Pileus Git - ~andy/linux/blob - sound/soc/codecs/wm8991.c

   1 /*
   2  * wm8991.c  --  WM8991 ALSA Soc Audio driver
   3  *
   4  * Copyright 2007-2010 Wolfson Microelectronics PLC.
   5  * Author: Graeme Gregory
   6  *         Graeme.Gregory@wolfsonmicro.com
   7  *
   8  *  This program is free software; you can redistribute  it and/or modify it
   9  *  under  the terms of  the GNU General  Public License as published by the
  10  *  Free Software Foundation;  either version 2 of the  License, or (at your
  11  *  option) any later version.
  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/i2c.h>
  21 #include <linux/regmap.h>
  22 #include <linux/slab.h>
  23 #include <sound/core.h>
  24 #include <sound/pcm.h>
  25 #include <sound/pcm_params.h>
  26 #include <sound/soc.h>
  27 #include <sound/soc-dapm.h>
  28 #include <sound/initval.h>
  29 #include <sound/tlv.h>
  30 #include <asm/div64.h>
  31
  32 #include "wm8991.h"
  33
  34 struct wm8991_priv {
  35         struct regmap *regmap;
  36         unsigned int pcmclk;
  37 };
  38
  39 static const struct reg_default wm8991_reg_defaults[] = {
  40         {  1, 0x0000 },     /* R1  - Power Management (1) */
  41         {  2, 0x6000 },     /* R2  - Power Management (2) */
  42         {  3, 0x0000 },     /* R3  - Power Management (3) */
  43         {  4, 0x4050 },     /* R4  - Audio Interface (1) */
  44         {  5, 0x4000 },     /* R5  - Audio Interface (2) */
  45         {  6, 0x01C8 },     /* R6  - Clocking (1) */
  46         {  7, 0x0000 },     /* R7  - Clocking (2) */
  47         {  8, 0x0040 },     /* R8  - Audio Interface (3) */
  48         {  9, 0x0040 },     /* R9  - Audio Interface (4) */
  49         { 10, 0x0004 },     /* R10 - DAC CTRL */
  50         { 11, 0x00C0 },     /* R11 - Left DAC Digital Volume */
  51         { 12, 0x00C0 },     /* R12 - Right DAC Digital Volume */
  52         { 13, 0x0000 },     /* R13 - Digital Side Tone */
  53         { 14, 0x0100 },     /* R14 - ADC CTRL */
  54         { 15, 0x00C0 },     /* R15 - Left ADC Digital Volume */
  55         { 16, 0x00C0 },     /* R16 - Right ADC Digital Volume */
  56
  57         { 18, 0x0000 },     /* R18 - GPIO CTRL 1 */
  58         { 19, 0x1000 },     /* R19 - GPIO1 & GPIO2 */
  59         { 20, 0x1010 },     /* R20 - GPIO3 & GPIO4 */
  60         { 21, 0x1010 },     /* R21 - GPIO5 & GPIO6 */
  61         { 22, 0x8000 },     /* R22 - GPIOCTRL 2 */
  62         { 23, 0x0800 },     /* R23 - GPIO_POL */
  63         { 24, 0x008B },     /* R24 - Left Line Input 1&2 Volume */
  64         { 25, 0x008B },     /* R25 - Left Line Input 3&4 Volume */
  65         { 26, 0x008B },     /* R26 - Right Line Input 1&2 Volume */
  66         { 27, 0x008B },     /* R27 - Right Line Input 3&4 Volume */
  67         { 28, 0x0000 },     /* R28 - Left Output Volume */
  68         { 29, 0x0000 },     /* R29 - Right Output Volume */
  69         { 30, 0x0066 },     /* R30 - Line Outputs Volume */
  70         { 31, 0x0022 },     /* R31 - Out3/4 Volume */
  71         { 32, 0x0079 },     /* R32 - Left OPGA Volume */
  72         { 33, 0x0079 },     /* R33 - Right OPGA Volume */
  73         { 34, 0x0003 },     /* R34 - Speaker Volume */
  74         { 35, 0x0003 },     /* R35 - ClassD1 */
  75
  76         { 37, 0x0100 },     /* R37 - ClassD3 */
  77
  78         { 39, 0x0000 },     /* R39 - Input Mixer1 */
  79         { 40, 0x0000 },     /* R40 - Input Mixer2 */
  80         { 41, 0x0000 },     /* R41 - Input Mixer3 */
  81         { 42, 0x0000 },     /* R42 - Input Mixer4 */
  82         { 43, 0x0000 },     /* R43 - Input Mixer5 */
  83         { 44, 0x0000 },     /* R44 - Input Mixer6 */
  84         { 45, 0x0000 },     /* R45 - Output Mixer1 */
  85         { 46, 0x0000 },     /* R46 - Output Mixer2 */
  86         { 47, 0x0000 },     /* R47 - Output Mixer3 */
  87         { 48, 0x0000 },     /* R48 - Output Mixer4 */
  88         { 49, 0x0000 },     /* R49 - Output Mixer5 */
  89         { 50, 0x0000 },     /* R50 - Output Mixer6 */
  90         { 51, 0x0180 },     /* R51 - Out3/4 Mixer */
  91         { 52, 0x0000 },     /* R52 - Line Mixer1 */
  92         { 53, 0x0000 },     /* R53 - Line Mixer2 */
  93         { 54, 0x0000 },     /* R54 - Speaker Mixer */
  94         { 55, 0x0000 },     /* R55 - Additional Control */
  95         { 56, 0x0000 },     /* R56 - AntiPOP1 */
  96         { 57, 0x0000 },     /* R57 - AntiPOP2 */
  97         { 58, 0x0000 },     /* R58 - MICBIAS */
  98
  99         { 60, 0x0008 },     /* R60 - PLL1 */
 100         { 61, 0x0031 },     /* R61 - PLL2 */
 101         { 62, 0x0026 },     /* R62 - PLL3 */
 102 };
 103
 104 static bool wm8991_volatile(struct device *dev, unsigned int reg)
 105 {
 106         switch (reg) {
 107         case WM8991_RESET:
 108                 return true;
 109         default:
 110                 return false;
 111         }
 112 }
 113
 114 static const unsigned int rec_mix_tlv[] = {
 115         TLV_DB_RANGE_HEAD(1),
 116         0, 7, TLV_DB_LINEAR_ITEM(-1500, 600),
 117 };
 118
 119 static const unsigned int in_pga_tlv[] = {
 120         TLV_DB_RANGE_HEAD(1),
 121         0, 0x1F, TLV_DB_LINEAR_ITEM(-1650, 3000),
 122 };
 123
 124 static const unsigned int out_mix_tlv[] = {
 125         TLV_DB_RANGE_HEAD(1),
 126         0, 7, TLV_DB_LINEAR_ITEM(0, -2100),
 127 };
 128
 129 static const unsigned int out_pga_tlv[] = {
 130         TLV_DB_RANGE_HEAD(1),
 131         0, 127, TLV_DB_LINEAR_ITEM(-7300, 600),
 132 };
 133
 134 static const unsigned int out_omix_tlv[] = {
 135         TLV_DB_RANGE_HEAD(1),
 136         0, 7, TLV_DB_LINEAR_ITEM(-600, 0),
 137 };
 138
 139 static const unsigned int out_dac_tlv[] = {
 140         TLV_DB_RANGE_HEAD(1),
 141         0, 255, TLV_DB_LINEAR_ITEM(-7163, 0),
 142 };
 143
 144 static const unsigned int in_adc_tlv[] = {
 145         TLV_DB_RANGE_HEAD(1),
 146         0, 255, TLV_DB_LINEAR_ITEM(-7163, 1763),
 147 };
 148
 149 static const unsigned int out_sidetone_tlv[] = {
 150         TLV_DB_RANGE_HEAD(1),
 151         0, 31, TLV_DB_LINEAR_ITEM(-3600, 0),
 152 };
 153
 154 static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
 155                                       struct snd_ctl_elem_value *ucontrol)
 156 {
 157         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 158         int reg = kcontrol->private_value & 0xff;
 159         int ret;
 160         u16 val;
 161
 162         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 163         if (ret < 0)
 164                 return ret;
 165
 166         /* now hit the volume update bits (always bit 8) */
 167         val = snd_soc_read(codec, reg);
 168         return snd_soc_write(codec, reg, val | 0x0100);
 169 }
 170
 171 static const char *wm8991_digital_sidetone[] =
 172 {"None", "Left ADC", "Right ADC", "Reserved"};
 173
 174 static const struct soc_enum wm8991_left_digital_sidetone_enum =
 175         SOC_ENUM_SINGLE(WM8991_DIGITAL_SIDE_TONE,
 176                         WM8991_ADC_TO_DACL_SHIFT,
 177                         WM8991_ADC_TO_DACL_MASK,
 178                         wm8991_digital_sidetone);
 179
 180 static const struct soc_enum wm8991_right_digital_sidetone_enum =
 181         SOC_ENUM_SINGLE(WM8991_DIGITAL_SIDE_TONE,
 182                         WM8991_ADC_TO_DACR_SHIFT,
 183                         WM8991_ADC_TO_DACR_MASK,
 184                         wm8991_digital_sidetone);
 185
 186 static const char *wm8991_adcmode[] =
 187 {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
 188
