sound/soc/intel/boards/sof_pcm512x.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 // Copyright(c) 2018-2020 Intel Corporation.
   3
   4 /*
   5  * Intel SOF Machine Driver for Intel platforms with TI PCM512x codec,
   6  * e.g. Up or Up2 with Hifiberry DAC+ HAT
   7  */
   8 #include <linux/clk.h>
   9 #include <linux/dmi.h>
  10 #include <linux/i2c.h>
  11 #include <linux/input.h>
  12 #include <linux/module.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/types.h>
  15 #include <sound/core.h>
  16 #include <sound/jack.h>
  17 #include <sound/pcm.h>
  18 #include <sound/pcm_params.h>
  19 #include <sound/soc.h>
  20 #include <sound/soc-acpi.h>
  21 #include "../../codecs/pcm512x.h"
  22 #include "../common/soc-intel-quirks.h"
  23 #include "hda_dsp_common.h"
  24
  25 #define NAME_SIZE 32
  26
  27 #define SOF_PCM512X_SSP_CODEC(quirk)            ((quirk) & GENMASK(3, 0))
  28 #define SOF_PCM512X_SSP_CODEC_MASK                      (GENMASK(3, 0))
  29 #define SOF_PCM512X_ENABLE_SSP_CAPTURE          BIT(4)
  30 #define SOF_PCM512X_ENABLE_DMIC                 BIT(5)
  31
  32 #define IDISP_CODEC_MASK        0x4
  33
  34 /* Default: SSP5 */
  35 static unsigned long sof_pcm512x_quirk =
  36         SOF_PCM512X_SSP_CODEC(5) |
  37         SOF_PCM512X_ENABLE_SSP_CAPTURE |
  38         SOF_PCM512X_ENABLE_DMIC;
  39
  40 static bool is_legacy_cpu;
  41
  42 struct sof_hdmi_pcm {
  43         struct list_head head;
  44         struct snd_soc_dai *codec_dai;
  45         int device;
  46 };
  47
  48 struct sof_card_private {
  49         struct list_head hdmi_pcm_list;
  50         bool idisp_codec;
  51 };
  52
  53 static int sof_pcm512x_quirk_cb(const struct dmi_system_id *id)
  54 {
  55         sof_pcm512x_quirk = (unsigned long)id->driver_data;
  56         return 1;
  57 }
  58
  59 static const struct dmi_system_id sof_pcm512x_quirk_table[] = {
  60         {
  61                 .callback = sof_pcm512x_quirk_cb,
  62                 .matches = {
  63                         DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
  64                         DMI_MATCH(DMI_PRODUCT_NAME, "UP-CHT01"),
  65                 },
  66                 .driver_data = (void *)(SOF_PCM512X_SSP_CODEC(2)),
  67         },
  68         {}
  69 };
  70
  71 static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
  72 {
  73         struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
  74         struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
  75         struct sof_hdmi_pcm *pcm;
  76
  77         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
  78         if (!pcm)
  79                 return -ENOMEM;
  80
  81         /* dai_link id is 1:1 mapped to the PCM device */
  82         pcm->device = rtd->dai_link->id;
  83         pcm->codec_dai = dai;
  84
  85         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
  86
  87         return 0;
  88 }
  89
  90 static int sof_pcm512x_codec_init(struct snd_soc_pcm_runtime *rtd)
  91 {
  92         struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
  93
  94         snd_soc_component_update_bits(codec, PCM512x_GPIO_EN, 0x08, 0x08);
  95         snd_soc_component_update_bits(codec, PCM512x_GPIO_OUTPUT_4, 0x0f, 0x02);
  96         snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,
  97                                       0x08, 0x08);
  98
  99         return 0;
 100 }
 101
 102 static int aif1_startup(struct snd_pcm_substream *substream)
 103 {
 104         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 105         struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
 106
 107         snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,
 108                                       0x08, 0x08);
 109
 110         return 0;
 111 }
 112
 113 static void aif1_shutdown(struct snd_pcm_substream *substream)
 114 {
 115         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 116         struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
 117
 118         snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,
 119                                       0x08, 0x00);
 120 }
 121
 122 static const struct snd_soc_ops sof_pcm512x_ops = {
 123         .startup = aif1_startup,
 124         .shutdown = aif1_shutdown,
 125 };
 126
 127 static struct snd_soc_dai_link_component platform_component[] = {
 128         {
