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kernel/linux-rt-4.4.41/arch/mips/include/asm/dec/ioasic.h 862 Bytes
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  /*
   *	include/asm-mips/dec/ioasic.h
   *
   *	DEC I/O ASIC access operations.
   *
   *	Copyright (C) 2000, 2002, 2003  Maciej W. Rozycki
   *
   *	This program is free software; you can redistribute it and/or
   *	modify it under the terms of the GNU General Public License
   *	as published by the Free Software Foundation; either version
   *	2 of the License, or (at your option) any later version.
   */
  
  #ifndef __ASM_DEC_IOASIC_H
  #define __ASM_DEC_IOASIC_H
  
  #include <linux/spinlock.h>
  #include <linux/types.h>
  
  extern spinlock_t ioasic_ssr_lock;
  
  extern volatile u32 *ioasic_base;
  
  static inline void ioasic_write(unsigned int reg, u32 v)
  {
  	ioasic_base[reg / 4] = v;
  }
  
  static inline u32 ioasic_read(unsigned int reg)
  {
  	return ioasic_base[reg / 4];
  }
  
  extern void init_ioasic_irqs(int base);
  
  extern int dec_ioasic_clocksource_init(void);
  
  #endif /* __ASM_DEC_IOASIC_H */