Unverified Commit de0fb25e authored by Binbin Zhou's avatar Binbin Zhou Committed by Mark Brown
Browse files

ASoC: codecs: Add uda1342 codec driver 



The UDA1342 is an NXP audio codec, support 2x Stereo audio ADC (4x PGA
mic inputs), stereo audio DAC, with basic audio processing.

Signed-off-by: default avatarBinbin Zhou <zhoubinbin@loongson.cn>
Link: https://patch.msgid.link/927e46b48ca84865a216ce08e7c53df59c2a8c0b.1728459624.git.zhoubinbin@loongson.cn


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent de567431

sound/soc/codecs/Kconfig

+8 −0
Original line number Diff line number Diff line
@@ -283,6 +283,7 @@ config SND_SOC_ALL_CODECS 
	imply SND_SOC_TWL4030

	imply SND_SOC_TWL6040

	imply SND_SOC_UDA1334

	imply SND_SOC_UDA1342

	imply SND_SOC_UDA1380

	imply SND_SOC_WCD9335

	imply SND_SOC_WCD934X
@@ -2131,6 +2132,13 @@ config SND_SOC_UDA1334 
	  and has basic features such as de-emphasis (at 44.1 kHz sampling

	  rate) and mute.



config SND_SOC_UDA1342

	tristate "NXP UDA1342 CODEC"

	depends on I2C

	help

	  The UDA1342 is an NXP audio codec, support 2x Stereo audio ADC (4x PGA

	  mic inputs), stereo audio DAC, with basic audio processing.



config SND_SOC_UDA1380

	tristate

	depends on I2C

sound/soc/codecs/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -325,6 +325,7 @@ snd-soc-ts3a227e-y := ts3a227e.o 
snd-soc-twl4030-y := twl4030.o

snd-soc-twl6040-y := twl6040.o

snd-soc-uda1334-y := uda1334.o

snd-soc-uda1342-y := uda1342.o

snd-soc-uda1380-y := uda1380.o

snd-soc-wcd-classh-y := wcd-clsh-v2.o

snd-soc-wcd-mbhc-y := wcd-mbhc-v2.o
@@ -735,6 +736,7 @@ obj-$(CONFIG_SND_SOC_TS3A227E) += snd-soc-ts3a227e.o 
obj-$(CONFIG_SND_SOC_TWL4030)	+= snd-soc-twl4030.o

obj-$(CONFIG_SND_SOC_TWL6040)	+= snd-soc-twl6040.o

obj-$(CONFIG_SND_SOC_UDA1334)	+= snd-soc-uda1334.o

obj-$(CONFIG_SND_SOC_UDA1342)	+= snd-soc-uda1342.o

obj-$(CONFIG_SND_SOC_UDA1380)	+= snd-soc-uda1380.o

obj-$(CONFIG_SND_SOC_WCD_CLASSH)	+= snd-soc-wcd-classh.o

obj-$(CONFIG_SND_SOC_WCD_MBHC)	+= snd-soc-wcd-mbhc.o

sound/soc/codecs/uda1342.c

0 → 100644
+347 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

//

// uda1342.c  --  UDA1342 ALSA SoC Codec driver

// Based on the WM87xx drivers by Liam Girdwood and Richard Purdie

//

// Copyright 2007 Dension Audio Systems Ltd.

// Copyright 2024 Loongson Technology Co.,Ltd.

//

// Modifications by Christian Pellegrin <chripell@evolware.org>

// Further cleanup and restructuring by:

//         Binbin Zhou <zhoubinbin@loongson.cn>



#include <linux/module.h>

#include <linux/i2c.h>

#include <sound/core.h>

#include <sound/pcm.h>

#include <sound/pcm_params.h>

#include <linux/pm_runtime.h>

#include <sound/soc.h>

#include <sound/tlv.h>



#include "uda1342.h"



#define UDA134X_FORMATS	(SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | \

			 SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S20_3LE)



struct uda1342_priv {

	int sysclk;

	int dai_fmt;



	struct snd_pcm_substream *provider_substream;

	struct snd_pcm_substream *consumer_substream;



	struct regmap *regmap;

	struct i2c_client *i2c;

};



static const struct reg_default uda1342_reg_defaults[] = {

	{ 0x00, 0x1042 },

	{ 0x01, 0x0000 },

	{ 0x10, 0x0088 },

	{ 0x11, 0x0000 },

	{ 0x12, 0x0000 },

	{ 0x20, 0x0080 },

	{ 0x21, 0x0080 },

};



static int uda1342_mute(struct snd_soc_dai *dai, int mute, int direction)

