diff options
Diffstat (limited to 'drivers/media/i2c/ov5640.c')
-rw-r--r-- | drivers/media/i2c/ov5640.c | 175 |
1 files changed, 134 insertions, 41 deletions
diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c index f6e40cc9745c..071f4bc240ca 100644 --- a/drivers/media/i2c/ov5640.c +++ b/drivers/media/i2c/ov5640.c @@ -30,7 +30,7 @@ /* min/typical/max system clock (xclk) frequencies */ #define OV5640_XCLK_MIN 6000000 -#define OV5640_XCLK_MAX 24000000 +#define OV5640_XCLK_MAX 54000000 #define OV5640_DEFAULT_SLAVE_ID 0x3c @@ -64,6 +64,7 @@ #define OV5640_REG_TIMING_DVPVO 0x380a #define OV5640_REG_TIMING_HTS 0x380c #define OV5640_REG_TIMING_VTS 0x380e +#define OV5640_REG_TIMING_TC_REG20 0x3820 #define OV5640_REG_TIMING_TC_REG21 0x3821 #define OV5640_REG_AEC_CTRL00 0x3a00 #define OV5640_REG_AEC_B50_STEP 0x3a08 @@ -199,6 +200,8 @@ struct ov5640_ctrls { struct v4l2_ctrl *contrast; struct v4l2_ctrl *hue; struct v4l2_ctrl *test_pattern; + struct v4l2_ctrl *hflip; + struct v4l2_ctrl *vflip; }; struct ov5640_dev { @@ -212,6 +215,7 @@ struct ov5640_dev { struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES]; struct gpio_desc *reset_gpio; struct gpio_desc *pwdn_gpio; + bool upside_down; /* lock to protect all members below */ struct mutex lock; @@ -341,7 +345,7 @@ static const struct reg_value ov5640_init_setting_30fps_VGA[] = { static const struct reg_value ov5640_setting_30fps_VGA_640_480[] = { {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3814, 0x31, 0, 0}, {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, @@ -360,7 +364,7 @@ static const struct reg_value ov5640_setting_30fps_VGA_640_480[] = { static const struct reg_value ov5640_setting_15fps_VGA_640_480[] = { {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3814, 0x31, 0, 0}, {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, @@ -379,7 +383,7 @@ static const struct reg_value ov5640_setting_15fps_VGA_640_480[] = { static const struct reg_value ov5640_setting_30fps_XGA_1024_768[] = { {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3814, 0x31, 0, 0}, {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, @@ -399,7 +403,7 @@ static const struct reg_value ov5640_setting_30fps_XGA_1024_768[] = { static const struct reg_value ov5640_setting_15fps_XGA_1024_768[] = { {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3814, 0x31, 0, 0}, {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, @@ -418,7 +422,7 @@ static const struct reg_value ov5640_setting_15fps_XGA_1024_768[] = { static const struct reg_value ov5640_setting_30fps_QVGA_320_240[] = { {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3814, 0x31, 0, 0}, {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, @@ -437,7 +441,7 @@ static const struct reg_value ov5640_setting_30fps_QVGA_320_240[] = { static const struct reg_value ov5640_setting_15fps_QVGA_320_240[] = { {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3814, 0x31, 0, 0}, {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, @@ -456,7 +460,7 @@ static const struct reg_value ov5640_setting_15fps_QVGA_320_240[] = { static const struct reg_value ov5640_setting_30fps_QCIF_176_144[] = { {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3814, 0x31, 0, 0}, {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, @@ -475,7 +479,7 @@ static const struct reg_value ov5640_setting_30fps_QCIF_176_144[] = { static const struct reg_value ov5640_setting_15fps_QCIF_176_144[] = { {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3814, 0x31, 0, 0}, {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, @@ -494,7 +498,7 @@ static const struct reg_value ov5640_setting_15fps_QCIF_176_144[] = { static const struct reg_value ov5640_setting_30fps_NTSC_720_480[] = { {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3814, 0x31, 0, 0}, {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, @@ -513,7 +517,7 @@ static const struct reg_value ov5640_setting_30fps_NTSC_720_480[] = { static const struct reg_value ov5640_setting_15fps_NTSC_720_480[] = { {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3814, 0x31, 0, 0}, {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, @@ -532,7 +536,7 @@ static const struct reg_value ov5640_setting_15fps_NTSC_720_480[] = { static const struct reg_value ov5640_setting_30fps_PAL_720_576[] = { {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3814, 0x31, 0, 0}, {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, @@ -551,7 +555,7 @@ static const struct reg_value ov5640_setting_30fps_PAL_720_576[] = { static const struct reg_value ov5640_setting_15fps_PAL_720_576[] = { {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3814, 0x31, 0, 0}, {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, @@ -571,7 +575,7 @@ static const struct reg_value ov5640_setting_30fps_720P_1280_720[] = { {0x3008, 0x42, 0, 0}, {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3814, 0x31, 0, 0}, {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, @@ -591,7 +595,7 @@ static const struct reg_value ov5640_setting_30fps_720P_1280_720[] = { static const struct reg_value ov5640_setting_15fps_720P_1280_720[] = { {0x3035, 0x41, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3814, 0x31, 0, 0}, {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, @@ -611,7 +615,7 @@ static const struct reg_value ov5640_setting_30fps_1080P_1920_1080[] = { {0x3008, 0x42, 0, 0}, {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0}, + {0x3814, 0x11, 0, 0}, {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, @@ -644,7 +648,7 @@ static const struct reg_value ov5640_setting_15fps_1080P_1920_1080[] = { {0x3008, 0x42, 0, 0}, {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0}, + {0x3814, 0x11, 0, 0}, {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, @@ -673,10 +677,9 @@ static const struct reg_value ov5640_setting_15fps_1080P_1920_1080[] = { }; static const struct reg_value ov5640_setting_15fps_QSXGA_2592_1944[] = { - {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, - {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0}, + {0x3814, 0x11, 0, 0}, {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, @@ -1340,6 +1343,27 @@ static int ov5640_binning_on(struct ov5640_dev *sensor) return temp ? 