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Date: Mon, 23 Apr 2018 16:06:01 +0300
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Jacopo Mondi <jacopo+renesas@...ndi.org>
Cc: architt@...eaurora.org, a.hajda@...sung.com, airlied@...ux.ie,
daniel@...ll.ch, peda@...ntia.se,
linux-renesas-soc@...r.kernel.org, linux-media@...r.kernel.org,
devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/8] media: Add LE version of RGB LVDS formats
Hi Jacopo,
Thank you for the patch.
On Thursday, 19 April 2018 12:31:06 EEST Jacopo Mondi wrote:
> Some LVDS controller can output swapped versions of LVDS RGB formats.
> Define and document them in the list of supported media bus formats
I wouldn't introduce those new formats as we don't need them. As a general
rule we would like to have at least one user for any new format added to the
API.
> Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>
> ---
> Documentation/media/uapi/v4l/subdev-formats.rst | 174 +++++++++++++++++++++
> include/uapi/linux/media-bus-format.h | 5 +-
> 2 files changed, 178 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/media/uapi/v4l/subdev-formats.rst
> b/Documentation/media/uapi/v4l/subdev-formats.rst index 9fcabe7..9a5263c
> 100644
> --- a/Documentation/media/uapi/v4l/subdev-formats.rst
> +++ b/Documentation/media/uapi/v4l/subdev-formats.rst
> @@ -1669,6 +1669,64 @@ JEIDA defined bit mapping will be named
> - b\ :sub:`2`
> - g\ :sub:`1`
> - r\ :sub:`0`
> + * .. _MEDIA-BUS-FMT-RGB666-1X7X3-SPWG_LE:
> +
> + - MEDIA_BUS_FMT_RGB666_1X7X3_SPWG_LE
> + - 0x101b
> + - 0
> + -
> + -
> + - b\ :sub:`2`
> + - g\ :sub:`1`
> + - r\ :sub:`0`
> + * -
> + -
> + - 1
> + -
> + -
> + - b\ :sub:`3`
> + - g\ :sub:`2`
> + - r\ :sub:`1`
> + * -
> + -
> + - 2
> + -
> + -
> + - b\ :sub:`4`
> + - g\ :sub:`3`
> + - r\ :sub:`2`
> + * -
> + -
> + - 3
> + -
> + -
> + - b\ :sub:`5`
> + - g\ :sub:`4`
> + - r\ :sub:`3`
> + * -
> + -
> + - 4
> + -
> + -
> + - d
> + - g\ :sub:`5`
> + - r\ :sub:`4`
> + * -
> + -
> + - 5
> + -
> + -
> + - d
> + - b\ :sub:`0`
> + - r\ :sub:`5`
> + * -
> + -
> + - 6
> + -
> + -
> + - d
> + - b\ :sub:`1`
> + - g\ :sub:`0`
> * .. _MEDIA-BUS-FMT-RGB888-1X7X4-SPWG:
>
> - MEDIA_BUS_FMT_RGB888_1X7X4_SPWG
> @@ -1727,6 +1785,64 @@ JEIDA defined bit mapping will be named
> - b\ :sub:`2`
> - g\ :sub:`1`
> - r\ :sub:`0`
> + * .. _MEDIA-BUS-FMT-RGB888-1X7X4-SPWG_LE:
> +
> + - MEDIA_BUS_FMT_RGB888_1X7X4_SPWG_LE
> + - 0x101c
> + - 0
> + -
> + - r\ :sub:`6`
> + - b\ :sub:`2`
> + - g\ :sub:`1`
> + - r\ :sub:`0`
> + * -
> + -
> + - 1
> + -
> + - r\ :sub:`7`
> + - b\ :sub:`3`
> + - g\ :sub:`2`
> + - r\ :sub:`1`
> + * -
> + -
> + - 2
> + -
> + - g\ :sub:`6`
> + - b\ :sub:`4`
> + - g\ :sub:`3`
> + - r\ :sub:`2`
> + * -
> + -
> + - 3
> + -
> + - g\ :sub:`7`
