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 = snd_soc_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 = snd_soc_substream_to_rtd(substream);
 113         struct snd_soc_dai *codec_dai = snd_soc_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                 SND_SOC_DAILINK_REG(ssp0_pin, rt5660_codec, platform),
 185         },
 186         {
 187                 .name = "dmic48k",
 188                 .id = 1,
 189                 .ignore_suspend = 1,
 190                 .dpcm_capture = 1,
 191                 .no_pcm = 1,
 192                 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
 193         },
 194         {
 195                 .name = "dmic16k",
 196                 .id = 2,
 197                 .ignore_suspend = 1,
 198                 .dpcm_capture = 1,
 199                 .no_pcm = 1,
 200                 SND_SOC_DAILINK_REG(dmic16k, dmic_codec, platform),
 201         },
 202         {
 203                 .name = "iDisp1",
 204                 .id = 5,
 205                 .init = hdmi_init,
 206                 .dpcm_playback = 1,
 207                 .no_pcm = 1,
 208                 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
 209         },
 210         {
 211                 .name = "iDisp2",
 212                 .id = 6,
 213                 .init = hdmi_init,
 214                 .dpcm_playback = 1,
 215                 .no_pcm = 1,
 216                 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
 217         },
 218         {
 219                 .name = "iDisp3",
 220                 .id = 7,
 221                 .init = hdmi_init,
 222                 .dpcm_playback = 1,
 223                 .no_pcm = 1,
 224                 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
 225         },
 226         {
 227                 .name = "iDisp4",
 228                 .id = 8,
 229                 .init = hdmi_init,
 230                 .dpcm_playback = 1,
 231                 .no_pcm = 1,
 232                 SND_SOC_DAILINK_REG(idisp4_pin, idisp4_codec, platform),
 233         },
 234 };
 235
 236 /* SoC card */
 237 static struct snd_soc_card snd_soc_card_ehl_rt5660 = {
 238         .name = "ehl-rt5660",
 239         .owner = THIS_MODULE,
 240         .dai_link = ehl_rt5660_dailink,
 241         .num_links = ARRAY_SIZE(ehl_rt5660_dailink),
 242         .dapm_widgets = rt5660_widgets,
 243         .num_dapm_widgets = ARRAY_SIZE(rt5660_widgets),
 244         .dapm_routes = rt5660_map,
 245         .num_dapm_routes = ARRAY_SIZE(rt5660_map),
 246         .controls = rt5660_controls,
 247         .num_controls = ARRAY_SIZE(rt5660_controls),
 248         .fully_routed = true,
 249         .late_probe = card_late_probe,
 250 };
 251
 252 /* If hdmi codec is not supported, switch to use dummy codec */
 253 static void hdmi_link_init(struct snd_soc_card *card,
 254                            struct sof_card_private *ctx,
 255                            struct snd_soc_acpi_mach *mach)
 256 {
 257         int i;
 258
 259         if (mach->mach_params.common_hdmi_codec_drv &&
 260             (mach->mach_params.codec_mask & IDISP_CODEC_MASK)) {
 261                 ctx->idisp_codec = true;
 262                 return;
 263         }
 264
 265         /*
 266          * if HDMI is not enabled in kernel config, or
 267          * hdmi codec is not supported
 268          */
 269         for (i = HDMI_LINK_START; i <= HDMI_LINE_END; i++)
 270                 card->dai_link[i].codecs[0] = snd_soc_dummy_dlc;
 271 }
 272
 273 static int snd_ehl_rt5660_probe(struct platform_device *pdev)
 274 {
 275         struct snd_soc_acpi_mach *mach;
 276         struct snd_soc_card *card = &snd_soc_card_ehl_rt5660;
 277         struct sof_card_private *ctx;
 278         int ret;
 279
 280         card->dev = &pdev->dev;
 281
 282         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
 283         if (!ctx)
 284                 return -ENOMEM;
 285         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 286         snd_soc_card_set_drvdata(card, ctx);
 287
 288         mach = pdev->dev.platform_data;
 289         ret = snd_soc_fixup_dai_links_platform_name(card,
 290                                                     mach->mach_params.platform);
 291         if (ret)
 292                 return ret;
 293
 294         hdmi_link_init(card, ctx, mach);
 295
 296         return devm_snd_soc_register_card(&pdev->dev, card);
 297 }
 298
 299 static const struct platform_device_id ehl_board_ids[] = {
 300         { .name = "ehl_rt5660" },
 301         { }
 302 };
 303 MODULE_DEVICE_TABLE(platform, ehl_board_ids);
 304
 305 static struct platform_driver snd_ehl_rt5660_driver = {
 306         .driver = {
 307                 .name = "ehl_rt5660",
 308                 .pm = &snd_soc_pm_ops,
 309         },
 310         .probe = snd_ehl_rt5660_probe,
 311         .id_table = ehl_board_ids,
 312 };
 313
 314 module_platform_driver(snd_ehl_rt5660_driver);
 315
 316 MODULE_DESCRIPTION("ASoC Intel(R) Elkhartlake + rt5660 Machine driver");
 317 MODULE_AUTHOR("libin.yang@intel.com");
 318 MODULE_LICENSE("GPL v2");
 319 MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);