mt8173-rt5650-rt5514.c

  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * mt8173-rt5650-rt5514.c  --  MT8173 machine driver with RT5650/5514 codecs
  4 *
  5 * Copyright (c) 2016 MediaTek Inc.
  6 * Author: Koro Chen <koro.chen@mediatek.com>
  7 */
  8
  9#include <linux/module.h>
 10#include <sound/soc.h>
 11#include <sound/jack.h>
 12#include "../../codecs/rt5645.h"
 13
 14#define MCLK_FOR_CODECS		12288000
 15
 16static const struct snd_soc_dapm_widget mt8173_rt5650_rt5514_widgets[] = {
 17	SND_SOC_DAPM_SPK("Speaker", NULL),
 18	SND_SOC_DAPM_MIC("Int Mic", NULL),
 19	SND_SOC_DAPM_HP("Headphone", NULL),
 20	SND_SOC_DAPM_MIC("Headset Mic", NULL),
 21};
 22
 23static const struct snd_soc_dapm_route mt8173_rt5650_rt5514_routes[] = {
 24	{"Speaker", NULL, "SPOL"},
 25	{"Speaker", NULL, "SPOR"},
 26	{"Sub DMIC1L", NULL, "Int Mic"},
 27	{"Sub DMIC1R", NULL, "Int Mic"},
 28	{"Headphone", NULL, "HPOL"},
 29	{"Headphone", NULL, "HPOR"},
 30	{"IN1P", NULL, "Headset Mic"},
 31	{"IN1N", NULL, "Headset Mic"},
 32};
 33
 34static const struct snd_kcontrol_new mt8173_rt5650_rt5514_controls[] = {
 35	SOC_DAPM_PIN_SWITCH("Speaker"),
 36	SOC_DAPM_PIN_SWITCH("Int Mic"),
 37	SOC_DAPM_PIN_SWITCH("Headphone"),
 38	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 39};
 40
 41static struct snd_soc_jack_pin mt8173_rt5650_rt5514_jack_pins[] = {
 42	{
 43		.pin	= "Headphone",
 44		.mask	= SND_JACK_HEADPHONE,
 45	},
 46	{
 47		.pin	= "Headset Mic",
 48		.mask	= SND_JACK_MICROPHONE,
 49	},
 50};
 51
 52static int mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream *substream,
 53					  struct snd_pcm_hw_params *params)
 54{
 55	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 56	struct snd_soc_dai *codec_dai;
 57	int i, ret;
 58
 59	for_each_rtd_codec_dais(rtd, i, codec_dai) {
 60		/* pll from mclk 12.288M */
 61		ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
 62					  params_rate(params) * 512);
 63		if (ret)
 64			return ret;
 65
 66		/* sysclk from pll */
 67		ret = snd_soc_dai_set_sysclk(codec_dai, 1,
 68					     params_rate(params) * 512,
 69					     SND_SOC_CLOCK_IN);
 70		if (ret)
 71			return ret;
 72	}
 73	return 0;
 74}
 75
 76static const struct snd_soc_ops mt8173_rt5650_rt5514_ops = {
 77	.hw_params = mt8173_rt5650_rt5514_hw_params,
 78};
 79
 80static struct snd_soc_jack mt8173_rt5650_rt5514_jack;
 81
 82static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime)
 83{
 84	struct snd_soc_card *card = runtime->card;
 85	struct snd_soc_component *component = snd_soc_rtd_to_codec(runtime, 0)->component;
 86	int ret;
 87
 88	rt5645_sel_asrc_clk_src(component,
 89				RT5645_DA_STEREO_FILTER |
 90				RT5645_AD_STEREO_FILTER,
 91				RT5645_CLK_SEL_I2S1_ASRC);
 92
 93	/* enable jack detection */
 94	ret = snd_soc_card_jack_new_pins(card, "Headset Jack",
 95					 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
 96					 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 97					 SND_JACK_BTN_2 | SND_JACK_BTN_3,
 98					 &mt8173_rt5650_rt5514_jack,
 99					 mt8173_rt5650_rt5514_jack_pins,
100					 ARRAY_SIZE(mt8173_rt5650_rt5514_jack_pins));
101	if (ret) {
102		dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
103		return ret;
104	}
105
106	return rt5645_set_jack_detect(component,
107				      &mt8173_rt5650_rt5514_jack,
108				      &mt8173_rt5650_rt5514_jack,
109				      &mt8173_rt5650_rt5514_jack);
110}
111
112enum {
113	DAI_LINK_PLAYBACK,
114	DAI_LINK_CAPTURE,
115	DAI_LINK_CODEC_I2S,
116};
117
118SND_SOC_DAILINK_DEFS(playback,
119	DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
120	DAILINK_COMP_ARRAY(COMP_DUMMY()),
121	DAILINK_COMP_ARRAY(COMP_EMPTY()));
122
123SND_SOC_DAILINK_DEFS(capture,
124	DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
125	DAILINK_COMP_ARRAY(COMP_DUMMY()),
126	DAILINK_COMP_ARRAY(COMP_EMPTY()));
127
128SND_SOC_DAILINK_DEFS(codec,
129	DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
130	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
131			   COMP_CODEC(NULL, "rt5514-aif1")),
132	DAILINK_COMP_ARRAY(COMP_EMPTY()));
133
