[PATCH v6 03/18] media: uapi: Add 20-bit bayer formats

Laurent Pinchart laurent.pinchart at ideasonboard.com
Mon Jul 22 15:13:22 PDT 2024


Hi Dan,

Thank you for the patch.

On Tue, Jul 09, 2024 at 02:28:51PM +0100, Daniel Scally 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.
> 
> 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>

Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

> ---
> Changes in v6:
> 
> 	- Fixed the table formatting
> 
> Changes in v5:
> 
> 	- New patch
> 
>  .../media/v4l/subdev-formats.rst              | 252 +++++++++++++++++-
>  include/uapi/linux/media-bus-format.h         |   6 +-
>  2 files changed, 255 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/userspace-api/media/v4l/subdev-formats.rst b/Documentation/userspace-api/media/v4l/subdev-formats.rst
> index 5dbf8c9b18fb..ff328eb485e8 100644
> --- a/Documentation/userspace-api/media/v4l/subdev-formats.rst
> +++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst
> @@ -2664,7 +2664,7 @@ 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:
>  
> @@ -2677,10 +2677,14 @@ 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
> @@ -2710,6 +2714,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - b\ :sub:`7`
>        - b\ :sub:`6`
>        - b\ :sub:`5`
> @@ -2731,6 +2739,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - g\ :sub:`7`
>        - g\ :sub:`6`
>        - g\ :sub:`5`
> @@ -2752,6 +2764,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - g\ :sub:`7`
>        - g\ :sub:`6`
>        - g\ :sub:`5`
> @@ -2773,6 +2789,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - r\ :sub:`7`
>        - r\ :sub:`6`
>        - r\ :sub:`5`
> @@ -2794,6 +2814,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - b\ :sub:`7`
>        - b\ :sub:`6`
>        - b\ :sub:`5`
> @@ -2815,6 +2839,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - g\ :sub:`7`
>        - g\ :sub:`6`
>        - g\ :sub:`5`
> @@ -2836,6 +2864,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - g\ :sub:`7`
>        - g\ :sub:`6`
>        - g\ :sub:`5`
> @@ -2857,6 +2889,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - r\ :sub:`7`
>        - r\ :sub:`6`
>        - r\ :sub:`5`
> @@ -2878,6 +2914,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - b\ :sub:`7`
>        - b\ :sub:`6`
>        - b\ :sub:`5`
> @@ -2899,6 +2939,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - g\ :sub:`7`
>        - g\ :sub:`6`
>        - g\ :sub:`5`
> @@ -2920,6 +2964,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - g\ :sub:`7`
>        - g\ :sub:`6`
>        - g\ :sub:`5`
> @@ -2941,6 +2989,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - r\ :sub:`7`
>        - r\ :sub:`6`
>        - r\ :sub:`5`
> @@ -2962,6 +3014,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - 0
>        - 0
>        - 0
> @@ -2981,6 +3037,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - b\ :sub:`7`
>        - b\ :sub:`6`
>        - b\ :sub:`5`
> @@ -3002,6 +3062,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - b\ :sub:`7`
>        - b\ :sub:`6`
>        - b\ :sub:`5`
> @@ -3021,6 +3085,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - 0
>        - 0
>        - 0
> @@ -3042,6 +3110,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - b\ :sub:`9`
>        - b\ :sub:`8`
>        - b\ :sub:`7`
> @@ -3061,6 +3133,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - b\ :sub:`1`
>        - b\ :sub:`0`
>        - 0
> @@ -3082,6 +3158,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - b\ :sub:`1`
>        - b\ :sub:`0`
>        - 0
> @@ -3101,6 +3181,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - b\ :sub:`9`
>        - b\ :sub:`8`
>        - b\ :sub:`7`
> @@ -3120,6 +3204,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - b\ :sub:`9`
>        - b\ :sub:`8`
>        - b\ :sub:`7`
> @@ -3141,6 +3229,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - g\ :sub:`9`
>        - g\ :sub:`8`
>        - g\ :sub:`7`
> @@ -3162,6 +3254,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - g\ :sub:`9`
>        - g\ :sub:`8`
>        - g\ :sub:`7`
> @@ -3183,6 +3279,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - r\ :sub:`9`
>        - r\ :sub:`8`
>        - r\ :sub:`7`
> @@ -3202,6 +3302,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - b\ :sub:`11`
>        - b\ :sub:`10`
>        - b\ :sub:`9`
> @@ -3223,6 +3327,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - g\ :sub:`11`
>        - g\ :sub:`10`
>        - g\ :sub:`9`
> @@ -3244,6 +3352,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - g\ :sub:`11`
>        - g\ :sub:`10`
>        - g\ :sub:`9`
> @@ -3265,6 +3377,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - r\ :sub:`11`
>        - r\ :sub:`10`
>        - r\ :sub:`9`
> @@ -3284,6 +3400,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - b\ :sub:`13`
>        - b\ :sub:`12`
>        - b\ :sub:`11`
> @@ -3305,6 +3425,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - g\ :sub:`13`
>        - g\ :sub:`12`
>        - g\ :sub:`11`
> @@ -3326,6 +3450,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - g\ :sub:`13`
>        - g\ :sub:`12`
>        - g\ :sub:`11`
> @@ -3347,6 +3475,10 @@ organization is given as an example for the first pixel only.
>        -
>        -
>        -
> +      -
> +      -
> +      -
> +      -
>        - r\ :sub:`13`
>        - r\ :sub:`12`
>        - r\ :sub:`11`
> @@ -3366,6 +3498,10 @@ 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`
> @@ -3387,6 +3523,10 @@ 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`
> @@ -3408,6 +3548,10 @@ 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`
> @@ -3429,6 +3573,110 @@ 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 49be328d9a3b..b6acf8c8e383 100644
> --- a/include/uapi/linux/media-bus-format.h
> +++ b/include/uapi/linux/media-bus-format.h
> @@ -122,7 +122,7 @@
>  #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
> @@ -155,6 +155,10 @@
>  #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

-- 
Regards,

Laurent Pinchart



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