1 /* $Id: capiutil.h,v 1.5.6.2 2001/09/23 22:24:33 kai Exp $ 2 * 3 * CAPI 2.0 defines & types 4 * 5 * From CAPI 2.0 Development Kit AVM 1995 (msg.c) 6 * Rewritten for Linux 1996 by Carsten Paeth <calle@calle.de> 7 * 8 * This software may be used and distributed according to the terms 9 * of the GNU General Public License, incorporated herein by reference. 10 * 11 */ 12 13 #ifndef __CAPIUTIL_H__ 14 #define __CAPIUTIL_H__ 15 16 #include <asm/types.h> 17 18 #define CAPIMSG_BASELEN 8 19 #define CAPIMSG_U8(m, off) (m[off]) 20 #define CAPIMSG_U16(m, off) (m[off]|(m[(off)+1]<<8)) 21 #define CAPIMSG_U32(m, off) (m[off]|(m[(off)+1]<<8)|(m[(off)+2]<<16)|(m[(off)+3]<<24)) 22 #define CAPIMSG_LEN(m) CAPIMSG_U16(m,0) 23 #define CAPIMSG_APPID(m) CAPIMSG_U16(m,2) 24 #define CAPIMSG_COMMAND(m) CAPIMSG_U8(m,4) 25 #define CAPIMSG_SUBCOMMAND(m) CAPIMSG_U8(m,5) 26 #define CAPIMSG_CMD(m) (((m[4])<<8)|(m[5])) 27 #define CAPIMSG_MSGID(m) CAPIMSG_U16(m,6) 28 #define CAPIMSG_CONTROLLER(m) (m[8] & 0x7f) 29 #define CAPIMSG_CONTROL(m) CAPIMSG_U32(m, 8) 30 #define CAPIMSG_NCCI(m) CAPIMSG_CONTROL(m) 31 #define CAPIMSG_DATALEN(m) CAPIMSG_U16(m,16) /* DATA_B3_REQ */ 32 capimsg_setu8(void * m,int off,__u8 val)33 static inline void capimsg_setu8(void *m, int off, __u8 val) 34 { 35 ((__u8 *)m)[off] = val; 36 } 37 capimsg_setu16(void * m,int off,__u16 val)38 static inline void capimsg_setu16(void *m, int off, __u16 val) 39 { 40 ((__u8 *)m)[off] = val & 0xff; 41 ((__u8 *)m)[off+1] = (val >> 8) & 0xff; 42 } 43 capimsg_setu32(void * m,int off,__u32 val)44 static inline void capimsg_setu32(void *m, int off, __u32 val) 45 { 46 ((__u8 *)m)[off] = val & 0xff; 47 ((__u8 *)m)[off+1] = (val >> 8) & 0xff; 48 ((__u8 *)m)[off+2] = (val >> 16) & 0xff; 49 ((__u8 *)m)[off+3] = (val >> 24) & 0xff; 50 } 51 52 #define CAPIMSG_SETLEN(m, len) capimsg_setu16(m, 0, len) 53 #define CAPIMSG_SETAPPID(m, applid) capimsg_setu16(m, 2, applid) 54 #define CAPIMSG_SETCOMMAND(m,cmd) capimsg_setu8(m, 4, cmd) 55 #define CAPIMSG_SETSUBCOMMAND(m, cmd) capimsg_setu8(m, 5, cmd) 56 #define CAPIMSG_SETMSGID(m, msgid) capimsg_setu16(m, 6, msgid) 57 #define CAPIMSG_SETCONTROL(m, contr) capimsg_setu32(m, 8, contr) 58 #define CAPIMSG_SETDATALEN(m, len) capimsg_setu16(m, 16, len) 59 60 #endif /* __CAPIUTIL_H__ */ 61