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         queue_delayed_work(system_power_efficient_wq,
 433                            &priv->hs_jack.work, msecs_to_jiffies(200));
 434
 435         return IRQ_HANDLED;
 436 }
 437
 438 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
 439         struct snd_ctl_elem_value *ucontrol)
 440 {
 441         struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 442         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 443         unsigned int val;
 444
 445         /* Do not allow changes while Input/FF efect is running */
 446         val = twl6040_read_reg_volatile(codec, e->reg);
 447         if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
 448                 return -EBUSY;
 449
 450         return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
 451 }
 452
 453 /*
 454  * MICATT volume control:
 455  * from -6 to 0 dB in 6 dB steps
 456  */
 457 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
 458
 459 /*
 460  * MICGAIN volume control:
 461  * from 6 to 30 dB in 6 dB steps
 462  */
 463 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
 464
 465 /*
 466  * AFMGAIN volume control:
 467  * from -18 to 24 dB in 6 dB steps
 468  */
 469 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
 470
 471 /*
 472  * HSGAIN volume control:
 473  * from -30 to 0 dB in 2 dB steps
 474  */
 475 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
 476
 477 /*
 478  * HFGAIN volume control:
 479  * from -52 to 6 dB in 2 dB steps
 480  */
 481 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
 482
 483 /*
 484  * EPGAIN volume control:
 485  * from -24 to 6 dB in 2 dB steps
 486  */
 487 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
 488
 489 /* Left analog microphone selection */
 490 static const char *twl6040_amicl_texts[] =
 491         {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
 492
 493 /* Right analog microphone selection */
 494 static const char *twl6040_amicr_texts[] =
 495         {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
 496
 497 static const struct soc_enum twl6040_enum[] = {
 498         SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
 499         SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
 500 };
 501
 502 static const char *twl6040_hs_texts[] = {
 503         "Off", "HS DAC", "Line-In amp"
 504 };
 505
 506 static const struct soc_enum twl6040_hs_enum[] = {
 507         SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 508                         twl6040_hs_texts),
 509         SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 510                         twl6040_hs_texts),
 511 };
 512
 513 static const char *twl6040_hf_texts[] = {
 514         "Off", "HF DAC", "Line-In amp"
 515 };
 516
 517 static const struct soc_enum twl6040_hf_enum[] = {
 518         SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 519                         twl6040_hf_texts),
 520         SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 521                         twl6040_hf_texts),
 522 };
 523
 524 static const char *twl6040_vibrapath_texts[] = {
 525         "Input FF", "Audio PDM"
 526 };
 527
 528 static const struct soc_enum twl6040_vibra_enum[] = {
 529         SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
 530                         ARRAY_SIZE(twl6040_vibrapath_texts),
 531                         twl6040_vibrapath_texts),
 532         SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
 533                         ARRAY_SIZE(twl6040_vibrapath_texts),
 534                         twl6040_vibrapath_texts),
 535 };
 536
 537 static const struct snd_kcontrol_new amicl_control =
 538         SOC_DAPM_ENUM("Route", twl6040_enum[0]);
 539
 540 static const struct snd_kcontrol_new amicr_control =
 541         SOC_DAPM_ENUM("Route", twl6040_enum[1]);
 542
 543 /* Headset DAC playback switches */
 544 static const struct snd_kcontrol_new hsl_mux_controls =
 545         SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
 546
 547 static const struct snd_kcontrol_new hsr_mux_controls =
 548         SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
 549
 550 /* Handsfree DAC playback switches */
 551 static const struct snd_kcontrol_new hfl_mux_controls =
 552         SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
 553
 554 static const struct snd_kcontrol_new hfr_mux_controls =
 555         SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
 556
 557 static const struct snd_kcontrol_new ep_path_enable_control =
 558         SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0);
 559
 560 static const struct snd_kcontrol_new auxl_switch_control =
 561         SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
 562
 563 static const struct snd_kcontrol_new auxr_switch_control =
 564         SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
 565
 566 /* Vibra playback switches */
