Hi Phil
Thanks for the patch.
On Wed, 17 Apr 2013, Phil Edworthy wrote:
> The V4L2_MBUS_FMT_YUYV10_2X10 format has already been added to mediabus, so
> this patch just adds SoC camera support.
>
> Signed-off-by: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>
> ---
> drivers/media/platform/soc_camera/soc_mediabus.c | 15 +++++++++++++++
> include/media/soc_mediabus.h | 3 +++
> 2 files changed, 18 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/media/platform/soc_camera/soc_mediabus.c b/drivers/media/platform/soc_camera/soc_mediabus.c
> index 7569e77..be47d41 100644
> --- a/drivers/media/platform/soc_camera/soc_mediabus.c
> +++ b/drivers/media/platform/soc_camera/soc_mediabus.c
> @@ -57,6 +57,15 @@ static const struct soc_mbus_lookup mbus_fmt[] = {
> .layout = SOC_MBUS_LAYOUT_PACKED,
> },
> }, {
> + .code = V4L2_MBUS_FMT_YUYV10_2X10,
> + .fmt = {
> + .fourcc = V4L2_PIX_FMT_YUYV,
> + .name = "YUYV",
> + .bits_per_sample = 10,
> + .packing = SOC_MBUS_PACKING_2X10_PADHI,
Wow, what kind of host can pack two 10-bit samples into 3 bytes and write
3-byte pixels to memory?
> + .order = SOC_MBUS_ORDER_LE,
> + },
> +}, {
> .code = V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE,
> .fmt = {
> .fourcc = V4L2_PIX_FMT_RGB555,
> @@ -403,6 +412,10 @@ int soc_mbus_samples_per_pixel(const struct soc_mbus_pixelfmt *mf,
> *numerator = 2;
> *denominator = 1;
> return 0;
> + case SOC_MBUS_PACKING_2X10_PADHI:
> + *numerator = 3;
> + *denominator = 1;
Why 3? it's 2 samples per pixel, right? Should be *numerator = 2 above?
> + return 0;
> case SOC_MBUS_PACKING_1_5X8:
> *numerator = 3;
> *denominator = 2;
> @@ -428,6 +441,8 @@ s32 soc_mbus_bytes_per_line(u32 width, const struct soc_mbus_pixelfmt *mf)
> case SOC_MBUS_PACKING_2X8_PADLO:
> case SOC_MBUS_PACKING_EXTEND16:
> return width * 2;
> + case SOC_MBUS_PACKING_2X10_PADHI:
> + return width * 3;
> case SOC_MBUS_PACKING_1_5X8:
> return width * 3 / 2;
> case SOC_MBUS_PACKING_VARIABLE:
> diff --git a/include/media/soc_mediabus.h b/include/media/soc_mediabus.h
> index d33f6d0..b131a47 100644
> --- a/include/media/soc_mediabus.h
> +++ b/include/media/soc_mediabus.h
> @@ -21,6 +21,8 @@
> * @SOC_MBUS_PACKING_2X8_PADHI: 16 bits transferred in 2 8-bit samples, in the
> * possibly incomplete byte high bits are padding
> * @SOC_MBUS_PACKING_2X8_PADLO: as above, but low bits are padding
> + * @SOC_MBUS_PACKING_2X10_PADHI:20 bits transferred in 2 10-bit samples. The
A TAB is missing after ":"?
> + * high bits are padding
> * @SOC_MBUS_PACKING_EXTEND16: sample width (e.g., 10 bits) has to be extended
> * to 16 bits
> * @SOC_MBUS_PACKING_VARIABLE: compressed formats with variable packing
> @@ -33,6 +35,7 @@ enum soc_mbus_packing {
> SOC_MBUS_PACKING_NONE,
> SOC_MBUS_PACKING_2X8_PADHI,
> SOC_MBUS_PACKING_2X8_PADLO,
> + SOC_MBUS_PACKING_2X10_PADHI,
> SOC_MBUS_PACKING_EXTEND16,
> SOC_MBUS_PACKING_VARIABLE,
> SOC_MBUS_PACKING_1_5X8,
> --
> 1.7.5.4
>
Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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