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 codec_powered;
  80         int pll;
  81         int non_lp;
  82         unsigned int clk_in;
  83         unsigned int sysclk;
  84         struct snd_pcm_hw_constraint_list *sysclk_constraints;
  85         struct twl6040_jack_data hs_jack;
  86         struct snd_soc_codec *codec;
  87         struct workqueue_struct *workqueue;
  88         struct delayed_work delayed_work;
  89         struct mutex mutex;
  90         struct twl6040_output headset;
  91         struct twl6040_output handsfree;
  92         struct workqueue_struct *hf_workqueue;
  93         struct workqueue_struct *hs_workqueue;
  94         struct delayed_work hs_delayed_work;
  95         struct delayed_work hf_delayed_work;
  96 };
  97
  98 /*
  99  * twl6040 register cache & default register settings
 100  */
 101 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
 102         0x00, /* not used               0x00    */
 103         0x4B, /* TWL6040_ASICID (ro)    0x01    */
 104         0x00, /* TWL6040_ASICREV (ro)   0x02    */
 105         0x00, /* TWL6040_INTID          0x03    */
 106         0x00, /* TWL6040_INTMR          0x04    */
 107         0x00, /* TWL6040_NCPCTRL        0x05    */
 108         0x00, /* TWL6040_LDOCTL         0x06    */
 109         0x60, /* TWL6040_HPPLLCTL       0x07    */
 110         0x00, /* TWL6040_LPPLLCTL       0x08    */
 111         0x4A, /* TWL6040_LPPLLDIV       0x09    */
 112         0x00, /* TWL6040_AMICBCTL       0x0A    */
 113         0x00, /* TWL6040_DMICBCTL       0x0B    */
 114         0x18, /* TWL6040_MICLCTL        0x0C    - No input selected on Left Mic */
 115         0x18, /* TWL6040_MICRCTL        0x0D    - No input selected on Right Mic */
 116         0x00, /* TWL6040_MICGAIN        0x0E    */
 117         0x1B, /* TWL6040_LINEGAIN       0x0F    */
 118         0x00, /* TWL6040_HSLCTL         0x10    */
 119         0x00, /* TWL6040_HSRCTL         0x11    */
 120         0x00, /* TWL6040_HSGAIN         0x12    */
 121         0x00, /* TWL6040_EARCTL         0x13    */
 122         0x00, /* TWL6040_HFLCTL         0x14    */
 123         0x00, /* TWL6040_HFLGAIN        0x15    */
 124         0x00, /* TWL6040_HFRCTL         0x16    */
 125         0x00, /* TWL6040_HFRGAIN        0x17    */
 126         0x00, /* TWL6040_VIBCTLL        0x18    */
 127         0x00, /* TWL6040_VIBDATL        0x19    */
 128         0x00, /* TWL6040_VIBCTLR        0x1A    */
 129         0x00, /* TWL6040_VIBDATR        0x1B    */
 130         0x00, /* TWL6040_HKCTL1         0x1C    */
 131         0x00, /* TWL6040_HKCTL2         0x1D    */
 132         0x00, /* TWL6040_GPOCTL         0x1E    */
 133         0x00, /* TWL6040_ALB            0x1F    */
 134         0x00, /* TWL6040_DLB            0x20    */
 135         0x00, /* not used               0x21    */
 136         0x00, /* not used               0x22    */
 137         0x00, /* not used               0x23    */
 138         0x00, /* not used               0x24    */
 139         0x00, /* not used               0x25    */
 140         0x00, /* not used               0x26    */
 141         0x00, /* not used               0x27    */
 142         0x00, /* TWL6040_TRIM1          0x28    */
 143         0x00, /* TWL6040_TRIM2          0x29    */
 144         0x00, /* TWL6040_TRIM3          0x2A    */
 145         0x00, /* TWL6040_HSOTRIM        0x2B    */
 146         0x00, /* TWL6040_HFOTRIM        0x2C    */
 147         0x09, /* TWL6040_ACCCTL         0x2D    */
 148         0x00, /* TWL6040_STATUS (ro)    0x2E    */
 149 };
 150
 151 /*
 152  * twl6040 vio/gnd registers:
 153  * registers under vio/gnd supply can be accessed
 154  * before the power-up sequence, after NRESPWRON goes high
 155  */
 156 static const int twl6040_vio_reg[TWL6040_VIOREGNUM] = {
 157         TWL6040_REG_ASICID,
 158         TWL6040_REG_ASICREV,
 159         TWL6040_REG_INTID,
 160         TWL6040_REG_INTMR,
 161         TWL6040_REG_NCPCTL,
 162         TWL6040_REG_LDOCTL,
 163         TWL6040_REG_AMICBCTL,
 164         TWL6040_REG_DMICBCTL,
 165         TWL6040_REG_HKCTL1,
 166         TWL6040_REG_HKCTL2,
 167         TWL6040_REG_GPOCTL,
 168         TWL6040_REG_TRIM1,
 169         TWL6040_REG_TRIM2,
 170         TWL6040_REG_TRIM3,
 171         TWL6040_REG_HSOTRIM,
 172         TWL6040_REG_HFOTRIM,
 173         TWL6040_REG_ACCCTL,
 174         TWL6040_REG_STATUS,
 175 };
 176
 177 /*
 178  * twl6040 vdd/vss registers:
 179  * registers under vdd/vss supplies can only be accessed
 180  * after the power-up sequence
 181  */
 182 static const int twl6040_vdd_reg[TWL6040_VDDREGNUM] = {
 183         TWL6040_REG_HPPLLCTL,
 184         TWL6040_REG_LPPLLCTL,
 185         TWL6040_REG_LPPLLDIV,
 186         TWL6040_REG_MICLCTL,
 187         TWL6040_REG_MICRCTL,
 188         TWL6040_REG_MICGAIN,
 189         TWL6040_REG_LINEGAIN,
 190         TWL6040_REG_HSLCTL,
 191         TWL6040_REG_HSRCTL,
 192         TWL6040_REG_HSGAIN,
 193         TWL6040_REG_EARCTL,
 194         TWL6040_REG_HFLCTL,
 195         TWL6040_REG_HFLGAIN,
 196         TWL6040_REG_HFRCTL,
 197         TWL6040_REG_HFRGAIN,
 198         TWL6040_REG_VIBCTLL,
 199         TWL6040_REG_VIBDATL,
 200         TWL6040_REG_VIBCTLR,
 201         TWL6040_REG_VIBDATR,
 202         TWL6040_REG_ALB,
 203         TWL6040_REG_DLB,
 204 };
 205
 206 /*
 207  * read twl6040 register cache
 208  */
 209 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
 210                                                 unsigned int reg)
 211 {
 212         u8 *cache = codec->reg_cache;
 213
 214         if (reg >= TWL6040_CACHEREGNUM)
 215                 return -EIO;
 216
 217         return cache[reg];
 218 }
 219
 220 /*
 221  * write twl6040 register cache
 222  */
 223 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
 224                                                 u8 reg, u8 value)
 225 {
 226         u8 *cache = codec->reg_cache;
 227
 228         if (reg >= TWL6040_CACHEREGNUM)
 229                 return;
 230         cache[reg] = value;
 231 }
 232
