diff options
Diffstat (limited to 'include/asm-ia64/irq.h')
-rw-r--r-- | include/asm-ia64/irq.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/asm-ia64/irq.h b/include/asm-ia64/irq.h new file mode 100644 index 00000000000..bd07d11d9f3 --- /dev/null +++ b/include/asm-ia64/irq.h @@ -0,0 +1,43 @@ +#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 */ |