[media] Add support for M-5MOLS 8 Mega Pixel camera ISP
HeungJun, Kim [Fri, 20 May 2011 05:27:28 +0000 (02:27 -0300)]
Add I2C/V4L2 subdev driver for M-5MOLS integrated image signal processor
with 8 Mega Pixel sensor.

Signed-off-by: HeungJun, Kim <riverful.kim@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/Kconfig
drivers/media/video/Makefile
drivers/media/video/m5mols/Kconfig [new file with mode: 0644]
drivers/media/video/m5mols/Makefile [new file with mode: 0644]
drivers/media/video/m5mols/m5mols.h [new file with mode: 0644]
drivers/media/video/m5mols/m5mols_capture.c [new file with mode: 0644]
drivers/media/video/m5mols/m5mols_controls.c [new file with mode: 0644]
drivers/media/video/m5mols/m5mols_core.c [new file with mode: 0644]
drivers/media/video/m5mols/m5mols_reg.h [new file with mode: 0644]
include/media/m5mols.h [new file with mode: 0644]

index 3be180b..47bfd32 100644 (file)
@@ -757,6 +757,8 @@ config VIDEO_NOON010PC30
        ---help---
          This driver supports NOON010PC30 CIF camera from Siliconfile
 
+source "drivers/media/video/m5mols/Kconfig"
+
 config VIDEO_OMAP3
        tristate "OMAP 3 Camera support (EXPERIMENTAL)"
        select OMAP_IOMMU
index 9519160..f0fecd6 100644 (file)
@@ -69,6 +69,7 @@ obj-$(CONFIG_VIDEO_MT9V011) += mt9v011.o
 obj-$(CONFIG_VIDEO_MT9V032) += mt9v032.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
diff --git a/drivers/media/video/m5mols/Kconfig b/drivers/media/video/m5mols/Kconfig
new file mode 100644 (file)
index 0000000..302dc3d
--- /dev/null
@@ -0,0 +1,5 @@
+config VIDEO_M5MOLS
+       tristate "Fujitsu M-5MOLS 8MP sensor support"
+       depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
+       ---help---
+         This driver supports Fujitsu M-5MOLS camera sensor with ISP
diff --git a/drivers/media/video/m5mols/Makefile b/drivers/media/video/m5mols/Makefile
new file mode 100644 (file)
index 0000000..0a44e02
--- /dev/null
@@ -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/video/m5mols/m5mols.h b/drivers/media/video/m5mols/m5mols.h
new file mode 100644 (file)
index 0000000..10b55c8
--- /dev/null
@@ -0,0 +1,296 @@
+/*
+ * Header for M-5MOLS 8M Pixel camera sensor with ISP
+ *
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd.
+ * Author: HeungJun Kim, riverful.kim@samsung.com
+ *
+ * Copyright (C) 2009 Samsung Electronics Co., Ltd.
+ * Author: Dongsoo Nathaniel Kim, dongsoo45.kim@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef M5MOLS_H
+#define M5MOLS_H
+
+#include <media/v4l2-subdev.h>
+#include "m5mols_reg.h"
+
+extern int m5mols_debug;
+
+#define to_m5mols(__sd)        container_of(__sd, struct m5mols_info, sd)
+
+#define to_sd(__ctrl) \
+       (&container_of(__ctrl->handler, struct m5mols_info, handle)->sd)
+
+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
+ * @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;
+       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 {
+       u32 metering;
+       u32 ev_bias;
+       u32 wb_mode;
+       u32 wb_preset;
+       u32 chroma_en;
+       u32 chroma_lvl;
+       u32 edge_en;
+       u32 edge_lvl;
+       u32 af_range;
+       u32 fd_mode;
+       u32 mcc;
+       u32 light;
+       u32 flash;
+       u32 tone;
+       u32 iso;
+       u32 capt_mode;
+       u32 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;
+};
+#define VERSION_SIZE sizeof(struct m5mols_version)
+
+/**
+ * struct m5mols_info - M-5MOLS driver data structure
+ * @pdata: platform data
+ * @sd: v4l-subdev instance
+ * @pad: media pad
+ * @ffmt: current fmt according to resolution type
+ * @res_type: current resolution type
+ * @code: current code
+ * @irq_waitq: waitqueue for the capture
+ * @work_irq: workqueue for the IRQ
+ * @flags: state variable for the interrupt handler
+ * @handle: control handler
+ * @autoexposure: Auto Exposure control
+ * @exposure: Exposure control
+ * @autowb: Auto White Balance control
+ * @colorfx: Color effect control
+ * @saturation:        Saturation control
+ * @zoom: Zoom control
+ * @ver: information of the version
+ * @cap: the capture mode attributes
+ * @power: current sensor's power status
+ * @ctrl_sync: true means all controls of the sensor are initialized
+ * @int_capture: true means the capture interrupt is issued once
+ * @lock_ae: true means the Auto Exposure is locked
+ * @lock_awb: true means the Aut WhiteBalance is locked
+ * @resolution:        register value for current resolution
+ * @interrupt: register value for current interrupt status
+ * @mode: register value for current operation mode
+ * @mode_save: register value for current operation mode for saving
+ * @set_power: optional power callback to the board code
+ */
+struct m5mols_info {
+       const struct m5mols_platform_data *pdata;
+       struct v4l2_subdev sd;
+       struct media_pad pad;
+       struct v4l2_mbus_framefmt ffmt[M5MOLS_RESTYPE_MAX];
+       int res_type;
+       enum v4l2_mbus_pixelcode code;
+       wait_queue_head_t irq_waitq;
+       struct work_struct work_irq;
+       unsigned long flags;
+
+       struct v4l2_ctrl_handler handle;
+       /* Autoexposure/exposure control cluster */
+       struct {
+               struct v4l2_ctrl *autoexposure;
+               struct v4l2_ctrl *exposure;
+       };
+       struct v4l2_ctrl *autowb;
+       struct v4l2_ctrl *colorfx;
+       struct v4l2_ctrl *saturation;
+       struct v4l2_ctrl *zoom;
+
+       struct m5mols_version ver;
