drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h
Extension
.h
Size
2047 bytes
Lines
55
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 nvkm_instmem_func {
	void *(*dtor)(struct nvkm_instmem *);
	int (*oneinit)(struct nvkm_instmem *);
	int (*suspend)(struct nvkm_instmem *);
	void (*resume)(struct nvkm_instmem *);
	void (*fini)(struct nvkm_instmem *);
	u32  (*rd32)(struct nvkm_instmem *, u32 addr);
	void (*wr32)(struct nvkm_instmem *, u32 addr, u32 data);
	int (*memory_new)(struct nvkm_instmem *, u32 size, u32 align,
			  bool zero, struct nvkm_memory **);
	int (*memory_wrap)(struct nvkm_instmem *, struct nvkm_memory *, struct nvkm_memory **);
	bool zero;
	void (*set_bar0_window_addr)(struct nvkm_device *, u64 addr);
};

int nv50_instmem_new_(const struct nvkm_instmem_func *, struct nvkm_device *,
		      enum nvkm_subdev_type, int, struct nvkm_instmem **);
void nv50_instmem_fini(struct nvkm_instmem *);
int nv50_instobj_new(struct nvkm_instmem *, u32 size, u32 align, bool zero,
		     struct nvkm_memory **);
int nv50_instobj_wrap(struct nvkm_instmem *, struct nvkm_memory *vram,
		      struct nvkm_memory **bar2);

void nvkm_instmem_ctor(const struct nvkm_instmem_func *, struct nvkm_device *,
		       enum nvkm_subdev_type, int, struct nvkm_instmem *);
void nvkm_instmem_boot(struct nvkm_instmem *);

int nv04_instmem_suspend(struct nvkm_instmem *);
void nv04_instmem_resume(struct nvkm_instmem *);

int r535_instmem_new(const struct nvkm_instmem_func *,
		     struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);

#include <core/memory.h>

struct nvkm_instobj {
	struct nvkm_memory memory;
	struct list_head head;
	bool preserve;
	u32 *suspend;
};

void nvkm_instobj_ctor(const struct nvkm_memory_func *func,
		       struct nvkm_instmem *, struct nvkm_instobj *);
void nvkm_instobj_dtor(struct nvkm_instmem *, struct nvkm_instobj *);
int nvkm_instobj_save(struct nvkm_instobj *);
void nvkm_instobj_load(struct nvkm_instobj *);
#endif

Annotation

Implementation Notes