sound/soc/rockchip/rk3399_gru_sound.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Rockchip machine ASoC driver for boards using MAX98357A/RT5514/DA7219
   4  *
   5  * Copyright (c) 2016, ROCKCHIP CORPORATION.  All rights reserved.
   6  */
   7
   8 #include <linux/module.h>
   9 #include <linux/platform_device.h>
  10 #include <linux/slab.h>
  11 #include <linux/gpio.h>
  12 #include <linux/of_gpio.h>
  13 #include <linux/delay.h>
  14 #include <linux/spi/spi.h>
  15 #include <linux/i2c.h>
  16 #include <linux/input.h>
  17 #include <sound/core.h>
  18 #include <sound/jack.h>
  19 #include <sound/pcm.h>
  20 #include <sound/pcm_params.h>
  21 #include <sound/soc.h>
  22 #include "rockchip_i2s.h"
  23 #include "../codecs/da7219.h"
  24 #include "../codecs/da7219-aad.h"
  25 #include "../codecs/rt5514.h"
  26
  27 #define DRV_NAME "rk3399-gru-sound"
  28
  29 #define SOUND_FS        256
  30
  31 static unsigned int dmic_wakeup_delay;
  32
  33 static struct snd_soc_jack rockchip_sound_jack;
  34
  35 static const struct snd_soc_dapm_widget rockchip_dapm_widgets[] = {
  36         SND_SOC_DAPM_HP("Headphones", NULL),
  37         SND_SOC_DAPM_SPK("Speakers", NULL),
  38         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  39         SND_SOC_DAPM_MIC("Int Mic", NULL),
  40         SND_SOC_DAPM_LINE("HDMI", NULL),
  41 };
  42
  43 static const struct snd_kcontrol_new rockchip_controls[] = {
  44         SOC_DAPM_PIN_SWITCH("Headphones"),
  45         SOC_DAPM_PIN_SWITCH("Speakers"),
  46         SOC_DAPM_PIN_SWITCH("Headset Mic"),
  47         SOC_DAPM_PIN_SWITCH("Int Mic"),
  48         SOC_DAPM_PIN_SWITCH("HDMI"),
  49 };
  50
  51 static int rockchip_sound_max98357a_hw_params(struct snd_pcm_substream *substream,
  52                              struct snd_pcm_hw_params *params)
  53 {
  54         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  55         unsigned int mclk;
  56         int ret;
  57
  58         mclk = params_rate(params) * SOUND_FS;
  59
  60         ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 0, mclk, 0);
  61         if (ret) {
  62                 dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
  63                                 __func__, mclk, ret);
  64                 return ret;
  65         }
  66
  67         return 0;
  68 }
  69
  70 static int rockchip_sound_rt5514_hw_params(struct snd_pcm_substream *substream,
  71                              struct snd_pcm_hw_params *params)
  72 {
  73         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  74         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
  75         struct snd_soc_dai *codec_dai = rtd->codec_dai;
  76         unsigned int mclk;
  77         int ret;
  78
  79         mclk = params_rate(params) * SOUND_FS;
  80
  81         ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
  82                                      SND_SOC_CLOCK_OUT);
  83         if (ret < 0) {
  84                 dev_err(rtd->card->dev, "Can't set cpu clock out %d\n", ret);
  85                 return ret;
  86         }
  87
  88         ret = snd_soc_dai_set_sysclk(codec_dai, RT5514_SCLK_S_MCLK,
  89                                      mclk, SND_SOC_CLOCK_IN);
  90         if (ret) {
  91                 dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
  92                                 __func__, params_rate(params) * 512, ret);
  93                 return ret;
  94         }
  95
  96         /* Wait for DMIC stable */
  97         msleep(dmic_wakeup_delay);
  98
  99         return 0;
 100 }
 101
 102 static int rockchip_sound_da7219_hw_params(struct snd_pcm_substream *substream,
 103                              struct snd_pcm_hw_params *params)
 104 {
 105         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 106         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 107         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 108         int mclk, ret;
 109
 110         /* in bypass mode, the mclk has to be one of the frequencies below */
 111         switch (params_rate(params)) {
 112         case 8000:
 113         case 16000:
 114         case 24000:
 115         case 32000:
 116         case 48000:
 117         case 64000:
 118         case 96000:
 119                 mclk = 12288000;
 120                 break;
 121         case 11025:
 122         case 22050:
