#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(apollo_irq_controller.lock), .startup = apollo_irq_startup, .shutdown = apollo_irq_shutdown, }; void __init 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); }