| Message ID | 20240529152858.183799-2-dan.scally@ideasonboard.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add Arm Mali-C55 Image Signal Processor Driver | expand |
Hi Dan, Thank you for the patch. On Wed, May 29, 2024 at 04:28:43PM +0100, Daniel Scally wrote: > The Mali-C55 ISP by ARM requires 20-bits per colour channel input on > the bus. Add a new media bus format code to represent it. > > Acked-by: Nayden Kanchev <nayden.kanchev@arm.com> > Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> > Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> > Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com> > --- > Changes in v5: > > - none > > Changes in v4: > > - None > > Changes in v3: > > - None > > Changes in v2: > > - none > .../media/v4l/subdev-formats.rst | 168 ++++++++++++++++++ > include/uapi/linux/media-bus-format.h | 3 +- > 2 files changed, 170 insertions(+), 1 deletion(-) > > diff --git a/Documentation/userspace-api/media/v4l/subdev-formats.rst b/Documentation/userspace-api/media/v4l/subdev-formats.rst > index d2a6cd2e1eb2..8d164a9a9e15 100644 > --- a/Documentation/userspace-api/media/v4l/subdev-formats.rst > +++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst > @@ -2224,6 +2224,174 @@ The following table list existing packed 48bit wide RGB formats. > > \endgroup > > +The following table list existing packed 60bit wide RGB formats. > + > +.. tabularcolumns:: |p{4.0cm}|p{0.7cm}|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}|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}| Maybe one day we should try to make those tables more compact. > + > +.. _v4l2-mbus-pixelcode-rgb-60: > + > +.. raw:: latex > + > + \begingroup > + \tiny > + \setlength{\tabcolsep}{2pt} > + > +.. flat-table:: 60bit RGB formats > + :header-rows: 3 > + :stub-columns: 0 > + :widths: 36 7 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 > + > + * - Identifier > + - Code > + - > + - :cspan:`31` Data organization > + * - > + - > + - Bit > + - > + - > + - > + - > + - 59 > + - 58 > + - 57 > + - 56 > + - 55 > + - 54 > + - 53 > + - 52 > + - 51 > + - 50 > + - 49 > + - 48 > + - 47 > + - 46 > + - 45 > + - 44 > + - 43 > + - 42 > + - 41 > + - 40 > + - 39 > + - 38 > + - 37 > + - 36 > + - 35 > + - 34 > + - 33 > + - 32 > + * - > + - > + - > + - 31 > + - 30 > + - 29 > + - 28 > + - 27 > + - 26 > + - 25 > + - 24 > + - 23 > + - 22 > + - 21 > + - 20 > + - 19 > + - 18 > + - 17 > + - 16 > + - 15 > + - 14 > + - 13 > + - 12 > + - 11 > + - 10 > + - 9 > + - 8 > + - 7 > + - 6 > + - 5 > + - 4 > + - 3 > + - 2 > + - 1 > + - 0 > + * .. _MEDIA-BUS-FMT-RGB202020-1X60: > + > + - MEDIA_BUS_FMT_RGB202020_1X60 > + - 0x1026 > + - > + - > + - > + - > + - > + - r\ :sub:`19` > + - r\ :sub:`18` > + - r\ :sub:`17` > + - r\ :sub:`16` > + - r\ :sub:`15` > + - r\ :sub:`14` > + - r\ :sub:`13` > + - r\ :sub:`12` > + - r\ :sub:`11` > + - r\ :sub:`10` > + - r\ :sub:`8` I was thinking that reviews of this kind of patches were tedious and not very useful, and then I found this mistake :-D With that fixed, Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > + - 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` > + - 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` > + - 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` > + > +.. raw:: latex > + > + \endgroup > + > On LVDS buses, usually each sample is