[mirror_ubuntu-bionic-kernel.git] / sound / soc / mediatek / mt8173 / mt8173-max98090.c

/*
 * mt8173-max98090.c  --  MT8173 MAX98090 ALSA SoC machine driver
 *
 * Copyright (c) 2015 MediaTek Inc.
 * Author: Koro Chen <koro.chen@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 <sound/jack.h>
#include <linux/gpio.h>
#include "../../codecs/max98090.h"

static struct snd_soc_jack mt8173_max98090_jack;

static struct snd_soc_jack_pin mt8173_max98090_jack_pins[] = {
	{
		.pin	= "Headphone",
		.mask	= SND_JACK_HEADPHONE,
	},
	{
		.pin	= "Headset Mic",
		.mask	= SND_JACK_MICROPHONE,
	},
};

static const struct snd_soc_dapm_widget mt8173_max98090_widgets[] = {
	SND_SOC_DAPM_SPK("Speaker", NULL),
	SND_SOC_DAPM_MIC("Int Mic", NULL),
	SND_SOC_DAPM_HP("Headphone", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
};

static const struct snd_soc_dapm_route mt8173_max98090_routes[] = {
	{"Speaker", NULL, "SPKL"},
	{"Speaker", NULL, "SPKR"},
	{"DMICL", NULL, "Int Mic"},
	{"Headphone", NULL, "HPL"},
	{"Headphone", NULL, "HPR"},
	{"Headset Mic", NULL, "MICBIAS"},
	{"IN34", NULL, "Headset Mic"},
};

static const struct snd_kcontrol_new mt8173_max98090_controls[] = {
	SOC_DAPM_PIN_SWITCH("Speaker"),
	SOC_DAPM_PIN_SWITCH("Int Mic"),
	SOC_DAPM_PIN_SWITCH("Headphone"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
};

static int mt8173_max98090_hw_params(struct snd_pcm_substream *substream,
				     struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;

	return snd_soc_dai_set_sysclk(codec_dai, 0, params_rate(params) * 256,
				      SND_SOC_CLOCK_IN);
}

static struct snd_soc_ops mt8173_max98090_ops = {
	.hw_params = mt8173_max98090_hw_params,
};

static int mt8173_max98090_init(struct snd_soc_pcm_runtime *runtime)
{
	int ret;
	struct snd_soc_card *card = runtime->card;
	struct snd_soc_codec *codec = runtime->codec;

	/* enable jack detection */
	ret = snd_soc_card_jack_new(card, "Headphone", SND_JACK_HEADPHONE,
				    &mt8173_max98090_jack,
				    mt8173_max98090_jack_pins,
				    ARRAY_SIZE(mt8173_max98090_jack_pins));
	if (ret) {
		dev_err(card->dev, "Can't create a new Jack %d\n", ret);
		return ret;
	}

	return max98090_mic_detect(codec, &mt8173_max98090_jack);
}

/* Digital audio interface glue - connects codec <---> CPU */
static struct snd_soc_dai_link mt8173_max98090_dais[] = {
	/* Front End DAI links */
	{
		.name = "MAX98090 Playback",
		.stream_name = "MAX98090 Playback",
		.cpu_dai_name = "DL1",
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dynamic = 1,
		.dpcm_playback = 1,
	},
	{
		.name = "MAX98090 Capture",
		.stream_name = "MAX98090 Capture",
		.cpu_dai_name = "VUL",
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dynamic = 1,
		.dpcm_capture = 1,
	},
	/* Back End DAI links */
	{
		.name = "Codec",
		.cpu_dai_name = "I2S",
		.no_pcm = 1,
		.codec_dai_name = "HiFi",
		.init = mt8173_max98090_init,
		.ops = &mt8173_max98090_ops,
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
			   SND_SOC_DAIFMT_CBS_CFS,
		.dpcm_playback = 1,
		.dpcm_capture = 1,
	},
};

static struct snd_soc_card mt8173_max98090_card = {
	.name = "mt8173-max98090",
	.owner = THIS_MODULE,
	.dai_link = mt8173_max98090_dais,
	.num_links = ARRAY_SIZE(mt8173_max98090_dais),
	.controls = mt8173_max98090_controls,
	.num_controls = ARRAY_SIZE(mt8173_max98090_controls),
	.dapm_widgets = mt8173_max98090_widgets,
	.num_dapm_widgets = ARRAY_SIZE(mt8173_max98090_widgets),
	.dapm_routes = mt8173_max98090_routes,
	.num_dapm_routes = ARRAY_SIZE(mt8173_max98090_routes),
};

static int mt8173_max98090_dev_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &mt8173_max98090_card;
	struct device_node *codec_node, *platform_node;
	int ret, i;

