971 lines
21 KiB
C
Executable file
971 lines
21 KiB
C
Executable file
/*
|
|
* A V4L2 driver for GalaxyCore gc2235 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 GalaxyCore gc2235 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("[GC2235]"x,##arg)
|
|
#else
|
|
#define vfe_dev_dbg(x,arg...)
|
|
#endif
|
|
#define vfe_dev_err(x,arg...) printk("[GC2235]"x,##arg)
|
|
#define vfe_dev_print(x,arg...) printk("[GC2235]"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 0x2235
|
|
|
|
/*
|
|
* Our nominal (default) frame rate.
|
|
*/
|
|
#define SENSOR_FRAME_RATE 19 //25//19//15//12//10
|
|
|
|
|
|
#define I2C_ADDR (0x78)
|
|
#define SENSOR_NAME "gc2235"
|
|
static struct v4l2_subdev *glb_sd;
|
|
static int sensor_s_exp_gain(struct v4l2_subdev *sd, struct sensor_exp_gain * exp_gain);
|
|
|
|
/*
|
|
* 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[] = {
|
|
//////////////////////////////////////////////////
|
|
/////////////////// SYS //////////////////////
|
|
//////////////////////////////////////////////////
|
|
{0xfe,0x80},
|
|
{0xfe,0x80},
|
|
{0xfe,0x80},
|
|
{0xf2,0x00}, //sync_pad_io_ebi
|
|
{0xf6,0x00}, //up down
|
|
{0xfc,0x06},
|
|
{0xf7,0x15}, //pll enable
|
|
|
|
{0xf8,0x83}, //Pll mode 2
|
|
#if SENSOR_FRAME_RATE == 25
|
|
{0xf8,0x85},
|
|
#endif
|
|
{0xf9,0xfe}, //[0] pll enable
|
|
{0xfa,0x00}, //div
|
|
{0xfe,0x00},
|
|
|
|
//////////////////////////////////////////////////
|
|
///////////// ANALOG & CISCTL ////////////////
|
|
//////////////////////////////////////////////////
|
|
/*NEW SETTINGS*/
|
|
{0x03,0x0a},
|
|
{0x04,0xec},
|
|
{0x05,0x00},
|
|
#if SENSOR_FRAME_RATE == 25
|
|
{0x03,0x05},
|
|
{0x04,0x08},
|
|
{0x05,0x01},
|
|
#endif
|
|
{0x17,0x15},//14 //[0]mirror [1]flip
|
|
{0x18,0x12},//1e
|
|
{0x19,0x06},
|
|
{0x1a,0x01},
|
|
{0x1b,0x48},
|
|
{0x1e,0x88},
|
|
{0x1f,0x48},
|
|
{0x20,0x03},
|
|
{0x21,0x6f},
|
|
{0x22,0x80},
|
|
{0x23,0xc1},
|
|
{0x24,0x2f},
|
|
{0x26,0x01},
|
|
{0x27,0x30},
|
|
{0x3f,0x00},
|
|
|
|
//////////////////////////////////////////////////
|
|
/////////////////// ISP //////////////////////
|
|
//////////////////////////////////////////////////
|
|
{0x8b,0xa0},
|
|
{0x8c,0xc7}, //hsync polarity
|
|
|
|
//////////////////////////////////////////////////
|
|
/////////////////// BLK //////////////////////
|
|
//////////////////////////////////////////////////
|
|
/****NEW SETTINGS***/
|
|
{0x40,0x72},
|
|
{0x41,0x04},
|
|
{0x5e,0x00},
|
|
{0x5f,0x00},
|
|
{0x60,0x00},
|
|
{0x61,0x00},
|
|
{0x62,0x00},
|
|
{0x63,0x00},
|
|
{0x64,0x00},
|
|
{0x65,0x00},
|
|
{0x66,0x20},
|
|
{0x67,0x20},
|
|
{0x68,0x20},
|
|
{0x69,0x20},
|
|
|
|
//////////////////////////////////////////////////
