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 /* Shadow register used by the driver */
  61 #define TWL6040_REG_SW_SHADOW   0x2F
  62 #define TWL6040_CACHEREGNUM     (TWL6040_REG_SW_SHADOW + 1)
  63
  64 /* TWL6040_REG_SW_SHADOW (0x2F) fields */
  65 #define TWL6040_EAR_PATH_ENABLE 0x01
  66
  67 struct twl6040_output {
  68         u16 active;
  69         u16 left_vol;
  70         u16 right_vol;
  71         u16 left_step;
  72         u16 right_step;
  73         unsigned int step_delay;
  74         u16 ramp;
  75         struct delayed_work work;
  76         struct completion ramp_done;
  77 };
  78
  79 struct twl6040_jack_data {
  80         struct snd_soc_jack *jack;
  81         struct delayed_work work;
  82         int report;
  83 };
  84
  85 /* codec private data */
  86 struct twl6040_data {
  87         int plug_irq;
  88         int codec_powered;
  89         int pll;
  90         int non_lp;
  91         int pll_power_mode;
  92         int hs_power_mode;
  93         int hs_power_mode_locked;
  94         unsigned int clk_in;
  95         unsigned int sysclk;
  96         u16 hs_left_step;
  97         u16 hs_right_step;
  98         u16 hf_left_step;
  99         u16 hf_right_step;
 100         struct twl6040_jack_data hs_jack;
 101         struct snd_soc_codec *codec;
 102         struct workqueue_struct *workqueue;
 103         struct mutex mutex;
 104         struct twl6040_output headset;
 105         struct twl6040_output handsfree;
 106 };
 107
 108 /*
 109  * twl6040 register cache & default register settings
 110  */
 111 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
 112         0x00, /* not used       0x00    */
 113         0x4B, /* REG_ASICID     0x01 (ro) */
 114         0x00, /* REG_ASICREV    0x02 (ro) */
 115         0x00, /* REG_INTID      0x03    */
 116         0x00, /* REG_INTMR      0x04    */
 117         0x00, /* REG_NCPCTRL    0x05    */
 118         0x00, /* REG_LDOCTL     0x06    */
 119         0x60, /* REG_HPPLLCTL   0x07    */
 120         0x00, /* REG_LPPLLCTL   0x08    */
 121         0x4A, /* REG_LPPLLDIV   0x09    */
 122         0x00, /* REG_AMICBCTL   0x0A    */
 123         0x00, /* REG_DMICBCTL   0x0B    */
 124         0x00, /* REG_MICLCTL    0x0C    */
 125         0x00, /* REG_MICRCTL    0x0D    */
 126         0x00, /* REG_MICGAIN    0x0E    */
 127         0x1B, /* REG_LINEGAIN   0x0F    */
 128         0x00, /* REG_HSLCTL     0x10    */
 129         0x00, /* REG_HSRCTL     0x11    */
 130         0x00, /* REG_HSGAIN     0x12    */
 131         0x00, /* REG_EARCTL     0x13    */
 132         0x00, /* REG_HFLCTL     0x14    */
 133         0x00, /* REG_HFLGAIN    0x15    */
 134         0x00, /* REG_HFRCTL     0x16    */
 135         0x00, /* REG_HFRGAIN    0x17    */
 136         0x00, /* REG_VIBCTLL    0x18    */
 137         0x00, /* REG_VIBDATL    0x19    */
 138         0x00, /* REG_VIBCTLR    0x1A    */
 139         0x00, /* REG_VIBDATR    0x1B    */
 140         0x00, /* REG_HKCTL1     0x1C    */
 141         0x00, /* REG_HKCTL2     0x1D    */
 142         0x00, /* REG_GPOCTL     0x1E    */
 143         0x00, /* REG_ALB        0x1F    */
 144         0x00, /* REG_DLB        0x20    */
 145         0x00, /* not used       0x21    */
 146         0x00, /* not used       0x22    */
 147         0x00, /* not used       0x23    */
 148         0x00, /* not used       0x24    */
 149         0x00, /* not used       0x25    */
 150         0x00, /* not used       0x26    */
 151         0x00, /* not used       0x27    */
 152         0x00, /* REG_TRIM1      0x28    */
 153         0x00, /* REG_TRIM2      0x29    */
 154         0x00, /* REG_TRIM3      0x2A    */
 155         0x00, /* REG_HSOTRIM    0x2B    */
 156         0x00, /* REG_HFOTRIM    0x2C    */
 157         0x09, /* REG_ACCCTL     0x2D    */
 158         0x00, /* REG_STATUS     0x2E (ro) */
 159
 160         0x00, /* REG_SW_SHADOW  0x2F - Shadow, non HW register */
 161 };
 162
 163 /* List of registers to be restored after power up */
 164 static const int twl6040_restore_list[] = {
 165         TWL6040_REG_MICLCTL,
 166         TWL6040_REG_MICRCTL,
 167         TWL6040_REG_MICGAIN,
 168         TWL6040_REG_LINEGAIN,
 169         TWL6040_REG_HSLCTL,
 170         TWL6040_REG_HSRCTL,
 171         TWL6040_REG_HSGAIN,
 172         TWL6040_REG_EARCTL,
 173         TWL6040_REG_HFLCTL,
 174         TWL6040_REG_HFLGAIN,
 175         TWL6040_REG_HFRCTL,
 176         TWL6040_REG_HFRGAIN,
 177 };
 178
 179 /* set of rates for each pll: low-power and high-performance */
 180 static unsigned int lp_rates[] = {
 181         8000,
 182         11250,
 183         16000,
 184         22500,
 185         32000,
 186         44100,
 187         48000,
 188         88200,
 189         96000,
 190 };
 191
 192 static unsigned int hp_rates[] = {
 193         8000,
 194         16000,
 195         32000,
 196         48000,
 197         96000,
 198 };
 199
 200 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
 201         { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
 202         { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
 203 };
 204
 205 /*
 206  * read twl6040 register cache
 207  */
 208 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
 209                                                 unsigned int reg)
 210 {
 211         u8 *cache = codec->reg_cache;
 212
 213         if (reg >= TWL6040_CACHEREGNUM)
 214                 return -EIO;
 215
 216         return cache[reg];
 217 }
 218
 219 /*
 220  * write twl6040 register cache
 221  */
 222 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
 223                                                 u8 reg, u8 value)
 224 {
 225         u8 *cache = codec->reg_cache;
 226
 227         if (reg >= TWL6040_CACHEREGNUM)
 228                 return;
 229         cache[reg] = value;
 230 }
 231
 232 /*
 233  * read from twl6040 hardware register
 234  */
 235 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
 236                         unsigned int reg)
 237 {
 238         struct twl6040 *twl6040 = codec->control_data;
 239         u8 value;
 240
 241         if (reg >= TWL6040_CACHEREGNUM)
 242                 return -EIO;
 243
 244         if (likely(reg < TWL6040_REG_SW_SHADOW)) {
 245                 value = twl6040_reg_read(twl6040, reg);
 246                 twl6040_write_reg_cache(codec, reg, value);
 247         } else {
 248                 value = twl6040_read_reg_cache(codec, reg);
 249         }
 250
 251         return value;
 252 }
 253
 254 /*
 255  * write to the twl6040 register space
 256  */
 257 static int twl6040_write(struct snd_soc_codec *codec,
 258                         unsigned int reg, unsigned int value)
 259 {
 260         struct twl6040 *twl6040 = codec->control_data;
 261
 262         if (reg >= TWL6040_CACHEREGNUM)
 263                 return -EIO;
 264
 265         twl6040_write_reg_cache(codec, reg, value);
 266         if (likely(reg < TWL6040_REG_SW_SHADOW))
 267                 return twl6040_reg_write(twl6040, reg, value);
 268         else
 269                 return 0;
 270 }
 271
 272 static void twl6040_init_chip(struct snd_soc_codec *codec)
 273 {
 274         struct twl6040 *twl6040 = codec->control_data;
 275         u8 val;
 276
 277         /* Update reg_cache: ASICREV, and TRIM values */
 278         val = twl6040_get_revid(twl6040);
 279         twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
 280
 281         twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1);
 282         twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2);
 283         twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3);
 284         twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM);
 285         twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM);
 286
 287         /* Change chip defaults */
 288         /* No imput selected for microphone amplifiers */
 289         twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
 290         twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
 291
 292         /*
 293          * We need to lower the default gain values, so the ramp code
 294          * can work correctly for the first playback.
