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 
19 #ifndef _BITFUNCS_H
20 #define _BITFUNCS_H
21 
22 #define SetBit(Bit)  (1 << Bit)
23 
24 static inline u8 getBit(u32 sample, u8 index)
25 {
26 	return (u8) ((sample >> index) & 1);
27 }
28 
29 static inline u32 clearBitAtPos(u32 value, u8 bit)
30 {
31 	return value & ~(1 << bit);
32 }
33 
34 static inline u32 setBitAtPos(u32 sample, u8 bit)
35 {
36 	sample |= (1 << bit);
37 	return sample;
38 
39 }
40 
41 #endif
42