static void
telespci_interrupt(int intno, void *dev_id, struct pt_regs *regs)
{
#define MAXCOUNT 20
struct IsdnCardState *cs = dev_id;
u_char val;
if (!cs) {
printk(KERN_WARNING "TelesPCI: Spurious interrupt!\n");
return;
}
val = readhscx(cs->hw.teles0.membase, 1, HSCX_ISTA);
if (val)
hscx_int_main(cs, val);
val = readisac(cs->hw.teles0.membase, ISAC_ISTA);
if (val)
isac_interrupt(cs, val);
/* Clear interrupt register for Zoran PCI controller */
writel(0x70000000, cs->hw.teles0.membase + 0x3C);
writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0xFF);
writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0xFF);
writeisac(cs->hw.teles0.membase, ISAC_MASK, 0xFF);
writeisac(cs->hw.teles0.membase, ISAC_MASK, 0x0);
writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0x0);
writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0x0);
}
static irqreturn_t
telespci_interrupt(int intno, void *dev_id)
{
struct IsdnCardState *cs = dev_id;
u_char hval, ival;
u_long flags;
spin_lock_irqsave(&cs->lock, flags);
hval = readhscx(cs->hw.teles0.membase, 1, HSCX_ISTA);
if (hval)
hscx_int_main(cs, hval);
ival = readisac(cs->hw.teles0.membase, ISAC_ISTA);
if ((hval | ival) == 0) {
spin_unlock_irqrestore(&cs->lock, flags);
return IRQ_NONE;
}
if (ival)
isac_interrupt(cs, ival);
/* Clear interrupt register for Zoran PCI controller */
writel(0x70000000, cs->hw.teles0.membase + 0x3C);
writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0xFF);
writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0xFF);
writeisac(cs->hw.teles0.membase, ISAC_MASK, 0xFF);
writeisac(cs->hw.teles0.membase, ISAC_MASK, 0x0);
writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0x0);
writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0x0);
spin_unlock_irqrestore(&cs->lock, flags);
return IRQ_HANDLED;
}
static void
teles0_interrupt(int intno, void *dev_id, struct pt_regs *regs)
{
struct IsdnCardState *cs = dev_id;
u_char val, stat = 0;
int count = 0;
if (!cs) {
printk(KERN_WARNING "Teles0: Spurious interrupt!\n");
return;
}
val = readhscx(cs->hw.teles0.membase, 1, HSCX_ISTA);
Start_HSCX:
if (val) {
hscx_int_main(cs, val);
stat |= 1;
}
val = readisac(cs->hw.teles0.membase, ISAC_ISTA);
Start_ISAC:
if (val) {
isac_interrupt(cs, val);
stat |= 2;
}
count++;
val = readhscx(cs->hw.teles0.membase, 1, HSCX_ISTA);
if (val && count < 20) {
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "HSCX IntStat after IntRoutine");
goto Start_HSCX;
}
val = readisac(cs->hw.teles0.membase, ISAC_ISTA);
if (val && count < 20) {
if (cs->debug & L1_DEB_ISAC)
debugl1(cs, "ISAC IntStat after IntRoutine");
goto Start_ISAC;
}
if (stat & 1) {
writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0xFF);
writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0xFF);
writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0x0);
writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0x0);
}
if (stat & 2) {
writeisac(cs->hw.teles0.membase, ISAC_MASK, 0xFF);
writeisac(cs->hw.teles0.membase, ISAC_MASK, 0x0);
}
}
static irqreturn_t
teles0_interrupt(int intno, void *dev_id, struct pt_regs *regs)
{
struct IsdnCardState *cs = dev_id;
u_char val;
u_long flags;
int count = 0;
spin_lock_irqsave(&cs->lock, flags);
val = readhscx(cs->hw.teles0.membase, 1, HSCX_ISTA);
Start_HSCX:
if (val)
hscx_int_main(cs, val);
val = readisac(cs->hw.teles0.membase, ISAC_ISTA);
Start_ISAC:
if (val)
isac_interrupt(cs, val);
count++;
val = readhscx(cs->hw.teles0.membase, 1, HSCX_ISTA);
if (val && count < 5) {
if (cs->debug & L1_DEB_HSCX)
debugl1(cs, "HSCX IntStat after IntRoutine");
goto Start_HSCX;
}
val = readisac(cs->hw.teles0.membase, ISAC_ISTA);
if (val && count < 5) {
if (cs->debug & L1_DEB_ISAC)
debugl1(cs, "ISAC IntStat after IntRoutine");
goto Start_ISAC;
}
writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0xFF);
writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0xFF);
writeisac(cs->hw.teles0.membase, ISAC_MASK, 0xFF);
writeisac(cs->hw.teles0.membase, ISAC_MASK, 0x0);
writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0x0);
writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0x0);
spin_unlock_irqrestore(&cs->lock, flags);
return IRQ_HANDLED;
}
static void
WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
{
writehscx(cs->hw.teles0.membase, hscx, offset, value);
}