 189 static const struct soc_enum wm8991_right_adcmode_enum =
 190         SOC_ENUM_SINGLE(WM8991_ADC_CTRL,
 191                         WM8991_ADC_HPF_CUT_SHIFT,
 192                         WM8991_ADC_HPF_CUT_MASK,
 193                         wm8991_adcmode);
 194
 195 static const struct snd_kcontrol_new wm8991_snd_controls[] = {
 196         /* INMIXL */
 197         SOC_SINGLE("LIN12 PGA Boost", WM8991_INPUT_MIXER3, WM8991_L12MNBST_BIT, 1, 0),
 198         SOC_SINGLE("LIN34 PGA Boost", WM8991_INPUT_MIXER3, WM8991_L34MNBST_BIT, 1, 0),
 199         /* INMIXR */
 200         SOC_SINGLE("RIN12 PGA Boost", WM8991_INPUT_MIXER3, WM8991_R12MNBST_BIT, 1, 0),
 201         SOC_SINGLE("RIN34 PGA Boost", WM8991_INPUT_MIXER3, WM8991_R34MNBST_BIT, 1, 0),
 202
 203         /* LOMIX */
 204         SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8991_OUTPUT_MIXER3,
 205                 WM8991_LLI3LOVOL_SHIFT, WM8991_LLI3LOVOL_MASK, 1, out_mix_tlv),
 206         SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER3,
 207                 WM8991_LR12LOVOL_SHIFT, WM8991_LR12LOVOL_MASK, 1, out_mix_tlv),
 208         SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER3,
 209                 WM8991_LL12LOVOL_SHIFT, WM8991_LL12LOVOL_MASK, 1, out_mix_tlv),
 210         SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8991_OUTPUT_MIXER5,
 211                 WM8991_LRI3LOVOL_SHIFT, WM8991_LRI3LOVOL_MASK, 1, out_mix_tlv),
 212         SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8991_OUTPUT_MIXER5,
 213                 WM8991_LRBLOVOL_SHIFT, WM8991_LRBLOVOL_MASK, 1, out_mix_tlv),
 214         SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8991_OUTPUT_MIXER5,
 215                 WM8991_LRBLOVOL_SHIFT, WM8991_LRBLOVOL_MASK, 1, out_mix_tlv),
 216
 217         /* ROMIX */
 218         SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8991_OUTPUT_MIXER4,
 219                 WM8991_RRI3ROVOL_SHIFT, WM8991_RRI3ROVOL_MASK, 1, out_mix_tlv),
 220         SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER4,
 221                 WM8991_RL12ROVOL_SHIFT, WM8991_RL12ROVOL_MASK, 1, out_mix_tlv),
 222         SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER4,
 223                 WM8991_RR12ROVOL_SHIFT, WM8991_RR12ROVOL_MASK, 1, out_mix_tlv),
 224         SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8991_OUTPUT_MIXER6,
 225                 WM8991_RLI3ROVOL_SHIFT, WM8991_RLI3ROVOL_MASK, 1, out_mix_tlv),
 226         SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8991_OUTPUT_MIXER6,
 227                 WM8991_RLBROVOL_SHIFT, WM8991_RLBROVOL_MASK, 1, out_mix_tlv),
 228         SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8991_OUTPUT_MIXER6,
 229                 WM8991_RRBROVOL_SHIFT, WM8991_RRBROVOL_MASK, 1, out_mix_tlv),
 230
 231         /* LOUT */
 232         SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8991_LEFT_OUTPUT_VOLUME,
 233                 WM8991_LOUTVOL_SHIFT, WM8991_LOUTVOL_MASK, 0, out_pga_tlv),
 234         SOC_SINGLE("LOUT ZC", WM8991_LEFT_OUTPUT_VOLUME, WM8991_LOZC_BIT, 1, 0),
 235
 236         /* ROUT */
 237         SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8991_RIGHT_OUTPUT_VOLUME,
 238                 WM8991_ROUTVOL_SHIFT, WM8991_ROUTVOL_MASK, 0, out_pga_tlv),
 239         SOC_SINGLE("ROUT ZC", WM8991_RIGHT_OUTPUT_VOLUME, WM8991_ROZC_BIT, 1, 0),
 240
 241         /* LOPGA */
 242         SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8991_LEFT_OPGA_VOLUME,
 243                 WM8991_LOPGAVOL_SHIFT, WM8991_LOPGAVOL_MASK, 0, out_pga_tlv),
 244         SOC_SINGLE("LOPGA ZC Switch", WM8991_LEFT_OPGA_VOLUME,
 245                 WM8991_LOPGAZC_BIT, 1, 0),
 246
 247         /* ROPGA */
 248         SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8991_RIGHT_OPGA_VOLUME,
 249                 WM8991_ROPGAVOL_SHIFT, WM8991_ROPGAVOL_MASK, 0, out_pga_tlv),
 250         SOC_SINGLE("ROPGA ZC Switch", WM8991_RIGHT_OPGA_VOLUME,
 251                 WM8991_ROPGAZC_BIT, 1, 0),
 252
 253         SOC_SINGLE("LON Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
 254                 WM8991_LONMUTE_BIT, 1, 0),
 255         SOC_SINGLE("LOP Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
 256                 WM8991_LOPMUTE_BIT, 1, 0),
 257         SOC_SINGLE("LOP Attenuation Switch", WM8991_LINE_OUTPUTS_VOLUME,
 258                 WM8991_LOATTN_BIT, 1, 0),
 259         SOC_SINGLE("RON Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
 260                 WM8991_RONMUTE_BIT, 1, 0),
 261         SOC_SINGLE("ROP Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
 262                 WM8991_ROPMUTE_BIT, 1, 0),
 263         SOC_SINGLE("ROP Attenuation Switch", WM8991_LINE_OUTPUTS_VOLUME,
 264                 WM8991_ROATTN_BIT, 1, 0),
 265
 266         SOC_SINGLE("OUT3 Mute Switch", WM8991_OUT3_4_VOLUME,
 267                 WM8991_OUT3MUTE_BIT, 1, 0),
 268         SOC_SINGLE("OUT3 Attenuation Switch", WM8991_OUT3_4_VOLUME,
 269                 WM8991_OUT3ATTN_BIT, 1, 0),
 270
 271         SOC_SINGLE("OUT4 Mute Switch", WM8991_OUT3_4_VOLUME,
 272                 WM8991_OUT4MUTE_BIT, 1, 0),
 273         SOC_SINGLE("OUT4 Attenuation Switch", WM8991_OUT3_4_VOLUME,
 274                 WM8991_OUT4ATTN_BIT, 1, 0),
 275
 276         SOC_SINGLE("Speaker Mode Switch", WM8991_CLASSD1,
 277                 WM8991_CDMODE_BIT, 1, 0),
 278
 279         SOC_SINGLE("Speaker Output Attenuation Volume", WM8991_SPEAKER_VOLUME,
 280                 WM8991_SPKVOL_SHIFT, WM8991_SPKVOL_MASK, 0),
 281         SOC_SINGLE("Speaker DC Boost Volume", WM8991_CLASSD3,
 282                 WM8991_DCGAIN_SHIFT, WM8991_DCGAIN_MASK, 0),
 283         SOC_SINGLE("Speaker AC Boost Volume", WM8991_CLASSD3,
 284                 WM8991_ACGAIN_SHIFT, WM8991_ACGAIN_MASK, 0),
 285
 286         SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
 287                 WM8991_LEFT_DAC_DIGITAL_VOLUME,
 288                 WM8991_DACL_VOL_SHIFT,
 289                 WM8991_DACL_VOL_MASK,
 290                 0,
 291                 out_dac_tlv),
 292
 293         SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
 294                 WM8991_RIGHT_DAC_DIGITAL_VOLUME,
 295                 WM8991_DACR_VOL_SHIFT,
 296                 WM8991_DACR_VOL_MASK,
 297                 0,
 298                 out_dac_tlv),
 299
 300         SOC_ENUM("Left Digital Sidetone", wm8991_left_digital_sidetone_enum),
 301         SOC_ENUM("Right Digital Sidetone", wm8991_right_digital_sidetone_enum),
 302
 303         SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8991_DIGITAL_SIDE_TONE,
 304                 WM8991_ADCL_DAC_SVOL_SHIFT, WM8991_ADCL_DAC_SVOL_MASK, 0,
 305                 out_sidetone_tlv),
 306         SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8991_DIGITAL_SIDE_TONE,
 307                 WM8991_ADCR_DAC_SVOL_SHIFT, WM8991_ADCR_DAC_SVOL_MASK, 0,
 308                 out_sidetone_tlv),
 309
 310         SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8991_ADC_CTRL,
 311                 WM8991_ADC_HPF_ENA_BIT, 1, 0),
 312
 313         SOC_ENUM("ADC HPF Mode", wm8991_right_adcmode_enum),
 314
 315         SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
 316                 WM8991_LEFT_ADC_DIGITAL_VOLUME,
 317                 WM8991_ADCL_VOL_SHIFT,
 318                 WM8991_ADCL_VOL_MASK,
 319                 0,
 320                 in_adc_tlv),
 321
 322         SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
 323                 WM8991_RIGHT_ADC_DIGITAL_VOLUME,
