#include <rtl.h>
#include <rtl_core.h>

#include <asm/io.h>

#define LPT 0x378
#define IRQ 7

volatile int i;

unsigned int intr_handler(unsigned int irq,struct pt_regs *regs){
  outb(0x0c,LPT+2);
  outb(0x1c,LPT+2);
  rtl_printf("IRQ : parallel\n");
  rtl_hard_enable_irq(IRQ);
  return 0;
}

int init_module(void) {
  i = 0x02 | inb(LPT);
  outb(i,LPT);
  outb(0x0c,LPT+2);
  outb(0x1c,LPT+2);
  rtl_request_irq(IRQ,intr_handler);
  rtl_hard_enable_irq(IRQ);
  return 0;
}

void cleanup_module(void) {
  i = 0xfd & inb(LPT);
  outb(i,LPT);
  rtl_free_irq(IRQ);
}