|
|
/////////////////// GAIN /////////////////////
|
|
//////////////////////////////////////////////////
|
|
{0xb2,0x00},
|
|
{0xb3,0x40},
|
|
{0xb4,0x40},
|
|
{0xb5,0x40},
|
|
|
|
//////////////////////////////////////////////////
|
|
///////////////// DARK SUN ///////////////////
|
|
//////////////////////////////////////////////////
|
|
//{0xbc ,0x00}, //dark sun_en
|
|
/*****NEW SETTINGS*****/
|
|
{0xb8,0x0f},
|
|
{0xb9,0x23},
|
|
{0xba,0xff},
|
|
{0xbc,0x00},
|
|
{0xbd,0x00},
|
|
{0xbe,0xff},
|
|
{0xbf,0x09},
|
|
|
|
//////////////////////////////////////////////////
|
|
/////////////////// MIPI /////////////////////
|
|
//////////////////////////////////////////////////
|
|
{0xfe,0x03},
|
|
{0x01,0x00},
|
|
{0x02,0x00},
|
|
{0x03,0x00},
|
|
{0x06,0x00},
|
|
{0x10,0x00},
|
|
{0x15,0x00},
|
|
{0xfe,0x00},
|
|
{0xf2,0x0f},
|
|
};
|
|
static struct regval_list sensor_uxga_regs[] = { //UXGA: 1600*1200
|
|
{0x06,0xd0},
|
|
#if SENSOR_FRAME_RATE == 19
|
|
{0x07,0x00},
|
|
{0x08,0x1a},//for 19fps
|
|
#endif
|
|
#if SENSOR_FRAME_RATE == 15
|
|
//{0x07,0x01},
|
|
//{0x08,0x70},//for 15fps
|
|
#endif
|
|
#if SENSOR_FRAME_RATE == 12
|
|
//{0x07,0x02},
|
|
//{0x08,0xfa},//for 12fps when PCLK=48MHz
|
|
{0x07,0x05},
|
|
{0x08,0xbf},//for 12fps when PCLK = 72MHz
|
|
#endif
|
|
#if SENSOR_FRAME_RATE == 10
|
|
{0x07,0x04},
|
|
{0x08,0x84},//for 10fps
|
|
#endif
|
|
#if SENSOR_FRAME_RATE == 25
|
|
{0x06,0x28},
|
|
{0x07,0x00},
|
|
{0x08,0x38},
|
|
#endif
|
|
|
|
{0x0a,0x02},
|
|
{0x0c,0x00},
|
|
{0x0d,0x04},
|
|
{0x0e,0xd0},
|
|
{0x0f,0x06},
|
|
{0x10,0x50},
|
|
|
|
{0x90,0x01},
|
|
{0x92,0x02}, //00/crop win y
|
|
{0x94,0x06}, //04/crop win x
|
|
{0x95,0x04}, //crop win height
|
|
{0x96,0xb0},
|
|
{0x97,0x06}, //crop win width
|
|
{0x98,0x40},
|
|
{0x03,0x01},
|
|
{0x04,0x24},
|
|
};
|
|
|
|
static struct regval_list sensor_720p_regs[] = { //1280*720
|
|
//{0x06,0x28},
|
|
{0x06,0xd0},
|
|
{0x07,0x00},
|
|
{0x08,0x1a},
|
|
//{0x0a,0xe0},
|
|
//{0x0c,0xa0},
|
|
{0x0a,0x00},
|
|
{0x0c,0x00},
|
|
//{0x0d,0x02},
|
|
//{0x0e,0xf0},
|
|
{0x0d,0x04},
|
|
{0x0e,0xb0},
|
|
{0x0f,0x06},
|
|
{0x10,0x50},
|
|
|
|
{0x90,0x01},
|
|
{0x92,0xa0}, //00/crop win y
|
|
{0x94,0xf0}, //04/crop win x
|
|
{0x95,0x02}, //crop win height
|
|
{0x96,0xd0},
|
|
{0x97,0x05}, //crop win width
|
|
{0x98,0x00},
|
|
{0x03,0x02},
|
|
{0x04,0xbe},
|
|
};
|
|
|
|
static struct regval_list sensor_sxga_regs[] = { //SXGA: 1280*960
|
|
//{0x06,0x28},
|
|
{0x06,0xd0},
|
|
{0x07,0x00},
|
|
{0x08,0x1a},
|
|
//{0x0a,0xe0},
|
|
//{0x0c,0xa0},
|
|
{0x0a,0x00},
|
|
{0x0c,0x00},
|
|
//{0x0d,0x02},
|
|
//{0x0e,0xf0},
|
|
{0x0d,0x04},
|
|
{0x0e,0xd0},
|
|
{0x0f,0x06},
