sound/soc/codecs/twl6040.c

   1 /*
   2  * ALSA SoC TWL6040 codec driver
   3  *
   4  * Author:       Misael Lopez Cruz <x0052729@ti.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * version 2 as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  18  * 02110-1301 USA
  19  *
  20  */
  21
  22 #include <linux/module.h>
  23 #include <linux/moduleparam.h>
  24 #include <linux/init.h>
  25 #include <linux/delay.h>
  26 #include <linux/pm.h>
  27 #include <linux/platform_device.h>
  28 #include <linux/slab.h>
  29 #include <linux/i2c/twl.h>
  30 #include <linux/mfd/twl6040.h>
  31
  32 #include <sound/core.h>
  33 #include <sound/pcm.h>
  34 #include <sound/pcm_params.h>
  35 #include <sound/soc.h>
  36 #include <sound/initval.h>
  37 #include <sound/tlv.h>
  38
  39 #include "twl6040.h"
  40
  41 #define TWL6040_RATES           SNDRV_PCM_RATE_8000_96000
  42 #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
  43
  44 #define TWL6040_OUTHS_0dB 0x00
  45 #define TWL6040_OUTHS_M30dB 0x0F
  46 #define TWL6040_OUTHF_0dB 0x03
  47 #define TWL6040_OUTHF_M52dB 0x1D
  48
  49 #define TWL6040_RAMP_NONE       0
  50 #define TWL6040_RAMP_UP         1
  51 #define TWL6040_RAMP_DOWN       2
  52
  53 #define TWL6040_HSL_VOL_MASK    0x0F
  54 #define TWL6040_HSL_VOL_SHIFT   0
  55 #define TWL6040_HSR_VOL_MASK    0xF0
  56 #define TWL6040_HSR_VOL_SHIFT   4
  57 #define TWL6040_HF_VOL_MASK     0x1F
  58 #define TWL6040_HF_VOL_SHIFT    0
  59
  60 struct twl6040_output {
  61         u16 active;
  62         u16 left_vol;
  63         u16 right_vol;
  64         u16 left_step;
  65         u16 right_step;
  66         unsigned int step_delay;
  67         u16 ramp;
  68         u16 mute;
  69         struct completion ramp_done;
  70 };
  71
  72 struct twl6040_jack_data {
  73         struct snd_soc_jack *jack;
  74         int report;
  75 };
  76
  77 /* codec private data */
  78 struct twl6040_data {
  79         int plug_irq;
  80         int codec_powered;
  81         int pll;
  82         int non_lp;
  83         int pll_power_mode;
  84         int hs_power_mode;
  85         int hs_power_mode_locked;
  86         unsigned int clk_in;
  87         unsigned int sysclk;
  88         u16 hs_left_step;
  89         u16 hs_right_step;
  90         u16 hf_left_step;
  91         u16 hf_right_step;
  92         struct twl6040_jack_data hs_jack;
  93         struct snd_soc_codec *codec;
  94         struct workqueue_struct *workqueue;
  95         struct delayed_work delayed_work;
  96         struct mutex mutex;
  97         struct twl6040_output headset;
  98         struct twl6040_output handsfree;
  99         struct workqueue_struct *hf_workqueue;
 100         struct workqueue_struct *hs_workqueue;
 101         struct delayed_work hs_delayed_work;
 102         struct delayed_work hf_delayed_work;
 103 };
 104
 105 /*
 106  * twl6040 register cache & default register settings
 107  */
 108 static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = {
 109         0x00, /* not used               0x00    */
 110         0x4B, /* TWL6040_ASICID (ro)    0x01    */
 111         0x00, /* TWL6040_ASICREV (ro)   0x02    */
 112         0x00, /* TWL6040_INTID          0x03    */
 113         0x00, /* TWL6040_INTMR          0x04    */
 114         0x00, /* TWL6040_NCPCTRL        0x05    */
 115         0x00, /* TWL6040_LDOCTL         0x06    */
 116         0x60, /* TWL6040_HPPLLCTL       0x07    */
 117         0x00, /* TWL6040_LPPLLCTL       0x08    */
 118         0x4A, /* TWL6040_LPPLLDIV       0x09    */
 119         0x00, /* TWL6040_AMICBCTL       0x0A    */
 120         0x00, /* TWL6040_DMICBCTL       0x0B    */
 121         0x00, /* TWL6040_MICLCTL        0x0C    */
 122         0x00, /* TWL6040_MICRCTL        0x0D    */
 123         0x00, /* TWL6040_MICGAIN        0x0E    */
 124         0x1B, /* TWL6040_LINEGAIN       0x0F    */
 125         0x00, /* TWL6040_HSLCTL         0x10    */
 126         0x00, /* TWL6040_HSRCTL         0x11    */
 127         0x00, /* TWL6040_HSGAIN         0x12    */
 128         0x00, /* TWL6040_EARCTL         0x13    */
 129         0x00, /* TWL6040_HFLCTL         0x14    */
 130         0x00, /* TWL6040_HFLGAIN        0x15    */
 131         0x00, /* TWL6040_HFRCTL         0x16    */
 132         0x00, /* TWL6040_HFRGAIN        0x17    */
 133         0x00, /* TWL6040_VIBCTLL        0x18    */
 134         0x00, /* TWL6040_VIBDATL        0x19    */
 135         0x00, /* TWL6040_VIBCTLR        0x1A    */
 136         0x00, /* TWL6040_VIBDATR        0x1B    */
 137         0x00, /* TWL6040_HKCTL1         0x1C    */
 138         0x00, /* TWL6040_HKCTL2         0x1D    */
 139         0x00, /* TWL6040_GPOCTL         0x1E    */
 140         0x00, /* TWL6040_ALB            0x1F    */
 141         0x00, /* TWL6040_DLB            0x20    */
 142         0x00, /* not used               0x21    */
 143         0x00, /* not used               0x22    */
 144         0x00, /* not used               0x23    */
 145         0x00, /* not used               0x24    */
 146         0x00, /* not used               0x25    */
 147         0x00, /* not used               0x26    */
 148         0x00, /* not used               0x27    */
 149         0x00, /* TWL6040_TRIM1          0x28    */
 150         0x00, /* TWL6040_TRIM2          0x29    */
 151         0x00, /* TWL6040_TRIM3          0x2A    */
 152         0x00, /* TWL6040_HSOTRIM        0x2B    */
 153         0x00, /* TWL6040_HFOTRIM        0x2C    */
 154         0x09, /* TWL6040_ACCCTL         0x2D    */
 155         0x00, /* TWL6040_STATUS (ro)    0x2E    */
 156 };
 157
 158 /* List of registers to be restored after power up */
 159 static const int twl6040_restore_list[] = {
 160         TWL6040_REG_MICLCTL,
 161         TWL6040_REG_MICRCTL,
 162         TWL6040_REG_MICGAIN,
 163         TWL6040_REG_LINEGAIN,
 164         TWL6040_REG_HSLCTL,
 165         TWL6040_REG_HSRCTL,
 166         TWL6040_REG_HSGAIN,
 167         TWL6040_REG_EARCTL,
 168         TWL6040_REG_HFLCTL,
 169         TWL6040_REG_HFLGAIN,
 170         TWL6040_REG_HFRCTL,
 171         TWL6040_REG_HFRGAIN,
 172 };
 173
 174 /* set of rates for each pll: low-power and high-performance */
 175 static unsigned int lp_rates[] = {
 176         8000,
 177         11250,
 178         16000,
 179         22500,
 180         32000,
 181         44100,
 182         48000,
 183         88200,
 184         96000,
 185 };
 186
 187 static unsigned int hp_rates[] = {
 188         8000,
 189         16000,
 190         32000,
 191         48000,
 192         96000,
 193 };
 194
 195 static struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
 196         { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
 197         { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
 198 };
 199
 200 /*
 201  * read twl6040 register cache
 202  */
 203 static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec,
