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oleavr-rgl-a500-mini-linux-.../drivers/media/platform/sunxi-vfe/device/ar0330.c
Ole André Vadla Ravnås 169c65d57e Initial commit
2022-05-07 01:01:45 +02:00

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/*
* A V4L2 driver for AR0330 Raw 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("Chomoly");
MODULE_DESCRIPTION("A low-level driver for Aptina ar0330 Raw sensors");
MODULE_LICENSE("GPL");
//for internel driver debug
#define DEV_DBG_EN 0
#if(DEV_DBG_EN == 1)
#define vfe_dev_dbg(x,arg...) printk("[AR0330 Raw]"x,##arg)
#else
#define vfe_dev_dbg(x,arg...)
#endif
#define vfe_dev_err(x,arg...) printk("[AR0330 Raw]"x,##arg)
#define vfe_dev_print(x,arg...) printk("[AR0330 Raw]"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 0x0330
/*
* Our nominal (default) frame rate.
*/
#define SENSOR_FRAME_RATE 30
/*
* The ar0330 i2c address
*/
#define I2C_ADDR 0x20
#define SENSOR_NAME "ar0330"
//#define rev_1
//#define sequnser_a
//#define sequnser_b
//#define version_4
//static struct delayed_work sensor_s_ae_ratio_work;
static struct v4l2_subdev *glb_sd;
/*
* 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[] =
{
#ifdef sequnser_a
0x3064, 0x1802,
0x3078, 0x0001,
0x31E0, 0x0703,
0x306E, 0xFC10,
//0x300e, 0x0010,
0x30f0, 0x1200,
0x3072, 0x0000,
0x30BA, 0x002C,
0x30FE, 0x0080,
0x31E0, 0x0000,
//0x3ECE, 0x00FF,
0x3ED0, 0xE4F6,
0x3ED2, 0x0146,
0x3ED4, 0x8F6C,
0x3ED6, 0x66CC,
0x3ED8, 0x8C42,
0x3EDA, 0x8822,
0x3EDC, 0x2222,
0x3EDE, 0x22C0,
0x3EE0, 0x1500,
0x3EE6, 0x0080,
0x3EE8, 0x2027,
0x3EEA, 0x001D,
0x3F06, 0x046A,
0x301a, 0x10c8,
0x3088, 0x8000,
0x3086, 0x4540,
0x3086, 0x6134,
0x3086, 0x4A31,
0x3086, 0x4342,
0x3086, 0x4560,
0x3086, 0x2714,
0x3086, 0x3DFF,
0x3086, 0x3DFF,
0x3086, 0x3DEA,
0x3086, 0x2704,
0x3086, 0x3D10,
0x3086, 0x2705,
0x3086, 0x3D10,
0x3086, 0x2715,
0x3086, 0x3527,
0x3086, 0x053D,
0x3086, 0x1045,
0x3086, 0x4027,
0x3086, 0x0427,
0x3086, 0x143D,
0x3086, 0xFF3D,
0x3086, 0xFF3D,
0x3086, 0xEA62,
0x3086, 0x2728,
0x3086, 0x3627,
0x3086, 0x083D,
0x3086, 0x6444,
0x3086, 0x2C2C,
0x3086, 0x2C2C,
0x3086, 0x4B01,
0x3086, 0x432D,
0x3086, 0x4643,
0x3086, 0x1647,
0x3086, 0x435F,
0x3086, 0x4F50,
0x3086, 0x2604,
0x3086, 0x2684,
0x3086, 0x2027,
0x3086, 0xFC53,
0x3086, 0x0D5C,
0x3086, 0x0D60,
0x3086, 0x5754,
