sound/soc/codecs/wm8400.c

   1 /*
   2  * wm8400.c  --  WM8400 ALSA Soc Audio driver
   3  *
   4  * Copyright 2008, 2009 Wolfson Microelectronics PLC.
   5  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   6  *
   7  *  This program is free software; you can redistribute  it and/or modify it
   8  *  under  the terms of  the GNU General  Public License as published by the
   9  *  Free Software Foundation;  either version 2 of the  License, or (at your
  10  *  option) any later version.
  11  *
  12  */
  13
  14 #include <linux/module.h>
  15 #include <linux/moduleparam.h>
  16 #include <linux/kernel.h>
  17 #include <linux/slab.h>
  18 #include <linux/init.h>
  19 #include <linux/delay.h>
  20 #include <linux/pm.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/regulator/consumer.h>
  23 #include <linux/mfd/wm8400-audio.h>
  24 #include <linux/mfd/wm8400-private.h>
  25 #include <linux/mfd/core.h>
  26 #include <sound/core.h>
  27 #include <sound/pcm.h>
  28 #include <sound/pcm_params.h>
  29 #include <sound/soc.h>
  30 #include <sound/initval.h>
  31 #include <sound/tlv.h>
  32
  33 #include "wm8400.h"
  34
  35 /* Fake register for internal state */
  36 #define WM8400_INTDRIVBITS      (WM8400_REGISTER_COUNT + 1)
  37 #define WM8400_INMIXL_PWR                       0
  38 #define WM8400_AINLMUX_PWR                      1
  39 #define WM8400_INMIXR_PWR                       2
  40 #define WM8400_AINRMUX_PWR                      3
  41
  42 static struct regulator_bulk_data power[] = {
  43         {
  44                 .supply = "I2S1VDD",
  45         },
  46         {
  47                 .supply = "I2S2VDD",
  48         },
  49         {
  50                 .supply = "DCVDD",
  51         },
  52         {
  53                 .supply = "AVDD",
  54         },
  55         {
  56                 .supply = "FLLVDD",
  57         },
  58         {
  59                 .supply = "HPVDD",
  60         },
  61         {
  62                 .supply = "SPKVDD",
  63         },
  64 };
  65
  66 /* codec private data */
  67 struct wm8400_priv {
  68         struct snd_soc_codec *codec;
  69         struct wm8400 *wm8400;
  70         u16 fake_register;
  71         unsigned int sysclk;
  72         unsigned int pcmclk;
  73         struct work_struct work;
  74         int fll_in, fll_out;
  75 };
  76
  77 static inline unsigned int wm8400_read(struct snd_soc_codec *codec,
  78                                        unsigned int reg)
  79 {
  80         struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
  81
  82         if (reg == WM8400_INTDRIVBITS)
  83                 return wm8400->fake_register;
  84         else
  85                 return wm8400_reg_read(wm8400->wm8400, reg);
  86 }
  87
  88 /*
  89  * write to the wm8400 register space
  90  */
  91 static int wm8400_write(struct snd_soc_codec *codec, unsigned int reg,
  92         unsigned int value)
  93 {
  94         struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
  95
  96         if (reg == WM8400_INTDRIVBITS) {
  97                 wm8400->fake_register = value;
  98                 return 0;
  99         } else
 100                 return wm8400_set_bits(wm8400->wm8400, reg, 0xffff, value);
 101 }
 102
 103 static void wm8400_codec_reset(struct snd_soc_codec *codec)
 104 {
 105         struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
 106
 107         wm8400_reset_codec_reg_cache(wm8400->wm8400);
 108 }
 109
 110 static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0);
 111
 112 static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
 113
 114 static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -2100, 0, 0);
 115
 116 static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
 117
 118 static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0);
 119
 120 static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
 121
 122 static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
 123
 124 static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
 125
 126 static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
 127         struct snd_ctl_elem_value *ucontrol)
 128 {
 129         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 130         struct soc_mixer_control *mc =
 131                 (struct soc_mixer_control *)kcontrol->private_value;
 132         int reg = mc->reg;
 133         int ret;
 134         u16 val;
 135
 136         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 137         if (ret < 0)
 138                 return ret;
 139
 140         /* now hit the volume update bits (always bit 8) */
 141         val = wm8400_read(codec, reg);
 142         return wm8400_write(codec, reg, val | 0x0100);
 143 }
 144
 145 #define WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \
 146 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 147         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 148                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 149         .tlv.p = (tlv_array), \
 150         .info = snd_soc_info_volsw, \
 151         .get = snd_soc_get_volsw, .put = wm8400_outpga_put_volsw_vu, \
 152         .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
 153
 154
 155 static const char *wm8400_digital_sidetone[] =
 156         {"None", "Left ADC", "Right ADC", "Reserved"};
 157
 158 static const struct soc_enum wm8400_left_digital_sidetone_enum =
 159 SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
 160                 WM8400_ADC_TO_DACL_SHIFT, 2, wm8400_digital_sidetone);
 161
 162 static const struct soc_enum wm8400_right_digital_sidetone_enum =
 163 SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
 164                 WM8400_ADC_TO_DACR_SHIFT, 2, wm8400_digital_sidetone);
 165
 166 static const char *wm8400_adcmode[] =
 167         {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
 168
 169 static const struct soc_enum wm8400_right_adcmode_enum =
 170 SOC_ENUM_SINGLE(WM8400_ADC_CTRL, WM8400_ADC_HPF_CUT_SHIFT, 3, wm8400_adcmode);
 171
 172 static const struct snd_kcontrol_new wm8400_snd_controls[] = {
 173 /* INMIXL */
 174 SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT,
 175            1, 0),
 176 SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT,
 177            1, 0),
 178 /* INMIXR */
 179 SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT,
 180            1, 0),
 181 SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT,
 182            1, 0),
 183
 184 /* LOMIX */
 185 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3,
 186         WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
 187 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
 188         WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv),
 189 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
 190         WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv),
 191 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5,
 192         WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
 193 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
 194         WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
 195 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
