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bytcr_rt5640.c
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linux-6.19.14/sound/soc/intel/boards/bytcr_rt5640.c
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/device/bus.h> 21#include <linux/dmi.h> 22#include <linux/gpio/consumer.h> 23#include <linux/gpio/machine.h> 24#include <linux/input.h> 25#include <linux/slab.h> 26#include <sound/pcm.h> 27#include <sound/pcm_params.h> 28#include <sound/soc.h> 29#include <sound/jack.h> 30#include <sound/soc-acpi.h> 31#include <dt-bindings/sound/rt5640.h> 32#include "../../codecs/rt5640.h" 33#include "../atom/sst-atom-controls.h" 34#include "../common/soc-intel-quirks.h" 35 36#define BYT_RT5640_FALLBACK_CODEC_DEV_NAME "i2c-rt5640" 37 38enum { 39 BYT_RT5640_DMIC1_MAP, 40 BYT_RT5640_DMIC2_MAP, 41 BYT_RT5640_IN1_MAP, 42 BYT_RT5640_IN3_MAP, 43 BYT_RT5640_NO_INTERNAL_MIC_MAP, 44}; 45 46#define RT5640_JD_SRC_EXT_GPIO 0x0f 47 48enum { 49 BYT_RT5640_JD_SRC_GPIO1 = (RT5640_JD_SRC_GPIO1 << 4), 50 BYT_RT5640_JD_SRC_JD1_IN4P = (RT5640_JD_SRC_JD1_IN4P << 4), 51 BYT_RT5640_JD_SRC_JD2_IN4N = (RT5640_JD_SRC_JD2_IN4N << 4), 52 BYT_RT5640_JD_SRC_GPIO2 = (RT5640_JD_SRC_GPIO2 << 4), 53 BYT_RT5640_JD_SRC_GPIO3 = (RT5640_JD_SRC_GPIO3 << 4), 54 BYT_RT5640_JD_SRC_GPIO4 = (RT5640_JD_SRC_GPIO4 << 4), 55 BYT_RT5640_JD_SRC_EXT_GPIO = (RT5640_JD_SRC_EXT_GPIO << 4) 56}; 57 58enum { 59 BYT_RT5640_OVCD_TH_600UA = (6 << 8), 60 BYT_RT5640_OVCD_TH_1500UA = (15 << 8), 61 BYT_RT5640_OVCD_TH_2000UA = (20 << 8), 62}; 63 64enum { 65 BYT_RT5640_OVCD_SF_0P5 = (RT5640_OVCD_SF_0P5 << 13), 66 BYT_RT5640_OVCD_SF_0P75 = (RT5640_OVCD_SF_0P75 << 13), 67 BYT_RT5640_OVCD_SF_1P0 = (RT5640_OVCD_SF_1P0 << 13), 68 BYT_RT5640_OVCD_SF_1P5 = (RT5640_OVCD_SF_1P5 << 13), 69}; 70 71#define BYT_RT5640_MAP_MASK GENMASK(3, 0) 72#define BYT_RT5640_MAP(quirk) ((quirk) & BYT_RT5640_MAP_MASK) 73#define BYT_RT5640_JDSRC(quirk) (((quirk) & GENMASK(7, 4)) >> 4) 74#define BYT_RT5640_OVCD_TH(quirk) (((quirk) & GENMASK(12, 8)) >> 8) 75#define BYT_RT5640_OVCD_SF(quirk) (((quirk) & GENMASK(14, 13)) >> 13) 76#define BYT_RT5640_JD_NOT_INV BIT(16) 77#define BYT_RT5640_MONO_SPEAKER BIT(17) 78#define BYT_RT5640_DIFF_MIC BIT(18) /* default is single-ended */ 79#define BYT_RT5640_SSP2_AIF2 BIT(19) /* default is using AIF1 */ 80#define BYT_RT5640_SSP0_AIF1 BIT(20) 81#define BYT_RT5640_SSP0_AIF2 BIT(21) 82#define BYT_RT5640_MCLK_EN BIT(22) 83#define BYT_RT5640_MCLK_25MHZ BIT(23) 84#define BYT_RT5640_NO_SPEAKERS BIT(24) 85#define BYT_RT5640_LINEOUT BIT(25) 86#define BYT_RT5640_LINEOUT_AS_HP2 BIT(26) 87#define BYT_RT5640_HSMIC2_ON_IN1 BIT(27) 88#define BYT_RT5640_JD_HP_ELITEP_1000G2 BIT(28) 89#define BYT_RT5640_USE_AMCR0F28 BIT(29) 90#define BYT_RT5640_SWAPPED_SPEAKERS BIT(30) 91 92#define BYTCR_INPUT_DEFAULTS \ 93 (BYT_RT5640_IN3_MAP | \ 94 BYT_RT5640_JD_SRC_JD1_IN4P | \ 95 BYT_RT5640_OVCD_TH_2000UA | \ 96 BYT_RT5640_OVCD_SF_0P75 | \ 97 BYT_RT5640_DIFF_MIC) 98 99/* in-diff or dmic-pin + jdsrc + ovcd-th + -sf + jd-inv + terminating entry */ 100#define MAX_NO_PROPS 6 101 102struct byt_rt5640_private { 103 struct snd_soc_jack jack; 104 struct snd_soc_jack jack2; 105 struct rt5640_set_jack_data jack_data; 106 struct gpio_desc *hsmic_detect; 107 struct clk *mclk; 108 struct device *codec_dev; 109}; 110static bool is_bytcr; 111 112static unsigned long byt_rt5640_quirk = BYT_RT5640_MCLK_EN; 113static int quirk_override = -1; 114module_param_named(quirk, quirk_override, int, 0444); 115MODULE_PARM_DESC(quirk, "Board-specific quirk override"); 116 117static void log_quirks(struct device *dev) 118{ 119 int map; 120 bool has_mclk = false; 121 bool has_ssp0 = false; 122 bool has_ssp0_aif1 = false; 123 bool has_ssp0_aif2 = false; 124 bool has_ssp2_aif2 = false; 125 126 map = BYT_RT5640_MAP(byt_rt5640_quirk); 127 switch (map) { 128 case BYT_RT5640_DMIC1_MAP: 129 dev_info(dev, "quirk DMIC1_MAP enabled\n"); 130 break; 131 case BYT_RT5640_DMIC2_MAP: 132 dev_info(dev, "quirk DMIC2_MAP enabled\n"); 133 break; 134 case BYT_RT5640_IN1_MAP: 135 dev_info(dev, "quirk IN1_MAP enabled\n"); 136 break; 137 case BYT_RT5640_IN3_MAP: 138 dev_info(dev, "quirk IN3_MAP enabled\n"); 139 break; 140 case BYT_RT5640_NO_INTERNAL_MIC_MAP: 141 dev_info(dev, "quirk NO_INTERNAL_MIC_MAP enabled\n"); 142 break; 143 default: 144 dev_warn_once(dev, "quirk sets invalid input map: 0x%x, default to DMIC1_MAP\n", map); 145 byt_rt5640_quirk &= ~BYT_RT5640_MAP_MASK; 146 byt_rt5640_quirk |= BYT_RT5640_DMIC1_MAP; 147 break; 148 } 149 if (byt_rt5640_quirk & BYT_RT5640_HSMIC2_ON_IN1) 150 dev_info(dev, "quirk HSMIC2_ON_IN1 enabled\n"); 151 if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) { 152 dev_info(dev, "quirk realtek,jack-detect-source %ld\n", 153 BYT_RT5640_JDSRC(byt_rt5640_quirk)); 154 dev_info(dev, "quirk realtek,over-current-threshold-microamp %ld\n", 155 BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100); 156 dev_info(dev, "quirk realtek,over-current-scale-factor %ld\n", 157 BYT_RT5640_OVCD_SF(byt_rt5640_quirk)); 158 } 159 if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV) 160 dev_info(dev, "quirk JD_NOT_INV enabled\n"); 161 if (byt_rt5640_quirk & BYT_RT5640_JD_HP_ELITEP_1000G2) 162 dev_info(dev, "quirk JD_HP_ELITEPAD_1000G2 enabled\n"); 163 if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) 164 dev_info(dev, "quirk MONO_SPEAKER enabled\n"); 165 if (byt_rt5640_quirk & BYT_RT5640_NO_SPEAKERS) 166 dev_info(dev, "quirk NO_SPEAKERS enabled\n"); 167 if (byt_rt5640_quirk & BYT_RT5640_SWAPPED_SPEAKERS) 168 dev_info(dev, "quirk SWAPPED_SPEAKERS enabled\n"); 169 if (byt_rt5640_quirk & BYT_RT5640_LINEOUT) 170 dev_info(dev, "quirk LINEOUT enabled\n"); 171 if (byt_rt5640_quirk & BYT_RT5640_LINEOUT_AS_HP2) 172 dev_info(dev, "quirk LINEOUT_AS_HP2 enabled\n"); 173 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC) 174 dev_info(dev, "quirk DIFF_MIC enabled\n"); 175 if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) { 176 dev_info(dev, "quirk SSP0_AIF1 enabled\n"); 177 has_ssp0 = true; 178 has_ssp0_aif1 = true; 179 } 180 if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) { 181 dev_info(dev, "quirk SSP0_AIF2 enabled\n"); 182 has_ssp0 = true; 183 has_ssp0_aif2 = true; 184 } 185 if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) { 186 dev_info(dev, "quirk SSP2_AIF2 enabled\n"); 187 has_ssp2_aif2 = true; 188 } 189 if (is_bytcr && !has_ssp0) 190 dev_err(dev, "Invalid routing, bytcr detected but no SSP0-based quirk, audio cannot work with SSP2 on bytcr\n"); 191 if (has_ssp0_aif1 && has_ssp0_aif2) 192 dev_err(dev, "Invalid routing, SSP0 cannot be connected to both AIF1 and AIF2\n"); 193 if (has_ssp0 && has_ssp2_aif2) 194 dev_err(dev, "Invalid routing, cannot have both SSP0 and SSP2 connected to codec\n"); 195 196 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) { 197 dev_info(dev, "quirk MCLK_EN enabled\n"); 198 has_mclk = true; 199 } 200 if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) { 201 if (has_mclk) 202 dev_info(dev, "quirk MCLK_25MHZ enabled\n"); 203 else 204 dev_err(dev, "quirk MCLK_25MHZ enabled but quirk MCLK not selected, will be ignored\n"); 205 } 206} 207 208static int byt_rt5640_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai, 209 int rate) 210{ 211 int ret; 212 213 /* Configure the PLL before selecting it */ 214 if (!