forked from len0rd/rockbox
48 lines
2.2 KiB
C
48 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 __IMX233_CODEC_H_
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#define __IMX233_CODEC_H_
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/* i.MX233 can boost up to 6dB in DAC mode and 12dB in line mode. Since mic/line
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* already have adjustable gain, keep lowest of both. With chained DAC volume
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* and headphone volume, the i.MX233 can achieve < -100dB but stay at -100dB. */
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#define AUDIOHW_CAPS (DEPTH_3D_CAP | BASS_CAP | TREBLE_CAP | \
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LIN_GAIN_CAP | MIC_GAIN_CAP)
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/* Work with half dB since the i.MX233 doesn't have a better resolution */
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/* minimum is -57.5dB and max is 6dB in DAC mode
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* and -51.5dB / 12dB in Line1 mode */
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AUDIOHW_SETTING(VOLUME, "dB", 1, 5,-580, 120, -250)
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/* HAVE_SW_TONE_CONTROLS */
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#ifdef HAVE_RECORDING
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/* Depending on the input, we have three available volumes to tweak:
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* - adc volume: -100dB -> -0.5dB in 0.5dB steps
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* - mux gain: 0dB -> 22.5dB in 1.5dB steps
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* - mic gain: 0dB -> 40dB in 10dB steps (except for 10) */
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AUDIOHW_SETTING(LEFT_GAIN, "dB", 1, 5,-1000, 220, 0)
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AUDIOHW_SETTING(RIGHT_GAIN, "dB", 1, 5,-1000, 220, 0)
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AUDIOHW_SETTING(MIC_GAIN, "dB", 1, 5,-1000, 600, 200)
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#endif /* HAVE_RECORDING */
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/* i.MX233 has four settings: 0dB, 3dB, 4.5dB, 6dB so fake 1.5dB steps */
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AUDIOHW_SETTING(DEPTH_3D, "dB", 1,15, 0, 60, 0)
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#endif /* __IMX233_CODEC_H_ */
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