 233 /*
 234  * read from twl6040 hardware register
 235  */
 236 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
 237                         unsigned int reg)
 238 {
 239         struct twl6040 *twl6040 = codec->control_data;
 240         u8 value;
 241
 242         if (reg >= TWL6040_CACHEREGNUM)
 243                 return -EIO;
 244
 245         value = twl6040_reg_read(twl6040, reg);
 246         twl6040_write_reg_cache(codec, reg, value);
 247
 248         return value;
 249 }
 250
 251 /*
 252  * write to the twl6040 register space
 253  */
 254 static int twl6040_write(struct snd_soc_codec *codec,
 255                         unsigned int reg, unsigned int value)
 256 {
 257         struct twl6040 *twl6040 = codec->control_data;
 258
 259         if (reg >= TWL6040_CACHEREGNUM)
 260                 return -EIO;
 261
 262         twl6040_write_reg_cache(codec, reg, value);
 263         return twl6040_reg_write(twl6040, reg, value);
 264 }
 265
 266 static void twl6040_init_vio_regs(struct snd_soc_codec *codec)
 267 {
 268         u8 *cache = codec->reg_cache;
 269         int reg, i;
 270
 271         for (i = 0; i < TWL6040_VIOREGNUM; i++) {
 272                 reg = twl6040_vio_reg[i];
 273                 /*
 274                  * skip read-only registers (ASICID, ASICREV, STATUS)
 275                  * and registers shared among MFD children
 276                  */
 277                 switch (reg) {
 278                 case TWL6040_REG_ASICID:
 279                 case TWL6040_REG_ASICREV:
 280                 case TWL6040_REG_INTID:
 281                 case TWL6040_REG_INTMR:
 282                 case TWL6040_REG_NCPCTL:
 283                 case TWL6040_REG_LDOCTL:
 284                 case TWL6040_REG_GPOCTL:
 285                 case TWL6040_REG_ACCCTL:
 286                 case TWL6040_REG_STATUS:
 287                         continue;
 288                 default:
 289                         break;
 290                 }
 291                 twl6040_write(codec, reg, cache[reg]);
 292         }
 293 }
 294
 295 static void twl6040_init_vdd_regs(struct snd_soc_codec *codec)
 296 {
 297         u8 *cache = codec->reg_cache;
 298         int reg, i;
 299
 300         for (i = 0; i < TWL6040_VDDREGNUM; i++) {
 301                 reg = twl6040_vdd_reg[i];
 302                 /* skip vibra and PLL registers */
 303                 switch (reg) {
 304                 case TWL6040_REG_VIBCTLL:
 305                 case TWL6040_REG_VIBDATL:
 306                 case TWL6040_REG_VIBCTLR:
 307                 case TWL6040_REG_VIBDATR:
 308                 case TWL6040_REG_HPPLLCTL:
 309                 case TWL6040_REG_LPPLLCTL:
 310                 case TWL6040_REG_LPPLLDIV:
 311                         continue;
 312                 default:
 313                         break;
 314                 }
 315
 316                 twl6040_write(codec, reg, cache[reg]);
 317         }
 318 }
 319
 320 /*
 321  * Ramp HS PGA volume to minimise pops at stream startup and shutdown.
 322  */
 323 static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
 324                         unsigned int left_step, unsigned int right_step)
 325 {
 326
 327         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 328         struct twl6040_output *headset = &priv->headset;
 329         int left_complete = 0, right_complete = 0;
 330         u8 reg, val;
 331
 332         /* left channel */
 333         left_step = (left_step > 0xF) ? 0xF : left_step;
 334         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
 335         val = (~reg & TWL6040_HSL_VOL_MASK);
 336
 337         if (headset->ramp == TWL6040_RAMP_UP) {
 338                 /* ramp step up */
 339                 if (val < headset->left_vol) {
 340                         val += left_step;
 341                         reg &= ~TWL6040_HSL_VOL_MASK;
 342                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 343                                         (reg | (~val & TWL6040_HSL_VOL_MASK)));
 344                 } else {
 345                         left_complete = 1;
 346                 }
 347         } else if (headset->ramp == TWL6040_RAMP_DOWN) {
 348                 /* ramp step down */
 349                 if (val > 0x0) {
 350                         val -= left_step;
 351                         reg &= ~TWL6040_HSL_VOL_MASK;
 352                         twl6040_write(codec, TWL6040_REG_HSGAIN, reg |
 353                                                 (~val & TWL6040_HSL_VOL_MASK));
 354                 } else {
 355                         left_complete = 1;
 356                 }
 357         }
 358
 359         /* right channel */
 360         right_step = (right_step > 0xF) ? 0xF : right_step;
 361         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
 362         val = (~reg & TWL6040_HSR_VOL_MASK) >> TWL6040_HSR_VOL_SHIFT;
 363
 364         if (headset->ramp == TWL6040_RAMP_UP) {
 365                 /* ramp step up */
 366                 if (val < headset->right_vol) {
 367                         val += right_step;
 368                         reg &= ~TWL6040_HSR_VOL_MASK;
 369                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 370                                 (reg | (~val << TWL6040_HSR_VOL_SHIFT)));
 371                 } else {
 372                         right_complete = 1;
 373                 }
 374         } else if (headset->ramp == TWL6040_RAMP_DOWN) {
 375                 /* ramp step down */
 376                 if (val > 0x0) {
 377                         val -= right_step;
 378                         reg &= ~TWL6040_HSR_VOL_MASK;
 379                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 380                                          reg | (~val << TWL6040_HSR_VOL_SHIFT));
 381                 } else {
 382                         right_complete = 1;
 383                 }
 384         }
 385
 386         return left_complete & right_complete;
 387 }
 388
 389 /*
 390  * Ramp HF PGA volume to minimise pops at stream startup and shutdown.
