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50 lines
1.1 KiB
50 lines
1.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* include/asm-parisc/irq.h |
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* |
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* Copyright 2005 Matthew Wilcox <[email protected]> |
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*/ |
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#ifndef _ASM_PARISC_IRQ_H |
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#define _ASM_PARISC_IRQ_H |
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#include <linux/cpumask.h> |
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#include <asm/types.h> |
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#define NO_IRQ (-1) |
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#ifdef CONFIG_GSC |
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#define GSC_IRQ_BASE 16 |
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#define GSC_IRQ_MAX 63 |
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#define CPU_IRQ_BASE 64 |
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#else |
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#define CPU_IRQ_BASE 16 |
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#endif |
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#define TIMER_IRQ (CPU_IRQ_BASE + 0) |
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#define IPI_IRQ (CPU_IRQ_BASE + 1) |
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#define CPU_IRQ_MAX (CPU_IRQ_BASE + (BITS_PER_LONG - 1)) |
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#define NR_IRQS (CPU_IRQ_MAX + 1) |
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static __inline__ int irq_canonicalize(int irq) |
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{ |
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return (irq == 2) ? 9 : irq; |
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} |
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struct irq_chip; |
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struct irq_data; |
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void cpu_ack_irq(struct irq_data *d); |
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void cpu_eoi_irq(struct irq_data *d); |
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extern int txn_alloc_irq(unsigned int nbits); |
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extern int txn_claim_irq(int); |
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extern unsigned int txn_alloc_data(unsigned int); |
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extern unsigned long txn_alloc_addr(unsigned int); |
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extern unsigned long txn_affinity_addr(unsigned int irq, int cpu); |
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extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *); |
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extern int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest); |
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#endif /* _ASM_PARISC_IRQ_H */
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