Initial import

7 files changed, 2549 insertions, 0 deletions

diff --git a/drivers/media/i2c/m5mols/Kconfig b/drivers/media/i2c/m5mols/Kconfig
new file mode 100644
index 000000000..dc8c25059
--- /dev/null
+++ b/drivers/media/i2c/m5mols/Kconfig
@@ -0,0 +1,6 @@
+config VIDEO_M5MOLS
+	tristate "Fujitsu M-5MOLS 8MP sensor support"
+	depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
+	depends on MEDIA_CAMERA_SUPPORT
+	---help---
+	  This driver supports Fujitsu M-5MOLS camera sensor with ISP
diff --git a/drivers/media/i2c/m5mols/Makefile b/drivers/media/i2c/m5mols/Makefile
new file mode 100644
index 000000000..0a44e028e
--- /dev/null
+++ b/drivers/media/i2c/m5mols/Makefile
@@ -0,0 +1,3 @@
+m5mols-objs	:= m5mols_core.o m5mols_controls.o m5mols_capture.o
+
+obj-$(CONFIG_VIDEO_M5MOLS)		+= m5mols.o
diff --git a/drivers/media/i2c/m5mols/m5mols.h b/drivers/media/i2c/m5mols/m5mols.h
new file mode 100644
index 000000000..90a6c520f
--- /dev/null
+++ b/drivers/media/i2c/m5mols/m5mols.h
@@ -0,0 +1,348 @@
+/*
+ * 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 <linux/sizes.h>
+#include <media/v4l2-subdev.h>
+#include "m5mols_reg.h"
+
+
+/* An amount of data transmitted in addition to the value
+ * determined by CAPP_JPEG_SIZE_MAX register.
+ */
+#define M5MOLS_JPEG_TAGS_SIZE		0x20000
+#define M5MOLS_MAIN_JPEG_SIZE_MAX	(5 * SZ_1M)
+
+extern int m5mols_debug;
+
+enum m5mols_restype {
+	M5MOLS_RESTYPE_MONITOR,
+	M5MOLS_RESTYPE_CAPTURE,
+	M5MOLS_RESTYPE_MAX,
+};
+
+/**
+ * struct m5mols_resolution - structure for the resolution
+ * @type: resolution type according to the pixel code
+ * @width: width of the resolution
+ * @height: height of the resolution
+ * @reg: resolution preset register value
+ */
+struct m5mols_resolution {
+	u8 reg;
+	enum m5mols_restype type;
+	u16 width;
+	u16 height;
+};
+
+/**
+ * struct m5mols_exif - structure for the EXIF information of M-5MOLS
+ * @exposure_time: exposure time register value
+ * @shutter_speed: speed of the shutter register value
+ * @aperture: aperture register value
+ * @exposure_bias: it calls also EV bias
+ * @iso_speed: ISO register value
+ * @flash: status register value of the flash
+ * @sdr: status register value of the Subject Distance Range
+ * @qval: not written exact meaning in document
+ */
+struct m5mols_exif {
+	u32 exposure_time;
+	u32 shutter_speed;
+	u32 aperture;
+	u32 brightness;
+	u32 exposure_bias;
+	u16 iso_speed;
+	u16 flash;
+	u16 sdr;
+	u16 qval;
+};
+
+/**
+ * struct m5mols_capture - Structure for the capture capability
+ * @exif: EXIF information
+ * @buf_size: internal JPEG frame buffer size, in bytes
+ * @main: size in bytes of the main image
+ * @thumb: size in bytes of the thumb image, if it was accompanied
+ * @total: total size in bytes of the produced image
+ */
+struct m5mols_capture {
+	struct m5mols_exif exif;
+	unsigned int buf_size;
+	u32 main;
+	u32 thumb;
+	u32 total;
+};
+
+/**
+ * struct m5mols_scenemode - structure for the scenemode capability
+ * @metering: metering light register value
+ * @ev_bias: EV bias register value
+ * @wb_mode: mode which means the WhiteBalance is Auto or Manual
+ * @wb_preset: whitebalance preset register value in the Manual mode
+ * @chroma_en: register value whether the Chroma capability is enabled or not
+ * @chroma_lvl: chroma's level register value
+ * @edge_en: register value Whether the Edge capability is enabled or not
+ * @edge_lvl: edge's level register value
+ * @af_range: Auto Focus's range
+ * @fd_mode: Face Detection mode
+ * @mcc: Multi-axis Color Conversion which means emotion color
+ * @light: status of the Light
+ * @flash: status of the Flash
+ * @tone: Tone color which means Contrast
+ * @iso: ISO register value
+ * @capt_mode: Mode of the Image Stabilization while the camera capturing
+ * @wdr: Wide Dynamic Range register value
+ *
+ * The each value according to each scenemode is recommended in the documents.
+ */
+struct m5mols_scenemode {
+	u8 metering;
+	u8 ev_bias;
+	u8 wb_mode;
+	u8 wb_preset;
+	u8 chroma_en;
+	u8 chroma_lvl;
+	u8 edge_en;
+	u8 edge_lvl;
+	u8 af_range;
+	u8 fd_mode;
+	u8 mcc;
+	u8 light;
+	u8 flash;
+	u8 tone;
+	u8 iso;
+	u8 capt_mode;
+	u8 wdr;
+};
+
+/**
+ * struct m5mols_version - firmware version information
+ * @customer:	customer information
+ * @project:	version of project information according to customer
+ * @fw:		firmware revision
+ * @hw:		hardware revision
+ * @param:	version of the parameter
+ * @awb:	Auto WhiteBalance algorithm version
+ * @str:	information about manufacturer and packaging vendor
+ * @af:		Auto Focus version
+ *
+ * The register offset starts the customer version at 0x0, and it ends
+ * the awb version at 0x09. The customer, project information occupies 1 bytes
+ * each. And also the fw, hw, param, awb each requires 2 bytes. The str is
+ * unique string associated with firmware's version. It includes information
+ * about manufacturer and the vendor of the sensor's packaging. The least
+ * significant 2 bytes of the string indicate packaging manufacturer.
+ */
+#define VERSION_STRING_SIZE	22
+struct m5mols_version {
+	u8	customer;
+	u8	project;
+	u16	fw;
+	u16	hw;
+	u16	param;
+	u16	awb;
+	u8	str[VERSION_STRING_SIZE];
+	u8	af;
+};
+
+/**
+ * struct m5mols_info - M-5MOLS driver data structure
+ * @pdata: platform data
+ * @sd: v4l-subdev instance
+ * @pad: media pad
+ * @irq_waitq: waitqueue for the capture
+ * @irq_done: set to 1 in the interrupt handler
+ * @handle: control handler
+ * @auto_exposure: auto/manual exposure control
+ * @exposure_bias: exposure compensation control
+ * @exposure: manual exposure control
+ * @metering: exposure metering control
+ * @auto_iso: auto/manual ISO sensitivity control
+ * @iso: manual ISO sensitivity control
+ * @auto_wb: auto white balance control
+ * @lock_3a: 3A lock control
+ * @colorfx: color effect control
+ * @saturation: saturation control
+ * @zoom: zoom control
+ * @wdr: wide dynamic range control
+ * @stabilization: image stabilization control
+ * @jpeg_quality: JPEG compression quality control
+ * @set_power: optional power callback to the board code
+ * @lock: mutex protecting the structure fields below
+ * @ffmt: current fmt according to resolution type
+ * @res_type: current resolution type
+ * @ver: information of the version
+ * @cap: the capture mode attributes
+ * @isp_ready: 1 when the ISP controller has completed booting
+ * @power: current sensor's power status
+ * @ctrl_sync: 1 when the control handler state is restored in H/W
+ * @resolution:	register value for current resolution
+ * @mode: register value for current operation mode
+ */
+struct m5mols_info {
+	const struct m5mols_platform_data *pdata;
+	struct v4l2_subdev sd;
+	struct media_pad pad;
+
+	wait_queue_head_t irq_waitq;
+	atomic_t irq_done;
+
+	struct v4l2_ctrl_handler handle;
+	struct {
+		/* exposure/exposure bias/auto exposure cluster */
+		struct v4l2_ctrl *auto_exposure;
+		struct v4l2_ctrl *exposure_bias;
+		struct v4l2_ctrl *exposure;
+		struct v4l2_ctrl *metering;
+	};
+	struct {
+		/* iso/auto iso cluster */
+		struct v4l2_ctrl *auto_iso;
+		struct v4l2_ctrl *iso;
+	};
+	struct v4l2_ctrl *auto_wb;
+
+	struct v4l2_ctrl *lock_3a;
+	struct v4l2_ctrl *colorfx;
+	struct v4l2_ctrl *saturation;
+	struct v4l2_ctrl *zoom;
+	struct v4l2_ctrl *wdr;
+	struct v4l2_ctrl *stabilization;
+	struct v4l2_ctrl *jpeg_quality;
+
+	int (*set_power)(struct device *dev, int on);
+
+	struct mutex lock;
+
+	struct v4l2_mbus_framefmt ffmt[M5MOLS_RESTYPE_MAX];
+	int res_type;
+
+	struct m5mols_version ver;
+	struct m5mols_capture cap;
+
+	unsigned int isp_ready:1;
+	unsigned int power:1;
+	unsigned int ctrl_sync:1;
+
+	u8 resolution;
+	u8 mode;
+};
+
+#define is_available_af(__info)	(__info->ver.af)
+#define is_code(__code, __type) (__code == m5mols_default_ffmt[__type].code)
+#define is_manufacturer(__info, __manufacturer)	\
+				(__info->ver.str[0] == __manufacturer[0] && \
+				 __info->ver.str[1] == __manufacturer[1])
+/*
+ * I2C operation of the M-5MOLS
+ *
+ * The I2C read operation of the M-5MOLS requires 2 messages. The first
+ * message sends the information about the command, command category, and total
+ * message size. The second message is used to retrieve the data specifed in
+ * the first message
+ *
+ *   1st message                                2nd message
+ *   +-------+---+----------+-----+-------+     +------+------+------+------+
+ *   | size1 | R | category | cmd | size2 |     | d[0] | d[1] | d[2] | d[3] |
+ *   +-------+---+----------+-----+-------+     +------+------+------+------+
+ *   - size1: message data size(5 in this case)
+ *   - size2: desired buffer size of the 2nd message
+ *   - d[0..3]: according to size2
+ *
+ * The I2C write operation needs just one message. The message includes
+ * category, command, total size, and desired data.
+ *
+ *   1st message
+ *   +-------+---+----------+-----+------+------+------+------+
+ *   | size1 | W | category | cmd | d[0] | d[1] | d[2] | d[3] |
+ *   +-------+---+----------+-----+------+------+------+------+
+ *   - d[0..3]: according to size1
+ */
+int m5mols_read_u8(struct v4l2_subdev *sd, u32 reg_comb, u8 *val);
+int m5mols_read_u16(struct v4l2_subdev *sd, u32 reg_comb, u16 *val);
+int m5mols_read_u32(struct v4l2_subdev *sd, u32 reg_comb, u32 *val);
+int m5mols_write(struct v4l2_subdev *sd, u32 reg_comb, u32 val);
+
+int m5mols_busy_wait(struct v4l2_subdev *sd, u32 reg, u32 value, u32 mask,
+		     int timeout);
+
+/* Mask value for busy waiting until M-5MOLS I2C interface is initialized */
+#define M5MOLS_I2C_RDY_WAIT_FL		(1 << 16)
+/* ISP state transition timeout, in ms */
+#define M5MOLS_MODE_CHANGE_TIMEOUT	200
+#define M5MOLS_BUSY_WAIT_DEF_TIMEOUT	250
+
+/*
+ * Mode operation of the M-5MOLS
+ *
+ * Changing the mode of the M-5MOLS is needed right executing order.
+ * There are three modes(PARAMETER, MONITOR, CAPTURE) which can be changed
+ * by user. There are various categories associated with each mode.
