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 /* Shadow register used by the driver */
  58 #define TWL6040_REG_SW_SHADOW   0x2F
  59 #define TWL6040_CACHEREGNUM     (TWL6040_REG_SW_SHADOW + 1)
  60
  61 /* TWL6040_REG_SW_SHADOW (0x2F) fields */
  62 #define TWL6040_EAR_PATH_ENABLE 0x01
  63
  64 struct twl6040_jack_data {
  65         struct snd_soc_jack *jack;
  66         struct delayed_work work;
  67         int report;
  68 };
  69
  70 /* codec private data */
  71 struct twl6040_data {
  72         int plug_irq;
  73         int codec_powered;
  74         int pll;
  75         int pll_power_mode;
  76         int hs_power_mode;
  77         int hs_power_mode_locked;
  78         bool dl1_unmuted;
  79         bool dl2_unmuted;
  80         unsigned int clk_in;
  81         unsigned int sysclk;
  82         struct twl6040_jack_data hs_jack;
  83         struct snd_soc_codec *codec;
  84         struct mutex mutex;
  85 };
  86
  87 /*
  88  * twl6040 register cache & default register settings
  89  */
  90 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
  91         0x00, /* not used       0x00    */
  92         0x4B, /* REG_ASICID     0x01 (ro) */
  93         0x00, /* REG_ASICREV    0x02 (ro) */
  94         0x00, /* REG_INTID      0x03    */
  95         0x00, /* REG_INTMR      0x04    */
  96         0x00, /* REG_NCPCTRL    0x05    */
  97         0x00, /* REG_LDOCTL     0x06    */
  98         0x60, /* REG_HPPLLCTL   0x07    */
  99         0x00, /* REG_LPPLLCTL   0x08    */
 100         0x4A, /* REG_LPPLLDIV   0x09    */
 101         0x00, /* REG_AMICBCTL   0x0A    */
 102         0x00, /* REG_DMICBCTL   0x0B    */
 103         0x00, /* REG_MICLCTL    0x0C    */
 104         0x00, /* REG_MICRCTL    0x0D    */
 105         0x00, /* REG_MICGAIN    0x0E    */
 106         0x1B, /* REG_LINEGAIN   0x0F    */
 107         0x00, /* REG_HSLCTL     0x10    */
 108         0x00, /* REG_HSRCTL     0x11    */
 109         0x00, /* REG_HSGAIN     0x12    */
 110         0x00, /* REG_EARCTL     0x13    */
 111         0x00, /* REG_HFLCTL     0x14    */
 112         0x00, /* REG_HFLGAIN    0x15    */
 113         0x00, /* REG_HFRCTL     0x16    */
 114         0x00, /* REG_HFRGAIN    0x17    */
 115         0x00, /* REG_VIBCTLL    0x18    */
 116         0x00, /* REG_VIBDATL    0x19    */
 117         0x00, /* REG_VIBCTLR    0x1A    */
 118         0x00, /* REG_VIBDATR    0x1B    */
 119         0x00, /* REG_HKCTL1     0x1C    */
 120         0x00, /* REG_HKCTL2     0x1D    */
 121         0x00, /* REG_GPOCTL     0x1E    */
 122         0x00, /* REG_ALB        0x1F    */
 123         0x00, /* REG_DLB        0x20    */
 124         0x00, /* not used       0x21    */
 125         0x00, /* not used       0x22    */
 126         0x00, /* not used       0x23    */
 127         0x00, /* not used       0x24    */
 128         0x00, /* not used       0x25    */
 129         0x00, /* not used       0x26    */
 130         0x00, /* not used       0x27    */
 131         0x00, /* REG_TRIM1      0x28    */
 132         0x00, /* REG_TRIM2      0x29    */
 133         0x00, /* REG_TRIM3      0x2A    */
 134         0x00, /* REG_HSOTRIM    0x2B    */
 135         0x00, /* REG_HFOTRIM    0x2C    */
 136         0x09, /* REG_ACCCTL     0x2D    */
 137         0x00, /* REG_STATUS     0x2E (ro) */
 138
 139         0x00, /* REG_SW_SHADOW  0x2F - Shadow, non HW register */
 140 };
 141
 142 /* List of registers to be restored after power up */
 143 static const int twl6040_restore_list[] = {
 144         TWL6040_REG_MICLCTL,
 145         TWL6040_REG_MICRCTL,
 146         TWL6040_REG_MICGAIN,
 147         TWL6040_REG_LINEGAIN,
 148         TWL6040_REG_HSLCTL,
 149         TWL6040_REG_HSRCTL,
 150         TWL6040_REG_HSGAIN,
 151         TWL6040_REG_EARCTL,
 152         TWL6040_REG_HFLCTL,
 153         TWL6040_REG_HFLGAIN,
 154         TWL6040_REG_HFRCTL,
 155         TWL6040_REG_HFRGAIN,
 156 };
 157
 158 /* set of rates for each pll: low-power and high-performance */
 159 static unsigned int lp_rates[] = {
 160         8000,
 161         11250,
 162         16000,
 163         22500,
 164         32000,
 165         44100,
 166         48000,
 167         88200,
 168         96000,
 169 };
 170
 171 static unsigned int hp_rates[] = {
 172         8000,
 173         16000,
 174         32000,
 175         48000,
 176         96000,
 177 };
 178
 179 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
 180         { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
 181         { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
 182 };
 183
 184 /*
 185  * read twl6040 register cache
 186  */
 187 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
 188                                                 unsigned int reg)
 189 {
 190         u8 *cache = codec->reg_cache;
 191
 192         if (reg >= TWL6040_CACHEREGNUM)
 193                 return -EIO;
 194
 195         return cache[reg];
 196 }
 197
 198 /*
 199  * write twl6040 register cache
 200  */
 201 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
 202                                                 u8 reg, u8 value)
 203 {
 204         u8 *cache = codec->reg_cache;
 205
 206         if (reg >= TWL6040_CACHEREGNUM)
 207                 return;
 208         cache[reg] = value;
 209 }
 210
 211 /*
 212  * read from twl6040 hardware register
 213  */
 214 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
 215                         unsigned int reg)
 216 {
 217         struct twl6040 *twl6040 = codec->control_data;
 218         u8 value;
 219
 220         if (reg >= TWL6040_CACHEREGNUM)
 221                 return -EIO;
 222
 223         if (likely(reg < TWL6040_REG_SW_SHADOW)) {
 224                 value = twl6040_reg_read(twl6040, reg);
 225                 twl6040_write_reg_cache(codec, reg, value);
 226         } else {
 227                 value = twl6040_read_reg_cache(codec, reg);
 228         }
 229
 230         return value;
 231 }
 232
 233 static bool twl6040_is_path_unmuted(struct snd_soc_codec *codec,
 234                                     unsigned int reg)
 235 {
 236         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 237
 238         switch (reg) {
 239         case TWL6040_REG_HSLCTL:
 240         case TWL6040_REG_HSRCTL:
 241         case TWL6040_REG_EARCTL:
 242                 /* DL1 path */
 243                 return priv->dl1_unmuted;
 244         case TWL6040_REG_HFLCTL:
 245         case TWL6040_REG_HFRCTL:
 246                 return priv->dl2_unmuted;
 247         default:
 248                 return 1;
 249         };
 250 }
 251
 252 /*
 253  * write to the twl6040 register space
 254  */
 255 static int twl6040_write(struct snd_soc_codec *codec,
 256                         unsigned int reg, unsigned int value)
 257 {
 258         struct twl6040 *twl6040 = codec->control_data;
 259
 260         if (reg >= TWL6040_CACHEREGNUM)
 261                 return -EIO;
 262
 263         twl6040_write_reg_cache(codec, reg, value);
 264         if (likely(reg < TWL6040_REG_SW_SHADOW) &&
 265             twl6040_is_path_unmuted(codec, reg))
 266                 return twl6040_reg_write(twl6040, reg, value);
 267         else
 268                 return 0;
 269 }
 270
 271 static void twl6040_init_chip(struct snd_soc_codec *codec)
 272 {
 273         struct twl6040 *twl6040 = codec->control_data;
 274         u8 val;
 275
 276         /* Update reg_cache: ASICREV, and TRIM values */
 277         val = twl6040_get_revid(twl6040);
 278         twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
 279
 280         twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1);
 281         twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2);
 282         twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3);
 283         twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM);
 284         twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM);
 285
 286         /* Change chip defaults */
 287         /* No imput selected for microphone amplifiers */
 288         twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
 289         twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
 290
 291         /*
 292          * We need to lower the default gain values, so the ramp code
 293          * can work correctly for the first playback.
 294          * This reduces the pop noise heard at the first playback.
 295          */
 296         twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff);
 297         twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e);
 298         twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d);
 299         twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d);
 300         twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0);
 301 }
 302
 303 static void twl6040_restore_regs(struct snd_soc_codec *codec)
 304 {
 305         u8 *cache = codec->reg_cache;
 306         int reg, i;
 307
 308         for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) {
 309                 reg = twl6040_restore_list[i];
 310                 twl6040_write(codec, reg, cache[reg]);
 311         }
 312 }
 313
 314 /* set headset dac and driver power mode */
 315 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
 316 {
 317         int hslctl, hsrctl;
 318         int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
 319
 320         hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
 321         hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
 322
 323         if (high_perf) {
 324                 hslctl &= ~mask;
 325                 hsrctl &= ~mask;
 326         } else {
 327                 hslctl |= mask;
 328                 hsrctl |= mask;
 329         }
 330
 331         twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
 332         twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
 333
 334         return 0;
 335 }
 336
 337 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
 338                         struct snd_kcontrol *kcontrol, int event)
 339 {
 340         struct snd_soc_codec *codec = w->codec;
 341         u8 hslctl, hsrctl;
 342
 343         /*
 344          * Workaround for Headset DC offset caused pop noise:
 345          * Both HS DAC need to be turned on (before the HS driver) and off at
 346          * the same time.
 347          */
 348         hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
 349         hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
 350         if (SND_SOC_DAPM_EVENT_ON(event)) {
 351                 hslctl |= TWL6040_HSDACENA;
 352                 hsrctl |= TWL6040_HSDACENA;
 353         } else {
 354                 hslctl &= ~TWL6040_HSDACENA;
 355                 hsrctl &= ~TWL6040_HSDACENA;
 356         }
 357         twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
 358         twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
 359
 360         msleep(1);
 361         return 0;
 362 }
 363
 364 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
 365                         struct snd_kcontrol *kcontrol, int event)
 366 {
 367         struct snd_soc_codec *codec = w->codec;
 368         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 369         int ret = 0;
 370
 371         if (SND_SOC_DAPM_EVENT_ON(event)) {
 372                 /* Earphone doesn't support low power mode */
 373                 priv->hs_power_mode_locked = 1;
 374                 ret = headset_power_mode(codec, 1);
 375         } else {
 376                 priv->hs_power_mode_locked = 0;
 377                 ret = headset_power_mode(codec, priv->hs_power_mode);
 378         }
 379
 380         msleep(1);
 381
 382         return ret;
 383 }
 384
 385 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
 386                                    struct snd_soc_jack *jack, int report)
 387 {
 388         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 389         int status;
 390
 391         mutex_lock(&priv->mutex);
 392
 393         /* Sync status */
 394         status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
 395         if (status & TWL6040_PLUGCOMP)
 396                 snd_soc_jack_report(jack, report, report);
 397         else
 398                 snd_soc_jack_report(jack, 0, report);
 399
 400         mutex_unlock(&priv->mutex);
 401 }
 402
 403 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
 404                                 struct snd_soc_jack *jack, int report)
 405 {
 406         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 407         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 408
 409         hs_jack->jack = jack;
 410         hs_jack->report = report;
 411
 412         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 413 }
 414 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
 415
 416 static void twl6040_accessory_work(struct work_struct *work)
 417 {
 418         struct twl6040_data *priv = container_of(work,
 419                                         struct twl6040_data, hs_jack.work.work);
 420         struct snd_soc_codec *codec = priv->codec;
 421         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 422
 423         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 424 }
 425
 426 /* audio interrupt handler */
 427 static irqreturn_t twl6040_audio_handler(int irq, void *data)
 428 {
 429         struct snd_soc_codec *codec = data;
 430         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 431
 432         schedule_delayed_work(&priv->hs_jack.work, msecs_to_jiffies(200));
 433
 434         return IRQ_HANDLED;
 435 }
 436
 437 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
 438         struct snd_ctl_elem_value *ucontrol)
 439 {
 440         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 441         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 442         struct snd_soc_codec *codec = widget->codec;
 443         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 444         unsigned int val;
 445
 446         /* Do not allow changes while Input/FF efect is running */
 447         val = twl6040_read_reg_volatile(codec, e->reg);
 448         if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
 449                 return -EBUSY;
 450
 451         return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
 452 }
 453
 454 /*
 455  * MICATT volume control:
 456  * from -6 to 0 dB in 6 dB steps
 457  */
 458 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
 459
 460 /*
 461  * MICGAIN volume control:
 462  * from 6 to 30 dB in 6 dB steps
 463  */
 464 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
 465
 466 /*
 467  * AFMGAIN volume control:
 468  * from -18 to 24 dB in 6 dB steps
 469  */
 470 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
 471
 472 /*
 473  * HSGAIN volume control:
 474  * from -30 to 0 dB in 2 dB steps
 475  */
 476 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
 477
 478 /*
 479  * HFGAIN volume control:
 480  * from -52 to 6 dB in 2 dB steps
 481  */
 482 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
 483
 484 /*
 485  * EPGAIN volume control:
 486  * from -24 to 6 dB in 2 dB steps
 487  */
 488 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
 489
 490 /* Left analog microphone selection */
 491 static const char *twl6040_amicl_texts[] =
 492         {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
 493
 494 /* Right analog microphone selection */
 495 static const char *twl6040_amicr_texts[] =
 496         {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
 497
 498 static const struct soc_enum twl6040_enum[] = {
 499         SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
 500         SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
 501 };
 502
 503 static const char *twl6040_hs_texts[] = {
 504         "Off", "HS DAC", "Line-In amp"
 505 };
 506
 507 static const struct soc_enum twl6040_hs_enum[] = {
 508         SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 509                         twl6040_hs_texts),
 510         SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 511                         twl6040_hs_texts),
 512 };
 513
 514 static const char *twl6040_hf_texts[] = {
 515         "Off", "HF DAC", "Line-In amp"
 516 };
 517
 518 static const struct soc_enum twl6040_hf_enum[] = {
 519         SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 520                         twl6040_hf_texts),
 521         SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 522                         twl6040_hf_texts),
 523 };
 524
 525 static const char *twl6040_vibrapath_texts[] = {
 526         "Input FF", "Audio PDM"
 527 };
 528
 529 static const struct soc_enum twl6040_vibra_enum[] = {
 530         SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
 531                         ARRAY_SIZE(twl6040_vibrapath_texts),
 532                         twl6040_vibrapath_texts),
 533         SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
 534                         ARRAY_SIZE(twl6040_vibrapath_texts),
 535                         twl6040_vibrapath_texts),
 536 };
 537
 538 static const struct snd_kcontrol_new amicl_control =
 539         SOC_DAPM_ENUM("Route", twl6040_enum[0]);
 540
 541 static const struct snd_kcontrol_new amicr_control =
 542         SOC_DAPM_ENUM("Route", twl6040_enum[1]);
 543
 544 /* Headset DAC playback switches */
 545 static const struct snd_kcontrol_new hsl_mux_controls =
 546         SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
 547
 548 static const struct snd_kcontrol_new hsr_mux_controls =
 549         SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
 550
 551 /* Handsfree DAC playback switches */
 552 static const struct snd_kcontrol_new hfl_mux_controls =
 553         SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
 554
 555 static const struct snd_kcontrol_new hfr_mux_controls =
 556         SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
 557
 558 static const struct snd_kcontrol_new ep_path_enable_control =
 559         SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0);
 560
 561 static const struct snd_kcontrol_new auxl_switch_control =
 562         SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
 563
 564 static const struct snd_kcontrol_new auxr_switch_control =
 565         SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
 566
 567 /* Vibra playback switches */
 568 static const struct snd_kcontrol_new vibral_mux_controls =
 569         SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
 570                 snd_soc_dapm_get_enum_double,
 571                 twl6040_soc_dapm_put_vibra_enum);
 572
 573 static const struct snd_kcontrol_new vibrar_mux_controls =
 574         SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
 575                 snd_soc_dapm_get_enum_double,
 576                 twl6040_soc_dapm_put_vibra_enum);
 577
 578 /* Headset power mode */
 579 static const char *twl6040_power_mode_texts[] = {
 580         "Low-Power", "High-Performance",
 581 };
 582
 583 static const struct soc_enum twl6040_power_mode_enum =
 584         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
 585                         twl6040_power_mode_texts);
 586
 587 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
 588         struct snd_ctl_elem_value *ucontrol)
 589 {
 590         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 591         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 592
 593         ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
 594
 595         return 0;
 596 }
 597
 598 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
 599         struct snd_ctl_elem_value *ucontrol)
 600 {
 601         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 602         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 603         int high_perf = ucontrol->value.enumerated.item[0];
 604         int ret = 0;
 605
 606         if (!priv->hs_power_mode_locked)
 607                 ret = headset_power_mode(codec, high_perf);
 608
 609         if (!ret)
 610                 priv->hs_power_mode = high_perf;
 611
 612         return ret;
 613 }
 614
 615 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
 616         struct snd_ctl_elem_value *ucontrol)
 617 {
 618         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 619         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 620
 621         ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
 622
 623         return 0;
 624 }
 625
 626 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
 627         struct snd_ctl_elem_value *ucontrol)
 628 {
 629         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 630         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 631
 632         priv->pll_power_mode = ucontrol->value.enumerated.item[0];
 633
 634         return 0;
 635 }
 636
 637 int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
 638 {
 639         struct snd_soc_dapm_context *dapm = &codec->dapm;
 640
 641         if (snd_soc_dapm_get_pin_status(dapm, "EP"))
 642                 return -1; /* -1dB */
 643
 644         if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
 645                 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
 646
 647                 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
 648                 if (val & TWL6040_HSDACMODE)
 649                         /* HSDACL in LP mode */
 650                         return -8; /* -8dB */
 651                 else
 652                         /* HSDACL in HP mode */
 653                         return -1; /* -1dB */
 654         }
 655         return 0; /* 0dB */
 656 }
 657 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
 658
 659 int twl6040_get_clk_id(struct snd_soc_codec *codec)
 660 {
 661         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 662
 663         return priv->pll_power_mode;
 664 }
 665 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
 666
 667 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
 668 {
 669         if (unlikely(trim >= TWL6040_TRIM_INVAL))
 670                 return -EINVAL;
 671
 672         return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
 673 }
 674 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
 675
 676 int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
 677 {
 678         struct twl6040 *twl6040 = codec->control_data;
 679
 680         if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
 681                 /* For ES under ES_1.3 HS step is 2 mV */
 682                 return 2;
 683         else
 684                 /* For ES_1.3 HS step is 1 mV */
 685                 return 1;
 686 }
 687 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
 688
 689 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
 690         /* Capture gains */
