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ixj.c
10556 lines (9742 loc) · 313 KB
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ixj.c
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/****************************************************************************
* ixj.c
*
* Device Driver for Quicknet Technologies, Inc.'s Telephony cards
* including the Internet PhoneJACK, Internet PhoneJACK Lite,
* Internet PhoneJACK PCI, Internet LineJACK, Internet PhoneCARD and
* SmartCABLE
*
* (c) Copyright 1999-2001 Quicknet Technologies, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* Author: Ed Okerson, <eokerson@quicknet.net>
*
* Contributors: Greg Herlein, <gherlein@quicknet.net>
* David W. Erhart, <derhart@quicknet.net>
* John Sellers, <jsellers@quicknet.net>
* Mike Preston, <mpreston@quicknet.net>
*
* Fixes: David Huggins-Daines, <dhd@cepstral.com>
* Fabio Ferrari, <fabio.ferrari@digitro.com.br>
* Artis Kugevics, <artis@mt.lv>
* Daniele Bellucci, <bellucda@tiscali.it>
*
* More information about the hardware related to this driver can be found
* at our website: http://www.quicknet.net
*
* IN NO EVENT SHALL QUICKNET TECHNOLOGIES, INC. BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
* OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF QUICKNET
* TECHNOLOGIES, INC. HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* QUICKNET TECHNOLOGIES, INC. SPECIFICALLY DISCLAIMS ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND QUICKNET TECHNOLOGIES, INC. HAS NO OBLIGATION
* TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
***************************************************************************/
/*
* Revision 4.8 2003/07/09 19:39:00 Daniele Bellucci
* Audit some copy_*_user and minor cleanup.
*
* Revision 4.7 2001/08/13 06:19:33 craigs
* Added additional changes from Alan Cox and John Anderson for
* 2.2 to 2.4 cleanup and bounds checking
*
* Revision 4.6 2001/08/13 01:05:05 craigs
* Really fixed PHONE_QUERY_CODEC problem this time
*
* Revision 4.5 2001/08/13 00:11:03 craigs
* Fixed problem in handling of PHONE_QUERY_CODEC, thanks to Shane Anderson
*
* Revision 4.4 2001/08/07 07:58:12 craigs
* Changed back to three digit version numbers
* Added tagbuild target to allow automatic and easy tagging of versions
*
* Revision 4.3 2001/08/07 07:24:47 craigs
* Added ixj-ver.h to allow easy configuration management of driver
* Added display of version number in /prox/ixj
*
* Revision 4.2 2001/08/06 07:07:19 craigs
* Reverted IXJCTL_DSP_TYPE and IXJCTL_DSP_VERSION files to original
* behaviour of returning int rather than short *
*
* Revision 4.1 2001/08/05 00:17:37 craigs
* More changes for correct PCMCIA installation
* Start of changes for backward Linux compatibility
*
* Revision 4.0 2001/08/04 12:33:12 craigs
* New version using GNU autoconf
*
* Revision 3.105 2001/07/20 23:14:32 eokerson
* More work on CallerID generation when using ring cadences.
*
* Revision 3.104 2001/07/06 01:33:55 eokerson
* Some bugfixes from Robert Vojta <vojta@ipex.cz> and a few mods to the Makefile.
*
* Revision 3.103 2001/07/05 19:20:16 eokerson
* Updated HOWTO
* Changed mic gain to 30dB on Internet LineJACK mic/speaker port.
*
* Revision 3.102 2001/07/03 23:51:21 eokerson
* Un-mute mic on Internet LineJACK when in speakerphone mode.
*
* Revision 3.101 2001/07/02 19:26:56 eokerson
* Removed initialiazation of ixjdebug and ixj_convert_loaded so they will go in the .bss instead of the .data
*
* Revision 3.100 2001/07/02 19:18:27 eokerson
* Changed driver to make dynamic allocation possible. We now pass IXJ * between functions instead of array indexes.
* Fixed the way the POTS and PSTN ports interact during a PSTN call to allow local answering.
* Fixed speaker mode on Internet LineJACK.
*
* Revision 3.99 2001/05/09 14:11:16 eokerson
* Fixed kmalloc error in ixj_build_filter_cadence. Thanks David Chan <cat@waulogy.stanford.edu>.
*
* Revision 3.98 2001/05/08 19:55:33 eokerson
* Fixed POTS hookstate detection while it is connected to PSTN port.
*
* Revision 3.97 2001/05/08 00:01:04 eokerson
* Fixed kernel oops when sending caller ID data.
*
* Revision 3.96 2001/05/04 23:09:30 eokerson
* Now uses one kernel timer for each card, instead of one for the entire driver.
