.. 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.