sound/soc/intel/boards/bytcr_rt5640.c

   1 /*
   2  *  byt_cr_dpcm_rt5640.c - ASoc Machine driver for Intel Byt CR platform
   3  *
   4  *  Copyright (C) 2014 Intel Corp
   5  *  Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
   6  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; version 2 of the License.
  11  *
  12  *  This program is distributed in the hope that it will be useful, but
  13  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  *  General Public License for more details.
  16  *
  17  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  18  */
  19
  20 #include <linux/i2c.h>
  21 #include <linux/init.h>
  22 #include <linux/module.h>
  23 #include <linux/moduleparam.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/acpi.h>
  26 #include <linux/clk.h>
  27 #include <linux/device.h>
  28 #include <linux/dmi.h>
  29 #include <linux/input.h>
  30 #include <linux/slab.h>
  31 #include <asm/cpu_device_id.h>
  32 #include <asm/platform_sst_audio.h>
  33 #include <sound/pcm.h>
  34 #include <sound/pcm_params.h>
  35 #include <sound/soc.h>
  36 #include <sound/jack.h>
  37 #include <sound/soc-acpi.h>
  38 #include <dt-bindings/sound/rt5640.h>
  39 #include "../../codecs/rt5640.h"
  40 #include "../atom/sst-atom-controls.h"
  41 #include "../common/sst-dsp.h"
  42
  43 enum {
  44         BYT_RT5640_DMIC1_MAP,
  45         BYT_RT5640_DMIC2_MAP,
  46         BYT_RT5640_IN1_MAP,
  47         BYT_RT5640_IN3_MAP,
  48 };
  49
  50 enum {
  51         BYT_RT5640_JD_SRC_GPIO1         = (RT5640_JD_SRC_GPIO1 << 4),
  52         BYT_RT5640_JD_SRC_JD1_IN4P      = (RT5640_JD_SRC_JD1_IN4P << 4),
  53         BYT_RT5640_JD_SRC_JD2_IN4N      = (RT5640_JD_SRC_JD2_IN4N << 4),
  54         BYT_RT5640_JD_SRC_GPIO2         = (RT5640_JD_SRC_GPIO2 << 4),
  55         BYT_RT5640_JD_SRC_GPIO3         = (RT5640_JD_SRC_GPIO3 << 4),
  56         BYT_RT5640_JD_SRC_GPIO4         = (RT5640_JD_SRC_GPIO4 << 4),
  57 };
  58
  59 enum {
  60         BYT_RT5640_OVCD_TH_600UA        = (6 << 8),
  61         BYT_RT5640_OVCD_TH_1500UA       = (15 << 8),
  62         BYT_RT5640_OVCD_TH_2000UA       = (20 << 8),
  63 };
  64
  65 enum {
  66         BYT_RT5640_OVCD_SF_0P5          = (RT5640_OVCD_SF_0P5 << 13),
  67         BYT_RT5640_OVCD_SF_0P75         = (RT5640_OVCD_SF_0P75 << 13),
  68         BYT_RT5640_OVCD_SF_1P0          = (RT5640_OVCD_SF_1P0 << 13),
  69         BYT_RT5640_OVCD_SF_1P5          = (RT5640_OVCD_SF_1P5 << 13),
  70 };
  71
  72 #define BYT_RT5640_MAP(quirk)           ((quirk) &  GENMASK(3, 0))
  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
  85 #define BYTCR_INPUT_DEFAULTS                            \
  86         (BYT_RT5640_IN3_MAP |                           \
  87          BYT_RT5640_JD_SRC_JD1_IN4P |                   \
  88          BYT_RT5640_OVCD_TH_2000UA |                    \
  89          BYT_RT5640_OVCD_SF_0P75 |                      \
  90          BYT_RT5640_DIFF_MIC)
  91
  92 /* in-diff or dmic-pin + jdsrc + ovcd-th + -sf + jd-inv + terminating entry */
  93 #define MAX_NO_PROPS 6
  94
  95 struct byt_rt5640_private {
  96         struct snd_soc_jack jack;
  97         struct clk *mclk;
  98 };
  99 static bool is_bytcr;
 100
 101 static unsigned long byt_rt5640_quirk = BYT_RT5640_MCLK_EN;
 102 static unsigned int quirk_override;
 103 module_param_named(quirk, quirk_override, uint, 0444);
 104 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
 105
 106 static void log_quirks(struct device *dev)
 107 {
 108         int map;
 109         bool has_mclk = false;
 110         bool has_ssp0 = false;
 111         bool has_ssp0_aif1 = false;
 112         bool has_ssp0_aif2 = false;
 113         bool has_ssp2_aif2 = false;
 114
 115         map = BYT_RT5640_MAP(byt_rt5640_quirk);
 116         switch (map) {
 117         case BYT_RT5640_DMIC1_MAP:
 118                 dev_info(dev, "quirk DMIC1_MAP enabled\n");
 119                 break;
 120         case BYT_RT5640_DMIC2_MAP:
 121                 dev_info(dev, "quirk DMIC2_MAP enabled\n");
 122                 break;
 123         case BYT_RT5640_IN1_MAP:
 124                 dev_info(dev, "quirk IN1_MAP enabled\n");
 125                 break;
 126         case BYT_RT5640_IN3_MAP:
 127                 dev_info(dev, "quirk IN3_MAP enabled\n");
 128                 break;
 129         default:
 130                 dev_err(dev, "quirk map 0x%x is not supported, microphone input will not work\n", map);
 131                 break;
 132         }
 133         if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
 134                 dev_info(dev, "quirk realtek,jack-detect-source %ld\n",
 135                          BYT_RT5640_JDSRC(byt_rt5640_quirk));
 136                 dev_info(dev, "quirk realtek,over-current-threshold-microamp %ld\n",
 137                          BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100);
 138                 dev_info(dev, "quirk realtek,over-current-scale-factor %ld\n",
 139                          BYT_RT5640_OVCD_SF(byt_rt5640_quirk));
 140         }
 141         if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV)
 142                 dev_info(dev, "quirk JD_NOT_INV enabled\n");
 143         if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER)
 144                 dev_info(dev, "quirk MONO_SPEAKER enabled\n");
 145         if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
 146                 dev_info(dev, "quirk DIFF_MIC enabled\n");
 147         if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) {
 148                 dev_info(dev, "quirk SSP0_AIF1 enabled\n");
 149                 has_ssp0 = true;
 150                 has_ssp0_aif1 = true;
 151         }
 152         if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) {
 153                 dev_info(dev, "quirk SSP0_AIF2 enabled\n");
 154                 has_ssp0 = true;
 155                 has_ssp0_aif2 = true;
 156         }
 157         if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
 158                 dev_info(dev, "quirk SSP2_AIF2 enabled\n");
 159                 has_ssp2_aif2 = true;
 160         }
 161         if (is_bytcr && !has_ssp0)
 162                 dev_err(dev, "Invalid routing, bytcr detected but no SSP0-based quirk, audio cannot work with SSP2 on bytcr\n");
 163         if (has_ssp0_aif1 && has_ssp0_aif2)
 164                 dev_err(dev, "Invalid routing, SSP0 cannot be connected to both AIF1 and AIF2\n");
 165         if (has_ssp0 && has_ssp2_aif2)
 166                 dev_err(dev, "Invalid routing, cannot have both SSP0 and SSP2 connected to codec\n");
 167
 168         if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
 169                 dev_info(dev, "quirk MCLK_EN enabled\n");
 170                 has_mclk = true;
 171         }
 172         if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) {
 173                 if (has_mclk)
 174                         dev_info(dev, "quirk MCLK_25MHZ enabled\n");
 175                 else
 176                         dev_err(dev, "quirk MCLK_25MHZ enabled but quirk MCLK not selected, will be ignored\n");
 177         }
 178 }
 179
 180 static int byt_rt5640_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai,
 181                                               int rate)
 182 {
 183         int ret;
 184
 185         /* Configure the PLL before selecting it */
 186         if (!(byt_rt5640_quirk & BYT_RT5640_MCLK_EN)) {
 187                 /* use bitclock as PLL input */
 188                 if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
 189                     (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
 190                         /* 2x16 bit slots on SSP0 */
 191                         ret = snd_soc_dai_set_pll(codec_dai, 0,
 192                                                   RT5640_PLL1_S_BCLK1,
 193                                                   rate * 32, rate * 512);
 194                 } else {
