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1a9fc855 MCC |
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 | inline u8 getBit(u32 sample, u8 index) | |
29 | { | |
30 | return (u8) ((sample >> index) & 1); | |
31 | } | |
32 | ||
33 | inline u32 clearBitAtPos(u32 value, u8 bit) | |
34 | { | |
35 | return value & ~(1 << bit); | |
36 | } | |
37 | ||
38 | inline u32 setBitAtPos(u32 sample, u8 bit) | |
39 | { | |
40 | sample |= (1 << bit); | |
41 | return sample; | |
42 | ||
43 | } | |
44 | ||
02b20b0b | 45 | #endif |