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(asoc_rtd_to_cpu(rtd, 0), 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 = asoc_rtd_to_cpu(rtd, 0); 75 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 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 = asoc_rtd_to_cpu(rtd, 0); 107 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 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 = asoc_rtd_to_codec(rtd, 0)->component; 157 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 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(asoc_rtd_to_cpu(rtd, 0), 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 int rockchip_sound_startup(struct snd_pcm_substream *substream) 223 { 224 struct snd_pcm_runtime *runtime = substream->runtime; 225 226 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; 227 return snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE, 228 8000, 96000); 229 } 230 231 static const struct snd_soc_ops rockchip_sound_max98357a_ops = { 232 .startup = rockchip_sound_startup, 233 .hw_params = rockchip_sound_max98357a_hw_params, 234 }; 235 236 static const struct snd_soc_ops rockchip_sound_rt5514_ops = { 237 .startup = rockchip_sound_startup, 238 .hw_params = rockchip_sound_rt5514_hw_params, 239 }; 240 241 static const struct snd_soc_ops rockchip_sound_da7219_ops = { 242 .startup = rockchip_sound_startup, 243 .hw_params = rockchip_sound_da7219_hw_params, 244 }; 245 246 static const struct snd_soc_ops rockchip_sound_dmic_ops = { 247 .startup = rockchip_sound_startup, 248 .hw_params = rockchip_sound_dmic_hw_params, 249 }; 250 251 static struct snd_soc_card rockchip_sound_card = { 252 .name = "rk3399-gru-sound", 253 .owner = THIS_MODULE, 254 .dapm_widgets = rockchip_dapm_widgets, 255 .num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets), 256 .controls = rockchip_controls, 257 .num_controls = ARRAY_SIZE(rockchip_controls), 258 }; 259 260 enum { 261 DAILINK_CDNDP, 262 DAILINK_DA7219, 263 DAILINK_DMIC, 264 DAILINK_MAX98357A, 265 DAILINK_RT5514, 266 DAILINK_RT5514_DSP, 267 }; 268 269 SND_SOC_DAILINK_DEFS(cdndp, 270 DAILINK_COMP_ARRAY(COMP_EMPTY()), 271 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "spdif-hifi")), 272 DAILINK_COMP_ARRAY(COMP_EMPTY())); 273 274 SND_SOC_DAILINK_DEFS(da7219, 275 DAILINK_COMP_ARRAY(COMP_EMPTY()), 276 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "da7219-hifi")), 277 DAILINK_COMP_ARRAY(COMP_EMPTY())); 278 279 SND_SOC_DAILINK_DEFS(dmic, 280 DAILINK_COMP_ARRAY(COMP_EMPTY()), 281 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "dmic-hifi")), 282 DAILINK_COMP_ARRAY(COMP_EMPTY())); 283 284 SND_SOC_DAILINK_DEFS(max98357a, 285 DAILINK_COMP_ARRAY(COMP_EMPTY()), 286 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")), 287 DAILINK_COMP_ARRAY(COMP_EMPTY())); 288 289 SND_SOC_DAILINK_DEFS(rt5514, 290 DAILINK_COMP_ARRAY(COMP_EMPTY()), 291 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5514-aif1")), 292 DAILINK_COMP_ARRAY(COMP_EMPTY())); 293 294 SND_SOC_DAILINK_DEFS(rt5514_dsp, 295 DAILINK_COMP_ARRAY(COMP_EMPTY()), 296 DAILINK_COMP_ARRAY(COMP_DUMMY()), 297 DAILINK_COMP_ARRAY(COMP_EMPTY())); 298 299 static const struct snd_soc_dai_link rockchip_dais[] = { 300 [DAILINK_CDNDP] = { 301 .name = "DP", 302 .stream_name = "DP PCM", 303 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 304 SND_SOC_DAIFMT_CBS_CFS, 305 SND_SOC_DAILINK_REG(cdndp), 306 }, 307 [DAILINK_DA7219] = { 308 .name = "DA7219", 309 .stream_name = "DA7219 PCM", 310 .init = rockchip_sound_da7219_init, 311 .ops = &rockchip_sound_da7219_ops, 312 /* set da7219 as slave */ 313 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 314 SND_SOC_DAIFMT_CBS_CFS, 315 SND_SOC_DAILINK_REG(da7219), 