release/src-rt-6.x.4708/linux/linux-2.6.36/sound/soc/codecs/wm_hubs.c

   1 /*
   2  * wm_hubs.c  --  WM8993/4 common code
   3  *
   4  * Copyright 2009 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/platform_device.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/soc-dapm.h>
  26 #include <sound/initval.h>
  27 #include <sound/tlv.h>
  28
  29 #include "wm8993.h"
  30 #include "wm_hubs.h"
  31
  32 const DECLARE_TLV_DB_SCALE(wm_hubs_spkmix_tlv, -300, 300, 0);
  33 EXPORT_SYMBOL_GPL(wm_hubs_spkmix_tlv);
  34
  35 static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1650, 150, 0);
  36 static const DECLARE_TLV_DB_SCALE(inmix_sw_tlv, 0, 3000, 0);
  37 static const DECLARE_TLV_DB_SCALE(inmix_tlv, -1500, 300, 1);
  38 static const DECLARE_TLV_DB_SCALE(earpiece_tlv, -600, 600, 0);
  39 static const DECLARE_TLV_DB_SCALE(outmix_tlv, -2100, 300, 0);
  40 static const DECLARE_TLV_DB_SCALE(spkmixout_tlv, -1800, 600, 1);
  41 static const DECLARE_TLV_DB_SCALE(outpga_tlv, -5700, 100, 0);
  42 static const unsigned int spkboost_tlv[] = {
  43         TLV_DB_RANGE_HEAD(7),
  44         0, 6, TLV_DB_SCALE_ITEM(0, 150, 0),
  45         7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0),
  46 };
  47 static const DECLARE_TLV_DB_SCALE(line_tlv, -600, 600, 0);
  48
  49 static const char *speaker_ref_text[] = {
  50         "SPKVDD/2",
  51         "VMID",
  52 };
  53
  54 static const struct soc_enum speaker_ref =
  55         SOC_ENUM_SINGLE(WM8993_SPEAKER_MIXER, 8, 2, speaker_ref_text);
  56
  57 static const char *speaker_mode_text[] = {
  58         "Class D",
  59         "Class AB",
  60 };
  61
  62 static const struct soc_enum speaker_mode =
  63         SOC_ENUM_SINGLE(WM8993_SPKMIXR_ATTENUATION, 8, 2, speaker_mode_text);
  64
  65 static void wait_for_dc_servo(struct snd_soc_codec *codec, unsigned int op)
  66 {
  67         unsigned int reg;
  68         int count = 0;
  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         do {
  79                 count++;
  80                 msleep(1);
  81                 reg = snd_soc_read(codec, WM8993_DC_SERVO_0);
  82                 dev_dbg(codec->dev, "DC servo: %x\n", reg);
  83         } while (reg & op && count < 400);
  84
  85         if (reg & op)
  86                 dev_err(codec->dev, "Timed out waiting for DC Servo\n");
  87 }
  88
  89 /*
  90  * Startup calibration of the DC servo
  91  */
  92 static void calibrate_dc_servo(struct snd_soc_codec *codec)
  93 {
  94         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
  95         s8 offset;
  96         u16 reg, reg_l, reg_r, dcs_cfg;
  97
  98         /* Set for 32 series updates */
  99         snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
 100                             WM8993_DCS_SERIES_NO_01_MASK,
 101                             32 << WM8993_DCS_SERIES_NO_01_SHIFT);
 102         wait_for_dc_servo(codec,
 103                           WM8993_DCS_TRIG_SERIES_0 | WM8993_DCS_TRIG_SERIES_1);
 104
 105         /* Apply correction to DC servo result */
 106         if (hubs->dcs_codes) {
 107                 dev_dbg(codec->dev, "Applying %d code DC servo correction\n",
 108                         hubs->dcs_codes);
 109
 110                 /* Different chips in the family support different
 111                  * readback methods.
 112                  */
 113                 switch (hubs->dcs_readback_mode) {
 114                 case 0:
 115                         reg_l = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1)
 116                                 & WM8993_DCS_INTEG_CHAN_0_MASK;;
 117                         reg_r = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2)
 118                                 & WM8993_DCS_INTEG_CHAN_1_MASK;
 119                         break;
 120                 case 1:
 121                         reg = snd_soc_read(codec, WM8993_DC_SERVO_3);
 122                         reg_l = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
 123                                 >> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 124                         reg_r = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
 125                         break;
 126                 default:
 127                         WARN(1, "Unknown DCS readback method");
 128                         break;
 129                 }
 130
 131                 dev_dbg(codec->dev, "DCS input: %x %x\n", reg_l, reg_r);
 132
 133                 /* HPOUT1L */
 134                 offset = reg_l;
 135                 offset += hubs->dcs_codes;
 136                 dcs_cfg = (u8)offset << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 137
 138                 /* HPOUT1R */
 139                 offset = reg_r;
 140                 offset += hubs->dcs_codes;
 141                 dcs_cfg |= (u8)offset;
 142
 143                 dev_dbg(codec->dev, "DCS result: %x\n", dcs_cfg);
 144
 145                 /* Do it */
 146                 snd_soc_write(codec, WM8993_DC_SERVO_3, dcs_cfg);
 147                 wait_for_dc_servo(codec,
