@@ -746,6 +746,8 @@ config VIDEO_NOON010PC30
---help---
This driver supports NOON010PC30 CIF camera from Siliconfile
+source "drivers/media/video/m5mols/Kconfig"
+
config SOC_CAMERA
tristate "SoC camera support"
depends on VIDEO_V4L2 && HAS_DMA && I2C
@@ -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-$(CONFIG_SOC_CAMERA_MT9M001) += mt9m001.o
new file mode 100644
@@ -0,0 +1,6 @@
+config VIDEO_M5MOLS
+ tristate "Fujitsu M5MO-LS 8MP sensor support"
+ depends on I2C && VIDEO_V4L2
+ ---help---
+ This driver supports Fujitsu M5MO-LS camera sensor with ISP
+
new file mode 100644
@@ -0,0 +1,3 @@
+m5mols-objs := m5mols_core.o m5mols_controls.o
+
+obj-$(CONFIG_VIDEO_M5MOLS) += m5mols.o
new file mode 100644
@@ -0,0 +1,257 @@
+/*
+ * Header for M5MOLS 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"
+
+#define v4l2msg(fmt, arg...) do { \
+ v4l2_dbg(1, m5mols_debug, &info->sd, fmt, ## arg); \
+} while (0)
+
+extern int m5mols_debug;
+
+enum m5mols_mode {
+ MODE_SYSINIT,
+ MODE_PARMSET,
+ MODE_MONITOR,
+ MODE_UNKNOWN,
+};
+
+enum m5mols_i2c_size {
+ I2C_8BIT = 1,
+ I2C_16BIT = 2,
+ I2C_32BIT = 4,
+ I2C_MAX = 4,
+};
+
+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,
+ /* It's not supported below yet. */
+ M5MOLS_RES_PREVIEW,
+ M5MOLS_RES_THUMB,
+ M5MOLS_RES_CAPTURE,
+ M5MOLS_RES_UNKNOWN,
+};
+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;
+};
+
+struct m5mols_control {
+ u32 id;
+ s32 min;
+ s32 max;
+ u32 step;
+ s32 def;
+};
+
+struct m5mols_version {
+ u8 ctm_code; /* customer code */
+ u8 pj_code; /* project code */
+ u16 fw; /* firmware version */
+ u16 hw; /* hardware version */
+ u16 parm; /* parameter version */
+ u16 awb; /* AWB version */
+};
+
+struct m5mols_info {
+ struct v4l2_subdev sd;
+ struct v4l2_mbus_framefmt fmt;
+ struct v4l2_fract tpf;
+
+ struct v4l2_ctrl_handler handle;
+ struct {
+ /* support only AE of the Monitor Mode in this version */
+ struct v4l2_ctrl *autoexposure;
+ struct v4l2_ctrl *exposure;
+ };
+ struct v4l2_ctrl *autowb;
+ struct v4l2_ctrl *colorfx;
+ struct v4l2_ctrl *saturation;
+
+ enum m5mols_mode mode;
+ enum m5mols_mode mode_backup;
+
+ struct m5mols_version ver;
+ int gpio_nrst;
+ int supply_size;
+ struct regulator_bulk_data *supply;
+ bool power;
+ int (*set_power)(struct device *dev, int on);
+};
+
+/* control functions */
+int m5mols_set_ctrl(struct v4l2_ctrl *ctrl);
+
+/* 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);
+int m5mols_set_mode(struct v4l2_subdev *sd, enum m5mols_mode mode);
+
+/*
+ * 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->mode == MODE_MONITOR) ? true : false;
+}
+
+static inline bool is_stoped(struct v4l2_subdev *sd)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ return (info->mode != MODE_MONITOR) ? true : false;
+}
+
+static inline bool is_powerup(struct v4l2_subdev *sd)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ return (info->power == true) ? true : false;
+}
+
+static inline bool is_powerdown(struct v4l2_subdev *sd)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ return (info->power == false) ? true : false;
+}
+
+static inline int m5mols_set_mode_backup(struct v4l2_subdev *sd,
+ enum m5mols_mode mode)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ info->mode_backup = info->mode;
