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1 /******************************************************************************
2  *
3  *		telephony.h
4  *
5  *		Basic Linux Telephony Interface
6  *
7  *		(c) Copyright 1999-2001 Quicknet Technologies, Inc.
8  *
9  *		This program is free software; you can redistribute it and/or
10  *		modify it under the terms of the GNU General Public License
11  *		as published by the Free Software Foundation; either version
12  *		2 of the License, or (at your option) any later version.
13  *
14  *    Authors:       Ed Okerson, <eokerson@quicknet.net>
15  *                   Greg Herlein, <gherlein@quicknet.net>
16  *
17  *    Contributors:  Alan Cox, <alan@redhat.com>
18  *                   David W. Erhart, <derhart@quicknet.net>
19  *
20  * IN NO EVENT SHALL QUICKNET TECHNOLOGIES, INC. BE LIABLE TO ANY PARTY FOR
21  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
22  * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF QUICKNET
23  * TECHNOLOGIES, INC. HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  *
25  * QUICKNET TECHNOLOGIES, INC. SPECIFICALLY DISCLAIMS ANY WARRANTIES,
26  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
27  * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
28  * ON AN "AS IS" BASIS, AND QUICKNET TECHNOLOGIES, INC. HAS NO OBLIGATION
29  * TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
30  *
31  * Version:       $Revision: 4.2 $
32  *
33  * $Id: telephony.h,v 4.2 2001/08/06 07:09:43 craigs Exp $
34  *
35  *****************************************************************************/
36 
37 #ifndef TELEPHONY_H
38 #define TELEPHONY_H
39 
40 #define TELEPHONY_VERSION 3013
41 
42 #define PHONE_VENDOR_IXJ          1
43 #define PHONE_VENDOR_QUICKNET	  PHONE_VENDOR_IXJ
44 #define PHONE_VENDOR_VOICETRONIX  2
45 #define PHONE_VENDOR_ACULAB       3
46 #define PHONE_VENDOR_DIGI         4
47 #define PHONE_VENDOR_FRANKLIN     5
48 
49 /******************************************************************************
50  *  Vendor Summary Information Area
51  *
52  *  Quicknet Technologies, Inc. - makes low density analog telephony cards
53  *    with audio compression, POTS and PSTN interfaces (www.quicknet.net)
54  *
55  *  (other vendors following this API shuld add a short description of
56  *  the telephony products they support under Linux)
57  *
58  *****************************************************************************/
59 #define QTI_PHONEJACK		100
60 #define QTI_LINEJACK		300
61 #define QTI_PHONEJACK_LITE	400
62 #define QTI_PHONEJACK_PCI	500
63 #define QTI_PHONECARD		600
64 
65 /******************************************************************************
66 *
67 * The capabilities ioctls can inform you of the capabilities of each phone
68 * device installed in your system.  The PHONECTL_CAPABILITIES ioctl
69 * returns an integer value indicating the number of capabilities the
70 * device has.  The PHONECTL_CAPABILITIES_LIST will fill an array of
71 * capability structs with all of its capabilities.  The
72 * PHONECTL_CAPABILITIES_CHECK takes a single capability struct and returns
73 * a TRUE if the device has that capability, otherwise it returns false.
