@@ -746,6 +746,8 @@ config VIDEO_NOON010PC30
---help---
This driver supports NOON010PC30 CIF camera from Siliconfile
+source "drivers/media/video/m5mols/Kconfig"
+
config VIDEO_OMAP3
tristate "OMAP 3 Camera support (EXPERIMENTAL)"
select OMAP_IOMMU
@@ -68,6 +68,7 @@ obj-$(CONFIG_VIDEO_TVEEPROM) += tveeprom.o
obj-$(CONFIG_VIDEO_MT9V011) += mt9v011.o
obj-$(CONFIG_VIDEO_SR030PC30) += sr030pc30.o
obj-$(CONFIG_VIDEO_NOON010PC30) += noon010pc30.o
+obj-$(CONFIG_VIDEO_M5MOLS) += m5mols/
obj-$(CONFIG_SOC_CAMERA_IMX074) += imx074.o
obj-$(CONFIG_SOC_CAMERA_MT9M001) += mt9m001.o
new file mode 100644
@@ -0,0 +1,5 @@
+config VIDEO_M5MOLS
+ tristate "Fujitsu M-5MOLS 8MP sensor support"
+ depends on I2C && VIDEO_V4L2
+ ---help---
+ This driver supports Fujitsu M-5MOLS camera sensor with ISP
new file mode 100644
@@ -0,0 +1,3 @@
+m5mols-objs := m5mols_core.o m5mols_controls.o
+
+obj-$(CONFIG_VIDEO_M5MOLS) += m5mols.o
new file mode 100644
@@ -0,0 +1,251 @@
+/*
+ * Header for M-5MOLS 8M Pixel camera sensor with ISP
+ *
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd
+ * Author: HeungJun Kim, riverful.kim@samsung.com
+ *
+ * Copyright (C) 2009 Samsung Electronics Co., Ltd
+ * Author: Dongsoo Nathaniel Kim, dongsoo45.kim@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef M5MOLS_H
+#define M5MOLS_H
+
+#include <media/v4l2-subdev.h>
+#include "m5mols_reg.h"
+
+extern int m5mols_debug;
+
+enum m5mols_mode {
+ MODE_SYSINIT,
+ MODE_PARAM,
+ MODE_MONITOR,
+ MODE_UNKNOWN,
+};
+
+enum m5mols_status {
+ STATUS_SYSINIT,
+ STATUS_PARAM,
+ STATUS_MONITOR,
+ STATUS_AUTO_FOCUS,
+ STATUS_FD, /* Face Detection */
+ STATUS_DC, /* Dual Capture */
+ STATUS_SC, /* Single Capture */
+ STATUS_PREVIEW,
+ STATUS_UNKNOWN,
+};
+
+enum m5mols_i2c_size {
+ I2C_8BIT = 1,
+ I2C_16BIT = 2,
+ I2C_32BIT = 4,
+ I2C_MAX = I2C_32BIT,
+};
+
+enum m5mols_fps {
+ M5MOLS_FPS_AUTO = 0,
+ M5MOLS_FPS_10 = 10,
+ M5MOLS_FPS_12 = 12,
+ M5MOLS_FPS_15 = 15,
+ M5MOLS_FPS_20 = 20,
+ M5MOLS_FPS_21 = 21,
+ M5MOLS_FPS_22 = 22,
+ M5MOLS_FPS_23 = 23,
+ M5MOLS_FPS_24 = 24,
+ M5MOLS_FPS_30 = 30,
+ M5MOLS_FPS_MAX = M5MOLS_FPS_30,
+};
+
+enum m5mols_res_type {
+ M5MOLS_RES_MON,
+ M5MOLS_RES_MAX,
+};
+
+struct m5mols_resolution {
+ u8 value;
+ enum m5mols_res_type type;
+ u16 width;
+ u16 height;
+};
+
+struct m5mols_format {
+ enum v4l2_mbus_pixelcode code;
+ enum v4l2_colorspace colorspace;
+};
+
+/* version maximum counts = version values + version strings + AF version */
+#define VER_STR_MAX 22
+#define VER_MAX (10 + VER_STR_MAX + 1)
+
+struct m5mols_version {
+ u8 ctm_code; /* customer code - address offset 0x0 */
+ u8 pj_code; /* project code - address offset 0x1 */
+ u16 fw; /* firmware version - offset 0x2, 0x3 */
+ u16 hw; /* hardware version - offset 0x4, 0x5 */
+ u16 parm; /* parameter version - offset 0x6, 0x7 */
+ u16 awb; /* AWB version - offset 0x8, 0x9 */
+ u8 str[VER_STR_MAX]; /* manufacturer & packging vendor */
+ u8 af; /* AF version */
+};
+
+struct m5mols_info {
+ struct v4l2_subdev sd;
+ struct v4l2_mbus_framefmt fmt[M5MOLS_RES_MAX];
+ struct v4l2_fract tpf;
+ enum v4l2_mbus_pixelcode code; /* last setted. */
+ const struct m5mols_platform_data *pdata;
+
+ /* additional power function, like GPIO or etc. */
+ int (*set_power)(struct device *dev, int on);
+ struct m5mols_version ver;
+ struct work_struct work_irq;
+ struct work_struct work_af;
+ bool poweron;
+
+ /* it is used when want to be called only once after probing */
+ bool do_once;
+
+ /* v4l2 control clusters */
+ struct v4l2_ctrl_handler handle;
+ struct {
+ struct v4l2_ctrl *autoexposure;
+ struct v4l2_ctrl *exposure;
+ };
+ struct v4l2_ctrl *autowb;
+ struct v4l2_ctrl *colorfx;
+ struct v4l2_ctrl *saturation;
+ struct v4l2_ctrl *zoom;
+ struct v4l2_ctrl *autofocus;
+
+ /* control & status variables */
+ bool lock_ae;
+ bool lock_awb;
+ bool focusing;
+ bool streaming;
+ enum m5mols_mode mode;
+ enum m5mols_mode mode_backup;
+ enum m5mols_status status;
+
+ /* resolution size/fps preset variables */
+ u8 res_preset;
+ u8 fps_preset;
+};
+
+/* I2C functions - referenced by below I2C helper functions */
+int m5mols_read_reg(struct v4l2_subdev *sd, enum m5mols_i2c_size size,
+ u8 category, u8 cmd, u32 *val);
+int m5mols_write_reg(struct v4l2_subdev *sd, enum m5mols_i2c_size size,
+ u8 category, u8 cmd, u32 val);
+int m5mols_check_busy(struct v4l2_subdev *sd,
+ u8 category, u8 cmd, u32 value);
+
+/* The system mode & status functions */
+void m5mols_show_mode(struct v4l2_subdev *sd);
+int m5mols_set_mode(struct v4l2_subdev *sd, enum m5mols_mode mode);
+enum m5mols_status m5mols_get_status(struct v4l2_subdev *sd);
+
+/* The utility functions */
+int get_res_preset(struct v4l2_subdev *sd, u16 width, u16 height,
+ enum m5mols_res_type type);
+
+/* The externing camera control functions */
+int m5mols_lock_ae(struct m5mols_info *info, bool lock);
+int m5mols_lock_awb(struct m5mols_info *info, bool lock);
+void m5mols_af_work(struct work_struct *work);
+int m5mols_set_ctrl(struct v4l2_ctrl *ctrl);
+
+/* helper functions */
+static inline struct m5mols_info *to_m5mols(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct m5mols_info, sd);
+}
+
+static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
+{
+ return &container_of(ctrl->handler, struct m5mols_info, handle)->sd;
+}
+
+static inline bool is_streaming(struct v4l2_subdev *sd)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ return info->streaming;
+}
+
+static inline bool is_powerup(struct v4l2_subdev *sd)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ return info->poweron;
+}
+
+static inline int __must_check i2c_w8_system(struct v4l2_subdev *sd,
+ u8 cmd, u32 val)
+{
+ return m5mols_write_reg(sd, I2C_8BIT, CAT_SYSTEM, cmd, val);
+}
+
+static inline int __must_check i2c_w8_param(struct v4l2_subdev *sd,
