2 * include/asm-parisc/irq.h
4 * Copyright 2005 Matthew Wilcox <matthew@wil.cx>
7 #ifndef _ASM_PARISC_IRQ_H
8 #define _ASM_PARISC_IRQ_H
10 #include <linux/cpumask.h>
11 #include <asm/types.h>
16 #define GSC_IRQ_BASE 16
17 #define GSC_IRQ_MAX 63
18 #define CPU_IRQ_BASE 64
20 #define CPU_IRQ_BASE 16
23 #define TIMER_IRQ (CPU_IRQ_BASE + 0)
24 #define IPI_IRQ (CPU_IRQ_BASE + 1)
25 #define CPU_IRQ_MAX (CPU_IRQ_BASE + (BITS_PER_LONG - 1))
27 #define NR_IRQS (CPU_IRQ_MAX + 1)
29 static __inline__ int irq_canonicalize(int irq)
31 return (irq == 2) ? 9 : irq;
37 * Some useful "we don't have to do anything here" handlers. Should
38 * probably be provided by the generic code.
40 void no_ack_irq(unsigned int irq);
41 void no_end_irq(unsigned int irq);
42 void cpu_ack_irq(unsigned int irq);
43 void cpu_end_irq(unsigned int irq);
45 extern int txn_alloc_irq(unsigned int nbits);
46 extern int txn_claim_irq(int);
47 extern unsigned int txn_alloc_data(unsigned int);
48 extern unsigned long txn_alloc_addr(unsigned int);
49 extern unsigned long txn_affinity_addr(unsigned int irq, int cpu);
51 extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *);
52 extern int cpu_check_affinity(unsigned int irq, const struct cpumask *dest);
54 /* soft power switch support (power.c) */
55 extern struct tasklet_struct power_tasklet;
57 #endif /* _ASM_PARISC_IRQ_H */