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Linux/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c

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  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 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         platform_set_drvdata(pdev, card);
226 
227         ret = devm_snd_soc_register_card(&pdev->dev, card);
228         if (ret)
229                 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
230                         __func__, ret);
231         return ret;
232 }
233 
234 static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = {
235         { .compatible = "mediatek,mt8173-rt5650-rt5514", },
236         { }
237 };
238 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match);
239 
240 static struct platform_driver mt8173_rt5650_rt5514_driver = {
241         .driver = {
242                    .name = "mtk-rt5650-rt5514",
243                    .of_match_table = mt8173_rt5650_rt5514_dt_match,
244 #ifdef CONFIG_PM
245                    .pm = &snd_soc_pm_ops,
246 #endif
247         },
248         .probe = mt8173_rt5650_rt5514_dev_probe,
249 };
250 
251 module_platform_driver(mt8173_rt5650_rt5514_driver);
252 
253 /* Module information */
254 MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver");
255 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
256 MODULE_LICENSE("GPL v2");
257 MODULE_ALIAS("platform:mtk-rt5650-rt5514");
258 
259 

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