 324                 WM8991_ADCR_VOL_SHIFT,
 325                 WM8991_ADCR_VOL_MASK,
 326                 0,
 327                 in_adc_tlv),
 328
 329         SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
 330                 WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
 331                 WM8991_LIN12VOL_SHIFT,
 332                 WM8991_LIN12VOL_MASK,
 333                 0,
 334                 in_pga_tlv),
 335
 336         SOC_SINGLE("LIN12 ZC Switch", WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
 337                 WM8991_LI12ZC_BIT, 1, 0),
 338
 339         SOC_SINGLE("LIN12 Mute Switch", WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
 340                 WM8991_LI12MUTE_BIT, 1, 0),
 341
 342         SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
 343                 WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
 344                 WM8991_LIN34VOL_SHIFT,
 345                 WM8991_LIN34VOL_MASK,
 346                 0,
 347                 in_pga_tlv),
 348
 349         SOC_SINGLE("LIN34 ZC Switch", WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
 350                 WM8991_LI34ZC_BIT, 1, 0),
 351
 352         SOC_SINGLE("LIN34 Mute Switch", WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
 353                 WM8991_LI34MUTE_BIT, 1, 0),
 354
 355         SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
 356                 WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
 357                 WM8991_RIN12VOL_SHIFT,
 358                 WM8991_RIN12VOL_MASK,
 359                 0,
 360                 in_pga_tlv),
 361
 362         SOC_SINGLE("RIN12 ZC Switch", WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
 363                 WM8991_RI12ZC_BIT, 1, 0),
 364
 365         SOC_SINGLE("RIN12 Mute Switch", WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
 366                 WM8991_RI12MUTE_BIT, 1, 0),
 367
 368         SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
 369                 WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
 370                 WM8991_RIN34VOL_SHIFT,
 371                 WM8991_RIN34VOL_MASK,
 372                 0,
 373                 in_pga_tlv),
 374
 375         SOC_SINGLE("RIN34 ZC Switch", WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
 376                 WM8991_RI34ZC_BIT, 1, 0),
 377
 378         SOC_SINGLE("RIN34 Mute Switch", WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
 379                 WM8991_RI34MUTE_BIT, 1, 0),
 380 };
 381
 382 /*
 383  * _DAPM_ Controls
 384  */
 385 static int outmixer_event(struct snd_soc_dapm_widget *w,
 386                           struct snd_kcontrol *kcontrol, int event)
 387 {
 388         u32 reg_shift = kcontrol->private_value & 0xfff;
 389         int ret = 0;
 390         u16 reg;
 391
 392         switch (reg_shift) {
 393         case WM8991_SPEAKER_MIXER | (WM8991_LDSPK_BIT << 8):
 394                 reg = snd_soc_read(w->codec, WM8991_OUTPUT_MIXER1);
 395                 if (reg & WM8991_LDLO) {
 396                         printk(KERN_WARNING
 397                                "Cannot set as Output Mixer 1 LDLO Set\n");
 398                         ret = -1;
 399                 }
 400                 break;
 401
 402         case WM8991_SPEAKER_MIXER | (WM8991_RDSPK_BIT << 8):
 403                 reg = snd_soc_read(w->codec, WM8991_OUTPUT_MIXER2);
 404                 if (reg & WM8991_RDRO) {
 405                         printk(KERN_WARNING
 406                                "Cannot set as Output Mixer 2 RDRO Set\n");
 407                         ret = -1;
 408                 }
 409                 break;
 410
 411         case WM8991_OUTPUT_MIXER1 | (WM8991_LDLO_BIT << 8):
 412                 reg = snd_soc_read(w->codec, WM8991_SPEAKER_MIXER);
 413                 if (reg & WM8991_LDSPK) {
 414                         printk(KERN_WARNING
 415                                "Cannot set as Speaker Mixer LDSPK Set\n");
 416                         ret = -1;
 417                 }
 418                 break;
 419
 420         case WM8991_OUTPUT_MIXER2 | (WM8991_RDRO_BIT << 8):
 421                 reg = snd_soc_read(w->codec, WM8991_SPEAKER_MIXER);
 422                 if (reg & WM8991_RDSPK) {
 423                         printk(KERN_WARNING
 424                                "Cannot set as Speaker Mixer RDSPK Set\n");
 425                         ret = -1;
 426                 }
 427                 break;
 428         }
 429
 430         return ret;
 431 }
 432
 433 /* INMIX dB values */
 434 static const unsigned int in_mix_tlv[] = {
 435         TLV_DB_RANGE_HEAD(1),
 436         0, 7, TLV_DB_LINEAR_ITEM(-1200, 600),
 437 };
 438
 439 /* Left In PGA Connections */
 440 static const struct snd_kcontrol_new wm8991_dapm_lin12_pga_controls[] = {
 441         SOC_DAPM_SINGLE("LIN1 Switch", WM8991_INPUT_MIXER2, WM8991_LMN1_BIT, 1, 0),
 442         SOC_DAPM_SINGLE("LIN2 Switch", WM8991_INPUT_MIXER2, WM8991_LMP2_BIT, 1, 0),
 443 };
 444
 445 static const struct snd_kcontrol_new wm8991_dapm_lin34_pga_controls[] = {
 446         SOC_DAPM_SINGLE("LIN3 Switch", WM8991_INPUT_MIXER2, WM8991_LMN3_BIT, 1, 0),
 447         SOC_DAPM_SINGLE("LIN4 Switch", WM8991_INPUT_MIXER2, WM8991_LMP4_BIT, 1, 0),
 448 };
 449
 450 /* Right In PGA Connections */
 451 static const struct snd_kcontrol_new wm8991_dapm_rin12_pga_controls[] = {
 452         SOC_DAPM_SINGLE("RIN1 Switch", WM8991_INPUT_MIXER2, WM8991_RMN1_BIT, 1, 0),
 453         SOC_DAPM_SINGLE("RIN2 Switch", WM8991_INPUT_MIXER2, WM8991_RMP2_BIT, 1, 0),
 454 };
 455
 456 static const struct snd_kcontrol_new wm8991_dapm_rin34_pga_controls[] = {
 457         SOC_DAPM_SINGLE("RIN3 Switch", WM8991_INPUT_MIXER2, WM8991_RMN3_BIT, 1, 0),
 458         SOC_DAPM_SINGLE("RIN4 Switch", WM8991_INPUT_MIXER2, WM8991_RMP4_BIT, 1, 0),
 459 };
 460
 461 /* INMIXL */
 462 static const struct snd_kcontrol_new wm8991_dapm_inmixl_controls[] = {
 463         SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8991_INPUT_MIXER3,
 464                 WM8991_LDBVOL_SHIFT, WM8991_LDBVOL_MASK, 0, in_mix_tlv),
 465         SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8991_INPUT_MIXER5, WM8991_LI2BVOL_SHIFT,
 466                 7, 0, in_mix_tlv),
 467         SOC_DAPM_SINGLE("LINPGA12 Switch", WM8991_INPUT_MIXER3, WM8991_L12MNB_BIT,
 468                 1, 0),
 469         SOC_DAPM_SINGLE("LINPGA34 Switch", WM8991_INPUT_MIXER3, WM8991_L34MNB_BIT,
 470                 1, 0),
 471 };
 472
 473 /* INMIXR */
 474 static const struct snd_kcontrol_new wm8991_dapm_inmixr_controls[] = {
 475         SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8991_INPUT_MIXER4,
 476                 WM8991_RDBVOL_SHIFT, WM8991_RDBVOL_MASK, 0, in_mix_tlv),
 477         SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8991_INPUT_MIXER6, WM8991_RI2BVOL_SHIFT,
 478                 7, 0, in_mix_tlv),
 479         SOC_DAPM_SINGLE("RINPGA12 Switch", WM8991_INPUT_MIXER3, WM8991_L12MNB_BIT,
 480                 1, 0),
 481         SOC_DAPM_SINGLE("RINPGA34 Switch", WM8991_INPUT_MIXER3, WM8991_L34MNB_BIT,
 482                 1, 0),
 483 };
 484
 485 /* AINLMUX */
 486 static const char *wm8991_ainlmux[] =
 487 {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
 488
 489 static const struct soc_enum wm8991_ainlmux_enum =
 490         SOC_ENUM_SINGLE(WM8991_INPUT_MIXER1, WM8991_AINLMODE_SHIFT,
 491                         ARRAY_SIZE(wm8991_ainlmux), wm8991_ainlmux);
 492
 493 static const struct snd_kcontrol_new wm8991_dapm_ainlmux_controls =