0x3086, 0x1709,
0x3086, 0x5556,
0x3086, 0x4917,
0x3086, 0x145C,
0x3086, 0x0945,
0x3086, 0x0045,
0x3086, 0x8026,
0x3086, 0xA627,
0x3086, 0xF817,
0x3086, 0x0227,
0x3086, 0xFA5C,
0x3086, 0x0B5F,
0x3086, 0x5307,
0x3086, 0x5302,
0x3086, 0x4D28,
0x3086, 0x6C4C,
0x3086, 0x0928,
0x3086, 0x2C28,
0x3086, 0x294E,
0x3086, 0x1718,
0x3086, 0x26A2,
0x3086, 0x5C03,
0x3086, 0x1744,
0x3086, 0x2809,
0x3086, 0x27F2,
0x3086, 0x1714,
0x3086, 0x2808,
0x3086, 0x164D,
0x3086, 0x1A26,
0x3086, 0x8317,
0x3086, 0x0145,
0x3086, 0xA017,
0x3086, 0x0727,
0x3086, 0xF317,
0x3086, 0x2945,
0x3086, 0x8017,
0x3086, 0x0827,
0x3086, 0xF217,
0x3086, 0x285D,
0x3086, 0x27FA,
0x3086, 0x170E,
0x3086, 0x2681,
0x3086, 0x5300,
0x3086, 0x17E6,
0x3086, 0x5302,
0x3086, 0x1710,
0x3086, 0x2683,
0x3086, 0x2682,
0x3086, 0x4827,
0x3086, 0xF24D,
0x3086, 0x4E28,
0x3086, 0x094C,
0x3086, 0x0B17,
0x3086, 0x6D28,
0x3086, 0x0817,
0x3086, 0x014D,
0x3086, 0x1A17,
0x3086, 0x0126,
0x3086, 0x035C,
0x3086, 0x0045,
0x3086, 0x4027,
0x3086, 0x9017,
0x3086, 0x2A4A,
0x3086, 0x0A43,
0x3086, 0x160B,
0x3086, 0x4327,
0x3086, 0x9445,
0x3086, 0x6017,
0x3086, 0x0727,
0x3086, 0x9517,
0x3086, 0x2545,
0x3086, 0x4017,
0x3086, 0x0827,
0x3086, 0x905D,
0x3086, 0x2808,
0x3086, 0x530D,
0x3086, 0x2645,
0x3086, 0x5C01,
0x3086, 0x2798,
0x3086, 0x4B12,
0x3086, 0x4452,
0x3086, 0x5117,
0x3086, 0x0260,
0x3086, 0x184A,
0x3086, 0x0343,
0x3086, 0x1604,
0x3086, 0x4316,
0x3086, 0x5843,
0x3086, 0x1659,
0x3086, 0x4316,
0x3086, 0x5A43,
0x3086, 0x165B,
0x3086, 0x4327,
0x3086, 0x9C45,
0x3086, 0x6017,
0x3086, 0x0727,
0x3086, 0x9D17,
0x3086, 0x2545,
0x3086, 0x4017,
0x3086, 0x1027,
0x3086, 0x9817,
0x3086, 0x2022,
0x3086, 0x4B12,
0x3086, 0x442C,
0x3086, 0x2C2C,
0x3086, 0x2C00,
/*
*
*pll setting
*
*/
{0x301a,0x10c0},
{0x302A, 0x0006},
{0x302C, 0x0001},
{0x302E, 0x0004},
{0x3030, 0x0062},
{0x3036, 0x0006},
{0x3038, 0x0001},
{0x31ac, 0x0c0c},
{0x301a,0x10d0},
//{0x301a,0x10d8},
#endif
#ifdef sequnser_b
0x3064, 0x1802,
0x3078, 0x0001,
0x31E0, 0x0703,
0x306E, 0xFC10,
//0x300e, 0x0010,
0x30f0, 0x1208,
0x3072, 0x0000,
0x30BA, 0x002C,
0x30FE, 0x0080,
0x31E0, 0x0000,
0x3ECE, 0x00FF,
0x3ED0, 0xE4F6,
0x3ED2, 0x0146,
0x3ED4, 0x8F6C,
0x3ED6, 0x66CC,
0x3ED8, 0x8C42,
0x3EDA, 0x889b,
0x3EDC, 0x8863,
0x3EDE, 0xaa04,
0x3EE0, 0x15f0,
0x3EE6, 0x008c,
0x3EE8, 0x2024,
0x3EEA, 0xff1f,
0x3F06, 0x046A,
