mirror of https://gitee.com/openkylin/linux.git
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/*
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* include/asm-xtensa/irq.h
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2001 - 2005 Tensilica Inc.
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*/
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#ifndef _XTENSA_IRQ_H
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#define _XTENSA_IRQ_H
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#include <linux/init.h>
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#include <platform/hardware.h>
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#include <variant/core.h>
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#ifdef CONFIG_VARIANT_IRQ_SWITCH
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#include <variant/irq.h>
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#else
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static inline void variant_irq_enable(unsigned int irq) { }
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static inline void variant_irq_disable(unsigned int irq) { }
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#endif
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#ifndef VARIANT_NR_IRQS
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# define VARIANT_NR_IRQS 0
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#endif
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#ifndef PLATFORM_NR_IRQS
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# define PLATFORM_NR_IRQS 0
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#endif
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#define XTENSA_NR_IRQS XCHAL_NUM_INTERRUPTS
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#define NR_IRQS (XTENSA_NR_IRQS + VARIANT_NR_IRQS + PLATFORM_NR_IRQS + 1)
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#define XTENSA_PIC_LINUX_IRQ(hwirq) ((hwirq) + 1)
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#if VARIANT_NR_IRQS == 0
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static inline void variant_init_irq(void) { }
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#else
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void variant_init_irq(void) __init;
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#endif
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static __inline__ int irq_canonicalize(int irq)
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{
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return (irq);
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}
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struct irqaction;
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struct irq_domain;
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void migrate_irqs(void);
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int xtensa_irq_domain_xlate(const u32 *intspec, unsigned int intsize,
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unsigned long int_irq, unsigned long ext_irq,
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unsigned long *out_hwirq, unsigned int *out_type);
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int xtensa_irq_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw);
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unsigned xtensa_map_ext_irq(unsigned ext_irq);
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unsigned xtensa_get_ext_irq_no(unsigned irq);
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#endif /* _XTENSA_IRQ_H */
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