sound/soc/intel/boards/bytcr_rt5651.c

   1 /*
   2  *  bytcr_rt5651.c - ASoc Machine driver for Intel Byt CR platform
   3  *  (derived from bytcr_rt5640.c)
   4  *
   5  *  Copyright (C) 2015 Intel Corp
   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/init.h>
  21 #include <linux/i2c.h>
  22 #include <linux/module.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/property.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/gpio/consumer.h>
  31 #include <linux/gpio/machine.h>
  32 #include <linux/slab.h>
  33 #include <asm/cpu_device_id.h>
  34 #include <asm/intel-family.h>
  35 #include <asm/platform_sst_audio.h>
  36 #include <sound/pcm.h>
  37 #include <sound/pcm_params.h>
  38 #include <sound/soc.h>
  39 #include <sound/jack.h>
  40 #include <sound/soc-acpi.h>
  41 #include "../../codecs/rt5651.h"
  42 #include "../atom/sst-atom-controls.h"
  43
  44 enum {
  45         BYT_RT5651_DMIC_MAP,
  46         BYT_RT5651_IN1_MAP,
  47         BYT_RT5651_IN2_MAP,
  48         BYT_RT5651_IN1_IN2_MAP,
  49 };
  50
  51 enum {
  52         BYT_RT5651_JD_NULL      = (RT5651_JD_NULL << 4),
  53         BYT_RT5651_JD1_1        = (RT5651_JD1_1 << 4),
  54         BYT_RT5651_JD1_2        = (RT5651_JD1_2 << 4),
  55         BYT_RT5651_JD2          = (RT5651_JD2 << 4),
  56 };
  57
  58 enum {
  59         BYT_RT5651_OVCD_TH_600UA  = (6 << 8),
  60         BYT_RT5651_OVCD_TH_1500UA = (15 << 8),
  61         BYT_RT5651_OVCD_TH_2000UA = (20 << 8),
  62 };
  63
  64 enum {
  65         BYT_RT5651_OVCD_SF_0P5  = (RT5651_OVCD_SF_0P5 << 13),
  66         BYT_RT5651_OVCD_SF_0P75 = (RT5651_OVCD_SF_0P75 << 13),
  67         BYT_RT5651_OVCD_SF_1P0  = (RT5651_OVCD_SF_1P0 << 13),
  68         BYT_RT5651_OVCD_SF_1P5  = (RT5651_OVCD_SF_1P5 << 13),
  69 };
  70
  71 #define BYT_RT5651_MAP(quirk)           ((quirk) & GENMASK(3, 0))
  72 #define BYT_RT5651_JDSRC(quirk)         (((quirk) & GENMASK(7, 4)) >> 4)
  73 #define BYT_RT5651_OVCD_TH(quirk)       (((quirk) & GENMASK(12, 8)) >> 8)
  74 #define BYT_RT5651_OVCD_SF(quirk)       (((quirk) & GENMASK(14, 13)) >> 13)
  75 #define BYT_RT5651_DMIC_EN              BIT(16)
  76 #define BYT_RT5651_MCLK_EN              BIT(17)
  77 #define BYT_RT5651_MCLK_25MHZ           BIT(18)
  78 #define BYT_RT5651_SSP2_AIF2            BIT(19) /* default is using AIF1  */
  79 #define BYT_RT5651_SSP0_AIF1            BIT(20)
  80 #define BYT_RT5651_SSP0_AIF2            BIT(21)
  81 #define BYT_RT5651_HP_LR_SWAPPED        BIT(22)
  82 #define BYT_RT5651_MONO_SPEAKER         BIT(23)
  83
  84 #define BYT_RT5651_DEFAULT_QUIRKS       (BYT_RT5651_MCLK_EN | \
  85                                          BYT_RT5651_JD1_1   | \
  86                                          BYT_RT5651_OVCD_TH_2000UA | \
  87                                          BYT_RT5651_OVCD_SF_0P75)
  88
  89 /* jack-detect-source + dmic-en + ovcd-th + -sf + terminating empty entry */
  90 #define MAX_NO_PROPS 5
  91
  92 struct byt_rt5651_private {
  93         struct clk *mclk;
  94         struct gpio_desc *ext_amp_gpio;
  95         struct snd_soc_jack jack;
  96 };
  97
  98 /* Default: jack-detect on JD1_1, internal mic on in2, headsetmic on in3 */
  99 static unsigned long byt_rt5651_quirk = BYT_RT5651_DEFAULT_QUIRKS |
 100                                         BYT_RT5651_IN2_MAP;
 101
 102 static void log_quirks(struct device *dev)
 103 {
 104         if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_DMIC_MAP)
 105                 dev_info(dev, "quirk DMIC_MAP enabled");
 106         if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_MAP)
 107                 dev_info(dev, "quirk IN1_MAP enabled");
 108         if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN2_MAP)
 109                 dev_info(dev, "quirk IN2_MAP enabled");
 110         if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_IN2_MAP)
 111                 dev_info(dev, "quirk IN1_IN2_MAP enabled");
 112         if (BYT_RT5651_JDSRC(byt_rt5651_quirk)) {
 113                 dev_info(dev, "quirk realtek,jack-detect-source %ld\n",
 114                          BYT_RT5651_JDSRC(byt_rt5651_quirk));
 115                 dev_info(dev, "quirk realtek,over-current-threshold-microamp %ld\n",
 116                          BYT_RT5651_OVCD_TH(byt_rt5651_quirk) * 100);
 117                 dev_info(dev, "quirk realtek,over-current-scale-factor %ld\n",
 118                          BYT_RT5651_OVCD_SF(byt_rt5651_quirk));
 119         }
 120         if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN)
 121                 dev_info(dev, "quirk DMIC enabled");
 122         if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
 123                 dev_info(dev, "quirk MCLK_EN enabled");
 124         if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
 125                 dev_info(dev, "quirk MCLK_25MHZ enabled");
 126         if (byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2)
 127                 dev_info(dev, "quirk SSP2_AIF2 enabled\n");
 128         if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1)
 129                 dev_info(dev, "quirk SSP0_AIF1 enabled\n");
 130         if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)
 131                 dev_info(dev, "quirk SSP0_AIF2 enabled\n");
 132         if (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER)
 133                 dev_info(dev, "quirk MONO_SPEAKER enabled\n");
 134 }
 135
 136 #define BYT_CODEC_DAI1  "rt5651-aif1"
 137 #define BYT_CODEC_DAI2  "rt5651-aif2"
 138
 139 static int byt_rt5651_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai,
 140                                               int rate, int bclk_ratio)
 141 {
 142         int clk_id, clk_freq, ret;
 143
 144         /* Configure the PLL before selecting it */
 145         if (!(byt_rt5651_quirk & BYT_RT5651_MCLK_EN)) {
