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 <lrg@slimlogic.co.uk>
   6  *
   7  *  This program is free software; you can redistribute  it and/or modify it
   8  *  under  the terms of  the GNU General  Public License as published by the
   9  *  Free Software Foundation;  either version 2 of the  License, or (at your
  10  *  option) any later version.
  11  */
  12
  13 #include <linux/module.h>
  14 #include <linux/moduleparam.h>
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/delay.h>
  18 #include <linux/pm.h>
  19 #include <linux/i2c.h>
  20 #include <linux/platform_device.h>
  21 #include <sound/core.h>
  22 #include <sound/pcm.h>
  23 #include <sound/pcm_params.h>
  24 #include <sound/soc.h>
  25 #include <sound/soc-dapm.h>
  26 #include <sound/initval.h>
  27 #include <sound/tlv.h>
  28 #include <asm/div64.h>
  29
  30 #include "wm8990.h"
  31
  32 #define WM8990_VERSION "0.2"
  33
  34 /* codec private data */
  35 struct wm8990_priv {
  36         unsigned int sysclk;
  37         unsigned int pcmclk;
  38 };
  39
  40 /*
  41  * wm8990 register cache.  Note that register 0 is not included in the
  42  * cache.
  43  */
  44 static const u16 wm8990_reg[] = {
  45         0x8990,     /* R0  - Reset */
  46         0x0000,     /* R1  - Power Management (1) */
  47         0x6000,     /* R2  - Power Management (2) */
  48         0x0000,     /* R3  - Power Management (3) */
  49         0x4050,     /* R4  - Audio Interface (1) */
  50         0x4000,     /* R5  - Audio Interface (2) */
  51         0x01C8,     /* R6  - Clocking (1) */
  52         0x0000,     /* R7  - Clocking (2) */
  53         0x0040,     /* R8  - Audio Interface (3) */
  54         0x0040,     /* R9  - Audio Interface (4) */
  55         0x0004,     /* R10 - DAC CTRL */
  56         0x00C0,     /* R11 - Left DAC Digital Volume */
  57         0x00C0,     /* R12 - Right DAC Digital Volume */
  58         0x0000,     /* R13 - Digital Side Tone */
  59         0x0100,     /* R14 - ADC CTRL */
  60         0x00C0,     /* R15 - Left ADC Digital Volume */
  61         0x00C0,     /* R16 - Right ADC Digital Volume */
  62         0x0000,     /* R17 */
  63         0x0000,     /* R18 - GPIO CTRL 1 */
  64         0x1000,     /* R19 - GPIO1 & GPIO2 */
  65         0x1010,     /* R20 - GPIO3 & GPIO4 */
  66         0x1010,     /* R21 - GPIO5 & GPIO6 */
  67         0x8000,     /* R22 - GPIOCTRL 2 */
  68         0x0800,     /* R23 - GPIO_POL */
  69         0x008B,     /* R24 - Left Line Input 1&2 Volume */
  70         0x008B,     /* R25 - Left Line Input 3&4 Volume */
  71         0x008B,     /* R26 - Right Line Input 1&2 Volume */
  72         0x008B,     /* R27 - Right Line Input 3&4 Volume */
  73         0x0000,     /* R28 - Left Output Volume */
  74         0x0000,     /* R29 - Right Output Volume */
  75         0x0066,     /* R30 - Line Outputs Volume */
  76         0x0022,     /* R31 - Out3/4 Volume */
  77         0x0079,     /* R32 - Left OPGA Volume */
  78         0x0079,     /* R33 - Right OPGA Volume */
  79         0x0003,     /* R34 - Speaker Volume */
  80         0x0003,     /* R35 - ClassD1 */
  81         0x0000,     /* R36 */
  82         0x0100,     /* R37 - ClassD3 */
  83         0x0079,     /* R38 - ClassD4 */
  84         0x0000,     /* R39 - Input Mixer1 */
  85         0x0000,     /* R40 - Input Mixer2 */
  86         0x0000,     /* R41 - Input Mixer3 */
  87         0x0000,     /* R42 - Input Mixer4 */
  88         0x0000,     /* R43 - Input Mixer5 */
  89         0x0000,     /* R44 - Input Mixer6 */
  90         0x0000,     /* R45 - Output Mixer1 */
  91         0x0000,     /* R46 - Output Mixer2 */
  92         0x0000,     /* R47 - Output Mixer3 */
  93         0x0000,     /* R48 - Output Mixer4 */
  94         0x0000,     /* R49 - Output Mixer5 */
  95         0x0000,     /* R50 - Output Mixer6 */
  96         0x0180,     /* R51 - Out3/4 Mixer */
  97         0x0000,     /* R52 - Line Mixer1 */
  98         0x0000,     /* R53 - Line Mixer2 */
  99         0x0000,     /* R54 - Speaker Mixer */
 100         0x0000,     /* R55 - Additional Control */
 101         0x0000,     /* R56 - AntiPOP1 */
 102         0x0000,     /* R57 - AntiPOP2 */
 103         0x0000,     /* R58 - MICBIAS */
 104         0x0000,     /* R59 */
 105         0x0008,     /* R60 - PLL1 */
 106         0x0031,     /* R61 - PLL2 */
 107         0x0026,     /* R62 - PLL3 */
 108         0x0000,     /* R63 - Driver internal */
 109 };
 110
 111 /*
 112  * read wm8990 register cache
 113  */
 114 static inline unsigned int wm8990_read_reg_cache(struct snd_soc_codec *codec,
 115         unsigned int reg)
 116 {
 117         u16 *cache = codec->reg_cache;
 118         BUG_ON(reg >= ARRAY_SIZE(wm8990_reg));
 119         return cache[reg];
 120 }
 121
 122 /*
 123  * write wm8990 register cache
 124  */
 125 static inline void wm8990_write_reg_cache(struct snd_soc_codec *codec,
 126         unsigned int reg, unsigned int value)
 127 {
 128         u16 *cache = codec->reg_cache;
 129
 130         /* Reset register and reserved registers are uncached */
 131         if (reg == 0 || reg >= ARRAY_SIZE(wm8990_reg))
 132                 return;
 133
 134         cache[reg] = value;
 135 }
 136
 137 /*
 138  * write to the wm8990 register space
 139  */
 140 static int wm8990_write(struct snd_soc_codec *codec, unsigned int reg,
 141         unsigned int value)
 142 {
 143         u8 data[3];
 144
 145         data[0] = reg & 0xFF;
 146         data[1] = (value >> 8) & 0xFF;
 147         data[2] = value & 0xFF;
 148
 149         wm8990_write_reg_cache(codec, reg, value);
 150
 151         if (codec->hw_write(codec->control_data, data, 3) == 2)
 152                 return 0;
 153         else
 154                 return -EIO;
 155 }
 156
 157 #define wm8990_reset(c) wm8990_write(c, WM8990_RESET, 0)
 158
 159 static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600);
 160
 161 static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000);
 162
 163 static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, 0, -2100);
 164
 165 static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600);
 166
 167 static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0);
 168
 169 static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0);
 170
 171 static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763);
 172
 173 static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0);
 174
 175 static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
 176         struct snd_ctl_elem_value *ucontrol)
 177 {
 178         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 179         struct soc_mixer_control *mc =
 180                 (struct soc_mixer_control *)kcontrol->private_value;
 181         int reg = mc->reg;
 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_SPKATTN_SHIFT, WM8990_SPKATTN_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 SOC_SINGLE_TLV("Speaker Volume", WM8990_CLASSD4,
