68 lines
2.2 KiB
C
68 lines
2.2 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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* Copyright (C) 2011 by Amaury Pouly
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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 __audioin_imx233__
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#define __audioin_imx233__
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#include "config.h"
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#include "cpu.h"
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#include "system.h"
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#include "regs/regs-audioin.h"
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/* some audioout registers impact audioin */
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#include "regs/regs-audioout.h"
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#define AUDIOIN_SELECT_MICROPHONE 0
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#define AUDIOIN_SELECT_LINE1 1
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#define AUDIOIN_SELECT_HEADPHONE 2
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#define AUDIOIN_SELECT_LINE2 3
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struct imx233_audioin_info_t
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{
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// NOTE there is a convention here: adc -> adcvol -> adcmute
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int freq; // in mHz
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int muxselect[2];
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bool adc;
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int adcvol[2]; // in tenth-dB, l/r
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bool adcmute[2]; // l/r
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bool mux;
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int muxvol[2]; // in tenth-db, l/r
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bool muxmute[2]; // l/r
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bool mic;
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int micvol[2]; // in tenth-db, l/r
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int micmute[2]; // l/r
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};
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void imx233_audioin_preinit(void);
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void imx233_audioin_postinit(void);
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void imx233_audioin_open(void);
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void imx233_audioin_close(void);
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/* use AUDIONIN_SELECT_* values */
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void imx233_audioin_select_mux_input(bool right, int select);
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/* volume in half dB */
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void imx233_audioin_set_vol(bool right, int vol, int select);
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/* frequency index, NOT the frequency itself */
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void imx233_audioin_set_freq(int fsel);
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/* enable microphone */
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void imx233_audioin_enable_mic(bool enable);
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struct imx233_audioin_info_t imx233_audioin_get_info(void);
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#endif /* __audioin_imx233__ */
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