 691         SOC_DOUBLE_TLV("Capture Preamplifier Volume",
 692                 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
 693         SOC_DOUBLE_TLV("Capture Volume",
 694                 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
 695
 696         /* AFM gains */
 697         SOC_DOUBLE_TLV("Aux FM Volume",
 698                 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
 699
 700         /* Playback gains */
 701         SOC_DOUBLE_TLV("Headset Playback Volume",
 702                 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
 703         SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
 704                 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
 705         SOC_SINGLE_TLV("Earphone Playback Volume",
 706                 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
 707
 708         SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
 709                 twl6040_headset_power_get_enum,
 710                 twl6040_headset_power_put_enum),
 711
 712         SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
 713                 twl6040_pll_get_enum, twl6040_pll_put_enum),
 714 };
 715
 716 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
 717         /* Inputs */
 718         SND_SOC_DAPM_INPUT("MAINMIC"),
 719         SND_SOC_DAPM_INPUT("HSMIC"),
 720         SND_SOC_DAPM_INPUT("SUBMIC"),
 721         SND_SOC_DAPM_INPUT("AFML"),
 722         SND_SOC_DAPM_INPUT("AFMR"),
 723
 724         /* Outputs */
 725         SND_SOC_DAPM_OUTPUT("HSOL"),
 726         SND_SOC_DAPM_OUTPUT("HSOR"),
 727         SND_SOC_DAPM_OUTPUT("HFL"),
 728         SND_SOC_DAPM_OUTPUT("HFR"),
 729         SND_SOC_DAPM_OUTPUT("EP"),
 730         SND_SOC_DAPM_OUTPUT("AUXL"),
 731         SND_SOC_DAPM_OUTPUT("AUXR"),
 732         SND_SOC_DAPM_OUTPUT("VIBRAL"),
 733         SND_SOC_DAPM_OUTPUT("VIBRAR"),
 734
 735         /* Analog input muxes for the capture amplifiers */
 736         SND_SOC_DAPM_MUX("Analog Left Capture Route",
 737                         SND_SOC_NOPM, 0, 0, &amicl_control),
 738         SND_SOC_DAPM_MUX("Analog Right Capture Route",
 739                         SND_SOC_NOPM, 0, 0, &amicr_control),
 740
 741         /* Analog capture PGAs */
 742         SND_SOC_DAPM_PGA("MicAmpL",
 743                         TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
 744         SND_SOC_DAPM_PGA("MicAmpR",
 745                         TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
 746
 747         /* Auxiliary FM PGAs */
 748         SND_SOC_DAPM_PGA("AFMAmpL",
 749                         TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
 750         SND_SOC_DAPM_PGA("AFMAmpR",
 751                         TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
 752
 753         /* ADCs */
 754         SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
 755         SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
 756
 757         /* Microphone bias */
 758         SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
 759                             TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
 760         SND_SOC_DAPM_SUPPLY("Main Mic Bias",
 761                             TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
 762         SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
 763                             TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
 764         SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
 765                             TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
 766
 767         /* DACs */
 768         SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
 769         SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
 770         SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
 771         SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
 772         /* Virtual DAC for vibra path (DL4 channel) */
 773         SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
 774
 775         SND_SOC_DAPM_MUX("Handsfree Left Playback",
 776                         SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
 777         SND_SOC_DAPM_MUX("Handsfree Right Playback",
 778                         SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
 779         /* Analog playback Muxes */
 780         SND_SOC_DAPM_MUX("Headset Left Playback",
 781                         SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
 782         SND_SOC_DAPM_MUX("Headset Right Playback",
 783                         SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
 784
 785         SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
 786                         &vibral_mux_controls),
 787         SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
 788                         &vibrar_mux_controls),
 789
 790         SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
 791                         &ep_path_enable_control),
 792         SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
 793                         &auxl_switch_control),
 794         SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
 795                         &auxr_switch_control),
 796
 797         /* Analog playback drivers */
 798         SND_SOC_DAPM_OUT_DRV("HF Left Driver",
 799                         TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
 800         SND_SOC_DAPM_OUT_DRV("HF Right Driver",
 801                         TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
 802         SND_SOC_DAPM_OUT_DRV("HS Left Driver",
 803                         TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
 804         SND_SOC_DAPM_OUT_DRV("HS Right Driver",
 805                         TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
 806         SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
 807                         TWL6040_REG_EARCTL, 0, 0, NULL, 0,
 808                         twl6040_ep_drv_event,
 809                         SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 810         SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
 811                         TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
 812         SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
 813                         TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
 814
 815         SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
 816                             NULL, 0),
 817         SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
 818                             NULL, 0),
 819         SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
 820                               twl6040_hs_dac_event,
 821                               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 822
 823         /* Analog playback PGAs */
 824         SND_SOC_DAPM_PGA("HF Left PGA",
 825                         TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
 826         SND_SOC_DAPM_PGA("HF Right PGA",
 827                         TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
 828
 829 };
 830
 831 static const struct snd_soc_dapm_route intercon[] = {
 832         /* Stream -> DAC mapping */
 833         {"HSDAC Left", NULL, "Legacy Playback"},
 834         {"HSDAC Left", NULL, "Headset Playback"},
 835         {"HSDAC Right", NULL, "Legacy Playback"},
 836         {"HSDAC Right", NULL, "Headset Playback"},
 837
 838         {"HFDAC Left", NULL, "Legacy Playback"},
 839         {"HFDAC Left", NULL, "Handsfree Playback"},
 840         {"HFDAC Right", NULL, "Legacy Playback"},
 841         {"HFDAC Right", NULL, "Handsfree Playback"},
 842
 843         {"VIBRA DAC", NULL, "Legacy Playback"},
 844         {"VIBRA DAC", NULL, "Vibra Playback"},
 845
 846         /* ADC -> Stream mapping */
 847         {"Legacy Capture" , NULL, "ADC Left"},
 848         {"Capture", NULL, "ADC Left"},
 849         {"Legacy Capture", NULL, "ADC Right"},
 850         {"Capture" , NULL, "ADC Right"},
 851
 852         /* Capture path */
 853         {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
 854         {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
 855         {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
 856
 857         {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
 858         {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
 859         {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
 860
 861         {"MicAmpL", NULL, "Analog Left Capture Route"},
 862         {"MicAmpR", NULL, "Analog Right Capture Route"},
 863
 864         {"ADC Left", NULL, "MicAmpL"},
 865         {"ADC Right", NULL, "MicAmpR"},
 866
 867         /* AFM path */
 868         {"AFMAmpL", NULL, "AFML"},
 869         {"AFMAmpR", NULL, "AFMR"},
 870
 871         {"HSDAC Left", NULL, "HSDAC Power"},
 872         {"HSDAC Right", NULL, "HSDAC Power"},
 873
 874         {"Headset Left Playback", "HS DAC", "HSDAC Left"},
 875         {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
 876
 877         {"Headset Right Playback", "HS DAC", "HSDAC Right"},
 878         {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
 879
 880         {"HS Left Driver", NULL, "Headset Left Playback"},
 881         {"HS Right Driver", NULL, "Headset Right Playback"},
 882
 883         {"HSOL", NULL, "HS Left Driver"},
 884         {"HSOR", NULL, "HS Right Driver"},
 885
 886         /* Earphone playback path */
 887         {"Earphone Playback", "Switch", "HSDAC Left"},
 888         {"Earphone Driver", NULL, "Earphone Playback"},
 889         {"EP", NULL, "Earphone Driver"},
 890
 891         {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
 892         {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
 893
 894         {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
 895         {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
 896
 897         {"HF Left PGA", NULL, "Handsfree Left Playback"},
 898         {"HF Right PGA", NULL, "Handsfree Right Playback"},
 899
 900         {"HF Left Driver", NULL, "HF Left PGA"},
 901         {"HF Right Driver", NULL, "HF Right PGA"},
 902
 903         {"HFL", NULL, "HF Left Driver"},
 904         {"HFR", NULL, "HF Right Driver"},
 905
 906         {"AUXL Playback", "Switch", "HF Left PGA"},
 907         {"AUXR Playback", "Switch", "HF Right PGA"},
 908
 909         {"AUXL", NULL, "AUXL Playback"},
 910         {"AUXR", NULL, "AUXR Playback"},
 911
 912         /* Vibrator paths */
 913         {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
 914         {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
 915
 916         {"Vibra Left Driver", NULL, "Vibra Left Playback"},
 917         {"Vibra Right Driver", NULL, "Vibra Right Playback"},
 918         {"Vibra Left Driver", NULL, "Vibra Left Control"},
 919         {"Vibra Right Driver", NULL, "Vibra Right Control"},
 920
 921         {"VIBRAL", NULL, "Vibra Left Driver"},
 922         {"VIBRAR", NULL, "Vibra Right Driver"},
 923 };
 924
 925 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
 926                                 enum snd_soc_bias_level level)
 927 {
 928         struct twl6040 *twl6040 = codec->control_data;
 929         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 930         int ret;
 931
 932         switch (level) {
 933         case SND_SOC_BIAS_ON:
 934                 break;
 935         case SND_SOC_BIAS_PREPARE:
 936                 break;
 937         case SND_SOC_BIAS_STANDBY:
 938                 if (priv->codec_powered)
 939                         break;
 940
 941                 ret = twl6040_power(twl6040, 1);
 942                 if (ret)
 943                         return ret;
 944
 945                 priv->codec_powered = 1;
 946
 947                 twl6040_restore_regs(codec);
 948
 949                 /* Set external boost GPO */
 950                 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
 951                 break;
 952         case SND_SOC_BIAS_OFF:
 953                 if (!priv->codec_powered)
 954                         break;
 955
 956                 twl6040_power(twl6040, 0);
 957                 priv->codec_powered = 0;
 958                 break;
 959         }
 960
 961         codec->dapm.bias_level = level;
 962
 963         return 0;
 964 }
 965
 966 static int twl6040_startup(struct snd_pcm_substream *substream,
 967                         struct snd_soc_dai *dai)
 968 {
 969         struct snd_soc_codec *codec = dai->codec;
