[PATCH v12 02/15] media: uapi: Add 20-bit bayer formats
Lad, Prabhakar
prabhakar.csengg at gmail.com
Tue Oct 28 11:00:39 PDT 2025
On Thu, Oct 2, 2025 at 11:20 AM Daniel Scally
<dan.scally at ideasonboard.com> wrote:
>
> The Mali-C55 requires input data be in 20-bit format, MSB aligned.
> Add some new media bus format macros to represent that input format.
>
> Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> Co-developed-by: Jacopo Mondi <jacopo.mondi at ideasonboard.com>
> Signed-off-by: Jacopo Mondi <jacopo.mondi at ideasonboard.com>
> Signed-off-by: Daniel Scally <dan.scally at ideasonboard.com>
> ---
> Changes in v12:
>
> - None
>
> Changes in v11:
>
> - None
>
> Changes in v10:
>
> - None
>
> Changes in v9:
>
> - None
>
> Changes in v8:
>
> - None
>
> Changes in v7:
>
> - None
>
> Changes in v6:
>
> - Fixed the table formatting
>
> Changes in v5:
>
> - New patch
> ---
> .../userspace-api/media/v4l/subdev-formats.rst | 252 ++++++++++++++++++++-
> include/uapi/linux/media-bus-format.h | 6 +-
> 2 files changed, 255 insertions(+), 3 deletions(-)
>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
Cheers,
Prabhakar
> diff --git a/Documentation/userspace-api/media/v4l/subdev-formats.rst b/Documentation/userspace-api/media/v4l/subdev-formats.rst
> index 57194180fe42f31f88aa0aeb4a4650bf4fb32bcc..ecbe83dcc4b716c77ce37f55fbb8a59b2eed17ab 100644
> --- a/Documentation/userspace-api/media/v4l/subdev-formats.rst
> +++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst
> @@ -2816,7 +2816,7 @@ organization is given as an example for the first pixel only.
> \tiny
> \setlength{\tabcolsep}{2pt}
>
> -.. tabularcolumns:: |p{6.0cm}|p{0.7cm}|p{0.3cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|
> +.. tabularcolumns:: |p{6.0cm}|p{0.7cm}|p{0.3cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|
>
> .. _v4l2-mbus-pixelcode-bayer:
>
> @@ -2829,10 +2829,14 @@ organization is given as an example for the first pixel only.
> * - Identifier
> - Code
> -
> - - :cspan:`15` Data organization
> + - :cspan:`19` Data organization
> * -
> -
> - Bit
> + - 19
> + - 18
> + - 17
> + - 16
> - 15
> - 14
> - 13
> @@ -2862,6 +2866,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - b\ :sub:`7`
> - b\ :sub:`6`
> - b\ :sub:`5`
> @@ -2883,6 +2891,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - g\ :sub:`7`
> - g\ :sub:`6`
> - g\ :sub:`5`
> @@ -2904,6 +2916,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - g\ :sub:`7`
> - g\ :sub:`6`
> - g\ :sub:`5`
> @@ -2925,6 +2941,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - r\ :sub:`7`
> - r\ :sub:`6`
> - r\ :sub:`5`
> @@ -2946,6 +2966,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - b\ :sub:`7`
> - b\ :sub:`6`
> - b\ :sub:`5`
> @@ -2967,6 +2991,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - g\ :sub:`7`
> - g\ :sub:`6`
> - g\ :sub:`5`
> @@ -2988,6 +3016,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - g\ :sub:`7`
> - g\ :sub:`6`
> - g\ :sub:`5`
> @@ -3009,6 +3041,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - r\ :sub:`7`
> - r\ :sub:`6`
> - r\ :sub:`5`
> @@ -3030,6 +3066,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - b\ :sub:`7`
> - b\ :sub:`6`
> - b\ :sub:`5`
> @@ -3051,6 +3091,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - g\ :sub:`7`
> - g\ :sub:`6`
> - g\ :sub:`5`
