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/*

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Copyright (C) 1994 by Waldorf GMBH, written by Ralf Baechle

 * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02 by Ralf Baechle

 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.

 * Copyright (C) 2001 Kanoj Sarcar

 */

#ifndef _ASM_IRQ_H

#define _ASM_IRQ_H

#include <linux/config.h>

#include <linux/linkage.h>

#define NR_IRQS 128             /* Largest number of ints of all machines.  */

#ifdef CONFIG_I8259

static inline int irq_cannonicalize(int irq)

{

        return ((irq == 2) ? 9 : irq);

}

#else

#define irq_cannonicalize(irq) (irq)    /* Sane hardware, sane code ... */

#endif

extern void disable_irq(unsigned int);

extern void disable_irq_nosync(unsigned int);

extern void enable_irq(unsigned int);

struct pt_regs;

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

/* Machine specific interrupt initialization  */

extern void (*irq_setup)(void);

extern void init_generic_irq(void);

#endif /* _ASM_IRQ_H */