(byt_rt5640_quirk & BYT_RT5640_MCLK_EN)) { 215 /* use bitclock as PLL input */ 216 if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) || 217 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) { 218 /* 2x16 bit slots on SSP0 */ 219 ret = snd_soc_dai_set_pll(codec_dai, 0, 220 RT5640_PLL1_S_BCLK1, 221 rate * 32, rate * 512); 222 } else { 223 /* 2x15 bit slots on SSP2 */ 224 ret = snd_soc_dai_set_pll(codec_dai, 0, 225 RT5640_PLL1_S_BCLK1, 226 rate * 50, rate * 512); 227 } 228 } else { 229 if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) { 230 ret = snd_soc_dai_set_pll(codec_dai, 0, 231 RT5640_PLL1_S_MCLK, 232 25000000, rate * 512); 233 } else { 234 ret = snd_soc_dai_set_pll(codec_dai, 0, 235 RT5640_PLL1_S_MCLK, 236 19200000, rate * 512); 237 } 238 } 239 240 if (ret < 0) { 241 dev_err(codec_dai->component->dev, "can't set pll: %d\n", ret); 242 return ret; 243 } 244 245 ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1, 246 rate * 512, SND_SOC_CLOCK_IN); 247 if (ret < 0) { 248 dev_err(codec_dai->component->dev, "can't set clock %d\n", ret); 249 return ret; 250 } 251 252 return 0; 253} 254 255#define BYT_CODEC_DAI1 "rt5640-aif1" 256#define BYT_CODEC_DAI2 "rt5640-aif2" 257 258static struct snd_soc_dai *byt_rt5640_get_codec_dai(struct snd_soc_dapm_context *dapm) 259{ 260 struct snd_soc_card *card = snd_soc_dapm_to_card(dapm); 261 struct snd_soc_dai *codec_dai; 262 263 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI1); 264 if (!codec_dai) 265 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI2); 266 if (!codec_dai) 267 dev_err(card->dev, "Error codec dai not found\n"); 268 269 return codec_dai; 270} 271 272static int platform_clock_control(struct snd_soc_dapm_widget *w, 273 struct snd_kcontrol *k, int event) 274{ 275 struct snd_soc_dapm_context *dapm = w->dapm; 276 struct snd_soc_card *card = snd_soc_dapm_to_card(dapm); 277 struct snd_soc_dai *codec_dai; 278 struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card); 279 int ret; 280 281 codec_dai = byt_rt5640_get_codec_dai(dapm); 282 if (!codec_dai) 283 return -EIO; 284 285 if (SND_SOC_DAPM_EVENT_ON(event)) { 286 ret = clk_prepare_enable(priv->mclk); 287 if (ret < 0) { 288 dev_err(card->dev, "could not configure MCLK state\n"); 289 return ret; 290 } 291 ret = byt_rt5640_prepare_and_enable_pll1(codec_dai, 48000); 292 } else { 293 /* 294 * Set codec clock source to internal clock before 295 * turning off the platform clock. Codec needs clock 296 * for Jack detection and button press 297 */ 298 ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_RCCLK, 299 48000 * 512, 300 SND_SOC_CLOCK_IN); 301 if (!ret) 302 clk_disable_unprepare(priv->mclk); 303 } 304 305 if (ret < 0) { 306 dev_err(card->dev, "can't set codec sysclk: %d\n", ret); 307 return ret; 308 } 309 310 return 0; 311} 312 313static int byt_rt5640_event_lineout(struct snd_soc_dapm_widget *w, 314 struct snd_kcontrol *k, int event) 315{ 316 unsigned int gpio_ctrl3_val = RT5640_GP1_PF_OUT; 317 struct snd_soc_dai *codec_dai; 318 319 if (!(byt_rt5640_quirk & BYT_RT5640_LINEOUT_AS_HP2)) 320 return 0; 321 322 /* 323 * On devices which use line-out as a second headphones output, 324 * the codec's GPIO1 pin is used to enable an external HP-amp. 325 */ 326 327 codec_dai = byt_rt5640_get_codec_dai(w->dapm); 328 if (!codec_dai) 329 return -EIO; 330 331 if (SND_SOC_DAPM_EVENT_ON(event)) 332 gpio_ctrl3_val |= RT5640_GP1_OUT_HI; 333 334 snd_soc_component_update_bits(codec_dai->component, RT5640_GPIO_CTRL3, 335 RT5640_GP1_PF_MASK | RT5640_GP1_OUT_MASK, gpio_ctrl3_val); 336 337 return 0; 338} 339 340static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = { 341 SND_SOC_DAPM_HP("Headphone", NULL), 342 SND_SOC_DAPM_MIC("Headset Mic", NULL), 343 SND_SOC_DAPM_MIC("Headset Mic 2", NULL), 344 SND_SOC_DAPM_MIC("Internal Mic", NULL), 345 SND_SOC_DAPM_SPK("Speaker", NULL), 346 SND_SOC_DAPM_LINE("Line Out", byt_rt5640_event_lineout), 347 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, 348 platform_clock_control, SND_SOC_DAPM_PRE_PMU | 349 SND_SOC_DAPM_POST_PMD), 350}; 351 352static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = { 353 {"Headphone", NULL, "Platform Clock"}, 354 {"Headset Mic", NULL, "Platform Clock"}, 355 {"Headset Mic", NULL, "MICBIAS1"}, 356 {"IN2P", NULL, "Headset Mic"}, 357 {"Headphone", NULL, "HPOL"}, 358 {"Headphone", NULL, "HPOR"}, 359}; 360 361static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = { 362 {"Internal Mic", NULL, "Platform Clock"}, 363 {"DMIC1", NULL, "Internal Mic"}, 364}; 365 366static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = { 367 {"Internal Mic", NULL, "Platform Clock"}, 368 {"DMIC2", NULL, "Internal Mic"}, 369}; 370 371static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = { 372 {"Internal Mic", NULL, "Platform Clock"}, 373 {"Internal Mic", NULL, "MICBIAS1"}, 374 {"IN1P", NULL, "Internal Mic"}, 375}; 376 377static const struct snd_soc_dapm_route byt_rt5640_intmic_in3_map[] = { 378 {"Internal Mic", NULL, "Platform Clock"}, 379 {"Internal Mic", NULL, "MICBIAS1"}, 380 {"IN3P", NULL, "Internal Mic"}, 381}; 382 383static const struct snd_soc_dapm_route byt_rt5640_hsmic2_in1_map[] = { 384 {"Headset Mic 2", NULL, "Platform Clock"}, 385 {"Headset Mic 2", NULL, "MICBIAS1"}, 386 {"IN1P", NULL, "Headset Mic 2"}, 387}; 388 389static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif1_map[] = { 390 {"ssp2 Tx", NULL, "codec_out0"}, 391 {"ssp2 Tx", NULL, "codec_out1"}, 392 {"codec_in0", NULL, "ssp2 Rx"}, 393 {"codec_in1", NULL, "ssp2 Rx"}, 394 395 {"AIF1 Playback", NULL, "ssp2 Tx"}, 396 {"ssp2 Rx", NULL, "AIF1 Capture"}, 397}; 398 399static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif2_map[] = { 400 {"ssp2 Tx", NULL, "codec_out0"}, 401 {"ssp2 Tx", NULL, "codec_out1"}, 402 {"codec_in0", NULL, "ssp2 Rx"}, 403 {"codec_in1", NULL, "ssp2 Rx"}, 404 405 {"AIF2 Playback", NULL, "ssp2 Tx"}, 406 {"ssp2 Rx", NULL, "AIF2 Capture"}, 407}; 408 409static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif1_map[] = { 410 {"ssp0 Tx", NULL, "modem_out"}, 411 {"modem_in", NULL, "ssp0 Rx"}, 412 413 {"AIF1 Playback", NULL, "ssp0 Tx"}, 414 {"ssp0 Rx", NULL, "AIF1 Capture"}, 415}; 416 417static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif2_map[] = { 418 {"ssp0 Tx", NULL, "modem_out"}, 419 {"modem_in", NULL, "ssp0 Rx"}, 420 421 {"AIF2 Playback", NULL, "ssp0 Tx"}, 422 {"ssp0 Rx", NULL, "AIF2 Capture"}, 423}; 424 425static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map[] = { 426 {"Speaker", NULL, "Platform Clock"}, 427 {"Speaker", NULL, "SPOLP"}, 428 {"Speaker", NULL, "SPOLN"}, 429 {"Speaker", NULL, "SPORP"}, 430 {"Speaker", NULL, "SPORN"}, 431}; 432 433static const struct snd_soc_dapm_route byt_rt5640_mono_spk_map[] = { 434 {"Speaker", NULL, "Platform Clock"}, 435 {"Speaker", NULL, "SPOLP"}, 436 {"Speaker", NULL, "SPOLN"}, 437}; 438 439static const struct snd_soc_dapm_route byt_rt5640_lineout_map[] = { 440 {"Line Out", NULL, "Platform Clock"}, 441 {"Line Out", NULL, "LOUTR"}, 442 {"Line Out", NULL, "LOUTL"}, 443}; 444 445static const struct snd_kcontrol_new byt_rt5640_controls[] = { 446 SOC_DAPM_PIN_SWITCH("Headphone"), 447 SOC_DAPM_PIN_SWITCH("Headset Mic"), 448 SOC_DAPM_PIN_SWITCH("Headset Mic 2"), 449 SOC_DAPM_PIN_SWITCH("Internal Mic"), 450 SOC_DAPM_PIN_SWITCH("Speaker"), 451 SOC_DAPM_PIN_SWITCH("Line Out"), 452}; 453 454static struct snd_soc_jack_pin rt5640_pins[] = { 455 { 456 .pin = "Headphone", 457 .mask = SND_JACK_HEADPHONE, 458 }, 459 { 460 .pin = "Headset Mic", 461 .mask = SND_JACK_MICROPHONE, 462 }, 463}; 464 465static struct snd_soc_jack_pin rt5640_pins2[] = { 466 { 467 /* The 2nd headset jack uses lineout with an external HP-amp */ 468 .pin = "Line Out", 469 .mask = SND_JACK_HEADPHONE, 470 }, 471 { 472 .pin = "Headset Mic 2", 473 .mask = SND_JACK_MICROPHONE, 474 }, 475}; 476 477static struct snd_soc_jack_gpio rt5640_jack_gpio = { 478 .name = "hp-detect", 479 .report = SND_JACK_HEADSET, 480 .invert = true, 481 .debounce_time = 200, 482}; 483 484static struct snd_soc_jack_gpio rt5640_jack2_gpio = { 485 .name = "hp2-detect", 486 .report = SND_JACK_HEADSET, 487 .invert = true, 488 .debounce_time = 200, 489}; 490 491static const struct acpi_gpio_params acpi_gpio0 = { 0, 0, false }; 492static const struct acpi_gpio_params acpi_gpio1 = { 1, 0, false }; 493static const struct acpi_gpio_params acpi_gpio2 = { 2, 0, false }; 494 495static const struct acpi_gpio_mapping byt_rt5640_hp_elitepad_1000g2_gpios[] = { 496 { "hp-detect-gpios", &acpi_gpio0, 1, }, 497 { "headset-mic-detect-gpios", &acpi_gpio1, 1, }, 498 { "hp2-detect-gpios", &acpi_gpio2, 1, }, 499 { }, 500}; 501 502static int byt_rt5640_hp_elitepad_1000g2_jack1_check(void *data) 503{ 504 struct byt_rt5640_private *priv = data; 505 int jack_status, mic_status; 506 507 jack_status = gpiod_get_value_cansleep(rt5640_jack_gpio.desc); 508 if (jack_status) 509 return 0; 510 511 mic_status = gpiod_get_value_cansleep(priv->hsmic_detect); 512 if (mic_status) 513 return SND_JACK_HEADPHONE; 514 else 515 return SND_JACK_HEADSET; 516} 517 