Pileus Git - ~andy/linux/blob - sound/soc/codecs/twl6040.c

   1 /*
   2  * ALSA SoC TWL6040 codec driver
   3  *
   4  * Author:       Misael Lopez Cruz <x0052729@ti.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * version 2 as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  18  * 02110-1301 USA
  19  *
  20  */
  21
  22 #include <linux/module.h>
  23 #include <linux/moduleparam.h>
  24 #include <linux/init.h>
  25 #include <linux/delay.h>
  26 #include <linux/pm.h>
  27 #include <linux/platform_device.h>
  28 #include <linux/slab.h>
  29 #include <linux/i2c/twl.h>
  30 #include <linux/mfd/twl6040.h>
  31
  32 #include <sound/core.h>
  33 #include <sound/pcm.h>
  34 #include <sound/pcm_params.h>
  35 #include <sound/soc.h>
  36 #include <sound/soc-dapm.h>
  37 #include <sound/initval.h>
  38 #include <sound/tlv.h>
  39
  40 #include "twl6040.h"
  41
  42 #define TWL6040_RATES           SNDRV_PCM_RATE_8000_96000
  43 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
  44
  45 #define TWL6040_OUTHS_0dB 0x00
  46 #define TWL6040_OUTHS_M30dB 0x0F
  47 #define TWL6040_OUTHF_0dB 0x03
  48 #define TWL6040_OUTHF_M52dB 0x1D
  49
  50 #define TWL6040_RAMP_NONE       0
  51 #define TWL6040_RAMP_UP         1
  52 #define TWL6040_RAMP_DOWN       2
  53
  54 #define TWL6040_HSL_VOL_MASK    0x0F
  55 #define TWL6040_HSL_VOL_SHIFT   0
  56 #define TWL6040_HSR_VOL_MASK    0xF0
  57 #define TWL6040_HSR_VOL_SHIFT   4
  58 #define TWL6040_HF_VOL_MASK     0x1F
  59 #define TWL6040_HF_VOL_SHIFT    0
  60
  61 /* Shadow register used by the driver */
  62 #define TWL6040_REG_SW_SHADOW   0x2F
  63 #define TWL6040_CACHEREGNUM     (TWL6040_REG_SW_SHADOW + 1)
  64
  65 /* TWL6040_REG_SW_SHADOW (0x2F) fields */
  66 #define TWL6040_EAR_PATH_ENABLE 0x01
  67
  68 struct twl6040_output {
  69         u16 active;
  70         u16 left_vol;
  71         u16 right_vol;
  72         u16 left_step;
  73         u16 right_step;
  74         unsigned int step_delay;
  75         u16 ramp;
  76         struct delayed_work work;
  77         struct completion ramp_done;
  78 };
  79
  80 struct twl6040_jack_data {
  81         struct snd_soc_jack *jack;
  82         struct delayed_work work;
  83         int report;
  84 };
  85
  86 /* codec private data */
  87 struct twl6040_data {
  88         int plug_irq;
  89         int codec_powered;
  90         int pll;
  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                 break;
 592         default:
 593                 return -1;
 594         }
 595
 596         switch (event) {
 597         case SND_SOC_DAPM_POST_PMU:
 598                 if (out->active)
 599                         break;
 600
 601                 /* don't use volume ramp for power-up */
 602                 out->ramp = TWL6040_RAMP_UP;
 603                 out->left_step = out->left_vol;
 604                 out->right_step = out->right_vol;
 605
 606                 queue_delayed_work(priv->workqueue, work, msecs_to_jiffies(1));
 607                 break;
 608
 609         case SND_SOC_DAPM_PRE_PMD:
 610                 if (!out->active)
 611                         break;
 612
 613                 /* use volume ramp for power-down */
 614                 out->ramp = TWL6040_RAMP_DOWN;
 615                 INIT_COMPLETION(out->ramp_done);
 616
 617                 queue_delayed_work(priv->workqueue, work, msecs_to_jiffies(1));
 618
 619                 wait_for_completion_timeout(&out->ramp_done,
 620                                             msecs_to_jiffies(2000));
 621                 break;
 622         }
 623
 624         return 0;
 625 }
 626
 627 /* set headset dac and driver power mode */
 628 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
 629 {
 630         int hslctl, hsrctl;
 631         int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
 632
 633         hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
 634         hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
 635
 636         if (high_perf) {
 637                 hslctl &= ~mask;
 638                 hsrctl &= ~mask;
 639         } else {
 640                 hslctl |= mask;
 641                 hsrctl |= mask;
 642         }
 643
 644         twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
 645         twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
 646
 647         return 0;
 648 }
 649
 650 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
 651                         struct snd_kcontrol *kcontrol, int event)
 652 {
 653         struct snd_soc_codec *codec = w->codec;
 654         u8 hslctl, hsrctl;
 655
 656         /*
 657          * Workaround for Headset DC offset caused pop noise:
 658          * Both HS DAC need to be turned on (before the HS driver) and off at
 659          * the same time.
