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mISDN: Rework of LED status display for HFC-4S/8S/E1 cards.

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LEDs will show RED if layer 1 is disabled or fails.
LEDs will show GREEN if layer 1 is active.
LEDs will blink if traffic on D-channel.

Signed-off-by: Andreas Eversberg <jolly@eversberg.eu>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andreas Eversberg 2012-04-24 20:52:13 +00:00 committed by David S. Miller
parent d2fb549654
commit 864fd636b1
2 changed files with 95 additions and 71 deletions
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9
drivers/isdn/hardware/mISDN/hfc_multi.h
View File

@ -205,18 +205,19 @@ struct hfc_multi {
u_int slots; /* number of PCM slots */
u_int leds; /* type of leds */
u_int ledcount; /* used to animate leds */
u_long ledstate; /* save last state of leds */
int opticalsupport; /* has the e1 board */
/* an optical Interface */
int dslot; /* channel # of d-channel (E1) default 16 */
u_int activity_tx; /* if there is data TX / RX */
u_int activity_rx; /* bitmask according to port number */
/* (will be cleared after */
/* showing led-states) */
u_int flash[8]; /* counter for flashing 8 leds on activity */
u_long wdcount; /* every 500 ms we need to */
/* send the watchdog a signal */
u_char wdbyte; /* watchdog toggle byte */
u_int activity[8]; /* if there is any action on this */
/* port (will be cleared after */
/* showing led-states) */
int e1_state; /* keep track of last state */
int e1_getclock; /* if sync is retrieved from interface */
int syncronized; /* keep track of existing sync interface */

