio_free(r_config->reset_gpio);
-
- if (gpio_is_valid(r_config->disp_en_gpio))
- gpio_free(r_config->disp_en_gpio);
-
- if (gpio_is_valid(panel->bl_config.en_gpio))
- gpio_free(panel->bl_config.en_gpio);
-
- if (gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio))
- gpio_free(panel->reset_config.lcd_mode_sel_gpio);
-
- return rc;
-}
-
-static int dsi_panel_reset(struct dsi_panel *panel)
-{
- int rc = 0;
- struct dsi_panel_reset_config *r_config = &panel->reset_config;
- int i;
-
- if (gpio_is_valid(panel->reset_config.disp_en_gpio)) {
- rc = gpio_direction_output(panel->reset_config.disp_en_gpio, 1);
- if (rc) {
- pr_err("unable to set dir for disp gpio rc=%d\n", rc);
- goto exit;
- }
- }
-
- if (r_config->count) {
- rc = gpio_direction_output(r_config->reset_gpio,
- r_config->sequence[0].level);
- if (rc) {
- pr_err("unable to set dir for rst gpio rc=%d\n", rc);
- goto exit;
- }
- }
-
- for (i = 0; i < r_config->count; i++) {
- gpio_set_value(r_config->reset_gpio,
- r_config->sequence[i].level);
-
-
- if (r_config->sequence[i].sleep_ms)
- usleep_range(r_config->sequence[i].sleep_ms * 1000,
- r_config->sequence[i].sleep_ms * 1000);
- }
-
- if (gpio_is_valid(panel->bl_config.en_gpio)) {
- rc = gpio_direction_output(panel->bl_config.en_gpio, 1);
- if (rc)
- pr_err("unable to set dir for bklt gpio rc=%d\n", rc);
- }
-
- if (gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio)) {
- bool out = true;
-
- if ((panel->reset_config.mode_sel_state == MODE_SEL_DUAL_PORT)
- || (panel->reset_config.mode_sel_state
- == MODE_GPIO_LOW))
- out = false;
- else if ((panel->reset_config.mode_sel_state
- == MODE_SEL_SINGLE_PORT) ||
- (panel->reset_config.mode_sel_state
- == MODE_GPIO_HIGH))
- out = true;
-
- rc = gpio_direction_output(
- panel->reset_config.lcd_mode_sel_gpio, out);
- if (rc)
- pr_err("unable to set dir for mode gpio rc=%d\n", rc);
- }
-exit:
- return rc;
-}
-
-static int dsi_panel_set_pinctrl_state(struct dsi_panel *panel, bool enable)
-{
- int rc = 0;
- struct pinctrl_state *state;
-
- if (enable)
- state = panel->pinctrl.active;
- else
- state = panel->pinctrl.suspend;
-
- rc = pinctrl_select_state(panel->pinctrl.pinctrl, state);
- if (rc)
- pr_err("[%s] failed to set pin state, rc=%d\n", panel->name,
- rc);
-
- return rc;
-}
-
-
-static int dsi_panel_power_on(struct dsi_panel *panel)
-{
- int rc = 0;
-
- rc = dsi_pwr_enable_regulator(&panel->power_info, true);
- if (rc) {
- pr_err("[%s] failed to enable vregs, rc=%d\n", panel->name, rc);
- goto exit;
- }
-
- rc = dsi_panel_set_pinctrl_state(panel, true);
- if (rc) {
- pr_err("[%s] failed to set pinctrl, rc=%d\n", panel->name, rc);
- goto error_disable_vregs;
- }
-
- rc = dsi_panel_reset(panel);
- if (rc) {
- pr_err("[%s] failed to reset panel, rc=%d\n", panel->name, rc);
- goto error_disable_gpio;
- }
-
- goto exit;
-
-error_disable_gpio:
- if (gpio_is_valid(panel->reset_config.disp_en_gpio))
- gpio_set_value(panel->reset_config.disp_en_gpio, 0);
-
- if (gpio_is_valid(panel->bl_config.en_gpio))
- gpio_set_value(panel->bl_config.en_gpio, 0);
-
- (void)dsi_panel_set_pinctrl_state(panel, false);
-
-error_disable_vregs:
- (void)dsi_pwr_enable_regulator(&panel->power_info, false);
-
-exit:
- return rc;
-}
-
-static int dsi_panel_power_off(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (gpio_is_valid(panel->reset_config.disp_en_gpio))
- gpio_set_value(panel->reset_config.disp_en_gpio, 0);
-
- if (gpio_is_valid(panel->reset_config.reset_gpio))
- gpio_set_value(panel->reset_config.reset_gpio, 0);
-
- if (gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio))
- gpio_set_value(panel->reset_config.lcd_mode_sel_gpio, 0);
-
- rc = dsi_panel_set_pinctrl_state(panel, false);
- if (rc) {
- pr_err("[%s] failed set pinctrl state, rc=%d\n", panel->name,
- rc);
- }
-
- rc = dsi_pwr_enable_regulator(&panel->power_info, false);
- if (rc)
- pr_err("[%s] failed to enable vregs, rc=%d\n", panel->name, rc);
-
- return rc;
-}
-static int dsi_panel_tx_cmd_set(struct dsi_panel *panel,
- enum dsi_cmd_set_type type)
-{
- int rc = 0, i = 0;
- ssize_t len;
- struct dsi_cmd_desc *cmds;
- u32 count;
- enum dsi_cmd_set_state state;
- struct dsi_display_mode *mode;
- const struct mipi_dsi_host_ops *ops = panel->host->ops;
-
- if (!panel || !panel->cur_mode)
- return -EINVAL;
-
- mode = panel->cur_mode;
-
- cmds = mode->priv_info->cmd_sets[type].cmds;
- count = mode->priv_info->cmd_sets[type].count;
- state = mode->priv_info->cmd_sets[type].state;
-
- if (count == 0) {
- pr_debug("[%s] No commands to be sent for state(%d)\n",
- panel->name, type);
- goto error;
- }
-
- for (i = 0; i < count; i++) {
- /* TODO: handle last command */
- if (state == DSI_CMD_SET_STATE_LP)
- cmds->msg.flags |= MIPI_DSI_MSG_USE_LPM;
-
- len = ops->transfer(panel->host, &cmds->msg);
- if (len < 0) {
- rc = len;
- pr_err("failed to set cmds(%d), rc=%d\n", type, rc);
- goto error;
- }
- if (cmds->post_wait_ms)
- msleep(cmds->post_wait_ms);
- cmds++;
- }
-error:
- return rc;
-}
-
-static int dsi_panel_pinctrl_deinit(struct dsi_panel *panel)
-{
- int rc = 0;
-
- devm_pinctrl_put(panel->pinctrl.pinctrl);
-
- return rc;
-}
-
-static int dsi_panel_pinctrl_init(struct dsi_panel *panel)
-{
- int rc = 0;
-
- /* TODO: pinctrl is defined in dsi dt node */
- panel->pinctrl.pinctrl = devm_pinctrl_get(panel->parent);
- if (IS_ERR_OR_NULL(panel->pinctrl.pinctrl)) {
- rc = PTR_ERR(panel->pinctrl.pinctrl);
- pr_err("failed to get pinctrl, rc=%d\n", rc);
- goto error;
- }
-
- panel->pinctrl.active = pinctrl_lookup_state(panel->pinctrl.pinctrl,
- "panel_active");
- if (IS_ERR_OR_NULL(panel->pinctrl.active)) {
- rc = PTR_ERR(panel->pinctrl.active);
- pr_err("failed to get pinctrl active state, rc=%d\n", rc);
- goto error;
- }
-
- panel->pinctrl.suspend =
- pinctrl_lookup_state(panel->pinctrl.pinctrl, "panel_suspend");
-
- if (IS_ERR_OR_NULL(panel->pinctrl.suspend)) {
- rc = PTR_ERR(panel->pinctrl.suspend);
- pr_err("failed to get pinctrl suspend state, rc=%d\n", rc);
- goto error;
- }
-
-error:
- return rc;
-}
-
-#ifdef CONFIG_LEDS_TRIGGERS
-static int dsi_panel_led_bl_register(struct dsi_panel *panel,
- struct dsi_backlight_config *bl)
-{
- int rc = 0;
-
- led_trigger_register_simple("bkl-trigger", &bl->wled);
-
- /* LED APIs don't tell us directly whether a clasdpuv has yet
- * been registered to service this trigger. Until clasdpuv is
- * registered, calling led_trigger has no effect, and doesn't
- * fail. Clasdpuvs are associated with any registered triggers
- * when they do register, but that is too late for FBCon.
- * Check the cdev list directly and defer if appropriate.
- */
- if (!bl->wled) {
- pr_err("[%s] backlight registration failed\n", panel->name);
- rc = -EINVAL;
- } else {
- read_lock(&bl->wled->leddev_list_lock);
- if (list_empty(&bl->wled->led_cdevs))
- rc = -EPROBE_DEFER;
- read_unlock(&bl->wled->leddev_list_lock);
-
- if (rc) {
- pr_info("[%s] backlight %s not ready, defer probe\n",
- panel->name, bl->wled->name);
- led_trigger_unregister_simple(bl->wled);
- }
- }
-
- return rc;
-}
-#else
-static int dsi_panel_led_bl_register(struct dsi_panel *panel,
- struct dsi_backlight_config *bl)
-{
- return 0;
-}
-#endif
-
-static int dsi_panel_update_backlight(struct dsi_panel *panel,
- u32 bl_lvl)
-{
- int rc = 0;
- struct mipi_dsi_device *dsi;
-
- if (!panel || (bl_lvl > 0xffff)) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- dsi = &panel->mipi_device;
-
- mutex_lock(&panel->panel_lock);
-
- rc = mipi_dsi_dcs_set_display_brightness(dsi, bl_lvl);
- if (rc < 0)
- pr_err("failed to update dcs backlight:%d\n", bl_lvl);
-
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_set_backlight(struct dsi_panel *panel, u32 bl_lvl)
-{
- int rc = 0;
- struct dsi_backlight_config *bl = &panel->bl_config;
-
- pr_debug("backlight type:%d lvl:%d\n", bl->type, bl_lvl);
- switch (bl->type) {
- case DSI_BACKLIGHT_WLED:
- led_trigger_event(bl->wled, bl_lvl);
- break;
- case DSI_BACKLIGHT_DCS:
- dsi_panel_update_backlight(panel, bl_lvl);
- break;
- default:
- pr_err("Backlight type(%d) not supported\n", bl->type);
- rc = -ENOTSUPP;
- }
-
- return rc;
-}
-
-static int dsi_panel_bl_register(struct dsi_panel *panel)
-{
- int rc = 0;
- struct dsi_backlight_config *bl = &panel->bl_config;
-
- switch (bl->type) {
- case DSI_BACKLIGHT_WLED:
- rc = dsi_panel_led_bl_register(panel, bl);
- break;
- case DSI_BACKLIGHT_DCS:
- break;
- default:
- pr_err("Backlight type(%d) not supported\n", bl->type);
- rc = -ENOTSUPP;
- goto error;
- }
-
-error:
- return rc;
-}
-
-static int dsi_panel_bl_unregister(struct dsi_panel *panel)
-{
- int rc = 0;
- struct dsi_backlight_config *bl = &panel->bl_config;
-
- switch (bl->type) {
- case DSI_BACKLIGHT_WLED:
- led_trigger_unregister_simple(bl->wled);
- break;
- case DSI_BACKLIGHT_DCS:
- break;
- default:
- pr_err("Backlight type(%d) not supported\n", bl->type);
- rc = -ENOTSUPP;
- goto error;
- }
-
-error:
- return rc;
-}
-static int dsi_panel_parse_timing(struct dsi_mode_info *mode,
- struct device_node *of_node)
-{
- int rc = 0;
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-panel-framerate",
- &mode->refresh_rate);
- if (rc) {
- pr_err("failed to read qcom,mdss-dsi-panel-framerate, rc=%d\n",
- rc);
- goto error;
- }
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-panel-width",
- &mode->h_active);
- if (rc) {
- pr_err("failed to read qcom,mdss-dsi-panel-width, rc=%d\n", rc);
- goto error;
- }
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-h-front-porch",
- &mode->h_front_porch);
- if (rc) {
- pr_err("failed to read qcom,mdss-dsi-h-front-porch, rc=%d\n",
- rc);
- goto error;
- }
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-h-back-porch",
- &mode->h_back_porch);
- if (rc) {
- pr_err("failed to read qcom,mdss-dsi-h-back-porch, rc=%d\n",
- rc);
- goto error;
- }
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-h-pulse-width",
- &mode->h_sync_width);
- if (rc) {
- pr_err("failed to read qcom,mdss-dsi-h-pulse-width, rc=%d\n",
- rc);
- goto error;
- }
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-h-sync-skew",
- &mode->h_skew);
- if (rc)
- pr_err("qcom,mdss-dsi-h-sync-skew is not defined, rc=%d\n", rc);
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-panel-height",
- &mode->v_active);
- if (rc) {
- pr_err("failed to read qcom,mdss-dsi-panel-height, rc=%d\n",
- rc);
- goto error;
- }
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-v-back-porch",
- &mode->v_back_porch);
- if (rc) {
- pr_err("failed to read qcom,mdss-dsi-v-back-porch, rc=%d\n",
- rc);
- goto error;
- }
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-v-front-porch",
- &mode->v_front_porch);
- if (rc) {
- pr_err("failed to read qcom,mdss-dsi-v-back-porch, rc=%d\n",
- rc);
- goto error;
- }
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-v-pulse-width",
- &mode->v_sync_width);
- if (rc) {
- pr_err("failed to read qcom,mdss-dsi-v-pulse-width, rc=%d\n",
- rc);
- goto error;
- }
-
-error:
- return rc;
-}
-
-static int dsi_panel_parse_pixel_format(struct dsi_host_common_cfg *host,
- struct device_node *of_node,
- const char *name)
-{
- int rc = 0;
- u32 bpp = 0;
- enum dsi_pixel_format fmt;
- const char *packing;
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-bpp", &bpp);
- if (rc) {
- pr_err("[%s] failed to read qcom,mdss-dsi-bpp, rc=%d\n",
- name, rc);
- return rc;
- }
-
- switch (bpp) {
- case 3:
- fmt = DSI_PIXEL_FORMAT_RGB111;
- break;
- case 8:
- fmt = DSI_PIXEL_FORMAT_RGB332;
- break;
- case 12:
- fmt = DSI_PIXEL_FORMAT_RGB444;
- break;
- case 16:
- fmt = DSI_PIXEL_FORMAT_RGB565;
- break;
- case 18:
- fmt = DSI_PIXEL_FORMAT_RGB666;
- break;
- case 24:
- default:
- fmt = DSI_PIXEL_FORMAT_RGB888;
- break;
- }
-
- if (fmt == DSI_PIXEL_FORMAT_RGB666) {
- packing = of_get_property(of_node,
- "qcom,mdss-dsi-pixel-packing",
- NULL);
- if (packing && !strcmp(packing, "loose"))
- fmt = DSI_PIXEL_FORMAT_RGB666_LOOSE;
- }
-
- host->dst_format = fmt;
- return rc;
-}
-
-static int dsi_panel_parse_lane_states(struct dsi_host_common_cfg *host,
- struct device_node *of_node,
- const char *name)
-{
- int rc = 0;
- bool lane_enabled;
-
- lane_enabled = of_property_read_bool(of_node,
- "qcom,mdss-dsi-lane-0-state");
- host->data_lanes |= (lane_enabled ? DSI_DATA_LANE_0 : 0);
-
- lane_enabled = of_property_read_bool(of_node,
- "qcom,mdss-dsi-lane-1-state");
- host->data_lanes |= (lane_enabled ? DSI_DATA_LANE_1 : 0);
-
- lane_enabled = of_property_read_bool(of_node,
- "qcom,mdss-dsi-lane-2-state");
- host->data_lanes |= (lane_enabled ? DSI_DATA_LANE_2 : 0);
-
- lane_enabled = of_property_read_bool(of_node,
- "qcom,mdss-dsi-lane-3-state");
- host->data_lanes |= (lane_enabled ? DSI_DATA_LANE_3 : 0);
-
- if (host->data_lanes == 0) {
- pr_err("[%s] No data lanes are enabled, rc=%d\n", name, rc);
- rc = -EINVAL;
- }
-
- return rc;
-}
-
-static int dsi_panel_parse_color_swap(struct dsi_host_common_cfg *host,
- struct device_node *of_node,
- const char *name)
-{
- int rc = 0;
- const char *swap_mode;
-
- swap_mode = of_get_property(of_node, "qcom,mdss-dsi-color-order", NULL);
- if (swap_mode) {
- if (!strcmp(swap_mode, "rgb_swap_rgb")) {
- host->swap_mode = DSI_COLOR_SWAP_RGB;
- } else if (!strcmp(swap_mode, "rgb_swap_rbg")) {
- host->swap_mode = DSI_COLOR_SWAP_RBG;
- } else if (!strcmp(swap_mode, "rgb_swap_brg")) {
- host->swap_mode = DSI_COLOR_SWAP_BRG;
- } else if (!strcmp(swap_mode, "rgb_swap_grb")) {
- host->swap_mode = DSI_COLOR_SWAP_GRB;
- } else if (!strcmp(swap_mode, "rgb_swap_gbr")) {
- host->swap_mode = DSI_COLOR_SWAP_GBR;
- } else {
- pr_err("[%s] Unrecognized color order-%s\n",
- name, swap_mode);
- rc = -EINVAL;
- }
- } else {
- pr_debug("[%s] Falling back to default color order\n", name);
- host->swap_mode = DSI_COLOR_SWAP_RGB;
- }
-
- /* bit swap on color channel is not defined in dt */
- host->bit_swap_red = false;
- host->bit_swap_green = false;
- host->bit_swap_blue = false;
- return rc;
-}
-
-static int dsi_panel_parse_triggers(struct dsi_host_common_cfg *host,
- struct device_node *of_node,
- const char *name)
-{
- const char *trig;
- int rc = 0;
-
- trig = of_get_property(of_node, "qcom,mdss-dsi-mdp-trigger", NULL);
- if (trig) {
- if (!strcmp(trig, "none")) {
- host->mdp_cmd_trigger = DSI_TRIGGER_NONE;
- } else if (!strcmp(trig, "trigger_te")) {
- host->mdp_cmd_trigger = DSI_TRIGGER_TE;
- } else if (!strcmp(trig, "trigger_sw")) {
- host->mdp_cmd_trigger = DSI_TRIGGER_SW;
- } else if (!strcmp(trig, "trigger_sw_te")) {
- host->mdp_cmd_trigger = DSI_TRIGGER_SW_TE;
- } else {
- pr_err("[%s] Unrecognized mdp trigger type (%s)\n",
- name, trig);
- rc = -EINVAL;
- }
-
- } else {
- pr_debug("[%s] Falling back to default MDP trigger\n",
- name);
- host->mdp_cmd_trigger = DSI_TRIGGER_SW;
- }
-
- trig = of_get_property(of_node, "qcom,mdss-dsi-dma-trigger", NULL);
- if (trig) {
- if (!strcmp(trig, "none")) {
- host->dma_cmd_trigger = DSI_TRIGGER_NONE;
- } else if (!strcmp(trig, "trigger_te")) {
- host->dma_cmd_trigger = DSI_TRIGGER_TE;
- } else if (!strcmp(trig, "trigger_sw")) {
- host->dma_cmd_trigger = DSI_TRIGGER_SW;
- } else if (!strcmp(trig, "trigger_sw_seof")) {
- host->dma_cmd_trigger = DSI_TRIGGER_SW_SEOF;
- } else if (!strcmp(trig, "trigger_sw_te")) {
- host->dma_cmd_trigger = DSI_TRIGGER_SW_TE;
- } else {
- pr_err("[%s] Unrecognized mdp trigger type (%s)\n",
- name, trig);
- rc = -EINVAL;
- }
-
- } else {
- pr_debug("[%s] Falling back to default MDP trigger\n", name);
- host->dma_cmd_trigger = DSI_TRIGGER_SW;
- }
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-te-pin-select",
- &host->te_mode);
- if (rc) {
- pr_warn("[%s] fallback to default te-pin-select\n", name);
- host->te_mode = 1;
- rc = 0;
- }
-
- return rc;
-}
-
-static int dsi_panel_parse_misc_host_config(struct dsi_host_common_cfg *host,
- struct device_node *of_node,
- const char *name)
-{
- u32 val = 0;
- int rc = 0;
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-t-clk-post", &val);
- if (rc) {
- pr_debug("[%s] Fallback to default t_clk_post value\n", name);
- host->t_clk_post = 0x03;
- } else {
- host->t_clk_post = val;
- pr_debug("[%s] t_clk_post = %d\n", name, val);
- }
-
- val = 0;
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-t-clk-pre", &val);
- if (rc) {
- pr_debug("[%s] Fallback to default t_clk_pre value\n", name);
- host->t_clk_pre = 0x24;
- } else {
- host->t_clk_pre = val;
- pr_debug("[%s] t_clk_pre = %d\n", name, val);
- }
-
- host->ignore_rx_eot = of_property_read_bool(of_node,
- "qcom,mdss-dsi-rx-eot-ignore");
-
- host->append_tx_eot = of_property_read_bool(of_node,
- "qcom,mdss-dsi-tx-eot-append");
-
- return 0;
-}
-
-static int dsi_panel_parse_host_config(struct dsi_panel *panel,
- struct device_node *of_node)
-{
- int rc = 0;
-
- rc = dsi_panel_parse_pixel_format(&panel->host_config, of_node,
- panel->name);
- if (rc) {
- pr_err("[%s] failed to get pixel format, rc=%d\n",
- panel->name, rc);
- goto error;
- }
-
- rc = dsi_panel_parse_lane_states(&panel->host_config, of_node,
- panel->name);
- if (rc) {
- pr_err("[%s] failed to parse lane states, rc=%d\n",
- panel->name, rc);
- goto error;
- }
-
- rc = dsi_panel_parse_color_swap(&panel->host_config, of_node,
- panel->name);
- if (rc) {
- pr_err("[%s] failed to parse color swap config, rc=%d\n",
- panel->name, rc);
- goto error;
- }
-
- rc = dsi_panel_parse_triggers(&panel->host_config, of_node,
- panel->name);
- if (rc) {
- pr_err("[%s] failed to parse triggers, rc=%d\n",
- panel->name, rc);
- goto error;
- }
-
- rc = dsi_panel_parse_misc_host_config(&panel->host_config, of_node,
- panel->name);
- if (rc) {
- pr_err("[%s] failed to parse misc host config, rc=%d\n",
- panel->name, rc);
- goto error;
- }
-
-error:
- return rc;
-}
-
-static int dsi_panel_parse_dfps_caps(struct dsi_dfps_capabilities *dfps_caps,
- struct device_node *of_node,
- const char *name)
-{
- int rc = 0;
- bool supported = false;
- const char *type;
- u32 val = 0;
-
- supported = of_property_read_bool(of_node,
- "qcom,mdss-dsi-pan-enable-dynamic-fps");
-
- if (!supported) {
- pr_debug("[%s] DFPS is not supported\n", name);
- dfps_caps->dfps_support = false;
- } else {
-
- type = of_get_property(of_node,
- "qcom,mdss-dsi-pan-fps-update",
- NULL);
- if (!type) {
- pr_err("[%s] dfps type not defined\n", name);
- rc = -EINVAL;
- goto error;
- } else if (!strcmp(type, "dfps_suspend_resume_mode")) {
- dfps_caps->type = DSI_DFPS_SUSPEND_RESUME;
- } else if (!strcmp(type, "dfps_immediate_clk_mode")) {
- dfps_caps->type = DSI_DFPS_IMMEDIATE_CLK;
- } else if (!strcmp(type, "dfps_immediate_porch_mode_hfp")) {
- dfps_caps->type = DSI_DFPS_IMMEDIATE_HFP;
- } else if (!strcmp(type, "dfps_immediate_porch_mode_vfp")) {
- dfps_caps->type = DSI_DFPS_IMMEDIATE_VFP;
- } else {
- pr_err("[%s] dfps type is not recognized\n", name);
- rc = -EINVAL;
- goto error;
- }
-
- rc = of_property_read_u32(of_node,
- "qcom,mdss-dsi-min-refresh-rate",
- &val);
- if (rc) {
- pr_err("[%s] Min refresh rate is not defined\n", name);
- rc = -EINVAL;
- goto error;
- }
- dfps_caps->min_refresh_rate = val;
-
- rc = of_property_read_u32(of_node,
- "qcom,mdss-dsi-max-refresh-rate",
- &val);
- if (rc) {
- pr_debug("[%s] Using default refresh rate\n", name);
- rc = of_property_read_u32(of_node,
- "qcom,mdss-dsi-panel-framerate",
- &val);
- if (rc) {
- pr_err("[%s] max refresh rate is not defined\n",
- name);
- rc = -EINVAL;
- goto error;
- }
- }
- dfps_caps->max_refresh_rate = val;
-
- if (dfps_caps->min_refresh_rate > dfps_caps->max_refresh_rate) {
- pr_err("[%s] min rate > max rate\n", name);
- rc = -EINVAL;
- }
-
- pr_debug("[%s] DFPS is supported %d-%d, mode %d\n", name,
- dfps_caps->min_refresh_rate,
- dfps_caps->max_refresh_rate,
- dfps_caps->type);
- dfps_caps->dfps_support = true;
- }
-
-error:
- return rc;
-}
-
-static int dsi_panel_parse_video_host_config(struct dsi_video_engine_cfg *cfg,
- struct device_node *of_node,
- const char *name)
-{
- int rc = 0;
- const char *traffic_mode;
- u32 vc_id = 0;
- u32 val = 0;
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-h-sync-pulse", &val);
- if (rc) {
- pr_debug("[%s] fallback to default h-sync-pulse\n", name);
- cfg->pulse_mode_hsa_he = false;
- } else if (val == 1) {
- cfg->pulse_mode_hsa_he = true;
- } else if (val == 0) {
- cfg->pulse_mode_hsa_he = false;
- } else {
- pr_err("[%s] Unrecognized value for mdss-dsi-h-sync-pulse\n",
