Version 0.1.6 from FTP

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@58 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 1284 insertions, 0 deletions

diff --git a/wcusb.c b/wcusb.c
new file mode 100755
index 0000000..2e84cc6
--- /dev/null
+++ b/wcusb.c
@@ -0,0 +1,1284 @@
+/*
+ * Wildcard S100U USB FXS Interface Zapata Telephony Driver
+ *
+ * Written by Mark Spencer <markster@linux-support.net>
+ *            Matthew Fredrickson <creslin@linux-support.net>
+ *
+ * Copyright (C) 2001, Linux Support Services, Inc.
+ *
+ * All rights reserved.
+ *
+ * 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.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
+ *
+ */
+
+/* Save power at the expense of not always being able to transmit on hook.  If
+   this is set, we only transit on hook for some time after a ring 
+   (POWERSAVE_TIMEOUT) */
+
+#define PROSLIC_POWERSAVE
+#define POWERSAVE_TIME 4000
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/usb.h>
+#include <linux/errno.h>
+#ifdef STANDALONE_ZAPATA
+
+#include "zaptel.h"
+#else
+#include <linux/zaptel.h>
+#endif /* STANDALONE_ZAPATA */
+
+#include "wcusb.h"
+#include "proslic.h"
+
+
+#ifdef DEBUG_WILDCARD
+#define DPRINTK(x) printk x
+#else
+#define DPRINTK(x)
+#endif
+
+// Function prototypes
+static int readProSlicDirectReg(struct usb_device *dev, unsigned char address, unsigned char* data);
+static int initializeIndirectRegisters(struct usb_device *dev);
+static int verifyIndirectRegisters(struct usb_device *dev);
+static int writeProSlicDirectReg(struct usb_device *dev, unsigned char address, unsigned char data);
+static int writeProSlicInDirectReg(struct usb_device *dev, unsigned char address, unsigned short data);
+static int readProSlicInDirectReg(struct usb_device *dev, unsigned char address, unsigned short *data);
+static int writeProSlicInDirectReg(struct usb_device *dev, unsigned char address, unsigned short data);
+
+static alpha  indirect_regs[] =
+{
+{0,"DTMF_ROW_0_PEAK",0x55C2},
+{1,"DTMF_ROW_1_PEAK",0x51E6},
+{2,"DTMF_ROW2_PEAK",0x4B85},
+{3,"DTMF_ROW3_PEAK",0x4937},
+{4,"DTMF_COL1_PEAK",0x3333},
+{5,"DTMF_FWD_TWIST",0x0202},
+{6,"DTMF_RVS_TWIST",0x0202},
+{7,"DTMF_ROW_RATIO_TRES",0x0198},
+{8,"DTMF_COL_RATIO_TRES",0x0198},
+{9,"DTMF_ROW_2ND_ARM",0x0611},
+{10,"DTMF_COL_2ND_ARM",0x0202},
+{11,"DTMF_PWR_MIN_TRES",0x00E5},
+{12,"DTMF_OT_LIM_TRES",0x0A1C},
+{13,"OSC1_COEF",0x6D40},
+{14,"OSC1X",0x0470},
+{15,"OSC1Y",0x0000},
+{16,"OSC2_COEF",0x4A80},
+{17,"OSC2X",0x0830},
+{18,"OSC2Y",0x0000},
+{19,"RING_V_OFF",0x0000},
+{20,"RING_OSC",0x7EF0},
+{21,"RING_X",0x0160},
+{22,"RING_Y",0x0000},
+{23,"PULSE_ENVEL",0x2000},
+{24,"PULSE_X",0x2000},
+{25,"PULSE_Y",0x0000},
+//{26,"RECV_DIGITAL_GAIN",0x4000},	// playback volume set lower
+{26,"RECV_DIGITAL_GAIN",0x2000},	// playback volume set lower
+{27,"XMIT_DIGITAL_GAIN",0x4000},
+{28,"LOOP_CLOSE_TRES",0x1000},
+{29,"RING_TRIP_TRES",0x3600},
+{30,"COMMON_MIN_TRES",0x1000},
+{31,"COMMON_MAX_TRES",0x0200},
+{32,"PWR_ALARM_Q1Q2",0x0550},
+{33,"PWR_ALARM_Q3Q4",0x2600},
+{34,"PWR_ALARM_Q5Q6",0x1B80},
+{35,"LOOP_CLOSURE_FILTER",0x8000},
+{36,"RING_TRIP_FILTER",0x0320},
+{37,"TERM_LP_POLE_Q1Q2",0x0100},
+{38,"TERM_LP_POLE_Q3Q4",0x0100},
+{39,"TERM_LP_POLE_Q5Q6",0x0010},
+{40,"CM_BIAS_RINGING",0x0C00},
+{41,"DCDC_MIN_V",0x0C00},
+{42,"DCDC_XTRA",0x1000},
+};
+
+static int debug = 0;
+static int devcount = 0;
+
+#define FLAG_FLIP_RELAYS	(1 << 0)
+
+static struct wc_usb_desc wcusb = { "Wildcard S100U USB FXS Interface" };
+static struct wc_usb_desc wcusb2 = { "Wildcard S110U USB FXS Interface", FLAG_FLIP_RELAYS };
+static struct wc_usb_desc wc_usb_phone = { "Wildcard Phone Test driver" };
+static struct wc_usb_pvt *ifaces[WC_MAX_IFACES];
+
+
+
+static void wcusb_check_keypad(struct wc_usb_pvt *p);
+static int set_aux_ctrl(struct wc_usb_pvt *p, char auxpins, int on);
+
+
+
+static int Wcusb_WriteWcRegs(struct usb_device *dev, unsigned char index, 
+					  unsigned char *data, int len)
+{
+	unsigned int pipe = usb_sndctrlpipe(dev, 0);
+	int requesttype;
+	int res;
+
+	requesttype = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
+
+	res = usb_control_msg(dev, pipe, REQUEST_NORMAL, requesttype, 
+							0, index, data, len, CONTROL_TIMEOUT_JIFFIES);
