linux/sound/soc/codecs/wm8991.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * wm8991.c  --  WM8991 ALSA Soc Audio driver
   4 *
   5 * Copyright 2007-2010 Wolfson Microelectronics PLC.
   6 * Author: Graeme Gregory
   7 *         Graeme.Gregory@wolfsonmicro.com
   8 */
   9
  10#include <linux/module.h>
  11#include <linux/moduleparam.h>
  12#include <linux/kernel.h>
  13#include <linux/init.h>
  14#include <linux/delay.h>
  15#include <linux/pm.h>
  16#include <linux/i2c.h>
  17#include <linux/regmap.h>
  18#include <linux/slab.h>
  19#include <sound/core.h>
  20#include <sound/pcm.h>
  21#include <sound/pcm_params.h>
  22#include <sound/soc.h>
  23#include <sound/soc-dapm.h>
  24#include <sound/initval.h>
  25#include <sound/tlv.h>
  26#include <asm/div64.h>
  27
  28#include "wm8991.h"
  29
  30struct wm8991_priv {
  31        struct regmap *regmap;
  32        unsigned int pcmclk;
  33};
  34
  35static const struct reg_default wm8991_reg_defaults[] = {
  36        {  1, 0x0000 },     /* R1  - Power Management (1) */
  37        {  2, 0x6000 },     /* R2  - Power Management (2) */
  38        {  3, 0x0000 },     /* R3  - Power Management (3) */
  39        {  4, 0x4050 },     /* R4  - Audio Interface (1) */
  40        {  5, 0x4000 },     /* R5  - Audio Interface (2) */
  41        {  6, 0x01C8 },     /* R6  - Clocking (1) */
  42        {  7, 0x0000 },     /* R7  - Clocking (2) */
  43        {  8, 0x0040 },     /* R8  - Audio Interface (3) */
  44        {  9, 0x0040 },     /* R9  - Audio Interface (4) */
  45        { 10, 0x0004 },     /* R10 - DAC CTRL */
  46        { 11, 0x00C0 },     /* R11 - Left DAC Digital Volume */
  47        { 12, 0x00C0 },     /* R12 - Right DAC Digital Volume */
  48        { 13, 0x0000 },     /* R13 - Digital Side Tone */
  49        { 14, 0x0100 },     /* R14 - ADC CTRL */
  50        { 15, 0x00C0 },     /* R15 - Left ADC Digital Volume */
  51        { 16, 0x00C0 },     /* R16 - Right ADC Digital Volume */
  52
  53        { 18, 0x0000 },     /* R18 - GPIO CTRL 1 */
  54        { 19, 0x1000 },     /* R19 - GPIO1 & GPIO2 */
  55        { 20, 0x1010 },     /* R20 - GPIO3 & GPIO4 */
  56        { 21, 0x1010 },     /* R21 - GPIO5 & GPIO6 */
  57        { 22, 0x8000 },     /* R22 - GPIOCTRL 2 */
  58        { 23, 0x0800 },     /* R23 - GPIO_POL */
  59        { 24, 0x008B },     /* R24 - Left Line Input 1&2 Volume */
  60        { 25, 0x008B },     /* R25 - Left Line Input 3&4 Volume */
  61        { 26, 0x008B },     /* R26 - Right Line Input 1&2 Volume */
  62        { 27, 0x008B },     /* R27 - Right Line Input 3&4 Volume */
  63        { 28, 0x0000 },     /* R28 - Left Output Volume */
  64        { 29, 0x0000 },     /* R29 - Right Output Volume */
  65        { 30, 0x0066 },     /* R30 - Line Outputs Volume */
  66        { 31, 0x0022 },     /* R31 - Out3/4 Volume */
  67        { 32, 0x0079 },     /* R32 - Left OPGA Volume */
  68        { 33, 0x0079 },     /* R33 - Right OPGA Volume */
  69        { 34, 0x0003 },     /* R34 - Speaker Volume */
  70        { 35, 0x0003 },     /* R35 - ClassD1 */
  71
  72        { 37, 0x0100 },     /* R37 - ClassD3 */
  73
  74        { 39, 0x0000 },     /* R39 - Input Mixer1 */
  75        { 40, 0x0000 },     /* R40 - Input Mixer2 */
  76        { 41, 0x0000 },     /* R41 - Input Mixer3 */
  77        { 42, 0x0000 },     /* R42 - Input Mixer4 */
  78        { 43, 0x0000 },     /* R43 - Input Mixer5 */
  79        { 44, 0x0000 },     /* R44 - Input Mixer6 */
  80        { 45, 0x0000 },     /* R45 - Output Mixer1 */
  81        { 46, 0x0000 },     /* R46 - Output Mixer2 */
  82        { 47, 0x0000 },     /* R47 - Output Mixer3 */
  83        { 48, 0x0000 },     /* R48 - Output Mixer4 */
  84        { 49, 0x0000 },     /* R49 - Output Mixer5 */
  85        { 50, 0x0000 },     /* R50 - Output Mixer6 */
  86        { 51, 0x0180 },     /* R51 - Out3/4 Mixer */
  87        { 52, 0x0000 },     /* R52 - Line Mixer1 */
  88        { 53, 0x0000 },     /* R53 - Line Mixer2 */
  89        { 54, 0x0000 },     /* R54 - Speaker Mixer */
  90        { 55, 0x0000 },     /* R55 - Additional Control */
  91        { 56, 0x0000 },     /* R56 - AntiPOP1 */
  92        { 57, 0x0000 },     /* R57 - AntiPOP2 */
  93        { 58, 0x0000 },     /* R58 - MICBIAS */
  94
  95        { 60, 0x0008 },     /* R60 - PLL1 */
  96        { 61, 0x0031 },     /* R61 - PLL2 */
  97        { 62, 0x0026 },     /* R62 - PLL3 */
  98};
  99
 100static bool wm8991_volatile(struct device *dev, unsigned int reg)
 101{
 102        switch (reg) {
 103        case WM8991_RESET:
 104                return true;
 105        default:
 106                return false;
 107        }
 108}
 109
 110static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(in_pga_tlv, -1650, 150, 0);
 111static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(out_mix_tlv, -2100, 300, 0);
 112static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(out_pga_tlv,
 113        0x00, 0x2f, SNDRV_CTL_TLVD_DB_SCALE_ITEM(SNDRV_CTL_TLVD_DB_GAIN_MUTE, 0, 1),
 114        0x30, 0x7f, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-7300, 100, 0),
 115);
 116static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(out_dac_tlv,
 117        0x00, 0xbf, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-71625, 375, 1),
 118        0xc0, 0xff, SNDRV_CTL_TLVD_DB_SCALE_ITEM(0, 0, 0),
 119);
 120static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(in_adc_tlv,
 121        0x00, 0xef, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-71625, 375, 1),
 122        0xf0, 0xff, SNDRV_CTL_TLVD_DB_SCALE_ITEM(17625, 0, 0),
 123);
 124static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(out_sidetone_tlv,
 125        0x00, 0x0c, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-3600, 300, 0),
 126        0x0d, 0x0f, SNDRV_CTL_TLVD_DB_SCALE_ITEM(0, 0, 0),
 127);
 128
 129static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
 130                                      struct snd_ctl_elem_value *ucontrol)
 131{
 132        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 133        int reg = kcontrol->private_value & 0xff;
 134        int ret;
 135        u16 val;
 136
 137        ret = snd_soc_put_volsw(kcontrol, ucontrol);
 138        if (ret < 0)
 139                return ret;
 140
 141        /* now hit the volume update bits (always bit 8) */
 142        val = snd_soc_component_read32(component, reg);
 143        return snd_soc_component_write(component, reg, val | 0x0100);
 144}
 145
 146static const char *wm8991_digital_sidetone[] =
 147{"None", "Left ADC", "Right ADC", "Reserved"};
 148
 149static SOC_ENUM_SINGLE_DECL(wm8991_left_digital_sidetone_enum,
 150                            WM8991_DIGITAL_SIDE_TONE,
 151                            WM8991_ADC_TO_DACL_SHIFT,
 152                            wm8991_digital_sidetone);
 153
 154static SOC_ENUM_SINGLE_DECL(wm8991_right_digital_sidetone_enum,
 155                            WM8991_DIGITAL_SIDE_TONE,
 156                            WM8991_ADC_TO_DACR_SHIFT,
 157                            wm8991_digital_sidetone);
 158
 159static const char *wm8991_adcmode[] =
 160{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
 161
 162static SOC_ENUM_SINGLE_DECL(wm8991_right_adcmode_enum,
 163                            WM8991_ADC_CTRL,
 164                            WM8991_ADC_HPF_CUT_SHIFT,
 165                            wm8991_adcmode);
 166
 167static const struct snd_kcontrol_new wm8991_snd_controls[] = {
 168        /* INMIXL */
 169        SOC_SINGLE("LIN12 PGA Boost", WM8991_INPUT_MIXER3, WM8991_L12MNBST_BIT, 1, 0),
 170        SOC_SINGLE("LIN34 PGA Boost", WM8991_INPUT_MIXER3, WM8991_L34MNBST_BIT, 1, 0),
 171        /* INMIXR */
 172        SOC_SINGLE("RIN12 PGA Boost", WM8991_INPUT_MIXER3, WM8991_R12MNBST_BIT, 1, 0),
 173        SOC_SINGLE("RIN34 PGA Boost", WM8991_INPUT_MIXER3, WM8991_R34MNBST_BIT, 1, 0),
 174
 175        /* LOMIX */
 176        SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8991_OUTPUT_MIXER3,
 177                WM8991_LLI3LOVOL_SHIFT, WM8991_LLI3LOVOL_MASK, 1, out_mix_tlv),
 178        SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER3,
 179                WM8991_LR12LOVOL_SHIFT, WM8991_LR12LOVOL_MASK, 1, out_mix_tlv),
 180        SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER3,
 181                WM8991_LL12LOVOL_SHIFT, WM8991_LL12LOVOL_MASK, 1, out_mix_tlv),
 182        SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8991_OUTPUT_MIXER5,
 183                WM8991_LRI3LOVOL_SHIFT, WM8991_LRI3LOVOL_MASK, 1, out_mix_tlv),
 184        SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8991_OUTPUT_MIXER5,
 185                WM8991_LRBLOVOL_SHIFT, WM8991_LRBLOVOL_MASK, 1, out_mix_tlv),
 186        SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8991_OUTPUT_MIXER5,
 187                WM8991_LRBLOVOL_SHIFT, WM8991_LRBLOVOL_MASK, 1, out_mix_tlv),
 188
 189        /* ROMIX */
 190        SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8991_OUTPUT_MIXER4,
 191                WM8991_RRI3ROVOL_SHIFT, WM8991_RRI3ROVOL_MASK, 1, out_mix_tlv),
 192        SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER4,
 193                WM8991_RL12ROVOL_SHIFT, WM8991_RL12ROVOL_MASK, 1, out_mix_tlv),
 194        SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER4,
 195                WM8991_RR12ROVOL_SHIFT, WM8991_RR12ROVOL_MASK, 1, out_mix_tlv),
 196        SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8991_OUTPUT_MIXER6,
 197                WM8991_RLI3ROVOL_SHIFT, WM8991_RLI3ROVOL_MASK, 1, out_mix_tlv),
 198        SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8991_OUTPUT_MIXER6,
 199                WM8991_RLBROVOL_SHIFT, WM8991_RLBROVOL_MASK, 1, out_mix_tlv),
 200        SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8991_OUTPUT_MIXER6,
 201                WM8991_RRBROVOL_SHIFT, WM8991_RRBROVOL_MASK, 1, out_mix_tlv),
 202
 203        /* LOUT */
 204        SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8991_LEFT_OUTPUT_VOLUME,
 205                WM8991_LOUTVOL_SHIFT, WM8991_LOUTVOL_MASK, 0, out_pga_tlv),
 206        SOC_SINGLE("LOUT ZC", WM8991_LEFT_OUTPUT_VOLUME, WM8991_LOZC_BIT, 1, 0),
 207
 208        /* ROUT */
 209        SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8991_RIGHT_OUTPUT_VOLUME,
 210                WM8991_ROUTVOL_SHIFT, WM8991_ROUTVOL_MASK, 0, out_pga_tlv),
 211        SOC_SINGLE("ROUT ZC", WM8991_RIGHT_OUTPUT_VOLUME, WM8991_ROZC_BIT, 1, 0),
 212
 213        /* LOPGA */
 214        SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8991_LEFT_OPGA_VOLUME,
 215                WM8991_LOPGAVOL_SHIFT, WM8991_LOPGAVOL_MASK, 0, out_pga_tlv),
 216        SOC_SINGLE("LOPGA ZC Switch", WM8991_LEFT_OPGA_VOLUME,
 217                WM8991_LOPGAZC_BIT, 1, 0),
 218
 219        /* ROPGA */
 220        SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8991_RIGHT_OPGA_VOLUME,
 221                WM8991_ROPGAVOL_SHIFT, WM8991_ROPGAVOL_MASK, 0, out_pga_tlv),
 222        SOC_SINGLE("ROPGA ZC Switch", WM8991_RIGHT_OPGA_VOLUME,
 223                WM8991_ROPGAZC_BIT, 1, 0),
 224
 225        SOC_SINGLE("LON Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
 226                WM8991_LONMUTE_BIT, 1, 0),
 227        SOC_SINGLE("LOP Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
 228                WM8991_LOPMUTE_BIT, 1, 0),
 229        SOC_SINGLE("LOP Attenuation Switch", WM8991_LINE_OUTPUTS_VOLUME,
 230                WM8991_LOATTN_BIT, 1, 0),
 231        SOC_SINGLE("RON Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
 232                WM8991_RONMUTE_BIT, 1, 0),
 233        SOC_SINGLE("ROP Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
 234                WM8991_ROPMUTE_BIT, 1, 0),
 235        SOC_SINGLE("ROP Attenuation Switch", WM8991_LINE_OUTPUTS_VOLUME,
 236                WM8991_ROATTN_BIT, 1, 0),
 237
 238        SOC_SINGLE("OUT3 Mute Switch", WM8991_OUT3_4_VOLUME,
 239                WM8991_OUT3MUTE_BIT, 1, 0),
 240        SOC_SINGLE("OUT3 Attenuation Switch", WM8991_OUT3_4_VOLUME,
 241                WM8991_OUT3ATTN_BIT, 1, 0),
 242
 243        SOC_SINGLE("OUT4 Mute Switch", WM8991_OUT3_4_VOLUME,
 244                WM8991_OUT4MUTE_BIT, 1, 0),
 245        SOC_SINGLE("OUT4 Attenuation Switch", WM8991_OUT3_4_VOLUME,
 246                WM8991_OUT4ATTN_BIT, 1, 0),
 247
 248        SOC_SINGLE("Speaker Mode Switch", WM8991_CLASSD1,
 249                WM8991_CDMODE_BIT, 1, 0),
 250
 251        SOC_SINGLE("Speaker Output Attenuation Volume", WM8991_SPEAKER_VOLUME,
 252                WM8991_SPKVOL_SHIFT, WM8991_SPKVOL_MASK, 0),
 253        SOC_SINGLE("Speaker DC Boost Volume", WM8991_CLASSD3,
 254                WM8991_DCGAIN_SHIFT, WM8991_DCGAIN_MASK, 0),
 255        SOC_SINGLE("Speaker AC Boost Volume", WM8991_CLASSD3,
 256                WM8991_ACGAIN_SHIFT, WM8991_ACGAIN_MASK, 0),
 257
 258        SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
 259                WM8991_LEFT_DAC_DIGITAL_VOLUME,
 260                WM8991_DACL_VOL_SHIFT,
 261                WM8991_DACL_VOL_MASK,
 262                0,
 263                out_dac_tlv),
 264
 265        SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
 266                WM8991_RIGHT_DAC_DIGITAL_VOLUME,
 267                WM8991_DACR_VOL_SHIFT,
 268                WM8991_DACR_VOL_MASK,
 269                0,
 270                out_dac_tlv),
 271
 272        SOC_ENUM("Left Digital Sidetone", wm8991_left_digital_sidetone_enum),
 273        SOC_ENUM("Right Digital Sidetone", wm8991_right_digital_sidetone_enum),
 274
 275        SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8991_DIGITAL_SIDE_TONE,
 276                WM8991_ADCL_DAC_SVOL_SHIFT, WM8991_ADCL_DAC_SVOL_MASK, 0,
 277                out_sidetone_tlv),
 278        SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8991_DIGITAL_SIDE_TONE,
 279                WM8991_ADCR_DAC_SVOL_SHIFT, WM8991_ADCR_DAC_SVOL_MASK, 0,
 280                out_sidetone_tlv),
 281
 282        SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8991_ADC_CTRL,
 283                WM8991_ADC_HPF_ENA_BIT, 1, 0),
 284
 285        SOC_ENUM("ADC HPF Mode", wm8991_right_adcmode_enum),
 286
 287        SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
 288                WM8991_LEFT_ADC_DIGITAL_VOLUME,
 289                WM8991_ADCL_VOL_SHIFT,
 290                WM8991_ADCL_VOL_MASK,
 291                0,
 292                in_adc_tlv),
 293
 294        SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
 295                WM8991_RIGHT_ADC_DIGITAL_VOLUME,
 296                WM8991_ADCR_VOL_SHIFT,
 297                WM8991_ADCR_VOL_MASK,
 298                0,
 299                in_adc_tlv),
 300
 301        SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
 302                WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
 303                WM8991_LIN12VOL_SHIFT,
 304                WM8991_LIN12VOL_MASK,
 305                0,
 306                in_pga_tlv),
 307
 308        SOC_SINGLE("LIN12 ZC Switch", WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
 309                WM8991_LI12ZC_BIT, 1, 0),
 310
 311        SOC_SINGLE("LIN12 Mute Switch", WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
 312                WM8991_LI12MUTE_BIT, 1, 0),
 313
 314        SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
 315                WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
 316                WM8991_LIN34VOL_SHIFT,
 317                WM8991_LIN34VOL_MASK,
 318                0,
 319                in_pga_tlv),
 320
 321        SOC_SINGLE("LIN34 ZC Switch", WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
 322                WM8991_LI34ZC_BIT, 1, 0),
 323
 324        SOC_SINGLE("LIN34 Mute Switch", WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
 325                WM8991_LI34MUTE_BIT, 1, 0),
 326
 327        SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
 328                WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
 329                WM8991_RIN12VOL_SHIFT,
 330                WM8991_RIN12VOL_MASK,
 331                0,
 332                in_pga_tlv),
 333
 334        SOC_SINGLE("RIN12 ZC Switch", WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
 335                WM8991_RI12ZC_BIT, 1, 0),
 336
 337        SOC_SINGLE("RIN12 Mute Switch", WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
 338                WM8991_RI12MUTE_BIT, 1, 0),
 339
 340        SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
 341                WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
 342                WM8991_RIN34VOL_SHIFT,
 343                WM8991_RIN34VOL_MASK,
 344                0,
 345                in_pga_tlv),
 346
 347        SOC_SINGLE("RIN34 ZC Switch", WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
 348                WM8991_RI34ZC_BIT, 1, 0),
 349
 350        SOC_SINGLE("RIN34 Mute Switch", WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
 351                WM8991_RI34MUTE_BIT, 1, 0),
 352};
 353
 354/*
 355 * _DAPM_ Controls
 356 */
 357static int outmixer_event(struct snd_soc_dapm_widget *w,
 358                          struct snd_kcontrol *kcontrol, int event)
 359{
 360        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 361        u32 reg_shift = kcontrol->private_value & 0xfff;
 362        int ret = 0;
 363        u16 reg;
 364
 365        switch (reg_shift) {
 366        case WM8991_SPEAKER_MIXER | (WM8991_LDSPK_BIT << 8):
 367                reg = snd_soc_component_read32(component, WM8991_OUTPUT_MIXER1);
 368                if (reg & WM8991_LDLO) {
 369                        printk(KERN_WARNING
 370                               "Cannot set as Output Mixer 1 LDLO Set\n");
 371                        ret = -1;
 372                }
 373                break;
 374
 375        case WM8991_SPEAKER_MIXER | (WM8991_RDSPK_BIT << 8):
 376                reg = snd_soc_component_read32(component, WM8991_OUTPUT_MIXER2);
 377                if (reg & WM8991_RDRO) {
 378                        printk(KERN_WARNING
 379                               "Cannot set as Output Mixer 2 RDRO Set\n");
 380                        ret = -1;
 381                }
 382                break;
 383
 384        case WM8991_OUTPUT_MIXER1 | (WM8991_LDLO_BIT << 8):
 385                reg = snd_soc_component_read32(component, WM8991_SPEAKER_MIXER);
 386                if (reg & WM8991_LDSPK) {
 387                        printk(KERN_WARNING
 388                               "Cannot set as Speaker Mixer LDSPK Set\n");
 389                        ret = -1;
 390                }
 391                break;
 392
 393        case WM8991_OUTPUT_MIXER2 | (WM8991_RDRO_BIT << 8):
 394                reg = snd_soc_component_read32(component, WM8991_SPEAKER_MIXER);
 395                if (reg & WM8991_RDSPK) {
 396                        printk(KERN_WARNING
 397                               "Cannot set as Speaker Mixer RDSPK Set\n");
 398                        ret = -1;
 399                }
 400                break;
 401        }
 402
 403        return ret;
 404}
 405
 406/* INMIX dB values */
 407static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(in_mix_tlv, -1200, 300, 1);
 408
 409/* Left In PGA Connections */
 410static const struct snd_kcontrol_new wm8991_dapm_lin12_pga_controls[] = {
 411        SOC_DAPM_SINGLE("LIN1 Switch", WM8991_INPUT_MIXER2, WM8991_LMN1_BIT, 1, 0),
 412        SOC_DAPM_SINGLE("LIN2 Switch", WM8991_INPUT_MIXER2, WM8991_LMP2_BIT, 1, 0),
 413};
 414
 415static const struct snd_kcontrol_new wm8991_dapm_lin34_pga_controls[] = {
 416        SOC_DAPM_SINGLE("LIN3 Switch", WM8991_INPUT_MIXER2, WM8991_LMN3_BIT, 1, 0),
 417        SOC_DAPM_SINGLE("LIN4 Switch", WM8991_INPUT_MIXER2, WM8991_LMP4_BIT, 1, 0),
 418};
 419
 420/* Right In PGA Connections */
 421static const struct snd_kcontrol_new wm8991_dapm_rin12_pga_controls[] = {
 422        SOC_DAPM_SINGLE("RIN1 Switch", WM8991_INPUT_MIXER2, WM8991_RMN1_BIT, 1, 0),
 423        SOC_DAPM_SINGLE("RIN2 Switch", WM8991_INPUT_MIXER2, WM8991_RMP2_BIT, 1, 0),
 424};
 425
 426static const struct snd_kcontrol_new wm8991_dapm_rin34_pga_controls[] = {
 427        SOC_DAPM_SINGLE("RIN3 Switch", WM8991_INPUT_MIXER2, WM8991_RMN3_BIT, 1, 0),
 428        SOC_DAPM_SINGLE("RIN4 Switch", WM8991_INPUT_MIXER2, WM8991_RMP4_BIT, 1, 0),
 429};
 430
 431/* INMIXL */
 432static const struct snd_kcontrol_new wm8991_dapm_inmixl_controls[] = {
 433        SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8991_INPUT_MIXER3,
 434                WM8991_LDBVOL_SHIFT, WM8991_LDBVOL_MASK, 0, in_mix_tlv),
 435        SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8991_INPUT_MIXER5, WM8991_LI2BVOL_SHIFT,
 436                7, 0, in_mix_tlv),
 437        SOC_DAPM_SINGLE("LINPGA12 Switch", WM8991_INPUT_MIXER3, WM8991_L12MNB_BIT,
 438                1, 0),
 439        SOC_DAPM_SINGLE("LINPGA34 Switch", WM8991_INPUT_MIXER3, WM8991_L34MNB_BIT,
 440                1, 0),
 441};
 442
 443/* INMIXR */
 444static const struct snd_kcontrol_new wm8991_dapm_inmixr_controls[] = {
 445        SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8991_INPUT_MIXER4,
 446                WM8991_RDBVOL_SHIFT, WM8991_RDBVOL_MASK, 0, in_mix_tlv),
 447        SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8991_INPUT_MIXER6, WM8991_RI2BVOL_SHIFT,
 448                7, 0, in_mix_tlv),
 449        SOC_DAPM_SINGLE("RINPGA12 Switch", WM8991_INPUT_MIXER3, WM8991_L12MNB_BIT,
 450                1, 0),
 451        SOC_DAPM_SINGLE("RINPGA34 Switch", WM8991_INPUT_MIXER3, WM8991_L34MNB_BIT,
 452                1, 0),
 453};
 454
 455/* AINLMUX */
 456static const char *wm8991_ainlmux[] =
 457{"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
 458
 459static SOC_ENUM_SINGLE_DECL(wm8991_ainlmux_enum,
 460                            WM8991_INPUT_MIXER1, WM8991_AINLMODE_SHIFT,
 461                            wm8991_ainlmux);
 462
 463static const struct snd_kcontrol_new wm8991_dapm_ainlmux_controls =
 464        SOC_DAPM_ENUM("Route", wm8991_ainlmux_enum);
 465
 466/* DIFFINL */
 467
 468/* AINRMUX */
