aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/common
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/common')
-rw-r--r--drivers/media/common/saa7146/saa7146_video.c16
-rw-r--r--drivers/media/common/v4l2-tpg/v4l2-tpg-core.c107
-rw-r--r--drivers/media/common/videobuf2/videobuf2-dma-contig.c23
-rw-r--r--drivers/media/common/videobuf2/videobuf2-v4l2.c8
4 files changed, 130 insertions, 24 deletions
diff --git a/drivers/media/common/saa7146/saa7146_video.c b/drivers/media/common/saa7146/saa7146_video.c
index 4c399a42e874..d16122039b0c 100644
--- a/drivers/media/common/saa7146/saa7146_video.c
+++ b/drivers/media/common/saa7146/saa7146_video.c
@@ -20,62 +20,52 @@ MODULE_PARM_DESC(max_memory, "maximum memory usage for capture buffers (default:
/* format descriptions for capture and preview */
static struct saa7146_format formats[] = {
{
- .name = "RGB-8 (3-3-2)",
.pixelformat = V4L2_PIX_FMT_RGB332,
.trans = RGB08_COMPOSED,
.depth = 8,
.flags = 0,
}, {
- .name = "RGB-16 (5/B-6/G-5/R)",
.pixelformat = V4L2_PIX_FMT_RGB565,
.trans = RGB16_COMPOSED,
.depth = 16,
.flags = 0,
}, {
- .name = "RGB-24 (B-G-R)",
.pixelformat = V4L2_PIX_FMT_BGR24,
.trans = RGB24_COMPOSED,
.depth = 24,
.flags = 0,
}, {
- .name = "RGB-32 (B-G-R)",
.pixelformat = V4L2_PIX_FMT_BGR32,
.trans = RGB32_COMPOSED,
.depth = 32,
.flags = 0,
}, {
- .name = "RGB-32 (R-G-B)",
.pixelformat = V4L2_PIX_FMT_RGB32,
.trans = RGB32_COMPOSED,
.depth = 32,
.flags = 0,
.swap = 0x2,
}, {
- .name = "Greyscale-8",
.pixelformat = V4L2_PIX_FMT_GREY,
.trans = Y8,
.depth = 8,
.flags = 0,
}, {
- .name = "YUV 4:2:2 planar (Y-Cb-Cr)",
.pixelformat = V4L2_PIX_FMT_YUV422P,
.trans = YUV422_DECOMPOSED,
.depth = 16,
.flags = FORMAT_BYTE_SWAP|FORMAT_IS_PLANAR,
}, {
- .name = "YVU 4:2:0 planar (Y-Cb-Cr)",
.pixelformat = V4L2_PIX_FMT_YVU420,
.trans = YUV420_DECOMPOSED,
.depth = 12,
.flags = FORMAT_BYTE_SWAP|FORMAT_IS_PLANAR,
}, {
- .name = "YUV 4:2:0 planar (Y-Cb-Cr)",
.pixelformat = V4L2_PIX_FMT_YUV420,
.trans = YUV420_DECOMPOSED,
.depth = 12,
.flags = FORMAT_IS_PLANAR,
}, {
- .name = "YUV 4:2:2 (U-Y-V-Y)",
.pixelformat = V4L2_PIX_FMT_UYVY,
.trans = YUV422_COMPOSED,
.depth = 16,
@@ -147,10 +137,10 @@ int saa7146_start_preview(struct saa7146_fh *fh)
}
vv->ov.win = fmt.fmt.win;
- DEB_D("%dx%d+%d+%d %s field=%s\n",
+ DEB_D("%dx%d+%d+%d 0x%08x field=%s\n",
vv->ov.win.w.width, vv->ov.win.w.height,
vv->ov.win.w.left, vv->ov.win.w.top,
- vv->ov_fmt->name, v4l2_field_names[vv->ov.win.field]);
+ vv->ov_fmt->pixelformat, v4l2_field_names[vv->ov.win.field]);
if (0 != (ret = saa7146_enable_overlay(fh))) {
DEB_D("enabling overlay failed: %d\n", ret);
@@ -515,8 +505,6 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtd
{
if (f->index >= ARRAY_SIZE(formats))