- name);
- rc = -EINVAL;
- goto error;
- }
-
- cfg->hfp_lp11_en = of_property_read_bool(of_node,
- "qcom,mdss-dsi-hfp-power-mode");
-
- cfg->hbp_lp11_en = of_property_read_bool(of_node,
- "qcom,mdss-dsi-hbp-power-mode");
-
- cfg->hsa_lp11_en = of_property_read_bool(of_node,
- "qcom,mdss-dsi-hsa-power-mode");
-
- cfg->last_line_interleave_en = of_property_read_bool(of_node,
- "qcom,mdss-dsi-last-line-interleave");
-
- cfg->eof_bllp_lp11_en = of_property_read_bool(of_node,
- "qcom,mdss-dsi-bllp-eof-power-mode");
-
- cfg->bllp_lp11_en = of_property_read_bool(of_node,
- "qcom,mdss-dsi-bllp-power-mode");
-
- traffic_mode = of_get_property(of_node,
- "qcom,mdss-dsi-traffic-mode",
- NULL);
- if (!traffic_mode) {
- pr_debug("[%s] Falling back to default traffic mode\n", name);
- cfg->traffic_mode = DSI_VIDEO_TRAFFIC_SYNC_PULSES;
- } else if (!strcmp(traffic_mode, "non_burst_sync_pulse")) {
- cfg->traffic_mode = DSI_VIDEO_TRAFFIC_SYNC_PULSES;
- } else if (!strcmp(traffic_mode, "non_burst_sync_event")) {
- cfg->traffic_mode = DSI_VIDEO_TRAFFIC_SYNC_START_EVENTS;
- } else if (!strcmp(traffic_mode, "burst_mode")) {
- cfg->traffic_mode = DSI_VIDEO_TRAFFIC_BURST_MODE;
- } else {
- pr_err("[%s] Unrecognized traffic mode-%s\n", name,
- traffic_mode);
- rc = -EINVAL;
- goto error;
- }
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-virtual-channel-id",
- &vc_id);
- if (rc) {
- pr_debug("[%s] Fallback to default vc id\n", name);
- cfg->vc_id = 0;
- } else {
- cfg->vc_id = vc_id;
- }
-
-error:
- return rc;
-}
-
-static int dsi_panel_parse_cmd_host_config(struct dsi_cmd_engine_cfg *cfg,
- struct device_node *of_node,
- const char *name)
-{
- u32 val = 0;
- int rc = 0;
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-wr-mem-start", &val);
- if (rc) {
- pr_debug("[%s] Fallback to default wr-mem-start\n", name);
- cfg->wr_mem_start = 0x2C;
- } else {
- cfg->wr_mem_start = val;
- }
-
- val = 0;
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-wr-mem-continue",
- &val);
- if (rc) {
- pr_debug("[%s] Fallback to default wr-mem-continue\n", name);
- cfg->wr_mem_continue = 0x3C;
- } else {
- cfg->wr_mem_continue = val;
- }
-
- /* TODO: fix following */
- cfg->max_cmd_packets_interleave = 0;
-
- val = 0;
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-te-dcs-command",
- &val);
- if (rc) {
- pr_debug("[%s] fallback to default te-dcs-cmd\n", name);
- cfg->insert_dcs_command = true;
- } else if (val == 1) {
- cfg->insert_dcs_command = true;
- } else if (val == 0) {
- cfg->insert_dcs_command = false;
- } else {
- pr_err("[%s] Unrecognized value for mdss-dsi-te-dcs-command\n",
- name);
- rc = -EINVAL;
- goto error;
- }
-
- if (of_property_read_u32(of_node, "qcom,mdss-mdp-transfer-time-us",
- &val)) {
- pr_debug("[%s] Fallback to default transfer-time-us\n", name);
- cfg->mdp_transfer_time_us = DEFAULT_MDP_TRANSFER_TIME;
- } else {
- cfg->mdp_transfer_time_us = val;
- }
-
-error:
- return rc;
-}
-
-static int dsi_panel_parse_panel_mode(struct dsi_panel *panel,
- struct device_node *of_node)
-{
- int rc = 0;
- enum dsi_op_mode panel_mode;
- const char *mode;
-
- mode = of_get_property(of_node, "qcom,mdss-dsi-panel-type", NULL);
- if (!mode) {
- pr_debug("[%s] Fallback to default panel mode\n", panel->name);
- panel_mode = DSI_OP_VIDEO_MODE;
- } else if (!strcmp(mode, "dsi_video_mode")) {
- panel_mode = DSI_OP_VIDEO_MODE;
- } else if (!strcmp(mode, "dsi_cmd_mode")) {
- panel_mode = DSI_OP_CMD_MODE;
- } else {
- pr_err("[%s] Unrecognized panel type-%s\n", panel->name, mode);
- rc = -EINVAL;
- goto error;
- }
-
- if (panel_mode == DSI_OP_VIDEO_MODE) {
- rc = dsi_panel_parse_video_host_config(&panel->video_config,
- of_node,
- panel->name);
- if (rc) {
- pr_err("[%s] Failed to parse video host cfg, rc=%d\n",
- panel->name, rc);
- goto error;
- }
- }
-
- if (panel_mode == DSI_OP_CMD_MODE) {
- rc = dsi_panel_parse_cmd_host_config(&panel->cmd_config,
- of_node,
- panel->name);
- if (rc) {
- pr_err("[%s] Failed to parse cmd host config, rc=%d\n",
- panel->name, rc);
- goto error;
- }
- }
-
- panel->panel_mode = panel_mode;
-error:
- return rc;
-}
-
-static int dsi_panel_parse_phy_props(struct dsi_panel_phy_props *props,
- struct device_node *of_node,
- const char *name)
-{
- int rc = 0;
- u32 val = 0;
- const char *str;
-
- rc = of_property_read_u32(of_node,
- "qcom,mdss-pan-physical-width-dimension",
- &val);
- if (rc) {
- pr_debug("[%s] Physical panel width is not defined\n", name);
- props->panel_width_mm = 0;
- rc = 0;
- } else {
- props->panel_width_mm = val;
- }
-
- rc = of_property_read_u32(of_node,
- "qcom,mdss-pan-physical-height-dimension",
- &val);
- if (rc) {
- pr_debug("[%s] Physical panel height is not defined\n", name);
- props->panel_height_mm = 0;
- rc = 0;
- } else {
- props->panel_height_mm = val;
- }
-
- str = of_get_property(of_node, "qcom,mdss-dsi-panel-orientation", NULL);
- if (!str) {
- props->rotation = DSI_PANEL_ROTATE_NONE;
- } else if (!strcmp(str, "180")) {
- props->rotation = DSI_PANEL_ROTATE_HV_FLIP;
- } else if (!strcmp(str, "hflip")) {
- props->rotation = DSI_PANEL_ROTATE_H_FLIP;
- } else if (!strcmp(str, "vflip")) {
- props->rotation = DSI_PANEL_ROTATE_V_FLIP;
- } else {
- pr_err("[%s] Unrecognized panel rotation-%s\n", name, str);
- rc = -EINVAL;
- goto error;
- }
-error:
- return rc;
-}
-const char *cmd_set_prop_map[DSI_CMD_SET_MAX] = {
- "qcom,mdss-dsi-pre-on-command",
- "qcom,mdss-dsi-on-command",
- "qcom,mdss-dsi-post-panel-on-command",
- "qcom,mdss-dsi-pre-off-command",
- "qcom,mdss-dsi-off-command",
- "qcom,mdss-dsi-post-off-command",
- "qcom,mdss-dsi-pre-res-switch",
- "qcom,mdss-dsi-res-switch",
- "qcom,mdss-dsi-post-res-switch",
- "qcom,cmd-to-video-mode-switch-commands",
- "qcom,cmd-to-video-mode-post-switch-commands",
- "qcom,video-to-cmd-mode-switch-commands",
- "qcom,video-to-cmd-mode-post-switch-commands",
- "qcom,mdss-dsi-panel-status-command",
- "qcom,mdss-dsi-lp1-command",
- "qcom,mdss-dsi-lp2-command",
- "qcom,mdss-dsi-nolp-command",
- "PPS not parsed from DTSI, generated dynamically",
- "qcom,mdss-dsi-timing-switch-command",
- "qcom,mdss-dsi-post-mode-switch-on-command",
-};
-
-const char *cmd_set_state_map[DSI_CMD_SET_MAX] = {
- "qcom,mdss-dsi-pre-on-command-state",
- "qcom,mdss-dsi-on-command-state",
- "qcom,mdss-dsi-post-on-command-state",
- "qcom,mdss-dsi-pre-off-command-state",
- "qcom,mdss-dsi-off-command-state",
- "qcom,mdss-dsi-post-off-command-state",
- "qcom,mdss-dsi-pre-res-switch-state",
- "qcom,mdss-dsi-res-switch-state",
- "qcom,mdss-dsi-post-res-switch-state",
- "qcom,cmd-to-video-mode-switch-commands-state",
- "qcom,cmd-to-video-mode-post-switch-commands-state",
- "qcom,video-to-cmd-mode-switch-commands-state",
- "qcom,video-to-cmd-mode-post-switch-commands-state",
- "qcom,mdss-dsi-panel-status-command-state",
- "qcom,mdss-dsi-lp1-command-state",
- "qcom,mdss-dsi-lp2-command-state",
- "qcom,mdss-dsi-nolp-command-state",
- "PPS not parsed from DTSI, generated dynamically",
- "qcom,mdss-dsi-timing-switch-command-state",
- "qcom,mdss-dsi-post-mode-switch-on-command-state",
-};
-
-static int dsi_panel_get_cmd_pkt_count(const char *data, u32 length, u32 *cnt)
-{
- const u32 cmd_set_min_size = 7;
- u32 count = 0;
- u32 packet_length;
- u32 tmp;
-
- while (length >= cmd_set_min_size) {
- packet_length = cmd_set_min_size;
- tmp = ((data[5] << 8) | (data[6]));
- packet_length += tmp;
- if (packet_length > length) {
- pr_err("format error\n");
- return -EINVAL;
- }
- length -= packet_length;
- data += packet_length;
- count++;
- };
-
- *cnt = count;
- return 0;
-}
-
-static int dsi_panel_create_cmd_packets(const char *data,
- u32 length,
- u32 count,
- struct dsi_cmd_desc *cmd)
-{
- int rc = 0;
- int i, j;
- u8 *payload;
-
- for (i = 0; i < count; i++) {
- u32 size;
-
- cmd[i].msg.type = data[0];
- cmd[i].last_command = (data[1] == 1 ? true : false);
- cmd[i].msg.channel = data[2];
- cmd[i].msg.flags |= (data[3] == 1 ? MIPI_DSI_MSG_REQ_ACK : 0);
- cmd[i].msg.ctrl = 0;
- cmd[i].post_wait_ms = data[4];
- cmd[i].msg.tx_len = ((data[5] << 8) | (data[6]));
-
- size = cmd[i].msg.tx_len * sizeof(u8);
-
- payload = kzalloc(size, GFP_KERNEL);
- if (!payload) {
- rc = -ENOMEM;
- goto error_free_payloads;
- }
-
- for (j = 0; j < cmd[i].msg.tx_len; j++)
- payload[j] = data[7 + j];
-
- cmd[i].msg.tx_buf = payload;
- data += (7 + cmd[i].msg.tx_len);
- }
-
- return rc;
-error_free_payloads:
- for (i = i - 1; i >= 0; i--) {
- cmd--;
- kfree(cmd->msg.tx_buf);
- }
-
- return rc;
-}
-
-void dsi_panel_destroy_cmd_packets(struct dsi_panel_cmd_set *set)
-{
- u32 i = 0;
- struct dsi_cmd_desc *cmd;
-
- for (i = 0; i < set->count; i++) {
- cmd = &set->cmds[i];
- kfree(cmd->msg.tx_buf);
- }
-
- kfree(set->cmds);
-}
-
-static int dsi_panel_alloc_cmd_packets(struct dsi_panel_cmd_set *cmd,
- u32 packet_count)
-{
- u32 size;
-
- size = packet_count * sizeof(*cmd->cmds);
- cmd->cmds = kzalloc(size, GFP_KERNEL);
- if (!cmd->cmds)
- return -ENOMEM;
-
- cmd->count = packet_count;
- return 0;
-}
-
-static int dsi_panel_parse_cmd_sets_sub(struct dsi_panel_cmd_set *cmd,
- enum dsi_cmd_set_type type,
- struct device_node *of_node)
-{
- int rc = 0;
- u32 length = 0;
- const char *data;
- const char *state;
- u32 packet_count = 0;
-
- data = of_get_property(of_node, cmd_set_prop_map[type], &length);
- if (!data) {
- pr_debug("%s commands not defined\n", cmd_set_prop_map[type]);
- rc = -ENOTSUPP;
- goto error;
- }
-
- rc = dsi_panel_get_cmd_pkt_count(data, length, &packet_count);
- if (rc) {
- pr_err("commands failed, rc=%d\n", rc);
- goto error;
- }
- pr_debug("[%s] packet-count=%d, %d\n", cmd_set_prop_map[type],
- packet_count, length);
-
- rc = dsi_panel_alloc_cmd_packets(cmd, packet_count);
- if (rc) {
- pr_err("failed to allocate cmd packets, rc=%d\n", rc);
- goto error;
- }
-
- rc = dsi_panel_create_cmd_packets(data, length, packet_count,
- cmd->cmds);
- if (rc) {
- pr_err("failed to create cmd packets, rc=%d\n", rc);
- goto error_free_mem;
- }
-
- state = of_get_property(of_node, cmd_set_state_map[type], NULL);
- if (!state || !strcmp(state, "dsi_lp_mode")) {
- cmd->state = DSI_CMD_SET_STATE_LP;
- } else if (!strcmp(state, "dsi_hs_mode")) {
- cmd->state = DSI_CMD_SET_STATE_HS;
- } else {
- pr_err("[%s] command state unrecognized-%s\n",
- cmd_set_state_map[type], state);
- goto error_free_mem;
- }
-
- return rc;
-error_free_mem:
- kfree(cmd->cmds);
- cmd->cmds = NULL;
-error:
- return rc;
-
-}
-
-static int dsi_panel_parse_cmd_sets(
- struct dsi_display_mode_priv_info *priv_info,
- struct device_node *of_node)
-{
- int rc = 0;
- struct dsi_panel_cmd_set *set;
- u32 i;
-
- if (!priv_info) {
- pr_err("invalid mode priv info\n");
- return -EINVAL;
- }
-
- for (i = DSI_CMD_SET_PRE_ON; i < DSI_CMD_SET_MAX; i++) {
- set = &priv_info->cmd_sets[i];
- set->type = i;
- set->count = 0;
-
- if (i == DSI_CMD_SET_PPS) {
- rc = dsi_panel_alloc_cmd_packets(set, 1);
- if (rc)
- pr_err("failed to allocate cmd set %d, rc = %d\n",
- i, rc);
- set->state = DSI_CMD_SET_STATE_LP;
- } else {
- rc = dsi_panel_parse_cmd_sets_sub(set, i, of_node);
- if (rc)
- pr_debug("failed to parse set %d\n", i);
- }
- }
-
- rc = 0;
- return rc;
-}
-
-static int dsi_panel_parse_reset_sequence(struct dsi_panel *panel,
- struct device_node *of_node)
-{
- int rc = 0;
- int i;
- u32 length = 0;
- u32 count = 0;
- u32 size = 0;
- u32 *arr_32 = NULL;
- const u32 *arr;
- struct dsi_reset_seq *seq;
-
- arr = of_get_property(of_node, "qcom,mdss-dsi-reset-sequence", &length);
- if (!arr) {
- pr_err("[%s] dsi-reset-sequence not found\n", panel->name);
- rc = -EINVAL;
- goto error;
- }
- if (length & 0x1) {
- pr_err("[%s] syntax error for dsi-reset-sequence\n",
- panel->name);
- rc = -EINVAL;
- goto error;
- }
-
- pr_err("RESET SEQ LENGTH = %d\n", length);
- length = length / sizeof(u32);
-
- size = length * sizeof(u32);
-
- arr_32 = kzalloc(size, GFP_KERNEL);
- if (!arr_32) {
- rc = -ENOMEM;
- goto error;
- }
-
- rc = of_property_read_u32_array(of_node, "qcom,mdss-dsi-reset-sequence",
- arr_32, length);
- if (rc) {
- pr_err("[%s] cannot read dso-reset-seqience\n", panel->name);
- goto error_free_arr_32;
- }
-
- count = length / 2;
- size = count * sizeof(*seq);
- seq = kzalloc(size, GFP_KERNEL);
- if (!seq) {
- rc = -ENOMEM;
- goto error_free_arr_32;
- }
-
- panel->reset_config.sequence = seq;
- panel->reset_config.count = count;
-
- for (i = 0; i < length; i += 2) {
- seq->level = arr_32[i];
- seq->sleep_ms = arr_32[i + 1];
- seq++;
- }
-
-
-error_free_arr_32:
- kfree(arr_32);
-error:
- return rc;
-}
-
-static int dsi_panel_parse_misc_features(struct dsi_panel *panel,
- struct device_node *of_node)
-{
- panel->ulps_enabled =
- of_property_read_bool(of_node, "qcom,ulps-enabled");
-
- if (panel->ulps_enabled)
- pr_debug("ulps_enabled:%d\n", panel->ulps_enabled);
-
- panel->te_using_watchdog_timer = of_property_read_bool(of_node,
- "qcom,mdss-dsi-te-using-wd");
-
- panel->sync_broadcast_en = of_property_read_bool(of_node,
- "qcom,cmd-sync-wait-broadcast");
- return 0;
-}
-
-static int dsi_panel_parse_jitter_config(
- struct dsi_display_mode *mode,
- struct device_node *of_node)
-{
- int rc;
- struct dsi_display_mode_priv_info *priv_info;
- u32 jitter[DEFAULT_PANEL_JITTER_ARRAY_SIZE] = {0, 0};
- u64 jitter_val = 0;
-
- priv_info = mode->priv_info;
-
- rc = of_property_read_u32_array(of_node, "qcom,mdss-dsi-panel-jitter",
- jitter, DEFAULT_PANEL_JITTER_ARRAY_SIZE);
- if (rc) {
- pr_debug("panel jitter not defined rc=%d\n", rc);
- } else {
- jitter_val = jitter[0];
- jitter_val = div_u64(jitter_val, jitter[1]);
- }
-
- if (rc || !jitter_val || (jitter_val > MAX_PANEL_JITTER)) {
- priv_info->panel_jitter_numer = DEFAULT_PANEL_JITTER_NUMERATOR;
- priv_info->panel_jitter_denom =
- DEFAULT_PANEL_JITTER_DENOMINATOR;
- } else {
- priv_info->panel_jitter_numer = jitter[0];
- priv_info->panel_jitter_denom = jitter[1];
- }
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-panel-prefill-lines",
- &priv_info->panel_prefill_lines);
- if (rc) {
- pr_debug("panel prefill lines are not defined rc=%d\n", rc);
- priv_info->panel_prefill_lines = DEFAULT_PANEL_PREFILL_LINES;
- } else if (priv_info->panel_prefill_lines >=
- DSI_V_TOTAL(&mode->timing)) {
- pr_debug("invalid prefill lines config=%d setting to:%d\n",
- priv_info->panel_prefill_lines, DEFAULT_PANEL_PREFILL_LINES);
-
- priv_info->panel_prefill_lines = DEFAULT_PANEL_PREFILL_LINES;
- }
-
- return 0;
-}
-
-static int dsi_panel_parse_power_cfg(struct device *parent,
- struct dsi_panel *panel,
- struct device_node *of_node)
-{
- int rc = 0;
-
- rc = dsi_pwr_of_get_vreg_data(of_node,
- &panel->power_info,
- "qcom,panel-supply-entries");
- if (rc) {
- pr_err("[%s] failed to parse vregs\n", panel->name);
- goto error;
- }
-
-error:
- return rc;
-}
-
-static int dsi_panel_parse_gpios(struct dsi_panel *panel,
- struct device_node *of_node)
-{
- int rc = 0;
- const char *data;
-
- panel->reset_config.reset_gpio = of_get_named_gpio(of_node,
- "qcom,platform-reset-gpio",
- 0);
- if (!gpio_is_valid(panel->reset_config.reset_gpio)) {
- pr_err("[%s] failed get reset gpio, rc=%d\n", panel->name, rc);
- rc = -EINVAL;
- goto error;
- }
-
- panel->reset_config.disp_en_gpio = of_get_named_gpio(of_node,
- "qcom,5v-boost-gpio",
- 0);
- if (!gpio_is_valid(panel->reset_config.disp_en_gpio)) {
- pr_debug("[%s] 5v-boot-gpio is not set, rc=%d\n",
- panel->name, rc);
- panel->reset_config.disp_en_gpio = of_get_named_gpio(of_node,
- "qcom,platform-en-gpio",
- 0);
- if (!gpio_is_valid(panel->reset_config.disp_en_gpio)) {
- pr_debug("[%s] platform-en-gpio is not set, rc=%d\n",
- panel->name, rc);
- }
- }
-
- panel->reset_config.lcd_mode_sel_gpio = of_get_named_gpio(of_node,
- "qcom,panel-mode-gpio", 0);
- if (!gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio))
- pr_debug("%s:%d mode gpio not specified\n", __func__, __LINE__);
-
- data = of_get_property(of_node,
- "qcom,mdss-dsi-mode-sel-gpio-state", NULL);
- if (data) {
- if (!strcmp(data, "single_port"))
- panel->reset_config.mode_sel_state =
- MODE_SEL_SINGLE_PORT;
- else if (!strcmp(data, "dual_port"))
- panel->reset_config.mode_sel_state =
- MODE_SEL_DUAL_PORT;
- else if (!strcmp(data, "high"))
- panel->reset_config.mode_sel_state =
- MODE_GPIO_HIGH;
- else if (!strcmp(data, "low"))
- panel->reset_config.mode_sel_state =
- MODE_GPIO_LOW;
- } else {
- /* Set default mode as SPLIT mode */
- panel->reset_config.mode_sel_state = MODE_SEL_DUAL_PORT;
- }
-
- /* TODO: release memory */
- rc = dsi_panel_parse_reset_sequence(panel, of_node);
- if (rc) {
- pr_err("[%s] failed to parse reset sequence, rc=%d\n",
- panel->name, rc);
- goto error;
- }
-
-error:
- return rc;
-}
-
-static int dsi_panel_parse_bl_pwm_config(struct dsi_backlight_config *config,
- struct device_node *of_node)
-{
- int rc = 0;
- u32 val;
-
- rc = of_property_read_u32(of_node, "qcom,dsi-bl-pmic-bank-select",
- &val);
- if (rc) {
- pr_err("bl-pmic-bank-select is not defined, rc=%d\n", rc);
- goto error;
- }
- config->pwm_pmic_bank = val;
-
- rc = of_property_read_u32(of_node, "qcom,dsi-bl-pmic-pwm-frequency",
- &val);
- if (rc) {
- pr_err("bl-pmic-bank-select is not defined, rc=%d\n", rc);
- goto error;
- }
- config->pwm_period_usecs = val;
-
- config->pwm_pmi_control = of_property_read_bool(of_node,
- "qcom,mdss-dsi-bl-pwm-pmi");
-
- config->pwm_gpio = of_get_named_gpio(of_node,
- "qcom,mdss-dsi-pwm-gpio",
- 0);
- if (!gpio_is_valid(config->pwm_gpio)) {
- pr_err("pwm gpio is invalid\n");
- rc = -EINVAL;
- goto error;
- }
-
-error:
- return rc;
-}
-
-static int dsi_panel_parse_bl_config(struct dsi_panel *panel,
- struct device_node *of_node)
-{
- int rc = 0;
- const char *bl_type;
- u32 val = 0;
-
- bl_type = of_get_property(of_node,
- "qcom,mdss-dsi-bl-pmic-control-type",
- NULL);
- if (!bl_type) {
- panel->bl_config.type = DSI_BACKLIGHT_UNKNOWN;
- } else if (!strcmp(bl_type, "bl_ctrl_pwm")) {
- panel->bl_config.type = DSI_BACKLIGHT_PWM;
- } else if (!strcmp(bl_type, "bl_ctrl_wled")) {
- panel->bl_config.type = DSI_BACKLIGHT_WLED;
- } else if (!strcmp(bl_type, "bl_ctrl_dcs")) {
- panel->bl_config.type = DSI_BACKLIGHT_DCS;
- } else {
- pr_debug("[%s] bl-pmic-control-type unknown-%s\n",
- panel->name, bl_type);
- panel->bl_config.type = DSI_BACKLIGHT_UNKNOWN;
- }
-
- panel->bl_config.bl_scale = MAX_BL_SCALE_LEVEL;
- panel->bl_config.bl_scale_ad = MAX_AD_BL_SCALE_LEVEL;
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-bl-min-level", &val);
- if (rc) {
- pr_debug("[%s] bl-min-level unspecified, defaulting to zero\n",
- panel->name);
- panel->bl_config.bl_min_level = 0;
- } else {
- panel->bl_config.bl_min_level = val;
- }
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsi-bl-max-level", &val);
- if (rc) {
- pr_debug("[%s] bl-max-level unspecified, defaulting to max level\n",
- panel->name);
- panel->bl_config.bl_max_level = MAX_BL_LEVEL;
- } else {
- panel->bl_config.bl_max_level = val;
- }
-
- rc = of_property_read_u32(of_node, "qcom,mdss-brightness-max-level",
- &val);
- if (rc) {
- pr_debug("[%s] brigheness-max-level unspecified, defaulting to 255\n",
- panel->name);
- panel->bl_config.brightness_max_level = 255;
- } else {
- panel->bl_config.brightness_max_level = val;
- }
-
- if (panel->bl_config.type == DSI_BACKLIGHT_PWM) {
- rc = dsi_panel_parse_bl_pwm_config(&panel->bl_config, of_node);
- if (rc) {
- pr_err("[%s] failed to parse pwm config, rc=%d\n",
- panel->name, rc);
- goto error;
- }
- }
-
- panel->bl_config.en_gpio = of_get_named_gpio(of_node,
- "qcom,platform-bklight-en-gpio",
- 0);
- if (!gpio_is_valid(panel->bl_config.en_gpio)) {
- pr_debug("[%s] failed get bklt gpio, rc=%d\n", panel->name, rc);
- rc = 0;
- goto error;
- }
-
-error:
- return rc;
-}
-
-void dsi_dsc_pclk_param_calc(struct msm_display_dsc_info *dsc, int intf_width)
-{
- int slice_per_pkt, slice_per_intf;
- int bytes_in_slice, total_bytes_per_intf;
-
- if (!dsc || !dsc->slice_width || !dsc->slice_per_pkt ||
- (intf_width < dsc->slice_width)) {
- pr_err("invalid input, intf_width=%d slice_width=%d\n",
- intf_width, dsc ? dsc->slice_width : -1);
- return;
- }
-
- slice_per_pkt = dsc->slice_per_pkt;
- slice_per_intf = DIV_ROUND_UP(intf_width, dsc->slice_width);
-
- /*
- * If slice_per_pkt is greater than slice_per_intf then default to 1.
- * This can happen during partial update.