*
* Revision 3.95 2001/04/25 22:06:47 eokerson
* Fixed squawking at beginning of some G.723.1 calls.
*
* Revision 3.94 2001/04/03 23:42:00 eokerson
* Added linear volume ioctls
* Added raw filter load ioctl
*
* Revision 3.93 2001/02/27 01:00:06 eokerson
* Fixed blocking in CallerID.
* Reduced size of ixj structure for smaller driver footprint.
*
* Revision 3.92 2001/02/20 22:02:59 eokerson
* Fixed isapnp and pcmcia module compatibility for 2.4.x kernels.
* Improved PSTN ring detection.
* Fixed wink generation on POTS ports.
*
* Revision 3.91 2001/02/13 00:55:44 eokerson
* Turn AEC back on after changing frame sizes.
*
* Revision 3.90 2001/02/12 16:42:00 eokerson
* Added ALAW codec, thanks to Fabio Ferrari for the table based converters to make ALAW from ULAW.
*
* Revision 3.89 2001/02/12 15:41:16 eokerson
* Fix from Artis Kugevics - Tone gains were not being set correctly.
*
* Revision 3.88 2001/02/05 23:25:42 eokerson
* Fixed lockup bugs with deregister.
*
* Revision 3.87 2001/01/29 21:00:39 eokerson
* Fix from Fabio Ferrari <fabio.ferrari@digitro.com.br> to properly handle EAGAIN and EINTR during non-blocking write.
* Updated copyright date.
*
* Revision 3.86 2001/01/23 23:53:46 eokerson
* Fixes to G.729 compatibility.
*
* Revision 3.85 2001/01/23 21:30:36 eokerson
* Added verbage about cards supported.
* Removed commands that put the card in low power mode at some times that it should not be in low power mode.
*
* Revision 3.84 2001/01/22 23:32:10 eokerson
* Some bugfixes from David Huggins-Daines, <dhd@cepstral.com> and other cleanups.
*
* Revision 3.83 2001/01/19 14:51:41 eokerson
* Fixed ixj_WriteDSPCommand to decrement usage counter when command fails.
*
* Revision 3.82 2001/01/19 00:34:49 eokerson
* Added verbosity to write overlap errors.
*
* Revision 3.81 2001/01/18 23:56:54 eokerson
* Fixed PSTN line test functions.
*
* Revision 3.80 2001/01/18 22:29:27 eokerson
* Updated AEC/AGC values for different cards.
*
* Revision 3.79 2001/01/17 02:58:54 eokerson
* Fixed AEC reset after Caller ID.
* Fixed Codec lockup after Caller ID on Call Waiting when not using 30ms frames.
*
* Revision 3.78 2001/01/16 19:43:09 eokerson
* Added support for Linux 2.4.x kernels.
*
* Revision 3.77 2001/01/09 04:00:52 eokerson
* Linetest will now test the line, even if it has previously succeded.
*
* Revision 3.76 2001/01/08 19:27:00 eokerson
* Fixed problem with standard cable on Internet PhoneCARD.
*
* Revision 3.75 2000/12/22 16:52:14 eokerson
* Modified to allow hookstate detection on the POTS port when the PSTN port is selected.
*
* Revision 3.74 2000/12/08 22:41:50 eokerson
* Added capability for G729B.
*
* Revision 3.73 2000/12/07 23:35:16 eokerson
* Added capability to have different ring pattern before CallerID data.
* Added hookstate checks in CallerID routines to stop FSK.
*
* Revision 3.72 2000/12/06 19:31:31 eokerson
* Modified signal behavior to only send one signal per event.
*
* Revision 3.71 2000/12/06 03:23:08 eokerson
* Fixed CallerID on Call Waiting.
*
* Revision 3.70 2000/12/04 21:29:37 eokerson
* Added checking to Smart Cable gain functions.
*
* Revision 3.69 2000/12/04 21:05:20 eokerson
* Changed ixjdebug levels.
* Added ioctls to change gains in Internet Phone CARD Smart Cable.
*
* Revision 3.68 2000/12/04 00:17:21 craigs
* Changed mixer voice gain to +6dB rather than 0dB
*
* Revision 3.67 2000/11/30 21:25:51 eokerson
* Fixed write signal errors.
*
* Revision 3.66 2000/11/29 22:42:44 eokerson
* Fixed PSTN ring detect problems.
*
* Revision 3.65 2000/11/29 07:31:55 craigs
* Added new 425Hz filter co-efficients
* Added card-specific DTMF prescaler initialisation
*
* Revision 3.64 2000/11/28 14:03:32 craigs
* Changed certain mixer initialisations to be 0dB rather than 12dB
* Added additional information to /proc/ixj
*
* Revision 3.63 2000/11/28 11:38:41 craigs
* Added display of AEC modes in AUTO and AGC mode
*
* Revision 3.62 2000/11/28 04:05:44 eokerson
* Improved PSTN ring detection routine.