 320         WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0, out_pga_tlv),
 321 SOC_SINGLE("Speaker ZC Switch", WM8990_CLASSD4,
 322         WM8990_SPKZC_SHIFT, WM8990_SPKZC_MASK, 0),
 323
 324 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
 325         WM8990_LEFT_DAC_DIGITAL_VOLUME,
 326         WM8990_DACL_VOL_SHIFT,
 327         WM8990_DACL_VOL_MASK,
 328         0,
 329         out_dac_tlv),
 330
 331 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
 332         WM8990_RIGHT_DAC_DIGITAL_VOLUME,
 333         WM8990_DACR_VOL_SHIFT,
 334         WM8990_DACR_VOL_MASK,
 335         0,
 336         out_dac_tlv),
 337
 338 SOC_ENUM("Left Digital Sidetone", wm8990_left_digital_sidetone_enum),
 339 SOC_ENUM("Right Digital Sidetone", wm8990_right_digital_sidetone_enum),
 340
 341 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
 342         WM8990_ADCL_DAC_SVOL_SHIFT, WM8990_ADCL_DAC_SVOL_MASK, 0,
 343         out_sidetone_tlv),
 344 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
 345         WM8990_ADCR_DAC_SVOL_SHIFT, WM8990_ADCR_DAC_SVOL_MASK, 0,
 346         out_sidetone_tlv),
 347
 348 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8990_ADC_CTRL,
 349         WM8990_ADC_HPF_ENA_BIT, 1, 0),
 350
 351 SOC_ENUM("ADC HPF Mode", wm8990_right_adcmode_enum),
 352
 353 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
 354         WM8990_LEFT_ADC_DIGITAL_VOLUME,
 355         WM8990_ADCL_VOL_SHIFT,
 356         WM8990_ADCL_VOL_MASK,
 357         0,
 358         in_adc_tlv),
 359
 360 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
 361         WM8990_RIGHT_ADC_DIGITAL_VOLUME,
 362         WM8990_ADCR_VOL_SHIFT,
 363         WM8990_ADCR_VOL_MASK,
 364         0,
 365         in_adc_tlv),
 366
 367 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
 368         WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
 369         WM8990_LIN12VOL_SHIFT,
 370         WM8990_LIN12VOL_MASK,
 371         0,
 372         in_pga_tlv),
 373
 374 SOC_SINGLE("LIN12 ZC Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
 375         WM8990_LI12ZC_BIT, 1, 0),
 376
 377 SOC_SINGLE("LIN12 Mute Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
 378         WM8990_LI12MUTE_BIT, 1, 0),
 379
 380 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
 381         WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
 382         WM8990_LIN34VOL_SHIFT,
 383         WM8990_LIN34VOL_MASK,
 384         0,
 385         in_pga_tlv),
 386
 387 SOC_SINGLE("LIN34 ZC Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
 388         WM8990_LI34ZC_BIT, 1, 0),
 389
 390 SOC_SINGLE("LIN34 Mute Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
 391         WM8990_LI34MUTE_BIT, 1, 0),
 392
 393 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
 394         WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
 395         WM8990_RIN12VOL_SHIFT,
 396         WM8990_RIN12VOL_MASK,
 397         0,
 398         in_pga_tlv),
 399
 400 SOC_SINGLE("RIN12 ZC Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
 401         WM8990_RI12ZC_BIT, 1, 0),
 402
 403 SOC_SINGLE("RIN12 Mute Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
 404         WM8990_RI12MUTE_BIT, 1, 0),
 405
 406 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
 407         WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
 408         WM8990_RIN34VOL_SHIFT,
 409         WM8990_RIN34VOL_MASK,
 410         0,
 411         in_pga_tlv),
 412
 413 SOC_SINGLE("RIN34 ZC Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
 414         WM8990_RI34ZC_BIT, 1, 0),
 415
 416 SOC_SINGLE("RIN34 Mute Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
 417         WM8990_RI34MUTE_BIT, 1, 0),
 418
 419 };
 420
 421 /*
 422  * _DAPM_ Controls
 423  */
 424
 425 static int inmixer_event(struct snd_soc_dapm_widget *w,
 426         struct snd_kcontrol *kcontrol, int event)
 427 {
 428         u16 reg, fakepower;
 429
 430         reg = wm8990_read_reg_cache(w->codec, WM8990_POWER_MANAGEMENT_2);
 431         fakepower = wm8990_read_reg_cache(w->codec, WM8990_INTDRIVBITS);
 432
 433         if (fakepower & ((1 << WM8990_INMIXL_PWR_BIT) |
 434                 (1 << WM8990_AINLMUX_PWR_BIT))) {
 435                 reg |= WM8990_AINL_ENA;
 436         } else {
 437                 reg &= ~WM8990_AINL_ENA;
 438         }
 439
 440         if (fakepower & ((1 << WM8990_INMIXR_PWR_BIT) |
 441                 (1 << WM8990_AINRMUX_PWR_BIT))) {
 442                 reg |= WM8990_AINR_ENA;
 443         } else {
 444                 reg &= ~WM8990_AINL_ENA;
 445         }
 446         wm8990_write(w->codec, WM8990_POWER_MANAGEMENT_2, reg);
 447
 448         return 0;
 449 }
 450
 451 static int outmixer_event(struct snd_soc_dapm_widget *w,
 452         struct snd_kcontrol *kcontrol, int event)
 453 {
 454         u32 reg_shift = kcontrol->private_value & 0xfff;
 455         int ret = 0;
 456         u16 reg;
 457
 458         switch (reg_shift) {
 459         case WM8990_SPEAKER_MIXER | (WM8990_LDSPK_BIT << 8) :
 460                 reg = wm8990_read_reg_cache(w->codec, WM8990_OUTPUT_MIXER1);
 461                 if (reg & WM8990_LDLO) {
 462                         printk(KERN_WARNING
 463                         "Cannot set as Output Mixer 1 LDLO Set\n");
 464                         ret = -1;
 465                 }
 466                 break;
 467         case WM8990_SPEAKER_MIXER | (WM8990_RDSPK_BIT << 8):
 468                 reg = wm8990_read_reg_cache(w->codec, WM8990_OUTPUT_MIXER2);
 469                 if (reg & WM8990_RDRO) {
 470                         printk(KERN_WARNING
 471                         "Cannot set as Output Mixer 2 RDRO Set\n");
 472                         ret = -1;
 473                 }
 474                 break;
 475         case WM8990_OUTPUT_MIXER1 | (WM8990_LDLO_BIT << 8):
 476                 reg = wm8990_read_reg_cache(w->codec, WM8990_SPEAKER_MIXER);
 477                 if (reg & WM8990_LDSPK) {
 478                         printk(KERN_WARNING
 479                         "Cannot set as Speaker Mixer LDSPK Set\n");
 480                         ret = -1;
 481                 }
 482                 break;
 483         case WM8990_OUTPUT_MIXER2 | (WM8990_RDRO_BIT << 8):
 484                 reg = wm8990_read_reg_cache(w->codec, WM8990_SPEAKER_MIXER);
 485                 if (reg & WM8990_RDSPK) {
 486                         printk(KERN_WARNING
 487                         "Cannot set as Speaker Mixer RDSPK Set\n");
 488                         ret = -1;
 489                 }
 490                 break;
 491         }
 492
 493         return ret;
 494 }
 495
 496 /* INMIX dB values */
 497 static const unsigned int in_mix_tlv[] = {
 498         TLV_DB_RANGE_HEAD(1),
 499         0, 7, TLV_DB_LINEAR_ITEM(-1200, 600),
