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kernel/linux-rt-4.4.41/arch/xtensa/include/asm/irq.h 1.4 KB
5113f6f70   김현기   kernel add
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  /*
   * include/asm-xtensa/irq.h
   *
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   *
   * Copyright (C) 2001 - 2005 Tensilica Inc.
   */
  
  #ifndef _XTENSA_IRQ_H
  #define _XTENSA_IRQ_H
  
  #include <linux/init.h>
  #include <platform/hardware.h>
  #include <variant/core.h>
  
  #ifdef CONFIG_VARIANT_IRQ_SWITCH
  #include <variant/irq.h>
  #else
  static inline void variant_irq_enable(unsigned int irq) { }
  static inline void variant_irq_disable(unsigned int irq) { }
  #endif
  
  #ifndef VARIANT_NR_IRQS
  # define VARIANT_NR_IRQS 0
  #endif
  #ifndef PLATFORM_NR_IRQS
  # define PLATFORM_NR_IRQS 0
  #endif
  #define XTENSA_NR_IRQS XCHAL_NUM_INTERRUPTS
  #define NR_IRQS (XTENSA_NR_IRQS + VARIANT_NR_IRQS + PLATFORM_NR_IRQS)
  
  #if VARIANT_NR_IRQS == 0
  static inline void variant_init_irq(void) { }
  #else
  void variant_init_irq(void) __init;
  #endif
  
  static __inline__ int irq_canonicalize(int irq)
  {
  	return (irq);
  }
  
  struct irqaction;
  struct irq_domain;
  
  void migrate_irqs(void);
  int xtensa_irq_domain_xlate(const u32 *intspec, unsigned int intsize,
  		unsigned long int_irq, unsigned long ext_irq,
  		unsigned long *out_hwirq, unsigned int *out_type);
  int xtensa_irq_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw);
  unsigned xtensa_map_ext_irq(unsigned ext_irq);
  unsigned xtensa_get_ext_irq_no(unsigned irq);
  
  #endif	/* _XTENSA_IRQ_H */