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
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__
25 /* Please note that modifications to all structs defined here are
26 * subject to backwards-compatibility constraints.
29 #define OMAP_PARAM_CHIPSET_ID 1 /* ie. 0x3430, 0x4430, etc */
31 struct drm_omap_param {
32 uint64_t param; /* in */
33 uint64_t value; /* in (set_param), out (get_param) */
36 #define OMAP_BO_SCANOUT 0x00000001 /* scanout capable (phys contiguous) */
37 #define OMAP_BO_CACHE_MASK 0x00000006 /* cache type mask, see cache modes */
38 #define OMAP_BO_TILED_MASK 0x00000f00 /* tiled mapping mask, see tiled modes */
41 #define OMAP_BO_CACHED 0x00000000 /* default */
42 #define OMAP_BO_WC 0x00000002 /* write-combine */
43 #define OMAP_BO_UNCACHED 0x00000004 /* strongly-ordered (uncached) */
46 #define OMAP_BO_TILED_8 0x00000100
47 #define OMAP_BO_TILED_16 0x00000200
48 #define OMAP_BO_TILED_32 0x00000300
49 #define OMAP_BO_TILED (OMAP_BO_TILED_8 | OMAP_BO_TILED_16 | OMAP_BO_TILED_32)
52 uint32_t bytes; /* (for non-tiled formats) */
56 } tiled; /* (for tiled formats) */
59 struct drm_omap_gem_new {
60 union omap_gem_size size; /* in */
61 uint32_t flags; /* in */
62 uint32_t handle; /* out */
66 /* mask of operations: */
69 OMAP_GEM_WRITE = 0x02,
72 struct drm_omap_gem_cpu_prep {
73 uint32_t handle; /* buffer handle (in) */
74 uint32_t op; /* mask of omap_gem_op (in) */
77 struct drm_omap_gem_cpu_fini {
78 uint32_t handle; /* buffer handle (in) */
79 uint32_t op; /* mask of omap_gem_op (in) */
80 /* TODO maybe here we pass down info about what regions are touched
81 * by sw so we can be clever about cache ops? For now a placeholder,
82 * set to zero and we just do full buffer flush..
88 struct drm_omap_gem_info {
89 uint32_t handle; /* buffer handle (in) */
91 uint64_t offset; /* mmap offset (out) */
92 /* note: in case of tiled buffers, the user virtual size can be
93 * different from the physical size (ie. how many pages are needed
94 * to back the object) which is returned in DRM_IOCTL_GEM_OPEN..
95 * This size here is the one that should be used if you want to
98 uint32_t size; /* virtual size for mmap'ing (out) */
102 #define DRM_OMAP_GET_PARAM 0x00
103 #define DRM_OMAP_SET_PARAM 0x01
104 /* placeholder for plugin-api
105 #define DRM_OMAP_GET_BASE 0x02
107 #define DRM_OMAP_GEM_NEW 0x03
108 #define DRM_OMAP_GEM_CPU_PREP 0x04
109 #define DRM_OMAP_GEM_CPU_FINI 0x05
110 #define DRM_OMAP_GEM_INFO 0x06
111 #define DRM_OMAP_NUM_IOCTLS 0x07
113 #define DRM_IOCTL_OMAP_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GET_PARAM, struct drm_omap_param)
114 #define DRM_IOCTL_OMAP_SET_PARAM DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_SET_PARAM, struct drm_omap_param)
115 /* placeholder for plugin-api
116 #define DRM_IOCTL_OMAP_GET_BASE DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GET_BASE, struct drm_omap_get_base)
118 #define DRM_IOCTL_OMAP_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_NEW, struct drm_omap_gem_new)
119 #define DRM_IOCTL_OMAP_GEM_CPU_PREP DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_PREP, struct drm_omap_gem_cpu_prep)
120 #define DRM_IOCTL_OMAP_GEM_CPU_FINI DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_FINI, struct drm_omap_gem_cpu_fini)
121 #define DRM_IOCTL_OMAP_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_INFO, struct drm_omap_gem_info)
123 #endif /* __OMAP_DRM_H__ */