kernel/sound/soc/codecs/wm_hubs.c

   1 /*
   2  * wm_hubs.c  --  WM8993/4 common code
   3  *
   4  * Copyright 2009-12 Wolfson Microelectronics plc
   5  *
   6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   7  *
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/module.h>
  15 #include <linux/moduleparam.h>
  16 #include <linux/init.h>
  17 #include <linux/delay.h>
  18 #include <linux/pm.h>
  19 #include <linux/i2c.h>
  20 #include <linux/mfd/wm8994/registers.h>
  21 #include <sound/core.h>
  22 #include <sound/pcm.h>
  23 #include <sound/pcm_params.h>
  24 #include <sound/soc.h>
  25 #include <sound/initval.h>
  26 #include <sound/tlv.h>
  27
  28 #include "wm8993.h"
  29 #include "wm_hubs.h"
  30
  31 const DECLARE_TLV_DB_SCALE(wm_hubs_spkmix_tlv, -300, 300, 0);
  32 EXPORT_SYMBOL_GPL(wm_hubs_spkmix_tlv);
  33
  34 static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1650, 150, 0);
  35 static const DECLARE_TLV_DB_SCALE(inmix_sw_tlv, 0, 3000, 0);
  36 static const DECLARE_TLV_DB_SCALE(inmix_tlv, -1500, 300, 1);
  37 static const DECLARE_TLV_DB_SCALE(earpiece_tlv, -600, 600, 0);
  38 static const DECLARE_TLV_DB_SCALE(outmix_tlv, -2100, 300, 0);
  39 static const DECLARE_TLV_DB_SCALE(spkmixout_tlv, -1800, 600, 1);
  40 static const DECLARE_TLV_DB_SCALE(outpga_tlv, -5700, 100, 0);
  41 static const DECLARE_TLV_DB_RANGE(spkboost_tlv,
  42         0, 6, TLV_DB_SCALE_ITEM(0, 150, 0),
  43         7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0)
  44 );
  45 static const DECLARE_TLV_DB_SCALE(line_tlv, -600, 600, 0);
  46
  47 static const char *speaker_ref_text[] = {
  48         "SPKVDD/2",
  49         "VMID",
  50 };
  51
  52 static SOC_ENUM_SINGLE_DECL(speaker_ref,
  53                             WM8993_SPEAKER_MIXER, 8, speaker_ref_text);
  54
  55 static const char *speaker_mode_text[] = {
  56         "Class D",
  57         "Class AB",
  58 };
  59
  60 static SOC_ENUM_SINGLE_DECL(speaker_mode,
  61                             WM8993_SPKMIXR_ATTENUATION, 8, speaker_mode_text);
  62
  63 static void wait_for_dc_servo(struct snd_soc_codec *codec, unsigned int op)
  64 {
  65         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
  66         unsigned int reg;
  67         int count = 0;
  68         int timeout;
  69         unsigned int val;
  70
  71         val = op | WM8993_DCS_ENA_CHAN_0 | WM8993_DCS_ENA_CHAN_1;
  72
  73         /* Trigger the command */
  74         snd_soc_write(codec, WM8993_DC_SERVO_0, val);
  75
  76         dev_dbg(codec->dev, "Waiting for DC servo...\n");
  77
  78         if (hubs->dcs_done_irq)
  79                 timeout = 4;
  80         else
  81                 timeout = 400;
  82
  83         do {
  84                 count++;
  85
  86                 if (hubs->dcs_done_irq)
  87                         wait_for_completion_timeout(&hubs->dcs_done,
  88                                                     msecs_to_jiffies(250));
  89                 else
  90                         msleep(1);
  91
  92                 reg = snd_soc_read(codec, WM8993_DC_SERVO_0);
  93                 dev_dbg(codec->dev, "DC servo: %x\n", reg);
  94         } while (reg & op && count < timeout);
  95
  96         if (reg & op)
  97                 dev_err(codec->dev, "Timed out waiting for DC Servo %x\n",
  98                         op);
  99 }
 100
 101 irqreturn_t wm_hubs_dcs_done(int irq, void *data)
 102 {
 103         struct wm_hubs_data *hubs = data;
 104
 105         complete(&hubs->dcs_done);
 106
 107         return IRQ_HANDLED;
 108 }
 109 EXPORT_SYMBOL_GPL(wm_hubs_dcs_done);
 110
 111 static bool wm_hubs_dac_hp_direct(struct snd_soc_codec *codec)
 112 {
 113         int reg;
 114
 115         /* If we're going via the mixer we'll need to do additional checks */
 116         reg = snd_soc_read(codec, WM8993_OUTPUT_MIXER1);
 117         if (!(reg & WM8993_DACL_TO_HPOUT1L)) {
 118                 if (reg & ~WM8993_DACL_TO_MIXOUTL) {
 119                         dev_vdbg(codec->dev, "Analogue paths connected: %x\n",
 120                                  reg & ~WM8993_DACL_TO_HPOUT1L);
 121                         return false;
 122                 } else {
 123                         dev_vdbg(codec->dev, "HPL connected to mixer\n");
 124                 }
 125         } else {
 126                 dev_vdbg(codec->dev, "HPL connected to DAC\n");
 127         }
 128
 129         reg = snd_soc_read(codec, WM8993_OUTPUT_MIXER2);
 130         if (!(reg & WM8993_DACR_TO_HPOUT1R)) {
 131                 if (reg & ~WM8993_DACR_TO_MIXOUTR) {
 132                         dev_vdbg(codec->dev, "Analogue paths connected: %x\n",
 133                                  reg & ~WM8993_DACR_TO_HPOUT1R);
 134                         return false;
 135                 } else {
 136                         dev_vdbg(codec->dev, "HPR connected to mixer\n");
 137                 }
 138         } else {
 139                 dev_vdbg(codec->dev, "HPR connected to DAC\n");
 140         }
 141
 142         return true;
 143 }
 144
 145 struct wm_hubs_dcs_cache {
 146         struct list_head list;
 147         unsigned int left;
 148         unsigned int right;
 149         u16 dcs_cfg;
 150 };
 151
 152 static bool wm_hubs_dcs_cache_get(struct snd_soc_codec *codec,
 153                                   struct wm_hubs_dcs_cache **entry)
 154 {
 155         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 156         struct wm_hubs_dcs_cache *cache;
 157         unsigned int left, right;
 158
 159         left = snd_soc_read(codec, WM8993_LEFT_OUTPUT_VOLUME);
 160         left &= WM8993_HPOUT1L_VOL_MASK;
 161
 162         right = snd_soc_read(codec, WM8993_RIGHT_OUTPUT_VOLUME);
 163         right &= WM8993_HPOUT1R_VOL_MASK;
 164
 165         list_for_each_entry(cache, &hubs->dcs_cache, list) {
 166                 if (cache->left != left || cache->right != right)
 167                         continue;
 168
 169                 *entry = cache;
 170                 return true;
 171         }
 172
 173         return false;
 174 }
 175
 176 static void wm_hubs_dcs_cache_set(struct snd_soc_codec *codec, u16 dcs_cfg)
 177 {
 178         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 179         struct wm_hubs_dcs_cache *cache;
 180
 181         if (hubs->no_cache_dac_hp_direct)
 182                 return;
 183
 184         cache = devm_kzalloc(codec->dev, sizeof(*cache), GFP_KERNEL);
 185         if (!cache)
 186                 return;
 187
 188         cache->left = snd_soc_read(codec, WM8993_LEFT_OUTPUT_VOLUME);
 189         cache->left &= WM8993_HPOUT1L_VOL_MASK;
 190
 191         cache->right = snd_soc_read(codec, WM8993_RIGHT_OUTPUT_VOLUME);
 192         cache->right &= WM8993_HPOUT1R_VOL_MASK;
 193
 194         cache->dcs_cfg = dcs_cfg;
 195
 196         list_add_tail(&cache->list, &hubs->dcs_cache);
 197 }
 198
 199 static int wm_hubs_read_dc_servo(struct snd_soc_codec *codec,
 200                                   u16 *reg_l, u16 *reg_r)
 201 {
 202         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 203         u16 dcs_reg, reg;
 204         int ret = 0;
 205
 206         switch (hubs->dcs_readback_mode) {
 207         case 2:
 208                 dcs_reg = WM8994_DC_SERVO_4E;
 209                 break;
 210         case 1:
 211                 dcs_reg = WM8994_DC_SERVO_READBACK;
 212                 break;
 213         default:
 214                 dcs_reg = WM8993_DC_SERVO_3;
 215                 break;
 216         }
 217
 218         /* Different chips in the family support different readback
 219          * methods.
