Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1/*
2 * Copyright (C) 2010 Intel Corporation. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of version 2 of the GNU General
6 * Public License as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be
9 * useful, but WITHOUT ANY WARRANTY; without even the implied
10 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
11 * PURPOSE. See the GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public
13 * License along with this program; if not, write to the Free
14 * Software Foundation, Inc., 59 Temple Place - Suite 330,
15 * Boston, MA 02111-1307, USA.
16 * The full GNU General Public License is included in this
17 * distribution in the file called COPYING.
18 */
19
20
21#ifndef _RAR_REGISTER_H
22#define _RAR_REGISTER_H
23
24#include <linux/types.h>
25
26/* following are used both in drivers as well as user space apps */
27
28#define RAR_TYPE_VIDEO 0
29#define RAR_TYPE_AUDIO 1
30#define RAR_TYPE_IMAGE 2
31#define RAR_TYPE_DATA 3
32
33#ifdef __KERNEL__
34
35struct rar_device;
36
37#if defined(CONFIG_RAR_REGISTER)
38int register_rar(int num,
39 int (*callback)(unsigned long data), unsigned long data);
40void unregister_rar(int num);
41int rar_get_address(int rar_index, dma_addr_t *start, dma_addr_t *end);
42int rar_lock(int rar_index);
43#else
44extern void unregister_rar(int num) { }
45extern int rar_lock(int rar_index) { return -EIO; }
46
47extern inline int register_rar(int num,
48 int (*callback)(unsigned long data), unsigned long data)
49{
50 return -ENODEV;
51}
52
53extern int rar_get_address(int rar_index, dma_addr_t *start, dma_addr_t *end)
54{
55 return -ENODEV;
56}
57#endif /* RAR_REGISTER */
58
59#endif /* __KERNEL__ */
60#endif /* _RAR_REGISTER_H */