linux/sound/soc/codecs/wm8400.c
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   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
  41static 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 */
  66struct 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
  76static 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 */
  90static 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
 102static 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
 109static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600);
 110
 111static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000);
 112
 113static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, -2100, 0);
 114
 115static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600);
 116
 117static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0);
 118
 119static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0);
 120
 121static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763);
 122
 123static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0);
 124
 125static 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
 154static const char *wm8400_digital_sidetone[] =
 155        {"None", "Left ADC", "Right ADC", "Reserved"};
 156
 157static const struct soc_enum wm8400_left_digital_sidetone_enum =
 158SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
 159                WM8400_ADC_TO_DACL_SHIFT, 2, wm8400_digital_sidetone);
 160
 161static const struct soc_enum wm8400_right_digital_sidetone_enum =
 162SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
 163                WM8400_ADC_TO_DACR_SHIFT, 2, wm8400_digital_sidetone);
 164
 165static const char *wm8400_adcmode[] =
 166        {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
 167
 168static const struct soc_enum wm8400_right_adcmode_enum =
 169SOC_ENUM_SINGLE(WM8400_ADC_CTRL, WM8400_ADC_HPF_CUT_SHIFT, 3, wm8400_adcmode);
 170
 171static const struct snd_kcontrol_new wm8400_snd_controls[] = {
 172/* INMIXL */
 173SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT,
 174           1, 0),
 175SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT,
 176           1, 0),
 177/* INMIXR */
 178SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT,
 179           1, 0),
 180SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT,
 181           1, 0),
 182
 183/* LOMIX */
 184SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3,
 185        WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
 186SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
 187        WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv),
 188SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
 189        WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv),
 190SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5,
 191        WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
 192SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
 193        WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
 194SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
 195        WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
 196
 197/* ROMIX */
 198SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4,
 199        WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
 200SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
 201        WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv),
 202SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
 203        WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv),
 204SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6,
 205        WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
 206SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
 207        WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv),
 208SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
 209        WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv),
 210
 211/* LOUT */
 212WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME,
 213        WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv),
 214SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0),
 215
 216/* ROUT */
 217WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME,
 218        WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv),
 219SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0),
 220
 221/* LOPGA */
 222WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME,
 223        WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv),
 224SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME,
 225        WM8400_LOPGAZC_SHIFT, 1, 0),
 226
 227/* ROPGA */
 228WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME,
 229        WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv),
 230SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME,
 231        WM8400_ROPGAZC_SHIFT, 1, 0),
 232
 233SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 234        WM8400_LONMUTE_SHIFT, 1, 0),
 235SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 236        WM8400_LOPMUTE_SHIFT, 1, 0),
 237SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
 238        WM8400_LOATTN_SHIFT, 1, 0),
 239SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 240        WM8400_RONMUTE_SHIFT, 1, 0),
 241SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 242        WM8400_ROPMUTE_SHIFT, 1, 0),
 243SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
 244        WM8400_ROATTN_SHIFT, 1, 0),
 245
 246SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME,