 391  */
 392 static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
 393                         unsigned int left_step, unsigned int right_step)
 394 {
 395         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 396         struct twl6040_output *handsfree = &priv->handsfree;
 397         int left_complete = 0, right_complete = 0;
 398         u16 reg, val;
 399
 400         /* left channel */
 401         left_step = (left_step > 0x1D) ? 0x1D : left_step;
 402         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFLGAIN);
 403         reg = 0x1D - reg;
 404         val = (reg & TWL6040_HF_VOL_MASK);
 405         if (handsfree->ramp == TWL6040_RAMP_UP) {
 406                 /* ramp step up */
 407                 if (val < handsfree->left_vol) {
 408                         val += left_step;
 409                         reg &= ~TWL6040_HF_VOL_MASK;
 410                         twl6040_write(codec, TWL6040_REG_HFLGAIN,
 411                                                 reg | (0x1D - val));
 412                 } else {
 413                         left_complete = 1;
 414                 }
 415         } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 416                 /* ramp step down */
 417                 if (val > 0) {
 418                         val -= left_step;
 419                         reg &= ~TWL6040_HF_VOL_MASK;
 420                         twl6040_write(codec, TWL6040_REG_HFLGAIN,
 421                                                 reg | (0x1D - val));
 422                 } else {
 423                         left_complete = 1;
 424                 }
 425         }
 426
 427         /* right channel */
 428         right_step = (right_step > 0x1D) ? 0x1D : right_step;
 429         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFRGAIN);
 430         reg = 0x1D - reg;
 431         val = (reg & TWL6040_HF_VOL_MASK);
 432         if (handsfree->ramp == TWL6040_RAMP_UP) {
 433                 /* ramp step up */
 434                 if (val < handsfree->right_vol) {
 435                         val += right_step;
 436                         reg &= ~TWL6040_HF_VOL_MASK;
 437                         twl6040_write(codec, TWL6040_REG_HFRGAIN,
 438                                                 reg | (0x1D - val));
 439                 } else {
 440                         right_complete = 1;
 441                 }
 442         } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 443                 /* ramp step down */
 444                 if (val > 0) {
 445                         val -= right_step;
 446                         reg &= ~TWL6040_HF_VOL_MASK;
 447                         twl6040_write(codec, TWL6040_REG_HFRGAIN,
 448                                                 reg | (0x1D - val));
 449                 }
 450         }
 451
 452         return left_complete & right_complete;
 453 }
 454
 455 /*
 456  * This work ramps both output PGAs at stream start/stop time to
 457  * minimise pop associated with DAPM power switching.
 458  */
 459 static void twl6040_pga_hs_work(struct work_struct *work)
 460 {
 461         struct twl6040_data *priv =
 462                 container_of(work, struct twl6040_data, hs_delayed_work.work);
 463         struct snd_soc_codec *codec = priv->codec;
 464         struct twl6040_output *headset = &priv->headset;
 465         unsigned int delay = headset->step_delay;
 466         int i, headset_complete;
 467
 468         /* do we need to ramp at all ? */
 469         if (headset->ramp == TWL6040_RAMP_NONE)
 470                 return;
 471
 472         /* HS PGA volumes have 4 bits of resolution to ramp */
 473         for (i = 0; i <= 16; i++) {
 474                 headset_complete = 1;
 475                 if (headset->ramp != TWL6040_RAMP_NONE)
 476                         headset_complete = twl6040_hs_ramp_step(codec,
 477                                                         headset->left_step,
 478                                                         headset->right_step);
 479
 480                 /* ramp finished ? */
 481                 if (headset_complete)
 482                         break;
 483
 484                 /*
 485                  * TODO: tune: delay is longer over 0dB
 486                  * as increases are larger.
 487                  */
 488                 if (i >= 8)
 489                         schedule_timeout_interruptible(msecs_to_jiffies(delay +
 490                                                         (delay >> 1)));
 491                 else
 492                         schedule_timeout_interruptible(msecs_to_jiffies(delay));
 493         }
 494
 495         if (headset->ramp == TWL6040_RAMP_DOWN) {
 496                 headset->active = 0;
 497                 complete(&headset->ramp_done);
 498         } else {
 499                 headset->active = 1;
 500         }
 501         headset->ramp = TWL6040_RAMP_NONE;
 502 }
 503
 504 static void twl6040_pga_hf_work(struct work_struct *work)
 505 {
 506         struct twl6040_data *priv =
 507                 container_of(work, struct twl6040_data, hf_delayed_work.work);
 508         struct snd_soc_codec *codec = priv->codec;
 509         struct twl6040_output *handsfree = &priv->handsfree;
 510         unsigned int delay = handsfree->step_delay;
 511         int i, handsfree_complete;
 512
 513         /* do we need to ramp at all ? */
 514         if (handsfree->ramp == TWL6040_RAMP_NONE)
 515                 return;
 516
 517         /* HF PGA volumes have 5 bits of resolution to ramp */
 518         for (i = 0; i <= 32; i++) {
 519                 handsfree_complete = 1;
 520                 if (handsfree->ramp != TWL6040_RAMP_NONE)
 521                         handsfree_complete = twl6040_hf_ramp_step(codec,
 522                                                         handsfree->left_step,
 523                                                         handsfree->right_step);
 524
 525                 /* ramp finished ? */
 526                 if (handsfree_complete)
 527                         break;
 528
 529                 /*
 530                  * TODO: tune: delay is longer over 0dB
 531                  * as increases are larger.