 196         WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
 197
 198 /* ROMIX */
 199 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4,
 200         WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
 201 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
 202         WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv),
 203 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
 204         WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv),
 205 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6,
 206         WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
 207 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
 208         WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv),
 209 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
 210         WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv),
 211
 212 /* LOUT */
 213 WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME,
 214         WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv),
 215 SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0),
 216
 217 /* ROUT */
 218 WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME,
 219         WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv),
 220 SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0),
 221
 222 /* LOPGA */
 223 WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME,
 224         WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv),
 225 SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME,
 226         WM8400_LOPGAZC_SHIFT, 1, 0),
 227
 228 /* ROPGA */
 229 WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME,
 230         WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv),
 231 SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME,
 232         WM8400_ROPGAZC_SHIFT, 1, 0),
 233
 234 SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 235         WM8400_LONMUTE_SHIFT, 1, 0),
 236 SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 237         WM8400_LOPMUTE_SHIFT, 1, 0),
 238 SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
 239         WM8400_LOATTN_SHIFT, 1, 0),
 240 SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 241         WM8400_RONMUTE_SHIFT, 1, 0),
 242 SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 243         WM8400_ROPMUTE_SHIFT, 1, 0),
 244 SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
 245         WM8400_ROATTN_SHIFT, 1, 0),
 246
 247 SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME,
 248         WM8400_OUT3MUTE_SHIFT, 1, 0),
 249 SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME,
 250         WM8400_OUT3ATTN_SHIFT, 1, 0),
 251
 252 SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME,
 253         WM8400_OUT4MUTE_SHIFT, 1, 0),
 254 SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME,
 255         WM8400_OUT4ATTN_SHIFT, 1, 0),
 256
 257 SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1,
 258         WM8400_CDMODE_SHIFT, 1, 0),
 259
 260 SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME,
 261         WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0),
 262 SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3,
 263         WM8400_DCGAIN_SHIFT, 6, 0),
 264 SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3,
 265         WM8400_ACGAIN_SHIFT, 6, 0),
 266
 267 WM8400_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
 268         WM8400_LEFT_DAC_DIGITAL_VOLUME, WM8400_DACL_VOL_SHIFT,
 269         127, 0, out_dac_tlv),
 270
 271 WM8400_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
 272         WM8400_RIGHT_DAC_DIGITAL_VOLUME, WM8400_DACR_VOL_SHIFT,
 273         127, 0, out_dac_tlv),
 274
 275 SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum),
 276 SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum),
 277
 278 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
 279         WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
 280 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
 281         WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
 282
 283 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL,
 284         WM8400_ADC_HPF_ENA_SHIFT, 1, 0),
 285
 286 SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum),
 287
 288 WM8400_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
 289         WM8400_LEFT_ADC_DIGITAL_VOLUME,
 290         WM8400_ADCL_VOL_SHIFT,
 291         WM8400_ADCL_VOL_MASK,
 292         0,
 293         in_adc_tlv),
 294
 295 WM8400_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
 296         WM8400_RIGHT_ADC_DIGITAL_VOLUME,
 297         WM8400_ADCR_VOL_SHIFT,
 298         WM8400_ADCR_VOL_MASK,
 299         0,
 300         in_adc_tlv),
 301
 302 WM8400_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
 303         WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
 304         WM8400_LIN12VOL_SHIFT,
 305         WM8400_LIN12VOL_MASK,
 306         0,
 307         in_pga_tlv),
 308
 309 SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
 310         WM8400_LI12ZC_SHIFT, 1, 0),
 311
 312 SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
 313         WM8400_LI12MUTE_SHIFT, 1, 0),
 314
 315 WM8400_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
 316         WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
 317         WM8400_LIN34VOL_SHIFT,
 318         WM8400_LIN34VOL_MASK,
 319         0,
 320         in_pga_tlv),
 321
 322 SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
 323         WM8400_LI34ZC_SHIFT, 1, 0),
 324
 325 SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
 326         WM8400_LI34MUTE_SHIFT, 1, 0),
 327
 328 WM8400_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
 329         WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
 330         WM8400_RIN12VOL_SHIFT,
 331         WM8400_RIN12VOL_MASK,
 332         0,
 333         in_pga_tlv),
 334
 335 SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
 336         WM8400_RI12ZC_SHIFT, 1, 0),
 337
 338 SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
 339         WM8400_RI12MUTE_SHIFT, 1, 0),
 340
 341 WM8400_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
 342         WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
 343         WM8400_RIN34VOL_SHIFT,
 344         WM8400_RIN34VOL_MASK,
 345         0,
 346         in_pga_tlv),
 347
 348 SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
 349         WM8400_RI34ZC_SHIFT, 1, 0),
 350
 351 SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
 352         WM8400_RI34MUTE_SHIFT, 1, 0),
 353
 354 };
 355
 356 /* add non dapm controls */
 357 static int wm8400_add_controls(struct snd_soc_codec *codec)
 358 {
 359         return snd_soc_add_controls(codec, wm8400_snd_controls,
 360                                 ARRAY_SIZE(wm8400_snd_controls));
 361 }
 362
 363 /*
 364  * _DAPM_ Controls
 365  */
 366
 367 static int inmixer_event (struct snd_soc_dapm_widget *w,
 368         struct snd_kcontrol *kcontrol, int event)
 369 {
 370         u16 reg, fakepower;
 371
 372         reg = wm8400_read(w->codec, WM8400_POWER_MANAGEMENT_2);
 373         fakepower = wm8400_read(w->codec, WM8400_INTDRIVBITS);
