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_DRM_HEADER_PATCHLEVEL 16
29 
30 struct drm_nouveau_channel_alloc {
31 	uint32_t     fb_ctxdma_handle;
32 	uint32_t     tt_ctxdma_handle;
33 
34 	int          channel;
35 	uint32_t     pushbuf_domains;
36 
37 	/* Notifier memory */
38 	uint32_t     notifier_handle;
39 
40 	/* DRM-enforced subchannel assignments */
41 	struct {
42 		uint32_t handle;
43 		uint32_t grclass;
44 	} subchan[8];
45 	uint32_t nr_subchan;
46 };
47 
48 struct drm_nouveau_channel_free {
49 	int channel;
50 };
51 
52 struct drm_nouveau_grobj_alloc {
53 	int      channel;
54 	uint32_t handle;
55 	int      class;
56 };
57 
58 struct drm_nouveau_notifierobj_alloc {
59 	uint32_t channel;
60 	uint32_t handle;
61 	uint32_t size;
62 	uint32_t offset;
63 };
64 
65 struct drm_nouveau_gpuobj_free {
66 	int      channel;
67 	uint32_t handle;
68 };
69 
70 /* FIXME : maybe unify {GET,SET}PARAMs */
71 #define NOUVEAU_GETPARAM_PCI_VENDOR      3
72 #define NOUVEAU_GETPARAM_PCI_DEVICE      4
73 #define NOUVEAU_GETPARAM_BUS_TYPE        5
74 #define NOUVEAU_GETPARAM_FB_PHYSICAL     6
75 #define NOUVEAU_GETPARAM_AGP_PHYSICAL    7
76 #define NOUVEAU_GETPARAM_FB_SIZE         8
77 #define NOUVEAU_GETPARAM_AGP_SIZE        9
78 #define NOUVEAU_GETPARAM_PCI_PHYSICAL    10
79 #define NOUVEAU_GETPARAM_CHIPSET_ID      11
80 #define NOUVEAU_GETPARAM_VM_VRAM_BASE    12
81 #define NOUVEAU_GETPARAM_GRAPH_UNITS     13
82 #define NOUVEAU_GETPARAM_PTIMER_TIME     14
83 #define NOUVEAU_GETPARAM_HAS_BO_USAGE    15
84 #define NOUVEAU_GETPARAM_HAS_PAGEFLIP    16
85 struct drm_nouveau_getparam {
86 	uint64_t param;
87 	uint64_t value;
88 };
89 
90 struct drm_nouveau_setparam {
91 	uint64_t param;
92 	uint64_t value;
93 };
94 
95 #define NOUVEAU_GEM_DOMAIN_CPU       (1 << 0)
96 #define NOUVEAU_GEM_DOMAIN_VRAM      (1 << 1)
97 #define NOUVEAU_GEM_DOMAIN_GART      (1 << 2)
98 #define NOUVEAU_GEM_DOMAIN_MAPPABLE  (1 << 3)
99 
100 #define NOUVEAU_GEM_TILE_LAYOUT_MASK 0x0000ff00
101 #define NOUVEAU_GEM_TILE_16BPP       0x00000001
102 #define NOUVEAU_GEM_TILE_32BPP       0x00000002
103 #define NOUVEAU_GEM_TILE_ZETA        0x00000004
104 #define NOUVEAU_GEM_TILE_NONCONTIG   0x00000008
105 
106 struct drm_nouveau_gem_info {
107 	uint32_t handle;
108 	uint32_t domain;
109 	uint64_t size;
110 	uint64_t offset;
111 	uint64_t map_handle;
112 	uint32_t tile_mode;
113 	uint32_t tile_flags;
114 };
115 
116 struct drm_nouveau_gem_new {
117 	struct drm_nouveau_gem_info info;
118 	uint32_t channel_hint;
119 	uint32_t align;
120 };
121 
122 #define NOUVEAU_GEM_MAX_BUFFERS 1024
