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/init.h>
  18 #include <linux/delay.h>
  19 #include <linux/pm.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/regulator/consumer.h>
  22 #include <linux/mfd/wm8400-audio.h>
  23 #include <linux/mfd/wm8400-private.h>
  24 #include <sound/core.h>
  25 #include <sound/pcm.h>
  26 #include <sound/pcm_params.h>
  27 #include <sound/soc.h>
  28 #include <sound/soc-dapm.h>
  29 #include <sound/initval.h>
  30 #include <sound/tlv.h>
  31
  32 #include "wm8400.h"
  33
  34 /* Fake register for internal state */
  35 #define WM8400_INTDRIVBITS      (WM8400_REGISTER_COUNT + 1)
  36 #define WM8400_INMIXL_PWR                       0
  37 #define WM8400_AINLMUX_PWR                      1
  38 #define WM8400_INMIXR_PWR                       2
  39 #define WM8400_AINRMUX_PWR                      3
  40
  41 static struct regulator_bulk_data power[] = {
  42         {
  43                 .supply = "I2S1VDD",
  44         },
  45         {
  46                 .supply = "I2S2VDD",
  47         },
  48         {
  49                 .supply = "DCVDD",
  50         },
  51         {
  52                 .supply = "AVDD",
  53         },
  54         {
  55                 .supply = "FLLVDD",
  56         },
  57         {
  58                 .supply = "HPVDD",
  59         },
  60         {
  61                 .supply = "SPKVDD",
  62         },
  63 };
  64
  65 /* codec private data */
  66 struct wm8400_priv {
  67         struct snd_soc_codec codec;
  68         struct wm8400 *wm8400;
  69         u16 fake_register;
  70         unsigned int sysclk;
  71         unsigned int pcmclk;
  72         struct work_struct work;
  73         int fll_in, fll_out;
  74 };
  75
  76 static inline unsigned int wm8400_read(struct snd_soc_codec *codec,
  77                                        unsigned int reg)
  78 {
  79         struct wm8400_priv *wm8400 = codec->private_data;
  80
  81         if (reg == WM8400_INTDRIVBITS)
  82                 return wm8400->fake_register;
  83         else
  84                 return wm8400_reg_read(wm8400->wm8400, reg);
  85 }
  86
  87 /*
  88  * write to the wm8400 register space
  89  */
  90 static int wm8400_write(struct snd_soc_codec *codec, unsigned int reg,
  91         unsigned int value)
  92 {
  93         struct wm8400_priv *wm8400 = codec->private_data;
  94
  95         if (reg == WM8400_INTDRIVBITS) {
  96                 wm8400->fake_register = value;
  97                 return 0;
  98         } else
  99                 return wm8400_set_bits(wm8400->wm8400, reg, 0xffff, value);
 100 }
 101
 102 static void wm8400_codec_reset(struct snd_soc_codec *codec)
 103 {
 104         struct wm8400_priv *wm8400 = codec->private_data;
 105
 106         wm8400_reset_codec_reg_cache(wm8400->wm8400);
 107 }
 108
 109 static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600);
 110
 111 static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000);
 112
 113 static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, -2100, 0);
 114
 115 static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600);
 116
 117 static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0);
 118
 119 static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0);
 120
 121 static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763);
 122
 123 static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0);
 124
 125 static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
 126         struct snd_ctl_elem_value *ucontrol)
 127 {
 128         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 129         struct soc_mixer_control *mc =
 130                 (struct soc_mixer_control *)kcontrol->private_value;
 131         int reg = mc->reg;
 132         int ret;
 133         u16 val;
 134
 135         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 136         if (ret < 0)
 137                 return ret;
 138
 139         /* now hit the volume update bits (always bit 8) */
 140         val = wm8400_read(codec, reg);
 141         return wm8400_write(codec, reg, val | 0x0100);
 142 }
 143
 144 #define WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \
 145 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 146         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 147                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 148         .tlv.p = (tlv_array), \
 149         .info = snd_soc_info_volsw, \
 150         .get = snd_soc_get_volsw, .put = wm8400_outpga_put_volsw_vu, \
 151         .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
 152
 153
 154 static const char *wm8400_digital_sidetone[] =
 155         {"None", "Left ADC", "Right ADC", "Reserved"};
 156
 157 static const struct soc_enum wm8400_left_digital_sidetone_enum =
 158 SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
 159                 WM8400_ADC_TO_DACL_SHIFT, 2, wm8400_digital_sidetone);
 160
 161 static const struct soc_enum wm8400_right_digital_sidetone_enum =
 162 SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
 163                 WM8400_ADC_TO_DACR_SHIFT, 2, wm8400_digital_sidetone);
 164
 165 static const char *wm8400_adcmode[] =
 166         {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
 167
 168 static const struct soc_enum wm8400_right_adcmode_enum =
 169 SOC_ENUM_SINGLE(WM8400_ADC_CTRL, WM8400_ADC_HPF_CUT_SHIFT, 3, wm8400_adcmode);
 170
 171 static const struct snd_kcontrol_new wm8400_snd_controls[] = {
 172 /* INMIXL */
 173 SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT,
 174            1, 0),
 175 SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT,
 176            1, 0),
 177 /* INMIXR */
 178 SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT,
 179            1, 0),
 180 SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT,
 181            1, 0),
 182
 183 /* LOMIX */
 184 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3,
 185         WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
 186 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
 187         WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv),
 188 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
 189         WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv),
 190 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5,
 191         WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
 192 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
 193         WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
 194 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
 195         WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
 196
 197 /* ROMIX */
 198 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4,
 199         WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
 200 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
 201         WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv),
 202 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
 203         WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv),
 204 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6,
 205         WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
 206 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
 207         WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv),
 208 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
 209         WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv),
 210
 211 /* LOUT */
 212 WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME,
 213         WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv),
 214 SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0),
