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Diffstat (limited to 'pfinet/linux-src/include/linux/ixjuser.h')
| -rw-r--r-- | pfinet/linux-src/include/linux/ixjuser.h | 629 |
1 files changed, 629 insertions, 0 deletions
diff --git a/pfinet/linux-src/include/linux/ixjuser.h b/pfinet/linux-src/include/linux/ixjuser.h new file mode 100644 index 00000000..a7019533 --- /dev/null +++ b/pfinet/linux-src/include/linux/ixjuser.h @@ -0,0 +1,629 @@ +/* + * ixjuser.h + * + * User-space include file for the Internet PhoneJACK and + * Internet LineJACK Telephony Cards. + * + * (c) Copyright 1999 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: + */ + +static char ixjuser_h_rcsid[] = "$Id: ixjuser.h,v 3.4 1999/12/16 22:18:36 root Exp root $"; + +#include <linux/telephony.h> + +/*************************************************************************** + + 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_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; + +#define IXJCTL_SET_FILTER _IOW ('q', 0xC7, IXJ_FILTER *) +#define IXJCTL_GET_FILTER_HIST _IOW ('q', 0xC8, int) +/****************************************************************************** +* +* 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, + hz2450 = 0xd3b3 +} IXJ_FREQ; + +typedef enum { + C1 = hz261, + CS1 = hz277, + D1 = hz293, + DS1 = hz311, + E1 = hz329, + F1 = hz349, + FS1 = hz369, + G1 = hz392, + GS1 = hz415, + A1 = hz440, + AS1 = hz466, + B1 = hz493, + C2 = hz523, + CS2 = hz554, + D2 = hz587, + DS2 = hz622, + E2 = hz659, + F2 = hz698, + FS2 = hz739, + G2 = hz783, + GS2 = hz830, + A2 = hz880, + AS2 = hz932, +} IXJ_NOTE; + +typedef struct { + int tone_index; + int freq0; + int gain0; + int freq1; + int gain1; +} IXJ_TONE; + +#define IXJCTL_INIT_TONE _IOW ('q', 0xC9, IXJ_TONE *) + +/****************************************************************************** +* +* The IXJCTL_TONE_CADENCE ioctl defines tone sequences used for various +* Call Progress Tones (CPT). This is accomplished by setting up an array of +* IXJ_CADENCE_ELEMENT structures that sequentially define the states of +* the tone sequence. The tone_on_time and tone_off time are in +* 250 microsecond intervals. A pointer to this array is passed to the +* driver as the ce element of an IXJ_CADENCE structure. The elements_used +* must be set to the number of IXJ_CADENCE_ELEMENTS in the array. The +* termination variable defines what to do at the end of a cadence, the +* options are to play the cadence once and stop, to repeat the last +* element of the cadence indefinatly, or to repeat the entire cadence +* indefinatly. The ce variable is a pointer to the array of IXJ_TONE +* structures. If the freq0 variable is non-zero, the tone table contents +* for the tone_index are updated to the frequencies and gains defined. It +* should be noted that DTMF tones cannot be reassigned, so if DTMF tone +* table indexs are used in a cadence the frequency and gain variables will +* be ignored. +* +* If the array elements contain frequency parameters the driver will +* initialize the needed tone table elements and begin playing the tone, +* there is no preset limit on the number of elements in the cadence. If +* there is more than one frequency used in the cadence, sequential elements +* of different frequencies MUST use different tone table indexes. Only one +* cadence can be played at a time. It is possible to build complex +* cadences with multiple frequencies using 2 tone table indexes by +* alternating between them. +* +******************************************************************************/ + +typedef struct { + int index; + int tone_on_time; + int tone_off_time; + int freq0; + int gain0; + int freq1; + int gain1; +} IXJ_CADENCE_ELEMENT; + +typedef enum { + PLAY_ONCE, + REPEAT_LAST_ELEMENT, + REPEAT_ALL +} IXJ_CADENCE_TERM; + +typedef struct { + int