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38 lines
1.0 KiB
38 lines
1.0 KiB
20 years ago
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#ifndef _ASM_IA64_IRQ_H
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#define _ASM_IA64_IRQ_H
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/*
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* Copyright (C) 1999-2000, 2002 Hewlett-Packard Co
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* David Mosberger-Tang <davidm@hpl.hp.com>
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* Stephane Eranian <eranian@hpl.hp.com>
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*
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* 11/24/98 S.Eranian updated TIMER_IRQ and irq_canonicalize
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* 01/20/99 S.Eranian added keyboard interrupt
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* 02/29/00 D.Mosberger moved most things into hw_irq.h
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*/
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#define NR_IRQS 256
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#define NR_IRQ_VECTORS NR_IRQS
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static __inline__ int
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irq_canonicalize (int irq)
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{
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/*
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* We do the legacy thing here of pretending that irqs < 16
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* are 8259 irqs. This really shouldn't be necessary at all,
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* but we keep it here as serial.c still uses it...
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*/
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return ((irq == 2) ? 9 : irq);
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}
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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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extern void set_irq_affinity_info (unsigned int irq, int dest, int redir);
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struct irqaction;
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struct pt_regs;
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int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
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#endif /* _ASM_IA64_IRQ_H */
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