#ifndef _M68K_IRQ_H_
  #define _M68K_IRQ_H_
  
  /*
   * This should be the same as the max(NUM_X_SOURCES) for all the
   * different m68k hosts compiled into the kernel.
   * Currently the Atari has 72 and the Amiga 24, but if both are
   * supported in the kernel it is better to make room for 72.
   */
  #if defined(CONFIG_COLDFIRE)
  #define NR_IRQS 256
  #elif defined(CONFIG_VME) || defined(CONFIG_SUN3) || defined(CONFIG_SUN3X)
  #define NR_IRQS 200
  #elif defined(CONFIG_ATARI) || defined(CONFIG_MAC)
  #define NR_IRQS 72
  #elif defined(CONFIG_Q40)
  #define NR_IRQS	43
  #elif defined(CONFIG_AMIGA) || !defined(CONFIG_MMU)
  #define NR_IRQS	32
  #elif defined(CONFIG_APOLLO)
  #define NR_IRQS	24
  #elif defined(CONFIG_HP300)
  #define NR_IRQS	8

  #else

  #define NR_IRQS	0

  #endif

  #if defined(CONFIG_M68020) || defined(CONFIG_M68030) || \
      defined(CONFIG_M68040) || defined(CONFIG_M68060)

  /*

   * Interrupt source definitions
   * General interrupt sources are the level 1-7.
   * Adding an interrupt service routine for one of these sources
   * results in the addition of that routine to a chain of routines.
   * Each one is called in succession.  Each individual interrupt
   * service routine should determine if the device associated with
   * that routine requires service.
   */
  
  #define IRQ_SPURIOUS	0
  
  #define IRQ_AUTO_1	1	/* level 1 interrupt */
  #define IRQ_AUTO_2	2	/* level 2 interrupt */
  #define IRQ_AUTO_3	3	/* level 3 interrupt */
  #define IRQ_AUTO_4	4	/* level 4 interrupt */
  #define IRQ_AUTO_5	5	/* level 5 interrupt */
  #define IRQ_AUTO_6	6	/* level 6 interrupt */
  #define IRQ_AUTO_7	7	/* level 7 interrupt (non-maskable) */
  
  #define IRQ_USER	8

  /*
   * various flags for request_irq() - the Amiga now uses the standard
   * mechanism like all other architectures - IRQF_DISABLED and
   * IRQF_SHARED are your friends.
   */
  #ifndef MACH_AMIGA_ONLY
  #define IRQ_FLG_LOCK	(0x0001)	/* handler is not replaceable	*/
  #define IRQ_FLG_REPLACE	(0x0002)	/* replace existing handler	*/
  #define IRQ_FLG_FAST	(0x0004)
  #define IRQ_FLG_SLOW	(0x0008)
  #define IRQ_FLG_STD	(0x8000)	/* internally used		*/
  #endif

  struct irq_data;
  struct irq_chip;
  struct irq_desc;
  extern unsigned int m68k_irq_startup(struct irq_data *data);
  extern unsigned int m68k_irq_startup_irq(unsigned int irq);
  extern void m68k_irq_shutdown(struct irq_data *data);
  extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int,
  						      struct pt_regs *));

  extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt);

  extern void m68k_setup_irq_controller(struct irq_chip *,
  				      void (*handle)(unsigned int irq,
  						     struct irq_desc *desc),
  				      unsigned int irq, unsigned int cnt);

  extern unsigned int irq_canonicalize(unsigned int irq);

  #else
  #define irq_canonicalize(irq)  (irq)

  #endif /* !(CONFIG_M68020 || CONFIG_M68030 || CONFIG_M68040 || CONFIG_M68060) */

  asmlinkage void do_IRQ(int irq, struct pt_regs *regs);

  extern atomic_t irq_err_count;

  #endif /* _M68K_IRQ_H_ */