+       struct m5mols_capture cap;
+       bool power;
+       bool ctrl_sync;
+       bool lock_ae;
+       bool lock_awb;
+       u8 resolution;
+       u32 interrupt;
+       u32 mode;
+       u32 mode_save;
+       int (*set_power)(struct device *dev, int on);
+};
+
+#define ST_CAPT_IRQ 0
+
+#define is_powered(__info) (__info->power)
+#define is_ctrl_synced(__info) (__info->ctrl_sync)
+#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(struct v4l2_subdev *sd, u32 reg_comb, u32 *val);
+int m5mols_write(struct v4l2_subdev *sd, u32 reg_comb, u32 val);
+int m5mols_busy(struct v4l2_subdev *sd, u8 category, u8 cmd, u32 value);
+
+/*
+ * 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_mode(struct m5mols_info *info, u32 mode);
+
+int m5mols_enable_interrupt(struct v4l2_subdev *sd, u32 reg);
+int m5mols_sync_controls(struct m5mols_info *info);
+int m5mols_start_capture(struct m5mols_info *info);
+int m5mols_do_scenemode(struct m5mols_info *info, u32 mode);
+int m5mols_lock_3a(struct m5mols_info *info, bool lock);
+int m5mols_set_ctrl(struct v4l2_ctrl *ctrl);
+
+/* The firmware function */
+int m5mols_update_fw(struct v4l2_subdev *sd,
+                    int (*set_power)(struct m5mols_info *, bool));
+
+#endif /* M5MOLS_H */
diff --git a/drivers/media/video/m5mols/m5mols_capture.c b/drivers/media/video/m5mols/m5mols_capture.c
new file mode 100644 (file)
index 0000000..d71a390
--- /dev/null
@@ -0,0 +1,191 @@
+/*
+ * 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/version.h>
+#include <linux/gpio.h>
+#include <linux/regulator/consumer.h>
+#include <linux/videodev2.h>
+#include <linux/version.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"
+
+static int m5mols_capture_error_handler(struct m5mols_info *info,
+                                       int timeout)
+{
+       int ret;
+
+       /* Disable all interrupts and clear relevant interrupt staus bits */
+       ret = m5mols_write(&info->sd, SYSTEM_INT_ENABLE,
+                          info->interrupt & ~(REG_INT_CAPTURE));
+       if (ret)
+               return ret;
+
+       if (timeout == 0)
+               return -ETIMEDOUT;
+
+       return 0;
+}
+/**
+ * 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(sd, addr_num, &num);
+       if (!ret)
+               ret = m5mols_read(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(sd, EXIF_INFO_ISO, (u32 *)&exif->iso_speed);
+       if (!ret)
+               ret = m5mols_read(sd, EXIF_INFO_FLASH, (u32 *)&exif->flash);
+       if (!ret)
+               ret = m5mols_read(sd, EXIF_INFO_SDR, (u32 *)&exif->sdr);
+       if (!ret)
+               ret = m5mols_read(sd, EXIF_INFO_QVAL, (u32 *)&exif->qval);
+       if (ret)
+               return ret;
+
+       if (!ret)
+               ret = m5mols_read(sd, CAPC_IMAGE_SIZE, &info->cap.main);
+       if (!ret)
+               ret = m5mols_read(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)
+{
+       struct v4l2_subdev *sd = &info->sd;
+       u32 resolution = info->resolution;
+       int timeout;
+       int ret;
+
+       /*
+        * Preparing capture. Setting control & interrupt before entering
+        * capture mode
+        *
+        * 1) change to MONITOR mode for operating control & interrupt
+        * 2) set controls (considering v4l2_control value & lock 3A)
+        * 3) set interrupt
+        * 4) change to CAPTURE mode
+        */
+       ret = m5mols_mode(info, REG_MONITOR);
+       if (!ret)
+               ret = m5mols_sync_controls(info);
+       if (!ret)
+               ret = m5mols_lock_3a(info, true);
+       if (!ret)
+               ret = m5mols_enable_interrupt(sd, REG_INT_CAPTURE);
+       if (!ret)
+               ret = m5mols_mode(info, REG_CAPTURE);
+       if (!ret) {
+               /* Wait for capture interrupt, after changing capture mode */
+               timeout = wait_event_interruptible_timeout(info->irq_waitq,
+                                          test_bit(ST_CAPT_IRQ, &info->flags),
+                                          msecs_to_jiffies(2000));
+               if (test_and_clear_bit(ST_CAPT_IRQ, &info->flags))
+                       ret = m5mols_capture_error_handler(info, timeout);
+       }
+       if (!ret)
+               ret = m5mols_lock_3a(info, false);
+       if (ret)
+               return ret;
+       /*
+        * Starting capture. Setting capture frame count and resolution and
+        * the format(available format: JPEG, Bayer RAW, YUV).
+        *
+        * 1) select single or multi(enable to 25), format, size
+        * 2) set interrupt
+        * 3) start capture(for main image, now)
+        * 4) get information
+        * 5) notify file size to v4l2 device(e.g, to s5p-fimc v4l2 device)
+        */
+       ret = m5mols_write(sd, CAPC_SEL_FRAME, 1);
+       if (!ret)
+               ret = m5mols_write(sd, CAPP_YUVOUT_MAIN, REG_JPEG);
+       if (!ret)
+               ret = m5mols_write(sd, CAPP_MAIN_IMAGE_SIZE, resolution);
+       if (!ret)
+               ret = m5mols_enable_interrupt(sd, REG_INT_CAPTURE);
+       if (!ret)
+               ret = m5mols_write(sd, CAPC_START, REG_CAP_START_MAIN);
+       if (!ret) {
+               /* Wait for the capture completion interrupt */
+               timeout = wait_event_interruptible_timeout(info->irq_waitq,
+                                          test_bit(ST_CAPT_IRQ, &info->flags),
+                                          msecs_to_jiffies(2000));