+ u8 cmd, u32 val)
+{
+ return m5mols_write_reg(sd, I2C_8BIT, CAT_PARAM, cmd, val);
+}
+
+static inline int __must_check i2c_w8_mon(struct v4l2_subdev *sd,
+ u8 cmd, u32 val)
+{
+ return m5mols_write_reg(sd, I2C_8BIT, CAT_MONITOR, cmd, val);
+}
+
+static inline int __must_check i2c_w8_ae(struct v4l2_subdev *sd,
+ u8 cmd, u32 val)
+{
+ return m5mols_write_reg(sd, I2C_8BIT, CAT_AE, cmd, val);
+}
+
+static inline int __must_check i2c_w16_ae(struct v4l2_subdev *sd,
+ u8 cmd, u32 val)
+{
+ return m5mols_write_reg(sd, I2C_16BIT, CAT_AE, cmd, val);
+}
+
+static inline int __must_check i2c_w8_wb(struct v4l2_subdev *sd,
+ u8 cmd, u32 val)
+{
+ return m5mols_write_reg(sd, I2C_8BIT, CAT_WB, cmd, val);
+}
+
+static inline int __must_check i2c_w8_lens(struct v4l2_subdev *sd,
+ u8 cmd, u32 val)
+{
+ return m5mols_write_reg(sd, I2C_8BIT, CAT_LENS, cmd, val);
+}
+
+static inline int __must_check i2c_w8_flash(struct v4l2_subdev *sd,
+ u8 cmd, u32 val)
+{
+ return m5mols_write_reg(sd, I2C_8BIT, CAT_FLASH, cmd, val);
+}
+
+static inline int __must_check i2c_r8_system(struct v4l2_subdev *sd,
+ u8 cmd, u32 *val)
+{
+ return m5mols_read_reg(sd, I2C_8BIT, CAT_SYSTEM, cmd, val);
+}
+
+static inline int __must_check i2c_r16_ae(struct v4l2_subdev *sd,
+ u8 cmd, u32 *val)
+{
+ return m5mols_read_reg(sd, I2C_16BIT, CAT_AE, cmd, val);
+}
+
+static inline int __must_check i2c_r8_lens(struct v4l2_subdev *sd,
+ u8 cmd, u32 *val)
+{
+ return m5mols_read_reg(sd, I2C_8BIT, CAT_LENS, cmd, val);
+}
+
+#endif /* M5MOLS_H */
new file mode 100644
@@ -0,0 +1,213 @@
+/*
+ * Controls for M-5MOLS 8M Pixel camera sensor with ISP
+ *
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd
+ * Author: HeungJun Kim, riverful.kim@samsung.com
+ *
+ * Copyright (C) 2009 Samsung Electronics Co., Ltd
+ * Author: Dongsoo Nathaniel Kim, dongsoo45.kim@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-ctrls.h>
+
+#include "m5mols.h"
+#include "m5mols_reg.h"
+
+/* The externing camera control functions */
+int m5mols_lock_ae(struct m5mols_info *info, bool lock)
+{
+ struct v4l2_subdev *sd = &info->sd;
+
+ return i2c_w8_ae(sd, CAT3_AE_LOCK, !!(info->lock_ae = lock));
+}
+
+int m5mols_lock_awb(struct m5mols_info *info, bool lock)
+{
+ struct v4l2_subdev *sd = &info->sd;
+
+ info->lock_awb = lock;
+
+ return i2c_w8_wb(sd, CAT6_AWB_LOCK, !!(info->lock_awb = lock));
+}
+
+void m5mols_af_work(struct work_struct *work)
+{
+ struct m5mols_info *info = container_of(work, struct m5mols_info,
+ work_af);
+ struct v4l2_subdev *sd = &info->sd;
+ int ret;
+
+ info->focusing = true;
+
+ /* locking AE/AWB */
+ ret = m5mols_lock_ae(info, true);
+ if (!ret)
+ ret = m5mols_lock_awb(info, true);
+ if (!ret)
+ /* First, stop AF and set the AF mode. Second, start AF. */
+ ret = i2c_w8_lens(sd, CATA_AF_EXCUTE, REG_AF_STOP);
+ if (!ret)
+ ret = i2c_w8_lens(sd, CATA_AF_MODE, REG_AF_MODE_NORMAL);
+ if (!ret)
+ ret = m5mols_check_busy(sd, CAT_LENS, CATA_AF_STATUS,
+ REG_AF_IDLE);
+ if (!ret)
+ ret = i2c_w8_lens(sd, CATA_AF_EXCUTE, REG_AF_EXE_AUTO);
+ if (!ret)
+ ret = m5mols_check_busy(sd, CAT_LENS, CATA_AF_STATUS,
+ REG_AF_SUCCESS);
+ if (!ret)
+ ret = m5mols_lock_ae(info, false);
+ if (!ret)
+ ret = m5mols_lock_awb(info, false);
+
+ /* If focus is failed, just set the focusing done */
+ info->focusing = false;
+}
+
+/* v4l2 control functions */
+static int m5mols_wb_mode(struct m5mols_info *info, struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ int ret;
+
+ if (info->lock_awb)
+ ret = m5mols_lock_awb(info, false);
+ if (!ret)
+ ret = i2c_w8_wb(sd, CAT6_AWB_MODE, ctrl->val ?
+ REG_AWB_MODE_AUTO : REG_AWB_MODE_MANUAL);
+
+ return ret;
+}
+
+static int m5mols_exposure_mode(struct m5mols_info *info,
+ struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ int ret;
+
+ if (info->lock_ae)
+ ret = m5mols_lock_ae(info, false);
+ if (!ret)
+ ret = i2c_w8_ae(sd, CAT3_AE_MODE,
+ (ctrl->val == V4L2_EXPOSURE_AUTO) ?
+ REG_AE_MODE_ALL : REG_AE_MODE_OFF);
+ return ret;
+}
+
+static int m5mols_exposure(struct m5mols_info *info)
+{
+ struct v4l2_subdev *sd = &info->sd;
+
+ return i2c_w16_ae(sd, CAT3_MANUAL_GAIN_MON, info->exposure->val);
+}
+
+static int m5mols_zoom(struct m5mols_info *info, struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = &info->sd;
+
+ return i2c_w8_mon(sd, CAT2_ZOOM, ctrl->val);
+}
+
+static int m5mols_set_saturation(struct m5mols_info *info,
+ struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ static u8 m5mols_chroma_lvl[] = {
+ REG_CHROMA_LVL0, REG_CHROMA_LVL1, REG_CHROMA_LVL2,
+ REG_CHROMA_LVL3, REG_CHROMA_LVL4, REG_CHROMA_LVL5,
+ REG_CHROMA_LVL6,
+ };
+ int ret;
+
+ ret = i2c_w8_mon(sd, CAT2_CHROMA_LVL, m5mols_chroma_lvl[ctrl->val]);
+ if (!ret)
+ ret = i2c_w8_mon(sd, CAT2_CHROMA_EN, REG_CHROMA_ON);
+
+ return ret;
+}
+
+static int m5mols_set_colorfx(struct m5mols_info *info, struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ int ret;
+
+ /* This contol uses 2 kinds of register: normal effect & color effect.
+ * The normal effect belongs to category 1. On the other hand the color
+ * effect belongs to category 2.
+ *
+ * The normal effect uses one register
+ * : CAT1_EFFECT
+ * The color effect uses three register
+ * : CAT2_COLOR_EFFECT, CAT2_CFIXR, CAT2_CFIXB */
+
+ ret = i2c_w8_param(sd, CAT1_EFFECT,
+ ctrl->val == V4L2_COLORFX_NEGATIVE ?
+ REG_EFFECT_NEGATIVE :
+ ctrl->val == V4L2_COLORFX_EMBOSS ?
+ REG_EFFECT_EMBOSS :
+ REG_EFFECT_OFF);
+ if (!ret)
+ ret = i2c_w8_mon(sd, CAT2_COLOR_EFFECT,
+ ctrl->val == V4L2_COLORFX_SEPIA ?
+ REG_COLOR_EFFECT_ON : REG_COLOR_EFFECT_OFF);
+ if (!ret)
+ ret = i2c_w8_mon(sd, CAT2_CFIXR,
+ ctrl->val == V4L2_COLORFX_SEPIA ?
+ REG_CFIXR_SEPIA : 0);
+ if (!ret)
+ ret = i2c_w8_mon(sd, CAT2_CFIXB,
+ ctrl->val == V4L2_COLORFX_SEPIA ?