 204                                                 unsigned int reg)
 205 {
 206         u8 *cache = codec->reg_cache;
 207
 208         if (reg >= TWL6040_CACHEREGNUM)
 209                 return -EIO;
 210
 211         return cache[reg];
 212 }
 213
 214 /*
 215  * write twl6040 register cache
 216  */
 217 static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec,
 218                                                 u8 reg, u8 value)
 219 {
 220         u8 *cache = codec->reg_cache;
 221
 222         if (reg >= TWL6040_CACHEREGNUM)
 223                 return;
 224         cache[reg] = value;
 225 }
 226
 227 /*
 228  * read from twl6040 hardware register
 229  */
 230 static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
 231                         unsigned int reg)
 232 {
 233         struct twl6040 *twl6040 = codec->control_data;
 234         u8 value;
 235
 236         if (reg >= TWL6040_CACHEREGNUM)
 237                 return -EIO;
 238
 239         value = twl6040_reg_read(twl6040, reg);
 240         twl6040_write_reg_cache(codec, reg, value);
 241
 242         return value;
 243 }
 244
 245 /*
 246  * write to the twl6040 register space
 247  */
 248 static int twl6040_write(struct snd_soc_codec *codec,
 249                         unsigned int reg, unsigned int value)
 250 {
 251         struct twl6040 *twl6040 = codec->control_data;
 252
 253         if (reg >= TWL6040_CACHEREGNUM)
 254                 return -EIO;
 255
 256         twl6040_write_reg_cache(codec, reg, value);
 257         return twl6040_reg_write(twl6040, reg, value);
 258 }
 259
 260 static void twl6040_init_chip(struct snd_soc_codec *codec)
 261 {
 262         struct twl6040 *twl6040 = codec->control_data;
 263         u8 val;
 264
 265         val = twl6040_get_revid(twl6040);
 266         twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val);
 267
 268         /* Change chip defaults */
 269         /* No imput selected for microphone amplifiers */
 270         twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18);
 271         twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18);
 272
 273         /*
 274          * We need to lower the default gain values, so the ramp code
 275          * can work correctly for the first playback.
 276          * This reduces the pop noise heard at the first playback.
 277          */
 278         twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff);
 279         twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e);
 280         twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d);
 281         twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d);
 282         twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0);
 283 }
 284
 285 static void twl6040_restore_regs(struct snd_soc_codec *codec)
 286 {
 287         u8 *cache = codec->reg_cache;
 288         int reg, i;
 289
 290         for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) {
 291                 reg = twl6040_restore_list[i];
 292                 twl6040_write(codec, reg, cache[reg]);
 293         }
 294 }
 295
 296 /*
 297  * Ramp HS PGA volume to minimise pops at stream startup and shutdown.
 298  */
 299 static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
 300                         unsigned int left_step, unsigned int right_step)
 301 {
 302
 303         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 304         struct twl6040_output *headset = &priv->headset;
 305         int left_complete = 0, right_complete = 0;
 306         u8 reg, val;
 307
 308         /* left channel */
 309         left_step = (left_step > 0xF) ? 0xF : left_step;
 310         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
 311         val = (~reg & TWL6040_HSL_VOL_MASK);
 312
 313         if (headset->ramp == TWL6040_RAMP_UP) {
 314                 /* ramp step up */
 315                 if (val < headset->left_vol) {
 316                         if (val + left_step > headset->left_vol)
 317                                 val = headset->left_vol;
 318                         else
 319                                 val += left_step;
 320
 321                         reg &= ~TWL6040_HSL_VOL_MASK;
 322                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 323                                         (reg | (~val & TWL6040_HSL_VOL_MASK)));
 324                 } else {
 325                         left_complete = 1;
 326                 }
 327         } else if (headset->ramp == TWL6040_RAMP_DOWN) {
 328                 /* ramp step down */
 329                 if (val > 0x0) {
 330                         if ((int)val - (int)left_step < 0)
 331                                 val = 0;
 332                         else
 333                                 val -= left_step;
 334
 335                         reg &= ~TWL6040_HSL_VOL_MASK;
 336                         twl6040_write(codec, TWL6040_REG_HSGAIN, reg |
 337                                                 (~val & TWL6040_HSL_VOL_MASK));
 338                 } else {
 339                         left_complete = 1;
 340                 }
 341         }
 342
 343         /* right channel */
 344         right_step = (right_step > 0xF) ? 0xF : right_step;
 345         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
 346         val = (~reg & TWL6040_HSR_VOL_MASK) >> TWL6040_HSR_VOL_SHIFT;
 347
 348         if (headset->ramp == TWL6040_RAMP_UP) {
 349                 /* ramp step up */
 350                 if (val < headset->right_vol) {
 351                         if (val + right_step > headset->right_vol)
 352                                 val = headset->right_vol;
 353                         else
 354                                 val += right_step;
 355
 356                         reg &= ~TWL6040_HSR_VOL_MASK;
 357                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 358                                 (reg | (~val << TWL6040_HSR_VOL_SHIFT)));
 359                 } else {
 360                         right_complete = 1;
 361                 }
 362         } else if (headset->ramp == TWL6040_RAMP_DOWN) {
 363                 /* ramp step down */
 364                 if (val > 0x0) {
 365                         if ((int)val - (int)right_step < 0)
 366                                 val = 0;
 367                         else
 368                                 val -= right_step;
 369
 370                         reg &= ~TWL6040_HSR_VOL_MASK;
 371                         twl6040_write(codec, TWL6040_REG_HSGAIN,
 372                                          reg | (~val << TWL6040_HSR_VOL_SHIFT));
 373                 } else {
 374                         right_complete = 1;
 375                 }
 376         }
 377
 378         return left_complete & right_complete;
 379 }
 380
 381 /*
 382  * Ramp HF PGA volume to minimise pops at stream startup and shutdown.