 195                         /* 2x15 bit slots on SSP2 */
 196                         ret = snd_soc_dai_set_pll(codec_dai, 0,
 197                                                   RT5640_PLL1_S_BCLK1,
 198                                                   rate * 50, rate * 512);
 199                 }
 200         } else {
 201                 if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) {
 202                         ret = snd_soc_dai_set_pll(codec_dai, 0,
 203                                                   RT5640_PLL1_S_MCLK,
 204                                                   25000000, rate * 512);
 205                 } else {
 206                         ret = snd_soc_dai_set_pll(codec_dai, 0,
 207                                                   RT5640_PLL1_S_MCLK,
 208                                                   19200000, rate * 512);
 209                 }
 210         }
 211
 212         if (ret < 0) {
 213                 dev_err(codec_dai->component->dev, "can't set pll: %d\n", ret);
 214                 return ret;
 215         }
 216
 217         ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1,
 218                                      rate * 512, SND_SOC_CLOCK_IN);
 219         if (ret < 0) {
 220                 dev_err(codec_dai->component->dev, "can't set clock %d\n", ret);
 221                 return ret;
 222         }
 223
 224         return 0;
 225 }
 226
 227 #define BYT_CODEC_DAI1  "rt5640-aif1"
 228 #define BYT_CODEC_DAI2  "rt5640-aif2"
 229
 230 static int platform_clock_control(struct snd_soc_dapm_widget *w,
 231                                   struct snd_kcontrol *k, int  event)
 232 {
 233         struct snd_soc_dapm_context *dapm = w->dapm;
 234         struct snd_soc_card *card = dapm->card;
 235         struct snd_soc_dai *codec_dai;
 236         struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
 237         int ret;
 238
 239         codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI1);
 240         if (!codec_dai)
 241                 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI2);
 242
 243         if (!codec_dai) {
 244                 dev_err(card->dev,
 245                         "Codec dai not found; Unable to set platform clock\n");
 246                 return -EIO;
 247         }
 248
 249         if (SND_SOC_DAPM_EVENT_ON(event)) {
 250                 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
 251                         ret = clk_prepare_enable(priv->mclk);
 252                         if (ret < 0) {
 253                                 dev_err(card->dev,
 254                                         "could not configure MCLK state\n");
 255                                 return ret;
 256                         }
 257                 }
 258                 ret = byt_rt5640_prepare_and_enable_pll1(codec_dai, 48000);
 259         } else {
 260                 /*
 261                  * Set codec clock source to internal clock before
 262                  * turning off the platform clock. Codec needs clock
 263                  * for Jack detection and button press
 264                  */
 265                 ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_RCCLK,
 266                                              48000 * 512,
 267                                              SND_SOC_CLOCK_IN);
 268                 if (!ret) {
 269                         if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN)
 270                                 clk_disable_unprepare(priv->mclk);
 271                 }
 272         }
 273
 274         if (ret < 0) {
 275                 dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
 276                 return ret;
 277         }
 278
 279         return 0;
 280 }
 281
 282 static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
 283         SND_SOC_DAPM_HP("Headphone", NULL),
 284         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 285         SND_SOC_DAPM_MIC("Internal Mic", NULL),
 286         SND_SOC_DAPM_SPK("Speaker", NULL),
 287         SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
 288                             platform_clock_control, SND_SOC_DAPM_PRE_PMU |
 289                             SND_SOC_DAPM_POST_PMD),
 290
 291 };
 292
 293 static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
 294         {"Headphone", NULL, "Platform Clock"},
 295         {"Headset Mic", NULL, "Platform Clock"},
 296         {"Internal Mic", NULL, "Platform Clock"},
 297         {"Speaker", NULL, "Platform Clock"},
 298
 299         {"Headset Mic", NULL, "MICBIAS1"},
 300         {"IN2P", NULL, "Headset Mic"},
 301         {"Headphone", NULL, "HPOL"},
 302         {"Headphone", NULL, "HPOR"},
 303 };
 304
 305 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = {
 306         {"DMIC1", NULL, "Internal Mic"},
 307 };
 308
 309 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = {
 310         {"DMIC2", NULL, "Internal Mic"},
 311 };
 312
 313 static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = {
 314         {"Internal Mic", NULL, "MICBIAS1"},
 315         {"IN1P", NULL, "Internal Mic"},
 316 };
 317
 318 static const struct snd_soc_dapm_route byt_rt5640_intmic_in3_map[] = {
 319         {"Internal Mic", NULL, "MICBIAS1"},
 320         {"IN3P", NULL, "Internal Mic"},
 321 };
 322
 323 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif1_map[] = {
 324         {"ssp2 Tx", NULL, "codec_out0"},
 325         {"ssp2 Tx", NULL, "codec_out1"},
 326         {"codec_in0", NULL, "ssp2 Rx"},
 327         {"codec_in1", NULL, "ssp2 Rx"},
 328
 329         {"AIF1 Playback", NULL, "ssp2 Tx"},
 330         {"ssp2 Rx", NULL, "AIF1 Capture"},
 331 };
 332
 333 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif2_map[] = {
 334         {"ssp2 Tx", NULL, "codec_out0"},
 335         {"ssp2 Tx", NULL, "codec_out1"},
 336         {"codec_in0", NULL, "ssp2 Rx"},
 337         {"codec_in1", NULL, "ssp2 Rx"},
 338
 339         {"AIF2 Playback", NULL, "ssp2 Tx"},
 340         {"ssp2 Rx", NULL, "AIF2 Capture"},
 341 };
 342
 343 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif1_map[] = {
 344         {"ssp0 Tx", NULL, "modem_out"},
 345         {"modem_in", NULL, "ssp0 Rx"},
 346
 347         {"AIF1 Playback", NULL, "ssp0 Tx"},
 348         {"ssp0 Rx", NULL, "AIF1 Capture"},
 349 };
 350
 351 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif2_map[] = {
 352         {"ssp0 Tx", NULL, "modem_out"},
 353         {"modem_in", NULL, "ssp0 Rx"},
 354
 355         {"AIF2 Playback", NULL, "ssp0 Tx"},
 356         {"ssp0 Rx", NULL, "AIF2 Capture"},
 357 };
 358
 359 static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map[] = {
 360         {"Speaker", NULL, "SPOLP"},
 361         {"Speaker", NULL, "SPOLN"},
 362         {"Speaker", NULL, "SPORP"},
 363         {"Speaker", NULL, "SPORN"},
 364 };
 365
 366 static const struct snd_soc_dapm_route byt_rt5640_mono_spk_map[] = {
 367         {"Speaker", NULL, "SPOLP"},
 368         {"Speaker", NULL, "SPOLN"},
 369 };
 370
 371 static const struct snd_kcontrol_new byt_rt5640_controls[] = {
 372         SOC_DAPM_PIN_SWITCH("Headphone"),
 373         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 374         SOC_DAPM_PIN_SWITCH("Internal Mic"),
 375         SOC_DAPM_PIN_SWITCH("Speaker"),
 376 };
 377
 378 static struct snd_soc_jack_pin rt5640_pins[] = {
 379         {
 380                 .pin    = "Headphone",
 381                 .mask   = SND_JACK_HEADPHONE,
 382         },
 383         {
 384                 .pin    = "Headset Mic",
 385                 .mask   = SND_JACK_MICROPHONE,
 386         },
 387 };
 388
 389 static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream *substream,
 390                                         struct snd_pcm_hw_params *params)
 391 {
 392         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 393         struct snd_soc_dai *dai = rtd->codec_dai;
