1 #ifndef __NOUVEAU_ENGINE_H__
2 #define __NOUVEAU_ENGINE_H__
3 
4 #include <core/object.h>
5 #include <core/subdev.h>
6 
7 #define NV_ENGINE_(eng,var) (NV_ENGINE_CLASS | ((var) << 8) | (eng))
8 #define NV_ENGINE(name,var)  NV_ENGINE_(NVDEV_ENGINE_##name, (var))
9 
10 struct nouveau_engine {
11 	struct nouveau_subdev base;
12 	struct nouveau_oclass *cclass;
13 	struct nouveau_oclass *sclass;
14 
15 	struct list_head contexts;
16 	spinlock_t lock;
17 
18 	void (*tile_prog)(struct nouveau_engine *, int region);
19 	int  (*tlb_flush)(struct nouveau_engine *);
20 };
21 
22 static inline struct nouveau_engine *
nv_engine(void * obj)23 nv_engine(void *obj)
24 {
25 #if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
26 	if (unlikely(!nv_iclass(obj, NV_ENGINE_CLASS)))
27 		nv_assert("BAD CAST -> NvEngine, %08x", nv_hclass(obj));
28 #endif
29 	return obj;
30 }
31 
32 static inline int
nv_engidx(struct nouveau_object * object)33 nv_engidx(struct nouveau_object *object)
34 {
35 	return nv_subidx(object);
36 }
37 
38 #define nouveau_engine_create(p,e,c,d,i,f,r)                                   \
39 	nouveau_engine_create_((p), (e), (c), (d), (i), (f),                   \
40 			       sizeof(**r),(void **)r)
41 
42 #define nouveau_engine_destroy(p)                                              \
43 	nouveau_subdev_destroy(&(p)->base)
44 #define nouveau_engine_init(p)                                                 \
45 	nouveau_subdev_init(&(p)->base)
46 #define nouveau_engine_fini(p,s)                                               \
47 	nouveau_subdev_fini(&(p)->base, (s))
48 
49 int nouveau_engine_create_(struct nouveau_object *, struct nouveau_object *,
50 			   struct nouveau_oclass *, bool, const char *,
51 			   const char *, int, void **);
52 
53 #define _nouveau_engine_dtor _nouveau_subdev_dtor
54 #define _nouveau_engine_init _nouveau_subdev_init
55 #define _nouveau_engine_fini _nouveau_subdev_fini
56 
57 #endif
58