0x301a, 0x10c8,
#endif
#ifdef version_4
0x30f0, 0x1200,
0x3072, 0x0007,
0x3ED2, 0x0146,
0x3ED6, 0x66CC,
0x3ED8, 0x8C42,
{0x3064,0x1802},
{0x3078,0x0001},
{0x31E0,0x0703},
{0x306E,0xFC10},
{0x305e,0x0080},
{0x3ed2,0x0146},
{0x301e,0x0100},
/*
*
*pll setting
*
*/
{0x301a,0x10c0},
{0x302A, 0x0006},
{0x302C, 0x0001},
{0x302E, 0x0004},
{0x3030, 0x0062},
{0x3036, 0x0006},
{0x3038, 0x0001},
{0x31ac, 0x0c0c},
{0x301a,0x10d0},
//{0x301a,0x10d8},
#endif
{0x30f0, 0x1208},
{0x3072, 0x0008},
{0x3064,0x1802},
{0x3078,0x0001},
{0x31E0,0x0703},
{0x306E,0xFC10},
{0x305e,0x00a0},//global gain
{0x3ed2,0x0146},
{0x3eda,0x88bc},
{0x3edc,0xaa63},//last modified
{0x301e,0x0100},
/*
*
*pll setting
*
*/
{0x301a,0x10c0},
{0x302A, 0x0006},
{0x302C, 0x0001},
{0x302E, 0x0004},
{0x3030, 0x0062},
{0x3036, 0x0006},
{0x3038, 0x0001},
{0x31ac, 0x0c0c},
{0x301a,0x10d0},
//{0x301a,0x10d8},
};
static struct regval_list sensor_1080p_regs[] = { //1080: 1920*1080@30fps EIS
/*for 1080P*/
/* 2304*1296 */
{0x301a,0x10d0},
{0x31AE,0x0301},
{0x3004,0x0006},
{0x3008,0x0905},
{0x3002,0x0078},
{0x3006,0x0587},
//{0x301A,0x10dc},
{0x30A2,0x0001},
{0x30A6,0x0001},
{0x3040,0x0000},
{0x300c,0x04e0},
{0x300A,0x051C},
//{0x300A,0x028e},
{0x3014,0x0000},
//{0x3012,0x051B},
{0x3042,0x0000},
{0x30BA,0x002c},
//{0x3088,0x80BA},
//{0x3086,0xE653},
{0x301A,0x10d4}
};
static struct regval_list sensor_720p_regs[] = { //720: 1280*720@60fps
{0x301a,0x10d8},
{0x31AE,0x0301},
{0x3004,0x0200},
{0x3008,0x06ff},
{0x3002,0x019c},
{0x3006,0x046b},
//{0x301A,0x10dc},
{0x30A2,0x0001},
{0x30A6,0x0001},
{0x3040,0x0000},
{0x300c,0x03f6},
{0x300A,0x0314},
//{0x300A,0x028e},
{0x3014,0x0000},
{0x3012,0x0311},
{0x3042,0x03c8},
{0x30BA,0x006c},
{0x3088,0x80BA},
{0x3086,0x0253},
//{0x3086,0x0253},
{0x301A,0x10dc}
};
static struct regval_list sensor_vga_regs[] = { //VGA: 640*480
//DVP_VGA_60fps
{0x301a,0x10d8},
{0x31AE,0x0301},
{0x3004,0x00c0},
{0x3008,0x083f},
{0x3002,0x0030},
{0x3006,0x05cf},
//{0x301A,0x10dc},
{0x30A2,0x0005},
{0x30A6,0x0005},
{0x3040,0x0000},
{0x300c,0x04da},
{0x300A,0x0291},
//{0x300A,0x028e},
{0x3014,0x0000},
{0x3012,0x0290},
{0x3042,0x02a1},
{0x30BA,0x002c},
{0x3088,0x80BA},
{0x3086,0xe653},
//{0x3086,0x0253},
{0x301A,0x10dc}
};
/*
* Here we'll try to encapsulate the changes for just the output
* video format.
