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C/C++ Source or Header  |  2006-08-11  |  1.1 KB  |  37 lines
  1. /*
  2.  *  linux/include/asm-arm/hardware/icst525.h
  3.  *
  4.  *  Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
  5.  *
  6.  * This program is free software; you can redistribute it and/or modify
  7.  * it under the terms of the GNU General Public License version 2 as
  8.  * published by the Free Software Foundation.
  9.  *
  10.  *  Support functions for calculating clocks/divisors for the ICST525
  11.  *  clock generators.  See http://www.icst.com/ for more information
  12.  *  on these devices.
  13.  */
  14. #ifndef ASMARM_HARDWARE_ICST525_H
  15. #define ASMARM_HARDWARE_ICST525_H
  16.  
  17. struct icst525_params {
  18.     unsigned long    ref;
  19.     unsigned long    vco_max;    /* inclusive */
  20.     unsigned short    vd_min;        /* inclusive */
  21.     unsigned short    vd_max;        /* inclusive */
  22.     unsigned char    rd_min;        /* inclusive */
  23.     unsigned char    rd_max;        /* inclusive */
  24. };
  25.  
  26. struct icst525_vco {
  27.     unsigned short    v;
  28.     unsigned char    r;
  29.     unsigned char    s;
  30. };
  31.  
  32. unsigned long icst525_khz(const struct icst525_params *p, struct icst525_vco vco);
  33. struct icst525_vco icst525_khz_to_vco(const struct icst525_params *p, unsigned long freq);
  34. struct icst525_vco icst525_ps_to_vco(const struct icst525_params *p, unsigned long period);
  35.  
  36. #endif
  37.