linux/sound/soc/codecs/wm8995.c
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   1/*
   2 * wm8995.c  --  WM8995 ALSA SoC Audio driver
   3 *
   4 * Copyright 2010 Wolfson Microelectronics plc
   5 *
   6 * Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
   7 *
   8 * Based on wm8994.c and wm_hubs.c by Mark Brown
   9 *
  10 * This program is free software; you can redistribute it and/or modify
  11 * it under the terms of the GNU General Public License version 2 as
  12 * published by the Free Software Foundation.
  13 */
  14
  15#include <linux/module.h>
  16#include <linux/moduleparam.h>
  17#include <linux/init.h>
  18#include <linux/delay.h>
  19#include <linux/pm.h>
  20#include <linux/i2c.h>
  21#include <linux/regmap.h>
  22#include <linux/spi/spi.h>
  23#include <linux/regulator/consumer.h>
  24#include <linux/slab.h>
  25#include <sound/core.h>
  26#include <sound/pcm.h>
  27#include <sound/pcm_params.h>
  28#include <sound/soc.h>
  29#include <sound/soc-dapm.h>
  30#include <sound/initval.h>
  31#include <sound/tlv.h>
  32
  33#include "wm8995.h"
  34
  35#define WM8995_NUM_SUPPLIES 8
  36static const char *wm8995_supply_names[WM8995_NUM_SUPPLIES] = {
  37        "DCVDD",
  38        "DBVDD1",
  39        "DBVDD2",
  40        "DBVDD3",
  41        "AVDD1",
  42        "AVDD2",
  43        "CPVDD",
  44        "MICVDD"
  45};
  46
  47static struct reg_default wm8995_reg_defaults[] = {
  48        { 0, 0x8995 },
  49        { 5, 0x0100 },
  50        { 16, 0x000b },
  51        { 17, 0x000b },
  52        { 24, 0x02c0 },
  53        { 25, 0x02c0 },
  54        { 26, 0x02c0 },
  55        { 27, 0x02c0 },
  56        { 28, 0x000f },
  57        { 32, 0x0005 },
  58        { 33, 0x0005 },
  59        { 40, 0x0003 },
  60        { 41, 0x0013 },
  61        { 48, 0x0004 },
  62        { 56, 0x09f8 },
  63        { 64, 0x1f25 },
  64        { 69, 0x0004 },
  65        { 82, 0xaaaa },
  66        { 84, 0x2a2a },
  67        { 146, 0x0060 },
  68        { 256, 0x0002 },
  69        { 257, 0x8004 },
  70        { 520, 0x0010 },
  71        { 528, 0x0083 },
  72        { 529, 0x0083 },
  73        { 548, 0x0c80 },
  74        { 580, 0x0c80 },
  75        { 768, 0x4050 },
  76        { 769, 0x4000 },
  77        { 771, 0x0040 },
  78        { 772, 0x0040 },
  79        { 773, 0x0040 },
  80        { 774, 0x0004 },
  81        { 775, 0x0100 },
  82        { 784, 0x4050 },
  83        { 785, 0x4000 },
  84        { 787, 0x0040 },
  85        { 788, 0x0040 },
  86        { 789, 0x0040 },
  87        { 1024, 0x00c0 },
  88        { 1025, 0x00c0 },
  89        { 1026, 0x00c0 },
  90        { 1027, 0x00c0 },
  91        { 1028, 0x00c0 },
  92        { 1029, 0x00c0 },
  93        { 1030, 0x00c0 },
  94        { 1031, 0x00c0 },
  95        { 1056, 0x0200 },
  96        { 1057, 0x0010 },
  97        { 1058, 0x0200 },
  98        { 1059, 0x0010 },
  99        { 1088, 0x0098 },
 100        { 1089, 0x0845 },
 101        { 1104, 0x0098 },
 102        { 1105, 0x0845 },
 103        { 1152, 0x6318 },
 104        { 1153, 0x6300 },
 105        { 1154, 0x0fca },
 106        { 1155, 0x0400 },
 107        { 1156, 0x00d8 },
 108        { 1157, 0x1eb5 },
 109        { 1158, 0xf145 },
 110        { 1159, 0x0b75 },
 111        { 1160, 0x01c5 },
 112        { 1161, 0x1c58 },
 113        { 1162, 0xf373 },
 114        { 1163, 0x0a54 },
 115        { 1164, 0x0558 },
 116        { 1165, 0x168e },
 117        { 1166, 0xf829 },
 118        { 1167, 0x07ad },
 119        { 1168, 0x1103 },
 120        { 1169, 0x0564 },
 121        { 1170, 0x0559 },
 122        { 1171, 0x4000 },
 123        { 1184, 0x6318 },
 124        { 1185, 0x6300 },
 125        { 1186, 0x0fca },
 126        { 1187, 0x0400 },
 127        { 1188, 0x00d8 },
 128        { 1189, 0x1eb5 },
 129        { 1190, 0xf145 },
 130        { 1191, 0x0b75 },
 131        { 1192, 0x01c5 },
 132        { 1193, 0x1c58 },
 133        { 1194, 0xf373 },
 134        { 1195, 0x0a54 },
 135        { 1196, 0x0558 },
 136        { 1197, 0x168e },
 137        { 1198, 0xf829 },
 138        { 1199, 0x07ad },
 139        { 1200, 0x1103 },
 140        { 1201, 0x0564 },
 141        { 1202, 0x0559 },
 142        { 1203, 0x4000 },
 143        { 1280, 0x00c0 },
 144        { 1281, 0x00c0 },
 145        { 1282, 0x00c0 },
 146        { 1283, 0x00c0 },
 147        { 1312, 0x0200 },
 148        { 1313, 0x0010 },
 149        { 1344, 0x0098 },
 150        { 1345, 0x0845 },
 151        { 1408, 0x6318 },
 152        { 1409, 0x6300 },
 153        { 1410, 0x0fca },
 154        { 1411, 0x0400 },
 155        { 1412, 0x00d8 },
 156        { 1413, 0x1eb5 },
 157        { 1414, 0xf145 },
 158        { 1415, 0x0b75 },
 159        { 1416, 0x01c5 },
 160        { 1417, 0x1c58 },
 161        { 1418, 0xf373 },
 162        { 1419, 0x0a54 },
 163        { 1420, 0x0558 },
 164        { 1421, 0x168e },
 165        { 1422, 0xf829 },
 166        { 1423, 0x07ad },
 167        { 1424, 0x1103 },
 168        { 1425, 0x0564 },
 169        { 1426, 0x0559 },
 170        { 1427, 0x4000 },
 171        { 1568, 0x0002 },
 172        { 1792, 0xa100 },
 173        { 1793, 0xa101 },
 174        { 1794, 0xa101 },
 175        { 1795, 0xa101 },
 176        { 1796, 0xa101 },
 177        { 1797, 0xa101 },
 178        { 1798, 0xa101 },
 179        { 1799, 0xa101 },
 180        { 1800, 0xa101 },
 181        { 1801, 0xa101 },
 182        { 1802, 0xa101 },
 183        { 1803, 0xa101 },
 184        { 1804, 0xa101 },
 185        { 1805, 0xa101 },
 186        { 1825, 0x0055 },
 187        { 1848, 0x3fff },
 188        { 1849, 0x1fff },
 189        { 2049, 0x0001 },
 190        { 2050, 0x0069 },
 191        { 2056, 0x0002 },
 192        { 2057, 0x0003 },
 193        { 2058, 0x0069 },
 194        { 12288, 0x0001 },
 195        { 12289, 0x0001 },
 196        { 12291, 0x0006 },
 197        { 12292, 0x0040 },
 198        { 12293, 0x0001 },
 199        { 12294, 0x000f },
 200        { 12295, 0x0006 },
 201        { 12296, 0x0001 },
 202        { 12297, 0x0003 },
 203        { 12298, 0x0104 },
 204        { 12300, 0x0060 },
 205        { 12301, 0x0011 },
 206        { 12302, 0x0401 },
 207        { 12304, 0x0050 },
 208        { 12305, 0x0003 },
 209        { 12306, 0x0100 },
 210        { 12308, 0x0051 },
 211        { 12309, 0x0003 },
 212        { 12310, 0x0104 },
 213        { 12311, 0x000a },
 214        { 12312, 0x0060 },
 215        { 12313, 0x003b },
 216        { 12314, 0x0502 },
 217        { 12315, 0x0100 },
 218        { 12316, 0x2fff },
 219        { 12320, 0x2fff },
 220        { 12324, 0x2fff },
 221        { 12328, 0x2fff },
 222        { 12332, 0x2fff },
 223        { 12336, 0x2fff },
 224        { 12340, 0x2fff },
 225        { 12344, 0x2fff },
 226        { 12348, 0x2fff },
 227        { 12352, 0x0001 },
 228        { 12353, 0x0001 },
 229        { 12355, 0x0006 },
 230        { 12356, 0x0040 },
 231        { 12357, 0x0001 },
 232        { 12358, 0x000f },
 233        { 12359, 0x0006 },
 234        { 12360, 0x0001 },
 235        { 12361, 0x0003 },
 236        { 12362, 0x0104 },
 237        { 12364, 0x0060 },
 238        { 12365, 0x0011 },
 239        { 12366, 0x0401 },
 240        { 12368, 0x0050 },
 241        { 12369, 0x0003 },
 242        { 12370, 0x0100 },
 243        { 12372, 0x0060 },
 244        { 12373, 0x003b },
 245        { 12374, 0x0502 },
 246        { 12375, 0x0100 },
 247        { 12376, 0x2fff },
 248        { 12380, 0x2fff },
 249        { 12384, 0x2fff },
 250        { 12388, 0x2fff },
 251        { 12392, 0x2fff },
 252        { 12396, 0x2fff },
 253        { 12400, 0x2fff },
 254        { 12404, 0x2fff },
 255        { 12408, 0x2fff },
 256        { 12412, 0x2fff },
 257        { 12416, 0x0001 },
 258        { 12417, 0x0001 },
 259        { 12419, 0x0006 },
 260        { 12420, 0x0040 },
 261        { 12421, 0x0001 },
 262        { 12422, 0x000f },
 263        { 12423, 0x0006 },
 264        { 12424, 0x0001 },
 265        { 12425, 0x0003 },
 266        { 12426, 0x0106 },
 267        { 12428, 0x0061 },
 268        { 12429, 0x0011 },
 269        { 12430, 0x0401 },
 270        { 12432, 0x0050 },
 271        { 12433, 0x0003 },
 272        { 12434, 0x0102 },
 273        { 12436, 0x0051 },
 274        { 12437, 0x0003 },
 275        { 12438, 0x0106 },
 276        { 12439, 0x000a },
 277        { 12440, 0x0061 },
 278        { 12441, 0x003b },
 279        { 12442, 0x0502 },
 280        { 12443, 0x0100 },
 281        { 12444, 0x2fff },
 282        { 12448, 0x2fff },
 283        { 12452, 0x2fff },
 284        { 12456, 0x2fff },
 285        { 12460, 0x2fff },
 286        { 12464, 0x2fff },
 287        { 12468, 0x2fff },
 288        { 12472, 0x2fff },
 289        { 12476, 0x2fff },
 290        { 12480, 0x0001 },
 291        { 12481, 0x0001 },
 292        { 12483, 0x0006 },
 293        { 12484, 0x0040 },
 294        { 12485, 0x0001 },
 295        { 12486, 0x000f },
 296        { 12487, 0x0006 },
 297        { 12488, 0x0001 },
 298        { 12489, 0x0003 },
 299        { 12490, 0x0106 },
 300        { 12492, 0x0061 },
 301        { 12493, 0x0011 },
 302        { 12494, 0x0401 },
 303        { 12496, 0x0050 },
 304        { 12497, 0x0003 },
 305        { 12498, 0x0102 },
 306        { 12500, 0x0061 },
 307        { 12501, 0x003b },
 308        { 12502, 0x0502 },
 309        { 12503, 0x0100 },
 310        { 12504, 0x2fff },
 311        { 12508, 0x2fff },
 312        { 12512, 0x2fff },
 313        { 12516, 0x2fff },
 314        { 12520, 0x2fff },
 315        { 12524, 0x2fff },
 316        { 12528, 0x2fff },
 317        { 12532, 0x2fff },
 318        { 12536, 0x2fff },
 319        { 12540, 0x2fff },
 320        { 12544, 0x0060 },
 321        { 12546, 0x0601 },
 322        { 12548, 0x0050 },
 323        { 12550, 0x0100 },
 324        { 12552, 0x0001 },
 325        { 12554, 0x0104 },
 326        { 12555, 0x0100 },
 327        { 12556, 0x2fff },
 328        { 12560, 0x2fff },
 329        { 12564, 0x2fff },
 330        { 12568, 0x2fff },
 331        { 12572, 0x2fff },
 332        { 12576, 0x2fff },
 333        { 12580, 0x2fff },
 334        { 12584, 0x2fff },
 335        { 12588, 0x2fff },
 336        { 12592, 0x2fff },
 337        { 12596, 0x2fff },
 338        { 12600, 0x2fff },
 339        { 12604, 0x2fff },
 340        { 12608, 0x0061 },
 341        { 12610, 0x0601 },
 342        { 12612, 0x0050 },
 343        { 12614, 0x0102 },
 344        { 12616, 0x0001 },
 345        { 12618, 0x0106 },
 346        { 12619, 0x0100 },
 347        { 12620, 0x2fff },
 348        { 12624, 0x2fff },
 349        { 12628, 0x2fff },
 350        { 12632, 0x2fff },
 351        { 12636, 0x2fff },
 352        { 12640, 0x2fff },
 353        { 12644, 0x2fff },
 354        { 12648, 0x2fff },
 355        { 12652, 0x2fff },
 356        { 12656, 0x2fff },
 357        { 12660, 0x2fff },
 358        { 12664, 0x2fff },
 359        { 12668, 0x2fff },
 360        { 12672, 0x0060 },
 361        { 12674, 0x0601 },
 362        { 12676, 0x0061 },
 363        { 12678, 0x0601 },
 364        { 12680, 0x0050 },
 365        { 12682, 0x0300 },
 366        { 12684, 0x0001 },
 367        { 12686, 0x0304 },
 368        { 12688, 0x0040 },
 369        { 12690, 0x000f },
 370        { 12692, 0x0001 },
 371        { 12695, 0x0100 },
 372};
 373
 374struct fll_config {
 375        int src;
 376        int in;
 377        int out;
 378};
 379
 380struct wm8995_priv {
 381        struct regmap *regmap;
 382        int sysclk[2];
 383        int mclk[2];
 384        int aifclk[2];
 385        struct fll_config fll[2], fll_suspend[2];
 386        struct regulator_bulk_data supplies[WM8995_NUM_SUPPLIES];
 387        struct notifier_block disable_nb[WM8995_NUM_SUPPLIES];
 388        struct snd_soc_codec *codec;
 389};
 390
 391/*
 392 * We can't use the same notifier block for more than one supply and
 393 * there's no way I can see to get from a callback to the caller
 394 * except container_of().
