/****************************************************************************** $Id$ $Log$ Revision 1.11 1999/12/01 05:25:58 markster Version 0.1.10 from FTP Revision 1.1 1999/12/01 05:25:58 markster Start on the Internet Phone Jack channel Revision 3.0 1999/11/18 22:21:43 root Added isapnp kernel module support. Revision 2.5 1999/11/09 15:42:06 root Fixed convert code for older PhoneJACK cards. Fixed G723.1 5.3 record bug. Revision 2.4 1999/11/02 20:17:20 root Fixed hookswitch bug for PhoneJACK Added filter exception bit code. Revision 2.3 1999/11/01 23:22:02 root Added tone cadence generation. Fixed hookswitch detection when PORT != POTS Fixed ringing when PORT != POTS Revision 2.2 1999/10/13 05:33:31 root Added G.729A/B codec. Fixed G.728 codec. Revision 2.1 1999/10/11 19:29:46 root Enhanced PSTN ring detection Added Caller ID recognition Added wink detection Revision 2.0 1999/09/18 03:29:15 root Added PSTN Support Enhanced mixer functions Fixed LineJACK and PhoneJACK Lite not reporting second IO range in p/proc/ioports Added DSP Volume controls Revision 1.23 1999/08/16 16:37:27 root Added drybuffer ioctls Added card type ioctl Revision 1.22 1999/08/14 05:15:58 root Fixed select timeout problems. Was using the wrong wait queues. Revision 1.21 1999/08/04 22:53:43 root Added levels to AEC Revision 1.20 1999/07/28 20:32:23 root Added non-blocking rings Added ring cadence Revision 1.19 1999/07/14 21:08:10 root fixed rcsid Revision 1.18 1999/07/14 21:03:33 root added rcsid Revision 1.17 1999/07/12 20:20:00 root Continuing work on 20ms and 10ms linear modes. Revision 1.16 1999/07/09 19:13:50 root Added IXJCTL_RATE to set the rate the DSP is polled. Added 20ms and 10ms linear modes for LineJack and PhoneJack Lite. Revision 1.15 1999/07/08 02:21:20 root Async Notification on hookswitch changes. Added IXJ_EXCEPTION bitfield structure for select exception sets Added IXJCTL_DTMFASCII ioctl Revision 1.14 1999/07/06 23:20:52 root *** empty log message *** Revision 1.14 1999/07/06 21:48:38 root Fixed lockups in linear modes during write. Revision 1.13 1999/06/28 18:30:44 root Added buffer depth commands to reduce latency in compressed modes. Revision 1.12 1999/06/25 21:03:18 root Close device properly. Started Mixer code for LineJack Revision 1.11 1999/06/24 21:51:21 root bug fixes Revision 1.10 1999/06/17 18:23:16 root Added tone generation. Fixed LineJack hookswitch again. Revision 1.9 1999/06/09 14:18:15 root Fixed duplicate IOCTL numbers Revision 1.8 1999/06/09 14:13:29 root Added DTMF Recognition with Async Notification Revision 1.7 1999/06/03 16:50:43 root Added IXJCTL_HZ to allow changing the HZ value the driver uses. Revision 1.6 1999/05/31 17:56:07 root All linear modes now work properly. Revision 1.5 1999/05/25 14:05:44 root Added multiple codec selections. Revision 1.4 1999/04/28 03:43:52 root More work on echo cancellation Revision 1.3 1999/04/27 17:17:12 root added AEC Revision 1.2 1999/04/22 11:43:52 root Fixed stability problems Revision 1.1 1999/03/25 21:52:42 root Initial revision * * IOCTL's used for the Quicknet Cards * * If you use the IXJCTL_TESTRAM command, the card must be power cycled to * reset the SRAM values before futher use. * ******************************************************************************/ static char ixjuser_h_rcsid[] = "$Id$"; #define IXJCTL_DSP_RESET _IO ('q', 0x80) #define IXJCTL_RING _IO ('q', 0x82) #define IXJCTL_HOOKSTATE _IO ('q', 0x83) #define IXJCTL_MAXRINGS _IOW ('q', 0x84, char) #define IXJCTL_RING_CADENCE _IOW ('q', 0x85, short) #define IXJCTL_RING_START _IO ('q', 0x86) #define IXJCTL_RING_STOP _IO ('q', 0x87) #define IXJCTL_CARDTYPE _IOR ('q', 0x88, int) #define IXJCTL_DSP_TYPE _IOR ('q', 0x8C, int) #define IXJCTL_DSP_VERSION _IOR ('q', 0x8D, int) #define IXJCTL_DSP_IDLE _IO ('q', 0x8E) #define IXJCTL_TESTRAM _IO ('q', 0x8F) /****************************************************************************** * * 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 _IOW ('q', 0x90, int) #define IXJCTL_REC_START _IO ('q', 0x92) #define IXJCTL_REC_STOP _IO ('q', 0x93) #define IXJCTL_REC_DEPTH _IOW ('q', 0x94, int) #define IXJCTL_FRAME _IOW ('q', 0x95, int) #define IXJCTL_REC_VOLUME _IOW ('q', 0x96, int) #define IXJCTL_REC_LEVEL _IO ('q', 0x97) 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', 0x98, IXJ_FILTER *) #define IXJCTL_GET_FILTER_HIST _IOW ('q', 0x9B, 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', 0x99, 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', 0x9A, IXJ_CADENCE *) /****************************************************************************** * * This group of IOCTLs deal with the playback settings of the DSP * ******************************************************************************/ #define IXJCTL_PLAY_CODEC _IOW ('q', 0xA0, int) #define IXJCTL_PLAY_START _IO ('q', 0xA2) #define IXJCTL_PLAY_STOP _IO ('q', 0xA3) #define IXJCTL_PLAY_DEPTH _IOW ('q', 0xA4, int) #define IXJCTL_PLAY_VOLUME _IOW ('q', 0xA5, int) #define IXJCTL_PLAY_LEVEL _IO ('q', 0xA6) /****************************************************************************** * * 