oleavr-rgl-a500-mini-linux-3.10/drivers/media/platform/sunxi-vfe/device/bf3a03.c

/*
 * A V4L2 driver for GalaxyCore BF3A03 cameras.
 *
 */
#include <linux/init.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/videodev2.h>
#include <linux/clk.h>
#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-mediabus.h>
#include <linux/io.h>

#include "camera.h"
#include "sensor_helper.h"

MODULE_AUTHOR("raymonxiu");
MODULE_DESCRIPTION("A low-level driver for GalaxyCore BF3A03 sensors");
MODULE_LICENSE("GPL");

//for internel driver debug
#define DEV_DBG_EN   		1
#if(DEV_DBG_EN == 1)
#define vfe_dev_dbg(x,arg...) printk("[CSI_DEBUG][BF3A03]"x,##arg)
#else
#define vfe_dev_dbg(x,arg...)
#endif
#define vfe_dev_err(x,arg...) printk("[CSI_ERR][BF3A03]"x,##arg)
#define vfe_dev_print(x,arg...) printk("[CSI][BF3A03]"x,##arg)

#define LOG_ERR_RET(x)  { \
                          int ret;  \
                          ret = x; \
                          if(ret < 0) {\
                            vfe_dev_err("error at %s\n",__func__);  \
                            return ret; \
                          } \
                        }

//define module timing
#define MCLK (24*1000*1000)
#define VREF_POL          V4L2_MBUS_VSYNC_ACTIVE_HIGH
#define HREF_POL          V4L2_MBUS_HSYNC_ACTIVE_HIGH
#define CLK_POL              V4L2_MBUS_PCLK_SAMPLE_RISING
#define V4L2_IDENT_SENSOR 0x3a03

/*
 * Our nominal (default) frame rate.
 */
#define SENSOR_FRAME_RATE 10

/*
 * The BF3A03 sits on i2c with ID 0x42
 */
#define I2C_ADDR 0xDC
#define SENSOR_NAME "bf3a03"
/*
 * Information we maintain about a known sensor.
 */
struct sensor_format_struct;  /* coming later */

struct cfg_array { /* coming later */
	struct regval_list * regs;
	int size;
};

static inline struct sensor_info *to_state(struct v4l2_subdev *sd)
{
	return container_of(sd, struct sensor_info, sd);
}



/*
 * The default register settings
 *
 */
static struct regval_list sensor_default_regs_24M[] = {
																				 
}; 
 
static struct regval_list sensor_default_regs[] = {
	/* init 640X480 VGA */
	// Initail Sequence Write In.
	{0x09,0X55},
	{0x15,0X02},
	{0x1e,0X70},//HV mirror
	
	//Analog signals
	{0x06,0X78},//0x68
	{0x21,0X00},
	{0x3e,0X37},
	{0x29,0X2b},//0x29
	{0x27,0X98},
	
	//Clock
	{0x2f,0X4e},//???????????????0x42;
	{0x11,0X10},//???[1:0]
	{0x1b,0X09},//??? PLL'????0x2f[1]??0x1b[3]
	
	//????????
	{0x4a,0X98},//Sub??Win
	{0x12,0X00},//YUV??sub???
	{0x3a,0X02},//YUV??? //00
	
	//Manual
	{0x13,0X08},//???bit[3]GLB GAIN0
	//{0x01,0X14},
	//{0x02,0X20},
	{0x8c,0X02},
	{0x8d,0X4c},
	{0x87,0X16},//GLB GAIN0
	
	//Auto
	{0x13,0X07},
	
	//Denoise
	{0x70,0X0f},//???g????
	{0x3b,0X00},//?????????
	{0x71,0X0c},//???g????
	{0x73,0X27},//Denoise
	{0x75,0X88},//Outdoor denoise
	{0x76,0Xd8},
	{0x77,0X0a},//Low light denoise
	{0x78,0Xff},
	{0x79,0X14},
	{0x7a,0X24},//??????//0x12
	{0x9e,0X04},//0xc4
	{0x7d,0X2a},//????
	
	//Gamma default
	{0x39,0Xa0},//Gamma offset//c0//b0//a8
	{0x3f,0Xa0},//b0
	{0x90,0X20},
	{0x5f,0X00},//Dark_sel gamma// 0x01//0x03 zj
	
	
	{0x40,0X22},
	{0x41,0X23}, 
	{0x42,0X28},
	{0x43,0X25},
	{0x44,0X1d},
	{0x45,0X17},
	{0x46,0X13},
	{0x47,0X12},
	{0x48,0X10},
	{0x49,0X0d},
	{0x4b,0X0b},    
	{0x4c,0X0b},
	{0x4e,0X09},
	{0x4f,0X07},
	{0x50,0X06},
	//AE
	{0x24,0X50},//??A??Y_target //0x48
	{0x97,0X40},//A??Y_target  
	{0x25,0X88},//AE_LOC
	{0x81,0X00},//AE speed
	{0x82,0X18},
	{0x83,0X30},
	{0x84,0X20},
	{0x85,0X38},
	{0x86,0X55},
	{0x94,0X82},//??AE?v??????
	{0x80,0X92},//??????????,bit[1]choose 50HZ or 60HZ step;
	{0x98,0X88},//??????????
	{0x89,0X55},//?????bit[7:3]//8a
	{0x8e,0X2c},
	{0x8f,0X86},
	
	//Banding
	{0x2b,0X20},
	{0x8a,0X93},//50HZ 
	{0x8b,0X7a},//60HZ
	{0x92,0X6D},
	
	//Color
	{0x5a,0Xec},//Outdoor color
	{0x51,0X90},
	{0x52,0X10},
	{0x53,0X8d},
	{0x54,0X88},
	{0x57,0X82},
	{0x58,0X8d},
	{0x5a,0X7c},//A light color  
	{0x51,0X80},
	{0x52,0X04},
	{0x53,0X8d},
	{0x54,0X88},
	{0x57,0X82},
	{0x58,0X8d},
	
	//Color defult 
	{0x5a,0X6c},//Indoor color  
	{0x51,0X93},
	{0x52,0X04},
	{0x53,0X8a},
	{0x54,0X88},
	{0x57,0X02},
	{0x58,0X8d}, 
	
	//Color??????           
	{0x5a,0X6c},//Indoor color   
	{0x51,0X90},
	{0x52,0X0a},
	{0x53,0X84},
	{0x54,0X05},
	{0x57,0X05},
	{0x58,0X87},
	
	//Saturation
	{0xb0,0Xa0},//A?????
	{0xb1,0X26},
	{0xb2,0X1c},
	{0xb4,0Xfd},
	{0xb0,0X30},//??A????? 
	{0xb1,0Xd8},
	{0xb2,0X90}, //0xb0
	{0xb4,0Xf1},
	