{

	struct snd_soc_component *component = dai->component;

	struct uda1342_priv *uda1342 = snd_soc_component_get_drvdata(component);

	unsigned int mask;

	unsigned int val = 0;



	/* Master mute */

	mask = BIT(5);

	if (mute)

		val = mask;



	return regmap_update_bits(uda1342->regmap, 0x10, mask, val);

}



static int uda1342_startup(struct snd_pcm_substream *substream,

			   struct snd_soc_dai *dai)

{

	struct snd_soc_component *component = dai->component;

	struct uda1342_priv *uda1342 = snd_soc_component_get_drvdata(component);

	struct snd_pcm_runtime *provider_runtime;



	if (uda1342->provider_substream) {

		provider_runtime = uda1342->provider_substream->runtime;



		snd_pcm_hw_constraint_single(substream->runtime,

					     SNDRV_PCM_HW_PARAM_RATE, provider_runtime->rate);

		snd_pcm_hw_constraint_single(substream->runtime,

					     SNDRV_PCM_HW_PARAM_SAMPLE_BITS,

					     provider_runtime->sample_bits);



		uda1342->consumer_substream = substream;

	} else {

		uda1342->provider_substream = substream;

	}



	return 0;

}



static void uda1342_shutdown(struct snd_pcm_substream *substream,

			     struct snd_soc_dai *dai)

{

	struct snd_soc_component *component = dai->component;

	struct uda1342_priv *uda1342 = snd_soc_component_get_drvdata(component);



	if (uda1342->provider_substream == substream)

		uda1342->provider_substream = uda1342->consumer_substream;



	uda1342->consumer_substream = NULL;

}



static int uda1342_hw_params(struct snd_pcm_substream *substream,

			     struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)

{

	struct snd_soc_component *component = dai->component;

	struct uda1342_priv *uda1342 = snd_soc_component_get_drvdata(component);

	struct device *dev = &uda1342->i2c->dev;

	unsigned int hw_params = 0;



	if (substream == uda1342->consumer_substream)

		return 0;



	/* set SYSCLK / fs ratio */

	switch (uda1342->sysclk / params_rate(params)) {

	case 512:

		break;

	case 384:

		hw_params |= BIT(4);

		break;

	case 256:

		hw_params |= BIT(5);

		break;

	default:

		dev_err(dev, "unsupported frequency\n");

		return -EINVAL;

	}



	/* set DAI format and word length */

	switch (uda1342->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) {

	case SND_SOC_DAIFMT_I2S:

		break;

	case SND_SOC_DAIFMT_RIGHT_J:

		switch (params_width(params)) {

		case 16:

			hw_params |= BIT(1);

			break;

		case 18:

			hw_params |= BIT(2);

			break;

		case 20:

			hw_params |= BIT(2) | BIT(1);

			break;

		default:

			dev_err(dev, "unsupported format (right)\n");

			return -EINVAL;

		}

		break;

	case SND_SOC_DAIFMT_LEFT_J:

		hw_params |= BIT(3);

		break;

	default:

		dev_err(dev, "unsupported format\n");

		return -EINVAL;

	}



	return regmap_update_bits(uda1342->regmap, 0x0,

				  STATUS0_DAIFMT_MASK | STATUS0_SYSCLK_MASK, hw_params);

}



static int uda1342_set_dai_sysclk(struct snd_soc_dai *codec_dai,

				  int clk_id, unsigned int freq, int dir)

{

	struct snd_soc_component *component = codec_dai->component;

	struct uda1342_priv *uda1342 = snd_soc_component_get_drvdata(component);

	struct device *dev = &uda1342->i2c->dev;



	/*

	 * Anything between 256fs*8Khz and 512fs*48Khz should be acceptable

	 * because the codec is slave. Of course limitations of the clock

	 * master (the IIS controller) apply.

	 * We'll error out on set_hw_params if it's not OK

	 */

	if ((freq >= (256 * 8000)) && (freq <= (512 * 48000))) {

		uda1342->sysclk = freq;

		return 0;

	}



	dev_err(dev, "unsupported sysclk\n");



	return -EINVAL;

}



static int uda1342_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)

{

	struct snd_soc_component *component = codec_dai->component;

	struct uda1342_priv *uda1342 = snd_soc_component_get_drvdata(component);



	/* codec supports only full consumer mode */

	if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_BC_FC) {

		dev_err(&uda1342->i2c->dev, "unsupported consumer mode.\n");

		return -EINVAL;

	}



	/* We can't setup DAI format here as it depends on the word bit num */

	/* so let's just store the value for later */

	uda1342->dai_fmt = fmt;



	return 0;