 215
 216 /* ROUT */
 217 WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME,
 218         WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv),
 219 SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0),
 220
 221 /* LOPGA */
 222 WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME,
 223         WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv),
 224 SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME,
 225         WM8400_LOPGAZC_SHIFT, 1, 0),
 226
 227 /* ROPGA */
 228 WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME,
 229         WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv),
 230 SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME,
 231         WM8400_ROPGAZC_SHIFT, 1, 0),
 232
 233 SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 234         WM8400_LONMUTE_SHIFT, 1, 0),
 235 SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 236         WM8400_LOPMUTE_SHIFT, 1, 0),
 237 SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
 238         WM8400_LOATTN_SHIFT, 1, 0),
 239 SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 240         WM8400_RONMUTE_SHIFT, 1, 0),
 241 SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 242         WM8400_ROPMUTE_SHIFT, 1, 0),
 243 SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
 244         WM8400_ROATTN_SHIFT, 1, 0),
 245
 246 SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME,
 247         WM8400_OUT3MUTE_SHIFT, 1, 0),
 248 SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME,
 249         WM8400_OUT3ATTN_SHIFT, 1, 0),
 250
 251 SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME,
 252         WM8400_OUT4MUTE_SHIFT, 1, 0),
 253 SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME,
 254         WM8400_OUT4ATTN_SHIFT, 1, 0),
 255
 256 SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1,
 257         WM8400_CDMODE_SHIFT, 1, 0),
 258
 259 SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME,
 260         WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0),
 261 SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3,
 262         WM8400_DCGAIN_SHIFT, 6, 0),
 263 SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3,
 264         WM8400_ACGAIN_SHIFT, 6, 0),
 265
 266 WM8400_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
 267         WM8400_LEFT_DAC_DIGITAL_VOLUME, WM8400_DACL_VOL_SHIFT,
 268         127, 0, out_dac_tlv),
 269
 270 WM8400_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
 271         WM8400_RIGHT_DAC_DIGITAL_VOLUME, WM8400_DACR_VOL_SHIFT,
 272         127, 0, out_dac_tlv),
 273
 274 SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum),
 275 SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum),
 276
 277 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
 278         WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
 279 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
 280         WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
 281
 282 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL,
 283         WM8400_ADC_HPF_ENA_SHIFT, 1, 0),
 284
 285 SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum),
 286
 287 WM8400_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
 288         WM8400_LEFT_ADC_DIGITAL_VOLUME,
 289         WM8400_ADCL_VOL_SHIFT,
 290         WM8400_ADCL_VOL_MASK,
 291         0,
 292         in_adc_tlv),
 293
 294 WM8400_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
 295         WM8400_RIGHT_ADC_DIGITAL_VOLUME,
 296         WM8400_ADCR_VOL_SHIFT,
 297         WM8400_ADCR_VOL_MASK,
 298         0,
 299         in_adc_tlv),
 300
 301 WM8400_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
 302         WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
 303         WM8400_LIN12VOL_SHIFT,
 304         WM8400_LIN12VOL_MASK,
 305         0,
 306         in_pga_tlv),
 307
 308 SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
 309         WM8400_LI12ZC_SHIFT, 1, 0),
 310
 311 SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
 312         WM8400_LI12MUTE_SHIFT, 1, 0),
 313
 314 WM8400_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
 315         WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
 316         WM8400_LIN34VOL_SHIFT,
 317         WM8400_LIN34VOL_MASK,
 318         0,
 319         in_pga_tlv),
 320
 321 SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
 322         WM8400_LI34ZC_SHIFT, 1, 0),
 323
 324 SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
 325         WM8400_LI34MUTE_SHIFT, 1, 0),
 326
 327 WM8400_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
 328         WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
 329         WM8400_RIN12VOL_SHIFT,
 330         WM8400_RIN12VOL_MASK,
 331         0,
 332         in_pga_tlv),
 333
 334 SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
 335         WM8400_RI12ZC_SHIFT, 1, 0),
 336
 337 SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
 338         WM8400_RI12MUTE_SHIFT, 1, 0),
 339
 340 WM8400_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
 341         WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
 342         WM8400_RIN34VOL_SHIFT,
 343         WM8400_RIN34VOL_MASK,
 344         0,
 345         in_pga_tlv),
 346
 347 SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
 348         WM8400_RI34ZC_SHIFT, 1, 0),
 349
 350 SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
 351         WM8400_RI34MUTE_SHIFT, 1, 0),
 352
 353 };
 354
 355 /* add non dapm controls */
 356 static int wm8400_add_controls(struct snd_soc_codec *codec)
 357 {
 358         return snd_soc_add_controls(codec, wm8400_snd_controls,
 359                                 ARRAY_SIZE(wm8400_snd_controls));
 360 }
 361
 362 /*
 363  * _DAPM_ Controls
 364  */
 365
 366 static int inmixer_event (struct snd_soc_dapm_widget *w,
 367         struct snd_kcontrol *kcontrol, int event)
 368 {
 369         u16 reg, fakepower;
 370
 371         reg = wm8400_read(w->codec, WM8400_POWER_MANAGEMENT_2);
 372         fakepower = wm8400_read(w->codec, WM8400_INTDRIVBITS);
 373
 374         if (fakepower & ((1 << WM8400_INMIXL_PWR) |
 375                 (1 << WM8400_AINLMUX_PWR))) {
 376                 reg |= WM8400_AINL_ENA;
 377         } else {
 378                 reg &= ~WM8400_AINL_ENA;
 379         }
 380
 381         if (fakepower & ((1 << WM8400_INMIXR_PWR) |
 382                 (1 << WM8400_AINRMUX_PWR))) {
 383                 reg |= WM8400_AINR_ENA;
 384         } else {
 385                 reg &= ~WM8400_AINL_ENA;
 386         }
 387         wm8400_write(w->codec, WM8400_POWER_MANAGEMENT_2, reg);
 388
 389         return 0;
 390 }
 391
 392 static int outmixer_event (struct snd_soc_dapm_widget *w,
 393         struct snd_kcontrol * kcontrol, int event)
 394 {
 395         struct soc_mixer_control *mc =
 396                 (struct soc_mixer_control *)kcontrol->private_value;
 397         u32 reg_shift = mc->shift;
 398         int ret = 0;
 399         u16 reg;
 400
 401         switch (reg_shift) {
 402         case WM8400_SPEAKER_MIXER | (WM8400_LDSPK << 8) :
 403                 reg = wm8400_read(w->codec, WM8400_OUTPUT_MIXER1);
 404                 if (reg & WM8400_LDLO) {
 405                         printk(KERN_WARNING
 406                         "Cannot set as Output Mixer 1 LDLO Set\n");
 407                         ret = -1;
 408                 }
 409                 break;
 410         case WM8400_SPEAKER_MIXER | (WM8400_RDSPK << 8):
 411                 reg = wm8400_read(w->codec, WM8400_OUTPUT_MIXER2);
 412                 if (reg & WM8400_RDRO) {