transferred serialized in seven > time slots per pixel clock, on three (18-bit) or four (24-bit) > differential data pairs at the same time. The remaining bits are used > diff --git a/include/uapi/linux/media-bus-format.h b/include/uapi/linux/media-bus-format.h > index d4c1d991014b..49be328d9a3b 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 0x1026 */ > +/* RGB - next is 0x1027 */ > #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 > @@ -72,6 +72,7 @@ > #define MEDIA_BUS_FMT_RGB888_1X36_CPADLO 0x1021 > #define MEDIA_BUS_FMT_RGB121212_1X36 0x1019 > #define MEDIA_BUS_FMT_RGB161616_1X48 0x101a > +#define MEDIA_BUS_FMT_RGB202020_1X60 0x1026 > > /* YUV (including grey) - next is 0x202f */ > #define MEDIA_BUS_FMT_Y8_1X8 0x2001
diff --git a/Documentation/userspace-api/media/v4l/subdev-formats.rst b/Documentation/userspace-api/media/v4l/subdev-formats.rst index d2a6cd2e1eb2..8d164a9a9e15 100644 --- a/Documentation/userspace-api/media/v4l/subdev-formats.rst +++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst @@ -2224,6 +2224,174 @@ The following table list existing packed 48bit wide RGB formats. \endgroup +The following table list existing packed 60bit wide RGB formats. + +.. tabularcolumns:: |p{4.0cm}|p{0.7cm}|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}|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-rgb-60: + +.. raw:: latex + + \begingroup + \tiny + \setlength{\tabcolsep}{2pt} + +.. flat-table:: 60bit RGB formats + :header-rows: 3 + :stub-columns: 0 + :widths: 36 7 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 + + * - Identifier + - Code + - + - :cspan:`31` Data organization + * - + - + - Bit + - + - + - + - + - 59 + - 58 + - 57 + - 56 + - 55 + - 54 + - 53 + - 52 + - 51 + - 50 + - 49 + - 48 + - 47 + - 46 + - 45 + - 44 + - 43 + - 42 + - 41 + - 40 + - 39 + - 38 + - 37 + - 36 + - 35 + - 34 + - 33 + - 32 + * - + - + - + - 31 + - 30 + - 29 + - 28 + - 27 + - 26 + - 25 + - 24 + - 23 + - 22 + - 21 + - 20 + - 19 + - 18 + - 17 + - 16 + - 15 + - 14 + - 13 + - 12 + - 11 + - 10 + - 9 + - 8 + - 7 + - 6 + - 5 + - 4 + - 3 + - 2 + - 1 + - 0 + * .. _MEDIA-BUS-FMT-RGB202020-1X60: + + - MEDIA_BUS_FMT_RGB202020_1X60 + - 0x1026 + - + - + - + - + - + - r\ :sub:`19` + - r\ :sub:`18` + - r\ :sub:`17` + - r\ :sub:`16` + - r\ :sub:`15` + - r\ :sub:`14` + - r\ :sub:`13` + - r\ :sub:`12` + - r\ :sub:`11` + - r\ :sub:`10` + - r\ :sub:`8` + - 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` + - 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` + - 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` + +.. raw:: latex + + \endgroup + On LVDS buses, usually each sample is transferred serialized in seven time slots per pixel clock, on three (18-bit) or four (24-bit) differential data pairs at the same time. The remaining bits are used diff --git a/include/uapi/linux/media-bus-format.h b/include/uapi/linux/media-bus-format.h index d4c1d991014b..49be328d9a3b 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 0x1026 */ +/* RGB - next is 0x1027 */ #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 @@ -72,6 +72,7 @@ #define MEDIA_BUS_FMT_RGB888_1X36_CPADLO 0x1021 #define MEDIA_BUS_FMT_RGB121212_1X36 0x1019 #define MEDIA_BUS_FMT_RGB161616_1X48 0x101a +#define MEDIA_BUS_FMT_RGB202020_1X60 0x1026 /* YUV (including grey) - next is 0x202f */ #define MEDIA_BUS_FMT_Y8_1X8 0x2001