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 29 static __inline__ int irq_canonicalize(int irq) 30 { 31 return (irq == 2) ? 9 : irq; 32 } 33 34 struct irq_chip; 35 struct irq_data; 36 37 void cpu_ack_irq(struct irq_data *d); 38 void cpu_eoi_irq(struct irq_data *d); 39 40 extern int txn_alloc_irq(unsigned int nbits); 41 extern int txn_claim_irq(int); 42 extern unsigned int txn_alloc_data(unsigned int); 43 extern unsigned long txn_alloc_addr(unsigned int); 44 extern unsigned long txn_affinity_addr(unsigned int irq, int cpu); 45 46 extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *); 47 extern int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest); 48 49 /* soft power switch support (power.c) */ 50 extern struct tasklet_struct power_tasklet; 51 52 #endif /* _ASM_PARISC_IRQ_H */ 53