sound/soc/codecs/adau1781.c

   1 /*
   2  * Driver for ADAU1381/ADAU1781 codec
   3  *
   4  * Copyright 2011-2013 Analog Devices Inc.
   5  * Author: Lars-Peter Clausen <lars@metafoo.de>
   6  *
   7  * Licensed under the GPL-2 or later.
   8  */
   9
  10 #include <linux/module.h>
  11 #include <linux/init.h>
  12 #include <linux/i2c.h>
  13 #include <linux/spi/spi.h>
  14 #include <linux/slab.h>
  15 #include <sound/core.h>
  16 #include <sound/pcm.h>
  17 #include <sound/pcm_params.h>
  18 #include <sound/soc.h>
  19 #include <sound/tlv.h>
  20 #include <linux/platform_data/adau17x1.h>
  21
  22 #include "adau17x1.h"
  23 #include "adau1781.h"
  24
  25 #define ADAU1781_DMIC_BEEP_CTRL         0x4008
  26 #define ADAU1781_LEFT_PGA               0x400e
  27 #define ADAU1781_RIGHT_PGA              0x400f
  28 #define ADAU1781_LEFT_PLAYBACK_MIXER    0x401c
  29 #define ADAU1781_RIGHT_PLAYBACK_MIXER   0x401e
  30 #define ADAU1781_MONO_PLAYBACK_MIXER    0x401f
  31 #define ADAU1781_LEFT_LINEOUT           0x4025
  32 #define ADAU1781_RIGHT_LINEOUT          0x4026
  33 #define ADAU1781_SPEAKER                0x4027
  34 #define ADAU1781_BEEP_ZC                0x4028
  35 #define ADAU1781_DEJITTER               0x4032
  36 #define ADAU1781_DIG_PWDN0              0x4080
  37 #define ADAU1781_DIG_PWDN1              0x4081
  38
  39 #define ADAU1781_INPUT_DIFFERNTIAL BIT(3)
  40
  41 #define ADAU1381_FIRMWARE "adau1381.bin"
  42 #define ADAU1781_FIRMWARE "adau1781.bin"
  43
  44 static const struct reg_default adau1781_reg_defaults[] = {
  45         { ADAU1781_DMIC_BEEP_CTRL,              0x00 },
  46         { ADAU1781_LEFT_PGA,                    0xc7 },
  47         { ADAU1781_RIGHT_PGA,                   0xc7 },
  48         { ADAU1781_LEFT_PLAYBACK_MIXER,         0x00 },
  49         { ADAU1781_RIGHT_PLAYBACK_MIXER,        0x00 },
  50         { ADAU1781_MONO_PLAYBACK_MIXER,         0x00 },
  51         { ADAU1781_LEFT_LINEOUT,                0x00 },
  52         { ADAU1781_RIGHT_LINEOUT,               0x00 },
  53         { ADAU1781_SPEAKER,                     0x00 },
  54         { ADAU1781_BEEP_ZC,                     0x19 },
  55         { ADAU1781_DEJITTER,                    0x60 },
  56         { ADAU1781_DIG_PWDN1,                   0x0c },
  57         { ADAU1781_DIG_PWDN1,                   0x00 },
  58         { ADAU17X1_CLOCK_CONTROL,               0x00 },
  59         { ADAU17X1_PLL_CONTROL,                 0x00 },
  60         { ADAU17X1_REC_POWER_MGMT,              0x00 },
  61         { ADAU17X1_MICBIAS,                     0x04 },
  62         { ADAU17X1_SERIAL_PORT0,                0x00 },
  63         { ADAU17X1_SERIAL_PORT1,                0x00 },
  64         { ADAU17X1_CONVERTER0,                  0x00 },
  65         { ADAU17X1_CONVERTER1,                  0x00 },
  66         { ADAU17X1_LEFT_INPUT_DIGITAL_VOL,      0x00 },
  67         { ADAU17X1_RIGHT_INPUT_DIGITAL_VOL,     0x00 },
  68         { ADAU17X1_ADC_CONTROL,                 0x00 },
  69         { ADAU17X1_PLAY_POWER_MGMT,             0x00 },
  70         { ADAU17X1_DAC_CONTROL0,                0x00 },
  71         { ADAU17X1_DAC_CONTROL1,                0x00 },
  72         { ADAU17X1_DAC_CONTROL2,                0x00 },
