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C/C++ Source or Header  |  2006-08-11  |  1.2 KB  |  39 lines
  1. /*
  2.  *  linux/include/asm-arm/hardware/icst307.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 ICS307
  11.  *  clock generators.  See http://www.icst.com/ for more information
  12.  *  on these devices.
  13.  *
  14.  *  This file is similar to the icst525.h file
  15.  */
  16. #ifndef ASMARM_HARDWARE_ICST307_H
  17. #define ASMARM_HARDWARE_ICST307_H
  18.  
  19. struct icst307_params {
  20.     unsigned long    ref;
  21.     unsigned long    vco_max;    /* inclusive */
  22.     unsigned short    vd_min;        /* inclusive */
  23.     unsigned short    vd_max;        /* inclusive */
  24.     unsigned char    rd_min;        /* inclusive */
  25.     unsigned char    rd_max;        /* inclusive */
  26. };
  27.  
  28. struct icst307_vco {
  29.     unsigned short    v;
  30.     unsigned char    r;
  31.     unsigned char    s;
  32. };
  33.  
  34. unsigned long icst307_khz(const struct icst307_params *p, struct icst307_vco vco);
  35. struct icst307_vco icst307_khz_to_vco(const struct icst307_params *p, unsigned long freq);
  36. struct icst307_vco icst307_ps_to_vco(const struct icst307_params *p, unsigned long period);
  37.  
  38. #endif
  39.