sound/soc/codecs/twl6040.c

   1 /*
   2  * ALSA SoC TWL6040 codec driver
   3  *
   4  * Author:       Misael Lopez Cruz <x0052729@ti.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * version 2 as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  18  * 02110-1301 USA
  19  *
  20  */
  21
  22 #include <linux/module.h>
  23 #include <linux/moduleparam.h>
  24 #include <linux/init.h>
  25 #include <linux/delay.h>
  26 #include <linux/pm.h>
  27 #include <linux/platform_device.h>
  28 #include <linux/slab.h>
  29 #include <linux/mfd/twl6040.h>
  30
  31 #include <sound/core.h>
  32 #include <sound/pcm.h>
  33 #include <sound/pcm_params.h>
  34 #include <sound/soc.h>
  35 #include <sound/soc-dapm.h>
  36 #include <sound/initval.h>
  37 #include <sound/tlv.h>
  38
  39 #include "twl6040.h"
  40
  41 enum twl6040_dai_id {
  42         TWL6040_DAI_LEGACY = 0,
  43         TWL6040_DAI_UL,
  44         TWL6040_DAI_DL1,
  45         TWL6040_DAI_DL2,
  46         TWL6040_DAI_VIB,
  47 };
  48
  49 #define TWL6040_RATES           SNDRV_PCM_RATE_8000_96000
  50 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
  51
  52 #define TWL6040_OUTHS_0dB 0x00
  53 #define TWL6040_OUTHS_M30dB 0x0F
  54 #define TWL6040_OUTHF_0dB 0x03
  55 #define TWL6040_OUTHF_M52dB 0x1D
  56
  57 #define TWL6040_CACHEREGNUM     (TWL6040_REG_STATUS + 1)
  58
  59 struct twl6040_jack_data {
  60         struct snd_soc_jack *jack;
  61         struct delayed_work work;
  62         int report;
  63 };
  64
  65 /* codec private data */
  66 struct twl6040_data {
  67         int plug_irq;
  68         int codec_powered;
  69         int pll;
  70         int pll_power_mode;
  71         int hs_power_mode;
  72         int hs_power_mode_locked;
  73         bool dl1_unmuted;
  74         bool dl2_unmuted;
  75         unsigned int clk_in;
  76         unsigned int sysclk;
  77         struct twl6040_jack_data hs_jack;
  78         struct snd_soc_codec *codec;
  79         struct mutex mutex;
  80 };
  81
  82 /*
  83  * twl6040 register cache & default register settings
  84  */
  85 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
  86         0x00, /* not used       0x00    */
  87         0x4B, /* REG_ASICID     0x01 (ro) */
  88         0x00, /* REG_ASICREV    0x02 (ro) */
  89         0x00, /* REG_INTID      0x03    */
  90         0x00, /* REG_INTMR      0x04    */
  91         0x00, /* REG_NCPCTRL    0x05    */
  92         0x00, /* REG_LDOCTL     0x06    */
  93         0x60, /* REG_HPPLLCTL   0x07    */
  94         0x00, /* REG_LPPLLCTL   0x08    */
  95         0x4A, /* REG_LPPLLDIV   0x09    */
  96         0x00, /* REG_AMICBCTL   0x0A    */
  97         0x00, /* REG_DMICBCTL   0x0B    */
  98         0x00, /* REG_MICLCTL    0x0C    */
  99         0x00, /* REG_MICRCTL    0x0D    */
 100         0x00, /* REG_MICGAIN    0x0E    */
 101         0x1B, /* REG_LINEGAIN   0x0F    */
 102         0x00, /* REG_HSLCTL     0x10    */
 103         0x00, /* REG_HSRCTL     0x11    */
 104         0x00, /* REG_HSGAIN     0x12    */
 105         0x00, /* REG_EARCTL     0x13    */
 106         0x00, /* REG_HFLCTL     0x14    */
 107         0x00, /* REG_HFLGAIN    0x15    */
 108         0x00, /* REG_HFRCTL     0x16    */
 109         0x00, /* REG_HFRGAIN    0x17    */
 110         0x00, /* REG_VIBCTLL    0x18    */
 111         0x00, /* REG_VIBDATL    0x19    */
 112         0x00, /* REG_VIBCTLR    0x1A    */
 113         0x00, /* REG_VIBDATR    0x1B    */
 114         0x00, /* REG_HKCTL1     0x1C    */
 115         0x00, /* REG_HKCTL2     0x1D    */
 116         0x00, /* REG_GPOCTL     0x1E    */
 117         0x00, /* REG_ALB        0x1F    */
 118         0x00, /* REG_DLB        0x20    */
 119         0x00, /* not used       0x21    */
 120         0x00, /* not used       0x22    */
 121         0x00, /* not used       0x23    */
 122         0x00, /* not used       0x24    */
 123         0x00, /* not used       0x25    */
 124         0x00, /* not used       0x26    */
 125         0x00, /* not used       0x27    */
 126         0x00, /* REG_TRIM1      0x28    */
 127         0x00, /* REG_TRIM2      0x29    */
 128         0x00, /* REG_TRIM3      0x2A    */
 129         0x00, /* REG_HSOTRIM    0x2B    */
 130         0x00, /* REG_HFOTRIM    0x2C    */
 131         0x09, /* REG_ACCCTL     0x2D    */
 132         0x00, /* REG_STATUS     0x2E (ro) */
 133 };
 134
 135 /* List of registers to be restored after power up */
 136 static const int twl6040_restore_list[] = {
 137         TWL6040_REG_MICLCTL,
 138         TWL6040_REG_MICRCTL,
