linux/sound/soc/codecs/wm8510.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * wm8510.c  --  WM8510 ALSA Soc Audio driver
   4 *
   5 * Copyright 2006 Wolfson Microelectronics PLC.
   6 *
   7 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
   8 */
   9
  10#include <linux/module.h>
  11#include <linux/moduleparam.h>
  12#include <linux/kernel.h>
  13#include <linux/init.h>
  14#include <linux/delay.h>
  15#include <linux/pm.h>
  16#include <linux/i2c.h>
  17#include <linux/spi/spi.h>
  18#include <linux/slab.h>
  19#include <linux/of_device.h>
  20#include <linux/regmap.h>
  21#include <sound/core.h>
  22#include <sound/pcm.h>
  23#include <sound/pcm_params.h>
  24#include <sound/soc.h>
  25#include <sound/initval.h>
  26
  27#include "wm8510.h"
  28
  29/*
  30 * wm8510 register cache
  31 * We can't read the WM8510 register space when we are
  32 * using 2 wire for device control, so we cache them instead.
  33 */
  34static const struct reg_default wm8510_reg_defaults[] = {
  35        {  1, 0x0000 },
  36        {  2, 0x0000 },
  37        {  3, 0x0000 },
  38        {  4, 0x0050 },
  39        {  5, 0x0000 },
  40        {  6, 0x0140 },
  41        {  7, 0x0000 },
  42        {  8, 0x0000 },
  43        {  9, 0x0000 },
  44        { 10, 0x0000 },
  45        { 11, 0x00ff },
  46        { 12, 0x0000 },
  47        { 13, 0x0000 },
  48        { 14, 0x0100 },
  49        { 15, 0x00ff },
  50        { 16, 0x0000 },
  51        { 17, 0x0000 },
  52        { 18, 0x012c },
  53        { 19, 0x002c },
  54        { 20, 0x002c },
  55        { 21, 0x002c },
  56        { 22, 0x002c },
  57        { 23, 0x0000 },
  58        { 24, 0x0032 },
  59        { 25, 0x0000 },
  60        { 26, 0x0000 },
  61        { 27, 0x0000 },
  62        { 28, 0x0000 },
  63        { 29, 0x0000 },
  64        { 30, 0x0000 },
  65        { 31, 0x0000 },
  66        { 32, 0x0038 },
  67        { 33, 0x000b },
  68        { 34, 0x0032 },
  69        { 35, 0x0000 },
  70        { 36, 0x0008 },
  71        { 37, 0x000c },
  72        { 38, 0x0093 },
  73        { 39, 0x00e9 },
  74        { 40, 0x0000 },
  75        { 41, 0x0000 },
  76        { 42, 0x0000 },
  77        { 43, 0x0000 },
  78        { 44, 0x0003 },
  79        { 45, 0x0010 },
  80        { 46, 0x0000 },
  81        { 47, 0x0000 },
  82        { 48, 0x0000 },
  83        { 49, 0x0002 },
  84        { 50, 0x0001 },
  85        { 51, 0x0000 },
  86        { 52, 0x0000 },
  87        { 53, 0x0000 },
  88        { 54, 0x0039 },
  89        { 55, 0x0000 },
  90        { 56, 0x0001 },
  91};
  92
  93static bool wm8510_volatile(struct device *dev, unsigned int reg)
  94{
  95        switch (reg) {
  96        case WM8510_RESET:
  97                return true;
  98        default:
  99                return false;
 100        }
 101}
 102
 103#define WM8510_POWER1_BIASEN  0x08
 104#define WM8510_POWER1_BUFIOEN 0x10
 105
 106#define wm8510_reset(c) snd_soc_component_write(c, WM8510_RESET, 0)
 107
 108/* codec private data */
 109struct wm8510_priv {
 110        struct regmap *regmap;
 111};
 112
 113static const char *wm8510_companding[] = { "Off", "NC", "u-law", "A-law" };
 114static const char *wm8510_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
