1 /****************************************************************************
4 * Device Driver for Quicknet Technologies, Inc.'s Telephony cards
5 * including the Internet PhoneJACK, Internet PhoneJACK Lite,
6 * Internet PhoneJACK PCI, Internet LineJACK, Internet PhoneCARD and
9 * (c) Copyright 1999-2001 Quicknet Technologies, Inc.
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version
14 * 2 of the License, or (at your option) any later version.
16 * Author: Ed Okerson, <eokerson@quicknet.net>
18 * Contributors: Greg Herlein, <gherlein@quicknet.net>
19 * David W. Erhart, <derhart@quicknet.net>
20 * John Sellers, <jsellers@quicknet.net>
21 * Mike Preston, <mpreston@quicknet.net>
23 * Fixes: David Huggins-Daines, <dhd@cepstral.com>
24 * Fabio Ferrari, <fabio.ferrari@digitro.com.br>
25 * Artis Kugevics, <artis@mt.lv>
26 * Daniele Bellucci, <bellucda@tiscali.it>
28 * More information about the hardware related to this driver can be found
29 * at our website: http://www.quicknet.net
31 * IN NO EVENT SHALL QUICKNET TECHNOLOGIES, INC. BE LIABLE TO ANY PARTY FOR
32 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
33 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF QUICKNET
34 * TECHNOLOGIES, INC. HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 * QUICKNET TECHNOLOGIES, INC. SPECIFICALLY DISCLAIMS ANY WARRANTIES,
37 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
38 * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
39 * ON AN "AS IS" BASIS, AND QUICKNET TECHNOLOGIES, INC. HAS NO OBLIGATION
40 * TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
42 ***************************************************************************/
45 * Revision 4.8 2003/07/09 19:39:00 Daniele Bellucci
46 * Audit some copy_*_user and minor cleanup.
48 * Revision 4.7 2001/08/13 06:19:33 craigs
49 * Added additional changes from Alan Cox and John Anderson for
50 * 2.2 to 2.4 cleanup and bounds checking
52 * Revision 4.6 2001/08/13 01:05:05 craigs
53 * Really fixed PHONE_QUERY_CODEC problem this time
55 * Revision 4.5 2001/08/13 00:11:03 craigs
56 * Fixed problem in handling of PHONE_QUERY_CODEC, thanks to Shane Anderson
58 * Revision 4.4 2001/08/07 07:58:12 craigs
59 * Changed back to three digit version numbers
60 * Added tagbuild target to allow automatic and easy tagging of versions
62 * Revision 4.3 2001/08/07 07:24:47 craigs
63 * Added ixj-ver.h to allow easy configuration management of driver
64 * Added display of version number in /prox/ixj
66 * Revision 4.2 2001/08/06 07:07:19 craigs
67 * Reverted IXJCTL_DSP_TYPE and IXJCTL_DSP_VERSION files to original
68 * behaviour of returning int rather than short *
70 * Revision 4.1 2001/08/05 00:17:37 craigs
71 * More changes for correct PCMCIA installation
72 * Start of changes for backward Linux compatibility
74 * Revision 4.0 2001/08/04 12:33:12 craigs
75 * New version using GNU autoconf
77 * Revision 3.105 2001/07/20 23:14:32 eokerson
78 * More work on CallerID generation when using ring cadences.
80 * Revision 3.104 2001/07/06 01:33:55 eokerson
81 * Some bugfixes from Robert Vojta <vojta@ipex.cz> and a few mods to the Makefile.
83 * Revision 3.103 2001/07/05 19:20:16 eokerson
85 * Changed mic gain to 30dB on Internet LineJACK mic/speaker port.
87 * Revision 3.102 2001/07/03 23:51:21 eokerson
88 * Un-mute mic on Internet LineJACK when in speakerphone mode.
90 * Revision 3.101 2001/07/02 19:26:56 eokerson
91 * Removed initialiazation of ixjdebug and ixj_convert_loaded so they will go in the .bss instead of the .data
93 * Revision 3.100 2001/07/02 19:18:27 eokerson
94 * Changed driver to make dynamic allocation possible. We now pass IXJ * between functions instead of array indexes.
95 * Fixed the way the POTS and PSTN ports interact during a PSTN call to allow local answering.
96 * Fixed speaker mode on Internet LineJACK.
98 * Revision 3.99 2001/05/09 14:11:16 eokerson
99 * Fixed kmalloc error in ixj_build_filter_cadence. Thanks David Chan <cat@waulogy.stanford.edu>.
101 * Revision 3.98 2001/05/08 19:55:33 eokerson
102 * Fixed POTS hookstate detection while it is connected to PSTN port.
104 * Revision 3.97 2001/05/08 00:01:04 eokerson
105 * Fixed kernel oops when sending caller ID data.
107 * Revision 3.96 2001/05/04 23:09:30 eokerson
108 * Now uses one kernel timer for each card, instead of one for the entire driver.
110 * Revision 3.95 2001/04/25 22:06:47 eokerson
111 * Fixed squawking at beginning of some G.723.1 calls.
113 * Revision 3.94 2001/04/03 23:42:00 eokerson
114 * Added linear volume ioctls
115 * Added raw filter load ioctl
117 * Revision 3.93 2001/02/27 01:00:06 eokerson
118 * Fixed blocking in CallerID.
119 * Reduced size of ixj structure for smaller driver footprint.
121 * Revision 3.92 2001/02/20 22:02:59 eokerson
122 * Fixed isapnp and pcmcia module compatibility for 2.4.x kernels.
123 * Improved PSTN ring detection.
124 * Fixed wink generation on POTS ports.
126 * Revision 3.91 2001/02/13 00:55:44 eokerson
127 * Turn AEC back on after changing frame sizes.
129 * Revision 3.90 2001/02/12 16:42:00 eokerson
130 * Added ALAW codec, thanks to Fabio Ferrari for the table based converters to make ALAW from ULAW.
132 * Revision 3.89 2001/02/12 15:41:16 eokerson
133 * Fix from Artis Kugevics - Tone gains were not being set correctly.
135 * Revision 3.88 2001/02/05 23:25:42 eokerson
136 * Fixed lockup bugs with deregister.
138 * Revision 3.87 2001/01/29 21:00:39 eokerson
139 * Fix from Fabio Ferrari <fabio.ferrari@digitro.com.br> to properly handle EAGAIN and EINTR during non-blocking write.
140 * Updated copyright date.
142 * Revision 3.86 2001/01/23 23:53:46 eokerson
143 * Fixes to G.729 compatibility.
145 * Revision 3.85 2001/01/23 21:30:36 eokerson
146 * Added verbage about cards supported.
147 * Removed commands that put the card in low power mode at some times that it should not be in low power mode.
149 * Revision 3.84 2001/01/22 23:32:10 eokerson
150 * Some bugfixes from David Huggins-Daines, <dhd@cepstral.com> and other cleanups.
152 * Revision 3.83 2001/01/19 14:51:41 eokerson
153 * Fixed ixj_WriteDSPCommand to decrement usage counter when command fails.
155 * Revision 3.82 2001/01/19 00:34:49 eokerson
156 * Added verbosity to write overlap errors.
158 * Revision 3.81 2001/01/18 23:56:54 eokerson
159 * Fixed PSTN line test functions.
161 * Revision 3.80 2001/01/18 22:29:27 eokerson
162 * Updated AEC/AGC values for different cards.
164 * Revision 3.79 2001/01/17 02:58:54 eokerson
165 * Fixed AEC reset after Caller ID.
166 * Fixed Codec lockup after Caller ID on Call Waiting when not using 30ms frames.
168 * Revision 3.78 2001/01/16 19:43:09 eokerson
169 * Added support for Linux 2.4.x kernels.
171 * Revision 3.77 2001/01/09 04:00:52 eokerson
172 * Linetest will now test the line, even if it has previously succeeded.
174 * Revision 3.76 2001/01/08 19:27:00 eokerson
175 * Fixed problem with standard cable on Internet PhoneCARD.
177 * Revision 3.75 2000/12/22 16:52:14 eokerson
178 * Modified to allow hookstate detection on the POTS port when the PSTN port is selected.
180 * Revision 3.74 2000/12/08 22:41:50 eokerson
181 * Added capability for G729B.
183 * Revision 3.73 2000/12/07 23:35:16 eokerson
184 * Added capability to have different ring pattern before CallerID data.
185 * Added hookstate checks in CallerID routines to stop FSK.
187 * Revision 3.72 2000/12/06 19:31:31 eokerson
188 * Modified signal behavior to only send one signal per event.
190 * Revision 3.71 2000/12/06 03:23:08 eokerson
191 * Fixed CallerID on Call Waiting.
193 * Revision 3.70 2000/12/04 21:29:37 eokerson
194 * Added checking to Smart Cable gain functions.
196 * Revision 3.69 2000/12/04 21:05:20 eokerson
197 * Changed ixjdebug levels.
198 * Added ioctls to change gains in Internet Phone CARD Smart Cable.
200 * Revision 3.68 2000/12/04 00:17:21 craigs
201 * Changed mixer voice gain to +6dB rather than 0dB
203 * Revision 3.67 2000/11/30 21:25:51 eokerson
204 * Fixed write signal errors.
206 * Revision 3.66 2000/11/29 22:42:44 eokerson
207 * Fixed PSTN ring detect problems.
209 * Revision 3.65 2000/11/29 07:31:55 craigs
210 * Added new 425Hz filter co-efficients
211 * Added card-specific DTMF prescaler initialisation
213 * Revision 3.64 2000/11/28 14:03:32 craigs
214 * Changed certain mixer initialisations to be 0dB rather than 12dB
215 * Added additional information to /proc/ixj
217 * Revision 3.63 2000/11/28 11:38:41 craigs
218 * Added display of AEC modes in AUTO and AGC mode
220 * Revision 3.62 2000/11/28 04:05:44 eokerson
221 * Improved PSTN ring detection routine.
223 * Revision 3.61 2000/11/27 21:53:12 eokerson
224 * Fixed flash detection.
226 * Revision 3.60 2000/11/27 15:57:29 eokerson
227 * More work on G.729 load routines.
229 * Revision 3.59 2000/11/25 21:55:12 eokerson
230 * Fixed errors in G.729 load routine.
232 * Revision 3.58 2000/11/25 04:08:29 eokerson
233 * Added board locks around G.729 and TS85 load routines.
235 * Revision 3.57 2000/11/24 05:35:17 craigs
236 * Added ability to retrieve mixer values on LineJACK
237 * Added complete initialisation of all mixer values at startup
238 * Fixed spelling mistake
240 * Revision 3.56 2000/11/23 02:52:11 robertj
241 * Added cvs change log keyword.
242 * Fixed bug in capabilities list when using G.729 module.