 220          */
 221         switch (hubs->dcs_readback_mode) {
 222         case 0:
 223                 *reg_l = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1)
 224                         & WM8993_DCS_INTEG_CHAN_0_MASK;
 225                 *reg_r = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2)
 226                         & WM8993_DCS_INTEG_CHAN_1_MASK;
 227                 break;
 228         case 2:
 229         case 1:
 230                 reg = snd_soc_read(codec, dcs_reg);
 231                 *reg_r = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
 232                         >> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 233                 *reg_l = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
 234                 break;
 235         default:
 236                 WARN(1, "Unknown DCS readback method\n");
 237                 ret = -1;
 238         }
 239         return ret;
 240 }
 241
 242 /*
 243  * Startup calibration of the DC servo
 244  */
 245 static void enable_dc_servo(struct snd_soc_codec *codec)
 246 {
 247         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 248         struct wm_hubs_dcs_cache *cache;
 249         s8 offset;
 250         u16 reg_l, reg_r, dcs_cfg, dcs_reg;
 251
 252         switch (hubs->dcs_readback_mode) {
 253         case 2:
 254                 dcs_reg = WM8994_DC_SERVO_4E;
 255                 break;
 256         default:
 257                 dcs_reg = WM8993_DC_SERVO_3;
 258                 break;
 259         }
 260
 261         /* If we're using a digital only path and have a previously
 262          * callibrated DC servo offset stored then use that. */
 263         if (wm_hubs_dac_hp_direct(codec) &&
 264             wm_hubs_dcs_cache_get(codec, &cache)) {
 265                 dev_dbg(codec->dev, "Using cached DCS offset %x for %d,%d\n",
 266                         cache->dcs_cfg, cache->left, cache->right);
 267                 snd_soc_write(codec, dcs_reg, cache->dcs_cfg);
 268                 wait_for_dc_servo(codec,
 269                                   WM8993_DCS_TRIG_DAC_WR_0 |
 270                                   WM8993_DCS_TRIG_DAC_WR_1);
 271                 return;
 272         }
 273
 274         if (hubs->series_startup) {
 275                 /* Set for 32 series updates */
 276                 snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
 277                                     WM8993_DCS_SERIES_NO_01_MASK,
 278                                     32 << WM8993_DCS_SERIES_NO_01_SHIFT);
 279                 wait_for_dc_servo(codec,
 280                                   WM8993_DCS_TRIG_SERIES_0 |
 281                                   WM8993_DCS_TRIG_SERIES_1);
 282         } else {
 283                 wait_for_dc_servo(codec,
 284                                   WM8993_DCS_TRIG_STARTUP_0 |
 285                                   WM8993_DCS_TRIG_STARTUP_1);
 286         }
 287
 288         if (wm_hubs_read_dc_servo(codec, &reg_l, &reg_r) < 0)
 289                 return;
 290
 291         dev_dbg(codec->dev, "DCS input: %x %x\n", reg_l, reg_r);
 292
 293         /* Apply correction to DC servo result */
 294         if (hubs->dcs_codes_l || hubs->dcs_codes_r) {
 295                 dev_dbg(codec->dev,
 296                         "Applying %d/%d code DC servo correction\n",
 297                         hubs->dcs_codes_l, hubs->dcs_codes_r);
 298
 299                 /* HPOUT1R */
 300                 offset = (s8)reg_r;
 301                 dev_dbg(codec->dev, "DCS right %d->%d\n", offset,
 302                         offset + hubs->dcs_codes_r);
 303                 offset += hubs->dcs_codes_r;
 304                 dcs_cfg = (u8)offset << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 305
 306                 /* HPOUT1L */
 307                 offset = (s8)reg_l;
 308                 dev_dbg(codec->dev, "DCS left %d->%d\n", offset,
 309                         offset + hubs->dcs_codes_l);
 310                 offset += hubs->dcs_codes_l;
 311                 dcs_cfg |= (u8)offset;
 312
 313                 dev_dbg(codec->dev, "DCS result: %x\n", dcs_cfg);
 314
 315                 /* Do it */
 316                 snd_soc_write(codec, dcs_reg, dcs_cfg);
 317                 wait_for_dc_servo(codec,
 318                                   WM8993_DCS_TRIG_DAC_WR_0 |
 319                                   WM8993_DCS_TRIG_DAC_WR_1);
 320         } else {
 321                 dcs_cfg = reg_r << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 322                 dcs_cfg |= reg_l;
 323         }
 324
 325         /* Save the callibrated offset if we're in class W mode and
 326          * therefore don't have any analogue signal mixed in. */
 327         if (wm_hubs_dac_hp_direct(codec))
 328                 wm_hubs_dcs_cache_set(codec, dcs_cfg);
 329 }
 330
 331 /*
 332  * Update the DC servo calibration on gain changes
 333  */
 334 static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
 335                                struct snd_ctl_elem_value *ucontrol)
 336 {
 337         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 338         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 339         int ret;
 340
 341         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 342
 343         /* If we're applying an offset correction then updating the
 344          * callibration would be likely to introduce further offsets. */
 345         if (hubs->dcs_codes_l || hubs->dcs_codes_r || hubs->no_series_update)
 346                 return ret;
 347
 348         /* Only need to do this if the outputs are active */
 349         if (snd_soc_read(codec, WM8993_POWER_MANAGEMENT_1)
 350             & (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))
 351                 snd_soc_update_bits(codec,
 352                                     WM8993_DC_SERVO_0,
 353                                     WM8993_DCS_TRIG_SINGLE_0 |
 354                                     WM8993_DCS_TRIG_SINGLE_1,
 355                                     WM8993_DCS_TRIG_SINGLE_0 |
 356                                     WM8993_DCS_TRIG_SINGLE_1);
 357
 358         return ret;
 359 }
 360
 361 static const struct snd_kcontrol_new analogue_snd_controls[] = {
 362 SOC_SINGLE_TLV("IN1L Volume", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
 363                inpga_tlv),
 364 SOC_SINGLE("IN1L Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
 365 SOC_SINGLE("IN1L ZC Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 6, 1, 0),
 366
 367 SOC_SINGLE_TLV("IN1R Volume", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
 368                inpga_tlv),
 369 SOC_SINGLE("IN1R Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
 370 SOC_SINGLE("IN1R ZC Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 6, 1, 0),
 371
 372
 373 SOC_SINGLE_TLV("IN2L Volume", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
 374                inpga_tlv),
 375 SOC_SINGLE("IN2L Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