 374
 375         if (fakepower & ((1 << WM8400_INMIXL_PWR) |
 376                 (1 << WM8400_AINLMUX_PWR))) {
 377                 reg |= WM8400_AINL_ENA;
 378         } else {
 379                 reg &= ~WM8400_AINL_ENA;
 380         }
 381
 382         if (fakepower & ((1 << WM8400_INMIXR_PWR) |
 383                 (1 << WM8400_AINRMUX_PWR))) {
 384                 reg |= WM8400_AINR_ENA;
 385         } else {
 386                 reg &= ~WM8400_AINR_ENA;
 387         }
 388         wm8400_write(w->codec, WM8400_POWER_MANAGEMENT_2, reg);
 389
 390         return 0;
 391 }
 392
 393 static int outmixer_event (struct snd_soc_dapm_widget *w,
 394         struct snd_kcontrol * kcontrol, int event)
 395 {
 396         struct soc_mixer_control *mc =
 397                 (struct soc_mixer_control *)kcontrol->private_value;
 398         u32 reg_shift = mc->shift;
 399         int ret = 0;
 400         u16 reg;
 401
 402         switch (reg_shift) {
 403         case WM8400_SPEAKER_MIXER | (WM8400_LDSPK << 8) :
 404                 reg = wm8400_read(w->codec, WM8400_OUTPUT_MIXER1);
 405                 if (reg & WM8400_LDLO) {
 406                         printk(KERN_WARNING
 407                         "Cannot set as Output Mixer 1 LDLO Set\n");
 408                         ret = -1;
 409                 }
 410                 break;
 411         case WM8400_SPEAKER_MIXER | (WM8400_RDSPK << 8):
 412                 reg = wm8400_read(w->codec, WM8400_OUTPUT_MIXER2);
 413                 if (reg & WM8400_RDRO) {
 414                         printk(KERN_WARNING
 415                         "Cannot set as Output Mixer 2 RDRO Set\n");
 416                         ret = -1;
 417                 }
 418                 break;
 419         case WM8400_OUTPUT_MIXER1 | (WM8400_LDLO << 8):
 420                 reg = wm8400_read(w->codec, WM8400_SPEAKER_MIXER);
 421                 if (reg & WM8400_LDSPK) {
 422                         printk(KERN_WARNING
 423                         "Cannot set as Speaker Mixer LDSPK Set\n");
 424                         ret = -1;
 425                 }
 426                 break;
 427         case WM8400_OUTPUT_MIXER2 | (WM8400_RDRO << 8):
 428                 reg = wm8400_read(w->codec, WM8400_SPEAKER_MIXER);
 429                 if (reg & WM8400_RDSPK) {
 430                         printk(KERN_WARNING
 431                         "Cannot set as Speaker Mixer RDSPK Set\n");
 432                         ret = -1;
 433                 }
 434                 break;
 435         }
 436
 437         return ret;
 438 }
 439
 440 /* INMIX dB values */
 441 static const unsigned int in_mix_tlv[] = {
 442         TLV_DB_RANGE_HEAD(1),
 443         0,7, TLV_DB_SCALE_ITEM(-1200, 600, 0),
 444 };
 445
 446 /* Left In PGA Connections */
 447 static const struct snd_kcontrol_new wm8400_dapm_lin12_pga_controls[] = {
 448 SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0),
 449 SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0),
 450 };
 451
 452 static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = {
 453 SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0),
 454 SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0),
 455 };
 456
 457 /* Right In PGA Connections */
 458 static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = {
 459 SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0),
 460 SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0),
 461 };
 462
 463 static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = {
 464 SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0),
 465 SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0),
 466 };
 467
 468 /* INMIXL */
 469 static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = {
 470 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3,
 471         WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv),
 472 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT,
 473         7, 0, in_mix_tlv),
 474 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
 475                 1, 0),
 476 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
 477                 1, 0),
 478 };
 479
 480 /* INMIXR */
 481 static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = {
 482 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4,
 483         WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv),
 484 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT,
 485         7, 0, in_mix_tlv),
 486 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
 487         1, 0),
 488 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
 489         1, 0),
 490 };
 491
 492 /* AINLMUX */
 493 static const char *wm8400_ainlmux[] =
 494         {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
 495
 496 static const struct soc_enum wm8400_ainlmux_enum =
 497 SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINLMODE_SHIFT,
 498         ARRAY_SIZE(wm8400_ainlmux), wm8400_ainlmux);
 499
 500 static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls =
 501 SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum);
 502
 503 /* DIFFINL */
 504
 505 /* AINRMUX */
 506 static const char *wm8400_ainrmux[] =
 507         {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
 508
 509 static const struct soc_enum wm8400_ainrmux_enum =
 510 SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINRMODE_SHIFT,
 511         ARRAY_SIZE(wm8400_ainrmux), wm8400_ainrmux);
 512
 513 static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls =
 514 SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum);
 515
 516 /* RXVOICE */
 517 static const struct snd_kcontrol_new wm8400_dapm_rxvoice_controls[] = {
 518 SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8400_INPUT_MIXER5, WM8400_LR4BVOL_SHIFT,
 519                         WM8400_LR4BVOL_MASK, 0, in_mix_tlv),
 520 SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8400_INPUT_MIXER6, WM8400_RL4BVOL_SHIFT,
 521                         WM8400_RL4BVOL_MASK, 0, in_mix_tlv),
 522 };
 523
 524 /* LOMIX */
 525 static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = {
 526 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
 527         WM8400_LRBLO_SHIFT, 1, 0),
 528 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
 529         WM8400_LLBLO_SHIFT, 1, 0),
 530 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
 531         WM8400_LRI3LO_SHIFT, 1, 0),
 532 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
 533         WM8400_LLI3LO_SHIFT, 1, 0),
 534 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
 535         WM8400_LR12LO_SHIFT, 1, 0),
 536 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
 537         WM8400_LL12LO_SHIFT, 1, 0),
 538 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1,
 539         WM8400_LDLO_SHIFT, 1, 0),
 540 };
 541
 542 /* ROMIX */
 543 static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = {
 544 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
 545         WM8400_RLBRO_SHIFT, 1, 0),
 546 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
 547         WM8400_RRBRO_SHIFT, 1, 0),
 548 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
