/*
?*?A?V4L2?driver?for?ov5640?cameras.
?*
?*/
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?


#include?“camera.h“


MODULE_AUTHOR（“raymonxiu“）;
MODULE_DEscriptION（“A?low-level?driver?for?ov5640?sensors“）;
MODULE_LICENSE（“GPL“）;

#define?AF_WIN_NEW_COORD
//for?internel?driver?debug
#define?DEV_DBG_EN??????0
#if（DEV_DBG_EN?==?1）????
#define?vfe_dev_dbg（xarg...）?printk（“[OV5640]“x##arg）
#else
#define?vfe_dev_dbg（xarg...）?
#endif
#define?vfe_dev_err（xarg...）?printk（“[OV5640]“x##arg）
#define?vfe_dev_print（xarg...）?printk（“[OV5640]“x##arg）

#define?CAP_BDG?0
#if（CAP_BDG?==?1）
#define?vfe_dev_cap_dbg（xarg...）?printk（“[OV5640_CAP_DBG]“x##arg）
#else
#define?vfe_dev_cap_dbg（xarg...）
#endif

#define?LOG_ERR_RET（x）??{?\
??????????????????????????int?ret;??\
??????????????????????????ret?=?x;?\
??????????????????????????if（ret?????????????????????????????vfe_dev_err（“error?at?%s\n“__func__）;??\
????????????????????????????return?ret;?\
??????????????????????????}?\
????????????????????????}

//define?module?timing
#define?MCLK??????????????（24*1000*1000）
static?int?MCLK_DIV?=?1;
#ifdef?CONFIG_ARCH_SUN9IW1P1
static?int?A80_VERSION?=?0?;
#endif

//#define?FPGA_VER

#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?0x5640

//define?the?voltage?level?of?control?signal
#define?CSI_STBY_ON?????1
#define?CSI_STBY_OFF????0
#define?CSI_RST_ON??????0
#define?CSI_RST_OFF?????1
#define?CSI_PWR_ON??????1
#define?CSI_PWR_OFF?????0
#define?CSI_AF_PWR_ON???1
#define?CSI_AF_PWR_OFF??0

#define?SENSOR_NAME?“ov5640“
#define?regval_list?reg_list_a16_d8

#define?REG_TERM?0xfffe
#define?VAL_TERM?0xfe
#define?REG_DLY??0xffff

#define?FLASH_EN_POL?1
#define?FLASH_MODE_POL?1
#ifdef?_FLASH_FUNC_
#include?“../flash_light/flash.h“
static?struct?flash_dev_info?fl_info;
static?unsigned?int?to_flash=0;
static?unsigned?int?flash_auto_level=0x1c;
#endif
#define?CONTINUEOUS_AF
//#define?AUTO_FPS
#define?DENOISE_LV_AUTO
#define?SHARPNESS?0x18

#ifdef?AUTO_FPS
//#define?AF_FAST
#endif

#ifndef?DENOISE_LV_AUTO
#define?DENOISE_LV?0x8
#endif

#define?AE_CW?1

unsigned?int?night_mode=0;
unsigned?int?Nfrms=1;
unsigned?int?cap_manual_gain=0x10;
#define?CAP_GAIN_CAL?0//0--auto?limit?frames;1--manual?fixed?gain
#define?CAP_MULTI_frameS
#ifdef?CAP_MULTI_frameS
#define?MAX_FRM_CAP?4
#else
#define?MAX_FRM_CAP?1
#endif


/*
?*?Our?nominal?（default）?frame?rate.
?*/
#define?SENSOR_frame_RATE?30

/*
?*?The?ov5640?sits?on?i2c?with?ID?0x78
?*/
#define?I2C_ADDR?0x78

//static?struct?delayed_work?sensor_s_ae_ratio_work;
static?struct?v4l2_subdev?*glb_sd;

/*
?*?Information?we?maintain?about?a?known?sensor.
?*/
st