 383  */
 384 static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
 385                         unsigned int left_step, unsigned int right_step)
 386 {
 387         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 388         struct twl6040_output *handsfree = &priv->handsfree;
 389         int left_complete = 0, right_complete = 0;
 390         u16 reg, val;
 391
 392         /* left channel */
 393         left_step = (left_step > 0x1D) ? 0x1D : left_step;
 394         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFLGAIN);
 395         reg = 0x1D - reg;
 396         val = (reg & TWL6040_HF_VOL_MASK);
 397         if (handsfree->ramp == TWL6040_RAMP_UP) {
 398                 /* ramp step up */
 399                 if (val < handsfree->left_vol) {
 400                         if (val + left_step > handsfree->left_vol)
 401                                 val = handsfree->left_vol;
 402                         else
 403                                 val += left_step;
 404
 405                         reg &= ~TWL6040_HF_VOL_MASK;
 406                         twl6040_write(codec, TWL6040_REG_HFLGAIN,
 407                                                 reg | (0x1D - val));
 408                 } else {
 409                         left_complete = 1;
 410                 }
 411         } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 412                 /* ramp step down */
 413                 if (val > 0) {
 414                         if ((int)val - (int)left_step < 0)
 415                                 val = 0;
 416                         else
 417                                 val -= left_step;
 418
 419                         reg &= ~TWL6040_HF_VOL_MASK;
 420                         twl6040_write(codec, TWL6040_REG_HFLGAIN,
 421                                                 reg | (0x1D - val));
 422                 } else {
 423                         left_complete = 1;
 424                 }
 425         }
 426
 427         /* right channel */
 428         right_step = (right_step > 0x1D) ? 0x1D : right_step;
 429         reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFRGAIN);
 430         reg = 0x1D - reg;
 431         val = (reg & TWL6040_HF_VOL_MASK);
 432         if (handsfree->ramp == TWL6040_RAMP_UP) {
 433                 /* ramp step up */
 434                 if (val < handsfree->right_vol) {
 435                         if (val + right_step > handsfree->right_vol)
 436                                 val = handsfree->right_vol;
 437                         else
 438                                 val += right_step;
 439
 440                         reg &= ~TWL6040_HF_VOL_MASK;
 441                         twl6040_write(codec, TWL6040_REG_HFRGAIN,
 442                                                 reg | (0x1D - val));
 443                 } else {
 444                         right_complete = 1;
 445                 }
 446         } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 447                 /* ramp step down */
 448                 if (val > 0) {
 449                         if ((int)val - (int)right_step < 0)
 450                                 val = 0;
 451                         else
 452                                 val -= right_step;
 453
 454                         reg &= ~TWL6040_HF_VOL_MASK;
 455                         twl6040_write(codec, TWL6040_REG_HFRGAIN,
 456                                                 reg | (0x1D - val));
 457                 }
 458         }
 459
 460         return left_complete & right_complete;
 461 }
 462
 463 /*
 464  * This work ramps both output PGAs at stream start/stop time to
 465  * minimise pop associated with DAPM power switching.
 466  */
 467 static void twl6040_pga_hs_work(struct work_struct *work)
 468 {
 469         struct twl6040_data *priv =
 470                 container_of(work, struct twl6040_data, hs_delayed_work.work);
 471         struct snd_soc_codec *codec = priv->codec;
 472         struct twl6040_output *headset = &priv->headset;
 473         unsigned int delay = headset->step_delay;
 474         int i, headset_complete;
 475
 476         /* do we need to ramp at all ? */
 477         if (headset->ramp == TWL6040_RAMP_NONE)
 478                 return;
 479
 480         /* HS PGA volumes have 4 bits of resolution to ramp */
 481         for (i = 0; i <= 16; i++) {
 482                 headset_complete = twl6040_hs_ramp_step(codec,
 483                                                 headset->left_step,
 484                                                 headset->right_step);
 485
 486                 /* ramp finished ? */
 487                 if (headset_complete)
 488                         break;
 489
 490                 /*
 491                  * TODO: tune: delay is longer over 0dB
 492                  * as increases are larger.
 493                  */
 494                 if (i >= 8)
 495                         schedule_timeout_interruptible(msecs_to_jiffies(delay +
 496                                                         (delay >> 1)));
 497                 else
 498                         schedule_timeout_interruptible(msecs_to_jiffies(delay));
 499         }
 500
 501         if (headset->ramp == TWL6040_RAMP_DOWN) {
 502                 headset->active = 0;
 503                 complete(&headset->ramp_done);
 504         } else {
 505                 headset->active = 1;
 506         }
 507         headset->ramp = TWL6040_RAMP_NONE;
 508 }
 509
 510 static void twl6040_pga_hf_work(struct work_struct *work)
 511 {
 512         struct twl6040_data *priv =
 513                 container_of(work, struct twl6040_data, hf_delayed_work.work);
 514         struct snd_soc_codec *codec = priv->codec;
 515         struct twl6040_output *handsfree = &priv->handsfree;
 516         unsigned int delay = handsfree->step_delay;
 517         int i, handsfree_complete;
 518
 519         /* do we need to ramp at all ? */
 520         if (handsfree->ramp == TWL6040_RAMP_NONE)
 521                 return;
 522
 523         /* HF PGA volumes have 5 bits of resolution to ramp */
 524         for (i = 0; i <= 32; i++) {
 525                 handsfree_complete = twl6040_hf_ramp_step(codec,
 526                                                 handsfree->left_step,
 527                                                 handsfree->right_step);
 528
 529                 /* ramp finished ? */
 530                 if (handsfree_complete)
 531                         break;
 532
 533                 /*
 534                  * TODO: tune: delay is longer over 0dB
 535                  * as increases are larger.
 536                  */
 537                 if (i >= 16)
 538                         schedule_timeout_interruptible(msecs_to_jiffies(delay +
 539                                                        (delay >> 1)));
 540                 else
 541                         schedule_timeout_interruptible(msecs_to_jiffies(delay));
 542         }
 543
 544
 545         if (handsfree->ramp == TWL6040_RAMP_DOWN) {
 546                 handsfree->active = 0;
 547                 complete(&handsfree->ramp_done);
 548         } else
 549                 handsfree->active = 1;
 550         handsfree->ramp = TWL6040_RAMP_NONE;
 551 }
 552
 553 static int pga_event(struct snd_soc_dapm_widget *w,
 554                         struct snd_kcontrol *kcontrol, int event)
 555 {
 556         struct snd_soc_codec *codec = w->codec;
 557         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 558         struct twl6040_output *out;
 559         struct delayed_work *work;
 560         struct workqueue_struct *queue;
 561
 562         switch (w->shift) {
 563         case 2:
 564         case 3:
 565                 out = &priv->headset;
 566                 work = &priv->hs_delayed_work;
 567                 queue = priv->hs_workqueue;
 568                 out->left_step = priv->hs_left_step;
 569                 out->right_step = priv->hs_right_step;
 570                 out->step_delay = 5;    /* 5 ms between volume ramp steps */
 571                 break;
 572         case 4:
 573                 out = &priv->handsfree;
 574                 work = &priv->hf_delayed_work;
 575                 queue = priv->hf_workqueue;
 576                 out->left_step = priv->hf_left_step;