 549         WM8400_RLI3RO_SHIFT, 1, 0),
 550 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
 551         WM8400_RRI3RO_SHIFT, 1, 0),
 552 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
 553         WM8400_RL12RO_SHIFT, 1, 0),
 554 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
 555         WM8400_RR12RO_SHIFT, 1, 0),
 556 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2,
 557         WM8400_RDRO_SHIFT, 1, 0),
 558 };
 559
 560 /* LONMIX */
 561 static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = {
 562 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
 563         WM8400_LLOPGALON_SHIFT, 1, 0),
 564 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1,
 565         WM8400_LROPGALON_SHIFT, 1, 0),
 566 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1,
 567         WM8400_LOPLON_SHIFT, 1, 0),
 568 };
 569
 570 /* LOPMIX */
 571 static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = {
 572 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1,
 573         WM8400_LR12LOP_SHIFT, 1, 0),
 574 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1,
 575         WM8400_LL12LOP_SHIFT, 1, 0),
 576 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
 577         WM8400_LLOPGALOP_SHIFT, 1, 0),
 578 };
 579
 580 /* RONMIX */
 581 static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = {
 582 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
 583         WM8400_RROPGARON_SHIFT, 1, 0),
 584 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2,
 585         WM8400_RLOPGARON_SHIFT, 1, 0),
 586 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2,
 587         WM8400_ROPRON_SHIFT, 1, 0),
 588 };
 589
 590 /* ROPMIX */
 591 static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = {
 592 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2,
 593         WM8400_RL12ROP_SHIFT, 1, 0),
 594 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2,
 595         WM8400_RR12ROP_SHIFT, 1, 0),
 596 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
 597         WM8400_RROPGAROP_SHIFT, 1, 0),
 598 };
 599
 600 /* OUT3MIX */
 601 static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = {
 602 SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
 603         WM8400_LI4O3_SHIFT, 1, 0),
 604 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER,
 605         WM8400_LPGAO3_SHIFT, 1, 0),
 606 };
 607
 608 /* OUT4MIX */
 609 static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = {
 610 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER,
 611         WM8400_RPGAO4_SHIFT, 1, 0),
 612 SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
 613         WM8400_RI4O4_SHIFT, 1, 0),
 614 };
 615
 616 /* SPKMIX */
 617 static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = {
 618 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
 619         WM8400_LI2SPK_SHIFT, 1, 0),
 620 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER,
 621         WM8400_LB2SPK_SHIFT, 1, 0),
 622 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER,
 623         WM8400_LOPGASPK_SHIFT, 1, 0),
 624 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER,
 625         WM8400_LDSPK_SHIFT, 1, 0),
 626 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER,
 627         WM8400_RDSPK_SHIFT, 1, 0),
 628 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER,
 629         WM8400_ROPGASPK_SHIFT, 1, 0),
 630 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER,
 631         WM8400_RL12ROP_SHIFT, 1, 0),
 632 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
 633         WM8400_RI2SPK_SHIFT, 1, 0),
 634 };
 635
 636 static const struct snd_soc_dapm_widget wm8400_dapm_widgets[] = {
 637 /* Input Side */
 638 /* Input Lines */
 639 SND_SOC_DAPM_INPUT("LIN1"),
 640 SND_SOC_DAPM_INPUT("LIN2"),
 641 SND_SOC_DAPM_INPUT("LIN3"),
 642 SND_SOC_DAPM_INPUT("LIN4/RXN"),
 643 SND_SOC_DAPM_INPUT("RIN3"),
 644 SND_SOC_DAPM_INPUT("RIN4/RXP"),
 645 SND_SOC_DAPM_INPUT("RIN1"),
 646 SND_SOC_DAPM_INPUT("RIN2"),
 647 SND_SOC_DAPM_INPUT("Internal ADC Source"),
 648
 649 /* DACs */
 650 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8400_POWER_MANAGEMENT_2,
 651         WM8400_ADCL_ENA_SHIFT, 0),
 652 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2,
 653         WM8400_ADCR_ENA_SHIFT, 0),
 654
 655 /* Input PGAs */
 656 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8400_POWER_MANAGEMENT_2,
 657                    WM8400_LIN12_ENA_SHIFT,
 658                    0, &wm8400_dapm_lin12_pga_controls[0],
 659                    ARRAY_SIZE(wm8400_dapm_lin12_pga_controls)),
 660 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8400_POWER_MANAGEMENT_2,
 661                    WM8400_LIN34_ENA_SHIFT,
 662                    0, &wm8400_dapm_lin34_pga_controls[0],
 663                    ARRAY_SIZE(wm8400_dapm_lin34_pga_controls)),
 664 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8400_POWER_MANAGEMENT_2,
 665                    WM8400_RIN12_ENA_SHIFT,
 666                    0, &wm8400_dapm_rin12_pga_controls[0],
 667                    ARRAY_SIZE(wm8400_dapm_rin12_pga_controls)),
 668 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2,
 669                    WM8400_RIN34_ENA_SHIFT,
 670                    0, &wm8400_dapm_rin34_pga_controls[0],
 671                    ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)),
 672
 673 /* INMIXL */
 674 SND_SOC_DAPM_MIXER_E("INMIXL", WM8400_INTDRIVBITS, WM8400_INMIXL_PWR, 0,
 675         &wm8400_dapm_inmixl_controls[0],
 676         ARRAY_SIZE(wm8400_dapm_inmixl_controls),
 677         inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 678
 679 /* AINLMUX */
 680 SND_SOC_DAPM_MUX_E("AILNMUX", WM8400_INTDRIVBITS, WM8400_AINLMUX_PWR, 0,
 681         &wm8400_dapm_ainlmux_controls, inmixer_event,
 682         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 683
 684 /* INMIXR */
 685 SND_SOC_DAPM_MIXER_E("INMIXR", WM8400_INTDRIVBITS, WM8400_INMIXR_PWR, 0,
 686         &wm8400_dapm_inmixr_controls[0],
 687         ARRAY_SIZE(wm8400_dapm_inmixr_controls),
 688         inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 689
 690 /* AINRMUX */
 691 SND_SOC_DAPM_MUX_E("AIRNMUX", WM8400_INTDRIVBITS, WM8400_AINRMUX_PWR, 0,
 692         &wm8400_dapm_ainrmux_controls, inmixer_event,
 693         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 694
 695 /* Output Side */
 696 /* DACs */
 697 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8400_POWER_MANAGEMENT_3,
 698         WM8400_DACL_ENA_SHIFT, 0),
 699 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3,
 700         WM8400_DACR_ENA_SHIFT, 0),
 701
 702 /* LOMIX */
 703 SND_SOC_DAPM_MIXER_E("LOMIX", WM8400_POWER_MANAGEMENT_3,
 704                      WM8400_LOMIX_ENA_SHIFT,
 705                      0, &wm8400_dapm_lomix_controls[0],
 706                      ARRAY_SIZE(wm8400_dapm_lomix_controls),
 707                      outmixer_event, SND_SOC_DAPM_PRE_REG),
 708
 709 /* LONMIX */
 710 SND_SOC_DAPM_MIXER("LONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LON_ENA_SHIFT,
 711                    0, &wm8400_dapm_lonmix_controls[0],
 712                    ARRAY_SIZE(wm8400_dapm_lonmix_controls)),
 713
 714 /* LOPMIX */
