Pileus Git - ~andy/linux/blob - 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         0x18, /* TWL6040_MICLCTL        0x0C    - No input selected on Left Mic */
 122         0x18, /* TWL6040_MICRCTL        0x0D    - No input selected on Right Mic */
 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 /*
 159  * twl6040 vio/gnd registers:
 160  * registers under vio/gnd supply can be accessed
 161  * before the power-up sequence, after NRESPWRON goes high
 162  */
 163 static const int twl6040_vio_reg[TWL6040_VIOREGNUM] = {
 164         TWL6040_REG_ASICID,
 165         TWL6040_REG_ASICREV,
 166         TWL6040_REG_INTID,
 167         TWL6040_REG_INTMR,
 168         TWL6040_REG_NCPCTL,
 169         TWL6040_REG_LDOCTL,
 170         TWL6040_REG_AMICBCTL,
 171         TWL6040_REG_DMICBCTL,
 172         TWL6040_REG_HKCTL1,
 173         TWL6040_REG_HKCTL2,
 174         TWL6040_REG_GPOCTL,
 175         TWL6040_REG_TRIM1,
 176         TWL6040_REG_TRIM2,
 177         TWL6040_REG_TRIM3,
 178         TWL6040_REG_HSOTRIM,
 179         TWL6040_REG_HFOTRIM,
 180         TWL6040_REG_ACCCTL,
 181         TWL6040_REG_STATUS,
 182 };
 183
 184 /*
 185  * twl6040 vdd/vss registers:
 186  * registers under vdd/vss supplies can only be accessed
 187  * after the power-up sequence
 188  */
 189 static const int twl6040_vdd_reg[TWL6040_VDDREGNUM] = {
 190         TWL6040_REG_HPPLLCTL,
 191         TWL6040_REG_LPPLLCTL,
 192         TWL6040_REG_LPPLLDIV,
 193         TWL6040_REG_MICLCTL,
 194         TWL6040_REG_MICRCTL,
 195         TWL6040_REG_MICGAIN,
 196         TWL6040_REG_LINEGAIN,
 197         TWL6040_REG_HSLCTL,
 198         TWL6040_REG_HSRCTL,
 199         TWL6040_REG_HSGAIN,
 200         TWL6040_REG_EARCTL,
 201         TWL6040_REG_HFLCTL,
 202         TWL6040_REG_HFLGAIN,
 203         TWL6040_REG_HFRCTL,
 204         TWL6040_REG_HFRGAIN,
 205         TWL6040_REG_VIBCTLL,
 206         TWL6040_REG_VIBDATL,
 207         TWL6040_REG_VIBCTLR,
 208         TWL6040_REG_VIBDATR,
 209         TWL6040_REG_ALB,
 210         TWL6040_REG_DLB,
 211 };
 212
 213 /* set of rates for each pll: low-power and high-performance */
 214 static unsigned int lp_rates[] = {
 215         8000,
 216         11250,
 217         16000,
 218         22500,
 219         32000,
 220         44100,
 221         48000,
 222         88200,
 223         96000,
 224 };
 225
 226 static unsigned int hp_rates[] = {
 227         8000,
 228         16000,
 229         32000,
 230         48000,
 231         96000,
 232 };
 233
 234 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
 235         { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
 236         { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
 237 };
 238
 239 /*
 240  * read twl6040 register cache
 241  */
 242 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
 243                                                 unsigned int reg)
 244 {
 245         u8 *cache = codec->reg_cache;
 246
 247         if (reg >= TWL6040_CACHEREGNUM)
 248                 return -EIO;
 249
 250         return cache[reg];
 251 }
 252
 253 /*
 254  * write twl6040 register cache
 255  */
 256 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
 257                                                 u8 reg, u8 value)
 258 {
 259         u8 *cache = codec->reg_cache;
 260
 261         if (reg >= TWL6040_CACHEREGNUM)
 262                 return;
 263         cache[reg] = value;
 264 }
 265
 266 /*
 267  * read from twl6040 hardware register
 268  */
 269 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
 270                         unsigned int reg)
 271 {
 272         struct twl6040 *twl6040 = codec->control_data;
 273         u8 value;
 274
 275         if (reg >= TWL6040_CACHEREGNUM)
 276                 return -EIO;
 277
 278         value = twl6040_reg_read(twl6040, reg);
 279         twl6040_write_reg_cache(codec, reg, value);
 280
 281         return value;
 282 }
 283
 284 /*
 285  * write to the twl6040 register space
 286  */
 287 static int twl6040_write(struct snd_soc_codec *codec,
 288                         unsigned int reg, unsigned int value)
 289 {
 290         struct twl6040 *twl6040 = codec->control_data;
 291
 292         if (reg >= TWL6040_CACHEREGNUM)
 293                 return -EIO;
 294
 295         twl6040_write_reg_cache(codec, reg, value);
 296         return twl6040_reg_write(twl6040, reg, value);
 297 }
 298
 299 static void twl6040_init_vio_regs(struct snd_soc_codec *codec)
 300 {
 301         u8 *cache = codec->reg_cache;
 302         int reg, i;
 303
 304         for (i = 0; i < TWL6040_VIOREGNUM; i++) {
 305                 reg = twl6040_vio_reg[i];
 306                 /*
 307                  * skip read-only registers (ASICID, ASICREV, STATUS)
 308                  * and registers shared among MFD children
 309                  */
 310                 switch (reg) {
 311                 case TWL6040_REG_ASICID:
 312                 case TWL6040_REG_ASICREV:
 313                 case TWL6040_REG_INTID:
 314                 case TWL6040_REG_INTMR:
 315                 case TWL6040_REG_NCPCTL:
 316                 case TWL6040_REG_LDOCTL:
 317                 case TWL6040_REG_GPOCTL:
 318                 case TWL6040_REG_ACCCTL:
 319                 case TWL6040_REG_STATUS:
 320                         continue;
 321                 default:
 322                         break;
 323                 }
 324                 twl6040_write(codec, reg, cache[reg]);
 325         }
 326 }
 327
 328 static void twl6040_init_vdd_regs(struct snd_soc_codec *codec)
 329 {
 330         u8 *cache = codec->reg_cache;
 331         int reg, i;
 332
 333         for (i = 0; i < TWL6040_VDDREGNUM; i++) {
 334                 reg = twl6040_vdd_reg[i];
 335                 /* skip vibra and PLL registers */
 336                 switch (reg) {
 337                 case TWL6040_REG_VIBCTLL:
 338                 case TWL6040_REG_VIBDATL:
 339                 case TWL6040_REG_VIBCTLR:
 340                 case TWL6040_REG_VIBDATR:
 341                 case TWL6040_REG_HPPLLCTL:
 342                 case TWL6040_REG_LPPLLCTL:
 343                 case TWL6040_REG_LPPLLDIV:
 344                         continue;
 345                 default:
 346                         break;
 347                 }
 348
 349                 twl6040_write(codec, reg, cache[reg]);
 350         }
 351 }
 352
 353 /*
 354  * Ramp HS PGA volume to minimise pops at stream startup and shutdown.
