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/i2c/twl.h>
  30 #include <linux/mfd/twl6040.h>
  31
  32 #include <sound/core.h>
  33 #include <sound/pcm.h>
  34 #include <sound/pcm_params.h>
  35 #include <sound/soc.h>
  36 #include <sound/initval.h>
  37 #include <sound/tlv.h>
  38
  39 #include "twl6040.h"
  40
  41 #define TWL6040_RATES           SNDRV_PCM_RATE_8000_96000
  42 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
  43
  44 #define TWL6040_OUTHS_0dB 0x00
  45 #define TWL6040_OUTHS_M30dB 0x0F
  46 #define TWL6040_OUTHF_0dB 0x03
  47 #define TWL6040_OUTHF_M52dB 0x1D
  48
  49 #define TWL6040_RAMP_NONE       0
  50 #define TWL6040_RAMP_UP         1
  51 #define TWL6040_RAMP_DOWN       2
  52
  53 #define TWL6040_HSL_VOL_MASK    0x0F
  54 #define TWL6040_HSL_VOL_SHIFT   0
  55 #define TWL6040_HSR_VOL_MASK    0xF0
  56 #define TWL6040_HSR_VOL_SHIFT   4
  57 #define TWL6040_HF_VOL_MASK     0x1F
  58 #define TWL6040_HF_VOL_SHIFT    0
  59
  60 struct twl6040_output {
  61         u16 active;
  62         u16 left_vol;
  63         u16 right_vol;
  64         u16 left_step;
  65         u16 right_step;
  66         unsigned int step_delay;
  67         u16 ramp;
  68         u16 mute;
  69         struct completion ramp_done;
  70 };
  71
  72 struct twl6040_jack_data {
  73         struct snd_soc_jack *jack;
  74         int report;
  75 };
  76
  77 /* codec private data */
  78 struct twl6040_data {
  79         int plug_irq;
  80         int codec_powered;
  81         int pll;
  82         int non_lp;
  83         int pll_power_mode;
  84         int hs_power_mode;
  85         int hs_power_mode_locked;
  86         unsigned int clk_in;
  87         unsigned int sysclk;
  88         u16 hs_left_step;
  89         u16 hs_right_step;
  90         u16 hf_left_step;
  91         u16 hf_right_step;
  92         struct twl6040_jack_data hs_jack;
  93         struct snd_soc_codec *codec;
  94         struct workqueue_struct *workqueue;
  95         struct delayed_work delayed_work;
  96         struct mutex mutex;
  97         struct twl6040_output headset;
  98         struct twl6040_output handsfree;
  99         struct workqueue_struct *hf_workqueue;
 100         struct workqueue_struct *hs_workqueue;
 101         struct delayed_work hs_delayed_work;
 102         struct delayed_work hf_delayed_work;
 103 };
 104
 105 /*
 106  * twl6040 register cache & default register settings
 107  */
 108 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
 109         0x00, /* not used               0x00    */
 110         0x4B, /* TWL6040_ASICID (ro)    0x01    */
 111         0x00, /* TWL6040_ASICREV (ro)   0x02    */
 112         0x00, /* TWL6040_INTID          0x03    */
 113         0x00, /* TWL6040_INTMR          0x04    */
 114         0x00, /* TWL6040_NCPCTRL        0x05    */
 115         0x00, /* TWL6040_LDOCTL         0x06    */
 116         0x60, /* TWL6040_HPPLLCTL       0x07    */
 117         0x00, /* TWL6040_LPPLLCTL       0x08    */
 118         0x4A, /* TWL6040_LPPLLDIV       0x09    */
 119         0x00, /* TWL6040_AMICBCTL       0x0A    */
 120         0x00, /* TWL6040_DMICBCTL       0x0B    */
 121         0x00, /* TWL6040_MICLCTL        0x0C    */
 122         0x00, /* TWL6040_MICRCTL        0x0D    */
 123         0x00, /* TWL6040_MICGAIN        0x0E    */
 124         0x1B, /* TWL6040_LINEGAIN       0x0F    */
 125         0x00, /* TWL6040_HSLCTL         0x10    */
 126         0x00, /* TWL6040_HSRCTL         0x11    */
 127         0x00, /* TWL6040_HSGAIN         0x12    */
 128         0x00, /* TWL6040_EARCTL         0x13    */
 129         0x00, /* TWL6040_HFLCTL         0x14    */
 130         0x00, /* TWL6040_HFLGAIN        0x15    */
 131         0x00, /* TWL6040_HFRCTL         0x16    */
 132         0x00, /* TWL6040_HFRGAIN        0x17    */
 133         0x00, /* TWL6040_VIBCTLL        0x18    */
 134         0x00, /* TWL6040_VIBDATL        0x19    */
 135         0x00, /* TWL6040_VIBCTLR        0x1A    */
 136         0x00, /* TWL6040_VIBDATR        0x1B    */
 137         0x00, /* TWL6040_HKCTL1         0x1C    */
 138         0x00, /* TWL6040_HKCTL2         0x1D    */
 139         0x00, /* TWL6040_GPOCTL         0x1E    */
 140         0x00, /* TWL6040_ALB            0x1F    */
 141         0x00, /* TWL6040_DLB            0x20    */
 142         0x00, /* not used               0x21    */
 143         0x00, /* not used               0x22    */
 144         0x00, /* not used               0x23    */
 145         0x00, /* not used               0x24    */
 146         0x00, /* not used               0x25    */
 147         0x00, /* not used               0x26    */
 148         0x00, /* not used               0x27    */
 149         0x00, /* TWL6040_TRIM1          0x28    */
 150         0x00, /* TWL6040_TRIM2          0x29    */
 151         0x00, /* TWL6040_TRIM3          0x2A    */
 152         0x00, /* TWL6040_HSOTRIM        0x2B    */
 153         0x00, /* TWL6040_HFOTRIM        0x2C    */
 154         0x09, /* TWL6040_ACCCTL         0x2D    */
 155         0x00, /* TWL6040_STATUS (ro)    0x2E    */
 156 };
 157
 158 /* List of registers to be restored after power up */
 159 static const int twl6040_restore_list[] = {
 160         TWL6040_REG_MICLCTL,
 161         TWL6040_REG_MICRCTL,
 162         TWL6040_REG_MICGAIN,
 163         TWL6040_REG_LINEGAIN,
 164         TWL6040_REG_HSLCTL,
 165         TWL6040_REG_HSRCTL,
 166         TWL6040_REG_HSGAIN,
 167         TWL6040_REG_EARCTL,
 168         TWL6040_REG_HFLCTL,
 169         TWL6040_REG_HFLGAIN,
 170         TWL6040_REG_HFRCTL,
 171         TWL6040_REG_HFRGAIN,
 172 };
 173
 174 /* set of rates for each pll: low-power and high-performance */
 175 static unsigned int lp_rates[] = {
 176         8000,
 177         11250,
 178         16000,
 179         22500,
 180         32000,
 181         44100,
 182         48000,
 183         88200,
 184         96000,
 185 };
 186
 187 static unsigned int hp_rates[] = {
 188         8000,
 189         16000,
 190         32000,
 191         48000,
 192         96000,
 193 };
 194
 195 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
 196         { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
 197         { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
 198 };
 199
 200 /*
 201  * read twl6040 register cache