+	if (res == -ETIMEDOUT) {
+		printk("wcusb: timeout on vendor write\n");
+		return -1;
+	} else if (res < 0) {
+		printk("wcusb: Error executing control: status=%d\n", le32_to_cpu(res));
+		return -1;
+	}
+	return 0;
+}					  
+
+static int Wcusb_ReadWcRegs(struct usb_device *dev, unsigned char index, 
+					  unsigned char *data, int len)
+{
+	unsigned int pipe = usb_rcvctrlpipe(dev, 0);
+	int requesttype;
+	int res;
+
+	requesttype = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
+
+	res = usb_control_msg(dev, pipe, REQUEST_NORMAL, requesttype, 
+							0, index, data, len, CONTROL_TIMEOUT_JIFFIES);
+	if (res == -ETIMEDOUT) {
+		printk("wcusb: timeout on vendor write\n");
+		return -1;
+	} else if (res < 0) {
+		printk("wcusb: Error executing control: status=%d\n", le32_to_cpu(res));
+		return -1;
+	} else {
+		DPRINTK(("wcusb: Executed read, result = %d (data = %04x)\n", le32_to_cpu(res), (int) *data));
+	}
+	return 0;
+}					  
+
+static int wcusb_async_read(struct wc_usb_pvt *p, unsigned char index, unsigned char *data, int len, int state, void (*complete)(urb_t *urb));
+static int wcusb_async_write(struct wc_usb_pvt *p, unsigned char index, unsigned char *data, int len, int state, void (*complete)(urb_t *urb));
+static void wcusb_async_control(urb_t *urb);
+
+static void proslic_read_direct_async(struct wc_usb_pvt *p, unsigned char address)
+{
+	p->wcregindex = address;
+	p->wcregbuf[0] = address | 0x80;
+	p->wcregbuf[1] = 0;
+	p->wcregbuf[2] = 0;
+	p->wcregbuf[3] = 0x67;
+	wcusb_async_write(p, WCUSB_SPORT0, p->wcregbuf, 4, STATE_WCREAD_WRITEREG, wcusb_async_control);
+}
+
+static void proslic_write_direct_async(struct wc_usb_pvt *p, unsigned char address, unsigned char val)
+{
+	p->wcregindex = address;
+	p->wcregbuf[0] = address & 0x7f;
+	p->wcregbuf[1] = val;
+	p->wcregbuf[2] = 0;
+	p->wcregbuf[3] = 0x27;
+	wcusb_async_write(p, WCUSB_SPORT0, p->wcregbuf, 4, STATE_WCWRITE_WRITERES, wcusb_async_control);
+}
+
+static void wcusb_async_control(urb_t *urb)
+{
+	struct wc_usb_pvt *p = urb->context;
+	p->urbcount--;
+	if (urb->status) {
+		printk("Error in transfer...\n");
+		return;
+	}
+	if (!(p->flags & FLAG_RUNNING)) {
+		return;
+	}
+	switch (p->controlstate) {
+	case STATE_WCREAD_WRITEREG:
+		/* We've written the register to sport0, now read form sport 1 */
+		wcusb_async_read(p, WCUSB_SPORT1, &p->wcregval, 1, STATE_WCREAD_READRES, wcusb_async_control);
+		return;
+	case STATE_WCREAD_READRES:
+		switch(p->wcregindex) {
+		case 68:
+			if (!p->hookstate && (p->wcregval & 1)) {
+				p->hookstate = 1;
+				if (debug)
+					printk("Going off hook...\n");
+				zt_hooksig(&p->chan, ZT_RXSIG_OFFHOOK);
+			} else if (p->hookstate && !(p->wcregval & 1)) {
+				p->hookstate = 0;
+				if (debug)
+					printk("Going on hook...\n");
+				zt_hooksig(&p->chan, ZT_RXSIG_ONHOOK);
+			}
+			/* Set outgoing hook state if necessary */
+			if (p->txhook != p->newtxhook) {
+				if (debug)
+					printk("Really setting hook state to %d\n", p->newtxhook);
+				p->txhook = p->newtxhook;
+				proslic_write_direct_async(p, 64, p->newtxhook);
+			} else
+				p->timer = 50;
+			break;
+		case 64:
+			if (debug)
+				printk("Read hook state as %02x\n", p->wcregval);
+			p->timer = 50;
+			break;
+		default:
+			printk("dunno what to do with read/regindex %d\n", p->wcregindex);
+			p->wcregindex = 0;
+		}
+		return;
+	case STATE_WCWRITE_WRITERES:
+		switch(p->wcregindex) {
+		case 64:
+			if (debug) {
+				printk("Hook transition complete to %d\n", ((char *)(urb->transfer_buffer))[1]);
+#ifdef BOOST_RINGER
+			}
+			if (p->txhook == 4) {
+				/* Ringing -- boost battery to 96V */
+				proslic_write_direct_async(p, 74, 0x3f);
+			} else {
+				/* Leave battery at default 75V */
+				proslic_write_direct_async(p, 74, 0x32);
+			}
+			break;
+		case 74:
+			if (debug) {
+				printk("Battery set to -%dV\n", ((char *)(urb->transfer_buffer))[1] * 3 / 2);
+#endif
+				proslic_read_direct_async(p, 64);
+			} else
+				p->timer = 50;
+			break;
+		default:
+			printk("dunno what to do with write/regindex %d\n", p->wcregindex);
+			p->wcregindex = 0;
+		}
+		return;
+	default:
+		printk("async control in unknown state %d\n", p->controlstate);
+	}
+}
+
+static void keypad_check_done(urb_t *urb)
+{
+	struct wc_usb_pvt *p = urb->context;