return -EINVAL;
- strscpy((char *)f->description, formats[f->index].name,
- sizeof(f->description));
f->pixelformat = formats[f->index].pixelformat;
return 0;
}
diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
index 07e0629af8ed..50f1e0b28b25 100644
--- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
+++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
@@ -217,9 +217,21 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
case V4L2_PIX_FMT_RGB444:
case V4L2_PIX_FMT_XRGB444:
case V4L2_PIX_FMT_ARGB444:
+ case V4L2_PIX_FMT_RGBX444:
+ case V4L2_PIX_FMT_RGBA444:
+ case V4L2_PIX_FMT_XBGR444:
+ case V4L2_PIX_FMT_ABGR444:
+ case V4L2_PIX_FMT_BGRX444:
+ case V4L2_PIX_FMT_BGRA444:
case V4L2_PIX_FMT_RGB555:
case V4L2_PIX_FMT_XRGB555:
case V4L2_PIX_FMT_ARGB555:
+ case V4L2_PIX_FMT_RGBX555:
+ case V4L2_PIX_FMT_RGBA555:
+ case V4L2_PIX_FMT_XBGR555:
+ case V4L2_PIX_FMT_ABGR555:
+ case V4L2_PIX_FMT_BGRX555:
+ case V4L2_PIX_FMT_BGRA555:
case V4L2_PIX_FMT_RGB555X:
case V4L2_PIX_FMT_XRGB555X:
case V4L2_PIX_FMT_ARGB555X:
@@ -232,6 +244,10 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
case V4L2_PIX_FMT_XBGR32:
case V4L2_PIX_FMT_ARGB32:
case V4L2_PIX_FMT_ABGR32:
+ case V4L2_PIX_FMT_RGBX32:
+ case V4L2_PIX_FMT_BGRX32:
+ case V4L2_PIX_FMT_RGBA32:
+ case V4L2_PIX_FMT_BGRA32:
tpg->color_enc = TGP_COLOR_ENC_RGB;
break;
case V4L2_PIX_FMT_GREY:
@@ -343,9 +359,21 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
case V4L2_PIX_FMT_RGB444:
case V4L2_PIX_FMT_XRGB444:
case V4L2_PIX_FMT_ARGB444:
+ case V4L2_PIX_FMT_RGBX444:
+ case V4L2_PIX_FMT_RGBA444:
+ case V4L2_PIX_FMT_XBGR444:
+ case V4L2_PIX_FMT_ABGR444:
+ case V4L2_PIX_FMT_BGRX444:
+ case V4L2_PIX_FMT_BGRA444:
case V4L2_PIX_FMT_RGB555:
case V4L2_PIX_FMT_XRGB555:
case V4L2_PIX_FMT_ARGB555:
+ case V4L2_PIX_FMT_RGBX555:
+ case V4L2_PIX_FMT_RGBA555:
+ case V4L2_PIX_FMT_XBGR555:
+ case V4L2_PIX_FMT_ABGR555:
+ case V4L2_PIX_FMT_BGRX555:
+ case V4L2_PIX_FMT_BGRA555:
case V4L2_PIX_FMT_RGB555X:
case V4L2_PIX_FMT_XRGB555X:
case V4L2_PIX_FMT_ARGB555X:
@@ -375,6 +403,10 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
case V4L2_PIX_FMT_XBGR32:
case V4L2_PIX_FMT_ARGB32:
case V4L2_PIX_FMT_ABGR32:
+ case V4L2_PIX_FMT_RGBX32:
+ case V4L2_PIX_FMT_BGRX32:
+ case V4L2_PIX_FMT_RGBA32:
+ case V4L2_PIX_FMT_BGRA32:
case V4L2_PIX_FMT_YUV32:
case V4L2_PIX_FMT_AYUV32:
case V4L2_PIX_FMT_XYUV32:
@@ -1007,6 +1039,12 @@ static void precalculate_color(struct tpg_data *tpg, int k)
case V4L2_PIX_FMT_RGB444:
case V4L2_PIX_FMT_XRGB444:
case V4L2_PIX_FMT_ARGB444:
+ case V4L2_PIX_FMT_RGBX444:
+ case V4L2_PIX_FMT_RGBA444:
+ case V4L2_PIX_FMT_XBGR444:
+ case V4L2_PIX_FMT_ABGR444:
+ case V4L2_PIX_FMT_BGRX444:
+ case V4L2_PIX_FMT_BGRA444:
r >>= 8;
g >>= 8;
b >>= 8;
