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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 */
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