 413                         printk(KERN_WARNING
 414                         "Cannot set as Output Mixer 2 RDRO Set\n");
 415                         ret = -1;
 416                 }
 417                 break;
 418         case WM8400_OUTPUT_MIXER1 | (WM8400_LDLO << 8):
 419                 reg = wm8400_read(w->codec, WM8400_SPEAKER_MIXER);
 420                 if (reg & WM8400_LDSPK) {
 421                         printk(KERN_WARNING
 422                         "Cannot set as Speaker Mixer LDSPK Set\n");
 423                         ret = -1;
 424                 }
 425                 break;
 426         case WM8400_OUTPUT_MIXER2 | (WM8400_RDRO << 8):
 427                 reg = wm8400_read(w->codec, WM8400_SPEAKER_MIXER);
 428                 if (reg & WM8400_RDSPK) {
 429                         printk(KERN_WARNING
 430                         "Cannot set as Speaker Mixer RDSPK Set\n");
 431                         ret = -1;
 432                 }
 433                 break;
 434         }
 435
 436         return ret;
 437 }
 438
 439 /* INMIX dB values */
 440 static const unsigned int in_mix_tlv[] = {
 441         TLV_DB_RANGE_HEAD(1),
 442         0,7, TLV_DB_LINEAR_ITEM(-1200, 600),
 443 };
 444
 445 /* Left In PGA Connections */
 446 static const struct snd_kcontrol_new wm8400_dapm_lin12_pga_controls[] = {
 447 SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0),
 448 SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0),
 449 };
 450
 451 static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = {
 452 SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0),
 453 SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0),
 454 };
 455
 456 /* Right In PGA Connections */
 457 static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = {
 458 SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0),
 459 SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0),
 460 };
 461
 462 static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = {
 463 SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0),
 464 SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0),
 465 };
 466
 467 /* INMIXL */
 468 static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = {
 469 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3,
 470         WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv),
 471 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT,
 472         7, 0, in_mix_tlv),
 473 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
 474                 1, 0),
 475 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
 476                 1, 0),
 477 };
 478
 479 /* INMIXR */
 480 static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = {
 481 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4,
 482         WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv),
 483 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT,
 484         7, 0, in_mix_tlv),
 485 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
 486         1, 0),
 487 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
 488         1, 0),
 489 };
 490
 491 /* AINLMUX */
 492 static const char *wm8400_ainlmux[] =
 493         {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
 494
 495 static const struct soc_enum wm8400_ainlmux_enum =
 496 SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINLMODE_SHIFT,
 497         ARRAY_SIZE(wm8400_ainlmux), wm8400_ainlmux);
 498
 499 static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls =
 500 SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum);
 501
 502 /* DIFFINL */
 503
 504 /* AINRMUX */
 505 static const char *wm8400_ainrmux[] =
 506         {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
 507
 508 static const struct soc_enum wm8400_ainrmux_enum =
 509 SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINRMODE_SHIFT,
 510         ARRAY_SIZE(wm8400_ainrmux), wm8400_ainrmux);
 511
 512 static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls =
 513 SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum);
 514
 515 /* RXVOICE */
 516 static const struct snd_kcontrol_new wm8400_dapm_rxvoice_controls[] = {
 517 SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8400_INPUT_MIXER5, WM8400_LR4BVOL_SHIFT,
 518                         WM8400_LR4BVOL_MASK, 0, in_mix_tlv),
 519 SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8400_INPUT_MIXER6, WM8400_RL4BVOL_SHIFT,
 520                         WM8400_RL4BVOL_MASK, 0, in_mix_tlv),
 521 };
 522
 523 /* LOMIX */
 524 static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = {
 525 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
 526         WM8400_LRBLO_SHIFT, 1, 0),
 527 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
 528         WM8400_LLBLO_SHIFT, 1, 0),
 529 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
 530         WM8400_LRI3LO_SHIFT, 1, 0),
 531 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
 532         WM8400_LLI3LO_SHIFT, 1, 0),
 533 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
 534         WM8400_LR12LO_SHIFT, 1, 0),
 535 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
 536         WM8400_LL12LO_SHIFT, 1, 0),
 537 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1,
 538         WM8400_LDLO_SHIFT, 1, 0),
 539 };
 540
 541 /* ROMIX */
 542 static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = {
 543 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
 544         WM8400_RLBRO_SHIFT, 1, 0),
 545 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
 546         WM8400_RRBRO_SHIFT, 1, 0),
 547 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
 548         WM8400_RLI3RO_SHIFT, 1, 0),
 549 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
 550         WM8400_RRI3RO_SHIFT, 1, 0),
 551 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
 552         WM8400_RL12RO_SHIFT, 1, 0),
 553 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
 554         WM8400_RR12RO_SHIFT, 1, 0),
 555 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2,
 556         WM8400_RDRO_SHIFT, 1, 0),
 557 };
 558
 559 /* LONMIX */
 560 static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = {
 561 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
 562         WM8400_LLOPGALON_SHIFT, 1, 0),
 563 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1,
 564         WM8400_LROPGALON_SHIFT, 1, 0),
 565 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1,
 566         WM8400_LOPLON_SHIFT, 1, 0),
 567 };
 568
 569 /* LOPMIX */
 570 static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = {
 571 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1,
 572         WM8400_LR12LOP_SHIFT, 1, 0),
 573 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1,
 574         WM8400_LL12LOP_SHIFT, 1, 0),
 575 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
 576         WM8400_LLOPGALOP_SHIFT, 1, 0),
 577 };
 578
 579 /* RONMIX */
 580 static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = {
 581 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
 582         WM8400_RROPGARON_SHIFT, 1, 0),
 583 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2,
 584         WM8400_RLOPGARON_SHIFT, 1, 0),
 585 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2,
 586         WM8400_ROPRON_SHIFT, 1, 0),
 587 };
 588
 589 /* ROPMIX */
 590 static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = {
 591 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2,
 592         WM8400_RL12ROP_SHIFT, 1, 0),
 593 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2,
 594         WM8400_RR12ROP_SHIFT, 1, 0),
 595 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
