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