arch/microblaze/include/asm/irq.h

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