 596         WM8400_RROPGAROP_SHIFT, 1, 0),
 597 };
 598
 599 /* OUT3MIX */
 600 static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = {
 601 SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
 602         WM8400_LI4O3_SHIFT, 1, 0),
 603 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER,
 604         WM8400_LPGAO3_SHIFT, 1, 0),
 605 };
 606
 607 /* OUT4MIX */
 608 static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = {
 609 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER,
 610         WM8400_RPGAO4_SHIFT, 1, 0),
 611 SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
 612         WM8400_RI4O4_SHIFT, 1, 0),
 613 };
 614
 615 /* SPKMIX */
 616 static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = {
 617 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
 618         WM8400_LI2SPK_SHIFT, 1, 0),
 619 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER,
 620         WM8400_LB2SPK_SHIFT, 1, 0),
 621 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER,
 622         WM8400_LOPGASPK_SHIFT, 1, 0),
 623 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER,
 624         WM8400_LDSPK_SHIFT, 1, 0),
 625 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER,
 626         WM8400_RDSPK_SHIFT, 1, 0),
 627 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER,
 628         WM8400_ROPGASPK_SHIFT, 1, 0),
 629 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER,
 630         WM8400_RL12ROP_SHIFT, 1, 0),
 631 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
 632         WM8400_RI2SPK_SHIFT, 1, 0),
 633 };
 634
 635 static const struct snd_soc_dapm_widget wm8400_dapm_widgets[] = {
 636 /* Input Side */
 637 /* Input Lines */
 638 SND_SOC_DAPM_INPUT("LIN1"),
 639 SND_SOC_DAPM_INPUT("LIN2"),
 640 SND_SOC_DAPM_INPUT("LIN3"),
 641 SND_SOC_DAPM_INPUT("LIN4/RXN"),
 642 SND_SOC_DAPM_INPUT("RIN3"),
 643 SND_SOC_DAPM_INPUT("RIN4/RXP"),
 644 SND_SOC_DAPM_INPUT("RIN1"),
 645 SND_SOC_DAPM_INPUT("RIN2"),
 646 SND_SOC_DAPM_INPUT("Internal ADC Source"),
 647
 648 /* DACs */
 649 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8400_POWER_MANAGEMENT_2,
 650         WM8400_ADCL_ENA_SHIFT, 0),
 651 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2,
 652         WM8400_ADCR_ENA_SHIFT, 0),
 653
 654 /* Input PGAs */
 655 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8400_POWER_MANAGEMENT_2,
 656                    WM8400_LIN12_ENA_SHIFT,
 657                    0, &wm8400_dapm_lin12_pga_controls[0],
 658                    ARRAY_SIZE(wm8400_dapm_lin12_pga_controls)),
 659 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8400_POWER_MANAGEMENT_2,
 660                    WM8400_LIN34_ENA_SHIFT,
 661                    0, &wm8400_dapm_lin34_pga_controls[0],
 662                    ARRAY_SIZE(wm8400_dapm_lin34_pga_controls)),
 663 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8400_POWER_MANAGEMENT_2,
 664                    WM8400_RIN12_ENA_SHIFT,
 665                    0, &wm8400_dapm_rin12_pga_controls[0],
 666                    ARRAY_SIZE(wm8400_dapm_rin12_pga_controls)),
 667 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2,
 668                    WM8400_RIN34_ENA_SHIFT,
 669                    0, &wm8400_dapm_rin34_pga_controls[0],
 670                    ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)),
 671
 672 /* INMIXL */
 673 SND_SOC_DAPM_MIXER_E("INMIXL", WM8400_INTDRIVBITS, WM8400_INMIXL_PWR, 0,
 674         &wm8400_dapm_inmixl_controls[0],
 675         ARRAY_SIZE(wm8400_dapm_inmixl_controls),
 676         inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 677
 678 /* AINLMUX */
 679 SND_SOC_DAPM_MUX_E("AILNMUX", WM8400_INTDRIVBITS, WM8400_AINLMUX_PWR, 0,
 680         &wm8400_dapm_ainlmux_controls, inmixer_event,
 681         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 682
 683 /* INMIXR */
 684 SND_SOC_DAPM_MIXER_E("INMIXR", WM8400_INTDRIVBITS, WM8400_INMIXR_PWR, 0,
 685         &wm8400_dapm_inmixr_controls[0],
 686         ARRAY_SIZE(wm8400_dapm_inmixr_controls),
 687         inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 688
 689 /* AINRMUX */
 690 SND_SOC_DAPM_MUX_E("AIRNMUX", WM8400_INTDRIVBITS, WM8400_AINRMUX_PWR, 0,
 691         &wm8400_dapm_ainrmux_controls, inmixer_event,
 692         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 693
 694 /* Output Side */
 695 /* DACs */
 696 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8400_POWER_MANAGEMENT_3,
 697         WM8400_DACL_ENA_SHIFT, 0),
 698 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3,
 699         WM8400_DACR_ENA_SHIFT, 0),
 700
 701 /* LOMIX */
 702 SND_SOC_DAPM_MIXER_E("LOMIX", WM8400_POWER_MANAGEMENT_3,
 703                      WM8400_LOMIX_ENA_SHIFT,
 704                      0, &wm8400_dapm_lomix_controls[0],
 705                      ARRAY_SIZE(wm8400_dapm_lomix_controls),
 706                      outmixer_event, SND_SOC_DAPM_PRE_REG),
 707
 708 /* LONMIX */
 709 SND_SOC_DAPM_MIXER("LONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LON_ENA_SHIFT,
 710                    0, &wm8400_dapm_lonmix_controls[0],
 711                    ARRAY_SIZE(wm8400_dapm_lonmix_controls)),
 712
 713 /* LOPMIX */
 714 SND_SOC_DAPM_MIXER("LOPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOP_ENA_SHIFT,
 715                    0, &wm8400_dapm_lopmix_controls[0],
 716                    ARRAY_SIZE(wm8400_dapm_lopmix_controls)),
 717
 718 /* OUT3MIX */
 719 SND_SOC_DAPM_MIXER("OUT3MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT3_ENA_SHIFT,
 720                    0, &wm8400_dapm_out3mix_controls[0],
 721                    ARRAY_SIZE(wm8400_dapm_out3mix_controls)),
 722
 723 /* SPKMIX */
 724 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8400_POWER_MANAGEMENT_1, WM8400_SPK_ENA_SHIFT,
 725                      0, &wm8400_dapm_spkmix_controls[0],
 726                      ARRAY_SIZE(wm8400_dapm_spkmix_controls), outmixer_event,
 727                      SND_SOC_DAPM_PRE_REG),
 728
 729 /* OUT4MIX */
 730 SND_SOC_DAPM_MIXER("OUT4MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT4_ENA_SHIFT,
 731         0, &wm8400_dapm_out4mix_controls[0],
 732         ARRAY_SIZE(wm8400_dapm_out4mix_controls)),
 733
 734 /* ROPMIX */
 735 SND_SOC_DAPM_MIXER("ROPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROP_ENA_SHIFT,
 736                    0, &wm8400_dapm_ropmix_controls[0],
 737                    ARRAY_SIZE(wm8400_dapm_ropmix_controls)),
 738
 739 /* RONMIX */
 740 SND_SOC_DAPM_MIXER("RONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_RON_ENA_SHIFT,
 741                    0, &wm8400_dapm_ronmix_controls[0],
 742                    ARRAY_SIZE(wm8400_dapm_ronmix_controls)),
 743
 744 /* ROMIX */
 745 SND_SOC_DAPM_MIXER_E("ROMIX", WM8400_POWER_MANAGEMENT_3,
 746                      WM8400_ROMIX_ENA_SHIFT,
 747                      0, &wm8400_dapm_romix_controls[0],
 748                      ARRAY_SIZE(wm8400_dapm_romix_controls),
 749                      outmixer_event, SND_SOC_DAPM_PRE_REG),
 750
 751 /* LOUT PGA */
 752 SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT,
 753                  0, NULL, 0),
 754
 755 /* ROUT PGA */
 756 SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT,
 757                  0, NULL, 0),
 758
 759 /* LOPGA */
 760 SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0,
 761         NULL, 0),
 762
 763 /* ROPGA */
 764 SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0,
 765         NULL, 0),
 766
 767 /* MICBIAS */
 768 SND_SOC_DAPM_MICBIAS("MICBIAS", WM8400_POWER_MANAGEMENT_1,
 769         WM8400_MIC1BIAS_ENA_SHIFT, 0),
 770
 771 SND_SOC_DAPM_OUTPUT("LON"),
 772 SND_SOC_DAPM_OUTPUT("LOP"),