 970         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 971
 972         snd_pcm_hw_constraint_list(substream->runtime, 0,
 973                                 SNDRV_PCM_HW_PARAM_RATE,
 974                                 &sysclk_constraints[priv->pll_power_mode]);
 975
 976         return 0;
 977 }
 978
 979 static int twl6040_hw_params(struct snd_pcm_substream *substream,
 980                         struct snd_pcm_hw_params *params,
 981                         struct snd_soc_dai *dai)
 982 {
 983         struct snd_soc_codec *codec = dai->codec;
 984         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 985         int rate;
 986
 987         rate = params_rate(params);
 988         switch (rate) {
 989         case 11250:
 990         case 22500:
 991         case 44100:
 992         case 88200:
 993                 /* These rates are not supported when HPPLL is in use */
 994                 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
 995                         dev_err(codec->dev, "HPPLL does not support rate %d\n",
 996                                 rate);
 997                         return -EINVAL;
 998                 }
 999                 priv->sysclk = 17640000;
1000                 break;
1001         case 8000:
1002         case 16000:
1003         case 32000:
1004         case 48000:
1005         case 96000:
1006                 priv->sysclk = 19200000;
1007                 break;
1008         default:
1009                 dev_err(codec->dev, "unsupported rate %d\n", rate);
1010                 return -EINVAL;
1011         }
1012
1013         return 0;
1014 }
1015
1016 static int twl6040_prepare(struct snd_pcm_substream *substream,
1017                         struct snd_soc_dai *dai)
1018 {
1019         struct snd_soc_codec *codec = dai->codec;
1020         struct twl6040 *twl6040 = codec->control_data;
1021         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1022         int ret;
1023
1024         if (!priv->sysclk) {
1025                 dev_err(codec->dev,
1026                         "no mclk configured, call set_sysclk() on init\n");
1027                 return -EINVAL;
1028         }
1029
1030         ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1031         if (ret) {
1032                 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1033                 return -EPERM;
1034         }
1035
1036         return 0;
1037 }
1038
1039 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1040                 int clk_id, unsigned int freq, int dir)
1041 {
1042         struct snd_soc_codec *codec = codec_dai->codec;
1043         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1044
1045         switch (clk_id) {
1046         case TWL6040_SYSCLK_SEL_LPPLL:
1047         case TWL6040_SYSCLK_SEL_HPPLL:
1048                 priv->pll = clk_id;
1049                 priv->clk_in = freq;
1050                 break;
1051         default:
1052                 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1053                 return -EINVAL;
1054         }
1055
1056         return 0;
1057 }
1058
1059 static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id,
1060                              int mute)
1061 {
1062         struct twl6040 *twl6040 = codec->control_data;
1063         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1064         int hslctl, hsrctl, earctl;
1065         int hflctl, hfrctl;
1066
1067         switch (id) {
1068         case TWL6040_DAI_DL1:
1069                 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
1070                 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
1071                 earctl = twl6040_read_reg_cache(codec, TWL6040_REG_EARCTL);
1072
1073                 if (mute) {
1074                         /* Power down drivers and DACs */
1075                         earctl &= ~0x01;
1076                         hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
1077                         hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
1078
1079                 }
1080
1081                 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
1082                 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
1083                 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
1084                 priv->dl1_unmuted = !mute;
1085                 break;
1086         case TWL6040_DAI_DL2:
1087                 hflctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFLCTL);
1088                 hfrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFRCTL);
1089
1090                 if (mute) {
1091                         /* Power down drivers and DACs */
1092                         hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1093                                     TWL6040_HFDRVENA);
1094                         hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1095                                     TWL6040_HFDRVENA);
1096                 }
1097
1098                 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
1099                 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
1100                 priv->dl2_unmuted = !mute;
1101                 break;
1102         default:
1103                 break;
1104         };
1105 }
1106
1107 static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
1108 {
1109         switch (dai->id) {
1110         case TWL6040_DAI_LEGACY:
1111                 twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute);
1112                 twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute);
1113                 break;
1114         case TWL6040_DAI_DL1:
1115         case TWL6040_DAI_DL2:
1116                 twl6040_mute_path(dai->codec, dai->id, mute);
1117                 break;
1118         default:
1119                 break;
1120         }
1121
1122         return 0;
1123 }
1124
1125 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1126         .startup        = twl6040_startup,
1127         .hw_params      = twl6040_hw_params,
1128         .prepare        = twl6040_prepare,
1129         .set_sysclk     = twl6040_set_dai_sysclk,
1130         .digital_mute   = twl6040_digital_mute,
1131 };
1132
1133 static struct snd_soc_dai_driver twl6040_dai[] = {
