sound/soc/codecs/wm8990.c

   1 /*
   2  * wm8990.c  --  WM8990 ALSA Soc Audio driver
   3  *
   4  * Copyright 2008 Wolfson Microelectronics PLC.
   5  * Author: Liam Girdwood
   6  *         lg@opensource.wolfsonmicro.com or linux@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/platform_device.h>
  22 #include <sound/core.h>
  23 #include <sound/pcm.h>
  24 #include <sound/pcm_params.h>
  25 #include <sound/soc.h>
  26 #include <sound/soc-dapm.h>
  27 #include <sound/initval.h>
  28 #include <sound/tlv.h>
  29 #include <asm/div64.h>
  30
  31 #include "wm8990.h"
  32
  33 #define AUDIO_NAME "wm8990"
  34 #define WM8990_VERSION "0.2"
  35
  36 /* codec private data */
  37 struct wm8990_priv {
  38         unsigned int sysclk;
  39         unsigned int pcmclk;
  40 };
  41
  42 /*
  43  * wm8990 register cache.  Note that register 0 is not included in the
  44  * cache.
  45  */
  46 static const u16 wm8990_reg[] = {
  47         0x8990,     /* R0  - Reset */
  48         0x0000,     /* R1  - Power Management (1) */
  49         0x6000,     /* R2  - Power Management (2) */
  50         0x0000,     /* R3  - Power Management (3) */
  51         0x4050,     /* R4  - Audio Interface (1) */
  52         0x4000,     /* R5  - Audio Interface (2) */
  53         0x01C8,     /* R6  - Clocking (1) */
  54         0x0000,     /* R7  - Clocking (2) */
  55         0x0040,     /* R8  - Audio Interface (3) */
  56         0x0040,     /* R9  - Audio Interface (4) */
  57         0x0004,     /* R10 - DAC CTRL */
  58         0x00C0,     /* R11 - Left DAC Digital Volume */
  59         0x00C0,     /* R12 - Right DAC Digital Volume */
  60         0x0000,     /* R13 - Digital Side Tone */
  61         0x0100,     /* R14 - ADC CTRL */
  62         0x00C0,     /* R15 - Left ADC Digital Volume */
  63         0x00C0,     /* R16 - Right ADC Digital Volume */
  64         0x0000,     /* R17 */
  65         0x0000,     /* R18 - GPIO CTRL 1 */
  66         0x1000,     /* R19 - GPIO1 & GPIO2 */
  67         0x1010,     /* R20 - GPIO3 & GPIO4 */
  68         0x1010,     /* R21 - GPIO5 & GPIO6 */
  69         0x8000,     /* R22 - GPIOCTRL 2 */
  70         0x0800,     /* R23 - GPIO_POL */
  71         0x008B,     /* R24 - Left Line Input 1&2 Volume */
  72         0x008B,     /* R25 - Left Line Input 3&4 Volume */
  73         0x008B,     /* R26 - Right Line Input 1&2 Volume */
  74         0x008B,     /* R27 - Right Line Input 3&4 Volume */
  75         0x0000,     /* R28 - Left Output Volume */
  76         0x0000,     /* R29 - Right Output Volume */
  77         0x0066,     /* R30 - Line Outputs Volume */
  78         0x0022,     /* R31 - Out3/4 Volume */
  79         0x0079,     /* R32 - Left OPGA Volume */
  80         0x0079,     /* R33 - Right OPGA Volume */
  81         0x0003,     /* R34 - Speaker Volume */
  82         0x0003,     /* R35 - ClassD1 */
  83         0x0000,     /* R36 */
  84         0x0100,     /* R37 - ClassD3 */
  85         0x0000,     /* R38 */
  86         0x0000,     /* R39 - Input Mixer1 */
  87         0x0000,     /* R40 - Input Mixer2 */
  88         0x0000,     /* R41 - Input Mixer3 */
  89         0x0000,     /* R42 - Input Mixer4 */
  90         0x0000,     /* R43 - Input Mixer5 */
  91         0x0000,     /* R44 - Input Mixer6 */
  92         0x0000,     /* R45 - Output Mixer1 */
  93         0x0000,     /* R46 - Output Mixer2 */
  94         0x0000,     /* R47 - Output Mixer3 */
  95         0x0000,     /* R48 - Output Mixer4 */
  96         0x0000,     /* R49 - Output Mixer5 */
  97         0x0000,     /* R50 - Output Mixer6 */
  98         0x0180,     /* R51 - Out3/4 Mixer */
  99         0x0000,     /* R52 - Line Mixer1 */
 100         0x0000,     /* R53 - Line Mixer2 */
 101         0x0000,     /* R54 - Speaker Mixer */
 102         0x0000,     /* R55 - Additional Control */
 103         0x0000,     /* R56 - AntiPOP1 */
 104         0x0000,     /* R57 - AntiPOP2 */
 105         0x0000,     /* R58 - MICBIAS */
 106         0x0000,     /* R59 */
 107         0x0008,     /* R60 - PLL1 */
 108         0x0031,     /* R61 - PLL2 */
 109         0x0026,     /* R62 - PLL3 */
 110 };
 111
 112 /*
 113  * read wm8990 register cache
 114  */
 115 static inline unsigned int wm8990_read_reg_cache(struct snd_soc_codec *codec,
 116         unsigned int reg)
 117 {
 118         u16 *cache = codec->reg_cache;
 119         BUG_ON(reg > (ARRAY_SIZE(wm8990_reg)) - 1);
 120         return cache[reg];
 121 }
 122
 123 /*
 124  * write wm8990 register cache
 125  */
 126 static inline void wm8990_write_reg_cache(struct snd_soc_codec *codec,
 127         unsigned int reg, unsigned int value)
 128 {
 129         u16 *cache = codec->reg_cache;
 130         BUG_ON(reg > (ARRAY_SIZE(wm8990_reg)) - 1);
 131
 132         /* Reset register is uncached */
 133         if (reg == 0)
 134                 return;
 135
 136         cache[reg] = value;
 137 }
 138
 139 /*
 140  * write to the wm8990 register space
 141  */
 142 static int wm8990_write(struct snd_soc_codec *codec, unsigned int reg,
 143         unsigned int value)
 144 {
 145         u8 data[3];
 146
 147         data[0] = reg & 0xFF;
 148         data[1] = (value >> 8) & 0xFF;
 149         data[2] = value & 0xFF;
 150
 151         wm8990_write_reg_cache(codec, reg, value);
 152
 153         if (codec->hw_write(codec->control_data, data, 3) == 2)
 154                 return 0;
 155         else
 156                 return -EIO;
 157 }
 158
 159 #define wm8990_reset(c) wm8990_write(c, WM8990_RESET, 0)
 160
 161 static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600);
 162
 163 static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000);
 164
 165 static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, 0, -2100);
 166
 167 static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600);
 168
 169 static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0);
 170
 171 static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0);
 172
 173 static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763);
 174
 175 static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0);
 176
 177 static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
 178         struct snd_ctl_elem_value *ucontrol)
 179 {
 180         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 181         int reg = kcontrol->private_value & 0xff;
 182         int ret;
 183         u16 val;
 184
 185         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 186         if (ret < 0)
 187                 return ret;
 188
 189         /* now hit the volume update bits (always bit 8) */
 190         val = wm8990_read_reg_cache(codec, reg);
 191         return wm8990_write(codec, reg, val | 0x0100);
 192 }
 193
 194 #define SOC_WM899X_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert,\
 195          tlv_array) {\
 196         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 197         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 198                   SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 199         .tlv.p = (tlv_array), \
 200         .info = snd_soc_info_volsw, \
 201         .get = snd_soc_get_volsw, .put = wm899x_outpga_put_volsw_vu, \
 202         .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
 203
 204
 205 static const char *wm8990_digital_sidetone[] =
 206         {"None", "Left ADC", "Right ADC", "Reserved"};
 207
 208 static const struct soc_enum wm8990_left_digital_sidetone_enum =
 209 SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE,
 210         WM8990_ADC_TO_DACL_SHIFT,
 211         WM8990_ADC_TO_DACL_MASK,
 212         wm8990_digital_sidetone);
 213
 214 static const struct soc_enum wm8990_right_digital_sidetone_enum =
 215 SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE,
 216         WM8990_ADC_TO_DACR_SHIFT,
 217         WM8990_ADC_TO_DACR_MASK,
 218         wm8990_digital_sidetone);
 219
 220 static const char *wm8990_adcmode[] =