 146                 clk_id = RT5651_PLL1_S_BCLK1,
 147                 clk_freq = rate * bclk_ratio;
 148         } else {
 149                 clk_id = RT5651_PLL1_S_MCLK;
 150                 if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
 151                         clk_freq = 25000000;
 152                 else
 153                         clk_freq = 19200000;
 154         }
 155         ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, rate * 512);
 156         if (ret < 0) {
 157                 dev_err(codec_dai->component->dev, "can't set pll: %d\n", ret);
 158                 return ret;
 159         }
 160
 161         ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_PLL1,
 162                                      rate * 512, SND_SOC_CLOCK_IN);
 163         if (ret < 0) {
 164                 dev_err(codec_dai->component->dev, "can't set clock %d\n", ret);
 165                 return ret;
 166         }
 167
 168         return 0;
 169 }
 170
 171 static int platform_clock_control(struct snd_soc_dapm_widget *w,
 172                                   struct snd_kcontrol *k, int  event)
 173 {
 174         struct snd_soc_dapm_context *dapm = w->dapm;
 175         struct snd_soc_card *card = dapm->card;
 176         struct snd_soc_dai *codec_dai;
 177         struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
 178         int ret;
 179
 180         codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI1);
 181         if (!codec_dai)
 182                 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI2);
 183         if (!codec_dai) {
 184                 dev_err(card->dev,
 185                         "Codec dai not found; Unable to set platform clock\n");
 186                 return -EIO;
 187         }
 188
 189         if (SND_SOC_DAPM_EVENT_ON(event)) {
 190                 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
 191                         ret = clk_prepare_enable(priv->mclk);
 192                         if (ret < 0) {
 193                                 dev_err(card->dev,
 194                                         "could not configure MCLK state");
 195                                 return ret;
 196                         }
 197                 }
 198                 ret = byt_rt5651_prepare_and_enable_pll1(codec_dai, 48000, 50);
 199         } else {
 200                 /*
 201                  * Set codec clock source to internal clock before
 202                  * turning off the platform clock. Codec needs clock
 203                  * for Jack detection and button press
 204                  */
 205                 ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_RCCLK,
 206                                              48000 * 512,
 207                                              SND_SOC_CLOCK_IN);
 208                 if (!ret)
 209                         if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
 210                                 clk_disable_unprepare(priv->mclk);
 211         }
 212
 213         if (ret < 0) {
 214                 dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
 215                 return ret;
 216         }
 217
 218         return 0;
 219 }
 220
 221 static int rt5651_ext_amp_power_event(struct snd_soc_dapm_widget *w,
 222         struct snd_kcontrol *kcontrol, int event)
 223 {
 224         struct snd_soc_card *card = w->dapm->card;
 225         struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
 226
 227         if (SND_SOC_DAPM_EVENT_ON(event))
 228                 gpiod_set_value_cansleep(priv->ext_amp_gpio, 1);
 229         else
 230                 gpiod_set_value_cansleep(priv->ext_amp_gpio, 0);
 231
 232         return 0;
 233 }
 234
 235 static const struct snd_soc_dapm_widget byt_rt5651_widgets[] = {
 236         SND_SOC_DAPM_HP("Headphone", NULL),
 237         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 238         SND_SOC_DAPM_MIC("Internal Mic", NULL),
 239         SND_SOC_DAPM_SPK("Speaker", NULL),
 240         SND_SOC_DAPM_LINE("Line In", NULL),
 241         SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
 242                             platform_clock_control, SND_SOC_DAPM_PRE_PMU |
 243                             SND_SOC_DAPM_POST_PMD),
 244         SND_SOC_DAPM_SUPPLY("Ext Amp Power", SND_SOC_NOPM, 0, 0,
 245                             rt5651_ext_amp_power_event,
 246                             SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 247 };
 248
 249 static const struct snd_soc_dapm_route byt_rt5651_audio_map[] = {
 250         {"Headphone", NULL, "Platform Clock"},
 251         {"Headset Mic", NULL, "Platform Clock"},
 252         {"Internal Mic", NULL, "Platform Clock"},
 253         {"Speaker", NULL, "Platform Clock"},
 254         {"Speaker", NULL, "Ext Amp Power"},
 255         {"Line In", NULL, "Platform Clock"},
 256
 257         {"Headset Mic", NULL, "micbias1"}, /* lowercase for rt5651 */
 258         {"Headphone", NULL, "HPOL"},
 259         {"Headphone", NULL, "HPOR"},
 260         {"Speaker", NULL, "LOUTL"},
 261         {"Speaker", NULL, "LOUTR"},
 262         {"IN2P", NULL, "Line In"},
 263         {"IN2N", NULL, "Line In"},
 264
 265 };
 266
 267 static const struct snd_soc_dapm_route byt_rt5651_intmic_dmic_map[] = {
 268         {"DMIC L1", NULL, "Internal Mic"},
 269         {"DMIC R1", NULL, "Internal Mic"},
 270         {"IN3P", NULL, "Headset Mic"},
 271 };
 272
 273 static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_map[] = {
 274         {"Internal Mic", NULL, "micbias1"},
 275         {"IN1P", NULL, "Internal Mic"},
 276         {"IN3P", NULL, "Headset Mic"},
 277 };
 278
 279 static const struct snd_soc_dapm_route byt_rt5651_intmic_in2_map[] = {
 280         {"Internal Mic", NULL, "micbias1"},
 281         {"IN2P", NULL, "Internal Mic"},
