41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/*
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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, 01, 02 by Ralf Baechle
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* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
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* Copyright (C) 2001 Kanoj Sarcar
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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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#include <linux/linkage.h>
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#define NR_IRQS 128 /* Largest number of ints of all machines. */
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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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extern void disable_irq(unsigned int);
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extern void disable_irq_nosync(unsigned int);
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extern void enable_irq(unsigned int);
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struct pt_regs;
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extern asmlinkage unsigned int do_IRQ(int irq, struct pt_regs *regs);
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/* Machine specific interrupt initialization */
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extern void (*irq_setup)(void);
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extern void init_generic_irq(void);
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#endif /* _ASM_IRQ_H */
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