 394
 395         return byt_rt5640_prepare_and_enable_pll1(dai, params_rate(params));
 396 }
 397
 398 /* Please keep this list alphabetically sorted */
 399 static const struct dmi_system_id byt_rt5640_quirk_table[] = {
 400         {       /* Acer Iconia Tab 8 W1-810 */
 401                 .matches = {
 402                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
 403                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Iconia W1-810"),
 404                 },
 405                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
 406                                         BYT_RT5640_JD_SRC_JD1_IN4P |
 407                                         BYT_RT5640_OVCD_TH_1500UA |
 408                                         BYT_RT5640_OVCD_SF_0P75 |
 409                                         BYT_RT5640_SSP0_AIF1 |
 410                                         BYT_RT5640_MCLK_EN),
 411         },
 412         {
 413                 .matches = {
 414                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 415                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
 416                 },
 417                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 418                                                  BYT_RT5640_MCLK_EN |
 419                                                  BYT_RT5640_SSP0_AIF1),
 420
 421         },
 422         {
 423                 .matches = {
 424                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"),
 425                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 80 Cesium"),
 426                 },
 427                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 428                                         BYT_RT5640_MONO_SPEAKER |
 429                                         BYT_RT5640_SSP0_AIF1 |
 430                                         BYT_RT5640_MCLK_EN),
 431         },
 432         {
 433                 .matches = {
 434                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 435                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
 436                 },
 437                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 438                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 439                                         BYT_RT5640_OVCD_TH_2000UA |
 440                                         BYT_RT5640_OVCD_SF_0P75 |
 441                                         BYT_RT5640_MCLK_EN),
 442         },
 443         {
 444                 .matches = {
 445                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 446                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TAF"),
 447                 },
 448                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 449                                         BYT_RT5640_MONO_SPEAKER |
 450                                         BYT_RT5640_DIFF_MIC |
 451                                         BYT_RT5640_SSP0_AIF2 |
 452                                         BYT_RT5640_MCLK_EN),
 453         },
 454         {       /* Chuwi Vi8 (CWI506) */
 455                 .matches = {
 456                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"),
 457                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "i86"),
 458                         /* The above are too generic, also match BIOS info */
 459                         DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"),
 460                 },
 461                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 462                                         BYT_RT5640_MONO_SPEAKER |
 463                                         BYT_RT5640_SSP0_AIF1 |
 464                                         BYT_RT5640_MCLK_EN),
 465         },
 466         {
 467                 /* Chuwi Vi10 (CWI505) */
 468                 .matches = {
 469                         DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
 470                         DMI_MATCH(DMI_BOARD_NAME, "BYT-PF02"),
 471                         DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
 472                         DMI_MATCH(DMI_PRODUCT_NAME, "S165"),
 473                 },
 474                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 475                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 476                                         BYT_RT5640_OVCD_TH_2000UA |
 477                                         BYT_RT5640_OVCD_SF_0P75 |
 478                                         BYT_RT5640_DIFF_MIC |
 479                                         BYT_RT5640_SSP0_AIF1 |
 480                                         BYT_RT5640_MCLK_EN),
 481         },
 482         {
 483                 .matches = {
 484                         DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"),
 485                         DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"),
 486                 },
 487                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP),
 488         },
 489         {       /* Connect Tablet 9 */
 490                 .matches = {
 491                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Connect"),
 492                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Tablet 9"),
 493                 },
 494                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 495                                         BYT_RT5640_MONO_SPEAKER |
 496                                         BYT_RT5640_SSP0_AIF1 |
 497                                         BYT_RT5640_MCLK_EN),
 498         },
 499         {
 500                 .matches = {
 501                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 502                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"),
 503                 },
 504                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
 505                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 506                                         BYT_RT5640_OVCD_TH_2000UA |
 507                                         BYT_RT5640_OVCD_SF_0P75 |
 508                                         BYT_RT5640_MONO_SPEAKER |
 509                                         BYT_RT5640_MCLK_EN),
 510         },
 511         {
 512                 .matches = {
 513                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 514                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP ElitePad 1000 G2"),
 515                 },
 516                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 517                                         BYT_RT5640_MCLK_EN),
 518         },
 519         {       /* HP Pavilion x2 10-n000nd */
 520                 .matches = {
 521                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 522                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"),
 523                 },
 524                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
 525                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 526                                         BYT_RT5640_OVCD_TH_1500UA |
 527                                         BYT_RT5640_OVCD_SF_0P75 |
 528                                         BYT_RT5640_SSP0_AIF1 |
 529                                         BYT_RT5640_MCLK_EN),
 530         },
 531         {       /* HP Stream 7 */
 532                 .matches = {
 533                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 534                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP Stream 7 Tablet"),
 535                 },
 536                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 537                                         BYT_RT5640_MONO_SPEAKER |
 538                                         BYT_RT5640_JD_NOT_INV |
 539                                         BYT_RT5640_SSP0_AIF1 |
