[media] coda: add support for planar YCbCr 4:2:2 (YUV422P) format
This patch adds support for the three-plane YUV422P format with one luma plane
and two horizontally subsampled chroma planes.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index fde7775..746a615 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -1591,6 +1591,7 @@
struct coda_q_data *q_data_dst;
struct vb2_buffer *dst_buf;
struct coda_timestamp *ts;
+ unsigned long payload;
int width, height;
int decoded_idx;
int display_idx;
@@ -1776,7 +1777,18 @@
dst_buf->v4l2_buf.timecode = ts->timecode;
dst_buf->v4l2_buf.timestamp = ts->timestamp;
- vb2_set_plane_payload(dst_buf, 0, width * height * 3 / 2);
+ switch (q_data_dst->fourcc) {
+ case V4L2_PIX_FMT_YUV420:
+ case V4L2_PIX_FMT_YVU420:
+ case V4L2_PIX_FMT_NV12:
+ default:
+ payload = width * height * 3 / 2;
+ break;
+ case V4L2_PIX_FMT_YUV422P:
+ payload = width * height * 2;
+ break;
+ }
+ vb2_set_plane_payload(dst_buf, 0, payload);
v4l2_m2m_buf_done(dst_buf, ctx->frame_errors[display_idx] ?
VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index 02d47fa..48be973 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -100,6 +100,9 @@
base_cb = base_y + q_data->bytesperline * q_data->height;
base_cr = base_cb + q_data->bytesperline * q_data->height / 4;
break;
+ case V4L2_PIX_FMT_YUV422P:
+ base_cb = base_y + q_data->bytesperline * q_data->height;
+ base_cr = base_cb + q_data->bytesperline * q_data->height / 2;
}
coda_write(ctx->dev, base_y, reg_y);
@@ -124,6 +127,10 @@
.fourcc = V4L2_PIX_FMT_NV12,
},
{
+ .name = "YUV 4:2:2 Planar, YCbCr",
+ .fourcc = V4L2_PIX_FMT_YUV422P,
+ },
+ {
.name = "H264 Encoded Stream",
.fourcc = V4L2_PIX_FMT_H264,
},
@@ -168,6 +175,7 @@
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YVU420:
case V4L2_PIX_FMT_NV12:
+ case V4L2_PIX_FMT_YUV422P:
return true;
default:
return false;
@@ -393,6 +401,11 @@
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
f->fmt.pix.height * 3 / 2;
break;
+ case V4L2_PIX_FMT_YUV422P:
+ f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
+ f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
+ f->fmt.pix.height * 2;
+ break;
case V4L2_PIX_FMT_H264:
case V4L2_PIX_FMT_MPEG4:
case V4L2_PIX_FMT_JPEG: