1 /* 2 * Copyright (C) 2006 Atmark Techno, Inc. 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 9 #ifndef _ASM_MICROBLAZE_IRQ_H 10 #define _ASM_MICROBLAZE_IRQ_H 11 12 #define NR_IRQS 32 13 14 #include <linux/interrupt.h> 15 16 extern unsigned int nr_irq; 17 18 #define NO_IRQ (-1) 19 20 static inline int irq_canonicalize(int irq) 21 { 22 return irq; 23 } 24 25 struct pt_regs; 26 extern void do_IRQ(struct pt_regs *regs); 27 28 /* irq_of_parse_and_map - Parse and Map an interrupt into linux virq space 29 * @device: Device node of the device whose interrupt is to be mapped 30 * @index: Index of the interrupt to map 31 * 32 * This function is a wrapper that chains of_irq_map_one() and 33 * irq_create_of_mapping() to make things easier to callers 34 */ 35 struct device_node; 36 extern unsigned int irq_of_parse_and_map(struct device_node *dev, int index); 37 38 /** FIXME - not implement 39 * irq_dispose_mapping - Unmap an interrupt 40 * @virq: linux virq number of the interrupt to unmap 41 */ 42 static inline void irq_dispose_mapping(unsigned int virq) 43 { 44 return; 45 } 46 47 #endif /* _ASM_MICROBLAZE_IRQ_H */ 48