74 *
75 ******************************************************************************/
76 typedef enum {
77 	vendor = 0,
78 	device,
79 	port,
80 	codec,
81 	dsp
82 } phone_cap;
83 
84 struct phone_capability {
85 	char desc[80];
86 	phone_cap captype;
87 	int cap;
88 	int handle;
89 };
90 
91 typedef enum {
92 	pots = 0,
93 	pstn,
94 	handset,
95 	speaker
96 } phone_ports;
97 
98 #define PHONE_CAPABILITIES              _IO  ('q', 0x80)
99 #define PHONE_CAPABILITIES_LIST         _IOR ('q', 0x81, struct phone_capability *)
100 #define PHONE_CAPABILITIES_CHECK        _IOW ('q', 0x82, struct phone_capability *)
101 
102 typedef struct {
103         char month[3];
104         char day[3];
105         char hour[3];
106         char min[3];
107         int numlen;
108         char number[11];
109         int namelen;
110         char name[80];
111 } PHONE_CID;
112 
113 #define PHONE_RING			_IO  ('q', 0x83)
114 #define PHONE_HOOKSTATE			_IO  ('q', 0x84)
115 #define PHONE_MAXRINGS			_IOW ('q', 0x85, char)
116 #define PHONE_RING_CADENCE		_IOW ('q', 0x86, short)
117 #define OLD_PHONE_RING_START            _IO  ('q', 0x87)
118 #define PHONE_RING_START		_IOW ('q', 0x87, PHONE_CID *)
119 #define PHONE_RING_STOP			_IO  ('q', 0x88)
120 
121 #define USA_RING_CADENCE	 0xC0C0
122 
123 #define PHONE_REC_CODEC			_IOW ('q', 0x89, int)
124 #define PHONE_REC_START			_IO  ('q', 0x8A)
125 #define PHONE_REC_STOP			_IO  ('q', 0x8B)
126 #define PHONE_REC_DEPTH			_IOW ('q', 0x8C, int)
127 #define PHONE_FRAME			_IOW ('q', 0x8D, int)
128 #define PHONE_REC_VOLUME		_IOW ('q', 0x8E, int)
129 #define PHONE_REC_VOLUME_LINEAR		_IOW ('q', 0xDB, int)
130 #define PHONE_REC_LEVEL			_IO  ('q', 0x8F)
131 
132 #define PHONE_PLAY_CODEC		_IOW ('q', 0x90, int)
133 #define PHONE_PLAY_START		_IO  ('q', 0x91)
134 #define PHONE_PLAY_STOP			_IO  ('q', 0x92)
135 #define PHONE_PLAY_DEPTH		_IOW ('q', 0x93, int)
136 #define PHONE_PLAY_VOLUME		_IOW ('q', 0x94, int)
137 #define PHONE_PLAY_VOLUME_LINEAR	_IOW ('q', 0xDC, int)
138 #define PHONE_PLAY_LEVEL		_IO  ('q', 0x95)
139 #define PHONE_DTMF_READY		_IOR ('q', 0x96, int)
140 #define PHONE_GET_DTMF			_IOR ('q', 0x97, int)
141 #define PHONE_GET_DTMF_ASCII		_IOR ('q', 0x98, int)
142 #define PHONE_DTMF_OOB			_IOW ('q', 0x99, int)
143 #define PHONE_EXCEPTION			_IOR ('q', 0x9A, int)
144 #define PHONE_PLAY_TONE			_IOW ('q', 0x9B, char)
145 #define PHONE_SET_TONE_ON_TIME		_IOW ('q', 0x9C, int)
146 #define PHONE_SET_TONE_OFF_TIME		_IOW ('q', 0x9D, int)
147 #define PHONE_GET_TONE_ON_TIME		_IO  ('q', 0x9E)
148 #define PHONE_GET_TONE_OFF_TIME		_IO  ('q', 0x9F)
149 #define PHONE_GET_TONE_STATE		_IO  ('q', 0xA0)
150 #define PHONE_BUSY			_IO  ('q', 0xA1)
151 #define PHONE_RINGBACK			_IO  ('q', 0xA2)
152 #define PHONE_DIALTONE			_IO  ('q', 0xA3)
153 #define PHONE_CPT_STOP			_IO  ('q', 0xA4)
154 
155 #define PHONE_PSTN_SET_STATE		_IOW ('q', 0xA4, int)
156 #define PHONE_PSTN_GET_STATE		_IO  ('q', 0xA5)
157 
158 #define PSTN_ON_HOOK		0
159 #define PSTN_RINGING		1
160 #define PSTN_OFF_HOOK		2
161 #define PSTN_PULSE_DIAL		3
162 
163 /******************************************************************************
164 *
165 * The wink duration is tunable with this ioctl.  The default wink duration
166 * is 320ms.  You do not need to use this ioctl if you do not require a
167 * different wink duration.