 115static const char *wm8510_alc[] = { "ALC", "Limiter" };
 116
 117static const struct soc_enum wm8510_enum[] = {
 118        SOC_ENUM_SINGLE(WM8510_COMP, 1, 4, wm8510_companding), /* adc */
 119        SOC_ENUM_SINGLE(WM8510_COMP, 3, 4, wm8510_companding), /* dac */
 120        SOC_ENUM_SINGLE(WM8510_DAC,  4, 4, wm8510_deemp),
 121        SOC_ENUM_SINGLE(WM8510_ALC3,  8, 2, wm8510_alc),
 122};
 123
 124static const struct snd_kcontrol_new wm8510_snd_controls[] = {
 125
 126SOC_SINGLE("Digital Loopback Switch", WM8510_COMP, 0, 1, 0),
 127
 128SOC_ENUM("DAC Companding", wm8510_enum[1]),
 129SOC_ENUM("ADC Companding", wm8510_enum[0]),
 130
 131SOC_ENUM("Playback De-emphasis", wm8510_enum[2]),
 132SOC_SINGLE("DAC Inversion Switch", WM8510_DAC, 0, 1, 0),
 133
 134SOC_SINGLE("Master Playback Volume", WM8510_DACVOL, 0, 127, 0),
 135
 136SOC_SINGLE("High Pass Filter Switch", WM8510_ADC, 8, 1, 0),
 137SOC_SINGLE("High Pass Cut Off", WM8510_ADC, 4, 7, 0),
 138SOC_SINGLE("ADC Inversion Switch", WM8510_COMP, 0, 1, 0),
 139
 140SOC_SINGLE("Capture Volume", WM8510_ADCVOL,  0, 127, 0),
 141
 142SOC_SINGLE("DAC Playback Limiter Switch", WM8510_DACLIM1,  8, 1, 0),
 143SOC_SINGLE("DAC Playback Limiter Decay", WM8510_DACLIM1,  4, 15, 0),
 144SOC_SINGLE("DAC Playback Limiter Attack", WM8510_DACLIM1,  0, 15, 0),
 145
 146SOC_SINGLE("DAC Playback Limiter Threshold", WM8510_DACLIM2,  4, 7, 0),
 147SOC_SINGLE("DAC Playback Limiter Boost", WM8510_DACLIM2,  0, 15, 0),
 148
 149SOC_SINGLE("ALC Enable Switch", WM8510_ALC1,  8, 1, 0),
 150SOC_SINGLE("ALC Capture Max Gain", WM8510_ALC1,  3, 7, 0),
 151SOC_SINGLE("ALC Capture Min Gain", WM8510_ALC1,  0, 7, 0),
 152
 153SOC_SINGLE("ALC Capture ZC Switch", WM8510_ALC2,  8, 1, 0),
 154SOC_SINGLE("ALC Capture Hold", WM8510_ALC2,  4, 7, 0),
 155SOC_SINGLE("ALC Capture Target", WM8510_ALC2,  0, 15, 0),
 156
 157SOC_ENUM("ALC Capture Mode", wm8510_enum[3]),
 158SOC_SINGLE("ALC Capture Decay", WM8510_ALC3,  4, 15, 0),
 159SOC_SINGLE("ALC Capture Attack", WM8510_ALC3,  0, 15, 0),
 160
 161SOC_SINGLE("ALC Capture Noise Gate Switch", WM8510_NGATE,  3, 1, 0),
 162SOC_SINGLE("ALC Capture Noise Gate Threshold", WM8510_NGATE,  0, 7, 0),
 163
 164SOC_SINGLE("Capture PGA ZC Switch", WM8510_INPPGA,  7, 1, 0),
 165SOC_SINGLE("Capture PGA Volume", WM8510_INPPGA,  0, 63, 0),
 166
 167SOC_SINGLE("Speaker Playback ZC Switch", WM8510_SPKVOL,  7, 1, 0),
 168SOC_SINGLE("Speaker Playback Switch", WM8510_SPKVOL,  6, 1, 1),
 169SOC_SINGLE("Speaker Playback Volume", WM8510_SPKVOL,  0, 63, 0),
 170SOC_SINGLE("Speaker Boost", WM8510_OUTPUT, 2, 1, 0),
 171
 172SOC_SINGLE("Capture Boost(+20dB)", WM8510_ADCBOOST,  8, 1, 0),
 173SOC_SINGLE("Mono Playback Switch", WM8510_MONOMIX, 6, 1, 1),
 174};
 175
 176/* Speaker Output Mixer */
 177static const struct snd_kcontrol_new wm8510_speaker_mixer_controls[] = {
 178SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_SPKMIX, 1, 1, 0),
 179SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_SPKMIX, 5, 1, 0),
 180SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_SPKMIX, 0, 1, 0),
 181};
 182
 183/* Mono Output Mixer */
 184static const struct snd_kcontrol_new wm8510_mono_mixer_controls[] = {
 185SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_MONOMIX, 1, 1, 0),
