mt8173-rt5650-rt5676.c

  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * mt8173-rt5650-rt5676.c  --  MT8173 machine driver with RT5650/5676 codecs
  4 *
  5 * Copyright (c) 2015 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#include "../../codecs/rt5677.h"
 14
 15#define MCLK_FOR_CODECS		12288000
 16
 17static const struct snd_soc_dapm_widget mt8173_rt5650_rt5676_widgets[] = {
 18	SND_SOC_DAPM_SPK("Speaker", NULL),
 19	SND_SOC_DAPM_MIC("Int Mic", NULL),
 20	SND_SOC_DAPM_HP("Headphone", NULL),
 21	SND_SOC_DAPM_MIC("Headset Mic", NULL),
 22};
 23
 24static const struct snd_soc_dapm_route mt8173_rt5650_rt5676_routes[] = {
 25	{"Speaker", NULL, "SPOL"},
 26	{"Speaker", NULL, "SPOR"},
 27	{"Speaker", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650  */
 28	{"Sub DMIC L1", NULL, "Int Mic"}, /* DMIC from 5676 */
 29	{"Sub DMIC R1", NULL, "Int Mic"},
 30	{"Headphone", NULL, "HPOL"},
 31	{"Headphone", NULL, "HPOR"},
 32	{"Headphone", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650  */
 33	{"IN1P", NULL, "Headset Mic"},
 34	{"IN1N", NULL, "Headset Mic"},
 35	{"Sub AIF2RX", NULL, "Headset Mic"}, /* IF2 DAC from 5650  */
 36};
 37
 38static const struct snd_kcontrol_new mt8173_rt5650_rt5676_controls[] = {
 39	SOC_DAPM_PIN_SWITCH("Speaker"),
 40	SOC_DAPM_PIN_SWITCH("Int Mic"),
 41	SOC_DAPM_PIN_SWITCH("Headphone"),
 42	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 43};
 44
 45static struct snd_soc_jack_pin mt8173_rt5650_rt5676_jack_pins[] = {
 46	{
 47		.pin	= "Headphone",
 48		.mask	= SND_JACK_HEADPHONE,
 49	},
 50	{
 51		.pin	= "Headset Mic",
 52		.mask	= SND_JACK_MICROPHONE,
 53	},
 54};
 55
 56static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream,
 57					  struct snd_pcm_hw_params *params)
 58{
 59	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 60	struct snd_soc_dai *codec_dai;
 61	int i, ret;
 62
 63	for_each_rtd_codec_dais(rtd, i, codec_dai) {
 64		/* pll from mclk 12.288M */
 65		ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
 66					  params_rate(params) * 512);
 67		if (ret)
 68			return ret;
 69
 70		/* sysclk from pll */
 71		ret = snd_soc_dai_set_sysclk(codec_dai, 1,
 72					     params_rate(params) * 512,
 73					     SND_SOC_CLOCK_IN);
 74		if (ret)
 75			return ret;
 76	}
 77	return 0;
 78}
 79
 80static const struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
 81	.hw_params = mt8173_rt5650_rt5676_hw_params,
 82};
 83
 84static struct snd_soc_jack mt8173_rt5650_rt5676_jack;
 85
 86static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime)
 87{
 88	struct snd_soc_card *card = runtime->card;
 89	struct snd_soc_component *component = snd_soc_rtd_to_codec(runtime, 0)->component;
 90	struct snd_soc_component *component_sub = snd_soc_rtd_to_codec(runtime, 1)->component;
 91	int ret;
 92
 93	rt5645_sel_asrc_clk_src(component,
 94				RT5645_DA_STEREO_FILTER |
 95				RT5645_AD_STEREO_FILTER,
 96				RT5645_CLK_SEL_I2S1_ASRC);
 97	rt5677_sel_asrc_clk_src(component_sub,
 98				RT5677_DA_STEREO_FILTER |
 99				RT5677_AD_STEREO1_FILTER,
100				RT5677_CLK_SEL_I2S1_ASRC);
101	rt5677_sel_asrc_clk_src(component_sub,
102				RT5677_AD_STEREO2_FILTER |
103				RT5677_I2S2_SOURCE,
104				RT5677_CLK_SEL_I2S2_ASRC);
105
106	/* enable jack detection */
107	ret = snd_soc_card_jack_new_pins(card, "Headset Jack",
108					 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
109					 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
