sound/soc/codecs/wm8510.c

   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  */
  34 static 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
  93 static 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 */
 109 struct wm8510_priv {
 110         struct regmap *regmap;
 111 };
 112
 113 static const char *wm8510_companding[] = { "Off", "NC", "u-law", "A-law" };
 114 static const char *wm8510_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
 115 static const char *wm8510_alc[] = { "ALC", "Limiter" };
 116
 117 static 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
 124 static const struct snd_kcontrol_new wm8510_snd_controls[] = {
 125
 126 SOC_SINGLE("Digital Loopback Switch", WM8510_COMP, 0, 1, 0),
 127
 128 SOC_ENUM("DAC Companding", wm8510_enum[1]),
 129 SOC_ENUM("ADC Companding", wm8510_enum[0]),
 130
 131 SOC_ENUM("Playback De-emphasis", wm8510_enum[2]),
 132 SOC_SINGLE("DAC Inversion Switch", WM8510_DAC, 0, 1, 0),
 133
 134 SOC_SINGLE("Master Playback Volume", WM8510_DACVOL, 0, 127, 0),
 135
 136 SOC_SINGLE("High Pass Filter Switch", WM8510_ADC, 8, 1, 0),
 137 SOC_SINGLE("High Pass Cut Off", WM8510_ADC, 4, 7, 0),
 138 SOC_SINGLE("ADC Inversion Switch", WM8510_COMP, 0, 1, 0),
 139
 140 SOC_SINGLE("Capture Volume", WM8510_ADCVOL,  0, 127, 0),
 141
 142 SOC_SINGLE("DAC Playback Limiter Switch", WM8510_DACLIM1,  8, 1, 0),
 143 SOC_SINGLE("DAC Playback Limiter Decay", WM8510_DACLIM1,  4, 15, 0),
 144 SOC_SINGLE("DAC Playback Limiter Attack", WM8510_DACLIM1,  0, 15, 0),
 145
 146 SOC_SINGLE("DAC Playback Limiter Threshold", WM8510_DACLIM2,  4, 7, 0),
 147 SOC_SINGLE("DAC Playback Limiter Boost", WM8510_DACLIM2,  0, 15, 0),
 148
 149 SOC_SINGLE("ALC Enable Switch", WM8510_ALC1,  8, 1, 0),
 150 SOC_SINGLE("ALC Capture Max Gain", WM8510_ALC1,  3, 7, 0),
 151 SOC_SINGLE("ALC Capture Min Gain", WM8510_ALC1,  0, 7, 0),
 152
 153 SOC_SINGLE("ALC Capture ZC Switch", WM8510_ALC2,  8, 1, 0),
 154 SOC_SINGLE("ALC Capture Hold", WM8510_ALC2,  4, 7, 0),
 155 SOC_SINGLE("ALC Capture Target", WM8510_ALC2,  0, 15, 0),
 156
 157 SOC_ENUM("ALC Capture Mode", wm8510_enum[3]),
 158 SOC_SINGLE("ALC Capture Decay", WM8510_ALC3,  4, 15, 0),
 159 SOC_SINGLE("ALC Capture Attack", WM8510_ALC3,  0, 15, 0),
 160
 161 SOC_SINGLE("ALC Capture Noise Gate Switch", WM8510_NGATE,  3, 1, 0),
 162 SOC_SINGLE("ALC Capture Noise Gate Threshold", WM8510_NGATE,  0, 7, 0),
 163
 164 SOC_SINGLE("Capture PGA ZC Switch", WM8510_INPPGA,  7, 1, 0),
 165 SOC_SINGLE("Capture PGA Volume", WM8510_INPPGA,  0, 63, 0),
 166
 167 SOC_SINGLE("Speaker Playback ZC Switch", WM8510_SPKVOL,  7, 1, 0),
 168 SOC_SINGLE("Speaker Playback Switch", WM8510_SPKVOL,  6, 1, 1),
 169 SOC_SINGLE("Speaker Playback Volume", WM8510_SPKVOL,  0, 63, 0),
 170 SOC_SINGLE("Speaker Boost", WM8510_OUTPUT, 2, 1, 0),
 171
 172 SOC_SINGLE("Capture Boost(+20dB)", WM8510_ADCBOOST,  8, 1, 0),
 173 SOC_SINGLE("Mono Playback Switch", WM8510_MONOMIX, 6, 1, 1),
 174 };
 175
 176 /* Speaker Output Mixer */
 177 static const struct snd_kcontrol_new wm8510_speaker_mixer_controls[] = {
 178 SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_SPKMIX, 1, 1, 0),
 179 SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_SPKMIX, 5, 1, 0),
 180 SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_SPKMIX, 0, 1, 0),
 181 };
 182
 183 /* Mono Output Mixer */