 494         SOC_DAPM_ENUM("Route", wm8991_ainlmux_enum);
 495
 496 /* DIFFINL */
 497
 498 /* AINRMUX */
 499 static const char *wm8991_ainrmux[] =
 500 {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
 501
 502 static const struct soc_enum wm8991_ainrmux_enum =
 503         SOC_ENUM_SINGLE(WM8991_INPUT_MIXER1, WM8991_AINRMODE_SHIFT,
 504                         ARRAY_SIZE(wm8991_ainrmux), wm8991_ainrmux);
 505
 506 static const struct snd_kcontrol_new wm8991_dapm_ainrmux_controls =
 507         SOC_DAPM_ENUM("Route", wm8991_ainrmux_enum);
 508
 509 /* RXVOICE */
 510 static const struct snd_kcontrol_new wm8991_dapm_rxvoice_controls[] = {
 511         SOC_DAPM_SINGLE_TLV("LIN4RXN", WM8991_INPUT_MIXER5, WM8991_LR4BVOL_SHIFT,
 512                 WM8991_LR4BVOL_MASK, 0, in_mix_tlv),
 513         SOC_DAPM_SINGLE_TLV("RIN4RXP", WM8991_INPUT_MIXER6, WM8991_RL4BVOL_SHIFT,
 514                 WM8991_RL4BVOL_MASK, 0, in_mix_tlv),
 515 };
 516
 517 /* LOMIX */
 518 static const struct snd_kcontrol_new wm8991_dapm_lomix_controls[] = {
 519         SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8991_OUTPUT_MIXER1,
 520                 WM8991_LRBLO_BIT, 1, 0),
 521         SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8991_OUTPUT_MIXER1,
 522                 WM8991_LLBLO_BIT, 1, 0),
 523         SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8991_OUTPUT_MIXER1,
 524                 WM8991_LRI3LO_BIT, 1, 0),
 525         SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8991_OUTPUT_MIXER1,
 526                 WM8991_LLI3LO_BIT, 1, 0),
 527         SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER1,
 528                 WM8991_LR12LO_BIT, 1, 0),
 529         SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER1,
 530                 WM8991_LL12LO_BIT, 1, 0),
 531         SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8991_OUTPUT_MIXER1,
 532                 WM8991_LDLO_BIT, 1, 0),
 533 };
 534
 535 /* ROMIX */
 536 static const struct snd_kcontrol_new wm8991_dapm_romix_controls[] = {
 537         SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8991_OUTPUT_MIXER2,
 538                 WM8991_RLBRO_BIT, 1, 0),
 539         SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8991_OUTPUT_MIXER2,
 540                 WM8991_RRBRO_BIT, 1, 0),
 541         SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8991_OUTPUT_MIXER2,
 542                 WM8991_RLI3RO_BIT, 1, 0),
 543         SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8991_OUTPUT_MIXER2,
 544                 WM8991_RRI3RO_BIT, 1, 0),
 545         SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER2,
 546                 WM8991_RL12RO_BIT, 1, 0),
 547         SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER2,
 548                 WM8991_RR12RO_BIT, 1, 0),
 549         SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8991_OUTPUT_MIXER2,
 550                 WM8991_RDRO_BIT, 1, 0),
 551 };
 552
 553 /* LONMIX */
 554 static const struct snd_kcontrol_new wm8991_dapm_lonmix_controls[] = {
 555         SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8991_LINE_MIXER1,
 556                 WM8991_LLOPGALON_BIT, 1, 0),
 557         SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8991_LINE_MIXER1,
 558                 WM8991_LROPGALON_BIT, 1, 0),
 559         SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8991_LINE_MIXER1,
 560                 WM8991_LOPLON_BIT, 1, 0),
 561 };
 562
 563 /* LOPMIX */
 564 static const struct snd_kcontrol_new wm8991_dapm_lopmix_controls[] = {
 565         SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8991_LINE_MIXER1,
 566                 WM8991_LR12LOP_BIT, 1, 0),
 567         SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8991_LINE_MIXER1,
 568                 WM8991_LL12LOP_BIT, 1, 0),
 569         SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8991_LINE_MIXER1,
 570                 WM8991_LLOPGALOP_BIT, 1, 0),
 571 };
 572
 573 /* RONMIX */
 574 static const struct snd_kcontrol_new wm8991_dapm_ronmix_controls[] = {
 575         SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8991_LINE_MIXER2,
 576                 WM8991_RROPGARON_BIT, 1, 0),
 577         SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8991_LINE_MIXER2,
 578                 WM8991_RLOPGARON_BIT, 1, 0),
 579         SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8991_LINE_MIXER2,
 580                 WM8991_ROPRON_BIT, 1, 0),
 581 };
 582
 583 /* ROPMIX */
 584 static const struct snd_kcontrol_new wm8991_dapm_ropmix_controls[] = {
 585         SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8991_LINE_MIXER2,
 586                 WM8991_RL12ROP_BIT, 1, 0),
 587         SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8991_LINE_MIXER2,
 588                 WM8991_RR12ROP_BIT, 1, 0),
 589         SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8991_LINE_MIXER2,
 590                 WM8991_RROPGAROP_BIT, 1, 0),
 591 };
 592
 593 /* OUT3MIX */
 594 static const struct snd_kcontrol_new wm8991_dapm_out3mix_controls[] = {
 595         SOC_DAPM_SINGLE("OUT3MIX LIN4RXN Bypass Switch", WM8991_OUT3_4_MIXER,
 596                 WM8991_LI4O3_BIT, 1, 0),
 597         SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8991_OUT3_4_MIXER,
 598                 WM8991_LPGAO3_BIT, 1, 0),
 599 };
 600
 601 /* OUT4MIX */
 602 static const struct snd_kcontrol_new wm8991_dapm_out4mix_controls[] = {
 603         SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8991_OUT3_4_MIXER,
 604                 WM8991_RPGAO4_BIT, 1, 0),
 605         SOC_DAPM_SINGLE("OUT4MIX RIN4RXP Bypass Switch", WM8991_OUT3_4_MIXER,
 606                 WM8991_RI4O4_BIT, 1, 0),
 607 };
 608
 609 /* SPKMIX */
 610 static const struct snd_kcontrol_new wm8991_dapm_spkmix_controls[] = {
 611         SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8991_SPEAKER_MIXER,
 612                 WM8991_LI2SPK_BIT, 1, 0),
 613         SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8991_SPEAKER_MIXER,
 614                 WM8991_LB2SPK_BIT, 1, 0),
 615         SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8991_SPEAKER_MIXER,
 616                 WM8991_LOPGASPK_BIT, 1, 0),
 617         SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8991_SPEAKER_MIXER,
 618                 WM8991_LDSPK_BIT, 1, 0),
 619         SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8991_SPEAKER_MIXER,
 620                 WM8991_RDSPK_BIT, 1, 0),
 621         SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8991_SPEAKER_MIXER,
 622                 WM8991_ROPGASPK_BIT, 1, 0),
 623         SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8991_SPEAKER_MIXER,
 624                 WM8991_RL12ROP_BIT, 1, 0),
 625         SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8991_SPEAKER_MIXER,
 626                 WM8991_RI2SPK_BIT, 1, 0),
 627 };
 628
 629 static const struct snd_soc_dapm_widget wm8991_dapm_widgets[] = {
 630         /* Input Side */
 631         /* Input Lines */
 632         SND_SOC_DAPM_INPUT("LIN1"),
 633         SND_SOC_DAPM_INPUT("LIN2"),
 634         SND_SOC_DAPM_INPUT("LIN3"),
 635         SND_SOC_DAPM_INPUT("LIN4RXN"),
 636         SND_SOC_DAPM_INPUT("RIN3"),
 637         SND_SOC_DAPM_INPUT("RIN4RXP"),
 638         SND_SOC_DAPM_INPUT("RIN1"),
 639         SND_SOC_DAPM_INPUT("RIN2"),
 640         SND_SOC_DAPM_INPUT("Internal ADC Source"),
 641
 642         SND_SOC_DAPM_SUPPLY("INL", WM8991_POWER_MANAGEMENT_2,