 247        WM8400_OUT3MUTE_SHIFT, 1, 0),
 248SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME,
 249        WM8400_OUT3ATTN_SHIFT, 1, 0),
 250
 251SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME,
 252        WM8400_OUT4MUTE_SHIFT, 1, 0),
 253SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME,
 254        WM8400_OUT4ATTN_SHIFT, 1, 0),
 255
 256SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1,
 257        WM8400_CDMODE_SHIFT, 1, 0),
 258
 259SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME,
 260        WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0),
 261SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3,
 262        WM8400_DCGAIN_SHIFT, 6, 0),
 263SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3,
 264        WM8400_ACGAIN_SHIFT, 6, 0),
 265
 266WM8400_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
 270WM8400_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
 274SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum),
 275SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum),
 276
 277SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
 278        WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
 279SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
 280        WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
 281
 282SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL,
 283        WM8400_ADC_HPF_ENA_SHIFT, 1, 0),
 284
 285SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum),
 286
 287WM8400_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
 294WM8400_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
 301WM8400_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
 308SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
 309        WM8400_LI12ZC_SHIFT, 1, 0),
 310
 311SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
 312        WM8400_LI12MUTE_SHIFT, 1, 0),
 313
 314WM8400_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
 321SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
 322        WM8400_LI34ZC_SHIFT, 1, 0),
 323
 324SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
 325        WM8400_LI34MUTE_SHIFT, 1, 0),
 326
 327WM8400_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
 334SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
 335        WM8400_RI12ZC_SHIFT, 1, 0),
 336
 337SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
 338        WM8400_RI12MUTE_SHIFT, 1, 0),
 339
 340WM8400_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
 347SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
 348        WM8400_RI34ZC_SHIFT, 1, 0),
 349
 350SOC_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 */
 356static 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
 366static 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
 392static 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 */
 440static 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 */
 446static const struct snd_kcontrol_new wm8400_dapm_lin12_pga_controls[] = {
 447SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0),
 448SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0),
 449};
 450
 451static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = {
 452SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0),
 453SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0),
 454};
 455
 456/* Right In PGA Connections */
 457static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = {
 458SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0),
 459SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0),
 460};
 461
 462static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = {
 463SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0),
 464SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0),
 465};
 466
 467/* INMIXL */
 468static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = {
 469SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3,
 470        WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv),
 471SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT,
 472        7, 0, in_mix_tlv),
 473SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
 474                1, 0),
 475SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
 476                1, 0),
 477};
 478
 479/* INMIXR */
 480static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = {
 481SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4,
 482        WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv),
 483SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT,
 484        7, 0, in_mix_tlv),
 485SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
 486        1, 0),
 487SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
 488        1, 0),
 489};
 490
 491/* AINLMUX */
 492static const char *wm8400_ainlmux[] =
 493        {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
 494
 495static const struct soc_enum wm8400_ainlmux_enum =
 496SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINLMODE_SHIFT,
 497        ARRAY_SIZE(wm8400_ainlmux), wm8400_ainlmux);
 498
 499static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls =
 500SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum);
 501
 502/* DIFFINL */
 503
 504/* AINRMUX */
 505static const char *wm8400_ainrmux[] =
 506        {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
 507
 508static const struct soc_enum wm8400_ainrmux_enum =
 509SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINRMODE_SHIFT,