316 }, 317 [DAILINK_DMIC] = { 318 .name = "DMIC", 319 .stream_name = "DMIC PCM", 320 .ops = &rockchip_sound_dmic_ops, 321 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 322 SND_SOC_DAIFMT_CBS_CFS, 323 SND_SOC_DAILINK_REG(dmic), 324 }, 325 [DAILINK_MAX98357A] = { 326 .name = "MAX98357A", 327 .stream_name = "MAX98357A PCM", 328 .ops = &rockchip_sound_max98357a_ops, 329 /* set max98357a as slave */ 330 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 331 SND_SOC_DAIFMT_CBS_CFS, 332 SND_SOC_DAILINK_REG(max98357a), 333 }, 334 [DAILINK_RT5514] = { 335 .name = "RT5514", 336 .stream_name = "RT5514 PCM", 337 .ops = &rockchip_sound_rt5514_ops, 338 /* set rt5514 as slave */ 339 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 340 SND_SOC_DAIFMT_CBS_CFS, 341 SND_SOC_DAILINK_REG(rt5514), 342 }, 343 /* RT5514 DSP for voice wakeup via spi bus */ 344 [DAILINK_RT5514_DSP] = { 345 .name = "RT5514 DSP", 346 .stream_name = "Wake on Voice", 347 SND_SOC_DAILINK_REG(rt5514_dsp), 348 }, 349 }; 350 351 static const struct snd_soc_dapm_route rockchip_sound_cdndp_routes[] = { 352 /* Output */ 353 {"HDMI", NULL, "TX"}, 354 }; 355 356 static const struct snd_soc_dapm_route rockchip_sound_da7219_routes[] = { 357 /* Output */ 358 {"Headphones", NULL, "HPL"}, 359 {"Headphones", NULL, "HPR"}, 360 361 /* Input */ 362 {"MIC", NULL, "Headset Mic"}, 363 }; 364 365 static const struct snd_soc_dapm_route rockchip_sound_dmic_routes[] = { 366 /* Input */ 367 {"DMic", NULL, "Int Mic"}, 368 }; 369 370 static const struct snd_soc_dapm_route rockchip_sound_max98357a_routes[] = { 371 /* Output */ 372 {"Speakers", NULL, "Speaker"}, 373 }; 374 375 static const struct snd_soc_dapm_route rockchip_sound_rt5514_routes[] = { 376 /* Input */ 377 {"DMIC1L", NULL, "Int Mic"}, 378 {"DMIC1R", NULL, "Int Mic"}, 379 }; 380 381 struct rockchip_sound_route { 382 const struct snd_soc_dapm_route *routes; 383 int num_routes; 384 }; 385 386 static const struct rockchip_sound_route rockchip_routes[] = { 387 [DAILINK_CDNDP] = { 388 .routes = rockchip_sound_cdndp_routes, 389 .num_routes = ARRAY_SIZE(rockchip_sound_cdndp_routes), 390 }, 391 [DAILINK_DA7219] = { 392 .routes = rockchip_sound_da7219_routes, 393 .num_routes = ARRAY_SIZE(rockchip_sound_da7219_routes), 394 }, 395 [DAILINK_DMIC] = { 396 .routes = rockchip_sound_dmic_routes, 397 .num_routes = ARRAY_SIZE(rockchip_sound_dmic_routes), 398 }, 399 [DAILINK_MAX98357A] = { 400 .routes = rockchip_sound_max98357a_routes, 401 .num_routes = ARRAY_SIZE(rockchip_sound_max98357a_routes), 402 }, 403 [DAILINK_RT5514] = { 404 .routes = rockchip_sound_rt5514_routes, 405 .num_routes = ARRAY_SIZE(rockchip_sound_rt5514_routes), 406 }, 407 [DAILINK_RT5514_DSP] = {}, 408 }; 409 410 struct dailink_match_data { 411 const char *compatible; 412 struct bus_type *bus_type; 413 }; 414 415 static const struct dailink_match_data dailink_match[] = { 416 [DAILINK_CDNDP] = { 417 .compatible = "rockchip,rk3399-cdn-dp", 418 }, 419 [DAILINK_DA7219] = { 420 .compatible = "dlg,da7219", 421 }, 422 [DAILINK_DMIC] = { 423 .compatible = "dmic-codec", 424 }, 425 [DAILINK_MAX98357A] = { 426 .compatible = "maxim,max98357a", 427 }, 428 [DAILINK_RT5514] = { 429 .compatible = "realtek,rt5514", 430 .bus_type = &i2c_bus_type, 431 }, 432 [DAILINK_RT5514_DSP] = { 433 .compatible = "realtek,rt5514", 434 .bus_type = &spi_bus_type, 435 }, 436 }; 437 438 static int rockchip_sound_codec_node_match(struct device_node *np_codec) 439 { 440 struct device *dev; 441 int i; 442 443 for (i = 0; i < ARRAY_SIZE(dailink_match); i++) { 444 if (!of_device_is_compatible(np_codec, 445 dailink_match[i].compatible)) 446 continue; 447 448 if (dailink_match[i].bus_type) { 449 dev = bus_find_device_by_of_node(dailink_match[i].bus_type, 450 np_codec); 451 if (!dev) 452 continue; 453 put_device(dev); 454 } 455 456 return i; 457 } 458 return -1; 459 } 460 461 static int rockchip_sound_of_parse_dais(struct device *dev, 462 struct snd_soc_card *card) 463 { 464 struct device_node *np_cpu, *np_cpu0, *np_cpu1; 465 struct device_node *np_codec; 466 struct snd_soc_dai_link *dai; 467 struct snd_soc_dapm_route *routes; 468 int i, index; 469 int num_routes; 470 471 card->dai_link = devm_kzalloc(dev, sizeof(rockchip_dais), 472 GFP_KERNEL); 473 if (!card->dai_link) 474 return -ENOMEM; 475 476 num_routes = 0; 477 for (i = 0; i < ARRAY_SIZE(rockchip_routes); i++) 478 num_routes += rockchip_routes[i].num_routes; 479 routes = devm_kcalloc(dev, num_routes, sizeof(*routes), 480 GFP_KERNEL); 481 if (!routes) 482 return -ENOMEM; 483 card->dapm_routes = routes; 484 485 np_cpu0 = of_parse_phandle(dev->of_node, "rockchip,cpu", 0); 486 np_cpu1 = of_parse_phandle(dev->of_node, "rockchip,cpu", 1); 487 488 card->num_dapm_routes = 0; 489 card->num_links = 0; 490 for (i = 0; i < ARRAY_SIZE(rockchip_dais); i++) { 491 np_codec = of_parse_phandle(dev->of_node, 492 "rockchip,codec", i); 493 if (!np_codec) 494 break; 495 496 if (!of_device_is_available(np_codec)) 497 continue; 498 499 index = rockchip_sound_codec_node_match(np_codec); 500 if (index < 0) 501 continue; 502 503 switch (index) { 504 case DAILINK_CDNDP: 505 np_cpu = np_cpu1; 506 break; 507 case DAILINK_RT5514_DSP: 508 np_cpu = np_codec; 509 break; 510 default: 511 np_cpu = np_cpu0; 512 break; 513 } 514 515 if (!np_cpu) { 516 dev_err(dev, "Missing 'rockchip,cpu' for %s\n", 517 rockchip_dais[index].name); 518 return -EINVAL; 519 } 520 521 dai = &card->dai_link[card->num_links++]; 522 *dai = rockchip_dais[index]; 523 524 if (!dai->codecs->name) 525 dai->codecs->of_node = np_codec; 526 dai->platforms->of_node = np_cpu; 527 dai->cpus->of_node = np_cpu; 528 529 if (card->num_dapm_routes + rockchip_routes[index].num_routes > 530 num_routes) { 531 dev_err(dev, "Too many routes\n"); 532 return -EINVAL; 533 } 534 535 memcpy(routes + card->num_dapm_routes, 536 rockchip_routes[index].routes, 537 rockchip_routes[index].num_routes * sizeof(*routes)); 538 card->num_dapm_routes += rockchip_routes[index].num_routes; 539 } 540 541 return 0; 542 } 543 544 static int rockchip_sound_probe(struct platform_device *pdev) 545 { 546 struct snd_soc_card *card = &rockchip_sound_card; 547 int ret; 548 549 ret = rockchip_sound_of_parse_dais(&pdev->dev, card); 550 if (ret < 0) { 551 dev_err(&pdev->dev, "Failed to parse dais: %d\n", ret); 552 return ret; 553 } 554 555 /* Set DMIC wakeup delay */ 556 ret = device_property_read_u32(&pdev->dev, "dmic-wakeup-delay-ms", 557 &dmic_wakeup_delay); 558 if (ret) { 559 dmic_wakeup_delay = 0; 560 dev_dbg(&pdev->dev, 561 "no optional property 'dmic-wakeup-delay-ms' found, default: no delay\n"); 562 } 563 564 card->dev = &pdev->dev; 565 return devm_snd_soc_register_card(&pdev->dev, card); 566 } 567 568 static const struct of_device_id rockchip_sound_of_match[] = { 569 { .compatible = "rockchip,rk3399-gru-sound", }, 570 {}, 571 }; 572 573 static struct platform_driver rockchip_sound_driver = { 574 .probe = rockchip_sound_probe, 575 .driver = { 576 .name = DRV_NAME, 577 .of_match_table = rockchip_sound_of_match, 578 #ifdef CONFIG_PM 579 .pm = &snd_soc_pm_ops, 580 #endif 581 }, 582 }; 583 584 module_platform_driver(rockchip_sound_driver); 585 586 MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>"); 587 MODULE_DESCRIPTION("Rockchip ASoC Machine Driver"); 588 MODULE_LICENSE("GPL v2"); 589 MODULE_ALIAS("platform:" DRV_NAME); 590 MODULE_DEVICE_TABLE(of, rockchip_sound_of_match); 591