 773 SND_SOC_DAPM_OUTPUT("OUT3"),
 774 SND_SOC_DAPM_OUTPUT("LOUT"),
 775 SND_SOC_DAPM_OUTPUT("SPKN"),
 776 SND_SOC_DAPM_OUTPUT("SPKP"),
 777 SND_SOC_DAPM_OUTPUT("ROUT"),
 778 SND_SOC_DAPM_OUTPUT("OUT4"),
 779 SND_SOC_DAPM_OUTPUT("ROP"),
 780 SND_SOC_DAPM_OUTPUT("RON"),
 781
 782 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
 783 };
 784
 785 static const struct snd_soc_dapm_route audio_map[] = {
 786         /* Make DACs turn on when playing even if not mixed into any outputs */
 787         {"Internal DAC Sink", NULL, "Left DAC"},
 788         {"Internal DAC Sink", NULL, "Right DAC"},
 789
 790         /* Make ADCs turn on when recording
 791          * even if not mixed from any inputs */
 792         {"Left ADC", NULL, "Internal ADC Source"},
 793         {"Right ADC", NULL, "Internal ADC Source"},
 794
 795         /* Input Side */
 796         /* LIN12 PGA */
 797         {"LIN12 PGA", "LIN1 Switch", "LIN1"},
 798         {"LIN12 PGA", "LIN2 Switch", "LIN2"},
 799         /* LIN34 PGA */
 800         {"LIN34 PGA", "LIN3 Switch", "LIN3"},
 801         {"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
 802         /* INMIXL */
 803         {"INMIXL", "Record Left Volume", "LOMIX"},
 804         {"INMIXL", "LIN2 Volume", "LIN2"},
 805         {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
 806         {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
 807         /* AILNMUX */
 808         {"AILNMUX", "INMIXL Mix", "INMIXL"},
 809         {"AILNMUX", "DIFFINL Mix", "LIN12 PGA"},
 810         {"AILNMUX", "DIFFINL Mix", "LIN34 PGA"},
 811         {"AILNMUX", "RXVOICE Mix", "LIN4/RXN"},
 812         {"AILNMUX", "RXVOICE Mix", "RIN4/RXP"},
 813         /* ADC */
 814         {"Left ADC", NULL, "AILNMUX"},
 815
 816         /* RIN12 PGA */
 817         {"RIN12 PGA", "RIN1 Switch", "RIN1"},
 818         {"RIN12 PGA", "RIN2 Switch", "RIN2"},
 819         /* RIN34 PGA */
 820         {"RIN34 PGA", "RIN3 Switch", "RIN3"},
 821         {"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
 822         /* INMIXL */
 823         {"INMIXR", "Record Right Volume", "ROMIX"},
 824         {"INMIXR", "RIN2 Volume", "RIN2"},
 825         {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
 826         {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
 827         /* AIRNMUX */
 828         {"AIRNMUX", "INMIXR Mix", "INMIXR"},
 829         {"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"},
 830         {"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"},
 831         {"AIRNMUX", "RXVOICE Mix", "LIN4/RXN"},
 832         {"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"},
 833         /* ADC */
 834         {"Right ADC", NULL, "AIRNMUX"},
 835
 836         /* LOMIX */
 837         {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
 838         {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
 839         {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 840         {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 841         {"LOMIX", "LOMIX Right ADC Bypass Switch", "AIRNMUX"},
 842         {"LOMIX", "LOMIX Left ADC Bypass Switch", "AILNMUX"},
 843         {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
 844
 845         /* ROMIX */
 846         {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
 847         {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
 848         {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 849         {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 850         {"ROMIX", "ROMIX Right ADC Bypass Switch", "AIRNMUX"},
 851         {"ROMIX", "ROMIX Left ADC Bypass Switch", "AILNMUX"},
 852         {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
 853
 854         /* SPKMIX */
 855         {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
 856         {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
 857         {"SPKMIX", "SPKMIX LADC Bypass Switch", "AILNMUX"},
 858         {"SPKMIX", "SPKMIX RADC Bypass Switch", "AIRNMUX"},
 859         {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
 860         {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
 861         {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
 862         {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
 863
 864         /* LONMIX */
 865         {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
 866         {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
 867         {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
 868
 869         /* LOPMIX */
 870         {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 871         {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 872         {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
 873
 874         /* OUT3MIX */
 875         {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
 876         {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
 877
 878         /* OUT4MIX */
 879         {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
 880         {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
 881
 882         /* RONMIX */
 883         {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
 884         {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
 885         {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
 886
 887         /* ROPMIX */
 888         {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 889         {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 890         {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
 891
 892         /* Out Mixer PGAs */
 893         {"LOPGA", NULL, "LOMIX"},
 894         {"ROPGA", NULL, "ROMIX"},
 895
 896         {"LOUT PGA", NULL, "LOMIX"},
 897         {"ROUT PGA", NULL, "ROMIX"},
 898
 899         /* Output Pins */
 900         {"LON", NULL, "LONMIX"},
 901         {"LOP", NULL, "LOPMIX"},
 902         {"OUT3", NULL, "OUT3MIX"},
 903         {"LOUT", NULL, "LOUT PGA"},
 904         {"SPKN", NULL, "SPKMIX"},
 905         {"ROUT", NULL, "ROUT PGA"},
 906         {"OUT4", NULL, "OUT4MIX"},
 907         {"ROP", NULL, "ROPMIX"},
 908         {"RON", NULL, "RONMIX"},
 909 };
 910
 911 static int wm8400_add_widgets(struct snd_soc_codec *codec)
 912 {
 913         snd_soc_dapm_new_controls(codec, wm8400_dapm_widgets,
 914                                   ARRAY_SIZE(wm8400_dapm_widgets));
 915
 916         snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
 917
 918         snd_soc_dapm_new_widgets(codec);
 919         return 0;
 920 }
 921
 922 /*
 923  * Clock after FLL and dividers
 924  */
 925 static int wm8400_set_dai_sysclk(struct snd_soc_dai *codec_dai,
 926                 int clk_id, unsigned int freq, int dir)
 927 {
 928         struct snd_soc_codec *codec = codec_dai->codec;
 929         struct wm8400_priv *wm8400 = codec->private_data;
 930
 931         wm8400->sysclk = freq;
 932         return 0;
 933 }
 934
 935 struct fll_factors {
 936         u16 n;
 937         u16 k;
 938         u16 outdiv;
 939         u16 fratio;
 940         u16 freq_ref;
 941 };
 942
 943 #define FIXED_FLL_SIZE ((1 << 16) * 10)
 944
 945 static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors,
 946                        unsigned int Fref, unsigned int Fout)
 947 {
 948         u64 Kpart;
 949         unsigned int K, Nmod, target;
 950
 951         factors->outdiv = 2;
 952         while (Fout * factors->outdiv <  90000000 ||
 953                Fout * factors->outdiv > 100000000) {
 954                 factors->outdiv *= 2;
 955                 if (factors->outdiv > 32) {
 956                         dev_err(wm8400->wm8400->dev,
