1b7019ac5SIlia Mirkin /* SPDX-License-Identifier: MIT */
25025407bSBen Skeggs #ifndef __NVKM_ENGINE_H__
35025407bSBen Skeggs #define __NVKM_ENGINE_H__
468f3f702SBen Skeggs #define nvkm_engine(p) container_of((p), struct nvkm_engine, subdev)
5c39f472eSBen Skeggs #include <core/subdev.h>
6168c2e21SBen Skeggs struct nvkm_fifo_chan;
7c85ee6caSBen Skeggs struct nvkm_fb_tile;
8c39f472eSBen Skeggs 
9efe2a9ecSBen Skeggs extern const struct nvkm_subdev_func nvkm_engine;
10efe2a9ecSBen Skeggs 
115025407bSBen Skeggs struct nvkm_engine {
12168c2e21SBen Skeggs 	const struct nvkm_engine_func *func;
1368f3f702SBen Skeggs 	struct nvkm_subdev subdev;
1468f3f702SBen Skeggs 	spinlock_t lock;
15168c2e21SBen Skeggs 
1671ccf2a0SBen Skeggs 	struct {
1771ccf2a0SBen Skeggs 		refcount_t refcount;
1871ccf2a0SBen Skeggs 		struct mutex mutex;
1971ccf2a0SBen Skeggs 		bool enabled;
2071ccf2a0SBen Skeggs 	} use;
21c39f472eSBen Skeggs };
22c39f472eSBen Skeggs 
23168c2e21SBen Skeggs struct nvkm_engine_func {
24168c2e21SBen Skeggs 	void *(*dtor)(struct nvkm_engine *);
255e721ad1SBen Skeggs 	void (*preinit)(struct nvkm_engine *);
26168c2e21SBen Skeggs 	int (*oneinit)(struct nvkm_engine *);
27c5c9127bSBen Skeggs 	int (*info)(struct nvkm_engine *, u64 mthd, u64 *data);
28168c2e21SBen Skeggs 	int (*init)(struct nvkm_engine *);
29168c2e21SBen Skeggs 	int (*fini)(struct nvkm_engine *, bool suspend);
30168c2e21SBen Skeggs 	void (*intr)(struct nvkm_engine *);
31c85ee6caSBen Skeggs 	void (*tile)(struct nvkm_engine *, int region, struct nvkm_fb_tile *);
3217041c7eSBen Skeggs 	bool (*chsw_load)(struct nvkm_engine *);
33168c2e21SBen Skeggs 
34168c2e21SBen Skeggs 	struct {
35168c2e21SBen Skeggs 		int (*sclass)(struct nvkm_oclass *, int index,
36168c2e21SBen Skeggs 			      const struct nvkm_device_oclass **);
37168c2e21SBen Skeggs 	} base;
38168c2e21SBen Skeggs 
39168c2e21SBen Skeggs 	struct {
40168c2e21SBen Skeggs 		int (*cclass)(struct nvkm_fifo_chan *,
41168c2e21SBen Skeggs 			      const struct nvkm_oclass *,
42168c2e21SBen Skeggs 			      struct nvkm_object **);
43168c2e21SBen Skeggs 		int (*sclass)(struct nvkm_oclass *, int index);
44168c2e21SBen Skeggs 	} fifo;
45168c2e21SBen Skeggs 
468f0649b5SBen Skeggs 	const struct nvkm_object_func *cclass;
47168c2e21SBen Skeggs 	struct nvkm_sclass sclass[];
48168c2e21SBen Skeggs };
49168c2e21SBen Skeggs 
50fcc08a7cSBen Skeggs int nvkm_engine_ctor_(const struct nvkm_engine_func *, bool old, struct nvkm_device *,
51fcc08a7cSBen Skeggs 		     enum nvkm_subdev_type, int inst, bool enable, struct nvkm_engine *);
52fcc08a7cSBen Skeggs #define nvkm_engine_ctor_o(f,d,i,  e,s) nvkm_engine_ctor_((f),  true, (d), (i), -1 , (e), (s))
53fcc08a7cSBen Skeggs #define nvkm_engine_ctor_n(f,d,t,i,e,s) nvkm_engine_ctor_((f), false, (d), (t), (i), (e), (s))
54fcc08a7cSBen Skeggs #define nvkm_engine_ctor__(_1,_2,_3,_4,_5,_6,IMPL,...) IMPL
55fcc08a7cSBen Skeggs #define nvkm_engine_ctor(A...) nvkm_engine_ctor__(A, nvkm_engine_ctor_n, nvkm_engine_ctor_o)(A)
56*e5e95a76SBen Skeggs int nvkm_engine_new_(const struct nvkm_engine_func *, struct nvkm_device *,
5750551b15SBen Skeggs 		     enum nvkm_subdev_type, int, bool enable, struct nvkm_engine **);
5850551b15SBen Skeggs 
59168c2e21SBen Skeggs struct nvkm_engine *nvkm_engine_ref(struct nvkm_engine *);
60168c2e21SBen Skeggs void nvkm_engine_unref(struct nvkm_engine **);
61c85ee6caSBen Skeggs void nvkm_engine_tile(struct nvkm_engine *, int region);
6217041c7eSBen Skeggs bool nvkm_engine_chsw_load(struct nvkm_engine *);
63c39f472eSBen Skeggs #endif
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