drivers/gpu/drm/nouveau/nvkm/engine/disp/chan.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/nvkm/engine/disp/chan.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/nvkm/engine/disp/chan.h
Extension
.h
Size
4674 bytes
Lines
140
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_disp_chan {
	const struct nvkm_disp_chan_func *func;
	const struct nvkm_disp_chan_mthd *mthd;
	struct nvkm_disp *disp;

	struct {
		int ctrl;
		int user;
	} chid;
	int head;

	struct nvkm_object object;

	struct nvkm_memory *memory;
	u64 push;

	u32 suspend_put;

	struct {
		struct nvkm_gsp_object object;
	} rm;
};

int nvkm_disp_core_new(const struct nvkm_oclass *, void *, u32, struct nvkm_object **);
int nvkm_disp_chan_new(const struct nvkm_oclass *, void *, u32, struct nvkm_object **);
int nvkm_disp_wndw_new(const struct nvkm_oclass *, void *, u32, struct nvkm_object **);

struct nvkm_disp_chan_func {
	int (*push)(struct nvkm_disp_chan *, u64 object);
	int (*init)(struct nvkm_disp_chan *);
	void (*fini)(struct nvkm_disp_chan *);
	void (*intr)(struct nvkm_disp_chan *, bool en);
	u64 (*user)(struct nvkm_disp_chan *, u64 *size);
	int (*bind)(struct nvkm_disp_chan *, struct nvkm_object *, u32 handle);
};

void nv50_disp_chan_intr(struct nvkm_disp_chan *, bool);
u64 nv50_disp_chan_user(struct nvkm_disp_chan *, u64 *);
extern const struct nvkm_disp_chan_func nv50_disp_pioc_func;
extern const struct nvkm_disp_chan_func nv50_disp_dmac_func;
int nv50_disp_dmac_push(struct nvkm_disp_chan *, u64);
int nv50_disp_dmac_bind(struct nvkm_disp_chan *, struct nvkm_object *, u32);
extern const struct nvkm_disp_chan_func nv50_disp_core_func;

void gf119_disp_chan_intr(struct nvkm_disp_chan *, bool);
extern const struct nvkm_disp_chan_func gf119_disp_pioc_func;
extern const struct nvkm_disp_chan_func gf119_disp_dmac_func;
void gf119_disp_dmac_fini(struct nvkm_disp_chan *);
int gf119_disp_dmac_bind(struct nvkm_disp_chan *, struct nvkm_object *, u32);
extern const struct nvkm_disp_chan_func gf119_disp_core_func;
void gf119_disp_core_fini(struct nvkm_disp_chan *);

extern const struct nvkm_disp_chan_func gp102_disp_dmac_func;

u64 gv100_disp_chan_user(struct nvkm_disp_chan *, u64 *);
int gv100_disp_dmac_init(struct nvkm_disp_chan *);
void gv100_disp_dmac_fini(struct nvkm_disp_chan *);
int gv100_disp_dmac_bind(struct nvkm_disp_chan *, struct nvkm_object *, u32);

struct nvkm_disp_chan_user {
	const struct nvkm_disp_chan_func *func;
	int ctrl;
	int user;
	const struct nvkm_disp_chan_mthd *mthd;
};

extern const struct nvkm_disp_chan_user nv50_disp_oimm;
extern const struct nvkm_disp_chan_user nv50_disp_curs;

extern const struct nvkm_disp_chan_user g84_disp_core;
extern const struct nvkm_disp_chan_user g84_disp_base;
extern const struct nvkm_disp_chan_user g84_disp_ovly;

extern const struct nvkm_disp_chan_user g94_disp_core;

extern const struct nvkm_disp_chan_user gt200_disp_ovly;

extern const struct nvkm_disp_chan_user gf119_disp_base;
extern const struct nvkm_disp_chan_user gf119_disp_oimm;
extern const struct nvkm_disp_chan_user gf119_disp_curs;

extern const struct nvkm_disp_chan_user gk104_disp_core;
extern const struct nvkm_disp_chan_user gk104_disp_ovly;

extern const struct nvkm_disp_chan_user gv100_disp_core;
extern const struct nvkm_disp_chan_user gv100_disp_curs;
extern const struct nvkm_disp_chan_user gv100_disp_wndw;
extern const struct nvkm_disp_chan_user gv100_disp_wimm;

struct nvkm_disp_mthd_list {

Annotation

Implementation Notes