 295          * This reduces the pop noise heard at the first playback.
 296          */
 297         twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff);
 298         twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e);
 299         twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d);
 300         twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d);
 301         twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0);
 302 }
 303
 304 static void twl6040_restore_regs(struct snd_soc_codec *codec)
 305 {
 306         u8 *cache = codec->reg_cache;
 307         int reg, i;
 308
 309         for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) {
 310                 reg = twl6040_restore_list[i];
 311                 twl6040_write(codec, reg, cache[reg]);
 312         }
 313 }
 314
 315 /*
 316  * Ramp HS PGA volume to minimise pops at stream startup and shutdown.
 317  */
 318 static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
 319                         unsigned int left_step, unsigned int right_step)
 320 {
 321
 322         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 323         struct twl6040_output *headset = &priv->headset;
 324         int left_complete = 0, right_complete = 0;
 325         u8 reg, val;
 326
 327         /* left channel */
 328         left_step = (left_step > 0xF) ? 0xF : left_step;
 329         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
 330         val = (~reg & TWL6040_HSL_VOL_MASK);
 331
 332         if (headset->ramp == TWL6040_RAMP_UP) {
 333                 /* ramp step up */
 334                 if (val < headset->left_vol) {
 335                         if (val + left_step > headset->left_vol)
 336                                 val = headset->left_vol;
 337                         else
 338                                 val += left_step;
 339
 340                         reg &= ~TWL6040_HSL_VOL_MASK;
 341                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 342                                         (reg | (~val & TWL6040_HSL_VOL_MASK)));
 343                 } else {
 344                         left_complete = 1;
 345                 }
 346         } else if (headset->ramp == TWL6040_RAMP_DOWN) {
 347                 /* ramp step down */
 348                 if (val > 0x0) {
 349                         if ((int)val - (int)left_step < 0)
 350                                 val = 0;
 351                         else
 352                                 val -= left_step;
 353
 354                         reg &= ~TWL6040_HSL_VOL_MASK;
 355                         twl6040_write(codec, TWL6040_REG_HSGAIN, reg |
 356                                                 (~val & TWL6040_HSL_VOL_MASK));
 357                 } else {
 358                         left_complete = 1;
 359                 }
 360         }
 361
 362         /* right channel */
 363         right_step = (right_step > 0xF) ? 0xF : right_step;
 364         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
 365         val = (~reg & TWL6040_HSR_VOL_MASK) >> TWL6040_HSR_VOL_SHIFT;
 366
 367         if (headset->ramp == TWL6040_RAMP_UP) {
 368                 /* ramp step up */
 369                 if (val < headset->right_vol) {
 370                         if (val + right_step > headset->right_vol)
 371                                 val = headset->right_vol;
 372                         else
 373                                 val += right_step;
 374
 375                         reg &= ~TWL6040_HSR_VOL_MASK;
 376                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 377                                 (reg | (~val << TWL6040_HSR_VOL_SHIFT)));
 378                 } else {
 379                         right_complete = 1;
 380                 }
 381         } else if (headset->ramp == TWL6040_RAMP_DOWN) {
 382                 /* ramp step down */
 383                 if (val > 0x0) {
 384                         if ((int)val - (int)right_step < 0)
 385                                 val = 0;
 386                         else
 387                                 val -= right_step;
 388
 389                         reg &= ~TWL6040_HSR_VOL_MASK;
 390                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 391                                          reg | (~val << TWL6040_HSR_VOL_SHIFT));
 392                 } else {
 393                         right_complete = 1;
 394                 }
 395         }
 396
 397         return left_complete & right_complete;
 398 }
 399
 400 /*
 401  * Ramp HF PGA volume to minimise pops at stream startup and shutdown.