 148                                   WM8993_DCS_TRIG_DAC_WR_0 |
 149                                   WM8993_DCS_TRIG_DAC_WR_1);
 150         }
 151 }
 152
 153 /*
 154  * Update the DC servo calibration on gain changes
 155  */
 156 static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
 157                                struct snd_ctl_elem_value *ucontrol)
 158 {
 159         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 160         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 161         int ret;
 162
 163         ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
 164
 165         /* If we're applying an offset correction then updating the
 166          * callibration would be likely to introduce further offsets. */
 167         if (hubs->dcs_codes)
 168                 return ret;
 169
 170         /* Only need to do this if the outputs are active */
 171         if (snd_soc_read(codec, WM8993_POWER_MANAGEMENT_1)
 172             & (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))
 173                 snd_soc_update_bits(codec,
 174                                     WM8993_DC_SERVO_0,
 175                                     WM8993_DCS_TRIG_SINGLE_0 |
 176                                     WM8993_DCS_TRIG_SINGLE_1,
 177                                     WM8993_DCS_TRIG_SINGLE_0 |
 178                                     WM8993_DCS_TRIG_SINGLE_1);
 179
 180         return ret;
 181 }
 182
 183 static const struct snd_kcontrol_new analogue_snd_controls[] = {
 184 SOC_SINGLE_TLV("IN1L Volume", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
 185                inpga_tlv),
 186 SOC_SINGLE("IN1L Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
 187 SOC_SINGLE("IN1L ZC Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 7, 1, 0),
 188
 189 SOC_SINGLE_TLV("IN1R Volume", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
 190                inpga_tlv),
 191 SOC_SINGLE("IN1R Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
 192 SOC_SINGLE("IN1R ZC Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 7, 1, 0),
 193
 194
 195 SOC_SINGLE_TLV("IN2L Volume", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
 196                inpga_tlv),
 197 SOC_SINGLE("IN2L Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
 198 SOC_SINGLE("IN2L ZC Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 7, 1, 0),
 199
 200 SOC_SINGLE_TLV("IN2R Volume", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
 201                inpga_tlv),
 202 SOC_SINGLE("IN2R Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
 203 SOC_SINGLE("IN2R ZC Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 7, 1, 0),
 204
 205 SOC_SINGLE_TLV("MIXINL IN2L Volume", WM8993_INPUT_MIXER3, 7, 1, 0,
 206                inmix_sw_tlv),
 207 SOC_SINGLE_TLV("MIXINL IN1L Volume", WM8993_INPUT_MIXER3, 4, 1, 0,
 208                inmix_sw_tlv),
 209 SOC_SINGLE_TLV("MIXINL Output Record Volume", WM8993_INPUT_MIXER3, 0, 7, 0,
 210                inmix_tlv),
 211 SOC_SINGLE_TLV("MIXINL IN1LP Volume", WM8993_INPUT_MIXER5, 6, 7, 0, inmix_tlv),
 212 SOC_SINGLE_TLV("MIXINL Direct Voice Volume", WM8993_INPUT_MIXER5, 0, 6, 0,
 213                inmix_tlv),
 214
 215 SOC_SINGLE_TLV("MIXINR IN2R Volume", WM8993_INPUT_MIXER4, 7, 1, 0,
 216                inmix_sw_tlv),
 217 SOC_SINGLE_TLV("MIXINR IN1R Volume", WM8993_INPUT_MIXER4, 4, 1, 0,
 218                inmix_sw_tlv),
 219 SOC_SINGLE_TLV("MIXINR Output Record Volume", WM8993_INPUT_MIXER4, 0, 7, 0,
 220                inmix_tlv),
 221 SOC_SINGLE_TLV("MIXINR IN1RP Volume", WM8993_INPUT_MIXER6, 6, 7, 0, inmix_tlv),
 222 SOC_SINGLE_TLV("MIXINR Direct Voice Volume", WM8993_INPUT_MIXER6, 0, 6, 0,
 223                inmix_tlv),
 224
 225 SOC_SINGLE_TLV("Left Output Mixer IN2RN Volume", WM8993_OUTPUT_MIXER5, 6, 7, 1,
 226                outmix_tlv),
 227 SOC_SINGLE_TLV("Left Output Mixer IN2LN Volume", WM8993_OUTPUT_MIXER3, 6, 7, 1,
 228                outmix_tlv),
 229 SOC_SINGLE_TLV("Left Output Mixer IN2LP Volume", WM8993_OUTPUT_MIXER3, 9, 7, 1,
 230                outmix_tlv),
 231 SOC_SINGLE_TLV("Left Output Mixer IN1L Volume", WM8993_OUTPUT_MIXER3, 0, 7, 1,
 232                outmix_tlv),
 233 SOC_SINGLE_TLV("Left Output Mixer IN1R Volume", WM8993_OUTPUT_MIXER3, 3, 7, 1,
 234                outmix_tlv),
 235 SOC_SINGLE_TLV("Left Output Mixer Right Input Volume",
 236                WM8993_OUTPUT_MIXER5, 3, 7, 1, outmix_tlv),
 237 SOC_SINGLE_TLV("Left Output Mixer Left Input Volume",
 238                WM8993_OUTPUT_MIXER5, 0, 7, 1, outmix_tlv),
 239 SOC_SINGLE_TLV("Left Output Mixer DAC Volume", WM8993_OUTPUT_MIXER5, 9, 7, 1,
 240                outmix_tlv),
 241
 242 SOC_SINGLE_TLV("Right Output Mixer IN2LN Volume",
 243                WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
 244 SOC_SINGLE_TLV("Right Output Mixer IN2RN Volume",
 245                WM8993_OUTPUT_MIXER4, 6, 7, 1, outmix_tlv),
 246 SOC_SINGLE_TLV("Right Output Mixer IN1L Volume",
 247                WM8993_OUTPUT_MIXER4, 3, 7, 1, outmix_tlv),
 248 SOC_SINGLE_TLV("Right Output Mixer IN1R Volume",