 202  */
 203 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
 204                                                 unsigned int reg)
 205 {
 206         u8 *cache = codec->reg_cache;
 207
 208         if (reg >= TWL6040_CACHEREGNUM)
 209                 return -EIO;
 210
 211         return cache[reg];
 212 }
 213
 214 /*
 215  * write twl6040 register cache
 216  */
 217 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
 218                                                 u8 reg, u8 value)
 219 {
 220         u8 *cache = codec->reg_cache;
 221
 222         if (reg >= TWL6040_CACHEREGNUM)
 223                 return;
 224         cache[reg] = value;
 225 }
 226
 227 /*
 228  * read from twl6040 hardware register
 229  */
 230 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
 231                         unsigned int reg)
 232 {
 233         struct twl6040 *twl6040 = codec->control_data;
 234         u8 value;
 235
 236         if (reg >= TWL6040_CACHEREGNUM)
 237                 return -EIO;
 238
 239         value = twl6040_reg_read(twl6040, reg);
 240         twl6040_write_reg_cache(codec, reg, value);
 241
 242         return value;
 243 }
 244
 245 /*
 246  * write to the twl6040 register space
 247  */
 248 static int twl6040_write(struct snd_soc_codec *codec,
 249                         unsigned int reg, unsigned int value)
 250 {
 251         struct twl6040 *twl6040 = codec->control_data;
 252
 253         if (reg >= TWL6040_CACHEREGNUM)
 254                 return -EIO;
 255
 256         twl6040_write_reg_cache(codec, reg, value);
 257         return twl6040_reg_write(twl6040, reg, value);
 258 }
 259
 260 static void twl6040_init_chip(struct snd_soc_codec *codec)
 261 {
 262         struct twl6040 *twl6040 = codec->control_data;
 263         u8 val;
 264
 265         val = twl6040_get_revid(twl6040);
 266         twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
 267
 268         /* Change chip defaults */
 269         /* No imput selected for microphone amplifiers */
 270         twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
 271         twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
 272 }
 273
 274 static void twl6040_restore_regs(struct snd_soc_codec *codec)
 275 {
 276         u8 *cache = codec->reg_cache;
 277         int reg, i;
 278
 279         for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) {
 280                 reg = twl6040_restore_list[i];
 281                 twl6040_write(codec, reg, cache[reg]);
 282         }
 283 }
 284
 285 /*
 286  * Ramp HS PGA volume to minimise pops at stream startup and shutdown.
 287  */
 288 static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
 289                         unsigned int left_step, unsigned int right_step)
 290 {
 291
 292         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 293         struct twl6040_output *headset = &priv->headset;
 294         int left_complete = 0, right_complete = 0;
 295         u8 reg, val;
 296
 297         /* left channel */
 298         left_step = (left_step > 0xF) ? 0xF : left_step;
 299         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
 300         val = (~reg & TWL6040_HSL_VOL_MASK);
 301
 302         if (headset->ramp == TWL6040_RAMP_UP) {
 303                 /* ramp step up */
 304                 if (val < headset->left_vol) {
 305                         if (val + left_step > headset->left_vol)
 306                                 val = headset->left_vol;
 307                         else
 308                                 val += left_step;
 309
 310                         reg &= ~TWL6040_HSL_VOL_MASK;
 311                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 312                                         (reg | (~val & TWL6040_HSL_VOL_MASK)));
 313                 } else {
 314                         left_complete = 1;
 315                 }
 316         } else if (headset->ramp == TWL6040_RAMP_DOWN) {
 317                 /* ramp step down */
 318                 if (val > 0x0) {
 319                         if ((int)val - (int)left_step < 0)
 320                                 val = 0;
 321                         else
 322                                 val -= left_step;
 323
 324                         reg &= ~TWL6040_HSL_VOL_MASK;
 325                         twl6040_write(codec, TWL6040_REG_HSGAIN, reg |
 326                                                 (~val & TWL6040_HSL_VOL_MASK));
 327                 } else {
 328                         left_complete = 1;
 329                 }
 330         }
 331
 332         /* right channel */
 333         right_step = (right_step > 0xF) ? 0xF : right_step;
 334         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
 335         val = (~reg & TWL6040_HSR_VOL_MASK) >> TWL6040_HSR_VOL_SHIFT;
 336
 337         if (headset->ramp == TWL6040_RAMP_UP) {
 338                 /* ramp step up */
 339                 if (val < headset->right_vol) {
 340                         if (val + right_step > headset->right_vol)
 341                                 val = headset->right_vol;
 342                         else
 343                                 val += right_step;
 344
 345                         reg &= ~TWL6040_HSR_VOL_MASK;
 346                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 347                                 (reg | (~val << TWL6040_HSR_VOL_SHIFT)));
 348                 } else {
 349                         right_complete = 1;
 350                 }
 351         } else if (headset->ramp == TWL6040_RAMP_DOWN) {
 352                 /* ramp step down */
 353                 if (val > 0x0) {
 354                         if ((int)val - (int)right_step < 0)
 355                                 val = 0;
 356                         else
 357                                 val -= right_step;
 358
 359                         reg &= ~TWL6040_HSR_VOL_MASK;
 360                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 361                                          reg | (~val << TWL6040_HSR_VOL_SHIFT));
 362                 } else {
 363                         right_complete = 1;
 364                 }
 365         }
 366
 367         return left_complete & right_complete;
 368 }
 369
 370 /*
 371  * Ramp HF PGA volume to minimise pops at stream startup and shutdown.
