drivers/gpu/drm/amd/display/dc/inc/hw/ipp.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/inc/hw/ipp.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/inc/hw/ipp.h
Extension
.h
Size
3324 bytes
Lines
115
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct input_pixel_processor {
	struct  dc_context *ctx;
	unsigned int inst;
	const struct ipp_funcs *funcs;
};

enum ipp_prescale_mode {
	IPP_PRESCALE_MODE_BYPASS,
	IPP_PRESCALE_MODE_FIXED_SIGNED,
	IPP_PRESCALE_MODE_FLOAT_SIGNED,
	IPP_PRESCALE_MODE_FIXED_UNSIGNED,
	IPP_PRESCALE_MODE_FLOAT_UNSIGNED
};

struct ipp_prescale_params {
	enum ipp_prescale_mode mode;
	uint16_t bias;
	uint16_t scale;
};



enum ovl_color_space {
	OVL_COLOR_SPACE_UNKNOWN = 0,
	OVL_COLOR_SPACE_RGB,
	OVL_COLOR_SPACE_YUV601,
	OVL_COLOR_SPACE_YUV709
};


struct ipp_funcs {

	/*** cursor ***/
	void (*ipp_cursor_set_position)(
		struct input_pixel_processor *ipp,
		const struct dc_cursor_position *position,
		const struct dc_cursor_mi_param *param);

	void (*ipp_cursor_set_attributes)(
		struct input_pixel_processor *ipp,
		const struct dc_cursor_attributes *attributes);

	/*** setup input pixel processing ***/

	/* put the entire pixel processor to bypass */
	void (*ipp_full_bypass)(
			struct input_pixel_processor *ipp);

	/* setup ipp to expand/convert input to pixel processor internal format */
	void (*ipp_setup)(
		struct input_pixel_processor *ipp,
		enum surface_pixel_format format,
		enum expansion_mode mode,
		struct dc_csc_transform input_csc_color_matrix,
		enum dc_color_space input_color_space);

	/* DCE function to setup IPP.  TODO: see if we can consolidate to setup */
	void (*ipp_program_prescale)(
			struct input_pixel_processor *ipp,
			struct ipp_prescale_params *params);

	void (*ipp_program_input_lut)(
			struct input_pixel_processor *ipp,
			const struct dc_gamma *gamma);

	/*** DEGAMMA RELATED ***/
	void (*ipp_set_degamma)(
		struct input_pixel_processor *ipp,
		enum ipp_degamma_mode mode);

	void (*ipp_program_degamma_pwl)(
		struct input_pixel_processor *ipp,
		const struct pwl_params *params);

	void (*ipp_destroy)(struct input_pixel_processor **ipp);
};

#endif /* __DAL_IPP_H__ */

Annotation

Implementation Notes