 540                                         BYT_RT5640_MCLK_EN),
 541         },
 542         {       /* I.T.Works TW891 */
 543                 .matches = {
 544                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
 545                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"),
 546                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
 547                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"),
 548                 },
 549                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 550                                         BYT_RT5640_MONO_SPEAKER |
 551                                         BYT_RT5640_SSP0_AIF1 |
 552                                         BYT_RT5640_MCLK_EN),
 553         },
 554         {       /* Lamina I8270 / T701BR.SE */
 555                 .matches = {
 556                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Lamina"),
 557                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "T701BR.SE"),
 558                 },
 559                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 560                                         BYT_RT5640_MONO_SPEAKER |
 561                                         BYT_RT5640_JD_NOT_INV |
 562                                         BYT_RT5640_SSP0_AIF1 |
 563                                         BYT_RT5640_MCLK_EN),
 564         },
 565         {       /* Lenovo Miix 2 8 */
 566                 .matches = {
 567                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 568                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "20326"),
 569                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "Hiking"),
 570                 },
 571                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
 572                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 573                                         BYT_RT5640_OVCD_TH_2000UA |
 574                                         BYT_RT5640_OVCD_SF_0P75 |
 575                                         BYT_RT5640_MONO_SPEAKER |
 576                                         BYT_RT5640_MCLK_EN),
 577         },
 578         {       /* MSI S100 tablet */
 579                 .matches = {
 580                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Micro-Star International Co., Ltd."),
 581                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "S100"),
 582                 },
 583                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 584                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 585                                         BYT_RT5640_OVCD_TH_2000UA |
 586                                         BYT_RT5640_OVCD_SF_0P75 |
 587                                         BYT_RT5640_MONO_SPEAKER |
 588                                         BYT_RT5640_DIFF_MIC |
 589                                         BYT_RT5640_MCLK_EN),
 590         },
 591         {       /* Nuvison/TMax TM800W560 */
 592                 .matches = {
 593                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TMAX"),
 594                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TM800W560L"),
 595                 },
 596                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 597                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 598                                         BYT_RT5640_OVCD_TH_2000UA |
 599                                         BYT_RT5640_OVCD_SF_0P75 |
 600                                         BYT_RT5640_JD_NOT_INV |
 601                                         BYT_RT5640_DIFF_MIC |
 602                                         BYT_RT5640_SSP0_AIF1 |
 603                                         BYT_RT5640_MCLK_EN),
 604         },
 605         {       /* Pipo W4 */
 606                 .matches = {
 607                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 608                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 609                         /* The above are too generic, also match BIOS info */
 610                         DMI_MATCH(DMI_BIOS_VERSION, "V8L_WIN32_CHIPHD"),
 611                 },
 612                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 613                                         BYT_RT5640_MONO_SPEAKER |
 614                                         BYT_RT5640_SSP0_AIF1 |
 615                                         BYT_RT5640_MCLK_EN),
 616         },
 617         {       /* Point of View Mobii TAB-P800W (V2.0) */
 618                 .matches = {
 619                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 620                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 621                         /* The above are too generic, also match BIOS info */
 622                         DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1014"),
 623                         DMI_EXACT_MATCH(DMI_BIOS_DATE, "10/24/2014"),
 624                 },
 625                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 626                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 627                                         BYT_RT5640_OVCD_TH_2000UA |
 628                                         BYT_RT5640_OVCD_SF_0P75 |
 629                                         BYT_RT5640_MONO_SPEAKER |
 630                                         BYT_RT5640_DIFF_MIC |
 631                                         BYT_RT5640_SSP0_AIF2 |
 632                                         BYT_RT5640_MCLK_EN),
 633         },
 634         {       /* Point of View Mobii TAB-P800W (V2.1) */
 635                 .matches = {
 636                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 637                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 638                         /* The above are too generic, also match BIOS info */
 639                         DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1013"),
 640                         DMI_EXACT_MATCH(DMI_BIOS_DATE, "08/22/2014"),
 641                 },
 642                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 643                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 644                                         BYT_RT5640_OVCD_TH_2000UA |
 645                                         BYT_RT5640_OVCD_SF_0P75 |
 646                                         BYT_RT5640_MONO_SPEAKER |
 647                                         BYT_RT5640_DIFF_MIC |
 648                                         BYT_RT5640_SSP0_AIF2 |
 649                                         BYT_RT5640_MCLK_EN),
 650         },
 651         {
 652                 .matches = {
 653                         DMI_MATCH(DMI_BOARD_VENDOR, "TECLAST"),
 654                         DMI_MATCH(DMI_BOARD_NAME, "tPAD"),
 655                 },
 656                 .driver_data = (void *)(BYT_RT5640_IN3_MAP |
 657                                         BYT_RT5640_MCLK_EN |
 658                                         BYT_RT5640_SSP0_AIF1),
 659         },
 660         {       /* Toshiba Satellite Click Mini L9W-B */
 661                 .matches = {
 662                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 663                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SATELLITE Click Mini L9W-B"),
 664                 },
 665                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
 666                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 667                                         BYT_RT5640_OVCD_TH_1500UA |
 668                                         BYT_RT5640_OVCD_SF_0P75 |
 669                                         BYT_RT5640_SSP0_AIF1 |
 670                                         BYT_RT5640_MCLK_EN),
 671         },
