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

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  1 // SPDX-License-Identifier: GPL-2.0
  2 /*
  3  * mt8173-rt5650-rt5514.c  --  MT8173 machine driver with RT5650/5514 codecs
  4  *
  5  * Copyright (c) 2016 MediaTek Inc.
  6  * Author: Koro Chen <koro.chen@mediatek.com>
  7  */
  8 
  9 #include <linux/module.h>
 10 #include <linux/gpio.h>
 11 #include <linux/of_gpio.h>
 12 #include <sound/soc.h>
 13 #include <sound/jack.h>
 14 #include "../../codecs/rt5645.h"
 15 
 16 #define MCLK_FOR_CODECS         12288000
 17 
 18 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5514_widgets[] = {
 19         SND_SOC_DAPM_SPK("Speaker", NULL),
 20         SND_SOC_DAPM_MIC("Int Mic", NULL),
 21         SND_SOC_DAPM_HP("Headphone", NULL),
 22         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 23 };
 24 
 25 static const struct snd_soc_dapm_route mt8173_rt5650_rt5514_routes[] = {
 26         {"Speaker", NULL, "SPOL"},
 27         {"Speaker", NULL, "SPOR"},
 28         {"Sub DMIC1L", NULL, "Int Mic"},
 29         {"Sub DMIC1R", NULL, "Int Mic"},
 30         {"Headphone", NULL, "HPOL"},
 31         {"Headphone", NULL, "HPOR"},
 32         {"IN1P", NULL, "Headset Mic"},
 33         {"IN1N", NULL, "Headset Mic"},
 34 };
 35 
 36 static const struct snd_kcontrol_new mt8173_rt5650_rt5514_controls[] = {
 37         SOC_DAPM_PIN_SWITCH("Speaker"),
 38         SOC_DAPM_PIN_SWITCH("Int Mic"),
 39         SOC_DAPM_PIN_SWITCH("Headphone"),
 40         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 41 };
 42 
 43 static int mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream *substream,
 44                                           struct snd_pcm_hw_params *params)
 45 {
 46         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 47         struct snd_soc_dai *codec_dai;
 48         int i, ret;
 49 
 50         for_each_rtd_codec_dai(rtd, i, codec_dai) {
 51                 /* pll from mclk 12.288M */
 52                 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
 53                                           params_rate(params) * 512);
 54                 if (ret)
 55                         return ret;
 56 
 57                 /* sysclk from pll */
 58                 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
 59                                              params_rate(params) * 512,
 60                                              SND_SOC_CLOCK_IN);
 61                 if (ret)
 62                         return ret;
 63         }
 64         return 0;
 65 }
 66 
 67 static const struct snd_soc_ops mt8173_rt5650_rt5514_ops = {
 68         .hw_params = mt8173_rt5650_rt5514_hw_params,
 69 };
 70 
 71 static struct snd_soc_jack mt8173_rt5650_rt5514_jack;
 72 
 73 static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime)
 74 {
 75         struct snd_soc_card *card = runtime->card;
 76         struct snd_soc_component *component = runtime->codec_dais[0]->component;
 77         int ret;
 78 
 79         rt5645_sel_asrc_clk_src(component,
 80                                 RT5645_DA_STEREO_FILTER |
 81                                 RT5645_AD_STEREO_FILTER,
 82                                 RT5645_CLK_SEL_I2S1_ASRC);
 83 
 84         /* enable jack detection */
 85         ret = snd_soc_card_jack_new(card, "Headset Jack",
 86                                     SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
 87                                     SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 88                                     SND_JACK_BTN_2 | SND_JACK_BTN_3,
 89                                     &mt8173_rt5650_rt5514_jack, NULL, 0);
 90         if (ret) {
 91                 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
 92                 return ret;
 93         }
 94 
 95         return rt5645_set_jack_detect(component,
 96                                       &mt8173_rt5650_rt5514_jack,
 97                                       &mt8173_rt5650_rt5514_jack,
 98                                       &mt8173_rt5650_rt5514_jack);
 99 }
100 
101 enum {
102         DAI_LINK_PLAYBACK,
103         DAI_LINK_CAPTURE,
104         DAI_LINK_CODEC_I2S,
105 };
106 
107 SND_SOC_DAILINK_DEFS(playback,
108         DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
109         DAILINK_COMP_ARRAY(COMP_DUMMY()),
110         DAILINK_COMP_ARRAY(COMP_EMPTY()));
111 
112 SND_SOC_DAILINK_DEFS(capture,
113         DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
114         DAILINK_COMP_ARRAY(COMP_DUMMY()),
115         DAILINK_COMP_ARRAY(COMP_EMPTY()));
116 
117 SND_SOC_DAILINK_DEFS(codec,
118         DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
119         DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
120                            COMP_CODEC(NULL, "rt5514-aif1")),
121         DAILINK_COMP_ARRAY(COMP_EMPTY()));
122 
123 /* Digital audio interface glue - connects codec <---> CPU */
124 static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = {
125         /* Front End DAI links */
126         [DAI_LINK_PLAYBACK] = {