 567 static const struct snd_kcontrol_new vibral_mux_controls =
 568         SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
 569                 snd_soc_dapm_get_enum_double,
 570                 twl6040_soc_dapm_put_vibra_enum);
 571
 572 static const struct snd_kcontrol_new vibrar_mux_controls =
 573         SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
 574                 snd_soc_dapm_get_enum_double,
 575                 twl6040_soc_dapm_put_vibra_enum);
 576
 577 /* Headset power mode */
 578 static const char *twl6040_power_mode_texts[] = {
 579         "Low-Power", "High-Performance",
 580 };
 581
 582 static const struct soc_enum twl6040_power_mode_enum =
 583         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
 584                         twl6040_power_mode_texts);
 585
 586 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
 587         struct snd_ctl_elem_value *ucontrol)
 588 {
 589         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 590         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 591
 592         ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
 593
 594         return 0;
 595 }
 596
 597 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
 598         struct snd_ctl_elem_value *ucontrol)
 599 {
 600         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 601         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 602         int high_perf = ucontrol->value.enumerated.item[0];
 603         int ret = 0;
 604
 605         if (!priv->hs_power_mode_locked)
 606                 ret = headset_power_mode(codec, high_perf);
 607
 608         if (!ret)
 609                 priv->hs_power_mode = high_perf;
 610
 611         return ret;
 612 }
 613
 614 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
 615         struct snd_ctl_elem_value *ucontrol)
 616 {
 617         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 618         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 619
 620         ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
 621
 622         return 0;
 623 }
 624
 625 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
 626         struct snd_ctl_elem_value *ucontrol)
 627 {
 628         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 629         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 630
 631         priv->pll_power_mode = ucontrol->value.enumerated.item[0];
 632
 633         return 0;
 634 }
 635
 636 int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
 637 {
 638         struct snd_soc_dapm_context *dapm = &codec->dapm;
 639
 640         if (snd_soc_dapm_get_pin_status(dapm, "EP"))
 641                 return -1; /* -1dB */
 642
 643         if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
 644                 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
 645
 646                 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
 647                 if (val & TWL6040_HSDACMODE)
 648                         /* HSDACL in LP mode */
 649                         return -8; /* -8dB */
 650                 else
 651                         /* HSDACL in HP mode */
 652                         return -1; /* -1dB */
 653         }
 654         return 0; /* 0dB */
 655 }
 656 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
 657
 658 int twl6040_get_clk_id(struct snd_soc_codec *codec)
 659 {
 660         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 661
 662         return priv->pll_power_mode;
 663 }
 664 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
 665
 666 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
 667 {
 668         if (unlikely(trim >= TWL6040_TRIM_INVAL))
 669                 return -EINVAL;
 670
 671         return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
 672 }
 673 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
 674
 675 int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
 676 {
 677         struct twl6040 *twl6040 = codec->control_data;
 678
 679         if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
 680                 /* For ES under ES_1.3 HS step is 2 mV */
 681                 return 2;
 682         else
 683                 /* For ES_1.3 HS step is 1 mV */
 684                 return 1;
 685 }
 686 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
 687
 688 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
 689         /* Capture gains */
 690         SOC_DOUBLE_TLV("Capture Preamplifier Volume",
 691                 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
 692         SOC_DOUBLE_TLV("Capture Volume",
 693                 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
 694
 695         /* AFM gains */
 696         SOC_DOUBLE_TLV("Aux FM Volume",
 697                 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
 698
 699         /* Playback gains */