 376 SOC_SINGLE("IN2L ZC Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 6, 1, 0),
 377
 378 SOC_SINGLE_TLV("IN2R Volume", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
 379                inpga_tlv),
 380 SOC_SINGLE("IN2R Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
 381 SOC_SINGLE("IN2R ZC Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 6, 1, 0),
 382
 383 SOC_SINGLE_TLV("MIXINL IN2L Volume", WM8993_INPUT_MIXER3, 7, 1, 0,
 384                inmix_sw_tlv),
 385 SOC_SINGLE_TLV("MIXINL IN1L Volume", WM8993_INPUT_MIXER3, 4, 1, 0,
 386                inmix_sw_tlv),
 387 SOC_SINGLE_TLV("MIXINL Output Record Volume", WM8993_INPUT_MIXER3, 0, 7, 0,
 388                inmix_tlv),
 389 SOC_SINGLE_TLV("MIXINL IN1LP Volume", WM8993_INPUT_MIXER5, 6, 7, 0, inmix_tlv),
 390 SOC_SINGLE_TLV("MIXINL Direct Voice Volume", WM8993_INPUT_MIXER5, 0, 6, 0,
 391                inmix_tlv),
 392
 393 SOC_SINGLE_TLV("MIXINR IN2R Volume", WM8993_INPUT_MIXER4, 7, 1, 0,
 394                inmix_sw_tlv),
 395 SOC_SINGLE_TLV("MIXINR IN1R Volume", WM8993_INPUT_MIXER4, 4, 1, 0,
 396                inmix_sw_tlv),
 397 SOC_SINGLE_TLV("MIXINR Output Record Volume", WM8993_INPUT_MIXER4, 0, 7, 0,
 398                inmix_tlv),
 399 SOC_SINGLE_TLV("MIXINR IN1RP Volume", WM8993_INPUT_MIXER6, 6, 7, 0, inmix_tlv),
 400 SOC_SINGLE_TLV("MIXINR Direct Voice Volume", WM8993_INPUT_MIXER6, 0, 6, 0,
 401                inmix_tlv),
 402
 403 SOC_SINGLE_TLV("Left Output Mixer IN2RN Volume", WM8993_OUTPUT_MIXER5, 6, 7, 1,
 404                outmix_tlv),
 405 SOC_SINGLE_TLV("Left Output Mixer IN2LN Volume", WM8993_OUTPUT_MIXER3, 6, 7, 1,
 406                outmix_tlv),
 407 SOC_SINGLE_TLV("Left Output Mixer IN2LP Volume", WM8993_OUTPUT_MIXER3, 9, 7, 1,
 408                outmix_tlv),
 409 SOC_SINGLE_TLV("Left Output Mixer IN1L Volume", WM8993_OUTPUT_MIXER3, 0, 7, 1,
 410                outmix_tlv),
 411 SOC_SINGLE_TLV("Left Output Mixer IN1R Volume", WM8993_OUTPUT_MIXER3, 3, 7, 1,
 412                outmix_tlv),
 413 SOC_SINGLE_TLV("Left Output Mixer Right Input Volume",
 414                WM8993_OUTPUT_MIXER5, 3, 7, 1, outmix_tlv),
 415 SOC_SINGLE_TLV("Left Output Mixer Left Input Volume",
 416                WM8993_OUTPUT_MIXER5, 0, 7, 1, outmix_tlv),
 417 SOC_SINGLE_TLV("Left Output Mixer DAC Volume", WM8993_OUTPUT_MIXER5, 9, 7, 1,
 418                outmix_tlv),
 419
 420 SOC_SINGLE_TLV("Right Output Mixer IN2LN Volume",
 421                WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
 422 SOC_SINGLE_TLV("Right Output Mixer IN2RN Volume",
 423                WM8993_OUTPUT_MIXER4, 6, 7, 1, outmix_tlv),
 424 SOC_SINGLE_TLV("Right Output Mixer IN1L Volume",
 425                WM8993_OUTPUT_MIXER4, 3, 7, 1, outmix_tlv),
 426 SOC_SINGLE_TLV("Right Output Mixer IN1R Volume",
 427                WM8993_OUTPUT_MIXER4, 0, 7, 1, outmix_tlv),
 428 SOC_SINGLE_TLV("Right Output Mixer IN2RP Volume",
 429                WM8993_OUTPUT_MIXER4, 9, 7, 1, outmix_tlv),
 430 SOC_SINGLE_TLV("Right Output Mixer Left Input Volume",
 431                WM8993_OUTPUT_MIXER6, 3, 7, 1, outmix_tlv),
 432 SOC_SINGLE_TLV("Right Output Mixer Right Input Volume",
 433                WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
 434 SOC_SINGLE_TLV("Right Output Mixer DAC Volume",
 435                WM8993_OUTPUT_MIXER6, 9, 7, 1, outmix_tlv),
 436
 437 SOC_DOUBLE_R_TLV("Output Volume", WM8993_LEFT_OPGA_VOLUME,
 438                  WM8993_RIGHT_OPGA_VOLUME, 0, 63, 0, outpga_tlv),
 439 SOC_DOUBLE_R("Output Switch", WM8993_LEFT_OPGA_VOLUME,
 440              WM8993_RIGHT_OPGA_VOLUME, 6, 1, 0),
 441 SOC_DOUBLE_R("Output ZC Switch", WM8993_LEFT_OPGA_VOLUME,
 442              WM8993_RIGHT_OPGA_VOLUME, 7, 1, 0),
 443
 444 SOC_SINGLE("Earpiece Switch", WM8993_HPOUT2_VOLUME, 5, 1, 1),
 445 SOC_SINGLE_TLV("Earpiece Volume", WM8993_HPOUT2_VOLUME, 4, 1, 1, earpiece_tlv),
 446
 447 SOC_SINGLE_TLV("SPKL Input Volume", WM8993_SPKMIXL_ATTENUATION,
 448                5, 1, 1, wm_hubs_spkmix_tlv),
 449 SOC_SINGLE_TLV("SPKL IN1LP Volume", WM8993_SPKMIXL_ATTENUATION,
 450                4, 1, 1, wm_hubs_spkmix_tlv),
 451 SOC_SINGLE_TLV("SPKL Output Volume", WM8993_SPKMIXL_ATTENUATION,
 452                3, 1, 1, wm_hubs_spkmix_tlv),
 453
 454 SOC_SINGLE_TLV("SPKR Input Volume", WM8993_SPKMIXR_ATTENUATION,
 455                5, 1, 1, wm_hubs_spkmix_tlv),
 456 SOC_SINGLE_TLV("SPKR IN1RP Volume", WM8993_SPKMIXR_ATTENUATION,
 457                4, 1, 1, wm_hubs_spkmix_tlv),
 458 SOC_SINGLE_TLV("SPKR Output Volume", WM8993_SPKMIXR_ATTENUATION,
 459                3, 1, 1, wm_hubs_spkmix_tlv),
 460
 461 SOC_DOUBLE_R_TLV("Speaker Mixer Volume",
 462                  WM8993_SPKMIXL_ATTENUATION, WM8993_SPKMIXR_ATTENUATION,
 463                  0, 3, 1, spkmixout_tlv),
 464 SOC_DOUBLE_R_TLV("Speaker Volume",
 465                  WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
 466                  0, 63, 0, outpga_tlv),
 467 SOC_DOUBLE_R("Speaker Switch",
 468              WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
 469              6, 1, 0),
 470 SOC_DOUBLE_R("Speaker ZC Switch",
 471              WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
 472              7, 1, 0),
 473 SOC_DOUBLE_TLV("Speaker Boost Volume", WM8993_SPKOUT_BOOST, 3, 0, 7, 0,
 474                spkboost_tlv),
 475 SOC_ENUM("Speaker Reference", speaker_ref),
 476 SOC_ENUM("Speaker Mode", speaker_mode),
 477
 478 SOC_DOUBLE_R_EXT_TLV("Headphone Volume",
 479                      WM8993_LEFT_OUTPUT_VOLUME, WM8993_RIGHT_OUTPUT_VOLUME,
 480                      0, 63, 0, snd_soc_get_volsw, wm8993_put_dc_servo,
 481                      outpga_tlv),
 482
 483 SOC_DOUBLE_R("Headphone Switch", WM8993_LEFT_OUTPUT_VOLUME,
 484              WM8993_RIGHT_OUTPUT_VOLUME, 6, 1, 0),
 485 SOC_DOUBLE_R("Headphone ZC Switch", WM8993_LEFT_OUTPUT_VOLUME,
 486              WM8993_RIGHT_OUTPUT_VOLUME, 7, 1, 0),
 487
 488 SOC_SINGLE("LINEOUT1N Switch", WM8993_LINE_OUTPUTS_VOLUME, 6, 1, 1),
 489 SOC_SINGLE("LINEOUT1P Switch", WM8993_LINE_OUTPUTS_VOLUME, 5, 1, 1),
 490 SOC_SINGLE_TLV("LINEOUT1 Volume", WM8993_LINE_OUTPUTS_VOLUME, 4, 1, 1,
 491                line_tlv),
 492
 493 SOC_SINGLE("LINEOUT2N Switch", WM8993_LINE_OUTPUTS_VOLUME, 2, 1, 1),
 494 SOC_SINGLE("LINEOUT2P Switch", WM8993_LINE_OUTPUTS_VOLUME, 1, 1, 1),
 495 SOC_SINGLE_TLV("LINEOUT2 Volume", WM8993_LINE_OUTPUTS_VOLUME, 0, 1, 1,
 496                line_tlv),
 497 };
 498
 499 static int hp_supply_event(struct snd_soc_dapm_widget *w,
 500                            struct snd_kcontrol *kcontrol, int event)
 501 {
 502         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 503         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 504
 505         switch (event) {
 506         case SND_SOC_DAPM_PRE_PMU:
 507                 switch (hubs->hp_startup_mode) {
 508                 case 0:
 509                         break;
 510                 case 1:
 511                         /* Enable the headphone amp */
 512                         snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
