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icst525.h

/*
 *  arch/arm/include/asm/hardware/icst525.h
 *
 *  Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 *  Support functions for calculating clocks/divisors for the ICST525
 *  clock generators.  See http://www.icst.com/ for more information
 *  on these devices.
 */
#ifndef ASMARM_HARDWARE_ICST525_H
#define ASMARM_HARDWARE_ICST525_H

struct icst525_params {
      unsigned long     ref;
      unsigned long     vco_max;    /* inclusive */
      unsigned short    vd_min;           /* inclusive */
      unsigned short    vd_max;           /* inclusive */
      unsigned char     rd_min;           /* inclusive */
      unsigned char     rd_max;           /* inclusive */
};

struct icst525_vco {
      unsigned short    v;
      unsigned char     r;
      unsigned char     s;
};

unsigned long icst525_khz(const struct icst525_params *p, struct icst525_vco vco);
struct icst525_vco icst525_khz_to_vco(const struct icst525_params *p, unsigned long freq);
struct icst525_vco icst525_ps_to_vco(const struct icst525_params *p, unsigned long period);

#endif

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