From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Add support for the one-byte-per-pixel RGB332 format.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/platform/vivid/vivid-tpg.c | 12 ++++++++++++
drivers/media/platform/vivid/vivid-vid-common.c | 8 ++++++++
2 files changed, 20 insertions(+)
diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c
index 787747b..ec9ffc4 100644
--- a/drivers/media/platform/vivid/vivid-tpg.c
+++ b/drivers/media/platform/vivid/vivid-tpg.c
@@ -188,6 +188,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
tpg->hmask[2] = ~0;
switch (fourcc) {
+ case V4L2_PIX_FMT_RGB332:
case V4L2_PIX_FMT_RGB565:
case V4L2_PIX_FMT_RGB565X:
case V4L2_PIX_FMT_RGB444:
@@ -274,6 +275,9 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
}
switch (fourcc) {
+ case V4L2_PIX_FMT_RGB332:
+ tpg->twopixelsize[0] = 2;
+ break;
case V4L2_PIX_FMT_RGB565:
case V4L2_PIX_FMT_RGB565X:
case V4L2_PIX_FMT_RGB444:
@@ -717,6 +721,11 @@ static void precalculate_color(struct tpg_data *tpg, int k)
b = (b * 219) / 255 + (16 << 4);
}
switch (tpg->fourcc) {
+ case V4L2_PIX_FMT_RGB332:
+ r >>= 9;
+ g >>= 9;
+ b >>= 10;
+ break;
case V4L2_PIX_FMT_RGB565:
case V4L2_PIX_FMT_RGB565X:
r >>= 7;
@@ -890,6 +899,9 @@ static void gen_twopix(struct tpg_data *tpg,
buf[0][0] = b_v;
buf[0][2] = g_u;
break;
+ case V4L2_PIX_FMT_RGB332:
+ buf[0][offset] = (r_y << 5) | (g_u << 2) | b_v;
+ break;
case V4L2_PIX_FMT_RGB565:
buf[0][offset] = (g_u << 5) | b_v;
buf[0][offset + 1] = (r_y << 3) | (g_u >> 3);
diff --git a/drivers/media/platform/vivid/vivid-vid-common.c b/drivers/media/platform/vivid/vivid-vid-common.c
index aa89850..9e8c06a 100644
--- a/drivers/media/platform/vivid/vivid-vid-common.c
+++ b/drivers/media/platform/vivid/vivid-vid-common.c
@@ -171,6 +171,14 @@ struct vivid_fmt vivid_formats[] = {
.buffers = 1,
},
{
+ .name = "RGB332",
+ .fourcc = V4L2_PIX_FMT_RGB332, /* rrrgggbb */
+ .vdownsampling = { 1 },
+ .bit_depth = { 8 },
+ .planes = 1,
+ .buffers = 1,
+ },
+ {
.name = "RGB565 (LE)",
.fourcc = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
.vdownsampling = { 1 },
--
2.1.4
--
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