 282         {"IN3P", NULL, "Headset Mic"},
 283 };
 284
 285 static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_in2_map[] = {
 286         {"Internal Mic", NULL, "micbias1"},
 287         {"IN1P", NULL, "Internal Mic"},
 288         {"IN2P", NULL, "Internal Mic"},
 289         {"IN3P", NULL, "Headset Mic"},
 290 };
 291
 292 static const struct snd_soc_dapm_route byt_rt5651_ssp0_aif1_map[] = {
 293         {"ssp0 Tx", NULL, "modem_out"},
 294         {"modem_in", NULL, "ssp0 Rx"},
 295
 296         {"AIF1 Playback", NULL, "ssp0 Tx"},
 297         {"ssp0 Rx", NULL, "AIF1 Capture"},
 298 };
 299
 300 static const struct snd_soc_dapm_route byt_rt5651_ssp0_aif2_map[] = {
 301         {"ssp0 Tx", NULL, "modem_out"},
 302         {"modem_in", NULL, "ssp0 Rx"},
 303
 304         {"AIF2 Playback", NULL, "ssp0 Tx"},
 305         {"ssp0 Rx", NULL, "AIF2 Capture"},
 306 };
 307
 308 static const struct snd_soc_dapm_route byt_rt5651_ssp2_aif1_map[] = {
 309         {"ssp2 Tx", NULL, "codec_out0"},
 310         {"ssp2 Tx", NULL, "codec_out1"},
 311         {"codec_in0", NULL, "ssp2 Rx"},
 312         {"codec_in1", NULL, "ssp2 Rx"},
 313
 314         {"AIF1 Playback", NULL, "ssp2 Tx"},
 315         {"ssp2 Rx", NULL, "AIF1 Capture"},
 316 };
 317
 318 static const struct snd_soc_dapm_route byt_rt5651_ssp2_aif2_map[] = {
 319         {"ssp2 Tx", NULL, "codec_out0"},
 320         {"ssp2 Tx", NULL, "codec_out1"},
 321         {"codec_in0", NULL, "ssp2 Rx"},
 322         {"codec_in1", NULL, "ssp2 Rx"},
 323
 324         {"AIF2 Playback", NULL, "ssp2 Tx"},
 325         {"ssp2 Rx", NULL, "AIF2 Capture"},
 326 };
 327
 328 static const struct snd_kcontrol_new byt_rt5651_controls[] = {
 329         SOC_DAPM_PIN_SWITCH("Headphone"),
 330         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 331         SOC_DAPM_PIN_SWITCH("Internal Mic"),
 332         SOC_DAPM_PIN_SWITCH("Speaker"),
 333         SOC_DAPM_PIN_SWITCH("Line In"),
 334 };
 335
 336 static struct snd_soc_jack_pin bytcr_jack_pins[] = {
 337         {
 338                 .pin    = "Headphone",
 339                 .mask   = SND_JACK_HEADPHONE,
 340         },
 341         {
 342                 .pin    = "Headset Mic",
 343                 .mask   = SND_JACK_MICROPHONE,
 344         },
 345 };
 346
 347 static int byt_rt5651_aif1_hw_params(struct snd_pcm_substream *substream,
 348                                         struct snd_pcm_hw_params *params)
 349 {
 350         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 351         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 352         snd_pcm_format_t format = params_format(params);
 353         int rate = params_rate(params);
 354         int bclk_ratio;
 355
 356         if (format == SNDRV_PCM_FORMAT_S16_LE)
 357                 bclk_ratio = 32;
 358         else
 359                 bclk_ratio = 50;
 360
 361         return byt_rt5651_prepare_and_enable_pll1(codec_dai, rate, bclk_ratio);
 362 }
 363
 364 static int byt_rt5651_quirk_cb(const struct dmi_system_id *id)
 365 {
 366         byt_rt5651_quirk = (unsigned long)id->driver_data;
 367         return 1;
 368 }
 369
 370 static const struct dmi_system_id byt_rt5651_quirk_table[] = {
 371         {
 372                 /* Chuwi Hi8 Pro (CWI513) */
 373                 .callback = byt_rt5651_quirk_cb,
 374                 .matches = {
 375                         DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
 376                         DMI_MATCH(DMI_PRODUCT_NAME, "X1D3_C806N"),
 377                 },
 378                 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
 379                                         BYT_RT5651_IN2_MAP |
 380                                         BYT_RT5651_HP_LR_SWAPPED |
 381                                         BYT_RT5651_MONO_SPEAKER),
 382         },
 383         {
 384                 /* Chuwi Vi8 Plus (CWI519) */
 385                 .callback = byt_rt5651_quirk_cb,
 386                 .matches = {
 387                         DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
 388                         DMI_MATCH(DMI_PRODUCT_NAME, "D2D3_Vi8A1"),
 389                 },
 390                 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
 391                                         BYT_RT5651_IN2_MAP |
 392                                         BYT_RT5651_HP_LR_SWAPPED |
 393                                         BYT_RT5651_MONO_SPEAKER),
 394         },
 395         {
 396                 /* I.T.Works TW701, Ployer Momo7w and Trekstor ST70416-6
 397                  * (these all use the same mainboard) */
 398                 .callback = byt_rt5651_quirk_cb,
 399                 .matches = {
 400                         DMI_MATCH(DMI_BIOS_VENDOR, "INSYDE Corp."),
 401                         /* Partial match for all of itWORKS.G.WI71C.JGBMRBA,
 402                          * TREK.G.WI71C.JGBMRBA0x and MOMO.G.WI71C.MABMRBA02 */
 403                         DMI_MATCH(DMI_BIOS_VERSION, ".G.WI71C."),
 404                 },
 405                 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
 406                                         BYT_RT5651_IN2_MAP |
 407                                         BYT_RT5651_SSP0_AIF1 |
 408                                         BYT_RT5651_MONO_SPEAKER),
 409         },
 410         {
 411                 /* KIANO SlimNote 14.2 */
 412                 .callback = byt_rt5651_quirk_cb,
 413                 .matches = {
 414                         DMI_MATCH(DMI_SYS_VENDOR, "KIANO"),
 415                         DMI_MATCH(DMI_PRODUCT_NAME, "KIANO SlimNote 14.2"),
 416                 },
 417                 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
 418                                         BYT_RT5651_IN1_IN2_MAP),
 419         },
 420         {