 372  */
 373 static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
 374                         unsigned int left_step, unsigned int right_step)
 375 {
 376         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 377         struct twl6040_output *handsfree = &priv->handsfree;
 378         int left_complete = 0, right_complete = 0;
 379         u16 reg, val;
 380
 381         /* left channel */
 382         left_step = (left_step > 0x1D) ? 0x1D : left_step;
 383         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFLGAIN);
 384         reg = 0x1D - reg;
 385         val = (reg & TWL6040_HF_VOL_MASK);
 386         if (handsfree->ramp == TWL6040_RAMP_UP) {
 387                 /* ramp step up */
 388                 if (val < handsfree->left_vol) {
 389                         if (val + left_step > handsfree->left_vol)
 390                                 val = handsfree->left_vol;
 391                         else
 392                                 val += left_step;
 393
 394                         reg &= ~TWL6040_HF_VOL_MASK;
 395                         twl6040_write(codec, TWL6040_REG_HFLGAIN,
 396                                                 reg | (0x1D - val));
 397                 } else {
 398                         left_complete = 1;
 399                 }
 400         } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 401                 /* ramp step down */
 402                 if (val > 0) {
 403                         if ((int)val - (int)left_step < 0)
 404                                 val = 0;
 405                         else
 406                                 val -= left_step;
 407
 408                         reg &= ~TWL6040_HF_VOL_MASK;
 409                         twl6040_write(codec, TWL6040_REG_HFLGAIN,
 410                                                 reg | (0x1D - val));
 411                 } else {
 412                         left_complete = 1;
 413                 }
 414         }
 415
 416         /* right channel */
 417         right_step = (right_step > 0x1D) ? 0x1D : right_step;
 418         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFRGAIN);
 419         reg = 0x1D - reg;
 420         val = (reg & TWL6040_HF_VOL_MASK);
 421         if (handsfree->ramp == TWL6040_RAMP_UP) {
 422                 /* ramp step up */
 423                 if (val < handsfree->right_vol) {
 424                         if (val + right_step > handsfree->right_vol)
 425                                 val = handsfree->right_vol;
 426                         else
 427                                 val += right_step;
 428
 429                         reg &= ~TWL6040_HF_VOL_MASK;
 430                         twl6040_write(codec, TWL6040_REG_HFRGAIN,
 431                                                 reg | (0x1D - val));
 432                 } else {
 433                         right_complete = 1;
 434                 }
 435         } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 436                 /* ramp step down */
 437                 if (val > 0) {
 438                         if ((int)val - (int)right_step < 0)
 439                                 val = 0;
 440                         else
 441                                 val -= right_step;
 442
 443                         reg &= ~TWL6040_HF_VOL_MASK;
 444                         twl6040_write(codec, TWL6040_REG_HFRGAIN,
 445                                                 reg | (0x1D - val));
 446                 }
 447         }
 448
 449         return left_complete & right_complete;
 450 }
 451
 452 /*
 453  * This work ramps both output PGAs at stream start/stop time to
 454  * minimise pop associated with DAPM power switching.
 455  */
 456 static void twl6040_pga_hs_work(struct work_struct *work)
 457 {
 458         struct twl6040_data *priv =
 459                 container_of(work, struct twl6040_data, hs_delayed_work.work);
 460         struct snd_soc_codec *codec = priv->codec;
 461         struct twl6040_output *headset = &priv->headset;
 462         unsigned int delay = headset->step_delay;
 463         int i, headset_complete;
 464
 465         /* do we need to ramp at all ? */
 466         if (headset->ramp == TWL6040_RAMP_NONE)
 467                 return;
 468
 469         /* HS PGA volumes have 4 bits of resolution to ramp */
 470         for (i = 0; i <= 16; i++) {
 471                 headset_complete = twl6040_hs_ramp_step(codec,
 472                                                 headset->left_step,
 473                                                 headset->right_step);
 474
 475                 /* ramp finished ? */
 476                 if (headset_complete)
 477                         break;
 478
 479                 /*
 480                  * TODO: tune: delay is longer over 0dB
 481                  * as increases are larger.
 482                  */
 483                 if (i >= 8)
 484                         schedule_timeout_interruptible(msecs_to_jiffies(delay +
 485                                                         (delay >> 1)));
 486                 else
 487                         schedule_timeout_interruptible(msecs_to_jiffies(delay));
 488         }
 489
 490         if (headset->ramp == TWL6040_RAMP_DOWN) {
 491                 headset->active = 0;
 492                 complete(&headset->ramp_done);
 493         } else {
 494                 headset->active = 1;
 495         }
 496         headset->ramp = TWL6040_RAMP_NONE;
 497 }
 498
 499 static void twl6040_pga_hf_work(struct work_struct *work)
 500 {
 501         struct twl6040_data *priv =
 502                 container_of(work, struct twl6040_data, hf_delayed_work.work);
 503         struct snd_soc_codec *codec = priv->codec;
 504         struct twl6040_output *handsfree = &priv->handsfree;
 505         unsigned int delay = handsfree->step_delay;
 506         int i, handsfree_complete;
 507
 508         /* do we need to ramp at all ? */
 509         if (handsfree->ramp == TWL6040_RAMP_NONE)
 510                 return;
 511
 512         /* HF PGA volumes have 5 bits of resolution to ramp */
 513         for (i = 0; i <= 32; i++) {
 514                 handsfree_complete = twl6040_hf_ramp_step(codec,
 515                                                 handsfree->left_step,
 516                                                 handsfree->right_step);
 517
 518                 /* ramp finished ? */
 519                 if (handsfree_complete)
 520                         break;
 521
 522                 /*
 523                  * TODO: tune: delay is longer over 0dB
 524                  * as increases are larger.
 525                  */
 526                 if (i >= 16)
 527                         schedule_timeout_interruptible(msecs_to_jiffies(delay +
 528                                                        (delay >> 1)));
 529                 else
 530                         schedule_timeout_interruptible(msecs_to_jiffies(delay));
 531         }
 532
 533
 534         if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 535                 handsfree->active = 0;
 536                 complete(&handsfree->ramp_done);
 537         } else
 538                 handsfree->active = 1;
 539         handsfree->ramp = TWL6040_RAMP_NONE;
 540 }
 541
 542 static int pga_event(struct snd_soc_dapm_widget *w,
 543                         struct snd_kcontrol *kcontrol, int event)
 544 {
 545         struct snd_soc_codec *codec = w->codec;
 546         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 547         struct twl6040_output *out;
 548         struct delayed_work *work;
 549         struct workqueue_struct *queue;
 550
 551         switch (w->shift) {
 552         case 2:
 553         case 3:
 554                 out = &priv->headset;
 555                 work = &priv->hs_delayed_work;
 556                 queue = priv->hs_workqueue;
 557                 out->left_step = priv->hs_left_step;
 558                 out->right_step = priv->hs_right_step;
 559                 out->step_delay = 5;    /* 5 ms between volume ramp steps */
 560                 break;
 561         case 4:
 562                 out = &priv->handsfree;
 563                 work = &priv->hf_delayed_work;
 564                 queue = priv->hf_workqueue;