*
* Revision 3.61 2000/11/27 21:53:12 eokerson
* Fixed flash detection.
*
* Revision 3.60 2000/11/27 15:57:29 eokerson
* More work on G.729 load routines.
*
* Revision 3.59 2000/11/25 21:55:12 eokerson
* Fixed errors in G.729 load routine.
*
* Revision 3.58 2000/11/25 04:08:29 eokerson
* Added board locks around G.729 and TS85 load routines.
*
* Revision 3.57 2000/11/24 05:35:17 craigs
* Added ability to retrieve mixer values on LineJACK
* Added complete initialisation of all mixer values at startup
* Fixed spelling mistake
*
* Revision 3.56 2000/11/23 02:52:11 robertj
* Added cvs change log keyword.
* Fixed bug in capabilities list when using G.729 module.
*
*/
#include "ixj-ver.h"
#define PERFMON_STATS
#define IXJDEBUG 0
#define MAXRINGS 5
#include <linux/module.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/kernel.h> /* printk() */
#include <linux/fs.h> /* everything... */
#include <linux/errno.h> /* error codes */
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
#include <linux/proc_fs.h>
#include <linux/poll.h>
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <linux/isapnp.h>
#include "ixj.h"
#define TYPE(inode) (iminor(inode) >> 4)
#define NUM(inode) (iminor(inode) & 0xf)
static int ixjdebug;
static int hertz = HZ;
static int samplerate = 100;
module_param(ixjdebug, int, 0);
static struct pci_device_id ixj_pci_tbl[] __devinitdata = {
{ PCI_VENDOR_ID_QUICKNET, PCI_DEVICE_ID_QUICKNET_XJ,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ }
};
MODULE_DEVICE_TABLE(pci, ixj_pci_tbl);
/************************************************************************
*
* ixjdebug meanings are now bit mapped instead of level based
* Values can be or'ed together to turn on multiple messages
*
* bit 0 (0x0001) = any failure
* bit 1 (0x0002) = general messages
* bit 2 (0x0004) = POTS ringing related
* bit 3 (0x0008) = PSTN events
* bit 4 (0x0010) = PSTN Cadence state details
* bit 5 (0x0020) = Tone detection triggers
* bit 6 (0x0040) = Tone detection cadence details
* bit 7 (0x0080) = ioctl tracking
* bit 8 (0x0100) = signal tracking
* bit 9 (0x0200) = CallerID generation details
*
************************************************************************/
#ifdef IXJ_DYN_ALLOC
static IXJ *ixj[IXJMAX];
#define get_ixj(b) ixj[(b)]
/*
* Allocate a free IXJ device
*/
static IXJ *ixj_alloc()
{
for(cnt=0; cnt<IXJMAX; cnt++)
{
if(ixj[cnt] == NULL || !ixj[cnt]->DSPbase)
{
j = kmalloc(sizeof(IXJ), GFP_KERNEL);
if (j == NULL)
return NULL;
ixj[cnt] = j;
return j;
}
}
return NULL;
}
static void ixj_fsk_free(IXJ *j)
{
kfree(j->fskdata);
j->fskdata = NULL;
}
static void ixj_fsk_alloc(IXJ *j)
{
if(!j->fskdata) {
j->fskdata = kmalloc(8000, GFP_KERNEL);
if (!j->fskdata) {
if(ixjdebug & 0x0200) {
printk("IXJ phone%d - allocate failed\n", j->board);
}
return;
} else {
j->fsksize = 8000;
if(ixjdebug & 0x0200) {
printk("IXJ phone%d - allocate succeded\n", j->board);
}
}
}
}
#else
static IXJ ixj[IXJMAX];
#define get_ixj(b) (&ixj[(b)])
/*
* Allocate a free IXJ device
*/
static IXJ *ixj_alloc(void)
{
int cnt;
for(cnt=0; cnt<IXJMAX; cnt++) {
if(!ixj[cnt].DSPbase)
return &ixj[cnt];
}
return NULL;
}
static inline void ixj_fsk_free(IXJ *j) {;}
static inline void ixj_fsk_alloc(IXJ *j)
{
j->fsksize = 8000;
}
#endif
#ifdef PERFMON_STATS
#define ixj_perfmon(x) ((x)++)
#else
#define ixj_perfmon(x) do { } while(0)
#endif
static int ixj_convert_loaded;
static int ixj_WriteDSPCommand(unsigned short, IXJ *j);
/************************************************************************
*
* These are function definitions to allow external modules to register
* enhanced functionality call backs.
