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         {       /* Linx Linx7 tablet */
 579                 .matches = {
 580                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LINX"),
 581                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LINX7"),
 582                 },
 583                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 584                                         BYT_RT5640_MONO_SPEAKER |
 585                                         BYT_RT5640_JD_NOT_INV |
 586                                         BYT_RT5640_SSP0_AIF1 |
 587                                         BYT_RT5640_MCLK_EN),
 588         },
 589         {       /* MSI S100 tablet */
 590                 .matches = {
 591                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Micro-Star International Co., Ltd."),
 592                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "S100"),
 593                 },
 594                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 595                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 596                                         BYT_RT5640_OVCD_TH_2000UA |
 597                                         BYT_RT5640_OVCD_SF_0P75 |
 598                                         BYT_RT5640_MONO_SPEAKER |
 599                                         BYT_RT5640_DIFF_MIC |
 600                                         BYT_RT5640_MCLK_EN),
 601         },
 602         {       /* Nuvison/TMax TM800W560 */
 603                 .matches = {
 604                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TMAX"),
 605                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TM800W560L"),
 606                 },
 607                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 608                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 609                                         BYT_RT5640_OVCD_TH_2000UA |
 610                                         BYT_RT5640_OVCD_SF_0P75 |
 611                                         BYT_RT5640_JD_NOT_INV |
 612                                         BYT_RT5640_DIFF_MIC |
 613                                         BYT_RT5640_SSP0_AIF1 |
 614                                         BYT_RT5640_MCLK_EN),
 615         },
 616         {       /* Onda v975w */
 617                 .matches = {
 618                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 619                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 620                         /* The above are too generic, also match BIOS info */
 621                         DMI_EXACT_MATCH(DMI_BIOS_VERSION, "5.6.5"),
 622                         DMI_EXACT_MATCH(DMI_BIOS_DATE, "07/25/2014"),
 623                 },
 624                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 625                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 626                                         BYT_RT5640_OVCD_TH_2000UA |
 627                                         BYT_RT5640_OVCD_SF_0P75 |
 628                                         BYT_RT5640_DIFF_MIC |
 629                                         BYT_RT5640_MCLK_EN),
 630         },
 631         {       /* Pipo W4 */
 632                 .matches = {
 633                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 634                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 635                         /* The above are too generic, also match BIOS info */
 636                         DMI_MATCH(DMI_BIOS_VERSION, "V8L_WIN32_CHIPHD"),
 637                 },
 638                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 639                                         BYT_RT5640_MONO_SPEAKER |
 640                                         BYT_RT5640_SSP0_AIF1 |
 641                                         BYT_RT5640_MCLK_EN),
 642         },
 643         {       /* Point of View Mobii TAB-P800W (V2.0) */
 644                 .matches = {
 645                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 646                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 647                         /* The above are too generic, also match BIOS info */
 648                         DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1014"),
 649                         DMI_EXACT_MATCH(DMI_BIOS_DATE, "10/24/2014"),
 650                 },
 651                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 652                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 653                                         BYT_RT5640_OVCD_TH_2000UA |
 654                                         BYT_RT5640_OVCD_SF_0P75 |
 655                                         BYT_RT5640_MONO_SPEAKER |
 656                                         BYT_RT5640_DIFF_MIC |
 657                                         BYT_RT5640_SSP0_AIF2 |
 658                                         BYT_RT5640_MCLK_EN),
 659         },
 660         {       /* Point of View Mobii TAB-P800W (V2.1) */
 661                 .matches = {
 662                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