123 struct drm_nouveau_gem_pushbuf_bo_presumed {
124 	uint32_t valid;
125 	uint32_t domain;
126 	uint64_t offset;
127 };
128 
129 struct drm_nouveau_gem_pushbuf_bo {
130 	uint64_t user_priv;
131 	uint32_t handle;
132 	uint32_t read_domains;
133 	uint32_t write_domains;
134 	uint32_t valid_domains;
135 	struct drm_nouveau_gem_pushbuf_bo_presumed presumed;
136 };
137 
138 #define NOUVEAU_GEM_RELOC_LOW  (1 << 0)
139 #define NOUVEAU_GEM_RELOC_HIGH (1 << 1)
140 #define NOUVEAU_GEM_RELOC_OR   (1 << 2)
141 #define NOUVEAU_GEM_MAX_RELOCS 1024
142 struct drm_nouveau_gem_pushbuf_reloc {
143 	uint32_t reloc_bo_index;
144 	uint32_t reloc_bo_offset;
145 	uint32_t bo_index;
146 	uint32_t flags;
147 	uint32_t data;
148 	uint32_t vor;
149 	uint32_t tor;
150 };
151 
152 #define NOUVEAU_GEM_MAX_PUSH 512
153 struct drm_nouveau_gem_pushbuf_push {
154 	uint32_t bo_index;
155 	uint32_t pad;
156 	uint64_t offset;
157 	uint64_t length;
158 };
159 
160 struct drm_nouveau_gem_pushbuf {
161 	uint32_t channel;
162 	uint32_t nr_buffers;
163 	uint64_t buffers;
164 	uint32_t nr_relocs;
165 	uint32_t nr_push;
166 	uint64_t relocs;
167 	uint64_t push;
168 	uint32_t suffix0;
169 	uint32_t suffix1;
170 	uint64_t vram_available;
171 	uint64_t gart_available;
172 };
173 
174 #define NOUVEAU_GEM_CPU_PREP_NOWAIT                                  0x00000001
175 #define NOUVEAU_GEM_CPU_PREP_NOBLOCK                                 0x00000002
176 #define NOUVEAU_GEM_CPU_PREP_WRITE                                   0x00000004
177 struct drm_nouveau_gem_cpu_prep {
178 	uint32_t handle;
179 	uint32_t flags;
180 };
181 
182 struct drm_nouveau_gem_cpu_fini {
183 	uint32_t handle;
184 };
185 
186 enum nouveau_bus_type {
187 	NV_AGP     = 0,
188 	NV_PCI     = 1,
189 	NV_PCIE    = 2,
190 };
191 
192 struct drm_nouveau_sarea {
193 };
194 
195 #define DRM_NOUVEAU_GETPARAM           0x00
196 #define DRM_NOUVEAU_SETPARAM           0x01
197 #define DRM_NOUVEAU_CHANNEL_ALLOC      0x02
198 #define DRM_NOUVEAU_CHANNEL_FREE       0x03
199 #define DRM_NOUVEAU_GROBJ_ALLOC        0x04
200 #define DRM_NOUVEAU_NOTIFIEROBJ_ALLOC  0x05
201 #define DRM_NOUVEAU_GPUOBJ_FREE        0x06
202 #define DRM_NOUVEAU_GEM_NEW            0x40
203 #define DRM_NOUVEAU_GEM_PUSHBUF        0x41
204 #define DRM_NOUVEAU_GEM_CPU_PREP       0x42
205 #define DRM_NOUVEAU_GEM_CPU_FINI       0x43
206 #define DRM_NOUVEAU_GEM_INFO           0x44
207 
208 /* The ioctls below are marked as staging */
209 #define DRM_NOUVEAU_GEM_SET_TILING     0x50
210 #define DRM_NOUVEAU_GEM_PUSHBUF_2      0x51
211 
212 #endif /* __NOUVEAU_DRM_H__ */
213