LXR linux/arch/arm/include/asm/hardware/icst307.h

   1/*
   2 *  arch/arm/include/asm/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
  19struct 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
  28struct icst307_vco {
  29        unsigned short  v;
  30        unsigned char   r;
  31        unsigned char   s;
  32};
  33
  34unsigned long icst307_khz(const struct icst307_params *p, struct icst307_vco vco);
  35struct icst307_vco icst307_khz_to_vco(const struct icst307_params *p, unsigned long freq);
  36struct icst307_vco icst307_ps_to_vco(const struct icst307_params *p, unsigned long period);
  37
  38#endif
  39