+               if (test_and_clear_bit(ST_CAPT_IRQ, &info->flags)) {
+                       ret = m5mols_capture_info(info);
+                       if (!ret)
+                               v4l2_subdev_notify(sd, 0, &info->cap.total);
+               }
+       }
+
+       return m5mols_capture_error_handler(info, timeout);
+}
diff --git a/drivers/media/video/m5mols/m5mols_controls.c b/drivers/media/video/m5mols/m5mols_controls.c
new file mode 100644 (file)
index 0000000..817c16f
--- /dev/null
@@ -0,0 +1,299 @@
+/*
+ * 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, u32 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 = m5mols_lock_3a(info, false);
+       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_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_mode(info, REG_MONITOR);
+
+       return ret;
+}
+
+static int m5mols_lock_ae(struct m5mols_info *info, bool lock)
+{
+       int ret = 0;
+
+       if (info->lock_ae != lock)
+               ret = m5mols_write(&info->sd, AE_LOCK,
+                               lock ? REG_AE_LOCK : REG_AE_UNLOCK);
+       if (!ret)
+               info->lock_ae = lock;
+
+       return ret;
+}
+
+static int m5mols_lock_awb(struct m5mols_info *info, bool lock)
+{
+       int ret = 0;
+
+       if (info->lock_awb != lock)
+               ret = m5mols_write(&info->sd, AWB_LOCK,
+                               lock ? REG_AWB_LOCK : REG_AWB_UNLOCK);
+       if (!ret)
+               info->lock_awb = lock;
+
+       return ret;
+}
+
+/* m5mols_lock_3a() - Lock 3A(Auto Exposure, Auto Whitebalance, Auto Focus) */
+int m5mols_lock_3a(struct m5mols_info *info, bool lock)
+{
+       int ret;
+
+       ret = m5mols_lock_ae(info, lock);
+       if (!ret)
+               ret = m5mols_lock_awb(info, lock);
+       /* Don't need to handle unlocking AF */
+       if (!ret && is_available_af(info) && lock)
+               ret = m5mols_write(&info->sd, AF_EXECUTE, REG_AF_STOP);
+
+       return ret;
+}
+
+/* m5mols_set_ctrl() - The main s_ctrl function called by m5mols_set_ctrl() */
+int m5mols_set_ctrl(struct v4l2_ctrl *ctrl)
+{
+       struct v4l2_subdev *sd = to_sd(ctrl);
+       struct m5mols_info *info = to_m5mols(sd);
+       int ret;
+
+       switch (ctrl->id) {
+       case V4L2_CID_ZOOM_ABSOLUTE:
+               return m5mols_write(sd, MON_ZOOM, ctrl->val);
+
+       case V4L2_CID_EXPOSURE_AUTO:
+               ret = m5mols_lock_ae(info,
+                       ctrl->val == V4L2_EXPOSURE_AUTO ? false : true);
+               if (!ret && ctrl->val == V4L2_EXPOSURE_AUTO)
+                       ret = m5mols_write(sd, AE_MODE, REG_AE_ALL);
+               if (!ret && ctrl->val == V4L2_EXPOSURE_MANUAL) {
+                       int val = info->exposure->val;
+                       ret = m5mols_write(sd, AE_MODE, REG_AE_OFF);
+                       if (!ret)
+                               ret = m5mols_write(sd, AE_MAN_GAIN_MON, val);
+                       if (!ret)
+                               ret = m5mols_write(sd, AE_MAN_GAIN_CAP, val);
+               }
+               return ret;
+
+       case V4L2_CID_AUTO_WHITE_BALANCE:
+               ret = m5mols_lock_awb(info, ctrl->val ? false : true);
+               if (!ret)
+                       ret = m5mols_write(sd, AWB_MODE, ctrl->val ?
+                               REG_AWB_AUTO : REG_AWB_PRESET);
+               return ret;
+
+       case V4L2_CID_SATURATION:
+               ret = m5mols_write(sd, MON_CHROMA_LVL, ctrl->val);
+               if (!ret)
+                       ret = m5mols_write(sd, MON_CHROMA_EN, REG_CHROMA_ON);
+               return ret;
+
+       case V4L2_CID_COLORFX:
+               /*
+                * This control uses two kinds of registers: normal & color.
+                * The normal effect belongs to category 1, while the color
+                * one belongs to category 2.
+                *
+                * The normal effect uses one register: CAT1_EFFECT.
+                * The color effect uses three registers:
+                * CAT2_COLOR_EFFECT, CAT2_CFIXR, CAT2_CFIXB.
+                */
+               ret = m5mols_write(sd, PARM_EFFECT,
+                       ctrl->val == V4L2_COLORFX_NEGATIVE ? REG_EFFECT_NEGA :
+                       ctrl->val == V4L2_COLORFX_EMBOSS ? REG_EFFECT_EMBOSS :
+                       REG_EFFECT_OFF);
+               if (!ret)
+                       ret = m5mols_write(sd, MON_EFFECT,
+                               ctrl->val == V4L2_COLORFX_SEPIA ?
+                               REG_COLOR_EFFECT_ON : REG_COLOR_EFFECT_OFF);
+               if (!ret)
+                       ret = m5mols_write(sd, MON_CFIXR,
+                               ctrl->val == V4L2_COLORFX_SEPIA ?
+                               REG_CFIXR_SEPIA : 0);
+               if (!ret)
+                       ret = m5mols_write(sd, MON_CFIXB,
+                               ctrl->val == V4L2_COLORFX_SEPIA ?
+                               REG_CFIXB_SEPIA : 0);
+               return ret;
+       }
+
+       return -EINVAL;
+}
diff --git a/drivers/media/video/m5mols/m5mols_core.c b/drivers/media/video/m5mols/m5mols_core.c
new file mode 100644 (file)
index 0000000..76eac26
--- /dev/null
@@ -0,0 +1,1004 @@
+/*
+ * Driver for M-5MOLS 8M Pixel camera sensor with ISP
+ *
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd.
+ * Author: HeungJun Kim, riverful.kim@samsung.com
+ *
+ * Copyright (C) 2009 Samsung Electronics Co., Ltd.
