1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * byt_cr_dpcm_rt5640.c - ASoc Machine driver for Intel Byt CR platform 4 * 5 * Copyright (C) 2014 Intel Corp 6 * Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com> 7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 8 * 9 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 10 */ 11 12 #include <linux/i2c.h> 13 #include <linux/init.h> 14 #include <linux/module.h> 15 #include <linux/moduleparam.h> 16 #include <linux/platform_device.h> 17 #include <linux/acpi.h> 18 #include <linux/clk.h> 19 #include <linux/device.h> 20 #include <linux/dmi.h> 21 #include <linux/input.h> 22 #include <linux/slab.h> 23 #include <sound/pcm.h> 24 #include <sound/pcm_params.h> 25 #include <sound/soc.h> 26 #include <sound/jack.h> 27 #include <sound/soc-acpi.h> 28 #include <dt-bindings/sound/rt5640.h> 29 #include "../../codecs/rt5640.h" 30 #include "../atom/sst-atom-controls.h" 31 #include "../common/soc-intel-quirks.h" 32 33 enum { 34 BYT_RT5640_DMIC1_MAP, 35 BYT_RT5640_DMIC2_MAP, 36 BYT_RT5640_IN1_MAP, 37 BYT_RT5640_IN3_MAP, 38 BYT_RT5640_NO_INTERNAL_MIC_MAP, 39 }; 40 41 enum { 42 BYT_RT5640_JD_SRC_GPIO1 = (RT5640_JD_SRC_GPIO1 << 4), 43 BYT_RT5640_JD_SRC_JD1_IN4P = (RT5640_JD_SRC_JD1_IN4P << 4), 44 BYT_RT5640_JD_SRC_JD2_IN4N = (RT5640_JD_SRC_JD2_IN4N << 4), 45 BYT_RT5640_JD_SRC_GPIO2 = (RT5640_JD_SRC_GPIO2 << 4), 46 BYT_RT5640_JD_SRC_GPIO3 = (RT5640_JD_SRC_GPIO3 << 4), 47 BYT_RT5640_JD_SRC_GPIO4 = (RT5640_JD_SRC_GPIO4 << 4), 48 }; 49 50 enum { 51 BYT_RT5640_OVCD_TH_600UA = (6 << 8), 52 BYT_RT5640_OVCD_TH_1500UA = (15 << 8), 53 BYT_RT5640_OVCD_TH_2000UA = (20 << 8), 54 }; 55 56 enum { 57 BYT_RT5640_OVCD_SF_0P5 = (RT5640_OVCD_SF_0P5 << 13), 58 BYT_RT5640_OVCD_SF_0P75 = (RT5640_OVCD_SF_0P75 << 13), 59 BYT_RT5640_OVCD_SF_1P0 = (RT5640_OVCD_SF_1P0 << 13), 60 BYT_RT5640_OVCD_SF_1P5 = (RT5640_OVCD_SF_1P5 << 13), 61 }; 62 63 #define BYT_RT5640_MAP(quirk) ((quirk) & GENMASK(3, 0)) 64 #define BYT_RT5640_JDSRC(quirk) (((quirk) & GENMASK(7, 4)) >> 4) 65 #define BYT_RT5640_OVCD_TH(quirk) (((quirk) & GENMASK(12, 8)) >> 8) 66 #define BYT_RT5640_OVCD_SF(quirk) (((quirk) & GENMASK(14, 13)) >> 13) 67 #define BYT_RT5640_JD_NOT_INV BIT(16) 68 #define BYT_RT5640_MONO_SPEAKER BIT(17) 69 #define BYT_RT5640_DIFF_MIC BIT(18) /* default is single-ended */ 70 #define BYT_RT5640_SSP2_AIF2 BIT(19) /* default is using AIF1 */ 71 #define BYT_RT5640_SSP0_AIF1 BIT(20) 72 #define BYT_RT5640_SSP0_AIF2 BIT(21) 73 #define BYT_RT5640_MCLK_EN BIT(22) 74 #define BYT_RT5640_MCLK_25MHZ BIT(23) 75 #define BYT_RT5640_NO_SPEAKERS BIT(24) 76 77 #define BYTCR_INPUT_DEFAULTS \ 78 (BYT_RT5640_IN3_MAP | \ 79 BYT_RT5640_JD_SRC_JD1_IN4P | \ 80 BYT_RT5640_OVCD_TH_2000UA | \ 81 BYT_RT5640_OVCD_SF_0P75 | \ 82 BYT_RT5640_DIFF_MIC) 83 84 /* in-diff or dmic-pin + jdsrc + ovcd-th + -sf + jd-inv + terminating entry */ 85 #define MAX_NO_PROPS 6 86 87 struct byt_rt5640_private { 88 struct snd_soc_jack jack; 89 struct clk *mclk; 90 }; 91 static bool is_bytcr; 92 93 static unsigned long byt_rt5640_quirk = BYT_RT5640_MCLK_EN; 94 static int quirk_override = -1; 95 module_param_named(quirk, quirk_override, int, 0444); 96 MODULE_PARM_DESC(quirk, "Board-specific quirk override"); 97 98 static void log_quirks(struct device *dev) 99 { 100 int map; 101 bool has_mclk = false; 102 bool has_ssp0 = false; 103 bool has_ssp0_aif1 = false; 104 bool has_ssp0_aif2 = false; 105 bool has_ssp2_aif2 = false; 106 107 map = BYT_RT5640_MAP(byt_rt5640_quirk); 108 switch (map) { 109 case BYT_RT5640_DMIC1_MAP: 110 dev_info(dev, "quirk DMIC1_MAP enabled\n"); 111 break; 112 case BYT_RT5640_DMIC2_MAP: 113 dev_info(dev, "quirk DMIC2_MAP enabled\n"); 114 break; 115 case BYT_RT5640_IN1_MAP: 116 dev_info(dev, "quirk IN1_MAP enabled\n"); 117 break; 118 case BYT_RT5640_IN3_MAP: 119 dev_info(dev, "quirk IN3_MAP enabled\n"); 120 break; 121 case BYT_RT5640_NO_INTERNAL_MIC_MAP: 122 dev_info(dev, "quirk NO_INTERNAL_MIC_MAP enabled\n"); 123 break; 124 default: 125 dev_err(dev, "quirk map 0x%x is not supported, microphone input will not work\n", map); 126 break; 127 } 128 if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) { 129 dev_info(dev, "quirk realtek,jack-detect-source %ld\n", 130 BYT_RT5640_JDSRC(byt_rt5640_quirk)); 131 dev_info(dev, "quirk realtek,over-current-threshold-microamp %ld\n", 132 BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100); 133 dev_info(dev, "quirk realtek,over-current-scale-factor %ld\n", 134 BYT_RT5640_OVCD_SF(byt_rt5640_quirk)); 135 } 136 if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV) 137 dev_info(dev, "quirk JD_NOT_INV enabled\n"); 138 if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) 139 dev_info(dev, "quirk MONO_SPEAKER enabled\n"); 140 if (byt_rt5640_quirk & BYT_RT5640_NO_SPEAKERS) 141 dev_info(dev, "quirk NO_SPEAKERS enabled\n"); 142 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC) 143 dev_info(dev, "quirk DIFF_MIC enabled\n"); 144 if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) { 145 dev_info(dev, "quirk SSP0_AIF1 enabled\n"); 146 has_ssp0 = true; 147 has_ssp0_aif1 = true; 148 } 149 if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) { 150 dev_info(dev, "quirk SSP0_AIF2 enabled\n"); 151 has_ssp0 = true; 152 has_ssp0_aif2 = true; 153 } 154 if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) { 155 dev_info(dev, "quirk SSP2_AIF2 enabled\n"); 156 has_ssp2_aif2 = true; 157 } 158 if (is_bytcr && !has_ssp0) 159 dev_err(dev, "Invalid routing, bytcr detected but no SSP0-based quirk, audio cannot work with SSP2 on bytcr\n"); 160 if (has_ssp0_aif1 && has_ssp0_aif2) 161 dev_err(dev, "Invalid routing, SSP0 cannot be connected to both AIF1 and AIF2\n"); 162 if (has_ssp0 && has_ssp2_aif2) 163 dev_err(dev, "Invalid routing, cannot have both SSP0 and SSP2 connected to codec\n"); 164 165 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) { 166 dev_info(dev, "quirk MCLK_EN enabled\n"); 167 has_mclk = true; 168 } 169 if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) { 170 if (has_mclk) 171 dev_info(dev, "quirk MCLK_25MHZ enabled\n"); 172 else 173 dev_err(dev, "quirk MCLK_25MHZ enabled but quirk MCLK not selected, will be ignored\n"); 174 } 175 } 176 177 static int byt_rt5640_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai, 178 int rate) 179 { 180 int ret; 181 182 /* Configure the PLL before selecting it */ 183 if (!