+	struct wc_keypad_data *d = p->pvt_data;
+	static char aux_pattern[] = {0x1e, 0x1d, 0x17, 0xf};
+	char digit = 'z';
+
+	p->urbcount--;
+	if (!d->running) {
+		printk("Stopping stream (check_done)\n");
+		return;
+	}
+
+	if (urb->status) {
+		printk("status %d\n", urb->status);
+	}
+
+	if (debug) printk("i is %d\n", d->i);
+	switch (d->state) {
+loop_start:
+		case STATE_FOR_LOOP_1_OUT:
+			if (debug) printk("data12 is %x\n", d->data12);
+			if(d->i < sizeof(aux_pattern) / sizeof(char)) {
+				d->tmp = aux_pattern[d->i] | (d->data12 & 0xe0);
+				d->state = STATE_FOR_LOOP_2_IN;
+				if (debug) printk("tmp is %x\n", d->tmp);
+				wcusb_async_write(p, 0x12, &d->tmp, 1, 0, keypad_check_done);
+				return;
+			} else {
+				goto func_end;
+			}
+		case STATE_FOR_LOOP_2_IN:
+			d->state = STATE_FOR_LOOP_PROC_DATA;
+			wcusb_async_read(p, 0xc0, &d->data, 1, 0, keypad_check_done);
+			return;
+		case STATE_FOR_LOOP_PROC_DATA:
+			d->state = STATE_FOR_LOOP_CLEAR_DIGIT;
+			if(debug) printk("data is %x\n", d->data);
+			if ((d->data & 0x1f) != 0x1f) {
+				if(d->data == 0xe && aux_pattern[d->i] == 0x1e) { digit = '1';}
+				else if(d->data == 0xd && aux_pattern[d->i] == 0x1e) { digit = '2';}
+				else if(d->data == 0xb && aux_pattern[d->i] == 0x1e) { digit = '3';}
+				else if(d->data == 0x7 && aux_pattern[d->i] == 0x1e) {
+					p->hookstate = 0; /* On||Off */ 
+					zt_hooksig(&p->chan, ZT_RXSIG_ONHOOK);
+				}
+
+				else if(d->data == 0xe && aux_pattern[d->i] == 0x1d) { digit = '4';}
+				else if(d->data == 0xd && aux_pattern[d->i] == 0x1d) { digit = '5';}
+				else if(d->data == 0xb && aux_pattern[d->i] == 0x1d) { digit = '6';}
+				else if(d->data == 0x7 && aux_pattern[d->i] == 0x1d) {
+					p->hookstate = 1;/* Dial */
+					zt_hooksig(&p->chan, ZT_RXSIG_OFFHOOK);
+				}
+
+				else if(d->data == 0xe && aux_pattern[d->i] == 0x17) { digit = '7';}
+				else if(d->data == 0xd && aux_pattern[d->i] == 0x17) { digit = '8';}
+				else if(d->data == 0xb && aux_pattern[d->i] == 0x17) { digit = '9';}
+				else if(d->data == 0x7 && aux_pattern[d->i] == 0x17) d->scanned_event = 15; /* ReDial */
+	
+				else if(d->data == 0xe && aux_pattern[d->i] == 0xf) { digit = '*';}/* '*' */
+				else if(d->data == 0xd && aux_pattern[d->i] == 0xf) { digit = '0';}
+				else if(d->data == 0xb && aux_pattern[d->i] == 0xf) { digit = '#';} /* '#' */
+				else if(d->data == 0x7 && aux_pattern[d->i] == 0xf) d->scanned_event = 16; /* Volume? */
+				else {
+					(d->i)++;
+					if (debug) printk("Scanned event %d; data = %x\n", d->scanned_event, d->data);
+					goto loop_start;
+				}
+			} else {
+				if(debug) printk("Hit new if\n");
+				goto func_end;
+			}
+			if (debug) printk("wcusb: got digit %d\n", d->scanned_event);
+			if (digit != 'z') {
+				d->tone = zt_dtmf_tone(digit, 0);
+				if (!d->tone) {
+					printk("wcusb: Didn't get a tone structure\n");
+					goto func_end;
+				}
+				zt_init_tone_state(&d->ts, d->tone);
+				p->sample = STREAM_DTMF;
+			}
+			d->count = 0;
+		case STATE_FOR_LOOP_CLEAR_DIGIT:
+			if (((d->data & 0xf) != 0xf) && d->count < 200) {
+				wcusb_async_read(p, 0xc0, &d->data, 1, 0, keypad_check_done);
+				return;
+			}
+			(d->i)++;
+			p->sample = STREAM_NORMAL;
+			goto loop_start;
+	}
+func_end:
+	p->timer = 100;
+	return;
+}
+
+static void wcusb_check_interrupt(struct wc_usb_pvt *p)
+{
+	/* Start checking for interrupts */
+	if (p->devclass == WC_KEYPAD) {
+		wcusb_check_keypad(p);
+	} else {
+		proslic_read_direct_async(p, 68);
+	}
+	return;
+}
+
+static int wcusb_async_read(struct wc_usb_pvt *p, unsigned char index, unsigned char *data, int len, int state, void (*complete)(urb_t *urb))
+{
+	urb_t *urb = &p->control;
+	__u16 size = len;
+	__u16 ind = index;
+
+	memset(urb, 0, sizeof(urb_t));
+
+	p->dr.requesttype = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
+	p->dr.request = REQUEST_NORMAL;
+	p->dr.value = 0;
+	p->dr.index = cpu_to_le16(ind);
+	p->dr.length = cpu_to_le16(size);
+
+	FILL_CONTROL_URB(urb, p->dev, usb_rcvctrlpipe(p->dev, 0), (unsigned char *)&p->dr, data, len, complete, p);
+	if (usb_submit_urb(urb)) {
+		printk("wcusb_async_read: control URB died\n");
+		return -1;
+	}
+	p->controlstate = state;
+	p->urbcount++;
+	return 0;
+}
+