@@ -1014,6 +1052,12 @@ static void precalculate_color(struct tpg_data *tpg, int k)
case V4L2_PIX_FMT_RGB555:
case V4L2_PIX_FMT_XRGB555:
case V4L2_PIX_FMT_ARGB555:
+ case V4L2_PIX_FMT_RGBX555:
+ case V4L2_PIX_FMT_RGBA555:
+ case V4L2_PIX_FMT_XBGR555:
+ case V4L2_PIX_FMT_ABGR555:
+ case V4L2_PIX_FMT_BGRX555:
+ case V4L2_PIX_FMT_BGRA555:
case V4L2_PIX_FMT_RGB555X:
case V4L2_PIX_FMT_XRGB555X:
case V4L2_PIX_FMT_ARGB555X:
@@ -1237,6 +1281,27 @@ static void gen_twopix(struct tpg_data *tpg,
buf[0][offset] = (g_u_s << 4) | b_v;
buf[0][offset + 1] = (alpha & 0xf0) | r_y_h;
break;
+ case V4L2_PIX_FMT_RGBX444:
+ alpha = 0;
+ /* fall through */
+ case V4L2_PIX_FMT_RGBA444:
+ buf[0][offset] = (b_v << 4) | (alpha >> 4);
+ buf[0][offset + 1] = (r_y_h << 4) | g_u_s;
+ break;
+ case V4L2_PIX_FMT_XBGR444:
+ alpha = 0;
+ /* fall through */
+ case V4L2_PIX_FMT_ABGR444:
+ buf[0][offset] = (g_u_s << 4) | r_y_h;
+ buf[0][offset + 1] = (alpha & 0xf0) | b_v;
+ break;
+ case V4L2_PIX_FMT_BGRX444:
+ alpha = 0;
+ /* fall through */
+ case V4L2_PIX_FMT_BGRA444:
+ buf[0][offset] = (r_y_h << 4) | (alpha >> 4);
+ buf[0][offset + 1] = (b_v << 4) | g_u_s;
+ break;
case V4L2_PIX_FMT_RGB555:
case V4L2_PIX_FMT_XRGB555:
alpha = 0;
@@ -1247,6 +1312,30 @@ static void gen_twopix(struct tpg_data *tpg,
buf[0][offset + 1] = (alpha & 0x80) | (r_y_h << 2)
| (g_u_s >> 3);
break;
+ case V4L2_PIX_FMT_RGBX555:
+ alpha = 0;
+ /* fall through */
+ case V4L2_PIX_FMT_RGBA555:
+ buf[0][offset] = (g_u_s << 6) | (b_v << 1) |
+ ((alpha & 0x80) >> 7);
+ buf[0][offset + 1] = (r_y_h << 3) | (g_u_s >> 2);
+ break;
+ case V4L2_PIX_FMT_XBGR555:
+ alpha = 0;
+ /* fall through */
+ case V4L2_PIX_FMT_ABGR555:
+ buf[0][offset] = (g_u_s << 5) | r_y_h;
+ buf[0][offset + 1] = (alpha & 0x80) | (b_v << 2)
+ | (g_u_s >> 3);
+ break;
+ case V4L2_PIX_FMT_BGRX555:
+ alpha = 0;
+ /* fall through */
+ case V4L2_PIX_FMT_BGRA555:
+ buf[0][offset] = (g_u_s << 6) | (r_y_h << 1) |
+ ((alpha & 0x80) >> 7);
+ buf[0][offset + 1] = (b_v << 3) | (g_u_s >> 2);
+ break;
case V4L2_PIX_FMT_RGB555X:
case V4L2_PIX_FMT_XRGB555X:
alpha = 0;
@@ -1286,6 +1375,15 @@ static void gen_twopix(struct tpg_data *tpg,
buf[0][offset + 2] = g_u_s;
buf[0][offset + 3] = b_v;
break;
+ case V4L2_PIX_FMT_RGBX32:
+ alpha = 0;
+ /* fall through */
+ case V4L2_PIX_FMT_RGBA32:
+ buf[0][offset] = r_y_h;
+ buf[0][offset + 1] = g_u_s;
+ buf[0][offset + 2] = b_v;
+ buf[0][offset + 3] = alpha;
+ break;
case V4L2_PIX_FMT_BGR32:
case V4L2_PIX_FMT_XBGR32:
case V4L2_PIX_FMT_VUYX32:
@@ -1298,6 +1396,15 @@ static void gen_twopix(struct tpg_data *tpg,
buf[0][offset + 2] = r_y_h;
buf[0][offset + 3] = alpha;
break;
+ case V4L2_PIX_FMT_BGRX32:
+ alpha = 0;
+ /* fall through */
+ case V4L2_PIX_FMT_BGRA32:
+ buf[0][offset] = alpha;
