[deliverable/linux.git] / sound / soc / mediatek / mt8173-rt5650.c

/*
 * mt8173-rt5650.c  --  MT8173 machine driver with RT5650 codecs
 *
 * Copyright (c) 2016 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 <linux/gpio.h>
#include <linux/of_gpio.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include "../codecs/rt5645.h"

#define MCLK_FOR_CODECS		12288000

static const struct snd_soc_dapm_widget mt8173_rt5650_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_rt5650_routes[] = {
	{"Speaker", NULL, "SPOL"},
	{"Speaker", NULL, "SPOR"},
	{"DMIC L1", NULL, "Int Mic"},
	{"DMIC R1", NULL, "Int Mic"},
	{"Headphone", NULL, "HPOL"},
	{"Headphone", NULL, "HPOR"},
	{"Headset Mic", NULL, "micbias1"},
	{"Headset Mic", NULL, "micbias2"},
	{"IN1P", NULL, "Headset Mic"},
	{"IN1N", NULL, "Headset Mic"},
};

static const struct snd_kcontrol_new mt8173_rt5650_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_rt5650_hw_params(struct snd_pcm_substream *substream,
				   struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	int i, ret;

	for (i = 0; i < rtd->num_codecs; i++) {
		struct snd_soc_dai *codec_dai = rtd->codec_dais[i];

		/* pll from mclk 12.288M */
		ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
					  params_rate(params) * 512);
		if (ret)
			return ret;

		/* sysclk from pll */
		ret = snd_soc_dai_set_sysclk(codec_dai, 1,
					     params_rate(params) * 512,
					     SND_SOC_CLOCK_IN);
		if (ret)
			return ret;
	}
	return 0;
}

static struct snd_soc_ops mt8173_rt5650_ops = {
	.hw_params = mt8173_rt5650_hw_params,
};

static struct snd_soc_jack mt8173_rt5650_jack;

static int mt8173_rt5650_init(struct snd_soc_pcm_runtime *runtime)
{
	struct snd_soc_card *card = runtime->card;
	struct snd_soc_codec *codec = runtime->codec_dais[0]->codec;
	int ret;

	rt5645_sel_asrc_clk_src(codec,
				RT5645_DA_STEREO_FILTER |
				RT5645_AD_STEREO_FILTER,
				RT5645_CLK_SEL_I2S1_ASRC);
	/* enable jack detection */
	ret = snd_soc_card_jack_new(card, "Headset Jack",
				    SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
				    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
				    SND_JACK_BTN_2 | SND_JACK_BTN_3,
				    &mt8173_rt5650_jack, NULL, 0);
	if (ret) {
		dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
		return ret;
	}

	return rt5645_set_jack_detect(codec,
				      &mt8173_rt5650_jack,
				      &mt8173_rt5650_jack,
				      &mt8173_rt5650_jack);
}

static struct snd_soc_dai_link_component mt8173_rt5650_codecs[] = {
	{
		.dai_name = "rt5645-aif1",
	},
};

enum {
	DAI_LINK_PLAYBACK,
	DAI_LINK_CAPTURE,
	DAI_LINK_CODEC_I2S,
};

/* Digital audio interface glue - connects codec <---> CPU */
static struct snd_soc_dai_link mt8173_rt5650_dais[] = {
	/* Front End DAI links */
	[DAI_LINK_PLAYBACK] = {
		.name = "rt5650 Playback",
		.stream_name = "rt5650 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,
	},
	[DAI_LINK_CAPTURE] = {
		.name = "rt5650 Capture",
		.stream_name = "rt5650 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 */
	[DAI_LINK_CODEC_I2S] = {
		.name = "Codec",
		.cpu_dai_name = "I2S",
		.no_pcm = 1,
		.codecs = mt8173_rt5650_codecs,
		.num_codecs = 1,
		.init = mt8173_rt5650_init,
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
			   SND_SOC_DAIFMT_CBS_CFS,
		.ops = &mt8173_rt5650_ops,
		.ignore_pmdown_time = 1,
		.dpcm_playback = 1,
		.dpcm_capture = 1,
	},
};

static struct snd_soc_card mt8173_rt5650_card = {
	.name = "mtk-rt5650",
	.owner = THIS_MODULE,
	.dai_link = mt8173_rt5650_dais,
	.num_links = ARRAY_SIZE(mt8173_rt5650_dais),
	.controls = mt8173_rt5650_controls,
	.num_controls = ARRAY_SIZE(mt8173_rt5650_controls),
	.dapm_widgets = mt8173_rt5650_widgets,
	.num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_widgets),
	.dapm_routes = mt8173_rt5650_routes,
	.num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_routes),
};

static int mt8173_rt5650_dev_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &mt8173_rt5650_card;
	struct device_node *platform_node;
	int i, ret;