 186SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_MONOMIX, 2, 1, 0),
 187SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_MONOMIX, 0, 1, 0),
 188};
 189
 190static const struct snd_kcontrol_new wm8510_boost_controls[] = {
 191SOC_DAPM_SINGLE("Mic PGA Switch", WM8510_INPPGA,  6, 1, 1),
 192SOC_DAPM_SINGLE("Aux Volume", WM8510_ADCBOOST, 0, 7, 0),
 193SOC_DAPM_SINGLE("Mic Volume", WM8510_ADCBOOST, 4, 7, 0),
 194};
 195
 196static const struct snd_kcontrol_new wm8510_micpga_controls[] = {
 197SOC_DAPM_SINGLE("MICP Switch", WM8510_INPUT, 0, 1, 0),
 198SOC_DAPM_SINGLE("MICN Switch", WM8510_INPUT, 1, 1, 0),
 199SOC_DAPM_SINGLE("AUX Switch", WM8510_INPUT, 2, 1, 0),
 200};
 201
 202static const struct snd_soc_dapm_widget wm8510_dapm_widgets[] = {
 203SND_SOC_DAPM_MIXER("Speaker Mixer", WM8510_POWER3, 2, 0,
 204        &wm8510_speaker_mixer_controls[0],
 205        ARRAY_SIZE(wm8510_speaker_mixer_controls)),
 206SND_SOC_DAPM_MIXER("Mono Mixer", WM8510_POWER3, 3, 0,
 207        &wm8510_mono_mixer_controls[0],
 208        ARRAY_SIZE(wm8510_mono_mixer_controls)),
 209SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8510_POWER3, 0, 0),
 210SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8510_POWER2, 0, 0),
 211SND_SOC_DAPM_PGA("Aux Input", WM8510_POWER1, 6, 0, NULL, 0),
 212SND_SOC_DAPM_PGA("SpkN Out", WM8510_POWER3, 5, 0, NULL, 0),
 213SND_SOC_DAPM_PGA("SpkP Out", WM8510_POWER3, 6, 0, NULL, 0),
 214SND_SOC_DAPM_PGA("Mono Out", WM8510_POWER3, 7, 0, NULL, 0),
 215
 216SND_SOC_DAPM_MIXER("Mic PGA", WM8510_POWER2, 2, 0,
 217                   &wm8510_micpga_controls[0],
 218                   ARRAY_SIZE(wm8510_micpga_controls)),
 219SND_SOC_DAPM_MIXER("Boost Mixer", WM8510_POWER2, 4, 0,
 220        &wm8510_boost_controls[0],
 221        ARRAY_SIZE(wm8510_boost_controls)),
 222
 223SND_SOC_DAPM_MICBIAS("Mic Bias", WM8510_POWER1, 4, 0),
 224
 225SND_SOC_DAPM_INPUT("MICN"),
 226SND_SOC_DAPM_INPUT("MICP"),
 227SND_SOC_DAPM_INPUT("AUX"),
 228SND_SOC_DAPM_OUTPUT("MONOOUT"),
 229SND_SOC_DAPM_OUTPUT("SPKOUTP"),
 230SND_SOC_DAPM_OUTPUT("SPKOUTN"),
 231};
 232
 233static const struct snd_soc_dapm_route wm8510_dapm_routes[] = {
 234        /* Mono output mixer */
 235        {"Mono Mixer", "PCM Playback Switch", "DAC"},
 236        {"Mono Mixer", "Aux Playback Switch", "Aux Input"},
 237        {"Mono Mixer", "Line Bypass Switch", "Boost Mixer"},
 238
 239        /* Speaker output mixer */
 240        {"Speaker Mixer", "PCM Playback Switch", "DAC"},
 241        {"Speaker Mixer", "Aux Playback Switch", "Aux Input"},
 242        {"Speaker Mixer", "Line Bypass Switch", "Boost Mixer"},
 243
 244        /* Outputs */
 245        {"Mono Out", NULL, "Mono Mixer"},
 246        {"MONOOUT", NULL, "Mono Out"},
 247        {"SpkN Out", NULL, "Speaker Mixer"},
 248        {"SpkP Out", NULL, "Speaker Mixer"},
 249        {"SPKOUTN", NULL, "SpkN Out"},
 250        {"SPKOUTP", NULL, "SpkP Out"},
 251
 252        /* Microphone PGA */
 253        {"Mic PGA", "MICN Switch", "MICN"},
 254        {"Mic PGA", "MICP Switch", "MICP"},
 255        { "Mic PGA", "AUX Switch", "Aux Input" },
 256
 257        /* Boost Mixer */
 258        {"Boost Mixer", "Mic PGA Switch", "Mic PGA"},
 259        {"Boost Mixer", "Mic Volume", "MICP"},
