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 <platform/hardware.h>
  16 #include <variant/core.h>
  17
  18 #ifdef CONFIG_VARIANT_IRQ_SWITCH
  19 #include <variant/irq.h>
  20 #else
  21 static inline void variant_irq_enable(unsigned int irq) { }
  22 static inline void variant_irq_disable(unsigned int irq) { }
  23 #endif
  24
  25 #ifndef VARIANT_NR_IRQS
  26 # define VARIANT_NR_IRQS 0
  27 #endif
  28 #ifndef PLATFORM_NR_IRQS
  29 # define PLATFORM_NR_IRQS 0
  30 #endif
  31 #define XTENSA_NR_IRQS XCHAL_NUM_INTERRUPTS
  32 #define NR_IRQS (XTENSA_NR_IRQS + VARIANT_NR_IRQS + PLATFORM_NR_IRQS)
  33
  34 #if VARIANT_NR_IRQS == 0
  35 static inline void variant_init_irq(void) { }
  36 #else
  37 void variant_init_irq(void) __init;
  38 #endif
  39
  40 static __inline__ int irq_canonicalize(int irq)
  41 {
  42         return (irq);
  43 }
  44
  45 struct irqaction;
  46
  47 #endif  /* _XTENSA_IRQ_H */