engine.h

 1/* SPDX-License-Identifier: MIT */
 2#ifndef __NVKM_ENGINE_H__
 3#define __NVKM_ENGINE_H__
 4#define nvkm_engine(p) container_of((p), struct nvkm_engine, subdev)
 5#include <core/subdev.h>
 6struct nvkm_chan;
 7struct nvkm_fb_tile;
 8
 9extern const struct nvkm_subdev_func nvkm_engine;
10
11struct nvkm_engine {
12	const struct nvkm_engine_func *func;
13	struct nvkm_subdev subdev;
14	spinlock_t lock;
15};
16
17struct nvkm_engine_func {
18	void *(*dtor)(struct nvkm_engine *);
19	void (*preinit)(struct nvkm_engine *);
20	int (*oneinit)(struct nvkm_engine *);
21	int (*info)(struct nvkm_engine *, u64 mthd, u64 *data);
22	int (*init)(struct nvkm_engine *);
23	int (*fini)(struct nvkm_engine *, enum nvkm_suspend_state suspend);
24	int (*reset)(struct nvkm_engine *);
25	int (*nonstall)(struct nvkm_engine *);
26	void (*intr)(struct nvkm_engine *);
27	void (*tile)(struct nvkm_engine *, int region, struct nvkm_fb_tile *);
28	bool (*chsw_load)(struct nvkm_engine *);
29
30	struct {
31		int (*sclass)(struct nvkm_oclass *, int index,
32			      const struct nvkm_device_oclass **);
33	} base;
34
35	struct {
36		int (*cclass)(struct nvkm_chan *, const struct nvkm_oclass *,
37			      struct nvkm_object **);
38		int (*sclass)(struct nvkm_oclass *, int index);
39	} fifo;
40
41	const struct nvkm_object_func *cclass;
42	struct nvkm_sclass sclass[];
43};
44
45int nvkm_engine_ctor(const struct nvkm_engine_func *, struct nvkm_device *,
46		     enum nvkm_subdev_type, int inst, bool enable, struct nvkm_engine *);
47int nvkm_engine_new_(const struct nvkm_engine_func *, struct nvkm_device *,
48		     enum nvkm_subdev_type, int, bool enable, struct nvkm_engine **);
49
50struct nvkm_engine *nvkm_engine_ref(struct nvkm_engine *);
51void nvkm_engine_unref(struct nvkm_engine **);
52int nvkm_engine_reset(struct nvkm_engine *);
53void nvkm_engine_tile(struct nvkm_engine *, int region);
54bool nvkm_engine_chsw_load(struct nvkm_engine *);
55#endif