+static int wcusb_async_write(struct wc_usb_pvt *p, unsigned char index, unsigned char *data, int len, int state, void (*complete)(urb_t *urb))
+{
+	urb_t *urb = &p->control;
+	__u16 size = len;
+	__u16 ind = index;
+
+	memset(urb, 0, sizeof(urb_t));
+	
+	p->dr.requesttype = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
+	p->dr.request = REQUEST_NORMAL;
+	p->dr.value = 0;
+	p->dr.index = cpu_to_le16(ind);
+	p->dr.length = cpu_to_le16(size);
+
+	FILL_CONTROL_URB(urb, p->dev, usb_sndctrlpipe(p->dev, 0), (unsigned char *)&p->dr, data, len, complete, p);
+	if (usb_submit_urb(urb)) {
+		printk("wcusb_async_write: control URB died\n");
+		return -1;
+	}
+	p->controlstate = state;
+	p->urbcount++;
+	return 0;
+}
+
+/*
+**	Write register to Wc560
+*/
+static int wcoutp(struct usb_device *dev, unsigned char address, unsigned char data)
+{
+	if (!Wcusb_WriteWcRegs(dev, address, &data, 1))
+		return 0;
+
+	return -1;
+}
+
+/*
+**	read register from Wc560
+*/
+static int wcinp(struct usb_device *dev, unsigned char address, unsigned char* data )
+{
+	if (!Wcusb_ReadWcRegs(dev, address, data, 1))
+		return 0;
+
+	return -1;
+}
+
+static int waitForProSlicIndirectRegAccess(struct usb_device *dev)
+{
+    unsigned char count, data;
+    count = 0;
+    while (count++ < 3)
+	 {
+		data = 0;
+		readProSlicDirectReg(dev, I_STATUS, &data);
+
+		if (!data)
+			return 0;
+
+	 }
+
+    if(count > 2) printk(" ##### Loop error #####\n");
+
+	return -1;
+}
+
+static int writeProSlicInDirectReg(struct usb_device *dev, unsigned char address, unsigned short data)
+{
+	
+   if(!waitForProSlicIndirectRegAccess(dev))
+	{
+		if (!writeProSlicDirectReg(dev, IDA_LO,(unsigned char)(data & 0xFF)))
+		{
+			if(!writeProSlicDirectReg(dev, IDA_HI,(unsigned char)((data & 0xFF00)>>8)))
+			{
+				if(!writeProSlicDirectReg(dev, IAA,address))
+					return 0;
+			}
+		}
+	}
+
+	return -1;
+}
+
+/*
+**	Read register from ProSlic
+*/
+int readProSlicDirectReg(struct usb_device *dev, unsigned char address, unsigned char* dataRead)
+{
+	unsigned char data[4];
+
+	data[0] = address | 0x80;
+	data[1] = 0;
+	data[2] = 0;
+	data[3] = 0x67;
+
+	// write to WC register 0x26
+	Wcusb_WriteWcRegs(dev, WCUSB_SPORT0, data, 4);
+	Wcusb_ReadWcRegs(dev, WCUSB_SPORT1, data, 1);
+	*dataRead = data[0];
+
+	return 0;
+}
+
+/*
+**	Write register to ProSlic
+*/
+int writeProSlicDirectReg(struct usb_device *dev, unsigned char address, unsigned char RegValue)
+{
+	unsigned char data[4];
+
+	data[0] = address & 0x7f;
+	data[1] = RegValue;
+	data[2] = 0;
+	data[3] = 0x27;
+
+	// write to WC register 0x26
+	return Wcusb_WriteWcRegs(dev, WCUSB_SPORT0, data, 4);
+}
+
+static int readProSlicInDirectReg(struct usb_device *dev, unsigned char address, unsigned short *data)
+{ 
+    if (!waitForProSlicIndirectRegAccess(dev))
+	 {
+		if (!writeProSlicDirectReg(dev,IAA,address))
+		{
+			if(!waitForProSlicIndirectRegAccess(dev))
+			{
+				unsigned char data1, data2;
+
+				if (!readProSlicDirectReg(dev,IDA_LO, &data1) && !readProSlicDirectReg (dev, IDA_HI, &data2))
+				{
+					*data = data1 | (data2 << 8);
+					return 0;
+				} else 
+					printk("Failed to read direct reg\n");
+			} else
+				printk("Failed to wait inside\n");
+		} else
+			printk("failed write direct IAA\n");
+	 } else
+	 	printk("failed to wait\n");
+
+    return -1;
+}
+
+static int initializeIndirectRegisters(struct usb_device *dev)
+{
+	unsigned char i;
+
+	for (i=0; i<43; i++)
+	{
+		if(writeProSlicInDirectReg(dev, i,indirect_regs[i].initial))
+			return -1;
+	}
+
+	return 0;
+}
+
+static int verifyIndirectRegisters(struct usb_device *dev)
+{ 
+	int passed = 1;
+	unsigned short i,j, initial;
+
+	for (i=0; i<43; i++) 
+	{
+		if(readProSlicInDirectReg(dev, (unsigned char) i, &j)) {
+			printk("Failed to read indirect register %d\n", i);
+			return -1;
+		}
+		initial= indirect_regs[i].initial;
+
+		if ( j != initial )
+		{
+			 printk("!!!!!!! %s  iREG %X = %X  should be %X\n",
+				indirect_regs[i].name,i,j,initial );
+			 passed = 0;
+		}	
+	}
+
+    if (passed) {
+		if (debug)
+			printk("Init Indirect Registers completed successfully.\n");
+    } else {
+		printk(" !!!!! Init Indirect Registers UNSUCCESSFULLY.\n");
+    }
+
+	return 0;
+}
+
+static int calibrateAndActivateProSlic(struct usb_device *dev)