 565                 out->left_step = priv->hf_left_step;
 566                 out->right_step = priv->hf_right_step;
 567                 out->step_delay = 5;    /* 5 ms between volume ramp steps */
 568                 if (SND_SOC_DAPM_EVENT_ON(event))
 569                         priv->non_lp++;
 570                 else
 571                         priv->non_lp--;
 572                 break;
 573         default:
 574                 return -1;
 575         }
 576
 577         switch (event) {
 578         case SND_SOC_DAPM_POST_PMU:
 579                 if (out->active)
 580                         break;
 581
 582                 /* don't use volume ramp for power-up */
 583                 out->left_step = out->left_vol;
 584                 out->right_step = out->right_vol;
 585
 586                 if (!delayed_work_pending(work)) {
 587                         out->ramp = TWL6040_RAMP_UP;
 588                         queue_delayed_work(queue, work,
 589                                         msecs_to_jiffies(1));
 590                 }
 591                 break;
 592
 593         case SND_SOC_DAPM_PRE_PMD:
 594                 if (!out->active)
 595                         break;
 596
 597                 if (!delayed_work_pending(work)) {
 598                         /* use volume ramp for power-down */
 599                         out->ramp = TWL6040_RAMP_DOWN;
 600                         INIT_COMPLETION(out->ramp_done);
 601
 602                         queue_delayed_work(queue, work,
 603                                         msecs_to_jiffies(1));
 604
 605                         wait_for_completion_timeout(&out->ramp_done,
 606                                         msecs_to_jiffies(2000));
 607                 }
 608                 break;
 609         }
 610
 611         return 0;
 612 }
 613
 614 /* set headset dac and driver power mode */
 615 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
 616 {
 617         int hslctl, hsrctl;
 618         int mask = TWL6040_HSDRVMODEL | TWL6040_HSDACMODEL;
 619
 620         hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
 621         hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
 622
 623         if (high_perf) {
 624                 hslctl &= ~mask;
 625                 hsrctl &= ~mask;
 626         } else {
 627                 hslctl |= mask;
 628                 hsrctl |= mask;
 629         }
 630
 631         twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
 632         twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
 633
 634         return 0;
 635 }
 636
 637 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
 638                         struct snd_kcontrol *kcontrol, int event)
 639 {
 640         msleep(1);
 641         return 0;
 642 }
 643
 644 static int twl6040_power_mode_event(struct snd_soc_dapm_widget *w,
 645                         struct snd_kcontrol *kcontrol, int event)
 646 {
 647         struct snd_soc_codec *codec = w->codec;
 648         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 649         int ret = 0;
 650
 651         if (SND_SOC_DAPM_EVENT_ON(event)) {
 652                 priv->non_lp++;
 653                 if (!strcmp(w->name, "Earphone Driver")) {
 654                         /* Earphone doesn't support low power mode */
 655                         priv->hs_power_mode_locked = 1;
 656                         ret = headset_power_mode(codec, 1);
 657                 }
 658         } else {
 659                 priv->non_lp--;
 660                 if (!strcmp(w->name, "Earphone Driver")) {
 661                         priv->hs_power_mode_locked = 0;
 662                         ret = headset_power_mode(codec, priv->hs_power_mode);
 663                 }
 664         }
 665
 666         msleep(1);
 667
 668         return ret;
 669 }
 670
 671 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
 672                                    struct snd_soc_jack *jack, int report)
 673 {
 674         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 675         int status;
 676
 677         mutex_lock(&priv->mutex);
 678
 679         /* Sync status */
 680         status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
 681         if (status & TWL6040_PLUGCOMP)
 682                 snd_soc_jack_report(jack, report, report);
 683         else
 684                 snd_soc_jack_report(jack, 0, report);
 685
 686         mutex_unlock(&priv->mutex);
 687 }
 688
 689 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
 690                                 struct snd_soc_jack *jack, int report)
 691 {
 692         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 693         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 694
 695         hs_jack->jack = jack;
 696         hs_jack->report = report;
 697
 698         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 699 }
 700 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
 701
 702 static void twl6040_accessory_work(struct work_struct *work)
 703 {
 704         struct twl6040_data *priv = container_of(work,
 705                                         struct twl6040_data, delayed_work.work);
 706         struct snd_soc_codec *codec = priv->codec;
 707         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 708
 709         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 710 }
 711
 712 /* audio interrupt handler */
 713 static irqreturn_t twl6040_audio_handler(int irq, void *data)
 714 {
 715         struct snd_soc_codec *codec = data;
 716         struct twl6040 *twl6040 = codec->control_data;
 717         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 718         u8 intid;
 719
 720         intid = twl6040_reg_read(twl6040, TWL6040_REG_INTID);
 721
 722         if ((intid & TWL6040_PLUGINT) || (intid & TWL6040_UNPLUGINT))
 723                 queue_delayed_work(priv->workqueue, &priv->delayed_work,
 724                                                         msecs_to_jiffies(200));
 725
 726         return IRQ_HANDLED;
 727 }
 728
 729 static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
 730                                   struct snd_ctl_elem_value *ucontrol)
 731 {
 732         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 733         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 734         struct twl6040_output *out = NULL;
 735         struct soc_mixer_control *mc =
 736                 (struct soc_mixer_control *)kcontrol->private_value;
 737         int ret;
 738         unsigned int reg = mc->reg;
 739
 740         /* For HS and HF we shadow the values and only actually write
 741          * them out when active in order to ensure the amplifier comes on
 742          * as quietly as possible. */
 743         switch (reg) {
 744         case TWL6040_REG_HSGAIN:
 745                 out = &twl6040_priv->headset;
 746                 break;
 747         default:
 748                 break;
 749         }
 750
 751         if (out) {
 752                 out->left_vol = ucontrol->value.integer.value[0];
 753                 out->right_vol = ucontrol->value.integer.value[1];
 754                 if (!out->active)
 755                         return 1;
 756         }
 757
 758         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 759         if (ret < 0)
 760                 return ret;
 761
 762         return 1;
 763 }
 764
 765 static int twl6040_get_volsw(struct snd_kcontrol *kcontrol,
 766                                 struct snd_ctl_elem_value *ucontrol)
 767 {
 768         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 769         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 770         struct twl6040_output *out = &twl6040_priv->headset;
 771         struct soc_mixer_control *mc =
 772                 (struct soc_mixer_control *)kcontrol->private_value;
 773         unsigned int reg = mc->reg;
 774
 775         switch (reg) {
 776         case TWL6040_REG_HSGAIN:
 777                 out = &twl6040_priv->headset;
 778                 ucontrol->value.integer.value[0] = out->left_vol;
 779                 ucontrol->value.integer.value[1] = out->right_vol;
 780                 return 0;
 781
 782         default:
 783                 break;
 784         }
 785
 786         return snd_soc_get_volsw(kcontrol, ucontrol);
