1/*
 2 * Copyright 2010 Red Hat Inc.
 3 *
 4 * Permission is hereby granted, free of charge, to any person obtaining a
 5 * copy of this software and associated documentation files (the "Software"),
 6 * to deal in the Software without restriction, including without limitation
 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 8 * and/or sell copies of the Software, and to permit persons to whom the
 9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 */
24
25#ifndef __NOUVEAU_REGION_H__
26#define __NOUVEAU_REGION_H__
27
28struct nouveau_mm_node {
29	struct list_head nl_entry;
30	struct list_head fl_entry;
31	struct list_head rl_entry;
32
33	u8  type;
34	u32 offset;
35	u32 length;
36};
37
38struct nouveau_mm {
39	struct list_head nodes;
40	struct list_head free;
41
42	struct mutex mutex;
43
44	u32 block_size;
45};
46
47int  nouveau_mm_init(struct nouveau_mm **, u32 offset, u32 length, u32 block);
48int  nouveau_mm_fini(struct nouveau_mm **);
49int  nouveau_mm_pre(struct nouveau_mm *);
50int  nouveau_mm_get(struct nouveau_mm *, int type, u32 size, u32 size_nc,
51		    u32 align, struct nouveau_mm_node **);
52void nouveau_mm_put(struct nouveau_mm *, struct nouveau_mm_node *);
53
54int  nv50_vram_init(struct drm_device *);
55void nv50_vram_fini(struct drm_device *);
56int  nv50_vram_new(struct drm_device *, u64 size, u32 align, u32 size_nc,
57		    u32 memtype, struct nouveau_mem **);
58void nv50_vram_del(struct drm_device *, struct nouveau_mem **);
59bool nv50_vram_flags_valid(struct drm_device *, u32 tile_flags);
60
61int  nvc0_vram_init(struct drm_device *);
62int  nvc0_vram_new(struct drm_device *, u64 size, u32 align, u32 ncmin,
63		    u32 memtype, struct nouveau_mem **);
64bool nvc0_vram_flags_valid(struct drm_device *, u32 tile_flags);
65
66#endif