projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #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 | ||
| 17 | static __inline__ int | |
| 18 | irq_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 | ||
| 28 | extern void disable_irq (unsigned int); | |
| 29 | extern void disable_irq_nosync (unsigned int); | |
| 30 | extern void enable_irq (unsigned int); | |
| 31 | extern void set_irq_affinity_info (unsigned int irq, int dest, int redir); | |
| 32 | ||
| 1da177e4 LT |
33 | struct irqaction; |
| 34 | struct pt_regs; | |
| 35 | int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *); | |
| 36 | ||
| 37 | #endif /* _ASM_IA64_IRQ_H */ |