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path: root/drivers/dahdi/wct4xxp/base.c
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Diffstat (limited to 'drivers/dahdi/wct4xxp/base.c')
-rw-r--r--drivers/dahdi/wct4xxp/base.c100
1 files changed, 86 insertions, 14 deletions
diff --git a/drivers/dahdi/wct4xxp/base.c b/drivers/dahdi/wct4xxp/base.c
index 63a3bfc..acbdd73 100644
--- a/drivers/dahdi/wct4xxp/base.c
+++ b/drivers/dahdi/wct4xxp/base.c
@@ -167,7 +167,10 @@ static int t1e1override = -1; //0xFF; // -1 = jumper; 0xFF = E1
static int j1mode = 0;
static int sigmode = FRMR_MODE_NO_ADDR_CMP;
static int loopback = 0;
-static int alarmdebounce = 0;
+static int alarmdebounce = 2500; /* LOF/LFA def to 2.5s AT&T TR54016*/
+static int losalarmdebounce = 2500;/* LOS def to 2.5s AT&T TR54016*/
+static int aisalarmdebounce = 2500;/* AIS(blue) def to 2.5s AT&T TR54016*/
+static int yelalarmdebounce = 500;/* RAI(yellow) def to 0.5s AT&T devguide */
#ifdef VPM_SUPPORT
static int vpmsupport = 1;
/* If set to auto, vpmdtmfsupport is enabled for VPM400M and disabled for VPM450M */
@@ -250,6 +253,9 @@ struct t4_span {
int redalarms;
int notclear;
int alarmcount;
+ int losalarmcount;
+ int aisalarmcount;
+ int yelalarmcount;
int spanflags;
int syncpos;
#ifdef SUPPORT_GEN1
@@ -1913,7 +1919,7 @@ static void __t4_configure_t1(struct t4 *wc, int unit, int lineconfig, int txlev
else
mytxlevel = txlevel - 4;
fmr1 = 0x9c; /* FMR1: Mode 1, T1 mode, CRC on for ESF, 8.192 Mhz system data rate, no XAIS */
- fmr2 = 0x22; /* FMR2: no payload loopback, auto send yellow alarm */
+ fmr2 = 0x20; /* FMR2: no payload loopback, don't auto yellow */
if (loopback)
fmr2 |= 0x4;
fmr4 = 0x0c; /* FMR4: Lose sync on 2 out of 5 framing bits, auto resync */
@@ -2555,15 +2561,51 @@ static void t4_check_alarms(struct t4 *wc, int span)
alarms |= DAHDI_ALARM_NOTOPEN;
}
- if (c & 0xa0) {
- if (ts->alarmcount >= alarmdebounce)
+ if (c & 0x20) { /* LOF/LFA */
+ if (ts->alarmcount >= alarmdebounce)
alarms |= DAHDI_ALARM_RED;
- else
+ else {
+ if (unlikely(debug && !ts->alarmcount)) {
+ /* starting to debounce LOF/LFA */
+ printk(KERN_INFO "wct%dxxp: LOF/LFA detected "
+ "on span %d but debouncing for %d ms\n",
+ wc->numspans, span + 1, alarmdebounce);
+ }
ts->alarmcount++;
+ }
} else
ts->alarmcount = 0;
- if (c & 0x4)
- alarms |= DAHDI_ALARM_BLUE;
+
+ if (c & 0x80) { /* LOS */
+ if (ts->losalarmcount >= losalarmdebounce)
+ alarms |= DAHDI_ALARM_RED;
+ else {
+ if (unlikely(debug && !ts->losalarmcount)) {
+ /* starting to debounce LOS */
+ printk(KERN_INFO "wct%dxxp: LOS detected on "
+ "span %d but debouncing for %d ms\n",
+ wc->numspans, span + 1, losalarmdebounce);
+ }
+ ts->losalarmcount++;
+ }
+ } else
+ ts->losalarmcount = 0;
+
+ if (c & 0x40) { /* AIS */
+ if (ts->aisalarmcount >= aisalarmdebounce)
+ alarms |= DAHDI_ALARM_BLUE;
+ else {
+ if (unlikely(debug && !ts->aisalarmcount)) {
+ /* starting to debounce AIS */
+ printk(KERN_INFO "wct%dxxp: AIS detected on "
+ "span %d but debouncing for %d ms\n",
+ wc->numspans, span + 1, aisalarmdebounce);
+ }
+ ts->aisalarmcount++;
+ }
+ } else
+ ts->aisalarmcount = 0;
+
if (((!ts->span.alarms) && alarms) ||
(ts->span.alarms && (!alarms)))
@@ -2579,7 +2621,8 @@ static void t4_check_alarms(struct t4 *wc, int span)
if (alarms && !(ts->spanflags & FLAG_SENDINGYELLOW)) {
unsigned char fmr4;
#if 1
- printk(KERN_INFO "wct%dxxp: Setting yellow alarm on span %d\n", wc->numspans, span + 1);
+ printk(KERN_INFO "wct%dxxp: Setting yellow alarm on span %d\n",