 577                 out->right_step = priv->hf_right_step;
 578                 out->step_delay = 5;    /* 5 ms between volume ramp steps */
 579                 if (SND_SOC_DAPM_EVENT_ON(event))
 580                         priv->non_lp++;
 581                 else
 582                         priv->non_lp--;
 583                 break;
 584         default:
 585                 return -1;
 586         }
 587
 588         switch (event) {
 589         case SND_SOC_DAPM_POST_PMU:
 590                 if (out->active)
 591                         break;
 592
 593                 /* don't use volume ramp for power-up */
 594                 out->left_step = out->left_vol;
 595                 out->right_step = out->right_vol;
 596
 597                 if (!delayed_work_pending(work)) {
 598                         out->ramp = TWL6040_RAMP_UP;
 599                         queue_delayed_work(queue, work,
 600                                         msecs_to_jiffies(1));
 601                 }
 602                 break;
 603
 604         case SND_SOC_DAPM_PRE_PMD:
 605                 if (!out->active)
 606                         break;
 607
 608                 if (!delayed_work_pending(work)) {
 609                         /* use volume ramp for power-down */
 610                         out->ramp = TWL6040_RAMP_DOWN;
 611                         INIT_COMPLETION(out->ramp_done);
 612
 613                         queue_delayed_work(queue, work,
 614                                         msecs_to_jiffies(1));
 615
 616                         wait_for_completion_timeout(&out->ramp_done,
 617                                         msecs_to_jiffies(2000));
 618                 }
 619                 break;
 620         }
 621
 622         return 0;
 623 }
 624
 625 /* set headset dac and driver power mode */
 626 static int headset_power_mode(struct snd_soc_codec *codec, int high_perf)
 627 {
 628         int hslctl, hsrctl;
 629         int mask = TWL6040_HSDRVMODEL | TWL6040_HSDACMODEL;
 630
 631         hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL);
 632         hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL);
 633
 634         if (high_perf) {
 635                 hslctl &= ~mask;
 636                 hsrctl &= ~mask;
 637         } else {
 638                 hslctl |= mask;
 639                 hsrctl |= mask;
 640         }
 641
 642         twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl);
 643         twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl);
 644
 645         return 0;
 646 }
 647
 648 static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
 649                         struct snd_kcontrol *kcontrol, int event)
 650 {
 651         msleep(1);
 652         return 0;
 653 }
 654
 655 static int twl6040_power_mode_event(struct snd_soc_dapm_widget *w,
 656                         struct snd_kcontrol *kcontrol, int event)
 657 {
 658         struct snd_soc_codec *codec = w->codec;
 659         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 660         int ret = 0;
 661
 662         if (SND_SOC_DAPM_EVENT_ON(event)) {
 663                 priv->non_lp++;
 664                 if (!strcmp(w->name, "Earphone Driver")) {
 665                         /* Earphone doesn't support low power mode */
 666                         priv->hs_power_mode_locked = 1;
 667                         ret = headset_power_mode(codec, 1);
 668                 }
 669         } else {
 670                 priv->non_lp--;
 671                 if (!strcmp(w->name, "Earphone Driver")) {
 672                         priv->hs_power_mode_locked = 0;
 673                         ret = headset_power_mode(codec, priv->hs_power_mode);
 674                 }
 675         }
 676
 677         msleep(1);
 678
 679         return ret;
 680 }
 681
 682 static void twl6040_hs_jack_report(struct snd_soc_codec *codec,
 683                                    struct snd_soc_jack *jack, int report)
 684 {
 685         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 686         int status;
 687
 688         mutex_lock(&priv->mutex);
 689
 690         /* Sync status */
 691         status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
 692         if (status & TWL6040_PLUGCOMP)
 693                 snd_soc_jack_report(jack, report, report);
 694         else
 695                 snd_soc_jack_report(jack, 0, report);
 696
 697         mutex_unlock(&priv->mutex);
 698 }
 699
 700 void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
 701                                 struct snd_soc_jack *jack, int report)
 702 {
 703         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 704         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 705
 706         hs_jack->jack = jack;
 707         hs_jack->report = report;
 708
 709         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 710 }
 711 EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
 712
 713 static void twl6040_accessory_work(struct work_struct *work)
 714 {
 715         struct twl6040_data *priv = container_of(work,
 716                                         struct twl6040_data, delayed_work.work);
 717         struct snd_soc_codec *codec = priv->codec;
 718         struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 719
 720         twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
 721 }
 722
 723 /* audio interrupt handler */
 724 static irqreturn_t twl6040_audio_handler(int irq, void *data)
 725 {
 726         struct snd_soc_codec *codec = data;
 727         struct twl6040 *twl6040 = codec->control_data;
 728         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 729         u8 intid;
 730
 731         intid = twl6040_reg_read(twl6040, TWL6040_REG_INTID);
 732
 733         if ((intid & TWL6040_PLUGINT) || (intid & TWL6040_UNPLUGINT))
 734                 queue_delayed_work(priv->workqueue, &priv->delayed_work,
 735                                                         msecs_to_jiffies(200));
 736
 737         return IRQ_HANDLED;
 738 }
 739
 740 static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
 741                                   struct snd_ctl_elem_value *ucontrol)
 742 {
 743         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 744         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 745         struct twl6040_output *out = NULL;
 746         struct soc_mixer_control *mc =
 747                 (struct soc_mixer_control *)kcontrol->private_value;
 748         int ret;
 749         unsigned int reg = mc->reg;
 750
 751         /* For HS and HF we shadow the values and only actually write
 752          * them out when active in order to ensure the amplifier comes on
 753          * as quietly as possible. */
 754         switch (reg) {
 755         case TWL6040_REG_HSGAIN:
 756                 out = &twl6040_priv->headset;
 757                 break;
 758         default:
 759                 break;
 760         }
 761
 762         if (out) {
 763                 out->left_vol = ucontrol->value.integer.value[0];
 764                 out->right_vol = ucontrol->value.integer.value[1];
 765                 if (!out->active)
 766                         return 1;
 767         }
 768
 769         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 770         if (ret < 0)
 771                 return ret;
 772
 773         return 1;
 774 }
 775
 776 static int twl6040_get_volsw(struct snd_kcontrol *kcontrol,
 777                                 struct snd_ctl_elem_value *ucontrol)
 778 {
 779         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 780         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 781         struct twl6040_output *out = &twl6040_priv->headset;
 782         struct soc_mixer_control *mc =
 783                 (struct soc_mixer_control *)kcontrol->private_value;
 784         unsigned int reg = mc->reg;
 785
 786         switch (reg) {
 787         case TWL6040_REG_HSGAIN:
 788                 out = &twl6040_priv->headset;
 789                 ucontrol->value.integer.value[0] = out->left_vol;
 790                 ucontrol->value.integer.value[1] = out->right_vol;
 791                 return 0;
 792
 793         default:
 794                 break;
 795         }
 796
 797         return snd_soc_get_volsw(kcontrol, ucontrol);