1134 {
1135         .name = "twl6040-legacy",
1136         .id = TWL6040_DAI_LEGACY,
1137         .playback = {
1138                 .stream_name = "Legacy Playback",
1139                 .channels_min = 1,
1140                 .channels_max = 5,
1141                 .rates = TWL6040_RATES,
1142                 .formats = TWL6040_FORMATS,
1143         },
1144         .capture = {
1145                 .stream_name = "Legacy Capture",
1146                 .channels_min = 1,
1147                 .channels_max = 2,
1148                 .rates = TWL6040_RATES,
1149                 .formats = TWL6040_FORMATS,
1150         },
1151         .ops = &twl6040_dai_ops,
1152 },
1153 {
1154         .name = "twl6040-ul",
1155         .id = TWL6040_DAI_UL,
1156         .capture = {
1157                 .stream_name = "Capture",
1158                 .channels_min = 1,
1159                 .channels_max = 2,
1160                 .rates = TWL6040_RATES,
1161                 .formats = TWL6040_FORMATS,
1162         },
1163         .ops = &twl6040_dai_ops,
1164 },
1165 {
1166         .name = "twl6040-dl1",
1167         .id = TWL6040_DAI_DL1,
1168         .playback = {
1169                 .stream_name = "Headset Playback",
1170                 .channels_min = 1,
1171                 .channels_max = 2,
1172                 .rates = TWL6040_RATES,
1173                 .formats = TWL6040_FORMATS,
1174         },
1175         .ops = &twl6040_dai_ops,
1176 },
1177 {
1178         .name = "twl6040-dl2",
1179         .id = TWL6040_DAI_DL2,
1180         .playback = {
1181                 .stream_name = "Handsfree Playback",
1182                 .channels_min = 1,
1183                 .channels_max = 2,
1184                 .rates = TWL6040_RATES,
1185                 .formats = TWL6040_FORMATS,
1186         },
1187         .ops = &twl6040_dai_ops,
1188 },
1189 {
1190         .name = "twl6040-vib",
1191         .id = TWL6040_DAI_VIB,
1192         .playback = {
1193                 .stream_name = "Vibra Playback",
1194                 .channels_min = 1,
1195                 .channels_max = 1,
1196                 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1197                 .formats = TWL6040_FORMATS,
1198         },
1199         .ops = &twl6040_dai_ops,
1200 },
1201 };
1202
1203 #ifdef CONFIG_PM
1204 static int twl6040_suspend(struct snd_soc_codec *codec)
1205 {
1206         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1207
1208         return 0;
1209 }
1210
1211 static int twl6040_resume(struct snd_soc_codec *codec)
1212 {
1213         twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1214
1215         return 0;
1216 }
1217 #else
1218 #define twl6040_suspend NULL
1219 #define twl6040_resume NULL
1220 #endif
1221
1222 static int twl6040_probe(struct snd_soc_codec *codec)
1223 {
1224         struct twl6040_data *priv;
1225         struct platform_device *pdev = container_of(codec->dev,
1226                                                    struct platform_device, dev);
1227         int ret = 0;
1228
1229         priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL);
1230         if (priv == NULL)
1231                 return -ENOMEM;
1232
1233         snd_soc_codec_set_drvdata(codec, priv);
1234
1235         priv->codec = codec;
1236         codec->control_data = dev_get_drvdata(codec->dev->parent);
1237
1238         priv->plug_irq = platform_get_irq(pdev, 0);
1239         if (priv->plug_irq < 0) {
1240                 dev_err(codec->dev, "invalid irq\n");
1241                 return -EINVAL;
1242         }
1243
1244         INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1245
1246         mutex_init(&priv->mutex);
1247
1248         ret = request_threaded_irq(priv->plug_irq, NULL,
1249                                         twl6040_audio_handler, IRQF_NO_SUSPEND,
1250                                         "twl6040_irq_plug", codec);
1251         if (ret) {
1252                 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1253                 return ret;
1254         }
1255
1256         twl6040_init_chip(codec);
1257
1258         /* power on device */
1259         return twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1260 }
1261
1262 static int twl6040_remove(struct snd_soc_codec *codec)
1263 {
1264         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1265
1266         free_irq(priv->plug_irq, codec);
1267         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1268
1269         return 0;
1270 }
1271
1272 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1273         .probe = twl6040_probe,
1274         .remove = twl6040_remove,
1275         .suspend = twl6040_suspend,
1276         .resume = twl6040_resume,
1277         .read = twl6040_read_reg_cache,
1278         .write = twl6040_write,
1279         .set_bias_level = twl6040_set_bias_level,
1280         .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1281         .reg_word_size = sizeof(u8),
1282         .reg_cache_default = twl6040_reg,
1283         .ignore_pmdown_time = true,
1284
1285         .controls = twl6040_snd_controls,
1286         .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1287         .dapm_widgets = twl6040_dapm_widgets,
1288         .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1289         .dapm_routes = intercon,
1290         .num_dapm_routes = ARRAY_SIZE(intercon),
1291 };
1292
1293 static int twl6040_codec_probe(struct platform_device *pdev)
1294 {
1295         return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1296                                       twl6040_dai, ARRAY_SIZE(twl6040_dai));
1297 }
1298
1299 static int twl6040_codec_remove(struct platform_device *pdev)
1300 {
1301         snd_soc_unregister_codec(&pdev->dev);
1302         return 0;
1303 }
1304
1305 static struct platform_driver twl6040_codec_driver = {
1306         .driver = {
1307                 .name = "twl6040-codec",
1308                 .owner = THIS_MODULE,
1309         },
1310         .probe = twl6040_codec_probe,
1311         .remove = twl6040_codec_remove,
1312 };
1313
1314 module_platform_driver(twl6040_codec_driver);
1315
1316 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1317 MODULE_AUTHOR("Misael Lopez Cruz");
1318 MODULE_LICENSE("GPL");