+ return m5mols_set_mode(sd, mode);
+}
+
+static inline int m5mols_set_mode_restore(struct v4l2_subdev *sd)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ int ret;
+ ret = m5mols_set_mode(sd, info->mode_backup);
+ if (!ret)
+ info->mode = info->mode_backup;
+ return ret;
+}
+
+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_MON, 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_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_r8_param(struct v4l2_subdev *sd,
+ u8 cmd, u32 *val)
+{
+ return m5mols_read_reg(sd, I2C_8BIT, CAT_PARAM, cmd, val);
+}
+
+static inline int __must_check i2c_r8_mon(struct v4l2_subdev *sd,
+ u8 cmd, u32 *val)
+{
+ return m5mols_read_reg(sd, I2C_8BIT, CAT_MON, cmd, val);
+}
+
+static inline int __must_check i2c_r8_ae(struct v4l2_subdev *sd,
+ u8 cmd, u32 *val)
+{
+ return m5mols_read_reg(sd, I2C_8BIT, CAT_AE, 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);
+}
+
+#endif /* M5MOLS_H */
new file mode 100644
@@ -0,0 +1,173 @@
+/*
+ * Controls for M5MOLS 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/videodev2.h>
+#include <media/v4l2-ctrls.h>
+
+#include "m5mols.h"
+#include "m5mols_reg.h"
+
+static int m5mols_set_ae_lock(struct m5mols_info *info, bool lock)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ static u8 m5mols_ae_lock[] = { /* false:unlock, true:lock */
+ [false] = 0x00, /* AE unlock */
+ [true] = 0x01, /* AE lock */
+ };
+
+ return i2c_w8_ae(sd, CAT3_AE_LOCK, m5mols_ae_lock[lock]);
+}
+
+static int m5mols_set_awb_lock(struct m5mols_info *info, bool lock)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ static u8 m5mols_awb_lock[] = { /* false:unlock, true:lock */
+ [false] = 0x00, /* AWB unlock */
+ [true] = 0x01, /* AWB lock */
+ };
+
+ return i2c_w8_wb(sd, CAT6_AWB_LOCK, m5mols_awb_lock[lock]);
+}
+
+static int m5mols_wb_mode(struct m5mols_info *info, struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ static u8 m5mols_wb_auto[] = { 0x1, 0x2, }; /* 0:Auto , 1:Manual */
+ int ret = -EINVAL;
+
+ ret = m5mols_set_awb_lock(info, false);
+ if (!ret)
+ ret = i2c_w8_wb(sd, CAT6_AWB_MODE, m5mols_wb_auto[ctrl->val]);
+
+ return ret;
+}
+
+static int m5mols_exposure_mode(struct m5mols_info *info,
+ struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ static u8 m5mols_ae_mode[] = {
+ [V4L2_EXPOSURE_MANUAL] = 0x00, /* AE off */
+ [V4L2_EXPOSURE_AUTO] = 0x01, /* Exposure all blocks */
+ };
+ int ret = -EINVAL;
+
+ ret = m5mols_set_ae_lock(info, false);
+ if (!ret)
+ ret = i2c_w8_ae(sd, CAT3_AE_MODE, m5mols_ae_mode[ctrl->val]);
+
+ 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_1, info->exposure->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[] = {
+ 0x1c, 0x3e, 0x5f, 0x80, 0xa1, 0xc2, 0xe4,
+ };
+ int ret = -EINVAL;
+
+ ret = i2c_w8_mon(sd, CAT2_CHROMA_LVL, m5mols_chroma_lvl[ctrl->val]);
+ if (!ret)
+ ret = i2c_w8_mon(sd, CAT2_CHROMA_EN, true);
+
+ return ret;
+}
+
+static int m5mols_set_colorfx(struct m5mols_info *info, struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ static u8 m5mols_effects_gamma[] = { /* cat 1: Effects */
+ [V4L2_COLORFX_NEGATIVE] = 0x01,
+ [V4L2_COLORFX_EMBOSS] = 0x06,
+ [V4L2_COLORFX_SKETCH] = 0x07,
+ };
+ static u8 m5mols_cfixb_chroma[] = { /* cat 2: Cr for effect */
