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#ifndef __LINUX_IXJUSER_H
#define __LINUX_IXJUSER_H

/******************************************************************************
 *
 *    ixjuser.h
 *
 * Device Driver for Quicknet Technologies, Inc.'s Telephony cards
 * including the Internet PhoneJACK, Internet PhoneJACK Lite,
 * Internet PhoneJACK PCI, Internet LineJACK, Internet PhoneCARD and
 * SmartCABLE
 *
 *    (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.
 *
 * Author:          Ed Okerson, <eokerson@quicknet.net>
 *    
 * Contributors:    Greg Herlein, <gherlein@quicknet.net>
 *                  David W. Erhart, <derhart@quicknet.net>
 *                  John Sellers, <jsellers@quicknet.net>
 *                  Mike Preston, <mpreston@quicknet.net>
 *
 * More information about the hardware related to this driver can be found
 * at our website:    http://www.quicknet.net
 *
 * Fixes:
 *
 * 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.
 *
 *****************************************************************************/

#include <linux/telephony.h>


/******************************************************************************
*
* IOCTL's used for the Quicknet Telephony Cards
*
* If you use the IXJCTL_TESTRAM command, the card must be power cycled to
* reset the SRAM values before futher use.
*
******************************************************************************/

#define IXJCTL_DSP_RESET 		_IO  ('q', 0xC0)

#define IXJCTL_RING                     PHONE_RING
#define IXJCTL_HOOKSTATE                PHONE_HOOKSTATE
#define IXJCTL_MAXRINGS			PHONE_MAXRINGS
#define IXJCTL_RING_CADENCE		PHONE_RING_CADENCE
#define IXJCTL_RING_START		PHONE_RING_START
#define IXJCTL_RING_STOP		PHONE_RING_STOP

#define IXJCTL_CARDTYPE			_IOR ('q', 0xC1, int)
#define IXJCTL_SERIAL			_IOR ('q', 0xC2, int)
#define IXJCTL_DSP_TYPE                 _IOR ('q', 0xC3, int)
#define IXJCTL_DSP_VERSION              _IOR ('q', 0xC4, int)
#define IXJCTL_VERSION              	_IOR ('q', 0xDA, char *)
#define IXJCTL_DSP_IDLE			_IO  ('q', 0xC5)
#define IXJCTL_TESTRAM			_IO  ('q', 0xC6)

/******************************************************************************
*
* This group of IOCTLs deal with the record settings of the DSP
*
* The IXJCTL_REC_DEPTH command sets the internal buffer depth of the DSP.
* Setting a lower depth reduces latency, but increases the demand of the
* application to service the driver without frame loss.  The DSP has 480
* bytes of physical buffer memory for the record channel so the true
* maximum limit is determined by how many frames will fit in the buffer.
*
* 1 uncompressed (480 byte) 16-bit linear frame.
* 2 uncompressed (240 byte) 8-bit A-law/mu-law frames.
* 15 TrueSpeech 8.5 frames.
* 20 TrueSpeech 6.3,5.3,4.8 or 4.1 frames.
*
* The default in the driver is currently set to 2 frames.
*
* The IXJCTL_REC_VOLUME and IXJCTL_PLAY_VOLUME commands both use a Q8
* number as a parameter, 0x100 scales the signal by 1.0, 0x200 scales the
* signal by 2.0, 0x80 scales the signal by 0.5.  No protection is given
* against over-scaling, if the multiplication factor times the input
* signal exceeds 16 bits, overflow distortion will occur.  The default
* setting is 0x100 (1.0).
*
* The IXJCTL_REC_LEVEL returns the average signal level (not r.m.s.) on
* the most recently recorded frame as a 16 bit value.
******************************************************************************/

#define IXJCTL_REC_CODEC                PHONE_REC_CODEC
#define IXJCTL_REC_START                PHONE_REC_START
#define IXJCTL_REC_STOP                 PHONE_REC_STOP
#define IXJCTL_REC_DEPTH		PHONE_REC_DEPTH
#define IXJCTL_FRAME			PHONE_FRAME
#define IXJCTL_REC_VOLUME		PHONE_REC_VOLUME
#define IXJCTL_REC_LEVEL		PHONE_REC_LEVEL

typedef enum {
	f300_640 = 4, f300_500, f1100, f350, f400, f480, f440, f620, f20_50,
	f133_200, f300, f300_420, f330, f300_425, f330_440, f340, f350_400,
	f350_440, f350_450, f360, f380_420, f392, f400_425, f400_440, f400_450,
	f420, f425, f425_450, f425_475, f435, f440_450, f440_480, f445, f450,
	f452, f475, f480_620, f494, f500, f520, f523, f525, f540_660, f587,
	f590, f600, f660, f700, f740, f750, f750_1450, f770, f800, f816, f850,
	f857_1645, f900, f900_1300, f935_1215, f941_1477, f942, f950, f950_1400,
	f975, f1000, f1020, f1050, f1100_1750, f1140, f1200, f1209, f1330, f1336,
	lf1366, f1380, f1400, f1477, f1600, f1633_1638, f1800, f1860
} IXJ_FILTER_FREQ;

typedef struct {
	unsigned int filter;
	IXJ_FILTER_FREQ freq;
	char enable;
} IXJ_FILTER;

typedef struct {
	char enable;
	char en_filter;
	unsigned int filter;
	unsigned int on1;
	unsigned int off1;
	unsigned int on2;
	unsigned int off2;
	unsigned int on3;
	unsigned int off3;
} IXJ_FILTER_CADENCE;