*
************************************************************************/
static int Stub(IXJ * J, unsigned long arg)
{
return 0;
}
static IXJ_REGFUNC ixj_PreRead = &Stub;
static IXJ_REGFUNC ixj_PostRead = &Stub;
static IXJ_REGFUNC ixj_PreWrite = &Stub;
static IXJ_REGFUNC ixj_PostWrite = &Stub;
static void ixj_read_frame(IXJ *j);
static void ixj_write_frame(IXJ *j);
static void ixj_init_timer(IXJ *j);
static void ixj_add_timer(IXJ * j);
static void ixj_timeout(unsigned long ptr);
static int read_filters(IXJ *j);
static int LineMonitor(IXJ *j);
static int ixj_fasync(int fd, struct file *, int mode);
static int ixj_set_port(IXJ *j, int arg);
static int ixj_set_pots(IXJ *j, int arg);
static int ixj_hookstate(IXJ *j);
static int ixj_record_start(IXJ *j);
static void ixj_record_stop(IXJ *j);
static void set_rec_volume(IXJ *j, int volume);
static int get_rec_volume(IXJ *j);
static int set_rec_codec(IXJ *j, int rate);
static void ixj_vad(IXJ *j, int arg);
static int ixj_play_start(IXJ *j);
static void ixj_play_stop(IXJ *j);
static int ixj_set_tone_on(unsigned short arg, IXJ *j);
static int ixj_set_tone_off(unsigned short, IXJ *j);
static int ixj_play_tone(IXJ *j, char tone);
static void ixj_aec_start(IXJ *j, int level);
static int idle(IXJ *j);
static void ixj_ring_on(IXJ *j);
static void ixj_ring_off(IXJ *j);
static void aec_stop(IXJ *j);
static void ixj_ringback(IXJ *j);
static void ixj_busytone(IXJ *j);
static void ixj_dialtone(IXJ *j);
static void ixj_cpt_stop(IXJ *j);
static char daa_int_read(IXJ *j);
static char daa_CR_read(IXJ *j, int cr);
static int daa_set_mode(IXJ *j, int mode);
static int ixj_linetest(IXJ *j);
static int ixj_daa_write(IXJ *j);
static int ixj_daa_cid_read(IXJ *j);
static void DAA_Coeff_US(IXJ *j);
static void DAA_Coeff_UK(IXJ *j);
static void DAA_Coeff_France(IXJ *j);
static void DAA_Coeff_Germany(IXJ *j);
static void DAA_Coeff_Australia(IXJ *j);
static void DAA_Coeff_Japan(IXJ *j);
static int ixj_init_filter(IXJ *j, IXJ_FILTER * jf);
static int ixj_init_filter_raw(IXJ *j, IXJ_FILTER_RAW * jfr);
static int ixj_init_tone(IXJ *j, IXJ_TONE * ti);
static int ixj_build_cadence(IXJ *j, IXJ_CADENCE __user * cp);
static int ixj_build_filter_cadence(IXJ *j, IXJ_FILTER_CADENCE __user * cp);
/* Serial Control Interface funtions */
static int SCI_Control(IXJ *j, int control);
static int SCI_Prepare(IXJ *j);
static int SCI_WaitHighSCI(IXJ *j);
static int SCI_WaitLowSCI(IXJ *j);
static DWORD PCIEE_GetSerialNumber(WORD wAddress);
static int ixj_PCcontrol_wait(IXJ *j);
static void ixj_pre_cid(IXJ *j);
static void ixj_write_cid(IXJ *j);
static void ixj_write_cid_bit(IXJ *j, int bit);
static int set_base_frame(IXJ *j, int size);
static int set_play_codec(IXJ *j, int rate);
static void set_rec_depth(IXJ *j, int depth);
static int ixj_mixer(long val, IXJ *j);
/************************************************************************
CT8020/CT8021 Host Programmers Model
Host address Function Access
DSPbase +
0-1 Aux Software Status Register (reserved) Read Only
2-3 Software Status Register Read Only
4-5 Aux Software Control Register (reserved) Read Write
6-7 Software Control Register Read Write
8-9 Hardware Status Register Read Only
A-B Hardware Control Register Read Write
C-D Host Transmit (Write) Data Buffer Access Port (buffer input)Write Only