248 #define PERFMON_STATS
252 #include <linux/module.h>
254 #include <linux/init.h>
255 #include <linux/sched.h>
256 #include <linux/kernel.h> /* printk() */
257 #include <linux/fs.h> /* everything... */
258 #include <linux/errno.h> /* error codes */
259 #include <linux/slab.h>
260 #include <linux/mutex.h>
261 #include <linux/mm.h>
262 #include <linux/ioport.h>
263 #include <linux/interrupt.h>
264 #include <linux/proc_fs.h>
265 #include <linux/poll.h>
266 #include <linux/timer.h>
267 #include <linux/delay.h>
268 #include <linux/pci.h>
271 #include <asm/uaccess.h>
273 #include <linux/isapnp.h>
277 #define TYPE(inode) (iminor(inode) >> 4)
278 #define NUM(inode) (iminor(inode) & 0xf)
280 static DEFINE_MUTEX(ixj_mutex);
282 static int hertz = HZ;
283 static int samplerate = 100;
285 module_param(ixjdebug, int, 0);
287 static DEFINE_PCI_DEVICE_TABLE(ixj_pci_tbl) = {
288 { PCI_VENDOR_ID_QUICKNET, PCI_DEVICE_ID_QUICKNET_XJ,
289 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
292 MODULE_DEVICE_TABLE(pci, ixj_pci_tbl);
294 /************************************************************************
296 * ixjdebug meanings are now bit mapped instead of level based
297 * Values can be or'ed together to turn on multiple messages
299 * bit 0 (0x0001) = any failure
300 * bit 1 (0x0002) = general messages
301 * bit 2 (0x0004) = POTS ringing related
302 * bit 3 (0x0008) = PSTN events
303 * bit 4 (0x0010) = PSTN Cadence state details
304 * bit 5 (0x0020) = Tone detection triggers
305 * bit 6 (0x0040) = Tone detection cadence details
306 * bit 7 (0x0080) = ioctl tracking
307 * bit 8 (0x0100) = signal tracking
308 * bit 9 (0x0200) = CallerID generation details
310 ************************************************************************/
314 static IXJ *ixj[IXJMAX];
315 #define get_ixj(b) ixj[(b)]
318 * Allocate a free IXJ device
321 static IXJ *ixj_alloc()
323 for(cnt=0; cnt<IXJMAX; cnt++)
325 if(ixj[cnt] == NULL || !ixj[cnt]->DSPbase)
327 j = kmalloc(sizeof(IXJ), GFP_KERNEL);
337 static void ixj_fsk_free(IXJ *j)
343 static void ixj_fsk_alloc(IXJ *j)
346 j->fskdata = kmalloc(8000, GFP_KERNEL);
348 if(ixjdebug & 0x0200) {
349 printk("IXJ phone%d - allocate failed\n", j->board);
354 if(ixjdebug & 0x0200) {
355 printk("IXJ phone%d - allocate succeeded\n", j->board);
363 static IXJ ixj[IXJMAX];
364 #define get_ixj(b) (&ixj[(b)])
367 * Allocate a free IXJ device
370 static IXJ *ixj_alloc(void)
373 for(cnt=0; cnt<IXJMAX; cnt++) {
374 if(!ixj[cnt].DSPbase)
380 static inline void ixj_fsk_free(IXJ *j) {;}
382 static inline void ixj_fsk_alloc(IXJ *j)
390 #define ixj_perfmon(x) ((x)++)
392 #define ixj_perfmon(x) do { } while(0)
395 static int ixj_convert_loaded;
397 static int ixj_WriteDSPCommand(unsigned short, IXJ *j);
399 /************************************************************************
401 * These are function definitions to allow external modules to register
402 * enhanced functionality call backs.
404 ************************************************************************/
406 static int Stub(IXJ * J, unsigned long arg)
411 static IXJ_REGFUNC ixj_PreRead = &Stub;
412 static IXJ_REGFUNC ixj_PostRead = &Stub;
413 static IXJ_REGFUNC ixj_PreWrite = &Stub;
414 static IXJ_REGFUNC ixj_PostWrite = &Stub;
416 static void ixj_read_frame(IXJ *j);
417 static void ixj_write_frame(IXJ *j);
418 static void ixj_init_timer(IXJ *j);
419 static void ixj_add_timer(IXJ * j);
420 static void ixj_timeout(unsigned long ptr);
421 static int read_filters(IXJ *j);
422 static int LineMonitor(IXJ *j);
423 static int ixj_fasync(int fd, struct file *, int mode);
424 static int ixj_set_port(IXJ *j, int arg);
425 static int ixj_set_pots(IXJ *j, int arg);
426 static int ixj_hookstate(IXJ *j);
427 static int ixj_record_start(IXJ *j);
428 static void ixj_record_stop(IXJ *j);
429 static void set_rec_volume(IXJ *j, int volume);
430 static int get_rec_volume(IXJ *j);
431 static int set_rec_codec(IXJ *j, int rate);
432 static void ixj_vad(IXJ *j, int arg);
433 static int ixj_play_start(IXJ *j);
434 static void ixj_play_stop(IXJ *j);
435 static int ixj_set_tone_on(unsigned short arg, IXJ *j);
436 static int ixj_set_tone_off(unsigned short, IXJ *j);
437 static int ixj_play_tone(IXJ *j, char tone);
438 static void ixj_aec_start(IXJ *j, int level);
439 static int idle(IXJ *j);
440 static void ixj_ring_on(IXJ *j);
441 static void ixj_ring_off(IXJ *j);
442 static void aec_stop(IXJ *j);
443 static void ixj_ringback(IXJ *j);
444 static void ixj_busytone(IXJ *j);
445 static void ixj_dialtone(IXJ *j);
446 static void ixj_cpt_stop(IXJ *j);
447 static char daa_int_read(IXJ *j);
448 static char daa_CR_read(IXJ *j, int cr);
449 static int daa_set_mode(IXJ *j, int mode);
450 static int ixj_linetest(IXJ *j);
451 static int ixj_daa_write(IXJ *j);
452 static int ixj_daa_cid_read(IXJ *j);
453 static void DAA_Coeff_US(IXJ *j);
454 static void DAA_Coeff_UK(IXJ *j);
455 static void DAA_Coeff_France(IXJ *j);
456 static void DAA_Coeff_Germany(IXJ *j);
457 static void DAA_Coeff_Australia(IXJ *j);
458 static void DAA_Coeff_Japan(IXJ *j);
459 static int ixj_init_filter(IXJ *j, IXJ_FILTER * jf);
460 static int ixj_init_filter_raw(IXJ *j, IXJ_FILTER_RAW * jfr);
461 static int ixj_init_tone(IXJ *j, IXJ_TONE * ti);
462 static int ixj_build_cadence(IXJ *j, IXJ_CADENCE __user * cp);
463 static int ixj_build_filter_cadence(IXJ *j, IXJ_FILTER_CADENCE __user * cp);
464 /* Serial Control Interface funtions */
465 static int SCI_Control(IXJ *j, int control);
466 static int SCI_Prepare(IXJ *j);
467 static int SCI_WaitHighSCI(IXJ *j);
468 static int SCI_WaitLowSCI(IXJ *j);
469 static DWORD PCIEE_GetSerialNumber(WORD wAddress);
470 static int ixj_PCcontrol_wait(IXJ *j);
471 static void ixj_pre_cid(IXJ *j);
472 static void ixj_write_cid(IXJ *j);
473 static void ixj_write_cid_bit(IXJ *j, int bit);
474 static int set_base_frame(IXJ *j, int size);
475 static int set_play_codec(IXJ *j, int rate);
476 static void set_rec_depth(IXJ *j, int depth);
477 static int ixj_mixer(long val, IXJ *j);
479 /************************************************************************
480 CT8020/CT8021 Host Programmers Model
481 Host address Function Access
483 0-1 Aux Software Status Register (reserved) Read Only
484 2-3 Software Status Register Read Only
485 4-5 Aux Software Control Register (reserved) Read Write
486 6-7 Software Control Register Read Write
487 8-9 Hardware Status Register Read Only
488 A-B Hardware Control Register Read Write
489 C-D Host Transmit (Write) Data Buffer Access Port (buffer input)Write Only
490 E-F Host Receive (Read) Data Buffer Access Port (buffer input) Read Only
491 ************************************************************************/
493 static inline void ixj_read_HSR(IXJ *j)
495 j->hsr.bytes.low = inb_p(j->DSPbase + 8);
496 j->hsr.bytes.high = inb_p(j->DSPbase + 9);
499 static inline int IsControlReady(IXJ *j)
502 return j->hsr.bits.controlrdy ? 1 : 0;
505 static inline int IsPCControlReady(IXJ *j)
507 j->pccr1.byte = inb_p(j->XILINXbase + 3);
508 return j->pccr1.bits.crr ? 1 : 0;
511 static inline int IsStatusReady(IXJ *j)
514 return j->hsr.bits.statusrdy ? 1 : 0;
517 static inline int IsRxReady(IXJ *j)
520 ixj_perfmon(j->rxreadycheck);
521 return j->hsr.bits.rxrdy ? 1 : 0;
524 static inline int IsTxReady(IXJ *j)
527 ixj_perfmon(j->txreadycheck);
528 return j->hsr.bits.txrdy ? 1 : 0;
531 static inline void set_play_volume(IXJ *j, int volume)
533 if (ixjdebug & 0x0002)
534 printk(KERN_INFO "IXJ: /dev/phone%d Setting Play Volume to 0x%4.4x\n", j->board, volume);
535 ixj_WriteDSPCommand(0xCF02, j);
536 ixj_WriteDSPCommand(volume, j);
539 static int set_play_volume_linear(IXJ *j, int volume)
541 int newvolume, dspplaymax;
543 if (ixjdebug & 0x0002)
544 printk(KERN_INFO "IXJ: /dev/phone %d Setting Linear Play Volume to 0x%4.4x\n", j->board, volume);
545 if(volume > 100 || volume < 0) {
549 /* This should normalize the perceived volumes between the different cards caused by differences in the hardware */
550 switch (j->cardtype) {
555 if(j->port == PORT_PSTN) {
561 case QTI_PHONEJACK_LITE:
564 case QTI_PHONEJACK_PCI:
573 newvolume = (dspplaymax * volume) / 100;
574 set_play_volume(j, newvolume);
578 static inline void set_play_depth(IXJ *j, int depth)
584 ixj_WriteDSPCommand(0x5280 + depth, j);
587 static inline int get_play_volume(IXJ *j)
589 ixj_WriteDSPCommand(0xCF00, j);
590 return j->ssr.high << 8 | j->ssr.low;
593 static int get_play_volume_linear(IXJ *j)
595 int volume, newvolume, dspplaymax;
597 /* This should normalize the perceived volumes between the different cards caused by differences in the hardware */