 513                                             WM8993_HPOUT1L_ENA |
 514                                             WM8993_HPOUT1R_ENA,
 515                                             WM8993_HPOUT1L_ENA |
 516                                             WM8993_HPOUT1R_ENA);
 517
 518                         /* Enable the second stage */
 519                         snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
 520                                             WM8993_HPOUT1L_DLY |
 521                                             WM8993_HPOUT1R_DLY,
 522                                             WM8993_HPOUT1L_DLY |
 523                                             WM8993_HPOUT1R_DLY);
 524                         break;
 525                 default:
 526                         dev_err(codec->dev, "Unknown HP startup mode %d\n",
 527                                 hubs->hp_startup_mode);
 528                         break;
 529                 }
 530                 break;
 531
 532         case SND_SOC_DAPM_PRE_PMD:
 533                 snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
 534                                     WM8993_CP_ENA, 0);
 535                 break;
 536         }
 537
 538         return 0;
 539 }
 540
 541 static int hp_event(struct snd_soc_dapm_widget *w,
 542                     struct snd_kcontrol *kcontrol, int event)
 543 {
 544         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 545         unsigned int reg = snd_soc_read(codec, WM8993_ANALOGUE_HP_0);
 546
 547         switch (event) {
 548         case SND_SOC_DAPM_POST_PMU:
 549                 snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
 550                                     WM8993_CP_ENA, WM8993_CP_ENA);
 551
 552                 msleep(5);
 553
 554                 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
 555                                     WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
 556                                     WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA);
 557
 558                 reg |= WM8993_HPOUT1L_DLY | WM8993_HPOUT1R_DLY;
 559                 snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
 560
 561                 snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
 562                                     WM8993_DCS_TIMER_PERIOD_01_MASK, 0);
 563
 564                 enable_dc_servo(codec);
 565
 566                 reg |= WM8993_HPOUT1R_OUTP | WM8993_HPOUT1R_RMV_SHORT |
 567                         WM8993_HPOUT1L_OUTP | WM8993_HPOUT1L_RMV_SHORT;
 568                 snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
 569                 break;
 570
 571         case SND_SOC_DAPM_PRE_PMD:
 572                 snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
 573                                     WM8993_HPOUT1L_OUTP |
 574                                     WM8993_HPOUT1R_OUTP |
 575                                     WM8993_HPOUT1L_RMV_SHORT |
 576                                     WM8993_HPOUT1R_RMV_SHORT, 0);
 577
 578                 snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
 579                                     WM8993_HPOUT1L_DLY |
 580                                     WM8993_HPOUT1R_DLY, 0);
 581
 582                 snd_soc_write(codec, WM8993_DC_SERVO_0, 0);
 583
 584                 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
 585                                     WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
 586                                     0);
 587                 break;
 588         }
 589
 590         return 0;
 591 }
 592
 593 static int earpiece_event(struct snd_soc_dapm_widget *w,
 594                           struct snd_kcontrol *control, int event)
 595 {
 596         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 597         u16 reg = snd_soc_read(codec, WM8993_ANTIPOP1) & ~WM8993_HPOUT2_IN_ENA;
 598
 599         switch (event) {
 600         case SND_SOC_DAPM_PRE_PMU:
 601                 reg |= WM8993_HPOUT2_IN_ENA;
 602                 snd_soc_write(codec, WM8993_ANTIPOP1, reg);
 603                 udelay(50);
 604                 break;
 605
 606         case SND_SOC_DAPM_POST_PMD:
 607                 snd_soc_write(codec, WM8993_ANTIPOP1, reg);
 608                 break;
 609
 610         default:
 611                 WARN(1, "Invalid event %d\n", event);
 612                 break;
 613         }
 614
 615         return 0;
 616 }
 617
 618 static int lineout_event(struct snd_soc_dapm_widget *w,
 619                          struct snd_kcontrol *control, int event)
 620 {
 621         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 622         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 623         bool *flag;
 624
 625         switch (w->shift) {
 626         case WM8993_LINEOUT1N_ENA_SHIFT:
 627                 flag = &hubs->lineout1n_ena;
 628                 break;
 629         case WM8993_LINEOUT1P_ENA_SHIFT:
 630                 flag = &hubs->lineout1p_ena;
 631                 break;
 632         case WM8993_LINEOUT2N_ENA_SHIFT:
 633                 flag = &hubs->lineout2n_ena;
 634                 break;
 635         case WM8993_LINEOUT2P_ENA_SHIFT:
 636                 flag = &hubs->lineout2p_ena;
 637                 break;
 638         default:
 639                 WARN(1, "Unknown line output");
 640                 return -EINVAL;
 641         }
 642
 643         *flag = SND_SOC_DAPM_EVENT_ON(event);
 644
 645         return 0;
 646 }
 647
 648 static int micbias_event(struct snd_soc_dapm_widget *w,
 649                          struct snd_kcontrol *kcontrol, int event)
 650 {
 651         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 652         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 653
 654         switch (w->shift) {
 655         case WM8993_MICB1_ENA_SHIFT:
 656                 if (hubs->micb1_delay)
 657                         msleep(hubs->micb1_delay);
 658                 break;
 659         case WM8993_MICB2_ENA_SHIFT:
 660                 if (hubs->micb2_delay)
 661                         msleep(hubs->micb2_delay);
 662                 break;
 663         default:
 664                 return -EINVAL;
 665         }
 666
 667         return 0;
 668 }
 669
 670 void wm_hubs_update_class_w(struct snd_soc_codec *codec)
 671 {
 672         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 673         int enable = WM8993_CP_DYN_V | WM8993_CP_DYN_FREQ;
 674
 675         if (!wm_hubs_dac_hp_direct(codec))
 676                 enable = false;
 677
 678         if (hubs->check_class_w_digital && !hubs->check_class_w_digital(codec))
 679                 enable = false;
 680
 681         dev_vdbg(codec->dev, "Class W %s\n", enable ? "enabled" : "disabled");
 682
 683         snd_soc_update_bits(codec, WM8993_CLASS_W_0,
 684                             WM8993_CP_DYN_V | WM8993_CP_DYN_FREQ, enable);
 685
 686         snd_soc_write(codec, WM8993_LEFT_OUTPUT_VOLUME,
 687                       snd_soc_read(codec, WM8993_LEFT_OUTPUT_VOLUME));
