linux/sound/soc/codecs/wm8995.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * wm8995.c  --  WM8995 ALSA SoC Audio driver
   4 *
   5 * Copyright 2010 Wolfson Microelectronics plc
   6 *
   7 * Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
   8 *
   9 * Based on wm8994.c and wm_hubs.c by Mark Brown
  10 */
  11
  12#include <linux/module.h>
  13#include <linux/moduleparam.h>
  14#include <linux/init.h>
  15#include <linux/delay.h>
  16#include <linux/pm.h>
  17#include <linux/i2c.h>
  18#include <linux/regmap.h>
  19#include <linux/spi/spi.h>
  20#include <linux/regulator/consumer.h>
  21#include <linux/slab.h>
  22#include <sound/core.h>
  23#include <sound/pcm.h>
  24#include <sound/pcm_params.h>
  25#include <sound/soc.h>
  26#include <sound/soc-dapm.h>
  27#include <sound/initval.h>
  28#include <sound/tlv.h>
  29
  30#include "wm8995.h"
  31
  32#define WM8995_NUM_SUPPLIES 8
  33static const char *wm8995_supply_names[WM8995_NUM_SUPPLIES] = {
  34        "DCVDD",
  35        "DBVDD1",
  36        "DBVDD2",
  37        "DBVDD3",
  38        "AVDD1",
  39        "AVDD2",
  40        "CPVDD",
  41        "MICVDD"
  42};
  43
  44static const struct reg_default wm8995_reg_defaults[] = {
  45        { 0, 0x8995 },
  46        { 5, 0x0100 },
  47        { 16, 0x000b },
  48        { 17, 0x000b },
  49        { 24, 0x02c0 },
  50        { 25, 0x02c0 },
  51        { 26, 0x02c0 },
  52        { 27, 0x02c0 },
  53        { 28, 0x000f },
  54        { 32, 0x0005 },
  55        { 33, 0x0005 },
  56        { 40, 0x0003 },
  57        { 41, 0x0013 },
  58        { 48, 0x0004 },
  59        { 56, 0x09f8 },
  60        { 64, 0x1f25 },
  61        { 69, 0x0004 },
  62        { 82, 0xaaaa },
  63        { 84, 0x2a2a },
  64        { 146, 0x0060 },
  65        { 256, 0x0002 },
  66        { 257, 0x8004 },
  67        { 520, 0x0010 },
  68        { 528, 0x0083 },
  69        { 529, 0x0083 },
  70        { 548, 0x0c80 },
  71        { 580, 0x0c80 },
  72        { 768, 0x4050 },
  73        { 769, 0x4000 },
  74        { 771, 0x0040 },
  75        { 772, 0x0040 },
  76        { 773, 0x0040 },
  77        { 774, 0x0004 },
  78        { 775, 0x0100 },
  79        { 784, 0x4050 },
  80        { 785, 0x4000 },
  81        { 787, 0x0040 },
  82        { 788, 0x0040 },
  83        { 789, 0x0040 },
  84        { 1024, 0x00c0 },
  85        { 1025, 0x00c0 },
  86        { 1026, 0x00c0 },
  87        { 1027, 0x00c0 },
  88        { 1028, 0x00c0 },
  89        { 1029, 0x00c0 },
  90        { 1030, 0x00c0 },
  91        { 1031, 0x00c0 },
  92        { 1056, 0x0200 },
  93        { 1057, 0x0010 },
  94        { 1058, 0x0200 },
  95        { 1059, 0x0010 },
  96        { 1088, 0x0098 },
  97        { 1089, 0x0845 },
  98        { 1104, 0x0098 },
  99        { 1105, 0x0845 },
 100        { 1152, 0x6318 },
 101        { 1153, 0x6300 },
 102        { 1154, 0x0fca },
 103        { 1155, 0x0400 },
 104        { 1156, 0x00d8 },
 105        { 1157, 0x1eb5 },
 106        { 1158, 0xf145 },
 107        { 1159, 0x0b75 },
 108        { 1160, 0x01c5 },
 109        { 1161, 0x1c58 },
 110        { 1162, 0xf373 },
 111        { 1163, 0x0a54 },
 112        { 1164, 0x0558 },
 113        { 1165, 0x168e },
 114        { 1166, 0xf829 },
 115        { 1167, 0x07ad },
 116        { 1168, 0x1103 },
 117        { 1169, 0x0564 },
 118        { 1170, 0x0559 },
 119        { 1171, 0x4000 },
 120        { 1184, 0x6318 },
 121        { 1185, 0x6300 },
 122        { 1186, 0x0fca },
 123        { 1187, 0x0400 },
 124        { 1188, 0x00d8 },
 125        { 1189, 0x1eb5 },
 126        { 1190, 0xf145 },
 127        { 1191, 0x0b75 },
 128        { 1192, 0x01c5 },
 129        { 1193, 0x1c58 },
 130        { 1194, 0xf373 },
 131        { 1195, 0x0a54 },
 132        { 1196, 0x0558 },
 133        { 1197, 0x168e },
 134        { 1198, 0xf829 },
 135        { 1199, 0x07ad },
 136        { 1200, 0x1103 },
 137        { 1201, 0x0564 },
 138        { 1202, 0x0559 },
 139        { 1203, 0x4000 },
 140        { 1280, 0x00c0 },
 141        { 1281, 0x00c0 },
 142        { 1282, 0x00c0 },
 143        { 1283, 0x00c0 },
 144        { 1312, 0x0200 },
 145        { 1313, 0x0010 },
 146        { 1344, 0x0098 },
 147        { 1345, 0x0845 },
 148        { 1408, 0x6318 },
 149        { 1409, 0x6300 },
 150        { 1410, 0x0fca },
 151        { 1411, 0x0400 },
 152        { 1412, 0x00d8 },
 153        { 1413, 0x1eb5 },
 154        { 1414, 0xf145 },
 155        { 1415, 0x0b75 },
 156        { 1416, 0x01c5 },
 157        { 1417, 0x1c58 },
 158        { 1418, 0xf373 },
 159        { 1419, 0x0a54 },
 160        { 1420, 0x0558 },
 161        { 1421, 0x168e },
 162        { 1422, 0xf829 },
 163        { 1423, 0x07ad },
 164        { 1424, 0x1103 },
 165        { 1425, 0x0564 },
 166        { 1426, 0x0559 },
 167        { 1427, 0x4000 },
 168        { 1568, 0x0002 },
 169        { 1792, 0xa100 },
 170        { 1793, 0xa101 },
 171        { 1794, 0xa101 },
 172        { 1795, 0xa101 },
 173        { 1796, 0xa101 },
 174        { 1797, 0xa101 },
 175        { 1798, 0xa101 },
 176        { 1799, 0xa101 },
 177        { 1800, 0xa101 },
 178        { 1801, 0xa101 },
 179        { 1802, 0xa101 },
 180        { 1803, 0xa101 },
 181        { 1804, 0xa101 },
 182        { 1805, 0xa101 },
 183        { 1825, 0x0055 },
 184        { 1848, 0x3fff },
 185        { 1849, 0x1fff },
 186        { 2049, 0x0001 },
 187        { 2050, 0x0069 },
 188        { 2056, 0x0002 },
 189        { 2057, 0x0003 },
 190        { 2058, 0x0069 },
 191        { 12288, 0x0001 },
 192        { 12289, 0x0001 },
 193        { 12291, 0x0006 },
 194        { 12292, 0x0040 },
 195        { 12293, 0x0001 },
 196        { 12294, 0x000f },
 197        { 12295, 0x0006 },
 198        { 12296, 0x0001 },
 199        { 12297, 0x0003 },
 200        { 12298, 0x0104 },
 201        { 12300, 0x0060 },
 202        { 12301, 0x0011 },
 203        { 12302, 0x0401 },
 204        { 12304, 0x0050 },
 205        { 12305, 0x0003 },
 206        { 12306, 0x0100 },
 207        { 12308, 0x0051 },
 208        { 12309, 0x0003 },
 209        { 12310, 0x0104 },
 210        { 12311, 0x000a },
 211        { 12312, 0x0060 },
 212        { 12313, 0x003b },
 213        { 12314, 0x0502 },
 214        { 12315, 0x0100 },
 215        { 12316, 0x2fff },
 216        { 12320, 0x2fff },
 217        { 12324, 0x2fff },
 218        { 12328, 0x2fff },
 219        { 12332, 0x2fff },
 220        { 12336, 0x2fff },
 221        { 12340, 0x2fff },
 222        { 12344, 0x2fff },
 223        { 12348, 0x2fff },
 224        { 12352, 0x0001 },
 225        { 12353, 0x0001 },
 226        { 12355, 0x0006 },
 227        { 12356, 0x0040 },
 228        { 12357, 0x0001 },
 229        { 12358, 0x000f },
 230        { 12359, 0x0006 },
 231        { 12360, 0x0001 },
 232        { 12361, 0x0003 },
 233        { 12362, 0x0104 },
 234        { 12364, 0x0060 },
 235        { 12365, 0x0011 },
 236        { 12366, 0x0401 },
 237        { 12368, 0x0050 },
 238        { 12369, 0x0003 },
 239        { 12370, 0x0100 },
 240        { 12372, 0x0060 },
 241        { 12373, 0x003b },
 242        { 12374, 0x0502 },
 243        { 12375, 0x0100 },
 244        { 12376, 0x2fff },
 245        { 12380, 0x2fff },
 246        { 12384, 0x2fff },
 247        { 12388, 0x2fff },
 248        { 12392, 0x2fff },
 249        { 12396, 0x2fff },
 250        { 12400, 0x2fff },
 251        { 12404, 0x2fff },
 252        { 12408, 0x2fff },
 253        { 12412, 0x2fff },
 254        { 12416, 0x0001 },
 255        { 12417, 0x0001 },
 256        { 12419, 0x0006 },
 257        { 12420, 0x0040 },
 258        { 12421, 0x0001 },
 259        { 12422, 0x000f },
 260        { 12423, 0x0006 },
 261        { 12424, 0x0001 },
 262        { 12425, 0x0003 },
 263        { 12426, 0x0106 },
 264        { 12428, 0x0061 },
 265        { 12429, 0x0011 },
 266        { 12430, 0x0401 },
 267        { 12432, 0x0050 },
 268        { 12433, 0x0003 },
 269        { 12434, 0x0102 },
 270        { 12436, 0x0051 },
 271        { 12437, 0x0003 },
 272        { 12438, 0x0106 },
 273        { 12439, 0x000a },
 274        { 12440, 0x0061 },
 275        { 12441, 0x003b },
 276        { 12442, 0x0502 },
 277        { 12443, 0x0100 },
 278        { 12444, 0x2fff },
 279        { 12448, 0x2fff },
 280        { 12452, 0x2fff },
 281        { 12456, 0x2fff },
 282        { 12460, 0x2fff },
 283        { 12464, 0x2fff },
 284        { 12468, 0x2fff },
 285        { 12472, 0x2fff },
 286        { 12476, 0x2fff },
 287        { 12480, 0x0001 },
 288        { 12481, 0x0001 },
 289        { 12483, 0x0006 },
 290        { 12484, 0x0040 },
 291        { 12485, 0x0001 },
 292        { 12486, 0x000f },
 293        { 12487, 0x0006 },
 294        { 12488, 0x0001 },
 295        { 12489, 0x0003 },
 296        { 12490, 0x0106 },
 297        { 12492, 0x0061 },
 298        { 12493, 0x0011 },
 299        { 12494, 0x0401 },
 300        { 12496, 0x0050 },
 301        { 12497, 0x0003 },
 302        { 12498, 0x0102 },
 303        { 12500, 0x0061 },
 304        { 12501, 0x003b },
 305        { 12502, 0x0502 },
 306        { 12503, 0x0100 },
 307        { 12504, 0x2fff },
 308        { 12508, 0x2fff },
 309        { 12512, 0x2fff },
 310        { 12516, 0x2fff },
 311        { 12520, 0x2fff },
 312        { 12524, 0x2fff },
 313        { 12528, 0x2fff },
 314        { 12532, 0x2fff },
 315        { 12536, 0x2fff },
 316        { 12540, 0x2fff },
 317        { 12544, 0x0060 },
 318        { 12546, 0x0601 },
 319        { 12548, 0x0050 },
 320        { 12550, 0x0100 },
 321        { 12552, 0x0001 },
 322        { 12554, 0x0104 },
 323        { 12555, 0x0100 },
 324        { 12556, 0x2fff },
 325        { 12560, 0x2fff },
 326        { 12564, 0x2fff },
 327        { 12568, 0x2fff },
 328        { 12572, 0x2fff },
 329        { 12576, 0x2fff },
 330        { 12580, 0x2fff },
 331        { 12584, 0x2fff },
 332        { 12588, 0x2fff },
 333        { 12592, 0x2fff },
 334        { 12596, 0x2fff },
 335        { 12600, 0x2fff },
 336        { 12604, 0x2fff },
 337        { 12608, 0x0061 },
 338        { 12610, 0x0601 },
 339        { 12612, 0x0050 },
 340        { 12614, 0x0102 },
 341        { 12616, 0x0001 },
 342        { 12618, 0x0106 },
 343        { 12619, 0x0100 },
 344        { 12620, 0x2fff },
 345        { 12624, 0x2fff },
 346        { 12628, 0x2fff },
 347        { 12632, 0x2fff },
 348        { 12636, 0x2fff },
 349        { 12640, 0x2fff },
 350        { 12644, 0x2fff },
 351        { 12648, 0x2fff },
 352        { 12652, 0x2fff },
 353        { 12656, 0x2fff },
 354        { 12660, 0x2fff },
 355        { 12664, 0x2fff },
 356        { 12668, 0x2fff },
 357        { 12672, 0x0060 },
 358        { 12674, 0x0601 },
 359        { 12676, 0x0061 },
 360        { 12678, 0x0601 },
 361        { 12680, 0x0050 },
 362        { 12682, 0x0300 },
 363        { 12684, 0x0001 },
 364        { 12686, 0x0304 },
 365        { 12688, 0x0040 },
 366        { 12690, 0x000f },
 367        { 12692, 0x0001 },
 368        { 12695, 0x0100 },
 369};
 370
 371struct fll_config {
 372        int src;
 373        int in;
 374        int out;
 375};
 376
 377struct wm8995_priv {
 378        struct regmap *regmap;
 379        int sysclk[2];
 380        int mclk[2];
 381        int aifclk[2];
 382        struct fll_config fll[2], fll_suspend[2];
 383        struct regulator_bulk_data supplies[WM8995_NUM_SUPPLIES];
 384        struct notifier_block disable_nb[WM8995_NUM_SUPPLIES];
 385        struct snd_soc_component *component;
 386};
 387
 388/*
 389 * We can't use the same notifier block for more than one supply and
 390 * there's no way I can see to get from a callback to the caller
 391 * except container_of().
 392 */
 393#define WM8995_REGULATOR_EVENT(n) \
 394static int wm8995_regulator_event_##n(struct notifier_block *nb, \
 395                                      unsigned long event, void *data)    \
 396{ \
 397        struct wm8995_priv *wm8995 = container_of(nb, struct wm8995_priv, \
 398                                     disable_nb[n]); \
 399        if (event & REGULATOR_EVENT_DISABLE) { \
 400                regcache_mark_dirty(wm8995->regmap);    \
 401        } \
 402        return 0; \
 403}
 404
 405WM8995_REGULATOR_EVENT(0)
 406WM8995_REGULATOR_EVENT(1)
 407WM8995_REGULATOR_EVENT(2)
 408WM8995_REGULATOR_EVENT(3)
 409WM8995_REGULATOR_EVENT(4)
 410WM8995_REGULATOR_EVENT(5)
 411WM8995_REGULATOR_EVENT(6)
 412WM8995_REGULATOR_EVENT(7)
 413
 414static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
 415static const DECLARE_TLV_DB_SCALE(in1lr_pga_tlv, -1650, 150, 0);
 416static const DECLARE_TLV_DB_SCALE(in1l_boost_tlv, 0, 600, 0);
 417static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
 418
 419static const char *in1l_text[] = {
 420        "Differential", "Single-ended IN1LN", "Single-ended IN1LP"
 421};
 422
 423static SOC_ENUM_SINGLE_DECL(in1l_enum, WM8995_LEFT_LINE_INPUT_CONTROL,
 424                            2, in1l_text);
 425
 426static const char *in1r_text[] = {
 427        "Differential", "Single-ended IN1RN", "Single-ended IN1RP"
 428};
 429
 430static SOC_ENUM_SINGLE_DECL(in1r_enum, WM8995_LEFT_LINE_INPUT_CONTROL,
 431                            0, in1r_text);
 432
 433static const char *dmic_src_text[] = {
 434        "DMICDAT1", "DMICDAT2", "DMICDAT3"
 435};
 436
 437static SOC_ENUM_SINGLE_DECL(dmic_src1_enum, WM8995_POWER_MANAGEMENT_5,
 438                            8, dmic_src_text);
 439static SOC_ENUM_SINGLE_DECL(dmic_src2_enum, WM8995_POWER_MANAGEMENT_5,
 440                            6, dmic_src_text);
 441
 442static const struct snd_kcontrol_new wm8995_snd_controls[] = {
 443        SOC_DOUBLE_R_TLV("DAC1 Volume", WM8995_DAC1_LEFT_VOLUME,
 444                WM8995_DAC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
 445        SOC_DOUBLE_R("DAC1 Switch", WM8995_DAC1_LEFT_VOLUME,
 446                WM8995_DAC1_RIGHT_VOLUME, 9, 1, 1),
 447
 448        SOC_DOUBLE_R_TLV("DAC2 Volume", WM8995_DAC2_LEFT_VOLUME,
 449                WM8995_DAC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
 450        SOC_DOUBLE_R("DAC2 Switch", WM8995_DAC2_LEFT_VOLUME,
 451                WM8995_DAC2_RIGHT_VOLUME, 9, 1, 1),
 452
 453        SOC_DOUBLE_R_TLV("AIF1DAC1 Volume", WM8995_AIF1_DAC1_LEFT_VOLUME,
 454                WM8995_AIF1_DAC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
 455        SOC_DOUBLE_R_TLV("AIF1DAC2 Volume", WM8995_AIF1_DAC2_LEFT_VOLUME,
 456                WM8995_AIF1_DAC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
 457        SOC_DOUBLE_R_TLV("AIF2DAC Volume", WM8995_AIF2_DAC_LEFT_VOLUME,
 458                WM8995_AIF2_DAC_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
 459
 460        SOC_DOUBLE_R_TLV("IN1LR Volume", WM8995_LEFT_LINE_INPUT_1_VOLUME,
 461                WM8995_RIGHT_LINE_INPUT_1_VOLUME, 0, 31, 0, in1lr_pga_tlv),
 462
 463        SOC_SINGLE_TLV("IN1L Boost", WM8995_LEFT_LINE_INPUT_CONTROL,
 464                4, 3, 0, in1l_boost_tlv),
 465
 466        SOC_ENUM("IN1L Mode", in1l_enum),
 467        SOC_ENUM("IN1R Mode", in1r_enum),
 468
 469        SOC_ENUM("DMIC1 SRC", dmic_src1_enum),
 470        SOC_ENUM("DMIC2 SRC", dmic_src2_enum),
 471
 472        SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8995_DAC1_MIXER_VOLUMES, 0, 5,
 473                24, 0, sidetone_tlv),
 474        SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8995_DAC2_MIXER_VOLUMES, 0, 5,
 475                24, 0, sidetone_tlv),
 476
 477        SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8995_AIF1_ADC1_LEFT_VOLUME,
 478                WM8995_AIF1_ADC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
 479        SOC_DOUBLE_R_TLV("AIF1ADC2 Volume", WM8995_AIF1_ADC2_LEFT_VOLUME,
 480                WM8995_AIF1_ADC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
 481        SOC_DOUBLE_R_TLV("AIF2ADC Volume", WM8995_AIF2_ADC_LEFT_VOLUME,
 482                WM8995_AIF2_ADC_RIGHT_VOLUME, 0, 96, 0, digital_tlv)
 483};
 484
 485static void wm8995_update_class_w(struct snd_soc_component *component)
 486{
 487        int enable = 1;
 488        int source = 0;  /* GCC flow analysis can't track enable */
 489        int reg, reg_r;
 490
 491        /* We also need the same setting for L/R and only one path */
 492        reg = snd_soc_component_read(component, WM8995_DAC1_LEFT_MIXER_ROUTING);
 493        switch (reg) {
 494        case WM8995_AIF2DACL_TO_DAC1L:
 495                dev_dbg(component->dev, "Class W source AIF2DAC\n");
 496                source = 2 << WM8995_CP_DYN_SRC_SEL_SHIFT;
 497                break;
 498        case WM8995_AIF1DAC2L_TO_DAC1L:
 499                dev_dbg(component->dev, "Class W source AIF1DAC2\n");
 500                source = 1 << WM8995_CP_DYN_SRC_SEL_SHIFT;
 501                break;
 502        case WM8995_AIF1DAC1L_TO_DAC1L:
 503                dev_dbg(component->dev, "Class W source AIF1DAC1\n");
 504                source = 0 << WM8995_CP_DYN_SRC_SEL_SHIFT;
 505                break;
 506        default:
 507                dev_dbg(component->dev, "DAC mixer setting: %x\n", reg);
 508                enable = 0;
 509                break;
 510        }
 511
 512        reg_r = snd_soc_component_read(component, WM8995_DAC1_RIGHT_MIXER_ROUTING);
 513        if (reg_r != reg) {
 514                dev_dbg(component->dev, "Left and right DAC mixers different\n");
 515                enable = 0;
 516        }
 517
 518        if (enable) {
 519                dev_dbg(component->dev, "Class W enabled\n");
 520                snd_soc_component_update_bits(component, WM8995_CLASS_W_1,
 521                                    WM8995_CP_DYN_PWR_MASK |
 522                                    WM8995_CP_DYN_SRC_SEL_MASK,
 523                                    source | WM8995_CP_DYN_PWR);
 524        } else {
 525                dev_dbg(component->dev, "Class W disabled\n");
 526                snd_soc_component_update_bits(component, WM8995_CLASS_W_1,
 527                                    WM8995_CP_DYN_PWR_MASK, 0);
 528        }
 529}
 530
 531static int check_clk_sys(struct snd_soc_dapm_widget *source,
 532                         struct snd_soc_dapm_widget *sink)
 533{
 534        struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
 535        unsigned int reg;
 536        const char *clk;
 537
 538        reg = snd_soc_component_read(component, WM8995_CLOCKING_1);
 539        /* Check what we're currently using for CLK_SYS */
 540        if (reg & WM8995_SYSCLK_SRC)
 541                clk = "AIF2CLK";
 542        else
 543                clk = "AIF1CLK";
 544        return !strcmp(source->name, clk);
 545}
 546
 547static int wm8995_put_class_w(struct snd_kcontrol *kcontrol,
 548                              struct snd_ctl_elem_value *ucontrol)
 549{
 550        struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
 551        int ret;
 552
 553        ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
 554        wm8995_update_class_w(component);
 555        return ret;
 556}
 557
 558static int hp_supply_event(struct snd_soc_dapm_widget *w,
 559                           struct snd_kcontrol *kcontrol, int event)
 560{
 561        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 562
 563        switch (event) {
 564        case SND_SOC_DAPM_PRE_PMU:
 565                /* Enable the headphone amp */
 566                snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1,
 567                                    WM8995_HPOUT1L_ENA_MASK |
 568                                    WM8995_HPOUT1R_ENA_MASK,
 569                                    WM8995_HPOUT1L_ENA |
 570                                    WM8995_HPOUT1R_ENA);
 571
 572                /* Enable the second stage */
 573                snd_soc_component_update_bits(component, WM8995_ANALOGUE_HP_1,
 574                                    WM8995_HPOUT1L_DLY_MASK |
 575                                    WM8995_HPOUT1R_DLY_MASK,
 576                                    WM8995_HPOUT1L_DLY |
 577                                    WM8995_HPOUT1R_DLY);
 578                break;
 579        case SND_SOC_DAPM_PRE_PMD:
 580                snd_soc_component_update_bits(component, WM8995_CHARGE_PUMP_1,
 581                                    WM8995_CP_ENA_MASK, 0);
 582                break;
 583        }
 584
 585        return 0;
 586}
 587
 588static void dc_servo_cmd(struct snd_soc_component *component,
 589                         unsigned int reg, unsigned int val, unsigned int mask)
 590{
 591        int timeout = 10;
 592
 593        dev_dbg(component->dev, "%s: reg = %#x, val = %#x, mask = %#x\n",
 594                __func__, reg, val, mask);
 595
 596        snd_soc_component_write(component, reg, val);
 597        while (timeout--) {
 598                msleep(10);
 599                val = snd_soc_component_read(component, WM8995_DC_SERVO_READBACK_0);
 600                if ((val & mask) == mask)
 601                        return;
 602        }
 603
 604        dev_err(component->dev, "Timed out waiting for DC Servo\n");
 605}
 606
 607static int hp_event(struct snd_soc_dapm_widget *w,
 608                    struct snd_kcontrol *kcontrol, int event)
 609{
 610        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 611        unsigned int reg;
 612
 613        reg = snd_soc_component_read(component, WM8995_ANALOGUE_HP_1);
 614
 615        switch (event) {
 616        case SND_SOC_DAPM_POST_PMU:
 617                snd_soc_component_update_bits(component, WM8995_CHARGE_PUMP_1,
 618                                    WM8995_CP_ENA_MASK, WM8995_CP_ENA);
 619
 620                msleep(5);
 621
 622                snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1,
 623                                    WM8995_HPOUT1L_ENA_MASK |
 624                                    WM8995_HPOUT1R_ENA_MASK,
 625                                    WM8995_HPOUT1L_ENA | WM8995_HPOUT1R_ENA);
 626
 627                udelay(20);
 628
 629                reg |= WM8995_HPOUT1L_DLY | WM8995_HPOUT1R_DLY;
 630                snd_soc_component_write(component, WM8995_ANALOGUE_HP_1, reg);
 631
