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Diffstat (limited to 'omap/omap_drm.h')
-rw-r--r--omap/omap_drm.h125
1 files changed, 125 insertions, 0 deletions
diff --git a/omap/omap_drm.h b/omap/omap_drm.h
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+++ b/omap/omap_drm.h
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1/*
2 * include/drm/omap_drm.h
3 *
4 * Copyright (C) 2011 Texas Instruments
5 * Author: Rob Clark <rob@ti.com>
6 *
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.
10 *
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.
15 *
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/>.
18 */
19
20#ifndef __OMAP_DRM_H__
21#define __OMAP_DRM_H__
22
23#include "drm.h"
24
25/* Please note that modifications to all structs defined here are
26 * subject to backwards-compatibility constraints.
27 */
28
29#define OMAP_PARAM_CHIPSET_ID 1 /* ie. 0x3430, 0x4430, etc */
30
31struct drm_omap_param {
32 uint64_t param; /* in */
33 uint64_t value; /* in (set_param), out (get_param) */
34};
35
36struct drm_omap_get_base {
37 char plugin_name[64]; /* in */
38 uint32_t ioctl_base; /* out */
39 uint32_t __pad;
40};
41
42#define OMAP_BO_SCANOUT 0x00000001 /* scanout capable (phys contiguous) */
43#define OMAP_BO_CACHE_MASK 0x00000006 /* cache type mask, see cache modes */
44#define OMAP_BO_TILED_MASK 0x00000f00 /* tiled mapping mask, see tiled modes */
45
46/* cache modes */
47#define OMAP_BO_CACHED 0x00000000 /* default */
48#define OMAP_BO_WC 0x00000002 /* write-combine */
49#define OMAP_BO_UNCACHED 0x00000004 /* strongly-ordered (uncached) */
50
51/* tiled modes */
52#define OMAP_BO_TILED_8 0x00000100
53#define OMAP_BO_TILED_16 0x00000200
54#define OMAP_BO_TILED_32 0x00000300
55#define OMAP_BO_TILED (OMAP_BO_TILED_8 | OMAP_BO_TILED_16 | OMAP_BO_TILED_32)
56
57union omap_gem_size {
58 uint32_t bytes; /* (for non-tiled formats) */
59 struct {
60 uint16_t width;
61 uint16_t height;
62 } tiled; /* (for tiled formats) */
63};
64
65struct drm_omap_gem_new {
66 union omap_gem_size size; /* in */
67 uint32_t flags; /* in */
68 uint32_t handle; /* out */
69 uint32_t __pad;
70};
71
72/* mask of operations: */
73enum omap_gem_op {
74 OMAP_GEM_READ = 0x01,
75 OMAP_GEM_WRITE = 0x02,
76};
77
78struct drm_omap_gem_cpu_prep {
79 uint32_t handle; /* buffer handle (in) */
80 uint32_t op; /* mask of omap_gem_op (in) */
81};
82
83struct drm_omap_gem_cpu_fini {
84 uint32_t handle; /* buffer handle (in) */
85 uint32_t op; /* mask of omap_gem_op (in) */
86 /* TODO maybe here we pass down info about what regions are touched
87 * by sw so we can be clever about cache ops? For now a placeholder,
88 * set to zero and we just do full buffer flush..
89 */
90 uint32_t nregions;
91 uint32_t __pad;
92};
93
94struct drm_omap_gem_info {
95 uint32_t handle; /* buffer handle (in) */
96 uint32_t pad;
97 uint64_t offset; /* mmap offset (out) */
98 /* note: in case of tiled buffers, the user virtual size can be
99 * different from the physical size (ie. how many pages are needed
100 * to back the object) which is returned in DRM_IOCTL_GEM_OPEN..
101 * This size here is the one that should be used if you want to
102 * mmap() the buffer:
103 */
104 uint32_t size; /* virtual size for mmap'ing (out) */
105 uint32_t __pad;
106};
107
108#define DRM_OMAP_GET_PARAM 0x00
109#define DRM_OMAP_SET_PARAM 0x01
110#define DRM_OMAP_GET_BASE 0x02
111#define DRM_OMAP_GEM_NEW 0x03
112#define DRM_OMAP_GEM_CPU_PREP 0x04
113#define DRM_OMAP_GEM_CPU_FINI 0x05
114#define DRM_OMAP_GEM_INFO 0x06
115#define DRM_OMAP_NUM_IOCTLS 0x07
116
117#define DRM_IOCTL_OMAP_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GET_PARAM, struct drm_omap_param)
118#define DRM_IOCTL_OMAP_SET_PARAM DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_SET_PARAM, struct drm_omap_param)
119#define DRM_IOCTL_OMAP_GET_BASE DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GET_BASE, struct drm_omap_get_base)
120#define DRM_IOCTL_OMAP_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_NEW, struct drm_omap_gem_new)
121#define DRM_IOCTL_OMAP_GEM_CPU_PREP DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_PREP, struct drm_omap_gem_cpu_prep)
122#define DRM_IOCTL_OMAP_GEM_CPU_FINI DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_FINI, struct drm_omap_gem_cpu_fini)
123#define DRM_IOCTL_OMAP_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_INFO, struct drm_omap_gem_info)
124
125#endif /* __OMAP_DRM_H__ */