 660          */
 661         hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
 662         hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
 663         if (SND_SOC_DAPM_EVENT_ON(event)) {
 664                 hslctl |= TWL6040_HSDACENA;
 665                 hsrctl |= TWL6040_HSDACENA;
 666         } else {
 667                 hslctl &= ~TWL6040_HSDACENA;
 668                 hsrctl &= ~TWL6040_HSDACENA;
 669         }
 670         twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
 671         twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
 672
 673         msleep(1);
 674         return 0;
 675 }
 676
 677 static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
 678                         struct snd_kcontrol *kcontrol, int event)
 679 {
 680         struct snd_soc_codec *codec = w->codec;
 681         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 682         int ret = 0;
 683
 684         if (SND_SOC_DAPM_EVENT_ON(event)) {
 685                 /* Earphone doesn't support low power mode */
 686                 priv->hs_power_mode_locked = 1;
 687                 ret = headset_power_mode(codec, 1);
 688         } else {
 689                 priv->hs_power_mode_locked = 0;
 690                 ret = headset_power_mode(codec, priv->hs_power_mode);
 691         }
 692
 693         msleep(1);
 694
 695         return ret;
 696 }
 697
 698 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
 699                                    struct snd_soc_jack *jack, int report)
 700 {
 701         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 702         int status;
 703
 704         mutex_lock(&priv->mutex);
 705
 706         /* Sync status */
 707         status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
 708         if (status & TWL6040_PLUGCOMP)
 709                 snd_soc_jack_report(jack, report, report);
 710         else
 711                 snd_soc_jack_report(jack, 0, report);
 712
 713         mutex_unlock(&priv->mutex);
 714 }
 715
 716 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
 717                                 struct snd_soc_jack *jack, int report)
 718 {
 719         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 720         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 721
 722         hs_jack->jack = jack;
 723         hs_jack->report = report;
 724
 725         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 726 }
 727 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
 728
 729 static void twl6040_accessory_work(struct work_struct *work)
 730 {
 731         struct twl6040_data *priv = container_of(work,
 732                                         struct twl6040_data, hs_jack.work.work);
 733         struct snd_soc_codec *codec = priv->codec;
 734         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 735
 736         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 737 }
 738
 739 /* audio interrupt handler */
 740 static irqreturn_t twl6040_audio_handler(int irq, void *data)
 741 {
 742         struct snd_soc_codec *codec = data;
 743         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 744
 745         queue_delayed_work(priv->workqueue, &priv->hs_jack.work,
 746                            msecs_to_jiffies(200));
 747
 748         return IRQ_HANDLED;
 749 }
 750
 751 static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
 752                                   struct snd_ctl_elem_value *ucontrol)
 753 {
 754         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 755         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 756         struct twl6040_output *out = NULL;
 757         struct soc_mixer_control *mc =
 758                 (struct soc_mixer_control *)kcontrol->private_value;
 759         int ret;
 760
 761         /* For HS and HF we shadow the values and only actually write
 762          * them out when active in order to ensure the amplifier comes on
 763          * as quietly as possible. */
 764         switch (mc->reg) {
 765         case TWL6040_REG_HSGAIN:
 766                 out = &twl6040_priv->headset;
 767                 break;
 768         case TWL6040_REG_HFLGAIN:
 769                 out = &twl6040_priv->handsfree;
 770                 break;
 771         default:
 772                 dev_warn(codec->dev, "%s: Unexpected register: 0x%02x\n",
 773                                         __func__, mc->reg);
 774                 return -EINVAL;
 775         }
 776
 777         out->left_vol = ucontrol->value.integer.value[0];
 778         out->right_vol = ucontrol->value.integer.value[1];
 779         if (!out->active)
 780                 return 1;
 781
 782         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 783         if (ret < 0)
 784                 return ret;
 785
 786         return 1;
 787 }
 788
 789 static int twl6040_get_volsw(struct snd_kcontrol *kcontrol,
 790                                 struct snd_ctl_elem_value *ucontrol)
 791 {
 792         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 793         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 794         struct twl6040_output *out = &twl6040_priv->headset;
 795         struct soc_mixer_control *mc =
 796                 (struct soc_mixer_control *)kcontrol->private_value;
 797
 798         switch (mc->reg) {
 799         case TWL6040_REG_HSGAIN:
 800                 out = &twl6040_priv->headset;
 801                 break;
 802         case TWL6040_REG_HFLGAIN:
 803                 out = &twl6040_priv->handsfree;
 804                 break;
 805         default:
 806                 dev_warn(codec->dev, "%s: Unexpected register: 0x%02x\n",
 807                                         __func__, mc->reg);
 808                 return -EINVAL;
 809         }
 810
 811         ucontrol->value.integer.value[0] = out->left_vol;
 812         ucontrol->value.integer.value[1] = out->right_vol;
 813         return 0;
 814 }
 815
 816 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
 817         struct snd_ctl_elem_value *ucontrol)
 818 {
 819         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 820         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 821         struct snd_soc_codec *codec = widget->codec;
 822         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 823         unsigned int val;
 824
 825         /* Do not allow changes while Input/FF efect is running */
 826         val = twl6040_read_reg_volatile(codec, e->reg);
 827         if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
 828                 return -EBUSY;
 829
 830         return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
 831 }
 832
 833 /*
 834  * MICATT volume control:
 835  * from -6 to 0 dB in 6 dB steps
 836  */
 837 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
 838
 839 /*
 840  * MICGAIN volume control:
 841  * from 6 to 30 dB in 6 dB steps
 842  */
 843 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
 844
 845 /*
 846  * AFMGAIN volume control:
 847  * from -18 to 24 dB in 6 dB steps
 848  */
 849 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
 850
 851 /*
 852  * HSGAIN volume control:
 853  * from -30 to 0 dB in 2 dB steps
 854  */
 855 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
 856
 857 /*
 858  * HFGAIN volume control:
 859  * from -52 to 6 dB in 2 dB steps
 860  */
 861 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
 862
 863 /*
 864  * EPGAIN volume control:
 865  * from -24 to 6 dB in 2 dB steps
 866  */
 867 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
 868
 869 /* Left analog microphone selection */
 870 static const char *twl6040_amicl_texts[] =
 871         {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
 872
 873 /* Right analog microphone selection */
 874 static const char *twl6040_amicr_texts[] =
 875         {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
 876
 877 static const struct soc_enum twl6040_enum[] = {
 878         SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
 879         SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
 880 };
 881
 882 static const char *twl6040_hs_texts[] = {
 883         "Off", "HS DAC", "Line-In amp"
 884 };
 885
 886 static const struct soc_enum twl6040_hs_enum[] = {
 887         SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 888                         twl6040_hs_texts),
 889         SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 890                         twl6040_hs_texts),
 891 };
 892
 893 static const char *twl6040_hf_texts[] = {
 894         "Off", "HF DAC", "Line-In amp"
 895 };
 896
 897 static const struct soc_enum twl6040_hf_enum[] = {
 898         SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 899                         twl6040_hf_texts),
 900         SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 901                         twl6040_hf_texts),
 902 };
 903
 904 static const char *twl6040_vibrapath_texts[] = {
 905         "Input FF", "Audio PDM"
 906 };
 907
 908 static const struct soc_enum twl6040_vibra_enum[] = {
 909         SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
 910                         ARRAY_SIZE(twl6040_vibrapath_texts),
 911                         twl6040_vibrapath_texts),
 912         SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
 913                         ARRAY_SIZE(twl6040_vibrapath_texts),
 914                         twl6040_vibrapath_texts),
 915 };
 916
 917 static const struct snd_kcontrol_new amicl_control =
 918         SOC_DAPM_ENUM("Route", twl6040_enum[0]);
 919
 920 static const struct snd_kcontrol_new amicr_control =
 921         SOC_DAPM_ENUM("Route", twl6040_enum[1]);
 922
 923 /* Headset DAC playback switches */
 924 static const struct snd_kcontrol_new hsl_mux_controls =
 925         SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
 926
 927 static const struct snd_kcontrol_new hsr_mux_controls =
 928         SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
 929
 930 /* Handsfree DAC playback switches */
 931 static const struct snd_kcontrol_new hfl_mux_controls =
 932         SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
 933
 934 static const struct snd_kcontrol_new hfr_mux_controls =
 935         SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
 936
 937 static const struct snd_kcontrol_new ep_path_enable_control =
 938         SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0);
 939
 940 static const struct snd_kcontrol_new auxl_switch_control =
 941         SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
 942
 943 static const struct snd_kcontrol_new auxr_switch_control =
 944         SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
 945
 946 /* Vibra playback switches */
 947 static const struct snd_kcontrol_new vibral_mux_controls =
 948         SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
 949                 snd_soc_dapm_get_enum_double,
 950                 twl6040_soc_dapm_put_vibra_enum);
 951
 952 static const struct snd_kcontrol_new vibrar_mux_controls =
 953         SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
 954                 snd_soc_dapm_get_enum_double,