+ REG_CFIXB_SEPIA : 0);
+
+ return ret;
+}
+
+static int m5mols_af(struct m5mols_info *info, struct v4l2_ctrl *ctrl)
+{
+ if (!info->focusing)
+ schedule_work(&info->work_af);
+ return 0;
+}
+
+/* The function called by s_ctrl() */
+int m5mols_set_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = to_sd(ctrl);
+ struct m5mols_info *info = to_m5mols(sd);
+ int ret;
+
+ switch (ctrl->id) {
+ case V4L2_CID_ZOOM_ABSOLUTE:
+ return m5mols_zoom(info, ctrl);
+ case V4L2_CID_EXPOSURE_AUTO:
+ if (!ctrl->is_new)
+ ctrl->val = V4L2_EXPOSURE_MANUAL;
+ ret = m5mols_exposure_mode(info, ctrl);
+ if (!ret && ctrl->val == V4L2_EXPOSURE_MANUAL)
+ ret = m5mols_exposure(info);
+ return ret;
+ case V4L2_CID_AUTO_WHITE_BALANCE:
+ return m5mols_wb_mode(info, ctrl);
+ case V4L2_CID_SATURATION:
+ return m5mols_set_saturation(info, ctrl);
+ case V4L2_CID_COLORFX:
+ return m5mols_set_colorfx(info, ctrl);
+ case V4L2_CID_FOCUS_AUTO:
+ if (ctrl->val)
+ ret = m5mols_af(info, ctrl);
+ else
+ ret = i2c_w8_lens(sd, CATA_AF_EXCUTE, REG_AF_STOP);
+ return ret;
+ }
+
+ return -EINVAL;
+}
new file mode 100644
@@ -0,0 +1,1062 @@
+/*
+ * Driver for M-5MOLS 8M Pixel camera sensor with ISP
+ *
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd
+ * Author: HeungJun Kim, riverful.kim@samsung.com
+ *
+ * Copyright (C) 2009 Samsung Electronics Co., Ltd
+ * Author: Dongsoo Nathaniel Kim, dongsoo45.kim@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/version.h>
+#include <linux/gpio.h>
+#include <linux/regulator/consumer.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-subdev.h>
+#include <media/m5mols.h>
+
+#include "m5mols.h"
+#include "m5mols_reg.h"
+
+int m5mols_debug;
+module_param(m5mols_debug, int, 0644);
+
+#define MOD_NAME "M5MOLS"
+#define M5MOLS_I2C_CHECK_RETRY 300
+
+/* M-5MOLS mode */
+static u8 m5mols_reg_mode[] = {
+ [MODE_SYSINIT] = REG_MODE_SYSINIT,
+ [MODE_PARAM] = REG_MODE_PARAM,
+ [MODE_MONITOR] = REG_MODE_MONITOR,
+};
+
+/* M-5MOLS regulator consumer names */
+/* The DEFAULT names of power are referenced with M-5MOLS datasheet. */
+static struct regulator_bulk_data supplies[] = {
+ {
+ /* core power - 1.2v, generally at the M-5MOLS */
+ .supply = "core",
+ }, {
+ .supply = "dig_18", /* digital power 1 - 1.8v */
+ }, {
+ .supply = "d_sensor", /* sensor power 1 - 1.8v */
+ }, {
+ .supply = "dig_28", /* digital power 2 - 2.8v */
+ }, {
+ .supply = "a_sensor", /* analog power */
+ }, {
+ .supply = "dig_12", /* digital power 3 - 1.2v */
+ },
+};
+
+/* M-5MOLS default format (codes, sizes, preset values) */
+static const struct v4l2_mbus_framefmt default_fmt[M5MOLS_RES_MAX] = {
+ [M5MOLS_RES_MON] = {
+ .width = 1920,
+ .height = 1080,
+ .code = V4L2_MBUS_FMT_VYUY8_2X8,
+ .field = V4L2_FIELD_NONE,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ },
+};
+
+static const struct m5mols_format m5mols_formats[] = {
+ [M5MOLS_RES_MON] = {
+ .code = V4L2_MBUS_FMT_VYUY8_2X8,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ },
+};
+
+/* M-5MOLS default FPS */
+static const struct v4l2_fract default_fps = {
+ .numerator = 1,
+ .denominator = M5MOLS_FPS_AUTO,
+};
+
+static const struct m5mols_resolution m5mols_reg_res[] = {
+ /* monitor size */
+ { 0x01, M5MOLS_RES_MON, 128, 96 }, /* SUB-QCIF */
+ { 0x03, M5MOLS_RES_MON, 160, 120 }, /* QQVGA */
+ { 0x05, M5MOLS_RES_MON, 176, 144 }, /* QCIF */
+ { 0x06, M5MOLS_RES_MON, 176, 176 }, /* 176*176 */
+ { 0x08, M5MOLS_RES_MON, 240, 320 }, /* 1 QVGA */
+ { 0x09, M5MOLS_RES_MON, 320, 240 }, /* QVGA */
+ { 0x0c, M5MOLS_RES_MON, 240, 400 }, /* l WQVGA */
+ { 0x0d, M5MOLS_RES_MON, 400, 240 }, /* WQVGA */
+ { 0x0e, M5MOLS_RES_MON, 352, 288 }, /* CIF */
+ { 0x13, M5MOLS_RES_MON, 480, 360 }, /* 480*360 */
+ { 0x15, M5MOLS_RES_MON, 640, 360 }, /* qHD */
+ { 0x17, M5MOLS_RES_MON, 640, 480 }, /* VGA */
+ { 0x18, M5MOLS_RES_MON, 720, 480 }, /* 720x480 */
+ { 0x1a, M5MOLS_RES_MON, 800, 480 }, /* WVGA */
+ { 0x1f, M5MOLS_RES_MON, 800, 600 }, /* SVGA */
+ { 0x21, M5MOLS_RES_MON, 1280, 720 }, /* HD */
+ { 0x25, M5MOLS_RES_MON, 1920, 1080 }, /* 1080p */
+ { 0x29, M5MOLS_RES_MON, 3264, 2448 }, /* 8M (2.63fps@3264*2448) */
+ { 0x30, M5MOLS_RES_MON, 320, 240 }, /* 60fps for slow motion */
+ { 0x31, M5MOLS_RES_MON, 320, 240 }, /* 120fps for slow motion */
+ { 0x39, M5MOLS_RES_MON, 800, 602 }, /* AHS_MON debug */
+};
+
+static u8 m5mols_reg_fps[] = {
+ [M5MOLS_FPS_AUTO] = 0x01,
+ [M5MOLS_FPS_10] = 0x05,
+ [M5MOLS_FPS_12] = 0x04,
+ [M5MOLS_FPS_15] = 0x03,
+ [M5MOLS_FPS_20] = 0x08,
+ [M5MOLS_FPS_21] = 0x09,
+ [M5MOLS_FPS_22] = 0x0a,
+ [M5MOLS_FPS_23] = 0x0b,
+ [M5MOLS_FPS_24] = 0x07,
+ [M5MOLS_FPS_30] = 0x02,
+};
+
+/*
+ * m5mols_swap_byte() / to_res_type() - These functions is utility.
+ *
+ * The m5mols_swap_byte() returns value swapped depends on 8/16/32 width.
+ * The value independent system. It generally is used in the I2C function.
+ */
+static u32 m5mols_swap_byte(u8 *data, enum m5mols_i2c_size size)
+{
+ if (size == I2C_8BIT)
+ return *data;
+ else if (size == I2C_16BIT)
+ return be16_to_cpu(*((u16 *)data));
+ else
+ return be32_to_cpu(*((u32 *)data));
+}
+
+static enum m5mols_res_type to_res_type(struct v4l2_subdev *sd,
+ enum v4l2_mbus_pixelcode code)
+{
+ int i = ARRAY_SIZE(m5mols_formats);
+
+ while (i--)
+ if (code == m5mols_formats[i].code)
+ break;
+ if (i < 0)
+ return M5MOLS_RES_MAX;
+ return i;
+}
+
+/*
+ * m5mols_read_reg() / m5mols_write_reg() - handle sensor's I2C communications.
+ *
+ * The I2C command packet of M-5MOLS is made up 3 kinds of I2C bytes(category,
+ * command, bytes). Reference m5mols.h.
+ *
+ * The packet is needed 2, when M-5MOLS is read through I2C.
+ * The packet is needed 1, when M-5MOLS is written through I2C.