 798 }
 799
 800 static int twl6040_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
 801                                   struct snd_ctl_elem_value *ucontrol)
 802 {
 803         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 804         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 805         struct twl6040_output *out = NULL;
 806         struct soc_mixer_control *mc =
 807                 (struct soc_mixer_control *)kcontrol->private_value;
 808         int ret;
 809         unsigned int reg = mc->reg;
 810
 811         /* For HS and HF we shadow the values and only actually write
 812          * them out when active in order to ensure the amplifier comes on
 813          * as quietly as possible. */
 814         switch (reg) {
 815         case TWL6040_REG_HFLGAIN:
 816         case TWL6040_REG_HFRGAIN:
 817                 out = &twl6040_priv->handsfree;
 818                 break;
 819         default:
 820                 break;
 821         }
 822
 823         if (out) {
 824                 out->left_vol = ucontrol->value.integer.value[0];
 825                 out->right_vol = ucontrol->value.integer.value[1];
 826                 if (!out->active)
 827                         return 1;
 828         }
 829
 830         ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
 831         if (ret < 0)
 832                 return ret;
 833
 834         return 1;
 835 }
 836
 837 static int twl6040_get_volsw_2r(struct snd_kcontrol *kcontrol,
 838                                 struct snd_ctl_elem_value *ucontrol)
 839 {
 840         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 841         struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
 842         struct twl6040_output *out = &twl6040_priv->handsfree;
 843         struct soc_mixer_control *mc =
 844                 (struct soc_mixer_control *)kcontrol->private_value;
 845         unsigned int reg = mc->reg;
 846
 847         /* If these are cached registers use the cache */
 848         switch (reg) {
 849         case TWL6040_REG_HFLGAIN:
 850         case TWL6040_REG_HFRGAIN:
 851                 out = &twl6040_priv->handsfree;
 852                 ucontrol->value.integer.value[0] = out->left_vol;
 853                 ucontrol->value.integer.value[1] = out->right_vol;
 854                 return 0;
 855
 856         default:
 857                 break;
 858         }
 859
 860         return snd_soc_get_volsw_2r(kcontrol, ucontrol);
 861 }
 862
 863 /* double control with volume update */
 864 #define SOC_TWL6040_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax,\
 865                                                         xinvert, tlv_array)\
 866 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 867         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 868                  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 869         .tlv.p = (tlv_array), \
 870         .info = snd_soc_info_volsw, .get = twl6040_get_volsw, \
 871         .put = twl6040_put_volsw, \
 872         .private_value = (unsigned long)&(struct soc_mixer_control) \
 873                 {.reg = xreg, .shift = shift_left, .rshift = shift_right,\
 874                  .max = xmax, .platform_max = xmax, .invert = xinvert} }
 875
 876 /* double control with volume update */
 877 #define SOC_TWL6040_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax,\
 878                                 xinvert, tlv_array)\
 879 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 880         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 881                 SNDRV_CTL_ELEM_ACCESS_READWRITE | \
 882                 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
 883         .tlv.p = (tlv_array), \
 884         .info = snd_soc_info_volsw_2r, \
 885         .get = twl6040_get_volsw_2r, .put = twl6040_put_volsw_2r_vu, \
 886         .private_value = (unsigned long)&(struct soc_mixer_control) \
 887                 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
 888                  .rshift = xshift, .max = xmax, .invert = xinvert}, }
 889
 890 /*
 891  * MICATT volume control:
 892  * from -6 to 0 dB in 6 dB steps
 893  */
 894 static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
 895
 896 /*
 897  * MICGAIN volume control:
 898  * from 6 to 30 dB in 6 dB steps
 899  */
 900 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
 901
 902 /*
 903  * AFMGAIN volume control:
 904  * from -18 to 24 dB in 6 dB steps
 905  */
 906 static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
 907
 908 /*
 909  * HSGAIN volume control:
 910  * from -30 to 0 dB in 2 dB steps
 911  */
 912 static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
 913
 914 /*
 915  * HFGAIN volume control:
 916  * from -52 to 6 dB in 2 dB steps
 917  */
 918 static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
 919
 920 /*
 921  * EPGAIN volume control:
 922  * from -24 to 6 dB in 2 dB steps
 923  */
 924 static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
 925
 926 /* Left analog microphone selection */
 927 static const char *twl6040_amicl_texts[] =
 928         {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
 929
 930 /* Right analog microphone selection */
 931 static const char *twl6040_amicr_texts[] =
 932         {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
 933
 934 static const struct soc_enum twl6040_enum[] = {
 935         SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
 936         SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
 937 };
 938
 939 static const char *twl6040_hs_texts[] = {
 940         "Off", "HS DAC", "Line-In amp"
 941 };
 942
 943 static const struct soc_enum twl6040_hs_enum[] = {
 944         SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 945                         twl6040_hs_texts),
 946         SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 947                         twl6040_hs_texts),
 948 };
 949
 950 static const char *twl6040_hf_texts[] = {
 951         "Off", "HF DAC", "Line-In amp"
 952 };
 953
 954 static const struct soc_enum twl6040_hf_enum[] = {
 955         SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 956                         twl6040_hf_texts),
 957         SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 958                         twl6040_hf_texts),
 959 };
 960
 961 static const struct snd_kcontrol_new amicl_control =
 962         SOC_DAPM_ENUM("Route", twl6040_enum[0]);
 963
 964 static const struct snd_kcontrol_new amicr_control =
 965         SOC_DAPM_ENUM("Route", twl6040_enum[1]);
 966
 967 /* Headset DAC playback switches */
 968 static const struct snd_kcontrol_new hsl_mux_controls =
 969         SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
 970
 971 static const struct snd_kcontrol_new hsr_mux_controls =
 972         SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
 973
 974 /* Handsfree DAC playback switches */
 975 static const struct snd_kcontrol_new hfl_mux_controls =
 976         SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
 977
 978 static const struct snd_kcontrol_new hfr_mux_controls =
 979         SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
 980
 981 static const struct snd_kcontrol_new ep_driver_switch_controls =
 982         SOC_DAPM_SINGLE("Switch", TWL6040_REG_EARCTL, 0, 1, 0);
 983
 984 /* Headset power mode */
 985 static const char *twl6040_power_mode_texts[] = {
 986         "Low-Power", "High-Perfomance",
 987 };
 988
 989 static const struct soc_enum twl6040_power_mode_enum =
 990         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts),
 991                         twl6040_power_mode_texts);
 992
 993 static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
 994         struct snd_ctl_elem_value *ucontrol)
 995 {
 996         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 997         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
 998
 999         ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
1000
1001         return 0;
1002 }
1003
1004 static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
1005         struct snd_ctl_elem_value *ucontrol)
1006 {
1007         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1008         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1009         int high_perf = ucontrol->value.enumerated.item[0];