 532                  */
 533                 if (i >= 16)
 534                         schedule_timeout_interruptible(msecs_to_jiffies(delay +
 535                                                        (delay >> 1)));
 536                 else
 537                         schedule_timeout_interruptible(msecs_to_jiffies(delay));
 538         }
 539
 540
 541         if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 542                 handsfree->active = 0;
 543                 complete(&handsfree->ramp_done);
 544         } else
 545                 handsfree->active = 1;
 546         handsfree->ramp = TWL6040_RAMP_NONE;
 547 }
 548
 549 static int pga_event(struct snd_soc_dapm_widget *w,
 550                         struct snd_kcontrol *kcontrol, int event)
 551 {
 552         struct snd_soc_codec *codec = w->codec;
 553         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 554         struct twl6040_output *out;
 555         struct delayed_work *work;
 556         struct workqueue_struct *queue;
 557
 558         switch (w->shift) {
 559         case 2:
 560         case 3:
 561                 out = &priv->headset;
 562                 work = &priv->hs_delayed_work;
 563                 queue = priv->hs_workqueue;
 564                 out->step_delay = 5;    /* 5 ms between volume ramp steps */
 565                 break;
 566         case 4:
 567                 out = &priv->handsfree;
 568                 work = &priv->hf_delayed_work;
 569                 queue = priv->hf_workqueue;
 570                 out->step_delay = 5;    /* 5 ms between volume ramp steps */
 571                 if (SND_SOC_DAPM_EVENT_ON(event))
 572                         priv->non_lp++;
 573                 else
 574                         priv->non_lp--;
 575                 break;
 576         default:
 577                 return -1;
 578         }
 579
 580         switch (event) {
 581         case SND_SOC_DAPM_POST_PMU:
 582                 if (out->active)
 583                         break;
 584
 585                 /* don't use volume ramp for power-up */
 586                 out->left_step = out->left_vol;
 587                 out->right_step = out->right_vol;
 588
 589                 if (!delayed_work_pending(work)) {
 590                         out->ramp = TWL6040_RAMP_UP;
 591                         queue_delayed_work(queue, work,
 592                                         msecs_to_jiffies(1));
 593                 }
 594                 break;
 595
 596         case SND_SOC_DAPM_PRE_PMD:
 597                 if (!out->active)
 598                         break;
 599
 600                 if (!delayed_work_pending(work)) {
 601                         /* use volume ramp for power-down */
 602                         out->left_step = 1;
 603                         out->right_step = 1;
 604                         out->ramp = TWL6040_RAMP_DOWN;
 605                         INIT_COMPLETION(out->ramp_done);
 606
 607                         queue_delayed_work(queue, work,
 608                                         msecs_to_jiffies(1));
 609
 610                         wait_for_completion_timeout(&out->ramp_done,
 611                                         msecs_to_jiffies(2000));
 612                 }
 613                 break;
 614         }
 615
 616         return 0;
 617 }
 618
 619 /* set headset dac and driver power mode */
 620 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
 621 {
 622         int hslctl, hsrctl;
 623         int mask = TWL6040_HSDRVMODEL | TWL6040_HSDACMODEL;
 624
 625         hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
 626         hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
 627
 628         if (high_perf) {
 629                 hslctl &= ~mask;
 630                 hsrctl &= ~mask;
 631         } else {
 632                 hslctl |= mask;
 633                 hsrctl |= mask;
 634         }
 635
 636         twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
 637         twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
 638
 639         return 0;
 640 }
 641
 642 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
 643                         struct snd_kcontrol *kcontrol, int event)
 644 {
 645         msleep(1);
 646         return 0;
 647 }
 648
 649 static int twl6040_power_mode_event(struct snd_soc_dapm_widget *w,
 650                         struct snd_kcontrol *kcontrol, int event)
 651 {
 652         struct snd_soc_codec *codec = w->codec;
 653         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 654
 655         if (SND_SOC_DAPM_EVENT_ON(event))
 656                 priv->non_lp++;
 657         else
 658                 priv->non_lp--;
 659
 660         msleep(1);
 661
 662         return 0;
 663 }
 664
 665 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
 666                                    struct snd_soc_jack *jack, int report)
 667 {
 668         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 669         int status;
 670
 671         mutex_lock(&priv->mutex);
 672
 673         /* Sync status */
 674         status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
 675         if (status & TWL6040_PLUGCOMP)
 676                 snd_soc_jack_report(jack, report, report);
 677         else
 678                 snd_soc_jack_report(jack, 0, report);
 679
 680         mutex_unlock(&priv->mutex);
 681 }
 682
 683 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
 684                                 struct snd_soc_jack *jack, int report)
 685 {
 686         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 687         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 688
 689         hs_jack->jack = jack;
 690         hs_jack->report = report;
 691
 692         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 693 }
 694 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
 695
 696 static void twl6040_accessory_work(struct work_struct *work)
 697 {
 698         struct twl6040_data *priv = container_of(work,
 699                                         struct twl6040_data, delayed_work.work);
 700         struct snd_soc_codec *codec = priv->codec;
 701         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 702
 703         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 704 }
 705
 706 /* audio interrupt handler */
 707 static irqreturn_t twl6040_audio_handler(int irq, void *data)
 708 {
 709         struct snd_soc_codec *codec = data;
 710         struct twl6040 *twl6040 = codec->control_data;
 711         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 712         u8 intid;
 713
 714         intid = twl6040_reg_read(twl6040, TWL6040_REG_INTID);
 715
 716         if ((intid & TWL6040_PLUGINT) || (intid & TWL6040_UNPLUGINT))
 717                 queue_delayed_work(priv->workqueue, &priv->delayed_work,
 718                                                         msecs_to_jiffies(200));
 719
 720         return IRQ_HANDLED;
 721 }
 722
 723 static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
 724                                   struct snd_ctl_elem_value *ucontrol)
 725 {
 726         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 727         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 728         struct twl6040_output *out = NULL;
 729         struct soc_mixer_control *mc =
 730                 (struct soc_mixer_control *)kcontrol->private_value;
 731         int ret;
 732         unsigned int reg = mc->reg;
 733
 734         /* For HS and HF we shadow the values and only actually write
 735          * them out when active in order to ensure the amplifier comes on
 736          * as quietly as possible. */
 737         switch (reg) {
 738         case TWL6040_REG_HSGAIN:
 739                 out = &twl6040_priv->headset;
 740                 break;
 741         default:
 742                 break;
 743         }
 744
 745         if (out) {
 746                 out->left_vol = ucontrol->value.integer.value[0];
 747                 out->right_vol = ucontrol->value.integer.value[1];
 748                 if (!out->active)
 749                         return 1;
 750         }
 751
 752         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 753         if (ret < 0)
 754                 return ret;
 755
 756         return 1;
 757 }
 758
 759 static int twl6040_get_volsw(struct snd_kcontrol *kcontrol,
 760                                 struct snd_ctl_elem_value *ucontrol)
 761 {
 762         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 763         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 764         struct twl6040_output *out = &twl6040_priv->headset;
 765         struct soc_mixer_control *mc =
 766                 (struct soc_mixer_control *)kcontrol->private_value;
 767         unsigned int reg = mc->reg;
 768
 769         switch (reg) {
 770         case TWL6040_REG_HSGAIN:
 771                 out = &twl6040_priv->headset;
 772                 ucontrol->value.integer.value[0] = out->left_vol;
 773                 ucontrol->value.integer.value[1] = out->right_vol;
 774                 return 0;
 775
 776         default:
 777                 break;
 778         }
 779
 780         return snd_soc_get_volsw(kcontrol, ucontrol);
 781 }
 782
 783 static int twl6040_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
 784                                   struct snd_ctl_elem_value *ucontrol)
 785 {
 786         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 787         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 788         struct twl6040_output *out = NULL;
 789         struct soc_mixer_control *mc =
 790                 (struct soc_mixer_control *)kcontrol->private_value;
 791         int ret;
 792         unsigned int reg = mc->reg;
 793
 794         /* For HS and HF we shadow the values and only actually write
 795          * them out when active in order to ensure the amplifier comes on
 796          * as quietly as possible. */
 797         switch (reg) {
 798         case TWL6040_REG_HFLGAIN:
 799         case TWL6040_REG_HFRGAIN:
 800                 out = &twl6040_priv->handsfree;
 801                 break;
 802         default:
 803                 break;
 804         }
 805
 806         if (out) {
 807                 out->left_vol = ucontrol->value.integer.value[0];
 808                 out->right_vol = ucontrol->value.integer.value[1];
 809                 if (!out->active)
 810                         return 1;
 811         }
 812
 813         ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
 814         if (ret < 0)
 815                 return ret;
 816
 817         return 1;
 818 }
 819
 820 static int twl6040_get_volsw_2r(struct snd_kcontrol *kcontrol,
 821                                 struct snd_ctl_elem_value *ucontrol)
 822 {
 823         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 824         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 825         struct twl6040_output *out = &twl6040_priv->handsfree;
 826         struct soc_mixer_control *mc =
 827                 (struct soc_mixer_control *)kcontrol->private_value;
 828         unsigned int reg = mc->reg;
 829
 830         /* If these are cached registers use the cache */
 831         switch (reg) {
 832         case TWL6040_REG_HFLGAIN:
 833         case TWL6040_REG_HFRGAIN:
 834                 out = &twl6040_priv->handsfree;
 835                 ucontrol->value.integer.value[0] = out->left_vol;
 836                 ucontrol->value.integer.value[1] = out->right_vol;
 837                 return 0;
 838
 839         default:
 840                 break;
 841         }
 842
 843         return snd_soc_get_volsw_2r(kcontrol, ucontrol);
 844 }
 845
 846 /* double control with volume update */
 847 #define SOC_TWL6040_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax,\
 848                                                         xinvert, tlv_array)\
 849 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 850         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 851                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 852         .tlv.p = (tlv_array), \
 853         .info = snd_soc_info_volsw, .get = twl6040_get_volsw, \
 854         .put = twl6040_put_volsw, \
 855         .private_value = (unsigned long)&(struct soc_mixer_control) \
 856                 {.reg = xreg, .shift = shift_left, .rshift = shift_right,\
 857                  .max = xmax, .platform_max = xmax, .invert = xinvert} }
 858
 859 /* double control with volume update */
 860 #define SOC_TWL6040_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax,\
 861                                 xinvert, tlv_array)\
 862 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 863         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 864                 SNDRV_CTL_ELEM_ACCESS_READWRITE | \
 865                 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
 866         .tlv.p = (tlv_array), \
 867         .info = snd_soc_info_volsw_2r, \
 868         .get = twl6040_get_volsw_2r, .put = twl6040_put_volsw_2r_vu, \
 869         .private_value = (unsigned long)&(struct soc_mixer_control) \
 870                 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
 871                  .rshift = xshift, .max = xmax, .invert = xinvert}, }
 872
 873 /*
 874  * MICATT volume control:
 875  * from -6 to 0 dB in 6 dB steps
 876  */
 877 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
 878
 879 /*
 880  * MICGAIN volume control:
 881  * from -6 to 30 dB in 6 dB steps
 882  */
 883 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -600, 600, 0);
 884
 885 /*
 886  * AFMGAIN volume control:
 887  * from -18 to 24 dB in 6 dB steps
 888  */
 889 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
 890
 891 /*
 892  * HSGAIN volume control:
 893  * from -30 to 0 dB in 2 dB steps
 894  */
 895 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
 896
 897 /*
 898  * HFGAIN volume control:
 899  * from -52 to 6 dB in 2 dB steps
 900  */
 901 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
 902
 903 /*
 904  * EPGAIN volume control:
 905  * from -24 to 6 dB in 2 dB steps
 906  */
 907 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
 908
 909 /* Left analog microphone selection */
 910 static const char *twl6040_amicl_texts[] =
 911         {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
 912
 913 /* Right analog microphone selection */
 914 static const char *twl6040_amicr_texts[] =
 915         {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
 916
 917 static const struct soc_enum twl6040_enum[] = {
 918         SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
 919         SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
 920 };
 921
 922 static const char *twl6040_hs_texts[] = {
 923         "Off", "HS DAC", "Line-In amp"
 924 };
 925
 926 static const struct soc_enum twl6040_hs_enum[] = {
 927         SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 928                         twl6040_hs_texts),
 929         SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 930                         twl6040_hs_texts),
 931 };
 932
 933 static const char *twl6040_hf_texts[] = {
 934         "Off", "HF DAC", "Line-In amp"
 935 };
 936
 937 static const struct soc_enum twl6040_hf_enum[] = {
 938         SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 939                         twl6040_hf_texts),
 940         SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 941                         twl6040_hf_texts),