+ *
+ * I2C packet common order(including both reading/writing)
+ * 1st : size (data size + 4)
+ * 2nd : READ/WRITE (R - 0x01, W - 0x02)
+ * 3rd : Category
+ * 4th : Command
+ *
+ * I2C packet order for READING operation
+ * 5th : data real size for reading
+ * And, read another I2C packet again, until data size.
+ *
+ * I2C packet order for WRITING operation
+ * 5th to 8th: an actual data to write
+ */
+
+#define M5MOLS_BYTE_READ 0x01
+#define M5MOLS_BYTE_WRITE 0x02
+
+int m5mols_read_reg(struct v4l2_subdev *sd,
+ enum m5mols_i2c_size size,
+ u8 category, u8 cmd, u32 *val)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct i2c_msg msg[2];
+ u8 wbuf[5], rbuf[I2C_MAX + 1];
+ int ret;
+
+ if (!client->adapter)
+ return -ENODEV;
+
+ if (size != I2C_8BIT && size != I2C_16BIT && size != I2C_32BIT)
+ return -EINVAL;
+
+ /* 1st I2C operation for writing category & command. */
+ msg[0].addr = client->addr;
+ msg[0].flags = 0;
+ msg[0].len = 5; /* 1(cmd size per bytes) + 4 */
+ msg[0].buf = wbuf;
+ wbuf[0] = 5; /* same right above this */
+ wbuf[1] = M5MOLS_BYTE_READ;
+ wbuf[2] = category;
+ wbuf[3] = cmd;
+ wbuf[4] = size;
+
+ /* 2nd I2C operation for reading data. */
+ msg[1].addr = client->addr;
+ msg[1].flags = I2C_M_RD;
+ msg[1].len = size + 1;
+ msg[1].buf = rbuf;
+
+ usleep_range(200, 200); /* must be for stabilization */
+
+ ret = i2c_transfer(client->adapter, msg, 2);
+ if (ret < 0) {
+ dev_err(&client->dev, "failed READ[%d] at "
+ "cat[%02x] cmd[%02x]\n",
+ size, category, cmd);
+ return ret;
+ }
+
+ *val = m5mols_swap_byte(&rbuf[1], size);
+
+ return 0;
+}
+
+int m5mols_write_reg(struct v4l2_subdev *sd,
+ enum m5mols_i2c_size size,
+ u8 category, u8 cmd, u32 val)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct device *cdev = &client->dev;
+ struct i2c_msg msg[1];
+ u8 wbuf[I2C_MAX + 4];
+ u32 *buf = (u32 *)&wbuf[4];
+ int ret;
+
+ if (!client->adapter)
+ return -ENODEV;
+
+ if (size != I2C_8BIT && size != I2C_16BIT && size != I2C_32BIT) {
+ dev_err(cdev, "Wrong data size\n");
+ return -EINVAL;
+ }
+
+ msg->addr = client->addr;
+ msg->flags = 0;
+ msg->len = size + 4;
+ msg->buf = wbuf;
+ wbuf[0] = size + 4;
+ wbuf[1] = M5MOLS_BYTE_WRITE;
+ wbuf[2] = category;
+ wbuf[3] = cmd;
+
+ *buf = m5mols_swap_byte((u8 *)&val, size);
+
+ usleep_range(200, 200); /* must be for stabilization */
+
+ ret = i2c_transfer(client->adapter, msg, 1);
+ if (ret < 0) {
+ dev_err(&client->dev, "failed WRITE[%d] at "
+ "cat[%02x] cmd[%02x], ret %d\n",
+ size, msg->buf[2], msg->buf[3], ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+int m5mols_check_busy(struct v4l2_subdev *sd, u8 category, u8 cmd, u32 value)
+{
+ u32 busy, i;
+ int ret;
+
+ for (i = 0; i < M5MOLS_I2C_CHECK_RETRY; i++) {
+
+ ret = m5mols_read_reg(sd, I2C_8BIT, category, cmd, &busy);
+ if (ret < 0)
+ return ret;
+
+ if (busy == value) /* bingo */
+ return 0;
+ }
+
+ return -EBUSY;
+}
+
+/*
+ * m5mols_set_mode() / m5mols_show_mode() / m5mols_get_status()
+ *
+ * The sensor M-5MOLS has system mode and system status. The system mode means
+ * the M-5MOLS's state and this is changable to us. The system mode supported
+ * M-5MOLS is only 4 - System, Parameter, Monitor, Capture. But, the System
+ * mode is not able to be set by us, it's available only after powering up.
+ *
+ * On the other hand, The sensor M-5MOLS's system status is similar with the
+ * system mode, but this is not acceptable to be set by us.
+ */
+void m5mols_show_mode(struct v4l2_subdev *sd)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct device *cdev = &client->dev;
+
+ dev_info(cdev, "mode: %s\n",
+ info->mode == MODE_SYSINIT ? "System" :
+ info->mode == MODE_PARAM ? "Parameter" :
+ info->mode == MODE_MONITOR ? "Monitor" :
+ "Unknown");
+}
+
+int m5mols_set_mode(struct v4l2_subdev *sd, enum m5mols_mode mode)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ int ret;
+
+ if (mode < MODE_SYSINIT || mode > MODE_MONITOR)
+ return -EINVAL;
+
+ ret = i2c_w8_system(sd, CAT0_SYSMODE, m5mols_reg_mode[mode]);
+ if (!ret)
+ ret = m5mols_check_busy(sd, CAT_SYSTEM, CAT0_STATUS,
+ m5mols_reg_mode[mode]);
+ if (!ret)
+ info->mode = m5mols_reg_mode[mode];
+
+ return ret;
+}
+
+enum m5mols_status m5mols_get_status(struct v4l2_subdev *sd)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct device *cdev = &client->dev;
+ int ret;
+
+ ret = i2c_r8_system(sd, CAT0_STATUS, (u32 *)&info->status);
+ if (!ret)
+ dev_info(cdev, "status %s\n",
+ info->status == STATUS_SYSINIT ? "System" :
+ info->status == STATUS_PARAM ? "Parameter" :
+ info->status == STATUS_MONITOR ? "Monitor" :
+ info->status == STATUS_AUTO_FOCUS ? "Auto Focus" :
+ info->status == STATUS_FD ? "Face Detction" :
+ info->status == STATUS_DC ? "Dual Capture" :
+ info->status == STATUS_SC ? "Single Capture" :
+ info->status == STATUS_PREVIEW ? "Preview" :
+ "Unknown");
+
+ return ret;
+}
+
+/*
+ * m5mols_get_version() / m5mols_show_version()
+ *
+ * This function's role is getting M-5MOLS version including basic information
+ * version & AF & even version string. Each information is stored internal
+ * version structure.
+ */
+static int m5mols_get_version(struct v4l2_subdev *sd)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ union {
+ struct m5mols_version ver;
+ u8 bytes[VER_MAX];
+ } value;
+ int ret, i;
+
+ info->ver = value.ver;
+
+ /* get from custom code version offset to AWB version offset */
+ for (i = CAT0_CUSTOMER_CODE; i <= CAT0_VERSION_AWB_L; i++) {
+ ret = i2c_r8_system(sd, i, (u32 *)&value.bytes[i]);
+ if (ret)
+ return ret;
+ }
+
+ /* get version string */
+ for (; i < VER_MAX - 1; i++)
+ ret = i2c_r8_system(sd, CAT0_VERSION_STR,
+ (u32 *)&value.bytes[i]);
+ value.bytes[i] = '\0';
+
+ /* get AF version */
+ ret = i2c_r8_lens(sd, CATA_AF_VERSION, (u32 *)&value.bytes[i]);
+ if (ret)
+ return ret;
+
+ info->ver.fw = be16_to_cpu(info->ver.fw);
+ info->ver.hw = be16_to_cpu(info->ver.hw);
+ info->ver.parm = be16_to_cpu(info->ver.parm);
+ info->ver.awb = be16_to_cpu(info->ver.awb);
+
+ return ret;
+}
+
+static void m5mols_show_version(struct v4l2_subdev *sd)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct device *dev = &client->dev;
+ struct m5mols_info *info = to_m5mols(sd);
+
+ dev_info(dev, "customer code\t0x%02x\n", info->ver.ctm_code);
+ dev_info(dev, "project code\t0x%02x\n", info->ver.pj_code);
+ dev_info(dev, "firmware version\t0x%04x\n", info->ver.fw);
+ dev_info(dev, "hardware version\t0x%04x\n", info->ver.hw);
+ dev_info(dev, "parameter version\t0x%04x\n", info->ver.parm);
+ dev_info(dev, "AWB version\t0x%04x\n", info->ver.awb);
+ dev_info(dev, "AF version\t0x%04x\n", info->ver.af);
+ dev_info(dev, "Version string\t%s\n", info->ver.str);
+}
+
+/*
+ * get_res_preset() - find out M-5MOLS register value from requested resolution.