 123         case 44100:
 124         case 88200:
 125                 mclk = 11289600;
 126                 break;
 127         default:
 128                 return -EINVAL;
 129         }
 130
 131         ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
 132                                      SND_SOC_CLOCK_OUT);
 133         if (ret < 0) {
 134                 dev_err(codec_dai->dev, "Can't set cpu clock out %d\n", ret);
 135                 return ret;
 136         }
 137
 138         ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
 139                                      SND_SOC_CLOCK_IN);
 140         if (ret < 0) {
 141                 dev_err(codec_dai->dev, "Can't set codec clock in %d\n", ret);
 142                 return ret;
 143         }
 144
 145         ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
 146         if (ret < 0) {
 147                 dev_err(codec_dai->dev, "Can't set pll sysclk mclk %d\n", ret);
 148                 return ret;
 149         }
 150
 151         return 0;
 152 }
 153
 154 static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd)
 155 {
 156         struct snd_soc_component *component = rtd->codec_dais[0]->component;
 157         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 158         int ret;
 159
 160         /* We need default MCLK and PLL settings for the accessory detection */
 161         ret = snd_soc_dai_set_sysclk(codec_dai, 0, 12288000,
 162                                      SND_SOC_CLOCK_IN);
 163         if (ret < 0) {
 164                 dev_err(codec_dai->dev, "Init can't set codec clock in %d\n", ret);
 165                 return ret;
 166         }
 167
 168         ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
 169         if (ret < 0) {
 170                 dev_err(codec_dai->dev, "Init can't set pll sysclk mclk %d\n", ret);
 171                 return ret;
 172         }
 173
 174         /* Enable Headset and 4 Buttons Jack detection */
 175         ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
 176                                     SND_JACK_HEADSET | SND_JACK_LINEOUT |
 177                                     SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 178                                     SND_JACK_BTN_2 | SND_JACK_BTN_3,
 179                                     &rockchip_sound_jack, NULL, 0);
 180
 181         if (ret) {
 182                 dev_err(rtd->card->dev, "New Headset Jack failed! (%d)\n", ret);
 183                 return ret;
 184         }
 185
 186         snd_jack_set_key(
 187                 rockchip_sound_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 188         snd_jack_set_key(
 189                 rockchip_sound_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
 190         snd_jack_set_key(
 191                 rockchip_sound_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
 192         snd_jack_set_key(
 193                 rockchip_sound_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
 194
 195         da7219_aad_jack_det(component, &rockchip_sound_jack);
 196
 197         return 0;
 198 }
 199
 200 static int rockchip_sound_dmic_hw_params(struct snd_pcm_substream *substream,
 201                              struct snd_pcm_hw_params *params)
 202 {
 203         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 204         unsigned int mclk;
 205         int ret;
 206
 207         mclk = params_rate(params) * SOUND_FS;
 208
 209         ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 0, mclk, 0);
 210         if (ret) {
 211                 dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
 212                                 __func__, mclk, ret);
 213                 return ret;
 214         }
 215
 216         /* Wait for DMIC stable */
 217         msleep(dmic_wakeup_delay);
 218
 219         return 0;
 220 }
 221
 222 static const struct snd_soc_ops rockchip_sound_max98357a_ops = {
 223         .hw_params = rockchip_sound_max98357a_hw_params,
 224 };
 225
 226 static const struct snd_soc_ops rockchip_sound_rt5514_ops = {
 227         .hw_params = rockchip_sound_rt5514_hw_params,
 228 };
 229
 230 static const struct snd_soc_ops rockchip_sound_da7219_ops = {
 231         .hw_params = rockchip_sound_da7219_hw_params,
 232 };
 233
 234 static const struct snd_soc_ops rockchip_sound_dmic_ops = {
