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@lxorguk.ukuu.org.uk>
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  *****************************************************************************/
32 
33 #ifndef TELEPHONY_H
34 #define TELEPHONY_H
35 
36 #define TELEPHONY_VERSION 3013
37 
38 #define PHONE_VENDOR_IXJ          1
39 #define PHONE_VENDOR_QUICKNET	  PHONE_VENDOR_IXJ
40 #define PHONE_VENDOR_VOICETRONIX  2
41 #define PHONE_VENDOR_ACULAB       3
42 #define PHONE_VENDOR_DIGI         4
43 #define PHONE_VENDOR_FRANKLIN     5
44 
45 /******************************************************************************
46  *  Vendor Summary Information Area
47  *
48  *  Quicknet Technologies, Inc. - makes low density analog telephony cards
49  *    with audio compression, POTS and PSTN interfaces (www.quicknet.net)
50  *
51  *  (other vendors following this API shuld add a short description of
52  *  the telephony products they support under Linux)
53  *
54  *****************************************************************************/
55 #define QTI_PHONEJACK		100
56 #define QTI_LINEJACK		300
57 #define QTI_PHONEJACK_LITE	400
58 #define QTI_PHONEJACK_PCI	500
59 #define QTI_PHONECARD		600
60 
61 /******************************************************************************
62 *
63 * The capabilities ioctls can inform you of the capabilities of each phone
64 * device installed in your system.  The PHONECTL_CAPABILITIES ioctl
65 * returns an integer value indicating the number of capabilities the
66 * device has.  The PHONECTL_CAPABILITIES_LIST will fill an array of
67 * capability structs with all of its capabilities.  The
68 * PHONECTL_CAPABILITIES_CHECK takes a single capability struct and returns
69 * a TRUE if the device has that capability, otherwise it returns false.
70 *
71 ******************************************************************************/
72 typedef enum {
73 	vendor = 0,
74 	device,
75 	port,
76 	codec,
77 	dsp
78 } phone_cap;
79 
80 struct phone_capability {
81 	char desc[80];
82 	phone_cap captype;
83 	int cap;
84 	int handle;
85 };
86 
87 typedef enum {
88 	pots = 0,
89 	pstn,
90 	handset,
91 	speaker
92 } phone_ports;
93 
94 #define PHONE_CAPABILITIES              _IO  ('q', 0x80)
95 #define PHONE_CAPABILITIES_LIST         _IOR ('q', 0x81, struct phone_capability *)
96 #define PHONE_CAPABILITIES_CHECK        _IOW ('q', 0x82, struct phone_capability *)
97 
98 typedef struct {
99         char month[3];
100         char day[3];
101         char hour[3];
102         char min[3];
103         int numlen;
104         char number[11];
105         int namelen;
106         char name[80];
107 } PHONE_CID;
108 
109 #define PHONE_RING			_IO  ('q', 0x83)
110 #define PHONE_HOOKSTATE			_IO  ('q', 0x84)
111 #define PHONE_MAXRINGS			_IOW ('q', 0x85, char)
112 #define PHONE_RING_CADENCE		_IOW ('q', 0x86, short)
113 #define OLD_PHONE_RING_START            _IO  ('q', 0x87)
114 #define PHONE_RING_START		_IOW ('q', 0x87, PHONE_CID *)
115 #define PHONE_RING_STOP			_IO  ('q', 0x88)
116 
117 #define USA_RING_CADENCE	 0xC0C0
118 
119 #define PHONE_REC_CODEC			_IOW ('q', 0x89, int)
120 #define PHONE_REC_START			_IO  ('q', 0x8A)
121 #define PHONE_REC_STOP			_IO  ('q', 0x8B)
122 #define PHONE_REC_DEPTH			_IOW ('q', 0x8C, int)
123 #define PHONE_FRAME			_IOW ('q', 0x8D, int)
124 #define PHONE_REC_VOLUME		_IOW ('q', 0x8E, int)
125 #define PHONE_REC_VOLUME_LINEAR		_IOW ('q', 0xDB, int)
126 #define PHONE_REC_LEVEL			_IO  ('q', 0x8F)
127 
128 #define PHONE_PLAY_CODEC		_IOW ('q', 0x90, int)
129 #define PHONE_PLAY_START		_IO  ('q', 0x91)
130 #define PHONE_PLAY_STOP			_IO  ('q', 0x92)
131 #define PHONE_PLAY_DEPTH		_IOW ('q', 0x93, int)
132 #define PHONE_PLAY_VOLUME		_IOW ('q', 0x94, int)
133 #define PHONE_PLAY_VOLUME_LINEAR	_IOW ('q', 0xDC, int)
134 #define PHONE_PLAY_LEVEL		_IO  ('q', 0x95)
135 #define PHONE_DTMF_READY		_IOR ('q', 0x96, int)
136 #define PHONE_GET_DTMF			_IOR ('q', 0x97, int)
137 #define PHONE_GET_DTMF_ASCII		_IOR ('q', 0x98, int)
138 #define PHONE_DTMF_OOB			_IOW ('q', 0x99, int)
139 #define PHONE_EXCEPTION			_IOR ('q', 0x9A, int)
140 #define PHONE_PLAY_TONE			_IOW ('q', 0x9B, char)
141 #define PHONE_SET_TONE_ON_TIME		_IOW ('q', 0x9C, int)
142 #define PHONE_SET_TONE_OFF_TIME		_IOW ('q', 0x9D, int)
143 #define PHONE_GET_TONE_ON_TIME		_IO  ('q', 0x9E)
144 #define PHONE_GET_TONE_OFF_TIME		_IO  ('q', 0x9F)
145 #define PHONE_GET_TONE_STATE		_IO  ('q', 0xA0)
146 #define PHONE_BUSY			_IO  ('q', 0xA1)
147 #define PHONE_RINGBACK			_IO  ('q', 0xA2)
148 #define PHONE_DIALTONE			_IO  ('q', 0xA3)
149 #define PHONE_CPT_STOP			_IO  ('q', 0xA4)
150 
151 #define PHONE_PSTN_SET_STATE		_IOW ('q', 0xA4, int)
152 #define PHONE_PSTN_GET_STATE		_IO  ('q', 0xA5)
153 
154 #define PSTN_ON_HOOK		0
155 #define PSTN_RINGING		1
156 #define PSTN_OFF_HOOK		2
157 #define PSTN_PULSE_DIAL		3
158 
159 /******************************************************************************
160 *
161 * The wink duration is tunable with this ioctl.  The default wink duration
162 * is 320ms.  You do not need to use this ioctl if you do not require a
163 * different wink duration.