+ *
+ * @width: requested width
+ * @height: requested height
+ * @type: requested type of each modes. It supports only monitor mode now.
+ */
+int get_res_preset(struct v4l2_subdev *sd, u16 width, u16 height,
+ enum m5mols_res_type type)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(m5mols_reg_res); i++) {
+ if ((m5mols_reg_res[i].type == type) &&
+ (m5mols_reg_res[i].width == width) &&
+ (m5mols_reg_res[i].height == height))
+ break;
+ }
+
+ if (i >= ARRAY_SIZE(m5mols_reg_res))
+ return -EINVAL;
+
+ return m5mols_reg_res[i].value;
+}
+
+/*
+ * get_fps() - calc & check FPS from v4l2_captureparm, if FPS is adequate, set.
+ *
+ * In M-5MOLS case, the denominator means FPS. The values of numerator and
+ * denominator should not be minus both. If numerator is 0, it sets AUTO FPS.
+ * If numerator is not 1, it recalculates denominator. After it checks, the
+ * denominator is set to timeperframe.denominator, and used by FPS.
+ */
+static int get_fps(struct v4l2_subdev *sd,
+ struct v4l2_captureparm *parm)
+{
+ int numerator = parm->timeperframe.numerator;
+ int denominator = parm->timeperframe.denominator;
+
+ /* The denominator should be +, except 0. The numerator shoud be +. */
+ if (numerator < 0 || denominator <= 0)
+ return -EINVAL;
+
+ /* The numerator is 0, return auto fps. */
+ if (numerator == 0) {
+ parm->timeperframe.denominator = M5MOLS_FPS_AUTO;
+ return 0;
+ }
+
+ /* calc FPS(not time per frame) per 1 numerator */
+ denominator = denominator / numerator;
+
+ if (denominator < M5MOLS_FPS_AUTO || denominator > M5MOLS_FPS_MAX)
+ return -EINVAL;
+
+ if (!m5mols_reg_fps[denominator])
+ return -EINVAL;
+
+ return 0;
+}
+
+static int m5mols_g_mbus_fmt(struct v4l2_subdev *sd,
+ struct v4l2_mbus_framefmt *ffmt)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ enum m5mols_res_type res_type;
+
+ res_type = to_res_type(sd, ffmt->code);
+ if (res_type == M5MOLS_RES_MAX)
+ return -EINVAL;
+
+ *ffmt = info->fmt[res_type];
+ info->code = ffmt->code;
+
+ return 0;
+}
+
+static int m5mols_s_mbus_fmt(struct v4l2_subdev *sd,
+ struct v4l2_mbus_framefmt *ffmt)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ enum m5mols_res_type res_type;
+ int size;
+
+ res_type = to_res_type(sd, ffmt->code);
+ if (res_type == M5MOLS_RES_MAX)
+ return -EINVAL;
+
+ size = get_res_preset(sd, ffmt->width, ffmt->height, res_type);
+ if (size < 0)
+ return -EINVAL;
+
+ if (ffmt->code == m5mols_formats[M5MOLS_RES_MON].code) {
+ info->res_preset = (u8)size;
+
+ info->fmt[res_type] = default_fmt[res_type];
+ info->fmt[res_type].width = ffmt->width;
+ info->fmt[res_type].height = ffmt->height;
+
+ *ffmt = info->fmt[res_type];
+ info->code = ffmt->code;
+ }
+
+ return 0;
+}
+
+static int m5mols_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned int index,
+ enum v4l2_mbus_pixelcode *code)
+{
+ if (!code || index >= ARRAY_SIZE(m5mols_formats))
+ return -EINVAL;
+
+ *code = m5mols_formats[index].code;
+
+ return 0;
+}
+
+static int m5mols_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ struct v4l2_captureparm *cp = &parms->parm.capture;
+
+ if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+ return -EINVAL;
+
+ cp->capability = V4L2_CAP_TIMEPERFRAME;
+ cp->timeperframe = info->tpf;
+
+ return 0;
+}
+
+static int m5mols_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ struct v4l2_captureparm *cp = &parms->parm.capture;
+ int ret;
+
+ if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+ return -EINVAL;
+
+ ret = get_fps(sd, cp); /* set right FPS to denominator. */
+ if (!ret)
+ info->fps_preset = m5mols_reg_fps[cp->timeperframe.denominator];
+ if (!ret) {
+ cp->capability = V4L2_CAP_TIMEPERFRAME;
+ info->tpf = cp->timeperframe;
+ }
+
+ return ret;
+}
+
+static int m5mols_start_monitor(struct v4l2_subdev *sd)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ int ret;
+
+ ret = m5mols_set_mode(sd, MODE_PARAM);
+ if (!ret)
+ ret = i2c_w8_param(sd, CAT1_MONITOR_SIZE, info->res_preset);
+ if (!ret)
+ ret = i2c_w8_param(sd, CAT1_MONITOR_FPS, info->fps_preset);
+ if (!ret)
+ ret = m5mols_set_mode(sd, MODE_MONITOR);
+ if (!ret && info->do_once) {
+ /* After probing the driver, this should be callde once. */
+ v4l2_ctrl_handler_setup(&info->handle);
+ info->do_once = false;
+ }
+
+ return ret;
+}
+
+static int m5mols_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ int ret = -EINVAL;
+
+ /* It happens the driver using this subdev chooses the method doing
+ * streamon/off when qbuf/dqbuf continuously. But, in the case of
+ * M-5MOLS, it's no problem to set streaming command just once.
+ * So, the status of streamon/off of the level of v4l2, should be
+ * checked in here for controlling separately with no problems. */
+ if (enable && !is_streaming(sd)) {
+
+ /* streaming mode determines whether mediabus code */
+ ret = m5mols_start_monitor(sd);
+ if (!ret)
+ info->streaming = true;
+
+ } else if (!enable && is_streaming(sd)) {
+
+ /* The is_streaming() is the key to determine streamon/off. The
+ * 'enable' has meaning depends on streaming */
+ ret = m5mols_set_mode(sd, MODE_PARAM);
+ if (!ret)
+ info->streaming = false;
+ }
+
+ return ret;
+}
+
+static const struct v4l2_subdev_video_ops m5mols_video_ops = {
+ .g_mbus_fmt = m5mols_g_mbus_fmt,
+ .s_mbus_fmt = m5mols_s_mbus_fmt,
+ .enum_mbus_fmt = m5mols_enum_mbus_fmt,
+ .g_parm = m5mols_g_parm,
+ .s_parm = m5mols_s_parm,
+ .s_stream = m5mols_s_stream,
+};
+
+static int m5mols_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = to_sd(ctrl);
+ struct m5mols_info *info = to_m5mols(sd);
+ int ret;
+
+ info->mode_backup = info->mode;
+
+ ret = m5mols_set_mode(sd, MODE_PARAM);
+ if (!ret)
+ ret = m5mols_set_ctrl(ctrl);
+ if (!ret)
+ ret = m5mols_set_mode(sd, info->mode_backup);
+
+ return ret;
+}
+
+static const struct v4l2_ctrl_ops m5mols_ctrl_ops = {
+ .s_ctrl = m5mols_s_ctrl,
+};
+
+/*
+ * m5mols_sensor_power() - handle sensor power up/down.
+ *
+ * @enable: If it is true, power up. If is not, power down.