> + - b\ :sub:`5`
> + - g\ :sub:`4`
> + - r\ :sub:`3`
> + * -
> + -
> + - 4
> + -
> + - b\ :sub:`6`
> + - d
> + - g\ :sub:`5`
> + - r\ :sub:`4`
> + * -
> + -
> + - 5
> + -
> + - b\ :sub:`7`
> + - d
> + - b\ :sub:`0`
> + - r\ :sub:`5`
> + * -
> + -
> + - 6
> + -
> + - d
> + - d
> + - b\ :sub:`1`
> + - g\ :sub:`0`
> * .. _MEDIA-BUS-FMT-RGB888-1X7X4-JEIDA:
>
> - MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA
> @@ -1785,6 +1901,64 @@ JEIDA defined bit mapping will be named
> - b\ :sub:`4`
> - g\ :sub:`3`
> - r\ :sub:`2`
> + * .. _MEDIA-BUS-FMT-RGB888-1X7X4-JEIDA_LE:
> +
> + - MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA_LE
> + - 0x101d
> + - 0
> + -
> + - r\ :sub:`0`
> + - b\ :sub:`4`
> + - g\ :sub:`3`
> + - r\ :sub:`2`
> + * -
> + -
> + - 1
> + -
> + - r\ :sub:`1`
> + - b\ :sub:`5`
> + - g\ :sub:`4`
> + - r\ :sub:`3`
> + * -
> + -
> + - 2
> + -
> + - g\ :sub:`0`
> + - b\ :sub:`6`
> + - g\ :sub:`5`
> + - r\ :sub:`4`
> + * -
> + -
> + - 3
> + -
> + - g\ :sub:`1`
> + - b\ :sub:`7`
> + - g\ :sub:`6`
> + - r\ :sub:`5`
> + * -
> + -
> + - 4
> + -
> + - b\ :sub:`0`
> + - d
> + - g\ :sub:`7`
> + - r\ :sub:`6`
> + * -
> + -
> + - 5
> + -
> + - b\ :sub:`1`
> + - d
> + - b\ :sub:`2`
> + - r\ :sub:`7`
> + * -
> + -
> + - 6
> + -
> + - d
> + - d
> + - b\ :sub:`3`
> + - g\ :sub:`2`
>
> .. raw:: latex
>
> diff --git a/include/uapi/linux/media-bus-format.h
> b/include/uapi/linux/media-bus-format.h index 9e35117..5bea7c0 100644
> --- a/include/uapi/linux/media-bus-format.h
> +++ b/include/uapi/linux/media-bus-format.h
> @@ -34,7 +34,7 @@
>
> #define MEDIA_BUS_FMT_FIXED 0x0001
>
> -/* RGB - next is 0x101b */
> +/* RGB - next is 0x101f */
> #define MEDIA_BUS_FMT_RGB444_1X12 0x1016
> #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE 0x1001
> #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE 0x1002
> @@ -49,13 +49,16 @@
> #define MEDIA_BUS_FMT_RBG888_1X24 0x100e
> #define MEDIA_BUS_FMT_RGB666_1X24_CPADHI 0x1015
> #define MEDIA_BUS_FMT_RGB666_1X7X3_SPWG 0x1010
> +#define MEDIA_BUS_FMT_RGB666_1X7X3_SPWG_LE 0x101b
> #define MEDIA_BUS_FMT_BGR888_1X24 0x1013
> #define MEDIA_BUS_FMT_GBR888_1X24 0x1014
> #define MEDIA_BUS_FMT_RGB888_1X24 0x100a
> #define MEDIA_BUS_FMT_RGB888_2X12_BE 0x100b
> #define MEDIA_BUS_FMT_RGB888_2X12_LE 0x100c
> #define MEDIA_BUS_FMT_RGB888_1X7X4_SPWG 0x1011
> +#define MEDIA_BUS_FMT_RGB888_1X7X4_SPWG_LE 0x101c
> #define MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA 0x1012
> +#define MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA_LE 0x101d
> #define MEDIA_BUS_FMT_ARGB8888_1X32 0x100d
> #define MEDIA_BUS_FMT_RGB888_1X32_PADHI 0x100f
> #define MEDIA_BUS_FMT_RGB101010_1X30 0x1018
--
Regards,
Laurent Pinchart
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