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ASoC: tas571x: New driver for TI TAS571x power amplifiers

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Introduce a new codec driver for the Texas Instruments
TAS5711/TAS5717/TAS5719 power amplifier chips.  These chips are typically
used to take an I2S digital audio input and drive 10-20W into a pair of
speakers.

Signed-off-by: Kevin Cernekee <cernekee@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kevin Cernekee
2015-05-03 17:00:18 -07:00
committed by Mark Brown
parent ee5d4df729
commit 3fd6e7d9a1
4 changed files with 560 additions and 0 deletions
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33
sound/soc/codecs/tas571x.h Normal file
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/*
* TAS571x amplifier audio driver
*
* Copyright (C) 2015 Google, Inc.
*
* 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.
*/
#ifndef _TAS571X_H
#define _TAS571X_H
/* device registers */
#define TAS571X_SDI_REG 0x04
#define TAS571X_SDI_FMT_MASK 0x0f
#define TAS571X_SYS_CTRL_2_REG 0x05
#define TAS571X_SYS_CTRL_2_SDN_MASK 0x40
#define TAS571X_SOFT_MUTE_REG 0x06
#define TAS571X_SOFT_MUTE_CH1_SHIFT 0
#define TAS571X_SOFT_MUTE_CH2_SHIFT 1
#define TAS571X_SOFT_MUTE_CH3_SHIFT 2
#define TAS571X_MVOL_REG 0x07
#define TAS571X_CH1_VOL_REG 0x08
#define TAS571X_CH2_VOL_REG 0x09
#define TAS571X_OSC_TRIM_REG 0x1b
#endif /* _TAS571X_H */