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-rw-r--r--include/linux/tegra_mediaserver.h112
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diff --git a/include/linux/tegra_mediaserver.h b/include/linux/tegra_mediaserver.h
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1/* include/linux/tegra_mediaserver.h
2 *
3 * Media Server driver for NVIDIA Tegra SoCs
4 *
5 * Copyright (c) 2011, NVIDIA Corporation.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
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
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 */
21
22
23#ifndef _TEGRA_MEDIASERVER_H
24#define _TEGRA_MEDIASERVER_H
25
26#include <linux/ioctl.h>
27
28#define TEGRA_MEDIASERVER_MAGIC 'm'
29#define TEGRA_MEDIASERVER_IOCTL_ALLOC \
30 _IOWR(TEGRA_MEDIASERVER_MAGIC, 0x40, \
31 union tegra_mediaserver_alloc_info)
32
33enum tegra_mediaserver_resource_type {
34 TEGRA_MEDIASERVER_RESOURCE_BLOCK = 0,
35 TEGRA_MEDIASERVER_RESOURCE_IRAM,
36};
37
38enum tegra_mediaserver_block_type {
39 TEGRA_MEDIASERVER_BLOCK_AUDDEC = 0,
40 TEGRA_MEDIASERVER_BLOCK_VIDDEC,
41};
42
43enum tegra_mediaserver_iram_type {
44 TEGRA_MEDIASERVER_IRAM_SCRATCH = 0,
45 TEGRA_MEDIASERVER_IRAM_SHARED,
46};
47
48
49struct tegra_mediaserver_block_info {
50 int nvmm_block_handle;
51 int avp_block_handle;
52 int avp_block_library_handle;
53 int service_handle;
54 int service_library_handle;
55};
56
57struct tegra_mediaserver_iram_info {
58 unsigned long rm_handle;
59 int physical_address;
60};
61
62union tegra_mediaserver_alloc_info {
63 struct {
64 int tegra_mediaserver_resource_type;
65
66 union {
67 struct tegra_mediaserver_block_info block;
68
69 struct {
70 int tegra_mediaserver_iram_type;
71 int alignment;
72 size_t size;
73 } iram;
74 } u;
75 } in;
76
77 struct {
78 union {
79 struct {
80 int count;
81 } block;
82
83 struct tegra_mediaserver_iram_info iram;
84 } u;
85 } out;
86};
87
88
89#define TEGRA_MEDIASERVER_IOCTL_FREE \
90 _IOR(TEGRA_MEDIASERVER_MAGIC, 0x41, union tegra_mediaserver_free_info)
91
92union tegra_mediaserver_free_info {
93 struct {
94 int tegra_mediaserver_resource_type;
95
96 union {
97 int nvmm_block_handle;
98 int iram_rm_handle;
99 } u;
100 } in;
101};
102
103
104#define TEGRA_MEDIASERVER_IOCTL_UPDATE_BLOCK_INFO \
105 _IOR(TEGRA_MEDIASERVER_MAGIC, 0x45, \
106 union tegra_mediaserver_update_block_info)
107
108union tegra_mediaserver_update_block_info {
109 struct tegra_mediaserver_block_info in;
110};
111#endif
112