 469static const char *wm8991_ainrmux[] =
 470{"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
 471
 472static SOC_ENUM_SINGLE_DECL(wm8991_ainrmux_enum,
 473                            WM8991_INPUT_MIXER1, WM8991_AINRMODE_SHIFT,
 474                            wm8991_ainrmux);
 475
 476static const struct snd_kcontrol_new wm8991_dapm_ainrmux_controls =
 477        SOC_DAPM_ENUM("Route", wm8991_ainrmux_enum);
 478
 479/* RXVOICE */
 480static const struct snd_kcontrol_new wm8991_dapm_rxvoice_controls[] = {
 481        SOC_DAPM_SINGLE_TLV("LIN4RXN", WM8991_INPUT_MIXER5, WM8991_LR4BVOL_SHIFT,
 482                WM8991_LR4BVOL_MASK, 0, in_mix_tlv),
 483        SOC_DAPM_SINGLE_TLV("RIN4RXP", WM8991_INPUT_MIXER6, WM8991_RL4BVOL_SHIFT,
 484                WM8991_RL4BVOL_MASK, 0, in_mix_tlv),
 485};
 486
 487/* LOMIX */
 488static const struct snd_kcontrol_new wm8991_dapm_lomix_controls[] = {
 489        SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8991_OUTPUT_MIXER1,
 490                WM8991_LRBLO_BIT, 1, 0),
 491        SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8991_OUTPUT_MIXER1,
 492                WM8991_LLBLO_BIT, 1, 0),
 493        SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8991_OUTPUT_MIXER1,
 494                WM8991_LRI3LO_BIT, 1, 0),
 495        SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8991_OUTPUT_MIXER1,
 496                WM8991_LLI3LO_BIT, 1, 0),
 497        SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER1,
 498                WM8991_LR12LO_BIT, 1, 0),
 499        SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER1,
 500                WM8991_LL12LO_BIT, 1, 0),
 501        SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8991_OUTPUT_MIXER1,
 502                WM8991_LDLO_BIT, 1, 0),
 503};
 504
 505/* ROMIX */
 506static const struct snd_kcontrol_new wm8991_dapm_romix_controls[] = {
 507        SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8991_OUTPUT_MIXER2,
 508                WM8991_RLBRO_BIT, 1, 0),
 509        SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8991_OUTPUT_MIXER2,
 510                WM8991_RRBRO_BIT, 1, 0),
 511        SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8991_OUTPUT_MIXER2,
 512                WM8991_RLI3RO_BIT, 1, 0),
 513        SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8991_OUTPUT_MIXER2,
 514                WM8991_RRI3RO_BIT, 1, 0),
 515        SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER2,
 516                WM8991_RL12RO_BIT, 1, 0),
 517        SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER2,
 518                WM8991_RR12RO_BIT, 1, 0),
 519        SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8991_OUTPUT_MIXER2,
 520                WM8991_RDRO_BIT, 1, 0),
 521};
 522
 523/* LONMIX */
 524static const struct snd_kcontrol_new wm8991_dapm_lonmix_controls[] = {
 525        SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8991_LINE_MIXER1,
 526                WM8991_LLOPGALON_BIT, 1, 0),
 527        SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8991_LINE_MIXER1,
 528                WM8991_LROPGALON_BIT, 1, 0),
 529        SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8991_LINE_MIXER1,
 530                WM8991_LOPLON_BIT, 1, 0),
 531};
 532
 533/* LOPMIX */
 534static const struct snd_kcontrol_new wm8991_dapm_lopmix_controls[] = {
 535        SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8991_LINE_MIXER1,
 536                WM8991_LR12LOP_BIT, 1, 0),
 537        SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8991_LINE_MIXER1,
 538                WM8991_LL12LOP_BIT, 1, 0),
 539        SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8991_LINE_MIXER1,
 540                WM8991_LLOPGALOP_BIT, 1, 0),
 541};
 542
 543/* RONMIX */
 544static const struct snd_kcontrol_new wm8991_dapm_ronmix_controls[] = {
 545        SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8991_LINE_MIXER2,
 546                WM8991_RROPGARON_BIT, 1, 0),
 547        SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8991_LINE_MIXER2,
 548                WM8991_RLOPGARON_BIT, 1, 0),
 549        SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8991_LINE_MIXER2,
 550                WM8991_ROPRON_BIT, 1, 0),
 551};
 552
 553/* ROPMIX */
 554static const struct snd_kcontrol_new wm8991_dapm_ropmix_controls[] = {
 555        SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8991_LINE_MIXER2,
 556                WM8991_RL12ROP_BIT, 1, 0),
 557        SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8991_LINE_MIXER2,
 558                WM8991_RR12ROP_BIT, 1, 0),
 559        SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8991_LINE_MIXER2,
 560                WM8991_RROPGAROP_BIT, 1, 0),
 561};
 562
 563/* OUT3MIX */
 564static const struct snd_kcontrol_new wm8991_dapm_out3mix_controls[] = {
 565        SOC_DAPM_SINGLE("OUT3MIX LIN4RXN Bypass Switch", WM8991_OUT3_4_MIXER,
 566                WM8991_LI4O3_BIT, 1, 0),
 567        SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8991_OUT3_4_MIXER,
 568                WM8991_LPGAO3_BIT, 1, 0),
 569};
 570
 571/* OUT4MIX */
 572static const struct snd_kcontrol_new wm8991_dapm_out4mix_controls[] = {
 573        SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8991_OUT3_4_MIXER,
 574                WM8991_RPGAO4_BIT, 1, 0),
 575        SOC_DAPM_SINGLE("OUT4MIX RIN4RXP Bypass Switch", WM8991_OUT3_4_MIXER,
 576                WM8991_RI4O4_BIT, 1, 0),
 577};
 578
 579/* SPKMIX */
 580static const struct snd_kcontrol_new wm8991_dapm_spkmix_controls[] = {
 581        SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8991_SPEAKER_MIXER,
 582                WM8991_LI2SPK_BIT, 1, 0),
 583        SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8991_SPEAKER_MIXER,
 584                WM8991_LB2SPK_BIT, 1, 0),
 585        SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8991_SPEAKER_MIXER,
 586                WM8991_LOPGASPK_BIT, 1, 0),
 587        SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8991_SPEAKER_MIXER,
 588                WM8991_LDSPK_BIT, 1, 0),
 589        SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8991_SPEAKER_MIXER,
 590                WM8991_RDSPK_BIT, 1, 0),
 591        SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8991_SPEAKER_MIXER,
 592                WM8991_ROPGASPK_BIT, 1, 0),
 593        SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8991_SPEAKER_MIXER,
 594                WM8991_RL12ROP_BIT, 1, 0),
 595        SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8991_SPEAKER_MIXER,
 596                WM8991_RI2SPK_BIT, 1, 0),
 597};
 598
 599static const struct snd_soc_dapm_widget wm8991_dapm_widgets[] = {
 600        /* Input Side */
 601        /* Input Lines */
 602        SND_SOC_DAPM_INPUT("LIN1"),
 603        SND_SOC_DAPM_INPUT("LIN2"),
 604        SND_SOC_DAPM_INPUT("LIN3"),
 605        SND_SOC_DAPM_INPUT("LIN4RXN"),
 606        SND_SOC_DAPM_INPUT("RIN3"),
 607        SND_SOC_DAPM_INPUT("RIN4RXP"),
 608        SND_SOC_DAPM_INPUT("RIN1"),
 609        SND_SOC_DAPM_INPUT("RIN2"),
 610        SND_SOC_DAPM_INPUT("Internal ADC Source"),
 611
 612        SND_SOC_DAPM_SUPPLY("INL", WM8991_POWER_MANAGEMENT_2,
 613                            WM8991_AINL_ENA_BIT, 0, NULL, 0),
 614        SND_SOC_DAPM_SUPPLY("INR", WM8991_POWER_MANAGEMENT_2,