 672         {       /* Catch-all for generic Insyde tablets, must be last */
 673                 .matches = {
 674                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 675                 },
 676                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 677                                         BYT_RT5640_MCLK_EN |
 678                                         BYT_RT5640_SSP0_AIF1),
 679
 680         },
 681         {}
 682 };
 683
 684 /*
 685  * Note this MUST be called before snd_soc_register_card(), so that the props
 686  * are in place before the codec component driver's probe function parses them.
 687  */
 688 static int byt_rt5640_add_codec_device_props(const char *i2c_dev_name)
 689 {
 690         struct property_entry props[MAX_NO_PROPS] = {};
 691         struct device *i2c_dev;
 692         int ret, cnt = 0;
 693
 694         i2c_dev = bus_find_device_by_name(&i2c_bus_type, NULL, i2c_dev_name);
 695         if (!i2c_dev)
 696                 return -EPROBE_DEFER;
 697
 698         switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
 699         case BYT_RT5640_DMIC1_MAP:
 700                 props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic1-data-pin",
 701                                                   RT5640_DMIC1_DATA_PIN_IN1P);
 702                 break;
 703         case BYT_RT5640_DMIC2_MAP:
 704                 props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic2-data-pin",
 705                                                   RT5640_DMIC2_DATA_PIN_IN1N);
 706                 break;
 707         case BYT_RT5640_IN1_MAP:
 708                 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
 709                         props[cnt++] =
 710                                 PROPERTY_ENTRY_BOOL("realtek,in1-differential");
 711                 break;
 712         case BYT_RT5640_IN3_MAP:
 713                 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
 714                         props[cnt++] =
 715                                 PROPERTY_ENTRY_BOOL("realtek,in3-differential");
 716                 break;
 717         }
 718
 719         if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
 720                 props[cnt++] = PROPERTY_ENTRY_U32(
 721                                     "realtek,jack-detect-source",
 722                                     BYT_RT5640_JDSRC(byt_rt5640_quirk));
 723
 724                 props[cnt++] = PROPERTY_ENTRY_U32(
 725                                     "realtek,over-current-threshold-microamp",
 726                                     BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100);
 727
 728                 props[cnt++] = PROPERTY_ENTRY_U32(
 729                                     "realtek,over-current-scale-factor",
 730                                     BYT_RT5640_OVCD_SF(byt_rt5640_quirk));
 731         }
 732
 733         if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV)
 734                 props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,jack-detect-not-inverted");
 735
 736         ret = device_add_properties(i2c_dev, props);
 737         put_device(i2c_dev);
 738
 739         return ret;
 740 }
 741
 742 static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
 743 {
 744         struct snd_soc_card *card = runtime->card;
 745         struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
 746         struct snd_soc_component *component = runtime->codec_dai->component;
 747         const struct snd_soc_dapm_route *custom_map;
 748         int num_routes;
 749         int ret;
 750
 751         card->dapm.idle_bias_off = true;
 752
 753         /* Start with RC clk for jack-detect (we disable MCLK below) */
 754         if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN)
 755                 snd_soc_component_update_bits(component, RT5640_GLB_CLK,
 756                         RT5640_SCLK_SRC_MASK, RT5640_SCLK_SRC_RCCLK);
 757
 758         rt5640_sel_asrc_clk_src(component,
 759                                 RT5640_DA_STEREO_FILTER |
 760                                 RT5640_DA_MONO_L_FILTER |
 761                                 RT5640_DA_MONO_R_FILTER |
 762                                 RT5640_AD_STEREO_FILTER |
 763                                 RT5640_AD_MONO_L_FILTER |
 764                                 RT5640_AD_MONO_R_FILTER,
 765                                 RT5640_CLK_SEL_ASRC);
 766
 767         ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
 768                                         ARRAY_SIZE(byt_rt5640_controls));
 769         if (ret) {
 770                 dev_err(card->dev, "unable to add card controls\n");
 771                 return ret;
 772         }
 773
 774         switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
 775         case BYT_RT5640_IN1_MAP:
 776                 custom_map = byt_rt5640_intmic_in1_map;
 777                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map);
 778                 break;
 779         case BYT_RT5640_IN3_MAP:
 780                 custom_map = byt_rt5640_intmic_in3_map;
 781                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in3_map);
 782                 break;
 783         case BYT_RT5640_DMIC2_MAP:
 784                 custom_map = byt_rt5640_intmic_dmic2_map;
 785                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map);
 786                 break;
 787         default:
 788                 custom_map = byt_rt5640_intmic_dmic1_map;
 789                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map);
 790         }
 791
 792         ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
 793         if (ret)
 794                 return ret;
 795
 796         if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
 797                 ret = snd_soc_dapm_add_routes(&card->dapm,
 798                                         byt_rt5640_ssp2_aif2_map,
 799                                         ARRAY_SIZE(byt_rt5640_ssp2_aif2_map));
 800         } else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) {
 801                 ret = snd_soc_dapm_add_routes(&card->dapm,
 802                                         byt_rt5640_ssp0_aif1_map,
 803                                         ARRAY_SIZE(byt_rt5640_ssp0_aif1_map));
 804         } else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) {
 805                 ret = snd_soc_dapm_add_routes(&card->dapm,
 806                                         byt_rt5640_ssp0_aif2_map,
 807                                         ARRAY_SIZE(byt_rt5640_ssp0_aif2_map));
 808         } else {
 809                 ret = snd_soc_dapm_add_routes(&card->dapm,
 810                                         byt_rt5640_ssp2_aif1_map,
 811                                         ARRAY_SIZE(byt_rt5640_ssp2_aif1_map));
 812         }
 813         if (ret)
 814                 return ret;
 815
 816         if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) {
 817                 ret = snd_soc_dapm_add_routes(&card->dapm,
 818                                         byt_rt5640_mono_spk_map,
 819                                         ARRAY_SIZE(byt_rt5640_mono_spk_map));
 820         } else {
 821                 ret = snd_soc_dapm_add_routes(&card->dapm,
 822                                         byt_rt5640_stereo_spk_map,
 823                                         ARRAY_SIZE(byt_rt5640_stereo_spk_map));
 824         }
 825         if (ret)
 826                 return ret;
 827
 828         snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
 829         snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
 830
 831         if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
 832                 /*
 833                  * The firmware might enable the clock at
 834                  * boot (this information may or may not
 835                  * be reflected in the enable clock register).
