ASoC: mt8173: remove unnecessary micbias widget in route
[muen/linux.git] / sound / soc / mediatek / mt8173 / mt8173-rt5650-rt5676.c
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_codec *codec = runtime->codec_dais[0]->codec;
90         struct snd_soc_codec *codec_sub = runtime->codec_dais[1]->codec;
91         int ret;
92
93         rt5645_sel_asrc_clk_src(codec,
94                                 RT5645_DA_STEREO_FILTER |
95                                 RT5645_AD_STEREO_FILTER,
96                                 RT5645_CLK_SEL_I2S1_ASRC);
97         rt5677_sel_asrc_clk_src(codec_sub,
98                                 RT5677_DA_STEREO_FILTER |
99                                 RT5677_AD_STEREO1_FILTER,
100                                 RT5677_CLK_SEL_I2S1_ASRC);
101         rt5677_sel_asrc_clk_src(codec_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(codec,
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