+ *
+ * +============================================================+
+ * | mode	| category					|
+ * +============================================================+
+ * | FLASH	| FLASH(only after Stand-by or Power-on)	|
+ * | SYSTEM	| SYSTEM(only after sensor arm-booting)		|
+ * | PARAMETER	| PARAMETER					|
+ * | MONITOR	| MONITOR(preview), Auto Focus, Face Detection	|
+ * | CAPTURE	| Single CAPTURE, Preview(recording)		|
+ * +============================================================+
+ *
+ * The available executing order between each modes are as follows:
+ *   PARAMETER <---> MONITOR <---> CAPTURE
+ */
+int m5mols_set_mode(struct m5mols_info *info, u8 mode);
+
+int m5mols_enable_interrupt(struct v4l2_subdev *sd, u8 reg);
+int m5mols_wait_interrupt(struct v4l2_subdev *sd, u8 condition, u32 timeout);
+int m5mols_restore_controls(struct m5mols_info *info);
+int m5mols_start_capture(struct m5mols_info *info);
+int m5mols_do_scenemode(struct m5mols_info *info, u8 mode);
+int m5mols_lock_3a(struct m5mols_info *info, bool lock);
+int m5mols_set_ctrl(struct v4l2_ctrl *ctrl);
+int m5mols_init_controls(struct v4l2_subdev *sd);
+
+/* The firmware function */
+int m5mols_update_fw(struct v4l2_subdev *sd,
+		     int (*set_power)(struct m5mols_info *, bool));
+
+static inline struct m5mols_info *to_m5mols(struct v4l2_subdev *subdev)
+{
+	return container_of(subdev, struct m5mols_info, sd);
+}
+
+static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
+{
+	struct m5mols_info *info = container_of(ctrl->handler,
+						struct m5mols_info, handle);
+	return &info->sd;
+}
+
+static inline void m5mols_set_ctrl_mode(struct v4l2_ctrl *ctrl,
+					unsigned int mode)
+{
+	ctrl->priv = (void *)(uintptr_t)mode;
+}
+
+static inline unsigned int m5mols_get_ctrl_mode(struct v4l2_ctrl *ctrl)
+{
+	return (unsigned int)(uintptr_t)ctrl->priv;
+}
+
+#endif	/* M5MOLS_H */
diff --git a/drivers/media/i2c/m5mols/m5mols_capture.c b/drivers/media/i2c/m5mols/m5mols_capture.c
new file mode 100644
index 000000000..1a03d02bd
--- /dev/null
+++ b/drivers/media/i2c/m5mols/m5mols_capture.c
@@ -0,0 +1,158 @@
+
+/*
+ * The Capture code for Fujitsu M-5MOLS 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/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 <media/exynos-fimc.h>
+
+#include "m5mols.h"
+#include "m5mols_reg.h"
+
+/**
+ * m5mols_read_rational - I2C read of a rational number
+ *
+ * Read numerator and denominator from registers @addr_num and @addr_den
+ * respectively and return the division result in @val.
+ */
+static int m5mols_read_rational(struct v4l2_subdev *sd, u32 addr_num,
+				u32 addr_den, u32 *val)
+{
+	u32 num, den;
+
+	int ret = m5mols_read_u32(sd, addr_num, &num);
+	if (!ret)
+		ret = m5mols_read_u32(sd, addr_den, &den);
+	if (ret)
+		return ret;
+	*val = den == 0 ? 0 : num / den;
+	return ret;
+}
+
+/**
+ * m5mols_capture_info - Gather captured image information
+ *
+ * For now it gathers only EXIF information and file size.
+ */
+static int m5mols_capture_info(struct m5mols_info *info)
+{
+	struct m5mols_exif *exif = &info->cap.exif;
+	struct v4l2_subdev *sd = &info->sd;
+	int ret;
+
+	ret = m5mols_read_rational(sd, EXIF_INFO_EXPTIME_NU,
+				   EXIF_INFO_EXPTIME_DE, &exif->exposure_time);
+	if (ret)
+		return ret;
+	ret = m5mols_read_rational(sd, EXIF_INFO_TV_NU, EXIF_INFO_TV_DE,
+				   &exif->shutter_speed);
+	if (ret)
+		return ret;
+	ret = m5mols_read_rational(sd, EXIF_INFO_AV_NU, EXIF_INFO_AV_DE,
+				   &exif->aperture);
+	if (ret)
+		return ret;
+	ret = m5mols_read_rational(sd, EXIF_INFO_BV_NU, EXIF_INFO_BV_DE,
+				   &exif->brightness);
+	if (ret)
+		return ret;
+	ret = m5mols_read_rational(sd, EXIF_INFO_EBV_NU, EXIF_INFO_EBV_DE,
+				   &exif->exposure_bias);
+	if (ret)
+		return ret;
+
+	ret = m5mols_read_u16(sd, EXIF_INFO_ISO, &exif->iso_speed);
+	if (!ret)
+		ret = m5mols_read_u16(sd, EXIF_INFO_FLASH, &exif->flash);
+	if (!ret)
+		ret = m5mols_read_u16(sd, EXIF_INFO_SDR, &exif->sdr);
+	if (!ret)
+		ret = m5mols_read_u16(sd, EXIF_INFO_QVAL, &exif->qval);
+	if (ret)
+		return ret;
+
+	if (!ret)
+		ret = m5mols_read_u32(sd, CAPC_IMAGE_SIZE, &info->cap.main);
+	if (!ret)
+		ret = m5mols_read_u32(sd, CAPC_THUMB_SIZE, &info->cap.thumb);
+	if (!ret)
+		info->cap.total = info->cap.main + info->cap.thumb;
+
+	return ret;
+}
+
+int m5mols_start_capture(struct m5mols_info *info)
+{
+	unsigned int framesize = info->cap.buf_size - M5MOLS_JPEG_TAGS_SIZE;
+	struct v4l2_subdev *sd = &info->sd;
+	int ret;
+
+	/*
+	 * Synchronize the controls, set the capture frame resolution and color
+	 * format. The frame capture is initiated during switching from Monitor
+	 * to Capture mode.
+	 */
+	ret = m5mols_set_mode(info, REG_MONITOR);
+	if (!ret)
+		ret = m5mols_restore_controls(info);
+	if (!ret)
+		ret = m5mols_write(sd, CAPP_YUVOUT_MAIN, REG_JPEG);
+	if (!ret)
+		ret = m5mols_write(sd, CAPP_MAIN_IMAGE_SIZE, info->resolution);
+	if (!ret)
+		ret = m5mols_write(sd, CAPP_JPEG_SIZE_MAX, framesize);
+	if (!ret)
+		ret = m5mols_set_mode(info, REG_CAPTURE);
+	if (!ret)
+		/* Wait until a frame is captured to ISP internal memory */
+		ret = m5mols_wait_interrupt(sd, REG_INT_CAPTURE, 2000);
+	if (ret)
+		return ret;
+
+	/*
+	 * Initiate the captured data transfer to a MIPI-CSI receiver.
+	 */
+	ret = m5mols_write(sd, CAPC_SEL_FRAME, 1);
+	if (!ret)
+		ret = m5mols_write(sd, CAPC_START, REG_CAP_START_MAIN);
+	if (!ret) {
+		bool captured = false;
+		unsigned int size;
+
+		/* Wait for the capture completion interrupt */
+		ret = m5mols_wait_interrupt(sd, REG_INT_CAPTURE, 2000);
+		if (!ret) {
+			captured = true;
+			ret = m5mols_capture_info(info);
+		}
+		size = captured ? info->cap.main : 0;
+		v4l2_dbg(1, m5mols_debug, sd, "%s: size: %d, thumb.: %d B\n",
+			 __func__, size, info->cap.thumb);
+
+		v4l2_subdev_notify(sd, S5P_FIMC_TX_END_NOTIFY, &size);
+	}
+
+	return ret;
+}
diff --git a/drivers/media/i2c/m5mols/m5mols_controls.c b/drivers/media/i2c/m5mols/m5mols_controls.c
new file mode 100644
index 000000000..a60931e66
--- /dev/null
+++ b/drivers/media/i2c/m5mols/m5mols_controls.c
@@ -0,0 +1,628 @@
+/*
+ * 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"
+
+static struct m5mols_scenemode m5mols_default_scenemode[] = {
+	[REG_SCENE_NORMAL] = {
+		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+		REG_AF_NORMAL, REG_FD_OFF,
+		REG_MCC_NORMAL, REG_LIGHT_OFF, REG_FLASH_OFF,
+		5, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+	},
+	[REG_SCENE_PORTRAIT] = {
+		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+		REG_CHROMA_ON, 3, REG_EDGE_ON, 4,
+		REG_AF_NORMAL, BIT_FD_EN | BIT_FD_DRAW_FACE_FRAME,
+		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+	},
+	[REG_SCENE_LANDSCAPE] = {
+		REG_AE_ALL, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+		REG_CHROMA_ON, 4, REG_EDGE_ON, 6,
+		REG_AF_NORMAL, REG_FD_OFF,
+		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+	},
+	[REG_SCENE_SPORTS] = {
+		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+		REG_AF_NORMAL, REG_FD_OFF,
+		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+	},
+	[REG_SCENE_PARTY_INDOOR] = {
+		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+		REG_CHROMA_ON, 4, REG_EDGE_ON, 5,
+		REG_AF_NORMAL, REG_FD_OFF,
+		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+		6, REG_ISO_200, REG_CAP_NONE, REG_WDR_OFF,
+	},
+	[REG_SCENE_BEACH_SNOW] = {
+		REG_AE_CENTER, REG_AE_INDEX_10_POS, REG_AWB_AUTO, 0,
+		REG_CHROMA_ON, 4, REG_EDGE_ON, 5,
+		REG_AF_NORMAL, REG_FD_OFF,
+		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+		6, REG_ISO_50, REG_CAP_NONE, REG_WDR_OFF,
+	},
+	[REG_SCENE_SUNSET] = {
+		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_PRESET,
+		REG_AWB_DAYLIGHT,
+		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+		REG_AF_NORMAL, REG_FD_OFF,
+		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+	},
+	[REG_SCENE_DAWN_DUSK] = {
+		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_PRESET,
+		REG_AWB_FLUORESCENT_1,
+		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+		REG_AF_NORMAL, REG_FD_OFF,
+		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+	},
+	[REG_SCENE_FALL] = {
+		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+		REG_CHROMA_ON, 5, REG_EDGE_ON, 5,
+		REG_AF_NORMAL, REG_FD_OFF,
+		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+	},
+	[REG_SCENE_NIGHT] = {
+		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+		REG_AF_NORMAL, REG_FD_OFF,
+		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+	},
+	[REG_SCENE_AGAINST_LIGHT] = {
+		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+		REG_AF_NORMAL, REG_FD_OFF,
+		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+	},
+	[REG_SCENE_FIRE] = {
+		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+		REG_AF_NORMAL, REG_FD_OFF,
+		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+		6, REG_ISO_50, REG_CAP_NONE, REG_WDR_OFF,
+	},
+	[REG_SCENE_TEXT] = {
+		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+		REG_CHROMA_ON, 3, REG_EDGE_ON, 7,
+		REG_AF_MACRO, REG_FD_OFF,
+		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+		6, REG_ISO_AUTO, REG_CAP_ANTI_SHAKE, REG_WDR_ON,
+	},
+	[REG_SCENE_CANDLE] = {
+		REG_AE_CENTER, REG_AE_INDEX_00, REG_AWB_AUTO, 0,
+		REG_CHROMA_ON, 3, REG_EDGE_ON, 5,
+		REG_AF_NORMAL, REG_FD_OFF,
+		REG_MCC_OFF, REG_LIGHT_OFF, REG_FLASH_OFF,
+		6, REG_ISO_AUTO, REG_CAP_NONE, REG_WDR_OFF,
+	},
+};
+
+/**
+ * m5mols_do_scenemode() - Change current scenemode
+ * @mode:	Desired mode of the scenemode
+ *
+ * WARNING: The execution order is important. Do not change the order.