 836                  * To change the rate we must disable the clock
 837                  * first to cover these cases. Due to common
 838                  * clock framework restrictions that do not allow
 839                  * to disable a clock that has not been enabled,
 840                  * we need to enable the clock first.
 841                  */
 842                 ret = clk_prepare_enable(priv->mclk);
 843                 if (!ret)
 844                         clk_disable_unprepare(priv->mclk);
 845
 846                 if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ)
 847                         ret = clk_set_rate(priv->mclk, 25000000);
 848                 else
 849                         ret = clk_set_rate(priv->mclk, 19200000);
 850
 851                 if (ret) {
 852                         dev_err(card->dev, "unable to set MCLK rate\n");
 853                         return ret;
 854                 }
 855         }
 856
 857         if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
 858                 ret = snd_soc_card_jack_new(card, "Headset",
 859                                             SND_JACK_HEADSET | SND_JACK_BTN_0,
 860                                             &priv->jack, rt5640_pins,
 861                                             ARRAY_SIZE(rt5640_pins));
 862                 if (ret) {
 863                         dev_err(card->dev, "Jack creation failed %d\n", ret);
 864                         return ret;
 865                 }
 866                 snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0,
 867                                  KEY_PLAYPAUSE);
 868                 snd_soc_component_set_jack(component, &priv->jack, NULL);
 869         }
 870
 871         return 0;
 872 }
 873
 874 static const struct snd_soc_pcm_stream byt_rt5640_dai_params = {
 875         .formats = SNDRV_PCM_FMTBIT_S24_LE,
 876         .rate_min = 48000,
 877         .rate_max = 48000,
 878         .channels_min = 2,
 879         .channels_max = 2,
 880 };
 881
 882 static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd,
 883                             struct snd_pcm_hw_params *params)
 884 {
 885         struct snd_interval *rate = hw_param_interval(params,
 886                         SNDRV_PCM_HW_PARAM_RATE);
 887         struct snd_interval *channels = hw_param_interval(params,
 888                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 889         int ret;
 890
 891         /* The DSP will covert the FE rate to 48k, stereo */
 892         rate->min = rate->max = 48000;
 893         channels->min = channels->max = 2;
 894
 895         if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
 896                 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
 897
 898                 /* set SSP0 to 16-bit */
 899                 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
 900
 901                 /*
 902                  * Default mode for SSP configuration is TDM 4 slot, override config
 903                  * with explicit setting to I2S 2ch 16-bit. The word length is set with
 904                  * dai_set_tdm_slot() since there is no other API exposed
 905                  */
 906                 ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
 907                                         SND_SOC_DAIFMT_I2S     |
 908                                         SND_SOC_DAIFMT_NB_NF   |
 909                                         SND_SOC_DAIFMT_CBS_CFS
 910                         );
 911                 if (ret < 0) {
 912                         dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
 913                         return ret;
 914                 }
 915
 916                 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16);
 917                 if (ret < 0) {
 918                         dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
 919                         return ret;
 920                 }
 921
 922         } else {
 923
 924                 /* set SSP2 to 24-bit */
 925                 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
 926
 927                 /*
 928                  * Default mode for SSP configuration is TDM 4 slot, override config
 929                  * with explicit setting to I2S 2ch 24-bit. The word length is set with
 930                  * dai_set_tdm_slot() since there is no other API exposed
 931                  */
 932                 ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
 933                                         SND_SOC_DAIFMT_I2S     |
 934                                         SND_SOC_DAIFMT_NB_NF   |
 935                                         SND_SOC_DAIFMT_CBS_CFS
 936                         );
 937                 if (ret < 0) {
 938                         dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
 939                         return ret;
 940                 }
 941
 942                 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
 943                 if (ret < 0) {
 944                         dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
 945                         return ret;
 946                 }
 947         }
 948         return 0;
 949 }
 950
 951 static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream)
 952 {
 953         return snd_pcm_hw_constraint_single(substream->runtime,
 954                         SNDRV_PCM_HW_PARAM_RATE, 48000);
 955 }
 956
 957 static const struct snd_soc_ops byt_rt5640_aif1_ops = {
 958         .startup = byt_rt5640_aif1_startup,
 959 };
 960
 961 static const struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
 962         .hw_params = byt_rt5640_aif1_hw_params,
 963 };
 964
 965 static struct snd_soc_dai_link byt_rt5640_dais[] = {
 966         [MERR_DPCM_AUDIO] = {
 967                 .name = "Baytrail Audio Port",
 968                 .stream_name = "Baytrail Audio",
 969                 .cpu_dai_name = "media-cpu-dai",
 970                 .codec_dai_name = "snd-soc-dummy-dai",
 971                 .codec_name = "snd-soc-dummy",
 972                 .platform_name = "sst-mfld-platform",
 973                 .nonatomic = true,
 974                 .dynamic = 1,
 975                 .dpcm_playback = 1,
 976                 .dpcm_capture = 1,
 977                 .ops = &byt_rt5640_aif1_ops,
 978         },
 979         [MERR_DPCM_DEEP_BUFFER] = {
 980                 .name = "Deep-Buffer Audio Port",
 981                 .stream_name = "Deep-Buffer Audio",