 632                snd_soc_component_write(component, WM8995_DC_SERVO_1, WM8995_DCS_ENA_CHAN_0 |
 633                              WM8995_DCS_ENA_CHAN_1);
 634
 635                dc_servo_cmd(component, WM8995_DC_SERVO_2,
 636                             WM8995_DCS_TRIG_STARTUP_0 |
 637                             WM8995_DCS_TRIG_STARTUP_1,
 638                             WM8995_DCS_TRIG_DAC_WR_0 |
 639                             WM8995_DCS_TRIG_DAC_WR_1);
 640
 641                reg |= WM8995_HPOUT1R_OUTP | WM8995_HPOUT1R_RMV_SHORT |
 642                       WM8995_HPOUT1L_OUTP | WM8995_HPOUT1L_RMV_SHORT;
 643                snd_soc_component_write(component, WM8995_ANALOGUE_HP_1, reg);
 644
 645                break;
 646        case SND_SOC_DAPM_PRE_PMD:
 647                snd_soc_component_update_bits(component, WM8995_ANALOGUE_HP_1,
 648                                    WM8995_HPOUT1L_OUTP_MASK |
 649                                    WM8995_HPOUT1R_OUTP_MASK |
 650                                    WM8995_HPOUT1L_RMV_SHORT_MASK |
 651                                    WM8995_HPOUT1R_RMV_SHORT_MASK, 0);
 652
 653                snd_soc_component_update_bits(component, WM8995_ANALOGUE_HP_1,
 654                                    WM8995_HPOUT1L_DLY_MASK |
 655                                    WM8995_HPOUT1R_DLY_MASK, 0);
 656
 657                snd_soc_component_write(component, WM8995_DC_SERVO_1, 0);
 658
 659                snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1,
 660                                    WM8995_HPOUT1L_ENA_MASK |
 661                                    WM8995_HPOUT1R_ENA_MASK,
 662                                    0);
 663                break;
 664        }
 665
 666        return 0;
 667}
 668
 669static int configure_aif_clock(struct snd_soc_component *component, int aif)
 670{
 671        struct wm8995_priv *wm8995;
 672        int rate;
 673        int reg1 = 0;
 674        int offset;
 675
 676        wm8995 = snd_soc_component_get_drvdata(component);
 677
 678        if (aif)
 679                offset = 4;
 680        else
 681                offset = 0;
 682
 683        switch (wm8995->sysclk[aif]) {
 684        case WM8995_SYSCLK_MCLK1:
 685                rate = wm8995->mclk[0];
 686                break;
 687        case WM8995_SYSCLK_MCLK2:
 688                reg1 |= 0x8;
 689                rate = wm8995->mclk[1];
 690                break;
 691        case WM8995_SYSCLK_FLL1:
 692                reg1 |= 0x10;
 693                rate = wm8995->fll[0].out;
 694                break;
 695        case WM8995_SYSCLK_FLL2:
 696                reg1 |= 0x18;
 697                rate = wm8995->fll[1].out;
 698                break;
 699        default:
 700                return -EINVAL;
 701        }
 702
 703        if (rate >= 13500000) {
 704                rate /= 2;
 705                reg1 |= WM8995_AIF1CLK_DIV;
 706
 707                dev_dbg(component->dev, "Dividing AIF%d clock to %dHz\n",
 708                        aif + 1, rate);
 709        }
 710
 711        wm8995->aifclk[aif] = rate;
 712
 713        snd_soc_component_update_bits(component, WM8995_AIF1_CLOCKING_1 + offset,
 714                            WM8995_AIF1CLK_SRC_MASK | WM8995_AIF1CLK_DIV_MASK,
 715                            reg1);
 716        return 0;
 717}
 718
 719static int configure_clock(struct snd_soc_component *component)
 720{
 721        struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
 722        struct wm8995_priv *wm8995;
 723        int change, new;
 724
 725        wm8995 = snd_soc_component_get_drvdata(component);
 726
 727        /* Bring up the AIF clocks first */
 728        configure_aif_clock(component, 0);
 729        configure_aif_clock(component, 1);
 730
 731        /*
 732         * Then switch CLK_SYS over to the higher of them; a change
 733         * can only happen as a result of a clocking change which can
 734         * only be made outside of DAPM so we can safely redo the
 735         * clocking.
 736         */
 737
 738        /* If they're equal it doesn't matter which is used */
 739        if (wm8995->aifclk[0] == wm8995->aifclk[1])
 740                return 0;
 741
 742        if (wm8995->aifclk[0] < wm8995->aifclk[1])
 743                new = WM8995_SYSCLK_SRC;
 744        else
 745                new = 0;
 746
 747        change = snd_soc_component_update_bits(component, WM8995_CLOCKING_1,
 748                                     WM8995_SYSCLK_SRC_MASK, new);
 749        if (!change)
 750                return 0;
 751
 752        snd_soc_dapm_sync(dapm);
 753
 754        return 0;
 755}
 756
 757static int clk_sys_event(struct snd_soc_dapm_widget *w,
 758                         struct snd_kcontrol *kcontrol, int event)
 759{
 760        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 761
 762        switch (event) {
 763        case SND_SOC_DAPM_PRE_PMU:
 764                return configure_clock(component);
 765
 766        case SND_SOC_DAPM_POST_PMD:
 767                configure_clock(component);
 768                break;
 769        }
 770
 771        return 0;
 772}
 773
 774static const char *sidetone_text[] = {
 775        "ADC/DMIC1", "DMIC2",
 776};
 777
 778static SOC_ENUM_SINGLE_DECL(sidetone1_enum, WM8995_SIDETONE, 0, sidetone_text);
 779
 780static const struct snd_kcontrol_new sidetone1_mux =
 781        SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum);
 782
 783static SOC_ENUM_SINGLE_DECL(sidetone2_enum, WM8995_SIDETONE, 1, sidetone_text);
 784
 785static const struct snd_kcontrol_new sidetone2_mux =
 786        SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum);
 787
 788static const struct snd_kcontrol_new aif1adc1l_mix[] = {
 789        SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING,
 790                1, 1, 0),
 791        SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING,
 792                0, 1, 0),
 793};
 794
 795static const struct snd_kcontrol_new aif1adc1r_mix[] = {
 796        SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING,
 797                1, 1, 0),
 798        SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING,
 799                0, 1, 0),
 800};
 801
 802static const struct snd_kcontrol_new aif1adc2l_mix[] = {
 803        SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING,
 804                1, 1, 0),
 805        SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING,
 806                0, 1, 0),
 807};
 808
 809static const struct snd_kcontrol_new aif1adc2r_mix[] = {
 810        SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING,
 811                1, 1, 0),
 812        SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING,
 813                0, 1, 0),
 814};
 815
 816static const struct snd_kcontrol_new dac1l_mix[] = {
 817        WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
 818                5, 1, 0),
 819        WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
 820                4, 1, 0),
 821        WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
 822                2, 1, 0),
 823        WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
 824                1, 1, 0),
 825        WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
 826                0, 1, 0),
 827};
 828
 829static const struct snd_kcontrol_new dac1r_mix[] = {
 830        WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
 831                5, 1, 0),
 832        WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
 833                4, 1, 0),
 834        WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
 835                2, 1, 0),
 836        WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
 837                1, 1, 0),
 838        WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
 839                0, 1, 0),
 840};
 841
 842static const struct snd_kcontrol_new aif2dac2l_mix[] = {
 843        SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
 844                5, 1, 0),
 845        SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
 846                4, 1, 0),
 847        SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
 848                2, 1, 0),
 849        SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
 850                1, 1, 0),
 851        SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
 852                0, 1, 0),
 853};
 854
 855static const struct snd_kcontrol_new aif2dac2r_mix[] = {
 856        SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
 857                5, 1, 0),
 858        SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
 859                4, 1, 0),
 860        SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
 861                2, 1, 0),
 862        SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
 863                1, 1, 0),
 864        SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
 865                0, 1, 0),
 866};
 867
 868static const struct snd_kcontrol_new in1l_pga =
 869        SOC_DAPM_SINGLE("IN1L Switch", WM8995_POWER_MANAGEMENT_2, 5, 1, 0);
 870
 871static const struct snd_kcontrol_new in1r_pga =
 872        SOC_DAPM_SINGLE("IN1R Switch", WM8995_POWER_MANAGEMENT_2, 4, 1, 0);
 873
 874static const char *adc_mux_text[] = {
 875        "ADC",
 876        "DMIC",
 877};
 878
 879static SOC_ENUM_SINGLE_VIRT_DECL(adc_enum, adc_mux_text);
 880
 881static const struct snd_kcontrol_new adcl_mux =
 882        SOC_DAPM_ENUM("ADCL Mux", adc_enum);
 883
 884static const struct snd_kcontrol_new adcr_mux =
 885        SOC_DAPM_ENUM("ADCR Mux", adc_enum);
 886
 887static const char *spk_src_text[] = {
 888        "DAC1L", "DAC1R", "DAC2L", "DAC2R"
 889};
 890
 891static SOC_ENUM_SINGLE_DECL(spk1l_src_enum, WM8995_LEFT_PDM_SPEAKER_1,
 892                            0, spk_src_text);
 893static SOC_ENUM_SINGLE_DECL(spk1r_src_enum, WM8995_RIGHT_PDM_SPEAKER_1,
 894                            0, spk_src_text);
 895static SOC_ENUM_SINGLE_DECL(spk2l_src_enum, WM8995_LEFT_PDM_SPEAKER_2,
 896                            0, spk_src_text);
 897static SOC_ENUM_SINGLE_DECL(spk2r_src_enum, WM8995_RIGHT_PDM_SPEAKER_2,
 898                            0, spk_src_text);
 899
 900static const struct snd_kcontrol_new spk1l_mux =
 901        SOC_DAPM_ENUM("SPK1L SRC", spk1l_src_enum);
 902static const struct snd_kcontrol_new spk1r_mux =
 903        SOC_DAPM_ENUM("SPK1R SRC", spk1r_src_enum);
