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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, 2001 by Ralf Baechle
*/
#ifndef _ASM_IRQ_H
#define _ASM_IRQ_H
#include <linux/config.h>
#define NR_IRQS 64 /* Largest number of ints of all machines. */
#define TIMER_IRQ 0
#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
struct irqaction;
extern int i8259_setup_irq(int irq, struct irqaction * new);
extern void disable_irq(unsigned int);
#ifdef CONFIG_ROTTEN_IRQ
#define disable_irq_nosync disable_irq
#else
extern void disable_irq_nosync(unsigned int);
#endif
extern void enable_irq(unsigned int);
/* Machine specific interrupt initialization */
extern void (*irq_setup)(void);
#endif /* _ASM_IRQ_H */
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