LXR linux/arch/parisc/include/asm/irq.h

   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