 500 };
 501
 502 /* Left In PGA Connections */
 503 static const struct snd_kcontrol_new wm8990_dapm_lin12_pga_controls[] = {
 504 SOC_DAPM_SINGLE("LIN1 Switch", WM8990_INPUT_MIXER2, WM8990_LMN1_BIT, 1, 0),
 505 SOC_DAPM_SINGLE("LIN2 Switch", WM8990_INPUT_MIXER2, WM8990_LMP2_BIT, 1, 0),
 506 };
 507
 508 static const struct snd_kcontrol_new wm8990_dapm_lin34_pga_controls[] = {
 509 SOC_DAPM_SINGLE("LIN3 Switch", WM8990_INPUT_MIXER2, WM8990_LMN3_BIT, 1, 0),
 510 SOC_DAPM_SINGLE("LIN4 Switch", WM8990_INPUT_MIXER2, WM8990_LMP4_BIT, 1, 0),
 511 };
 512
 513 /* Right In PGA Connections */
 514 static const struct snd_kcontrol_new wm8990_dapm_rin12_pga_controls[] = {
 515 SOC_DAPM_SINGLE("RIN1 Switch", WM8990_INPUT_MIXER2, WM8990_RMN1_BIT, 1, 0),
 516 SOC_DAPM_SINGLE("RIN2 Switch", WM8990_INPUT_MIXER2, WM8990_RMP2_BIT, 1, 0),
 517 };
 518
 519 static const struct snd_kcontrol_new wm8990_dapm_rin34_pga_controls[] = {
 520 SOC_DAPM_SINGLE("RIN3 Switch", WM8990_INPUT_MIXER2, WM8990_RMN3_BIT, 1, 0),
 521 SOC_DAPM_SINGLE("RIN4 Switch", WM8990_INPUT_MIXER2, WM8990_RMP4_BIT, 1, 0),
 522 };
 523
 524 /* INMIXL */
 525 static const struct snd_kcontrol_new wm8990_dapm_inmixl_controls[] = {
 526 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8990_INPUT_MIXER3,
 527         WM8990_LDBVOL_SHIFT, WM8990_LDBVOL_MASK, 0, in_mix_tlv),
 528 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8990_INPUT_MIXER5, WM8990_LI2BVOL_SHIFT,
 529         7, 0, in_mix_tlv),
 530 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
 531         1, 0),
 532 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
 533         1, 0),
 534 };
 535
 536 /* INMIXR */
 537 static const struct snd_kcontrol_new wm8990_dapm_inmixr_controls[] = {
 538 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8990_INPUT_MIXER4,
 539         WM8990_RDBVOL_SHIFT, WM8990_RDBVOL_MASK, 0, in_mix_tlv),
 540 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8990_INPUT_MIXER6, WM8990_RI2BVOL_SHIFT,
 541         7, 0, in_mix_tlv),
 542 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
 543         1, 0),
 544 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
 545         1, 0),
 546 };
 547
 548 /* AINLMUX */
 549 static const char *wm8990_ainlmux[] =
 550         {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
 551
 552 static const struct soc_enum wm8990_ainlmux_enum =
 553 SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINLMODE_SHIFT,
 554         ARRAY_SIZE(wm8990_ainlmux), wm8990_ainlmux);
 555
 556 static const struct snd_kcontrol_new wm8990_dapm_ainlmux_controls =
 557 SOC_DAPM_ENUM("Route", wm8990_ainlmux_enum);
 558
 559 /* DIFFINL */
 560
 561 /* AINRMUX */
 562 static const char *wm8990_ainrmux[] =
 563         {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
 564
 565 static const struct soc_enum wm8990_ainrmux_enum =
 566 SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINRMODE_SHIFT,
 567         ARRAY_SIZE(wm8990_ainrmux), wm8990_ainrmux);
 568
 569 static const struct snd_kcontrol_new wm8990_dapm_ainrmux_controls =
 570 SOC_DAPM_ENUM("Route", wm8990_ainrmux_enum);
 571
 572 /* RXVOICE */
 573 static const struct snd_kcontrol_new wm8990_dapm_rxvoice_controls[] = {
 574 SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8990_INPUT_MIXER5, WM8990_LR4BVOL_SHIFT,
 575                         WM8990_LR4BVOL_MASK, 0, in_mix_tlv),
 576 SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8990_INPUT_MIXER6, WM8990_RL4BVOL_SHIFT,
 577                         WM8990_RL4BVOL_MASK, 0, in_mix_tlv),
 578 };
 579
 580 /* LOMIX */
 581 static const struct snd_kcontrol_new wm8990_dapm_lomix_controls[] = {
 582 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
 583         WM8990_LRBLO_BIT, 1, 0),
 584 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
 585         WM8990_LLBLO_BIT, 1, 0),
 586 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
 587         WM8990_LRI3LO_BIT, 1, 0),
 588 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
 589         WM8990_LLI3LO_BIT, 1, 0),
 590 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
 591         WM8990_LR12LO_BIT, 1, 0),
 592 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
 593         WM8990_LL12LO_BIT, 1, 0),
 594 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8990_OUTPUT_MIXER1,
 595         WM8990_LDLO_BIT, 1, 0),
 596 };
 597
 598 /* ROMIX */
 599 static const struct snd_kcontrol_new wm8990_dapm_romix_controls[] = {
 600 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
 601         WM8990_RLBRO_BIT, 1, 0),
 602 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
 603         WM8990_RRBRO_BIT, 1, 0),
 604 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
 605         WM8990_RLI3RO_BIT, 1, 0),
 606 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
 607         WM8990_RRI3RO_BIT, 1, 0),
 608 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
 609         WM8990_RL12RO_BIT, 1, 0),
 610 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
 611         WM8990_RR12RO_BIT, 1, 0),
 612 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8990_OUTPUT_MIXER2,
 613         WM8990_RDRO_BIT, 1, 0),
 614 };
 615
 616 /* LONMIX */
 617 static const struct snd_kcontrol_new wm8990_dapm_lonmix_controls[] = {
 618 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
 619         WM8990_LLOPGALON_BIT, 1, 0),
 620 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER1,
 621         WM8990_LROPGALON_BIT, 1, 0),
 622 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8990_LINE_MIXER1,
 623         WM8990_LOPLON_BIT, 1, 0),
 624 };
 625
 626 /* LOPMIX */
 627 static const struct snd_kcontrol_new wm8990_dapm_lopmix_controls[] = {
 628 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER1,
 629         WM8990_LR12LOP_BIT, 1, 0),
 630 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER1,
 631         WM8990_LL12LOP_BIT, 1, 0),
 632 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
 633         WM8990_LLOPGALOP_BIT, 1, 0),
 634 };
 635
 636 /* RONMIX */
 637 static const struct snd_kcontrol_new wm8990_dapm_ronmix_controls[] = {
 638 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
 639         WM8990_RROPGARON_BIT, 1, 0),
 640 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER2,
 641         WM8990_RLOPGARON_BIT, 1, 0),
 642 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8990_LINE_MIXER2,
 643         WM8990_ROPRON_BIT, 1, 0),
 644 };
 645
 646 /* ROPMIX */
 647 static const struct snd_kcontrol_new wm8990_dapm_ropmix_controls[] = {
 648 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER2,
 649         WM8990_RL12ROP_BIT, 1, 0),
 650 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER2,
 651         WM8990_RR12ROP_BIT, 1, 0),
 652 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
 653         WM8990_RROPGAROP_BIT, 1, 0),
 654 };
 655
 656 /* OUT3MIX */