 355  */
 356 static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
 357                         unsigned int left_step, unsigned int right_step)
 358 {
 359
 360         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 361         struct twl6040_output *headset = &priv->headset;
 362         int left_complete = 0, right_complete = 0;
 363         u8 reg, val;
 364
 365         /* left channel */
 366         left_step = (left_step > 0xF) ? 0xF : left_step;
 367         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
 368         val = (~reg & TWL6040_HSL_VOL_MASK);
 369
 370         if (headset->ramp == TWL6040_RAMP_UP) {
 371                 /* ramp step up */
 372                 if (val < headset->left_vol) {
 373                         if (val + left_step > headset->left_vol)
 374                                 val = headset->left_vol;
 375                         else
 376                                 val += left_step;
 377
 378                         reg &= ~TWL6040_HSL_VOL_MASK;
 379                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 380                                         (reg | (~val & TWL6040_HSL_VOL_MASK)));
 381                 } else {
 382                         left_complete = 1;
 383                 }
 384         } else if (headset->ramp == TWL6040_RAMP_DOWN) {
 385                 /* ramp step down */
 386                 if (val > 0x0) {
 387                         if ((int)val - (int)left_step < 0)
 388                                 val = 0;
 389                         else
 390                                 val -= left_step;
 391
 392                         reg &= ~TWL6040_HSL_VOL_MASK;
 393                         twl6040_write(codec, TWL6040_REG_HSGAIN, reg |
 394                                                 (~val & TWL6040_HSL_VOL_MASK));
 395                 } else {
 396                         left_complete = 1;
 397                 }
 398         }
 399
 400         /* right channel */
 401         right_step = (right_step > 0xF) ? 0xF : right_step;
 402         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
 403         val = (~reg & TWL6040_HSR_VOL_MASK) >> TWL6040_HSR_VOL_SHIFT;
 404
 405         if (headset->ramp == TWL6040_RAMP_UP) {
 406                 /* ramp step up */
 407                 if (val < headset->right_vol) {
 408                         if (val + right_step > headset->right_vol)
 409                                 val = headset->right_vol;
 410                         else
 411                                 val += right_step;
 412
 413                         reg &= ~TWL6040_HSR_VOL_MASK;
 414                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 415                                 (reg | (~val << TWL6040_HSR_VOL_SHIFT)));
 416                 } else {
 417                         right_complete = 1;
 418                 }
 419         } else if (headset->ramp == TWL6040_RAMP_DOWN) {
 420                 /* ramp step down */
 421                 if (val > 0x0) {
 422                         if ((int)val - (int)right_step < 0)
 423                                 val = 0;
 424                         else
 425                                 val -= right_step;
 426
 427                         reg &= ~TWL6040_HSR_VOL_MASK;
 428                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 429                                          reg | (~val << TWL6040_HSR_VOL_SHIFT));
 430                 } else {
 431                         right_complete = 1;
 432                 }
 433         }
 434
 435         return left_complete & right_complete;
 436 }
 437
 438 /*
 439  * Ramp HF PGA volume to minimise pops at stream startup and shutdown.
 440  */
 441 static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
 442                         unsigned int left_step, unsigned int right_step)
 443 {
 444         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 445         struct twl6040_output *handsfree = &priv->handsfree;
 446         int left_complete = 0, right_complete = 0;
 447         u16 reg, val;
 448
 449         /* left channel */
 450         left_step = (left_step > 0x1D) ? 0x1D : left_step;
 451         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFLGAIN);
 452         reg = 0x1D - reg;
 453         val = (reg & TWL6040_HF_VOL_MASK);
 454         if (handsfree->ramp == TWL6040_RAMP_UP) {
 455                 /* ramp step up */
 456                 if (val < handsfree->left_vol) {
 457                         if (val + left_step > handsfree->left_vol)
 458                                 val = handsfree->left_vol;
 459                         else
 460                                 val += left_step;
 461
 462                         reg &= ~TWL6040_HF_VOL_MASK;
 463                         twl6040_write(codec, TWL6040_REG_HFLGAIN,
 464                                                 reg | (0x1D - val));
 465                 } else {
 466                         left_complete = 1;
 467                 }
 468         } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 469                 /* ramp step down */
 470                 if (val > 0) {
 471                         if ((int)val - (int)left_step < 0)
 472                                 val = 0;
 473                         else
 474                                 val -= left_step;
 475
 476                         reg &= ~TWL6040_HF_VOL_MASK;
 477                         twl6040_write(codec, TWL6040_REG_HFLGAIN,
 478                                                 reg | (0x1D - val));
 479                 } else {
 480                         left_complete = 1;
 481                 }
 482         }
 483
 484         /* right channel */
 485         right_step = (right_step > 0x1D) ? 0x1D : right_step;
 486         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFRGAIN);
 487         reg = 0x1D - reg;
 488         val = (reg & TWL6040_HF_VOL_MASK);
 489         if (handsfree->ramp == TWL6040_RAMP_UP) {
 490                 /* ramp step up */
 491                 if (val < handsfree->right_vol) {
 492                         if (val + right_step > handsfree->right_vol)
 493                                 val = handsfree->right_vol;
 494                         else
 495                                 val += right_step;
 496
 497                         reg &= ~TWL6040_HF_VOL_MASK;
 498                         twl6040_write(codec, TWL6040_REG_HFRGAIN,
 499                                                 reg | (0x1D - val));
 500                 } else {
 501                         right_complete = 1;
 502                 }
 503         } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 504                 /* ramp step down */
 505                 if (val > 0) {
 506                         if ((int)val - (int)right_step < 0)
 507                                 val = 0;
 508                         else
 509                                 val -= right_step;
 510
 511                         reg &= ~TWL6040_HF_VOL_MASK;
 512                         twl6040_write(codec, TWL6040_REG_HFRGAIN,
 513                                                 reg | (0x1D - val));
 514                 }
 515         }
 516
 517         return left_complete & right_complete;
 518 }
 519
 520 /*
 521  * This work ramps both output PGAs at stream start/stop time to
 522  * minimise pop associated with DAPM power switching.
