sound/soc/codecs/adau1781.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Driver for ADAU1381/ADAU1781 codec
   4  *
   5  * Copyright 2011-2013 Analog Devices Inc.
   6  * Author: Lars-Peter Clausen <lars@metafoo.de>
   7  */
   8
   9 #include <linux/module.h>
  10 #include <linux/init.h>
  11 #include <linux/i2c.h>
  12 #include <linux/spi/spi.h>
  13 #include <linux/slab.h>
  14 #include <sound/core.h>
  15 #include <sound/pcm.h>
  16 #include <sound/pcm_params.h>
  17 #include <sound/soc.h>
  18 #include <sound/tlv.h>
  19 #include <linux/platform_data/adau17x1.h>
  20
  21 #include "adau17x1.h"
  22 #include "adau1781.h"
  23
  24 #define ADAU1781_DMIC_BEEP_CTRL         0x4008
  25 #define ADAU1781_LEFT_PGA               0x400e
  26 #define ADAU1781_RIGHT_PGA              0x400f
  27 #define ADAU1781_LEFT_PLAYBACK_MIXER    0x401c
  28 #define ADAU1781_RIGHT_PLAYBACK_MIXER   0x401e
  29 #define ADAU1781_MONO_PLAYBACK_MIXER    0x401f
  30 #define ADAU1781_LEFT_LINEOUT           0x4025
  31 #define ADAU1781_RIGHT_LINEOUT          0x4026
  32 #define ADAU1781_SPEAKER                0x4027
  33 #define ADAU1781_BEEP_ZC                0x4028
  34 #define ADAU1781_DEJITTER               0x4032
  35 #define ADAU1781_DIG_PWDN0              0x4080
  36 #define ADAU1781_DIG_PWDN1              0x4081
  37
  38 #define ADAU1781_INPUT_DIFFERNTIAL BIT(3)
  39
  40 #define ADAU1381_FIRMWARE "adau1381.bin"
  41 #define ADAU1781_FIRMWARE "adau1781.bin"
  42
  43 static const struct reg_default adau1781_reg_defaults[] = {
  44         { ADAU1781_DMIC_BEEP_CTRL,              0x00 },
  45         { ADAU1781_LEFT_PGA,                    0xc7 },
  46         { ADAU1781_RIGHT_PGA,                   0xc7 },
  47         { ADAU1781_LEFT_PLAYBACK_MIXER,         0x00 },
  48         { ADAU1781_RIGHT_PLAYBACK_MIXER,        0x00 },
  49         { ADAU1781_MONO_PLAYBACK_MIXER,         0x00 },
  50         { ADAU1781_LEFT_LINEOUT,                0x00 },
  51         { ADAU1781_RIGHT_LINEOUT,               0x00 },
  52         { ADAU1781_SPEAKER,                     0x00 },
  53         { ADAU1781_BEEP_ZC,                     0x19 },
  54         { ADAU1781_DEJITTER,                    0x60 },
  55         { ADAU1781_DIG_PWDN1,                   0x0c },
  56         { ADAU1781_DIG_PWDN1,                   0x00 },
  57         { ADAU17X1_CLOCK_CONTROL,               0x00 },
  58         { ADAU17X1_PLL_CONTROL,                 0x00 },
  59         { ADAU17X1_REC_POWER_MGMT,              0x00 },
  60         { ADAU17X1_MICBIAS,                     0x04 },
  61         { ADAU17X1_SERIAL_PORT0,                0x00 },
  62         { ADAU17X1_SERIAL_PORT1,                0x00 },
  63         { ADAU17X1_CONVERTER0,                  0x00 },
  64         { ADAU17X1_CONVERTER1,                  0x00 },
  65         { ADAU17X1_LEFT_INPUT_DIGITAL_VOL,      0x00 },
  66         { ADAU17X1_RIGHT_INPUT_DIGITAL_VOL,     0x00 },
  67         { ADAU17X1_ADC_CONTROL,                 0x00 },
  68         { ADAU17X1_PLAY_POWER_MGMT,             0x00 },
  69         { ADAU17X1_DAC_CONTROL0,                0x00 },
  70         { ADAU17X1_DAC_CONTROL1,                0x00 },
  71         { ADAU17X1_DAC_CONTROL2,                0x00 },
  72         { ADAU17X1_SERIAL_PORT_PAD,             0x00 },
  73         { ADAU17X1_CONTROL_PORT_PAD0,           0x00 },
  74         { ADAU17X1_CONTROL_PORT_PAD1,           0x00 },
  75         { ADAU17X1_DSP_SAMPLING_RATE,           0x01 },
  76         { ADAU17X1_SERIAL_INPUT_ROUTE,          0x00 },
  77         { ADAU17X1_SERIAL_OUTPUT_ROUTE,         0x00 },
  78         { ADAU17X1_DSP_ENABLE,                  0x00 },