 260        {"Boost Mixer", "Aux Volume", "Aux Input"},
 261
 262        {"ADC", NULL, "Boost Mixer"},
 263};
 264
 265struct pll_ {
 266        unsigned int pre_div:4; /* prescale - 1 */
 267        unsigned int n:4;
 268        unsigned int k;
 269};
 270
 271static struct pll_ pll_div;
 272
 273/* The size in bits of the pll divide multiplied by 10
 274 * to allow rounding later */
 275#define FIXED_PLL_SIZE ((1 << 24) * 10)
 276
 277static void pll_factors(unsigned int target, unsigned int source)
 278{
 279        unsigned long long Kpart;
 280        unsigned int K, Ndiv, Nmod;
 281
 282        Ndiv = target / source;
 283        if (Ndiv < 6) {
 284                source >>= 1;
 285                pll_div.pre_div = 1;
 286                Ndiv = target / source;
 287        } else
 288                pll_div.pre_div = 0;
 289
 290        if ((Ndiv < 6) || (Ndiv > 12))
 291                printk(KERN_WARNING
 292                        "WM8510 N value %u outwith recommended range!d\n",
 293                        Ndiv);
 294
 295        pll_div.n = Ndiv;
 296        Nmod = target % source;
 297        Kpart = FIXED_PLL_SIZE * (long long)Nmod;
 298
 299        do_div(Kpart, source);
 300
 301        K = Kpart & 0xFFFFFFFF;
 302
 303        /* Check if we need to round */
 304        if ((K % 10) >= 5)
 305                K += 5;
 306
 307        /* Move down to proper range now rounding is done */
 308        K /= 10;
 309
 310        pll_div.k = K;
 311}
 312
 313static int wm8510_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
 314                int source, unsigned int freq_in, unsigned int freq_out)
 315{
 316        struct snd_soc_component *component = codec_dai->component;
 317        u16 reg;
 318
 319        if (freq_in == 0 || freq_out == 0) {
 320                /* Clock CODEC directly from MCLK */
 321                reg = snd_soc_component_read32(component, WM8510_CLOCK);
 322                snd_soc_component_write(component, WM8510_CLOCK, reg & 0x0ff);
 323
 324                /* Turn off PLL */
 325                reg = snd_soc_component_read32(component, WM8510_POWER1);
 326                snd_soc_component_write(component, WM8510_POWER1, reg & 0x1df);
 327                return 0;
 328        }
 329
 330        pll_factors(freq_out*4, freq_in);
 331
 332        snd_soc_component_write(component, WM8510_PLLN, (pll_div.pre_div << 4) | pll_div.n);
 333        snd_soc_component_write(component, WM8510_PLLK1, pll_div.k >> 18);
 334        snd_soc_component_write(component, WM8510_PLLK2, (pll_div.k >> 9) & 0x1ff);
 335        snd_soc_component_write(component, WM8510_PLLK3, pll_div.k & 0x1ff);
 336        reg = snd_soc_component_read32(component, WM8510_POWER1);
 337        snd_soc_component_write(component, WM8510_POWER1, reg | 0x020);
 338
 339        /* Run CODEC from PLL instead of MCLK */
 340        reg = snd_soc_component_read32(component, WM8510_CLOCK);
 341        snd_soc_component_write(component, WM8510_CLOCK, reg | 0x100);
 342
 343        return 0;
 344}
 345
 346/*
 347 * Configure WM8510 clock dividers.
 348 */
 349static int wm8510_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
 350                int div_id, int div)
 351{
 352        struct snd_soc_component *component = codec_dai->component;
