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 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); 578