 700         SOC_DOUBLE_TLV("Headset Playback Volume",
 701                 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
 702         SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
 703                 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
 704         SOC_SINGLE_TLV("Earphone Playback Volume",
 705                 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
 706
 707         SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
 708                 twl6040_headset_power_get_enum,
 709                 twl6040_headset_power_put_enum),
 710
 711         SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
 712                 twl6040_pll_get_enum, twl6040_pll_put_enum),
 713 };
 714
 715 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
 716         /* Inputs */
 717         SND_SOC_DAPM_INPUT("MAINMIC"),
 718         SND_SOC_DAPM_INPUT("HSMIC"),
 719         SND_SOC_DAPM_INPUT("SUBMIC"),
 720         SND_SOC_DAPM_INPUT("AFML"),
 721         SND_SOC_DAPM_INPUT("AFMR"),
 722
 723         /* Outputs */
 724         SND_SOC_DAPM_OUTPUT("HSOL"),
 725         SND_SOC_DAPM_OUTPUT("HSOR"),
 726         SND_SOC_DAPM_OUTPUT("HFL"),
 727         SND_SOC_DAPM_OUTPUT("HFR"),
 728         SND_SOC_DAPM_OUTPUT("EP"),
 729         SND_SOC_DAPM_OUTPUT("AUXL"),
 730         SND_SOC_DAPM_OUTPUT("AUXR"),
 731         SND_SOC_DAPM_OUTPUT("VIBRAL"),
 732         SND_SOC_DAPM_OUTPUT("VIBRAR"),
 733
 734         /* Analog input muxes for the capture amplifiers */
 735         SND_SOC_DAPM_MUX("Analog Left Capture Route",
 736                         SND_SOC_NOPM, 0, 0, &amicl_control),
 737         SND_SOC_DAPM_MUX("Analog Right Capture Route",
 738                         SND_SOC_NOPM, 0, 0, &amicr_control),
 739
 740         /* Analog capture PGAs */
 741         SND_SOC_DAPM_PGA("MicAmpL",
 742                         TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
 743         SND_SOC_DAPM_PGA("MicAmpR",
 744                         TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
 745
 746         /* Auxiliary FM PGAs */
 747         SND_SOC_DAPM_PGA("AFMAmpL",
 748                         TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
 749         SND_SOC_DAPM_PGA("AFMAmpR",
 750                         TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
 751
 752         /* ADCs */
 753         SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
 754         SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
 755
 756         /* Microphone bias */
 757         SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
 758                             TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
 759         SND_SOC_DAPM_SUPPLY("Main Mic Bias",
 760                             TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
 761         SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
 762                             TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
 763         SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
 764                             TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
 765
 766         /* DACs */
 767         SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
 768         SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
 769         SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
 770         SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
 771         /* Virtual DAC for vibra path (DL4 channel) */
 772         SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
 773
 774         SND_SOC_DAPM_MUX("Handsfree Left Playback",
 775                         SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
 776         SND_SOC_DAPM_MUX("Handsfree Right Playback",
 777                         SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
 778         /* Analog playback Muxes */
 779         SND_SOC_DAPM_MUX("Headset Left Playback",
 780                         SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
 781         SND_SOC_DAPM_MUX("Headset Right Playback",
 782                         SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
 783
 784         SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
 785                         &vibral_mux_controls),
 786         SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
 787                         &vibrar_mux_controls),
 788
 789         SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
 790                         &ep_path_enable_control),
 791         SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
 792                         &auxl_switch_control),
 793         SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
 794                         &auxr_switch_control),
 795
 796         /* Analog playback drivers */
 797         SND_SOC_DAPM_OUT_DRV("HF Left Driver",
 798                         TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