  79         { ADAU17X1_DSP_RUN,                     0x00 },
  80         { ADAU17X1_SERIAL_SAMPLING_RATE,        0x00 },
  81 };
  82
  83 static const DECLARE_TLV_DB_SCALE(adau1781_speaker_tlv, 0, 200, 0);
  84
  85 static const DECLARE_TLV_DB_RANGE(adau1781_pga_tlv,
  86         0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
  87         2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
  88         4, 4, TLV_DB_SCALE_ITEM(1700, 0, 0),
  89         5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
  90 );
  91
  92 static const DECLARE_TLV_DB_RANGE(adau1781_beep_tlv,
  93         0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
  94         2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
  95         4, 4, TLV_DB_SCALE_ITEM(-2300, 0, 0),
  96         5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
  97 );
  98
  99 static const DECLARE_TLV_DB_SCALE(adau1781_sidetone_tlv, -1800, 300, 1);
 100
 101 static const char * const adau1781_speaker_bias_select_text[] = {
 102         "Normal operation", "Power saving", "Enhanced performance",
 103 };
 104
 105 static const char * const adau1781_bias_select_text[] = {
 106         "Normal operation", "Extreme power saving", "Power saving",
 107         "Enhanced performance",
 108 };
 109
 110 static SOC_ENUM_SINGLE_DECL(adau1781_adc_bias_enum,
 111                 ADAU17X1_REC_POWER_MGMT, 3, adau1781_bias_select_text);
 112 static SOC_ENUM_SINGLE_DECL(adau1781_speaker_bias_enum,
 113                 ADAU17X1_PLAY_POWER_MGMT, 6, adau1781_speaker_bias_select_text);
 114 static SOC_ENUM_SINGLE_DECL(adau1781_dac_bias_enum,
 115                 ADAU17X1_PLAY_POWER_MGMT, 4, adau1781_bias_select_text);
 116 static SOC_ENUM_SINGLE_DECL(adau1781_playback_bias_enum,
 117                 ADAU17X1_PLAY_POWER_MGMT, 2, adau1781_bias_select_text);
 118 static SOC_ENUM_SINGLE_DECL(adau1781_capture_bias_enum,
 119                 ADAU17X1_REC_POWER_MGMT, 1, adau1781_bias_select_text);
 120
 121 static const struct snd_kcontrol_new adau1781_controls[] = {
 122         SOC_SINGLE_TLV("Beep Capture Volume", ADAU1781_DMIC_BEEP_CTRL, 0, 7, 0,
 123                 adau1781_beep_tlv),
 124         SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAU1781_LEFT_PGA,
 125                 ADAU1781_RIGHT_PGA, 5, 7, 0, adau1781_pga_tlv),
 126         SOC_DOUBLE_R("PGA Capture Switch", ADAU1781_LEFT_PGA,
 127                 ADAU1781_RIGHT_PGA, 1, 1, 0),
 128
 129         SOC_DOUBLE_R("Lineout Playback Switch", ADAU1781_LEFT_LINEOUT,
 130                 ADAU1781_RIGHT_LINEOUT, 1, 1, 0),
 131         SOC_SINGLE("Beep ZC Switch", ADAU1781_BEEP_ZC, 0, 1, 0),
 132
 133         SOC_SINGLE("Mono Playback Switch", ADAU1781_MONO_PLAYBACK_MIXER,
 134                 0, 1, 0),
 135         SOC_SINGLE_TLV("Mono Playback Volume", ADAU1781_SPEAKER, 6, 3, 0,
 136                 adau1781_speaker_tlv),
 137
 138         SOC_ENUM("ADC Bias", adau1781_adc_bias_enum),
 139         SOC_ENUM("DAC Bias", adau1781_dac_bias_enum),
 140         SOC_ENUM("Capture Bias", adau1781_capture_bias_enum),
 141         SOC_ENUM("Playback Bias", adau1781_playback_bias_enum),
 142         SOC_ENUM("Speaker Bias", adau1781_speaker_bias_enum),
 143 };
 144
 145 static const struct snd_kcontrol_new adau1781_beep_mixer_controls[] = {
 146         SOC_DAPM_SINGLE("Beep Capture Switch", ADAU1781_DMIC_BEEP_CTRL,
 147                 3, 1, 0),
 148 };
 149
 150 static const struct snd_kcontrol_new adau1781_left_mixer_controls[] = {
 151         SOC_DAPM_SINGLE_AUTODISABLE("Switch",
 152                 ADAU1781_LEFT_PLAYBACK_MIXER, 5, 1, 0),
 153         SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