  73         { ADAU17X1_SERIAL_PORT_PAD,             0x00 },
  74         { ADAU17X1_CONTROL_PORT_PAD0,           0x00 },
  75         { ADAU17X1_CONTROL_PORT_PAD1,           0x00 },
  76         { ADAU17X1_DSP_SAMPLING_RATE,           0x01 },
  77         { ADAU17X1_SERIAL_INPUT_ROUTE,          0x00 },
  78         { ADAU17X1_SERIAL_OUTPUT_ROUTE,         0x00 },
  79         { ADAU17X1_DSP_ENABLE,                  0x00 },
  80         { ADAU17X1_DSP_RUN,                     0x00 },
  81         { ADAU17X1_SERIAL_SAMPLING_RATE,        0x00 },
  82 };
  83
  84 static const DECLARE_TLV_DB_SCALE(adau1781_speaker_tlv, 0, 200, 0);
  85
  86 static const DECLARE_TLV_DB_RANGE(adau1781_pga_tlv,
  87         0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
  88         2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
  89         4, 4, TLV_DB_SCALE_ITEM(1700, 0, 0),
  90         5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
  91 );
  92
  93 static const DECLARE_TLV_DB_RANGE(adau1781_beep_tlv,
  94         0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
  95         2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
  96         4, 4, TLV_DB_SCALE_ITEM(-2300, 0, 0),
  97         5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
  98 );
  99
 100 static const DECLARE_TLV_DB_SCALE(adau1781_sidetone_tlv, -1800, 300, 1);
 101
 102 static const char * const adau1781_speaker_bias_select_text[] = {
 103         "Normal operation", "Power saving", "Enhanced performance",
 104 };
 105
 106 static const char * const adau1781_bias_select_text[] = {
 107         "Normal operation", "Extreme power saving", "Power saving",
 108         "Enhanced performance",
 109 };
 110
 111 static SOC_ENUM_SINGLE_DECL(adau1781_adc_bias_enum,
 112                 ADAU17X1_REC_POWER_MGMT, 3, adau1781_bias_select_text);
 113 static SOC_ENUM_SINGLE_DECL(adau1781_speaker_bias_enum,
 114                 ADAU17X1_PLAY_POWER_MGMT, 6, adau1781_speaker_bias_select_text);
 115 static SOC_ENUM_SINGLE_DECL(adau1781_dac_bias_enum,
 116                 ADAU17X1_PLAY_POWER_MGMT, 4, adau1781_bias_select_text);
 117 static SOC_ENUM_SINGLE_DECL(adau1781_playback_bias_enum,
 118                 ADAU17X1_PLAY_POWER_MGMT, 2, adau1781_bias_select_text);
 119 static SOC_ENUM_SINGLE_DECL(adau1781_capture_bias_enum,
 120                 ADAU17X1_REC_POWER_MGMT, 1, adau1781_bias_select_text);
 121
 122 static const struct snd_kcontrol_new adau1781_controls[] = {
 123         SOC_SINGLE_TLV("Beep Capture Volume", ADAU1781_DMIC_BEEP_CTRL, 0, 7, 0,
 124                 adau1781_beep_tlv),
 125         SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAU1781_LEFT_PGA,
 126                 ADAU1781_RIGHT_PGA, 5, 7, 0, adau1781_pga_tlv),
 127         SOC_DOUBLE_R("PGA Capture Switch", ADAU1781_LEFT_PGA,
 128                 ADAU1781_RIGHT_PGA, 1, 1, 0),
 129
 130         SOC_DOUBLE_R("Lineout Playback Switch", ADAU1781_LEFT_LINEOUT,
 131                 ADAU1781_RIGHT_LINEOUT, 1, 1, 0),
 132         SOC_SINGLE("Beep ZC Switch", ADAU1781_BEEP_ZC, 0, 1, 0),
 133
 134         SOC_SINGLE("Mono Playback Switch", ADAU1781_MONO_PLAYBACK_MIXER,
 135                 0, 1, 0),
 136         SOC_SINGLE_TLV("Mono Playback Volume", ADAU1781_SPEAKER, 6, 3, 0,