- */
- if (slice_per_pkt > slice_per_intf)
- slice_per_pkt = 1;
-
- bytes_in_slice = DIV_ROUND_UP(dsc->slice_width * dsc->bpp, 8);
- total_bytes_per_intf = bytes_in_slice * slice_per_intf;
-
- dsc->eol_byte_num = total_bytes_per_intf % 3;
- dsc->pclk_per_line = DIV_ROUND_UP(total_bytes_per_intf, 3);
- dsc->bytes_in_slice = bytes_in_slice;
- dsc->bytes_per_pkt = bytes_in_slice * slice_per_pkt;
- dsc->pkt_per_line = slice_per_intf / slice_per_pkt;
-}
-
-
-int dsi_dsc_populate_static_param(struct msm_display_dsc_info *dsc)
-{
- int bpp, bpc;
- int mux_words_size;
- int groups_per_line, groups_total;
- int min_rate_buffer_size;
- int hrd_delay;
- int pre_num_extra_mux_bits, num_extra_mux_bits;
- int slice_bits;
- int target_bpp_x16;
- int data;
- int final_value, final_scale;
- int ratio_index;
-
- dsc->version = 0x11;
- dsc->scr_rev = 0;
- dsc->rc_model_size = 8192;
- if (dsc->version == 0x11 && dsc->scr_rev == 0x1)
- dsc->first_line_bpg_offset = 15;
- else
- dsc->first_line_bpg_offset = 12;
-
- dsc->edge_factor = 6;
- dsc->tgt_offset_hi = 3;
- dsc->tgt_offset_lo = 3;
- dsc->enable_422 = 0;
- dsc->convert_rgb = 1;
- dsc->vbr_enable = 0;
-
- dsc->buf_thresh = dsi_dsc_rc_buf_thresh;
-
- bpp = dsc->bpp;
- bpc = dsc->bpc;
-
- if (bpc == 12)
- ratio_index = DSC_12BPC_8BPP;
- else if (bpc == 10)
- ratio_index = DSC_10BPC_8BPP;
- else
- ratio_index = DSC_8BPC_8BPP;
-
- if (dsc->version == 0x11 && dsc->scr_rev == 0x1) {
- dsc->range_min_qp =
- dsi_dsc_rc_range_min_qp_1_1_scr1[ratio_index];
- dsc->range_max_qp =
- dsi_dsc_rc_range_max_qp_1_1_scr1[ratio_index];
- } else {
- dsc->range_min_qp = dsi_dsc_rc_range_min_qp_1_1[ratio_index];
- dsc->range_max_qp = dsi_dsc_rc_range_max_qp_1_1[ratio_index];
- }
- dsc->range_bpg_offset = dsi_dsc_rc_range_bpg_offset;
-
- if (bpp == 8)
- dsc->initial_offset = 6144;
- else
- dsc->initial_offset = 2048; /* bpp = 12 */
-
- if (bpc == 12)
- mux_words_size = 64;
- else
- mux_words_size = 48; /* bpc == 8/10 */
-
- if (bpc == 8) {
- dsc->line_buf_depth = 9;
- dsc->input_10_bits = 0;
- dsc->min_qp_flatness = 3;
- dsc->max_qp_flatness = 12;
- dsc->quant_incr_limit0 = 11;
- dsc->quant_incr_limit1 = 11;
- } else if (bpc == 10) { /* 10bpc */
- dsc->line_buf_depth = 11;
- dsc->input_10_bits = 1;
- dsc->min_qp_flatness = 7;
- dsc->max_qp_flatness = 16;
- dsc->quant_incr_limit0 = 15;
- dsc->quant_incr_limit1 = 15;
- } else { /* 12 bpc */
- dsc->line_buf_depth = 9;
- dsc->input_10_bits = 0;
- dsc->min_qp_flatness = 11;
- dsc->max_qp_flatness = 20;
- dsc->quant_incr_limit0 = 19;
- dsc->quant_incr_limit1 = 19;
- }
-
- dsc->slice_last_group_size = 3 - (dsc->slice_width % 3);
-
- dsc->det_thresh_flatness = 7 + 2*(bpc - 8);
-
- dsc->initial_xmit_delay = dsc->rc_model_size / (2 * bpp);
-
- groups_per_line = DIV_ROUND_UP(dsc->slice_width, 3);
-
- dsc->chunk_size = dsc->slice_width * bpp / 8;
- if ((dsc->slice_width * bpp) % 8)
- dsc->chunk_size++;
-
- /* rbs-min */
- min_rate_buffer_size = dsc->rc_model_size - dsc->initial_offset +
- dsc->initial_xmit_delay * bpp +
- groups_per_line * dsc->first_line_bpg_offset;
-
- hrd_delay = DIV_ROUND_UP(min_rate_buffer_size, bpp);
-
- dsc->initial_dec_delay = hrd_delay - dsc->initial_xmit_delay;
-
- dsc->initial_scale_value = 8 * dsc->rc_model_size /
- (dsc->rc_model_size - dsc->initial_offset);
-
- slice_bits = 8 * dsc->chunk_size * dsc->slice_height;
-
- groups_total = groups_per_line * dsc->slice_height;
-
- data = dsc->first_line_bpg_offset * 2048;
-
- dsc->nfl_bpg_offset = DIV_ROUND_UP(data, (dsc->slice_height - 1));
-
- pre_num_extra_mux_bits = 3 * (mux_words_size + (4 * bpc + 4) - 2);
-
- num_extra_mux_bits = pre_num_extra_mux_bits - (mux_words_size -
- ((slice_bits - pre_num_extra_mux_bits) % mux_words_size));
-
- data = 2048 * (dsc->rc_model_size - dsc->initial_offset
- + num_extra_mux_bits);
- dsc->slice_bpg_offset = DIV_ROUND_UP(data, groups_total);
-
- /* bpp * 16 + 0.5 */
- data = bpp * 16;
- data *= 2;
- data++;
- data /= 2;
- target_bpp_x16 = data;
-
- data = (dsc->initial_xmit_delay * target_bpp_x16) / 16;
- final_value = dsc->rc_model_size - data + num_extra_mux_bits;
-
- final_scale = 8 * dsc->rc_model_size /
- (dsc->rc_model_size - final_value);
-
- dsc->final_offset = final_value;
-
- data = (final_scale - 9) * (dsc->nfl_bpg_offset +
- dsc->slice_bpg_offset);
- dsc->scale_increment_interval = (2048 * dsc->final_offset) / data;
-
- dsc->scale_decrement_interval = groups_per_line /
- (dsc->initial_scale_value - 8);
-
- return 0;
-}
-
-
-static int dsi_panel_parse_phy_timing(struct dsi_display_mode *mode,
- struct device_node *of_node)
-{
- const char *data;
- u32 len, i;
- int rc = 0;
- struct dsi_display_mode_priv_info *priv_info;
-
- priv_info = mode->priv_info;
-
- data = of_get_property(of_node,
- "qcom,mdss-dsi-panel-phy-timings", &len);
- if (!data) {
- pr_debug("Unable to read Phy timing settings");
- } else {
- priv_info->phy_timing_val =
- kzalloc((sizeof(u32) * len), GFP_KERNEL);
- if (!priv_info->phy_timing_val)
- return -EINVAL;
-
- for (i = 0; i < len; i++)
- priv_info->phy_timing_val[i] = data[i];
-
- priv_info->phy_timing_len = len;
- };
-
- mode->pixel_clk_khz = (DSI_H_TOTAL(&mode->timing) *
- DSI_V_TOTAL(&mode->timing) *
- mode->timing.refresh_rate) / 1000;
- return rc;
-}
-
-static int dsi_panel_parse_dsc_params(struct dsi_display_mode *mode,
- struct device_node *of_node)
-{
- u32 data;
- int rc = -EINVAL;
- int intf_width;
- const char *compression;
- struct dsi_display_mode_priv_info *priv_info;
-
- if (!mode || !mode->priv_info)
- return -EINVAL;
-
- priv_info = mode->priv_info;
-
- priv_info->dsc_enabled = false;
- compression = of_get_property(of_node, "qcom,compression-mode", NULL);
- if (compression && !strcmp(compression, "dsc"))
- priv_info->dsc_enabled = true;
-
- if (!priv_info->dsc_enabled) {
- pr_debug("dsc compression is not enabled for the mode");
- return 0;
- }
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsc-slice-height", &data);
- if (rc) {
- pr_err("failed to parse qcom,mdss-dsc-slice-height\n");
- goto error;
- }
- priv_info->dsc.slice_height = data;
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsc-slice-width", &data);
- if (rc) {
- pr_err("failed to parse qcom,mdss-dsc-slice-width\n");
- goto error;
- }
- priv_info->dsc.slice_width = data;
-
- intf_width = mode->timing.h_active;
- if (intf_width % priv_info->dsc.slice_width) {
- pr_err("invalid slice width for the panel\n");
- goto error;
- }
-
- priv_info->dsc.pic_width = mode->timing.h_active;
- priv_info->dsc.pic_height = mode->timing.v_active;
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsc-slice-per-pkt",
- &data);
- if (rc) {
- pr_err("failed to parse qcom,mdss-dsc-slice-per-pkt\n");
- goto error;
- }
- priv_info->dsc.slice_per_pkt = data;
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsc-bit-per-component",
- &data);
- if (rc) {
- pr_err("failed to parse qcom,mdss-dsc-bit-per-component\n");
- goto error;
- }
- priv_info->dsc.bpc = data;
-
- rc = of_property_read_u32(of_node, "qcom,mdss-dsc-bit-per-pixel",
- &data);
- if (rc) {
- pr_err("failed to parse qcom,mdss-dsc-bit-per-pixel\n");
- goto error;
- }
- priv_info->dsc.bpp = data;
-
- priv_info->dsc.block_pred_enable = of_property_read_bool(of_node,
- "qcom,mdss-dsc-block-prediction-enable");
-
- priv_info->dsc.full_frame_slices = DIV_ROUND_UP(intf_width,
- priv_info->dsc.slice_width);
-
- dsi_dsc_populate_static_param(&priv_info->dsc);
- dsi_dsc_pclk_param_calc(&priv_info->dsc, intf_width);
-
-error:
- return rc;
-}
-
-static int dsi_panel_parse_hdr_config(struct dsi_panel *panel,
- struct device_node *of_node)
-{
-
- int rc = 0;
- struct drm_panel_hdr_properties *hdr_prop;
-
- hdr_prop = &panel->hdr_props;
- hdr_prop->hdr_enabled = of_property_read_bool(of_node,
- "qcom,mdss-dsi-panel-hdr-enabled");
-
- if (hdr_prop->hdr_enabled) {
- rc = of_property_read_u32_array(of_node,
- "qcom,mdss-dsi-panel-hdr-color-primaries",
- hdr_prop->display_primaries,
- DISPLAY_PRIMARIES_MAX);
- if (rc) {
- pr_err("%s:%d, Unable to read color primaries,rc:%u",
- __func__, __LINE__, rc);
- hdr_prop->hdr_enabled = false;
- return rc;
- }
-
- rc = of_property_read_u32(of_node,
- "qcom,mdss-dsi-panel-peak-brightness",
- &(hdr_prop->peak_brightness));
- if (rc) {
- pr_err("%s:%d, Unable to read hdr brightness, rc:%u",
- __func__, __LINE__, rc);
- hdr_prop->hdr_enabled = false;
- return rc;
- }
-
- rc = of_property_read_u32(of_node,
- "qcom,mdss-dsi-panel-blackness-level",
- &(hdr_prop->blackness_level));
- if (rc) {
- pr_err("%s:%d, Unable to read hdr brightness, rc:%u",
- __func__, __LINE__, rc);
- hdr_prop->hdr_enabled = false;
- return rc;
- }
- }
- return 0;
-}
-
-static int dsi_panel_parse_topology(
- struct dsi_display_mode_priv_info *priv_info,
- struct device_node *of_node, int topology_override)
-{
- struct msm_display_topology *topology;
- u32 top_count, top_sel, *array = NULL;
- int i, len = 0;
- int rc = -EINVAL;
-
- len = of_property_count_u32_elems(of_node, "qcom,display-topology");
- if (len <= 0 || len % TOPOLOGY_SET_LEN ||
- len > (TOPOLOGY_SET_LEN * MAX_TOPOLOGY)) {
- pr_err("invalid topology list for the panel, rc = %d\n", rc);
- return rc;
- }
-
- top_count = len / TOPOLOGY_SET_LEN;
-
- array = kcalloc(len, sizeof(u32), GFP_KERNEL);
- if (!array)
- return -ENOMEM;
-
- rc = of_property_read_u32_array(of_node,
- "qcom,display-topology", array, len);
- if (rc) {
- pr_err("unable to read the display topologies, rc = %d\n", rc);
- goto read_fail;
- }
-
- topology = kcalloc(top_count, sizeof(*topology), GFP_KERNEL);
- if (!topology) {
- rc = -ENOMEM;
- goto read_fail;
- }
-
- for (i = 0; i < top_count; i++) {
- struct msm_display_topology *top = &topology[i];
-
- top->num_lm = array[i * TOPOLOGY_SET_LEN];
- top->num_enc = array[i * TOPOLOGY_SET_LEN + 1];
- top->num_intf = array[i * TOPOLOGY_SET_LEN + 2];
- };
-
- if (topology_override >= 0 && topology_override < top_count) {
- pr_debug("override topology: cfg:%d lm:%d comp_enc:%d intf:%d\n",
- topology_override,
- topology[topology_override].num_lm,
- topology[topology_override].num_enc,
- topology[topology_override].num_intf);
- top_sel = topology_override;
- goto parse_done;
- }
-
- rc = of_property_read_u32(of_node,
- "qcom,default-topology-index", &top_sel);
- if (rc) {
- pr_err("no default topology selected, rc = %d\n", rc);
- goto parse_fail;
- }
-
- if (top_sel >= top_count) {
- rc = -EINVAL;
- pr_err("default topology is specified is not valid, rc = %d\n",
- rc);
- goto parse_fail;
- }
-
- pr_debug("default topology: lm: %d comp_enc:%d intf: %d\n",
- topology[top_sel].num_lm,
- topology[top_sel].num_enc,
- topology[top_sel].num_intf);
-
-parse_done:
- memcpy(&priv_info->topology, &topology[top_sel],
- sizeof(struct msm_display_topology));
-parse_fail:
- kfree(topology);
-read_fail:
- kfree(array);
-
- return rc;
-}
-
-static int dsi_panel_parse_dms_info(struct dsi_panel *panel,
- struct device_node *of_node)
-{
- int dms_enabled;
- const char *data;
-
- if (!of_node || !panel) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- panel->dms_mode = DSI_DMS_MODE_DISABLED;
- dms_enabled = of_property_read_bool(of_node,
- "qcom,dynamic-mode-switch-enabled");
- if (!dms_enabled)
- return 0;
-
- data = of_get_property(of_node, "qcom,dynamic-mode-switch-type", NULL);
- if (data && !strcmp(data, "dynamic-resolution-switch-immediate")) {
- panel->dms_mode = DSI_DMS_MODE_RES_SWITCH_IMMEDIATE;
- } else {
- pr_err("[%s] unsupported dynamic switch mode: %s\n",
- panel->name, data);
- return -EINVAL;
- }
-
- return 0;
-};
-
-/*
- * The length of all the valid values to be checked should not be greater
- * than the length of returned data from read command.
- */
-static bool
-dsi_panel_parse_esd_check_valid_params(struct dsi_panel *panel, u32 count)
-{
- int i;
- struct drm_panel_esd_config *config = &panel->esd_config;
-
- for (i = 0; i < count; ++i) {
- if (config->status_valid_params[i] >
- config->status_cmds_rlen[i]) {
- pr_debug("ignore valid params\n");
- return false;
- }
- }
-
- return true;
-}
-
-static bool dsi_panel_parse_esd_status_len(struct device_node *np,
- char *prop_key, u32 **target, u32 cmd_cnt)
-{
- int tmp;
-
- if (!of_find_property(np, prop_key, &tmp))
- return false;
-
- tmp /= sizeof(u32);
- if (tmp != cmd_cnt) {
- pr_err("request property(%d) do not match cmd count(%d)\n",
- tmp, cmd_cnt);
- return false;
- }
-
- *target = kcalloc(tmp, sizeof(u32), GFP_KERNEL);
- if (IS_ERR_OR_NULL(*target)) {
- pr_err("Error allocating memory for property\n");
- return false;
- }
-
- if (of_property_read_u32_array(np, prop_key, *target, tmp)) {
- pr_err("cannot get values from dts\n");
- kfree(*target);
- *target = NULL;
- return false;
- }
-
- return true;
-}
-
-static void dsi_panel_esd_config_deinit(struct drm_panel_esd_config *esd_config)
-{
- kfree(esd_config->return_buf);
- kfree(esd_config->status_value);
- kfree(esd_config->status_valid_params);
- kfree(esd_config->status_cmds_rlen);
- kfree(esd_config->status_cmd.cmds);
-}
-
-static int dsi_panel_parse_esd_config(struct dsi_panel *panel,
- struct device_node *of_node)
-{
- int rc = 0;
- u32 tmp;
- u32 i, status_len, *lenp;
- struct property *data;
- const char *string;
- struct drm_panel_esd_config *esd_config;
-
- esd_config = &panel->esd_config;
- esd_config->esd_enabled = of_property_read_bool(of_node,
- "qcom,esd-check-enabled");
-
- if (!esd_config->esd_enabled)
- return 0;
-
- rc = of_property_read_string(of_node,
- "qcom,mdss-dsi-panel-status-check-mode", &string);
- if (!rc) {
- if (!strcmp(string, "bta_check")) {
- esd_config->status_mode = ESD_MODE_SW_BTA;
- } else if (!strcmp(string, "reg_read")) {
- esd_config->status_mode = ESD_MODE_REG_READ;
- } else if (!strcmp(string, "te_signal_check")) {
- if (panel->panel_mode == DSI_OP_CMD_MODE) {
- esd_config->status_mode = ESD_MODE_PANEL_TE;
- } else {
- pr_err("TE-ESD not valid for video mode\n");
- rc = -EINVAL;
- goto error;
- }
- } else {
- pr_err("No valid panel-status-check-mode string\n");
- rc = -EINVAL;
- goto error;
- }
- } else {
- pr_debug("status check method not defined!\n");
- rc = -EINVAL;
- goto error;
- }
-
- if ((esd_config->status_mode == ESD_MODE_SW_BTA) ||
- (esd_config->status_mode == ESD_MODE_PANEL_TE))
- return 0;
-
- dsi_panel_parse_cmd_sets_sub(&esd_config->status_cmd,
- DSI_CMD_SET_PANEL_STATUS, of_node);
- if (!esd_config->status_cmd.count) {
- pr_err("panel status command parsing failed\n");
- rc = -EINVAL;
- goto error;
- }
-
- if (!dsi_panel_parse_esd_status_len(of_node,
- "qcom,mdss-dsi-panel-status-read-length",
- &panel->esd_config.status_cmds_rlen,
- esd_config->status_cmd.count)) {
- pr_err("Invalid status read length\n");
- rc = -EINVAL;
- goto error1;
- }
-
- if (dsi_panel_parse_esd_status_len(of_node,
- "qcom,mdss-dsi-panel-status-valid-params",
- &panel->esd_config.status_valid_params,
- esd_config->status_cmd.count)) {
- if (!dsi_panel_parse_esd_check_valid_params(panel,
- esd_config->status_cmd.count)) {
- rc = -EINVAL;
- goto error2;
- }
- }
-
- status_len = 0;
- lenp = esd_config->status_valid_params ?: esd_config->status_cmds_rlen;
- for (i = 0; i < esd_config->status_cmd.count; ++i)
- status_len += lenp[i];
-
- if (!status_len) {
- rc = -EINVAL;
- goto error2;
- }
-
- /*
- * Some panel may need multiple read commands to properly
- * check panel status. Do a sanity check for proper status
- * value which will be compared with the value read by dsi
- * controller during ESD check. Also check if multiple read
- * commands are there then, there should be corresponding
- * status check values for each read command.
- */
- data = of_find_property(of_node,
- "qcom,mdss-dsi-panel-status-value", &tmp);
- tmp /= sizeof(u32);
- if (!IS_ERR_OR_NULL(data) && tmp != 0 && (tmp % status_len) == 0) {
- esd_config->groups = tmp / status_len;
- } else {
- pr_err("error parse panel-status-value\n");
- rc = -EINVAL;
- goto error2;
- }
-
- esd_config->status_value =
- kzalloc(sizeof(u32) * status_len * esd_config->groups,
- GFP_KERNEL);
- if (!esd_config->status_value) {
- rc = -ENOMEM;
- goto error2;
- }
-
- esd_config->return_buf = kcalloc(status_len * esd_config->groups,
- sizeof(unsigned char), GFP_KERNEL);
- if (!esd_config->return_buf) {
- rc = -ENOMEM;
- goto error3;
- }
-
- rc = of_property_read_u32_array(of_node,
- "qcom,mdss-dsi-panel-status-value",
- esd_config->status_value, esd_config->groups * status_len);
- if (rc) {
- pr_debug("error reading panel status values\n");
- memset(esd_config->status_value, 0,
- esd_config->groups * status_len);
- }
-
- return 0;
-
-error3:
- kfree(esd_config->status_value);
-error2:
- kfree(esd_config->status_valid_params);
- kfree(esd_config->status_cmds_rlen);
-error1:
- kfree(esd_config->status_cmd.cmds);
-error:
- panel->esd_config.esd_enabled = false;
- return rc;
-}
-
-struct dsi_panel *dsi_panel_get(struct device *parent,
- struct device_node *of_node,
- int topology_override)
-{
- struct dsi_panel *panel;
- int rc = 0;
-
- panel = kzalloc(sizeof(*panel), GFP_KERNEL);
- if (!panel)
- return ERR_PTR(-ENOMEM);
-
- panel->name = of_get_property(of_node, "qcom,mdss-dsi-panel-name",
- NULL);
- if (!panel->name)
- panel->name = DSI_PANEL_DEFAULT_LABEL;
-
- rc = dsi_panel_parse_host_config(panel, of_node);
- if (rc) {
- pr_err("failed to parse host configuration, rc=%d\n", rc);
- goto error;
- }
-
- rc = dsi_panel_parse_panel_mode(panel, of_node);
- if (rc) {
- pr_err("failed to parse panel mode configuration, rc=%d\n", rc);
- goto error;
- }
-
- rc = dsi_panel_parse_dfps_caps(&panel->dfps_caps, of_node, panel->name);
- if (rc)
- pr_err("failed to parse dfps configuration, rc=%d\n", rc);
-
- rc = dsi_panel_parse_phy_props(&panel->phy_props, of_node, panel->name);
- if (rc) {
- pr_err("failed to parse panel physical dimension, rc=%d\n", rc);
- goto error;
- }
-
- rc = dsi_panel_parse_power_cfg(parent, panel, of_node);
- if (rc)
- pr_err("failed to parse power config, rc=%d\n", rc);
-
- rc = dsi_panel_parse_gpios(panel, of_node);
- if (rc)
- pr_err("failed to parse panel gpios, rc=%d\n", rc);
-
- rc = dsi_panel_parse_bl_config(panel, of_node);
- if (rc)
- pr_err("failed to parse backlight config, rc=%d\n", rc);
-
-
- rc = dsi_panel_parse_misc_features(panel, of_node);
- if (rc)
- pr_err("failed to parse misc features, rc=%d\n", rc);
-
- rc = dsi_panel_parse_hdr_config(panel, of_node);
- if (rc)
- pr_err("failed to parse hdr config, rc=%d\n", rc);
-
- rc = dsi_panel_get_mode_count(panel, of_node);
- if (rc) {
- pr_err("failed to get mode count, rc=%d\n", rc);
- goto error;
- }
-
- rc = dsi_panel_parse_dms_info(panel, of_node);
- if (rc)
- pr_debug("failed to get dms info, rc=%d\n", rc);
-
- rc = dsi_panel_parse_esd_config(panel, of_node);
- if (rc) {
- pr_debug("failed to parse esd config, rc=%d\n", rc);
- } else {
- u8 *esd_mode = NULL;
-
- if (panel->esd_config.status_mode == ESD_MODE_REG_READ)
- esd_mode = "register_read";
- else if (panel->esd_config.status_mode == ESD_MODE_SW_BTA)
- esd_mode = "bta_trigger";
- else if (panel->esd_config.status_mode == ESD_MODE_PANEL_TE)
- esd_mode = "te_check";
-
- pr_info("ESD enabled with mode: %s\n", esd_mode);
- }
-
- panel->panel_of_node = of_node;
- drm_panel_init(&panel->drm_panel);
- mutex_init(&panel->panel_lock);
- panel->parent = parent;
- return panel;
-error:
- kfree(panel);
- return ERR_PTR(rc);
-}
-
-void dsi_panel_put(struct dsi_panel *panel)
-{
- /* free resources allocated for ESD check */
- dsi_panel_esd_config_deinit(&panel->esd_config);
-
- kfree(panel);
-}
-
-int dsi_panel_drv_init(struct dsi_panel *panel,
- struct mipi_dsi_host *host)
-{
- int rc = 0;
- struct mipi_dsi_device *dev;
-
- if (!panel || !host) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- dev = &panel->mipi_device;
-
- dev->host = host;
- /*
- * We dont have device structure since panel is not a device node.
- * When using drm panel framework, the device is probed when the host is
- * create.
- */
- dev->channel = 0;
- dev->lanes = 4;
-
- panel->host = host;
- rc = dsi_panel_vreg_get(panel);
- if (rc) {
- pr_err("[%s] failed to get panel regulators, rc=%d\n",
- panel->name, rc);
- goto exit;
- }
-
- rc = dsi_panel_pinctrl_init(panel);
- if (rc) {
- pr_err("[%s] failed to init pinctrl, rc=%d\n", panel->name, rc);
- goto error_vreg_put;
- }
-
- rc = dsi_panel_gpio_request(panel);
- if (rc) {
- pr_err("[%s] failed to request gpios, rc=%d\n", panel->name,
- rc);
- goto error_pinctrl_deinit;
- }
-
- rc = dsi_panel_bl_register(panel);
- if (rc) {
- if (rc != -EPROBE_DEFER)
- pr_err("[%s] failed to register backlight, rc=%d\n",
- panel->name, rc);
- goto error_gpio_release;
- }
-
- goto exit;
-
-error_gpio_release:
- (void)dsi_panel_gpio_release(panel);
-error_pinctrl_deinit:
- (void)dsi_panel_pinctrl_deinit(panel);
-error_vreg_put:
- (void)dsi_panel_vreg_put(panel);
-exit:
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_drv_deinit(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (!panel) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- rc = dsi_panel_bl_unregister(panel);
- if (rc)
- pr_err("[%s] failed to unregister backlight, rc=%d\n",
- panel->name, rc);
-
- rc = dsi_panel_gpio_release(panel);
- if (rc)
- pr_err("[%s] failed to release gpios, rc=%d\n", panel->name,
- rc);
-
- rc = dsi_panel_pinctrl_deinit(panel);
- if (rc)
- pr_err("[%s] failed to deinit gpios, rc=%d\n", panel->name,
- rc);
-
- rc = dsi_panel_vreg_put(panel);
- if (rc)
- pr_err("[%s] failed to put regs, rc=%d\n", panel->name, rc);
-
- panel->host = NULL;
- memset(&panel->mipi_device, 0x0, sizeof(panel->mipi_device));
-
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_validate_mode(struct dsi_panel *panel,
- struct dsi_display_mode *mode)
-{
- return 0;
-}
-
-int dsi_panel_get_mode_count(struct dsi_panel *panel,
- struct device_node *of_node)
-{
- const u32 SINGLE_MODE_SUPPORT = 1;
- struct device_node *timings_np;
- int count, rc = 0;
-
- if (!of_node || !panel) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- panel->num_timing_nodes = 0;
-
- timings_np = of_get_child_by_name(of_node,
- "qcom,mdss-dsi-display-timings");
- if (!timings_np) {
- pr_err("no display timing nodes defined\n");
- rc = -EINVAL;
- goto error;
- }
-
- count = of_get_child_count(timings_np);
- if (!count || count > DSI_MODE_MAX) {
- pr_err("invalid count of timing nodes: %d\n", count);
- rc = -EINVAL;
- goto error;
- }
-
- /* No multiresolution support is available for video mode panels */
- if (panel->panel_mode != DSI_OP_CMD_MODE)
- count = SINGLE_MODE_SUPPORT;
-
- panel->num_timing_nodes = count;
-
-error:
- return rc;
-}
-
-int dsi_panel_get_phy_props(struct dsi_panel *panel,
- struct dsi_panel_phy_props *phy_props)
-{
- int rc = 0;
-
- if (!panel || !phy_props) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- memcpy(phy_props, &panel->phy_props, sizeof(*phy_props));
-
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_get_dfps_caps(struct dsi_panel *panel,
- struct dsi_dfps_capabilities *dfps_caps)
-{
- int rc = 0;
-
- if (!panel || !dfps_caps) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- memcpy(dfps_caps, &panel->dfps_caps, sizeof(*dfps_caps));
-
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-void dsi_panel_put_mode(struct dsi_display_mode *mode)
-{
- int i;
-
- if (!mode->priv_info)
- return;
-
- for (i = 0; i < DSI_CMD_SET_MAX; i++)
- dsi_panel_destroy_cmd_packets(&mode->priv_info->cmd_sets[i]);
-
- kfree(mode->priv_info);
-}
-
-int dsi_panel_get_mode(struct dsi_panel *panel,
- u32 index, struct dsi_display_mode *mode,
- int topology_override)
-{
- struct device_node *timings_np, *child_np;
- struct dsi_display_mode_priv_info *prv_info;
- u32 child_idx = 0;
- int rc = 0, num_timings;
-
- if (!panel || !mode) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- mode->priv_info = kzalloc(sizeof(*mode->priv_info), GFP_KERNEL);
- if (!mode->priv_info) {
- rc = -ENOMEM;
- goto done;
- }
-
- prv_info = mode->priv_info;
-
- timings_np = of_get_child_by_name(panel->panel_of_node,
- "qcom,mdss-dsi-display-timings");
- if (!timings_np) {
- pr_err("no display timing nodes defined\n");
- rc = -EINVAL;
- goto parse_fail;
- }
-
- num_timings = of_get_child_count(timings_np);
- if (!num_timings || num_timings > DSI_MODE_MAX) {
- pr_err("invalid count of timing nodes: %d\n", num_timings);
- rc = -EINVAL;
- goto parse_fail;
- }
-
- for_each_child_of_node(timings_np, child_np) {
- if (index != child_idx++)
- continue;
-
- rc = dsi_panel_parse_timing(&mode->timing, child_np);
- if (rc) {
- pr_err("failed to parse panel timing, rc=%d\n", rc);
- goto parse_fail;
- }
-
- rc = dsi_panel_parse_dsc_params(mode, child_np);
- if (rc) {
- pr_err("failed to parse dsc params, rc=%d\n", rc);
- goto parse_fail;
- }
-
- rc = dsi_panel_parse_topology(prv_info, child_np,
- topology_override);
- if (rc) {
- pr_err("failed to parse panel topology, rc=%d\n", rc);
- goto parse_fail;
- }
-
- rc = dsi_panel_parse_cmd_sets(prv_info, child_np);
- if (rc) {
- pr_err("failed to parse command sets, rc=%d\n", rc);
- goto parse_fail;
- }
-
- rc = dsi_panel_parse_jitter_config(mode, child_np);
- if (rc)
- pr_err(
- "failed to parse panel jitter config, rc=%d\n", rc);
-
- rc = dsi_panel_parse_phy_timing(mode, child_np);
- if (rc) {
- pr_err(
- "failed to parse panel phy timings, rc=%d\n", rc);
- goto parse_fail;
- }
- }
- goto done;
-
-parse_fail:
- kfree(mode->priv_info);
- mode->priv_info = NULL;
-done:
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_get_host_cfg_for_mode(struct dsi_panel *panel,
- struct dsi_display_mode *mode,
- struct dsi_host_config *config)
-{
- int rc = 0;
-
- if (!panel || !mode || !config) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- config->panel_mode = panel->panel_mode;
- memcpy(&config->common_config, &panel->host_config,