+ [V4L2_COLORFX_BW] = 0x0,
+ [V4L2_COLORFX_SEPIA] = 0xd8,
+ [V4L2_COLORFX_SKY_BLUE] = 0x40,
+ [V4L2_COLORFX_GRASS_GREEN] = 0xe0,
+ };
+ static u8 m5mols_cfixr_chroma[] = { /* cat 2: Cb for effect */
+ [V4L2_COLORFX_BW] = 0x0,
+ [V4L2_COLORFX_SEPIA] = 0x18,
+ [V4L2_COLORFX_SKY_BLUE] = 0x00,
+ [V4L2_COLORFX_GRASS_GREEN] = 0xe0,
+ };
+ int ret = -EINVAL;
+
+ switch (ctrl->val) {
+ case V4L2_COLORFX_NONE:
+ if (!ret)
+ ret = i2c_w8_mon(sd, CAT2_COLOR_EFFECT, false);
+ return ret;
+ case V4L2_COLORFX_BW: /* chroma: Gray */
+ case V4L2_COLORFX_SEPIA: /* chroma: Sepia */
+ case V4L2_COLORFX_SKY_BLUE: /* chroma: Blue */
+ case V4L2_COLORFX_GRASS_GREEN: /* chroma: Green */
+ ret = i2c_w8_mon(sd, CAT2_CFIXB,
+ m5mols_cfixb_chroma[ctrl->val]);
+ if (!ret)
+ ret = i2c_w8_mon(sd, CAT2_CFIXR,
+ m5mols_cfixr_chroma[ctrl->val]);
+ if (!ret)
+ ret = i2c_w8_mon(sd, CAT2_COLOR_EFFECT, true);
+ return ret;
+ case V4L2_COLORFX_NEGATIVE: /* gamma: Negative */
+ case V4L2_COLORFX_EMBOSS: /* gamma: Emboss */
+ case V4L2_COLORFX_SKETCH: /* gamma: Outline */
+ ret = i2c_w8_param(sd, CAT1_EFFECT,
+ m5mols_effects_gamma[ctrl->val]);
+ if (!ret)
+ ret = i2c_w8_mon(sd, CAT2_COLOR_EFFECT, true);
+ return ret;
+ }
+
+ return ret;
+}
+
+int m5mols_set_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct v4l2_subdev *sd = to_sd(ctrl);
+ struct m5mols_info *info = to_m5mols(sd);
+ int ret = 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_EXPOSURE_AUTO:
+ if (!ctrl->has_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);
+ }
+
+ return -EINVAL;
+}
new file mode 100644
@@ -0,0 +1,898 @@
+/*
+ * Driver for M5MOLS 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/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 50
+
+/* M5MOLS mode */
+static u8 m5mols_reg_mode[] = {
+ [MODE_SYSINIT] = 0x00,
+ [MODE_PARMSET] = 0x01,
+ [MODE_MONITOR] = 0x02,
+ [MODE_UNKNOWN] = 0xff,
+};
+
+/* M5MOLS regulator consumer names */
+static const char *supply_names[] = {
+ /* The DEFAULT names of power are referenced with M5MO datasheet. */
+ "core", /* core power - 1.2v, generally at the M5MOLS */
+ "d_sensor", /* sensor power 1 - 1.8v */
+ "dig_18", /* digital power 1 - 1.8v */
+ "dig_28", /* digital power 2 - 2.8v */
+ "a_sensor", /* analog power */
+ "dig_12", /* digital power 3 - 1.2v */
+};
+
+/* M5MOLS default format (codes, sizes, preset values) */
+static const struct v4l2_mbus_framefmt default_fmt = {
+ .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[] = {
+ {
+ .code = V4L2_MBUS_FMT_VYUY8_2X8,
+ .colorspace = V4L2_COLORSPACE_JPEG,
+ },
+};
+static const struct m5mols_resolution m5mols_resolutions[] = {
+ /* 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 */
+};
+
+/* M5MOLS default FPS */
+static const struct v4l2_fract default_fps = {
+ .numerator = 1,
+ .denominator = M5MOLS_FPS_AUTO,
+};
+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,
+};
+
+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));
+}
+
+/*
+ * m5mols_read_reg/m5mols_write_reg - handle sensor's I2C communications.
+ *
+ * The I2C command packet of M5MOLS is made up 3 kinds of I2C bytes(category,
+ * command, bytes). Reference m5mols.h.
+ *
+ * The packet is needed 2, when M5MOLS is read through I2C.