 402  */
 403 static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
 404                         unsigned int left_step, unsigned int right_step)
 405 {
 406         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 407         struct twl6040_output *handsfree = &priv->handsfree;
 408         int left_complete = 0, right_complete = 0;
 409         u16 reg, val;
 410
 411         /* left channel */
 412         left_step = (left_step > 0x1D) ? 0x1D : left_step;
 413         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFLGAIN);
 414         reg = 0x1D - reg;
 415         val = (reg & TWL6040_HF_VOL_MASK);
 416         if (handsfree->ramp == TWL6040_RAMP_UP) {
 417                 /* ramp step up */
 418                 if (val < handsfree->left_vol) {
 419                         if (val + left_step > handsfree->left_vol)
 420                                 val = handsfree->left_vol;
 421                         else
 422                                 val += left_step;
 423
 424                         reg &= ~TWL6040_HF_VOL_MASK;
 425                         twl6040_write(codec, TWL6040_REG_HFLGAIN,
 426                                                 reg | (0x1D - val));
 427                 } else {
 428                         left_complete = 1;
 429                 }
 430         } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 431                 /* ramp step down */
 432                 if (val > 0) {
 433                         if ((int)val - (int)left_step < 0)
 434                                 val = 0;
 435                         else
 436                                 val -= left_step;
 437
 438                         reg &= ~TWL6040_HF_VOL_MASK;
 439                         twl6040_write(codec, TWL6040_REG_HFLGAIN,
 440                                                 reg | (0x1D - val));
 441                 } else {
 442                         left_complete = 1;
 443                 }
 444         }
 445
 446         /* right channel */
 447         right_step = (right_step > 0x1D) ? 0x1D : right_step;
 448         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFRGAIN);
 449         reg = 0x1D - reg;
 450         val = (reg & TWL6040_HF_VOL_MASK);
 451         if (handsfree->ramp == TWL6040_RAMP_UP) {
 452                 /* ramp step up */
 453                 if (val < handsfree->right_vol) {
 454                         if (val + right_step > handsfree->right_vol)
 455                                 val = handsfree->right_vol;
 456                         else
 457                                 val += right_step;
 458
 459                         reg &= ~TWL6040_HF_VOL_MASK;
 460                         twl6040_write(codec, TWL6040_REG_HFRGAIN,
 461                                                 reg | (0x1D - val));
 462                 } else {
 463                         right_complete = 1;
 464                 }
 465         } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 466                 /* ramp step down */
 467                 if (val > 0) {
 468                         if ((int)val - (int)right_step < 0)
 469                                 val = 0;
 470                         else
 471                                 val -= right_step;
 472
 473                         reg &= ~TWL6040_HF_VOL_MASK;
 474                         twl6040_write(codec, TWL6040_REG_HFRGAIN,
 475                                                 reg | (0x1D - val));
 476                 }
 477         }
 478
 479         return left_complete & right_complete;
 480 }
 481
 482 /*
 483  * This work ramps both output PGAs at stream start/stop time to
 484  * minimise pop associated with DAPM power switching.
 485  */
 486 static void twl6040_pga_hs_work(struct work_struct *work)
 487 {
 488         struct twl6040_data *priv =
 489                 container_of(work, struct twl6040_data, headset.work.work);
 490         struct snd_soc_codec *codec = priv->codec;
 491         struct twl6040_output *headset = &priv->headset;
 492         int i, headset_complete;
 493
 494         /* do we need to ramp at all ? */
 495         if (headset->ramp == TWL6040_RAMP_NONE)
 496                 return;
 497
 498         /* HS PGA gain range: 0x0 - 0xf (0 - 15) */
 499         for (i = 0; i < 16; i++) {
 500                 headset_complete = twl6040_hs_ramp_step(codec,
 501                                                 headset->left_step,
 502                                                 headset->right_step);
 503
 504                 /* ramp finished ? */
 505                 if (headset_complete)
 506                         break;
 507
 508                 schedule_timeout_interruptible(
 509                                 msecs_to_jiffies(headset->step_delay));
 510         }
 511
 512         if (headset->ramp == TWL6040_RAMP_DOWN) {
 513                 headset->active = 0;
 514                 complete(&headset->ramp_done);
 515         } else {
 516                 headset->active = 1;
 517         }
 518         headset->ramp = TWL6040_RAMP_NONE;
 519 }
 520
 521 static void twl6040_pga_hf_work(struct work_struct *work)
 522 {
 523         struct twl6040_data *priv =
 524                 container_of(work, struct twl6040_data, handsfree.work.work);
 525         struct snd_soc_codec *codec = priv->codec;
 526         struct twl6040_output *handsfree = &priv->handsfree;
 527         int i, handsfree_complete;
 528
 529         /* do we need to ramp at all ? */
 530         if (handsfree->ramp == TWL6040_RAMP_NONE)
 531                 return;
 532
 533         /*
 534          * HF PGA gain range: 0x00 - 0x1d (0 - 29) */
 535         for (i = 0; i < 30; i++) {
 536                 handsfree_complete = twl6040_hf_ramp_step(codec,
 537                                                 handsfree->left_step,
 538                                                 handsfree->right_step);
 539
 540                 /* ramp finished ? */
 541                 if (handsfree_complete)
 542                         break;
 543
 544                 schedule_timeout_interruptible(
 545                                 msecs_to_jiffies(handsfree->step_delay));
 546         }
 547
 548
 549         if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 550                 handsfree->active = 0;
 551                 complete(&handsfree->ramp_done);
 552         } else
 553                 handsfree->active = 1;
 554         handsfree->ramp = TWL6040_RAMP_NONE;
 555 }
 556
 557 static int out_drv_event(struct snd_soc_dapm_widget *w,
 558                         struct snd_kcontrol *kcontrol, int event)
 559 {
 560         struct snd_soc_codec *codec = w->codec;
 561         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 562         struct twl6040_output *out;
 563         struct delayed_work *work;
 564
 565         switch (w->shift) {
 566         case 2: /* Headset output driver */
 567                 out = &priv->headset;
 568                 work = &out->work;
 569                 /*
 570                  * Make sure, that we do not mess up variables for already
 571                  * executing work.
 572                  */
 573                 cancel_delayed_work_sync(work);
 574
 575                 out->left_step = priv->hs_left_step;
 576                 out->right_step = priv->hs_right_step;
 577                 out->step_delay = 5;    /* 5 ms between volume ramp steps */
 578                 break;
 579         case 4: /* Handsfree output driver */
 580                 out = &priv->handsfree;
 581                 work = &out->work;
 582                 /*
 583                  * Make sure, that we do not mess up variables for already
 584                  * executing work.
