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_codec *codec = rtd->codec_dais[0]->codec; 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(rockchip_sound_jack.jack, SND_JACK_BTN_0, KEY_MEDIA); 210 snd_jack_set_key( 211 rockchip_sound_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP); 212 snd_jack_set_key( 213 rockchip_sound_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); 214 snd_jack_set_key( 215 rockchip_sound_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); 216 217 da7219_aad_jack_det(codec, &rockchip_sound_jack); 218 219 return 0; 220 } 221 222 static int rockchip_sound_cdndp_hw_params(struct snd_pcm_substream *substream, 223 struct snd_pcm_hw_params *params) 224 { 225 struct snd_soc_pcm_runtime *rtd = substream->private_data; 226 struct snd_soc_dai *cpu_dai = rtd->cpu_dai; 227 struct snd_soc_dai *codec_dai = rtd->codec_dai; 228 int mclk, ret; 229 230 /* in bypass mode, the mclk has to be one of the frequencies below */ 231 switch (params_rate(params)) { 232 case 8000: 233 case 16000: 234 case 24000: 235 case 32000: 236 case 48000: 237 case 64000: 238 case 96000: 239 mclk = 12288000; 240 break; 241 case 11025: 242 case 22050: 243 case 44100: 244 case 88200: 245 mclk = 11289600; 246 break; 247 default: 248 return -EINVAL; 249 } 250 251 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, 252 SND_SOC_CLOCK_OUT); 253 if (ret < 0) { 254 dev_err(codec_dai->dev, "Can't set cpu clock out %d\n", ret); 255 return ret; 256 } 257 258 return 0; 259 } 260 261 static int rockchip_sound_dmic_hw_params(struct snd_pcm_substream *substream, 262 struct snd_pcm_hw_params *params) 263 { 264 struct snd_soc_pcm_runtime *rtd = substream->private_data; 265 unsigned int mclk; 266 int ret; 267 268 mclk = params_rate(params) * SOUND_FS; 269 270 ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 0, mclk, 0); 271 if (ret) { 272 dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n", 273 __func__, mclk, ret); 274 return ret; 275 } 276 277 /* Wait for DMIC stable */ 278 msleep(dmic_wakeup_delay); 279 280 return 0; 281 } 282 283 static const struct snd_soc_ops rockchip_sound_max98357a_ops = { 284 .hw_params = rockchip_sound_max98357a_hw_params, 285 }; 286 287 static const struct snd_soc_ops rockchip_sound_rt5514_ops = { 288 .hw_params = rockchip_sound_rt5514_hw_params, 289 }; 290 291 static const struct snd_soc_ops rockchip_sound_da7219_ops = { 292 .hw_params = rockchip_sound_da7219_hw_params, 293 }; 294 295 static const struct snd_soc_ops rockchip_sound_cdndp_ops = { 296 .hw_params = rockchip_sound_cdndp_hw_params, 297 }; 298 299 static const struct snd_soc_ops rockchip_sound_dmic_ops = { 300 .hw_params = rockchip_sound_dmic_hw_params, 301 }; 302 303 static struct snd_soc_card rockchip_sound_card = { 304 .name = "rk3399-gru-sound", 305 .owner = THIS_MODULE, 306 .dapm_widgets = rockchip_dapm_widgets, 307 .num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets), 308 .controls = rockchip_controls, 309 .num_controls = ARRAY_SIZE(rockchip_controls), 310 }; 311 312 enum { 313 DAILINK_CDNDP, 314 DAILINK_DA7219, 315 DAILINK_DMIC, 316 DAILINK_MAX98357A, 317 DAILINK_RT5514, 318 DAILINK_RT5514_DSP, 319 }; 320 321 static const struct snd_soc_dai_link rockchip_dais[] = { 322 [DAILINK_CDNDP] = { 323 .name = "DP", 324 .stream_name = "DP PCM", 325 .codec_dai_name = "i2s-hifi", 326 .ops = &rockchip_sound_cdndp_ops, 327 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 328 SND_SOC_DAIFMT_CBS_CFS, 329 }, 330 [DAILINK_DA7219] = { 331 .name = "DA7219", 332 .stream_name = "DA7219 PCM", 333 .codec_dai_name = "da7219-hifi", 334 .init = rockchip_sound_da7219_init, 335 .ops = &rockchip_sound_da7219_ops, 336 /* set da7219 as slave */ 337 