LXR linux/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
   8struct nouveau_instobj {
   9        struct nouveau_object base;
  10        struct list_head head;
  11        u32 *suspend;
  12        u64 addr;
  13        u32 size;
  14};
  15
  16static inline struct nouveau_instobj *
  17nv_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
  33int  nouveau_instobj_create_(struct nouveau_object *, struct nouveau_object *,
  34                             struct nouveau_oclass *, int, void **);
  35void nouveau_instobj_destroy(struct nouveau_instobj *);
  36
  37void _nouveau_instobj_dtor(struct nouveau_object *);
  38#define _nouveau_instobj_init nouveau_object_init
  39#define _nouveau_instobj_fini nouveau_object_fini
  40
  41struct 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
  50static inline struct nouveau_instmem *
  51nouveau_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)
  60int nouveau_instmem_create_(struct nouveau_object *, struct nouveau_object *,
  61                            struct nouveau_oclass *, int, void **);
  62int nouveau_instmem_init(struct nouveau_instmem *);
  63int nouveau_instmem_fini(struct nouveau_instmem *, bool);
  64
  65#define _nouveau_instmem_dtor _nouveau_subdev_dtor
  66int _nouveau_instmem_init(struct nouveau_object *);
  67int _nouveau_instmem_fini(struct nouveau_object *, bool);
  68
  69extern struct nouveau_oclass nv04_instmem_oclass;
  70extern struct nouveau_oclass nv40_instmem_oclass;
  71extern struct nouveau_oclass nv50_instmem_oclass;
  72
  73#endif
  74