 643                             WM8991_AINL_ENA_BIT, 0, NULL, 0),
 644         SND_SOC_DAPM_SUPPLY("INR", WM8991_POWER_MANAGEMENT_2,
 645                             WM8991_AINR_ENA_BIT, 0, NULL, 0),
 646
 647         /* DACs */
 648         SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8991_POWER_MANAGEMENT_2,
 649                 WM8991_ADCL_ENA_BIT, 0),
 650         SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8991_POWER_MANAGEMENT_2,
 651                 WM8991_ADCR_ENA_BIT, 0),
 652
 653         /* Input PGAs */
 654         SND_SOC_DAPM_MIXER("LIN12 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_LIN12_ENA_BIT,
 655                 0, &wm8991_dapm_lin12_pga_controls[0],
 656                 ARRAY_SIZE(wm8991_dapm_lin12_pga_controls)),
 657         SND_SOC_DAPM_MIXER("LIN34 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_LIN34_ENA_BIT,
 658                 0, &wm8991_dapm_lin34_pga_controls[0],
 659                 ARRAY_SIZE(wm8991_dapm_lin34_pga_controls)),
 660         SND_SOC_DAPM_MIXER("RIN12 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_RIN12_ENA_BIT,
 661                 0, &wm8991_dapm_rin12_pga_controls[0],
 662                 ARRAY_SIZE(wm8991_dapm_rin12_pga_controls)),
 663         SND_SOC_DAPM_MIXER("RIN34 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_RIN34_ENA_BIT,
 664                 0, &wm8991_dapm_rin34_pga_controls[0],
 665                 ARRAY_SIZE(wm8991_dapm_rin34_pga_controls)),
 666
 667         /* INMIXL */
 668         SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0,
 669                 &wm8991_dapm_inmixl_controls[0],
 670                 ARRAY_SIZE(wm8991_dapm_inmixl_controls)),
 671
 672         /* AINLMUX */
 673         SND_SOC_DAPM_MUX("AINLMUX", SND_SOC_NOPM, 0, 0,
 674                 &wm8991_dapm_ainlmux_controls),
 675
 676         /* INMIXR */
 677         SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0,
 678                 &wm8991_dapm_inmixr_controls[0],
 679                 ARRAY_SIZE(wm8991_dapm_inmixr_controls)),
 680
 681         /* AINRMUX */
 682         SND_SOC_DAPM_MUX("AINRMUX", SND_SOC_NOPM, 0, 0,
 683                 &wm8991_dapm_ainrmux_controls),
 684
 685         /* Output Side */
 686         /* DACs */
 687         SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8991_POWER_MANAGEMENT_3,
 688                 WM8991_DACL_ENA_BIT, 0),
 689         SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8991_POWER_MANAGEMENT_3,
 690                 WM8991_DACR_ENA_BIT, 0),
 691
 692         /* LOMIX */
 693         SND_SOC_DAPM_MIXER_E("LOMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LOMIX_ENA_BIT,
 694                 0, &wm8991_dapm_lomix_controls[0],
 695                 ARRAY_SIZE(wm8991_dapm_lomix_controls),
 696                 outmixer_event, SND_SOC_DAPM_PRE_REG),
 697
 698         /* LONMIX */
 699         SND_SOC_DAPM_MIXER("LONMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LON_ENA_BIT, 0,
 700                 &wm8991_dapm_lonmix_controls[0],
 701                 ARRAY_SIZE(wm8991_dapm_lonmix_controls)),
 702
 703         /* LOPMIX */
 704         SND_SOC_DAPM_MIXER("LOPMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LOP_ENA_BIT, 0,
 705                 &wm8991_dapm_lopmix_controls[0],
 706                 ARRAY_SIZE(wm8991_dapm_lopmix_controls)),
 707
 708         /* OUT3MIX */
 709         SND_SOC_DAPM_MIXER("OUT3MIX", WM8991_POWER_MANAGEMENT_1, WM8991_OUT3_ENA_BIT, 0,
 710                 &wm8991_dapm_out3mix_controls[0],
 711                 ARRAY_SIZE(wm8991_dapm_out3mix_controls)),
 712
 713         /* SPKMIX */
 714         SND_SOC_DAPM_MIXER_E("SPKMIX", WM8991_POWER_MANAGEMENT_1, WM8991_SPK_ENA_BIT, 0,
 715                 &wm8991_dapm_spkmix_controls[0],
 716                 ARRAY_SIZE(wm8991_dapm_spkmix_controls), outmixer_event,
 717                 SND_SOC_DAPM_PRE_REG),
 718
 719         /* OUT4MIX */
 720         SND_SOC_DAPM_MIXER("OUT4MIX", WM8991_POWER_MANAGEMENT_1, WM8991_OUT4_ENA_BIT, 0,
 721                 &wm8991_dapm_out4mix_controls[0],
 722                 ARRAY_SIZE(wm8991_dapm_out4mix_controls)),
 723
 724         /* ROPMIX */
 725         SND_SOC_DAPM_MIXER("ROPMIX", WM8991_POWER_MANAGEMENT_3, WM8991_ROP_ENA_BIT, 0,
 726                 &wm8991_dapm_ropmix_controls[0],
 727                 ARRAY_SIZE(wm8991_dapm_ropmix_controls)),
 728
 729         /* RONMIX */
 730         SND_SOC_DAPM_MIXER("RONMIX", WM8991_POWER_MANAGEMENT_3, WM8991_RON_ENA_BIT, 0,
 731                 &wm8991_dapm_ronmix_controls[0],
 732                 ARRAY_SIZE(wm8991_dapm_ronmix_controls)),
 733
 734         /* ROMIX */
 735         SND_SOC_DAPM_MIXER_E("ROMIX", WM8991_POWER_MANAGEMENT_3, WM8991_ROMIX_ENA_BIT,
 736                 0, &wm8991_dapm_romix_controls[0],
 737                 ARRAY_SIZE(wm8991_dapm_romix_controls),
 738                 outmixer_event, SND_SOC_DAPM_PRE_REG),
 739
 740         /* LOUT PGA */
 741         SND_SOC_DAPM_PGA("LOUT PGA", WM8991_POWER_MANAGEMENT_1, WM8991_LOUT_ENA_BIT, 0,
 742                 NULL, 0),
 743
 744         /* ROUT PGA */
 745         SND_SOC_DAPM_PGA("ROUT PGA", WM8991_POWER_MANAGEMENT_1, WM8991_ROUT_ENA_BIT, 0,
 746                 NULL, 0),
 747
 748         /* LOPGA */
 749         SND_SOC_DAPM_PGA("LOPGA", WM8991_POWER_MANAGEMENT_3, WM8991_LOPGA_ENA_BIT, 0,
 750                 NULL, 0),
 751
 752         /* ROPGA */
 753         SND_SOC_DAPM_PGA("ROPGA", WM8991_POWER_MANAGEMENT_3, WM8991_ROPGA_ENA_BIT, 0,
 754                 NULL, 0),
 755
 756         /* MICBIAS */
 757         SND_SOC_DAPM_SUPPLY("MICBIAS", WM8991_POWER_MANAGEMENT_1,
 758                             WM8991_MICBIAS_ENA_BIT, 0, NULL, 0),
 759
 760         SND_SOC_DAPM_OUTPUT("LON"),
 761         SND_SOC_DAPM_OUTPUT("LOP"),
 762         SND_SOC_DAPM_OUTPUT("OUT3"),
 763         SND_SOC_DAPM_OUTPUT("LOUT"),
 764         SND_SOC_DAPM_OUTPUT("SPKN"),
 765         SND_SOC_DAPM_OUTPUT("SPKP"),
 766         SND_SOC_DAPM_OUTPUT("ROUT"),
 767         SND_SOC_DAPM_OUTPUT("OUT4"),
 768         SND_SOC_DAPM_OUTPUT("ROP"),
 769         SND_SOC_DAPM_OUTPUT("RON"),
 770         SND_SOC_DAPM_OUTPUT("OUT"),
 771
 772         SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
 773 };
 774
 775 static const struct snd_soc_dapm_route wm8991_dapm_routes[] = {
 776         /* Make DACs turn on when playing even if not mixed into any outputs */
 777         {"Internal DAC Sink", NULL, "Left DAC"},
 778         {"Internal DAC Sink", NULL, "Right DAC"},
 779
 780         /* Make ADCs turn on when recording even if not mixed from any inputs */
 781         {"Left ADC", NULL, "Internal ADC Source"},
 782         {"Right ADC", NULL, "Internal ADC Source"},
 783
 784         /* Input Side */
 785         {"INMIXL", NULL, "INL"},
 786         {"AINLMUX", NULL, "INL"},
 787         {"INMIXR", NULL, "INR"},
 788         {"AINRMUX", NULL, "INR"},
 789         /* LIN12 PGA */
 790         {"LIN12 PGA", "LIN1 Switch", "LIN1"},
 791         {"LIN12 PGA", "LIN2 Switch", "LIN2"},
 792         /* LIN34 PGA */
 793         {"LIN34 PGA", "LIN3 Switch", "LIN3"},
 794         {"LIN34 PGA", "LIN4 Switch", "LIN4RXN"},
 795         /* INMIXL */
 796         {"INMIXL", "Record Left Volume", "LOMIX"},
 797         {"INMIXL", "LIN2 Volume", "LIN2"},
 798         {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
 799         {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
 800         /* AINLMUX */
 801         {"AINLMUX", "INMIXL Mix", "INMIXL"},
 802         {"AINLMUX", "DIFFINL Mix", "LIN12 PGA"},