+ */
+int m5mols_do_scenemode(struct m5mols_info *info, u8 mode)
+{
+	struct v4l2_subdev *sd = &info->sd;
+	struct m5mols_scenemode scenemode = m5mols_default_scenemode[mode];
+	int ret;
+
+	if (mode > REG_SCENE_CANDLE)
+		return -EINVAL;
+
+	ret = v4l2_ctrl_s_ctrl(info->lock_3a, 0);
+	if (!ret)
+		ret = m5mols_write(sd, AE_EV_PRESET_MONITOR, mode);
+	if (!ret)
+		ret = m5mols_write(sd, AE_EV_PRESET_CAPTURE, mode);
+	if (!ret)
+		ret = m5mols_write(sd, AE_MODE, scenemode.metering);
+	if (!ret)
+		ret = m5mols_write(sd, AE_INDEX, scenemode.ev_bias);
+	if (!ret)
+		ret = m5mols_write(sd, AWB_MODE, scenemode.wb_mode);
+	if (!ret)
+		ret = m5mols_write(sd, AWB_MANUAL, scenemode.wb_preset);
+	if (!ret)
+		ret = m5mols_write(sd, MON_CHROMA_EN, scenemode.chroma_en);
+	if (!ret)
+		ret = m5mols_write(sd, MON_CHROMA_LVL, scenemode.chroma_lvl);
+	if (!ret)
+		ret = m5mols_write(sd, MON_EDGE_EN, scenemode.edge_en);
+	if (!ret)
+		ret = m5mols_write(sd, MON_EDGE_LVL, scenemode.edge_lvl);
+	if (!ret && is_available_af(info))
+		ret = m5mols_write(sd, AF_MODE, scenemode.af_range);
+	if (!ret && is_available_af(info))
+		ret = m5mols_write(sd, FD_CTL, scenemode.fd_mode);
+	if (!ret)
+		ret = m5mols_write(sd, MON_TONE_CTL, scenemode.tone);
+	if (!ret)
+		ret = m5mols_write(sd, AE_ISO, scenemode.iso);
+	if (!ret)
+		ret = m5mols_set_mode(info, REG_CAPTURE);
+	if (!ret)
+		ret = m5mols_write(sd, CAPP_WDR_EN, scenemode.wdr);
+	if (!ret)
+		ret = m5mols_write(sd, CAPP_MCC_MODE, scenemode.mcc);
+	if (!ret)
+		ret = m5mols_write(sd, CAPP_LIGHT_CTRL, scenemode.light);
+	if (!ret)
+		ret = m5mols_write(sd, CAPP_FLASH_CTRL, scenemode.flash);
+	if (!ret)
+		ret = m5mols_write(sd, CAPC_MODE, scenemode.capt_mode);
+	if (!ret)
+		ret = m5mols_set_mode(info, REG_MONITOR);
+
+	return ret;
+}
+
+static int m5mols_3a_lock(struct m5mols_info *info, struct v4l2_ctrl *ctrl)
+{
+	bool af_lock = ctrl->val & V4L2_LOCK_FOCUS;
+	int ret = 0;
+
+	if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_EXPOSURE) {
+		bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE;
+
+		ret = m5mols_write(&info->sd, AE_LOCK, ae_lock ?
+				   REG_AE_LOCK : REG_AE_UNLOCK);
+		if (ret)
+			return ret;
+	}
+
+	if (((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_WHITE_BALANCE)
+	    && info->auto_wb->val) {
+		bool awb_lock = ctrl->val & V4L2_LOCK_WHITE_BALANCE;
+
+		ret = m5mols_write(&info->sd, AWB_LOCK, awb_lock ?
+				   REG_AWB_LOCK : REG_AWB_UNLOCK);
+		if (ret)
+			return ret;
+	}
+
+	if (!info->ver.af || !af_lock)
+		return ret;
+
+	if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_FOCUS)
+		ret = m5mols_write(&info->sd, AF_EXECUTE, REG_AF_STOP);
+
+	return ret;
+}
+
+static int m5mols_set_metering_mode(struct m5mols_info *info, int mode)
+{
+	unsigned int metering;
+
+	switch (mode) {
+	case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED:
+		metering = REG_AE_CENTER;
+		break;
+	case V4L2_EXPOSURE_METERING_SPOT:
+		metering = REG_AE_SPOT;
+		break;
+	default:
+		metering = REG_AE_ALL;
+		break;
+	}
+
+	return m5mols_write(&info->sd, AE_MODE, metering);
+}
+
+static int m5mols_set_exposure(struct m5mols_info *info, int exposure)
+{
+	struct v4l2_subdev *sd = &info->sd;
+	int ret = 0;
+
+	if (exposure == V4L2_EXPOSURE_AUTO) {
+		/* Unlock auto exposure */
+		info->lock_3a->val &= ~V4L2_LOCK_EXPOSURE;
+		m5mols_3a_lock(info, info->lock_3a);
+
+		ret = m5mols_set_metering_mode(info, info->metering->val);
+		if (ret < 0)
+			return ret;
+
+		v4l2_dbg(1, m5mols_debug, sd,
+			 "%s: exposure bias: %#x, metering: %#x\n",
+			 __func__, info->exposure_bias->val,
+			 info->metering->val);
+
+		return m5mols_write(sd, AE_INDEX, info->exposure_bias->val);
+	}
+
+	if (exposure == V4L2_EXPOSURE_MANUAL) {
+		ret = m5mols_write(sd, AE_MODE, REG_AE_OFF);
+		if (ret == 0)
+			ret = m5mols_write(sd, AE_MAN_GAIN_MON,
+					   info->exposure->val);
+		if (ret == 0)
+			ret = m5mols_write(sd, AE_MAN_GAIN_CAP,
+					   info->exposure->val);
+
+		v4l2_dbg(1, m5mols_debug, sd, "%s: exposure: %#x\n",
+			 __func__, info->exposure->val);
+	}
+
+	return ret;
+}
+
+static int m5mols_set_white_balance(struct m5mols_info *info, int val)
+{
+	static const unsigned short wb[][2] = {
+		{ V4L2_WHITE_BALANCE_INCANDESCENT,  REG_AWB_INCANDESCENT },
+		{ V4L2_WHITE_BALANCE_FLUORESCENT,   REG_AWB_FLUORESCENT_1 },
+		{ V4L2_WHITE_BALANCE_FLUORESCENT_H, REG_AWB_FLUORESCENT_2 },
+		{ V4L2_WHITE_BALANCE_HORIZON,       REG_AWB_HORIZON },
+		{ V4L2_WHITE_BALANCE_DAYLIGHT,      REG_AWB_DAYLIGHT },
+		{ V4L2_WHITE_BALANCE_FLASH,         REG_AWB_LEDLIGHT },
+		{ V4L2_WHITE_BALANCE_CLOUDY,        REG_AWB_CLOUDY },
+		{ V4L2_WHITE_BALANCE_SHADE,         REG_AWB_SHADE },
+		{ V4L2_WHITE_BALANCE_AUTO,          REG_AWB_AUTO },
+	};
+	int i;
+	struct v4l2_subdev *sd = &info->sd;
+	int ret = -EINVAL;
+
+	for (i = 0; i < ARRAY_SIZE(wb); i++) {
+		int awb;
+		if (wb[i][0] != val)
+			continue;
+
+		v4l2_dbg(1, m5mols_debug, sd,
+			 "Setting white balance to: %#x\n", wb[i][0]);
+
+		awb = wb[i][0] == V4L2_WHITE_BALANCE_AUTO;
+		ret = m5mols_write(sd, AWB_MODE, awb ? REG_AWB_AUTO :
+						 REG_AWB_PRESET);
+		if (ret < 0)
+			return ret;
+
+		if (!awb)
+			ret = m5mols_write(sd, AWB_MANUAL, wb[i][1]);
+	}
+
+	return ret;
+}
+
+static int m5mols_set_saturation(struct m5mols_info *info, int val)
+{
+	int ret = m5mols_write(&info->sd, MON_CHROMA_LVL, val);
+	if (ret < 0)
+		return ret;
+
+	return m5mols_write(&info->sd, MON_CHROMA_EN, REG_CHROMA_ON);
+}
+
+static int m5mols_set_color_effect(struct m5mols_info *info, int val)
+{
+	unsigned int m_effect = REG_COLOR_EFFECT_OFF;
+	unsigned int p_effect = REG_EFFECT_OFF;
+	unsigned int cfix_r = 0, cfix_b = 0;
+	struct v4l2_subdev *sd = &info->sd;
+	int ret = 0;
+
+	switch (val) {
+	case V4L2_COLORFX_BW:
+		m_effect = REG_COLOR_EFFECT_ON;
+		break;
+	case V4L2_COLORFX_NEGATIVE:
+		p_effect = REG_EFFECT_NEGA;
+		break;
+	case V4L2_COLORFX_EMBOSS:
+		p_effect = REG_EFFECT_EMBOSS;
+		break;
+	case V4L2_COLORFX_SEPIA:
+		m_effect = REG_COLOR_EFFECT_ON;
+		cfix_r = REG_CFIXR_SEPIA;
+		cfix_b = REG_CFIXB_SEPIA;
+		break;
+	}
+
+	ret = m5mols_write(sd, PARM_EFFECT, p_effect);
+	if (!ret)
+		ret = m5mols_write(sd, MON_EFFECT, m_effect);
+
+	if (ret == 0 && m_effect == REG_COLOR_EFFECT_ON) {
+		ret = m5mols_write(sd, MON_CFIXR, cfix_r);
+		if (!ret)
+			ret = m5mols_write(sd, MON_CFIXB, cfix_b);
+	}
+
+	v4l2_dbg(1, m5mols_debug, sd,
+		 "p_effect: %#x, m_effect: %#x, r: %#x, b: %#x (%d)\n",
+		 p_effect, m_effect, cfix_r, cfix_b, ret);
+
+	return ret;
+}
+
+static int m5mols_set_iso(struct m5mols_info *info, int auto_iso)
+{
+	u32 iso = auto_iso ? 0 : info->iso->val + 1;
+
+	return m5mols_write(&info->sd, AE_ISO, iso);
+}
+
+static int m5mols_set_wdr(struct m5mols_info *info, int wdr)
+{
+	int ret;
+
+	ret = m5mols_write(&info->sd, MON_TONE_CTL, wdr ? 9 : 5);
+	if (ret < 0)
+		return ret;
+
+	ret = m5mols_set_mode(info, REG_CAPTURE);
+	if (ret < 0)
+		return ret;
+
+	return m5mols_write(&info->sd, CAPP_WDR_EN, wdr);
+}
+
+static int m5mols_set_stabilization(struct m5mols_info *info, int val)
+{
+	struct v4l2_subdev *sd = &info->sd;
+	unsigned int evp = val ? 0xe : 0x0;
+	int ret;
+
+	ret = m5mols_write(sd, AE_EV_PRESET_MONITOR, evp);
+	if (ret < 0)
+		return ret;
+
+	return m5mols_write(sd, AE_EV_PRESET_CAPTURE, evp);
+}
+
+static int m5mols_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct v4l2_subdev *sd = to_sd(ctrl);
+	struct m5mols_info *info = to_m5mols(sd);
+	int ret = 0;
+	u8 status;
+
+	v4l2_dbg(1, m5mols_debug, sd, "%s: ctrl: %s (%d)\n",
+		 __func__, ctrl->name, info->isp_ready);
+
+	if (!info->isp_ready)
+		return -EBUSY;
+
+	switch (ctrl->id) {
+	case V4L2_CID_ISO_SENSITIVITY_AUTO:
+		ret = m5mols_read_u8(sd, AE_ISO, &status);
+		if (ret == 0)
+			ctrl->val = !status;
+		if (status != REG_ISO_AUTO)
+			info->iso->val = status - 1;
+		break;
+
+	case V4L2_CID_3A_LOCK:
+		ctrl->val &= ~0x7;
+
+		ret = m5mols_read_u8(sd, AE_LOCK, &status);
+		if (ret)
+			return ret;
+		if (status)
+			info->lock_3a->val |= V4L2_LOCK_EXPOSURE;
+
+		ret = m5mols_read_u8(sd, AWB_LOCK, &status);
+		if (ret)
+			return ret;
+		if (status)
+			info->lock_3a->val |= V4L2_LOCK_EXPOSURE;
+
+		ret = m5mols_read_u8(sd, AF_EXECUTE, &status);
+		if (!status)
+			info->lock_3a->val |= V4L2_LOCK_EXPOSURE;
+		break;
+	}
+
+	return ret;
+}
+
+static int m5mols_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	unsigned int ctrl_mode = m5mols_get_ctrl_mode(ctrl);
+	struct v4l2_subdev *sd = to_sd(ctrl);
+	struct m5mols_info *info = to_m5mols(sd);
+	int last_mode = info->mode;
+	int ret = 0;
+
+	/*
+	 * If needed, defer restoring the controls until
+	 * the device is fully initialized.
