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Signed-off-by: Lad Prabhakar --- drivers/media/i2c/ov5645.c | 115 +++++++++++++++++++++++++++---------- 1 file changed, 84 insertions(+), 31 deletions(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index e3706b6b5621..a3353992594b 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -61,6 +61,10 @@ #define OV5645_SDE_SAT_U 0x5583 #define OV5645_SDE_SAT_V 0x5584 +#define OV5645_NATIVE_FORMAT MEDIA_BUS_FMT_SBGGR8_1X8 +#define OV5645_NATIVE_WIDTH 2592 +#define OV5645_NATIVE_HEIGHT 1944 + /* regulator supplies */ static const char * const ov5645_supply_name[] = { "vdddo", /* Digital I/O (1.8V) supply */ @@ -70,6 +74,12 @@ static const char * const ov5645_supply_name[] = { #define OV5645_NUM_SUPPLIES ARRAY_SIZE(ov5645_supply_name) +enum ov5645_pad_ids { + OV5645_PAD_SOURCE, + OV5645_PAD_IMAGE, + OV5645_NUM_PADS, +}; + struct reg_value { u16 reg; u8 val; @@ -88,7 +98,7 @@ struct ov5645 { struct i2c_client *i2c_client; struct device *dev; struct v4l2_subdev sd; - struct media_pad pad; + struct media_pad pads[OV5645_NUM_PADS]; struct v4l2_fwnode_endpoint ep; struct v4l2_rect crop; struct clk *xclk; @@ -850,7 +860,10 @@ static int ov5645_enum_mbus_code(struct v4l2_subdev *sd, if (code->index > 0) return -EINVAL; - code->code = MEDIA_BUS_FMT_UYVY8_1X16; + if (code->pad == OV5645_PAD_IMAGE) + code->code = OV5645_NATIVE_FORMAT; + else + code->code = MEDIA_BUS_FMT_UYVY8_1X16; return 0; } @@ -859,16 +872,24 @@ static int ov5645_enum_frame_size(struct v4l2_subdev *subdev, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { - if (fse->code != MEDIA_BUS_FMT_UYVY8_1X16) - return -EINVAL; - - if (fse->index >= ARRAY_SIZE(ov5645_mode_info_data)) - return -EINVAL; - - fse->min_width = ov5645_mode_info_data[fse->index].width; - fse->max_width = ov5645_mode_info_data[fse->index].width; - fse->min_height = ov5645_mode_info_data[fse->index].height; - fse->max_height = ov5645_mode_info_data[fse->index].height; + if (fse->pad == OV5645_PAD_IMAGE) { + if (fse->code != OV5645_NATIVE_FORMAT || fse->index > 0) + return -EINVAL; + + fse->min_width = OV5645_NATIVE_WIDTH; + fse->max_width = OV5645_NATIVE_WIDTH; + fse->min_height = OV5645_NATIVE_HEIGHT; + fse->max_height = OV5645_NATIVE_HEIGHT; + } else { + if (fse->code != MEDIA_BUS_FMT_UYVY8_1X16 || + fse->index >= ARRAY_SIZE(ov5645_mode_info_data)) + return -EINVAL; + + fse->min_width = ov5645_mode_info_data[fse->index].width; + fse->max_width = ov5645_mode_info_data[fse->index].width; + fse->min_height = ov5645_mode_info_data[fse->index].height; + fse->max_height = ov5645_mode_info_data[fse->index].height; + } return 0; } @@ -877,20 +898,57 @@ static int ov5645_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { - struct ov5645 *ov5645 = to_ov5645(sd); - struct v4l2_mbus_framefmt *__format; - struct v4l2_rect *__crop; const struct ov5645_mode_info *new_mode; + struct ov5645 *ov5645 = to_ov5645(sd); + struct v4l2_mbus_framefmt *fmt; + struct v4l2_rect *compose; + struct v4l2_rect *crop; int ret; - __crop = v4l2_subdev_state_get_crop(sd_state, 0); + if (format->pad != OV5645_PAD_SOURCE) + return v4l2_subdev_get_fmt(sd, sd_state, format); + new_mode = v4l2_find_nearest_size(ov5645_mode_info_data, ARRAY_SIZE(ov5645_mode_info_data), width, height, format->format.width, format->format.height); - - __crop->width = new_mode->width; - __crop->height = new_mode->height; + format->format.code = MEDIA_BUS_FMT_UYVY8_1X16; + format->format.width = new_mode->width; + format->format.height = new_mode->height; + format->format.field = V4L2_FIELD_NONE; + format->format.colorspace = V4L2_COLORSPACE_SRGB; + format->format.ycbcr_enc = V4L2_YCBCR_ENC_601; + format->format.quantization = V4L2_QUANTIZATION_LIM_RANGE; + format->format.xfer_func = V4L2_XFER_FUNC_SRGB; + + fmt = v4l2_subdev_state_get_format(sd_state, OV5645_PAD_IMAGE); + *fmt = format->format; + fmt->code = OV5645_NATIVE_FORMAT; + fmt->width = OV5645_NATIVE_WIDTH; + fmt->height = OV5645_NATIVE_HEIGHT; + + crop = v4l2_subdev_state_get_crop(sd_state, OV5645_PAD_IMAGE); + crop->width = format->format.width; + crop->height = format->format.height; + + /* + * The compose rectangle models binning, its size is the sensor output + * size. + */ + compose = v4l2_subdev_state_get_compose(sd_state, OV5645_PAD_IMAGE); + compose->left = 0; + compose->top = 0; + compose->width = format->format.width; + compose->height = format->format.height; + + crop = v4l2_subdev_state_get_crop(sd_state, OV5645_PAD_SOURCE); + crop->left = 0; + crop->top = 0; + crop->width = format->format.width; + crop->height = format->format.height; + + fmt = v4l2_subdev_state_get_format(sd_state, OV5645_PAD_SOURCE); + *fmt = format->format; if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) { ret = __v4l2_ctrl_s_ctrl_int64(ov5645->pixel_clock, @@ -906,14 +964,6 @@ static int ov5645_set_format(struct v4l2_subdev *sd, ov5645->current_mode = new_mode; } - __format = v4l2_subdev_state_get_format(sd_state, 0); - __format->width = __crop->width; - __format->height = __crop->height; - __format->code = MEDIA_BUS_FMT_UYVY8_1X16; - __format->field = V4L2_FIELD_NONE; - __format->colorspace = V4L2_COLORSPACE_SRGB; - - format->format = *__format; return 0; } @@ -923,7 +973,7 @@ static int ov5645_init_state(struct v4l2_subdev *subdev, { struct v4l2_subdev_format fmt = { .which = V4L2_SUBDEV_FORMAT_TRY, - .pad = 0, + .pad = OV5645_PAD_SOURCE, .format = { .code = MEDIA_BUS_FMT_UYVY8_1X16, .width = ov5645_mode_info_data[1].width, @@ -943,7 +993,7 @@ static int ov5645_get_selection(struct v4l2_subdev *sd, if (sel->target != V4L2_SEL_TGT_CROP) return -EINVAL; - sel->r = *v4l2_subdev_state_get_crop(sd_state, 0); + sel->r = *v4l2_subdev_state_get_crop(sd_state, sel->pad); return 0; } @@ -1157,11 +1207,14 @@ static int ov5645_probe(struct i2c_client *client) ov5645->sd.internal_ops = &ov5645_internal_ops; ov5645->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; - ov5645->pad.flags = MEDIA_PAD_FL_SOURCE; + ov5645->pads[OV5645_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; + ov5645->pads[OV5645_PAD_IMAGE].flags = MEDIA_PAD_FL_SINK | + MEDIA_PAD_FL_INTERNAL; ov5645->sd.dev = dev; ov5645->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; - ret = media_entity_pads_init(&ov5645->sd.entity, 1, &ov5645->pad); + ret = media_entity_pads_init(&ov5645->sd.entity, + ARRAY_SIZE(ov5645->pads), ov5645->pads); if (ret < 0) { dev_err_probe(dev, ret, "could not register media entity\n"); goto free_ctrl;