/*
   *  linux/arch/arm/plat-versatile/clock.c
   *
   *  Copyright (C) 2004 ARM Limited.
   *  Written by Deep Blue Solutions Limited.
   *
   * 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.
   */
  #include <linux/module.h>
  #include <linux/kernel.h>
  #include <linux/errno.h>
  #include <linux/clk.h>
  #include <linux/mutex.h>
  
  #include <asm/hardware/icst.h>
  
  #include <mach/clkdev.h>
  
  int clk_enable(struct clk *clk)
  {
  	return 0;
  }
  EXPORT_SYMBOL(clk_enable);
  
  void clk_disable(struct clk *clk)
  {
  }
  EXPORT_SYMBOL(clk_disable);
  
  unsigned long clk_get_rate(struct clk *clk)
  {
  	return clk->rate;
  }
  EXPORT_SYMBOL(clk_get_rate);
  
  long clk_round_rate(struct clk *clk, unsigned long rate)
  {
  	long ret = -EIO;
  	if (clk->ops && clk->ops->round)
  		ret = clk->ops->round(clk, rate);
  	return ret;
  }
  EXPORT_SYMBOL(clk_round_rate);
  
  int clk_set_rate(struct clk *clk, unsigned long rate)
  {
  	int ret = -EIO;
  	if (clk->ops && clk->ops->set)
  		ret = clk->ops->set(clk, rate);
  	return ret;
  }
  EXPORT_SYMBOL(clk_set_rate);
  
  long icst_clk_round(struct clk *clk, unsigned long rate)
  {
  	struct icst_vco vco;
  	vco = icst_hz_to_vco(clk->params, rate);
  	return icst_hz(clk->params, vco);
  }
  EXPORT_SYMBOL(icst_clk_round);
  
  int icst_clk_set(struct clk *clk, unsigned long rate)
  {
  	struct icst_vco vco;
  
  	vco = icst_hz_to_vco(clk->params, rate);
  	clk->rate = icst_hz(clk->params, vco);
  	clk->ops->setvco(clk, vco);
  
  	return 0;
  }
  EXPORT_SYMBOL(icst_clk_set);