+	 */
+	if (!info->isp_ready) {
+		info->ctrl_sync = 0;
+		return 0;
+	}
+
+	v4l2_dbg(1, m5mols_debug, sd, "%s: %s, val: %d, priv: %p\n",
+		 __func__, ctrl->name, ctrl->val, ctrl->priv);
+
+	if (ctrl_mode && ctrl_mode != info->mode) {
+		ret = m5mols_set_mode(info, ctrl_mode);
+		if (ret < 0)
+			return ret;
+	}
+
+	switch (ctrl->id) {
+	case V4L2_CID_3A_LOCK:
+		ret = m5mols_3a_lock(info, ctrl);
+		break;
+
+	case V4L2_CID_ZOOM_ABSOLUTE:
+		ret = m5mols_write(sd, MON_ZOOM, ctrl->val);
+		break;
+
+	case V4L2_CID_EXPOSURE_AUTO:
+		ret = m5mols_set_exposure(info, ctrl->val);
+		break;
+
+	case V4L2_CID_ISO_SENSITIVITY:
+		ret = m5mols_set_iso(info, ctrl->val);
+		break;
+
+	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
+		ret = m5mols_set_white_balance(info, ctrl->val);
+		break;
+
+	case V4L2_CID_SATURATION:
+		ret = m5mols_set_saturation(info, ctrl->val);
+		break;
+
+	case V4L2_CID_COLORFX:
+		ret = m5mols_set_color_effect(info, ctrl->val);
+		break;
+
+	case V4L2_CID_WIDE_DYNAMIC_RANGE:
+		ret = m5mols_set_wdr(info, ctrl->val);
+		break;
+
+	case V4L2_CID_IMAGE_STABILIZATION:
+		ret = m5mols_set_stabilization(info, ctrl->val);
+		break;
+
+	case V4L2_CID_JPEG_COMPRESSION_QUALITY:
+		ret = m5mols_write(sd, CAPP_JPEG_RATIO, ctrl->val);
+		break;
+	}
+
+	if (ret == 0 && info->mode != last_mode)
+		ret = m5mols_set_mode(info, last_mode);
+
+	return ret;
+}
+
+static const struct v4l2_ctrl_ops m5mols_ctrl_ops = {
+	.g_volatile_ctrl	= m5mols_g_volatile_ctrl,
+	.s_ctrl			= m5mols_s_ctrl,
+};
+
+/* Supported manual ISO values */
+static const s64 iso_qmenu[] = {
+	/* AE_ISO: 0x01...0x07 (ISO: 50...3200) */
+	50000, 100000, 200000, 400000, 800000, 1600000, 3200000
+};
+
+/* Supported Exposure Bias values, -2.0EV...+2.0EV */
+static const s64 ev_bias_qmenu[] = {
+	/* AE_INDEX: 0x00...0x08 */
+	-2000, -1500, -1000, -500, 0, 500, 1000, 1500, 2000
+};
+
+int m5mols_init_controls(struct v4l2_subdev *sd)
+{
+	struct m5mols_info *info = to_m5mols(sd);
+	u16 exposure_max;
+	u16 zoom_step;
+	int ret;
+
+	/* Determine the firmware dependent control range and step values */
+	ret = m5mols_read_u16(sd, AE_MAX_GAIN_MON, &exposure_max);
+	if (ret < 0)
+		return ret;
+
+	zoom_step = is_manufacturer(info, REG_SAMSUNG_OPTICS) ? 31 : 1;
+	v4l2_ctrl_handler_init(&info->handle, 20);
+
+	info->auto_wb = v4l2_ctrl_new_std_menu(&info->handle,
+			&m5mols_ctrl_ops, V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
+			9, ~0x3fe, V4L2_WHITE_BALANCE_AUTO);
+
+	/* Exposure control cluster */
+	info->auto_exposure = v4l2_ctrl_new_std_menu(&info->handle,
+			&m5mols_ctrl_ops, V4L2_CID_EXPOSURE_AUTO,
+			1, ~0x03, V4L2_EXPOSURE_AUTO);
+
+	info->exposure = v4l2_ctrl_new_std(&info->handle,
+			&m5mols_ctrl_ops, V4L2_CID_EXPOSURE,
+			0, exposure_max, 1, exposure_max / 2);
+
+	info->exposure_bias = v4l2_ctrl_new_int_menu(&info->handle,
+			&m5mols_ctrl_ops, V4L2_CID_AUTO_EXPOSURE_BIAS,
+			ARRAY_SIZE(ev_bias_qmenu) - 1,
+			ARRAY_SIZE(ev_bias_qmenu)/2 - 1,
+			ev_bias_qmenu);
+
+	info->metering = v4l2_ctrl_new_std_menu(&info->handle,
+			&m5mols_ctrl_ops, V4L2_CID_EXPOSURE_METERING,
+			2, ~0x7, V4L2_EXPOSURE_METERING_AVERAGE);
+
+	/* ISO control cluster */
+	info->auto_iso = v4l2_ctrl_new_std_menu(&info->handle, &m5mols_ctrl_ops,
+			V4L2_CID_ISO_SENSITIVITY_AUTO, 1, ~0x03, 1);
+
+	info->iso = v4l2_ctrl_new_int_menu(&info->handle, &m5mols_ctrl_ops,
+			V4L2_CID_ISO_SENSITIVITY, ARRAY_SIZE(iso_qmenu) - 1,
+			ARRAY_SIZE(iso_qmenu)/2 - 1, iso_qmenu);
+
+	info->saturation = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
+			V4L2_CID_SATURATION, 1, 5, 1, 3);
+
+	info->zoom = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
+			V4L2_CID_ZOOM_ABSOLUTE, 1, 70, zoom_step, 1);
+
+	info->colorfx = v4l2_ctrl_new_std_menu(&info->handle, &m5mols_ctrl_ops,
+			V4L2_CID_COLORFX, 4, 0, V4L2_COLORFX_NONE);
+
+	info->wdr = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
+			V4L2_CID_WIDE_DYNAMIC_RANGE, 0, 1, 1, 0);
+
+	info->stabilization = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
+			V4L2_CID_IMAGE_STABILIZATION, 0, 1, 1, 0);
+
+	info->jpeg_quality = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
+			V4L2_CID_JPEG_COMPRESSION_QUALITY, 1, 100, 1, 80);
+
+	info->lock_3a = v4l2_ctrl_new_std(&info->handle, &m5mols_ctrl_ops,
+			V4L2_CID_3A_LOCK, 0, 0x7, 0, 0);
+
+	if (info->handle.error) {
+		int ret = info->handle.error;
+		v4l2_err(sd, "Failed to initialize controls: %d\n", ret);
+		v4l2_ctrl_handler_free(&info->handle);
+		return ret;
+	}
+
+	v4l2_ctrl_auto_cluster(4, &info->auto_exposure, 1, false);
+	info->auto_iso->flags |= V4L2_CTRL_FLAG_VOLATILE |
+				V4L2_CTRL_FLAG_UPDATE;
+	v4l2_ctrl_auto_cluster(2, &info->auto_iso, 0, false);
+
+	info->lock_3a->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+	m5mols_set_ctrl_mode(info->auto_exposure, REG_PARAMETER);
+	m5mols_set_ctrl_mode(info->auto_wb, REG_PARAMETER);
+	m5mols_set_ctrl_mode(info->colorfx, REG_MONITOR);
+
+	sd->ctrl_handler = &info->handle;
+
+	return 0;
+}
diff --git a/drivers/media/i2c/m5mols/m5mols_core.c b/drivers/media/i2c/m5mols/m5mols_core.c
new file mode 100644
index 000000000..6404c0d93
--- /dev/null
+++ b/drivers/media/i2c/m5mols/m5mols_core.c
@@ -0,0 +1,1043 @@
+/*
+ * 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/gpio.h>
+#include <linux/regulator/consumer.h>
+#include <linux/videodev2.h>
+#include <linux/module.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 MODULE_NAME		"M5MOLS"
+#define M5MOLS_I2C_CHECK_RETRY	500
+
+/* The regulator consumer names for external voltage regulators */
+static struct regulator_bulk_data supplies[] = {
+	{
+		.supply = "core",	/* ARM core power, 1.2V */
+	}, {
+		.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 */
+	},
+};
+
+static struct v4l2_mbus_framefmt m5mols_default_ffmt[M5MOLS_RESTYPE_MAX] = {
+	[M5MOLS_RESTYPE_MONITOR] = {
+		.width		= 1920,
+		.height		= 1080,
+		.code		= MEDIA_BUS_FMT_VYUY8_2X8,
+		.field		= V4L2_FIELD_NONE,
+		.colorspace	= V4L2_COLORSPACE_JPEG,
+	},
+	[M5MOLS_RESTYPE_CAPTURE] = {
+		.width		= 1920,
+		.height		= 1080,
+		.code		= MEDIA_BUS_FMT_JPEG_1X8,
+		.field		= V4L2_FIELD_NONE,
+		.colorspace	= V4L2_COLORSPACE_JPEG,
+	},
+};
+#define SIZE_DEFAULT_FFMT	ARRAY_SIZE(m5mols_default_ffmt)
+
+static const struct m5mols_resolution m5mols_reg_res[] = {
+	{ 0x01, M5MOLS_RESTYPE_MONITOR, 128, 96 },	/* SUB-QCIF */
+	{ 0x03, M5MOLS_RESTYPE_MONITOR, 160, 120 },	/* QQVGA */
+	{ 0x05, M5MOLS_RESTYPE_MONITOR, 176, 144 },	/* QCIF */
+	{ 0x06, M5MOLS_RESTYPE_MONITOR, 176, 176 },
+	{ 0x08, M5MOLS_RESTYPE_MONITOR, 240, 320 },	/* QVGA */
+	{ 0x09, M5MOLS_RESTYPE_MONITOR, 320, 240 },	/* QVGA */
+	{ 0x0c, M5MOLS_RESTYPE_MONITOR, 240, 400 },	/* WQVGA */
+	{ 0x0d, M5MOLS_RESTYPE_MONITOR, 400, 240 },	/* WQVGA */
+	{ 0x0e, M5MOLS_RESTYPE_MONITOR, 352, 288 },	/* CIF */
+	{ 0x13, M5MOLS_RESTYPE_MONITOR, 480, 360 },
+	{ 0x15, M5MOLS_RESTYPE_MONITOR, 640, 360 },	/* qHD */
+	{ 0x17, M5MOLS_RESTYPE_MONITOR, 640, 480 },	/* VGA */
+	{ 0x18, M5MOLS_RESTYPE_MONITOR, 720, 480 },
+	{ 0x1a, M5MOLS_RESTYPE_MONITOR, 800, 480 },	/* WVGA */
+	{ 0x1f, M5MOLS_RESTYPE_MONITOR, 800, 600 },	/* SVGA */
+	{ 0x21, M5MOLS_RESTYPE_MONITOR, 1280, 720 },	/* HD */
+	{ 0x25, M5MOLS_RESTYPE_MONITOR, 1920, 1080 },	/* 1080p */
+	{ 0x29, M5MOLS_RESTYPE_MONITOR, 3264, 2448 },	/* 2.63fps 8M */
+	{ 0x39, M5MOLS_RESTYPE_MONITOR, 800, 602 },	/* AHS_MON debug */
+
+	{ 0x02, M5MOLS_RESTYPE_CAPTURE, 320, 240 },	/* QVGA */
+	{ 0x04, M5MOLS_RESTYPE_CAPTURE, 400, 240 },	/* WQVGA */
+	{ 0x07, M5MOLS_RESTYPE_CAPTURE, 480, 360 },
+	{ 0x08, M5MOLS_RESTYPE_CAPTURE, 640, 360 },	/* qHD */
+	{ 0x09, M5MOLS_RESTYPE_CAPTURE, 640, 480 },	/* VGA */
+	{ 0x0a, M5MOLS_RESTYPE_CAPTURE, 800, 480 },	/* WVGA */
+	{ 0x10, M5MOLS_RESTYPE_CAPTURE, 1280, 720 },	/* HD */
+	{ 0x14, M5MOLS_RESTYPE_CAPTURE, 1280, 960 },	/* 1M */
+	{ 0x17, M5MOLS_RESTYPE_CAPTURE, 1600, 1200 },	/* 2M */
+	{ 0x19, M5MOLS_RESTYPE_CAPTURE, 1920, 1080 },	/* Full-HD */
+	{ 0x1a, M5MOLS_RESTYPE_CAPTURE, 2048, 1152 },	/* 3Mega */
+	{ 0x1b, M5MOLS_RESTYPE_CAPTURE, 2048, 1536 },
+	{ 0x1c, M5MOLS_RESTYPE_CAPTURE, 2560, 1440 },	/* 4Mega */
+	{ 0x1d, M5MOLS_RESTYPE_CAPTURE, 2560, 1536 },
+	{ 0x1f, M5MOLS_RESTYPE_CAPTURE, 2560, 1920 },	/* 5Mega */
+	{ 0x21, M5MOLS_RESTYPE_CAPTURE, 3264, 1836 },	/* 6Mega */
+	{ 0x22, M5MOLS_RESTYPE_CAPTURE, 3264, 1960 },
+	{ 0x25, M5MOLS_RESTYPE_CAPTURE, 3264, 2448 },	/* 8Mega */
+};
+
+/**
+ * m5mols_swap_byte - an byte array to integer conversion function
+ * @size: size in bytes of I2C packet defined in the M-5MOLS datasheet
+ *
+ * Convert I2C data byte array with performing any required byte
+ * reordering to assure proper values for each data type, regardless
+ * of the architecture endianness.