 955                 twl6040_soc_dapm_put_vibra_enum);
 956
 957 /* Headset power mode */
 958 static const char *twl6040_power_mode_texts[] = {
 959         "Low-Power", "High-Perfomance",
 960 };
 961
 962 static const struct soc_enum twl6040_power_mode_enum =
 963         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
 964                         twl6040_power_mode_texts);
 965
 966 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
 967         struct snd_ctl_elem_value *ucontrol)
 968 {
 969         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 970         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 971
 972         ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
 973
 974         return 0;
 975 }
 976
 977 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
 978         struct snd_ctl_elem_value *ucontrol)
 979 {
 980         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 981         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 982         int high_perf = ucontrol->value.enumerated.item[0];
 983         int ret = 0;
 984
 985         if (!priv->hs_power_mode_locked)
 986                 ret = headset_power_mode(codec, high_perf);
 987
 988         if (!ret)
 989                 priv->hs_power_mode = high_perf;
 990
 991         return ret;
 992 }
 993
 994 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
 995         struct snd_ctl_elem_value *ucontrol)
 996 {
 997         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 998         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 999
1000         ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
1001
1002         return 0;
1003 }
1004
1005 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
1006         struct snd_ctl_elem_value *ucontrol)
1007 {
1008         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1009         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1010
1011         priv->pll_power_mode = ucontrol->value.enumerated.item[0];
1012
1013         return 0;
1014 }
1015
1016 int twl6040_get_dl1_gain(struct snd_soc_codec *codec)
1017 {
1018         struct snd_soc_dapm_context *dapm = &codec->dapm;
1019
1020         if (snd_soc_dapm_get_pin_status(dapm, "EP"))
1021                 return -1; /* -1dB */
1022
1023         if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
1024                 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
1025
1026                 u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL);
1027                 if (val & TWL6040_HSDACMODE)
1028                         /* HSDACL in LP mode */
1029                         return -8; /* -8dB */
1030                 else
1031                         /* HSDACL in HP mode */
1032                         return -1; /* -1dB */
1033         }
1034         return 0; /* 0dB */
1035 }
1036 EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
1037
1038 int twl6040_get_clk_id(struct snd_soc_codec *codec)
1039 {
1040         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1041
1042         return priv->pll_power_mode;
1043 }
1044 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
1045
1046 int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim)
1047 {
1048         if (unlikely(trim >= TWL6040_TRIM_INVAL))
1049                 return -EINVAL;
1050
1051         return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim);
1052 }
1053 EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
1054
1055 int twl6040_get_hs_step_size(struct snd_soc_codec *codec)
1056 {
1057         struct twl6040 *twl6040 = codec->control_data;
1058
1059         if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_2)
1060                 /* For ES under ES_1.3 HS step is 2 mV */
1061                 return 2;
1062         else
1063                 /* For ES_1.3 HS step is 1 mV */
1064                 return 1;
1065 }
1066 EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
1067
1068 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
1069         /* Capture gains */
1070         SOC_DOUBLE_TLV("Capture Preamplifier Volume",
1071                 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
1072         SOC_DOUBLE_TLV("Capture Volume",
1073                 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
1074
1075         /* AFM gains */
1076         SOC_DOUBLE_TLV("Aux FM Volume",
1077                 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
1078
1079         /* Playback gains */
1080         SOC_DOUBLE_EXT_TLV("Headset Playback Volume",
1081                 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, twl6040_get_volsw,
1082                 twl6040_put_volsw, hs_tlv),
1083         SOC_DOUBLE_R_EXT_TLV("Handsfree Playback Volume",
1084                 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1,
1085                 twl6040_get_volsw, twl6040_put_volsw, hf_tlv),
1086         SOC_SINGLE_TLV("Earphone Playback Volume",
1087                 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
1088
1089         SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
1090                 twl6040_headset_power_get_enum,
1091                 twl6040_headset_power_put_enum),
1092
1093         SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
1094                 twl6040_pll_get_enum, twl6040_pll_put_enum),
1095 };
1096
1097 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
1098         /* Inputs */
1099         SND_SOC_DAPM_INPUT("MAINMIC"),
1100         SND_SOC_DAPM_INPUT("HSMIC"),
1101         SND_SOC_DAPM_INPUT("SUBMIC"),