 663                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
 664                         /* The above are too generic, also match BIOS info */
 665                         DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1013"),
 666                         DMI_EXACT_MATCH(DMI_BIOS_DATE, "08/22/2014"),
 667                 },
 668                 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
 669                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 670                                         BYT_RT5640_OVCD_TH_2000UA |
 671                                         BYT_RT5640_OVCD_SF_0P75 |
 672                                         BYT_RT5640_MONO_SPEAKER |
 673                                         BYT_RT5640_DIFF_MIC |
 674                                         BYT_RT5640_SSP0_AIF2 |
 675                                         BYT_RT5640_MCLK_EN),
 676         },
 677         {
 678                 .matches = {
 679                         DMI_MATCH(DMI_BOARD_VENDOR, "TECLAST"),
 680                         DMI_MATCH(DMI_BOARD_NAME, "tPAD"),
 681                 },
 682                 .driver_data = (void *)(BYT_RT5640_IN3_MAP |
 683                                         BYT_RT5640_MCLK_EN |
 684                                         BYT_RT5640_SSP0_AIF1),
 685         },
 686         {       /* Toshiba Satellite Click Mini L9W-B */
 687                 .matches = {
 688                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 689                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SATELLITE Click Mini L9W-B"),
 690                 },
 691                 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
 692                                         BYT_RT5640_JD_SRC_JD2_IN4N |
 693                                         BYT_RT5640_OVCD_TH_1500UA |
 694                                         BYT_RT5640_OVCD_SF_0P75 |
 695                                         BYT_RT5640_SSP0_AIF1 |
 696                                         BYT_RT5640_MCLK_EN),
 697         },
 698         {       /* Catch-all for generic Insyde tablets, must be last */
 699                 .matches = {
 700                         DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
 701                 },
 702                 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
 703                                         BYT_RT5640_MCLK_EN |
 704                                         BYT_RT5640_SSP0_AIF1),
 705
 706         },
 707         {}
 708 };
 709
 710 /*
 711  * Note this MUST be called before snd_soc_register_card(), so that the props
 712  * are in place before the codec component driver's probe function parses them.
 713  */
 714 static int byt_rt5640_add_codec_device_props(const char *i2c_dev_name)
 715 {
 716         struct property_entry props[MAX_NO_PROPS] = {};
 717         struct device *i2c_dev;
 718         int ret, cnt = 0;
 719
 720         i2c_dev = bus_find_device_by_name(&i2c_bus_type, NULL, i2c_dev_name);
 721         if (!i2c_dev)
 722                 return -EPROBE_DEFER;
 723
 724         switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
 725         case BYT_RT5640_DMIC1_MAP:
 726                 props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic1-data-pin",
 727                                                   RT5640_DMIC1_DATA_PIN_IN1P);
 728                 break;
 729         case BYT_RT5640_DMIC2_MAP:
 730                 props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic2-data-pin",
 731                                                   RT5640_DMIC2_DATA_PIN_IN1N);
 732                 break;
 733         case BYT_RT5640_IN1_MAP:
 734                 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
 735                         props[cnt++] =
 736                                 PROPERTY_ENTRY_BOOL("realtek,in1-differential");
 737                 break;
 738         case BYT_RT5640_IN3_MAP:
 739                 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
 740                         props[cnt++] =
 741                                 PROPERTY_ENTRY_BOOL("realtek,in3-differential");
 742                 break;
 743         }
 744
 745         if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
 746                 props[cnt++] = PROPERTY_ENTRY_U32(
 747                                     "realtek,jack-detect-source",
 748                                     BYT_RT5640_JDSRC(byt_rt5640_quirk));
 749
 750                 props[cnt++] = PROPERTY_ENTRY_U32(
 751                                     "realtek,over-current-threshold-microamp",
 752                                     BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100);
 753
 754                 props[cnt++] = PROPERTY_ENTRY_U32(
 755                                     "realtek,over-current-scale-factor",
 756                                     BYT_RT5640_OVCD_SF(byt_rt5640_quirk));
 757         }
 758
 759         if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV)
 760                 props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,jack-detect-not-inverted");
 761
 762         ret = device_add_properties(i2c_dev, props);
