| Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 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 | |
| Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 45 | #endif |