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Diffstat (limited to 'drivers/staging/vt6655/tbit.h')
-rw-r--r-- | drivers/staging/vt6655/tbit.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/staging/vt6655/tbit.h b/drivers/staging/vt6655/tbit.h new file mode 100644 index 00000000000..7c3a82e9b60 --- /dev/null +++ b/drivers/staging/vt6655/tbit.h @@ -0,0 +1,78 @@ +/* + * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. + * All rights reserved. + * + * 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * + * File: tbit.h + * + * Purpose: Bit routines + * + * Author: Tevin Chen + * + * Date: May 21, 1996 + * + */ + + +#ifndef __TBIT_H__ +#define __TBIT_H__ + +#if !defined(__TTYPE_H__) +#include "ttype.h" +#endif + + + +/*--------------------- Export Definitions -------------------------*/ + +/*--------------------- Export Types ------------------------------*/ + +/*--------------------- Export Macros ------------------------------*/ + +// test single bit on +#define BITbIsBitOn(tData, tTestBit) \ + (((tData) & (tTestBit)) != 0) + +// test single bit off +#define BITbIsBitOff(tData, tTestBit) \ + (((tData) & (tTestBit)) == 0) + + +#define BITbIsAllBitsOn(tData, tTestBit) \ + (((tData) & (tTestBit)) == (tTestBit)) + +#define BITbIsAllBitsOff(tData, tTestBit) \ + (((tData) & (tTestBit)) == 0) + +#define BITbIsAnyBitsOn(tData, tTestBit) \ + (((tData) & (tTestBit)) != 0) + +#define BITbIsAnyBitsOff(tData, tTestBit) \ + (((tData) & (tTestBit)) != (tTestBit)) + +/*--------------------- Export Classes ----------------------------*/ + +/*--------------------- Export Variables --------------------------*/ + +/*--------------------- Export Functions --------------------------*/ + + + +#endif // __TBIT_H__ + + + |