+ * The packet is needed 1, when M5MOLS 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[1];
+ 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 info to read. */
+ msg->addr = client->addr;
+ msg->flags = 0;
+ msg->len = 5; /* 1(cmd size per bytes) + 4 */
+ msg->buf = wbuf;
+ wbuf[0] = 5; /* 1(cmd size per bytes) + 4 */
+ wbuf[1] = M5MOLS_BYTE_READ;
+ wbuf[2] = category;
+ wbuf[3] = cmd;
+ wbuf[4] = size;
+
+ ret = i2c_transfer(client->adapter, msg, 1);
+ if (ret < 0) {
+ dev_err(&client->dev, "failed READ-1[%d] at "
+ "cat[%02x] cmd[%02x]\n",
+ size, category, cmd);
+ return ret;
+ }
+
+ /* 2nd I2C operation, for reading data. */
+ msg->addr = client->addr;
+ msg->flags = I2C_M_RD;
+ msg->len = size + 1;
+ msg->buf = rbuf;
+
+ ret = i2c_transfer(client->adapter, msg, 1);
+ if (ret < 0) {
+ dev_err(&client->dev, "failed READ-2[%d] at "
+ "cat[%02x] cmd[%02x]\n",
+ size, category, cmd);
+ return ret;
+ }
+
+ *val = m5mols_swap_byte(&rbuf[1], size);
+
+ mdelay(15); /* must be for stabilization */
+
+ 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);
+
+ 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;
+ }
+
+ mdelay(15); /* must be for stabilization */
+
+ 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;
+
+ mdelay(1);
+ }
+
+ return -EBUSY;
+}
+
+/*
+ * m5mols_set_mode - change and set mode of M5MOLS.
+ *
+ * This driver supports now only 3 modes(System, Monitor, Parameter).
+ */
+int m5mols_set_mode(struct v4l2_subdev *sd, enum m5mols_mode mode)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct device *cdev = &client->dev;
+ const char *m5mols_str_mode[] = {
+ "System initialization",
+ "Parameter setting",
+ "Monitor setting",
+ "Unknown",
+ };
+ int ret = 0;
+
+ if (mode < MODE_SYSINIT || mode > MODE_UNKNOWN)
+ return -EINVAL;
+
+ ret = i2c_w8_system(sd, CAT0_SYSMODE, m5mols_reg_mode[mode]);
+ if (!ret)
+ ret = m5mols_check_busy(sd, CAT_SYSTEM, CAT0_SYSMODE,
+ m5mols_reg_mode[mode]);
+ if (ret < 0)
+ return ret;
+
+ info->mode = m5mols_reg_mode[mode];
+ dev_dbg(cdev, " mode: %s\n", m5mols_str_mode[mode]);
+
+ return ret;
+}
+
+/*
+ * get_version - get M5MOLS sensor versions.
+ */
+static int get_version(struct v4l2_subdev *sd)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ union {
+ struct m5mols_version ver;
+ u8 bytes[10];
+ } value;
+ int ret, i;
+
+ 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;
+ }
+
+ info->ver = value.ver;
+
+ 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);
+}
+
+/*
+ * get_res_preset - find out M5MOLS register value from requested resolution.
+ *
+ * @width: requested width
+ * @height: requested height
+ * @type: requested type of each modes. It supports only monitor mode now.
+ */
+static int get_res_preset(struct v4l2_subdev *sd, u16 width, u16 height,
+ enum m5mols_res_type type)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(m5mols_resolutions); i++) {
+ if ((m5mols_resolutions[i].type == type) &&
+ (m5mols_resolutions[i].width == width) &&
+ (m5mols_resolutions[i].height == height))
+ break;
+ }
+
+ if (i >= ARRAY_SIZE(m5mols_resolutions)) {
+ v4l2msg("no matching resolution\n");
+ return -EINVAL;
+ }
+
+ return m5mols_resolutions[i].value;
+}
+
+/*
+ * get_fps - calc & check FPS from v4l2_captureparm, if FPS is adequate, set.