> @@ -3072,6 +3116,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - g\ :sub:`7`
> - g\ :sub:`6`
> - g\ :sub:`5`
> @@ -3093,6 +3141,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - r\ :sub:`7`
> - r\ :sub:`6`
> - r\ :sub:`5`
> @@ -3114,6 +3166,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - 0
> - 0
> - 0
> @@ -3133,6 +3189,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - b\ :sub:`7`
> - b\ :sub:`6`
> - b\ :sub:`5`
> @@ -3154,6 +3214,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - b\ :sub:`7`
> - b\ :sub:`6`
> - b\ :sub:`5`
> @@ -3173,6 +3237,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - 0
> - 0
> - 0
> @@ -3194,6 +3262,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - b\ :sub:`9`
> - b\ :sub:`8`
> - b\ :sub:`7`
> @@ -3213,6 +3285,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - b\ :sub:`1`
> - b\ :sub:`0`
> - 0
> @@ -3234,6 +3310,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - b\ :sub:`1`
> - b\ :sub:`0`
> - 0
> @@ -3253,6 +3333,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - b\ :sub:`9`
> - b\ :sub:`8`
> - b\ :sub:`7`
> @@ -3272,6 +3356,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - b\ :sub:`9`
> - b\ :sub:`8`
> - b\ :sub:`7`
> @@ -3293,6 +3381,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - g\ :sub:`9`
> - g\ :sub:`8`
> - g\ :sub:`7`
> @@ -3314,6 +3406,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - g\ :sub:`9`
> - g\ :sub:`8`
> - g\ :sub:`7`
> @@ -3335,6 +3431,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - r\ :sub:`9`
> - r\ :sub:`8`
> - r\ :sub:`7`
> @@ -3354,6 +3454,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - b\ :sub:`11`
> - b\ :sub:`10`
> - b\ :sub:`9`
> @@ -3375,6 +3479,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - g\ :sub:`11`
> - g\ :sub:`10`
> - g\ :sub:`9`
> @@ -3396,6 +3504,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - g\ :sub:`11`
> - g\ :sub:`10`
> - g\ :sub:`9`
> @@ -3417,6 +3529,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - r\ :sub:`11`
> - r\ :sub:`10`
> - r\ :sub:`9`
> @@ -3436,6 +3552,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - b\ :sub:`13`
> - b\ :sub:`12`
> - b\ :sub:`11`
> @@ -3457,6 +3577,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - g\ :sub:`13`
> - g\ :sub:`12`
> - g\ :sub:`11`
> @@ -3478,6 +3602,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - g\ :sub:`13`
> - g\ :sub:`12`
> - g\ :sub:`11`
> @@ -3499,6 +3627,10 @@ organization is given as an example for the first pixel only.
> -
> -
> -
> + -
> + -
> + -
> + -
> - r\ :sub:`13`
> - r\ :sub:`12`
> - r\ :sub:`11`
> @@ -3518,6 +3650,10 @@ organization is given as an example for the first pixel only.
> - MEDIA_BUS_FMT_SBGGR16_1X16
> - 0x301d
> -
> + -
> + -
> + -
> + -
> - b\ :sub:`15`
> - b\ :sub:`14`
> - b\ :sub:`13`
> @@ -3539,6 +3675,10 @@ organization is given as an example for the first pixel only.
> - MEDIA_BUS_FMT_SGBRG16_1X16
> - 0x301e
> -
> + -
> + -
> + -
> + -
> - g\ :sub:`15`
> - g\ :sub:`14`
> - g\ :sub:`13`
> @@ -3560,6 +3700,10 @@ organization is given as an example for the first pixel only.
> - MEDIA_BUS_FMT_SGRBG16_1X16
> - 0x301f
> -
> + -
> + -
> + -
> + -
> - g\ :sub:`15`
> - g\ :sub:`14`
> - g\ :sub:`13`
> @@ -3581,6 +3725,110 @@ organization is given as an example for the first pixel only.
