99c15219dbc819404a14c4ea322f1a4eaf3ade45
[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         {"Headset Mic", NULL, "micbias1"},
41         {"Headset Mic", NULL, "micbias2"},
42         {"IN1P", NULL, "Headset Mic"},
43         {"IN1N", NULL, "Headset Mic"},
44 };
45
46 static const struct snd_kcontrol_new mt8173_rt5650_rt5514_controls[] = {
47         SOC_DAPM_PIN_SWITCH("Speaker"),
48         SOC_DAPM_PIN_SWITCH("Int Mic"),
49         SOC_DAPM_PIN_SWITCH("Headphone"),
50         SOC_DAPM_PIN_SWITCH("Headset Mic"),
51 };
52
53 static int mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream *substream,
54                                           struct snd_pcm_hw_params *params)
55 {
56         struct snd_soc_pcm_runtime *rtd = substream->private_data;
57         int i, ret;
58
59         for (i = 0; i < rtd->num_codecs; i++) {
60                 struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
61
62                 /* pll from mclk 12.288M */
63                 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
64                                           params_rate(params) * 512);
65                 if (ret)
66                         return ret;
67
68                 /* sysclk from pll */
69                 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
70                                              params_rate(params) * 512,
71                                              SND_SOC_CLOCK_IN);
72                 if (ret)
73                         return ret;
74         }
75         return 0;
76 }
77
78 static const struct snd_soc_ops mt8173_rt5650_rt5514_ops = {
79         .hw_params = mt8173_rt5650_rt5514_hw_params,
80 };
81
82 static struct snd_soc_jack mt8173_rt5650_rt5514_jack;
83
84 static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime)
85 {
86         struct snd_soc_card *card = runtime->card;
87         struct snd_soc_codec *codec = runtime->codec_dais[0]->codec;
88         int ret;
89
90         rt5645_sel_asrc_clk_src(codec,
91                                 RT5645_DA_STEREO_FILTER |
92                                 RT5645_AD_STEREO_FILTER,
93                                 RT5645_CLK_SEL_I2S1_ASRC);
94
95         /* enable jack detection */
96         ret = snd_soc_card_jack_new(card, "Headset Jack",
97                                     SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
98                                     SND_JACK_BTN_0 | SND_JACK_BTN_1 |
99                                     SND_JACK_BTN_2 | SND_JACK_BTN_3,
100                                     &mt8173_rt5650_rt5514_jack, NULL, 0);
101         if (ret) {
102                 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
103                 return ret;
104         }
105
106         return rt5645_set_jack_detect(codec,
107                                       &mt8173_rt5650_rt5514_jack,
108                                       &mt8173_rt5650_rt5514_jack,
109                                       &mt8173_rt5650_rt5514_jack);
110 }
111
112 static struct snd_soc_dai_link_component mt8173_rt5650_rt5514_codecs[] = {
113         {
114                 .dai_name = "rt5645-aif1",
115         },
116         {
117                 .dai_name = "rt5514-aif1",
118         },
119 };
120
121 enum {
122         DAI_LINK_PLAYBACK,
123         DAI_LINK_CAPTURE,
124         DAI_LINK_CODEC_I2S,
125 };
126
127 /* Digital audio interface glue - connects codec <---> CPU */
128 static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = {
129         /* Front End DAI links */
130         [DAI_LINK_PLAYBACK] = {
131                 .name = "rt5650_rt5514 Playback",
132                 .stream_name = "rt5650_rt5514 Playback",
133                 .cpu_dai_name = "DL1",
134                 .codec_name = "snd-soc-dummy",
135                 .codec_dai_name = "snd-soc-dummy-dai",
136                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
137                 .dynamic = 1,
138                 .dpcm_playback = 1,
139         },
140         [DAI_LINK_CAPTURE] = {
141                 .name = "rt5650_rt5514 Capture",
142                 .stream_name = "rt5650_rt5514 Capture",
143                 .cpu_dai_name = "VUL",
144                 .codec_name = "snd-soc-dummy",
145                 .codec_dai_name = "snd-soc-dummy-dai",
146                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
147                 .dynamic = 1,
