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         u16 mute;
  76         struct completion ramp_done;
  77 };
  78
  79 struct twl6040_jack_data {
  80         struct snd_soc_jack *jack;
  81         int report;
  82 };
  83
  84 /* codec private data */
  85 struct twl6040_data {
  86         int plug_irq;
  87         int codec_powered;
  88         int pll;
  89         int non_lp;
  90         int pll_power_mode;
  91         int hs_power_mode;
  92         int hs_power_mode_locked;
  93         unsigned int clk_in;
  94         unsigned int sysclk;
  95         u16 hs_left_step;
  96         u16 hs_right_step;
  97         u16 hf_left_step;
  98         u16 hf_right_step;
  99         struct twl6040_jack_data hs_jack;
 100         struct snd_soc_codec *codec;
 101         struct workqueue_struct *workqueue;
 102         struct delayed_work delayed_work;
 103         struct mutex mutex;
 104         struct twl6040_output headset;
 105         struct twl6040_output handsfree;
 106         struct workqueue_struct *hf_workqueue;
 107         struct workqueue_struct *hs_workqueue;
 108         struct delayed_work hs_delayed_work;
 109         struct delayed_work hf_delayed_work;
 110 };
 111
 112 /*
 113  * twl6040 register cache & default register settings
 114  */
 115 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
 116         0x00, /* not used       0x00    */
 117         0x4B, /* REG_ASICID     0x01 (ro) */
 118         0x00, /* REG_ASICREV    0x02 (ro) */
 119         0x00, /* REG_INTID      0x03    */
 120         0x00, /* REG_INTMR      0x04    */
 121         0x00, /* REG_NCPCTRL    0x05    */
 122         0x00, /* REG_LDOCTL     0x06    */
 123         0x60, /* REG_HPPLLCTL   0x07    */
 124         0x00, /* REG_LPPLLCTL   0x08    */
 125         0x4A, /* REG_LPPLLDIV   0x09    */
 126         0x00, /* REG_AMICBCTL   0x0A    */
 127         0x00, /* REG_DMICBCTL   0x0B    */
 128         0x00, /* REG_MICLCTL    0x0C    */
 129         0x00, /* REG_MICRCTL    0x0D    */
 130         0x00, /* REG_MICGAIN    0x0E    */
 131         0x1B, /* REG_LINEGAIN   0x0F    */
 132         0x00, /* REG_HSLCTL     0x10    */
 133         0x00, /* REG_HSRCTL     0x11    */
 134         0x00, /* REG_HSGAIN     0x12    */
 135         0x00, /* REG_EARCTL     0x13    */
 136         0x00, /* REG_HFLCTL     0x14    */
 137         0x00, /* REG_HFLGAIN    0x15    */
 138         0x00, /* REG_HFRCTL     0x16    */
 139         0x00, /* REG_HFRGAIN    0x17    */
 140         0x00, /* REG_VIBCTLL    0x18    */
 141         0x00, /* REG_VIBDATL    0x19    */
 142         0x00, /* REG_VIBCTLR    0x1A    */
 143         0x00, /* REG_VIBDATR    0x1B    */
 144         0x00, /* REG_HKCTL1     0x1C    */
 145         0x00, /* REG_HKCTL2     0x1D    */
 146         0x00, /* REG_GPOCTL     0x1E    */
 147         0x00, /* REG_ALB        0x1F    */
 148         0x00, /* REG_DLB        0x20    */
 149         0x00, /* not used       0x21    */
 150         0x00, /* not used       0x22    */
 151         0x00, /* not used       0x23    */
 152         0x00, /* not used       0x24    */
 153         0x00, /* not used       0x25    */
 154         0x00, /* not used       0x26    */
 155         0x00, /* not used       0x27    */
 156         0x00, /* REG_TRIM1      0x28    */
 157         0x00, /* REG_TRIM2      0x29    */
 158         0x00, /* REG_TRIM3      0x2A    */
 159         0x00, /* REG_HSOTRIM    0x2B    */
 160         0x00, /* REG_HFOTRIM    0x2C    */
 161         0x09, /* REG_ACCCTL     0x2D    */
 162         0x00, /* REG_STATUS     0x2E (ro) */
 163
 164         0x00, /* REG_SW_SHADOW  0x2F - Shadow, non HW register */
 165 };
 166
 167 /* List of registers to be restored after power up */
 168 static const int twl6040_restore_list[] = {
 169         TWL6040_REG_MICLCTL,
 170         TWL6040_REG_MICRCTL,
 171         TWL6040_REG_MICGAIN,
 172         TWL6040_REG_LINEGAIN,
 173         TWL6040_REG_HSLCTL,
 174         TWL6040_REG_HSRCTL,
 175         TWL6040_REG_HSGAIN,
 176         TWL6040_REG_EARCTL,
 177         TWL6040_REG_HFLCTL,
 178         TWL6040_REG_HFLGAIN,
 179         TWL6040_REG_HFRCTL,
 180         TWL6040_REG_HFRGAIN,
 181 };
 182
 183 /* set of rates for each pll: low-power and high-performance */
 184 static unsigned int lp_rates[] = {
 185         8000,
 186         11250,
 187         16000,
 188         22500,
 189         32000,
 190         44100,
 191         48000,
 192         88200,
 193         96000,
 194 };
 195
 196 static unsigned int hp_rates[] = {
 197         8000,
 198         16000,
 199         32000,
 200         48000,
 201         96000,
 202 };
 203
 204 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
 205         { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
 206         { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
 207 };
 208
 209 /*
 210  * read twl6040 register cache
 211  */
 212 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
 213                                                 unsigned int reg)
 214 {
 215         u8 *cache = codec->reg_cache;
 216
 217         if (reg >= TWL6040_CACHEREGNUM)
 218                 return -EIO;
 219
 220         return cache[reg];
 221 }
 222
 223 /*
 224  * write twl6040 register cache
 225  */
 226 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
 227                                                 u8 reg, u8 value)
 228 {
 229         u8 *cache = codec->reg_cache;
 230
 231         if (reg >= TWL6040_CACHEREGNUM)
 232                 return;
 233         cache[reg] = value;
 234 }
 235
 236 /*
 237  * read from twl6040 hardware register
 238  */
 239 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
 240                         unsigned int reg)
 241 {
 242         struct twl6040 *twl6040 = codec->control_data;
 243         u8 value;
 244
 245         if (reg >= TWL6040_CACHEREGNUM)
 246                 return -EIO;
 247
 248         if (likely(reg < TWL6040_REG_SW_SHADOW)) {
 249                 value = twl6040_reg_read(twl6040, reg);
 250                 twl6040_write_reg_cache(codec, reg, value);
 251         } else {
 252                 value = twl6040_read_reg_cache(codec, reg);
 253         }
 254
 255         return value;
 256 }
 257
 258 /*
 259  * write to the twl6040 register space
 260  */
 261 static int twl6040_write(struct snd_soc_codec *codec,
 262                         unsigned int reg, unsigned int value)
 263 {
 264         struct twl6040 *twl6040 = codec->control_data;
 265
 266         if (reg >= TWL6040_CACHEREGNUM)
 267                 return -EIO;
 268
 269         twl6040_write_reg_cache(codec, reg, value);
 270         if (likely(reg < TWL6040_REG_SW_SHADOW))
 271                 return twl6040_reg_write(twl6040, reg, value);
 272         else
 273                 return 0;
 274 }
 275
 276 static void twl6040_init_chip(struct snd_soc_codec *codec)
 277 {
 278         struct twl6040 *twl6040 = codec->control_data;
 279         u8 val;
 280
 281         val = twl6040_get_revid(twl6040);
 282         twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
 283
 284         /* Change chip defaults */
 285         /* No imput selected for microphone amplifiers */
 286         twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
 287         twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
 288
 289         /*
 290          * We need to lower the default gain values, so the ramp code
 291          * can work correctly for the first playback.