> - MEDIA_BUS_FMT_SRGGB16_1X16
> - 0x3020
> -
> + -
> + -
> + -
> + -
> + - r\ :sub:`15`
> + - r\ :sub:`14`
> + - r\ :sub:`13`
> + - r\ :sub:`12`
> + - r\ :sub:`11`
> + - r\ :sub:`10`
> + - r\ :sub:`9`
> + - r\ :sub:`8`
> + - r\ :sub:`7`
> + - r\ :sub:`6`
> + - r\ :sub:`5`
> + - r\ :sub:`4`
> + - r\ :sub:`3`
> + - r\ :sub:`2`
> + - r\ :sub:`1`
> + - r\ :sub:`0`
> + * .. _MEDIA-BUS-FMT-SBGGR20-1X20:
> +
> + - MEDIA_BUS_FMT_SBGGR20_1X20
> + - 0x3021
> + -
> + - b\ :sub:`19`
> + - b\ :sub:`18`
> + - b\ :sub:`17`
> + - b\ :sub:`16`
> + - b\ :sub:`15`
> + - b\ :sub:`14`
> + - b\ :sub:`13`
> + - b\ :sub:`12`
> + - b\ :sub:`11`
> + - b\ :sub:`10`
> + - b\ :sub:`9`
> + - b\ :sub:`8`
> + - b\ :sub:`7`
> + - b\ :sub:`6`
> + - b\ :sub:`5`
> + - b\ :sub:`4`
> + - b\ :sub:`3`
> + - b\ :sub:`2`
> + - b\ :sub:`1`
> + - b\ :sub:`0`
> + * .. _MEDIA-BUS-FMT-SGBRG20-1X20:
> +
> + - MEDIA_BUS_FMT_SGBRG20_1X20
> + - 0x3022
> + -
> + - g\ :sub:`19`
> + - g\ :sub:`18`
> + - g\ :sub:`17`
> + - g\ :sub:`16`
> + - g\ :sub:`15`
> + - g\ :sub:`14`
> + - g\ :sub:`13`
> + - g\ :sub:`12`
> + - g\ :sub:`11`
> + - g\ :sub:`10`
> + - g\ :sub:`9`
> + - g\ :sub:`8`
> + - g\ :sub:`7`
> + - g\ :sub:`6`
> + - g\ :sub:`5`
> + - g\ :sub:`4`
> + - g\ :sub:`3`
> + - g\ :sub:`2`
> + - g\ :sub:`1`
> + - g\ :sub:`0`
> + * .. _MEDIA-BUS-FMT-SGRBG20-1X20:
> +
> + - MEDIA_BUS_FMT_SGRBG20_1X20
> + - 0x3023
> + -
> + - g\ :sub:`19`
> + - g\ :sub:`18`
> + - g\ :sub:`17`
> + - g\ :sub:`16`
> + - g\ :sub:`15`
> + - g\ :sub:`14`
> + - g\ :sub:`13`
> + - g\ :sub:`12`
> + - g\ :sub:`11`
> + - g\ :sub:`10`
> + - g\ :sub:`9`
> + - g\ :sub:`8`
> + - g\ :sub:`7`
> + - g\ :sub:`6`
> + - g\ :sub:`5`
> + - g\ :sub:`4`
> + - g\ :sub:`3`
> + - g\ :sub:`2`
> + - g\ :sub:`1`
> + - g\ :sub:`0`
> + * .. _MEDIA-BUS-FMT-SRGGB20-1X20:
> +
> + - MEDIA_BUS_FMT_SRGGB20_1X20
> + - 0x3024
> + -
> + - r\ :sub:`19`
> + - r\ :sub:`18`
> + - r\ :sub:`17`
> + - r\ :sub:`16`
> - r\ :sub:`15`
> - r\ :sub:`14`
> - r\ :sub:`13`
> diff --git a/include/uapi/linux/media-bus-format.h b/include/uapi/linux/media-bus-format.h
> index 62ad82fd285a8ce24bd16c207c51c0e75ea95070..6005f033e62c04bdd3dff7ac905f5b921341cd47 100644
> --- a/include/uapi/linux/media-bus-format.h
> +++ b/include/uapi/linux/media-bus-format.h
> @@ -124,7 +124,7 @@
> #define MEDIA_BUS_FMT_YUV16_1X48 0x202a
> #define MEDIA_BUS_FMT_UYYVYY16_0_5X48 0x202b
>
> -/* Bayer - next is 0x3021 */
> +/* Bayer - next is 0x3025 */
> #define MEDIA_BUS_FMT_SBGGR8_1X8 0x3001
> #define MEDIA_BUS_FMT_SGBRG8_1X8 0x3013
> #define MEDIA_BUS_FMT_SGRBG8_1X8 0x3002
> @@ -157,6 +157,10 @@
> #define MEDIA_BUS_FMT_SGBRG16_1X16 0x301e
> #define MEDIA_BUS_FMT_SGRBG16_1X16 0x301f
> #define MEDIA_BUS_FMT_SRGGB16_1X16 0x3020
> +#define MEDIA_BUS_FMT_SBGGR20_1X20 0x3021
> +#define MEDIA_BUS_FMT_SGBRG20_1X20 0x3022
> +#define MEDIA_BUS_FMT_SGRBG20_1X20 0x3023
> +#define MEDIA_BUS_FMT_SRGGB20_1X20 0x3024
>
> /* JPEG compressed formats - next is 0x4002 */
> #define MEDIA_BUS_FMT_JPEG_1X8 0x4001
>
> --
> 2.43.0
>
>
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