 139         TWL6040_REG_MICGAIN,
 140         TWL6040_REG_LINEGAIN,
 141         TWL6040_REG_HSLCTL,
 142         TWL6040_REG_HSRCTL,
 143         TWL6040_REG_HSGAIN,
 144         TWL6040_REG_EARCTL,
 145         TWL6040_REG_HFLCTL,
 146         TWL6040_REG_HFLGAIN,
 147         TWL6040_REG_HFRCTL,
 148         TWL6040_REG_HFRGAIN,
 149 };
 150
 151 /* set of rates for each pll: low-power and high-performance */
 152 static unsigned int lp_rates[] = {
 153         8000,
 154         11250,
 155         16000,
 156         22500,
 157         32000,
 158         44100,
 159         48000,
 160         88200,
 161         96000,
 162 };
 163
 164 static unsigned int hp_rates[] = {
 165         8000,
 166         16000,
 167         32000,
 168         48000,
 169         96000,
 170 };
 171
 172 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
 173         { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
 174         { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
 175 };
 176
 177 /*
 178  * read twl6040 register cache
 179  */
 180 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
 181                                                 unsigned int reg)
 182 {
 183         u8 *cache = codec->reg_cache;
 184
 185         if (reg >= TWL6040_CACHEREGNUM)
 186                 return -EIO;
 187
 188         return cache[reg];
 189 }
 190
 191 /*
 192  * write twl6040 register cache
 193  */
 194 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
 195                                                 u8 reg, u8 value)
 196 {
 197         u8 *cache = codec->reg_cache;
 198
 199         if (reg >= TWL6040_CACHEREGNUM)
 200                 return;
 201         cache[reg] = value;
 202 }
 203
 204 /*
 205  * read from twl6040 hardware register
 206  */
 207 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
 208                         unsigned int reg)
 209 {
 210         struct twl6040 *twl6040 = codec->control_data;
 211         u8 value;
 212
 213         if (reg >= TWL6040_CACHEREGNUM)
 214                 return -EIO;
 215
 216         value = twl6040_reg_read(twl6040, reg);
 217         twl6040_write_reg_cache(codec, reg, value);
 218
 219         return value;
 220 }
 221
 222 static bool twl6040_is_path_unmuted(struct snd_soc_codec *codec,
 223                                     unsigned int reg)
 224 {
 225         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 226
 227         switch (reg) {
 228         case TWL6040_REG_HSLCTL:
 229         case TWL6040_REG_HSRCTL:
 230         case TWL6040_REG_EARCTL:
 231                 /* DL1 path */
 232                 return priv->dl1_unmuted;
 233         case TWL6040_REG_HFLCTL:
 234         case TWL6040_REG_HFRCTL:
 235                 return priv->dl2_unmuted;
 236         default:
 237                 return 1;
 238         }
 239 }
 240
 241 /*
 242  * write to the twl6040 register space
 243  */
 244 static int twl6040_write(struct snd_soc_codec *codec,
 245                         unsigned int reg, unsigned int value)
 246 {
 247         struct twl6040 *twl6040 = codec->control_data;
 248
 249         if (reg >= TWL6040_CACHEREGNUM)
 250                 return -EIO;
 251
 252         twl6040_write_reg_cache(codec, reg, value);
 253         if (twl6040_is_path_unmuted(codec, reg))
 254                 return twl6040_reg_write(twl6040, reg, value);
 255         else
 256                 return 0;
 257 }
 258
 259 static void twl6040_init_chip(struct snd_soc_codec *codec)
 260 {
 261         struct twl6040 *twl6040 = codec->control_data;
 262         u8 val;
 263
 264         /* Update reg_cache: ASICREV, and TRIM values */
 265         val = twl6040_get_revid(twl6040);
 266         twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
 267
 268         twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1);
 269         twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2);
 270         twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3);
 271         twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM);
 272         twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM);
 273
 274         /* Change chip defaults */
 275         /* No imput selected for microphone amplifiers */
 276         twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
 277         twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
 278
 279         /*
 280          * We need to lower the default gain values, so the ramp code
 281          * can work correctly for the first playback.
 282          * This reduces the pop noise heard at the first playback.
