xref: /openbmc/linux/include/uapi/drm/nouveau_drm.h (revision d0b73b48)
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 NOUVEAU_GEM_DOMAIN_CPU       (1 << 0)
29 #define NOUVEAU_GEM_DOMAIN_VRAM      (1 << 1)
30 #define NOUVEAU_GEM_DOMAIN_GART      (1 << 2)
31 #define NOUVEAU_GEM_DOMAIN_MAPPABLE  (1 << 3)
32 
33 #define NOUVEAU_GEM_TILE_COMP        0x00030000 /* nv50-only */
34 #define NOUVEAU_GEM_TILE_LAYOUT_MASK 0x0000ff00
35 #define NOUVEAU_GEM_TILE_16BPP       0x00000001
36 #define NOUVEAU_GEM_TILE_32BPP       0x00000002
37 #define NOUVEAU_GEM_TILE_ZETA        0x00000004
38 #define NOUVEAU_GEM_TILE_NONCONTIG   0x00000008
39 
40 struct drm_nouveau_gem_info {
41 	uint32_t handle;
42 	uint32_t domain;
43 	uint64_t size;
44 	uint64_t offset;
45 	uint64_t map_handle;
46 	uint32_t tile_mode;
47 	uint32_t tile_flags;
48 };
49 
50 struct drm_nouveau_gem_new {
51 	struct drm_nouveau_gem_info info;
52 	uint32_t channel_hint;
53 	uint32_t align;
54 };
55 
56 #define NOUVEAU_GEM_MAX_BUFFERS 1024
57 struct drm_nouveau_gem_pushbuf_bo_presumed {
58 	uint32_t valid;
59 	uint32_t domain;
60 	uint64_t offset;
61 };
62 
63 struct drm_nouveau_gem_pushbuf_bo {
64 	uint64_t user_priv;
65 	uint32_t handle;
66 	uint32_t read_domains;
67 	uint32_t write_domains;
68 	uint32_t valid_domains;
69 	struct drm_nouveau_gem_pushbuf_bo_presumed presumed;
70 };
71 
72 #define NOUVEAU_GEM_RELOC_LOW  (1 << 0)
73 #define NOUVEAU_GEM_RELOC_HIGH (1 << 1)
74 #define NOUVEAU_GEM_RELOC_OR   (1 << 2)
75 #define NOUVEAU_GEM_MAX_RELOCS 1024
76 struct drm_nouveau_gem_pushbuf_reloc {
77 	uint32_t reloc_bo_index;
78 	uint32_t reloc_bo_offset;
79 	uint32_t bo_index;
80 	uint32_t flags;
81 	uint32_t data;
82 	uint32_t vor;
83 	uint32_t tor;
84 };
85 
86 #define NOUVEAU_GEM_MAX_PUSH 512
87 struct drm_nouveau_gem_pushbuf_push {
88 	uint32_t bo_index;
89 	uint32_t pad;
90 	uint64_t offset;
91 	uint64_t length;
92 };
93 
94 struct drm_nouveau_gem_pushbuf {
95 	uint32_t channel;
96 	uint32_t nr_buffers;
97 	uint64_t buffers;
98 	uint32_t nr_relocs;
99 	uint32_t nr_push;
100 	uint64_t relocs;
101 	uint64_t push;
102 	uint32_t suffix0;
103 	uint32_t suffix1;
104 	uint64_t vram_available;
105 	uint64_t gart_available;
106 };
107 
108 #define NOUVEAU_GEM_CPU_PREP_NOWAIT                                  0x00000001
109 #define NOUVEAU_GEM_CPU_PREP_WRITE                                   0x00000004
110 struct drm_nouveau_gem_cpu_prep {
111 	uint32_t handle;
112 	uint32_t flags;
113 };
114 
115 struct drm_nouveau_gem_cpu_fini {
116 	uint32_t handle;
117 };
118 
119 #define DRM_NOUVEAU_GETPARAM           0x00 /* deprecated */
120 #define DRM_NOUVEAU_SETPARAM           0x01 /* deprecated */
121 #define DRM_NOUVEAU_CHANNEL_ALLOC      0x02 /* deprecated */
122 #define DRM_NOUVEAU_CHANNEL_FREE       0x03 /* deprecated */
123 #define DRM_NOUVEAU_GROBJ_ALLOC        0x04 /* deprecated */
124 #define DRM_NOUVEAU_NOTIFIEROBJ_ALLOC  0x05 /* deprecated */
125 #define DRM_NOUVEAU_GPUOBJ_FREE        0x06 /* deprecated */
126 #define DRM_NOUVEAU_GEM_NEW            0x40
127 #define DRM_NOUVEAU_GEM_PUSHBUF        0x41
128 #define DRM_NOUVEAU_GEM_CPU_PREP       0x42
129 #define DRM_NOUVEAU_GEM_CPU_FINI       0x43
130 #define DRM_NOUVEAU_GEM_INFO           0x44
131 
132 #define DRM_IOCTL_NOUVEAU_GEM_NEW            DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_NEW, struct drm_nouveau_gem_new)
133 #define DRM_IOCTL_NOUVEAU_GEM_PUSHBUF        DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_PUSHBUF, struct drm_nouveau_gem_pushbuf)
134 #define DRM_IOCTL_NOUVEAU_GEM_CPU_PREP       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_PREP, struct drm_nouveau_gem_cpu_prep)
135 #define DRM_IOCTL_NOUVEAU_GEM_CPU_FINI       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_FINI, struct drm_nouveau_gem_cpu_fini)
136 #define DRM_IOCTL_NOUVEAU_GEM_INFO           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_INFO, struct drm_nouveau_gem_info)
137 
138 #endif /* __NOUVEAU_DRM_H__ */
139