	//Contrast
	{0x3c,0X40},//K1
	{0x56,0X48},//K2 0xb4[4]???new or old 
	{0x4d,0X40},//K3
	{0x59,0X40},//K4
	
	//G gainСһЩ   
	{0x35,0x46},//shading R
	{0x65,0x38},//shading G
	{0x66,0x42},//shading B
	//AWB 
	{0x6a,0xd1},//AWB
	{0x23,0x11},//G GAIN
	{0xa2,0x0b},
	{0xa3,0x26},
	{0xa4,0x04},
	{0xa5,0x20},//0x26
	{0xa7,0x13},//B GAIN
	{0xa8,0x8e},//R GAIN
	{0xa9,0x16},
	{0xaa,0x16},
	{0xab,0x16},
	{0xac,0x30},
	{0xad,0xf0},
	{0xae,0x57},
	{0xc5,0x66},
	{0xc7,0x38},//bit[4]
	{0xc8,0x0d},
	{0xc9,0x16},
	{0xd3,0x09},
	{0xd4,0x15},
	{0xd0,0x00},//offset
	{0xd1,0x01},//offset
	{0xd2,0x18},
		
	{0x20,0X00},
	{0x16,0X25},
	
	{0x00,0x00}
};


/*
 * The white balance settings
 * Here only tune the R G B channel gain.
 * The white balance enalbe bit is modified in sensor_s_autowb and sensor_s_wb
 */
static struct regval_list sensor_wb_manual[] = {
//null
};

static struct regval_list sensor_wb_auto_regs[] = {
	{0x13,0x07},//for AWB can adjust back, first write the RGB wb gain, and then enable AWB
};

static struct regval_list sensor_wb_incandescence_regs[] = {
	//bai re guang
	{0x13,0x05},	
	{0x01,0x1f},	
	{0x02,0x20},
};

static struct regval_list sensor_wb_fluorescent_regs[] = {
	//ri guang deng
	{0x13,0x05},	
	{0x01,0x1a},	
	{0x02,0x15},
};

static struct regval_list sensor_wb_tungsten_regs[] = {
	//wu si deng
	{0x13,0x05},	
	{0x01,0x28},	
	{0x02,0x0a},
};

static struct regval_list sensor_wb_horizon[] = {
//null
};

static struct regval_list sensor_wb_daylight_regs[] = {
	{0x13,0x05},	
	{0x01,0x15},	
	{0x02,0x20},	
};

static struct regval_list sensor_wb_flash[] = {
//null
};


static struct regval_list sensor_wb_cloud_regs[] = {
	{0x13,0x05},	
	{0x01,0x10},	
	{0x02,0x2c},	
};

static struct regval_list sensor_wb_shade[] = {
//null
};

static struct cfg_array sensor_wb[] = {
	{ 
		.regs = sensor_wb_manual,             //V4L2_WHITE_BALANCE_MANUAL       
		.size = ARRAY_SIZE(sensor_wb_manual),
	},
	{
		.regs = sensor_wb_auto_regs,          //V4L2_WHITE_BALANCE_AUTO      
		.size = ARRAY_SIZE(sensor_wb_auto_regs),
	},
	{
		.regs = sensor_wb_incandescence_regs, //V4L2_WHITE_BALANCE_INCANDESCENT 
		.size = ARRAY_SIZE(sensor_wb_incandescence_regs),
	},
	{
		.regs = sensor_wb_fluorescent_regs,   //V4L2_WHITE_BALANCE_FLUORESCENT  
		.size = ARRAY_SIZE(sensor_wb_fluorescent_regs),
	},
	{
		.regs = sensor_wb_tungsten_regs,      //V4L2_WHITE_BALANCE_FLUORESCENT_H
		.size = ARRAY_SIZE(sensor_wb_tungsten_regs),
	},
	{
		.regs = sensor_wb_horizon,            //V4L2_WHITE_BALANCE_HORIZON    
		.size = ARRAY_SIZE(sensor_wb_horizon),
	},  
	{
		.regs = sensor_wb_daylight_regs,      //V4L2_WHITE_BALANCE_DAYLIGHT     
		.size = ARRAY_SIZE(sensor_wb_daylight_regs),
	},
	{
		.regs = sensor_wb_flash,              //V4L2_WHITE_BALANCE_FLASH        
		.size = ARRAY_SIZE(sensor_wb_flash),
	},
	{
		.regs = sensor_wb_cloud_regs,         //V4L2_WHITE_BALANCE_CLOUDY       
		.size = ARRAY_SIZE(sensor_wb_cloud_regs),
	},
	{
		.regs = sensor_wb_shade,              //V4L2_WHITE_BALANCE_SHADE  
		.size = ARRAY_SIZE(sensor_wb_shade),
	},
};


/*
 * The color effect settings
 */
static struct regval_list sensor_colorfx_none_regs[] = {
	{0x70,0x0f},
	{0x69,0x00},
	{0x67,0x80},
	{0x68,0x80},
	{0xb4,0x91},
};

static struct regval_list sensor_colorfx_bw_regs[] = {
	{0x70,0x0f},
	{0x69,0x20},
	{0x67,0x80},
	{0x68,0x80},
	{0xb4,0x91},
};

static struct regval_list sensor_colorfx_sepia_regs[] = {
	{0x70,0x0b},
	{0x69,0x20},
	{0x67,0x60},
	{0x68,0xa0},
	{0xb4,0x91},
};

static struct regval_list sensor_colorfx_negative_regs[] = {
	{0x70,0x0f},
	{0x69,0x01},
	{0x67,0x80},
	{0x68,0x80},
	{0xb4,0x91},
};

static struct regval_list sensor_colorfx_emboss_regs[] = {
	{0x70,0x1b},
	{0x69,0x01},
	{0x67,0x80},
	{0x68,0x80},
	{0xb4,0x91},
};

static struct regval_list sensor_colorfx_sketch_regs[] = {
	{0x70,0x3b},
	{0x69,0x00},
	{0x67,0x80},
	{0x68,0x80},
	{0xb4,0x91},
};

static struct regval_list sensor_colorfx_sky_blue_regs[] = {
	{0x70,0x0b}, 
	{0x69,0x20}, 
	{0x67,0xe0}, 
	{0x68,0x50}, 
	{0xb4,0x91}, 
};

static struct regval_list sensor_colorfx_grass_green_regs[] = {
	{0x70,0x0b},  
	{0x69,0x20},  
	{0x67,0x60},  
	{0x68,0x60},  
	{0xb4,0x91},  
};

