diff options
| author | Daniel Scally <dan.scally@ideasonboard.com> | 2025-11-11 16:15:48 +0000 |
|---|---|---|
| committer | Hans Verkuil <hverkuil+cisco@kernel.org> | 2025-11-14 15:48:49 +0100 |
| commit | 8d0bbed21ef737195277c0af8c30511fb72e608b (patch) | |
| tree | 30f14e72937d1431f63a88720307f7db50a8b6fb /Documentation/userspace-api/media/drivers | |
| parent | 3743764750fb0122622c277ce1b6770d25e43929 (diff) | |
media: uapi: Add controls for Mali-C55 ISP
Add definitions and documentation for the custom control that will
be needed by the Mali-C55 ISP driver. This will be a read only
bitmask of the driver's capabilities, informing userspace of which
blocks are fitted and which are absent.
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Diffstat (limited to 'Documentation/userspace-api/media/drivers')
| -rw-r--r-- | Documentation/userspace-api/media/drivers/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/userspace-api/media/drivers/mali-c55.rst | 55 |
2 files changed, 56 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/drivers/index.rst b/Documentation/userspace-api/media/drivers/index.rst index d706cb47b112..02967c9b18d6 100644 --- a/Documentation/userspace-api/media/drivers/index.rst +++ b/Documentation/userspace-api/media/drivers/index.rst @@ -32,6 +32,7 @@ For more details see the file COPYING in the source distribution of Linux. cx2341x-uapi dw100 imx-uapi + mali-c55 max2175 npcm-video omap3isp-uapi diff --git a/Documentation/userspace-api/media/drivers/mali-c55.rst b/Documentation/userspace-api/media/drivers/mali-c55.rst new file mode 100644 index 000000000000..21148b187856 --- /dev/null +++ b/Documentation/userspace-api/media/drivers/mali-c55.rst @@ -0,0 +1,55 @@ +.. SPDX-License-Identifier: GPL-2.0-only + +Arm Mali-C55 ISP driver +======================= + +The Arm Mali-C55 ISP driver implements a single driver-specific control: + +``V4L2_CID_MALI_C55_CAPABILITIES (bitmask)`` + Detail the capabilities of the ISP by giving detail about the fitted blocks. + + .. flat-table:: Bitmask meaning definitions + :header-rows: 1 + :widths: 2 4 8 + + * - Bit + - Macro + - Meaning + * - 0 + - MALI_C55_PONG + - Pong configuration space is fitted in the ISP + * - 1 + - MALI_C55_WDR + - WDR Framestitch, offset and gain is fitted in the ISP + * - 2 + - MALI_C55_COMPRESSION + - Temper compression is fitted in the ISP + * - 3 + - MALI_C55_TEMPER + - Temper is fitted in the ISP + * - 4 + - MALI_C55_SINTER_LITE + - Sinter Lite is fitted in the ISP instead of the full Sinter version + * - 5 + - MALI_C55_SINTER + - Sinter is fitted in the ISP + * - 6 + - MALI_C55_IRIDIX_LTM + - Iridix local tone mappine is fitted in the ISP + * - 7 + - MALI_C55_IRIDIX_GTM + - Iridix global tone mapping is fitted in the ISP + * - 8 + - MALI_C55_CNR + - Colour noise reduction is fitted in the ISP + * - 9 + - MALI_C55_FRSCALER + - The full resolution pipe scaler is fitted in the ISP + * - 10 + - MALI_C55_DS_PIPE + - The downscale pipe is fitted in the ISP + + The Mali-C55 ISP can be configured in a number of ways to include or exclude + blocks which may not be necessary. This control provides a way for the + driver to communicate to userspace which of the blocks are fitted in the + design.
\ No newline at end of file |