598 switch (j->cardtype) {
603 if(j->port == PORT_PSTN) {
609 case QTI_PHONEJACK_LITE:
612 case QTI_PHONEJACK_PCI:
621 volume = get_play_volume(j);
622 newvolume = (volume * 100) / dspplaymax;
628 static inline BYTE SLIC_GetState(IXJ *j)
630 if (j->cardtype == QTI_PHONECARD) {
632 j->psccr.bits.dev = 3;
633 j->psccr.bits.rw = 1;
634 outw_p(j->psccr.byte << 8, j->XILINXbase + 0x00);
635 ixj_PCcontrol_wait(j);
636 j->pslic.byte = inw_p(j->XILINXbase + 0x00) & 0xFF;
637 ixj_PCcontrol_wait(j);
638 if (j->pslic.bits.powerdown)
639 return PLD_SLIC_STATE_OC;
640 else if (!j->pslic.bits.ring0 && !j->pslic.bits.ring1)
641 return PLD_SLIC_STATE_ACTIVE;
643 return PLD_SLIC_STATE_RINGING;
645 j->pld_slicr.byte = inb_p(j->XILINXbase + 0x01);
647 return j->pld_slicr.bits.state;
650 static bool SLIC_SetState(BYTE byState, IXJ *j)
652 bool fRetVal = false;
654 if (j->cardtype == QTI_PHONECARD) {
655 if (j->flags.pcmciasct) {
657 case PLD_SLIC_STATE_TIPOPEN:
658 case PLD_SLIC_STATE_OC:
659 j->pslic.bits.powerdown = 1;
660 j->pslic.bits.ring0 = j->pslic.bits.ring1 = 0;
663 case PLD_SLIC_STATE_RINGING:
664 if (j->readers || j->writers) {
665 j->pslic.bits.powerdown = 0;
666 j->pslic.bits.ring0 = 1;
667 j->pslic.bits.ring1 = 0;
671 case PLD_SLIC_STATE_OHT: /* On-hook transmit */
673 case PLD_SLIC_STATE_STANDBY:
674 case PLD_SLIC_STATE_ACTIVE:
675 if (j->readers || j->writers) {
676 j->pslic.bits.powerdown = 0;
678 j->pslic.bits.powerdown = 1;
680 j->pslic.bits.ring0 = j->pslic.bits.ring1 = 0;
683 case PLD_SLIC_STATE_APR: /* Active polarity reversal */
685 case PLD_SLIC_STATE_OHTPR: /* OHT polarity reversal */
691 j->psccr.bits.dev = 3;
692 j->psccr.bits.rw = 0;
693 outw_p(j->psccr.byte << 8 | j->pslic.byte, j->XILINXbase + 0x00);
694 ixj_PCcontrol_wait(j);
697 /* Set the C1, C2, C3 & B2EN signals. */
699 case PLD_SLIC_STATE_OC:
700 j->pld_slicw.bits.c1 = 0;
701 j->pld_slicw.bits.c2 = 0;
702 j->pld_slicw.bits.c3 = 0;
703 j->pld_slicw.bits.b2en = 0;
704 outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
707 case PLD_SLIC_STATE_RINGING:
708 j->pld_slicw.bits.c1 = 1;
709 j->pld_slicw.bits.c2 = 0;
710 j->pld_slicw.bits.c3 = 0;
711 j->pld_slicw.bits.b2en = 1;
712 outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
715 case PLD_SLIC_STATE_ACTIVE:
716 j->pld_slicw.bits.c1 = 0;
717 j->pld_slicw.bits.c2 = 1;
718 j->pld_slicw.bits.c3 = 0;
719 j->pld_slicw.bits.b2en = 0;
720 outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
723 case PLD_SLIC_STATE_OHT: /* On-hook transmit */
725 j->pld_slicw.bits.c1 = 1;
726 j->pld_slicw.bits.c2 = 1;
727 j->pld_slicw.bits.c3 = 0;
728 j->pld_slicw.bits.b2en = 0;
729 outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
732 case PLD_SLIC_STATE_TIPOPEN:
733 j->pld_slicw.bits.c1 = 0;
734 j->pld_slicw.bits.c2 = 0;
735 j->pld_slicw.bits.c3 = 1;
736 j->pld_slicw.bits.b2en = 0;
737 outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
740 case PLD_SLIC_STATE_STANDBY:
741 j->pld_slicw.bits.c1 = 1;
742 j->pld_slicw.bits.c2 = 0;
743 j->pld_slicw.bits.c3 = 1;
744 j->pld_slicw.bits.b2en = 1;
745 outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
748 case PLD_SLIC_STATE_APR: /* Active polarity reversal */
750 j->pld_slicw.bits.c1 = 0;
751 j->pld_slicw.bits.c2 = 1;
752 j->pld_slicw.bits.c3 = 1;
753 j->pld_slicw.bits.b2en = 0;
754 outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
757 case PLD_SLIC_STATE_OHTPR: /* OHT polarity reversal */
759 j->pld_slicw.bits.c1 = 1;
760 j->pld_slicw.bits.c2 = 1;
761 j->pld_slicw.bits.c3 = 1;
762 j->pld_slicw.bits.b2en = 0;
763 outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
775 static int ixj_wink(IXJ *j)
779 slicnow = SLIC_GetState(j);
781 j->pots_winkstart = jiffies;
782 SLIC_SetState(PLD_SLIC_STATE_OC, j);
784 msleep(jiffies_to_msecs(j->winktime));
786 SLIC_SetState(slicnow, j);
790 static void ixj_init_timer(IXJ *j)
792 init_timer(&j->timer);
793 j->timer.function = ixj_timeout;
794 j->timer.data = (unsigned long)j;
797 static void ixj_add_timer(IXJ *j)
799 j->timer.expires = jiffies + (hertz / samplerate);
800 add_timer(&j->timer);
803 static void ixj_tone_timeout(IXJ *j)
808 if (j->tone_state == 3) {
811 j->tone_cadence_state++;
812 if (j->tone_cadence_state >= j->cadence_t->elements_used) {
813 switch (j->cadence_t->termination) {
817 case REPEAT_LAST_ELEMENT:
818 j->tone_cadence_state--;
819 ixj_play_tone(j, j->cadence_t->ce[j->tone_cadence_state].index);
822 j->tone_cadence_state = 0;
823 if (j->cadence_t->ce[j->tone_cadence_state].freq0) {
824 ti.tone_index = j->cadence_t->ce[j->tone_cadence_state].index;
825 ti.freq0 = j->cadence_t->ce[j->tone_cadence_state].freq0;
826 ti.gain0 = j->cadence_t->ce[j->tone_cadence_state].gain0;
827 ti.freq1 = j->cadence_t->ce[j->tone_cadence_state].freq1;
828 ti.gain1 = j->cadence_t->ce[j->tone_cadence_state].gain1;
829 ixj_init_tone(j, &ti);
831 ixj_set_tone_on(j->cadence_t->ce[0].tone_on_time, j);
832 ixj_set_tone_off(j->cadence_t->ce[0].tone_off_time, j);
833 ixj_play_tone(j, j->cadence_t->ce[0].index);
837 if (j->cadence_t->ce[j->tone_cadence_state].gain0) {
838 ti.tone_index = j->cadence_t->ce[j->tone_cadence_state].index;
839 ti.freq0 = j->cadence_t->ce[j->tone_cadence_state].freq0;
840 ti.gain0 = j->cadence_t->ce[j->tone_cadence_state].gain0;
841 ti.freq1 = j->cadence_t->ce[j->tone_cadence_state].freq1;
842 ti.gain1 = j->cadence_t->ce[j->tone_cadence_state].gain1;
843 ixj_init_tone(j, &ti);
845 ixj_set_tone_on(j->cadence_t->ce[j->tone_cadence_state].tone_on_time, j);
846 ixj_set_tone_off(j->cadence_t->ce[j->tone_cadence_state].tone_off_time, j);
847 ixj_play_tone(j, j->cadence_t->ce[j->tone_cadence_state].index);
853 static inline void ixj_kill_fasync(IXJ *j, IXJ_SIGEVENT event, int dir)
855 if(j->ixj_signals[event]) {
856 if(ixjdebug & 0x0100)
857 printk("Sending signal for event %d\n", event);
858 /* Send apps notice of change */
859 /* see config.h for macro definition */
860 kill_fasync(&(j->async_queue), j->ixj_signals[event], dir);
864 static void ixj_pstn_state(IXJ *j)
867 union XOPXR0 XR0, daaint;
871 XR0.reg = j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.reg;
873 XR0.bitreg.RMR = j->m_DAAShadowRegs.SOP_REGS.SOP.cr1.bitreg.RMR;
875 j->pld_scrr.byte = inb_p(j->XILINXbase);
876 if (j->pld_scrr.bits.daaflag) {
878 if(j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.bitreg.RING) {
879 if(time_after(jiffies, j->pstn_sleeptil) && !(j->flags.pots_pstn && j->hookstate)) {
880 daaint.bitreg.RING = 1;
881 if(ixjdebug & 0x0008) {
882 printk(KERN_INFO "IXJ DAA Ring Interrupt /dev/phone%d at %ld\n", j->board, jiffies);
885 daa_set_mode(j, SOP_PU_RESET);
888 if(j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.bitreg.Caller_ID) {
889 daaint.bitreg.Caller_ID = 1;
890 j->pstn_cid_intr = 1;
891 j->pstn_cid_received = jiffies;
892 if(ixjdebug & 0x0008) {
893 printk(KERN_INFO "IXJ DAA Caller_ID Interrupt /dev/phone%d at %ld\n", j->board, jiffies);
896 if(j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.bitreg.Cadence) {
897 daaint.bitreg.Cadence = 1;
898 if(ixjdebug & 0x0008) {
899 printk(KERN_INFO "IXJ DAA Cadence Interrupt /dev/phone%d at %ld\n", j->board, jiffies);
902 if(j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.bitreg.VDD_OK != XR0.bitreg.VDD_OK) {
903 daaint.bitreg.VDD_OK = 1;
904 daaint.bitreg.SI_0 = j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.bitreg.VDD_OK;
908 if(j->m_DAAShadowRegs.SOP_REGS.SOP.cr1.bitreg.RMR != XR0.bitreg.RMR && time_after(jiffies, j->pstn_sleeptil) && !(j->flags.pots_pstn && j->hookstate)) {
909 daaint.bitreg.RMR = 1;
910 daaint.bitreg.SI_1 = j->m_DAAShadowRegs.SOP_REGS.SOP.cr1.bitreg.RMR;
911 if(ixjdebug & 0x0008) {
912 printk(KERN_INFO "IXJ DAA RMR /dev/phone%d was %s for %ld\n", j->board, XR0.bitreg.RMR?"on":"off", jiffies - j->pstn_last_rmr);
914 j->pstn_prev_rmr = j->pstn_last_rmr;
915 j->pstn_last_rmr = jiffies;
917 switch(j->daa_mode) {
919 if (daaint.bitreg.RING) {
920 if (!j->flags.pstn_ringing) {
921 if (j->daa_mode != SOP_PU_RINGING) {
922 j->pstn_ring_int = jiffies;
923 daa_set_mode(j, SOP_PU_RINGING);
929 if (daaint.bitreg.RMR) {
930 if (ixjdebug & 0x0008) {
931 printk(KERN_INFO "IXJ Ring Cadence a state = %d /dev/phone%d at %ld\n", j->cadence_f[4].state, j->board, jiffies);
933 if (daaint.bitreg.SI_1) { /* Rising edge of RMR */
934 j->flags.pstn_rmr = 1;
935 j->pstn_ring_start = jiffies;
936 j->pstn_ring_stop = 0;
937 j->ex.bits.pstn_ring = 0;
938 if (j->cadence_f[4].state == 0) {
939 j->cadence_f[4].state = 1;
940 j->cadence_f[4].on1min = jiffies + (long)((j->cadence_f[4].on1 * hertz * (100 - var)) / 10000);
941 j->cadence_f[4].on1dot = jiffies + (long)((j->cadence_f[4].on1 * hertz * (100)) / 10000);
