sound/soc/codecs/twl6040.c

   1 /*
   2  * ALSA SoC TWL6040 codec driver
   3  *
   4  * Author:       Misael Lopez Cruz <x0052729@ti.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * version 2 as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  18  * 02110-1301 USA
  19  *
  20  */
  21
  22 #include <linux/module.h>
  23 #include <linux/moduleparam.h>
  24 #include <linux/init.h>
  25 #include <linux/delay.h>
  26 #include <linux/pm.h>
  27 #include <linux/platform_device.h>
  28 #include <linux/slab.h>
  29 #include <linux/mfd/twl6040.h>
  30
  31 #include <sound/core.h>
  32 #include <sound/pcm.h>
  33 #include <sound/pcm_params.h>
  34 #include <sound/soc.h>
  35 #include <sound/soc-dapm.h>
  36 #include <sound/initval.h>
  37 #include <sound/tlv.h>
  38
  39 #include "twl6040.h"
  40
  41 enum twl6040_dai_id {
  42         TWL6040_DAI_LEGACY = 0,
  43         TWL6040_DAI_UL,
  44         TWL6040_DAI_DL1,
  45         TWL6040_DAI_DL2,
  46         TWL6040_DAI_VIB,
  47 };
  48
  49 #define TWL6040_RATES           SNDRV_PCM_RATE_8000_96000
  50 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
  51
  52 #define TWL6040_OUTHS_0dB 0x00
  53 #define TWL6040_OUTHS_M30dB 0x0F
  54 #define TWL6040_OUTHF_0dB 0x03
  55 #define TWL6040_OUTHF_M52dB 0x1D
  56
  57 #define TWL6040_CACHEREGNUM     (TWL6040_REG_STATUS + 1)
  58
  59 struct twl6040_jack_data {
  60         struct snd_soc_jack *jack;
  61         struct delayed_work work;
  62         int report;
  63 };
  64
  65 /* codec private data */
  66 struct twl6040_data {
  67         int plug_irq;
  68         int codec_powered;
  69         int pll;
  70         int pll_power_mode;
  71         int hs_power_mode;
  72         int hs_power_mode_locked;
  73         bool dl1_unmuted;
  74         bool dl2_unmuted;
  75         u8 dl12_cache[TWL6040_REG_HFRCTL - TWL6040_REG_HSLCTL + 1];
  76         unsigned int clk_in;
  77         unsigned int sysclk;
  78         struct twl6040_jack_data hs_jack;
  79         struct snd_soc_codec *codec;
  80         struct mutex mutex;
  81 };
  82
  83 /* set of rates for each pll: low-power and high-performance */
  84 static const unsigned int lp_rates[] = {
  85         8000,
  86         11250,
  87         16000,
  88         22500,
  89         32000,
  90         44100,
  91         48000,
  92         88200,
  93         96000,
  94 };
  95
  96 static const unsigned int hp_rates[] = {
  97         8000,
  98         16000,
  99         32000,
 100         48000,
 101         96000,
 102 };
 103
 104 static const struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
 105         { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
 106         { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
 107 };
 108
 109 #define to_twl6040(codec)       dev_get_drvdata((codec)->dev->parent)
 110
 111 static unsigned int twl6040_read(struct snd_soc_codec *codec, unsigned int reg)
 112 {
 113         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 114         struct twl6040 *twl6040 = to_twl6040(codec);
 115         u8 value;
 116
 117         if (reg >= TWL6040_CACHEREGNUM)
 118                 return -EIO;
 119
 120         switch (reg) {
 121         case TWL6040_REG_HSLCTL:
 122         case TWL6040_REG_HSRCTL:
 123         case TWL6040_REG_EARCTL:
 124         case TWL6040_REG_HFLCTL:
 125         case TWL6040_REG_HFRCTL:
 126                 value = priv->dl12_cache[reg - TWL6040_REG_HSLCTL];
 127                 break;
 128         default:
 129                 value = twl6040_reg_read(twl6040, reg);
 130                 break;
 131         }
 132
 133         return value;
 134 }
 135
 136 static bool twl6040_can_write_to_chip(struct snd_soc_codec *codec,
 137                                   unsigned int reg)
 138 {
 139         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 140
 141         switch (reg) {
 142         case TWL6040_REG_HSLCTL:
 143         case TWL6040_REG_HSRCTL:
 144         case TWL6040_REG_EARCTL:
 145                 /* DL1 path */
 146                 return priv->dl1_unmuted;
 147         case TWL6040_REG_HFLCTL:
 148         case TWL6040_REG_HFRCTL:
 149                 return priv->dl2_unmuted;
 150         default:
 151                 return 1;
 152         }
 153 }
 154
 155 static inline void twl6040_update_dl12_cache(struct snd_soc_codec *codec,
 156                                              u8 reg, u8 value)
 157 {
 158         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 159
 160         switch (reg) {
 161         case TWL6040_REG_HSLCTL:
 162         case TWL6040_REG_HSRCTL:
 163         case TWL6040_REG_EARCTL:
 164         case TWL6040_REG_HFLCTL:
 165         case TWL6040_REG_HFRCTL:
 166                 priv->dl12_cache[reg - TWL6040_REG_HSLCTL] = value;
 167                 break;
 168         default:
 169                 break;
 170         }
 171 }
 172
 173 static int twl6040_write(struct snd_soc_codec *codec,
 174                         unsigned int reg, unsigned int value)
 175 {
 176         struct twl6040 *twl6040 = to_twl6040(codec);
 177
 178         if (reg >= TWL6040_CACHEREGNUM)
 179                 return -EIO;
 180
 181         twl6040_update_dl12_cache(codec, reg, value);
 182         if (twl6040_can_write_to_chip(codec, reg))
 183                 return twl6040_reg_write(twl6040, reg, value);
 184         else
 185                 return 0;
 186 }
 187
 188 static void twl6040_init_chip(struct snd_soc_codec *codec)
 189 {
 190         twl6040_read(codec, TWL6040_REG_TRIM1);
 191         twl6040_read(codec, TWL6040_REG_TRIM2);
 192         twl6040_read(codec, TWL6040_REG_TRIM3);
