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added GPIO Check for the NT/TE Jumper settings for the 4S based cards. If the protocol Configuration does not match the Jumper Settings we print out a warning now. Thanks to Martin Bachen who submitted this patch.

This commit is contained in:
Chrisian Richter 2006-05-04 14:03:03 +00:00
parent 534a86348f
commit c684d5e96d
1 changed files with 42 additions and 0 deletions
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42
drivers/isdn/hardware/mISDN/hfc_multi.c
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@ -3269,6 +3269,7 @@ static int __devinit hfcpci_probe(struct pci_dev *pdev, const struct pci_device_
mISDNstack_t *dst = NULL; /* make gcc happy */
channel_t *chan;
u_long flags;
u_char dips=0, pmj=0; // dip settings, port mode Jumpers
id_idx = find_idlist_entry(ent->vendor,ent->subvendor,ent->device,ent->subdevice);
if (id_idx == -1) {
@ -3614,6 +3615,47 @@ static int __devinit hfcpci_probe(struct pci_dev *pdev, const struct pci_device_
if (debug & DEBUG_HFCMULTI_INIT)
printk(KERN_DEBUG "%s: Init modes card(%d)\n", __FUNCTION__, HFC_idx+1);
hfcmulti_initmode(hc);
/* check if Port Jumper config matches module param 'protocol' */
switch(hc->type) {
// E1
case 1:
break;
// HFC 4S
case 2:
case 4:
// Dip Setting: (collect GPIO 13/14/15 (R_GPIO_IN1) + GPI 19/20/23 (R_GPI_IN2))
dips = ((HFC_inb(hc, R_GPIO_IN1) >> 5) & 0x7) | (HFC_inb(hc, R_GPI_IN2) & 0x98);
// Port mode (TE/NT) jumpers
pmj = ((HFC_inb(hc, R_GPI_IN3) >> 4) & 0xf);
printk(KERN_INFO "%s: DIPs(0x%x) jumpers(0x%x)\n", __FUNCTION__, dips, pmj);
pt = 0;
while(pt < hc->type) {
chan = hc->chan[(pt<<2)+2].ch;
// check for protocol param mismatch
if (((pmj & (1 << pt)) && (chan->inst.pid.protocol[0] == ISDN_PID_L0_TE_S0)) ||
((!(pmj & (1 << pt))) && (chan->inst.pid.protocol[0] == ISDN_PID_L0_NT_S0))) {
printk ("%s: protocol WARNING: port %i is jumpered for %s mode!\n",
__FUNCTION__,
pt,
(pmj & (1 << pt)?"NT":"TE")
);
}
pt++;
}
break;
// HFC 8S
case 8:
break;
default:
break;
}
/* add stacks */
pt = 0;