2 * Copyright (c) 1997, 2002 Hellmuth Michaelis. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 /*---------------------------------------------------------------------------
28 * i4b_tel_ioctl.h telephony interface ioctls
29 * ------------------------------------------
33 * last edit-date: [Sun Mar 17 10:10:39 2002]
35 *---------------------------------------------------------------------------*/
37 #ifndef _I4B_TEL_IOCTL_H_
38 #define _I4B_TEL_IOCTL_H_
40 /*===========================================================================*
41 * /dev/i4btel<n> devices (audio data)
42 *===========================================================================*/
44 /* supported audio format conversions */
46 #define CVT_NONE 0 /* no A-law/u-law conversion */
47 #define CVT_ALAW2ULAW 1 /* ISDN line: A-law, user: u-law */
48 #define CVT_ULAW2ALAW 2 /* ISDN line: u-law, user: A-law */
50 /*---------------------------------------------------------------------------*
51 * get / set audio format
52 *---------------------------------------------------------------------------*/
54 #define I4B_TEL_GETAUDIOFMT _IOR('A', 0, int)
55 #define I4B_TEL_SETAUDIOFMT _IOW('A', 1, int)
56 #define I4B_TEL_EMPTYINPUTQUEUE _IOW('A', 2, int)
58 /*---------------------------------------------------------------------------*
59 * request version and release info from kernel part
60 *---------------------------------------------------------------------------*/
62 #define I4B_TEL_VR_REQ _IOR('A', 3, msg_vr_req_t)
64 /*---------------------------------------------------------------------------*
65 * send tones out of the tel interface
66 *---------------------------------------------------------------------------*/
68 #define I4B_TEL_MAXTONES 32
70 struct i4b_tel_tones {
71 int frequency[I4B_TEL_MAXTONES];
72 int duration[I4B_TEL_MAXTONES];
75 #define I4B_TEL_TONES _IOR('A', 4, struct i4b_tel_tones)
77 /*===========================================================================*
78 * /dev/i4bteld<n> devices (dialer interface)
79 *===========================================================================*/
83 #define CMD_DIAL 'D' /* dial the following number string */
84 #define CMD_HUP 'H' /* hangup */
85 #define CMD_KEYP 'K' /* send keypad string */
87 /* dialer responses */
89 #define RSP_CONN '0' /* connect */
90 #define RSP_BUSY '1' /* busy */
91 #define RSP_HUP '2' /* hangup */
92 #define RSP_NOA '3' /* no answer */
94 #endif /* _I4B_TEL_IOCTL_H_ */