sound/soc/intel/boards/sof_maxim_common.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // Copyright(c) 2020 Intel Corporation. All rights reserved.
   4 #include <linux/module.h>
   5 #include <linux/string.h>
   6 #include <sound/pcm.h>
   7 #include <sound/pcm_params.h>
   8 #include <sound/soc.h>
   9 #include <sound/soc-acpi.h>
  10 #include <sound/soc-dai.h>
  11 #include <sound/soc-dapm.h>
  12 #include <uapi/sound/asound.h>
  13 #include "sof_maxim_common.h"
  14
  15 /* helper function to get the number of specific codec */
  16 static unsigned int get_num_codecs(const char *hid)
  17 {
  18         struct acpi_device *adev;
  19         unsigned int dev_num = 0;
  20
  21         for_each_acpi_dev_match(adev, hid, NULL, -1)
  22                 dev_num++;
  23
  24         return dev_num;
  25 }
  26
  27 #define MAX_98373_PIN_NAME 16
  28
  29 const struct snd_soc_dapm_route max_98373_dapm_routes[] = {
  30         /* speaker */
  31         { "Left Spk", NULL, "Left BE_OUT" },
  32         { "Right Spk", NULL, "Right BE_OUT" },
  33 };
  34 EXPORT_SYMBOL_NS(max_98373_dapm_routes, SND_SOC_INTEL_SOF_MAXIM_COMMON);
  35
  36 static struct snd_soc_codec_conf max_98373_codec_conf[] = {
  37         {
  38                 .dlc = COMP_CODEC_CONF(MAX_98373_DEV0_NAME),
  39                 .name_prefix = "Right",
  40         },
  41         {
  42                 .dlc = COMP_CODEC_CONF(MAX_98373_DEV1_NAME),
  43                 .name_prefix = "Left",
  44         },
  45 };
  46
  47 struct snd_soc_dai_link_component max_98373_components[] = {
  48         {  /* For Right */
  49                 .name = MAX_98373_DEV0_NAME,
  50                 .dai_name = MAX_98373_CODEC_DAI,
  51         },
  52         {  /* For Left */
  53                 .name = MAX_98373_DEV1_NAME,
  54                 .dai_name = MAX_98373_CODEC_DAI,
  55         },
  56 };
  57 EXPORT_SYMBOL_NS(max_98373_components, SND_SOC_INTEL_SOF_MAXIM_COMMON);
  58
  59 static int max_98373_hw_params(struct snd_pcm_substream *substream,
  60                                struct snd_pcm_hw_params *params)
  61 {
  62         struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
  63         struct snd_soc_dai *codec_dai;
  64         int j;
  65
  66         for_each_rtd_codec_dais(rtd, j, codec_dai) {
  67                 if (!strcmp(codec_dai->component->name, MAX_98373_DEV0_NAME)) {
  68                         /* DEV0 tdm slot configuration */
  69                         snd_soc_dai_set_tdm_slot(codec_dai, 0x03, 3, 8, 32);
  70                 }
  71                 if (!strcmp(codec_dai->component->name, MAX_98373_DEV1_NAME)) {
  72                         /* DEV1 tdm slot configuration */
  73                         snd_soc_dai_set_tdm_slot(codec_dai, 0x0C, 3, 8, 32);
  74                 }
  75         }
  76         return 0;
  77 }
  78
  79 int max_98373_trigger(struct snd_pcm_substream *substream, int cmd)
  80 {
  81         struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
  82         struct snd_soc_dai *codec_dai;
  83         struct snd_soc_dai *cpu_dai;
  84         int j;
  85         int ret = 0;
  86
  87         /* set spk pin by playback only */
  88         if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
  89                 return 0;
  90
  91         cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
  92         for_each_rtd_codec_dais(rtd, j, codec_dai) {
  93                 struct snd_soc_dapm_context *dapm =
  94                                 snd_soc_component_get_dapm(cpu_dai->component);
  95                 char pin_name[MAX_98373_PIN_NAME];
  96
  97                 snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",
  98                          codec_dai->component->name_prefix);
  99
 100                 switch (cmd) {
 101                 case SNDRV_PCM_TRIGGER_START:
 102                 case SNDRV_PCM_TRIGGER_RESUME:
 103                 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 104                         ret = snd_soc_dapm_enable_pin(dapm, pin_name);