 615                            WM8991_AINR_ENA_BIT, 0, NULL, 0),
 616
 617        /* DACs */
 618        SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8991_POWER_MANAGEMENT_2,
 619                WM8991_ADCL_ENA_BIT, 0),
 620        SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8991_POWER_MANAGEMENT_2,
 621                WM8991_ADCR_ENA_BIT, 0),
 622
 623        /* Input PGAs */
 624        SND_SOC_DAPM_MIXER("LIN12 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_LIN12_ENA_BIT,
 625                0, &wm8991_dapm_lin12_pga_controls[0],
 626                ARRAY_SIZE(wm8991_dapm_lin12_pga_controls)),
 627        SND_SOC_DAPM_MIXER("LIN34 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_LIN34_ENA_BIT,
 628                0, &wm8991_dapm_lin34_pga_controls[0],
 629                ARRAY_SIZE(wm8991_dapm_lin34_pga_controls)),
 630        SND_SOC_DAPM_MIXER("RIN12 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_RIN12_ENA_BIT,
 631                0, &wm8991_dapm_rin12_pga_controls[0],
 632                ARRAY_SIZE(wm8991_dapm_rin12_pga_controls)),
 633        SND_SOC_DAPM_MIXER("RIN34 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_RIN34_ENA_BIT,
 634                0, &wm8991_dapm_rin34_pga_controls[0],
 635                ARRAY_SIZE(wm8991_dapm_rin34_pga_controls)),
 636
 637        /* INMIXL */
 638        SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0,
 639                &wm8991_dapm_inmixl_controls[0],
 640                ARRAY_SIZE(wm8991_dapm_inmixl_controls)),
 641
 642        /* AINLMUX */
 643        SND_SOC_DAPM_MUX("AINLMUX", SND_SOC_NOPM, 0, 0,
 644                &wm8991_dapm_ainlmux_controls),
 645
 646        /* INMIXR */
 647        SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0,
 648                &wm8991_dapm_inmixr_controls[0],
 649                ARRAY_SIZE(wm8991_dapm_inmixr_controls)),
 650
 651        /* AINRMUX */
 652        SND_SOC_DAPM_MUX("AINRMUX", SND_SOC_NOPM, 0, 0,
 653                &wm8991_dapm_ainrmux_controls),
 654
 655        /* Output Side */
 656        /* DACs */
 657        SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8991_POWER_MANAGEMENT_3,
 658                WM8991_DACL_ENA_BIT, 0),
 659        SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8991_POWER_MANAGEMENT_3,
 660                WM8991_DACR_ENA_BIT, 0),
 661
 662        /* LOMIX */
 663        SND_SOC_DAPM_MIXER_E("LOMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LOMIX_ENA_BIT,
 664                0, &wm8991_dapm_lomix_controls[0],
 665                ARRAY_SIZE(wm8991_dapm_lomix_controls),
 666                outmixer_event, SND_SOC_DAPM_PRE_REG),
 667
 668        /* LONMIX */
 669        SND_SOC_DAPM_MIXER("LONMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LON_ENA_BIT, 0,
 670                &wm8991_dapm_lonmix_controls[0],
 671                ARRAY_SIZE(wm8991_dapm_lonmix_controls)),
 672
 673        /* LOPMIX */
 674        SND_SOC_DAPM_MIXER("LOPMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LOP_ENA_BIT, 0,
 675                &wm8991_dapm_lopmix_controls[0],
 676                ARRAY_SIZE(wm8991_dapm_lopmix_controls)),
 677
 678        /* OUT3MIX */
 679        SND_SOC_DAPM_MIXER("OUT3MIX", WM8991_POWER_MANAGEMENT_1, WM8991_OUT3_ENA_BIT, 0,
 680                &wm8991_dapm_out3mix_controls[0],
 681                ARRAY_SIZE(wm8991_dapm_out3mix_controls)),
 682
 683        /* SPKMIX */
 684        SND_SOC_DAPM_MIXER_E("SPKMIX", WM8991_POWER_MANAGEMENT_1, WM8991_SPK_ENA_BIT, 0,
 685                &wm8991_dapm_spkmix_controls[0],
 686                ARRAY_SIZE(wm8991_dapm_spkmix_controls), outmixer_event,
 687                SND_SOC_DAPM_PRE_REG),
 688
 689        /* OUT4MIX */
 690        SND_SOC_DAPM_MIXER("OUT4MIX", WM8991_POWER_MANAGEMENT_1, WM8991_OUT4_ENA_BIT, 0,
 691                &wm8991_dapm_out4mix_controls[0],
 692                ARRAY_SIZE(wm8991_dapm_out4mix_controls)),
 693
 694        /* ROPMIX */
 695        SND_SOC_DAPM_MIXER("ROPMIX", WM8991_POWER_MANAGEMENT_3, WM8991_ROP_ENA_BIT, 0,
 696                &wm8991_dapm_ropmix_controls[0],
 697                ARRAY_SIZE(wm8991_dapm_ropmix_controls)),
 698
 699        /* RONMIX */
 700        SND_SOC_DAPM_MIXER("RONMIX", WM8991_POWER_MANAGEMENT_3, WM8991_RON_ENA_BIT, 0,
 701                &wm8991_dapm_ronmix_controls[0],
 702                ARRAY_SIZE(wm8991_dapm_ronmix_controls)),
 703
 704        /* ROMIX */
 705        SND_SOC_DAPM_MIXER_E("ROMIX", WM8991_POWER_MANAGEMENT_3, WM8991_ROMIX_ENA_BIT,
 706                0, &wm8991_dapm_romix_controls[0],
 707                ARRAY_SIZE(wm8991_dapm_romix_controls),
 708                outmixer_event, SND_SOC_DAPM_PRE_REG),
 709
 710        /* LOUT PGA */
 711        SND_SOC_DAPM_PGA("LOUT PGA", WM8991_POWER_MANAGEMENT_1, WM8991_LOUT_ENA_BIT, 0,
 712                NULL, 0),
 713
 714        /* ROUT PGA */
 715        SND_SOC_DAPM_PGA("ROUT PGA", WM8991_POWER_MANAGEMENT_1, WM8991_ROUT_ENA_BIT, 0,
 716                NULL, 0),
 717
 718        /* LOPGA */
 719        SND_SOC_DAPM_PGA("LOPGA", WM8991_POWER_MANAGEMENT_3, WM8991_LOPGA_ENA_BIT, 0,
 720                NULL, 0),
 721
 722        /* ROPGA */
 723        SND_SOC_DAPM_PGA("ROPGA", WM8991_POWER_MANAGEMENT_3, WM8991_ROPGA_ENA_BIT, 0,
 724                NULL, 0),
 725
 726        /* MICBIAS */
 727        SND_SOC_DAPM_SUPPLY("MICBIAS", WM8991_POWER_MANAGEMENT_1,
 728                            WM8991_MICBIAS_ENA_BIT, 0, NULL, 0),
 729
 730        SND_SOC_DAPM_OUTPUT("LON"),
 731        SND_SOC_DAPM_OUTPUT("LOP"),
 732        SND_SOC_DAPM_OUTPUT("OUT3"),
 733        SND_SOC_DAPM_OUTPUT("LOUT"),
 734        SND_SOC_DAPM_OUTPUT("SPKN"),
 735        SND_SOC_DAPM_OUTPUT("SPKP"),
 736        SND_SOC_DAPM_OUTPUT("ROUT"),
 737        SND_SOC_DAPM_OUTPUT("OUT4"),
 738        SND_SOC_DAPM_OUTPUT("ROP"),
 739        SND_SOC_DAPM_OUTPUT("RON"),
 740        SND_SOC_DAPM_OUTPUT("OUT"),
 741
 742        SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
 743};
 744
 745static const struct snd_soc_dapm_route wm8991_dapm_routes[] = {
 746        /* Make DACs turn on when playing even if not mixed into any outputs */
 747        {"Internal DAC Sink", NULL, "Left DAC"},
 748        {"Internal DAC Sink", NULL, "Right DAC"},
 749
 750        /* Make ADCs turn on when recording even if not mixed from any inputs */
 751        {"Left ADC", NULL, "Internal ADC Source"},
 752        {"Right ADC", NULL, "Internal ADC Source"},
 753
 754        /* Input Side */
 755        {"INMIXL", NULL, "INL"},
 756        {"AINLMUX", NULL, "INL"},
 757        {"INMIXR", NULL, "INR"},
 758        {"AINRMUX", NULL, "INR"},
 759        /* LIN12 PGA */
 760        {"LIN12 PGA", "LIN1 Switch", "LIN1"},
 761        {"LIN12 PGA", "LIN2 Switch", "LIN2"},
 762        /* LIN34 PGA */
 763        {"LIN34 PGA", "LIN3 Switch", "LIN3"},
 764        {"LIN34 PGA", "LIN4 Switch", "LIN4RXN"},
 765        /* INMIXL */
 766        {"INMIXL", "Record Left Volume", "LOMIX"},
 767        {"INMIXL", "LIN2 Volume", "LIN2"},
 768        {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
 769        {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
 770        /* AINLMUX */
 771        {"AINLMUX", "INMIXL Mix", "INMIXL"},
 772        {"AINLMUX", "DIFFINL Mix", "LIN12 PGA"},
 773        {"AINLMUX", "DIFFINL Mix", "LIN34 PGA"},
 774        {"AINLMUX", "RXVOICE Mix", "LIN4RXN"},