static struct regval_list sensor_colorfx_skin_whiten_regs[] = {
//NULL
};

static struct regval_list sensor_colorfx_vivid_regs[] = {
//NULL
};

static struct regval_list sensor_colorfx_aqua_regs[] = {
//null
};

static struct regval_list sensor_colorfx_art_freeze_regs[] = {
//null
};

static struct regval_list sensor_colorfx_silhouette_regs[] = {
//null
};

static struct regval_list sensor_colorfx_solarization_regs[] = {
//null
};

static struct regval_list sensor_colorfx_antique_regs[] = {
//null
};

static struct regval_list sensor_colorfx_set_cbcr_regs[] = {
//null
};

static struct cfg_array sensor_colorfx[] = {
	{
		.regs = sensor_colorfx_none_regs,         //V4L2_COLORFX_NONE = 0,         
		.size = ARRAY_SIZE(sensor_colorfx_none_regs),
	},
	{
		.regs = sensor_colorfx_bw_regs,           //V4L2_COLORFX_BW   = 1,  
		.size = ARRAY_SIZE(sensor_colorfx_bw_regs),
	},
	{
		.regs = sensor_colorfx_sepia_regs,        //V4L2_COLORFX_SEPIA  = 2,   
		.size = ARRAY_SIZE(sensor_colorfx_sepia_regs),
	},
	{
		.regs = sensor_colorfx_negative_regs,     //V4L2_COLORFX_NEGATIVE = 3,     
		.size = ARRAY_SIZE(sensor_colorfx_negative_regs),
	},
	{
		.regs = sensor_colorfx_emboss_regs,       //V4L2_COLORFX_EMBOSS = 4,       
		.size = ARRAY_SIZE(sensor_colorfx_emboss_regs),
	},
	{
		.regs = sensor_colorfx_sketch_regs,       //V4L2_COLORFX_SKETCH = 5,       
		.size = ARRAY_SIZE(sensor_colorfx_sketch_regs),
	},
	{
		.regs = sensor_colorfx_sky_blue_regs,     //V4L2_COLORFX_SKY_BLUE = 6,     
		.size = ARRAY_SIZE(sensor_colorfx_sky_blue_regs),
	},
	{
		.regs = sensor_colorfx_grass_green_regs,  //V4L2_COLORFX_GRASS_GREEN = 7,  
		.size = ARRAY_SIZE(sensor_colorfx_grass_green_regs),
	},
	{
		.regs = sensor_colorfx_skin_whiten_regs,  //V4L2_COLORFX_SKIN_WHITEN = 8,  
		.size = ARRAY_SIZE(sensor_colorfx_skin_whiten_regs),
	},
	{
		.regs = sensor_colorfx_vivid_regs,        //V4L2_COLORFX_VIVID = 9,        
		.size = ARRAY_SIZE(sensor_colorfx_vivid_regs),
	},
	{
		.regs = sensor_colorfx_aqua_regs,         //V4L2_COLORFX_AQUA = 10,        
		.size = ARRAY_SIZE(sensor_colorfx_aqua_regs),
	},
	{
		.regs = sensor_colorfx_art_freeze_regs,   //V4L2_COLORFX_ART_FREEZE = 11,  
		.size = ARRAY_SIZE(sensor_colorfx_art_freeze_regs),
	},
	{
		.regs = sensor_colorfx_silhouette_regs,   //V4L2_COLORFX_SILHOUETTE = 12,  
		.size = ARRAY_SIZE(sensor_colorfx_silhouette_regs),
	},
	{
		.regs = sensor_colorfx_solarization_regs, //V4L2_COLORFX_SOLARIZATION = 13,
		.size = ARRAY_SIZE(sensor_colorfx_solarization_regs),
	},
	{
		.regs = sensor_colorfx_antique_regs,      //V4L2_COLORFX_ANTIQUE = 14,     
		.size = ARRAY_SIZE(sensor_colorfx_antique_regs),
	},
	{
		.regs = sensor_colorfx_set_cbcr_regs,     //V4L2_COLORFX_SET_CBCR = 15, 
		.size = ARRAY_SIZE(sensor_colorfx_set_cbcr_regs),
	},
};

/*
 * The brightness setttings
 */
static struct regval_list sensor_brightness_neg4_regs[] = {
//NULL
};

static struct regval_list sensor_brightness_neg3_regs[] = {
//NULL
};

static struct regval_list sensor_brightness_neg2_regs[] = {
//NULL
};

static struct regval_list sensor_brightness_neg1_regs[] = {
//NULL
};

static struct regval_list sensor_brightness_zero_regs[] = {
//NULL
};

static struct regval_list sensor_brightness_pos1_regs[] = {
//NULL
};

static struct regval_list sensor_brightness_pos2_regs[] = {
//NULL
};

static struct regval_list sensor_brightness_pos3_regs[] = {
//NULL
};

static struct regval_list sensor_brightness_pos4_regs[] = {
//NULL
};

static struct cfg_array sensor_brightness[] = {
	{
		.regs = sensor_brightness_neg4_regs,
		.size = ARRAY_SIZE(sensor_brightness_neg4_regs),
	},
	{
		.regs = sensor_brightness_neg3_regs,
		.size = ARRAY_SIZE(sensor_brightness_neg3_regs),
	},
	{
		.regs = sensor_brightness_neg2_regs,
		.size = ARRAY_SIZE(sensor_brightness_neg2_regs),
	},
	{
		.regs = sensor_brightness_neg1_regs,
		.size = ARRAY_SIZE(sensor_brightness_neg1_regs),
	},
	{
		.regs = sensor_brightness_zero_regs,
		.size = ARRAY_SIZE(sensor_brightness_zero_regs),
	},
	{
		.regs = sensor_brightness_pos1_regs,
		.size = ARRAY_SIZE(sensor_brightness_pos1_regs),
	},
	{
		.regs = sensor_brightness_pos2_regs,
		.size = ARRAY_SIZE(sensor_brightness_pos2_regs),
	},
	{
		.regs = sensor_brightness_pos3_regs,
		.size = ARRAY_SIZE(sensor_brightness_pos3_regs),
	},
	{
		.regs = sensor_brightness_pos4_regs,
		.size = ARRAY_SIZE(sensor_brightness_pos4_regs),
	},
};

