43 lines
1.0 KiB
C
Executable File
43 lines
1.0 KiB
C
Executable File
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1994 by Waldorf GMBH, written by Ralf Baechle
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* Copyright (C) 1995, 96, 97, 98, 99, 2000, 2001 by Ralf Baechle
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*/
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#ifndef _ASM_IRQ_H
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#define _ASM_IRQ_H
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#include <linux/config.h>
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#define NR_IRQS 64 /* Largest number of ints of all machines. */
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#define TIMER_IRQ 0
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#ifdef CONFIG_I8259
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static inline int irq_cannonicalize(int irq)
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{
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return ((irq == 2) ? 9 : irq);
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}
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#else
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#define irq_cannonicalize(irq) (irq) /* Sane hardware, sane code ... */
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#endif
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struct irqaction;
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extern int i8259_setup_irq(int irq, struct irqaction * new);
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extern void disable_irq(unsigned int);
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#ifndef CONFIG_NEW_IRQ
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#define disable_irq_nosync disable_irq
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#else
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extern void disable_irq_nosync(unsigned int);
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#endif
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extern void enable_irq(unsigned int);
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/* Machine specific interrupt initialization */
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extern void (*irq_setup)(void);
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#endif /* _ASM_IRQ_H */
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