 235         .hw_params = rockchip_sound_dmic_hw_params,
 236 };
 237
 238 static struct snd_soc_card rockchip_sound_card = {
 239         .name = "rk3399-gru-sound",
 240         .owner = THIS_MODULE,
 241         .dapm_widgets = rockchip_dapm_widgets,
 242         .num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets),
 243         .controls = rockchip_controls,
 244         .num_controls = ARRAY_SIZE(rockchip_controls),
 245 };
 246
 247 enum {
 248         DAILINK_CDNDP,
 249         DAILINK_DA7219,
 250         DAILINK_DMIC,
 251         DAILINK_MAX98357A,
 252         DAILINK_RT5514,
 253         DAILINK_RT5514_DSP,
 254 };
 255
 256 SND_SOC_DAILINK_DEFS(cdndp,
 257         DAILINK_COMP_ARRAY(COMP_EMPTY()),
 258         DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "spdif-hifi")),
 259         DAILINK_COMP_ARRAY(COMP_EMPTY()));
 260
 261 SND_SOC_DAILINK_DEFS(da7219,
 262         DAILINK_COMP_ARRAY(COMP_EMPTY()),
 263         DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "da7219-hifi")),
 264         DAILINK_COMP_ARRAY(COMP_EMPTY()));
 265
 266 SND_SOC_DAILINK_DEFS(dmic,
 267         DAILINK_COMP_ARRAY(COMP_EMPTY()),
 268         DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "dmic-hifi")),
 269         DAILINK_COMP_ARRAY(COMP_EMPTY()));
 270
 271 SND_SOC_DAILINK_DEFS(max98357a,
 272         DAILINK_COMP_ARRAY(COMP_EMPTY()),
 273         DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
 274         DAILINK_COMP_ARRAY(COMP_EMPTY()));
 275
 276 SND_SOC_DAILINK_DEFS(rt5514,
 277         DAILINK_COMP_ARRAY(COMP_EMPTY()),
 278         DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5514-aif1")),
 279         DAILINK_COMP_ARRAY(COMP_EMPTY()));
 280
 281 SND_SOC_DAILINK_DEFS(rt5514_dsp,
 282         DAILINK_COMP_ARRAY(COMP_EMPTY()),
 283         DAILINK_COMP_ARRAY(COMP_DUMMY()),
 284         DAILINK_COMP_ARRAY(COMP_EMPTY()));
 285
 286 static const struct snd_soc_dai_link rockchip_dais[] = {
 287         [DAILINK_CDNDP] = {
 288                 .name = "DP",
 289                 .stream_name = "DP PCM",
 290                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 291                         SND_SOC_DAIFMT_CBS_CFS,
 292                 SND_SOC_DAILINK_REG(cdndp),
 293         },
 294         [DAILINK_DA7219] = {
 295                 .name = "DA7219",
 296                 .stream_name = "DA7219 PCM",
 297                 .init = rockchip_sound_da7219_init,
 298                 .ops = &rockchip_sound_da7219_ops,
 299                 /* set da7219 as slave */
 300                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 301                         SND_SOC_DAIFMT_CBS_CFS,
 302                 SND_SOC_DAILINK_REG(da7219),
 303         },
 304         [DAILINK_DMIC] = {
 305                 .name = "DMIC",
 306                 .stream_name = "DMIC PCM",
 307                 .ops = &rockchip_sound_dmic_ops,
 308                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 309                         SND_SOC_DAIFMT_CBS_CFS,
 310                 SND_SOC_DAILINK_REG(dmic),
 311         },
 312         [DAILINK_MAX98357A] = {
 313                 .name = "MAX98357A",
 314                 .stream_name = "MAX98357A PCM",
 315                 .ops = &rockchip_sound_max98357a_ops,
 316                 /* set max98357a as slave */
 317                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 318                         SND_SOC_DAIFMT_CBS_CFS,
 319                 SND_SOC_DAILINK_REG(max98357a),
 320         },
 321         [DAILINK_RT5514] = {
 322                 .name = "RT5514",
 323                 .stream_name = "RT5514 PCM",
 324                 .ops = &rockchip_sound_rt5514_ops,
 325                 /* set rt5514 as slave */
 326                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 327                         SND_SOC_DAIFMT_CBS_CFS,
 328                 SND_SOC_DAILINK_REG(rt5514),
 329         },
 330         /* RT5514 DSP for voice wakeup via spi bus */
 331         [DAILINK_RT5514_DSP] = {
 332                 .name = "RT5514 DSP",
 333                 .stream_name = "Wake on Voice",
 334                 SND_SOC_DAILINK_REG(rt5514_dsp),
 335         },
 336 };
 337
 338 static const struct snd_soc_dapm_route rockchip_sound_cdndp_routes[] = {
 339         /* Output */
 340         {"HDMI", NULL, "TX"},
 341 };
 342