 942 };
 943
 944 static const struct snd_kcontrol_new amicl_control =
 945         SOC_DAPM_ENUM("Route", twl6040_enum[0]);
 946
 947 static const struct snd_kcontrol_new amicr_control =
 948         SOC_DAPM_ENUM("Route", twl6040_enum[1]);
 949
 950 /* Headset DAC playback switches */
 951 static const struct snd_kcontrol_new hsl_mux_controls =
 952         SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
 953
 954 static const struct snd_kcontrol_new hsr_mux_controls =
 955         SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
 956
 957 /* Handsfree DAC playback switches */
 958 static const struct snd_kcontrol_new hfl_mux_controls =
 959         SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
 960
 961 static const struct snd_kcontrol_new hfr_mux_controls =
 962         SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
 963
 964 static const struct snd_kcontrol_new ep_driver_switch_controls =
 965         SOC_DAPM_SINGLE("Switch", TWL6040_REG_EARCTL, 0, 1, 0);
 966
 967 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
 968         /* Capture gains */
 969         SOC_DOUBLE_TLV("Capture Preamplifier Volume",
 970                 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
 971         SOC_DOUBLE_TLV("Capture Volume",
 972                 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
 973
 974         /* AFM gains */
 975         SOC_DOUBLE_TLV("Aux FM Volume",
 976                 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
 977
 978         /* Playback gains */
 979         SOC_TWL6040_DOUBLE_TLV("Headset Playback Volume",
 980                 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
 981         SOC_TWL6040_DOUBLE_R_TLV("Handsfree Playback Volume",
 982                 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
 983         SOC_SINGLE_TLV("Earphone Playback Volume",
 984                 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
 985 };
 986
 987 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
 988         /* Inputs */
 989         SND_SOC_DAPM_INPUT("MAINMIC"),
 990         SND_SOC_DAPM_INPUT("HSMIC"),
 991         SND_SOC_DAPM_INPUT("SUBMIC"),
 992         SND_SOC_DAPM_INPUT("AFML"),
 993         SND_SOC_DAPM_INPUT("AFMR"),
 994
 995         /* Outputs */
 996         SND_SOC_DAPM_OUTPUT("HSOL"),
 997         SND_SOC_DAPM_OUTPUT("HSOR"),
 998         SND_SOC_DAPM_OUTPUT("HFL"),
 999         SND_SOC_DAPM_OUTPUT("HFR"),
1000         SND_SOC_DAPM_OUTPUT("EP"),
1001
1002         /* Analog input muxes for the capture amplifiers */
1003         SND_SOC_DAPM_MUX("Analog Left Capture Route",
1004                         SND_SOC_NOPM, 0, 0, &amicl_control),
1005         SND_SOC_DAPM_MUX("Analog Right Capture Route",
1006                         SND_SOC_NOPM, 0, 0, &amicr_control),
1007
1008         /* Analog capture PGAs */
1009         SND_SOC_DAPM_PGA("MicAmpL",
1010                         TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
1011         SND_SOC_DAPM_PGA("MicAmpR",
1012                         TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
1013
1014         /* Auxiliary FM PGAs */
1015         SND_SOC_DAPM_PGA("AFMAmpL",
1016                         TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
1017         SND_SOC_DAPM_PGA("AFMAmpR",
1018                         TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
1019
1020         /* ADCs */
1021         SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
1022                         TWL6040_REG_MICLCTL, 2, 0),
1023         SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
1024                         TWL6040_REG_MICRCTL, 2, 0),
1025
1026         /* Microphone bias */
1027         SND_SOC_DAPM_MICBIAS("Headset Mic Bias",
1028                         TWL6040_REG_AMICBCTL, 0, 0),
1029         SND_SOC_DAPM_MICBIAS("Main Mic Bias",
1030                         TWL6040_REG_AMICBCTL, 4, 0),
1031         SND_SOC_DAPM_MICBIAS("Digital Mic1 Bias",
1032                         TWL6040_REG_DMICBCTL, 0, 0),
1033         SND_SOC_DAPM_MICBIAS("Digital Mic2 Bias",
1034                         TWL6040_REG_DMICBCTL, 4, 0),
1035
1036         /* DACs */
1037         SND_SOC_DAPM_DAC_E("HSDAC Left", "Headset Playback",
1038                         TWL6040_REG_HSLCTL, 0, 0,
1039                         twl6040_hs_dac_event,
1040                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1041         SND_SOC_DAPM_DAC_E("HSDAC Right", "Headset Playback",
1042                         TWL6040_REG_HSRCTL, 0, 0,
1043                         twl6040_hs_dac_event,
1044                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1045         SND_SOC_DAPM_DAC_E("HFDAC Left", "Handsfree Playback",
1046                         TWL6040_REG_HFLCTL, 0, 0,
1047                         twl6040_power_mode_event,
1048                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1049         SND_SOC_DAPM_DAC_E("HFDAC Right", "Handsfree Playback",
1050                         TWL6040_REG_HFRCTL, 0, 0,
1051                         twl6040_power_mode_event,
1052                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1053
1054         SND_SOC_DAPM_MUX("HF Left Playback",
1055                         SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
1056         SND_SOC_DAPM_MUX("HF Right Playback",
1057                         SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
1058         /* Analog playback Muxes */
1059         SND_SOC_DAPM_MUX("HS Left Playback",
1060                         SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
1061         SND_SOC_DAPM_MUX("HS Right Playback",
1062                         SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
1063
1064         /* Analog playback drivers */
1065         SND_SOC_DAPM_OUT_DRV_E("Handsfree Left Driver",
1066                         TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
1067                         pga_event,
1068                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1069         SND_SOC_DAPM_OUT_DRV_E("Handsfree Right Driver",
1070                         TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
1071                         pga_event,
1072                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1073         SND_SOC_DAPM_OUT_DRV_E("Headset Left Driver",
1074                         TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
1075                         pga_event,
1076                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1077         SND_SOC_DAPM_OUT_DRV_E("Headset Right Driver",
1078                         TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
1079                         pga_event,
1080                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1081         SND_SOC_DAPM_SWITCH_E("Earphone Driver",
1082                         SND_SOC_NOPM, 0, 0, &ep_driver_switch_controls,
1083                         twl6040_power_mode_event,
1084                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1085
1086         /* Analog playback PGAs */
1087         SND_SOC_DAPM_PGA("HFDAC Left PGA",
1088                         TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
1089         SND_SOC_DAPM_PGA("HFDAC Right PGA",
1090                         TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
1091
1092 };
1093
1094 static const struct snd_soc_dapm_route intercon[] = {
1095         /* Capture path */
1096         {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
1097         {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
1098         {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
1099
1100         {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
