1/*
2 * include/asm-parisc/irq.h
3 *
4 * Copyright 2005 Matthew Wilcox <matthew@wil.cx>
5 */
6
7#ifndef _ASM_PARISC_IRQ_H
8#define _ASM_PARISC_IRQ_H
9
10#include <linux/cpumask.h>
11#include <asm/types.h>
12
13#define NO_IRQ		(-1)
14
15#ifdef CONFIG_GSC
16#define GSC_IRQ_BASE	16
17#define GSC_IRQ_MAX	63
18#define CPU_IRQ_BASE	64
19#else
20#define CPU_IRQ_BASE	16
21#endif
22
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))
26
27#define NR_IRQS		(CPU_IRQ_MAX + 1)
28
29static __inline__ int irq_canonicalize(int irq)
30{
31	return (irq == 2) ? 9 : irq;
32}
33
34struct irq_chip;
35struct irq_data;
36
37void cpu_ack_irq(struct irq_data *d);
38void cpu_eoi_irq(struct irq_data *d);
39
40extern int txn_alloc_irq(unsigned int nbits);
41extern int txn_claim_irq(int);
42extern unsigned int txn_alloc_data(unsigned int);
43extern unsigned long txn_alloc_addr(unsigned int);
44extern unsigned long txn_affinity_addr(unsigned int irq, int cpu);
45
46extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *);
47extern int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest);
48
49/* soft power switch support (power.c) */
50extern struct tasklet_struct power_tasklet;
51
52#endif	/* _ASM_PARISC_IRQ_H */
53