 657 static const struct snd_kcontrol_new wm8990_dapm_out3mix_controls[] = {
 658 SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
 659         WM8990_LI4O3_BIT, 1, 0),
 660 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8990_OUT3_4_MIXER,
 661         WM8990_LPGAO3_BIT, 1, 0),
 662 };
 663
 664 /* OUT4MIX */
 665 static const struct snd_kcontrol_new wm8990_dapm_out4mix_controls[] = {
 666 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8990_OUT3_4_MIXER,
 667         WM8990_RPGAO4_BIT, 1, 0),
 668 SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
 669         WM8990_RI4O4_BIT, 1, 0),
 670 };
 671
 672 /* SPKMIX */
 673 static const struct snd_kcontrol_new wm8990_dapm_spkmix_controls[] = {
 674 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
 675         WM8990_LI2SPK_BIT, 1, 0),
 676 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8990_SPEAKER_MIXER,
 677         WM8990_LB2SPK_BIT, 1, 0),
 678 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8990_SPEAKER_MIXER,
 679         WM8990_LOPGASPK_BIT, 1, 0),
 680 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8990_SPEAKER_MIXER,
 681         WM8990_LDSPK_BIT, 1, 0),
 682 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8990_SPEAKER_MIXER,
 683         WM8990_RDSPK_BIT, 1, 0),
 684 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8990_SPEAKER_MIXER,
 685         WM8990_ROPGASPK_BIT, 1, 0),
 686 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8990_SPEAKER_MIXER,
 687         WM8990_RL12ROP_BIT, 1, 0),
 688 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
 689         WM8990_RI2SPK_BIT, 1, 0),
 690 };
 691
 692 static const struct snd_soc_dapm_widget wm8990_dapm_widgets[] = {
 693 /* Input Side */
 694 /* Input Lines */
 695 SND_SOC_DAPM_INPUT("LIN1"),
 696 SND_SOC_DAPM_INPUT("LIN2"),
 697 SND_SOC_DAPM_INPUT("LIN3"),
 698 SND_SOC_DAPM_INPUT("LIN4/RXN"),
 699 SND_SOC_DAPM_INPUT("RIN3"),
 700 SND_SOC_DAPM_INPUT("RIN4/RXP"),
 701 SND_SOC_DAPM_INPUT("RIN1"),
 702 SND_SOC_DAPM_INPUT("RIN2"),
 703 SND_SOC_DAPM_INPUT("Internal ADC Source"),
 704
 705 /* DACs */
 706 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8990_POWER_MANAGEMENT_2,
 707         WM8990_ADCL_ENA_BIT, 0),
 708 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8990_POWER_MANAGEMENT_2,
 709         WM8990_ADCR_ENA_BIT, 0),
 710
 711 /* Input PGAs */
 712 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN12_ENA_BIT,
 713         0, &wm8990_dapm_lin12_pga_controls[0],
 714         ARRAY_SIZE(wm8990_dapm_lin12_pga_controls)),
 715 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN34_ENA_BIT,
 716         0, &wm8990_dapm_lin34_pga_controls[0],
 717         ARRAY_SIZE(wm8990_dapm_lin34_pga_controls)),
 718 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN12_ENA_BIT,
 719         0, &wm8990_dapm_rin12_pga_controls[0],
 720         ARRAY_SIZE(wm8990_dapm_rin12_pga_controls)),
 721 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN34_ENA_BIT,
 722         0, &wm8990_dapm_rin34_pga_controls[0],
 723         ARRAY_SIZE(wm8990_dapm_rin34_pga_controls)),
 724
 725 /* INMIXL */
 726 SND_SOC_DAPM_MIXER_E("INMIXL", WM8990_INTDRIVBITS, WM8990_INMIXL_PWR_BIT, 0,
 727         &wm8990_dapm_inmixl_controls[0],
 728         ARRAY_SIZE(wm8990_dapm_inmixl_controls),
 729         inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 730
 731 /* AINLMUX */
 732 SND_SOC_DAPM_MUX_E("AINLMUX", WM8990_INTDRIVBITS, WM8990_AINLMUX_PWR_BIT, 0,
 733         &wm8990_dapm_ainlmux_controls, inmixer_event,
 734         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 735
 736 /* INMIXR */
 737 SND_SOC_DAPM_MIXER_E("INMIXR", WM8990_INTDRIVBITS, WM8990_INMIXR_PWR_BIT, 0,
 738         &wm8990_dapm_inmixr_controls[0],
 739         ARRAY_SIZE(wm8990_dapm_inmixr_controls),
 740         inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 741
 742 /* AINRMUX */
 743 SND_SOC_DAPM_MUX_E("AINRMUX", WM8990_INTDRIVBITS, WM8990_AINRMUX_PWR_BIT, 0,
 744         &wm8990_dapm_ainrmux_controls, inmixer_event,
 745         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 746
 747 /* Output Side */
 748 /* DACs */
 749 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8990_POWER_MANAGEMENT_3,
 750         WM8990_DACL_ENA_BIT, 0),
 751 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8990_POWER_MANAGEMENT_3,
 752         WM8990_DACR_ENA_BIT, 0),
 753
 754 /* LOMIX */
 755 SND_SOC_DAPM_MIXER_E("LOMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOMIX_ENA_BIT,
 756         0, &wm8990_dapm_lomix_controls[0],
 757         ARRAY_SIZE(wm8990_dapm_lomix_controls),
 758         outmixer_event, SND_SOC_DAPM_PRE_REG),
 759
 760 /* LONMIX */
 761 SND_SOC_DAPM_MIXER("LONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LON_ENA_BIT, 0,
 762         &wm8990_dapm_lonmix_controls[0],
 763         ARRAY_SIZE(wm8990_dapm_lonmix_controls)),
 764
 765 /* LOPMIX */
 766 SND_SOC_DAPM_MIXER("LOPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOP_ENA_BIT, 0,
 767         &wm8990_dapm_lopmix_controls[0],
 768         ARRAY_SIZE(wm8990_dapm_lopmix_controls)),
 769
 770 /* OUT3MIX */
 771 SND_SOC_DAPM_MIXER("OUT3MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT3_ENA_BIT, 0,
 772         &wm8990_dapm_out3mix_controls[0],
 773         ARRAY_SIZE(wm8990_dapm_out3mix_controls)),
 774
 775 /* SPKMIX */
 776 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8990_POWER_MANAGEMENT_1, WM8990_SPK_ENA_BIT, 0,
 777         &wm8990_dapm_spkmix_controls[0],
 778         ARRAY_SIZE(wm8990_dapm_spkmix_controls), outmixer_event,
 779         SND_SOC_DAPM_PRE_REG),
 780
 781 /* OUT4MIX */
 782 SND_SOC_DAPM_MIXER("OUT4MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT4_ENA_BIT, 0,
 783         &wm8990_dapm_out4mix_controls[0],
 784         ARRAY_SIZE(wm8990_dapm_out4mix_controls)),
 785
 786 /* ROPMIX */
 787 SND_SOC_DAPM_MIXER("ROPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROP_ENA_BIT, 0,
 788         &wm8990_dapm_ropmix_controls[0],
 789         ARRAY_SIZE(wm8990_dapm_ropmix_controls)),
 790
 791 /* RONMIX */
 792 SND_SOC_DAPM_MIXER("RONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_RON_ENA_BIT, 0,
 793         &wm8990_dapm_ronmix_controls[0],
 794         ARRAY_SIZE(wm8990_dapm_ronmix_controls)),
 795
 796 /* ROMIX */
 797 SND_SOC_DAPM_MIXER_E("ROMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROMIX_ENA_BIT,
 798         0, &wm8990_dapm_romix_controls[0],
 799         ARRAY_SIZE(wm8990_dapm_romix_controls),
 800         outmixer_event, SND_SOC_DAPM_PRE_REG),
 801
 802 /* LOUT PGA */
 803 SND_SOC_DAPM_PGA("LOUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_LOUT_ENA_BIT, 0,
 804         NULL, 0),
 805
 806 /* ROUT PGA */
 807 SND_SOC_DAPM_PGA("ROUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_ROUT_ENA_BIT, 0,
 808         NULL, 0),
 809
 810 /* LOPGA */
 811 SND_SOC_DAPM_PGA("LOPGA", WM8990_POWER_MANAGEMENT_3, WM8990_LOPGA_ENA_BIT, 0,