+ *
+ * In M5MOLS case, the denominator means FPS. The each value of numerator and
+ * denominator should not be minus. 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);
+
+ *ffmt = info->fmt;
+
+ return 0;
+}
+
+static int m5mols_s_mbus_fmt(struct v4l2_subdev *sd,
+ struct v4l2_mbus_framefmt *ffmt)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ int size;
+ int ret = -EINVAL;
+
+ size = get_res_preset(sd, ffmt->width, ffmt->height,
+ M5MOLS_RES_MON);
+ if (size < 0)
+ return -EINVAL;
+
+ ret = m5mols_set_mode(sd, MODE_PARMSET);
+ if (!ret)
+ ret = i2c_w8_param(sd, CAT1_MONITOR_SIZE, (u8)size);
+ if (!ret) {
+ info->fmt = default_fmt;
+ info->fmt.width = ffmt->width;
+ info->fmt.height = ffmt->height;
+
+ *ffmt = info->fmt;
+ }
+
+ return ret;
+}
+
+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 = -EINVAL;
+
+ if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+ return -EINVAL;
+
+ ret = m5mols_set_mode_backup(sd, MODE_PARMSET);
+ if (!ret)
+ ret = get_fps(sd, cp); /* set right FPS to denominator. */
+ if (!ret)
+ ret = i2c_w8_param(sd, CAT1_MONITOR_FPS,
+ m5mols_reg_fps[cp->timeperframe.denominator]);
+ if (!ret)
+ ret = m5mols_set_mode_restore(sd);
+ if (!ret) {
+ cp->capability = V4L2_CAP_TIMEPERFRAME;
+ info->tpf = cp->timeperframe;
+ }
+
+ v4l2msg("denominator: %d / numerator: %d.\n",
+ cp->timeperframe.denominator, cp->timeperframe.numerator);
+
+ return ret;
+}
+
+static int m5mols_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ if (enable) {
+ if (is_stoped(sd))
+ return m5mols_set_mode(sd, MODE_MONITOR);
+ else
+ return -EINVAL;
+ } else {
+ if (is_streaming(sd))
+ return m5mols_set_mode(sd, MODE_PARMSET);
+ else
+ return -EINVAL;
+ }
+}
+
+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);
+ int ret = 0;
+
+ ret = m5mols_set_mode_backup(sd, MODE_PARMSET);
+ if (!ret)
+ ret = m5mols_set_ctrl(ctrl);
+ if (!ret)
+ ret = m5mols_set_mode_restore(sd);
+
+ 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 = 0;
+
+ if (enable) {
+ if (!is_powerdown(sd))
+ return 0;
+
+ if (gpio_is_valid(info->gpio_nrst))
+ gpio_set_value(info->gpio_nrst, 0);
+
+ if (info->set_power) {
+ ret = info->set_power(&c->dev, 1);
+ if (ret)
+ return ret;
+ }
+
+ ret = regulator_bulk_enable(info->supply_size,
+ info->supply);
+ if (ret)
+ return ret;
+
+ if (gpio_is_valid(info->gpio_nrst)) {
+ gpio_set_value(info->gpio_nrst, 0);
+ msleep(100);
+ gpio_set_value(info->gpio_nrst, 1);
+ msleep(100);
+ }
+
+ info->power = true;
+ } else {
+ if (!is_powerup(sd))
+ return 0;
+
+ if (gpio_is_valid(info->gpio_nrst)) {
+ gpio_set_value(info->gpio_nrst, 0);
+ msleep(100);
+ }
+
+ ret = regulator_bulk_disable(info->supply_size,
+ info->supply);
+ if (ret)
+ return ret;
+
+ if (info->set_power) {
+ ret = info->set_power(&c->dev, 0);
+ if (ret)
+ return ret;
+ }
+
+ if (gpio_is_valid(info->gpio_nrst))
+ gpio_set_value(info->gpio_nrst, 0);
+
+ info->power = false;
+ }
+
+ return ret;
+}
+
+/*
+ * m5mols_sensor_armboot - booting M5MOLS internal ARM core-controller.
+ *
+ * It makes to ready M5MOLS 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 500ms referenced by M5MOLS datasheet.
+ */
+static int m5mols_sensor_armboot(struct v4l2_subdev *sd)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ static u8 m5mols_mipi_value = 0x02;
+ int ret = -EINVAL;
+
+ /* 1. ARM booting */
+ ret = i2c_w8_flash(sd, CAT0_INT_ROOTEN, true);
+ if (ret < 0)
+ return ret;
+
+ msleep(500);
+ dev_dbg(&client->dev, "Success ARM Booting\n");
+
+ ret = m5mols_set_mode(sd, MODE_PARMSET);
+ if (!ret)
+ ret = get_version(sd);
+ if (!ret)
+ ret = i2c_w8_param(sd, CAT1_DATA_INTERFACE, m5mols_mipi_value);
+
+ m5mols_show_version(sd);
+
+ return ret;
+}
+
+/*
+ * m5mols_init_controls - initialization using v4l2_ctrl.
