52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
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/* $Id: isdn_divertif.h,v 1.4.6.1 2001/09/23 22:25:05 kai Exp $
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*
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* Header for the diversion supplementary interface for i4l.
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*
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* Author Werner Cornelius (werner@titro.de)
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* Copyright by Werner Cornelius (werner@titro.de)
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*
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* This software may be used and distributed according to the terms
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* of the GNU General Public License, incorporated herein by reference.
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*
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*/
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#ifndef _LINUX_ISDN_DIVERTIF_H
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#define _LINUX_ISDN_DIVERTIF_H
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/***********************************************************/
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/* magic value is also used to control version information */
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/***********************************************************/
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#define DIVERT_IF_MAGIC 0x25873401
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#define DIVERT_CMD_REG 0x00 /* register command */
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#define DIVERT_CMD_REL 0x01 /* release command */
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#define DIVERT_NO_ERR 0x00 /* return value no error */
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#define DIVERT_CMD_ERR 0x01 /* invalid cmd */
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#define DIVERT_VER_ERR 0x02 /* magic/version invalid */
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#define DIVERT_REG_ERR 0x03 /* module already registered */
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#define DIVERT_REL_ERR 0x04 /* module not registered */
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#define DIVERT_REG_NAME isdn_register_divert
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#ifdef __KERNEL__
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#include <linux/isdnif.h>
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#include <linux/types.h>
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/***************************************************************/
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/* structure exchanging data between isdn hl and divert module */
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/***************************************************************/
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typedef struct
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{ ulong if_magic; /* magic info and version */
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int cmd; /* command */
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int (*stat_callback)(isdn_ctrl *); /* supplied by divert module when calling */
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int (*ll_cmd)(isdn_ctrl *); /* supplied by hl on return */
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char * (*drv_to_name)(int); /* map a driver id to name, supplied by hl */
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int (*name_to_drv)(char *); /* map a driver id to name, supplied by hl */
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} isdn_divert_if;
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/*********************/
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/* function register */
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/*********************/
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extern int DIVERT_REG_NAME(isdn_divert_if *);
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#endif
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#endif /* _LINUX_ISDN_DIVERTIF_H */
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