 221         {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
 222
 223 static const struct soc_enum wm8990_right_adcmode_enum =
 224 SOC_ENUM_SINGLE(WM8990_ADC_CTRL,
 225         WM8990_ADC_HPF_CUT_SHIFT,
 226         WM8990_ADC_HPF_CUT_MASK,
 227         wm8990_adcmode);
 228
 229 static const struct snd_kcontrol_new wm8990_snd_controls[] = {
 230 /* INMIXL */
 231 SOC_SINGLE("LIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L12MNBST_BIT, 1, 0),
 232 SOC_SINGLE("LIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L34MNBST_BIT, 1, 0),
 233 /* INMIXR */
 234 SOC_SINGLE("RIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R12MNBST_BIT, 1, 0),
 235 SOC_SINGLE("RIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R34MNBST_BIT, 1, 0),
 236
 237 /* LOMIX */
 238 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER3,
 239         WM8990_LLI3LOVOL_SHIFT, WM8990_LLI3LOVOL_MASK, 1, out_mix_tlv),
 240 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
 241         WM8990_LR12LOVOL_SHIFT, WM8990_LR12LOVOL_MASK, 1, out_mix_tlv),
 242 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
 243         WM8990_LL12LOVOL_SHIFT, WM8990_LL12LOVOL_MASK, 1, out_mix_tlv),
 244 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER5,
 245         WM8990_LRI3LOVOL_SHIFT, WM8990_LRI3LOVOL_MASK, 1, out_mix_tlv),
 246 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
 247         WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
 248 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
 249         WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
 250
 251 /* ROMIX */
 252 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER4,
 253         WM8990_RRI3ROVOL_SHIFT, WM8990_RRI3ROVOL_MASK, 1, out_mix_tlv),
 254 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
 255         WM8990_RL12ROVOL_SHIFT, WM8990_RL12ROVOL_MASK, 1, out_mix_tlv),
 256 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
 257         WM8990_RR12ROVOL_SHIFT, WM8990_RR12ROVOL_MASK, 1, out_mix_tlv),
 258 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER6,
 259         WM8990_RLI3ROVOL_SHIFT, WM8990_RLI3ROVOL_MASK, 1, out_mix_tlv),
 260 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
 261         WM8990_RLBROVOL_SHIFT, WM8990_RLBROVOL_MASK, 1, out_mix_tlv),
 262 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
 263         WM8990_RRBROVOL_SHIFT, WM8990_RRBROVOL_MASK, 1, out_mix_tlv),
 264
 265 /* LOUT */
 266 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8990_LEFT_OUTPUT_VOLUME,
 267         WM8990_LOUTVOL_SHIFT, WM8990_LOUTVOL_MASK, 0, out_pga_tlv),
 268 SOC_SINGLE("LOUT ZC", WM8990_LEFT_OUTPUT_VOLUME, WM8990_LOZC_BIT, 1, 0),
 269
 270 /* ROUT */
 271 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8990_RIGHT_OUTPUT_VOLUME,
 272         WM8990_ROUTVOL_SHIFT, WM8990_ROUTVOL_MASK, 0, out_pga_tlv),
 273 SOC_SINGLE("ROUT ZC", WM8990_RIGHT_OUTPUT_VOLUME, WM8990_ROZC_BIT, 1, 0),
 274
 275 /* LOPGA */
 276 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8990_LEFT_OPGA_VOLUME,
 277         WM8990_LOPGAVOL_SHIFT, WM8990_LOPGAVOL_MASK, 0, out_pga_tlv),
 278 SOC_SINGLE("LOPGA ZC Switch", WM8990_LEFT_OPGA_VOLUME,
 279         WM8990_LOPGAZC_BIT, 1, 0),
 280
 281 /* ROPGA */
 282 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8990_RIGHT_OPGA_VOLUME,
 283         WM8990_ROPGAVOL_SHIFT, WM8990_ROPGAVOL_MASK, 0, out_pga_tlv),
 284 SOC_SINGLE("ROPGA ZC Switch", WM8990_RIGHT_OPGA_VOLUME,
 285         WM8990_ROPGAZC_BIT, 1, 0),
 286
 287 SOC_SINGLE("LON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
 288         WM8990_LONMUTE_BIT, 1, 0),
 289 SOC_SINGLE("LOP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
 290         WM8990_LOPMUTE_BIT, 1, 0),
 291 SOC_SINGLE("LOP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
 292         WM8990_LOATTN_BIT, 1, 0),
 293 SOC_SINGLE("RON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
 294         WM8990_RONMUTE_BIT, 1, 0),
 295 SOC_SINGLE("ROP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
 296         WM8990_ROPMUTE_BIT, 1, 0),
 297 SOC_SINGLE("ROP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
 298         WM8990_ROATTN_BIT, 1, 0),
 299
 300 SOC_SINGLE("OUT3 Mute Switch", WM8990_OUT3_4_VOLUME,
 301         WM8990_OUT3MUTE_BIT, 1, 0),
 302 SOC_SINGLE("OUT3 Attenuation Switch", WM8990_OUT3_4_VOLUME,
 303         WM8990_OUT3ATTN_BIT, 1, 0),
 304
 305 SOC_SINGLE("OUT4 Mute Switch", WM8990_OUT3_4_VOLUME,
 306         WM8990_OUT4MUTE_BIT, 1, 0),
 307 SOC_SINGLE("OUT4 Attenuation Switch", WM8990_OUT3_4_VOLUME,
 308         WM8990_OUT4ATTN_BIT, 1, 0),
 309
 310 SOC_SINGLE("Speaker Mode Switch", WM8990_CLASSD1,
 311         WM8990_CDMODE_BIT, 1, 0),
 312
 313 SOC_SINGLE("Speaker Output Attenuation Volume", WM8990_SPEAKER_VOLUME,
 314         WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0),
 315 SOC_SINGLE("Speaker DC Boost Volume", WM8990_CLASSD3,
 316         WM8990_DCGAIN_SHIFT, WM8990_DCGAIN_MASK, 0),
 317 SOC_SINGLE("Speaker AC Boost Volume", WM8990_CLASSD3,
 318         WM8990_ACGAIN_SHIFT, WM8990_ACGAIN_MASK, 0),
 319
 320 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
 321         WM8990_LEFT_DAC_DIGITAL_VOLUME,
 322         WM8990_DACL_VOL_SHIFT,
 323         WM8990_DACL_VOL_MASK,
 324         0,
 325         out_dac_tlv),
 326
 327 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
 328         WM8990_RIGHT_DAC_DIGITAL_VOLUME,
 329         WM8990_DACR_VOL_SHIFT,
 330         WM8990_DACR_VOL_MASK,
 331         0,
 332         out_dac_tlv),
 333
 334 SOC_ENUM("Left Digital Sidetone", wm8990_left_digital_sidetone_enum),
 335 SOC_ENUM("Right Digital Sidetone", wm8990_right_digital_sidetone_enum),
 336
 337 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
 338         WM8990_ADCL_DAC_SVOL_SHIFT, WM8990_ADCL_DAC_SVOL_MASK, 0,
 339         out_sidetone_tlv),
 340 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
 341         WM8990_ADCR_DAC_SVOL_SHIFT, WM8990_ADCR_DAC_SVOL_MASK, 0,
 342         out_sidetone_tlv),
 343
 344 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8990_ADC_CTRL,
 345         WM8990_ADC_HPF_ENA_BIT, 1, 0),
 346
 347 SOC_ENUM("ADC HPF Mode", wm8990_right_adcmode_enum),
 348
 349 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
 350         WM8990_LEFT_ADC_DIGITAL_VOLUME,
 351         WM8990_ADCL_VOL_SHIFT,
 352         WM8990_ADCL_VOL_MASK,
 353         0,
 354         in_adc_tlv),
 355
 356 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
 357         WM8990_RIGHT_ADC_DIGITAL_VOLUME,
 358         WM8990_ADCR_VOL_SHIFT,
 359         WM8990_ADCR_VOL_MASK,
 360         0,
 361         in_adc_tlv),
 362
 363 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
 364         WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
 365         WM8990_LIN12VOL_SHIFT,
 366         WM8990_LIN12VOL_MASK,
 367         0,
 368         in_pga_tlv),
 369
 370 SOC_SINGLE("LIN12 ZC Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
 371         WM8990_LI12ZC_BIT, 1, 0),
 372
 373 SOC_SINGLE("LIN12 Mute Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
 374         WM8990_LI12MUTE_BIT, 1, 0),
 375
 376 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
 377         WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
 378         WM8990_LIN34VOL_SHIFT,
 379         WM8990_LIN34VOL_MASK,
 380         0,
 381         in_pga_tlv),
 382
 383 SOC_SINGLE("LIN34 ZC Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
 384         WM8990_LI34ZC_BIT, 1, 0),
 385
 386 SOC_SINGLE("LIN34 Mute Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
 387         WM8990_LI34MUTE_BIT, 1, 0),
 388
 389 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
 390         WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
 391         WM8990_RIN12VOL_SHIFT,
 392         WM8990_RIN12VOL_MASK,
 393         0,
 394         in_pga_tlv),
 395
 396 SOC_SINGLE("RIN12 ZC Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