E-F Host Recieve (Read) Data Buffer Access Port (buffer input) Read Only
************************************************************************/
static inline void ixj_read_HSR(IXJ *j)
{
j->hsr.bytes.low = inb_p(j->DSPbase + 8);
j->hsr.bytes.high = inb_p(j->DSPbase + 9);
}
static inline int IsControlReady(IXJ *j)
{
ixj_read_HSR(j);
return j->hsr.bits.controlrdy ? 1 : 0;
}
static inline int IsPCControlReady(IXJ *j)
{
j->pccr1.byte = inb_p(j->XILINXbase + 3);
return j->pccr1.bits.crr ? 1 : 0;
}
static inline int IsStatusReady(IXJ *j)
{
ixj_read_HSR(j);
return j->hsr.bits.statusrdy ? 1 : 0;
}
static inline int IsRxReady(IXJ *j)
{
ixj_read_HSR(j);
ixj_perfmon(j->rxreadycheck);
return j->hsr.bits.rxrdy ? 1 : 0;
}
static inline int IsTxReady(IXJ *j)
{
ixj_read_HSR(j);
ixj_perfmon(j->txreadycheck);
return j->hsr.bits.txrdy ? 1 : 0;
}
static inline void set_play_volume(IXJ *j, int volume)
{
if (ixjdebug & 0x0002)
printk(KERN_INFO "IXJ: /dev/phone%d Setting Play Volume to 0x%4.4x\n", j->board, volume);
ixj_WriteDSPCommand(0xCF02, j);
ixj_WriteDSPCommand(volume, j);
}
static int set_play_volume_linear(IXJ *j, int volume)
{
int newvolume, dspplaymax;
if (ixjdebug & 0x0002)
printk(KERN_INFO "IXJ: /dev/phone %d Setting Linear Play Volume to 0x%4.4x\n", j->board, volume);
if(volume > 100 || volume < 0) {
return -1;
}
/* This should normalize the perceived volumes between the different cards caused by differences in the hardware */
switch (j->cardtype) {
case QTI_PHONEJACK:
dspplaymax = 0x380;
break;
case QTI_LINEJACK:
if(j->port == PORT_PSTN) {
dspplaymax = 0x48;
} else {
dspplaymax = 0x100;
}
break;
case QTI_PHONEJACK_LITE:
dspplaymax = 0x380;
break;
case QTI_PHONEJACK_PCI:
dspplaymax = 0x6C;
break;
case QTI_PHONECARD:
dspplaymax = 0x50;
break;
default:
return -1;
}
newvolume = (dspplaymax * volume) / 100;
set_play_volume(j, newvolume);
return 0;
}
static inline void set_play_depth(IXJ *j, int depth)
{
if (depth > 60)
depth = 60;
if (depth < 0)
depth = 0;
ixj_WriteDSPCommand(0x5280 + depth, j);
}
static inline int get_play_volume(IXJ *j)
{
ixj_WriteDSPCommand(0xCF00, j);
return j->ssr.high << 8 | j->ssr.low;
}
static int get_play_volume_linear(IXJ *j)
{
int volume, newvolume, dspplaymax;
/* This should normalize the perceived volumes between the different cards caused by differences in the hardware */
switch (j->cardtype) {
case QTI_PHONEJACK:
dspplaymax = 0x380;
break;
case QTI_LINEJACK:
if(j->port == PORT_PSTN) {
dspplaymax = 0x48;
} else {
dspplaymax = 0x100;
}
break;
case QTI_PHONEJACK_LITE:
dspplaymax = 0x380;
break;
case QTI_PHONEJACK_PCI:
dspplaymax = 0x6C;
break;
case QTI_PHONECARD:
dspplaymax = 100;
break;
default:
return -1;
}
volume = get_play_volume(j);
newvolume = (volume * 100) / dspplaymax;
if(newvolume > 100)
newvolume = 100;
return newvolume;
}
static inline BYTE SLIC_GetState(IXJ *j)
{
if (j->cardtype == QTI_PHONECARD) {
j->pccr1.byte = 0;
j->psccr.bits.dev = 3;
j->psccr.bits.rw = 1;
outw_p(j->psccr.byte << 8, j->XILINXbase + 0x00);
ixj_PCcontrol_wait(j);
j->pslic.byte = inw_p(j->XILINXbase + 0x00) & 0xFF;
ixj_PCcontrol_wait(j);
if (j->pslic.bits.powerdown)
return PLD_SLIC_STATE_OC;
else if (!j->pslic.bits.ring0 && !j->pslic.bits.ring1)
return PLD_SLIC_STATE_ACTIVE;
else
return PLD_SLIC_STATE_RINGING;
} else {
j->pld_slicr.byte = inb_p(j->XILINXbase + 0x01);
}
return j->pld_slicr.bits.state;
}
