| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * 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; | |
| struct irq_data; | |
| void cpu_ack_irq(struct irq_data *d); | |
| void cpu_eoi_irq(struct irq_data *d); | |
| 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(struct irq_data *d, const struct cpumask *dest); | |
| /* soft power switch support (power.c) */ | |
| extern struct tasklet_struct power_tasklet; | |
| #endif /* _ASM_PARISC_IRQ_H */ |