OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / include / linux / telephony.h
blobf63afe330addaade67b6d9f3e76e8ce569827ce8
1 /******************************************************************************
3 * telephony.h
5 * Basic Linux Telephony Interface
7 * (c) Copyright 1999-2001 Quicknet Technologies, Inc.
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.
14 * Authors: Ed Okerson, <eokerson@quicknet.net>
15 * Greg Herlein, <gherlein@quicknet.net>
17 * Contributors: Alan Cox, <alan@lxorguk.ukuu.org.uk>
18 * David W. Erhart, <derhart@quicknet.net>
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.
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.
31 *****************************************************************************/
33 #ifndef TELEPHONY_H
34 #define TELEPHONY_H
36 #define TELEPHONY_VERSION 3013
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
45 /******************************************************************************
46 * Vendor Summary Information Area
48 * Quicknet Technologies, Inc. - makes low density analog telephony cards
49 * with audio compression, POTS and PSTN interfaces (www.quicknet.net)
51 * (other vendors following this API shuld add a short description of
52 * the telephony products they support under Linux)
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
61 /******************************************************************************
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.
71 ******************************************************************************/
72 typedef enum {
73 vendor = 0,
74 device,
75 port,
76 codec,
77 dsp
78 } phone_cap;
80 struct phone_capability {
81 char desc[80];
82 phone_cap captype;
83 int cap;
84 int handle;
87 typedef enum {
88 pots = 0,
89 pstn,
90 handset,
91 speaker
92 } phone_ports;
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 *)
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;
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)
117 #define USA_RING_CADENCE 0xC0C0
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)
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)
151 #define PHONE_PSTN_SET_STATE _IOW ('q', 0xA4, int)
152 #define PHONE_PSTN_GET_STATE _IO ('q', 0xA5)
154 #define PSTN_ON_HOOK 0
155 #define PSTN_RINGING 1
156 #define PSTN_OFF_HOOK 2
157 #define PSTN_PULSE_DIAL 3
159 /******************************************************************************
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.
165 ******************************************************************************/
166 #define PHONE_WINK_DURATION _IOW ('q', 0xA6, int)
167 #define PHONE_WINK _IOW ('q', 0xAA, int)
169 /******************************************************************************
171 * Codec Definitions
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;
190 struct phone_codec_data
192 phone_codec type;
193 unsigned short buf_min, buf_opt, buf_max;
196 #define PHONE_QUERY_CODEC _IOWR ('q', 0xA7, struct phone_codec_data *)
197 #define PHONE_PSTN_LINETEST _IO ('q', 0xA8)
199 /******************************************************************************
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:
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
213 ******************************************************************************/
214 #define PHONE_VAD _IOW ('q', 0xA9, int)
217 /******************************************************************************
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.
232 * The remaining bits should be set to zero. They will become defined over time
233 * for other interface cards and their needs.
235 ******************************************************************************/
236 struct phone_except
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;
255 union telephony_exception {
256 struct phone_except bits;
257 unsigned int bytes;
261 #endif /* TELEPHONY_H */