static bool SLIC_SetState(BYTE byState, IXJ *j)
{
bool fRetVal = false;
if (j->cardtype == QTI_PHONECARD) {
if (j->flags.pcmciasct) {
switch (byState) {
case PLD_SLIC_STATE_TIPOPEN:
case PLD_SLIC_STATE_OC:
j->pslic.bits.powerdown = 1;
j->pslic.bits.ring0 = j->pslic.bits.ring1 = 0;
fRetVal = true;
break;
case PLD_SLIC_STATE_RINGING:
if (j->readers || j->writers) {
j->pslic.bits.powerdown = 0;
j->pslic.bits.ring0 = 1;
j->pslic.bits.ring1 = 0;
fRetVal = true;
}
break;
case PLD_SLIC_STATE_OHT: /* On-hook transmit */
case PLD_SLIC_STATE_STANDBY:
case PLD_SLIC_STATE_ACTIVE:
if (j->readers || j->writers) {
j->pslic.bits.powerdown = 0;
} else {
j->pslic.bits.powerdown = 1;
}
j->pslic.bits.ring0 = j->pslic.bits.ring1 = 0;
fRetVal = true;
break;
case PLD_SLIC_STATE_APR: /* Active polarity reversal */
case PLD_SLIC_STATE_OHTPR: /* OHT polarity reversal */
default:
fRetVal = false;
break;
}
j->psccr.bits.dev = 3;
j->psccr.bits.rw = 0;
outw_p(j->psccr.byte << 8 | j->pslic.byte, j->XILINXbase + 0x00);
ixj_PCcontrol_wait(j);
}
} else {
/* Set the C1, C2, C3 & B2EN signals. */
switch (byState) {
case PLD_SLIC_STATE_OC:
j->pld_slicw.bits.c1 = 0;
j->pld_slicw.bits.c2 = 0;
j->pld_slicw.bits.c3 = 0;
j->pld_slicw.bits.b2en = 0;
outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
fRetVal = true;
break;
case PLD_SLIC_STATE_RINGING:
j->pld_slicw.bits.c1 = 1;
j->pld_slicw.bits.c2 = 0;
j->pld_slicw.bits.c3 = 0;
j->pld_slicw.bits.b2en = 1;
outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
fRetVal = true;
break;
case PLD_SLIC_STATE_ACTIVE:
j->pld_slicw.bits.c1 = 0;
j->pld_slicw.bits.c2 = 1;
j->pld_slicw.bits.c3 = 0;
j->pld_slicw.bits.b2en = 0;
outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
fRetVal = true;
break;
case PLD_SLIC_STATE_OHT: /* On-hook transmit */
j->pld_slicw.bits.c1 = 1;
j->pld_slicw.bits.c2 = 1;
j->pld_slicw.bits.c3 = 0;
j->pld_slicw.bits.b2en = 0;
outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
fRetVal = true;
break;
case PLD_SLIC_STATE_TIPOPEN:
j->pld_slicw.bits.c1 = 0;
j->pld_slicw.bits.c2 = 0;
j->pld_slicw.bits.c3 = 1;
j->pld_slicw.bits.b2en = 0;
outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
fRetVal = true;
break;
case PLD_SLIC_STATE_STANDBY:
j->pld_slicw.bits.c1 = 1;
j->pld_slicw.bits.c2 = 0;
j->pld_slicw.bits.c3 = 1;
j->pld_slicw.bits.b2en = 1;
outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
fRetVal = true;
break;
case PLD_SLIC_STATE_APR: /* Active polarity reversal */
j->pld_slicw.bits.c1 = 0;
j->pld_slicw.bits.c2 = 1;
j->pld_slicw.bits.c3 = 1;
j->pld_slicw.bits.b2en = 0;
outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
fRetVal = true;
break;
case PLD_SLIC_STATE_OHTPR: /* OHT polarity reversal */
j->pld_slicw.bits.c1 = 1;
j->pld_slicw.bits.c2 = 1;
j->pld_slicw.bits.c3 = 1;
j->pld_slicw.bits.b2en = 0;
outb_p(j->pld_slicw.byte, j->XILINXbase + 0x01);
fRetVal = true;
break;
default:
fRetVal = false;
break;
}
}
return fRetVal;
}
static int ixj_wink(IXJ *j)
{
BYTE slicnow;
slicnow = SLIC_GetState(j);
j->pots_winkstart = jiffies;
SLIC_SetState(PLD_SLIC_STATE_OC, j);
msleep(jiffies_to_msecs(j->winktime));
SLIC_SetState(slicnow, j);
return 0;
}
static void ixj_init_timer(IXJ *j)
{
init_timer(&j->timer);
j->timer.function = ixj_timeout;
j->timer.data = (unsigned long)j;
}
static void ixj_add_timer(IXJ *j)
{