148                 .dpcm_capture = 1,
149         },
150         /* Back End DAI links */
151         [DAI_LINK_CODEC_I2S] = {
152                 .name = "Codec",
153                 .cpu_dai_name = "I2S",
154                 .no_pcm = 1,
155                 .codecs = mt8173_rt5650_rt5514_codecs,
156                 .num_codecs = 2,
157                 .init = mt8173_rt5650_rt5514_init,
158                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
159                            SND_SOC_DAIFMT_CBS_CFS,
160                 .ops = &mt8173_rt5650_rt5514_ops,
161                 .ignore_pmdown_time = 1,
162                 .dpcm_playback = 1,
163                 .dpcm_capture = 1,
164         },
165 };
166
167 static struct snd_soc_codec_conf mt8173_rt5650_rt5514_codec_conf[] = {
168         {
169                 .name_prefix = "Sub",
170         },
171 };
172
173 static struct snd_soc_card mt8173_rt5650_rt5514_card = {
174         .name = "mtk-rt5650-rt5514",
175         .owner = THIS_MODULE,
176         .dai_link = mt8173_rt5650_rt5514_dais,
177         .num_links = ARRAY_SIZE(mt8173_rt5650_rt5514_dais),
178         .codec_conf = mt8173_rt5650_rt5514_codec_conf,
179         .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5514_codec_conf),
180         .controls = mt8173_rt5650_rt5514_controls,
181         .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5514_controls),
182         .dapm_widgets = mt8173_rt5650_rt5514_widgets,
183         .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5514_widgets),
184         .dapm_routes = mt8173_rt5650_rt5514_routes,
185         .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5514_routes),
186 };
187
188 static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev)
189 {
190         struct snd_soc_card *card = &mt8173_rt5650_rt5514_card;
191         struct device_node *platform_node;
192         int i, ret;
193
194         platform_node = of_parse_phandle(pdev->dev.of_node,
195                                          "mediatek,platform", 0);
196         if (!platform_node) {
197                 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
198                 return -EINVAL;
199         }
200
201         for (i = 0; i < card->num_links; i++) {
202                 if (mt8173_rt5650_rt5514_dais[i].platform_name)
203                         continue;
204                 mt8173_rt5650_rt5514_dais[i].platform_of_node = platform_node;
205         }
206
207         mt8173_rt5650_rt5514_codecs[0].of_node =
208                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
209         if (!mt8173_rt5650_rt5514_codecs[0].of_node) {
210                 dev_err(&pdev->dev,
211                         "Property 'audio-codec' missing or invalid\n");
212                 return -EINVAL;
213         }
214         mt8173_rt5650_rt5514_codecs[1].of_node =
215                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
216         if (!mt8173_rt5650_rt5514_codecs[1].of_node) {
217                 dev_err(&pdev->dev,
218                         "Property 'audio-codec' missing or invalid\n");
219                 return -EINVAL;
220         }
221         mt8173_rt5650_rt5514_codec_conf[0].of_node =
222                 mt8173_rt5650_rt5514_codecs[1].of_node;
223
224         card->dev = &pdev->dev;
225
226         ret = devm_snd_soc_register_card(&pdev->dev, card);
227         if (ret)
228                 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
229                         __func__, ret);
230         return ret;
231 }
232
233 static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = {
234         { .compatible = "mediatek,mt8173-rt5650-rt5514", },
235         { }
236 };
237 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match);
238
239 static struct platform_driver mt8173_rt5650_rt5514_driver = {
240         .driver = {
241                    .name = "mtk-rt5650-rt5514",
242                    .of_match_table = mt8173_rt5650_rt5514_dt_match,
243 #ifdef CONFIG_PM
244                    .pm = &snd_soc_pm_ops,
245 #endif
246         },
247         .probe = mt8173_rt5650_rt5514_dev_probe,
248 };
249
250 module_platform_driver(mt8173_rt5650_rt5514_driver);
251
252 /* Module information */
253 MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver");
254 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
255 MODULE_LICENSE("GPL v2");
256 MODULE_ALIAS("platform:mtk-rt5650-rt5514");
257