 283          */
 284         twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff);
 285         twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e);
 286         twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d);
 287         twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d);
 288         twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0);
 289 }
 290
 291 static void twl6040_restore_regs(struct snd_soc_codec *codec)
 292 {
 293         u8 *cache = codec->reg_cache;
 294         int reg, i;
 295
 296         for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) {
 297                 reg = twl6040_restore_list[i];
 298                 twl6040_write(codec, reg, cache[reg]);
 299         }
 300 }
 301
 302 /* set headset dac and driver power mode */
 303 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
 304 {
 305         int hslctl, hsrctl;
 306         int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
 307
 308         hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
 309         hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
 310
 311         if (high_perf) {
 312                 hslctl &= ~mask;
 313                 hsrctl &= ~mask;
 314         } else {
 315                 hslctl |= mask;
 316                 hsrctl |= mask;
 317         }
 318
 319         twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
 320         twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
 321
 322         return 0;
 323 }
 324
 325 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
 326                         struct snd_kcontrol *kcontrol, int event)
 327 {
 328         struct snd_soc_codec *codec = w->codec;
 329         u8 hslctl, hsrctl;
 330
 331         /*
 332          * Workaround for Headset DC offset caused pop noise:
 333          * Both HS DAC need to be turned on (before the HS driver) and off at
 334          * the same time.
 335          */
 336         hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
 337         hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
 338         if (SND_SOC_DAPM_EVENT_ON(event)) {
 339                 hslctl |= TWL6040_HSDACENA;
 340                 hsrctl |= TWL6040_HSDACENA;
 341         } else {
 342                 hslctl &= ~TWL6040_HSDACENA;
 343                 hsrctl &= ~TWL6040_HSDACENA;
 344         }
 345         twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
 346         twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
 347
 348         msleep(1);
 349         return 0;
 350 }
 351
 352 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
 353                         struct snd_kcontrol *kcontrol, int event)
 354 {
 355         struct snd_soc_codec *codec = w->codec;
 356         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 357         int ret = 0;
 358
 359         if (SND_SOC_DAPM_EVENT_ON(event)) {
 360                 /* Earphone doesn't support low power mode */
 361                 priv->hs_power_mode_locked = 1;
 362                 ret = headset_power_mode(codec, 1);
 363         } else {
 364                 priv->hs_power_mode_locked = 0;
 365                 ret = headset_power_mode(codec, priv->hs_power_mode);
 366         }
 367
 368         msleep(1);
 369
 370         return ret;
 371 }
 372
 373 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
 374                                    struct snd_soc_jack *jack, int report)
 375 {
 376         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 377         int status;
 378
 379         mutex_lock(&priv->mutex);
 380
 381         /* Sync status */
 382         status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
 383         if (status & TWL6040_PLUGCOMP)
 384                 snd_soc_jack_report(jack, report, report);
 385         else
 386                 snd_soc_jack_report(jack, 0, report);
 387
 388         mutex_unlock(&priv->mutex);
 389 }
 390
 391 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
 392                                 struct snd_soc_jack *jack, int report)
 393 {
 394         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 395         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 396
 397         hs_jack->jack = jack;
 398         hs_jack->report = report;
 399
 400         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 401 }
 402 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
 403
 404 static void twl6040_accessory_work(struct work_struct *work)
 405 {
 406         struct twl6040_data *priv = container_of(work,
 407                                         struct twl6040_data, hs_jack.work.work);
 408         struct snd_soc_codec *codec = priv->codec;
 409         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 410
 411         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 412 }
 413
 414 /* audio interrupt handler */
 415 static irqreturn_t twl6040_audio_handler(int irq, void *data)
 416 {
 417         struct snd_soc_codec *codec = data;
 418         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 419
 420         queue_delayed_work(system_power_efficient_wq,
 421                            &priv->hs_jack.work, msecs_to_jiffies(200));
 422
 423         return IRQ_HANDLED;
 424 }
 425
 426 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
 427         struct snd_ctl_elem_value *ucontrol)
 428 {
 429         struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 430         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 431         unsigned int val;
 432
 433         /* Do not allow changes while Input/FF efect is running */
 434         val = twl6040_read_reg_volatile(codec, e->reg);
 435         if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
 436                 return -EBUSY;
 437
 438         return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
 439 }
 440
 441 /*
 442  * MICATT volume control:
 443  * from -6 to 0 dB in 6 dB steps
 444  */
 445 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
 446
 447 /*
 448  * MICGAIN volume control:
 449  * from 6 to 30 dB in 6 dB steps
 450  */
 451 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
 452
 453 /*
 454  * AFMGAIN volume control:
 455  * from -18 to 24 dB in 6 dB steps
 456  */
 457 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
 458
 459 /*
 460  * HSGAIN volume control:
 461  * from -30 to 0 dB in 2 dB steps
 462  */
 463 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
