linux/sound/soc/codecs/da7219.c
<<
>>
Prefs
   1/*
   2 * da7219.c - DA7219 ALSA SoC Codec Driver
   3 *
   4 * Copyright (c) 2015 Dialog Semiconductor
   5 *
   6 * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
   7 *
   8 * This program is free software; you can redistribute  it and/or modify it
   9 * under  the terms of  the GNU General  Public License as published by the
  10 * Free Software Foundation;  either version 2 of the  License, or (at your
  11 * option) any later version.
  12 */
  13
  14#include <linux/acpi.h>
  15#include <linux/clk.h>
  16#include <linux/clkdev.h>
  17#include <linux/clk-provider.h>
  18#include <linux/i2c.h>
  19#include <linux/of_device.h>
  20#include <linux/property.h>
  21#include <linux/regmap.h>
  22#include <linux/slab.h>
  23#include <linux/pm.h>
  24#include <linux/module.h>
  25#include <linux/delay.h>
  26#include <linux/regulator/consumer.h>
  27#include <sound/pcm.h>
  28#include <sound/pcm_params.h>
  29#include <sound/soc.h>
  30#include <sound/soc-dapm.h>
  31#include <sound/initval.h>
  32#include <sound/tlv.h>
  33#include <asm/div64.h>
  34
  35#include <sound/da7219.h>
  36#include "da7219.h"
  37#include "da7219-aad.h"
  38
  39
  40/*
  41 * TLVs and Enums
  42 */
  43
  44/* Input TLVs */
  45static const DECLARE_TLV_DB_SCALE(da7219_mic_gain_tlv, -600, 600, 0);
  46static const DECLARE_TLV_DB_SCALE(da7219_mixin_gain_tlv, -450, 150, 0);
  47static const DECLARE_TLV_DB_SCALE(da7219_adc_dig_gain_tlv, -8325, 75, 0);
  48static const DECLARE_TLV_DB_SCALE(da7219_alc_threshold_tlv, -9450, 150, 0);
  49static const DECLARE_TLV_DB_SCALE(da7219_alc_gain_tlv, 0, 600, 0);
  50static const DECLARE_TLV_DB_SCALE(da7219_alc_ana_gain_tlv, 0, 600, 0);
  51static const DECLARE_TLV_DB_SCALE(da7219_sidetone_gain_tlv, -4200, 300, 0);
  52static const DECLARE_TLV_DB_SCALE(da7219_tonegen_gain_tlv, -4500, 300, 0);
  53
  54/* Output TLVs */
  55static const DECLARE_TLV_DB_SCALE(da7219_dac_eq_band_tlv, -1050, 150, 0);
  56
  57static const DECLARE_TLV_DB_RANGE(da7219_dac_dig_gain_tlv,
  58        0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  59        /* -77.25dB to 12dB */
  60        0x08, 0x7f, TLV_DB_SCALE_ITEM(-7725, 75, 0)
  61);
  62
  63static const DECLARE_TLV_DB_SCALE(da7219_dac_ng_threshold_tlv, -10200, 600, 0);
  64static const DECLARE_TLV_DB_SCALE(da7219_hp_gain_tlv, -5700, 100, 0);
  65
  66/* Input Enums */
  67static const char * const da7219_alc_attack_rate_txt[] = {
  68        "7.33/fs", "14.66/fs", "29.32/fs", "58.64/fs", "117.3/fs", "234.6/fs",
  69        "469.1/fs", "938.2/fs", "1876/fs", "3753/fs", "7506/fs", "15012/fs",
  70        "30024/fs"
  71};
  72
  73static const struct soc_enum da7219_alc_attack_rate =
  74        SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_ATTACK_SHIFT,
  75                        DA7219_ALC_ATTACK_MAX, da7219_alc_attack_rate_txt);
  76
  77static const char * const da7219_alc_release_rate_txt[] = {
  78        "28.66/fs", "57.33/fs", "114.6/fs", "229.3/fs", "458.6/fs", "917.1/fs",
  79        "1834/fs", "3668/fs", "7337/fs", "14674/fs", "29348/fs"
  80};
  81
  82static const struct soc_enum da7219_alc_release_rate =
  83        SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_RELEASE_SHIFT,
  84                        DA7219_ALC_RELEASE_MAX, da7219_alc_release_rate_txt);
  85
  86static const char * const da7219_alc_hold_time_txt[] = {
  87        "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
  88        "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
  89        "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
  90};
  91
  92static const struct soc_enum da7219_alc_hold_time =
  93        SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_HOLD_SHIFT,
  94                        DA7219_ALC_HOLD_MAX, da7219_alc_hold_time_txt);
  95
  96static const char * const da7219_alc_env_rate_txt[] = {
  97        "1/4", "1/16", "1/256", "1/65536"
  98};
  99
 100static const struct soc_enum da7219_alc_env_attack_rate =
 101        SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_ATTACK_SHIFT,
 102                        DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
 103
 104static const struct soc_enum da7219_alc_env_release_rate =
 105        SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_RELEASE_SHIFT,
 106                        DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
 107