 154                 ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
 155 };
 156
 157 static const struct snd_kcontrol_new adau1781_right_mixer_controls[] = {
 158         SOC_DAPM_SINGLE_AUTODISABLE("Switch",
 159                 ADAU1781_RIGHT_PLAYBACK_MIXER, 6, 1, 0),
 160         SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
 161                 ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
 162 };
 163
 164 static const struct snd_kcontrol_new adau1781_mono_mixer_controls[] = {
 165         SOC_DAPM_SINGLE_AUTODISABLE("Left Switch",
 166                 ADAU1781_MONO_PLAYBACK_MIXER, 7, 1, 0),
 167         SOC_DAPM_SINGLE_AUTODISABLE("Right Switch",
 168                  ADAU1781_MONO_PLAYBACK_MIXER, 6, 1, 0),
 169         SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
 170                 ADAU1781_MONO_PLAYBACK_MIXER, 2, 8, 0, adau1781_sidetone_tlv),
 171 };
 172
 173 static int adau1781_dejitter_fixup(struct snd_soc_dapm_widget *w,
 174         struct snd_kcontrol *kcontrol, int event)
 175 {
 176         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 177         struct adau *adau = snd_soc_component_get_drvdata(component);
 178
 179         /* After any power changes have been made the dejitter circuit
 180          * has to be reinitialized. */
 181         regmap_write(adau->regmap, ADAU1781_DEJITTER, 0);
 182         if (!adau->master)
 183                 regmap_write(adau->regmap, ADAU1781_DEJITTER, 5);
 184
 185         return 0;
 186 }
 187
 188 static const struct snd_soc_dapm_widget adau1781_dapm_widgets[] = {
 189         SND_SOC_DAPM_PGA("Left PGA", ADAU1781_LEFT_PGA, 0, 0, NULL, 0),
 190         SND_SOC_DAPM_PGA("Right PGA", ADAU1781_RIGHT_PGA, 0, 0, NULL, 0),
 191
 192         SND_SOC_DAPM_OUT_DRV("Speaker", ADAU1781_SPEAKER, 0, 0, NULL, 0),
 193
 194         SOC_MIXER_NAMED_CTL_ARRAY("Beep Mixer", ADAU17X1_MICBIAS, 4, 0,
 195                 adau1781_beep_mixer_controls),
 196
 197         SOC_MIXER_ARRAY("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
 198                 adau1781_left_mixer_controls),
 199         SOC_MIXER_ARRAY("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
 200                 adau1781_right_mixer_controls),
 201         SOC_MIXER_ARRAY("Mono Mixer", SND_SOC_NOPM, 0, 0,
 202                 adau1781_mono_mixer_controls),
 203
 204         SND_SOC_DAPM_SUPPLY("Serial Input Routing", ADAU1781_DIG_PWDN0,
 205                 2, 0, NULL, 0),
 206         SND_SOC_DAPM_SUPPLY("Serial Output Routing", ADAU1781_DIG_PWDN0,
 207                 3, 0, NULL, 0),
 208         SND_SOC_DAPM_SUPPLY("Clock Domain Transfer", ADAU1781_DIG_PWDN0,
 209                 5, 0, NULL, 0),
 210         SND_SOC_DAPM_SUPPLY("Serial Ports", ADAU1781_DIG_PWDN0, 4, 0, NULL, 0),
 211         SND_SOC_DAPM_SUPPLY("ADC Engine", ADAU1781_DIG_PWDN0, 7, 0, NULL, 0),
 212         SND_SOC_DAPM_SUPPLY("DAC Engine", ADAU1781_DIG_PWDN1, 0, 0, NULL, 0),
 213         SND_SOC_DAPM_SUPPLY("Digital Mic", ADAU1781_DIG_PWDN1, 1, 0, NULL, 0),
 214
 215         SND_SOC_DAPM_SUPPLY("Sound Engine", ADAU1781_DIG_PWDN0, 0, 0, NULL, 0),
 216         SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, ADAU1781_DIG_PWDN0, 1, 0, NULL, 0),
 217
 218         SND_SOC_DAPM_SUPPLY("Zero Crossing Detector", ADAU1781_DIG_PWDN1, 2, 0,
 219                 NULL, 0),
 220
 221         SND_SOC_DAPM_POST("Dejitter fixup", adau1781_dejitter_fixup),
 222
 223         SND_SOC_DAPM_INPUT("BEEP"),
 224
 225         SND_SOC_DAPM_OUTPUT("AOUTL"),
 226         SND_SOC_DAPM_OUTPUT("AOUTR"),
 227         SND_SOC_DAPM_OUTPUT("SP"),
 228         SND_SOC_DAPM_INPUT("LMIC"),