 957                                 "Unsupported FLL output frequency %uHz\n",
 958                                 Fout);
 959                         return -EINVAL;
 960                 }
 961         }
 962         target = Fout * factors->outdiv;
 963         factors->outdiv = factors->outdiv >> 2;
 964
 965         if (Fref < 48000)
 966                 factors->freq_ref = 1;
 967         else
 968                 factors->freq_ref = 0;
 969
 970         if (Fref < 1000000)
 971                 factors->fratio = 9;
 972         else
 973                 factors->fratio = 0;
 974
 975         /* Ensure we have a fractional part */
 976         do {
 977                 if (Fref < 1000000)
 978                         factors->fratio--;
 979                 else
 980                         factors->fratio++;
 981
 982                 if (factors->fratio < 1 || factors->fratio > 8) {
 983                         dev_err(wm8400->wm8400->dev,
 984                                 "Unable to calculate FRATIO\n");
 985                         return -EINVAL;
 986                 }
 987
 988                 factors->n = target / (Fref * factors->fratio);
 989                 Nmod = target % (Fref * factors->fratio);
 990         } while (Nmod == 0);
 991
 992         /* Calculate fractional part - scale up so we can round. */
 993         Kpart = FIXED_FLL_SIZE * (long long)Nmod;
 994
 995         do_div(Kpart, (Fref * factors->fratio));
 996
 997         K = Kpart & 0xFFFFFFFF;
 998
 999         if ((K % 10) >= 5)
1000                 K += 5;
1001
1002         /* Move down to proper range now rounding is done */
1003         factors->k = K / 10;
1004
1005         dev_dbg(wm8400->wm8400->dev,
1006                 "FLL: Fref=%u Fout=%u N=%x K=%x, FRATIO=%x OUTDIV=%x\n",
1007                 Fref, Fout,
1008                 factors->n, factors->k, factors->fratio, factors->outdiv);
1009
1010         return 0;
1011 }
1012
1013 static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1014                               unsigned int freq_in, unsigned int freq_out)
1015 {
1016         struct snd_soc_codec *codec = codec_dai->codec;
1017         struct wm8400_priv *wm8400 = codec->private_data;
1018         struct fll_factors factors;
1019         int ret;
1020         u16 reg;
1021
1022         if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out)
1023                 return 0;
1024
1025         if (freq_out) {
1026                 ret = fll_factors(wm8400, &factors, freq_in, freq_out);
1027                 if (ret != 0)
1028                         return ret;
1029         } else {
1030                 /* Bodge GCC 4.4.0 uninitialised variable warning - it
1031                  * doesn't seem capable of working out that we exit if
1032                  * freq_out is 0 before any of the uses. */
1033                 memset(&factors, 0, sizeof(factors));
1034         }
1035
1036         wm8400->fll_out = freq_out;
1037         wm8400->fll_in = freq_in;
1038
1039         /* We *must* disable the FLL before any changes */
1040         reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_2);
1041         reg &= ~WM8400_FLL_ENA;
1042         wm8400_write(codec, WM8400_POWER_MANAGEMENT_2, reg);
1043
1044         reg = wm8400_read(codec, WM8400_FLL_CONTROL_1);
1045         reg &= ~WM8400_FLL_OSC_ENA;
1046         wm8400_write(codec, WM8400_FLL_CONTROL_1, reg);
1047
1048         if (!freq_out)
1049                 return 0;
1050
1051         reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK);
1052         reg |= WM8400_FLL_FRAC | factors.fratio;
1053         reg |= factors.freq_ref << WM8400_FLL_REF_FREQ_SHIFT;
1054         wm8400_write(codec, WM8400_FLL_CONTROL_1, reg);
1055
1056         wm8400_write(codec, WM8400_FLL_CONTROL_2, factors.k);
1057         wm8400_write(codec, WM8400_FLL_CONTROL_3, factors.n);
1058
1059         reg = wm8400_read(codec, WM8400_FLL_CONTROL_4);
1060         reg &= WM8400_FLL_OUTDIV_MASK;
1061         reg |= factors.outdiv;
1062         wm8400_write(codec, WM8400_FLL_CONTROL_4, reg);
1063
1064         return 0;
1065 }
1066
1067 /*
1068  * Sets ADC and Voice DAC format.
1069  */
1070 static int wm8400_set_dai_fmt(struct snd_soc_dai *codec_dai,
1071                 unsigned int fmt)
1072 {
1073         struct snd_soc_codec *codec = codec_dai->codec;
1074         u16 audio1, audio3;
1075
1076         audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
1077         audio3 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_3);
1078
1079         /* set master/slave audio interface */
1080         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1081         case SND_SOC_DAIFMT_CBS_CFS:
1082                 audio3 &= ~WM8400_AIF_MSTR1;
1083                 break;
1084         case SND_SOC_DAIFMT_CBM_CFM:
1085                 audio3 |= WM8400_AIF_MSTR1;
1086                 break;
1087         default:
1088                 return -EINVAL;
1089         }
1090
1091         audio1 &= ~WM8400_AIF_FMT_MASK;
1092
1093         /* interface format */
1094         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1095         case SND_SOC_DAIFMT_I2S:
1096                 audio1 |= WM8400_AIF_FMT_I2S;
1097                 audio1 &= ~WM8400_AIF_LRCLK_INV;
1098                 break;
1099         case SND_SOC_DAIFMT_RIGHT_J:
1100                 audio1 |= WM8400_AIF_FMT_RIGHTJ;
1101                 audio1 &= ~WM8400_AIF_LRCLK_INV;
1102                 break;
1103         case SND_SOC_DAIFMT_LEFT_J:
1104                 audio1 |= WM8400_AIF_FMT_LEFTJ;
1105                 audio1 &= ~WM8400_AIF_LRCLK_INV;
1106                 break;
1107         case SND_SOC_DAIFMT_DSP_A:
1108                 audio1 |= WM8400_AIF_FMT_DSP;
1109                 audio1 &= ~WM8400_AIF_LRCLK_INV;
1110                 break;
1111         case SND_SOC_DAIFMT_DSP_B:
1112                 audio1 |= WM8400_AIF_FMT_DSP | WM8400_AIF_LRCLK_INV;
1113                 break;
1114         default:
1115                 return -EINVAL;
1116         }
1117
1118         wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
1119         wm8400_write(codec, WM8400_AUDIO_INTERFACE_3, audio3);
1120         return 0;
1121 }
1122
1123 static int wm8400_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1124                 int div_id, int div)
1125 {
1126         struct snd_soc_codec *codec = codec_dai->codec;
1127         u16 reg;
1128
1129         switch (div_id) {
1130         case WM8400_MCLK_DIV:
1131                 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1132                         ~WM8400_MCLK_DIV_MASK;
1133                 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1134                 break;
1135         case WM8400_DACCLK_DIV:
1136                 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1137                         ~WM8400_DAC_CLKDIV_MASK;
1138                 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1139                 break;
1140         case WM8400_ADCCLK_DIV:
1141                 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1142                         ~WM8400_ADC_CLKDIV_MASK;
1143                 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1144                 break;
1145         case WM8400_BCLK_DIV:
1146                 reg = wm8400_read(codec, WM8400_CLOCKING_1) &
1147                         ~WM8400_BCLK_DIV_MASK;
1148                 wm8400_write(codec, WM8400_CLOCKING_1, reg | div);
1149                 break;
1150         default:
1151                 return -EINVAL;
1152         }
1153
1154         return 0;
1155 }
1156
1157 /*
1158  * Set PCM DAI bit size and sample rate.
