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
26struct nouveau_instmem {
27 struct nouveau_subdev base;
28 struct list_head list;
29
30 u32 reserved;
31 int (*alloc)(struct nouveau_instmem *, struct nouveau_object *,
32 u32 size, u32 align, struct nouveau_object **);
33};
34
35static inline struct nouveau_instmem *
36nouveau_instmem(void *obj)
37{
38 /* nv04/nv40 impls need to create objects in their constructor,
39 * which is before the subdev pointer is valid
40 */
41 if (nv_iclass(obj, NV_SUBDEV_CLASS) &&
42 nv_subidx(obj) == NVDEV_SUBDEV_INSTMEM)
43 return obj;
44
45 return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_INSTMEM];
46}
47
48extern struct nouveau_oclass *nv04_instmem_oclass;
49extern struct nouveau_oclass *nv40_instmem_oclass;
50extern struct nouveau_oclass *nv50_instmem_oclass;
51
52#endif
53