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