From patchwork Tue Jun 30 21:27:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Chrisanthus, Anitha" X-Patchwork-Id: 11634937 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0DB6C13B4 for ; Tue, 30 Jun 2020 21:29:49 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EA0872072D for ; Tue, 30 Jun 2020 21:29:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EA0872072D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 46CD36E42B; Tue, 30 Jun 2020 21:29:16 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1A7316E31D; Tue, 30 Jun 2020 21:28:40 +0000 (UTC) IronPort-SDR: IDVxE8P8WrH58E+k0QAf3e5nec7yrNQ7WuZxs/DjApoOkS1MU3YH2qEriKl6X9cNb9wPwXKExP BdqzMZxhcXiQ== X-IronPort-AV: E=McAfee;i="6000,8403,9668"; a="144554700" X-IronPort-AV: E=Sophos;i="5.75,298,1589266800"; d="scan'208";a="144554700" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jun 2020 14:28:39 -0700 IronPort-SDR: a4XpBlnpNIwb1z+XjAF08efwARnogtyGF6/x/CxS1ufrgWRdoMtKhgFV0+lq0siuN5pYCu1kqz 8lEEK5BhsWww== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,298,1589266800"; d="scan'208";a="481066652" Received: from hdwiyono-mobl.amr.corp.intel.com (HELO achrisan-DESK2.amr.corp.intel.com) ([10.254.176.225]) by fmsmga006.fm.intel.com with ESMTP; 30 Jun 2020 14:28:39 -0700 From: Anitha Chrisanthus To: dri-devel@lists.freedesktop.org, anitha.chrisanthus@intel.com, bob.j.paauwe@intel.com, edmund.j.dea@intel.com Subject: [PATCH 13/59] drm/kmb: Part4 of Mipi Tx Initialization Date: Tue, 30 Jun 2020 14:27:25 -0700 Message-Id: <1593552491-23698-14-git-send-email-anitha.chrisanthus@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593552491-23698-1-git-send-email-anitha.chrisanthus@intel.com> References: <1593552491-23698-1-git-send-email-anitha.chrisanthus@intel.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: daniel.vetter@intel.com, intel-gfx@lists.freedesktop.org, rodrigo.vivi@intel.com MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This initializes the mipi high speed transmitter CTRL and SYNC configuration registers. Signed-off-by: Anitha Chrisanthus Reviewed-by: Bob Paauwe --- drivers/gpu/drm/kmb/kmb_dsi.c | 55 ++++++++++++++++++++++++++++++++++++++++-- drivers/gpu/drm/kmb/kmb_regs.h | 29 +++++++++++++++++++++- 2 files changed, 81 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/kmb/kmb_dsi.c b/drivers/gpu/drm/kmb/kmb_dsi.c index 92a62e5..886a8ac 100644 --- a/drivers/gpu/drm/kmb/kmb_dsi.c +++ b/drivers/gpu/drm/kmb/kmb_dsi.c @@ -553,6 +553,55 @@ static void mipi_tx_multichannel_fifo_cfg(u8 active_lanes, u8 vchannel_id) kmb_set_bit_mipi(MIPI_TXm_HS_MC_FIFO_CTRL_EN(ctrl_no), vchannel_id); } +static void mipi_tx_ctrl_cfg(u8 fg_id, struct mipi_ctrl_cfg *ctrl_cfg) +{ + u32 sync_cfg = 0, ctrl = 0, fg_en; + u32 ctrl_no = MIPI_CTRL6; + + /*MIPI_TX_HS_SYNC_CFG*/ + if (ctrl_cfg->tx_ctrl_cfg.line_sync_pkt_en) + sync_cfg |= LINE_SYNC_PKT_ENABLE; + if (ctrl_cfg->tx_ctrl_cfg.frame_counter_active) + sync_cfg |= FRAME_COUNTER_ACTIVE; + if (ctrl_cfg->tx_ctrl_cfg.line_counter_active) + sync_cfg |= LINE_COUNTER_ACTIVE; + if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->v_blanking) + sync_cfg |= DSI_V_BLANKING; + if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->hsa_blanking) + sync_cfg |= DSI_HSA_BLANKING; + if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->hbp_blanking) + sync_cfg |= DSI_HBP_BLANKING; + if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->hfp_blanking) + sync_cfg |= DSI_HFP_BLANKING; + if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->sync_pulse_eventn) + sync_cfg |= DSI_SYNC_PULSE_EVENTN; + if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->lpm_first_vsa_line) + sync_cfg |= DSI_LPM_FIRST_VSA_LINE; + if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->lpm_last_vfp_line) + sync_cfg |= DSI_LPM_LAST_VFP_LINE; + /* enable frame generator */ + fg_en = 1 << fg_id; + sync_cfg |= FRAME_GEN_EN(fg_en); + if (ctrl_cfg->tx_ctrl_cfg.tx_always_use_hact) + sync_cfg |= ALWAYS_USE_HACT(fg_en); + if (ctrl_cfg->tx_ctrl_cfg.tx_hact_wait_stop) + sync_cfg |= HACT_WAIT_STOP(fg_en); + + /* MIPI_TX_HS_CTRL*/ + ctrl = HS_CTRL_EN | TX_SOURCE; /* type:DSI,source:LCD */ + if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->eotp_en) + ctrl |= DSI_EOTP_EN; + if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->hfp_blank_en) + ctrl |= DSI_CMD_HFP_EN; + ctrl |= LCD_VC(fg_id); + ctrl |= ACTIVE_LANES(ctrl_cfg->active_lanes - 1); + /*67 ns stop time*/ + ctrl |= HSEXIT_CNT(0x43); + + kmb_write_mipi(MIPI_TXm_HS_SYNC_CFG(ctrl_no), sync_cfg); + kmb_write_mipi(MIPI_TXm_HS_CTRL(ctrl_no), ctrl); +} + static u32 mipi_tx_init_cntrl(struct kmb_drm_private *dev_priv, struct mipi_ctrl_cfg *ctrl_cfg) { @@ -596,8 +645,7 @@ static u32 mipi_tx_init_cntrl(struct kmb_drm_private *dev_priv, /* set frame specific parameters */ mipi_tx_fg_cfg(dev_priv, frame_id, ctrl_cfg->active_lanes, bits_per_pclk, - word_count, - ctrl_cfg->lane_rate_mbps, + word_count, ctrl_cfg->lane_rate_mbps, ctrl_cfg->tx_ctrl_cfg.frames[frame_id]); active_vchannels++; @@ -612,6 +660,9 @@ static u32 mipi_tx_init_cntrl(struct kmb_drm_private *dev_priv, return -EINVAL; /*Multi-Channel FIFO Configuration*/ mipi_tx_multichannel_fifo_cfg(ctrl_cfg->active_lanes, frame_id); + + /*Frame Generator Enable */ + mipi_tx_ctrl_cfg(frame_id, ctrl_cfg); return ret; } diff --git a/drivers/gpu/drm/kmb/kmb_regs.h b/drivers/gpu/drm/kmb/kmb_regs.h index d6fcead..9a5f371 100644 --- a/drivers/gpu/drm/kmb/kmb_regs.h +++ b/drivers/gpu/drm/kmb/kmb_regs.h @@ -398,7 +398,35 @@ #define MIPI_CTRL_HS_BASE_ADDR (0x400) #define MIPI_TX_HS_CTRL (0x0) +#define MIPI_TXm_HS_CTRL(M) (MIPI_TX_HS_CTRL + (0x400*M)) +#define HS_CTRL_EN (1 << 0) +#define HS_CTRL_CSIDSIN (1 << 2) /*1:CSI 0:DSI*/ +#define TX_SOURCE (1 << 3) /*1:LCD, 0:DMA*/ +#define ACTIVE_LANES(n) ((n) << 4) +#define LCD_VC(ch) ((ch) << 8) +#define DSI_EOTP_EN (1 << 11) +#define DSI_CMD_HFP_EN (1 << 12) +#define CRC_EN (1 << 14) +#define HSEXIT_CNT(n) ((n) << 16) +#define HSCLKIDLE_CNT (1 << 24) #define MIPI_TX_HS_SYNC_CFG (0x8) +#define MIPI_TXm_HS_SYNC_CFG(M) (MIPI_TX_HS_SYNC_CFG \ + + (0x400*M)) +#define LINE_SYNC_PKT_ENABLE (1 << 0) +#define FRAME_COUNTER_ACTIVE (1 << 1) +#define LINE_COUNTER_ACTIVE (1 << 2) +#define DSI_V_BLANKING (1 << 4) +#define DSI_HSA_BLANKING (1 << 5) +#define DSI_HBP_BLANKING (1 << 6) +#define DSI_HFP_BLANKING (1 << 7) +#define DSI_SYNC_PULSE_EVENTN (1 << 8) +#define DSI_LPM_FIRST_VSA_LINE (1 << 9) +#define DSI_LPM_LAST_VFP_LINE (1 << 10) +#define WAIT_ALL_SECT (1 << 11) +#define WAIT_TRIG_POS (1 << 15) +#define ALWAYS_USE_HACT(f) ((f) << 19) +#define FRAME_GEN_EN(f) ((f) << 23) +#define HACT_WAIT_STOP(f) ((f) << 28) #define MIPI_TX0_HS_FG0_SECT0_PH (0x40) #define MIPI_TXm_HS_FGn_SECTo_PH(M, N, O) (MIPI_TX0_HS_FG0_SECT0_PH + \ (0x400*M) + (0x2C*N) + (8*O)) @@ -454,7 +482,6 @@ #define MIPI_TX_HS_LLP_H_FRONTPORCH0 (0x15c) #define MIPI_TXm_HS_LLP_H_FRONTPORCHn(M, N) (MIPI_TX_HS_LLP_H_FRONTPORCH0 \ + (0x400*M) + (0x4*N)) - #define MIPI_TX_HS_MC_FIFO_CTRL_EN (0x194) #define MIPI_TXm_HS_MC_FIFO_CTRL_EN(M) (MIPI_TX_HS_MC_FIFO_CTRL_EN \ + (0x400*M))