+ */
+static u32 m5mols_swap_byte(u8 *data, u8 length)
+{
+	if (length == 1)
+		return *data;
+	else if (length == 2)
+		return be16_to_cpu(*((__be16 *)data));
+	else
+		return be32_to_cpu(*((__be32 *)data));
+}
+
+/**
+ * m5mols_read -  I2C read function
+ * @reg: combination of size, category and command for the I2C packet
+ * @size: desired size of I2C packet
+ * @val: read value
+ *
+ * Returns 0 on success, or else negative errno.
+ */
+static int m5mols_read(struct v4l2_subdev *sd, u32 size, u32 reg, u32 *val)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+	struct m5mols_info *info = to_m5mols(sd);
+	u8 rbuf[M5MOLS_I2C_MAX_SIZE + 1];
+	u8 category = I2C_CATEGORY(reg);
+	u8 cmd = I2C_COMMAND(reg);
+	struct i2c_msg msg[2];
+	u8 wbuf[5];
+	int ret;
+
+	if (!client->adapter)
+		return -ENODEV;
+
+	msg[0].addr = client->addr;
+	msg[0].flags = 0;
+	msg[0].len = 5;
+	msg[0].buf = wbuf;
+	wbuf[0] = 5;
+	wbuf[1] = M5MOLS_BYTE_READ;
+	wbuf[2] = category;
+	wbuf[3] = cmd;
+	wbuf[4] = size;
+
+	msg[1].addr = client->addr;
+	msg[1].flags = I2C_M_RD;
+	msg[1].len = size + 1;
+	msg[1].buf = rbuf;
+
+	/* minimum stabilization time */
+	usleep_range(200, 200);
+
+	ret = i2c_transfer(client->adapter, msg, 2);
+
+	if (ret == 2) {
+		*val = m5mols_swap_byte(&rbuf[1], size);
+		return 0;
+	}
+
+	if (info->isp_ready)
+		v4l2_err(sd, "read failed: size:%d cat:%02x cmd:%02x. %d\n",
+			 size, category, cmd, ret);
+
+	return ret < 0 ? ret : -EIO;
+}
+
+int m5mols_read_u8(struct v4l2_subdev *sd, u32 reg, u8 *val)
+{
+	u32 val_32;
+	int ret;
+
+	if (I2C_SIZE(reg) != 1) {
+		v4l2_err(sd, "Wrong data size\n");
+		return -EINVAL;
+	}
+
+	ret = m5mols_read(sd, I2C_SIZE(reg), reg, &val_32);
+	if (ret)
+		return ret;
+
+	*val = (u8)val_32;
+	return ret;
+}
+
+int m5mols_read_u16(struct v4l2_subdev *sd, u32 reg, u16 *val)
+{
+	u32 val_32;
+	int ret;
+
+	if (I2C_SIZE(reg) != 2) {
+		v4l2_err(sd, "Wrong data size\n");
+		return -EINVAL;
+	}
+
+	ret = m5mols_read(sd, I2C_SIZE(reg), reg, &val_32);
+	if (ret)
+		return ret;
+
+	*val = (u16)val_32;
+	return ret;
+}
+
+int m5mols_read_u32(struct v4l2_subdev *sd, u32 reg, u32 *val)
+{
+	if (I2C_SIZE(reg) != 4) {
+		v4l2_err(sd, "Wrong data size\n");
+		return -EINVAL;
+	}
+
+	return m5mols_read(sd, I2C_SIZE(reg), reg, val);
+}
+
+/**
+ * m5mols_write - I2C command write function
+ * @reg: combination of size, category and command for the I2C packet
+ * @val: value to write
+ *
+ * Returns 0 on success, or else negative errno.
+ */
+int m5mols_write(struct v4l2_subdev *sd, u32 reg, u32 val)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+	struct m5mols_info *info = to_m5mols(sd);
+	u8 wbuf[M5MOLS_I2C_MAX_SIZE + 4];
+	u8 category = I2C_CATEGORY(reg);
+	u8 cmd = I2C_COMMAND(reg);
+	u8 size	= I2C_SIZE(reg);
+	u32 *buf = (u32 *)&wbuf[4];
+	struct i2c_msg msg[1];
+	int ret;
+
+	if (!client->adapter)
+		return -ENODEV;
+
+	if (size != 1 && size != 2 && size != 4) {
+		v4l2_err(sd, "Wrong data size\n");
+		return -EINVAL;
+	}
+
+	msg->addr = client->addr;
+	msg->flags = 0;
+	msg->len = (u16)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);
+
+	ret = i2c_transfer(client->adapter, msg, 1);
+	if (ret == 1)
+		return 0;
+
+	if (info->isp_ready)
+		v4l2_err(sd, "write failed: cat:%02x cmd:%02x ret:%d\n",
+			 category, cmd, ret);
+
+	return ret < 0 ? ret : -EIO;
+}
+
+/**
+ * m5mols_busy_wait - Busy waiting with I2C register polling
+ * @reg: the I2C_REG() address of an 8-bit status register to check
+ * @value: expected status register value
+ * @mask: bit mask for the read status register value
+ * @timeout: timeout in miliseconds, or -1 for default timeout
+ *
+ * The @reg register value is ORed with @mask before comparing with @value.
+ *
+ * Return: 0 if the requested condition became true within less than
+ *         @timeout ms, or else negative errno.
+ */
+int m5mols_busy_wait(struct v4l2_subdev *sd, u32 reg, u32 value, u32 mask,
+		     int timeout)
+{
+	int ms = timeout < 0 ? M5MOLS_BUSY_WAIT_DEF_TIMEOUT : timeout;
+	unsigned long end = jiffies + msecs_to_jiffies(ms);
+	u8 status;
+
+	do {
+		int ret = m5mols_read_u8(sd, reg, &status);
+
+		if (ret < 0 && !(mask & M5MOLS_I2C_RDY_WAIT_FL))
+			return ret;
+		if (!ret && (status & mask & 0xff) == (value & 0xff))
+			return 0;
+		usleep_range(100, 250);
+	} while (ms > 0 && time_is_after_jiffies(end));
+
+	return -EBUSY;
+}
+
+/**
+ * m5mols_enable_interrupt - Clear interrupt pending bits and unmask interrupts
+ *
+ * Before writing desired interrupt value the INT_FACTOR register should
+ * be read to clear pending interrupts.
+ */
+int m5mols_enable_interrupt(struct v4l2_subdev *sd, u8 reg)
+{
+	struct m5mols_info *info = to_m5mols(sd);
+	u8 mask = is_available_af(info) ? REG_INT_AF : 0;
+	u8 dummy;
+	int ret;
+
+	ret = m5mols_read_u8(sd, SYSTEM_INT_FACTOR, &dummy);
+	if (!ret)
+		ret = m5mols_write(sd, SYSTEM_INT_ENABLE, reg & ~mask);
+	return ret;
+}
+
+int m5mols_wait_interrupt(struct v4l2_subdev *sd, u8 irq_mask, u32 timeout)
+{
+	struct m5mols_info *info = to_m5mols(sd);
+
+	int ret = wait_event_interruptible_timeout(info->irq_waitq,
+				atomic_add_unless(&info->irq_done, -1, 0),
+				msecs_to_jiffies(timeout));
+	if (ret <= 0)
+		return ret ? ret : -ETIMEDOUT;
+
+	return m5mols_busy_wait(sd, SYSTEM_INT_FACTOR, irq_mask,
+				M5MOLS_I2C_RDY_WAIT_FL | irq_mask, -1);
+}
+
+/**
+ * m5mols_reg_mode - Write the mode and check busy status
+ *
+ * It always accompanies a little delay changing the M-5MOLS mode, so it is
+ * needed checking current busy status to guarantee right mode.
+ */
+static int m5mols_reg_mode(struct v4l2_subdev *sd, u8 mode)
+{
+	int ret = m5mols_write(sd, SYSTEM_SYSMODE, mode);
+	if (ret < 0)
+		return ret;
+	return m5mols_busy_wait(sd, SYSTEM_SYSMODE, mode, 0xff,
+				M5MOLS_MODE_CHANGE_TIMEOUT);
+}
+
+/**
+ * m5mols_set_mode - set the M-5MOLS controller mode
+ * @mode: the required operation mode
+ *
+ * The commands of M-5MOLS are grouped into specific modes. Each functionality
+ * can be guaranteed only when the sensor is operating in mode which a command
+ * belongs to.
+ */
+int m5mols_set_mode(struct m5mols_info *info, u8 mode)
+{
+	struct v4l2_subdev *sd = &info->sd;
+	int ret = -EINVAL;
+	u8 reg;
+
+	if (mode < REG_PARAMETER || mode > REG_CAPTURE)
+		return ret;
+
+	ret = m5mols_read_u8(sd, SYSTEM_SYSMODE, &reg);
+	if (ret || reg == mode)
+		return ret;
+
+	switch (reg) {
+	case REG_PARAMETER:
+		ret = m5mols_reg_mode(sd, REG_MONITOR);
+		if (mode == REG_MONITOR)
+			break;
+		if (!ret)
+			ret = m5mols_reg_mode(sd, REG_CAPTURE);
+		break;
+
+	case REG_MONITOR:
+		if (mode == REG_PARAMETER) {
+			ret = m5mols_reg_mode(sd, REG_PARAMETER);
+			break;
+		}
+
+		ret = m5mols_reg_mode(sd, REG_CAPTURE);
+		break;
+
+	case REG_CAPTURE:
+		ret = m5mols_reg_mode(sd, REG_MONITOR);
+		if (mode == REG_MONITOR)
+			break;
+		if (!ret)
+			ret = m5mols_reg_mode(sd, REG_PARAMETER);
+		break;
+
+	default:
+		v4l2_warn(sd, "Wrong mode: %d\n", mode);
+	}
+
+	if (!ret)
+		info->mode = mode;
+
+	return ret;
+}
+
+/**
+ * m5mols_get_version - retrieve full revisions information of M-5MOLS
+ *
+ * The version information includes revisions of hardware and firmware,
+ * AutoFocus alghorithm version and the version string.