110					 SND_JACK_BTN_2 | SND_JACK_BTN_3,
111					 &mt8173_rt5650_rt5676_jack,
112					 mt8173_rt5650_rt5676_jack_pins,
113					 ARRAY_SIZE(mt8173_rt5650_rt5676_jack_pins));
114	if (ret) {
115		dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
116		return ret;
117	}
118
119	return rt5645_set_jack_detect(component,
120				      &mt8173_rt5650_rt5676_jack,
121				      &mt8173_rt5650_rt5676_jack,
122				      &mt8173_rt5650_rt5676_jack);
123}
124
125
126enum {
127	DAI_LINK_PLAYBACK,
128	DAI_LINK_CAPTURE,
129	DAI_LINK_HDMI,
130	DAI_LINK_CODEC_I2S,
131	DAI_LINK_HDMI_I2S,
132	DAI_LINK_INTERCODEC
133};
134
135SND_SOC_DAILINK_DEFS(playback,
136	DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
137	DAILINK_COMP_ARRAY(COMP_DUMMY()),
138	DAILINK_COMP_ARRAY(COMP_EMPTY()));
139
140SND_SOC_DAILINK_DEFS(capture,
141	DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
142	DAILINK_COMP_ARRAY(COMP_DUMMY()),
143	DAILINK_COMP_ARRAY(COMP_EMPTY()));
144
145SND_SOC_DAILINK_DEFS(hdmi_pcm,
146	DAILINK_COMP_ARRAY(COMP_CPU("HDMI")),
147	DAILINK_COMP_ARRAY(COMP_DUMMY()),
148	DAILINK_COMP_ARRAY(COMP_EMPTY()));
149
150SND_SOC_DAILINK_DEFS(codec,
151	DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
152	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
153			   COMP_CODEC(NULL, "rt5677-aif1")),
154	DAILINK_COMP_ARRAY(COMP_EMPTY()));
155
156SND_SOC_DAILINK_DEFS(hdmi_be,
157	DAILINK_COMP_ARRAY(COMP_CPU("HDMIO")),
158	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
159	DAILINK_COMP_ARRAY(COMP_EMPTY()));
160
161SND_SOC_DAILINK_DEFS(intercodec,
162	DAILINK_COMP_ARRAY(COMP_DUMMY()),
163	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5677-aif2")),
164	DAILINK_COMP_ARRAY(COMP_DUMMY()));
165
166/* Digital audio interface glue - connects codec <---> CPU */
167static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
168	/* Front End DAI links */
169	[DAI_LINK_PLAYBACK] = {
170		.name = "rt5650_rt5676 Playback",
171		.stream_name = "rt5650_rt5676 Playback",
172		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
173		.dynamic = 1,
174		.playback_only = 1,
175		SND_SOC_DAILINK_REG(playback),
176	},
177	[DAI_LINK_CAPTURE] = {
178		.name = "rt5650_rt5676 Capture",
179		.stream_name = "rt5650_rt5676 Capture",
180		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
181		.dynamic = 1,
182		.capture_only = 1,
183		SND_SOC_DAILINK_REG(capture),
184	},
185	[DAI_LINK_HDMI] = {
186		.name = "HDMI",
187		.stream_name = "HDMI PCM",
188		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
189		.dynamic = 1,
190		.playback_only = 1,
191		SND_SOC_DAILINK_REG(hdmi_pcm),
192	},
193
194	/* Back End DAI links */
195	[DAI_LINK_CODEC_I2S] = {
196		.name = "Codec",
197		.no_pcm = 1,
198		.init = mt8173_rt5650_rt5676_init,
199		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
200			   SND_SOC_DAIFMT_CBC_CFC,
201		.ops = &mt8173_rt5650_rt5676_ops,
202		.ignore_pmdown_time = 1,
203		SND_SOC_DAILINK_REG(codec),
204	},
205	[DAI_LINK_HDMI_I2S] = {
206		.name = "HDMI BE",
207		.no_pcm = 1,
208		.playback_only = 1,
209		SND_SOC_DAILINK_REG(hdmi_be),
210	},
211	/* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
212	[DAI_LINK_INTERCODEC] = {
213		.name = "rt5650_rt5676 intercodec",
214		.stream_name = "rt5650_rt5676 intercodec",
215		.no_pcm = 1,
216		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
217			   SND_SOC_DAIFMT_CBP_CFP,
218		SND_SOC_DAILINK_REG(intercodec),
219	},
220};
221
222static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = {
223	{
224		.name_prefix = "Sub",
225	},
226};
227
228static struct snd_soc_card mt8173_rt5650_rt5676_card = {
229	.name = "mtk-rt5650-rt5676",
230	.owner = THIS_MODULE,
231	.dai_link = mt8173_rt5650_rt5676_dais,
232	.num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais),
233	.codec_conf = mt8173_rt5650_rt5676_codec_conf,
234	.num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf),
235	.controls = mt8173_rt5650_rt5676_controls,
236	.num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls),
237	.dapm_widgets = mt8173_rt5650_rt5676_widgets,
238	.num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets),
239	.dapm_routes = mt8173_rt5650_rt5676_routes,
240	.num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes),
241};
242
243static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev)
244{
245	struct snd_soc_card *card = &mt8173_rt5650_rt5676_card;
246	struct device_node *platform_node;
247	struct snd_soc_dai_link *dai_link;
248	int i, ret;
249
250	platform_node = of_parse_phandle(pdev->dev.of_node,
251					 "mediatek,platform", 0);
252	if (!platform_node) {
253		dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
254		return -EINVAL;
255	}
256
257	for_each_card_prelinks(card, i, dai_link) {
258		if (dai_link->platforms->name)
259			continue;
260		dai_link->platforms->of_node = platform_node;
261	}
262
263	mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
264		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
265	if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
266		dev_err(&pdev->dev,
267			"Property 'audio-codec' missing or invalid\n");
268		ret = -EINVAL;
269		goto put_node;
270	}
271	mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
272		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
273	if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) {
274		dev_err(&pdev->dev,
275			"Property 'audio-codec' missing or invalid\n");
276		ret = -EINVAL;
277		goto put_node;
278	}
279	mt8173_rt5650_rt5676_codec_conf[0].dlc.of_node =
280		mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
281
282	mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codecs->of_node =
283		mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
284
285	mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node =
286		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2);
287	if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node) {
288		dev_err(&pdev->dev,
289			"Property 'audio-codec' missing or invalid\n");
290		ret = -EINVAL;
291		goto put_node;
292	}
293
294	card->dev = &pdev->dev;
295
296	ret = devm_snd_soc_register_card(&pdev->dev, card);
297
298put_node:
299	of_node_put(platform_node);
300	return ret;
301}
302
303static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
304	{ .compatible = "mediatek,mt8173-rt5650-rt5676", },
305	{ }
306};
307MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
308
309static struct platform_driver mt8173_rt5650_rt5676_driver = {
310	.driver = {
311		   .name = "mtk-rt5650-rt5676",
312		   .of_match_table = mt8173_rt5650_rt5676_dt_match,
313		   .pm = &snd_soc_pm_ops,
314	},
315	.probe = mt8173_rt5650_rt5676_dev_probe,
316};
317
318module_platform_driver(mt8173_rt5650_rt5676_driver);
319
320/* Module information */
321MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
322MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
323MODULE_LICENSE("GPL v2");
324MODULE_ALIAS("platform:mtk-rt5650-rt5676");
325