 715 SND_SOC_DAPM_MIXER("LOPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOP_ENA_SHIFT,
 716                    0, &wm8400_dapm_lopmix_controls[0],
 717                    ARRAY_SIZE(wm8400_dapm_lopmix_controls)),
 718
 719 /* OUT3MIX */
 720 SND_SOC_DAPM_MIXER("OUT3MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT3_ENA_SHIFT,
 721                    0, &wm8400_dapm_out3mix_controls[0],
 722                    ARRAY_SIZE(wm8400_dapm_out3mix_controls)),
 723
 724 /* SPKMIX */
 725 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8400_POWER_MANAGEMENT_1, WM8400_SPK_ENA_SHIFT,
 726                      0, &wm8400_dapm_spkmix_controls[0],
 727                      ARRAY_SIZE(wm8400_dapm_spkmix_controls), outmixer_event,
 728                      SND_SOC_DAPM_PRE_REG),
 729
 730 /* OUT4MIX */
 731 SND_SOC_DAPM_MIXER("OUT4MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT4_ENA_SHIFT,
 732         0, &wm8400_dapm_out4mix_controls[0],
 733         ARRAY_SIZE(wm8400_dapm_out4mix_controls)),
 734
 735 /* ROPMIX */
 736 SND_SOC_DAPM_MIXER("ROPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROP_ENA_SHIFT,
 737                    0, &wm8400_dapm_ropmix_controls[0],
 738                    ARRAY_SIZE(wm8400_dapm_ropmix_controls)),
 739
 740 /* RONMIX */
 741 SND_SOC_DAPM_MIXER("RONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_RON_ENA_SHIFT,
 742                    0, &wm8400_dapm_ronmix_controls[0],
 743                    ARRAY_SIZE(wm8400_dapm_ronmix_controls)),
 744
 745 /* ROMIX */
 746 SND_SOC_DAPM_MIXER_E("ROMIX", WM8400_POWER_MANAGEMENT_3,
 747                      WM8400_ROMIX_ENA_SHIFT,
 748                      0, &wm8400_dapm_romix_controls[0],
 749                      ARRAY_SIZE(wm8400_dapm_romix_controls),
 750                      outmixer_event, SND_SOC_DAPM_PRE_REG),
 751
 752 /* LOUT PGA */
 753 SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT,
 754                  0, NULL, 0),
 755
 756 /* ROUT PGA */
 757 SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT,
 758                  0, NULL, 0),
 759
 760 /* LOPGA */
 761 SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0,
 762         NULL, 0),
 763
 764 /* ROPGA */
 765 SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0,
 766         NULL, 0),
 767
 768 /* MICBIAS */
 769 SND_SOC_DAPM_MICBIAS("MICBIAS", WM8400_POWER_MANAGEMENT_1,
 770         WM8400_MIC1BIAS_ENA_SHIFT, 0),
 771
 772 SND_SOC_DAPM_OUTPUT("LON"),
 773 SND_SOC_DAPM_OUTPUT("LOP"),
 774 SND_SOC_DAPM_OUTPUT("OUT3"),
 775 SND_SOC_DAPM_OUTPUT("LOUT"),
 776 SND_SOC_DAPM_OUTPUT("SPKN"),
 777 SND_SOC_DAPM_OUTPUT("SPKP"),
 778 SND_SOC_DAPM_OUTPUT("ROUT"),
 779 SND_SOC_DAPM_OUTPUT("OUT4"),
 780 SND_SOC_DAPM_OUTPUT("ROP"),
 781 SND_SOC_DAPM_OUTPUT("RON"),
 782
 783 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
 784 };
 785
 786 static const struct snd_soc_dapm_route audio_map[] = {
 787         /* Make DACs turn on when playing even if not mixed into any outputs */
 788         {"Internal DAC Sink", NULL, "Left DAC"},
 789         {"Internal DAC Sink", NULL, "Right DAC"},
 790
 791         /* Make ADCs turn on when recording
 792          * even if not mixed from any inputs */
 793         {"Left ADC", NULL, "Internal ADC Source"},
 794         {"Right ADC", NULL, "Internal ADC Source"},
 795
 796         /* Input Side */
 797         /* LIN12 PGA */
 798         {"LIN12 PGA", "LIN1 Switch", "LIN1"},
 799         {"LIN12 PGA", "LIN2 Switch", "LIN2"},
 800         /* LIN34 PGA */
 801         {"LIN34 PGA", "LIN3 Switch", "LIN3"},
 802         {"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
 803         /* INMIXL */
 804         {"INMIXL", "Record Left Volume", "LOMIX"},
 805         {"INMIXL", "LIN2 Volume", "LIN2"},
 806         {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
 807         {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
 808         /* AILNMUX */
 809         {"AILNMUX", "INMIXL Mix", "INMIXL"},
 810         {"AILNMUX", "DIFFINL Mix", "LIN12 PGA"},
 811         {"AILNMUX", "DIFFINL Mix", "LIN34 PGA"},
 812         {"AILNMUX", "RXVOICE Mix", "LIN4/RXN"},
 813         {"AILNMUX", "RXVOICE Mix", "RIN4/RXP"},
 814         /* ADC */
 815         {"Left ADC", NULL, "AILNMUX"},
 816
 817         /* RIN12 PGA */
 818         {"RIN12 PGA", "RIN1 Switch", "RIN1"},
 819         {"RIN12 PGA", "RIN2 Switch", "RIN2"},
 820         /* RIN34 PGA */
 821         {"RIN34 PGA", "RIN3 Switch", "RIN3"},
 822         {"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
 823         /* INMIXL */
 824         {"INMIXR", "Record Right Volume", "ROMIX"},
 825         {"INMIXR", "RIN2 Volume", "RIN2"},
 826         {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
 827         {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
 828         /* AIRNMUX */
 829         {"AIRNMUX", "INMIXR Mix", "INMIXR"},
 830         {"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"},
 831         {"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"},
 832         {"AIRNMUX", "RXVOICE Mix", "LIN4/RXN"},
 833         {"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"},
 834         /* ADC */
 835         {"Right ADC", NULL, "AIRNMUX"},
 836
 837         /* LOMIX */
 838         {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
 839         {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
 840         {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 841         {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 842         {"LOMIX", "LOMIX Right ADC Bypass Switch", "AIRNMUX"},
 843         {"LOMIX", "LOMIX Left ADC Bypass Switch", "AILNMUX"},
 844         {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
 845
 846         /* ROMIX */
 847         {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
 848         {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
 849         {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 850         {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 851         {"ROMIX", "ROMIX Right ADC Bypass Switch", "AIRNMUX"},
 852         {"ROMIX", "ROMIX Left ADC Bypass Switch", "AILNMUX"},
 853         {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
 854
 855         /* SPKMIX */
 856         {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
 857         {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
 858         {"SPKMIX", "SPKMIX LADC Bypass Switch", "AILNMUX"},
 859         {"SPKMIX", "SPKMIX RADC Bypass Switch", "AIRNMUX"},
 860         {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
 861         {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
 862         {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
 863         {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
 864
 865         /* LONMIX */
 866         {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
 867         {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
 868         {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
 869
 870         /* LOPMIX */
 871         {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 872         {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 873         {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