+ * Author: Dongsoo Nathaniel Kim, dongsoo45.kim@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/version.h>
+#include <linux/gpio.h>
+#include <linux/regulator/consumer.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-subdev.h>
+#include <media/m5mols.h>
+
+#include "m5mols.h"
+#include "m5mols_reg.h"
+
+int m5mols_debug;
+module_param(m5mols_debug, int, 0644);
+
+#define 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           = V4L2_MBUS_FMT_VYUY8_2X8,
+               .field          = V4L2_FIELD_NONE,
+               .colorspace     = V4L2_COLORSPACE_JPEG,
+       },
+       [M5MOLS_RESTYPE_CAPTURE] = {
+               .width          = 1920,
+               .height         = 1080,
+               .code           = V4L2_MBUS_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(*((u16 *)data));
+       else
+               return be32_to_cpu(*((u32 *)data));
+}
+
+/**
+ * m5mols_read -  I2C read function
+ * @reg: combination of size, category and command for the I2C packet
+ * @val: read value
+ */
+int m5mols_read(struct v4l2_subdev *sd, u32 reg, u32 *val)
+{
+       struct i2c_client *client = v4l2_get_subdevdata(sd);
+       u8 rbuf[M5MOLS_I2C_MAX_SIZE + 1];
+       u8 size = I2C_SIZE(reg);
+       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;
+
+       if (size != 1 && size != 2 && size != 4) {
+               v4l2_err(sd, "Wrong data size\n");
+               return -EINVAL;
+       }
+
+       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 < 0) {
+               v4l2_err(sd, "read failed: size:%d cat:%02x cmd:%02x. %d\n",
+                        size, category, cmd, ret);
+               return ret;
+       }
+
+       *val = m5mols_swap_byte(&rbuf[1], size);
+
+       return 0;
+}
+
+/**
+ * m5mols_write - I2C command write function
+ * @reg: combination of size, category and command for the I2C packet
+ * @val: value to write
+ */
+int m5mols_write(struct v4l2_subdev *sd, u32 reg, u32 val)
+{
+       struct i2c_client *client = v4l2_get_subdevdata(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 < 0) {
+               v4l2_err(sd, "write failed: size:%d cat:%02x cmd:%02x. %d\n",
+                       size, category, cmd, ret);
+               return ret;
+       }
+
+       return 0;
+}
+
+int m5mols_busy(struct v4l2_subdev *sd, u8 category, u8 cmd, u32 mask)
+{
+       u32 busy, i;
+       int ret;
+
+       for (i = 0; i < M5MOLS_I2C_CHECK_RETRY; i++) {
+               ret = m5mols_read(sd, I2C_REG(category, cmd, 1), &busy);
+               if (ret < 0)
+                       return ret;
+               if ((busy & mask) == mask)
+                       return 0;
+       }
+       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, u32 reg)
+{
+       struct m5mols_info *info = to_m5mols(sd);
+       u32 mask = is_available_af(info) ? REG_INT_AF : 0;
+       u32 dummy;
+       int ret;
+
+       ret = m5mols_read(sd, SYSTEM_INT_FACTOR, &dummy);
+       if (!ret)
+               ret = m5mols_write(sd, SYSTEM_INT_ENABLE, reg & ~mask);
+       return ret;
+}
+
+/**
+ * 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, u32 mode)
+{
+       int ret = m5mols_write(sd, SYSTEM_SYSMODE, mode);
+
+       return ret ? ret : m5mols_busy(sd, CAT_SYSTEM, CAT0_SYSMODE, mode);
+}
+
+/**
+ * m5mols_mode - manage the M-5MOLS's 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 which
+ * a command belongs to.
+ */
+int m5mols_mode(struct m5mols_info *info, u32 mode)
+{
+       struct v4l2_subdev *sd = &info->sd;
+       int ret = -EINVAL;
+       u32 reg;
+
+       if (mode < REG_PARAMETER && mode > REG_CAPTURE)
+               return ret;
+
+       ret = m5mols_read(sd, SYSTEM_SYSMODE, &reg);
+       if ((!ret && reg == mode) || ret)
+               return ret;
+
+       switch (reg) {
+       case REG_PARAMETER:
+               ret = m5mols_reg_mode(sd, REG_MONITOR);
+               if (!ret && 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 (!ret && 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);
+       union {
+               struct m5mols_version ver;
+               u8 bytes[VERSION_SIZE];
+       } version;
+       u32 *value;
+       u8 cmd = CAT0_VER_CUSTOMER;
+       int ret;
+
+       do {
+               value = (u32 *)&version.bytes[cmd];
+               ret = m5mols_read(sd, SYSTEM_CMD(cmd), value);
+               if (ret)
+                       return ret;
+       } while (cmd++ != CAT0_VER_AWB);
+
+       do {
+               value = (u32 *)&version.bytes[cmd];
+               ret = m5mols_read(sd, SYSTEM_VER_STRING, value);
+               if (ret)
+                       return ret;
+               if (cmd >= VERSION_SIZE - 1)
+                       return -EINVAL;
+       } while (version.bytes[cmd++]);
+
+       value = (u32 *)&version.bytes[cmd];
+       ret = m5mols_read(sd, AF_VERSION, value);
+       if (ret)
+               return ret;
+
+       /* store version information swapped for being readable */
+       info->ver       = version.ver;
+       info->ver.fw    = be16_to_cpu(info->ver.fw);
+       info->ver.hw    = be16_to_cpu(info->ver.hw);
+       info->ver.param = be16_to_cpu(info->ver.param);
+       info->ver.awb   = be16_to_cpu(info->ver.awb);
+
+       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(enum v4l2_mbus_pixelcode 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_fh *fh,
+                               enum v4l2_subdev_format_whence which,
+                               enum m5mols_restype type)
+{
+       if (which == V4L2_SUBDEV_FORMAT_TRY)
+               return fh ? v4l2_subdev_get_try_format(fh, 0) : NULL;
+
+       return &info->ffmt[type];
+}
+
+static int m5mols_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
+                         struct v4l2_subdev_format *fmt)
+{
+       struct m5mols_info *info = to_m5mols(sd);
+       struct v4l2_mbus_framefmt *format;
+
+       if (fmt->pad != 0)
+               return -EINVAL;
+
+       format = __find_format(info, fh, fmt->which, info->res_type);
+       if (!format)
+               return -EINVAL;
+
+       fmt->format = *format;
+       return 0;
+}
+
+static int m5mols_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
+                         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;
+
+       if (fmt->pad != 0)
+               return -EINVAL;
+
+       ret = __find_resolution(sd, format, &type, &resolution);
+       if (ret < 0)
+               return ret;
+
+       sfmt = __find_format(info, fh, fmt->which, type);
+       if (!sfmt)
+               return 0;
+
+       *sfmt           = m5mols_default_ffmt[type];
+       sfmt->width     = format->width;
+       sfmt->height    = format->height;
+
+       if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
+               info->resolution = resolution;
+               info->code = format->code;
+               info->res_type = type;
+       }
+
+       return 0;
+}
+
+static int m5mols_enum_mbus_code(struct v4l2_subdev *sd,
+                                struct v4l2_subdev_fh *fh,
+                                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,
+};
+
+/**
+ * m5mols_sync_controls - Apply default scene mode and the current controls
+ *
+ * This is used only streaming for syncing between v4l2_ctrl framework and
+ * m5mols's controls. First, do the scenemode to the sensor, then call
+ * v4l2_ctrl_handler_setup. It can be same between some commands and
+ * the scenemode's in the default v4l2_ctrls. But, such commands of control
+ * should be prior to the scenemode's one.
