1 #ifndef __NVKM_ENGINE_H__
2 #define __NVKM_ENGINE_H__
3 #define nvkm_engine(p) container_of((p), struct nvkm_engine, subdev)
4 #include <core/subdev.h>
5 struct nvkm_fifo_chan;
6 struct nvkm_fb_tile;
7 
8 struct nvkm_engine {
9 	const struct nvkm_engine_func *func;
10 	struct nvkm_subdev subdev;
11 	spinlock_t lock;
12 
13 	int usecount;
14 };
15 
16 struct nvkm_engine_func {
17 	void *(*dtor)(struct nvkm_engine *);
18 	int (*oneinit)(struct nvkm_engine *);
19 	int (*init)(struct nvkm_engine *);
20 	int (*fini)(struct nvkm_engine *, bool suspend);
21 	void (*intr)(struct nvkm_engine *);
22 	void (*tile)(struct nvkm_engine *, int region, struct nvkm_fb_tile *);
23 
24 	struct {
25 		int (*sclass)(struct nvkm_oclass *, int index,
26 			      const struct nvkm_device_oclass **);
27 	} base;
28 
29 	struct {
30 		int (*cclass)(struct nvkm_fifo_chan *,
31 			      const struct nvkm_oclass *,
32 			      struct nvkm_object **);
33 		int (*sclass)(struct nvkm_oclass *, int index);
34 	} fifo;
35 
36 	const struct nvkm_object_func *cclass;
37 	struct nvkm_sclass sclass[];
38 };
39 
40 int nvkm_engine_ctor(const struct nvkm_engine_func *, struct nvkm_device *,
41 		     int index, u32 pmc_enable, bool enable,
42 		     struct nvkm_engine *);
43 int nvkm_engine_new_(const struct nvkm_engine_func *, struct nvkm_device *,
44 		     int index, u32 pmc_enable, bool enable,
45 		     struct nvkm_engine **);
46 struct nvkm_engine *nvkm_engine_ref(struct nvkm_engine *);
47 void nvkm_engine_unref(struct nvkm_engine **);
48 void nvkm_engine_tile(struct nvkm_engine *, int region);
49 #endif
50