 421                 /* Minnowboard Max B3 */
 422                 .callback = byt_rt5651_quirk_cb,
 423                 .matches = {
 424                         DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"),
 425                         DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"),
 426                 },
 427                 .driver_data = (void *)(BYT_RT5651_IN1_MAP),
 428         },
 429         {
 430                 /* Minnowboard Turbot */
 431                 .callback = byt_rt5651_quirk_cb,
 432                 .matches = {
 433                         DMI_MATCH(DMI_SYS_VENDOR, "ADI"),
 434                         DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Turbot"),
 435                 },
 436                 .driver_data = (void *)(BYT_RT5651_MCLK_EN |
 437                                         BYT_RT5651_IN1_MAP),
 438         },
 439         {
 440                 /* VIOS LTH17 */
 441                 .callback = byt_rt5651_quirk_cb,
 442                 .matches = {
 443                         DMI_MATCH(DMI_SYS_VENDOR, "VIOS"),
 444                         DMI_MATCH(DMI_PRODUCT_NAME, "LTH17"),
 445                 },
 446                 .driver_data = (void *)(BYT_RT5651_IN1_IN2_MAP |
 447                                         BYT_RT5651_JD1_1 |
 448                                         BYT_RT5651_OVCD_TH_2000UA |
 449                                         BYT_RT5651_OVCD_SF_1P0 |
 450                                         BYT_RT5651_MCLK_EN),
 451         },
 452         {
 453                 /* Yours Y8W81 (and others using the same mainboard) */
 454                 .callback = byt_rt5651_quirk_cb,
 455                 .matches = {
 456                         DMI_MATCH(DMI_BIOS_VENDOR, "INSYDE Corp."),
 457                         /* Partial match for all devs with a W86C mainboard */
 458                         DMI_MATCH(DMI_BIOS_VERSION, ".F.W86C."),
 459                 },
 460                 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
 461                                         BYT_RT5651_IN2_MAP |
 462                                         BYT_RT5651_SSP0_AIF1 |
 463                                         BYT_RT5651_MONO_SPEAKER),
 464         },
 465         {}
 466 };
 467
 468 /*
 469  * Note this MUST be called before snd_soc_register_card(), so that the props
 470  * are in place before the codec component driver's probe function parses them.
 471  */
 472 static int byt_rt5651_add_codec_device_props(struct device *i2c_dev)
 473 {
 474         struct property_entry props[MAX_NO_PROPS] = {};
 475         int cnt = 0;
 476
 477         props[cnt++] = PROPERTY_ENTRY_U32("realtek,jack-detect-source",
 478                                 BYT_RT5651_JDSRC(byt_rt5651_quirk));
 479
 480         props[cnt++] = PROPERTY_ENTRY_U32("realtek,over-current-threshold-microamp",
 481                                 BYT_RT5651_OVCD_TH(byt_rt5651_quirk) * 100);
 482
 483         props[cnt++] = PROPERTY_ENTRY_U32("realtek,over-current-scale-factor",
 484                                 BYT_RT5651_OVCD_SF(byt_rt5651_quirk));
 485
 486         if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN)
 487                 props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,dmic-en");
 488
 489         return device_add_properties(i2c_dev, props);
 490 }
 491
 492 static int byt_rt5651_init(struct snd_soc_pcm_runtime *runtime)
 493 {
 494         struct snd_soc_card *card = runtime->card;
 495         struct snd_soc_component *codec = runtime->codec_dai->component;
 496         struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
 497         const struct snd_soc_dapm_route *custom_map;
 498         int num_routes;
 499         int ret;
 500
 501         card->dapm.idle_bias_off = true;
 502
 503         /* Start with RC clk for jack-detect (we disable MCLK below) */
 504         if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
 505                 snd_soc_component_update_bits(codec, RT5651_GLB_CLK,
 506                         RT5651_SCLK_SRC_MASK, RT5651_SCLK_SRC_RCCLK);
 507
 508         switch (BYT_RT5651_MAP(byt_rt5651_quirk)) {
 509         case BYT_RT5651_IN1_MAP:
 510                 custom_map = byt_rt5651_intmic_in1_map;
 511                 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_map);
 512                 break;
 513         case BYT_RT5651_IN2_MAP:
 514                 custom_map = byt_rt5651_intmic_in2_map;
 515                 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in2_map);
 516                 break;
 517         case BYT_RT5651_IN1_IN2_MAP:
 518                 custom_map = byt_rt5651_intmic_in1_in2_map;
 519                 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_in2_map);
 520                 break;
 521         default:
 522                 custom_map = byt_rt5651_intmic_dmic_map;
 523                 num_routes = ARRAY_SIZE(byt_rt5651_intmic_dmic_map);
 524         }
 525         ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
 526         if (ret)
 527                 return ret;
 528
 529         if (byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) {
 530                 ret = snd_soc_dapm_add_routes(&card->dapm,
 531                                         byt_rt5651_ssp2_aif2_map,
 532                                         ARRAY_SIZE(byt_rt5651_ssp2_aif2_map));
 533         } else if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) {
 534                 ret = snd_soc_dapm_add_routes(&card->dapm,
 535                                         byt_rt5651_ssp0_aif1_map,
 536                                         ARRAY_SIZE(byt_rt5651_ssp0_aif1_map));
 537         } else if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2) {
 538                 ret = snd_soc_dapm_add_routes(&card->dapm,