- sizeof(config->common_config));
-
- if (panel->panel_mode == DSI_OP_VIDEO_MODE) {
- memcpy(&config->u.video_engine, &panel->video_config,
- sizeof(config->u.video_engine));
- } else {
- memcpy(&config->u.cmd_engine, &panel->cmd_config,
- sizeof(config->u.cmd_engine));
- }
-
- memcpy(&config->video_timing, &mode->timing,
- sizeof(config->video_timing));
- config->video_timing.dsc_enabled = mode->priv_info->dsc_enabled;
- config->video_timing.dsc = &mode->priv_info->dsc;
-
- config->esc_clk_rate_hz = 19200000;
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_pre_prepare(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (!panel) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- /* If LP11_INIT is set, panel will be powered up during prepare() */
- if (panel->lp11_init)
- goto error;
-
- rc = dsi_panel_power_on(panel);
- if (rc) {
- pr_err("[%s] panel power on failed, rc=%d\n", panel->name, rc);
- goto error;
- }
-
-error:
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_update_pps(struct dsi_panel *panel)
-{
- int rc = 0;
- struct dsi_panel_cmd_set *set = NULL;
- struct dsi_display_mode_priv_info *priv_info = NULL;
-
- if (!panel || !panel->cur_mode) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- priv_info = panel->cur_mode->priv_info;
-
- set = &priv_info->cmd_sets[DSI_CMD_SET_PPS];
-
- dsi_dsc_create_pps_buf_cmd(&priv_info->dsc, panel->dsc_pps_cmd, 0);
- rc = dsi_panel_create_cmd_packets(panel->dsc_pps_cmd,
- DSI_CMD_PPS_SIZE, 1, set->cmds);
- if (rc) {
- pr_err("failed to create cmd packets, rc=%d\n", rc);
- goto error;
- }
-
- rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_PPS);
- if (rc) {
- pr_err("[%s] failed to send DSI_CMD_SET_PPS cmds, rc=%d\n",
- panel->name, rc);
- goto error;
- }
-
-error:
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_set_lp1(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (!panel) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
- rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_LP1);
- if (rc)
- pr_err("[%s] failed to send DSI_CMD_SET_LP1 cmd, rc=%d\n",
- panel->name, rc);
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_set_lp2(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (!panel) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
- rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_LP2);
- if (rc)
- pr_err("[%s] failed to send DSI_CMD_SET_LP2 cmd, rc=%d\n",
- panel->name, rc);
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_set_nolp(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (!panel) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
- rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_NOLP);
- if (rc)
- pr_err("[%s] failed to send DSI_CMD_SET_NOLP cmd, rc=%d\n",
- panel->name, rc);
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_prepare(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (!panel) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- if (panel->lp11_init) {
- rc = dsi_panel_power_on(panel);
- if (rc) {
- pr_err("[%s] panel power on failed, rc=%d\n",
- panel->name, rc);
- goto error;
- }
- }
-
- rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_PRE_ON);
- if (rc) {
- pr_err("[%s] failed to send DSI_CMD_SET_PRE_ON cmds, rc=%d\n",
- panel->name, rc);
- goto error;
- }
-
-error:
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_switch(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (!panel) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_TIMING_SWITCH);
- if (rc)
- pr_err("[%s] failed to send DSI_CMD_SET_TIMING_SWITCH cmds, rc=%d\n",
- panel->name, rc);
-
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_post_switch(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (!panel) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_POST_TIMING_SWITCH);
- if (rc)
- pr_err("[%s] failed to send DSI_CMD_SET_POST_TIMING_SWITCH cmds, rc=%d\n",
- panel->name, rc);
-
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_enable(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (!panel) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_ON);
- if (rc) {
- pr_err("[%s] failed to send DSI_CMD_SET_ON cmds, rc=%d\n",
- panel->name, rc);
- }
- panel->panel_initialized = true;
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_post_enable(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (!panel) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_POST_ON);
- if (rc) {
- pr_err("[%s] failed to send DSI_CMD_SET_POST_ON cmds, rc=%d\n",
- panel->name, rc);
- goto error;
- }
-error:
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_pre_disable(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (!panel) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_PRE_OFF);
- if (rc) {
- pr_err("[%s] failed to send DSI_CMD_SET_PRE_OFF cmds, rc=%d\n",
- panel->name, rc);
- goto error;
- }
-
-error:
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_disable(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (!panel) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_OFF);
- if (rc) {
- pr_err("[%s] failed to send DSI_CMD_SET_OFF cmds, rc=%d\n",
- panel->name, rc);
- goto error;
- }
- panel->panel_initialized = false;
-
-error:
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_unprepare(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (!panel) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_POST_OFF);
- if (rc) {
- pr_err("[%s] failed to send DSI_CMD_SET_POST_OFF cmds, rc=%d\n",
- panel->name, rc);
- goto error;
- }
-
- if (panel->lp11_init) {
- rc = dsi_panel_power_off(panel);
- if (rc) {
- pr_err("[%s] panel power_Off failed, rc=%d\n",
- panel->name, rc);
- goto error;
- }
- }
-error:
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
-
-int dsi_panel_post_unprepare(struct dsi_panel *panel)
-{
- int rc = 0;
-
- if (!panel) {
- pr_err("invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&panel->panel_lock);
-
- if (!panel->lp11_init) {
- rc = dsi_panel_power_off(panel);
- if (rc) {
- pr_err("[%s] panel power_Off failed, rc=%d\n",
- panel->name, rc);
- goto error;
- }
- }
-error:
- mutex_unlock(&panel->panel_lock);
- return rc;
-}
deleted file mode 100644
@@ -1,257 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _DSI_PANEL_H_
-#define _DSI_PANEL_H_
-
-#include <linux/of_device.h>
-#include <linux/types.h>
-#include <linux/bitops.h>
-#include <linux/errno.h>
-#include <linux/leds.h>
-#include <drm/drm_panel.h>
-#include <drm/msm_drm.h>
-
-#include "dsi_defs.h"
-#include "dsi_ctrl_hw.h"
-#include "dsi_clk.h"
-#include "dsi_pwr.h"
-#include "msm_drv.h"
-
-#define MAX_BL_LEVEL 4096
-#define MAX_BL_SCALE_LEVEL 1024
-#define MAX_AD_BL_SCALE_LEVEL 65535
-#define DSI_CMD_PPS_SIZE 135
-
-#define DSI_MODE_MAX 5
-
-enum dsi_panel_rotation {
- DSI_PANEL_ROTATE_NONE = 0,
- DSI_PANEL_ROTATE_HV_FLIP,
- DSI_PANEL_ROTATE_H_FLIP,
- DSI_PANEL_ROTATE_V_FLIP
-};
-
-enum dsi_backlight_type {
- DSI_BACKLIGHT_PWM = 0,
- DSI_BACKLIGHT_WLED,
- DSI_BACKLIGHT_DCS,
- DSI_BACKLIGHT_UNKNOWN,
- DSI_BACKLIGHT_MAX,
-};
-
-enum {
- MODE_GPIO_NOT_VALID = 0,
- MODE_SEL_DUAL_PORT,
- MODE_SEL_SINGLE_PORT,
- MODE_GPIO_HIGH,
- MODE_GPIO_LOW,
-};
-
-enum dsi_dms_mode {
- DSI_DMS_MODE_DISABLED = 0,
- DSI_DMS_MODE_RES_SWITCH_IMMEDIATE,
-};
-
-struct dsi_dfps_capabilities {
- bool dfps_support;
- enum dsi_dfps_type type;
- u32 min_refresh_rate;
- u32 max_refresh_rate;
-};
-
-struct dsi_pinctrl_info {
- struct pinctrl *pinctrl;
- struct pinctrl_state *active;
- struct pinctrl_state *suspend;
-};
-
-struct dsi_panel_phy_props {
- u32 panel_width_mm;
- u32 panel_height_mm;
- enum dsi_panel_rotation rotation;
-};
-
-struct dsi_backlight_config {
- enum dsi_backlight_type type;
-
- u32 bl_min_level;
- u32 bl_max_level;
- u32 brightness_max_level;
- u32 bl_level;
- u32 bl_scale;
- u32 bl_scale_ad;
-
- int en_gpio;
- /* PWM params */
- bool pwm_pmi_control;
- u32 pwm_pmic_bank;
- u32 pwm_period_usecs;
- int pwm_gpio;
-
- /* WLED params */
- struct led_trigger *wled;
- struct backlight_device *bd;
-};
-
-struct dsi_reset_seq {
- u32 level;
- u32 sleep_ms;
-};
-
-struct dsi_panel_reset_config {
- struct dsi_reset_seq *sequence;
- u32 count;
-
- int reset_gpio;
- int disp_en_gpio;
- int lcd_mode_sel_gpio;
- u32 mode_sel_state;
-};
-
-enum esd_check_status_mode {
- ESD_MODE_REG_READ,
- ESD_MODE_SW_BTA,
- ESD_MODE_PANEL_TE,
- ESD_MODE_MAX
-};
-
-struct drm_panel_esd_config {
- bool esd_enabled;
-
- enum esd_check_status_mode status_mode;
- struct dsi_panel_cmd_set status_cmd;
- u32 *status_cmds_rlen;
- u32 *status_valid_params;
- u32 *status_value;
- unsigned char *return_buf;
- u32 groups;
-};
-
-struct dsi_panel {
- const char *name;
- struct device_node *panel_of_node;
- struct mipi_dsi_device mipi_device;
-
- struct mutex panel_lock;
- struct drm_panel drm_panel;
- struct mipi_dsi_host *host;
- struct device *parent;
-
- struct dsi_host_common_cfg host_config;
- struct dsi_video_engine_cfg video_config;
- struct dsi_cmd_engine_cfg cmd_config;
- enum dsi_op_mode panel_mode;
-
- struct dsi_dfps_capabilities dfps_caps;
- struct dsi_panel_phy_props phy_props;
-
- struct dsi_display_mode *cur_mode;
- u32 num_timing_nodes;
-
- struct dsi_regulator_info power_info;
- struct dsi_backlight_config bl_config;
- struct dsi_panel_reset_config reset_config;
- struct dsi_pinctrl_info pinctrl;
- struct drm_panel_hdr_properties hdr_props;
- struct drm_panel_esd_config esd_config;
-
- bool lp11_init;
- bool ulps_enabled;
- bool allow_phy_power_off;
-
- bool panel_initialized;
- bool te_using_watchdog_timer;
-
- char dsc_pps_cmd[DSI_CMD_PPS_SIZE];
- enum dsi_dms_mode dms_mode;
-
- bool sync_broadcast_en;
-};
-
-static inline bool dsi_panel_ulps_feature_enabled(struct dsi_panel *panel)
-{
- return panel->ulps_enabled;
-}
-
-static inline bool dsi_panel_initialized(struct dsi_panel *panel)
-{
- return panel->panel_initialized;
-}
-
-struct dsi_panel *dsi_panel_get(struct device *parent,
- struct device_node *of_node,
- int topology_override);
-
-void dsi_panel_put(struct dsi_panel *panel);
-
-int dsi_panel_drv_init(struct dsi_panel *panel, struct mipi_dsi_host *host);
-
-int dsi_panel_drv_deinit(struct dsi_panel *panel);
-
-int dsi_panel_get_mode_count(struct dsi_panel *panel,
- struct device_node *of_node);
-
-void dsi_panel_put_mode(struct dsi_display_mode *mode);
-
-int dsi_panel_get_mode(struct dsi_panel *panel,
- u32 index,
- struct dsi_display_mode *mode,
- int topology_override);
-
-int dsi_panel_validate_mode(struct dsi_panel *panel,
- struct dsi_display_mode *mode);
-
-int dsi_panel_get_host_cfg_for_mode(struct dsi_panel *panel,
- struct dsi_display_mode *mode,
- struct dsi_host_config *config);
-
-int dsi_panel_get_phy_props(struct dsi_panel *panel,
- struct dsi_panel_phy_props *phy_props);
-int dsi_panel_get_dfps_caps(struct dsi_panel *panel,
- struct dsi_dfps_capabilities *dfps_caps);
-
-int dsi_panel_pre_prepare(struct dsi_panel *panel);
-
-int dsi_panel_set_lp1(struct dsi_panel *panel);
-
-int dsi_panel_set_lp2(struct dsi_panel *panel);
-
-int dsi_panel_set_nolp(struct dsi_panel *panel);
-
-int dsi_panel_prepare(struct dsi_panel *panel);
-
-int dsi_panel_enable(struct dsi_panel *panel);
-
-int dsi_panel_post_enable(struct dsi_panel *panel);
-
-int dsi_panel_pre_disable(struct dsi_panel *panel);
-
-int dsi_panel_disable(struct dsi_panel *panel);
-
-int dsi_panel_unprepare(struct dsi_panel *panel);
-
-int dsi_panel_post_unprepare(struct dsi_panel *panel);
-
-int dsi_panel_set_backlight(struct dsi_panel *panel, u32 bl_lvl);
-
-int dsi_panel_update_pps(struct dsi_panel *panel);
-
-int dsi_panel_switch(struct dsi_panel *panel);
-
-int dsi_panel_post_switch(struct dsi_panel *panel);
-
-void dsi_dsc_pclk_param_calc(struct msm_display_dsc_info *dsc, int intf_width);
-
-#endif /* _DSI_PANEL_H_ */
deleted file mode 100644
@@ -1,937 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#define pr_fmt(fmt) "msm-dsi-phy:[%s] " fmt, __func__
-
-#include <linux/of_device.h>
-#include <linux/err.h>
-#include <linux/regulator/consumer.h>
-#include <linux/clk.h>
-#ifdef CONFIG_QCOM_BUS_SCALING
-#include <linux/msm-bus.h>
-#endif
-#include <linux/list.h>
-
-#include "msm_drv.h"
-#include "msm_kms.h"
-#include "msm_gpu.h"
-#include "dsi_phy.h"
-#include "dsi_phy_hw.h"
-#include "dsi_clk.h"
-#include "dsi_pwr.h"
-#include "dsi_catalog.h"
-
-#include "dpu_dbg.h"
-
-#define DSI_PHY_DEFAULT_LABEL "MDSS PHY CTRL"
-
-struct dsi_phy_list_item {
- struct msm_dsi_phy *phy;
- struct list_head list;
-};
-
-static LIST_HEAD(dsi_phy_list);
-static DEFINE_MUTEX(dsi_phy_list_lock);
-
-static const struct dsi_ver_spec_info dsi_phy_v0_0_hpm = {
- .version = DSI_PHY_VERSION_0_0_HPM,
- .lane_cfg_count = 4,
- .strength_cfg_count = 2,
- .regulator_cfg_count = 1,
- .timing_cfg_count = 8,
-};
-static const struct dsi_ver_spec_info dsi_phy_v0_0_lpm = {
- .version = DSI_PHY_VERSION_0_0_LPM,
- .lane_cfg_count = 4,
- .strength_cfg_count = 2,
- .regulator_cfg_count = 1,
- .timing_cfg_count = 8,
-};
-static const struct dsi_ver_spec_info dsi_phy_v1_0 = {
- .version = DSI_PHY_VERSION_1_0,
- .lane_cfg_count = 4,
- .strength_cfg_count = 2,
- .regulator_cfg_count = 1,
- .timing_cfg_count = 8,
-};
-static const struct dsi_ver_spec_info dsi_phy_v2_0 = {
- .version = DSI_PHY_VERSION_2_0,
- .lane_cfg_count = 4,
- .strength_cfg_count = 2,
- .regulator_cfg_count = 1,
- .timing_cfg_count = 8,
-};
-static const struct dsi_ver_spec_info dsi_phy_v3_0 = {
- .version = DSI_PHY_VERSION_3_0,
- .lane_cfg_count = 4,
- .strength_cfg_count = 2,
- .regulator_cfg_count = 0,
- .timing_cfg_count = 12,
-};
-
-static const struct of_device_id msm_dsi_phy_of_match[] = {
- { .compatible = "qcom,dsi-phy-v0.0-hpm",
- .data = &dsi_phy_v0_0_hpm,},
- { .compatible = "qcom,dsi-phy-v0.0-lpm",
- .data = &dsi_phy_v0_0_lpm,},
- { .compatible = "qcom,dsi-phy-v1.0",
- .data = &dsi_phy_v1_0,},
- { .compatible = "qcom,dsi-phy-v2.0",
- .data = &dsi_phy_v2_0,},
- { .compatible = "qcom,dsi-phy-v3.0",
- .data = &dsi_phy_v3_0,},
- {}
-};
-
-static int dsi_phy_regmap_init(struct platform_device *pdev,
- struct msm_dsi_phy *phy)
-{
- int rc = 0;
- void __iomem *ptr;
-
- ptr = msm_ioremap(pdev, "dsi_phy", phy->name);
- if (IS_ERR(ptr)) {
- rc = PTR_ERR(ptr);
- return rc;
- }
-
- phy->hw.base = ptr;
-
- pr_debug("[%s] map dsi_phy registers to %p\n", phy->name, phy->hw.base);
-
- return rc;
-}
-
-static int dsi_phy_regmap_deinit(struct msm_dsi_phy *phy)
-{
- pr_debug("[%s] unmap registers\n", phy->name);
- return 0;
-}
-
-static int dsi_phy_supplies_init(struct platform_device *pdev,
- struct msm_dsi_phy *phy)
-{
- int rc = 0;
- int i = 0;
- struct dsi_regulator_info *regs;
- struct regulator *vreg = NULL;
-
- regs = &phy->pwr_info.digital;
- regs->vregs = devm_kzalloc(&pdev->dev, sizeof(struct dsi_vreg),
- GFP_KERNEL);
- if (!regs->vregs)
- goto error;
-
- regs->count = 1;
- snprintf(regs->vregs->vreg_name,
- ARRAY_SIZE(regs->vregs[i].vreg_name),
- "%s", "gdsc");
-
- rc = dsi_pwr_get_dt_vreg_data(&pdev->dev,
- &phy->pwr_info.phy_pwr,
- "qcom,phy-supply-entries");
- if (rc) {
- pr_err("failed to get host power supplies, rc = %d\n", rc);
- goto error_digital;
- }
-
- regs = &phy->pwr_info.digital;
- for (i = 0; i < regs->count; i++) {
- vreg = devm_regulator_get(&pdev->dev, regs->vregs[i].vreg_name);
- rc = PTR_RET(vreg);
- if (rc) {
- pr_err("failed to get %s regulator\n",
- regs->vregs[i].vreg_name);
- goto error_host_pwr;
- }
- regs->vregs[i].vreg = vreg;
- }
-
- regs = &phy->pwr_info.phy_pwr;
- for (i = 0; i < regs->count; i++) {
- vreg = devm_regulator_get(&pdev->dev, regs->vregs[i].vreg_name);
- rc = PTR_RET(vreg);
- if (rc) {
- pr_err("failed to get %s regulator\n",
- regs->vregs[i].vreg_name);
- for (--i; i >= 0; i--)
- devm_regulator_put(regs->vregs[i].vreg);
- goto error_digital_put;
- }
- regs->vregs[i].vreg = vreg;
- }
-
- return rc;
-
-error_digital_put:
- regs = &phy->pwr_info.digital;
- for (i = 0; i < regs->count; i++)
- devm_regulator_put(regs->vregs[i].vreg);
-error_host_pwr:
- devm_kfree(&pdev->dev, phy->pwr_info.phy_pwr.vregs);
- phy->pwr_info.phy_pwr.vregs = NULL;
- phy->pwr_info.phy_pwr.count = 0;
-error_digital:
- devm_kfree(&pdev->dev, phy->pwr_info.digital.vregs);
- phy->pwr_info.digital.vregs = NULL;
- phy->pwr_info.digital.count = 0;
-error:
- return rc;
-}
-
-static int dsi_phy_supplies_deinit(struct msm_dsi_phy *phy)
-{
- int i = 0;
- int rc = 0;
- struct dsi_regulator_info *regs;
-
- regs = &phy->pwr_info.digital;
- for (i = 0; i < regs->count; i++) {
- if (!regs->vregs[i].vreg)
- pr_err("vreg is NULL, should not reach here\n");
- else
- devm_regulator_put(regs->vregs[i].vreg);
- }
-
- regs = &phy->pwr_info.phy_pwr;
- for (i = 0; i < regs->count; i++) {
- if (!regs->vregs[i].vreg)
- pr_err("vreg is NULL, should not reach here\n");
- else
- devm_regulator_put(regs->vregs[i].vreg);
- }
-
- if (phy->pwr_info.phy_pwr.vregs) {
- devm_kfree(&phy->pdev->dev, phy->pwr_info.phy_pwr.vregs);
- phy->pwr_info.phy_pwr.vregs = NULL;
- phy->pwr_info.phy_pwr.count = 0;
- }
- if (phy->pwr_info.digital.vregs) {
- devm_kfree(&phy->pdev->dev, phy->pwr_info.digital.vregs);
- phy->pwr_info.digital.vregs = NULL;
- phy->pwr_info.digital.count = 0;
- }
-
- return rc;
-}
-
-static int dsi_phy_parse_dt_per_lane_cfgs(struct platform_device *pdev,
- struct dsi_phy_per_lane_cfgs *cfg,
- char *property)
-{
- int rc = 0, i = 0, j = 0;
- const u8 *data;
- u32 len = 0;
-
- data = of_get_property(pdev->dev.of_node, property, &len);
- if (!data) {
- pr_err("Unable to read Phy %s settings\n", property);
- return -EINVAL;
- }
-
- if (len != DSI_LANE_MAX * cfg->count_per_lane) {
- pr_err("incorrect phy %s settings, exp=%d, act=%d\n",
- property, (DSI_LANE_MAX * cfg->count_per_lane), len);
- return -EINVAL;
- }
-
- for (i = DSI_LOGICAL_LANE_0; i < DSI_LANE_MAX; i++) {
- for (j = 0; j < cfg->count_per_lane; j++) {
- cfg->lane[i][j] = *data;
- data++;
- }
- }
-
- return rc;
-}
-
-static int dsi_phy_settings_init(struct platform_device *pdev,
- struct msm_dsi_phy *phy)
-{
- int rc = 0;
- struct dsi_phy_per_lane_cfgs *lane = &phy->cfg.lanecfg;
- struct dsi_phy_per_lane_cfgs *strength = &phy->cfg.strength;
- struct dsi_phy_per_lane_cfgs *timing = &phy->cfg.timing;
- struct dsi_phy_per_lane_cfgs *regs = &phy->cfg.regulators;
-
- lane->count_per_lane = phy->ver_info->lane_cfg_count;
- rc = dsi_phy_parse_dt_per_lane_cfgs(pdev, lane,
- "qcom,platform-lane-config");
- if (rc) {
- pr_err("failed to parse lane cfgs, rc=%d\n", rc);
- goto err;
- }
-
- strength->count_per_lane = phy->ver_info->strength_cfg_count;
- rc = dsi_phy_parse_dt_per_lane_cfgs(pdev, strength,
- "qcom,platform-strength-ctrl");
- if (rc) {
- pr_err("failed to parse lane cfgs, rc=%d\n", rc);
- goto err;
- }
-
- regs->count_per_lane = phy->ver_info->regulator_cfg_count;
- if (regs->count_per_lane > 0) {
- rc = dsi_phy_parse_dt_per_lane_cfgs(pdev, regs,
- "qcom,platform-regulator-settings");
- if (rc) {
- pr_err("failed to parse lane cfgs, rc=%d\n", rc);
- goto err;
- }
- }
-
- /* Actual timing values are dependent on panel */
- timing->count_per_lane = phy->ver_info->timing_cfg_count;
- return 0;
-err:
- lane->count_per_lane = 0;
- strength->count_per_lane = 0;
- regs->count_per_lane = 0;
- timing->count_per_lane = 0;
- return rc;
-}
-
-static int dsi_phy_settings_deinit(struct msm_dsi_phy *phy)
-{
- memset(&phy->cfg.lanecfg, 0x0, sizeof(phy->cfg.lanecfg));
- memset(&phy->cfg.strength, 0x0, sizeof(phy->cfg.strength));
- memset(&phy->cfg.timing, 0x0, sizeof(phy->cfg.timing));
- memset(&phy->cfg.regulators, 0x0, sizeof(phy->cfg.regulators));
- return 0;
-}
-
-static int dsi_phy_driver_probe(struct platform_device *pdev)
-{
- struct msm_dsi_phy *dsi_phy;
- struct dsi_phy_list_item *item;
- const struct of_device_id *id;
- const struct dsi_ver_spec_info *ver_info;
- int rc = 0;
- u32 index = 0;
-
- if (!pdev || !pdev->dev.of_node) {
- pr_err("pdev not found\n");
- return -ENODEV;
- }
-
- id = of_match_node(msm_dsi_phy_of_match, pdev->dev.of_node);
- if (!id)
- return -ENODEV;
-
- ver_info = id->data;
-
- item = devm_kzalloc(&pdev->dev, sizeof(*item), GFP_KERNEL);
- if (!item)
- return -ENOMEM;
-
-
- dsi_phy = devm_kzalloc(&pdev->dev, sizeof(*dsi_phy), GFP_KERNEL);
- if (!dsi_phy) {
- devm_kfree(&pdev->dev, item);
- return -ENOMEM;
- }
-
- rc = of_property_read_u32(pdev->dev.of_node, "cell-index", &index);
- if (rc) {
- pr_debug("cell index not set, default to 0\n");
- index = 0;
- }
-
- dsi_phy->index = index;
-
- dsi_phy->name = of_get_property(pdev->dev.of_node, "label", NULL);
- if (!dsi_phy->name)
- dsi_phy->name = DSI_PHY_DEFAULT_LABEL;
-
- pr_debug("Probing %s device\n", dsi_phy->name);
-
- rc = dsi_phy_regmap_init(pdev, dsi_phy);
- if (rc) {
- pr_err("Failed to parse register information, rc=%d\n", rc);
- goto fail;
- }
-
- rc = dsi_phy_supplies_init(pdev, dsi_phy);
- if (rc) {
- pr_err("failed to parse voltage supplies, rc = %d\n", rc);
- goto fail_regmap;
- }
-
- rc = dsi_catalog_phy_setup(&dsi_phy->hw, ver_info->version,
- dsi_phy->index);
- if (rc) {
- pr_err("Catalog does not support version (%d)\n",
- ver_info->version);
- goto fail_supplies;
- }
-
- dsi_phy->ver_info = ver_info;
- rc = dsi_phy_settings_init(pdev, dsi_phy);
- if (rc) {
- pr_err("Failed to parse phy setting, rc=%d\n", rc);
- goto fail_supplies;
- }
-
- item->phy = dsi_phy;
-
- mutex_lock(&dsi_phy_list_lock);
- list_add(&item->list, &dsi_phy_list);
- mutex_unlock(&dsi_phy_list_lock);
-
- mutex_init(&dsi_phy->phy_lock);
- /** TODO: initialize debugfs */
- dsi_phy->pdev = pdev;
- platform_set_drvdata(pdev, dsi_phy);
- pr_info("Probe successful for %s\n", dsi_phy->name);
- return 0;
-
-fail_supplies:
- (void)dsi_phy_supplies_deinit(dsi_phy);
-fail_regmap:
- (void)dsi_phy_regmap_deinit(dsi_phy);
-fail:
- devm_kfree(&pdev->dev, dsi_phy);
- devm_kfree(&pdev->dev, item);
- return rc;
-}
-
-static int dsi_phy_driver_remove(struct platform_device *pdev)
-{
- int rc = 0;
- struct msm_dsi_phy *phy = platform_get_drvdata(pdev);
- struct list_head *pos, *tmp;
-
- if (!pdev || !phy) {
- pr_err("Invalid device\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_phy_list_lock);
- list_for_each_safe(pos, tmp, &dsi_phy_list) {
- struct dsi_phy_list_item *n;
-
- n = list_entry(pos, struct dsi_phy_list_item, list);
- if (n->phy == phy) {
- list_del(&n->list);
- devm_kfree(&pdev->dev, n);
- break;
- }
- }
- mutex_unlock(&dsi_phy_list_lock);
-
- mutex_lock(&phy->phy_lock);
- rc = dsi_phy_settings_deinit(phy);
- if (rc)
- pr_err("failed to deinitialize phy settings, rc=%d\n", rc);
-
- rc = dsi_phy_supplies_deinit(phy);
- if (rc)
- pr_err("failed to deinitialize voltage supplies, rc=%d\n", rc);
-
- rc = dsi_phy_regmap_deinit(phy);
- if (rc)
- pr_err("failed to deinitialize regmap, rc=%d\n", rc);
- mutex_unlock(&phy->phy_lock);
-
- mutex_destroy(&phy->phy_lock);
- devm_kfree(&pdev->dev, phy);
-
- platform_set_drvdata(pdev, NULL);
-
- return 0;
-}
-
-static struct platform_driver dsi_phy_platform_driver = {
- .probe = dsi_phy_driver_probe,
- .remove = dsi_phy_driver_remove,
- .driver = {
- .name = "dsi_phy",
- .of_match_table = msm_dsi_phy_of_match,
- },
-};
-
-static void dsi_phy_enable_hw(struct msm_dsi_phy *phy)
-{
- if (phy->hw.ops.regulator_enable)
- phy->hw.ops.regulator_enable(&phy->hw, &phy->cfg.regulators);
-
- if (phy->hw.ops.enable)
- phy->hw.ops.enable(&phy->hw, &phy->cfg);
-}
-
-static void dsi_phy_disable_hw(struct msm_dsi_phy *phy)
-{
- if (phy->hw.ops.disable)
- phy->hw.ops.disable(&phy->hw, &phy->cfg);
-
- if (phy->hw.ops.regulator_disable)
- phy->hw.ops.regulator_disable(&phy->hw);
-}
-
-/**
- * dsi_phy_get() - get a dsi phy handle from device node
- * @of_node: device node for dsi phy controller
- *
- * Gets the DSI PHY handle for the corresponding of_node. The ref count is
- * incremented to one all subsequents get will fail until the original client
- * calls a put.
- *
- * Return: DSI PHY handle or an error code.
- */
-struct msm_dsi_phy *dsi_phy_get(struct device_node *of_node)
-{
- struct list_head *pos, *tmp;
- struct msm_dsi_phy *phy = NULL;
-
- mutex_lock(&dsi_phy_list_lock);
- list_for_each_safe(pos, tmp, &dsi_phy_list) {
- struct dsi_phy_list_item *n;
-
- n = list_entry(pos, struct dsi_phy_list_item, list);
- if (n->phy->pdev->dev.of_node == of_node) {
- phy = n->phy;
- break;
- }
- }
- mutex_unlock(&dsi_phy_list_lock);
-
- if (!phy) {
- pr_err("Device with of node not found\n");
- phy = ERR_PTR(-EPROBE_DEFER);
- return phy;
- }
-
- mutex_lock(&phy->phy_lock);
- if (phy->refcount > 0) {
- pr_err("[PHY_%d] Device under use\n", phy->index);
- phy = ERR_PTR(-EINVAL);
- } else {
- phy->refcount++;
- }
- mutex_unlock(&phy->phy_lock);
- return phy;
-}
-
-/**
- * dsi_phy_put() - release dsi phy handle
- * @dsi_phy: DSI PHY handle.
- *
- * Release the DSI PHY hardware. Driver will clean up all resources and puts
- * back the DSI PHY into reset state.
- */
-void dsi_phy_put(struct msm_dsi_phy *dsi_phy)
-{
- mutex_lock(&dsi_phy->phy_lock);
-
- if (dsi_phy->refcount == 0)
- pr_err("Unbalanced %s call\n", __func__);
- else
- dsi_phy->refcount--;
-
- mutex_unlock(&dsi_phy->phy_lock);
-}
-
-/**
- * dsi_phy_drv_init() - initialize dsi phy driver
- * @dsi_phy: DSI PHY handle.
- *
- * Initializes DSI PHY driver. Should be called after dsi_phy_get().
- *
- * Return: error code.
- */
-int dsi_phy_drv_init(struct msm_dsi_phy *dsi_phy)
-{
- char dbg_name[DSI_DEBUG_NAME_LEN];
-
- snprintf(dbg_name, DSI_DEBUG_NAME_LEN, "dsi%d_phy", dsi_phy->index);
- dpu_dbg_reg_register_base(dbg_name, dsi_phy->hw.base,
- msm_iomap_size(dsi_phy->pdev, "dsi_phy"));
- return 0;
-}
-
-/**
- * dsi_phy_drv_deinit() - de-initialize dsi phy driver
- * @dsi_phy: DSI PHY handle.
- *
- * Release all resources acquired by dsi_phy_drv_init().
- *
- * Return: error code.