 585                  */
 586                 cancel_delayed_work_sync(work);
 587
 588                 out->left_step = priv->hf_left_step;
 589                 out->right_step = priv->hf_right_step;
 590                 out->step_delay = 5;    /* 5 ms between volume ramp steps */
 591                 if (SND_SOC_DAPM_EVENT_ON(event))
 592                         priv->non_lp++;
 593                 else
 594                         priv->non_lp--;
 595                 break;
 596         default:
 597                 return -1;
 598         }
 599
 600         switch (event) {
 601         case SND_SOC_DAPM_POST_PMU:
 602                 if (out->active)
 603                         break;
 604
 605                 /* don't use volume ramp for power-up */
 606                 out->ramp = TWL6040_RAMP_UP;
 607                 out->left_step = out->left_vol;
 608                 out->right_step = out->right_vol;
 609
 610                 queue_delayed_work(priv->workqueue, work, msecs_to_jiffies(1));
 611                 break;
 612
 613         case SND_SOC_DAPM_PRE_PMD:
 614                 if (!out->active)
 615                         break;
 616
 617                 /* use volume ramp for power-down */
 618                 out->ramp = TWL6040_RAMP_DOWN;
 619                 INIT_COMPLETION(out->ramp_done);
 620
 621                 queue_delayed_work(priv->workqueue, work, msecs_to_jiffies(1));
 622
 623                 wait_for_completion_timeout(&out->ramp_done,
 624                                             msecs_to_jiffies(2000));
 625                 break;
 626         }
 627
 628         return 0;
 629 }
 630
 631 /* set headset dac and driver power mode */
 632 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
 633 {
 634         int hslctl, hsrctl;
 635         int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
 636
 637         hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
 638         hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
 639
 640         if (high_perf) {
 641                 hslctl &= ~mask;
 642                 hsrctl &= ~mask;
 643         } else {
 644                 hslctl |= mask;
 645                 hsrctl |= mask;
 646         }
 647
 648         twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
 649         twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
 650
 651         return 0;
 652 }
 653
 654 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
 655                         struct snd_kcontrol *kcontrol, int event)
 656 {
 657         msleep(1);
 658         return 0;
 659 }
 660
 661 static int twl6040_power_mode_event(struct snd_soc_dapm_widget *w,
 662                         struct snd_kcontrol *kcontrol, int event)
 663 {
 664         struct snd_soc_codec *codec = w->codec;
 665         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 666         int ret = 0;
 667
 668         if (SND_SOC_DAPM_EVENT_ON(event)) {
 669                 priv->non_lp++;
 670                 if (!strcmp(w->name, "Earphone Driver")) {
 671                         /* Earphone doesn't support low power mode */
 672                         priv->hs_power_mode_locked = 1;
 673                         ret = headset_power_mode(codec, 1);
 674                 }
 675         } else {
 676                 priv->non_lp--;
 677                 if (!strcmp(w->name, "Earphone Driver")) {
 678                         priv->hs_power_mode_locked = 0;
 679                         ret = headset_power_mode(codec, priv->hs_power_mode);
 680                 }
 681         }
 682
 683         msleep(1);
 684
 685         return ret;
 686 }
 687
 688 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
 689                                    struct snd_soc_jack *jack, int report)
 690 {
 691         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 692         int status;
 693
 694         mutex_lock(&priv->mutex);
 695
 696         /* Sync status */
 697         status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
 698         if (status & TWL6040_PLUGCOMP)
 699                 snd_soc_jack_report(jack, report, report);
 700         else
 701                 snd_soc_jack_report(jack, 0, report);
 702
 703         mutex_unlock(&priv->mutex);
 704 }
 705
 706 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
 707                                 struct snd_soc_jack *jack, int report)
 708 {
 709         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 710         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 711
 712         hs_jack->jack = jack;
 713         hs_jack->report = report;
 714
 715         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 716 }
 717 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
 718
 719 static void twl6040_accessory_work(struct work_struct *work)
 720 {
 721         struct twl6040_data *priv = container_of(work,
 722                                         struct twl6040_data, hs_jack.work.work);
 723         struct snd_soc_codec *codec = priv->codec;
 724         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 725
 726         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 727 }
 728
 729 /* audio interrupt handler */
 730 static irqreturn_t twl6040_audio_handler(int irq, void *data)
 731 {
 732         struct snd_soc_codec *codec = data;
 733         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 734
 735         queue_delayed_work(priv->workqueue, &priv->hs_jack.work,
 736                            msecs_to_jiffies(200));
 737
 738         return IRQ_HANDLED;
 739 }
 740
 741 static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
 742                                   struct snd_ctl_elem_value *ucontrol)
 743 {
 744         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 745         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 746         struct twl6040_output *out = NULL;
 747         struct soc_mixer_control *mc =
 748                 (struct soc_mixer_control *)kcontrol->private_value;
 749         int ret;
 750
 751         /* For HS and HF we shadow the values and only actually write
 752          * them out when active in order to ensure the amplifier comes on
 753          * as quietly as possible. */
 754         switch (mc->reg) {
 755         case TWL6040_REG_HSGAIN:
 756                 out = &twl6040_priv->headset;
 757                 break;
 758         case TWL6040_REG_HFLGAIN:
 759                 out = &twl6040_priv->handsfree;
 760                 break;
 761         default:
 762                 dev_warn(codec->dev, "%s: Unexpected register: 0x%02x\n",
 763                                         __func__, mc->reg);
 764                 return -EINVAL;
 765         }
 766
 767         out->left_vol = ucontrol->value.integer.value[0];
 768         out->right_vol = ucontrol->value.integer.value[1];
 769         if (!out->active)
 770                 return 1;
 771
 772         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 773         if (ret < 0)
 774                 return ret;
 775
 776         return 1;
 777 }
 778
 779 static int twl6040_get_volsw(struct snd_kcontrol *kcontrol,
 780                                 struct snd_ctl_elem_value *ucontrol)
 781 {
 782         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 783         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 784         struct twl6040_output *out = &twl6040_priv->headset;
 785         struct soc_mixer_control *mc =
 786                 (struct soc_mixer_control *)kcontrol->private_value;
 787
 788         switch (mc->reg) {
 789         case TWL6040_REG_HSGAIN:
 790                 out = &twl6040_priv->headset;
 791                 break;
 792         case TWL6040_REG_HFLGAIN:
 793                 out = &twl6040_priv->handsfree;
 794                 break;
 795         default:
 796                 dev_warn(codec->dev, "%s: Unexpected register: 0x%02x\n",
 797                                         __func__, mc->reg);
 798                 return -EINVAL;
 799         }
 800
 801         ucontrol->value.integer.value[0] = out->left_vol;
 802         ucontrol->value.integer.value[1] = out->right_vol;
 803         return 0;
 804 }
 805