 249                WM8993_OUTPUT_MIXER4, 0, 7, 1, outmix_tlv),
 250 SOC_SINGLE_TLV("Right Output Mixer IN2RP Volume",
 251                WM8993_OUTPUT_MIXER4, 9, 7, 1, outmix_tlv),
 252 SOC_SINGLE_TLV("Right Output Mixer Left Input Volume",
 253                WM8993_OUTPUT_MIXER6, 3, 7, 1, outmix_tlv),
 254 SOC_SINGLE_TLV("Right Output Mixer Right Input Volume",
 255                WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
 256 SOC_SINGLE_TLV("Right Output Mixer DAC Volume",
 257                WM8993_OUTPUT_MIXER6, 9, 7, 1, outmix_tlv),
 258
 259 SOC_DOUBLE_R_TLV("Output Volume", WM8993_LEFT_OPGA_VOLUME,
 260                  WM8993_RIGHT_OPGA_VOLUME, 0, 63, 0, outpga_tlv),
 261 SOC_DOUBLE_R("Output Switch", WM8993_LEFT_OPGA_VOLUME,
 262              WM8993_RIGHT_OPGA_VOLUME, 6, 1, 0),
 263 SOC_DOUBLE_R("Output ZC Switch", WM8993_LEFT_OPGA_VOLUME,
 264              WM8993_RIGHT_OPGA_VOLUME, 7, 1, 0),
 265
 266 SOC_SINGLE("Earpiece Switch", WM8993_HPOUT2_VOLUME, 5, 1, 1),
 267 SOC_SINGLE_TLV("Earpiece Volume", WM8993_HPOUT2_VOLUME, 4, 1, 1, earpiece_tlv),
 268
 269 SOC_SINGLE_TLV("SPKL Input Volume", WM8993_SPKMIXL_ATTENUATION,
 270                5, 1, 1, wm_hubs_spkmix_tlv),
 271 SOC_SINGLE_TLV("SPKL IN1LP Volume", WM8993_SPKMIXL_ATTENUATION,
 272                4, 1, 1, wm_hubs_spkmix_tlv),
 273 SOC_SINGLE_TLV("SPKL Output Volume", WM8993_SPKMIXL_ATTENUATION,
 274                3, 1, 1, wm_hubs_spkmix_tlv),
 275
 276 SOC_SINGLE_TLV("SPKR Input Volume", WM8993_SPKMIXR_ATTENUATION,
 277                5, 1, 1, wm_hubs_spkmix_tlv),
 278 SOC_SINGLE_TLV("SPKR IN1RP Volume", WM8993_SPKMIXR_ATTENUATION,
 279                4, 1, 1, wm_hubs_spkmix_tlv),
 280 SOC_SINGLE_TLV("SPKR Output Volume", WM8993_SPKMIXR_ATTENUATION,
 281                3, 1, 1, wm_hubs_spkmix_tlv),
 282
 283 SOC_DOUBLE_R_TLV("Speaker Mixer Volume",
 284                  WM8993_SPKMIXL_ATTENUATION, WM8993_SPKMIXR_ATTENUATION,
 285                  0, 3, 1, spkmixout_tlv),
 286 SOC_DOUBLE_R_TLV("Speaker Volume",
 287                  WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
 288                  0, 63, 0, outpga_tlv),
 289 SOC_DOUBLE_R("Speaker Switch",
 290              WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
 291              6, 1, 0),
 292 SOC_DOUBLE_R("Speaker ZC Switch",
 293              WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
 294              7, 1, 0),
 295 SOC_DOUBLE_TLV("Speaker Boost Volume", WM8993_SPKOUT_BOOST, 3, 0, 7, 0,
 296                spkboost_tlv),
 297 SOC_ENUM("Speaker Reference", speaker_ref),
 298 SOC_ENUM("Speaker Mode", speaker_mode),
 299
 300 {
 301         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Headphone Volume",
 302         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |
 303                  SNDRV_CTL_ELEM_ACCESS_READWRITE,
 304         .tlv.p = outpga_tlv,
 305         .info = snd_soc_info_volsw_2r,
 306         .get = snd_soc_get_volsw_2r, .put = wm8993_put_dc_servo,
 307         .private_value = (unsigned long)&(struct soc_mixer_control) {
 308                 .reg = WM8993_LEFT_OUTPUT_VOLUME,
 309                 .rreg = WM8993_RIGHT_OUTPUT_VOLUME,
 310                 .shift = 0, .max = 63
 311         },
 312 },
 313 SOC_DOUBLE_R("Headphone Switch", WM8993_LEFT_OUTPUT_VOLUME,
 314              WM8993_RIGHT_OUTPUT_VOLUME, 6, 1, 0),
 315 SOC_DOUBLE_R("Headphone ZC Switch", WM8993_LEFT_OUTPUT_VOLUME,
 316              WM8993_RIGHT_OUTPUT_VOLUME, 7, 1, 0),
 317
 318 SOC_SINGLE("LINEOUT1N Switch", WM8993_LINE_OUTPUTS_VOLUME, 6, 1, 1),
 319 SOC_SINGLE("LINEOUT1P Switch", WM8993_LINE_OUTPUTS_VOLUME, 5, 1, 1),
 320 SOC_SINGLE_TLV("LINEOUT1 Volume", WM8993_LINE_OUTPUTS_VOLUME, 4, 1, 1,
 321                line_tlv),
 322
 323 SOC_SINGLE("LINEOUT2N Switch", WM8993_LINE_OUTPUTS_VOLUME, 2, 1, 1),
 324 SOC_SINGLE("LINEOUT2P Switch", WM8993_LINE_OUTPUTS_VOLUME, 1, 1, 1),
 325 SOC_SINGLE_TLV("LINEOUT2 Volume", WM8993_LINE_OUTPUTS_VOLUME, 0, 1, 1,
 326                line_tlv),
 327 };
 328
 329 static int hp_supply_event(struct snd_soc_dapm_widget *w,
 330                            struct snd_kcontrol *kcontrol, int event)
 331 {
 332         struct snd_soc_codec *codec = w->codec;
 333         struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
 334
 335         switch (event) {
 336         case SND_SOC_DAPM_PRE_PMU:
 337                 switch (hubs->hp_startup_mode) {
 338                 case 0:
 339                         break;
 340                 case 1:
 341                         /* Enable the headphone amp */
 342                         snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
 343                                             WM8993_HPOUT1L_ENA |
 344                                             WM8993_HPOUT1R_ENA,
 345                                             WM8993_HPOUT1L_ENA |
 346                                             WM8993_HPOUT1R_ENA);
 347
 348                         /* Enable the second stage */
 349                         snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
