1/* 2 * include/asm-xtensa/irq.h 3 * 4 * This file is subject to the terms and conditions of the GNU General Public 5 * License. See the file "COPYING" in the main directory of this archive 6 * for more details. 7 * 8 * Copyright (C) 2001 - 2005 Tensilica Inc. 9 */ 10 11#ifndef _XTENSA_IRQ_H 12#define _XTENSA_IRQ_H 13 14#include <linux/init.h> 15#include <platform/hardware.h> 16#include <variant/core.h> 17 18#ifdef CONFIG_VARIANT_IRQ_SWITCH 19#include <variant/irq.h> 20#else 21static inline void variant_irq_enable(unsigned int irq) { } 22static inline void variant_irq_disable(unsigned int irq) { } 23#endif 24 25#ifndef VARIANT_NR_IRQS 26# define VARIANT_NR_IRQS 0 27#endif 28#ifndef PLATFORM_NR_IRQS 29# define PLATFORM_NR_IRQS 0 30#endif 31#define XTENSA_NR_IRQS XCHAL_NUM_INTERRUPTS 32#define NR_IRQS (XTENSA_NR_IRQS + VARIANT_NR_IRQS + PLATFORM_NR_IRQS + 1) 33#define XTENSA_PIC_LINUX_IRQ(hwirq) ((hwirq) + 1) 34 35#if VARIANT_NR_IRQS == 0 36static inline void variant_init_irq(void) { } 37#else 38void variant_init_irq(void) __init; 39#endif 40 41static __inline__ int irq_canonicalize(int irq) 42{ 43 return (irq); 44} 45 46struct irqaction; 47struct irq_domain; 48 49void migrate_irqs(void); 50int xtensa_irq_domain_xlate(const u32 *intspec, unsigned int intsize, 51 unsigned long int_irq, unsigned long ext_irq, 52 unsigned long *out_hwirq, unsigned int *out_type); 53int xtensa_irq_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw); 54unsigned xtensa_map_ext_irq(unsigned ext_irq); 55unsigned xtensa_get_ext_irq_no(unsigned irq); 56 57#endif /* _XTENSA_IRQ_H */ 58