- */
-int dsi_phy_drv_deinit(struct msm_dsi_phy *dsi_phy)
-{
- return 0;
-}
-
-int dsi_phy_clk_cb_register(struct msm_dsi_phy *dsi_phy,
- struct clk_ctrl_cb *clk_cb)
-{
- if (!dsi_phy || !clk_cb) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- dsi_phy->clk_cb.priv = clk_cb->priv;
- dsi_phy->clk_cb.dsi_clk_cb = clk_cb->dsi_clk_cb;
- return 0;
-}
-
-/**
- * dsi_phy_validate_mode() - validate a display mode
- * @dsi_phy: DSI PHY handle.
- * @mode: Mode information.
- *
- * Validation will fail if the mode cannot be supported by the PHY driver or
- * hardware.
- *
- * Return: error code.
- */
-int dsi_phy_validate_mode(struct msm_dsi_phy *dsi_phy,
- struct dsi_mode_info *mode)
-{
- int rc = 0;
-
- if (!dsi_phy || !mode) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_phy->phy_lock);
-
- pr_debug("[PHY_%d] Skipping validation\n", dsi_phy->index);
-
- mutex_unlock(&dsi_phy->phy_lock);
- return rc;
-}
-
-/**
- * dsi_phy_set_power_state() - enable/disable dsi phy power supplies
- * @dsi_phy: DSI PHY handle.
- * @enable: Boolean flag to enable/disable.
- *
- * Return: error code.
- */
-int dsi_phy_set_power_state(struct msm_dsi_phy *dsi_phy, bool enable)
-{
- int rc = 0;
-
- if (!dsi_phy) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&dsi_phy->phy_lock);
-
- if (enable == dsi_phy->power_state) {
- pr_err("[PHY_%d] No state change\n", dsi_phy->index);
- goto error;
- }
-
- if (enable) {
- rc = dsi_pwr_enable_regulator(&dsi_phy->pwr_info.digital, true);
- if (rc) {
- pr_err("failed to enable digital regulator\n");
- goto error;
- }
-
- if (dsi_phy->dsi_phy_state == DSI_PHY_ENGINE_OFF) {
- rc = dsi_pwr_enable_regulator(
- &dsi_phy->pwr_info.phy_pwr, true);
- if (rc) {
- pr_err("failed to enable phy power\n");
- (void)dsi_pwr_enable_regulator(
- &dsi_phy->pwr_info.digital, false);
- goto error;
- }
- }
- } else {
- if (dsi_phy->dsi_phy_state == DSI_PHY_ENGINE_OFF) {
- rc = dsi_pwr_enable_regulator(
- &dsi_phy->pwr_info.phy_pwr, false);
- if (rc) {
- pr_err("failed to enable digital regulator\n");
- goto error;
- }
- }
-
- rc = dsi_pwr_enable_regulator(&dsi_phy->pwr_info.digital,
- false);
- if (rc) {
- pr_err("failed to enable phy power\n");
- goto error;
- }
- }
-
- dsi_phy->power_state = enable;
-error:
- mutex_unlock(&dsi_phy->phy_lock);
- return rc;
-}
-
-static int dsi_phy_enable_ulps(struct msm_dsi_phy *phy,
- struct dsi_host_config *config, bool clamp_enabled)
-{
- int rc = 0;
- u32 lanes = 0;
- u32 ulps_lanes;
-
- if (config->panel_mode == DSI_OP_CMD_MODE)
- lanes = config->common_config.data_lanes;
- lanes |= DSI_CLOCK_LANE;
-
- /*
- * If DSI clamps are enabled, it means that the DSI lanes are
- * already in idle state. Checking for lanes to be in idle state
- * should be skipped during ULPS entry programming while coming
- * out of idle screen.
- */
- if (!clamp_enabled) {
- rc = phy->hw.ops.ulps_ops.wait_for_lane_idle(&phy->hw, lanes);
- if (rc) {
- pr_err("lanes not entering idle, skip ULPS\n");
- return rc;
- }
- }
-
- phy->hw.ops.ulps_ops.ulps_request(&phy->hw, &phy->cfg, lanes);
-
- ulps_lanes = phy->hw.ops.ulps_ops.get_lanes_in_ulps(&phy->hw);
-
- if (!phy->hw.ops.ulps_ops.is_lanes_in_ulps(lanes, ulps_lanes)) {
- pr_err("Failed to enter ULPS, request=0x%x, actual=0x%x\n",
- lanes, ulps_lanes);
- rc = -EIO;
- }
-
- return rc;
-}
-
-static int dsi_phy_disable_ulps(struct msm_dsi_phy *phy,
- struct dsi_host_config *config)
-{
- u32 ulps_lanes, lanes = 0;
-
- if (config->panel_mode == DSI_OP_CMD_MODE)
- lanes = config->common_config.data_lanes;
- lanes |= DSI_CLOCK_LANE;
-
- ulps_lanes = phy->hw.ops.ulps_ops.get_lanes_in_ulps(&phy->hw);
-
- if (!phy->hw.ops.ulps_ops.is_lanes_in_ulps(lanes, ulps_lanes)) {
- pr_err("Mismatch in ULPS: lanes:%d, ulps_lanes:%d\n",
- lanes, ulps_lanes);
- return -EIO;
- }
-
- phy->hw.ops.ulps_ops.ulps_exit(&phy->hw, &phy->cfg, lanes);
-
- ulps_lanes = phy->hw.ops.ulps_ops.get_lanes_in_ulps(&phy->hw);
-
- if (phy->hw.ops.ulps_ops.is_lanes_in_ulps(lanes, ulps_lanes)) {
- pr_err("Lanes (0x%x) stuck in ULPS\n", ulps_lanes);
- return -EIO;
- }
-
- return 0;
-}
-
-
-int dsi_phy_set_ulps(struct msm_dsi_phy *phy, struct dsi_host_config *config,
- bool enable, bool clamp_enabled)
-{
- int rc = 0;
-
- if (!phy) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- if (!phy->hw.ops.ulps_ops.ulps_request ||
- !phy->hw.ops.ulps_ops.ulps_exit ||
- !phy->hw.ops.ulps_ops.get_lanes_in_ulps ||
- !phy->hw.ops.ulps_ops.is_lanes_in_ulps ||
- !phy->hw.ops.ulps_ops.wait_for_lane_idle) {
- pr_debug("DSI PHY ULPS ops not present\n");
- return 0;
- }
-
- mutex_lock(&phy->phy_lock);
-
- if (enable)
- rc = dsi_phy_enable_ulps(phy, config, clamp_enabled);
- else
- rc = dsi_phy_disable_ulps(phy, config);
-
- if (rc) {
- pr_err("[DSI_PHY%d] Ulps state change(%d) failed, rc=%d\n",
- phy->index, enable, rc);
- goto error;
- }
- pr_debug("[DSI_PHY%d] ULPS state = %d\n", phy->index, enable);
-
-error:
- mutex_unlock(&phy->phy_lock);
- return rc;
-}
-
-/**
- * dsi_phy_enable() - enable DSI PHY hardware
- * @dsi_phy: DSI PHY handle.
- * @config: DSI host configuration.
- * @pll_source: Source PLL for PHY clock.
- * @skip_validation: Validation will not be performed on parameters.
- *
- * Validates and enables DSI PHY.
- *
- * Return: error code.
- */
-int dsi_phy_enable(struct msm_dsi_phy *phy,
- struct dsi_host_config *config,
- enum dsi_phy_pll_source pll_source,
- bool skip_validation)
-{
- int rc = 0;
-
- if (!phy || !config) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&phy->phy_lock);
-
- if (!skip_validation)
- pr_debug("[PHY_%d] TODO: perform validation\n", phy->index);
-
- memcpy(&phy->mode, &config->video_timing, sizeof(phy->mode));
- memcpy(&phy->cfg.lane_map, &config->lane_map, sizeof(config->lane_map));
- phy->data_lanes = config->common_config.data_lanes;
- phy->dst_format = config->common_config.dst_format;
- phy->cfg.pll_source = pll_source;
-
- /**
- * If PHY timing parameters are not present in panel dtsi file,
- * then calculate them in the driver
- */
- if (!phy->cfg.is_phy_timing_present)
- rc = phy->hw.ops.calculate_timing_params(&phy->hw,
- &phy->mode,
- &config->common_config,
- &phy->cfg.timing);
- if (rc) {
- pr_err("[%s] failed to set timing, rc=%d\n", phy->name, rc);
- goto error;
- }
-
- dsi_phy_enable_hw(phy);
- phy->dsi_phy_state = DSI_PHY_ENGINE_ON;
-
-error:
- mutex_unlock(&phy->phy_lock);
-
- return rc;
-}
-
-/**
- * dsi_phy_disable() - disable DSI PHY hardware.
- * @phy: DSI PHY handle.
- *
- * Return: error code.
- */
-int dsi_phy_disable(struct msm_dsi_phy *phy)
-{
- int rc = 0;
-
- if (!phy) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&phy->phy_lock);
- dsi_phy_disable_hw(phy);
- phy->dsi_phy_state = DSI_PHY_ENGINE_OFF;
- mutex_unlock(&phy->phy_lock);
-
- return rc;
-}
-
-/**
- * dsi_phy_idle_ctrl() - enable/disable DSI PHY during idle screen
- * @phy: DSI PHY handle
- * @enable: boolean to specify PHY enable/disable.
- *
- * Return: error code.
- */
-
-int dsi_phy_idle_ctrl(struct msm_dsi_phy *phy, bool enable)
-{
- if (!phy) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&phy->phy_lock);
- if (enable) {
- if (phy->hw.ops.phy_idle_on)
- phy->hw.ops.phy_idle_on(&phy->hw, &phy->cfg);
-
- if (phy->hw.ops.regulator_enable)
- phy->hw.ops.regulator_enable(&phy->hw,
- &phy->cfg.regulators);
- } else {
- if (phy->hw.ops.phy_idle_off)
- phy->hw.ops.phy_idle_off(&phy->hw);
- }
- mutex_unlock(&phy->phy_lock);
-
- return 0;
-}
-
-/**
- * dsi_phy_set_timing_params() - timing parameters for the panel
- * @phy: DSI PHY handle
- * @timing: array holding timing params.
- * @size: size of the array.
- *
- * When PHY timing calculator is not implemented, this array will be used to
- * pass PHY timing information.
- *
- * Return: error code.
- */
-int dsi_phy_set_timing_params(struct msm_dsi_phy *phy,
- u32 *timing, u32 size)
-{
- int rc = 0;
-
- if (!phy || !timing || !size) {
- pr_err("Invalid params\n");
- return -EINVAL;
- }
-
- mutex_lock(&phy->phy_lock);
-
- if (phy->hw.ops.phy_timing_val)
- rc = phy->hw.ops.phy_timing_val(&phy->cfg.timing, timing, size);
- if (!rc)
- phy->cfg.is_phy_timing_present = true;
- mutex_unlock(&phy->phy_lock);
- return rc;
-}
-
-void dsi_phy_drv_register(void)
-{
- platform_driver_register(&dsi_phy_platform_driver);
-}
-
-void dsi_phy_drv_unregister(void)
-{
- platform_driver_unregister(&dsi_phy_platform_driver);
-}
deleted file mode 100644
@@ -1,235 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#ifndef _DSI_PHY_H_
-#define _DSI_PHY_H_
-
-#include "dsi_defs.h"
-#include "dsi_clk.h"
-#include "dsi_pwr.h"
-#include "dsi_phy_hw.h"
-
-struct dsi_ver_spec_info {
- enum dsi_phy_version version;
- u32 lane_cfg_count;
- u32 strength_cfg_count;
- u32 regulator_cfg_count;
- u32 timing_cfg_count;
-};
-
-/**
- * struct dsi_phy_power_info - digital and analog power supplies for DSI PHY
- * @digital: Digital power supply for DSI PHY.
- * @phy_pwr: Analog power supplies for DSI PHY to work.
- */
-struct dsi_phy_power_info {
- struct dsi_regulator_info digital;
- struct dsi_regulator_info phy_pwr;
-};
-
-/**
- * enum phy_engine_state - define engine status for dsi phy.
- * @DSI_PHY_ENGINE_OFF: Engine is turned off.
- * @DSI_PHY_ENGINE_ON: Engine is turned on.
- * @DSI_PHY_ENGINE_MAX: Maximum value.
- */
-enum phy_engine_state {
- DSI_PHY_ENGINE_OFF = 0,
- DSI_PHY_ENGINE_ON,
- DSI_PHY_ENGINE_MAX,
-};
-
-
-/**
- * struct msm_dsi_phy - DSI PHY object
- * @pdev: Pointer to platform device.
- * @index: Instance id.
- * @name: Name of the PHY instance.
- * @refcount: Reference count.
- * @phy_lock: Mutex for hardware and object access.
- * @ver_info: Version specific phy parameters.
- * @hw: DSI PHY hardware object.
- * @pwr_info: Power information.
- * @cfg: DSI phy configuration.
- * @clk_cb: structure containing call backs for clock control
- * @power_state: True if PHY is powered on.
- * @dsi_phy_state: PHY state information.
- * @mode: Current mode.
- * @data_lanes: Number of data lanes used.
- * @dst_format: Destination format.
- */
-struct msm_dsi_phy {
- struct platform_device *pdev;
- int index;
- const char *name;
- u32 refcount;
- struct mutex phy_lock;
-
- const struct dsi_ver_spec_info *ver_info;
- struct dsi_phy_hw hw;
-
- struct dsi_phy_power_info pwr_info;
-
- struct dsi_phy_cfg cfg;
- struct clk_ctrl_cb clk_cb;
-
- enum phy_engine_state dsi_phy_state;
- bool power_state;
- struct dsi_mode_info mode;
- enum dsi_data_lanes data_lanes;
- enum dsi_pixel_format dst_format;
-};
-
-/**
- * dsi_phy_get() - get a dsi phy handle from device node
- * @of_node: device node for dsi phy controller
- *
- * Gets the DSI PHY handle for the corresponding of_node. The ref count is
- * incremented to one all subsequents get will fail until the original client
- * calls a put.
- *
- * Return: DSI PHY handle or an error code.
- */
-struct msm_dsi_phy *dsi_phy_get(struct device_node *of_node);
-
-/**
- * dsi_phy_put() - release dsi phy handle
- * @dsi_phy: DSI PHY handle.
- *
- * Release the DSI PHY hardware. Driver will clean up all resources and puts
- * back the DSI PHY into reset state.
- */
-void dsi_phy_put(struct msm_dsi_phy *dsi_phy);
-
-/**
- * dsi_phy_drv_init() - initialize dsi phy driver
- * @dsi_phy: DSI PHY handle.
- *
- * Initializes DSI PHY driver. Should be called after dsi_phy_get().
- *
- * Return: error code.
- */
-int dsi_phy_drv_init(struct msm_dsi_phy *dsi_phy);
-
-/**
- * dsi_phy_drv_deinit() - de-initialize dsi phy driver
- * @dsi_phy: DSI PHY handle.
- *
- * Release all resources acquired by dsi_phy_drv_init().
- *
- * Return: error code.
- */
-int dsi_phy_drv_deinit(struct msm_dsi_phy *dsi_phy);
-
-/**
- * dsi_phy_validate_mode() - validate a display mode
- * @dsi_phy: DSI PHY handle.
- * @mode: Mode information.
- *
- * Validation will fail if the mode cannot be supported by the PHY driver or
- * hardware.
- *
- * Return: error code.
- */
-int dsi_phy_validate_mode(struct msm_dsi_phy *dsi_phy,
- struct dsi_mode_info *mode);
-
-/**
- * dsi_phy_set_power_state() - enable/disable dsi phy power supplies
- * @dsi_phy: DSI PHY handle.
- * @enable: Boolean flag to enable/disable.
- *
- * Return: error code.
- */
-int dsi_phy_set_power_state(struct msm_dsi_phy *dsi_phy, bool enable);
-
-/**
- * dsi_phy_enable() - enable DSI PHY hardware
- * @dsi_phy: DSI PHY handle.
- * @config: DSI host configuration.
- * @pll_source: Source PLL for PHY clock.
- * @skip_validation: Validation will not be performed on parameters.
- *
- * Validates and enables DSI PHY.
- *
- * Return: error code.
- */
-int dsi_phy_enable(struct msm_dsi_phy *dsi_phy,
- struct dsi_host_config *config,
- enum dsi_phy_pll_source pll_source,
- bool skip_validation);
-
-/**
- * dsi_phy_disable() - disable DSI PHY hardware.
- * @phy: DSI PHY handle.
- *
- * Return: error code.
- */
-int dsi_phy_disable(struct msm_dsi_phy *phy);
-
-/**
- * dsi_phy_set_ulps() - set ulps state for DSI pHY
- * @phy: DSI PHY handle
- * @config: DSi host configuration information.
- * @enable: Enable/Disable
- * @clamp_enabled: mmss_clamp enabled/disabled
- *
- * Return: error code.
- */
-int dsi_phy_set_ulps(struct msm_dsi_phy *phy, struct dsi_host_config *config,
- bool enable, bool clamp_enabled);
-
-/**
- * dsi_phy_clk_cb_register() - Register PHY clock control callback
- * @phy: DSI PHY handle
- * @clk_cb: Structure containing call back for clock control
- *
- * Return: error code.
- */
-int dsi_phy_clk_cb_register(struct msm_dsi_phy *phy,
- struct clk_ctrl_cb *clk_cb);
-
-/**
- * dsi_phy_idle_ctrl() - enable/disable DSI PHY during idle screen
- * @phy: DSI PHY handle
- * @enable: boolean to specify PHY enable/disable.
- *
- * Return: error code.
- */
-int dsi_phy_idle_ctrl(struct msm_dsi_phy *phy, bool enable);
-
-/**
- * dsi_phy_set_timing_params() - timing parameters for the panel
- * @phy: DSI PHY handle
- * @timing: array holding timing params.
- * @size: size of the array.
- *
- * When PHY timing calculator is not implemented, this array will be used to
- * pass PHY timing information.
- *
- * Return: error code.
- */
-int dsi_phy_set_timing_params(struct msm_dsi_phy *phy,
- u32 *timing, u32 size);
-
-/**
- * dsi_phy_drv_register() - register platform driver for dsi phy
- */
-void dsi_phy_drv_register(void);
-
-/**
- * dsi_phy_drv_unregister() - unregister platform driver
- */
-void dsi_phy_drv_unregister(void);
-
-#endif /* _DSI_PHY_H_ */
deleted file mode 100644
@@ -1,260 +0,0 @@
-/*
- * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#ifndef _DSI_PHY_HW_H_
-#define _DSI_PHY_HW_H_
-
-#include "dsi_defs.h"
-
-#define DSI_MAX_SETTINGS 8
-#define DSI_PHY_TIMING_V3_SIZE 12
-
-/**
- * enum dsi_phy_version - DSI PHY version enumeration
- * @DSI_PHY_VERSION_UNKNOWN: Unknown version.
- * @DSI_PHY_VERSION_0_0_HPM: 28nm-HPM.
- * @DSI_PHY_VERSION_0_0_LPM: 28nm-HPM.
- * @DSI_PHY_VERSION_1_0: 20nm
- * @DSI_PHY_VERSION_2_0: 14nm
- * @DSI_PHY_VERSION_3_0: 10nm
- * @DSI_PHY_VERSION_MAX:
- */
-enum dsi_phy_version {
- DSI_PHY_VERSION_UNKNOWN,
- DSI_PHY_VERSION_0_0_HPM, /* 28nm-HPM */
- DSI_PHY_VERSION_0_0_LPM, /* 28nm-LPM */
- DSI_PHY_VERSION_1_0, /* 20nm */
- DSI_PHY_VERSION_2_0, /* 14nm */
- DSI_PHY_VERSION_3_0, /* 10nm */
- DSI_PHY_VERSION_MAX
-};
-
-/**
- * enum dsi_phy_hw_features - features supported by DSI PHY hardware
- * @DSI_PHY_DPHY: Supports DPHY
- * @DSI_PHY_CPHY: Supports CPHY
- * @DSI_PHY_MAX_FEATURES:
- */
-enum dsi_phy_hw_features {
- DSI_PHY_DPHY,
- DSI_PHY_CPHY,
- DSI_PHY_MAX_FEATURES
-};
-
-/**
- * enum dsi_phy_pll_source - pll clock source for PHY.
- * @DSI_PLL_SOURCE_STANDALONE: Clock is sourced from native PLL and is not
- * shared by other PHYs.
- * @DSI_PLL_SOURCE_NATIVE: Clock is sourced from native PLL and is
- * shared by other PHYs.
- * @DSI_PLL_SOURCE_NON_NATIVE: Clock is sourced from other PHYs.
- * @DSI_PLL_SOURCE_MAX:
- */
-enum dsi_phy_pll_source {
- DSI_PLL_SOURCE_STANDALONE = 0,
- DSI_PLL_SOURCE_NATIVE,
- DSI_PLL_SOURCE_NON_NATIVE,
- DSI_PLL_SOURCE_MAX
-};
-
-/**
- * struct dsi_phy_per_lane_cfgs - Holds register values for PHY parameters
- * @lane: A set of maximum 8 values for each lane.
- * @lane_v3: A set of maximum 12 values for each lane.
- * @count_per_lane: Number of values per each lane.
- */
-struct dsi_phy_per_lane_cfgs {
- u8 lane[DSI_LANE_MAX][DSI_MAX_SETTINGS];
- u8 lane_v3[DSI_PHY_TIMING_V3_SIZE];
- u32 count_per_lane;
-};
-
-/**
- * struct dsi_phy_cfg - DSI PHY configuration
- * @lanecfg: Lane configuration settings.
- * @strength: Strength settings for lanes.
- * @timing: Timing parameters for lanes.
- * @is_phy_timing_present: Boolean whether phy timings are defined.
- * @regulators: Regulator settings for lanes.
- * @pll_source: PLL source.
- * @lane_map: DSI logical to PHY lane mapping.
- */
-struct dsi_phy_cfg {
- struct dsi_phy_per_lane_cfgs lanecfg;
- struct dsi_phy_per_lane_cfgs strength;
- struct dsi_phy_per_lane_cfgs timing;
- bool is_phy_timing_present;
- struct dsi_phy_per_lane_cfgs regulators;
- enum dsi_phy_pll_source pll_source;
- struct dsi_lane_map lane_map;
-};
-
-struct dsi_phy_hw;
-
-struct phy_ulps_config_ops {
- /**
- * wait_for_lane_idle() - wait for DSI lanes to go to idle state
- * @phy: Pointer to DSI PHY hardware instance.
- * @lanes: ORed list of lanes (enum dsi_data_lanes) which need
- * to be checked to be in idle state.
- */
- int (*wait_for_lane_idle)(struct dsi_phy_hw *phy, u32 lanes);
-
- /**
- * ulps_request() - request ulps entry for specified lanes
- * @phy: Pointer to DSI PHY hardware instance.
- * @cfg: Per lane configurations for timing, strength and lane
- * configurations.
- * @lanes: ORed list of lanes (enum dsi_data_lanes) which need
- * to enter ULPS.
- *
- * Caller should check if lanes are in ULPS mode by calling
- * get_lanes_in_ulps() operation.
- */
- void (*ulps_request)(struct dsi_phy_hw *phy,
- struct dsi_phy_cfg *cfg, u32 lanes);
-
- /**
- * ulps_exit() - exit ULPS on specified lanes
- * @phy: Pointer to DSI PHY hardware instance.
- * @cfg: Per lane configurations for timing, strength and lane
- * configurations.
- * @lanes: ORed list of lanes (enum dsi_data_lanes) which need
- * to exit ULPS.
- *
- * Caller should check if lanes are in active mode by calling
- * get_lanes_in_ulps() operation.
- */
- void (*ulps_exit)(struct dsi_phy_hw *phy,
- struct dsi_phy_cfg *cfg, u32 lanes);
-
- /**
- * get_lanes_in_ulps() - returns the list of lanes in ULPS mode
- * @phy: Pointer to DSI PHY hardware instance.
- *
- * Returns an ORed list of lanes (enum dsi_data_lanes) that are in ULPS
- * state.
- *
- * Return: List of lanes in ULPS state.
- */
- u32 (*get_lanes_in_ulps)(struct dsi_phy_hw *phy);
-
- /**
- * is_lanes_in_ulps() - checks if the given lanes are in ulps
- * @lanes: lanes to be checked.
- * @ulps_lanes: lanes in ulps currenly.
- *
- * Return: true if all the given lanes are in ulps; false otherwise.
- */
- bool (*is_lanes_in_ulps)(u32 ulps, u32 ulps_lanes);
-};
-
-/**
- * struct dsi_phy_hw_ops - Operations for DSI PHY hardware.
- * @regulator_enable: Enable PHY regulators.
- * @regulator_disable: Disable PHY regulators.
- * @enable: Enable PHY.
- * @disable: Disable PHY.
- * @calculate_timing_params: Calculate PHY timing params from mode information
- */
-struct dsi_phy_hw_ops {
- /**
- * regulator_enable() - enable regulators for DSI PHY
- * @phy: Pointer to DSI PHY hardware object.
- * @reg_cfg: Regulator configuration for all DSI lanes.
- */
- void (*regulator_enable)(struct dsi_phy_hw *phy,
- struct dsi_phy_per_lane_cfgs *reg_cfg);
-
- /**
- * regulator_disable() - disable regulators
- * @phy: Pointer to DSI PHY hardware object.
- */
- void (*regulator_disable)(struct dsi_phy_hw *phy);
-
- /**
- * enable() - Enable PHY hardware
- * @phy: Pointer to DSI PHY hardware object.
- * @cfg: Per lane configurations for timing, strength and lane
- * configurations.
- */
- void (*enable)(struct dsi_phy_hw *phy, struct dsi_phy_cfg *cfg);
-
- /**
- * disable() - Disable PHY hardware
- * @phy: Pointer to DSI PHY hardware object.
- * @cfg: Per lane configurations for timing, strength and lane
- * configurations.
- */
- void (*disable)(struct dsi_phy_hw *phy, struct dsi_phy_cfg *cfg);
-
- /**
- * phy_idle_on() - Enable PHY hardware when entering idle screen
- * @phy: Pointer to DSI PHY hardware object.
- * @cfg: Per lane configurations for timing, strength and lane
- * configurations.
- */
- void (*phy_idle_on)(struct dsi_phy_hw *phy, struct dsi_phy_cfg *cfg);
-
- /**
- * phy_idle_off() - Disable PHY hardware when exiting idle screen
- * @phy: Pointer to DSI PHY hardware object.
- */
- void (*phy_idle_off)(struct dsi_phy_hw *phy);
-
- /**
- * calculate_timing_params() - calculates timing parameters.
- * @phy: Pointer to DSI PHY hardware object.
- * @mode: Mode information for which timing has to be calculated.
- * @config: DSI host configuration for this mode.
- * @timing: Timing parameters for each lane which will be returned.
- */
- int (*calculate_timing_params)(struct dsi_phy_hw *phy,
- struct dsi_mode_info *mode,
- struct dsi_host_common_cfg *config,
- struct dsi_phy_per_lane_cfgs *timing);
-
- /**
- * phy_timing_val() - Gets PHY timing values.
- * @timing_val: Timing parameters for each lane which will be returned.
- * @timing: Array containing PHY timing values
- * @size: Size of the array
- */
- int (*phy_timing_val)(struct dsi_phy_per_lane_cfgs *timing_val,
- u32 *timing, u32 size);
-
- void *timing_ops;
- struct phy_ulps_config_ops ulps_ops;
-};
-
-/**
- * struct dsi_phy_hw - DSI phy hardware object specific to an instance
- * @base: VA for the DSI PHY base address.
- * @length: Length of the DSI PHY register base map.
- * @index: Instance ID of the controller.
- * @version: DSI PHY version.
- * @feature_map: Features supported by DSI PHY.
- * @ops: Function pointer to PHY operations.