}



static const struct snd_kcontrol_new uda1342_snd_controls[] = {

	SOC_SINGLE("Master Playback Volume", 0x11, 0, 0x3F, 1),

	SOC_SINGLE("Analog1 Volume", 0x12, 0, 0x1F, 1),

};



/* Common DAPM widgets */

static const struct snd_soc_dapm_widget uda1342_dapm_widgets[] = {

	SND_SOC_DAPM_INPUT("VINL1"),

	SND_SOC_DAPM_INPUT("VINR1"),

	SND_SOC_DAPM_INPUT("VINL2"),

	SND_SOC_DAPM_INPUT("VINR2"),



	SND_SOC_DAPM_DAC("DAC", "Playback", 0, 1, 0),

	SND_SOC_DAPM_ADC("ADC", "Capture", 0, 9, 0),



	SND_SOC_DAPM_OUTPUT("VOUTL"),

	SND_SOC_DAPM_OUTPUT("VOUTR"),

};



static const struct snd_soc_dapm_route uda1342_dapm_routes[] = {

	{ "ADC", NULL, "VINL1" },

	{ "ADC", NULL, "VINR1" },

	{ "ADC", NULL, "VINL2" },

	{ "ADC", NULL, "VINR2" },

	{ "VOUTL", NULL, "DAC" },

	{ "VOUTR", NULL, "DAC" },

};



static const struct snd_soc_dai_ops uda1342_dai_ops = {

	.startup	= uda1342_startup,

	.shutdown	= uda1342_shutdown,

	.hw_params	= uda1342_hw_params,

	.mute_stream	= uda1342_mute,

	.set_sysclk	= uda1342_set_dai_sysclk,

	.set_fmt	= uda1342_set_dai_fmt,

};



static struct snd_soc_dai_driver uda1342_dai = {

	.name = "uda1342-hifi",

	/* playback capabilities */

	.playback = {

		.stream_name = "Playback",

		.channels_min = 1,

		.channels_max = 2,

		.rates = SNDRV_PCM_RATE_8000_48000,

		.formats = UDA134X_FORMATS,

	},

	/* capture capabilities */

	.capture = {

		.stream_name = "Capture",

		.channels_min = 1,

		.channels_max = 2,

		.rates = SNDRV_PCM_RATE_8000_48000,

		.formats = UDA134X_FORMATS,

	},

	/* pcm operations */

	.ops = &uda1342_dai_ops,

};



static const struct snd_soc_component_driver soc_component_dev_uda1342 = {

	.controls		= uda1342_snd_controls,

	.num_controls		= ARRAY_SIZE(uda1342_snd_controls),

	.dapm_widgets		= uda1342_dapm_widgets,

	.num_dapm_widgets	= ARRAY_SIZE(uda1342_dapm_widgets),

	.dapm_routes		= uda1342_dapm_routes,

	.num_dapm_routes	= ARRAY_SIZE(uda1342_dapm_routes),

	.suspend_bias_off	= 1,

	.idle_bias_on		= 1,

	.use_pmdown_time	= 1,

	.endianness		= 1,

};



static const struct regmap_config uda1342_regmap = {

	.reg_bits = 8,

	.val_bits = 16,

	.max_register = 0x21,

	.reg_defaults = uda1342_reg_defaults,

	.num_reg_defaults = ARRAY_SIZE(uda1342_reg_defaults),

	.cache_type = REGCACHE_MAPLE,

};



static int uda1342_i2c_probe(struct i2c_client *i2c)

{

	struct uda1342_priv *uda1342;



	uda1342 = devm_kzalloc(&i2c->dev, sizeof(*uda1342), GFP_KERNEL);

	if (!uda1342)

		return -ENOMEM;



	uda1342->regmap = devm_regmap_init_i2c(i2c, &uda1342_regmap);

	if (IS_ERR(uda1342->regmap))

		return PTR_ERR(uda1342->regmap);



	i2c_set_clientdata(i2c, uda1342);

	uda1342->i2c = i2c;



	return devm_snd_soc_register_component(&i2c->dev,

					       &soc_component_dev_uda1342,

					       &uda1342_dai, 1);

}



static int uda1342_suspend(struct device *dev)

{

	struct uda1342_priv *uda1342 = dev_get_drvdata(dev);



	regcache_cache_only(uda1342->regmap, true);



	return 0;

}



static int uda1342_resume(struct device *dev)

{

	struct uda1342_priv *uda1342 = dev_get_drvdata(dev);



	regcache_mark_dirty(uda1342->regmap);

	regcache_sync(uda1342->regmap);



	return 0;

