firmware/export/imx233-codec.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2011 by Amaury Pouly
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #ifndef __IMX233_CODEC_H_
  22 #define __IMX233_CODEC_H_
  23
  24 /* i.MX233 can boost up to 6dB in DAC mode and 12dB in line mode. Since mic/line
  25  * already have adjustable gain, keep lowest of both. With chained DAC volume
  26  * and headphone volume, the i.MX233 can achieve < -100dB but stay at -100dB. */
  27 #define VOLUME_MIN -1000
  28 #define VOLUME_MAX  60
  29
  30 #define AUDIOHW_CAPS    (DEPTH_3D_CAP | BASS_CAP | TREBLE_CAP)
  31
  32 /* Work with half dB since the i.MX233 doesn't have a better resolution */
  33 int tenthdb2master(int tdb);
  34 void audiohw_set_headphone_vol(int vol_l, int vol_r);
  35
  36 #endif /* __IMX233_CODEC_H_ */