 803         {"AINLMUX", "DIFFINL Mix", "LIN34 PGA"},
 804         {"AINLMUX", "RXVOICE Mix", "LIN4RXN"},
 805         {"AINLMUX", "RXVOICE Mix", "RIN4RXP"},
 806         /* ADC */
 807         {"Left ADC", NULL, "AINLMUX"},
 808
 809         /* RIN12 PGA */
 810         {"RIN12 PGA", "RIN1 Switch", "RIN1"},
 811         {"RIN12 PGA", "RIN2 Switch", "RIN2"},
 812         /* RIN34 PGA */
 813         {"RIN34 PGA", "RIN3 Switch", "RIN3"},
 814         {"RIN34 PGA", "RIN4 Switch", "RIN4RXP"},
 815         /* INMIXL */
 816         {"INMIXR", "Record Right Volume", "ROMIX"},
 817         {"INMIXR", "RIN2 Volume", "RIN2"},
 818         {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
 819         {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
 820         /* AINRMUX */
 821         {"AINRMUX", "INMIXR Mix", "INMIXR"},
 822         {"AINRMUX", "DIFFINR Mix", "RIN12 PGA"},
 823         {"AINRMUX", "DIFFINR Mix", "RIN34 PGA"},
 824         {"AINRMUX", "RXVOICE Mix", "LIN4RXN"},
 825         {"AINRMUX", "RXVOICE Mix", "RIN4RXP"},
 826         /* ADC */
 827         {"Right ADC", NULL, "AINRMUX"},
 828
 829         /* LOMIX */
 830         {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
 831         {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
 832         {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 833         {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 834         {"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
 835         {"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
 836         {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
 837
 838         /* ROMIX */
 839         {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
 840         {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
 841         {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 842         {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 843         {"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
 844         {"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
 845         {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
 846
 847         /* SPKMIX */
 848         {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
 849         {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
 850         {"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
 851         {"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
 852         {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
 853         {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
 854         {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
 855         {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
 856
 857         /* LONMIX */
 858         {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
 859         {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
 860         {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
 861
 862         /* LOPMIX */
 863         {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 864         {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 865         {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
 866
 867         /* OUT3MIX */
 868         {"OUT3MIX", "OUT3MIX LIN4RXN Bypass Switch", "LIN4RXN"},
 869         {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
 870
 871         /* OUT4MIX */
 872         {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
 873         {"OUT4MIX", "OUT4MIX RIN4RXP Bypass Switch", "RIN4RXP"},
 874
 875         /* RONMIX */
 876         {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
 877         {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
 878         {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
 879
 880         /* ROPMIX */
 881         {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 882         {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 883         {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
 884
 885         /* Out Mixer PGAs */
 886         {"LOPGA", NULL, "LOMIX"},
 887         {"ROPGA", NULL, "ROMIX"},
 888
 889         {"LOUT PGA", NULL, "LOMIX"},
 890         {"ROUT PGA", NULL, "ROMIX"},
 891
 892         /* Output Pins */
 893         {"LON", NULL, "LONMIX"},
 894         {"LOP", NULL, "LOPMIX"},
 895         {"OUT", NULL, "OUT3MIX"},
 896         {"LOUT", NULL, "LOUT PGA"},
 897         {"SPKN", NULL, "SPKMIX"},
 898         {"ROUT", NULL, "ROUT PGA"},
 899         {"OUT4", NULL, "OUT4MIX"},
 900         {"ROP", NULL, "ROPMIX"},
 901         {"RON", NULL, "RONMIX"},
 902 };
 903
 904 /* PLL divisors */
 905 struct _pll_div {
 906         u32 div2;
 907         u32 n;
 908         u32 k;
 909 };
 910
 911 /* The size in bits of the pll divide multiplied by 10
 912  * to allow rounding later */
 913 #define FIXED_PLL_SIZE ((1 << 16) * 10)
 914
 915 static void pll_factors(struct _pll_div *pll_div, unsigned int target,
 916                         unsigned int source)
 917 {
 918         u64 Kpart;
 919         unsigned int K, Ndiv, Nmod;
 920
 921
 922         Ndiv = target / source;
 923         if (Ndiv < 6) {
 924                 source >>= 1;
 925                 pll_div->div2 = 1;
 926                 Ndiv = target / source;
 927         } else
 928                 pll_div->div2 = 0;
 929
 930         if ((Ndiv < 6) || (Ndiv > 12))
 931                 printk(KERN_WARNING
 932                        "WM8991 N value outwith recommended range! N = %d\n", Ndiv);
 933
 934         pll_div->n = Ndiv;
 935         Nmod = target % source;
 936         Kpart = FIXED_PLL_SIZE * (long long)Nmod;
 937
 938         do_div(Kpart, source);
 939
 940         K = Kpart & 0xFFFFFFFF;
 941
 942         /* Check if we need to round */
 943         if ((K % 10) >= 5)
 944                 K += 5;
 945
 946         /* Move down to proper range now rounding is done */
 947         K /= 10;
 948
 949         pll_div->k = K;
 950 }
 951
 952 static int wm8991_set_dai_pll(struct snd_soc_dai *codec_dai,
 953                               int pll_id, int src, unsigned int freq_in, unsigned int freq_out)
 954 {
 955         u16 reg;
 956         struct snd_soc_codec *codec = codec_dai->codec;
 957         struct _pll_div pll_div;
 958
 959         if (freq_in && freq_out) {
 960                 pll_factors(&pll_div, freq_out * 4, freq_in);
 961
 962                 /* Turn on PLL */
 963                 reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_2);
 964                 reg |= WM8991_PLL_ENA;
 965                 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_2, reg);
 966
 967                 /* sysclk comes from PLL */
 968                 reg = snd_soc_read(codec, WM8991_CLOCKING_2);
 969                 snd_soc_write(codec, WM8991_CLOCKING_2, reg | WM8991_SYSCLK_SRC);
 970
 971                 /* set up N , fractional mode and pre-divisor if necessary */
 972                 snd_soc_write(codec, WM8991_PLL1, pll_div.n | WM8991_SDM |
 973                               (pll_div.div2 ? WM8991_PRESCALE : 0));
 974                 snd_soc_write(codec, WM8991_PLL2, (u8)(pll_div.k>>8));
 975                 snd_soc_write(codec, WM8991_PLL3, (u8)(pll_div.k & 0xFF));
 976         } else {
 977                 /* Turn on PLL */
 978                 reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_2);
 979                 reg &= ~WM8991_PLL_ENA;
 980                 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_2, reg);
 981         }
 982         return 0;
 983 }
 984
 985 /*
 986  * Set's ADC and Voice DAC format.