 799         SND_SOC_DAPM_OUT_DRV("HF Right Driver",
 800                         TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
 801         SND_SOC_DAPM_OUT_DRV("HS Left Driver",
 802                         TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
 803         SND_SOC_DAPM_OUT_DRV("HS Right Driver",
 804                         TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
 805         SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
 806                         TWL6040_REG_EARCTL, 0, 0, NULL, 0,
 807                         twl6040_ep_drv_event,
 808                         SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 809         SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
 810                         TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
 811         SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
 812                         TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
 813
 814         SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
 815                             NULL, 0),
 816         SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
 817                             NULL, 0),
 818         SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
 819                               twl6040_hs_dac_event,
 820                               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 821
 822         /* Analog playback PGAs */
 823         SND_SOC_DAPM_PGA("HF Left PGA",
 824                         TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
 825         SND_SOC_DAPM_PGA("HF Right PGA",
 826                         TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
 827
 828 };
 829
 830 static const struct snd_soc_dapm_route intercon[] = {
 831         /* Stream -> DAC mapping */
 832         {"HSDAC Left", NULL, "Legacy Playback"},
 833         {"HSDAC Left", NULL, "Headset Playback"},
 834         {"HSDAC Right", NULL, "Legacy Playback"},
 835         {"HSDAC Right", NULL, "Headset Playback"},
 836
 837         {"HFDAC Left", NULL, "Legacy Playback"},
 838         {"HFDAC Left", NULL, "Handsfree Playback"},
 839         {"HFDAC Right", NULL, "Legacy Playback"},
 840         {"HFDAC Right", NULL, "Handsfree Playback"},
 841
 842         {"VIBRA DAC", NULL, "Legacy Playback"},
 843         {"VIBRA DAC", NULL, "Vibra Playback"},
 844
 845         /* ADC -> Stream mapping */
 846         {"Legacy Capture" , NULL, "ADC Left"},
 847         {"Capture", NULL, "ADC Left"},
 848         {"Legacy Capture", NULL, "ADC Right"},
 849         {"Capture" , NULL, "ADC Right"},
 850
 851         /* Capture path */
 852         {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
 853         {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
 854         {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
 855
 856         {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
 857         {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
 858         {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
 859
 860         {"MicAmpL", NULL, "Analog Left Capture Route"},
 861         {"MicAmpR", NULL, "Analog Right Capture Route"},
 862
 863         {"ADC Left", NULL, "MicAmpL"},
 864         {"ADC Right", NULL, "MicAmpR"},
 865
 866         /* AFM path */
 867         {"AFMAmpL", NULL, "AFML"},
 868         {"AFMAmpR", NULL, "AFMR"},
 869
 870         {"HSDAC Left", NULL, "HSDAC Power"},
 871         {"HSDAC Right", NULL, "HSDAC Power"},
 872
 873         {"Headset Left Playback", "HS DAC", "HSDAC Left"},
 874         {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
 875
 876         {"Headset Right Playback", "HS DAC", "HSDAC Right"},
 877         {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
 878
 879         {"HS Left Driver", NULL, "Headset Left Playback"},
 880         {"HS Right Driver", NULL, "Headset Right Playback"},
 881
 882         {"HSOL", NULL, "HS Left Driver"},
 883         {"HSOR", NULL, "HS Right Driver"},
 884
 885         /* Earphone playback path */
 886         {"Earphone Playback", "Switch", "HSDAC Left"},
 887         {"Earphone Driver", NULL, "Earphone Playback"},
 888         {"EP", NULL, "Earphone Driver"},
 889
 890         {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
 891         {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
 892
 893         {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
 894         {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
 895
 896         {"HF Left PGA", NULL, "Handsfree Left Playback"},
 897         {"HF Right PGA", NULL, "Handsfree Right Playback"},
 898
 899         {"HF Left Driver", NULL, "HF Left PGA"},
 900         {"HF Right Driver", NULL, "HF Right PGA"},
 901
 902         {"HFL", NULL, "HF Left Driver"},
 903         {"HFR", NULL, "HF Right Driver"},
 904
