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