 539                                         byt_rt5651_ssp0_aif2_map,
 540                                         ARRAY_SIZE(byt_rt5651_ssp0_aif2_map));
 541         } else {
 542                 ret = snd_soc_dapm_add_routes(&card->dapm,
 543                                         byt_rt5651_ssp2_aif1_map,
 544                                         ARRAY_SIZE(byt_rt5651_ssp2_aif1_map));
 545         }
 546         if (ret)
 547                 return ret;
 548
 549         ret = snd_soc_add_card_controls(card, byt_rt5651_controls,
 550                                         ARRAY_SIZE(byt_rt5651_controls));
 551         if (ret) {
 552                 dev_err(card->dev, "unable to add card controls\n");
 553                 return ret;
 554         }
 555         snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
 556         snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
 557
 558         if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
 559                 /*
 560                  * The firmware might enable the clock at
 561                  * boot (this information may or may not
 562                  * be reflected in the enable clock register).
 563                  * To change the rate we must disable the clock
 564                  * first to cover these cases. Due to common
 565                  * clock framework restrictions that do not allow
 566                  * to disable a clock that has not been enabled,
 567                  * we need to enable the clock first.
 568                  */
 569                 ret = clk_prepare_enable(priv->mclk);
 570                 if (!ret)
 571                         clk_disable_unprepare(priv->mclk);
 572
 573                 if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
 574                         ret = clk_set_rate(priv->mclk, 25000000);
 575                 else
 576                         ret = clk_set_rate(priv->mclk, 19200000);
 577
 578                 if (ret)
 579                         dev_err(card->dev, "unable to set MCLK rate\n");
 580         }
 581
 582         if (BYT_RT5651_JDSRC(byt_rt5651_quirk)) {
 583                 ret = snd_soc_card_jack_new(runtime->card, "Headset",
 584                                     SND_JACK_HEADSET | SND_JACK_BTN_0,
 585                                     &priv->jack, bytcr_jack_pins,
 586                                     ARRAY_SIZE(bytcr_jack_pins));
 587                 if (ret) {
 588                         dev_err(runtime->dev, "jack creation failed %d\n", ret);
 589                         return ret;
 590                 }
 591
 592                 snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0,
 593                                  KEY_PLAYPAUSE);
 594
 595                 ret = snd_soc_component_set_jack(codec, &priv->jack, NULL);
 596                 if (ret)
 597                         return ret;
 598         }
 599
 600         return 0;
 601 }
 602
 603 static const struct snd_soc_pcm_stream byt_rt5651_dai_params = {
 604         .formats = SNDRV_PCM_FMTBIT_S24_LE,
 605         .rate_min = 48000,
 606         .rate_max = 48000,
 607         .channels_min = 2,
 608         .channels_max = 2,
 609 };
 610
 611 static int byt_rt5651_codec_fixup(struct snd_soc_pcm_runtime *rtd,
 612                             struct snd_pcm_hw_params *params)
 613 {
 614         struct snd_interval *rate = hw_param_interval(params,
 615                         SNDRV_PCM_HW_PARAM_RATE);
 616         struct snd_interval *channels = hw_param_interval(params,
 617                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 618         int ret, bits;
 619
 620         /* The DSP will covert the FE rate to 48k, stereo */
 621         rate->min = rate->max = 48000;
 622         channels->min = channels->max = 2;
 623
 624         if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) ||
 625             (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
 626                 /* set SSP0 to 16-bit */
 627                 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
 628                 bits = 16;
 629         } else {
 630                 /* set SSP2 to 24-bit */
 631                 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
 632                 bits = 24;
 633         }
 634
 635         /*
 636          * Default mode for SSP configuration is TDM 4 slot, override config
 637          * with explicit setting to I2S 2ch. The word length is set with
 638          * dai_set_tdm_slot() since there is no other API exposed
 639          */
 640         ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
 641                                   SND_SOC_DAIFMT_I2S     |
 642                                   SND_SOC_DAIFMT_NB_NF   |
 643                                   SND_SOC_DAIFMT_CBS_CFS
 644                                   );
 645
 646         if (ret < 0) {
 647                 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
 648                 return ret;
 649         }
 650
 651         ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, bits);
 652         if (ret < 0) {
 653                 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
 654                 return ret;
 655         }
 656
 657         return 0;
 658 }
 659
 660 static const unsigned int rates_48000[] = {
 661         48000,
 662 };
 663
 664 static const struct snd_pcm_hw_constraint_list constraints_48000 = {
 665         .count = ARRAY_SIZE(rates_48000),
 666         .list  = rates_48000,
 667 };
 668
 669 static int byt_rt5651_aif1_startup(struct snd_pcm_substream *substream)
 670 {
 671         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 672                         SNDRV_PCM_HW_PARAM_RATE,
 673                         &constraints_48000);
 674 }
 675
