1/*
2 * Copyright 2007 Nouveau Project
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 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23#ifndef __NOUVEAU_BO_H__
24#define __NOUVEAU_BO_H__
25
26/* Relocation/Buffer type flags */
27#define NOUVEAU_BO_VRAM   (1 << 0)
28#define NOUVEAU_BO_GART   (1 << 1)
29#define NOUVEAU_BO_RD     (1 << 2)
30#define NOUVEAU_BO_WR     (1 << 3)
31#define NOUVEAU_BO_RDWR   (NOUVEAU_BO_RD | NOUVEAU_BO_WR)
32#define NOUVEAU_BO_MAP    (1 << 4)
33#define NOUVEAU_BO_PIN    (1 << 5)
34#define NOUVEAU_BO_LOW    (1 << 6)
35#define NOUVEAU_BO_HIGH   (1 << 7)
36#define NOUVEAU_BO_OR     (1 << 8)
37#define NOUVEAU_BO_LOCAL  (1 << 9)
38#define NOUVEAU_BO_TILED  (1 << 10)
39#define NOUVEAU_BO_ZTILE  (1 << 11)
40#define NOUVEAU_BO_DUMMY  (1 << 31)
41
42struct nouveau_bo {
43	struct nouveau_device *device;
44	uint32_t handle;
45
46	uint64_t size;
47	void *map;
48
49	int tiled;
50
51	/* Available when buffer is pinned *only* */
52	uint32_t flags;
53	uint64_t offset;
54};
55
56int
57nouveau_bo_new(struct nouveau_device *, uint32_t flags, int align, int size,
58	       struct nouveau_bo **);
59
60int
61nouveau_bo_user(struct nouveau_device *, void *ptr, int size,
62		struct nouveau_bo **);
63
64int
65nouveau_bo_fake(struct nouveau_device *dev, uint64_t offset, uint32_t flags,
66		uint32_t size, void *map, struct nouveau_bo **);
67
68int
69nouveau_bo_handle_get(struct nouveau_bo *, uint32_t *);
70
71int
72nouveau_bo_handle_ref(struct nouveau_device *, uint32_t handle,
73		      struct nouveau_bo **);
74
75int
76nouveau_bo_ref(struct nouveau_bo *, struct nouveau_bo **);
77
78int
79nouveau_bo_map(struct nouveau_bo *, uint32_t flags);
80
81void
82nouveau_bo_unmap(struct nouveau_bo *);
83
84int
85nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
86
87void
88nouveau_bo_unpin(struct nouveau_bo *);
89
90int
91nouveau_bo_tile(struct nouveau_bo *, uint32_t flags, uint32_t delta,
92		uint32_t size);
93
94int
95nouveau_bo_busy(struct nouveau_bo *, uint32_t access);
96
97#endif
98