 688         snd_soc_write(codec, WM8993_RIGHT_OUTPUT_VOLUME,
 689                       snd_soc_read(codec, WM8993_RIGHT_OUTPUT_VOLUME));
 690 }
 691 EXPORT_SYMBOL_GPL(wm_hubs_update_class_w);
 692
 693 #define WM_HUBS_SINGLE_W(xname, reg, shift, max, invert) \
 694         SOC_SINGLE_EXT(xname, reg, shift, max, invert, \
 695                 snd_soc_dapm_get_volsw, class_w_put_volsw)
 696
 697 static int class_w_put_volsw(struct snd_kcontrol *kcontrol,
 698                               struct snd_ctl_elem_value *ucontrol)
 699 {
 700         struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 701         int ret;
 702
 703         ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
 704
 705         wm_hubs_update_class_w(codec);
 706
 707         return ret;
 708 }
 709
 710 #define WM_HUBS_ENUM_W(xname, xenum) \
 711 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 712         .info = snd_soc_info_enum_double, \
 713         .get = snd_soc_dapm_get_enum_double, \
 714         .put = class_w_put_double, \
 715         .private_value = (unsigned long)&xenum }
 716
 717 static int class_w_put_double(struct snd_kcontrol *kcontrol,
 718                               struct snd_ctl_elem_value *ucontrol)
 719 {
 720         struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 721         int ret;
 722
 723         ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
 724
 725         wm_hubs_update_class_w(codec);
 726
 727         return ret;
 728 }
 729
 730 static const char *hp_mux_text[] = {
 731         "Mixer",
 732         "DAC",
 733 };
 734
 735 static SOC_ENUM_SINGLE_DECL(hpl_enum,
 736                             WM8993_OUTPUT_MIXER1, 8, hp_mux_text);
 737
 738 const struct snd_kcontrol_new wm_hubs_hpl_mux =
 739         WM_HUBS_ENUM_W("Left Headphone Mux", hpl_enum);
 740 EXPORT_SYMBOL_GPL(wm_hubs_hpl_mux);
 741
 742 static SOC_ENUM_SINGLE_DECL(hpr_enum,
 743                             WM8993_OUTPUT_MIXER2, 8, hp_mux_text);
 744
 745 const struct snd_kcontrol_new wm_hubs_hpr_mux =
 746         WM_HUBS_ENUM_W("Right Headphone Mux", hpr_enum);
 747 EXPORT_SYMBOL_GPL(wm_hubs_hpr_mux);
 748
 749 static const struct snd_kcontrol_new in1l_pga[] = {
 750 SOC_DAPM_SINGLE("IN1LP Switch", WM8993_INPUT_MIXER2, 5, 1, 0),
 751 SOC_DAPM_SINGLE("IN1LN Switch", WM8993_INPUT_MIXER2, 4, 1, 0),
 752 };
 753
 754 static const struct snd_kcontrol_new in1r_pga[] = {
 755 SOC_DAPM_SINGLE("IN1RP Switch", WM8993_INPUT_MIXER2, 1, 1, 0),
 756 SOC_DAPM_SINGLE("IN1RN Switch", WM8993_INPUT_MIXER2, 0, 1, 0),
 757 };
 758
 759 static const struct snd_kcontrol_new in2l_pga[] = {
 760 SOC_DAPM_SINGLE("IN2LP Switch", WM8993_INPUT_MIXER2, 7, 1, 0),
 761 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_INPUT_MIXER2, 6, 1, 0),
 762 };
 763
 764 static const struct snd_kcontrol_new in2r_pga[] = {
 765 SOC_DAPM_SINGLE("IN2RP Switch", WM8993_INPUT_MIXER2, 3, 1, 0),
 766 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_INPUT_MIXER2, 2, 1, 0),
 767 };
 768
 769 static const struct snd_kcontrol_new mixinl[] = {
 770 SOC_DAPM_SINGLE("IN2L Switch", WM8993_INPUT_MIXER3, 8, 1, 0),
 771 SOC_DAPM_SINGLE("IN1L Switch", WM8993_INPUT_MIXER3, 5, 1, 0),
 772 };
 773
 774 static const struct snd_kcontrol_new mixinr[] = {
 775 SOC_DAPM_SINGLE("IN2R Switch", WM8993_INPUT_MIXER4, 8, 1, 0),
 776 SOC_DAPM_SINGLE("IN1R Switch", WM8993_INPUT_MIXER4, 5, 1, 0),
 777 };
 778
 779 static const struct snd_kcontrol_new left_output_mixer[] = {
 780 WM_HUBS_SINGLE_W("Right Input Switch", WM8993_OUTPUT_MIXER1, 7, 1, 0),
 781 WM_HUBS_SINGLE_W("Left Input Switch", WM8993_OUTPUT_MIXER1, 6, 1, 0),
 782 WM_HUBS_SINGLE_W("IN2RN Switch", WM8993_OUTPUT_MIXER1, 5, 1, 0),
 783 WM_HUBS_SINGLE_W("IN2LN Switch", WM8993_OUTPUT_MIXER1, 4, 1, 0),
 784 WM_HUBS_SINGLE_W("IN2LP Switch", WM8993_OUTPUT_MIXER1, 1, 1, 0),
 785 WM_HUBS_SINGLE_W("IN1R Switch", WM8993_OUTPUT_MIXER1, 3, 1, 0),
 786 WM_HUBS_SINGLE_W("IN1L Switch", WM8993_OUTPUT_MIXER1, 2, 1, 0),
 787 WM_HUBS_SINGLE_W("DAC Switch", WM8993_OUTPUT_MIXER1, 0, 1, 0),
 788 };
 789
 790 static const struct snd_kcontrol_new right_output_mixer[] = {
 791 WM_HUBS_SINGLE_W("Left Input Switch", WM8993_OUTPUT_MIXER2, 7, 1, 0),
 792 WM_HUBS_SINGLE_W("Right Input Switch", WM8993_OUTPUT_MIXER2, 6, 1, 0),
 793 WM_HUBS_SINGLE_W("IN2LN Switch", WM8993_OUTPUT_MIXER2, 5, 1, 0),
 794 WM_HUBS_SINGLE_W("IN2RN Switch", WM8993_OUTPUT_MIXER2, 4, 1, 0),
 795 WM_HUBS_SINGLE_W("IN1L Switch", WM8993_OUTPUT_MIXER2, 3, 1, 0),
 796 WM_HUBS_SINGLE_W("IN1R Switch", WM8993_OUTPUT_MIXER2, 2, 1, 0),
 797 WM_HUBS_SINGLE_W("IN2RP Switch", WM8993_OUTPUT_MIXER2, 1, 1, 0),
 798 WM_HUBS_SINGLE_W("DAC Switch", WM8993_OUTPUT_MIXER2, 0, 1, 0),
 799 };
 800
 801 static const struct snd_kcontrol_new earpiece_mixer[] = {
 802 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_HPOUT2_MIXER, 5, 1, 0),
 803 SOC_DAPM_SINGLE("Left Output Switch", WM8993_HPOUT2_MIXER, 4, 1, 0),
 804 SOC_DAPM_SINGLE("Right Output Switch", WM8993_HPOUT2_MIXER, 3, 1, 0),
 805 };
 806
 807 static const struct snd_kcontrol_new left_speaker_boost[] = {
 808 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 5, 1, 0),
 809 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 4, 1, 0),
 810 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 3, 1, 0),
 811 };
 812
 813 static const struct snd_kcontrol_new right_speaker_boost[] = {
 814 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 2, 1, 0),
 815 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 1, 1, 0),
 816 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 0, 1, 0),
 817 };
 818
 819 static const struct snd_kcontrol_new line1_mix[] = {
 820 SOC_DAPM_SINGLE("IN1R Switch", WM8993_LINE_MIXER1, 2, 1, 0),
 821 SOC_DAPM_SINGLE("IN1L Switch", WM8993_LINE_MIXER1, 1, 1, 0),
 822 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
 823 };
 824
 825 static const struct snd_kcontrol_new line1n_mix[] = {
 826 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 6, 1, 0),
 827 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER1, 5, 1, 0),
 828 };
 829
 830 static const struct snd_kcontrol_new line1p_mix[] = {
 831 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
 832 };
 833
 834 static const struct snd_kcontrol_new line2_mix[] = {
 835 SOC_DAPM_SINGLE("IN1L Switch", WM8993_LINE_MIXER2, 2, 1, 0),
 836 SOC_DAPM_SINGLE("IN1R Switch", WM8993_LINE_MIXER2, 1, 1, 0),
 837 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
 838 };
 839
 840 static const struct snd_kcontrol_new line2n_mix[] = {
 841 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER2, 5, 1, 0),
 842 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 6, 1, 0),
 843 };
 844
 845 static const struct snd_kcontrol_new line2p_mix[] = {
 846 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
 847 };
 848
 849 static const struct snd_soc_dapm_widget analogue_dapm_widgets[] = {
 850 SND_SOC_DAPM_INPUT("IN1LN"),
 851 SND_SOC_DAPM_INPUT("IN1LP"),
 852 SND_SOC_DAPM_INPUT("IN2LN"),
 853 SND_SOC_DAPM_INPUT("IN2LP:VXRN"),
 854 SND_SOC_DAPM_INPUT("IN1RN"),
 855 SND_SOC_DAPM_INPUT("IN1RP"),
 856 SND_SOC_DAPM_INPUT("IN2RN"),