942 j->cadence_f[4].on1max = jiffies + (long)((j->cadence_f[4].on1 * hertz * (100 + var)) / 10000);
943 } else if (j->cadence_f[4].state == 2) {
944 if((time_after(jiffies, j->cadence_f[4].off1min) &&
945 time_before(jiffies, j->cadence_f[4].off1max))) {
946 if (j->cadence_f[4].on2) {
947 j->cadence_f[4].state = 3;
948 j->cadence_f[4].on2min = jiffies + (long)((j->cadence_f[4].on2 * (hertz * (100 - var)) / 10000));
949 j->cadence_f[4].on2dot = jiffies + (long)((j->cadence_f[4].on2 * (hertz * (100)) / 10000));
950 j->cadence_f[4].on2max = jiffies + (long)((j->cadence_f[4].on2 * (hertz * (100 + var)) / 10000));
952 j->cadence_f[4].state = 7;
955 if (ixjdebug & 0x0008) {
956 printk(KERN_INFO "IXJ Ring Cadence fail state = %d /dev/phone%d at %ld should be %d\n",
957 j->cadence_f[4].state, j->board, jiffies - j->pstn_prev_rmr,
958 j->cadence_f[4].off1);
960 j->cadence_f[4].state = 0;
962 } else if (j->cadence_f[4].state == 4) {
963 if((time_after(jiffies, j->cadence_f[4].off2min) &&
964 time_before(jiffies, j->cadence_f[4].off2max))) {
965 if (j->cadence_f[4].on3) {
966 j->cadence_f[4].state = 5;
967 j->cadence_f[4].on3min = jiffies + (long)((j->cadence_f[4].on3 * (hertz * (100 - var)) / 10000));
968 j->cadence_f[4].on3dot = jiffies + (long)((j->cadence_f[4].on3 * (hertz * (100)) / 10000));
969 j->cadence_f[4].on3max = jiffies + (long)((j->cadence_f[4].on3 * (hertz * (100 + var)) / 10000));
971 j->cadence_f[4].state = 7;
974 if (ixjdebug & 0x0008) {
975 printk(KERN_INFO "IXJ Ring Cadence fail state = %d /dev/phone%d at %ld should be %d\n",
976 j->cadence_f[4].state, j->board, jiffies - j->pstn_prev_rmr,
977 j->cadence_f[4].off2);
979 j->cadence_f[4].state = 0;
981 } else if (j->cadence_f[4].state == 6) {
982 if((time_after(jiffies, j->cadence_f[4].off3min) &&
983 time_before(jiffies, j->cadence_f[4].off3max))) {
984 j->cadence_f[4].state = 7;
986 if (ixjdebug & 0x0008) {
987 printk(KERN_INFO "IXJ Ring Cadence fail state = %d /dev/phone%d at %ld should be %d\n",
988 j->cadence_f[4].state, j->board, jiffies - j->pstn_prev_rmr,
989 j->cadence_f[4].off3);
991 j->cadence_f[4].state = 0;
994 j->cadence_f[4].state = 0;
996 } else { /* Falling edge of RMR */
997 j->pstn_ring_start = 0;
998 j->pstn_ring_stop = jiffies;
999 if (j->cadence_f[4].state == 1) {
1000 if(!j->cadence_f[4].on1) {
1001 j->cadence_f[4].state = 7;
1002 } else if((time_after(jiffies, j->cadence_f[4].on1min) &&
1003 time_before(jiffies, j->cadence_f[4].on1max))) {
1004 if (j->cadence_f[4].off1) {
1005 j->cadence_f[4].state = 2;
1006 j->cadence_f[4].off1min = jiffies + (long)((j->cadence_f[4].off1 * (hertz * (100 - var)) / 10000));
1007 j->cadence_f[4].off1dot = jiffies + (long)((j->cadence_f[4].off1 * (hertz * (100)) / 10000));
1008 j->cadence_f[4].off1max = jiffies + (long)((j->cadence_f[4].off1 * (hertz * (100 + var)) / 10000));
1010 j->cadence_f[4].state = 7;
1013 if (ixjdebug & 0x0008) {
1014 printk(KERN_INFO "IXJ Ring Cadence fail state = %d /dev/phone%d at %ld should be %d\n",
1015 j->cadence_f[4].state, j->board, jiffies - j->pstn_prev_rmr,
1016 j->cadence_f[4].on1);
1018 j->cadence_f[4].state = 0;
1020 } else if (j->cadence_f[4].state == 3) {
1021 if((time_after(jiffies, j->cadence_f[4].on2min) &&
1022 time_before(jiffies, j->cadence_f[4].on2max))) {
1023 if (j->cadence_f[4].off2) {
1024 j->cadence_f[4].state = 4;
1025 j->cadence_f[4].off2min = jiffies + (long)((j->cadence_f[4].off2 * (hertz * (100 - var)) / 10000));
1026 j->cadence_f[4].off2dot = jiffies + (long)((j->cadence_f[4].off2 * (hertz * (100)) / 10000));
1027 j->cadence_f[4].off2max = jiffies + (long)((j->cadence_f[4].off2 * (hertz * (100 + var)) / 10000));
1029 j->cadence_f[4].state = 7;
1032 if (ixjdebug & 0x0008) {
1033 printk(KERN_INFO "IXJ Ring Cadence fail state = %d /dev/phone%d at %ld should be %d\n",
1034 j->cadence_f[4].state, j->board, jiffies - j->pstn_prev_rmr,
1035 j->cadence_f[4].on2);
1037 j->cadence_f[4].state = 0;
1039 } else if (j->cadence_f[4].state == 5) {
1040 if((time_after(jiffies, j->cadence_f[4].on3min) &&
1041 time_before(jiffies, j->cadence_f[4].on3max))) {
1042 if (j->cadence_f[4].off3) {
1043 j->cadence_f[4].state = 6;
1044 j->cadence_f[4].off3min = jiffies + (long)((j->cadence_f[4].off3 * (hertz * (100 - var)) / 10000));
1045 j->cadence_f[4].off3dot = jiffies + (long)((j->cadence_f[4].off3 * (hertz * (100)) / 10000));
1046 j->cadence_f[4].off3max = jiffies + (long)((j->cadence_f[4].off3 * (hertz * (100 + var)) / 10000));
1048 j->cadence_f[4].state = 7;
1051 j->cadence_f[4].state = 0;
1054 if (ixjdebug & 0x0008) {
1055 printk(KERN_INFO "IXJ Ring Cadence fail state = %d /dev/phone%d at %ld should be %d\n",
1056 j->cadence_f[4].state, j->board, jiffies - j->pstn_prev_rmr,
1057 j->cadence_f[4].on3);
1059 j->cadence_f[4].state = 0;
1062 if (ixjdebug & 0x0010) {
1063 printk(KERN_INFO "IXJ Ring Cadence b state = %d /dev/phone%d at %ld\n", j->cadence_f[4].state, j->board, jiffies);
1065 if (ixjdebug & 0x0010) {
1066 switch(j->cadence_f[4].state) {
1068 printk(KERN_INFO "IXJ /dev/phone%d Next Ring Cadence state at %u min %ld - %ld - max %ld\n", j->board,
1069 j->cadence_f[4].on1, j->cadence_f[4].on1min, j->cadence_f[4].on1dot, j->cadence_f[4].on1max);
1072 printk(KERN_INFO "IXJ /dev/phone%d Next Ring Cadence state at %u min %ld - %ld - max %ld\n", j->board,
1073 j->cadence_f[4].off1, j->cadence_f[4].off1min, j->cadence_f[4].off1dot, j->cadence_f[4].off1max);
1076 printk(KERN_INFO "IXJ /dev/phone%d Next Ring Cadence state at %u min %ld - %ld - max %ld\n", j->board,
1077 j->cadence_f[4].on2, j->cadence_f[4].on2min, j->cadence_f[4].on2dot, j->cadence_f[4].on2max);
1080 printk(KERN_INFO "IXJ /dev/phone%d Next Ring Cadence state at %u min %ld - %ld - max %ld\n", j->board,
1081 j->cadence_f[4].off2, j->cadence_f[4].off2min, j->cadence_f[4].off2dot, j->cadence_f[4].off2max);
1084 printk(KERN_INFO "IXJ /dev/phone%d Next Ring Cadence state at %u min %ld - %ld - max %ld\n", j->board,
1085 j->cadence_f[4].on3, j->cadence_f[4].on3min, j->cadence_f[4].on3dot, j->cadence_f[4].on3max);
1088 printk(KERN_INFO "IXJ /dev/phone%d Next Ring Cadence state at %u min %ld - %ld - max %ld\n", j->board,
1089 j->cadence_f[4].off3, j->cadence_f[4].off3min, j->cadence_f[4].off3dot, j->cadence_f[4].off3max);
1094 if (j->cadence_f[4].state == 7) {
1095 j->cadence_f[4].state = 0;
1096 j->pstn_ring_stop = jiffies;
1097 j->ex.bits.pstn_ring = 1;
1098 ixj_kill_fasync(j, SIG_PSTN_RING, POLL_IN);
1099 if(ixjdebug & 0x0008) {
1100 printk(KERN_INFO "IXJ Ring int set /dev/phone%d at %ld\n", j->board, jiffies);
1103 if((j->pstn_ring_int != 0 && time_after(jiffies, j->pstn_ring_int + (hertz * 5)) && !j->flags.pstn_rmr) ||
1104 (j->pstn_ring_stop != 0 && time_after(jiffies, j->pstn_ring_stop + (hertz * 5)))) {
1105 if(ixjdebug & 0x0008) {
1106 printk("IXJ DAA no ring in 5 seconds /dev/phone%d at %ld\n", j->board, jiffies);
1107 printk("IXJ DAA pstn ring int /dev/phone%d at %ld\n", j->board, j->pstn_ring_int);
1108 printk("IXJ DAA pstn ring stop /dev/phone%d at %ld\n", j->board, j->pstn_ring_stop);
1110 j->pstn_ring_stop = j->pstn_ring_int = 0;
1111 daa_set_mode(j, SOP_PU_SLEEP);
1113 outb_p(j->pld_scrw.byte, j->XILINXbase);
1114 if (j->pstn_cid_intr && time_after(jiffies, j->pstn_cid_received + hertz)) {
1115 ixj_daa_cid_read(j);
1116 j->ex.bits.caller_id = 1;
1117 ixj_kill_fasync(j, SIG_CALLER_ID, POLL_IN);
1118 j->pstn_cid_intr = 0;
1120 if (daaint.bitreg.Cadence) {
1121 if(ixjdebug & 0x0008) {
1122 printk("IXJ DAA Cadence interrupt going to sleep /dev/phone%d\n", j->board);
1124 daa_set_mode(j, SOP_PU_SLEEP);
1125 j->ex.bits.pstn_ring = 0;
1128 case SOP_PU_CONVERSATION:
1129 if (daaint.bitreg.VDD_OK) {
1130 if(!daaint.bitreg.SI_0) {
1131 if (!j->pstn_winkstart) {
1132 if(ixjdebug & 0x0008) {
1133 printk("IXJ DAA possible wink /dev/phone%d %ld\n", j->board, jiffies);
1135 j->pstn_winkstart = jiffies;
1138 if (j->pstn_winkstart) {
1139 if(ixjdebug & 0x0008) {
1140 printk("IXJ DAA possible wink end /dev/phone%d %ld\n", j->board, jiffies);
1142 j->pstn_winkstart = 0;
1146 if (j->pstn_winkstart && time_after(jiffies, j->pstn_winkstart + ((hertz * j->winktime) / 1000))) {
1147 if(ixjdebug & 0x0008) {
1148 printk("IXJ DAA wink detected going to sleep /dev/phone%d %ld\n", j->board, jiffies);
1150 daa_set_mode(j, SOP_PU_SLEEP);
1151 j->pstn_winkstart = 0;
1152 j->ex.bits.pstn_wink = 1;
1153 ixj_kill_fasync(j, SIG_PSTN_WINK, POLL_IN);
1159 static void ixj_timeout(unsigned long ptr)
1162 unsigned long jifon;
1163 IXJ *j = (IXJ *)ptr;
1166 if (j->DSPbase && atomic_read(&j->DSPWrite) == 0 && test_and_set_bit(board, (void *)&j->busyflags) == 0) {