 676 static const struct snd_soc_ops byt_rt5651_aif1_ops = {
 677         .startup = byt_rt5651_aif1_startup,
 678 };
 679
 680 static const struct snd_soc_ops byt_rt5651_be_ssp2_ops = {
 681         .hw_params = byt_rt5651_aif1_hw_params,
 682 };
 683
 684 static struct snd_soc_dai_link byt_rt5651_dais[] = {
 685         [MERR_DPCM_AUDIO] = {
 686                 .name = "Audio Port",
 687                 .stream_name = "Audio",
 688                 .cpu_dai_name = "media-cpu-dai",
 689                 .codec_dai_name = "snd-soc-dummy-dai",
 690                 .codec_name = "snd-soc-dummy",
 691                 .platform_name = "sst-mfld-platform",
 692                 .nonatomic = true,
 693                 .dynamic = 1,
 694                 .dpcm_playback = 1,
 695                 .dpcm_capture = 1,
 696                 .ops = &byt_rt5651_aif1_ops,
 697         },
 698         [MERR_DPCM_DEEP_BUFFER] = {
 699                 .name = "Deep-Buffer Audio Port",
 700                 .stream_name = "Deep-Buffer Audio",
 701                 .cpu_dai_name = "deepbuffer-cpu-dai",
 702                 .codec_dai_name = "snd-soc-dummy-dai",
 703                 .codec_name = "snd-soc-dummy",
 704                 .platform_name = "sst-mfld-platform",
 705                 .nonatomic = true,
 706                 .dynamic = 1,
 707                 .dpcm_playback = 1,
 708                 .ops = &byt_rt5651_aif1_ops,
 709         },
 710         /* CODEC<->CODEC link */
 711         /* back ends */
 712         {
 713                 .name = "SSP2-Codec",
 714                 .id = 0,
 715                 .cpu_dai_name = "ssp2-port",
 716                 .platform_name = "sst-mfld-platform",
 717                 .no_pcm = 1,
 718                 .codec_dai_name = "rt5651-aif1",
 719                 .codec_name = "i2c-10EC5651:00",
 720                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 721                                                 | SND_SOC_DAIFMT_CBS_CFS,
 722                 .be_hw_params_fixup = byt_rt5651_codec_fixup,
 723                 .ignore_suspend = 1,
 724                 .nonatomic = true,
 725                 .dpcm_playback = 1,
 726                 .dpcm_capture = 1,
 727                 .init = byt_rt5651_init,
 728                 .ops = &byt_rt5651_be_ssp2_ops,
 729         },
 730 };
 731
 732 /* SoC card */
 733 static char byt_rt5651_codec_name[SND_ACPI_I2C_ID_LEN];
 734 static char byt_rt5651_codec_aif_name[12]; /*  = "rt5651-aif[1|2]" */
 735 static char byt_rt5651_cpu_dai_name[10]; /*  = "ssp[0|2]-port" */
 736 static char byt_rt5651_long_name[50]; /* = "bytcr-rt5651-*-spk-*-mic[-swapped-hp]" */
 737
 738 static int byt_rt5651_suspend(struct snd_soc_card *card)
 739 {
 740         struct snd_soc_component *component;
 741
 742         if (!BYT_RT5651_JDSRC(byt_rt5651_quirk))
 743                 return 0;
 744
 745         list_for_each_entry(component, &card->component_dev_list, card_list) {
 746                 if (!strcmp(component->name, byt_rt5651_codec_name)) {
 747                         dev_dbg(component->dev, "disabling jack detect before suspend\n");
 748                         snd_soc_component_set_jack(component, NULL, NULL);
 749                         break;
 750                 }
 751         }
 752
 753         return 0;
 754 }
 755
 756 static int byt_rt5651_resume(struct snd_soc_card *card)
 757 {
 758         struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
 759         struct snd_soc_component *component;
 760
 761         if (!BYT_RT5651_JDSRC(byt_rt5651_quirk))
 762                 return 0;
 763
 764         list_for_each_entry(component, &card->component_dev_list, card_list) {
 765                 if (!strcmp(component->name, byt_rt5651_codec_name)) {
 766                         dev_dbg(component->dev, "re-enabling jack detect after resume\n");
 767                         snd_soc_component_set_jack(component, &priv->jack, NULL);
 768                         break;
 769                 }
 770         }
 771
 772         return 0;
 773 }
 774
 775 static struct snd_soc_card byt_rt5651_card = {
 776         .name = "bytcr-rt5651",
 777         .owner = THIS_MODULE,
 778         .dai_link = byt_rt5651_dais,
 779         .num_links = ARRAY_SIZE(byt_rt5651_dais),
 780         .dapm_widgets = byt_rt5651_widgets,
 781         .num_dapm_widgets = ARRAY_SIZE(byt_rt5651_widgets),
 782         .dapm_routes = byt_rt5651_audio_map,
 783         .num_dapm_routes = ARRAY_SIZE(byt_rt5651_audio_map),
 784         .fully_routed = true,
 785         .suspend_pre = byt_rt5651_suspend,
 786         .resume_post = byt_rt5651_resume,
 787 };
 788
 789 static const struct x86_cpu_id baytrail_cpu_ids[] = {
 790         { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT }, /* Valleyview */
 791         {}
 792 };
 793
 794 static const struct x86_cpu_id cherrytrail_cpu_ids[] = {
 795         { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_AIRMONT },     /* Braswell */
 796         {}
 797 };
 798
 799 static const struct acpi_gpio_params first_gpio = { 0, 0, false };
 800 static const struct acpi_gpio_params second_gpio = { 1, 0, false };
 801
 802 static const struct acpi_gpio_mapping byt_rt5651_amp_en_first[] = {
 803         { "ext-amp-enable-gpios", &first_gpio, 1 },
 804         { },
 805 };
 806
 807 static const struct acpi_gpio_mapping byt_rt5651_amp_en_second[] = {
 808         { "ext-amp-enable-gpios", &second_gpio, 1 },
 809         { },
 810 };
 811
 812 /*
 813  * Some boards have I2cSerialBusV2, GpioIo, GpioInt as ACPI resources, other
 814  * boards may  have I2cSerialBusV2, GpioInt, GpioIo instead. We want the
 815  * GpioIo one for the ext-amp-enable-gpio and both count for the index in
 816  * acpi_gpio_params index.  So we have 2 different mappings and the code
 817  * below figures out which one to use.
