drivers/gpu/drm/nouveau/include/nvkm/core/engine.h

   1 #ifndef __NVKM_ENGINE_H__
   2 #define __NVKM_ENGINE_H__
   3 #include <core/subdev.h>
   4
   5 #define NV_ENGINE_(eng,var) (((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 *
  21 nv_engine(void *obj)
  22 {
  23 #if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
  24         BUG_ON(!nv_iclass(obj, NV_ENGINE_CLASS));
  25 #endif
  26         return obj;
  27 }
  28
  29 static inline int
  30 nv_engidx(struct nvkm_engine *engine)
  31 {
  32         return nv_subidx(&engine->subdev);
  33 }
  34
  35 struct nvkm_engine *nvkm_engine(void *obj, int idx);
  36
  37 #define nvkm_engine_create(p,e,c,d,i,f,r)                                   \
  38         nvkm_engine_create_((p), (e), (c), (d), (i), (f),                   \
  39                                sizeof(**r),(void **)r)
  40
  41 #define nvkm_engine_destroy(p)                                              \
  42         nvkm_subdev_destroy(&(p)->subdev)
  43 #define nvkm_engine_init_old(p)                                                \
  44         nvkm_subdev_init_old(&(p)->subdev)
  45 #define nvkm_engine_fini_old(p,s)                                              \
  46         nvkm_subdev_fini_old(&(p)->subdev, (s))
  47
  48 int nvkm_engine_create_(struct nvkm_object *, struct nvkm_object *,
  49                            struct nvkm_oclass *, bool, const char *,
  50                            const char *, int, void **);
  51
  52 #define _nvkm_engine_dtor _nvkm_subdev_dtor
  53 #define _nvkm_engine_init _nvkm_subdev_init
  54 #define _nvkm_engine_fini _nvkm_subdev_fini
  55
  56 #include <core/device.h>
  57 #endif