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 * include/asm-parisc/irq.h
 * Copyright 2005 Matthew Wilcox <matthew@wil.cx>


#include <linux/cpumask.h>
#include <asm/types.h>

#define NO_IRQ          (-1)

#define GSC_IRQ_BASE    16
#define GSC_IRQ_MAX     63
#define CPU_IRQ_BASE    64
#define CPU_IRQ_BASE    16

#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;

 * Some useful "we don't have to do anything here" handlers.  Should
 * probably be provided by the generic code.
void no_ack_irq(unsigned int irq);
void no_end_irq(unsigned int irq);
void cpu_ack_irq(unsigned int irq);
void cpu_end_irq(unsigned int irq);

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(unsigned int irq, cpumask_t *dest);

/* soft power switch support (power.c) */
extern struct tasklet_struct power_tasklet;

#endif      /* _ASM_PARISC_IRQ_H */

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