1167 ixj_perfmon(j->timerchecks);
1168 j->hookstate = ixj_hookstate(j);
1169 if (j->tone_state) {
1170 if (!(j->hookstate)) {
1174 j->ex.bits.hookstate = 1;
1175 ixj_kill_fasync(j, SIG_HOOKSTATE, POLL_IN);
1177 clear_bit(board, &j->busyflags);
1181 if (j->tone_state == 1)
1182 jifon = ((hertz * j->tone_on_time) * 25 / 100000);
1184 jifon = ((hertz * j->tone_on_time) * 25 / 100000) + ((hertz * j->tone_off_time) * 25 / 100000);
1185 if (time_before(jiffies, j->tone_start_jif + jifon)) {
1186 if (j->tone_state == 1) {
1187 ixj_play_tone(j, j->tone_index);
1188 if (j->dsp.low == 0x20) {
1189 clear_bit(board, &j->busyflags);
1194 ixj_play_tone(j, 0);
1195 if (j->dsp.low == 0x20) {
1196 clear_bit(board, &j->busyflags);
1202 ixj_tone_timeout(j);
1203 if (j->flags.dialtone) {
1206 if (j->flags.busytone) {
1208 if (j->dsp.low == 0x20) {
1209 clear_bit(board, &j->busyflags);
1214 if (j->flags.ringback) {
1216 if (j->dsp.low == 0x20) {
1217 clear_bit(board, &j->busyflags);
1222 if (!j->tone_state) {
1227 if (!(j->tone_state && j->dsp.low == 0x20)) {
1235 if (j->flags.cringing) {
1236 if (j->hookstate & 1) {
1237 j->flags.cringing = 0;
1239 } else if(j->cadence_f[5].enable && ((!j->cadence_f[5].en_filter) || (j->cadence_f[5].en_filter && j->flags.firstring))) {
1240 switch(j->cadence_f[5].state) {
1242 j->cadence_f[5].on1dot = jiffies + (long)((j->cadence_f[5].on1 * (hertz * 100) / 10000));
1243 if (time_before(jiffies, j->cadence_f[5].on1dot)) {
1244 if(ixjdebug & 0x0004) {
1245 printk("Ringing cadence state = %d - %ld\n", j->cadence_f[5].state, jiffies);
1249 j->cadence_f[5].state = 1;
1252 if (time_after(jiffies, j->cadence_f[5].on1dot)) {
1253 j->cadence_f[5].off1dot = jiffies + (long)((j->cadence_f[5].off1 * (hertz * 100) / 10000));
1254 if(ixjdebug & 0x0004) {
1255 printk("Ringing cadence state = %d - %ld\n", j->cadence_f[5].state, jiffies);
1258 j->cadence_f[5].state = 2;
1262 if (time_after(jiffies, j->cadence_f[5].off1dot)) {
1263 if(ixjdebug & 0x0004) {
1264 printk("Ringing cadence state = %d - %ld\n", j->cadence_f[5].state, jiffies);
1267 if (j->cadence_f[5].on2) {
1268 j->cadence_f[5].on2dot = jiffies + (long)((j->cadence_f[5].on2 * (hertz * 100) / 10000));
1269 j->cadence_f[5].state = 3;
1271 j->cadence_f[5].state = 7;
1276 if (time_after(jiffies, j->cadence_f[5].on2dot)) {
1277 if(ixjdebug & 0x0004) {
1278 printk("Ringing cadence state = %d - %ld\n", j->cadence_f[5].state, jiffies);
1281 if (j->cadence_f[5].off2) {
1282 j->cadence_f[5].off2dot = jiffies + (long)((j->cadence_f[5].off2 * (hertz * 100) / 10000));
1283 j->cadence_f[5].state = 4;
1285 j->cadence_f[5].state = 7;
1290 if (time_after(jiffies, j->cadence_f[5].off2dot)) {
1291 if(ixjdebug & 0x0004) {
1292 printk("Ringing cadence state = %d - %ld\n", j->cadence_f[5].state, jiffies);
1295 if (j->cadence_f[5].on3) {
1296 j->cadence_f[5].on3dot = jiffies + (long)((j->cadence_f[5].on3 * (hertz * 100) / 10000));
1297 j->cadence_f[5].state = 5;
1299 j->cadence_f[5].state = 7;
1304 if (time_after(jiffies, j->cadence_f[5].on3dot)) {
1305 if(ixjdebug & 0x0004) {
1306 printk("Ringing cadence state = %d - %ld\n", j->cadence_f[5].state, jiffies);
1309 if (j->cadence_f[5].off3) {
1310 j->cadence_f[5].off3dot = jiffies + (long)((j->cadence_f[5].off3 * (hertz * 100) / 10000));
1311 j->cadence_f[5].state = 6;
1313 j->cadence_f[5].state = 7;
1318 if (time_after(jiffies, j->cadence_f[5].off3dot)) {
1319 if(ixjdebug & 0x0004) {
1320 printk("Ringing cadence state = %d - %ld\n", j->cadence_f[5].state, jiffies);
1322 j->cadence_f[5].state = 7;
1326 if(ixjdebug & 0x0004) {
1327 printk("Ringing cadence state = %d - %ld\n", j->cadence_f[5].state, jiffies);
1329 j->flags.cidring = 1;
1330 j->cadence_f[5].state = 0;
1333 if (j->flags.cidring && !j->flags.cidsent) {
1334 j->flags.cidsent = 1;
1336 SLIC_SetState(PLD_SLIC_STATE_OHT, j);
1339 j->flags.cidring = 0;
1341 clear_bit(board, &j->busyflags);
1345 if (time_after(jiffies, j->ring_cadence_jif + (hertz / 2))) {
1346 if (j->flags.cidring && !j->flags.cidsent) {
1347 j->flags.cidsent = 1;
1349 SLIC_SetState(PLD_SLIC_STATE_OHT, j);
1352 j->flags.cidring = 0;
1354 j->ring_cadence_t--;
1355 if (j->ring_cadence_t == -1)
1356 j->ring_cadence_t = 15;
1357 j->ring_cadence_jif = jiffies;
1359 if (j->ring_cadence & 1 << j->ring_cadence_t) {
1360 if(j->flags.cidsent && j->cadence_f[5].en_filter)
1361 j->flags.firstring = 1;
1366 if(!j->flags.cidsent)
1367 j->flags.cidring = 1;
1370 clear_bit(board, &j->busyflags);
1375 if (!j->flags.ringing) {
1376 if (j->hookstate) { /* & 1) { */
1377 if (j->dsp.low != 0x20 &&
1378 SLIC_GetState(j) != PLD_SLIC_STATE_ACTIVE) {
1379 SLIC_SetState(PLD_SLIC_STATE_ACTIVE, j);
1383 ixj_WriteDSPCommand(0x511B, j);
1384 j->proc_load = j->ssr.high << 8 | j->ssr.low;
1385 if (!j->m_hook && (j->hookstate & 1)) {
1386 j->m_hook = j->ex.bits.hookstate = 1;
1387 ixj_kill_fasync(j, SIG_HOOKSTATE, POLL_IN);
1390 if (j->ex.bits.dtmf_ready) {
1391 j->dtmf_wp = j->dtmf_rp = j->ex.bits.dtmf_ready = 0;
1395 j->ex.bits.hookstate = 1;
1396 ixj_kill_fasync(j, SIG_HOOKSTATE, POLL_IN);
1400 if (j->cardtype == QTI_LINEJACK && !j->flags.pstncheck && j->flags.pstn_present) {
1404 wake_up_interruptible(&j->poll_q); /* Wake any blocked selects */
1406 clear_bit(board, &j->busyflags);
1411 static int ixj_status_wait(IXJ *j)
1415 jif = jiffies + ((60 * hertz) / 100);
1416 while (!IsStatusReady(j)) {
1417 ixj_perfmon(j->statuswait);
1418 if (time_after(jiffies, jif)) {
1419 ixj_perfmon(j->statuswaitfail);
1426 static int ixj_PCcontrol_wait(IXJ *j)
1430 jif = jiffies + ((60 * hertz) / 100);
1431 while (!IsPCControlReady(j)) {
1432 ixj_perfmon(j->pcontrolwait);
1433 if (time_after(jiffies, jif)) {
1434 ixj_perfmon(j->pcontrolwaitfail);
1441 static int ixj_WriteDSPCommand(unsigned short cmd, IXJ *j)
1446 atomic_inc(&j->DSPWrite);
1447 if(atomic_read(&j->DSPWrite) > 1) {
1448 printk("IXJ %d DSP write overlap attempting command 0x%4.4x\n", j->board, cmd);
1451 bytes.high = (cmd & 0xFF00) >> 8;
1452 bytes.low = cmd & 0x00FF;
1453 jif = jiffies + ((60 * hertz) / 100);
1454 while (!IsControlReady(j)) {
1455 ixj_perfmon(j->iscontrolready);
1456 if (time_after(jiffies, jif)) {
1457 ixj_perfmon(j->iscontrolreadyfail);
1458 atomic_dec(&j->DSPWrite);
1459 if(atomic_read(&j->DSPWrite) > 0) {
1460 printk("IXJ %d DSP overlaped command 0x%4.4x during control ready failure.\n", j->board, cmd);
1461 while(atomic_read(&j->DSPWrite) > 0) {
1462 atomic_dec(&j->DSPWrite);
1468 outb(bytes.low, j->DSPbase + 6);
1469 outb(bytes.high, j->DSPbase + 7);
1471 if (ixj_status_wait(j)) {
1474 atomic_dec(&j->DSPWrite);
1475 if(atomic_read(&j->DSPWrite) > 0) {
1476 printk("IXJ %d DSP overlaped command 0x%4.4x during status wait failure.\n", j->board, cmd);
1477 while(atomic_read(&j->DSPWrite) > 0) {
1478 atomic_dec(&j->DSPWrite);
1483 /* Read Software Status Register */
1484 j->ssr.low = inb_p(j->DSPbase + 2);
1485 j->ssr.high = inb_p(j->DSPbase + 3);
1486 atomic_dec(&j->DSPWrite);
1487 if(atomic_read(&j->DSPWrite) > 0) {
1488 printk("IXJ %d DSP overlaped command 0x%4.4x\n", j->board, cmd);
1489 while(atomic_read(&j->DSPWrite) > 0) {
1490 atomic_dec(&j->DSPWrite);
1496 /***************************************************************************
1498 * General Purpose IO Register read routine
1500 ***************************************************************************/
1501 static inline int ixj_gpio_read(IXJ *j)
1503 if (ixj_WriteDSPCommand(0x5143, j))
1506 j->gpio.bytes.low = j->ssr.low;
1507 j->gpio.bytes.high = j->ssr.high;
1512 static inline void LED_SetState(int state, IXJ *j)
1514 if (j->cardtype == QTI_LINEJACK) {
1515 j->pld_scrw.bits.led1 = state & 0x1 ? 1 : 0;
1516 j->pld_scrw.bits.led2 = state & 0x2 ? 1 : 0;
1517 j->pld_scrw.bits.led3 = state & 0x4 ? 1 : 0;
1518 j->pld_scrw.bits.led4 = state & 0x8 ? 1 : 0;
1520 outb(j->pld_scrw.byte, j->XILINXbase);
1524 /*********************************************************************
1525 * GPIO Pins are configured as follows on the Quicknet Internet
1526 * PhoneJACK Telephony Cards
1528 * POTS Select GPIO_6=0 GPIO_7=0
1529 * Mic/Speaker Select GPIO_6=0 GPIO_7=1
1530 * Handset Select GPIO_6=1 GPIO_7=0
1532 * SLIC Active GPIO_1=0 GPIO_2=1 GPIO_5=0
1533 * SLIC Ringing GPIO_1=1 GPIO_2=1 GPIO_5=0
1534 * SLIC Open Circuit GPIO_1=0 GPIO_2=0 GPIO_5=0
1536 * Hook Switch changes reported on GPIO_3
1537 *********************************************************************/
1538 static int ixj_set_port(IXJ *j, int arg)
1540 if (j->cardtype == QTI_PHONEJACK_LITE) {
1541 if (arg != PORT_POTS)
1548 j->port = PORT_POTS;
1549 switch (j->cardtype) {
