[media] vivid: add support for 8-bit Bayer formats
Add support for: PIX_FMT_SBGGR8, SGBRG8, SGRBG8 and SRGGB8.
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 7079460..9656e4d 100644
--- a/drivers/media/platform/vivid/vivid-tpg.c
+++ b/drivers/media/platform/vivid/vivid-tpg.c
@@ -181,6 +181,7 @@
tpg->planes = 1;
tpg->buffers = 1;
tpg->recalc_colors = true;
+ tpg->interleaved = false;
tpg->vdownsampling[0] = 1;
tpg->hdownsampling[0] = 1;
tpg->hmask[0] = ~0;
@@ -188,6 +189,15 @@
tpg->hmask[2] = ~0;
switch (fourcc) {
+ case V4L2_PIX_FMT_SBGGR8:
+ case V4L2_PIX_FMT_SGBRG8:
+ case V4L2_PIX_FMT_SGRBG8:
+ case V4L2_PIX_FMT_SRGGB8:
+ tpg->interleaved = true;
+ tpg->vdownsampling[1] = 1;
+ tpg->hdownsampling[1] = 1;
+ tpg->planes = 2;
+ /* fall through */
case V4L2_PIX_FMT_RGB332:
case V4L2_PIX_FMT_RGB565:
case V4L2_PIX_FMT_RGB565X:
@@ -326,13 +336,14 @@
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV12M:
case V4L2_PIX_FMT_NV21M:
- tpg->twopixelsize[0] = 2;
- tpg->twopixelsize[1] = 2;
- break;
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV61:
case V4L2_PIX_FMT_NV16M:
case V4L2_PIX_FMT_NV61M:
+ case V4L2_PIX_FMT_SBGGR8:
+ case V4L2_PIX_FMT_SGBRG8:
+ case V4L2_PIX_FMT_SGRBG8:
+ case V4L2_PIX_FMT_SRGGB8:
tpg->twopixelsize[0] = 2;
tpg->twopixelsize[1] = 2;
break;
@@ -1011,6 +1022,35 @@
buf[0][offset + 2] = r_y;
buf[0][offset + 3] = alpha;
break;
+ case V4L2_PIX_FMT_SBGGR8:
+ buf[0][offset] = odd ? g_u : b_v;
+ buf[1][offset] = odd ? r_y : g_u;
+ break;
+ case V4L2_PIX_FMT_SGBRG8:
+ buf[0][offset] = odd ? b_v : g_u;
+ buf[1][offset] = odd ? g_u : r_y;
+ break;
+ case V4L2_PIX_FMT_SGRBG8:
+ buf[0][offset] = odd ? r_y : g_u;
+ buf[1][offset] = odd ? g_u : b_v;
+ break;
+ case V4L2_PIX_FMT_SRGGB8:
+ buf[0][offset] = odd ? g_u : r_y;
+ buf[1][offset] = odd ? b_v : g_u;
+ break;
+ }
+}
+
+unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line)
+{
+ switch (tpg->fourcc) {
+ case V4L2_PIX_FMT_SBGGR8:
+ case V4L2_PIX_FMT_SGBRG8:
+ case V4L2_PIX_FMT_SGRBG8:
+ case V4L2_PIX_FMT_SRGGB8:
+ return buf_line & 1;
+ default:
+ return 0;
}
}
@@ -1614,6 +1654,8 @@
basep[p][1] += h * stride / 2;
else if (tpg->field == V4L2_FIELD_SEQ_BT)
basep[p][0] += h * stride / 2;
+ if (p == 0 && tpg->interleaved)
+ tpg_calc_text_basep(tpg, basep, 1, vbuf);
}
static int tpg_pattern_avg(const struct tpg_data *tpg,
@@ -1990,6 +2032,13 @@
src_y++;
}
+ /*
+ * For line-interleaved formats determine the 'plane'
+ * based on the buffer line.
