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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Dave Chapman
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef _WM8721_H
#define _WM8721_H
/* volume/balance/treble/bass interdependency */
#define VOLUME_MIN -730
#define VOLUME_MAX 60
extern int tenthdb2master(int db);
extern void audiohw_set_master_vol(int vol_l, int vol_r);
extern void audiohw_set_sample_rate(int sampling_control);
/* Register addresses and bits */
#define LOUTVOL 0x02
#define LOUTVOL_LHPVOL_MASK 0x7f
#define LOUTVOL_LZCEN (1 << 7)
#define LOUTVOL_LRHPBOTH (1 << 8)
#define ROUTVOL 0x03
#define ROUTVOL_RHPVOL_MASK 0x7f
#define ROUTVOL_RZCEN (1 << 7)
#define ROUTVOL_RLHPBOTH (1 << 8)
#define AAPCTRL 0x04 /* Analog audio path control */
#define AAPCTRL_DACSEL (1 << 4)
#define DAPCTRL 0x05 /* Digital audio path control */
#define DAPCTRL_DEEMP_DISABLE (0 << 2)
#define DAPCTRL_DEEMP_32KHz (1 << 2)
#define DAPCTRL_DEEMP_44KHz (2 << 2)
#define DAPCTRL_DEEMP_48KHz (3 << 2)
#define DAPCTRL_DEEMP_MASK (3 << 2)
#define DAPCTRL_DACMU (1 << 3)
#define PDCTRL 0x06
#define PDCTRL_DACPD (1 << 3)
#define PDCTRL_OUTPD (1 << 4)
#define PDCTRL_POWEROFF (1 << 7)
#define AINTFCE 0x07
#define AINTFCE_FORMAT_MSB_RJUST (0 << 0)
#define AINTFCE_FORMAT_MSB_LJUST (1 << 0)
#define AINTFCE_FORMAT_I2S (2 << 0)
#define AINTFCE_FORMAT_DSP (3 << 0)
#define AINTFCE_FORMAT_MASK (3 << 0)
#define AINTFCE_IWL_16BIT (0 << 2)
#define AINTFCE_IWL_20BIT (1 << 2)
#define AINTFCE_IWL_24BIT (2 << 2)
#define AINTFCE_IWL_32BIT (3 << 2)
#define AINTFCE_IWL_MASK (3 << 2)
#define AINTFCE_LRP_I2S_RLO (0 << 4)
#define AINTFCE_LRP_I2S_RHI (1 << 4)
#define AINTFCE_DSP_MODE_B (0 << 4)
#define AINTFCE_DSP_MODE_A (1 << 4)
#define AINTFCE_LRSWAP (1 << 5)
#define AINTFCE_MS (1 << 6)
#define AINTFCE_BCLKINV (1 << 7)
#define SAMPCTRL 0x08
#define SAMPCTRL_USB (1 << 0)
#define SAMPCTRL_BOSR_NOR_256fs (0 << 1)
#define SAMPCTRL_BOSR_NOR_384fs (1 << 1)
#define SAMPCTRL_BOSR_USB_250fs (0 << 1)
#define SAMPCTRL_BOSR_USB_272fs (1 << 1)
/* Bits 2-5:
* Sample rate setting are device-specific. See WM8721 datasheet
* for proper settings for the device's clocking */
#define SAMPCTRL_SR_MASK (0xf << 2)
#define SAMPCTRL_CLKIDIV2 (1 << 6)
#define ACTIVECTRL 0x09
#define ACTIVECTRL_ACTIVE (1 << 0)
#define RESET 0x0f
#define RESET_RESET 0x0
/* SAMPCTRL values for the supported samplerates (24MHz MCLK/USB): */
#define WM8721_USB24_8000HZ 0x4d
#define WM8721_USB24_32000HZ 0x59
#define WM8721_USB24_44100HZ 0x63
#define WM8721_USB24_48000HZ 0x41
#define WM8721_USB24_88200HZ 0x7f
#define WM8721_USB24_96000HZ 0x5d
#endif /* _WM8721_H */
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