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