 904static const struct snd_kcontrol_new spk2l_mux =
 905        SOC_DAPM_ENUM("SPK2L SRC", spk2l_src_enum);
 906static const struct snd_kcontrol_new spk2r_mux =
 907        SOC_DAPM_ENUM("SPK2R SRC", spk2r_src_enum);
 908
 909static const struct snd_soc_dapm_widget wm8995_dapm_widgets[] = {
 910        SND_SOC_DAPM_INPUT("DMIC1DAT"),
 911        SND_SOC_DAPM_INPUT("DMIC2DAT"),
 912
 913        SND_SOC_DAPM_INPUT("IN1L"),
 914        SND_SOC_DAPM_INPUT("IN1R"),
 915
 916        SND_SOC_DAPM_MIXER("IN1L PGA", SND_SOC_NOPM, 0, 0,
 917                &in1l_pga, 1),
 918        SND_SOC_DAPM_MIXER("IN1R PGA", SND_SOC_NOPM, 0, 0,
 919                &in1r_pga, 1),
 920
 921        SND_SOC_DAPM_SUPPLY("MICBIAS1", WM8995_POWER_MANAGEMENT_1, 8, 0,
 922                            NULL, 0),
 923        SND_SOC_DAPM_SUPPLY("MICBIAS2", WM8995_POWER_MANAGEMENT_1, 9, 0,
 924                            NULL, 0),
 925
 926        SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8995_AIF1_CLOCKING_1, 0, 0, NULL, 0),
 927        SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8995_AIF2_CLOCKING_1, 0, 0, NULL, 0),
 928        SND_SOC_DAPM_SUPPLY("DSP1CLK", WM8995_CLOCKING_1, 3, 0, NULL, 0),
 929        SND_SOC_DAPM_SUPPLY("DSP2CLK", WM8995_CLOCKING_1, 2, 0, NULL, 0),
 930        SND_SOC_DAPM_SUPPLY("SYSDSPCLK", WM8995_CLOCKING_1, 1, 0, NULL, 0),
 931        SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
 932                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 933
 934        SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", "AIF1 Capture", 0,
 935                WM8995_POWER_MANAGEMENT_3, 9, 0),
 936        SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", "AIF1 Capture", 0,
 937                WM8995_POWER_MANAGEMENT_3, 8, 0),
 938        SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", "AIF1 Capture", 0,
 939        SND_SOC_NOPM, 0, 0),
 940        SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", "AIF1 Capture",
 941                0, WM8995_POWER_MANAGEMENT_3, 11, 0),
 942        SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", "AIF1 Capture",
 943                0, WM8995_POWER_MANAGEMENT_3, 10, 0),
 944
 945        SND_SOC_DAPM_MUX("ADCL Mux", SND_SOC_NOPM, 1, 0, &adcl_mux),
 946        SND_SOC_DAPM_MUX("ADCR Mux", SND_SOC_NOPM, 0, 0, &adcr_mux),
 947
 948        SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8995_POWER_MANAGEMENT_3, 5, 0),
 949        SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8995_POWER_MANAGEMENT_3, 4, 0),
 950        SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8995_POWER_MANAGEMENT_3, 3, 0),
 951        SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8995_POWER_MANAGEMENT_3, 2, 0),
 952
 953        SND_SOC_DAPM_ADC("ADCL", NULL, WM8995_POWER_MANAGEMENT_3, 1, 0),
 954        SND_SOC_DAPM_ADC("ADCR", NULL, WM8995_POWER_MANAGEMENT_3, 0, 0),
 955
 956        SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0,
 957                aif1adc1l_mix, ARRAY_SIZE(aif1adc1l_mix)),
 958        SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0,
 959                aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)),
 960        SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0,
 961                aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)),
 962        SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0,
 963                aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)),
 964
 965        SND_SOC_DAPM_AIF_IN("AIF1DAC1L", NULL, 0, WM8995_POWER_MANAGEMENT_4,
 966                9, 0),
 967        SND_SOC_DAPM_AIF_IN("AIF1DAC1R", NULL, 0, WM8995_POWER_MANAGEMENT_4,
 968                8, 0),
 969        SND_SOC_DAPM_AIF_IN("AIF1DACDAT", "AIF1 Playback", 0, SND_SOC_NOPM,
 970                0, 0),
 971
 972        SND_SOC_DAPM_AIF_IN("AIF1DAC2L", NULL, 0, WM8995_POWER_MANAGEMENT_4,
 973                11, 0),
 974        SND_SOC_DAPM_AIF_IN("AIF1DAC2R", NULL, 0, WM8995_POWER_MANAGEMENT_4,
 975                10, 0),
 976
 977        SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0,
 978                aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)),
 979        SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0,
 980                aif2dac2r_mix, ARRAY_SIZE(aif2dac2r_mix)),
 981
 982        SND_SOC_DAPM_DAC("DAC2L", NULL, WM8995_POWER_MANAGEMENT_4, 3, 0),
 983        SND_SOC_DAPM_DAC("DAC2R", NULL, WM8995_POWER_MANAGEMENT_4, 2, 0),
 984        SND_SOC_DAPM_DAC("DAC1L", NULL, WM8995_POWER_MANAGEMENT_4, 1, 0),
 985        SND_SOC_DAPM_DAC("DAC1R", NULL, WM8995_POWER_MANAGEMENT_4, 0, 0),
 986
 987        SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0, dac1l_mix,
 988                ARRAY_SIZE(dac1l_mix)),
 989        SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0, dac1r_mix,
 990                ARRAY_SIZE(dac1r_mix)),
 991
 992        SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &sidetone1_mux),
 993        SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &sidetone2_mux),
 994
 995        SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
 996                hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 997
 998        SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0,
 999                hp_supply_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1000
1001        SND_SOC_DAPM_MUX("SPK1L Driver", WM8995_LEFT_PDM_SPEAKER_1,
1002                4, 0, &spk1l_mux),
1003        SND_SOC_DAPM_MUX("SPK1R Driver", WM8995_RIGHT_PDM_SPEAKER_1,
1004                4, 0, &spk1r_mux),
1005        SND_SOC_DAPM_MUX("SPK2L Driver", WM8995_LEFT_PDM_SPEAKER_2,
1006                4, 0, &spk2l_mux),
1007        SND_SOC_DAPM_MUX("SPK2R Driver", WM8995_RIGHT_PDM_SPEAKER_2,
1008                4, 0, &spk2r_mux),
1009
1010        SND_SOC_DAPM_SUPPLY("LDO2", WM8995_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
1011
1012        SND_SOC_DAPM_OUTPUT("HP1L"),
1013        SND_SOC_DAPM_OUTPUT("HP1R"),
1014        SND_SOC_DAPM_OUTPUT("SPK1L"),
1015        SND_SOC_DAPM_OUTPUT("SPK1R"),
1016        SND_SOC_DAPM_OUTPUT("SPK2L"),
1017        SND_SOC_DAPM_OUTPUT("SPK2R")
1018};
1019
1020static const struct snd_soc_dapm_route wm8995_intercon[] = {
1021        { "CLK_SYS", NULL, "AIF1CLK", check_clk_sys },
1022        { "CLK_SYS", NULL, "AIF2CLK", check_clk_sys },
1023
1024        { "DSP1CLK", NULL, "CLK_SYS" },
1025        { "DSP2CLK", NULL, "CLK_SYS" },
1026        { "SYSDSPCLK", NULL, "CLK_SYS" },
1027
1028        { "AIF1ADC1L", NULL, "AIF1CLK" },
1029        { "AIF1ADC1L", NULL, "DSP1CLK" },
1030        { "AIF1ADC1R", NULL, "AIF1CLK" },
1031        { "AIF1ADC1R", NULL, "DSP1CLK" },
1032        { "AIF1ADC1R", NULL, "SYSDSPCLK" },
1033
1034        { "AIF1ADC2L", NULL, "AIF1CLK" },
1035        { "AIF1ADC2L", NULL, "DSP1CLK" },
1036        { "AIF1ADC2R", NULL, "AIF1CLK" },
1037        { "AIF1ADC2R", NULL, "DSP1CLK" },
1038        { "AIF1ADC2R", NULL, "SYSDSPCLK" },
1039
1040        { "DMIC1L", NULL, "DMIC1DAT" },
1041        { "DMIC1L", NULL, "CLK_SYS" },
1042        { "DMIC1R", NULL, "DMIC1DAT" },
1043        { "DMIC1R", NULL, "CLK_SYS" },
1044        { "DMIC2L", NULL, "DMIC2DAT" },
1045        { "DMIC2L", NULL, "CLK_SYS" },
1046        { "DMIC2R", NULL, "DMIC2DAT" },
1047        { "DMIC2R", NULL, "CLK_SYS" },
1048
1049        { "ADCL", NULL, "AIF1CLK" },
1050        { "ADCL", NULL, "DSP1CLK" },
1051        { "ADCL", NULL, "SYSDSPCLK" },
1052
1053        { "ADCR", NULL, "AIF1CLK" },
1054        { "ADCR", NULL, "DSP1CLK" },
1055        { "ADCR", NULL, "SYSDSPCLK" },
1056
1057        { "IN1L PGA", "IN1L Switch", "IN1L" },
1058        { "IN1R PGA", "IN1R Switch", "IN1R" },
1059        { "IN1L PGA", NULL, "LDO2" },
1060        { "IN1R PGA", NULL, "LDO2" },
1061
1062        { "ADCL", NULL, "IN1L PGA" },
1063        { "ADCR", NULL, "IN1R PGA" },
1064
1065        { "ADCL Mux", "ADC", "ADCL" },
1066        { "ADCL Mux", "DMIC", "DMIC1L" },
1067        { "ADCR Mux", "ADC", "ADCR" },
1068        { "ADCR Mux", "DMIC", "DMIC1R" },
1069
1070        /* AIF1 outputs */
1071        { "AIF1ADC1L", NULL, "AIF1ADC1L Mixer" },
1072        { "AIF1ADC1L Mixer", "ADC/DMIC Switch", "ADCL Mux" },
1073
1074        { "AIF1ADC1R", NULL, "AIF1ADC1R Mixer" },
1075        { "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" },
1076
1077        { "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" },
1078        { "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" },
1079
1080        { "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" },
1081        { "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" },
1082
1083        /* Sidetone */
1084        { "Left Sidetone", "ADC/DMIC1", "AIF1ADC1L" },
1085        { "Left Sidetone", "DMIC2", "AIF1ADC2L" },
1086        { "Right Sidetone", "ADC/DMIC1", "AIF1ADC1R" },
1087        { "Right Sidetone", "DMIC2", "AIF1ADC2R" },
1088
1089        { "AIF1DAC1L", NULL, "AIF1CLK" },
1090        { "AIF1DAC1L", NULL, "DSP1CLK" },
1091        { "AIF1DAC1R", NULL, "AIF1CLK" },
1092        { "AIF1DAC1R", NULL, "DSP1CLK" },
1093        { "AIF1DAC1R", NULL, "SYSDSPCLK" },
1094
1095        { "AIF1DAC2L", NULL, "AIF1CLK" },
1096        { "AIF1DAC2L", NULL, "DSP1CLK" },
1097        { "AIF1DAC2R", NULL, "AIF1CLK" },
1098        { "AIF1DAC2R", NULL, "DSP1CLK" },
1099        { "AIF1DAC2R", NULL, "SYSDSPCLK" },
1100
1101        { "DAC1L", NULL, "AIF1CLK" },
1102        { "DAC1L", NULL, "DSP1CLK" },
1103        { "DAC1L", NULL, "SYSDSPCLK" },
1104
1105        { "DAC1R", NULL, "AIF1CLK" },
1106        { "DAC1R", NULL, "DSP1CLK" },
1107        { "DAC1R", NULL, "SYSDSPCLK" },
1108
1109        { "AIF1DAC1L", NULL, "AIF1DACDAT" },
1110        { "AIF1DAC1R", NULL, "AIF1DACDAT" },
1111        { "AIF1DAC2L", NULL, "AIF1DACDAT" },
1112        { "AIF1DAC2R", NULL, "AIF1DACDAT" },
1113
1114        /* DAC1 inputs */
1115        { "DAC1L", NULL, "DAC1L Mixer" },
1116        { "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1117        { "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1118        { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1119        { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1120
1121        { "DAC1R", NULL, "DAC1R Mixer" },
1122        { "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1123        { "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1124        { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1125        { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1126
