![James Schulman](/assets/img/avatar_default.png)
Add support for Cirrus Logic CS42L42 codec. SoundWire support is not enabled. Features support for I2C control and I2S audio. Signed-off-by: James Schulman <james.schulman@cirrus.com> Signed-off-by: Mark Brown <broonie@kernel.org>
74 lines
2 KiB
C
74 lines
2 KiB
C
/*
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* cs42l42.h -- CS42L42 ALSA SoC audio driver DT bindings header
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*
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* Copyright 2016 Cirrus Logic, Inc.
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*
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* Author: James Schulman <james.schulman@cirrus.com>
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* Author: Brian Austin <brian.austin@cirrus.com>
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* Author: Michael White <michael.white@cirrus.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef __DT_CS42L42_H
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#define __DT_CS42L42_H
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/* HPOUT Load Capacity */
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#define CS42L42_HPOUT_LOAD_1NF 0
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#define CS42L42_HPOUT_LOAD_10NF 1
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/* HPOUT Clamp to GND Overide */
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#define CS42L42_HPOUT_CLAMP_EN 0
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#define CS42L42_HPOUT_CLAMP_DIS 1
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/* Tip Sense Inversion */
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#define CS42L42_TS_INV_DIS 0
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#define CS42L42_TS_INV_EN 1
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/* Tip Sense Debounce */
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#define CS42L42_TS_DBNCE_0 0
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#define CS42L42_TS_DBNCE_125 1
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#define CS42L42_TS_DBNCE_250 2
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#define CS42L42_TS_DBNCE_500 3
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#define CS42L42_TS_DBNCE_750 4
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#define CS42L42_TS_DBNCE_1000 5
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#define CS42L42_TS_DBNCE_1250 6
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#define CS42L42_TS_DBNCE_1500 7
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/* Button Press Software Debounce Times */
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#define CS42L42_BTN_DET_INIT_DBNCE_MIN 0
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#define CS42L42_BTN_DET_INIT_DBNCE_DEFAULT 100
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#define CS42L42_BTN_DET_INIT_DBNCE_MAX 200
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#define CS42L42_BTN_DET_EVENT_DBNCE_MIN 0
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#define CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT 10
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#define CS42L42_BTN_DET_EVENT_DBNCE_MAX 20
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/* Button Detect Level Sensitivities */
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#define CS42L42_NUM_BIASES 4
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#define CS42L42_HS_DET_LEVEL_15 0x0F
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#define CS42L42_HS_DET_LEVEL_8 0x08
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#define CS42L42_HS_DET_LEVEL_4 0x04
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#define CS42L42_HS_DET_LEVEL_1 0x01
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#define CS42L42_HS_DET_LEVEL_MIN 0
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#define CS42L42_HS_DET_LEVEL_MAX 0x3F
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/* HS Bias Ramp Rate */
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#define CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL 0
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#define CS42L42_HSBIAS_RAMP_FAST 1
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#define CS42L42_HSBIAS_RAMP_SLOW 2
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#define CS42L42_HSBIAS_RAMP_SLOWEST 3
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#define CS42L42_HSBIAS_RAMP_TIME0 10
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#define CS42L42_HSBIAS_RAMP_TIME1 40
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#define CS42L42_HSBIAS_RAMP_TIME2 90
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#define CS42L42_HSBIAS_RAMP_TIME3 170
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#endif /* __DT_CS42L42_H */
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