 812         NULL, 0),
 813
 814 /* ROPGA */
 815 SND_SOC_DAPM_PGA("ROPGA", WM8990_POWER_MANAGEMENT_3, WM8990_ROPGA_ENA_BIT, 0,
 816         NULL, 0),
 817
 818 /* MICBIAS */
 819 SND_SOC_DAPM_MICBIAS("MICBIAS", WM8990_POWER_MANAGEMENT_1,
 820         WM8990_MICBIAS_ENA_BIT, 0),
 821
 822 SND_SOC_DAPM_OUTPUT("LON"),
 823 SND_SOC_DAPM_OUTPUT("LOP"),
 824 SND_SOC_DAPM_OUTPUT("OUT3"),
 825 SND_SOC_DAPM_OUTPUT("LOUT"),
 826 SND_SOC_DAPM_OUTPUT("SPKN"),
 827 SND_SOC_DAPM_OUTPUT("SPKP"),
 828 SND_SOC_DAPM_OUTPUT("ROUT"),
 829 SND_SOC_DAPM_OUTPUT("OUT4"),
 830 SND_SOC_DAPM_OUTPUT("ROP"),
 831 SND_SOC_DAPM_OUTPUT("RON"),
 832
 833 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
 834 };
 835
 836 static const struct snd_soc_dapm_route audio_map[] = {
 837         /* Make DACs turn on when playing even if not mixed into any outputs */
 838         {"Internal DAC Sink", NULL, "Left DAC"},
 839         {"Internal DAC Sink", NULL, "Right DAC"},
 840
 841         /* Make ADCs turn on when recording even if not mixed from any inputs */
 842         {"Left ADC", NULL, "Internal ADC Source"},
 843         {"Right ADC", NULL, "Internal ADC Source"},
 844
 845         /* Input Side */
 846         /* LIN12 PGA */
 847         {"LIN12 PGA", "LIN1 Switch", "LIN1"},
 848         {"LIN12 PGA", "LIN2 Switch", "LIN2"},
 849         /* LIN34 PGA */
 850         {"LIN34 PGA", "LIN3 Switch", "LIN3"},
 851         {"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
 852         /* INMIXL */
 853         {"INMIXL", "Record Left Volume", "LOMIX"},
 854         {"INMIXL", "LIN2 Volume", "LIN2"},
 855         {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
 856         {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
 857         /* AINLMUX */
 858         {"AINLMUX", "INMIXL Mix", "INMIXL"},
 859         {"AINLMUX", "DIFFINL Mix", "LIN12 PGA"},
 860         {"AINLMUX", "DIFFINL Mix", "LIN34 PGA"},
 861         {"AINLMUX", "RXVOICE Mix", "LIN4/RXN"},
 862         {"AINLMUX", "RXVOICE Mix", "RIN4/RXP"},
 863         /* ADC */
 864         {"Left ADC", NULL, "AINLMUX"},
 865
 866         /* RIN12 PGA */
 867         {"RIN12 PGA", "RIN1 Switch", "RIN1"},
 868         {"RIN12 PGA", "RIN2 Switch", "RIN2"},
 869         /* RIN34 PGA */
 870         {"RIN34 PGA", "RIN3 Switch", "RIN3"},
 871         {"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
 872         /* INMIXL */
 873         {"INMIXR", "Record Right Volume", "ROMIX"},
 874         {"INMIXR", "RIN2 Volume", "RIN2"},
 875         {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
 876         {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
 877         /* AINRMUX */
 878         {"AINRMUX", "INMIXR Mix", "INMIXR"},
 879         {"AINRMUX", "DIFFINR Mix", "RIN12 PGA"},
 880         {"AINRMUX", "DIFFINR Mix", "RIN34 PGA"},
 881         {"AINRMUX", "RXVOICE Mix", "LIN4/RXN"},
 882         {"AINRMUX", "RXVOICE Mix", "RIN4/RXP"},
 883         /* ADC */
 884         {"Right ADC", NULL, "AINRMUX"},
 885
 886         /* LOMIX */
 887         {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
 888         {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
 889         {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 890         {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 891         {"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
 892         {"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
 893         {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
 894
 895         /* ROMIX */
 896         {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
 897         {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
 898         {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 899         {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 900         {"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
 901         {"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
 902         {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
 903
 904         /* SPKMIX */
 905         {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
 906         {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
 907         {"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
 908         {"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
 909         {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
 910         {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
 911         {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
 912         {"SPKMIX", "SPKMIX Left DAC Switch", "Left DAC"},
 913
 914         /* LONMIX */
 915         {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
 916         {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
 917         {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
 918
 919         /* LOPMIX */
 920         {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 921         {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 922         {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
 923
 924         /* OUT3MIX */
 925         {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
 926         {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
 927
 928         /* OUT4MIX */
 929         {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
 930         {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
 931
 932         /* RONMIX */
 933         {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
 934         {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
 935         {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
 936
 937         /* ROPMIX */
 938         {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 939         {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 940         {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
 941
 942         /* Out Mixer PGAs */
 943         {"LOPGA", NULL, "LOMIX"},
 944         {"ROPGA", NULL, "ROMIX"},
 945
 946         {"LOUT PGA", NULL, "LOMIX"},
 947         {"ROUT PGA", NULL, "ROMIX"},
 948
 949         /* Output Pins */
 950         {"LON", NULL, "LONMIX"},
 951         {"LOP", NULL, "LOPMIX"},
 952         {"OUT3", NULL, "OUT3MIX"},
 953         {"LOUT", NULL, "LOUT PGA"},
 954         {"SPKN", NULL, "SPKMIX"},
 955         {"ROUT", NULL, "ROUT PGA"},
 956         {"OUT4", NULL, "OUT4MIX"},
 957         {"ROP", NULL, "ROPMIX"},
 958         {"RON", NULL, "RONMIX"},
 959 };
 960
 961 static int wm8990_add_widgets(struct snd_soc_codec *codec)
 962 {
 963         snd_soc_dapm_new_controls(codec, wm8990_dapm_widgets,
 964                                   ARRAY_SIZE(wm8990_dapm_widgets));
 965
 966         /* set up the WM8990 audio map */
 967         snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
 968
 969         snd_soc_dapm_new_widgets(codec);
 970         return 0;
 971 }
 972
 973 /* PLL divisors */
 974 struct _pll_div {
