diff options
| author | Hans Verkuil | 2015-03-13 09:51:21 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2015-04-03 02:04:24 +0200 |
| commit | dde72bd773dfce36fd0fb193d8ac5096f31e041c (patch) | |
| tree | 48a9ee4a3cedeef5e0a45ff37934f27586b4ab4e /drivers/media/platform/vivid/vivid-tpg.c | |
| parent | [media] vivid: add support for [A|X]RGB555X (diff) | |
| download | kernel-qcow2-linux-dde72bd773dfce36fd0fb193d8ac5096f31e041c.tar.gz kernel-qcow2-linux-dde72bd773dfce36fd0fb193d8ac5096f31e041c.tar.xz kernel-qcow2-linux-dde72bd773dfce36fd0fb193d8ac5096f31e041c.zip | |
[media] vivid: add support for NV24 and NV42
Add support for the YUV 4:4:4 formats NV24 and NV42.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/platform/vivid/vivid-tpg.c')
| -rw-r--r-- | drivers/media/platform/vivid/vivid-tpg.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c index a906cc5a0331..0d31532f7f42 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) { |