518static int byt_rt5640_hp_elitepad_1000g2_jack2_check(void *data) 519{ 520 struct snd_soc_component *component = data; 521 int jack_status, report; 522 523 jack_status = gpiod_get_value_cansleep(rt5640_jack2_gpio.desc); 524 if (jack_status) 525 return 0; 526 527 rt5640_enable_micbias1_for_ovcd(component); 528 report = rt5640_detect_headset(component, rt5640_jack2_gpio.desc); 529 rt5640_disable_micbias1_for_ovcd(component); 530 531 return report; 532} 533 534static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream *substream, 535 struct snd_pcm_hw_params *params) 536{ 537 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 538 struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0); 539 540 return byt_rt5640_prepare_and_enable_pll1(dai, params_rate(params)); 541} 542 543/* Please keep this list alphabetically sorted */ 544static const struct dmi_system_id byt_rt5640_quirk_table[] = { 545 { /* Acer Iconia One 7 B1-750 */ 546 .matches = { 547 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"), 548 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "VESPA2"), 549 }, 550 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 551 BYT_RT5640_JD_SRC_JD1_IN4P | 552 BYT_RT5640_OVCD_TH_1500UA | 553 BYT_RT5640_OVCD_SF_0P75 | 554 BYT_RT5640_SSP0_AIF1 | 555 BYT_RT5640_MCLK_EN), 556 }, 557 { /* Acer Iconia Tab 8 W1-810 */ 558 .matches = { 559 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"), 560 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Iconia W1-810"), 561 }, 562 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 563 BYT_RT5640_JD_SRC_JD1_IN4P | 564 BYT_RT5640_OVCD_TH_1500UA | 565 BYT_RT5640_OVCD_SF_0P75 | 566 BYT_RT5640_SSP0_AIF1 | 567 BYT_RT5640_MCLK_EN), 568 }, 569 { /* Acer One 10 S1002 */ 570 .matches = { 571 DMI_MATCH(DMI_SYS_VENDOR, "Acer"), 572 DMI_MATCH(DMI_PRODUCT_NAME, "One S1002"), 573 }, 574 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 575 BYT_RT5640_JD_SRC_JD2_IN4N | 576 BYT_RT5640_OVCD_TH_2000UA | 577 BYT_RT5640_OVCD_SF_0P75 | 578 BYT_RT5640_DIFF_MIC | 579 BYT_RT5640_SSP0_AIF2 | 580 BYT_RT5640_MCLK_EN), 581 }, 582 { /* Acer Aspire SW3-013 */ 583 .matches = { 584 DMI_MATCH(DMI_SYS_VENDOR, "Acer"), 585 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW3-013"), 586 }, 587 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 588 BYT_RT5640_JD_SRC_JD2_IN4N | 589 BYT_RT5640_OVCD_TH_2000UA | 590 BYT_RT5640_OVCD_SF_0P75 | 591 BYT_RT5640_DIFF_MIC | 592 BYT_RT5640_SSP0_AIF1 | 593 BYT_RT5640_MCLK_EN), 594 }, 595 { 596 .matches = { 597 DMI_MATCH(DMI_SYS_VENDOR, "Acer"), 598 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"), 599 }, 600 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 601 BYT_RT5640_JD_SRC_JD2_IN4N | 602 BYT_RT5640_OVCD_TH_2000UA | 603 BYT_RT5640_OVCD_SF_0P75 | 604 BYT_RT5640_SSP0_AIF1 | 605 BYT_RT5640_MCLK_EN), 606 }, 607 { 608 /* Advantech MICA-071 */ 609 .matches = { 610 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Advantech"), 611 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MICA-071"), 612 }, 613 /* OVCD Th = 1500uA to reliable detect head-phones vs -set */ 614 .driver_data = (void *)(BYT_RT5640_IN3_MAP | 615 BYT_RT5640_JD_SRC_JD2_IN4N | 616 BYT_RT5640_OVCD_TH_1500UA | 617 BYT_RT5640_OVCD_SF_0P75 | 618 BYT_RT5640_MONO_SPEAKER | 619 BYT_RT5640_DIFF_MIC | 620 BYT_RT5640_MCLK_EN), 621 }, 622 { 623 .matches = { 624 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"), 625 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 80 Cesium"), 626 }, 627 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 628 BYT_RT5640_MONO_SPEAKER | 629 BYT_RT5640_SSP0_AIF1 | 630 BYT_RT5640_MCLK_EN), 631 }, 632 { 633 .matches = { 634 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"), 635 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 101 CESIUM"), 636 }, 637 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 638 BYT_RT5640_JD_NOT_INV | 639 BYT_RT5640_DIFF_MIC | 640 BYT_RT5640_SSP0_AIF1 | 641 BYT_RT5640_MCLK_EN), 642 }, 643 { 644 .matches = { 645 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"), 646 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 140 CESIUM"), 647 }, 648 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 649 BYT_RT5640_JD_SRC_JD2_IN4N | 650 BYT_RT5640_OVCD_TH_2000UA | 651 BYT_RT5640_OVCD_SF_0P75 | 652 BYT_RT5640_SSP0_AIF1 | 653 BYT_RT5640_MCLK_EN), 654 }, 655 { 656 .matches = { 657 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 658 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ME176C"), 659 }, 660 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 661 BYT_RT5640_JD_SRC_JD2_IN4N | 662 BYT_RT5640_OVCD_TH_2000UA | 663 BYT_RT5640_OVCD_SF_0P75 | 664 BYT_RT5640_SSP0_AIF1 | 665 BYT_RT5640_MCLK_EN | 666 BYT_RT5640_USE_AMCR0F28), 667 }, 668 { 669 /* Asus T100TAF, unlike other T100TA* models this one has a mono speaker */ 670 .matches = { 671 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 672 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TAF"), 673 }, 674 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 675 BYT_RT5640_JD_SRC_JD2_IN4N | 676 BYT_RT5640_OVCD_TH_2000UA | 677 BYT_RT5640_OVCD_SF_0P75 | 678 BYT_RT5640_MONO_SPEAKER | 679 BYT_RT5640_DIFF_MIC | 680 BYT_RT5640_SSP0_AIF2 | 681 BYT_RT5640_MCLK_EN), 682 }, 683 { 684 /* Asus T100TA and T100TAM, must come after T100TAF (mono spk) match */ 685 .matches = { 686 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 687 DMI_MATCH(DMI_PRODUCT_NAME, "T100TA"), 688 }, 689 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 690 BYT_RT5640_JD_SRC_JD2_IN4N | 691 BYT_RT5640_OVCD_TH_2000UA | 692 BYT_RT5640_OVCD_SF_0P75 | 693 BYT_RT5640_MCLK_EN), 694 }, 695 { 696 .matches = { 697 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 698 DMI_MATCH(DMI_PRODUCT_NAME, "TF103C"), 699 }, 700 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 701 BYT_RT5640_JD_SRC_EXT_GPIO | 702 BYT_RT5640_OVCD_TH_2000UA | 703 BYT_RT5640_OVCD_SF_0P75 | 704 BYT_RT5640_SSP0_AIF1 | 705 BYT_RT5640_MCLK_EN | 706 BYT_RT5640_USE_AMCR0F28), 707 }, 708 { /* Chuwi Vi8 (CWI506) */ 709 .matches = { 710 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"), 711 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "i86"), 712 /* The above are too generic, also match BIOS info */ 713 DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"), 714 }, 715 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 716 BYT_RT5640_MONO_SPEAKER | 717 BYT_RT5640_SSP0_AIF1 | 718 BYT_RT5640_MCLK_EN), 719 }, 720 { /* Chuwi Vi8 dual-boot (CWI506) */ 721 .matches = { 722 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"), 723 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "i86"), 724 /* The above are too generic, also match BIOS info */ 725 DMI_MATCH(DMI_BIOS_VERSION, "CHUWI2.D86JHBNR02"), 726 }, 727 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 728 BYT_RT5640_MONO_SPEAKER | 729 BYT_RT5640_SSP0_AIF1 | 730 BYT_RT5640_MCLK_EN), 731 }, 732 { 733 /* Chuwi Vi10 (CWI505) */ 734 .matches = { 735 DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"), 736 DMI_MATCH(DMI_BOARD_NAME, "BYT-PF02"), 737 DMI_MATCH(DMI_SYS_VENDOR, "ilife"), 738 DMI_MATCH(DMI_PRODUCT_NAME, "S165"), 739 }, 740 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 741 BYT_RT5640_JD_SRC_JD2_IN4N | 742 BYT_RT5640_OVCD_TH_2000UA | 743 BYT_RT5640_OVCD_SF_0P75 | 744 BYT_RT5640_DIFF_MIC | 745 BYT_RT5640_SSP0_AIF1 | 746 BYT_RT5640_MCLK_EN), 747 }, 748 { 749 /* Chuwi Hi8 (CWI509) */ 750 .matches = { 751 DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"), 752 DMI_MATCH(DMI_BOARD_NAME, "BYT-PA03C"), 753 DMI_MATCH(DMI_SYS_VENDOR, "ilife"), 754 DMI_MATCH(DMI_PRODUCT_NAME, "S806"), 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_MONO_SPEAKER | 761 BYT_RT5640_DIFF_MIC | 762 BYT_RT5640_SSP0_AIF1 | 763 BYT_RT5640_MCLK_EN), 764 }, 765 { 766 .matches = { 767 DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"), 768 DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"), 769 }, 770 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP), 771 }, 772 { /* Connect Tablet 9 */ 773 .matches = { 774 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Connect"), 775 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Tablet 