127                 .name = "rt5650_rt5514 Playback",
128                 .stream_name = "rt5650_rt5514 Playback",
129                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
130                 .dynamic = 1,
131                 .dpcm_playback = 1,
132                 SND_SOC_DAILINK_REG(playback),
133         },
134         [DAI_LINK_CAPTURE] = {
135                 .name = "rt5650_rt5514 Capture",
136                 .stream_name = "rt5650_rt5514 Capture",
137                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
138                 .dynamic = 1,
139                 .dpcm_capture = 1,
140                 SND_SOC_DAILINK_REG(capture),
141         },
142         /* Back End DAI links */
143         [DAI_LINK_CODEC_I2S] = {
144                 .name = "Codec",
145                 .no_pcm = 1,
146                 .init = mt8173_rt5650_rt5514_init,
147                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
148                            SND_SOC_DAIFMT_CBS_CFS,
149                 .ops = &mt8173_rt5650_rt5514_ops,
150                 .ignore_pmdown_time = 1,
151                 .dpcm_playback = 1,
152                 .dpcm_capture = 1,
153                 SND_SOC_DAILINK_REG(codec),
154         },
155 };
156 
157 static struct snd_soc_codec_conf mt8173_rt5650_rt5514_codec_conf[] = {
158         {
159                 .name_prefix = "Sub",
160         },
161 };
162 
163 static struct snd_soc_card mt8173_rt5650_rt5514_card = {
164         .name = "mtk-rt5650-rt5514",
165         .owner = THIS_MODULE,
166         .dai_link = mt8173_rt5650_rt5514_dais,
167         .num_links = ARRAY_SIZE(mt8173_rt5650_rt5514_dais),
168         .codec_conf = mt8173_rt5650_rt5514_codec_conf,
169         .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5514_codec_conf),
170         .controls = mt8173_rt5650_rt5514_controls,
171         .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5514_controls),
172         .dapm_widgets = mt8173_rt5650_rt5514_widgets,
173         .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5514_widgets),
174         .dapm_routes = mt8173_rt5650_rt5514_routes,
175         .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5514_routes),
176 };
177 
178 static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev)
179 {
180         struct snd_soc_card *card = &mt8173_rt5650_rt5514_card;
181         struct device_node *platform_node;
182         struct snd_soc_dai_link *dai_link;
183         int i, ret;
184 
185         platform_node = of_parse_phandle(pdev->dev.of_node,
186                                          "mediatek,platform", 0);
187         if (!platform_node) {
188                 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
189                 return -EINVAL;
190         }
191 
192         for_each_card_prelinks(card, i, dai_link) {
193                 if (dai_link->platforms->name)
194                         continue;
195                 dai_link->platforms->of_node = platform_node;
196         }
197 
198         mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
199                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
200         if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
201                 dev_err(&pdev->dev,
202                         "Property 'audio-codec' missing or invalid\n");
203                 return -EINVAL;
204         }
205         mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
206                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
207         if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) {
208                 dev_err(&pdev->dev,
209                         "Property 'audio-codec' missing or invalid\n");
210                 return -EINVAL;
211         }
212         mt8173_rt5650_rt5514_codec_conf[0].of_node =
213                 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
214 
215         card->dev = &pdev->dev;
216 
217         ret = devm_snd_soc_register_card(&pdev->dev, card);
218         if (ret)
219                 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
220                         __func__, ret);
221         return ret;
222 }
223 
224 static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = {
225         { .compatible = "mediatek,mt8173-rt5650-rt5514", },
226         { }
227 };
228 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match);
229 
230 static struct platform_driver mt8173_rt5650_rt5514_driver = {
231         .driver = {
232                    .name = "mtk-rt5650-rt5514",
233                    .of_match_table = mt8173_rt5650_rt5514_dt_match,
234 #ifdef CONFIG_PM
235                    .pm = &snd_soc_pm_ops,
236 #endif
237         },
238         .probe = mt8173_rt5650_rt5514_dev_probe,
239 };
240 
241 module_platform_driver(mt8173_rt5650_rt5514_driver);
242 
243 /* Module information */
244 MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver");
245 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
246 MODULE_LICENSE("GPL v2");
247 MODULE_ALIAS("platform:mtk-rt5650-rt5514");
248 
249 

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