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[media] vivid: add support for PIX_FMT_RGB332 

Add support for the one-byte-per-pixel RGB332 format.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2015-03-12 15:40:36 -03:00 committed by Mauro Carvalho Chehab
parent dde72bd773
commit 71491063b8
2 changed files with 20 additions and 0 deletions
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12
drivers/media/platform/vivid/vivid-tpg.c
View File

@ -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);

8
drivers/media/platform/vivid/vivid-vid-common.c
View File

@ -170,6 +170,14 @@ struct vivid_fmt vivid_formats[] = {
.planes = 1,
.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 */