j->timer.expires = jiffies + (hertz / samplerate);
add_timer(&j->timer);
}
static void ixj_tone_timeout(IXJ *j)
{
IXJ_TONE ti;
j->tone_state++;
if (j->tone_state == 3) {
j->tone_state = 0;
if (j->cadence_t) {
j->tone_cadence_state++;
if (j->tone_cadence_state >= j->cadence_t->elements_used) {
switch (j->cadence_t->termination) {
case PLAY_ONCE:
ixj_cpt_stop(j);
break;
case REPEAT_LAST_ELEMENT:
j->tone_cadence_state--;
ixj_play_tone(j, j->cadence_t->ce[j->tone_cadence_state].index);
break;
case REPEAT_ALL:
j->tone_cadence_state = 0;
if (j->cadence_t->ce[j->tone_cadence_state].freq0) {
ti.tone_index = j->cadence_t->ce[j->tone_cadence_state].index;
ti.freq0 = j->cadence_t->ce[j->tone_cadence_state].freq0;
ti.gain0 = j->cadence_t->ce[j->tone_cadence_state].gain0;
ti.freq1 = j->cadence_t->ce[j->tone_cadence_state].freq1;
ti.gain1 = j->cadence_t->ce[j->tone_cadence_state].gain1;
ixj_init_tone(j, &ti);
}
ixj_set_tone_on(j->cadence_t->ce[0].tone_on_time, j);
ixj_set_tone_off(j->cadence_t->ce[0].tone_off_time, j);
ixj_play_tone(j, j->cadence_t->ce[0].index);
break;
}
} else {
if (j->cadence_t->ce[j->tone_cadence_state].gain0) {
ti.tone_index = j->cadence_t->ce[j->tone_cadence_state].index;
ti.freq0 = j->cadence_t->ce[j->tone_cadence_state].freq0;
ti.gain0 = j->cadence_t->ce[j->tone_cadence_state].gain0;
ti.freq1 = j->cadence_t->ce[j->tone_cadence_state].freq1;
ti.gain1 = j->cadence_t->ce[j->tone_cadence_state].gain1;
ixj_init_tone(j, &ti);
}
ixj_set_tone_on(j->cadence_t->ce[j->tone_cadence_state].tone_on_time, j);
ixj_set_tone_off(j->cadence_t->ce[j->tone_cadence_state].tone_off_time, j);
ixj_play_tone(j, j->cadence_t->ce[j->tone_cadence_state].index);
}
}
}
}
static inline void ixj_kill_fasync(IXJ *j, IXJ_SIGEVENT event, int dir)
{
if(j->ixj_signals[event]) {
if(ixjdebug & 0x0100)
printk("Sending signal for event %d\n", event);
/* Send apps notice of change */
/* see config.h for macro definition */
kill_fasync(&(j->async_queue), j->ixj_signals[event], dir);
}
}
static void ixj_pstn_state(IXJ *j)
{
int var;
union XOPXR0 XR0, daaint;
var = 10;
XR0.reg = j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.reg;
daaint.reg = 0;
XR0.bitreg.RMR = j->m_DAAShadowRegs.SOP_REGS.SOP.cr1.bitreg.RMR;
j->pld_scrr.byte = inb_p(j->XILINXbase);
if (j->pld_scrr.bits.daaflag) {
daa_int_read(j);
if(j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.bitreg.RING) {
if(time_after(jiffies, j->pstn_sleeptil) && !(j->flags.pots_pstn && j->hookstate)) {
daaint.bitreg.RING = 1;
if(ixjdebug & 0x0008) {
printk(KERN_INFO "IXJ DAA Ring Interrupt /dev/phone%d at %ld\n", j->board, jiffies);
}
} else {
daa_set_mode(j, SOP_PU_RESET);
}
}
if(j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.bitreg.Caller_ID) {
daaint.bitreg.Caller_ID = 1;
j->pstn_cid_intr = 1;
j->pstn_cid_received = jiffies;
if(ixjdebug & 0x0008) {
printk(KERN_INFO "IXJ DAA Caller_ID Interrupt /dev/phone%d at %ld\n", j->board, jiffies);
}
}
if(j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.bitreg.Cadence) {
daaint.bitreg.Cadence = 1;
if(ixjdebug & 0x0008) {
printk(KERN_INFO "IXJ DAA Cadence Interrupt /dev/phone%d at %ld\n", j->board, jiffies);
}
}
if(j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.bitreg.VDD_OK != XR0.bitreg.VDD_OK) {
daaint.bitreg.VDD_OK = 1;
daaint.bitreg.SI_0 = j->m_DAAShadowRegs.XOP_REGS.XOP.xr0.bitreg.VDD_OK;
}
}
daa_CR_read(j, 1);
