local.h

bluetooth 驱动

/*
 * local.h -- Kernel specific typedefs for use outside the linux kernel
 *
 * Copyright (C) 2000, 2001  Axis Communications AB
 *
 * Author: Mats Friden <[e-mail]>
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Exceptionally, Axis Communications AB grants discretionary and
 * conditional permissions for additional use of the text contained
 * in the company's release of the AXIS OpenBT Stack under the
 * provisions set forth hereunder.
 *
 * Provided that, if you use the AXIS OpenBT Stack with other files,
 * that do not implement functionality as specified in the Bluetooth
 * System specification, to produce an executable, this does not by
 * itself cause the resulting executable to be covered by the GNU
 * General Public License. Your use of that executable is in no way
 * restricted on account of using the AXIS OpenBT Stack code with it.
 *
 * This exception does not however invalidate any other reasons why
 * the executable file might be covered by the provisions of the GNU
 * General Public License.
 *
 * $Id: local.h,v 1.5 2001/07/31 16:50:41 pkj Exp $
 *
 */

#ifndef LOCAL_H
#define LOCAL_H

/****************** INCLUDE FILES SECTION ***********************************/

/****************** CONSTANT AND MACRO SECTION ******************************/

#include <asm/byteorder.h>
/* In kernel mode either __LITTLE_ENDIAN or __BIG_ENDIAN is defined, but in user usermode
 * both are defined. In usermode __BYTE_ORDER contains the correct endianess. So let's undefine
 * one of them.
 * __LITTLE_ENDIAN_BITTFIELD and __BIG_ENDIAN_BITFIELD do not cause such problems.
 */
#ifndef __KERNEL__
# if (__BYTE_ORDER == __LITTLE_ENDIAN)
#  undef __BIG_ENDIAN
# endif
# if (__BYTE_ORDER == __BIG_ENDIAN)
#  undef __LITTLE_ENDIAN
# endif
#endif
 
#ifndef __KERNEL__
 
#  ifdef __LITTLE_ENDIAN
#    define cpu_to_le16(x) (x)
#    define cpu_to_le32(x) (x)
#    define cpu_to_be16(x) htons((x))
#    define cpu_to_be32(x) htonl((x))
#  else
#    define cpu_to_be16(x) (x)
#    define cpu_to_be32(x) (x)
     extern inline __u16 cpu_to_le16(__u16 x) { return (x<<8) | (x>>8);}
     extern inline __u32 cpu_to_le32(__u32 x) { return((x>>24) |
             ((x>>8)&0xff00) | ((x<<8)&0xff0000) | (x<<24));}
#  endif
 
#  define le16_to_cpu(x)  cpu_to_le16(x)
#  define le32_to_cpu(x)  cpu_to_le32(x)
#  define be16_to_cpu(x)  cpu_to_be16(x)
#  define be32_to_cpu(x)  cpu_to_be32(x)
 
#endif

/****************** TYPE DEFINITION SECTION *********************************/

typedef short           s16; 
typedef int             s32;  
typedef unsigned short  u16; 
typedef unsigned int    u32;
typedef unsigned char   u8; 

/****************** EXPORTED FUNCTION DECLARATION SECTION *******************/

#endif
/****************** END OF FILE local.h *************************************/