 818  */
 819 struct byt_rt5651_acpi_resource_data {
 820         int gpio_count;
 821         int gpio_int_idx;
 822 };
 823
 824 static int snd_byt_rt5651_acpi_resource(struct acpi_resource *ares, void *arg)
 825 {
 826         struct byt_rt5651_acpi_resource_data *data = arg;
 827
 828         if (ares->type != ACPI_RESOURCE_TYPE_GPIO)
 829                 return 0;
 830
 831         if (ares->data.gpio.connection_type == ACPI_RESOURCE_GPIO_TYPE_INT)
 832                 data->gpio_int_idx = data->gpio_count;
 833
 834         data->gpio_count++;
 835         return 0;
 836 }
 837
 838 static void snd_byt_rt5651_mc_add_amp_en_gpio_mapping(struct device *codec)
 839 {
 840         struct byt_rt5651_acpi_resource_data data = { 0, -1 };
 841         LIST_HEAD(resources);
 842         int ret;
 843
 844         ret = acpi_dev_get_resources(ACPI_COMPANION(codec), &resources,
 845                                      snd_byt_rt5651_acpi_resource, &data);
 846         if (ret < 0) {
 847                 dev_warn(codec, "Failed to get ACPI resources, not adding external amplifier GPIO mapping\n");
 848                 return;
 849         }
 850
 851         /* All info we need is gathered during the walk */
 852         acpi_dev_free_resource_list(&resources);
 853
 854         switch (data.gpio_int_idx) {
 855         case 0:
 856                 devm_acpi_dev_add_driver_gpios(codec, byt_rt5651_amp_en_second);
 857                 break;
 858         case 1:
 859                 devm_acpi_dev_add_driver_gpios(codec, byt_rt5651_amp_en_first);
 860                 break;
 861         default:
 862                 dev_warn(codec, "Unknown GpioInt index %d, not adding external amplifier GPIO mapping\n",
 863                          data.gpio_int_idx);
 864         }
 865 }
 866
 867 struct acpi_chan_package {   /* ACPICA seems to require 64 bit integers */
 868         u64 aif_value;       /* 1: AIF1, 2: AIF2 */
 869         u64 mclock_value;    /* usually 25MHz (0x17d7940), ignored */
 870 };
 871
 872 static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
 873 {
 874         const char * const mic_name[] = { "dmic", "in1", "in2", "in12" };
 875         struct byt_rt5651_private *priv;
 876         struct snd_soc_acpi_mach *mach;
 877         struct device *codec_dev;
 878         const char *i2c_name = NULL;
 879         const char *hp_swapped;
 880         bool is_bytcr = false;
 881         int ret_val = 0;
 882         int dai_index = 0;
 883         int i;
 884
 885         priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
 886         if (!priv)
 887                 return -ENOMEM;
 888
 889         /* register the soc card */
 890         byt_rt5651_card.dev = &pdev->dev;
 891
 892         mach = byt_rt5651_card.dev->platform_data;
 893         snd_soc_card_set_drvdata(&byt_rt5651_card, priv);
 894
 895         /* fix index of codec dai */
 896         for (i = 0; i < ARRAY_SIZE(byt_rt5651_dais); i++) {
 897                 if (!strcmp(byt_rt5651_dais[i].codec_name, "i2c-10EC5651:00")) {
 898                         dai_index = i;
 899                         break;
 900                 }
 901         }
 902
 903         /* fixup codec name based on HID */
 904         i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
 905         if (!i2c_name) {
 906                 dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
 907                 return -ENODEV;
 908         }
 909         snprintf(byt_rt5651_codec_name, sizeof(byt_rt5651_codec_name),
 910                 "%s%s", "i2c-", i2c_name);
 911         byt_rt5651_dais[dai_index].codec_name = byt_rt5651_codec_name;
 912
 913         codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL,
 914                                             byt_rt5651_codec_name);
 915         if (!codec_dev)
 916                 return -EPROBE_DEFER;
 917
 918         /*
 919          * swap SSP0 if bytcr is detected
 920          * (will be overridden if DMI quirk is detected)
 921          */
 922         if (x86_match_cpu(baytrail_cpu_ids)) {
 923                 struct sst_platform_info *p_info = mach->pdata;
 924                 const struct sst_res_info *res_info = p_info->res_info;
 925
 926                 if (res_info->acpi_ipc_irq_index == 0)
 927                         is_bytcr = true;
 928         }
 929
 930         if (is_bytcr) {
 931                 /*
 932                  * Baytrail CR platforms may have CHAN package in BIOS, try
 933                  * to find relevant routing quirk based as done on Windows
 934                  * platforms. We have to read the information directly from the
 935                  * BIOS, at this stage the card is not created and the links
 936                  * with the codec driver/pdata are non-existent
 937                  */
 938
 939                 struct acpi_chan_package chan_package;
 940
 941                 /* format specified: 2 64-bit integers */
 942                 struct acpi_buffer format = {sizeof("NN"), "NN"};
 943                 struct acpi_buffer state = {0, NULL};
 944                 struct snd_soc_acpi_package_context pkg_ctx;
 945                 bool pkg_found = false;
 946
 947                 state.length = sizeof(chan_package);
 948                 state.pointer = &chan_package;
 949
 950                 pkg_ctx.name = "CHAN";
 951                 pkg_ctx.length = 2;
 952                 pkg_ctx.format = &format;
 953                 pkg_ctx.state = &state;
 954                 pkg_ctx.data_valid = false;
 955
 956                 pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
 957                                                                &pkg_ctx);
 958                 if (pkg_found) {
 959                         if (chan_package.aif_value == 1) {
 960                                 dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
 961                                 byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF1;