 975         u32 div2;
 976         u32 n;
 977         u32 k;
 978 };
 979
 980 /* The size in bits of the pll divide multiplied by 10
 981  * to allow rounding later */
 982 #define FIXED_PLL_SIZE ((1 << 16) * 10)
 983
 984 static void pll_factors(struct _pll_div *pll_div, unsigned int target,
 985         unsigned int source)
 986 {
 987         u64 Kpart;
 988         unsigned int K, Ndiv, Nmod;
 989
 990
 991         Ndiv = target / source;
 992         if (Ndiv < 6) {
 993                 source >>= 1;
 994                 pll_div->div2 = 1;
 995                 Ndiv = target / source;
 996         } else
 997                 pll_div->div2 = 0;
 998
 999         if ((Ndiv < 6) || (Ndiv > 12))
1000                 printk(KERN_WARNING
1001                 "WM8990 N value outwith recommended range! N = %u\n", Ndiv);
1002
1003         pll_div->n = Ndiv;
1004         Nmod = target % source;
1005         Kpart = FIXED_PLL_SIZE * (long long)Nmod;
1006
1007         do_div(Kpart, source);
1008
1009         K = Kpart & 0xFFFFFFFF;
1010
1011         /* Check if we need to round */
1012         if ((K % 10) >= 5)
1013                 K += 5;
1014
1015         /* Move down to proper range now rounding is done */
1016         K /= 10;
1017
1018         pll_div->k = K;
1019 }
1020
1021 static int wm8990_set_dai_pll(struct snd_soc_dai *codec_dai,
1022                 int pll_id, unsigned int freq_in, unsigned int freq_out)
1023 {
1024         u16 reg;
1025         struct snd_soc_codec *codec = codec_dai->codec;
1026         struct _pll_div pll_div;
1027
1028         if (freq_in && freq_out) {
1029                 pll_factors(&pll_div, freq_out * 4, freq_in);
1030
1031                 /* Turn on PLL */
1032                 reg = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_2);
1033                 reg |= WM8990_PLL_ENA;
1034                 wm8990_write(codec, WM8990_POWER_MANAGEMENT_2, reg);
1035
1036                 /* sysclk comes from PLL */
1037                 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2);
1038                 wm8990_write(codec, WM8990_CLOCKING_2, reg | WM8990_SYSCLK_SRC);
1039
1040                 /* set up N , fractional mode and pre-divisor if neccessary */
1041                 wm8990_write(codec, WM8990_PLL1, pll_div.n | WM8990_SDM |
1042                         (pll_div.div2?WM8990_PRESCALE:0));
1043                 wm8990_write(codec, WM8990_PLL2, (u8)(pll_div.k>>8));
1044                 wm8990_write(codec, WM8990_PLL3, (u8)(pll_div.k & 0xFF));
1045         } else {
1046                 /* Turn on PLL */
1047                 reg = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_2);
1048                 reg &= ~WM8990_PLL_ENA;
1049                 wm8990_write(codec, WM8990_POWER_MANAGEMENT_2, reg);
1050         }
1051         return 0;
1052 }
1053
1054 /*
1055  * Clock after PLL and dividers
1056  */
1057 static int wm8990_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1058                 int clk_id, unsigned int freq, int dir)
1059 {
1060         struct snd_soc_codec *codec = codec_dai->codec;
1061         struct wm8990_priv *wm8990 = codec->private_data;
1062
1063         wm8990->sysclk = freq;
1064         return 0;
1065 }
1066
1067 /*
1068  * Set's ADC and Voice DAC format.
1069  */
1070 static int wm8990_set_dai_fmt(struct snd_soc_dai *codec_dai,
1071                 unsigned int fmt)
1072 {
1073         struct snd_soc_codec *codec = codec_dai->codec;
1074         u16 audio1, audio3;
1075
1076         audio1 = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_1);
1077         audio3 = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_3);
1078
1079         /* set master/slave audio interface */
1080         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1081         case SND_SOC_DAIFMT_CBS_CFS:
1082                 audio3 &= ~WM8990_AIF_MSTR1;
1083                 break;
1084         case SND_SOC_DAIFMT_CBM_CFM:
1085                 audio3 |= WM8990_AIF_MSTR1;
1086                 break;
1087         default:
1088                 return -EINVAL;
1089         }
1090
1091         audio1 &= ~WM8990_AIF_FMT_MASK;
1092
1093         /* interface format */
1094         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1095         case SND_SOC_DAIFMT_I2S:
1096                 audio1 |= WM8990_AIF_TMF_I2S;
1097                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1098                 break;
1099         case SND_SOC_DAIFMT_RIGHT_J:
1100                 audio1 |= WM8990_AIF_TMF_RIGHTJ;
1101                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1102                 break;
1103         case SND_SOC_DAIFMT_LEFT_J:
1104                 audio1 |= WM8990_AIF_TMF_LEFTJ;
1105                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1106                 break;
1107         case SND_SOC_DAIFMT_DSP_A:
1108                 audio1 |= WM8990_AIF_TMF_DSP;
1109                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1110                 break;
1111         case SND_SOC_DAIFMT_DSP_B:
1112                 audio1 |= WM8990_AIF_TMF_DSP | WM8990_AIF_LRCLK_INV;
1113                 break;
1114         default:
1115                 return -EINVAL;
1116         }
1117
1118         wm8990_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
1119         wm8990_write(codec, WM8990_AUDIO_INTERFACE_3, audio3);
1120         return 0;
1121 }
1122
1123 static int wm8990_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1124                 int div_id, int div)
1125 {
1126         struct snd_soc_codec *codec = codec_dai->codec;
1127         u16 reg;
1128
1129         switch (div_id) {
1130         case WM8990_MCLK_DIV:
1131                 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2) &
1132                         ~WM8990_MCLK_DIV_MASK;
1133                 wm8990_write(codec, WM8990_CLOCKING_2, reg | div);
1134                 break;
1135         case WM8990_DACCLK_DIV:
1136                 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2) &
1137                         ~WM8990_DAC_CLKDIV_MASK;
1138                 wm8990_write(codec, WM8990_CLOCKING_2, reg | div);
1139                 break;
1140         case WM8990_ADCCLK_DIV:
1141                 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_2) &
1142                         ~WM8990_ADC_CLKDIV_MASK;
1143                 wm8990_write(codec, WM8990_CLOCKING_2, reg | div);
1144                 break;
1145         case WM8990_BCLK_DIV:
1146                 reg = wm8990_read_reg_cache(codec, WM8990_CLOCKING_1) &
1147                         ~WM8990_BCLK_DIV_MASK;
1148                 wm8990_write(codec, WM8990_CLOCKING_1, reg | div);
1149                 break;
1150         default:
1151                 return -EINVAL;
1152         }
1153
1154         return 0;
1155 }
1156
1157 /*
1158  * Set PCM DAI bit size and sample rate.