	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_rt5650_dais[i].platform_name)
			continue;
		mt8173_rt5650_dais[i].platform_of_node = platform_node;
	}

	mt8173_rt5650_codecs[0].of_node =
		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
	if (!mt8173_rt5650_codecs[0].of_node) {
		dev_err(&pdev->dev,
			"Property 'audio-codec' missing or invalid\n");
		return -EINVAL;
	}
	card->dev = &pdev->dev;
	platform_set_drvdata(pdev, card);

	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_rt5650_dt_match[] = {
	{ .compatible = "mediatek,mt8173-rt5650", },
	{ }
};
MODULE_DEVICE_TABLE(of, mt8173_rt5650_dt_match);

static struct platform_driver mt8173_rt5650_driver = {
	.driver = {
		   .name = "mtk-rt5650",
		   .of_match_table = mt8173_rt5650_dt_match,
#ifdef CONFIG_PM
		   .pm = &snd_soc_pm_ops,
#endif
	},
	.probe = mt8173_rt5650_dev_probe,
};

module_platform_driver(mt8173_rt5650_driver);

/* Module information */
MODULE_DESCRIPTION("MT8173 RT5650 SoC machine driver");
MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:mtk-rt5650");
Commit	Line	Data
0f83f929 KC	1	/*
	2	* mt8173-rt5650.c -- MT8173 machine driver with RT5650 codecs
	3	*
	4	* Copyright (c) 2016 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 <linux/gpio.h>
	19	#include <linux/of_gpio.h>
	20	#include <sound/soc.h>
	21	#include <sound/jack.h>
	22	#include "../codecs/rt5645.h"
	23
	24	#define MCLK_FOR_CODECS 12288000
	25
	26	static const struct snd_soc_dapm_widget mt8173_rt5650_widgets[] = {
	27	SND_SOC_DAPM_SPK("Speaker", NULL),
	28	SND_SOC_DAPM_MIC("Int Mic", NULL),
	29	SND_SOC_DAPM_HP("Headphone", NULL),
	30	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	31	};
	32
	33	static const struct snd_soc_dapm_route mt8173_rt5650_routes[] = {
	34	{"Speaker", NULL, "SPOL"},
	35	{"Speaker", NULL, "SPOR"},
	36	{"DMIC L1", NULL, "Int Mic"},
	37	{"DMIC R1", NULL, "Int Mic"},
	38	{"Headphone", NULL, "HPOL"},
	39	{"Headphone", NULL, "HPOR"},
	40	{"Headset Mic", NULL, "micbias1"},
	41	{"Headset Mic", NULL, "micbias2"},
	42	{"IN1P", NULL, "Headset Mic"},
	43	{"IN1N", NULL, "Headset Mic"},
	44	};
	45
	46	static const struct snd_kcontrol_new mt8173_rt5650_controls[] = {
	47	SOC_DAPM_PIN_SWITCH("Speaker"),
	48	SOC_DAPM_PIN_SWITCH("Int Mic"),
	49	SOC_DAPM_PIN_SWITCH("Headphone"),
	50	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	51	};
	52
	53	static int mt8173_rt5650_hw_params(struct snd_pcm_substream *substream,
	54	struct snd_pcm_hw_params *params)
	55	{
	56	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	57	int i, ret;
	58
	59	for (i = 0; i < rtd->num_codecs; i++) {
	60	struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
	61
	62	/* pll from mclk 12.288M */
	63	ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
	64	params_rate(params) * 512);
65	if (ret)
66	return ret;
67
68	/* sysclk from pll */
69	ret = snd_soc_dai_set_sysclk(codec_dai, 1,
70	params_rate(params) * 512,
71	SND_SOC_CLOCK_IN);
72	if (ret)
73	return ret;
74	}
75	return 0;
76	}
77
78	static struct snd_soc_ops mt8173_rt5650_ops = {
79	.hw_params = mt8173_rt5650_hw_params,
80	};
81
82	static struct snd_soc_jack mt8173_rt5650_jack;
83
84	static int mt8173_rt5650_init(struct snd_soc_pcm_runtime *runtime)
85	{
86	struct snd_soc_card *card = runtime->card;
87	struct snd_soc_codec *codec = runtime->codec_dais[0]->codec;
88	int ret;
89
90	rt5645_sel_asrc_clk_src(codec,
91	RT5645_DA_STEREO_FILTER \|
92	RT5645_AD_STEREO_FILTER,
93	RT5645_CLK_SEL_I2S1_ASRC);
94	/* enable jack detection */
95	ret = snd_soc_card_jack_new(card, "Headset Jack",
96	SND_JACK_HEADPHONE \| SND_JACK_MICROPHONE \|
97	SND_JACK_BTN_0 \| SND_JACK_BTN_1 \|
98	SND_JACK_BTN_2 \| SND_JACK_BTN_3,
99	&mt8173_rt5650_jack, NULL, 0);
100	if (ret) {
101	dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
102	return ret;
103	}
104
