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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | /* |
3 | * include/asm-parisc/irq.h | |
4 | * | |
5 | * Copyright 2005 Matthew Wilcox <matthew@wil.cx> | |
6 | */ | |
7 | ||
8 | #ifndef _ASM_PARISC_IRQ_H | |
9 | #define _ASM_PARISC_IRQ_H | |
10 | ||
c2ab64d0 | 11 | #include <linux/cpumask.h> |
1da177e4 LT |
12 | #include <asm/types.h> |
13 | ||
14 | #define NO_IRQ (-1) | |
15 | ||
16 | #ifdef CONFIG_GSC | |
17 | #define GSC_IRQ_BASE 16 | |
18 | #define GSC_IRQ_MAX 63 | |
19 | #define CPU_IRQ_BASE 64 | |
20 | #else | |
21 | #define CPU_IRQ_BASE 16 | |
22 | #endif | |
23 | ||
24 | #define TIMER_IRQ (CPU_IRQ_BASE + 0) | |
25 | #define IPI_IRQ (CPU_IRQ_BASE + 1) | |
26 | #define CPU_IRQ_MAX (CPU_IRQ_BASE + (BITS_PER_LONG - 1)) | |
27 | ||
28 | #define NR_IRQS (CPU_IRQ_MAX + 1) | |
29 | ||
30 | static __inline__ int irq_canonicalize(int irq) | |
31 | { | |
32 | return (irq == 2) ? 9 : irq; | |
33 | } | |
34 | ||
5cfe87d3 | 35 | struct irq_chip; |
4c4231ea | 36 | struct irq_data; |
1da177e4 | 37 | |
4c4231ea TG |
38 | void cpu_ack_irq(struct irq_data *d); |
39 | void cpu_eoi_irq(struct irq_data *d); | |
1da177e4 LT |
40 | |
41 | extern int txn_alloc_irq(unsigned int nbits); | |
42 | extern int txn_claim_irq(int); | |
43 | extern unsigned int txn_alloc_data(unsigned int); | |
44 | extern unsigned long txn_alloc_addr(unsigned int); | |
c2ab64d0 | 45 | extern unsigned long txn_affinity_addr(unsigned int irq, int cpu); |
1da177e4 | 46 | |
5cfe87d3 | 47 | extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *); |
4c4231ea | 48 | extern int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest); |
1da177e4 LT |
49 | |
50 | /* soft power switch support (power.c) */ | |
51 | extern struct tasklet_struct power_tasklet; | |
52 | ||
53 | #endif /* _ASM_PARISC_IRQ_H */ |