+ */
+static int m5mols_sensor_power(struct m5mols_info *info, bool enable)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ struct i2c_client *c = v4l2_get_subdevdata(sd);
+ int ret;
+
+ if (enable) {
+ if (is_powerup(sd))
+ return 0;
+
+ /* power-on additional power */
+ if (info->set_power) {
+ ret = info->set_power(&c->dev, 1);
+ if (ret)
+ return ret;
+ }
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(supplies), supplies);
+ if (ret)
+ return ret;
+
+ gpio_set_value(info->pdata->gpio_rst, info->pdata->enable_rst);
+ usleep_range(1000, 1000);
+
+ info->poweron = true;
+
+ } else {
+ if (!is_powerup(sd))
+ return 0;
+
+ ret = regulator_bulk_disable(ARRAY_SIZE(supplies), supplies);
+ if (ret)
+ return ret;
+
+ /* power-off additional power */
+ if (info->set_power) {
+ ret = info->set_power(&c->dev, 0);
+ if (ret)
+ return ret;
+ }
+
+ info->poweron = false;
+
+ gpio_set_value(info->pdata->gpio_rst, !info->pdata->enable_rst);
+ usleep_range(1000, 1000);
+ }
+
+ return ret;
+}
+
+/* m5mols_update_fw() - Note that m5mols_update_fw() is optional. */
+int __attribute__ ((weak)) m5mols_update_fw(struct v4l2_subdev *sd,
+ int (*set_power)(struct m5mols_info *, bool))
+{
+ return 0;
+}
+
+/*
+ * m5mols_sensor_armboot() - booting M-5MOLS internal ARM core-controller.
+ *
+ * It makes to ready M-5MOLS for I2C & MIPI interface. After it's powered up,
+ * it activates if it gets armboot command for I2C interface. After getting
+ * cmd, it must wait about least 520ms referenced by M-5MOLS datasheet.
+ */
+static int m5mols_sensor_armboot(struct v4l2_subdev *sd)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ u32 reg;
+ int ret;
+
+ /* ARM(M-5MOLS core) booting */
+ ret = i2c_w8_flash(sd, CATF_CAM_START, true);
+ if (ret < 0)
+ return ret;
+
+ msleep(520);
+ dev_dbg(&client->dev, "Success ARM Booting\n");
+
+ /* checking firmware */
+ ret = m5mols_get_version(sd);
+ if (!ret)
+ ret = m5mols_update_fw(sd, m5mols_sensor_power);
+ if (ret)
+ return ret;
+
+ m5mols_show_version(sd);
+
+ /* clear intterupt */
+ ret = i2c_r8_system(sd, CAT0_INT_FACTOR, ®);
+ if (!ret)
+ /* Enable only AF intterupt */
+ ret = i2c_w8_system(sd, CAT0_INT_ENABLE, REG_INT_AF);
+ if (!ret)
+ ret = i2c_w8_param(sd, CAT1_DATA_INTERFACE,
+ REG_INTERFACE_MIPI);
+
+ return ret;
+}
+
+/* m5mols_init_controls - initialization for v4l2 control */
+static int m5mols_init_controls(struct m5mols_info *info)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ u16 max_ex_mon;
+ int ret;
+
+ /* check minimum & maximum of M-5MOLS controls */
+ ret = i2c_r16_ae(sd, CAT3_MAX_GAIN_MON, (u32 *)&max_ex_mon);
+ if (ret)
+ return ret;
+
+ /* set the controls using v4l2 control frameworks */
+ v4l2_ctrl_handler_init(&info->handle, 7);
+
+ info->colorfx = v4l2_ctrl_new_std_menu(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_COLORFX,
+ 9, 1, V4L2_COLORFX_NONE);
+ info->autoexposure = v4l2_ctrl_new_std_menu(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_EXPOSURE_AUTO,
+ 1, 0, V4L2_EXPOSURE_AUTO);
+ info->exposure = v4l2_ctrl_new_std(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_EXPOSURE,
+ 0, max_ex_mon, 1, (int)max_ex_mon/2);
+ info->autowb = v4l2_ctrl_new_std(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_AUTO_WHITE_BALANCE,
+ 0, 1, 1, 1);
+ info->saturation = v4l2_ctrl_new_std(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_SATURATION,
+ 0, 6, 1, 3);
+ info->zoom = v4l2_ctrl_new_std(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_ZOOM_ABSOLUTE,
+ 0, 70, 1, 0);
+ info->autofocus = v4l2_ctrl_new_std(&info->handle,
+ &m5mols_ctrl_ops, V4L2_CID_FOCUS_AUTO,
+ 0, 1, 1, 1);
+
+ sd->ctrl_handler = &info->handle;
+ if (info->handle.error) {
+ dev_err(&client->dev, "Failed to init controls, %d\n", ret);
+ v4l2_ctrl_handler_free(&info->handle);
+ return info->handle.error;
+ }
+
+ v4l2_ctrl_cluster(2, &info->autoexposure);
+
+ return 0;
+}
+
+static int m5mols_s_power(struct v4l2_subdev *sd, int on)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct device *cdev = &client->dev;
+ int ret;
+
+ if (on) {
+
+ /* power on sequence
+ * 1. power on sensor - regulator & other power gpio pins.
+ * 2. armboot armboot, checking version, etc(using I2C).
+ * 3. init v4l2 control - settle min/max values(using I2C).
+ * 4. set information values - default resolution/fps */
+
+ ret = m5mols_sensor_power(info, true);
+ if (!ret)
+ ret = m5mols_sensor_armboot(sd);
+ if (!ret)
+ ret = m5mols_init_controls(info);
+ if (!ret) {
+ /* setup defulat size & fps */
+ info->fmt[M5MOLS_RES_MON] = default_fmt[M5MOLS_RES_MON];
+ info->tpf = default_fps;
+ }
+
+ } else {
+
+ /* power off sequence
+ * 1. power off AF - let the lens do the soft-landing algorithm
+ * 2. power off sensor - force it, if failed powering off AF */
+
+ /* landing softly lens & poweroff AF. If do not soft-landing
+ * when powering off, the lens can be damaged. */
+ ret = m5mols_set_mode(sd, MODE_MONITOR);
+ if (!ret)
+ ret = i2c_w8_lens(sd, CATA_AF_EXCUTE, REG_AF_STOP);
+ if (!ret)
+ ret = i2c_w8_lens(sd, CATA_AF_MODE, REG_AF_POWEROFF);
+ if (!ret)
+ ret = m5mols_check_busy(sd, CAT_SYSTEM, CAT0_STATUS,
+ REG_AF_IDLE);
+ if (!ret)
+ dev_info(cdev, "Success AF soft-landing lens\n");
+
+ /* Force powering off the sensor, if AF powering off is failed
+ * or not */
+ ret = m5mols_sensor_power(info, false);
+ }
+
+ return ret;
+}
+
+static int m5mols_log_status(struct v4l2_subdev *sd)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+
+ v4l2_ctrl_handler_log_status(&info->handle, sd->name);
+
+ return 0;
+}
+
+static const struct v4l2_subdev_core_ops m5mols_core_ops = {
+ .s_power = m5mols_s_power,
+ .g_ctrl = v4l2_subdev_g_ctrl,
+ .s_ctrl = v4l2_subdev_s_ctrl,
+ .queryctrl = v4l2_subdev_queryctrl,
+ .querymenu = v4l2_subdev_querymenu,
+ .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
+ .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
+ .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
+ .log_status = m5mols_log_status,
+};
+
+static const struct v4l2_subdev_ops m5mols_ops = {
+ .core = &m5mols_core_ops,
+ .video = &m5mols_video_ops,
+};
+
+static void m5mols_irq_work(struct work_struct *work)
+{
+ struct m5mols_info *info = container_of(work, struct m5mols_info,
+ work_irq);
+ struct v4l2_subdev *sd = &info->sd;
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct device *cdev = &client->dev;
+ u32 reg;
+ int ret;
+
+ /* If not powering up and I2C failed, return immediately */
+ if (!is_powerup(sd) || i2c_r8_system(sd, CAT0_INT_FACTOR, ®))
+ return;
+
+ switch (reg & REG_INT_MASK) {
