Unverified Commit f0ab0bf2 authored by Kai Chieh Chuang's avatar Kai Chieh Chuang Committed by Mark Brown
Browse files

ASoC: add mt6797-mt6351 driver and config option 



Signed-off-by: default avatarKaiChieh Chuang <kaichieh.chuang@mediatek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 3c76fbc3

sound/soc/mediatek/Kconfig

+20 −0
Original line number Diff line number Diff line
@@ -32,6 +32,26 @@ config SND_SOC_MT2701_WM8960 
	  Select Y if you have such device.

	  If unsure select "N".



config SND_SOC_MT6797

	tristate "ASoC support for Mediatek MT6797 chip"

	depends on ARCH_MEDIATEK

	select SND_SOC_MEDIATEK

	help

	  This adds ASoC driver for Mediatek MT6797 boards

	  that can be used with other codecs.

	  Select Y if you have such device.

	  If unsure select "N".



config SND_SOC_MT6797_MT6351

	tristate "ASoc Audio driver for MT6797 with MT6351 codec"

	depends on SND_SOC_MT6797 && MTK_PMIC_WRAP

	select SND_SOC_MT6351

	help

	  This adds ASoC driver for Mediatek MT6797 boards

	  with the MT6351 codecs.

	  Select Y if you have such device.

	  If unsure select "N".



config SND_SOC_MT8173

	tristate "ASoC support for Mediatek MT8173 chip"

	depends on ARCH_MEDIATEK

sound/soc/mediatek/Makefile

+1 −0
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# SPDX-License-Identifier: GPL-2.0

obj-$(CONFIG_SND_SOC_MEDIATEK) += common/

obj-$(CONFIG_SND_SOC_MT2701) += mt2701/

obj-$(CONFIG_SND_SOC_MT6797) += mt6797/

obj-$(CONFIG_SND_SOC_MT8173) += mt8173/

sound/soc/mediatek/mt6797/Makefile

0 → 100644
+19 −0
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#

# Copyright (C) 2018 MediaTek Inc.

#

# 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.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU General Public License for more details.

#



# platform driver

snd-soc-mt6797-afe-objs := mt6797-afe-pcm.o mt6797-afe-clk.o

obj-$(CONFIG_SND_SOC_MT6797) += snd-soc-mt6797-afe.o



# machine driver

obj-$(CONFIG_SND_SOC_MT6797_MT6351) += mt6797-mt6351.o

sound/soc/mediatek/mt6797/mt6797-mt6351.c

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+186 −0
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/*

 * mt6797-mt6351.c  --  MT6797 MT6351 ALSA SoC machine driver

 *

 * Copyright (c) 2018 MediaTek Inc.

 * Author: Ryder Lee <ryder.lee@mediatek.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 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */



#include <linux/module.h>

#include <sound/soc.h>



#include "mt6797-afe-common.h"