 395 */
 396#define WM8995_REGULATOR_EVENT(n) \
 397static int wm8995_regulator_event_##n(struct notifier_block *nb, \
 398                                      unsigned long event, void *data)    \
 399{ \
 400        struct wm8995_priv *wm8995 = container_of(nb, struct wm8995_priv, \
 401                                     disable_nb[n]); \
 402        if (event & REGULATOR_EVENT_DISABLE) { \
 403                regcache_mark_dirty(wm8995->regmap);    \
 404        } \
 405        return 0; \
 406}
 407
 408WM8995_REGULATOR_EVENT(0)
 409WM8995_REGULATOR_EVENT(1)
 410WM8995_REGULATOR_EVENT(2)
 411WM8995_REGULATOR_EVENT(3)
 412WM8995_REGULATOR_EVENT(4)
 413WM8995_REGULATOR_EVENT(5)
 414WM8995_REGULATOR_EVENT(6)
 415WM8995_REGULATOR_EVENT(7)
 416
 417static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
 418static const DECLARE_TLV_DB_SCALE(in1lr_pga_tlv, -1650, 150, 0);
 419static const DECLARE_TLV_DB_SCALE(in1l_boost_tlv, 0, 600, 0);
 420static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
 421
 422static const char *in1l_text[] = {
 423        "Differential", "Single-ended IN1LN", "Single-ended IN1LP"
 424};
 425
 426static const SOC_ENUM_SINGLE_DECL(in1l_enum, WM8995_LEFT_LINE_INPUT_CONTROL,
 427                                  2, in1l_text);
 428
 429static const char *in1r_text[] = {
 430        "Differential", "Single-ended IN1RN", "Single-ended IN1RP"
 431};
 432
 433static const SOC_ENUM_SINGLE_DECL(in1r_enum, WM8995_LEFT_LINE_INPUT_CONTROL,
 434                                  0, in1r_text);
 435
 436static const char *dmic_src_text[] = {
 437        "DMICDAT1", "DMICDAT2", "DMICDAT3"
 438};
 439
 440static const SOC_ENUM_SINGLE_DECL(dmic_src1_enum, WM8995_POWER_MANAGEMENT_5,
 441                                  8, dmic_src_text);
 442static const SOC_ENUM_SINGLE_DECL(dmic_src2_enum, WM8995_POWER_MANAGEMENT_5,
 443                                  6, dmic_src_text);
 444
 445static const struct snd_kcontrol_new wm8995_snd_controls[] = {
 446        SOC_DOUBLE_R_TLV("DAC1 Volume", WM8995_DAC1_LEFT_VOLUME,
 447                WM8995_DAC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
 448        SOC_DOUBLE_R("DAC1 Switch", WM8995_DAC1_LEFT_VOLUME,
 449                WM8995_DAC1_RIGHT_VOLUME, 9, 1, 1),
 450
 451        SOC_DOUBLE_R_TLV("DAC2 Volume", WM8995_DAC2_LEFT_VOLUME,
 452                WM8995_DAC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
 453        SOC_DOUBLE_R("DAC2 Switch", WM8995_DAC2_LEFT_VOLUME,
 454                WM8995_DAC2_RIGHT_VOLUME, 9, 1, 1),
 455
 456        SOC_DOUBLE_R_TLV("AIF1DAC1 Volume", WM8995_AIF1_DAC1_LEFT_VOLUME,
 457                WM8995_AIF1_DAC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
 458        SOC_DOUBLE_R_TLV("AIF1DAC2 Volume", WM8995_AIF1_DAC2_LEFT_VOLUME,
 459                WM8995_AIF1_DAC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
 460        SOC_DOUBLE_R_TLV("AIF2DAC Volume", WM8995_AIF2_DAC_LEFT_VOLUME,
 461                WM8995_AIF2_DAC_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
 462
 463        SOC_DOUBLE_R_TLV("IN1LR Volume", WM8995_LEFT_LINE_INPUT_1_VOLUME,
 464                WM8995_RIGHT_LINE_INPUT_1_VOLUME, 0, 31, 0, in1lr_pga_tlv),
 465
 466        SOC_SINGLE_TLV("IN1L Boost", WM8995_LEFT_LINE_INPUT_CONTROL,
 467                4, 3, 0, in1l_boost_tlv),
 468
 469        SOC_ENUM("IN1L Mode", in1l_enum),
 470        SOC_ENUM("IN1R Mode", in1r_enum),
 471
 472        SOC_ENUM("DMIC1 SRC", dmic_src1_enum),
 473        SOC_ENUM("DMIC2 SRC", dmic_src2_enum),
 474
 475        SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8995_DAC1_MIXER_VOLUMES, 0, 5,
 476                24, 0, sidetone_tlv),
 477        SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8995_DAC2_MIXER_VOLUMES, 0, 5,
 478                24, 0, sidetone_tlv),
 479
 480        SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8995_AIF1_ADC1_LEFT_VOLUME,
 481                WM8995_AIF1_ADC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
 482        SOC_DOUBLE_R_TLV("AIF1ADC2 Volume", WM8995_AIF1_ADC2_LEFT_VOLUME,
 483                WM8995_AIF1_ADC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
 484        SOC_DOUBLE_R_TLV("AIF2ADC Volume", WM8995_AIF2_ADC_LEFT_VOLUME,
 485                WM8995_AIF2_ADC_RIGHT_VOLUME, 0, 96, 0, digital_tlv)
 486};
 487
 488static void wm8995_update_class_w(struct snd_soc_codec *codec)
 489{
 490        int enable = 1;
 491        int source = 0;  /* GCC flow analysis can't track enable */
 492        int reg, reg_r;
 493
 494        /* We also need the same setting for L/R and only one path */
 495        reg = snd_soc_read(codec, WM8995_DAC1_LEFT_MIXER_ROUTING);
 496        switch (reg) {
 497        case WM8995_AIF2DACL_TO_DAC1L:
 498                dev_dbg(codec->dev, "Class W source AIF2DAC\n");
 499                source = 2 << WM8995_CP_DYN_SRC_SEL_SHIFT;
 500                break;
 501        case WM8995_AIF1DAC2L_TO_DAC1L:
 502                dev_dbg(codec->dev, "Class W source AIF1DAC2\n");
 503                source = 1 << WM8995_CP_DYN_SRC_SEL_SHIFT;
 504                break;
 505        case WM8995_AIF1DAC1L_TO_DAC1L:
 506                dev_dbg(codec->dev, "Class W source AIF1DAC1\n");
 507                source = 0 << WM8995_CP_DYN_SRC_SEL_SHIFT;
 508                break;
 509        default:
 510                dev_dbg(codec->dev, "DAC mixer setting: %x\n", reg);
 511                enable = 0;
 512                break;
 513        }
 514
 515        reg_r = snd_soc_read(codec, WM8995_DAC1_RIGHT_MIXER_ROUTING);
 516        if (reg_r != reg) {
 517                dev_dbg(codec->dev, "Left and right DAC mixers different\n");
 518                enable = 0;
 519        }
 520
 521        if (enable) {
 522                dev_dbg(codec->dev, "Class W enabled\n");
 523                snd_soc_update_bits(codec, WM8995_CLASS_W_1,
 524                                    WM8995_CP_DYN_PWR_MASK |
 525                                    WM8995_CP_DYN_SRC_SEL_MASK,
 526                                    source | WM8995_CP_DYN_PWR);
 527        } else {
 528                dev_dbg(codec->dev, "Class W disabled\n");
 529                snd_soc_update_bits(codec, WM8995_CLASS_W_1,
 530                                    WM8995_CP_DYN_PWR_MASK, 0);
 531        }
 532}
 533
 534static int check_clk_sys(struct snd_soc_dapm_widget *source,
 535                         struct snd_soc_dapm_widget *sink)
 536{
 537        unsigned int reg;
 538        const char *clk;
 539
 540        reg = snd_soc_read(source->codec, WM8995_CLOCKING_1);
 541        /* Check what we're currently using for CLK_SYS */
 542        if (reg & WM8995_SYSCLK_SRC)
 543                clk = "AIF2CLK";
 544        else
 545                clk = "AIF1CLK";
 546        return !strcmp(source->name, clk);
 547}
 548
 549static int wm8995_put_class_w(struct snd_kcontrol *kcontrol,
 550                              struct snd_ctl_elem_value *ucontrol)
 551{
 552        struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 553        int ret;
 554
 555        ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
 556        wm8995_update_class_w(codec);
 557        return ret;
 558}
 559
 560static int hp_supply_event(struct snd_soc_dapm_widget *w,
 561                           struct snd_kcontrol *kcontrol, int event)
 562{
 563        struct snd_soc_codec *codec;
 564        struct wm8995_priv *wm8995;
 565
 566        codec = w->codec;
 567        wm8995 = snd_soc_codec_get_drvdata(codec);
 568
 569        switch (event) {
 570        case SND_SOC_DAPM_PRE_PMU:
 571                /* Enable the headphone amp */
 572                snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
 573                                    WM8995_HPOUT1L_ENA_MASK |
 574                                    WM8995_HPOUT1R_ENA_MASK,
 575                                    WM8995_HPOUT1L_ENA |
 576                                    WM8995_HPOUT1R_ENA);
 577
 578                /* Enable the second stage */
 579                snd_soc_update_bits(codec, WM8995_ANALOGUE_HP_1,
 580                                    WM8995_HPOUT1L_DLY_MASK |
 581                                    WM8995_HPOUT1R_DLY_MASK,
 582                                    WM8995_HPOUT1L_DLY |
 583                                    WM8995_HPOUT1R_DLY);
 584                break;
 585        case SND_SOC_DAPM_PRE_PMD:
 586                snd_soc_update_bits(codec, WM8995_CHARGE_PUMP_1,
 587                                    WM8995_CP_ENA_MASK, 0);
 588                break;
 589        }
 590
 591        return 0;
 592}
 593
 594static void dc_servo_cmd(struct snd_soc_codec *codec,
 595                         unsigned int reg, unsigned int val, unsigned int mask)
 596{
 597        int timeout = 10;
 598
 599        dev_dbg(codec->dev, "%s: reg = %#x, val = %#x, mask = %#x\n",
 600                __func__, reg, val, mask);
 601
 602        snd_soc_write(codec, reg, val);
 603        while (timeout--) {
 604                msleep(10);
 605                val = snd_soc_read(codec, WM8995_DC_SERVO_READBACK_0);
 606                if ((val & mask) == mask)
 607                        return;
 608        }
 609
 610        dev_err(codec->dev, "Timed out waiting for DC Servo\n");
 611}
 612
 613static int hp_event(struct snd_soc_dapm_widget *w,
 614                    struct snd_kcontrol *kcontrol, int event)
 615{
 616        struct snd_soc_codec *codec;
 617        unsigned int reg;
 618
 619        codec = w->codec;
 620        reg = snd_soc_read(codec, WM8995_ANALOGUE_HP_1);
 621
 622        switch (event) {
 623        case SND_SOC_DAPM_POST_PMU:
 624                snd_soc_update_bits(codec, WM8995_CHARGE_PUMP_1,
 625                                    WM8995_CP_ENA_MASK, WM8995_CP_ENA);
 626
 627                msleep(5);
 628
 629                snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
 630                                    WM8995_HPOUT1L_ENA_MASK |
 631                                    WM8995_HPOUT1R_ENA_MASK,
 632                                    WM8995_HPOUT1L_ENA | WM8995_HPOUT1R_ENA);
 633
 634                udelay(20);
 635
 636                reg |= WM8995_HPOUT1L_DLY | WM8995_HPOUT1R_DLY;
 637                snd_soc_write(codec, WM8995_ANALOGUE_HP_1, reg);
 638
 639                snd_soc_write(codec, WM8995_DC_SERVO_1, WM8995_DCS_ENA_CHAN_0 |