1551 if (j->flags.pcmciasct == 1)
1552 SLIC_SetState(PLD_SLIC_STATE_ACTIVE, j);
1556 case QTI_PHONEJACK_PCI:
1557 j->pld_slicw.pcib.mic = 0;
1558 j->pld_slicw.pcib.spk = 0;
1559 outb(j->pld_slicw.byte, j->XILINXbase + 0x01);
1562 ixj_set_pots(j, 0); /* Disconnect POTS/PSTN relay */
1563 if (ixj_WriteDSPCommand(0xC528, j)) /* Write CODEC config to
1564 Software Control Register */
1566 j->pld_scrw.bits.daafsyncen = 0; /* Turn off DAA Frame Sync */
1568 outb(j->pld_scrw.byte, j->XILINXbase);
1569 j->pld_clock.byte = 0;
1570 outb(j->pld_clock.byte, j->XILINXbase + 0x04);
1571 j->pld_slicw.bits.rly1 = 1;
1572 j->pld_slicw.bits.spken = 0;
1573 outb(j->pld_slicw.byte, j->XILINXbase + 0x01);
1574 ixj_mixer(0x1200, j); /* Turn Off MIC switch on mixer left */
1575 ixj_mixer(0x1401, j); /* Turn On Mono1 switch on mixer left */
1576 ixj_mixer(0x1300, j); /* Turn Off MIC switch on mixer right */
1577 ixj_mixer(0x1501, j); /* Turn On Mono1 switch on mixer right */
1578 ixj_mixer(0x0E80, j); /*Mic mute */
1579 ixj_mixer(0x0F00, j); /* Set mono out (SLIC) to 0dB */
1580 ixj_mixer(0x0080, j); /* Mute Master Left volume */
1581 ixj_mixer(0x0180, j); /* Mute Master Right volume */
1582 SLIC_SetState(PLD_SLIC_STATE_STANDBY, j);
1583 /* SLIC_SetState(PLD_SLIC_STATE_ACTIVE, j); */
1586 j->gpio.bytes.high = 0x0B;
1587 j->gpio.bits.gpio6 = 0;
1588 j->gpio.bits.gpio7 = 0;
1589 ixj_WriteDSPCommand(j->gpio.word, j);
1594 if (j->cardtype == QTI_LINEJACK) {
1595 ixj_WriteDSPCommand(0xC534, j); /* Write CODEC config to Software Control Register */
1597 j->pld_slicw.bits.rly3 = 0;
1598 j->pld_slicw.bits.rly1 = 1;
1599 j->pld_slicw.bits.spken = 0;
1600 outb(j->pld_slicw.byte, j->XILINXbase + 0x01);
1601 j->port = PORT_PSTN;
1607 j->port = PORT_SPEAKER;
1608 switch (j->cardtype) {
1610 if (j->flags.pcmciasct) {
1611 SLIC_SetState(PLD_SLIC_STATE_OC, j);
1614 case QTI_PHONEJACK_PCI:
1615 j->pld_slicw.pcib.mic = 1;
1616 j->pld_slicw.pcib.spk = 1;
1617 outb(j->pld_slicw.byte, j->XILINXbase + 0x01);
1620 ixj_set_pots(j, 0); /* Disconnect POTS/PSTN relay */
1621 if (ixj_WriteDSPCommand(0xC528, j)) /* Write CODEC config to
1622 Software Control Register */
1624 j->pld_scrw.bits.daafsyncen = 0; /* Turn off DAA Frame Sync */
1626 outb(j->pld_scrw.byte, j->XILINXbase);
1627 j->pld_clock.byte = 0;
1628 outb(j->pld_clock.byte, j->XILINXbase + 0x04);
1629 j->pld_slicw.bits.rly1 = 1;
1630 j->pld_slicw.bits.spken = 1;
1631 outb(j->pld_slicw.byte, j->XILINXbase + 0x01);
1632 ixj_mixer(0x1201, j); /* Turn On MIC switch on mixer left */
1633 ixj_mixer(0x1400, j); /* Turn Off Mono1 switch on mixer left */
1634 ixj_mixer(0x1301, j); /* Turn On MIC switch on mixer right */
1635 ixj_mixer(0x1500, j); /* Turn Off Mono1 switch on mixer right */
1636 ixj_mixer(0x0E06, j); /*Mic un-mute 0dB */
1637 ixj_mixer(0x0F80, j); /* Mute mono out (SLIC) */
1638 ixj_mixer(0x0000, j); /* Set Master Left volume to 0dB */
1639 ixj_mixer(0x0100, j); /* Set Master Right volume to 0dB */
1642 j->gpio.bytes.high = 0x0B;
1643 j->gpio.bits.gpio6 = 0;
1644 j->gpio.bits.gpio7 = 1;
1645 ixj_WriteDSPCommand(j->gpio.word, j);
1650 if (j->cardtype != QTI_PHONEJACK) {
1653 j->gpio.bytes.high = 0x0B;
1654 j->gpio.bits.gpio6 = 1;
1655 j->gpio.bits.gpio7 = 0;
1656 ixj_WriteDSPCommand(j->gpio.word, j);
1657 j->port = PORT_HANDSET;
1667 static int ixj_set_pots(IXJ *j, int arg)
1669 if (j->cardtype == QTI_LINEJACK) {
1671 if (j->port == PORT_PSTN) {
1672 j->pld_slicw.bits.rly1 = 0;
1673 outb(j->pld_slicw.byte, j->XILINXbase + 0x01);
1674 j->flags.pots_pstn = 1;
1677 j->flags.pots_pstn = 0;
1681 j->pld_slicw.bits.rly1 = 1;
1682 outb(j->pld_slicw.byte, j->XILINXbase + 0x01);
1683 j->flags.pots_pstn = 0;
1691 static void ixj_ring_on(IXJ *j)
1693 if (j->dsp.low == 0x20) /* Internet PhoneJACK */
1695 if (ixjdebug & 0x0004)
1696 printk(KERN_INFO "IXJ Ring On /dev/phone%d\n", j->board);
1698 j->gpio.bytes.high = 0x0B;
1699 j->gpio.bytes.low = 0x00;
1700 j->gpio.bits.gpio1 = 1;
1701 j->gpio.bits.gpio2 = 1;
1702 j->gpio.bits.gpio5 = 0;
1703 ixj_WriteDSPCommand(j->gpio.word, j); /* send the ring signal */
1704 } else /* Internet LineJACK, Internet PhoneJACK Lite or Internet PhoneJACK PCI */
1706 if (ixjdebug & 0x0004)
1707 printk(KERN_INFO "IXJ Ring On /dev/phone%d\n", j->board);
1709 SLIC_SetState(PLD_SLIC_STATE_RINGING, j);
1713 static int ixj_siadc(IXJ *j, int val)
1715 if(j->cardtype == QTI_PHONECARD){
1716 if(j->flags.pcmciascp){
1718 return j->siadc.bits.rxg;
1720 if(val < 0 || val > 0x1F)
1723 j->siadc.bits.hom = 0; /* Handset Out Mute */
1724 j->siadc.bits.lom = 0; /* Line Out Mute */
1725 j->siadc.bits.rxg = val; /*(0xC000 - 0x41C8) / 0x4EF; RX PGA Gain */
1726 j->psccr.bits.addr = 6; /* R/W Smart Cable Register Address */
1727 j->psccr.bits.rw = 0; /* Read / Write flag */
1728 j->psccr.bits.dev = 0;
1729 outb(j->siadc.byte, j->XILINXbase + 0x00);
1730 outb(j->psccr.byte, j->XILINXbase + 0x01);
1731 ixj_PCcontrol_wait(j);
1732 return j->siadc.bits.rxg;
1738 static int ixj_sidac(IXJ *j, int val)
1740 if(j->cardtype == QTI_PHONECARD){
1741 if(j->flags.pcmciascp){
1743 return j->sidac.bits.txg;
1745 if(val < 0 || val > 0x1F)
1748 j->sidac.bits.srm = 1; /* Speaker Right Mute */
1749 j->sidac.bits.slm = 1; /* Speaker Left Mute */
1750 j->sidac.bits.txg = val; /* (0xC000 - 0x45E4) / 0x5D3; TX PGA Gain */
1751 j->psccr.bits.addr = 7; /* R/W Smart Cable Register Address */
1752 j->psccr.bits.rw = 0; /* Read / Write flag */
1753 j->psccr.bits.dev = 0;
1754 outb(j->sidac.byte, j->XILINXbase + 0x00);
1755 outb(j->psccr.byte, j->XILINXbase + 0x01);
1756 ixj_PCcontrol_wait(j);
1757 return j->sidac.bits.txg;
1763 static int ixj_pcmcia_cable_check(IXJ *j)
1765 j->pccr1.byte = inb_p(j->XILINXbase + 0x03);
1766 if (!j->flags.pcmciastate) {
1767 j->pccr2.byte = inb_p(j->XILINXbase + 0x02);
1768 if (j->pccr1.bits.drf || j->pccr2.bits.rstc) {
1769 j->flags.pcmciastate = 4;
1772 if (j->pccr1.bits.ed) {
1773 j->pccr1.bits.ed = 0;
1774 j->psccr.bits.dev = 3;
1775 j->psccr.bits.rw = 1;
1776 outw_p(j->psccr.byte << 8, j->XILINXbase + 0x00);
1777 ixj_PCcontrol_wait(j);
1778 j->pslic.byte = inw_p(j->XILINXbase + 0x00) & 0xFF;
1779 j->pslic.bits.led2 = j->pslic.bits.det ? 1 : 0;
1780 j->psccr.bits.dev = 3;
1781 j->psccr.bits.rw = 0;
1782 outw_p(j->psccr.byte << 8 | j->pslic.byte, j->XILINXbase + 0x00);
1783 ixj_PCcontrol_wait(j);
1784 return j->pslic.bits.led2 ? 1 : 0;
1785 } else if (j->flags.pcmciasct) {
1790 } else if (j->flags.pcmciastate == 4) {
1791 if (!j->pccr1.bits.drf) {
1792 j->flags.pcmciastate = 3;
1795 } else if (j->flags.pcmciastate == 3) {
1796 j->pccr2.bits.pwr = 0;
1797 j->pccr2.bits.rstc = 1;
1798 outb(j->pccr2.byte, j->XILINXbase + 0x02);
1799 j->checkwait = jiffies + (hertz * 2);
1800 j->flags.incheck = 1;
1801 j->flags.pcmciastate = 2;
1803 } else if (j->flags.pcmciastate == 2) {
1804 if (j->flags.incheck) {
1805 if (time_before(jiffies, j->checkwait)) {
1808 j->flags.incheck = 0;
1811 j->pccr2.bits.pwr = 0;
1812 j->pccr2.bits.rstc = 0;
1813 outb_p(j->pccr2.byte, j->XILINXbase + 0x02);
1814 j->flags.pcmciastate = 1;
1816 } else if (j->flags.pcmciastate == 1) {
1817 j->flags.pcmciastate = 0;
1818 if (!j->pccr1.bits.drf) {
1819 j->psccr.bits.dev = 3;
1820 j->psccr.bits.rw = 1;
1821 outb_p(j->psccr.byte, j->XILINXbase + 0x01);
1822 ixj_PCcontrol_wait(j);
1823 j->flags.pcmciascp = 1; /* Set Cable Present Flag */
1825 j->flags.pcmciasct = (inw_p(j->XILINXbase + 0x00) >> 8) & 0x03; /* Get Cable Type */
1827 if (j->flags.pcmciasct == 3) {
1828 j->flags.pcmciastate = 4;
1830 } else if (j->flags.pcmciasct == 0) {
1831 j->pccr2.bits.pwr = 1;
1832 j->pccr2.bits.rstc = 0;
1833 outb_p(j->pccr2.byte, j->XILINXbase + 0x02);
1834 j->port = PORT_SPEAKER;
1836 j->port = PORT_POTS;
1838 j->sic1.bits.cpd = 0; /* Chip Power Down */
1839 j->sic1.bits.mpd = 0; /* MIC Bias Power Down */
1840 j->sic1.bits.hpd = 0; /* Handset Bias Power Down */
1841 j->sic1.bits.lpd = 0; /* Line Bias Power Down */
1842 j->sic1.bits.spd = 1; /* Speaker Drive Power Down */
1843 j->psccr.bits.addr = 1; /* R/W Smart Cable Register Address */
1844 j->psccr.bits.rw = 0; /* Read / Write flag */
1845 j->psccr.bits.dev = 0;
1846 outb(j->sic1.byte, j->XILINXbase + 0x00);
1847 outb(j->psccr.byte, j->XILINXbase + 0x01);
1848 ixj_PCcontrol_wait(j);
1850 j->sic2.bits.al = 0; /* Analog Loopback DAC analog -> ADC analog */
1851 j->sic2.bits.dl2 = 0; /* Digital Loopback DAC -> ADC one bit */
1852 j->sic2.bits.dl1 = 0; /* Digital Loopback ADC -> DAC one bit */
1853 j->sic2.bits.pll = 0; /* 1 = div 10, 0 = div 5 */
1854 j->sic2.bits.hpd = 0; /* HPF disable */
1855 j->psccr.bits.addr = 2; /* R/W Smart Cable Register Address */