 353        u16 reg;
 354
 355        switch (div_id) {
 356        case WM8510_OPCLKDIV:
 357                reg = snd_soc_component_read32(component, WM8510_GPIO) & 0x1cf;
 358                snd_soc_component_write(component, WM8510_GPIO, reg | div);
 359                break;
 360        case WM8510_MCLKDIV:
 361                reg = snd_soc_component_read32(component, WM8510_CLOCK) & 0x11f;
 362                snd_soc_component_write(component, WM8510_CLOCK, reg | div);
 363                break;
 364        case WM8510_ADCCLK:
 365                reg = snd_soc_component_read32(component, WM8510_ADC) & 0x1f7;
 366                snd_soc_component_write(component, WM8510_ADC, reg | div);
 367                break;
 368        case WM8510_DACCLK:
 369                reg = snd_soc_component_read32(component, WM8510_DAC) & 0x1f7;
 370                snd_soc_component_write(component, WM8510_DAC, reg | div);
 371                break;
 372        case WM8510_BCLKDIV:
 373                reg = snd_soc_component_read32(component, WM8510_CLOCK) & 0x1e3;
 374                snd_soc_component_write(component, WM8510_CLOCK, reg | div);
 375                break;
 376        default:
 377                return -EINVAL;
 378        }
 379
 380        return 0;
 381}
 382
 383static int wm8510_set_dai_fmt(struct snd_soc_dai *codec_dai,
 384                unsigned int fmt)
 385{
 386        struct snd_soc_component *component = codec_dai->component;
 387        u16 iface = 0;
 388        u16 clk = snd_soc_component_read32(component, WM8510_CLOCK) & 0x1fe;
 389
 390        /* set master/slave audio interface */
 391        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 392        case SND_SOC_DAIFMT_CBM_CFM:
 393                clk |= 0x0001;
 394                break;
 395        case SND_SOC_DAIFMT_CBS_CFS:
 396                break;
 397        default:
 398                return -EINVAL;
 399        }
 400
 401        /* interface format */
 402        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 403        case SND_SOC_DAIFMT_I2S:
 404                iface |= 0x0010;
 405                break;
 406        case SND_SOC_DAIFMT_RIGHT_J:
 407                break;
 408        case SND_SOC_DAIFMT_LEFT_J:
 409                iface |= 0x0008;
 410                break;
 411        case SND_SOC_DAIFMT_DSP_A:
 412                iface |= 0x00018;
 413                break;
 414        default:
 415                return -EINVAL;
 416        }
 417
 418        /* clock inversion */
 419        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 420        case SND_SOC_DAIFMT_NB_NF:
 421                break;
 422        case SND_SOC_DAIFMT_IB_IF:
 423                iface |= 0x0180;
 424                break;
 425        case SND_SOC_DAIFMT_IB_NF:
 426                iface |= 0x0100;
 427                break;
 428        case SND_SOC_DAIFMT_NB_IF:
 429                iface |= 0x0080;
 430                break;
 431        default:
 432                return -EINVAL;
 433        }
 434
 435        snd_soc_component_write(component, WM8510_IFACE, iface);
 436        snd_soc_component_write(component, WM8510_CLOCK, clk);
 437        return 0;
 438}
 439
 440static int wm8510_pcm_hw_params(struct snd_pcm_substream *substream,