 640                              WM8995_DCS_ENA_CHAN_1);
 641
 642                dc_servo_cmd(codec, WM8995_DC_SERVO_2,
 643                             WM8995_DCS_TRIG_STARTUP_0 |
 644                             WM8995_DCS_TRIG_STARTUP_1,
 645                             WM8995_DCS_TRIG_DAC_WR_0 |
 646                             WM8995_DCS_TRIG_DAC_WR_1);
 647
 648                reg |= WM8995_HPOUT1R_OUTP | WM8995_HPOUT1R_RMV_SHORT |
 649                       WM8995_HPOUT1L_OUTP | WM8995_HPOUT1L_RMV_SHORT;
 650                snd_soc_write(codec, WM8995_ANALOGUE_HP_1, reg);
 651
 652                break;
 653        case SND_SOC_DAPM_PRE_PMD:
 654                snd_soc_update_bits(codec, WM8995_ANALOGUE_HP_1,
 655                                    WM8995_HPOUT1L_OUTP_MASK |
 656                                    WM8995_HPOUT1R_OUTP_MASK |
 657                                    WM8995_HPOUT1L_RMV_SHORT_MASK |
 658                                    WM8995_HPOUT1R_RMV_SHORT_MASK, 0);
 659
 660                snd_soc_update_bits(codec, WM8995_ANALOGUE_HP_1,
 661                                    WM8995_HPOUT1L_DLY_MASK |
 662                                    WM8995_HPOUT1R_DLY_MASK, 0);
 663
 664                snd_soc_write(codec, WM8995_DC_SERVO_1, 0);
 665
 666                snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
 667                                    WM8995_HPOUT1L_ENA_MASK |
 668                                    WM8995_HPOUT1R_ENA_MASK,
 669                                    0);
 670                break;
 671        }
 672
 673        return 0;
 674}
 675
 676static int configure_aif_clock(struct snd_soc_codec *codec, int aif)
 677{
 678        struct wm8995_priv *wm8995;
 679        int rate;
 680        int reg1 = 0;
 681        int offset;
 682
 683        wm8995 = snd_soc_codec_get_drvdata(codec);
 684
 685        if (aif)
 686                offset = 4;
 687        else
 688                offset = 0;
 689
 690        switch (wm8995->sysclk[aif]) {
 691        case WM8995_SYSCLK_MCLK1:
 692                rate = wm8995->mclk[0];
 693                break;
 694        case WM8995_SYSCLK_MCLK2:
 695                reg1 |= 0x8;
 696                rate = wm8995->mclk[1];
 697                break;
 698        case WM8995_SYSCLK_FLL1:
 699                reg1 |= 0x10;
 700                rate = wm8995->fll[0].out;
 701                break;
 702        case WM8995_SYSCLK_FLL2:
 703                reg1 |= 0x18;
 704                rate = wm8995->fll[1].out;
 705                break;
 706        default:
 707                return -EINVAL;
 708        }
 709
 710        if (rate >= 13500000) {
 711                rate /= 2;
 712                reg1 |= WM8995_AIF1CLK_DIV;
 713
 714                dev_dbg(codec->dev, "Dividing AIF%d clock to %dHz\n",
 715                        aif + 1, rate);
 716        }
 717
 718        wm8995->aifclk[aif] = rate;
 719
 720        snd_soc_update_bits(codec, WM8995_AIF1_CLOCKING_1 + offset,
 721                            WM8995_AIF1CLK_SRC_MASK | WM8995_AIF1CLK_DIV_MASK,
 722                            reg1);
 723        return 0;
 724}
 725
 726static int configure_clock(struct snd_soc_codec *codec)
 727{
 728        struct wm8995_priv *wm8995;
 729        int change, new;
 730
 731        wm8995 = snd_soc_codec_get_drvdata(codec);
 732
 733        /* Bring up the AIF clocks first */
 734        configure_aif_clock(codec, 0);
 735        configure_aif_clock(codec, 1);
 736
 737        /*
 738         * Then switch CLK_SYS over to the higher of them; a change
 739         * can only happen as a result of a clocking change which can
 740         * only be made outside of DAPM so we can safely redo the
 741         * clocking.
 742         */
 743
 744        /* If they're equal it doesn't matter which is used */
 745        if (wm8995->aifclk[0] == wm8995->aifclk[1])
 746                return 0;
 747
 748        if (wm8995->aifclk[0] < wm8995->aifclk[1])
 749                new = WM8995_SYSCLK_SRC;
 750        else
 751                new = 0;
 752
 753        change = snd_soc_update_bits(codec, WM8995_CLOCKING_1,
 754                                     WM8995_SYSCLK_SRC_MASK, new);
 755        if (!change)
 756                return 0;
 757
 758        snd_soc_dapm_sync(&codec->dapm);
 759
 760        return 0;
 761}
 762
 763static int clk_sys_event(struct snd_soc_dapm_widget *w,
 764                         struct snd_kcontrol *kcontrol, int event)
 765{
 766        struct snd_soc_codec *codec;
 767
 768        codec = w->codec;
 769
 770        switch (event) {
 771        case SND_SOC_DAPM_PRE_PMU:
 772                return configure_clock(codec);
 773
 774        case SND_SOC_DAPM_POST_PMD:
 775                configure_clock(codec);
 776                break;
 777        }
 778
 779        return 0;
 780}
 781
 782static const char *sidetone_text[] = {
 783        "ADC/DMIC1", "DMIC2",
 784};
 785
 786static const struct soc_enum sidetone1_enum =
 787        SOC_ENUM_SINGLE(WM8995_SIDETONE, 0, 2, sidetone_text);
 788
 789static const struct snd_kcontrol_new sidetone1_mux =
 790        SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum);
 791
 792static const struct soc_enum sidetone2_enum =
 793        SOC_ENUM_SINGLE(WM8995_SIDETONE, 1, 2, sidetone_text);
 794
 795static const struct snd_kcontrol_new sidetone2_mux =
 796        SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum);
 797
 798static const struct snd_kcontrol_new aif1adc1l_mix[] = {
 799        SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING,
 800                1, 1, 0),
 801        SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING,
 802                0, 1, 0),
 803};
 804
 805static const struct snd_kcontrol_new aif1adc1r_mix[] = {
 806        SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING,
 807                1, 1, 0),
 808        SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING,
 809                0, 1, 0),
 810};
 811
 812static const struct snd_kcontrol_new aif1adc2l_mix[] = {
 813        SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING,
 814                1, 1, 0),
 815        SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING,
 816                0, 1, 0),
 817};
 818
 819static const struct snd_kcontrol_new aif1adc2r_mix[] = {
 820        SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING,
 821                1, 1, 0),
 822        SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING,
 823                0, 1, 0),
 824};
 825
 826static const struct snd_kcontrol_new dac1l_mix[] = {
 827        WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
 828                5, 1, 0),
 829        WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
 830                4, 1, 0),
 831        WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
 832                2, 1, 0),
 833        WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
 834                1, 1, 0),
 835        WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
 836                0, 1, 0),
 837};
 838
 839static const struct snd_kcontrol_new dac1r_mix[] = {
 840        WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
 841                5, 1, 0),
 842        WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
 843                4, 1, 0),
 844        WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
 845                2, 1, 0),
 846        WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
 847                1, 1, 0),
 848        WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
 849                0, 1, 0),
 850};
 851
 852static const struct snd_kcontrol_new aif2dac2l_mix[] = {
 853        SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
 854                5, 1, 0),
 855        SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
 856                4, 1, 0),
 857        SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
 858                2, 1, 0),
 859        SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
 860                1, 1, 0),
 861        SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
 862                0, 1, 0),
 863};
 864
 865static const struct snd_kcontrol_new aif2dac2r_mix[] = {
 866        SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
 867                5, 1, 0),
 868        SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
 869                4, 1, 0),
 870        SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
 871                2, 1, 0),
 872        SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
 873                1, 1, 0),
 874        SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
 875                0, 1, 0),
 876};
 877
 878static const struct snd_kcontrol_new in1l_pga =
 879        SOC_DAPM_SINGLE("IN1L Switch", WM8995_POWER_MANAGEMENT_2, 5, 1, 0);
 880
 881static const struct snd_kcontrol_new in1r_pga =
 882        SOC_DAPM_SINGLE("IN1R Switch", WM8995_POWER_MANAGEMENT_2, 4, 1, 0);
 883
 884static const char *adc_mux_text[] = {
 885        "ADC",
 886        "DMIC",
 887};
 888
 889static const struct soc_enum adc_enum =
 890        SOC_ENUM_SINGLE(0, 0, 2, adc_mux_text);
 891
 892static const struct snd_kcontrol_new adcl_mux =
 893        SOC_DAPM_ENUM_VIRT("ADCL Mux", adc_enum);
 894
 895static const struct snd_kcontrol_new adcr_mux =
 896        SOC_DAPM_ENUM_VIRT("ADCR Mux", adc_enum);
 897
 898static const char *spk_src_text[] = {
 899        "DAC1L", "DAC1R", "DAC2L", "DAC2R"
 900};
 901
 902static const SOC_ENUM_SINGLE_DECL(spk1l_src_enum, WM8995_LEFT_PDM_SPEAKER_1,
 903                                  0, spk_src_text);
 904static const SOC_ENUM_SINGLE_DECL(spk1r_src_enum, WM8995_RIGHT_PDM_SPEAKER_1,
 905                                  0, spk_src_text);
 906static const SOC_ENUM_SINGLE_DECL(spk2l_src_enum, WM8995_LEFT_PDM_SPEAKER_2,
 907                                  0, spk_src_text);
 908static const SOC_ENUM_SINGLE_DECL(spk2r_src_enum, WM8995_RIGHT_PDM_SPEAKER_2,
 909                                  0, spk_src_text);
 910
 911static const struct snd_kcontrol_new spk1l_mux =
 912        SOC_DAPM_ENUM("SPK1L SRC", spk1l_src_enum);
 913static const struct snd_kcontrol_new spk1r_mux =
 914        SOC_DAPM_ENUM("SPK1R SRC", spk1r_src_enum);
 915static const struct snd_kcontrol_new spk2l_mux =
 916        SOC_DAPM_ENUM("SPK2L SRC", spk2l_src_enum);
