arch/xtensa/include/asm/irq.h

   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 */