1219019Sgabor/*
2219019Sgabor * BeOS Driver for Intel ICH AC'97 Link interface
3219019Sgabor *
4219019Sgabor * Copyright (c) 2002, Marcus Overhagen <marcus@overhagen.de>
5219019Sgabor *
6219019Sgabor * All rights reserved.
7260497Sdim * Redistribution and use in source and binary forms, with or without modification,
8219019Sgabor * are permitted provided that the following conditions are met:
9219019Sgabor *
10 * - Redistributions of source code must retain the above copyright notice,
11 *   this list of conditions and the following disclaimer.
12 * - Redistributions in binary form must reproduce the above copyright notice,
13 *   this list of conditions and the following disclaimer in the documentation
14 *   and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
24 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
25 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 */
28#ifndef _UTIL_H_
29#define _UTIL_H_
30
31#ifdef __cplusplus
32extern "C" {
33#endif
34
35#include <KernelExport.h>
36
37area_id alloc_mem(phys_addr_t *phy, void **log, size_t size, const char *name,
38	bool user);
39area_id map_mem(void **log, phys_addr_t phy, size_t size, const char *name);
40
41cpu_status lock(void);
42void unlock(cpu_status status);
43
44extern spinlock	slock;
45
46#ifdef __cplusplus
47}
48#endif
49
50#endif
51