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
8 struct 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
20 static inline struct nvkm_engine *
nv_engine(void * obj)21 nv_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
30 static inline int
nv_engidx(struct nvkm_engine * engine)31 nv_engidx(struct nvkm_engine *engine)
32 {
33 return nv_subidx(&engine->subdev);
34 }
35
36 struct 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
49 int 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