 193         twl6040_read(codec, TWL6040_REG_HSOTRIM);
 194         twl6040_read(codec, TWL6040_REG_HFOTRIM);
 195
 196         /* Change chip defaults */
 197         /* No imput selected for microphone amplifiers */
 198         twl6040_write(codec, TWL6040_REG_MICLCTL, 0x18);
 199         twl6040_write(codec, TWL6040_REG_MICRCTL, 0x18);
 200
 201         /*
 202          * We need to lower the default gain values, so the ramp code
 203          * can work correctly for the first playback.
 204          * This reduces the pop noise heard at the first playback.
 205          */
 206         twl6040_write(codec, TWL6040_REG_HSGAIN, 0xff);
 207         twl6040_write(codec, TWL6040_REG_EARCTL, 0x1e);
 208         twl6040_write(codec, TWL6040_REG_HFLGAIN, 0x1d);
 209         twl6040_write(codec, TWL6040_REG_HFRGAIN, 0x1d);
 210         twl6040_write(codec, TWL6040_REG_LINEGAIN, 0);
 211 }
 212
 213 /* set headset dac and driver power mode */
 214 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
 215 {
 216         int hslctl, hsrctl;
 217         int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
 218
 219         hslctl = twl6040_read(codec, TWL6040_REG_HSLCTL);
 220         hsrctl = twl6040_read(codec, TWL6040_REG_HSRCTL);
 221
 222         if (high_perf) {
 223                 hslctl &= ~mask;
 224                 hsrctl &= ~mask;
 225         } else {
 226                 hslctl |= mask;
 227                 hsrctl |= mask;
 228         }
 229
 230         twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
 231         twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
 232
 233         return 0;
 234 }
 235
 236 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
 237                         struct snd_kcontrol *kcontrol, int event)
 238 {
 239         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 240         u8 hslctl, hsrctl;
 241
 242         /*
 243          * Workaround for Headset DC offset caused pop noise:
 244          * Both HS DAC need to be turned on (before the HS driver) and off at
 245          * the same time.
 246          */
 247         hslctl = twl6040_read(codec, TWL6040_REG_HSLCTL);
 248         hsrctl = twl6040_read(codec, TWL6040_REG_HSRCTL);
 249         if (SND_SOC_DAPM_EVENT_ON(event)) {
 250                 hslctl |= TWL6040_HSDACENA;
 251                 hsrctl |= TWL6040_HSDACENA;
 252         } else {
 253                 hslctl &= ~TWL6040_HSDACENA;
 254                 hsrctl &= ~TWL6040_HSDACENA;
 255         }
 256         twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
 257         twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
 258
 259         msleep(1);
 260         return 0;
 261 }
 262
 263 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
 264                         struct snd_kcontrol *kcontrol, int event)
 265 {
 266         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 267         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 268         int ret = 0;
 269
 270         if (SND_SOC_DAPM_EVENT_ON(event)) {
 271                 /* Earphone doesn't support low power mode */
 272                 priv->hs_power_mode_locked = 1;
 273                 ret = headset_power_mode(codec, 1);
 274         } else {
 275                 priv->hs_power_mode_locked = 0;
 276                 ret = headset_power_mode(codec, priv->hs_power_mode);
 277         }
 278
 279         msleep(1);
 280
 281         return ret;
 282 }
 283
 284 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
 285                                    struct snd_soc_jack *jack, int report)
 286 {
 287         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 288         int status;
 289
 290         mutex_lock(&priv->mutex);
 291
 292         /* Sync status */
 293         status = twl6040_read(codec, TWL6040_REG_STATUS);
 294         if (status & TWL6040_PLUGCOMP)
 295                 snd_soc_jack_report(jack, report, report);
 296         else
 297                 snd_soc_jack_report(jack, 0, report);
 298
 299         mutex_unlock(&priv->mutex);
 300 }
 301
 302 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
 303                                 struct snd_soc_jack *jack, int report)
 304 {
 305         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 306         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 307
 308         hs_jack->jack = jack;
 309         hs_jack->report = report;
 310
 311         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 312 }
 313 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
 314
 315 static void twl6040_accessory_work(struct work_struct *work)
 316 {
 317         struct twl6040_data *priv = container_of(work,
 318                                         struct twl6040_data, hs_jack.work.work);
 319         struct snd_soc_codec *codec = priv->codec;
 320         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 321
 322         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 323 }
 324
 325 /* audio interrupt handler */
 326 static irqreturn_t twl6040_audio_handler(int irq, void *data)
 327 {
 328         struct snd_soc_codec *codec = data;
 329         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 330
 331         queue_delayed_work(system_power_efficient_wq,
 332                            &priv->hs_jack.work, msecs_to_jiffies(200));
 333
 334         return IRQ_HANDLED;
 335 }
 336
 337 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
 338         struct snd_ctl_elem_value *ucontrol)
 339 {
 340         struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 341         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 342         unsigned int val;