105	return rt5645_set_jack_detect(codec,
106	&mt8173_rt5650_jack,
107	&mt8173_rt5650_jack,
108	&mt8173_rt5650_jack);
109	}
110
111	static struct snd_soc_dai_link_component mt8173_rt5650_codecs[] = {
112	{
113	.dai_name = "rt5645-aif1",
114	},
115	};
116
117	enum {
118	DAI_LINK_PLAYBACK,
119	DAI_LINK_CAPTURE,
120	DAI_LINK_CODEC_I2S,
121	};
122
123	/* Digital audio interface glue - connects codec <---> CPU */
124	static struct snd_soc_dai_link mt8173_rt5650_dais[] = {
125	/* Front End DAI links */
126	[DAI_LINK_PLAYBACK] = {
127	.name = "rt5650 Playback",
128	.stream_name = "rt5650 Playback",
129	.cpu_dai_name = "DL1",
130	.codec_name = "snd-soc-dummy",
131	.codec_dai_name = "snd-soc-dummy-dai",
132	.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
133	.dynamic = 1,
134	.dpcm_playback = 1,
135	},
136	[DAI_LINK_CAPTURE] = {
137	.name = "rt5650 Capture",
138	.stream_name = "rt5650 Capture",
139	.cpu_dai_name = "VUL",
140	.codec_name = "snd-soc-dummy",
141	.codec_dai_name = "snd-soc-dummy-dai",
142	.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
143	.dynamic = 1,
144	.dpcm_capture = 1,
145	},
146	/* Back End DAI links */
147	[DAI_LINK_CODEC_I2S] = {
148	.name = "Codec",
149	.cpu_dai_name = "I2S",
150	.no_pcm = 1,
151	.codecs = mt8173_rt5650_codecs,
152	.num_codecs = 1,
153	.init = mt8173_rt5650_init,
154	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
155	SND_SOC_DAIFMT_CBS_CFS,
156	.ops = &mt8173_rt5650_ops,
157	.ignore_pmdown_time = 1,
158	.dpcm_playback = 1,
159	.dpcm_capture = 1,
160	},
161	};
162
163	static struct snd_soc_card mt8173_rt5650_card = {
164	.name = "mtk-rt5650",
165	.owner = THIS_MODULE,
166	.dai_link = mt8173_rt5650_dais,
167	.num_links = ARRAY_SIZE(mt8173_rt5650_dais),
168	.controls = mt8173_rt5650_controls,
169	.num_controls = ARRAY_SIZE(mt8173_rt5650_controls),
170	.dapm_widgets = mt8173_rt5650_widgets,
171	.num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_widgets),
172	.dapm_routes = mt8173_rt5650_routes,
173	.num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_routes),
174	};
175
176	static int mt8173_rt5650_dev_probe(struct platform_device *pdev)
177	{
178	struct snd_soc_card *card = &mt8173_rt5650_card;
179	struct device_node *platform_node;
180	int i, ret;
181
182	platform_node = of_parse_phandle(pdev->dev.of_node,
183	"mediatek,platform", 0);
184	if (!platform_node) {
185	dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
186	return -EINVAL;
187	}
188
189	for (i = 0; i < card->num_links; i++) {
190	if (mt8173_rt5650_dais[i].platform_name)
191	continue;
192	mt8173_rt5650_dais[i].platform_of_node = platform_node;
193	}
194
195	mt8173_rt5650_codecs[0].of_node =
196	of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
197	if (!mt8173_rt5650_codecs[0].of_node) {
198	dev_err(&pdev->dev,
199	"Property 'audio-codec' missing or invalid\n");
200	return -EINVAL;
201	}
202	card->dev = &pdev->dev;
203	platform_set_drvdata(pdev, card);
204
205	ret = devm_snd_soc_register_card(&pdev->dev, card);
206	if (ret)
207	dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
208	__func__, ret);
209	return ret;
210	}
211
212	static const struct of_device_id mt8173_rt5650_dt_match[] = {
213	{ .compatible = "mediatek,mt8173-rt5650", },
214	{ }
215	};
216	MODULE_DEVICE_TABLE(of, mt8173_rt5650_dt_match);
217
218	static struct platform_driver mt8173_rt5650_driver = {
219	.driver = {
220	.name = "mtk-rt5650",
221	.of_match_table = mt8173_rt5650_dt_match,
222	#ifdef CONFIG_PM
223	.pm = &snd_soc_pm_ops,
224	#endif
225	},
226	.probe = mt8173_rt5650_dev_probe,
227	};
228
229	module_platform_driver(mt8173_rt5650_driver);
230
231	/* Module information */
232	MODULE_DESCRIPTION("MT8173 RT5650 SoC machine driver");
233	MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
234	MODULE_LICENSE("GPL v2");
235	MODULE_ALIAS("platform:mtk-rt5650");
236