 857 SND_SOC_DAPM_INPUT("IN2RP:VXRP"),
 858
 859 SND_SOC_DAPM_SUPPLY("MICBIAS2", WM8993_POWER_MANAGEMENT_1, 5, 0,
 860                     micbias_event, SND_SOC_DAPM_POST_PMU),
 861 SND_SOC_DAPM_SUPPLY("MICBIAS1", WM8993_POWER_MANAGEMENT_1, 4, 0,
 862                     micbias_event, SND_SOC_DAPM_POST_PMU),
 863
 864 SND_SOC_DAPM_MIXER("IN1L PGA", WM8993_POWER_MANAGEMENT_2, 6, 0,
 865                    in1l_pga, ARRAY_SIZE(in1l_pga)),
 866 SND_SOC_DAPM_MIXER("IN1R PGA", WM8993_POWER_MANAGEMENT_2, 4, 0,
 867                    in1r_pga, ARRAY_SIZE(in1r_pga)),
 868
 869 SND_SOC_DAPM_MIXER("IN2L PGA", WM8993_POWER_MANAGEMENT_2, 7, 0,
 870                    in2l_pga, ARRAY_SIZE(in2l_pga)),
 871 SND_SOC_DAPM_MIXER("IN2R PGA", WM8993_POWER_MANAGEMENT_2, 5, 0,
 872                    in2r_pga, ARRAY_SIZE(in2r_pga)),
 873
 874 SND_SOC_DAPM_MIXER("MIXINL", WM8993_POWER_MANAGEMENT_2, 9, 0,
 875                    mixinl, ARRAY_SIZE(mixinl)),
 876 SND_SOC_DAPM_MIXER("MIXINR", WM8993_POWER_MANAGEMENT_2, 8, 0,
 877                    mixinr, ARRAY_SIZE(mixinr)),
 878
 879 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8993_POWER_MANAGEMENT_3, 5, 0,
 880                    left_output_mixer, ARRAY_SIZE(left_output_mixer)),
 881 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8993_POWER_MANAGEMENT_3, 4, 0,
 882                    right_output_mixer, ARRAY_SIZE(right_output_mixer)),
 883
 884 SND_SOC_DAPM_PGA("Left Output PGA", WM8993_POWER_MANAGEMENT_3, 7, 0, NULL, 0),
 885 SND_SOC_DAPM_PGA("Right Output PGA", WM8993_POWER_MANAGEMENT_3, 6, 0, NULL, 0),
 886
 887 SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0, hp_supply_event,
 888                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
 889 SND_SOC_DAPM_OUT_DRV_E("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
 890                        hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 891
 892 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
 893                    earpiece_mixer, ARRAY_SIZE(earpiece_mixer)),
 894 SND_SOC_DAPM_PGA_E("Earpiece Driver", WM8993_POWER_MANAGEMENT_1, 11, 0,
 895                    NULL, 0, earpiece_event,
 896                    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 897
 898 SND_SOC_DAPM_MIXER("SPKL Boost", SND_SOC_NOPM, 0, 0,
 899                    left_speaker_boost, ARRAY_SIZE(left_speaker_boost)),
 900 SND_SOC_DAPM_MIXER("SPKR Boost", SND_SOC_NOPM, 0, 0,
 901                    right_speaker_boost, ARRAY_SIZE(right_speaker_boost)),
 902
 903 SND_SOC_DAPM_SUPPLY("TSHUT", WM8993_POWER_MANAGEMENT_2, 14, 0, NULL, 0),
 904 SND_SOC_DAPM_OUT_DRV("SPKL Driver", WM8993_POWER_MANAGEMENT_1, 12, 0,
 905                      NULL, 0),
 906 SND_SOC_DAPM_OUT_DRV("SPKR Driver", WM8993_POWER_MANAGEMENT_1, 13, 0,
 907                      NULL, 0),
 908
 909 SND_SOC_DAPM_MIXER("LINEOUT1 Mixer", SND_SOC_NOPM, 0, 0,
 910                    line1_mix, ARRAY_SIZE(line1_mix)),
 911 SND_SOC_DAPM_MIXER("LINEOUT2 Mixer", SND_SOC_NOPM, 0, 0,
 912                    line2_mix, ARRAY_SIZE(line2_mix)),
 913
 914 SND_SOC_DAPM_MIXER("LINEOUT1N Mixer", SND_SOC_NOPM, 0, 0,
 915                    line1n_mix, ARRAY_SIZE(line1n_mix)),
 916 SND_SOC_DAPM_MIXER("LINEOUT1P Mixer", SND_SOC_NOPM, 0, 0,
 917                    line1p_mix, ARRAY_SIZE(line1p_mix)),
 918 SND_SOC_DAPM_MIXER("LINEOUT2N Mixer", SND_SOC_NOPM, 0, 0,
 919                    line2n_mix, ARRAY_SIZE(line2n_mix)),
 920 SND_SOC_DAPM_MIXER("LINEOUT2P Mixer", SND_SOC_NOPM, 0, 0,
 921                    line2p_mix, ARRAY_SIZE(line2p_mix)),
 922
 923 SND_SOC_DAPM_OUT_DRV_E("LINEOUT1N Driver", WM8993_POWER_MANAGEMENT_3, 13, 0,
 924                        NULL, 0, lineout_event,
 925                      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 926 SND_SOC_DAPM_OUT_DRV_E("LINEOUT1P Driver", WM8993_POWER_MANAGEMENT_3, 12, 0,
 927                        NULL, 0, lineout_event,
 928                        SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 929 SND_SOC_DAPM_OUT_DRV_E("LINEOUT2N Driver", WM8993_POWER_MANAGEMENT_3, 11, 0,
 930                        NULL, 0, lineout_event,
 931                        SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 932 SND_SOC_DAPM_OUT_DRV_E("LINEOUT2P Driver", WM8993_POWER_MANAGEMENT_3, 10, 0,
 933                        NULL, 0, lineout_event,
 934                        SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 935
 936 SND_SOC_DAPM_OUTPUT("SPKOUTLP"),
 937 SND_SOC_DAPM_OUTPUT("SPKOUTLN"),
 938 SND_SOC_DAPM_OUTPUT("SPKOUTRP"),
 939 SND_SOC_DAPM_OUTPUT("SPKOUTRN"),
 940 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
 941 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
 942 SND_SOC_DAPM_OUTPUT("HPOUT2P"),
 943 SND_SOC_DAPM_OUTPUT("HPOUT2N"),
 944 SND_SOC_DAPM_OUTPUT("LINEOUT1P"),
 945 SND_SOC_DAPM_OUTPUT("LINEOUT1N"),
 946 SND_SOC_DAPM_OUTPUT("LINEOUT2P"),
 947 SND_SOC_DAPM_OUTPUT("LINEOUT2N"),
 948 };
 949
 950 static const struct snd_soc_dapm_route analogue_routes[] = {
 951         { "MICBIAS1", NULL, "CLK_SYS" },
 952         { "MICBIAS2", NULL, "CLK_SYS" },
 953
 954         { "IN1L PGA", "IN1LP Switch", "IN1LP" },
 955         { "IN1L PGA", "IN1LN Switch", "IN1LN" },
 956
 957         { "IN1L PGA", NULL, "VMID" },
 958         { "IN1R PGA", NULL, "VMID" },
 959         { "IN2L PGA", NULL, "VMID" },
 960         { "IN2R PGA", NULL, "VMID" },
 961
 962         { "IN1R PGA", "IN1RP Switch", "IN1RP" },
 963         { "IN1R PGA", "IN1RN Switch", "IN1RN" },
 964
 965         { "IN2L PGA", "IN2LP Switch", "IN2LP:VXRN" },
 966         { "IN2L PGA", "IN2LN Switch", "IN2LN" },
 967
 968         { "IN2R PGA", "IN2RP Switch", "IN2RP:VXRP" },
 969         { "IN2R PGA", "IN2RN Switch", "IN2RN" },
 970
 971         { "Direct Voice", NULL, "IN2LP:VXRN" },
 972         { "Direct Voice", NULL, "IN2RP:VXRP" },
 973
 974         { "MIXINL", "IN1L Switch", "IN1L PGA" },
 975         { "MIXINL", "IN2L Switch", "IN2L PGA" },
 976         { "MIXINL", NULL, "Direct Voice" },
 977         { "MIXINL", NULL, "IN1LP" },
 978         { "MIXINL", NULL, "Left Output Mixer" },
 979         { "MIXINL", NULL, "VMID" },
 980
 981         { "MIXINR", "IN1R Switch", "IN1R PGA" },
 982         { "MIXINR", "IN2R Switch", "IN2R PGA" },
 983         { "MIXINR", NULL, "Direct Voice" },
 984         { "MIXINR", NULL, "IN1RP" },
 985         { "MIXINR", NULL, "Right Output Mixer" },
 986         { "MIXINR", NULL, "VMID" },
 987
 988         { "ADCL", NULL, "MIXINL" },
 989         { "ADCR", NULL, "MIXINR" },
 990
 991         { "Left Output Mixer", "Left Input Switch", "MIXINL" },
 992         { "Left Output Mixer", "Right Input Switch", "MIXINR" },
 993         { "Left Output Mixer", "IN2RN Switch", "IN2RN" },
 994         { "Left Output Mixer", "IN2LN Switch", "IN2LN" },
 995         { "Left Output Mixer", "IN2LP Switch", "IN2LP:VXRN" },
 996         { "Left Output Mixer", "IN1L Switch", "IN1L PGA" },
 997         { "Left Output Mixer", "IN1R Switch", "IN1R PGA" },
 998
 999         { "Right Output Mixer", "Left Input Switch", "MIXINL" },