 987  */
 988 static int wm8991_set_dai_fmt(struct snd_soc_dai *codec_dai,
 989                               unsigned int fmt)
 990 {
 991         struct snd_soc_codec *codec = codec_dai->codec;
 992         u16 audio1, audio3;
 993
 994         audio1 = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_1);
 995         audio3 = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_3);
 996
 997         /* set master/slave audio interface */
 998         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 999         case SND_SOC_DAIFMT_CBS_CFS:
1000                 audio3 &= ~WM8991_AIF_MSTR1;
1001                 break;
1002         case SND_SOC_DAIFMT_CBM_CFM:
1003                 audio3 |= WM8991_AIF_MSTR1;
1004                 break;
1005         default:
1006                 return -EINVAL;
1007         }
1008
1009         audio1 &= ~WM8991_AIF_FMT_MASK;
1010
1011         /* interface format */
1012         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1013         case SND_SOC_DAIFMT_I2S:
1014                 audio1 |= WM8991_AIF_TMF_I2S;
1015                 audio1 &= ~WM8991_AIF_LRCLK_INV;
1016                 break;
1017         case SND_SOC_DAIFMT_RIGHT_J:
1018                 audio1 |= WM8991_AIF_TMF_RIGHTJ;
1019                 audio1 &= ~WM8991_AIF_LRCLK_INV;
1020                 break;
1021         case SND_SOC_DAIFMT_LEFT_J:
1022                 audio1 |= WM8991_AIF_TMF_LEFTJ;
1023                 audio1 &= ~WM8991_AIF_LRCLK_INV;
1024                 break;
1025         case SND_SOC_DAIFMT_DSP_A:
1026                 audio1 |= WM8991_AIF_TMF_DSP;
1027                 audio1 &= ~WM8991_AIF_LRCLK_INV;
1028                 break;
1029         case SND_SOC_DAIFMT_DSP_B:
1030                 audio1 |= WM8991_AIF_TMF_DSP | WM8991_AIF_LRCLK_INV;
1031                 break;
1032         default:
1033                 return -EINVAL;
1034         }
1035
1036         snd_soc_write(codec, WM8991_AUDIO_INTERFACE_1, audio1);
1037         snd_soc_write(codec, WM8991_AUDIO_INTERFACE_3, audio3);
1038         return 0;
1039 }
1040
1041 static int wm8991_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1042                                  int div_id, int div)
1043 {
1044         struct snd_soc_codec *codec = codec_dai->codec;
1045         u16 reg;
1046
1047         switch (div_id) {
1048         case WM8991_MCLK_DIV:
1049                 reg = snd_soc_read(codec, WM8991_CLOCKING_2) &
1050                       ~WM8991_MCLK_DIV_MASK;
1051                 snd_soc_write(codec, WM8991_CLOCKING_2, reg | div);
1052                 break;
1053         case WM8991_DACCLK_DIV:
1054                 reg = snd_soc_read(codec, WM8991_CLOCKING_2) &
1055                       ~WM8991_DAC_CLKDIV_MASK;
1056                 snd_soc_write(codec, WM8991_CLOCKING_2, reg | div);
1057                 break;
1058         case WM8991_ADCCLK_DIV:
1059                 reg = snd_soc_read(codec, WM8991_CLOCKING_2) &
1060                       ~WM8991_ADC_CLKDIV_MASK;
1061                 snd_soc_write(codec, WM8991_CLOCKING_2, reg | div);
1062                 break;
1063         case WM8991_BCLK_DIV:
1064                 reg = snd_soc_read(codec, WM8991_CLOCKING_1) &
1065                       ~WM8991_BCLK_DIV_MASK;
1066                 snd_soc_write(codec, WM8991_CLOCKING_1, reg | div);
1067                 break;
1068         default:
1069                 return -EINVAL;
1070         }
1071
1072         return 0;
1073 }
1074
1075 /*
1076  * Set PCM DAI bit size and sample rate.
1077  */
1078 static int wm8991_hw_params(struct snd_pcm_substream *substream,
1079                             struct snd_pcm_hw_params *params,
1080                             struct snd_soc_dai *dai)
1081 {
1082         struct snd_soc_codec *codec = dai->codec;
1083         u16 audio1 = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_1);
1084
1085         audio1 &= ~WM8991_AIF_WL_MASK;
1086         /* bit size */
1087         switch (params_format(params)) {
1088         case SNDRV_PCM_FORMAT_S16_LE:
1089                 break;
1090         case SNDRV_PCM_FORMAT_S20_3LE:
1091                 audio1 |= WM8991_AIF_WL_20BITS;
1092                 break;
1093         case SNDRV_PCM_FORMAT_S24_LE:
1094                 audio1 |= WM8991_AIF_WL_24BITS;
1095                 break;
1096         case SNDRV_PCM_FORMAT_S32_LE:
1097                 audio1 |= WM8991_AIF_WL_32BITS;
1098                 break;
1099         }
1100
1101         snd_soc_write(codec, WM8991_AUDIO_INTERFACE_1, audio1);
1102         return 0;
1103 }
1104
1105 static int wm8991_mute(struct snd_soc_dai *dai, int mute)
1106 {
1107         struct snd_soc_codec *codec = dai->codec;
1108         u16 val;
1109
1110         val  = snd_soc_read(codec, WM8991_DAC_CTRL) & ~WM8991_DAC_MUTE;
1111         if (mute)
1112                 snd_soc_write(codec, WM8991_DAC_CTRL, val | WM8991_DAC_MUTE);
1113         else
1114                 snd_soc_write(codec, WM8991_DAC_CTRL, val);
1115         return 0;
1116 }
1117
1118 static int wm8991_set_bias_level(struct snd_soc_codec *codec,
1119                                  enum snd_soc_bias_level level)
1120 {
1121         struct wm8991_priv *wm8991 = snd_soc_codec_get_drvdata(codec);
1122         u16 val;
1123
1124         switch (level) {
1125         case SND_SOC_BIAS_ON:
1126                 break;
1127
1128         case SND_SOC_BIAS_PREPARE:
1129                 /* VMID=2*50k */
1130                 val = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_1) &
1131                       ~WM8991_VMID_MODE_MASK;
1132                 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, val | 0x2);
1133                 break;
1134
1135         case SND_SOC_BIAS_STANDBY:
1136                 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1137                         regcache_sync(wm8991->regmap);
1138                         /* Enable all output discharge bits */
1139                         snd_soc_write(codec, WM8991_ANTIPOP1, WM8991_DIS_LLINE |
1140                                       WM8991_DIS_RLINE | WM8991_DIS_OUT3 |
1141                                       WM8991_DIS_OUT4 | WM8991_DIS_LOUT |
1142                                       WM8991_DIS_ROUT);
1143
1144                         /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1145                         snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
1146                                       WM8991_BUFDCOPEN | WM8991_POBCTRL |
1147                                       WM8991_VMIDTOG);
1148
1149                         /* Delay to allow output caps to discharge */
1150                         msleep(300);
1151
1152                         /* Disable VMIDTOG */
1153                         snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
1154                                       WM8991_BUFDCOPEN | WM8991_POBCTRL);
1155
1156                         /* disable all output discharge bits */
1157                         snd_soc_write(codec, WM8991_ANTIPOP1, 0);
1158
1159                         /* Enable outputs */
1160                         snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1b00);
1161
1162                         msleep(50);
1163
1164                         /* Enable VMID at 2x50k */
1165                         snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f02);
1166
1167                         msleep(100);
1168
1169                         /* Enable VREF */
1170                         snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f03);
1171
1172                         msleep(600);
1173
1174                         /* Enable BUFIOEN */
1175                         snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
1176                                       WM8991_BUFDCOPEN | WM8991_POBCTRL |
1177                                       WM8991_BUFIOEN);
1178
1179                         /* Disable outputs */
1180                         snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x3);
1181
1182                         /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1183                         snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_BUFIOEN);
1184                 }
1185
1186                 /* VMID=2*250k */
1187                 val = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_1) &
1188                       ~WM8991_VMID_MODE_MASK;