*
*/
static struct regval_list sensor_fmt_raw[] = {
//{REG_TERM,VAL_TERM},
};
/*
* 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
*/
static int sensor_g_exp(struct v4l2_subdev *sd, __s32 *value)
{
struct sensor_info *info = to_state(sd);
*value = info->exp;
vfe_dev_dbg("sensor_get_exposure = %d\n", info->exp);
return 0;
}
static int sensor_s_exp(struct v4l2_subdev *sd, unsigned int exp_val)
{
struct sensor_info *info = to_state(sd);
vfe_dev_dbg("sensor_set_exposure = %d\n", exp_val);
if(exp_val>0xffffff)
exp_val=0xfffff0;
if(exp_val<16)
exp_val=16;
exp_val=(exp_val)>>4;//rounding to 1
sensor_write(sd, 0x3012,exp_val);//coarse integration time
info->exp = exp_val;
return 0;
}
static int sensor_g_gain(struct v4l2_subdev *sd, __s32 *value)
{
struct sensor_info *info = to_state(sd);
*value = info->gain;
vfe_dev_dbg("sensor_get_gain = %d\n", info->gain);
return 0;
}
static int sensor_s_gain(struct v4l2_subdev *sd, int gain_val)
{
struct sensor_info *info = to_state(sd);
unsigned short tmp_gain = 0;
if (gain_val < 16)
gain_val = 16;
if (16<= gain_val*100 && gain_val*100 < (103*16) )
sensor_write(sd,0x3060,0x0000);
else if ((103*16) <= gain_val*100 && gain_val*100 < (107*16))
sensor_write(sd,0x3060,0x0001);
else if ((107*16) <= gain_val*100 && gain_val*100 < (110*16))
sensor_write(sd,0x3060,0x0002);
else if ((110*16) <= gain_val*100 && gain_val*100 < (114*16))
sensor_write(sd,0x3060,0x0003);
else if ((114*16) <= gain_val*100 && gain_val*100 < (119*16))
sensor_write(sd,0x3060,0x0004);
else if ((119*16) <= gain_val*100 && gain_val*100 < (123*16))
sensor_write(sd,0x3060,0x0005);
else if ((123*16) <= gain_val*100 && gain_val*100 < (128*16))
sensor_write(sd,0x3060,0x0006);
else if ((128*16) <= gain_val*100 && gain_val*100 < (133*16))
sensor_write(sd,0x3060,0x0007);
else if ((133*16) <= gain_val*100 && gain_val*100 < (139*16))
sensor_write(sd,0x3060,0x0008);
else if ((139*16) <= gain_val*100 && gain_val*100 < (145*16))
sensor_write(sd,0x3060,0x0009);
else if ((145*16) <= gain_val*100 && gain_val*100 < (152*16))
sensor_write(sd,0x3060,0x000a);
else if ((152*16) <= gain_val*100 && gain_val*100 < (160*16))
sensor_write(sd,0x3060,0x000b);
else if ((160*16) <= gain_val*100 && gain_val*100 < (168*16))
sensor_write(sd,0x3060,0x000c);
else if ((168*16) <= gain_val*100 && gain_val*100 < (178*16))
sensor_write(sd,0x3060,0x000d);
else if ((178*16) <= gain_val*100 && gain_val*100 < (188*16))
sensor_write(sd,0x3060,0x000e);
else if ((188*16) <= gain_val*100 && gain_val*100 < (200*16))
sensor_write(sd,0x3060,0x000f);
else if (200*16 <= gain_val*100 && gain_val*100 < (213*16))
sensor_write(sd,0x3060,0x0010);
else if ((213*16) <= gain_val*100 && gain_val*100 < (229*16))
sensor_write(sd,0x3060,0x0012);
else if ((229*16) <= gain_val*100 && gain_val*100 < (246*16))
sensor_write(sd,0x3060,0x0014);
else if ((246*16) <= gain_val*100 && gain_val*100 < (267*16))
sensor_write(sd,0x3060,0x0016);
else if ((267*16) <= gain_val*100 && gain_val*100 < (291*16))
sensor_write(sd,0x3060,0x0018);
else if ((291*16) <= gain_val*100 && gain_val*100 < (320*16))
sensor_write(sd,0x3060,0x001a);
else if ((320*16) <= gain_val*100 && gain_val*100 < (800*16))
{
tmp_gain = (2449700 + gain_val*564520 - gain_val*gain_val*1646)/1000000;
