xref: /openbmc/linux/include/uapi/drm/nouveau_drm.h (revision 842b6b16)
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 #define NOUVEAU_GEM_DOMAIN_CPU       (1 << 0)
31 #define NOUVEAU_GEM_DOMAIN_VRAM      (1 << 1)
32 #define NOUVEAU_GEM_DOMAIN_GART      (1 << 2)
33 #define NOUVEAU_GEM_DOMAIN_MAPPABLE  (1 << 3)
34 #define NOUVEAU_GEM_DOMAIN_COHERENT  (1 << 4)
35 
36 #define NOUVEAU_GEM_TILE_COMP        0x00030000 /* nv50-only */
37 #define NOUVEAU_GEM_TILE_LAYOUT_MASK 0x0000ff00
38 #define NOUVEAU_GEM_TILE_16BPP       0x00000001
39 #define NOUVEAU_GEM_TILE_32BPP       0x00000002
40 #define NOUVEAU_GEM_TILE_ZETA        0x00000004
41 #define NOUVEAU_GEM_TILE_NONCONTIG   0x00000008
42 
43 struct drm_nouveau_gem_info {
44 	uint32_t handle;
45 	uint32_t domain;
46 	uint64_t size;
47 	uint64_t offset;
48 	uint64_t map_handle;
49 	uint32_t tile_mode;
50 	uint32_t tile_flags;
51 };
52 
53 struct drm_nouveau_gem_new {
54 	struct drm_nouveau_gem_info info;
55 	uint32_t channel_hint;
56 	uint32_t align;
57 };
58 
59 #define NOUVEAU_GEM_MAX_BUFFERS 1024
60 struct drm_nouveau_gem_pushbuf_bo_presumed {
61 	uint32_t valid;
62 	uint32_t domain;
63 	uint64_t offset;
64 };
65 
66 struct drm_nouveau_gem_pushbuf_bo {
67 	uint64_t user_priv;
68 	uint32_t handle;
69 	uint32_t read_domains;
70 	uint32_t write_domains;
71 	uint32_t valid_domains;
72 	struct drm_nouveau_gem_pushbuf_bo_presumed presumed;
73 };
74 
75 #define NOUVEAU_GEM_RELOC_LOW  (1 << 0)
76 #define NOUVEAU_GEM_RELOC_HIGH (1 << 1)
77 #define NOUVEAU_GEM_RELOC_OR   (1 << 2)
78 #define NOUVEAU_GEM_MAX_RELOCS 1024
79 struct drm_nouveau_gem_pushbuf_reloc {
80 	uint32_t reloc_bo_index;
81 	uint32_t reloc_bo_offset;
82 	uint32_t bo_index;
83 	uint32_t flags;
84 	uint32_t data;
85 	uint32_t vor;
86 	uint32_t tor;
87 };
88 
89 #define NOUVEAU_GEM_MAX_PUSH 512
90 struct drm_nouveau_gem_pushbuf_push {
91 	uint32_t bo_index;
92 	uint32_t pad;
93 	uint64_t offset;
94 	uint64_t length;
95 };
96 
97 struct drm_nouveau_gem_pushbuf {
98 	uint32_t channel;
99 	uint32_t nr_buffers;
100 	uint64_t buffers;
101 	uint32_t nr_relocs;
102 	uint32_t nr_push;
103 	uint64_t relocs;
104 	uint64_t push;
105 	uint32_t suffix0;
106 	uint32_t suffix1;
107 	uint64_t vram_available;
108 	uint64_t gart_available;
109 };
110 
111 #define NOUVEAU_GEM_CPU_PREP_NOWAIT                                  0x00000001
112 #define NOUVEAU_GEM_CPU_PREP_WRITE                                   0x00000004
113 struct drm_nouveau_gem_cpu_prep {
114 	uint32_t handle;
115 	uint32_t flags;
116 };
117 
118 struct drm_nouveau_gem_cpu_fini {
119 	uint32_t handle;
120 };
121 
122 #define DRM_NOUVEAU_GETPARAM           0x00 /* deprecated */
123 #define DRM_NOUVEAU_SETPARAM           0x01 /* deprecated */
124 #define DRM_NOUVEAU_CHANNEL_ALLOC      0x02 /* deprecated */
125 #define DRM_NOUVEAU_CHANNEL_FREE       0x03 /* deprecated */
126 #define DRM_NOUVEAU_GROBJ_ALLOC        0x04 /* deprecated */
127 #define DRM_NOUVEAU_NOTIFIEROBJ_ALLOC  0x05 /* deprecated */
128 #define DRM_NOUVEAU_GPUOBJ_FREE        0x06 /* deprecated */
129 #define DRM_NOUVEAU_NVIF               0x07
130 #define DRM_NOUVEAU_GEM_NEW            0x40
131 #define DRM_NOUVEAU_GEM_PUSHBUF        0x41
132 #define DRM_NOUVEAU_GEM_CPU_PREP       0x42
133 #define DRM_NOUVEAU_GEM_CPU_FINI       0x43
134 #define DRM_NOUVEAU_GEM_INFO           0x44
135 
136 #define DRM_IOCTL_NOUVEAU_GEM_NEW            DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_NEW, struct drm_nouveau_gem_new)
137 #define DRM_IOCTL_NOUVEAU_GEM_PUSHBUF        DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_PUSHBUF, struct drm_nouveau_gem_pushbuf)
138 #define DRM_IOCTL_NOUVEAU_GEM_CPU_PREP       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_PREP, struct drm_nouveau_gem_cpu_prep)
139 #define DRM_IOCTL_NOUVEAU_GEM_CPU_FINI       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_FINI, struct drm_nouveau_gem_cpu_fini)
140 #define DRM_IOCTL_NOUVEAU_GEM_INFO           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_INFO, struct drm_nouveau_gem_info)
141 
142 #endif /* __NOUVEAU_DRM_H__ */
143