1159  */
1160 static int wm8400_hw_params(struct snd_pcm_substream *substream,
1161         struct snd_pcm_hw_params *params,
1162         struct snd_soc_dai *dai)
1163 {
1164         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1165         struct snd_soc_device *socdev = rtd->socdev;
1166         struct snd_soc_codec *codec = socdev->card->codec;
1167         u16 audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
1168
1169         audio1 &= ~WM8400_AIF_WL_MASK;
1170         /* bit size */
1171         switch (params_format(params)) {
1172         case SNDRV_PCM_FORMAT_S16_LE:
1173                 break;
1174         case SNDRV_PCM_FORMAT_S20_3LE:
1175                 audio1 |= WM8400_AIF_WL_20BITS;
1176                 break;
1177         case SNDRV_PCM_FORMAT_S24_LE:
1178                 audio1 |= WM8400_AIF_WL_24BITS;
1179                 break;
1180         case SNDRV_PCM_FORMAT_S32_LE:
1181                 audio1 |= WM8400_AIF_WL_32BITS;
1182                 break;
1183         }
1184
1185         wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
1186         return 0;
1187 }
1188
1189 static int wm8400_mute(struct snd_soc_dai *dai, int mute)
1190 {
1191         struct snd_soc_codec *codec = dai->codec;
1192         u16 val = wm8400_read(codec, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE;
1193
1194         if (mute)
1195                 wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1196         else
1197                 wm8400_write(codec, WM8400_DAC_CTRL, val);
1198
1199         return 0;
1200 }
1201
1202 /* TODO: set bias for best performance at standby */
1203 static int wm8400_set_bias_level(struct snd_soc_codec *codec,
1204                                  enum snd_soc_bias_level level)
1205 {
1206         struct wm8400_priv *wm8400 = codec->private_data;
1207         u16 val;
1208         int ret;
1209
1210         switch (level) {
1211         case SND_SOC_BIAS_ON:
1212                 break;
1213
1214         case SND_SOC_BIAS_PREPARE:
1215                 /* VMID=2*50k */
1216                 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) &
1217                         ~WM8400_VMID_MODE_MASK;
1218                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x2);
1219                 break;
1220
1221         case SND_SOC_BIAS_STANDBY:
1222                 if (codec->bias_level == SND_SOC_BIAS_OFF) {
1223                         ret = regulator_bulk_enable(ARRAY_SIZE(power),
1224                                                     &power[0]);
1225                         if (ret != 0) {
1226                                 dev_err(wm8400->wm8400->dev,
1227                                         "Failed to enable regulators: %d\n",
1228                                         ret);
1229                                 return ret;
1230                         }
1231
1232                         wm8400_write(codec, WM8400_POWER_MANAGEMENT_1,
1233                                      WM8400_CODEC_ENA | WM8400_SYSCLK_ENA);
1234
1235                         /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1236                         wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1237                                      WM8400_BUFDCOPEN | WM8400_POBCTRL);
1238
1239                         msleep(50);
1240
1241                         /* Enable VREF & VMID at 2x50k */
1242                         val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1243                         val |= 0x2 | WM8400_VREF_ENA;
1244                         wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1245
1246                         /* Enable BUFIOEN */
1247                         wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1248                                      WM8400_BUFDCOPEN | WM8400_POBCTRL |
1249                                      WM8400_BUFIOEN);
1250
1251                         /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1252                         wm8400_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN);
1253                 }
1254
1255                 /* VMID=2*300k */
1256                 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) &
1257                         ~WM8400_VMID_MODE_MASK;
1258                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x4);
1259                 break;
1260
1261         case SND_SOC_BIAS_OFF:
1262                 /* Enable POBCTRL and SOFT_ST */
1263                 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1264                         WM8400_POBCTRL | WM8400_BUFIOEN);
1265
1266                 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1267                 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1268                         WM8400_BUFDCOPEN | WM8400_POBCTRL |
1269                         WM8400_BUFIOEN);
1270
1271                 /* mute DAC */
1272                 val = wm8400_read(codec, WM8400_DAC_CTRL);
1273                 wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1274
1275                 /* Enable any disabled outputs */
1276                 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1277                 val |= WM8400_SPK_ENA | WM8400_OUT3_ENA |
1278                         WM8400_OUT4_ENA | WM8400_LOUT_ENA |
1279                         WM8400_ROUT_ENA;
1280                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1281
1282                 /* Disable VMID */
1283                 val &= ~WM8400_VMID_MODE_MASK;
1284                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1285
1286                 msleep(300);
1287
1288                 /* Enable all output discharge bits */
1289                 wm8400_write(codec, WM8400_ANTIPOP1, WM8400_DIS_LLINE |
1290                         WM8400_DIS_RLINE | WM8400_DIS_OUT3 |
1291                         WM8400_DIS_OUT4 | WM8400_DIS_LOUT |
1292                         WM8400_DIS_ROUT);
1293
1294                 /* Disable VREF */
1295                 val &= ~WM8400_VREF_ENA;
1296                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1297
1298                 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1299                 wm8400_write(codec, WM8400_ANTIPOP2, 0x0);
1300
1301                 ret = regulator_bulk_disable(ARRAY_SIZE(power),
1302                                              &power[0]);
1303                 if (ret != 0)
1304                         return ret;
1305
1306                 break;
1307         }
1308
1309         codec->bias_level = level;
1310         return 0;
1311 }
1312
1313 #define WM8400_RATES SNDRV_PCM_RATE_8000_96000
1314
1315 #define WM8400_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1316         SNDRV_PCM_FMTBIT_S24_LE)
1317
1318 static struct snd_soc_dai_ops wm8400_dai_ops = {
1319         .hw_params = wm8400_hw_params,
1320         .digital_mute = wm8400_mute,
1321         .set_fmt = wm8400_set_dai_fmt,
1322         .set_clkdiv = wm8400_set_dai_clkdiv,
1323         .set_sysclk = wm8400_set_dai_sysclk,
1324         .set_pll = wm8400_set_dai_pll,
1325 };
1326
1327 /*
1328  * The WM8400 supports 2 different and mutually exclusive DAI
1329  * configurations.
