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#include <linux/interrupt.h>
#include <asm/irq.h>
#include <asm/traps.h>
#include <asm/apollohw.h>
void dn_process_int(unsigned int irq, struct pt_regs *fp)
{
m68k_handle_int(irq, fp);
*(volatile unsigned char *)(pica)=0x20;
*(volatile unsigned char *)(picb)=0x20;
}
int apollo_irq_startup(unsigned int irq)
{
if (irq < 8)
*(volatile unsigned char *)(pica+1) &= ~(1 << irq);
else
*(volatile unsigned char *)(picb+1) &= ~(1 << (irq - 8));
return 0;
}
void apollo_irq_shutdown(unsigned int irq)
{
if (irq < 8)
*(volatile unsigned char *)(pica+1) |= (1 << irq);
else
*(volatile unsigned char *)(picb+1) |= (1 << (irq - 8));
}
static struct irq_controller apollo_irq_controller = {
.name = "apollo",
.lock = SPIN_LOCK_UNLOCKED,
.startup = apollo_irq_startup,
.shutdown = apollo_irq_shutdown,
};
void dn_init_IRQ(void)
{
m68k_setup_user_interrupt(VEC_USER + 96, 16, dn_process_int);
m68k_setup_irq_controller(&apollo_irq_controller, IRQ_APOLLO, 16);
}
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