(byt_rt5640_quirk & BYT_RT5640_MCLK_EN)) { 184 /* use bitclock as PLL input */ 185 if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) || 186 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) { 187 /* 2x16 bit slots on SSP0 */ 188 ret = snd_soc_dai_set_pll(codec_dai, 0, 189 RT5640_PLL1_S_BCLK1, 190 rate * 32, rate * 512); 191 } else { 192 /* 2x15 bit slots on SSP2 */ 193 ret = snd_soc_dai_set_pll(codec_dai, 0, 194 RT5640_PLL1_S_BCLK1, 195 rate * 50, rate * 512); 196 } 197 } else { 198 if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) { 199 ret = snd_soc_dai_set_pll(codec_dai, 0, 200 RT5640_PLL1_S_MCLK, 201 25000000, rate * 512); 202 } else { 203 ret = snd_soc_dai_set_pll(codec_dai, 0, 204 RT5640_PLL1_S_MCLK, 205 19200000, rate * 512); 206 } 207 } 208 209 if (ret < 0) { 210 dev_err(codec_dai->component->dev, "can't set pll: %d\n", ret); 211 return ret; 212 } 213 214 ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1, 215 rate * 512, SND_SOC_CLOCK_IN); 216 if (ret < 0) { 217 dev_err(codec_dai->component->dev, "can't set clock %d\n", ret); 218 return ret; 219 } 220 221 return 0; 222 } 223 224 #define BYT_CODEC_DAI1 "rt5640-aif1" 225 #define BYT_CODEC_DAI2 "rt5640-aif2" 226 227 static int platform_clock_control(struct snd_soc_dapm_widget *w, 228 struct snd_kcontrol *k, int event) 229 { 230 struct snd_soc_dapm_context *dapm = w->dapm; 231 struct snd_soc_card *card = dapm->card; 232 struct snd_soc_dai *codec_dai; 233 struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card); 234 int ret; 235 236 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI1); 237 if (!codec_dai) 238 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI2); 239 240 if (!codec_dai) { 241 dev_err(card->dev, 242 "Codec dai not found; Unable to set platform clock\n"); 243 return -EIO; 244 } 245 246 if (SND_SOC_DAPM_EVENT_ON(event)) { 247 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) { 248 ret = clk_prepare_enable(priv->mclk); 249 if (ret < 0) { 250 dev_err(card->dev, 251 "could not configure MCLK state\n"); 252 return ret; 253 } 254 } 255 ret = byt_rt5640_prepare_and_enable_pll1(codec_dai, 48000); 256 } else { 257 /* 258 * Set codec clock source to internal clock before 259 * turning off the platform clock. Codec needs clock 260 * for Jack detection and button press 261 */ 262 ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_RCCLK, 263 48000 * 512, 264 SND_SOC_CLOCK_IN); 265 if (!ret) { 266 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) 267 clk_disable_unprepare(priv->mclk); 268 } 269 } 270 271 if (ret < 0) { 272 dev_err(card->dev, "can't set codec sysclk: %d\n", ret); 273 return ret; 274 } 275 276 return 0; 277 } 278 279 static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = { 280 SND_SOC_DAPM_HP("Headphone", NULL), 281 SND_SOC_DAPM_MIC("Headset Mic", NULL), 282 SND_SOC_DAPM_MIC("Internal Mic", NULL), 283 SND_SOC_DAPM_SPK("Speaker", NULL), 284 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, 285 platform_clock_control, SND_SOC_DAPM_PRE_PMU | 286 SND_SOC_DAPM_POST_PMD), 287 288 }; 289 290 static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = { 291 {"Headphone", NULL, "Platform Clock"}, 292 {"Headset Mic", NULL, "Platform Clock"}, 293 {"Internal Mic", NULL, "Platform Clock"}, 294 {"Speaker", NULL, "Platform Clock"}, 295 296 {"Headset Mic", NULL, "MICBIAS1"}, 297 {"IN2P", NULL, "Headset Mic"}, 298 {"Headphone", NULL, "HPOL"}, 299 {"Headphone", NULL, "HPOR"}, 300 }; 301 302 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = { 303 {"DMIC1", NULL, "Internal Mic"}, 304 }; 305 306 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = { 307 {"DMIC2", NULL, "Internal Mic"}, 308 }; 309 310 static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = { 311 {"Internal Mic", NULL, "MICBIAS1"}, 312 {"IN1P", NULL, "Internal Mic"}, 313 }; 314 315 static const struct snd_soc_dapm_route byt_rt5640_intmic_in3_map[] = { 316 {"Internal Mic", NULL, "MICBIAS1"}, 317 {"IN3P", NULL, "Internal Mic"}, 318 }; 319 320 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif1_map[] = { 321 {"ssp2 Tx", NULL, "codec_out0"}, 322 {"ssp2 Tx", NULL, "codec_out1"}, 323 {"codec_in0", NULL, "ssp2 Rx"}, 324 {"codec_in1", NULL, "ssp2 Rx"}, 325 326 {"AIF1 Playback", NULL, "ssp2 Tx"}, 327 {"ssp2 Rx", NULL, "AIF1 Capture"}, 328 }; 329 330 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif2_map[] = { 331 {"ssp2 Tx", NULL, "codec_out0"}, 332 {"ssp2 Tx", NULL, "codec_out1"}, 333 {"codec_in0", NULL, "ssp2 Rx"}, 334 {"codec_in1", NULL, "ssp2 Rx"}, 335 336 {"AIF2 Playback", NULL, "ssp2 Tx"}, 337 {"ssp2 Rx", NULL, "AIF2 Capture"}, 338 }; 339 340 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif1_map[] = { 341 {"ssp0 Tx", NULL, "modem_out"}, 342 {"modem_in", NULL, "ssp0 Rx"}, 343 344 {"AIF1 Playback", NULL, "ssp0 Tx"}, 345 {"ssp0 Rx", NULL, "AIF1 Capture"}, 346 }; 347 348 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif2_map[] = { 349 {"ssp0 Tx", NULL, "modem_out"}, 350 {"modem_in", NULL, "ssp0 Rx"}, 351 352 {"AIF2 Playback", NULL, "ssp0 Tx"}, 353 {"ssp0 Rx", NULL, "AIF2 Capture"}, 354 }; 355 356 static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map[] = { 357 {"Speaker", NULL, "SPOLP"}, 358 {"Speaker", NULL, "SPOLN"}, 359 {"Speaker", NULL, "SPORP"}, 360 {"Speaker", NULL, "SPORN"}, 361 }; 362 363 static const struct snd_soc_dapm_route byt_rt5640_mono_spk_map[] = { 364 {"Speaker", NULL, "SPOLP"}, 365 {"Speaker", NULL, "SPOLN"}, 366 }; 367 368 static const struct snd_kcontrol_new byt_rt5640_controls[] = { 369 SOC_DAPM_PIN_SWITCH("Headphone"), 370 SOC_DAPM_PIN_SWITCH("Headset Mic"), 371 SOC_DAPM_PIN_SWITCH("Internal Mic"), 372 SOC_DAPM_PIN_SWITCH("Speaker"), 373 }; 374 375 static struct snd_soc_jack_pin rt5640_pins[] = { 376 { 377 .pin = "Headphone", 378 .mask = SND_JACK_HEADPHONE, 379 }, 380 { 381 .pin = "Headset Mic", 382 .mask = SND_JACK_MICROPHONE, 383 }, 384 }; 385 386 