 905         {"AUXL Playback", "Switch", "HF Left PGA"},
 906         {"AUXR Playback", "Switch", "HF Right PGA"},
 907
 908         {"AUXL", NULL, "AUXL Playback"},
 909         {"AUXR", NULL, "AUXR Playback"},
 910
 911         /* Vibrator paths */
 912         {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
 913         {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
 914
 915         {"Vibra Left Driver", NULL, "Vibra Left Playback"},
 916         {"Vibra Right Driver", NULL, "Vibra Right Playback"},
 917         {"Vibra Left Driver", NULL, "Vibra Left Control"},
 918         {"Vibra Right Driver", NULL, "Vibra Right Control"},
 919
 920         {"VIBRAL", NULL, "Vibra Left Driver"},
 921         {"VIBRAR", NULL, "Vibra Right Driver"},
 922 };
 923
 924 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
 925                                 enum snd_soc_bias_level level)
 926 {
 927         struct twl6040 *twl6040 = codec->control_data;
 928         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 929         int ret;
 930
 931         switch (level) {
 932         case SND_SOC_BIAS_ON:
 933                 break;
 934         case SND_SOC_BIAS_PREPARE:
 935                 break;
 936         case SND_SOC_BIAS_STANDBY:
 937                 if (priv->codec_powered)
 938                         break;
 939
 940                 ret = twl6040_power(twl6040, 1);
 941                 if (ret)
 942                         return ret;
 943
 944                 priv->codec_powered = 1;
 945
 946                 twl6040_restore_regs(codec);
 947
 948                 /* Set external boost GPO */
 949                 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
 950                 break;
 951         case SND_SOC_BIAS_OFF:
 952                 if (!priv->codec_powered)
 953                         break;
 954
 955                 twl6040_power(twl6040, 0);
 956                 priv->codec_powered = 0;
 957                 break;
 958         }
 959
 960         codec->dapm.bias_level = level;
 961
 962         return 0;
 963 }
 964
 965 static int twl6040_startup(struct snd_pcm_substream *substream,
 966                         struct snd_soc_dai *dai)
 967 {
 968         struct snd_soc_codec *codec = dai->codec;
 969         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 970
 971         snd_pcm_hw_constraint_list(substream->runtime, 0,
 972                                 SNDRV_PCM_HW_PARAM_RATE,
 973                                 &sysclk_constraints[priv->pll_power_mode]);
 974
 975         return 0;
 976 }
 977
 978 static int twl6040_hw_params(struct snd_pcm_substream *substream,
 979                         struct snd_pcm_hw_params *params,
 980                         struct snd_soc_dai *dai)
 981 {
 982         struct snd_soc_codec *codec = dai->codec;
 983         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 984         int rate;
 985
 986         rate = params_rate(params);
 987         switch (rate) {
 988         case 11250:
 989         case 22500:
 990         case 44100:
 991         case 88200:
 992                 /* These rates are not supported when HPPLL is in use */
 993                 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
 994                         dev_err(codec->dev, "HPPLL does not support rate %d\n",
 995                                 rate);
 996                         return -EINVAL;
 997                 }
 998                 priv->sysclk = 17640000;
 999                 break;
1000         case 8000:
1001         case 16000:
1002         case 32000:
1003         case 48000:
1004         case 96000:
1005                 priv->sysclk = 19200000;
1006                 break;
1007         default:
1008                 dev_err(codec->dev, "unsupported rate %d\n", rate);
1009                 return -EINVAL;
1010         }
1011
1012         return 0;
1013 }
1014
1015 static int twl6040_prepare(struct snd_pcm_substream *substream,
1016                         struct snd_soc_dai *dai)
1017 {
1018         struct snd_soc_codec *codec = dai->codec;
1019         struct twl6040 *twl6040 = codec->control_data;
1020         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1021         int ret;
1022
1023         if (!priv->sysclk) {
1024                 dev_err(codec->dev,
1025                         "no mclk configured, call set_sysclk() on init\n");
1026                 return -EINVAL;
1027         }
1028
1029         ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1030         if (ret) {
1031                 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1032                 return -EPERM;
1033         }
1034
1035         return 0;
1036 }
1037
1038 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1039                 int clk_id, unsigned int freq, int dir)
1040 {
1041         struct snd_soc_codec *codec = codec_dai->codec;
1042         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1043
