drivers/gpu/drm/armada/armada_drm.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/armada/armada_drm.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/armada/armada_drm.h
Extension
.h
Size
2387 bytes
Lines
94
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 armada_variant {
	bool has_spu_adv_reg;
	int (*init)(struct armada_crtc *, struct device *);
	int (*compute_clock)(struct armada_crtc *,
			     const struct drm_display_mode *,
			     uint32_t *);
	void (*disable)(struct armada_crtc *);
	void (*enable)(struct armada_crtc *, const struct drm_display_mode *);
};

/* Variant ops */
extern const struct armada_variant armada510_ops;

struct armada_private {
	struct drm_device	drm;
	struct armada_crtc	*dcrtc[2];
	struct drm_mm		linear; /* protected by linear_lock */
	struct mutex		linear_lock;
	struct drm_property	*colorkey_prop;
	struct drm_property	*colorkey_min_prop;
	struct drm_property	*colorkey_max_prop;
	struct drm_property	*colorkey_val_prop;
	struct drm_property	*colorkey_alpha_prop;
	struct drm_property	*colorkey_mode_prop;
	struct drm_property	*brightness_prop;
	struct drm_property	*contrast_prop;
	struct drm_property	*saturation_prop;
#ifdef CONFIG_DEBUG_FS
	struct dentry		*de;
#endif
};

#define drm_to_armada_dev(dev) container_of(dev, struct armada_private, drm)

#if defined(CONFIG_DRM_FBDEV_EMULATION)
int armada_fbdev_driver_fbdev_probe(struct drm_fb_helper *fbh,
				    struct drm_fb_helper_surface_size *sizes);
#define ARMADA_FBDEV_DRIVER_OPS \
	.fbdev_probe = armada_fbdev_driver_fbdev_probe
#else
#define ARMADA_FBDEV_DRIVER_OPS \
	.fbdev_probe = NULL
#endif

int armada_overlay_plane_create(struct drm_device *, unsigned long);

void armada_drm_crtc_debugfs_init(struct armada_crtc *dcrtc);
int armada_drm_debugfs_init(struct drm_minor *);

#endif

Annotation

Implementation Notes