 105                         if (!ret)
 106                                 snd_soc_dapm_sync(dapm);
 107                         break;
 108                 case SNDRV_PCM_TRIGGER_STOP:
 109                 case SNDRV_PCM_TRIGGER_SUSPEND:
 110                 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 111                         ret = snd_soc_dapm_disable_pin(dapm, pin_name);
 112                         if (!ret)
 113                                 snd_soc_dapm_sync(dapm);
 114                         break;
 115                 default:
 116                         break;
 117                 }
 118         }
 119
 120         return ret;
 121 }
 122 EXPORT_SYMBOL_NS(max_98373_trigger, SND_SOC_INTEL_SOF_MAXIM_COMMON);
 123
 124 struct snd_soc_ops max_98373_ops = {
 125         .hw_params = max_98373_hw_params,
 126         .trigger = max_98373_trigger,
 127 };
 128 EXPORT_SYMBOL_NS(max_98373_ops, SND_SOC_INTEL_SOF_MAXIM_COMMON);
 129
 130 int max_98373_spk_codec_init(struct snd_soc_pcm_runtime *rtd)
 131 {
 132         struct snd_soc_card *card = rtd->card;
 133         int ret;
 134
 135         ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes,
 136                                       ARRAY_SIZE(max_98373_dapm_routes));
 137         if (ret)
 138                 dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
 139         return ret;
 140 }
 141 EXPORT_SYMBOL_NS(max_98373_spk_codec_init, SND_SOC_INTEL_SOF_MAXIM_COMMON);
 142
 143 void max_98373_set_codec_conf(struct snd_soc_card *card)
 144 {
 145         card->codec_conf = max_98373_codec_conf;
 146         card->num_configs = ARRAY_SIZE(max_98373_codec_conf);
 147 }
 148 EXPORT_SYMBOL_NS(max_98373_set_codec_conf, SND_SOC_INTEL_SOF_MAXIM_COMMON);
 149
 150 /*
 151  * Maxim MAX98390
 152  */
 153 static const struct snd_soc_dapm_route max_98390_dapm_routes[] = {
 154         /* speaker */
 155         { "Left Spk", NULL, "Left BE_OUT" },
 156         { "Right Spk", NULL, "Right BE_OUT" },
 157 };
 158
 159 static const struct snd_kcontrol_new max_98390_tt_kcontrols[] = {
 160         SOC_DAPM_PIN_SWITCH("TL Spk"),
 161         SOC_DAPM_PIN_SWITCH("TR Spk"),
 162 };
 163
 164 static const struct snd_soc_dapm_widget max_98390_tt_dapm_widgets[] = {
 165         SND_SOC_DAPM_SPK("TL Spk", NULL),
 166         SND_SOC_DAPM_SPK("TR Spk", NULL),
 167 };
 168
 169 static const struct snd_soc_dapm_route max_98390_tt_dapm_routes[] = {
 170         /* Tweeter speaker */
 171         { "TL Spk", NULL, "Tweeter Left BE_OUT" },
 172         { "TR Spk", NULL, "Tweeter Right BE_OUT" },
 173 };
 174
 175 static struct snd_soc_codec_conf max_98390_codec_conf[] = {
 176         {
 177                 .dlc = COMP_CODEC_CONF(MAX_98390_DEV0_NAME),
 178                 .name_prefix = "Right",
 179         },
 180         {
 181                 .dlc = COMP_CODEC_CONF(MAX_98390_DEV1_NAME),
 182                 .name_prefix = "Left",
 183         },
 184         {
 185                 .dlc = COMP_CODEC_CONF(MAX_98390_DEV2_NAME),
 186                 .name_prefix = "Tweeter Right",
 187         },
 188         {
 189                 .dlc = COMP_CODEC_CONF(MAX_98390_DEV3_NAME),
 190                 .name_prefix = "Tweeter Left",
 191         },
 192 };
 193
 194 static struct snd_soc_dai_link_component max_98390_components[] = {
 195         {
 196                 .name = MAX_98390_DEV0_NAME,
 197                 .dai_name = MAX_98390_CODEC_DAI,
 198         },
 199         {
 200                 .name = MAX_98390_DEV1_NAME,
 201                 .dai_name = MAX_98390_CODEC_DAI,
 202         },
 203         {
 204                 .name = MAX_98390_DEV2_NAME,
 205                 .dai_name = MAX_98390_CODEC_DAI,
 206         },
 207         {
 208                 .name = MAX_98390_DEV3_NAME,
 209                 .dai_name = MAX_98390_CODEC_DAI,
 210         },
 211 };
 212
 213 static const struct {
 214         unsigned int tx;
 215         unsigned int rx;
 216 } max_98390_tdm_mask[] = {