 523  */
 524 static void twl6040_pga_hs_work(struct work_struct *work)
 525 {
 526         struct twl6040_data *priv =
 527                 container_of(work, struct twl6040_data, hs_delayed_work.work);
 528         struct snd_soc_codec *codec = priv->codec;
 529         struct twl6040_output *headset = &priv->headset;
 530         unsigned int delay = headset->step_delay;
 531         int i, headset_complete;
 532
 533         /* do we need to ramp at all ? */
 534         if (headset->ramp == TWL6040_RAMP_NONE)
 535                 return;
 536
 537         /* HS PGA volumes have 4 bits of resolution to ramp */
 538         for (i = 0; i <= 16; i++) {
 539                 headset_complete = twl6040_hs_ramp_step(codec,
 540                                                 headset->left_step,
 541                                                 headset->right_step);
 542
 543                 /* ramp finished ? */
 544                 if (headset_complete)
 545                         break;
 546
 547                 /*
 548                  * TODO: tune: delay is longer over 0dB
 549                  * as increases are larger.
 550                  */
 551                 if (i >= 8)
 552                         schedule_timeout_interruptible(msecs_to_jiffies(delay +
 553                                                         (delay >> 1)));
 554                 else
 555                         schedule_timeout_interruptible(msecs_to_jiffies(delay));
 556         }
 557
 558         if (headset->ramp == TWL6040_RAMP_DOWN) {
 559                 headset->active = 0;
 560                 complete(&headset->ramp_done);
 561         } else {
 562                 headset->active = 1;
 563         }
 564         headset->ramp = TWL6040_RAMP_NONE;
 565 }
 566
 567 static void twl6040_pga_hf_work(struct work_struct *work)
 568 {
 569         struct twl6040_data *priv =
 570                 container_of(work, struct twl6040_data, hf_delayed_work.work);
 571         struct snd_soc_codec *codec = priv->codec;
 572         struct twl6040_output *handsfree = &priv->handsfree;
 573         unsigned int delay = handsfree->step_delay;
 574         int i, handsfree_complete;
 575
 576         /* do we need to ramp at all ? */
 577         if (handsfree->ramp == TWL6040_RAMP_NONE)
 578                 return;
 579
 580         /* HF PGA volumes have 5 bits of resolution to ramp */
 581         for (i = 0; i <= 32; i++) {
 582                 handsfree_complete = twl6040_hf_ramp_step(codec,
 583                                                 handsfree->left_step,
 584                                                 handsfree->right_step);
 585
 586                 /* ramp finished ? */
 587                 if (handsfree_complete)
 588                         break;
 589
 590                 /*
 591                  * TODO: tune: delay is longer over 0dB
 592                  * as increases are larger.
 593                  */
 594                 if (i >= 16)
 595                         schedule_timeout_interruptible(msecs_to_jiffies(delay +
 596                                                        (delay >> 1)));
 597                 else
 598                         schedule_timeout_interruptible(msecs_to_jiffies(delay));
 599         }
 600
 601
 602         if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 603                 handsfree->active = 0;
 604                 complete(&handsfree->ramp_done);
 605         } else
 606                 handsfree->active = 1;
 607         handsfree->ramp = TWL6040_RAMP_NONE;
 608 }
 609
 610 static int pga_event(struct snd_soc_dapm_widget *w,
 611                         struct snd_kcontrol *kcontrol, int event)
 612 {
 613         struct snd_soc_codec *codec = w->codec;
 614         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 615         struct twl6040_output *out;
 616         struct delayed_work *work;
 617         struct workqueue_struct *queue;
 618
 619         switch (w->shift) {
 620         case 2:
 621         case 3:
 622                 out = &priv->headset;
 623                 work = &priv->hs_delayed_work;
 624                 queue = priv->hs_workqueue;
 625                 out->left_step = priv->hs_left_step;
 626                 out->right_step = priv->hs_right_step;
 627                 out->step_delay = 5;    /* 5 ms between volume ramp steps */
 628                 break;
 629         case 4:
 630                 out = &priv->handsfree;
 631                 work = &priv->hf_delayed_work;
 632                 queue = priv->hf_workqueue;
 633                 out->left_step = priv->hf_left_step;
 634                 out->right_step = priv->hf_right_step;
 635                 out->step_delay = 5;    /* 5 ms between volume ramp steps */
 636                 if (SND_SOC_DAPM_EVENT_ON(event))
 637                         priv->non_lp++;
 638                 else
 639                         priv->non_lp--;
 640                 break;
 641         default:
 642                 return -1;
 643         }
 644
 645         switch (event) {
 646         case SND_SOC_DAPM_POST_PMU:
 647                 if (out->active)
 648                         break;
 649
 650                 /* don't use volume ramp for power-up */
 651                 out->left_step = out->left_vol;
 652                 out->right_step = out->right_vol;
 653
 654                 if (!delayed_work_pending(work)) {
 655                         out->ramp = TWL6040_RAMP_UP;
 656                         queue_delayed_work(queue, work,
 657                                         msecs_to_jiffies(1));
 658                 }
 659                 break;
 660
 661         case SND_SOC_DAPM_PRE_PMD:
 662                 if (!out->active)
 663                         break;
 664
 665                 if (!delayed_work_pending(work)) {
 666                         /* use volume ramp for power-down */
 667                         out->ramp = TWL6040_RAMP_DOWN;
 668                         INIT_COMPLETION(out->ramp_done);
 669
 670                         queue_delayed_work(queue, work,
 671                                         msecs_to_jiffies(1));
 672
 673                         wait_for_completion_timeout(&out->ramp_done,
 674                                         msecs_to_jiffies(2000));
 675                 }
 676                 break;
 677         }
 678
 679         return 0;
 680 }
 681
 682 /* set headset dac and driver power mode */
 683 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
 684 {
 685         int hslctl, hsrctl;
 686         int mask = TWL6040_HSDRVMODEL | TWL6040_HSDACMODEL;
 687
 688         hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
 689         hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
 690
 691         if (high_perf) {
 692                 hslctl &= ~mask;
 693                 hsrctl &= ~mask;
 694         } else {
 695                 hslctl |= mask;
 696                 hsrctl |= mask;
 697         }
 698
 699         twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
 700         twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
 701
 702         return 0;
 703 }
 704
 705 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
 706                         struct snd_kcontrol *kcontrol, int event)
 707 {
 708         msleep(1);
 709         return 0;
 710 }
 711
 712 static int twl6040_power_mode_event(struct snd_soc_dapm_widget *w,
 713                         struct snd_kcontrol *kcontrol, int event)
 714 {
 715         struct snd_soc_codec *codec = w->codec;
 716         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 717         int ret = 0;
 718
 719         if (SND_SOC_DAPM_EVENT_ON(event)) {