1856 j->psccr.bits.rw = 0; /* Read / Write flag */
1857 j->psccr.bits.dev = 0;
1858 outb(j->sic2.byte, j->XILINXbase + 0x00);
1859 outb(j->psccr.byte, j->XILINXbase + 0x01);
1860 ixj_PCcontrol_wait(j);
1862 j->psccr.bits.addr = 3; /* R/W Smart Cable Register Address */
1863 j->psccr.bits.rw = 0; /* Read / Write flag */
1864 j->psccr.bits.dev = 0;
1865 outb(0x00, j->XILINXbase + 0x00); /* PLL Divide N1 */
1866 outb(j->psccr.byte, j->XILINXbase + 0x01);
1867 ixj_PCcontrol_wait(j);
1869 j->psccr.bits.addr = 4; /* R/W Smart Cable Register Address */
1870 j->psccr.bits.rw = 0; /* Read / Write flag */
1871 j->psccr.bits.dev = 0;
1872 outb(0x09, j->XILINXbase + 0x00); /* PLL Multiply M1 */
1873 outb(j->psccr.byte, j->XILINXbase + 0x01);
1874 ixj_PCcontrol_wait(j);
1876 j->sirxg.bits.lig = 1; /* Line In Gain */
1877 j->sirxg.bits.lim = 1; /* Line In Mute */
1878 j->sirxg.bits.mcg = 0; /* MIC In Gain was 3 */
1879 j->sirxg.bits.mcm = 0; /* MIC In Mute */
1880 j->sirxg.bits.him = 0; /* Handset In Mute */
1881 j->sirxg.bits.iir = 1; /* IIR */
1882 j->psccr.bits.addr = 5; /* R/W Smart Cable Register Address */
1883 j->psccr.bits.rw = 0; /* Read / Write flag */
1884 j->psccr.bits.dev = 0;
1885 outb(j->sirxg.byte, j->XILINXbase + 0x00);
1886 outb(j->psccr.byte, j->XILINXbase + 0x01);
1887 ixj_PCcontrol_wait(j);
1892 j->siaatt.bits.sot = 0;
1893 j->psccr.bits.addr = 9; /* R/W Smart Cable Register Address */
1894 j->psccr.bits.rw = 0; /* Read / Write flag */
1895 j->psccr.bits.dev = 0;
1896 outb(j->siaatt.byte, j->XILINXbase + 0x00);
1897 outb(j->psccr.byte, j->XILINXbase + 0x01);
1898 ixj_PCcontrol_wait(j);
1900 if (j->flags.pcmciasct == 1 && !j->readers && !j->writers) {
1901 j->psccr.byte = j->pslic.byte = 0;
1902 j->pslic.bits.powerdown = 1;
1903 j->psccr.bits.dev = 3;
1904 j->psccr.bits.rw = 0;
1905 outw_p(j->psccr.byte << 8 | j->pslic.byte, j->XILINXbase + 0x00);
1906 ixj_PCcontrol_wait(j);
1911 j->flags.pcmciascp = 0;
1917 static int ixj_hookstate(IXJ *j)
1921 switch (j->cardtype) {
1924 fOffHook = j->gpio.bits.gpio3read ? 1 : 0;
1927 case QTI_PHONEJACK_LITE:
1928 case QTI_PHONEJACK_PCI:
1930 if(j->cardtype == QTI_LINEJACK && j->flags.pots_pstn == 1 && (j->readers || j->writers)) {
1931 fOffHook = j->pld_slicr.bits.potspstn ? 1 : 0;
1932 if(fOffHook != j->p_hook) {
1934 j->checkwait = jiffies;
1936 if(time_before(jiffies, j->checkwait + 2)) {
1941 j->p_hook = fOffHook;
1942 printk("IXJ : /dev/phone%d pots-pstn hookstate check %d at %ld\n", j->board, fOffHook, jiffies);
1945 if (j->pld_slicr.bits.state == PLD_SLIC_STATE_ACTIVE ||
1946 j->pld_slicr.bits.state == PLD_SLIC_STATE_STANDBY) {
1947 if (j->flags.ringing || j->flags.cringing) {
1948 if (!in_interrupt()) {
1952 if (j->pld_slicr.bits.state == PLD_SLIC_STATE_RINGING) {
1956 if (j->cardtype == QTI_PHONEJACK_PCI) {
1957 j->pld_scrr.byte = inb_p(j->XILINXbase);
1958 fOffHook = j->pld_scrr.pcib.det ? 1 : 0;
1960 fOffHook = j->pld_slicr.bits.det ? 1 : 0;
1965 fOffHook = ixj_pcmcia_cable_check(j);
1968 if (j->r_hook != fOffHook) {
1969 j->r_hook = fOffHook;
1970 if (j->port == PORT_SPEAKER || j->port == PORT_HANDSET) { // || (j->port == PORT_PSTN && j->flags.pots_pstn == 0)) {
1971 j->ex.bits.hookstate = 1;
1972 ixj_kill_fasync(j, SIG_HOOKSTATE, POLL_IN);
1973 } else if (!fOffHook) {
1974 j->flash_end = jiffies + ((60 * hertz) / 100);
1978 if(time_before(jiffies, j->flash_end)) {
1979 j->ex.bits.flash = 1;
1981 ixj_kill_fasync(j, SIG_FLASH, POLL_IN);
1984 if(time_before(jiffies, j->flash_end)) {
1989 if (j->port == PORT_PSTN && j->daa_mode == SOP_PU_CONVERSATION)
1992 if (j->port == PORT_SPEAKER) {
1993 if(j->cardtype == QTI_PHONECARD) {
1994 if(j->flags.pcmciascp && j->flags.pcmciasct) {
2002 if (j->port == PORT_HANDSET)
2008 static void ixj_ring_off(IXJ *j)
2010 if (j->dsp.low == 0x20) /* Internet PhoneJACK */
2012 if (ixjdebug & 0x0004)
2013 printk(KERN_INFO "IXJ Ring Off\n");
2014 j->gpio.bytes.high = 0x0B;
2015 j->gpio.bytes.low = 0x00;
2016 j->gpio.bits.gpio1 = 0;
2017 j->gpio.bits.gpio2 = 1;
2018 j->gpio.bits.gpio5 = 0;
2019 ixj_WriteDSPCommand(j->gpio.word, j);
2020 } else /* Internet LineJACK */
2022 if (ixjdebug & 0x0004)
2023 printk(KERN_INFO "IXJ Ring Off\n");
2025 if(!j->flags.cidplay)
2026 SLIC_SetState(PLD_SLIC_STATE_STANDBY, j);
2032 static void ixj_ring_start(IXJ *j)
2034 j->flags.cringing = 1;
2035 if (ixjdebug & 0x0004)
2036 printk(KERN_INFO "IXJ Cadence Ringing Start /dev/phone%d\n", j->board);
2037 if (ixj_hookstate(j) & 1) {
2038 if (j->port == PORT_POTS)
2040 j->flags.cringing = 0;
2041 if (ixjdebug & 0x0004)
2042 printk(KERN_INFO "IXJ Cadence Ringing Stopped /dev/phone%d off hook\n", j->board);
2043 } else if(j->cadence_f[5].enable && (!j->cadence_f[5].en_filter)) {
2044 j->ring_cadence_jif = jiffies;
2045 j->flags.cidsent = j->flags.cidring = 0;
2046 j->cadence_f[5].state = 0;
2047 if(j->cadence_f[5].on1)
2050 j->ring_cadence_jif = jiffies;
2051 j->ring_cadence_t = 15;
2052 if (j->ring_cadence & 1 << j->ring_cadence_t) {
2057 j->flags.cidsent = j->flags.cidring = j->flags.firstring = 0;
2061 static int ixj_ring(IXJ *j)
2066 j->flags.ringing = 1;
2067 if (ixj_hookstate(j) & 1) {
2069 j->flags.ringing = 0;
2072 for (cntr = 0; cntr < j->maxrings; cntr++) {
2073 jif = jiffies + (1 * hertz);
2075 while (time_before(jiffies, jif)) {
2076 if (ixj_hookstate(j) & 1) {
2078 j->flags.ringing = 0;
2081 schedule_timeout_interruptible(1);
2082 if (signal_pending(current))
2085 jif = jiffies + (3 * hertz);
2087 while (time_before(jiffies, jif)) {
2088 if (ixj_hookstate(j) & 1) {
2090 if (ixj_hookstate(j) & 1) {
2091 j->flags.ringing = 0;
2095 schedule_timeout_interruptible(1);
2096 if (signal_pending(current))
2101 j->flags.ringing = 0;
2105 static int ixj_open(struct phone_device *p, struct file *file_p)
2107 IXJ *j = get_ixj(p->board);
2108 file_p->private_data = j;
2113 if (file_p->f_mode & FMODE_READ) {
2121 if (file_p->f_mode & FMODE_WRITE) {
2125 if (file_p->f_mode & FMODE_READ){
2132 if (j->cardtype == QTI_PHONECARD) {
2133 j->pslic.bits.powerdown = 0;
2134 j->psccr.bits.dev = 3;
2135 j->psccr.bits.rw = 0;
2136 outw_p(j->psccr.byte << 8 | j->pslic.byte, j->XILINXbase + 0x00);
2137 ixj_PCcontrol_wait(j);
2140 j->flags.cidplay = 0;
2141 j->flags.cidcw_ack = 0;
2143 if (ixjdebug & 0x0002)
2144 printk(KERN_INFO "Opening board %d\n", p->board);
2146 j->framesread = j->frameswritten = 0;
2150 static int ixj_release(struct inode *inode, struct file *file_p)
2154 IXJ *j = file_p->private_data;
2155 int board = j->p.board;
2158 * Set up locks to ensure that only one process is talking to the DSP at a time.
2159 * This is necessary to keep the DSP from locking up.
2161 while(test_and_set_bit(board, (void *)&j->busyflags) != 0)
2162 schedule_timeout_interruptible(1);
2163 if (ixjdebug & 0x0002)
2164 printk(KERN_INFO "Closing board %d\n", NUM(inode));
2166 if (j->cardtype == QTI_PHONECARD)
2167 ixj_set_port(j, PORT_SPEAKER);
2169 ixj_set_port(j, PORT_POTS);
2174 set_play_volume(j, 0x100);
2175 set_rec_volume(j, 0x100);
2178 /* Restore the tone table to default settings. */
2184 ixj_init_tone(j, &ti);
2190 ixj_init_tone(j, &ti);
2196 ixj_init_tone(j, &ti);
2202 ixj_init_tone(j, &ti);
2208 ixj_init_tone(j, &ti);
2214 ixj_init_tone(j, &ti);
2220 ixj_init_tone(j, &ti);
2226 ixj_init_tone(j, &ti);
2232 ixj_init_tone(j, &ti);
2238 ixj_init_tone(j, &ti);
2244 ixj_init_tone(j, &ti);
2250 ixj_init_tone(j, &ti);
2256 ixj_init_tone(j, &ti);
2262 ixj_init_tone(j, &ti);
2268 ixj_init_tone(j, &ti);
2274 ixj_init_tone(j, &ti);
2280 ixj_init_tone(j, &ti);
2286 ixj_init_tone(j, &ti);
2288 set_rec_depth(j, 2); /* Set Record Channel Limit to 2 frames */
2290 set_play_depth(j, 2); /* Set Playback Channel Limit to 2 frames */
2292 j->ex.bits.dtmf_ready = 0;
2294 j->dtmf_wp = j->dtmf_rp = 0;
2295 j->rec_mode = j->play_mode = -1;
2296 j->flags.ringing = 0;
2297 j->maxrings = MAXRINGS;
2298 j->ring_cadence = USA_RING_CADENCE;
2299 if(j->cadence_f[5].enable) {
2300 j->cadence_f[5].enable = j->cadence_f[5].en_filter = j->cadence_f[5].state = 0;
2304 j->flags.dtmf_oob = 0;
2305 for (cnt = 0; cnt < 4; cnt++)
2306 j->cadence_f[cnt].enable = 0;
2310 if(j->cardtype == QTI_PHONECARD) {
2311 SLIC_SetState(PLD_SLIC_STATE_OC, j);
2314 if (file_p->f_mode & FMODE_READ)
2316 if (file_p->f_mode & FMODE_WRITE)
2319 if (j->read_buffer && !j->readers) {
2320 kfree(j->read_buffer);
2321 j->read_buffer = NULL;
2322 j->read_buffer_size = 0;
2324 if (j->write_buffer && !j->writers) {
2325 kfree(j->write_buffer);
2326 j->write_buffer = NULL;
2327 j->write_buffer_size = 0;
2329 j->rec_codec = j->play_codec = 0;
2330 j->rec_frame_size = j->play_frame_size = 0;