- */
-struct dsi_phy_hw {
- void __iomem *base;
- u32 length;
- u32 index;
-
- enum dsi_phy_version version;
-
- DECLARE_BITMAP(feature_map, DSI_PHY_MAX_FEATURES);
- struct dsi_phy_hw_ops ops;
-};
-
-#endif /* _DSI_PHY_HW_H_ */
deleted file mode 100644
@@ -1,252 +0,0 @@
-/*
- * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#define pr_fmt(fmt) "dsi-phy-hw:" fmt
-#include <linux/math64.h>
-#include <linux/delay.h>
-#include "dsi_hw.h"
-#include "dsi_phy_hw.h"
-
-#define DSIPHY_CMN_REVISION_ID0 0x0000
-#define DSIPHY_CMN_REVISION_ID1 0x0004
-#define DSIPHY_CMN_REVISION_ID2 0x0008
-#define DSIPHY_CMN_REVISION_ID3 0x000C
-#define DSIPHY_CMN_CLK_CFG0 0x0010
-#define DSIPHY_CMN_CLK_CFG1 0x0014
-#define DSIPHY_CMN_GLBL_TEST_CTRL 0x0018
-#define DSIPHY_CMN_CTRL_0 0x001C
-#define DSIPHY_CMN_CTRL_1 0x0020
-#define DSIPHY_CMN_CAL_HW_TRIGGER 0x0024
-#define DSIPHY_CMN_CAL_SW_CFG0 0x0028
-#define DSIPHY_CMN_CAL_SW_CFG1 0x002C
-#define DSIPHY_CMN_CAL_SW_CFG2 0x0030
-#define DSIPHY_CMN_CAL_HW_CFG0 0x0034
-#define DSIPHY_CMN_CAL_HW_CFG1 0x0038
-#define DSIPHY_CMN_CAL_HW_CFG2 0x003C
-#define DSIPHY_CMN_CAL_HW_CFG3 0x0040
-#define DSIPHY_CMN_CAL_HW_CFG4 0x0044
-#define DSIPHY_CMN_PLL_CNTRL 0x0048
-#define DSIPHY_CMN_LDO_CNTRL 0x004C
-
-#define DSIPHY_CMN_REGULATOR_CAL_STATUS0 0x0064
-#define DSIPHY_CMN_REGULATOR_CAL_STATUS1 0x0068
-
-/* n = 0..3 for data lanes and n = 4 for clock lane */
-#define DSIPHY_DLNX_CFG0(n) (0x100 + ((n) * 0x80))
-#define DSIPHY_DLNX_CFG1(n) (0x104 + ((n) * 0x80))
-#define DSIPHY_DLNX_CFG2(n) (0x108 + ((n) * 0x80))
-#define DSIPHY_DLNX_CFG3(n) (0x10C + ((n) * 0x80))
-#define DSIPHY_DLNX_TEST_DATAPATH(n) (0x110 + ((n) * 0x80))
-#define DSIPHY_DLNX_TEST_STR(n) (0x114 + ((n) * 0x80))
-#define DSIPHY_DLNX_TIMING_CTRL_4(n) (0x118 + ((n) * 0x80))
-#define DSIPHY_DLNX_TIMING_CTRL_5(n) (0x11C + ((n) * 0x80))
-#define DSIPHY_DLNX_TIMING_CTRL_6(n) (0x120 + ((n) * 0x80))
-#define DSIPHY_DLNX_TIMING_CTRL_7(n) (0x124 + ((n) * 0x80))
-#define DSIPHY_DLNX_TIMING_CTRL_8(n) (0x128 + ((n) * 0x80))
-#define DSIPHY_DLNX_TIMING_CTRL_9(n) (0x12C + ((n) * 0x80))
-#define DSIPHY_DLNX_TIMING_CTRL_10(n) (0x130 + ((n) * 0x80))
-#define DSIPHY_DLNX_TIMING_CTRL_11(n) (0x134 + ((n) * 0x80))
-#define DSIPHY_DLNX_STRENGTH_CTRL_0(n) (0x138 + ((n) * 0x80))
-#define DSIPHY_DLNX_STRENGTH_CTRL_1(n) (0x13C + ((n) * 0x80))
-#define DSIPHY_DLNX_BIST_POLY(n) (0x140 + ((n) * 0x80))
-#define DSIPHY_DLNX_BIST_SEED0(n) (0x144 + ((n) * 0x80))
-#define DSIPHY_DLNX_BIST_SEED1(n) (0x148 + ((n) * 0x80))
-#define DSIPHY_DLNX_BIST_HEAD(n) (0x14C + ((n) * 0x80))
-#define DSIPHY_DLNX_BIST_SOT(n) (0x150 + ((n) * 0x80))
-#define DSIPHY_DLNX_BIST_CTRL0(n) (0x154 + ((n) * 0x80))
-#define DSIPHY_DLNX_BIST_CTRL1(n) (0x158 + ((n) * 0x80))
-#define DSIPHY_DLNX_BIST_CTRL2(n) (0x15C + ((n) * 0x80))
-#define DSIPHY_DLNX_BIST_CTRL3(n) (0x160 + ((n) * 0x80))
-#define DSIPHY_DLNX_VREG_CNTRL(n) (0x164 + ((n) * 0x80))
-#define DSIPHY_DLNX_HSTX_STR_STATUS(n) (0x168 + ((n) * 0x80))
-#define DSIPHY_DLNX_BIST_STATUS0(n) (0x16C + ((n) * 0x80))
-#define DSIPHY_DLNX_BIST_STATUS1(n) (0x170 + ((n) * 0x80))
-#define DSIPHY_DLNX_BIST_STATUS2(n) (0x174 + ((n) * 0x80))
-#define DSIPHY_DLNX_BIST_STATUS3(n) (0x178 + ((n) * 0x80))
-#define DSIPHY_DLNX_MISR_STATUS(n) (0x17C + ((n) * 0x80))
-
-#define DSIPHY_PLL_CLKBUFLR_EN 0x041C
-#define DSIPHY_PLL_PLL_BANDGAP 0x0508
-
-/**
- * regulator_enable() - enable regulators for DSI PHY
- * @phy: Pointer to DSI PHY hardware object.
- * @reg_cfg: Regulator configuration for all DSI lanes.
- */
-void dsi_phy_hw_v2_0_regulator_enable(struct dsi_phy_hw *phy,
- struct dsi_phy_per_lane_cfgs *reg_cfg)
-{
- int i;
-
- for (i = DSI_LOGICAL_LANE_0; i < DSI_LANE_MAX; i++)
- DSI_W32(phy, DSIPHY_DLNX_VREG_CNTRL(i), reg_cfg->lane[i][0]);
-
- /* make sure all values are written to hardware */
- wmb();
-
- pr_debug("[DSI_%d] Phy regulators enabled\n", phy->index);
-}
-
-/**
- * regulator_disable() - disable regulators
- * @phy: Pointer to DSI PHY hardware object.
- */
-void dsi_phy_hw_v2_0_regulator_disable(struct dsi_phy_hw *phy)
-{
- pr_debug("[DSI_%d] Phy regulators disabled\n", phy->index);
-}
-
-/**
- * enable() - Enable PHY hardware
- * @phy: Pointer to DSI PHY hardware object.
- * @cfg: Per lane configurations for timing, strength and lane
- * configurations.
- */
-void dsi_phy_hw_v2_0_enable(struct dsi_phy_hw *phy,
- struct dsi_phy_cfg *cfg)
-{
- int i;
- struct dsi_phy_per_lane_cfgs *timing = &cfg->timing;
- u32 data;
-
- DSI_W32(phy, DSIPHY_CMN_LDO_CNTRL, 0x1C);
-
- DSI_W32(phy, DSIPHY_CMN_GLBL_TEST_CTRL, 0x1);
- for (i = DSI_LOGICAL_LANE_0; i < DSI_LANE_MAX; i++) {
-
- DSI_W32(phy, DSIPHY_DLNX_CFG0(i), cfg->lanecfg.lane[i][0]);
- DSI_W32(phy, DSIPHY_DLNX_CFG1(i), cfg->lanecfg.lane[i][1]);
- DSI_W32(phy, DSIPHY_DLNX_CFG2(i), cfg->lanecfg.lane[i][2]);
- DSI_W32(phy, DSIPHY_DLNX_CFG3(i), cfg->lanecfg.lane[i][3]);
-
- DSI_W32(phy, DSIPHY_DLNX_TEST_STR(i), 0x88);
-
- DSI_W32(phy, DSIPHY_DLNX_TIMING_CTRL_4(i), timing->lane[i][0]);
- DSI_W32(phy, DSIPHY_DLNX_TIMING_CTRL_5(i), timing->lane[i][1]);
- DSI_W32(phy, DSIPHY_DLNX_TIMING_CTRL_6(i), timing->lane[i][2]);
- DSI_W32(phy, DSIPHY_DLNX_TIMING_CTRL_7(i), timing->lane[i][3]);
- DSI_W32(phy, DSIPHY_DLNX_TIMING_CTRL_8(i), timing->lane[i][4]);
- DSI_W32(phy, DSIPHY_DLNX_TIMING_CTRL_9(i), timing->lane[i][5]);
- DSI_W32(phy, DSIPHY_DLNX_TIMING_CTRL_10(i), timing->lane[i][6]);
- DSI_W32(phy, DSIPHY_DLNX_TIMING_CTRL_11(i), timing->lane[i][7]);
-
- DSI_W32(phy, DSIPHY_DLNX_STRENGTH_CTRL_0(i),
- cfg->strength.lane[i][0]);
- DSI_W32(phy, DSIPHY_DLNX_STRENGTH_CTRL_1(i),
- cfg->strength.lane[i][1]);
- }
-
- /* make sure all values are written to hardware before enabling phy */
- wmb();
-
- DSI_W32(phy, DSIPHY_CMN_CTRL_1, 0x80);
- udelay(100);
- DSI_W32(phy, DSIPHY_CMN_CTRL_1, 0x00);
-
- data = DSI_R32(phy, DSIPHY_CMN_GLBL_TEST_CTRL);
-
- switch (cfg->pll_source) {
- case DSI_PLL_SOURCE_STANDALONE:
- DSI_W32(phy, DSIPHY_PLL_CLKBUFLR_EN, 0x01);
- data &= ~BIT(2);
- break;
- case DSI_PLL_SOURCE_NATIVE:
- DSI_W32(phy, DSIPHY_PLL_CLKBUFLR_EN, 0x03);
- data &= ~BIT(2);
- break;
- case DSI_PLL_SOURCE_NON_NATIVE:
- DSI_W32(phy, DSIPHY_PLL_CLKBUFLR_EN, 0x00);
- data |= BIT(2);
- break;
- default:
- break;
- }
-
- DSI_W32(phy, DSIPHY_CMN_GLBL_TEST_CTRL, data);
-
- /* Enable bias current for pll1 during split display case */
- if (cfg->pll_source == DSI_PLL_SOURCE_NON_NATIVE)
- DSI_W32(phy, DSIPHY_PLL_PLL_BANDGAP, 0x3);
-
- pr_debug("[DSI_%d]Phy enabled ", phy->index);
-}
-
-/**
- * disable() - Disable PHY hardware
- * @phy: Pointer to DSI PHY hardware object.
- */
-void dsi_phy_hw_v2_0_disable(struct dsi_phy_hw *phy,
- struct dsi_phy_cfg *cfg)
-{
- DSI_W32(phy, DSIPHY_PLL_CLKBUFLR_EN, 0);
- DSI_W32(phy, DSIPHY_CMN_GLBL_TEST_CTRL, 0);
- DSI_W32(phy, DSIPHY_CMN_CTRL_0, 0);
- pr_debug("[DSI_%d]Phy disabled ", phy->index);
-}
-
-/**
- * dsi_phy_hw_v2_0_idle_on() - Enable DSI PHY hardware during idle screen
- * @phy: Pointer to DSI PHY hardware object.
- */
-void dsi_phy_hw_v2_0_idle_on(struct dsi_phy_hw *phy, struct dsi_phy_cfg *cfg)
-{
- int i = 0;
-
- for (i = DSI_LOGICAL_LANE_0; i < DSI_LANE_MAX; i++) {
- DSI_W32(phy, DSIPHY_DLNX_STRENGTH_CTRL_0(i),
- cfg->strength.lane[i][0]);
- DSI_W32(phy, DSIPHY_DLNX_STRENGTH_CTRL_1(i),
- cfg->strength.lane[i][1]);
- }
- wmb(); /* make sure write happens */
- pr_debug("[DSI_%d]Phy enabled out of idle screen\n", phy->index);
-}
-
-
-/**
- * dsi_phy_hw_v2_0_idle_off() - Disable DSI PHY hardware during idle screen
- * @phy: Pointer to DSI PHY hardware object.
- */
-void dsi_phy_hw_v2_0_idle_off(struct dsi_phy_hw *phy)
-{
- int i = 0;
-
- DSI_W32(phy, DSIPHY_CMN_CTRL_0, 0x7f);
- for (i = DSI_LOGICAL_LANE_0; i < DSI_LANE_MAX; i++)
- DSI_W32(phy, DSIPHY_DLNX_VREG_CNTRL(i), 0x1c);
- DSI_W32(phy, DSIPHY_CMN_LDO_CNTRL, 0x1C);
-
- for (i = DSI_LOGICAL_LANE_0; i < DSI_LANE_MAX; i++)
- DSI_W32(phy, DSIPHY_DLNX_STRENGTH_CTRL_1(i), 0x0);
- wmb(); /* make sure write happens */
- pr_debug("[DSI_%d]Phy disabled during idle screen\n", phy->index);
-}
-
-int dsi_phy_hw_timing_val_v2_0(struct dsi_phy_per_lane_cfgs *timing_cfg,
- u32 *timing_val, u32 size)
-{
- int i = 0, j = 0;
-
- if (size != (DSI_LANE_MAX * DSI_MAX_SETTINGS)) {
- pr_err("Unexpected timing array size %d\n", size);
- return -EINVAL;
- }
-
- for (i = DSI_LOGICAL_LANE_0; i < DSI_LANE_MAX; i++) {
- for (j = 0; j < DSI_MAX_SETTINGS; j++) {
- timing_cfg->lane[i][j] = *timing_val;
- timing_val++;
- }
- }
- return 0;
-}
deleted file mode 100644
@@ -1,447 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#define pr_fmt(fmt) "dsi-phy-hw:" fmt
-#include <linux/math64.h>
-#include <linux/delay.h>
-#include <linux/iopoll.h>
-#include "dsi_hw.h"
-#include "dsi_phy_hw.h"
-
-#define DSIPHY_CMN_CLK_CFG0 0x010
-#define DSIPHY_CMN_CLK_CFG1 0x014
-#define DSIPHY_CMN_GLBL_CTRL 0x018
-#define DSIPHY_CMN_RBUF_CTRL 0x01C
-#define DSIPHY_CMN_VREG_CTRL 0x020
-#define DSIPHY_CMN_CTRL_0 0x024
-#define DSIPHY_CMN_CTRL_1 0x028
-#define DSIPHY_CMN_CTRL_2 0x02C
-#define DSIPHY_CMN_LANE_CFG0 0x030
-#define DSIPHY_CMN_LANE_CFG1 0x034
-#define DSIPHY_CMN_PLL_CNTRL 0x038
-#define DSIPHY_CMN_LANE_CTRL0 0x098
-#define DSIPHY_CMN_LANE_CTRL1 0x09C
-#define DSIPHY_CMN_LANE_CTRL2 0x0A0
-#define DSIPHY_CMN_LANE_CTRL3 0x0A4
-#define DSIPHY_CMN_LANE_CTRL4 0x0A8
-#define DSIPHY_CMN_TIMING_CTRL_0 0x0AC
-#define DSIPHY_CMN_TIMING_CTRL_1 0x0B0
-#define DSIPHY_CMN_TIMING_CTRL_2 0x0B4
-#define DSIPHY_CMN_TIMING_CTRL_3 0x0B8
-#define DSIPHY_CMN_TIMING_CTRL_4 0x0BC
-#define DSIPHY_CMN_TIMING_CTRL_5 0x0C0
-#define DSIPHY_CMN_TIMING_CTRL_6 0x0C4
-#define DSIPHY_CMN_TIMING_CTRL_7 0x0C8
-#define DSIPHY_CMN_TIMING_CTRL_8 0x0CC
-#define DSIPHY_CMN_TIMING_CTRL_9 0x0D0
-#define DSIPHY_CMN_TIMING_CTRL_10 0x0D4
-#define DSIPHY_CMN_TIMING_CTRL_11 0x0D8
-#define DSIPHY_CMN_PHY_STATUS 0x0EC
-#define DSIPHY_CMN_LANE_STATUS0 0x0F4
-#define DSIPHY_CMN_LANE_STATUS1 0x0F8
-
-
-/* n = 0..3 for data lanes and n = 4 for clock lane */
-#define DSIPHY_LNX_CFG0(n) (0x200 + (0x80 * (n)))
-#define DSIPHY_LNX_CFG1(n) (0x204 + (0x80 * (n)))
-#define DSIPHY_LNX_CFG2(n) (0x208 + (0x80 * (n)))
-#define DSIPHY_LNX_CFG3(n) (0x20C + (0x80 * (n)))
-#define DSIPHY_LNX_TEST_DATAPATH(n) (0x210 + (0x80 * (n)))
-#define DSIPHY_LNX_PIN_SWAP(n) (0x214 + (0x80 * (n)))
-#define DSIPHY_LNX_HSTX_STR_CTRL(n) (0x218 + (0x80 * (n)))
-#define DSIPHY_LNX_OFFSET_TOP_CTRL(n) (0x21C + (0x80 * (n)))
-#define DSIPHY_LNX_OFFSET_BOT_CTRL(n) (0x220 + (0x80 * (n)))
-#define DSIPHY_LNX_LPTX_STR_CTRL(n) (0x224 + (0x80 * (n)))
-#define DSIPHY_LNX_LPRX_CTRL(n) (0x228 + (0x80 * (n)))
-#define DSIPHY_LNX_TX_DCTRL(n) (0x22C + (0x80 * (n)))
-
-static inline int dsi_conv_phy_to_logical_lane(
- struct dsi_lane_map *lane_map, enum dsi_phy_data_lanes phy_lane)
-{
- int i = 0;
-
- if (phy_lane > DSI_PHYSICAL_LANE_3)
- return -EINVAL;
-
- for (i = DSI_LOGICAL_LANE_0; i < (DSI_LANE_MAX - 1); i++) {
- if (lane_map->lane_map_v2[i] == phy_lane)
- break;
- }
- return i;
-}
-
-static inline int dsi_conv_logical_to_phy_lane(
- struct dsi_lane_map *lane_map, enum dsi_logical_lane lane)
-{
- int i = 0;
-
- if (lane > (DSI_LANE_MAX - 1))
- return -EINVAL;
-
- for (i = DSI_LOGICAL_LANE_0; i < (DSI_LANE_MAX - 1); i++) {
- if (BIT(i) == lane_map->lane_map_v2[lane])
- break;
- }
- return i;
-}
-
-/**
- * regulator_enable() - enable regulators for DSI PHY
- * @phy: Pointer to DSI PHY hardware object.
- * @reg_cfg: Regulator configuration for all DSI lanes.
- */
-void dsi_phy_hw_v3_0_regulator_enable(struct dsi_phy_hw *phy,
- struct dsi_phy_per_lane_cfgs *reg_cfg)
-{
- pr_debug("[DSI_%d] Phy regulators enabled\n", phy->index);
- /* Nothing to be done for DSI PHY regulator enable */
-}
-
-/**
- * regulator_disable() - disable regulators
- * @phy: Pointer to DSI PHY hardware object.
- */
-void dsi_phy_hw_v3_0_regulator_disable(struct dsi_phy_hw *phy)
-{
- pr_debug("[DSI_%d] Phy regulators disabled\n", phy->index);
- /* Nothing to be done for DSI PHY regulator disable */
-}
-
-
-static int dsi_phy_hw_v3_0_is_pll_on(struct dsi_phy_hw *phy)
-{
- u32 data = 0;
-
- data = DSI_R32(phy, DSIPHY_CMN_PLL_CNTRL);
- mb(); /*make sure read happened */
- return (data & BIT(0));
-}
-
-static void dsi_phy_hw_v3_0_config_lpcdrx(struct dsi_phy_hw *phy,
- struct dsi_phy_cfg *cfg, bool enable)
-{
- int phy_lane_0 = dsi_conv_logical_to_phy_lane(&cfg->lane_map,
- DSI_LOGICAL_LANE_0);
- /*
- * LPRX and CDRX need to enabled only for physical data lane
- * corresponding to the logical data lane 0
- */
-
- if (enable)
- DSI_W32(phy, DSIPHY_LNX_LPRX_CTRL(phy_lane_0),
- cfg->strength.lane[phy_lane_0][1]);
- else
- DSI_W32(phy, DSIPHY_LNX_LPRX_CTRL(phy_lane_0), 0);
-}
-
-static void dsi_phy_hw_v3_0_lane_swap_config(struct dsi_phy_hw *phy,
- struct dsi_lane_map *lane_map)
-{
- DSI_W32(phy, DSIPHY_CMN_LANE_CFG0,
- (lane_map->lane_map_v2[DSI_LOGICAL_LANE_0] |
- (lane_map->lane_map_v2[DSI_LOGICAL_LANE_1] << 4)));
- DSI_W32(phy, DSIPHY_CMN_LANE_CFG1,
- (lane_map->lane_map_v2[DSI_LOGICAL_LANE_2] |
- (lane_map->lane_map_v2[DSI_LOGICAL_LANE_3] << 4)));
-}
-
-static void dsi_phy_hw_v3_0_lane_settings(struct dsi_phy_hw *phy,
- struct dsi_phy_cfg *cfg)
-{
- int i;
- u8 tx_dctrl[] = {0x00, 0x00, 0x00, 0x04, 0x01};
-
- /* Strength ctrl settings */
- for (i = DSI_LOGICAL_LANE_0; i < DSI_LANE_MAX; i++) {
- DSI_W32(phy, DSIPHY_LNX_LPTX_STR_CTRL(i),
- cfg->strength.lane[i][0]);
- /*
- * Disable LPRX and CDRX for all lanes. And later on, it will
- * be only enabled for the physical data lane corresponding
- * to the logical data lane 0
- */
- DSI_W32(phy, DSIPHY_LNX_LPRX_CTRL(i), 0);
- DSI_W32(phy, DSIPHY_LNX_PIN_SWAP(i), 0x0);
- DSI_W32(phy, DSIPHY_LNX_HSTX_STR_CTRL(i), 0x88);
- }
- dsi_phy_hw_v3_0_config_lpcdrx(phy, cfg, true);
-
- /* other settings */
- for (i = DSI_LOGICAL_LANE_0; i < DSI_LANE_MAX; i++) {
- DSI_W32(phy, DSIPHY_LNX_CFG0(i), cfg->lanecfg.lane[i][0]);
- DSI_W32(phy, DSIPHY_LNX_CFG1(i), cfg->lanecfg.lane[i][1]);
- DSI_W32(phy, DSIPHY_LNX_CFG2(i), cfg->lanecfg.lane[i][2]);
- DSI_W32(phy, DSIPHY_LNX_CFG3(i), cfg->lanecfg.lane[i][3]);
- DSI_W32(phy, DSIPHY_LNX_OFFSET_TOP_CTRL(i), 0x0);
- DSI_W32(phy, DSIPHY_LNX_OFFSET_BOT_CTRL(i), 0x0);
- DSI_W32(phy, DSIPHY_LNX_TX_DCTRL(i), tx_dctrl[i]);
- }
-
- /* Toggle BIT 0 to release freeze I/0 */
- DSI_W32(phy, DSIPHY_LNX_TX_DCTRL(3), 0x05);
- DSI_W32(phy, DSIPHY_LNX_TX_DCTRL(3), 0x04);
-}
-
-/**
- * enable() - Enable PHY hardware
- * @phy: Pointer to DSI PHY hardware object.
- * @cfg: Per lane configurations for timing, strength and lane
- * configurations.
- */
-void dsi_phy_hw_v3_0_enable(struct dsi_phy_hw *phy,
- struct dsi_phy_cfg *cfg)
-{
- int rc = 0;
- u32 status;
- u32 const delay_us = 5;
- u32 const timeout_us = 1000;
- struct dsi_phy_per_lane_cfgs *timing = &cfg->timing;
- u32 data;
-
- if (dsi_phy_hw_v3_0_is_pll_on(phy))
- pr_warn("PLL turned on before configuring PHY\n");
-
- /* wait for REFGEN READY */
- rc = readl_poll_timeout_atomic(phy->base + DSIPHY_CMN_PHY_STATUS,
- status, (status & BIT(0)), delay_us, timeout_us);
- if (rc) {
- pr_err("Ref gen not ready. Aborting\n");
- return;
- }
-
- /* de-assert digital and pll power down */
- data = BIT(6) | BIT(5);
- DSI_W32(phy, DSIPHY_CMN_CTRL_0, data);
-
- /* Assert PLL core reset */
- DSI_W32(phy, DSIPHY_CMN_PLL_CNTRL, 0x00);
-
- /* turn off resync FIFO */
- DSI_W32(phy, DSIPHY_CMN_RBUF_CTRL, 0x00);
-
- /* Select MS1 byte-clk */
- DSI_W32(phy, DSIPHY_CMN_GLBL_CTRL, 0x10);
-
- /* Enable LDO */
- DSI_W32(phy, DSIPHY_CMN_VREG_CTRL, 0x59);
-
- /* Configure PHY lane swap */
- dsi_phy_hw_v3_0_lane_swap_config(phy, &cfg->lane_map);
-
- /* DSI PHY timings */
- DSI_W32(phy, DSIPHY_CMN_TIMING_CTRL_0, timing->lane_v3[0]);
- DSI_W32(phy, DSIPHY_CMN_TIMING_CTRL_1, timing->lane_v3[1]);
- DSI_W32(phy, DSIPHY_CMN_TIMING_CTRL_2, timing->lane_v3[2]);
- DSI_W32(phy, DSIPHY_CMN_TIMING_CTRL_3, timing->lane_v3[3]);
- DSI_W32(phy, DSIPHY_CMN_TIMING_CTRL_4, timing->lane_v3[4]);
- DSI_W32(phy, DSIPHY_CMN_TIMING_CTRL_5, timing->lane_v3[5]);
- DSI_W32(phy, DSIPHY_CMN_TIMING_CTRL_6, timing->lane_v3[6]);
- DSI_W32(phy, DSIPHY_CMN_TIMING_CTRL_7, timing->lane_v3[7]);
- DSI_W32(phy, DSIPHY_CMN_TIMING_CTRL_8, timing->lane_v3[8]);
- DSI_W32(phy, DSIPHY_CMN_TIMING_CTRL_9, timing->lane_v3[9]);
- DSI_W32(phy, DSIPHY_CMN_TIMING_CTRL_10, timing->lane_v3[10]);
- DSI_W32(phy, DSIPHY_CMN_TIMING_CTRL_11, timing->lane_v3[11]);
-
- /* Remove power down from all blocks */
- DSI_W32(phy, DSIPHY_CMN_CTRL_0, 0x7f);
-
- /*power up lanes */
- data = DSI_R32(phy, DSIPHY_CMN_CTRL_0);
- /* TODO: only power up lanes that are used */
- data |= 0x1F;
- DSI_W32(phy, DSIPHY_CMN_CTRL_0, data);
- DSI_W32(phy, DSIPHY_CMN_LANE_CTRL0, 0x1F);
-
- /* Select full-rate mode */
- DSI_W32(phy, DSIPHY_CMN_CTRL_2, 0x40);
-
- switch (cfg->pll_source) {
- case DSI_PLL_SOURCE_STANDALONE:
- case DSI_PLL_SOURCE_NATIVE:
- data = 0x0; /* internal PLL */
- break;
- case DSI_PLL_SOURCE_NON_NATIVE:
- data = 0x1; /* external PLL */
- break;
- default:
- break;
- }
- DSI_W32(phy, DSIPHY_CMN_CLK_CFG1, (data << 2)); /* set PLL src */
-
- /* DSI lane settings */
- dsi_phy_hw_v3_0_lane_settings(phy, cfg);
-
- pr_debug("[DSI_%d]Phy enabled ", phy->index);
-}
-
-/**
- * disable() - Disable PHY hardware
- * @phy: Pointer to DSI PHY hardware object.
- */
-void dsi_phy_hw_v3_0_disable(struct dsi_phy_hw *phy,
- struct dsi_phy_cfg *cfg)
-{
- u32 data = 0;
-
- if (dsi_phy_hw_v3_0_is_pll_on(phy))
- pr_warn("Turning OFF PHY while PLL is on\n");
-
- dsi_phy_hw_v3_0_config_lpcdrx(phy, cfg, false);
-
- data = DSI_R32(phy, DSIPHY_CMN_CTRL_0);
- /* disable all lanes */
- data &= ~0x1F;
- DSI_W32(phy, DSIPHY_CMN_CTRL_0, data);
- DSI_W32(phy, DSIPHY_CMN_LANE_CTRL0, 0);
-
- /* Turn off all PHY blocks */
- DSI_W32(phy, DSIPHY_CMN_CTRL_0, 0x00);
- /* make sure phy is turned off */
- wmb();
- pr_debug("[DSI_%d]Phy disabled ", phy->index);
-}
-
-int dsi_phy_hw_v3_0_wait_for_lane_idle(
- struct dsi_phy_hw *phy, u32 lanes)
-{
- int rc = 0, val = 0;
- u32 stop_state_mask = 0;
- u32 const sleep_us = 10;
- u32 const timeout_us = 100;
-
- stop_state_mask = BIT(4); /* clock lane */
- if (lanes & DSI_DATA_LANE_0)
- stop_state_mask |= BIT(0);
- if (lanes & DSI_DATA_LANE_1)
- stop_state_mask |= BIT(1);
- if (lanes & DSI_DATA_LANE_2)
- stop_state_mask |= BIT(2);
- if (lanes & DSI_DATA_LANE_3)
- stop_state_mask |= BIT(3);
-
- pr_debug("%s: polling for lanes to be in stop state, mask=0x%08x\n",
- __func__, stop_state_mask);
- rc = readl_poll_timeout(phy->base + DSIPHY_CMN_LANE_STATUS1, val,
- (val == stop_state_mask), sleep_us, timeout_us);
- if (rc) {
- pr_err("%s: lanes not in stop state, LANE_STATUS=0x%08x\n",
- __func__, val);
- return rc;
- }
-
- return 0;
-}
-
-void dsi_phy_hw_v3_0_ulps_request(struct dsi_phy_hw *phy,
- struct dsi_phy_cfg *cfg, u32 lanes)
-{
- u32 reg = 0;
-
- if (lanes & DSI_CLOCK_LANE)
- reg = BIT(4);
- if (lanes & DSI_DATA_LANE_0)
- reg |= BIT(0);
- if (lanes & DSI_DATA_LANE_1)
- reg |= BIT(1);
- if (lanes & DSI_DATA_LANE_2)
- reg |= BIT(2);
- if (lanes & DSI_DATA_LANE_3)
- reg |= BIT(3);
-
- /*
- * ULPS entry request. Wait for short time to make sure
- * that the lanes enter ULPS. Recommended as per HPG.
