Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit efc4720d authored by Marek Belisko's avatar Marek Belisko Committed by Mark Brown
Browse files

ASoC: Add gtm601 codec driver 



This driver add PCM interface to a GTM601 UMTS modem chip.
There is no configuration interface.

Signed-off-by: default avatarMarek Belisko <marek@goldelico.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent d770e558

sound/soc/codecs/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -62,6 +62,7 @@ config SND_SOC_ALL_CODECS 
	select SND_SOC_BT_SCO

	select SND_SOC_ES8328_SPI if SPI_MASTER

	select SND_SOC_ES8328_I2C if I2C

	select SND_SOC_GTM601

	select SND_SOC_ISABELLE if I2C

	select SND_SOC_JZ4740_CODEC

	select SND_SOC_LM4857 if I2C
@@ -446,6 +447,9 @@ config SND_SOC_ES8328_SPI 
	tristate

	select SND_SOC_ES8328



config SND_SOC_GTM601

	tristate 'GTM601 UMTS modem audio codec'



config SND_SOC_ISABELLE

        tristate

sound/soc/codecs/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -55,6 +55,7 @@ snd-soc-dmic-objs := dmic.o 
snd-soc-es8328-objs := es8328.o

snd-soc-es8328-i2c-objs := es8328-i2c.o

snd-soc-es8328-spi-objs := es8328-spi.o

snd-soc-gtm601-objs := gtm601.o

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

snd-soc-jz4740-codec-objs := jz4740.o

snd-soc-l3-objs := l3.o
@@ -242,6 +243,7 @@ obj-$(CONFIG_SND_SOC_DMIC) += snd-soc-dmic.o 
obj-$(CONFIG_SND_SOC_ES8328)	+= snd-soc-es8328.o

obj-$(CONFIG_SND_SOC_ES8328_I2C)+= snd-soc-es8328-i2c.o

obj-$(CONFIG_SND_SOC_ES8328_SPI)+= snd-soc-es8328-spi.o

obj-$(CONFIG_SND_SOC_GTM601)    += snd-soc-gtm601.o

obj-$(CONFIG_SND_SOC_ISABELLE)	+= snd-soc-isabelle.o

obj-$(CONFIG_SND_SOC_JZ4740_CODEC)	+= snd-soc-jz4740-codec.o

obj-$(CONFIG_SND_SOC_L3)	+= snd-soc-l3.o

sound/soc/codecs/gtm601.c

0 → 100644
+98 −0
Original line number Diff line number Diff line 
/*

 * This is a simple driver for the GTM601 Voice PCM interface

 *

 * Copyright (C) 2015 Goldelico GmbH

 *

 * Author: Marek Belisko <marek@goldelico.com>

 *

 * Based on wm8727.c driver

 *

 * 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.

 */



#include <linux/init.h>

#include <linux/slab.h>

#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/device.h>

#include <sound/core.h>

#include <sound/pcm.h>

#include <sound/ac97_codec.h>

#include <sound/initval.h>

#include <sound/soc.h>



static const struct snd_soc_dapm_widget gtm601_dapm_widgets[] = {

	SND_SOC_DAPM_OUTPUT("AOUT"),

	SND_SOC_DAPM_INPUT("AIN"),

};



static const struct snd_soc_dapm_route gtm601_dapm_routes[] = {

	{ "AOUT", NULL, "Playback" },

	{ "Capture", NULL, "AIN" },

};



struct snd_soc_dai_driver gtm601_dai = {

	.name = "gtm601",

	.playback = {

		.stream_name = "Playback",

		.channels_min = 1,

		.channels_max = 1,

		.rates = SNDRV_PCM_RATE_8000,

		.formats = SNDRV_PCM_FMTBIT_S16_LE,

		},

	.capture = {

		.stream_name = "Capture",

		.channels_min = 1,

		.channels_max = 1,

		.rates = SNDRV_PCM_RATE_8000,

		.formats = SNDRV_PCM_FMTBIT_S16_LE,

	},

};



static struct snd_soc_codec_driver soc_codec_dev_gtm601 = {

	.dapm_widgets = gtm601_dapm_widgets,

	.num_dapm_widgets = ARRAY_SIZE(gtm601_dapm_widgets),

	.dapm_routes = gtm601_dapm_routes,

	.num_dapm_routes = ARRAY_SIZE(gtm601_dapm_routes),

};



static int gtm601_platform_probe(struct platform_device *pdev)

{

	return snd_soc_register_codec(&pdev->dev,

			&soc_codec_dev_gtm601, &gtm601_dai, 1);

}



static int gtm601_platform_remove(struct platform_device *pdev)

{

	snd_soc_unregister_codec(&pdev->dev);

	return 0;

}



MODULE_ALIAS("platform:gtm601_codec_audio");



#if defined(CONFIG_OF)

static const struct of_device_id gtm601_codec_of_match[] = {

	{ .compatible = "option,gtm601", },

	{},

};

MODULE_DEVICE_TABLE(of, gtm601_codec_of_match);

#endif



static struct platform_driver gtm601_codec_driver = {

	.driver = {

			.name = "gtm601",

			.owner = THIS_MODULE,

			.of_match_table = of_match_ptr(gtm601_codec_of_match),

	},



	.probe = gtm601_platform_probe,

	.remove = gtm601_platform_remove,

};



module_platform_driver(gtm601_codec_driver);



MODULE_DESCRIPTION("ASoC gtm601 driver");

MODULE_AUTHOR("Marek Belisko <marek@goldelico.com>");

MODULE_LICENSE("GPL");