 441                                struct snd_pcm_hw_params *params,
 442                                struct snd_soc_dai *dai)
 443{
 444        struct snd_soc_component *component = dai->component;
 445        u16 iface = snd_soc_component_read32(component, WM8510_IFACE) & 0x19f;
 446        u16 adn = snd_soc_component_read32(component, WM8510_ADD) & 0x1f1;
 447
 448        /* bit size */
 449        switch (params_width(params)) {
 450        case 16:
 451                break;
 452        case 20:
 453                iface |= 0x0020;
 454                break;
 455        case 24:
 456                iface |= 0x0040;
 457                break;
 458        case 32:
 459                iface |= 0x0060;
 460                break;
 461        }
 462
 463        /* filter coefficient */
 464        switch (params_rate(params)) {
 465        case 8000:
 466                adn |= 0x5 << 1;
 467                break;
 468        case 11025:
 469                adn |= 0x4 << 1;
 470                break;
 471        case 16000:
 472                adn |= 0x3 << 1;
 473                break;
 474        case 22050:
 475                adn |= 0x2 << 1;
 476                break;
 477        case 32000:
 478                adn |= 0x1 << 1;
 479                break;
 480        case 44100:
 481        case 48000:
 482                break;
 483        }
 484
 485        snd_soc_component_write(component, WM8510_IFACE, iface);
 486        snd_soc_component_write(component, WM8510_ADD, adn);
 487        return 0;
 488}
 489
 490static int wm8510_mute(struct snd_soc_dai *dai, int mute)
 491{
 492        struct snd_soc_component *component = dai->component;
 493        u16 mute_reg = snd_soc_component_read32(component, WM8510_DAC) & 0xffbf;
 494
 495        if (mute)
 496                snd_soc_component_write(component, WM8510_DAC, mute_reg | 0x40);
 497        else
 498                snd_soc_component_write(component, WM8510_DAC, mute_reg);
 499        return 0;
 500}
 501
 502/* liam need to make this lower power with dapm */
 503static int wm8510_set_bias_level(struct snd_soc_component *component,
 504        enum snd_soc_bias_level level)
 505{
 506        struct wm8510_priv *wm8510 = snd_soc_component_get_drvdata(component);
 507        u16 power1 = snd_soc_component_read32(component, WM8510_POWER1) & ~0x3;
 508
 509        switch (level) {
 510        case SND_SOC_BIAS_ON:
 511        case SND_SOC_BIAS_PREPARE:
 512                power1 |= 0x1;  /* VMID 50k */
 513                snd_soc_component_write(component, WM8510_POWER1, power1);
 514                break;
 515
 516        case SND_SOC_BIAS_STANDBY:
 517                power1 |= WM8510_POWER1_BIASEN | WM8510_POWER1_BUFIOEN;
 518
 519                if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
 520                        regcache_sync(wm8510->regmap);
 521
 522                        /* Initial cap charge at VMID 5k */
 523                        snd_soc_component_write(component, WM8510_POWER1, power1 | 0x3);
 524                        mdelay(100);
 525                }
 526
 527                power1 |= 0x2;  /* VMID 500k */
 528                snd_soc_component_write(component, WM8510_POWER1, power1);