	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 (mt8173_max98090_dais[i].platform_name)
			continue;
		mt8173_max98090_dais[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 (mt8173_max98090_dais[i].codec_name)
			continue;
		mt8173_max98090_dais[i].codec_of_node = codec_node;
	}
	card->dev = &pdev->dev;

	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;
}

static const struct of_device_id mt8173_max98090_dt_match[] = {
	{ .compatible = "mediatek,mt8173-max98090", },
	{ }
};
MODULE_DEVICE_TABLE(of, mt8173_max98090_dt_match);

static struct platform_driver mt8173_max98090_driver = {
	.driver = {
		   .name = "mt8173-max98090",
		   .of_match_table = mt8173_max98090_dt_match,
#ifdef CONFIG_PM
		   .pm = &snd_soc_pm_ops,
#endif
	},
	.probe = mt8173_max98090_dev_probe,
};

module_platform_driver(mt8173_max98090_driver);

/* Module information */
MODULE_DESCRIPTION("MT8173 MAX98090 ALSA SoC machine driver");
MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:mt8173-max98090");
Commit	Line	Data
a54f6f0c KC	1	/*
	2	* mt8173-max98090.c -- MT8173 MAX98090 ALSA SoC machine driver
	3	*
	4	* Copyright (c) 2015 MediaTek Inc.
	5	* Author: Koro Chen <koro.chen@mediatek.com>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 and
	9	* only version 2 as published by the Free Software Foundation.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*/
	16
	17	#include <linux/module.h>
	18	#include <sound/soc.h>
	19	#include <sound/jack.h>
	20	#include <linux/gpio.h>
0d1d7a66	21	#include "../../codecs/max98090.h"
a54f6f0c KC	22
	23	static struct snd_soc_jack mt8173_max98090_jack;
	24
	25	static struct snd_soc_jack_pin mt8173_max98090_jack_pins[] = {
	26	{
	27	.pin = "Headphone",
	28	.mask = SND_JACK_HEADPHONE,
	29	},
	30	{
	31	.pin = "Headset Mic",
	32	.mask = SND_JACK_MICROPHONE,
	33	},
	34	};
	35
	36	static const struct snd_soc_dapm_widget mt8173_max98090_widgets[] = {
	37	SND_SOC_DAPM_SPK("Speaker", NULL),
	38	SND_SOC_DAPM_MIC("Int Mic", NULL),
	39	SND_SOC_DAPM_HP("Headphone", NULL),
	40	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	41	};
	42
	43	static const struct snd_soc_dapm_route mt8173_max98090_routes[] = {
	44	{"Speaker", NULL, "SPKL"},
	45	{"Speaker", NULL, "SPKR"},
	46	{"DMICL", NULL, "Int Mic"},
	47	{"Headphone", NULL, "HPL"},
	48	{"Headphone", NULL, "HPR"},
	49	{"Headset Mic", NULL, "MICBIAS"},
	50	{"IN34", NULL, "Headset Mic"},
	51	};
	52
	53	static const struct snd_kcontrol_new mt8173_max98090_controls[] = {
	54	SOC_DAPM_PIN_SWITCH("Speaker"),
	55	SOC_DAPM_PIN_SWITCH("Int Mic"),
	56	SOC_DAPM_PIN_SWITCH("Headphone"),
	57	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	58	};
	59
	60	static int mt8173_max98090_hw_params(struct snd_pcm_substream *substream,
	61	struct snd_pcm_hw_params *params)
	62	{
	63	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	64	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	65
	66	return snd_soc_dai_set_sysclk(codec_dai, 0, params_rate(params) * 256,
	67	SND_SOC_CLOCK_IN);
	68	}
	69
	70	static struct snd_soc_ops mt8173_max98090_ops = {
	71	.hw_params = mt8173_max98090_hw_params,
	72	};
	73
	74	static int mt8173_max98090_init(struct snd_soc_pcm_runtime *runtime)
	75	{
	76	int ret;
	77	struct snd_soc_card *card = runtime->card;
	78	struct snd_soc_codec *codec = runtime->codec;
	79
	80	/* enable jack detection */
	81	ret = snd_soc_card_jack_new(card, "Headphone", SND_JACK_HEADPHONE,
b1b9e0d3 EBS	82	&mt8173_max98090_jack,
	83	mt8173_max98090_jack_pins,
	84	ARRAY_SIZE(mt8173_max98090_jack_pins));
a54f6f0c	85	if (ret) {
b1b9e0d3	86	dev_err(card->dev, "Can't create a new Jack %d\n", ret);
a54f6f0c KC	87	return ret;
	88	}
	89
	90	return max98090_mic_detect(codec, &mt8173_max98090_jack);
	91	}
	92