164 *
165 ******************************************************************************/
166 #define PHONE_WINK_DURATION		_IOW ('q', 0xA6, int)
167 #define PHONE_WINK			_IOW ('q', 0xAA, int)
168 
169 /******************************************************************************
170 *
171 *  Codec Definitions
172 *
173 ******************************************************************************/
174 typedef enum {
175 	G723_63 = 1,
176 	G723_53 = 2,
177 	TS85 = 3,
178 	TS48 = 4,
179 	TS41 = 5,
180 	G728 = 6,
181 	G729 = 7,
182 	ULAW = 8,
183 	ALAW = 9,
184 	LINEAR16 = 10,
185 	LINEAR8 = 11,
186 	WSS = 12,
187 	G729B = 13
188 } phone_codec;
189 
190 struct phone_codec_data
191 {
192         phone_codec type;
193         unsigned short buf_min, buf_opt, buf_max;
194 };
195 
196 #define PHONE_QUERY_CODEC               _IOWR ('q', 0xA7, struct phone_codec_data *)
197 #define PHONE_PSTN_LINETEST             _IO ('q', 0xA8)
198 
199 /******************************************************************************
200 *
201 * This controls the VAD/CNG functionality of G.723.1.  The driver will
202 * always pass full size frames, any unused bytes will be padded with zeros,
203 * and frames passed to the driver should also be padded with zeros.  The
204 * frame type is encoded in the least significant two bits of the first
205 * WORD of the frame as follows:
206 *
207 * bits 1-0	Frame Type	Data Rate		Significant Words
208 * 00		0		G.723.1 6.3		12
209 * 01		1		G.723.1 5.3		10
210 * 10		2		VAD/CNG			 2
211 * 11		3		Repeat last CNG		 2 bits
212 *
213 ******************************************************************************/
214 #define PHONE_VAD			_IOW ('q', 0xA9, int)
215 
216 
217 /******************************************************************************
218 *
219 * The exception structure allows us to multiplex multiple events onto the
220 * select() exception set.  If any of these flags are set select() will
221 * return with a positive indication on the exception set.  The dtmf_ready
222 * bit indicates if there is data waiting in the DTMF buffer.  The
223 * hookstate bit is set if there is a change in hookstate status, it does not
224 * indicate the current state of the hookswitch.  The pstn_ring bit
225 * indicates that the DAA on a LineJACK card has detected ring voltage on
226 * the PSTN port.  The caller_id bit indicates that caller_id data has been
227 * received and is available.  The pstn_wink bit indicates that the DAA on
228 * the LineJACK has received a wink from the telco switch.  The f0, f1, f2
229 * and f3 bits indicate that the filter has been triggered by detecting the
230 * frequency programmed into that filter.
231 *
232 * The remaining bits should be set to zero. They will become defined over time
233 * for other interface cards and their needs.
234 *
235 ******************************************************************************/
236 struct phone_except
237 {
238 	unsigned int dtmf_ready:1;
239 	unsigned int hookstate:1;
240 	unsigned int pstn_ring:1;
241 	unsigned int caller_id:1;
242 	unsigned int pstn_wink:1;
243 	unsigned int f0:1;
244 	unsigned int f1:1;
245 	unsigned int f2:1;
246 	unsigned int f3:1;
247 	unsigned int flash:1;
248 	unsigned int fc0:1;
249 	unsigned int fc1:1;
250 	unsigned int fc2:1;
251 	unsigned int fc3:1;
252 	unsigned int reserved:18;
253 };
254 
255 union telephony_exception {
256 	struct phone_except bits;
257 	unsigned int bytes;
258 };
259 
260 
261 #endif		/* TELEPHONY_H */
262 
263