+{ 
+	unsigned char x;
+
+	if(writeProSlicDirectReg(dev, 92, 0xc8))
+		 return -1;
+
+	if(writeProSlicDirectReg(dev, 97, 0))
+		 return -1;
+
+	if(writeProSlicDirectReg(dev, 93, 0x19))
+		 return -1;
+
+	if(writeProSlicDirectReg(dev, 14, 0))
+		 return -1;
+
+	if(writeProSlicDirectReg(dev, 93, 0x99))
+		 return -1;
+
+	if(!readProSlicDirectReg (dev, 93, &x))
+	{
+		if (debug)
+			printk("DC Cal x=%x\n",x);
+
+		if (!writeProSlicDirectReg(dev, 97, 0))
+		{
+		   if(!writeProSlicDirectReg(dev, CALIBR1, CALIBRATE_LINE))
+			{
+				unsigned char data;
+
+				 if(!readProSlicDirectReg(dev, CALIBR1, &data))
+						 return writeProSlicDirectReg(dev, LINE_STATE,ACTIVATE_LINE);
+			}
+		}
+	}
+
+	return -1;
+}
+
+static int InitProSlic(struct usb_device *dev)
+{
+    if (writeProSlicDirectReg(dev, 67, 0x0e)) 
+		/* Disable Auto Power Alarm Detect and other "features" */
+		 return -1;
+    if (initializeIndirectRegisters(dev)) {
+		printk(KERN_INFO "Indirect Registers failed to initialize.\n");
+		 return -1;
+	}
+    if (verifyIndirectRegisters(dev)) {
+		printk(KERN_INFO "Indirect Registers failed verification.\n");
+		 return -1;
+	}
+    if (calibrateAndActivateProSlic(dev)) {
+		printk(KERN_INFO "ProSlic Died on Activation.\n");
+		 return -1;
+	}
+    if (writeProSlicInDirectReg(dev, 97, 0x0)) { // Stanley: for the bad recording fix
+		 printk(KERN_INFO "ProSlic IndirectReg Died.\n");
+		 return -1;
+	}
+    if (writeProSlicDirectReg(dev, 1, 0x2a)) { // U-Law GCI 8-bit interface
+		 printk(KERN_INFO "ProSlic DirectReg Died.\n");
+		 return -1;
+	}
+    if (writeProSlicDirectReg(dev, 2, 0))    // Tx Start count low byte  0
+		 return -1;
+    if (writeProSlicDirectReg(dev, 3, 0))    // Tx Start count high byte 0
+		 return -1;
+    if (writeProSlicDirectReg(dev, 4, 0))    // Rx Start count low byte  0
+		 return -1;
+    if (writeProSlicDirectReg(dev, 5, 0))    // Rx Start count high byte 0
+		 return -1;
+    if (writeProSlicDirectReg(dev, 8, 0x0))    // disable loopback
+		 return -1;
+    if (writeProSlicDirectReg(dev, 18, 0xff))     // clear all interrupt
+		 return -1;
+    if (writeProSlicDirectReg(dev, 19, 0xff)) 
+		 return -1;
+    if (writeProSlicDirectReg(dev, 20, 0xff)) 
+		 return -1;
+    if (writeProSlicDirectReg(dev, 21, 0x00)) 	// enable interrupt
+		 return -1;
+    if (writeProSlicDirectReg(dev, 22, 0x02)) 	// Loop detection interrupt
+		 return -1;
+    if (writeProSlicDirectReg(dev, 23, 0x01)) 	// DTMF detection interrupt
+		 return -1;
+    if (writeProSlicDirectReg(dev, 72, 0x20))
+	    	return -1;
+#ifdef BOOST_RINGER
+	/* Beef up Ringing voltage to 89V */
+	if (writeProSlicInDirectReg(dev, 23, 0x1d1))
+			return -1;
+#endif
+	return 0;
+}
+
+static int init_hardware(struct wc_usb_pvt *p)
+{
+	struct usb_device *dev = p->dev;
+
+	switch (p->devclass) {
+	case WC_PROSLIC:
+		if (wcoutp(dev, 0x12, 0x00))	/* AUX6 as output, set to low */
+			return -1;
+    		if (wcoutp(dev, 0x13, 0x40))	/* AUX6 is output */
+      			return -1;
+    		if (wcoutp(dev, 0, 0x50))	/* extrst, AUX2 is suspend */
+      			return -1;
+    		if (wcoutp(dev, 0x29, 0x20))	/* enable SerialUP AUX pin definition */
+      			return -1;
+    		if (wcoutp(dev, 0, 0x51))	/* no extrst, AUX2 is suspend */
+      			return -1;
+		/* Make sure there is no gain */
+    		if (wcoutp(dev, 0x22, 0x00))
+			return -1;
+    		if (wcoutp(dev, 0x23, 0xf2))
+        		return -1;
+    		if (wcoutp(dev, 0x24, 0x00))
+			return -1;
+    		if (wcoutp(dev, 0x25, 0xc9))
+			return -1;
+		if (InitProSlic(dev)) {
+			printk("wcusb: Failed to initialize proslic\n");
+			return -1;
+		}
+	case WC_KEYPAD:
+		set_aux_ctrl(p, WC_AUX0, 1);
+		set_aux_ctrl(p, WC_AUX1, 1);
+		set_aux_ctrl(p, WC_AUX2, 1);
+		set_aux_ctrl(p, WC_AUX3, 1);
+	}
+
+	if (debug) printk("wcusb: Setting correct interfaces.\n");
+
+	/* Setup correct settings (8000 Hz, signed linear) */
+	if (usb_set_interface(dev, 2, 1)) {
+		printk("wcusb: Unable to setup USB interface 2 to altsetting 1\n");
+		return -1;
+	}
+	if (usb_set_interface(dev, 3, 1)) {
+		printk("wcusb: Unable to setup USB interface 3 to altsetting 1\n");
+		return -1;
+	}
+	return 0; 
+}
+
+/* Don't call from an interrupt context */
