2 * Copyright (C) 2006 Atmark Techno, Inc.
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
9 #ifndef _ASM_MICROBLAZE_IRQ_H
10 #define _ASM_MICROBLAZE_IRQ_H
13 #include <asm-generic/irq.h>
15 #include <linux/interrupt.h>
17 /* This type is the placeholder for a hardware interrupt number. It has to
18 * be big enough to enclose whatever representation is used by a given
21 typedef unsigned long irq_hw_number_t
;
23 extern unsigned int nr_irq
;
28 extern void do_IRQ(struct pt_regs
*regs
);
30 static inline void irq_dispose_mapping(unsigned int virq
)
38 * irq_create_mapping - Map a hardware interrupt into linux virq space
39 * @host: host owning this hardware interrupt or NULL for default host
40 * @hwirq: hardware irq number in that host space
42 * Only one mapping per hardware interrupt is permitted. Returns a linux
44 * If the sense/trigger is to be specified, set_irq_type() should be called
45 * on the number returned from that call.
47 extern unsigned int irq_create_mapping(struct irq_host
*host
,
48 irq_hw_number_t hwirq
);
50 #endif /* _ASM_MICROBLAZE_IRQ_H */