1102         SND_SOC_DAPM_INPUT("AFML"),
1103         SND_SOC_DAPM_INPUT("AFMR"),
1104
1105         /* Outputs */
1106         SND_SOC_DAPM_OUTPUT("HSOL"),
1107         SND_SOC_DAPM_OUTPUT("HSOR"),
1108         SND_SOC_DAPM_OUTPUT("HFL"),
1109         SND_SOC_DAPM_OUTPUT("HFR"),
1110         SND_SOC_DAPM_OUTPUT("EP"),
1111         SND_SOC_DAPM_OUTPUT("AUXL"),
1112         SND_SOC_DAPM_OUTPUT("AUXR"),
1113         SND_SOC_DAPM_OUTPUT("VIBRAL"),
1114         SND_SOC_DAPM_OUTPUT("VIBRAR"),
1115
1116         /* Analog input muxes for the capture amplifiers */
1117         SND_SOC_DAPM_MUX("Analog Left Capture Route",
1118                         SND_SOC_NOPM, 0, 0, &amicl_control),
1119         SND_SOC_DAPM_MUX("Analog Right Capture Route",
1120                         SND_SOC_NOPM, 0, 0, &amicr_control),
1121
1122         /* Analog capture PGAs */
1123         SND_SOC_DAPM_PGA("MicAmpL",
1124                         TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
1125         SND_SOC_DAPM_PGA("MicAmpR",
1126                         TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
1127
1128         /* Auxiliary FM PGAs */
1129         SND_SOC_DAPM_PGA("AFMAmpL",
1130                         TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
1131         SND_SOC_DAPM_PGA("AFMAmpR",
1132                         TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
1133
1134         /* ADCs */
1135         SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
1136                         TWL6040_REG_MICLCTL, 2, 0),
1137         SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
1138                         TWL6040_REG_MICRCTL, 2, 0),
1139
1140         /* Microphone bias */
1141         SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
1142                             TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
1143         SND_SOC_DAPM_SUPPLY("Main Mic Bias",
1144                             TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
1145         SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
1146                             TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
1147         SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
1148                             TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
1149
1150         /* DACs */
1151         SND_SOC_DAPM_DAC("HSDAC Left", "Headset Playback", SND_SOC_NOPM, 0, 0),
1152         SND_SOC_DAPM_DAC("HSDAC Right", "Headset Playback", SND_SOC_NOPM, 0, 0),
1153         SND_SOC_DAPM_DAC("HFDAC Left", "Handsfree Playback",
1154                          TWL6040_REG_HFLCTL, 0, 0),
1155         SND_SOC_DAPM_DAC("HFDAC Right", "Handsfree Playback",
1156                          TWL6040_REG_HFRCTL, 0, 0),
1157         /* Virtual DAC for vibra path (DL4 channel) */
1158         SND_SOC_DAPM_DAC("VIBRA DAC", "Vibra Playback",
1159                         SND_SOC_NOPM, 0, 0),
1160
1161         SND_SOC_DAPM_MUX("Handsfree Left Playback",
1162                         SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
1163         SND_SOC_DAPM_MUX("Handsfree Right Playback",
1164                         SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
1165         /* Analog playback Muxes */
1166         SND_SOC_DAPM_MUX("Headset Left Playback",
1167                         SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
1168         SND_SOC_DAPM_MUX("Headset Right Playback",
1169                         SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
1170
1171         SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
1172                         &vibral_mux_controls),
1173         SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
1174                         &vibrar_mux_controls),
1175
1176         SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
1177                         &ep_path_enable_control),
1178         SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
1179                         &auxl_switch_control),
1180         SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
1181                         &auxr_switch_control),
1182
1183         /* Analog playback drivers */
1184         SND_SOC_DAPM_OUT_DRV_E("HF Left Driver",
1185                         TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
1186                         out_drv_event,
1187                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1188         SND_SOC_DAPM_OUT_DRV_E("HF Right Driver",
1189                         TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
1190                         out_drv_event,
1191                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1192         SND_SOC_DAPM_OUT_DRV_E("HS Left Driver",
1193                         TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
1194                         out_drv_event,
1195                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1196         SND_SOC_DAPM_OUT_DRV_E("HS Right Driver",
1197                         TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
1198                         out_drv_event,
1199                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1200         SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
1201                         TWL6040_REG_EARCTL, 0, 0, NULL, 0,
1202                         twl6040_ep_drv_event,
1203                         SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1204         SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
1205                         TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