1127        /* DAC2/AIF2 outputs */
1128        { "DAC2L", NULL, "AIF2DAC2L Mixer" },
1129        { "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1130        { "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1131
1132        { "DAC2R", NULL, "AIF2DAC2R Mixer" },
1133        { "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1134        { "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1135
1136        /* Output stages */
1137        { "Headphone PGA", NULL, "DAC1L" },
1138        { "Headphone PGA", NULL, "DAC1R" },
1139
1140        { "Headphone PGA", NULL, "DAC2L" },
1141        { "Headphone PGA", NULL, "DAC2R" },
1142
1143        { "Headphone PGA", NULL, "Headphone Supply" },
1144        { "Headphone PGA", NULL, "CLK_SYS" },
1145        { "Headphone PGA", NULL, "LDO2" },
1146
1147        { "HP1L", NULL, "Headphone PGA" },
1148        { "HP1R", NULL, "Headphone PGA" },
1149
1150        { "SPK1L Driver", "DAC1L", "DAC1L" },
1151        { "SPK1L Driver", "DAC1R", "DAC1R" },
1152        { "SPK1L Driver", "DAC2L", "DAC2L" },
1153        { "SPK1L Driver", "DAC2R", "DAC2R" },
1154        { "SPK1L Driver", NULL, "CLK_SYS" },
1155
1156        { "SPK1R Driver", "DAC1L", "DAC1L" },
1157        { "SPK1R Driver", "DAC1R", "DAC1R" },
1158        { "SPK1R Driver", "DAC2L", "DAC2L" },
1159        { "SPK1R Driver", "DAC2R", "DAC2R" },
1160        { "SPK1R Driver", NULL, "CLK_SYS" },
1161
1162        { "SPK2L Driver", "DAC1L", "DAC1L" },
1163        { "SPK2L Driver", "DAC1R", "DAC1R" },
1164        { "SPK2L Driver", "DAC2L", "DAC2L" },
1165        { "SPK2L Driver", "DAC2R", "DAC2R" },
1166        { "SPK2L Driver", NULL, "CLK_SYS" },
1167
1168        { "SPK2R Driver", "DAC1L", "DAC1L" },
1169        { "SPK2R Driver", "DAC1R", "DAC1R" },
1170        { "SPK2R Driver", "DAC2L", "DAC2L" },
1171        { "SPK2R Driver", "DAC2R", "DAC2R" },
1172        { "SPK2R Driver", NULL, "CLK_SYS" },
1173
1174        { "SPK1L", NULL, "SPK1L Driver" },
1175        { "SPK1R", NULL, "SPK1R Driver" },
1176        { "SPK2L", NULL, "SPK2L Driver" },
1177        { "SPK2R", NULL, "SPK2R Driver" }
1178};
1179
1180static bool wm8995_readable(struct device *dev, unsigned int reg)
1181{
1182        switch (reg) {
1183        case WM8995_SOFTWARE_RESET:
1184        case WM8995_POWER_MANAGEMENT_1:
1185        case WM8995_POWER_MANAGEMENT_2:
1186        case WM8995_POWER_MANAGEMENT_3:
1187        case WM8995_POWER_MANAGEMENT_4:
1188        case WM8995_POWER_MANAGEMENT_5:
1189        case WM8995_LEFT_LINE_INPUT_1_VOLUME:
1190        case WM8995_RIGHT_LINE_INPUT_1_VOLUME:
1191        case WM8995_LEFT_LINE_INPUT_CONTROL:
1192        case WM8995_DAC1_LEFT_VOLUME:
1193        case WM8995_DAC1_RIGHT_VOLUME:
1194        case WM8995_DAC2_LEFT_VOLUME:
1195        case WM8995_DAC2_RIGHT_VOLUME:
1196        case WM8995_OUTPUT_VOLUME_ZC_1:
1197        case WM8995_MICBIAS_1:
1198        case WM8995_MICBIAS_2:
1199        case WM8995_LDO_1:
1200        case WM8995_LDO_2:
1201        case WM8995_ACCESSORY_DETECT_MODE1:
1202        case WM8995_ACCESSORY_DETECT_MODE2:
1203        case WM8995_HEADPHONE_DETECT1:
1204        case WM8995_HEADPHONE_DETECT2:
1205        case WM8995_MIC_DETECT_1:
1206        case WM8995_MIC_DETECT_2:
1207        case WM8995_CHARGE_PUMP_1:
1208        case WM8995_CLASS_W_1:
1209        case WM8995_DC_SERVO_1:
1210        case WM8995_DC_SERVO_2:
1211        case WM8995_DC_SERVO_3:
1212        case WM8995_DC_SERVO_5:
1213        case WM8995_DC_SERVO_6:
1214        case WM8995_DC_SERVO_7:
1215        case WM8995_DC_SERVO_READBACK_0:
1216        case WM8995_ANALOGUE_HP_1:
1217        case WM8995_ANALOGUE_HP_2:
1218        case WM8995_CHIP_REVISION:
1219        case WM8995_CONTROL_INTERFACE_1:
1220        case WM8995_CONTROL_INTERFACE_2:
1221        case WM8995_WRITE_SEQUENCER_CTRL_1:
1222        case WM8995_WRITE_SEQUENCER_CTRL_2:
1223        case WM8995_AIF1_CLOCKING_1:
1224        case WM8995_AIF1_CLOCKING_2:
1225        case WM8995_AIF2_CLOCKING_1:
1226        case WM8995_AIF2_CLOCKING_2:
1227        case WM8995_CLOCKING_1:
1228        case WM8995_CLOCKING_2:
1229        case WM8995_AIF1_RATE:
1230        case WM8995_AIF2_RATE:
1231        case WM8995_RATE_STATUS:
1232        case WM8995_FLL1_CONTROL_1:
1233        case WM8995_FLL1_CONTROL_2:
1234        case WM8995_FLL1_CONTROL_3:
1235        case WM8995_FLL1_CONTROL_4:
1236        case WM8995_FLL1_CONTROL_5:
1237        case WM8995_FLL2_CONTROL_1:
1238        case WM8995_FLL2_CONTROL_2:
1239        case WM8995_FLL2_CONTROL_3:
1240        case WM8995_FLL2_CONTROL_4:
1241        case WM8995_FLL2_CONTROL_5:
1242        case WM8995_AIF1_CONTROL_1:
1243        case WM8995_AIF1_CONTROL_2:
1244        case WM8995_AIF1_MASTER_SLAVE:
1245        case WM8995_AIF1_BCLK:
1246        case WM8995_AIF1ADC_LRCLK:
1247        case WM8995_AIF1DAC_LRCLK:
1248        case WM8995_AIF1DAC_DATA:
1249        case WM8995_AIF1ADC_DATA:
1250        case WM8995_AIF2_CONTROL_1:
1251        case WM8995_AIF2_CONTROL_2:
1252        case WM8995_AIF2_MASTER_SLAVE:
1253        case WM8995_AIF2_BCLK:
1254        case WM8995_AIF2ADC_LRCLK:
1255        case WM8995_AIF2DAC_LRCLK:
1256        case WM8995_AIF2DAC_DATA:
1257        case WM8995_AIF2ADC_DATA:
1258        case WM8995_AIF1_ADC1_LEFT_VOLUME:
1259        case WM8995_AIF1_ADC1_RIGHT_VOLUME:
1260        case WM8995_AIF1_DAC1_LEFT_VOLUME:
1261        case WM8995_AIF1_DAC1_RIGHT_VOLUME:
1262        case WM8995_AIF1_ADC2_LEFT_VOLUME:
1263        case WM8995_AIF1_ADC2_RIGHT_VOLUME:
1264        case WM8995_AIF1_DAC2_LEFT_VOLUME:
1265        case WM8995_AIF1_DAC2_RIGHT_VOLUME:
1266        case WM8995_AIF1_ADC1_FILTERS:
1267        case WM8995_AIF1_ADC2_FILTERS:
1268        case WM8995_AIF1_DAC1_FILTERS_1:
1269        case WM8995_AIF1_DAC1_FILTERS_2:
1270        case WM8995_AIF1_DAC2_FILTERS_1:
1271        case WM8995_AIF1_DAC2_FILTERS_2:
1272        case WM8995_AIF1_DRC1_1:
1273        case WM8995_AIF1_DRC1_2:
1274        case WM8995_AIF1_DRC1_3:
1275        case WM8995_AIF1_DRC1_4:
1276        case WM8995_AIF1_DRC1_5:
1277        case WM8995_AIF1_DRC2_1:
1278        case WM8995_AIF1_DRC2_2:
1279        case WM8995_AIF1_DRC2_3:
1280        case WM8995_AIF1_DRC2_4:
1281        case WM8995_AIF1_DRC2_5:
1282        case WM8995_AIF1_DAC1_EQ_GAINS_1:
1283        case WM8995_AIF1_DAC1_EQ_GAINS_2:
1284        case WM8995_AIF1_DAC1_EQ_BAND_1_A:
1285        case WM8995_AIF1_DAC1_EQ_BAND_1_B:
1286        case WM8995_AIF1_DAC1_EQ_BAND_1_PG:
1287        case WM8995_AIF1_DAC1_EQ_BAND_2_A:
1288        case WM8995_AIF1_DAC1_EQ_BAND_2_B:
1289        case WM8995_AIF1_DAC1_EQ_BAND_2_C:
1290        case WM8995_AIF1_DAC1_EQ_BAND_2_PG:
1291        case WM8995_AIF1_DAC1_EQ_BAND_3_A:
1292        case WM8995_AIF1_DAC1_EQ_BAND_3_B:
1293        case WM8995_AIF1_DAC1_EQ_BAND_3_C:
1294        case WM8995_AIF1_DAC1_EQ_BAND_3_PG:
1295        case WM8995_AIF1_DAC1_EQ_BAND_4_A:
1296        case WM8995_AIF1_DAC1_EQ_BAND_4_B:
1297        case WM8995_AIF1_DAC1_EQ_BAND_4_C:
1298        case WM8995_AIF1_DAC1_EQ_BAND_4_PG:
1299        case WM8995_AIF1_DAC1_EQ_BAND_5_A:
1300        case WM8995_AIF1_DAC1_EQ_BAND_5_B:
1301        case WM8995_AIF1_DAC1_EQ_BAND_5_PG:
1302        case WM8995_AIF1_DAC2_EQ_GAINS_1:
1303        case WM8995_AIF1_DAC2_EQ_GAINS_2:
1304        case WM8995_AIF1_DAC2_EQ_BAND_1_A:
1305        case WM8995_AIF1_DAC2_EQ_BAND_1_B:
1306        case WM8995_AIF1_DAC2_EQ_BAND_1_PG:
1307        case WM8995_AIF1_DAC2_EQ_BAND_2_A:
1308        case WM8995_AIF1_DAC2_EQ_BAND_2_B:
1309        case WM8995_AIF1_DAC2_EQ_BAND_2_C:
1310        case WM8995_AIF1_DAC2_EQ_BAND_2_PG:
1311        case WM8995_AIF1_DAC2_EQ_BAND_3_A:
1312        case WM8995_AIF1_DAC2_EQ_BAND_3_B:
1313        case WM8995_AIF1_DAC2_EQ_BAND_3_C:
1314        case WM8995_AIF1_DAC2_EQ_BAND_3_PG:
1315        case WM8995_AIF1_DAC2_EQ_BAND_4_A:
1316        case WM8995_AIF1_DAC2_EQ_BAND_4_B:
1317        case WM8995_AIF1_DAC2_EQ_BAND_4_C:
1318        case WM8995_AIF1_DAC2_EQ_BAND_4_PG:
1319        case WM8995_AIF1_DAC2_EQ_BAND_5_A:
1320        case WM8995_AIF1_DAC2_EQ_BAND_5_B:
1321        case WM8995_AIF1_DAC2_EQ_BAND_5_PG:
1322        case WM8995_AIF2_ADC_LEFT_VOLUME:
1323        case WM8995_AIF2_ADC_RIGHT_VOLUME:
1324        case WM8995_AIF2_DAC_LEFT_VOLUME:
1325        case WM8995_AIF2_DAC_RIGHT_VOLUME:
1326        case WM8995_AIF2_ADC_FILTERS:
1327        case WM8995_AIF2_DAC_FILTERS_1:
1328        case WM8995_AIF2_DAC_FILTERS_2:
1329        case WM8995_AIF2_DRC_1:
1330        case WM8995_AIF2_DRC_2:
1331        case WM8995_AIF2_DRC_3:
1332        case WM8995_AIF2_DRC_4:
1333        case WM8995_AIF2_DRC_5:
1334        case WM8995_AIF2_EQ_GAINS_1:
1335        case WM8995_AIF2_EQ_GAINS_2:
1336        case WM8995_AIF2_EQ_BAND_1_A:
1337        case WM8995_AIF2_EQ_BAND_1_B:
1338        case WM8995_AIF2_EQ_BAND_1_PG:
1339        case WM8995_AIF2_EQ_BAND_2_A:
1340        case WM8995_AIF2_EQ_BAND_2_B:
1341        case WM8995_AIF2_EQ_BAND_2_C:
1342        case WM8995_AIF2_EQ_BAND_2_PG:
1343        case WM8995_AIF2_EQ_BAND_3_A:
1344        case WM8995_AIF2_EQ_BAND_3_B:
1345        case WM8995_AIF2_EQ_BAND_3_C:
1346        case WM8995_AIF2_EQ_BAND_3_PG:
1347        case WM8995_AIF2_EQ_BAND_4_A:
1348        case WM8995_AIF2_EQ_BAND_4_B:
1349        case WM8995_AIF2_EQ_BAND_4_C:
1350        case WM8995_AIF2_EQ_BAND_4_PG:
1351        case WM8995_AIF2_EQ_BAND_5_A:
1352        case WM8995_AIF2_EQ_BAND_5_B:
1353        case WM8995_AIF2_EQ_BAND_5_PG:
1354        case WM8995_DAC1_MIXER_VOLUMES:
1355        case WM8995_DAC1_LEFT_MIXER_ROUTING:
1356        case WM8995_DAC1_RIGHT_MIXER_ROUTING:
1357        case WM8995_DAC2_MIXER_VOLUMES:
1358        case WM8995_DAC2_LEFT_MIXER_ROUTING:
1359        case WM8995_DAC2_RIGHT_MIXER_ROUTING:
1360        case WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING:
1361        case WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING:
1362        case WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING:
1363        case WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING:
1364        case WM8995_DAC_SOFTMUTE:
1365        case WM8995_OVERSAMPLING:
1366        case WM8995_SIDETONE:
1367        case WM8995_GPIO_1:
1368        case WM8995_GPIO_2:
1369        case WM8995_GPIO_3:
1370        case WM8995_GPIO_4:
1371        case WM8995_GPIO_5:
1372        case WM8995_GPIO_6:
1373        case WM8995_GPIO_7:
1374        case WM8995_GPIO_8:
1375        case WM8995_GPIO_9:
1376        case WM8995_GPIO_10:
1377        case WM8995_GPIO_11:
1378        case WM8995_GPIO_12:
1379        case WM8995_GPIO_13:
1380        case WM8995_GPIO_14:
1381        case WM8995_PULL_CONTROL_1:
1382        case WM8995_PULL_CONTROL_2:
1383        case WM8995_INTERRUPT_STATUS_1:
1384        case WM8995_INTERRUPT_STATUS_2:
1385        case WM8995_INTERRUPT_RAW_STATUS_2:
1386        case WM8995_INTERRUPT_STATUS_1_MASK:
1387        case WM8995_INTERRUPT_STATUS_2_MASK:
1388        case WM8995_INTERRUPT_CONTROL:
1389        case WM8995_LEFT_PDM_SPEAKER_1:
1390        case WM8995_RIGHT_PDM_SPEAKER_1:
1391        case WM8995_PDM_SPEAKER_1_MUTE_SEQUENCE:
1392        case WM8995_LEFT_PDM_SPEAKER_2:
1393        case WM8995_RIGHT_PDM_SPEAKER_2:
1394        case WM8995_PDM_SPEAKER_2_MUTE_SEQUENCE:
1395                return true;
1396        default:
1397                return false;
1398        }
1399}
1400
1401static bool wm8995_volatile(struct device *dev, unsigned int reg)
1402{
1403        switch (reg) {
1404        case WM8995_SOFTWARE_RESET:
1405        case WM8995_DC_SERVO_READBACK_0:
1406        case WM8995_INTERRUPT_STATUS_1:
1407        case WM8995_INTERRUPT_STATUS_2:
1408        case WM8995_INTERRUPT_CONTROL:
1409        case WM8995_ACCESSORY_DETECT_MODE1:
1410        case WM8995_ACCESSORY_DETECT_MODE2:
1411        case WM8995_HEADPHONE_DETECT1:
1412        case WM8995_HEADPHONE_DETECT2:
1413        case WM8995_RATE_STATUS:
1414                return true;
1415        default:
1416                return false;
1417        }
1418}
1419
1420static int wm8995_aif_mute(struct snd_soc_dai *dai, int mute, int direction)
1421{
1422        struct snd_soc_component *component = dai->component;
1423        int mute_reg;
1424
1425        switch (dai->id) {
1426        case 0:
1427                mute_reg = WM8995_AIF1_DAC1_FILTERS_1;
1428                break;
1429        case 1:
1430                mute_reg = WM8995_AIF2_DAC_FILTERS_1;
1431                break;
1432        default:
1433                return -EINVAL;
1434        }
1435
1436        snd_soc_component_update_bits(component, mute_reg, WM8995_AIF1DAC1_MUTE_MASK,
1437                            !!mute << WM8995_AIF1DAC1_MUTE_SHIFT);
1438        return 0;
1439}
1440
1441static int wm8995_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1442{
1443        struct snd_soc_component *component;
1444        int master;
1445        int aif;
1446
1447        component = dai->component;
1448
1449        master = 0;
1450        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1451        case SND_SOC_DAIFMT_CBS_CFS:
1452                break;
1453        case SND_SOC_DAIFMT_CBM_CFM:
1454                master = WM8995_AIF1_MSTR;
1455                break;
1456        default:
1457                dev_err(dai->dev, "Unknown master/slave configuration\n");
1458                return -EINVAL;
1459        }
1460
1461        aif = 0;
1462        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1463        case SND_SOC_DAIFMT_DSP_B:
1464                aif |= WM8995_AIF1_LRCLK_INV;
1465                fallthrough;
1466        case SND_SOC_DAIFMT_DSP_A:
1467                aif |= (0x3 << WM8995_AIF1_FMT_SHIFT);
1468                break;
1469        case SND_SOC_DAIFMT_I2S:
1470                aif |= (0x2 << WM8995_AIF1_FMT_SHIFT);
1471                break;
1472        case SND_SOC_DAIFMT_RIGHT_J:
1473                break;
1474        case SND_SOC_DAIFMT_LEFT_J:
1475                aif |= (0x1 << WM8995_AIF1_FMT_SHIFT);
1476                break;
1477        default:
1478                dev_err(dai->dev, "Unknown dai format\n");
1479                return -EINVAL;
1480        }
1481
1482        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1483        case SND_SOC_DAIFMT_DSP_A:
1484        case SND_SOC_DAIFMT_DSP_B:
1485                /* frame inversion not valid for DSP modes */
1486                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1487                case SND_SOC_DAIFMT_NB_NF:
1488                        break;
1489                case SND_SOC_DAIFMT_IB_NF:
1490                        aif |= WM8995_AIF1_BCLK_INV;
1491                        break;
1492                default:
1493                        return -EINVAL;
1494                }
1495                break;
1496
1497        case SND_SOC_DAIFMT_I2S:
1498        case SND_SOC_DAIFMT_RIGHT_J:
1499        case SND_SOC_DAIFMT_LEFT_J:
1500                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1501                case SND_SOC_DAIFMT_NB_NF:
1502                        break;
1503                case SND_SOC_DAIFMT_IB_IF:
1504                        aif |= WM8995_AIF1_BCLK_INV | WM8995_AIF1_LRCLK_INV;
1505                        break;
1506                case SND_SOC_DAIFMT_IB_NF:
1507                        aif |= WM8995_AIF1_BCLK_INV;
1508                        break;
1509                case SND_SOC_DAIFMT_NB_IF:
1510                        aif |= WM8995_AIF1_LRCLK_INV;
1511                        break;
1512                default:
1513                        return -EINVAL;
1514                }
1515                break;
1516        default:
1517                return -EINVAL;
1518        }
1519
1520        snd_soc_component_update_bits(component, WM8995_AIF1_CONTROL_1,
1521                            WM8995_AIF1_BCLK_INV_MASK |
1522                            WM8995_AIF1_LRCLK_INV_MASK |
1523                            WM8995_AIF1_FMT_MASK, aif);
1524        snd_soc_component_update_bits(component, WM8995_AIF1_MASTER_SLAVE,
1525                            WM8995_AIF1_MSTR_MASK, master);
1526        return 0;
1527}
1528
1529static const int srs[] = {
1530        8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100,
1531        48000, 88200, 96000
1532};
1533
1534static const int fs_ratios[] = {
1535        -1 /* reserved */,
1536        128, 192, 256, 384, 512, 768, 1024, 1408, 1536
1537};
1538
1539static const int bclk_divs[] = {
1540        10, 15, 20, 30, 40, 55, 60, 80, 110, 120, 160, 220, 240, 320, 440, 480
1541};
1542
1543static int wm8995_hw_params(struct snd_pcm_substream *substream,
1544                            struct snd_pcm_hw_params *params,
1545                            struct snd_soc_dai *dai)
1546{
1547        struct snd_soc_component *component;
1548        struct wm8995_priv *wm8995;
1549        int aif1_reg;
1550        int bclk_reg;
1551        int lrclk_reg;
1552        int rate_reg;
1553        int bclk_rate;
1554        int aif1;
1555        int lrclk, bclk;
1556        int i, rate_val, best, best_val, cur_val;
1557
1558        component = dai->component;
1559        wm8995 = snd_soc_component_get_drvdata(component);
1560
1561        switch (dai->id) {
1562        case 0:
1563                aif1_reg = WM8995_AIF1_CONTROL_1;
1564                bclk_reg = WM8995_AIF1_BCLK;
1565                rate_reg = WM8995_AIF1_RATE;
1566                if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* ||
1567                        wm8995->lrclk_shared[0] */) {
1568                        lrclk_reg = WM8995_AIF1DAC_LRCLK;
1569                } else {
1570                        lrclk_reg = WM8995_AIF1ADC_LRCLK;
1571                        dev_dbg(component->dev, "AIF1 using split LRCLK\n");
1572                }
1573                break;
1574        case 1:
1575                aif1_reg = WM8995_AIF2_CONTROL_1;
1576                bclk_reg = WM8995_AIF2_BCLK;
1577                rate_reg = WM8995_AIF2_RATE;
1578                if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* ||
1579                    wm8995->lrclk_shared[1] */) {
1580                        lrclk_reg = WM8995_AIF2DAC_LRCLK;
1581                } else {
1582                        lrclk_reg = WM8995_AIF2ADC_LRCLK;
1583                        dev_dbg(component->dev, "AIF2 using split LRCLK\n");
1584                }
1585                break;
1586        default:
1587                return -EINVAL;
1588        }
1589
1590        bclk_rate = snd_soc_params_to_bclk(params);
1591        if (bclk_rate < 0)
1592                return bclk_rate;
1593
1594        aif1 = 0;
1595        switch (params_width(params)) {
1596        case 16:
1597                break;
1598        case 20:
1599                aif1 |= (0x1 << WM8995_AIF1_WL_SHIFT);
1600                break;
1601        case 24:
1602                aif1 |= (0x2 << WM8995_AIF1_WL_SHIFT);
1603                break;
1604        case 32:
1605                aif1 |= (0x3 << WM8995_AIF1_WL_SHIFT);
1606                break;
1607        default:
1608                dev_err(dai->dev, "Unsupported word length %u\n",
1609                        params_width(params));
1610                return -EINVAL;
1611        }
1612
1613        /* try to find a suitable sample rate */
1614        for (i = 0; i < ARRAY_SIZE(srs); ++i)
1615                if (srs[i] == params_rate(params))
1616                        break;
1617        if (i == ARRAY_SIZE(srs)) {
1618                dev_err(dai->dev, "Sample rate %d is not supported\n",
1619                        params_rate(params));
1620                return -EINVAL;
1621        }
1622        rate_val = i << WM8995_AIF1_SR_SHIFT;
1623
1624        dev_dbg(dai->dev, "Sample rate is %dHz\n", srs[i]);
1625        dev_dbg(dai->dev, "AIF%dCLK is %dHz, target BCLK %dHz\n",
1626                dai->id + 1, wm8995->aifclk[dai->id], bclk_rate);
1627
1628        /* AIFCLK/fs ratio; look for a close match in either direction */
1629        best = 1;
1630        best_val = abs((fs_ratios[1] * params_rate(params))
1631                       - wm8995->aifclk[dai->id]);
1632        for (i = 2; i < ARRAY_SIZE(fs_ratios); i++) {
1633                cur_val = abs((fs_ratios[i] * params_rate(params))
1634                              - wm8995->aifclk[dai->id]);
1635                if (cur_val >= best_val)
1636                        continue;
1637                best = i;
1638                best_val = cur_val;
1639        }
1640        rate_val |= best;
1641
1642        dev_dbg(dai->dev, "Selected AIF%dCLK/fs = %d\n",
1643                dai->id + 1, fs_ratios[best]);
1644
1645        /*
1646         * We may not get quite the right frequency if using
1647         * approximate clocks so look for the closest match that is
1648         * higher than the target (we need to ensure that there enough
1649         * BCLKs to clock out the samples).
