Re: [PATCH v2 2/9] media: uapi: Add MIPI packed 14bit luma

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Jacopo,

Thank you for the patch.

On Fri, Feb 23, 2024 at 05:30:04PM +0100, Jacopo Mondi wrote:
> From: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
> 
> Add the Y14P format to describe monochrome 14 bit image format
> packed according to the RAW14 format as defined by the MIPI
> CSI-2 specification.
> 
> Signed-off-by: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
> Signed-off-by: Jacopo Mondi <jacopo.mondi@xxxxxxxxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
>  .../media/v4l/pixfmt-yuv-luma.rst             | 37 +++++++++++++++++++
>  drivers/media/v4l2-core/v4l2-ioctl.c          |  1 +
>  include/uapi/linux/videodev2.h                |  1 +
>  3 files changed, 39 insertions(+)
> 
> diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst
> index 585d736f36e5..3af6e3cb70c4 100644
> --- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst
> +++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst
> @@ -36,6 +36,8 @@ are often referred to as greyscale formats.
>        - Byte 2
>        - Byte 3
>        - Byte 4
> +      - Byte 5
> +      - Byte 6
>  
>      * .. _V4L2-PIX-FMT-GREY:
>  
> @@ -47,6 +49,8 @@ are often referred to as greyscale formats.
>        - ...
>        - ...
>        - ...
> +      - ...
> +      - ...
>  
>      * .. _V4L2-PIX-FMT-IPU3-Y10:
>  
> @@ -58,6 +62,8 @@ are often referred to as greyscale formats.
>        - Y'\ :sub:`2`\ [3:0] Y'\ :sub:`1`\ [9:6]
>        - Y'\ :sub:`3`\ [1:0] Y'\ :sub:`2`\ [9:4]
>        - Y'\ :sub:`3`\ [9:2]
> +      - ...
> +      - ...
>  
>      * .. _V4L2-PIX-FMT-Y10:
>  
> @@ -69,6 +75,8 @@ are often referred to as greyscale formats.
>        - ...
>        - ...
>        - ...
> +      - ...
> +      - ...
>  
>      * .. _V4L2-PIX-FMT-Y10BPACK:
>  
> @@ -80,6 +88,8 @@ are often referred to as greyscale formats.
>        - Y'\ :sub:`1`\ [3:0] Y'\ :sub:`2`\ [9:6]
>        - Y'\ :sub:`2`\ [5:0] Y'\ :sub:`3`\ [9:8]
>        - Y'\ :sub:`3`\ [7:0]
> +      - ...
> +      - ...
>  
>      * .. _V4L2-PIX-FMT-Y10P:
>  
> @@ -91,6 +101,8 @@ are often referred to as greyscale formats.
>        - Y'\ :sub:`2`\ [9:2]
>        - Y'\ :sub:`3`\ [9:2]
>        - Y'\ :sub:`3`\ [1:0] Y'\ :sub:`2`\ [1:0] Y'\ :sub:`1`\ [1:0] Y'\ :sub:`0`\ [1:0]
> +      - ...
> +      - ...
>  
>      * .. _V4L2-PIX-FMT-Y12:
>  
> @@ -102,6 +114,8 @@ are often referred to as greyscale formats.
>        - ...
>        - ...
>        - ...
> +      - ...
> +      - ...
>  
>      * .. _V4L2-PIX-FMT-Y012:
>  
> @@ -113,6 +127,8 @@ are often referred to as greyscale formats.
>        - ...
>        - ...
>        - ...
> +      - ...
> +      - ...
>  
>      * .. _V4L2-PIX-FMT-Y12P:
>  
> @@ -124,6 +140,8 @@ are often referred to as greyscale formats.
>        -  Y'\ :sub:`1`\ [3:0] Y'\ :sub:`0`\ [3:0]
>        - ...
>        - ...
> +      - ...
> +      - ...
>  
>      * .. _V4L2-PIX-FMT-Y14:
>  
> @@ -135,6 +153,21 @@ are often referred to as greyscale formats.
>        - ...
>        - ...
>        - ...
> +      - ...
> +      - ...
> +
> +    * .. _V4L2-PIX-FMT-Y14P:
> +
> +      - ``V4L2_PIX_FMT_Y14P``
> +      - 'Y14P'
> +
> +      -  Y'\ :sub:`0`\ [13:6]
> +      -  Y'\ :sub:`1`\ [13:6]
> +      -  Y'\ :sub:`2`\ [13:6]
> +      -  Y'\ :sub:`3`\ [13:6]
> +      -  Y'\ :sub:`1`\ [1:0] Y'\ :sub:`0`\ [5:0]
> +      -  Y'\ :sub:`2`\ [3:0] Y'\ :sub:`1`\ [5:2]
> +      -  Y'\ :sub:`3`\ [5:0] Y'\ :sub:`2`\ [5:4]
>  
>      * .. _V4L2-PIX-FMT-Y16:
>  
> @@ -146,6 +179,8 @@ are often referred to as greyscale formats.
>        - ...
>        - ...
>        - ...
> +      - ...
> +      - ...
>  
>      * .. _V4L2-PIX-FMT-Y16-BE:
>  
> @@ -157,6 +192,8 @@ are often referred to as greyscale formats.
>        - ...
>        - ...
>        - ...
> +      - ...
> +      - ...
>  
>  .. raw:: latex
>  
> diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
> index 9cb09334161b..d0724240a446 100644
> --- a/drivers/media/v4l2-core/v4l2-ioctl.c
> +++ b/drivers/media/v4l2-core/v4l2-ioctl.c
> @@ -1312,6 +1312,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
>  	case V4L2_PIX_FMT_Y10BPACK:	descr = "10-bit Greyscale (Packed)"; break;
>  	case V4L2_PIX_FMT_Y10P:		descr = "10-bit Greyscale (MIPI Packed)"; break;
>  	case V4L2_PIX_FMT_Y12P:		descr = "12-bit Greyscale (MIPI Packed)"; break;
> +	case V4L2_PIX_FMT_Y14P:		descr = "14-bit Greyscale (MIPI Packed)"; break;
>  	case V4L2_PIX_FMT_IPU3_Y10:	descr = "10-bit greyscale (IPU3 Packed)"; break;
>  	case V4L2_PIX_FMT_Y8I:		descr = "Interleaved 8-bit Greyscale"; break;
>  	case V4L2_PIX_FMT_Y12I:		descr = "Interleaved 12-bit Greyscale"; break;
> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> index 11ebf9b22ccb..911f00ed28fd 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -599,6 +599,7 @@ struct v4l2_pix_format {
>  #define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '0', 'B') /* 10  Greyscale bit-packed */
>  #define V4L2_PIX_FMT_Y10P    v4l2_fourcc('Y', '1', '0', 'P') /* 10  Greyscale, MIPI RAW10 packed */
>  #define V4L2_PIX_FMT_Y12P    v4l2_fourcc('Y', '1', '2', 'P') /* 12  Greyscale, MIPI RAW12 packed */
> +#define V4L2_PIX_FMT_Y14P    v4l2_fourcc('Y', '1', '4', 'P') /* 14  Greyscale, MIPI RAW14 packed */
>  #define V4L2_PIX_FMT_IPU3_Y10		v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
>  
>  /* Palette formats */

-- 
Regards,

Laurent Pinchart




[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]

  Powered by Linux