 397         WM8990_RI12ZC_BIT, 1, 0),
 398
 399 SOC_SINGLE("RIN12 Mute Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
 400         WM8990_RI12MUTE_BIT, 1, 0),
 401
 402 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
 403         WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
 404         WM8990_RIN34VOL_SHIFT,
 405         WM8990_RIN34VOL_MASK,
 406         0,
 407         in_pga_tlv),
 408
 409 SOC_SINGLE("RIN34 ZC Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
 410         WM8990_RI34ZC_BIT, 1, 0),
 411
 412 SOC_SINGLE("RIN34 Mute Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
 413         WM8990_RI34MUTE_BIT, 1, 0),
 414
 415 };
 416
 417 /* add non dapm controls */
 418 static int wm8990_add_controls(struct snd_soc_codec *codec)
 419 {
 420         int err, i;
 421
 422         for (i = 0; i < ARRAY_SIZE(wm8990_snd_controls); i++) {
 423                 err = snd_ctl_add(codec->card,
 424                                 snd_soc_cnew(&wm8990_snd_controls[i], codec,
 425                                         NULL));
 426                 if (err < 0)
 427                         return err;
 428         }
 429         return 0;
 430 }
 431
 432 /*
 433  * _DAPM_ Controls
 434  */
 435
 436 static int inmixer_event(struct snd_soc_dapm_widget *w,
 437         struct snd_kcontrol *kcontrol, int event)
 438 {
 439         u16 reg, fakepower;
 440
 441         reg = wm8990_read_reg_cache(w->codec, WM8990_POWER_MANAGEMENT_2);
 442         fakepower = wm8990_read_reg_cache(w->codec, WM8990_INTDRIVBITS);
 443
 444         if (fakepower & ((1 << WM8990_INMIXL_PWR_BIT) |
 445                 (1 << WM8990_AINLMUX_PWR_BIT))) {
 446                 reg |= WM8990_AINL_ENA;
 447         } else {
 448                 reg &= ~WM8990_AINL_ENA;
 449         }
 450
 451         if (fakepower & ((1 << WM8990_INMIXR_PWR_BIT) |
 452                 (1 << WM8990_AINRMUX_PWR_BIT))) {
 453                 reg |= WM8990_AINR_ENA;
 454         } else {
 455                 reg &= ~WM8990_AINL_ENA;
 456         }
 457         wm8990_write(w->codec, WM8990_POWER_MANAGEMENT_2, reg);
 458
 459         return 0;
 460 }
 461
 462 static int outmixer_event(struct snd_soc_dapm_widget *w,
 463         struct snd_kcontrol *kcontrol, int event)
 464 {
 465         u32 reg_shift = kcontrol->private_value & 0xfff;
 466         int ret = 0;
 467         u16 reg;
 468
 469         switch (reg_shift) {
 470         case WM8990_SPEAKER_MIXER | (WM8990_LDSPK_BIT << 8) :
 471                 reg = wm8990_read_reg_cache(w->codec, WM8990_OUTPUT_MIXER1);
 472                 if (reg & WM8990_LDLO) {
 473                         printk(KERN_WARNING
 474                         "Cannot set as Output Mixer 1 LDLO Set\n");
 475                         ret = -1;
 476                 }
 477                 break;
 478         case WM8990_SPEAKER_MIXER | (WM8990_RDSPK_BIT << 8):
 479                 reg = wm8990_read_reg_cache(w->codec, WM8990_OUTPUT_MIXER2);
 480                 if (reg & WM8990_RDRO) {
 481                         printk(KERN_WARNING
 482                         "Cannot set as Output Mixer 2 RDRO Set\n");
 483                         ret = -1;
 484                 }
 485                 break;
 486         case WM8990_OUTPUT_MIXER1 | (WM8990_LDLO_BIT << 8):
 487                 reg = wm8990_read_reg_cache(w->codec, WM8990_SPEAKER_MIXER);
 488                 if (reg & WM8990_LDSPK) {
 489                         printk(KERN_WARNING
 490                         "Cannot set as Speaker Mixer LDSPK Set\n");
 491                         ret = -1;
 492                 }
 493                 break;
 494         case WM8990_OUTPUT_MIXER2 | (WM8990_RDRO_BIT << 8):
 495                 reg = wm8990_read_reg_cache(w->codec, WM8990_SPEAKER_MIXER);
 496                 if (reg & WM8990_RDSPK) {
 497                         printk(KERN_WARNING
 498                         "Cannot set as Speaker Mixer RDSPK Set\n");
 499                         ret = -1;
 500                 }
 501                 break;
 502         }
 503
 504         return ret;
 505 }
 506
 507 /* INMIX dB values */
 508 static const unsigned int in_mix_tlv[] = {
 509         TLV_DB_RANGE_HEAD(1),
 510         0, 7, TLV_DB_LINEAR_ITEM(-1200, 600),
 511 };
 512
 513 /* Left In PGA Connections */
 514 static const struct snd_kcontrol_new wm8990_dapm_lin12_pga_controls[] = {
 515 SOC_DAPM_SINGLE("LIN1 Switch", WM8990_INPUT_MIXER2, WM8990_LMN1_BIT, 1, 0),
 516 SOC_DAPM_SINGLE("LIN2 Switch", WM8990_INPUT_MIXER2, WM8990_LMP2_BIT, 1, 0),
 517 };
 518
 519 static const struct snd_kcontrol_new wm8990_dapm_lin34_pga_controls[] = {
 520 SOC_DAPM_SINGLE("LIN3 Switch", WM8990_INPUT_MIXER2, WM8990_LMN3_BIT, 1, 0),
 521 SOC_DAPM_SINGLE("LIN4 Switch", WM8990_INPUT_MIXER2, WM8990_LMP4_BIT, 1, 0),
 522 };
 523
 524 /* Right In PGA Connections */
 525 static const struct snd_kcontrol_new wm8990_dapm_rin12_pga_controls[] = {
 526 SOC_DAPM_SINGLE("RIN1 Switch", WM8990_INPUT_MIXER2, WM8990_RMN1_BIT, 1, 0),
 527 SOC_DAPM_SINGLE("RIN2 Switch", WM8990_INPUT_MIXER2, WM8990_RMP2_BIT, 1, 0),
 528 };
 529
 530 static const struct snd_kcontrol_new wm8990_dapm_rin34_pga_controls[] = {
 531 SOC_DAPM_SINGLE("RIN3 Switch", WM8990_INPUT_MIXER2, WM8990_RMN3_BIT, 1, 0),
 532 SOC_DAPM_SINGLE("RIN4 Switch", WM8990_INPUT_MIXER2, WM8990_RMP4_BIT, 1, 0),
 533 };
 534
 535 /* INMIXL */
 536 static const struct snd_kcontrol_new wm8990_dapm_inmixl_controls[] = {
 537 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8990_INPUT_MIXER3,
 538         WM8990_LDBVOL_SHIFT, WM8990_LDBVOL_MASK, 0, in_mix_tlv),
 539 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8990_INPUT_MIXER5, WM8990_LI2BVOL_SHIFT,
 540         7, 0, in_mix_tlv),
 541 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
 542         1, 0),
 543 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
 544         1, 0),
 545 };
 546
 547 /* INMIXR */
 548 static const struct snd_kcontrol_new wm8990_dapm_inmixr_controls[] = {
 549 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8990_INPUT_MIXER4,
 550         WM8990_RDBVOL_SHIFT, WM8990_RDBVOL_MASK, 0, in_mix_tlv),
 551 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8990_INPUT_MIXER6, WM8990_RI2BVOL_SHIFT,
 552         7, 0, in_mix_tlv),
 553 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
 554         1, 0),
 555 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
 556         1, 0),
 557 };
 558
 559 /* AINLMUX */
 560 static const char *wm8990_ainlmux[] =
 561         {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
 562
 563 static const struct soc_enum wm8990_ainlmux_enum =
 564 SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINLMODE_SHIFT,
 565         ARRAY_SIZE(wm8990_ainlmux), wm8990_ainlmux);
 566
 567 static const struct snd_kcontrol_new wm8990_dapm_ainlmux_controls =
 568 SOC_DAPM_ENUM("Route", wm8990_ainlmux_enum);
 569
 570 /* DIFFINL */
 571
 572 /* AINRMUX */
 573 static const char *wm8990_ainrmux[] =
 574         {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
 575
 576 static const struct soc_enum wm8990_ainrmux_enum =
 577 SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINRMODE_SHIFT,
 578         ARRAY_SIZE(wm8990_ainrmux), wm8990_ainrmux);
 579
 580 static const struct snd_kcontrol_new wm8990_dapm_ainrmux_controls =
 581 SOC_DAPM_ENUM("Route", wm8990_ainrmux_enum);
 582
 583 /* RXVOICE */
 584 static const struct snd_kcontrol_new wm8990_dapm_rxvoice_controls[] = {
 585 SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8990_INPUT_MIXER5, WM8990_LR4BVOL_SHIFT,
 586                         WM8990_LR4BVOL_MASK, 0, in_mix_tlv),
 587 SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8990_INPUT_MIXER6, WM8990_RL4BVOL_SHIFT,
 588                         WM8990_RL4BVOL_MASK, 0, in_mix_tlv),
 589 };
 590
 591 /* LOMIX */
 592 static const struct snd_kcontrol_new wm8990_dapm_lomix_controls[] = {
 593 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
