From cd0da1d15c640b4a63fe9e0222b216bebaf0b08f Mon Sep 17 00:00:00 2001
From: markster <markster@5390a7c7-147a-4af0-8ec9-7488f05a26cb>
Date: Sat, 26 Oct 2002 18:25:29 +0000
Subject: Version 0.3.2 from FTP

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@123 5390a7c7-147a-4af0-8ec9-7488f05a26cb
---
 wcfxo.c | 39 ++++++++++++++++++++++++++++++++++++---
 1 file changed, 36 insertions(+), 3 deletions(-)

(limited to 'wcfxo.c')

diff --git a/wcfxo.c b/wcfxo.c
index 2d3ee1f..e00f4eb 100755
--- a/wcfxo.c
+++ b/wcfxo.c
@@ -42,6 +42,9 @@
 
 /* #define ENABLE_TASKLETS */
 
+/* Un-comment the following for POTS line support for Japan */
+/* #define	JAPAN */
+
 #define WC_MAX_IFACES 128
 
 #define WC_CNTL    	0x00
@@ -68,7 +71,12 @@
 #define FLAG_READ	2
 
 #define RING_DEBOUNCE	64		/* Ringer Debounce (in ms) */
+#ifdef	JAPAN
+#define BATT_DEBOUNCE	30		/* Battery debounce (in ms) */
+#define OH_DEBOUNCE	350		/* Off/On hook debounce (in ms) */
+#else
 #define BATT_DEBOUNCE	80		/* Battery debounce (in ms) */
+#endif
 
 #define MINPEGTIME	10 * 8		/* 30 ms peak to peak gets us no more than 100 Hz */
 #define PEGTIME		50 * 8		/* 50ms peak to peak gets us rings of 10 Hz or more */
@@ -104,6 +112,10 @@ struct wcfxo {
 	int pegcount;
 	int battdebounce;
 	int nobatttimer;
+	int ringdebounce;
+#ifdef	JAPAN
+	int ohdebounce;
+#endif
 	int allread;
 	int regoffset;			/* How far off our registers are from what we expect */
 	int alt;
@@ -295,7 +307,10 @@ static inline void wcfxo_receiveprep(struct wcfxo *wc, unsigned char ints)
 		/* Reset pegcount if our timer expires */
 		wc->pegcount = 0;
 	}
-	if (!wc->offhook) {
+	/* Decrement debouncer if appropriate */
+	if (wc->ringdebounce)
+		wc->ringdebounce--;
+	if (!wc->offhook && !wc->ringdebounce) {
 		if (!wc->ring && (wc->pegcount > PEGCOUNT)) {
 			/* It's ringing */
 			if (debug)
@@ -393,7 +408,10 @@ static void wcfxo_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 				if (debug)
 					printk("NO BATTERY!\n");
 				wc->battery =  0;
-				zt_hooksig(&wc->chan, ZT_RXSIG_ONHOOK);
+#ifdef	JAPAN
+				if ((!wc->ohdebounce) && wc->offhook)
+#endif
+					zt_hooksig(&wc->chan, ZT_RXSIG_ONHOOK);
 				wc->battdebounce = BATT_DEBOUNCE;
 			} else if (!wc->battery)
 				wc->battdebounce = BATT_DEBOUNCE;
@@ -423,6 +441,11 @@ static void wcfxo_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 		if (wc->battdebounce)
 			wc->battdebounce--;
+#ifdef	JAPAN
+		if (wc->ohdebounce)
+			wc->ohdebounce--;
+#endif
+
 	}
 }
 
@@ -477,6 +500,11 @@ static int wcfxo_hooksig(struct zt_chan *chan, zt_txsig_t txsig)
 		reg = reg | 0x1;
 		wcfxo_setreg(wc, 0x5, reg);
 		wc->offhook = 1;
+#ifdef	JAPAN
+		wc->battery = 1;
+		wc->battdebounce = BATT_DEBOUNCE;
+		wc->ohdebounce = OH_DEBOUNCE;
+#endif
 		break;
 	case ZT_TXSIG_ONHOOK:
 		/* Put on hook and enable on hook line monitor */
@@ -486,6 +514,11 @@ static int wcfxo_hooksig(struct zt_chan *chan, zt_txsig_t txsig)
 		reg = reg | 0x08;
 		wcfxo_setreg(wc, 0x5, reg);
 		wc->offhook = 0;
+		/* Don't accept a ring for another 1000 ms */
+		wc->ringdebounce = 1000;
+#ifdef	JAPAN
+		wc->ohdebounce = OH_DEBOUNCE;
+#endif
 		break;
 	default:
 		printk("wcfxo: Can't set tx state to %d\n", txsig);
@@ -499,7 +532,7 @@ static int wcfxo_initialize(struct wcfxo *wc)
 {
 	/* Zapata stuff */
 	sprintf(wc->span.name, "WCFXO/%d", wc->pos);
-	sprintf(wc->span.desc, "%s Board %d\n", wc->variety, wc->pos + 1);
+	sprintf(wc->span.desc, "%s Board %d", wc->variety, wc->pos + 1);
 	sprintf(wc->chan.name, "WCFXO/%d/%d", wc->pos, 0);
 	wc->chan.sigcap = ZT_SIG_FXSKS | ZT_SIG_FXSLS;
 	wc->chan.chanpos = 1;
-- 
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