1010         int ret = 0;
1011
1012         if (!priv->hs_power_mode_locked)
1013                 ret = headset_power_mode(codec, high_perf);
1014
1015         if (!ret)
1016                 priv->hs_power_mode = high_perf;
1017
1018         return ret;
1019 }
1020
1021 static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
1022         struct snd_ctl_elem_value *ucontrol)
1023 {
1024         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1025         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1026
1027         ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
1028
1029         return 0;
1030 }
1031
1032 static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
1033         struct snd_ctl_elem_value *ucontrol)
1034 {
1035         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1036         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1037
1038         priv->pll_power_mode = ucontrol->value.enumerated.item[0];
1039
1040         return 0;
1041 }
1042
1043 int twl6040_get_clk_id(struct snd_soc_codec *codec)
1044 {
1045         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1046
1047         return priv->pll_power_mode;
1048 }
1049 EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
1050
1051 static const struct snd_kcontrol_new twl6040_snd_controls[] = {
1052         /* Capture gains */
1053         SOC_DOUBLE_TLV("Capture Preamplifier Volume",
1054                 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
1055         SOC_DOUBLE_TLV("Capture Volume",
1056                 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
1057
1058         /* AFM gains */
1059         SOC_DOUBLE_TLV("Aux FM Volume",
1060                 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
1061
1062         /* Playback gains */
1063         SOC_TWL6040_DOUBLE_TLV("Headset Playback Volume",
1064                 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
1065         SOC_TWL6040_DOUBLE_R_TLV("Handsfree Playback Volume",
1066                 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
1067         SOC_SINGLE_TLV("Earphone Playback Volume",
1068                 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
1069
1070         SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
1071                 twl6040_headset_power_get_enum,
1072                 twl6040_headset_power_put_enum),
1073
1074         SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
1075                 twl6040_pll_get_enum, twl6040_pll_put_enum),
1076 };
1077
1078 static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
1079         /* Inputs */
1080         SND_SOC_DAPM_INPUT("MAINMIC"),
1081         SND_SOC_DAPM_INPUT("HSMIC"),
1082         SND_SOC_DAPM_INPUT("SUBMIC"),
1083         SND_SOC_DAPM_INPUT("AFML"),
1084         SND_SOC_DAPM_INPUT("AFMR"),
1085
1086         /* Outputs */
1087         SND_SOC_DAPM_OUTPUT("HSOL"),
1088         SND_SOC_DAPM_OUTPUT("HSOR"),
1089         SND_SOC_DAPM_OUTPUT("HFL"),
1090         SND_SOC_DAPM_OUTPUT("HFR"),
1091         SND_SOC_DAPM_OUTPUT("EP"),
1092
1093         /* Analog input muxes for the capture amplifiers */
1094         SND_SOC_DAPM_MUX("Analog Left Capture Route",
1095                         SND_SOC_NOPM, 0, 0, &amicl_control),
1096         SND_SOC_DAPM_MUX("Analog Right Capture Route",
1097                         SND_SOC_NOPM, 0, 0, &amicr_control),
1098
1099         /* Analog capture PGAs */
1100         SND_SOC_DAPM_PGA("MicAmpL",
1101                         TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
1102         SND_SOC_DAPM_PGA("MicAmpR",
1103                         TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
1104
1105         /* Auxiliary FM PGAs */
1106         SND_SOC_DAPM_PGA("AFMAmpL",
1107                         TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
1108         SND_SOC_DAPM_PGA("AFMAmpR",
1109                         TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
1110
1111         /* ADCs */
1112         SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
1113                         TWL6040_REG_MICLCTL, 2, 0),
1114         SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture",
1115                         TWL6040_REG_MICRCTL, 2, 0),
1116
1117         /* Microphone bias */
1118         SND_SOC_DAPM_MICBIAS("Headset Mic Bias",
1119                         TWL6040_REG_AMICBCTL, 0, 0),
1120         SND_SOC_DAPM_MICBIAS("Main Mic Bias",
1121                         TWL6040_REG_AMICBCTL, 4, 0),
1122         SND_SOC_DAPM_MICBIAS("Digital Mic1 Bias",
1123                         TWL6040_REG_DMICBCTL, 0, 0),
1124         SND_SOC_DAPM_MICBIAS("Digital Mic2 Bias",
1125                         TWL6040_REG_DMICBCTL, 4, 0),
1126
1127         /* DACs */
1128         SND_SOC_DAPM_DAC_E("HSDAC Left", "Headset Playback",
1129                         TWL6040_REG_HSLCTL, 0, 0,
1130                         twl6040_hs_dac_event,
1131                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1132         SND_SOC_DAPM_DAC_E("HSDAC Right", "Headset Playback",
1133                         TWL6040_REG_HSRCTL, 0, 0,
1134                         twl6040_hs_dac_event,
1135                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1136         SND_SOC_DAPM_DAC_E("HFDAC Left", "Handsfree Playback",
1137                         TWL6040_REG_HFLCTL, 0, 0,
1138                         twl6040_power_mode_event,
1139                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1140         SND_SOC_DAPM_DAC_E("HFDAC Right", "Handsfree Playback",
1141                         TWL6040_REG_HFRCTL, 0, 0,
1142                         twl6040_power_mode_event,
1143                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1144
1145         SND_SOC_DAPM_MUX("HF Left Playback",
1146                         SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
1147         SND_SOC_DAPM_MUX("HF Right Playback",
1148                         SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
1149         /* Analog playback Muxes */
1150         SND_SOC_DAPM_MUX("HS Left Playback",
1151                         SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
1152         SND_SOC_DAPM_MUX("HS Right Playback",
1153                         SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
1154
1155         /* Analog playback drivers */
1156         SND_SOC_DAPM_OUT_DRV_E("Handsfree Left Driver",
1157                         TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
1158                         pga_event,
1159                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1160         SND_SOC_DAPM_OUT_DRV_E("Handsfree Right Driver",
1161                         TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
1162                         pga_event,
1163                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1164         SND_SOC_DAPM_OUT_DRV_E("Headset Left Driver",
1165                         TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
1166                         pga_event,
1167                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1168         SND_SOC_DAPM_OUT_DRV_E("Headset Right Driver",
1169                         TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
1170                         pga_event,
1171                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1172         SND_SOC_DAPM_SWITCH_E("Earphone Driver",
1173                         SND_SOC_NOPM, 0, 0, &ep_driver_switch_controls,
1174                         twl6040_power_mode_event,
1175                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1176
1177         /* Analog playback PGAs */
1178         SND_SOC_DAPM_PGA("HFDAC Left PGA",
1179                         TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
1180         SND_SOC_DAPM_PGA("HFDAC Right PGA",
1181                         TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
1182
1183 };
1184
1185 static const struct snd_soc_dapm_route intercon[] = {
1186         /* Capture path */
1187         {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
1188         {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