1000         { "Right Output Mixer", "Right Input Switch", "MIXINR" },
1001         { "Right Output Mixer", "IN2LN Switch", "IN2LN" },
1002         { "Right Output Mixer", "IN2RN Switch", "IN2RN" },
1003         { "Right Output Mixer", "IN2RP Switch", "IN2RP:VXRP" },
1004         { "Right Output Mixer", "IN1L Switch", "IN1L PGA" },
1005         { "Right Output Mixer", "IN1R Switch", "IN1R PGA" },
1006
1007         { "Left Output PGA", NULL, "Left Output Mixer" },
1008         { "Left Output PGA", NULL, "TOCLK" },
1009
1010         { "Right Output PGA", NULL, "Right Output Mixer" },
1011         { "Right Output PGA", NULL, "TOCLK" },
1012
1013         { "Earpiece Mixer", "Direct Voice Switch", "Direct Voice" },
1014         { "Earpiece Mixer", "Left Output Switch", "Left Output PGA" },
1015         { "Earpiece Mixer", "Right Output Switch", "Right Output PGA" },
1016
1017         { "Earpiece Driver", NULL, "VMID" },
1018         { "Earpiece Driver", NULL, "Earpiece Mixer" },
1019         { "HPOUT2N", NULL, "Earpiece Driver" },
1020         { "HPOUT2P", NULL, "Earpiece Driver" },
1021
1022         { "SPKL", "Input Switch", "MIXINL" },
1023         { "SPKL", "IN1LP Switch", "IN1LP" },
1024         { "SPKL", "Output Switch", "Left Output PGA" },
1025         { "SPKL", NULL, "TOCLK" },
1026
1027         { "SPKR", "Input Switch", "MIXINR" },
1028         { "SPKR", "IN1RP Switch", "IN1RP" },
1029         { "SPKR", "Output Switch", "Right Output PGA" },
1030         { "SPKR", NULL, "TOCLK" },
1031
1032         { "SPKL Boost", "Direct Voice Switch", "Direct Voice" },
1033         { "SPKL Boost", "SPKL Switch", "SPKL" },
1034         { "SPKL Boost", "SPKR Switch", "SPKR" },
1035
1036         { "SPKR Boost", "Direct Voice Switch", "Direct Voice" },
1037         { "SPKR Boost", "SPKR Switch", "SPKR" },
1038         { "SPKR Boost", "SPKL Switch", "SPKL" },
1039
1040         { "SPKL Driver", NULL, "VMID" },
1041         { "SPKL Driver", NULL, "SPKL Boost" },
1042         { "SPKL Driver", NULL, "CLK_SYS" },
1043         { "SPKL Driver", NULL, "TSHUT" },
1044
1045         { "SPKR Driver", NULL, "VMID" },
1046         { "SPKR Driver", NULL, "SPKR Boost" },
1047         { "SPKR Driver", NULL, "CLK_SYS" },
1048         { "SPKR Driver", NULL, "TSHUT" },
1049
1050         { "SPKOUTLP", NULL, "SPKL Driver" },
1051         { "SPKOUTLN", NULL, "SPKL Driver" },
1052         { "SPKOUTRP", NULL, "SPKR Driver" },
1053         { "SPKOUTRN", NULL, "SPKR Driver" },
1054
1055         { "Left Headphone Mux", "Mixer", "Left Output PGA" },
1056         { "Right Headphone Mux", "Mixer", "Right Output PGA" },
1057
1058         { "Headphone PGA", NULL, "Left Headphone Mux" },
1059         { "Headphone PGA", NULL, "Right Headphone Mux" },
1060         { "Headphone PGA", NULL, "VMID" },
1061         { "Headphone PGA", NULL, "CLK_SYS" },
1062         { "Headphone PGA", NULL, "Headphone Supply" },
1063
1064         { "HPOUT1L", NULL, "Headphone PGA" },
1065         { "HPOUT1R", NULL, "Headphone PGA" },
1066
1067         { "LINEOUT1N Driver", NULL, "VMID" },
1068         { "LINEOUT1P Driver", NULL, "VMID" },
1069         { "LINEOUT2N Driver", NULL, "VMID" },
1070         { "LINEOUT2P Driver", NULL, "VMID" },
1071
1072         { "LINEOUT1N", NULL, "LINEOUT1N Driver" },
1073         { "LINEOUT1P", NULL, "LINEOUT1P Driver" },
1074         { "LINEOUT2N", NULL, "LINEOUT2N Driver" },
1075         { "LINEOUT2P", NULL, "LINEOUT2P Driver" },
1076 };
1077
1078 static const struct snd_soc_dapm_route lineout1_diff_routes[] = {
1079         { "LINEOUT1 Mixer", "IN1L Switch", "IN1L PGA" },
1080         { "LINEOUT1 Mixer", "IN1R Switch", "IN1R PGA" },
1081         { "LINEOUT1 Mixer", "Output Switch", "Left Output PGA" },
1082
1083         { "LINEOUT1N Driver", NULL, "LINEOUT1 Mixer" },
1084         { "LINEOUT1P Driver", NULL, "LINEOUT1 Mixer" },
1085 };
1086
1087 static const struct snd_soc_dapm_route lineout1_se_routes[] = {
1088         { "LINEOUT1N Mixer", "Left Output Switch", "Left Output PGA" },
1089         { "LINEOUT1N Mixer", "Right Output Switch", "Right Output PGA" },
1090
1091         { "LINEOUT1P Mixer", "Left Output Switch", "Left Output PGA" },
1092
1093         { "LINEOUT1N Driver", NULL, "LINEOUT1N Mixer" },
1094         { "LINEOUT1P Driver", NULL, "LINEOUT1P Mixer" },
1095 };
1096
1097 static const struct snd_soc_dapm_route lineout2_diff_routes[] = {
1098         { "LINEOUT2 Mixer", "IN1L Switch", "IN1L PGA" },
1099         { "LINEOUT2 Mixer", "IN1R Switch", "IN1R PGA" },
1100         { "LINEOUT2 Mixer", "Output Switch", "Right Output PGA" },
1101
1102         { "LINEOUT2N Driver", NULL, "LINEOUT2 Mixer" },
1103         { "LINEOUT2P Driver", NULL, "LINEOUT2 Mixer" },
1104 };
1105
1106 static const struct snd_soc_dapm_route lineout2_se_routes[] = {
1107         { "LINEOUT2N Mixer", "Left Output Switch", "Left Output PGA" },
1108         { "LINEOUT2N Mixer", "Right Output Switch", "Right Output PGA" },
1109
1110         { "LINEOUT2P Mixer", "Right Output Switch", "Right Output PGA" },
1111
1112         { "LINEOUT2N Driver", NULL, "LINEOUT2N Mixer" },
1113         { "LINEOUT2P Driver", NULL, "LINEOUT2P Mixer" },
1114 };
1115
1116 int wm_hubs_add_analogue_controls(struct snd_soc_codec *codec)
1117 {
1118         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
1119
1120         /* Latch volume update bits & default ZC on */
1121         snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_1_2_VOLUME,
1122                             WM8993_IN1_VU, WM8993_IN1_VU);
1123         snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_1_2_VOLUME,
1124                             WM8993_IN1_VU, WM8993_IN1_VU);
1125         snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_3_4_VOLUME,
1126                             WM8993_IN2_VU, WM8993_IN2_VU);
1127         snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_3_4_VOLUME,
1128                             WM8993_IN2_VU, WM8993_IN2_VU);
1129
1130         snd_soc_update_bits(codec, WM8993_SPEAKER_VOLUME_LEFT,
1131                             WM8993_SPKOUT_VU, WM8993_SPKOUT_VU);
1132         snd_soc_update_bits(codec, WM8993_SPEAKER_VOLUME_RIGHT,
1133                             WM8993_SPKOUT_VU, WM8993_SPKOUT_VU);
1134
1135         snd_soc_update_bits(codec, WM8993_LEFT_OUTPUT_VOLUME,
1136                             WM8993_HPOUT1_VU | WM8993_HPOUT1L_ZC,
1137                             WM8993_HPOUT1_VU | WM8993_HPOUT1L_ZC);
1138         snd_soc_update_bits(codec, WM8993_RIGHT_OUTPUT_VOLUME,
1139                             WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC,
1140                             WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC);
1141
1142         snd_soc_update_bits(codec, WM8993_LEFT_OPGA_VOLUME,
1143                             WM8993_MIXOUTL_ZC | WM8993_MIXOUT_VU,
1144                             WM8993_MIXOUTL_ZC | WM8993_MIXOUT_VU);
1145         snd_soc_update_bits(codec, WM8993_RIGHT_OPGA_VOLUME,
1146                             WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU,
1147                             WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU);