 184 static const struct snd_kcontrol_new wm8510_mono_mixer_controls[] = {
 185 SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_MONOMIX, 1, 1, 0),
 186 SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_MONOMIX, 2, 1, 0),
 187 SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_MONOMIX, 0, 1, 0),
 188 };
 189
 190 static const struct snd_kcontrol_new wm8510_boost_controls[] = {
 191 SOC_DAPM_SINGLE("Mic PGA Switch", WM8510_INPPGA,  6, 1, 1),
 192 SOC_DAPM_SINGLE("Aux Volume", WM8510_ADCBOOST, 0, 7, 0),
 193 SOC_DAPM_SINGLE("Mic Volume", WM8510_ADCBOOST, 4, 7, 0),
 194 };
 195
 196 static const struct snd_kcontrol_new wm8510_micpga_controls[] = {
 197 SOC_DAPM_SINGLE("MICP Switch", WM8510_INPUT, 0, 1, 0),
 198 SOC_DAPM_SINGLE("MICN Switch", WM8510_INPUT, 1, 1, 0),
 199 SOC_DAPM_SINGLE("AUX Switch", WM8510_INPUT, 2, 1, 0),
 200 };
 201
 202 static const struct snd_soc_dapm_widget wm8510_dapm_widgets[] = {
 203 SND_SOC_DAPM_MIXER("Speaker Mixer", WM8510_POWER3, 2, 0,
 204         &wm8510_speaker_mixer_controls[0],
 205         ARRAY_SIZE(wm8510_speaker_mixer_controls)),
 206 SND_SOC_DAPM_MIXER("Mono Mixer", WM8510_POWER3, 3, 0,
 207         &wm8510_mono_mixer_controls[0],
 208         ARRAY_SIZE(wm8510_mono_mixer_controls)),
 209 SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8510_POWER3, 0, 0),
 210 SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8510_POWER2, 0, 0),
 211 SND_SOC_DAPM_PGA("Aux Input", WM8510_POWER1, 6, 0, NULL, 0),
 212 SND_SOC_DAPM_PGA("SpkN Out", WM8510_POWER3, 5, 0, NULL, 0),
 213 SND_SOC_DAPM_PGA("SpkP Out", WM8510_POWER3, 6, 0, NULL, 0),
 214 SND_SOC_DAPM_PGA("Mono Out", WM8510_POWER3, 7, 0, NULL, 0),
 215
 216 SND_SOC_DAPM_MIXER("Mic PGA", WM8510_POWER2, 2, 0,
 217                    &wm8510_micpga_controls[0],
 218                    ARRAY_SIZE(wm8510_micpga_controls)),
 219 SND_SOC_DAPM_MIXER("Boost Mixer", WM8510_POWER2, 4, 0,
 220         &wm8510_boost_controls[0],
 221         ARRAY_SIZE(wm8510_boost_controls)),
 222
 223 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8510_POWER1, 4, 0),
 224
 225 SND_SOC_DAPM_INPUT("MICN"),
 226 SND_SOC_DAPM_INPUT("MICP"),
 227 SND_SOC_DAPM_INPUT("AUX"),
 228 SND_SOC_DAPM_OUTPUT("MONOOUT"),
 229 SND_SOC_DAPM_OUTPUT("SPKOUTP"),
 230 SND_SOC_DAPM_OUTPUT("SPKOUTN"),
 231 };
 232
 233 static 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
 265 struct pll_ {
 266         unsigned int pre_div:4; /* prescale - 1 */
 267         unsigned int n:4;
 268         unsigned int k;
 269 };
 270
 271 static 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
 277 static 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
 313 static 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_read(component, WM8510_CLOCK);
 322                 snd_soc_component_write(component, WM8510_CLOCK, reg & 0x0ff);
 323
 324                 /* Turn off PLL */
 325                 reg = snd_soc_component_read(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_read(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_read(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  */
 349 static 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_read(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_read(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_read(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_read(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_read(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