 292          * This reduces the pop noise heard at the first playback.
 293          */
 294         twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff);
 295         twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e);
 296         twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d);
 297         twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d);
 298         twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0);
 299 }
 300
 301 static void twl6040_restore_regs(struct snd_soc_codec *codec)
 302 {
 303         u8 *cache = codec->reg_cache;
 304         int reg, i;
 305
 306         for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) {
 307                 reg = twl6040_restore_list[i];
 308                 twl6040_write(codec, reg, cache[reg]);
 309         }
 310 }
 311
 312 /*
 313  * Ramp HS PGA volume to minimise pops at stream startup and shutdown.
 314  */
 315 static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
 316                         unsigned int left_step, unsigned int right_step)
 317 {
 318
 319         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 320         struct twl6040_output *headset = &priv->headset;
 321         int left_complete = 0, right_complete = 0;
 322         u8 reg, val;
 323
 324         /* left channel */
 325         left_step = (left_step > 0xF) ? 0xF : left_step;
 326         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
 327         val = (~reg & TWL6040_HSL_VOL_MASK);
 328
 329         if (headset->ramp == TWL6040_RAMP_UP) {
 330                 /* ramp step up */
 331                 if (val < headset->left_vol) {
 332                         if (val + left_step > headset->left_vol)
 333                                 val = headset->left_vol;
 334                         else
 335                                 val += left_step;
 336
 337                         reg &= ~TWL6040_HSL_VOL_MASK;
 338                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 339                                         (reg | (~val & TWL6040_HSL_VOL_MASK)));
 340                 } else {
 341                         left_complete = 1;
 342                 }
 343         } else if (headset->ramp == TWL6040_RAMP_DOWN) {
 344                 /* ramp step down */
 345                 if (val > 0x0) {
 346                         if ((int)val - (int)left_step < 0)
 347                                 val = 0;
 348                         else
 349                                 val -= left_step;
 350
 351                         reg &= ~TWL6040_HSL_VOL_MASK;
 352                         twl6040_write(codec, TWL6040_REG_HSGAIN, reg |
 353                                                 (~val & TWL6040_HSL_VOL_MASK));
 354                 } else {
 355                         left_complete = 1;
 356                 }
 357         }
 358
 359         /* right channel */
 360         right_step = (right_step > 0xF) ? 0xF : right_step;
 361         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
 362         val = (~reg & TWL6040_HSR_VOL_MASK) >> TWL6040_HSR_VOL_SHIFT;
 363
 364         if (headset->ramp == TWL6040_RAMP_UP) {
 365                 /* ramp step up */
 366                 if (val < headset->right_vol) {
 367                         if (val + right_step > headset->right_vol)
 368                                 val = headset->right_vol;
 369                         else
 370                                 val += right_step;
 371
 372                         reg &= ~TWL6040_HSR_VOL_MASK;
 373                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 374                                 (reg | (~val << TWL6040_HSR_VOL_SHIFT)));
 375                 } else {
 376                         right_complete = 1;
 377                 }
 378         } else if (headset->ramp == TWL6040_RAMP_DOWN) {
 379                 /* ramp step down */
 380                 if (val > 0x0) {
 381                         if ((int)val - (int)right_step < 0)
 382                                 val = 0;
 383                         else
 384                                 val -= right_step;
 385
 386                         reg &= ~TWL6040_HSR_VOL_MASK;
 387                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 388                                          reg | (~val << TWL6040_HSR_VOL_SHIFT));
 389                 } else {
 390                         right_complete = 1;
 391                 }
 392         }
 393
 394         return left_complete & right_complete;
 395 }
 396
 397 /*
 398  * Ramp HF PGA volume to minimise pops at stream startup and shutdown.