/*
 * The contrast setttings
 */
static struct regval_list sensor_contrast_neg4_regs[] = {
//NULL
};

static struct regval_list sensor_contrast_neg3_regs[] = {
//NULL
};

static struct regval_list sensor_contrast_neg2_regs[] = {
//NULL
};

static struct regval_list sensor_contrast_neg1_regs[] = {
//NULL
};

static struct regval_list sensor_contrast_zero_regs[] = {
//NULL
};

static struct regval_list sensor_contrast_pos1_regs[] = {
//NULL
};

static struct regval_list sensor_contrast_pos2_regs[] = {
//NULL
};

static struct regval_list sensor_contrast_pos3_regs[] = {
//NULL
};

static struct regval_list sensor_contrast_pos4_regs[] = {
};

static struct cfg_array sensor_contrast[] = {
	{
		.regs = sensor_contrast_neg4_regs,
		.size = ARRAY_SIZE(sensor_contrast_neg4_regs),
	},
	{
		.regs = sensor_contrast_neg3_regs,
		.size = ARRAY_SIZE(sensor_contrast_neg3_regs),
	},
	{
		.regs = sensor_contrast_neg2_regs,
		.size = ARRAY_SIZE(sensor_contrast_neg2_regs),
	},
	{
		.regs = sensor_contrast_neg1_regs,
		.size = ARRAY_SIZE(sensor_contrast_neg1_regs),
	},
	{
		.regs = sensor_contrast_zero_regs,
		.size = ARRAY_SIZE(sensor_contrast_zero_regs),
	},
	{
		.regs = sensor_contrast_pos1_regs,
		.size = ARRAY_SIZE(sensor_contrast_pos1_regs),
	},
	{
		.regs = sensor_contrast_pos2_regs,
		.size = ARRAY_SIZE(sensor_contrast_pos2_regs),
	},
	{
		.regs = sensor_contrast_pos3_regs,
		.size = ARRAY_SIZE(sensor_contrast_pos3_regs),
	},
	{
		.regs = sensor_contrast_pos4_regs,
		.size = ARRAY_SIZE(sensor_contrast_pos4_regs),
	},
};

/*
 * The saturation setttings
 */
static struct regval_list sensor_saturation_neg4_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_neg3_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_neg2_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_neg1_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_zero_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_pos1_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_pos2_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_pos3_regs[] = {
//NULL
};

static struct regval_list sensor_saturation_pos4_regs[] = {
//NULL
};

static struct cfg_array sensor_saturation[] = {
	{
		.regs = sensor_saturation_neg4_regs,
		.size = ARRAY_SIZE(sensor_saturation_neg4_regs),
	},
	{
		.regs = sensor_saturation_neg3_regs,
		.size = ARRAY_SIZE(sensor_saturation_neg3_regs),
	},
	{
		.regs = sensor_saturation_neg2_regs,
		.size = ARRAY_SIZE(sensor_saturation_neg2_regs),
	},
	{
		.regs = sensor_saturation_neg1_regs,
		.size = ARRAY_SIZE(sensor_saturation_neg1_regs),
	},
	{
		.regs = sensor_saturation_zero_regs,
		.size = ARRAY_SIZE(sensor_saturation_zero_regs),
	},
	{
		.regs = sensor_saturation_pos1_regs,
		.size = ARRAY_SIZE(sensor_saturation_pos1_regs),
	},
	{
		.regs = sensor_saturation_pos2_regs,
		.size = ARRAY_SIZE(sensor_saturation_pos2_regs),
	},
	{
		.regs = sensor_saturation_pos3_regs,
		.size = ARRAY_SIZE(sensor_saturation_pos3_regs),
	},
	{
		.regs = sensor_saturation_pos4_regs,
		.size = ARRAY_SIZE(sensor_saturation_pos4_regs),
	},
};

/*
 * The exposure target setttings
 */
static struct regval_list sensor_ev_neg4_regs[] = {
	{0x55,0xc0},
};

static struct regval_list sensor_ev_neg3_regs[] = {
	{0x55,0xb0},
};

static struct regval_list sensor_ev_neg2_regs[] = {
	{0x55,0xa0},
};

static struct regval_list sensor_ev_neg1_regs[] = {
	{0x55,0x90},
};

static struct regval_list sensor_ev_zero_regs[] = {
	{0x55,0x00},
};

static struct regval_list sensor_ev_pos1_regs[] = {
	{0x55,0x10},
};

static struct regval_list sensor_ev_pos2_regs[] = {
	{0x55,0x20},
};

static struct regval_list sensor_ev_pos3_regs[] = {
	{0x55,0x30},
};

static struct regval_list sensor_ev_pos4_regs[] = {
	{0x55,0x40},
};

static struct cfg_array sensor_ev[] = {
	{
		.regs = sensor_ev_neg4_regs,
		.size = ARRAY_SIZE(sensor_ev_neg4_regs),
	},
	{
		.regs = sensor_ev_neg3_regs,
		.size = ARRAY_SIZE(sensor_ev_neg3_regs),
	},
	{
		.regs = sensor_ev_neg2_regs,
		.size = ARRAY_SIZE(sensor_ev_neg2_regs),
	},
	{
		.regs = sensor_ev_neg1_regs,
		.size = ARRAY_SIZE(sensor_ev_neg1_regs),
	},
	{
		.regs = sensor_ev_zero_regs,
		.size = ARRAY_SIZE(sensor_ev_zero_regs),
	},
	{
		.regs = sensor_ev_pos1_regs,
		.size = ARRAY_SIZE(sensor_ev_pos1_regs),
	},
	{
		.regs = sensor_ev_pos2_regs,
		.size = ARRAY_SIZE(sensor_ev_pos2_regs),
	},
	{
		.regs = sensor_ev_pos3_regs,
		.size = ARRAY_SIZE(sensor_ev_pos3_regs),
	},
	{
		.regs = sensor_ev_pos4_regs,
		.size = ARRAY_SIZE(sensor_ev_pos4_regs),
	},
};

/*
 * Here we'll try to encapsulate the changes for just the output
 * video format.
 *
 */
static struct regval_list sensor_fmt_yuv422_yuyv[] = {
//YCbYCr
};

static struct regval_list sensor_fmt_yuv422_yvyu[] = {
//YCrYCb
};

static struct regval_list sensor_fmt_yuv422_vyuy[] = {
//CrYCbY
};

static struct regval_list sensor_fmt_yuv422_uyvy[] = {
//CbYCrY
};

static struct regval_list sensor_fmt_raw[] = {

};


static int sensor_g_hflip(struct v4l2_subdev *sd, __s32 *value)
{
	return 0;
}

static int sensor_s_hflip(struct v4l2_subdev *sd, int value)
{
	struct sensor_info *info = to_state(sd);
	info->hflip = value;
	return 0;
}

static int sensor_g_vflip(struct v4l2_subdev *sd, __s32 *value)
{
	return 0;
}

static int sensor_s_vflip(struct v4l2_subdev *sd, int value)
{
	return 0;
}

static int sensor_g_autogain(struct v4l2_subdev *sd, __s32 *value)
{
	return -EINVAL;
}