 343
 344         /* Do not allow changes while Input/FF efect is running */
 345         val = twl6040_read(codec, e->reg);
 346         if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
 347                 return -EBUSY;
 348
 349         return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
 350 }
 351
 352 /*
 353  * MICATT volume control:
 354  * from -6 to 0 dB in 6 dB steps
 355  */
 356 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
 357
 358 /*
 359  * MICGAIN volume control:
 360  * from 6 to 30 dB in 6 dB steps
 361  */
 362 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
 363
 364 /*
 365  * AFMGAIN volume control:
 366  * from -18 to 24 dB in 6 dB steps
 367  */
 368 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
 369
 370 /*
 371  * HSGAIN volume control:
 372  * from -30 to 0 dB in 2 dB steps
 373  */
 374 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
 375
 376 /*
 377  * HFGAIN volume control:
 378  * from -52 to 6 dB in 2 dB steps
 379  */
 380 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
 381
 382 /*
 383  * EPGAIN volume control:
 384  * from -24 to 6 dB in 2 dB steps
 385  */
 386 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
 387
 388 /* Left analog microphone selection */
 389 static const char *twl6040_amicl_texts[] =
 390         {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
 391
 392 /* Right analog microphone selection */
 393 static const char *twl6040_amicr_texts[] =
 394         {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
 395
 396 static const struct soc_enum twl6040_enum[] = {
 397         SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3,
 398                         ARRAY_SIZE(twl6040_amicl_texts), twl6040_amicl_texts),
 399         SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3,
 400                         ARRAY_SIZE(twl6040_amicr_texts), twl6040_amicr_texts),
 401 };
 402
 403 static const char *twl6040_hs_texts[] = {
 404         "Off", "HS DAC", "Line-In amp"
 405 };
 406
 407 static const struct soc_enum twl6040_hs_enum[] = {
 408         SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 409                         twl6040_hs_texts),
 410         SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 411                         twl6040_hs_texts),
 412 };
 413
 414 static const char *twl6040_hf_texts[] = {
 415         "Off", "HF DAC", "Line-In amp"
 416 };
 417
 418 static const struct soc_enum twl6040_hf_enum[] = {
 419         SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 420                         twl6040_hf_texts),
 421         SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 422                         twl6040_hf_texts),
 423 };
 424
 425 static const char *twl6040_vibrapath_texts[] = {
 426         "Input FF", "Audio PDM"
 427 };
 428
 429 static const struct soc_enum twl6040_vibra_enum[] = {
 430         SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
 431                         ARRAY_SIZE(twl6040_vibrapath_texts),
 432                         twl6040_vibrapath_texts),
 433         SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
 434                         ARRAY_SIZE(twl6040_vibrapath_texts),
 435                         twl6040_vibrapath_texts),
 436 };
 437
 438 static const struct snd_kcontrol_new amicl_control =
 439         SOC_DAPM_ENUM("Route", twl6040_enum[0]);
 440
 441 static const struct snd_kcontrol_new amicr_control =
 442         SOC_DAPM_ENUM("Route", twl6040_enum[1]);
 443
 444 /* Headset DAC playback switches */
 445 static const struct snd_kcontrol_new hsl_mux_controls =
 446         SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
 447
 448 static const struct snd_kcontrol_new hsr_mux_controls =
 449         SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
 450
 451 /* Handsfree DAC playback switches */
 452 static const struct snd_kcontrol_new hfl_mux_controls =
 453         SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
 454
 455 static const struct snd_kcontrol_new hfr_mux_controls =
 456         SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
 457
 458 static const struct snd_kcontrol_new ep_path_enable_control =
 459         SOC_DAPM_SINGLE_VIRT("Switch", 1);
 460
 461 static const struct snd_kcontrol_new auxl_switch_control =
 462         SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
 463
 464 static const struct snd_kcontrol_new auxr_switch_control =
 465         SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
 466
 467 /* Vibra playback switches */
 468 static const struct snd_kcontrol_new vibral_mux_controls =
 469         SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
 470                 snd_soc_dapm_get_enum_double,
 471                 twl6040_soc_dapm_put_vibra_enum);
 472
 473 static const struct snd_kcontrol_new vibrar_mux_controls =
 474         SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
 475                 snd_soc_dapm_get_enum_double,
 476                 twl6040_soc_dapm_put_vibra_enum);
 477
 478 /* Headset power mode */
 479 static const char *twl6040_power_mode_texts[] = {
 480         "Low-Power", "High-Performance",
 481 };
 482
 483 static SOC_ENUM_SINGLE_EXT_DECL(twl6040_power_mode_enum,
 484                                 twl6040_power_mode_texts);
 485
 486 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
 487         struct snd_ctl_elem_value *ucontrol)
 488 {
 489         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 490         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 491