 399  */
 400 static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
 401                         unsigned int left_step, unsigned int right_step)
 402 {
 403         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 404         struct twl6040_output *handsfree = &priv->handsfree;
 405         int left_complete = 0, right_complete = 0;
 406         u16 reg, val;
 407
 408         /* left channel */
 409         left_step = (left_step > 0x1D) ? 0x1D : left_step;
 410         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFLGAIN);
 411         reg = 0x1D - reg;
 412         val = (reg & TWL6040_HF_VOL_MASK);
 413         if (handsfree->ramp == TWL6040_RAMP_UP) {
 414                 /* ramp step up */
 415                 if (val < handsfree->left_vol) {
 416                         if (val + left_step > handsfree->left_vol)
 417                                 val = handsfree->left_vol;
 418                         else
 419                                 val += left_step;
 420
 421                         reg &= ~TWL6040_HF_VOL_MASK;
 422                         twl6040_write(codec, TWL6040_REG_HFLGAIN,
 423                                                 reg | (0x1D - val));
 424                 } else {
 425                         left_complete = 1;
 426                 }
 427         } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 428                 /* ramp step down */
 429                 if (val > 0) {
 430                         if ((int)val - (int)left_step < 0)
 431                                 val = 0;
 432                         else
 433                                 val -= left_step;
 434
 435                         reg &= ~TWL6040_HF_VOL_MASK;
 436                         twl6040_write(codec, TWL6040_REG_HFLGAIN,
 437                                                 reg | (0x1D - val));
 438                 } else {
 439                         left_complete = 1;
 440                 }
 441         }
 442
 443         /* right channel */
 444         right_step = (right_step > 0x1D) ? 0x1D : right_step;
 445         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFRGAIN);
 446         reg = 0x1D - reg;
 447         val = (reg & TWL6040_HF_VOL_MASK);
 448         if (handsfree->ramp == TWL6040_RAMP_UP) {
 449                 /* ramp step up */
 450                 if (val < handsfree->right_vol) {
 451                         if (val + right_step > handsfree->right_vol)
 452                                 val = handsfree->right_vol;
 453                         else
 454                                 val += right_step;
 455
 456                         reg &= ~TWL6040_HF_VOL_MASK;
 457                         twl6040_write(codec, TWL6040_REG_HFRGAIN,
 458                                                 reg | (0x1D - val));
 459                 } else {
 460                         right_complete = 1;
 461                 }
 462         } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 463                 /* ramp step down */
 464                 if (val > 0) {
 465                         if ((int)val - (int)right_step < 0)
 466                                 val = 0;
 467                         else
 468                                 val -= right_step;
 469
 470                         reg &= ~TWL6040_HF_VOL_MASK;
 471                         twl6040_write(codec, TWL6040_REG_HFRGAIN,
 472                                                 reg | (0x1D - val));
 473                 }
 474         }
 475
 476         return left_complete & right_complete;
 477 }
 478
 479 /*
 480  * This work ramps both output PGAs at stream start/stop time to
 481  * minimise pop associated with DAPM power switching.
 482  */
 483 static void twl6040_pga_hs_work(struct work_struct *work)
 484 {
 485         struct twl6040_data *priv =
 486                 container_of(work, struct twl6040_data, hs_delayed_work.work);
 487         struct snd_soc_codec *codec = priv->codec;
 488         struct twl6040_output *headset = &priv->headset;
 489         unsigned int delay = headset->step_delay;
 490         int i, headset_complete;
 491
 492         /* do we need to ramp at all ? */
 493         if (headset->ramp == TWL6040_RAMP_NONE)
 494                 return;
 495
 496         /* HS PGA volumes have 4 bits of resolution to ramp */
 497         for (i = 0; i <= 16; i++) {
 498                 headset_complete = twl6040_hs_ramp_step(codec,
 499                                                 headset->left_step,
 500                                                 headset->right_step);
 501
 502                 /* ramp finished ? */
 503                 if (headset_complete)
 504                         break;
 505
 506                 /*
 507                  * TODO: tune: delay is longer over 0dB
 508                  * as increases are larger.
 509                  */
 510                 if (i >= 8)
 511                         schedule_timeout_interruptible(msecs_to_jiffies(delay +
 512                                                         (delay >> 1)));
 513                 else
 514                         schedule_timeout_interruptible(msecs_to_jiffies(delay));
 515         }
 516
 517         if (headset->ramp == TWL6040_RAMP_DOWN) {
 518                 headset->active = 0;
 519                 complete(&headset->ramp_done);
 520         } else {
 521                 headset->active = 1;
 522         }
 523         headset->ramp = TWL6040_RAMP_NONE;
 524 }
 525
 526 static void twl6040_pga_hf_work(struct work_struct *work)
 527 {
 528         struct twl6040_data *priv =
 529                 container_of(work, struct twl6040_data, hf_delayed_work.work);
 530         struct snd_soc_codec *codec = priv->codec;
 531         struct twl6040_output *handsfree = &priv->handsfree;
 532         unsigned int delay = handsfree->step_delay;
 533         int i, handsfree_complete;
 534
 535         /* do we need to ramp at all ? */
 536         if (handsfree->ramp == TWL6040_RAMP_NONE)
 537                 return;
 538
 539         /* HF PGA volumes have 5 bits of resolution to ramp */
 540         for (i = 0; i <= 32; i++) {
 541                 handsfree_complete = twl6040_hf_ramp_step(codec,
 542                                                 handsfree->left_step,
 543                                                 handsfree->right_step);
 544
 545                 /* ramp finished ? */
 546                 if (handsfree_complete)
 547                         break;
 548
 549                 /*
 550                  * TODO: tune: delay is longer over 0dB
 551                  * as increases are larger.