static int sensor_s_autogain(struct v4l2_subdev *sd, int value)
{
	return -EINVAL;
}

static int sensor_g_autoexp(struct v4l2_subdev *sd, __s32 *value)
{
	return 0;
}

static int sensor_s_autoexp(struct v4l2_subdev *sd,
		enum v4l2_exposure_auto_type value)
{
	return 0;
}

static int sensor_g_autowb(struct v4l2_subdev *sd, int *value)
{
	return 0;
}

static int sensor_s_autowb(struct v4l2_subdev *sd, int value)
{
	return 0;
}

static int sensor_g_hue(struct v4l2_subdev *sd, __s32 *value)
{
	return -EINVAL;
}

static int sensor_s_hue(struct v4l2_subdev *sd, int value)
{
	return -EINVAL;
}

static int sensor_g_gain(struct v4l2_subdev *sd, __s32 *value)
{
	return -EINVAL;
}

static int sensor_s_gain(struct v4l2_subdev *sd, int value)
{
	return -EINVAL;
}
/* *********************************************end of ******************************************** */

static int sensor_g_brightness(struct v4l2_subdev *sd, __s32 *value)
{
	struct sensor_info *info = to_state(sd);

	*value = info->brightness;
	return 0;
}

static int sensor_s_brightness(struct v4l2_subdev *sd, int value)
{
	struct sensor_info *info = to_state(sd);

	if(info->brightness == value)
		return 0;

	if(value < -4 || value > 4)
		return -ERANGE;

	LOG_ERR_RET(sensor_write_array(sd, sensor_brightness[value+4].regs, sensor_brightness[value+4].size))

	info->brightness = value;
	return 0;
}

static int sensor_g_contrast(struct v4l2_subdev *sd, __s32 *value)
{
	struct sensor_info *info = to_state(sd);

	*value = info->contrast;
	return 0;
}

static int sensor_s_contrast(struct v4l2_subdev *sd, int value)
{
	struct sensor_info *info = to_state(sd);

	if(info->contrast == value)
		return 0;

	if(value < -4 || value > 4)
		return -ERANGE;

	LOG_ERR_RET(sensor_write_array(sd, sensor_contrast[value+4].regs, sensor_contrast[value+4].size))

	info->contrast = value;
	return 0;
}

static int sensor_g_saturation(struct v4l2_subdev *sd, __s32 *value)
{
	struct sensor_info *info = to_state(sd);

	*value = info->saturation;
	return 0;
}

static int sensor_s_saturation(struct v4l2_subdev *sd, int value)
{
	struct sensor_info *info = to_state(sd);

	if(info->saturation == value)
		return 0;

	if(value < -4 || value > 4)
		return -ERANGE;

	LOG_ERR_RET(sensor_write_array(sd, sensor_saturation[value+4].regs, sensor_saturation[value+4].size))

	info->saturation = value;
	return 0;
}

static int sensor_g_exp_bias(struct v4l2_subdev *sd, __s32 *value)
{
	struct sensor_info *info = to_state(sd);

	*value = info->exp_bias;
	return 0;
}

static int sensor_s_exp_bias(struct v4l2_subdev *sd, int value)
{
	struct sensor_info *info = to_state(sd);

	if(info->exp_bias == value)
		return 0;

	if(value < -4 || value > 4)
		return -ERANGE;

	LOG_ERR_RET(sensor_write_array(sd, sensor_ev[value+4].regs, sensor_ev[value+4].size))

	info->exp_bias = value;
	return 0;
}

static int sensor_g_wb(struct v4l2_subdev *sd, int *value)
{
	struct sensor_info *info = to_state(sd);
	enum v4l2_auto_n_preset_white_balance *wb_type = (enum v4l2_auto_n_preset_white_balance*)value;

	*wb_type = info->wb;

	return 0;
}

static int sensor_s_wb(struct v4l2_subdev *sd,
    enum v4l2_auto_n_preset_white_balance value)
{
	struct sensor_info *info = to_state(sd);

	if(info->capture_mode == V4L2_MODE_IMAGE)
		return 0;

	if(info->wb == value)
		return 0;
	LOG_ERR_RET(sensor_write_array(sd, sensor_wb[value].regs ,sensor_wb[value].size) )

	if (value == V4L2_WHITE_BALANCE_AUTO) 
		info->autowb = 1;
	else
		info->autowb = 0;

	info->wb = value;
	return 0;
}

static int sensor_g_colorfx(struct v4l2_subdev *sd,
		__s32 *value)
{
	struct sensor_info *info = to_state(sd);
	enum v4l2_colorfx *clrfx_type = (enum v4l2_colorfx*)value;

	*clrfx_type = info->clrfx;
	return 0;
}

static int sensor_s_colorfx(struct v4l2_subdev *sd,
    enum v4l2_colorfx value)
{
	struct sensor_info *info = to_state(sd);

	if(info->clrfx == value)
		return 0;

	LOG_ERR_RET(sensor_write_array(sd, sensor_colorfx[value].regs, sensor_colorfx[value].size))

	info->clrfx = value;
	return 0;
}

static int sensor_g_flash_mode(struct v4l2_subdev *sd,
    __s32 *value)
{
	struct sensor_info *info = to_state(sd);
	enum v4l2_flash_led_mode *flash_mode = (enum v4l2_flash_led_mode*)value;

	*flash_mode = info->flash_mode;
	return 0;
}

static int sensor_s_flash_mode(struct v4l2_subdev *sd,
    enum v4l2_flash_led_mode value)
{
	struct sensor_info *info = to_state(sd);