	93	/* Digital audio interface glue - connects codec <---> CPU */
	94	static struct snd_soc_dai_link mt8173_max98090_dais[] = {
	95	/* Front End DAI links */
	96	{
	97	.name = "MAX98090 Playback",
	98	.stream_name = "MAX98090 Playback",
	99	.cpu_dai_name = "DL1",
a54f6f0c KC	100	.codec_name = "snd-soc-dummy",
	101	.codec_dai_name = "snd-soc-dummy-dai",
	102	.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	103	.dynamic = 1,
	104	.dpcm_playback = 1,
	105	},
	106	{
	107	.name = "MAX98090 Capture",
	108	.stream_name = "MAX98090 Capture",
	109	.cpu_dai_name = "VUL",
a54f6f0c KC	110	.codec_name = "snd-soc-dummy",
	111	.codec_dai_name = "snd-soc-dummy-dai",
	112	.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	113	.dynamic = 1,
	114	.dpcm_capture = 1,
	115	},
	116	/* Back End DAI links */
	117	{
	118	.name = "Codec",
	119	.cpu_dai_name = "I2S",
a54f6f0c KC	120	.no_pcm = 1,
	121	.codec_dai_name = "HiFi",
	122	.init = mt8173_max98090_init,
	123	.ops = &mt8173_max98090_ops,
	124	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
	125	SND_SOC_DAIFMT_CBS_CFS,
	126	.dpcm_playback = 1,
	127	.dpcm_capture = 1,
	128	},
	129	};
	130
	131	static struct snd_soc_card mt8173_max98090_card = {
	132	.name = "mt8173-max98090",
54d8697f	133	.owner = THIS_MODULE,
a54f6f0c KC	134	.dai_link = mt8173_max98090_dais,
	135	.num_links = ARRAY_SIZE(mt8173_max98090_dais),
	136	.controls = mt8173_max98090_controls,
	137	.num_controls = ARRAY_SIZE(mt8173_max98090_controls),
	138	.dapm_widgets = mt8173_max98090_widgets,
	139	.num_dapm_widgets = ARRAY_SIZE(mt8173_max98090_widgets),
	140	.dapm_routes = mt8173_max98090_routes,
	141	.num_dapm_routes = ARRAY_SIZE(mt8173_max98090_routes),
	142	};
	143
	144	static int mt8173_max98090_dev_probe(struct platform_device *pdev)
	145	{
	146	struct snd_soc_card *card = &mt8173_max98090_card;
94319ba1	147	struct device_node codec_node, platform_node;
a54f6f0c KC	148	int ret, i;
a54f6f0c KC	149
94319ba1 KC	150	platform_node = of_parse_phandle(pdev->dev.of_node,
	151	"mediatek,platform", 0);
	152	if (!platform_node) {
	153	dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
	154	return -EINVAL;
	155	}
	156	for (i = 0; i < card->num_links; i++) {
	157	if (mt8173_max98090_dais[i].platform_name)
	158	continue;
	159	mt8173_max98090_dais[i].platform_of_node = platform_node;
	160	}
	161
a54f6f0c KC	162	codec_node = of_parse_phandle(pdev->dev.of_node,
	163	"mediatek,audio-codec", 0);
	164	if (!codec_node) {
	165	dev_err(&pdev->dev,
	166	"Property 'audio-codec' missing or invalid\n");
	167	return -EINVAL;
	168	}
	169	for (i = 0; i < card->num_links; i++) {
	170	if (mt8173_max98090_dais[i].codec_name)
	171	continue;
	172	mt8173_max98090_dais[i].codec_of_node = codec_node;
	173	}
	174	card->dev = &pdev->dev;
	175
887e83e3	176	ret = devm_snd_soc_register_card(&pdev->dev, card);
a54f6f0c KC	177	if (ret)
	178	dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
	179	__func__, ret);
	180	return ret;
	181	}
	182
a54f6f0c KC	183	static const struct of_device_id mt8173_max98090_dt_match[] = {
	184	{ .compatible = "mediatek,mt8173-max98090", },
	185	{ }
	186	};
	187	MODULE_DEVICE_TABLE(of, mt8173_max98090_dt_match);
	188
	189	static struct platform_driver mt8173_max98090_driver = {
	190	.driver = {
	191	.name = "mt8173-max98090",
a54f6f0c KC	192	.of_match_table = mt8173_max98090_dt_match,
	193	#ifdef CONFIG_PM
	194	.pm = &snd_soc_pm_ops,
	195	#endif
	196	},
	197	.probe = mt8173_max98090_dev_probe,
a54f6f0c KC	198	};
	199
	200	module_platform_driver(mt8173_max98090_driver);
	201
	202	/* Module information */
	203	MODULE_DESCRIPTION("MT8173 MAX98090 ALSA SoC machine driver");
	204	MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
	205	MODULE_LICENSE("GPL v2");
	206	MODULE_ALIAS("platform:mt8173-max98090");
	207