+static int set_aux_ctrl(struct wc_usb_pvt *p, char uauxpins, int on)
+{
+	char udata12 = 0;
+	char udata13 = 0;
+
+	wcinp(p->dev, 0x12, &udata12);
+	wcinp(p->dev, 0x13, &udata13);
+
+	wcoutp(p->dev, 0x12, on ? (uauxpins | udata12) : (~uauxpins & udata12));
+	wcoutp(p->dev, 0x13, uauxpins | udata13);
+
+	return 0;
+}
+	
+static void wcusb_check_keypad(struct wc_usb_pvt *p)
+{
+	struct wc_keypad_data *d = p->pvt_data;
+
+	if (!d->running) {
+		printk("Stopping keypad stream\n");
+		return;
+	}
+	if (debug) printk("Launched a packet\n");
+	d->state = STATE_FOR_LOOP_1_OUT;
+	d->data = -1;
+	d->data12 = -1;
+	d->scanned_event = -1;
+	d->i = 0;
+	wcusb_async_read(p, 0x12, &d->data12, 1, 0, keypad_check_done);
+	return;
+}
+
+static char wc_dtmf(struct wc_usb_pvt *p)
+{
+	struct wc_keypad_data *d = p->pvt_data;
+	short linsample = 0;
+
+	if (!d) {
+		printk("NULL pointer, go away\n");
+		return 0;
+	}
+
+	linsample = zt_tone_nextsample(&d->ts, d->tone);
+
+
+	return ZT_LIN2MU(linsample);
+}
+
+static void wcusb_read_complete(struct urb *q)
+{
+	struct wc_usb_pvt *p = q->context;
+	short *chunk = q->transfer_buffer;
+	int x;
+
+	if (!p->flags & FLAG_RUNNING) {
+		/* Stop sending URBs since we're not running anymore */
+		p->urbcount--;
+		return;
+	}
+
+	switch (p->sample) {
+		case STREAM_NORMAL:
+			for (x = 0; x < ZT_CHUNKSIZE; x++) {
+				p->chan.readchunk[x] = ZT_LIN2MU(chunk[x]);
+			}
+			break;
+		case STREAM_DTMF:
+			for (x = 0; x < ZT_CHUNKSIZE; x++) {
+				p->chan.readchunk[x] = wc_dtmf(p);
+			}
+			break;
+	}
+	zt_receive(&p->span);
+
+	q->dev = p->dev;
+	
+	if (usb_submit_urb(q)) {
+		printk("wcusb: Read cycle failed\n");
+	}
+
+	if (p->timer && !--p->timer) {
+		if (p->devclass == WC_KEYPAD) {
+			if(debug) printk("Checking keypad\n");
+			wcusb_check_keypad(p);
+		} else {
+			wcusb_check_interrupt(p);
+		}
+	}
+
+#ifdef PROSLIC_POWERSAVE
+	if (p->devclass != WC_KEYPAD) {
+		if (p->lowpowertimer && !--p->lowpowertimer) {
+			/* Switch back into low power mode */
+			p->idletxhookstate = 1;
+			if (p->txhook == 2)
+				p->newtxhook = p->idletxhookstate;
+		}
+	}
+#endif	
+	return;
+}
+
+static void wcusb_write_complete(struct urb *q)
+{
+	struct wc_usb_pvt *p = q->context;
+	short *chunk = q->transfer_buffer;
+	int x;
+
+	if (!p->flags & FLAG_RUNNING) {
+		/* Stop sending URBs since we're not running anymore */
+		p->urbcount--;
+		return;
+	}
+
+	zt_transmit(&p->span);
+	for (x = 0; x < ZT_CHUNKSIZE; x++) {
+		chunk[x] = ZT_MULAW(p->chan.writechunk[x]);
+	}
+	q->dev = p->dev;
+	
+	if (usb_submit_urb(q)) {
+		printk("wcusb: Write cycle failed\n");
+	}
+
+	return;
+}
+
+static int StopTransmit(struct wc_usb_pvt *p)
+{
+	p->flags &= ~FLAG_RUNNING;
+
+	if (p->devclass == WC_KEYPAD) {
+		struct wc_keypad_data *d = p->pvt_data;
+		d->running = 0;
+	}
+	while(p->urbcount) {
+		schedule_timeout(1);
+	}
+	printk("ending transmit\n");
+	return 0;
+}
+
+static int flip_relays(struct wc_usb_pvt *p, int onoff)
+{
+    unsigned char ctl;
+    unsigned char data;
+    /* Read data */
+    if (wcinp(p->dev, 0x12, &data))
+	return -1;
+    /* Read control */
+    if (wcinp(p->dev, 0x13, &ctl))
+	return -1;
+    /* Setup values properly -- Pins AUX3 & AUX4 control the relays */
+    ctl |= 0x18;
+    if (onoff) {
+	data |= 0x18;
+    } else {
+	data &= 0xe7;
+    }
+    if (wcoutp(p->dev, 0x12, data))
+	return -1;
+    if (wcoutp(p->dev, 0x13, ctl))
+	return -1;
+    return 0;
+}
+
+static int prepare_transfer_urbs(struct wc_usb_pvt *p)
+{
+	int x;
+	/* Endpoint 6 is the wave-in device */
+	unsigned int readpipe = usb_rcvisocpipe(p->dev, 0x06);
+	/* Endpoint 7 is the wave-out device */
+	unsigned int writepipe = usb_sndisocpipe(p->dev, 0x07);
+
+	for (x = 0; x < 2; x++) {
+		p->dataread[x].urb.dev = p->dev;
+		p->dataread[x].urb.pipe = readpipe;
+		p->dataread[x].urb.transfer_flags = USB_ISO_ASAP;
+		p->dataread[x].urb.number_of_packets = 1;
+		p->dataread[x].urb.context = p;
+		p->dataread[x].urb.complete = wcusb_read_complete;
+		p->dataread[x].urb.iso_frame_desc[0].length = ZT_CHUNKSIZE * 2;
+		p->dataread[x].urb.iso_frame_desc[0].offset = 0;
+		p->dataread[x].urb.transfer_buffer = p->readchunk + ZT_CHUNKSIZE * x;
+		p->dataread[x].urb.transfer_buffer_length = ZT_CHUNKSIZE * 2;
+
+		p->datawrite[x].urb.dev = p->dev;
