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