+ case REG_INT_AF:
+ ret = i2c_r8_lens(sd, CATA_AF_STATUS, ®);
+ dev_dbg(cdev, "= AF %s\n",
+ reg == REG_AF_FAIL ? "Failed" :
+ reg == REG_AF_SUCCESS ? "Success" :
+ reg == REG_AF_IDLE ? "Idle" : "Busy");
+ break;
+ case REG_INT_CAPTURE:
+ case REG_INT_ZOOM:
+ case REG_INT_FRAMESYNC:
+ case REG_INT_FD:
+ case REG_INT_LENS_INIT:
+ case REG_INT_SOUND:
+ case REG_INT_MODE:
+ default:
+ dev_dbg(cdev, "= Nothing : %02x\n", reg);
+ break;
+ };
+}
+
+static irqreturn_t m5mols_irq_handler(int irq, void *data)
+{
+ struct v4l2_subdev *sd = data;
+ struct m5mols_info *info = to_m5mols(sd);
+
+ schedule_work(&info->work_irq);
+
+ return IRQ_HANDLED;
+}
+
+static int m5mols_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ const struct m5mols_platform_data *pdata =
+ client->dev.platform_data;
+ struct m5mols_info *info;
+ struct v4l2_subdev *sd;
+ int ret;
+
+ if (pdata == NULL) {
+ dev_err(&client->dev, "No platform data\n");
+ return -EINVAL;
+ }
+
+ if (!gpio_is_valid(pdata->gpio_rst)) {
+ dev_err(&client->dev, "No valid nRST gpio pin.\n");
+ return -EINVAL;
+ }
+
+ if (!pdata->irq) {
+ dev_err(&client->dev, "Interrupt not assigned.\n");
+ return -EINVAL;
+ }
+
+ info = kzalloc(sizeof(struct m5mols_info), GFP_KERNEL);
+ if (info == NULL) {
+ dev_err(&client->dev, "Failed to allocate info\n");
+ return -ENOMEM;
+ }
+
+ info->pdata = pdata;
+ if (info->pdata->set_power) /* for additional power if needed. */
+ info->set_power = pdata->set_power;
+
+ ret = gpio_request(info->pdata->gpio_rst, "M5MOLS nRST");
+ if (ret) {
+ dev_err(&client->dev, "Failed to set gpio, %d\n", ret);
+ goto out_gpio;
+ }
+
+ gpio_direction_output(info->pdata->gpio_rst, !info->pdata->enable_rst);
+
+ ret = regulator_bulk_get(&client->dev, ARRAY_SIZE(supplies), supplies);
+ if (ret) {
+ dev_err(&client->dev, "Failed to get regulators, %d\n", ret);
+ goto out_reg;
+ }
+
+ sd = &info->sd;
+ strlcpy(sd->name, MOD_NAME, sizeof(sd->name));
+ v4l2_i2c_subdev_init(sd, client, &m5mols_ops);
+
+ INIT_WORK(&info->work_af, m5mols_af_work);
+
+ /* After calling v4l2_i2c_subdev_init() the I2C is available, and
+ * then it's not happend the problem when issued irq & done workqueue,
+ * and then I2C is accessed. */
+ if (info->pdata->irq) {
+ INIT_WORK(&info->work_irq, m5mols_irq_work);
+ ret = request_irq(info->pdata->irq,
+ m5mols_irq_handler,
+ IRQF_TRIGGER_RISING,
+ MOD_NAME, sd);
+ if (ret) {
+ dev_err(&client->dev,
+ "Failed to request irq: %d\n", ret);
+ goto out_irq;
+ }
+ }
+
+ info->do_once = true;
+ v4l2_dbg(1, m5mols_debug, sd, "probed m5mols driver.\n");
+
+ return 0;
+
+out_irq:
+ free_irq(info->pdata->irq, sd);
+out_reg:
+ regulator_bulk_free(ARRAY_SIZE(supplies), supplies);
+out_gpio:
+ gpio_free(info->pdata->gpio_rst);
+ kfree(info);
+
+ return ret;
+}
+
+static int m5mols_remove(struct i2c_client *client)
+{
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct m5mols_info *info = to_m5mols(sd);
+
+ v4l2_device_unregister_subdev(sd);
+ v4l2_ctrl_handler_free(&info->handle);
+ free_irq(info->pdata->irq, sd);
+
+ regulator_bulk_free(ARRAY_SIZE(supplies), supplies);
+ gpio_free(info->pdata->gpio_rst);
+ kfree(info);
+
+ info->do_once = false;
+ v4l2_dbg(1, m5mols_debug, sd, "removed m5mols driver.\n");
+
+ return 0;
+}
+
+static const struct i2c_device_id m5mols_id[] = {
+ { MOD_NAME, 0 },
+ { },
+};
+MODULE_DEVICE_TABLE(i2c, m5mols_id);
+
+static struct i2c_driver m5mols_i2c_driver = {
+ .driver = {
+ .name = MOD_NAME,
+ },
+ .probe = m5mols_probe,
+ .remove = m5mols_remove,
+ .id_table = m5mols_id,
+};
+
+static int __init m5mols_mod_init(void)
+{
+ return i2c_add_driver(&m5mols_i2c_driver);
+}
+
+static void __exit m5mols_mod_exit(void)
+{
+ i2c_del_driver(&m5mols_i2c_driver);
+}
+
+module_init(m5mols_mod_init);
+module_exit(m5mols_mod_exit);
+
+MODULE_AUTHOR("HeungJun Kim <riverful.kim@samsung.com>");
+MODULE_AUTHOR("Dongsoo Kim <dongsoo45.kim@samsung.com>");
+MODULE_DESCRIPTION("Fujitsu M-5MOLS 8M Pixel camera sensor with ISP driver");
+MODULE_LICENSE("GPL");
new file mode 100644
@@ -0,0 +1,218 @@
+/*
+ * Register map for M-5MOLS 8M Pixel camera sensor with ISP
+ *
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd
+ * Author: HeungJun Kim, riverful.kim@samsung.com
+ *
+ * Copyright (C) 2009 Samsung Electronics Co., Ltd
+ * Author: Dongsoo Nathaniel Kim, dongsoo45.kim@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef M5MOLS_REG_H
+#define M5MOLS_REG_H
+
+/*
+ * Category section register
+ *
+ * The category means set including relevant command of M-5MOLS.
+ */
+#define CAT_SYSTEM 0x00
+#define CAT_PARAM 0x01
+#define CAT_MONITOR 0x02
+#define CAT_AE 0x03
+#define CAT_WB 0x06
+#define CAT_EXIF 0x07
+#define CAT_LENS 0x0a
+#define CAT_FLASH 0x0f /* related with FW, Verions, booting */
+
+/*
+ * Category 0 - System mode
+ *
+ * The system mode in the M-5MOLS means area available to handle with the whole
+ * & all-round system of sensor. It deals with version/interrupt/setting mode &
+ * even sensor's status. Especially, the M-5MOLS sensor with ISP varys by
+ * packaging & manufactur vendors, even the customer user vendor. And the
+ * detailed function may have a difference. The version information can
+ * determine what method use in the driver.
+ *
+ * There is many registers between customer version address and awb one. For
+ * more specific contents, reference the m5mols.h.
+ */
+#define CAT0_CUSTOMER_CODE 0x00 /* customer version*/
+#define CAT0_VERSION_AWB_L 0x09 /* Auto WB version low byte */
+#define CAT0_VERSION_STR 0x0a /* string including M-5MOLS */
+#define CAT0_SYSMODE 0x0b /* system mode register */
+#define CAT0_STATUS 0x0c /* system status register */
+#define CAT0_INT_FACTOR 0x10 /* interrupt pending register */
+#define CAT0_INT_ENABLE 0x11 /* interrupt enable register */
+
+#define REG_MODE_SYSINIT 0x00 /* system mode */
+#define REG_MODE_PARAM 0x01 /* parameter mode */
+#define REG_MODE_MONITOR 0x02 /* monitor mode */
+#define REG_MODE_CAPTURE 0x03 /* capture mode */
+
+#define REG_INT_MODE (1 << 0)
+#define REG_INT_AF (1 << 1)
+#define REG_INT_ZOOM (1 << 2)
+#define REG_INT_CAPTURE (1 << 3)
+#define REG_INT_FRAMESYNC (1 << 4)
+#define REG_INT_FD (1 << 5)
+#define REG_INT_LENS_INIT (1 << 6)
+#define REG_INT_SOUND (1 << 7)
+#define REG_INT_ALLOFF 0x0
+#define REG_INT_MASK 0x0f
+
+/*
+ * category 1 - Parameter mode
+ *
+ * This category supports function of camera features of M-5MOLS. It means we
+ * can handle with preview(monitor) resolution size/frame per second/interface
+ * between the sensor and the Application Processor/even the image effect.