 552                  */
 553                 if (i >= 16)
 554                         schedule_timeout_interruptible(msecs_to_jiffies(delay +
 555                                                        (delay >> 1)));
 556                 else
 557                         schedule_timeout_interruptible(msecs_to_jiffies(delay));
 558         }
 559
 560
 561         if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 562                 handsfree->active = 0;
 563                 complete(&handsfree->ramp_done);
 564         } else
 565                 handsfree->active = 1;
 566         handsfree->ramp = TWL6040_RAMP_NONE;
 567 }
 568
 569 static int pga_event(struct snd_soc_dapm_widget *w,
 570                         struct snd_kcontrol *kcontrol, int event)
 571 {
 572         struct snd_soc_codec *codec = w->codec;
 573         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 574         struct twl6040_output *out;
 575         struct delayed_work *work;
 576         struct workqueue_struct *queue;
 577
 578         switch (w->shift) {
 579         case 2:
 580         case 3:
 581                 out = &priv->headset;
 582                 work = &priv->hs_delayed_work;
 583                 queue = priv->hs_workqueue;
 584                 out->left_step = priv->hs_left_step;
 585                 out->right_step = priv->hs_right_step;
 586                 out->step_delay = 5;    /* 5 ms between volume ramp steps */
 587                 break;
 588         case 4:
 589                 out = &priv->handsfree;
 590                 work = &priv->hf_delayed_work;
 591                 queue = priv->hf_workqueue;
 592                 out->left_step = priv->hf_left_step;
 593                 out->right_step = priv->hf_right_step;
 594                 out->step_delay = 5;    /* 5 ms between volume ramp steps */
 595                 if (SND_SOC_DAPM_EVENT_ON(event))
 596                         priv->non_lp++;
 597                 else
 598                         priv->non_lp--;
 599                 break;
 600         default:
 601                 return -1;
 602         }
 603
 604         switch (event) {
 605         case SND_SOC_DAPM_POST_PMU:
 606                 if (out->active)
 607                         break;
 608
 609                 /* don't use volume ramp for power-up */
 610                 out->left_step = out->left_vol;
 611                 out->right_step = out->right_vol;
 612
 613                 if (!delayed_work_pending(work)) {
 614                         out->ramp = TWL6040_RAMP_UP;
 615                         queue_delayed_work(queue, work,
 616                                         msecs_to_jiffies(1));
 617                 }
 618                 break;
 619
 620         case SND_SOC_DAPM_PRE_PMD:
 621                 if (!out->active)
 622                         break;
 623
 624                 if (!delayed_work_pending(work)) {
 625                         /* use volume ramp for power-down */
 626                         out->ramp = TWL6040_RAMP_DOWN;
 627                         INIT_COMPLETION(out->ramp_done);
 628
 629                         queue_delayed_work(queue, work,
 630                                         msecs_to_jiffies(1));
 631
 632                         wait_for_completion_timeout(&out->ramp_done,
 633                                         msecs_to_jiffies(2000));
 634                 }
 635                 break;
 636         }
 637
 638         return 0;
 639 }
 640
 641 /* set headset dac and driver power mode */
 642 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
 643 {
 644         int hslctl, hsrctl;
 645         int mask = TWL6040_HSDRVMODEL | TWL6040_HSDACMODEL;
 646
 647         hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
 648         hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
 649
 650         if (high_perf) {
 651                 hslctl &= ~mask;
 652                 hsrctl &= ~mask;
 653         } else {
 654                 hslctl |= mask;
 655                 hsrctl |= mask;
 656         }
 657
 658         twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
 659         twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
 660
 661         return 0;
 662 }
 663
 664 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
 665                         struct snd_kcontrol *kcontrol, int event)
 666 {
 667         msleep(1);
 668         return 0;
 669 }
 670
 671 static int twl6040_power_mode_event(struct snd_soc_dapm_widget *w,
 672                         struct snd_kcontrol *kcontrol, int event)
 673 {
 674         struct snd_soc_codec *codec = w->codec;
 675         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 676         int ret = 0;
 677
 678         if (SND_SOC_DAPM_EVENT_ON(event)) {
 679                 priv->non_lp++;
 680                 if (!strcmp(w->name, "Earphone Driver")) {
 681                         /* Earphone doesn't support low power mode */
 682                         priv->hs_power_mode_locked = 1;
 683                         ret = headset_power_mode(codec, 1);
 684                 }
 685         } else {
 686                 priv->non_lp--;
 687                 if (!strcmp(w->name, "Earphone Driver")) {
 688                         priv->hs_power_mode_locked = 0;
 689                         ret = headset_power_mode(codec, priv->hs_power_mode);
 690                 }
 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, delayed_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 *twl6040 = codec->control_data;
 744         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 745         u8 intid;
 746
 747         intid = twl6040_reg_read(twl6040, TWL6040_REG_INTID);
 748
 749         if ((intid & TWL6040_PLUGINT) || (intid & TWL6040_UNPLUGINT))
 750                 queue_delayed_work(priv->workqueue, &priv->delayed_work,
 751                                                         msecs_to_jiffies(200));
 752
 753         return IRQ_HANDLED;
 754 }
 755
 756 static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
 757                                   struct snd_ctl_elem_value *ucontrol)
 758 {
 759         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 760         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 761         struct twl6040_output *out = NULL;
 762         struct soc_mixer_control *mc =
 763                 (struct soc_mixer_control *)kcontrol->private_value;
 764         int ret;
 765         unsigned int reg = mc->reg;
 766
 767         /* For HS and HF we shadow the values and only actually write
 768          * them out when active in order to ensure the amplifier comes on
 769          * as quietly as possible. */
 770         switch (reg) {
 771         case TWL6040_REG_HSGAIN:
 772                 out = &twl6040_priv->headset;
 773                 break;
 774         default:
 775                 break;
 776         }
 777
 778         if (out) {
 779                 out->left_vol = ucontrol->value.integer.value[0];
 780                 out->right_vol = ucontrol->value.integer.value[1];
 781                 if (!out->active)
 782                         return 1;
 783         }
 784
 785         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 786         if (ret < 0)
 787                 return ret;
 788
 789         return 1;
 790 }
 791
 792 static int twl6040_get_volsw(struct snd_kcontrol *kcontrol,
 793                                 struct snd_ctl_elem_value *ucontrol)
 794 {
 795         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 796         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 797         struct twl6040_output *out = &twl6040_priv->headset;
 798         struct soc_mixer_control *mc =
 799                 (struct soc_mixer_control *)kcontrol->private_value;
 800         unsigned int reg = mc->reg;
 801
 802         switch (reg) {
 803         case TWL6040_REG_HSGAIN:
 804                 out = &twl6040_priv->headset;