 806 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
 807         struct snd_ctl_elem_value *ucontrol)
 808 {
 809         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 810         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 811         struct snd_soc_codec *codec = widget->codec;
 812         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 813         unsigned int val;
 814
 815         /* Do not allow changes while Input/FF efect is running */
 816         val = twl6040_read_reg_volatile(codec, e->reg);
 817         if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
 818                 return -EBUSY;
 819
 820         return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
 821 }
 822
 823 /*
 824  * MICATT volume control:
 825  * from -6 to 0 dB in 6 dB steps
 826  */
 827 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
 828
 829 /*
 830  * MICGAIN volume control:
 831  * from 6 to 30 dB in 6 dB steps
 832  */
 833 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
 834
 835 /*
 836  * AFMGAIN volume control:
 837  * from -18 to 24 dB in 6 dB steps
 838  */
 839 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
 840
 841 /*
 842  * HSGAIN volume control:
 843  * from -30 to 0 dB in 2 dB steps
 844  */
 845 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
 846
 847 /*
 848  * HFGAIN volume control:
 849  * from -52 to 6 dB in 2 dB steps
 850  */
 851 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
 852
 853 /*
 854  * EPGAIN volume control:
 855  * from -24 to 6 dB in 2 dB steps
 856  */
 857 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
 858
 859 /* Left analog microphone selection */
 860 static const char *twl6040_amicl_texts[] =
 861         {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
 862
 863 /* Right analog microphone selection */
 864 static const char *twl6040_amicr_texts[] =
 865         {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
 866
 867 static const struct soc_enum twl6040_enum[] = {
 868         SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
 869         SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
 870 };
 871
 872 static const char *twl6040_hs_texts[] = {
 873         "Off", "HS DAC", "Line-In amp"
 874 };
 875
 876 static const struct soc_enum twl6040_hs_enum[] = {
 877         SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 878                         twl6040_hs_texts),
 879         SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 880                         twl6040_hs_texts),
 881 };
 882
 883 static const char *twl6040_hf_texts[] = {
 884         "Off", "HF DAC", "Line-In amp"
 885 };
 886
 887 static const struct soc_enum twl6040_hf_enum[] = {
 888         SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 889                         twl6040_hf_texts),
 890         SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 891                         twl6040_hf_texts),
 892 };
 893
 894 static const char *twl6040_vibrapath_texts[] = {
 895         "Input FF", "Audio PDM"
 896 };
 897
 898 static const struct soc_enum twl6040_vibra_enum[] = {
 899         SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
 900                         ARRAY_SIZE(twl6040_vibrapath_texts),
 901                         twl6040_vibrapath_texts),
 902         SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
 903                         ARRAY_SIZE(twl6040_vibrapath_texts),
 904                         twl6040_vibrapath_texts),
 905 };
 906
 907 static const struct snd_kcontrol_new amicl_control =
 908         SOC_DAPM_ENUM("Route", twl6040_enum[0]);
 909
 910 static const struct snd_kcontrol_new amicr_control =
 911         SOC_DAPM_ENUM("Route", twl6040_enum[1]);
 912
 913 /* Headset DAC playback switches */
 914 static const struct snd_kcontrol_new hsl_mux_controls =
 915         SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
 916
 917 static const struct snd_kcontrol_new hsr_mux_controls =
 918         SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
 919
 920 /* Handsfree DAC playback switches */
 921 static const struct snd_kcontrol_new hfl_mux_controls =
 922         SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
 923
 924 static const struct snd_kcontrol_new hfr_mux_controls =
 925         SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
 926
 927 static const struct snd_kcontrol_new ep_path_enable_control =
 928         SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0);
 929
 930 static const struct snd_kcontrol_new auxl_switch_control =
 931         SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
 932
 933 static const struct snd_kcontrol_new auxr_switch_control =
 934         SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
 935
 936 /* Vibra playback switches */
 937 static const struct snd_kcontrol_new vibral_mux_controls =
 938         SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
 939                 snd_soc_dapm_get_enum_double,
 940                 twl6040_soc_dapm_put_vibra_enum);
 941
 942 static const struct snd_kcontrol_new vibrar_mux_controls =
 943         SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
 944                 snd_soc_dapm_get_enum_double,
 945                 twl6040_soc_dapm_put_vibra_enum);
 946
 947 /* Headset power mode */
 948 static const char *twl6040_power_mode_texts[] = {
 949         "Low-Power", "High-Perfomance",
 950 };
 951
 952 static const struct soc_enum twl6040_power_mode_enum =
 953         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
 954                         twl6040_power_mode_texts);
 955
 956 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
 957         struct snd_ctl_elem_value *ucontrol)
 958 {
 959         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 960         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 961
 962         ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
 963
 964         return 0;
 965 }
 966
 967 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
 968         struct snd_ctl_elem_value *ucontrol)
 969 {
 970         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 971         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 972         int high_perf = ucontrol->value.enumerated.item[0];
 973         int ret = 0;
 974
 975         if (!priv->hs_power_mode_locked)
 976                 ret = headset_power_mode(codec, high_perf);
 977
 978         if (!ret)
 979                 priv->hs_power_mode = high_perf;
 980
 981         return ret;
 982 }
 983
 984 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
 985         struct snd_ctl_elem_value *ucontrol)
 986 {
 987         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 988         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 989
 990         ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
 991
 992         return 0;
 993 }
 994
 995 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
 996         struct snd_ctl_elem_value *ucontrol)
 997 {
 998         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 999         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1000
1001         priv->pll_power_mode = ucontrol->value.enumerated.item[0];
1002
1003         return 0;
1004 }
1005
1006 int twl6040_get_clk_id(struct snd_soc_codec *codec)
1007 {
1008         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1009
1010         return priv->pll_power_mode;
1011 }
1012 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
1013
1014 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
1015 {
1016         if (unlikely(trim >= TWL6040_TRIM_INVAL))
1017                 return -EINVAL;
1018
1019         return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
1020 }
1021 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
1022
1023 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
1024         /* Capture gains */
1025         SOC_DOUBLE_TLV("Capture Preamplifier Volume",
1026                 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
1027         SOC_DOUBLE_TLV("Capture Volume",
1028                 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
1029
1030         /* AFM gains */
