From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Add support for the YUV 4:4:4 formats NV24 and NV42.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/platform/vivid/vivid-tpg.c | 28 +++++++++++++++++++++++--
drivers/media/platform/vivid/vivid-vid-common.c | 18 ++++++++++++++++
2 files changed, 44 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c
index e4d461a..787747b 100644
--- a/drivers/media/platform/vivid/vivid-tpg.c
+++ b/drivers/media/platform/vivid/vivid-tpg.c
@@ -123,7 +123,7 @@ int tpg_alloc(struct tpg_data *tpg, unsigned max_w)
tpg->max_line_width = max_w;
for (pat = 0; pat < TPG_MAX_PAT_LINES; pat++) {
for (plane = 0; plane < TPG_MAX_PLANES; plane++) {
- unsigned pixelsz = plane ? 1 : 4;
+ unsigned pixelsz = plane ? 2 : 4;
tpg->lines[pat][plane] = vzalloc(max_w * 2 * pixelsz);
if (!tpg->lines[pat][plane])
@@ -136,7 +136,7 @@ int tpg_alloc(struct tpg_data *tpg, unsigned max_w)
}
}
for (plane = 0; plane < TPG_MAX_PLANES; plane++) {
- unsigned pixelsz = plane ? 1 : 4;
+ unsigned pixelsz = plane ? 2 : 4;
tpg->contrast_line[plane] = vzalloc(max_w * pixelsz);
if (!tpg->contrast_line[plane])
@@ -255,6 +255,13 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
tpg->planes = 2;
tpg->is_yuv = true;
break;
+ case V4L2_PIX_FMT_NV24:
+ case V4L2_PIX_FMT_NV42:
+ tpg->vdownsampling[1] = 1;
+ tpg->hdownsampling[1] = 1;
+ tpg->planes = 2;
+ tpg->is_yuv = true;
+ break;
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_UYVY:
case V4L2_PIX_FMT_YVYU:
@@ -322,6 +329,11 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
tpg->twopixelsize[1] = 2;
tpg->twopixelsize[2] = 2;
break;
+ case V4L2_PIX_FMT_NV24:
+ case V4L2_PIX_FMT_NV42:
+ tpg->twopixelsize[0] = 2;
+ tpg->twopixelsize[1] = 4;
+ break;
}
return true;
}
@@ -826,6 +838,18 @@ static void gen_twopix(struct tpg_data *tpg,
buf[1][1] = g_u;
break;
+ case V4L2_PIX_FMT_NV24:
+ buf[0][offset] = r_y;
+ buf[1][2 * offset] = g_u;
+ buf[1][2 * offset + 1] = b_v;
+ break;
+
+ case V4L2_PIX_FMT_NV42:
+ buf[0][offset] = r_y;
+ buf[1][2 * offset] = b_v;
+ buf[1][2 * offset + 1] = g_u;
+ break;
+
case V4L2_PIX_FMT_YUYV:
buf[0][offset] = r_y;
if (odd) {
diff --git a/drivers/media/platform/vivid/vivid-vid-common.c b/drivers/media/platform/vivid/vivid-vid-common.c
index 81e6c82..aa89850 100644
--- a/drivers/media/platform/vivid/vivid-vid-common.c
+++ b/drivers/media/platform/vivid/vivid-vid-common.c
@@ -144,6 +144,24 @@ struct vivid_fmt vivid_formats[] = {
.buffers = 1,
},
{
+ .name = "YUV 4:4:4 biplanar",
+ .fourcc = V4L2_PIX_FMT_NV24,
+ .vdownsampling = { 1, 1 },
+ .bit_depth = { 8, 16 },
+ .is_yuv = true,
+ .planes = 2,
+ .buffers = 1,
+ },
+ {
+ .name = "YVU 4:4:4 biplanar",
+ .fourcc = V4L2_PIX_FMT_NV42,
+ .vdownsampling = { 1, 1 },
+ .bit_depth = { 8, 16 },
+ .is_yuv = true,
+ .planes = 2,
+ .buffers = 1,
+ },
+ {
.name = "Monochrome",
.fourcc = V4L2_PIX_FMT_GREY,
.vdownsampling = { 1 },
--
2.1.4
--
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