sound/soc/mediatek/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 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