1101         {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
1102         {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
1103
1104         {"MicAmpL", NULL, "Analog Left Capture Route"},
1105         {"MicAmpR", NULL, "Analog Right Capture Route"},
1106
1107         {"ADC Left", NULL, "MicAmpL"},
1108         {"ADC Right", NULL, "MicAmpR"},
1109
1110         /* AFM path */
1111         {"AFMAmpL", "NULL", "AFML"},
1112         {"AFMAmpR", "NULL", "AFMR"},
1113
1114         {"HS Left Playback", "HS DAC", "HSDAC Left"},
1115         {"HS Left Playback", "Line-In amp", "AFMAmpL"},
1116
1117         {"HS Right Playback", "HS DAC", "HSDAC Right"},
1118         {"HS Right Playback", "Line-In amp", "AFMAmpR"},
1119
1120         {"Headset Left Driver", "NULL", "HS Left Playback"},
1121         {"Headset Right Driver", "NULL", "HS Right Playback"},
1122
1123         {"HSOL", NULL, "Headset Left Driver"},
1124         {"HSOR", NULL, "Headset Right Driver"},
1125
1126         /* Earphone playback path */
1127         {"Earphone Driver", "Switch", "HSDAC Left"},
1128         {"EP", NULL, "Earphone Driver"},
1129
1130         {"HF Left Playback", "HF DAC", "HFDAC Left"},
1131         {"HF Left Playback", "Line-In amp", "AFMAmpL"},
1132
1133         {"HF Right Playback", "HF DAC", "HFDAC Right"},
1134         {"HF Right Playback", "Line-In amp", "AFMAmpR"},
1135
1136         {"HFDAC Left PGA", NULL, "HF Left Playback"},
1137         {"HFDAC Right PGA", NULL, "HF Right Playback"},
1138
1139         {"Handsfree Left Driver", "Switch", "HFDAC Left PGA"},
1140         {"Handsfree Right Driver", "Switch", "HFDAC Right PGA"},
1141
1142         {"HFL", NULL, "Handsfree Left Driver"},
1143         {"HFR", NULL, "Handsfree Right Driver"},
1144 };
1145
1146 static int twl6040_add_widgets(struct snd_soc_codec *codec)
1147 {
1148         struct snd_soc_dapm_context *dapm = &codec->dapm;
1149
1150         snd_soc_dapm_new_controls(dapm, twl6040_dapm_widgets,
1151                                  ARRAY_SIZE(twl6040_dapm_widgets));
1152         snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
1153         snd_soc_dapm_new_widgets(dapm);
1154
1155         return 0;
1156 }
1157
1158 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
1159                                 enum snd_soc_bias_level level)
1160 {
1161         struct twl6040 *twl6040 = codec->control_data;
1162         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1163         int ret;
1164
1165         switch (level) {
1166         case SND_SOC_BIAS_ON:
1167                 break;
1168         case SND_SOC_BIAS_PREPARE:
1169                 break;
1170         case SND_SOC_BIAS_STANDBY:
1171                 if (priv->codec_powered)
1172                         break;
1173
1174                 ret = twl6040_power(twl6040, 1);
1175                 if (ret)
1176                         return ret;
1177
1178                 priv->codec_powered = 1;
1179
1180                 /* initialize vdd/vss registers with reg_cache */
1181                 twl6040_init_vdd_regs(codec);
1182
1183                 /* Set external boost GPO */
1184                 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
1185                 break;
1186         case SND_SOC_BIAS_OFF:
1187                 if (!priv->codec_powered)
1188                         break;
1189
1190                 twl6040_power(twl6040, 0);
1191                 priv->codec_powered = 0;
1192                 break;
1193         }
1194
1195         /* get PLL and sysclk after power transition */
1196         priv->pll = twl6040_get_pll(twl6040);
1197         priv->sysclk = twl6040_get_sysclk(twl6040);
1198         codec->dapm.bias_level = level;
1199
1200         return 0;
1201 }
1202
1203 /* set of rates for each pll: low-power and high-performance */
1204
1205 static unsigned int lp_rates[] = {
1206         88200,
1207         96000,
1208 };
1209
1210 static struct snd_pcm_hw_constraint_list lp_constraints = {
1211         .count  = ARRAY_SIZE(lp_rates),
1212         .list   = lp_rates,
1213 };
1214
1215 static unsigned int hp_rates[] = {
1216         96000,
1217 };
1218
1219 static struct snd_pcm_hw_constraint_list hp_constraints = {
1220         .count  = ARRAY_SIZE(hp_rates),
1221         .list   = hp_rates,
1222 };
1223
1224 static int twl6040_startup(struct snd_pcm_substream *substream,
1225                         struct snd_soc_dai *dai)
1226 {
1227         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1228         struct snd_soc_codec *codec = rtd->codec;
1229         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1230
1231         snd_pcm_hw_constraint_list(substream->runtime, 0,
1232                                 SNDRV_PCM_HW_PARAM_RATE,
1233                                 priv->sysclk_constraints);
1234
1235         return 0;
1236 }
1237
1238 static int twl6040_hw_params(struct snd_pcm_substream *substream,
1239                         struct snd_pcm_hw_params *params,
1240                         struct snd_soc_dai *dai)
1241 {
1242         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1243         struct snd_soc_codec *codec = rtd->codec;
1244         struct twl6040 *twl6040 = codec->control_data;
1245         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1246         unsigned int sysclk;
1247         int rate, ret;
1248
1249         /* nothing to do for high-perf pll, it supports only 48 kHz */
1250         if (priv->pll == TWL6040_HPPLL_ID)
1251                 return 0;
1252
1253         rate = params_rate(params);
1254         switch (rate) {
1255         case 11250:
1256         case 22500:
1257         case 44100:
1258         case 88200:
1259                 sysclk = 17640000;
1260                 break;
1261         case 8000:
1262         case 16000:
1263         case 32000:
1264         case 48000:
1265         case 96000:
1266                 sysclk = 19200000;
1267                 break;
1268         default:
1269                 dev_err(codec->dev, "unsupported rate %d\n", rate);
1270                 return -EINVAL;
1271         }
1272
1273         ret = twl6040_set_pll(twl6040, TWL6040_LPPLL_ID, priv->clk_in, sysclk);
1274         if (ret)
1275                 return ret;
1276
1277         priv->sysclk = twl6040_get_sysclk(twl6040);
1278
1279         return 0;
1280 }
1281
1282 static int twl6040_prepare(struct snd_pcm_substream *substream,
1283                         struct snd_soc_dai *dai)
1284 {
1285         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1286         struct snd_soc_codec *codec = rtd->codec;
1287         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1288
1289         if (!priv->sysclk) {
1290                 dev_err(codec->dev,
1291                         "no mclk configured, call set_sysclk() on init\n");
1292                 return -EINVAL;
1293         }
1294
1295         /*
1296          * capture is not supported at 17.64 MHz,
1297          * it's reserved for headset low-power playback scenario
1298          */
1299         if ((priv->sysclk == 17640000) &&
1300                         substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
1301                 dev_err(codec->dev,
1302                         "capture mode is not supported at %dHz\n",
1303                         priv->sysclk);
1304                 return -EINVAL;
1305         }
1306
1307         if ((priv->sysclk == 17640000) && priv->non_lp) {
1308                         dev_err(codec->dev,
1309                                 "some enabled paths aren't supported at %dHz\n",
1310                                 priv->sysclk);
1311                         return -EPERM;
1312         }
1313         return 0;
1314 }
1315
