/* $Id: capiutil.h,v 1.5.6.2 2001/09/23 22:24:33 kai Exp $
*
* CAPI 2 . 0 defines & types
*
* From CAPI 2 . 0 Development Kit AVM 1995 ( msg . c )
* Rewritten for Linux 1996 by Carsten Paeth < calle @ calle . de >
*
* This software may be used and distributed according to the terms
* of the GNU General Public License , incorporated herein by reference .
*
*/
#ifndef __CAPIUTIL_H__
#define __CAPIUTIL_H__
#include <asm /types.h>
#define CAPIMSG_BASELEN 8
#define CAPIMSG_U8(m, off) (m[off])
#define CAPIMSG_U16(m, off) (m[off]|(m[(off)+1 ]<<8 ))
#define CAPIMSG_U32(m, off) (m[off]|(m[(off)+1 ]<<8 )|(m[(off)+2 ]<<16 )|(m[(off)+3 ]<<24 ))
#define CAPIMSG_LEN(m) CAPIMSG_U16(m,0 )
#define CAPIMSG_APPID(m) CAPIMSG_U16(m,2 )
#define CAPIMSG_COMMAND(m) CAPIMSG_U8(m,4 )
#define CAPIMSG_SUBCOMMAND(m) CAPIMSG_U8(m,5 )
#define CAPIMSG_CMD(m) (((m[4 ])<<8 )|(m[5 ]))
#define CAPIMSG_MSGID(m) CAPIMSG_U16(m,6 )
#define CAPIMSG_CONTROLLER(m) (m[8 ] & 0 x7f)
#define CAPIMSG_CONTROL(m) CAPIMSG_U32(m, 8 )
#define CAPIMSG_NCCI(m) CAPIMSG_CONTROL(m)
#define CAPIMSG_DATALEN(m) CAPIMSG_U16(m,16 ) /* DATA_B3_REQ */
static inline void capimsg_setu8(void *m, int off, __u8 val)
{
((__u8 *)m)[off] = val;
}
static inline void capimsg_setu16(void *m, int off, __u16 val)
{
((__u8 *)m)[off] = val & 0 xff;
((__u8 *)m)[off+1 ] = (val >> 8 ) & 0 xff;
}
static inline void capimsg_setu32(void *m, int off, __u32 val)
{
((__u8 *)m)[off] = val & 0 xff;
((__u8 *)m)[off+1 ] = (val >> 8 ) & 0 xff;
((__u8 *)m)[off+2 ] = (val >> 16 ) & 0 xff;
((__u8 *)m)[off+3 ] = (val >> 24 ) & 0 xff;
}
#define CAPIMSG_SETLEN(m, len) capimsg_setu16(m, 0 , len)
#define CAPIMSG_SETAPPID(m, applid) capimsg_setu16(m, 2 , applid)
#define CAPIMSG_SETCOMMAND(m,cmd) capimsg_setu8(m, 4 , cmd)
#define CAPIMSG_SETSUBCOMMAND(m, cmd) capimsg_setu8(m, 5 , cmd)
#define CAPIMSG_SETMSGID(m, msgid) capimsg_setu16(m, 6 , msgid)
#define CAPIMSG_SETCONTROL(m, contr) capimsg_setu32(m, 8 , contr)
#define CAPIMSG_SETDATALEN(m, len) capimsg_setu16(m, 16 , len)
#endif /* __CAPIUTIL_H__ */
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