elements_used; + IXJ_CADENCE_TERM termination; + IXJ_CADENCE_ELEMENT *ce; +} IXJ_CADENCE; + +#define IXJCTL_TONE_CADENCE _IOW ('q', 0xCA, IXJ_CADENCE *) +/****************************************************************************** +* +* This group of IOCTLs deal with the playback settings of the DSP +* +******************************************************************************/ + +#define IXJCTL_PLAY_CODEC PHONE_PLAY_CODEC +#define IXJCTL_PLAY_START PHONE_PLAY_START +#define IXJCTL_PLAY_STOP PHONE_PLAY_STOP +#define IXJCTL_PLAY_DEPTH PHONE_PLAY_DEPTH +#define IXJCTL_PLAY_VOLUME PHONE_PLAY_VOLUME +#define IXJCTL_PLAY_LEVEL PHONE_PLAY_LEVEL + +/****************************************************************************** +* +* This group of IOCTLs deal with the Acoustic Echo Cancellation settings +* of the DSP +* +* Issueing the IXJCTL_AEC_START command with a value of AEC_OFF has the +* same effect as IXJCTL_AEC_STOP. This is to simplify slider bar +* controls. IXJCTL_AEC_GET_LEVEL returns the current setting of the AEC. +******************************************************************************/ +#define IXJCTL_AEC_START _IOW ('q', 0xCB, int) +#define IXJCTL_AEC_STOP _IO ('q', 0xCC) +#define IXJCTL_AEC_GET_LEVEL _IO ('q', 0xCD) + +#define AEC_OFF 0 +#define AEC_LOW 1 +#define AEC_MED 2 +#define AEC_HIGH 3 +/****************************************************************************** +* +* Call Progress Tones, DTMF, etc. +* IXJCTL_DTMF_OOB determines if dtmf signaling is sent as Out-Of-Band +* only. If you pass a 1, dtmf is suppressed from the audio stream. +* Tone on and off times are in 250 microsecond intervals so +* ioctl(ixj1, IXJCTL_SET_TONE_ON_TIME, 360); +* will set the tone on time of board ixj1 to 360 * 250us = 90ms +* the default values of tone on and off times is 840 or 210ms +******************************************************************************/ + +#define IXJCTL_DTMF_READY PHONE_DTMF_READY +#define IXJCTL_GET_DTMF PHONE_GET_DTMF +#define IXJCTL_GET_DTMF_ASCII PHONE_GET_DTMF_ASCII +#define IXJCTL_DTMF_OOB PHONE_DTMF_OOB +#define IXJCTL_EXCEPTION PHONE_EXCEPTION +#define IXJCTL_PLAY_TONE PHONE_PLAY_TONE +#define IXJCTL_SET_TONE_ON_TIME PHONE_SET_TONE_ON_TIME +#define IXJCTL_SET_TONE_OFF_TIME PHONE_SET_TONE_OFF_TIME +#define IXJCTL_GET_TONE_ON_TIME PHONE_GET_TONE_ON_TIME +#define IXJCTL_GET_TONE_OFF_TIME PHONE_GET_TONE_OFF_TIME +#define IXJCTL_GET_TONE_STATE PHONE_GET_TONE_STATE +#define IXJCTL_BUSY PHONE_BUSY +#define IXJCTL_RINGBACK PHONE_RINGBACK +#define IXJCTL_DIALTONE PHONE_DIALTONE +#define IXJCTL_CPT_STOP PHONE_CPT_STOP + +/****************************************************************************** +* LineJack specific IOCTLs +* +* The lsb 4 bits of the LED argument represent the state of each of the 4 +* LED's on the LineJack +******************************************************************************/ + +#define IXJCTL_SET_LED _IOW ('q', 0xCE, int) +#define IXJCTL_MIXER _IOW ('q', 0xCF, int) + +/****************************************************************************** +* +* The master volume controls use attenuation with 32 levels from 0 to -62dB +* with steps of 2dB each, the defines should be OR'ed together then sent +* as the parameter to the mixer command to change the mixer settings. +* +******************************************************************************/ +#define MIXER_MASTER_L 0x0100 +#define MIXER_MASTER_R 0x0200 +#define ATT00DB 0x00 +#define ATT02DB 0x01 +#define ATT04DB 0x02 +#define ATT06DB 0x03 +#define ATT08DB 0x04 +#define ATT10DB 0x05 +#define ATT12DB 0x06 +#define ATT14DB 0x07 +#define ATT16DB 0x08 +#define ATT18DB 0x09 +#define ATT20DB 0x0A +#define ATT22DB 0x0B +#define ATT24DB 0x0C +#define ATT26DB 0x0D +#define ATT28DB 0x0E +#define ATT30DB 0x0F +#define ATT32DB 0x10 +#define ATT34DB 0x11 +#define