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_cannonicalize 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 16 static __inline__ int irq_cannonicalize(int irq)17irq_cannonicalize (int irq) 18 { 19 /* 20 * We do the legacy thing here of pretending that irqs < 16 21 * are 8259 irqs. This really shouldn't be necessary at all, 22 * but we keep it here as serial.c still uses it... 23 */ 24 return ((irq == 2) ? 9 : irq); 25 } 26 27 extern void disable_irq (unsigned int); 28 extern void disable_irq_nosync (unsigned int); 29 extern void enable_irq (unsigned int); 30 extern void set_irq_affinity_info (int irq, int dest, int redir); 31 32 #endif /* _ASM_IA64_IRQ_H */ 33