 510        ARRAY_SIZE(wm8400_ainrmux), wm8400_ainrmux);
 511
 512static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls =
 513SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum);
 514
 515/* RXVOICE */
 516static const struct snd_kcontrol_new wm8400_dapm_rxvoice_controls[] = {
 517SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8400_INPUT_MIXER5, WM8400_LR4BVOL_SHIFT,
 518                        WM8400_LR4BVOL_MASK, 0, in_mix_tlv),
 519SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8400_INPUT_MIXER6, WM8400_RL4BVOL_SHIFT,
 520                        WM8400_RL4BVOL_MASK, 0, in_mix_tlv),
 521};
 522
 523/* LOMIX */
 524static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = {
 525SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
 526        WM8400_LRBLO_SHIFT, 1, 0),
 527SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
 528        WM8400_LLBLO_SHIFT, 1, 0),
 529SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
 530        WM8400_LRI3LO_SHIFT, 1, 0),
 531SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
 532        WM8400_LLI3LO_SHIFT, 1, 0),
 533SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
 534        WM8400_LR12LO_SHIFT, 1, 0),
 535SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
 536        WM8400_LL12LO_SHIFT, 1, 0),
 537SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1,
 538        WM8400_LDLO_SHIFT, 1, 0),
 539};
 540
 541/* ROMIX */
 542static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = {
 543SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
 544        WM8400_RLBRO_SHIFT, 1, 0),
 545SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
 546        WM8400_RRBRO_SHIFT, 1, 0),
 547SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
 548        WM8400_RLI3RO_SHIFT, 1, 0),
 549SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
 550        WM8400_RRI3RO_SHIFT, 1, 0),
 551SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
 552        WM8400_RL12RO_SHIFT, 1, 0),
 553SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
 554        WM8400_RR12RO_SHIFT, 1, 0),
 555SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2,
 556        WM8400_RDRO_SHIFT, 1, 0),
 557};
 558
 559/* LONMIX */
 560static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = {
 561SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
 562        WM8400_LLOPGALON_SHIFT, 1, 0),
 563SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1,
 564        WM8400_LROPGALON_SHIFT, 1, 0),
 565SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1,
 566        WM8400_LOPLON_SHIFT, 1, 0),
 567};
 568
 569/* LOPMIX */
 570static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = {
 571SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1,
 572        WM8400_LR12LOP_SHIFT, 1, 0),
 573SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1,
 574        WM8400_LL12LOP_SHIFT, 1, 0),
 575SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
 576        WM8400_LLOPGALOP_SHIFT, 1, 0),
 577};
 578
 579/* RONMIX */
 580static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = {
 581SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
 582        WM8400_RROPGARON_SHIFT, 1, 0),
 583SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2,
 584        WM8400_RLOPGARON_SHIFT, 1, 0),
 585SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2,
 586        WM8400_ROPRON_SHIFT, 1, 0),
 587};
 588
 589/* ROPMIX */
 590static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = {
 591SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2,
 592        WM8400_RL12ROP_SHIFT, 1, 0),
 593SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2,
 594        WM8400_RR12ROP_SHIFT, 1, 0),
 595SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
 596        WM8400_RROPGAROP_SHIFT, 1, 0),
 597};
 598
 599/* OUT3MIX */
 600static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = {
 601SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
 602        WM8400_LI4O3_SHIFT, 1, 0),
 603SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER,
 604        WM8400_LPGAO3_SHIFT, 1, 0),
 605};
 606
 607/* OUT4MIX */
 608static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = {
 609SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER,
 610        WM8400_RPGAO4_SHIFT, 1, 0),
 611SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
 612        WM8400_RI4O4_SHIFT, 1, 0),
 613};
 614
 615/* SPKMIX */
 616static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = {
 617SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
 618        WM8400_LI2SPK_SHIFT, 1, 0),
 619SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER,
 620        WM8400_LB2SPK_SHIFT, 1, 0),
 621SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER,
 622        WM8400_LOPGASPK_SHIFT, 1, 0),
 623SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER,
 624        WM8400_LDSPK_SHIFT, 1, 0),
 625SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER,
 626        WM8400_RDSPK_SHIFT, 1, 0),
 627SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER,
 628        WM8400_ROPGASPK_SHIFT, 1, 0),
 629SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER,
 630        WM8400_RL12ROP_SHIFT, 1, 0),
 631SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
 632        WM8400_RI2SPK_SHIFT, 1, 0),
 633};
 634
 635static const struct snd_soc_dapm_widget wm8400_dapm_widgets[] = {
 636/* Input Side */
 637/* Input Lines */
 638SND_SOC_DAPM_INPUT("LIN1"),
 639SND_SOC_DAPM_INPUT("LIN2"),
 640SND_SOC_DAPM_INPUT("LIN3"),
 641SND_SOC_DAPM_INPUT("LIN4/RXN"),
