sound/soc/intel/boards/ehl_rt5660.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 // Copyright (c) 2020 Intel Corporation
   3
   4 /*
   5  * ehl_rt5660 - ASOC Machine driver for Elkhart Lake platforms
   6  * with rt5660 codec
   7  */
   8
   9 #include <linux/acpi.h>
  10 #include <sound/core.h>
  11 #include <linux/device.h>
  12 #include <linux/errno.h>
  13 #include <linux/gfp.h>
  14 #include <sound/jack.h>
  15 #include <linux/kernel.h>
  16 #include <linux/list.h>
  17 #include <linux/module.h>
  18 #include <sound/pcm.h>
  19 #include <sound/pcm_params.h>
  20 #include <sound/soc.h>
  21 #include <sound/soc-acpi.h>
  22
  23 #include "hda_dsp_common.h"
  24 #include "../../codecs/rt5660.h"
  25
  26 #define DUAL_CHANNEL 2
  27 #define HDMI_LINK_START 3
  28 #define HDMI_LINE_END 6
  29 #define NAME_SIZE       32
  30 #define IDISP_CODEC_MASK        0x4
  31
  32 struct sof_card_private {
  33         struct list_head hdmi_pcm_list;
  34         bool idisp_codec;
  35 };
  36
  37 static const struct snd_kcontrol_new rt5660_controls[] = {
  38         SOC_DAPM_PIN_SWITCH("Speaker"),
  39         /* There are two MICBIAS in rt5660, each for one MIC */
  40         SOC_DAPM_PIN_SWITCH("Headset Mic"),
  41         SOC_DAPM_PIN_SWITCH("Headset Mic2"),
  42         SOC_DAPM_PIN_SWITCH("Line Out"),
  43 };
  44
  45 static const struct snd_soc_dapm_widget rt5660_widgets[] = {
  46         SND_SOC_DAPM_SPK("Speaker", NULL),
  47         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  48         SND_SOC_DAPM_MIC("Headset Mic2", NULL),
  49         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
  50         SND_SOC_DAPM_LINE("Line Out", NULL),
  51 };
  52
  53 static const struct snd_soc_dapm_route rt5660_map[] = {
  54         {"Speaker", NULL, "SPO"},
  55
  56         {"Headset Mic", NULL, "MICBIAS1"},
  57         {"Headset Mic2", NULL, "MICBIAS2"},
  58
  59         {"IN1P", NULL, "Headset Mic"},
  60         {"IN2P", NULL, "Headset Mic2"},
  61
  62         {"Line Out", NULL, "LOUTL"},
  63         {"Line Out", NULL, "LOUTR"},
  64
  65         {"DMic", NULL, "SoC DMIC"},
  66 };
  67
  68 struct sof_hdmi_pcm {
  69         struct list_head head;
  70         struct snd_soc_dai *codec_dai;
  71         int device;
  72 };
  73
  74 static int hdmi_init(struct snd_soc_pcm_runtime *rtd)
  75 {
  76         struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
  77         struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
  78         struct sof_hdmi_pcm *pcm;
  79
  80         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
  81         if (!pcm)
  82                 return -ENOMEM;
  83
  84         /* dai_link id is 1:1 mapped to the PCM device */
  85         pcm->device = rtd->dai_link->id;
  86         pcm->codec_dai = dai;
  87
  88         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
  89
  90         return 0;
  91 }
  92
  93 static int card_late_probe(struct snd_soc_card *card)
  94 {
  95         struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
  96         struct sof_hdmi_pcm *pcm;
  97
  98         if (list_empty(&ctx->hdmi_pcm_list))
  99                 return -ENOENT;
 100
 101         if (!ctx->idisp_codec)
 102                 return 0;
 103
 104         pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, head);
 105
 106         return hda_dsp_hdmi_build_controls(card, pcm->codec_dai->component);
 107 }
 108
 109 static int rt5660_hw_params(struct snd_pcm_substream *substream,
 110                             struct snd_pcm_hw_params *params)
 111 {
 112         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 113         struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 114         int ret;
 115
 116         ret = snd_soc_dai_set_sysclk(codec_dai,
 117                                      RT5660_SCLK_S_PLL1,