+ */
+static int m5mols_get_version(struct v4l2_subdev *sd)
+{
+	struct m5mols_info *info = to_m5mols(sd);
+	struct m5mols_version *ver = &info->ver;
+	u8 *str = ver->str;
+	int i;
+	int ret;
+
+	ret = m5mols_read_u8(sd, SYSTEM_VER_CUSTOMER, &ver->customer);
+	if (!ret)
+		ret = m5mols_read_u8(sd, SYSTEM_VER_PROJECT, &ver->project);
+	if (!ret)
+		ret = m5mols_read_u16(sd, SYSTEM_VER_FIRMWARE, &ver->fw);
+	if (!ret)
+		ret = m5mols_read_u16(sd, SYSTEM_VER_HARDWARE, &ver->hw);
+	if (!ret)
+		ret = m5mols_read_u16(sd, SYSTEM_VER_PARAMETER, &ver->param);
+	if (!ret)
+		ret = m5mols_read_u16(sd, SYSTEM_VER_AWB, &ver->awb);
+	if (!ret)
+		ret = m5mols_read_u8(sd, AF_VERSION, &ver->af);
+	if (ret)
+		return ret;
+
+	for (i = 0; i < VERSION_STRING_SIZE; i++) {
+		ret = m5mols_read_u8(sd, SYSTEM_VER_STRING, &str[i]);
+		if (ret)
+			return ret;
+	}
+
+	v4l2_info(sd, "Manufacturer\t[%s]\n",
+			is_manufacturer(info, REG_SAMSUNG_ELECTRO) ?
+			"Samsung Electro-Machanics" :
+			is_manufacturer(info, REG_SAMSUNG_OPTICS) ?
+			"Samsung Fiber-Optics" :
+			is_manufacturer(info, REG_SAMSUNG_TECHWIN) ?
+			"Samsung Techwin" : "None");
+	v4l2_info(sd, "Customer/Project\t[0x%02x/0x%02x]\n",
+			info->ver.customer, info->ver.project);
+
+	if (!is_available_af(info))
+		v4l2_info(sd, "No support Auto Focus on this firmware\n");
+
+	return ret;
+}
+
+/**
+ * __find_restype - Lookup M-5MOLS resolution type according to pixel code
+ * @code: pixel code
+ */
+static enum m5mols_restype __find_restype(u32 code)
+{
+	enum m5mols_restype type = M5MOLS_RESTYPE_MONITOR;
+
+	do {
+		if (code == m5mols_default_ffmt[type].code)
+			return type;
+	} while (type++ != SIZE_DEFAULT_FFMT);
+
+	return 0;
+}
+
+/**
+ * __find_resolution - Lookup preset and type of M-5MOLS's resolution
+ * @mf: pixel format to find/negotiate the resolution preset for
+ * @type: M-5MOLS resolution type
+ * @resolution:	M-5MOLS resolution preset register value
+ *
+ * Find nearest resolution matching resolution preset and adjust mf
+ * to supported values.
+ */
+static int __find_resolution(struct v4l2_subdev *sd,
+			     struct v4l2_mbus_framefmt *mf,
+			     enum m5mols_restype *type,
+			     u32 *resolution)
+{
+	const struct m5mols_resolution *fsize = &m5mols_reg_res[0];
+	const struct m5mols_resolution *match = NULL;
+	enum m5mols_restype stype = __find_restype(mf->code);
+	int i = ARRAY_SIZE(m5mols_reg_res);
+	unsigned int min_err = ~0;
+
+	while (i--) {
+		int err;
+		if (stype == fsize->type) {
+			err = abs(fsize->width - mf->width)
+				+ abs(fsize->height - mf->height);
+
+			if (err < min_err) {
+				min_err = err;
+				match = fsize;
+			}
+		}
+		fsize++;
+	}
+	if (match) {
+		mf->width  = match->width;
+		mf->height = match->height;
+		*resolution = match->reg;
+		*type = stype;
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+static struct v4l2_mbus_framefmt *__find_format(struct m5mols_info *info,
+				struct v4l2_subdev_pad_config *cfg,
+				enum v4l2_subdev_format_whence which,
+				enum m5mols_restype type)
+{
+	if (which == V4L2_SUBDEV_FORMAT_TRY)
+		return cfg ? v4l2_subdev_get_try_format(&info->sd, cfg, 0) : NULL;
+
+	return &info->ffmt[type];
+}
+
+static int m5mols_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg,
+			  struct v4l2_subdev_format *fmt)
+{
+	struct m5mols_info *info = to_m5mols(sd);
+	struct v4l2_mbus_framefmt *format;
+	int ret = 0;
+
+	mutex_lock(&info->lock);
+
+	format = __find_format(info, cfg, fmt->which, info->res_type);
+	if (format)
+		fmt->format = *format;
+	else
+		ret = -EINVAL;
+
+	mutex_unlock(&info->lock);
+	return ret;
+}
+
+static int m5mols_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg,
+			  struct v4l2_subdev_format *fmt)
+{
+	struct m5mols_info *info = to_m5mols(sd);
+	struct v4l2_mbus_framefmt *format = &fmt->format;
+	struct v4l2_mbus_framefmt *sfmt;
+	enum m5mols_restype type;
+	u32 resolution = 0;
+	int ret;
+
+	ret = __find_resolution(sd, format, &type, &resolution);
+	if (ret < 0)
+		return ret;
+
+	sfmt = __find_format(info, cfg, fmt->which, type);
+	if (!sfmt)
+		return 0;
+
+	mutex_lock(&info->lock);
+
+	format->code = m5mols_default_ffmt[type].code;
+	format->colorspace = V4L2_COLORSPACE_JPEG;
+	format->field = V4L2_FIELD_NONE;
+
+	if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
+		*sfmt = *format;
+		info->resolution = resolution;
+		info->res_type = type;
+	}
+
+	mutex_unlock(&info->lock);
+	return ret;
+}
+
+static int m5mols_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
+				 struct v4l2_mbus_frame_desc *fd)
+{
+	struct m5mols_info *info = to_m5mols(sd);
+
+	if (pad != 0 || fd == NULL)
+		return -EINVAL;
+
+	mutex_lock(&info->lock);
+	/*
+	 * .get_frame_desc is only used for compressed formats,
+	 * thus we always return the capture frame parameters here.
+	 */
+	fd->entry[0].length = info->cap.buf_size;
+	fd->entry[0].pixelcode = info->ffmt[M5MOLS_RESTYPE_CAPTURE].code;
+	mutex_unlock(&info->lock);
+
+	fd->entry[0].flags = V4L2_MBUS_FRAME_DESC_FL_LEN_MAX;
+	fd->num_entries = 1;
+
+	return 0;
+}
+
+static int m5mols_set_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
+				 struct v4l2_mbus_frame_desc *fd)
+{
+	struct m5mols_info *info = to_m5mols(sd);
+	struct v4l2_mbus_framefmt *mf = &info->ffmt[M5MOLS_RESTYPE_CAPTURE];
+
+	if (pad != 0 || fd == NULL)
+		return -EINVAL;
+
+	fd->entry[0].flags = V4L2_MBUS_FRAME_DESC_FL_LEN_MAX;
+	fd->num_entries = 1;
+	fd->entry[0].length = clamp_t(u32, fd->entry[0].length,
+				      mf->width * mf->height,
+				      M5MOLS_MAIN_JPEG_SIZE_MAX);
+	mutex_lock(&info->lock);
+	info->cap.buf_size = fd->entry[0].length;
+	mutex_unlock(&info->lock);
+
+	return 0;
+}
+
+
+static int m5mols_enum_mbus_code(struct v4l2_subdev *sd,
+				 struct v4l2_subdev_pad_config *cfg,
+				 struct v4l2_subdev_mbus_code_enum *code)
+{
+	if (!code || code->index >= SIZE_DEFAULT_FFMT)
+		return -EINVAL;
+
+	code->code = m5mols_default_ffmt[code->index].code;
+
+	return 0;
+}
+
+static struct v4l2_subdev_pad_ops m5mols_pad_ops = {
+	.enum_mbus_code	= m5mols_enum_mbus_code,
+	.get_fmt	= m5mols_get_fmt,
+	.set_fmt	= m5mols_set_fmt,
+	.get_frame_desc	= m5mols_get_frame_desc,
+	.set_frame_desc	= m5mols_set_frame_desc,
+};
+
+/**
+ * m5mols_restore_controls - Apply current control values to the registers
+ *
+ * m5mols_do_scenemode() handles all parameters for which there is yet no
+ * individual control. It should be replaced at some point by setting each
+ * control individually, in required register set up order.
+ */
+int m5mols_restore_controls(struct m5mols_info *info)
+{
+	int ret;
+
+	if (info->ctrl_sync)
+		return 0;
+
+	ret = m5mols_do_scenemode(info, REG_SCENE_NORMAL);
+	if (ret)
+		return ret;
+
+	ret = v4l2_ctrl_handler_setup(&info->handle);
+	info->ctrl_sync = !ret;
+
+	return ret;
+}
+
+/**
+ * m5mols_start_monitor - Start the monitor mode
+ *
+ * Before applying the controls setup the resolution and frame rate
+ * in PARAMETER mode, and then switch over to MONITOR mode.
+ */
+static int m5mols_start_monitor(struct m5mols_info *info)
+{
+	struct v4l2_subdev *sd = &info->sd;
+	int ret;
+
+	ret = m5mols_set_mode(info, REG_PARAMETER);
+	if (!ret)
+		ret = m5mols_write(sd, PARM_MON_SIZE, info->resolution);
+	if (!ret)
+		ret = m5mols_write(sd, PARM_MON_FPS, REG_FPS_30);
+	if (!ret)
+		ret = m5mols_set_mode(info, REG_MONITOR);
+	if (!ret)
+		ret = m5mols_restore_controls(info);
+
+	return ret;
+}
+
+static int m5mols_s_stream(struct v4l2_subdev *sd, int enable)
+{
+	struct m5mols_info *info = to_m5mols(sd);
+	u32 code;
+	int ret;
+
+	mutex_lock(&info->lock);
+	code = info->ffmt[info->res_type].code;
+
+	if (enable) {
+		if (is_code(code, M5MOLS_RESTYPE_MONITOR))
+			ret = m5mols_start_monitor(info);
+		else if (is_code(code, M5MOLS_RESTYPE_CAPTURE))
+			ret = m5mols_start_capture(info);
+		else
+			ret = -EINVAL;
+	} else {
+		ret = m5mols_set_mode(info, REG_PARAMETER);
+	}
+
+	mutex_unlock(&info->lock);
+	return ret;
+}
+
+static const struct v4l2_subdev_video_ops m5mols_video_ops = {
+	.s_stream	= m5mols_s_stream,
+};
+
+static int m5mols_sensor_power(struct m5mols_info *info, bool enable)
+{
+	struct v4l2_subdev *sd = &info->sd;
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+	const struct m5mols_platform_data *pdata = info->pdata;
+	int ret;
+
+	if (info->power == enable)
+		return 0;
+
+	if (enable) {
+		if (info->set_power) {
+			ret = info->set_power(&client->dev, 1);
+			if (ret)
+				return ret;
+		}
+
+		ret = regulator_bulk_enable(ARRAY_SIZE(supplies), supplies);
+		if (ret) {
+			info->set_power(&client->dev, 0);
+			return ret;
+		}
+
+		gpio_set_value(pdata->gpio_reset, !pdata->reset_polarity);
+		info->power = 1;
+
+		return ret;
+	}
+
+	ret = regulator_bulk_disable(ARRAY_SIZE(supplies), supplies);
+	if (ret)
+		return ret;
+
+	if (info->set_power)
+		info->set_power(&client->dev, 0);
+
+	gpio_set_value(pdata->gpio_reset, pdata->reset_polarity);
+
+	info->isp_ready = 0;
+	info->power = 0;
+
+	return ret;
+}
+
+/* m5mols_update_fw - optional firmware update routine */
+int __attribute__ ((weak)) m5mols_update_fw(struct v4l2_subdev *sd,
+		int (*set_power)(struct m5mols_info *, bool))
+{
+	return 0;
+}
+
+/**
+ * m5mols_fw_start - M-5MOLS internal ARM controller initialization
+ *
+ * Execute the M-5MOLS internal ARM controller initialization sequence.