 962                         } else  if (chan_package.aif_value == 2) {
 963                                 dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
 964                                 byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2;
 965                         } else {
 966                                 dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
 967                                 pkg_found = false;
 968                         }
 969                 }
 970
 971                 if (!pkg_found) {
 972                         /* no BIOS indications, assume SSP0-AIF2 connection */
 973                         byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2;
 974                 }
 975         }
 976
 977         /* check quirks before creating card */
 978         dmi_check_system(byt_rt5651_quirk_table);
 979
 980         /* Must be called before register_card, also see declaration comment. */
 981         ret_val = byt_rt5651_add_codec_device_props(codec_dev);
 982         if (ret_val) {
 983                 put_device(codec_dev);
 984                 return ret_val;
 985         }
 986
 987         /* Cherry Trail devices use an external amplifier enable gpio */
 988         if (x86_match_cpu(cherrytrail_cpu_ids)) {
 989                 snd_byt_rt5651_mc_add_amp_en_gpio_mapping(codec_dev);
 990                 priv->ext_amp_gpio = devm_fwnode_get_index_gpiod_from_child(
 991                                                 &pdev->dev, "ext-amp-enable", 0,
 992                                                 codec_dev->fwnode,
 993                                                 GPIOD_OUT_LOW, "speaker-amp");
 994                 if (IS_ERR(priv->ext_amp_gpio)) {
 995                         ret_val = PTR_ERR(priv->ext_amp_gpio);
 996                         switch (ret_val) {
 997                         case -ENOENT:
 998                                 priv->ext_amp_gpio = NULL;
 999                                 break;
1000                         default:
1001                                 dev_err(&pdev->dev, "Failed to get ext-amp-enable GPIO: %d\n",
1002                                         ret_val);
1003                                 /* fall through */
1004                         case -EPROBE_DEFER:
1005                                 put_device(codec_dev);
1006                                 return ret_val;
1007                         }
1008                 }
1009         }
1010
1011         put_device(codec_dev);
1012
1013         log_quirks(&pdev->dev);
1014
1015         if ((byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) ||
1016             (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
1017                 /* fixup codec aif name */
1018                 snprintf(byt_rt5651_codec_aif_name,
1019                         sizeof(byt_rt5651_codec_aif_name),
1020                         "%s", "rt5651-aif2");
1021
1022                 byt_rt5651_dais[dai_index].codec_dai_name =
1023                         byt_rt5651_codec_aif_name;
1024         }
1025
1026         if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) ||
1027             (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
1028                 /* fixup cpu dai name name */
1029                 snprintf(byt_rt5651_cpu_dai_name,
1030                         sizeof(byt_rt5651_cpu_dai_name),
1031                         "%s", "ssp0-port");
1032
1033                 byt_rt5651_dais[dai_index].cpu_dai_name =
1034                         byt_rt5651_cpu_dai_name;
1035         }
1036
1037         if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
1038                 priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
1039                 if (IS_ERR(priv->mclk)) {
1040                         ret_val = PTR_ERR(priv->mclk);
1041                         dev_err(&pdev->dev,
1042                                 "Failed to get MCLK from pmc_plt_clk_3: %d\n",
1043                                 ret_val);
1044                         /*
1045                          * Fall back to bit clock usage for -ENOENT (clock not
1046                          * available likely due to missing dependencies), bail
1047                          * for all other errors, including -EPROBE_DEFER
1048                          */
1049                         if (ret_val != -ENOENT)
1050                                 return ret_val;
1051                         byt_rt5651_quirk &= ~BYT_RT5651_MCLK_EN;
1052                 }
1053         }
1054
1055         if (byt_rt5651_quirk & BYT_RT5651_HP_LR_SWAPPED)
1056                 hp_swapped = "-hp-swapped";
1057         else
1058                 hp_swapped = "";
1059
1060         snprintf(byt_rt5651_long_name, sizeof(byt_rt5651_long_name),
1061                  "bytcr-rt5651-%s-spk-%s-mic%s",
1062                  (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER) ?
1063                         "mono" : "stereo",
1064                  mic_name[BYT_RT5651_MAP(byt_rt5651_quirk)], hp_swapped);
1065         byt_rt5651_card.long_name = byt_rt5651_long_name;
1066
1067         ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5651_card);
1068
1069         if (ret_val) {
1070                 dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
1071                         ret_val);
1072                 return ret_val;
1073         }
1074         platform_set_drvdata(pdev, &byt_rt5651_card);
1075         return ret_val;
1076 }
1077
1078 static struct platform_driver snd_byt_rt5651_mc_driver = {
1079         .driver = {
1080                 .name = "bytcr_rt5651",
1081         },
1082         .probe = snd_byt_rt5651_mc_probe,
1083 };
1084
1085 module_platform_driver(snd_byt_rt5651_mc_driver);
1086
1087 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver for RT5651");
1088 MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>");
1089 MODULE_LICENSE("GPL v2");
1090 MODULE_ALIAS("platform:bytcr_rt5651");