 787 }
 788
 789 static int twl6040_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
 790                                   struct snd_ctl_elem_value *ucontrol)
 791 {
 792         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 793         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 794         struct twl6040_output *out = NULL;
 795         struct soc_mixer_control *mc =
 796                 (struct soc_mixer_control *)kcontrol->private_value;
 797         int ret;
 798         unsigned int reg = mc->reg;
 799
 800         /* For HS and HF we shadow the values and only actually write
 801          * them out when active in order to ensure the amplifier comes on
 802          * as quietly as possible. */
 803         switch (reg) {
 804         case TWL6040_REG_HFLGAIN:
 805         case TWL6040_REG_HFRGAIN:
 806                 out = &twl6040_priv->handsfree;
 807                 break;
 808         default:
 809                 break;
 810         }
 811
 812         if (out) {
 813                 out->left_vol = ucontrol->value.integer.value[0];
 814                 out->right_vol = ucontrol->value.integer.value[1];
 815                 if (!out->active)
 816                         return 1;
 817         }
 818
 819         ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
 820         if (ret < 0)
 821                 return ret;
 822
 823         return 1;
 824 }
 825
 826 static int twl6040_get_volsw_2r(struct snd_kcontrol *kcontrol,
 827                                 struct snd_ctl_elem_value *ucontrol)
 828 {
 829         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 830         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 831         struct twl6040_output *out = &twl6040_priv->handsfree;
 832         struct soc_mixer_control *mc =
 833                 (struct soc_mixer_control *)kcontrol->private_value;
 834         unsigned int reg = mc->reg;
 835
 836         /* If these are cached registers use the cache */
 837         switch (reg) {
 838         case TWL6040_REG_HFLGAIN:
 839         case TWL6040_REG_HFRGAIN:
 840                 out = &twl6040_priv->handsfree;
 841                 ucontrol->value.integer.value[0] = out->left_vol;
 842                 ucontrol->value.integer.value[1] = out->right_vol;
 843                 return 0;
 844
 845         default:
 846                 break;
 847         }
 848
 849         return snd_soc_get_volsw_2r(kcontrol, ucontrol);
 850 }
 851
 852 /* double control with volume update */
 853 #define SOC_TWL6040_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax,\
 854                                                         xinvert, tlv_array)\
 855 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 856         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 857                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 858         .tlv.p = (tlv_array), \
 859         .info = snd_soc_info_volsw, .get = twl6040_get_volsw, \
 860         .put = twl6040_put_volsw, \
 861         .private_value = (unsigned long)&(struct soc_mixer_control) \
 862                 {.reg = xreg, .shift = shift_left, .rshift = shift_right,\
 863                  .max = xmax, .platform_max = xmax, .invert = xinvert} }
 864
 865 /* double control with volume update */
 866 #define SOC_TWL6040_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax,\
 867                                 xinvert, tlv_array)\
 868 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 869         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 870                 SNDRV_CTL_ELEM_ACCESS_READWRITE | \
 871                 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
 872         .tlv.p = (tlv_array), \
 873         .info = snd_soc_info_volsw_2r, \
 874         .get = twl6040_get_volsw_2r, .put = twl6040_put_volsw_2r_vu, \
 875         .private_value = (unsigned long)&(struct soc_mixer_control) \
 876                 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
 877                  .rshift = xshift, .max = xmax, .invert = xinvert}, }
 878
 879 /*
 880  * MICATT volume control:
 881  * from -6 to 0 dB in 6 dB steps
 882  */
 883 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
 884
 885 /*
 886  * MICGAIN volume control:
 887  * from 6 to 30 dB in 6 dB steps
 888  */
 889 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
 890
 891 /*
 892  * AFMGAIN volume control:
 893  * from -18 to 24 dB in 6 dB steps
 894  */
 895 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
 896
 897 /*
 898  * HSGAIN volume control:
 899  * from -30 to 0 dB in 2 dB steps
 900  */
 901 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
 902
 903 /*
 904  * HFGAIN volume control:
 905  * from -52 to 6 dB in 2 dB steps
 906  */
 907 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
 908
 909 /*
 910  * EPGAIN volume control:
 911  * from -24 to 6 dB in 2 dB steps
 912  */
 913 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
 914
 915 /* Left analog microphone selection */
 916 static const char *twl6040_amicl_texts[] =
 917         {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
 918
 919 /* Right analog microphone selection */
 920 static const char *twl6040_amicr_texts[] =
 921         {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
 922
 923 static const struct soc_enum twl6040_enum[] = {
 924         SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
 925         SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
 926 };
 927
 928 static const char *twl6040_hs_texts[] = {
 929         "Off", "HS DAC", "Line-In amp"
 930 };
 931
 932 static const struct soc_enum twl6040_hs_enum[] = {
 933         SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 934                         twl6040_hs_texts),
 935         SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 936                         twl6040_hs_texts),
 937 };
 938
 939 static const char *twl6040_hf_texts[] = {
 940         "Off", "HF DAC", "Line-In amp"
 941 };
 942
 943 static const struct soc_enum twl6040_hf_enum[] = {
 944         SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 945                         twl6040_hf_texts),
 946         SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 947                         twl6040_hf_texts),
 948 };
 949
 950 static const struct snd_kcontrol_new amicl_control =
 951         SOC_DAPM_ENUM("Route", twl6040_enum[0]);
 952
 953 static const struct snd_kcontrol_new amicr_control =
 954         SOC_DAPM_ENUM("Route", twl6040_enum[1]);
 955
 956 /* Headset DAC playback switches */
 957 static const struct snd_kcontrol_new hsl_mux_controls =
 958         SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
 959
 960 static const struct snd_kcontrol_new hsr_mux_controls =
 961         SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
 962
 963 /* Handsfree DAC playback switches */
 964 static const struct snd_kcontrol_new hfl_mux_controls =
 965         SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
 966
 967 static const struct snd_kcontrol_new hfr_mux_controls =
 968         SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
 969
 970 static const struct snd_kcontrol_new ep_driver_switch_controls =
 971         SOC_DAPM_SINGLE("Switch", TWL6040_REG_EARCTL, 0, 1, 0);
 972
 973 /* Headset power mode */
 974 static const char *twl6040_power_mode_texts[] = {
 975         "Low-Power", "High-Perfomance",
 976 };
 977
 978 static const struct soc_enum twl6040_power_mode_enum =
 979         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
 980                         twl6040_power_mode_texts);
 981
 982 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
 983         struct snd_ctl_elem_value *ucontrol)
 984 {
 985         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 986         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 987
 988         ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
 989
 990         return 0;
 991 }
 992
 993 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
 994         struct snd_ctl_elem_value *ucontrol)
 995 {
 996         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 997         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 998         int high_perf = ucontrol->value.enumerated.item[0];