1206         SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
1207                         TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
1208
1209         SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
1210                             NULL, 0),
1211         SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
1212                             NULL, 0),
1213         SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
1214                               twl6040_hs_dac_event,
1215                               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1216
1217         /* Analog playback PGAs */
1218         SND_SOC_DAPM_PGA("HF Left PGA",
1219                         TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
1220         SND_SOC_DAPM_PGA("HF Right PGA",
1221                         TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
1222
1223 };
1224
1225 static const struct snd_soc_dapm_route intercon[] = {
1226         /* Capture path */
1227         {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
1228         {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
1229         {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
1230
1231         {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
1232         {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
1233         {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
1234
1235         {"MicAmpL", NULL, "Analog Left Capture Route"},
1236         {"MicAmpR", NULL, "Analog Right Capture Route"},
1237
1238         {"ADC Left", NULL, "MicAmpL"},
1239         {"ADC Right", NULL, "MicAmpR"},
1240
1241         /* AFM path */
1242         {"AFMAmpL", NULL, "AFML"},
1243         {"AFMAmpR", NULL, "AFMR"},
1244
1245         {"HSDAC Left", NULL, "HSDAC Power"},
1246         {"HSDAC Right", NULL, "HSDAC Power"},
1247
1248         {"Headset Left Playback", "HS DAC", "HSDAC Left"},
1249         {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
1250
1251         {"Headset Right Playback", "HS DAC", "HSDAC Right"},
1252         {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
1253
1254         {"HS Left Driver", NULL, "Headset Left Playback"},
1255         {"HS Right Driver", NULL, "Headset Right Playback"},
1256
1257         {"HSOL", NULL, "HS Left Driver"},
1258         {"HSOR", NULL, "HS Right Driver"},
1259
1260         /* Earphone playback path */
1261         {"Earphone Playback", "Switch", "HSDAC Left"},
1262         {"Earphone Driver", NULL, "Earphone Playback"},
1263         {"EP", NULL, "Earphone Driver"},
1264
1265         {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
1266         {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
1267
1268         {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
1269         {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
1270
1271         {"HF Left PGA", NULL, "Handsfree Left Playback"},
1272         {"HF Right PGA", NULL, "Handsfree Right Playback"},
1273
1274         {"HF Left Driver", NULL, "HF Left PGA"},
1275         {"HF Right Driver", NULL, "HF Right PGA"},
1276
1277         {"HFL", NULL, "HF Left Driver"},
1278         {"HFR", NULL, "HF Right Driver"},
1279
1280         {"AUXL Playback", "Switch", "HF Left PGA"},
1281         {"AUXR Playback", "Switch", "HF Right PGA"},
1282
1283         {"AUXL", NULL, "AUXL Playback"},
1284         {"AUXR", NULL, "AUXR Playback"},
1285
1286         /* Vibrator paths */
1287         {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
1288         {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
1289
1290         {"Vibra Left Driver", NULL, "Vibra Left Playback"},
1291         {"Vibra Right Driver", NULL, "Vibra Right Playback"},
1292         {"Vibra Left Driver", NULL, "Vibra Left Control"},
1293         {"Vibra Right Driver", NULL, "Vibra Right Control"},
1294
1295         {"VIBRAL", NULL, "Vibra Left Driver"},
1296         {"VIBRAR", NULL, "Vibra Right Driver"},
1297 };
1298
1299 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
1300                                 enum snd_soc_bias_level level)
1301 {
1302         struct twl6040 *twl6040 = codec->control_data;
1303         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1304         int ret;
1305
1306         switch (level) {
1307         case SND_SOC_BIAS_ON:
1308                 break;
1309         case SND_SOC_BIAS_PREPARE:
1310                 break;
1311         case SND_SOC_BIAS_STANDBY:
1312                 if (priv->codec_powered)
1313                         break;
1314
1315                 ret = twl6040_power(twl6040, 1);
1316                 if (ret)
1317                         return ret;
1318
1319                 priv->codec_powered = 1;
1320
1321                 twl6040_restore_regs(codec);
1322
1323                 /* Set external boost GPO */
1324                 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
1325                 break;
1326         case SND_SOC_BIAS_OFF:
1327                 if (!priv->codec_powered)
1328                         break;
1329
1330                 twl6040_power(twl6040, 0);
1331                 priv->codec_powered = 0;
1332                 break;
1333         }
1334
1335         codec->dapm.bias_level = level;
1336
1337         return 0;
1338 }
1339
1340 static int twl6040_startup(struct snd_pcm_substream *substream,
1341                         struct snd_soc_dai *dai)
1342 {
1343         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1344         struct snd_soc_codec *codec = rtd->codec;
