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 *  arch/arm/include/asm/hardware/icst.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 ICST
 *  clock generators.  See http://www.idt.com/ for more information
 *  on these devices.

00017 struct icst_params {
      unsigned long     ref;
      unsigned long     vco_max;    /* inclusive */
      unsigned long     vco_min;    /* exclusive */
      unsigned short    vd_min;           /* inclusive */
      unsigned short    vd_max;           /* inclusive */
      unsigned char     rd_min;           /* inclusive */
      unsigned char     rd_max;           /* inclusive */
      const unsigned char *s2div;   /* chip specific s2div array */
      const unsigned char *idx2s;   /* chip specific idx2s array */

00029 struct icst_vco {
      unsigned short    v;
      unsigned char     r;
      unsigned char     s;

unsigned long icst_hz(const struct icst_params *p, struct icst_vco vco);
struct icst_vco icst_hz_to_vco(const struct icst_params *p, unsigned long freq);

 * ICST307 VCO frequency must be between 6MHz and 200MHz (3.3 or 5V).
 * This frequency is pre-output divider.
#define ICST307_VCO_MIN 6000000
#define ICST307_VCO_MAX 200000000

extern const unsigned char icst307_s2div[];
extern const unsigned char icst307_idx2s[];

 * ICST525 VCO frequency must be between 10MHz and 200MHz (3V) or 320MHz (5V).
 * This frequency is pre-output divider.
#define ICST525_VCO_MIN       10000000
#define ICST525_VCO_MAX_3V    200000000
#define ICST525_VCO_MAX_5V    320000000

extern const unsigned char icst525_s2div[];
extern const unsigned char icst525_idx2s[];


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