+ * This function should be called after the supply voltage has been
+ * applied and before any requests to the device are made.
+ */
+static int m5mols_fw_start(struct v4l2_subdev *sd)
+{
+	struct m5mols_info *info = to_m5mols(sd);
+	int ret;
+
+	atomic_set(&info->irq_done, 0);
+	/* Wait until I2C slave is initialized in Flash Writer mode */
+	ret = m5mols_busy_wait(sd, FLASH_CAM_START, REG_IN_FLASH_MODE,
+			       M5MOLS_I2C_RDY_WAIT_FL | 0xff, -1);
+	if (!ret)
+		ret = m5mols_write(sd, FLASH_CAM_START, REG_START_ARM_BOOT);
+	if (!ret)
+		ret = m5mols_wait_interrupt(sd, REG_INT_MODE, 2000);
+	if (ret < 0)
+		return ret;
+
+	info->isp_ready = 1;
+
+	ret = m5mols_get_version(sd);
+	if (!ret)
+		ret = m5mols_update_fw(sd, m5mols_sensor_power);
+	if (ret)
+		return ret;
+
+	v4l2_dbg(1, m5mols_debug, sd, "Success ARM Booting\n");
+
+	ret = m5mols_write(sd, PARM_INTERFACE, REG_INTERFACE_MIPI);
+	if (!ret)
+		ret = m5mols_enable_interrupt(sd,
+				REG_INT_AF | REG_INT_CAPTURE);
+
+	return ret;
+}
+
+/* Execute the lens soft-landing algorithm */
+static int m5mols_auto_focus_stop(struct m5mols_info *info)
+{
+	int ret;
+
+	ret = m5mols_write(&info->sd, AF_EXECUTE, REG_AF_STOP);
+	if (!ret)
+		ret = m5mols_write(&info->sd, AF_MODE, REG_AF_POWEROFF);
+	if (!ret)
+		ret = m5mols_busy_wait(&info->sd, SYSTEM_STATUS, REG_AF_IDLE,
+				       0xff, -1);
+	return ret;
+}
+
+/**
+ * m5mols_s_power - Main sensor power control function
+ *
+ * To prevent breaking the lens when the sensor is powered off the Soft-Landing
+ * algorithm is called where available. The Soft-Landing algorithm availability
+ * dependends on the firmware provider.
+ */
+static int m5mols_s_power(struct v4l2_subdev *sd, int on)
+{
+	struct m5mols_info *info = to_m5mols(sd);
+	int ret;
+
+	mutex_lock(&info->lock);
+
+	if (on) {
+		ret = m5mols_sensor_power(info, true);
+		if (!ret)
+			ret = m5mols_fw_start(sd);
+	} else {
+		if (is_manufacturer(info, REG_SAMSUNG_TECHWIN)) {
+			ret = m5mols_set_mode(info, REG_MONITOR);
+			if (!ret)
+				ret = m5mols_auto_focus_stop(info);
+			if (ret < 0)
+				v4l2_warn(sd, "Soft landing lens failed\n");
+		}
+		ret = m5mols_sensor_power(info, false);
+
+		info->ctrl_sync = 0;
+	}
+
+	mutex_unlock(&info->lock);
+	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,
+	.log_status	= m5mols_log_status,
+};
+
+/*
+ * V4L2 subdev internal operations
+ */
+static int m5mols_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+{
+	struct v4l2_mbus_framefmt *format = v4l2_subdev_get_try_format(sd, fh->pad, 0);
+
+	*format = m5mols_default_ffmt[0];
+	return 0;
+}
+
+static const struct v4l2_subdev_internal_ops m5mols_subdev_internal_ops = {
+	.open		= m5mols_open,
+};
+
+static const struct v4l2_subdev_ops m5mols_ops = {
+	.core		= &m5mols_core_ops,
+	.pad		= &m5mols_pad_ops,
+	.video		= &m5mols_video_ops,
+};
+
+static irqreturn_t m5mols_irq_handler(int irq, void *data)
+{
+	struct m5mols_info *info = to_m5mols(data);
+
+	atomic_set(&info->irq_done, 1);
+	wake_up_interruptible(&info->irq_waitq);
+
+	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;
+	unsigned long gpio_flags;
+	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_reset)) {
+		dev_err(&client->dev, "No valid RESET GPIO specified\n");
+		return -EINVAL;
+	}
+
+	if (!client->irq) {
+		dev_err(&client->dev, "Interrupt not assigned\n");
+		return -EINVAL;
+	}
+
+	info = devm_kzalloc(&client->dev, sizeof(*info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
+	info->pdata = pdata;
+	info->set_power	= pdata->set_power;
+
+	gpio_flags = pdata->reset_polarity
+		   ? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
+	ret = devm_gpio_request_one(&client->dev, pdata->gpio_reset, gpio_flags,
+				    "M5MOLS_NRST");
+	if (ret) {
+		dev_err(&client->dev, "Failed to request gpio: %d\n", ret);
+		return ret;
+	}
+
+	ret = devm_regulator_bulk_get(&client->dev, ARRAY_SIZE(supplies),
+				      supplies);
+	if (ret) {
+		dev_err(&client->dev, "Failed to get regulators: %d\n", ret);
+		return ret;
+	}
+
+	sd = &info->sd;
+	v4l2_i2c_subdev_init(sd, client, &m5mols_ops);
+	strlcpy(sd->name, MODULE_NAME, sizeof(sd->name));
+	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+
+	sd->internal_ops = &m5mols_subdev_internal_ops;
+	info->pad.flags = MEDIA_PAD_FL_SOURCE;
+	ret = media_entity_init(&sd->entity, 1, &info->pad, 0);
+	if (ret < 0)
+		return ret;
+	sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_SENSOR;
+
+	init_waitqueue_head(&info->irq_waitq);
+	mutex_init(&info->lock);
+
+	ret = devm_request_irq(&client->dev, client->irq, m5mols_irq_handler,
+			       IRQF_TRIGGER_RISING, MODULE_NAME, sd);
+	if (ret) {
+		dev_err(&client->dev, "Interrupt request failed: %d\n", ret);
+		goto error;
+	}
+	info->res_type = M5MOLS_RESTYPE_MONITOR;
+	info->ffmt[0] = m5mols_default_ffmt[0];
+	info->ffmt[1] =	m5mols_default_ffmt[1];
+
+	ret = m5mols_sensor_power(info, true);
+	if (ret)
+		goto error;
+
+	ret = m5mols_fw_start(sd);
+	if (!ret)
+		ret = m5mols_init_controls(sd);
+
+	ret = m5mols_sensor_power(info, false);
+	if (!ret)
+		return 0;
+error:
+	media_entity_cleanup(&sd->entity);
+	return ret;
+}
+
+static int m5mols_remove(struct i2c_client *client)
+{
+	struct v4l2_subdev *sd = i2c_get_clientdata(client);
+
+	v4l2_device_unregister_subdev(sd);
+	v4l2_ctrl_handler_free(sd->ctrl_handler);
+	media_entity_cleanup(&sd->entity);
+
+	return 0;
+}
+
+static const struct i2c_device_id m5mols_id[] = {
+	{ MODULE_NAME, 0 },
+	{ },
+};
+MODULE_DEVICE_TABLE(i2c, m5mols_id);
+
+static struct i2c_driver m5mols_i2c_driver = {
+	.driver = {
+		.name	= MODULE_NAME,
+	},
+	.probe		= m5mols_probe,
+	.remove		= m5mols_remove,
+	.id_table	= m5mols_id,
+};
+
+module_i2c_driver(m5mols_i2c_driver);
+
+MODULE_AUTHOR("HeungJun Kim <riverful.kim@samsung.com>");
+MODULE_AUTHOR("Dongsoo Kim <dongsoo45.kim@samsung.com>");
+MODULE_DESCRIPTION("Fujitsu M-5MOLS 8M Pixel camera driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/i2c/m5mols/m5mols_reg.h b/drivers/media/i2c/m5mols/m5mols_reg.h
new file mode 100644
index 000000000..58d802750
--- /dev/null
+++ b/drivers/media/i2c/m5mols/m5mols_reg.h
@@ -0,0 +1,363 @@
+/*
+ * 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
+
+#define M5MOLS_I2C_MAX_SIZE	4
+#define M5MOLS_BYTE_READ	0x01
+#define M5MOLS_BYTE_WRITE	0x02
+
+#define I2C_CATEGORY(__cat)		((__cat >> 16) & 0xff)
+#define I2C_COMMAND(__comm)		((__comm >> 8) & 0xff)
+#define I2C_SIZE(__reg_s)		((__reg_s) & 0xff)
+#define I2C_REG(__cat, __cmd, __reg_s)	((__cat << 16) | (__cmd << 8) | __reg_s)
+
+/*
+ * 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_FD			0x09
+#define CAT_LENS		0x0a
+#define CAT_CAPT_PARM		0x0b
+#define CAT_CAPT_CTRL		0x0c
+#define CAT_FLASH		0x0f	/* related to FW, revisions, 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 varies by
+ * packaging & manufacturer, even the customer and project code. And the
+ * function details may vary among them. The version information helps to
+ * determine what methods shall be used in the driver.
+ *
+ * There is many registers between customer version address and awb one. For
+ * more specific contents, see definition if file m5mols.h.
+ */
+#define SYSTEM_VER_CUSTOMER	I2C_REG(CAT_SYSTEM, 0x00, 1)
+#define SYSTEM_VER_PROJECT	I2C_REG(CAT_SYSTEM, 0x01, 1)
+#define SYSTEM_VER_FIRMWARE	I2C_REG(CAT_SYSTEM, 0x02, 2)
+#define SYSTEM_VER_HARDWARE	I2C_REG(CAT_SYSTEM, 0x04, 2)
+#define SYSTEM_VER_PARAMETER	I2C_REG(CAT_SYSTEM, 0x06, 2)
+#define SYSTEM_VER_AWB		I2C_REG(CAT_SYSTEM, 0x08, 2)
+
+#define SYSTEM_SYSMODE		I2C_REG(CAT_SYSTEM, 0x0b, 1)
+#define REG_SYSINIT		0x00	/* SYSTEM mode */
+#define REG_PARAMETER		0x01	/* PARAMETER mode */
+#define REG_MONITOR		0x02	/* MONITOR mode */
+#define REG_CAPTURE		0x03	/* CAPTURE mode */
+
+#define SYSTEM_CMD(__cmd)	I2C_REG(CAT_SYSTEM, cmd, 1)
+#define SYSTEM_VER_STRING	I2C_REG(CAT_SYSTEM, 0x0a, 1)
+#define REG_SAMSUNG_ELECTRO	"SE"	/* Samsung Electro-Mechanics */
+#define REG_SAMSUNG_OPTICS	"OP"	/* Samsung Fiber-Optics */
+#define REG_SAMSUNG_TECHWIN	"TB"	/* Samsung Techwin */
+/* SYSTEM mode status */
+#define SYSTEM_STATUS	I2C_REG(CAT_SYSTEM, 0x0c, 1)
+
+/* Interrupt pending register */
+#define SYSTEM_INT_FACTOR	I2C_REG(CAT_SYSTEM, 0x10, 1)
+/* interrupt enable register */
+#define SYSTEM_INT_ENABLE	I2C_REG(CAT_SYSTEM, 0x11, 1)
+#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_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.
+ */
+
+/* Resolution in the MONITOR mode */
+#define PARM_MON_SIZE		I2C_REG(CAT_PARAM, 0x01, 1)
+
+/* Frame rate */
+#define PARM_MON_FPS		I2C_REG(CAT_PARAM, 0x02, 1)
+#define REG_FPS_30		0x02
+
+/* Video bus between the sensor and a host processor */
+#define PARM_INTERFACE		I2C_REG(CAT_PARAM, 0x00, 1)
+#define REG_INTERFACE_MIPI	0x02
+
+/* Image effects */
+#define PARM_EFFECT		I2C_REG(CAT_PARAM, 0x0b, 1)
+#define REG_EFFECT_OFF		0x00
+#define REG_EFFECT_NEGA		0x01
+#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.
