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kernel/linux-rt-4.4.41/arch/parisc/include/asm/irq.h 1.19 KB
5113f6f70   김현기   kernel add
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  /*
   * include/asm-parisc/irq.h
   *
   * Copyright 2005 Matthew Wilcox <matthew@wil.cx>
   */
  
  #ifndef _ASM_PARISC_IRQ_H
  #define _ASM_PARISC_IRQ_H
  
  #include <linux/cpumask.h>
  #include <asm/types.h>
  
  #define NO_IRQ		(-1)
  
  #ifdef CONFIG_GSC
  #define GSC_IRQ_BASE	16
  #define GSC_IRQ_MAX	63
  #define CPU_IRQ_BASE	64
  #else
  #define CPU_IRQ_BASE	16
  #endif
  
  #define TIMER_IRQ	(CPU_IRQ_BASE + 0)
  #define	IPI_IRQ		(CPU_IRQ_BASE + 1)
  #define CPU_IRQ_MAX	(CPU_IRQ_BASE + (BITS_PER_LONG - 1))
  
  #define NR_IRQS		(CPU_IRQ_MAX + 1)
  
  static __inline__ int irq_canonicalize(int irq)
  {
  	return (irq == 2) ? 9 : irq;
  }
  
  struct irq_chip;
  struct irq_data;
  
  void cpu_ack_irq(struct irq_data *d);
  void cpu_eoi_irq(struct irq_data *d);
  
  extern int txn_alloc_irq(unsigned int nbits);
  extern int txn_claim_irq(int);
  extern unsigned int txn_alloc_data(unsigned int);
  extern unsigned long txn_alloc_addr(unsigned int);
  extern unsigned long txn_affinity_addr(unsigned int irq, int cpu);
  
  extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *);
  extern int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest);
  
  /* soft power switch support (power.c) */
  extern struct tasklet_struct power_tasklet;
  
  #endif	/* _ASM_PARISC_IRQ_H */