+ */
+int m5mols_sync_controls(struct m5mols_info *info)
+{
+       int ret = -EINVAL;
+
+       if (!is_ctrl_synced(info)) {
+               ret = m5mols_do_scenemode(info, REG_SCENE_NORMAL);
+               if (ret)
+                       return ret;
+
+               v4l2_ctrl_handler_setup(&info->handle);
+               info->ctrl_sync = true;
+       }
+
+       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_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_mode(info, REG_MONITOR);
+       if (!ret)
+               ret = m5mols_sync_controls(info);
+
+       return ret;
+}
+
+static int m5mols_s_stream(struct v4l2_subdev *sd, int enable)
+{
+       struct m5mols_info *info = to_m5mols(sd);
+
+       if (enable) {
+               int ret = -EINVAL;
+
+               if (is_code(info->code, M5MOLS_RESTYPE_MONITOR))
+                       ret = m5mols_start_monitor(info);
+               if (is_code(info->code, M5MOLS_RESTYPE_CAPTURE))
+                       ret = m5mols_start_capture(info);
+
+               return ret;
+       }
+
+       return m5mols_mode(info, REG_PARAMETER);
+}
+
+static const struct v4l2_subdev_video_ops m5mols_video_ops = {
+       .s_stream       = m5mols_s_stream,
+};
+
+static int m5mols_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+       struct v4l2_subdev *sd = to_sd(ctrl);
+       struct m5mols_info *info = to_m5mols(sd);
+       int ret;
+
+       info->mode_save = info->mode;
+
+       ret = m5mols_mode(info, REG_PARAMETER);
+       if (!ret)
+               ret = m5mols_set_ctrl(ctrl);
+       if (!ret)
+               ret = m5mols_mode(info, info->mode_save);
+
+       return ret;
+}
+
+static const struct v4l2_ctrl_ops m5mols_ctrl_ops = {
+       .s_ctrl = m5mols_s_ctrl,
+};
+
+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 (enable) {
+               if (is_powered(info))
+                       return 0;
+
+               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);
+               usleep_range(1000, 1000);
+               info->power = true;
+
+               return ret;
+       }
+
+       if (!is_powered(info))
+               return 0;
+
+       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);
+       usleep_range(1000, 1000);
+       info->power = false;
+
+       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_sensor_armboot - Booting M-5MOLS internal ARM core.
+ *
+ * Booting internal ARM core makes the M-5MOLS is ready for getting commands
+ * with I2C. It's the first thing to be done after it powered up. It must wait
+ * at least 520ms recommended by M-5MOLS datasheet, after executing arm booting.
+ */
+static int m5mols_sensor_armboot(struct v4l2_subdev *sd)
+{
+       int ret;
+
+       ret = m5mols_write(sd, FLASH_CAM_START, REG_START_ARM_BOOT);
+       if (ret < 0)
+               return ret;
+
+       msleep(520);
+
+       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);
+
+       return ret;
+}
+
+static int m5mols_init_controls(struct m5mols_info *info)
+{
+       struct v4l2_subdev *sd = &info->sd;
+       u16 max_exposure;
+       u16 step_zoom;
+       int ret;
+
+       /* Determine value's range & step of controls for various FW version */
+       ret = m5mols_read(sd, AE_MAX_GAIN_MON, (u32 *)&max_exposure);
+       if (!ret)
+               step_zoom = is_manufacturer(info, REG_SAMSUNG_OPTICS) ? 31 : 1;
+       if (ret)
+               return ret;
+
+       v4l2_ctrl_handler_init(&info->handle, 6);
+       info->autowb = v4l2_ctrl_new_std(&info->handle,
+                       &m5mols_ctrl_ops, V4L2_CID_AUTO_WHITE_BALANCE,
+                       0, 1, 1, 0);
+       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, step_zoom, 1);
+       info->exposure = v4l2_ctrl_new_std(&info->handle,
+                       &m5mols_ctrl_ops, V4L2_CID_EXPOSURE,
+                       0, max_exposure, 1, (int)max_exposure/2);
+       info->colorfx = v4l2_ctrl_new_std_menu(&info->handle,
+                       &m5mols_ctrl_ops, V4L2_CID_COLORFX,
+                       4, (1 << V4L2_COLORFX_BW), V4L2_COLORFX_NONE);
+       info->autoexposure = v4l2_ctrl_new_std_menu(&info->handle,
+                       &m5mols_ctrl_ops, V4L2_CID_EXPOSURE_AUTO,
+                       1, 0, V4L2_EXPOSURE_MANUAL);
+
+       sd->ctrl_handler = &info->handle;
+       if (info->handle.error) {
+               v4l2_err(sd, "Failed to initialize controls: %d\n", ret);
+               v4l2_ctrl_handler_free(&info->handle);
+               return info->handle.error;
+       }
+
+       v4l2_ctrl_cluster(2, &info->autoexposure);
+
+       return 0;
+}
+
+/**
+ * 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;
+
+       if (on) {
+               ret = m5mols_sensor_power(info, true);
+               if (!ret)
+                       ret = m5mols_sensor_armboot(sd);
+               if (!ret)
+                       ret = m5mols_init_controls(info);
+               if (ret)
+                       return ret;
+
+               info->ffmt[M5MOLS_RESTYPE_MONITOR] =
+                       m5mols_default_ffmt[M5MOLS_RESTYPE_MONITOR];
+               info->ffmt[M5MOLS_RESTYPE_CAPTURE] =
+                       m5mols_default_ffmt[M5MOLS_RESTYPE_CAPTURE];
+               return ret;
+       }
+
+       if (is_manufacturer(info, REG_SAMSUNG_TECHWIN)) {
+               ret = m5mols_mode(info, REG_MONITOR);
+               if (!ret)
+                       ret = m5mols_write(sd, AF_EXECUTE, REG_AF_STOP);
+               if (!ret)
+                       ret = m5mols_write(sd, AF_MODE, REG_AF_POWEROFF);
+               if (!ret)
+                       ret = m5mols_busy(sd, CAT_SYSTEM, CAT0_STATUS,
+                                       REG_AF_IDLE);
+               if (!ret)
+                       v4l2_info(sd, "Success soft-landing lens\n");
+       }
+
+       ret = m5mols_sensor_power(info, false);
+       if (!ret) {
+               v4l2_ctrl_handler_free(&info->handle);
+               info->ctrl_sync = 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,
+       .pad            = &m5mols_pad_ops,
+       .video          = &m5mols_video_ops,
+};
+
+static void m5mols_irq_work(struct work_struct *work)
+{
+       struct m5mols_info *info =
+               container_of(work, struct m5mols_info, work_irq);
+       struct v4l2_subdev *sd = &info->sd;
+       u32 reg;
+       int ret;
+
+       if (!is_powered(info) ||
+                       m5mols_read(sd, SYSTEM_INT_FACTOR, &info->interrupt))