1159  */
1160 static int wm8990_hw_params(struct snd_pcm_substream *substream,
1161                             struct snd_pcm_hw_params *params,
1162                             struct snd_soc_dai *dai)
1163 {
1164         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1165         struct snd_soc_device *socdev = rtd->socdev;
1166         struct snd_soc_codec *codec = socdev->card->codec;
1167         u16 audio1 = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_1);
1168
1169         audio1 &= ~WM8990_AIF_WL_MASK;
1170         /* bit size */
1171         switch (params_format(params)) {
1172         case SNDRV_PCM_FORMAT_S16_LE:
1173                 break;
1174         case SNDRV_PCM_FORMAT_S20_3LE:
1175                 audio1 |= WM8990_AIF_WL_20BITS;
1176                 break;
1177         case SNDRV_PCM_FORMAT_S24_LE:
1178                 audio1 |= WM8990_AIF_WL_24BITS;
1179                 break;
1180         case SNDRV_PCM_FORMAT_S32_LE:
1181                 audio1 |= WM8990_AIF_WL_32BITS;
1182                 break;
1183         }
1184
1185         wm8990_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
1186         return 0;
1187 }
1188
1189 static int wm8990_mute(struct snd_soc_dai *dai, int mute)
1190 {
1191         struct snd_soc_codec *codec = dai->codec;
1192         u16 val;
1193
1194         val  = wm8990_read_reg_cache(codec, WM8990_DAC_CTRL) & ~WM8990_DAC_MUTE;
1195
1196         if (mute)
1197                 wm8990_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1198         else
1199                 wm8990_write(codec, WM8990_DAC_CTRL, val);
1200
1201         return 0;
1202 }
1203
1204 static int wm8990_set_bias_level(struct snd_soc_codec *codec,
1205         enum snd_soc_bias_level level)
1206 {
1207         u16 val;
1208
1209         switch (level) {
1210         case SND_SOC_BIAS_ON:
1211                 break;
1212
1213         case SND_SOC_BIAS_PREPARE:
1214                 /* VMID=2*50k */
1215                 val = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_1) &
1216                         ~WM8990_VMID_MODE_MASK;
1217                 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, val | 0x2);
1218                 break;
1219
1220         case SND_SOC_BIAS_STANDBY:
1221                 if (codec->bias_level == SND_SOC_BIAS_OFF) {
1222                         /* Enable all output discharge bits */
1223                         wm8990_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1224                                 WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1225                                 WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1226                                 WM8990_DIS_ROUT);
1227
1228                         /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1229                         wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1230                                      WM8990_BUFDCOPEN | WM8990_POBCTRL |
1231                                      WM8990_VMIDTOG);
1232
1233                         /* Delay to allow output caps to discharge */
1234                         msleep(msecs_to_jiffies(300));
1235
1236                         /* Disable VMIDTOG */
1237                         wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1238                                      WM8990_BUFDCOPEN | WM8990_POBCTRL);
1239
1240                         /* disable all output discharge bits */
1241                         wm8990_write(codec, WM8990_ANTIPOP1, 0);
1242
1243                         /* Enable outputs */
1244                         wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1b00);
1245
1246                         msleep(msecs_to_jiffies(50));
1247
1248                         /* Enable VMID at 2x50k */
1249                         wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f02);
1250
1251                         msleep(msecs_to_jiffies(100));
1252
1253                         /* Enable VREF */
1254                         wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1255
1256                         msleep(msecs_to_jiffies(600));
1257
1258                         /* Enable BUFIOEN */
1259                         wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1260                                      WM8990_BUFDCOPEN | WM8990_POBCTRL |
1261                                      WM8990_BUFIOEN);
1262
1263                         /* Disable outputs */
1264                         wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x3);
1265
1266                         /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1267                         wm8990_write(codec, WM8990_ANTIPOP2, WM8990_BUFIOEN);
1268
1269                         /* Enable workaround for ADC clocking issue. */
1270                         wm8990_write(codec, WM8990_EXT_ACCESS_ENA, 0x2);
1271                         wm8990_write(codec, WM8990_EXT_CTL1, 0xa003);
1272                         wm8990_write(codec, WM8990_EXT_ACCESS_ENA, 0);
1273                 }
1274
1275                 /* VMID=2*250k */
1276                 val = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_1) &
1277                         ~WM8990_VMID_MODE_MASK;
1278                 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, val | 0x4);
1279                 break;
1280
1281         case SND_SOC_BIAS_OFF:
1282                 /* Enable POBCTRL and SOFT_ST */
1283                 wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1284                         WM8990_POBCTRL | WM8990_BUFIOEN);
1285
1286                 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1287                 wm8990_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1288                         WM8990_BUFDCOPEN | WM8990_POBCTRL |
1289                         WM8990_BUFIOEN);
1290
1291                 /* mute DAC */
1292                 val = wm8990_read_reg_cache(codec, WM8990_DAC_CTRL);
1293                 wm8990_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1294
1295                 /* Enable any disabled outputs */
1296                 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1297
1298                 /* Disable VMID */
1299                 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f01);
1300
1301                 msleep(msecs_to_jiffies(300));
1302
1303                 /* Enable all output discharge bits */
1304                 wm8990_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1305                         WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1306                         WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1307                         WM8990_DIS_ROUT);
1308
1309                 /* Disable VREF */
1310                 wm8990_write(codec, WM8990_POWER_MANAGEMENT_1, 0x0);
1311
1312                 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1313                 wm8990_write(codec, WM8990_ANTIPOP2, 0x0);
1314                 break;
1315         }
1316
1317         codec->bias_level = level;
1318         return 0;
1319 }
1320
1321 #define WM8990_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1322         SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
1323         SNDRV_PCM_RATE_48000)
1324
1325 #define WM8990_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1326         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1327
1328 /*
1329  * The WM8990 supports 2 different and mutually exclusive DAI
1330  * configurations.
1331  *
1332  * 1. ADC/DAC on Primary Interface
1333  * 2. ADC on Primary Interface/DAC on secondary
1334  */
1335 static struct snd_soc_dai_ops wm8990_dai_ops = {
1336         .hw_params      = wm8990_hw_params,
1337         .digital_mute   = wm8990_mute,
1338         .set_fmt        = wm8990_set_dai_fmt,
1339         .set_clkdiv     = wm8990_set_dai_clkdiv,
1340         .set_pll        = wm8990_set_dai_pll,
1341         .set_sysclk     = wm8990_set_dai_sysclk,
1342 };
1343
1344 struct snd_soc_dai wm8990_dai = {
1345 /* ADC/DAC on primary */
1346         .name = "WM8990 ADC/DAC Primary",
1347         .id = 1,
1348         .playback = {
1349                 .stream_name = "Playback",
1350                 .channels_min = 1,
1351                 .channels_max = 2,
1352                 .rates = WM8990_RATES,
1353                 .formats = WM8990_FORMATS,},
1354         .capture = {
1355                 .stream_name = "Capture",
1356                 .channels_min = 1,
1357                 .channels_max = 2,
1358                 .rates = WM8990_RATES,
1359                 .formats = WM8990_FORMATS,},
1360         .ops = &wm8990_dai_ops,
1361 };
1362 EXPORT_SYMBOL_GPL(wm8990_dai);
1363
1364 static int wm8990_suspend(struct platform_device *pdev, pm_message_t state)
1365 {
1366         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1367         struct snd_soc_codec *codec = socdev->card->codec;
1368
1369         /* we only need to suspend if we are a valid card */
1370         if (!codec->card)
1371                 return 0;
1372
1373         wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
1374         return 0;
1375 }
1376
1377 static int wm8990_resume(struct platform_device *pdev)
1378 {
1379         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1380         struct snd_soc_codec *codec = socdev->card->codec;
1381         int i;
1382         u8 data[2];
1383         u16 *cache = codec->reg_cache;
1384
1385         /* we only need to resume if we are a valid card */
1386         if (!codec->card)
1387                 return 0;
1388
1389         /* Sync reg_cache with the hardware */
1390         for (i = 0; i < ARRAY_SIZE(wm8990_reg); i++) {
1391                 if (i + 1 == WM8990_RESET)
1392                         continue;
1393                 data[0] = ((i + 1) << 1) | ((cache[i] >> 8) & 0x0001);
1394                 data[1] = cache[i] & 0x00ff;
1395                 codec->hw_write(codec->control_data, data, 2);
1396         }
1397
1398         wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1399         return 0;
1400 }
1401
1402 /*
1403  * initialise the WM8990 driver
1404  * register the mixer and dsp interfaces with the kernel
1405  */
1406 static int wm8990_init(struct snd_soc_device *socdev)
1407 {
1408         struct snd_soc_codec *codec = socdev->card->codec;
1409         u16 reg;
1410         int ret = 0;
1411
1412         codec->name = "WM8990";
1413         codec->owner = THIS_MODULE;
1414         codec->read = wm8990_read_reg_cache;
1415         codec->write = wm8990_write;
1416         codec->set_bias_level = wm8990_set_bias_level;
1417         codec->dai = &wm8990_dai;
1418         codec->num_dai = 2;
1419         codec->reg_cache_size = ARRAY_SIZE(wm8990_reg);
1420         codec->reg_cache = kmemdup(wm8990_reg, sizeof(wm8990_reg), GFP_KERNEL);
1421
1422         if (codec->reg_cache == NULL)
1423                 return -ENOMEM;
1424
1425         wm8990_reset(codec);
1426
1427         /* register pcms */
1428         ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
1429         if (ret < 0) {
1430                 printk(KERN_ERR "wm8990: failed to create pcms\n");
1431                 goto pcm_err;
1432         }
1433
1434         /* charge output caps */
1435         codec->bias_level = SND_SOC_BIAS_OFF;
1436         wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1437
1438         reg = wm8990_read_reg_cache(codec, WM8990_AUDIO_INTERFACE_4);
1439         wm8990_write(codec, WM8990_AUDIO_INTERFACE_4, reg | WM8990_ALRCGPIO1);
1440
1441         reg = wm8990_read_reg_cache(codec, WM8990_GPIO1_GPIO2) &
1442                 ~WM8990_GPIO1_SEL_MASK;
1443         wm8990_write(codec, WM8990_GPIO1_GPIO2, reg | 1);
1444
1445         reg = wm8990_read_reg_cache(codec, WM8990_POWER_MANAGEMENT_2);
1446         wm8990_write(codec, WM8990_POWER_MANAGEMENT_2, reg | WM8990_OPCLK_ENA);
1447
1448         wm8990_write(codec, WM8990_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1449         wm8990_write(codec, WM8990_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1450
1451         snd_soc_add_controls(codec, wm8990_snd_controls,
1452                                 ARRAY_SIZE(wm8990_snd_controls));
1453         wm8990_add_widgets(codec);
1454         ret = snd_soc_init_card(socdev);
1455         if (ret < 0) {
1456                 printk(KERN_ERR "wm8990: failed to register card\n");
1457                 goto card_err;
1458         }
1459         return ret;
1460
1461 card_err:
1462         snd_soc_free_pcms(socdev);
1463         snd_soc_dapm_free(socdev);
1464 pcm_err:
1465         kfree(codec->reg_cache);
1466         return ret;
1467 }
1468
1469 /* If the i2c layer weren't so broken, we could pass this kind of data
1470    around */
1471 static struct snd_soc_device *wm8990_socdev;
1472
1473 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1474
1475 /*
1476  * WM891 2 wire address is determined by GPIO5
1477  * state during powerup.