 642SND_SOC_DAPM_INPUT("RIN3"),
 643SND_SOC_DAPM_INPUT("RIN4/RXP"),
 644SND_SOC_DAPM_INPUT("RIN1"),
 645SND_SOC_DAPM_INPUT("RIN2"),
 646SND_SOC_DAPM_INPUT("Internal ADC Source"),
 647
 648/* DACs */
 649SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8400_POWER_MANAGEMENT_2,
 650        WM8400_ADCL_ENA_SHIFT, 0),
 651SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2,
 652        WM8400_ADCR_ENA_SHIFT, 0),
 653
 654/* Input PGAs */
 655SND_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)),
 659SND_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)),
 663SND_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)),
 667SND_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 */
 673SND_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 */
 679SND_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 */
 684SND_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 */
 690SND_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 */
 696SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8400_POWER_MANAGEMENT_3,
 697        WM8400_DACL_ENA_SHIFT, 0),
 698SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3,
 699        WM8400_DACR_ENA_SHIFT, 0),
 700
 701/* LOMIX */
 702SND_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 */
 709SND_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 */
 714SND_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 */
 719SND_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 */
 724SND_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 */
 730SND_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 */
 735SND_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 */
 740SND_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 */
 745SND_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 */
 752SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT,
 753                 0, NULL, 0),
 754
 755/* ROUT PGA */
 756SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT,
 757                 0, NULL, 0),
 758
 759/* LOPGA */
 760SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0,
 761        NULL, 0),
 762
 763/* ROPGA */
 764SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0,
 765        NULL, 0),
 766
 767/* MICBIAS */
 768SND_SOC_DAPM_MICBIAS("MICBIAS", WM8400_POWER_MANAGEMENT_1,
 769        WM8400_MIC1BIAS_ENA_SHIFT, 0),
 770
 771SND_SOC_DAPM_OUTPUT("LON"),
 772SND_SOC_DAPM_OUTPUT("LOP"),
 773SND_SOC_DAPM_OUTPUT("OUT3"),
 774SND_SOC_DAPM_OUTPUT("LOUT"),
 775SND_SOC_DAPM_OUTPUT("SPKN"),
 776SND_SOC_DAPM_OUTPUT("SPKP"),
 777SND_SOC_DAPM_OUTPUT("ROUT"),
 778SND_SOC_DAPM_OUTPUT("OUT4"),
 779SND_SOC_DAPM_OUTPUT("ROP"),
 780SND_SOC_DAPM_OUTPUT("RON"),
 781
 782SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
 783};
 784
 785static 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
 911static 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 */
 925static 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
 935struct 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
 945static 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
1013static 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 */
1070static 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
1123static 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 */
1160static 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
1189static 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 */
1203static 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
1318static 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 */
1334struct 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};
1354EXPORT_SYMBOL_GPL(wm8400_dai);
1355
1356static 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
1366static 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
1376static struct snd_soc_codec *wm8400_codec;
1377
1378static 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
1410card_err:
1411        snd_soc_free_pcms(socdev);
1412        snd_soc_dapm_free(socdev);
1413pcm_err:
1414        return ret;
1415}
1416
1417/* power down chip */
1418static 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
1428struct 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
1435static 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
1462err_codec:
1463        snd_soc_unregister_codec(codec);
1464err:
1465        wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
1466}
1467
1468static 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
1533err_regulator:
1534        wm8400_codec = NULL;
1535        regulator_bulk_free(ARRAY_SIZE(power), power);
1536err:
1537        kfree(priv);
1538        return ret;
1539}
1540
1541static 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
1562static int wm8400_pdev_suspend(struct platform_device *pdev, pm_message_t msg)
1563{
1564        return snd_soc_suspend_device(&pdev->dev);
1565}
1566
1567static 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
1576static 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
1587static int __init wm8400_codec_init(void)
1588{
1589        return platform_driver_register(&wm8400_codec_driver);
1590}
1591module_init(wm8400_codec_init);
1592
1593static void __exit wm8400_codec_exit(void)
1594{
1595        platform_driver_unregister(&wm8400_codec_driver);
1596}
1597module_exit(wm8400_codec_exit);
1598
1599EXPORT_SYMBOL_GPL(soc_codec_dev_wm8400);
1600
1601MODULE_DESCRIPTION("ASoC WM8400 driver");
1602MODULE_AUTHOR("Mark Brown");
1603MODULE_LICENSE("GPL");
1604MODULE_ALIAS("platform:wm8400-codec");
1605