1650         */
1651        best = 0;
1652        bclk = 0;
1653        for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1654                cur_val = (wm8995->aifclk[dai->id] * 10 / bclk_divs[i]) - bclk_rate;
1655                if (cur_val < 0) /* BCLK table is sorted */
1656                        break;
1657                best = i;
1658        }
1659        bclk |= best << WM8995_AIF1_BCLK_DIV_SHIFT;
1660
1661        bclk_rate = wm8995->aifclk[dai->id] * 10 / bclk_divs[best];
1662        dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1663                bclk_divs[best], bclk_rate);
1664
1665        lrclk = bclk_rate / params_rate(params);
1666        dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1667                lrclk, bclk_rate / lrclk);
1668
1669        snd_soc_component_update_bits(component, aif1_reg,
1670                            WM8995_AIF1_WL_MASK, aif1);
1671        snd_soc_component_update_bits(component, bclk_reg,
1672                            WM8995_AIF1_BCLK_DIV_MASK, bclk);
1673        snd_soc_component_update_bits(component, lrclk_reg,
1674                            WM8995_AIF1DAC_RATE_MASK, lrclk);
1675        snd_soc_component_update_bits(component, rate_reg,
1676                            WM8995_AIF1_SR_MASK |
1677                            WM8995_AIF1CLK_RATE_MASK, rate_val);
1678        return 0;
1679}
1680
1681static int wm8995_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
1682{
1683        struct snd_soc_component *component = codec_dai->component;
1684        int reg, val, mask;
1685
1686        switch (codec_dai->id) {
1687        case 0:
1688                reg = WM8995_AIF1_MASTER_SLAVE;
1689                mask = WM8995_AIF1_TRI;
1690                break;
1691        case 1:
1692                reg = WM8995_AIF2_MASTER_SLAVE;
1693                mask = WM8995_AIF2_TRI;
1694                break;
1695        case 2:
1696                reg = WM8995_POWER_MANAGEMENT_5;
1697                mask = WM8995_AIF3_TRI;
1698                break;
1699        default:
1700                return -EINVAL;
1701        }
1702
1703        if (tristate)
1704                val = mask;
1705        else
1706                val = 0;
1707
1708        return snd_soc_component_update_bits(component, reg, mask, val);
1709}
1710
1711/* The size in bits of the FLL divide multiplied by 10
1712 * to allow rounding later */
1713#define FIXED_FLL_SIZE ((1 << 16) * 10)
1714
1715struct fll_div {
1716        u16 outdiv;
1717        u16 n;
1718        u16 k;
1719        u16 clk_ref_div;
1720        u16 fll_fratio;
1721};
1722
1723static int wm8995_get_fll_config(struct fll_div *fll,
1724                                 int freq_in, int freq_out)
1725{
1726        u64 Kpart;
1727        unsigned int K, Ndiv, Nmod;
1728
1729        pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out);
1730
1731        /* Scale the input frequency down to <= 13.5MHz */
1732        fll->clk_ref_div = 0;
1733        while (freq_in > 13500000) {
1734                fll->clk_ref_div++;
1735                freq_in /= 2;
1736
1737                if (fll->clk_ref_div > 3)
1738                        return -EINVAL;
1739        }
1740        pr_debug("CLK_REF_DIV=%d, Fref=%dHz\n", fll->clk_ref_div, freq_in);
1741
1742        /* Scale the output to give 90MHz<=Fvco<=100MHz */
1743        fll->outdiv = 3;
1744        while (freq_out * (fll->outdiv + 1) < 90000000) {
1745                fll->outdiv++;
1746                if (fll->outdiv > 63)
1747                        return -EINVAL;
1748        }
1749        freq_out *= fll->outdiv + 1;
1750        pr_debug("OUTDIV=%d, Fvco=%dHz\n", fll->outdiv, freq_out);
1751
1752        if (freq_in > 1000000) {
1753                fll->fll_fratio = 0;
1754        } else if (freq_in > 256000) {
1755                fll->fll_fratio = 1;
1756                freq_in *= 2;
1757        } else if (freq_in > 128000) {
1758                fll->fll_fratio = 2;
1759                freq_in *= 4;
1760        } else if (freq_in > 64000) {
1761                fll->fll_fratio = 3;
1762                freq_in *= 8;
1763        } else {
1764                fll->fll_fratio = 4;
1765                freq_in *= 16;
1766        }
1767        pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);
1768
1769        /* Now, calculate N.K */
1770        Ndiv = freq_out / freq_in;
1771
1772        fll->n = Ndiv;
1773        Nmod = freq_out % freq_in;
1774        pr_debug("Nmod=%d\n", Nmod);
1775
1776        /* Calculate fractional part - scale up so we can round. */
1777        Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1778
1779        do_div(Kpart, freq_in);
1780
1781        K = Kpart & 0xFFFFFFFF;
1782
1783        if ((K % 10) >= 5)
1784                K += 5;
1785
1786        /* Move down to proper range now rounding is done */
1787        fll->k = K / 10;
1788
1789        pr_debug("N=%x K=%x\n", fll->n, fll->k);
1790
1791        return 0;
1792}
1793
1794static int wm8995_set_fll(struct snd_soc_dai *dai, int id,
1795                          int src, unsigned int freq_in,
1796                          unsigned int freq_out)
1797{
1798        struct snd_soc_component *component;
1799        struct wm8995_priv *wm8995;
1800        int reg_offset, ret;
1801        struct fll_div fll;
1802        u16 reg, aif1, aif2;
1803
1804        component = dai->component;
1805        wm8995 = snd_soc_component_get_drvdata(component);
1806
1807        aif1 = snd_soc_component_read(component, WM8995_AIF1_CLOCKING_1)
1808               & WM8995_AIF1CLK_ENA;
1809
1810        aif2 = snd_soc_component_read(component, WM8995_AIF2_CLOCKING_1)
1811               & WM8995_AIF2CLK_ENA;
1812
1813        switch (id) {
1814        case WM8995_FLL1:
1815                reg_offset = 0;
1816                id = 0;
1817                break;
1818        case WM8995_FLL2:
1819                reg_offset = 0x20;
1820                id = 1;
1821                break;
1822        default:
1823                return -EINVAL;
1824        }
1825
1826        switch (src) {
1827        case 0:
1828                /* Allow no source specification when stopping */
1829                if (freq_out)
1830                        return -EINVAL;
1831                break;
1832        case WM8995_FLL_SRC_MCLK1:
1833        case WM8995_FLL_SRC_MCLK2:
1834        case WM8995_FLL_SRC_LRCLK:
1835        case WM8995_FLL_SRC_BCLK:
1836                break;
1837        default:
1838                return -EINVAL;
1839        }
1840
1841        /* Are we changing anything? */
1842        if (wm8995->fll[id].src == src &&
1843            wm8995->fll[id].in == freq_in && wm8995->fll[id].out == freq_out)
1844                return 0;
1845
1846        /* If we're stopping the FLL redo the old config - no
1847         * registers will actually be written but we avoid GCC flow
1848         * analysis bugs spewing warnings.
1849         */
1850        if (freq_out)
1851                ret = wm8995_get_fll_config(&fll, freq_in, freq_out);
1852        else
1853                ret = wm8995_get_fll_config(&fll, wm8995->fll[id].in,
1854                                            wm8995->fll[id].out);
1855        if (ret < 0)
1856                return ret;
1857
1858        /* Gate the AIF clocks while we reclock */
1859        snd_soc_component_update_bits(component, WM8995_AIF1_CLOCKING_1,
1860                            WM8995_AIF1CLK_ENA_MASK, 0);
1861        snd_soc_component_update_bits(component, WM8995_AIF2_CLOCKING_1,
1862                            WM8995_AIF2CLK_ENA_MASK, 0);
1863
1864        /* We always need to disable the FLL while reconfiguring */
1865        snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_1 + reg_offset,
1866                            WM8995_FLL1_ENA_MASK, 0);
1867
1868        reg = (fll.outdiv << WM8995_FLL1_OUTDIV_SHIFT) |
1869              (fll.fll_fratio << WM8995_FLL1_FRATIO_SHIFT);
1870        snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_2 + reg_offset,
1871                            WM8995_FLL1_OUTDIV_MASK |
1872                            WM8995_FLL1_FRATIO_MASK, reg);
1873
1874        snd_soc_component_write(component, WM8995_FLL1_CONTROL_3 + reg_offset, fll.k);
1875
1876        snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_4 + reg_offset,
1877                            WM8995_FLL1_N_MASK,
1878                            fll.n << WM8995_FLL1_N_SHIFT);
1879
1880        snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_5 + reg_offset,
1881                            WM8995_FLL1_REFCLK_DIV_MASK |
1882                            WM8995_FLL1_REFCLK_SRC_MASK,
1883                            (fll.clk_ref_div << WM8995_FLL1_REFCLK_DIV_SHIFT) |
1884                            (src - 1));
1885
1886        if (freq_out)
1887                snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_1 + reg_offset,
1888                                    WM8995_FLL1_ENA_MASK, WM8995_FLL1_ENA);
1889
1890        wm8995->fll[id].in = freq_in;
1891        wm8995->fll[id].out = freq_out;
1892        wm8995->fll[id].src = src;
1893
1894        /* Enable any gated AIF clocks */
1895        snd_soc_component_update_bits(component, WM8995_AIF1_CLOCKING_1,
1896                            WM8995_AIF1CLK_ENA_MASK, aif1);
1897        snd_soc_component_update_bits(component, WM8995_AIF2_CLOCKING_1,
1898                            WM8995_AIF2CLK_ENA_MASK, aif2);
1899
1900        configure_clock(component);
1901
1902        return 0;
1903}
1904
1905static int wm8995_set_dai_sysclk(struct snd_soc_dai *dai,
1906                                 int clk_id, unsigned int freq, int dir)
1907{
1908        struct snd_soc_component *component;
1909        struct wm8995_priv *wm8995;
1910
1911        component = dai->component;
1912        wm8995 = snd_soc_component_get_drvdata(component);
1913
1914        switch (dai->id) {
1915        case 0:
1916        case 1:
1917                break;
1918        default:
1919                /* AIF3 shares clocking with AIF1/2 */
1920                return -EINVAL;
1921        }
1922
1923        switch (clk_id) {
1924        case WM8995_SYSCLK_MCLK1:
1925                wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK1;
1926                wm8995->mclk[0] = freq;
1927                dev_dbg(dai->dev, "AIF%d using MCLK1 at %uHz\n",
1928                        dai->id + 1, freq);
1929                break;
1930        case WM8995_SYSCLK_MCLK2:
1931                wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK2;
1932                wm8995->mclk[1] = freq;
1933                dev_dbg(dai->dev, "AIF%d using MCLK2 at %uHz\n",
1934                        dai->id + 1, freq);
1935                break;
1936        case WM8995_SYSCLK_FLL1:
1937                wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL1;
1938                dev_dbg(dai->dev, "AIF%d using FLL1\n", dai->id + 1);
1939                break;
1940        case WM8995_SYSCLK_FLL2:
1941                wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL2;
1942                dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id + 1);
1943                break;
1944        case WM8995_SYSCLK_OPCLK:
1945        default:
1946                dev_err(dai->dev, "Unknown clock source %d\n", clk_id);
1947                return -EINVAL;
1948        }
1949
1950        configure_clock(component);
1951
1952        return 0;
1953}
1954
1955static int wm8995_set_bias_level(struct snd_soc_component *component,
1956                                 enum snd_soc_bias_level level)
1957{
1958        struct wm8995_priv *wm8995;
1959        int ret;
1960
1961        wm8995 = snd_soc_component_get_drvdata(component);
1962        switch (level) {
1963        case SND_SOC_BIAS_ON:
1964        case SND_SOC_BIAS_PREPARE:
1965                break;
1966        case SND_SOC_BIAS_STANDBY:
1967                if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1968                        ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
1969                                                    wm8995->supplies);
1970                        if (ret)
1971                                return ret;
1972
1973                        ret = regcache_sync(wm8995->regmap);
1974                        if (ret) {
1975                                dev_err(component->dev,
1976                                        "Failed to sync cache: %d\n", ret);
1977                                return ret;
1978                        }
1979
1980                        snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1,
1981                                            WM8995_BG_ENA_MASK, WM8995_BG_ENA);
1982                }
1983                break;
1984        case SND_SOC_BIAS_OFF:
1985                snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1,
1986                                    WM8995_BG_ENA_MASK, 0);
1987                regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies),
