✏ EDIT: gigaset_dev.h

/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 * interface to user space for the gigaset driver
 *
 * Copyright (c) 2004 by Hansjoerg Lipp <hjlipp@web.de>
 *
 * =====================================================================
 *    This program is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU General Public License as
 *    published by the Free Software Foundation; either version 2 of
 *    the License, or (at your option) any later version.
 * =====================================================================
 */

#ifndef GIGASET_INTERFACE_H
#define GIGASET_INTERFACE_H

#include <linux/ioctl.h>

/* The magic IOCTL value for this interface. */
#define GIGASET_IOCTL 0x47

/* enable/disable device control via character device (lock out ISDN subsys) */
#define GIGASET_REDIR    _IOWR(GIGASET_IOCTL, 0, int)

/* enable adapter configuration mode (M10x only) */
#define GIGASET_CONFIG   _IOWR(GIGASET_IOCTL, 1, int)

/* set break characters (M105 only) */
#define GIGASET_BRKCHARS _IOW(GIGASET_IOCTL, 2, unsigned char[6])

/* get version information selected by arg[0] */
#define GIGASET_VERSION  _IOWR(GIGASET_IOCTL, 3, unsigned[4])
/* values for GIGASET_VERSION arg[0] */
#define GIGVER_DRIVER 0		/* get driver version */
#define GIGVER_COMPAT 1		/* get interface compatibility version */
#define GIGVER_FWBASE 2		/* get base station firmware version */

#endif

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