sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * mt8173-rt5650-rt5676.c  --  MT8173 machine driver with RT5650/5676 codecs
   4  *
   5  * Copyright (c) 2015 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 #include "../../codecs/rt5677.h"
  16
  17 #define MCLK_FOR_CODECS         12288000
  18
  19 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5676_widgets[] = {
  20         SND_SOC_DAPM_SPK("Speaker", NULL),
  21         SND_SOC_DAPM_MIC("Int Mic", NULL),
  22         SND_SOC_DAPM_HP("Headphone", NULL),
  23         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  24 };
  25
  26 static const struct snd_soc_dapm_route mt8173_rt5650_rt5676_routes[] = {
  27         {"Speaker", NULL, "SPOL"},
  28         {"Speaker", NULL, "SPOR"},
  29         {"Speaker", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650  */
  30         {"Sub DMIC L1", NULL, "Int Mic"}, /* DMIC from 5676 */
  31         {"Sub DMIC R1", NULL, "Int Mic"},
  32         {"Headphone", NULL, "HPOL"},
  33         {"Headphone", NULL, "HPOR"},
  34         {"Headphone", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650  */
  35         {"IN1P", NULL, "Headset Mic"},
  36         {"IN1N", NULL, "Headset Mic"},
  37         {"Sub AIF2RX", NULL, "Headset Mic"}, /* IF2 DAC from 5650  */
  38 };
  39
  40 static const struct snd_kcontrol_new mt8173_rt5650_rt5676_controls[] = {
  41         SOC_DAPM_PIN_SWITCH("Speaker"),
  42         SOC_DAPM_PIN_SWITCH("Int Mic"),
  43         SOC_DAPM_PIN_SWITCH("Headphone"),
  44         SOC_DAPM_PIN_SWITCH("Headset Mic"),
  45 };
  46
  47 static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream,
  48                                           struct snd_pcm_hw_params *params)
  49 {
  50         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  51         int i, ret;
  52
  53         for (i = 0; i < rtd->num_codecs; i++) {
  54                 struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
  55
  56                 /* pll from mclk 12.288M */
  57                 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
  58                                           params_rate(params) * 512);
  59                 if (ret)
  60                         return ret;
  61
  62                 /* sysclk from pll */
  63                 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
  64                                              params_rate(params) * 512,
  65                                              SND_SOC_CLOCK_IN);
  66                 if (ret)
  67                         return ret;
  68         }
  69         return 0;
  70 }
  71
  72 static const struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
  73         .hw_params = mt8173_rt5650_rt5676_hw_params,
  74 };
  75
  76 static struct snd_soc_jack mt8173_rt5650_rt5676_jack;
  77
  78 static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime)
  79 {
  80         struct snd_soc_card *card = runtime->card;
  81         struct snd_soc_component *component = runtime->codec_dais[0]->component;
  82         struct snd_soc_component *component_sub = runtime->codec_dais[1]->component;
  83         int ret;
  84
  85         rt5645_sel_asrc_clk_src(component,
  86                                 RT5645_DA_STEREO_FILTER |
  87                                 RT5645_AD_STEREO_FILTER,
  88                                 RT5645_CLK_SEL_I2S1_ASRC);
  89         rt5677_sel_asrc_clk_src(component_sub,
  90                                 RT5677_DA_STEREO_FILTER |
  91                                 RT5677_AD_STEREO1_FILTER,
  92                                 RT5677_CLK_SEL_I2S1_ASRC);
  93         rt5677_sel_asrc_clk_src(component_sub,
  94                                 RT5677_AD_STEREO2_FILTER |
  95                                 RT5677_I2S2_SOURCE,
  96                                 RT5677_CLK_SEL_I2S2_ASRC);
  97
  98         /* enable jack detection */
  99         ret = snd_soc_card_jack_new(card, "Headset Jack",
 100                                     SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
 101                                     SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 102                                     SND_JACK_BTN_2 | SND_JACK_BTN_3,