+		p->datawrite[x].urb.pipe = writepipe;
+		p->datawrite[x].urb.transfer_flags = USB_ISO_ASAP;
+		p->datawrite[x].urb.number_of_packets = 1;
+		p->datawrite[x].urb.context = p;
+		p->datawrite[x].urb.complete = wcusb_write_complete;
+		p->datawrite[x].urb.iso_frame_desc[0].length = ZT_CHUNKSIZE * 2;
+		p->datawrite[x].urb.iso_frame_desc[0].offset = 0;
+		p->datawrite[x].urb.transfer_buffer = p->writechunk + ZT_CHUNKSIZE * x;
+		p->datawrite[x].urb.transfer_buffer_length = ZT_CHUNKSIZE * 2;
+	
+	}
+	return 0;
+}
+
+static int begin_transfer(struct wc_usb_pvt *p)
+{
+
+	int x;
+	p->urbcount = 4;
+	p->flags |= FLAG_RUNNING;
+
+	for (x = 0; x < 2; x++) {
+		if (usb_submit_urb(&p->dataread[x].urb)) {
+			printk(KERN_ERR "wcusb: Read submit failed\n");
+			return -1;
+		}
+		if (usb_submit_urb(&p->datawrite[x].urb)) {
+			printk(KERN_ERR "wcusb: Write submit failed\n");
+			return -1;
+		}
+	}
+	/* Start checking for interrupts */
+	wcusb_check_interrupt(p);
+	return 0;
+}
+
+static int wc_usb_hooksig(struct zt_chan *chan, zt_txsig_t txsig)
+{
+	struct wc_usb_pvt *p = chan->pvt;
+
+	switch (p->devclass) {
+		case WC_PROSLIC:
+#ifdef PROSLIC_POWERSAVE
+			if (p->txhook == 4) {
+				/* Switching out of ring...  Be sure we idle at 2, not 1 at least
+				    for a bit so we can transmit caller*ID */
+				p->idletxhookstate = 2;
+				p->lowpowertimer = POWERSAVE_TIME;
+			}
+#endif	
+	
+			p->txhook = -1;
+			switch(txsig) {
+				case ZT_TXSIG_ONHOOK:
+					switch(chan->sig) {
+						case ZT_SIG_FXOKS:
+						case ZT_SIG_FXOLS:
+							p->newtxhook = p->idletxhookstate;
+							break;
+						case ZT_SIG_FXOGS:
+							p->newtxhook = 3;
+							break;
+					}
+				break;
+				case ZT_TXSIG_OFFHOOK:
+					p->newtxhook = p->idletxhookstate;
+					break;
+				case ZT_TXSIG_START:
+					p->newtxhook = 4;
+					break;
+				case ZT_TXSIG_KEWL:
+					p->newtxhook = 0;
+					break;
+			}
+		case WC_KEYPAD:
+			switch (txsig) {
+				case ZT_TXSIG_ONHOOK:
+					break;
+				case ZT_TXSIG_OFFHOOK:
+					break;
+				case ZT_TXSIG_START:
+					break;
+				case ZT_TXSIG_KEWL:
+					break;
+			}
+			break;
+	}
+	return 0;
+}
+
+static int wc_usb_open(struct zt_chan *chan)
+{
+	struct wc_usb_pvt *p = chan->pvt;
+	if (p->dead)
+		return -1;
+	switch (p->devclass) {
+		case WC_KEYPAD:
+			p->hookstate = 0;
+			zt_hooksig(&p->chan, ZT_RXSIG_ONHOOK);
+			break;
+		default:
+			break;
+	}
+	MOD_INC_USE_COUNT;
+	p->usecount++;
+	return 0;
+}
+
+static int wc_usb_close(struct zt_chan *chan)
+{
+	struct wc_usb_pvt *p = chan->pvt;
+	p->usecount--;
+	if (!p->usecount && p->dead) {
+		/* Someone unplugged us while we were running, so now
+		   that the program exited, we can release our resources */
+		zt_unregister(&p->span);
+		if (p->pvt_data)
+			kfree(p->pvt_data);
+		kfree(p);
+	}
+	MOD_DEC_USE_COUNT;
+	return 0;
+}
+
+static struct wc_usb_pvt *wc_detect_device(struct usb_device *dev)
+{
+	struct wc_usb_pvt *p = kmalloc(sizeof(struct wc_usb_pvt), GFP_KERNEL);
+
+	if (!p) {
+		printk("wcusb: kmalloc failed\n");
+		return NULL;
+	}
+
+	memset(p, 0, sizeof(struct wc_usb_pvt));
+	p->dev = dev;
+
+#ifdef PROSLIC_POWERSAVE
+	/* By default we can't send on hook */
+	p->idletxhookstate = 1;
+#else
+	/* By default we can always send on hook */
+	p->idletxhookstate = 2;	
+#endif	
+
+	printk("wcusb: wc_detect_device\n");
+	if (dev->descriptor.idProduct == 0xb210) {
+		struct wc_keypad_data *d = kmalloc(sizeof(struct wc_keypad_data), GFP_KERNEL);
+		printk("wcusb: Found a WC Keyed Phone\n");
+		p->devclass = WC_KEYPAD;
+		if (!d) {
+			printk("wcusb: kmalloc failed in init_device_pvt\n");
+			return NULL;
+		}
+		memset(d, 0, sizeof(struct wc_keypad_data));
+		p->pvt_data = d;
+		d->count = 0;
+		d->running = 1;
+		d->tone = NULL;
+		return p;
+	} else {
+		p->pvt_data = NULL;
+		p->devclass = WC_PROSLIC;
+	}
+	printk("Second exit\n");
+	return p;
+}
+
+static int wc_set_zaptel(struct wc_usb_pvt *p)
+{
+	int x;
+
+	sprintf(p->span.name, "WCUSB/%d", devcount);
+	sprintf(p->span.desc,"%s %d", p->span.name, devcount);
+        sprintf(p->chan.name, "WCUSB/%d/%d", devcount, 0);
+
+        p->chan.sigcap = ZT_SIG_FXOKS | ZT_SIG_FXOLS | ZT_SIG_FXOGS;    /* We're capabable of both FXOKS and FXOLS */
+        p->chan.chanpos = 1;