|
|
{0x10,0x50},
|
|
|
|
{0x90,0x01},
|
|
{0x92,0x78}, //00/crop win y
|
|
{0x94,0xa8}, //04/crop win x
|
|
{0x95,0x03}, //crop win height
|
|
{0x96,0xc0},
|
|
{0x97,0x05}, //crop win width
|
|
{0x98,0x00},
|
|
{0x03,0x02},
|
|
{0x04,0xbe},
|
|
};
|
|
|
|
static struct regval_list sensor_fmt_raw[] = {
|
|
};
|
|
|
|
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);
|
|
exp_val = exp_val >> 4;
|
|
if (exp_val < 1)
|
|
exp_val = 1;
|
|
if (exp_val > 8192)
|
|
exp_val = 8192;
|
|
sensor_write(sd,0x04,(data_type)(exp_val & 0xff));
|
|
sensor_write(sd,0x03,(data_type)((exp_val >> 8)&0x1f));
|
|
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)
|
|
{
|
|
unsigned char tmp;
|
|
struct sensor_info *info = to_state(sd);
|
|
gain_val = gain_val * 4;
|
|
|
|
if(gain_val < 256)
|
|
{
|
|
sensor_write(sd,0xb0,0x40);
|
|
sensor_write(sd,0xb1,gain_val);
|
|
}
|
|
else
|
|
{
|
|
tmp = 64 * gain_val / 256;
|
|
sensor_write(sd,0xb0,tmp);
|
|
sensor_write(sd,0xb1,0xff);
|
|
}
|
|
info->gain = gain_val;
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_s_sw_stby(struct v4l2_subdev *sd, int on_off)
|
|
{
|
|
int ret;
|
|
data_type rdval;
|
|
|
|
ret=sensor_read(sd, 0xfc, &rdval);
|
|
if(ret!=0)
|
|
return ret;
|
|
|
|
if(on_off==CSI_GPIO_HIGH)//sw stby on
|
|
{
|
|
ret=sensor_write(sd, 0xfc, rdval | 0x01);
|
|
sensor_write(sd, 0xf2, 0x00);
|
|
|
|
}
|
|
else//sw stby off
|
|
{
|
|
sensor_write(sd, 0xfc, rdval & 0xfe);
|
|
ret=sensor_write(sd, 0xf2, 0xff);
|
|
}
|
|
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(10000,12000);
|
|
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(10000,12000);
|
|
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(10000,12000);
|
|
break;
|
|
case CSI_SUBDEV_PWR_ON:
|
|
vfe_dev_dbg("CSI_SUBDEV_PWR_ON!\n");
|
|
cci_lock(sd);
|
|
vfe_gpio_set_status(sd,PWDN,0);//set the gpio to output
|
|
vfe_gpio_set_status(sd,RESET,1);//set the gpio to output
|
|
vfe_gpio_write(sd,PWDN,CSI_GPIO_HIGH);
|
|
vfe_gpio_write(sd,RESET,CSI_GPIO_LOW);
|
|
usleep_range(1000,1200);
|
|
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_mclk_freq(sd,MCLK);
|
|
vfe_set_mclk(sd,ON);
|
|
usleep_range(10000,12000);
|
|
vfe_gpio_write(sd,PWDN,CSI_GPIO_LOW);
|
|
usleep_range(10000,12000);
|
|
vfe_gpio_write(sd,RESET,CSI_GPIO_HIGH);
|
|
usleep_range(30000,31000);
|
|
cci_unlock(sd);
|
|
break;
|
|
case CSI_SUBDEV_PWR_OFF:
|
|
vfe_dev_dbg("CSI_SUBDEV_PWR_OFF!\n");
|
|
cci_lock(sd);
|
|
vfe_set_mclk(sd,OFF);
|
|
vfe_gpio_write(sd,POWER_EN,CSI_GPIO_LOW);
|
|
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);
|
|
vfe_gpio_write(sd,RESET,CSI_GPIO_LOW);
|
|
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)