 129                 /* name might be overridden during probe */
 130                 .name = "0000:00:1f.3"
 131         }
 132 };
 133
 134 static int sof_card_late_probe(struct snd_soc_card *card)
 135 {
 136         struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
 137         struct sof_hdmi_pcm *pcm;
 138
 139         /* HDMI is not supported by SOF on Baytrail/CherryTrail */
 140         if (is_legacy_cpu)
 141                 return 0;
 142
 143         if (list_empty(&ctx->hdmi_pcm_list))
 144                 return -EINVAL;
 145
 146         if (!ctx->idisp_codec)
 147                 return 0;
 148
 149         pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, head);
 150
 151         return hda_dsp_hdmi_build_controls(card, pcm->codec_dai->component);
 152 }
 153
 154 static const struct snd_kcontrol_new sof_controls[] = {
 155         SOC_DAPM_PIN_SWITCH("Ext Spk"),
 156 };
 157
 158 static const struct snd_soc_dapm_widget sof_widgets[] = {
 159         SND_SOC_DAPM_SPK("Ext Spk", NULL),
 160 };
 161
 162 static const struct snd_soc_dapm_widget dmic_widgets[] = {
 163         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 164 };
 165
 166 static const struct snd_soc_dapm_route sof_map[] = {
 167         /* Speaker */
 168         {"Ext Spk", NULL, "OUTR"},
 169         {"Ext Spk", NULL, "OUTL"},
 170 };
 171
 172 static const struct snd_soc_dapm_route dmic_map[] = {
 173         /* digital mics */
 174         {"DMic", NULL, "SoC DMIC"},
 175 };
 176
 177 static int dmic_init(struct snd_soc_pcm_runtime *rtd)
 178 {
 179         struct snd_soc_card *card = rtd->card;
 180         int ret;
 181
 182         ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,
 183                                         ARRAY_SIZE(dmic_widgets));
 184         if (ret) {
 185                 dev_err(card->dev, "DMic widget addition failed: %d\n", ret);
 186                 /* Don't need to add routes if widget addition failed */
 187                 return ret;
 188         }
 189
 190         ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,
 191                                       ARRAY_SIZE(dmic_map));
 192
 193         if (ret)
 194                 dev_err(card->dev, "DMic map addition failed: %d\n", ret);
 195
 196         return ret;
 197 }
 198
 199 /* sof audio machine driver for pcm512x codec */
 200 static struct snd_soc_card sof_audio_card_pcm512x = {
 201         .name = "pcm512x",
 202         .owner = THIS_MODULE,
 203         .controls = sof_controls,
 204         .num_controls = ARRAY_SIZE(sof_controls),
 205         .dapm_widgets = sof_widgets,
 206         .num_dapm_widgets = ARRAY_SIZE(sof_widgets),
 207         .dapm_routes = sof_map,
 208         .num_dapm_routes = ARRAY_SIZE(sof_map),
 209         .fully_routed = true,
 210         .late_probe = sof_card_late_probe,
 211 };
 212
 213 SND_SOC_DAILINK_DEF(pcm512x_component,
 214         DAILINK_COMP_ARRAY(COMP_CODEC("i2c-104C5122:00", "pcm512x-hifi")));
 215 SND_SOC_DAILINK_DEF(dmic_component,
 216         DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
 217
 218 static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
 219                                                           int ssp_codec,
 220                                                           int dmic_be_num,
 221                                                           int hdmi_num,
 222                                                           bool idisp_codec)
 223 {
 224         struct snd_soc_dai_link_component *idisp_components;
 225         struct snd_soc_dai_link_component *cpus;
 226         struct snd_soc_dai_link *links;
 227         int i, id = 0;
 228
 229         links = devm_kcalloc(dev, sof_audio_card_pcm512x.num_links,
 230                         sizeof(struct snd_soc_dai_link), GFP_KERNEL);
 231         cpus = devm_kcalloc(dev, sof_audio_card_pcm512x.num_links,
 232                         sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);
 233         if (!links || !cpus)
 234                 goto devm_err;
 235
 236         /* codec SSP */
 237         links[id].name = devm_kasprintf(dev, GFP_KERNEL,
 238                                         "SSP%d-Codec", ssp_codec);
 239         if (!links[id].name)
 240                 goto devm_err;
 241
 242         links[id].id = id;
 243         links[id].codecs = pcm512x_component;