 594         WM8990_LRBLO_BIT, 1, 0),
 595 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
 596         WM8990_LLBLO_BIT, 1, 0),
 597 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
 598         WM8990_LRI3LO_BIT, 1, 0),
 599 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
 600         WM8990_LLI3LO_BIT, 1, 0),
 601 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
 602         WM8990_LR12LO_BIT, 1, 0),
 603 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
 604         WM8990_LL12LO_BIT, 1, 0),
 605 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8990_OUTPUT_MIXER1,
 606         WM8990_LDLO_BIT, 1, 0),
 607 };
 608
 609 /* ROMIX */
 610 static const struct snd_kcontrol_new wm8990_dapm_romix_controls[] = {
 611 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
 612         WM8990_RLBRO_BIT, 1, 0),
 613 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
 614         WM8990_RRBRO_BIT, 1, 0),
 615 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
 616         WM8990_RLI3RO_BIT, 1, 0),
 617 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
 618         WM8990_RRI3RO_BIT, 1, 0),
 619 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
 620         WM8990_RL12RO_BIT, 1, 0),
 621 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
 622         WM8990_RR12RO_BIT, 1, 0),
 623 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8990_OUTPUT_MIXER2,
 624         WM8990_RDRO_BIT, 1, 0),
 625 };
 626
 627 /* LONMIX */
 628 static const struct snd_kcontrol_new wm8990_dapm_lonmix_controls[] = {
 629 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
 630         WM8990_LLOPGALON_BIT, 1, 0),
 631 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER1,
 632         WM8990_LROPGALON_BIT, 1, 0),
 633 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8990_LINE_MIXER1,
 634         WM8990_LOPLON_BIT, 1, 0),
 635 };
 636
 637 /* LOPMIX */
 638 static const struct snd_kcontrol_new wm8990_dapm_lopmix_controls[] = {
 639 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER1,
 640         WM8990_LR12LOP_BIT, 1, 0),
 641 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER1,
 642         WM8990_LL12LOP_BIT, 1, 0),
 643 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
 644         WM8990_LLOPGALOP_BIT, 1, 0),
 645 };
 646
 647 /* RONMIX */
 648 static const struct snd_kcontrol_new wm8990_dapm_ronmix_controls[] = {
 649 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
 650         WM8990_RROPGARON_BIT, 1, 0),
 651 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER2,
 652         WM8990_RLOPGARON_BIT, 1, 0),
 653 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8990_LINE_MIXER2,
 654         WM8990_ROPRON_BIT, 1, 0),
 655 };
 656
 657 /* ROPMIX */
 658 static const struct snd_kcontrol_new wm8990_dapm_ropmix_controls[] = {
 659 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER2,
 660         WM8990_RL12ROP_BIT, 1, 0),
 661 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER2,
 662         WM8990_RR12ROP_BIT, 1, 0),
 663 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
 664         WM8990_RROPGAROP_BIT, 1, 0),
 665 };
 666
 667 /* OUT3MIX */
 668 static const struct snd_kcontrol_new wm8990_dapm_out3mix_controls[] = {
 669 SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
 670         WM8990_LI4O3_BIT, 1, 0),
 671 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8990_OUT3_4_MIXER,
 672         WM8990_LPGAO3_BIT, 1, 0),
 673 };
 674
 675 /* OUT4MIX */
 676 static const struct snd_kcontrol_new wm8990_dapm_out4mix_controls[] = {
 677 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8990_OUT3_4_MIXER,
 678         WM8990_RPGAO4_BIT, 1, 0),
 679 SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
 680         WM8990_RI4O4_BIT, 1, 0),
 681 };
 682
 683 /* SPKMIX */
 684 static const struct snd_kcontrol_new wm8990_dapm_spkmix_controls[] = {
 685 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
 686         WM8990_LI2SPK_BIT, 1, 0),
 687 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8990_SPEAKER_MIXER,
 688         WM8990_LB2SPK_BIT, 1, 0),
 689 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8990_SPEAKER_MIXER,
 690         WM8990_LOPGASPK_BIT, 1, 0),
 691 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8990_SPEAKER_MIXER,
 692         WM8990_LDSPK_BIT, 1, 0),
 693 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8990_SPEAKER_MIXER,
 694         WM8990_RDSPK_BIT, 1, 0),
 695 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8990_SPEAKER_MIXER,
 696         WM8990_ROPGASPK_BIT, 1, 0),
 697 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8990_SPEAKER_MIXER,
 698         WM8990_RL12ROP_BIT, 1, 0),
 699 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
 700         WM8990_RI2SPK_BIT, 1, 0),
 701 };
 702
 703 static const struct snd_soc_dapm_widget wm8990_dapm_widgets[] = {
 704 /* Input Side */
 705 /* Input Lines */
 706 SND_SOC_DAPM_INPUT("LIN1"),
 707 SND_SOC_DAPM_INPUT("LIN2"),
 708 SND_SOC_DAPM_INPUT("LIN3"),
 709 SND_SOC_DAPM_INPUT("LIN4/RXN"),
 710 SND_SOC_DAPM_INPUT("RIN3"),
 711 SND_SOC_DAPM_INPUT("RIN4/RXP"),
 712 SND_SOC_DAPM_INPUT("RIN1"),
 713 SND_SOC_DAPM_INPUT("RIN2"),
 714 SND_SOC_DAPM_INPUT("Internal ADC Source"),
 715
 716 /* DACs */
 717 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8990_POWER_MANAGEMENT_2,
 718         WM8990_ADCL_ENA_BIT, 0),
 719 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8990_POWER_MANAGEMENT_2,
 720         WM8990_ADCR_ENA_BIT, 0),
 721
 722 /* Input PGAs */
 723 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN12_ENA_BIT,
 724         0, &wm8990_dapm_lin12_pga_controls[0],
 725         ARRAY_SIZE(wm8990_dapm_lin12_pga_controls)),
 726 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN34_ENA_BIT,
 727         0, &wm8990_dapm_lin34_pga_controls[0],
 728         ARRAY_SIZE(wm8990_dapm_lin34_pga_controls)),
 729 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN12_ENA_BIT,
 730         0, &wm8990_dapm_rin12_pga_controls[0],
 731         ARRAY_SIZE(wm8990_dapm_rin12_pga_controls)),
 732 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN34_ENA_BIT,
 733         0, &wm8990_dapm_rin34_pga_controls[0],
 734         ARRAY_SIZE(wm8990_dapm_rin34_pga_controls)),
 735
 736 /* INMIXL */
 737 SND_SOC_DAPM_MIXER_E("INMIXL", WM8990_INTDRIVBITS, WM8990_INMIXL_PWR_BIT, 0,
 738         &wm8990_dapm_inmixl_controls[0],
 739         ARRAY_SIZE(wm8990_dapm_inmixl_controls),
 740         inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 741
 742 /* AINLMUX */
 743 SND_SOC_DAPM_MUX_E("AILNMUX", WM8990_INTDRIVBITS, WM8990_AINLMUX_PWR_BIT, 0,
 744         &wm8990_dapm_ainlmux_controls, inmixer_event,
 745         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 746
 747 /* INMIXR */
 748 SND_SOC_DAPM_MIXER_E("INMIXR", WM8990_INTDRIVBITS, WM8990_INMIXR_PWR_BIT, 0,
 749         &wm8990_dapm_inmixr_controls[0],
 750         ARRAY_SIZE(wm8990_dapm_inmixr_controls),
 751         inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 752
 753 /* AINRMUX */
 754 SND_SOC_DAPM_MUX_E("AIRNMUX", WM8990_INTDRIVBITS, WM8990_AINRMUX_PWR_BIT, 0,
 755         &wm8990_dapm_ainrmux_controls, inmixer_event,
 756         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 757
 758 /* Output Side */
 759 /* DACs */
 760 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8990_POWER_MANAGEMENT_3,
 761         WM8990_DACL_ENA_BIT, 0),
 762 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8990_POWER_MANAGEMENT_3,
 763         WM8990_DACR_ENA_BIT, 0),
 764
 765 /* LOMIX */
 766 SND_SOC_DAPM_MIXER_E("LOMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOMIX_ENA_BIT,
 767         0, &wm8990_dapm_lomix_controls[0],
 768         ARRAY_SIZE(wm8990_dapm_lomix_controls),
 769         outmixer_event, SND_SOC_DAPM_PRE_REG),
 770
 771 /* LONMIX */
 772 SND_SOC_DAPM_MIXER("LONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LON_ENA_BIT, 0,
 773         &wm8990_dapm_lonmix_controls[0],
