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 <asm/core.h>
16
17 #ifdef CONFIG_PLATFORM_NR_IRQS
18 # define PLATFORM_NR_IRQS CONFIG_PLATFORM_NR_IRQS
19 #else
20 # define PLATFORM_NR_IRQS 0
21 #endif
22 #define XTENSA_NR_IRQS XCHAL_NUM_INTERRUPTS
23 #define NR_IRQS (XTENSA_NR_IRQS + PLATFORM_NR_IRQS + 1)
24 #define XTENSA_PIC_LINUX_IRQ(hwirq) ((hwirq) + 1)
25
26 static __inline__ int irq_canonicalize(int irq)
27 {
28 return (irq);
29 }
30
31 struct irqaction;
32 struct irq_domain;
33
34 void migrate_irqs(void);
35 int xtensa_irq_domain_xlate(const u32 *intspec, unsigned int intsize,
36 unsigned long int_irq, unsigned long ext_irq,
37 unsigned long *out_hwirq, unsigned int *out_type);
38 int xtensa_irq_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw);
39 unsigned xtensa_map_ext_irq(unsigned ext_irq);
40 unsigned xtensa_get_ext_irq_no(unsigned irq);
41
42 #endif /* _XTENSA_IRQ_H */
43
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