 720                 priv->non_lp++;
 721                 if (!strcmp(w->name, "Earphone Driver")) {
 722                         /* Earphone doesn't support low power mode */
 723                         priv->hs_power_mode_locked = 1;
 724                         ret = headset_power_mode(codec, 1);
 725                 }
 726         } else {
 727                 priv->non_lp--;
 728                 if (!strcmp(w->name, "Earphone Driver")) {
 729                         priv->hs_power_mode_locked = 0;
 730                         ret = headset_power_mode(codec, priv->hs_power_mode);
 731                 }
 732         }
 733
 734         msleep(1);
 735
 736         return ret;
 737 }
 738
 739 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
 740                                    struct snd_soc_jack *jack, int report)
 741 {
 742         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 743         int status;
 744
 745         mutex_lock(&priv->mutex);
 746
 747         /* Sync status */
 748         status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
 749         if (status & TWL6040_PLUGCOMP)
 750                 snd_soc_jack_report(jack, report, report);
 751         else
 752                 snd_soc_jack_report(jack, 0, report);
 753
 754         mutex_unlock(&priv->mutex);
 755 }
 756
 757 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
 758                                 struct snd_soc_jack *jack, int report)
 759 {
 760         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 761         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 762
 763         hs_jack->jack = jack;
 764         hs_jack->report = report;
 765
 766         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 767 }
 768 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
 769
 770 static void twl6040_accessory_work(struct work_struct *work)
 771 {
 772         struct twl6040_data *priv = container_of(work,
 773                                         struct twl6040_data, delayed_work.work);
 774         struct snd_soc_codec *codec = priv->codec;
 775         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 776
 777         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 778 }
 779
 780 /* audio interrupt handler */
 781 static irqreturn_t twl6040_audio_handler(int irq, void *data)
 782 {
 783         struct snd_soc_codec *codec = data;
 784         struct twl6040 *twl6040 = codec->control_data;
 785         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 786         u8 intid;
 787
 788         intid = twl6040_reg_read(twl6040, TWL6040_REG_INTID);
 789
 790         if ((intid & TWL6040_PLUGINT) || (intid & TWL6040_UNPLUGINT))
 791                 queue_delayed_work(priv->workqueue, &priv->delayed_work,
 792                                                         msecs_to_jiffies(200));
 793
 794         return IRQ_HANDLED;
 795 }
 796
 797 static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
 798                                   struct snd_ctl_elem_value *ucontrol)
 799 {
 800         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 801         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 802         struct twl6040_output *out = NULL;
 803         struct soc_mixer_control *mc =
 804                 (struct soc_mixer_control *)kcontrol->private_value;
 805         int ret;
 806         unsigned int reg = mc->reg;
 807
 808         /* For HS and HF we shadow the values and only actually write
 809          * them out when active in order to ensure the amplifier comes on
 810          * as quietly as possible. */
 811         switch (reg) {
 812         case TWL6040_REG_HSGAIN:
 813                 out = &twl6040_priv->headset;
 814                 break;
 815         default:
 816                 break;
 817         }
 818
 819         if (out) {
 820                 out->left_vol = ucontrol->value.integer.value[0];
 821                 out->right_vol = ucontrol->value.integer.value[1];
 822                 if (!out->active)
 823                         return 1;
 824         }
 825
 826         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 827         if (ret < 0)
 828                 return ret;
 829
 830         return 1;
 831 }
 832
 833 static int twl6040_get_volsw(struct snd_kcontrol *kcontrol,
 834                                 struct snd_ctl_elem_value *ucontrol)
 835 {
 836         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 837         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 838         struct twl6040_output *out = &twl6040_priv->headset;
 839         struct soc_mixer_control *mc =
 840                 (struct soc_mixer_control *)kcontrol->private_value;
 841         unsigned int reg = mc->reg;
 842
 843         switch (reg) {
 844         case TWL6040_REG_HSGAIN:
 845                 out = &twl6040_priv->headset;
 846                 ucontrol->value.integer.value[0] = out->left_vol;
 847                 ucontrol->value.integer.value[1] = out->right_vol;
 848                 return 0;
 849
 850         default:
 851                 break;
 852         }
 853
 854         return snd_soc_get_volsw(kcontrol, ucontrol);
 855 }
 856
 857 static int twl6040_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
 858                                   struct snd_ctl_elem_value *ucontrol)
 859 {
 860         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 861         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 862         struct twl6040_output *out = NULL;
 863         struct soc_mixer_control *mc =
 864                 (struct soc_mixer_control *)kcontrol->private_value;
 865         int ret;
 866         unsigned int reg = mc->reg;
 867
 868         /* For HS and HF we shadow the values and only actually write
 869          * them out when active in order to ensure the amplifier comes on
 870          * as quietly as possible. */
 871         switch (reg) {
 872         case TWL6040_REG_HFLGAIN:
 873         case TWL6040_REG_HFRGAIN:
 874                 out = &twl6040_priv->handsfree;
 875                 break;
 876         default:
 877                 break;
 878         }
 879
 880         if (out) {
 881                 out->left_vol = ucontrol->value.integer.value[0];
 882                 out->right_vol = ucontrol->value.integer.value[1];
 883                 if (!out->active)
 884                         return 1;
 885         }
 886
 887         ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
 888         if (ret < 0)
 889                 return ret;
 890
 891         return 1;
 892 }
 893
 894 static int twl6040_get_volsw_2r(struct snd_kcontrol *kcontrol,
 895                                 struct snd_ctl_elem_value *ucontrol)
 896 {
 897         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 898         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 899         struct twl6040_output *out = &twl6040_priv->handsfree;
 900         struct soc_mixer_control *mc =
 901                 (struct soc_mixer_control *)kcontrol->private_value;
 902         unsigned int reg = mc->reg;
 903
 904         /* If these are cached registers use the cache */
 905         switch (reg) {
 906         case TWL6040_REG_HFLGAIN:
 907         case TWL6040_REG_HFRGAIN:
 908                 out = &twl6040_priv->handsfree;
 909                 ucontrol->value.integer.value[0] = out->left_vol;
 910                 ucontrol->value.integer.value[1] = out->right_vol;
 911                 return 0;
 912
 913         default:
 914                 break;
 915         }
 916
 917         return snd_soc_get_volsw_2r(kcontrol, ucontrol);
 918 }
 919