 874
 875         /* OUT3MIX */
 876         {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
 877         {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
 878
 879         /* OUT4MIX */
 880         {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
 881         {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
 882
 883         /* RONMIX */
 884         {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
 885         {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
 886         {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
 887
 888         /* ROPMIX */
 889         {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 890         {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 891         {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
 892
 893         /* Out Mixer PGAs */
 894         {"LOPGA", NULL, "LOMIX"},
 895         {"ROPGA", NULL, "ROMIX"},
 896
 897         {"LOUT PGA", NULL, "LOMIX"},
 898         {"ROUT PGA", NULL, "ROMIX"},
 899
 900         /* Output Pins */
 901         {"LON", NULL, "LONMIX"},
 902         {"LOP", NULL, "LOPMIX"},
 903         {"OUT3", NULL, "OUT3MIX"},
 904         {"LOUT", NULL, "LOUT PGA"},
 905         {"SPKN", NULL, "SPKMIX"},
 906         {"ROUT", NULL, "ROUT PGA"},
 907         {"OUT4", NULL, "OUT4MIX"},
 908         {"ROP", NULL, "ROPMIX"},
 909         {"RON", NULL, "RONMIX"},
 910 };
 911
 912 static int wm8400_add_widgets(struct snd_soc_codec *codec)
 913 {
 914         struct snd_soc_dapm_context *dapm = &codec->dapm;
 915
 916         snd_soc_dapm_new_controls(dapm, wm8400_dapm_widgets,
 917                                   ARRAY_SIZE(wm8400_dapm_widgets));
 918         snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
 919
 920         return 0;
 921 }
 922
 923 /*
 924  * Clock after FLL and dividers
 925  */
 926 static int wm8400_set_dai_sysclk(struct snd_soc_dai *codec_dai,
 927                 int clk_id, unsigned int freq, int dir)
 928 {
 929         struct snd_soc_codec *codec = codec_dai->codec;
 930         struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
 931
 932         wm8400->sysclk = freq;
 933         return 0;
 934 }
 935
 936 struct fll_factors {
 937         u16 n;
 938         u16 k;
 939         u16 outdiv;
 940         u16 fratio;
 941         u16 freq_ref;
 942 };
 943
 944 #define FIXED_FLL_SIZE ((1 << 16) * 10)
 945
 946 static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors,
 947                        unsigned int Fref, unsigned int Fout)
 948 {
 949         u64 Kpart;
 950         unsigned int K, Nmod, target;
 951
 952         factors->outdiv = 2;
 953         while (Fout * factors->outdiv <  90000000 ||
 954                Fout * factors->outdiv > 100000000) {
 955                 factors->outdiv *= 2;
 956                 if (factors->outdiv > 32) {
 957                         dev_err(wm8400->wm8400->dev,
 958                                 "Unsupported FLL output frequency %uHz\n",
 959                                 Fout);
 960                         return -EINVAL;
 961                 }
 962         }
 963         target = Fout * factors->outdiv;
 964         factors->outdiv = factors->outdiv >> 2;
 965
 966         if (Fref < 48000)
 967                 factors->freq_ref = 1;
 968         else
 969                 factors->freq_ref = 0;
 970
 971         if (Fref < 1000000)
 972                 factors->fratio = 9;
 973         else
 974                 factors->fratio = 0;
 975
 976         /* Ensure we have a fractional part */
 977         do {
 978                 if (Fref < 1000000)
 979                         factors->fratio--;
 980                 else
 981                         factors->fratio++;
 982
 983                 if (factors->fratio < 1 || factors->fratio > 8) {
 984                         dev_err(wm8400->wm8400->dev,
 985                                 "Unable to calculate FRATIO\n");
 986                         return -EINVAL;
 987                 }
 988
 989                 factors->n = target / (Fref * factors->fratio);
 990                 Nmod = target % (Fref * factors->fratio);
 991         } while (Nmod == 0);
 992
 993         /* Calculate fractional part - scale up so we can round. */
 994         Kpart = FIXED_FLL_SIZE * (long long)Nmod;
 995
 996         do_div(Kpart, (Fref * factors->fratio));
 997
 998         K = Kpart & 0xFFFFFFFF;
 999
1000         if ((K % 10) >= 5)
1001                 K += 5;
1002
1003         /* Move down to proper range now rounding is done */
1004         factors->k = K / 10;
1005
1006         dev_dbg(wm8400->wm8400->dev,
1007                 "FLL: Fref=%u Fout=%u N=%x K=%x, FRATIO=%x OUTDIV=%x\n",
1008                 Fref, Fout,
1009                 factors->n, factors->k, factors->fratio, factors->outdiv);
1010
1011         return 0;
1012 }
1013
1014 static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1015                               int source, unsigned int freq_in,
1016                               unsigned int freq_out)
1017 {
1018         struct snd_soc_codec *codec = codec_dai->codec;
1019         struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
1020         struct fll_factors factors;
1021         int ret;
1022         u16 reg;
1023
1024         if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out)
1025                 return 0;
1026
1027         if (freq_out) {
1028                 ret = fll_factors(wm8400, &factors, freq_in, freq_out);
1029                 if (ret != 0)
1030                         return ret;
1031         } else {
1032                 /* Bodge GCC 4.4.0 uninitialised variable warning - it
1033                  * doesn't seem capable of working out that we exit if
1034                  * freq_out is 0 before any of the uses. */
1035                 memset(&factors, 0, sizeof(factors));
1036         }
1037
1038         wm8400->fll_out = freq_out;
1039         wm8400->fll_in = freq_in;
1040
1041         /* We *must* disable the FLL before any changes */
1042         reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_2);
1043         reg &= ~WM8400_FLL_ENA;
1044         wm8400_write(codec, WM8400_POWER_MANAGEMENT_2, reg);
1045
1046         reg = wm8400_read(codec, WM8400_FLL_CONTROL_1);
1047         reg &= ~WM8400_FLL_OSC_ENA;
1048         wm8400_write(codec, WM8400_FLL_CONTROL_1, reg);
1049
1050         if (!freq_out)
1051                 return 0;
1052
1053         reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK);
1054         reg |= WM8400_FLL_FRAC | factors.fratio;
1055         reg |= factors.freq_ref << WM8400_FLL_REF_FREQ_SHIFT;
1056         wm8400_write(codec, WM8400_FLL_CONTROL_1, reg);
1057
1058         wm8400_write(codec, WM8400_FLL_CONTROL_2, factors.k);
1059         wm8400_write(codec, WM8400_FLL_CONTROL_3, factors.n);
1060
1061         reg = wm8400_read(codec, WM8400_FLL_CONTROL_4);
1062         reg &= WM8400_FLL_OUTDIV_MASK;
1063         reg |= factors.outdiv;
1064         wm8400_write(codec, WM8400_FLL_CONTROL_4, reg);
1065
1066         return 0;
1067 }
1068
1069 /*
1070  * Sets ADC and Voice DAC format.
