text: /*
   * Copyright (c) 2016, Intel Corporation
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *   * Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   *   * Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in the
   *     documentation and/or other materials provided with the distribution.
   *   * Neither the name of the Intel Corporation nor the
   *     names of its contributors may be used to endorse or promote products
   *     derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
   */
  
  #ifndef __INCLUDE_CLOCK__
  #define __INCLUDE_CLOCK__
  
  #include <stdint.h>
  
  #define CLOCK_NOTIFY_PRE	0
  #define CLOCK_NOTIFY_POST	1
  
  #define CLOCK_SSP_XTAL_OSCILLATOR		0x0
  #define CLOCK_SSP_AUDIO_CARDINAL		0x1
  #define CLOCK_SSP_PLL_FIXED			0x2
  
  struct clock_notify_data {
  	uint32_t old_freq;
  	uint32_t old_ticks_per_msec;
  	uint32_t freq;
  	uint32_t ticks_per_msec;
  };
  
  struct freq_table {
  	uint32_t freq;
  	uint32_t ticks_per_msec;
  	uint32_t enc;
  };
  
  uint32_t clock_get_freq(int clock);
  
  void clock_set_freq(int clock, uint32_t hz);
  
  uint64_t clock_ms_to_ticks(int clock, uint64_t ms);
  
  void clock_init(void);
  
  #endif
  