 244         links[id].num_codecs = ARRAY_SIZE(pcm512x_component);
 245         links[id].platforms = platform_component;
 246         links[id].num_platforms = ARRAY_SIZE(platform_component);
 247         links[id].init = sof_pcm512x_codec_init;
 248         links[id].ops = &sof_pcm512x_ops;
 249         links[id].dpcm_playback = 1;
 250         /*
 251          * capture only supported with specific versions of the Hifiberry DAC+
 252          */
 253         if (sof_pcm512x_quirk & SOF_PCM512X_ENABLE_SSP_CAPTURE)
 254                 links[id].dpcm_capture = 1;
 255         links[id].no_pcm = 1;
 256         links[id].cpus = &cpus[id];
 257         links[id].num_cpus = 1;
 258         if (is_legacy_cpu) {
 259                 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 260                                                           "ssp%d-port",
 261                                                           ssp_codec);
 262                 if (!links[id].cpus->dai_name)
 263                         goto devm_err;
 264         } else {
 265                 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 266                                                           "SSP%d Pin",
 267                                                           ssp_codec);
 268                 if (!links[id].cpus->dai_name)
 269                         goto devm_err;
 270         }
 271         id++;
 272
 273         /* dmic */
 274         if (dmic_be_num > 0) {
 275                 /* at least we have dmic01 */
 276                 links[id].name = "dmic01";
 277                 links[id].cpus = &cpus[id];
 278                 links[id].cpus->dai_name = "DMIC01 Pin";
 279                 links[id].init = dmic_init;
 280                 if (dmic_be_num > 1) {
 281                         /* set up 2 BE links at most */
 282                         links[id + 1].name = "dmic16k";
 283                         links[id + 1].cpus = &cpus[id + 1];
 284                         links[id + 1].cpus->dai_name = "DMIC16k Pin";
 285                         dmic_be_num = 2;
 286                 }
 287         }
 288
 289         for (i = 0; i < dmic_be_num; i++) {
 290                 links[id].id = id;
 291                 links[id].num_cpus = 1;
 292                 links[id].codecs = dmic_component;
 293                 links[id].num_codecs = ARRAY_SIZE(dmic_component);
 294                 links[id].platforms = platform_component;
 295                 links[id].num_platforms = ARRAY_SIZE(platform_component);
 296                 links[id].ignore_suspend = 1;
 297                 links[id].dpcm_capture = 1;
 298                 links[id].no_pcm = 1;
 299                 id++;
 300         }
 301
 302         /* HDMI */
 303         if (hdmi_num > 0) {
 304                 idisp_components = devm_kcalloc(dev, hdmi_num,
 305                                 sizeof(struct snd_soc_dai_link_component),
 306                                 GFP_KERNEL);
 307                 if (!idisp_components)
 308                         goto devm_err;
 309         }
 310         for (i = 1; i <= hdmi_num; i++) {
 311                 links[id].name = devm_kasprintf(dev, GFP_KERNEL,
 312                                                 "iDisp%d", i);
 313                 if (!links[id].name)
 314                         goto devm_err;
 315
 316                 links[id].id = id;
 317                 links[id].cpus = &cpus[id];
 318                 links[id].num_cpus = 1;
 319                 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 320                                                           "iDisp%d Pin", i);
 321                 if (!links[id].cpus->dai_name)
 322                         goto devm_err;
 323
 324                 /*
 325                  * topology cannot be loaded if codec is missing, so
 326                  * use the dummy codec if needed
 327                  */
 328                 if (idisp_codec) {
 329                         idisp_components[i - 1].name = "ehdaudio0D2";
 330                         idisp_components[i - 1].dai_name =
 331                                 devm_kasprintf(dev, GFP_KERNEL,
 332                                                "intel-hdmi-hifi%d", i);
 333                 } else {
 334                         idisp_components[i - 1].name = "snd-soc-dummy";
