1 /*
2  *  Driver for the Conexant CX25821 PCIe bridge
3  *
4  *  Copyright (C) 2009 Conexant Systems Inc.
5  *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
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,
13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  *
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program; if not, write to the Free Software
20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21  */
22 
23 #ifndef _BITFUNCS_H
24 #define _BITFUNCS_H
25 
26 #define SetBit(Bit)  (1 << Bit)
27 
28 static inline u8 getBit(u32 sample, u8 index)
29 {
30 	return (u8) ((sample >> index) & 1);
31 }
32 
33 static inline u32 clearBitAtPos(u32 value, u8 bit)
34 {
35 	return value & ~(1 << bit);
36 }
37 
38 static inline u32 setBitAtPos(u32 sample, u8 bit)
39 {
40 	sample |= (1 << bit);
41 	return sample;
42 
43 }
44 
45 #endif
46