 775        {"AINLMUX", "RXVOICE Mix", "RIN4RXP"},
 776        /* ADC */
 777        {"Left ADC", NULL, "AINLMUX"},
 778
 779        /* RIN12 PGA */
 780        {"RIN12 PGA", "RIN1 Switch", "RIN1"},
 781        {"RIN12 PGA", "RIN2 Switch", "RIN2"},
 782        /* RIN34 PGA */
 783        {"RIN34 PGA", "RIN3 Switch", "RIN3"},
 784        {"RIN34 PGA", "RIN4 Switch", "RIN4RXP"},
 785        /* INMIXL */
 786        {"INMIXR", "Record Right Volume", "ROMIX"},
 787        {"INMIXR", "RIN2 Volume", "RIN2"},
 788        {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
 789        {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
 790        /* AINRMUX */
 791        {"AINRMUX", "INMIXR Mix", "INMIXR"},
 792        {"AINRMUX", "DIFFINR Mix", "RIN12 PGA"},
 793        {"AINRMUX", "DIFFINR Mix", "RIN34 PGA"},
 794        {"AINRMUX", "RXVOICE Mix", "LIN4RXN"},
 795        {"AINRMUX", "RXVOICE Mix", "RIN4RXP"},
 796        /* ADC */
 797        {"Right ADC", NULL, "AINRMUX"},
 798
 799        /* LOMIX */
 800        {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
 801        {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
 802        {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 803        {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 804        {"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
 805        {"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
 806        {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
 807
 808        /* ROMIX */
 809        {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
 810        {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
 811        {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 812        {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 813        {"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
 814        {"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
 815        {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
 816
 817        /* SPKMIX */
 818        {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
 819        {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
 820        {"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
 821        {"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
 822        {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
 823        {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
 824        {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
 825        {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
 826
 827        /* LONMIX */
 828        {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
 829        {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
 830        {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
 831
 832        /* LOPMIX */
 833        {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 834        {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 835        {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
 836
 837        /* OUT3MIX */
 838        {"OUT3MIX", "OUT3MIX LIN4RXN Bypass Switch", "LIN4RXN"},
 839        {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
 840
 841        /* OUT4MIX */
 842        {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
 843        {"OUT4MIX", "OUT4MIX RIN4RXP Bypass Switch", "RIN4RXP"},
 844
 845        /* RONMIX */
 846        {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
 847        {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
 848        {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
 849
 850        /* ROPMIX */
 851        {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 852        {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 853        {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
 854
 855        /* Out Mixer PGAs */
 856        {"LOPGA", NULL, "LOMIX"},
 857        {"ROPGA", NULL, "ROMIX"},
 858
 859        {"LOUT PGA", NULL, "LOMIX"},
 860        {"ROUT PGA", NULL, "ROMIX"},
 861
 862        /* Output Pins */
 863        {"LON", NULL, "LONMIX"},
 864        {"LOP", NULL, "LOPMIX"},
 865        {"OUT", NULL, "OUT3MIX"},
 866        {"LOUT", NULL, "LOUT PGA"},
 867        {"SPKN", NULL, "SPKMIX"},
 868        {"ROUT", NULL, "ROUT PGA"},
 869        {"OUT4", NULL, "OUT4MIX"},
 870        {"ROP", NULL, "ROPMIX"},
 871        {"RON", NULL, "RONMIX"},
 872};
 873
 874/* PLL divisors */
 875struct _pll_div {
 876        u32 div2;
 877        u32 n;
 878        u32 k;
 879};
 880
 881/* The size in bits of the pll divide multiplied by 10
 882 * to allow rounding later */
 883#define FIXED_PLL_SIZE ((1 << 16) * 10)
 884
 885static void pll_factors(struct _pll_div *pll_div, unsigned int target,
 886                        unsigned int source)
 887{
 888        u64 Kpart;
 889        unsigned int K, Ndiv, Nmod;
 890
 891
 892        Ndiv = target / source;
 893        if (Ndiv < 6) {
 894                source >>= 1;
 895                pll_div->div2 = 1;
 896                Ndiv = target / source;
 897        } else
 898                pll_div->div2 = 0;
 899
 900        if ((Ndiv < 6) || (Ndiv > 12))
 901                printk(KERN_WARNING
 902                       "WM8991 N value outwith recommended range! N = %d\n", Ndiv);
 903
 904        pll_div->n = Ndiv;
 905        Nmod = target % source;
 906        Kpart = FIXED_PLL_SIZE * (long long)Nmod;
 907
 908        do_div(Kpart, source);
 909
 910        K = Kpart & 0xFFFFFFFF;
 911
 912        /* Check if we need to round */
 913        if ((K % 10) >= 5)
 914                K += 5;
 915
 916        /* Move down to proper range now rounding is done */
 917        K /= 10;
 918
 919        pll_div->k = K;
 920}
 921
 922static int wm8991_set_dai_pll(struct snd_soc_dai *codec_dai,
 923                              int pll_id, int src, unsigned int freq_in, unsigned int freq_out)
 924{
 925        u16 reg;
 926        struct snd_soc_component *component = codec_dai->component;
 927        struct _pll_div pll_div;
 928
 929        if (freq_in && freq_out) {
 930                pll_factors(&pll_div, freq_out * 4, freq_in);
 931
 932                /* Turn on PLL */
 933                reg = snd_soc_component_read32(component, WM8991_POWER_MANAGEMENT_2);
 934                reg |= WM8991_PLL_ENA;
 935                snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_2, reg);
 936
 937                /* sysclk comes from PLL */
 938                reg = snd_soc_component_read32(component, WM8991_CLOCKING_2);
 939                snd_soc_component_write(component, WM8991_CLOCKING_2, reg | WM8991_SYSCLK_SRC);
 940
 941                /* set up N , fractional mode and pre-divisor if necessary */
 942                snd_soc_component_write(component, WM8991_PLL1, pll_div.n | WM8991_SDM |
 943                              (pll_div.div2 ? WM8991_PRESCALE : 0));
 944                snd_soc_component_write(component, WM8991_PLL2, (u8)(pll_div.k>>8));
 945                snd_soc_component_write(component, WM8991_PLL3, (u8)(pll_div.k & 0xFF));
 946        } else {
 947                /* Turn on PLL */
 948                reg = snd_soc_component_read32(component, WM8991_POWER_MANAGEMENT_2);
 949                reg &= ~WM8991_PLL_ENA;
 950                snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_2, reg);
 951        }
 952        return 0;
 953}
 954
 955/*
 956 * Set's ADC and Voice DAC format.
