xref: /openbmc/linux/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c (revision 94cc2fde365fb4484080ea6675bb1e0c933f8002)
1 /*
2  * mt8173-rt5650-rt5676.c  --  MT8173 machine driver with RT5650/5676 codecs
3  *
4  * Copyright (c) 2015 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 #include "../../codecs/rt5677.h"
24 
25 #define MCLK_FOR_CODECS		12288000
26 
27 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5676_widgets[] = {
28 	SND_SOC_DAPM_SPK("Speaker", NULL),
29 	SND_SOC_DAPM_MIC("Int Mic", NULL),
30 	SND_SOC_DAPM_HP("Headphone", NULL),
31 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
32 };
33 
34 static const struct snd_soc_dapm_route mt8173_rt5650_rt5676_routes[] = {
35 	{"Speaker", NULL, "SPOL"},
36 	{"Speaker", NULL, "SPOR"},
37 	{"Speaker", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650  */
38 	{"Sub DMIC L1", NULL, "Int Mic"}, /* DMIC from 5676 */
39 	{"Sub DMIC R1", NULL, "Int Mic"},
40 	{"Headphone", NULL, "HPOL"},
41 	{"Headphone", NULL, "HPOR"},
42 	{"Headphone", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650  */
43 	{"IN1P", NULL, "Headset Mic"},
44 	{"IN1N", NULL, "Headset Mic"},
45 	{"Sub AIF2RX", NULL, "Headset Mic"}, /* IF2 DAC from 5650  */
46 };
47 
48 static const struct snd_kcontrol_new mt8173_rt5650_rt5676_controls[] = {
49 	SOC_DAPM_PIN_SWITCH("Speaker"),
50 	SOC_DAPM_PIN_SWITCH("Int Mic"),
51 	SOC_DAPM_PIN_SWITCH("Headphone"),
52 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
53 };
54 
55 static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream,
56 					  struct snd_pcm_hw_params *params)
57 {
58 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
59 	int i, ret;
60 
61 	for (i = 0; i < rtd->num_codecs; i++) {
62 		struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
63 
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 
80 static const struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
81 	.hw_params = mt8173_rt5650_rt5676_hw_params,
82 };
83 
84 static struct snd_soc_jack mt8173_rt5650_rt5676_jack;
85 
86 static 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 = runtime->codec_dais[0]->component;
90 	struct snd_soc_component *component_sub = runtime->codec_dais[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(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, NULL, 0);
112 	if (ret) {
113 		dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
114 		return ret;
115 	}
116 
117 	return rt5645_set_jack_detect(component,
118 				      &mt8173_rt5650_rt5676_jack,
119 				      &mt8173_rt5650_rt5676_jack,
120 				      &mt8173_rt5650_rt5676_jack);
121 }
122 
123 static struct snd_soc_dai_link_component mt8173_rt5650_rt5676_codecs[] = {
124 	{
125 		.dai_name = "rt5645-aif1",
126 	},
127 	{
128 		.dai_name = "rt5677-aif1",
129 	},
130 };
131 
132 enum {
133 	DAI_LINK_PLAYBACK,
134 	DAI_LINK_CAPTURE,
135 	DAI_LINK_HDMI,
136 	DAI_LINK_CODEC_I2S,
137 	DAI_LINK_HDMI_I2S,
138 	DAI_LINK_INTERCODEC
139 };
140 
141 /* Digital audio interface glue - connects codec <---> CPU */
142 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
143 	/* Front End DAI links */
144 	[DAI_LINK_PLAYBACK] = {
145 		.name = "rt5650_rt5676 Playback",
146 		.stream_name = "rt5650_rt5676 Playback",
147 		.cpu_dai_name = "DL1",
148 		.codec_name = "snd-soc-dummy",
149 		.codec_dai_name = "snd-soc-dummy-dai",
150 		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
151 		.dynamic = 1,
152 		.dpcm_playback = 1,
153 	},
154 	[DAI_LINK_CAPTURE] = {
155 		.name = "rt5650_rt5676 Capture",
156 		.stream_name = "rt5650_rt5676 Capture",
157 		.cpu_dai_name = "VUL",
158 		.codec_name = "snd-soc-dummy",
159 		.codec_dai_name = "snd-soc-dummy-dai",
160 		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
161 		.dynamic = 1,
162 		.dpcm_capture = 1,
163 	},
164 	[DAI_LINK_HDMI] = {
165 		.name = "HDMI",
166 		.stream_name = "HDMI PCM",
167 		.cpu_dai_name = "HDMI",
168 		.codec_name = "snd-soc-dummy",
169 		.codec_dai_name = "snd-soc-dummy-dai",
170 		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
171 		.dynamic = 1,
172 		.dpcm_playback = 1,
173 	},
174 
175 	/* Back End DAI links */
176 	[DAI_LINK_CODEC_I2S] = {
177 		.name = "Codec",
178 		.cpu_dai_name = "I2S",
179 		.no_pcm = 1,
180 		.codecs = mt8173_rt5650_rt5676_codecs,
181 		.num_codecs = 2,
182 		.init = mt8173_rt5650_rt5676_init,