+ */
+static int m5mols_init_controls(struct m5mols_info *info)
+{
+ struct v4l2_subdev *sd = &info->sd;
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ int ret = -EINVAL;
+ u16 max_ex_mon;
+
+ /* check minimum & maximum of M5MOLS controls */
+ ret = i2c_r16_ae(sd, CAT3_MAX_GAIN_MON_1, (u32 *)&max_ex_mon);
+ if (!ret)
+ return ret;
+
+ /* set the controls using v4l2 control frameworks */
+ v4l2_ctrl_handler_init(&info->handle, 5);
+
+ 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);
+
+ 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);
+ v4l2_ctrl_handler_setup(&info->handle);
+
+ return 0;
+}
+
+/*
+ * m5mols_setup_default - set default size & fps in the monitor mode.
+ */
+static int m5mols_setup_default(struct v4l2_subdev *sd)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ int value;
+ int ret = -EINVAL;
+
+ value = get_res_preset(sd, default_fmt.width, default_fmt.height,
+ M5MOLS_RES_MON);
+ if (value >= 0)
+ ret = i2c_w8_param(sd, CAT1_MONITOR_SIZE, (u8)value);
+ if (!ret)
+ ret = i2c_w8_param(sd, CAT1_MONITOR_FPS,
+ m5mols_reg_fps[default_fps.denominator]);
+ if (!ret)
+ ret = m5mols_init_controls(info);
+ if (!ret) {
+ info->fmt = default_fmt;
+ info->tpf = default_fps;
+
+ ret = 0;
+ }
+
+ return ret;
+}
+
+static int m5mols_s_power(struct v4l2_subdev *sd, int on)
+{
+ struct m5mols_info *info = to_m5mols(sd);
+ int ret = 0;
+
+ if (on) {
+ ret = m5mols_sensor_power(info, true);
+ if (!ret)
+ ret = m5mols_sensor_armboot(sd);
+ if (!ret)
+ ret = m5mols_setup_default(sd);
+ } else {
+ 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 int m5mols_get_gpio(struct m5mols_info *info,
+ const struct m5mols_platform_data *pdata)
+{
+
+ if (!gpio_is_valid(pdata->gpio_nrst))
+ return -EINVAL;
+
+ if (gpio_request(pdata->gpio_nrst, "M5MOLS-NRST"))
+ return -EINVAL;
+
+ info->gpio_nrst = pdata->gpio_nrst;
+ gpio_direction_output(info->gpio_nrst, 0);
+ gpio_export(info->gpio_nrst, 0);
+
+ return 0;
+}
+
+static int m5mols_get_regulators(struct m5mols_info *info,
+ const struct m5mols_platform_data *pdata,
+ struct i2c_client *c)
+{
+ int i = 0;
+
+ info->supply = kzalloc(sizeof(struct regulator_bulk_data) *
+ ARRAY_SIZE(supply_names), GFP_KERNEL);
+ if (!info->supply)
+ return -ENOMEM;
+
+ info->supply_size = ARRAY_SIZE(supply_names);
+ for (i = 0; i < info->supply_size; i++)
+ info->supply[i].supply = supply_names[i];
+
+ return regulator_bulk_get(&c->dev, info->supply_size, info->supply);
+}
+
+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 = 0;
+
+ if (pdata == NULL) {
+ dev_err(&client->dev, "No platform data\n");
+ return -EIO;
+ }
+
+ info = kzalloc(sizeof(struct m5mols_info), GFP_KERNEL);
+ if (info == NULL) {
+ dev_err(&client->dev, "Failed to allocate info\n");
+ return -ENOMEM;
+ }
+
+ info->set_power = pdata->set_power;
+
+ ret = m5mols_get_gpio(info, pdata);
+ if (ret) {
+ dev_err(&client->dev, "Failed to set gpio, %d\n", ret);
+ goto out_gpio;
+ }
+
+ ret = m5mols_get_regulators(info, pdata, client);
+ 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);
+
+ v4l2msg("probed m5mols driver.\n");
+
+ return 0;
+
+out_reg:
