7. 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.

Bitmask meaning definitions

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.