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-rw-r--r--drivers/staging/telephony/ixj.c10552
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diff --git a/drivers/staging/telephony/ixj.c b/drivers/staging/telephony/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 succeeded.
+ *
+ * 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/mutex.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 DEFINE_MUTEX(ixj_mutex);
+static int ixjdebug;
+static int hertz = HZ;
+static int samplerate = 100;
+
+module_param(ixjdebug, int, 0);
+
+static DEFINE_PCI_DEVICE_TABLE(ixj_pci_tbl) = {
+ { 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 succeeded\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 Receive (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;
+ } else if((time_after(jiffies, j->cadence_f[4].on1min) &&
+ time_before(jiffies, j->cadence_f[4].on1max))) {
+ if (j->cadence_f[4].off1) {
+ j->cadence_f[4].state = 2;
+ j->cadence_f[4].off1min = jiffies + (long)((j->cadence_f[4].off1 * (hertz * (100 - var)) / 10000));
+ j->cadence_f[4].off1dot = jiffies + (long)((j->cadence_f[4].off1 * (hertz * (100)) / 10000));
+ j->cadence_f[4].off1max = jiffies + (long)((j->cadence_f[4].off1 * (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].on1);
+ }
+ j->cadence_f[4].state = 0;
+ }
+ } else if (j->cadence_f[4].state == 3) {
+ if((time_after(jiffies, j->cadence_f[4].on2min) &&
+ time_before(jiffies, j->cadence_f[4].on2max))) {
+ if (j->cadence_f[4].off2) {
+ j->cadence_f[4].state = 4;
+ j->cadence_f[4].off2min = jiffies + (long)((j->cadence_f[4].off2 * (hertz * (100 - var)) / 10000));
+ j->cadence_f[4].off2dot = jiffies + (long)((j->cadence_f[4].off2 * (hertz * (100)) / 10000));
+ j->cadence_f[4].off2max = jiffies + (long)((j->cadence_f[4].off2 * (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].on2);
+ }
+ j->cadence_f[4].state = 0;
+ }
+ } else if (j->cadence_f[4].state == 5) {
+ if((time_after(jiffies, j->cadence_f[4].on3min) &&
+ time_before(jiffies, j->cadence_f[4].on3max))) {
+ if (j->cadence_f[4].off3) {
+ j->cadence_f[4].state = 6;
+ j->cadence_f[4].off3min = jiffies + (long)((j->cadence_f[4].off3 * (hertz * (100 - var)) / 10000));
+ j->cadence_f[4].off3dot = jiffies + (long)((j->cadence_f[4].off3 * (hertz * (100)) / 10000));
+ j->cadence_f[4].off3max = jiffies + (long)((j->cadence_f[4].off3 * (hertz * (100 + var)) / 10000));
+ } else {
+ j->cadence_f[4].state = 7;
+ }
+ } else {
+ j->cadence_f[4].state = 0;
+ }
+ } 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].on3);
+ }
+ j->cadence_f[4].state = 0;
+ }
+ }
+ if (ixjdebug & 0x0010) {
+ printk(KERN_INFO "IXJ R