9"), 776 }, 777 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 778 BYT_RT5640_MONO_SPEAKER | 779 BYT_RT5640_SSP0_AIF1 | 780 BYT_RT5640_MCLK_EN), 781 }, 782 { 783 .matches = { 784 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 785 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"), 786 }, 787 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 788 BYT_RT5640_JD_SRC_JD2_IN4N | 789 BYT_RT5640_OVCD_TH_2000UA | 790 BYT_RT5640_OVCD_SF_0P75 | 791 BYT_RT5640_MONO_SPEAKER | 792 BYT_RT5640_MCLK_EN), 793 }, 794 { /* Estar Beauty HD MID 7316R */ 795 .matches = { 796 DMI_MATCH(DMI_SYS_VENDOR, "Estar"), 797 DMI_MATCH(DMI_PRODUCT_NAME, "eSTAR BEAUTY HD Intel Quad core"), 798 }, 799 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 800 BYT_RT5640_MONO_SPEAKER | 801 BYT_RT5640_SSP0_AIF1 | 802 BYT_RT5640_MCLK_EN), 803 }, 804 { /* Glavey TM800A550L */ 805 .matches = { 806 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 807 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 808 /* Above strings are too generic, also match on BIOS version */ 809 DMI_MATCH(DMI_BIOS_VERSION, "ZY-8-BI-PX4S70VTR400-X423B-005-D"), 810 }, 811 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 812 BYT_RT5640_SSP0_AIF1 | 813 BYT_RT5640_MCLK_EN), 814 }, 815 { 816 .matches = { 817 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), 818 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP ElitePad 1000 G2"), 819 }, 820 .driver_data = (void *)(BYT_RT5640_DMIC2_MAP | 821 BYT_RT5640_MCLK_EN | 822 BYT_RT5640_LINEOUT | 823 BYT_RT5640_LINEOUT_AS_HP2 | 824 BYT_RT5640_HSMIC2_ON_IN1 | 825 BYT_RT5640_JD_HP_ELITEP_1000G2), 826 }, 827 { /* HP Pavilion x2 10-k0XX, 10-n0XX */ 828 .matches = { 829 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), 830 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"), 831 }, 832 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 833 BYT_RT5640_JD_SRC_JD2_IN4N | 834 BYT_RT5640_OVCD_TH_1500UA | 835 BYT_RT5640_OVCD_SF_0P75 | 836 BYT_RT5640_SSP0_AIF1 | 837 BYT_RT5640_MCLK_EN), 838 }, 839 { /* HP Pavilion x2 10-p0XX */ 840 .matches = { 841 DMI_MATCH(DMI_SYS_VENDOR, "HP"), 842 DMI_MATCH(DMI_PRODUCT_NAME, "HP x2 Detachable 10-p0XX"), 843 }, 844 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 845 BYT_RT5640_JD_SRC_JD1_IN4P | 846 BYT_RT5640_OVCD_TH_2000UA | 847 BYT_RT5640_OVCD_SF_0P75 | 848 BYT_RT5640_MCLK_EN), 849 }, 850 { /* HP Pro Tablet 408 */ 851 .matches = { 852 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), 853 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pro Tablet 408"), 854 }, 855 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 856 BYT_RT5640_JD_SRC_JD2_IN4N | 857 BYT_RT5640_OVCD_TH_1500UA | 858 BYT_RT5640_OVCD_SF_0P75 | 859 BYT_RT5640_SSP0_AIF1 | 860 BYT_RT5640_MCLK_EN), 861 }, 862 { /* HP Stream 7 */ 863 .matches = { 864 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), 865 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP Stream 7 Tablet"), 866 }, 867 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 868 BYT_RT5640_MONO_SPEAKER | 869 BYT_RT5640_JD_NOT_INV | 870 BYT_RT5640_SSP0_AIF1 | 871 BYT_RT5640_MCLK_EN), 872 }, 873 { /* HP Stream 8 */ 874 .matches = { 875 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), 876 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP Stream 8 Tablet"), 877 }, 878 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 879 BYT_RT5640_JD_NOT_INV | 880 BYT_RT5640_SSP0_AIF1 | 881 BYT_RT5640_MCLK_EN), 882 }, 883 { /* I.T.Works TW891 */ 884 .matches = { 885 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."), 886 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"), 887 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), 888 DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"), 889 }, 890 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 891 BYT_RT5640_MONO_SPEAKER | 892 BYT_RT5640_SSP0_AIF1 | 893 BYT_RT5640_MCLK_EN), 894 }, 895 { /* Lamina I8270 / T701BR.SE */ 896 .matches = { 897 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Lamina"), 898 DMI_EXACT_MATCH(DMI_BOARD_NAME, "T701BR.SE"), 899 }, 900 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 901 BYT_RT5640_MONO_SPEAKER | 902 BYT_RT5640_JD_NOT_INV | 903 BYT_RT5640_SSP0_AIF1 | 904 BYT_RT5640_MCLK_EN), 905 }, 906 { /* Lenovo Miix 2 8 */ 907 .matches = { 908 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 909 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "20326"), 910 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Hiking"), 911 }, 912 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 913 BYT_RT5640_JD_SRC_JD2_IN4N | 914 BYT_RT5640_OVCD_TH_2000UA | 915 BYT_RT5640_OVCD_SF_0P75 | 916 BYT_RT5640_MONO_SPEAKER | 917 BYT_RT5640_MCLK_EN), 918 }, 919 { /* Lenovo Miix 3-830 */ 920 .matches = { 921 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), 922 DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 3-830"), 923 }, 924 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 925 BYT_RT5640_JD_SRC_JD2_IN4N | 926 BYT_RT5640_OVCD_TH_2000UA | 927 BYT_RT5640_OVCD_SF_0P75 | 928 BYT_RT5640_MONO_SPEAKER | 929 BYT_RT5640_DIFF_MIC | 930 BYT_RT5640_SSP0_AIF1 | 931 BYT_RT5640_MCLK_EN), 932 }, 933 { /* Linx Linx7 tablet */ 934 .matches = { 935 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LINX"), 936 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LINX7"), 937 }, 938 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 939 BYT_RT5640_MONO_SPEAKER | 940 BYT_RT5640_JD_NOT_INV | 941 BYT_RT5640_SSP0_AIF1 | 942 BYT_RT5640_MCLK_EN), 943 }, 944 { 945 /* Medion Lifetab S10346 */ 946 .matches = { 947 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 948 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 949 /* Above strings are much too generic, also match on BIOS date */ 950 DMI_MATCH(DMI_BIOS_DATE, "10/22/2015"), 951 }, 952 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 953 BYT_RT5640_SWAPPED_SPEAKERS | 954 BYT_RT5640_SSP0_AIF1 | 955 BYT_RT5640_MCLK_EN), 956 }, 957 { /* Mele PCG03 Mini PC */ 958 .matches = { 959 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Mini PC"), 960 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Mini PC"), 961 }, 962 .driver_data = (void *)(BYT_RT5640_NO_INTERNAL_MIC_MAP | 963 BYT_RT5640_NO_SPEAKERS | 964 BYT_RT5640_SSP0_AIF1), 965 }, 966 { /* MPMAN Converter 9, similar hw as the I.T.Works TW891 2-in-1 */ 967 .matches = { 968 DMI_MATCH(DMI_SYS_VENDOR, "MPMAN"), 969 DMI_MATCH(DMI_PRODUCT_NAME, "Converter9"), 970 }, 971 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 972 BYT_RT5640_MONO_SPEAKER | 973 BYT_RT5640_SSP0_AIF1 | 974 BYT_RT5640_MCLK_EN), 975 }, 976 { 977 /* MPMAN MPWIN895CL */ 978 .matches = { 979 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "MPMAN"), 980 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MPWIN8900CL"), 981 }, 982 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 983 BYT_RT5640_MONO_SPEAKER | 984 BYT_RT5640_SSP0_AIF1 | 985 BYT_RT5640_MCLK_EN), 986 }, 987 { /* MSI S100 tablet */ 988 .matches = { 989 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Micro-Star International Co., Ltd."), 990 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "S100"), 991 }, 992 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 993 BYT_RT5640_JD_SRC_JD2_IN4N | 994 BYT_RT5640_OVCD_TH_2000UA | 995 BYT_RT5640_OVCD_SF_0P75 | 996 BYT_RT5640_MONO_SPEAKER | 997 BYT_RT5640_DIFF_MIC | 998 BYT_RT5640_MCLK_EN), 999 }, 1000 { /* Nuvison/TMax TM800W560 */ 1001 .matches = { 1002 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TMAX"), 1003 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TM800W560L"), 1004 }, 1005 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 1006 BYT_RT5640_JD_SRC_JD2_IN4N | 1007 BYT_RT5640_OVCD_TH_2000UA | 1008 BYT_RT5640_OVCD_SF_0P75 | 1009 BYT_RT5640_JD_NOT_INV | 1010 BYT_RT5640_DIFF_MIC | 1011 BYT_RT5640_SSP0_AIF1 | 1012 BYT_RT5640_MCLK_EN), 1013 }, 1014 { /* Onda v975w */ 1015 .matches = { 1016 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 1017 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 1018 /* The above are too generic, also match BIOS info */ 1019 DMI_EXACT_MATCH(DMI_BIOS_VERSION, "5.6.5"), 