 774         ARRAY_SIZE(wm8990_dapm_lonmix_controls)),
 775
 776 /* LOPMIX */
 777 SND_SOC_DAPM_MIXER("LOPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOP_ENA_BIT, 0,
 778         &wm8990_dapm_lopmix_controls[0],
 779         ARRAY_SIZE(wm8990_dapm_lopmix_controls)),
 780
 781 /* OUT3MIX */
 782 SND_SOC_DAPM_MIXER("OUT3MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT3_ENA_BIT, 0,
 783         &wm8990_dapm_out3mix_controls[0],
 784         ARRAY_SIZE(wm8990_dapm_out3mix_controls)),
 785
 786 /* SPKMIX */
 787 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8990_POWER_MANAGEMENT_1, WM8990_SPK_ENA_BIT, 0,
 788         &wm8990_dapm_spkmix_controls[0],
 789         ARRAY_SIZE(wm8990_dapm_spkmix_controls), outmixer_event,
 790         SND_SOC_DAPM_PRE_REG),
 791
 792 /* OUT4MIX */
 793 SND_SOC_DAPM_MIXER("OUT4MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT4_ENA_BIT, 0,
 794         &wm8990_dapm_out4mix_controls[0],
 795         ARRAY_SIZE(wm8990_dapm_out4mix_controls)),
 796
 797 /* ROPMIX */
 798 SND_SOC_DAPM_MIXER("ROPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROP_ENA_BIT, 0,
 799         &wm8990_dapm_ropmix_controls[0],
 800         ARRAY_SIZE(wm8990_dapm_ropmix_controls)),
 801
 802 /* RONMIX */
 803 SND_SOC_DAPM_MIXER("RONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_RON_ENA_BIT, 0,
 804         &wm8990_dapm_ronmix_controls[0],
 805         ARRAY_SIZE(wm8990_dapm_ronmix_controls)),
 806
 807 /* ROMIX */
 808 SND_SOC_DAPM_MIXER_E("ROMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROMIX_ENA_BIT,
 809         0, &wm8990_dapm_romix_controls[0],
 810         ARRAY_SIZE(wm8990_dapm_romix_controls),
 811         outmixer_event, SND_SOC_DAPM_PRE_REG),
 812
 813 /* LOUT PGA */
 814 SND_SOC_DAPM_PGA("LOUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_LOUT_ENA_BIT, 0,
 815         NULL, 0),
 816
 817 /* ROUT PGA */
 818 SND_SOC_DAPM_PGA("ROUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_ROUT_ENA_BIT, 0,
 819         NULL, 0),
 820
 821 /* LOPGA */
 822 SND_SOC_DAPM_PGA("LOPGA", WM8990_POWER_MANAGEMENT_3, WM8990_LOPGA_ENA_BIT, 0,
 823         NULL, 0),
 824
 825 /* ROPGA */
 826 SND_SOC_DAPM_PGA("ROPGA", WM8990_POWER_MANAGEMENT_3, WM8990_ROPGA_ENA_BIT, 0,
 827         NULL, 0),
 828
 829 /* MICBIAS */
 830 SND_SOC_DAPM_MICBIAS("MICBIAS", WM8990_POWER_MANAGEMENT_1,
 831         WM8990_MICBIAS_ENA_BIT, 0),
 832
 833 SND_SOC_DAPM_OUTPUT("LON"),
 834 SND_SOC_DAPM_OUTPUT("LOP"),
 835 SND_SOC_DAPM_OUTPUT("OUT3"),
 836 SND_SOC_DAPM_OUTPUT("LOUT"),
 837 SND_SOC_DAPM_OUTPUT("SPKN"),
 838 SND_SOC_DAPM_OUTPUT("SPKP"),
 839 SND_SOC_DAPM_OUTPUT("ROUT"),
 840 SND_SOC_DAPM_OUTPUT("OUT4"),
 841 SND_SOC_DAPM_OUTPUT("ROP"),
 842 SND_SOC_DAPM_OUTPUT("RON"),
 843
 844 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
 845 };
 846
 847 static const struct snd_soc_dapm_route audio_map[] = {
 848         /* Make DACs turn on when playing even if not mixed into any outputs */
 849         {"Internal DAC Sink", NULL, "Left DAC"},
 850         {"Internal DAC Sink", NULL, "Right DAC"},
 851
 852         /* Make ADCs turn on when recording even if not mixed from any inputs */
 853         {"Left ADC", NULL, "Internal ADC Source"},
 854         {"Right ADC", NULL, "Internal ADC Source"},
 855
 856         /* Input Side */
 857         /* LIN12 PGA */
 858         {"LIN12 PGA", "LIN1 Switch", "LIN1"},
 859         {"LIN12 PGA", "LIN2 Switch", "LIN2"},
 860         /* LIN34 PGA */
 861         {"LIN34 PGA", "LIN3 Switch", "LIN3"},
 862         {"LIN34 PGA", "LIN4 Switch", "LIN4"},
 863         /* INMIXL */
 864         {"INMIXL", "Record Left Volume", "LOMIX"},
 865         {"INMIXL", "LIN2 Volume", "LIN2"},
 866         {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
 867         {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
 868         /* AILNMUX */
 869         {"AILNMUX", "INMIXL Mix", "INMIXL"},
 870         {"AILNMUX", "DIFFINL Mix", "LIN12PGA"},
 871         {"AILNMUX", "DIFFINL Mix", "LIN34PGA"},
 872         {"AILNMUX", "RXVOICE Mix", "LIN4/RXN"},
 873         {"AILNMUX", "RXVOICE Mix", "RIN4/RXP"},
 874         /* ADC */
 875         {"Left ADC", NULL, "AILNMUX"},
 876
 877         /* RIN12 PGA */
 878         {"RIN12 PGA", "RIN1 Switch", "RIN1"},
 879         {"RIN12 PGA", "RIN2 Switch", "RIN2"},
 880         /* RIN34 PGA */
 881         {"RIN34 PGA", "RIN3 Switch", "RIN3"},
 882         {"RIN34 PGA", "RIN4 Switch", "RIN4"},
 883         /* INMIXL */
 884         {"INMIXR", "Record Right Volume", "ROMIX"},
 885         {"INMIXR", "RIN2 Volume", "RIN2"},
 886         {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
 887         {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
 888         /* AIRNMUX */
 889         {"AIRNMUX", "INMIXR Mix", "INMIXR"},
 890         {"AIRNMUX", "DIFFINR Mix", "RIN12PGA"},
 891         {"AIRNMUX", "DIFFINR Mix", "RIN34PGA"},
 892         {"AIRNMUX", "RXVOICE Mix", "RIN4/RXN"},
 893         {"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"},
 894         /* ADC */
 895         {"Right ADC", NULL, "AIRNMUX"},
 896
 897         /* LOMIX */
 898         {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
 899         {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
 900         {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 901         {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 902         {"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
 903         {"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
 904         {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
 905
 906         /* ROMIX */
 907         {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
 908         {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
 909         {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 910         {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 911         {"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
 912         {"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
 913         {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
 914
 915         /* SPKMIX */
 916         {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
 917         {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
 918         {"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
 919         {"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
 920         {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
 921         {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
 922         {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
 923         {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
 924
 925         /* LONMIX */
 926         {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
 927         {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
 928         {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
 929
 930         /* LOPMIX */
 931         {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 932         {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 933         {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
 934
 935         /* OUT3MIX */
 936         {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXP"},
 937         {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
 938
 939         /* OUT4MIX */
 940         {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
 941         {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
 942
 943         /* RONMIX */
 944         {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
 945         {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
 946         {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
 947
 948         /* ROPMIX */
 949         {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 950         {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 951         {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
 952
