143 lines
4.3 KiB
C
143 lines
4.3 KiB
C
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/***************************************************************************
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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 _PCM1792_H
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#define _PCM1792_H
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#define PCM1792_VOLUME_MIN -1270
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#define PCM1792_VOLUME_MAX 0
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#define AUDIOHW_CAPS (FILTER_ROLL_OFF_CAP)
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AUDIOHW_SETTING(VOLUME, "dB", 0, 1, PCM1792_VOLUME_MIN/10, PCM1792_VOLUME_MAX/10, 0)
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AUDIOHW_SETTING(FILTER_ROLL_OFF, "", 0, 1, 0, 1, 0)
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#define PCM1792_REG(x) (((x)&0x1f)<<8)
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/**
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* Register #18
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*/
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/* Attenuation Load Control */
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#define PCM1792_ATLD_OFF (0<<7)
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#define PCM1792_ATLD_ON (1<<7)
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/* Audio Interface Data Format */
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#define PCM1792_FMT_16_RJ (0<<4) /* 16-bit standard format, right-justified data */
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#define PCM1792_FMT_20_RJ (1<<4) /* 20-bit standard format, right-justified data */
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#define PCM1792_FMT_24_RJ (2<<4) /* 24-bit standard format, right-justified data */
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#define PCM1792_FMT_24_MSB_I2S (3<<4) /* 24-bit MSB-first, left-justified format data */
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#define PCM1792_FMT_16_I2S (4<<4) /* 16-bit I2S format data */
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#define PCM1792_FMT_24_I2S (5<<4) /* 24-bit I2S format data */
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/* Sampling Frequency Selection for the De-Emphasis Function */
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#define PCM1792_DMF_DISABLE (0<<2)
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#define PCM1792_DMF_48 (1<<2)
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#define PCM1792_DMF_44 (2<<2)
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#define PCM1792_DMF_32 (2<<2)
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/* Digital De-Emphasis Control */
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#define PCM1792_DME_OFF (0<<1)
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#define PCM1792_DME_ON (1<<1)
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/* Soft Mute Control */
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#define PCM1792_MUTE_OFF (0<<0)
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#define PCM1792_MUTE_ON (1<<0)
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/**
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* Register #19
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*/
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/* Output Phase Reversal */
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#define PCM1792_REV_OFF (0<<7)
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#define PCM1792_REV_ON (1<<7)
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/* Attenuation Rate Select */
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#define PCM1792_ATS_DIV1 (0<<5)
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#define PCM1792_ATS_DIV2 (1<<5)
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#define PCM1792_ATS_DIV4 (2<<5)
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#define PCM1792_ATS_DIV8 (4<<5)
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/* DAC Operation Control */
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#define PCM1792_OPE_ON (0<<4)
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#define PCM1792_OPE_OFF (1<<4)
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/* Stereo DF Bypass Mode Select */
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#define PCM1792_DFMS_MONO (0<<2)
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#define PCM1792_DFMS_STERO (1<<2)
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/* Digital Filter Rolloff Control */
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#define PCM1792_FLT_SHARP (0<<1)
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#define PCM1792_FLT_SLOW (1<<1)
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/* Infinite Zero Detect Mute Control */
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#define PCM1792_INZD_OFF (0<<0)
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#define PCM1792_INZD_ON (1<<0)
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/**
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* Register #20
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*/
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/* System Reset Control */
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#define PCM1792_SRST_NORMAL (0<<6)
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#define PCM1792_SRST_RESET (1<<6)
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/* DSD Interface Mode Control */
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#define PCM1792_DSD_OFF (0<<5)
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#define PCM1792_DSD_ON (1<<5)
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/* Digital Filter Bypass (or Through Mode) Control */
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#define PCM1792_DFTH_ENABLE (0<<4) /* Digital filter enabled */
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#define PCM1792_DFTH_BYPASS (1<<4) /* Digital filter bypassed
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for external digital filter */
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/* Monaural Mode Selection */
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#define PCM1792_STEREO (0<<3)
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#define PCM1792_MONO (1<<3)
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/* Channel Selection for Monaural Mode */
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#define PCM1792_CHSL_L (0<<2)
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#define PCM1792_CHSL_R (1<<2)
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/* Delta-Sigma Oversampling Rate Selection */
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#define PCM1792_OS_64 (0<<0)
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#define PCM1792_OS_32 (1<<0)
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#define PCM1792_OS_128 (2<<0)
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/**
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* Register #21
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*/
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/* DSD Zero Output Enable */
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#define PCM1792_DZ_DISABLE (0<<1)
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#define PCM1792_DZ_EVEN (1<<1) /* Even pattern detect */
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#define PCM1792_DZ_96H (2<<1) /* 96h pattern detect */
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/* PCM Zero Output Enable */
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#define PCM1792_PCMZ_OFF (0<<0)
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#define PCM1792_PCMZ_ON (1<<0)
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void audiohw_mute(void);
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void pcm1792_set_ml(const int);
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void pcm1792_set_mc(const int);
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void pcm1792_set_md(const int);
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void pcm1792_set_ml_dir(const int);
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#endif
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