Linux Kernel  3.7.1
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irq.h
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1 /*
2  * include/asm-parisc/irq.h
3  *
4  * Copyright 2005 Matthew Wilcox <[email protected]>
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 */