[media] vivid: add support for [A|X]RGB555X

Only RGB555X was supported, add support for the other two variants.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c
index fe546e9..a906cc5 100644 (file)
--- a/drivers/media/platform/vivid/vivid-tpg.c
+++ b/drivers/media/platform/vivid/vivid-tpg.c
@@ -197,6 +197,8 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
        case V4L2_PIX_FMT_XRGB555:
        case V4L2_PIX_FMT_ARGB555:
        case V4L2_PIX_FMT_RGB555X:
+       case V4L2_PIX_FMT_XRGB555X:
+       case V4L2_PIX_FMT_ARGB555X:
        case V4L2_PIX_FMT_RGB24:
        case V4L2_PIX_FMT_BGR24:
        case V4L2_PIX_FMT_RGB32:
@@ -274,6 +276,8 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
        case V4L2_PIX_FMT_XRGB555:
        case V4L2_PIX_FMT_ARGB555:
        case V4L2_PIX_FMT_RGB555X:
+       case V4L2_PIX_FMT_XRGB555X:
+       case V4L2_PIX_FMT_ARGB555X:
        case V4L2_PIX_FMT_YUYV:
        case V4L2_PIX_FMT_UYVY:
        case V4L2_PIX_FMT_YVYU:
@@ -718,6 +722,8 @@ static void precalculate_color(struct tpg_data *tpg, int k)
                case V4L2_PIX_FMT_XRGB555:
                case V4L2_PIX_FMT_ARGB555:
                case V4L2_PIX_FMT_RGB555X:
+               case V4L2_PIX_FMT_XRGB555X:
+               case V4L2_PIX_FMT_ARGB555X:
                        r >>= 7;
                        g >>= 7;
                        b >>= 7;
@@ -885,6 +891,10 @@ static void gen_twopix(struct tpg_data *tpg,
                buf[0][offset + 1] = (alpha & 0x80) | (r_y << 2) | (g_u >> 3);
                break;
        case V4L2_PIX_FMT_RGB555X:
+       case V4L2_PIX_FMT_XRGB555X:
+               alpha = 0;
+               /* fall through */
+       case V4L2_PIX_FMT_ARGB555X:
                buf[0][offset] = (alpha & 0x80) | (r_y << 2) | (g_u >> 3);
                buf[0][offset + 1] = (g_u << 5) | b_v;
                break;

diff --git a/drivers/media/platform/vivid/vivid-vid-common.c b/drivers/media/platform/vivid/vivid-vid-common.c
index 453a5ad..81e6c82 100644 (file)
--- a/drivers/media/platform/vivid/vivid-vid-common.c
+++ b/drivers/media/platform/vivid/vivid-vid-common.c
@@ -230,7 +230,23 @@ struct vivid_fmt vivid_formats[] = {
                .bit_depth = { 16 },
                .planes   = 1,
                .buffers = 1,
-               .can_do_overlay = true,
+       },
+       {
+               .name     = "XRGB555 (BE)",
+               .fourcc   = V4L2_PIX_FMT_XRGB555X, /* xrrrrrgg gggbbbbb */
+               .vdownsampling = { 1 },
+               .bit_depth = { 16 },
+               .planes   = 1,
+               .buffers = 1,
+       },
+       {
+               .name     = "ARGB555 (BE)",
+               .fourcc   = V4L2_PIX_FMT_ARGB555X, /* arrrrrgg gggbbbbb */
+               .vdownsampling = { 1 },
+               .bit_depth = { 16 },
+               .planes   = 1,
+               .buffers = 1,
+               .alpha_mask = 0x0080,
        },
        {
                .name     = "RGB24 (LE)",