module_param(coda_debug, int, 0644);
MODULE_PARM_DESC(coda_debug, "Debug level (0-2)");
-struct coda_fmt {
- char *name;
- u32 fourcc;
-};
-
void coda_write(struct coda_dev *dev, u32 data, u32 reg)
{
v4l2_dbg(2, coda_debug, &dev->v4l2_dev,
coda_write(ctx->dev, base_cr, reg_y + 8);
}
-/*
- * Array of all formats supported by any version of Coda:
- */
-static const struct coda_fmt coda_formats[] = {
- {
- .name = "YUV 4:2:0 Planar, YCbCr",
- .fourcc = V4L2_PIX_FMT_YUV420,
- },
- {
- .name = "YUV 4:2:0 Planar, YCrCb",
- .fourcc = V4L2_PIX_FMT_YVU420,
- },
- {
- .name = "YUV 4:2:0 Partial interleaved Y/CbCr",
- .fourcc = V4L2_PIX_FMT_NV12,
- },
- {
- .name = "YUV 4:2:2 Planar, YCbCr",
- .fourcc = V4L2_PIX_FMT_YUV422P,
- },
- {
- .name = "H264 Encoded Stream",
- .fourcc = V4L2_PIX_FMT_H264,
- },
- {
- .name = "MPEG4 Encoded Stream",
- .fourcc = V4L2_PIX_FMT_MPEG4,
- },
- {
- .name = "JPEG Encoded Images",
- .fourcc = V4L2_PIX_FMT_JPEG,
- },
-};
-
#define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \
{ mode, src_fourcc, dst_fourcc, max_w, max_h }
&coda_bit_decoder,
};
-static bool coda_format_is_yuv(u32 fourcc)
+/*
+ * Normalize all supported YUV 4:2:0 formats to the value used in the codec
+ * tables.
+ */
+static u32 coda_format_normalize_yuv(u32 fourcc)
{
switch (fourcc) {
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YVU420:
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_YUV422P:
- return true;
+ return V4L2_PIX_FMT_YUV420;
default:
- return false;
+ return fourcc;
}
}
-static const char *coda_format_name(u32 fourcc)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(coda_formats); i++) {
- if (coda_formats[i].fourcc == fourcc)
- return coda_formats[i].name;
- }
-
- return NULL;
-}
-
-/*
- * Normalize all supported YUV 4:2:0 formats to the value used in the codec
- * tables.
- */
-static u32 coda_format_normalize_yuv(u32 fourcc)
-{
- return coda_format_is_yuv(fourcc) ? V4L2_PIX_FMT_YUV420 : fourcc;
-}
-
static const struct coda_codec *coda_find_codec(struct coda_dev *dev,
int src_fourcc, int dst_fourcc)
{
struct video_device *vdev = video_devdata(file);
const struct coda_video_device *cvd = to_coda_video_device(vdev);
const u32 *formats;
- const char *name;
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
formats = cvd->src_formats;
if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0)
return -EINVAL;
- name = coda_format_name(formats[f->index]);
- strlcpy(f->description, name, sizeof(f->description));
f->pixelformat = formats[f->index];
- if (!coda_format_is_yuv(formats[f->index]))
- f->flags |= V4L2_FMT_FLAG_COMPRESSED;
return 0;
}