+ */
+#define CAT1_DATA_INTERFACE 0x00 /* interface between sensor and AP */
+#define CAT1_MONITOR_SIZE 0x01 /* resolution at the monitor mode */
+#define CAT1_MONITOR_FPS 0x02 /* frame per second at this mode */
+#define CAT1_EFFECT 0x0b /* image effects */
+
+#define REG_INTERFACE_YUV 0x00
+#define REG_INTERFACE_HDMI 0x01
+#define REG_INTERFACE_MIPI 0x02 /* only this is used in this version */
+
+#define REG_EFFECT_OFF 0x00
+#define REG_EFFECT_NEGATIVE 0x01
+#define REG_EFFECT_SOLARIZATION 0x02
+#define REG_EFFECT_EMBOSS 0x06
+#define REG_EFFECT_OUTLINE 0x07
+#define REG_EFFECT_WATERCOLOR 0x08
+
+/*
+ * Category 2 - Monitor mode
+ *
+ * The monitor mode is same as preview mode as we said. The M-5MOLS has another
+ * mode named "Preview", but this preview mode is used at the case specific
+ * vider-recording mode. This mmode supports only YUYV format. On the other
+ * hand, the JPEG & RAW formats is supports by capture mode. And, there are
+ * another options like zoom/color effect(different with effect in parameter
+ * mode)/anti hand shaking algorithm.
+ */
+#define CAT2_ZOOM 0x01 /* set the zoom position & execute */
+#define CAT2_ZOOM_POSITION 0x02 /* get the zoom position */
+#define CAT2_ZOOM_STEP 0x03 /* set the zoom step */
+#define CAT2_CFIXB 0x09 /* CB value for color effect */
+#define CAT2_CFIXR 0x0a /* CR value for color effect */
+#define CAT2_COLOR_EFFECT 0x0b /* set on/off of color effect */
+#define CAT2_CHROMA_LVL 0x0f /* set chroma level */
+#define CAT2_CHROMA_EN 0x10 /* set on/off of choroma */
+
+#define REG_CFIXB_SEPIA 0xd8
+#define REG_CFIXB_GRAY 0x00
+#define REG_CFIXB_RED 0x00
+#define REG_CFIXB_GREEN 0xe0
+#define REG_CFIXB_BLUE 0x40
+#define REG_CFIXB_PINK 0x20
+#define REG_CFIXB_YELLOW 0x80
+#define REG_CFIXB_PURPLE 0x50
+#define REG_CFIXB_ANTIQUE 0xd0
+
+#define REG_CFIXR_SEPIA 0x18
+#define REG_CFIXR_GRAY 0x00
+#define REG_CFIXR_RED 0x6b
+#define REG_CFIXR_GREEN 0xe0
+#define REG_CFIXR_BLUE 0x00
+#define REG_CFIXR_PINK 0x40
+#define REG_CFIXR_YELLOW 0x00
+#define REG_CFIXR_PURPLE 0x20
+#define REG_CFIXR_ANTIQUE 0x30
+
+#define REG_COLOR_EFFECT_OFF 0x00
+#define REG_COLOR_EFFECT_ON 0x01
+
+#define REG_CHROMA_LVL0 0x1c
+#define REG_CHROMA_LVL1 0x3e
+#define REG_CHROMA_LVL2 0x5f
+#define REG_CHROMA_LVL3 0x80
+#define REG_CHROMA_LVL4 0xa1
+#define REG_CHROMA_LVL5 0xc2
+#define REG_CHROMA_LVL6 0xe4
+
+#define REG_CHROMA_OFF 0x00
+#define REG_CHROMA_ON 0x01
+
+/*
+ * Category 3 - Auto Exposure
+ *
+ * The M-5MOLS exposure capbility is detailed as which is similar to digital
+ * camera. This category supports AE locking/various AE mode(range of exposure)
+ * /ISO/flickering/EV bias/shutter/meteoring, and anything else. And the
+ * maximum/minimum exposure gain value depending on M-5MOLS firmware, may be
+ * different. So, this category also provide getting the max/min values. And,
+ * each monitor and capture mode has each gain/shutter/max exposure values.
+ */
+#define CAT3_AE_LOCK 0x00 /* locking Auto exposure */
+#define CAT3_AE_MODE 0x01 /* set AE mode, mode means range */
+#define CAT3_MANUAL_GAIN_MON 0x12 /* meteoring value, monitor mode */
+#define CAT3_MANUAL_SHUT_MON 0x14 /* shutter value, monitor mode */
+#define CAT3_MAX_EXPOSURE_MON 0x16 /* max value at the monitor mode */
+#define CAT3_MAX_EXPOSURE_CAP 0x18 /* max value at the capture mode */
+#define CAT3_MAX_GAIN_MON 0x1a /* max gain value at the monitor */
+#define CAT3_MAX_GAIN_CAP 0x1c /* max gain value at the capture */
+#define CAT3_MANUAL_GAIN_CAP 0x26 /* meteoring value, capture mode */
+#define CAT3_MANUAL_SHUT_CAP 0x28 /* shutter value, capture mode */
+
+#define REG_AE_MODE_OFF 0x00 /* AE off */
+#define REG_AE_MODE_ALL 0x01 /* calc AE in all block integral */
+#define REG_AE_MODE_CENTER1 0x02 /* calc AE at the center area 1 */
+#define REG_AE_MODE_CENTER2 0x03 /* calc AE at the center area 2 */
+#define REG_AE_MODE_CENTER3 0x04 /* calc AE at the center area 3 */
+#define REG_AE_MODE_SPOT1 0x05 /* spot 1 */
+#define REG_AE_MODE_SPOT2 0x06 /* spot 2 */
+
+/*
+ * Category 6 - White Balance
+ *
+ * This cagetory provide AWB locking/mode/preset/speed/gain bias, etc.
+ */
+#define CAT6_AWB_LOCK 0x00 /* locking Auto Whitebalance */
+#define CAT6_AWB_MODE 0x02 /* set Auto or Manual */
+#define CAT6_AWB_MANUAL 0x03 /* preset, not used in this version */
+
+#define REG_AWB_MODE_AUTO 0x01 /* AWB off */
+#define REG_AWB_MODE_MANUAL 0x02 /* AWB preset */
+
+/*
+ * Category A - Lens parameter
+ */
+#define CATA_INIT_AF_FUNC 0x00
+#define CATA_AF_MODE 0x01
+#define CATA_AF_EXCUTE 0x02
+#define CATA_AF_STATUS 0x03
+#define CATA_AF_VERSION 0x0a
+
+#define REG_AF_FAIL 0x00
+#define REG_AF_SUCCESS 0x02
+#define REG_AF_IDLE 0x04
+#define REG_AF_BUSY 0x05
+
+#define REG_AF_MODE_NORMAL 0x00
+#define REG_AF_MODE_MACRO 0x01
+#define REG_AF_MODE_CAF 0x02
+
+#define REG_AF_STOP 0x00
+#define REG_AF_EXE_AUTO 0x01
+#define REG_AF_EXE_CAF 0x02
+#define REG_AF_POWEROFF 0x07
+
+/*
+ * Category F - Flash
+ *
+ * This mode provides functions about internal flash stuff and system startup.
+ */
+#define CATF_CAM_START 0x12 /* It start internal ARM core booting
+ * after power-up */
+
+#endif /* M5MOLS_REG_H */
new file mode 100644
@@ -0,0 +1,35 @@
+/*
+ * Driver header for M-5MOLS 8M Pixel camera sensor with ISP
+ *
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd
+ * Author: HeungJun Kim, riverful.kim@samsung.com
+ *
+ * Copyright (C) 2009 Samsung Electronics Co., Ltd
+ * Author: Dongsoo Nathaniel Kim, dongsoo45.kim@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef MEDIA_M5MOLS_H
+#define MEDIA_M5MOLS_H
+
+/**
+ * struct m5mols_platform_data - platform data for M-5MOLS driver
+ * @irq: GPIO getting the irq pin of M-5MOLS
+ * @gpio_rst: GPIO driving the reset pin of M-5MOLS
+ * @enable_rst: the pin state when reset pin is enabled
+ * @set_power: an additional callback to a board setup code
+ * to be called after enabling and before disabling
+ * the sensor device supply regulators
+ */
+struct m5mols_platform_data {
+ int irq;
+ int gpio_rst;
+ bool enable_rst;
+ int (*set_power)(struct device *dev, int on);
+};
+
+#endif /* MEDIA_M5MOLS_H */