xref: /openbmc/linux/include/uapi/drm/tegra_drm.h (revision e23feb16)
1 /*
2  * Copyright (c) 2012-2013, NVIDIA CORPORATION.  All rights reserved.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms and conditions of the GNU General Public License,
6  * version 2, as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11  * more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 #ifndef _UAPI_TEGRA_DRM_H_
18 #define _UAPI_TEGRA_DRM_H_
19 
20 #include <drm/drm.h>
21 
22 struct drm_tegra_gem_create {
23 	__u64 size;
24 	__u32 flags;
25 	__u32 handle;
26 };
27 
28 struct drm_tegra_gem_mmap {
29 	__u32 handle;
30 	__u32 offset;
31 };
32 
33 struct drm_tegra_syncpt_read {
34 	__u32 id;
35 	__u32 value;
36 };
37 
38 struct drm_tegra_syncpt_incr {
39 	__u32 id;
40 	__u32 pad;
41 };
42 
43 struct drm_tegra_syncpt_wait {
44 	__u32 id;
45 	__u32 thresh;
46 	__u32 timeout;
47 	__u32 value;
48 };
49 
50 #define DRM_TEGRA_NO_TIMEOUT	(0xffffffff)
51 
52 struct drm_tegra_open_channel {
53 	__u32 client;
54 	__u32 pad;
55 	__u64 context;
56 };
57 
58 struct drm_tegra_close_channel {
59 	__u64 context;
60 };
61 
62 struct drm_tegra_get_syncpt {
63 	__u64 context;
64 	__u32 index;
65 	__u32 id;
66 };
67 
68 struct drm_tegra_syncpt {
69 	__u32 id;
70 	__u32 incrs;
71 };
72 
73 struct drm_tegra_cmdbuf {
74 	__u32 handle;
75 	__u32 offset;
76 	__u32 words;
77 	__u32 pad;
78 };
79 
80 struct drm_tegra_reloc {
81 	struct {
82 		__u32 handle;
83 		__u32 offset;
84 	} cmdbuf;
85 	struct {
86 		__u32 handle;
87 		__u32 offset;
88 	} target;
89 	__u32 shift;
90 	__u32 pad;
91 };
92 
93 struct drm_tegra_waitchk {
94 	__u32 handle;
95 	__u32 offset;
96 	__u32 syncpt;
97 	__u32 thresh;
98 };
99 
100 struct drm_tegra_submit {
101 	__u64 context;
102 	__u32 num_syncpts;
103 	__u32 num_cmdbufs;
104 	__u32 num_relocs;
105 	__u32 num_waitchks;
106 	__u32 waitchk_mask;
107 	__u32 timeout;
108 	__u32 pad;
109 	__u64 syncpts;
110 	__u64 cmdbufs;
111 	__u64 relocs;
112 	__u64 waitchks;
113 	__u32 fence;		/* Return value */
114 
115 	__u32 reserved[5];	/* future expansion */
116 };
117 
118 #define DRM_TEGRA_GEM_CREATE	0x00
119 #define DRM_TEGRA_GEM_MMAP	0x01
120 #define DRM_TEGRA_SYNCPT_READ	0x02
121 #define DRM_TEGRA_SYNCPT_INCR	0x03
122 #define DRM_TEGRA_SYNCPT_WAIT	0x04
123 #define DRM_TEGRA_OPEN_CHANNEL	0x05
124 #define DRM_TEGRA_CLOSE_CHANNEL	0x06
125 #define DRM_TEGRA_GET_SYNCPT	0x07
126 #define DRM_TEGRA_SUBMIT	0x08
127 
128 #define DRM_IOCTL_TEGRA_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_CREATE, struct drm_tegra_gem_create)
129 #define DRM_IOCTL_TEGRA_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GEM_MMAP, struct drm_tegra_gem_mmap)
130 #define DRM_IOCTL_TEGRA_SYNCPT_READ DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_SYNCPT_READ, struct drm_tegra_syncpt_read)
131 #define DRM_IOCTL_TEGRA_SYNCPT_INCR DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_SYNCPT_INCR, struct drm_tegra_syncpt_incr)
132 #define DRM_IOCTL_TEGRA_SYNCPT_WAIT DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_SYNCPT_WAIT, struct drm_tegra_syncpt_wait)
133 #define DRM_IOCTL_TEGRA_OPEN_CHANNEL DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_OPEN_CHANNEL, struct drm_tegra_open_channel)
134 #define DRM_IOCTL_TEGRA_CLOSE_CHANNEL DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_CLOSE_CHANNEL, struct drm_tegra_open_channel)
135 #define DRM_IOCTL_TEGRA_GET_SYNCPT DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_GET_SYNCPT, struct drm_tegra_get_syncpt)
136 #define DRM_IOCTL_TEGRA_SUBMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_SUBMIT, struct drm_tegra_submit)
137 
138 #endif
139