+ regulator_bulk_free(info->supply_size, info->supply);
+ kfree(info->supply);
+out_gpio:
+ if (gpio_is_valid(info->gpio_nrst))
+ gpio_free(info->gpio_nrst);
+ 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);
+
+ regulator_bulk_free(info->supply_size, info->supply);
+ if (gpio_is_valid(info->gpio_nrst))
+ gpio_free(info->gpio_nrst);
+
+ kfree(info->supply);
+ kfree(info);
+
+ 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 M5MOLS 8M Pixel camera sensor with ISP driver");
+MODULE_LICENSE("GPL");
new file mode 100644
@@ -0,0 +1,103 @@
+/*
+ * Register map for M5MOLS 8M Pixel camera sensor with ISP
+ *
+ * Copyright (C) 2010 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 a kind of command set. Including category section,
+ * all defined categories in this version supports only, as you see below:
+ */
+#define CAT_SYSTEM 0x00
+#define CAT_PARAM 0x01
+#define CAT_MON 0x02
+#define CAT_AE 0x03
+#define CAT_WB 0x06
+#define CAT_FLASH 0x0f /* related with FW, Verions, booting */
+
+/*
+ * Category 0 - System
+ *
+ * This category supports FW version, managing mode, even interrupt.
+ */
+#define CAT0_CUSTOMER_CODE 0x00
+#define CAT0_PJ_CODE 0x01
+#define CAT0_VERSION_FW_H 0x02
+#define CAT0_VERSION_FW_L 0x03
+#define CAT0_VERSION_HW_H 0x04
+#define CAT0_VERSION_HW_L 0x05
+#define CAT0_VERSION_PARM_H 0x06
+#define CAT0_VERSION_PARM_L 0x07
+#define CAT0_VERSION_AWB_H 0x08
+#define CAT0_VERSION_AWB_L 0x09
+#define CAT0_SYSMODE 0x0b
+#define CAT0_INT_ROOTEN 0x12
+
+/*
+ * category 1 - Parameter mode
+ *
+ * This category is dealing with almost camera vendor. In spite of that,
+ * It's a register to be able to detailed value for whole camera syste.
+ * The key parameter like a resolution, FPS, data interface connecting
+ * with Mobile AP, even effects.
+ */
+#define CAT1_DATA_INTERFACE 0x00
+#define CAT1_MONITOR_SIZE 0x01
+#define CAT1_MONITOR_FPS 0x02
+#define CAT1_EFFECT 0x0b
+
+/*
+ * Category 2 - Monitor mode
+ *
+ * This category supports only monitoring mode. The monitoring mode means,
+ * similar to preview. It supports like a YUYV format. At the capture mode,
+ * it is handled like a JPEG & RAW formats.
+ */
+#define CAT2_CFIXB 0x09
+#define CAT2_CFIXR 0x0a
+#define CAT2_COLOR_EFFECT 0x0b
+#define CAT2_CHROMA_LVL 0x0f
+#define CAT2_CHROMA_EN 0x10
+
+/*
+ * Category 3 - Auto Exposure
+ *
+ * Currently, it supports only gain value with monitor mode. This device
+ * is able to support Shutter, Gain(similar with Aperture), Flicker, at
+ * monitor mode & capture mode both.
+ */
+#define CAT3_AE_LOCK 0x00
+#define CAT3_AE_MODE 0x01
+#define CAT3_MANUAL_GAIN_MON_1 0x12 /* upper byte */
+#define CAT3_MANUAL_GAIN_MON_2 0x13 /* lower byte */
+#define CAT3_MANUAL_SHUT_MON_1 0x14
+#define CAT3_MANUAL_SHUT_MON_2 0x15
+#define CAT3_MAX_SHUT_MON_1 0x16
+#define CAT3_MAX_SHUT_MON_2 0x17
+#define CAT3_MAX_GAIN_MON_1 0x1a
+#define CAT3_MAX_GAIN_MON_2 0x1b
+
+/*
+ * Category 6 - White Balance
+ *
+ * Currently, it supports only auto white balance.
+ */
+#define CAT6_AWB_LOCK 0x00
+#define CAT6_AWB_MODE 0x02
+#define CAT6_AWB_MANUAL 0x03
+
+#endif /* M5MOLS_REG_H */