Add support for the mode 6 for the sensor, this mode uses 3/8 subsampling and 3 horizontal binning. Aspect ratio is changed. Split the bin_ratio variable into two parts, one for width and one for height, as the ratio is no longer preserved when doing subsampling in this mode.
Signed-off-by: Eugen Hristev <[email protected]> --- drivers/media/i2c/imx274.c | 89 +++++++++++++++++++++++++++++++------- 1 file changed, 73 insertions(+), 16 deletions(-) diff --git a/drivers/media/i2c/imx274.c b/drivers/media/i2c/imx274.c index e6aa9f32b6a8..5adb11f036e2 100644 --- a/drivers/media/i2c/imx274.c +++ b/drivers/media/i2c/imx274.c @@ -147,8 +147,9 @@ static const struct regmap_config imx274_regmap_config = { enum imx274_binning { IMX274_BINNING_OFF, - IMX274_BINNING_2_1, - IMX274_BINNING_3_1, + IMX274_BINNING_2_2, + IMX274_BINNING_3_3, + IMX274_BINNING_4_3, }; /* @@ -158,7 +159,8 @@ enum imx274_binning { * implemented modes. * * @init_regs: registers to initialize the mode - * @bin_ratio: downscale factor (e.g. 3 for 3:1 binning) + * @wbin_ratio: width downscale factor (e.g. 3 for 1280; 3 = 3840/1280) + * @hbin_ratio: height downscale factor (e.g. 3 for 720; 3 = 2160/720) * @min_frame_len: Minimum frame length for each mode (see "Frame Rate * Adjustment (CSI-2)" in the datasheet) * @min_SHR: Minimum SHR register value (see "Shutter Setting (CSI-2)" in the @@ -169,7 +171,8 @@ enum imx274_binning { */ struct imx274_mode { const struct reg_8 *init_regs; - unsigned int bin_ratio; + unsigned int wbin_ratio; + unsigned int hbin_ratio; int min_frame_len; int min_SHR; int max_fps; @@ -332,6 +335,46 @@ static const struct reg_8 imx274_mode5_1280x720_raw10[] = { {IMX274_TABLE_END, 0x00} }; +/* + * Vertical 2/8 subsampling horizontal 3 binning + * imx274 mode6(refer to datasheet) register configuration with + * 1280x540 resolution, raw10 data and mipi four lane output + */ +static const struct reg_8 imx274_mode6_1280x540_raw10[] = { + {0x3004, 0x04}, /* mode setting */ + {0x3005, 0x31}, + {0x3006, 0x00}, + {0x3007, 0x02}, /* mode setting */ + + {0x3018, 0xA2}, /* output XVS, HVS */ + + {0x306B, 0x05}, + {0x30E2, 0x04}, /* mode setting */ + + {0x30EE, 0x01}, + {0x3342, 0x0A}, + {0x3343, 0x00}, + {0x3344, 0x16}, + {0x3345, 0x00}, + {0x33A6, 0x01}, + {0x3528, 0x0E}, + {0x3554, 0x1F}, + {0x3555, 0x01}, + {0x3556, 0x01}, + {0x3557, 0x01}, + {0x3558, 0x01}, + {0x3559, 0x00}, + {0x355A, 0x00}, + {0x35BA, 0x0E}, + {0x366A, 0x1B}, + {0x366B, 0x1A}, + {0x366C, 0x19}, + {0x366D, 0x17}, + {0x3A41, 0x04}, + + {IMX274_TABLE_END, 0x00} +}; + /* * imx274 first step register configuration for * starting stream @@ -445,7 +488,8 @@ static const struct reg_8 imx274_tp_regs[] = { static const struct imx274_mode imx274_modes[] = { { /* mode 1, 4K */ - .bin_ratio = 1, + .wbin_ratio = 1, /* 3840 */ + .hbin_ratio = 1, /* 2160 */ .init_regs = imx274_mode1_3840x2160_raw10, .min_frame_len = 4550, .min_SHR = 12, @@ -454,7 +498,8 @@ static const struct imx274_mode imx274_modes[] = { }, { /* mode 3, 1080p */ - .bin_ratio = 2, + .wbin_ratio = 2, /* 1620 */ + .hbin_ratio = 2, /* 1080 */ .init_regs = imx274_mode3_1920x1080_raw10, .min_frame_len = 2310, .min_SHR = 8, @@ -463,13 +508,24 @@ static const struct imx274_mode imx274_modes[] = { }, { /* mode 5, 720p */ - .bin_ratio = 3, + .wbin_ratio = 3, /* 1280 */ + .hbin_ratio = 3, /* 720 */ .init_regs = imx274_mode5_1280x720_raw10, .min_frame_len = 2310, .min_SHR = 8, .max_fps = 120, .nocpiop = 112, }, + { + /* mode 6, 540p */ + .wbin_ratio = 3, /* 1280 */ + .hbin_ratio = 4, /* 540 */ + .init_regs = imx274_mode6_1280x540_raw10, + .min_frame_len = 2310, + .min_SHR = 4, + .max_fps = 120, + .nocpiop = 112, + }, }; /* @@ -892,12 +948,13 @@ static int __imx274_change_compose(struct stimx274 *imx274, } for (i = 0; i < ARRAY_SIZE(imx274_modes); i++) { - unsigned int ratio = imx274_modes[i].bin_ratio; + unsigned int wratio = imx274_modes[i].wbin_ratio; + unsigned int hratio = imx274_modes[i].hbin_ratio; int goodness = imx274_binning_goodness( imx274, - cur_crop->width / ratio, *width, - cur_crop->height / ratio, *height, + cur_crop->width / wratio, *width, + cur_crop->height / hratio, *height, flags); if (goodness >= best_goodness) { @@ -906,14 +963,14 @@ static int __imx274_change_compose(struct stimx274 *imx274, } } - *width = cur_crop->width / best_mode->bin_ratio; - *height = cur_crop->height / best_mode->bin_ratio; + *width = cur_crop->width / best_mode->wbin_ratio; + *height = cur_crop->height / best_mode->hbin_ratio; if (which == V4L2_SUBDEV_FORMAT_ACTIVE) imx274->mode = best_mode; - dev_dbg(dev, "%s: selected %u:1 binning\n", - __func__, best_mode->bin_ratio); + dev_dbg(dev, "%s: selected %u:%u binning\n", + __func__, best_mode->wbin_ratio, best_mode->hbin_ratio); tgt_fmt->width = *width; tgt_fmt->height = *height; @@ -1840,8 +1897,8 @@ static int imx274_probe(struct i2c_client *client) imx274->mode = &imx274_modes[IMX274_DEFAULT_BINNING]; imx274->crop.width = IMX274_MAX_WIDTH; imx274->crop.height = IMX274_MAX_HEIGHT; - imx274->format.width = imx274->crop.width / imx274->mode->bin_ratio; - imx274->format.height = imx274->crop.height / imx274->mode->bin_ratio; + imx274->format.width = imx274->crop.width / imx274->mode->wbin_ratio; + imx274->format.height = imx274->crop.height / imx274->mode->hbin_ratio; imx274->format.field = V4L2_FIELD_NONE; imx274->format.code = MEDIA_BUS_FMT_SRGGB10_1X10; imx274->format.colorspace = V4L2_COLORSPACE_SRGB; -- 2.25.1
