| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 14 | /***********************************************************/ |
| 15 | /* magic value is also used to control version information */ |
| 16 | /***********************************************************/ |
| 17 | #define DIVERT_IF_MAGIC 0x25873401 |
| 18 | #define DIVERT_CMD_REG 0x00 /* register command */ |
| 19 | #define DIVERT_CMD_REL 0x01 /* release command */ |
| 20 | #define DIVERT_NO_ERR 0x00 /* return value no error */ |
| 21 | #define DIVERT_CMD_ERR 0x01 /* invalid cmd */ |
| 22 | #define DIVERT_VER_ERR 0x02 /* magic/version invalid */ |
| 23 | #define DIVERT_REG_ERR 0x03 /* module already registered */ |
| 24 | #define DIVERT_REL_ERR 0x04 /* module not registered */ |
| 25 | #define DIVERT_REG_NAME isdn_register_divert |
| 26 | |
| 27 | /***************************************************************/ |
| 28 | /* structure exchanging data between isdn hl and divert module */ |
| 29 | /***************************************************************/ |
| 30 | typedef struct |
| 31 | { ulong if_magic; /* magic info and version */ |
| 32 | int cmd; /* command */ |
| 33 | int (*stat_callback)(isdn_ctrl *); /* supplied by divert module when calling */ |
| 34 | int (*ll_cmd)(isdn_ctrl *); /* supplied by hl on return */ |
| 35 | char * (*drv_to_name)(int); /* map a driver id to name, supplied by hl */ |
| 36 | int (*name_to_drv)(char *); /* map a driver id to name, supplied by hl */ |
| 37 | } isdn_divert_if; |
| 38 | |
| 39 | /*********************/ |
| 40 | /* function register */ |
| 41 | /*********************/ |
| 42 | extern int DIVERT_REG_NAME(isdn_divert_if *); |