1*4882a593Smuzhiyun /* $Id: capiutil.h,v 1.5.6.2 2001/09/23 22:24:33 kai Exp $
2*4882a593Smuzhiyun *
3*4882a593Smuzhiyun * CAPI 2.0 defines & types
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * From CAPI 2.0 Development Kit AVM 1995 (msg.c)
6*4882a593Smuzhiyun * Rewritten for Linux 1996 by Carsten Paeth <calle@calle.de>
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * This software may be used and distributed according to the terms
9*4882a593Smuzhiyun * of the GNU General Public License, incorporated herein by reference.
10*4882a593Smuzhiyun *
11*4882a593Smuzhiyun */
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #ifndef __CAPIUTIL_H__
14*4882a593Smuzhiyun #define __CAPIUTIL_H__
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #include <asm/types.h>
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #define CAPIMSG_BASELEN 8
19*4882a593Smuzhiyun #define CAPIMSG_U8(m, off) (m[off])
20*4882a593Smuzhiyun #define CAPIMSG_U16(m, off) (m[off]|(m[(off)+1]<<8))
21*4882a593Smuzhiyun #define CAPIMSG_U32(m, off) (m[off]|(m[(off)+1]<<8)|(m[(off)+2]<<16)|(m[(off)+3]<<24))
22*4882a593Smuzhiyun #define CAPIMSG_LEN(m) CAPIMSG_U16(m,0)
23*4882a593Smuzhiyun #define CAPIMSG_APPID(m) CAPIMSG_U16(m,2)
24*4882a593Smuzhiyun #define CAPIMSG_COMMAND(m) CAPIMSG_U8(m,4)
25*4882a593Smuzhiyun #define CAPIMSG_SUBCOMMAND(m) CAPIMSG_U8(m,5)
26*4882a593Smuzhiyun #define CAPIMSG_CMD(m) (((m[4])<<8)|(m[5]))
27*4882a593Smuzhiyun #define CAPIMSG_MSGID(m) CAPIMSG_U16(m,6)
28*4882a593Smuzhiyun #define CAPIMSG_CONTROLLER(m) (m[8] & 0x7f)
29*4882a593Smuzhiyun #define CAPIMSG_CONTROL(m) CAPIMSG_U32(m, 8)
30*4882a593Smuzhiyun #define CAPIMSG_NCCI(m) CAPIMSG_CONTROL(m)
31*4882a593Smuzhiyun #define CAPIMSG_DATALEN(m) CAPIMSG_U16(m,16) /* DATA_B3_REQ */
32*4882a593Smuzhiyun
capimsg_setu8(void * m,int off,__u8 val)33*4882a593Smuzhiyun static inline void capimsg_setu8(void *m, int off, __u8 val)
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun ((__u8 *)m)[off] = val;
36*4882a593Smuzhiyun }
37*4882a593Smuzhiyun
capimsg_setu16(void * m,int off,__u16 val)38*4882a593Smuzhiyun static inline void capimsg_setu16(void *m, int off, __u16 val)
39*4882a593Smuzhiyun {
40*4882a593Smuzhiyun ((__u8 *)m)[off] = val & 0xff;
41*4882a593Smuzhiyun ((__u8 *)m)[off+1] = (val >> 8) & 0xff;
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun
capimsg_setu32(void * m,int off,__u32 val)44*4882a593Smuzhiyun static inline void capimsg_setu32(void *m, int off, __u32 val)
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun ((__u8 *)m)[off] = val & 0xff;
47*4882a593Smuzhiyun ((__u8 *)m)[off+1] = (val >> 8) & 0xff;
48*4882a593Smuzhiyun ((__u8 *)m)[off+2] = (val >> 16) & 0xff;
49*4882a593Smuzhiyun ((__u8 *)m)[off+3] = (val >> 24) & 0xff;
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun #define CAPIMSG_SETLEN(m, len) capimsg_setu16(m, 0, len)
53*4882a593Smuzhiyun #define CAPIMSG_SETAPPID(m, applid) capimsg_setu16(m, 2, applid)
54*4882a593Smuzhiyun #define CAPIMSG_SETCOMMAND(m,cmd) capimsg_setu8(m, 4, cmd)
55*4882a593Smuzhiyun #define CAPIMSG_SETSUBCOMMAND(m, cmd) capimsg_setu8(m, 5, cmd)
56*4882a593Smuzhiyun #define CAPIMSG_SETMSGID(m, msgid) capimsg_setu16(m, 6, msgid)
57*4882a593Smuzhiyun #define CAPIMSG_SETCONTROL(m, contr) capimsg_setu32(m, 8, contr)
58*4882a593Smuzhiyun #define CAPIMSG_SETDATALEN(m, len) capimsg_setu16(m, 16, len)
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun #endif /* __CAPIUTIL_H__ */
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