ASoC: mt8173: remove unnecessary micbias widget in route
[muen/linux.git] / sound / soc / mediatek / mt8173 / mt8173-rt5650-rt5514.c
1 /*
2  * mt8173-rt5650-rt5514.c  --  MT8173 machine driver with RT5650/5514 codecs
3  *
4  * Copyright (c) 2016 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
24 #define MCLK_FOR_CODECS         12288000
25
26 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5514_widgets[] = {
27         SND_SOC_DAPM_SPK("Speaker", NULL),
28         SND_SOC_DAPM_MIC("Int Mic", NULL),
29         SND_SOC_DAPM_HP("Headphone", NULL),
30         SND_SOC_DAPM_MIC("Headset Mic", NULL),
31 };
32
33 static const struct snd_soc_dapm_route mt8173_rt5650_rt5514_routes[] = {
34         {"Speaker", NULL, "SPOL"},
35         {"Speaker", NULL, "SPOR"},
36         {"Sub DMIC1L", NULL, "Int Mic"},
37         {"Sub DMIC1R", NULL, "Int Mic"},
38         {"Headphone", NULL, "HPOL"},
39         {"Headphone", NULL, "HPOR"},
40         {"IN1P", NULL, "Headset Mic"},
41         {"IN1N", NULL, "Headset Mic"},
42 };
43
44 static const struct snd_kcontrol_new mt8173_rt5650_rt5514_controls[] = {
45         SOC_DAPM_PIN_SWITCH("Speaker"),
46         SOC_DAPM_PIN_SWITCH("Int Mic"),
47         SOC_DAPM_PIN_SWITCH("Headphone"),
48         SOC_DAPM_PIN_SWITCH("Headset Mic"),
49 };
50
51 static int mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream *substream,
52                                           struct snd_pcm_hw_params *params)
53 {
54         struct snd_soc_pcm_runtime *rtd = substream->private_data;
55         int i, ret;
56
57         for (i = 0; i < rtd->num_codecs; i++) {
58                 struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
59
60                 /* pll from mclk 12.288M */
61                 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
62                                           params_rate(params) * 512);
63                 if (ret)
64                         return ret;
65
66                 /* sysclk from pll */
67                 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
68                                              params_rate(params) * 512,
69                                              SND_SOC_CLOCK_IN);
70                 if (ret)
71                         return ret;
72         }
73         return 0;
74 }
75
76 static const struct snd_soc_ops mt8173_rt5650_rt5514_ops = {
77         .hw_params = mt8173_rt5650_rt5514_hw_params,
78 };
79
80 static struct snd_soc_jack mt8173_rt5650_rt5514_jack;
81
82 static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime)
83 {
84         struct snd_soc_card *card = runtime->card;
85         struct snd_soc_codec *codec = runtime->codec_dais[0]->codec;
86         int ret;
87
88         rt5645_sel_asrc_clk_src(codec,
89                                 RT5645_DA_STEREO_FILTER |
90                                 RT5645_AD_STEREO_FILTER,
91                                 RT5645_CLK_SEL_I2S1_ASRC);
92
93         /* enable jack detection */
94         ret = snd_soc_card_jack_new(card, "Headset Jack",
95                                     SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
96                                     SND_JACK_BTN_0 | SND_JACK_BTN_1 |
97                                     SND_JACK_BTN_2 | SND_JACK_BTN_3,
98                                     &mt8173_rt5650_rt5514_jack, NULL, 0);
99         if (ret) {
100                 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
101                 return ret;
102         }
103
104         return rt5645_set_jack_detect(codec,
105                                       &mt8173_rt5650_rt5514_jack,
106                                       &mt8173_rt5650_rt5514_jack,
107                                       &mt8173_rt5650_rt5514_jack);
108 }
109
110 static struct snd_soc_dai_link_component mt8173_rt5650_rt5514_codecs[] = {
111         {
112                 .dai_name = "rt5645-aif1",
113         },
114         {
115                 .dai_name = "rt5514-aif1",
116         },
117 };
118
119 enum {
120         DAI_LINK_PLAYBACK,
121         DAI_LINK_CAPTURE,
122         DAI_LINK_CODEC_I2S,
123 };
124
125 /* Digital audio interface glue - connects codec <---> CPU */
126 static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = {
127         /* Front End DAI links */
128         [DAI_LINK_PLAYBACK] = {
129                 .name = "rt5650_rt5514 Playback",
130                 .stream_name = "rt5650_rt5514 Playback",
131                 .cpu_dai_name = "DL1",
132                 .codec_name = "snd-soc-dummy",
133                 .codec_dai_name = "snd-soc-dummy-dai",
134                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
135                 .dynamic = 1,
136                 .dpcm_playback = 1,
137         },
138         [DAI_LINK_CAPTURE] = {
