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Commit 8aca230b authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

[media] vivid: add RGB444 support 



Add support for (A/X)RGB444 formats.

Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent b521c375

drivers/media/platform/vivid/vivid-tpg.c

+21 −0
Original line number Diff line number Diff line
@@ -190,6 +190,9 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) 
	switch (fourcc) {

	case V4L2_PIX_FMT_RGB565:

	case V4L2_PIX_FMT_RGB565X:

	case V4L2_PIX_FMT_RGB444:

	case V4L2_PIX_FMT_XRGB444:

	case V4L2_PIX_FMT_ARGB444:

	case V4L2_PIX_FMT_RGB555:

	case V4L2_PIX_FMT_XRGB555:

	case V4L2_PIX_FMT_ARGB555:
@@ -264,6 +267,9 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) 
	switch (fourcc) {

	case V4L2_PIX_FMT_RGB565:

	case V4L2_PIX_FMT_RGB565X:

	case V4L2_PIX_FMT_RGB444:

	case V4L2_PIX_FMT_XRGB444:

	case V4L2_PIX_FMT_ARGB444:

	case V4L2_PIX_FMT_RGB555:

	case V4L2_PIX_FMT_XRGB555:

	case V4L2_PIX_FMT_ARGB555:
@@ -701,6 +707,13 @@ static void precalculate_color(struct tpg_data *tpg, int k) 
			g >>= 6;

			b >>= 7;

			break;

		case V4L2_PIX_FMT_RGB444:

		case V4L2_PIX_FMT_XRGB444:

		case V4L2_PIX_FMT_ARGB444:

			r >>= 8;

			g >>= 8;

			b >>= 8;

			break;

		case V4L2_PIX_FMT_RGB555:

		case V4L2_PIX_FMT_XRGB555:

		case V4L2_PIX_FMT_ARGB555:
@@ -855,6 +868,14 @@ static void gen_twopix(struct tpg_data *tpg, 
		buf[0][offset] = (r_y << 3) | (g_u >> 3);

		buf[0][offset + 1] = (g_u << 5) | b_v;

		break;

	case V4L2_PIX_FMT_RGB444:

	case V4L2_PIX_FMT_XRGB444:

		alpha = 0;

		/* fall through */

	case V4L2_PIX_FMT_ARGB444:

		buf[0][offset] = (g_u << 4) | b_v;

		buf[0][offset + 1] = (alpha & 0xf0) | r_y;

		break;

	case V4L2_PIX_FMT_RGB555:

	case V4L2_PIX_FMT_XRGB555:

		alpha = 0;

drivers/media/platform/vivid/vivid-vid-common.c

+25 −0
Original line number Diff line number Diff line
@@ -170,6 +170,31 @@ struct vivid_fmt vivid_formats[] = { 
		.buffers = 1,

		.can_do_overlay = true,

	},

	{

		.name     = "RGB444",

		.fourcc   = V4L2_PIX_FMT_RGB444, /* xxxxrrrr ggggbbbb */

		.vdownsampling = { 1 },

		.bit_depth = { 16 },

		.planes   = 1,

		.buffers = 1,

	},

	{

		.name     = "XRGB444",

		.fourcc   = V4L2_PIX_FMT_XRGB444, /* xxxxrrrr ggggbbbb */

		.vdownsampling = { 1 },

		.bit_depth = { 16 },

		.planes   = 1,

		.buffers = 1,

	},

	{

		.name     = "ARGB444",

		.fourcc   = V4L2_PIX_FMT_ARGB444, /* aaaarrrr ggggbbbb */

		.vdownsampling = { 1 },

		.bit_depth = { 16 },

		.planes   = 1,

		.buffers = 1,

		.alpha_mask = 0x00f0,

	},

	{

		.name     = "RGB555 (LE)",

		.fourcc   = V4L2_PIX_FMT_RGB555, /* gggbbbbb arrrrrgg */