134/* Digital audio interface glue - connects codec <---> CPU */
135static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = {
136	/* Front End DAI links */
137	[DAI_LINK_PLAYBACK] = {
138		.name = "rt5650_rt5514 Playback",
139		.stream_name = "rt5650_rt5514 Playback",
140		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
141		.dynamic = 1,
142		.playback_only = 1,
143		SND_SOC_DAILINK_REG(playback),
144	},
145	[DAI_LINK_CAPTURE] = {
146		.name = "rt5650_rt5514 Capture",
147		.stream_name = "rt5650_rt5514 Capture",
148		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
149		.dynamic = 1,
150		.capture_only = 1,
151		SND_SOC_DAILINK_REG(capture),
152	},
153	/* Back End DAI links */
154	[DAI_LINK_CODEC_I2S] = {
155		.name = "Codec",
156		.no_pcm = 1,
157		.init = mt8173_rt5650_rt5514_init,
158		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
159			   SND_SOC_DAIFMT_CBC_CFC,
160		.ops = &mt8173_rt5650_rt5514_ops,
161		.ignore_pmdown_time = 1,
162		SND_SOC_DAILINK_REG(codec),
163	},
164};
165
166static struct snd_soc_codec_conf mt8173_rt5650_rt5514_codec_conf[] = {
167	{
168		.name_prefix = "Sub",
169	},
170};
171
172static struct snd_soc_card mt8173_rt5650_rt5514_card = {
173	.name = "mtk-rt5650-rt5514",
174	.owner = THIS_MODULE,
175	.dai_link = mt8173_rt5650_rt5514_dais,
176	.num_links = ARRAY_SIZE(mt8173_rt5650_rt5514_dais),
177	.codec_conf = mt8173_rt5650_rt5514_codec_conf,
178	.num_configs = ARRAY_SIZE(mt8173_rt5650_rt5514_codec_conf),
179	.controls = mt8173_rt5650_rt5514_controls,
180	.num_controls = ARRAY_SIZE(mt8173_rt5650_rt5514_controls),
181	.dapm_widgets = mt8173_rt5650_rt5514_widgets,
182	.num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5514_widgets),
183	.dapm_routes = mt8173_rt5650_rt5514_routes,
184	.num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5514_routes),
185};
186
187static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev)
188{
189	struct snd_soc_card *card = &mt8173_rt5650_rt5514_card;
190	struct device_node *platform_node;
191	struct snd_soc_dai_link *dai_link;
192	int i, ret;
193
194	platform_node = of_parse_phandle(pdev->dev.of_node,
195					 "mediatek,platform", 0);
196	if (!platform_node) {
197		dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
198		return -EINVAL;
199	}
200
201	for_each_card_prelinks(card, i, dai_link) {
202		if (dai_link->platforms->name)
203			continue;
204		dai_link->platforms->of_node = platform_node;
205	}
206
207	mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
208		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
209	if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
210		dev_err(&pdev->dev,
211			"Property 'audio-codec' missing or invalid\n");
212		ret = -EINVAL;
213		goto out;
214	}
215	mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
216		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
217	if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) {
218		dev_err(&pdev->dev,
219			"Property 'audio-codec' missing or invalid\n");
220		ret = -EINVAL;
221		goto out;
222	}
223	mt8173_rt5650_rt5514_codec_conf[0].dlc.of_node =
224		mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
225
226	card->dev = &pdev->dev;
227
228	ret = devm_snd_soc_register_card(&pdev->dev, card);
229
230out:
231	of_node_put(platform_node);
232	return ret;
233}
234
235static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = {
236	{ .compatible = "mediatek,mt8173-rt5650-rt5514", },
237	{ }
238};
239MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match);
240
241static struct platform_driver mt8173_rt5650_rt5514_driver = {
242	.driver = {
243		   .name = "mtk-rt5650-rt5514",
244		   .of_match_table = mt8173_rt5650_rt5514_dt_match,
245		   .pm = &snd_soc_pm_ops,
246	},
247	.probe = mt8173_rt5650_rt5514_dev_probe,
248};
249
250module_platform_driver(mt8173_rt5650_rt5514_driver);
251
252/* Module information */
253MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver");
254MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
255MODULE_LICENSE("GPL v2");
256MODULE_ALIAS("platform:mtk-rt5650-rt5514");
257