 464
 465 /*
 466  * HFGAIN volume control:
 467  * from -52 to 6 dB in 2 dB steps
 468  */
 469 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
 470
 471 /*
 472  * EPGAIN volume control:
 473  * from -24 to 6 dB in 2 dB steps
 474  */
 475 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
 476
 477 /* Left analog microphone selection */
 478 static const char *twl6040_amicl_texts[] =
 479         {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
 480
 481 /* Right analog microphone selection */
 482 static const char *twl6040_amicr_texts[] =
 483         {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
 484
 485 static const struct soc_enum twl6040_enum[] = {
 486         SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
 487         SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
 488 };
 489
 490 static const char *twl6040_hs_texts[] = {
 491         "Off", "HS DAC", "Line-In amp"
 492 };
 493
 494 static const struct soc_enum twl6040_hs_enum[] = {
 495         SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 496                         twl6040_hs_texts),
 497         SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 498                         twl6040_hs_texts),
 499 };
 500
 501 static const char *twl6040_hf_texts[] = {
 502         "Off", "HF DAC", "Line-In amp"
 503 };
 504
 505 static const struct soc_enum twl6040_hf_enum[] = {
 506         SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 507                         twl6040_hf_texts),
 508         SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 509                         twl6040_hf_texts),
 510 };
 511
 512 static const char *twl6040_vibrapath_texts[] = {
 513         "Input FF", "Audio PDM"
 514 };
 515
 516 static const struct soc_enum twl6040_vibra_enum[] = {
 517         SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
 518                         ARRAY_SIZE(twl6040_vibrapath_texts),
 519                         twl6040_vibrapath_texts),
 520         SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
 521                         ARRAY_SIZE(twl6040_vibrapath_texts),
 522                         twl6040_vibrapath_texts),
 523 };
 524
 525 static const struct snd_kcontrol_new amicl_control =
 526         SOC_DAPM_ENUM("Route", twl6040_enum[0]);
 527
 528 static const struct snd_kcontrol_new amicr_control =
 529         SOC_DAPM_ENUM("Route", twl6040_enum[1]);
 530
 531 /* Headset DAC playback switches */
 532 static const struct snd_kcontrol_new hsl_mux_controls =
 533         SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
 534
 535 static const struct snd_kcontrol_new hsr_mux_controls =
 536         SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
 537
 538 /* Handsfree DAC playback switches */
 539 static const struct snd_kcontrol_new hfl_mux_controls =
 540         SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
 541
 542 static const struct snd_kcontrol_new hfr_mux_controls =
 543         SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
 544
 545 static const struct snd_kcontrol_new ep_path_enable_control =
 546         SOC_DAPM_SINGLE_VIRT("Switch", 1);
 547
 548 static const struct snd_kcontrol_new auxl_switch_control =
 549         SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
 550
 551 static const struct snd_kcontrol_new auxr_switch_control =
 552         SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
 553
 554 /* Vibra playback switches */
 555 static const struct snd_kcontrol_new vibral_mux_controls =
 556         SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
 557                 snd_soc_dapm_get_enum_double,
 558                 twl6040_soc_dapm_put_vibra_enum);
 559
 560 static const struct snd_kcontrol_new vibrar_mux_controls =
 561         SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
 562                 snd_soc_dapm_get_enum_double,
 563                 twl6040_soc_dapm_put_vibra_enum);
 564
 565 /* Headset power mode */
 566 static const char *twl6040_power_mode_texts[] = {
 567         "Low-Power", "High-Performance",
 568 };
 569
 570 static const struct soc_enum twl6040_power_mode_enum =
 571         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
 572                         twl6040_power_mode_texts);
 573
 574 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
 575         struct snd_ctl_elem_value *ucontrol)
 576 {
 577         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 578         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 579
 580         ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
 581
 582         return 0;
 583 }
 584
 585 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
 586         struct snd_ctl_elem_value *ucontrol)
 587 {
 588         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 589         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 590         int high_perf = ucontrol->value.enumerated.item[0];
 591         int ret = 0;
 592
 593         if (!priv->hs_power_mode_locked)
 594                 ret = headset_power_mode(codec, high_perf);
 595
 596         if (!ret)
 597                 priv->hs_power_mode = high_perf;
 598
 599         return ret;
 600 }
 601
 602 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
 603         struct snd_ctl_elem_value *ucontrol)
 604 {
 605         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 606         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 607
 608         ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
 609
 610         return 0;
 611 }
 612
 613 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
 614         struct snd_ctl_elem_value *ucontrol)
 615 {
 616         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 617         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 618
 619         priv->pll_power_mode = ucontrol->value.enumerated.item[0];
 620
 621         return 0;
 622 }
 623
 624 int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
 625 {
 626         struct snd_soc_dapm_context *dapm = &codec->dapm;
 627
 628         if (snd_soc_dapm_get_pin_status(dapm, "EP"))
 629                 return -1; /* -1dB */
 630
 631         if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
 632                 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
 633
 634                 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
 635                 if (val & TWL6040_HSDACMODE)