 529                break;
 530
 531        case SND_SOC_BIAS_OFF:
 532                snd_soc_component_write(component, WM8510_POWER1, 0);
 533                snd_soc_component_write(component, WM8510_POWER2, 0);
 534                snd_soc_component_write(component, WM8510_POWER3, 0);
 535                break;
 536        }
 537
 538        return 0;
 539}
 540
 541#define WM8510_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 542                SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
 543                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
 544
 545#define WM8510_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
 546        SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
 547
 548static const struct snd_soc_dai_ops wm8510_dai_ops = {
 549        .hw_params      = wm8510_pcm_hw_params,
 550        .digital_mute   = wm8510_mute,
 551        .set_fmt        = wm8510_set_dai_fmt,
 552        .set_clkdiv     = wm8510_set_dai_clkdiv,
 553        .set_pll        = wm8510_set_dai_pll,
 554};
 555
 556static struct snd_soc_dai_driver wm8510_dai = {
 557        .name = "wm8510-hifi",
 558        .playback = {
 559                .stream_name = "Playback",
 560                .channels_min = 2,
 561                .channels_max = 2,
 562                .rates = WM8510_RATES,
 563                .formats = WM8510_FORMATS,},
 564        .capture = {
 565                .stream_name = "Capture",
 566                .channels_min = 2,
 567                .channels_max = 2,
 568                .rates = WM8510_RATES,
 569                .formats = WM8510_FORMATS,},
 570        .ops = &wm8510_dai_ops,
 571        .symmetric_rates = 1,
 572};
 573
 574static int wm8510_probe(struct snd_soc_component *component)
 575{
 576        wm8510_reset(component);
 577
 578        return 0;
 579}
 580
 581static const struct snd_soc_component_driver soc_component_dev_wm8510 = {
 582        .probe                  = wm8510_probe,
 583        .set_bias_level         = wm8510_set_bias_level,
 584        .controls               = wm8510_snd_controls,
 585        .num_controls           = ARRAY_SIZE(wm8510_snd_controls),
 586        .dapm_widgets           = wm8510_dapm_widgets,
 587        .num_dapm_widgets       = ARRAY_SIZE(wm8510_dapm_widgets),
 588        .dapm_routes            = wm8510_dapm_routes,
 589        .num_dapm_routes        = ARRAY_SIZE(wm8510_dapm_routes),
 590        .suspend_bias_off       = 1,
 591        .idle_bias_on           = 1,
 592        .use_pmdown_time        = 1,
 593        .endianness             = 1,
 594        .non_legacy_dai_naming  = 1,
 595};
 596
 597static const struct of_device_id wm8510_of_match[] = {
 598        { .compatible = "wlf,wm8510" },
 599        { },
 600};
 601MODULE_DEVICE_TABLE(of, wm8510_of_match);
 602
 603static const struct regmap_config wm8510_regmap = {
 604        .reg_bits = 7,
 605        .val_bits = 9,
 606        .max_register = WM8510_MONOMIX,
 607
 608        .reg_defaults = wm8510_reg_defaults,
 609        .num_reg_defaults = ARRAY_SIZE(wm8510_reg_defaults),
 610        .cache_type = REGCACHE_RBTREE,
 611
 612        .volatile_reg = wm8510_volatile,
 613};
 614
 615#if defined(CONFIG_SPI_MASTER)