static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream *substream, 387 struct snd_pcm_hw_params *params) 388 { 389 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 390 struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); 391 392 return byt_rt5640_prepare_and_enable_pll1(dai, params_rate(params)); 393 } 394 395 /* Please keep this list alphabetically sorted */ 396 static const struct dmi_system_id byt_rt5640_quirk_table[] = { 397 { /* Acer Iconia Tab 8 W1-810 */ 398 .matches = { 399 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"), 400 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Iconia W1-810"), 401 }, 402 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 403 BYT_RT5640_JD_SRC_JD1_IN4P | 404 BYT_RT5640_OVCD_TH_1500UA | 405 BYT_RT5640_OVCD_SF_0P75 | 406 BYT_RT5640_SSP0_AIF1 | 407 BYT_RT5640_MCLK_EN), 408 }, 409 { /* Acer One 10 S1002 */ 410 .matches = { 411 DMI_MATCH(DMI_SYS_VENDOR, "Acer"), 412 DMI_MATCH(DMI_PRODUCT_NAME, "One S1002"), 413 }, 414 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 415 BYT_RT5640_JD_SRC_JD2_IN4N | 416 BYT_RT5640_OVCD_TH_2000UA | 417 BYT_RT5640_OVCD_SF_0P75 | 418 BYT_RT5640_DIFF_MIC | 419 BYT_RT5640_SSP0_AIF2 | 420 BYT_RT5640_MCLK_EN), 421 }, 422 { 423 .matches = { 424 DMI_MATCH(DMI_SYS_VENDOR, "Acer"), 425 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"), 426 }, 427 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 428 BYT_RT5640_JD_SRC_JD2_IN4N | 429 BYT_RT5640_OVCD_TH_2000UA | 430 BYT_RT5640_OVCD_SF_0P75 | 431 BYT_RT5640_SSP0_AIF1 | 432 BYT_RT5640_MCLK_EN), 433 }, 434 { 435 .matches = { 436 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"), 437 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 80 Cesium"), 438 }, 439 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 440 BYT_RT5640_MONO_SPEAKER | 441 BYT_RT5640_SSP0_AIF1 | 442 BYT_RT5640_MCLK_EN), 443 }, 444 { 445 .matches = { 446 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"), 447 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 140 CESIUM"), 448 }, 449 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 450 BYT_RT5640_JD_SRC_JD2_IN4N | 451 BYT_RT5640_OVCD_TH_2000UA | 452 BYT_RT5640_OVCD_SF_0P75 | 453 BYT_RT5640_SSP0_AIF1 | 454 BYT_RT5640_MCLK_EN), 455 }, 456 { 457 .matches = { 458 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 459 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ME176C"), 460 }, 461 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 462 BYT_RT5640_JD_SRC_JD2_IN4N | 463 BYT_RT5640_OVCD_TH_2000UA | 464 BYT_RT5640_OVCD_SF_0P75 | 465 BYT_RT5640_SSP0_AIF1 | 466 BYT_RT5640_MCLK_EN), 467 }, 468 { 469 .matches = { 470 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 471 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"), 472 }, 473 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 474 BYT_RT5640_JD_SRC_JD2_IN4N | 475 BYT_RT5640_OVCD_TH_2000UA | 476 BYT_RT5640_OVCD_SF_0P75 | 477 BYT_RT5640_MCLK_EN), 478 }, 479 { 480 .matches = { 481 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 482 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TAF"), 483 }, 484 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 485 BYT_RT5640_JD_SRC_JD2_IN4N | 486 BYT_RT5640_OVCD_TH_2000UA | 487 BYT_RT5640_OVCD_SF_0P75 | 488 BYT_RT5640_MONO_SPEAKER | 489 BYT_RT5640_DIFF_MIC | 490 BYT_RT5640_SSP0_AIF2 | 491 BYT_RT5640_MCLK_EN), 492 }, 493 { /* Chuwi Vi8 (CWI506) */ 494 .matches = { 495 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"), 496 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "i86"), 497 /* The above are too generic, also match BIOS info */ 498 DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"), 499 }, 500 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 501 BYT_RT5640_MONO_SPEAKER | 502 BYT_RT5640_SSP0_AIF1 | 503 BYT_RT5640_MCLK_EN), 504 }, 505 { 506 /* Chuwi Vi10 (CWI505) */ 507 .matches = { 508 DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"), 509 DMI_MATCH(DMI_BOARD_NAME, "BYT-PF02"), 510 DMI_MATCH(DMI_SYS_VENDOR, "ilife"), 511 DMI_MATCH(DMI_PRODUCT_NAME, "S165"), 512 }, 513 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 514 BYT_RT5640_JD_SRC_JD2_IN4N | 515 BYT_RT5640_OVCD_TH_2000UA | 516 BYT_RT5640_OVCD_SF_0P75 | 517 BYT_RT5640_DIFF_MIC | 518 BYT_RT5640_SSP0_AIF1 | 519 BYT_RT5640_MCLK_EN), 520 }, 521 { 522 /* Chuwi Hi8 (CWI509) */ 523 .matches = { 524 DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"), 525 DMI_MATCH(DMI_BOARD_NAME, "BYT-PA03C"), 526 DMI_MATCH(DMI_SYS_VENDOR, "ilife"), 527 DMI_MATCH(DMI_PRODUCT_NAME, "S806"), 528 }, 529 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 530 BYT_RT5640_JD_SRC_JD2_IN4N | 531 BYT_RT5640_OVCD_TH_2000UA | 532 BYT_RT5640_OVCD_SF_0P75 | 533 BYT_RT5640_MONO_SPEAKER | 534 BYT_RT5640_DIFF_MIC | 535 BYT_RT5640_SSP0_AIF1 | 536 BYT_RT5640_MCLK_EN), 537 }, 538 { 539 .matches = { 540 DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"), 541 DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"), 542 }, 543 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP), 544 }, 545 { /* Connect Tablet 9 */ 546 .matches = { 547 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Connect"), 548 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Tablet 9"), 549 }, 550 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 551 BYT_RT5640_MONO_SPEAKER | 552 BYT_RT5640_SSP0_AIF1 | 553 BYT_RT5640_MCLK_EN), 554 }, 555 { 556 .matches = { 557 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 558 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"), 559 }, 560 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 561 BYT_RT5640_JD_SRC_JD2_IN4N | 562 BYT_RT5640_OVCD_TH_2000UA | 563 BYT_RT5640_OVCD_SF_0P75 | 564 BYT_RT5640_MONO_SPEAKER | 565 BYT_RT5640_MCLK_EN), 566 }, 567 { /* Estar Beauty HD MID 7316R */ 568 .matches = { 569 DMI_MATCH(DMI_SYS_VENDOR, "Estar"), 570 DMI_MATCH(DMI_PRODUCT_NAME, "eSTAR BEAUTY HD Intel Quad core"), 571 }, 572 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 573 BYT_RT5640_MONO_SPEAKER | 574 BYT_RT5640_SSP0_AIF1 | 575 BYT_RT5640_MCLK_EN), 576 }, 577 { /* Glavey TM800A550L */ 578 .matches = { 579 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 