168 *
169 ******************************************************************************/
170 #define PHONE_WINK_DURATION		_IOW ('q', 0xA6, int)
171 #define PHONE_WINK			_IOW ('q', 0xAA, int)
172 
173 /******************************************************************************
174 *
175 *  Codec Definitions
176 *
177 ******************************************************************************/
178 typedef enum {
179 	G723_63 = 1,
180 	G723_53 = 2,
181 	TS85 = 3,
182 	TS48 = 4,
183 	TS41 = 5,
184 	G728 = 6,
185 	G729 = 7,
186 	ULAW = 8,
187 	ALAW = 9,
188 	LINEAR16 = 10,
189 	LINEAR8 = 11,
190 	WSS = 12,
191 	G729B = 13
192 } phone_codec;
193 
194 struct phone_codec_data
195 {
196         phone_codec type;
197         unsigned short buf_min, buf_opt, buf_max;
198 };
199 
200 #define PHONE_QUERY_CODEC               _IOWR ('q', 0xA7, struct phone_codec_data *)
201 #define PHONE_PSTN_LINETEST             _IO ('q', 0xA8)
202 
203 /******************************************************************************
204 *
205 * This controls the VAD/CNG functionality of G.723.1.  The driver will
206 * always pass full size frames, any unused bytes will be padded with zeros,
207 * and frames passed to the driver should also be padded with zeros.  The
208 * frame type is encoded in the least significant two bits of the first
209 * WORD of the frame as follows:
210 *
211 * bits 1-0	Frame Type	Data Rate		Significant Words
212 * 00		0		G.723.1 6.3		12
213 * 01		1		G.723.1 5.3		10
214 * 10		2		VAD/CNG			 2
215 * 11		3		Repeat last CNG		 2 bits
216 *
217 ******************************************************************************/
218 #define PHONE_VAD			_IOW ('q', 0xA9, int)
219 
220 
221 /******************************************************************************
222 *
223 * The exception structure allows us to multiplex multiple events onto the
224 * select() exception set.  If any of these flags are set select() will
225 * return with a positive indication on the exception set.  The dtmf_ready
226 * bit indicates if there is data waiting in the DTMF buffer.  The
227 * hookstate bit is set if there is a change in hookstate status, it does not
228 * indicate the current state of the hookswitch.  The pstn_ring bit
229 * indicates that the DAA on a LineJACK card has detected ring voltage on
230 * the PSTN port.  The caller_id bit indicates that caller_id data has been
231 * received and is available.  The pstn_wink bit indicates that the DAA on
232 * the LineJACK has received a wink from the telco switch.  The f0, f1, f2
233 * and f3 bits indicate that the filter has been triggered by detecting the
234 * frequency programmed into that filter.
235 *
236 * The remaining bits should be set to zero. They will become defined over time
237 * for other interface cards and their needs.
238 *
239 ******************************************************************************/
240 struct phone_except
241 {
242 	unsigned int dtmf_ready:1;
243 	unsigned int hookstate:1;
244 	unsigned int pstn_ring:1;
245 	unsigned int caller_id:1;
246 	unsigned int pstn_wink:1;
247 	unsigned int f0:1;
248 	unsigned int f1:1;
249 	unsigned int f2:1;
250 	unsigned int f3:1;
251 	unsigned int flash:1;
252 	unsigned int fc0:1;
253 	unsigned int fc1:1;
254 	unsigned int fc2:1;
255 	unsigned int fc3:1;
256 	unsigned int reserved:18;
257 };
258 
259 union telephony_exception {
260 	struct phone_except bits;
261 	unsigned int bytes;
262 };
263 
264 
265 #endif		/* TELEPHONY_H */
266 
267