157
drivers/isdn/hardware/mISDN/hfcmulti.c
View File

@ -1607,40 +1607,46 @@ hfcmulti_leds(struct hfc_multi *hc)
struct dchannel *dch;
int led[4];
hc->ledcount += poll;
if (hc->ledcount > 4096) {
hc->ledcount -= 4096;
hc->ledstate = 0xAFFEAFFE;
}
switch (hc->leds) {
case 1: /* HFC-E1 OEM */
/* 2 red blinking: NT mode deactivate
* 2 red steady: TE mode deactivate
* left green: L1 active
* left red: frame sync, but no L1
* todo right green: L2 active
/* 2 red steady: LOS
* 1 red steady: L1 not active
* 2 green steady: L1 active
* 1st green flashing: activity on TX
* 2nd green flashing: activity on RX
*/
led[0] = 0;
led[1] = 0;
led[2] = 0;
led[3] = 0;
dch = hc->chan[hc->dslot].dch;
if (test_bit(FLG_ACTIVE, &dch->Flags)) {
led[0] = 0;
led[1] = 0;
led[2] = 0;
led[3] = 1;
} else {
if (dch->dev.D.protocol
!= ISDN_P_NT_E1) {
led[0] = 1;
if (dch) {
if (hc->chan[hc->dslot].los)
led[1] = 1;
} else if (hc->ledcount >> 11) {
if (hc->e1_state != 1) {
led[0] = 1;
led[1] = 1;
hc->flash[2] = 0;
hc->flash[3] = 0;
} else {
led[0] = 0;
led[1] = 0;
led[2] = 1;
led[3] = 1;
if (!hc->flash[2] && hc->activity_tx)
hc->flash[2] = poll;
if (!hc->flash[3] && hc->activity_rx)
hc->flash[3] = poll;
if (hc->flash[2] && hc->flash[2] < 1024)
led[2] = 0;
if (hc->flash[3] && hc->flash[3] < 1024)
led[3] = 0;
if (hc->flash[2] >= 2048)
hc->flash[2] = 0;
if (hc->flash[3] >= 2048)
hc->flash[3] = 0;
if (hc->flash[2])
hc->flash[2] += poll;
if (hc->flash[3])
hc->flash[3] += poll;
}
led[2] = 0;
led[3] = 0;
}
leds = (led[0] | (led[1]<<2) | (led[2]<<1) | (led[3]<<3))^0xF;
/* leds are inverted */
@ -1651,9 +1657,9 @@ hfcmulti_leds(struct hfc_multi *hc)
break;
case 2: /* HFC-4S OEM */
/* red blinking = PH_DEACTIVATE NT Mode
* red steady = PH_DEACTIVATE TE Mode
* green steady = PH_ACTIVATE
/* red steady: PH_DEACTIVATE
* green steady: PH_ACTIVATE
* green flashing: activity on TX
*/
for (i = 0; i < 4; i++) {
state = 0;
@ -1669,17 +1675,20 @@ hfcmulti_leds(struct hfc_multi *hc)
if (state) {
if (state == active) {
led[i] = 1; /* led green */
} else
if (dch->dev.D.protocol == ISDN_P_TE_S0)
/* TE mode: led red */
led[i] = 2;
else
if (hc->ledcount >> 11)
/* led red */
led[i] = 2;
else
/* led off */
led[i] = 0;
hc->activity_tx |= hc->activity_rx;
if (!hc->flash[i] &&
(hc->activity_tx & (1 << i)))
hc->flash[i] = poll;
if (hc->flash[i] && hc->flash[i] < 1024)
led[i] = 0; /* led off */
if (hc->flash[i] >= 2048)
hc->flash[i] = 0;
if (hc->flash[i])
hc->flash[i] += poll;
} else {
led[i] = 2; /* led red */
hc->flash[i] = 0;
}
} else
led[i] = 0; /* led off */
}
@ -1712,9 +1721,9 @@ hfcmulti_leds(struct hfc_multi *hc)
break;
case 3: /* HFC 1S/2S Beronet */
/* red blinking = PH_DEACTIVATE NT Mode
* red steady = PH_DEACTIVATE TE Mode
* green steady = PH_ACTIVATE
/* red steady: PH_DEACTIVATE
* green steady: PH_ACTIVATE
* green flashing: activity on TX
*/
for (i = 0; i < 2; i++) {
state = 0;
@ -1730,22 +1739,23 @@ hfcmulti_leds(struct hfc_multi *hc)
if (state) {
if (state == active) {
led[i] = 1; /* led green */
} else
if (dch->dev.D.protocol == ISDN_P_TE_S0)
/* TE mode: led red */
led[i] = 2;
else
if (hc->ledcount >> 11)
/* led red */
led[i] = 2;
else
/* led off */
led[i] = 0;
hc->activity_tx |= hc->activity_rx;
if (!hc->flash[i] &&
(hc->activity_tx & (1 << i)))
hc->flash[i] = poll;
if (hc->flash[i] < 1024)
led[i] = 0; /* led off */
if (hc->flash[i] >= 2048)
hc->flash[i] = 0;
if (hc->flash[i])
hc->flash[i] += poll;
} else {
led[i] = 2; /* led red */
hc->flash[i] = 0;
}
} else
led[i] = 0; /* led off */
}
leds = (led[0] > 0) | ((led[1] > 0) << 1) | ((led[0]&1) << 2)
| ((led[1]&1) << 3);
if (leds != (int)hc->ledstate) {
@ -1757,8 +1767,11 @@ hfcmulti_leds(struct hfc_multi *hc)
}
break;
case 8: /* HFC 8S+ Beronet */
lled = 0;
/* off: PH_DEACTIVATE
* steady: PH_ACTIVATE
* flashing: activity on TX
*/
lled = 0xff; /* leds off */
for (i = 0; i < 8; i++) {
state = 0;
active = -1;
@ -1772,14 +1785,20 @@ hfcmulti_leds(struct hfc_multi *hc)
}
if (state) {
if (state == active) {
lled |= 0 << i;
lled &= ~(1 << i); /* led on */
hc->activity_tx |= hc->activity_rx;
if (!hc->flash[i] &&
(hc->activity_tx & (1 << i)))
hc->flash[i] = poll;
if (hc->flash[i] < 1024)
lled |= 1 << i; /* led off */
if (hc->flash[i] >= 2048)
hc->flash[i] = 0;
if (hc->flash[i])
hc->flash[i] += poll;
} else
if (hc->ledcount >> 11)
lled |= 0 << i;
else
lled |= 1 << i;
} else
lled |= 1 << i;
hc->flash[i] = 0;
}
}
leddw = lled << 24 | lled << 16 | lled << 8 | lled;
if (leddw != hc->ledstate) {
@ -1794,6 +1813,8 @@ hfcmulti_leds(struct hfc_multi *hc)
}
break;
}
hc->activity_tx = 0;
hc->activity_rx = 0;
}
/*
* read dtmf coefficients
@ -2093,7 +2114,8 @@ next_frame:
*txpending = 1;
/* show activity */
hc->activity[hc->chan[ch].port] = 1;
if (dch)
hc->activity_tx |= 1 << hc->chan[ch].port;
/* fill fifo to what we have left */
ii = len;
@ -2236,7 +2258,8 @@ next_frame:
}
}
/* show activity */
hc->activity[hc->chan[ch].port] = 1;
if (dch)
hc->activity_rx |= 1 << hc->chan[ch].port;
/* empty fifo with what we have */
if (dch || test_bit(FLG_HDLC, &bch->Flags)) {