 953         /* Out Mixer PGAs */
 954         {"LOPGA", NULL, "LOMIX"},
 955         {"ROPGA", NULL, "ROMIX"},
 956
 957         {"LOUT PGA", NULL, "LOMIX"},
 958         {"ROUT PGA", NULL, "ROMIX"},
 959
 960         /* Output Pins */
 961         {"LON", NULL, "LONMIX"},
 962         {"LOP", NULL, "LOPMIX"},
 963         {"OUT", NULL, "OUT3MIX"},
 964         {"LOUT", NULL, "LOUT PGA"},
 965         {"SPKN", NULL, "SPKMIX"},
 966         {"ROUT", NULL, "ROUT PGA"},
 967         {"OUT4", NULL, "OUT4MIX"},
 968         {"ROP", NULL, "ROPMIX"},
 969         {"RON", NULL, "RONMIX"},
 970 };
 971
 972 static int wm8990_add_widgets(struct snd_soc_codec *codec)
 973 {
 974         snd_soc_dapm_new_controls(codec, wm8990_dapm_widgets,
 975                                   ARRAY_SIZE(wm8990_dapm_widgets));
 976
 977         /* set up the WM8990 audio map */
 978         snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
 979
 980         snd_soc_dapm_new_widgets(codec);
 981         return 0;
 982 }
 983
 984 /* PLL divisors */
 985 struct _pll_div {
 986         u32 div2;
 987         u32 n;
 988         u32 k;
 989 };
 990
 991 /* The size in bits of the pll divide multiplied by 10
 992  * to allow rounding later */
 993 #define FIXED_PLL_SIZE ((1 << 16) * 10)
 994
 995 static void pll_factors(struct _pll_div *pll_div, unsigned int target,
 996         unsigned int source)
 997 {
 998         u64 Kpart;
 999         unsigned int K, Ndiv, Nmod;
1000
1001
1002         Ndiv = target / source;
1003         if (Ndiv < 6) {
1004                 source >>= 1;
1005                 pll_div->div2 = 1;
1006                 Ndiv = target / source;
1007         } else
1008                 pll_div->div2 = 0;
1009
1010         if ((Ndiv < 6) || (Ndiv > 12))
1011                 printk(KERN_WARNING
1012                 "WM8990 N value outwith recommended range! N = %d\n", Ndiv);
1013
1014         pll_div->n = Ndiv;
1015         Nmod = target % source;
1016         Kpart = FIXED_PLL_SIZE * (long long)Nmod;
1017
1018         do_div(Kpart, source);
1019
1020         K = Kpart & 0xFFFFFFFF;
1021
1022         /* Check if we need to round */
1023         if ((K % 10) >= 5)
1024                 K += 5;
1025
1026         /* Move down to proper range now rounding is done */
1027         K /= 10;
1028
1029         pll_div->k = K;
1030 }
1031
1032 static int wm8990_set_dai_pll(struct snd_soc_dai *codec_dai,
1033                 int pll_id, unsigned int freq_in, unsigned int freq_out)
1034 {
1035         u16 reg;
1036         struct snd_soc_codec *codec = codec_dai->codec;
1037         struct _pll_div pll_div;
1038
1039         if (freq_in && freq_out) {
1040                 pll_factors(&pll_div, freq_out * 4, freq_in);
1041
1042                 /* Turn on PLL */
1043                 reg = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_2);
1044                 reg |= WM8990_PLL_ENA;
1045                 wm8990_write(codec, WM8990_POWER_MANAGEMENT_2, reg);
1046
1047                 /* sysclk comes from PLL */
1048                 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2);
1049                 wm8990_write(codec, WM8990_CLOCKING_2, reg | WM8990_SYSCLK_SRC);
1050
1051                 /* set up N , fractional mode and pre-divisor if neccessary */
1052                 wm8990_write(codec, WM8990_PLL1, pll_div.n | WM8990_SDM |
1053                         (pll_div.div2?WM8990_PRESCALE:0));
1054                 wm8990_write(codec, WM8990_PLL2, (u8)(pll_div.k>>8));
1055                 wm8990_write(codec, WM8990_PLL3, (u8)(pll_div.k & 0xFF));
1056         } else {
1057                 /* Turn on PLL */
1058                 reg = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_2);
1059                 reg &= ~WM8990_PLL_ENA;
1060                 wm8990_write(codec, WM8990_POWER_MANAGEMENT_2, reg);
1061         }
1062         return 0;
1063 }
1064
1065 /*
1066  * Clock after PLL and dividers
1067  */
1068 static int wm8990_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1069                 int clk_id, unsigned int freq, int dir)
1070 {
1071         struct snd_soc_codec *codec = codec_dai->codec;
1072         struct wm8990_priv *wm8990 = codec->private_data;
1073
1074         wm8990->sysclk = freq;
1075         return 0;
1076 }
1077
1078 /*
1079  * Set's ADC and Voice DAC format.
1080  */
1081 static int wm8990_set_dai_fmt(struct snd_soc_dai *codec_dai,
1082                 unsigned int fmt)
1083 {
1084         struct snd_soc_codec *codec = codec_dai->codec;
1085         u16 audio1, audio3;
1086
1087         audio1 = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_1);
1088         audio3 = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_3);
1089
1090         /* set master/slave audio interface */
1091         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1092         case SND_SOC_DAIFMT_CBS_CFS:
1093                 audio3 &= ~WM8990_AIF_MSTR1;
1094                 break;
1095         case SND_SOC_DAIFMT_CBM_CFM:
1096                 audio3 |= WM8990_AIF_MSTR1;
1097                 break;
1098         default:
1099                 return -EINVAL;
1100         }
1101
1102         audio1 &= ~WM8990_AIF_FMT_MASK;
1103
1104         /* interface format */
1105         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1106         case SND_SOC_DAIFMT_I2S:
1107                 audio1 |= WM8990_AIF_TMF_I2S;
1108                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1109                 break;
1110         case SND_SOC_DAIFMT_RIGHT_J:
1111                 audio1 |= WM8990_AIF_TMF_RIGHTJ;
1112                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1113                 break;
1114         case SND_SOC_DAIFMT_LEFT_J:
1115                 audio1 |= WM8990_AIF_TMF_LEFTJ;
1116                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1117                 break;
1118         case SND_SOC_DAIFMT_DSP_A:
1119                 audio1 |= WM8990_AIF_TMF_DSP;
1120                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1121                 break;
1122         case SND_SOC_DAIFMT_DSP_B:
1123                 audio1 |= WM8990_AIF_TMF_DSP | WM8990_AIF_LRCLK_INV;
1124                 break;
1125         default:
1126                 return -EINVAL;
1127         }
1128
1129         wm8990_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
1130         wm8990_write(codec, WM8990_AUDIO_INTERFACE_3, audio3);
1131         return 0;
1132 }
1133
1134 static int wm8990_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1135                 int div_id, int div)
1136 {
1137         struct snd_soc_codec *codec = codec_dai->codec;
1138         u16 reg;
1139
1140         switch (div_id) {
1141         case WM8990_MCLK_DIV:
1142                 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2) &
1143                         ~WM8990_MCLK_DIV_MASK;
1144                 wm8990_write(codec, WM8990_CLOCKING_2, reg | div);
1145                 break;
1146         case WM8990_DACCLK_DIV:
1147                 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2) &
1148                         ~WM8990_DAC_CLKDIV_MASK;
1149                 wm8990_write(codec, WM8990_CLOCKING_2, reg | div);
1150                 break;
1151         case WM8990_ADCCLK_DIV:
1152                 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2) &
1153                         ~WM8990_ADC_CLKDIV_MASK;
1154                 wm8990_write(codec, WM8990_CLOCKING_2, reg | div);
1155                 break;
1156         case WM8990_BCLK_DIV:
1157                 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_1) &
1158                         ~WM8990_BCLK_DIV_MASK;
1159                 wm8990_write(codec, WM8990_CLOCKING_1, reg | div);
1160                 break;
1161         default:
1162                 return -EINVAL;
1163         }
1164
1165         return 0;
1166 }
1167
1168 /*
1169  * Set PCM DAI bit size and sample rate.