 636                         /* HSDACL in LP mode */
 637                         return -8; /* -8dB */
 638                 else
 639                         /* HSDACL in HP mode */
 640                         return -1; /* -1dB */
 641         }
 642         return 0; /* 0dB */
 643 }
 644 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
 645
 646 int twl6040_get_clk_id(struct snd_soc_codec *codec)
 647 {
 648         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 649
 650         return priv->pll_power_mode;
 651 }
 652 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
 653
 654 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
 655 {
 656         if (unlikely(trim >= TWL6040_TRIM_INVAL))
 657                 return -EINVAL;
 658
 659         return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
 660 }
 661 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
 662
 663 int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
 664 {
 665         struct twl6040 *twl6040 = codec->control_data;
 666
 667         if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
 668                 /* For ES under ES_1.3 HS step is 2 mV */
 669                 return 2;
 670         else
 671                 /* For ES_1.3 HS step is 1 mV */
 672                 return 1;
 673 }
 674 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
 675
 676 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
 677         /* Capture gains */
 678         SOC_DOUBLE_TLV("Capture Preamplifier Volume",
 679                 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
 680         SOC_DOUBLE_TLV("Capture Volume",
 681                 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
 682
 683         /* AFM gains */
 684         SOC_DOUBLE_TLV("Aux FM Volume",
 685                 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
 686
 687         /* Playback gains */
 688         SOC_DOUBLE_TLV("Headset Playback Volume",
 689                 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
 690         SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
 691                 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
 692         SOC_SINGLE_TLV("Earphone Playback Volume",
 693                 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
 694
 695         SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
 696                 twl6040_headset_power_get_enum,
 697                 twl6040_headset_power_put_enum),
 698
 699         SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
 700                 twl6040_pll_get_enum, twl6040_pll_put_enum),
 701 };
 702
 703 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
 704         /* Inputs */
 705         SND_SOC_DAPM_INPUT("MAINMIC"),
 706         SND_SOC_DAPM_INPUT("HSMIC"),
 707         SND_SOC_DAPM_INPUT("SUBMIC"),
 708         SND_SOC_DAPM_INPUT("AFML"),
 709         SND_SOC_DAPM_INPUT("AFMR"),
 710
 711         /* Outputs */
 712         SND_SOC_DAPM_OUTPUT("HSOL"),
 713         SND_SOC_DAPM_OUTPUT("HSOR"),
 714         SND_SOC_DAPM_OUTPUT("HFL"),
 715         SND_SOC_DAPM_OUTPUT("HFR"),
 716         SND_SOC_DAPM_OUTPUT("EP"),
 717         SND_SOC_DAPM_OUTPUT("AUXL"),
 718         SND_SOC_DAPM_OUTPUT("AUXR"),
 719         SND_SOC_DAPM_OUTPUT("VIBRAL"),
 720         SND_SOC_DAPM_OUTPUT("VIBRAR"),
 721
 722         /* Analog input muxes for the capture amplifiers */
 723         SND_SOC_DAPM_MUX("Analog Left Capture Route",
 724                         SND_SOC_NOPM, 0, 0, &amicl_control),
 725         SND_SOC_DAPM_MUX("Analog Right Capture Route",
 726                         SND_SOC_NOPM, 0, 0, &amicr_control),
 727
 728         /* Analog capture PGAs */
 729         SND_SOC_DAPM_PGA("MicAmpL",
 730                         TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
 731         SND_SOC_DAPM_PGA("MicAmpR",
 732                         TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
 733
 734         /* Auxiliary FM PGAs */
 735         SND_SOC_DAPM_PGA("AFMAmpL",
 736                         TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
 737         SND_SOC_DAPM_PGA("AFMAmpR",
 738                         TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
 739
 740         /* ADCs */
 741         SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
 742         SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
 743
 744         /* Microphone bias */
 745         SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
 746                             TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
 747         SND_SOC_DAPM_SUPPLY("Main Mic Bias",
 748                             TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
 749         SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
 750                             TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
 751         SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
 752                             TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
 753
 754         /* DACs */
 755         SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
 756         SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
 757         SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
 758         SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
 759         /* Virtual DAC for vibra path (DL4 channel) */
 760         SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
 761
 762         SND_SOC_DAPM_MUX("Handsfree Left Playback",
 763                         SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
 764         SND_SOC_DAPM_MUX("Handsfree Right Playback",
 765                         SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
 766         /* Analog playback Muxes */
 767         SND_SOC_DAPM_MUX("Headset Left Playback",
 768                         SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
 769         SND_SOC_DAPM_MUX("Headset Right Playback",
 770                         SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
 771
 772         SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
 773                         &vibral_mux_controls),
 774         SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
 775                         &vibrar_mux_controls),
 776
 777         SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
 778                         &ep_path_enable_control),