 957 */
 958static int wm8991_set_dai_fmt(struct snd_soc_dai *codec_dai,
 959                              unsigned int fmt)
 960{
 961        struct snd_soc_component *component = codec_dai->component;
 962        u16 audio1, audio3;
 963
 964        audio1 = snd_soc_component_read32(component, WM8991_AUDIO_INTERFACE_1);
 965        audio3 = snd_soc_component_read32(component, WM8991_AUDIO_INTERFACE_3);
 966
 967        /* set master/slave audio interface */
 968        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 969        case SND_SOC_DAIFMT_CBS_CFS:
 970                audio3 &= ~WM8991_AIF_MSTR1;
 971                break;
 972        case SND_SOC_DAIFMT_CBM_CFM:
 973                audio3 |= WM8991_AIF_MSTR1;
 974                break;
 975        default:
 976                return -EINVAL;
 977        }
 978
 979        audio1 &= ~WM8991_AIF_FMT_MASK;
 980
 981        /* interface format */
 982        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 983        case SND_SOC_DAIFMT_I2S:
 984                audio1 |= WM8991_AIF_TMF_I2S;
 985                audio1 &= ~WM8991_AIF_LRCLK_INV;
 986                break;
 987        case SND_SOC_DAIFMT_RIGHT_J:
 988                audio1 |= WM8991_AIF_TMF_RIGHTJ;
 989                audio1 &= ~WM8991_AIF_LRCLK_INV;
 990                break;
 991        case SND_SOC_DAIFMT_LEFT_J:
 992                audio1 |= WM8991_AIF_TMF_LEFTJ;
 993                audio1 &= ~WM8991_AIF_LRCLK_INV;
 994                break;
 995        case SND_SOC_DAIFMT_DSP_A:
 996                audio1 |= WM8991_AIF_TMF_DSP;
 997                audio1 &= ~WM8991_AIF_LRCLK_INV;
 998                break;
 999        case SND_SOC_DAIFMT_DSP_B:
1000                audio1 |= WM8991_AIF_TMF_DSP | WM8991_AIF_LRCLK_INV;
1001                break;
1002        default:
1003                return -EINVAL;
1004        }
1005
1006        snd_soc_component_write(component, WM8991_AUDIO_INTERFACE_1, audio1);
1007        snd_soc_component_write(component, WM8991_AUDIO_INTERFACE_3, audio3);
1008        return 0;
1009}
1010
1011static int wm8991_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1012                                 int div_id, int div)
1013{
1014        struct snd_soc_component *component = codec_dai->component;
1015        u16 reg;
1016
1017        switch (div_id) {
1018        case WM8991_MCLK_DIV:
1019                reg = snd_soc_component_read32(component, WM8991_CLOCKING_2) &
1020                      ~WM8991_MCLK_DIV_MASK;
1021                snd_soc_component_write(component, WM8991_CLOCKING_2, reg | div);
1022                break;
1023        case WM8991_DACCLK_DIV:
1024                reg = snd_soc_component_read32(component, WM8991_CLOCKING_2) &
1025                      ~WM8991_DAC_CLKDIV_MASK;
1026                snd_soc_component_write(component, WM8991_CLOCKING_2, reg | div);
1027                break;
1028        case WM8991_ADCCLK_DIV:
1029                reg = snd_soc_component_read32(component, WM8991_CLOCKING_2) &
1030                      ~WM8991_ADC_CLKDIV_MASK;
1031                snd_soc_component_write(component, WM8991_CLOCKING_2, reg | div);
1032                break;
1033        case WM8991_BCLK_DIV:
1034                reg = snd_soc_component_read32(component, WM8991_CLOCKING_1) &
1035                      ~WM8991_BCLK_DIV_MASK;
1036                snd_soc_component_write(component, WM8991_CLOCKING_1, reg | div);
1037                break;
1038        default:
1039                return -EINVAL;
1040        }
1041
1042        return 0;
1043}
1044
1045/*
1046 * Set PCM DAI bit size and sample rate.
1047 */
1048static int wm8991_hw_params(struct snd_pcm_substream *substream,
1049                            struct snd_pcm_hw_params *params,
1050                            struct snd_soc_dai *dai)
1051{
1052        struct snd_soc_component *component = dai->component;
1053        u16 audio1 = snd_soc_component_read32(component, WM8991_AUDIO_INTERFACE_1);
1054
1055        audio1 &= ~WM8991_AIF_WL_MASK;
1056        /* bit size */
1057        switch (params_width(params)) {
1058        case 16:
1059                break;
1060        case 20:
1061                audio1 |= WM8991_AIF_WL_20BITS;
1062                break;
1063        case 24:
1064                audio1 |= WM8991_AIF_WL_24BITS;
1065                break;
1066        case 32:
1067                audio1 |= WM8991_AIF_WL_32BITS;
1068                break;
1069        }
1070
1071        snd_soc_component_write(component, WM8991_AUDIO_INTERFACE_1, audio1);
1072        return 0;
1073}
1074
1075static int wm8991_mute(struct snd_soc_dai *dai, int mute)
1076{
1077        struct snd_soc_component *component = dai->component;
1078        u16 val;
1079
1080        val  = snd_soc_component_read32(component, WM8991_DAC_CTRL) & ~WM8991_DAC_MUTE;
1081        if (mute)
1082                snd_soc_component_write(component, WM8991_DAC_CTRL, val | WM8991_DAC_MUTE);
1083        else
1084                snd_soc_component_write(component, WM8991_DAC_CTRL, val);
1085        return 0;
1086}
1087
1088static int wm8991_set_bias_level(struct snd_soc_component *component,
1089                                 enum snd_soc_bias_level level)
1090{
1091        struct wm8991_priv *wm8991 = snd_soc_component_get_drvdata(component);
1092        u16 val;
1093
1094        switch (level) {
1095        case SND_SOC_BIAS_ON:
1096                break;
1097
1098        case SND_SOC_BIAS_PREPARE:
1099                /* VMID=2*50k */
1100                val = snd_soc_component_read32(component, WM8991_POWER_MANAGEMENT_1) &
1101                      ~WM8991_VMID_MODE_MASK;
1102                snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, val | 0x2);
1103                break;
1104
1105        case SND_SOC_BIAS_STANDBY:
1106                if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1107                        regcache_sync(wm8991->regmap);
1108                        /* Enable all output discharge bits */
1109                        snd_soc_component_write(component, WM8991_ANTIPOP1, WM8991_DIS_LLINE |
1110                                      WM8991_DIS_RLINE | WM8991_DIS_OUT3 |
1111                                      WM8991_DIS_OUT4 | WM8991_DIS_LOUT |
1112                                      WM8991_DIS_ROUT);
1113
1114                        /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1115                        snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST |
1116                                      WM8991_BUFDCOPEN | WM8991_POBCTRL |
1117                                      WM8991_VMIDTOG);
1118
1119                        /* Delay to allow output caps to discharge */
1120                        msleep(300);
1121
1122                        /* Disable VMIDTOG */
1123                        snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST |
1124                                      WM8991_BUFDCOPEN | WM8991_POBCTRL);
1125
1126                        /* disable all output discharge bits */
1127                        snd_soc_component_write(component, WM8991_ANTIPOP1, 0);
1128
1129                        /* Enable outputs */
1130                        snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1b00);
1131
1132                        msleep(50);
1133
1134                        /* Enable VMID at 2x50k */
1135                        snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1f02);
1136
1137                        msleep(100);
1138
1139                        /* Enable VREF */
1140                        snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1f03);
1141
1142                        msleep(600);
1143
1144                        /* Enable BUFIOEN */
1145                        snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST |
1146                                      WM8991_BUFDCOPEN | WM8991_POBCTRL |
1147                                      WM8991_BUFIOEN);
1148
1149                        /* Disable outputs */
1150                        snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x3);
1151
1152                        /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1153                        snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_BUFIOEN);
1154                }
1155
1156                /* VMID=2*250k */
1157                val = snd_soc_component_read32(component, WM8991_POWER_MANAGEMENT_1) &
1158                      ~WM8991_VMID_MODE_MASK;
1159                snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, val | 0x4);
1160                break;
1161
1162        case SND_SOC_BIAS_OFF:
1163                /* Enable POBCTRL and SOFT_ST */
1164                snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST |
1165                              WM8991_POBCTRL | WM8991_BUFIOEN);
1166
1167                /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1168                snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST |
1169                              WM8991_BUFDCOPEN | WM8991_POBCTRL |
1170                              WM8991_BUFIOEN);
1171
1172                /* mute DAC */
1173                val = snd_soc_component_read32(component, WM8991_DAC_CTRL);
1174                snd_soc_component_write(component, WM8991_DAC_CTRL, val | WM8991_DAC_MUTE);
1175
1176                /* Enable any disabled outputs */
1177                snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1f03);
1178
1179                /* Disable VMID */
1180                snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1f01);
1181
1182                msleep(300);
1183
1184                /* Enable all output discharge bits */
1185                snd_soc_component_write(component, WM8991_ANTIPOP1, WM8991_DIS_LLINE |
1186                              WM8991_DIS_RLINE | WM8991_DIS_OUT3 |
1187                              WM8991_DIS_OUT4 | WM8991_DIS_LOUT |
1188                              WM8991_DIS_ROUT);
1189
1190                /* Disable VREF */
1191                snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x0);
1192
1193                /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1194                snd_soc_component_write(component, WM8991_ANTIPOP2, 0x0);
1195                regcache_mark_dirty(wm8991->regmap);
1196                break;
1197        }
1198
1199        return 0;
1200}
1201
1202#define WM8991_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1203                        SNDRV_PCM_FMTBIT_S24_LE)
1204
1205static const struct snd_soc_dai_ops wm8991_ops = {
1206        .hw_params = wm8991_hw_params,
1207        .digital_mute = wm8991_mute,
1208        .set_fmt = wm8991_set_dai_fmt,
1209        .set_clkdiv = wm8991_set_dai_clkdiv,
1210        .set_pll = wm8991_set_dai_pll
1211};
1212
1213/*
1214 * The WM8991 supports 2 different and mutually exclusive DAI
1215 * configurations.
1216 *
1217 * 1. ADC/DAC on Primary Interface
1218 * 2. ADC on Primary Interface/DAC on secondary
1219 */
1220static struct snd_soc_dai_driver wm8991_dai = {
1221        /* ADC/DAC on primary */
1222        .name = "wm8991",
1223        .id = 1,
1224        .playback = {
1225                .stream_name = "Playback",
1226                .channels_min = 1,
1227                .channels_max = 2,
1228                .rates = SNDRV_PCM_RATE_8000_96000,
1229                .formats = WM8991_FORMATS
1230        },
1231        .capture = {
1232                .stream_name = "Capture",
1233                .channels_min = 1,
1234                .channels_max = 2,
1235                .rates = SNDRV_PCM_RATE_8000_96000,
1236                .formats = WM8991_FORMATS
1237        },
1238        .ops = &wm8991_ops
1239};
1240
1241static const struct snd_soc_component_driver soc_component_dev_wm8991 = {
1242        .set_bias_level         = wm8991_set_bias_level,
1243        .controls               = wm8991_snd_controls,
1244        .num_controls           = ARRAY_SIZE(wm8991_snd_controls),
1245        .dapm_widgets           = wm8991_dapm_widgets,
1246        .num_dapm_widgets       = ARRAY_SIZE(wm8991_dapm_widgets),
1247        .dapm_routes            = wm8991_dapm_routes,
1248        .num_dapm_routes        = ARRAY_SIZE(wm8991_dapm_routes),
1249        .suspend_bias_off       = 1,
1250        .idle_bias_on           = 1,
1251        .use_pmdown_time        = 1,
1252        .endianness             = 1,
1253        .non_legacy_dai_naming  = 1,
1254};
1255
1256static const struct regmap_config wm8991_regmap = {
1257        .reg_bits = 8,
1258        .val_bits = 16,
1259
1260        .max_register = WM8991_PLL3,
1261        .volatile_reg = wm8991_volatile,
1262        .reg_defaults = wm8991_reg_defaults,
1263        .num_reg_defaults = ARRAY_SIZE(wm8991_reg_defaults),
1264        .cache_type = REGCACHE_RBTREE,
1265};
1266
1267static int wm8991_i2c_probe(struct i2c_client *i2c,
1268                            const struct i2c_device_id *id)
1269{
1270        struct wm8991_priv *wm8991;
1271        unsigned int val;
1272        int ret;
1273
1274        wm8991 = devm_kzalloc(&i2c->dev, sizeof(*wm8991), GFP_KERNEL);
1275        if (!wm8991)
1276                return -ENOMEM;
1277
1278        wm8991->regmap = devm_regmap_init_i2c(i2c, &wm8991_regmap);
1279        if (IS_ERR(wm8991->regmap))
1280                return PTR_ERR(wm8991->regmap);
1281
1282        i2c_set_clientdata(i2c, wm8991);
1283
1284        ret = regmap_read(wm8991->regmap, WM8991_RESET, &val);
1285        if (ret != 0) {
1286                dev_err(&i2c->dev, "Failed to read device ID: %d\n", ret);
1287                return ret;
1288        }
1289        if (val != 0x8991) {
1290                dev_err(&i2c->dev, "Device with ID %x is not a WM8991\n", val);
1291                return -EINVAL;
1292        }
1293
1294        ret = regmap_write(wm8991->regmap, WM8991_RESET, 0);
1295        if (ret < 0) {
1296                dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
1297                return ret;
1298        }
1299
1300        regmap_update_bits(wm8991->regmap, WM8991_AUDIO_INTERFACE_4,
1301                           WM8991_ALRCGPIO1, WM8991_ALRCGPIO1);
1302
1303        regmap_update_bits(wm8991->regmap, WM8991_GPIO1_GPIO2,
1304                           WM8991_GPIO1_SEL_MASK, 1);
1305
1306        regmap_update_bits(wm8991->regmap, WM8991_POWER_MANAGEMENT_1,
1307                           WM8991_VREF_ENA | WM8991_VMID_MODE_MASK,
1308                           WM8991_VREF_ENA | WM8991_VMID_MODE_MASK);
1309
1310        regmap_update_bits(wm8991->regmap, WM8991_POWER_MANAGEMENT_2,
1311                           WM8991_OPCLK_ENA, WM8991_OPCLK_ENA);
1312
1313        regmap_write(wm8991->regmap, WM8991_DAC_CTRL, 0);
1314        regmap_write(wm8991->regmap, WM8991_LEFT_OUTPUT_VOLUME,
1315                     0x50 | (1<<8));
1316        regmap_write(wm8991->regmap, WM8991_RIGHT_OUTPUT_VOLUME,
1317                     0x50 | (1<<8));
1318
1319        ret = devm_snd_soc_register_component(&i2c->dev,
1320                                     &soc_component_dev_wm8991, &wm8991_dai, 1);
1321
1322        return ret;
1323}
1324
1325static const struct i2c_device_id wm8991_i2c_id[] = {
1326        { "wm8991", 0 },
1327        { }
1328};
1329MODULE_DEVICE_TABLE(i2c, wm8991_i2c_id);
1330
1331static struct i2c_driver wm8991_i2c_driver = {
1332        .driver = {
1333                .name = "wm8991",
1334        },
1335        .probe = wm8991_i2c_probe,
1336        .id_table = wm8991_i2c_id,
1337};
1338
1339module_i2c_driver(wm8991_i2c_driver);
1340
1341MODULE_DESCRIPTION("ASoC WM8991 driver");
1342MODULE_AUTHOR("Graeme Gregory");
1343MODULE_LICENSE("GPL");
1344