 118                                      params_rate(params) * 512,
 119                                      SND_SOC_CLOCK_IN);
 120         if (ret < 0) {
 121                 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
 122                 return ret;
 123         }
 124
 125         ret = snd_soc_dai_set_pll(codec_dai, 0,
 126                                   RT5660_PLL1_S_BCLK,
 127                                   params_rate(params) * 50,
 128                                   params_rate(params) * 512);
 129         if (ret < 0)
 130                 dev_err(codec_dai->dev, "can't set codec pll: %d\n", ret);
 131
 132         return ret;
 133 }
 134
 135 static struct snd_soc_ops rt5660_ops = {
 136         .hw_params = rt5660_hw_params,
 137 };
 138
 139 SND_SOC_DAILINK_DEF(ssp0_pin,
 140         DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
 141
 142 SND_SOC_DAILINK_DEF(rt5660_codec,
 143         DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5660:00", "rt5660-aif1")));
 144
 145 SND_SOC_DAILINK_DEF(platform,
 146         DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
 147
 148 SND_SOC_DAILINK_DEF(dmic_pin,
 149         DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
 150 SND_SOC_DAILINK_DEF(dmic_codec,
 151         DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
 152 SND_SOC_DAILINK_DEF(dmic16k,
 153         DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k Pin")));
 154
 155 SND_SOC_DAILINK_DEF(idisp1_pin,
 156         DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
 157 SND_SOC_DAILINK_DEF(idisp1_codec,
 158         DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
 159
 160 SND_SOC_DAILINK_DEF(idisp2_pin,
 161         DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
 162 SND_SOC_DAILINK_DEF(idisp2_codec,
 163         DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
 164
 165 SND_SOC_DAILINK_DEF(idisp3_pin,
 166         DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
 167 SND_SOC_DAILINK_DEF(idisp3_codec,
 168         DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
 169
 170 SND_SOC_DAILINK_DEF(idisp4_pin,
 171         DAILINK_COMP_ARRAY(COMP_CPU("iDisp4 Pin")));
 172 SND_SOC_DAILINK_DEF(idisp4_codec,
 173         DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi4")));
 174
 175 static struct snd_soc_dai_link ehl_rt5660_dailink[] = {
 176         /* back ends */
 177         {
 178                 .name = "SSP0-Codec",
 179                 .id = 0,
 180                 .no_pcm = 1,
 181                 .dpcm_playback = 1,
 182                 .dpcm_capture = 1,
 183                 .ops = &rt5660_ops,
 184                 .nonatomic = true,
 185                 SND_SOC_DAILINK_REG(ssp0_pin, rt5660_codec, platform),
 186         },
 187         {
 188                 .name = "dmic48k",
 189                 .id = 1,
 190                 .ignore_suspend = 1,
 191                 .dpcm_capture = 1,
 192                 .no_pcm = 1,
 193                 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
 194         },
 195         {
 196                 .name = "dmic16k",
 197                 .id = 2,
 198                 .ignore_suspend = 1,
 199                 .dpcm_capture = 1,
 200                 .no_pcm = 1,
 201                 SND_SOC_DAILINK_REG(dmic16k, dmic_codec, platform),
 202         },
 203         {
 204                 .name = "iDisp1",
 205                 .id = 5,
 206                 .init = hdmi_init,
 207                 .dpcm_playback = 1,
 208                 .no_pcm = 1,
 209                 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
 210         },
 211         {
 212                 .name = "iDisp2",
 213                 .id = 6,
 214                 .init = hdmi_init,
 215                 .dpcm_playback = 1,
 216                 .no_pcm = 1,