1189         {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
1190
1191         {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
1192         {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
1193         {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
1194
1195         {"MicAmpL", NULL, "Analog Left Capture Route"},
1196         {"MicAmpR", NULL, "Analog Right Capture Route"},
1197
1198         {"ADC Left", NULL, "MicAmpL"},
1199         {"ADC Right", NULL, "MicAmpR"},
1200
1201         /* AFM path */
1202         {"AFMAmpL", "NULL", "AFML"},
1203         {"AFMAmpR", "NULL", "AFMR"},
1204
1205         {"HS Left Playback", "HS DAC", "HSDAC Left"},
1206         {"HS Left Playback", "Line-In amp", "AFMAmpL"},
1207
1208         {"HS Right Playback", "HS DAC", "HSDAC Right"},
1209         {"HS Right Playback", "Line-In amp", "AFMAmpR"},
1210
1211         {"Headset Left Driver", "NULL", "HS Left Playback"},
1212         {"Headset Right Driver", "NULL", "HS Right Playback"},
1213
1214         {"HSOL", NULL, "Headset Left Driver"},
1215         {"HSOR", NULL, "Headset Right Driver"},
1216
1217         /* Earphone playback path */
1218         {"Earphone Driver", "Switch", "HSDAC Left"},
1219         {"EP", NULL, "Earphone Driver"},
1220
1221         {"HF Left Playback", "HF DAC", "HFDAC Left"},
1222         {"HF Left Playback", "Line-In amp", "AFMAmpL"},
1223
1224         {"HF Right Playback", "HF DAC", "HFDAC Right"},
1225         {"HF Right Playback", "Line-In amp", "AFMAmpR"},
1226
1227         {"HFDAC Left PGA", NULL, "HF Left Playback"},
1228         {"HFDAC Right PGA", NULL, "HF Right Playback"},
1229
1230         {"Handsfree Left Driver", "Switch", "HFDAC Left PGA"},
1231         {"Handsfree Right Driver", "Switch", "HFDAC Right PGA"},
1232
1233         {"HFL", NULL, "Handsfree Left Driver"},
1234         {"HFR", NULL, "Handsfree Right Driver"},
1235 };
1236
1237 static int twl6040_add_widgets(struct snd_soc_codec *codec)
1238 {
1239         struct snd_soc_dapm_context *dapm = &codec->dapm;
1240
1241         snd_soc_dapm_new_controls(dapm, twl6040_dapm_widgets,
1242                                  ARRAY_SIZE(twl6040_dapm_widgets));
1243         snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
1244         snd_soc_dapm_new_widgets(dapm);
1245
1246         return 0;
1247 }
1248
1249 static int twl6040_set_bias_level(struct snd_soc_codec *codec,
1250                                 enum snd_soc_bias_level level)
1251 {
1252         struct twl6040 *twl6040 = codec->control_data;
1253         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1254         int ret;
1255
1256         switch (level) {
1257         case SND_SOC_BIAS_ON:
1258                 break;
1259         case SND_SOC_BIAS_PREPARE:
1260                 break;
1261         case SND_SOC_BIAS_STANDBY:
1262                 if (priv->codec_powered)
1263                         break;
1264
1265                 ret = twl6040_power(twl6040, 1);
1266                 if (ret)
1267                         return ret;
1268
1269                 priv->codec_powered = 1;
1270
1271                 twl6040_restore_regs(codec);
1272
1273                 /* Set external boost GPO */
1274                 twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
1275                 break;
1276         case SND_SOC_BIAS_OFF:
1277                 if (!priv->codec_powered)
1278                         break;
1279
1280                 twl6040_power(twl6040, 0);
1281                 priv->codec_powered = 0;
1282                 break;
1283         }
1284
1285         codec->dapm.bias_level = level;
1286
1287         return 0;
1288 }
1289
1290 static int twl6040_startup(struct snd_pcm_substream *substream,
1291                         struct snd_soc_dai *dai)
1292 {
1293         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1294         struct snd_soc_codec *codec = rtd->codec;
1295         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1296
1297         snd_pcm_hw_constraint_list(substream->runtime, 0,
1298                                 SNDRV_PCM_HW_PARAM_RATE,
1299                                 &sysclk_constraints[priv->pll_power_mode]);
1300
1301         return 0;
1302 }
1303
1304 static int twl6040_hw_params(struct snd_pcm_substream *substream,
1305                         struct snd_pcm_hw_params *params,
1306                         struct snd_soc_dai *dai)
1307 {
1308         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1309         struct snd_soc_codec *codec = rtd->codec;
1310         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1311         int rate;
1312
1313         rate = params_rate(params);
1314         switch (rate) {
1315         case 11250:
1316         case 22500:
1317         case 44100:
1318         case 88200:
1319                 /* These rates are not supported when HPPLL is in use */
1320                 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
1321                         dev_err(codec->dev, "HPPLL does not support rate %d\n",
1322                                 rate);
1323                         return -EINVAL;
1324                 }
1325                 /* Capture is not supported with 17.64MHz sysclk */
1326                 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
1327                         dev_err(codec->dev,
1328                                 "capture mode is not supported at %dHz\n",
1329                                 rate);
1330                         return -EINVAL;
1331                 }
1332                 priv->sysclk = 17640000;
1333                 break;
1334         case 8000:
1335         case 16000:
1336         case 32000:
1337         case 48000:
1338         case 96000:
1339                 priv->sysclk = 19200000;
1340                 break;
1341         default:
1342                 dev_err(codec->dev, "unsupported rate %d\n", rate);
1343                 return -EINVAL;
1344         }
1345
1346         return 0;
1347 }
1348
1349 static int twl6040_prepare(struct snd_pcm_substream *substream,
1350                         struct snd_soc_dai *dai)
1351 {
1352         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1353         struct snd_soc_codec *codec = rtd->codec;
1354         struct twl6040 *twl6040 = codec->control_data;
1355         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1356         int ret;
1357
1358         if (!priv->sysclk) {
1359                 dev_err(codec->dev,
1360                         "no mclk configured, call set_sysclk() on init\n");
1361                 return -EINVAL;
1362         }
1363
1364         if ((priv->sysclk == 17640000) && priv->non_lp) {
1365                         dev_err(codec->dev,
1366                                 "some enabled paths aren't supported at %dHz\n",
1367                                 priv->sysclk);
1368                         return -EPERM;
1369         }
1370
1371         ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
1372         if (ret) {
1373                 dev_err(codec->dev, "Can not set PLL (%d)\n", ret);
1374                 return -EPERM;
1375         }
1376
1377         return 0;
1378 }
1379
1380 static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1381                 int clk_id, unsigned int freq, int dir)
1382 {
1383         struct snd_soc_codec *codec = codec_dai->codec;
1384         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1385
1386         switch (clk_id) {
1387         case TWL6040_SYSCLK_SEL_LPPLL:
1388         case TWL6040_SYSCLK_SEL_HPPLL:
1389                 priv->pll = clk_id;
1390                 priv->clk_in = freq;
1391                 break;
1392         default:
1393                 dev_err(codec->dev, "unknown clk_id %d\n", clk_id);
1394                 return -EINVAL;
1395         }
1396
1397         return 0;
1398 }
1399
1400 static struct snd_soc_dai_ops twl6040_dai_ops = {
1401         .startup        = twl6040_startup,
1402         .hw_params      = twl6040_hw_params,
1403         .prepare        = twl6040_prepare,
1404         .set_sysclk     = twl6040_set_dai_sysclk,
1405 };
1406
1407 static struct snd_soc_dai_driver twl6040_dai[] = {
1408 {
1409         .name = "twl6040-hifi",
1410         .playback = {
1411                 .stream_name = "Playback",
1412                 .channels_min = 1,