1020 DMI_EXACT_MATCH(DMI_BIOS_DATE, "07/25/2014"), 1021 }, 1022 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 1023 BYT_RT5640_JD_SRC_JD2_IN4N | 1024 BYT_RT5640_OVCD_TH_2000UA | 1025 BYT_RT5640_OVCD_SF_0P75 | 1026 BYT_RT5640_DIFF_MIC | 1027 BYT_RT5640_MCLK_EN), 1028 }, 1029 { /* Pipo W4 */ 1030 .matches = { 1031 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 1032 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 1033 /* The above are too generic, also match BIOS info */ 1034 DMI_MATCH(DMI_BIOS_VERSION, "V8L_WIN32_CHIPHD"), 1035 }, 1036 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 1037 BYT_RT5640_MONO_SPEAKER | 1038 BYT_RT5640_SSP0_AIF1 | 1039 BYT_RT5640_MCLK_EN), 1040 }, 1041 { /* Point of View Mobii TAB-P800W (V2.0) */ 1042 .matches = { 1043 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 1044 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 1045 /* The above are too generic, also match BIOS info */ 1046 DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1014"), 1047 DMI_EXACT_MATCH(DMI_BIOS_DATE, "10/24/2014"), 1048 }, 1049 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 1050 BYT_RT5640_JD_SRC_JD2_IN4N | 1051 BYT_RT5640_OVCD_TH_2000UA | 1052 BYT_RT5640_OVCD_SF_0P75 | 1053 BYT_RT5640_MONO_SPEAKER | 1054 BYT_RT5640_DIFF_MIC | 1055 BYT_RT5640_SSP0_AIF2 | 1056 BYT_RT5640_MCLK_EN), 1057 }, 1058 { /* Point of View Mobii TAB-P800W (V2.1) */ 1059 .matches = { 1060 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 1061 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 1062 /* The above are too generic, also match BIOS info */ 1063 DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1013"), 1064 DMI_EXACT_MATCH(DMI_BIOS_DATE, "08/22/2014"), 1065 }, 1066 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 1067 BYT_RT5640_JD_SRC_JD2_IN4N | 1068 BYT_RT5640_OVCD_TH_2000UA | 1069 BYT_RT5640_OVCD_SF_0P75 | 1070 BYT_RT5640_MONO_SPEAKER | 1071 BYT_RT5640_DIFF_MIC | 1072 BYT_RT5640_SSP0_AIF2 | 1073 BYT_RT5640_MCLK_EN), 1074 }, 1075 { /* Point of View Mobii TAB-P1005W-232 (V2.0) */ 1076 .matches = { 1077 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "POV"), 1078 DMI_EXACT_MATCH(DMI_BOARD_NAME, "I102A"), 1079 }, 1080 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 1081 BYT_RT5640_JD_SRC_JD2_IN4N | 1082 BYT_RT5640_OVCD_TH_2000UA | 1083 BYT_RT5640_OVCD_SF_0P75 | 1084 BYT_RT5640_DIFF_MIC | 1085 BYT_RT5640_SSP0_AIF1 | 1086 BYT_RT5640_MCLK_EN), 1087 }, 1088 { 1089 /* Prowise PT301 */ 1090 .matches = { 1091 DMI_MATCH(DMI_SYS_VENDOR, "Prowise"), 1092 DMI_MATCH(DMI_PRODUCT_NAME, "PT301"), 1093 }, 1094 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 1095 BYT_RT5640_JD_SRC_JD2_IN4N | 1096 BYT_RT5640_OVCD_TH_2000UA | 1097 BYT_RT5640_OVCD_SF_0P75 | 1098 BYT_RT5640_DIFF_MIC | 1099 BYT_RT5640_SSP0_AIF1 | 1100 BYT_RT5640_MCLK_EN), 1101 }, 1102 { 1103 /* Teclast X89 */ 1104 .matches = { 1105 DMI_MATCH(DMI_BOARD_VENDOR, "TECLAST"), 1106 DMI_MATCH(DMI_BOARD_NAME, "tPAD"), 1107 }, 1108 .driver_data = (void *)(BYT_RT5640_IN3_MAP | 1109 BYT_RT5640_JD_SRC_JD1_IN4P | 1110 BYT_RT5640_OVCD_TH_2000UA | 1111 BYT_RT5640_OVCD_SF_1P0 | 1112 BYT_RT5640_SSP0_AIF1 | 1113 BYT_RT5640_MCLK_EN), 1114 }, 1115 { /* Toshiba Satellite Click Mini L9W-B */ 1116 .matches = { 1117 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 1118 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SATELLITE Click Mini L9W-B"), 1119 }, 1120 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 1121 BYT_RT5640_JD_SRC_JD2_IN4N | 1122 BYT_RT5640_OVCD_TH_1500UA | 1123 BYT_RT5640_OVCD_SF_0P75 | 1124 BYT_RT5640_SSP0_AIF1 | 1125 BYT_RT5640_MCLK_EN), 1126 }, 1127 { /* Toshiba Encore WT8-A */ 1128 .matches = { 1129 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 1130 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TOSHIBA WT8-A"), 1131 }, 1132 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 1133 BYT_RT5640_JD_SRC_JD2_IN4N | 1134 BYT_RT5640_OVCD_TH_2000UA | 1135 BYT_RT5640_OVCD_SF_0P75 | 1136 BYT_RT5640_JD_NOT_INV | 1137 BYT_RT5640_MCLK_EN), 1138 }, 1139 { /* Toshiba Encore WT10-A */ 1140 .matches = { 1141 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 1142 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TOSHIBA WT10-A-103"), 1143 }, 1144 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP | 1145 BYT_RT5640_JD_SRC_JD1_IN4P | 1146 BYT_RT5640_OVCD_TH_2000UA | 1147 BYT_RT5640_OVCD_SF_0P75 | 1148 BYT_RT5640_SSP0_AIF2 | 1149 BYT_RT5640_MCLK_EN), 1150 }, 1151 { 1152 /* Vexia Edu Atla 10 tablet 5V version */ 1153 .matches = { 1154 /* Having all 3 of these not set is somewhat unique */ 1155 DMI_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."), 1156 DMI_MATCH(DMI_PRODUCT_NAME, "To be filled by O.E.M."), 1157 DMI_MATCH(DMI_BOARD_NAME, "To be filled by O.E.M."), 1158 /* Above strings are too generic, also match on BIOS date */ 1159 DMI_MATCH(DMI_BIOS_DATE, "05/14/2015"), 1160 }, 1161 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 1162 BYT_RT5640_JD_NOT_INV | 1163 BYT_RT5640_SSP0_AIF1 | 1164 BYT_RT5640_MCLK_EN), 1165 }, 1166 { /* Vexia Edu Atla 10 tablet 9V version */ 1167 .matches = { 1168 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 1169 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 1170 /* Above strings are too generic, also match on BIOS date */ 1171 DMI_MATCH(DMI_BIOS_DATE, "08/25/2014"), 1172 }, 1173 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 1174 BYT_RT5640_JD_SRC_JD2_IN4N | 1175 BYT_RT5640_OVCD_TH_2000UA | 1176 BYT_RT5640_OVCD_SF_0P75 | 1177 BYT_RT5640_DIFF_MIC | 1178 BYT_RT5640_SSP0_AIF2 | 1179 BYT_RT5640_MCLK_EN), 1180 }, 1181 { /* Voyo Winpad A15 */ 1182 .matches = { 1183 DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 1184 DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 1185 /* Above strings are too generic, also match on BIOS date */ 1186 DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"), 1187 }, 1188 .driver_data = (void *)(BYT_RT5640_IN1_MAP | 1189 BYT_RT5640_JD_SRC_JD2_IN4N | 1190 BYT_RT5640_OVCD_TH_2000UA | 1191 BYT_RT5640_OVCD_SF_0P75 | 1192 BYT_RT5640_DIFF_MIC | 1193 BYT_RT5640_MCLK_EN), 1194 }, 1195 { /* Catch-all for generic Insyde tablets, must be last */ 1196 .matches = { 1197 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), 1198 }, 1199 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | 1200 BYT_RT5640_MCLK_EN | 1201 BYT_RT5640_SSP0_AIF1), 1202 1203 }, 1204 {} 1205}; 1206 1207/* 1208 * Note this MUST be called before snd_soc_register_card(), so that the props 1209 * are in place before the codec component driver's probe function parses them. 1210 */ 1211static int byt_rt5640_add_codec_device_props(struct device *i2c_dev, 1212 struct byt_rt5640_private *priv) 1213{ 1214 struct property_entry props[MAX_NO_PROPS] = {}; 1215 struct fwnode_handle *fwnode; 1216 int cnt = 0; 1217 int ret; 1218 1219 switch (BYT_RT5640_MAP(byt_rt5640_quirk)) { 1220 case BYT_RT5640_DMIC1_MAP: 1221 props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic1-data-pin", 1222 RT5640_DMIC1_DATA_PIN_IN1P); 1223 break; 1224 case BYT_RT5640_DMIC2_MAP: 1225 props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic2-data-pin", 1226 RT5640_DMIC2_DATA_PIN_IN1N); 1227 break; 1228 case BYT_RT5640_IN1_MAP: 1229 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC) 1230 props[cnt++] = 1231 PROPERTY_ENTRY_BOOL("realtek,in1-differential"); 1232 break; 1233 case BYT_RT5640_IN3_MAP: 1234 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC) 1235 props[cnt++] = 1236 PROPERTY_ENTRY_BOOL("realtek,in3-differential"); 1237 break; 1238 } 1239 1240 if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) { 1241 if (BYT_RT5640_JDSRC(byt_rt5640_quirk) != RT5640_JD_SRC_EXT_GPIO) { 1242 props[cnt++] = PROPERTY_ENTRY_U32( 1243 "realtek,jack-detect-source", 1244 BYT_RT5640_JDSRC(byt_rt5640_quirk)); 1245 } 1246 1247 props[cnt++] = PROPERTY_ENTRY_U32( 1248 "realtek,over-current-threshold-microamp", 1249 BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100); 1250 1251 props[cnt++] = PROPERTY_ENTRY_U32( 1252 "realtek,over-current-scale-factor", 1253 BYT_RT5640_OVCD_SF(byt_rt5640_quirk)); 1254 } 1255 1256 