 616static int wm8510_spi_probe(struct spi_device *spi)
 617{
 618        struct wm8510_priv *wm8510;
 619        int ret;
 620
 621        wm8510 = devm_kzalloc(&spi->dev, sizeof(struct wm8510_priv),
 622                              GFP_KERNEL);
 623        if (wm8510 == NULL)
 624                return -ENOMEM;
 625
 626        wm8510->regmap = devm_regmap_init_spi(spi, &wm8510_regmap);
 627        if (IS_ERR(wm8510->regmap))
 628                return PTR_ERR(wm8510->regmap);
 629
 630        spi_set_drvdata(spi, wm8510);
 631
 632        ret = devm_snd_soc_register_component(&spi->dev,
 633                        &soc_component_dev_wm8510, &wm8510_dai, 1);
 634
 635        return ret;
 636}
 637
 638static struct spi_driver wm8510_spi_driver = {
 639        .driver = {
 640                .name   = "wm8510",
 641                .of_match_table = wm8510_of_match,
 642        },
 643        .probe          = wm8510_spi_probe,
 644};
 645#endif /* CONFIG_SPI_MASTER */
 646
 647#if IS_ENABLED(CONFIG_I2C)
 648static int wm8510_i2c_probe(struct i2c_client *i2c,
 649                            const struct i2c_device_id *id)
 650{
 651        struct wm8510_priv *wm8510;
 652        int ret;
 653
 654        wm8510 = devm_kzalloc(&i2c->dev, sizeof(struct wm8510_priv),
 655                              GFP_KERNEL);
 656        if (wm8510 == NULL)
 657                return -ENOMEM;
 658
 659        wm8510->regmap = devm_regmap_init_i2c(i2c, &wm8510_regmap);
 660        if (IS_ERR(wm8510->regmap))
 661                return PTR_ERR(wm8510->regmap);
 662
 663        i2c_set_clientdata(i2c, wm8510);
 664
 665        ret = devm_snd_soc_register_component(&i2c->dev,
 666                        &soc_component_dev_wm8510, &wm8510_dai, 1);
 667
 668        return ret;
 669}
 670
 671static const struct i2c_device_id wm8510_i2c_id[] = {
 672        { "wm8510", 0 },
 673        { }
 674};
 675MODULE_DEVICE_TABLE(i2c, wm8510_i2c_id);
 676
 677static struct i2c_driver wm8510_i2c_driver = {
 678        .driver = {
 679                .name = "wm8510",
 680                .of_match_table = wm8510_of_match,
 681        },
 682        .probe =    wm8510_i2c_probe,
 683        .id_table = wm8510_i2c_id,
 684};
 685#endif
 686
 687static int __init wm8510_modinit(void)
 688{
 689        int ret = 0;
 690#if IS_ENABLED(CONFIG_I2C)
 691        ret = i2c_add_driver(&wm8510_i2c_driver);
 692        if (ret != 0) {
 693                printk(KERN_ERR "Failed to register WM8510 I2C driver: %d\n",
 694                       ret);
 695        }
 696#endif
 697#if defined(CONFIG_SPI_MASTER)
 698        ret = spi_register_driver(&wm8510_spi_driver);
 699        if (ret != 0) {
 700                printk(KERN_ERR "Failed to register WM8510 SPI driver: %d\n",
 701                       ret);
 702        }
 703#endif
 704        return ret;
 705}
 706module_init(wm8510_modinit);
 707
 708static void __exit wm8510_exit(void)
 709{
 710#if IS_ENABLED(CONFIG_I2C)
 711        i2c_del_driver(&wm8510_i2c_driver);
 712#endif
 713#if defined(CONFIG_SPI_MASTER)
 714        spi_unregister_driver(&wm8510_spi_driver);
 715#endif
 716}
 717module_exit(wm8510_exit);
 718
 719MODULE_DESCRIPTION("ASoC WM8510 driver");
 720MODULE_AUTHOR("Liam Girdwood");
 721MODULE_LICENSE("GPL");
 722