xref: /openbmc/linux/include/uapi/drm/nouveau_drm.h (revision eb3fcf00)
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 /* reserved object handles when using deprecated object APIs - these
31  * are here so that libdrm can allow interoperability with the new
32  * object APIs
33  */
34 #define NOUVEAU_ABI16_CLIENT   0xffffffff
35 #define NOUVEAU_ABI16_DEVICE   0xdddddddd
36 #define NOUVEAU_ABI16_CHAN(n) (0xcccc0000 | (n))
37 
38 #define NOUVEAU_GEM_DOMAIN_CPU       (1 << 0)
39 #define NOUVEAU_GEM_DOMAIN_VRAM      (1 << 1)
40 #define NOUVEAU_GEM_DOMAIN_GART      (1 << 2)
41 #define NOUVEAU_GEM_DOMAIN_MAPPABLE  (1 << 3)
42 #define NOUVEAU_GEM_DOMAIN_COHERENT  (1 << 4)
43 
44 #define NOUVEAU_GEM_TILE_COMP        0x00030000 /* nv50-only */
45 #define NOUVEAU_GEM_TILE_LAYOUT_MASK 0x0000ff00
46 #define NOUVEAU_GEM_TILE_16BPP       0x00000001
47 #define NOUVEAU_GEM_TILE_32BPP       0x00000002
48 #define NOUVEAU_GEM_TILE_ZETA        0x00000004
49 #define NOUVEAU_GEM_TILE_NONCONTIG   0x00000008
50 
51 struct drm_nouveau_gem_info {
52 	uint32_t handle;
53 	uint32_t domain;
54 	uint64_t size;
55 	uint64_t offset;
56 	uint64_t map_handle;
57 	uint32_t tile_mode;
58 	uint32_t tile_flags;
59 };
60 
61 struct drm_nouveau_gem_new {
62 	struct drm_nouveau_gem_info info;
63 	uint32_t channel_hint;
64 	uint32_t align;
65 };
66 
67 #define NOUVEAU_GEM_MAX_BUFFERS 1024
68 struct drm_nouveau_gem_pushbuf_bo_presumed {
69 	uint32_t valid;
70 	uint32_t domain;
71 	uint64_t offset;
72 };
73 
74 struct drm_nouveau_gem_pushbuf_bo {
75 	uint64_t user_priv;
76 	uint32_t handle;
77 	uint32_t read_domains;
78 	uint32_t write_domains;
79 	uint32_t valid_domains;
80 	struct drm_nouveau_gem_pushbuf_bo_presumed presumed;
81 };
82 
83 #define NOUVEAU_GEM_RELOC_LOW  (1 << 0)
84 #define NOUVEAU_GEM_RELOC_HIGH (1 << 1)
85 #define NOUVEAU_GEM_RELOC_OR   (1 << 2)
86 #define NOUVEAU_GEM_MAX_RELOCS 1024
87 struct drm_nouveau_gem_pushbuf_reloc {
88 	uint32_t reloc_bo_index;
89 	uint32_t reloc_bo_offset;
90 	uint32_t bo_index;
91 	uint32_t flags;
92 	uint32_t data;
93 	uint32_t vor;
94 	uint32_t tor;
95 };
96 
97 #define NOUVEAU_GEM_MAX_PUSH 512
98 struct drm_nouveau_gem_pushbuf_push {
99 	uint32_t bo_index;
100 	uint32_t pad;
101 	uint64_t offset;
102 	uint64_t length;
103 };
104 
105 struct drm_nouveau_gem_pushbuf {
106 	uint32_t channel;
107 	uint32_t nr_buffers;
108 	uint64_t buffers;
109 	uint32_t nr_relocs;
110 	uint32_t nr_push;
111 	uint64_t relocs;
112 	uint64_t push;
113 	uint32_t suffix0;
114 	uint32_t suffix1;
115 	uint64_t vram_available;
116 	uint64_t gart_available;
117 };
118 
119 #define NOUVEAU_GEM_CPU_PREP_NOWAIT                                  0x00000001
120 #define NOUVEAU_GEM_CPU_PREP_WRITE                                   0x00000004
121 struct drm_nouveau_gem_cpu_prep {
122 	uint32_t handle;
123 	uint32_t flags;
124 };
125 
126 struct drm_nouveau_gem_cpu_fini {
127 	uint32_t handle;
128 };
129 
130 #define DRM_NOUVEAU_GETPARAM           0x00 /* deprecated */
131 #define DRM_NOUVEAU_SETPARAM           0x01 /* deprecated */
132 #define DRM_NOUVEAU_CHANNEL_ALLOC      0x02 /* deprecated */
133 #define DRM_NOUVEAU_CHANNEL_FREE       0x03 /* deprecated */
134 #define DRM_NOUVEAU_GROBJ_ALLOC        0x04 /* deprecated */
135 #define DRM_NOUVEAU_NOTIFIEROBJ_ALLOC  0x05 /* deprecated */
136 #define DRM_NOUVEAU_GPUOBJ_FREE        0x06 /* deprecated */
137 #define DRM_NOUVEAU_NVIF               0x07
138 #define DRM_NOUVEAU_GEM_NEW            0x40
139 #define DRM_NOUVEAU_GEM_PUSHBUF        0x41
140 #define DRM_NOUVEAU_GEM_CPU_PREP       0x42
141 #define DRM_NOUVEAU_GEM_CPU_FINI       0x43
142 #define DRM_NOUVEAU_GEM_INFO           0x44
143 
144 #define DRM_IOCTL_NOUVEAU_GEM_NEW            DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_NEW, struct drm_nouveau_gem_new)
145 #define DRM_IOCTL_NOUVEAU_GEM_PUSHBUF        DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_PUSHBUF, struct drm_nouveau_gem_pushbuf)
146 #define DRM_IOCTL_NOUVEAU_GEM_CPU_PREP       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_PREP, struct drm_nouveau_gem_cpu_prep)
147 #define DRM_IOCTL_NOUVEAU_GEM_CPU_FINI       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_FINI, struct drm_nouveau_gem_cpu_fini)
148 #define DRM_IOCTL_NOUVEAU_GEM_INFO           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_INFO, struct drm_nouveau_gem_info)
149 
150 #endif /* __NOUVEAU_DRM_H__ */
151