static inline void clear_ioasic_irq(unsigned int irq)
{
u32 sir;
sir = ~(1 << (irq - ioasic_irq_base));
ioasic_write(IO_REG_SIR, sir);
}
static inline void mask_ioasic_irq(unsigned int irq)
{
u32 simr;
simr = ioasic_read(IO_REG_SIMR);
simr &= ~(1 << (irq - ioasic_irq_base));
ioasic_write(IO_REG_SIMR, simr);
}
static inline void unmask_ioasic_irq(unsigned int irq)
{
u32 simr;
simr = ioasic_read(SIMR);
simr |= (1 << (irq - ioasic_irq_base));
ioasic_write(SIMR, simr);
}
static void mask_ioasic_irq(struct irq_data *d)
{
u32 simr;
simr = ioasic_read(IO_REG_SIMR);
simr &= ~(1 << (d->irq - ioasic_irq_base));
ioasic_write(IO_REG_SIMR, simr);
}
void __init init_ioasic_irqs(int base)
{
int i;
/* Mask interrupts. */
ioasic_write(IO_REG_SIMR, 0);
fast_iob();
for (i = base; i < base + IO_INR_DMA; i++)
set_irq_chip_and_handler(i, &ioasic_irq_type,
handle_level_irq);
for (; i < base + IO_IRQ_LINES; i++)
set_irq_chip(i, &ioasic_dma_irq_type);
ioasic_irq_base = base;
}
void __init init_ioasic_irqs(int base)
{
int i;
/* Mask interrupts. */
ioasic_write(SIMR, 0);
for (i = base; i < base + IO_INR_DMA; i++) {
irq_desc[i].status = IRQ_DISABLED;
irq_desc[i].action = 0;
irq_desc[i].depth = 1;
irq_desc[i].handler = &ioasic_irq_type;
}
for (; i < base + IO_IRQ_LINES; i++) {
irq_desc[i].status = IRQ_DISABLED;
irq_desc[i].action = 0;
irq_desc[i].depth = 1;
irq_desc[i].handler = &ioasic_dma_irq_type;
}
ioasic_irq_base = base;
}
static void dec_ioasic_hpt_init(unsigned int count)
{
ioasic_write(IO_REG_FCTR, ioasic_read(IO_REG_FCTR) - count);
}