 779         SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
 780                         &auxl_switch_control),
 781         SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
 782                         &auxr_switch_control),
 783
 784         /* Analog playback drivers */
 785         SND_SOC_DAPM_OUT_DRV("HF Left Driver",
 786                         TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
 787         SND_SOC_DAPM_OUT_DRV("HF Right Driver",
 788                         TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
 789         SND_SOC_DAPM_OUT_DRV("HS Left Driver",
 790                         TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
 791         SND_SOC_DAPM_OUT_DRV("HS Right Driver",
 792                         TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
 793         SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
 794                         TWL6040_REG_EARCTL, 0, 0, NULL, 0,
 795                         twl6040_ep_drv_event,
 796                         SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 797         SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
 798                         TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
 799         SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
 800                         TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
 801
 802         SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
 803                             NULL, 0),
 804         SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
 805                             NULL, 0),
 806         SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
 807                               twl6040_hs_dac_event,
 808                               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 809
 810         /* Analog playback PGAs */
 811         SND_SOC_DAPM_PGA("HF Left PGA",
 812                         TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
 813         SND_SOC_DAPM_PGA("HF Right PGA",
 814                         TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
 815
 816 };
 817
 818 static const struct snd_soc_dapm_route intercon[] = {
 819         /* Stream -> DAC mapping */
 820         {"HSDAC Left", NULL, "Legacy Playback"},
 821         {"HSDAC Left", NULL, "Headset Playback"},
 822         {"HSDAC Right", NULL, "Legacy Playback"},
 823         {"HSDAC Right", NULL, "Headset Playback"},
 824
 825         {"HFDAC Left", NULL, "Legacy Playback"},
 826         {"HFDAC Left", NULL, "Handsfree Playback"},
 827         {"HFDAC Right", NULL, "Legacy Playback"},
 828         {"HFDAC Right", NULL, "Handsfree Playback"},
 829
 830         {"VIBRA DAC", NULL, "Legacy Playback"},
 831         {"VIBRA DAC", NULL, "Vibra Playback"},
 832
 833         /* ADC -> Stream mapping */
 834         {"Legacy Capture" , NULL, "ADC Left"},
 835         {"Capture", NULL, "ADC Left"},
 836         {"Legacy Capture", NULL, "ADC Right"},
 837         {"Capture" , NULL, "ADC Right"},
 838
 839         /* Capture path */
 840         {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
 841         {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
 842         {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
 843
 844         {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
 845         {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
 846         {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
 847
 848         {"MicAmpL", NULL, "Analog Left Capture Route"},
 849         {"MicAmpR", NULL, "Analog Right Capture Route"},
 850
 851         {"ADC Left", NULL, "MicAmpL"},
 852         {"ADC Right", NULL, "MicAmpR"},
 853
 854         /* AFM path */
 855         {"AFMAmpL", NULL, "AFML"},
 856         {"AFMAmpR", NULL, "AFMR"},
 857
 858         {"HSDAC Left", NULL, "HSDAC Power"},
 859         {"HSDAC Right", NULL, "HSDAC Power"},
 860
 861         {"Headset Left Playback", "HS DAC", "HSDAC Left"},
 862         {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
 863
 864         {"Headset Right Playback", "HS DAC", "HSDAC Right"},
 865         {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
 866
 867         {"HS Left Driver", NULL, "Headset Left Playback"},
 868         {"HS Right Driver", NULL, "Headset Right Playback"},
 869
 870         {"HSOL", NULL, "HS Left Driver"},
 871         {"HSOR", NULL, "HS Right Driver"},
 872
 873         /* Earphone playback path */
 874         {"Earphone Playback", "Switch", "HSDAC Left"},
 875         {"Earphone Driver", NULL, "Earphone Playback"},
 876         {"EP", NULL, "Earphone Driver"},
 877
 878         {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
 879         {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
 880
 881         {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
 882         {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
 883
 884         {"HF Left PGA", NULL, "Handsfree Left Playback"},
 885         {"HF Right PGA", NULL, "Handsfree Right Playback"},
 886
 887         {"HF Left Driver", NULL, "HF Left PGA"},
 888         {"HF Right Driver", NULL, "HF Right PGA"},
 889
 890         {"HFL", NULL, "HF Left Driver"},
 891         {"HFR", NULL, "HF Right Driver"},
 892
 893         {"AUXL Playback", "Switch", "HF Left PGA"},
 894         {"AUXR Playback", "Switch", "HF Right PGA"},
 895
 896         {"AUXL", NULL, "AUXL Playback"},
 897         {"AUXR", NULL, "AUXR Playback"},
 898
 899         /* Vibrator paths */
 900         {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
 901         {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
 902
 903         {"Vibra Left Driver", NULL, "Vibra Left Playback"},
 904         {"Vibra Right Driver", NULL, "Vibra Right Playback"},
 905         {"Vibra Left Driver", NULL, "Vibra Left Control"},
 906         {"Vibra Right Driver", NULL, "Vibra Right Control"},
 907
 908         {"VIBRAL", NULL, "Vibra Left Driver"},
 909         {"VIBRAR", NULL, "Vibra Right Driver"},
 910 };
 911
 912 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
 913                                 enum snd_soc_bias_level level)
 914 {
 915         struct twl6040 *twl6040 = codec->control_data;
 916         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 917         int ret;
 918
 919         switch (level) {
 920         case SND_SOC_BIAS_ON:
 921                 break;
 922         case SND_SOC_BIAS_PREPARE:
 923                 break;
 924         case SND_SOC_BIAS_STANDBY:
 925                 if (priv->codec_powered)
 926                         break;
 927
 928                 ret = twl6040_power(twl6040, 1);
 929                 if (ret)
 930                         return ret;
 931
 932                 priv->codec_powered = 1;
 933
 934                 twl6040_restore_regs(codec);
 935
 936                 /* Set external boost GPO */
 937                 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
 938                 break;
 939         case SND_SOC_BIAS_OFF:
 940                 if (!priv->codec_powered)
 941                         break;
 942
 943                 twl6040_power(twl6040, 0);
 944                 priv->codec_powered = 0;
 945                 break;
 946         }
 947
 948         codec->dapm.bias_level = level;
 949
 950         return 0;
 951 }
 952
 953 static int twl6040_startup(struct snd_pcm_substream *substream,
 954                         struct snd_soc_dai *dai)
 955 {
 956         struct snd_soc_codec *codec = dai->codec;
 957         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 958
 959         snd_pcm_hw_constraint_list(substream->runtime, 0,
 960                                 SNDRV_PCM_HW_PARAM_RATE,
 961                                 &sysclk_constraints[priv->pll_power_mode]);
 962
 963         return 0;
 964 }
 965
 966 static int twl6040_hw_params(struct snd_pcm_substream *substream,
 967                         struct snd_pcm_hw_params *params,
 968                         struct snd_soc_dai *dai)
 969 {
 970         struct snd_soc_codec *codec = dai->codec;
 971         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 972         int rate;
 973
 974         rate = params_rate(params);
 975         switch (rate) {
 976         case 11250:
 977         case 22500:
 978         case 44100:
 979         case 88200:
 980                 /* These rates are not supported when HPPLL is in use */
 981                 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
 982                         dev_err(codec->dev, "HPPLL does not support rate %d\n",
 983                                 rate);
 984                         return -EINVAL;
 985                 }
 986                 priv->sysclk = 17640000;
 987                 break;
 988         case 8000:
 989         case 16000:
 990         case 32000:
 991         case 48000:
 992         case 96000:
 993                 priv->sysclk = 19200000;
 994                 break;
 995         default:
 996                 dev_err(codec->dev, "unsupported rate %d\n", rate);
 997                 return -EINVAL;
 998         }
 999
1000         return 0;
1001 }
1002
1003 static int twl6040_prepare(struct snd_pcm_substream *substream,
1004                         struct snd_soc_dai *dai)
1005 {
1006         struct snd_soc_codec *codec = dai->codec;
1007         struct twl6040 *twl6040 = codec->control_data;
1008         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1009         int ret;
1010
1011         if (!priv->sysclk) {
1012                 dev_err(codec->dev,
1013                         "no mclk configured, call set_sysclk() on init\n");
1014                 return -EINVAL;
1015         }
1016
1017         ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1018         if (ret) {
1019                 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1020                 return -EPERM;
1021         }
1022
1023         return 0;
1024 }
1025
1026 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1027                 int clk_id, unsigned int freq, int dir)
1028 {
1029         struct snd_soc_codec *codec = codec_dai->codec;
1030         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1031
1032         switch (clk_id) {
1033         case TWL6040_SYSCLK_SEL_LPPLL:
1034         case TWL6040_SYSCLK_SEL_HPPLL:
1035                 priv->pll = clk_id;
1036                 priv->clk_in = freq;
1037                 break;
1038         default:
1039                 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1040                 return -EINVAL;
1041         }
1042
1043         return 0;
1044 }
1045
1046 static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id id,
1047                              int mute)
1048 {
1049         struct twl6040 *twl6040 = codec->control_data;
1050         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1051         int hslctl, hsrctl, earctl;
1052         int hflctl, hfrctl;
1053
1054         switch (id) {
1055         case TWL6040_DAI_DL1:
1056                 hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
1057                 hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
1058                 earctl = twl6040_read_reg_cache(codec, TWL6040_REG_EARCTL);
1059
1060                 if (mute) {
1061                         /* Power down drivers and DACs */
1062                         earctl &= ~0x01;
1063                         hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
1064                         hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
1065
1066                 }
1067
1068                 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
1069                 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
1070                 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
1071                 priv->dl1_unmuted = !mute;
1072                 break;
1073         case TWL6040_DAI_DL2:
1074                 hflctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFLCTL);
1075                 hfrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HFRCTL);
1076
1077                 if (mute) {
1078                         /* Power down drivers and DACs */
1079                         hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1080                                     TWL6040_HFDRVENA);
1081                         hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1082                                     TWL6040_HFDRVENA);
1083                 }
1084
1085                 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
1086                 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
1087                 priv->dl2_unmuted = !mute;
1088                 break;
1089         default:
1090                 break;
1091         }
1092 }
1093
1094 static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
1095 {