static struct snd_soc_dai_link mt6797_mt6351_dai_links[] = {

	/* FE */

	{

		.name = "Playback_1",

		.stream_name = "Playback_1",

		.cpu_dai_name = "DL1",

		.codec_name = "snd-soc-dummy",

		.codec_dai_name = "snd-soc-dummy-dai",

		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,

			    SND_SOC_DPCM_TRIGGER_PRE},

		.dynamic = 1,

		.dpcm_playback = 1,

	},

	{

		.name = "Playback_2",

		.stream_name = "Playback_2",

		.cpu_dai_name = "DL2",

		.codec_name = "snd-soc-dummy",

		.codec_dai_name = "snd-soc-dummy-dai",

		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,

			    SND_SOC_DPCM_TRIGGER_PRE},

		.dynamic = 1,

		.dpcm_playback = 1,

	},

	{

		.name = "Playback_3",

		.stream_name = "Playback_3",

		.cpu_dai_name = "DL3",

		.codec_name = "snd-soc-dummy",

		.codec_dai_name = "snd-soc-dummy-dai",

		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,

			    SND_SOC_DPCM_TRIGGER_PRE},

		.dynamic = 1,

		.dpcm_playback = 1,

	},

	{

		.name = "Capture_1",

		.stream_name = "Capture_1",

		.cpu_dai_name = "UL1",

		.codec_name = "snd-soc-dummy",

		.codec_dai_name = "snd-soc-dummy-dai",

		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,

			    SND_SOC_DPCM_TRIGGER_PRE},

		.dynamic = 1,

		.dpcm_capture = 1,

	},

	{

		.name = "Capture_2",

		.stream_name = "Capture_2",

		.cpu_dai_name = "UL2",

		.codec_name = "snd-soc-dummy",

		.codec_dai_name = "snd-soc-dummy-dai",

		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,

			    SND_SOC_DPCM_TRIGGER_PRE},

		.dynamic = 1,

		.dpcm_capture = 1,

	},

	{

		.name = "Capture_3",

		.stream_name = "Capture_3",

		.cpu_dai_name = "UL3",

		.codec_name = "snd-soc-dummy",

		.codec_dai_name = "snd-soc-dummy-dai",

		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,

			    SND_SOC_DPCM_TRIGGER_PRE},

		.dynamic = 1,

		.dpcm_capture = 1,

	},

	{

		.name = "Capture_Mono_1",

		.stream_name = "Capture_Mono_1",

		.cpu_dai_name = "UL_MONO_1",

		.codec_name = "snd-soc-dummy",

		.codec_dai_name = "snd-soc-dummy-dai",

		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,

			    SND_SOC_DPCM_TRIGGER_PRE},

		.dynamic = 1,

		.dpcm_capture = 1,

	},

	/* BE */

	{

		.name = "Primary Codec",

		.cpu_dai_name = "ADDA",

		.codec_dai_name = "mt6351-snd-codec-aif1",

		.no_pcm = 1,

		.dpcm_playback = 1,

		.dpcm_capture = 1,

		.ignore_suspend = 1,

	},

};



static struct snd_soc_card mt6797_mt6351_card = {

	.name = "mt6797-mt6351",

	.owner = THIS_MODULE,

	.dai_link = mt6797_mt6351_dai_links,

	.num_links = ARRAY_SIZE(mt6797_mt6351_dai_links),

};



static int mt6797_mt6351_dev_probe(struct platform_device *pdev)

{

	struct snd_soc_card *card = &mt6797_mt6351_card;

	struct device_node *platform_node, *codec_node;

	int ret, i;



	card->dev = &pdev->dev;



	platform_node = of_parse_phandle(pdev->dev.of_node,

					 "mediatek,platform", 0);

	if (!platform_node) {

		dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");

		return -EINVAL;

	}

	for (i = 0; i < card->num_links; i++) {

		if (mt6797_mt6351_dai_links[i].platform_name)

			continue;

		mt6797_mt6351_dai_links[i].platform_of_node = platform_node;

	}



	codec_node = of_parse_phandle(pdev->dev.of_node,

				      "mediatek,audio-codec", 0);

	if (!codec_node) {

		dev_err(&pdev->dev,

			"Property 'audio-codec' missing or invalid\n");

		return -EINVAL;

	}

	for (i = 0; i < card->num_links; i++) {

		if (mt6797_mt6351_dai_links[i].codec_name)

			continue;

		mt6797_mt6351_dai_links[i].codec_of_node = codec_node;

	}



	ret = devm_snd_soc_register_card(&pdev->dev, card);

	if (ret)

		dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",

			__func__, ret);



	return ret;

}



#ifdef CONFIG_OF

static const struct of_device_id mt6797_mt6351_dt_match[] = {

	{.compatible = "mediatek,mt6797-mt6351-sound",},

	{}

};

#endif



static struct platform_driver mt6797_mt6351_driver = {

	.driver = {

		.name = "mt6797-mt6351",

		.owner = THIS_MODULE,

#ifdef CONFIG_OF

		.of_match_table = mt6797_mt6351_dt_match,

#endif

	},

	.probe = mt6797_mt6351_dev_probe,

};



module_platform_driver(mt6797_mt6351_driver);



/* Module information */

MODULE_DESCRIPTION("MT6797 MT6351 ALSA SoC machine driver");

MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>");

MODULE_LICENSE("GPL v2");

MODULE_ALIAS("mt6797 mt6351 soc card");