1031         SOC_DOUBLE_TLV("Aux FM Volume",
1032                 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
1033
1034         /* Playback gains */
1035         SOC_DOUBLE_EXT_TLV("Headset Playback Volume",
1036                 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, twl6040_get_volsw,
1037                 twl6040_put_volsw, hs_tlv),
1038         SOC_DOUBLE_R_EXT_TLV("Handsfree Playback Volume",
1039                 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1,
1040                 twl6040_get_volsw, twl6040_put_volsw, hf_tlv),
1041         SOC_SINGLE_TLV("Earphone Playback Volume",
1042                 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
1043
1044         SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
1045                 twl6040_headset_power_get_enum,
1046                 twl6040_headset_power_put_enum),
1047
1048         SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
1049                 twl6040_pll_get_enum, twl6040_pll_put_enum),
1050 };
1051
1052 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
1053         /* Inputs */
1054         SND_SOC_DAPM_INPUT("MAINMIC"),
1055         SND_SOC_DAPM_INPUT("HSMIC"),
1056         SND_SOC_DAPM_INPUT("SUBMIC"),
1057         SND_SOC_DAPM_INPUT("AFML"),
1058         SND_SOC_DAPM_INPUT("AFMR"),
1059
1060         /* Outputs */
1061         SND_SOC_DAPM_OUTPUT("HSOL"),
1062         SND_SOC_DAPM_OUTPUT("HSOR"),
1063         SND_SOC_DAPM_OUTPUT("HFL"),
1064         SND_SOC_DAPM_OUTPUT("HFR"),
1065         SND_SOC_DAPM_OUTPUT("EP"),
1066         SND_SOC_DAPM_OUTPUT("AUXL"),
1067         SND_SOC_DAPM_OUTPUT("AUXR"),
1068         SND_SOC_DAPM_OUTPUT("VIBRAL"),
1069         SND_SOC_DAPM_OUTPUT("VIBRAR"),
1070
1071         /* Analog input muxes for the capture amplifiers */
1072         SND_SOC_DAPM_MUX("Analog Left Capture Route",
1073                         SND_SOC_NOPM, 0, 0, &amicl_control),
1074         SND_SOC_DAPM_MUX("Analog Right Capture Route",
1075                         SND_SOC_NOPM, 0, 0, &amicr_control),
1076
1077         /* Analog capture PGAs */
1078         SND_SOC_DAPM_PGA("MicAmpL",
1079                         TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
1080         SND_SOC_DAPM_PGA("MicAmpR",
1081                         TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
1082
1083         /* Auxiliary FM PGAs */
1084         SND_SOC_DAPM_PGA("AFMAmpL",
1085                         TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
1086         SND_SOC_DAPM_PGA("AFMAmpR",
1087                         TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
1088
1089         /* ADCs */
1090         SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
1091                         TWL6040_REG_MICLCTL, 2, 0),
1092         SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
1093                         TWL6040_REG_MICRCTL, 2, 0),
1094
1095         /* Microphone bias */
1096         SND_SOC_DAPM_MICBIAS("Headset Mic Bias",
1097                         TWL6040_REG_AMICBCTL, 0, 0),
1098         SND_SOC_DAPM_MICBIAS("Main Mic Bias",
1099                         TWL6040_REG_AMICBCTL, 4, 0),
1100         SND_SOC_DAPM_MICBIAS("Digital Mic1 Bias",
1101                         TWL6040_REG_DMICBCTL, 0, 0),
1102         SND_SOC_DAPM_MICBIAS("Digital Mic2 Bias",
1103                         TWL6040_REG_DMICBCTL, 4, 0),
1104
1105         /* DACs */
1106         SND_SOC_DAPM_DAC_E("HSDAC Left", "Headset Playback",
1107                         TWL6040_REG_HSLCTL, 0, 0,
1108                         twl6040_hs_dac_event,
1109                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1110         SND_SOC_DAPM_DAC_E("HSDAC Right", "Headset Playback",
1111                         TWL6040_REG_HSRCTL, 0, 0,
1112                         twl6040_hs_dac_event,
1113                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1114         SND_SOC_DAPM_DAC_E("HFDAC Left", "Handsfree Playback",
1115                         TWL6040_REG_HFLCTL, 0, 0,
1116                         twl6040_power_mode_event,
1117                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1118         SND_SOC_DAPM_DAC_E("HFDAC Right", "Handsfree Playback",
1119                         TWL6040_REG_HFRCTL, 0, 0,
1120                         twl6040_power_mode_event,
1121                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1122         /* Virtual DAC for vibra path (DL4 channel) */
1123         SND_SOC_DAPM_DAC("VIBRA DAC", "Vibra Playback",
1124                         SND_SOC_NOPM, 0, 0),
1125
1126         SND_SOC_DAPM_MUX("Handsfree Left Playback",
1127                         SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
1128         SND_SOC_DAPM_MUX("Handsfree Right Playback",
1129                         SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
1130         /* Analog playback Muxes */
1131         SND_SOC_DAPM_MUX("Headset Left Playback",
1132                         SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
1133         SND_SOC_DAPM_MUX("Headset Right Playback",
1134                         SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
1135
1136         SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
1137                         &vibral_mux_controls),
1138         SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
1139                         &vibrar_mux_controls),
1140
1141         SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
1142                         &ep_path_enable_control),
1143         SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
1144                         &auxl_switch_control),
1145         SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
1146                         &auxr_switch_control),
1147
1148         /* Analog playback drivers */
1149         SND_SOC_DAPM_OUT_DRV_E("HF Left Driver",
1150                         TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
1151                         out_drv_event,
1152                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1153         SND_SOC_DAPM_OUT_DRV_E("HF Right Driver",
1154                         TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
1155                         out_drv_event,
1156                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1157         SND_SOC_DAPM_OUT_DRV_E("HS Left Driver",
1158                         TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
1159                         out_drv_event,
1160                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1161         SND_SOC_DAPM_OUT_DRV_E("HS Right Driver",
1162                         TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
1163                         out_drv_event,
1164                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1165         SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
1166                         TWL6040_REG_EARCTL, 0, 0, NULL, 0,
1167                         twl6040_power_mode_event,
1168                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1169         SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
1170                         TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
1171         SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
1172                         TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
1173
1174         SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
1175                             NULL, 0),
1176         SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
1177                             NULL, 0),
1178
1179         /* Analog playback PGAs */
1180         SND_SOC_DAPM_PGA("HF Left PGA",
1181                         TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
1182         SND_SOC_DAPM_PGA("HF Right PGA",
1183                         TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
1184
1185 };
1186
1187 static const struct snd_soc_dapm_route intercon[] = {
1188         /* Capture path */
1189         {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
1190         {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