 917static const struct snd_kcontrol_new spk2r_mux =
 918        SOC_DAPM_ENUM("SPK2R SRC", spk2r_src_enum);
 919
 920static const struct snd_soc_dapm_widget wm8995_dapm_widgets[] = {
 921        SND_SOC_DAPM_INPUT("DMIC1DAT"),
 922        SND_SOC_DAPM_INPUT("DMIC2DAT"),
 923
 924        SND_SOC_DAPM_INPUT("IN1L"),
 925        SND_SOC_DAPM_INPUT("IN1R"),
 926
 927        SND_SOC_DAPM_MIXER("IN1L PGA", SND_SOC_NOPM, 0, 0,
 928                &in1l_pga, 1),
 929        SND_SOC_DAPM_MIXER("IN1R PGA", SND_SOC_NOPM, 0, 0,
 930                &in1r_pga, 1),
 931
 932        SND_SOC_DAPM_SUPPLY("MICBIAS1", WM8995_POWER_MANAGEMENT_1, 8, 0,
 933                            NULL, 0),
 934        SND_SOC_DAPM_SUPPLY("MICBIAS2", WM8995_POWER_MANAGEMENT_1, 9, 0,
 935                            NULL, 0),
 936
 937        SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8995_AIF1_CLOCKING_1, 0, 0, NULL, 0),
 938        SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8995_AIF2_CLOCKING_1, 0, 0, NULL, 0),
 939        SND_SOC_DAPM_SUPPLY("DSP1CLK", WM8995_CLOCKING_1, 3, 0, NULL, 0),
 940        SND_SOC_DAPM_SUPPLY("DSP2CLK", WM8995_CLOCKING_1, 2, 0, NULL, 0),
 941        SND_SOC_DAPM_SUPPLY("SYSDSPCLK", WM8995_CLOCKING_1, 1, 0, NULL, 0),
 942        SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
 943                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 944
 945        SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", "AIF1 Capture", 0,
 946                WM8995_POWER_MANAGEMENT_3, 9, 0),
 947        SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", "AIF1 Capture", 0,
 948                WM8995_POWER_MANAGEMENT_3, 8, 0),
 949        SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", "AIF1 Capture", 0,
 950        SND_SOC_NOPM, 0, 0),
 951        SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", "AIF1 Capture",
 952                0, WM8995_POWER_MANAGEMENT_3, 11, 0),
 953        SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", "AIF1 Capture",
 954                0, WM8995_POWER_MANAGEMENT_3, 10, 0),
 955
 956        SND_SOC_DAPM_VIRT_MUX("ADCL Mux", SND_SOC_NOPM, 1, 0,
 957                &adcl_mux),
 958        SND_SOC_DAPM_VIRT_MUX("ADCR Mux", SND_SOC_NOPM, 0, 0,
 959                &adcr_mux),
 960
 961        SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8995_POWER_MANAGEMENT_3, 5, 0),
 962        SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8995_POWER_MANAGEMENT_3, 4, 0),
 963        SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8995_POWER_MANAGEMENT_3, 3, 0),
 964        SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8995_POWER_MANAGEMENT_3, 2, 0),
 965
 966        SND_SOC_DAPM_ADC("ADCL", NULL, WM8995_POWER_MANAGEMENT_3, 1, 0),
 967        SND_SOC_DAPM_ADC("ADCR", NULL, WM8995_POWER_MANAGEMENT_3, 0, 0),
 968
 969        SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0,
 970                aif1adc1l_mix, ARRAY_SIZE(aif1adc1l_mix)),
 971        SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0,
 972                aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)),
 973        SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0,
 974                aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)),
 975        SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0,
 976                aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)),
 977
 978        SND_SOC_DAPM_AIF_IN("AIF1DAC1L", NULL, 0, WM8995_POWER_MANAGEMENT_4,
 979                9, 0),
 980        SND_SOC_DAPM_AIF_IN("AIF1DAC1R", NULL, 0, WM8995_POWER_MANAGEMENT_4,
 981                8, 0),
 982        SND_SOC_DAPM_AIF_IN("AIF1DACDAT", "AIF1 Playback", 0, SND_SOC_NOPM,
 983                0, 0),
 984
 985        SND_SOC_DAPM_AIF_IN("AIF1DAC2L", NULL, 0, WM8995_POWER_MANAGEMENT_4,
 986                11, 0),
 987        SND_SOC_DAPM_AIF_IN("AIF1DAC2R", NULL, 0, WM8995_POWER_MANAGEMENT_4,
 988                10, 0),
 989
 990        SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0,
 991                aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)),
 992        SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0,
 993                aif2dac2r_mix, ARRAY_SIZE(aif2dac2r_mix)),
 994
 995        SND_SOC_DAPM_DAC("DAC2L", NULL, WM8995_POWER_MANAGEMENT_4, 3, 0),
 996        SND_SOC_DAPM_DAC("DAC2R", NULL, WM8995_POWER_MANAGEMENT_4, 2, 0),
 997        SND_SOC_DAPM_DAC("DAC1L", NULL, WM8995_POWER_MANAGEMENT_4, 1, 0),
 998        SND_SOC_DAPM_DAC("DAC1R", NULL, WM8995_POWER_MANAGEMENT_4, 0, 0),
 999
1000        SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0, dac1l_mix,
1001                ARRAY_SIZE(dac1l_mix)),
1002        SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0, dac1r_mix,
1003                ARRAY_SIZE(dac1r_mix)),
1004
1005        SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &sidetone1_mux),
1006        SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &sidetone2_mux),
1007
1008        SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1009                hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1010
1011        SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0,
1012                hp_supply_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1013
1014        SND_SOC_DAPM_MUX("SPK1L Driver", WM8995_LEFT_PDM_SPEAKER_1,
1015                4, 0, &spk1l_mux),
1016        SND_SOC_DAPM_MUX("SPK1R Driver", WM8995_RIGHT_PDM_SPEAKER_1,
1017                4, 0, &spk1r_mux),
1018        SND_SOC_DAPM_MUX("SPK2L Driver", WM8995_LEFT_PDM_SPEAKER_2,
1019                4, 0, &spk2l_mux),
1020        SND_SOC_DAPM_MUX("SPK2R Driver", WM8995_RIGHT_PDM_SPEAKER_2,
1021                4, 0, &spk2r_mux),
1022
1023        SND_SOC_DAPM_SUPPLY("LDO2", WM8995_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
1024
1025        SND_SOC_DAPM_OUTPUT("HP1L"),
1026        SND_SOC_DAPM_OUTPUT("HP1R"),
1027        SND_SOC_DAPM_OUTPUT("SPK1L"),
1028        SND_SOC_DAPM_OUTPUT("SPK1R"),
1029        SND_SOC_DAPM_OUTPUT("SPK2L"),
1030        SND_SOC_DAPM_OUTPUT("SPK2R")
1031};
1032
1033static const struct snd_soc_dapm_route wm8995_intercon[] = {
1034        { "CLK_SYS", NULL, "AIF1CLK", check_clk_sys },
1035        { "CLK_SYS", NULL, "AIF2CLK", check_clk_sys },
1036
1037        { "DSP1CLK", NULL, "CLK_SYS" },
1038        { "DSP2CLK", NULL, "CLK_SYS" },
1039        { "SYSDSPCLK", NULL, "CLK_SYS" },
1040
1041        { "AIF1ADC1L", NULL, "AIF1CLK" },
1042        { "AIF1ADC1L", NULL, "DSP1CLK" },
1043        { "AIF1ADC1R", NULL, "AIF1CLK" },
1044        { "AIF1ADC1R", NULL, "DSP1CLK" },
1045        { "AIF1ADC1R", NULL, "SYSDSPCLK" },
1046
1047        { "AIF1ADC2L", NULL, "AIF1CLK" },
1048        { "AIF1ADC2L", NULL, "DSP1CLK" },
1049        { "AIF1ADC2R", NULL, "AIF1CLK" },
1050        { "AIF1ADC2R", NULL, "DSP1CLK" },
1051        { "AIF1ADC2R", NULL, "SYSDSPCLK" },
1052
1053        { "DMIC1L", NULL, "DMIC1DAT" },
1054        { "DMIC1L", NULL, "CLK_SYS" },
1055        { "DMIC1R", NULL, "DMIC1DAT" },
1056        { "DMIC1R", NULL, "CLK_SYS" },
1057        { "DMIC2L", NULL, "DMIC2DAT" },
1058        { "DMIC2L", NULL, "CLK_SYS" },
1059        { "DMIC2R", NULL, "DMIC2DAT" },
1060        { "DMIC2R", NULL, "CLK_SYS" },
1061
1062        { "ADCL", NULL, "AIF1CLK" },
1063        { "ADCL", NULL, "DSP1CLK" },
1064        { "ADCL", NULL, "SYSDSPCLK" },
1065
1066        { "ADCR", NULL, "AIF1CLK" },
1067        { "ADCR", NULL, "DSP1CLK" },
1068        { "ADCR", NULL, "SYSDSPCLK" },
1069
1070        { "IN1L PGA", "IN1L Switch", "IN1L" },
1071        { "IN1R PGA", "IN1R Switch", "IN1R" },
1072        { "IN1L PGA", NULL, "LDO2" },
1073        { "IN1R PGA", NULL, "LDO2" },
1074
1075        { "ADCL", NULL, "IN1L PGA" },
1076        { "ADCR", NULL, "IN1R PGA" },
1077
1078        { "ADCL Mux", "ADC", "ADCL" },
1079        { "ADCL Mux", "DMIC", "DMIC1L" },
1080        { "ADCR Mux", "ADC", "ADCR" },
1081        { "ADCR Mux", "DMIC", "DMIC1R" },
1082
1083        /* AIF1 outputs */
1084        { "AIF1ADC1L", NULL, "AIF1ADC1L Mixer" },
1085        { "AIF1ADC1L Mixer", "ADC/DMIC Switch", "ADCL Mux" },
1086
1087        { "AIF1ADC1R", NULL, "AIF1ADC1R Mixer" },
1088        { "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" },
1089
1090        { "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" },
1091        { "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" },
1092
1093        { "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" },
1094        { "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" },
1095
1096        /* Sidetone */
1097        { "Left Sidetone", "ADC/DMIC1", "AIF1ADC1L" },
1098        { "Left Sidetone", "DMIC2", "AIF1ADC2L" },
1099        { "Right Sidetone", "ADC/DMIC1", "AIF1ADC1R" },
1100        { "Right Sidetone", "DMIC2", "AIF1ADC2R" },
1101
1102        { "AIF1DAC1L", NULL, "AIF1CLK" },
1103        { "AIF1DAC1L", NULL, "DSP1CLK" },
1104        { "AIF1DAC1R", NULL, "AIF1CLK" },
1105        { "AIF1DAC1R", NULL, "DSP1CLK" },
1106        { "AIF1DAC1R", NULL, "SYSDSPCLK" },
1107
1108        { "AIF1DAC2L", NULL, "AIF1CLK" },
1109        { "AIF1DAC2L", NULL, "DSP1CLK" },
1110        { "AIF1DAC2R", NULL, "AIF1CLK" },
1111        { "AIF1DAC2R", NULL, "DSP1CLK" },
1112        { "AIF1DAC2R", NULL, "SYSDSPCLK" },
1113
1114        { "DAC1L", NULL, "AIF1CLK" },
1115        { "DAC1L", NULL, "DSP1CLK" },
1116        { "DAC1L", NULL, "SYSDSPCLK" },
1117
1118        { "DAC1R", NULL, "AIF1CLK" },
1119        { "DAC1R", NULL, "DSP1CLK" },
1120        { "DAC1R", NULL, "SYSDSPCLK" },
1121
1122        { "AIF1DAC1L", NULL, "AIF1DACDAT" },
1123        { "AIF1DAC1R", NULL, "AIF1DACDAT" },
1124        { "AIF1DAC2L", NULL, "AIF1DACDAT" },
1125        { "AIF1DAC2R", NULL, "AIF1DACDAT" },
1126
1127        /* DAC1 inputs */
1128        { "DAC1L", NULL, "DAC1L Mixer" },
1129        { "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1130        { "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1131        { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1132        { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1133
1134        { "DAC1R", NULL, "DAC1R Mixer" },
1135        { "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1136        { "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1137        { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1138        { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1139