+               return;
+
+       switch (info->interrupt & REG_INT_MASK) {
+       case REG_INT_AF:
+               if (!is_available_af(info))
+                       break;
+               ret = m5mols_read(sd, AF_STATUS, &reg);
+               v4l2_dbg(2, m5mols_debug, sd, "AF %s\n",
+                        reg == REG_AF_FAIL ? "Failed" :
+                        reg == REG_AF_SUCCESS ? "Success" :
+                        reg == REG_AF_IDLE ? "Idle" : "Busy");
+               break;
+       case REG_INT_CAPTURE:
+               if (!test_and_set_bit(ST_CAPT_IRQ, &info->flags))
+                       wake_up_interruptible(&info->irq_waitq);
+
+               v4l2_dbg(2, m5mols_debug, sd, "CAPTURE\n");
+               break;
+       default:
+               v4l2_dbg(2, m5mols_debug, sd, "Undefined: %02x\n", reg);
+               break;
+       };
+}
+
+static irqreturn_t m5mols_irq_handler(int irq, void *data)
+{
+       struct v4l2_subdev *sd = data;
+       struct m5mols_info *info = to_m5mols(sd);
+
+       schedule_work(&info->work_irq);
+
+       return IRQ_HANDLED;
+}
+
+static int __devinit m5mols_probe(struct i2c_client *client,
+                                 const struct i2c_device_id *id)
+{
+       const struct m5mols_platform_data *pdata = client->dev.platform_data;
+       struct m5mols_info *info;
+       struct v4l2_subdev *sd;
+       int ret;
+
+       if (pdata == NULL) {
+               dev_err(&client->dev, "No platform data\n");
+               return -EINVAL;
+       }
+
+       if (!gpio_is_valid(pdata->gpio_reset)) {
+               dev_err(&client->dev, "No valid RESET GPIO specified\n");
+               return -EINVAL;
+       }
+
+       if (!pdata->irq) {
+               dev_err(&client->dev, "Interrupt not assigned\n");
+               return -EINVAL;
+       }
+
+       info = kzalloc(sizeof(struct m5mols_info), GFP_KERNEL);
+       if (!info)
+               return -ENOMEM;
+
+       info->pdata = pdata;
+       info->set_power = pdata->set_power;
+
+       ret = gpio_request(pdata->gpio_reset, "M5MOLS_NRST");
+       if (ret) {
+               dev_err(&client->dev, "Failed to request gpio: %d\n", ret);
+               goto out_free;
+       }
+       gpio_direction_output(pdata->gpio_reset, pdata->reset_polarity);
+
+       ret = regulator_bulk_get(&client->dev, ARRAY_SIZE(supplies), supplies);
+       if (ret) {
+               dev_err(&client->dev, "Failed to get regulators: %d\n", ret);
+               goto out_gpio;
+       }
+
+       sd = &info->sd;
+       strlcpy(sd->name, MODULE_NAME, sizeof(sd->name));
+       v4l2_i2c_subdev_init(sd, client, &m5mols_ops);
+
+       info->pad.flags = MEDIA_PAD_FL_SOURCE;
+       ret = media_entity_init(&sd->entity, 1, &info->pad, 0);
+       if (ret < 0)
+               goto out_reg;
+       sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_SENSOR;
+
+       init_waitqueue_head(&info->irq_waitq);
+       INIT_WORK(&info->work_irq, m5mols_irq_work);
+       ret = request_irq(pdata->irq, m5mols_irq_handler,
+                         IRQF_TRIGGER_RISING, MODULE_NAME, sd);
+       if (ret) {
+               dev_err(&client->dev, "Interrupt request failed: %d\n", ret);
+               goto out_me;
+       }
+       info->res_type = M5MOLS_RESTYPE_MONITOR;
+       return 0;
+out_me:
+       media_entity_cleanup(&sd->entity);
+out_reg:
+       regulator_bulk_free(ARRAY_SIZE(supplies), supplies);
+out_gpio:
+       gpio_free(pdata->gpio_reset);
+out_free:
+       kfree(info);
+       return ret;
+}
+
+static int __devexit 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);
+       free_irq(info->pdata->irq, sd);
+
+       regulator_bulk_free(ARRAY_SIZE(supplies), supplies);
+       gpio_free(info->pdata->gpio_reset);
+       media_entity_cleanup(&sd->entity);
+       kfree(info);
+       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         = __devexit_p(m5mols_remove),
+       .id_table       = m5mols_id,
+};
+
+static int __init m5mols_mod_init(void)
+{
+       return i2c_add_driver(&m5mols_i2c_driver);
+}
+
+static void __exit m5mols_mod_exit(void)
+{
+       i2c_del_driver(&m5mols_i2c_driver);
+}
+
+module_init(m5mols_mod_init);
+module_exit(m5mols_mod_exit);
+
+MODULE_AUTHOR("HeungJun Kim <riverful.kim@samsung.com>");
+MODULE_AUTHOR("Dongsoo Kim <dongsoo45.kim@samsung.com>");
+MODULE_DESCRIPTION("Fujitsu M-5MOLS 8M Pixel camera driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/video/m5mols/m5mols_reg.h b/drivers/media/video/m5mols/m5mols_reg.h
new file mode 100644 (file)
index 0000000..b83e36f
--- /dev/null
@@ -0,0 +1,399 @@
+/*
+ * 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 CAT0_VER_CUSTOMER      0x00    /* customer version */
+#define CAT0_VER_AWB           0x09    /* Auto WB version */
+#define CAT0_VER_STRING                0x0a    /* string including M-5MOLS */
+#define CAT0_SYSMODE           0x0b    /* SYSTEM mode register */
+#define CAT0_STATUS            0x0c    /* SYSTEM mode status register */
+#define CAT0_INT_FACTOR                0x10    /* interrupt pending register */
+#define CAT0_INT_ENABLE                0x11    /* interrupt enable register */
+
+#define SYSTEM_SYSMODE         I2C_REG(CAT_SYSTEM, CAT0_SYSMODE, 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, CAT0_VER_STRING, 1)
+#define REG_SAMSUNG_ELECTRO    "SE"    /* Samsung Electro-Mechanics */
+#define REG_SAMSUNG_OPTICS     "OP"    /* Samsung Fiber-Optics */
+#define REG_SAMSUNG_TECHWIN    "TB"    /* Samsung Techwin */
+
+#define SYSTEM_INT_FACTOR      I2C_REG(CAT_SYSTEM, CAT0_INT_FACTOR, 1)
+#define SYSTEM_INT_ENABLE      I2C_REG(CAT_SYSTEM, CAT0_INT_ENABLE, 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.
+ */
+#define CAT1_DATA_INTERFACE    0x00    /* interface between sensor and AP */
+#define CAT1_MONITOR_SIZE      0x01    /* resolution at the MONITOR mode */
+#define CAT1_MONITOR_FPS       0x02    /* frame per second at this mode */
+#define CAT1_EFFECT            0x0b    /* image effects */
+
+#define PARM_MON_SIZE          I2C_REG(CAT_PARAM, CAT1_MONITOR_SIZE, 1)
+
+#define PARM_MON_FPS           I2C_REG(CAT_PARAM, CAT1_MONITOR_FPS, 1)
+#define REG_FPS_30             0x02
+
+#define PARM_INTERFACE         I2C_REG(CAT_PARAM, CAT1_DATA_INTERFACE, 1)
+#define REG_INTERFACE_MIPI     0x02
+
+#define PARM_EFFECT            I2C_REG(CAT_PARAM, CAT1_EFFECT, 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.
