sound/soc/rockchip/rk3399_gru_sound.c

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