42 lines
1 KiB
C
42 lines
1 KiB
C
|
/*
|
||
|
* Driver for the Conexant CX25821 PCIe bridge
|
||
|
*
|
||
|
* Copyright (C) 2009 Conexant Systems Inc.
|
||
|
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
|
||
|
*
|
||
|
* This program is free software; you can redistribute it and/or modify
|
||
|
* it under the terms of the GNU General Public License as published by
|
||
|
* the Free Software Foundation; either version 2 of the License, or
|
||
|
* (at your option) any later version.
|
||
|
*
|
||
|
* This program is distributed in the hope that it will be useful,
|
||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
*
|
||
|
* GNU General Public License for more details.
|
||
|
*/
|
||
|
|
||
|
#ifndef _BITFUNCS_H
|
||
|
#define _BITFUNCS_H
|
||
|
|
||
|
#define SetBit(Bit) (1 << Bit)
|
||
|
|
||
|
static inline u8 getBit(u32 sample, u8 index)
|
||
|
{
|
||
|
return (u8) ((sample >> index) & 1);
|
||
|
}
|
||
|
|
||
|
static inline u32 clearBitAtPos(u32 value, u8 bit)
|
||
|
{
|
||
|
return value & ~(1 << bit);
|
||
|
}
|
||
|
|
||
|
static inline u32 setBitAtPos(u32 sample, u8 bit)
|
||
|
{
|
||
|
sample |= (1 << bit);
|
||
|
return sample;
|
||
|
|
||
|
}
|
||
|
|
||
|
#endif
|