- */
- DSI_W32(phy, DSIPHY_CMN_LANE_CTRL1, reg);
- usleep_range(100, 110);
-
- /* disable LPRX and CDRX */
- dsi_phy_hw_v3_0_config_lpcdrx(phy, cfg, false);
- /* disable lane LDOs */
- DSI_W32(phy, DSIPHY_CMN_VREG_CTRL, 0x19);
- pr_debug("[DSI_PHY%d] ULPS requested for lanes 0x%x\n", phy->index,
- lanes);
-}
-
-void dsi_phy_hw_v3_0_ulps_exit(struct dsi_phy_hw *phy,
- struct dsi_phy_cfg *cfg, u32 lanes)
-{
- u32 reg = 0;
-
- if (lanes & DSI_CLOCK_LANE)
- reg = BIT(4);
- if (lanes & DSI_DATA_LANE_0)
- reg |= BIT(0);
- if (lanes & DSI_DATA_LANE_1)
- reg |= BIT(1);
- if (lanes & DSI_DATA_LANE_2)
- reg |= BIT(2);
- if (lanes & DSI_DATA_LANE_3)
- reg |= BIT(3);
-
- /* enable lane LDOs */
- DSI_W32(phy, DSIPHY_CMN_VREG_CTRL, 0x59);
- /* enable LPRX and CDRX */
- dsi_phy_hw_v3_0_config_lpcdrx(phy, cfg, true);
-
- /* ULPS exit request */
- DSI_W32(phy, DSIPHY_CMN_LANE_CTRL2, reg);
- usleep_range(1000, 1010);
-
- /* Clear ULPS request flags on all lanes */
- DSI_W32(phy, DSIPHY_CMN_LANE_CTRL1, 0);
- /* Clear ULPS exit flags on all lanes */
- DSI_W32(phy, DSIPHY_CMN_LANE_CTRL2, 0);
-
- /*
- * Sometimes when exiting ULPS, it is possible that some DSI
- * lanes are not in the stop state which could lead to DSI
- * commands not going through. To avoid this, force the lanes
- * to be in stop state.
- */
- DSI_W32(phy, DSIPHY_CMN_LANE_CTRL3, reg);
- DSI_W32(phy, DSIPHY_CMN_LANE_CTRL3, 0);
- usleep_range(100, 110);
-}
-
-u32 dsi_phy_hw_v3_0_get_lanes_in_ulps(struct dsi_phy_hw *phy)
-{
- u32 lanes = 0;
-
- lanes = DSI_R32(phy, DSIPHY_CMN_LANE_STATUS0);
- pr_debug("[DSI_PHY%d] lanes in ulps = 0x%x\n", phy->index, lanes);
- return lanes;
-}
-
-bool dsi_phy_hw_v3_0_is_lanes_in_ulps(u32 lanes, u32 ulps_lanes)
-{
- if (lanes & ulps_lanes)
- return false;
-
- return true;
-}
-
-int dsi_phy_hw_timing_val_v3_0(struct dsi_phy_per_lane_cfgs *timing_cfg,
- u32 *timing_val, u32 size)
-{
- int i = 0;
-
- if (size != DSI_PHY_TIMING_V3_SIZE) {
- pr_err("Unexpected timing array size %d\n", size);
- return -EINVAL;
- }
-
- for (i = 0; i < size; i++)
- timing_cfg->lane_v3[i] = timing_val[i];
- return 0;
-}
deleted file mode 100644
@@ -1,676 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#define pr_fmt(fmt) "dsi-phy-timing:" fmt
-
-#include "dsi_phy_timing_calc.h"
-
-static const u32 bits_per_pixel[DSI_PIXEL_FORMAT_MAX] = {
- 16, 18, 18, 24, 3, 8, 12 };
-
-static int dsi_phy_cmn_validate_and_set(struct timing_entry *t,
- char const *t_name)
-{
- if (t->rec & 0xffffff00) {
- /* Output value can only be 8 bits */
- pr_err("Incorrect %s rec value - %d\n", t_name, t->rec);
- return -EINVAL;
- }
- t->reg_value = t->rec;
- return 0;
-}
-
-/**
- * calc_clk_prepare - calculates prepare timing params for clk lane.
- */
-static int calc_clk_prepare(struct dsi_phy_hw *phy,
- struct phy_clk_params *clk_params,
- struct phy_timing_desc *desc,
- s32 *actual_frac,
- s64 *actual_intermediate)
-{
- u64 multiplier = BIT(20);
- struct timing_entry *t = &desc->clk_prepare;
- int rc = 0;
- u64 dividend, temp, temp_multiple;
- s32 frac = 0;
- s64 intermediate;
- s64 clk_prep_actual;
-
- dividend = ((t->rec_max - t->rec_min) *
- clk_params->clk_prep_buf * multiplier);
- temp = roundup(div_s64(dividend, 100), multiplier);
- temp += (t->rec_min * multiplier);
- t->rec = div_s64(temp, multiplier);
-
- rc = dsi_phy_cmn_validate_and_set(t, "clk_prepare");
- if (rc)
- goto error;
-
- /* calculate theoretical value */
- temp_multiple = 8 * t->reg_value * clk_params->tlpx_numer_ns
- * multiplier;
- intermediate = div_s64(temp_multiple, clk_params->bitclk_mbps);
- div_s64_rem(temp_multiple, clk_params->bitclk_mbps, &frac);
- clk_prep_actual = div_s64((intermediate + frac), multiplier);
-
- pr_debug("CLK_PREPARE:mipi_min=%d, mipi_max=%d, rec_min=%d, rec_max=%d",
- t->mipi_min, t->mipi_max, t->rec_min, t->rec_max);
- pr_debug(" reg_value=%d, actual=%lld\n", t->reg_value, clk_prep_actual);
-
- *actual_frac = frac;
- *actual_intermediate = intermediate;
-
-error:
- return rc;
-}
-
-/**
- * calc_clk_zero - calculates zero timing params for clk lane.
- */
-static int calc_clk_zero(struct dsi_phy_hw *phy,
- struct phy_clk_params *clk_params,
- struct phy_timing_desc *desc,
- s32 actual_frac, s64 actual_intermediate)
-{
- u64 const multiplier = BIT(20);
- int rc = 0;
- struct timing_entry *t = &desc->clk_zero;
- s64 mipi_min, rec_temp1;
- struct phy_timing_ops *ops = phy->ops.timing_ops;
-
- mipi_min = ((300 * multiplier) - (actual_intermediate + actual_frac));
- t->mipi_min = div_s64(mipi_min, multiplier);
-
- rec_temp1 = div_s64((mipi_min * clk_params->bitclk_mbps),
- clk_params->tlpx_numer_ns);
-
- if (ops->calc_clk_zero) {
- t->rec_min = ops->calc_clk_zero(rec_temp1, multiplier);
- } else {
- rc = -EINVAL;
- goto error;
- }
- t->rec_max = ((t->rec_min > 255) ? 511 : 255);
-
- t->rec = DIV_ROUND_UP((((t->rec_max - t->rec_min) *
- clk_params->clk_zero_buf) + (t->rec_min * 100)), 100);
-
- rc = dsi_phy_cmn_validate_and_set(t, "clk_zero");
- if (rc)
- goto error;
-
-
- pr_debug("CLK_ZERO:mipi_min=%d, mipi_max=%d, rec_min=%d, rec_max=%d, reg_val=%d\n",
- t->mipi_min, t->mipi_max, t->rec_min, t->rec_max,
- t->reg_value);
-error:
- return rc;
-}
-
-/**
- * calc_clk_trail - calculates prepare trail params for clk lane.
- */
-static int calc_clk_trail(struct dsi_phy_hw *phy,
- struct phy_clk_params *clk_params,
- struct phy_timing_desc *desc,
- s64 *teot_clk_lane)
-{
- u64 const multiplier = BIT(20);
- int rc = 0;
- struct timing_entry *t = &desc->clk_trail;
- u64 temp_multiple;
- s32 frac;
- s64 mipi_max_tr, rec_temp1, mipi_max;
- s64 teot_clk_lane1;
- struct phy_timing_ops *ops = phy->ops.timing_ops;
-
- temp_multiple = div_s64(
- (12 * multiplier * clk_params->tlpx_numer_ns),
- clk_params->bitclk_mbps);
- div_s64_rem(temp_multiple, multiplier, &frac);
-
- mipi_max_tr = ((105 * multiplier) +
- (temp_multiple + frac));
- teot_clk_lane1 = div_s64(mipi_max_tr, multiplier);
-
- mipi_max = (mipi_max_tr - (clk_params->treot_ns * multiplier));
- t->mipi_max = div_s64(mipi_max, multiplier);
-
- temp_multiple = div_s64(
- (t->mipi_min * multiplier * clk_params->bitclk_mbps),
- clk_params->tlpx_numer_ns);
-
- div_s64_rem(temp_multiple, multiplier, &frac);
- if (ops->calc_clk_trail_rec_min) {
- t->rec_min = ops->calc_clk_trail_rec_min(temp_multiple,
- frac, multiplier);
- } else {
- rc = -EINVAL;
- goto error;
- }
-
- /* recommended max */
- rec_temp1 = div_s64((mipi_max * clk_params->bitclk_mbps),
- clk_params->tlpx_numer_ns);
- if (ops->calc_clk_trail_rec_max) {
- t->rec_max = ops->calc_clk_trail_rec_max(rec_temp1, multiplier);
- } else {
- rc = -EINVAL;
- goto error;
- }
-
- t->rec = DIV_ROUND_UP(
- (((t->rec_max - t->rec_min) * clk_params->clk_trail_buf) +
- (t->rec_min * 100)), 100);
-
- rc = dsi_phy_cmn_validate_and_set(t, "clk_trail");
- if (rc)
- goto error;
-
- *teot_clk_lane = teot_clk_lane1;
- pr_debug("CLK_TRAIL:mipi_min=%d, mipi_max=%d, rec_min=%d, rec_max=%d, reg_val=%d\n",
- t->mipi_min, t->mipi_max, t->rec_min, t->rec_max,
- t->reg_value);
-
-error:
- return rc;
-
-}
-
-/**
- * calc_hs_prepare - calculates prepare timing params for data lanes in HS.
- */
-static int calc_hs_prepare(struct dsi_phy_hw *phy,
- struct phy_clk_params *clk_params,
- struct phy_timing_desc *desc,
- u64 *temp_mul)
-{
- u64 multiplier = BIT(20);
- int rc = 0;
- struct timing_entry *t = &desc->hs_prepare;
- u64 temp_multiple, dividend, temp;
- s32 frac;
- s64 rec_temp1, rec_temp2, mipi_max, mipi_min;
- u32 low_clk_multiplier = 0;
-
- if (clk_params->bitclk_mbps <= 120)
- low_clk_multiplier = 2;
- /* mipi min */
- temp_multiple = div_s64((4 * multiplier * clk_params->tlpx_numer_ns),
- clk_params->bitclk_mbps);
- div_s64_rem(temp_multiple, multiplier, &frac);
- mipi_min = (40 * multiplier) + (temp_multiple + frac);
- t->mipi_min = div_s64(mipi_min, multiplier);
-
- /* mipi_max */
- temp_multiple = div_s64(
- (6 * multiplier * clk_params->tlpx_numer_ns),
- clk_params->bitclk_mbps);
- div_s64_rem(temp_multiple, multiplier, &frac);
- mipi_max = (85 * multiplier) + temp_multiple;
- t->mipi_max = div_s64(mipi_max, multiplier);
-
- /* recommended min */
- temp_multiple = div_s64((mipi_min * clk_params->bitclk_mbps),
- clk_params->tlpx_numer_ns);
- temp_multiple -= (low_clk_multiplier * multiplier);
- div_s64_rem(temp_multiple, multiplier, &frac);
- rec_temp1 = roundup(((temp_multiple + frac) / 8), multiplier);
- t->rec_min = div_s64(rec_temp1, multiplier);
-
- /* recommended max */
- temp_multiple = div_s64((mipi_max * clk_params->bitclk_mbps),
- clk_params->tlpx_numer_ns);
- temp_multiple -= (low_clk_multiplier * multiplier);
- div_s64_rem(temp_multiple, multiplier, &frac);
- rec_temp2 = rounddown((temp_multiple / 8), multiplier);
- t->rec_max = div_s64(rec_temp2, multiplier);
-
- /* register value */
- dividend = ((rec_temp2 - rec_temp1) * clk_params->hs_prep_buf);
- temp = roundup(div_u64(dividend, 100), multiplier);
- t->rec = div_s64((temp + rec_temp1), multiplier);
-
- rc = dsi_phy_cmn_validate_and_set(t, "hs_prepare");
- if (rc)
- goto error;
-
- temp_multiple = div_s64(
- (8 * (temp + rec_temp1) * clk_params->tlpx_numer_ns),
- clk_params->bitclk_mbps);
-
- *temp_mul = temp_multiple;
- pr_debug("HS_PREP:mipi_min=%d, mipi_max=%d, rec_min=%d, rec_max=%d, reg_val=%d\n",
- t->mipi_min, t->mipi_max, t->rec_min, t->rec_max,
- t->reg_value);
-error:
- return rc;
-}
-
-/**
- * calc_hs_zero - calculates zero timing params for data lanes in HS.
- */
-static int calc_hs_zero(struct dsi_phy_hw *phy,
- struct phy_clk_params *clk_params,
- struct phy_timing_desc *desc,
- u64 temp_multiple)
-{
- u64 const multiplier = BIT(20);
- int rc = 0;
- struct timing_entry *t = &desc->hs_zero;
- s64 rec_temp1, mipi_min;
- struct phy_timing_ops *ops = phy->ops.timing_ops;
-
- mipi_min = div_s64((10 * clk_params->tlpx_numer_ns * multiplier),
- clk_params->bitclk_mbps);
- rec_temp1 = (145 * multiplier) + mipi_min - temp_multiple;
- t->mipi_min = div_s64(rec_temp1, multiplier);
-
- /* recommended min */
- rec_temp1 = div_s64((rec_temp1 * clk_params->bitclk_mbps),
- clk_params->tlpx_numer_ns);
-
- if (ops->calc_hs_zero) {
- t->rec_min = ops->calc_hs_zero(rec_temp1, multiplier);
- } else {
- rc = -EINVAL;
- goto error;
- }
-
- t->rec_max = ((t->rec_min > 255) ? 511 : 255);
- t->rec = DIV_ROUND_UP(
- (((t->rec_max - t->rec_min) * clk_params->hs_zero_buf) +
- (t->rec_min * 100)),
- 100);
-
- rc = dsi_phy_cmn_validate_and_set(t, "hs_zero");
- if (rc)
- goto error;
-
- pr_debug("HS_ZERO:mipi_min=%d, mipi_max=%d, rec_min=%d, rec_max=%d, reg_val=%d\n",
- t->mipi_min, t->mipi_max, t->rec_min, t->rec_max,
- t->reg_value);
-
-error:
- return rc;
-}
-
-/**
- * calc_hs_trail - calculates trail timing params for data lanes in HS.
- */
-static int calc_hs_trail(struct dsi_phy_hw *phy,
- struct phy_clk_params *clk_params,
- struct phy_timing_desc *desc,
- u64 teot_clk_lane)
-{
- int rc = 0;
- struct timing_entry *t = &desc->hs_trail;
- s64 rec_temp1;
- struct phy_timing_ops *ops = phy->ops.timing_ops;
-
- t->mipi_min = 60 +
- mult_frac(clk_params->tlpx_numer_ns, 4,
- clk_params->bitclk_mbps);
-
- t->mipi_max = teot_clk_lane - clk_params->treot_ns;
-
- if (ops->calc_hs_trail) {
- ops->calc_hs_trail(clk_params, desc);
- } else {
- rc = -EINVAL;
- goto error;
- }
-
- rec_temp1 = DIV_ROUND_UP(
- ((t->rec_max - t->rec_min) * clk_params->hs_trail_buf),
- 100);
- t->rec = rec_temp1 + t->rec_min;
-
- rc = dsi_phy_cmn_validate_and_set(t, "hs_trail");
- if (rc)
- goto error;
-
- pr_debug("HS_TRAIL:mipi_min=%d, mipi_max=%d, rec_min=%d, rec_max=%d, reg_val=%d\n",
- t->mipi_min, t->mipi_max, t->rec_min, t->rec_max,
- t->reg_value);
-
-error:
- return rc;
-}
-
-/**
- * calc_hs_rqst - calculates rqst timing params for data lanes in HS.
- */
-static int calc_hs_rqst(struct dsi_phy_hw *phy,
- struct phy_clk_params *clk_params,
- struct phy_timing_desc *desc)
-{
- int rc = 0;
- struct timing_entry *t = &desc->hs_rqst;
-
- t->rec = DIV_ROUND_UP(
- ((t->mipi_min * clk_params->bitclk_mbps) -
- (8 * clk_params->tlpx_numer_ns)),
- (8 * clk_params->tlpx_numer_ns));
-
- rc = dsi_phy_cmn_validate_and_set(t, "hs_rqst");
- if (rc)
- goto error;
-
- pr_debug("HS_RQST:mipi_min=%d, mipi_max=%d, rec_min=%d, rec_max=%d, reg_val=%d\n",
- t->mipi_min, t->mipi_max, t->rec_min, t->rec_max,
- t->reg_value);
-
-error:
- return rc;
-}
-
-/**
- * calc_hs_exit - calculates exit timing params for data lanes in HS.
- */
-static int calc_hs_exit(struct dsi_phy_hw *phy,
- struct phy_clk_params *clk_params,
- struct phy_timing_desc *desc)
-{
- int rc = 0;
- struct timing_entry *t = &desc->hs_exit;
-
- t->rec_min = (DIV_ROUND_UP(
- (t->mipi_min * clk_params->bitclk_mbps),
- (8 * clk_params->tlpx_numer_ns)) - 1);
-
- t->rec = DIV_ROUND_UP(
- (((t->rec_max - t->rec_min) * clk_params->hs_exit_buf) +
- (t->rec_min * 100)), 100);
-
- rc = dsi_phy_cmn_validate_and_set(t, "hs_exit");
- if (rc)
- goto error;
-
-
- pr_debug("HS_EXIT:mipi_min=%d, mipi_max=%d, rec_min=%d, rec_max=%d, reg_val=%d\n",
- t->mipi_min, t->mipi_max, t->rec_min, t->rec_max,
- t->reg_value);
-
-error:
- return rc;
-}
-
-/**
- * calc_hs_rqst_clk - calculates rqst timing params for clock lane..
- */
-static int calc_hs_rqst_clk(struct dsi_phy_hw *phy,
- struct phy_clk_params *clk_params,
- struct phy_timing_desc *desc)
-{
- int rc = 0;
- struct timing_entry *t = &desc->hs_rqst_clk;
-
- t->rec = DIV_ROUND_UP(
- ((t->mipi_min * clk_params->bitclk_mbps) -
- (8 * clk_params->tlpx_numer_ns)),
- (8 * clk_params->tlpx_numer_ns));
-
- rc = dsi_phy_cmn_validate_and_set(t, "hs_rqst_clk");
- if (rc)
- goto error;
-
- pr_debug("HS_RQST_CLK:mipi_min=%d, mipi_max=%d, rec_min=%d, rec_max=%d, reg_val=%d\n",
- t->mipi_min, t->mipi_max, t->rec_min, t->rec_max,
- t->reg_value);
-
-error:
- return rc;
-}
-
-/**
- * dsi_phy_calc_timing_params - calculates timing paramets for a given bit clock
- */
-static int dsi_phy_cmn_calc_timing_params(struct dsi_phy_hw *phy,
- struct phy_clk_params *clk_params, struct phy_timing_desc *desc)
-{
- int rc = 0;
- s32 actual_frac = 0;
- s64 actual_intermediate = 0;
- u64 temp_multiple;
- s64 teot_clk_lane;
-
- rc = calc_clk_prepare(phy, clk_params, desc, &actual_frac,
- &actual_intermediate);
- if (rc) {
- pr_err("clk_prepare calculations failed, rc=%d\n", rc);
- goto error;
- }
-
- rc = calc_clk_zero(phy, clk_params, desc,
- actual_frac, actual_intermediate);
- if (rc) {
- pr_err("clk_zero calculations failed, rc=%d\n", rc);
- goto error;
- }
-
- rc = calc_clk_trail(phy, clk_params, desc, &teot_clk_lane);
- if (rc) {
- pr_err("clk_trail calculations failed, rc=%d\n", rc);
- goto error;
- }
-
- rc = calc_hs_prepare(phy, clk_params, desc, &temp_multiple);
- if (rc) {
- pr_err("hs_prepare calculations failed, rc=%d\n", rc);
- goto error;
- }
-
- rc = calc_hs_zero(phy, clk_params, desc, temp_multiple);
- if (rc) {
- pr_err("hs_zero calculations failed, rc=%d\n", rc);
- goto error;
- }
-
- rc = calc_hs_trail(phy, clk_params, desc, teot_clk_lane);
- if (rc) {
- pr_err("hs_trail calculations failed, rc=%d\n", rc);
- goto error;
- }
-
- rc = calc_hs_rqst(phy, clk_params, desc);
- if (rc) {
- pr_err("hs_rqst calculations failed, rc=%d\n", rc);
- goto error;
- }
-
- rc = calc_hs_exit(phy, clk_params, desc);
- if (rc) {
- pr_err("hs_exit calculations failed, rc=%d\n", rc);
- goto error;
- }
-
- rc = calc_hs_rqst_clk(phy, clk_params, desc);
- if (rc) {
- pr_err("hs_rqst_clk calculations failed, rc=%d\n", rc);
- goto error;
- }
-error:
- return rc;
-}
-
-/**
- * calculate_timing_params() - calculates timing parameters.
- * @phy: Pointer to DSI PHY hardware object.
- * @mode: Mode information for which timing has to be calculated.
- * @config: DSI host configuration for this mode.
- * @timing: Timing parameters for each lane which will be returned.
- */
-int dsi_phy_hw_calculate_timing_params(struct dsi_phy_hw *phy,
- struct dsi_mode_info *mode,
- struct dsi_host_common_cfg *host,
- struct dsi_phy_per_lane_cfgs *timing)
-{
- /* constants */
- u32 const esc_clk_mhz = 192; /* TODO: esc clock is hardcoded */
- u32 const esc_clk_mmss_cc_prediv = 10;
- u32 const tlpx_numer = 1000;
- u32 const tr_eot = 20;
- u32 const clk_prepare_spec_min = 38;
- u32 const clk_prepare_spec_max = 95;
- u32 const clk_trail_spec_min = 60;
- u32 const hs_exit_spec_min = 100;
- u32 const hs_exit_reco_max = 255;
- u32 const hs_rqst_spec_min = 50;
-
- /* local vars */
- int rc = 0;
- u32 h_total, v_total;
- u64 inter_num;
- u32 num_of_lanes = 0;
- u32 bpp;
- u64 x, y;
- struct phy_timing_desc desc;
- struct phy_clk_params clk_params = {0};
- struct phy_timing_ops *ops = phy->ops.timing_ops;
-
- memset(&desc, 0x0, sizeof(desc));
- h_total = DSI_H_TOTAL(mode);
- v_total = DSI_V_TOTAL(mode);
-
- bpp = bits_per_pixel[host->dst_format];
-
- inter_num = bpp * mode->refresh_rate;
-
- if (host->data_lanes & DSI_DATA_LANE_0)
- num_of_lanes++;
- if (host->data_lanes & DSI_DATA_LANE_1)
- num_of_lanes++;
- if (host->data_lanes & DSI_DATA_LANE_2)
- num_of_lanes++;
- if (host->data_lanes & DSI_DATA_LANE_3)
- num_of_lanes++;
-
-
- x = mult_frac(v_total * h_total, inter_num, num_of_lanes);
- y = rounddown(x, 1);
-
- clk_params.bitclk_mbps = rounddown(mult_frac(y, 1, 1000000), 1);
- clk_params.escclk_numer = esc_clk_mhz;
- clk_params.escclk_denom = esc_clk_mmss_cc_prediv;
- clk_params.tlpx_numer_ns = tlpx_numer;
- clk_params.treot_ns = tr_eot;
-
-
- /* Setup default parameters */
- desc.clk_prepare.mipi_min = clk_prepare_spec_min;
- desc.clk_prepare.mipi_max = clk_prepare_spec_max;
- desc.clk_trail.mipi_min = clk_trail_spec_min;
- desc.hs_exit.mipi_min = hs_exit_spec_min;
- desc.hs_exit.rec_max = hs_exit_reco_max;
- desc.hs_rqst.mipi_min = hs_rqst_spec_min;
- desc.hs_rqst_clk.mipi_min = hs_rqst_spec_min;
-
- if (ops->get_default_phy_params) {
- ops->get_default_phy_params(&clk_params);
- } else {
- rc = -EINVAL;
- goto error;
- }
-
- desc.clk_prepare.rec_min = DIV_ROUND_UP(
- (desc.clk_prepare.mipi_min * clk_params.bitclk_mbps),
- (8 * clk_params.tlpx_numer_ns)
- );
-
- desc.clk_prepare.rec_max = rounddown(
- mult_frac((desc.clk_prepare.mipi_max * clk_params.bitclk_mbps),
- 1, (8 * clk_params.tlpx_numer_ns)),
- 1);
-
- pr_debug("BIT CLOCK = %d, tlpx_numer_ns=%d, treot_ns=%d\n",
- clk_params.bitclk_mbps, clk_params.tlpx_numer_ns,
- clk_params.treot_ns);
- rc = dsi_phy_cmn_calc_timing_params(phy, &clk_params, &desc);
- if (rc) {
- pr_err("Timing calc failed, rc=%d\n", rc);
- goto error;
- }
-
- if (ops->update_timing_params) {
- ops->update_timing_params(timing, &desc);
- } else {
- rc = -EINVAL;
- goto error;
- }
-
-error:
- return rc;
-}
-
-int dsi_phy_timing_calc_init(struct dsi_phy_hw *phy,
- enum dsi_phy_version version)
-{
- struct phy_timing_ops *ops = NULL;
-
- if (version == DSI_PHY_VERSION_UNKNOWN ||
- version >= DSI_PHY_VERSION_MAX || !phy) {
- pr_err("Unsupported version: %d\n", version);
- return -ENOTSUPP;
- }
-
- ops = kzalloc(sizeof(struct phy_timing_ops), GFP_KERNEL);
- if (!ops)
- return -EINVAL;
- phy->ops.timing_ops = ops;
-
- switch (version) {
- case DSI_PHY_VERSION_2_0:
- ops->get_default_phy_params =
- dsi_phy_hw_v2_0_get_default_phy_params;
- ops->calc_clk_zero =
- dsi_phy_hw_v2_0_calc_clk_zero;
- ops->calc_clk_trail_rec_min =
- dsi_phy_hw_v2_0_calc_clk_trail_rec_min;
- ops->calc_clk_trail_rec_max =
- dsi_phy_hw_v2_0_calc_clk_trail_rec_max;
- ops->calc_hs_zero =
- dsi_phy_hw_v2_0_calc_hs_zero;
- ops->calc_hs_trail =
- dsi_phy_hw_v2_0_calc_hs_trail;
- ops->update_timing_params =
- dsi_phy_hw_v2_0_update_timing_params;
- break;
- case DSI_PHY_VERSION_3_0:
- ops->get_default_phy_params =
- dsi_phy_hw_v3_0_get_default_phy_params;
- ops->calc_clk_zero =
- dsi_phy_hw_v3_0_calc_clk_zero;
- ops->calc_clk_trail_rec_min =
- dsi_phy_hw_v3_0_calc_clk_trail_rec_min;
- ops->calc_clk_trail_rec_max =
- dsi_phy_hw_v3_0_calc_clk_trail_rec_max;
- ops->calc_hs_zero =
- dsi_phy_hw_v3_0_calc_hs_zero;
- ops->calc_hs_trail =
- dsi_phy_hw_v3_0_calc_hs_trail;
- ops->update_timing_params =
- dsi_phy_hw_v3_0_update_timing_params;
- break;
- case DSI_PHY_VERSION_0_0_HPM:
- case DSI_PHY_VERSION_0_0_LPM:
- case DSI_PHY_VERSION_1_0:
- default:
- kfree(ops);
- return -ENOTSUPP;
- }
-
- return 0;
-}
-
deleted file mode 100644
@@ -1,144 +0,0 @@
-/*
- * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#ifndef _DSI_PHY_TIMING_CALC_H_
-#define _DSI_PHY_TIMING_CALC_H_
-
-#include <linux/math64.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/bitops.h>
-#include <linux/bitmap.h>
-#include <linux/errno.h>
-
-#include "dsi_defs.h"
-#include "dsi_phy_hw.h"
-#include "dsi_catalog.h"
-
-/**
- * struct timing_entry - Calculated values for each timing parameter.
- * @mipi_min:
- * @mipi_max:
- * @rec_min:
- * @rec_max:
- * @rec:
- * @reg_value: Value to be programmed in register.
- */
-struct timing_entry {
- s32 mipi_min;
- s32 mipi_max;
- s32 rec_min;
- s32 rec_max;
- s32 rec;
- u8 reg_value;
-};
-
-/**
- * struct phy_timing_desc - Timing parameters for DSI PHY.
- */
-struct phy_timing_desc {
- struct timing_entry clk_prepare;
- struct timing_entry clk_zero;
- struct timing_entry clk_trail;
- struct timing_entry hs_prepare;
- struct timing_entry hs_zero;
- struct timing_entry hs_trail;
- struct timing_entry hs_rqst;
- struct timing_entry hs_rqst_clk;
- struct timing_entry hs_exit;
- struct timing_entry ta_go;
- struct timing_entry ta_sure;
- struct timing_entry ta_set;
- struct timing_entry clk_post;
- struct timing_entry clk_pre;
-};
-
-/**
- * struct phy_clk_params - Clock parameters for PHY timing calculations.