1988                                       wm8995->supplies);
1989                break;
1990        }
1991
1992        return 0;
1993}
1994
1995static int wm8995_probe(struct snd_soc_component *component)
1996{
1997        struct wm8995_priv *wm8995;
1998        int i;
1999        int ret;
2000
2001        wm8995 = snd_soc_component_get_drvdata(component);
2002        wm8995->component = component;
2003
2004        for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++)
2005                wm8995->supplies[i].supply = wm8995_supply_names[i];
2006
2007        ret = devm_regulator_bulk_get(component->dev,
2008                                      ARRAY_SIZE(wm8995->supplies),
2009                                      wm8995->supplies);
2010        if (ret) {
2011                dev_err(component->dev, "Failed to request supplies: %d\n", ret);
2012                return ret;
2013        }
2014
2015        wm8995->disable_nb[0].notifier_call = wm8995_regulator_event_0;
2016        wm8995->disable_nb[1].notifier_call = wm8995_regulator_event_1;
2017        wm8995->disable_nb[2].notifier_call = wm8995_regulator_event_2;
2018        wm8995->disable_nb[3].notifier_call = wm8995_regulator_event_3;
2019        wm8995->disable_nb[4].notifier_call = wm8995_regulator_event_4;
2020        wm8995->disable_nb[5].notifier_call = wm8995_regulator_event_5;
2021        wm8995->disable_nb[6].notifier_call = wm8995_regulator_event_6;
2022        wm8995->disable_nb[7].notifier_call = wm8995_regulator_event_7;
2023
2024        /* This should really be moved into the regulator core */
2025        for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++) {
2026                ret = devm_regulator_register_notifier(
2027                                                wm8995->supplies[i].consumer,
2028                                                &wm8995->disable_nb[i]);
2029                if (ret) {
2030                        dev_err(component->dev,
2031                                "Failed to register regulator notifier: %d\n",
2032                                ret);
2033                }
2034        }
2035
2036        ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
2037                                    wm8995->supplies);
2038        if (ret) {
2039                dev_err(component->dev, "Failed to enable supplies: %d\n", ret);
2040                return ret;
2041        }
2042
2043        ret = snd_soc_component_read(component, WM8995_SOFTWARE_RESET);
2044        if (ret < 0) {
2045                dev_err(component->dev, "Failed to read device ID: %d\n", ret);
2046                goto err_reg_enable;
2047        }
2048
2049        if (ret != 0x8995) {
2050                dev_err(component->dev, "Invalid device ID: %#x\n", ret);
2051                ret = -EINVAL;
2052                goto err_reg_enable;
2053        }
2054
2055        ret = snd_soc_component_write(component, WM8995_SOFTWARE_RESET, 0);
2056        if (ret < 0) {
2057                dev_err(component->dev, "Failed to issue reset: %d\n", ret);
2058                goto err_reg_enable;
2059        }
2060
2061        /* Latch volume updates (right only; we always do left then right). */
2062        snd_soc_component_update_bits(component, WM8995_AIF1_DAC1_RIGHT_VOLUME,
2063                            WM8995_AIF1DAC1_VU_MASK, WM8995_AIF1DAC1_VU);
2064        snd_soc_component_update_bits(component, WM8995_AIF1_DAC2_RIGHT_VOLUME,
2065                            WM8995_AIF1DAC2_VU_MASK, WM8995_AIF1DAC2_VU);
2066        snd_soc_component_update_bits(component, WM8995_AIF2_DAC_RIGHT_VOLUME,
2067                            WM8995_AIF2DAC_VU_MASK, WM8995_AIF2DAC_VU);
2068        snd_soc_component_update_bits(component, WM8995_AIF1_ADC1_RIGHT_VOLUME,
2069                            WM8995_AIF1ADC1_VU_MASK, WM8995_AIF1ADC1_VU);
2070        snd_soc_component_update_bits(component, WM8995_AIF1_ADC2_RIGHT_VOLUME,
2071                            WM8995_AIF1ADC2_VU_MASK, WM8995_AIF1ADC2_VU);
2072        snd_soc_component_update_bits(component, WM8995_AIF2_ADC_RIGHT_VOLUME,
2073                            WM8995_AIF2ADC_VU_MASK, WM8995_AIF1ADC2_VU);
2074        snd_soc_component_update_bits(component, WM8995_DAC1_RIGHT_VOLUME,
2075                            WM8995_DAC1_VU_MASK, WM8995_DAC1_VU);
2076        snd_soc_component_update_bits(component, WM8995_DAC2_RIGHT_VOLUME,
2077                            WM8995_DAC2_VU_MASK, WM8995_DAC2_VU);
2078        snd_soc_component_update_bits(component, WM8995_RIGHT_LINE_INPUT_1_VOLUME,
2079                            WM8995_IN1_VU_MASK, WM8995_IN1_VU);
2080
2081        wm8995_update_class_w(component);
2082
2083        return 0;
2084
2085err_reg_enable:
2086        regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
2087        return ret;
2088}
2089
2090#define WM8995_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
2091                        SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
2092
2093static const struct snd_soc_dai_ops wm8995_aif1_dai_ops = {
2094        .set_sysclk = wm8995_set_dai_sysclk,
2095        .set_fmt = wm8995_set_dai_fmt,
2096        .hw_params = wm8995_hw_params,
2097        .mute_stream = wm8995_aif_mute,
2098        .set_pll = wm8995_set_fll,
2099        .set_tristate = wm8995_set_tristate,
2100        .no_capture_mute = 1,
2101};
2102
2103static const struct snd_soc_dai_ops wm8995_aif2_dai_ops = {
2104        .set_sysclk = wm8995_set_dai_sysclk,
2105        .set_fmt = wm8995_set_dai_fmt,
2106        .hw_params = wm8995_hw_params,
2107        .mute_stream = wm8995_aif_mute,
2108        .set_pll = wm8995_set_fll,
2109        .set_tristate = wm8995_set_tristate,
2110        .no_capture_mute = 1,
2111};
2112
2113static const struct snd_soc_dai_ops wm8995_aif3_dai_ops = {
2114        .set_tristate = wm8995_set_tristate,
2115};
2116
2117static struct snd_soc_dai_driver wm8995_dai[] = {
2118        {
2119                .name = "wm8995-aif1",
2120                .playback = {
2121                        .stream_name = "AIF1 Playback",
2122                        .channels_min = 2,
2123                        .channels_max = 2,
2124                        .rates = SNDRV_PCM_RATE_8000_96000,
2125                        .formats = WM8995_FORMATS
2126                },
2127                .capture = {
2128                        .stream_name = "AIF1 Capture",
2129                        .channels_min = 2,
2130                        .channels_max = 2,
2131                        .rates = SNDRV_PCM_RATE_8000_48000,
2132                        .formats = WM8995_FORMATS
2133                },
2134                .ops = &wm8995_aif1_dai_ops
2135        },
2136        {
2137                .name = "wm8995-aif2",
2138                .playback = {
2139                        .stream_name = "AIF2 Playback",
2140                        .channels_min = 2,
2141                        .channels_max = 2,
2142                        .rates = SNDRV_PCM_RATE_8000_96000,
2143                        .formats = WM8995_FORMATS
2144                },
2145                .capture = {
2146                        .stream_name = "AIF2 Capture",
2147                        .channels_min = 2,
2148                        .channels_max = 2,
2149                        .rates = SNDRV_PCM_RATE_8000_48000,
2150                        .formats = WM8995_FORMATS
2151                },
2152                .ops = &wm8995_aif2_dai_ops
2153        },
2154        {
2155                .name = "wm8995-aif3",
2156                .playback = {
2157                        .stream_name = "AIF3 Playback",
2158                        .channels_min = 2,
2159                        .channels_max = 2,
2160                        .rates = SNDRV_PCM_RATE_8000_96000,
2161                        .formats = WM8995_FORMATS
2162                },
2163                .capture = {
2164                        .stream_name = "AIF3 Capture",
2165                        .channels_min = 2,
2166                        .channels_max = 2,
2167                        .rates = SNDRV_PCM_RATE_8000_48000,
2168                        .formats = WM8995_FORMATS
2169                },
2170                .ops = &wm8995_aif3_dai_ops
2171        }
2172};
2173
2174static const struct snd_soc_component_driver soc_component_dev_wm8995 = {
2175        .probe                  = wm8995_probe,
2176        .set_bias_level         = wm8995_set_bias_level,
2177        .controls               = wm8995_snd_controls,
2178        .num_controls           = ARRAY_SIZE(wm8995_snd_controls),
2179        .dapm_widgets           = wm8995_dapm_widgets,
2180        .num_dapm_widgets       = ARRAY_SIZE(wm8995_dapm_widgets),
2181        .dapm_routes            = wm8995_intercon,
2182        .num_dapm_routes        = ARRAY_SIZE(wm8995_intercon),
2183        .use_pmdown_time        = 1,
2184        .endianness             = 1,
2185        .non_legacy_dai_naming  = 1,
2186};
2187
2188static const struct regmap_config wm8995_regmap = {
2189        .reg_bits = 16,
2190        .val_bits = 16,
2191
2192        .max_register = WM8995_MAX_REGISTER,
2193        .reg_defaults = wm8995_reg_defaults,
2194        .num_reg_defaults = ARRAY_SIZE(wm8995_reg_defaults),
2195        .volatile_reg = wm8995_volatile,
2196        .readable_reg = wm8995_readable,
2197        .cache_type = REGCACHE_RBTREE,
2198};
2199
2200#if defined(CONFIG_SPI_MASTER)
2201static int wm8995_spi_probe(struct spi_device *spi)
2202{
2203        struct wm8995_priv *wm8995;
2204        int ret;
2205
2206        wm8995 = devm_kzalloc(&spi->dev, sizeof(*wm8995), GFP_KERNEL);
2207        if (!wm8995)
2208                return -ENOMEM;
2209
2210        spi_set_drvdata(spi, wm8995);
2211
2212        wm8995->regmap = devm_regmap_init_spi(spi, &wm8995_regmap);
2213        if (IS_ERR(wm8995->regmap)) {
2214                ret = PTR_ERR(wm8995->regmap);
2215                dev_err(&spi->dev, "Failed to register regmap: %d\n", ret);
2216                return ret;
2217        }
2218
2219        ret = devm_snd_soc_register_component(&spi->dev,
2220                                     &soc_component_dev_wm8995, wm8995_dai,
2221                                     ARRAY_SIZE(wm8995_dai));
2222        return ret;
2223}
2224
2225static struct spi_driver wm8995_spi_driver = {
2226        .driver = {
2227                .name = "wm8995",
2228        },
2229        .probe = wm8995_spi_probe,
2230};
2231#endif
2232
2233#if IS_ENABLED(CONFIG_I2C)
2234static int wm8995_i2c_probe(struct i2c_client *i2c,
2235                            const struct i2c_device_id *id)
2236{
2237        struct wm8995_priv *wm8995;
2238        int ret;
2239
2240        wm8995 = devm_kzalloc(&i2c->dev, sizeof(*wm8995), GFP_KERNEL);
2241        if (!wm8995)
2242                return -ENOMEM;
2243
2244        i2c_set_clientdata(i2c, wm8995);
2245
2246        wm8995->regmap = devm_regmap_init_i2c(i2c, &wm8995_regmap);
2247        if (IS_ERR(wm8995->regmap)) {
2248                ret = PTR_ERR(wm8995->regmap);
2249                dev_err(&i2c->dev, "Failed to register regmap: %d\n", ret);
2250                return ret;
2251        }
2252
2253        ret = devm_snd_soc_register_component(&i2c->dev,
2254                                     &soc_component_dev_wm8995, wm8995_dai,
2255                                     ARRAY_SIZE(wm8995_dai));
2256        if (ret < 0)
2257                dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
2258
2259        return ret;
2260}
2261
2262static const struct i2c_device_id wm8995_i2c_id[] = {
2263        {"wm8995", 0},
2264        {}
2265};
2266
2267MODULE_DEVICE_TABLE(i2c, wm8995_i2c_id);
2268
2269static struct i2c_driver wm8995_i2c_driver = {
2270        .driver = {
2271                .name = "wm8995",
2272        },
2273        .probe = wm8995_i2c_probe,
2274        .id_table = wm8995_i2c_id
2275};
2276#endif
2277
2278static int __init wm8995_modinit(void)
2279{
2280        int ret = 0;
2281
2282#if IS_ENABLED(CONFIG_I2C)
2283        ret = i2c_add_driver(&wm8995_i2c_driver);
2284        if (ret) {
2285                printk(KERN_ERR "Failed to register wm8995 I2C driver: %d\n",
2286                       ret);
2287        }
2288#endif
2289#if defined(CONFIG_SPI_MASTER)
2290        ret = spi_register_driver(&wm8995_spi_driver);
2291        if (ret) {
2292                printk(KERN_ERR "Failed to register wm8995 SPI driver: %d\n",
2293                       ret);
2294        }
2295#endif
2296        return ret;
2297}
2298
2299module_init(wm8995_modinit);
2300
2301static void __exit wm8995_exit(void)
2302{
2303#if IS_ENABLED(CONFIG_I2C)
2304        i2c_del_driver(&wm8995_i2c_driver);
2305#endif
2306#if defined(CONFIG_SPI_MASTER)
2307        spi_unregister_driver(&wm8995_spi_driver);
2308#endif
2309}
2310
2311module_exit(wm8995_exit);
2312
2313MODULE_DESCRIPTION("ASoC WM8995 driver");
2314MODULE_AUTHOR("Dimitris Papastamos <dp@opensource.wolfsonmicro.com>");
2315MODULE_LICENSE("GPL");
2316