 805                 ucontrol->value.integer.value[0] = out->left_vol;
 806                 ucontrol->value.integer.value[1] = out->right_vol;
 807                 return 0;
 808
 809         default:
 810                 break;
 811         }
 812
 813         return snd_soc_get_volsw(kcontrol, ucontrol);
 814 }
 815
 816 static int twl6040_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
 817                                   struct snd_ctl_elem_value *ucontrol)
 818 {
 819         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 820         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 821         struct twl6040_output *out = NULL;
 822         struct soc_mixer_control *mc =
 823                 (struct soc_mixer_control *)kcontrol->private_value;
 824         int ret;
 825         unsigned int reg = mc->reg;
 826
 827         /* For HS and HF we shadow the values and only actually write
 828          * them out when active in order to ensure the amplifier comes on
 829          * as quietly as possible. */
 830         switch (reg) {
 831         case TWL6040_REG_HFLGAIN:
 832         case TWL6040_REG_HFRGAIN:
 833                 out = &twl6040_priv->handsfree;
 834                 break;
 835         default:
 836                 break;
 837         }
 838
 839         if (out) {
 840                 out->left_vol = ucontrol->value.integer.value[0];
 841                 out->right_vol = ucontrol->value.integer.value[1];
 842                 if (!out->active)
 843                         return 1;
 844         }
 845
 846         ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
 847         if (ret < 0)
 848                 return ret;
 849
 850         return 1;
 851 }
 852
 853 static int twl6040_get_volsw_2r(struct snd_kcontrol *kcontrol,
 854                                 struct snd_ctl_elem_value *ucontrol)
 855 {
 856         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 857         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 858         struct twl6040_output *out = &twl6040_priv->handsfree;
 859         struct soc_mixer_control *mc =
 860                 (struct soc_mixer_control *)kcontrol->private_value;
 861         unsigned int reg = mc->reg;
 862
 863         /* If these are cached registers use the cache */
 864         switch (reg) {
 865         case TWL6040_REG_HFLGAIN:
 866         case TWL6040_REG_HFRGAIN:
 867                 out = &twl6040_priv->handsfree;
 868                 ucontrol->value.integer.value[0] = out->left_vol;
 869                 ucontrol->value.integer.value[1] = out->right_vol;
 870                 return 0;
 871
 872         default:
 873                 break;
 874         }
 875
 876         return snd_soc_get_volsw_2r(kcontrol, ucontrol);
 877 }
 878
 879 /* double control with volume update */
 880 #define SOC_TWL6040_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax,\
 881                                                         xinvert, tlv_array)\
 882 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 883         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 884                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 885         .tlv.p = (tlv_array), \
 886         .info = snd_soc_info_volsw, .get = twl6040_get_volsw, \
 887         .put = twl6040_put_volsw, \
 888         .private_value = (unsigned long)&(struct soc_mixer_control) \
 889                 {.reg = xreg, .shift = shift_left, .rshift = shift_right,\
 890                  .max = xmax, .platform_max = xmax, .invert = xinvert} }
 891
 892 /* double control with volume update */
 893 #define SOC_TWL6040_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax,\
 894                                 xinvert, tlv_array)\
 895 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 896         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 897                 SNDRV_CTL_ELEM_ACCESS_READWRITE | \
 898                 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
 899         .tlv.p = (tlv_array), \
 900         .info = snd_soc_info_volsw_2r, \
 901         .get = twl6040_get_volsw_2r, .put = twl6040_put_volsw_2r_vu, \
 902         .private_value = (unsigned long)&(struct soc_mixer_control) \
 903                 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
 904                  .rshift = xshift, .max = xmax, .invert = xinvert}, }
 905
 906 /*
 907  * MICATT volume control:
 908  * from -6 to 0 dB in 6 dB steps
 909  */
 910 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
 911
 912 /*
 913  * MICGAIN volume control:
 914  * from 6 to 30 dB in 6 dB steps
 915  */
 916 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
 917
 918 /*
 919  * AFMGAIN volume control:
 920  * from -18 to 24 dB in 6 dB steps
 921  */
 922 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
 923
 924 /*
 925  * HSGAIN volume control:
 926  * from -30 to 0 dB in 2 dB steps
 927  */
 928 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
 929
 930 /*
 931  * HFGAIN volume control:
 932  * from -52 to 6 dB in 2 dB steps
 933  */
 934 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
 935
 936 /*
 937  * EPGAIN volume control:
 938  * from -24 to 6 dB in 2 dB steps
 939  */
 940 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
 941
 942 /* Left analog microphone selection */
 943 static const char *twl6040_amicl_texts[] =
 944         {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
 945
 946 /* Right analog microphone selection */
 947 static const char *twl6040_amicr_texts[] =
 948         {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
 949
 950 static const struct soc_enum twl6040_enum[] = {
 951         SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
 952         SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
 953 };
 954
 955 static const char *twl6040_hs_texts[] = {
 956         "Off", "HS DAC", "Line-In amp"
 957 };
 958
 959 static const struct soc_enum twl6040_hs_enum[] = {
 960         SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 961                         twl6040_hs_texts),
 962         SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 963                         twl6040_hs_texts),
 964 };
 965
 966 static const char *twl6040_hf_texts[] = {
 967         "Off", "HF DAC", "Line-In amp"
 968 };
 969
 970 static const struct soc_enum twl6040_hf_enum[] = {
 971         SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 972                         twl6040_hf_texts),
 973         SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 974                         twl6040_hf_texts),
 975 };
 976
 977 static const struct snd_kcontrol_new amicl_control =
 978         SOC_DAPM_ENUM("Route", twl6040_enum[0]);
 979
 980 static const struct snd_kcontrol_new amicr_control =
 981         SOC_DAPM_ENUM("Route", twl6040_enum[1]);
 982
 983 /* Headset DAC playback switches */
 984 static const struct snd_kcontrol_new hsl_mux_controls =
 985         SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
 986
 987 static const struct snd_kcontrol_new hsr_mux_controls =
 988         SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
 989
 990 /* Handsfree DAC playback switches */
 991 static const struct snd_kcontrol_new hfl_mux_controls =
 992         SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
 993
 994 static const struct snd_kcontrol_new hfr_mux_controls =
 995         SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
 996
 997 static const struct snd_kcontrol_new ep_path_enable_control =
 998         SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0);
 999
1000 /* Headset power mode */
1001 static const char *twl6040_power_mode_texts[] = {
1002         "Low-Power", "High-Perfomance",
1003 };
1004
1005 static const struct soc_enum twl6040_power_mode_enum =
1006         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
1007                         twl6040_power_mode_texts);
1008
