1 /* $Id: isdn_divertif.h,v 1.4.6.1 2001/09/23 22:25:05 kai Exp $ 2 * 3 * Header for the diversion supplementary interface for i4l. 4 * 5 * Author Werner Cornelius (werner@titro.de) 6 * Copyright by Werner Cornelius (werner@titro.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 _LINUX_ISDN_DIVERTIF_H 14 #define _LINUX_ISDN_DIVERTIF_H 15 16 /***********************************************************/ 17 /* magic value is also used to control version information */ 18 /***********************************************************/ 19 #define DIVERT_IF_MAGIC 0x25873401 20 #define DIVERT_CMD_REG 0x00 /* register command */ 21 #define DIVERT_CMD_REL 0x01 /* release command */ 22 #define DIVERT_NO_ERR 0x00 /* return value no error */ 23 #define DIVERT_CMD_ERR 0x01 /* invalid cmd */ 24 #define DIVERT_VER_ERR 0x02 /* magic/version invalid */ 25 #define DIVERT_REG_ERR 0x03 /* module already registered */ 26 #define DIVERT_REL_ERR 0x04 /* module not registered */ 27 #define DIVERT_REG_NAME isdn_register_divert 28 29 #ifdef __KERNEL__ 30 #include <linux/isdnif.h> 31 #include <linux/types.h> 32 33 /***************************************************************/ 34 /* structure exchanging data between isdn hl and divert module */ 35 /***************************************************************/ 36 typedef struct 37 { ulong if_magic; /* magic info and version */ 38 int cmd; /* command */ 39 int (*stat_callback)(isdn_ctrl *); /* supplied by divert module when calling */ 40 int (*ll_cmd)(isdn_ctrl *); /* supplied by hl on return */ 41 char * (*drv_to_name)(int); /* map a driver id to name, supplied by hl */ 42 int (*name_to_drv)(char *); /* map a driver id to name, supplied by hl */ 43 } isdn_divert_if; 44 45 /*********************/ 46 /* function register */ 47 /*********************/ 48 extern int DIVERT_REG_NAME(isdn_divert_if *); 49 #endif 50 51 #endif /* _LINUX_ISDN_DIVERTIF_H */ 52