+ wc->numspans, span + 1);
#endif
/* We manually do yellow alarm to handle RECOVER and NOTOPEN, otherwise it's auto anyway */
fmr4 = __t4_framer_in(wc, span, 0x20);
@@ -2588,7 +2631,8 @@ static void t4_check_alarms(struct t4 *wc, int span)
} else if ((!alarms) && (ts->spanflags & FLAG_SENDINGYELLOW)) {
unsigned char fmr4;
#if 1
- printk(KERN_INFO "wct%dxxp: Clearing yellow alarm on span %d\n", wc->numspans, span + 1);
+ printk(KERN_INFO "wct%dxxp: Clearing yellow alarm on span %d\n",
+ wc->numspans, span + 1);
#endif
/* We manually do yellow alarm to handle RECOVER */
fmr4 = __t4_framer_in(wc, span, 0x20);
@@ -2598,8 +2642,23 @@ static void t4_check_alarms(struct t4 *wc, int span)
/* Re-check the timing source when we enter/leave alarm, not withstanding
yellow alarm */
- if (c & 0x10)
- alarms |= DAHDI_ALARM_YELLOW;
+ if (c & 0x10) { /* receiving yellow (RAI) */
+ if (ts->yelalarmcount >= yelalarmdebounce)
+ alarms |= DAHDI_ALARM_YELLOW;
+ else {
+ if (unlikely(debug && !ts->yelalarmcount)) {
+ /* starting to debounce AIS */
+ printk(KERN_INFO "wct%dxxp: yelllow (RAI) "
+ "detected on span %d but debouncing "
+ "for %d ms\n",
+ wc->numspans, span + 1,
+ yelalarmdebounce);
+ }
+ ts->yelalarmcount++;
+ }
+ } else
+ ts->yelalarmcount = 0;
+
if (ts->span.mainttimer || ts->span.maintstat)
alarms |= DAHDI_ALARM_LOOPBACK;
ts->span.alarms = alarms;
@@ -2615,8 +2674,11 @@ static void t4_do_counters(struct t4 *wc)
int docheck=0;
spin_lock(&wc->reglock);
- if (ts->loopupcnt || ts->loopdowncnt)
+ if (ts->loopupcnt || ts->loopdowncnt || ts->alarmcount
+ || ts->losalarmcount || ts->aisalarmcount
+ || ts->yelalarmcount)
docheck++;
+
if (ts->alarmtimer) {
if (!--ts->alarmtimer) {
docheck++;
@@ -2639,7 +2701,7 @@ static inline void __handle_leds(struct t4 *wc)
for (x=0;x<wc->numspans;x++) {
struct t4_span *ts = wc->tspans[x];
if (ts->span.flags & DAHDI_FLAG_RUNNING) {
- if (ts->span.alarms & (DAHDI_ALARM_RED | DAHDI_ALARM_BLUE)) {
+ if ((ts->span.alarms & (DAHDI_ALARM_RED | DAHDI_ALARM_BLUE)) || ts->losalarmcount) {
#ifdef FANCY_ALARM
if (wc->blinktimer == (altab[wc->alarmpos] >> 1)) {
__t4_set_led(wc, x, WC_RED);
@@ -3814,6 +3876,7 @@ static void __devexit t4_remove_one(struct pci_dev *pdev)
{
struct t4 *wc = pci_get_drvdata(pdev);
struct dahdi_span *span;
+ int basesize;
int i;
if (!wc) {
@@ -3829,6 +3892,10 @@ static void __devexit t4_remove_one(struct pci_dev *pdev)
wc->vpm450m = NULL;
/* Unregister spans */
+ basesize = DAHDI_MAX_CHUNKSIZE * 32 * 4;
+ if (!(wc->tspans[0]->spanflags & FLAG_2NDGEN))
+ basesize = basesize * 2;
+
for (i = 0; i < wc->numspans; ++i) {
span = &wc->tspans[i]->span;
if (test_bit(DAHDI_FLAGBIT_REGISTERED, &span->flags))
@@ -3849,7 +3916,9 @@ static void __devexit t4_remove_one(struct pci_dev *pdev)
pci_release_regions(pdev);
/* Immediately free resources */
- pci_free_consistent(pdev, DAHDI_MAX_CHUNKSIZE * 2 * 2 * 32 * 4, (void *)wc->writechunk, wc->writedma);
+
+ pci_free_consistent(pdev, basesize * 2,
+ (void *)wc->writechunk, wc->writedma);
order_index[wc->order]--;
@@ -3931,6 +4000,9 @@ module_param(noburst, int, 0600);
module_param(timingcable, int, 0600);
module_param(t1e1override, int, 0600);
module_param(alarmdebounce, int, 0600);
+module_param(losalarmdebounce, int, 0600);
+module_param(aisalarmdebounce, int, 0600);
+module_param(yelalarmdebounce, int, 0600);
module_param(j1mode, int, 0600);
module_param(sigmode, int, 0600);
#ifdef VPM_SUPPORT
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-18 14:27:01 +0000