ioasic.h 862 B

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  1. /*
  2. * include/asm-mips/dec/ioasic.h
  3. *
  4. * DEC I/O ASIC access operations.
  5. *
  6. * Copyright (C) 2000, 2002, 2003 Maciej W. Rozycki
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License
  10. * as published by the Free Software Foundation; either version
  11. * 2 of the License, or (at your option) any later version.
  12. */
  13. #ifndef __ASM_DEC_IOASIC_H
  14. #define __ASM_DEC_IOASIC_H
  15. #include <linux/spinlock.h>
  16. #include <linux/types.h>
  17. extern spinlock_t ioasic_ssr_lock;
  18. extern volatile u32 *ioasic_base;
  19. static inline void ioasic_write(unsigned int reg, u32 v)
  20. {
  21. ioasic_base[reg / 4] = v;
  22. }
  23. static inline u32 ioasic_read(unsigned int reg)
  24. {
  25. return ioasic_base[reg / 4];
  26. }
  27. extern void init_ioasic_irqs(int base);
  28. extern int dec_ioasic_clocksource_init(void);
  29. #endif /* __ASM_DEC_IOASIC_H */