 343 static const struct snd_soc_dapm_route rockchip_sound_da7219_routes[] = {
 344         /* Output */
 345         {"Headphones", NULL, "HPL"},
 346         {"Headphones", NULL, "HPR"},
 347
 348         /* Input */
 349         {"MIC", NULL, "Headset Mic"},
 350 };
 351
 352 static const struct snd_soc_dapm_route rockchip_sound_dmic_routes[] = {
 353         /* Input */
 354         {"DMic", NULL, "Int Mic"},
 355 };
 356
 357 static const struct snd_soc_dapm_route rockchip_sound_max98357a_routes[] = {
 358         /* Output */
 359         {"Speakers", NULL, "Speaker"},
 360 };
 361
 362 static const struct snd_soc_dapm_route rockchip_sound_rt5514_routes[] = {
 363         /* Input */
 364         {"DMIC1L", NULL, "Int Mic"},
 365         {"DMIC1R", NULL, "Int Mic"},
 366 };
 367
 368 struct rockchip_sound_route {
 369         const struct snd_soc_dapm_route *routes;
 370         int num_routes;
 371 };
 372
 373 static const struct rockchip_sound_route rockchip_routes[] = {
 374         [DAILINK_CDNDP] = {
 375                 .routes = rockchip_sound_cdndp_routes,
 376                 .num_routes = ARRAY_SIZE(rockchip_sound_cdndp_routes),
 377         },
 378         [DAILINK_DA7219] = {
 379                 .routes = rockchip_sound_da7219_routes,
 380                 .num_routes = ARRAY_SIZE(rockchip_sound_da7219_routes),
 381         },
 382         [DAILINK_DMIC] = {
 383                 .routes = rockchip_sound_dmic_routes,
 384                 .num_routes = ARRAY_SIZE(rockchip_sound_dmic_routes),
 385         },
 386         [DAILINK_MAX98357A] = {
 387                 .routes = rockchip_sound_max98357a_routes,
 388                 .num_routes = ARRAY_SIZE(rockchip_sound_max98357a_routes),
 389         },
 390         [DAILINK_RT5514] = {
 391                 .routes = rockchip_sound_rt5514_routes,
 392                 .num_routes = ARRAY_SIZE(rockchip_sound_rt5514_routes),
 393         },
 394         [DAILINK_RT5514_DSP] = {},
 395 };
 396
 397 struct dailink_match_data {
 398         const char *compatible;
 399         struct bus_type *bus_type;
 400 };
 401
 402 static const struct dailink_match_data dailink_match[] = {
 403         [DAILINK_CDNDP] = {
 404                 .compatible = "rockchip,rk3399-cdn-dp",
 405         },
 406         [DAILINK_DA7219] = {
 407                 .compatible = "dlg,da7219",
 408         },
 409         [DAILINK_DMIC] = {
 410                 .compatible = "dmic-codec",
 411         },
 412         [DAILINK_MAX98357A] = {
 413                 .compatible = "maxim,max98357a",
 414         },
 415         [DAILINK_RT5514] = {
 416                 .compatible = "realtek,rt5514",
 417                 .bus_type = &i2c_bus_type,
 418         },
 419         [DAILINK_RT5514_DSP] = {
 420                 .compatible = "realtek,rt5514",
 421                 .bus_type = &spi_bus_type,
 422         },
 423 };
 424
 425 static int rockchip_sound_codec_node_match(struct device_node *np_codec)
 426 {
 427         struct device *dev;
 428         int i;
 429
 430         for (i = 0; i < ARRAY_SIZE(dailink_match); i++) {
 431                 if (!of_device_is_compatible(np_codec,
 432                                              dailink_match[i].compatible))
 433                         continue;
 434
 435                 if (dailink_match[i].bus_type) {
 436                         dev = bus_find_device_by_of_node(dailink_match[i].bus_type,
 437                                                          np_codec);
 438                         if (!dev)
 439                                 continue;
 440                         put_device(dev);
 441                 }
 442
 443                 return i;
 444         }
 445         return -1;
 446 }
 447
 448 static int rockchip_sound_of_parse_dais(struct device *dev,
 449                                         struct snd_soc_card *card)
 450 {
 451         struct device_node *np_cpu, *np_cpu0, *np_cpu1;
 452         struct device_node *np_codec;
 453         struct snd_soc_dai_link *dai;
 454         struct snd_soc_dapm_route *routes;
 455         int i, index;
 456         int num_routes;
 457
 458         card->dai_link = devm_kzalloc(dev, sizeof(rockchip_dais),
 459                                       GFP_KERNEL);
 460         if (!card->dai_link)
 461                 return -ENOMEM;
 462
 463         num_routes = 0;
 464         for (i = 0; i < ARRAY_SIZE(rockchip_routes); i++)