580 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 581 /* Above strings are too generic, also match on BIOS version */ 582 DMI_MATCH(DMI_BIOS_VERSION, "ZY-8-BI-PX4S70VTR400-X423B-005-D"), 583 }, 584 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 585 BYT_RT5640_SSP0_AIF1 | 586 BYT_RT5640_MCLK_EN), 587 }, 588 { 589 .matches = { 590 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), 591 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP ElitePad 1000 G2"), 592 }, 593 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 594 BYT_RT5640_MCLK_EN), 595 }, 596 { /* HP Pavilion x2 10-k0XX, 10-n0XX */ 597 .matches = { 598 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), 599 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"), 600 }, 601 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 602 BYT_RT5640_JD_SRC_JD2_IN4N | 603 BYT_RT5640_OVCD_TH_1500UA | 604 BYT_RT5640_OVCD_SF_0P75 | 605 BYT_RT5640_SSP0_AIF1 | 606 BYT_RT5640_MCLK_EN), 607 }, 608 { /* HP Pavilion x2 10-p0XX */ 609 .matches = { 610 DMI_MATCH(DMI_SYS_VENDOR, "HP"), 611 DMI_MATCH(DMI_PRODUCT_NAME, "HP x2 Detachable 10-p0XX"), 612 }, 613 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 614 BYT_RT5640_JD_SRC_JD1_IN4P | 615 BYT_RT5640_OVCD_TH_2000UA | 616 BYT_RT5640_OVCD_SF_0P75 | 617 BYT_RT5640_MCLK_EN), 618 }, 619 { /* HP Stream 7 */ 620 .matches = { 621 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), 622 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP Stream 7 Tablet"), 623 }, 624 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 625 BYT_RT5640_MONO_SPEAKER | 626 BYT_RT5640_JD_NOT_INV | 627 BYT_RT5640_SSP0_AIF1 | 628 BYT_RT5640_MCLK_EN), 629 }, 630 { /* I.T.Works TW891 */ 631 .matches = { 632 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."), 633 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"), 634 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), 635 DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"), 636 }, 637 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 638 BYT_RT5640_MONO_SPEAKER | 639 BYT_RT5640_SSP0_AIF1 | 640 BYT_RT5640_MCLK_EN), 641 }, 642 { /* Lamina I8270 / T701BR.SE */ 643 .matches = { 644 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Lamina"), 645 DMI_EXACT_MATCH(DMI_BOARD_NAME, "T701BR.SE"), 646 }, 647 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 648 BYT_RT5640_MONO_SPEAKER | 649 BYT_RT5640_JD_NOT_INV | 650 BYT_RT5640_SSP0_AIF1 | 651 BYT_RT5640_MCLK_EN), 652 }, 653 { /* Lenovo Miix 2 8 */ 654 .matches = { 655 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 656 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "20326"), 657 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Hiking"), 658 }, 659 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 660 BYT_RT5640_JD_SRC_JD2_IN4N | 661 BYT_RT5640_OVCD_TH_2000UA | 662 BYT_RT5640_OVCD_SF_0P75 | 663 BYT_RT5640_MONO_SPEAKER | 664 BYT_RT5640_MCLK_EN), 665 }, 666 { /* Lenovo Miix 3-830 */ 667 .matches = { 668 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 669 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 3-830"), 670 }, 671 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 672 BYT_RT5640_JD_SRC_JD2_IN4N | 673 BYT_RT5640_OVCD_TH_2000UA | 674 BYT_RT5640_OVCD_SF_0P75 | 675 BYT_RT5640_MONO_SPEAKER | 676 BYT_RT5640_DIFF_MIC | 677 BYT_RT5640_SSP0_AIF1 | 678 BYT_RT5640_MCLK_EN), 679 }, 680 { /* Linx Linx7 tablet */ 681 .matches = { 682 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LINX"), 683 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LINX7"), 684 }, 685 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 686 BYT_RT5640_MONO_SPEAKER | 687 BYT_RT5640_JD_NOT_INV | 688 BYT_RT5640_SSP0_AIF1 | 689 BYT_RT5640_MCLK_EN), 690 }, 691 { /* Mele PCG03 Mini PC */ 692 .matches = { 693 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Mini PC"), 694 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Mini PC"), 695 }, 696 .driver_data = (void *)(BYT_RT5640_NO_INTERNAL_MIC_MAP | 697 BYT_RT5640_NO_SPEAKERS | 698 BYT_RT5640_SSP0_AIF1), 699 }, 700 { /* MPMAN Converter 9, similar hw as the I.T.Works TW891 2-in-1 */ 701 .matches = { 702 DMI_MATCH(DMI_SYS_VENDOR, "MPMAN"), 703 DMI_MATCH(DMI_PRODUCT_NAME, "Converter9"), 704 }, 705 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 706 BYT_RT5640_MONO_SPEAKER | 707 BYT_RT5640_SSP0_AIF1 | 708 BYT_RT5640_MCLK_EN), 709 }, 710 { 711 /* MPMAN MPWIN895CL */ 712 .matches = { 713 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "MPMAN"), 714 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MPWIN8900CL"), 715 }, 716 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 717 BYT_RT5640_MONO_SPEAKER | 718 BYT_RT5640_SSP0_AIF1 | 719 BYT_RT5640_MCLK_EN), 720 }, 721 { /* MSI S100 tablet */ 722 .matches = { 723 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Micro-Star International Co., Ltd."), 724 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "S100"), 725 }, 726 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 727 BYT_RT5640_JD_SRC_JD2_IN4N | 728 BYT_RT5640_OVCD_TH_2000UA | 729 BYT_RT5640_OVCD_SF_0P75 | 730 BYT_RT5640_MONO_SPEAKER | 731 BYT_RT5640_DIFF_MIC | 732 BYT_RT5640_MCLK_EN), 733 }, 734 { /* Nuvison/TMax TM800W560 */ 735 .matches = { 736 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TMAX"), 737 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TM800W560L"), 738 }, 739 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 740 BYT_RT5640_JD_SRC_JD2_IN4N | 741 BYT_RT5640_OVCD_TH_2000UA | 742 BYT_RT5640_OVCD_SF_0P75 | 743 BYT_RT5640_JD_NOT_INV | 744 BYT_RT5640_DIFF_MIC | 745 BYT_RT5640_SSP0_AIF1 | 746 BYT_RT5640_MCLK_EN), 747 }, 748 { /* Onda v975w */ 749 .matches = { 750 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 751 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 752 /* The above are too generic, also match BIOS info */ 753 DMI_EXACT_MATCH(DMI_BIOS_VERSION, "5.6.5"), 754 DMI_EXACT_MATCH(DMI_BIOS_DATE, "07/25/2014"), 755 }, 756 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 757 BYT_RT5640_JD_SRC_JD2_IN4N | 758 BYT_RT5640_OVCD_TH_2000UA | 759 BYT_RT5640_OVCD_SF_0P75 | 760 BYT_RT5640_DIFF_MIC | 761 BYT_RT5640_MCLK_EN), 762 }, 763 { /* Pipo W4 */ 764 .matches = { 765 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 766 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 767 /* The above are too generic, also match BIOS info */ 768 DMI_MATCH(DMI_BIOS_VERSION, "V8L_WIN32_CHIPHD"), 769 }, 770 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 771 BYT_RT5640_MONO_SPEAKER | 772 BYT_RT5640_SSP0_AIF1 | 773 BYT_RT5640_MCLK_EN), 774 }, 775 { /* Point of View Mobii TAB-P800W (V2.0) */ 776 .matches = { 777 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 778 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 779 /* The above are too generic, also match BIOS info */ 780 DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1014"), 781 DMI_EXACT_MATCH(DMI_BIOS_DATE, "10/24/2014"), 782 }, 783 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 784 BYT_RT5640_JD_SRC_JD2_IN4N | 785 BYT_RT5640_OVCD_TH_2000UA | 786 BYT_RT5640_OVCD_SF_0P75 | 787 BYT_RT5640_MONO_SPEAKER | 788 BYT_RT5640_DIFF_MIC | 789 BYT_RT5640_SSP0_AIF2 | 790 BYT_RT5640_MCLK_EN), 791 }, 792 { /* Point of View Mobii TAB-P800W (V2.1) */ 793 .matches = { 794 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 795 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 796 /* The above are too generic, also match BIOS info */ 797 DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1013"), 798 DMI_EXACT_MATCH(DMI_BIOS_DATE, "08/22/2014"), 799 }, 800 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 801 BYT_RT5640_JD_SRC_JD2_IN4N | 802 BYT_RT5640_OVCD_TH_2000UA | 803 BYT_RT5640_OVCD_SF_0P75 | 804 BYT_RT5640_MONO_SPEAKER | 805 BYT_RT5640_DIFF_MIC | 806 BYT_RT5640_SSP0_AIF2 | 807 BYT_RT5640_MCLK_EN), 808 }, 809 { /* Point of View Mobii TAB-P1005W-232 (V2.0) */ 810 .matches = { 811 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "POV"), 812 DMI_EXACT_MATCH(DMI_BOARD_NAME, "I102A"), 813 }, 814 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 815 BYT_RT5640_JD_SRC_JD2_IN4N | 816 BYT_RT5640_OVCD_TH_2000UA | 817 BYT_RT5640_OVCD_SF_0P75 | 818 BYT_RT5640_DIFF_MIC | 819 BYT_RT5640_SSP0_AIF1 | 820 BYT_RT5640_MCLK_EN), 821 }, 822 { 823 /* Prowise PT301 */ 824 .matches = { 825 DMI_MATCH(DMI_SYS_VENDOR, "Prowise"), 826 DMI_MATCH(DMI_PRODUCT_NAME, "PT301"), 827 }, 828 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 829 BYT_RT5640_JD_SRC_JD2_IN4N | 830 BYT_RT5640_OVCD_TH_2000UA | 831 BYT_RT5640_OVCD_SF_0P75 | 832 BYT_RT5640_DIFF_MIC | 833 BYT_RT5640_SSP0_AIF1 | 834 BYT_RT5640_MCLK_EN), 835 }, 836 { 837 /* Teclast X89 */ 838 .matches = { 839 DMI_MATCH(DMI_BOARD_VENDOR, "TECLAST"), 840 DMI_MATCH(DMI_BOARD_NAME, "tPAD"), 841 }, 842 .driver_data = (void *)(BYT_RT5640_IN3_MAP | 843 BYT_RT5640_JD_SRC_JD1_IN4P | 844 BYT_RT5640_OVCD_TH_2000UA | 845 BYT_RT5640_OVCD_SF_1P0 | 846 BYT_RT5640_SSP0_AIF1 | 847 BYT_RT5640_MCLK_EN), 848 }, 849 { /* Toshiba Satellite Click Mini L9W-B */ 850 .matches = { 851 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 852 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SATELLITE Click Mini L9W-B"), 853 }, 854 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 855 BYT_RT5640_JD_SRC_JD2_IN4N | 856 BYT_RT5640_OVCD_TH_1500UA | 857 BYT_RT5640_OVCD_SF_0P75 | 858 BYT_RT5640_SSP0_AIF1 | 859 BYT_RT5640_MCLK_EN), 860 }, 861 { /* Toshiba Encore WT8-A */ 862 .matches = { 863 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 864 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TOSHIBA WT8-A"), 865 }, 866 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 867 BYT_RT5640_JD_SRC_JD2_IN4N | 868 BYT_RT5640_OVCD_TH_2000UA | 869 BYT_RT5640_OVCD_SF_0P75 | 870 BYT_RT5640_JD_NOT_INV | 871 BYT_RT5640_MCLK_EN), 872 }, 873 { /* Toshiba Encore WT10-A */ 874 .matches = { 875 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 876 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TOSHIBA WT10-A-103"), 877 }, 878 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 879 BYT_RT5640_JD_SRC_JD1_IN4P | 880 BYT_RT5640_OVCD_TH_2000UA | 881 BYT_RT5640_OVCD_SF_0P75 | 882 BYT_RT5640_SSP0_AIF2 | 883 BYT_RT5640_MCLK_EN), 884 }, 885 { /* Voyo Winpad A15 */ 886 .matches = { 887 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 888 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 889 /* Above strings are too generic, also match on BIOS date */ 890 DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"), 891 }, 892 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 893 BYT_RT5640_JD_SRC_JD2_IN4N | 894 BYT_RT5640_OVCD_TH_2000UA | 895 BYT_RT5640_OVCD_SF_0P75 | 896 BYT_RT5640_DIFF_MIC | 897 BYT_RT5640_MCLK_EN), 898 }, 899 { /* Catch-all for generic Insyde tablets, must be last */ 900 .matches = { 901 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), 902 }, 903 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 904 BYT_RT5640_MCLK_EN | 905 BYT_RT5640_SSP0_AIF1), 906 907 }, 908 {} 909 }; 910 911 /* 912 * Note this MUST be called before snd_soc_register_card(), so that the props 913 * are in place before the codec component driver's probe function parses them. 914 */ 915 static int byt_rt5640_add_codec_device_props(const char *i2c_dev_name) 916 { 917 struct property_entry props[MAX_NO_PROPS] = {}; 918 struct device *i2c_dev; 919 int ret, cnt = 0; 920 921 i2c_dev = bus_find_device_by_name(&i2c_bus_type, NULL, i2c_dev_name); 922 if (!i2c_dev) 923 return -EPROBE_DEFER; 924 925 switch (BYT_RT5640_MAP(byt_rt5640_quirk)) { 926 case BYT_RT5640_DMIC1_MAP: 927 props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic1-data-pin", 928 RT5640_DMIC1_DATA_PIN_IN1P); 929 break; 930 case BYT_RT5640_DMIC2_MAP: 931 props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic2-data-pin", 932 RT5640_DMIC2_DATA_PIN_IN1N); 933 break; 934 case BYT_RT5640_IN1_MAP: 935 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC) 936 props[cnt++] = 937 PROPERTY_ENTRY_BOOL("realtek,in1-differential"); 938 break; 939 case BYT_RT5640_IN3_MAP: 940 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC) 941 props[cnt++] = 942 PROPERTY_ENTRY_BOOL("realtek,in3-differential"); 943 break; 944 } 945 946 if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) { 