 137                 adau1781_speaker_tlv),
 138
 139         SOC_ENUM("ADC Bias", adau1781_adc_bias_enum),
 140         SOC_ENUM("DAC Bias", adau1781_dac_bias_enum),
 141         SOC_ENUM("Capture Bias", adau1781_capture_bias_enum),
 142         SOC_ENUM("Playback Bias", adau1781_playback_bias_enum),
 143         SOC_ENUM("Speaker Bias", adau1781_speaker_bias_enum),
 144 };
 145
 146 static const struct snd_kcontrol_new adau1781_beep_mixer_controls[] = {
 147         SOC_DAPM_SINGLE("Beep Capture Switch", ADAU1781_DMIC_BEEP_CTRL,
 148                 3, 1, 0),
 149 };
 150
 151 static const struct snd_kcontrol_new adau1781_left_mixer_controls[] = {
 152         SOC_DAPM_SINGLE_AUTODISABLE("Switch",
 153                 ADAU1781_LEFT_PLAYBACK_MIXER, 5, 1, 0),
 154         SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
 155                 ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
 156 };
 157
 158 static const struct snd_kcontrol_new adau1781_right_mixer_controls[] = {
 159         SOC_DAPM_SINGLE_AUTODISABLE("Switch",
 160                 ADAU1781_RIGHT_PLAYBACK_MIXER, 6, 1, 0),
 161         SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
 162                 ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
 163 };
 164
 165 static const struct snd_kcontrol_new adau1781_mono_mixer_controls[] = {
 166         SOC_DAPM_SINGLE_AUTODISABLE("Left Switch",
 167                 ADAU1781_MONO_PLAYBACK_MIXER, 7, 1, 0),
 168         SOC_DAPM_SINGLE_AUTODISABLE("Right Switch",
 169                  ADAU1781_MONO_PLAYBACK_MIXER, 6, 1, 0),
 170         SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
 171                 ADAU1781_MONO_PLAYBACK_MIXER, 2, 8, 0, adau1781_sidetone_tlv),
 172 };
 173
 174 static int adau1781_dejitter_fixup(struct snd_soc_dapm_widget *w,
 175         struct snd_kcontrol *kcontrol, int event)
 176 {
 177         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 178         struct adau *adau = snd_soc_codec_get_drvdata(codec);
 179
 180         /* After any power changes have been made the dejitter circuit
 181          * has to be reinitialized. */
 182         regmap_write(adau->regmap, ADAU1781_DEJITTER, 0);
 183         if (!adau->master)
 184                 regmap_write(adau->regmap, ADAU1781_DEJITTER, 5);
 185
 186         return 0;
 187 }
 188
 189 static const struct snd_soc_dapm_widget adau1781_dapm_widgets[] = {
 190         SND_SOC_DAPM_PGA("Left PGA", ADAU1781_LEFT_PGA, 0, 0, NULL, 0),
 191         SND_SOC_DAPM_PGA("Right PGA", ADAU1781_RIGHT_PGA, 0, 0, NULL, 0),
 192
 193         SND_SOC_DAPM_OUT_DRV("Speaker", ADAU1781_SPEAKER, 0, 0, NULL, 0),
 194
 195         SOC_MIXER_NAMED_CTL_ARRAY("Beep Mixer", ADAU17X1_MICBIAS, 4, 0,
 196                 adau1781_beep_mixer_controls),
 197
 198         SOC_MIXER_ARRAY("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
 199                 adau1781_left_mixer_controls),
 200         SOC_MIXER_ARRAY("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
 201                 adau1781_right_mixer_controls),
 202         SOC_MIXER_ARRAY("Mono Mixer", SND_SOC_NOPM, 0, 0,
 203                 adau1781_mono_mixer_controls),
 204
 205         SND_SOC_DAPM_SUPPLY("Serial Input Routing", ADAU1781_DIG_PWDN0,