1170  */
1171 static int wm8990_hw_params(struct snd_pcm_substream *substream,
1172         struct snd_pcm_hw_params *params)
1173 {
1174         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1175         struct snd_soc_device *socdev = rtd->socdev;
1176         struct snd_soc_codec *codec = socdev->codec;
1177         u16 audio1 = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_1);
1178
1179         audio1 &= ~WM8990_AIF_WL_MASK;
1180         /* bit size */
1181         switch (params_format(params)) {
1182         case SNDRV_PCM_FORMAT_S16_LE:
1183                 break;
1184         case SNDRV_PCM_FORMAT_S20_3LE:
1185                 audio1 |= WM8990_AIF_WL_20BITS;
1186                 break;
1187         case SNDRV_PCM_FORMAT_S24_LE:
1188                 audio1 |= WM8990_AIF_WL_24BITS;
1189                 break;
1190         case SNDRV_PCM_FORMAT_S32_LE:
1191                 audio1 |= WM8990_AIF_WL_32BITS;
1192                 break;
1193         }
1194
1195         wm8990_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
1196         return 0;
1197 }
1198
1199 static int wm8990_mute(struct snd_soc_dai *dai, int mute)
1200 {
1201         struct snd_soc_codec *codec = dai->codec;
1202         u16 val;
1203
1204         val  = wm8990_read_reg_cache(codec, WM8990_DAC_CTRL) & ~WM8990_DAC_MUTE;
1205
1206         if (mute)
1207                 wm8990_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1208         else
1209                 wm8990_write(codec, WM8990_DAC_CTRL, val);
1210
1211         return 0;
1212 }
1213
1214 static int wm8990_set_bias_level(struct snd_soc_codec *codec,
1215         enum snd_soc_bias_level level)
1216 {
1217         u16 val;
1218
1219         switch (level) {
1220         case SND_SOC_BIAS_ON:
1221                 break;
1222         case SND_SOC_BIAS_PREPARE:
1223                 break;
1224         case SND_SOC_BIAS_STANDBY:
1225                 if (codec->bias_level == SND_SOC_BIAS_OFF) {
1226                         /* Enable all output discharge bits */
1227                         wm8990_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1228                                 WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1229                                 WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1230                                 WM8990_DIS_ROUT);
1231
1232                         /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1233                         wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1234                                      WM8990_BUFDCOPEN | WM8990_POBCTRL |
1235                                      WM8990_VMIDTOG);
1236
1237                         /* Delay to allow output caps to discharge */
1238                         msleep(msecs_to_jiffies(300));
1239
1240                         /* Disable VMIDTOG */
1241                         wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1242                                      WM8990_BUFDCOPEN | WM8990_POBCTRL);
1243
1244                         /* disable all output discharge bits */
1245                         wm8990_write(codec, WM8990_ANTIPOP1, 0);
1246
1247                         /* Enable outputs */
1248                         wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1b00);
1249
1250                         msleep(msecs_to_jiffies(50));
1251
1252                         /* Enable VMID at 2x50k */
1253                         wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f02);
1254
1255                         msleep(msecs_to_jiffies(100));
1256
1257                         /* Enable VREF */
1258                         wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1259
1260                         msleep(msecs_to_jiffies(600));
1261
1262                         /* Enable BUFIOEN */
1263                         wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1264                                      WM8990_BUFDCOPEN | WM8990_POBCTRL |
1265                                      WM8990_BUFIOEN);
1266
1267                         /* Disable outputs */
1268                         wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x3);
1269
1270                         /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1271                         wm8990_write(codec, WM8990_ANTIPOP2, WM8990_BUFIOEN);
1272                 } else {
1273                         /* ON -> standby */
1274
1275                 }
1276                 break;
1277
1278         case SND_SOC_BIAS_OFF:
1279                 /* Enable POBCTRL and SOFT_ST */
1280                 wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1281                         WM8990_POBCTRL | WM8990_BUFIOEN);
1282
1283                 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1284                 wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1285                         WM8990_BUFDCOPEN | WM8990_POBCTRL |
1286                         WM8990_BUFIOEN);
1287
1288                 /* mute DAC */
1289                 val = wm8990_read_reg_cache(codec, WM8990_DAC_CTRL);
1290                 wm8990_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1291
1292                 /* Enable any disabled outputs */
1293                 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1294
1295                 /* Disable VMID */
1296                 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f01);
1297
1298                 msleep(msecs_to_jiffies(300));
1299
1300                 /* Enable all output discharge bits */
1301                 wm8990_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1302                         WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1303                         WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1304                         WM8990_DIS_ROUT);
1305
1306                 /* Disable VREF */
1307                 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x0);
1308
1309                 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1310                 wm8990_write(codec, WM8990_ANTIPOP2, 0x0);
1311                 break;
1312         }
1313
1314         codec->bias_level = level;
1315         return 0;
1316 }
1317
1318 #define WM8990_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1319         SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
1320         SNDRV_PCM_RATE_48000)
1321
1322 #define WM8990_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1323         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1324
1325 /*
1326  * The WM8990 supports 2 different and mutually exclusive DAI
1327  * configurations.