+ */
+#define CAT2_ZOOM              0x01    /* set the zoom position & execute */
+#define CAT2_ZOOM_STEP         0x03    /* set the zoom step */
+#define CAT2_CFIXB             0x09    /* CB value for color effect */
+#define CAT2_CFIXR             0x0a    /* CR value for color effect */
+#define CAT2_COLOR_EFFECT      0x0b    /* set on/off of color effect */
+#define CAT2_CHROMA_LVL                0x0f    /* set chroma level */
+#define CAT2_CHROMA_EN         0x10    /* set on/off of choroma */
+#define CAT2_EDGE_LVL          0x11    /* set sharpness level */
+#define CAT2_EDGE_EN           0x12    /* set on/off sharpness */
+#define CAT2_TONE_CTL          0x25    /* set tone color(contrast) */
+
+#define MON_ZOOM               I2C_REG(CAT_MONITOR, CAT2_ZOOM, 1)
+
+#define MON_CFIXR              I2C_REG(CAT_MONITOR, CAT2_CFIXR, 1)
+#define MON_CFIXB              I2C_REG(CAT_MONITOR, CAT2_CFIXB, 1)
+#define REG_CFIXB_SEPIA                0xd8
+#define REG_CFIXR_SEPIA                0x18
+
+#define MON_EFFECT             I2C_REG(CAT_MONITOR, CAT2_COLOR_EFFECT, 1)
+#define REG_COLOR_EFFECT_OFF   0x00
+#define REG_COLOR_EFFECT_ON    0x01
+
+#define MON_CHROMA_EN          I2C_REG(CAT_MONITOR, CAT2_CHROMA_EN, 1)
+#define MON_CHROMA_LVL         I2C_REG(CAT_MONITOR, CAT2_CHROMA_LVL, 1)
+#define REG_CHROMA_OFF         0x00
+#define REG_CHROMA_ON          0x01
+
+#define MON_EDGE_EN            I2C_REG(CAT_MONITOR, CAT2_EDGE_EN, 1)
+#define MON_EDGE_LVL           I2C_REG(CAT_MONITOR, CAT2_EDGE_LVL, 1)
+#define REG_EDGE_OFF           0x00
+#define REG_EDGE_ON            0x01
+
+#define MON_TONE_CTL           I2C_REG(CAT_MONITOR, CAT2_TONE_CTL, 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.
+ */
+#define CAT3_AE_LOCK           0x00    /* locking Auto exposure */
+#define CAT3_AE_MODE           0x01    /* set AE mode, mode means range */
+#define CAT3_ISO               0x05    /* set ISO */
+#define CAT3_EV_PRESET_MONITOR 0x0a    /* EV(scenemode) preset for MONITOR */
+#define CAT3_EV_PRESET_CAPTURE 0x0b    /* EV(scenemode) preset for CAPTURE */
+#define CAT3_MANUAL_GAIN_MON   0x12    /* meteoring value for the MONITOR */
+#define CAT3_MAX_GAIN_MON      0x1a    /* max gain value for the MONITOR */
+#define CAT3_MANUAL_GAIN_CAP   0x26    /* meteoring value for the CAPTURE */
+#define CAT3_AE_INDEX          0x38    /* AE index */
+
+#define AE_LOCK                        I2C_REG(CAT_AE, CAT3_AE_LOCK, 1)
+#define REG_AE_UNLOCK          0x00
+#define REG_AE_LOCK            0x01
+
+#define AE_MODE                        I2C_REG(CAT_AE, CAT3_AE_MODE, 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, CAT3_ISO, 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
+
+#define AE_EV_PRESET_MONITOR   I2C_REG(CAT_AE, CAT3_EV_PRESET_MONITOR, 1)
+#define AE_EV_PRESET_CAPTURE   I2C_REG(CAT_AE, CAT3_EV_PRESET_CAPTURE, 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
+
+#define AE_MAN_GAIN_MON                I2C_REG(CAT_AE, CAT3_MANUAL_GAIN_MON, 2)
+#define AE_MAX_GAIN_MON                I2C_REG(CAT_AE, CAT3_MAX_GAIN_MON, 2)
+#define AE_MAN_GAIN_CAP                I2C_REG(CAT_AE, CAT3_MANUAL_GAIN_CAP, 2)
+
+#define AE_INDEX               I2C_REG(CAT_AE, CAT3_AE_INDEX, 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
+ *
+ * This category provide AWB locking/mode/preset/speed/gain bias, etc.
