drivers/gpu/drm/nouveau/core/include/subdev/instmem.h

   1 #ifndef __NOUVEAU_INSTMEM_H__
   2 #define __NOUVEAU_INSTMEM_H__
   3
   4 #include <core/subdev.h>
   5 #include <core/device.h>
   6 #include <core/mm.h>
   7
   8 struct nouveau_instobj {
   9         struct nouveau_object base;
  10         struct list_head head;
  11         u32 *suspend;
  12         u64 addr;
  13         u32 size;
  14 };
  15
  16 static inline struct nouveau_instobj *
  17 nv_memobj(void *obj)
  18 {
  19 #if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
  20         if (unlikely(!nv_iclass(obj, NV_MEMOBJ_CLASS)))
  21                 nv_assert("BAD CAST -> NvMemObj, %08x", nv_hclass(obj));
  22 #endif
  23         return obj;
  24 }
  25
  26 #define nouveau_instobj_create(p,e,o,d)                                        \
  27         nouveau_instobj_create_((p), (e), (o), sizeof(**d), (void **)d)
  28 #define nouveau_instobj_init(p)                                                \
  29         nouveau_object_init(&(p)->base)
  30 #define nouveau_instobj_fini(p,s)                                              \
  31         nouveau_object_fini(&(p)->base, (s))
  32
  33 int  nouveau_instobj_create_(struct nouveau_object *, struct nouveau_object *,
  34                              struct nouveau_oclass *, int, void **);
  35 void nouveau_instobj_destroy(struct nouveau_instobj *);
  36
  37 void _nouveau_instobj_dtor(struct nouveau_object *);
  38 #define _nouveau_instobj_init nouveau_object_init
  39 #define _nouveau_instobj_fini nouveau_object_fini
  40
  41 struct nouveau_instmem {
  42         struct nouveau_subdev base;
  43         struct list_head list;
  44
  45         u32 reserved;
  46         int (*alloc)(struct nouveau_instmem *, struct nouveau_object *,
  47                      u32 size, u32 align, struct nouveau_object **);
  48 };
  49
  50 static inline struct nouveau_instmem *
  51 nouveau_instmem(void *obj)
  52 {
  53         return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_INSTMEM];
  54 }
  55
  56 #define nouveau_instmem_create(p,e,o,d)                                        \
  57         nouveau_instmem_create_((p), (e), (o), sizeof(**d), (void **)d)
  58 #define nouveau_instmem_destroy(p)                                             \
  59         nouveau_subdev_destroy(&(p)->base)
  60 int nouveau_instmem_create_(struct nouveau_object *, struct nouveau_object *,
  61                             struct nouveau_oclass *, int, void **);
  62 int nouveau_instmem_init(struct nouveau_instmem *);
  63 int nouveau_instmem_fini(struct nouveau_instmem *, bool);
  64
  65 #define _nouveau_instmem_dtor _nouveau_subdev_dtor
  66 int _nouveau_instmem_init(struct nouveau_object *);
  67 int _nouveau_instmem_fini(struct nouveau_object *, bool);
  68
  69 extern struct nouveau_oclass nv04_instmem_oclass;
  70 extern struct nouveau_oclass nv40_instmem_oclass;
  71 extern struct nouveau_oclass nv50_instmem_oclass;
  72
  73 #endif