 999         int ret = 0;
1000
1001         if (!priv->hs_power_mode_locked)
1002                 ret = headset_power_mode(codec, high_perf);
1003
1004         if (!ret)
1005                 priv->hs_power_mode = high_perf;
1006
1007         return ret;
1008 }
1009
1010 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
1011         struct snd_ctl_elem_value *ucontrol)
1012 {
1013         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1014         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1015
1016         ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
1017
1018         return 0;
1019 }
1020
1021 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
1022         struct snd_ctl_elem_value *ucontrol)
1023 {
1024         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1025         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1026
1027         priv->pll_power_mode = ucontrol->value.enumerated.item[0];
1028
1029         return 0;
1030 }
1031
1032 int twl6040_get_clk_id(struct snd_soc_codec *codec)
1033 {
1034         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1035
1036         return priv->pll_power_mode;
1037 }
1038 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
1039
1040 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
1041         /* Capture gains */
1042         SOC_DOUBLE_TLV("Capture Preamplifier Volume",
1043                 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
1044         SOC_DOUBLE_TLV("Capture Volume",
1045                 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
1046
1047         /* AFM gains */
1048         SOC_DOUBLE_TLV("Aux FM Volume",
1049                 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
1050
1051         /* Playback gains */
1052         SOC_TWL6040_DOUBLE_TLV("Headset Playback Volume",
1053                 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
1054         SOC_TWL6040_DOUBLE_R_TLV("Handsfree Playback Volume",
1055                 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
1056         SOC_SINGLE_TLV("Earphone Playback Volume",
1057                 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
1058
1059         SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
1060                 twl6040_headset_power_get_enum,
1061                 twl6040_headset_power_put_enum),
1062
1063         SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
1064                 twl6040_pll_get_enum, twl6040_pll_put_enum),
1065 };
1066
1067 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
1068         /* Inputs */
1069         SND_SOC_DAPM_INPUT("MAINMIC"),
1070         SND_SOC_DAPM_INPUT("HSMIC"),
1071         SND_SOC_DAPM_INPUT("SUBMIC"),
1072         SND_SOC_DAPM_INPUT("AFML"),
1073         SND_SOC_DAPM_INPUT("AFMR"),
1074
1075         /* Outputs */
1076         SND_SOC_DAPM_OUTPUT("HSOL"),
1077         SND_SOC_DAPM_OUTPUT("HSOR"),
1078         SND_SOC_DAPM_OUTPUT("HFL"),
1079         SND_SOC_DAPM_OUTPUT("HFR"),
1080         SND_SOC_DAPM_OUTPUT("EP"),
1081
1082         /* Analog input muxes for the capture amplifiers */
1083         SND_SOC_DAPM_MUX("Analog Left Capture Route",
1084                         SND_SOC_NOPM, 0, 0, &amicl_control),
1085         SND_SOC_DAPM_MUX("Analog Right Capture Route",
1086                         SND_SOC_NOPM, 0, 0, &amicr_control),
1087
1088         /* Analog capture PGAs */
1089         SND_SOC_DAPM_PGA("MicAmpL",
1090                         TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
1091         SND_SOC_DAPM_PGA("MicAmpR",
1092                         TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
1093
1094         /* Auxiliary FM PGAs */
1095         SND_SOC_DAPM_PGA("AFMAmpL",
1096                         TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
1097         SND_SOC_DAPM_PGA("AFMAmpR",
1098                         TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
1099
1100         /* ADCs */
1101         SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
1102                         TWL6040_REG_MICLCTL, 2, 0),
1103         SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
1104                         TWL6040_REG_MICRCTL, 2, 0),
1105
1106         /* Microphone bias */
1107         SND_SOC_DAPM_MICBIAS("Headset Mic Bias",
1108                         TWL6040_REG_AMICBCTL, 0, 0),
1109         SND_SOC_DAPM_MICBIAS("Main Mic Bias",
1110                         TWL6040_REG_AMICBCTL, 4, 0),
1111         SND_SOC_DAPM_MICBIAS("Digital Mic1 Bias",
1112                         TWL6040_REG_DMICBCTL, 0, 0),
1113         SND_SOC_DAPM_MICBIAS("Digital Mic2 Bias",
1114                         TWL6040_REG_DMICBCTL, 4, 0),
1115
1116         /* DACs */
1117         SND_SOC_DAPM_DAC_E("HSDAC Left", "Headset Playback",
1118                         TWL6040_REG_HSLCTL, 0, 0,
1119                         twl6040_hs_dac_event,
1120                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1121         SND_SOC_DAPM_DAC_E("HSDAC Right", "Headset Playback",
1122                         TWL6040_REG_HSRCTL, 0, 0,
1123                         twl6040_hs_dac_event,
1124                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1125         SND_SOC_DAPM_DAC_E("HFDAC Left", "Handsfree Playback",
1126                         TWL6040_REG_HFLCTL, 0, 0,
1127                         twl6040_power_mode_event,
1128                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1129         SND_SOC_DAPM_DAC_E("HFDAC Right", "Handsfree Playback",
1130                         TWL6040_REG_HFRCTL, 0, 0,
1131                         twl6040_power_mode_event,
1132                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1133
1134         SND_SOC_DAPM_MUX("HF Left Playback",
1135                         SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
1136         SND_SOC_DAPM_MUX("HF Right Playback",
1137                         SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
1138         /* Analog playback Muxes */
1139         SND_SOC_DAPM_MUX("HS Left Playback",
1140                         SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
1141         SND_SOC_DAPM_MUX("HS Right Playback",
1142                         SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
1143
1144         /* Analog playback drivers */
1145         SND_SOC_DAPM_OUT_DRV_E("Handsfree Left Driver",
1146                         TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
1147                         pga_event,
1148                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1149         SND_SOC_DAPM_OUT_DRV_E("Handsfree Right Driver",
1150                         TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
1151                         pga_event,
1152                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1153         SND_SOC_DAPM_OUT_DRV_E("Headset Left Driver",
1154                         TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
1155                         pga_event,
1156                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1157         SND_SOC_DAPM_OUT_DRV_E("Headset Right Driver",
1158                         TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
1159                         pga_event,
1160                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1161         SND_SOC_DAPM_SWITCH_E("Earphone Driver",
1162                         SND_SOC_NOPM, 0, 0, &ep_driver_switch_controls,
1163                         twl6040_power_mode_event,
1164                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1165
1166         /* Analog playback PGAs */
1167         SND_SOC_DAPM_PGA("HFDAC Left PGA",
1168                         TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
1169         SND_SOC_DAPM_PGA("HFDAC Right PGA",
1170                         TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
1171
1172 };
1173
1174 static const struct snd_soc_dapm_route intercon[] = {
1175         /* Capture path */
1176         {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
1177         {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
1178         {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