 492         ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
 493
 494         return 0;
 495 }
 496
 497 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
 498         struct snd_ctl_elem_value *ucontrol)
 499 {
 500         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 501         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 502         int high_perf = ucontrol->value.enumerated.item[0];
 503         int ret = 0;
 504
 505         if (!priv->hs_power_mode_locked)
 506                 ret = headset_power_mode(codec, high_perf);
 507
 508         if (!ret)
 509                 priv->hs_power_mode = high_perf;
 510
 511         return ret;
 512 }
 513
 514 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
 515         struct snd_ctl_elem_value *ucontrol)
 516 {
 517         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 518         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 519
 520         ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
 521
 522         return 0;
 523 }
 524
 525 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
 526         struct snd_ctl_elem_value *ucontrol)
 527 {
 528         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 529         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 530
 531         priv->pll_power_mode = ucontrol->value.enumerated.item[0];
 532
 533         return 0;
 534 }
 535
 536 int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
 537 {
 538         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
 539
 540         if (snd_soc_dapm_get_pin_status(dapm, "EP"))
 541                 return -1; /* -1dB */
 542
 543         if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
 544                 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
 545
 546                 u8 val = twl6040_read(codec, TWL6040_REG_HSLCTL);
 547                 if (val & TWL6040_HSDACMODE)
 548                         /* HSDACL in LP mode */
 549                         return -8; /* -8dB */
 550                 else
 551                         /* HSDACL in HP mode */
 552                         return -1; /* -1dB */
 553         }
 554         return 0; /* 0dB */
 555 }
 556 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
 557
 558 int twl6040_get_clk_id(struct snd_soc_codec *codec)
 559 {
 560         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 561
 562         return priv->pll_power_mode;
 563 }
 564 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
 565
 566 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
 567 {
 568         if (unlikely(trim >= TWL6040_TRIM_INVAL))
 569                 return -EINVAL;
 570
 571         return twl6040_read(codec, TWL6040_REG_TRIM1 + trim);
 572 }
 573 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
 574
 575 int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
 576 {
 577         struct twl6040 *twl6040 = to_twl6040(codec);
 578
 579         if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
 580                 /* For ES under ES_1.3 HS step is 2 mV */
 581                 return 2;
 582         else
 583                 /* For ES_1.3 HS step is 1 mV */
 584                 return 1;
 585 }
 586 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
 587
 588 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
 589         /* Capture gains */
 590         SOC_DOUBLE_TLV("Capture Preamplifier Volume",
 591                 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
 592         SOC_DOUBLE_TLV("Capture Volume",
 593                 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
 594
 595         /* AFM gains */
 596         SOC_DOUBLE_TLV("Aux FM Volume",
 597                 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
 598
 599         /* Playback gains */
 600         SOC_DOUBLE_TLV("Headset Playback Volume",
 601                 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
 602         SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
 603                 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
 604         SOC_SINGLE_TLV("Earphone Playback Volume",
 605                 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
 606
 607         SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
 608                 twl6040_headset_power_get_enum,
 609                 twl6040_headset_power_put_enum),
 610
 611         /* Left HS PDM data routed to Right HSDAC */
 612         SOC_SINGLE("Headset Mono to Stereo Playback Switch",
 613                 TWL6040_REG_HSRCTL, 7, 1, 0),
 614
 615         /* Left HF PDM data routed to Right HFDAC */
 616         SOC_SINGLE("Handsfree Mono to Stereo Playback Switch",
 617                 TWL6040_REG_HFRCTL, 5, 1, 0),
 618
 619         SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
 620                 twl6040_pll_get_enum, twl6040_pll_put_enum),
 621 };
 622
 623 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
 624         /* Inputs */
 625         SND_SOC_DAPM_INPUT("MAINMIC"),
 626         SND_SOC_DAPM_INPUT("HSMIC"),
 627         SND_SOC_DAPM_INPUT("SUBMIC"),
 628         SND_SOC_DAPM_INPUT("AFML"),
 629         SND_SOC_DAPM_INPUT("AFMR"),
 630
 631         /* Outputs */
 632         SND_SOC_DAPM_OUTPUT("HSOL"),
 633         SND_SOC_DAPM_OUTPUT("HSOR"),
 634         SND_SOC_DAPM_OUTPUT("HFL"),
 635         SND_SOC_DAPM_OUTPUT("HFR"),
 636         SND_SOC_DAPM_OUTPUT("EP"),
 637         SND_SOC_DAPM_OUTPUT("AUXL"),
 638         SND_SOC_DAPM_OUTPUT("AUXR"),
 639         SND_SOC_DAPM_OUTPUT("VIBRAL"),
 640         SND_SOC_DAPM_OUTPUT("VIBRAR"),
 641