 920 /* double control with volume update */
 921 #define SOC_TWL6040_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax,\
 922                                                         xinvert, tlv_array)\
 923 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 924         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 925                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 926         .tlv.p = (tlv_array), \
 927         .info = snd_soc_info_volsw, .get = twl6040_get_volsw, \
 928         .put = twl6040_put_volsw, \
 929         .private_value = (unsigned long)&(struct soc_mixer_control) \
 930                 {.reg = xreg, .shift = shift_left, .rshift = shift_right,\
 931                  .max = xmax, .platform_max = xmax, .invert = xinvert} }
 932
 933 /* double control with volume update */
 934 #define SOC_TWL6040_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax,\
 935                                 xinvert, tlv_array)\
 936 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 937         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 938                 SNDRV_CTL_ELEM_ACCESS_READWRITE | \
 939                 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
 940         .tlv.p = (tlv_array), \
 941         .info = snd_soc_info_volsw_2r, \
 942         .get = twl6040_get_volsw_2r, .put = twl6040_put_volsw_2r_vu, \
 943         .private_value = (unsigned long)&(struct soc_mixer_control) \
 944                 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
 945                  .rshift = xshift, .max = xmax, .invert = xinvert}, }
 946
 947 /*
 948  * MICATT volume control:
 949  * from -6 to 0 dB in 6 dB steps
 950  */
 951 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
 952
 953 /*
 954  * MICGAIN volume control:
 955  * from 6 to 30 dB in 6 dB steps
 956  */
 957 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
 958
 959 /*
 960  * AFMGAIN volume control:
 961  * from -18 to 24 dB in 6 dB steps
 962  */
 963 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
 964
 965 /*
 966  * HSGAIN volume control:
 967  * from -30 to 0 dB in 2 dB steps
 968  */
 969 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
 970
 971 /*
 972  * HFGAIN volume control:
 973  * from -52 to 6 dB in 2 dB steps
 974  */
 975 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
 976
 977 /*
 978  * EPGAIN volume control:
 979  * from -24 to 6 dB in 2 dB steps
 980  */
 981 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
 982
 983 /* Left analog microphone selection */
 984 static const char *twl6040_amicl_texts[] =
 985         {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
 986
 987 /* Right analog microphone selection */
 988 static const char *twl6040_amicr_texts[] =
 989         {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
 990
 991 static const struct soc_enum twl6040_enum[] = {
 992         SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
 993         SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
 994 };
 995
 996 static const char *twl6040_hs_texts[] = {
 997         "Off", "HS DAC", "Line-In amp"
 998 };
 999
1000 static const struct soc_enum twl6040_hs_enum[] = {
1001         SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
1002                         twl6040_hs_texts),
1003         SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
1004                         twl6040_hs_texts),
1005 };
1006
1007 static const char *twl6040_hf_texts[] = {
1008         "Off", "HF DAC", "Line-In amp"
1009 };
1010
1011 static const struct soc_enum twl6040_hf_enum[] = {
1012         SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
1013                         twl6040_hf_texts),
1014         SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
1015                         twl6040_hf_texts),
1016 };
1017
1018 static const struct snd_kcontrol_new amicl_control =
1019         SOC_DAPM_ENUM("Route", twl6040_enum[0]);
1020
1021 static const struct snd_kcontrol_new amicr_control =
1022         SOC_DAPM_ENUM("Route", twl6040_enum[1]);
1023
1024 /* Headset DAC playback switches */
1025 static const struct snd_kcontrol_new hsl_mux_controls =
1026         SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
1027
1028 static const struct snd_kcontrol_new hsr_mux_controls =
1029         SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
1030
1031 /* Handsfree DAC playback switches */
1032 static const struct snd_kcontrol_new hfl_mux_controls =
1033         SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
1034
1035 static const struct snd_kcontrol_new hfr_mux_controls =
1036         SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
1037
1038 static const struct snd_kcontrol_new ep_driver_switch_controls =
1039         SOC_DAPM_SINGLE("Switch", TWL6040_REG_EARCTL, 0, 1, 0);
1040
1041 /* Headset power mode */
1042 static const char *twl6040_power_mode_texts[] = {
1043         "Low-Power", "High-Perfomance",
1044 };
1045
1046 static const struct soc_enum twl6040_power_mode_enum =
1047         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
1048                         twl6040_power_mode_texts);
1049
1050 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
1051         struct snd_ctl_elem_value *ucontrol)
1052 {
1053         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1054         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1055
1056         ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
1057
1058         return 0;
1059 }
1060
1061 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
1062         struct snd_ctl_elem_value *ucontrol)
1063 {
1064         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1065         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1066         int high_perf = ucontrol->value.enumerated.item[0];
1067         int ret = 0;
1068
1069         if (!priv->hs_power_mode_locked)
1070                 ret = headset_power_mode(codec, high_perf);
1071
1072         if (!ret)
1073                 priv->hs_power_mode = high_perf;
1074
1075         return ret;
1076 }
1077
1078 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
1079         struct snd_ctl_elem_value *ucontrol)
1080 {
1081         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1082         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1083
1084         ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
1085
1086         return 0;
1087 }
1088
1089 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
1090         struct snd_ctl_elem_value *ucontrol)
1091 {
1092         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1093         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1094
1095         priv->pll_power_mode = ucontrol->value.enumerated.item[0];
1096
1097         return 0;
1098 }
1099
1100 int twl6040_get_clk_id(struct snd_soc_codec *codec)
1101 {
1102         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1103
1104         return priv->pll_power_mode;
1105 }
1106 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
1107
1108 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
1109         /* Capture gains */
1110         SOC_DOUBLE_TLV("Capture Preamplifier Volume",
1111                 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
1112         SOC_DOUBLE_TLV("Capture Volume",
1113                 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
1114
1115         /* AFM gains */
1116         SOC_DOUBLE_TLV("Aux FM Volume",
1117                 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
1118
1119         /* Playback gains */
1120         SOC_TWL6040_DOUBLE_TLV("Headset Playback Volume",
