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 = asoc_substream_to_rtd(substream);
  51         struct snd_soc_dai *codec_dai;
  52         int i, ret;
  53
  54         for_each_rtd_codec_dais(rtd, i, codec_dai) {
  55                 /* pll from mclk 12.288M */
  56                 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
  57                                           params_rate(params) * 512);
  58                 if (ret)
  59                         return ret;
  60
  61                 /* sysclk from pll */
  62                 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
  63                                              params_rate(params) * 512,
  64                                              SND_SOC_CLOCK_IN);
  65                 if (ret)
  66                         return ret;
  67         }
  68         return 0;
  69 }
  70
  71 static const struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
  72         .hw_params = mt8173_rt5650_rt5676_hw_params,
  73 };
  74
  75 static struct snd_soc_jack mt8173_rt5650_rt5676_jack;
  76
  77 static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime)
  78 {
  79         struct snd_soc_card *card = runtime->card;
  80         struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
  81         struct snd_soc_component *component_sub = asoc_rtd_to_codec(runtime, 1)->component;
  82         int ret;
  83
  84         rt5645_sel_asrc_clk_src(component,
  85                                 RT5645_DA_STEREO_FILTER |
  86                                 RT5645_AD_STEREO_FILTER,
  87                                 RT5645_CLK_SEL_I2S1_ASRC);
  88         rt5677_sel_asrc_clk_src(component_sub,
  89                                 RT5677_DA_STEREO_FILTER |
  90                                 RT5677_AD_STEREO1_FILTER,
  91                                 RT5677_CLK_SEL_I2S1_ASRC);
  92         rt5677_sel_asrc_clk_src(component_sub,
  93                                 RT5677_AD_STEREO2_FILTER |
  94                                 RT5677_I2S2_SOURCE,
  95                                 RT5677_CLK_SEL_I2S2_ASRC);
  96
  97         /* enable jack detection */
  98         ret = snd_soc_card_jack_new(card, "Headset Jack",
  99                                     SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
 100                                     SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 101                                     SND_JACK_BTN_2 | SND_JACK_BTN_3,
 102                                     &mt8173_rt5650_rt5676_jack);
 103         if (ret) {
 104                 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
 105                 return ret;
 106         }
 107
 108         return rt5645_set_jack_detect(component,
 109                                       &mt8173_rt5650_rt5676_jack,
 110                                       &mt8173_rt5650_rt5676_jack,
 111                                       &mt8173_rt5650_rt5676_jack);
 112 }
 113
 114
 115 enum {
 116         DAI_LINK_PLAYBACK,
 117         DAI_LINK_CAPTURE,
 118         DAI_LINK_HDMI,
 119         DAI_LINK_CODEC_I2S,
 120         DAI_LINK_HDMI_I2S,
 121         DAI_LINK_INTERCODEC
 122 };
 123
 124 SND_SOC_DAILINK_DEFS(playback,
 125         DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
 126         DAILINK_COMP_ARRAY(COMP_DUMMY()),
 127         DAILINK_COMP_ARRAY(COMP_EMPTY()));
 128
 129 SND_SOC_DAILINK_DEFS(capture,
 130         DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
 131         DAILINK_COMP_ARRAY(COMP_DUMMY()),
 132         DAILINK_COMP_ARRAY(COMP_EMPTY()));
 133
 134 SND_SOC_DAILINK_DEFS(hdmi_pcm,
 135         DAILINK_COMP_ARRAY(COMP_CPU("HDMI")),
 136         DAILINK_COMP_ARRAY(COMP_DUMMY()),
 137         DAILINK_COMP_ARRAY(COMP_EMPTY()));
 138
 139 SND_SOC_DAILINK_DEFS(codec,
 140         DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
 141         DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
 142                            COMP_CODEC(NULL, "rt5677-aif1")),
 143         DAILINK_COMP_ARRAY(COMP_EMPTY()));
 144
 145 SND_SOC_DAILINK_DEFS(hdmi_be,
 146         DAILINK_COMP_ARRAY(COMP_CPU("HDMIO")),
 147         DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
 148         DAILINK_COMP_ARRAY(COMP_EMPTY()));
 149
 150 SND_SOC_DAILINK_DEFS(intercodec,
 151         DAILINK_COMP_ARRAY(COMP_DUMMY()),
 152         DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5677-aif2")),
 153         DAILINK_COMP_ARRAY(COMP_DUMMY()));
 154
 155 /* Digital audio interface glue - connects codec <---> CPU */
 156 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
 157         /* Front End DAI links */
 158         [DAI_LINK_PLAYBACK] = {
 159                 .name = "rt5650_rt5676 Playback",
 160                 .stream_name = "rt5650_rt5676 Playback",
 161                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 162                 .dynamic = 1,
 163                 .dpcm_playback = 1,
 164                 SND_SOC_DAILINK_REG(playback),
 165         },
 166         [DAI_LINK_CAPTURE] = {
 167                 .name = "rt5650_rt5676 Capture",
 168                 .stream_name = "rt5650_rt5676 Capture",
 169                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 170                 .dynamic = 1,
 171                 .dpcm_capture = 1,
 172                 SND_SOC_DAILINK_REG(capture),
 173         },
 174         [DAI_LINK_HDMI] = {
 175                 .name = "HDMI",
 176                 .stream_name = "HDMI PCM",
 177                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 178                 .dynamic = 1,