1330  *
1331  * 1. ADC/DAC on Primary Interface
1332  * 2. ADC on Primary Interface/DAC on secondary
1333  */
1334 struct snd_soc_dai wm8400_dai = {
1335 /* ADC/DAC on primary */
1336         .name = "WM8400 ADC/DAC Primary",
1337         .id = 1,
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 EXPORT_SYMBOL_GPL(wm8400_dai);
1355
1356 static int wm8400_suspend(struct platform_device *pdev, pm_message_t state)
1357 {
1358         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1359         struct snd_soc_codec *codec = socdev->card->codec;
1360
1361         wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
1362
1363         return 0;
1364 }
1365
1366 static int wm8400_resume(struct platform_device *pdev)
1367 {
1368         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1369         struct snd_soc_codec *codec = socdev->card->codec;
1370
1371         wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1372
1373         return 0;
1374 }
1375
1376 static struct snd_soc_codec *wm8400_codec;
1377
1378 static int wm8400_probe(struct platform_device *pdev)
1379 {
1380         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1381         struct snd_soc_codec *codec;
1382         int ret;
1383
1384         if (!wm8400_codec) {
1385                 dev_err(&pdev->dev, "wm8400 not yet discovered\n");
1386                 return -ENODEV;
1387         }
1388         codec = wm8400_codec;
1389
1390         socdev->card->codec = codec;
1391
1392         /* register pcms */
1393         ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
1394         if (ret < 0) {
1395                 dev_err(&pdev->dev, "failed to create pcms\n");
1396                 goto pcm_err;
1397         }
1398
1399         wm8400_add_controls(codec);
1400         wm8400_add_widgets(codec);
1401
1402         ret = snd_soc_init_card(socdev);
1403         if (ret < 0) {
1404                 dev_err(&pdev->dev, "failed to register card\n");
1405                 goto card_err;
1406         }
1407
1408         return ret;
1409
1410 card_err:
1411         snd_soc_free_pcms(socdev);
1412         snd_soc_dapm_free(socdev);
1413 pcm_err:
1414         return ret;
1415 }
1416
1417 /* power down chip */
1418 static int wm8400_remove(struct platform_device *pdev)
1419 {
1420         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1421
1422         snd_soc_free_pcms(socdev);
1423         snd_soc_dapm_free(socdev);
1424
1425         return 0;
1426 }
1427
1428 struct snd_soc_codec_device soc_codec_dev_wm8400 = {
1429         .probe =        wm8400_probe,
1430         .remove =       wm8400_remove,
1431         .suspend =      wm8400_suspend,
1432         .resume =       wm8400_resume,
1433 };
1434
1435 static void wm8400_probe_deferred(struct work_struct *work)
1436 {
1437         struct wm8400_priv *priv = container_of(work, struct wm8400_priv,
1438                                                 work);
1439         struct snd_soc_codec *codec = &priv->codec;
1440         int ret;
1441
1442         /* charge output caps */
1443         wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1444
1445         /* We're done, tell the subsystem. */
1446         ret = snd_soc_register_codec(codec);
1447         if (ret != 0) {
1448                 dev_err(priv->wm8400->dev,
1449                         "Failed to register codec: %d\n", ret);
1450                 goto err;
1451         }
1452
1453         ret = snd_soc_register_dai(&wm8400_dai);
1454         if (ret != 0) {
1455                 dev_err(priv->wm8400->dev,
1456                         "Failed to register DAI: %d\n", ret);
1457                 goto err_codec;
1458         }
1459
1460         return;
1461
1462 err_codec:
1463         snd_soc_unregister_codec(codec);
1464 err:
1465         wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
1466 }
1467
1468 static int wm8400_codec_probe(struct platform_device *dev)
1469 {
1470         struct wm8400_priv *priv;
1471         int ret;
1472         u16 reg;
1473         struct snd_soc_codec *codec;
1474
1475         priv = kzalloc(sizeof(struct wm8400_priv), GFP_KERNEL);
1476         if (priv == NULL)
1477                 return -ENOMEM;
1478
1479         codec = &priv->codec;
1480         codec->private_data = priv;
1481         codec->control_data = dev_get_drvdata(&dev->dev);
1482         priv->wm8400 = dev_get_drvdata(&dev->dev);
1483
1484         ret = regulator_bulk_get(priv->wm8400->dev,
1485                                  ARRAY_SIZE(power), &power[0]);
1486         if (ret != 0) {
1487                 dev_err(&dev->dev, "Failed to get regulators: %d\n", ret);
1488                 goto err;
1489         }
1490
1491         codec->dev = &dev->dev;
1492         wm8400_dai.dev = &dev->dev;
1493
1494         codec->name = "WM8400";
1495         codec->owner = THIS_MODULE;
1496         codec->read = wm8400_read;
1497         codec->write = wm8400_write;
1498         codec->bias_level = SND_SOC_BIAS_OFF;
1499         codec->set_bias_level = wm8400_set_bias_level;
1500         codec->dai = &wm8400_dai;
1501         codec->num_dai = 1;
1502         codec->reg_cache_size = WM8400_REGISTER_COUNT;
1503         mutex_init(&codec->mutex);
1504         INIT_LIST_HEAD(&codec->dapm_widgets);
1505         INIT_LIST_HEAD(&codec->dapm_paths);
1506         INIT_WORK(&priv->work, wm8400_probe_deferred);
1507
1508         wm8400_codec_reset(codec);
1509
1510         reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1511         wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA);
1512
1513         /* Latch volume update bits */
1514         reg = wm8400_read(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME);
1515         wm8400_write(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
1516                      reg & WM8400_IPVU);
1517         reg = wm8400_read(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME);
1518         wm8400_write(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
1519                      reg & WM8400_IPVU);
1520
1521         wm8400_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1522         wm8400_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1523
1524         wm8400_codec = codec;
1525
1526         if (!schedule_work(&priv->work)) {
1527                 ret = -EINVAL;
1528                 goto err_regulator;
1529         }
1530
1531         return 0;
1532
1533 err_regulator:
1534         wm8400_codec = NULL;
1535         regulator_bulk_free(ARRAY_SIZE(power), power);
1536 err:
1537         kfree(priv);
1538         return ret;
1539 }
1540
1541 static int __exit wm8400_codec_remove(struct platform_device *dev)
1542 {
1543         struct wm8400_priv *priv = wm8400_codec->private_data;
1544         u16 reg;
1545
1546         snd_soc_unregister_dai(&wm8400_dai);
1547         snd_soc_unregister_codec(wm8400_codec);
1548
1549         reg = wm8400_read(wm8400_codec, WM8400_POWER_MANAGEMENT_1);
1550         wm8400_write(wm8400_codec, WM8400_POWER_MANAGEMENT_1,
1551                      reg & (~WM8400_CODEC_ENA));
1552
1553         regulator_bulk_free(ARRAY_SIZE(power), power);
1554         kfree(priv);
1555
1556         wm8400_codec = NULL;
1557
1558         return 0;
1559 }
1560
1561 #ifdef CONFIG_PM
1562 static int wm8400_pdev_suspend(struct platform_device *pdev, pm_message_t msg)
1563 {
1564         return snd_soc_suspend_device(&pdev->dev);
1565 }
1566
1567 static int wm8400_pdev_resume(struct platform_device *pdev)
1568 {
1569         return snd_soc_resume_device(&pdev->dev);
1570 }
1571 #else
1572 #define wm8400_pdev_suspend NULL
1573 #define wm8400_pdev_resume NULL
1574 #endif
1575
1576 static struct platform_driver wm8400_codec_driver = {
1577         .driver = {
1578                 .name = "wm8400-codec",
1579                 .owner = THIS_MODULE,
1580         },
1581         .probe = wm8400_codec_probe,
1582         .remove = __exit_p(wm8400_codec_remove),
1583         .suspend = wm8400_pdev_suspend,
1584         .resume = wm8400_pdev_resume,
1585 };
1586
1587 static int __init wm8400_codec_init(void)
1588 {
1589         return platform_driver_register(&wm8400_codec_driver);
1590 }
1591 module_init(wm8400_codec_init);
1592
1593 static void __exit wm8400_codec_exit(void)
1594 {
1595         platform_driver_unregister(&wm8400_codec_driver);
1596 }
1597 module_exit(wm8400_codec_exit);
1598
1599 EXPORT_SYMBOL_GPL(soc_codec_dev_wm8400);
1600
1601 MODULE_DESCRIPTION("ASoC WM8400 driver");
1602 MODULE_AUTHOR("Mark Brown");
1603 MODULE_LICENSE("GPL");
1604 MODULE_ALIAS("platform:wm8400-codec");