 350                                             WM8993_HPOUT1L_DLY |
 351                                             WM8993_HPOUT1R_DLY,
 352                                             WM8993_HPOUT1L_DLY |
 353                                             WM8993_HPOUT1R_DLY);
 354                         break;
 355                 default:
 356                         dev_err(codec->dev, "Unknown HP startup mode %d\n",
 357                                 hubs->hp_startup_mode);
 358                         break;
 359                 }
 360
 361         case SND_SOC_DAPM_PRE_PMD:
 362                 snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
 363                                     WM8993_CP_ENA, 0);
 364                 break;
 365         }
 366
 367         return 0;
 368 }
 369
 370 static int hp_event(struct snd_soc_dapm_widget *w,
 371                     struct snd_kcontrol *kcontrol, int event)
 372 {
 373         struct snd_soc_codec *codec = w->codec;
 374         unsigned int reg = snd_soc_read(codec, WM8993_ANALOGUE_HP_0);
 375
 376         switch (event) {
 377         case SND_SOC_DAPM_POST_PMU:
 378                 snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
 379                                     WM8993_CP_ENA, WM8993_CP_ENA);
 380
 381                 msleep(5);
 382
 383                 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
 384                                     WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
 385                                     WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA);
 386
 387                 reg |= WM8993_HPOUT1L_DLY | WM8993_HPOUT1R_DLY;
 388                 snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
 389
 390                 /* Smallest supported update interval */
 391                 snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
 392                                     WM8993_DCS_TIMER_PERIOD_01_MASK, 1);
 393
 394                 calibrate_dc_servo(codec);
 395
 396                 reg |= WM8993_HPOUT1R_OUTP | WM8993_HPOUT1R_RMV_SHORT |
 397                         WM8993_HPOUT1L_OUTP | WM8993_HPOUT1L_RMV_SHORT;
 398                 snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
 399                 break;
 400
 401         case SND_SOC_DAPM_PRE_PMD:
 402                 snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
 403                                     WM8993_HPOUT1L_OUTP |
 404                                     WM8993_HPOUT1R_OUTP |
 405                                     WM8993_HPOUT1L_RMV_SHORT |
 406                                     WM8993_HPOUT1R_RMV_SHORT, 0);
 407
 408                 snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
 409                                     WM8993_HPOUT1L_DLY |
 410                                     WM8993_HPOUT1R_DLY, 0);
 411
 412                 snd_soc_write(codec, WM8993_DC_SERVO_0, 0);
 413
 414                 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
 415                                     WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
 416                                     0);
 417                 break;
 418         }
 419
 420         return 0;
 421 }
 422
 423 static int earpiece_event(struct snd_soc_dapm_widget *w,
 424                           struct snd_kcontrol *control, int event)
 425 {
 426         struct snd_soc_codec *codec = w->codec;
 427         u16 reg = snd_soc_read(codec, WM8993_ANTIPOP1) & ~WM8993_HPOUT2_IN_ENA;
 428
 429         switch (event) {
 430         case SND_SOC_DAPM_PRE_PMU:
 431                 reg |= WM8993_HPOUT2_IN_ENA;
 432                 snd_soc_write(codec, WM8993_ANTIPOP1, reg);
 433                 udelay(50);
 434                 break;
 435
 436         case SND_SOC_DAPM_POST_PMD:
 437                 snd_soc_write(codec, WM8993_ANTIPOP1, reg);
 438                 break;
 439
 440         default:
 441                 BUG();
 442                 break;
 443         }
 444
 445         return 0;
 446 }
 447
 448 static const struct snd_kcontrol_new in1l_pga[] = {
 449 SOC_DAPM_SINGLE("IN1LP Switch", WM8993_INPUT_MIXER2, 5, 1, 0),
 450 SOC_DAPM_SINGLE("IN1LN Switch", WM8993_INPUT_MIXER2, 4, 1, 0),
 451 };
 452
 453 static const struct snd_kcontrol_new in1r_pga[] = {
 454 SOC_DAPM_SINGLE("IN1RP Switch", WM8993_INPUT_MIXER2, 1, 1, 0),
 455 SOC_DAPM_SINGLE("IN1RN Switch", WM8993_INPUT_MIXER2, 0, 1, 0),
 456 };
 457
 458 static const struct snd_kcontrol_new in2l_pga[] = {
 459 SOC_DAPM_SINGLE("IN2LP Switch", WM8993_INPUT_MIXER2, 7, 1, 0),
 460 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_INPUT_MIXER2, 6, 1, 0),
 461 };
 462
 463 static const struct snd_kcontrol_new in2r_pga[] = {
 464 SOC_DAPM_SINGLE("IN2RP Switch", WM8993_INPUT_MIXER2, 3, 1, 0),
 465 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_INPUT_MIXER2, 2, 1, 0),
 466 };
 467
 468 static const struct snd_kcontrol_new mixinl[] = {
 469 SOC_DAPM_SINGLE("IN2L Switch", WM8993_INPUT_MIXER3, 8, 1, 0),
 470 SOC_DAPM_SINGLE("IN1L Switch", WM8993_INPUT_MIXER3, 5, 1, 0),
