src/add-ons/kernel/drivers/audio/ac97/ich/io.h

   1 /*
   2  * BeOS Driver for Intel ICH AC'97 Link interface
   3  *
   4  * Copyright (c) 2002, Marcus Overhagen <marcus@overhagen.de>
   5  *
   6  * All rights reserved.
   7  * Redistribution and use in source and binary forms, with or without modification,
   8  * are permitted provided that the following conditions are met:
   9  *
  10  * - Redistributions of source code must retain the above copyright notice,
  11  *   this list of conditions and the following disclaimer.
  12  * - Redistributions in binary form must reproduce the above copyright notice,
  13  *   this list of conditions and the following disclaimer in the documentation
  14  *   and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
  20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  24  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  25  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  *
  27  */
  28 #ifndef _IO_H_
  29 #define _IO_H_
  30
  31 uint8  ich_reg_read_8(int regno);
  32 uint16 ich_reg_read_16(int regno);
  33 uint32 ich_reg_read_32(int regno);
  34
  35 void ich_reg_write_8(int regno, uint8 value);
  36 void ich_reg_write_16(int regno, uint16 value);
  37 void ich_reg_write_32(int regno, uint32 value);
  38
  39 uint16 ich_codec_read(int regno);
  40
  41 void   ich_codec_write(int regno, uint16 value);
  42
  43 #endif