 206                 2, 0, NULL, 0),
 207         SND_SOC_DAPM_SUPPLY("Serial Output Routing", ADAU1781_DIG_PWDN0,
 208                 3, 0, NULL, 0),
 209         SND_SOC_DAPM_SUPPLY("Clock Domain Transfer", ADAU1781_DIG_PWDN0,
 210                 5, 0, NULL, 0),
 211         SND_SOC_DAPM_SUPPLY("Serial Ports", ADAU1781_DIG_PWDN0, 4, 0, NULL, 0),
 212         SND_SOC_DAPM_SUPPLY("ADC Engine", ADAU1781_DIG_PWDN0, 7, 0, NULL, 0),
 213         SND_SOC_DAPM_SUPPLY("DAC Engine", ADAU1781_DIG_PWDN1, 0, 0, NULL, 0),
 214         SND_SOC_DAPM_SUPPLY("Digital Mic", ADAU1781_DIG_PWDN1, 1, 0, NULL, 0),
 215
 216         SND_SOC_DAPM_SUPPLY("Sound Engine", ADAU1781_DIG_PWDN0, 0, 0, NULL, 0),
 217         SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, ADAU1781_DIG_PWDN0, 1, 0, NULL, 0),
 218
 219         SND_SOC_DAPM_SUPPLY("Zero Crossing Detector", ADAU1781_DIG_PWDN1, 2, 0,
 220                 NULL, 0),
 221
 222         SND_SOC_DAPM_POST("Dejitter fixup", adau1781_dejitter_fixup),
 223
 224         SND_SOC_DAPM_INPUT("BEEP"),
 225
 226         SND_SOC_DAPM_OUTPUT("AOUTL"),
 227         SND_SOC_DAPM_OUTPUT("AOUTR"),
 228         SND_SOC_DAPM_OUTPUT("SP"),
 229         SND_SOC_DAPM_INPUT("LMIC"),
 230         SND_SOC_DAPM_INPUT("RMIC"),
 231 };
 232
 233 static const struct snd_soc_dapm_route adau1781_dapm_routes[] = {
 234         { "Left Lineout Mixer", NULL, "Left Playback Enable" },
 235         { "Right Lineout Mixer", NULL, "Right Playback Enable" },
 236
 237         { "Left Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
 238         { "Left Lineout Mixer", "Switch", "Left DAC" },
 239
 240         { "Right Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
 241         { "Right Lineout Mixer", "Switch", "Right DAC" },
 242
 243         { "Mono Mixer", "Beep Playback Volume", "Beep Mixer" },
 244         { "Mono Mixer", "Right Switch", "Right DAC" },
 245         { "Mono Mixer", "Left Switch", "Left DAC" },
 246         { "Speaker", NULL, "Mono Mixer" },
 247
 248         { "Mono Mixer", NULL, "SYSCLK" },
 249         { "Left Lineout Mixer", NULL, "SYSCLK" },
 250         { "Left Lineout Mixer", NULL, "SYSCLK" },
 251
 252         { "Beep Mixer", "Beep Capture Switch", "BEEP" },
 253         { "Beep Mixer", NULL, "Zero Crossing Detector" },
 254
 255         { "Left DAC", NULL, "DAC Engine" },
 256         { "Right DAC", NULL, "DAC Engine" },
 257
 258         { "Sound Engine", NULL, "SYSCLK" },
 259         { "DSP", NULL, "Sound Engine" },
 260
 261         { "Left Decimator", NULL, "ADC Engine" },
 262         { "Right Decimator", NULL, "ADC Engine" },
 263
 264         { "AIFCLK", NULL, "SYSCLK" },
 265
 266         { "Playback", NULL, "Serial Input Routing" },
 267         { "Playback", NULL, "Serial Ports" },
 268         { "Playback", NULL, "Clock Domain Transfer" },
 269         { "Capture", NULL, "Serial Output Routing" },
 270         { "Capture", NULL, "Serial Ports" },
 271         { "Capture", NULL, "Clock Domain Transfer" },
 272
 273         { "AOUTL", NULL, "Left Lineout Mixer" },
 274         { "AOUTR", NULL, "Right Lineout Mixer" },
 275         { "SP", NULL, "Speaker" },
 276 };
 277
 278 static const struct snd_soc_dapm_route adau1781_adc_dapm_routes[] = {
