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[media] v4l2-tpg: add Y10 and Y12 support

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Support the 10 and 12 bit luma formats.

Signed-off-by: Hans Verkuil <hansverk@cisco.com>
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 2017-09-15 11:51:44 -03:00 committed by Mauro Carvalho Chehab
parent 5dfbf6c51c
commit b89fdb5e50
1 changed files with 12 additions and 0 deletions
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12
drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
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@ -238,6 +238,8 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
tpg->color_enc = TGP_COLOR_ENC_RGB;
break;
case V4L2_PIX_FMT_GREY:
case V4L2_PIX_FMT_Y10:
case V4L2_PIX_FMT_Y12:
case V4L2_PIX_FMT_Y16:
case V4L2_PIX_FMT_Y16_BE:
tpg->color_enc = TGP_COLOR_ENC_LUMA;
@ -352,6 +354,8 @@ 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_Y10:
case V4L2_PIX_FMT_Y12:
case V4L2_PIX_FMT_Y16:
case V4L2_PIX_FMT_Y16_BE:
tpg->twopixelsize[0] = 2 * 2;
@ -1056,6 +1060,14 @@ static void gen_twopix(struct tpg_data *tpg,
case V4L2_PIX_FMT_GREY:
buf[0][offset] = r_y_h;
break;
case V4L2_PIX_FMT_Y10:
buf[0][offset] = (r_y_h << 2) & 0xff;
buf[0][offset+1] = r_y_h >> 6;
break;
case V4L2_PIX_FMT_Y12:
buf[0][offset] = (r_y_h << 4) & 0xff;
buf[0][offset+1] = r_y_h >> 4;
break;
case V4L2_PIX_FMT_Y16:
/*
* Ideally both bytes should be set to r_y_h, but then you won't