1189                 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, val | 0x4);
1190                 break;
1191
1192         case SND_SOC_BIAS_OFF:
1193                 /* Enable POBCTRL and SOFT_ST */
1194                 snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
1195                               WM8991_POBCTRL | WM8991_BUFIOEN);
1196
1197                 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1198                 snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
1199                               WM8991_BUFDCOPEN | WM8991_POBCTRL |
1200                               WM8991_BUFIOEN);
1201
1202                 /* mute DAC */
1203                 val = snd_soc_read(codec, WM8991_DAC_CTRL);
1204                 snd_soc_write(codec, WM8991_DAC_CTRL, val | WM8991_DAC_MUTE);
1205
1206                 /* Enable any disabled outputs */
1207                 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f03);
1208
1209                 /* Disable VMID */
1210                 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f01);
1211
1212                 msleep(300);
1213
1214                 /* Enable all output discharge bits */
1215                 snd_soc_write(codec, WM8991_ANTIPOP1, WM8991_DIS_LLINE |
1216                               WM8991_DIS_RLINE | WM8991_DIS_OUT3 |
1217                               WM8991_DIS_OUT4 | WM8991_DIS_LOUT |
1218                               WM8991_DIS_ROUT);
1219
1220                 /* Disable VREF */
1221                 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x0);
1222
1223                 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1224                 snd_soc_write(codec, WM8991_ANTIPOP2, 0x0);
1225                 regcache_mark_dirty(wm8991->regmap);
1226                 break;
1227         }
1228
1229         codec->dapm.bias_level = level;
1230         return 0;
1231 }
1232
1233 static int wm8991_suspend(struct snd_soc_codec *codec)
1234 {
1235         wm8991_set_bias_level(codec, SND_SOC_BIAS_OFF);
1236         return 0;
1237 }
1238
1239 static int wm8991_resume(struct snd_soc_codec *codec)
1240 {
1241         wm8991_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1242         return 0;
1243 }
1244
1245 /* power down chip */
1246 static int wm8991_remove(struct snd_soc_codec *codec)
1247 {
1248         wm8991_set_bias_level(codec, SND_SOC_BIAS_OFF);
1249         return 0;
1250 }
1251
1252 static int wm8991_probe(struct snd_soc_codec *codec)
1253 {
1254         struct wm8991_priv *wm8991;
1255         int ret;
1256
1257         wm8991 = snd_soc_codec_get_drvdata(codec);
1258
1259         ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_REGMAP);
1260         if (ret < 0) {
1261                 dev_err(codec->dev, "Failed to set cache i/o: %d\n", ret);
1262                 return ret;
1263         }
1264
1265         wm8991_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1266
1267         return 0;
1268 }
1269
1270 #define WM8991_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1271                         SNDRV_PCM_FMTBIT_S24_LE)
1272
1273 static const struct snd_soc_dai_ops wm8991_ops = {
1274         .hw_params = wm8991_hw_params,
1275         .digital_mute = wm8991_mute,
1276         .set_fmt = wm8991_set_dai_fmt,
1277         .set_clkdiv = wm8991_set_dai_clkdiv,
1278         .set_pll = wm8991_set_dai_pll
1279 };
1280
1281 /*
1282  * The WM8991 supports 2 different and mutually exclusive DAI
1283  * configurations.
1284  *
1285  * 1. ADC/DAC on Primary Interface
1286  * 2. ADC on Primary Interface/DAC on secondary
1287  */
1288 static struct snd_soc_dai_driver wm8991_dai = {
1289         /* ADC/DAC on primary */
1290         .name = "wm8991",
1291         .id = 1,
1292         .playback = {
1293                 .stream_name = "Playback",
1294                 .channels_min = 1,
1295                 .channels_max = 2,
1296                 .rates = SNDRV_PCM_RATE_8000_96000,
1297                 .formats = WM8991_FORMATS
1298         },
1299         .capture = {
1300                 .stream_name = "Capture",
1301                 .channels_min = 1,
1302                 .channels_max = 2,
1303                 .rates = SNDRV_PCM_RATE_8000_96000,
1304                 .formats = WM8991_FORMATS
1305         },
1306         .ops = &wm8991_ops
1307 };
1308
1309 static struct snd_soc_codec_driver soc_codec_dev_wm8991 = {
1310         .probe = wm8991_probe,
1311         .remove = wm8991_remove,
1312         .suspend = wm8991_suspend,
1313         .resume = wm8991_resume,
1314         .set_bias_level = wm8991_set_bias_level,
1315         .controls = wm8991_snd_controls,
1316         .num_controls = ARRAY_SIZE(wm8991_snd_controls),
1317         .dapm_widgets = wm8991_dapm_widgets,
1318         .num_dapm_widgets = ARRAY_SIZE(wm8991_dapm_widgets),
1319         .dapm_routes = wm8991_dapm_routes,
1320         .num_dapm_routes = ARRAY_SIZE(wm8991_dapm_routes),
1321 };
1322
1323 static const struct regmap_config wm8991_regmap = {
1324         .reg_bits = 8,
1325         .val_bits = 16,
1326
1327         .max_register = WM8991_PLL3,
1328         .volatile_reg = wm8991_volatile,
1329         .reg_defaults = wm8991_reg_defaults,
1330         .num_reg_defaults = ARRAY_SIZE(wm8991_reg_defaults),
1331         .cache_type = REGCACHE_RBTREE,
1332 };
1333
1334 static int wm8991_i2c_probe(struct i2c_client *i2c,
1335                             const struct i2c_device_id *id)
1336 {
1337         struct wm8991_priv *wm8991;
1338         unsigned int val;
1339         int ret;
1340
1341         wm8991 = devm_kzalloc(&i2c->dev, sizeof(*wm8991), GFP_KERNEL);
1342         if (!wm8991)
1343                 return -ENOMEM;
1344
1345         wm8991->regmap = devm_regmap_init_i2c(i2c, &wm8991_regmap);
1346         if (IS_ERR(wm8991->regmap))
1347                 return PTR_ERR(wm8991->regmap);
1348
1349         i2c_set_clientdata(i2c, wm8991);
1350
1351         ret = regmap_read(wm8991->regmap, WM8991_RESET, &val);
1352         if (ret != 0) {
1353                 dev_err(&i2c->dev, "Failed to read device ID: %d\n", ret);
1354                 return ret;
1355         }
1356         if (val != 0x8991) {
1357                 dev_err(&i2c->dev, "Device with ID %x is not a WM8991\n", val);
1358                 return -EINVAL;
1359         }
1360
1361         ret = regmap_write(wm8991->regmap, WM8991_RESET, 0);
1362         if (ret < 0) {
1363                 dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
1364                 return ret;
1365         }
1366
1367         regmap_update_bits(wm8991->regmap, WM8991_AUDIO_INTERFACE_4,
1368                            WM8991_ALRCGPIO1, WM8991_ALRCGPIO1);
1369
1370         regmap_update_bits(wm8991->regmap, WM8991_GPIO1_GPIO2,
1371                            WM8991_GPIO1_SEL_MASK, 1);
1372
1373         regmap_update_bits(wm8991->regmap, WM8991_POWER_MANAGEMENT_1,
1374                            WM8991_VREF_ENA | WM8991_VMID_MODE_MASK,
1375                            WM8991_VREF_ENA | WM8991_VMID_MODE_MASK);
1376
1377         regmap_update_bits(wm8991->regmap, WM8991_POWER_MANAGEMENT_2,
1378                            WM8991_OPCLK_ENA, WM8991_OPCLK_ENA);
1379
1380         regmap_write(wm8991->regmap, WM8991_DAC_CTRL, 0);
1381         regmap_write(wm8991->regmap, WM8991_LEFT_OUTPUT_VOLUME,
1382                      0x50 | (1<<8));
1383         regmap_write(wm8991->regmap, WM8991_RIGHT_OUTPUT_VOLUME,
1384                      0x50 | (1<<8));
1385
1386         ret = snd_soc_register_codec(&i2c->dev,
1387                                      &soc_codec_dev_wm8991, &wm8991_dai, 1);
1388
1389         return ret;
1390 }
1391
1392 static int wm8991_i2c_remove(struct i2c_client *client)
1393 {
1394         snd_soc_unregister_codec(&client->dev);
1395
1396         return 0;
1397 }
1398
1399 static const struct i2c_device_id wm8991_i2c_id[] = {
1400         { "wm8991", 0 },
1401         { }
1402 };
1403 MODULE_DEVICE_TABLE(i2c, wm8991_i2c_id);
1404
1405 static struct i2c_driver wm8991_i2c_driver = {
1406         .driver = {
1407                 .name = "wm8991",
1408                 .owner = THIS_MODULE,
1409         },
1410         .probe = wm8991_i2c_probe,
1411         .remove = wm8991_i2c_remove,
1412         .id_table = wm8991_i2c_id,
1413 };
1414
1415 module_i2c_driver(wm8991_i2c_driver);
1416
1417 MODULE_DESCRIPTION("ASoC WM8991 driver");
1418 MODULE_AUTHOR("Graeme Gregory");
1419 MODULE_LICENSE("GPL");