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/* SPDX-License-Identifier: GPL-2.0 */
/*
* include/asm-parisc/irq.h
*
* Copyright 2005 Matthew Wilcox <[email protected]>
*/
#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);
#endif /* _ASM_PARISC_IRQ_H */