1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | /* |
3 | * include/uapi/drm/omap_drm.h |
4 | * |
5 | * Copyright (C) 2011 Texas Instruments |
6 | * Author: Rob Clark <rob@ti.com> |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify it |
9 | * under the terms of the GNU General Public License version 2 as published by |
10 | * the Free Software Foundation. |
11 | * |
12 | * This program is distributed in the hope that it will be useful, but WITHOUT |
13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
15 | * more details. |
16 | * |
17 | * You should have received a copy of the GNU General Public License along with |
18 | * this program. If not, see <http://www.gnu.org/licenses/>. |
19 | */ |
20 | |
21 | #ifndef __OMAP_DRM_H__ |
22 | #define __OMAP_DRM_H__ |
23 | |
24 | #include "drm.h" |
25 | |
26 | #if defined(__cplusplus) |
27 | extern "C" { |
28 | #endif |
29 | |
30 | /* Please note that modifications to all structs defined here are |
31 | * subject to backwards-compatibility constraints. |
32 | */ |
33 | |
34 | #define OMAP_PARAM_CHIPSET_ID 1 /* ie. 0x3430, 0x4430, etc */ |
35 | |
36 | struct drm_omap_param { |
37 | __u64 param; /* in */ |
38 | __u64 value; /* in (set_param), out (get_param) */ |
39 | }; |
40 | |
41 | /* Scanout buffer, consumable by DSS */ |
42 | #define OMAP_BO_SCANOUT 0x00000001 |
43 | |
44 | /* Buffer CPU caching mode: cached, write-combining or uncached. */ |
45 | #define OMAP_BO_CACHED 0x00000000 |
46 | #define OMAP_BO_WC 0x00000002 |
47 | #define OMAP_BO_UNCACHED 0x00000004 |
48 | #define OMAP_BO_CACHE_MASK 0x00000006 |
49 | |
50 | /* Use TILER for the buffer. The TILER container unit can be 8, 16 or 32 bits. */ |
51 | #define OMAP_BO_TILED_8 0x00000100 |
52 | #define OMAP_BO_TILED_16 0x00000200 |
53 | #define OMAP_BO_TILED_32 0x00000300 |
54 | #define OMAP_BO_TILED_MASK 0x00000f00 |
55 | |
56 | union omap_gem_size { |
57 | __u32 bytes; /* (for non-tiled formats) */ |
58 | struct { |
59 | __u16 width; |
60 | __u16 height; |
61 | } tiled; /* (for tiled formats) */ |
62 | }; |
63 | |
64 | struct drm_omap_gem_new { |
65 | union omap_gem_size size; /* in */ |
66 | __u32 flags; /* in */ |
67 | __u32 handle; /* out */ |
68 | __u32 __pad; |
69 | }; |
70 | |
71 | /* mask of operations: */ |
72 | enum omap_gem_op { |
73 | OMAP_GEM_READ = 0x01, |
74 | OMAP_GEM_WRITE = 0x02, |
75 | }; |
76 | |
77 | struct drm_omap_gem_cpu_prep { |
78 | __u32 handle; /* buffer handle (in) */ |
79 | __u32 op; /* mask of omap_gem_op (in) */ |
80 | }; |
81 | |
82 | struct drm_omap_gem_cpu_fini { |
83 | __u32 handle; /* buffer handle (in) */ |
84 | __u32 op; /* mask of omap_gem_op (in) */ |
85 | /* TODO maybe here we pass down info about what regions are touched |
86 | * by sw so we can be clever about cache ops? For now a placeholder, |
87 | * set to zero and we just do full buffer flush.. |
88 | */ |
89 | __u32 nregions; |
90 | __u32 __pad; |
91 | }; |
92 | |
93 | struct drm_omap_gem_info { |
94 | __u32 handle; /* buffer handle (in) */ |
95 | __u32 pad; |
96 | __u64 offset; /* mmap offset (out) */ |
97 | /* note: in case of tiled buffers, the user virtual size can be |
98 | * different from the physical size (ie. how many pages are needed |
99 | * to back the object) which is returned in DRM_IOCTL_GEM_OPEN.. |
100 | * This size here is the one that should be used if you want to |
101 | * mmap() the buffer: |
102 | */ |
103 | __u32 size; /* virtual size for mmap'ing (out) */ |
104 | __u32 __pad; |
105 | }; |
106 | |
107 | #define DRM_OMAP_GET_PARAM 0x00 |
108 | #define DRM_OMAP_SET_PARAM 0x01 |
109 | #define DRM_OMAP_GEM_NEW 0x03 |
110 | #define DRM_OMAP_GEM_CPU_PREP 0x04 /* Deprecated, to be removed */ |
111 | #define DRM_OMAP_GEM_CPU_FINI 0x05 /* Deprecated, to be removed */ |
112 | #define DRM_OMAP_GEM_INFO 0x06 |
113 | #define DRM_OMAP_NUM_IOCTLS 0x07 |
114 | |
115 | #define DRM_IOCTL_OMAP_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GET_PARAM, struct drm_omap_param) |
116 | #define DRM_IOCTL_OMAP_SET_PARAM DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_SET_PARAM, struct drm_omap_param) |
117 | #define DRM_IOCTL_OMAP_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_NEW, struct drm_omap_gem_new) |
118 | #define DRM_IOCTL_OMAP_GEM_CPU_PREP DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_PREP, struct drm_omap_gem_cpu_prep) |
119 | #define DRM_IOCTL_OMAP_GEM_CPU_FINI DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_FINI, struct drm_omap_gem_cpu_fini) |
120 | #define DRM_IOCTL_OMAP_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_INFO, struct drm_omap_gem_info) |
121 | |
122 | #if defined(__cplusplus) |
123 | } |
124 | #endif |
125 | |
126 | #endif /* __OMAP_DRM_H__ */ |
127 | |