 763         put_device(i2c_dev);
 764
 765         return ret;
 766 }
 767
 768 static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
 769 {
 770         struct snd_soc_card *card = runtime->card;
 771         struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
 772         struct snd_soc_component *component = runtime->codec_dai->component;
 773         const struct snd_soc_dapm_route *custom_map;
 774         int num_routes;
 775         int ret;
 776
 777         card->dapm.idle_bias_off = true;
 778
 779         /* Start with RC clk for jack-detect (we disable MCLK below) */
 780         if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN)
 781                 snd_soc_component_update_bits(component, RT5640_GLB_CLK,
 782                         RT5640_SCLK_SRC_MASK, RT5640_SCLK_SRC_RCCLK);
 783
 784         rt5640_sel_asrc_clk_src(component,
 785                                 RT5640_DA_STEREO_FILTER |
 786                                 RT5640_DA_MONO_L_FILTER |
 787                                 RT5640_DA_MONO_R_FILTER |
 788                                 RT5640_AD_STEREO_FILTER |
 789                                 RT5640_AD_MONO_L_FILTER |
 790                                 RT5640_AD_MONO_R_FILTER,
 791                                 RT5640_CLK_SEL_ASRC);
 792
 793         ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
 794                                         ARRAY_SIZE(byt_rt5640_controls));
 795         if (ret) {
 796                 dev_err(card->dev, "unable to add card controls\n");
 797                 return ret;
 798         }
 799
 800         switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
 801         case BYT_RT5640_IN1_MAP:
 802                 custom_map = byt_rt5640_intmic_in1_map;
 803                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map);
 804                 break;
 805         case BYT_RT5640_IN3_MAP:
 806                 custom_map = byt_rt5640_intmic_in3_map;
 807                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in3_map);
 808                 break;
 809         case BYT_RT5640_DMIC2_MAP:
 810                 custom_map = byt_rt5640_intmic_dmic2_map;
 811                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map);
 812                 break;
 813         default:
 814                 custom_map = byt_rt5640_intmic_dmic1_map;
 815                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map);
 816         }
 817
 818         ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
 819         if (ret)
 820                 return ret;
 821
 822         if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
 823                 ret = snd_soc_dapm_add_routes(&card->dapm,
 824                                         byt_rt5640_ssp2_aif2_map,
 825                                         ARRAY_SIZE(byt_rt5640_ssp2_aif2_map));
 826         } else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) {
 827                 ret = snd_soc_dapm_add_routes(&card->dapm,
 828                                         byt_rt5640_ssp0_aif1_map,
 829                                         ARRAY_SIZE(byt_rt5640_ssp0_aif1_map));
 830         } else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) {
 831                 ret = snd_soc_dapm_add_routes(&card->dapm,
 832                                         byt_rt5640_ssp0_aif2_map,
 833                                         ARRAY_SIZE(byt_rt5640_ssp0_aif2_map));
 834         } else {
 835                 ret = snd_soc_dapm_add_routes(&card->dapm,
 836                                         byt_rt5640_ssp2_aif1_map,
 837                                         ARRAY_SIZE(byt_rt5640_ssp2_aif1_map));
 838         }
 839         if (ret)
 840                 return ret;
 841
 842         if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) {
 843                 ret = snd_soc_dapm_add_routes(&card->dapm,
 844                                         byt_rt5640_mono_spk_map,
 845                                         ARRAY_SIZE(byt_rt5640_mono_spk_map));
 846         } else {
 847                 ret = snd_soc_dapm_add_routes(&card->dapm,
 848                                         byt_rt5640_stereo_spk_map,
 849                                         ARRAY_SIZE(byt_rt5640_stereo_spk_map));
 850         }
 851         if (ret)
 852                 return ret;
 853
 854         snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
 855         snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
 856
 857         if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
 858                 /*
 859                  * The firmware might enable the clock at
 860                  * boot (this information may or may not
 861                  * be reflected in the enable clock register).
 862                  * To change the rate we must disable the clock
 863                  * first to cover these cases. Due to common
 864                  * clock framework restrictions that do not allow
 865                  * to disable a clock that has not been enabled,
 866                  * we need to enable the clock first.