 217         {.tx = 0x01, .rx = 0x3},
 218         {.tx = 0x02, .rx = 0x3},
 219         {.tx = 0x04, .rx = 0x3},
 220         {.tx = 0x08, .rx = 0x3},
 221 };
 222
 223 static int max_98390_hw_params(struct snd_pcm_substream *substream,
 224                                struct snd_pcm_hw_params *params)
 225 {
 226         struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 227         struct snd_soc_dai *codec_dai;
 228         int i, ret;
 229
 230         for_each_rtd_codec_dais(rtd, i, codec_dai) {
 231                 if (i >= ARRAY_SIZE(max_98390_tdm_mask)) {
 232                         dev_err(codec_dai->dev, "invalid codec index %d\n", i);
 233                         return -ENODEV;
 234                 }
 235
 236                 ret = snd_soc_dai_set_tdm_slot(codec_dai, max_98390_tdm_mask[i].tx,
 237                                                max_98390_tdm_mask[i].rx, 4,
 238                                                params_width(params));
 239                 if (ret < 0) {
 240                         dev_err(codec_dai->dev, "fail to set tdm slot, ret %d\n",
 241                                 ret);
 242                         return ret;
 243                 }
 244         }
 245         return 0;
 246 }
 247
 248 static int max_98390_init(struct snd_soc_pcm_runtime *rtd)
 249 {
 250         struct snd_soc_card *card = rtd->card;
 251         unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID);
 252         int ret;
 253
 254         switch (num_codecs) {
 255         case 4:
 256                 /* add widgets/controls/dapm for tweeter speakers */
 257                 ret = snd_soc_dapm_new_controls(&card->dapm, max_98390_tt_dapm_widgets,
 258                                                 ARRAY_SIZE(max_98390_tt_dapm_widgets));
 259                 if (ret) {
 260                         dev_err(rtd->dev, "unable to add tweeter dapm widgets, ret %d\n",
 261                                 ret);
 262                         /* Don't need to add routes if widget addition failed */
 263                         return ret;
 264                 }
 265
 266                 ret = snd_soc_add_card_controls(card, max_98390_tt_kcontrols,
 267                                                 ARRAY_SIZE(max_98390_tt_kcontrols));
 268                 if (ret) {
 269                         dev_err(rtd->dev, "unable to add tweeter controls, ret %d\n",
 270                                 ret);
 271                         return ret;
 272                 }
 273
 274                 ret = snd_soc_dapm_add_routes(&card->dapm, max_98390_tt_dapm_routes,
 275                                               ARRAY_SIZE(max_98390_tt_dapm_routes));
 276                 if (ret) {
 277                         dev_err(rtd->dev, "unable to add tweeter dapm routes, ret %d\n",
 278                                 ret);
 279                         return ret;
 280                 }
 281
 282                 fallthrough;
 283         case 2:
 284                 /* add regular speakers dapm route */
 285                 ret = snd_soc_dapm_add_routes(&card->dapm, max_98390_dapm_routes,
 286                                               ARRAY_SIZE(max_98390_dapm_routes));
 287                 if (ret) {
 288                         dev_err(rtd->dev, "unable to add dapm routes, ret %d\n",
 289                                 ret);
 290                         return ret;
 291                 }
 292                 break;
 293         default:
 294                 dev_err(rtd->dev, "invalid codec number %d\n", num_codecs);
 295                 return -EINVAL;
 296         }
 297
 298         return ret;
 299 }
 300
 301 static const struct snd_soc_ops max_98390_ops = {
 302         .hw_params = max_98390_hw_params,
 303 };
 304
 305 void max_98390_dai_link(struct device *dev, struct snd_soc_dai_link *link)
 306 {
 307         unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID);
 308
 309         link->codecs = max_98390_components;
 310