1044         switch (clk_id) {
1045         case TWL6040_SYSCLK_SEL_LPPLL:
1046         case TWL6040_SYSCLK_SEL_HPPLL:
1047                 priv->pll = clk_id;
1048                 priv->clk_in = freq;
1049                 break;
1050         default:
1051                 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1052                 return -EINVAL;
1053         }
1054
1055         return 0;
1056 }
1057
1058 static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id,
1059                              int mute)
1060 {
1061         struct twl6040 *twl6040 = codec->control_data;
1062         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1063         int hslctl, hsrctl, earctl;
1064         int hflctl, hfrctl;
1065
1066         switch (id) {
1067         case TWL6040_DAI_DL1:
1068                 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
1069                 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
1070                 earctl = twl6040_read_reg_cache(codec, TWL6040_REG_EARCTL);
1071
1072                 if (mute) {
1073                         /* Power down drivers and DACs */
1074                         earctl &= ~0x01;
1075                         hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
1076                         hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
1077
1078                 }
1079
1080                 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
1081                 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
1082                 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
1083                 priv->dl1_unmuted = !mute;
1084                 break;
1085         case TWL6040_DAI_DL2:
1086                 hflctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFLCTL);
1087                 hfrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFRCTL);
1088
1089                 if (mute) {
1090                         /* Power down drivers and DACs */
1091                         hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1092                                     TWL6040_HFDRVENA);
1093                         hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1094                                     TWL6040_HFDRVENA);
1095                 }
1096
1097                 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
1098                 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
1099                 priv->dl2_unmuted = !mute;
1100                 break;
1101         default:
1102                 break;
1103         };
1104 }
1105
1106 static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
1107 {
1108         switch (dai->id) {
1109         case TWL6040_DAI_LEGACY:
1110                 twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute);
1111                 twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute);
1112                 break;
1113         case TWL6040_DAI_DL1:
1114         case TWL6040_DAI_DL2:
1115                 twl6040_mute_path(dai->codec, dai->id, mute);
1116                 break;
1117         default:
1118                 break;
1119         }
1120
1121         return 0;
1122 }
1123
1124 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1125         .startup        = twl6040_startup,
1126         .hw_params      = twl6040_hw_params,
1127         .prepare        = twl6040_prepare,
1128         .set_sysclk     = twl6040_set_dai_sysclk,
1129         .digital_mute   = twl6040_digital_mute,
1130 };
1131
1132 static struct snd_soc_dai_driver twl6040_dai[] = {
1133 {
1134         .name = "twl6040-legacy",
1135         .id = TWL6040_DAI_LEGACY,
1136         .playback = {
1137                 .stream_name = "Legacy Playback",
1138                 .channels_min = 1,
1139                 .channels_max = 5,
1140                 .rates = TWL6040_RATES,
1141                 .formats = TWL6040_FORMATS,
1142         },
1143         .capture = {
1144                 .stream_name = "Legacy Capture",
1145                 .channels_min = 1,
1146                 .channels_max = 2,
1147                 .rates = TWL6040_RATES,
1148                 .formats = TWL6040_FORMATS,
1149         },
1150         .ops = &twl6040_dai_ops,
1151 },
1152 {
1153         .name = "twl6040-ul",
1154         .id = TWL6040_DAI_UL,
1155         .capture = {
1156                 .stream_name = "Capture",
1157                 .channels_min = 1,
1158                 .channels_max = 2,
1159                 .rates = TWL6040_RATES,
1160                 .formats = TWL6040_FORMATS,
1161         },
1162         .ops = &twl6040_dai_ops,
1163 },
1164 {
1165         .name = "twl6040-dl1",
1166         .id = TWL6040_DAI_DL1,
1167         .playback = {
1168                 .stream_name = "Headset Playback",
1169                 .channels_min = 1,
1170                 .channels_max = 2,
1171                 .rates = TWL6040_RATES,