 471 };
 472
 473 static const struct snd_kcontrol_new mixinr[] = {
 474 SOC_DAPM_SINGLE("IN2R Switch", WM8993_INPUT_MIXER4, 8, 1, 0),
 475 SOC_DAPM_SINGLE("IN1R Switch", WM8993_INPUT_MIXER4, 5, 1, 0),
 476 };
 477
 478 static const struct snd_kcontrol_new left_output_mixer[] = {
 479 SOC_DAPM_SINGLE("Right Input Switch", WM8993_OUTPUT_MIXER1, 7, 1, 0),
 480 SOC_DAPM_SINGLE("Left Input Switch", WM8993_OUTPUT_MIXER1, 6, 1, 0),
 481 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_OUTPUT_MIXER1, 5, 1, 0),
 482 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_OUTPUT_MIXER1, 4, 1, 0),
 483 SOC_DAPM_SINGLE("IN2LP Switch", WM8993_OUTPUT_MIXER1, 1, 1, 0),
 484 SOC_DAPM_SINGLE("IN1R Switch", WM8993_OUTPUT_MIXER1, 3, 1, 0),
 485 SOC_DAPM_SINGLE("IN1L Switch", WM8993_OUTPUT_MIXER1, 2, 1, 0),
 486 SOC_DAPM_SINGLE("DAC Switch", WM8993_OUTPUT_MIXER1, 0, 1, 0),
 487 };
 488
 489 static const struct snd_kcontrol_new right_output_mixer[] = {
 490 SOC_DAPM_SINGLE("Left Input Switch", WM8993_OUTPUT_MIXER2, 7, 1, 0),
 491 SOC_DAPM_SINGLE("Right Input Switch", WM8993_OUTPUT_MIXER2, 6, 1, 0),
 492 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_OUTPUT_MIXER2, 5, 1, 0),
 493 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_OUTPUT_MIXER2, 4, 1, 0),
 494 SOC_DAPM_SINGLE("IN1L Switch", WM8993_OUTPUT_MIXER2, 3, 1, 0),
 495 SOC_DAPM_SINGLE("IN1R Switch", WM8993_OUTPUT_MIXER2, 2, 1, 0),
 496 SOC_DAPM_SINGLE("IN2RP Switch", WM8993_OUTPUT_MIXER2, 1, 1, 0),
 497 SOC_DAPM_SINGLE("DAC Switch", WM8993_OUTPUT_MIXER2, 0, 1, 0),
 498 };
 499
 500 static const struct snd_kcontrol_new earpiece_mixer[] = {
 501 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_HPOUT2_MIXER, 5, 1, 0),
 502 SOC_DAPM_SINGLE("Left Output Switch", WM8993_HPOUT2_MIXER, 4, 1, 0),
 503 SOC_DAPM_SINGLE("Right Output Switch", WM8993_HPOUT2_MIXER, 3, 1, 0),
 504 };
 505
 506 static const struct snd_kcontrol_new left_speaker_boost[] = {
 507 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 5, 1, 0),
 508 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 4, 1, 0),
 509 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 3, 1, 0),
 510 };
 511
 512 static const struct snd_kcontrol_new right_speaker_boost[] = {
 513 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 2, 1, 0),
 514 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 1, 1, 0),
 515 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 0, 1, 0),
 516 };
 517
 518 static const struct snd_kcontrol_new line1_mix[] = {
 519 SOC_DAPM_SINGLE("IN1R Switch", WM8993_LINE_MIXER1, 2, 1, 0),
 520 SOC_DAPM_SINGLE("IN1L Switch", WM8993_LINE_MIXER1, 1, 1, 0),
 521 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
 522 };
 523
 524 static const struct snd_kcontrol_new line1n_mix[] = {
 525 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 6, 1, 0),
 526 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER1, 5, 1, 0),
 527 };
 528
 529 static const struct snd_kcontrol_new line1p_mix[] = {
 530 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
 531 };
 532
 533 static const struct snd_kcontrol_new line2_mix[] = {
 534 SOC_DAPM_SINGLE("IN2R Switch", WM8993_LINE_MIXER2, 2, 1, 0),
 535 SOC_DAPM_SINGLE("IN2L Switch", WM8993_LINE_MIXER2, 1, 1, 0),
 536 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
 537 };
 538
 539 static const struct snd_kcontrol_new line2n_mix[] = {
 540 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER2, 6, 1, 0),
 541 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 5, 1, 0),
 542 };
 543
 544 static const struct snd_kcontrol_new line2p_mix[] = {
 545 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
 546 };
 547
 548 static const struct snd_soc_dapm_widget analogue_dapm_widgets[] = {
 549 SND_SOC_DAPM_INPUT("IN1LN"),
 550 SND_SOC_DAPM_INPUT("IN1LP"),
 551 SND_SOC_DAPM_INPUT("IN2LN"),
 552 SND_SOC_DAPM_INPUT("IN2LP:VXRN"),
 553 SND_SOC_DAPM_INPUT("IN1RN"),
 554 SND_SOC_DAPM_INPUT("IN1RP"),
 555 SND_SOC_DAPM_INPUT("IN2RN"),
 556 SND_SOC_DAPM_INPUT("IN2RP:VXRP"),
 557
 558 SND_SOC_DAPM_MICBIAS("MICBIAS2", WM8993_POWER_MANAGEMENT_1, 5, 0),
 559 SND_SOC_DAPM_MICBIAS("MICBIAS1", WM8993_POWER_MANAGEMENT_1, 4, 0),
 560
 561 SND_SOC_DAPM_MIXER("IN1L PGA", WM8993_POWER_MANAGEMENT_2, 6, 0,
 562                    in1l_pga, ARRAY_SIZE(in1l_pga)),
 563 SND_SOC_DAPM_MIXER("IN1R PGA", WM8993_POWER_MANAGEMENT_2, 4, 0,
 564                    in1r_pga, ARRAY_SIZE(in1r_pga)),
 565
 566 SND_SOC_DAPM_MIXER("IN2L PGA", WM8993_POWER_MANAGEMENT_2, 7, 0,
 567                    in2l_pga, ARRAY_SIZE(in2l_pga)),
 568 SND_SOC_DAPM_MIXER("IN2R PGA", WM8993_POWER_MANAGEMENT_2, 5, 0,
 569                    in2r_pga, ARRAY_SIZE(in2r_pga)),
 570
 571 /* Dummy widgets to represent differential paths */
 572 SND_SOC_DAPM_PGA("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0),
 573
 574 SND_SOC_DAPM_MIXER("MIXINL", WM8993_POWER_MANAGEMENT_2, 9, 0,
 575                    mixinl, ARRAY_SIZE(mixinl)),
 576 SND_SOC_DAPM_MIXER("MIXINR", WM8993_POWER_MANAGEMENT_2, 8, 0,
 577                    mixinr, ARRAY_SIZE(mixinr)),
 578