	info->flash_mode = value;
	return 0;
}

/*
 * Stuff that knows about the sensor.
 */
 static int sensor_power(struct v4l2_subdev *sd, int on)
{
	cci_lock(sd);
	switch(on)
	{
		case CSI_SUBDEV_STBY_ON:
			vfe_dev_dbg("CSI_SUBDEV_STBY_ON\n");
			vfe_gpio_write(sd,PWDN,CSI_GPIO_HIGH);
			usleep_range(30000,31000);
			vfe_set_mclk(sd,OFF);
			break;
		case CSI_SUBDEV_STBY_OFF:
			vfe_dev_dbg("CSI_SUBDEV_STBY_OFF\n");
			vfe_set_mclk_freq(sd,MCLK);
			vfe_set_mclk(sd,ON);
			usleep_range(30000,31000);
			vfe_gpio_write(sd,PWDN,CSI_GPIO_LOW);
			usleep_range(10000,12000);
			break;
		case CSI_SUBDEV_PWR_ON:
			vfe_dev_dbg("CSI_SUBDEV_PWR_ON\n");
			vfe_gpio_set_status(sd,PWDN,1);//set the gpio to output
			vfe_gpio_set_status(sd,RESET,1);//set the gpio to output
			usleep_range(10000,12000);
			vfe_gpio_write(sd,PWDN,CSI_GPIO_HIGH);
			vfe_gpio_write(sd,RESET,CSI_GPIO_LOW);
			vfe_gpio_write(sd,POWER_EN,CSI_GPIO_HIGH);
			vfe_set_pmu_channel(sd,IOVDD,ON);
			vfe_set_pmu_channel(sd,AVDD,ON);
			vfe_set_pmu_channel(sd,DVDD,ON);
			vfe_set_pmu_channel(sd,AFVDD,ON);
			usleep_range(20000,22000);
			vfe_gpio_write(sd,PWDN,CSI_GPIO_LOW);
			usleep_range(10000,12000);
			vfe_set_mclk_freq(sd,MCLK);
			vfe_set_mclk(sd,ON);
			usleep_range(10000,12000);
			vfe_gpio_write(sd,RESET,CSI_GPIO_LOW);
			usleep_range(30000,31000);
			vfe_gpio_write(sd,RESET,CSI_GPIO_HIGH);
			usleep_range(30000,31000);
			break;
		case CSI_SUBDEV_PWR_OFF:
			vfe_dev_dbg("CSI_SUBDEV_PWR_OFF\n");
			usleep_range(10000,12000);
			vfe_gpio_write(sd,RESET,CSI_GPIO_LOW);
			usleep_range(10000,12000);
			vfe_set_mclk(sd,OFF);
			vfe_gpio_write(sd,POWER_EN,CSI_GPIO_LOW);
			vfe_set_pmu_channel(sd,AFVDD,OFF);
			vfe_set_pmu_channel(sd,DVDD,OFF);
			vfe_set_pmu_channel(sd,AVDD,OFF);
			vfe_set_pmu_channel(sd,IOVDD,OFF);  
			usleep_range(10000,12000);
			vfe_gpio_write(sd,PWDN,CSI_GPIO_HIGH);
			usleep_range(10000,12000);
			vfe_gpio_set_status(sd,RESET,0);//set the gpio to input
			vfe_gpio_set_status(sd,PWDN,0);//set the gpio to input
			break;
		default:
			return -EINVAL;
	}
	cci_unlock(sd);
	return 0;
}

static int sensor_reset(struct v4l2_subdev *sd, u32 val)
{
	switch(val)
	{
		case 0:
			vfe_gpio_write(sd,RESET,CSI_GPIO_HIGH);
			usleep_range(10000,12000);
			break;
		case 1:
			vfe_gpio_write(sd,RESET,CSI_GPIO_LOW);
			usleep_range(10000,12000);
			break;
		default:
			return -EINVAL;
	}
	return 0;
}

static int sensor_detect(struct v4l2_subdev *sd)
{
	int ret;
	data_type val;
	
	ret = sensor_read(sd, 0xfc, &val);
	if (ret < 0) {
		vfe_dev_err("sensor_read err at sensor_detect!\n");
		return ret;
	}

	if(val != 0x3a)
		return -ENODEV;
	
	return 0;
}

static int sensor_init(struct v4l2_subdev *sd, u32 val)
{
	int ret;
	vfe_dev_dbg("sensor_init\n");

	/*Make sure it is a target sensor*/
	ret = sensor_detect(sd);
	if (ret) {
		vfe_dev_err("chip found is not an target chip.\n");
		return ret;
	}
	sensor_write_array(sd, sensor_default_regs_24M , ARRAY_SIZE(sensor_default_regs_24M));
	return sensor_write_array(sd, sensor_default_regs , ARRAY_SIZE(sensor_default_regs));
}

static long sensor_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
	int ret=0;
	return ret;
}


/*
 * Store information about the video data format.
 */
static struct sensor_format_struct {
	__u8 *desc;
	//__u32 pixelformat;
	enum v4l2_mbus_pixelcode mbus_code;//linux-3.0
	struct regval_list *regs;
	int	regs_size;
	int bpp;   /* Bytes per pixel */
} sensor_formats[] = {
	{
		.desc		= "YUYV 4:2:2",
		.mbus_code	= V4L2_MBUS_FMT_YUYV8_2X8,//linux-3.0
		.regs 		= sensor_fmt_yuv422_yuyv,
		.regs_size = ARRAY_SIZE(sensor_fmt_yuv422_yuyv),
		.bpp		= 2,
	},
	{
		.desc		= "YVYU 4:2:2",
		.mbus_code	= V4L2_MBUS_FMT_YVYU8_2X8,//linux-3.0
		.regs 		= sensor_fmt_yuv422_yvyu,
		.regs_size = ARRAY_SIZE(sensor_fmt_yuv422_yvyu),
		.bpp		= 2,
	},
	{
		.desc		= "UYVY 4:2:2",
		.mbus_code	= V4L2_MBUS_FMT_UYVY8_2X8,//linux-3.0
		.regs 		= sensor_fmt_yuv422_uyvy,
		.regs_size = ARRAY_SIZE(sensor_fmt_yuv422_uyvy),
		.bpp		= 2,
	},
	{
		.desc		= "VYUY 4:2:2",
		.mbus_code	= V4L2_MBUS_FMT_VYUY8_2X8,//linux-3.0
		.regs 		= sensor_fmt_yuv422_vyuy,
		.regs_size = ARRAY_SIZE(sensor_fmt_yuv422_vyuy),
		.bpp		= 2,
	},
	{
		.desc		= "Raw RGB Bayer",
		.mbus_code	= V4L2_MBUS_FMT_SBGGR8_1X8,//linux-3.0
		.regs 		= sensor_fmt_raw,
		.regs_size = ARRAY_SIZE(sensor_fmt_raw),
		.bpp		= 1
	},
};
#define N_FMTS ARRAY_SIZE(sensor_formats)


/*
 * Then there is the issue of window sizes.  Try to capture the info here.
 */
static struct sensor_win_size
sensor_win_sizes[] = {
	/* VGA */
	{
		.width      = VGA_WIDTH,
		.height     = VGA_HEIGHT,
		.hoffset    = 0,
		.voffset    = 0,
		.regs       = NULL,
		.regs_size  = 0,
		.set_size   = NULL,
	},
};

#define N_WIN_SIZES (ARRAY_SIZE(sensor_win_sizes))

static int sensor_enum_fmt(struct v4l2_subdev *sd, unsigned index,
                 enum v4l2_mbus_pixelcode *code)
{
	if (index >= N_FMTS)
		return -EINVAL;