 229         SND_SOC_DAPM_INPUT("RMIC"),
 230 };
 231
 232 static const struct snd_soc_dapm_route adau1781_dapm_routes[] = {
 233         { "Left Lineout Mixer", NULL, "Left Playback Enable" },
 234         { "Right Lineout Mixer", NULL, "Right Playback Enable" },
 235
 236         { "Left Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
 237         { "Left Lineout Mixer", "Switch", "Left DAC" },
 238
 239         { "Right Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
 240         { "Right Lineout Mixer", "Switch", "Right DAC" },
 241
 242         { "Mono Mixer", "Beep Playback Volume", "Beep Mixer" },
 243         { "Mono Mixer", "Right Switch", "Right DAC" },
 244         { "Mono Mixer", "Left Switch", "Left DAC" },
 245         { "Speaker", NULL, "Mono Mixer" },
 246
 247         { "Mono Mixer", NULL, "SYSCLK" },
 248         { "Left Lineout Mixer", NULL, "SYSCLK" },
 249         { "Left Lineout Mixer", NULL, "SYSCLK" },
 250
 251         { "Beep Mixer", "Beep Capture Switch", "BEEP" },
 252         { "Beep Mixer", NULL, "Zero Crossing Detector" },
 253
 254         { "Left DAC", NULL, "DAC Engine" },
 255         { "Right DAC", NULL, "DAC Engine" },
 256
 257         { "Sound Engine", NULL, "SYSCLK" },
 258         { "DSP", NULL, "Sound Engine" },
 259
 260         { "Left Decimator", NULL, "ADC Engine" },
 261         { "Right Decimator", NULL, "ADC Engine" },
 262
 263         { "AIFCLK", NULL, "SYSCLK" },
 264
 265         { "Playback", NULL, "Serial Input Routing" },
 266         { "Playback", NULL, "Serial Ports" },
 267         { "Playback", NULL, "Clock Domain Transfer" },
 268         { "Capture", NULL, "Serial Output Routing" },
 269         { "Capture", NULL, "Serial Ports" },
 270         { "Capture", NULL, "Clock Domain Transfer" },
 271
 272         { "AOUTL", NULL, "Left Lineout Mixer" },
 273         { "AOUTR", NULL, "Right Lineout Mixer" },
 274         { "SP", NULL, "Speaker" },
 275 };
 276
 277 static const struct snd_soc_dapm_route adau1781_adc_dapm_routes[] = {
 278         { "Left PGA", NULL, "LMIC" },
 279         { "Right PGA", NULL, "RMIC" },
 280
 281         { "Left Decimator", NULL, "Left PGA" },
 282         { "Right Decimator", NULL, "Right PGA" },
 283 };
 284
 285 static const char * const adau1781_dmic_select_text[] = {
 286         "DMIC1", "DMIC2",
 287 };
 288
 289 static SOC_ENUM_SINGLE_VIRT_DECL(adau1781_dmic_select_enum,
 290         adau1781_dmic_select_text);
 291
 292 static const struct snd_kcontrol_new adau1781_dmic_mux =
 293         SOC_DAPM_ENUM("DMIC Select", adau1781_dmic_select_enum);
 294
 295 static const struct snd_soc_dapm_widget adau1781_dmic_dapm_widgets[] = {
 296         SND_SOC_DAPM_MUX("DMIC Select", SND_SOC_NOPM, 0, 0, &adau1781_dmic_mux),
 297
 298         SND_SOC_DAPM_ADC("DMIC1", NULL, ADAU1781_DMIC_BEEP_CTRL, 4, 0),
 299         SND_SOC_DAPM_ADC("DMIC2", NULL, ADAU1781_DMIC_BEEP_CTRL, 5, 0),
 300 };
 301
 302 static const struct snd_soc_dapm_route adau1781_dmic_dapm_routes[] = {
 303         { "DMIC1", NULL, "LMIC" },
 304         { "DMIC2", NULL, "RMIC" },
 305
 306         { "DMIC1", NULL, "Digital Mic" },
 307         { "DMIC2", NULL, "Digital Mic" },
 308
 309         { "DMIC Select", "DMIC1", "DMIC1" },
 310         { "DMIC Select", "DMIC2", "DMIC2" },
 311
 312         { "Left Decimator", NULL, "DMIC Select" },
 313         { "Right Decimator", NULL, "DMIC Select" },
 314 };
 315
 316 static int adau1781_set_bias_level(struct snd_soc_component *component,
 317                 enum snd_soc_bias_level level)
 318 {
 319         struct adau *adau = snd_soc_component_get_drvdata(component);
 320
 321         switch (level) {
 322         case SND_SOC_BIAS_ON:
 323                 break;
 324         case SND_SOC_BIAS_PREPARE:
 325                 break;
 326         case SND_SOC_BIAS_STANDBY:
 327                 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
 328                         ADAU17X1_CLOCK_CONTROL_SYSCLK_EN,
 329                         ADAU17X1_CLOCK_CONTROL_SYSCLK_EN);
 330
 331                 /* Precharge */
 332                 regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0x8, 0x8);
 333                 break;
 334         case SND_SOC_BIAS_OFF:
 335                 regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0xc, 0x0);
 336                 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
 337                         ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 0);
 338                 break;
 339         }
 340
 341         return 0;
 342 }
 343
 344 static bool adau1781_readable_register(struct device *dev, unsigned int reg)
 345 {
 346         switch (reg) {
 347         case ADAU1781_DMIC_BEEP_CTRL:
 348         case ADAU1781_LEFT_PGA:
 349         case ADAU1781_RIGHT_PGA:
 350         case ADAU1781_LEFT_PLAYBACK_MIXER:
 351         case ADAU1781_RIGHT_PLAYBACK_MIXER:
 352         case ADAU1781_MONO_PLAYBACK_MIXER:
 353         case ADAU1781_LEFT_LINEOUT:
 354         case ADAU1781_RIGHT_LINEOUT:
 355         case ADAU1781_SPEAKER:
 356         case ADAU1781_BEEP_ZC:
 357         case ADAU1781_DEJITTER:
 358         case ADAU1781_DIG_PWDN0:
 359         case ADAU1781_DIG_PWDN1:
 360                 return true;
 361         default:
 362                 break;
 363         }
 364
 365         return adau17x1_readable_register(dev, reg);
 366 }
 367
 368 static int adau1781_set_input_mode(struct adau *adau, unsigned int reg,
 369         bool differential)
 370 {
 371         unsigned int val;
 372
 373         if (differential)
 374                 val = ADAU1781_INPUT_DIFFERNTIAL;
 375         else
 376                 val = 0;
 377
 378         return regmap_update_bits(adau->regmap, reg,
 379                 ADAU1781_INPUT_DIFFERNTIAL, val);
 380 }
 381
 382 static int adau1781_component_probe(struct snd_soc_component *component)
 383 {
 384         struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
 385         struct adau1781_platform_data *pdata = dev_get_platdata(component->dev);
 386         struct adau *adau = snd_soc_component_get_drvdata(component);
 387         int ret;
 388
 389         ret = adau17x1_add_widgets(component);
 390         if (ret)
 391                 return ret;
 392
 393         if (pdata) {
 394                 ret = adau1781_set_input_mode(adau, ADAU1781_LEFT_PGA,
 395                         pdata->left_input_differential);
 396                 if (ret)
 397                         return ret;
 398                 ret = adau1781_set_input_mode(adau, ADAU1781_RIGHT_PGA,
 399                         pdata->right_input_differential);
 400                 if (ret)
 401                         return ret;
 402         }
 403
 404         if (pdata && pdata->use_dmic) {
 405                 ret = snd_soc_dapm_new_controls(dapm,
 406                         adau1781_dmic_dapm_widgets,
 407                         ARRAY_SIZE(adau1781_dmic_dapm_widgets));
 408                 if (ret)
 409                         return ret;
 410                 ret = snd_soc_dapm_add_routes(dapm, adau1781_dmic_dapm_routes,
 411                         ARRAY_SIZE(adau1781_dmic_dapm_routes));
 412                 if (ret)
 413                         return ret;
 414         } else {
 415                 ret = snd_soc_dapm_add_routes(dapm, adau1781_adc_dapm_routes,