1140        /* DAC2/AIF2 outputs */
1141        { "DAC2L", NULL, "AIF2DAC2L Mixer" },
1142        { "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1143        { "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1144
1145        { "DAC2R", NULL, "AIF2DAC2R Mixer" },
1146        { "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1147        { "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1148
1149        /* Output stages */
1150        { "Headphone PGA", NULL, "DAC1L" },
1151        { "Headphone PGA", NULL, "DAC1R" },
1152
1153        { "Headphone PGA", NULL, "DAC2L" },
1154        { "Headphone PGA", NULL, "DAC2R" },
1155
1156        { "Headphone PGA", NULL, "Headphone Supply" },
1157        { "Headphone PGA", NULL, "CLK_SYS" },
1158        { "Headphone PGA", NULL, "LDO2" },
1159
1160        { "HP1L", NULL, "Headphone PGA" },
1161        { "HP1R", NULL, "Headphone PGA" },
1162
1163        { "SPK1L Driver", "DAC1L", "DAC1L" },
1164        { "SPK1L Driver", "DAC1R", "DAC1R" },
1165        { "SPK1L Driver", "DAC2L", "DAC2L" },
1166        { "SPK1L Driver", "DAC2R", "DAC2R" },
1167        { "SPK1L Driver", NULL, "CLK_SYS" },
1168
1169        { "SPK1R Driver", "DAC1L", "DAC1L" },
1170        { "SPK1R Driver", "DAC1R", "DAC1R" },
1171        { "SPK1R Driver", "DAC2L", "DAC2L" },
1172        { "SPK1R Driver", "DAC2R", "DAC2R" },
1173        { "SPK1R Driver", NULL, "CLK_SYS" },
1174
1175        { "SPK2L Driver", "DAC1L", "DAC1L" },
1176        { "SPK2L Driver", "DAC1R", "DAC1R" },
1177        { "SPK2L Driver", "DAC2L", "DAC2L" },
1178        { "SPK2L Driver", "DAC2R", "DAC2R" },
1179        { "SPK2L Driver", NULL, "CLK_SYS" },
1180
1181        { "SPK2R Driver", "DAC1L", "DAC1L" },
1182        { "SPK2R Driver", "DAC1R", "DAC1R" },
1183        { "SPK2R Driver", "DAC2L", "DAC2L" },
1184        { "SPK2R Driver", "DAC2R", "DAC2R" },
1185        { "SPK2R Driver", NULL, "CLK_SYS" },
1186
1187        { "SPK1L", NULL, "SPK1L Driver" },
1188        { "SPK1R", NULL, "SPK1R Driver" },
1189        { "SPK2L", NULL, "SPK2L Driver" },
1190        { "SPK2R", NULL, "SPK2R Driver" }
1191};
1192
1193static bool wm8995_readable(struct device *dev, unsigned int reg)
1194{
1195        switch (reg) {
1196        case WM8995_SOFTWARE_RESET:
1197        case WM8995_POWER_MANAGEMENT_1:
1198        case WM8995_POWER_MANAGEMENT_2:
1199        case WM8995_POWER_MANAGEMENT_3:
1200        case WM8995_POWER_MANAGEMENT_4:
1201        case WM8995_POWER_MANAGEMENT_5:
1202        case WM8995_LEFT_LINE_INPUT_1_VOLUME:
1203        case WM8995_RIGHT_LINE_INPUT_1_VOLUME:
1204        case WM8995_LEFT_LINE_INPUT_CONTROL:
1205        case WM8995_DAC1_LEFT_VOLUME:
1206        case WM8995_DAC1_RIGHT_VOLUME:
1207        case WM8995_DAC2_LEFT_VOLUME:
1208        case WM8995_DAC2_RIGHT_VOLUME:
1209        case WM8995_OUTPUT_VOLUME_ZC_1:
1210        case WM8995_MICBIAS_1:
1211        case WM8995_MICBIAS_2:
1212        case WM8995_LDO_1:
1213        case WM8995_LDO_2:
1214        case WM8995_ACCESSORY_DETECT_MODE1:
1215        case WM8995_ACCESSORY_DETECT_MODE2:
1216        case WM8995_HEADPHONE_DETECT1:
1217        case WM8995_HEADPHONE_DETECT2:
1218        case WM8995_MIC_DETECT_1:
1219        case WM8995_MIC_DETECT_2:
1220        case WM8995_CHARGE_PUMP_1:
1221        case WM8995_CLASS_W_1:
1222        case WM8995_DC_SERVO_1:
1223        case WM8995_DC_SERVO_2:
1224        case WM8995_DC_SERVO_3:
1225        case WM8995_DC_SERVO_5:
1226        case WM8995_DC_SERVO_6:
1227        case WM8995_DC_SERVO_7:
1228        case WM8995_DC_SERVO_READBACK_0:
1229        case WM8995_ANALOGUE_HP_1:
1230        case WM8995_ANALOGUE_HP_2:
1231        case WM8995_CHIP_REVISION:
1232        case WM8995_CONTROL_INTERFACE_1:
1233        case WM8995_CONTROL_INTERFACE_2:
1234        case WM8995_WRITE_SEQUENCER_CTRL_1:
1235        case WM8995_WRITE_SEQUENCER_CTRL_2:
1236        case WM8995_AIF1_CLOCKING_1:
1237        case WM8995_AIF1_CLOCKING_2:
1238        case WM8995_AIF2_CLOCKING_1:
1239        case WM8995_AIF2_CLOCKING_2:
1240        case WM8995_CLOCKING_1:
1241        case WM8995_CLOCKING_2:
1242        case WM8995_AIF1_RATE:
1243        case WM8995_AIF2_RATE:
1244        case WM8995_RATE_STATUS:
1245        case WM8995_FLL1_CONTROL_1:
1246        case WM8995_FLL1_CONTROL_2:
1247        case WM8995_FLL1_CONTROL_3:
1248        case WM8995_FLL1_CONTROL_4:
1249        case WM8995_FLL1_CONTROL_5:
1250        case WM8995_FLL2_CONTROL_1:
1251        case WM8995_FLL2_CONTROL_2:
1252        case WM8995_FLL2_CONTROL_3:
1253        case WM8995_FLL2_CONTROL_4:
1254        case WM8995_FLL2_CONTROL_5:
1255        case WM8995_AIF1_CONTROL_1:
1256        case WM8995_AIF1_CONTROL_2:
1257        case WM8995_AIF1_MASTER_SLAVE:
1258        case WM8995_AIF1_BCLK:
1259        case WM8995_AIF1ADC_LRCLK:
1260        case WM8995_AIF1DAC_LRCLK:
1261        case WM8995_AIF1DAC_DATA:
1262        case WM8995_AIF1ADC_DATA:
1263        case WM8995_AIF2_CONTROL_1:
1264        case WM8995_AIF2_CONTROL_2:
1265        case WM8995_AIF2_MASTER_SLAVE:
1266        case WM8995_AIF2_BCLK:
1267        case WM8995_AIF2ADC_LRCLK:
1268        case WM8995_AIF2DAC_LRCLK:
1269        case WM8995_AIF2DAC_DATA:
1270        case WM8995_AIF2ADC_DATA:
1271        case WM8995_AIF1_ADC1_LEFT_VOLUME:
1272        case WM8995_AIF1_ADC1_RIGHT_VOLUME:
1273        case WM8995_AIF1_DAC1_LEFT_VOLUME:
1274        case WM8995_AIF1_DAC1_RIGHT_VOLUME:
1275        case WM8995_AIF1_ADC2_LEFT_VOLUME:
1276        case WM8995_AIF1_ADC2_RIGHT_VOLUME:
1277        case WM8995_AIF1_DAC2_LEFT_VOLUME:
1278        case WM8995_AIF1_DAC2_RIGHT_VOLUME:
1279        case WM8995_AIF1_ADC1_FILTERS:
1280        case WM8995_AIF1_ADC2_FILTERS:
1281        case WM8995_AIF1_DAC1_FILTERS_1:
1282        case WM8995_AIF1_DAC1_FILTERS_2:
1283        case WM8995_AIF1_DAC2_FILTERS_1:
1284        case WM8995_AIF1_DAC2_FILTERS_2:
1285        case WM8995_AIF1_DRC1_1:
1286        case WM8995_AIF1_DRC1_2:
1287        case WM8995_AIF1_DRC1_3:
1288        case WM8995_AIF1_DRC1_4:
1289        case WM8995_AIF1_DRC1_5:
1290        case WM8995_AIF1_DRC2_1:
1291        case WM8995_AIF1_DRC2_2:
1292        case WM8995_AIF1_DRC2_3:
1293        case WM8995_AIF1_DRC2_4:
1294        case WM8995_AIF1_DRC2_5:
1295        case WM8995_AIF1_DAC1_EQ_GAINS_1:
1296        case WM8995_AIF1_DAC1_EQ_GAINS_2:
1297        case WM8995_AIF1_DAC1_EQ_BAND_1_A:
1298        case WM8995_AIF1_DAC1_EQ_BAND_1_B:
1299        case WM8995_AIF1_DAC1_EQ_BAND_1_PG:
1300        case WM8995_AIF1_DAC1_EQ_BAND_2_A:
1301        case WM8995_AIF1_DAC1_EQ_BAND_2_B:
1302        case WM8995_AIF1_DAC1_EQ_BAND_2_C:
1303        case WM8995_AIF1_DAC1_EQ_BAND_2_PG:
1304        case WM8995_AIF1_DAC1_EQ_BAND_3_A:
1305        case WM8995_AIF1_DAC1_EQ_BAND_3_B:
1306        case WM8995_AIF1_DAC1_EQ_BAND_3_C:
1307        case WM8995_AIF1_DAC1_EQ_BAND_3_PG:
1308        case WM8995_AIF1_DAC1_EQ_BAND_4_A:
1309        case WM8995_AIF1_DAC1_EQ_BAND_4_B:
1310        case WM8995_AIF1_DAC1_EQ_BAND_4_C:
1311        case WM8995_AIF1_DAC1_EQ_BAND_4_PG:
1312        case WM8995_AIF1_DAC1_EQ_BAND_5_A:
1313        case WM8995_AIF1_DAC1_EQ_BAND_5_B:
1314        case WM8995_AIF1_DAC1_EQ_BAND_5_PG:
1315        case WM8995_AIF1_DAC2_EQ_GAINS_1:
1316        case WM8995_AIF1_DAC2_EQ_GAINS_2:
1317        case WM8995_AIF1_DAC2_EQ_BAND_1_A:
1318        case WM8995_AIF1_DAC2_EQ_BAND_1_B:
1319        case WM8995_AIF1_DAC2_EQ_BAND_1_PG:
1320        case WM8995_AIF1_DAC2_EQ_BAND_2_A:
1321        case WM8995_AIF1_DAC2_EQ_BAND_2_B:
1322        case WM8995_AIF1_DAC2_EQ_BAND_2_C:
1323        case WM8995_AIF1_DAC2_EQ_BAND_2_PG:
1324        case WM8995_AIF1_DAC2_EQ_BAND_3_A:
1325        case WM8995_AIF1_DAC2_EQ_BAND_3_B:
1326        case WM8995_AIF1_DAC2_EQ_BAND_3_C:
1327        case WM8995_AIF1_DAC2_EQ_BAND_3_PG:
1328        case WM8995_AIF1_DAC2_EQ_BAND_4_A:
1329        case WM8995_AIF1_DAC2_EQ_BAND_4_B:
1330        case WM8995_AIF1_DAC2_EQ_BAND_4_C:
1331        case WM8995_AIF1_DAC2_EQ_BAND_4_PG:
1332        case WM8995_AIF1_DAC2_EQ_BAND_5_A:
1333        case WM8995_AIF1_DAC2_EQ_BAND_5_B:
1334        case WM8995_AIF1_DAC2_EQ_BAND_5_PG:
1335        case WM8995_AIF2_ADC_LEFT_VOLUME:
1336        case WM8995_AIF2_ADC_RIGHT_VOLUME:
1337        case WM8995_AIF2_DAC_LEFT_VOLUME:
1338        case WM8995_AIF2_DAC_RIGHT_VOLUME:
1339        case WM8995_AIF2_ADC_FILTERS:
1340        case WM8995_AIF2_DAC_FILTERS_1:
1341        case WM8995_AIF2_DAC_FILTERS_2:
1342        case WM8995_AIF2_DRC_1:
1343        case WM8995_AIF2_DRC_2:
1344        case WM8995_AIF2_DRC_3:
1345        case WM8995_AIF2_DRC_4:
1346        case WM8995_AIF2_DRC_5:
1347        case WM8995_AIF2_EQ_GAINS_1:
1348        case WM8995_AIF2_EQ_GAINS_2:
1349        case WM8995_AIF2_EQ_BAND_1_A:
1350        case WM8995_AIF2_EQ_BAND_1_B:
1351        case WM8995_AIF2_EQ_BAND_1_PG:
1352        case WM8995_AIF2_EQ_BAND_2_A:
1353        case WM8995_AIF2_EQ_BAND_2_B:
1354        case WM8995_AIF2_EQ_BAND_2_C:
1355        case WM8995_AIF2_EQ_BAND_2_PG:
1356        case WM8995_AIF2_EQ_BAND_3_A:
1357        case WM8995_AIF2_EQ_BAND_3_B:
1358        case WM8995_AIF2_EQ_BAND_3_C:
1359        case WM8995_AIF2_EQ_BAND_3_PG:
1360        case WM8995_AIF2_EQ_BAND_4_A:
1361        case WM8995_AIF2_EQ_BAND_4_B:
1362        case WM8995_AIF2_EQ_BAND_4_C:
1363        case WM8995_AIF2_EQ_BAND_4_PG:
1364        case WM8995_AIF2_EQ_BAND_5_A:
1365        case WM8995_AIF2_EQ_BAND_5_B:
1366        case WM8995_AIF2_EQ_BAND_5_PG:
1367        case WM8995_DAC1_MIXER_VOLUMES:
1368        case WM8995_DAC1_LEFT_MIXER_ROUTING:
1369        case WM8995_DAC1_RIGHT_MIXER_ROUTING:
1370        case WM8995_DAC2_MIXER_VOLUMES:
1371        case WM8995_DAC2_LEFT_MIXER_ROUTING:
1372        case WM8995_DAC2_RIGHT_MIXER_ROUTING:
1373        case WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING:
1374        case WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING:
1375        case WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING:
1376        case WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING:
1377        case WM8995_DAC_SOFTMUTE:
1378        case WM8995_OVERSAMPLING:
1379        case WM8995_SIDETONE:
1380        case WM8995_GPIO_1:
1381        case WM8995_GPIO_2:
1382        case WM8995_GPIO_3:
1383        case WM8995_GPIO_4:
1384        case WM8995_GPIO_5:
1385        case WM8995_GPIO_6:
1386        case WM8995_GPIO_7:
1387        case WM8995_GPIO_8:
1388        case WM8995_GPIO_9:
1389        case WM8995_GPIO_10:
1390        case WM8995_GPIO_11:
1391        case WM8995_GPIO_12:
1392        case WM8995_GPIO_13:
1393        case WM8995_GPIO_14:
1394        case WM8995_PULL_CONTROL_1:
1395        case WM8995_PULL_CONTROL_2:
1396        case WM8995_INTERRUPT_STATUS_1:
1397        case WM8995_INTERRUPT_STATUS_2:
1398        case WM8995_INTERRUPT_RAW_STATUS_2:
1399        case WM8995_INTERRUPT_STATUS_1_MASK:
1400        case WM8995_INTERRUPT_STATUS_2_MASK:
1401        case WM8995_INTERRUPT_CONTROL:
1402        case WM8995_LEFT_PDM_SPEAKER_1:
1403        case WM8995_RIGHT_PDM_SPEAKER_1:
1404        case WM8995_PDM_SPEAKER_1_MUTE_SEQUENCE:
1405        case WM8995_LEFT_PDM_SPEAKER_2:
1406        case WM8995_RIGHT_PDM_SPEAKER_2:
1407        case WM8995_PDM_SPEAKER_2_MUTE_SEQUENCE:
1408                return true;
1409        default:
1410                return false;
1411        }
1412}
1413
1414static bool wm8995_volatile(struct device *dev, unsigned int reg)
1415{
1416        switch (reg) {
1417        case WM8995_SOFTWARE_RESET:
1418        case WM8995_DC_SERVO_READBACK_0:
1419        case WM8995_INTERRUPT_STATUS_1:
1420        case WM8995_INTERRUPT_STATUS_2:
1421        case WM8995_INTERRUPT_CONTROL:
1422        case WM8995_ACCESSORY_DETECT_MODE1:
1423        case WM8995_ACCESSORY_DETECT_MODE2:
1424        case WM8995_HEADPHONE_DETECT1:
1425        case WM8995_HEADPHONE_DETECT2:
1426        case WM8995_RATE_STATUS:
1427                return true;
1428        default:
1429                return false;
1430        }
1431}
1432
1433static int wm8995_aif_mute(struct snd_soc_dai *dai, int mute)
1434{
1435        struct snd_soc_codec *codec = dai->codec;
1436        int mute_reg;
1437
1438        switch (dai->id) {
1439        case 0:
1440                mute_reg = WM8995_AIF1_DAC1_FILTERS_1;
1441                break;
1442        case 1:
1443                mute_reg = WM8995_AIF2_DAC_FILTERS_1;
1444                break;
1445        default:
1446                return -EINVAL;
1447        }
1448
1449        snd_soc_update_bits(codec, mute_reg, WM8995_AIF1DAC1_MUTE_MASK,
1450                            !!mute << WM8995_AIF1DAC1_MUTE_SHIFT);
1451        return 0;
1452}
1453
1454static int wm8995_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1455{
1456        struct snd_soc_codec *codec;
1457        int master;
1458        int aif;
1459
1460        codec = dai->codec;
1461
1462        master = 0;
1463        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1464        case SND_SOC_DAIFMT_CBS_CFS:
1465                break;
1466        case SND_SOC_DAIFMT_CBM_CFM:
1467                master = WM8995_AIF1_MSTR;
1468                break;
1469        default:
1470                dev_err(dai->dev, "Unknown master/slave configuration\n");
1471                return -EINVAL;
1472        }
1473
1474        aif = 0;
1475        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1476        case SND_SOC_DAIFMT_DSP_B:
1477                aif |= WM8995_AIF1_LRCLK_INV;
1478        case SND_SOC_DAIFMT_DSP_A:
1479                aif |= (0x3 << WM8995_AIF1_FMT_SHIFT);
1480                break;
1481        case SND_SOC_DAIFMT_I2S:
1482                aif |= (0x2 << WM8995_AIF1_FMT_SHIFT);
1483                break;
1484        case SND_SOC_DAIFMT_RIGHT_J:
1485                break;
1486        case SND_SOC_DAIFMT_LEFT_J:
1487                aif |= (0x1 << WM8995_AIF1_FMT_SHIFT);
1488                break;
1489        default:
1490                dev_err(dai->dev, "Unknown dai format\n");
1491                return -EINVAL;
1492        }
1493
1494        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1495        case SND_SOC_DAIFMT_DSP_A:
1496        case SND_SOC_DAIFMT_DSP_B:
1497                /* frame inversion not valid for DSP modes */
1498                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1499                case SND_SOC_DAIFMT_NB_NF:
1500                        break;
1501                case SND_SOC_DAIFMT_IB_NF:
1502                        aif |= WM8995_AIF1_BCLK_INV;
1503                        break;
1504                default:
1505                        return -EINVAL;
1506                }
1507                break;
1508
1509        case SND_SOC_DAIFMT_I2S:
1510        case SND_SOC_DAIFMT_RIGHT_J:
1511        case SND_SOC_DAIFMT_LEFT_J:
1512                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1513                case SND_SOC_DAIFMT_NB_NF:
1514                        break;
1515                case SND_SOC_DAIFMT_IB_IF:
1516                        aif |= WM8995_AIF1_BCLK_INV | WM8995_AIF1_LRCLK_INV;
1517                        break;
1518                case SND_SOC_DAIFMT_IB_NF:
1519                        aif |= WM8995_AIF1_BCLK_INV;
1520                        break;
1521                case SND_SOC_DAIFMT_NB_IF:
1522                        aif |= WM8995_AIF1_LRCLK_INV;
1523                        break;
1524                default:
1525                        return -EINVAL;
1526                }
1527                break;
1528        default:
1529                return -EINVAL;
1530        }
1531
1532        snd_soc_update_bits(codec, WM8995_AIF1_CONTROL_1,
1533                            WM8995_AIF1_BCLK_INV_MASK |
1534                            WM8995_AIF1_LRCLK_INV_MASK |
1535                            WM8995_AIF1_FMT_MASK, aif);
1536        snd_soc_update_bits(codec, WM8995_AIF1_MASTER_SLAVE,
1537                            WM8995_AIF1_MSTR_MASK, master);
1538        return 0;
1539}
1540
1541static const int srs[] = {
1542        8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100,
1543        48000, 88200, 96000
1544};
1545
1546static const int fs_ratios[] = {
1547        -1 /* reserved */,
1548        128, 192, 256, 384, 512, 768, 1024, 1408, 1536
1549};
1550
1551static const int bclk_divs[] = {
1552        10, 15, 20, 30, 40, 55, 60, 80, 110, 120, 160, 220, 240, 320, 440, 480
1553};
1554
1555static int wm8995_hw_params(struct snd_pcm_substream *substream,
1556                            struct snd_pcm_hw_params *params,
1557                            struct snd_soc_dai *dai)
1558{
1559        struct snd_soc_codec *codec;
1560        struct wm8995_priv *wm8995;
1561        int aif1_reg;
1562        int bclk_reg;
1563        int lrclk_reg;
1564        int rate_reg;
1565        int bclk_rate;
1566        int aif1;
1567        int lrclk, bclk;
1568        int i, rate_val, best, best_val, cur_val;
1569
1570        codec = dai->codec;
1571        wm8995 = snd_soc_codec_get_drvdata(codec);
1572
1573        switch (dai->id) {
1574        case 0:
1575                aif1_reg = WM8995_AIF1_CONTROL_1;
1576                bclk_reg = WM8995_AIF1_BCLK;
1577                rate_reg = WM8995_AIF1_RATE;
1578                if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* ||
1579                        wm8995->lrclk_shared[0] */) {
1580                        lrclk_reg = WM8995_AIF1DAC_LRCLK;
1581                } else {
1582                        lrclk_reg = WM8995_AIF1ADC_LRCLK;
1583                        dev_dbg(codec->dev, "AIF1 using split LRCLK\n");
1584                }
1585                break;
1586        case 1:
1587                aif1_reg = WM8995_AIF2_CONTROL_1;
1588                bclk_reg = WM8995_AIF2_BCLK;
1589                rate_reg = WM8995_AIF2_RATE;
1590                if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* ||
1591                    wm8995->lrclk_shared[1] */) {
1592                        lrclk_reg = WM8995_AIF2DAC_LRCLK;
1593                } else {
1594                        lrclk_reg = WM8995_AIF2ADC_LRCLK;
1595                        dev_dbg(codec->dev, "AIF2 using split LRCLK\n");
1596                }
1597                break;
1598        default:
1599                return -EINVAL;
1600        }
1601
1602        bclk_rate = snd_soc_params_to_bclk(params);
1603        if (bclk_rate < 0)
1604                return bclk_rate;
1605
1606        aif1 = 0;
1607        switch (params_format(params)) {
1608        case SNDRV_PCM_FORMAT_S16_LE:
1609                break;
1610        case SNDRV_PCM_FORMAT_S20_3LE:
1611                aif1 |= (0x1 << WM8995_AIF1_WL_SHIFT);
1612                break;
1613        case SNDRV_PCM_FORMAT_S24_LE:
1614                aif1 |= (0x2 << WM8995_AIF1_WL_SHIFT);
1615                break;
1616        case SNDRV_PCM_FORMAT_S32_LE:
1617                aif1 |= (0x3 << WM8995_AIF1_WL_SHIFT);
1618                break;
1619        default:
1620                dev_err(dai->dev, "Unsupported word length %u\n",
1621                        params_format(params));
1622                return -EINVAL;
1623        }
1624
1625        /* try to find a suitable sample rate */
1626        for (i = 0; i < ARRAY_SIZE(srs); ++i)
1627                if (srs[i] == params_rate(params))
1628                        break;
1629        if (i == ARRAY_SIZE(srs)) {
1630                dev_err(dai->dev, "Sample rate %d is not supported\n",
1631                        params_rate(params));
1632                return -EINVAL;
1633        }
1634        rate_val = i << WM8995_AIF1_SR_SHIFT;
1635
1636        dev_dbg(dai->dev, "Sample rate is %dHz\n", srs[i]);
1637        dev_dbg(dai->dev, "AIF%dCLK is %dHz, target BCLK %dHz\n",
1638                dai->id + 1, wm8995->aifclk[dai->id], bclk_rate);
1639
1640        /* AIFCLK/fs ratio; look for a close match in either direction */
1641        best = 1;
1642        best_val = abs((fs_ratios[1] * params_rate(params))
1643                       - wm8995->aifclk[dai->id]);
1644        for (i = 2; i < ARRAY_SIZE(fs_ratios); i++) {
1645                cur_val = abs((fs_ratios[i] * params_rate(params))
1646                              - wm8995->aifclk[dai->id]);
1647                if (cur_val >= best_val)
1648                        continue;
1649                best = i;
1650                best_val = cur_val;
1651        }
1652        rate_val |= best;
1653
1654        dev_dbg(dai->dev, "Selected AIF%dCLK/fs = %d\n",
1655                dai->id + 1, fs_ratios[best]);
1656
1657        /*
1658         * We may not get quite the right frequency if using
1659         * approximate clocks so look for the closest match that is
1660         * higher than the target (we need to ensure that there enough
1661         * BCLKs to clock out the samples).