}



static DEFINE_RUNTIME_DEV_PM_OPS(uda1342_pm_ops,

				 uda1342_suspend, uda1342_resume, NULL);



static const struct i2c_device_id uda1342_i2c_id[] = {

	 { "uda1342", 0 },

	 { }

};

MODULE_DEVICE_TABLE(i2c, uda1342_i2c_id);



static const struct of_device_id uda1342_of_match[] = {

	 { .compatible = "nxp,uda1342" },

	 { }

};

MODULE_DEVICE_TABLE(of, uda1342_of_match);



static struct i2c_driver uda1342_i2c_driver = {

	.driver = {

		.name =  "uda1342",

		.of_match_table = uda1342_of_match,

		.pm = pm_sleep_ptr(&uda1342_pm_ops),

	 },

	.probe = uda1342_i2c_probe,

	.id_table = uda1342_i2c_id,

};

module_i2c_driver(uda1342_i2c_driver);



MODULE_DESCRIPTION("UDA1342 ALSA soc codec driver");

MODULE_AUTHOR("Zoltan Devai, Christian Pellegrin <chripell@evolware.org>");

MODULE_AUTHOR("Binbin Zhou <zhoubinbin@loongson.cn>");

MODULE_LICENSE("GPL");

sound/soc/codecs/uda1342.h

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Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * Audio support for NXP UDA1342

 *

 * Copyright (c) 2005 Giorgio Padrin <giorgio@mandarinlogiq.org>

 * Copyright (c) 2024 Binbin Zhou <zhoubinbin@loongson.cn>

 */



#ifndef _UDA1342_H

#define _UDA1342_H



#define UDA1342_CLK		0x00

#define UDA1342_IFACE		0x01

#define UDA1342_PM		0x02

#define UDA1342_AMIX		0x03

#define UDA1342_HP		0x04

#define UDA1342_MVOL		0x11

#define UDA1342_MIXVOL		0x12

#define UDA1342_MODE		0x12

#define UDA1342_DEEMP		0x13

#define UDA1342_MIXER		0x14

#define UDA1342_INTSTAT		0x18

#define UDA1342_DEC		0x20

#define UDA1342_PGA		0x21

#define UDA1342_ADC		0x22

#define UDA1342_AGC		0x23

#define UDA1342_DECSTAT		0x28

#define UDA1342_RESET		0x7f



/* Register flags */

#define R00_EN_ADC		0x0800

#define R00_EN_DEC		0x0400

#define R00_EN_DAC		0x0200

#define R00_EN_INT		0x0100

#define R00_DAC_CLK		0x0010

#define R01_SFORI_I2S		0x0000

#define R01_SFORI_LSB16		0x0100

#define R01_SFORI_LSB18		0x0200

#define R01_SFORI_LSB20		0x0300

#define R01_SFORI_MSB		0x0500

#define R01_SFORI_MASK		0x0700

#define R01_SFORO_I2S		0x0000

#define R01_SFORO_LSB16		0x0001

#define R01_SFORO_LSB18		0x0002

#define R01_SFORO_LSB20		0x0003

#define R01_SFORO_LSB24		0x0004

#define R01_SFORO_MSB		0x0005

#define R01_SFORO_MASK		0x0007

#define R01_SEL_SOURCE		0x0040

#define R01_SIM			0x0010

#define R02_PON_PLL		0x8000

#define R02_PON_HP		0x2000

#define R02_PON_DAC		0x0400

#define R02_PON_BIAS		0x0100

#define R02_EN_AVC		0x0080

#define R02_PON_AVC		0x0040

#define R02_PON_LNA		0x0010

#define R02_PON_PGAL		0x0008

#define R02_PON_ADCL		0x0004

#define R02_PON_PGAR		0x0002

#define R02_PON_ADCR		0x0001

#define R13_MTM			0x4000

#define R14_SILENCE		0x0080

#define R14_SDET_ON		0x0040

#define R21_MT_ADC		0x8000

#define R22_SEL_LNA		0x0008

#define R22_SEL_MIC		0x0004

#define R22_SKIP_DCFIL		0x0002

#define R23_AGC_EN		0x0001



#define UDA1342_DAI_DUPLEX	0 /* playback and capture on single DAI */

#define UDA1342_DAI_PLAYBACK	1 /* playback DAI */

#define UDA1342_DAI_CAPTURE	2 /* capture DAI */



#define STATUS0_DAIFMT_MASK (~(7 << 1))

#define STATUS0_SYSCLK_MASK (~(3 << 4))



#endif /* _UDA1342_H */