1179
1180         {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
1181         {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
1182         {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
1183
1184         {"MicAmpL", NULL, "Analog Left Capture Route"},
1185         {"MicAmpR", NULL, "Analog Right Capture Route"},
1186
1187         {"ADC Left", NULL, "MicAmpL"},
1188         {"ADC Right", NULL, "MicAmpR"},
1189
1190         /* AFM path */
1191         {"AFMAmpL", "NULL", "AFML"},
1192         {"AFMAmpR", "NULL", "AFMR"},
1193
1194         {"HS Left Playback", "HS DAC", "HSDAC Left"},
1195         {"HS Left Playback", "Line-In amp", "AFMAmpL"},
1196
1197         {"HS Right Playback", "HS DAC", "HSDAC Right"},
1198         {"HS Right Playback", "Line-In amp", "AFMAmpR"},
1199
1200         {"Headset Left Driver", "NULL", "HS Left Playback"},
1201         {"Headset Right Driver", "NULL", "HS Right Playback"},
1202
1203         {"HSOL", NULL, "Headset Left Driver"},
1204         {"HSOR", NULL, "Headset Right Driver"},
1205
1206         /* Earphone playback path */
1207         {"Earphone Driver", "Switch", "HSDAC Left"},
1208         {"EP", NULL, "Earphone Driver"},
1209
1210         {"HF Left Playback", "HF DAC", "HFDAC Left"},
1211         {"HF Left Playback", "Line-In amp", "AFMAmpL"},
1212
1213         {"HF Right Playback", "HF DAC", "HFDAC Right"},
1214         {"HF Right Playback", "Line-In amp", "AFMAmpR"},
1215
1216         {"HFDAC Left PGA", NULL, "HF Left Playback"},
1217         {"HFDAC Right PGA", NULL, "HF Right Playback"},
1218
1219         {"Handsfree Left Driver", "Switch", "HFDAC Left PGA"},
1220         {"Handsfree Right Driver", "Switch", "HFDAC Right PGA"},
1221
1222         {"HFL", NULL, "Handsfree Left Driver"},
1223         {"HFR", NULL, "Handsfree Right Driver"},
1224 };
1225
1226 static int twl6040_add_widgets(struct snd_soc_codec *codec)
1227 {
1228         struct snd_soc_dapm_context *dapm = &codec->dapm;
1229
1230         snd_soc_dapm_new_controls(dapm, twl6040_dapm_widgets,
1231                                  ARRAY_SIZE(twl6040_dapm_widgets));
1232         snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
1233         snd_soc_dapm_new_widgets(dapm);
1234
1235         return 0;
1236 }
1237
1238 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
1239                                 enum snd_soc_bias_level level)
1240 {
1241         struct twl6040 *twl6040 = codec->control_data;
1242         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1243         int ret;
1244
1245         switch (level) {
1246         case SND_SOC_BIAS_ON:
1247                 break;
1248         case SND_SOC_BIAS_PREPARE:
1249                 break;
1250         case SND_SOC_BIAS_STANDBY:
1251                 if (priv->codec_powered)
1252                         break;
1253
1254                 ret = twl6040_power(twl6040, 1);
1255                 if (ret)
1256                         return ret;
1257
1258                 priv->codec_powered = 1;
1259
1260                 twl6040_restore_regs(codec);
1261
1262                 /* Set external boost GPO */
1263                 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
1264                 break;
1265         case SND_SOC_BIAS_OFF:
1266                 if (!priv->codec_powered)
1267                         break;
1268
1269                 twl6040_power(twl6040, 0);
1270                 priv->codec_powered = 0;
1271                 break;
1272         }
1273
1274         codec->dapm.bias_level = level;
1275
1276         return 0;
1277 }
1278
1279 static int twl6040_startup(struct snd_pcm_substream *substream,
1280                         struct snd_soc_dai *dai)
1281 {
1282         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1283         struct snd_soc_codec *codec = rtd->codec;
1284         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1285
1286         snd_pcm_hw_constraint_list(substream->runtime, 0,
1287                                 SNDRV_PCM_HW_PARAM_RATE,
1288                                 &sysclk_constraints[priv->pll_power_mode]);
1289
1290         return 0;
1291 }
1292
1293 static int twl6040_hw_params(struct snd_pcm_substream *substream,
1294                         struct snd_pcm_hw_params *params,
1295                         struct snd_soc_dai *dai)
1296 {
1297         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1298         struct snd_soc_codec *codec = rtd->codec;
1299         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1300         int rate;
1301
1302         rate = params_rate(params);
1303         switch (rate) {
1304         case 11250:
1305         case 22500:
1306         case 44100:
1307         case 88200:
1308                 /* These rates are not supported when HPPLL is in use */
1309                 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
1310                         dev_err(codec->dev, "HPPLL does not support rate %d\n",
1311                                 rate);
1312                         return -EINVAL;
1313                 }
1314                 /* Capture is not supported with 17.64MHz sysclk */
1315                 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
1316                         dev_err(codec->dev,
1317                                 "capture mode is not supported at %dHz\n",
1318                                 rate);
1319                         return -EINVAL;
1320                 }
1321                 priv->sysclk = 17640000;
1322                 break;
1323         case 8000:
1324         case 16000:
1325         case 32000:
1326         case 48000:
1327         case 96000:
1328                 priv->sysclk = 19200000;
1329                 break;
1330         default:
1331                 dev_err(codec->dev, "unsupported rate %d\n", rate);
1332                 return -EINVAL;
1333         }
1334
1335         return 0;
1336 }
1337
1338 static int twl6040_prepare(struct snd_pcm_substream *substream,
1339                         struct snd_soc_dai *dai)
1340 {
1341         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1342         struct snd_soc_codec *codec = rtd->codec;
1343         struct twl6040 *twl6040 = codec->control_data;
1344         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1345         int ret;
1346
1347         if (!priv->sysclk) {
1348                 dev_err(codec->dev,
1349                         "no mclk configured, call set_sysclk() on init\n");
1350                 return -EINVAL;
1351         }
1352
1353         if ((priv->sysclk == 17640000) && priv->non_lp) {
1354                         dev_err(codec->dev,
1355                                 "some enabled paths aren't supported at %dHz\n",
1356                                 priv->sysclk);
1357                         return -EPERM;
1358         }
1359
1360         ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1361         if (ret) {
1362                 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1363                 return -EPERM;
1364         }
1365
1366         return 0;
1367 }
1368
1369 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1370                 int clk_id, unsigned int freq, int dir)
1371 {
1372         struct snd_soc_codec *codec = codec_dai->codec;
1373         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1374
1375         switch (clk_id) {
1376         case TWL6040_SYSCLK_SEL_LPPLL:
1377         case TWL6040_SYSCLK_SEL_HPPLL:
1378                 priv->pll = clk_id;
1379                 priv->clk_in = freq;
1380                 break;
1381         default:
1382                 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1383                 return -EINVAL;
1384         }
1385
1386         return 0;
1387 }
1388
1389 static struct snd_soc_dai_ops twl6040_dai_ops = {
1390         .startup        = twl6040_startup,
1391         .hw_params      = twl6040_hw_params,
1392         .prepare        = twl6040_prepare,
1393         .set_sysclk     = twl6040_set_dai_sysclk,
1394 };
1395
1396 static struct snd_soc_dai_driver twl6040_dai[] = {
1397 {
1398         .name = "twl6040-hifi",
1399         .playback = {
1400                 .stream_name = "Playback",
1401                 .channels_min = 1,