1121                 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
1122         SOC_TWL6040_DOUBLE_R_TLV("Handsfree Playback Volume",
1123                 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
1124         SOC_SINGLE_TLV("Earphone Playback Volume",
1125                 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
1126
1127         SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
1128                 twl6040_headset_power_get_enum,
1129                 twl6040_headset_power_put_enum),
1130
1131         SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
1132                 twl6040_pll_get_enum, twl6040_pll_put_enum),
1133 };
1134
1135 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
1136         /* Inputs */
1137         SND_SOC_DAPM_INPUT("MAINMIC"),
1138         SND_SOC_DAPM_INPUT("HSMIC"),
1139         SND_SOC_DAPM_INPUT("SUBMIC"),
1140         SND_SOC_DAPM_INPUT("AFML"),
1141         SND_SOC_DAPM_INPUT("AFMR"),
1142
1143         /* Outputs */
1144         SND_SOC_DAPM_OUTPUT("HSOL"),
1145         SND_SOC_DAPM_OUTPUT("HSOR"),
1146         SND_SOC_DAPM_OUTPUT("HFL"),
1147         SND_SOC_DAPM_OUTPUT("HFR"),
1148         SND_SOC_DAPM_OUTPUT("EP"),
1149
1150         /* Analog input muxes for the capture amplifiers */
1151         SND_SOC_DAPM_MUX("Analog Left Capture Route",
1152                         SND_SOC_NOPM, 0, 0, &amicl_control),
1153         SND_SOC_DAPM_MUX("Analog Right Capture Route",
1154                         SND_SOC_NOPM, 0, 0, &amicr_control),
1155
1156         /* Analog capture PGAs */
1157         SND_SOC_DAPM_PGA("MicAmpL",
1158                         TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
1159         SND_SOC_DAPM_PGA("MicAmpR",
1160                         TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
1161
1162         /* Auxiliary FM PGAs */
1163         SND_SOC_DAPM_PGA("AFMAmpL",
1164                         TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
1165         SND_SOC_DAPM_PGA("AFMAmpR",
1166                         TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
1167
1168         /* ADCs */
1169         SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
1170                         TWL6040_REG_MICLCTL, 2, 0),
1171         SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
1172                         TWL6040_REG_MICRCTL, 2, 0),
1173
1174         /* Microphone bias */
1175         SND_SOC_DAPM_MICBIAS("Headset Mic Bias",
1176                         TWL6040_REG_AMICBCTL, 0, 0),
1177         SND_SOC_DAPM_MICBIAS("Main Mic Bias",
1178                         TWL6040_REG_AMICBCTL, 4, 0),
1179         SND_SOC_DAPM_MICBIAS("Digital Mic1 Bias",
1180                         TWL6040_REG_DMICBCTL, 0, 0),
1181         SND_SOC_DAPM_MICBIAS("Digital Mic2 Bias",
1182                         TWL6040_REG_DMICBCTL, 4, 0),
1183
1184         /* DACs */
1185         SND_SOC_DAPM_DAC_E("HSDAC Left", "Headset Playback",
1186                         TWL6040_REG_HSLCTL, 0, 0,
1187                         twl6040_hs_dac_event,
1188                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1189         SND_SOC_DAPM_DAC_E("HSDAC Right", "Headset Playback",
1190                         TWL6040_REG_HSRCTL, 0, 0,
1191                         twl6040_hs_dac_event,
1192                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1193         SND_SOC_DAPM_DAC_E("HFDAC Left", "Handsfree Playback",
1194                         TWL6040_REG_HFLCTL, 0, 0,
1195                         twl6040_power_mode_event,
1196                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1197         SND_SOC_DAPM_DAC_E("HFDAC Right", "Handsfree Playback",
1198                         TWL6040_REG_HFRCTL, 0, 0,
1199                         twl6040_power_mode_event,
1200                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1201
1202         SND_SOC_DAPM_MUX("HF Left Playback",
1203                         SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
1204         SND_SOC_DAPM_MUX("HF Right Playback",
1205                         SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
1206         /* Analog playback Muxes */
1207         SND_SOC_DAPM_MUX("HS Left Playback",
1208                         SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
1209         SND_SOC_DAPM_MUX("HS Right Playback",
1210                         SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
1211
1212         /* Analog playback drivers */
1213         SND_SOC_DAPM_OUT_DRV_E("Handsfree Left Driver",
1214                         TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
1215                         pga_event,
1216                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1217         SND_SOC_DAPM_OUT_DRV_E("Handsfree Right Driver",
1218                         TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
1219                         pga_event,
1220                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1221         SND_SOC_DAPM_OUT_DRV_E("Headset Left Driver",
1222                         TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
1223                         pga_event,
1224                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1225         SND_SOC_DAPM_OUT_DRV_E("Headset Right Driver",
1226                         TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
1227                         pga_event,
1228                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1229         SND_SOC_DAPM_SWITCH_E("Earphone Driver",
1230                         SND_SOC_NOPM, 0, 0, &ep_driver_switch_controls,
1231                         twl6040_power_mode_event,
1232                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1233
1234         /* Analog playback PGAs */
1235         SND_SOC_DAPM_PGA("HFDAC Left PGA",
1236                         TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
1237         SND_SOC_DAPM_PGA("HFDAC Right PGA",
1238                         TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
1239
1240 };
1241
1242 static const struct snd_soc_dapm_route intercon[] = {
1243         /* Capture path */
1244         {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
1245         {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
1246         {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
1247
1248         {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
1249         {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
1250         {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
1251
1252         {"MicAmpL", NULL, "Analog Left Capture Route"},
1253         {"MicAmpR", NULL, "Analog Right Capture Route"},
1254
1255         {"ADC Left", NULL, "MicAmpL"},
1256         {"ADC Right", NULL, "MicAmpR"},
1257
1258         /* AFM path */
1259         {"AFMAmpL", "NULL", "AFML"},
1260         {"AFMAmpR", "NULL", "AFMR"},
1261
1262         {"HS Left Playback", "HS DAC", "HSDAC Left"},
1263         {"HS Left Playback", "Line-In amp", "AFMAmpL"},
1264
1265         {"HS Right Playback", "HS DAC", "HSDAC Right"},
1266         {"HS Right Playback", "Line-In amp", "AFMAmpR"},
1267
1268         {"Headset Left Driver", "NULL", "HS Left Playback"},
1269         {"Headset Right Driver", "NULL", "HS Right Playback"},
1270
1271         {"HSOL", NULL, "Headset Left Driver"},
1272         {"HSOR", NULL, "Headset Right Driver"},
1273
1274         /* Earphone playback path */
1275         {"Earphone Driver", "Switch", "HSDAC Left"},
1276         {"EP", NULL, "Earphone Driver"},
1277
1278         {"HF Left Playback", "HF DAC", "HFDAC Left"},
1279         {"HF Left Playback", "Line-In amp", "AFMAmpL"},
