xref: /haiku/src/add-ons/kernel/drivers/audio/generic/util.h (revision dd2a1e350b303b855a50fd64e6cb55618be1ae6a)
1 /*
2  * BeOS Driver for Intel ICH AC'97 Link interface
3  *
4  * Copyright (c) 2002, Marcus Overhagen <marcus@overhagen.de>
5  *
6  * All rights reserved.
7  * Redistribution and use in source and binary forms, with or without modification,
8  * are permitted provided that the following conditions are met:
9  *
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
32 extern "C" {
33 #endif
34 
35 #include <KernelExport.h>
36 
37 area_id alloc_mem(phys_addr_t *phy, void **log, size_t size, const char *name,
38 	bool user);
39 area_id map_mem(void **log, phys_addr_t phy, size_t size, const char *name);
40 
41 cpu_status lock(void);
42 void unlock(cpu_status status);
43 
44 extern spinlock	slock;
45 
46 #ifdef __cplusplus
47 }
48 #endif
49 
50 #endif
51