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 338 SND_SOC_DAIFMT_CBS_CFS, 339 }, 340 [DAILINK_DMIC] = { 341 .name = "DMIC", 342 .stream_name = "DMIC PCM", 343 .codec_dai_name = "dmic-hifi", 344 .ops = &rockchip_sound_dmic_ops, 345 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 346 SND_SOC_DAIFMT_CBS_CFS, 347 }, 348 [DAILINK_MAX98357A] = { 349 .name = "MAX98357A", 350 .stream_name = "MAX98357A PCM", 351 .codec_dai_name = "HiFi", 352 .ops = &rockchip_sound_max98357a_ops, 353 /* set max98357a as slave */ 354 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 355 SND_SOC_DAIFMT_CBS_CFS, 356 }, 357 [DAILINK_RT5514] = { 358 .name = "RT5514", 359 .stream_name = "RT5514 PCM", 360 .codec_dai_name = "rt5514-aif1", 361 .ops = &rockchip_sound_rt5514_ops, 362 /* set rt5514 as slave */ 363 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 364 SND_SOC_DAIFMT_CBS_CFS, 365 }, 366 /* RT5514 DSP for voice wakeup via spi bus */ 367 [DAILINK_RT5514_DSP] = { 368 .name = "RT5514 DSP", 369 .stream_name = "Wake on Voice", 370 .codec_dai_name = "rt5514-dsp-cpu-dai", 371 }, 372 }; 373 374 static const struct snd_soc_dapm_route rockchip_sound_cdndp_routes[] = { 375 /* Output */ 376 {"HDMI", NULL, "TX"}, 377 }; 378 379 static const struct snd_soc_dapm_route rockchip_sound_da7219_routes[] = { 380 /* Output */ 381 {"Headphones", NULL, "HPL"}, 382 {"Headphones", NULL, "HPR"}, 383 384 /* Input */ 385 {"MIC", NULL, "Headset Mic"}, 386 }; 387 388 static const struct snd_soc_dapm_route rockchip_sound_dmic_routes[] = { 389 /* Input */ 390 {"DMic", NULL, "Int Mic"}, 391 }; 392 393 static const struct snd_soc_dapm_route rockchip_sound_max98357a_routes[] = { 394 /* Output */ 395 {"Speakers", NULL, "Speaker"}, 396 }; 397 398 static const struct snd_soc_dapm_route rockchip_sound_rt5514_routes[] = { 399 /* Input */ 400 {"DMIC1L", NULL, "Int Mic"}, 401 {"DMIC1R", NULL, "Int Mic"}, 402 }; 403 404 struct rockchip_sound_route { 405 const struct snd_soc_dapm_route *routes; 406 int num_routes; 407 }; 408 409 static const struct rockchip_sound_route rockchip_routes[] = { 410 [DAILINK_CDNDP] = { 411 .routes = rockchip_sound_cdndp_routes, 412 .num_routes = ARRAY_SIZE(rockchip_sound_cdndp_routes), 413 }, 414 [DAILINK_DA7219] = { 415 .routes = rockchip_sound_da7219_routes, 416 .num_routes = ARRAY_SIZE(rockchip_sound_da7219_routes), 417 }, 418 [DAILINK_DMIC] = { 419 .routes = rockchip_sound_dmic_routes, 420 .num_routes = ARRAY_SIZE(rockchip_sound_dmic_routes), 421 }, 422 [DAILINK_MAX98357A] = { 423 .routes = rockchip_sound_max98357a_routes, 424 .num_routes = ARRAY_SIZE(rockchip_sound_max98357a_routes), 425 }, 426 [DAILINK_RT5514] = { 427 .routes = rockchip_sound_rt5514_routes, 428 .num_routes = ARRAY_SIZE(rockchip_sound_rt5514_routes), 429 }, 430 [DAILINK_RT5514_DSP] = {}, 431 }; 432 433 struct dailink_match_data { 434 const char *compatible; 435 struct bus_type *bus_type; 436 }; 437 438 static const struct dailink_match_data dailink_match[] = { 439 [DAILINK_CDNDP] = { 440 .compatible = "rockchip,rk3399-cdn-dp", 441 }, 442 [DAILINK_DA7219] = { 443 .compatible = "dlg,da7219", 444 }, 445 [DAILINK_DMIC] = { 446 .compatible = "dmic-codec", 447 }, 448 [DAILINK_MAX98357A] = { 449 .compatible = "maxim,max98357a", 450 }, 451 [DAILINK_RT5514] = { 452 .compatible = "realtek,rt5514", 453 .bus_type = &i2c_bus_type, 454 }, 455 [DAILINK_RT5514_DSP] = { 456 .compatible = "realtek,rt5514", 457 .bus_type = &spi_bus_type, 458 }, 459 }; 460 461 static int of_dev_node_match(struct device *dev, void *data) 462 { 463 return dev->of_node == data; 464 } 465 466 static int rockchip_sound_codec_node_match(struct device_node *np_codec) 467 { 468 struct device *dev; 469 int i; 470 471 for (i = 0; i < ARRAY_SIZE(dailink_match); i++) { 472 if (!of_device_is_compatible(np_codec, 473 dailink_match[i].compatible)) 474 continue; 475 476 if (dailink_match[i].bus_type) { 477 dev = bus_find_device(dailink_match[i].bus_type, NULL, 478 np_codec, of_dev_node_match); 479 if (!dev) 480 continue; 481 put_device(dev); 482 } 483 484 return i; 485 } 486 return -1; 487 } 488 489 static int rockchip_sound_of_parse_dais(struct device *dev, 490 struct snd_soc_card *card) 491 { 492 struct device_node *np_cpu, *np_cpu0, *np_cpu1; 493 struct device_node *np_codec; 494 struct snd_soc_dai_link *dai; 495 struct snd_soc_dapm_route *routes; 496 int i, index; 497 int num_routes; 498 499 card->dai_link = devm_kzalloc(dev, sizeof(rockchip_dais), 500 GFP_KERNEL); 501 if (!card->dai_link) 502 return -ENOMEM; 503 504 num_routes = 0; 505 for (i = 0; i < ARRAY_SIZE(rockchip_routes); i++) 506 num_routes += rockchip_routes[i].num_routes; 507 routes = devm_kzalloc(dev, num_routes * sizeof(*routes), 508 GFP_KERNEL); 509 if (!routes) 510 return -ENOMEM; 511 card->dapm_routes = routes; 512 513 np_cpu0 = of_parse_phandle(dev->of_node, "rockchip,cpu", 0); 514 np_cpu1 = of_parse_phandle(dev->of_node, "rockchip,cpu", 1); 515 516 card->num_dapm_routes = 0; 517 card->num_links = 0; 518 for (i = 0; i < ARRAY_SIZE(rockchip_dais); i++) { 519 np_codec = of_parse_phandle(dev->of_node, 520 "rockchip,codec", i); 521 if (!np_codec) 522 break; 523 524 if (!of_device_is_available(np_codec)) 525 continue; 526 527 index = rockchip_sound_codec_node_match(np_codec); 528 if (index < 0) 529 continue; 530 531 np_cpu = (index == DAILINK_CDNDP) ? np_cpu1 : np_cpu0; 532 if (!np_cpu) { 533 dev_err(dev, "Missing 'rockchip,cpu' for %s\n", 534 rockchip_dais[index].name); 535 return -EINVAL; 536 } 537 538 dai = &card->dai_link[card->num_links++]; 539 *dai = rockchip_dais[index]; 540 541 dai->codec_of_node = np_codec; 542 dai->platform_of_node = np_cpu; 543 dai->cpu_of_node = np_cpu; 544 545 if (card->num_dapm_routes + rockchip_routes[index].num_routes > 546 num_routes) { 547 dev_err(dev, "Too many routes\n"); 548 return -EINVAL; 549 } 550 551 memcpy(routes + card->num_dapm_routes, 552 rockchip_routes[index].routes, 553 rockchip_routes[index].num_routes * sizeof(*routes)); 554 card->num_dapm_routes += rockchip_routes[index].num_routes; 555 } 556 557 return 0; 558 } 559 560 static int rockchip_sound_probe(struct platform_device *pdev) 561 { 562 struct snd_soc_card *card = &rockchip_sound_card; 563 int ret; 564 565 ret = rockchip_sound_of_parse_dais(&pdev->dev, card); 566 if (ret < 0) { 567 dev_err(&pdev->dev, "Failed to parse dais: %d\n", ret); 568 return ret; 569 } 570 571 /* Set DMIC wakeup delay */ 572 ret = device_property_read_u32(&pdev->dev, "dmic-wakeup-delay-ms", 573 &dmic_wakeup_delay); 574 if (ret) { 575 dmic_wakeup_delay = 0; 576 dev_dbg(&pdev->dev, 577 "no optional property 'dmic-wakeup-delay-ms' found, default: no delay\n"); 578 } 579 580 card->dev = &pdev->dev; 581 return devm_snd_soc_register_card(&pdev->dev, card); 582 } 583 584 static const struct of_device_id rockchip_sound_of_match[] = { 585 { .compatible = "rockchip,rk3399-gru-sound", }, 586 {}, 587 }; 588 589 static struct platform_driver rockchip_sound_driver = { 590 .probe = rockchip_sound_probe, 591 .driver = { 592 .name = DRV_NAME, 593 .of_match_table = rockchip_sound_of_match, 594 #ifdef CONFIG_PM 595 .pm = &snd_soc_pm_ops, 596 #endif 597 }, 598 }; 599 600 module_platform_driver(rockchip_sound_driver); 601 602 MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>"); 603 MODULE_DESCRIPTION("Rockchip ASoC Machine Driver"); 604 MODULE_LICENSE("GPL v2"); 605 MODULE_ALIAS("platform:" DRV_NAME); 606 MODULE_DEVICE_TABLE(of, rockchip_sound_of_match); 607