 311         switch (num_codecs) {
 312         case 2:
 313         case 4:
 314                 link->num_codecs = num_codecs;
 315                 break;
 316         default:
 317                 dev_err(dev, "invalid codec number %d for %s\n", num_codecs,
 318                         MAX_98390_ACPI_HID);
 319                 break;
 320         }
 321
 322         link->init = max_98390_init;
 323         link->ops = &max_98390_ops;
 324 }
 325 EXPORT_SYMBOL_NS(max_98390_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);
 326
 327 void max_98390_set_codec_conf(struct device *dev, struct snd_soc_card *card)
 328 {
 329         unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID);
 330
 331         card->codec_conf = max_98390_codec_conf;
 332
 333         switch (num_codecs) {
 334         case 2:
 335         case 4:
 336                 card->num_configs = num_codecs;
 337                 break;
 338         default:
 339                 dev_err(dev, "invalid codec number %d for %s\n", num_codecs,
 340                         MAX_98390_ACPI_HID);
 341                 break;
 342         }
 343 }
 344 EXPORT_SYMBOL_NS(max_98390_set_codec_conf, SND_SOC_INTEL_SOF_MAXIM_COMMON);
 345
 346 /*
 347  * Maxim MAX98357A/MAX98360A
 348  */
 349 static const struct snd_kcontrol_new max_98357a_kcontrols[] = {
 350         SOC_DAPM_PIN_SWITCH("Spk"),
 351 };
 352
 353 static const struct snd_soc_dapm_widget max_98357a_dapm_widgets[] = {
 354         SND_SOC_DAPM_SPK("Spk", NULL),
 355 };
 356
 357 static const struct snd_soc_dapm_route max_98357a_dapm_routes[] = {
 358         /* speaker */
 359         {"Spk", NULL, "Speaker"},
 360 };
 361
 362 static struct snd_soc_dai_link_component max_98357a_components[] = {
 363         {
 364                 .name = MAX_98357A_DEV0_NAME,
 365                 .dai_name = MAX_98357A_CODEC_DAI,
 366         }
 367 };
 368
 369 static struct snd_soc_dai_link_component max_98360a_components[] = {
 370         {
 371                 .name = MAX_98360A_DEV0_NAME,
 372                 .dai_name = MAX_98357A_CODEC_DAI,
 373         }
 374 };
 375
 376 static int max_98357a_init(struct snd_soc_pcm_runtime *rtd)
 377 {
 378         struct snd_soc_card *card = rtd->card;
 379         int ret;
 380
 381         ret = snd_soc_dapm_new_controls(&card->dapm, max_98357a_dapm_widgets,
 382                                         ARRAY_SIZE(max_98357a_dapm_widgets));
 383         if (ret) {
 384                 dev_err(rtd->dev, "unable to add dapm controls, ret %d\n", ret);
 385                 /* Don't need to add routes if widget addition failed */
 386                 return ret;
 387         }
 388
 389         ret = snd_soc_add_card_controls(card, max_98357a_kcontrols,
 390                                         ARRAY_SIZE(max_98357a_kcontrols));
 391         if (ret) {
 392                 dev_err(rtd->dev, "unable to add card controls, ret %d\n", ret);
 393                 return ret;
 394         }
 395
 396         ret = snd_soc_dapm_add_routes(&card->dapm, max_98357a_dapm_routes,
 397                                       ARRAY_SIZE(max_98357a_dapm_routes));
 398
 399         if (ret)
 400                 dev_err(rtd->dev, "unable to add dapm routes, ret %d\n", ret);
 401
 402         return ret;
 403 }
 404
 405 void max_98357a_dai_link(struct snd_soc_dai_link *link)
 406 {
 407         link->codecs = max_98357a_components;
 408         link->num_codecs = ARRAY_SIZE(max_98357a_components);
 409         link->init = max_98357a_init;
 410 }
 411 EXPORT_SYMBOL_NS(max_98357a_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);
 412
 413 void max_98360a_dai_link(struct snd_soc_dai_link *link)
 414 {
 415         link->codecs = max_98360a_components;
 416         link->num_codecs = ARRAY_SIZE(max_98360a_components);
 417         link->init = max_98357a_init;
 418 }
 419 EXPORT_SYMBOL_NS(max_98360a_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);
 420
 421 MODULE_DESCRIPTION("ASoC Intel SOF Maxim helpers");
 422 MODULE_LICENSE("GPL");