1191         {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
1192
1193         {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
1194         {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
1195         {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
1196
1197         {"MicAmpL", NULL, "Analog Left Capture Route"},
1198         {"MicAmpR", NULL, "Analog Right Capture Route"},
1199
1200         {"ADC Left", NULL, "MicAmpL"},
1201         {"ADC Right", NULL, "MicAmpR"},
1202
1203         /* AFM path */
1204         {"AFMAmpL", NULL, "AFML"},
1205         {"AFMAmpR", NULL, "AFMR"},
1206
1207         {"Headset Left Playback", "HS DAC", "HSDAC Left"},
1208         {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
1209
1210         {"Headset Right Playback", "HS DAC", "HSDAC Right"},
1211         {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
1212
1213         {"HS Left Driver", NULL, "Headset Left Playback"},
1214         {"HS Right Driver", NULL, "Headset Right Playback"},
1215
1216         {"HSOL", NULL, "HS Left Driver"},
1217         {"HSOR", NULL, "HS Right Driver"},
1218
1219         /* Earphone playback path */
1220         {"Earphone Playback", "Switch", "HSDAC Left"},
1221         {"Earphone Driver", NULL, "Earphone Playback"},
1222         {"EP", NULL, "Earphone Driver"},
1223
1224         {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
1225         {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
1226
1227         {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
1228         {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
1229
1230         {"HF Left PGA", NULL, "Handsfree Left Playback"},
1231         {"HF Right PGA", NULL, "Handsfree Right Playback"},
1232
1233         {"HF Left Driver", NULL, "HF Left PGA"},
1234         {"HF Right Driver", NULL, "HF Right PGA"},
1235
1236         {"HFL", NULL, "HF Left Driver"},
1237         {"HFR", NULL, "HF Right Driver"},
1238
1239         {"AUXL Playback", "Switch", "HF Left PGA"},
1240         {"AUXR Playback", "Switch", "HF Right PGA"},
1241
1242         {"AUXL", NULL, "AUXL Playback"},
1243         {"AUXR", NULL, "AUXR Playback"},
1244
1245         /* Vibrator paths */
1246         {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
1247         {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
1248
1249         {"Vibra Left Driver", NULL, "Vibra Left Playback"},
1250         {"Vibra Right Driver", NULL, "Vibra Right Playback"},
1251         {"Vibra Left Driver", NULL, "Vibra Left Control"},
1252         {"Vibra Right Driver", NULL, "Vibra Right Control"},
1253
1254         {"VIBRAL", NULL, "Vibra Left Driver"},
1255         {"VIBRAR", NULL, "Vibra Right Driver"},
1256 };
1257
1258 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
1259                                 enum snd_soc_bias_level level)
1260 {
1261         struct twl6040 *twl6040 = codec->control_data;
1262         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1263         int ret;
1264
1265         switch (level) {
1266         case SND_SOC_BIAS_ON:
1267                 break;
1268         case SND_SOC_BIAS_PREPARE:
1269                 break;
1270         case SND_SOC_BIAS_STANDBY:
1271                 if (priv->codec_powered)
1272                         break;
1273
1274                 ret = twl6040_power(twl6040, 1);
1275                 if (ret)
1276                         return ret;
1277
1278                 priv->codec_powered = 1;
1279
1280                 twl6040_restore_regs(codec);
1281
1282                 /* Set external boost GPO */
1283                 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
1284                 break;
1285         case SND_SOC_BIAS_OFF:
1286                 if (!priv->codec_powered)
1287                         break;
1288
1289                 twl6040_power(twl6040, 0);
1290                 priv->codec_powered = 0;
1291                 break;
1292         }
1293
1294         codec->dapm.bias_level = level;
1295
1296         return 0;
1297 }
1298
1299 static int twl6040_startup(struct snd_pcm_substream *substream,
1300                         struct snd_soc_dai *dai)
1301 {
1302         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1303         struct snd_soc_codec *codec = rtd->codec;
1304         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1305
1306         snd_pcm_hw_constraint_list(substream->runtime, 0,
1307                                 SNDRV_PCM_HW_PARAM_RATE,
1308                                 &sysclk_constraints[priv->pll_power_mode]);
1309
1310         return 0;
1311 }
1312
1313 static int twl6040_hw_params(struct snd_pcm_substream *substream,
1314                         struct snd_pcm_hw_params *params,
1315                         struct snd_soc_dai *dai)
1316 {
1317         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1318         struct snd_soc_codec *codec = rtd->codec;
1319         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1320         int rate;
1321
1322         rate = params_rate(params);
1323         switch (rate) {
1324         case 11250:
1325         case 22500:
1326         case 44100:
1327         case 88200:
1328                 /* These rates are not supported when HPPLL is in use */
1329                 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
1330                         dev_err(codec->dev, "HPPLL does not support rate %d\n",
1331                                 rate);
1332                         return -EINVAL;
1333                 }
1334                 /* Capture is not supported with 17.64MHz sysclk */
1335                 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
1336                         dev_err(codec->dev,
1337                                 "capture mode is not supported at %dHz\n",
1338                                 rate);
1339                         return -EINVAL;
1340                 }
1341                 priv->sysclk = 17640000;
1342                 break;
1343         case 8000:
1344         case 16000:
1345         case 32000:
1346         case 48000:
1347         case 96000:
1348                 priv->sysclk = 19200000;
1349                 break;
1350         default:
1351                 dev_err(codec->dev, "unsupported rate %d\n", rate);
1352                 return -EINVAL;
1353         }
1354
1355         return 0;
1356 }
1357
1358 static int twl6040_prepare(struct snd_pcm_substream *substream,
1359                         struct snd_soc_dai *dai)
1360 {
1361         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1362         struct snd_soc_codec *codec = rtd->codec;
1363         struct twl6040 *twl6040 = codec->control_data;
1364         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1365         int ret;
1366
1367         if (!priv->sysclk) {
1368                 dev_err(codec->dev,
1369                         "no mclk configured, call set_sysclk() on init\n");
1370                 return -EINVAL;
1371         }
1372
1373         if ((priv->sysclk == 17640000) && priv->non_lp) {
1374                         dev_err(codec->dev,
1375                                 "some enabled paths aren't supported at %dHz\n",
1376                                 priv->sysclk);
1377                         return -EPERM;
1378         }
1379
1380         ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1381         if (ret) {
1382                 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1383                 return -EPERM;
1384         }
1385
1386         return 0;
1387 }
1388
1389 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1390                 int clk_id, unsigned int freq, int dir)
1391 {
1392         struct snd_soc_codec *codec = codec_dai->codec;
1393         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1394
1395         switch (clk_id) {
1396         case TWL6040_SYSCLK_SEL_LPPLL:
1397         case TWL6040_SYSCLK_SEL_HPPLL:
1398                 priv->pll = clk_id;
1399                 priv->clk_in = freq;
1400                 break;
1401         default:
1402                 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1403                 return -EINVAL;
1404         }
1405
1406         return 0;
1407 }
1408