947 props[cnt++] = PROPERTY_ENTRY_U32( 948 "realtek,jack-detect-source", 949 BYT_RT5640_JDSRC(byt_rt5640_quirk)); 950 951 props[cnt++] = PROPERTY_ENTRY_U32( 952 "realtek,over-current-threshold-microamp", 953 BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100); 954 955 props[cnt++] = PROPERTY_ENTRY_U32( 956 "realtek,over-current-scale-factor", 957 BYT_RT5640_OVCD_SF(byt_rt5640_quirk)); 958 } 959 960 if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV) 961 props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,jack-detect-not-inverted"); 962 963 ret = device_add_properties(i2c_dev, props); 964 put_device(i2c_dev); 965 966 return ret; 967 } 968 969 static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime) 970 { 971 struct snd_soc_card *card = runtime->card; 972 struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card); 973 struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component; 974 const struct snd_soc_dapm_route *custom_map = NULL; 975 int num_routes = 0; 976 int ret; 977 978 card->dapm.idle_bias_off = true; 979 980 /* Start with RC clk for jack-detect (we disable MCLK below) */ 981 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) 982 snd_soc_component_update_bits(component, RT5640_GLB_CLK, 983 RT5640_SCLK_SRC_MASK, RT5640_SCLK_SRC_RCCLK); 984 985 rt5640_sel_asrc_clk_src(component, 986 RT5640_DA_STEREO_FILTER | 987 RT5640_DA_MONO_L_FILTER | 988 RT5640_DA_MONO_R_FILTER | 989 RT5640_AD_STEREO_FILTER | 990 RT5640_AD_MONO_L_FILTER | 991 RT5640_AD_MONO_R_FILTER, 992 RT5640_CLK_SEL_ASRC); 993 994 ret = snd_soc_add_card_controls(card, byt_rt5640_controls, 995 ARRAY_SIZE(byt_rt5640_controls)); 996 if (ret) { 997 dev_err(card->dev, "unable to add card controls\n"); 998 return ret; 999 } 1000 1001 switch (BYT_RT5640_MAP(byt_rt5640_quirk)) { 1002 case BYT_RT5640_IN1_MAP: 1003 custom_map = byt_rt5640_intmic_in1_map; 1004 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map); 1005 break; 1006 case BYT_RT5640_IN3_MAP: 1007 custom_map = byt_rt5640_intmic_in3_map; 1008 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in3_map); 1009 break; 1010 case BYT_RT5640_DMIC1_MAP: 1011 custom_map = byt_rt5640_intmic_dmic1_map; 1012 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map); 1013 break; 1014 case BYT_RT5640_DMIC2_MAP: 1015 custom_map = byt_rt5640_intmic_dmic2_map; 1016 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map); 1017 break; 1018 } 1019 1020 ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes); 1021 if (ret) 1022 return ret; 1023 1024 if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) { 1025 ret = snd_soc_dapm_add_routes(&card->dapm, 1026 byt_rt5640_ssp2_aif2_map, 1027 ARRAY_SIZE(byt_rt5640_ssp2_aif2_map)); 1028 } else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) { 1029 ret = snd_soc_dapm_add_routes(&card->dapm, 1030 byt_rt5640_ssp0_aif1_map, 1031 ARRAY_SIZE(byt_rt5640_ssp0_aif1_map)); 1032 } else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) { 1033 ret = snd_soc_dapm_add_routes(&card->dapm, 1034 byt_rt5640_ssp0_aif2_map, 1035 ARRAY_SIZE(byt_rt5640_ssp0_aif2_map)); 1036 } else { 1037 ret = snd_soc_dapm_add_routes(&card->dapm, 1038 byt_rt5640_ssp2_aif1_map, 1039 ARRAY_SIZE(byt_rt5640_ssp2_aif1_map)); 1040 } 1041 if (ret) 1042 return ret; 1043 1044 if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) { 1045 ret = snd_soc_dapm_add_routes(&card->dapm, 1046 byt_rt5640_mono_spk_map, 1047 ARRAY_SIZE(byt_rt5640_mono_spk_map)); 1048 } else if (!(byt_rt5640_quirk & BYT_RT5640_NO_SPEAKERS)) { 1049 ret = snd_soc_dapm_add_routes(&card->dapm, 1050 byt_rt5640_stereo_spk_map, 1051 ARRAY_SIZE(byt_rt5640_stereo_spk_map)); 1052 } 1053 if (ret) 1054 return ret; 1055 1056 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) { 1057 /* 1058 * The firmware might enable the clock at 1059 * boot (this information may or may not 1060 * be reflected in the enable clock register). 1061 * To change the rate we must disable the clock 1062 * first to cover these cases. Due to common 1063 * clock framework restrictions that do not allow 1064 * to disable a clock that has not been enabled, 1065 * we need to enable the clock first. 1066 */ 1067 ret = clk_prepare_enable(priv->mclk); 1068 if (!ret) 1069 clk_disable_unprepare(priv->mclk); 1070 1071 if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) 1072 ret = clk_set_rate(priv->mclk, 25000000); 1073 else 1074 ret = clk_set_rate(priv->mclk, 19200000); 1075 1076 if (ret) { 1077 dev_err(card->dev, "unable to set MCLK rate\n"); 1078 return ret; 1079 } 1080 } 1081 1082 if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) { 1083 ret = snd_soc_card_jack_new(card, "Headset", 1084 SND_JACK_HEADSET | SND_JACK_BTN_0, 1085 &priv->jack, rt5640_pins, 1086 ARRAY_SIZE(rt5640_pins)); 1087 if (ret) { 1088 dev_err(card->dev, "Jack creation failed %d\n", ret); 1089 return ret; 1090 } 1091 snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0, 1092 KEY_PLAYPAUSE); 1093 snd_soc_component_set_jack(component, &priv->jack, NULL); 1094 } 1095 1096 return 0; 1097 } 1098 1099 static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd, 1100 struct snd_pcm_hw_params *params) 1101 { 1102 struct snd_interval *rate = hw_param_interval(params, 1103 SNDRV_PCM_HW_PARAM_RATE); 1104 struct snd_interval *channels = hw_param_interval(params, 1105 SNDRV_PCM_HW_PARAM_CHANNELS); 1106 int ret, bits; 1107 1108 /* The DSP will covert the FE rate to 48k, stereo */ 1109 rate->min = rate->max = 48000; 1110 channels->min = channels->max = 2; 1111 1112 if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) || 1113 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) { 1114 /* set SSP0 to 16-bit */ 1115 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE); 1116 bits = 16; 1117 } else { 1118 /* set SSP2 to 24-bit */ 1119 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); 1120 bits = 24; 1121 } 1122 1123 /* 1124 * Default mode for SSP configuration is TDM 4 slot, override config 1125 * with explicit setting to I2S 2ch. The word length is set with 1126 * dai_set_tdm_slot() since there is no other API exposed 1127 */ 1128 ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0), 1129 SND_SOC_DAIFMT_I2S | 1130 SND_SOC_DAIFMT_NB_NF | 1131 SND_SOC_DAIFMT_CBS_CFS); 1132 if (ret < 0) { 1133 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret); 1134 return ret; 1135 } 1136 1137 ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, bits); 1138 if (ret < 0) { 1139 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret); 1140 return ret; 1141 } 1142 1143 return 0; 1144 } 1145 1146 static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream) 1147 { 1148 return snd_pcm_hw_constraint_single(substream->runtime, 1149 SNDRV_PCM_HW_PARAM_RATE, 48000); 1150 } 1151 1152 static const struct snd_soc_ops byt_rt5640_aif1_ops = { 1153 .startup = byt_rt5640_aif1_startup, 1154 }; 1155 1156 static const struct snd_soc_ops byt_rt5640_be_ssp2_ops = { 1157 .hw_params = byt_rt5640_aif1_hw_params, 1158 }; 1159 1160 SND_SOC_DAILINK_DEF(dummy, 1161 DAILINK_COMP_ARRAY(COMP_DUMMY())); 1162 1163 SND_SOC_DAILINK_DEF(media, 1164 DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai"))); 1165 1166 SND_SOC_DAILINK_DEF(deepbuffer, 1167 DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai"))); 1168 1169 SND_SOC_DAILINK_DEF(ssp2_port, 1170 /* overwritten for ssp0 routing */ 1171 DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port"))); 1172 SND_SOC_DAILINK_DEF(ssp2_codec, 1173 DAILINK_COMP_ARRAY(COMP_CODEC( 1174 /* overwritten with HID */ "i2c-10EC5640:00", 1175 /* changed w/ quirk */ "rt5640-aif1"))); 1176 1177 SND_SOC_DAILINK_DEF(platform, 1178 DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform"))); 1179 1180 static struct snd_soc_dai_link byt_rt5640_dais[] = { 1181 [MERR_DPCM_AUDIO] = { 1182 .name = "Baytrail Audio Port", 1183 .stream_name = "Baytrail Audio", 1184 .nonatomic = true, 1185 .dynamic = 1, 1186 .dpcm_playback = 1, 1187 .dpcm_capture = 1, 1188 .ops = &byt_rt5640_aif1_ops, 1189 SND_SOC_DAILINK_REG(media, dummy, platform), 1190 }, 1191 [MERR_DPCM_DEEP_BUFFER] = { 1192 .name = "Deep-Buffer Audio Port", 1193 .stream_name = "Deep-Buffer Audio", 1194 .nonatomic = true, 1195 .dynamic = 1, 1196 .dpcm_playback = 1, 1197 .ops = &byt_rt5640_aif1_ops, 1198 SND_SOC_DAILINK_REG(deepbuffer, dummy, platform), 1199 }, 1200 /* back ends */ 1201 { 1202 .name = "SSP2-Codec", 1203 .id = 0, 1204 .no_pcm = 1, 1205 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 1206 | SND_SOC_DAIFMT_CBS_CFS, 1207 .be_hw_params_fixup = byt_rt5640_codec_fixup, 1208 .dpcm_playback = 1, 1209 .dpcm_capture = 1, 1210 .init = byt_rt5640_init, 1211 .ops = &byt_rt5640_be_ssp2_ops, 1212 SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform), 1213 }, 1214 }; 1215 1216 /* SoC card */ 1217 static char byt_rt5640_codec_name[SND_ACPI_I2C_ID_LEN]; 1218 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES) 1219 static char byt_rt5640_long_name[40]; /* = "bytcr-rt5640-*-spk-*-mic" */ 1220 #endif 1221 static char byt_rt5640_components[32]; /* = "cfg-spk:* cfg-mic:*" */ 1222 1223 static int byt_rt5640_suspend(struct snd_soc_card *card) 1224 { 1225 struct snd_soc_component *component; 1226 1227 if (!BYT_RT5640_JDSRC(byt_rt5640_quirk)) 1228 return 0; 1229 1230 for_each_card_components(card, component) { 1231 if (!strcmp(component->name, byt_rt5640_codec_name)) { 1232 dev_dbg(component->dev, "disabling jack detect before suspend\n"); 1233 snd_soc_component_set_jack(component, NULL, NULL); 1234 break; 1235 } 1236 } 1237 1238 return 0; 1239 } 1240 1241 static int byt_rt5640_resume(struct snd_soc_card *card) 1242 { 1243 struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card); 1244 struct snd_soc_component *component; 1245 1246 if (!BYT_RT5640_JDSRC(byt_rt5640_quirk)) 1247 return 0; 1248 1249 for_each_card_components(card, component) { 1250 if (!strcmp(component->name, byt_rt5640_codec_name)) { 1251 dev_dbg(component->dev, "re-enabling jack detect after resume\n"); 1252 snd_soc_component_set_jack(component, &priv->jack, NULL); 1253 break; 1254 } 1255 } 1256 1257 return 0; 1258 } 1259 1260 /* use space before codec name to simplify card ID, and simplify driver name */ 1261 #define SOF_CARD_NAME "bytcht rt5640" /* card name will be 'sof-bytcht rt5640' */ 1262 #define SOF_DRIVER_NAME "SOF" 1263 1264 #define CARD_NAME "bytcr-rt5640" 1265 #define DRIVER_NAME NULL /* card name will be used for driver name */ 1266 1267 static struct snd_soc_card byt_rt5640_card = { 1268 .owner = THIS_MODULE, 1269 .dai_link = byt_rt5640_dais, 1270 .num_links = ARRAY_SIZE(byt_rt5640_dais), 1271 .dapm_widgets = byt_rt5640_widgets, 1272 .num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets), 1273 .dapm_routes = byt_rt5640_audio_map, 1274 .num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map), 1275 .fully_routed = true, 1276 .suspend_pre = byt_rt5640_suspend, 1277 .resume_post = byt_rt5640_resume, 1278 }; 1279 1280 struct acpi_chan_package { /* ACPICA seems to require 64 bit integers */ 1281 u64 aif_value; /* 1: AIF1, 2: AIF2 */ 1282 u64 mclock_value; /* usually 25MHz (0x17d7940), ignored */ 1283 }; 1284 1285 static int snd_byt_rt5640_mc_probe(struct platform_device *pdev) 1286 { 1287 struct device *dev = &pdev->dev; 1288 static const char * const map_name[] = { "dmic1", "dmic2", "in1", "in3", "none" }; 1289 __maybe_unused const char *spk_type; 1290 const struct dmi_system_id *dmi_id; 1291 struct byt_rt5640_private *priv; 1292 struct snd_soc_acpi_mach *mach; 1293 const char *platform_name; 1294 struct acpi_device *adev; 1295 bool sof_parent; 1296 int ret_val = 0; 1297 int dai_index = 0; 1298 int i, cfg_spk; 1299 int aif; 1300 1301 is_bytcr = false; 1302 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); 1303 if (!priv) 1304 return -ENOMEM; 1305 1306 /* register the soc card */ 1307 byt_rt5640_card.dev = &pdev->dev; 1308 mach = byt_rt5640_card.dev->platform_data; 1309 snd_soc_card_set_drvdata(&byt_rt5640_card, priv); 1310 1311 /* fix index of codec dai */ 1312 for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) { 1313 if (!strcmp(byt_rt5640_dais[i].codecs->name, 1314 "i2c-10EC5640:00")) { 1315 dai_index = i; 1316 break; 1317 } 1318 } 1319 1320 /* fixup codec name based on HID */ 1321 adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1); 