 383 static 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_read(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
 440 static 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_read(component, WM8510_IFACE) & 0x19f;
 446         u16 adn = snd_soc_component_read(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
 490 static int wm8510_mute(struct snd_soc_dai *dai, int mute, int direction)
 491 {
 492         struct snd_soc_component *component = dai->component;
 493         u16 mute_reg = snd_soc_component_read(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 */
 503 static 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_read(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
 548 static const struct snd_soc_dai_ops wm8510_dai_ops = {
 549         .hw_params      = wm8510_pcm_hw_params,
 550         .mute_stream    = wm8510_mute,
 551         .set_fmt        = wm8510_set_dai_fmt,
 552         .set_clkdiv     = wm8510_set_dai_clkdiv,
 553         .set_pll        = wm8510_set_dai_pll,
 554         .no_capture_mute = 1,
 555 };
 556
 557 static struct snd_soc_dai_driver wm8510_dai = {
 558         .name = "wm8510-hifi",
 559         .playback = {
 560                 .stream_name = "Playback",
 561                 .channels_min = 2,
 562                 .channels_max = 2,
 563                 .rates = WM8510_RATES,
 564                 .formats = WM8510_FORMATS,},
 565         .capture = {
 566                 .stream_name = "Capture",
 567                 .channels_min = 2,
 568                 .channels_max = 2,
 569                 .rates = WM8510_RATES,
 570                 .formats = WM8510_FORMATS,},
 571         .ops = &wm8510_dai_ops,
 572         .symmetric_rates = 1,
 573 };
 574
 575 static int wm8510_probe(struct snd_soc_component *component)
 576 {
 577         wm8510_reset(component);
 578
 579         return 0;
 580 }
 581
 582 static const struct snd_soc_component_driver soc_component_dev_wm8510 = {
 583         .probe                  = wm8510_probe,
 584         .set_bias_level         = wm8510_set_bias_level,
 585         .controls               = wm8510_snd_controls,
 586         .num_controls           = ARRAY_SIZE(wm8510_snd_controls),
 587         .dapm_widgets           = wm8510_dapm_widgets,
 588         .num_dapm_widgets       = ARRAY_SIZE(wm8510_dapm_widgets),
 589         .dapm_routes            = wm8510_dapm_routes,
 590         .num_dapm_routes        = ARRAY_SIZE(wm8510_dapm_routes),
 591         .suspend_bias_off       = 1,
 592         .idle_bias_on           = 1,
 593         .use_pmdown_time        = 1,
 594         .endianness             = 1,
 595         .non_legacy_dai_naming  = 1,
 596 };
 597
 598 static const struct of_device_id wm8510_of_match[] = {
 599         { .compatible = "wlf,wm8510" },
 600         { },
 601 };
 602 MODULE_DEVICE_TABLE(of, wm8510_of_match);
 603
 604 static const struct regmap_config wm8510_regmap = {
 605         .reg_bits = 7,
 606         .val_bits = 9,
 607         .max_register = WM8510_MONOMIX,
 608
 609         .reg_defaults = wm8510_reg_defaults,
 610         .num_reg_defaults = ARRAY_SIZE(wm8510_reg_defaults),
 611         .cache_type = REGCACHE_RBTREE,
 612
 613         .volatile_reg = wm8510_volatile,
 614 };
 615
 616 #if defined(CONFIG_SPI_MASTER)
