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 struct snd_soc_jack_pin mt8173_rt5650_rt5676_jack_pins[] = {
48	{
49		.pin	= "Headphone",
50		.mask	= SND_JACK_HEADPHONE,
51	},
52	{
53		.pin	= "Headset Mic",
54		.mask	= SND_JACK_MICROPHONE,
55	},
56};
57
58static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream,
59					  struct snd_pcm_hw_params *params)
60{
61	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
62	struct snd_soc_dai *codec_dai;
63	int i, ret;
64
65	for_each_rtd_codec_dais(rtd, i, codec_dai) {
66		/* pll from mclk 12.288M */
67		ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
68					  params_rate(params) * 512);
69		if (ret)
70			return ret;
71
72		/* sysclk from pll */
73		ret = snd_soc_dai_set_sysclk(codec_dai, 1,
74					     params_rate(params) * 512,
75					     SND_SOC_CLOCK_IN);
76		if (ret)
77			return ret;
78	}
79	return 0;
80}
81
82static const struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
83	.hw_params = mt8173_rt5650_rt5676_hw_params,
84};
85
86static struct snd_soc_jack mt8173_rt5650_rt5676_jack;
87
88static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime)
89{
90	struct snd_soc_card *card = runtime->card;
91	struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
92	struct snd_soc_component *component_sub = asoc_rtd_to_codec(runtime, 1)->component;
93	int ret;
94
95	rt5645_sel_asrc_clk_src(component,
96				RT5645_DA_STEREO_FILTER |
97				RT5645_AD_STEREO_FILTER,
98				RT5645_CLK_SEL_I2S1_ASRC);
99	rt5677_sel_asrc_clk_src(component_sub,
100				RT5677_DA_STEREO_FILTER |
101				RT5677_AD_STEREO1_FILTER,
102				RT5677_CLK_SEL_I2S1_ASRC);
103	rt5677_sel_asrc_clk_src(component_sub,
104				RT5677_AD_STEREO2_FILTER |
105				RT5677_I2S2_SOURCE,
106				RT5677_CLK_SEL_I2S2_ASRC);
107
108	/* enable jack detection */
109	ret = snd_soc_card_jack_new_pins(card, "Headset Jack",
110					 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
111					 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
112					 SND_JACK_BTN_2 | SND_JACK_BTN_3,
113					 &mt8173_rt5650_rt5676_jack,
114					 mt8173_rt5650_rt5676_jack_pins,
115					 ARRAY_SIZE(mt8173_rt5650_rt5676_jack_pins));
116	if (ret) {
117		dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
118		return ret;
119	}
120
121	return rt5645_set_jack_detect(component,
122				      &mt8173_rt5650_rt5676_jack,
123				      &mt8173_rt5650_rt5676_jack,
124				      &mt8173_rt5650_rt5676_jack);
125}
126
127
128enum {
129	DAI_LINK_PLAYBACK,
130	DAI_LINK_CAPTURE,
131	DAI_LINK_HDMI,
132	DAI_LINK_CODEC_I2S,
133	DAI_LINK_HDMI_I2S,
134	DAI_LINK_INTERCODEC
135};
136
137SND_SOC_DAILINK_DEFS(playback,
138	DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
139	DAILINK_COMP_ARRAY(COMP_DUMMY()),
140	DAILINK_COMP_ARRAY(COMP_EMPTY()));
141
142SND_SOC_DAILINK_DEFS(capture,
143	DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
144	DAILINK_COMP_ARRAY(COMP_DUMMY()),
145	DAILINK_COMP_ARRAY(COMP_EMPTY()));
146
147SND_SOC_DAILINK_DEFS(hdmi_pcm,
148	DAILINK_COMP_ARRAY(COMP_CPU("HDMI")),
149	DAILINK_COMP_ARRAY(COMP_DUMMY()),
150	DAILINK_COMP_ARRAY(COMP_EMPTY()));
151
152SND_SOC_DAILINK_DEFS(codec,
153	DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
154	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
155			   COMP_CODEC(NULL, "rt5677-aif1")),
156	DAILINK_COMP_ARRAY(COMP_EMPTY()));
157
158SND_SOC_DAILINK_DEFS(hdmi_be,
159	DAILINK_COMP_ARRAY(COMP_CPU("HDMIO")),
160	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
161	DAILINK_COMP_ARRAY(COMP_EMPTY()));
162
163SND_SOC_DAILINK_DEFS(intercodec,
164	DAILINK_COMP_ARRAY(COMP_DUMMY()),
165	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5677-aif2")),
166	DAILINK_COMP_ARRAY(COMP_DUMMY()));
167
168/* Digital audio interface glue - connects codec <---> CPU */
169static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
170	/* Front End DAI links */
171	[DAI_LINK_PLAYBACK] = {
172		.name = "rt5650_rt5676 Playback",
173		.stream_name = "rt5650_rt5676 Playback",
174		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
175		.dynamic = 1,
176		.dpcm_playback = 1,
177		SND_SOC_DAILINK_REG(playback),
178	},
179	[DAI_LINK_CAPTURE] = {
180		.name = "rt5650_rt5676 Capture",
181		.stream_name = "rt5650_rt5676 Capture",
182		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
183		.dynamic = 1,
184		.dpcm_capture = 1,
185		SND_SOC_DAILINK_REG(capture),
186	},
187	[DAI_LINK_HDMI] = {
188		.name = "HDMI",
189		.stream_name = "HDMI PCM",
190		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