 416                         ARRAY_SIZE(adau1781_adc_dapm_routes));
 417                 if (ret)
 418                         return ret;
 419         }
 420
 421         ret = adau17x1_add_routes(component);
 422         if (ret < 0)
 423                 return ret;
 424
 425         return 0;
 426 }
 427
 428 static const struct snd_soc_component_driver adau1781_component_driver = {
 429         .probe                  = adau1781_component_probe,
 430         .resume                 = adau17x1_resume,
 431         .set_bias_level         = adau1781_set_bias_level,
 432         .controls               = adau1781_controls,
 433         .num_controls           = ARRAY_SIZE(adau1781_controls),
 434         .dapm_widgets           = adau1781_dapm_widgets,
 435         .num_dapm_widgets       = ARRAY_SIZE(adau1781_dapm_widgets),
 436         .dapm_routes            = adau1781_dapm_routes,
 437         .num_dapm_routes        = ARRAY_SIZE(adau1781_dapm_routes),
 438         .suspend_bias_off       = 1,
 439         .idle_bias_on           = 1,
 440         .use_pmdown_time        = 1,
 441         .endianness             = 1,
 442         .non_legacy_dai_naming  = 1,
 443 };
 444
 445 #define ADAU1781_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
 446         SNDRV_PCM_FMTBIT_S32_LE)
 447
 448 static struct snd_soc_dai_driver adau1781_dai_driver = {
 449         .name = "adau-hifi",
 450         .playback = {
 451                 .stream_name = "Playback",
 452                 .channels_min = 2,
 453                 .channels_max = 8,
 454                 .rates = SNDRV_PCM_RATE_8000_96000,
 455                 .formats = ADAU1781_FORMATS,
 456         },
 457         .capture = {
 458                 .stream_name = "Capture",
 459                 .channels_min = 2,
 460                 .channels_max = 8,
 461                 .rates = SNDRV_PCM_RATE_8000_96000,
 462                 .formats = ADAU1781_FORMATS,
 463         },
 464         .ops = &adau17x1_dai_ops,
 465 };
 466
 467 const struct regmap_config adau1781_regmap_config = {
 468         .val_bits               = 8,
 469         .reg_bits               = 16,
 470         .max_register           = 0x40f8,
 471         .reg_defaults           = adau1781_reg_defaults,
 472         .num_reg_defaults       = ARRAY_SIZE(adau1781_reg_defaults),
 473         .readable_reg           = adau1781_readable_register,
 474         .volatile_reg           = adau17x1_volatile_register,
 475         .precious_reg           = adau17x1_precious_register,
 476         .cache_type             = REGCACHE_RBTREE,
 477 };
 478 EXPORT_SYMBOL_GPL(adau1781_regmap_config);
 479
 480 int adau1781_probe(struct device *dev, struct regmap *regmap,
 481         enum adau17x1_type type, void (*switch_mode)(struct device *dev))
 482 {
 483         const char *firmware_name;
 484         int ret;
 485
 486         switch (type) {
 487         case ADAU1381:
 488                 firmware_name = ADAU1381_FIRMWARE;
 489                 break;
 490         case ADAU1781:
 491                 firmware_name = ADAU1781_FIRMWARE;
 492                 break;
 493         default:
 494                 return -EINVAL;
 495         }
 496
 497         ret = adau17x1_probe(dev, regmap, type, switch_mode, firmware_name);
 498         if (ret)
 499                 return ret;
 500
 501         return devm_snd_soc_register_component(dev, &adau1781_component_driver,
 502                 &adau1781_dai_driver, 1);
 503 }
 504 EXPORT_SYMBOL_GPL(adau1781_probe);
 505
 506 MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 driver");
 507 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
 508 MODULE_LICENSE("GPL");