|
|
{
|
|
data_type rdval;
|
|
|
|
LOG_ERR_RET(sensor_read(sd, 0xf0, &rdval))
|
|
if(rdval != 0x22)
|
|
return -ENODEV;
|
|
LOG_ERR_RET(sensor_read(sd, 0xf1, &rdval))
|
|
if(rdval != 0x35)
|
|
return -ENODEV;
|
|
|
|
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 = UXGA_WIDTH;
|
|
info->height = UXGA_HEIGHT;
|
|
info->hflip = 0;
|
|
info->vflip = 0;
|
|
info->gain = 0;
|
|
|
|
info->tpf.numerator = 1;
|
|
info->tpf.denominator = 30; /* 30fps */
|
|
|
|
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;
|
|
}
|
|
|
|
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:
|
|
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_SGRBG10_1X10,
|
|
.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[] = {
|
|
/* UXGA */
|
|
{
|
|
.width = UXGA_WIDTH,
|
|
.height = UXGA_HEIGHT,
|
|
.hoffset = 0,
|
|
.voffset = 0,
|
|
#if SENSOR_FRAME_RATE == 25
|
|
.hts = 2236,
|
|
.vts = 1288,//1073,
|
|
.pclk = 72*1000*1000,
|
|
#endif
|
|
#if SENSOR_FRAME_RATE == 19
|
|
.hts = 2047,
|
|
.vts = 1234,
|
|
.pclk = 48*1000*1000,
|
|
#endif
|
|
#if SENSOR_FRAME_RATE == 15
|
|
.hts = 2030,
|
|
.vts = 1576,
|
|
.pclk = 48*1000*1000,
|
|
#endif
|
|
#if SENSOR_FRAME_RATE == 12
|
|
.hts = 4658,
|
|
.vts = 2683,
|
|
.pclk = 72*1000*1000,
|
|
#endif
|
|
#if SENSOR_FRAME_RATE == 10
|
|
.hts = 2030,
|
|
.vts = 2364,
|
|
.pclk = 48*1000*1000,
|
|
#endif
|
|
.fps_fixed = 1,
|
|
.bin_factor = 1,
|
|
.intg_min = 1<<4,
|
|
.intg_max = 1234<<4,
|
|
.gain_min = 1<<4,
|
|
.gain_max = (8<<4),
|
|
.regs = sensor_uxga_regs,
|
|
.regs_size = ARRAY_SIZE(sensor_uxga_regs),
|
|
.set_size = NULL,
|
|
},
|
|
};
|
|
|
|
#define N_WIN_SIZES (ARRAY_SIZE(sensor_win_sizes))
|
|
static int sensor_s_exp_gain(struct v4l2_subdev *sd, struct sensor_exp_gain * exp_gain)
|
|
{
|
|
int exp_val, gain_val;
|
|
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>8*16-1)
|
|
gain_val=8*16-1;
|
|
|
|
if(exp_val>0xfffff)
|
|
exp_val=0xfffff;
|
|
|
|
sensor_write(sd,0xb2,0x1);
|
|
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_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
|
|
}
|
|
|
|
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;
|
|
|
|
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
|
|
}
|
|
|
|
usleep_range(500000,600000);
|
|
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, 32*16, 1, 1*16);
|
|
case V4L2_CID_EXPOSURE:
|
|
return v4l2_ctrl_query_fill(qc, 0, 8192*16, 1, 0);
|
|
case V4L2_CID_FRAME_RATE:
|
|
return v4l2_ctrl_query_fill(qc, 15, 120, 1, 120);
|
|
}
|
|
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_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;
|
|
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);
|