 617 static int wm8510_spi_probe(struct spi_device *spi)
 618 {
 619         struct wm8510_priv *wm8510;
 620         int ret;
 621
 622         wm8510 = devm_kzalloc(&spi->dev, sizeof(struct wm8510_priv),
 623                               GFP_KERNEL);
 624         if (wm8510 == NULL)
 625                 return -ENOMEM;
 626
 627         wm8510->regmap = devm_regmap_init_spi(spi, &wm8510_regmap);
 628         if (IS_ERR(wm8510->regmap))
 629                 return PTR_ERR(wm8510->regmap);
 630
 631         spi_set_drvdata(spi, wm8510);
 632
 633         ret = devm_snd_soc_register_component(&spi->dev,
 634                         &soc_component_dev_wm8510, &wm8510_dai, 1);
 635
 636         return ret;
 637 }
 638
 639 static struct spi_driver wm8510_spi_driver = {
 640         .driver = {
 641                 .name   = "wm8510",
 642                 .of_match_table = wm8510_of_match,
 643         },
 644         .probe          = wm8510_spi_probe,
 645 };
 646 #endif /* CONFIG_SPI_MASTER */
 647
 648 #if IS_ENABLED(CONFIG_I2C)
 649 static int wm8510_i2c_probe(struct i2c_client *i2c,
 650                             const struct i2c_device_id *id)
 651 {
 652         struct wm8510_priv *wm8510;
 653         int ret;
 654
 655         wm8510 = devm_kzalloc(&i2c->dev, sizeof(struct wm8510_priv),
 656                               GFP_KERNEL);
 657         if (wm8510 == NULL)
 658                 return -ENOMEM;
 659
 660         wm8510->regmap = devm_regmap_init_i2c(i2c, &wm8510_regmap);
 661         if (IS_ERR(wm8510->regmap))
 662                 return PTR_ERR(wm8510->regmap);
 663
 664         i2c_set_clientdata(i2c, wm8510);
 665
 666         ret = devm_snd_soc_register_component(&i2c->dev,
 667                         &soc_component_dev_wm8510, &wm8510_dai, 1);
 668
 669         return ret;
 670 }
 671
 672 static const struct i2c_device_id wm8510_i2c_id[] = {
 673         { "wm8510", 0 },
 674         { }
 675 };
 676 MODULE_DEVICE_TABLE(i2c, wm8510_i2c_id);
 677
 678 static struct i2c_driver wm8510_i2c_driver = {
 679         .driver = {
 680                 .name = "wm8510",
 681                 .of_match_table = wm8510_of_match,
 682         },
 683         .probe =    wm8510_i2c_probe,
 684         .id_table = wm8510_i2c_id,
 685 };
 686 #endif
 687
 688 static int __init wm8510_modinit(void)
 689 {
 690         int ret = 0;
 691 #if IS_ENABLED(CONFIG_I2C)
 692         ret = i2c_add_driver(&wm8510_i2c_driver);
 693         if (ret != 0) {
 694                 printk(KERN_ERR "Failed to register WM8510 I2C driver: %d\n",
 695                        ret);
 696         }
 697 #endif
 698 #if defined(CONFIG_SPI_MASTER)
 699         ret = spi_register_driver(&wm8510_spi_driver);
 700         if (ret != 0) {
 701                 printk(KERN_ERR "Failed to register WM8510 SPI driver: %d\n",
 702                        ret);
 703         }
 704 #endif
 705         return ret;
 706 }
 707 module_init(wm8510_modinit);
 708
 709 static void __exit wm8510_exit(void)
 710 {
 711 #if IS_ENABLED(CONFIG_I2C)
 712         i2c_del_driver(&wm8510_i2c_driver);
 713 #endif
 714 #if defined(CONFIG_SPI_MASTER)
 715         spi_unregister_driver(&wm8510_spi_driver);
 716 #endif
 717 }
 718 module_exit(wm8510_exit);
 719
 720 MODULE_DESCRIPTION("ASoC WM8510 driver");
 721 MODULE_AUTHOR("Liam Girdwood");
 722 MODULE_LICENSE("GPL");