ATT36DB 0x12 +#define ATT38DB 0x13 +#define ATT40DB 0x14 +#define ATT42DB 0x15 +#define ATT44DB 0x16 +#define ATT46DB 0x17 +#define ATT48DB 0x18 +#define ATT50DB 0x19 +#define ATT52DB 0x1A +#define ATT54DB 0x1B +#define ATT56DB 0x1C +#define ATT58DB 0x1D +#define ATT60DB 0x1E +#define ATT62DB 0x1F +#define MASTER_MUTE 0x80 + +/****************************************************************************** +* +* The input volume controls use gain with 32 levels from +12dB to -50dB +* with steps of 2dB each, the defines should be OR'ed together then sent +* as the parameter to the mixer command to change the mixer settings. +* +******************************************************************************/ +#define MIXER_PORT_CD_L 0x0600 +#define MIXER_PORT_CD_R 0x0700 +#define MIXER_PORT_LINE_IN_L 0x0800 +#define MIXER_PORT_LINE_IN_R 0x0900 +#define MIXER_PORT_POTS_REC 0x0C00 +#define MIXER_PORT_MIC 0x0E00 + +#define GAIN12DB 0x00 +#define GAIN10DB 0x01 +#define GAIN08DB 0x02 +#define GAIN06DB 0x03 +#define GAIN04DB 0x04 +#define GAIN02DB 0x05 +#define GAIN00DB 0x06 +#define GAIN_02DB 0x07 +#define GAIN_04DB 0x08 +#define GAIN_06DB 0x09 +#define GAIN_08DB 0x0A +#define GAIN_10DB 0x0B +#define GAIN_12DB 0x0C +#define GAIN_14DB 0x0D +#define GAIN_16DB 0x0E +#define GAIN_18DB 0x0F +#define GAIN_20DB 0x10 +#define GAIN_22DB 0x11 +#define GAIN_24DB 0x12 +#define GAIN_26DB 0x13 +#define GAIN_28DB 0x14 +#define GAIN_30DB 0x15 +#define GAIN_32DB 0x16 +#define GAIN_34DB 0x17 +#define GAIN_36DB 0x18 +#define GAIN_38DB 0x19 +#define GAIN_40DB 0x1A +#define GAIN_42DB 0x1B +#define GAIN_44DB 0x1C +#define GAIN_46DB 0x1D +#define GAIN_48DB 0x1E +#define GAIN_50DB 0x1F +#define INPUT_MUTE 0x80 + +/****************************************************************************** +* +* The POTS volume control use attenuation with 8 levels from 0dB to -28dB +* with steps of 4dB each, the defines should be OR'ed together then sent +* as the parameter to the mixer command to change the mixer settings. +* +******************************************************************************/ +#define MIXER_PORT_POTS_PLAY 0x0F00 + +#define POTS_ATT_00DB 0x00 +#define POTS_ATT_04DB 0x01 +#define POTS_ATT_08DB 0x02 +#define POTS_ATT_12DB 0x03 +#define POTS_ATT_16DB 0x04 +#define POTS_ATT_20DB 0x05 +#define POTS_ATT_24DB 0x06 +#define POTS_ATT_28DB 0x07 +#define POTS_MUTE 0x80 + +/****************************************************************************** +* +* The DAA controls the interface to the PSTN port. The driver loads the +* US coefficients by default, so if you live in a different country you +* need to load the set for your countries phone system. +* +******************************************************************************/ +#define IXJCTL_DAA_COEFF_SET _IOW ('q', 0xD0, int) + +#define DAA_US 1 //PITA 8kHz +#define DAA_UK 2 //ISAR34 8kHz +#define DAA_FRANCE 3 // +#define DAA_GERMANY 4 +#define DAA_AUSTRALIA 5 +#define DAA_JAPAN 6 + +/****************************************************************************** +* +* Use IXJCTL_PORT to set or query the port the card is set to. If the +* argument is set to PORT_QUERY, the return value of the ioctl will +* indicate which port is currently in use, otherwise it will change the +* port. +* +******************************************************************************/ +#define IXJCTL_PORT _IOW ('q', 0xD1, int) + +#define PORT_QUERY 0 +#define PORT_POTS 1 +#define PORT_PSTN 2 +#define PORT_SPEAKER 3 +#define PORT_HANDSET 4 + +#define IXJCTL_PSTN_SET_STATE PHONE_PSTN_SET_STATE +#define IXJCTL_PSTN_GET_STATE PHONE_PSTN_GET_STATE + +#define PSTN_ON_HOOK 0 +#define PSTN_RINGING 1 +#define PSTN_OFF_HOOK 2 +#define PSTN_PULSE_DIAL 3 + +/****************************************************************************** +* +* The DAA Analog GAIN sets 2 parameters at one