501e8a7e71
This feature was never used and it is not even working because weak linking doesn't work in-between files in a library. Change-Id: I389ea5f17be1d9db0e2150828d704be5a091e09d
52 lines
2.1 KiB
C
52 lines
2.1 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2013 by Amaury Pouly
|
|
*
|
|
* 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 __audio_imx233__
|
|
#define __audio_imx233__
|
|
|
|
#include "audio.h"
|
|
#include "audio-target.h"
|
|
|
|
/* target can control those functions by using the following defines
|
|
* NOTE by default gates are enabled by setting GPIO to 1 (except if inverted)
|
|
*
|
|
* IMX233_AUDIO_HP_GATE_BANK (gpio bank)
|
|
* IMX233_AUDIO_HP_GATE_PIN (gpio pin)
|
|
* IMX233_AUDIO_HP_GATE_INVERTED (define if inverted)
|
|
*
|
|
* IMX233_AUDIO_SPKR_GATE_BANK (gpio bank)
|
|
* IMX233_AUDIO_SPKR_GATE_PIN (gpio pin)
|
|
* IMX233_AUDIO_SPKR_GATE_INVERTED (define if inverted)
|
|
*
|
|
* target can set those to control microphone parameters
|
|
* NOTE by default, mic select is 1, mic bias is 0 and mic resistor is 2KOhm
|
|
* IMX233_AUDIO_MIC_SELECT (mic bias pin: 0=lradc0, 1=lradc1)
|
|
* IMX233_AUDIO_MIC_BIAS (mic bias, 0=1.21V, 1=1.46, ..., 7=2.96V (0.25mV inc)
|
|
* IMX233_AUDIO_MIC_RESISTOR (mic resistor: 2KOhm, 4KOhm, 8KOhm)
|
|
*/
|
|
// do some initialisation related to next functions
|
|
void imx233_audio_preinit(void);
|
|
void imx233_audio_postinit(void);
|
|
// enable/disable the HP audio gate (typically using a GPIO)
|
|
void imx233_audio_enable_hp(bool en);
|
|
// enable/disable the speaker audio gate (typically using a GPIO)
|
|
void imx233_audio_enable_spkr(bool en);
|
|
|
|
#endif /* __audio_imx233__ */
|