+ */
+#define CAT6_AWB_LOCK          0x00    /* locking Auto Whitebalance */
+#define CAT6_AWB_MODE          0x02    /* set Auto or Manual */
+#define CAT6_AWB_MANUAL                0x03    /* set Manual(preset) value */
+
+#define AWB_LOCK               I2C_REG(CAT_WB, CAT6_AWB_LOCK, 1)
+#define REG_AWB_UNLOCK         0x00
+#define REG_AWB_LOCK           0x01
+
+#define AWB_MODE               I2C_REG(CAT_WB, CAT6_AWB_MODE, 1)
+#define REG_AWB_AUTO           0x01    /* AWB off */
+#define REG_AWB_PRESET         0x02    /* AWB preset */
+
+#define AWB_MANUAL             I2C_REG(CAT_WB, CAT6_AWB_MANUAL, 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 CAT7_INFO_EXPTIME_NU   0x00
+#define CAT7_INFO_EXPTIME_DE   0x04
+#define CAT7_INFO_TV_NU                0x08
+#define CAT7_INFO_TV_DE                0x0c
+#define CAT7_INFO_AV_NU                0x10
+#define CAT7_INFO_AV_DE                0x14
+#define CAT7_INFO_BV_NU                0x18
+#define CAT7_INFO_BV_DE                0x1c
+#define CAT7_INFO_EBV_NU       0x20
+#define CAT7_INFO_EBV_DE       0x24
+#define CAT7_INFO_ISO          0x28
+#define CAT7_INFO_FLASH                0x2a
+#define CAT7_INFO_SDR          0x2c
+#define CAT7_INFO_QVAL         0x2e
+
+#define EXIF_INFO_EXPTIME_NU   I2C_REG(CAT_EXIF, CAT7_INFO_EXPTIME_NU, 4)
+#define EXIF_INFO_EXPTIME_DE   I2C_REG(CAT_EXIF, CAT7_INFO_EXPTIME_DE, 4)
+#define EXIF_INFO_TV_NU                I2C_REG(CAT_EXIF, CAT7_INFO_TV_NU, 4)
+#define EXIF_INFO_TV_DE                I2C_REG(CAT_EXIF, CAT7_INFO_TV_DE, 4)
+#define EXIF_INFO_AV_NU                I2C_REG(CAT_EXIF, CAT7_INFO_AV_NU, 4)
+#define EXIF_INFO_AV_DE                I2C_REG(CAT_EXIF, CAT7_INFO_AV_DE, 4)
+#define EXIF_INFO_BV_NU                I2C_REG(CAT_EXIF, CAT7_INFO_BV_NU, 4)
+#define EXIF_INFO_BV_DE                I2C_REG(CAT_EXIF, CAT7_INFO_BV_DE, 4)
+#define EXIF_INFO_EBV_NU       I2C_REG(CAT_EXIF, CAT7_INFO_EBV_NU, 4)
+#define EXIF_INFO_EBV_DE       I2C_REG(CAT_EXIF, CAT7_INFO_EBV_DE, 4)
+#define EXIF_INFO_ISO          I2C_REG(CAT_EXIF, CAT7_INFO_ISO, 2)
+#define EXIF_INFO_FLASH                I2C_REG(CAT_EXIF, CAT7_INFO_FLASH, 2)
+#define EXIF_INFO_SDR          I2C_REG(CAT_EXIF, CAT7_INFO_SDR, 2)
+#define EXIF_INFO_QVAL         I2C_REG(CAT_EXIF, CAT7_INFO_QVAL, 2)
+
+/*
+ * Category 9 - Face Detection
+ */
+#define CAT9_FD_CTL            0x00
+
+#define FD_CTL                 I2C_REG(CAT_FD, CAT9_FD_CTL, 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 CATA_AF_MODE           0x01
+#define CATA_AF_EXECUTE                0x02
+#define CATA_AF_STATUS         0x03
+#define CATA_AF_VERSION                0x0a
+
+#define AF_MODE                        I2C_REG(CAT_LENS, CATA_AF_MODE, 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, CATA_AF_EXECUTE, 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, CATA_AF_STATUS, 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, CATA_AF_VERSION, 1)
+
+/*
+ * Category B - CAPTURE Parameter
+ */
+#define CATB_YUVOUT_MAIN       0x00
+#define CATB_MAIN_IMAGE_SIZE   0x01
+#define CATB_MCC_MODE          0x1d
+#define CATB_WDR_EN            0x2c
+#define CATB_LIGHT_CTRL                0x40
+#define CATB_FLASH_CTRL                0x41
+
+#define CAPP_YUVOUT_MAIN       I2C_REG(CAT_CAPT_PARM, CATB_YUVOUT_MAIN, 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, CATB_MAIN_IMAGE_SIZE, 1)
+
+#define CAPP_MCC_MODE          I2C_REG(CAT_CAPT_PARM, CATB_MCC_MODE, 1)
+#define REG_MCC_OFF            0x00
+#define REG_MCC_NORMAL         0x01
+
+#define CAPP_WDR_EN            I2C_REG(CAT_CAPT_PARM, CATB_WDR_EN, 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, CATB_LIGHT_CTRL, 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, CATB_FLASH_CTRL, 1)
+#define REG_FLASH_OFF          0x00
+#define REG_FLASH_ON           0x01
+#define REG_FLASH_AUTO         0x02
+
+/*
+ * Category C - CAPTURE Control
+ */
+#define CATC_CAP_MODE          0x00
+#define CATC_CAP_SEL_FRAME     0x06    /* It determines Single or Multi */
+#define CATC_CAP_START         0x09
+#define CATC_CAP_IMAGE_SIZE    0x0d
+#define CATC_CAP_THUMB_SIZE    0x11
+
+#define CAPC_MODE              I2C_REG(CAT_CAPT_CTRL, CATC_CAP_MODE, 1)
+#define REG_CAP_NONE           0x00
+#define REG_CAP_ANTI_SHAKE     0x02
+
+#define CAPC_SEL_FRAME         I2C_REG(CAT_CAPT_CTRL, CATC_CAP_SEL_FRAME, 1)
+
+#define CAPC_START             I2C_REG(CAT_CAPT_CTRL, CATC_CAP_START, 1)
+#define REG_CAP_START_MAIN     0x01
+#define REG_CAP_START_THUMB    0x03
+
+#define CAPC_IMAGE_SIZE                I2C_REG(CAT_CAPT_CTRL, CATC_CAP_IMAGE_SIZE, 1)
+#define CAPC_THUMB_SIZE                I2C_REG(CAT_CAPT_CTRL, CATC_CAP_THUMB_SIZE, 1)
+
+/*
+ * Category F - Flash
+ *
+ * This mode provides functions about internal flash stuff and system startup.
+ */
+#define CATF_CAM_START         0x12    /* It starts internal ARM core booting
+                                        * after power-up */
+
+#define FLASH_CAM_START                I2C_REG(CAT_FLASH, CATF_CAM_START, 1)
+#define REG_START_ARM_BOOT     0x01
+
+#endif /* M5MOLS_REG_H */
diff --git a/include/media/m5mols.h b/include/media/m5mols.h
new file mode 100644 (file)
index 0000000..2d7e7ca
--- /dev/null
@@ -0,0 +1,35 @@
+/*
+ * Driver header for M-5MOLS 8M Pixel camera sensor with ISP
+ *
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd.
+ * Author: HeungJun Kim, riverful.kim@samsung.com
+ *
+ * Copyright (C) 2009 Samsung Electronics Co., Ltd.
+ * Author: Dongsoo Nathaniel Kim, dongsoo45.kim@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef MEDIA_M5MOLS_H
+#define MEDIA_M5MOLS_H
+
+/**
+ * struct m5mols_platform_data - platform data for M-5MOLS driver
+ * @irq:       GPIO getting the irq pin of M-5MOLS
+ * @gpio_reset:        GPIO driving the reset pin of M-5MOLS
+ * @reset_polarity: active state for gpio_rst pin, 0 or 1
+ * @set_power: an additional callback to the board setup code
+ *             to be called after enabling and before disabling
+ *             the sensor's supply regulators
+ */
+struct m5mols_platform_data {
+       int irq;
+       int gpio_reset;
+       u8 reset_polarity;
+       int (*set_power)(struct device *dev, int on);
+};
+
+#endif /* MEDIA_M5MOLS_H */