 217                 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
 218         },
 219         {
 220                 .name = "iDisp3",
 221                 .id = 7,
 222                 .init = hdmi_init,
 223                 .dpcm_playback = 1,
 224                 .no_pcm = 1,
 225                 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
 226         },
 227         {
 228                 .name = "iDisp4",
 229                 .id = 8,
 230                 .init = hdmi_init,
 231                 .dpcm_playback = 1,
 232                 .no_pcm = 1,
 233                 SND_SOC_DAILINK_REG(idisp4_pin, idisp4_codec, platform),
 234         },
 235 };
 236
 237 /* SoC card */
 238 static struct snd_soc_card snd_soc_card_ehl_rt5660 = {
 239         .name = "ehl-rt5660",
 240         .owner = THIS_MODULE,
 241         .dai_link = ehl_rt5660_dailink,
 242         .num_links = ARRAY_SIZE(ehl_rt5660_dailink),
 243         .dapm_widgets = rt5660_widgets,
 244         .num_dapm_widgets = ARRAY_SIZE(rt5660_widgets),
 245         .dapm_routes = rt5660_map,
 246         .num_dapm_routes = ARRAY_SIZE(rt5660_map),
 247         .controls = rt5660_controls,
 248         .num_controls = ARRAY_SIZE(rt5660_controls),
 249         .fully_routed = true,
 250         .late_probe = card_late_probe,
 251 };
 252
 253 /* If hdmi codec is not supported, switch to use dummy codec */
 254 static void hdmi_link_init(struct snd_soc_card *card,
 255                            struct sof_card_private *ctx,
 256                            struct snd_soc_acpi_mach *mach)
 257 {
 258         struct snd_soc_dai_link *link;
 259         int i;
 260
 261         if (mach->mach_params.common_hdmi_codec_drv &&
 262             (mach->mach_params.codec_mask & IDISP_CODEC_MASK)) {
 263                 ctx->idisp_codec = true;
 264                 return;
 265         }
 266
 267         /*
 268          * if HDMI is not enabled in kernel config, or
 269          * hdmi codec is not supported
 270          */
 271         for (i = HDMI_LINK_START; i <= HDMI_LINE_END; i++) {
 272                 link = &card->dai_link[i];
 273                 link->codecs[0].name = "snd-soc-dummy";
 274                 link->codecs[0].dai_name = "snd-soc-dummy-dai";
 275         }
 276 }
 277
 278 static int snd_ehl_rt5660_probe(struct platform_device *pdev)
 279 {
 280         struct snd_soc_acpi_mach *mach;
 281         struct snd_soc_card *card = &snd_soc_card_ehl_rt5660;
 282         struct sof_card_private *ctx;
 283         int ret;
 284
 285         card->dev = &pdev->dev;
 286
 287         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
 288         if (!ctx)
 289                 return -ENOMEM;
 290         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 291         snd_soc_card_set_drvdata(card, ctx);
 292
 293         mach = pdev->dev.platform_data;
 294         ret = snd_soc_fixup_dai_links_platform_name(card,
 295                                                     mach->mach_params.platform);
 296         if (ret)
 297                 return ret;
 298
 299         hdmi_link_init(card, ctx, mach);
 300
 301         return devm_snd_soc_register_card(&pdev->dev, card);
 302 }
 303
 304 static const struct platform_device_id ehl_board_ids[] = {
 305         { .name = "ehl_rt5660" },
 306         { }
 307 };
 308
 309 static struct platform_driver snd_ehl_rt5660_driver = {
 310         .driver = {
 311                 .name = "ehl_rt5660",
 312                 .pm = &snd_soc_pm_ops,
 313         },
 314         .probe = snd_ehl_rt5660_probe,
 315         .id_table = ehl_board_ids,
 316 };
 317
 318 module_platform_driver(snd_ehl_rt5660_driver);
 319
 320 MODULE_DESCRIPTION("ASoC Intel(R) Elkhartlake + rt5660 Machine driver");
 321 MODULE_AUTHOR("libin.yang@intel.com");
 322 MODULE_LICENSE("GPL v2");
 323 MODULE_ALIAS("platform:ehl_rt5660");