	*code = sensor_formats[index].mbus_code;
	return 0;
}

static int sensor_enum_size(struct v4l2_subdev *sd,
                            struct v4l2_frmsizeenum *fsize)
{
	if(fsize->index > N_WIN_SIZES-1)
		return -EINVAL;

	fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
	fsize->discrete.width = sensor_win_sizes[fsize->index].width;
	fsize->discrete.height = sensor_win_sizes[fsize->index].height;

	return 0;
}


static int sensor_try_fmt_internal(struct v4l2_subdev *sd,
    struct v4l2_mbus_framefmt *fmt,
    struct sensor_format_struct **ret_fmt,
    struct sensor_win_size **ret_wsize)
{
	int index;
	struct sensor_win_size *wsize;

	for (index = 0; index < N_FMTS; index++)
		if (sensor_formats[index].mbus_code == fmt->code)
			break;

	if (index >= N_FMTS) 
		return -EINVAL;

	if (ret_fmt != NULL)
		*ret_fmt = sensor_formats + index;
    
	/*
	* Fields: the sensor devices claim to be progressive.
	*/
	fmt->field = V4L2_FIELD_NONE;

	/*
	* Round requested image size down to the nearest
	* we support, but not below the smallest.
	*/
	for (wsize = sensor_win_sizes; wsize < sensor_win_sizes + N_WIN_SIZES; wsize++)
		if (fmt->width >= wsize->width && fmt->height >= wsize->height)
			break;

	if (wsize >= sensor_win_sizes + N_WIN_SIZES)
		wsize--;   /* Take the smallest one */
	if (ret_wsize != NULL)
		*ret_wsize = wsize;
	/*
	* Note the size we'll actually handle.
	*/
	fmt->width = wsize->width;
	fmt->height = wsize->height;

	return 0;
}

static int sensor_try_fmt(struct v4l2_subdev *sd,
             struct v4l2_mbus_framefmt *fmt)//linux-3.0
{
	return sensor_try_fmt_internal(sd, fmt, NULL, NULL);
}

static int sensor_g_mbus_config(struct v4l2_subdev *sd,
           struct v4l2_mbus_config *cfg)
{
	cfg->type = V4L2_MBUS_PARALLEL;
	cfg->flags = V4L2_MBUS_MASTER | VREF_POL | HREF_POL | CLK_POL ;

	return 0;
}

/*
 * Set a format.
 */
static int sensor_s_fmt(struct v4l2_subdev *sd,
             struct v4l2_mbus_framefmt *fmt)//linux-3.0
{
	int ret;
	struct sensor_format_struct *sensor_fmt;
	struct sensor_win_size *wsize;
	struct sensor_info *info = to_state(sd);
	vfe_dev_dbg("sensor_s_fmt\n");
	ret = sensor_try_fmt_internal(sd, fmt, &sensor_fmt, &wsize);
	if (ret)
		return ret;


	sensor_write_array(sd, sensor_fmt->regs , sensor_fmt->regs_size);

	ret = 0;
	if (wsize->regs)
	{
		ret = sensor_write_array(sd, wsize->regs , wsize->regs_size);
		if (ret < 0)
			return ret;
	}

	if (wsize->set_size)
	{
		ret = wsize->set_size(sd);
		if (ret < 0)
			return ret;
	}

	info->fmt = sensor_fmt;
	info->width = wsize->width;
	info->height = wsize->height;

	return 0;
}

/*
 * Implement G/S_PARM.  There is a "high quality" mode we could try
 * to do someday; for now, we just do the frame rate tweak.
 */
static int sensor_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
{
	struct v4l2_captureparm *cp = &parms->parm.capture;
	//struct sensor_info *info = to_state(sd);

	if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
		return -EINVAL;

	memset(cp, 0, sizeof(struct v4l2_captureparm));
	cp->capability = V4L2_CAP_TIMEPERFRAME;
	cp->timeperframe.numerator = 1;
	cp->timeperframe.denominator = SENSOR_FRAME_RATE;

	return 0;
}

static int sensor_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
{
	return 0;
}


/*
 * Code for dealing with controls.
 * fill with different sensor module
 * different sensor module has different settings here
 * if not support the follow function ,retrun -EINVAL
 */

/* *********************************************begin of ******************************************** */
static int sensor_queryctrl(struct v4l2_subdev *sd,
		struct v4l2_queryctrl *qc)
{
	/* Fill in min, max, step and default value for these controls. */
	/* see include/linux/videodev2.h for details */
	/* see sensor_s_parm and sensor_g_parm for the meaning of value */

	switch (qc->id) {
//	case V4L2_CID_BRIGHTNESS:
//		return v4l2_ctrl_query_fill(qc, -4, 4, 1, 1);
//	case V4L2_CID_CONTRAST:
//		return v4l2_ctrl_query_fill(qc, -4, 4, 1, 1);
//	case V4L2_CID_SATURATION:
//		return v4l2_ctrl_query_fill(qc, -4, 4, 1, 1);
//	case V4L2_CID_HUE:
//		return v4l2_ctrl_query_fill(qc, -180, 180, 5, 0);
	case V4L2_CID_VFLIP:
	case V4L2_CID_HFLIP:
		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
//	case V4L2_CID_GAIN:
//		return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
//	case V4L2_CID_AUTOGAIN:
//		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
	case V4L2_CID_EXPOSURE:
	case V4L2_CID_AUTO_EXPOSURE_BIAS:
		return v4l2_ctrl_query_fill(qc, -4, 4, 1, 0);
	case V4L2_CID_EXPOSURE_AUTO:
		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
		return v4l2_ctrl_query_fill(qc, 0, 9, 1, 1);
	case V4L2_CID_AUTO_WHITE_BALANCE:
		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
	case V4L2_CID_COLORFX:
		return v4l2_ctrl_query_fill(qc, 0, 15, 1, 0);
	case V4L2_CID_FLASH_LED_MODE:
		return v4l2_ctrl_query_fill(qc, 0, 4, 1, 0);	
	}
	return -EINVAL;
}