sensor_write(sd,0x3060,tmp_gain);
}
else if ((800*16) <= gain_val*100 )
sensor_write(sd,0x3060,0x0030);
//Digit Gain
if((1*16 <= gain_val) && (gain_val<= 8*16))
sensor_write(sd,0x305e, 128);
else if ((8*16 < gain_val) && (gain_val <= 10*16))
sensor_write(sd,0x305e, gain_val);
sensor_read(sd,0x3060,&tmp_gain);
info->gain = gain_val;
return 0;
}
static int ar0330_sensor_vts;
static int sensor_s_exp_gain(struct v4l2_subdev *sd, struct sensor_exp_gain *exp_gain)
{
int exp_val, gain_val,shutter,frame_length;
struct sensor_info *info = to_state(sd);
exp_val = exp_gain->exp_val;
gain_val = exp_gain->gain_val;
if(gain_val<1*16)
gain_val=16;
if(gain_val>64*16-1)
gain_val=64*16-1;
if(exp_val>0xfffff)
exp_val=0xfffff;
shutter = exp_val/16;
if(shutter > ar0330_sensor_vts - 4)
frame_length = shutter + 4;
else
frame_length = ar0330_sensor_vts;
printk("norm exp_val = %d,gain_val = %d\n",exp_val,gain_val);
sensor_write(sd, 0x300A,frame_length);//coarse integration time
sensor_s_exp(sd,exp_val);
sensor_s_gain(sd,gain_val);
info->exp = exp_val;
info->gain = gain_val;
return 0;
}
static int sensor_s_sw_stby(struct v4l2_subdev *sd, int on_off)
{
int ret ;
data_type rdtmp;
ret = sensor_read(sd,0x301a,&rdtmp);
if (ret!=0)
return ret;
if (on_off == 1)
sensor_write(sd,0x301a,(rdtmp & 0xfff8));
else
sensor_write(sd,0x301a,rdtmp );
return ret;
}
/*
* Stuff that knows about the sensor.
*/
static int sensor_power(struct v4l2_subdev *sd, int on)
{
int ret;
ret = 0;
switch(on)
{
case CSI_SUBDEV_STBY_ON:
vfe_dev_dbg("CSI_SUBDEV_STBY_ON!\n");
ret = sensor_s_sw_stby(sd, CSI_GPIO_HIGH);
if(ret < 0)
vfe_dev_err("soft stby falied!\n");
usleep_range(1000,1200);
cci_lock(sd);
vfe_set_mclk(sd,OFF);
cci_unlock(sd);
break;
case CSI_SUBDEV_STBY_OFF:
vfe_dev_dbg("CSI_SUBDEV_STBY_OFF!\n");
cci_lock(sd);
vfe_set_mclk_freq(sd,MCLK);
vfe_set_mclk(sd,ON);
usleep_range(1000,1200);
cci_unlock(sd);
ret = sensor_s_sw_stby(sd, CSI_GPIO_LOW);
if(ret < 0)
vfe_dev_err("soft stby off falied!\n");
usleep_range(1000,1200);
break;
case CSI_SUBDEV_PWR_ON:
vfe_dev_dbg("CSI_SUBDEV_PWR_ON!\n");
cci_lock(sd);
vfe_gpio_set_status(sd,RESET,1);//set the gpio to output
vfe_gpio_write(sd,RESET,CSI_GPIO_HIGH);
vfe_set_pmu_channel(sd,AVDD,ON);
vfe_set_pmu_channel(sd,DVDD,ON);
vfe_set_pmu_channel(sd,IOVDD,ON);
vfe_set_mclk_freq(sd,MCLK);
vfe_set_mclk(sd,ON);
vfe_gpio_write(sd,RESET,CSI_GPIO_LOW);
usleep_range(2000,2200);
vfe_gpio_write(sd,RESET,CSI_GPIO_HIGH);
usleep_range(6000,7000);
cci_unlock(sd);
break;
case CSI_SUBDEV_PWR_OFF:
vfe_dev_dbg("CSI_SUBDEV_PWR_OFF!\n");
cci_lock(sd);
vfe_gpio_set_status(sd,PWDN,1);//set the gpio to output
vfe_gpio_set_status(sd,RESET,1);//set the gpio to output
vfe_gpio_write(sd,POWER_EN,CSI_GPIO_LOW);
vfe_set_pmu_channel(sd,IOVDD,OFF);
vfe_set_pmu_channel(sd,DVDD,OFF);
vfe_set_pmu_channel(sd,AVDD,OFF);
vfe_set_mclk(sd,OFF);
vfe_gpio_set_status(sd,RESET,0);//set the gpio to input
vfe_gpio_set_status(sd,PWDN,0);//set the gpio to input
cci_unlock(sd);
break;
default:
return -EINVAL;
}
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)
{
unsigned short rdval = 0;
LOG_ERR_RET(sensor_read(sd, 0x3000, &rdval))
if(rdval != 0x2604)
{
printk(KERN_DEBUG"*********sensor error,read id is %x.\n",rdval);
return -ENODEV;
}
else
{