1071  */
1072 static int wm8400_set_dai_fmt(struct snd_soc_dai *codec_dai,
1073                 unsigned int fmt)
1074 {
1075         struct snd_soc_codec *codec = codec_dai->codec;
1076         u16 audio1, audio3;
1077
1078         audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
1079         audio3 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_3);
1080
1081         /* set master/slave audio interface */
1082         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1083         case SND_SOC_DAIFMT_CBS_CFS:
1084                 audio3 &= ~WM8400_AIF_MSTR1;
1085                 break;
1086         case SND_SOC_DAIFMT_CBM_CFM:
1087                 audio3 |= WM8400_AIF_MSTR1;
1088                 break;
1089         default:
1090                 return -EINVAL;
1091         }
1092
1093         audio1 &= ~WM8400_AIF_FMT_MASK;
1094
1095         /* interface format */
1096         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1097         case SND_SOC_DAIFMT_I2S:
1098                 audio1 |= WM8400_AIF_FMT_I2S;
1099                 audio1 &= ~WM8400_AIF_LRCLK_INV;
1100                 break;
1101         case SND_SOC_DAIFMT_RIGHT_J:
1102                 audio1 |= WM8400_AIF_FMT_RIGHTJ;
1103                 audio1 &= ~WM8400_AIF_LRCLK_INV;
1104                 break;
1105         case SND_SOC_DAIFMT_LEFT_J:
1106                 audio1 |= WM8400_AIF_FMT_LEFTJ;
1107                 audio1 &= ~WM8400_AIF_LRCLK_INV;
1108                 break;
1109         case SND_SOC_DAIFMT_DSP_A:
1110                 audio1 |= WM8400_AIF_FMT_DSP;
1111                 audio1 &= ~WM8400_AIF_LRCLK_INV;
1112                 break;
1113         case SND_SOC_DAIFMT_DSP_B:
1114                 audio1 |= WM8400_AIF_FMT_DSP | WM8400_AIF_LRCLK_INV;
1115                 break;
1116         default:
1117                 return -EINVAL;
1118         }
1119
1120         wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
1121         wm8400_write(codec, WM8400_AUDIO_INTERFACE_3, audio3);
1122         return 0;
1123 }
1124
1125 static int wm8400_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1126                 int div_id, int div)
1127 {
1128         struct snd_soc_codec *codec = codec_dai->codec;
1129         u16 reg;
1130
1131         switch (div_id) {
1132         case WM8400_MCLK_DIV:
1133                 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1134                         ~WM8400_MCLK_DIV_MASK;
1135                 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1136                 break;
1137         case WM8400_DACCLK_DIV:
1138                 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1139                         ~WM8400_DAC_CLKDIV_MASK;
1140                 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1141                 break;
1142         case WM8400_ADCCLK_DIV:
1143                 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1144                         ~WM8400_ADC_CLKDIV_MASK;
1145                 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1146                 break;
1147         case WM8400_BCLK_DIV:
1148                 reg = wm8400_read(codec, WM8400_CLOCKING_1) &
1149                         ~WM8400_BCLK_DIV_MASK;
1150                 wm8400_write(codec, WM8400_CLOCKING_1, reg | div);
1151                 break;
1152         default:
1153                 return -EINVAL;
1154         }
1155
1156         return 0;
1157 }
1158
1159 /*
1160  * Set PCM DAI bit size and sample rate.
1161  */
1162 static int wm8400_hw_params(struct snd_pcm_substream *substream,
1163         struct snd_pcm_hw_params *params,
1164         struct snd_soc_dai *dai)
1165 {
1166         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1167         struct snd_soc_codec *codec = rtd->codec;
1168         u16 audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
1169
1170         audio1 &= ~WM8400_AIF_WL_MASK;
1171         /* bit size */
1172         switch (params_format(params)) {
1173         case SNDRV_PCM_FORMAT_S16_LE:
1174                 break;
1175         case SNDRV_PCM_FORMAT_S20_3LE:
1176                 audio1 |= WM8400_AIF_WL_20BITS;
1177                 break;
1178         case SNDRV_PCM_FORMAT_S24_LE:
1179                 audio1 |= WM8400_AIF_WL_24BITS;
1180                 break;
1181         case SNDRV_PCM_FORMAT_S32_LE:
1182                 audio1 |= WM8400_AIF_WL_32BITS;
1183                 break;
1184         }
1185
1186         wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
1187         return 0;
1188 }
1189
1190 static int wm8400_mute(struct snd_soc_dai *dai, int mute)
1191 {
1192         struct snd_soc_codec *codec = dai->codec;
1193         u16 val = wm8400_read(codec, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE;
1194
1195         if (mute)
1196                 wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1197         else
1198                 wm8400_write(codec, WM8400_DAC_CTRL, val);
1199
1200         return 0;
1201 }
1202
1203 /* TODO: set bias for best performance at standby */
1204 static int wm8400_set_bias_level(struct snd_soc_codec *codec,
1205                                  enum snd_soc_bias_level level)
1206 {
1207         struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
1208         u16 val;
1209         int ret;
1210
1211         switch (level) {
1212         case SND_SOC_BIAS_ON:
1213                 break;
1214
1215         case SND_SOC_BIAS_PREPARE:
1216                 /* VMID=2*50k */
1217                 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) &
1218                         ~WM8400_VMID_MODE_MASK;
1219                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x2);
1220                 break;
1221
1222         case SND_SOC_BIAS_STANDBY:
1223                 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1224                         ret = regulator_bulk_enable(ARRAY_SIZE(power),
1225                                                     &power[0]);
1226                         if (ret != 0) {
1227                                 dev_err(wm8400->wm8400->dev,
1228                                         "Failed to enable regulators: %d\n",
1229                                         ret);
1230                                 return ret;
1231                         }
1232
1233                         wm8400_write(codec, WM8400_POWER_MANAGEMENT_1,
1234                                      WM8400_CODEC_ENA | WM8400_SYSCLK_ENA);
1235
1236                         /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1237                         wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1238                                      WM8400_BUFDCOPEN | WM8400_POBCTRL);
1239
1240                         msleep(50);
1241
1242                         /* Enable VREF & VMID at 2x50k */
1243                         val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1244                         val |= 0x2 | WM8400_VREF_ENA;
1245                         wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1246
1247                         /* Enable BUFIOEN */
1248                         wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1249                                      WM8400_BUFDCOPEN | WM8400_POBCTRL |
1250                                      WM8400_BUFIOEN);
1251
1252                         /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1253                         wm8400_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN);
1254                 }
1255
1256                 /* VMID=2*300k */
1257                 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) &
1258                         ~WM8400_VMID_MODE_MASK;
1259                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x4);
1260                 break;
1261
1262         case SND_SOC_BIAS_OFF:
1263                 /* Enable POBCTRL and SOFT_ST */
1264                 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1265                         WM8400_POBCTRL | WM8400_BUFIOEN);
1266
1267                 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1268                 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1269                         WM8400_BUFDCOPEN | WM8400_POBCTRL |
1270                         WM8400_BUFIOEN);
1271
1272                 /* mute DAC */
1273                 val = wm8400_read(codec, WM8400_DAC_CTRL);
1274                 wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1275
1276                 /* Enable any disabled outputs */
1277                 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1278                 val |= WM8400_SPK_ENA | WM8400_OUT3_ENA |
1279                         WM8400_OUT4_ENA | WM8400_LOUT_ENA |
1280                         WM8400_ROUT_ENA;
1281                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1282
1283                 /* Disable VMID */
1284                 val &= ~WM8400_VMID_MODE_MASK;
1285                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1286
1287                 msleep(300);
1288
1289                 /* Enable all output discharge bits */
1290                 wm8400_write(codec, WM8400_ANTIPOP1, WM8400_DIS_LLINE |
1291                         WM8400_DIS_RLINE | WM8400_DIS_OUT3 |
1292                         WM8400_DIS_OUT4 | WM8400_DIS_LOUT |
1293                         WM8400_DIS_ROUT);
1294
1295                 /* Disable VREF */
1296                 val &= ~WM8400_VREF_ENA;
1297                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1298
1299                 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1300                 wm8400_write(codec, WM8400_ANTIPOP2, 0x0);
1301
1302                 ret = regulator_bulk_disable(ARRAY_SIZE(power),
1303                                              &power[0]);
1304                 if (ret != 0)
1305                         return ret;
1306
1307                 break;
1308         }
1309
1310         codec->dapm.bias_level = level;
1311         return 0;
1312 }
1313
1314 #define WM8400_RATES SNDRV_PCM_RATE_8000_96000
1315
1316 #define WM8400_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1317         SNDRV_PCM_FMTBIT_S24_LE)
1318
1319 static struct snd_soc_dai_ops wm8400_dai_ops = {
1320         .hw_params = wm8400_hw_params,
1321         .digital_mute = wm8400_mute,
1322         .set_fmt = wm8400_set_dai_fmt,
1323         .set_clkdiv = wm8400_set_dai_clkdiv,
1324         .set_sysclk = wm8400_set_dai_sysclk,
1325         .set_pll = wm8400_set_dai_pll,
1326 };
1327
1328 /*
1329  * The WM8400 supports 2 different and mutually exclusive DAI
1330  * configurations.