 867                  */
 868                 ret = clk_prepare_enable(priv->mclk);
 869                 if (!ret)
 870                         clk_disable_unprepare(priv->mclk);
 871
 872                 if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ)
 873                         ret = clk_set_rate(priv->mclk, 25000000);
 874                 else
 875                         ret = clk_set_rate(priv->mclk, 19200000);
 876
 877                 if (ret) {
 878                         dev_err(card->dev, "unable to set MCLK rate\n");
 879                         return ret;
 880                 }
 881         }
 882
 883         if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
 884                 ret = snd_soc_card_jack_new(card, "Headset",
 885                                             SND_JACK_HEADSET | SND_JACK_BTN_0,
 886                                             &priv->jack, rt5640_pins,
 887                                             ARRAY_SIZE(rt5640_pins));
 888                 if (ret) {
 889                         dev_err(card->dev, "Jack creation failed %d\n", ret);
 890                         return ret;
 891                 }
 892                 snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0,
 893                                  KEY_PLAYPAUSE);
 894                 snd_soc_component_set_jack(component, &priv->jack, NULL);
 895         }
 896
 897         return 0;
 898 }
 899
 900 static const struct snd_soc_pcm_stream byt_rt5640_dai_params = {
 901         .formats = SNDRV_PCM_FMTBIT_S24_LE,
 902         .rate_min = 48000,
 903         .rate_max = 48000,
 904         .channels_min = 2,
 905         .channels_max = 2,
 906 };
 907
 908 static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd,
 909                             struct snd_pcm_hw_params *params)
 910 {
 911         struct snd_interval *rate = hw_param_interval(params,
 912                         SNDRV_PCM_HW_PARAM_RATE);
 913         struct snd_interval *channels = hw_param_interval(params,
 914                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 915         int ret;
 916
 917         /* The DSP will covert the FE rate to 48k, stereo */
 918         rate->min = rate->max = 48000;
 919         channels->min = channels->max = 2;
 920
 921         if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
 922                 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
 923
 924                 /* set SSP0 to 16-bit */
 925                 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
 926
 927                 /*
 928                  * Default mode for SSP configuration is TDM 4 slot, override config
 929                  * with explicit setting to I2S 2ch 16-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, 16);
 943                 if (ret < 0) {
 944                         dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
 945                         return ret;
 946                 }
 947
 948         } else {
 949
 950                 /* set SSP2 to 24-bit */
 951                 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
 952
 953                 /*
 954                  * Default mode for SSP configuration is TDM 4 slot, override config
 955                  * with explicit setting to I2S 2ch 24-bit. The word length is set with
 956                  * dai_set_tdm_slot() since there is no other API exposed
 957                  */
 958                 ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
 959                                         SND_SOC_DAIFMT_I2S     |
 960                                         SND_SOC_DAIFMT_NB_NF   |
 961                                         SND_SOC_DAIFMT_CBS_CFS
 962                         );
 963                 if (ret < 0) {
 964                         dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
 965                         return ret;
 966                 }
 967
 968                 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
 969                 if (ret < 0) {
 970                         dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
 971                         return ret;
 972                 }
 973         }
 974         return 0;
 975 }
 976
 977 static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream)
 978 {
 979         return snd_pcm_hw_constraint_single(substream->runtime,
 980                         SNDRV_PCM_HW_PARAM_RATE, 48000);
 981 }
 982
 983 static const struct snd_soc_ops byt_rt5640_aif1_ops = {
 984         .startup = byt_rt5640_aif1_startup,
 985 };
 986
