1#ifndef __NVKM_ENGINE_H__
2#define __NVKM_ENGINE_H__
3#include <core/subdev.h>
4
5#define NV_ENGINE_(eng,var) (NV_ENGINE_CLASS | ((var) << 8) | (eng))
6#define NV_ENGINE(name,var)  NV_ENGINE_(NVDEV_ENGINE_##name, (var))
7
8struct nvkm_engine {
9	struct nvkm_subdev subdev;
10	struct nvkm_oclass *cclass;
11	struct nvkm_oclass *sclass;
12
13	struct list_head contexts;
14	spinlock_t lock;
15
16	void (*tile_prog)(struct nvkm_engine *, int region);
17	int  (*tlb_flush)(struct nvkm_engine *);
18};
19
20static inline struct nvkm_engine *
21nv_engine(void *obj)
22{
23#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
24	if (unlikely(!nv_iclass(obj, NV_ENGINE_CLASS)))
25		nv_assert("BAD CAST -> NvEngine, %08x", nv_hclass(obj));
26#endif
27	return obj;
28}
29
30static inline int
31nv_engidx(struct nvkm_engine *engine)
32{
33	return nv_subidx(&engine->subdev);
34}
35
36struct nvkm_engine *nvkm_engine(void *obj, int idx);
37
38#define nvkm_engine_create(p,e,c,d,i,f,r)                                   \
39	nvkm_engine_create_((p), (e), (c), (d), (i), (f),                   \
40			       sizeof(**r),(void **)r)
41
42#define nvkm_engine_destroy(p)                                              \
43	nvkm_subdev_destroy(&(p)->subdev)
44#define nvkm_engine_init(p)                                                 \
45	nvkm_subdev_init(&(p)->subdev)
46#define nvkm_engine_fini(p,s)                                               \
47	nvkm_subdev_fini(&(p)->subdev, (s))
48
49int nvkm_engine_create_(struct nvkm_object *, struct nvkm_object *,
50			   struct nvkm_oclass *, bool, const char *,
51			   const char *, int, void **);
52
53#define _nvkm_engine_dtor _nvkm_subdev_dtor
54#define _nvkm_engine_init _nvkm_subdev_init
55#define _nvkm_engine_fini _nvkm_subdev_fini
56#endif
57