 465                 num_routes += rockchip_routes[i].num_routes;
 466         routes = devm_kcalloc(dev, num_routes, sizeof(*routes),
 467                               GFP_KERNEL);
 468         if (!routes)
 469                 return -ENOMEM;
 470         card->dapm_routes = routes;
 471
 472         np_cpu0 = of_parse_phandle(dev->of_node, "rockchip,cpu", 0);
 473         np_cpu1 = of_parse_phandle(dev->of_node, "rockchip,cpu", 1);
 474
 475         card->num_dapm_routes = 0;
 476         card->num_links = 0;
 477         for (i = 0; i < ARRAY_SIZE(rockchip_dais); i++) {
 478                 np_codec = of_parse_phandle(dev->of_node,
 479                                             "rockchip,codec", i);
 480                 if (!np_codec)
 481                         break;
 482
 483                 if (!of_device_is_available(np_codec))
 484                         continue;
 485
 486                 index = rockchip_sound_codec_node_match(np_codec);
 487                 if (index < 0)
 488                         continue;
 489
 490                 switch (index) {
 491                 case DAILINK_CDNDP:
 492                         np_cpu = np_cpu1;
 493                         break;
 494                 case DAILINK_RT5514_DSP:
 495                         np_cpu = np_codec;
 496                         break;
 497                 default:
 498                         np_cpu = np_cpu0;
 499                         break;
 500                 }
 501
 502                 if (!np_cpu) {
 503                         dev_err(dev, "Missing 'rockchip,cpu' for %s\n",
 504                                 rockchip_dais[index].name);
 505                         return -EINVAL;
 506                 }
 507
 508                 dai = &card->dai_link[card->num_links++];
 509                 *dai = rockchip_dais[index];
 510
 511                 if (!dai->codecs->name)
 512                         dai->codecs->of_node = np_codec;
 513                 dai->platforms->of_node = np_cpu;
 514                 dai->cpus->of_node = np_cpu;
 515
 516                 if (card->num_dapm_routes + rockchip_routes[index].num_routes >
 517                     num_routes) {
 518                         dev_err(dev, "Too many routes\n");
 519                         return -EINVAL;
 520                 }
 521
 522                 memcpy(routes + card->num_dapm_routes,
 523                        rockchip_routes[index].routes,
 524                        rockchip_routes[index].num_routes * sizeof(*routes));
 525                 card->num_dapm_routes += rockchip_routes[index].num_routes;
 526         }
 527
 528         return 0;
 529 }
 530
 531 static int rockchip_sound_probe(struct platform_device *pdev)
 532 {
 533         struct snd_soc_card *card = &rockchip_sound_card;
 534         int ret;
 535
 536         ret = rockchip_sound_of_parse_dais(&pdev->dev, card);
 537         if (ret < 0) {
 538                 dev_err(&pdev->dev, "Failed to parse dais: %d\n", ret);
 539                 return ret;
 540         }
 541
 542         /* Set DMIC wakeup delay */
 543         ret = device_property_read_u32(&pdev->dev, "dmic-wakeup-delay-ms",
 544                                         &dmic_wakeup_delay);
 545         if (ret) {
 546                 dmic_wakeup_delay = 0;
 547                 dev_dbg(&pdev->dev,
 548                         "no optional property 'dmic-wakeup-delay-ms' found, default: no delay\n");
 549         }
 550
 551         card->dev = &pdev->dev;
 552         return devm_snd_soc_register_card(&pdev->dev, card);
 553 }
 554
 555 static const struct of_device_id rockchip_sound_of_match[] = {
 556         { .compatible = "rockchip,rk3399-gru-sound", },
 557         {},
 558 };
 559
 560 static struct platform_driver rockchip_sound_driver = {
 561         .probe = rockchip_sound_probe,
 562         .driver = {
 563                 .name = DRV_NAME,
 564                 .of_match_table = rockchip_sound_of_match,
 565 #ifdef CONFIG_PM
 566                 .pm = &snd_soc_pm_ops,
 567 #endif
 568         },
 569 };
 570
 571 module_platform_driver(rockchip_sound_driver);
 572
 573 MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>");
 574 MODULE_DESCRIPTION("Rockchip ASoC Machine Driver");
 575 MODULE_LICENSE("GPL v2");
 576 MODULE_ALIAS("platform:" DRV_NAME);
 577 MODULE_DEVICE_TABLE(of, rockchip_sound_of_match);