1345         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1346
1347         snd_pcm_hw_constraint_list(substream->runtime, 0,
1348                                 SNDRV_PCM_HW_PARAM_RATE,
1349                                 &sysclk_constraints[priv->pll_power_mode]);
1350
1351         return 0;
1352 }
1353
1354 static int twl6040_hw_params(struct snd_pcm_substream *substream,
1355                         struct snd_pcm_hw_params *params,
1356                         struct snd_soc_dai *dai)
1357 {
1358         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1359         struct snd_soc_codec *codec = rtd->codec;
1360         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1361         int rate;
1362
1363         rate = params_rate(params);
1364         switch (rate) {
1365         case 11250:
1366         case 22500:
1367         case 44100:
1368         case 88200:
1369                 /* These rates are not supported when HPPLL is in use */
1370                 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
1371                         dev_err(codec->dev, "HPPLL does not support rate %d\n",
1372                                 rate);
1373                         return -EINVAL;
1374                 }
1375                 priv->sysclk = 17640000;
1376                 break;
1377         case 8000:
1378         case 16000:
1379         case 32000:
1380         case 48000:
1381         case 96000:
1382                 priv->sysclk = 19200000;
1383                 break;
1384         default:
1385                 dev_err(codec->dev, "unsupported rate %d\n", rate);
1386                 return -EINVAL;
1387         }
1388
1389         return 0;
1390 }
1391
1392 static int twl6040_prepare(struct snd_pcm_substream *substream,
1393                         struct snd_soc_dai *dai)
1394 {
1395         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1396         struct snd_soc_codec *codec = rtd->codec;
1397         struct twl6040 *twl6040 = codec->control_data;
1398         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1399         int ret;
1400
1401         if (!priv->sysclk) {
1402                 dev_err(codec->dev,
1403                         "no mclk configured, call set_sysclk() on init\n");
1404                 return -EINVAL;
1405         }
1406
1407         ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1408         if (ret) {
1409                 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1410                 return -EPERM;
1411         }
1412
1413         return 0;
1414 }
1415
1416 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1417                 int clk_id, unsigned int freq, int dir)
1418 {
1419         struct snd_soc_codec *codec = codec_dai->codec;
1420         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1421
1422         switch (clk_id) {
1423         case TWL6040_SYSCLK_SEL_LPPLL:
1424         case TWL6040_SYSCLK_SEL_HPPLL:
1425                 priv->pll = clk_id;
1426                 priv->clk_in = freq;
1427                 break;
1428         default:
1429                 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1430                 return -EINVAL;
1431         }
1432
1433         return 0;
1434 }
1435
1436 static const struct snd_soc_dai_ops twl6040_dai_ops = {
1437         .startup        = twl6040_startup,
1438         .hw_params      = twl6040_hw_params,
1439         .prepare        = twl6040_prepare,
1440         .set_sysclk     = twl6040_set_dai_sysclk,
1441 };
1442
1443 static struct snd_soc_dai_driver twl6040_dai[] = {
1444 {
1445         .name = "twl6040-legacy",
1446         .playback = {
1447                 .stream_name = "Playback",
1448                 .channels_min = 1,
1449                 .channels_max = 5,
1450                 .rates = TWL6040_RATES,
1451                 .formats = TWL6040_FORMATS,
1452         },
1453         .capture = {
1454                 .stream_name = "Capture",
1455                 .channels_min = 1,
1456                 .channels_max = 2,
1457                 .rates = TWL6040_RATES,
1458                 .formats = TWL6040_FORMATS,
1459         },
1460         .ops = &twl6040_dai_ops,
1461 },
1462 {
1463         .name = "twl6040-ul",
1464         .capture = {
1465                 .stream_name = "Capture",
1466                 .channels_min = 1,
1467                 .channels_max = 2,
1468                 .rates = TWL6040_RATES,
1469                 .formats = TWL6040_FORMATS,
1470         },
1471         .ops = &twl6040_dai_ops,
1472 },
1473 {
1474         .name = "twl6040-dl1",
1475         .playback = {
1476                 .stream_name = "Headset Playback",
1477                 .channels_min = 1,
1478                 .channels_max = 2,
1479                 .rates = TWL6040_RATES,
1480                 .formats = TWL6040_FORMATS,
1481         },
1482         .ops = &twl6040_dai_ops,
1483 },
1484 {
1485         .name = "twl6040-dl2",
1486         .playback = {
1487                 .stream_name = "Handsfree Playback",
1488                 .channels_min = 1,
1489                 .channels_max = 2,
1490                 .rates = TWL6040_RATES,
1491                 .formats = TWL6040_FORMATS,
1492         },
1493         .ops = &twl6040_dai_ops,
1494 },
1495 {
1496         .name = "twl6040-vib",
1497         .playback = {
1498                 .stream_name = "Vibra Playback",
1499                 .channels_min = 1,
1500                 .channels_max = 1,
1501                 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1502                 .formats = TWL6040_FORMATS,
1503         },
1504         .ops = &twl6040_dai_ops,