 103                                     &mt8173_rt5650_rt5676_jack, NULL, 0);
 104         if (ret) {
 105                 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
 106                 return ret;
 107         }
 108
 109         return rt5645_set_jack_detect(component,
 110                                       &mt8173_rt5650_rt5676_jack,
 111                                       &mt8173_rt5650_rt5676_jack,
 112                                       &mt8173_rt5650_rt5676_jack);
 113 }
 114
 115 static struct snd_soc_dai_link_component mt8173_rt5650_rt5676_codecs[] = {
 116         {
 117                 .dai_name = "rt5645-aif1",
 118         },
 119         {
 120                 .dai_name = "rt5677-aif1",
 121         },
 122 };
 123
 124 enum {
 125         DAI_LINK_PLAYBACK,
 126         DAI_LINK_CAPTURE,
 127         DAI_LINK_HDMI,
 128         DAI_LINK_CODEC_I2S,
 129         DAI_LINK_HDMI_I2S,
 130         DAI_LINK_INTERCODEC
 131 };
 132
 133 /* Digital audio interface glue - connects codec <---> CPU */
 134 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
 135         /* Front End DAI links */
 136         [DAI_LINK_PLAYBACK] = {
 137                 .name = "rt5650_rt5676 Playback",
 138                 .stream_name = "rt5650_rt5676 Playback",
 139                 .cpu_dai_name = "DL1",
 140                 .codec_name = "snd-soc-dummy",
 141                 .codec_dai_name = "snd-soc-dummy-dai",
 142                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 143                 .dynamic = 1,
 144                 .dpcm_playback = 1,
 145         },
 146         [DAI_LINK_CAPTURE] = {
 147                 .name = "rt5650_rt5676 Capture",
 148                 .stream_name = "rt5650_rt5676 Capture",
 149                 .cpu_dai_name = "VUL",
 150                 .codec_name = "snd-soc-dummy",
 151                 .codec_dai_name = "snd-soc-dummy-dai",
 152                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 153                 .dynamic = 1,
 154                 .dpcm_capture = 1,
 155         },
 156         [DAI_LINK_HDMI] = {
 157                 .name = "HDMI",
 158                 .stream_name = "HDMI PCM",
 159                 .cpu_dai_name = "HDMI",
 160                 .codec_name = "snd-soc-dummy",
 161                 .codec_dai_name = "snd-soc-dummy-dai",
 162                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 163                 .dynamic = 1,
 164                 .dpcm_playback = 1,
 165         },
 166
 167         /* Back End DAI links */
 168         [DAI_LINK_CODEC_I2S] = {
 169                 .name = "Codec",
 170                 .cpu_dai_name = "I2S",
 171                 .no_pcm = 1,
 172                 .codecs = mt8173_rt5650_rt5676_codecs,
 173                 .num_codecs = 2,
 174                 .init = mt8173_rt5650_rt5676_init,
 175                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 176                            SND_SOC_DAIFMT_CBS_CFS,
 177                 .ops = &mt8173_rt5650_rt5676_ops,
 178                 .ignore_pmdown_time = 1,
 179                 .dpcm_playback = 1,
 180                 .dpcm_capture = 1,
 181         },
 182         [DAI_LINK_HDMI_I2S] = {
 183                 .name = "HDMI BE",
 184                 .cpu_dai_name = "HDMIO",
 185                 .no_pcm = 1,
 186                 .codec_dai_name = "i2s-hifi",
 187                 .dpcm_playback = 1,
 188         },
 189         /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
 190         [DAI_LINK_INTERCODEC] = {
 191                 .name = "rt5650_rt5676 intercodec",
 192                 .stream_name = "rt5650_rt5676 intercodec",
 193                 .cpu_dai_name = "snd-soc-dummy-dai",
 194                 .platform_name = "snd-soc-dummy",
 195                 .no_pcm = 1,
 196                 .codec_dai_name = "rt5677-aif2",
 197                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 198                            SND_SOC_DAIFMT_CBM_CFM,
 199         },
 200
 201 };
 202
 203 static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = {
 204         {
 205                 .name_prefix = "Sub",
 206         },
 207 };
 208
 209 static struct snd_soc_card mt8173_rt5650_rt5676_card = {