1280
1281         {"HF Right Playback", "HF DAC", "HFDAC Right"},
1282         {"HF Right Playback", "Line-In amp", "AFMAmpR"},
1283
1284         {"HFDAC Left PGA", NULL, "HF Left Playback"},
1285         {"HFDAC Right PGA", NULL, "HF Right Playback"},
1286
1287         {"Handsfree Left Driver", "Switch", "HFDAC Left PGA"},
1288         {"Handsfree Right Driver", "Switch", "HFDAC Right PGA"},
1289
1290         {"HFL", NULL, "Handsfree Left Driver"},
1291         {"HFR", NULL, "Handsfree Right Driver"},
1292 };
1293
1294 static int twl6040_add_widgets(struct snd_soc_codec *codec)
1295 {
1296         struct snd_soc_dapm_context *dapm = &codec->dapm;
1297
1298         snd_soc_dapm_new_controls(dapm, twl6040_dapm_widgets,
1299                                  ARRAY_SIZE(twl6040_dapm_widgets));
1300         snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
1301         snd_soc_dapm_new_widgets(dapm);
1302
1303         return 0;
1304 }
1305
1306 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
1307                                 enum snd_soc_bias_level level)
1308 {
1309         struct twl6040 *twl6040 = codec->control_data;
1310         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1311         int ret;
1312
1313         switch (level) {
1314         case SND_SOC_BIAS_ON:
1315                 break;
1316         case SND_SOC_BIAS_PREPARE:
1317                 break;
1318         case SND_SOC_BIAS_STANDBY:
1319                 if (priv->codec_powered)
1320                         break;
1321
1322                 ret = twl6040_power(twl6040, 1);
1323                 if (ret)
1324                         return ret;
1325
1326                 priv->codec_powered = 1;
1327
1328                 /* initialize vdd/vss registers with reg_cache */
1329                 twl6040_init_vdd_regs(codec);
1330
1331                 /* Set external boost GPO */
1332                 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
1333                 break;
1334         case SND_SOC_BIAS_OFF:
1335                 if (!priv->codec_powered)
1336                         break;
1337
1338                 twl6040_power(twl6040, 0);
1339                 priv->codec_powered = 0;
1340                 break;
1341         }
1342
1343         codec->dapm.bias_level = level;
1344
1345         return 0;
1346 }
1347
1348 static int twl6040_startup(struct snd_pcm_substream *substream,
1349                         struct snd_soc_dai *dai)
1350 {
1351         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1352         struct snd_soc_codec *codec = rtd->codec;
1353         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1354
1355         snd_pcm_hw_constraint_list(substream->runtime, 0,
1356                                 SNDRV_PCM_HW_PARAM_RATE,
1357                                 &sysclk_constraints[priv->pll_power_mode]);
1358
1359         return 0;
1360 }
1361
1362 static int twl6040_hw_params(struct snd_pcm_substream *substream,
1363                         struct snd_pcm_hw_params *params,
1364                         struct snd_soc_dai *dai)
1365 {
1366         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1367         struct snd_soc_codec *codec = rtd->codec;
1368         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1369         int rate;
1370
1371         rate = params_rate(params);
1372         switch (rate) {
1373         case 11250:
1374         case 22500:
1375         case 44100:
1376         case 88200:
1377                 /* These rates are not supported when HPPLL is in use */
1378                 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
1379                         dev_err(codec->dev, "HPPLL does not support rate %d\n",
1380                                 rate);
1381                         return -EINVAL;
1382                 }
1383                 /* Capture is not supported with 17.64MHz sysclk */
1384                 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
1385                         dev_err(codec->dev,
1386                                 "capture mode is not supported at %dHz\n",
1387                                 rate);
1388                         return -EINVAL;
1389                 }
1390                 priv->sysclk = 17640000;
1391                 break;
1392         case 8000:
1393         case 16000:
1394         case 32000:
1395         case 48000:
1396         case 96000:
1397                 priv->sysclk = 19200000;
1398                 break;
1399         default:
1400                 dev_err(codec->dev, "unsupported rate %d\n", rate);
1401                 return -EINVAL;
1402         }
1403
1404         return 0;
1405 }
1406
1407 static int twl6040_prepare(struct snd_pcm_substream *substream,
1408                         struct snd_soc_dai *dai)
1409 {
1410         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1411         struct snd_soc_codec *codec = rtd->codec;
1412         struct twl6040 *twl6040 = codec->control_data;
1413         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1414         int ret;
1415
1416         if (!priv->sysclk) {
1417                 dev_err(codec->dev,
1418                         "no mclk configured, call set_sysclk() on init\n");
1419                 return -EINVAL;
1420         }
1421
1422         if ((priv->sysclk == 17640000) && priv->non_lp) {
1423                         dev_err(codec->dev,
1424                                 "some enabled paths aren't supported at %dHz\n",
1425                                 priv->sysclk);
1426                         return -EPERM;
1427         }
1428
1429         ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1430         if (ret) {
1431                 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1432                 return -EPERM;
1433         }
1434
1435         return 0;
1436 }
1437
1438 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1439                 int clk_id, unsigned int freq, int dir)
1440 {
1441         struct snd_soc_codec *codec = codec_dai->codec;
1442         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1443
1444         switch (clk_id) {
1445         case TWL6040_SYSCLK_SEL_LPPLL:
1446         case TWL6040_SYSCLK_SEL_HPPLL:
1447                 priv->pll = clk_id;
1448                 priv->clk_in = freq;
1449                 break;
1450         default:
1451                 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1452                 return -EINVAL;
1453         }
1454
1455         return 0;
1456 }
1457
1458 static struct snd_soc_dai_ops twl6040_dai_ops = {
1459         .startup        = twl6040_startup,
1460         .hw_params      = twl6040_hw_params,
1461         .prepare        = twl6040_prepare,
1462         .set_sysclk     = twl6040_set_dai_sysclk,
1463 };
1464
1465 static struct snd_soc_dai_driver twl6040_dai[] = {
1466 {
1467         .name = "twl6040-hifi",
1468         .playback = {
1469                 .stream_name = "Playback",
1470                 .channels_min = 1,
1471                 .channels_max = 2,
1472                 .rates = TWL6040_RATES,
1473                 .formats = TWL6040_FORMATS,
1474         },
1475         .capture = {
1476                 .stream_name = "Capture",
1477                 .channels_min = 1,
1478                 .channels_max = 2,
1479                 .rates = TWL6040_RATES,
1480                 .formats = TWL6040_FORMATS,
1481         },
1482         .ops = &twl6040_dai_ops,
1483 },
1484 {
1485         .name = "twl6040-ul",
1486         .capture = {
1487                 .stream_name = "Capture",
1488                 .channels_min = 1,
1489                 .channels_max = 2,