 179                 .dpcm_playback = 1,
 180                 SND_SOC_DAILINK_REG(hdmi_pcm),
 181         },
 182
 183         /* Back End DAI links */
 184         [DAI_LINK_CODEC_I2S] = {
 185                 .name = "Codec",
 186                 .no_pcm = 1,
 187                 .init = mt8173_rt5650_rt5676_init,
 188                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 189                            SND_SOC_DAIFMT_CBS_CFS,
 190                 .ops = &mt8173_rt5650_rt5676_ops,
 191                 .ignore_pmdown_time = 1,
 192                 .dpcm_playback = 1,
 193                 .dpcm_capture = 1,
 194                 SND_SOC_DAILINK_REG(codec),
 195         },
 196         [DAI_LINK_HDMI_I2S] = {
 197                 .name = "HDMI BE",
 198                 .no_pcm = 1,
 199                 .dpcm_playback = 1,
 200                 SND_SOC_DAILINK_REG(hdmi_be),
 201         },
 202         /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
 203         [DAI_LINK_INTERCODEC] = {
 204                 .name = "rt5650_rt5676 intercodec",
 205                 .stream_name = "rt5650_rt5676 intercodec",
 206                 .no_pcm = 1,
 207                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 208                            SND_SOC_DAIFMT_CBM_CFM,
 209                 SND_SOC_DAILINK_REG(intercodec),
 210         },
 211 };
 212
 213 static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = {
 214         {
 215                 .name_prefix = "Sub",
 216         },
 217 };
 218
 219 static struct snd_soc_card mt8173_rt5650_rt5676_card = {
 220         .name = "mtk-rt5650-rt5676",
 221         .owner = THIS_MODULE,
 222         .dai_link = mt8173_rt5650_rt5676_dais,
 223         .num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais),
 224         .codec_conf = mt8173_rt5650_rt5676_codec_conf,
 225         .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf),
 226         .controls = mt8173_rt5650_rt5676_controls,
 227         .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls),
 228         .dapm_widgets = mt8173_rt5650_rt5676_widgets,
 229         .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets),
 230         .dapm_routes = mt8173_rt5650_rt5676_routes,
 231         .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes),
 232 };
 233
 234 static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev)
 235 {
 236         struct snd_soc_card *card = &mt8173_rt5650_rt5676_card;
 237         struct device_node *platform_node;
 238         struct snd_soc_dai_link *dai_link;
 239         int i, ret;
 240
 241         platform_node = of_parse_phandle(pdev->dev.of_node,
 242                                          "mediatek,platform", 0);
 243         if (!platform_node) {
 244                 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
 245                 return -EINVAL;
 246         }
 247
 248         for_each_card_prelinks(card, i, dai_link) {
 249                 if (dai_link->platforms->name)
 250                         continue;
 251                 dai_link->platforms->of_node = platform_node;
 252         }
 253
 254         mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
 255                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
 256         if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
 257                 dev_err(&pdev->dev,
 258                         "Property 'audio-codec' missing or invalid\n");
 259                 return -EINVAL;
 260         }
 261         mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
 262                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
 263         if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) {
 264                 dev_err(&pdev->dev,
 265                         "Property 'audio-codec' missing or invalid\n");
 266                 return -EINVAL;
 267         }
 268         mt8173_rt5650_rt5676_codec_conf[0].dlc.of_node =
 269                 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
 270
 271         mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codecs->of_node =
 272                 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
 273
 274         mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node =
 275                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2);
 276         if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node) {
 277                 dev_err(&pdev->dev,
 278                         "Property 'audio-codec' missing or invalid\n");
 279                 return -EINVAL;
 280         }
 281
 282         card->dev = &pdev->dev;
 283
 284         ret = devm_snd_soc_register_card(&pdev->dev, card);
 285
 286         of_node_put(platform_node);
 287         return ret;
 288 }
 289
 290 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
 291         { .compatible = "mediatek,mt8173-rt5650-rt5676", },
 292         { }
 293 };
 294 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
 295
 296 static struct platform_driver mt8173_rt5650_rt5676_driver = {
 297         .driver = {
 298                    .name = "mtk-rt5650-rt5676",
 299                    .of_match_table = mt8173_rt5650_rt5676_dt_match,
 300                    .pm = &snd_soc_pm_ops,
 301         },
 302         .probe = mt8173_rt5650_rt5676_dev_probe,
 303 };
 304
 305 module_platform_driver(mt8173_rt5650_rt5676_driver);
 306
 307 /* Module information */
 308 MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
 309 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
 310 MODULE_LICENSE("GPL v2");
 311 MODULE_ALIAS("platform:mtk-rt5650-rt5676");
 312