 982                 .cpu_dai_name = "deepbuffer-cpu-dai",
 983                 .codec_dai_name = "snd-soc-dummy-dai",
 984                 .codec_name = "snd-soc-dummy",
 985                 .platform_name = "sst-mfld-platform",
 986                 .nonatomic = true,
 987                 .dynamic = 1,
 988                 .dpcm_playback = 1,
 989                 .ops = &byt_rt5640_aif1_ops,
 990         },
 991                 /* back ends */
 992         {
 993                 .name = "SSP2-Codec",
 994                 .id = 0,
 995                 .cpu_dai_name = "ssp2-port", /* overwritten for ssp0 routing */
 996                 .platform_name = "sst-mfld-platform",
 997                 .no_pcm = 1,
 998                 .codec_dai_name = "rt5640-aif1", /* changed w/ quirk */
 999                 .codec_name = "i2c-10EC5640:00", /* overwritten with HID */
1000                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
1001                                                 | SND_SOC_DAIFMT_CBS_CFS,
1002                 .be_hw_params_fixup = byt_rt5640_codec_fixup,
1003                 .ignore_suspend = 1,
1004                 .nonatomic = true,
1005                 .dpcm_playback = 1,
1006                 .dpcm_capture = 1,
1007                 .init = byt_rt5640_init,
1008                 .ops = &byt_rt5640_be_ssp2_ops,
1009         },
1010 };
1011
1012 /* SoC card */
1013 static char byt_rt5640_codec_name[SND_ACPI_I2C_ID_LEN];
1014 static char byt_rt5640_codec_aif_name[12]; /*  = "rt5640-aif[1|2]" */
1015 static char byt_rt5640_cpu_dai_name[10]; /*  = "ssp[0|2]-port" */
1016 static char byt_rt5640_long_name[40]; /* = "bytcr-rt5640-*-spk-*-mic" */
1017
1018 static int byt_rt5640_suspend(struct snd_soc_card *card)
1019 {
1020         struct snd_soc_component *component;
1021
1022         if (!BYT_RT5640_JDSRC(byt_rt5640_quirk))
1023                 return 0;
1024
1025         list_for_each_entry(component, &card->component_dev_list, card_list) {
1026                 if (!strcmp(component->name, byt_rt5640_codec_name)) {
1027                         dev_dbg(component->dev, "disabling jack detect before suspend\n");
1028                         snd_soc_component_set_jack(component, NULL, NULL);
1029                         break;
1030                 }
1031         }
1032
1033         return 0;
1034 }
1035
1036 static int byt_rt5640_resume(struct snd_soc_card *card)
1037 {
1038         struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
1039         struct snd_soc_component *component;
1040
1041         if (!BYT_RT5640_JDSRC(byt_rt5640_quirk))
1042                 return 0;
1043
1044         list_for_each_entry(component, &card->component_dev_list, card_list) {
1045                 if (!strcmp(component->name, byt_rt5640_codec_name)) {
1046                         dev_dbg(component->dev, "re-enabling jack detect after resume\n");
1047                         snd_soc_component_set_jack(component, &priv->jack, NULL);
1048                         break;
1049                 }
1050         }
1051
1052         return 0;
1053 }
1054
1055 static struct snd_soc_card byt_rt5640_card = {
1056         .name = "bytcr-rt5640",
1057         .owner = THIS_MODULE,
1058         .dai_link = byt_rt5640_dais,
1059         .num_links = ARRAY_SIZE(byt_rt5640_dais),
1060         .dapm_widgets = byt_rt5640_widgets,
1061         .num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
1062         .dapm_routes = byt_rt5640_audio_map,
1063         .num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
1064         .fully_routed = true,
1065         .suspend_pre = byt_rt5640_suspend,
1066         .resume_post = byt_rt5640_resume,
1067 };
1068
1069 static bool is_valleyview(void)
1070 {
1071         static const struct x86_cpu_id cpu_ids[] = {
1072                 { X86_VENDOR_INTEL, 6, 55 }, /* Valleyview, Bay Trail */
1073                 {}
1074         };
1075
1076         if (!x86_match_cpu(cpu_ids))
1077                 return false;
1078         return true;
1079 }
1080
1081 struct acpi_chan_package {   /* ACPICA seems to require 64 bit integers */
1082         u64 aif_value;       /* 1: AIF1, 2: AIF2 */
1083         u64 mclock_value;    /* usually 25MHz (0x17d7940), ignored */
1084 };
1085
1086 static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
1087 {
1088         const char * const map_name[] = { "dmic1", "dmic2", "in1", "in3" };
1089         const struct dmi_system_id *dmi_id;
1090         struct byt_rt5640_private *priv;
1091         struct snd_soc_acpi_mach *mach;
1092         const char *i2c_name = NULL;
1093         int ret_val = 0;
1094         int dai_index = 0;
1095         int i;
1096
1097         is_bytcr = false;
1098         priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
1099         if (!priv)
1100                 return -ENOMEM;
1101
1102         /* register the soc card */
1103         byt_rt5640_card.dev = &pdev->dev;
1104         mach = byt_rt5640_card.dev->platform_data;
1105         snd_soc_card_set_drvdata(&byt_rt5640_card, priv);
1106
1107         /* fix index of codec dai */
1108         for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) {
1109                 if (!strcmp(byt_rt5640_dais[i].codec_name, "i2c-10EC5640:00")) {
1110                         dai_index = i;
1111                         break;
1112                 }
1113         }
1114
1115         /* fixup codec name based on HID */
1116         i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
1117         if (i2c_name) {
1118                 snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
1119                         "%s%s", "i2c-", i2c_name);
1120
1121                 byt_rt5640_dais[dai_index].codec_name = byt_rt5640_codec_name;
1122         }
1123
1124         /*
1125          * swap SSP0 if bytcr is detected
1126          * (will be overridden if DMI quirk is detected)
1127          */
1128         if (is_valleyview()) {
1129                 struct sst_platform_info *p_info = mach->pdata;
1130                 const struct sst_res_info *res_info = p_info->res_info;
1131
1132                 if (res_info->acpi_ipc_irq_index == 0)
1133                         is_bytcr = true;
1134         }
1135
1136         if (is_bytcr) {
1137                 /*
1138                  * Baytrail CR platforms may have CHAN package in BIOS, try
1139                  * to find relevant routing quirk based as done on Windows
1140                  * platforms. We have to read the information directly from the
