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

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