 987 static const struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
 988         .hw_params = byt_rt5640_aif1_hw_params,
 989 };
 990
 991 static struct snd_soc_dai_link byt_rt5640_dais[] = {
 992         [MERR_DPCM_AUDIO] = {
 993                 .name = "Baytrail Audio Port",
 994                 .stream_name = "Baytrail Audio",
 995                 .cpu_dai_name = "media-cpu-dai",
 996                 .codec_dai_name = "snd-soc-dummy-dai",
 997                 .codec_name = "snd-soc-dummy",
 998                 .platform_name = "sst-mfld-platform",
 999                 .nonatomic = true,
1000                 .dynamic = 1,
1001                 .dpcm_playback = 1,
1002                 .dpcm_capture = 1,
1003                 .ops = &byt_rt5640_aif1_ops,
1004         },
1005         [MERR_DPCM_DEEP_BUFFER] = {
1006                 .name = "Deep-Buffer Audio Port",
1007                 .stream_name = "Deep-Buffer Audio",
1008                 .cpu_dai_name = "deepbuffer-cpu-dai",
1009                 .codec_dai_name = "snd-soc-dummy-dai",
1010                 .codec_name = "snd-soc-dummy",
1011                 .platform_name = "sst-mfld-platform",
1012                 .nonatomic = true,
1013                 .dynamic = 1,
1014                 .dpcm_playback = 1,
1015                 .ops = &byt_rt5640_aif1_ops,
1016         },
1017                 /* back ends */
1018         {
1019                 .name = "SSP2-Codec",
1020                 .id = 0,
1021                 .cpu_dai_name = "ssp2-port", /* overwritten for ssp0 routing */
1022                 .platform_name = "sst-mfld-platform",
1023                 .no_pcm = 1,
1024                 .codec_dai_name = "rt5640-aif1", /* changed w/ quirk */
1025                 .codec_name = "i2c-10EC5640:00", /* overwritten with HID */
1026                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
1027                                                 | SND_SOC_DAIFMT_CBS_CFS,
1028                 .be_hw_params_fixup = byt_rt5640_codec_fixup,
1029                 .ignore_suspend = 1,
1030                 .nonatomic = true,
1031                 .dpcm_playback = 1,
1032                 .dpcm_capture = 1,
1033                 .init = byt_rt5640_init,
1034                 .ops = &byt_rt5640_be_ssp2_ops,
1035         },
1036 };
1037
1038 /* SoC card */
1039 static char byt_rt5640_codec_name[SND_ACPI_I2C_ID_LEN];
1040 static char byt_rt5640_codec_aif_name[12]; /*  = "rt5640-aif[1|2]" */
1041 static char byt_rt5640_cpu_dai_name[10]; /*  = "ssp[0|2]-port" */
1042 static char byt_rt5640_long_name[40]; /* = "bytcr-rt5640-*-spk-*-mic" */
1043
1044 static int byt_rt5640_suspend(struct snd_soc_card *card)
1045 {
1046         struct snd_soc_component *component;
1047
1048         if (!BYT_RT5640_JDSRC(byt_rt5640_quirk))
1049                 return 0;
1050
1051         list_for_each_entry(component, &card->component_dev_list, card_list) {
1052                 if (!strcmp(component->name, byt_rt5640_codec_name)) {
1053                         dev_dbg(component->dev, "disabling jack detect before suspend\n");
1054                         snd_soc_component_set_jack(component, NULL, NULL);
1055                         break;
1056                 }
1057         }
1058
1059         return 0;
1060 }
1061
1062 static int byt_rt5640_resume(struct snd_soc_card *card)
1063 {
1064         struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
1065         struct snd_soc_component *component;
1066
1067         if (!BYT_RT5640_JDSRC(byt_rt5640_quirk))
1068                 return 0;
1069
1070         list_for_each_entry(component, &card->component_dev_list, card_list) {
1071                 if (!strcmp(component->name, byt_rt5640_codec_name)) {
1072                         dev_dbg(component->dev, "re-enabling jack detect after resume\n");
1073                         snd_soc_component_set_jack(component, &priv->jack, NULL);
1074                         break;
1075                 }
1076         }
1077
1078         return 0;
1079 }
1080
1081 static struct snd_soc_card byt_rt5640_card = {
1082         .name = "bytcr-rt5640",
1083         .owner = THIS_MODULE,
1084         .dai_link = byt_rt5640_dais,
1085         .num_links = ARRAY_SIZE(byt_rt5640_dais),
1086         .dapm_widgets = byt_rt5640_widgets,
1087         .num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
1088         .dapm_routes = byt_rt5640_audio_map,
1089         .num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
1090         .fully_routed = true,
1091         .suspend_pre = byt_rt5640_suspend,
1092         .resume_post = byt_rt5640_resume,
1093 };
1094
1095 static bool is_valleyview(void)