1331  *
1332  * 1. ADC/DAC on Primary Interface
1333  * 2. ADC on Primary Interface/DAC on secondary
1334  */
1335 static struct snd_soc_dai_driver wm8400_dai = {
1336 /* ADC/DAC on primary */
1337         .name = "wm8400-hifi",
1338         .playback = {
1339                 .stream_name = "Playback",
1340                 .channels_min = 1,
1341                 .channels_max = 2,
1342                 .rates = WM8400_RATES,
1343                 .formats = WM8400_FORMATS,
1344         },
1345         .capture = {
1346                 .stream_name = "Capture",
1347                 .channels_min = 1,
1348                 .channels_max = 2,
1349                 .rates = WM8400_RATES,
1350                 .formats = WM8400_FORMATS,
1351         },
1352         .ops = &wm8400_dai_ops,
1353 };
1354
1355 static int wm8400_suspend(struct snd_soc_codec *codec, pm_message_t state)
1356 {
1357         wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
1358
1359         return 0;
1360 }
1361
1362 static int wm8400_resume(struct snd_soc_codec *codec)
1363 {
1364         wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1365
1366         return 0;
1367 }
1368
1369 static void wm8400_probe_deferred(struct work_struct *work)
1370 {
1371         struct wm8400_priv *priv = container_of(work, struct wm8400_priv,
1372                                                 work);
1373         struct snd_soc_codec *codec = priv->codec;
1374
1375         /* charge output caps */
1376         wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1377 }
1378
1379 static int wm8400_codec_probe(struct snd_soc_codec *codec)
1380 {
1381         struct wm8400 *wm8400 = dev_get_platdata(codec->dev);
1382         struct wm8400_priv *priv;
1383         int ret;
1384         u16 reg;
1385
1386         priv = kzalloc(sizeof(struct wm8400_priv), GFP_KERNEL);
1387         if (priv == NULL)
1388                 return -ENOMEM;
1389
1390         snd_soc_codec_set_drvdata(codec, priv);
1391         codec->control_data = priv->wm8400 = wm8400;
1392         priv->codec = codec;
1393
1394         ret = regulator_bulk_get(wm8400->dev,
1395                                  ARRAY_SIZE(power), &power[0]);
1396         if (ret != 0) {
1397                 dev_err(codec->dev, "Failed to get regulators: %d\n", ret);
1398                 goto err;
1399         }
1400
1401         INIT_WORK(&priv->work, wm8400_probe_deferred);
1402
1403         wm8400_codec_reset(codec);
1404
1405         reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1406         wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA);
1407
1408         /* Latch volume update bits */
1409         reg = wm8400_read(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME);
1410         wm8400_write(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
1411                      reg & WM8400_IPVU);
1412         reg = wm8400_read(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME);
1413         wm8400_write(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
1414                      reg & WM8400_IPVU);
1415
1416         wm8400_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1417         wm8400_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1418
1419         if (!schedule_work(&priv->work)) {
1420                 ret = -EINVAL;
1421                 goto err_regulator;
1422         }
1423         wm8400_add_controls(codec);
1424         wm8400_add_widgets(codec);
1425         return 0;
1426
1427 err_regulator:
1428         regulator_bulk_free(ARRAY_SIZE(power), power);
1429 err:
1430         kfree(priv);
1431         return ret;
1432 }
1433
1434 static int  wm8400_codec_remove(struct snd_soc_codec *codec)
1435 {
1436         struct wm8400_priv *priv = snd_soc_codec_get_drvdata(codec);
1437         u16 reg;
1438
1439         reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1440         wm8400_write(codec, WM8400_POWER_MANAGEMENT_1,
1441                      reg & (~WM8400_CODEC_ENA));
1442
1443         regulator_bulk_free(ARRAY_SIZE(power), power);
1444         kfree(priv);
1445
1446         return 0;
1447 }
1448
1449 static struct snd_soc_codec_driver soc_codec_dev_wm8400 = {
1450         .probe =        wm8400_codec_probe,
1451         .remove =       wm8400_codec_remove,
1452         .suspend =      wm8400_suspend,
1453         .resume =       wm8400_resume,
1454         .read = wm8400_read,
1455         .write = wm8400_write,
1456         .set_bias_level = wm8400_set_bias_level,
1457 };
1458
1459 static int __devinit wm8400_probe(struct platform_device *pdev)
1460 {
1461         return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8400,
1462                         &wm8400_dai, 1);
1463 }
1464
1465 static int __devexit wm8400_remove(struct platform_device *pdev)
1466 {
1467         snd_soc_unregister_codec(&pdev->dev);
1468         return 0;
1469 }
1470
1471 static struct platform_driver wm8400_codec_driver = {
1472         .driver = {
1473                    .name = "wm8400-codec",
1474                    .owner = THIS_MODULE,
1475                    },
1476         .probe = wm8400_probe,
1477         .remove = __devexit_p(wm8400_remove),
1478 };
1479
1480 static __init int wm8400_init(void)
1481 {
1482         return platform_driver_register(&wm8400_codec_driver);
1483 }
1484 module_init(wm8400_init);
1485
1486 static __exit void wm8400_exit(void)
1487 {
1488         platform_driver_unregister(&wm8400_codec_driver);
1489 }
1490 module_exit(wm8400_exit);
1491
1492 MODULE_DESCRIPTION("ASoC WM8400 driver");
1493 MODULE_AUTHOR("Mark Brown");
1494 MODULE_LICENSE("GPL");
1495 MODULE_ALIAS("platform:wm8400-codec");