1662         */
1663        best = 0;
1664        bclk = 0;
1665        for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1666                cur_val = (wm8995->aifclk[dai->id] * 10 / bclk_divs[i]) - bclk_rate;
1667                if (cur_val < 0) /* BCLK table is sorted */
1668                        break;
1669                best = i;
1670        }
1671        bclk |= best << WM8995_AIF1_BCLK_DIV_SHIFT;
1672
1673        bclk_rate = wm8995->aifclk[dai->id] * 10 / bclk_divs[best];
1674        dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1675                bclk_divs[best], bclk_rate);
1676
1677        lrclk = bclk_rate / params_rate(params);
1678        dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1679                lrclk, bclk_rate / lrclk);
1680
1681        snd_soc_update_bits(codec, aif1_reg,
1682                            WM8995_AIF1_WL_MASK, aif1);
1683        snd_soc_update_bits(codec, bclk_reg,
1684                            WM8995_AIF1_BCLK_DIV_MASK, bclk);
1685        snd_soc_update_bits(codec, lrclk_reg,
1686                            WM8995_AIF1DAC_RATE_MASK, lrclk);
1687        snd_soc_update_bits(codec, rate_reg,
1688                            WM8995_AIF1_SR_MASK |
1689                            WM8995_AIF1CLK_RATE_MASK, rate_val);
1690        return 0;
1691}
1692
1693static int wm8995_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
1694{
1695        struct snd_soc_codec *codec = codec_dai->codec;
1696        int reg, val, mask;
1697
1698        switch (codec_dai->id) {
1699        case 0:
1700                reg = WM8995_AIF1_MASTER_SLAVE;
1701                mask = WM8995_AIF1_TRI;
1702                break;
1703        case 1:
1704                reg = WM8995_AIF2_MASTER_SLAVE;
1705                mask = WM8995_AIF2_TRI;
1706                break;
1707        case 2:
1708                reg = WM8995_POWER_MANAGEMENT_5;
1709                mask = WM8995_AIF3_TRI;
1710                break;
1711        default:
1712                return -EINVAL;
1713        }
1714
1715        if (tristate)
1716                val = mask;
1717        else
1718                val = 0;
1719
1720        return snd_soc_update_bits(codec, reg, mask, val);
1721}
1722
1723/* The size in bits of the FLL divide multiplied by 10
1724 * to allow rounding later */
1725#define FIXED_FLL_SIZE ((1 << 16) * 10)
1726
1727struct fll_div {
1728        u16 outdiv;
1729        u16 n;
1730        u16 k;
1731        u16 clk_ref_div;
1732        u16 fll_fratio;
1733};
1734
1735static int wm8995_get_fll_config(struct fll_div *fll,
1736                                 int freq_in, int freq_out)
1737{
1738        u64 Kpart;
1739        unsigned int K, Ndiv, Nmod;
1740
1741        pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out);
1742
1743        /* Scale the input frequency down to <= 13.5MHz */
1744        fll->clk_ref_div = 0;
1745        while (freq_in > 13500000) {
1746                fll->clk_ref_div++;
1747                freq_in /= 2;
1748
1749                if (fll->clk_ref_div > 3)
1750                        return -EINVAL;
1751        }
1752        pr_debug("CLK_REF_DIV=%d, Fref=%dHz\n", fll->clk_ref_div, freq_in);
1753
1754        /* Scale the output to give 90MHz<=Fvco<=100MHz */
1755        fll->outdiv = 3;
1756        while (freq_out * (fll->outdiv + 1) < 90000000) {
1757                fll->outdiv++;
1758                if (fll->outdiv > 63)
1759                        return -EINVAL;
1760        }
1761        freq_out *= fll->outdiv + 1;
1762        pr_debug("OUTDIV=%d, Fvco=%dHz\n", fll->outdiv, freq_out);
1763
1764        if (freq_in > 1000000) {
1765                fll->fll_fratio = 0;
1766        } else if (freq_in > 256000) {
1767                fll->fll_fratio = 1;
1768                freq_in *= 2;
1769        } else if (freq_in > 128000) {
1770                fll->fll_fratio = 2;
1771                freq_in *= 4;
1772        } else if (freq_in > 64000) {
1773                fll->fll_fratio = 3;
1774                freq_in *= 8;
1775        } else {
1776                fll->fll_fratio = 4;
1777                freq_in *= 16;
1778        }
1779        pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);
1780
1781        /* Now, calculate N.K */
1782        Ndiv = freq_out / freq_in;
1783
1784        fll->n = Ndiv;
1785        Nmod = freq_out % freq_in;
1786        pr_debug("Nmod=%d\n", Nmod);
1787
1788        /* Calculate fractional part - scale up so we can round. */
1789        Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1790
1791        do_div(Kpart, freq_in);
1792
1793        K = Kpart & 0xFFFFFFFF;
1794
1795        if ((K % 10) >= 5)
1796                K += 5;
1797
1798        /* Move down to proper range now rounding is done */
1799        fll->k = K / 10;
1800
1801        pr_debug("N=%x K=%x\n", fll->n, fll->k);
1802
1803        return 0;
1804}
1805
1806static int wm8995_set_fll(struct snd_soc_dai *dai, int id,
1807                          int src, unsigned int freq_in,
1808                          unsigned int freq_out)
1809{
1810        struct snd_soc_codec *codec;
1811        struct wm8995_priv *wm8995;
1812        int reg_offset, ret;
1813        struct fll_div fll;
1814        u16 reg, aif1, aif2;
1815
1816        codec = dai->codec;
1817        wm8995 = snd_soc_codec_get_drvdata(codec);
1818
1819        aif1 = snd_soc_read(codec, WM8995_AIF1_CLOCKING_1)
1820               & WM8995_AIF1CLK_ENA;
1821
1822        aif2 = snd_soc_read(codec, WM8995_AIF2_CLOCKING_1)
1823               & WM8995_AIF2CLK_ENA;
1824
1825        switch (id) {
1826        case WM8995_FLL1:
1827                reg_offset = 0;
1828                id = 0;
1829                break;
1830        case WM8995_FLL2:
1831                reg_offset = 0x20;
1832                id = 1;
1833                break;
1834        default:
1835                return -EINVAL;
1836        }
1837
1838        switch (src) {
1839        case 0:
1840                /* Allow no source specification when stopping */
1841                if (freq_out)
1842                        return -EINVAL;
1843                break;
1844        case WM8995_FLL_SRC_MCLK1:
1845        case WM8995_FLL_SRC_MCLK2:
1846        case WM8995_FLL_SRC_LRCLK:
1847        case WM8995_FLL_SRC_BCLK:
1848                break;
1849        default:
1850                return -EINVAL;
1851        }
1852
1853        /* Are we changing anything? */
1854        if (wm8995->fll[id].src == src &&
1855            wm8995->fll[id].in == freq_in && wm8995->fll[id].out == freq_out)
1856                return 0;
1857
1858        /* If we're stopping the FLL redo the old config - no
1859         * registers will actually be written but we avoid GCC flow
1860         * analysis bugs spewing warnings.
1861         */
1862        if (freq_out)
1863                ret = wm8995_get_fll_config(&fll, freq_in, freq_out);
1864        else
1865                ret = wm8995_get_fll_config(&fll, wm8995->fll[id].in,
1866                                            wm8995->fll[id].out);
1867        if (ret < 0)
1868                return ret;
1869
1870        /* Gate the AIF clocks while we reclock */
1871        snd_soc_update_bits(codec, WM8995_AIF1_CLOCKING_1,
1872                            WM8995_AIF1CLK_ENA_MASK, 0);
1873        snd_soc_update_bits(codec, WM8995_AIF2_CLOCKING_1,
1874                            WM8995_AIF2CLK_ENA_MASK, 0);
1875
1876        /* We always need to disable the FLL while reconfiguring */
1877        snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_1 + reg_offset,
1878                            WM8995_FLL1_ENA_MASK, 0);
1879
1880        reg = (fll.outdiv << WM8995_FLL1_OUTDIV_SHIFT) |
1881              (fll.fll_fratio << WM8995_FLL1_FRATIO_SHIFT);
1882        snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_2 + reg_offset,
1883                            WM8995_FLL1_OUTDIV_MASK |
1884                            WM8995_FLL1_FRATIO_MASK, reg);
1885
1886        snd_soc_write(codec, WM8995_FLL1_CONTROL_3 + reg_offset, fll.k);
1887
1888        snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_4 + reg_offset,
1889                            WM8995_FLL1_N_MASK,
1890                            fll.n << WM8995_FLL1_N_SHIFT);
1891
1892        snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_5 + reg_offset,
1893                            WM8995_FLL1_REFCLK_DIV_MASK |
1894                            WM8995_FLL1_REFCLK_SRC_MASK,
1895                            (fll.clk_ref_div << WM8995_FLL1_REFCLK_DIV_SHIFT) |
1896                            (src - 1));
1897
1898        if (freq_out)
1899                snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_1 + reg_offset,
1900                                    WM8995_FLL1_ENA_MASK, WM8995_FLL1_ENA);
1901
1902        wm8995->fll[id].in = freq_in;
1903        wm8995->fll[id].out = freq_out;
1904        wm8995->fll[id].src = src;
1905
1906        /* Enable any gated AIF clocks */
1907        snd_soc_update_bits(codec, WM8995_AIF1_CLOCKING_1,
1908                            WM8995_AIF1CLK_ENA_MASK, aif1);
1909        snd_soc_update_bits(codec, WM8995_AIF2_CLOCKING_1,
1910                            WM8995_AIF2CLK_ENA_MASK, aif2);
1911
1912        configure_clock(codec);
1913
1914        return 0;
1915}
1916
1917static int wm8995_set_dai_sysclk(struct snd_soc_dai *dai,
1918                                 int clk_id, unsigned int freq, int dir)
1919{
1920        struct snd_soc_codec *codec;
1921        struct wm8995_priv *wm8995;
1922
1923        codec = dai->codec;
1924        wm8995 = snd_soc_codec_get_drvdata(codec);
1925
1926        switch (dai->id) {
1927        case 0:
1928        case 1:
1929                break;
1930        default:
1931                /* AIF3 shares clocking with AIF1/2 */
1932                return -EINVAL;
1933        }
1934
1935        switch (clk_id) {
1936        case WM8995_SYSCLK_MCLK1:
1937                wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK1;
1938                wm8995->mclk[0] = freq;
1939                dev_dbg(dai->dev, "AIF%d using MCLK1 at %uHz\n",
1940                        dai->id + 1, freq);
1941                break;
1942        case WM8995_SYSCLK_MCLK2:
1943                wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK1;
1944                wm8995->mclk[1] = freq;
1945                dev_dbg(dai->dev, "AIF%d using MCLK2 at %uHz\n",
1946                        dai->id + 1, freq);
1947                break;
1948        case WM8995_SYSCLK_FLL1:
1949                wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL1;
1950                dev_dbg(dai->dev, "AIF%d using FLL1\n", dai->id + 1);
1951                break;
1952        case WM8995_SYSCLK_FLL2:
1953                wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL2;
1954                dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id + 1);
1955                break;
1956        case WM8995_SYSCLK_OPCLK:
1957        default:
1958                dev_err(dai->dev, "Unknown clock source %d\n", clk_id);
1959                return -EINVAL;
1960        }
1961
1962        configure_clock(codec);
1963
1964        return 0;
1965}
1966
1967static int wm8995_set_bias_level(struct snd_soc_codec *codec,
1968                                 enum snd_soc_bias_level level)
1969{
1970        struct wm8995_priv *wm8995;
1971        int ret;
1972
1973        wm8995 = snd_soc_codec_get_drvdata(codec);
1974        switch (level) {
1975        case SND_SOC_BIAS_ON:
1976        case SND_SOC_BIAS_PREPARE:
1977                break;
1978        case SND_SOC_BIAS_STANDBY:
1979                if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1980                        ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
1981                                                    wm8995->supplies);
1982                        if (ret)
1983                                return ret;
1984
1985                        ret = regcache_sync(wm8995->regmap);
1986                        if (ret) {
1987                                dev_err(codec->dev,
1988                                        "Failed to sync cache: %d\n", ret);
1989                                return ret;
1990                        }
1991
1992                        snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
1993                                            WM8995_BG_ENA_MASK, WM8995_BG_ENA);
1994                }
1995                break;
1996        case SND_SOC_BIAS_OFF:
1997                snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
1998                                    WM8995_BG_ENA_MASK, 0);
1999                regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies),
2000                                       wm8995->supplies);
2001                break;
2002        }
2003
2004        codec->dapm.bias_level = level;
2005        return 0;
2006}
2007
2008#ifdef CONFIG_PM
2009static int wm8995_suspend(struct snd_soc_codec *codec)
2010{
2011        wm8995_set_bias_level(codec, SND_SOC_BIAS_OFF);
2012        return 0;
2013}
2014
2015static int wm8995_resume(struct snd_soc_codec *codec)
2016{
2017        wm8995_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2018        return 0;
2019}
2020#else
2021#define wm8995_suspend NULL
2022#define wm8995_resume NULL
2023#endif
2024
2025static int wm8995_remove(struct snd_soc_codec *codec)
2026{
2027        struct wm8995_priv *wm8995;
2028        int i;
2029
2030        wm8995 = snd_soc_codec_get_drvdata(codec);
2031        wm8995_set_bias_level(codec, SND_SOC_BIAS_OFF);
2032
2033        for (i = 0; i < ARRAY_SIZE(wm8995->supplies); ++i)