1009 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
1010         struct snd_ctl_elem_value *ucontrol)
1011 {
1012         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1013         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1014
1015         ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
1016
1017         return 0;
1018 }
1019
1020 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
1021         struct snd_ctl_elem_value *ucontrol)
1022 {
1023         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1024         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1025         int high_perf = ucontrol->value.enumerated.item[0];
1026         int ret = 0;
1027
1028         if (!priv->hs_power_mode_locked)
1029                 ret = headset_power_mode(codec, high_perf);
1030
1031         if (!ret)
1032                 priv->hs_power_mode = high_perf;
1033
1034         return ret;
1035 }
1036
1037 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
1038         struct snd_ctl_elem_value *ucontrol)
1039 {
1040         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1041         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1042
1043         ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
1044
1045         return 0;
1046 }
1047
1048 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
1049         struct snd_ctl_elem_value *ucontrol)
1050 {
1051         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1052         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1053
1054         priv->pll_power_mode = ucontrol->value.enumerated.item[0];
1055
1056         return 0;
1057 }
1058
1059 int twl6040_get_clk_id(struct snd_soc_codec *codec)
1060 {
1061         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1062
1063         return priv->pll_power_mode;
1064 }
1065 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
1066
1067 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
1068         /* Capture gains */
1069         SOC_DOUBLE_TLV("Capture Preamplifier Volume",
1070                 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
1071         SOC_DOUBLE_TLV("Capture Volume",
1072                 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
1073
1074         /* AFM gains */
1075         SOC_DOUBLE_TLV("Aux FM Volume",
1076                 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
1077
1078         /* Playback gains */
1079         SOC_TWL6040_DOUBLE_TLV("Headset Playback Volume",
1080                 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
1081         SOC_TWL6040_DOUBLE_R_TLV("Handsfree Playback Volume",
1082                 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
1083         SOC_SINGLE_TLV("Earphone Playback Volume",
1084                 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
1085
1086         SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
1087                 twl6040_headset_power_get_enum,
1088                 twl6040_headset_power_put_enum),
1089
1090         SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
1091                 twl6040_pll_get_enum, twl6040_pll_put_enum),
1092 };
1093
1094 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
1095         /* Inputs */
1096         SND_SOC_DAPM_INPUT("MAINMIC"),
1097         SND_SOC_DAPM_INPUT("HSMIC"),
1098         SND_SOC_DAPM_INPUT("SUBMIC"),
1099         SND_SOC_DAPM_INPUT("AFML"),
1100         SND_SOC_DAPM_INPUT("AFMR"),
1101
1102         /* Outputs */
1103         SND_SOC_DAPM_OUTPUT("HSOL"),
1104         SND_SOC_DAPM_OUTPUT("HSOR"),
1105         SND_SOC_DAPM_OUTPUT("HFL"),
1106         SND_SOC_DAPM_OUTPUT("HFR"),
1107         SND_SOC_DAPM_OUTPUT("EP"),
1108
1109         /* Analog input muxes for the capture amplifiers */
1110         SND_SOC_DAPM_MUX("Analog Left Capture Route",
1111                         SND_SOC_NOPM, 0, 0, &amicl_control),
1112         SND_SOC_DAPM_MUX("Analog Right Capture Route",
1113                         SND_SOC_NOPM, 0, 0, &amicr_control),
1114
1115         /* Analog capture PGAs */
1116         SND_SOC_DAPM_PGA("MicAmpL",
1117                         TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
1118         SND_SOC_DAPM_PGA("MicAmpR",
1119                         TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
1120
1121         /* Auxiliary FM PGAs */
1122         SND_SOC_DAPM_PGA("AFMAmpL",
1123                         TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
1124         SND_SOC_DAPM_PGA("AFMAmpR",
1125                         TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
1126
1127         /* ADCs */
1128         SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
1129                         TWL6040_REG_MICLCTL, 2, 0),
1130         SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
1131                         TWL6040_REG_MICRCTL, 2, 0),
1132
1133         /* Microphone bias */
1134         SND_SOC_DAPM_MICBIAS("Headset Mic Bias",
1135                         TWL6040_REG_AMICBCTL, 0, 0),
1136         SND_SOC_DAPM_MICBIAS("Main Mic Bias",
1137                         TWL6040_REG_AMICBCTL, 4, 0),
1138         SND_SOC_DAPM_MICBIAS("Digital Mic1 Bias",
1139                         TWL6040_REG_DMICBCTL, 0, 0),
1140         SND_SOC_DAPM_MICBIAS("Digital Mic2 Bias",
1141                         TWL6040_REG_DMICBCTL, 4, 0),
1142
1143         /* DACs */
1144         SND_SOC_DAPM_DAC_E("HSDAC Left", "Headset Playback",
1145                         TWL6040_REG_HSLCTL, 0, 0,
1146                         twl6040_hs_dac_event,
1147                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1148         SND_SOC_DAPM_DAC_E("HSDAC Right", "Headset Playback",
1149                         TWL6040_REG_HSRCTL, 0, 0,
1150                         twl6040_hs_dac_event,
1151                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1152         SND_SOC_DAPM_DAC_E("HFDAC Left", "Handsfree Playback",
1153                         TWL6040_REG_HFLCTL, 0, 0,
1154                         twl6040_power_mode_event,
1155                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1156         SND_SOC_DAPM_DAC_E("HFDAC Right", "Handsfree Playback",
1157                         TWL6040_REG_HFRCTL, 0, 0,
1158                         twl6040_power_mode_event,
1159                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
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("HS Left Playback",
1167                         SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
1168         SND_SOC_DAPM_MUX("HS Right Playback",
1169                         SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
1170
1171         SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
1172                         &ep_path_enable_control),
1173
1174         /* Analog playback drivers */
1175         SND_SOC_DAPM_OUT_DRV_E("HF Left Driver",
1176                         TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
1177                         pga_event,
1178                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1179         SND_SOC_DAPM_OUT_DRV_E("HF Right Driver",
1180                         TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
1181                         pga_event,
1182                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1183         SND_SOC_DAPM_OUT_DRV_E("Headset Left Driver",
1184                         TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
1185                         pga_event,
1186                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1187         SND_SOC_DAPM_OUT_DRV_E("Headset Right Driver",
1188                         TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
1189                         pga_event,
1190                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1191         SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
1192                         TWL6040_REG_EARCTL, 0, 0, NULL, 0,