 642         /* Analog input muxes for the capture amplifiers */
 643         SND_SOC_DAPM_MUX("Analog Left Capture Route",
 644                         SND_SOC_NOPM, 0, 0, &amicl_control),
 645         SND_SOC_DAPM_MUX("Analog Right Capture Route",
 646                         SND_SOC_NOPM, 0, 0, &amicr_control),
 647
 648         /* Analog capture PGAs */
 649         SND_SOC_DAPM_PGA("MicAmpL",
 650                         TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
 651         SND_SOC_DAPM_PGA("MicAmpR",
 652                         TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
 653
 654         /* Auxiliary FM PGAs */
 655         SND_SOC_DAPM_PGA("AFMAmpL",
 656                         TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
 657         SND_SOC_DAPM_PGA("AFMAmpR",
 658                         TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
 659
 660         /* ADCs */
 661         SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
 662         SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
 663
 664         /* Microphone bias */
 665         SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
 666                             TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
 667         SND_SOC_DAPM_SUPPLY("Main Mic Bias",
 668                             TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
 669         SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
 670                             TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
 671         SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
 672                             TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
 673
 674         /* DACs */
 675         SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
 676         SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
 677         SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
 678         SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
 679         /* Virtual DAC for vibra path (DL4 channel) */
 680         SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
 681
 682         SND_SOC_DAPM_MUX("Handsfree Left Playback",
 683                         SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
 684         SND_SOC_DAPM_MUX("Handsfree Right Playback",
 685                         SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
 686         /* Analog playback Muxes */
 687         SND_SOC_DAPM_MUX("Headset Left Playback",
 688                         SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
 689         SND_SOC_DAPM_MUX("Headset Right Playback",
 690                         SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
 691
 692         SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
 693                         &vibral_mux_controls),
 694         SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
 695                         &vibrar_mux_controls),
 696
 697         SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
 698                         &ep_path_enable_control),
 699         SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
 700                         &auxl_switch_control),
 701         SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
 702                         &auxr_switch_control),
 703
 704         /* Analog playback drivers */
 705         SND_SOC_DAPM_OUT_DRV("HF Left Driver",
 706                         TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
 707         SND_SOC_DAPM_OUT_DRV("HF Right Driver",
 708                         TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
 709         SND_SOC_DAPM_OUT_DRV("HS Left Driver",
 710                         TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
 711         SND_SOC_DAPM_OUT_DRV("HS Right Driver",
 712                         TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
 713         SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
 714                         TWL6040_REG_EARCTL, 0, 0, NULL, 0,
 715                         twl6040_ep_drv_event,
 716                         SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 717         SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
 718                         TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
 719         SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
 720                         TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
 721
 722         SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
 723                             NULL, 0),
 724         SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
 725                             NULL, 0),
 726         SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
 727                               twl6040_hs_dac_event,
 728                               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 729
 730         /* Analog playback PGAs */
 731         SND_SOC_DAPM_PGA("HF Left PGA",
 732                         TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
 733         SND_SOC_DAPM_PGA("HF Right PGA",
 734                         TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
 735
 736 };
 737
 738 static const struct snd_soc_dapm_route intercon[] = {
 739         /* Stream -> DAC mapping */
 740         {"HSDAC Left", NULL, "Legacy Playback"},
 741         {"HSDAC Left", NULL, "Headset Playback"},
 742         {"HSDAC Right", NULL, "Legacy Playback"},
 743         {"HSDAC Right", NULL, "Headset Playback"},
 744
 745         {"HFDAC Left", NULL, "Legacy Playback"},