191		.dynamic = 1,
192		.dpcm_playback = 1,
193		SND_SOC_DAILINK_REG(hdmi_pcm),
194	},
195
196	/* Back End DAI links */
197	[DAI_LINK_CODEC_I2S] = {
198		.name = "Codec",
199		.no_pcm = 1,
200		.init = mt8173_rt5650_rt5676_init,
201		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
202			   SND_SOC_DAIFMT_CBS_CFS,
203		.ops = &mt8173_rt5650_rt5676_ops,
204		.ignore_pmdown_time = 1,
205		.dpcm_playback = 1,
206		.dpcm_capture = 1,
207		SND_SOC_DAILINK_REG(codec),
208	},
209	[DAI_LINK_HDMI_I2S] = {
210		.name = "HDMI BE",
211		.no_pcm = 1,
212		.dpcm_playback = 1,
213		SND_SOC_DAILINK_REG(hdmi_be),
214	},
215	/* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
216	[DAI_LINK_INTERCODEC] = {
217		.name = "rt5650_rt5676 intercodec",
218		.stream_name = "rt5650_rt5676 intercodec",
219		.no_pcm = 1,
220		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
221			   SND_SOC_DAIFMT_CBM_CFM,
222		SND_SOC_DAILINK_REG(intercodec),
223	},
224};
225
226static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = {
227	{
228		.name_prefix = "Sub",
229	},
230};
231
232static struct snd_soc_card mt8173_rt5650_rt5676_card = {
233	.name = "mtk-rt5650-rt5676",
234	.owner = THIS_MODULE,
235	.dai_link = mt8173_rt5650_rt5676_dais,
236	.num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais),
237	.codec_conf = mt8173_rt5650_rt5676_codec_conf,
238	.num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf),
239	.controls = mt8173_rt5650_rt5676_controls,
240	.num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls),
241	.dapm_widgets = mt8173_rt5650_rt5676_widgets,
242	.num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets),
243	.dapm_routes = mt8173_rt5650_rt5676_routes,
244	.num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes),
245};
246
247static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev)
248{
249	struct snd_soc_card *card = &mt8173_rt5650_rt5676_card;
250	struct device_node *platform_node;
251	struct snd_soc_dai_link *dai_link;
252	int i, ret;
253
254	platform_node = of_parse_phandle(pdev->dev.of_node,
255					 "mediatek,platform", 0);
256	if (!platform_node) {
257		dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
258		return -EINVAL;
259	}
260
261	for_each_card_prelinks(card, i, dai_link) {
262		if (dai_link->platforms->name)
263			continue;
264		dai_link->platforms->of_node = platform_node;
265	}
266
267	mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
268		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
269	if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
270		dev_err(&pdev->dev,
271			"Property 'audio-codec' missing or invalid\n");
272		ret = -EINVAL;
273		goto put_node;
274	}
275	mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
276		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
277	if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) {
278		dev_err(&pdev->dev,
279			"Property 'audio-codec' missing or invalid\n");
280		ret = -EINVAL;
281		goto put_node;
282	}
283	mt8173_rt5650_rt5676_codec_conf[0].dlc.of_node =
284		mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
285
286	mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codecs->of_node =
287		mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
288
289	mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node =
290		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2);
291	if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node) {
292		dev_err(&pdev->dev,
293			"Property 'audio-codec' missing or invalid\n");
294		ret = -EINVAL;
295		goto put_node;
296	}
297
298	card->dev = &pdev->dev;
299
300	ret = devm_snd_soc_register_card(&pdev->dev, card);
301
302put_node:
303	of_node_put(platform_node);
304	return ret;
305}
306
307static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
308	{ .compatible = "mediatek,mt8173-rt5650-rt5676", },
309	{ }
310};
311MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
312
313static struct platform_driver mt8173_rt5650_rt5676_driver = {
314	.driver = {
315		   .name = "mtk-rt5650-rt5676",
316		   .of_match_table = mt8173_rt5650_rt5676_dt_match,
317		   .pm = &snd_soc_pm_ops,
318	},
319	.probe = mt8173_rt5650_rt5676_dev_probe,
320};
321
322module_platform_driver(mt8173_rt5650_rt5676_driver);
323
324/* Module information */
325MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
326MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
327MODULE_LICENSE("GPL v2");
328MODULE_ALIAS("platform:mtk-rt5650-rt5676");
329
330