static int sensor_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
	switch (ctrl->id) {
	case V4L2_CID_BRIGHTNESS:
		return sensor_g_brightness(sd, &ctrl->value);
	case V4L2_CID_CONTRAST:
		return sensor_g_contrast(sd, &ctrl->value);
	case V4L2_CID_SATURATION:
		return sensor_g_saturation(sd, &ctrl->value);
	case V4L2_CID_HUE:
		return sensor_g_hue(sd, &ctrl->value);
	case V4L2_CID_VFLIP:
		return sensor_g_vflip(sd, &ctrl->value);
	case V4L2_CID_HFLIP:
		return sensor_g_hflip(sd, &ctrl->value);
	case V4L2_CID_GAIN:
		return sensor_g_gain(sd, &ctrl->value);
	case V4L2_CID_AUTOGAIN:
		return sensor_g_autogain(sd, &ctrl->value);
	case V4L2_CID_EXPOSURE:
	case V4L2_CID_AUTO_EXPOSURE_BIAS:
		return sensor_g_exp_bias(sd, &ctrl->value);
	case V4L2_CID_EXPOSURE_AUTO:
		return sensor_g_autoexp(sd, &ctrl->value);
	case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
		return sensor_g_wb(sd, &ctrl->value);
	case V4L2_CID_AUTO_WHITE_BALANCE:
		return sensor_g_autowb(sd, &ctrl->value);
	case V4L2_CID_COLORFX:
		return sensor_g_colorfx(sd, &ctrl->value);
	case V4L2_CID_FLASH_LED_MODE:
		return sensor_g_flash_mode(sd, &ctrl->value);
	}
	return -EINVAL;
}

static int sensor_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
	struct v4l2_queryctrl qc;
	int ret;

	qc.id = ctrl->id;
	ret = sensor_queryctrl(sd, &qc);
	if (ret < 0) {
		return ret;
	}

	if (qc.type == V4L2_CTRL_TYPE_MENU ||
		qc.type == V4L2_CTRL_TYPE_INTEGER ||
		qc.type == V4L2_CTRL_TYPE_BOOLEAN)
	{
		if (ctrl->value < qc.minimum || ctrl->value > qc.maximum) {
			return -ERANGE;
		}
	}
	switch (ctrl->id) {
	case V4L2_CID_BRIGHTNESS:
		return sensor_s_brightness(sd, ctrl->value);
	case V4L2_CID_CONTRAST:
		return sensor_s_contrast(sd, ctrl->value);
	case V4L2_CID_SATURATION:
		return sensor_s_saturation(sd, ctrl->value);
	case V4L2_CID_HUE:
		return sensor_s_hue(sd, ctrl->value);
	case V4L2_CID_VFLIP:
		return sensor_s_vflip(sd, ctrl->value);
	case V4L2_CID_HFLIP:
		return sensor_s_hflip(sd, ctrl->value);
	case V4L2_CID_GAIN:
		return sensor_s_gain(sd, ctrl->value);
	case V4L2_CID_AUTOGAIN:
		return sensor_s_autogain(sd, ctrl->value);
	case V4L2_CID_EXPOSURE:
    case V4L2_CID_AUTO_EXPOSURE_BIAS:
		return sensor_s_exp_bias(sd, ctrl->value);
    case V4L2_CID_EXPOSURE_AUTO:
		return sensor_s_autoexp(sd, (enum v4l2_exposure_auto_type) ctrl->value);
    case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
  		return sensor_s_wb(sd, (enum v4l2_auto_n_preset_white_balance) ctrl->value); 
    case V4L2_CID_AUTO_WHITE_BALANCE:
		return sensor_s_autowb(sd, ctrl->value);
    case V4L2_CID_COLORFX:
		return sensor_s_colorfx(sd, (enum v4l2_colorfx) ctrl->value);
    case V4L2_CID_FLASH_LED_MODE:
		return sensor_s_flash_mode(sd, (enum v4l2_flash_led_mode) ctrl->value);
	}
	return -EINVAL;
}


static int sensor_g_chip_ident(struct v4l2_subdev *sd,
		struct v4l2_dbg_chip_ident *chip)
{
	struct i2c_client *client = v4l2_get_subdevdata(sd);

	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_SENSOR, 0);
}


/* ----------------------------------------------------------------------- */

static const struct v4l2_subdev_core_ops sensor_core_ops = {
	.g_chip_ident = sensor_g_chip_ident,
	.g_ctrl = sensor_g_ctrl,
	.s_ctrl = sensor_s_ctrl,
	.queryctrl = sensor_queryctrl,
	.reset = sensor_reset,
	.init = sensor_init,
	.s_power = sensor_power,
	.ioctl = sensor_ioctl,
};

static const struct v4l2_subdev_video_ops sensor_video_ops = {
	.enum_mbus_fmt = sensor_enum_fmt,
	.enum_framesizes = sensor_enum_size,
	.try_mbus_fmt = sensor_try_fmt,
	.s_mbus_fmt = sensor_s_fmt,
	.s_parm = sensor_s_parm,
	.g_parm = sensor_g_parm,
	.g_mbus_config = sensor_g_mbus_config,
};

static const struct v4l2_subdev_ops sensor_ops = {
	.core = &sensor_core_ops,
	.video = &sensor_video_ops,
};

/* ----------------------------------------------------------------------- */
static struct cci_driver cci_drv = {
	.name = SENSOR_NAME,
	.addr_width = CCI_BITS_8,
	.data_width = CCI_BITS_8,
};

static int sensor_probe(struct i2c_client *client,
			const struct i2c_device_id *id)
{
	struct v4l2_subdev *sd;
	struct sensor_info *info;
	info = kzalloc(sizeof(struct sensor_info), GFP_KERNEL);
	if (info == NULL)
		return -ENOMEM;
	sd = &info->sd;
	cci_dev_probe_helper(sd, client, &sensor_ops, &cci_drv);
	info->fmt = &sensor_formats[0];
	info->brightness = 0;
	info->contrast = 0;
	info->saturation = 0;
	info->hue = 0;
	info->hflip = 0;
	info->vflip = 0;
	info->gain = 0;
	info->autogain = 1;
	info->exp = 0;
	info->autoexp = 0;
	info->autowb = 1;
	info->wb = 0;
	info->clrfx = 0;

	return 0;
}


static int sensor_remove(struct i2c_client *client)
{
	struct v4l2_subdev *sd;

	sd = cci_dev_remove_helper(client, &cci_drv);
	kfree(to_state(sd));
	return 0;
}

static const struct i2c_device_id sensor_id[] = {
	{ SENSOR_NAME, 0 },
	{ }
};
MODULE_DEVICE_TABLE(i2c, sensor_id);
static struct i2c_driver sensor_driver = {
	.driver = {
		.owner = THIS_MODULE,
		.name = SENSOR_NAME,
	},
	.probe = sensor_probe,
	.remove = sensor_remove,
	.id_table = sensor_id,
};

static __init int init_sensor(void)
{
	return cci_dev_init_helper(&sensor_driver);
}

static __exit void exit_sensor(void)
{
	cci_dev_exit_helper(&sensor_driver);
}

module_init(init_sensor);
module_exit(exit_sensor);