drivers/gpu/drm/sti/sti_mixer.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/sti/sti_mixer.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/sti/sti_mixer.h
Extension
.h
Size
1668 bytes
Lines
70
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 sti_mixer {
	struct device *dev;
	void __iomem *regs;
	int id;
	struct drm_crtc drm_crtc;
	enum sti_mixer_status status;
};

const char *sti_mixer_to_str(struct sti_mixer *mixer);

struct sti_mixer *sti_mixer_create(struct device *dev,
				   struct drm_device *drm_dev,
				   int id,
				   void __iomem *baseaddr);

int sti_mixer_set_plane_status(struct sti_mixer *mixer,
			       struct sti_plane *plane, bool status);
int sti_mixer_set_plane_depth(struct sti_mixer *mixer, struct sti_plane *plane);
int sti_mixer_active_video_area(struct sti_mixer *mixer,
				struct drm_display_mode *mode);

void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable);

void sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor);

/* depth in Cross-bar control = z order */
#define GAM_MIXER_NB_DEPTH_LEVEL 6

#define STI_MIXER_MAIN 0
#define STI_MIXER_AUX  1

#endif

Annotation

Implementation Notes