xref: /haiku/src/add-ons/kernel/drivers/dvb/cx23882/util.h (revision 6849e7cc153e8f47c50cb031b3b7fec102facf2c)
1083a11a3SMarcus Overhagen /*
2083a11a3SMarcus Overhagen  * Copyright (c) 2004-2007 Marcus Overhagen <marcus@overhagen.de>
3083a11a3SMarcus Overhagen  *
4083a11a3SMarcus Overhagen  * Permission is hereby granted, free of charge, to any person
5083a11a3SMarcus Overhagen  * obtaining a copy of this software and associated documentation
6083a11a3SMarcus Overhagen  * files (the "Software"), to deal in the Software without restriction,
7083a11a3SMarcus Overhagen  * including without limitation the rights to use, copy, modify,
8083a11a3SMarcus Overhagen  * merge, publish, distribute, sublicense, and/or sell copies of
9083a11a3SMarcus Overhagen  * the Software, and to permit persons to whom the Software is
10083a11a3SMarcus Overhagen  * furnished to do so, subject to the following conditions:
11083a11a3SMarcus Overhagen  *
12083a11a3SMarcus Overhagen  * The above copyright notice and this permission notice shall be
13083a11a3SMarcus Overhagen  * included in all copies or substantial portions of the Software.
14083a11a3SMarcus Overhagen  *
15083a11a3SMarcus Overhagen  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16083a11a3SMarcus Overhagen  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
17083a11a3SMarcus Overhagen  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18083a11a3SMarcus Overhagen  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19083a11a3SMarcus Overhagen  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20083a11a3SMarcus Overhagen  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21083a11a3SMarcus Overhagen  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22083a11a3SMarcus Overhagen  * OTHER DEALINGS IN THE SOFTWARE.
23083a11a3SMarcus Overhagen  */
24083a11a3SMarcus Overhagen 
25083a11a3SMarcus Overhagen #ifndef __UTIL_H
26083a11a3SMarcus Overhagen #define __UTIL_H
27083a11a3SMarcus Overhagen 
28083a11a3SMarcus Overhagen #include <OS.h>
29083a11a3SMarcus Overhagen 
30*6849e7ccSJérôme Duval area_id	map_mem(void **virt, phys_addr_t phy, size_t size, uint32 protection,
31*6849e7ccSJérôme Duval 	const char *name);
32*6849e7ccSJérôme Duval area_id alloc_mem(void **virt, phys_addr_t *phy, size_t size, uint32 protection,
33*6849e7ccSJérôme Duval 	const char *name);
34083a11a3SMarcus Overhagen 
35083a11a3SMarcus Overhagen // generic macro for rounding, can only be used for power of 2 blocksize
36083a11a3SMarcus Overhagen #define ROUNDUP(size, blocksize) 	(((size) + (blocksize) - 1) & ~((blocksize) - 1))
37083a11a3SMarcus Overhagen 
38083a11a3SMarcus Overhagen #define atomic_read(a) atomic_or(a, 0)
39083a11a3SMarcus Overhagen 
40083a11a3SMarcus Overhagen #endif
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