+ */
+
+/* Target digital zoom position */
+#define MON_ZOOM		I2C_REG(CAT_MONITOR, 0x01, 1)
+
+/* CR value for color effect */
+#define MON_CFIXR		I2C_REG(CAT_MONITOR, 0x0a, 1)
+/* CB value for color effect */
+#define MON_CFIXB		I2C_REG(CAT_MONITOR, 0x09, 1)
+#define REG_CFIXB_SEPIA		0xd8
+#define REG_CFIXR_SEPIA		0x18
+
+#define MON_EFFECT		I2C_REG(CAT_MONITOR, 0x0b, 1)
+#define REG_COLOR_EFFECT_OFF	0x00
+#define REG_COLOR_EFFECT_ON	0x01
+
+/* Chroma enable */
+#define MON_CHROMA_EN		I2C_REG(CAT_MONITOR, 0x10, 1)
+/* Chroma level */
+#define MON_CHROMA_LVL		I2C_REG(CAT_MONITOR, 0x0f, 1)
+#define REG_CHROMA_OFF		0x00
+#define REG_CHROMA_ON		0x01
+
+/* Sharpness on/off */
+#define MON_EDGE_EN		I2C_REG(CAT_MONITOR, 0x12, 1)
+/* Sharpness level */
+#define MON_EDGE_LVL		I2C_REG(CAT_MONITOR, 0x11, 1)
+#define REG_EDGE_OFF		0x00
+#define REG_EDGE_ON		0x01
+
+/* Set color tone (contrast) */
+#define MON_TONE_CTL		I2C_REG(CAT_MONITOR, 0x25, 1)
+
+/*
+ * 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.
+ */
+
+/* Auto Exposure locking */
+#define AE_LOCK			I2C_REG(CAT_AE, 0x00, 1)
+#define REG_AE_UNLOCK		0x00
+#define REG_AE_LOCK		0x01
+
+/* Auto Exposure algorithm mode */
+#define AE_MODE			I2C_REG(CAT_AE, 0x01, 1)
+#define REG_AE_OFF		0x00	/* AE off */
+#define REG_AE_ALL		0x01	/* calc AE in all block integral */
+#define REG_AE_CENTER		0x03	/* calc AE in center weighted */
+#define REG_AE_SPOT		0x06	/* calc AE in specific spot */
+
+#define AE_ISO			I2C_REG(CAT_AE, 0x05, 1)
+#define REG_ISO_AUTO		0x00
+#define REG_ISO_50		0x01
+#define REG_ISO_100		0x02
+#define REG_ISO_200		0x03
+#define REG_ISO_400		0x04
+#define REG_ISO_800		0x05
+
+/* EV (scenemode) preset for MONITOR */
+#define AE_EV_PRESET_MONITOR	I2C_REG(CAT_AE, 0x0a, 1)
+/* EV (scenemode) preset for CAPTURE */
+#define AE_EV_PRESET_CAPTURE	I2C_REG(CAT_AE, 0x0b, 1)
+#define REG_SCENE_NORMAL	0x00
+#define REG_SCENE_PORTRAIT	0x01
+#define REG_SCENE_LANDSCAPE	0x02
+#define REG_SCENE_SPORTS	0x03
+#define REG_SCENE_PARTY_INDOOR	0x04
+#define REG_SCENE_BEACH_SNOW	0x05
+#define REG_SCENE_SUNSET	0x06
+#define REG_SCENE_DAWN_DUSK	0x07
+#define REG_SCENE_FALL		0x08
+#define REG_SCENE_NIGHT		0x09
+#define REG_SCENE_AGAINST_LIGHT	0x0a
+#define REG_SCENE_FIRE		0x0b
+#define REG_SCENE_TEXT		0x0c
+#define REG_SCENE_CANDLE	0x0d
+
+/* Manual gain in MONITOR mode */
+#define AE_MAN_GAIN_MON		I2C_REG(CAT_AE, 0x12, 2)
+/* Maximum gain in MONITOR mode */
+#define AE_MAX_GAIN_MON		I2C_REG(CAT_AE, 0x1a, 2)
+/* Manual gain in CAPTURE mode */
+#define AE_MAN_GAIN_CAP		I2C_REG(CAT_AE, 0x26, 2)
+
+#define AE_INDEX		I2C_REG(CAT_AE, 0x38, 1)
+#define REG_AE_INDEX_20_NEG	0x00
+#define REG_AE_INDEX_15_NEG	0x01
+#define REG_AE_INDEX_10_NEG	0x02
+#define REG_AE_INDEX_05_NEG	0x03
+#define REG_AE_INDEX_00		0x04
+#define REG_AE_INDEX_05_POS	0x05
+#define REG_AE_INDEX_10_POS	0x06
+#define REG_AE_INDEX_15_POS	0x07
+#define REG_AE_INDEX_20_POS	0x08
+
+/*
+ * Category 6 - White Balance
+ */
+
+/* Auto Whitebalance locking */
+#define AWB_LOCK		I2C_REG(CAT_WB, 0x00, 1)
+#define REG_AWB_UNLOCK		0x00
+#define REG_AWB_LOCK		0x01
+
+#define AWB_MODE		I2C_REG(CAT_WB, 0x02, 1)
+#define REG_AWB_AUTO		0x01	/* AWB off */
+#define REG_AWB_PRESET		0x02	/* AWB preset */
+
+/* Manual WB (preset) */
+#define AWB_MANUAL		I2C_REG(CAT_WB, 0x03, 1)
+#define REG_AWB_INCANDESCENT	0x01
+#define REG_AWB_FLUORESCENT_1	0x02
+#define REG_AWB_FLUORESCENT_2	0x03
+#define REG_AWB_DAYLIGHT	0x04
+#define REG_AWB_CLOUDY		0x05
+#define REG_AWB_SHADE		0x06
+#define REG_AWB_HORIZON		0x07
+#define REG_AWB_LEDLIGHT	0x09
+
+/*
+ * Category 7 - EXIF information
+ */
+#define EXIF_INFO_EXPTIME_NU	I2C_REG(CAT_EXIF, 0x00, 4)
+#define EXIF_INFO_EXPTIME_DE	I2C_REG(CAT_EXIF, 0x04, 4)
+#define EXIF_INFO_TV_NU		I2C_REG(CAT_EXIF, 0x08, 4)
+#define EXIF_INFO_TV_DE		I2C_REG(CAT_EXIF, 0x0c, 4)
+#define EXIF_INFO_AV_NU		I2C_REG(CAT_EXIF, 0x10, 4)
+#define EXIF_INFO_AV_DE		I2C_REG(CAT_EXIF, 0x14, 4)
+#define EXIF_INFO_BV_NU		I2C_REG(CAT_EXIF, 0x18, 4)
+#define EXIF_INFO_BV_DE		I2C_REG(CAT_EXIF, 0x1c, 4)
+#define EXIF_INFO_EBV_NU	I2C_REG(CAT_EXIF, 0x20, 4)
+#define EXIF_INFO_EBV_DE	I2C_REG(CAT_EXIF, 0x24, 4)
+#define EXIF_INFO_ISO		I2C_REG(CAT_EXIF, 0x28, 2)
+#define EXIF_INFO_FLASH		I2C_REG(CAT_EXIF, 0x2a, 2)
+#define EXIF_INFO_SDR		I2C_REG(CAT_EXIF, 0x2c, 2)
+#define EXIF_INFO_QVAL		I2C_REG(CAT_EXIF, 0x2e, 2)
+
+/*
+ * Category 9 - Face Detection
+ */
+#define FD_CTL			I2C_REG(CAT_FD, 0x00, 1)
+#define BIT_FD_EN		0
+#define BIT_FD_DRAW_FACE_FRAME	4
+#define BIT_FD_DRAW_SMILE_LVL	6
+#define REG_FD(shift)		(1 << shift)
+#define REG_FD_OFF		0x0
+
+/*
+ * Category A - Lens Parameter
+ */
+#define AF_MODE			I2C_REG(CAT_LENS, 0x01, 1)
+#define REG_AF_NORMAL		0x00	/* Normal AF, one time */
+#define REG_AF_MACRO		0x01	/* Macro AF, one time */
+#define REG_AF_POWEROFF		0x07
+
+#define AF_EXECUTE		I2C_REG(CAT_LENS, 0x02, 1)
+#define REG_AF_STOP		0x00
+#define REG_AF_EXE_AUTO		0x01
+#define REG_AF_EXE_CAF		0x02
+
+#define AF_STATUS		I2C_REG(CAT_LENS, 0x03, 1)
+#define REG_AF_FAIL		0x00
+#define REG_AF_SUCCESS		0x02
+#define REG_AF_IDLE		0x04
+#define REG_AF_BUSY		0x05
+
+#define AF_VERSION		I2C_REG(CAT_LENS, 0x0a, 1)
+
+/*
+ * Category B - CAPTURE Parameter
+ */
+#define CAPP_YUVOUT_MAIN	I2C_REG(CAT_CAPT_PARM, 0x00, 1)
+#define REG_YUV422		0x00
+#define REG_BAYER10		0x05
+#define REG_BAYER8		0x06
+#define REG_JPEG		0x10
+
+#define CAPP_MAIN_IMAGE_SIZE	I2C_REG(CAT_CAPT_PARM, 0x01, 1)
+#define CAPP_JPEG_SIZE_MAX	I2C_REG(CAT_CAPT_PARM, 0x0f, 4)
+#define CAPP_JPEG_RATIO		I2C_REG(CAT_CAPT_PARM, 0x17, 1)
+
+#define CAPP_MCC_MODE		I2C_REG(CAT_CAPT_PARM, 0x1d, 1)
+#define REG_MCC_OFF		0x00
+#define REG_MCC_NORMAL		0x01
+
+#define CAPP_WDR_EN		I2C_REG(CAT_CAPT_PARM, 0x2c, 1)
+#define REG_WDR_OFF		0x00
+#define REG_WDR_ON		0x01
+#define REG_WDR_AUTO		0x02
+
+#define CAPP_LIGHT_CTRL		I2C_REG(CAT_CAPT_PARM, 0x40, 1)
+#define REG_LIGHT_OFF		0x00
+#define REG_LIGHT_ON		0x01
+#define REG_LIGHT_AUTO		0x02
+
+#define CAPP_FLASH_CTRL		I2C_REG(CAT_CAPT_PARM, 0x41, 1)
+#define REG_FLASH_OFF		0x00
+#define REG_FLASH_ON		0x01
+#define REG_FLASH_AUTO		0x02
+
+/*
+ * Category C - CAPTURE Control
+ */
+#define CAPC_MODE		I2C_REG(CAT_CAPT_CTRL, 0x00, 1)
+#define REG_CAP_NONE		0x00
+#define REG_CAP_ANTI_SHAKE	0x02
+
+/* Select single- or multi-shot capture */
+#define CAPC_SEL_FRAME		I2C_REG(CAT_CAPT_CTRL, 0x06, 1)
+
+#define CAPC_START		I2C_REG(CAT_CAPT_CTRL, 0x09, 1)
+#define REG_CAP_START_MAIN	0x01
+#define REG_CAP_START_THUMB	0x03
+
+#define CAPC_IMAGE_SIZE		I2C_REG(CAT_CAPT_CTRL, 0x0d, 4)
+#define CAPC_THUMB_SIZE		I2C_REG(CAT_CAPT_CTRL, 0x11, 4)
+
+/*
+ * Category F - Flash
+ *
+ * This mode provides functions about internal flash stuff and system startup.
+ */
+
+/* Starts internal ARM core booting after power-up */
+#define FLASH_CAM_START		I2C_REG(CAT_FLASH, 0x12, 1)
+#define REG_START_ARM_BOOT	0x01	/* write value */
+#define REG_IN_FLASH_MODE	0x00	/* read value */
+
+#endif	/* M5MOLS_REG_H */