1096 {
1097         static const struct x86_cpu_id cpu_ids[] = {
1098                 { X86_VENDOR_INTEL, 6, 55 }, /* Valleyview, Bay Trail */
1099                 {}
1100         };
1101
1102         if (!x86_match_cpu(cpu_ids))
1103                 return false;
1104         return true;
1105 }
1106
1107 struct acpi_chan_package {   /* ACPICA seems to require 64 bit integers */
1108         u64 aif_value;       /* 1: AIF1, 2: AIF2 */
1109         u64 mclock_value;    /* usually 25MHz (0x17d7940), ignored */
1110 };
1111
1112 static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
1113 {
1114         const char * const map_name[] = { "dmic1", "dmic2", "in1", "in3" };
1115         const struct dmi_system_id *dmi_id;
1116         struct byt_rt5640_private *priv;
1117         struct snd_soc_acpi_mach *mach;
1118         const char *i2c_name = NULL;
1119         int ret_val = 0;
1120         int dai_index = 0;
1121         int i;
1122
1123         is_bytcr = false;
1124         priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
1125         if (!priv)
1126                 return -ENOMEM;
1127
1128         /* register the soc card */
1129         byt_rt5640_card.dev = &pdev->dev;
1130         mach = byt_rt5640_card.dev->platform_data;
1131         snd_soc_card_set_drvdata(&byt_rt5640_card, priv);
1132
1133         /* fix index of codec dai */
1134         for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) {
1135                 if (!strcmp(byt_rt5640_dais[i].codec_name, "i2c-10EC5640:00")) {
1136                         dai_index = i;
1137                         break;
1138                 }
1139         }
1140
1141         /* fixup codec name based on HID */
1142         i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
1143         if (i2c_name) {
1144                 snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
1145                         "%s%s", "i2c-", i2c_name);
1146
1147                 byt_rt5640_dais[dai_index].codec_name = byt_rt5640_codec_name;
1148         }
1149
1150         /*
1151          * swap SSP0 if bytcr is detected
1152          * (will be overridden if DMI quirk is detected)
1153          */
1154         if (is_valleyview()) {
1155                 struct sst_platform_info *p_info = mach->pdata;
1156                 const struct sst_res_info *res_info = p_info->res_info;
1157
1158                 if (res_info->acpi_ipc_irq_index == 0)
1159                         is_bytcr = true;
1160         }
1161
1162         if (is_bytcr) {
1163                 /*
1164                  * Baytrail CR platforms may have CHAN package in BIOS, try
1165                  * to find relevant routing quirk based as done on Windows
1166                  * platforms. We have to read the information directly from the
1167                  * BIOS, at this stage the card is not created and the links
1168                  * with the codec driver/pdata are non-existent
1169                  */
1170
1171                 struct acpi_chan_package chan_package;
1172
1173                 /* format specified: 2 64-bit integers */
1174                 struct acpi_buffer format = {sizeof("NN"), "NN"};
1175                 struct acpi_buffer state = {0, NULL};
1176                 struct snd_soc_acpi_package_context pkg_ctx;
1177                 bool pkg_found = false;
1178
1179                 state.length = sizeof(chan_package);
1180                 state.pointer = &chan_package;
1181
1182                 pkg_ctx.name = "CHAN";
1183                 pkg_ctx.length = 2;
1184                 pkg_ctx.format = &format;
1185                 pkg_ctx.state = &state;
1186                 pkg_ctx.data_valid = false;
1187
1188                 pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
1189                                                                &pkg_ctx);
1190                 if (pkg_found) {
1191                         if (chan_package.aif_value == 1) {
1192                                 dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
1193                                 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF1;
1194                         } else  if (chan_package.aif_value == 2) {
1195                                 dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
1196                                 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
1197                         } else {
1198                                 dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
1199                                 pkg_found = false;
1200                         }
1201                 }
1202
