/* * A V4L2 driver for GalaxyCore SP0718 cameras. * */ #include #include #include #include #include #include #include #include #include #include #include #include "camera.h" #include "sensor_helper.h" MODULE_AUTHOR("raymonxiu"); MODULE_DESCRIPTION("A low-level driver for Superpix SP0718 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("[CSI_DEBUG][SP0718]"x,##arg) #else #define vfe_dev_dbg(x,arg...) #endif #define vfe_dev_err(x,arg...) printk("[CSI_ERR][SP0718]"x,##arg) #define vfe_dev_print(x,arg...) printk("[CSI][SP0718]"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 0x0718 #define SP0718_AWB_EN (1<<4) #define SP0718_AWB_DIS (~(1<<4)) #define SP0718_AE_EN (1<<0) #define SP0718_AE_DIS (~(1<<0)) /* * Our nominal (default) frame rate. */ #define SENSOR_FRAME_RATE 20 /* * The sp0718 sits on i2c with ID 0x42 */ #define I2C_ADDR 0x42 #define SENSOR_NAME "sp0718" //AE target #define SP0718_P1_0xeb 0x78 //0x78 //modify by sy_yjp,20121210 +8 #define SP0718_P1_0xec 0x70 //0x78 +8 #define SP0718_P1_0xee 0x0a #define SP0718_P1_0xed 0x10 /* * 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); } static struct regval_list sensor_default_regs[] = { {0xfd,0x00}, {0x1C,0x3c}, {0x31,0x60}, //flip {0x27,0xb3},///0xb3 ///2x gain {0x1b,0x17}, {0x26,0xaa}, {0x37,0x02}, {0x28,0x8f}, {0x1a,0x73}, {0x1e,0x1b}, {0x21,0x06}, ///blackout voltage {0x22,0x2a}, ///colbias {0x0f,0x3f}, {0x10,0x3e}, {0x11,0x00}, {0x12,0x01}, {0x13,0x3f}, {0x14,0x04}, {0x15,0x30}, {0x16,0x31}, {0x17,0x01}, {0x69,0x31}, {0x6a,0x2a}, {0x6b,0x33}, {0x6c,0x1a}, {0x6d,0x32}, {0x6e,0x28}, {0x6f,0x29}, {0x70,0x34}, {0x71,0x18}, {0x36,0x02},///delete badframe {0xfd,0x01}, {0x5d,0x51},///position ///Blacklevel {0x1f,0x10}, {0x20,0x1f}, //SI15_SP0718 24M 50Hz 18-10fps ///ae setting {0xfd,0x00}, {0x03,0x02}, {0x04,0x88}, {0x06,0x5a}, {0x09,0x01}, {0x0a,0x05}, {0xfd,0x01}, {0xef,0x6c}, {0xf0,0x00}, {0x02,0x0a}, {0x03,0x01}, {0x06,0x66}, {0x07,0x00}, {0x08,0x01}, {0x09,0x00}, ///Status {0xfd,0x02}, {0xbe,0x38}, {0xbf,0x04}, {0xd0,0x38}, {0xd1,0x04}, {0xfd,0x01}, {0x5b,0x04}, {0x5c,0x38}, ///rpc {0xfd,0x01}, {0xe0,0x40},//////24///4c///48///4c///44///4c///3e///3c///3a///38///rpc_1base_max {0xe1,0x30},//////24///3c///38///3c///36///3c///30///2e///2c///2a///rpc_2base_max {0xe2,0x2e},//////24///34///30///34///2e///34///2a///28///26///26///rpc_3base_max {0xe3,0x2a},//////24///2a///2e///2c///2e///2a///2e///26///24///22///rpc_4base_max {0xe4,0x2a},//////24///2a///2e///2c///2e///2a///2e///26///24///22///rpc_5base_max {0xe5,0x28},//////24///2c///2a///2c///28///2c///24///22///20///rpc_6base_max {0xe6,0x28},//////24///2c///2a///2c///28///2c///24///22///20///rpc_7base_max {0xe7,0x26},//////24///2a///28///2a///26///2a///22///20///20///1e///rpc_8base_max {0xe8,0x26},//////24///2a///28///2a///26///2a///22///20///20///1e///rpc_9base_max {0xe9,0x26},//////24///2a///28///2a///26///2a///22///20///20///1e///rpc_10base_max {0xea,0x26},//////24///28///26///28///24///28///20///1f///1e///1d///rpc_11base_max {0xf3,0x26},//////24///28///26///28///24///28///20///1f///1e///1d///rpc_12base_max {0xf4,0x26},//////24///28///26///28///24///28///20///1f///1e///1d///rpc_13base_max ///ae gain &status {0xfd,0x01}, {0x04,0xe0},///rpc_max_indr {0x05,0x26},///1e///rpc_min_indr {0x0a,0xa0},///rpc_max_outdr {0x0b,0x26},///rpc_min_outdr {0x5a,0x40},///dp rpc {0xfd,0x02}, {0xbc,0xa0},///rpc_heq_low {0xbd,0x80},///rpc_heq_dummy {0xb8,0x80},///mean_normal_dummy {0xb9,0x90},///mean_dummy_normal ///ae target {0xfd,0x01}, {0xeb,SP0718_P1_0xeb},///78 modify by sp_yjp,20121210 {0xec,SP0718_P1_0xec},///78 modify by sp_yjp,20121210 {0xed,SP0718_P1_0xed}, {0xee,SP0718_P1_0xee}, ///lsc {0xfd,0x01}, {0x26,0x30}, {0x27,0x2c}, {0x28,0x07}, {0x29,0x08}, {0x2a,0x00}, {0x2b,0x03}, {0x2c,0x00}, {0x2d,0x00}, ///same lens as sp0718 ///RGain {0xfd,0x01}, {0xa1,0x27}, {0xa2,0x20}, {0xa3,0x2d}, {0xa4,0x24}, {0xad,0x0a},///lu {0xae,0x08},///ru {0xaf,0x0a},///ld {0xb0,0x03},///rd ///GGain {0xa5,0x25}, {0xa6,0x20}, {0xa7,0x25}, {0xa8,0x20}, {0xb1,0x05}, {0xb2,0x00}, {0xb3,0x00}, {0xb4,0x00}, ///BGain {0xa9,0x22}, {0xaa,0x20}, {0xab,0x28}, {0xac,0x1f}, {0xb5,0x00}, {0xb6,0x00}, {0xb7,0x00}, {0xb8,0x00}, ///xy-034 ///RGain {0xfd,0x01}, {0xa1,0x2a}, {0xa2,0x24}, {0xa3,0x2d}, {0xa4,0x24}, {0xad,0x0d},///lu {0xae,0x08},///ru {0xaf,0x0a},///ld {0xb0,0x03},///rd ///GGain {0xa5,0x25}, {0xa6,0x20}, {0xa7,0x25}, {0xa8,0x20}, {0xb1,0x02}, {0xb2,0x00}, {0xb3,0x00}, {0xb4,0x00}, ///BGain {0xa9,0x22}, {0xaa,0x20}, {0xab,0x28}, {0xac,0x1f}, {0xb5,0x00}, {0xb6,0x00}, {0xb7,0x00}, {0xb8,0x00}, ///���� ///RGain {0xfd,0x01}, {0xa1,0x2a}, {0xa2,0x26}, {0xa3,0x2d}, {0xa4,0x24}, {0xad,0x0d},///lu {0xae,0x08},///ru {0xaf,0x0a},///ld {0xb0,0x03},///rd ///GGain {0xa5,0x25}, {0xa6,0x1d}, {0xa7,0x25}, {0xa8,0x20}, {0xb1,0x02}, {0xb2,0x00}, {0xb3,0x00}, {0xb4,0x00}, ///BGain {0xa9,0x1c}, {0xaa,0x1a}, {0xab,0x1f}, {0xac,0x1c}, {0xb5,0x00}, {0xb6,0x00}, {0xb7,0x00}, {0xb8,0x00}, ///DP {0xfd,0x01}, {0x48,0x09}, {0x49,0x99}, ///awb {0xfd,0x01}, {0x32,0x15}, {0xfd,0x02}, {0x26,0xc9}, {0x27,0x8b}, {0x1b,0x80}, {0x1a,0x80}, {0x18,0x27}, {0x19,0x26}, {0xfd,0x02}, {0x2a,0x01}, {0x2b,0x10}, {0x28,0xef},///0xa0///f8 {0x29,0x08}, ///d65 90 {0x66,0x4e},///0x48 {0x67,0x65},///0x69 {0x68,0xcb},///0xaa {0x69,0xed}, {0x6a,0xa5}, ///indoor 91 {0x7c,0x41},///0x2f///0x44 {0x7d,0x55},///0x4b///0x6f {0x7e,0x0a},///0xed {0x7f,0x23},///0x28 {0x80,0xaa},///0xa6 ///cwf 92 {0x70,0x2e},///0x3b {0x71,0x3f},///0x55 {0x72,0x22},///0x28 {0x73,0x35},///0x45 {0x74,0xaa}, ///tl84 93 {0x6b,0x11}, {0x6c,0x25},///0x2f {0x6d,0x35}, {0x6e,0x46},///0x52 {0x6f,0xaa}, ///f 94 {0x61,0xf4},///0xed {0x62,0x0f},///0f {0x63,0x52},///0x5d {0x64,0x70},///0x75///0x8f {0x65,0x6a}, {0x75,0x80}, {0x76,0x09}, {0x77,0x02}, {0x24,0x25}, ///outdoor r\b range /// 0x78,0xc0 /// 0x79,0xa0 /// 0x7a,0xa0 /// 0x7b,0x80 ///skin {0x0e,0x30}, {0x09,0x07}, ///gw {0x31,0x60}, {0x32,0x60}, {0x33,0xc0}, {0x35,0x6f}, {0x3b,0x09}, /// sharp {0xfd,0x02}, {0xde,0x0f}, {0xd2,0x02},///���ƺڰױߣ�0-�ߴ֣�f-��ϸ {0xd3,0x08}, {0xd4,0x08}, {0xd5,0x08}, {0xd7,0x30},///�����ж�//0x10 modify by sp_yjp,20121210 {0xd8,0x40}, //0x1a modify by sp_yjp,20121210 {0xd9,0x48}, //0x24 modify by sp_yjp,20121210 {0xda,0x48}, //0x28 modify by sp_yjp,20121210 {0xdb,0x08}, {0xe8,0x40},///����ǿ�� {0xe9,0x2c}, //0x38 0x48 modify by sp_yjp,20121210 {0xea,0x28}, //0x30 modify by sp_yjp,20121210 {0xeb,0x20}, //0x20 modify by sp_yjp,20121210 {0xec,0x40}, //0x80 modify by sp_yjp,20121210 {0xed,0x2c}, //0x60 modify by sp_yjp,20121210 {0xee,0x28}, //0x40 modify by sp_yjp,20121210 {0xef,0x20}, //0x20 modify by sp_yjp,20121210 ///ƽ̹���������� {0xf7,0x00}, {0xf8,0x08}, {0xf9,0x00}, {0xfa,0x00}, ///dns {0xfd,0x01}, {0x64,0x88}, ///�ط����Եƽ������ ///0-��ǿ��8-���� {0x65,0x44}, {0x6d,0x02},///ǿƽ����ƽ̹������ƽ����ֵ {0x6e,0x02}, {0x6f,0x10}, {0x70,0x10}, {0x71,0x08},///��ƽ������ƽ̹������ƽ����ֵ {0x72,0x0e}, {0x73,0x16}, {0x74,0x24}, //{0x75,0x46}, ///[7:4]ƽ̹����ǿ�ȣ�[3:0]��ƽ̹����ǿ�ȣ�0-��ǿ��8-����? {0x75,0x66}, //0x46 modify by sp_yjp,20121210 {0x76,0x02}, //0x34 0x46 //modify by sp_yjp,20121210 {0x77,0x02}, //0x33 modify by sp_yjp,20121210 {0x78,0x02}, //0x02 modify by sp_yjp,20121210 {0x81,0x10},///2x///���������ж�������ֵ {0x82,0x1b},///4x {0x83,0x2c},///8x {0x84,0x40},///16x {0x85,0x0c},///12/8+reg0x81 �ڶ���ֵ����ƽ̹�ͷ�ƽ̹���������� {0xfd,0x02}, {0xdc,0x0f}, ///gamma ���⾵ͷ�Ա�ǿ��18�׸����ֲ�������sp0718��ͷ�� {0xfd,0x01}, {0x8b,0x00},///00///00///00///00///00 {0x8c,0x08},///05///02///0b///0b///10 {0x8d,0x10},///0d///0a///19///17///20 {0x8e,0x19},///15///13///2a///27///31 {0x8f,0x26},///1e///1d///37///35///3f {0x90,0x3b},///37///30///4b///51///53 {0x91,0x4d},///4a///40///5e///64///64 {0x92,0x5f},///5b///4e///6c///74///74 {0x93,0x71},///6d///5a///78///80///80 {0x94,0x8b},///88///71///92///92///92 {0x95,0xa1},///9c///85///a6///a2///a2 {0x96,0xb3},///af///96///b5///af///af {0x97,0xbf},///bc///a6///bf///bb///bb {0x98,0xca},///ca///b3///ca///c6///c6 {0x99,0xd2},///d2///c0///d2///d0///d0 {0x9a,0xda},///da///cb///d9///d9///d9 {0x9b,0xe1},///e1///d5///e1///e0///e0 {0x9c,0xe7},///e7///df///e8///e8///e8 {0x9d,0xec},///ec///e9///ee///ee///ee {0x9e,0xf3},///f3///f2///f4///f4///f4 {0x9f,0xf9},///f9///fa///fa///fa///fa {0xa0,0xff},///ff///ff///ff///ff///ff ///CCM {0xfd,0x02}, {0x15,0xd0},///b>th {0x16,0xa0},///rhflip = h_value; info->vflip = v_value; return 0; } static int sensor_g_hflip(struct v4l2_subdev *sd, __s32 *value) { struct sensor_info *info = to_state(sd); data_type rdval; LOG_ERR_RET(sensor_write(sd, 0xfd, 0x00)) //page 0 LOG_ERR_RET(sensor_read(sd, 0x31, &rdval)) rdval &= (1<<5); *value = (rdval>>5); info->vflip = *value; return 0; } static int sensor_s_hflip(struct v4l2_subdev *sd, int value) { struct sensor_info *info = to_state(sd); data_type rdval; LOG_ERR_RET(sensor_write(sd, 0xfd, 0x00)) //page 0 LOG_ERR_RET(sensor_read(sd, 0x31, &rdval)) switch (value) { case 0: rdval &= 0xdf; break; case 1: rdval |= 0x20; break; default: return -EINVAL; } LOG_ERR_RET(sensor_write(sd, 0x31, rdval)) usleep_range(10000,12000); info->hflip = value; return 0; } static int sensor_g_vflip(struct v4l2_subdev *sd, __s32 *value) { struct sensor_info *info = to_state(sd); data_type rdval; LOG_ERR_RET(sensor_write(sd, 0xfd, 0x00)) //page 0 LOG_ERR_RET(sensor_read(sd, 0x31, &rdval)) rdval &= (1<<6); *value = (rdval>>6); info->vflip = *value; return 0; } static int sensor_s_vflip(struct v4l2_subdev *sd, int value) { struct sensor_info *info = to_state(sd); data_type rdval; LOG_ERR_RET(sensor_write(sd, 0xfd, 0x00)) //page 0 LOG_ERR_RET(sensor_read(sd, 0x31, &rdval)) switch (value) { case 0: rdval &= 0xbf; break; case 1: rdval |= 0x40; break; default: return -EINVAL; } LOG_ERR_RET(sensor_write(sd, 0x31, rdval)) usleep_range(10000,12000); info->vflip = 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) { int ret; struct sensor_info *info = to_state(sd); data_type val; ret = sensor_write(sd, 0xfd, 0x01); if (ret < 0) { vfe_dev_err("sensor_write err at sensor_g_autoexp!\n"); return ret; } ret = sensor_read(sd, 0x32, &val); if (ret < 0) { vfe_dev_err("sensor_read err at sensor_g_autoexp!\n"); return ret; } val &= SP0718_AE_EN; if (val == SP0718_AE_EN) { *value = V4L2_EXPOSURE_AUTO; } else { *value = V4L2_EXPOSURE_MANUAL; } info->autoexp = *value; return 0; } static int sensor_s_autoexp(struct v4l2_subdev *sd, enum v4l2_exposure_auto_type value) { int ret; struct sensor_info *info = to_state(sd); data_type val; ret = sensor_write(sd, 0xfd, 0x01); if (ret < 0) { vfe_dev_err("sensor_write err at sensor_s_autoexp!\n"); return ret; } ret = sensor_read(sd, 0x32, &val); if (ret < 0) { vfe_dev_err("sensor_read err at sensor_s_autoexp!\n"); return ret; } switch (value) { case V4L2_EXPOSURE_AUTO: val |= SP0718_AE_EN; break; case V4L2_EXPOSURE_MANUAL: val &= SP0718_AE_DIS; break; case V4L2_EXPOSURE_SHUTTER_PRIORITY: return -EINVAL; case V4L2_EXPOSURE_APERTURE_PRIORITY: return -EINVAL; default: return -EINVAL; } ret = sensor_write(sd, 0x32, val); if (ret < 0) { vfe_dev_err("sensor_write err at sensor_s_autoexp!