1328  *
1329  * 1. ADC/DAC on Primary Interface
1330  * 2. ADC on Primary Interface/DAC on secondary
1331  */
1332 struct snd_soc_dai wm8990_dai = {
1333 /* ADC/DAC on primary */
1334         .name = "WM8990 ADC/DAC Primary",
1335         .id = 1,
1336         .playback = {
1337                 .stream_name = "Playback",
1338                 .channels_min = 1,
1339                 .channels_max = 2,
1340                 .rates = WM8990_RATES,
1341                 .formats = WM8990_FORMATS,},
1342         .capture = {
1343                 .stream_name = "Capture",
1344                 .channels_min = 1,
1345                 .channels_max = 2,
1346                 .rates = WM8990_RATES,
1347                 .formats = WM8990_FORMATS,},
1348         .ops = {
1349                 .hw_params = wm8990_hw_params,},
1350         .dai_ops = {
1351                 .digital_mute = wm8990_mute,
1352                 .set_fmt = wm8990_set_dai_fmt,
1353                 .set_clkdiv = wm8990_set_dai_clkdiv,
1354                 .set_pll = wm8990_set_dai_pll,
1355                 .set_sysclk = wm8990_set_dai_sysclk,
1356         },
1357 };
1358 EXPORT_SYMBOL_GPL(wm8990_dai);
1359
1360 static int wm8990_suspend(struct platform_device *pdev, pm_message_t state)
1361 {
1362         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1363         struct snd_soc_codec *codec = socdev->codec;
1364
1365         /* we only need to suspend if we are a valid card */
1366         if (!codec->card)
1367                 return 0;
1368
1369         wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
1370         return 0;
1371 }
1372
1373 static int wm8990_resume(struct platform_device *pdev)
1374 {
1375         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1376         struct snd_soc_codec *codec = socdev->codec;
1377         int i;
1378         u8 data[2];
1379         u16 *cache = codec->reg_cache;
1380
1381         /* we only need to resume if we are a valid card */
1382         if (!codec->card)
1383                 return 0;
1384
1385         /* Sync reg_cache with the hardware */
1386         for (i = 0; i < ARRAY_SIZE(wm8990_reg); i++) {
1387                 if (i + 1 == WM8990_RESET)
1388                         continue;
1389                 data[0] = ((i + 1) << 1) | ((cache[i] >> 8) & 0x0001);
1390                 data[1] = cache[i] & 0x00ff;
1391                 codec->hw_write(codec->control_data, data, 2);
1392         }
1393
1394         wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1395         return 0;
1396 }
1397
1398 /*
1399  * initialise the WM8990 driver
1400  * register the mixer and dsp interfaces with the kernel
1401  */
1402 static int wm8990_init(struct snd_soc_device *socdev)
1403 {
1404         struct snd_soc_codec *codec = socdev->codec;
1405         u16 reg;
1406         int ret = 0;
1407
1408         codec->name = "WM8990";
1409         codec->owner = THIS_MODULE;
1410         codec->read = wm8990_read_reg_cache;
1411         codec->write = wm8990_write;
1412         codec->set_bias_level = wm8990_set_bias_level;
1413         codec->dai = &wm8990_dai;
1414         codec->num_dai = 2;
1415         codec->reg_cache_size = ARRAY_SIZE(wm8990_reg);
1416         codec->reg_cache = kmemdup(wm8990_reg, sizeof(wm8990_reg), GFP_KERNEL);
1417
1418         if (codec->reg_cache == NULL)
1419                 return -ENOMEM;
1420
1421         wm8990_reset(codec);
1422
1423         /* register pcms */
1424         ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
1425         if (ret < 0) {
1426                 printk(KERN_ERR "wm8990: failed to create pcms\n");
1427                 goto pcm_err;
1428         }
1429
1430         /* charge output caps */
1431         codec->bias_level = SND_SOC_BIAS_OFF;
1432         wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1433
1434         reg = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_4);
1435         wm8990_write(codec, WM8990_AUDIO_INTERFACE_4, reg | WM8990_ALRCGPIO1);
1436
1437         reg = wm8990_read_reg_cache(codec, WM8990_GPIO1_GPIO2) &
1438                 ~WM8990_GPIO1_SEL_MASK;
1439         wm8990_write(codec, WM8990_GPIO1_GPIO2, reg | 1);
1440
1441         reg = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_2);
1442         wm8990_write(codec, WM8990_POWER_MANAGEMENT_2, reg | WM8990_OPCLK_ENA);
1443
1444         wm8990_write(codec, WM8990_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1445         wm8990_write(codec, WM8990_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1446
1447         wm8990_add_controls(codec);
1448         wm8990_add_widgets(codec);
1449         ret = snd_soc_register_card(socdev);
1450         if (ret < 0) {
1451                 printk(KERN_ERR "wm8990: failed to register card\n");
1452                 goto card_err;
1453         }
1454         return ret;
1455
1456 card_err:
1457         snd_soc_free_pcms(socdev);
1458         snd_soc_dapm_free(socdev);
1459 pcm_err:
1460         kfree(codec->reg_cache);
1461         return ret;
1462 }
1463
1464 /* If the i2c layer weren't so broken, we could pass this kind of data
1465    around */
1466 static struct snd_soc_device *wm8990_socdev;
1467
1468 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1469
1470 /*
1471  * WM891 2 wire address is determined by GPIO5
1472  * state during powerup.
1473  *    low  = 0x34
1474  *    high = 0x36
1475  */
1476 static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
1477
1478 /* Magic definition of all other variables and things */
1479 I2C_CLIENT_INSMOD;
1480
1481 static struct i2c_driver wm8990_i2c_driver;
1482 static struct i2c_client client_template;
1483
1484 static int wm8990_codec_probe(struct i2c_adapter *adap, int addr, int kind)
1485 {
1486         struct snd_soc_device *socdev = wm8990_socdev;
1487         struct wm8990_setup_data *setup = socdev->codec_data;
1488         struct snd_soc_codec *codec = socdev->codec;
1489         struct i2c_client *i2c;
1490         int ret;
1491
1492         if (addr != setup->i2c_address)
1493                 return -ENODEV;
1494
1495         client_template.adapter = adap;
1496         client_template.addr = addr;
1497
1498         i2c =  kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
1499         if (i2c == NULL) {
1500                 kfree(codec);
1501                 return -ENOMEM;
1502         }
1503         i2c_set_clientdata(i2c, codec);
1504         codec->control_data = i2c;
1505
1506         ret = i2c_attach_client(i2c);
1507         if (ret < 0) {
1508                 pr_err("failed to attach codec at addr %x\n", addr);
1509                 goto err;
1510         }
1511
1512         ret = wm8990_init(socdev);
1513         if (ret < 0) {
1514                 pr_err("failed to initialise WM8990\n");
1515                 goto err;
1516         }
1517         return ret;
1518
1519 err:
1520         kfree(codec);
1521         kfree(i2c);
1522         return ret;
1523 }
1524
1525 static int wm8990_i2c_detach(struct i2c_client *client)
1526 {
1527         struct snd_soc_codec *codec = i2c_get_clientdata(client);
1528         i2c_detach_client(client);
1529         kfree(codec->reg_cache);
1530         kfree(client);
1531         return 0;
1532 }
1533
1534 static int wm8990_i2c_attach(struct i2c_adapter *adap)
1535 {
1536         return i2c_probe(adap, &addr_data, wm8990_codec_probe);
1537 }
1538
1539 static struct i2c_driver wm8990_i2c_driver = {
1540         .driver = {
1541                 .name = "WM8990 I2C Codec",
1542                 .owner = THIS_MODULE,
1543         },
1544         .attach_adapter = wm8990_i2c_attach,
1545         .detach_client =  wm8990_i2c_detach,
1546         .command =        NULL,
1547 };
1548
1549 static struct i2c_client client_template = {
1550         .name =   "WM8990",
1551         .driver = &wm8990_i2c_driver,
1552 };
1553 #endif
1554
1555 static int wm8990_probe(struct platform_device *pdev)
1556 {
1557         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1558         struct wm8990_setup_data *setup;
1559         struct snd_soc_codec *codec;
1560         struct wm8990_priv *wm8990;
1561         int ret = 0;
1562
1563         pr_info("WM8990 Audio Codec %s\n", WM8990_VERSION);
1564
1565         setup = socdev->codec_data;
1566         codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
1567         if (codec == NULL)
1568                 return -ENOMEM;
1569
1570         wm8990 = kzalloc(sizeof(struct wm8990_priv), GFP_KERNEL);
1571         if (wm8990 == NULL) {
1572                 kfree(codec);
1573                 return -ENOMEM;
1574         }
1575
1576         codec->private_data = wm8990;
1577         socdev->codec = codec;
1578         mutex_init(&codec->mutex);
1579         INIT_LIST_HEAD(&codec->dapm_widgets);
1580         INIT_LIST_HEAD(&codec->dapm_paths);
1581         wm8990_socdev = socdev;
1582
1583 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1584         if (setup->i2c_address) {
1585                 normal_i2c[0] = setup->i2c_address;
1586                 codec->hw_write = (hw_write_t)i2c_master_send;
1587                 ret = i2c_add_driver(&wm8990_i2c_driver);
1588                 if (ret != 0)
1589                         printk(KERN_ERR "can't add i2c driver");
1590         }
1591 #else
1592                 /* Add other interfaces here */
1593 #endif
1594         return ret;
1595 }
1596
1597 /* power down chip */
1598 static int wm8990_remove(struct platform_device *pdev)
1599 {
1600         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1601         struct snd_soc_codec *codec = socdev->codec;
1602
1603         if (codec->control_data)
1604                 wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
1605         snd_soc_free_pcms(socdev);
1606         snd_soc_dapm_free(socdev);
1607 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1608         i2c_del_driver(&wm8990_i2c_driver);
1609 #endif
1610         kfree(codec->private_data);
1611         kfree(codec);
1612
1613         return 0;
1614 }
1615
1616 struct snd_soc_codec_device soc_codec_dev_wm8990 = {
1617         .probe =        wm8990_probe,
1618         .remove =       wm8990_remove,
1619         .suspend =      wm8990_suspend,
1620         .resume =       wm8990_resume,
1621 };
1622 EXPORT_SYMBOL_GPL(soc_codec_dev_wm8990);
1623
1624 MODULE_DESCRIPTION("ASoC WM8990 driver");
1625 MODULE_AUTHOR("Liam Girdwood");
1626 MODULE_LICENSE("GPL");