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)) {
daaint.bitreg.RMR = 1;
daaint.bitreg.SI_1 = j->m_DAAShadowRegs.SOP_REGS.SOP.cr1.bitreg.RMR;
if(ixjdebug & 0x0008) {
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);
}
j->pstn_prev_rmr = j->pstn_last_rmr;
j->pstn_last_rmr = jiffies;
}
switch(j->daa_mode) {
case SOP_PU_SLEEP:
if (daaint.bitreg.RING) {
if (!j->flags.pstn_ringing) {
if (j->daa_mode != SOP_PU_RINGING) {
j->pstn_ring_int = jiffies;
daa_set_mode(j, SOP_PU_RINGING);
}
}
}
break;
case SOP_PU_RINGING:
if (daaint.bitreg.RMR) {
if (ixjdebug & 0x0008) {
printk(KERN_INFO "IXJ Ring Cadence a state = %d /dev/phone%d at %ld\n", j->cadence_f[4].state, j->board, jiffies);
}
if (daaint.bitreg.SI_1) { /* Rising edge of RMR */
j->flags.pstn_rmr = 1;
j->pstn_ring_start = jiffies;
j->pstn_ring_stop = 0;
j->ex.bits.pstn_ring = 0;
if (j->cadence_f[4].state == 0) {
j->cadence_f[4].state = 1;
j->cadence_f[4].on1min = jiffies + (long)((j->cadence_f[4].on1 * hertz * (100 - var)) / 10000);
j->cadence_f[4].on1dot = jiffies + (long)((j->cadence_f[4].on1 * hertz * (100)) / 10000);
j->cadence_f[4].on1max = jiffies + (long)((j->cadence_f[4].on1 * hertz * (100 + var)) / 10000);
} else if (j->cadence_f[4].state == 2) {
if((time_after(jiffies, j->cadence_f[4].off1min) &&
time_before(jiffies, j->cadence_f[4].off1max))) {
if (j->cadence_f[4].on2) {
j->cadence_f[4].state = 3;
j->cadence_f[4].on2min = jiffies + (long)((j->cadence_f[4].on2 * (hertz * (100 - var)) / 10000));
j->cadence_f[4].on2dot = jiffies + (long)((j->cadence_f[4].on2 * (hertz * (100)) / 10000));
j->cadence_f[4].on2max = jiffies + (long)((j->cadence_f[4].on2 * (hertz * (100 + var)) / 10000));
} else {
j->cadence_f[4].state = 7;
}
} else {
if (ixjdebug & 0x0008) {
printk(KERN_INFO "IXJ Ring Cadence fail state = %d /dev/phone%d at %ld should be %d\n",
j->cadence_f[4].state, j->board, jiffies - j->pstn_prev_rmr,
j->cadence_f[4].off1);
}
j->cadence_f[4].state = 0;
}
} else if (j->cadence_f[4].state == 4) {
if((time_after(jiffies, j->cadence_f[4].off2min) &&
time_before(jiffies, j->cadence_f[4].off2max))) {
if (j->cadence_f[4].on3) {
j->cadence_f[4].state = 5;
j->cadence_f[4].on3min = jiffies + (long)((j->cadence_f[4].on3 * (hertz * (100 - var)) / 10000));
j->cadence_f[4].on3dot = jiffies + (long)((j->cadence_f[4].on3 * (hertz * (100)) / 10000));
j->cadence_f[4].on3max = jiffies + (long)((j->cadence_f[4].on3 * (hertz * (100 + var)) / 10000));
} else {
j->cadence_f[4].state = 7;
}
} else {
if (ixjdebug & 0x0008) {
printk(KERN_INFO "IXJ Ring Cadence fail state = %d /dev/phone%d at %ld should be %d\n",
j->cadence_f[4].state, j->board, jiffies - j->pstn_prev_rmr,
j->cadence_f[4].off2);
}
j->cadence_f[4].state = 0;
}
} else if (j->cadence_f[4].state == 6) {
if((time_after(jiffies, j->cadence_f[4].off3min) &&
time_before(jiffies, j->cadence_f[4].off3max))) {
j->cadence_f[4].state = 7;
} else {
if (ixjdebug & 0x0008) {
printk(KERN_INFO "IXJ Ring Cadence fail state = %d /dev/phone%d at %ld should be %d\n",
j->cadence_f[4].state, j->board, jiffies - j->pstn_prev_rmr,
j->cadence_f[4].off3);
}
j->cadence_f[4].state = 0;
}
} else {
j->cadence_f[4].state = 0;
}
} else { /* Falling edge of RMR */
j->pstn_ring_start = 0;
j->pstn_ring_stop = jiffies;
if (j->cadence_f[4].state == 1) {
if(!j->cadence_f[4].on1) {
j->cadence_f[4].state = 7;