- */
-struct phy_clk_params {
- u32 bitclk_mbps;
- u32 escclk_numer;
- u32 escclk_denom;
- u32 tlpx_numer_ns;
- u32 treot_ns;
- u32 clk_prep_buf;
- u32 clk_zero_buf;
- u32 clk_trail_buf;
- u32 hs_prep_buf;
- u32 hs_zero_buf;
- u32 hs_trail_buf;
- u32 hs_rqst_buf;
- u32 hs_exit_buf;
-};
-
-/**
- * Various Ops needed for auto-calculation of DSI PHY timing parameters.
- */
-struct phy_timing_ops {
- void (*get_default_phy_params)(struct phy_clk_params *params);
-
- int32_t (*calc_clk_zero)(s64 rec_temp1, s64 mult);
-
- int32_t (*calc_clk_trail_rec_min)(s64 temp_mul,
- s64 frac, s64 mult);
-
- int32_t (*calc_clk_trail_rec_max)(s64 temp1, s64 mult);
-
- int32_t (*calc_hs_zero)(s64 temp1, s64 mult);
-
- void (*calc_hs_trail)(struct phy_clk_params *clk_params,
- struct phy_timing_desc *desc);
-
- void (*update_timing_params)(struct dsi_phy_per_lane_cfgs *timing,
- struct phy_timing_desc *desc);
-};
-
-/* DSI PHY timing functions for 14nm */
-void dsi_phy_hw_v2_0_get_default_phy_params(struct phy_clk_params *params);
-
-int32_t dsi_phy_hw_v2_0_calc_clk_zero(s64 rec_temp1, s64 mult);
-
-int32_t dsi_phy_hw_v2_0_calc_clk_trail_rec_min(s64 temp_mul,
- s64 frac, s64 mult);
-
-int32_t dsi_phy_hw_v2_0_calc_clk_trail_rec_max(s64 temp1, s64 mult);
-
-int32_t dsi_phy_hw_v2_0_calc_hs_zero(s64 temp1, s64 mult);
-
-void dsi_phy_hw_v2_0_calc_hs_trail(struct phy_clk_params *clk_params,
- struct phy_timing_desc *desc);
-
-void dsi_phy_hw_v2_0_update_timing_params(struct dsi_phy_per_lane_cfgs *timing,
- struct phy_timing_desc *desc);
-
-/* DSI PHY timing functions for 10nm */
-void dsi_phy_hw_v3_0_get_default_phy_params(struct phy_clk_params *params);
-
-int32_t dsi_phy_hw_v3_0_calc_clk_zero(s64 rec_temp1, s64 mult);
-
-int32_t dsi_phy_hw_v3_0_calc_clk_trail_rec_min(s64 temp_mul,
- s64 frac, s64 mult);
-
-int32_t dsi_phy_hw_v3_0_calc_clk_trail_rec_max(s64 temp1, s64 mult);
-
-int32_t dsi_phy_hw_v3_0_calc_hs_zero(s64 temp1, s64 mult);
-
-void dsi_phy_hw_v3_0_calc_hs_trail(struct phy_clk_params *clk_params,
- struct phy_timing_desc *desc);
-
-void dsi_phy_hw_v3_0_update_timing_params(struct dsi_phy_per_lane_cfgs *timing,
- struct phy_timing_desc *desc);
-
-#endif /* _DSI_PHY_TIMING_CALC_H_ */
deleted file mode 100644
@@ -1,126 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#define pr_fmt(fmt) "dsi-phy-timing:" fmt
-#include "dsi_phy_timing_calc.h"
-
-void dsi_phy_hw_v2_0_get_default_phy_params(struct phy_clk_params *params)
-{
- params->clk_prep_buf = 50;
- params->clk_zero_buf = 2;
- params->clk_trail_buf = 30;
- params->hs_prep_buf = 50;
- params->hs_zero_buf = 10;
- params->hs_trail_buf = 30;
- params->hs_rqst_buf = 0;
- params->hs_exit_buf = 10;
-}
-
-int32_t dsi_phy_hw_v2_0_calc_clk_zero(s64 rec_temp1, s64 mult)
-{
- s64 rec_temp2, rec_temp3;
-
- rec_temp2 = (rec_temp1 - (11 * mult));
- rec_temp3 = roundup(div_s64(rec_temp2, 8), mult);
- return (div_s64(rec_temp3, mult) - 3);
-}
-
-int32_t dsi_phy_hw_v2_0_calc_clk_trail_rec_min(s64 temp_mul,
- s64 frac, s64 mult)
-{
- s64 rec_temp1, rec_temp2, rec_temp3;
-
- rec_temp1 = temp_mul + frac + (3 * mult);
- rec_temp2 = div_s64(rec_temp1, 8);
- rec_temp3 = roundup(rec_temp2, mult);
-
- return div_s64(rec_temp3, mult);
-}
-
-int32_t dsi_phy_hw_v2_0_calc_clk_trail_rec_max(s64 temp1, s64 mult)
-{
- s64 rec_temp2, rec_temp3;
-
- rec_temp2 = temp1 + (3 * mult);
- rec_temp3 = rec_temp2 / 8;
- return div_s64(rec_temp3, mult);
-
-}
-
-int32_t dsi_phy_hw_v2_0_calc_hs_zero(s64 temp1, s64 mult)
-{
- s64 rec_temp2, rec_temp3, rec_min;
-
- rec_temp2 = temp1 - (11 * mult);
- rec_temp3 = roundup((rec_temp2 / 8), mult);
- rec_min = rec_temp3 - (3 * mult);
- return div_s64(rec_min, mult);
-}
-
-void dsi_phy_hw_v2_0_calc_hs_trail(struct phy_clk_params *clk_params,
- struct phy_timing_desc *desc)
-{
- s64 rec_temp1;
- struct timing_entry *t = &desc->hs_trail;
-
- t->rec_min = DIV_ROUND_UP(
- ((t->mipi_min * clk_params->bitclk_mbps) +
- (3 * clk_params->tlpx_numer_ns)),
- (8 * clk_params->tlpx_numer_ns));
-
- rec_temp1 = ((t->mipi_max * clk_params->bitclk_mbps) +
- (3 * clk_params->tlpx_numer_ns));
- t->rec_max = (rec_temp1 / (8 * clk_params->tlpx_numer_ns));
-}
-
-void dsi_phy_hw_v2_0_update_timing_params(
- struct dsi_phy_per_lane_cfgs *timing,
- struct phy_timing_desc *desc)
-{
- int i = 0;
-
- for (i = DSI_LOGICAL_LANE_0; i < DSI_LANE_MAX; i++) {
- timing->lane[i][0] = desc->hs_exit.reg_value;
-
- if (i == DSI_LOGICAL_CLOCK_LANE)
- timing->lane[i][1] = desc->clk_zero.reg_value;
- else
- timing->lane[i][1] = desc->hs_zero.reg_value;
-
- if (i == DSI_LOGICAL_CLOCK_LANE)
- timing->lane[i][2] = desc->clk_prepare.reg_value;
- else
- timing->lane[i][2] = desc->hs_prepare.reg_value;
-
- if (i == DSI_LOGICAL_CLOCK_LANE)
- timing->lane[i][3] = desc->clk_trail.reg_value;
- else
- timing->lane[i][3] = desc->hs_trail.reg_value;
-
- if (i == DSI_LOGICAL_CLOCK_LANE)
- timing->lane[i][4] = desc->hs_rqst_clk.reg_value;
- else
- timing->lane[i][4] = desc->hs_rqst.reg_value;
-
- timing->lane[i][5] = 0x3;
- timing->lane[i][6] = 0x4;
- timing->lane[i][7] = 0xA0;
- pr_debug("[%d][%d %d %d %d %d]\n", i, timing->lane[i][0],
- timing->lane[i][1],
- timing->lane[i][2],
- timing->lane[i][3],
- timing->lane[i][4]);
- }
- timing->count_per_lane = 8;
-}
-
deleted file mode 100644
@@ -1,107 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#define pr_fmt(fmt) "dsi-phy-timing:" fmt
-#include "dsi_phy_timing_calc.h"
-
-void dsi_phy_hw_v3_0_get_default_phy_params(
- struct phy_clk_params *params)
-{
- params->clk_prep_buf = 0;
- params->clk_zero_buf = 0;
- params->clk_trail_buf = 0;
- params->hs_prep_buf = 0;
- params->hs_zero_buf = 0;
- params->hs_trail_buf = 0;
- params->hs_rqst_buf = 0;
- params->hs_exit_buf = 0;
-}
-
-int32_t dsi_phy_hw_v3_0_calc_clk_zero(s64 rec_temp1, s64 mult)
-{
- s64 rec_temp2, rec_temp3;
-
- rec_temp2 = (rec_temp1 - mult);
- rec_temp3 = roundup(div_s64(rec_temp2, 8), mult);
- return (div_s64(rec_temp3, mult) - 1);
-}
-
-int32_t dsi_phy_hw_v3_0_calc_clk_trail_rec_min(s64 temp_mul,
- s64 frac, s64 mult)
-{
- s64 rec_temp1, rec_temp2, rec_temp3;
-
- rec_temp1 = temp_mul + frac;
- rec_temp2 = div_s64(rec_temp1, 8);
- rec_temp3 = roundup(rec_temp2, mult);
- return (div_s64(rec_temp3, mult) - 1);
-}
-
-int32_t dsi_phy_hw_v3_0_calc_clk_trail_rec_max(s64 temp1, s64 mult)
-{
- s64 rec_temp2;
-
- rec_temp2 = temp1 / 8;
- return (div_s64(rec_temp2, mult) - 1);
-}
-
-int32_t dsi_phy_hw_v3_0_calc_hs_zero(s64 temp1, s64 mult)
-{
- s64 rec_temp2, rec_min;
-
- rec_temp2 = roundup((temp1 / 8), mult);
- rec_min = rec_temp2 - (1 * mult);
- return div_s64(rec_min, mult);
-}
-
-void dsi_phy_hw_v3_0_calc_hs_trail(struct phy_clk_params *clk_params,
- struct phy_timing_desc *desc)
-{
- s64 rec_temp1;
- struct timing_entry *t = &desc->hs_trail;
-
- t->rec_min = DIV_ROUND_UP(
- (t->mipi_min * clk_params->bitclk_mbps),
- (8 * clk_params->tlpx_numer_ns)) - 1;
-
- rec_temp1 = (t->mipi_max * clk_params->bitclk_mbps);
- t->rec_max =
- (div_s64(rec_temp1, (8 * clk_params->tlpx_numer_ns))) - 1;
-}
-
-void dsi_phy_hw_v3_0_update_timing_params(
- struct dsi_phy_per_lane_cfgs *timing,
- struct phy_timing_desc *desc)
-{
- timing->lane_v3[0] = 0x00;
- timing->lane_v3[1] = desc->clk_zero.reg_value;
- timing->lane_v3[2] = desc->clk_prepare.reg_value;
- timing->lane_v3[3] = desc->clk_trail.reg_value;
- timing->lane_v3[4] = desc->hs_exit.reg_value;
- timing->lane_v3[5] = desc->hs_zero.reg_value;
- timing->lane_v3[6] = desc->hs_prepare.reg_value;
- timing->lane_v3[7] = desc->hs_trail.reg_value;
- timing->lane_v3[8] = desc->hs_rqst.reg_value;
- timing->lane_v3[9] = 0x03;
- timing->lane_v3[10] = 0x04;
- timing->lane_v3[11] = 0x00;
-
- pr_debug("[%d %d %d %d]\n", timing->lane_v3[0],
- timing->lane_v3[1], timing->lane_v3[2], timing->lane_v3[3]);
- pr_debug("[%d %d %d %d]\n", timing->lane_v3[4],
- timing->lane_v3[5], timing->lane_v3[6], timing->lane_v3[7]);
- pr_debug("[%d %d %d %d]\n", timing->lane_v3[8],
- timing->lane_v3[9], timing->lane_v3[10], timing->lane_v3[11]);
- timing->count_per_lane = 12;
-}
-
deleted file mode 100644
@@ -1,365 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/of.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-
-#include "dsi_pwr.h"
-
-/*
- * dsi_pwr_parse_supply_node() - parse power supply node from root device node
- */
-static int dsi_pwr_parse_supply_node(struct device_node *root,
- struct dsi_regulator_info *regs)
-{
- int rc = 0;
- int i = 0;
- u32 tmp = 0;
- struct device_node *node = NULL;
-
- for_each_child_of_node(root, node) {
- const char *st = NULL;
-
- rc = of_property_read_string(node, "qcom,supply-name", &st);
- if (rc) {
- pr_err("failed to read name, rc = %d\n", rc);
- goto error;
- }
-
- snprintf(regs->vregs[i].vreg_name,
- ARRAY_SIZE(regs->vregs[i].vreg_name),
- "%s", st);
-
- rc = of_property_read_u32(node, "qcom,supply-min-voltage",
- &tmp);
- if (rc) {
- pr_err("failed to read min voltage, rc = %d\n", rc);
- goto error;
- }
- regs->vregs[i].min_voltage = tmp;
-
- rc = of_property_read_u32(node, "qcom,supply-max-voltage",
- &tmp);
- if (rc) {
- pr_err("failed to read max voltage, rc = %d\n", rc);
- goto error;
- }
- regs->vregs[i].max_voltage = tmp;
-
- rc = of_property_read_u32(node, "qcom,supply-enable-load",
- &tmp);
- if (rc) {
- pr_err("failed to read enable load, rc = %d\n", rc);
- goto error;
- }
- regs->vregs[i].enable_load = tmp;
-
- rc = of_property_read_u32(node, "qcom,supply-disable-load",
- &tmp);
- if (rc) {
- pr_err("failed to read disable load, rc = %d\n", rc);
- goto error;
- }
- regs->vregs[i].disable_load = tmp;
-
- /* Optional values */
- rc = of_property_read_u32(node, "qcom,supply-pre-on-sleep",
- &tmp);
- if (rc) {
- pr_debug("pre-on-sleep not specified\n");
- rc = 0;
- } else {
- regs->vregs[i].pre_on_sleep = tmp;
- }
-
- rc = of_property_read_u32(node, "qcom,supply-pre-off-sleep",
- &tmp);
- if (rc) {
- pr_debug("pre-off-sleep not specified\n");
- rc = 0;
- } else {
- regs->vregs[i].pre_off_sleep = tmp;
- }
-
- rc = of_property_read_u32(node, "qcom,supply-post-on-sleep",
- &tmp);
- if (rc) {
- pr_debug("post-on-sleep not specified\n");
- rc = 0;
- } else {
- regs->vregs[i].post_on_sleep = tmp;
- }
-
- rc = of_property_read_u32(node, "qcom,supply-post-off-sleep",
- &tmp);
- if (rc) {
- pr_debug("post-off-sleep not specified\n");
- rc = 0;
- } else {
- regs->vregs[i].post_off_sleep = tmp;
- }
-
- ++i;
- pr_debug("[%s] minv=%d maxv=%d, en_load=%d, dis_load=%d\n",
- regs->vregs[i].vreg_name,
- regs->vregs[i].min_voltage,
- regs->vregs[i].max_voltage,
- regs->vregs[i].enable_load,
- regs->vregs[i].disable_load);
- }
-
-error:
- return rc;
-}
-
-/**
- * dsi_pwr_enable_vregs() - enable/disable regulators
- */
-static int dsi_pwr_enable_vregs(struct dsi_regulator_info *regs, bool enable)
-{
- int rc = 0, i = 0;
- struct dsi_vreg *vreg;
- int num_of_v = 0;
-
- if (enable) {
- for (i = 0; i < regs->count; i++) {
- vreg = ®s->vregs[i];
- if (vreg->pre_on_sleep)
- msleep(vreg->pre_on_sleep);
-
- rc = regulator_set_load(vreg->vreg,
- vreg->enable_load);
- if (rc < 0) {
- pr_err("Setting optimum mode failed for %s\n",
- vreg->vreg_name);
- goto error;
- }
- num_of_v = regulator_count_voltages(vreg->vreg);
- if (num_of_v > 0) {
- rc = regulator_set_voltage(vreg->vreg,
- vreg->min_voltage,
- vreg->max_voltage);
- if (rc) {
- pr_err("Set voltage(%s) fail, rc=%d\n",
- vreg->vreg_name, rc);
- goto error_disable_opt_mode;
- }
- }
-
- rc = regulator_enable(vreg->vreg);
- if (rc) {
- pr_err("enable failed for %s, rc=%d\n",
- vreg->vreg_name, rc);
- goto error_disable_voltage;
- }
-
- if (vreg->post_on_sleep)
- msleep(vreg->post_on_sleep);
- }
- } else {
- for (i = (regs->count - 1); i >= 0; i--) {
- if (regs->vregs[i].pre_off_sleep)
- msleep(regs->vregs[i].pre_off_sleep);
-
- (void)regulator_set_load(regs->vregs[i].vreg,
- regs->vregs[i].disable_load);
- (void)regulator_disable(regs->vregs[i].vreg);
-
- if (regs->vregs[i].post_off_sleep)
- msleep(regs->vregs[i].post_off_sleep);
- }
- }
-
- return 0;
-error_disable_opt_mode:
- (void)regulator_set_load(regs->vregs[i].vreg,
- regs->vregs[i].disable_load);
-
-error_disable_voltage:
- if (num_of_v > 0)
- (void)regulator_set_voltage(regs->vregs[i].vreg,
- 0, regs->vregs[i].max_voltage);
-error:
- for (i--; i >= 0; i--) {
- if (regs->vregs[i].pre_off_sleep)
- msleep(regs->vregs[i].pre_off_sleep);
-
- (void)regulator_set_load(regs->vregs[i].vreg,
- regs->vregs[i].disable_load);
-
- num_of_v = regulator_count_voltages(regs->vregs[i].vreg);
- if (num_of_v > 0)
- (void)regulator_set_voltage(regs->vregs[i].vreg,
- 0, regs->vregs[i].max_voltage);
-
- (void)regulator_disable(regs->vregs[i].vreg);
-
- if (regs->vregs[i].post_off_sleep)
- msleep(regs->vregs[i].post_off_sleep);
- }
-
- return rc;
-}
-
-/**
- * dsi_pwr_of_get_vreg_data - Parse regulator supply information
- * @of_node: Device of node to parse for supply information.
- * @regs: Pointer where regulator information will be copied to.
- * @supply_name: Name of the supply node.
- *
- * return: error code in case of failure or 0 for success.
- */
-int dsi_pwr_of_get_vreg_data(struct device_node *of_node,
- struct dsi_regulator_info *regs,
- char *supply_name)
-{
- int rc = 0;
- struct device_node *supply_root_node = NULL;
-
- if (!of_node || !regs) {
- pr_err("Bad params\n");
- return -EINVAL;
- }
-
- regs->count = 0;
- supply_root_node = of_get_child_by_name(of_node, supply_name);
- if (!supply_root_node) {
- supply_root_node = of_parse_phandle(of_node, supply_name, 0);
- if (!supply_root_node) {
- pr_debug("No supply entry present for %s\n",
- supply_name);
- return -EINVAL;
- }
- }
-
- regs->count = of_get_available_child_count(supply_root_node);
- if (regs->count == 0) {
- pr_err("No vregs defined for %s\n", supply_name);
- return -EINVAL;
- }
-
- regs->vregs = kcalloc(regs->count, sizeof(*regs->vregs), GFP_KERNEL);
- if (!regs->vregs) {
- regs->count = 0;
- return -ENOMEM;
- }
-
- rc = dsi_pwr_parse_supply_node(supply_root_node, regs);
- if (rc) {
- pr_err("failed to parse supply node for %s, rc = %d\n",
- supply_name, rc);
-
- kfree(regs->vregs);
- regs->vregs = NULL;
- regs->count = 0;
- }
-
- return rc;
-}
-
-/**
- * dsi_pwr_get_dt_vreg_data - parse regulator supply information
- * @dev: Device whose of_node needs to be parsed.
- * @regs: Pointer where regulator information will be copied to.
- * @supply_name: Name of the supply node.
- *
- * return: error code in case of failure or 0 for success.
- */
-int dsi_pwr_get_dt_vreg_data(struct device *dev,
- struct dsi_regulator_info *regs,
- char *supply_name)
-{
- int rc = 0;
- struct device_node *of_node = NULL;
- struct device_node *supply_node = NULL;
- struct device_node *supply_root_node = NULL;
-
- if (!dev || !regs) {
- pr_err("Bad params\n");
- return -EINVAL;
- }
-
- of_node = dev->of_node;
- regs->count = 0;
- supply_root_node = of_get_child_by_name(of_node, supply_name);
- if (!supply_root_node) {
- supply_root_node = of_parse_phandle(of_node, supply_name, 0);
- if (!supply_root_node) {
- pr_debug("No supply entry present for %s\n",
- supply_name);
- return -EINVAL;
- }
- }
-
- for_each_child_of_node(supply_root_node, supply_node)
- regs->count++;
-
- if (regs->count == 0) {
- pr_err("No vregs defined for %s\n", supply_name);
- return -EINVAL;
- }
-
- regs->vregs = devm_kcalloc(dev, regs->count, sizeof(*regs->vregs),
- GFP_KERNEL);
- if (!regs->vregs) {
- regs->count = 0;
- return -ENOMEM;
- }
-
- rc = dsi_pwr_parse_supply_node(supply_root_node, regs);
- if (rc) {
- pr_err("failed to parse supply node for %s, rc = %d\n",
- supply_name, rc);
- devm_kfree(dev, regs->vregs);
- regs->vregs = NULL;
- regs->count = 0;
- }
-
- return rc;
-}
-
-/**
- * dsi_pwr_enable_regulator() - enable a set of regulators
- * @regs: Pointer to set of regulators to enable or disable.
- * @enable: Enable/Disable regulators.
- *
- * return: error code in case of failure or 0 for success.
- */
-int dsi_pwr_enable_regulator(struct dsi_regulator_info *regs, bool enable)
-{
- int rc = 0;
-
- if (enable) {
- if (regs->refcount == 0) {
- rc = dsi_pwr_enable_vregs(regs, true);
- if (rc)
- pr_err("failed to enable regulators\n");
- }
- regs->refcount++;
- } else {
- if (regs->refcount == 0) {
- pr_err("Unbalanced regulator off\n");
- } else {
- regs->refcount--;
- if (regs->refcount == 0) {
- rc = dsi_pwr_enable_vregs(regs, false);
- if (rc)
- pr_err("failed to disable vregs\n");
- }
- }
- }
-
- return rc;
-}
deleted file mode 100644
@@ -1,93 +0,0 @@
-/*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _DSI_PWR_H_
-#define _DSI_PWR_H_
-
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/types.h>
-#include <linux/regulator/consumer.h>
-
-/**
- * struct dsi_vreg - regulator information for DSI regulators
- * @vreg: Handle to the regulator.
- * @vreg_name: Regulator name.
- * @min_voltage: Minimum voltage in uV.
- * @max_voltage: Maximum voltage in uV.
- * @enable_load: Load, in uA, when enabled.
- * @disable_load: Load, in uA, when disabled.
- * @pre_on_sleep: Sleep, in ms, before enabling the regulator.
- * @post_on_sleep: Sleep, in ms, after enabling the regulator.
- * @pre_off_sleep: Sleep, in ms, before disabling the regulator.
- * @post_off_sleep: Sleep, in ms, after disabling the regulator.
- */
-struct dsi_vreg {
- struct regulator *vreg;
- char vreg_name[32];
- u32 min_voltage;
- u32 max_voltage;
- u32 enable_load;
- u32 disable_load;
- u32 pre_on_sleep;
- u32 post_on_sleep;
- u32 pre_off_sleep;
- u32 post_off_sleep;
-};
-
-/**
- * struct dsi_regulator_info - set of vregs that are turned on/off together.
- * @vregs: Array of dsi_vreg structures.
- * @count: Number of vregs.
- * @refcount: Reference counting for enabling.
- */
-struct dsi_regulator_info {
- struct dsi_vreg *vregs;
- u32 count;
- u32 refcount;
-};
-
-/**
- * dsi_pwr_of_get_vreg_data - parse regulator supply information
- * @of_node: Device of node to parse for supply information.
- * @regs: Pointer where regulator information will be copied to.
- * @supply_name: Name of the supply node.
- *
- * return: error code in case of failure or 0 for success.
- */
-int dsi_pwr_of_get_vreg_data(struct device_node *of_node,
- struct dsi_regulator_info *regs,
- char *supply_name);
-
-/**
- * dsi_pwr_get_dt_vreg_data - parse regulator supply information
- * @dev: Device whose of_node needs to be parsed.
- * @regs: Pointer where regulator information will be copied to.
- * @supply_name: Name of the supply node.
- *
- * return: error code in case of failure or 0 for success.
- */
-int dsi_pwr_get_dt_vreg_data(struct device *dev,
- struct dsi_regulator_info *regs,
- char *supply_name);
-
-/**
- * dsi_pwr_enable_regulator() - enable a set of regulators
- * @regs: Pointer to set of regulators to enable or disable.
- * @enable: Enable/Disable regulators.
- *
- * return: error code in case of failure or 0 for success.
- */
-int dsi_pwr_enable_regulator(struct dsi_regulator_info *regs, bool enable);
-#endif /* _DSI_PWR_H_ */
SDM845 has switched from dsi-staging to dsi driver. Removing stale code. Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org> --- .../config/arm64/chromiumos-arm64.flavour.config | 1 - .../arm64/chromiumos-qualcomm.flavour.config | 1 - drivers/gpu/drm/msm/Kconfig | 12 - drivers/gpu/drm/msm/Makefile | 21 - drivers/gpu/drm/msm/dsi-staging/dsi_catalog.c | 241 -- drivers/gpu/drm/msm/dsi-staging/dsi_catalog.h | 201 - drivers/gpu/drm/msm/dsi-staging/dsi_clk.h | 276 -- drivers/gpu/drm/msm/dsi-staging/dsi_clk_manager.c | 1235 ------ drivers/gpu/drm/msm/dsi-staging/dsi_ctrl.c | 2846 ------------- drivers/gpu/drm/msm/dsi-staging/dsi_ctrl.h | 623 --- drivers/gpu/drm/msm/dsi-staging/dsi_ctrl_hw.h | 752 ---- drivers/gpu/drm/msm/dsi-staging/dsi_ctrl_hw_1_4.c | 480 --- drivers/gpu/drm/msm/dsi-staging/dsi_ctrl_hw_2_0.c | 234 -- drivers/gpu/drm/msm/dsi-staging/dsi_ctrl_hw_2_2.c | 42 - drivers/gpu/drm/msm/dsi-staging/dsi_ctrl_hw_cmn.c | 1312 ------ drivers/gpu/drm/msm/dsi-staging/dsi_ctrl_reg.h | 196 - drivers/gpu/drm/msm/dsi-staging/dsi_defs.h | 579 --- drivers/gpu/drm/msm/dsi-staging/dsi_display.c | 4221 -------------------- drivers/gpu/drm/msm/dsi-staging/dsi_display.h | 556 --- drivers/gpu/drm/msm/dsi-staging/dsi_display_test.c | 114 - drivers/gpu/drm/msm/dsi-staging/dsi_display_test.h | 31 - drivers/gpu/drm/msm/dsi-staging/dsi_drm.c | 688 ---- drivers/gpu/drm/msm/dsi-staging/dsi_drm.h | 127 - drivers/gpu/drm/msm/dsi-staging/dsi_hw.h | 48 - drivers/gpu/drm/msm/dsi-staging/dsi_panel.c | 3321 --------------- drivers/gpu/drm/msm/dsi-staging/dsi_panel.h | 257 -- drivers/gpu/drm/msm/dsi-staging/dsi_phy.c | 937 ----- drivers/gpu/drm/msm/dsi-staging/dsi_phy.h | 235 -- drivers/gpu/drm/msm/dsi-staging/dsi_phy_hw.h | 260 -- drivers/gpu/drm/msm/dsi-staging/dsi_phy_hw_v2_0.c | 252 -- drivers/gpu/drm/msm/dsi-staging/dsi_phy_hw_v3_0.c | 447 --- .../gpu/drm/msm/dsi-staging/dsi_phy_timing_calc.c | 676 ---- .../gpu/drm/msm/dsi-staging/dsi_phy_timing_calc.h | 144 - .../gpu/drm/msm/dsi-staging/dsi_phy_timing_v2_0.c | 126 - .../gpu/drm/msm/dsi-staging/dsi_phy_timing_v3_0.c | 107 - drivers/gpu/drm/msm/dsi-staging/dsi_pwr.c | 365 -- drivers/gpu/drm/msm/dsi-staging/dsi_pwr.h | 93 - 37 files changed, 22057 deletions(-) delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_catalog.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_catalog.h delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_clk.h delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_clk_manager.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_ctrl.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_ctrl.h delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_ctrl_hw.h delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_ctrl_hw_1_4.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_ctrl_hw_2_0.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_ctrl_hw_2_2.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_ctrl_hw_cmn.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_ctrl_reg.h delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_defs.h delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_display.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_display.h delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_display_test.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_display_test.h delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_drm.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_drm.h delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_hw.h delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_panel.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_panel.h delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_phy.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_phy.h delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_phy_hw.h delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_phy_hw_v2_0.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_phy_hw_v3_0.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_phy_timing_calc.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_phy_timing_calc.h delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_phy_timing_v2_0.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_phy_timing_v3_0.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_pwr.c delete mode 100644 drivers/gpu/drm/msm/dsi-staging/dsi_pwr.h