drivers/gpu/drm/renesas/rcar-du/rcar_du_crtc.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/renesas/rcar-du/rcar_du_crtc.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/renesas/rcar-du/rcar_du_crtc.h
Extension
.h
Size
2951 bytes
Lines
105
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 rcar_du_crtc {
	struct drm_crtc crtc;

	struct rcar_du_device *dev;
	struct clk *clock;
	struct clk *extclock;
	unsigned int mmio_offset;
	unsigned int index;
	bool initialized;

	u32 dsysr;

	bool vblank_enable;
	struct drm_pending_vblank_event *event;
	wait_queue_head_t flip_wait;

	spinlock_t vblank_lock;
	wait_queue_head_t vblank_wait;
	unsigned int vblank_count;

	struct rcar_du_group *group;
	struct rcar_du_cmm *cmm;
	struct rcar_du_vsp *vsp;
	unsigned int vsp_pipe;

	const char *const *sources;
	unsigned int sources_count;

	struct drm_writeback_connector writeback;
};

#define to_rcar_crtc(c)		container_of(c, struct rcar_du_crtc, crtc)
#define wb_to_rcar_crtc(c)	container_of(c, struct rcar_du_crtc, writeback)

/**
 * struct rcar_du_crtc_state - Driver-specific CRTC state
 * @state: base DRM CRTC state
 * @crc: CRC computation configuration
 * @outputs: bitmask of the outputs (enum rcar_du_output) driven by this CRTC
 */
struct rcar_du_crtc_state {
	struct drm_crtc_state state;

	struct vsp1_du_crc_config crc;
	unsigned int outputs;
};

#define to_rcar_crtc_state(s) container_of(s, struct rcar_du_crtc_state, state)

int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int swindex,
			unsigned int hwindex);

void rcar_du_crtc_finish_page_flip(struct rcar_du_crtc *rcrtc);

void rcar_du_crtc_dsysr_clr_set(struct rcar_du_crtc *rcrtc, u32 clr, u32 set);

#endif /* __RCAR_DU_CRTC_H__ */

Annotation

Implementation Notes