139                 .name = "rt5650_rt5514 Capture",
140                 .stream_name = "rt5650_rt5514 Capture",
141                 .cpu_dai_name = "VUL",
142                 .codec_name = "snd-soc-dummy",
143                 .codec_dai_name = "snd-soc-dummy-dai",
144                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
145                 .dynamic = 1,
146                 .dpcm_capture = 1,
147         },
148         /* Back End DAI links */
149         [DAI_LINK_CODEC_I2S] = {
150                 .name = "Codec",
151                 .cpu_dai_name = "I2S",
152                 .no_pcm = 1,
153                 .codecs = mt8173_rt5650_rt5514_codecs,
154                 .num_codecs = 2,
155                 .init = mt8173_rt5650_rt5514_init,
156                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
157                            SND_SOC_DAIFMT_CBS_CFS,
158                 .ops = &mt8173_rt5650_rt5514_ops,
159                 .ignore_pmdown_time = 1,
160                 .dpcm_playback = 1,
161                 .dpcm_capture = 1,
162         },
163 };
164
165 static struct snd_soc_codec_conf mt8173_rt5650_rt5514_codec_conf[] = {
166         {
167                 .name_prefix = "Sub",
168         },
169 };
170
171 static struct snd_soc_card mt8173_rt5650_rt5514_card = {
172         .name = "mtk-rt5650-rt5514",
173         .owner = THIS_MODULE,
174         .dai_link = mt8173_rt5650_rt5514_dais,
175         .num_links = ARRAY_SIZE(mt8173_rt5650_rt5514_dais),
176         .codec_conf = mt8173_rt5650_rt5514_codec_conf,
177         .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5514_codec_conf),
178         .controls = mt8173_rt5650_rt5514_controls,
179         .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5514_controls),
180         .dapm_widgets = mt8173_rt5650_rt5514_widgets,
181         .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5514_widgets),
182         .dapm_routes = mt8173_rt5650_rt5514_routes,
183         .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5514_routes),
184 };
185
186 static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev)
187 {
188         struct snd_soc_card *card = &mt8173_rt5650_rt5514_card;
189         struct device_node *platform_node;
190         int i, ret;
191
192         platform_node = of_parse_phandle(pdev->dev.of_node,
193                                          "mediatek,platform", 0);
194         if (!platform_node) {
195                 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
196                 return -EINVAL;
197         }
198
199         for (i = 0; i < card->num_links; i++) {
200                 if (mt8173_rt5650_rt5514_dais[i].platform_name)
201                         continue;
202                 mt8173_rt5650_rt5514_dais[i].platform_of_node = platform_node;
203         }
204
205         mt8173_rt5650_rt5514_codecs[0].of_node =
206                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
207         if (!mt8173_rt5650_rt5514_codecs[0].of_node) {
208                 dev_err(&pdev->dev,
209                         "Property 'audio-codec' missing or invalid\n");
210                 return -EINVAL;
211         }
212         mt8173_rt5650_rt5514_codecs[1].of_node =
213                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
214         if (!mt8173_rt5650_rt5514_codecs[1].of_node) {
215                 dev_err(&pdev->dev,
216                         "Property 'audio-codec' missing or invalid\n");
217                 return -EINVAL;
218         }
219         mt8173_rt5650_rt5514_codec_conf[0].of_node =
220                 mt8173_rt5650_rt5514_codecs[1].of_node;
221
222         card->dev = &pdev->dev;
223
224         ret = devm_snd_soc_register_card(&pdev->dev, card);
225         if (ret)
226                 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
227                         __func__, ret);
228         return ret;
229 }
230
231 static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = {
232         { .compatible = "mediatek,mt8173-rt5650-rt5514", },
233         { }
234 };
235 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match);
236
237 static struct platform_driver mt8173_rt5650_rt5514_driver = {
238         .driver = {
239                    .name = "mtk-rt5650-rt5514",
240                    .of_match_table = mt8173_rt5650_rt5514_dt_match,
241 #ifdef CONFIG_PM
242                    .pm = &snd_soc_pm_ops,
243 #endif
244         },
245         .probe = mt8173_rt5650_rt5514_dev_probe,
246 };
247
248 module_platform_driver(mt8173_rt5650_rt5514_driver);
249
250 /* Module information */
251 MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver");
252 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
253 MODULE_LICENSE("GPL v2");
254 MODULE_ALIAS("platform:mtk-rt5650-rt5514");
255