\n"); return ret; } usleep_range(10000,12000); info->autoexp = value; return 0; } static int sensor_g_autowb(struct v4l2_subdev *sd, int *value) { int ret; struct sensor_info *info = to_state(sd); data_type val; ret = sensor_write(sd, 0xfd, 0x01); if (ret < 0) { vfe_dev_err("sensor_write err at sensor_g_autowb!\n"); return ret; } ret = sensor_read(sd, 0x32, &val); if (ret < 0) { vfe_dev_err("sensor_read err at sensor_g_autowb!\n"); return ret; } val &= (1<<4); val = val>>4; //0x32 bit4 is awb enable *value = val; info->autowb = *value; return 0; } static int sensor_s_autowb(struct v4l2_subdev *sd, int value) { int ret; struct sensor_info *info = to_state(sd); data_type val; ret = sensor_write_array(sd, sensor_wb_auto_regs, ARRAY_SIZE(sensor_wb_auto_regs)); if (ret < 0) { vfe_dev_err("sensor_write_array err at sensor_s_autowb!\n"); return ret; } ret = sensor_write(sd, 0xfd, 0x01); if (ret < 0) { vfe_dev_err("sensor_write err at sensor_s_autowb!\n"); return ret; } ret = sensor_read(sd, 0x32, &val); if (ret < 0) { vfe_dev_err("sensor_read err at sensor_s_autowb!\n"); return ret; } switch(value) { case 0: val &= SP0718_AWB_DIS; break; case 1: val |= SP0718_AWB_EN; break; default: break; } ret = sensor_write(sd, 0x32, val); if (ret < 0) { vfe_dev_err("sensor_write err at sensor_s_autowb!\n"); return ret; } usleep_range(10000,12000); info->autowb = 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,AVDD,ON); vfe_set_pmu_channel(sd,IOVDD,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_write(sd, 0xfd, 0x00); if (ret < 0) { vfe_dev_err("sensor_write err at sensor_detect!\n"); return ret; } ret = sensor_read(sd, 0x02, &val); if (ret < 0) { vfe_dev_err("sensor_read err at sensor_detect!\n"); return ret; } if(val != 0x71) 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; } 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; 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, .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, .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, .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, .regs = sensor_fmt_yuv422_vyuy, .regs_size = ARRAY_SIZE(sensor_fmt_yuv422_vyuy), .bpp = 2, }, }; #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)//linux-3.0 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;//linux-3.0 /* * 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;//linux-3.0 fmt->height = wsize->height;//linux-3.0 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)//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; sensor_s_hflip_vflip(sd,info->hflip,info->vflip); 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; //vfe_dev_dbg("sensor_s_ctrl ctrl->id=0x%8x\n", ctrl->id); 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); //client->addr=0x42>>1; 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);