diff options
Diffstat (limited to 'include/linux/isdn_divertif.h')
| -rw-r--r-- | include/linux/isdn_divertif.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/linux/isdn_divertif.h b/include/linux/isdn_divertif.h new file mode 100644 index 000000000000..0e7e44ce8301 --- /dev/null +++ b/include/linux/isdn_divertif.h @@ -0,0 +1,42 @@ +/* $Id: isdn_divertif.h,v 1.4.6.1 2001/09/23 22:25:05 kai Exp $ + * + * Header for the diversion supplementary interface for i4l. + * + * Author Werner Cornelius (werner@titro.de) + * Copyright by Werner Cornelius (werner@titro.de) + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + */ + + +/***********************************************************/ +/* magic value is also used to control version information */ +/***********************************************************/ +#define DIVERT_IF_MAGIC 0x25873401 +#define DIVERT_CMD_REG 0x00 /* register command */ +#define DIVERT_CMD_REL 0x01 /* release command */ +#define DIVERT_NO_ERR 0x00 /* return value no error */ +#define DIVERT_CMD_ERR 0x01 /* invalid cmd */ +#define DIVERT_VER_ERR 0x02 /* magic/version invalid */ +#define DIVERT_REG_ERR 0x03 /* module already registered */ +#define DIVERT_REL_ERR 0x04 /* module not registered */ +#define DIVERT_REG_NAME isdn_register_divert + +/***************************************************************/ +/* structure exchanging data between isdn hl and divert module */ +/***************************************************************/ +typedef struct + { ulong if_magic; /* magic info and version */ + int cmd; /* command */ + int (*stat_callback)(isdn_ctrl *); /* supplied by divert module when calling */ + int (*ll_cmd)(isdn_ctrl *); /* supplied by hl on return */ + char * (*drv_to_name)(int); /* map a driver id to name, supplied by hl */ + int (*name_to_drv)(char *); /* map a driver id to name, supplied by hl */ + } isdn_divert_if; + +/*********************/ +/* function register */ +/*********************/ +extern int DIVERT_REG_NAME(isdn_divert_if *); |
