/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2005 by Dave Chapman
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

#ifndef _WM8975_H
#define _WM8975_H

/* volume/balance/treble/bass interdependency */
#define VOLUME_MIN -730
#define VOLUME_MAX  60

extern int tenthdb2master(int db);
extern int tenthdb2mixer(int db);

extern void audiohw_reset(void);
extern int audiohw_init(void);
extern void audiohw_enable_output(bool enable);
extern int audiohw_set_master_vol(int vol_l, int vol_r);
extern int audiohw_set_lineout_vol(int vol_l, int vol_r);
extern int audiohw_set_mixer_vol(int channel1, int channel2);
extern void audiohw_set_bass(int value);
extern void audiohw_set_treble(int value);
extern int audiohw_mute(int mute);
extern void audiohw_close(void);
extern void audiohw_set_nsorder(int order);
extern void audiohw_set_sample_rate(int sampling_control);

extern void audiohw_enable_recording(bool source_mic);
extern void audiohw_disable_recording(void);
extern void audiohw_set_recvol(int left, int right, int type);
extern void audiohw_set_monitor(int enable);

/* Register addresses */
#define LOUT1VOL 0x02
#define ROUT1VOL 0x03
#define DACCTRL  0x05
#define AINTFCE  0x07
#define BASSCTRL 0x0c
#define TREBCTRL 0x0d
#define RESET    0x0f
#define PWRMGMT1 0x19
#define PWRMGMT2 0x1a
#define LOUTMIX1 0x22
#define LOUTMIX2 0x23
#define ROUTMIX1 0x24
#define ROUTMIX2 0x25
#define MOUTMIX1 0x26
#define MOUTMIX2 0x27
#define LOUT2VOL 0x28
#define ROUT2VOL 0x29

/* Register settings for the supported samplerates: */
#define WM8975_8000HZ      0x4d
#define WM8975_12000HZ     0x61
#define WM8975_16000HZ     0x55
#define WM8975_22050HZ     0x77
#define WM8975_24000HZ     0x79
#define WM8975_32000HZ     0x59
#define WM8975_44100HZ     0x63
#define WM8975_48000HZ     0x41
#define WM8975_88200HZ     0x7f
#define WM8975_96000HZ     0x5d

#endif /* _WM8975_H */