 279         { "Left PGA", NULL, "LMIC" },
 280         { "Right PGA", NULL, "RMIC" },
 281
 282         { "Left Decimator", NULL, "Left PGA" },
 283         { "Right Decimator", NULL, "Right PGA" },
 284 };
 285
 286 static const char * const adau1781_dmic_select_text[] = {
 287         "DMIC1", "DMIC2",
 288 };
 289
 290 static SOC_ENUM_SINGLE_VIRT_DECL(adau1781_dmic_select_enum,
 291         adau1781_dmic_select_text);
 292
 293 static const struct snd_kcontrol_new adau1781_dmic_mux =
 294         SOC_DAPM_ENUM("DMIC Select", adau1781_dmic_select_enum);
 295
 296 static const struct snd_soc_dapm_widget adau1781_dmic_dapm_widgets[] = {
 297         SND_SOC_DAPM_MUX("DMIC Select", SND_SOC_NOPM, 0, 0, &adau1781_dmic_mux),
 298
 299         SND_SOC_DAPM_ADC("DMIC1", NULL, ADAU1781_DMIC_BEEP_CTRL, 4, 0),
 300         SND_SOC_DAPM_ADC("DMIC2", NULL, ADAU1781_DMIC_BEEP_CTRL, 5, 0),
 301 };
 302
 303 static const struct snd_soc_dapm_route adau1781_dmic_dapm_routes[] = {
 304         { "DMIC1", NULL, "LMIC" },
 305         { "DMIC2", NULL, "RMIC" },
 306
 307         { "DMIC1", NULL, "Digital Mic" },
 308         { "DMIC2", NULL, "Digital Mic" },
 309
 310         { "DMIC Select", "DMIC1", "DMIC1" },
 311         { "DMIC Select", "DMIC2", "DMIC2" },
 312
 313         { "Left Decimator", NULL, "DMIC Select" },
 314         { "Right Decimator", NULL, "DMIC Select" },
 315 };
 316
 317 static int adau1781_set_bias_level(struct snd_soc_codec *codec,
 318                 enum snd_soc_bias_level level)
 319 {
 320         struct adau *adau = snd_soc_codec_get_drvdata(codec);
 321
 322         switch (level) {
 323         case SND_SOC_BIAS_ON:
 324                 break;
 325         case SND_SOC_BIAS_PREPARE:
 326                 break;
 327         case SND_SOC_BIAS_STANDBY:
 328                 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
 329                         ADAU17X1_CLOCK_CONTROL_SYSCLK_EN,
 330                         ADAU17X1_CLOCK_CONTROL_SYSCLK_EN);
 331
 332                 /* Precharge */
 333                 regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0x8, 0x8);
 334                 break;
 335         case SND_SOC_BIAS_OFF:
 336                 regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0xc, 0x0);
 337                 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
 338                         ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 0);
 339                 break;
 340         }
 341
 342         return 0;
 343 }
 344
 345 static bool adau1781_readable_register(struct device *dev, unsigned int reg)
 346 {
 347         switch (reg) {
 348         case ADAU1781_DMIC_BEEP_CTRL:
 349         case ADAU1781_LEFT_PGA:
 350         case ADAU1781_RIGHT_PGA:
 351         case ADAU1781_LEFT_PLAYBACK_MIXER:
 352         case ADAU1781_RIGHT_PLAYBACK_MIXER:
 353         case ADAU1781_MONO_PLAYBACK_MIXER:
 354         case ADAU1781_LEFT_LINEOUT:
 355         case ADAU1781_RIGHT_LINEOUT:
 356         case ADAU1781_SPEAKER:
 357         case ADAU1781_BEEP_ZC:
 358         case ADAU1781_DEJITTER:
 359         case ADAU1781_DIG_PWDN0:
 360         case ADAU1781_DIG_PWDN1:
 361                 return true;
 362         default:
 363                 break;
 364         }
 365
 366         return adau17x1_readable_register(dev, reg);
 367 }
 368
 369 static int adau1781_set_input_mode(struct adau *adau, unsigned int reg,
 370         bool differential)
 371 {
 372         unsigned int val;
 373
 374         if (differential)
 375                 val = ADAU1781_INPUT_DIFFERNTIAL;
 376         else
 377                 val = 0;
 378
 379         return regmap_update_bits(adau->regmap, reg,
 380                 ADAU1781_INPUT_DIFFERNTIAL, val);
 381 }
 382
 383 static int adau1781_codec_probe(struct snd_soc_codec *codec)
 384 {
 385         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
 386         struct adau1781_platform_data *pdata = dev_get_platdata(codec->dev);
 387         struct adau *adau = snd_soc_codec_get_drvdata(codec);
 388         int ret;
 389
 390         ret = adau17x1_add_widgets(codec);
 391         if (ret)
 392                 return ret;
 393
 394         if (pdata) {
 395                 ret = adau1781_set_input_mode(adau, ADAU1781_LEFT_PGA,
 396                         pdata->left_input_differential);
 397                 if (ret)
 398                         return ret;
 399                 ret = adau1781_set_input_mode(adau, ADAU1781_RIGHT_PGA,
 400                         pdata->right_input_differential);
 401                 if (ret)
 402                         return ret;
 403         }
 404
 405         if (pdata && pdata->use_dmic) {
 406                 ret = snd_soc_dapm_new_controls(dapm,
 407                         adau1781_dmic_dapm_widgets,
 408                         ARRAY_SIZE(adau1781_dmic_dapm_widgets));
 409                 if (ret)
 410                         return ret;
 411                 ret = snd_soc_dapm_add_routes(dapm, adau1781_dmic_dapm_routes,
 412                         ARRAY_SIZE(adau1781_dmic_dapm_routes));
 413                 if (ret)
 414                         return ret;
 415         } else {
 416                 ret = snd_soc_dapm_add_routes(dapm, adau1781_adc_dapm_routes,
 417                         ARRAY_SIZE(adau1781_adc_dapm_routes));
 418                 if (ret)
 419                         return ret;
 420         }
 421
 422         ret = adau17x1_add_routes(codec);
 423         if (ret < 0)
 424                 return ret;
 425
 426         return 0;
 427 }
 428
 429 static const struct snd_soc_codec_driver adau1781_codec_driver = {
 430         .probe = adau1781_codec_probe,
 431         .resume = adau17x1_resume,
 432         .set_bias_level = adau1781_set_bias_level,
 433         .suspend_bias_off = true,
 434
 435         .component_driver = {
 436                 .controls               = adau1781_controls,
 437                 .num_controls           = ARRAY_SIZE(adau1781_controls),
 438                 .dapm_widgets           = adau1781_dapm_widgets,
 439                 .num_dapm_widgets       = ARRAY_SIZE(adau1781_dapm_widgets),
 440                 .dapm_routes            = adau1781_dapm_routes,
 441                 .num_dapm_routes        = ARRAY_SIZE(adau1781_dapm_routes),
 442         },
 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 snd_soc_register_codec(dev, &adau1781_codec_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");