1409 static struct snd_soc_dai_ops twl6040_dai_ops = {
1410         .startup        = twl6040_startup,
1411         .hw_params      = twl6040_hw_params,
1412         .prepare        = twl6040_prepare,
1413         .set_sysclk     = twl6040_set_dai_sysclk,
1414 };
1415
1416 static struct snd_soc_dai_driver twl6040_dai[] = {
1417 {
1418         .name = "twl6040-legacy",
1419         .playback = {
1420                 .stream_name = "Playback",
1421                 .channels_min = 1,
1422                 .channels_max = 5,
1423                 .rates = TWL6040_RATES,
1424                 .formats = TWL6040_FORMATS,
1425         },
1426         .capture = {
1427                 .stream_name = "Capture",
1428                 .channels_min = 1,
1429                 .channels_max = 2,
1430                 .rates = TWL6040_RATES,
1431                 .formats = TWL6040_FORMATS,
1432         },
1433         .ops = &twl6040_dai_ops,
1434 },
1435 {
1436         .name = "twl6040-ul",
1437         .capture = {
1438                 .stream_name = "Capture",
1439                 .channels_min = 1,
1440                 .channels_max = 2,
1441                 .rates = TWL6040_RATES,
1442                 .formats = TWL6040_FORMATS,
1443         },
1444         .ops = &twl6040_dai_ops,
1445 },
1446 {
1447         .name = "twl6040-dl1",
1448         .playback = {
1449                 .stream_name = "Headset Playback",
1450                 .channels_min = 1,
1451                 .channels_max = 2,
1452                 .rates = TWL6040_RATES,
1453                 .formats = TWL6040_FORMATS,
1454         },
1455         .ops = &twl6040_dai_ops,
1456 },
1457 {
1458         .name = "twl6040-dl2",
1459         .playback = {
1460                 .stream_name = "Handsfree Playback",
1461                 .channels_min = 1,
1462                 .channels_max = 2,
1463                 .rates = TWL6040_RATES,
1464                 .formats = TWL6040_FORMATS,
1465         },
1466         .ops = &twl6040_dai_ops,
1467 },
1468 {
1469         .name = "twl6040-vib",
1470         .playback = {
1471                 .stream_name = "Vibra Playback",
1472                 .channels_min = 1,
1473                 .channels_max = 1,
1474                 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1475                 .formats = TWL6040_FORMATS,
1476         },
1477         .ops = &twl6040_dai_ops,
1478 },
1479 };
1480
1481 #ifdef CONFIG_PM
1482 static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state)
1483 {
1484         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1485
1486         return 0;
1487 }
1488
1489 static int twl6040_resume(struct snd_soc_codec *codec)
1490 {
1491         twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1492         twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
1493
1494         return 0;
1495 }
1496 #else
1497 #define twl6040_suspend NULL
1498 #define twl6040_resume NULL
1499 #endif
1500
1501 static int twl6040_probe(struct snd_soc_codec *codec)
1502 {
1503         struct twl6040_data *priv;
1504         struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
1505         struct platform_device *pdev = container_of(codec->dev,
1506                                                    struct platform_device, dev);
1507         int ret = 0;
1508
1509         priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
1510         if (priv == NULL)
1511                 return -ENOMEM;
1512         snd_soc_codec_set_drvdata(codec, priv);
1513
1514         priv->codec = codec;
1515         codec->control_data = dev_get_drvdata(codec->dev->parent);
1516
1517         if (pdata && pdata->hs_left_step && pdata->hs_right_step) {
1518                 priv->hs_left_step = pdata->hs_left_step;
1519                 priv->hs_right_step = pdata->hs_right_step;
1520         } else {
1521                 priv->hs_left_step = 1;
1522                 priv->hs_right_step = 1;
1523         }
1524
1525         if (pdata && pdata->hf_left_step && pdata->hf_right_step) {
1526                 priv->hf_left_step = pdata->hf_left_step;
1527                 priv->hf_right_step = pdata->hf_right_step;
1528         } else {
1529                 priv->hf_left_step = 1;
1530                 priv->hf_right_step = 1;
1531         }
1532
1533         priv->plug_irq = platform_get_irq(pdev, 0);
1534         if (priv->plug_irq < 0) {
1535                 dev_err(codec->dev, "invalid irq\n");
1536                 ret = -EINVAL;
1537                 goto work_err;
1538         }
1539
1540         priv->workqueue = alloc_workqueue("twl6040-codec", 0, 0);
1541         if (!priv->workqueue) {
1542                 ret = -ENOMEM;
1543                 goto work_err;
1544         }
1545
1546         INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1547         INIT_DELAYED_WORK(&priv->headset.work, twl6040_pga_hs_work);
1548         INIT_DELAYED_WORK(&priv->handsfree.work, twl6040_pga_hf_work);
1549
1550         mutex_init(&priv->mutex);
1551
1552         init_completion(&priv->headset.ramp_done);
1553         init_completion(&priv->handsfree.ramp_done);
1554
1555         ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler,
1556                                    0, "twl6040_irq_plug", codec);
1557         if (ret) {
1558                 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1559                 goto plugirq_err;
1560         }
1561
1562         twl6040_init_chip(codec);
1563
1564         /* power on device */
1565         ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1566         if (!ret)
1567                 return 0;
1568
1569         /* Error path */
1570         free_irq(priv->plug_irq, codec);
1571 plugirq_err:
1572         destroy_workqueue(priv->workqueue);
1573 work_err:
1574         kfree(priv);
1575         return ret;
1576 }
1577
1578 static int twl6040_remove(struct snd_soc_codec *codec)
1579 {
1580         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1581
1582         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1583         free_irq(priv->plug_irq, codec);
1584         destroy_workqueue(priv->workqueue);
1585         kfree(priv);
1586
1587         return 0;
1588 }
1589
1590 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1591         .probe = twl6040_probe,
1592         .remove = twl6040_remove,
1593         .suspend = twl6040_suspend,
1594         .resume = twl6040_resume,
1595         .read = twl6040_read_reg_cache,
1596         .write = twl6040_write,
1597         .set_bias_level = twl6040_set_bias_level,
1598         .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1599         .reg_word_size = sizeof(u8),
1600         .reg_cache_default = twl6040_reg,
1601
1602         .controls = twl6040_snd_controls,
1603         .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1604         .dapm_widgets = twl6040_dapm_widgets,
1605         .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1606         .dapm_routes = intercon,
1607         .num_dapm_routes = ARRAY_SIZE(intercon),
1608 };
1609
1610 static int __devinit twl6040_codec_probe(struct platform_device *pdev)
1611 {
1612         return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1613                                       twl6040_dai, ARRAY_SIZE(twl6040_dai));
1614 }
1615
1616 static int __devexit twl6040_codec_remove(struct platform_device *pdev)
1617 {
1618         snd_soc_unregister_codec(&pdev->dev);
1619         return 0;
1620 }
1621
1622 static struct platform_driver twl6040_codec_driver = {
1623         .driver = {
1624                 .name = "twl6040-codec",
1625                 .owner = THIS_MODULE,
1626         },
1627         .probe = twl6040_codec_probe,
1628         .remove = __devexit_p(twl6040_codec_remove),
1629 };
1630
1631 static int __init twl6040_codec_init(void)
1632 {
1633         return platform_driver_register(&twl6040_codec_driver);
1634 }
1635 module_init(twl6040_codec_init);
1636
1637 static void __exit twl6040_codec_exit(void)
1638 {
1639         platform_driver_unregister(&twl6040_codec_driver);
1640 }
1641 module_exit(twl6040_codec_exit);
1642
1643 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1644 MODULE_AUTHOR("Misael Lopez Cruz");
1645 MODULE_LICENSE("GPL");