xref: /openbmc/linux/include/uapi/drm/nouveau_drm.h (revision a06c488d)
1 /*
2  * Copyright 2005 Stephane Marchesin.
3  * All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
25 #ifndef __NOUVEAU_DRM_H__
26 #define __NOUVEAU_DRM_H__
27 
28 #define DRM_NOUVEAU_EVENT_NVIF                                       0x80000000
29 
30 #include <drm/drm.h>
31 
32 #define NOUVEAU_GEM_DOMAIN_CPU       (1 << 0)
33 #define NOUVEAU_GEM_DOMAIN_VRAM      (1 << 1)
34 #define NOUVEAU_GEM_DOMAIN_GART      (1 << 2)
35 #define NOUVEAU_GEM_DOMAIN_MAPPABLE  (1 << 3)
36 #define NOUVEAU_GEM_DOMAIN_COHERENT  (1 << 4)
37 
38 #define NOUVEAU_GEM_TILE_COMP        0x00030000 /* nv50-only */
39 #define NOUVEAU_GEM_TILE_LAYOUT_MASK 0x0000ff00
40 #define NOUVEAU_GEM_TILE_16BPP       0x00000001
41 #define NOUVEAU_GEM_TILE_32BPP       0x00000002
42 #define NOUVEAU_GEM_TILE_ZETA        0x00000004
43 #define NOUVEAU_GEM_TILE_NONCONTIG   0x00000008
44 
45 struct drm_nouveau_gem_info {
46 	__u32 handle;
47 	__u32 domain;
48 	__u64 size;
49 	__u64 offset;
50 	__u64 map_handle;
51 	__u32 tile_mode;
52 	__u32 tile_flags;
53 };
54 
55 struct drm_nouveau_gem_new {
56 	struct drm_nouveau_gem_info info;
57 	__u32 channel_hint;
58 	__u32 align;
59 };
60 
61 #define NOUVEAU_GEM_MAX_BUFFERS 1024
62 struct drm_nouveau_gem_pushbuf_bo_presumed {
63 	__u32 valid;
64 	__u32 domain;
65 	__u64 offset;
66 };
67 
68 struct drm_nouveau_gem_pushbuf_bo {
69 	__u64 user_priv;
70 	__u32 handle;
71 	__u32 read_domains;
72 	__u32 write_domains;
73 	__u32 valid_domains;
74 	struct drm_nouveau_gem_pushbuf_bo_presumed presumed;
75 };
76 
77 #define NOUVEAU_GEM_RELOC_LOW  (1 << 0)
78 #define NOUVEAU_GEM_RELOC_HIGH (1 << 1)
79 #define NOUVEAU_GEM_RELOC_OR   (1 << 2)
80 #define NOUVEAU_GEM_MAX_RELOCS 1024
81 struct drm_nouveau_gem_pushbuf_reloc {
82 	__u32 reloc_bo_index;
83 	__u32 reloc_bo_offset;
84 	__u32 bo_index;
85 	__u32 flags;
86 	__u32 data;
87 	__u32 vor;
88 	__u32 tor;
89 };
90 
91 #define NOUVEAU_GEM_MAX_PUSH 512
92 struct drm_nouveau_gem_pushbuf_push {
93 	__u32 bo_index;
94 	__u32 pad;
95 	__u64 offset;
96 	__u64 length;
97 };
98 
99 struct drm_nouveau_gem_pushbuf {
100 	__u32 channel;
101 	__u32 nr_buffers;
102 	__u64 buffers;
103 	__u32 nr_relocs;
104 	__u32 nr_push;
105 	__u64 relocs;
106 	__u64 push;
107 	__u32 suffix0;
108 	__u32 suffix1;
109 	__u64 vram_available;
110 	__u64 gart_available;
111 };
112 
113 #define NOUVEAU_GEM_CPU_PREP_NOWAIT                                  0x00000001
114 #define NOUVEAU_GEM_CPU_PREP_WRITE                                   0x00000004
115 struct drm_nouveau_gem_cpu_prep {
116 	__u32 handle;
117 	__u32 flags;
118 };
119 
120 struct drm_nouveau_gem_cpu_fini {
121 	__u32 handle;
122 };
123 
124 #define DRM_NOUVEAU_GETPARAM           0x00 /* deprecated */
125 #define DRM_NOUVEAU_SETPARAM           0x01 /* deprecated */
126 #define DRM_NOUVEAU_CHANNEL_ALLOC      0x02 /* deprecated */
127 #define DRM_NOUVEAU_CHANNEL_FREE       0x03 /* deprecated */
128 #define DRM_NOUVEAU_GROBJ_ALLOC        0x04 /* deprecated */
129 #define DRM_NOUVEAU_NOTIFIEROBJ_ALLOC  0x05 /* deprecated */
130 #define DRM_NOUVEAU_GPUOBJ_FREE        0x06 /* deprecated */
131 #define DRM_NOUVEAU_NVIF               0x07
132 #define DRM_NOUVEAU_GEM_NEW            0x40
133 #define DRM_NOUVEAU_GEM_PUSHBUF        0x41
134 #define DRM_NOUVEAU_GEM_CPU_PREP       0x42
135 #define DRM_NOUVEAU_GEM_CPU_FINI       0x43
136 #define DRM_NOUVEAU_GEM_INFO           0x44
137 
138 #define DRM_IOCTL_NOUVEAU_GEM_NEW            DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_NEW, struct drm_nouveau_gem_new)
139 #define DRM_IOCTL_NOUVEAU_GEM_PUSHBUF        DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_PUSHBUF, struct drm_nouveau_gem_pushbuf)
140 #define DRM_IOCTL_NOUVEAU_GEM_CPU_PREP       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_PREP, struct drm_nouveau_gem_cpu_prep)
141 #define DRM_IOCTL_NOUVEAU_GEM_CPU_FINI       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_FINI, struct drm_nouveau_gem_cpu_fini)
142 #define DRM_IOCTL_NOUVEAU_GEM_INFO           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_INFO, struct drm_nouveau_gem_info)
143 
144 #endif /* __NOUVEAU_DRM_H__ */
145