1413                 .channels_max = 5,
1414                 .rates = TWL6040_RATES,
1415                 .formats = TWL6040_FORMATS,
1416         },
1417         .capture = {
1418                 .stream_name = "Capture",
1419                 .channels_min = 1,
1420                 .channels_max = 2,
1421                 .rates = TWL6040_RATES,
1422                 .formats = TWL6040_FORMATS,
1423         },
1424         .ops = &twl6040_dai_ops,
1425 },
1426 {
1427         .name = "twl6040-ul",
1428         .capture = {
1429                 .stream_name = "Capture",
1430                 .channels_min = 1,
1431                 .channels_max = 2,
1432                 .rates = TWL6040_RATES,
1433                 .formats = TWL6040_FORMATS,
1434         },
1435         .ops = &twl6040_dai_ops,
1436 },
1437 {
1438         .name = "twl6040-dl1",
1439         .playback = {
1440                 .stream_name = "Headset Playback",
1441                 .channels_min = 1,
1442                 .channels_max = 2,
1443                 .rates = TWL6040_RATES,
1444                 .formats = TWL6040_FORMATS,
1445         },
1446         .ops = &twl6040_dai_ops,
1447 },
1448 {
1449         .name = "twl6040-dl2",
1450         .playback = {
1451                 .stream_name = "Handsfree Playback",
1452                 .channels_min = 1,
1453                 .channels_max = 2,
1454                 .rates = TWL6040_RATES,
1455                 .formats = TWL6040_FORMATS,
1456         },
1457         .ops = &twl6040_dai_ops,
1458 },
1459 {
1460         .name = "twl6040-vib",
1461         .playback = {
1462                 .stream_name = "Vibra Playback",
1463                 .channels_min = 1,
1464                 .channels_max = 1,
1465                 .rates = SNDRV_PCM_RATE_CONTINUOUS,
1466                 .formats = TWL6040_FORMATS,
1467         },
1468         .ops = &twl6040_dai_ops,
1469 },
1470 };
1471
1472 #ifdef CONFIG_PM
1473 static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state)
1474 {
1475         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1476
1477         return 0;
1478 }
1479
1480 static int twl6040_resume(struct snd_soc_codec *codec)
1481 {
1482         twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1483         twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
1484
1485         return 0;
1486 }
1487 #else
1488 #define twl6040_suspend NULL
1489 #define twl6040_resume NULL
1490 #endif
1491
1492 static int twl6040_probe(struct snd_soc_codec *codec)
1493 {
1494         struct twl6040_data *priv;
1495         struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
1496         struct platform_device *pdev = container_of(codec->dev,
1497                                                    struct platform_device, dev);
1498         int ret = 0;
1499
1500         priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
1501         if (priv == NULL)
1502                 return -ENOMEM;
1503         snd_soc_codec_set_drvdata(codec, priv);
1504
1505         priv->codec = codec;
1506         codec->control_data = dev_get_drvdata(codec->dev->parent);
1507
1508         if (pdata && pdata->hs_left_step && pdata->hs_right_step) {
1509                 priv->hs_left_step = pdata->hs_left_step;
1510                 priv->hs_right_step = pdata->hs_right_step;
1511         } else {
1512                 priv->hs_left_step = 1;
1513                 priv->hs_right_step = 1;
1514         }
1515
1516         if (pdata && pdata->hf_left_step && pdata->hf_right_step) {
1517                 priv->hf_left_step = pdata->hf_left_step;
1518                 priv->hf_right_step = pdata->hf_right_step;
1519         } else {
1520                 priv->hf_left_step = 1;
1521                 priv->hf_right_step = 1;
1522         }
1523
1524         priv->plug_irq = platform_get_irq(pdev, 0);
1525         if (priv->plug_irq < 0) {
1526                 dev_err(codec->dev, "invalid irq\n");
1527                 ret = -EINVAL;
1528                 goto work_err;
1529         }
1530
1531         priv->workqueue = create_singlethread_workqueue("twl6040-codec");
1532         if (!priv->workqueue) {
1533                 ret = -ENOMEM;
1534                 goto work_err;
1535         }
1536
1537         INIT_DELAYED_WORK(&priv->delayed_work, twl6040_accessory_work);
1538
1539         mutex_init(&priv->mutex);
1540
1541         init_completion(&priv->headset.ramp_done);
1542         init_completion(&priv->handsfree.ramp_done);
1543
1544         priv->hf_workqueue = create_singlethread_workqueue("twl6040-hf");
1545         if (priv->hf_workqueue == NULL) {
1546                 ret = -ENOMEM;
1547                 goto hfwq_err;
1548         }
1549         priv->hs_workqueue = create_singlethread_workqueue("twl6040-hs");
1550         if (priv->hs_workqueue == NULL) {
1551                 ret = -ENOMEM;
1552                 goto hswq_err;
1553         }
1554
1555         INIT_DELAYED_WORK(&priv->hs_delayed_work, twl6040_pga_hs_work);
1556         INIT_DELAYED_WORK(&priv->hf_delayed_work, twl6040_pga_hf_work);
1557
1558         ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler,
1559                                    0, "twl6040_irq_plug", codec);
1560         if (ret) {
1561                 dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
1562                 goto plugirq_err;
1563         }
1564
1565         twl6040_init_chip(codec);
1566
1567         /* power on device */
1568         ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1569         if (ret)
1570                 goto bias_err;
1571
1572         snd_soc_add_controls(codec, twl6040_snd_controls,
1573                                 ARRAY_SIZE(twl6040_snd_controls));
1574         twl6040_add_widgets(codec);
1575
1576         return 0;
1577
1578 bias_err:
1579         free_irq(priv->plug_irq, codec);
1580 plugirq_err:
1581         destroy_workqueue(priv->hs_workqueue);
1582 hswq_err:
1583         destroy_workqueue(priv->hf_workqueue);
1584 hfwq_err:
1585         destroy_workqueue(priv->workqueue);
1586 work_err:
1587         kfree(priv);
1588         return ret;
1589 }
1590
1591 static int twl6040_remove(struct snd_soc_codec *codec)
1592 {
1593         struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
1594
1595         twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF);
1596         free_irq(priv->plug_irq, codec);
1597         destroy_workqueue(priv->workqueue);
1598         destroy_workqueue(priv->hf_workqueue);
1599         destroy_workqueue(priv->hs_workqueue);
1600         kfree(priv);
1601
1602         return 0;
1603 }
1604
1605 static struct snd_soc_codec_driver soc_codec_dev_twl6040 = {
1606         .probe = twl6040_probe,
1607         .remove = twl6040_remove,
1608         .suspend = twl6040_suspend,
1609         .resume = twl6040_resume,
1610         .read = twl6040_read_reg_cache,
1611         .write = twl6040_write,
1612         .set_bias_level = twl6040_set_bias_level,
1613         .reg_cache_size = ARRAY_SIZE(twl6040_reg),
1614         .reg_word_size = sizeof(u8),
1615         .reg_cache_default = twl6040_reg,
1616 };
1617
1618 static int __devinit twl6040_codec_probe(struct platform_device *pdev)
1619 {
1620         return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040,
1621                                       twl6040_dai, ARRAY_SIZE(twl6040_dai));
1622 }
1623
1624 static int __devexit twl6040_codec_remove(struct platform_device *pdev)
1625 {
1626         snd_soc_unregister_codec(&pdev->dev);
1627         return 0;
1628 }
1629
1630 static struct platform_driver twl6040_codec_driver = {
1631         .driver = {
1632                 .name = "twl6040-codec",
1633                 .owner = THIS_MODULE,
1634         },
1635         .probe = twl6040_codec_probe,
1636         .remove = __devexit_p(twl6040_codec_remove),
1637 };
1638
1639 static int __init twl6040_codec_init(void)
1640 {
1641         return platform_driver_register(&twl6040_codec_driver);
1642 }
1643 module_init(twl6040_codec_init);
1644
1645 static void __exit twl6040_codec_exit(void)
1646 {
1647         platform_driver_unregister(&twl6040_codec_driver);
1648 }
1649 module_exit(twl6040_codec_exit);
1650
1651 MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1652 MODULE_AUTHOR("Misael Lopez Cruz");
1653 MODULE_LICENSE("GPL");