 335                         idisp_components[i - 1].dai_name = "snd-soc-dummy-dai";
 336                 }
 337                 if (!idisp_components[i - 1].dai_name)
 338                         goto devm_err;
 339
 340                 links[id].codecs = &idisp_components[i - 1];
 341                 links[id].num_codecs = 1;
 342                 links[id].platforms = platform_component;
 343                 links[id].num_platforms = ARRAY_SIZE(platform_component);
 344                 links[id].init = sof_hdmi_init;
 345                 links[id].dpcm_playback = 1;
 346                 links[id].no_pcm = 1;
 347                 id++;
 348         }
 349
 350         return links;
 351 devm_err:
 352         return NULL;
 353 }
 354
 355 static int sof_audio_probe(struct platform_device *pdev)
 356 {
 357         struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;
 358         struct snd_soc_dai_link *dai_links;
 359         struct sof_card_private *ctx;
 360         int dmic_be_num, hdmi_num;
 361         int ret, ssp_codec;
 362
 363         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
 364         if (!ctx)
 365                 return -ENOMEM;
 366
 367         hdmi_num = 0;
 368         if (soc_intel_is_byt() || soc_intel_is_cht()) {
 369                 is_legacy_cpu = true;
 370                 dmic_be_num = 0;
 371                 /* default quirk for legacy cpu */
 372                 sof_pcm512x_quirk = SOF_PCM512X_SSP_CODEC(2);
 373         } else {
 374                 dmic_be_num = 2;
 375                 if (mach->mach_params.common_hdmi_codec_drv &&
 376                     (mach->mach_params.codec_mask & IDISP_CODEC_MASK))
 377                         ctx->idisp_codec = true;
 378
 379                 /* links are always present in topology */
 380                 hdmi_num = 3;
 381         }
 382
 383         dmi_check_system(sof_pcm512x_quirk_table);
 384
 385         dev_dbg(&pdev->dev, "sof_pcm512x_quirk = %lx\n", sof_pcm512x_quirk);
 386
 387         ssp_codec = sof_pcm512x_quirk & SOF_PCM512X_SSP_CODEC_MASK;
 388
 389         if (!(sof_pcm512x_quirk & SOF_PCM512X_ENABLE_DMIC))
 390                 dmic_be_num = 0;
 391
 392         /* compute number of dai links */
 393         sof_audio_card_pcm512x.num_links = 1 + dmic_be_num + hdmi_num;
 394
 395         dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec,
 396                                               dmic_be_num, hdmi_num,
 397                                               ctx->idisp_codec);
 398         if (!dai_links)
 399                 return -ENOMEM;
 400
 401         sof_audio_card_pcm512x.dai_link = dai_links;
 402
 403         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 404
 405         sof_audio_card_pcm512x.dev = &pdev->dev;
 406
 407         /* set platform name for each dailink */
 408         ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_pcm512x,
 409                                                     mach->mach_params.platform);
 410         if (ret)
 411                 return ret;
 412
 413         snd_soc_card_set_drvdata(&sof_audio_card_pcm512x, ctx);
 414
 415         return devm_snd_soc_register_card(&pdev->dev,
 416                                           &sof_audio_card_pcm512x);
 417 }
 418
 419 static int sof_pcm512x_remove(struct platform_device *pdev)
 420 {
 421         struct snd_soc_card *card = platform_get_drvdata(pdev);
 422         struct snd_soc_component *component = NULL;
 423
 424         for_each_card_components(card, component) {
 425                 if (!strcmp(component->name, pcm512x_component[0].name)) {
 426                         snd_soc_component_set_jack(component, NULL, NULL);
 427                         break;
 428                 }
 429         }
 430
 431         return 0;
 432 }
 433
 434 static struct platform_driver sof_audio = {
 435         .probe = sof_audio_probe,
 436         .remove = sof_pcm512x_remove,
 437         .driver = {
 438                 .name = "sof_pcm512x",
 439                 .pm = &snd_soc_pm_ops,
 440         },
 441 };
 442 module_platform_driver(sof_audio)
 443
 444 MODULE_DESCRIPTION("ASoC Intel(R) SOF + PCM512x Machine driver");
 445 MODULE_AUTHOR("Pierre-Louis Bossart");
 446 MODULE_LICENSE("GPL v2");
 447 MODULE_ALIAS("platform:sof_pcm512x");
 448 MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);