1096         switch (dai->id) {
1097         case TWL6040_DAI_LEGACY:
1098                 twl6040_mute_path(dai->codec, TWL6040_DAI_DL1, mute);
1099                 twl6040_mute_path(dai->codec, TWL6040_DAI_DL2, mute);
1100                 break;
1101         case TWL6040_DAI_DL1:
1102         case TWL6040_DAI_DL2:
1103                 twl6040_mute_path(dai->codec, dai->id, mute);
1104                 break;
1105         default:
1106                 break;
1107         }
1108
1109         return 0;
1110 }
1111
1112 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1113         .startup        = twl6040_startup,
1114         .hw_params      = twl6040_hw_params,
1115         .prepare        = twl6040_prepare,
1116         .set_sysclk     = twl6040_set_dai_sysclk,
1117         .digital_mute   = twl6040_digital_mute,
1118 };
1119
1120 static struct snd_soc_dai_driver twl6040_dai[] = {
1121 {
1122         .name = "twl6040-legacy",
1123         .id = TWL6040_DAI_LEGACY,
1124         .playback = {
1125                 .stream_name = "Legacy Playback",
1126                 .channels_min = 1,
1127                 .channels_max = 5,
1128                 .rates = TWL6040_RATES,
1129                 .formats = TWL6040_FORMATS,
1130         },
1131         .capture = {
1132                 .stream_name = "Legacy Capture",
1133                 .channels_min = 1,
1134                 .channels_max = 2,
1135                 .rates = TWL6040_RATES,
1136                 .formats = TWL6040_FORMATS,
1137         },
1138         .ops = &twl6040_dai_ops,
1139 },
1140 {
1141         .name = "twl6040-ul",
1142         .id = TWL6040_DAI_UL,
1143         .capture = {
1144                 .stream_name = "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-dl1",
1154         .id = TWL6040_DAI_DL1,
1155         .playback = {
1156                 .stream_name = "Headset Playback",
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-dl2",
1166         .id = TWL6040_DAI_DL2,
1167         .playback = {
1168                 .stream_name = "Handsfree 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-vib",
1178         .id = TWL6040_DAI_VIB,
1179         .playback = {
1180                 .stream_name = "Vibra Playback",
1181                 .channels_min = 1,
1182                 .channels_max = 1,
1183                 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1184                 .formats = TWL6040_FORMATS,
1185         },
1186         .ops = &twl6040_dai_ops,
1187 },
1188 };
1189
1190 #ifdef CONFIG_PM
1191 static int twl6040_suspend(struct snd_soc_codec *codec)
1192 {
1193         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1194
1195         return 0;
1196 }
1197
1198 static int twl6040_resume(struct snd_soc_codec *codec)
1199 {
1200         twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1201
1202         return 0;
1203 }
1204 #else
1205 #define twl6040_suspend NULL
1206 #define twl6040_resume NULL
1207 #endif
1208
1209 static int twl6040_probe(struct snd_soc_codec *codec)
1210 {
1211         struct twl6040_data *priv;
1212         struct platform_device *pdev = container_of(codec->dev,
1213                                                    struct platform_device, dev);
1214         int ret = 0;
1215
1216         priv = devm_kzalloc(codec->dev, sizeof(*priv), GFP_KERNEL);
1217         if (priv == NULL)
1218                 return -ENOMEM;
1219
1220         snd_soc_codec_set_drvdata(codec, priv);
1221
1222         priv->codec = codec;
1223         codec->control_data = dev_get_drvdata(codec->dev->parent);
1224
1225         priv->plug_irq = platform_get_irq(pdev, 0);
1226         if (priv->plug_irq < 0) {
1227                 dev_err(codec->dev, "invalid irq\n");
1228                 return -EINVAL;
1229         }
1230
1231         INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1232
1233         mutex_init(&priv->mutex);
1234
1235         ret = request_threaded_irq(priv->plug_irq, NULL,
1236                                         twl6040_audio_handler, IRQF_NO_SUSPEND,
1237                                         "twl6040_irq_plug", codec);
1238         if (ret) {
1239                 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1240                 return ret;
1241         }
1242
1243         twl6040_init_chip(codec);
1244
1245         /* power on device */
1246         return twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1247 }
1248
1249 static int twl6040_remove(struct snd_soc_codec *codec)
1250 {
1251         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1252
1253         free_irq(priv->plug_irq, codec);
1254         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1255
1256         return 0;
1257 }
1258
1259 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1260         .probe = twl6040_probe,
1261         .remove = twl6040_remove,
1262         .suspend = twl6040_suspend,
1263         .resume = twl6040_resume,
1264         .read = twl6040_read_reg_cache,
1265         .write = twl6040_write,
1266         .set_bias_level = twl6040_set_bias_level,
1267         .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1268         .reg_word_size = sizeof(u8),
1269         .reg_cache_default = twl6040_reg,
1270         .ignore_pmdown_time = true,
1271
1272         .controls = twl6040_snd_controls,
1273         .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1274         .dapm_widgets = twl6040_dapm_widgets,
1275         .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1276         .dapm_routes = intercon,
1277         .num_dapm_routes = ARRAY_SIZE(intercon),
1278 };
1279
1280 static int twl6040_codec_probe(struct platform_device *pdev)
1281 {
1282         return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1283                                       twl6040_dai, ARRAY_SIZE(twl6040_dai));
1284 }
1285
1286 static int twl6040_codec_remove(struct platform_device *pdev)
1287 {
1288         snd_soc_unregister_codec(&pdev->dev);
1289         return 0;
1290 }
1291
1292 static struct platform_driver twl6040_codec_driver = {
1293         .driver = {
1294                 .name = "twl6040-codec",
1295                 .owner = THIS_MODULE,
1296         },
1297         .probe = twl6040_codec_probe,
1298         .remove = twl6040_codec_remove,
1299 };
1300
1301 module_platform_driver(twl6040_codec_driver);
1302
1303 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1304 MODULE_AUTHOR("Misael Lopez Cruz");
1305 MODULE_LICENSE("GPL");