1322 if (adev) { 1323 snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name), 1324 "i2c-%s", acpi_dev_name(adev)); 1325 put_device(&adev->dev); 1326 byt_rt5640_dais[dai_index].codecs->name = byt_rt5640_codec_name; 1327 } 1328 1329 /* 1330 * swap SSP0 if bytcr is detected 1331 * (will be overridden if DMI quirk is detected) 1332 */ 1333 if (soc_intel_is_byt()) { 1334 if (mach->mach_params.acpi_ipc_irq_index == 0) 1335 is_bytcr = true; 1336 } 1337 1338 if (is_bytcr) { 1339 /* 1340 * Baytrail CR platforms may have CHAN package in BIOS, try 1341 * to find relevant routing quirk based as done on Windows 1342 * platforms. We have to read the information directly from the 1343 * BIOS, at this stage the card is not created and the links 1344 * with the codec driver/pdata are non-existent 1345 */ 1346 1347 struct acpi_chan_package chan_package; 1348 1349 /* format specified: 2 64-bit integers */ 1350 struct acpi_buffer format = {sizeof("NN"), "NN"}; 1351 struct acpi_buffer state = {0, NULL}; 1352 struct snd_soc_acpi_package_context pkg_ctx; 1353 bool pkg_found = false; 1354 1355 state.length = sizeof(chan_package); 1356 state.pointer = &chan_package; 1357 1358 pkg_ctx.name = "CHAN"; 1359 pkg_ctx.length = 2; 1360 pkg_ctx.format = &format; 1361 pkg_ctx.state = &state; 1362 pkg_ctx.data_valid = false; 1363 1364 pkg_found = snd_soc_acpi_find_package_from_hid(mach->id, 1365 &pkg_ctx); 1366 if (pkg_found) { 1367 if (chan_package.aif_value == 1) { 1368 dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n"); 1369 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF1; 1370 } else if (chan_package.aif_value == 2) { 1371 dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n"); 1372 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2; 1373 } else { 1374 dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n"); 1375 pkg_found = false; 1376 } 1377 } 1378 1379 if (!pkg_found) { 1380 /* no BIOS indications, assume SSP0-AIF2 connection */ 1381 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2; 1382 } 1383 1384 /* change defaults for Baytrail-CR capture */ 1385 byt_rt5640_quirk |= BYTCR_INPUT_DEFAULTS; 1386 } else { 1387 byt_rt5640_quirk |= BYT_RT5640_DMIC1_MAP | 1388 BYT_RT5640_JD_SRC_JD2_IN4N | 1389 BYT_RT5640_OVCD_TH_2000UA | 1390 BYT_RT5640_OVCD_SF_0P75; 1391 } 1392 1393 /* check quirks before creating card */ 1394 dmi_id = dmi_first_match(byt_rt5640_quirk_table); 1395 if (dmi_id) 1396 byt_rt5640_quirk = (unsigned long)dmi_id->driver_data; 1397 if (quirk_override != -1) { 1398 dev_info(&pdev->dev, "Overriding quirk 0x%lx => 0x%x\n", 1399 byt_rt5640_quirk, quirk_override); 1400 byt_rt5640_quirk = quirk_override; 1401 } 1402 1403 /* Must be called before register_card, also see declaration comment. */ 1404 ret_val = byt_rt5640_add_codec_device_props(byt_rt5640_codec_name); 1405 if (ret_val) 1406 return ret_val; 1407 1408 log_quirks(&pdev->dev); 1409 1410 if ((byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) || 1411 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) { 1412 byt_rt5640_dais[dai_index].codecs->dai_name = "rt5640-aif2"; 1413 aif = 2; 1414 } else { 1415 aif = 1; 1416 } 1417 1418 if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) || 1419 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) 1420 byt_rt5640_dais[dai_index].cpus->dai_name = "ssp0-port"; 1421 1422 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) { 1423 priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3"); 1424 if (IS_ERR(priv->mclk)) { 1425 ret_val = PTR_ERR(priv->mclk); 1426 1427 dev_err(&pdev->dev, 1428 "Failed to get MCLK from pmc_plt_clk_3: %d\n", 1429 ret_val); 1430 1431 /* 1432 * Fall back to bit clock usage for -ENOENT (clock not 1433 * available likely due to missing dependencies), bail 1434 * for all other errors, including -EPROBE_DEFER 1435 */ 1436 if (ret_val != -ENOENT) 1437 return ret_val; 1438 byt_rt5640_quirk &= ~BYT_RT5640_MCLK_EN; 1439 } 1440 } 1441 1442 if (byt_rt5640_quirk & BYT_RT5640_NO_SPEAKERS) { 1443 cfg_spk = 0; 1444 spk_type = "none"; 1445 } else if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) { 1446 cfg_spk = 1; 1447 spk_type = "mono"; 1448 } else { 1449 cfg_spk = 2; 1450 spk_type = "stereo"; 1451 } 1452 1453 snprintf(byt_rt5640_components, sizeof(byt_rt5640_components), 1454 "cfg-spk:%d cfg-mic:%s aif:%d", cfg_spk, 1455 map_name[BYT_RT5640_MAP(byt_rt5640_quirk)], aif); 1456 byt_rt5640_card.components = byt_rt5640_components; 1457 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES) 1458 snprintf(byt_rt5640_long_name, sizeof(byt_rt5640_long_name), 1459 "bytcr-rt5640-%s-spk-%s-mic", spk_type, 1460 map_name[BYT_RT5640_MAP(byt_rt5640_quirk)]); 1461 byt_rt5640_card.long_name = byt_rt5640_long_name; 1462 #endif 1463 1464 /* override plaform name, if required */ 1465 platform_name = mach->mach_params.platform; 1466 1467 ret_val = snd_soc_fixup_dai_links_platform_name(&byt_rt5640_card, 1468 platform_name); 1469 if (ret_val) 1470 return ret_val; 1471 1472 sof_parent = snd_soc_acpi_sof_parent(&pdev->dev); 1473 1474 /* set card and driver name */ 1475 if (sof_parent) { 1476 byt_rt5640_card.name = SOF_CARD_NAME; 1477 byt_rt5640_card.driver_name = SOF_DRIVER_NAME; 1478 } else { 1479 byt_rt5640_card.name = CARD_NAME; 1480 byt_rt5640_card.driver_name = DRIVER_NAME; 1481 } 1482 1483 /* set pm ops */ 1484 if (sof_parent) 1485 dev->driver->pm = &snd_soc_pm_ops; 1486 1487 ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card); 1488 1489 if (ret_val) { 1490 dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n", 1491 ret_val); 1492 return ret_val; 1493 } 1494 platform_set_drvdata(pdev, &byt_rt5640_card); 1495 return ret_val; 1496 } 1497 1498 static struct platform_driver snd_byt_rt5640_mc_driver = { 1499 .driver = { 1500 .name = "bytcr_rt5640", 1501 }, 1502 .probe = snd_byt_rt5640_mc_probe, 1503 }; 1504 1505 module_platform_driver(snd_byt_rt5640_mc_driver); 1506 1507 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver"); 1508 MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>"); 1509 MODULE_LICENSE("GPL v2"); 1510 MODULE_ALIAS("platform:bytcr_rt5640"); 1511