1490                 .rates = TWL6040_RATES,
1491                 .formats = TWL6040_FORMATS,
1492         },
1493         .ops = &twl6040_dai_ops,
1494 },
1495 {
1496         .name = "twl6040-dl1",
1497         .playback = {
1498                 .stream_name = "Headset Playback",
1499                 .channels_min = 1,
1500                 .channels_max = 2,
1501                 .rates = TWL6040_RATES,
1502                 .formats = TWL6040_FORMATS,
1503         },
1504         .ops = &twl6040_dai_ops,
1505 },
1506 {
1507         .name = "twl6040-dl2",
1508         .playback = {
1509                 .stream_name = "Handsfree Playback",
1510                 .channels_min = 1,
1511                 .channels_max = 2,
1512                 .rates = TWL6040_RATES,
1513                 .formats = TWL6040_FORMATS,
1514         },
1515         .ops = &twl6040_dai_ops,
1516 },
1517 {
1518         .name = "twl6040-vib",
1519         .playback = {
1520                 .stream_name = "Vibra Playback",
1521                 .channels_min = 2,
1522                 .channels_max = 2,
1523                 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1524                 .formats = TWL6040_FORMATS,
1525         },
1526         .ops = &twl6040_dai_ops,
1527 },
1528 };
1529
1530 #ifdef CONFIG_PM
1531 static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state)
1532 {
1533         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1534
1535         return 0;
1536 }
1537
1538 static int twl6040_resume(struct snd_soc_codec *codec)
1539 {
1540         twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1541         twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
1542
1543         return 0;
1544 }
1545 #else
1546 #define twl6040_suspend NULL
1547 #define twl6040_resume NULL
1548 #endif
1549
1550 static int twl6040_probe(struct snd_soc_codec *codec)
1551 {
1552         struct twl6040_data *priv;
1553         struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
1554         struct platform_device *pdev = container_of(codec->dev,
1555                                                    struct platform_device, dev);
1556         int ret = 0;
1557
1558         priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
1559         if (priv == NULL)
1560                 return -ENOMEM;
1561         snd_soc_codec_set_drvdata(codec, priv);
1562
1563         priv->codec = codec;
1564         codec->control_data = dev_get_drvdata(codec->dev->parent);
1565
1566         if (pdata && pdata->hs_left_step && pdata->hs_right_step) {
1567                 priv->hs_left_step = pdata->hs_left_step;
1568                 priv->hs_right_step = pdata->hs_right_step;
1569         } else {
1570                 priv->hs_left_step = 1;
1571                 priv->hs_right_step = 1;
1572         }
1573
1574         if (pdata && pdata->hf_left_step && pdata->hf_right_step) {
1575                 priv->hf_left_step = pdata->hf_left_step;
1576                 priv->hf_right_step = pdata->hf_right_step;
1577         } else {
1578                 priv->hf_left_step = 1;
1579                 priv->hf_right_step = 1;
1580         }
1581
1582         priv->plug_irq = platform_get_irq(pdev, 0);
1583         if (priv->plug_irq < 0) {
1584                 dev_err(codec->dev, "invalid irq\n");
1585                 ret = -EINVAL;
1586                 goto work_err;
1587         }
1588
1589         priv->workqueue = create_singlethread_workqueue("twl6040-codec");
1590         if (!priv->workqueue) {
1591                 ret = -ENOMEM;
1592                 goto work_err;
1593         }
1594
1595         INIT_DELAYED_WORK(&priv->delayed_work, twl6040_accessory_work);
1596
1597         mutex_init(&priv->mutex);
1598
1599         init_completion(&priv->headset.ramp_done);
1600         init_completion(&priv->handsfree.ramp_done);
1601
1602         priv->hf_workqueue = create_singlethread_workqueue("twl6040-hf");
1603         if (priv->hf_workqueue == NULL) {
1604                 ret = -ENOMEM;
1605                 goto hfwq_err;
1606         }
1607         priv->hs_workqueue = create_singlethread_workqueue("twl6040-hs");
1608         if (priv->hs_workqueue == NULL) {
1609                 ret = -ENOMEM;
1610                 goto hswq_err;
1611         }
1612
1613         INIT_DELAYED_WORK(&priv->hs_delayed_work, twl6040_pga_hs_work);
1614         INIT_DELAYED_WORK(&priv->hf_delayed_work, twl6040_pga_hf_work);
1615
1616         ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler,
1617                                    0, "twl6040_irq_plug", codec);
1618         if (ret) {
1619                 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1620                 goto plugirq_err;
1621         }
1622
1623         /* init vio registers */
1624         twl6040_init_vio_regs(codec);
1625
1626         /* power on device */
1627         ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1628         if (ret)
1629                 goto bias_err;
1630
1631         snd_soc_add_controls(codec, twl6040_snd_controls,
1632                                 ARRAY_SIZE(twl6040_snd_controls));
1633         twl6040_add_widgets(codec);
1634
1635         return 0;
1636
1637 bias_err:
1638         free_irq(priv->plug_irq, codec);
1639 plugirq_err:
1640         destroy_workqueue(priv->hs_workqueue);
1641 hswq_err:
1642         destroy_workqueue(priv->hf_workqueue);
1643 hfwq_err:
1644         destroy_workqueue(priv->workqueue);
1645 work_err:
1646         kfree(priv);
1647         return ret;
1648 }
1649
1650 static int twl6040_remove(struct snd_soc_codec *codec)
1651 {
1652         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1653
1654         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1655         free_irq(priv->plug_irq, codec);
1656         destroy_workqueue(priv->workqueue);
1657         destroy_workqueue(priv->hf_workqueue);
1658         destroy_workqueue(priv->hs_workqueue);
1659         kfree(priv);
1660
1661         return 0;
1662 }
1663
1664 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1665         .probe = twl6040_probe,
1666         .remove = twl6040_remove,
1667         .suspend = twl6040_suspend,
1668         .resume = twl6040_resume,
1669         .read = twl6040_read_reg_cache,
1670         .write = twl6040_write,
1671         .set_bias_level = twl6040_set_bias_level,
1672         .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1673         .reg_word_size = sizeof(u8),
1674         .reg_cache_default = twl6040_reg,
1675 };
1676
1677 static int __devinit twl6040_codec_probe(struct platform_device *pdev)
1678 {
1679         return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1680                                       twl6040_dai, ARRAY_SIZE(twl6040_dai));
1681 }
1682
1683 static int __devexit twl6040_codec_remove(struct platform_device *pdev)
1684 {
1685         snd_soc_unregister_codec(&pdev->dev);
1686         return 0;
1687 }
1688
1689 static struct platform_driver twl6040_codec_driver = {
1690         .driver = {
1691                 .name = "twl6040-codec",
1692                 .owner = THIS_MODULE,
1693         },
1694         .probe = twl6040_codec_probe,
1695         .remove = __devexit_p(twl6040_codec_remove),
1696 };
1697
1698 static int __init twl6040_codec_init(void)
1699 {
1700         return platform_driver_register(&twl6040_codec_driver);
1701 }
1702 module_init(twl6040_codec_init);
1703
1704 static void __exit twl6040_codec_exit(void)
1705 {
1706         platform_driver_unregister(&twl6040_codec_driver);
1707 }
1708 module_exit(twl6040_codec_exit);
1709
1710 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1711 MODULE_AUTHOR("Misael Lopez Cruz");
1712 MODULE_LICENSE("GPL");