 746         {"HFDAC Left", NULL, "Handsfree Playback"},
 747         {"HFDAC Right", NULL, "Legacy Playback"},
 748         {"HFDAC Right", NULL, "Handsfree Playback"},
 749
 750         {"VIBRA DAC", NULL, "Legacy Playback"},
 751         {"VIBRA DAC", NULL, "Vibra Playback"},
 752
 753         /* ADC -> Stream mapping */
 754         {"Legacy Capture" , NULL, "ADC Left"},
 755         {"Capture", NULL, "ADC Left"},
 756         {"Legacy Capture", NULL, "ADC Right"},
 757         {"Capture" , NULL, "ADC Right"},
 758
 759         /* Capture path */
 760         {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
 761         {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
 762         {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
 763
 764         {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
 765         {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
 766         {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
 767
 768         {"MicAmpL", NULL, "Analog Left Capture Route"},
 769         {"MicAmpR", NULL, "Analog Right Capture Route"},
 770
 771         {"ADC Left", NULL, "MicAmpL"},
 772         {"ADC Right", NULL, "MicAmpR"},
 773
 774         /* AFM path */
 775         {"AFMAmpL", NULL, "AFML"},
 776         {"AFMAmpR", NULL, "AFMR"},
 777
 778         {"HSDAC Left", NULL, "HSDAC Power"},
 779         {"HSDAC Right", NULL, "HSDAC Power"},
 780
 781         {"Headset Left Playback", "HS DAC", "HSDAC Left"},
 782         {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
 783
 784         {"Headset Right Playback", "HS DAC", "HSDAC Right"},
 785         {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
 786
 787         {"HS Left Driver", NULL, "Headset Left Playback"},
 788         {"HS Right Driver", NULL, "Headset Right Playback"},
 789
 790         {"HSOL", NULL, "HS Left Driver"},
 791         {"HSOR", NULL, "HS Right Driver"},
 792
 793         /* Earphone playback path */
 794         {"Earphone Playback", "Switch", "HSDAC Left"},
 795         {"Earphone Driver", NULL, "Earphone Playback"},
 796         {"EP", NULL, "Earphone Driver"},
 797
 798         {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
 799         {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
 800
 801         {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
 802         {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
 803
 804         {"HF Left PGA", NULL, "Handsfree Left Playback"},
 805         {"HF Right PGA", NULL, "Handsfree Right Playback"},
 806
 807         {"HF Left Driver", NULL, "HF Left PGA"},
 808         {"HF Right Driver", NULL, "HF Right PGA"},
 809
 810         {"HFL", NULL, "HF Left Driver"},
 811         {"HFR", NULL, "HF Right Driver"},
 812
 813         {"AUXL Playback", "Switch", "HF Left PGA"},
 814         {"AUXR Playback", "Switch", "HF Right PGA"},
 815
 816         {"AUXL", NULL, "AUXL Playback"},
 817         {"AUXR", NULL, "AUXR Playback"},
 818
 819         /* Vibrator paths */
 820         {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
 821         {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
 822
 823         {"Vibra Left Driver", NULL, "Vibra Left Playback"},
 824         {"Vibra Right Driver", NULL, "Vibra Right Playback"},
 825         {"Vibra Left Driver", NULL, "Vibra Left Control"},
 826         {"Vibra Right Driver", NULL, "Vibra Right Control"},
 827
 828         {"VIBRAL", NULL, "Vibra Left Driver"},
 829         {"VIBRAR", NULL, "Vibra Right Driver"},
 830 };
 831
 832 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
 833                                 enum snd_soc_bias_level level)
 834 {
 835         struct twl6040 *twl6040 = to_twl6040(codec);
 836         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 837         int ret = 0;
 838
 839         switch (level) {
 840         case SND_SOC_BIAS_ON:
 841                 break;
 842         case SND_SOC_BIAS_PREPARE:
 843                 break;
 844         case SND_SOC_BIAS_STANDBY:
 845                 if (priv->codec_powered) {
 846                         /* Select low power PLL in standby */
 847                         ret = twl6040_set_pll(twl6040, TWL6040_SYSCLK_SEL_LPPLL,
 848                                               32768, 19200000);
 849                         break;
 850                 }
 851
 852                 ret = twl6040_power(twl6040, 1);
 853                 if (ret)
 854                         break;
 855
 856                 priv->codec_powered = 1;
 857
 858                 /* Set external boost GPO */
 859                 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
 860                 break;
 861         case SND_SOC_BIAS_OFF:
 862                 if (!priv->codec_powered)
 863                         break;
 864
 865                 twl6040_power(twl6040, 0);
 866                 priv->codec_powered = 0;
 867                 break;
 868         }
 869
 870         return ret;
 871 }
 872
 873 static int twl6040_startup(struct snd_pcm_substream *substream,
 874                         struct snd_soc_dai *dai)
 875 {
 876         struct snd_soc_codec *codec = dai->codec;
 877         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 878
 879         snd_pcm_hw_constraint_list(substream->runtime, 0,
 880                                 SNDRV_PCM_HW_PARAM_RATE,
 881                                 &sysclk_constraints[priv->pll_power_mode]);
 882
 883         return 0;
 884 }
 885
 886 static int twl6040_hw_params(struct snd_pcm_substream *substream,
 887                         struct snd_pcm_hw_params *params,
 888                         struct snd_soc_dai *dai)