+ buf[0][offset + 1] = b_v;
+ buf[0][offset + 2] = g_u_s;
+ buf[0][offset + 3] = r_y_h;
+ break;
case V4L2_PIX_FMT_SBGGR8:
buf[0][offset] = odd ? g_u_s : b_v;
buf[1][offset] = odd ? r_y_h : g_u_s;
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-contig.c b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
index 7d77e4d30c8a..44cd0e530bbd 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-contig.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
@@ -267,8 +267,14 @@ static void vb2_dc_dmabuf_ops_detach(struct dma_buf *dbuf,
/* release the scatterlist cache */
if (attach->dma_dir != DMA_NONE)
- dma_unmap_sg(db_attach->dev, sgt->sgl, sgt->orig_nents,
- attach->dma_dir);
+ /*
+ * Cache sync can be skipped here, as the vb2_dc memory is
+ * allocated from device coherent memory, which means the
+ * memory locations do not require any explicit cache
+ * maintenance prior or after being used by the device.
+ */
+ dma_unmap_sg_attrs(db_attach->dev, sgt->sgl, sgt->orig_nents,
+ attach->dma_dir, DMA_ATTR_SKIP_CPU_SYNC);
sg_free_table(sgt);
kfree(attach);
db_attach->priv = NULL;
@@ -293,14 +299,17 @@ static struct sg_table *vb2_dc_dmabuf_ops_map(
/* release any previous cache */
if (attach->dma_dir != DMA_NONE) {
- dma_unmap_sg(db_attach->dev, sgt->sgl, sgt->orig_nents,
- attach->dma_dir);
+ dma_unmap_sg_attrs(db_attach->dev, sgt->sgl, sgt->orig_nents,
+ attach->dma_dir, DMA_ATTR_SKIP_CPU_SYNC);
attach->dma_dir = DMA_NONE;
}
- /* mapping to the client with new direction */
- sgt->nents = dma_map_sg(db_attach->dev, sgt->sgl, sgt->orig_nents,
- dma_dir);
+ /*
+ * mapping to the client with new direction, no cache sync
+ * required see comment in vb2_dc_dmabuf_ops_detach()
+ */
+ sgt->nents = dma_map_sg_attrs(db_attach->dev, sgt->sgl, sgt->orig_nents,
+ dma_dir, DMA_ATTR_SKIP_CPU_SYNC);
if (!sgt->nents) {
pr_err("failed to map scatterlist\n");
mutex_unlock(lock);
diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/media/common/videobuf2/videobuf2-v4l2.c
index 40d76eb4c2fe..5a9ba3846f0a 100644
--- a/drivers/media/common/videobuf2/videobuf2-v4l2.c
+++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c
@@ -872,17 +872,19 @@ EXPORT_SYMBOL_GPL(vb2_queue_release);
__poll_t vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)
{
struct video_device *vfd = video_devdata(file);
- __poll_t res = 0;
+ __poll_t res;
+
+ res = vb2_core_poll(q, file, wait);
if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) {
struct v4l2_fh *fh = file->private_data;
poll_wait(file, &fh->wait, wait);
if (v4l2_event_pending(fh))
- res = EPOLLPRI;
+ res |= EPOLLPRI;
}
- return res | vb2_core_poll(q, file, wait);
+ return res;
}
EXPORT_SYMBOL_GPL(vb2_poll);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.