if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV) 1257 props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,jack-detect-not-inverted"); 1258 1259 fwnode = fwnode_create_software_node(props, NULL); 1260 if (IS_ERR(fwnode)) { 1261 /* put_device() is handled in caller */ 1262 return PTR_ERR(fwnode); 1263 } 1264 1265 ret = device_add_software_node(i2c_dev, to_software_node(fwnode)); 1266 1267 fwnode_handle_put(fwnode); 1268 1269 return ret; 1270} 1271 1272/* Some Android devs specify IRQs/GPIOS in a special AMCR0F28 ACPI device */ 1273static const struct acpi_gpio_params amcr0f28_jd_gpio = { 1, 0, false }; 1274 1275static const struct acpi_gpio_mapping amcr0f28_gpios[] = { 1276 { "rt5640-jd-gpios", &amcr0f28_jd_gpio, 1 }, 1277 { } 1278}; 1279 1280static int byt_rt5640_get_amcr0f28_settings(struct snd_soc_card *card) 1281{ 1282 struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card); 1283 struct rt5640_set_jack_data *data = &priv->jack_data; 1284 struct acpi_device *adev; 1285 int ret = 0; 1286 1287 adev = acpi_dev_get_first_match_dev("AMCR0F28", "1", -1); 1288 if (!adev) { 1289 dev_err(card->dev, "error cannot find AMCR0F28 adev\n"); 1290 return -ENOENT; 1291 } 1292 1293 data->codec_irq_override = acpi_dev_gpio_irq_get(adev, 0); 1294 if (data->codec_irq_override < 0) { 1295 ret = data->codec_irq_override; 1296 dev_err(card->dev, "error %d getting codec IRQ\n", ret); 1297 goto put_adev; 1298 } 1299 1300 if (BYT_RT5640_JDSRC(byt_rt5640_quirk) == RT5640_JD_SRC_EXT_GPIO) { 1301 acpi_dev_add_driver_gpios(adev, amcr0f28_gpios); 1302 data->jd_gpio = devm_fwnode_gpiod_get(card->dev, acpi_fwnode_handle(adev), 1303 "rt5640-jd", GPIOD_IN, "rt5640-jd"); 1304 acpi_dev_remove_driver_gpios(adev); 1305 1306 if (IS_ERR(data->jd_gpio)) { 1307 ret = PTR_ERR(data->jd_gpio); 1308 dev_err(card->dev, "error %d getting jd GPIO\n", ret); 1309 } 1310 } 1311 1312put_adev: 1313 acpi_dev_put(adev); 1314 return ret; 1315} 1316 1317static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime) 1318{ 1319 struct snd_soc_card *card = runtime->card; 1320 struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card); 1321 struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card); 1322 struct rt5640_set_jack_data *jack_data = &priv->jack_data; 1323 struct snd_soc_component *component = snd_soc_rtd_to_codec(runtime, 0)->component; 1324 const struct snd_soc_dapm_route *custom_map = NULL; 1325 int num_routes = 0; 1326 int ret; 1327 1328 snd_soc_dapm_set_idle_bias(dapm, false); 1329 jack_data->use_platform_clock = true; 1330 1331 /* Start with RC clk for jack-detect (we disable MCLK below) */ 1332 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) 1333 snd_soc_component_update_bits(component, RT5640_GLB_CLK, 1334 RT5640_SCLK_SRC_MASK, RT5640_SCLK_SRC_RCCLK); 1335 1336 rt5640_sel_asrc_clk_src(component, 1337 RT5640_DA_STEREO_FILTER | 1338 RT5640_DA_MONO_L_FILTER | 1339 RT5640_DA_MONO_R_FILTER | 1340 RT5640_AD_STEREO_FILTER | 1341 RT5640_AD_MONO_L_FILTER | 1342 RT5640_AD_MONO_R_FILTER, 1343 RT5640_CLK_SEL_ASRC); 1344 1345 ret = snd_soc_add_card_controls(card, byt_rt5640_controls, 1346 ARRAY_SIZE(byt_rt5640_controls)); 1347 if (ret) { 1348 dev_err(card->dev, "unable to add card controls\n"); 1349 return ret; 1350 } 1351 1352 switch (BYT_RT5640_MAP(byt_rt5640_quirk)) { 1353 case BYT_RT5640_IN1_MAP: 1354 custom_map = byt_rt5640_intmic_in1_map; 1355 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map); 1356 break; 1357 case BYT_RT5640_IN3_MAP: 1358 custom_map = byt_rt5640_intmic_in3_map; 1359 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in3_map); 1360 break; 1361 case BYT_RT5640_DMIC1_MAP: 1362 custom_map = byt_rt5640_intmic_dmic1_map; 1363 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map); 1364 break; 1365 case BYT_RT5640_DMIC2_MAP: 1366 custom_map = byt_rt5640_intmic_dmic2_map; 1367 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map); 1368 break; 1369 } 1370 1371 ret = snd_soc_dapm_add_routes(dapm, custom_map, num_routes); 1372 if (ret) 1373 return ret; 1374 1375 if (byt_rt5640_quirk & BYT_RT5640_HSMIC2_ON_IN1) { 1376 ret = snd_soc_dapm_add_routes(dapm, 1377 byt_rt5640_hsmic2_in1_map, 1378 ARRAY_SIZE(byt_rt5640_hsmic2_in1_map)); 1379 if (ret) 1380 return ret; 1381 } 1382 1383 if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) { 1384 ret = snd_soc_dapm_add_routes(dapm, 1385 byt_rt5640_ssp2_aif2_map, 1386 ARRAY_SIZE(byt_rt5640_ssp2_aif2_map)); 1387 } else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) { 1388 ret = snd_soc_dapm_add_routes(dapm, 1389 byt_rt5640_ssp0_aif1_map, 1390 ARRAY_SIZE(byt_rt5640_ssp0_aif1_map)); 1391 } else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) { 1392 ret = snd_soc_dapm_add_routes(dapm, 1393 byt_rt5640_ssp0_aif2_map, 1394 ARRAY_SIZE(byt_rt5640_ssp0_aif2_map)); 1395 } else { 1396 ret = snd_soc_dapm_add_routes(dapm, 1397 byt_rt5640_ssp2_aif1_map, 1398 ARRAY_SIZE(byt_rt5640_ssp2_aif1_map)); 1399 } 1400 if (ret) 1401 return ret; 1402 1403 if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) { 1404 ret = snd_soc_dapm_add_routes(dapm, 1405 byt_rt5640_mono_spk_map, 1406 ARRAY_SIZE(byt_rt5640_mono_spk_map)); 1407 } else if (!(byt_rt5640_quirk & BYT_RT5640_NO_SPEAKERS)) { 1408 ret = snd_soc_dapm_add_routes(dapm, 1409 byt_rt5640_stereo_spk_map, 1410 ARRAY_SIZE(byt_rt5640_stereo_spk_map)); 1411 } 1412 if (ret) 1413 return ret; 1414 1415 if (byt_rt5640_quirk & BYT_RT5640_LINEOUT) { 1416 ret = snd_soc_dapm_add_routes(dapm, 1417 byt_rt5640_lineout_map, 1418 ARRAY_SIZE(byt_rt5640_lineout_map)); 1419 if (ret) 1420 return ret; 1421 } 1422 1423 /* 1424 * The firmware might enable the clock at boot (this information 1425 * may or may not be reflected in the enable clock register). 1426 * To change the rate we must disable the clock first to cover 1427 * these cases. Due to common clock framework restrictions that 1428 * do not allow to disable a clock that has not been enabled, 1429 * we need to enable the clock first. 1430 */ 1431 ret = clk_prepare_enable(priv->mclk); 1432 if (!ret) 1433 clk_disable_unprepare(priv->mclk); 1434 1435 if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) 1436 ret = clk_set_rate(priv->mclk, 25000000); 1437 else 1438 ret = clk_set_rate(priv->mclk, 19200000); 1439 if (ret) { 1440 dev_err(card->dev, "unable to set MCLK rate\n"); 1441 return ret; 1442 } 1443 1444 if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) { 1445 ret = snd_soc_card_jack_new_pins(card, "Headset", 1446 SND_JACK_HEADSET | SND_JACK_BTN_0, 1447 &priv->jack, rt5640_pins, 1448 ARRAY_SIZE(rt5640_pins)); 1449 if (ret) { 1450 dev_err(card->dev, "Jack creation failed %d\n", ret); 1451 return ret; 1452 } 1453 snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0, 1454 KEY_PLAYPAUSE); 1455 1456 if (byt_rt5640_quirk & BYT_RT5640_USE_AMCR0F28) { 1457 ret = byt_rt5640_get_amcr0f28_settings(card); 1458 if (ret) 1459 return ret; 1460 } 1461 1462 snd_soc_component_set_jack(component, &priv->jack, &priv->jack_data); 1463 } 1464 1465 if (byt_rt5640_quirk & BYT_RT5640_JD_HP_ELITEP_1000G2) { 1466 ret = snd_soc_card_jack_new_pins(card, "Headset", 1467 SND_JACK_HEADSET, 1468 &priv->jack, rt5640_pins, 1469 ARRAY_SIZE(rt5640_pins)); 1470 if (ret) 1471 return ret; 1472 1473 ret = snd_soc_card_jack_new_pins(card, "Headset 2", 1474 SND_JACK_HEADSET, 1475 &priv->jack2, rt5640_pins2, 1476 ARRAY_SIZE(rt5640_pins2)); 1477 if (ret) 1478 return ret; 1479 1480 rt5640_jack_gpio.data = priv; 1481 rt5640_jack_gpio.gpiod_dev = priv->codec_dev; 1482 rt5640_jack_gpio.jack_status_check = byt_rt5640_hp_elitepad_1000g2_jack1_check; 1483 ret = snd_soc_jack_add_gpios(&priv->jack, 1, &rt5640_jack_gpio); 1484 if (ret) 1485 return ret; 1486 1487 rt5640_set_ovcd_params(component); 1488 rt5640_jack2_gpio.data = component; 1489 rt5640_jack2_gpio.gpiod_dev = priv->codec_dev; 1490 rt5640_jack2_gpio.jack_status_check = byt_rt5640_hp_elitepad_1000g2_jack2_check; 1491 ret = snd_soc_jack_add_gpios(&priv->jack2, 1, &rt5640_jack2_gpio); 1492 if (ret) { 1493 snd_soc_jack_free_gpios(&priv->jack, 1, &rt5640_jack_gpio); 1494 return ret; 1495 } 1496 } 1497 1498 return 0; 1499} 1500 1501static void byt_rt5640_exit(struct snd_soc_pcm_runtime *runtime) 