183 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
184 			   SND_SOC_DAIFMT_CBS_CFS,
185 		.ops = &mt8173_rt5650_rt5676_ops,
186 		.ignore_pmdown_time = 1,
187 		.dpcm_playback = 1,
188 		.dpcm_capture = 1,
189 	},
190 	[DAI_LINK_HDMI_I2S] = {
191 		.name = "HDMI BE",
192 		.cpu_dai_name = "HDMIO",
193 		.no_pcm = 1,
194 		.codec_dai_name = "i2s-hifi",
195 		.dpcm_playback = 1,
196 	},
197 	/* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
198 	[DAI_LINK_INTERCODEC] = {
199 		.name = "rt5650_rt5676 intercodec",
200 		.stream_name = "rt5650_rt5676 intercodec",
201 		.cpu_dai_name = "snd-soc-dummy-dai",
202 		.platform_name = "snd-soc-dummy",
203 		.no_pcm = 1,
204 		.codec_dai_name = "rt5677-aif2",
205 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
206 			   SND_SOC_DAIFMT_CBM_CFM,
207 	},
208 
209 };
210 
211 static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = {
212 	{
213 		.name_prefix = "Sub",
214 	},
215 };
216 
217 static struct snd_soc_card mt8173_rt5650_rt5676_card = {
218 	.name = "mtk-rt5650-rt5676",
219 	.owner = THIS_MODULE,
220 	.dai_link = mt8173_rt5650_rt5676_dais,
221 	.num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais),
222 	.codec_conf = mt8173_rt5650_rt5676_codec_conf,
223 	.num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf),
224 	.controls = mt8173_rt5650_rt5676_controls,
225 	.num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls),
226 	.dapm_widgets = mt8173_rt5650_rt5676_widgets,
227 	.num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets),
228 	.dapm_routes = mt8173_rt5650_rt5676_routes,
229 	.num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes),
230 };
231 
232 static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev)
233 {
234 	struct snd_soc_card *card = &mt8173_rt5650_rt5676_card;
235 	struct device_node *platform_node;
236 	int i, ret;
237 
238 	platform_node = of_parse_phandle(pdev->dev.of_node,
239 					 "mediatek,platform", 0);
240 	if (!platform_node) {
241 		dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
242 		return -EINVAL;
243 	}
244 
245 	for (i = 0; i < card->num_links; i++) {
246 		if (mt8173_rt5650_rt5676_dais[i].platform_name)
247 			continue;
248 		mt8173_rt5650_rt5676_dais[i].platform_of_node = platform_node;
249 	}
250 
251 	mt8173_rt5650_rt5676_codecs[0].of_node =
252 		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
253 	if (!mt8173_rt5650_rt5676_codecs[0].of_node) {
254 		dev_err(&pdev->dev,
255 			"Property 'audio-codec' missing or invalid\n");
256 		return -EINVAL;
257 	}
258 	mt8173_rt5650_rt5676_codecs[1].of_node =
259 		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
260 	if (!mt8173_rt5650_rt5676_codecs[1].of_node) {
261 		dev_err(&pdev->dev,
262 			"Property 'audio-codec' missing or invalid\n");
263 		return -EINVAL;
264 	}
265 	mt8173_rt5650_rt5676_codec_conf[0].of_node =
266 		mt8173_rt5650_rt5676_codecs[1].of_node;
267 
268 	mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codec_of_node =
269 		mt8173_rt5650_rt5676_codecs[1].of_node;
270 
271 	mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codec_of_node =
272 		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2);
273 	if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codec_of_node) {
274 		dev_err(&pdev->dev,
275 			"Property 'audio-codec' missing or invalid\n");
276 		return -EINVAL;
277 	}
278 
279 	card->dev = &pdev->dev;
280 
281 	ret = devm_snd_soc_register_card(&pdev->dev, card);
282 	if (ret)
283 		dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
284 			__func__, ret);
285 	return ret;
286 }
287 
288 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
289 	{ .compatible = "mediatek,mt8173-rt5650-rt5676", },
290 	{ }
291 };
292 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
293 
294 static struct platform_driver mt8173_rt5650_rt5676_driver = {
295 	.driver = {
296 		   .name = "mtk-rt5650-rt5676",
297 		   .of_match_table = mt8173_rt5650_rt5676_dt_match,
298 #ifdef CONFIG_PM
299 		   .pm = &snd_soc_pm_ops,
300 #endif
301 	},
302 	.probe = mt8173_rt5650_rt5676_dev_probe,
303 };
304 
305 module_platform_driver(mt8173_rt5650_rt5676_driver);
306 
307 /* Module information */
308 MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
309 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
310 MODULE_LICENSE("GPL v2");
311 MODULE_ALIAS("platform:mtk-rt5650-rt5676");
312 
313