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