+ */
+ if (tpg_g_interleaved(tpg))
+ p = tpg_g_interleaved_plane(tpg, buf_line);
+
if (tpg->vdownsampling[p] > 1) {
/*
* When doing vertical downsampling the field setting
@@ -2036,7 +2085,7 @@
return;
}
- for (i = 0; i < tpg->planes; i++) {
+ for (i = 0; i < tpg_g_planes(tpg); i++) {
tpg_fill_plane_buffer(tpg, std, i, vbuf + offset);
offset += tpg_calc_plane_size(tpg, i);
}
diff --git a/drivers/media/platform/vivid/vivid-tpg.h b/drivers/media/platform/vivid/vivid-tpg.h
index 82ce9bf..a50cd2e 100644
--- a/drivers/media/platform/vivid/vivid-tpg.h
+++ b/drivers/media/platform/vivid/vivid-tpg.h
@@ -140,6 +140,7 @@
unsigned real_rgb_range;
unsigned buffers;
unsigned planes;
+ bool interleaved;
u8 vdownsampling[TPG_MAX_PLANES];
u8 hdownsampling[TPG_MAX_PLANES];
/*
@@ -197,6 +198,7 @@
u8 *basep[TPG_MAX_PLANES][2], int y, int x, char *text);
void tpg_calc_text_basep(struct tpg_data *tpg,
u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf);
+unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line);
void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std,
unsigned p, u8 *vbuf);
void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std,
@@ -346,7 +348,12 @@
static inline unsigned tpg_g_planes(const struct tpg_data *tpg)
{
- return tpg->planes;
+ return tpg->interleaved ? 1 : tpg->planes;
+}
+
+static inline bool tpg_g_interleaved(const struct tpg_data *tpg)
+{
+ return tpg->interleaved;
}
static inline unsigned tpg_g_twopixelsize(const struct tpg_data *tpg, unsigned plane)
@@ -386,7 +393,7 @@
return;
}
- for (p = 0; p < tpg->planes; p++) {
+ for (p = 0; p < tpg_g_planes(tpg); p++) {
unsigned plane_w = bpl * tpg->twopixelsize[p] / tpg->twopixelsize[0];
tpg->bytesperline[p] = plane_w / tpg->hdownsampling[p];
@@ -401,7 +408,7 @@
if (tpg->buffers > 1)
return tpg_g_bytesperline(tpg, plane);
- for (p = 0; p < tpg->planes; p++) {
+ for (p = 0; p < tpg_g_planes(tpg); p++) {
unsigned plane_w = tpg_g_bytesperline(tpg, p);
w += plane_w / tpg->vdownsampling[p];
@@ -417,7 +424,7 @@
if (tpg->buffers > 1)
return bpl;
- for (p = 0; p < tpg->planes; p++) {
+ for (p = 0; p < tpg_g_planes(tpg); p++) {
unsigned plane_w = bpl * tpg->twopixelsize[p] / tpg->twopixelsize[0];
plane_w /= tpg->hdownsampling[p];
@@ -428,7 +435,7 @@
static inline unsigned tpg_calc_plane_size(const struct tpg_data *tpg, unsigned plane)
{
- if (plane >= tpg->planes)
+ if (plane >= tpg_g_planes(tpg))
return 0;
return tpg_g_bytesperline(tpg, plane) * tpg->buf_height /
diff --git a/drivers/media/platform/vivid/vivid-vid-common.c b/drivers/media/platform/vivid/vivid-vid-common.c
index 8f0910d..283b2e8 100644
--- a/drivers/media/platform/vivid/vivid-vid-common.c
+++ b/drivers/media/platform/vivid/vivid-vid-common.c
@@ -384,6 +384,38 @@
.alpha_mask = 0xff000000,
},
{
+ .name = "Bayer BG/GR",
+ .fourcc = V4L2_PIX_FMT_SBGGR8, /* Bayer BG/GR */
+ .vdownsampling = { 1 },
+ .bit_depth = { 8 },
+ .planes = 1,
+ .buffers = 1,
+ },
+ {
+ .name = "Bayer GB/RG",
+ .fourcc = V4L2_PIX_FMT_SGBRG8, /* Bayer GB/RG */
+ .vdownsampling = { 1 },
+ .bit_depth = { 8 },
+ .planes = 1,
+ .buffers = 1,
+ },
+ {
+ .name = "Bayer GR/BG",
+ .fourcc = V4L2_PIX_FMT_SGRBG8, /* Bayer GR/BG */
+ .vdownsampling = { 1 },
+ .bit_depth = { 8 },
+ .planes = 1,
+ .buffers = 1,
+ },
+ {
+ .name = "Bayer RG/GB",
+ .fourcc = V4L2_PIX_FMT_SRGGB8, /* Bayer RG/GB */
+ .vdownsampling = { 1 },
+ .bit_depth = { 8 },
+ .planes = 1,
+ .buffers = 1,
+ },
+ {
.name = "4:2:2, biplanar, YUV",
.fourcc = V4L2_PIX_FMT_NV16M,
.vdownsampling = { 1, 1 },