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. ******************************************************************************/ #define IXJCTL_AEC_START _IOW ('q', 0xB0, int) #define IXJCTL_AEC_STOP _IO ('q', 0xB1) #define AEC_OFF 0 #define AEC_LOW 1 #define AEC_MED 2 #define AEC_HIGH 3 /****************************************************************************** * * Call Progress Tones, DTMF, etc. * 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 _IOR ('q', 0xC0, int) #define IXJCTL_GET_DTMF _IOR ('q', 0xC1, int) #define IXJCTL_GET_DTMF_ASCII _IOR ('q', 0xC2, int) #define IXJCTL_EXCEPTION _IOR ('q', 0xC4, int) #define IXJCTL_PLAY_TONE _IOW ('q', 0xC6, char) #define IXJCTL_SET_TONE_ON_TIME _IOW ('q', 0xC7, int) #define IXJCTL_SET_TONE_OFF_TIME _IOW ('q', 0xC8, int) #define IXJCTL_GET_TONE_ON_TIME _IO ('q', 0xC9) #define IXJCTL_GET_TONE_OFF_TIME _IO ('q', 0xCA) #define IXJCTL_GET_TONE_STATE _IO ('q', 0xCB) #define IXJCTL_BUSY _IO ('q', 0xCC) #define IXJCTL_RINGBACK _IO ('q', 0xCD) #define IXJCTL_DIALTONE _IO ('q', 0xCE) // This IOCTL replaced both IXJCTL_BUSY_STOP and IXJCTL_RINGBACK_STOP and // should be used from now on to stop all Call Progress Tones. It will // actually abort any tone, regardless of time left in the tone_on_time // and tone_off_time counters. #define IXJCTL_CPT_STOP _IO ('q', 0xCF) /****************************************************************************** * 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', 0xD0, int) #define IXJCTL_MIXER _IOW ('q', 0xD1, 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', 0xD2, 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', 0xD3, 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 _IOW ('q', 0xD4, int) #define IXJCTL_PSTN_GET_STATE _IO ('q', 0xD5) #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 recieve 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', 0xD6, int) #define AGRR00DB 0x00 // Analog gain in recieve direction 0dB #define AGRR3_5DB 0x10 // Analog gain in recieve direction 3.5dB #define AGRR06DB 0x30 // Analog gain in recieve 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', 0xD7) 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', 0xD8, 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 _IOW ('q', 0xD9, int) /****************************************************************************** * * 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', 0xDA, 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 defined CODECs that can be used with the IXJCTL_REC_CODEC and * IXJ_PLAY_CODEC IOCTLs. * * PCM uLaw mode is a "pass through" mode. * * 16 bit linear data is signed integer (2's complement form), positive * full scale is 7FFFH, negative full scale is 8000H, zero is 0000H * * 8 bit linear data is signed byte (2's complement form), positive * full scale is 7FH, negative full scale is 80H, zero is 00H * * 8 bit linear WSS data is unsigned byte, positive full scale is FFH, * negative full scale is 00H, zero is 80H. This is the format used for * 8-bit WAVE format data (Windows Sound System). Data can be converted * between the two 8-bit formats by simply inverting the ms bit. * * G729 currently works most reliably with 10ms frames. Use 20ms and 30ms * at your own risk. If you really need larger frame sizes you can * concatenate multiple 10ms frames. * ******************************************************************************/ typedef enum{ // Bytes per 30ms audio frame G723_63 = 1, // 24 G723_53 = 2, // 20 TS85 = 3, // 32 Does not currently work on LineJack TS48 = 4, // 18 TS41 = 5, // 16 G728 = 6, // 96 LineJack only! G729 = 7, // 30 LineJack only! ULAW = 8, // 240 ALAW = 9, // 240 not implemented DO NOT USE! LINEAR16= 10, // 480 LINEAR8 = 11, // 240 WSS = 12 // 240 }IXJ_CODEC; /****************************************************************************** * * 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) /****************************************************************************** * * This IOCTL will decrement the module usage counter so you can force * the module to unload after a program bombs. * ******************************************************************************/ #define IXJCTL_MODRESET _IO ('q', 0xFF) /****************************************************************************** * * Various Defines used for the Quicknet Cards * ******************************************************************************/ #define SYNC_MODE_CODEC 0 #define SYNC_MODE_DATA 1 #define SYNC_MODE_POLL 2 #define SYNC_MODE_HOST 3 #define RECORD_SYNC_MODE 0x5100 #define PLAYBACK_SYNC_MODE 0x5200 #define USA_RING_CADENCE 0xC0C0 /****************************************************************************** * * 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 * recieved and is available. The pstn_wink bit indicates that the DAA on * the LineJACK has recieved 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. * ******************************************************************************/ typedef struct { 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 reserved:23; }IXJ_EXCEPT; typedef union { IXJ_EXCEPT bits; unsigned int bytes; }IXJ_EXCEPTION;