1402                 .channels_max = 5,
1403                 .rates = TWL6040_RATES,
1404                 .formats = TWL6040_FORMATS,
1405         },
1406         .capture = {
1407                 .stream_name = "Capture",
1408                 .channels_min = 1,
1409                 .channels_max = 2,
1410                 .rates = TWL6040_RATES,
1411                 .formats = TWL6040_FORMATS,
1412         },
1413         .ops = &twl6040_dai_ops,
1414 },
1415 {
1416         .name = "twl6040-ul",
1417         .capture = {
1418                 .stream_name = "Capture",
1419                 .channels_min = 1,
1420                 .channels_max = 2,
1421                 .rates = TWL6040_RATES,
1422                 .formats = TWL6040_FORMATS,
1423         },
1424         .ops = &twl6040_dai_ops,
1425 },
1426 {
1427         .name = "twl6040-dl1",
1428         .playback = {
1429                 .stream_name = "Headset Playback",
1430                 .channels_min = 1,
1431                 .channels_max = 2,
1432                 .rates = TWL6040_RATES,
1433                 .formats = TWL6040_FORMATS,
1434         },
1435         .ops = &twl6040_dai_ops,
1436 },
1437 {
1438         .name = "twl6040-dl2",
1439         .playback = {
1440                 .stream_name = "Handsfree Playback",
1441                 .channels_min = 1,
1442                 .channels_max = 2,
1443                 .rates = TWL6040_RATES,
1444                 .formats = TWL6040_FORMATS,
1445         },
1446         .ops = &twl6040_dai_ops,
1447 },
1448 {
1449         .name = "twl6040-vib",
1450         .playback = {
1451                 .stream_name = "Vibra Playback",
1452                 .channels_min = 1,
1453                 .channels_max = 1,
1454                 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1455                 .formats = TWL6040_FORMATS,
1456         },
1457         .ops = &twl6040_dai_ops,
1458 },
1459 };
1460
1461 #ifdef CONFIG_PM
1462 static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state)
1463 {
1464         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1465
1466         return 0;
1467 }
1468
1469 static int twl6040_resume(struct snd_soc_codec *codec)
1470 {
1471         twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1472         twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
1473
1474         return 0;
1475 }
1476 #else
1477 #define twl6040_suspend NULL
1478 #define twl6040_resume NULL
1479 #endif
1480
1481 static int twl6040_probe(struct snd_soc_codec *codec)
1482 {
1483         struct twl6040_data *priv;
1484         struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
1485         struct platform_device *pdev = container_of(codec->dev,
1486                                                    struct platform_device, dev);
1487         int ret = 0;
1488
1489         priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
1490         if (priv == NULL)
1491                 return -ENOMEM;
1492         snd_soc_codec_set_drvdata(codec, priv);
1493
1494         priv->codec = codec;
1495         codec->control_data = dev_get_drvdata(codec->dev->parent);
1496
1497         if (pdata && pdata->hs_left_step && pdata->hs_right_step) {
1498                 priv->hs_left_step = pdata->hs_left_step;
1499                 priv->hs_right_step = pdata->hs_right_step;
1500         } else {
1501                 priv->hs_left_step = 1;
1502                 priv->hs_right_step = 1;
1503         }
1504
1505         if (pdata && pdata->hf_left_step && pdata->hf_right_step) {
1506                 priv->hf_left_step = pdata->hf_left_step;
1507                 priv->hf_right_step = pdata->hf_right_step;
1508         } else {
1509                 priv->hf_left_step = 1;
1510                 priv->hf_right_step = 1;
1511         }
1512
1513         priv->plug_irq = platform_get_irq(pdev, 0);
1514         if (priv->plug_irq < 0) {
1515                 dev_err(codec->dev, "invalid irq\n");
1516                 ret = -EINVAL;
1517                 goto work_err;
1518         }
1519
1520         priv->workqueue = create_singlethread_workqueue("twl6040-codec");
1521         if (!priv->workqueue) {
1522                 ret = -ENOMEM;
1523                 goto work_err;
1524         }
1525
1526         INIT_DELAYED_WORK(&priv->delayed_work, twl6040_accessory_work);
1527
1528         mutex_init(&priv->mutex);
1529
1530         init_completion(&priv->headset.ramp_done);
1531         init_completion(&priv->handsfree.ramp_done);
1532
1533         priv->hf_workqueue = create_singlethread_workqueue("twl6040-hf");
1534         if (priv->hf_workqueue == NULL) {
1535                 ret = -ENOMEM;
1536                 goto hfwq_err;
1537         }
1538         priv->hs_workqueue = create_singlethread_workqueue("twl6040-hs");
1539         if (priv->hs_workqueue == NULL) {
1540                 ret = -ENOMEM;
1541                 goto hswq_err;
1542         }
1543
1544         INIT_DELAYED_WORK(&priv->hs_delayed_work, twl6040_pga_hs_work);
1545         INIT_DELAYED_WORK(&priv->hf_delayed_work, twl6040_pga_hf_work);
1546
1547         ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler,
1548                                    0, "twl6040_irq_plug", codec);
1549         if (ret) {
1550                 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1551                 goto plugirq_err;
1552         }
1553
1554         twl6040_init_chip(codec);
1555
1556         /* power on device */
1557         ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1558         if (ret)
1559                 goto bias_err;
1560
1561         snd_soc_add_controls(codec, twl6040_snd_controls,
1562                                 ARRAY_SIZE(twl6040_snd_controls));
1563         twl6040_add_widgets(codec);
1564
1565         return 0;
1566
1567 bias_err:
1568         free_irq(priv->plug_irq, codec);
1569 plugirq_err:
1570         destroy_workqueue(priv->hs_workqueue);
1571 hswq_err:
1572         destroy_workqueue(priv->hf_workqueue);
1573 hfwq_err:
1574         destroy_workqueue(priv->workqueue);
1575 work_err:
1576         kfree(priv);
1577         return ret;
1578 }
1579
1580 static int twl6040_remove(struct snd_soc_codec *codec)
1581 {
1582         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1583
1584         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1585         free_irq(priv->plug_irq, codec);
1586         destroy_workqueue(priv->workqueue);
1587         destroy_workqueue(priv->hf_workqueue);
1588         destroy_workqueue(priv->hs_workqueue);
1589         kfree(priv);
1590
1591         return 0;
1592 }
1593
1594 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1595         .probe = twl6040_probe,
1596         .remove = twl6040_remove,
1597         .suspend = twl6040_suspend,
1598         .resume = twl6040_resume,
1599         .read = twl6040_read_reg_cache,
1600         .write = twl6040_write,
1601         .set_bias_level = twl6040_set_bias_level,
1602         .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1603         .reg_word_size = sizeof(u8),
1604         .reg_cache_default = twl6040_reg,
1605 };
1606
1607 static int __devinit twl6040_codec_probe(struct platform_device *pdev)
1608 {
1609         return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1610                                       twl6040_dai, ARRAY_SIZE(twl6040_dai));
1611 }
1612
1613 static int __devexit twl6040_codec_remove(struct platform_device *pdev)
1614 {
1615         snd_soc_unregister_codec(&pdev->dev);
1616         return 0;
1617 }
1618
1619 static struct platform_driver twl6040_codec_driver = {
1620         .driver = {
1621                 .name = "twl6040-codec",
1622                 .owner = THIS_MODULE,
1623         },
1624         .probe = twl6040_codec_probe,
1625         .remove = __devexit_p(twl6040_codec_remove),
1626 };
1627
1628 static int __init twl6040_codec_init(void)
1629 {
1630         return platform_driver_register(&twl6040_codec_driver);
1631 }
1632 module_init(twl6040_codec_init);
1633
1634 static void __exit twl6040_codec_exit(void)
1635 {
1636         platform_driver_unregister(&twl6040_codec_driver);
1637 }
1638 module_exit(twl6040_codec_exit);
1639
1640 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1641 MODULE_AUTHOR("Misael Lopez Cruz");
1642 MODULE_LICENSE("GPL");