1193                         twl6040_power_mode_event,
1194                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1195
1196         /* Analog playback PGAs */
1197         SND_SOC_DAPM_PGA("HF Left PGA",
1198                         TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
1199         SND_SOC_DAPM_PGA("HF Right PGA",
1200                         TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
1201
1202 };
1203
1204 static const struct snd_soc_dapm_route intercon[] = {
1205         /* Capture path */
1206         {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
1207         {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
1208         {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
1209
1210         {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
1211         {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
1212         {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
1213
1214         {"MicAmpL", NULL, "Analog Left Capture Route"},
1215         {"MicAmpR", NULL, "Analog Right Capture Route"},
1216
1217         {"ADC Left", NULL, "MicAmpL"},
1218         {"ADC Right", NULL, "MicAmpR"},
1219
1220         /* AFM path */
1221         {"AFMAmpL", NULL, "AFML"},
1222         {"AFMAmpR", NULL, "AFMR"},
1223
1224         {"HS Left Playback", "HS DAC", "HSDAC Left"},
1225         {"HS Left Playback", "Line-In amp", "AFMAmpL"},
1226
1227         {"HS Right Playback", "HS DAC", "HSDAC Right"},
1228         {"HS Right Playback", "Line-In amp", "AFMAmpR"},
1229
1230         {"Headset Left Driver", NULL, "HS Left Playback"},
1231         {"Headset Right Driver", NULL, "HS Right Playback"},
1232
1233         {"HSOL", NULL, "Headset Left Driver"},
1234         {"HSOR", NULL, "Headset Right Driver"},
1235
1236         /* Earphone playback path */
1237         {"Earphone Playback", "Switch", "HSDAC Left"},
1238         {"Earphone Driver", NULL, "Earphone Playback"},
1239         {"EP", NULL, "Earphone Driver"},
1240
1241         {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
1242         {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
1243
1244         {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
1245         {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
1246
1247         {"HF Left PGA", NULL, "Handsfree Left Playback"},
1248         {"HF Right PGA", NULL, "Handsfree Right Playback"},
1249
1250         {"HF Left Driver", NULL, "HF Left PGA"},
1251         {"HF Right Driver", NULL, "HF Right PGA"},
1252
1253         {"HFL", NULL, "HF Left Driver"},
1254         {"HFR", NULL, "HF Right Driver"},
1255 };
1256
1257 static int twl6040_add_widgets(struct snd_soc_codec *codec)
1258 {
1259         struct snd_soc_dapm_context *dapm = &codec->dapm;
1260
1261         snd_soc_dapm_new_controls(dapm, twl6040_dapm_widgets,
1262                                  ARRAY_SIZE(twl6040_dapm_widgets));
1263         snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
1264         snd_soc_dapm_new_widgets(dapm);
1265
1266         return 0;
1267 }
1268
1269 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
1270                                 enum snd_soc_bias_level level)
1271 {
1272         struct twl6040 *twl6040 = codec->control_data;
1273         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1274         int ret;
1275
1276         switch (level) {
1277         case SND_SOC_BIAS_ON:
1278                 break;
1279         case SND_SOC_BIAS_PREPARE:
1280                 break;
1281         case SND_SOC_BIAS_STANDBY:
1282                 if (priv->codec_powered)
1283                         break;
1284
1285                 ret = twl6040_power(twl6040, 1);
1286                 if (ret)
1287                         return ret;
1288
1289                 priv->codec_powered = 1;
1290
1291                 twl6040_restore_regs(codec);
1292
1293                 /* Set external boost GPO */
1294                 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
1295                 break;
1296         case SND_SOC_BIAS_OFF:
1297                 if (!priv->codec_powered)
1298                         break;
1299
1300                 twl6040_power(twl6040, 0);
1301                 priv->codec_powered = 0;
1302                 break;
1303         }
1304
1305         codec->dapm.bias_level = level;
1306
1307         return 0;
1308 }
1309
1310 static int twl6040_startup(struct snd_pcm_substream *substream,
1311                         struct snd_soc_dai *dai)
1312 {
1313         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1314         struct snd_soc_codec *codec = rtd->codec;
1315         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1316
1317         snd_pcm_hw_constraint_list(substream->runtime, 0,
1318                                 SNDRV_PCM_HW_PARAM_RATE,
1319                                 &sysclk_constraints[priv->pll_power_mode]);
1320
1321         return 0;
1322 }
1323
1324 static int twl6040_hw_params(struct snd_pcm_substream *substream,
1325                         struct snd_pcm_hw_params *params,
1326                         struct snd_soc_dai *dai)
1327 {
1328         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1329         struct snd_soc_codec *codec = rtd->codec;
1330         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1331         int rate;
1332
1333         rate = params_rate(params);
1334         switch (rate) {
1335         case 11250:
1336         case 22500:
1337         case 44100:
1338         case 88200:
1339                 /* These rates are not supported when HPPLL is in use */
1340                 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
1341                         dev_err(codec->dev, "HPPLL does not support rate %d\n",
1342                                 rate);
1343                         return -EINVAL;
1344                 }
1345                 /* Capture is not supported with 17.64MHz sysclk */
1346                 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
1347                         dev_err(codec->dev,
1348                                 "capture mode is not supported at %dHz\n",
1349                                 rate);
1350                         return -EINVAL;
1351                 }
1352                 priv->sysclk = 17640000;
1353                 break;
1354         case 8000:
1355         case 16000:
1356         case 32000:
1357         case 48000:
1358         case 96000:
1359                 priv->sysclk = 19200000;
1360                 break;
1361         default:
1362                 dev_err(codec->dev, "unsupported rate %d\n", rate);
1363                 return -EINVAL;
1364         }
1365
1366         return 0;
1367 }
1368
1369 static int twl6040_prepare(struct snd_pcm_substream *substream,
1370                         struct snd_soc_dai *dai)
1371 {
1372         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1373         struct snd_soc_codec *codec = rtd->codec;
1374         struct twl6040 *twl6040 = codec->control_data;
1375         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1376         int ret;
1377
1378         if (!priv->sysclk) {
1379                 dev_err(codec->dev,
1380                         "no mclk configured, call set_sysclk() on init\n");
1381                 return -EINVAL;
1382         }
1383
1384         if ((priv->sysclk == 17640000) && priv->non_lp) {
1385                         dev_err(codec->dev,
1386                                 "some enabled paths aren't supported at %dHz\n",
1387                                 priv->sysclk);
1388                         return -EPERM;
1389         }
1390
1391         ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1392         if (ret) {
1393                 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1394                 return -EPERM;
1395         }
1396
1397         return 0;
1398 }
1399
1400 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1401                 int clk_id, unsigned int freq, int dir)
