projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 */ |