+        p->span.deflaw = ZT_LAW_MULAW;
+        p->span.chans = &p->chan;
+        p->span.channels = 1;
+        p->span.hooksig = wc_usb_hooksig;
+        p->span.open = wc_usb_open;
+        p->span.close = wc_usb_close;
+
+	for (x = 0; x < WC_MAX_IFACES; x++)
+		if (!ifaces[x]) break;
+	if (x >= WC_MAX_IFACES) {
+		printk("wcusb: Too many interfaces\n");
+		return -1;
+	}
+
+        p->pos = x;
+        p->span.flags = ZT_FLAG_RBS;
+        init_waitqueue_head(&p->span.maintq);
+        p->span.pvt = p;
+        p->chan.pvt = p;
+	
+	/* Set the stream to just pass the data from the device uninhibited */
+	p->sample = STREAM_NORMAL;
+
+	if (zt_register(&p->span, 0)) {
+		printk("wcusb: Unable to register span %s\n", p->span.name);
+		return -1;
+	}
+
+	return 0;
+}
+	
+static void *wc_usb_probe(struct usb_device *dev, unsigned int ifnum, const struct usb_device_id *id)
+{
+	struct wc_usb_pvt *p = NULL;
+	struct wc_usb_desc *d = (struct wc_usb_desc *)id->driver_info;
+
+	if (!(p = wc_detect_device(dev))) {
+		printk("wcusb: No wcusb devices found\n");
+		return NULL;
+	}
+
+	if (usb_set_configuration(dev, dev->config[0].bConfigurationValue) < 0) {
+		printk("wcusb: set_configuration failed (ConfigValue 0x%x)\n", dev->config[0].bConfigurationValue);
+		return NULL;
+	}
+
+	if (init_hardware(p)) {
+		printk("wcusb: Hardware intialization failed.\n");
+		goto cleanup;
+	}
+
+	if (prepare_transfer_urbs(p)) {
+		printk("wcusb: problem preparing the urbs for transfer\n");
+		goto cleanup;
+	}
+	
+	if (d->flags & FLAG_FLIP_RELAYS) {
+		flip_relays(p, 1);
+	}
+
+	if (wc_set_zaptel(p)) {
+		printk("wcusb: Error in starting the zaptel stuff\n");
+		goto cleanup;
+	}
+
+	if (begin_transfer(p)) {
+		printk("wcusb: Something went wrong when starting the transfer\n");
+		goto cleanup;
+	}
+
+	printk("wcusb: Found a %s\n", d->name);
+	
+	devcount++; /* Increase our device count */
+	return p;
+	
+cleanup:
+	printk("cleanup\n");
+	if (p) {
+		if (p->pvt_data) {
+			kfree(p->pvt_data);
+		}
+		kfree(p);
+	}
+	return NULL;
+}
+
+static void wc_usb_disconnect(struct usb_device *dev, void *ptr)
+{
+	/* Doesn't handle removal if we're in use right */
+	struct wc_usb_pvt *p = ptr;
+	if (ptr) {
+		StopTransmit(p);
+		if (!p->usecount) {
+			zt_unregister(&p->span);
+			if (p->pvt_data)
+				kfree(p->pvt_data);
+			kfree(ptr);
+		} else 
+			p->dead = 1;
+	}
+	devcount--;
+	printk("wcusb: Removed a Wildcard device\n");
+	return;
+}
+
+static struct usb_device_id wc_dev_ids[] = {
+          /* This needs to be a USB audio device, and it needs to be made by us and have the right device ID */
+	{ 
+		match_flags: (USB_DEVICE_ID_MATCH_INT_CLASS | USB_DEVICE_ID_MATCH_INT_SUBCLASS | USB_DEVICE_ID_MATCH_DEVICE),
+		bInterfaceClass: USB_CLASS_AUDIO,
+		bInterfaceSubClass: 1,
+		idVendor: 0x06e6,
+		idProduct: 0x831c,            /* Product ID / Chip configuration (you can't change this) */
+		driver_info: (unsigned long)&wcusb,
+	},
+	{ 
+		match_flags: (USB_DEVICE_ID_MATCH_INT_CLASS | USB_DEVICE_ID_MATCH_INT_SUBCLASS | USB_DEVICE_ID_MATCH_DEVICE),
+		bInterfaceClass: USB_CLASS_AUDIO,
+		bInterfaceSubClass: 1,
+		idVendor: 0x06e6,
+		idProduct: 0x831e,
+		driver_info: (unsigned long)&wcusb2,
+	},
+	{ 
+		match_flags: (USB_DEVICE_ID_MATCH_INT_CLASS | USB_DEVICE_ID_MATCH_INT_SUBCLASS | USB_DEVICE_ID_MATCH_DEVICE),
+		bInterfaceClass: USB_CLASS_AUDIO,
+		bInterfaceSubClass: 1,
+		idVendor: 0x06e6,
+		idProduct: 0xb210,
+		driver_info: (unsigned long)&wc_usb_phone,
+	},
+	{ }     /* Terminating Entry */
+};
+
+static struct usb_driver wc_usb_driver =
+{
+	name: "wcusb",
+	probe: wc_usb_probe,
+	disconnect: wc_usb_disconnect,
+	fops: NULL,
+	minor: 0,
+	id_table: wc_dev_ids,
+};
+
+static int __init wc_init (void) 
+{
+	int res;
+	res = usb_register(&wc_usb_driver);
+	if (res)
+		return res;
+	printk("Wildcard USB FXS Interface driver registered\n");
+	return 0;
+}	  
+
+static void __exit wc_cleanup(void)
+{
+	usb_deregister(&wc_usb_driver);
+}
+
+MODULE_AUTHOR("Matthew Fredrickson <creslin@linux-support.net>");
+MODULE_DESCRIPTION("Wildcard USB FXS Interface driver");
+#ifdef MODULE_LICENSE
+MODULE_LICENSE("GPL");
+#endif
+
+MODULE_DEVICE_TABLE(usb, wc_dev_ids);
+
+module_init(wc_init);
+module_exit(wc_cleanup);
+