2034                regulator_unregister_notifier(wm8995->supplies[i].consumer,
2035                                              &wm8995->disable_nb[i]);
2036
2037        regulator_bulk_free(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
2038        return 0;
2039}
2040
2041static int wm8995_probe(struct snd_soc_codec *codec)
2042{
2043        struct wm8995_priv *wm8995;
2044        int i;
2045        int ret;
2046
2047        wm8995 = snd_soc_codec_get_drvdata(codec);
2048        wm8995->codec = codec;
2049
2050        codec->control_data = wm8995->regmap;
2051        ret = snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_REGMAP);
2052        if (ret < 0) {
2053                dev_err(codec->dev, "Failed to set cache i/o: %d\n", ret);
2054                return ret;
2055        }
2056
2057        for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++)
2058                wm8995->supplies[i].supply = wm8995_supply_names[i];
2059
2060        ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8995->supplies),
2061                                 wm8995->supplies);
2062        if (ret) {
2063                dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
2064                return ret;
2065        }
2066
2067        wm8995->disable_nb[0].notifier_call = wm8995_regulator_event_0;
2068        wm8995->disable_nb[1].notifier_call = wm8995_regulator_event_1;
2069        wm8995->disable_nb[2].notifier_call = wm8995_regulator_event_2;
2070        wm8995->disable_nb[3].notifier_call = wm8995_regulator_event_3;
2071        wm8995->disable_nb[4].notifier_call = wm8995_regulator_event_4;
2072        wm8995->disable_nb[5].notifier_call = wm8995_regulator_event_5;
2073        wm8995->disable_nb[6].notifier_call = wm8995_regulator_event_6;
2074        wm8995->disable_nb[7].notifier_call = wm8995_regulator_event_7;
2075
2076        /* This should really be moved into the regulator core */
2077        for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++) {
2078                ret = regulator_register_notifier(wm8995->supplies[i].consumer,
2079                                                  &wm8995->disable_nb[i]);
2080                if (ret) {
2081                        dev_err(codec->dev,
2082                                "Failed to register regulator notifier: %d\n",
2083                                ret);
2084                }
2085        }
2086
2087        ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
2088                                    wm8995->supplies);
2089        if (ret) {
2090                dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
2091                goto err_reg_get;
2092        }
2093
2094        ret = snd_soc_read(codec, WM8995_SOFTWARE_RESET);
2095        if (ret < 0) {
2096                dev_err(codec->dev, "Failed to read device ID: %d\n", ret);
2097                goto err_reg_enable;
2098        }
2099
2100        if (ret != 0x8995) {
2101                dev_err(codec->dev, "Invalid device ID: %#x\n", ret);
2102                ret = -EINVAL;
2103                goto err_reg_enable;
2104        }
2105
2106        ret = snd_soc_write(codec, WM8995_SOFTWARE_RESET, 0);
2107        if (ret < 0) {
2108                dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
2109                goto err_reg_enable;
2110        }
2111
2112        wm8995_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2113
2114        /* Latch volume updates (right only; we always do left then right). */
2115        snd_soc_update_bits(codec, WM8995_AIF1_DAC1_RIGHT_VOLUME,
2116                            WM8995_AIF1DAC1_VU_MASK, WM8995_AIF1DAC1_VU);
2117        snd_soc_update_bits(codec, WM8995_AIF1_DAC2_RIGHT_VOLUME,
2118                            WM8995_AIF1DAC2_VU_MASK, WM8995_AIF1DAC2_VU);
2119        snd_soc_update_bits(codec, WM8995_AIF2_DAC_RIGHT_VOLUME,
2120                            WM8995_AIF2DAC_VU_MASK, WM8995_AIF2DAC_VU);
2121        snd_soc_update_bits(codec, WM8995_AIF1_ADC1_RIGHT_VOLUME,
2122                            WM8995_AIF1ADC1_VU_MASK, WM8995_AIF1ADC1_VU);
2123        snd_soc_update_bits(codec, WM8995_AIF1_ADC2_RIGHT_VOLUME,
2124                            WM8995_AIF1ADC2_VU_MASK, WM8995_AIF1ADC2_VU);
2125        snd_soc_update_bits(codec, WM8995_AIF2_ADC_RIGHT_VOLUME,
2126                            WM8995_AIF2ADC_VU_MASK, WM8995_AIF1ADC2_VU);
2127        snd_soc_update_bits(codec, WM8995_DAC1_RIGHT_VOLUME,
2128                            WM8995_DAC1_VU_MASK, WM8995_DAC1_VU);
2129        snd_soc_update_bits(codec, WM8995_DAC2_RIGHT_VOLUME,
2130                            WM8995_DAC2_VU_MASK, WM8995_DAC2_VU);
2131        snd_soc_update_bits(codec, WM8995_RIGHT_LINE_INPUT_1_VOLUME,
2132                            WM8995_IN1_VU_MASK, WM8995_IN1_VU);
2133
2134        wm8995_update_class_w(codec);
2135
2136        snd_soc_add_codec_controls(codec, wm8995_snd_controls,
2137                             ARRAY_SIZE(wm8995_snd_controls));
2138        snd_soc_dapm_new_controls(&codec->dapm, wm8995_dapm_widgets,
2139                                  ARRAY_SIZE(wm8995_dapm_widgets));
2140        snd_soc_dapm_add_routes(&codec->dapm, wm8995_intercon,
2141                                ARRAY_SIZE(wm8995_intercon));
2142
2143        return 0;
2144
2145err_reg_enable:
2146        regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
2147err_reg_get:
2148        regulator_bulk_free(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
2149        return ret;
2150}
2151
2152#define WM8995_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
2153                        SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
2154
2155static const struct snd_soc_dai_ops wm8995_aif1_dai_ops = {
2156        .set_sysclk = wm8995_set_dai_sysclk,
2157        .set_fmt = wm8995_set_dai_fmt,
2158        .hw_params = wm8995_hw_params,
2159        .digital_mute = wm8995_aif_mute,
2160        .set_pll = wm8995_set_fll,
2161        .set_tristate = wm8995_set_tristate,
2162};
2163
2164static const struct snd_soc_dai_ops wm8995_aif2_dai_ops = {
2165        .set_sysclk = wm8995_set_dai_sysclk,
2166        .set_fmt = wm8995_set_dai_fmt,
2167        .hw_params = wm8995_hw_params,
2168        .digital_mute = wm8995_aif_mute,
2169        .set_pll = wm8995_set_fll,
2170        .set_tristate = wm8995_set_tristate,
2171};
2172
2173static const struct snd_soc_dai_ops wm8995_aif3_dai_ops = {
2174        .set_tristate = wm8995_set_tristate,
2175};
2176
2177static struct snd_soc_dai_driver wm8995_dai[] = {
2178        {
2179                .name = "wm8995-aif1",
2180                .playback = {
2181                        .stream_name = "AIF1 Playback",
2182                        .channels_min = 2,
2183                        .channels_max = 2,
2184                        .rates = SNDRV_PCM_RATE_8000_96000,
2185                        .formats = WM8995_FORMATS
2186                },
2187                .capture = {
2188                        .stream_name = "AIF1 Capture",
2189                        .channels_min = 2,
2190                        .channels_max = 2,
2191                        .rates = SNDRV_PCM_RATE_8000_48000,
2192                        .formats = WM8995_FORMATS
2193                },
2194                .ops = &wm8995_aif1_dai_ops
2195        },
2196        {
2197                .name = "wm8995-aif2",
2198                .playback = {
2199                        .stream_name = "AIF2 Playback",
2200                        .channels_min = 2,
2201                        .channels_max = 2,
2202                        .rates = SNDRV_PCM_RATE_8000_96000,
2203                        .formats = WM8995_FORMATS
2204                },
2205                .capture = {
2206                        .stream_name = "AIF2 Capture",
2207                        .channels_min = 2,
2208                        .channels_max = 2,
2209                        .rates = SNDRV_PCM_RATE_8000_48000,
2210                        .formats = WM8995_FORMATS
2211                },
2212                .ops = &wm8995_aif2_dai_ops
2213        },
2214        {
2215                .name = "wm8995-aif3",
2216                .playback = {
2217                        .stream_name = "AIF3 Playback",
2218                        .channels_min = 2,
2219                        .channels_max = 2,
2220                        .rates = SNDRV_PCM_RATE_8000_96000,
2221                        .formats = WM8995_FORMATS
2222                },
2223                .capture = {
2224                        .stream_name = "AIF3 Capture",
2225                        .channels_min = 2,
2226                        .channels_max = 2,
2227                        .rates = SNDRV_PCM_RATE_8000_48000,
2228                        .formats = WM8995_FORMATS
2229                },
2230                .ops = &wm8995_aif3_dai_ops
2231        }
2232};
2233
2234static struct snd_soc_codec_driver soc_codec_dev_wm8995 = {
2235        .probe = wm8995_probe,
2236        .remove = wm8995_remove,
2237        .suspend = wm8995_suspend,
2238        .resume = wm8995_resume,
2239        .set_bias_level = wm8995_set_bias_level,
2240        .idle_bias_off = true,
2241};
2242
2243static struct regmap_config wm8995_regmap = {
2244        .reg_bits = 16,
2245        .val_bits = 16,
2246
2247        .max_register = WM8995_MAX_REGISTER,
2248        .reg_defaults = wm8995_reg_defaults,
2249        .num_reg_defaults = ARRAY_SIZE(wm8995_reg_defaults),
2250        .volatile_reg = wm8995_volatile,
2251        .readable_reg = wm8995_readable,
2252        .cache_type = REGCACHE_RBTREE,
2253};
2254
2255#if defined(CONFIG_SPI_MASTER)
2256static int wm8995_spi_probe(struct spi_device *spi)
2257{
2258        struct wm8995_priv *wm8995;
2259        int ret;
2260
2261        wm8995 = devm_kzalloc(&spi->dev, sizeof(*wm8995), GFP_KERNEL);
2262        if (!wm8995)
2263                return -ENOMEM;
2264
2265        spi_set_drvdata(spi, wm8995);
2266
2267        wm8995->regmap = devm_regmap_init_spi(spi, &wm8995_regmap);
2268        if (IS_ERR(wm8995->regmap)) {
2269                ret = PTR_ERR(wm8995->regmap);
2270                dev_err(&spi->dev, "Failed to register regmap: %d\n", ret);
2271                return ret;
2272        }
2273
2274        ret = snd_soc_register_codec(&spi->dev,
2275                                     &soc_codec_dev_wm8995, wm8995_dai,
2276                                     ARRAY_SIZE(wm8995_dai));
2277        return ret;
2278}
2279
2280static int wm8995_spi_remove(struct spi_device *spi)
2281{
2282        snd_soc_unregister_codec(&spi->dev);
2283        return 0;
2284}
2285
2286static struct spi_driver wm8995_spi_driver = {
2287        .driver = {
2288                .name = "wm8995",
2289                .owner = THIS_MODULE,
2290        },
2291        .probe = wm8995_spi_probe,
2292        .remove = wm8995_spi_remove
2293};
2294#endif
2295
2296#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
2297static int wm8995_i2c_probe(struct i2c_client *i2c,
2298                            const struct i2c_device_id *id)
2299{
2300        struct wm8995_priv *wm8995;
2301        int ret;
2302
2303        wm8995 = devm_kzalloc(&i2c->dev, sizeof(*wm8995), GFP_KERNEL);
2304        if (!wm8995)
2305                return -ENOMEM;
2306
2307        i2c_set_clientdata(i2c, wm8995);
2308
2309        wm8995->regmap = devm_regmap_init_i2c(i2c, &wm8995_regmap);
2310        if (IS_ERR(wm8995->regmap)) {
2311                ret = PTR_ERR(wm8995->regmap);
2312                dev_err(&i2c->dev, "Failed to register regmap: %d\n", ret);
2313                return ret;
2314        }
2315
2316        ret = snd_soc_register_codec(&i2c->dev,
2317                                     &soc_codec_dev_wm8995, wm8995_dai,
2318                                     ARRAY_SIZE(wm8995_dai));
2319        if (ret < 0)
2320                dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
2321
2322        return ret;
2323}
2324
2325static int wm8995_i2c_remove(struct i2c_client *client)
2326{
2327        snd_soc_unregister_codec(&client->dev);
2328        return 0;
2329}
2330
2331static const struct i2c_device_id wm8995_i2c_id[] = {
2332        {"wm8995", 0},
2333        {}
2334};
2335
2336MODULE_DEVICE_TABLE(i2c, wm8995_i2c_id);
2337
2338static struct i2c_driver wm8995_i2c_driver = {
2339        .driver = {
2340                .name = "wm8995",
2341                .owner = THIS_MODULE,
2342        },
2343        .probe = wm8995_i2c_probe,
2344        .remove = wm8995_i2c_remove,
2345        .id_table = wm8995_i2c_id
2346};
2347#endif
2348
2349static int __init wm8995_modinit(void)
2350{
2351        int ret = 0;
2352
2353#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
2354        ret = i2c_add_driver(&wm8995_i2c_driver);
2355        if (ret) {
2356                printk(KERN_ERR "Failed to register wm8995 I2C driver: %d\n",
2357                       ret);
2358        }
2359#endif
2360#if defined(CONFIG_SPI_MASTER)
2361        ret = spi_register_driver(&wm8995_spi_driver);
2362        if (ret) {
2363                printk(KERN_ERR "Failed to register wm8995 SPI driver: %d\n",
2364                       ret);
2365        }
2366#endif
2367        return ret;
2368}
2369
2370module_init(wm8995_modinit);
2371
2372static void __exit wm8995_exit(void)
2373{
2374#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
2375        i2c_del_driver(&wm8995_i2c_driver);
2376#endif
2377#if defined(CONFIG_SPI_MASTER)
2378        spi_unregister_driver(&wm8995_spi_driver);
2379#endif
2380}
2381
2382module_exit(wm8995_exit);
2383
2384MODULE_DESCRIPTION("ASoC WM8995 driver");
2385MODULE_AUTHOR("Dimitris Papastamos <dp@opensource.wolfsonmicro.com>");
2386MODULE_LICENSE("GPL");
2387