printk(KERN_DEBUG"*********find ar0330 raw data camera sensor now.\n");
return 0;
}
}
static int sensor_init(struct v4l2_subdev *sd, u32 val)
{
int ret;
struct sensor_info *info = to_state(sd);
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;
}
vfe_get_standby_mode(sd,&info->stby_mode);
if((info->stby_mode == HW_STBY || info->stby_mode == SW_STBY) \
&& info->init_first_flag == 0) {
vfe_dev_print("stby_mode and init_first_flag = 0\n");
return 0;
}
info->focus_status = 0;
info->low_speed = 0;
info->width = HD1080_WIDTH;
info->height = HD1080_HEIGHT;
info->hflip = 0;
info->vflip = 0;
info->gain = 0;
info->tpf.numerator = 1;
info->tpf.denominator = 30; /* 30fps */
sensor_write(sd,0x301a,0x00d9);
usleep_range(34000,35000);
sensor_write(sd,0x31ae,0x0301);
sensor_write(sd,0x301a,0x10d8);
usleep_range(34000,35000);
#ifdef rev_1
char tmpv=0;
sensor_write(sd,0x300e,0x10);
sensor_read(sd,0x300e,&tmpv);
printk("the 300e value is 0x%x\n",tmpv);
#endif
ret = sensor_write_array(sd, sensor_default_regs, ARRAY_SIZE(sensor_default_regs));
if(ret < 0) {
vfe_dev_err("write sensor_default_regs error\n");
return ret;
}
#ifdef sequnser_b
usleep_range(100000,105000);
ret = sensor_write_array(sd, default2, ARRAY_SIZE(default2));
if(ret < 0) {
vfe_dev_err("write default2 error\n");
return ret;
}
#endif
if(info->stby_mode == 0)
info->init_first_flag = 0;
info->preview_first_flag = 1;
return 0;
}
static long sensor_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
int ret=0;
struct sensor_info *info = to_state(sd);
switch(cmd) {
case GET_CURRENT_WIN_CFG:
if(info->current_wins != NULL)
{
memcpy( arg,
info->current_wins,
sizeof(struct sensor_win_size) );
ret=0;
}
else
{
vfe_dev_err("empty wins!\n");
ret=-1;
}
break;
case SET_FPS:
break;
case ISP_SET_EXP_GAIN:
ret = sensor_s_exp_gain(sd, (struct sensor_exp_gain *)arg);
break;
default:
return -EINVAL;
}
return ret;
}
/*
* Store information about the video data format.
*/
static struct sensor_format_struct {
__u8 *desc;
//__u32 pixelformat;
enum v4l2_mbus_pixelcode mbus_code;
struct regval_list *regs;
int regs_size;
int bpp; /* Bytes per pixel */
}sensor_formats[] = {
{
.desc = "Raw RGB Bayer",
.mbus_code = V4L2_MBUS_FMT_SGRBG12_12X1,
.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[] = {
/* qsxga: 2304*1296 */
{
.width = 2304,
.height = 1296,
.hoffset = 0,
.voffset = 0,
.hts = 2496,
.vts = 1308,
.pclk = 98*1000*1000,
.fps_fixed = 1,
.bin_factor = 1,
.intg_min = 1<<4,
.intg_max = 1900<<4,//1308<<4,
.gain_min = 1<<4,
.gain_max = 10<<4,
.regs = sensor_1080p_regs,
.regs_size = ARRAY_SIZE(sensor_1080p_regs),
.set_size = NULL,
},
/* 1080P */
{
.width = HD1080_WIDTH,
.height = HD1080_HEIGHT,
.hoffset = (2304-1920)/2,//57,
.voffset = (1296-1080)/2,//108,
.hts = 2496,//2484,//2497,
.vts = 1308,//1315,//1308,
.pclk = 98*1000*1000,
.fps_fixed = 1,
.bin_factor = 1,
.intg_min = 1<<4,
.intg_max = 1308<<4,//1308<<4,//1315<<4,//1308<<4,
.gain_min = 1<<4,
.gain_max = 10<<4,
.regs = sensor_1080p_regs,//
.regs_size = ARRAY_SIZE(sensor_1080p_regs),//
.set_size = NULL,
},
/* 720p */
{
.width = HD720_WIDTH,
.height = HD720_HEIGHT,
.hoffset = 0,
.voffset = 0,
.hts = 2028,
.vts = 788,
.pclk = 98*1000*1000,
.fps_fixed = 1,
.bin_factor = 1,
.intg_min = 1,
.intg_max = 788<<4,
.gain_min = 1<<4,
.gain_max = 8<<4,