 210         .name = "mtk-rt5650-rt5676",
 211         .owner = THIS_MODULE,
 212         .dai_link = mt8173_rt5650_rt5676_dais,
 213         .num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais),
 214         .codec_conf = mt8173_rt5650_rt5676_codec_conf,
 215         .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf),
 216         .controls = mt8173_rt5650_rt5676_controls,
 217         .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls),
 218         .dapm_widgets = mt8173_rt5650_rt5676_widgets,
 219         .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets),
 220         .dapm_routes = mt8173_rt5650_rt5676_routes,
 221         .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes),
 222 };
 223
 224 static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev)
 225 {
 226         struct snd_soc_card *card = &mt8173_rt5650_rt5676_card;
 227         struct device_node *platform_node;
 228         int i, ret;
 229
 230         platform_node = of_parse_phandle(pdev->dev.of_node,
 231                                          "mediatek,platform", 0);
 232         if (!platform_node) {
 233                 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
 234                 return -EINVAL;
 235         }
 236
 237         for (i = 0; i < card->num_links; i++) {
 238                 if (mt8173_rt5650_rt5676_dais[i].platform_name)
 239                         continue;
 240                 mt8173_rt5650_rt5676_dais[i].platform_of_node = platform_node;
 241         }
 242
 243         mt8173_rt5650_rt5676_codecs[0].of_node =
 244                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
 245         if (!mt8173_rt5650_rt5676_codecs[0].of_node) {
 246                 dev_err(&pdev->dev,
 247                         "Property 'audio-codec' missing or invalid\n");
 248                 ret = -EINVAL;
 249                 goto put_node;
 250         }
 251         mt8173_rt5650_rt5676_codecs[1].of_node =
 252                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
 253         if (!mt8173_rt5650_rt5676_codecs[1].of_node) {
 254                 dev_err(&pdev->dev,
 255                         "Property 'audio-codec' missing or invalid\n");
 256                 ret = -EINVAL;
 257                 goto put_node;
 258         }
 259         mt8173_rt5650_rt5676_codec_conf[0].of_node =
 260                 mt8173_rt5650_rt5676_codecs[1].of_node;
 261
 262         mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codec_of_node =
 263                 mt8173_rt5650_rt5676_codecs[1].of_node;
 264
 265         mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codec_of_node =
 266                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2);
 267         if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codec_of_node) {
 268                 dev_err(&pdev->dev,
 269                         "Property 'audio-codec' missing or invalid\n");
 270                 ret = -EINVAL;
 271                 goto put_node;
 272         }
 273
 274         card->dev = &pdev->dev;
 275
 276         ret = devm_snd_soc_register_card(&pdev->dev, card);
 277         if (ret)
 278                 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
 279                         __func__, ret);
 280
 281 put_node:
 282         of_node_put(platform_node);
 283         return ret;
 284 }
 285
 286 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
 287         { .compatible = "mediatek,mt8173-rt5650-rt5676", },
 288         { }
 289 };
 290 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
 291
 292 static struct platform_driver mt8173_rt5650_rt5676_driver = {
 293         .driver = {
 294                    .name = "mtk-rt5650-rt5676",
 295                    .of_match_table = mt8173_rt5650_rt5676_dt_match,
 296 #ifdef CONFIG_PM
 297                    .pm = &snd_soc_pm_ops,
 298 #endif
 299         },
 300         .probe = mt8173_rt5650_rt5676_dev_probe,
 301 };
 302
 303 module_platform_driver(mt8173_rt5650_rt5676_driver);
 304
 305 /* Module information */
 306 MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
 307 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
 308 MODULE_LICENSE("GPL v2");
 309 MODULE_ALIAS("platform:mtk-rt5650-rt5676");
 310