1172                 .formats = TWL6040_FORMATS,
1173         },
1174         .ops = &twl6040_dai_ops,
1175 },
1176 {
1177         .name = "twl6040-dl2",
1178         .id = TWL6040_DAI_DL2,
1179         .playback = {
1180                 .stream_name = "Handsfree Playback",
1181                 .channels_min = 1,
1182                 .channels_max = 2,
1183                 .rates = TWL6040_RATES,
1184                 .formats = TWL6040_FORMATS,
1185         },
1186         .ops = &twl6040_dai_ops,
1187 },
1188 {
1189         .name = "twl6040-vib",
1190         .id = TWL6040_DAI_VIB,
1191         .playback = {
1192                 .stream_name = "Vibra Playback",
1193                 .channels_min = 1,
1194                 .channels_max = 1,
1195                 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1196                 .formats = TWL6040_FORMATS,
1197         },
1198         .ops = &twl6040_dai_ops,
1199 },
1200 };
1201
1202 #ifdef CONFIG_PM
1203 static int twl6040_suspend(struct snd_soc_codec *codec)
1204 {
1205         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1206
1207         return 0;
1208 }
1209
1210 static int twl6040_resume(struct snd_soc_codec *codec)
1211 {
1212         twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1213
1214         return 0;
1215 }
1216 #else
1217 #define twl6040_suspend NULL
1218 #define twl6040_resume NULL
1219 #endif
1220
1221 static int twl6040_probe(struct snd_soc_codec *codec)
1222 {
1223         struct twl6040_data *priv;
1224         struct platform_device *pdev = container_of(codec->dev,
1225                                                    struct platform_device, dev);
1226         int ret = 0;
1227
1228         priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL);
1229         if (priv == NULL)
1230                 return -ENOMEM;
1231
1232         snd_soc_codec_set_drvdata(codec, priv);
1233
1234         priv->codec = codec;
1235         codec->control_data = dev_get_drvdata(codec->dev->parent);
1236
1237         priv->plug_irq = platform_get_irq(pdev, 0);
1238         if (priv->plug_irq < 0) {
1239                 dev_err(codec->dev, "invalid irq\n");
1240                 return -EINVAL;
1241         }
1242
1243         INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1244
1245         mutex_init(&priv->mutex);
1246
1247         ret = request_threaded_irq(priv->plug_irq, NULL,
1248                                         twl6040_audio_handler, IRQF_NO_SUSPEND,
1249                                         "twl6040_irq_plug", codec);
1250         if (ret) {
1251                 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1252                 return ret;
1253         }
1254
1255         twl6040_init_chip(codec);
1256
1257         /* power on device */
1258         return twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1259 }
1260
1261 static int twl6040_remove(struct snd_soc_codec *codec)
1262 {
1263         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1264
1265         free_irq(priv->plug_irq, codec);
1266         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1267
1268         return 0;
1269 }
1270
1271 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1272         .probe = twl6040_probe,
1273         .remove = twl6040_remove,
1274         .suspend = twl6040_suspend,
1275         .resume = twl6040_resume,
1276         .read = twl6040_read_reg_cache,
1277         .write = twl6040_write,
1278         .set_bias_level = twl6040_set_bias_level,
1279         .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1280         .reg_word_size = sizeof(u8),
1281         .reg_cache_default = twl6040_reg,
1282         .ignore_pmdown_time = true,
1283
1284         .controls = twl6040_snd_controls,
1285         .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1286         .dapm_widgets = twl6040_dapm_widgets,
1287         .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1288         .dapm_routes = intercon,
1289         .num_dapm_routes = ARRAY_SIZE(intercon),
1290 };
1291
1292 static int twl6040_codec_probe(struct platform_device *pdev)
1293 {
1294         return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1295                                       twl6040_dai, ARRAY_SIZE(twl6040_dai));
1296 }
1297
1298 static int twl6040_codec_remove(struct platform_device *pdev)
1299 {
1300         snd_soc_unregister_codec(&pdev->dev);
1301         return 0;
1302 }
1303
1304 static struct platform_driver twl6040_codec_driver = {
1305         .driver = {
1306                 .name = "twl6040-codec",
1307                 .owner = THIS_MODULE,
1308         },
1309         .probe = twl6040_codec_probe,
1310         .remove = twl6040_codec_remove,
1311 };
1312
1313 module_platform_driver(twl6040_codec_driver);
1314
1315 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1316 MODULE_AUTHOR("Misael Lopez Cruz");
1317 MODULE_LICENSE("GPL");