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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; /* * 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 */ |