1203                 if (!pkg_found) {
1204                         /* no BIOS indications, assume SSP0-AIF2 connection */
1205                         byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
1206                 }
1207
1208                 /* change defaults for Baytrail-CR capture */
1209                 byt_rt5640_quirk |= BYTCR_INPUT_DEFAULTS;
1210         } else {
1211                 byt_rt5640_quirk |= BYT_RT5640_DMIC1_MAP |
1212                                     BYT_RT5640_JD_SRC_JD2_IN4N |
1213                                     BYT_RT5640_OVCD_TH_2000UA |
1214                                     BYT_RT5640_OVCD_SF_0P75;
1215         }
1216
1217         /* check quirks before creating card */
1218         dmi_id = dmi_first_match(byt_rt5640_quirk_table);
1219         if (dmi_id)
1220                 byt_rt5640_quirk = (unsigned long)dmi_id->driver_data;
1221         if (quirk_override) {
1222                 dev_info(&pdev->dev, "Overriding quirk 0x%x => 0x%x\n",
1223                          (unsigned int)byt_rt5640_quirk, quirk_override);
1224                 byt_rt5640_quirk = quirk_override;
1225         }
1226
1227         /* Must be called before register_card, also see declaration comment. */
1228         ret_val = byt_rt5640_add_codec_device_props(byt_rt5640_codec_name);
1229         if (ret_val)
1230                 return ret_val;
1231
1232         log_quirks(&pdev->dev);
1233
1234         if ((byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) ||
1235             (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
1236
1237                 /* fixup codec aif name */
1238                 snprintf(byt_rt5640_codec_aif_name,
1239                         sizeof(byt_rt5640_codec_aif_name),
1240                         "%s", "rt5640-aif2");
1241
1242                 byt_rt5640_dais[dai_index].codec_dai_name =
1243                         byt_rt5640_codec_aif_name;
1244         }
1245
1246         if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
1247             (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
1248
1249                 /* fixup cpu dai name name */
1250                 snprintf(byt_rt5640_cpu_dai_name,
1251                         sizeof(byt_rt5640_cpu_dai_name),
1252                         "%s", "ssp0-port");
1253
1254                 byt_rt5640_dais[dai_index].cpu_dai_name =
1255                         byt_rt5640_cpu_dai_name;
1256         }
1257
1258         if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
1259                 priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
1260                 if (IS_ERR(priv->mclk)) {
1261                         ret_val = PTR_ERR(priv->mclk);
1262
1263                         dev_err(&pdev->dev,
1264                                 "Failed to get MCLK from pmc_plt_clk_3: %d\n",
1265                                 ret_val);
1266
1267                         /*
1268                          * Fall back to bit clock usage for -ENOENT (clock not
1269                          * available likely due to missing dependencies), bail
1270                          * for all other errors, including -EPROBE_DEFER
1271                          */
1272                         if (ret_val != -ENOENT)
1273                                 return ret_val;
1274                         byt_rt5640_quirk &= ~BYT_RT5640_MCLK_EN;
1275                 }
1276         }
1277
1278         snprintf(byt_rt5640_long_name, sizeof(byt_rt5640_long_name),
1279                  "bytcr-rt5640-%s-spk-%s-mic",
1280                  (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) ?
1281                         "mono" : "stereo",
1282                  map_name[BYT_RT5640_MAP(byt_rt5640_quirk)]);
1283         byt_rt5640_card.long_name = byt_rt5640_long_name;
1284
1285         ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);
1286
1287         if (ret_val) {
1288                 dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
1289                         ret_val);
1290                 return ret_val;
1291         }
1292         platform_set_drvdata(pdev, &byt_rt5640_card);
1293         return ret_val;
1294 }
1295
1296 static struct platform_driver snd_byt_rt5640_mc_driver = {
1297         .driver = {
1298                 .name = "bytcr_rt5640",
1299         },
1300         .probe = snd_byt_rt5640_mc_probe,
1301 };
1302
1303 module_platform_driver(snd_byt_rt5640_mc_driver);
1304
1305 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
1306 MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
1307 MODULE_LICENSE("GPL v2");
1308 MODULE_ALIAS("platform:bytcr_rt5640");