.regs = sensor_720p_regs,//
.regs_size = ARRAY_SIZE(sensor_720p_regs),//
.set_size = NULL,
},
/* VGA */
{
.width = VGA_WIDTH,
.height = VGA_HEIGHT,
.hoffset = 0,
.voffset = 0,
.hts = 2484,//limited by sensor
.vts = 657,
.pclk = 98*1000*1000,
.fps_fixed = 1,
.bin_factor = 1,
.intg_min = 1,
.intg_max = 657<<4,
.gain_min = 1<<4,
.gain_max = 8<<4,
.regs = sensor_vga_regs,
.regs_size = ARRAY_SIZE(sensor_vga_regs),
.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;
struct sensor_info *info = to_state(sd);
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;
info->current_wins = wsize;
return 0;
}
static int sensor_try_fmt(struct v4l2_subdev *sd,
struct v4l2_mbus_framefmt *fmt)
{
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)
{
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;
if(info->capture_mode == V4L2_MODE_VIDEO)
{
//video
}
else if(info->capture_mode == V4L2_MODE_IMAGE)
{
//image
}
LOG_ERR_RET(sensor_write_array(sd, sensor_fmt->regs, sensor_fmt->regs_size))
ret = 0;
if (wsize->regs)
LOG_ERR_RET(sensor_write_array(sd, wsize->regs, wsize->regs_size))
if (wsize->set_size)
LOG_ERR_RET(wsize->set_size(sd))
info->fmt = sensor_fmt;
info->width = wsize->width;
info->height = wsize->height;
ar0330_sensor_vts = wsize->vts;
// show_regs_array(sd,sensor_1080p_regs);
vfe_dev_print("s_fmt set width = %d, height = %d\n",wsize->width,wsize->height);
if(info->capture_mode == V4L2_MODE_VIDEO)
{
//video
} else {
//capture image
}
//sensor_write_array(sd, sensor_oe_enable_regs, ARRAY_SIZE(sensor_oe_enable_regs));
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->capturemode = info->capture_mode;
return 0;
}
static int sensor_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
{
struct v4l2_captureparm *cp = &parms->parm.capture;
struct sensor_info *info = to_state(sd);
vfe_dev_dbg("sensor_s_parm\n");
if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (info->tpf.numerator == 0)
return -EINVAL;
info->capture_mode = cp->capturemode;
return 0;
}
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 */
switch (qc->id) {
case V4L2_CID_GAIN:
return v4l2_ctrl_query_fill(qc, 1*16, 16*9-1, 1, 16);
case V4L2_CID_EXPOSURE:
return v4l2_ctrl_query_fill(qc, 1, 65536*16, 1, 1);
case V4L2_CID_FRAME_RATE:
return v4l2_ctrl_query_fill(qc, 15, 120, 1, 30);
}
return -EINVAL;
}
static int sensor_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
switch (ctrl->id) {
case V4L2_CID_GAIN:
return sensor_g_gain(sd, &ctrl->value);
case V4L2_CID_EXPOSURE:
return sensor_g_exp(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 (ctrl->value < qc.minimum || ctrl->value > qc.maximum) {
vfe_dev_err("max gain qurery is %d,min gain qurey is %d\n",qc.maximum,qc.minimum);
return -ERANGE;
}
switch (ctrl->id) {
case V4L2_CID_GAIN:
return sensor_s_gain(sd, ctrl->value);
case V4L2_CID_EXPOSURE:
return sensor_s_exp(sd, 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_16,
.data_width = CCI_BITS_16,
};
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;
glb_sd = sd;
cci_dev_probe_helper(sd, client, &sensor_ops, &cci_drv);
info->fmt = &sensor_formats[0];
info->af_first_flag = 1;
info->init_first_flag = 1;
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);
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