From 18b3b3b8edb136d90e5d16d986ce9ae7eaeb0776 Mon Sep 17 00:00:00 2001 From: Ricardo Ribalda Date: Mon, 4 May 2015 05:07:29 -0300 Subject: [PATCH] [media] media/vivid: Add support for Y16 format Support for V4L2_PIX_FMT_Y16, a 16 bit greyscale format. Signed-off-by: Ricardo Ribalda Delgado Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/vivid/vivid-tpg.c | 9 ++++++++- drivers/media/platform/vivid/vivid-vid-common.c | 8 ++++++++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c index 4df755aa7e48..9e50303a19c5 100644 --- a/drivers/media/platform/vivid/vivid-tpg.c +++ b/drivers/media/platform/vivid/vivid-tpg.c @@ -220,6 +220,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) case V4L2_PIX_FMT_ARGB32: case V4L2_PIX_FMT_ABGR32: case V4L2_PIX_FMT_GREY: + case V4L2_PIX_FMT_Y16: tpg->is_yuv = false; break; case V4L2_PIX_FMT_YUV444: @@ -313,6 +314,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) case V4L2_PIX_FMT_YUV444: case V4L2_PIX_FMT_YUV555: case V4L2_PIX_FMT_YUV565: + case V4L2_PIX_FMT_Y16: tpg->twopixelsize[0] = 2 * 2; break; case V4L2_PIX_FMT_RGB24: @@ -712,7 +714,8 @@ static void precalculate_color(struct tpg_data *tpg, int k) g <<= 4; b <<= 4; } - if (tpg->qual == TPG_QUAL_GRAY || tpg->fourcc == V4L2_PIX_FMT_GREY) { + if (tpg->qual == TPG_QUAL_GRAY || tpg->fourcc == V4L2_PIX_FMT_GREY || + tpg->fourcc == V4L2_PIX_FMT_Y16) { /* Rec. 709 Luma function */ /* (0.2126, 0.7152, 0.0722) * (255 * 256) */ r = g = b = (13879 * r + 46688 * g + 4713 * b) >> 16; @@ -895,6 +898,10 @@ static void gen_twopix(struct tpg_data *tpg, case V4L2_PIX_FMT_GREY: buf[0][offset] = r_y; break; + case V4L2_PIX_FMT_Y16: + buf[0][offset] = 0; + buf[0][offset+1] = r_y; + break; case V4L2_PIX_FMT_YUV422P: case V4L2_PIX_FMT_YUV420: case V4L2_PIX_FMT_YUV420M: diff --git a/drivers/media/platform/vivid/vivid-vid-common.c b/drivers/media/platform/vivid/vivid-vid-common.c index 6ba874420485..96ccd3c38dd2 100644 --- a/drivers/media/platform/vivid/vivid-vid-common.c +++ b/drivers/media/platform/vivid/vivid-vid-common.c @@ -188,6 +188,14 @@ struct vivid_fmt vivid_formats[] = { .planes = 1, .buffers = 1, }, + { + .fourcc = V4L2_PIX_FMT_Y16, + .vdownsampling = { 1 }, + .bit_depth = { 16 }, + .is_yuv = true, + .planes = 1, + .buffers = 1, + }, { .fourcc = V4L2_PIX_FMT_RGB332, /* rrrgggbb */ .vdownsampling = { 1 }, -- 2.20.1