firmware/export/wm8975.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2005 by Dave Chapman
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #ifndef _WM8975_H
  21 #define _WM8975_H
  22
  23 /* volume/balance/treble/bass interdependency */
  24 #define VOLUME_MIN -730
  25 #define VOLUME_MAX  60
  26
  27 extern int tenthdb2master(int db);
  28 extern int tenthdb2mixer(int db);
  29
  30 extern void audiohw_reset(void);
  31 extern void audiohw_enable_output(bool enable);
  32 extern int audiohw_set_master_vol(int vol_l, int vol_r);
  33 extern int audiohw_set_lineout_vol(int vol_l, int vol_r);
  34 extern int audiohw_set_mixer_vol(int channel1, int channel2);
  35 extern void audiohw_set_bass(int value);
  36 extern void audiohw_set_treble(int value);
  37 extern void audiohw_set_nsorder(int order);
  38 extern void audiohw_set_sample_rate(int sampling_control);
  39
  40 extern void audiohw_enable_recording(bool source_mic);
  41 extern void audiohw_disable_recording(void);
  42 extern void audiohw_set_recvol(int left, int right, int type);
  43 extern void audiohw_set_monitor(int enable);
  44
  45 /* Register addresses */
  46 #define LOUT1VOL 0x02
  47 #define ROUT1VOL 0x03
  48 #define DACCTRL  0x05
  49 #define AINTFCE  0x07
  50 #define BASSCTRL 0x0c
  51 #define TREBCTRL 0x0d
  52 #define RESET    0x0f
  53 #define PWRMGMT1 0x19
  54 #define PWRMGMT2 0x1a
  55 #define LOUTMIX1 0x22
  56 #define LOUTMIX2 0x23
  57 #define ROUTMIX1 0x24
  58 #define ROUTMIX2 0x25
  59 #define MOUTMIX1 0x26
  60 #define MOUTMIX2 0x27
  61 #define LOUT2VOL 0x28
  62 #define ROUT2VOL 0x29
  63
  64 /* Register settings for the supported samplerates: */
  65 #define WM8975_8000HZ      0x4d
  66 #define WM8975_12000HZ     0x61
  67 #define WM8975_16000HZ     0x55
  68 #define WM8975_22050HZ     0x77
  69 #define WM8975_24000HZ     0x79
  70 #define WM8975_32000HZ     0x59
  71 #define WM8975_44100HZ     0x63
  72 #define WM8975_48000HZ     0x41
  73 #define WM8975_88200HZ     0x7f
  74 #define WM8975_96000HZ     0x5d
  75
  76 #endif /* _WM8975_H */