 579 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8993_POWER_MANAGEMENT_3, 5, 0,
 580                    left_output_mixer, ARRAY_SIZE(left_output_mixer)),
 581 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8993_POWER_MANAGEMENT_3, 4, 0,
 582                    right_output_mixer, ARRAY_SIZE(right_output_mixer)),
 583
 584 SND_SOC_DAPM_PGA("Left Output PGA", WM8993_POWER_MANAGEMENT_3, 7, 0, NULL, 0),
 585 SND_SOC_DAPM_PGA("Right Output PGA", WM8993_POWER_MANAGEMENT_3, 6, 0, NULL, 0),
 586
 587 SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0, hp_supply_event,
 588                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
 589 SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0,
 590                    NULL, 0,
 591                    hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 592
 593 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
 594                    earpiece_mixer, ARRAY_SIZE(earpiece_mixer)),
 595 SND_SOC_DAPM_PGA_E("Earpiece Driver", WM8993_POWER_MANAGEMENT_1, 11, 0,
 596                    NULL, 0, earpiece_event,
 597                    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 598
 599 SND_SOC_DAPM_MIXER("SPKL Boost", SND_SOC_NOPM, 0, 0,
 600                    left_speaker_boost, ARRAY_SIZE(left_speaker_boost)),
 601 SND_SOC_DAPM_MIXER("SPKR Boost", SND_SOC_NOPM, 0, 0,
 602                    right_speaker_boost, ARRAY_SIZE(right_speaker_boost)),
 603
 604 SND_SOC_DAPM_PGA("SPKL Driver", WM8993_POWER_MANAGEMENT_1, 12, 0,
 605                  NULL, 0),
 606 SND_SOC_DAPM_PGA("SPKR Driver", WM8993_POWER_MANAGEMENT_1, 13, 0,
 607                  NULL, 0),
 608
 609 SND_SOC_DAPM_MIXER("LINEOUT1 Mixer", SND_SOC_NOPM, 0, 0,
 610                    line1_mix, ARRAY_SIZE(line1_mix)),
 611 SND_SOC_DAPM_MIXER("LINEOUT2 Mixer", SND_SOC_NOPM, 0, 0,
 612                    line2_mix, ARRAY_SIZE(line2_mix)),
 613
 614 SND_SOC_DAPM_MIXER("LINEOUT1N Mixer", SND_SOC_NOPM, 0, 0,
 615                    line1n_mix, ARRAY_SIZE(line1n_mix)),
 616 SND_SOC_DAPM_MIXER("LINEOUT1P Mixer", SND_SOC_NOPM, 0, 0,
 617                    line1p_mix, ARRAY_SIZE(line1p_mix)),
 618 SND_SOC_DAPM_MIXER("LINEOUT2N Mixer", SND_SOC_NOPM, 0, 0,
 619                    line2n_mix, ARRAY_SIZE(line2n_mix)),
 620 SND_SOC_DAPM_MIXER("LINEOUT2P Mixer", SND_SOC_NOPM, 0, 0,
 621                    line2p_mix, ARRAY_SIZE(line2p_mix)),
 622
 623 SND_SOC_DAPM_PGA("LINEOUT1N Driver", WM8993_POWER_MANAGEMENT_3, 13, 0,
 624                  NULL, 0),
 625 SND_SOC_DAPM_PGA("LINEOUT1P Driver", WM8993_POWER_MANAGEMENT_3, 12, 0,
 626                  NULL, 0),
 627 SND_SOC_DAPM_PGA("LINEOUT2N Driver", WM8993_POWER_MANAGEMENT_3, 11, 0,
 628                  NULL, 0),
 629 SND_SOC_DAPM_PGA("LINEOUT2P Driver", WM8993_POWER_MANAGEMENT_3, 10, 0,
 630                  NULL, 0),
 631
 632 SND_SOC_DAPM_OUTPUT("SPKOUTLP"),
 633 SND_SOC_DAPM_OUTPUT("SPKOUTLN"),
 634 SND_SOC_DAPM_OUTPUT("SPKOUTRP"),
 635 SND_SOC_DAPM_OUTPUT("SPKOUTRN"),
 636 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
 637 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
 638 SND_SOC_DAPM_OUTPUT("HPOUT2P"),
 639 SND_SOC_DAPM_OUTPUT("HPOUT2N"),
 640 SND_SOC_DAPM_OUTPUT("LINEOUT1P"),
 641 SND_SOC_DAPM_OUTPUT("LINEOUT1N"),
 642 SND_SOC_DAPM_OUTPUT("LINEOUT2P"),
 643 SND_SOC_DAPM_OUTPUT("LINEOUT2N"),
 644 };
 645
 646 static const struct snd_soc_dapm_route analogue_routes[] = {
 647         { "IN1L PGA", "IN1LP Switch", "IN1LP" },
 648         { "IN1L PGA", "IN1LN Switch", "IN1LN" },
 649
 650         { "IN1R PGA", "IN1RP Switch", "IN1RP" },
 651         { "IN1R PGA", "IN1RN Switch", "IN1RN" },
 652
 653         { "IN2L PGA", "IN2LP Switch", "IN2LP:VXRN" },
 654         { "IN2L PGA", "IN2LN Switch", "IN2LN" },
 655
 656         { "IN2R PGA", "IN2RP Switch", "IN2RP:VXRP" },
 657         { "IN2R PGA", "IN2RN Switch", "IN2RN" },
 658
 659         { "Direct Voice", NULL, "IN2LP:VXRN" },
 660         { "Direct Voice", NULL, "IN2RP:VXRP" },
 661
 662         { "MIXINL", "IN1L Switch", "IN1L PGA" },
 663         { "MIXINL", "IN2L Switch", "IN2L PGA" },
 664         { "MIXINL", NULL, "Direct Voice" },
 665         { "MIXINL", NULL, "IN1LP" },
 666         { "MIXINL", NULL, "Left Output Mixer" },
 667
 668         { "MIXINR", "IN1R Switch", "IN1R PGA" },
 669         { "MIXINR", "IN2R Switch", "IN2R PGA" },
 670         { "MIXINR", NULL, "Direct Voice" },
 671         { "MIXINR", NULL, "IN1RP" },
 672         { "MIXINR", NULL, "Right Output Mixer" },
 673
 674         { "ADCL", NULL, "MIXINL" },
 675         { "ADCR", NULL, "MIXINR" },
 676
 677         { "Left Output Mixer", "Left Input Switch", "MIXINL" },
 678         { "Left Output Mixer", "Right Input Switch", "MIXINR" },
 679         { "Left Output Mixer", "IN2RN Switch", "IN2RN" },
 680         { "Left Output Mixer", "IN2LN Switch", "IN2LN" },
 681         { "Left Output Mixer", "IN2LP Switch", "IN2LP:VXRN" },
 682         { "Left Output Mixer", "IN1L Switch", "IN1L PGA" },
 683         { "Left Output Mixer", "IN1R Switch", "IN1R PGA" },
 684
 685         { "Right Output Mixer", "Left Input Switch", "MIXINL" },