1316 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1317                 int clk_id, unsigned int freq, int dir)
1318 {
1319         struct snd_soc_codec *codec = codec_dai->codec;
1320         struct twl6040 *twl6040 = codec->control_data;
1321         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1322         int ret = 0;
1323
1324         switch (clk_id) {
1325         case TWL6040_SYSCLK_SEL_LPPLL:
1326                 ret = twl6040_set_pll(twl6040, TWL6040_LPPLL_ID,
1327                                       freq, priv->sysclk);
1328                 if (ret)
1329                         return ret;
1330
1331                 headset_power_mode(codec, 0);
1332                 priv->sysclk_constraints = &lp_constraints;
1333                 break;
1334         case TWL6040_SYSCLK_SEL_HPPLL:
1335                 ret = twl6040_set_pll(twl6040, TWL6040_HPPLL_ID,
1336                                       freq, priv->sysclk);
1337                 if (ret)
1338                         return ret;
1339
1340                 headset_power_mode(codec, 1);
1341                 priv->sysclk_constraints = &hp_constraints;
1342                 break;
1343         default:
1344                 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1345                 return -EINVAL;
1346         }
1347
1348         priv->pll = twl6040_get_pll(twl6040);
1349         priv->clk_in = freq;
1350         priv->sysclk = twl6040_get_sysclk(twl6040);
1351
1352         return 0;
1353 }
1354
1355 static struct snd_soc_dai_ops twl6040_dai_ops = {
1356         .startup        = twl6040_startup,
1357         .hw_params      = twl6040_hw_params,
1358         .prepare        = twl6040_prepare,
1359         .set_sysclk     = twl6040_set_dai_sysclk,
1360 };
1361
1362 static struct snd_soc_dai_driver twl6040_dai = {
1363         .name = "twl6040-hifi",
1364         .playback = {
1365                 .stream_name = "Playback",
1366                 .channels_min = 1,
1367                 .channels_max = 4,
1368                 .rates = TWL6040_RATES,
1369                 .formats = TWL6040_FORMATS,
1370         },
1371         .capture = {
1372                 .stream_name = "Capture",
1373                 .channels_min = 1,
1374                 .channels_max = 2,
1375                 .rates = TWL6040_RATES,
1376                 .formats = TWL6040_FORMATS,
1377         },
1378         .ops = &twl6040_dai_ops,
1379 };
1380
1381 #ifdef CONFIG_PM
1382 static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state)
1383 {
1384         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1385
1386         return 0;
1387 }
1388
1389 static int twl6040_resume(struct snd_soc_codec *codec)
1390 {
1391         twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1392         twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
1393
1394         return 0;
1395 }
1396 #else
1397 #define twl6040_suspend NULL
1398 #define twl6040_resume NULL
1399 #endif
1400
1401 static int twl6040_probe(struct snd_soc_codec *codec)
1402 {
1403         struct twl6040_data *priv;
1404         int ret = 0;
1405
1406         priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
1407         if (priv == NULL)
1408                 return -ENOMEM;
1409         snd_soc_codec_set_drvdata(codec, priv);
1410
1411         priv->codec = codec;
1412         codec->control_data = dev_get_drvdata(codec->dev->parent);
1413
1414         priv->workqueue = create_singlethread_workqueue("twl6040-codec");
1415         if (!priv->workqueue) {
1416                 ret = -ENOMEM;
1417                 goto work_err;
1418         }
1419
1420         INIT_DELAYED_WORK(&priv->delayed_work, twl6040_accessory_work);
1421
1422         mutex_init(&priv->mutex);
1423
1424         init_completion(&priv->headset.ramp_done);
1425         init_completion(&priv->handsfree.ramp_done);
1426
1427         priv->hf_workqueue = create_singlethread_workqueue("twl6040-hf");
1428         if (priv->hf_workqueue == NULL) {
1429                 ret = -ENOMEM;
1430                 goto hfwq_err;
1431         }
1432         priv->hs_workqueue = create_singlethread_workqueue("twl6040-hs");
1433         if (priv->hs_workqueue == NULL) {
1434                 ret = -ENOMEM;
1435                 goto hswq_err;
1436         }
1437
1438         INIT_DELAYED_WORK(&priv->hs_delayed_work, twl6040_pga_hs_work);
1439         INIT_DELAYED_WORK(&priv->hf_delayed_work, twl6040_pga_hf_work);
1440
1441         ret = twl6040_request_irq(codec->control_data, TWL6040_IRQ_PLUG,
1442                                   twl6040_audio_handler, 0,
1443                                   "twl6040_irq_plug", codec);
1444         if (ret) {
1445                 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1446                 goto plugirq_err;
1447         }
1448
1449         /* init vio registers */
1450         twl6040_init_vio_regs(codec);
1451
1452         /* power on device */
1453         ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1454         if (ret)
1455                 goto bias_err;
1456
1457         snd_soc_add_controls(codec, twl6040_snd_controls,
1458                                 ARRAY_SIZE(twl6040_snd_controls));
1459         twl6040_add_widgets(codec);
1460
1461         return 0;
1462
1463 bias_err:
1464         twl6040_free_irq(codec->control_data, TWL6040_IRQ_PLUG, codec);
1465 plugirq_err:
1466         destroy_workqueue(priv->hs_workqueue);
1467 hswq_err:
1468         destroy_workqueue(priv->hf_workqueue);
1469 hfwq_err:
1470         destroy_workqueue(priv->workqueue);
1471 work_err:
1472         kfree(priv);
1473         return ret;
1474 }
1475
1476 static int twl6040_remove(struct snd_soc_codec *codec)
1477 {
1478         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1479
1480         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1481         twl6040_free_irq(codec->control_data, TWL6040_IRQ_PLUG, codec);
1482         destroy_workqueue(priv->workqueue);
1483         destroy_workqueue(priv->hf_workqueue);
1484         destroy_workqueue(priv->hs_workqueue);
1485         kfree(priv);
1486
1487         return 0;
1488 }
1489
1490 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1491         .probe = twl6040_probe,
1492         .remove = twl6040_remove,
1493         .suspend = twl6040_suspend,
1494         .resume = twl6040_resume,
1495         .read = twl6040_read_reg_cache,
1496         .write = twl6040_write,
1497         .set_bias_level = twl6040_set_bias_level,
1498         .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1499         .reg_word_size = sizeof(u8),
1500         .reg_cache_default = twl6040_reg,
1501 };
1502
1503 static int __devinit twl6040_codec_probe(struct platform_device *pdev)
1504 {
1505         return snd_soc_register_codec(&pdev->dev,
1506                         &soc_codec_dev_twl6040, &twl6040_dai, 1);
1507 }
1508
1509 static int __devexit twl6040_codec_remove(struct platform_device *pdev)
1510 {
1511         snd_soc_unregister_codec(&pdev->dev);
1512         return 0;
1513 }
1514
1515 static struct platform_driver twl6040_codec_driver = {
1516         .driver = {
1517                 .name = "twl6040-codec",
1518                 .owner = THIS_MODULE,
1519         },
1520         .probe = twl6040_codec_probe,
1521         .remove = __devexit_p(twl6040_codec_remove),
1522 };
1523
1524 static int __init twl6040_codec_init(void)
1525 {
1526         return platform_driver_register(&twl6040_codec_driver);
1527 }
1528 module_init(twl6040_codec_init);
1529
1530 static void __exit twl6040_codec_exit(void)
1531 {
1532         platform_driver_unregister(&twl6040_codec_driver);
1533 }
1534 module_exit(twl6040_codec_exit);
1535
1536 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1537 MODULE_AUTHOR("Misael Lopez Cruz");
1538 MODULE_LICENSE("GPL");