void via_irq_disable(int irq) {
int irq_src = IRQ_SRC(irq);
int irq_idx = IRQ_IDX(irq);
#ifdef DEBUG_IRQUSE
printk(KERN_DEBUG "via_irq_disable(%d)\n", irq);
#endif
if (irq_src == 1) {
via1[vIER] = IER_CLR_BIT(irq_idx);
} else if (irq_src == 2) {
via2[gIER] = IER_CLR_BIT(irq_idx);
} else if (irq_src == 7) {
switch (macintosh_config->via_type) {
case MAC_VIA_II:
case MAC_VIA_QUADRA:
nubus_disabled |= 1 << irq_idx;
if (nubus_disabled)
via2[gIER] = IER_CLR_BIT(1);
break;
case MAC_VIA_IICI:
via2[rSIER] = IER_CLR_BIT(irq_idx);
break;
}
}
}
void via_irq_disable(int irq) {
int irq_src = IRQ_SRC(irq);
int irq_idx = IRQ_IDX(irq);
int irq_bit = 1 << irq_idx;
#ifdef DEBUG_IRQUSE
printk(KERN_DEBUG "via_irq_disable(%d)\n", irq);
#endif
if (irq_src == 1) {
via1[vIER] = irq_bit;
} else if (irq_src == 2) {
via2[gIER] = irq_bit;
} else if (irq_src == 7) {
if (rbv_present) {
/* disable the slot interrupt. SIER works like IER. */
via2[rSIER] = IER_CLR_BIT(irq_idx);
} else {
/* disable the nubus irq by changing dir to output */
/* except on PMU */
if ((macintosh_config->adb_type != MAC_ADB_PB1) &&
(macintosh_config->adb_type != MAC_ADB_PB2)) {
via2[vDirA] |= irq_bit;
}
}
nubus_active &= ~irq_bit;
}
}
void via_irq_disable(int irq) {
int irq_src = IRQ_SRC(irq);
int irq_idx = IRQ_IDX(irq);
int irq_bit = 1 << irq_idx;
#ifdef DEBUG_IRQUSE
printk("via_irq_disable(%d)\n", irq);
#endif
if (irq_src == 1) {
via1[vIER] = irq_bit;
} else if (irq_src == 2) {
via2[gIER] = irq_bit;
} else if (irq_src == 7) {
if (rbv_present) {
/* disable the slot interrupt. SIER works like IER. */
via2[rSIER] = IER_CLR_BIT(irq_idx);
} else {
/* disable the nubus irq by changing dir to output */
via2[vDirA] |= irq_bit;
}
nubus_active &= ~irq_bit;
}
}
