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)
33
34#if VARIANT_NR_IRQS == 0
35static inline void variant_init_irq(void) { }
36#else
37void variant_init_irq(void) __init;
38#endif
39
40static __inline__ int irq_canonicalize(int irq)
41{
42	return (irq);
43}
44
45struct irqaction;
46struct irq_domain;
47
48void migrate_irqs(void);
49int xtensa_irq_domain_xlate(const u32 *intspec, unsigned int intsize,
50		unsigned long int_irq, unsigned long ext_irq,
51		unsigned long *out_hwirq, unsigned int *out_type);
52int xtensa_irq_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw);
53unsigned xtensa_map_ext_irq(unsigned ext_irq);
54unsigned xtensa_get_ext_irq_no(unsigned irq);
55
56#endif	/* _XTENSA_IRQ_H */
57