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/******************************************************************************

 *

 *              telephony.h

 *

 *              Basic Linux Telephony Interface

 *

 *              (c) Copyright 1999-2001 Quicknet Technologies, Inc.

 *

 *              This program is free software; you can redistribute it and/or

 *              modify it under the terms of the GNU General Public License

 *              as published by the Free Software Foundation; either version

 *              2 of the License, or (at your option) any later version.

 *

 *    Authors:       Ed Okerson, <eokerson@quicknet.net>

 *                   Greg Herlein, <gherlein@quicknet.net>

 *

 *    Contributors:  Alan Cox, <alan@lxorguk.ukuu.org.uk>

 *                   David W. Erhart, <derhart@quicknet.net>

 *

 * IN NO EVENT SHALL QUICKNET TECHNOLOGIES, INC. BE LIABLE TO ANY PARTY FOR

 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT

 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF QUICKNET

 * TECHNOLOGIES, INC. HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 * QUICKNET TECHNOLOGIES, INC. SPECIFICALLY DISCLAIMS ANY WARRANTIES,

 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY

 * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS

 * ON AN "AS IS" BASIS, AND QUICKNET TECHNOLOGIES, INC. HAS NO OBLIGATION

 * TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

 *

 *****************************************************************************/

#ifndef TELEPHONY_H

#define TELEPHONY_H

#define TELEPHONY_VERSION 3013

#define PHONE_VENDOR_IXJ          1

#define PHONE_VENDOR_QUICKNET     PHONE_VENDOR_IXJ

#define PHONE_VENDOR_VOICETRONIX  2

#define PHONE_VENDOR_ACULAB       3

#define PHONE_VENDOR_DIGI         4

#define PHONE_VENDOR_FRANKLIN     5

/******************************************************************************

 *  Vendor Summary Information Area

 *

 *  Quicknet Technologies, Inc. - makes low density analog telephony cards

 *    with audio compression, POTS and PSTN interfaces (www.quicknet.net)

 *

 *  (other vendors following this API shuld add a short description of

 *  the telephony products they support under Linux)

 *

 *****************************************************************************/

#define QTI_PHONEJACK           100

#define QTI_LINEJACK            300

#define QTI_PHONEJACK_LITE      400

#define QTI_PHONEJACK_PCI       500

#define QTI_PHONECARD           600

/******************************************************************************

*

* The capabilities ioctls can inform you of the capabilities of each phone

* device installed in your system.  The PHONECTL_CAPABILITIES ioctl

* returns an integer value indicating the number of capabilities the

* device has.  The PHONECTL_CAPABILITIES_LIST will fill an array of

* capability structs with all of its capabilities.  The

* PHONECTL_CAPABILITIES_CHECK takes a single capability struct and returns

* a TRUE if the device has that capability, otherwise it returns false.

*

******************************************************************************/

typedef enum {

        vendor = 0,

        device,

        port,

        codec,

        dsp

} phone_cap;

struct phone_capability {

        char desc[80];

        phone_cap captype;

        int cap;

        int handle;

};

typedef enum {

        pots = 0,

        pstn,

        handset,

        speaker

} phone_ports;

#define PHONE_CAPABILITIES              _IO  ('q', 0x80)

#define PHONE_CAPABILITIES_LIST         _IOR ('q', 0x81, struct phone_capability *)

#define PHONE_CAPABILITIES_CHECK        _IOW ('q', 0x82, struct phone_capability *)

typedef struct {

        char month[3];

        char day[3];

        char hour[3];

        char min[3];

        int numlen;

        char number[11];

        int namelen;

        char name[80];

} PHONE_CID;

#define PHONE_RING                      _IO  ('q', 0x83)

#define PHONE_HOOKSTATE                 _IO  ('q', 0x84)

#define PHONE_MAXRINGS                  _IOW ('q', 0x85, char)

#define PHONE_RING_CADENCE              _IOW ('q', 0x86, short)

#define OLD_PHONE_RING_START            _IO  ('q', 0x87)

#define PHONE_RING_START                _IOW ('q', 0x87, PHONE_CID *)

#define PHONE_RING_STOP                 _IO  ('q', 0x88)

#define USA_RING_CADENCE         0xC0C0

#define PHONE_REC_CODEC                 _IOW ('q', 0x89, int)

#define PHONE_REC_START                 _IO  ('q', 0x8A)

#define PHONE_REC_STOP                  _IO  ('q', 0x8B)

#define PHONE_REC_DEPTH                 _IOW ('q', 0x8C, int)

#define PHONE_FRAME                     _IOW ('q', 0x8D, int)

#define PHONE_REC_VOLUME                _IOW ('q', 0x8E, int)

#define PHONE_REC_VOLUME_LINEAR         _IOW ('q', 0xDB, int)

#define PHONE_REC_LEVEL                 _IO  ('q', 0x8F)

#define PHONE_PLAY_CODEC                _IOW ('q', 0x90, int)

#define PHONE_PLAY_START                _IO  ('q', 0x91)

#define PHONE_PLAY_STOP                 _IO  ('q', 0x92)

#define PHONE_PLAY_DEPTH                _IOW ('q', 0x93, int)