1148
1149         snd_soc_add_codec_controls(codec, analogue_snd_controls,
1150                              ARRAY_SIZE(analogue_snd_controls));
1151
1152         snd_soc_dapm_new_controls(dapm, analogue_dapm_widgets,
1153                                   ARRAY_SIZE(analogue_dapm_widgets));
1154         return 0;
1155 }
1156 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_controls);
1157
1158 int wm_hubs_add_analogue_routes(struct snd_soc_codec *codec,
1159                                 int lineout1_diff, int lineout2_diff)
1160 {
1161         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
1162         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
1163
1164         hubs->codec = codec;
1165
1166         INIT_LIST_HEAD(&hubs->dcs_cache);
1167         init_completion(&hubs->dcs_done);
1168
1169         snd_soc_dapm_add_routes(dapm, analogue_routes,
1170                                 ARRAY_SIZE(analogue_routes));
1171
1172         if (lineout1_diff)
1173                 snd_soc_dapm_add_routes(dapm,
1174                                         lineout1_diff_routes,
1175                                         ARRAY_SIZE(lineout1_diff_routes));
1176         else
1177                 snd_soc_dapm_add_routes(dapm,
1178                                         lineout1_se_routes,
1179                                         ARRAY_SIZE(lineout1_se_routes));
1180
1181         if (lineout2_diff)
1182                 snd_soc_dapm_add_routes(dapm,
1183                                         lineout2_diff_routes,
1184                                         ARRAY_SIZE(lineout2_diff_routes));
1185         else
1186                 snd_soc_dapm_add_routes(dapm,
1187                                         lineout2_se_routes,
1188                                         ARRAY_SIZE(lineout2_se_routes));
1189
1190         return 0;
1191 }
1192 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_routes);
1193
1194 int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *codec,
1195                                   int lineout1_diff, int lineout2_diff,
1196                                   int lineout1fb, int lineout2fb,
1197                                   int jd_scthr, int jd_thr,
1198                                   int micbias1_delay, int micbias2_delay,
1199                                   int micbias1_lvl, int micbias2_lvl)
1200 {
1201         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
1202
1203         hubs->lineout1_se = !lineout1_diff;
1204         hubs->lineout2_se = !lineout2_diff;
1205         hubs->micb1_delay = micbias1_delay;
1206         hubs->micb2_delay = micbias2_delay;
1207
1208         if (!lineout1_diff)
1209                 snd_soc_update_bits(codec, WM8993_LINE_MIXER1,
1210                                     WM8993_LINEOUT1_MODE,
1211                                     WM8993_LINEOUT1_MODE);
1212         if (!lineout2_diff)
1213                 snd_soc_update_bits(codec, WM8993_LINE_MIXER2,
1214                                     WM8993_LINEOUT2_MODE,
1215                                     WM8993_LINEOUT2_MODE);
1216
1217         if (!lineout1_diff && !lineout2_diff)
1218                 snd_soc_update_bits(codec, WM8993_ANTIPOP1,
1219                                     WM8993_LINEOUT_VMID_BUF_ENA,
1220                                     WM8993_LINEOUT_VMID_BUF_ENA);
1221
1222         if (lineout1fb)
1223                 snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
1224                                     WM8993_LINEOUT1_FB, WM8993_LINEOUT1_FB);
1225
1226         if (lineout2fb)
1227                 snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
1228                                     WM8993_LINEOUT2_FB, WM8993_LINEOUT2_FB);
1229
1230         snd_soc_update_bits(codec, WM8993_MICBIAS,
1231                             WM8993_JD_SCTHR_MASK | WM8993_JD_THR_MASK |
1232                             WM8993_MICB1_LVL | WM8993_MICB2_LVL,
1233                             jd_scthr << WM8993_JD_SCTHR_SHIFT |
1234                             jd_thr << WM8993_JD_THR_SHIFT |
1235                             micbias1_lvl |
1236                             micbias2_lvl << WM8993_MICB2_LVL_SHIFT);
1237
1238         return 0;
1239 }
1240 EXPORT_SYMBOL_GPL(wm_hubs_handle_analogue_pdata);
1241
1242 void wm_hubs_vmid_ena(struct snd_soc_codec *codec)
1243 {
1244         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
1245         int val = 0;
1246
1247         if (hubs->lineout1_se)
1248                 val |= WM8993_LINEOUT1N_ENA | WM8993_LINEOUT1P_ENA;
1249
1250         if (hubs->lineout2_se)
1251                 val |= WM8993_LINEOUT2N_ENA | WM8993_LINEOUT2P_ENA;
1252
1253         /* Enable the line outputs while we power up */
1254         snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_3, val, val);
1255 }
1256 EXPORT_SYMBOL_GPL(wm_hubs_vmid_ena);
1257
1258 void wm_hubs_set_bias_level(struct snd_soc_codec *codec,
1259                             enum snd_soc_bias_level level)
1260 {
1261         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
1262         int mask, val;
1263
1264         switch (level) {
1265         case SND_SOC_BIAS_STANDBY:
1266                 /* Clamp the inputs to VMID while we ramp to charge caps */
1267                 snd_soc_update_bits(codec, WM8993_INPUTS_CLAMP_REG,
1268                                     WM8993_INPUTS_CLAMP, WM8993_INPUTS_CLAMP);
1269                 break;
1270
1271         case SND_SOC_BIAS_ON:
1272                 /* Turn off any unneded single ended outputs */
1273                 val = 0;
1274                 mask = 0;
1275
1276                 if (hubs->lineout1_se)
1277                         mask |= WM8993_LINEOUT1N_ENA | WM8993_LINEOUT1P_ENA;
1278
1279                 if (hubs->lineout2_se)
1280                         mask |= WM8993_LINEOUT2N_ENA | WM8993_LINEOUT2P_ENA;
1281
1282                 if (hubs->lineout1_se && hubs->lineout1n_ena)
1283                         val |= WM8993_LINEOUT1N_ENA;
1284
1285                 if (hubs->lineout1_se && hubs->lineout1p_ena)
1286                         val |= WM8993_LINEOUT1P_ENA;
1287
1288                 if (hubs->lineout2_se && hubs->lineout2n_ena)
1289                         val |= WM8993_LINEOUT2N_ENA;
1290
1291                 if (hubs->lineout2_se && hubs->lineout2p_ena)
1292                         val |= WM8993_LINEOUT2P_ENA;
1293
1294                 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_3,
1295                                     mask, val);
1296
1297                 /* Remove the input clamps */
1298                 snd_soc_update_bits(codec, WM8993_INPUTS_CLAMP_REG,
1299                                     WM8993_INPUTS_CLAMP, 0);
1300                 break;
1301
1302         default:
1303                 break;
1304         }
1305 }
1306 EXPORT_SYMBOL_GPL(wm_hubs_set_bias_level);
1307
1308 MODULE_DESCRIPTION("Shared support for Wolfson hubs products");
1309 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
1310 MODULE_LICENSE("GPL");