1 : 0; } +static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) +{ + int ret; + + /* + * TIMING TC REG21: + * - [0]: Horizontal binning enable + */ + ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, + BIT(0), enable ? BIT(0) : 0); + if (ret) + return ret; + /* + * TIMING TC REG20: + * - [0]: Undocumented, but hardcoded init sequences + * are always setting REG21/REG20 bit 0 to same value... + */ + return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, + BIT(0), enable ? BIT(0) : 0); +} + static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) { struct i2c_client *client = sensor->i2c_client; @@ -1389,24 +1413,16 @@ static const struct ov5640_mode_info * ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, int width, int height, bool nearest) { - const struct ov5640_mode_info *mode = NULL; - int i; - - for (i = OV5640_NUM_MODES - 1; i >= 0; i--) { - mode = &ov5640_mode_data[fr][i]; - - if (!mode->reg_data) - continue; + const struct ov5640_mode_info *mode; - if ((nearest && mode->hact <= width && - mode->vact <= height) || - (!nearest && mode->hact == width && - mode->vact == height)) - break; - } + mode = v4l2_find_nearest_size(ov5640_mode_data[fr], + ARRAY_SIZE(ov5640_mode_data[fr]), + hact, vact, + width, height); - if (nearest && i < 0) - mode = &ov5640_mode_data[fr][0]; + if (!mode || + (!nearest && (mode->hact != width || mode->vact != height))) + return NULL; return mode; } @@ -1640,6 +1656,9 @@ static int ov5640_set_mode(struct ov5640_dev *sensor, if (ret < 0) return ret; + ret = ov5640_set_binning(sensor, dn_mode != SCALING); + if (ret < 0) + return ret; ret = ov5640_set_ae_target(sensor, sensor->ae_target); if (ret < 0) return ret; @@ -1947,9 +1966,11 @@ static int ov5640_set_fmt(struct v4l2_subdev *sd, goto out; } - sensor->current_mode = new_mode; - sensor->fmt = *mbus_fmt; - sensor->pending_mode_change = true; + if (new_mode != sensor->current_mode) { + sensor->current_mode = new_mode; + sensor->fmt = *mbus_fmt; + sensor->pending_mode_change = true; + } out: mutex_unlock(&sensor->lock); return ret; @@ -2193,6 +2214,43 @@ static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) BIT(2) : 0); } +static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) +{ + /* + * If sensor is mounted upside down, mirror logic is inversed. + * + * Sensor is a BSI (Back Side Illuminated) one, + * so image captured is physically mirrored. + * This is why mirror logic is inversed in + * order to cancel this mirror effect. + */ + + /* + * TIMING TC REG21: + * - [2]: ISP mirror + * - [1]: Sensor mirror + */ + return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, + BIT(2) | BIT(1), + (!(value ^ sensor->upside_down)) ? + (BIT(2) | BIT(1)) : 0); +} + +static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) +{ + /* If sensor is mounted upside down, flip logic is inversed */ + + /* + * TIMING TC REG20: + * - [2]: ISP vflip + * - [1]: Sensor vflip + */ + return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, + BIT(2) | BIT(1), + (value ^ sensor->upside_down) ? + (BIT(2) | BIT(1)) : 0); +} + static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) { struct v4l2_subdev *sd = ctrl_to_sd(ctrl); @@ -2264,6 +2322,12 @@ static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_POWER_LINE_FREQUENCY: ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); break; + case V4L2_CID_HFLIP: + ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); + break; + case V4L2_CID_VFLIP: + ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); + break; default: ret = -EINVAL; break; @@ -2325,6 +2389,10 @@ static int ov5640_init_controls(struct ov5640_dev *sensor) v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, ARRAY_SIZE(test_pattern_menu) - 1, 0, 0, test_pattern_menu); + ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, + 0, 1, 1, 0); + ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, + 0, 1, 1, 0); ctrls->light_freq = v4l2_ctrl_new_std_menu(hdl, ops, @@ -2435,9 +2503,17 @@ static int ov5640_s_frame_interval(struct v4l2_subdev *sd, sensor->current_fr = frame_rate; sensor->frame_interval = fi->interval; - sensor->current_mode = ov5640_find_mode(sensor, frame_rate, mode->hact, - mode->vact, true); - sensor->pending_mode_change = true; + mode = ov5640_find_mode(sensor, frame_rate, mode->hact, + mode->vact, true); + if (!mode) { + ret = -EINVAL; + goto out; + } + + if (mode != sensor->current_mode) { + sensor->current_mode = mode; + sensor->pending_mode_change = true; + } out: mutex_unlock(&sensor->lock); return ret; @@ -2558,6 +2634,7 @@ static int ov5640_probe(struct i2c_client *client, struct fwnode_handle *endpoint; struct ov5640_dev *sensor; struct v4l2_mbus_framefmt *fmt; + u32 rotation; int ret; sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); @@ -2583,6 +2660,22 @@ static int ov5640_probe(struct i2c_client *client, sensor->ae_target = 52; + /* optional indication of physical rotation of sensor */ + ret = fwnode_property_read_u32(dev_fwnode(&client->dev), "rotation", + &rotation); + if (!ret) { + switch (rotation) { + case 180: + sensor->upside_down = true; + /* fall through */ + case 0: + break; + default: + dev_warn(dev, "%u degrees rotation is not supported, ignoring...\n", + rotation); + } + } + endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), NULL); if (!endpoint) { |