diff options
Diffstat (limited to 'drivers/media/platform/renesas/vsp1/vsp1_rwpf.c')
| -rw-r--r-- | drivers/media/platform/renesas/vsp1/vsp1_rwpf.c | 77 |
1 files changed, 56 insertions, 21 deletions
diff --git a/drivers/media/platform/renesas/vsp1/vsp1_rwpf.c b/drivers/media/platform/renesas/vsp1/vsp1_rwpf.c index 09fb6ffa14e2..9c8085d5d306 100644 --- a/drivers/media/platform/renesas/vsp1/vsp1_rwpf.c +++ b/drivers/media/platform/renesas/vsp1/vsp1_rwpf.c @@ -10,18 +10,13 @@ #include <media/v4l2-subdev.h> #include "vsp1.h" +#include "vsp1_entity.h" #include "vsp1_rwpf.h" #include "vsp1_video.h" #define RWPF_MIN_WIDTH 1 #define RWPF_MIN_HEIGHT 1 -struct v4l2_rect *vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf, - struct v4l2_subdev_state *sd_state) -{ - return v4l2_subdev_state_get_crop(sd_state, RWPF_PAD_SINK); -} - /* ----------------------------------------------------------------------------- * V4L2 Subdevice Operations */ @@ -41,6 +36,11 @@ static int vsp1_rwpf_enum_mbus_code(struct v4l2_subdev *subdev, code->code = codes[code->index]; + if (code->pad == RWPF_PAD_SOURCE && + code->code == MEDIA_BUS_FMT_AYUV8_1X32) + code->flags = V4L2_SUBDEV_MBUS_CODE_CSC_YCBCR_ENC + | V4L2_SUBDEV_MBUS_CODE_CSC_QUANTIZATION; + return 0; } @@ -79,15 +79,48 @@ static int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, fmt->format.code != MEDIA_BUS_FMT_AYUV8_1X32) fmt->format.code = MEDIA_BUS_FMT_AYUV8_1X32; - format = vsp1_entity_get_pad_format(&rwpf->entity, state, fmt->pad); + format = v4l2_subdev_state_get_format(state, fmt->pad); if (fmt->pad == RWPF_PAD_SOURCE) { + const struct v4l2_mbus_framefmt *sink_format = + v4l2_subdev_state_get_format(state, RWPF_PAD_SINK); + u16 flags = fmt->format.flags & V4L2_MBUS_FRAMEFMT_SET_CSC; + bool csc; + /* * The RWPF performs format conversion but can't scale, only the - * format code can be changed on the source pad. + * format code, encoding and quantization can be changed on the + * source pad when converting between RGB and YUV. + */ + if (sink_format->code != MEDIA_BUS_FMT_AHSV8888_1X32 && + fmt->format.code != MEDIA_BUS_FMT_AHSV8888_1X32) + format->code = fmt->format.code; + else + format->code = sink_format->code; + + /* + * Encoding and quantization can only be configured when YCbCr + * <-> RGB is enabled. The V4L2 API requires userspace to set + * the V4L2_MBUS_FRAMEFMT_SET_CSC flag. If either of these + * conditions is not met, use the encoding and quantization + * values from the sink pad. */ - format->code = fmt->format.code; + csc = (format->code == MEDIA_BUS_FMT_AYUV8_1X32) != + (sink_format->code == MEDIA_BUS_FMT_AYUV8_1X32); + + if (csc && (flags & V4L2_MBUS_FRAMEFMT_SET_CSC)) { + format->ycbcr_enc = fmt->format.ycbcr_enc; + format->quantization = fmt->format.quantization; + } else { + format->ycbcr_enc = sink_format->ycbcr_enc; + format->quantization = sink_format->quantization; + } + + vsp1_entity_adjust_color_space(format); + fmt->format = *format; + fmt->format.flags = flags; + goto done; } @@ -97,7 +130,13 @@ static int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, format->height = clamp_t(unsigned int, fmt->format.height, RWPF_MIN_HEIGHT, rwpf->max_height); format->field = V4L2_FIELD_NONE; - format->colorspace = V4L2_COLORSPACE_SRGB; + + format->colorspace = fmt->format.colorspace; + format->xfer_func = fmt->format.xfer_func; + format->ycbcr_enc = fmt->format.ycbcr_enc; + format->quantization = fmt->format.quantization; + + vsp1_entity_adjust_color_space(format); fmt->format = *format; @@ -105,7 +144,7 @@ static int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_rect *crop; /* Update the sink crop rectangle. */ - crop = vsp1_rwpf_get_crop(rwpf, state); + crop = v4l2_subdev_state_get_crop(state, RWPF_PAD_SINK); crop->left = 0; crop->top = 0; crop->width = fmt->format.width; @@ -113,8 +152,7 @@ static int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, } /* Propagate the format to the source pad. */ - format = vsp1_entity_get_pad_format(&rwpf->entity, state, - RWPF_PAD_SOURCE); + format = v4l2_subdev_state_get_format(state, RWPF_PAD_SOURCE); *format = fmt->format; if (rwpf->flip.rotate) { @@ -153,12 +191,11 @@ static int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev, switch (sel->target) { case V4L2_SEL_TGT_CROP: - sel->r = *vsp1_rwpf_get_crop(rwpf, state); + sel->r = *v4l2_subdev_state_get_crop(state, RWPF_PAD_SINK); break; case V4L2_SEL_TGT_CROP_BOUNDS: - format = vsp1_entity_get_pad_format(&rwpf->entity, state, - RWPF_PAD_SINK); + format = v4l2_subdev_state_get_format(state, RWPF_PAD_SINK); sel->r.left = 0; sel->r.top = 0; sel->r.width = format->width; @@ -204,8 +241,7 @@ static int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev, } /* Make sure the crop rectangle is entirely contained in the image. */ - format = vsp1_entity_get_pad_format(&rwpf->entity, state, - RWPF_PAD_SINK); + format = v4l2_subdev_state_get_format(state, RWPF_PAD_SINK); /* * Restrict the crop rectangle coordinates to multiples of 2 to avoid @@ -225,12 +261,11 @@ static int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev, sel->r.height = min_t(unsigned int, sel->r.height, format->height - sel->r.top); - crop = vsp1_rwpf_get_crop(rwpf, state); + crop = v4l2_subdev_state_get_crop(state, RWPF_PAD_SINK); *crop = sel->r; /* Propagate the format to the source pad. */ - format = vsp1_entity_get_pad_format(&rwpf->entity, state, - RWPF_PAD_SOURCE); + format = v4l2_subdev_state_get_format(state, RWPF_PAD_SOURCE); format->width = crop->width; format->height = crop->height; |