1402 {
1403         struct snd_soc_codec *codec = codec_dai->codec;
1404         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1405
1406         switch (clk_id) {
1407         case TWL6040_SYSCLK_SEL_LPPLL:
1408         case TWL6040_SYSCLK_SEL_HPPLL:
1409                 priv->pll = clk_id;
1410                 priv->clk_in = freq;
1411                 break;
1412         default:
1413                 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1414                 return -EINVAL;
1415         }
1416
1417         return 0;
1418 }
1419
1420 static struct snd_soc_dai_ops twl6040_dai_ops = {
1421         .startup        = twl6040_startup,
1422         .hw_params      = twl6040_hw_params,
1423         .prepare        = twl6040_prepare,
1424         .set_sysclk     = twl6040_set_dai_sysclk,
1425 };
1426
1427 static struct snd_soc_dai_driver twl6040_dai[] = {
1428 {
1429         .name = "twl6040-hifi",
1430         .playback = {
1431                 .stream_name = "Playback",
1432                 .channels_min = 1,
1433                 .channels_max = 5,
1434                 .rates = TWL6040_RATES,
1435                 .formats = TWL6040_FORMATS,
1436         },
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-ul",
1448         .capture = {
1449                 .stream_name = "Capture",
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-dl1",
1459         .playback = {
1460                 .stream_name = "Headset 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-dl2",
1470         .playback = {
1471                 .stream_name = "Handsfree Playback",
1472                 .channels_min = 1,
1473                 .channels_max = 2,
1474                 .rates = TWL6040_RATES,
1475                 .formats = TWL6040_FORMATS,
1476         },
1477         .ops = &twl6040_dai_ops,
1478 },
1479 {
1480         .name = "twl6040-vib",
1481         .playback = {
1482                 .stream_name = "Vibra Playback",
1483                 .channels_min = 1,
1484                 .channels_max = 1,
1485                 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1486                 .formats = TWL6040_FORMATS,
1487         },
1488         .ops = &twl6040_dai_ops,
1489 },
1490 };
1491
1492 #ifdef CONFIG_PM
1493 static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state)
1494 {
1495         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1496
1497         return 0;
1498 }
1499
1500 static int twl6040_resume(struct snd_soc_codec *codec)
1501 {
1502         twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1503         twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
1504
1505         return 0;
1506 }
1507 #else
1508 #define twl6040_suspend NULL
1509 #define twl6040_resume NULL
1510 #endif
1511
1512 static int twl6040_probe(struct snd_soc_codec *codec)
1513 {
1514         struct twl6040_data *priv;
1515         struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
1516         struct platform_device *pdev = container_of(codec->dev,
1517                                                    struct platform_device, dev);
1518         int ret = 0;
1519
1520         priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
1521         if (priv == NULL)
1522                 return -ENOMEM;
1523         snd_soc_codec_set_drvdata(codec, priv);
1524
1525         priv->codec = codec;
1526         codec->control_data = dev_get_drvdata(codec->dev->parent);
1527
1528         if (pdata && pdata->hs_left_step && pdata->hs_right_step) {
1529                 priv->hs_left_step = pdata->hs_left_step;
1530                 priv->hs_right_step = pdata->hs_right_step;
1531         } else {
1532                 priv->hs_left_step = 1;
1533                 priv->hs_right_step = 1;
1534         }
1535
1536         if (pdata && pdata->hf_left_step && pdata->hf_right_step) {
1537                 priv->hf_left_step = pdata->hf_left_step;
1538                 priv->hf_right_step = pdata->hf_right_step;
1539         } else {
1540                 priv->hf_left_step = 1;
1541                 priv->hf_right_step = 1;
1542         }
1543
1544         priv->plug_irq = platform_get_irq(pdev, 0);
1545         if (priv->plug_irq < 0) {
1546                 dev_err(codec->dev, "invalid irq\n");
1547                 ret = -EINVAL;
1548                 goto work_err;
1549         }
1550
1551         priv->workqueue = create_singlethread_workqueue("twl6040-codec");
1552         if (!priv->workqueue) {
1553                 ret = -ENOMEM;
1554                 goto work_err;
1555         }
1556
1557         INIT_DELAYED_WORK(&priv->delayed_work, twl6040_accessory_work);
1558
1559         mutex_init(&priv->mutex);
1560
1561         init_completion(&priv->headset.ramp_done);
1562         init_completion(&priv->handsfree.ramp_done);
1563
1564         priv->hf_workqueue = create_singlethread_workqueue("twl6040-hf");
1565         if (priv->hf_workqueue == NULL) {
1566                 ret = -ENOMEM;
1567                 goto hfwq_err;
1568         }
1569         priv->hs_workqueue = create_singlethread_workqueue("twl6040-hs");
1570         if (priv->hs_workqueue == NULL) {
1571                 ret = -ENOMEM;
1572                 goto hswq_err;
1573         }
1574
1575         INIT_DELAYED_WORK(&priv->hs_delayed_work, twl6040_pga_hs_work);
1576         INIT_DELAYED_WORK(&priv->hf_delayed_work, twl6040_pga_hf_work);
1577
1578         ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler,
1579                                    0, "twl6040_irq_plug", codec);
1580         if (ret) {
1581                 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1582                 goto plugirq_err;
1583         }
1584
1585         twl6040_init_chip(codec);
1586
1587         /* power on device */
1588         ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1589         if (ret)
1590                 goto bias_err;
1591
1592         snd_soc_add_controls(codec, twl6040_snd_controls,
1593                                 ARRAY_SIZE(twl6040_snd_controls));
1594         twl6040_add_widgets(codec);
1595
1596         return 0;
1597
1598 bias_err:
1599         free_irq(priv->plug_irq, codec);
1600 plugirq_err:
1601         destroy_workqueue(priv->hs_workqueue);
1602 hswq_err:
1603         destroy_workqueue(priv->hf_workqueue);
1604 hfwq_err:
1605         destroy_workqueue(priv->workqueue);
1606 work_err:
1607         kfree(priv);
1608         return ret;
1609 }
1610
1611 static int twl6040_remove(struct snd_soc_codec *codec)
1612 {
1613         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1614
1615         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1616         free_irq(priv->plug_irq, codec);
1617         destroy_workqueue(priv->workqueue);
1618         destroy_workqueue(priv->hf_workqueue);
1619         destroy_workqueue(priv->hs_workqueue);
1620         kfree(priv);
1621
1622         return 0;
1623 }
1624
1625 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1626         .probe = twl6040_probe,
1627         .remove = twl6040_remove,
1628         .suspend = twl6040_suspend,
1629         .resume = twl6040_resume,
1630         .read = twl6040_read_reg_cache,
1631         .write = twl6040_write,
1632         .set_bias_level = twl6040_set_bias_level,
1633         .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1634         .reg_word_size = sizeof(u8),
1635         .reg_cache_default = twl6040_reg,
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 static int __init twl6040_codec_init(void)
1660 {
1661         return platform_driver_register(&twl6040_codec_driver);
1662 }
1663 module_init(twl6040_codec_init);
1664
1665 static void __exit twl6040_codec_exit(void)
1666 {
1667         platform_driver_unregister(&twl6040_codec_driver);
1668 }
1669 module_exit(twl6040_codec_exit);
1670
1671 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1672 MODULE_AUTHOR("Misael Lopez Cruz");
1673 MODULE_LICENSE("GPL");