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); 577