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/*
* Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*---------------------------------------------------------------------------
*
* i4b_tel_ioctl.h telephony interface ioctls
* ------------------------------------------
*
* $Id: i4b_tel_ioctl.h,v 1.7 1999/02/16 10:40:18 hm Exp $
*
* last edit-date: [Sun Feb 14 10:39:19 1999]
*
*---------------------------------------------------------------------------*/
#ifndef _I4B_TEL_IOCTL_H_
#define _I4B_TEL_IOCTL_H_
/* supported audio format conversions for /dev/i4btelXX devices */
#define CVT_NONE 0 /* no format conversion */
#define CVT_ALAW2ULAW 1 /* kernel A-law, userland mu-law */
#define CVT_ALAW_CANON 2 /* kernel A-law, userland canonical A-law */
/*---------------------------------------------------------------------------*
* get / set audio format
*---------------------------------------------------------------------------*/
#define I4B_TEL_GETAUDIOFMT _IOR('A', 0, int)
#define I4B_TEL_SETAUDIOFMT _IOW('A', 1, int)
#define I4B_TEL_EMPTYINPUTQUEUE _IOW('A', 2, int)
#endif /* _I4B_TEL_IOCTL_H_ */
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