time, the receive gain (AGRR), +* and the transmit gain (AGX). OR together the components and pass them +* as the parameter to IXJCTL_DAA_AGAIN. The default setting is both at 0dB. +* +******************************************************************************/ +#define IXJCTL_DAA_AGAIN _IOW ('q', 0xD2, int) + +#define AGRR00DB 0x00 // Analog gain in receive direction 0dB +#define AGRR3_5DB 0x10 // Analog gain in receive direction 3.5dB +#define AGRR06DB 0x30 // Analog gain in receive direction 6dB + +#define AGX00DB 0x00 // Analog gain in transmit direction 0dB +#define AGX_6DB 0x04 // Analog gain in transmit direction -6dB +#define AGX3_5DB 0x08 // Analog gain in transmit direction 3.5dB +#define AGX_2_5B 0x0C // Analog gain in transmit direction -2.5dB + +#define IXJCTL_PSTN_LINETEST _IO ('q', 0xD3) + +typedef struct { + char month[3]; + char day[3]; + char hour[3]; + char min[3]; + int numlen; + char number[11]; + int namelen; + char name[80]; +} IXJ_CID; + +#define IXJCTL_CID _IOR ('q', 0xD4, IXJ_CID *) +/****************************************************************************** +* +* 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 IXJCTL_WINK_DURATION PHONE_WINK_DURATION + +/****************************************************************************** +* +* This ioctl will connect the POTS port to the PSTN port on the LineJACK +* In order for this to work properly the port selection should be set to +* the PSTN port with IXJCTL_PORT prior to calling this ioctl. This will +* enable conference calls between PSTN callers and network callers. +* Passing a 1 to this ioctl enables the POTS<->PSTN connection while +* passing a 0 turns it back off. +* +******************************************************************************/ +#define IXJCTL_POTS_PSTN _IOW ('q', 0xD5, int) + +/****************************************************************************** +* +* IOCTLs added by request. +* +* IXJCTL_HZ sets the value your Linux kernel uses for HZ as defined in +* /usr/include/asm/param.h, this determines the fundamental +* frequency of the clock ticks on your Linux system. The kernel +* must be rebuilt if you change this value, also all modules you +* use (except this one) must be recompiled. The default value +* is 100, and you only need to use this IOCTL if you use some +* other value. +* +* +* IXJCTL_RATE sets the number of times per second that the driver polls +* the DSP. This value cannot be larger than HZ. By +* increasing both of these values, you may be able to reduce +* latency because the max hang time that can exist between the +* driver and the DSP will be reduced. +* +******************************************************************************/ + +#define IXJCTL_HZ _IOW ('q', 0xE0, int) +#define IXJCTL_RATE _IOW ('q', 0xE1, int) +#define IXJCTL_FRAMES_READ _IOR ('q', 0xE2, unsigned long) +#define IXJCTL_FRAMES_WRITTEN _IOR ('q', 0xE3, unsigned long) +#define IXJCTL_READ_WAIT _IOR ('q', 0xE4, unsigned long) +#define IXJCTL_WRITE_WAIT _IOR ('q', 0xE5, unsigned long) +#define IXJCTL_DRYBUFFER_READ _IOR ('q', 0xE6, unsigned long) +#define IXJCTL_DRYBUFFER_CLEAR _IO ('q', 0xE7) + +/****************************************************************************** +* +* The intercom IOCTL's short the output from one card to the input of the +* other and vice versa (actually done in the DSP read function). It is only +* necessary to execute the IOCTL on one card, but it is necessary to have +* both devices open to be able to detect hook switch changes. The record +* codec and rate of each card must match the playback codec and rate of +* the other card for this to work properly. +* +******************************************************************************/ + +#define IXJCTL_INTERCOM_START _IOW ('q', 0xFD, int) +#define IXJCTL_INTERCOM_STOP _IOW ('q', 0xFE, int) |