2331 j->flags.cidsent = j->flags.cidring = 0;
2333 if(j->cardtype == QTI_LINEJACK && !j->readers && !j->writers) {
2334 ixj_set_port(j, PORT_PSTN);
2335 daa_set_mode(j, SOP_PU_SLEEP);
2338 ixj_WriteDSPCommand(0x0FE3, j); /* Put the DSP in 1/5 power mode. */
2340 /* Set up the default signals for events */
2341 for (cnt = 0; cnt < 35; cnt++)
2342 j->ixj_signals[cnt] = SIGIO;
2344 /* Set the excetion signal enable flags */
2345 j->ex_sig.bits.dtmf_ready = j->ex_sig.bits.hookstate = j->ex_sig.bits.flash = j->ex_sig.bits.pstn_ring =
2346 j->ex_sig.bits.caller_id = j->ex_sig.bits.pstn_wink = j->ex_sig.bits.f0 = j->ex_sig.bits.f1 = j->ex_sig.bits.f2 =
2347 j->ex_sig.bits.f3 = j->ex_sig.bits.fc0 = j->ex_sig.bits.fc1 = j->ex_sig.bits.fc2 = j->ex_sig.bits.fc3 = 1;
2349 file_p->private_data = NULL;
2350 clear_bit(board, &j->busyflags);
2354 static int read_filters(IXJ *j)
2356 unsigned short fc, cnt, trg;
2360 if (ixj_WriteDSPCommand(0x5144, j)) {
2361 if(ixjdebug & 0x0001) {
2362 printk(KERN_INFO "Read Frame Counter failed!\n");
2366 fc = j->ssr.high << 8 | j->ssr.low;
2367 if (fc == j->frame_count)
2370 j->frame_count = fc;
2377 for (cnt = 0; cnt < 4; cnt++) {
2378 if (ixj_WriteDSPCommand(0x5154 + cnt, j)) {
2379 if(ixjdebug & 0x0001) {
2380 printk(KERN_INFO "Select Filter %d failed!\n", cnt);
2384 if (ixj_WriteDSPCommand(0x515C, j)) {
2385 if(ixjdebug & 0x0001) {
2386 printk(KERN_INFO "Read Filter History %d failed!\n", cnt);
2390 j->filter_hist[cnt] = j->ssr.high << 8 | j->ssr.low;
2392 if (j->cadence_f[cnt].enable) {
2393 if (j->filter_hist[cnt] & 3 && !(j->filter_hist[cnt] & 12)) {
2394 if (j->cadence_f[cnt].state == 0) {
2395 j->cadence_f[cnt].state = 1;
2396 j->cadence_f[cnt].on1min = jiffies + (long)((j->cadence_f[cnt].on1 * (hertz * (100 - var)) / 10000));
2397 j->cadence_f[cnt].on1dot = jiffies + (long)((j->cadence_f[cnt].on1 * (hertz * (100)) / 10000));
2398 j->cadence_f[cnt].on1max = jiffies + (long)((j->cadence_f[cnt].on1 * (hertz * (100 + var)) / 10000));
2399 } else if (j->cadence_f[cnt].state == 2 &&
2400 (time_after(jiffies, j->cadence_f[cnt].off1min) &&
2401 time_before(jiffies, j->cadence_f[cnt].off1max))) {
2402 if (j->cadence_f[cnt].on2) {
2403 j->cadence_f[cnt].state = 3;
2404 j->cadence_f[cnt].on2min = jiffies + (long)((j->cadence_f[cnt].on2 * (hertz * (100 - var)) / 10000));
2405 j->cadence_f[cnt].on2dot = jiffies + (long)((j->cadence_f[cnt].on2 * (hertz * (100)) / 10000));
2406 j->cadence_f[cnt].on2max = jiffies + (long)((j->cadence_f[cnt].on2 * (hertz * (100 + var)) / 10000));
2408 j->cadence_f[cnt].state = 7;
2410 } else if (j->cadence_f[cnt].state == 4 &&
2411 (time_after(jiffies, j->cadence_f[cnt].off2min) &&
2412 time_before(jiffies, j->cadence_f[cnt].off2max))) {
2413 if (j->cadence_f[cnt].on3) {
2414 j->cadence_f[cnt].state = 5;
2415 j->cadence_f[cnt].on3min = jiffies + (long)((j->cadence_f[cnt].on3 * (hertz * (100 - var)) / 10000));
2416 j->cadence_f[cnt].on3dot = jiffies + (long)((j->cadence_f[cnt].on3 * (hertz * (100)) / 10000));
2417 j->cadence_f[cnt].on3max = jiffies + (long)((j->cadence_f[cnt].on3 * (hertz * (100 + var)) / 10000));
2419 j->cadence_f[cnt].state = 7;
2422 j->cadence_f[cnt].state = 0;
2424 } else if (j->filter_hist[cnt] & 12 && !(j->filter_hist[cnt] & 3)) {
2425 if (j->cadence_f[cnt].state == 1) {
2426 if(!j->cadence_f[cnt].on1) {
2427 j->cadence_f[cnt].state = 7;
2428 } else if((time_after(jiffies, j->cadence_f[cnt].on1min) &&
2429 time_before(jiffies, j->cadence_f[cnt].on1max))) {
2430 if(j->cadence_f[cnt].off1) {
2431 j->cadence_f[cnt].state = 2;
2432 j->cadence_f[cnt].off1min = jiffies + (long)((j->cadence_f[cnt].off1 * (hertz * (100 - var)) / 10000));
2433 j->cadence_f[cnt].off1dot = jiffies + (long)((j->cadence_f[cnt].off1 * (hertz * (100)) / 10000));
2434 j->cadence_f[cnt].off1max = jiffies + (long)((j->cadence_f[cnt].off1 * (hertz * (100 + var)) / 10000));
2436 j->cadence_f[cnt].state = 7;
2439 j->cadence_f[cnt].state = 0;
2441 } else if (j->cadence_f[cnt].state == 3) {
2442 if((time_after(jiffies, j->cadence_f[cnt].on2min) &&
2443 time_before(jiffies, j->cadence_f[cnt].on2max))) {
2444 if(j->cadence_f[cnt].off2) {
2445 j->cadence_f[cnt].state = 4;
2446 j->cadence_f[cnt].off2min = jiffies + (long)((j->cadence_f[cnt].off2 * (hertz * (100 - var)) / 10000));
2447 j->cadence_f[cnt].off2dot = jiffies + (long)((j->cadence_f[cnt].off2 * (hertz * (100)) / 10000));
2448 j->cadence_f[cnt].off2max = jiffies + (long)((j->cadence_f[cnt].off2 * (hertz * (100 + var)) / 10000));
2450 j->cadence_f[cnt].state = 7;
2453 j->cadence_f[cnt].state = 0;
2455 } else if (j->cadence_f[cnt].state == 5) {
2456 if ((time_after(jiffies, j->cadence_f[cnt].on3min) &&
2457 time_before(jiffies, j->cadence_f[cnt].on3max))) {
2458 if(j->cadence_f[cnt].off3) {
2459 j->cadence_f[cnt].state = 6;
2460 j->cadence_f[cnt].off3min = jiffies + (long)((j->cadence_f[cnt].off3 * (hertz * (100 - var)) / 10000));
2461 j->cadence_f[cnt].off3dot = jiffies + (long)((j->cadence_f[cnt].off3 * (hertz * (100)) / 10000));
2462 j->cadence_f[cnt].off3max = jiffies + (long)((j->cadence_f[cnt].off3 * (hertz * (100 + var)) / 10000));
2464 j->cadence_f[cnt].state = 7;
2467 j->cadence_f[cnt].state = 0;
2470 j->cadence_f[cnt].state = 0;
2473 switch(j->cadence_f[cnt].state) {
2475 if(time_after(jiffies, j->cadence_f[cnt].on1dot) &&
2476 !j->cadence_f[cnt].off1 &&
2477 !j->cadence_f[cnt].on2 && !j->cadence_f[cnt].off2 &&
2478 !j->cadence_f[cnt].on3 && !j->cadence_f[cnt].off3) {
2479 j->cadence_f[cnt].state = 7;
2483 if(time_after(jiffies, j->cadence_f[cnt].on2dot) &&
2484 !j->cadence_f[cnt].off2 &&
2485 !j->cadence_f[cnt].on3 && !j->cadence_f[cnt].off3) {
2486 j->cadence_f[cnt].state = 7;
2490 if(time_after(jiffies, j->cadence_f[cnt].on3dot) &&
2491 !j->cadence_f[cnt].off3) {
2492 j->cadence_f[cnt].state = 7;
2498 if (ixjdebug & 0x0040) {
2499 printk(KERN_INFO "IXJ Tone Cadence state = %d /dev/phone%d at %ld\n", j->cadence_f[cnt].state, j->board, jiffies);
2500 switch(j->cadence_f[cnt].state) {
2502 printk(KERN_INFO "IXJ /dev/phone%d No Tone detected\n", j->board);
2505 printk(KERN_INFO "IXJ /dev/phone%d Next Tone Cadence state at %u %ld - %ld - %ld\n", j->board,
2506 j->cadence_f[cnt].on1, j->cadence_f[cnt].on1min, j->cadence_f[cnt].on1dot, j->cadence_f[cnt].on1max);
2509 printk(KERN_INFO "IXJ /dev/phone%d Next Tone Cadence state at %ld - %ld\n", j->board, j->cadence_f[cnt].off1min,
2510 j->cadence_f[cnt].off1max);
2513 printk(KERN_INFO "IXJ /dev/phone%d Next Tone Cadence state at %ld - %ld\n", j->board, j->cadence_f[cnt].on2min,
2514 j->cadence_f[cnt].on2max);
2517 printk(KERN_INFO "IXJ /dev/phone%d Next Tone Cadence state at %ld - %ld\n", j->board, j->cadence_f[cnt].off2min,
2518 j->cadence_f[cnt].off2max);
2521 printk(KERN_INFO "IXJ /dev/phone%d Next Tone Cadence state at %ld - %ld\n", j->board, j->cadence_f[cnt].on3min,
2522 j->cadence_f[cnt].on3max);
2525 printk(KERN_INFO "IXJ /dev/phone%d Next Tone Cadence state at %ld - %ld\n", j->board, j->cadence_f[cnt].off3min,
2526 j->cadence_f[cnt].off3max);
2531 if (j->cadence_f[cnt].state == 7) {
2532 j->cadence_f[cnt].state = 0;
2533 if (j->cadence_f[cnt].enable == 1)
2534 j->cadence_f[cnt].enable = 0;
2537 if(ixjdebug & 0x0020) {
2538 printk(KERN_INFO "Filter Cadence 0 triggered %ld\n", jiffies);
2541 ixj_kill_fasync(j, SIG_FC0, POLL_IN);
2544 if(ixjdebug & 0x0020) {
2545 printk(KERN_INFO "Filter Cadence 1 triggered %ld\n", jiffies);
2548 ixj_kill_fasync(j, SIG_FC1, POLL_IN);
2551 if(ixjdebug & 0x0020) {
2552 printk(KERN_INFO "Filter Cadence 2 triggered %ld\n", jiffies);
2555 ixj_kill_fasync(j, SIG_FC2, POLL_IN);
2558 if(ixjdebug & 0x0020) {
2559 printk(KERN_INFO "Filter Cadence 3 triggered %ld\n", jiffies);
2562 ixj_kill_fasync(j, SIG_FC3, POLL_IN);
2566 if (j->filter_en[cnt] && ((j->filter_hist[cnt] & 3 && !(j->filter_hist[cnt] & 12)) ||
2567 (j->filter_hist[cnt] & 12 && !(j->filter_hist[cnt] & 3)))) {
2568 if((j->filter_hist[cnt] & 3 && !(j->filter_hist[cnt] & 12))) {
2570 } else if((j->filter_hist[cnt] & 12 && !(j->filter_hist[cnt] & 3))) {
2575 if(ixjdebug & 0x0020) {
2576 printk(KERN_INFO "Filter 0 triggered %d at %ld\n", trg, jiffies);
2579 ixj_kill_fasync(j, SIG_F0, POLL_IN);
2582 if(ixjdebug & 0x0020) {
2583 printk(KERN_INFO "Filter 1 triggered %d at %ld\n", trg, jiffies);
2586 ixj_kill_fasync(j, SIG_F1, POLL_IN);
2589 if(ixjdebug & 0x0020) {
2590 printk(KERN_INFO "Filter 2 triggered %d at %ld\n", trg, jiffies);
2593 ixj_kill_fasync(j, SIG_F2, POLL_IN);
2596 if(ixjdebug & 0x0020) {
2597 printk(KERN_INFO "Filter 3 triggered %d at %ld\n", trg, jiffies);
2600 ixj_kill_fasync(j, SIG_F3, POLL_IN);