1141                  * BIOS, at this stage the card is not created and the links
1142                  * with the codec driver/pdata are non-existent
1143                  */
1144
1145                 struct acpi_chan_package chan_package;
1146
1147                 /* format specified: 2 64-bit integers */
1148                 struct acpi_buffer format = {sizeof("NN"), "NN"};
1149                 struct acpi_buffer state = {0, NULL};
1150                 struct snd_soc_acpi_package_context pkg_ctx;
1151                 bool pkg_found = false;
1152
1153                 state.length = sizeof(chan_package);
1154                 state.pointer = &chan_package;
1155
1156                 pkg_ctx.name = "CHAN";
1157                 pkg_ctx.length = 2;
1158                 pkg_ctx.format = &format;
1159                 pkg_ctx.state = &state;
1160                 pkg_ctx.data_valid = false;
1161
1162                 pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
1163                                                                &pkg_ctx);
1164                 if (pkg_found) {
1165                         if (chan_package.aif_value == 1) {
1166                                 dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
1167                                 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF1;
1168                         } else  if (chan_package.aif_value == 2) {
1169                                 dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
1170                                 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
1171                         } else {
1172                                 dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
1173                                 pkg_found = false;
1174                         }
1175                 }
1176
1177                 if (!pkg_found) {
1178                         /* no BIOS indications, assume SSP0-AIF2 connection */
1179                         byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
1180                 }
1181
1182                 /* change defaults for Baytrail-CR capture */
1183                 byt_rt5640_quirk |= BYTCR_INPUT_DEFAULTS;
1184         } else {
1185                 byt_rt5640_quirk |= BYT_RT5640_DMIC1_MAP |
1186                                     BYT_RT5640_JD_SRC_JD2_IN4N |
1187                                     BYT_RT5640_OVCD_TH_2000UA |
1188                                     BYT_RT5640_OVCD_SF_0P75;
1189         }
1190
1191         /* check quirks before creating card */
1192         dmi_id = dmi_first_match(byt_rt5640_quirk_table);
1193         if (dmi_id)
1194                 byt_rt5640_quirk = (unsigned long)dmi_id->driver_data;
1195         if (quirk_override) {
1196                 dev_info(&pdev->dev, "Overriding quirk 0x%x => 0x%x\n",
1197                          (unsigned int)byt_rt5640_quirk, quirk_override);
1198                 byt_rt5640_quirk = quirk_override;
1199         }
1200
1201         /* Must be called before register_card, also see declaration comment. */
1202         ret_val = byt_rt5640_add_codec_device_props(byt_rt5640_codec_name);
1203         if (ret_val)
1204                 return ret_val;
1205
1206         log_quirks(&pdev->dev);
1207
1208         if ((byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) ||
1209             (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
1210
1211                 /* fixup codec aif name */
1212                 snprintf(byt_rt5640_codec_aif_name,
1213                         sizeof(byt_rt5640_codec_aif_name),
1214                         "%s", "rt5640-aif2");
1215
1216                 byt_rt5640_dais[dai_index].codec_dai_name =
1217                         byt_rt5640_codec_aif_name;
1218         }
1219
1220         if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
1221             (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
1222
1223                 /* fixup cpu dai name name */
1224                 snprintf(byt_rt5640_cpu_dai_name,
1225                         sizeof(byt_rt5640_cpu_dai_name),
1226                         "%s", "ssp0-port");
1227
1228                 byt_rt5640_dais[dai_index].cpu_dai_name =
1229                         byt_rt5640_cpu_dai_name;
1230         }
1231
1232         if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
1233                 priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
1234                 if (IS_ERR(priv->mclk)) {
1235                         ret_val = PTR_ERR(priv->mclk);
1236
1237                         dev_err(&pdev->dev,
1238                                 "Failed to get MCLK from pmc_plt_clk_3: %d\n",
1239                                 ret_val);
1240
1241                         /*
1242                          * Fall back to bit clock usage for -ENOENT (clock not
1243                          * available likely due to missing dependencies), bail
1244                          * for all other errors, including -EPROBE_DEFER
1245                          */
1246                         if (ret_val != -ENOENT)
1247                                 return ret_val;
1248                         byt_rt5640_quirk &= ~BYT_RT5640_MCLK_EN;
1249                 }
1250         }
1251
1252         snprintf(byt_rt5640_long_name, sizeof(byt_rt5640_long_name),
1253                  "bytcr-rt5640-%s-spk-%s-mic",
1254                  (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) ?
1255                         "mono" : "stereo",
1256                  map_name[BYT_RT5640_MAP(byt_rt5640_quirk)]);
1257         byt_rt5640_card.long_name = byt_rt5640_long_name;
1258
1259         ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);
1260
1261         if (ret_val) {
1262                 dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
1263                         ret_val);
1264                 return ret_val;
1265         }
1266         platform_set_drvdata(pdev, &byt_rt5640_card);
1267         return ret_val;
1268 }
1269
1270 static struct platform_driver snd_byt_rt5640_mc_driver = {
1271         .driver = {
1272                 .name = "bytcr_rt5640",
1273         },
1274         .probe = snd_byt_rt5640_mc_probe,
1275 };
1276
1277 module_platform_driver(snd_byt_rt5640_mc_driver);
1278
1279 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
1280 MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
1281 MODULE_LICENSE("GPL v2");
1282 MODULE_ALIAS("platform:bytcr_rt5640");