#define IXJCTL_SET_FILTER		_IOW ('q', 0xC7, IXJ_FILTER *)
#define IXJCTL_SET_FILTER_RAW		_IOW ('q', 0xDD, IXJ_FILTER_RAW *)
#define IXJCTL_GET_FILTER_HIST		_IOW ('q', 0xC8, int)
#define IXJCTL_FILTER_CADENCE		_IOW ('q', 0xD6, IXJ_FILTER_CADENCE *)
#define IXJCTL_PLAY_CID			_IO  ('q', 0xD7)
/******************************************************************************
*
* This IOCTL allows you to reassign values in the tone index table.  The
* tone table has 32 entries (0 - 31), but the driver only allows entries
* 13 - 27 to be modified, entry 0 is reserved for silence and 1 - 12 are
* the standard DTMF digits and 28 - 31 are the DTMF tones for A, B, C & D.
* The positions used internally for Call Progress Tones are as follows:
*    Dial Tone   - 25
*    Ring Back   - 26
*    Busy Signal - 27
*
* The freq values are calculated as:
* freq = cos(2 * PI * frequency / 8000)
*
* The most commonly needed values are already calculated and listed in the
* enum IXJ_TONE_FREQ.  Each tone index can have two frequencies with
* different gains, if you are only using a single frequency set the unused
* one to 0.
*
* The gain values range from 0 to 15 indicating +6dB to -24dB in 2dB
* increments.
*
******************************************************************************/

typedef enum {
	hz20 = 0x7ffa,
	hz50 = 0x7fe5,
	hz133 = 0x7f4c,
	hz200 = 0x7e6b,
	hz261 = 0x7d50,		/* .63 C1  */
	hz277 = 0x7cfa,		/* .18 CS1 */
	hz293 = 0x7c9f,		/* .66 D1  */
	hz300 = 0x7c75,
	hz311 = 0x7c32,		/* .13 DS1 */
	hz329 = 0x7bbf,		/* .63 E1  */
	hz330 = 0x7bb8,
	hz340 = 0x7b75,
	hz349 = 0x7b37,		/* .23 F1  */
	hz350 = 0x7b30,
	hz360 = 0x7ae9,
	hz369 = 0x7aa8,		/* .99 FS1 */
	hz380 = 0x7a56,
	hz392 = 0x79fa,		/* .00 G1  */
	hz400 = 0x79bb,
	hz415 = 0x7941,		/* .30 GS1 */
	hz420 = 0x7918,
	hz425 = 0x78ee,
	hz435 = 0x7899,
	hz440 = 0x786d,		/* .00 A1  */
	hz445 = 0x7842,
	hz450 = 0x7815,
	hz452 = 0x7803,
	hz466 = 0x7784,		/* .16 AS1 */
	hz475 = 0x7731,
	hz480 = 0x7701,
	hz493 = 0x7685,		/* .88 B1  */
	hz494 = 0x767b,
	hz500 = 0x7640,
	hz520 = 0x7578,
	hz523 = 0x7559,		/* .25 C2  */
	hz525 = 0x7544,
	hz540 = 0x74a7,
	hz554 = 0x7411,		/* .37 CS2 */
	hz587 = 0x72a1,		/* .33 D2  */
	hz590 = 0x727f,
	hz600 = 0x720b,
	hz620 = 0x711e,
	hz622 = 0x7106,		/* .25 DS2 */
	hz659 = 0x6f3b,		/* .26 E2  */
	hz660 = 0x6f2e,
	hz698 = 0x6d3d,		/* .46 F2  */
	hz700 = 0x6d22,
	hz739 = 0x6b09,		/* .99 FS2 */
	hz740 = 0x6afa,
	hz750 = 0x6a6c,
	hz770 = 0x694b,
	hz783 = 0x688b,		/* .99 G2  */
	hz800 = 0x678d,
	hz816 = 0x6698,
	hz830 = 0x65bf,		/* .61 GS2 */
	hz850 = 0x6484,
	hz857 = 0x6414,
	hz880 = 0x629f,		/* .00 A2  */
	hz900 = 0x6154,
	hz932 = 0x5f35,		/* .33 AS2 */
	hz935 = 0x5f01,
	hz941 = 0x5e9a,
	hz942 = 0x5e88,
	hz950 = 0x5dfd,
	hz975 = 0x5c44,
	hz1000 = 0x5a81,
	hz1020 = 0x5912,
	hz1050 = 0x56e2,
	hz1100 = 0x5320,
	hz1140 = 0x5007,
	hz1200 = 0x4b3b,
	hz1209 = 0x4a80,
	hz1215 = 0x4a02,
	hz1250 = 0x471c,
	hz1300 = 0x42e0,
	hz1330 = 0x4049,
	hz1336 = 0x3fc4,
	hz1366 = 0x3d22,
	hz1380 = 0x3be4,
	hz1400 = 0x3a1b,
	hz1450 = 0x3596,
	hz1477 = 0x331c,
	hz1500 = 0x30fb,
	hz1600 = 0x278d,
	hz1633 = 0x2462,
	hz1638 = 0x23e7,
	hz1645 = 0x233a,
	hz1750 = 0x18f8,
	hz1800 = 0x1405,
	hz1860 = 0xe0b,
	hz2100 = 0xf5f6,
	hz2130 = 0xf2f5,
	hz2450 = 0xd3b3,
	hz2750 = 0xb8e4
} IXJ_FREQ;

typedef enum {