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