#define PHONE_PLAY_VOLUME               _IOW ('q', 0x94, int)

#define PHONE_PLAY_VOLUME_LINEAR        _IOW ('q', 0xDC, int)

#define PHONE_PLAY_LEVEL                _IO  ('q', 0x95)

#define PHONE_DTMF_READY                _IOR ('q', 0x96, int)

#define PHONE_GET_DTMF                  _IOR ('q', 0x97, int)

#define PHONE_GET_DTMF_ASCII            _IOR ('q', 0x98, int)

#define PHONE_DTMF_OOB                  _IOW ('q', 0x99, int)

#define PHONE_EXCEPTION                 _IOR ('q', 0x9A, int)

#define PHONE_PLAY_TONE                 _IOW ('q', 0x9B, char)

#define PHONE_SET_TONE_ON_TIME          _IOW ('q', 0x9C, int)

#define PHONE_SET_TONE_OFF_TIME         _IOW ('q', 0x9D, int)

#define PHONE_GET_TONE_ON_TIME          _IO  ('q', 0x9E)

#define PHONE_GET_TONE_OFF_TIME         _IO  ('q', 0x9F)

#define PHONE_GET_TONE_STATE            _IO  ('q', 0xA0)

#define PHONE_BUSY                      _IO  ('q', 0xA1)

#define PHONE_RINGBACK                  _IO  ('q', 0xA2)

#define PHONE_DIALTONE                  _IO  ('q', 0xA3)

#define PHONE_CPT_STOP                  _IO  ('q', 0xA4)

#define PHONE_PSTN_SET_STATE            _IOW ('q', 0xA4, int)

#define PHONE_PSTN_GET_STATE            _IO  ('q', 0xA5)

#define PSTN_ON_HOOK            0

#define PSTN_RINGING            1

#define PSTN_OFF_HOOK           2

#define PSTN_PULSE_DIAL         3

/******************************************************************************

*

* The wink duration is tunable with this ioctl.  The default wink duration

* is 320ms.  You do not need to use this ioctl if you do not require a

* different wink duration.

*

******************************************************************************/

#define PHONE_WINK_DURATION             _IOW ('q', 0xA6, int)

#define PHONE_WINK                      _IOW ('q', 0xAA, int)

/******************************************************************************

*

*  Codec Definitions

*

******************************************************************************/

typedef enum {

        G723_63 = 1,

        G723_53 = 2,

        TS85 = 3,

        TS48 = 4,

        TS41 = 5,

        G728 = 6,

        G729 = 7,

        ULAW = 8,

        ALAW = 9,

        LINEAR16 = 10,

        LINEAR8 = 11,

        WSS = 12,

        G729B = 13

} phone_codec;

struct phone_codec_data

{

        phone_codec type;

        unsigned short buf_min, buf_opt, buf_max;

};

#define PHONE_QUERY_CODEC               _IOWR ('q', 0xA7, struct phone_codec_data *)

#define PHONE_PSTN_LINETEST             _IO ('q', 0xA8)

/******************************************************************************

*

* This controls the VAD/CNG functionality of G.723.1.  The driver will

* always pass full size frames, any unused bytes will be padded with zeros,

* and frames passed to the driver should also be padded with zeros.  The

* frame type is encoded in the least significant two bits of the first

* WORD of the frame as follows:

*

* bits 1-0      Frame Type      Data Rate               Significant Words

* 00            0                G.723.1 6.3             12

* 01            1               G.723.1 5.3             10

* 10            2               VAD/CNG                  2

* 11            3               Repeat last CNG          2 bits

*

******************************************************************************/

#define PHONE_VAD                       _IOW ('q', 0xA9, int)

/******************************************************************************

*

* The exception structure allows us to multiplex multiple events onto the

* select() exception set.  If any of these flags are set select() will

* return with a positive indication on the exception set.  The dtmf_ready

* bit indicates if there is data waiting in the DTMF buffer.  The

* hookstate bit is set if there is a change in hookstate status, it does not

* indicate the current state of the hookswitch.  The pstn_ring bit

* indicates that the DAA on a LineJACK card has detected ring voltage on

* the PSTN port.  The caller_id bit indicates that caller_id data has been

* received and is available.  The pstn_wink bit indicates that the DAA on

* the LineJACK has received a wink from the telco switch.  The f0, f1, f2

* and f3 bits indicate that the filter has been triggered by detecting the

* frequency programmed into that filter.

*

* The remaining bits should be set to zero. They will become defined over time

* for other interface cards and their needs.

*

******************************************************************************/

struct phone_except

{

        unsigned int dtmf_ready:1;

        unsigned int hookstate:1;

        unsigned int pstn_ring:1;

        unsigned int caller_id:1;

        unsigned int pstn_wink:1;

        unsigned int f0:1;

        unsigned int f1:1;

        unsigned int f2:1;

        unsigned int f3:1;

        unsigned int flash:1;

        unsigned int fc0:1;

        unsigned int fc1:1;

        unsigned int fc2:1;

        unsigned int fc3:1;

        unsigned int reserved:18;

};

union telephony_exception {

        struct phone_except bits;

        unsigned int bytes;

};

#endif          /* TELEPHONY_H */