 686         { "Right Output Mixer", "Right Input Switch", "MIXINR" },
 687         { "Right Output Mixer", "IN2LN Switch", "IN2LN" },
 688         { "Right Output Mixer", "IN2RN Switch", "IN2RN" },
 689         { "Right Output Mixer", "IN2RP Switch", "IN2RP:VXRP" },
 690         { "Right Output Mixer", "IN1L Switch", "IN1L PGA" },
 691         { "Right Output Mixer", "IN1R Switch", "IN1R PGA" },
 692
 693         { "Left Output PGA", NULL, "Left Output Mixer" },
 694         { "Left Output PGA", NULL, "TOCLK" },
 695
 696         { "Right Output PGA", NULL, "Right Output Mixer" },
 697         { "Right Output PGA", NULL, "TOCLK" },
 698
 699         { "Earpiece Mixer", "Direct Voice Switch", "Direct Voice" },
 700         { "Earpiece Mixer", "Left Output Switch", "Left Output PGA" },
 701         { "Earpiece Mixer", "Right Output Switch", "Right Output PGA" },
 702
 703         { "Earpiece Driver", NULL, "Earpiece Mixer" },
 704         { "HPOUT2N", NULL, "Earpiece Driver" },
 705         { "HPOUT2P", NULL, "Earpiece Driver" },
 706
 707         { "SPKL", "Input Switch", "MIXINL" },
 708         { "SPKL", "IN1LP Switch", "IN1LP" },
 709         { "SPKL", "Output Switch", "Left Output Mixer" },
 710         { "SPKL", NULL, "TOCLK" },
 711
 712         { "SPKR", "Input Switch", "MIXINR" },
 713         { "SPKR", "IN1RP Switch", "IN1RP" },
 714         { "SPKR", "Output Switch", "Right Output Mixer" },
 715         { "SPKR", NULL, "TOCLK" },
 716
 717         { "SPKL Boost", "Direct Voice Switch", "Direct Voice" },
 718         { "SPKL Boost", "SPKL Switch", "SPKL" },
 719         { "SPKL Boost", "SPKR Switch", "SPKR" },
 720
 721         { "SPKR Boost", "Direct Voice Switch", "Direct Voice" },
 722         { "SPKR Boost", "SPKR Switch", "SPKR" },
 723         { "SPKR Boost", "SPKL Switch", "SPKL" },
 724
 725         { "SPKL Driver", NULL, "SPKL Boost" },
 726         { "SPKL Driver", NULL, "CLK_SYS" },
 727
 728         { "SPKR Driver", NULL, "SPKR Boost" },
 729         { "SPKR Driver", NULL, "CLK_SYS" },
 730
 731         { "SPKOUTLP", NULL, "SPKL Driver" },
 732         { "SPKOUTLN", NULL, "SPKL Driver" },
 733         { "SPKOUTRP", NULL, "SPKR Driver" },
 734         { "SPKOUTRN", NULL, "SPKR Driver" },
 735
 736         { "Left Headphone Mux", "Mixer", "Left Output Mixer" },
 737         { "Right Headphone Mux", "Mixer", "Right Output Mixer" },
 738
 739         { "Headphone PGA", NULL, "Left Headphone Mux" },
 740         { "Headphone PGA", NULL, "Right Headphone Mux" },
 741         { "Headphone PGA", NULL, "CLK_SYS" },
 742         { "Headphone PGA", NULL, "Headphone Supply" },
 743
 744         { "HPOUT1L", NULL, "Headphone PGA" },
 745         { "HPOUT1R", NULL, "Headphone PGA" },
 746
 747         { "LINEOUT1N", NULL, "LINEOUT1N Driver" },
 748         { "LINEOUT1P", NULL, "LINEOUT1P Driver" },
 749         { "LINEOUT2N", NULL, "LINEOUT2N Driver" },
 750         { "LINEOUT2P", NULL, "LINEOUT2P Driver" },
 751 };
 752
 753 static const struct snd_soc_dapm_route lineout1_diff_routes[] = {
 754         { "LINEOUT1 Mixer", "IN1L Switch", "IN1L PGA" },
 755         { "LINEOUT1 Mixer", "IN1R Switch", "IN1R PGA" },
 756         { "LINEOUT1 Mixer", "Output Switch", "Left Output Mixer" },
 757
 758         { "LINEOUT1N Driver", NULL, "LINEOUT1 Mixer" },
 759         { "LINEOUT1P Driver", NULL, "LINEOUT1 Mixer" },
 760 };
 761
 762 static const struct snd_soc_dapm_route lineout1_se_routes[] = {
 763         { "LINEOUT1N Mixer", "Left Output Switch", "Left Output Mixer" },
 764         { "LINEOUT1N Mixer", "Right Output Switch", "Left Output Mixer" },
 765
 766         { "LINEOUT1P Mixer", "Left Output Switch", "Left Output Mixer" },
 767
 768         { "LINEOUT1N Driver", NULL, "LINEOUT1N Mixer" },
 769         { "LINEOUT1P Driver", NULL, "LINEOUT1P Mixer" },
 770 };
 771
 772 static const struct snd_soc_dapm_route lineout2_diff_routes[] = {
 773         { "LINEOUT2 Mixer", "IN2L Switch", "IN2L PGA" },
 774         { "LINEOUT2 Mixer", "IN2R Switch", "IN2R PGA" },
 775         { "LINEOUT2 Mixer", "Output Switch", "Right Output Mixer" },
 776
 777         { "LINEOUT2N Driver", NULL, "LINEOUT2 Mixer" },
 778         { "LINEOUT2P Driver", NULL, "LINEOUT2 Mixer" },
 779 };
 780
 781 static const struct snd_soc_dapm_route lineout2_se_routes[] = {
 782         { "LINEOUT2N Mixer", "Left Output Switch", "Left Output Mixer" },
 783         { "LINEOUT2N Mixer", "Right Output Switch", "Left Output Mixer" },
 784
 785         { "LINEOUT2P Mixer", "Right Output Switch", "Right Output Mixer" },
 786
 787         { "LINEOUT2N Driver", NULL, "LINEOUT2N Mixer" },
 788         { "LINEOUT2P Driver", NULL, "LINEOUT2P Mixer" },
 789 };
 790
 791 int wm_hubs_add_analogue_controls(struct snd_soc_codec *codec)
 792 {
 793         /* Latch volume update bits & default ZC on */
 794         snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_1_2_VOLUME,
 795                             WM8993_IN1_VU, WM8993_IN1_VU);
 796         snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_1_2_VOLUME,