 889 {
 890         struct snd_soc_codec *codec = dai->codec;
 891         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 892         int rate;
 893
 894         rate = params_rate(params);
 895         switch (rate) {
 896         case 11250:
 897         case 22500:
 898         case 44100:
 899         case 88200:
 900                 /* These rates are not supported when HPPLL is in use */
 901                 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
 902                         dev_err(codec->dev, "HPPLL does not support rate %d\n",
 903                                 rate);
 904                         return -EINVAL;
 905                 }
 906                 priv->sysclk = 17640000;
 907                 break;
 908         case 8000:
 909         case 16000:
 910         case 32000:
 911         case 48000:
 912         case 96000:
 913                 priv->sysclk = 19200000;
 914                 break;
 915         default:
 916                 dev_err(codec->dev, "unsupported rate %d\n", rate);
 917                 return -EINVAL;
 918         }
 919
 920         return 0;
 921 }
 922
 923 static int twl6040_prepare(struct snd_pcm_substream *substream,
 924                         struct snd_soc_dai *dai)
 925 {
 926         struct snd_soc_codec *codec = dai->codec;
 927         struct twl6040 *twl6040 = to_twl6040(codec);
 928         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 929         int ret;
 930
 931         if (!priv->sysclk) {
 932                 dev_err(codec->dev,
 933                         "no mclk configured, call set_sysclk() on init\n");
 934                 return -EINVAL;
 935         }
 936
 937         ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
 938         if (ret) {
 939                 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
 940                 return -EPERM;
 941         }
 942
 943         return 0;
 944 }
 945
 946 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
 947                 int clk_id, unsigned int freq, int dir)
 948 {
 949         struct snd_soc_codec *codec = codec_dai->codec;
 950         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 951
 952         switch (clk_id) {
 953         case TWL6040_SYSCLK_SEL_LPPLL:
 954         case TWL6040_SYSCLK_SEL_HPPLL:
 955                 priv->pll = clk_id;
 956                 priv->clk_in = freq;
 957                 break;
 958         default:
 959                 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
 960                 return -EINVAL;
 961         }
 962
 963         return 0;
 964 }
 965
 966 static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id,
 967                              int mute)
 968 {
 969         struct twl6040 *twl6040 = to_twl6040(codec);
 970         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 971         int hslctl, hsrctl, earctl;
 972         int hflctl, hfrctl;
 973
 974         switch (id) {
 975         case TWL6040_DAI_DL1:
 976                 hslctl = twl6040_read(codec, TWL6040_REG_HSLCTL);
 977                 hsrctl = twl6040_read(codec, TWL6040_REG_HSRCTL);
 978                 earctl = twl6040_read(codec, TWL6040_REG_EARCTL);
 979
 980                 if (mute) {
 981                         /* Power down drivers and DACs */
 982                         earctl &= ~0x01;
 983                         hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
 984                         hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
 985
 986                 }
 987
 988                 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
 989                 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
 990                 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
 991                 priv->dl1_unmuted = !mute;
 992                 break;
 993         case TWL6040_DAI_DL2:
 994                 hflctl = twl6040_read(codec, TWL6040_REG_HFLCTL);
 995                 hfrctl = twl6040_read(codec, TWL6040_REG_HFRCTL);
 996
 997                 if (mute) {
 998                         /* Power down drivers and DACs */
 999                         hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1000                                     TWL6040_HFDRVENA | TWL6040_HFSWENA);
1001                         hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1002                                     TWL6040_HFDRVENA | TWL6040_HFSWENA);
1003                 }
1004
1005                 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
1006                 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
1007                 priv->dl2_unmuted = !mute;
1008                 break;
1009         default:
1010                 break;
1011         }
1012 }
1013
1014 static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
1015 {
1016         switch (dai->id) {
1017         case TWL6040_DAI_LEGACY:
1018                 twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute);
1019                 twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute);
1020                 break;
1021         case TWL6040_DAI_DL1:
1022         case TWL6040_DAI_DL2:
1023                 twl6040_mute_path(dai->codec, dai->id, mute);
1024                 break;
1025         default:
1026                 break;
1027         }
1028
1029         return 0;
1030 }
1031
1032 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1033         .startup        = twl6040_startup,
1034         .hw_params      = twl6040_hw_params,
1035         .prepare        = twl6040_prepare,
1036         .set_sysclk     = twl6040_set_dai_sysclk,