1478  *    low  = 0x34
1479  *    high = 0x36
1480  */
1481
1482 static int wm8990_i2c_probe(struct i2c_client *i2c,
1483                             const struct i2c_device_id *id)
1484 {
1485         struct snd_soc_device *socdev = wm8990_socdev;
1486         struct snd_soc_codec *codec = socdev->card->codec;
1487         int ret;
1488
1489         i2c_set_clientdata(i2c, codec);
1490         codec->control_data = i2c;
1491
1492         ret = wm8990_init(socdev);
1493         if (ret < 0)
1494                 pr_err("failed to initialise WM8990\n");
1495
1496         return ret;
1497 }
1498
1499 static int wm8990_i2c_remove(struct i2c_client *client)
1500 {
1501         struct snd_soc_codec *codec = i2c_get_clientdata(client);
1502         kfree(codec->reg_cache);
1503         return 0;
1504 }
1505
1506 static const struct i2c_device_id wm8990_i2c_id[] = {
1507         { "wm8990", 0 },
1508         { }
1509 };
1510 MODULE_DEVICE_TABLE(i2c, wm8990_i2c_id);
1511
1512 static struct i2c_driver wm8990_i2c_driver = {
1513         .driver = {
1514                 .name = "WM8990 I2C Codec",
1515                 .owner = THIS_MODULE,
1516         },
1517         .probe =    wm8990_i2c_probe,
1518         .remove =   wm8990_i2c_remove,
1519         .id_table = wm8990_i2c_id,
1520 };
1521
1522 static int wm8990_add_i2c_device(struct platform_device *pdev,
1523                                  const struct wm8990_setup_data *setup)
1524 {
1525         struct i2c_board_info info;
1526         struct i2c_adapter *adapter;
1527         struct i2c_client *client;
1528         int ret;
1529
1530         ret = i2c_add_driver(&wm8990_i2c_driver);
1531         if (ret != 0) {
1532                 dev_err(&pdev->dev, "can't add i2c driver\n");
1533                 return ret;
1534         }
1535
1536         memset(&info, 0, sizeof(struct i2c_board_info));
1537         info.addr = setup->i2c_address;
1538         strlcpy(info.type, "wm8990", I2C_NAME_SIZE);
1539
1540         adapter = i2c_get_adapter(setup->i2c_bus);
1541         if (!adapter) {
1542                 dev_err(&pdev->dev, "can't get i2c adapter %d\n",
1543                         setup->i2c_bus);
1544                 goto err_driver;
1545         }
1546
1547         client = i2c_new_device(adapter, &info);
1548         i2c_put_adapter(adapter);
1549         if (!client) {
1550                 dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
1551                         (unsigned int)info.addr);
1552                 goto err_driver;
1553         }
1554
1555         return 0;
1556
1557 err_driver:
1558         i2c_del_driver(&wm8990_i2c_driver);
1559         return -ENODEV;
1560 }
1561 #endif
1562
1563 static int wm8990_probe(struct platform_device *pdev)
1564 {
1565         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1566         struct wm8990_setup_data *setup;
1567         struct snd_soc_codec *codec;
1568         struct wm8990_priv *wm8990;
1569         int ret;
1570
1571         pr_info("WM8990 Audio Codec %s\n", WM8990_VERSION);
1572
1573         setup = socdev->codec_data;
1574         codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
1575         if (codec == NULL)
1576                 return -ENOMEM;
1577
1578         wm8990 = kzalloc(sizeof(struct wm8990_priv), GFP_KERNEL);
1579         if (wm8990 == NULL) {
1580                 kfree(codec);
1581                 return -ENOMEM;
1582         }
1583
1584         codec->private_data = wm8990;
1585         socdev->card->codec = codec;
1586         mutex_init(&codec->mutex);
1587         INIT_LIST_HEAD(&codec->dapm_widgets);
1588         INIT_LIST_HEAD(&codec->dapm_paths);
1589         wm8990_socdev = socdev;
1590
1591         ret = -ENODEV;
1592
1593 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1594         if (setup->i2c_address) {
1595                 codec->hw_write = (hw_write_t)i2c_master_send;
1596                 ret = wm8990_add_i2c_device(pdev, setup);
1597         }
1598 #endif
1599
1600         if (ret != 0) {
1601                 kfree(codec->private_data);
1602                 kfree(codec);
1603         }
1604         return ret;
1605 }
1606
1607 /* power down chip */
1608 static int wm8990_remove(struct platform_device *pdev)
1609 {
1610         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1611         struct snd_soc_codec *codec = socdev->card->codec;
1612
1613         if (codec->control_data)
1614                 wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
1615         snd_soc_free_pcms(socdev);
1616         snd_soc_dapm_free(socdev);
1617 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1618         i2c_unregister_device(codec->control_data);
1619         i2c_del_driver(&wm8990_i2c_driver);
1620 #endif
1621         kfree(codec->private_data);
1622         kfree(codec);
1623
1624         return 0;
1625 }
1626
1627 struct snd_soc_codec_device soc_codec_dev_wm8990 = {
1628         .probe =        wm8990_probe,
1629         .remove =       wm8990_remove,
1630         .suspend =      wm8990_suspend,
1631         .resume =       wm8990_resume,
1632 };
1633 EXPORT_SYMBOL_GPL(soc_codec_dev_wm8990);
1634
1635 static int __init wm8990_modinit(void)
1636 {
1637         return snd_soc_register_dai(&wm8990_dai);
1638 }
1639 module_init(wm8990_modinit);
1640
1641 static void __exit wm8990_exit(void)
1642 {
1643         snd_soc_unregister_dai(&wm8990_dai);
1644 }
1645 module_exit(wm8990_exit);
1646
1647 MODULE_DESCRIPTION("ASoC WM8990 driver");
1648 MODULE_AUTHOR("Liam Girdwood");
1649 MODULE_LICENSE("GPL");