54 lines
2.3 KiB
C
54 lines
2.3 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2011 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 __IMX233_CODEC_H_
|
|
#define __IMX233_CODEC_H_
|
|
|
|
#define AUDIOHW_CAPS (DEPTH_3D_CAP | BASS_CAP | TREBLE_CAP | \
|
|
LIN_GAIN_CAP | MIC_GAIN_CAP)
|
|
|
|
/* i.MX233 can boost up to 6dB in DAC mode and 12dB in line mode. Pretend we can
|
|
* do 12dB (but we cap at 6dB in DAC mode). With chained DAC volume
|
|
* and headphone volume, the i.MX233 can achieve < -100dB but stay at -100dB. */
|
|
AUDIOHW_SETTING(VOLUME, "dB", 0, 1, -100, 12, -25)
|
|
/* HAVE_SW_TONE_CONTROLS */
|
|
#ifdef HAVE_RECORDING
|
|
/* Depending on the input, we have three available volumes to tweak:
|
|
* - adc volume: -100dB -> -0.5dB in 0.5dB steps
|
|
* - mux gain: 0dB -> 22.5dB in 1.5dB steps
|
|
* - mic gain: 0dB -> 40dB in 10dB steps (except for 10) */
|
|
AUDIOHW_SETTING(LEFT_GAIN, "dB", 0, 1, -100, 22, 0)
|
|
AUDIOHW_SETTING(RIGHT_GAIN, "dB", 0, 1, -100, 22, 0)
|
|
AUDIOHW_SETTING(MIC_GAIN, "dB", 0, 1, -100, 60, 20)
|
|
#endif /* HAVE_RECORDING */
|
|
/* i.MX233 has four settings: 0dB, 3dB, 4.5dB, 6dB */
|
|
/* depth_3d setting: 0=0dB, 1=3dB, 2=4.5dB, 3=6dB. Return value in tenth of dB */
|
|
static inline int imx233_depth_3d_val2phys(int val)
|
|
{
|
|
if(val == 0)
|
|
return 0; /* 0dB */
|
|
else
|
|
return 15 * (val + 1); /* 3dB + 1.5dB per step */
|
|
}
|
|
AUDIOHW_SETTING(DEPTH_3D, "dB", 1, 1, 0, 3, 0, imx233_depth_3d_val2phys(val))
|
|
|
|
|
|
#endif /* __IMX233_CODEC_H_ */
|