 797                             WM8993_IN1_VU, WM8993_IN1_VU);
 798         snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_3_4_VOLUME,
 799                             WM8993_IN2_VU, WM8993_IN2_VU);
 800         snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_3_4_VOLUME,
 801                             WM8993_IN2_VU, WM8993_IN2_VU);
 802
 803         snd_soc_update_bits(codec, WM8993_SPEAKER_VOLUME_RIGHT,
 804                             WM8993_SPKOUT_VU, WM8993_SPKOUT_VU);
 805
 806         snd_soc_update_bits(codec, WM8993_LEFT_OUTPUT_VOLUME,
 807                             WM8993_HPOUT1L_ZC, WM8993_HPOUT1L_ZC);
 808         snd_soc_update_bits(codec, WM8993_RIGHT_OUTPUT_VOLUME,
 809                             WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC,
 810                             WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC);
 811
 812         snd_soc_update_bits(codec, WM8993_LEFT_OPGA_VOLUME,
 813                             WM8993_MIXOUTL_ZC, WM8993_MIXOUTL_ZC);
 814         snd_soc_update_bits(codec, WM8993_RIGHT_OPGA_VOLUME,
 815                             WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU,
 816                             WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU);
 817
 818         snd_soc_add_controls(codec, analogue_snd_controls,
 819                              ARRAY_SIZE(analogue_snd_controls));
 820
 821         snd_soc_dapm_new_controls(codec, analogue_dapm_widgets,
 822                                   ARRAY_SIZE(analogue_dapm_widgets));
 823         return 0;
 824 }
 825 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_controls);
 826
 827 int wm_hubs_add_analogue_routes(struct snd_soc_codec *codec,
 828                                 int lineout1_diff, int lineout2_diff)
 829 {
 830         snd_soc_dapm_add_routes(codec, analogue_routes,
 831                                 ARRAY_SIZE(analogue_routes));
 832
 833         if (lineout1_diff)
 834                 snd_soc_dapm_add_routes(codec,
 835                                         lineout1_diff_routes,
 836                                         ARRAY_SIZE(lineout1_diff_routes));
 837         else
 838                 snd_soc_dapm_add_routes(codec,
 839                                         lineout1_se_routes,
 840                                         ARRAY_SIZE(lineout1_se_routes));
 841
 842         if (lineout2_diff)
 843                 snd_soc_dapm_add_routes(codec,
 844                                         lineout2_diff_routes,
 845                                         ARRAY_SIZE(lineout2_diff_routes));
 846         else
 847                 snd_soc_dapm_add_routes(codec,
 848                                         lineout2_se_routes,
 849                                         ARRAY_SIZE(lineout2_se_routes));
 850
 851         return 0;
 852 }
 853 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_routes);
 854
 855 int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *codec,
 856                                   int lineout1_diff, int lineout2_diff,
 857                                   int lineout1fb, int lineout2fb,
 858                                   int jd_scthr, int jd_thr, int micbias1_lvl,
 859                                   int micbias2_lvl)
 860 {
 861         if (!lineout1_diff)
 862                 snd_soc_update_bits(codec, WM8993_LINE_MIXER1,
 863                                     WM8993_LINEOUT1_MODE,
 864                                     WM8993_LINEOUT1_MODE);
 865         if (!lineout2_diff)
 866                 snd_soc_update_bits(codec, WM8993_LINE_MIXER2,
 867                                     WM8993_LINEOUT2_MODE,
 868                                     WM8993_LINEOUT2_MODE);
 869
 870         /* If the line outputs are differential then we aren't presenting
 871          * VMID as an output and can disable it.
 872          */
 873         if (lineout1_diff && lineout2_diff)
 874                 codec->idle_bias_off = 1;
 875
 876         if (lineout1fb)
 877                 snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
 878                                     WM8993_LINEOUT1_FB, WM8993_LINEOUT1_FB);
 879
 880         if (lineout2fb)
 881                 snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
 882                                     WM8993_LINEOUT2_FB, WM8993_LINEOUT2_FB);
 883
 884         snd_soc_update_bits(codec, WM8993_MICBIAS,
 885                             WM8993_JD_SCTHR_MASK | WM8993_JD_THR_MASK |
 886                             WM8993_MICB1_LVL | WM8993_MICB2_LVL,
 887                             jd_scthr << WM8993_JD_SCTHR_SHIFT |
 888                             jd_thr << WM8993_JD_THR_SHIFT |
 889                             micbias1_lvl |
 890                             micbias2_lvl << WM8993_MICB2_LVL_SHIFT);
 891
 892         return 0;
 893 }
 894 EXPORT_SYMBOL_GPL(wm_hubs_handle_analogue_pdata);
 895
 896 MODULE_DESCRIPTION("Shared support for Wolfson hubs products");
 897 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
 898 MODULE_LICENSE("GPL");