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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _ASM_IA64_IRQ_H
2#define _ASM_IA64_IRQ_H
3
4/*
5 * Copyright (C) 1999-2000, 2002 Hewlett-Packard Co
6 * David Mosberger-Tang <davidm@hpl.hp.com>
7 * Stephane Eranian <eranian@hpl.hp.com>
8 *
9 * 11/24/98 S.Eranian updated TIMER_IRQ and irq_canonicalize
10 * 01/20/99 S.Eranian added keyboard interrupt
11 * 02/29/00 D.Mosberger moved most things into hw_irq.h
12 */
13
14#define NR_IRQS 256
15#define NR_IRQ_VECTORS NR_IRQS
16
17static __inline__ int
18irq_canonicalize (int irq)
19{
20 /*
21 * We do the legacy thing here of pretending that irqs < 16
22 * are 8259 irqs. This really shouldn't be necessary at all,
23 * but we keep it here as serial.c still uses it...
24 */
25 return ((irq == 2) ? 9 : irq);
26}
27
28extern void disable_irq (unsigned int);
29extern void disable_irq_nosync (unsigned int);
30extern void enable_irq (unsigned int);
31extern void set_irq_affinity_info (unsigned int irq, int dest, int redir);
32
33#ifdef CONFIG_SMP
34extern void move_irq(int irq);
35#else
36#define move_irq(irq)
37#endif
38
39struct irqaction;
40struct pt_regs;
41int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
42
43#endif /* _ASM_IA64_IRQ_H */