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Commit 2c394ca7 authored by James Schulman's avatar James Schulman Committed by Mark Brown
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ASoC: Add support for CS42L42 codec 



Add support for Cirrus Logic CS42L42 codec. SoundWire support
is not enabled. Features support for I2C control and I2S audio.

Signed-off-by: default avatarJames Schulman <james.schulman@cirrus.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 55060fee

include/dt-bindings/sound/cs42l42.h

0 → 100644
+73 −0
Original line number Diff line number Diff line 
/*

 * cs42l42.h -- CS42L42 ALSA SoC audio driver DT bindings header

 *

 * Copyright 2016 Cirrus Logic, Inc.

 *

 * Author: James Schulman <james.schulman@cirrus.com>

 * Author: Brian Austin <brian.austin@cirrus.com>

 * Author: Michael White <michael.white@cirrus.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 */



#ifndef __DT_CS42L42_H

#define __DT_CS42L42_H



/* HPOUT Load Capacity */

#define CS42L42_HPOUT_LOAD_1NF		0

#define CS42L42_HPOUT_LOAD_10NF		1



/* HPOUT Clamp to GND Overide */

#define CS42L42_HPOUT_CLAMP_EN		0

#define CS42L42_HPOUT_CLAMP_DIS		1



/* Tip Sense Inversion */

#define CS42L42_TS_INV_DIS			0

#define CS42L42_TS_INV_EN			1



/* Tip Sense Debounce */

#define CS42L42_TS_DBNCE_0			0

#define CS42L42_TS_DBNCE_125			1

#define CS42L42_TS_DBNCE_250			2

#define CS42L42_TS_DBNCE_500			3

#define CS42L42_TS_DBNCE_750			4

#define CS42L42_TS_DBNCE_1000			5

#define CS42L42_TS_DBNCE_1250			6

#define CS42L42_TS_DBNCE_1500			7



/* Button Press Software Debounce Times */

#define CS42L42_BTN_DET_INIT_DBNCE_MIN		0

#define CS42L42_BTN_DET_INIT_DBNCE_DEFAULT	100

#define CS42L42_BTN_DET_INIT_DBNCE_MAX		200



#define CS42L42_BTN_DET_EVENT_DBNCE_MIN		0

#define CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT	10

#define CS42L42_BTN_DET_EVENT_DBNCE_MAX		20



/* Button Detect Level Sensitivities */

#define CS42L42_NUM_BIASES		4



#define CS42L42_HS_DET_LEVEL_15		0x0F

#define CS42L42_HS_DET_LEVEL_8		0x08

#define CS42L42_HS_DET_LEVEL_4		0x04

#define CS42L42_HS_DET_LEVEL_1		0x01



#define CS42L42_HS_DET_LEVEL_MIN	0

#define CS42L42_HS_DET_LEVEL_MAX	0x3F



/* HS Bias Ramp Rate */



#define CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL		0

#define CS42L42_HSBIAS_RAMP_FAST			1

#define CS42L42_HSBIAS_RAMP_SLOW			2

#define CS42L42_HSBIAS_RAMP_SLOWEST			3



#define CS42L42_HSBIAS_RAMP_TIME0			10

#define CS42L42_HSBIAS_RAMP_TIME1			40

#define CS42L42_HSBIAS_RAMP_TIME2			90

#define CS42L42_HSBIAS_RAMP_TIME3			170



#endif /* __DT_CS42L42_H */

sound/soc/codecs/Kconfig

+5 −0
Original line number Diff line number Diff line
@@ -49,6 +49,7 @@ config SND_SOC_ALL_CODECS 
	select SND_SOC_CS35L32 if I2C

	select SND_SOC_CS35L33 if I2C

	select SND_SOC_CS35L34 if I2C

	select SND_SOC_CS42L42 if I2C

	select SND_SOC_CS42L51_I2C if I2C

	select SND_SOC_CS42L52 if I2C && INPUT

	select SND_SOC_CS42L56 if I2C && INPUT
@@ -404,6 +405,10 @@ config SND_SOC_CS35L34 
	tristate "Cirrus Logic CS35L34 CODEC"

	depends on I2C



config SND_SOC_CS42L42

	tristate "Cirrus Logic CS42L42 CODEC"

	depends on I2C



config SND_SOC_CS42L51

	tristate

sound/soc/codecs/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -39,6 +39,7 @@ snd-soc-cq93vc-objs := cq93vc.o 
snd-soc-cs35l32-objs := cs35l32.o

snd-soc-cs35l33-objs := cs35l33.o

snd-soc-cs35l34-objs := cs35l34.o

snd-soc-cs42l42-objs := cs42l42.o

snd-soc-cs42l51-objs := cs42l51.o

snd-soc-cs42l51-i2c-objs := cs42l51-i2c.o

snd-soc-cs42l52-objs := cs42l52.o
@@ -265,6 +266,7 @@ obj-$(CONFIG_SND_SOC_CQ0093VC) += snd-soc-cq93vc.o 
obj-$(CONFIG_SND_SOC_CS35L32)	+= snd-soc-cs35l32.o

obj-$(CONFIG_SND_SOC_CS35L33)	+= snd-soc-cs35l33.o

obj-$(CONFIG_SND_SOC_CS35L34)	+= snd-soc-cs35l34.o

obj-$(CONFIG_SND_SOC_CS42L42)	+= snd-soc-cs42l42.o

obj-$(CONFIG_SND_SOC_CS42L51)	+= snd-soc-cs42l51.o

obj-$(CONFIG_SND_SOC_CS42L51_I2C)	+= snd-soc-cs42l51-i2c.o

obj-$(CONFIG_SND_SOC_CS42L52)	+= snd-soc-cs42l52.o

sound/soc/codecs/cs42l42.c

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sound/soc/codecs/cs42l42.h

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