96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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*
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* Copyright (c) 2013 Andrew Ryabinin
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _DF1704_H
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#define _DF1704_H
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#define DF1704_VOLUME_MIN -1270
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#define DF1704_VOLUME_MAX 0
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#define AUDIOHW_CAPS (FILTER_ROLL_OFF_CAP)
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AUDIOHW_SETTING(VOLUME, "dB", 0, 1, DF1704_VOLUME_MIN/10, DF1704_VOLUME_MAX/10, 0)
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AUDIOHW_SETTING(FILTER_ROLL_OFF, "", 0, 1, 0, 1, 0)
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#define DF1704_MODE(x) (((x)&0x03)<<9)
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/**
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* MODE0 register settings
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*/
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/* Left channel attenuation data load control */
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#define DF1704_LDL_ON (1<<8)
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#define DF1704_LDL_OFF (0<<8)
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/**
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* MODE1 register settings
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*/
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/* Right channel attenuation data load control */
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#define DF1704_LDR_ON (1<<8)
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#define DF1704_LDR_OFF (0<<8)
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/**
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* MODE2 register settings
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*/
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#define DF1704_MUTE_ON (0<<0)
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#define DF1704_MUTE_OFF (1<<0)
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/* Digital De-Emphasis */
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#define DF1704_DEM_ON (1<<1)
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#define DF1704_DEM_OFF (0<<1)
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/* Input data format & word lengths */
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#define DF1704_IW_16_I2S (0<<3)
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#define DF1704_IW_24_I2S (1<<3)
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#define DF1704_IW_16_RJ (0<<3)
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#define DF1704_IW_20_RJ (1<<3)
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#define DF1704_IW_24_RJ (2<<3)
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#define DF1704_IW_24_LJ (3<<3)
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/* Output data format & word lengths */
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#define DF1704_OW_16 (0<<5)
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#define DF1704_OW_18 (1<<5)
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#define DF1704_OW_20 (2<<5)
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#define DF1704_OW_24 (3<<5)
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/**
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* MODE3 register settings
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*/
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#define DF1704_I2S_OFF (0<<0)
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#define DF1704_I2S_ON (1<<0)
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#define DF1704_LRP_L (0<<1)
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#define DF1704_LRP_H (1<<1)
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#define DF1704_ATC_ON (1<<2)
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#define DF1704_ATC_OFF (0<<2)
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#define DF1704_SRO_SHARP (0<<3)
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#define DF1704_SRO_SLOW (1<<3)
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/* CLKO output frequency selection */
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#define DF1704_CKO_FULL (0<<5)
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#define DF1704_CKO_HALF (1<<5)
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/* Sampling freq selection for the De-Emphasis */
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#define DF1704_SF_44 (0<<6)
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#define DF1704_SF_32 (3<<6)
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#define DF1704_SF_48 (2<<6)
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void df1704_init(void);
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void df1704_mute(void);
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void df1704_set_ml(const int);
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void df1704_set_mc(const int);
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void df1704_set_md(const int);
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void df1704_set_ml_dir(const int);
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#endif
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