linux/include/asm-arm/hardware/icst307.h

39 lines
1.2 KiB
C

/*
* linux/include/asm-arm/hardware/icst307.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 ICS307
* clock generators. See http://www.icst.com/ for more information
* on these devices.
*
* This file is similar to the icst525.h file
*/
#ifndef ASMARM_HARDWARE_ICST307_H
#define ASMARM_HARDWARE_ICST307_H
struct icst307_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 icst307_vco {
unsigned short v;
unsigned char r;
unsigned char s;
};
unsigned long icst307_khz(const struct icst307_params *p, struct icst307_vco vco);
struct icst307_vco icst307_khz_to_vco(const struct icst307_params *p, unsigned long freq);
struct icst307_vco icst307_ps_to_vco(const struct icst307_params *p, unsigned long period);
#endif