1037         .digital_mute   = twl6040_digital_mute,
1038 };
1039
1040 static struct snd_soc_dai_driver twl6040_dai[] = {
1041 {
1042         .name = "twl6040-legacy",
1043         .id = TWL6040_DAI_LEGACY,
1044         .playback = {
1045                 .stream_name = "Legacy Playback",
1046                 .channels_min = 1,
1047                 .channels_max = 5,
1048                 .rates = TWL6040_RATES,
1049                 .formats = TWL6040_FORMATS,
1050         },
1051         .capture = {
1052                 .stream_name = "Legacy Capture",
1053                 .channels_min = 1,
1054                 .channels_max = 2,
1055                 .rates = TWL6040_RATES,
1056                 .formats = TWL6040_FORMATS,
1057         },
1058         .ops = &twl6040_dai_ops,
1059 },
1060 {
1061         .name = "twl6040-ul",
1062         .id = TWL6040_DAI_UL,
1063         .capture = {
1064                 .stream_name = "Capture",
1065                 .channels_min = 1,
1066                 .channels_max = 2,
1067                 .rates = TWL6040_RATES,
1068                 .formats = TWL6040_FORMATS,
1069         },
1070         .ops = &twl6040_dai_ops,
1071 },
1072 {
1073         .name = "twl6040-dl1",
1074         .id = TWL6040_DAI_DL1,
1075         .playback = {
1076                 .stream_name = "Headset Playback",
1077                 .channels_min = 1,
1078                 .channels_max = 2,
1079                 .rates = TWL6040_RATES,
1080                 .formats = TWL6040_FORMATS,
1081         },
1082         .ops = &twl6040_dai_ops,
1083 },
1084 {
1085         .name = "twl6040-dl2",
1086         .id = TWL6040_DAI_DL2,
1087         .playback = {
1088                 .stream_name = "Handsfree Playback",
1089                 .channels_min = 1,
1090                 .channels_max = 2,
1091                 .rates = TWL6040_RATES,
1092                 .formats = TWL6040_FORMATS,
1093         },
1094         .ops = &twl6040_dai_ops,
1095 },
1096 {
1097         .name = "twl6040-vib",
1098         .id = TWL6040_DAI_VIB,
1099         .playback = {
1100                 .stream_name = "Vibra Playback",
1101                 .channels_min = 1,
1102                 .channels_max = 1,
1103                 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1104                 .formats = TWL6040_FORMATS,
1105         },
1106         .ops = &twl6040_dai_ops,
1107 },
1108 };
1109
1110 static int twl6040_probe(struct snd_soc_codec *codec)
1111 {
1112         struct twl6040_data *priv;
1113         struct platform_device *pdev = to_platform_device(codec->dev);
1114         int ret = 0;
1115
1116         priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL);
1117         if (priv == NULL)
1118                 return -ENOMEM;
1119
1120         snd_soc_codec_set_drvdata(codec, priv);
1121
1122         priv->codec = codec;
1123
1124         priv->plug_irq = platform_get_irq(pdev, 0);
1125         if (priv->plug_irq < 0) {
1126                 dev_err(codec->dev, "invalid irq: %d\n", priv->plug_irq);
1127                 return priv->plug_irq;
1128         }
1129
1130         INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1131
1132         mutex_init(&priv->mutex);
1133
1134         ret = request_threaded_irq(priv->plug_irq, NULL,
1135                                         twl6040_audio_handler,
1136                                         IRQF_NO_SUSPEND | IRQF_ONESHOT,
1137                                         "twl6040_irq_plug", codec);
1138         if (ret) {
1139                 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1140                 return ret;
1141         }
1142
1143         snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
1144         twl6040_init_chip(codec);
1145
1146         return 0;
1147 }
1148
1149 static int twl6040_remove(struct snd_soc_codec *codec)
1150 {
1151         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1152
1153         free_irq(priv->plug_irq, codec);
1154
1155         return 0;
1156 }
1157
1158 static const struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1159         .probe = twl6040_probe,
1160         .remove = twl6040_remove,
1161         .set_bias_level = twl6040_set_bias_level,
1162         .suspend_bias_off = true,
1163         .ignore_pmdown_time = true,
1164
1165         .component_driver = {
1166                 .controls               = twl6040_snd_controls,
1167                 .num_controls           = ARRAY_SIZE(twl6040_snd_controls),
1168                 .dapm_widgets           = twl6040_dapm_widgets,
1169                 .num_dapm_widgets       = ARRAY_SIZE(twl6040_dapm_widgets),
1170                 .dapm_routes            = intercon,
1171                 .num_dapm_routes        = ARRAY_SIZE(intercon),
1172         },
1173 };
1174
1175 static int twl6040_codec_probe(struct platform_device *pdev)
1176 {
1177         return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1178                                       twl6040_dai, ARRAY_SIZE(twl6040_dai));
1179 }
1180
1181 static int twl6040_codec_remove(struct platform_device *pdev)
1182 {
1183         snd_soc_unregister_codec(&pdev->dev);
1184         return 0;
1185 }
1186
1187 static struct platform_driver twl6040_codec_driver = {
1188         .driver = {
1189                 .name = "twl6040-codec",
1190         },
1191         .probe = twl6040_codec_probe,
1192         .remove = twl6040_codec_remove,
1193 };
1194
1195 module_platform_driver(twl6040_codec_driver);
1196
1197 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1198 MODULE_AUTHOR("Misael Lopez Cruz");
1199 MODULE_LICENSE("GPL");