1505 },
1506 };
1507
1508 #ifdef CONFIG_PM
1509 static int twl6040_suspend(struct snd_soc_codec *codec)
1510 {
1511         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1512
1513         return 0;
1514 }
1515
1516 static int twl6040_resume(struct snd_soc_codec *codec)
1517 {
1518         twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1519         twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
1520
1521         return 0;
1522 }
1523 #else
1524 #define twl6040_suspend NULL
1525 #define twl6040_resume NULL
1526 #endif
1527
1528 static int twl6040_probe(struct snd_soc_codec *codec)
1529 {
1530         struct twl6040_data *priv;
1531         struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
1532         struct platform_device *pdev = container_of(codec->dev,
1533                                                    struct platform_device, dev);
1534         int ret = 0;
1535
1536         priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
1537         if (priv == NULL)
1538                 return -ENOMEM;
1539         snd_soc_codec_set_drvdata(codec, priv);
1540
1541         priv->codec = codec;
1542         codec->control_data = dev_get_drvdata(codec->dev->parent);
1543
1544         if (pdata && pdata->hs_left_step && pdata->hs_right_step) {
1545                 priv->hs_left_step = pdata->hs_left_step;
1546                 priv->hs_right_step = pdata->hs_right_step;
1547         } else {
1548                 priv->hs_left_step = 1;
1549                 priv->hs_right_step = 1;
1550         }
1551
1552         if (pdata && pdata->hf_left_step && pdata->hf_right_step) {
1553                 priv->hf_left_step = pdata->hf_left_step;
1554                 priv->hf_right_step = pdata->hf_right_step;
1555         } else {
1556                 priv->hf_left_step = 1;
1557                 priv->hf_right_step = 1;
1558         }
1559
1560         priv->plug_irq = platform_get_irq(pdev, 0);
1561         if (priv->plug_irq < 0) {
1562                 dev_err(codec->dev, "invalid irq\n");
1563                 ret = -EINVAL;
1564                 goto work_err;
1565         }
1566
1567         priv->workqueue = alloc_workqueue("twl6040-codec", 0, 0);
1568         if (!priv->workqueue) {
1569                 ret = -ENOMEM;
1570                 goto work_err;
1571         }
1572
1573         INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1574         INIT_DELAYED_WORK(&priv->headset.work, twl6040_pga_hs_work);
1575         INIT_DELAYED_WORK(&priv->handsfree.work, twl6040_pga_hf_work);
1576
1577         mutex_init(&priv->mutex);
1578
1579         init_completion(&priv->headset.ramp_done);
1580         init_completion(&priv->handsfree.ramp_done);
1581
1582         ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler,
1583                                    0, "twl6040_irq_plug", codec);
1584         if (ret) {
1585                 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1586                 goto plugirq_err;
1587         }
1588
1589         twl6040_init_chip(codec);
1590
1591         /* power on device */
1592         ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1593         if (!ret)
1594                 return 0;
1595
1596         /* Error path */
1597         free_irq(priv->plug_irq, codec);
1598 plugirq_err:
1599         destroy_workqueue(priv->workqueue);
1600 work_err:
1601         kfree(priv);
1602         return ret;
1603 }
1604
1605 static int twl6040_remove(struct snd_soc_codec *codec)
1606 {
1607         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1608
1609         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1610         free_irq(priv->plug_irq, codec);
1611         destroy_workqueue(priv->workqueue);
1612         kfree(priv);
1613
1614         return 0;
1615 }
1616
1617 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1618         .probe = twl6040_probe,
1619         .remove = twl6040_remove,
1620         .suspend = twl6040_suspend,
1621         .resume = twl6040_resume,
1622         .read = twl6040_read_reg_cache,
1623         .write = twl6040_write,
1624         .set_bias_level = twl6040_set_bias_level,
1625         .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1626         .reg_word_size = sizeof(u8),
1627         .reg_cache_default = twl6040_reg,
1628         .ignore_pmdown_time = true,
1629
1630         .controls = twl6040_snd_controls,
1631         .num_controls = ARRAY_SIZE(twl6040_snd_controls),
1632         .dapm_widgets = twl6040_dapm_widgets,
1633         .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
1634         .dapm_routes = intercon,
1635         .num_dapm_routes = ARRAY_SIZE(intercon),
1636 };
1637
1638 static int __devinit twl6040_codec_probe(struct platform_device *pdev)
1639 {
1640         return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1641                                       twl6040_dai, ARRAY_SIZE(twl6040_dai));
1642 }
1643
1644 static int __devexit twl6040_codec_remove(struct platform_device *pdev)
1645 {
1646         snd_soc_unregister_codec(&pdev->dev);
1647         return 0;
1648 }
1649
1650 static struct platform_driver twl6040_codec_driver = {
1651         .driver = {
1652                 .name = "twl6040-codec",
1653                 .owner = THIS_MODULE,
1654         },
1655         .probe = twl6040_codec_probe,
1656         .remove = __devexit_p(twl6040_codec_remove),
1657 };
1658
1659 module_platform_driver(twl6040_codec_driver);
1660
1661 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1662 MODULE_AUTHOR("Misael Lopez Cruz");
1663 MODULE_LICENSE("GPL");