1502{ 1503 struct snd_soc_card *card = runtime->card; 1504 struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card); 1505 1506 if (byt_rt5640_quirk & BYT_RT5640_JD_HP_ELITEP_1000G2) { 1507 snd_soc_jack_free_gpios(&priv->jack2, 1, &rt5640_jack2_gpio); 1508 snd_soc_jack_free_gpios(&priv->jack, 1, &rt5640_jack_gpio); 1509 } 1510} 1511 1512static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd, 1513 struct snd_pcm_hw_params *params) 1514{ 1515 struct snd_interval *rate = hw_param_interval(params, 1516 SNDRV_PCM_HW_PARAM_RATE); 1517 struct snd_interval *channels = hw_param_interval(params, 1518 SNDRV_PCM_HW_PARAM_CHANNELS); 1519 int ret, bits; 1520 1521 /* The DSP will convert the FE rate to 48k, stereo */ 1522 rate->min = rate->max = 48000; 1523 channels->min = channels->max = 2; 1524 1525 if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) || 1526 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) { 1527 /* set SSP0 to 16-bit */ 1528 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE); 1529 bits = 16; 1530 } else { 1531 /* set SSP2 to 24-bit */ 1532 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); 1533 bits = 24; 1534 } 1535 1536 /* 1537 * Default mode for SSP configuration is TDM 4 slot, override config 1538 * with explicit setting to I2S 2ch. The word length is set with 1539 * dai_set_tdm_slot() since there is no other API exposed 1540 */ 1541 ret = snd_soc_dai_set_fmt(snd_soc_rtd_to_cpu(rtd, 0), 1542 SND_SOC_DAIFMT_I2S | 1543 SND_SOC_DAIFMT_NB_NF | 1544 SND_SOC_DAIFMT_BP_FP); 1545 if (ret < 0) { 1546 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret); 1547 return ret; 1548 } 1549 1550 ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, bits); 1551 if (ret < 0) { 1552 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret); 1553 return ret; 1554 } 1555 1556 return 0; 1557} 1558 1559static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream) 1560{ 1561 return snd_pcm_hw_constraint_single(substream->runtime, 1562 SNDRV_PCM_HW_PARAM_RATE, 48000); 1563} 1564 1565static const struct snd_soc_ops byt_rt5640_aif1_ops = { 1566 .startup = byt_rt5640_aif1_startup, 1567}; 1568 1569static const struct snd_soc_ops byt_rt5640_be_ssp2_ops = { 1570 .hw_params = byt_rt5640_aif1_hw_params, 1571}; 1572 1573SND_SOC_DAILINK_DEF(dummy, 1574 DAILINK_COMP_ARRAY(COMP_DUMMY())); 1575 1576SND_SOC_DAILINK_DEF(media, 1577 DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai"))); 1578 1579SND_SOC_DAILINK_DEF(deepbuffer, 1580 DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai"))); 1581 1582SND_SOC_DAILINK_DEF(ssp2_port, 1583 /* overwritten for ssp0 routing */ 1584 DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port"))); 1585SND_SOC_DAILINK_DEF(ssp2_codec, 1586 DAILINK_COMP_ARRAY(COMP_CODEC( 1587 /* overwritten with HID */ "i2c-10EC5640:00", 1588 /* changed w/ quirk */ "rt5640-aif1"))); 1589 1590SND_SOC_DAILINK_DEF(platform, 1591 DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform"))); 1592 1593static struct snd_soc_dai_link byt_rt5640_dais[] = { 1594 [MERR_DPCM_AUDIO] = { 1595 .name = "Baytrail Audio Port", 1596 .stream_name = "Baytrail Audio", 1597 .nonatomic = true, 1598 .dynamic = 1, 1599 .ops = &byt_rt5640_aif1_ops, 1600 SND_SOC_DAILINK_REG(media, dummy, platform), 1601 }, 1602 [MERR_DPCM_DEEP_BUFFER] = { 1603 .name = "Deep-Buffer Audio Port", 1604 .stream_name = "Deep-Buffer Audio", 1605 .nonatomic = true, 1606 .dynamic = 1, 1607 .playback_only = 1, 1608 .ops = &byt_rt5640_aif1_ops, 1609 SND_SOC_DAILINK_REG(deepbuffer, dummy, platform), 1610 }, 1611 /* back ends */ 1612 { 1613 .name = "SSP2-Codec", 1614 .id = 0, 1615 .no_pcm = 1, 1616 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 1617 | SND_SOC_DAIFMT_CBC_CFC, 1618 .be_hw_params_fixup = byt_rt5640_codec_fixup, 1619 .init = byt_rt5640_init, 1620 .exit = byt_rt5640_exit, 1621 .ops = &byt_rt5640_be_ssp2_ops, 1622 SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform), 1623 }, 1624}; 1625 1626/* SoC card */ 1627static char byt_rt5640_codec_name[SND_ACPI_I2C_ID_LEN]; 1628#if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES) 1629static char byt_rt5640_long_name[40]; /* = "bytcr-rt5640-*-spk-*-mic" */ 1630#endif 1631static char byt_rt5640_components[64]; /* = "cfg-spk:* cfg-mic:* ..." */ 1632 1633static int byt_rt5640_suspend(struct snd_soc_card *card) 1634{ 1635 struct snd_soc_component *component; 1636 1637 if (!BYT_RT5640_JDSRC(byt_rt5640_quirk)) 1638 return 0; 1639 1640 for_each_card_components(card, component) { 1641 if (!strcmp(component->name, byt_rt5640_codec_name)) { 1642 dev_dbg(component->dev, "disabling jack detect before suspend\n"); 1643 snd_soc_component_set_jack(component, NULL, NULL); 1644 break; 1645 } 1646 } 1647 1648 return 0; 1649} 1650 1651static int byt_rt5640_resume(struct snd_soc_card *card) 1652{ 1653 struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card); 1654 struct snd_soc_component *component; 1655 1656 if (!BYT_RT5640_JDSRC(byt_rt5640_quirk)) 1657 return 0; 1658 1659 for_each_card_components(card, component) { 1660 if (!strcmp(component->name, byt_rt5640_codec_name)) { 1661 dev_dbg(component->dev, "re-enabling jack detect after resume\n"); 1662 snd_soc_component_set_jack(component, &priv->jack, 1663 &priv->jack_data); 1664 break; 1665 } 1666 } 1667 1668 return 0; 1669} 1670 1671/* use space before codec name to simplify card ID, and simplify driver name */ 1672#define SOF_CARD_NAME "bytcht rt5640" /* card name will be 'sof-bytcht rt5640' */ 1673#define SOF_DRIVER_NAME "SOF" 1674 1675#define CARD_NAME "bytcr-rt5640" 1676#define DRIVER_NAME NULL /* card name will be used for driver name */ 1677 1678static struct snd_soc_card byt_rt5640_card = { 1679 .owner = THIS_MODULE, 1680 .dai_link = byt_rt5640_dais, 1681 .num_links = ARRAY_SIZE(byt_rt5640_dais), 1682 .dapm_widgets = byt_rt5640_widgets, 1683 .num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets), 1684 .dapm_routes = byt_rt5640_audio_map, 1685 .num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map), 1686 .fully_routed = true, 1687 .suspend_pre = byt_rt5640_suspend, 1688 .resume_post = byt_rt5640_resume, 1689}; 1690 1691struct acpi_chan_package { /* ACPICA seems to require 64 bit integers */ 1692 u64 aif_value; /* 1: AIF1, 2: AIF2 */ 1693 u64 mclock_value; /* usually 25MHz (0x17d7940), ignored */ 1694}; 1695 1696static int snd_byt_rt5640_mc_probe(struct platform_device *pdev) 1697{ 1698 struct device *dev = &pdev->dev; 1699 static const char * const map_name[] = { "dmic1", "dmic2", "in1", "in3", "none" }; 1700 struct snd_soc_acpi_mach *mach = dev_get_platdata(dev); 1701 __maybe_unused const char *spk_type; 1702 const struct dmi_system_id *dmi_id; 1703 const char *headset2_string = ""; 1704 const char *lineout_string = ""; 1705 struct byt_rt5640_private *priv; 1706 const char *platform_name; 1707 struct acpi_device *adev; 1708 struct device *codec_dev; 1709 const char *cfg_spk; 1710 bool sof_parent; 1711 int ret_val = 0; 1712 int dai_index = 0; 1713 int i, aif; 1714 1715 is_bytcr = false; 1716 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); 1717 if (!priv) 1718 return -ENOMEM; 1719 1720 /* register the soc card */ 1721 byt_rt5640_card.dev = dev; 1722 snd_soc_card_set_drvdata(&byt_rt5640_card, priv); 1723 1724 /* fix index of codec dai */ 1725 for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) { 1726 if (byt_rt5640_dais[i].num_codecs && 1727 !strcmp(byt_rt5640_dais[i].codecs->name, 1728 "i2c-10EC5640:00")) { 1729 dai_index = i; 1730 break; 1731 } 1732 } 1733 1734 /* fixup codec name based on HID */ 1735 adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1); 1736 if (adev) { 1737 snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name), 1738 "i2c-%s", acpi_dev_name(adev)); 1739 byt_rt5640_dais[dai_index].codecs->name = byt_rt5640_codec_name; 1740 } else { 1741 dev_err(dev, "Error cannot find '%s' dev\n", mach->id); 1742 return -ENOENT; 1743 } 1744 1745 codec_dev = acpi_get_first_physical_node(adev); 1746 acpi_dev_put(adev); 1747 1748 if (codec_dev) { 1749 priv->codec_dev = get_device(codec_dev); 1750 } else { 1751 /* 1752 * Special case for Android tablets where the codec i2c_client 1753 * has been manually instantiated by x86_android_tablets.ko due 1754 * to a broken DSDT. 1755 */ 1756 codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL, 1757 BYT_RT5640_FALLBACK_CODEC_DEV_NAME); 1758 if (!codec_dev) 1759 return -EPROBE_DEFER; 1760 1761 if (!i2c_verify_client(codec_dev)) { 1762 dev_err(dev, "Error '%s' is not an i2c_client\n", 1763 BYT_RT5640_FALLBACK_CODEC_DEV_NAME); 1764 put_device(codec_dev); 1765 } 1766 1767 /* fixup codec name */ 1768 strscpy(byt_rt5640_codec_name, BYT_RT5640_FALLBACK_CODEC_DEV_NAME, 1769 sizeof(byt_rt5640_codec_name)); 1770 1771 /* bus_find_device() returns a reference no need to get() */ 1772 priv->codec_dev = codec_dev; 1773 } 1774 1775 /* 1776 * swap SSP0 if bytcr is detected 1777 * (will be overridden if DMI quirk is detected) 1778 */ 1779 if (soc_intel_is_byt()) { 1780 if (mach->mach_params.acpi_ipc_irq_index == 0) 1781 is_bytcr = true; 1782 } 1783 1784 if (is_bytcr) { 1785 /* 1786 * Baytrail CR platforms may have CHAN package in BIOS, try 1787 * to find relevant routing quirk based as done on Windows 1788 * platforms. We have to read the information directly from the 1789 * BIOS, at this stage the card is not created and the links 1790 * with the codec driver/pdata are non-existent 1791 */ 1792 1793 struct acpi_chan_package chan_package = { 0 }; 1794 1795 /* format specified: 2 64-bit integers */ 1796 struct acpi_buffer format = {sizeof("NN"), "NN"}; 1797 struct acpi_buffer state = {0, NULL}; 1798 struct snd_soc_acpi_package_context pkg_ctx; 1799 bool pkg_found = false; 1800 1801 state.length = sizeof(chan_package); 1802 state.pointer = &chan_package; 1803 1804 pkg_ctx.name = "CHAN"; 1805 pkg_ctx.length = 2; 1806 pkg_ctx.format = &format; 1807 pkg_ctx.state = &state; 1808 pkg_ctx.data_valid = false; 1809 1810 pkg_found = snd_soc_acpi_find_package_from_hid(mach->id, 1811 &pkg_ctx); 1812 if (pkg_found) { 1813 if (chan_package.aif_value == 1) { 1814 dev_info(dev, "BIOS Routing: AIF1 connected\n"); 1815 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF1; 1816 } else if (chan_package.aif_value == 2) { 1817 dev_info(dev, "BIOS Routing: AIF2 connected\n"); 1818 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2; 1819 } else { 1820 dev_info(dev, "BIOS Routing isn't valid, ignored\n"); 1821 pkg_found = false; 1822 } 1823 } 1824 1825 if (!pkg_found) { 1826 /* no BIOS indications, assume SSP0-AIF2 connection */ 1827 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2; 1828 } 1829 1830 /* change defaults for Baytrail-CR capture */ 1831 byt_rt5640_quirk |= BYTCR_INPUT_DEFAULTS; 1832 } else { 1833 byt_rt5640_quirk |= BYT_RT5640_DMIC1_MAP | 1834 BYT_RT5640_JD_SRC_JD2_IN4N | 1835 BYT_RT5640_OVCD_TH_2000UA | 1836 BYT_RT5640_OVCD_SF_0P75; 1837 } 1838 1839 /* check quirks before creating card */ 1840 dmi_id = dmi_first_match(byt_rt5640_quirk_table); 1841 if (dmi_id) 1842 byt_rt5640_quirk = (unsigned long)dmi_id->driver_data; 1843 if (quirk_override != -1) { 1844 dev_info(dev, "Overriding quirk 0x%lx => 0x%x\n", 1845 byt_rt5640_quirk, quirk_override); 1846 byt_rt5640_quirk = quirk_override; 1847 } 1848 1849 if (byt_rt5640_quirk & BYT_RT5640_JD_HP_ELITEP_1000G2) { 1850 acpi_dev_add_driver_gpios(ACPI_COMPANION(priv->codec_dev), 1851 byt_rt5640_hp_elitepad_1000g2_gpios); 1852 1853 priv->hsmic_detect = devm_fwnode_gpiod_get(dev, codec_dev->fwnode, 1854 "headset-mic-detect", GPIOD_IN, 1855 "headset-mic-detect"); 1856 if (IS_ERR(priv->hsmic_detect)) { 1857 ret_val = dev_err_probe(dev, PTR_ERR(priv->hsmic_detect), 1858 "getting hsmic-detect GPIO\n"); 1859 goto err_device; 1860 } 1861 } 1862 1863 /* Must be called before register_card, also see declaration comment. */ 1864 ret_val = byt_rt5640_add_codec_device_props(codec_dev, priv); 1865 if (ret_val) 1866 goto err_remove_gpios; 1867 1868 log_quirks(dev); 1869 1870 if ((byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) || 1871 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) { 1872 byt_rt5640_dais[dai_index].codecs->dai_name = "rt5640-aif2"; 1873 aif = 2; 1874 } else { 1875 aif = 1; 1876 } 1877 1878 if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) || 1879 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) 1880 byt_rt5640_dais[dai_index].cpus->dai_name = "ssp0-port"; 1881 1882 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) { 1883 priv->mclk = devm_clk_get_optional(dev, "pmc_plt_clk_3"); 1884 if (IS_ERR(priv->mclk)) { 1885 ret_val = dev_err_probe(dev, PTR_ERR(priv->mclk), 1886 "Failed to get MCLK from pmc_plt_clk_3\n"); 1887 goto err; 1888 } 1889 /* 1890 * Fall back to bit clock usage when clock is not 1891 * available likely due to missing dependencies. 1892 */ 1893 if (!priv->mclk) 1894 byt_rt5640_quirk &= ~BYT_RT5640_MCLK_EN; 1895 } 1896 1897 if (byt_rt5640_quirk & BYT_RT5640_NO_SPEAKERS) { 1898 cfg_spk = "0"; 1899 spk_type = "none"; 1900 } else if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) { 1901 cfg_spk = "1"; 1902 spk_type = "mono"; 1903 } else if (byt_rt5640_quirk & BYT_RT5640_SWAPPED_SPEAKERS) { 1904 cfg_spk = "swapped"; 1905 spk_type = "swapped"; 1906 } else { 1907 cfg_spk = "2"; 1908 spk_type = "stereo"; 1909 } 1910 1911 if (byt_rt5640_quirk & BYT_RT5640_LINEOUT) { 1912 if (byt_rt5640_quirk & BYT_RT5640_LINEOUT_AS_HP2) 1913 lineout_string = " cfg-hp2:lineout"; 1914 else 1915 lineout_string = " cfg-lineout:2"; 1916 } 1917 1918 if (byt_rt5640_quirk & BYT_RT5640_HSMIC2_ON_IN1) 1919 headset2_string = " cfg-hs2:in1"; 1920 1921 snprintf(byt_rt5640_components, sizeof(byt_rt5640_components), 1922 "cfg-spk:%s cfg-mic:%s aif:%d%s%s", cfg_spk, 1923 map_name[BYT_RT5640_MAP(byt_rt5640_quirk)], aif, 1924 lineout_string, headset2_string); 1925 byt_rt5640_card.components = byt_rt5640_components; 1926#if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES) 1927 snprintf(byt_rt5640_long_name, sizeof(byt_rt5640_long_name), 1928 "bytcr-rt5640-%s-spk-%s-mic", spk_type, 1929 map_name[BYT_RT5640_MAP(byt_rt5640_quirk)]); 1930 byt_rt5640_card.long_name = byt_rt5640_long_name; 1931#endif 1932 1933 /* override platform name, if required */ 1934 platform_name = mach->mach_params.platform; 1935 1936 ret_val = snd_soc_fixup_dai_links_platform_name(&byt_rt5640_card, 1937 platform_name); 1938 if (ret_val) 1939 goto err; 1940 1941 sof_parent = snd_soc_acpi_sof_parent(dev); 1942 1943 /* set card and driver name */ 1944 if (sof_parent) { 1945 byt_rt5640_card.name = SOF_CARD_NAME; 1946 byt_rt5640_card.driver_name = SOF_DRIVER_NAME; 1947 } else { 1948 byt_rt5640_card.name = CARD_NAME; 1949 byt_rt5640_card.driver_name = DRIVER_NAME; 1950 } 1951 1952 /* set pm ops */ 1953 if (sof_parent) 1954 dev->driver->pm = &snd_soc_pm_ops; 1955 1956 ret_val = devm_snd_soc_register_card(dev, &byt_rt5640_card); 1957 if (ret_val) { 1958 dev_err(dev, "devm_snd_soc_register_card failed %d\n", ret_val); 1959 goto err; 1960 } 1961 platform_set_drvdata(pdev, &byt_rt5640_card); 1962 return ret_val; 1963 1964err: 1965 device_remove_software_node(priv->codec_dev); 1966err_remove_gpios: 1967 if (byt_rt5640_quirk & BYT_RT5640_JD_HP_ELITEP_1000G2) 1968 acpi_dev_remove_driver_gpios(ACPI_COMPANION(priv->codec_dev)); 1969err_device: 1970 put_device(priv->codec_dev); 1971 return ret_val; 1972} 1973 1974static void snd_byt_rt5640_mc_remove(struct platform_device *pdev) 1975{ 1976 struct snd_soc_card *card = platform_get_drvdata(pdev); 1977 struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card); 1978 1979 if (byt_rt5640_quirk & BYT_RT5640_JD_HP_ELITEP_1000G2) 1980 acpi_dev_remove_driver_gpios(ACPI_COMPANION(priv->codec_dev)); 1981 1982 device_remove_software_node(priv->codec_dev); 1983 put_device(priv->codec_dev); 1984} 1985 1986static struct platform_driver snd_byt_rt5640_mc_driver = { 1987 .driver = { 1988 .name = "bytcr_rt5640", 1989 }, 1990 .probe = snd_byt_rt5640_mc_probe, 1991 .remove = snd_byt_rt5640_mc_remove, 1992}; 1993 1994module_platform_driver(snd_byt_rt5640_mc_driver); 1995 1996MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver"); 1997MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>"); 1998MODULE_LICENSE("GPL v2"); 1999MODULE_ALIAS("platform:bytcr_rt5640");
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