 108static const char * const da7219_alc_anticlip_step_txt[] = {
 109        "0.034dB/fs", "0.068dB/fs", "0.136dB/fs", "0.272dB/fs"
 110};
 111
 112static const struct soc_enum da7219_alc_anticlip_step =
 113        SOC_ENUM_SINGLE(DA7219_ALC_ANTICLIP_CTRL,
 114                        DA7219_ALC_ANTICLIP_STEP_SHIFT,
 115                        DA7219_ALC_ANTICLIP_STEP_MAX,
 116                        da7219_alc_anticlip_step_txt);
 117
 118/* Input/Output Enums */
 119static const char * const da7219_gain_ramp_rate_txt[] = {
 120        "Nominal Rate * 8", "Nominal Rate", "Nominal Rate / 8",
 121        "Nominal Rate / 16"
 122};
 123
 124static const struct soc_enum da7219_gain_ramp_rate =
 125        SOC_ENUM_SINGLE(DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_SHIFT,
 126                        DA7219_GAIN_RAMP_RATE_MAX, da7219_gain_ramp_rate_txt);
 127
 128static const char * const da7219_hpf_mode_txt[] = {
 129        "Disabled", "Audio", "Voice"
 130};
 131
 132static const unsigned int da7219_hpf_mode_val[] = {
 133        DA7219_HPF_DISABLED, DA7219_HPF_AUDIO_EN, DA7219_HPF_VOICE_EN,
 134};
 135
 136static const struct soc_enum da7219_adc_hpf_mode =
 137        SOC_VALUE_ENUM_SINGLE(DA7219_ADC_FILTERS1, DA7219_HPF_MODE_SHIFT,
 138                              DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
 139                              da7219_hpf_mode_txt, da7219_hpf_mode_val);
 140
 141static const struct soc_enum da7219_dac_hpf_mode =
 142        SOC_VALUE_ENUM_SINGLE(DA7219_DAC_FILTERS1, DA7219_HPF_MODE_SHIFT,
 143                              DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
 144                              da7219_hpf_mode_txt, da7219_hpf_mode_val);
 145
 146static const char * const da7219_audio_hpf_corner_txt[] = {
 147        "2Hz", "4Hz", "8Hz", "16Hz"
 148};
 149
 150static const struct soc_enum da7219_adc_audio_hpf_corner =
 151        SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
 152                        DA7219_ADC_AUDIO_HPF_CORNER_SHIFT,
 153                        DA7219_AUDIO_HPF_CORNER_MAX,
 154                        da7219_audio_hpf_corner_txt);
 155
 156static const struct soc_enum da7219_dac_audio_hpf_corner =
 157        SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
 158                        DA7219_DAC_AUDIO_HPF_CORNER_SHIFT,
 159                        DA7219_AUDIO_HPF_CORNER_MAX,
 160                        da7219_audio_hpf_corner_txt);
 161
 162static const char * const da7219_voice_hpf_corner_txt[] = {
 163        "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
 164};
 165
 166static const struct soc_enum da7219_adc_voice_hpf_corner =
 167        SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
 168                        DA7219_ADC_VOICE_HPF_CORNER_SHIFT,
 169                        DA7219_VOICE_HPF_CORNER_MAX,
 170                        da7219_voice_hpf_corner_txt);
 171
 172static const struct soc_enum da7219_dac_voice_hpf_corner =
 173        SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
 174                        DA7219_DAC_VOICE_HPF_CORNER_SHIFT,
 175                        DA7219_VOICE_HPF_CORNER_MAX,
 176                        da7219_voice_hpf_corner_txt);
 177
 178static const char * const da7219_tonegen_dtmf_key_txt[] = {
 179        "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
 180        "*", "#"
 181};
 182
 183static const struct soc_enum da7219_tonegen_dtmf_key =
 184        SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG1, DA7219_DTMF_REG_SHIFT,
 185                        DA7219_DTMF_REG_MAX, da7219_tonegen_dtmf_key_txt);
 186
 187static const char * const da7219_tonegen_swg_sel_txt[] = {
 188        "Sum", "SWG1", "SWG2", "SWG1_1-Cos"
 189};
 190
 191static const struct soc_enum da7219_tonegen_swg_sel =
 192        SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG2, DA7219_SWG_SEL_SHIFT,
 193                        DA7219_SWG_SEL_MAX, da7219_tonegen_swg_sel_txt);
 194
 195/* Output Enums */
 196static const char * const da7219_dac_softmute_rate_txt[] = {
 197        "1 Sample", "2 Samples", "4 Samples", "8 Samples", "16 Samples",
 198        "32 Samples", "64 Samples"
 199};
 200
 201static const struct soc_enum da7219_dac_softmute_rate =
 202        SOC_ENUM_SINGLE(DA7219_DAC_FILTERS5, DA7219_DAC_SOFTMUTE_RATE_SHIFT,
 203                        DA7219_DAC_SOFTMUTE_RATE_MAX,
 204                        da7219_dac_softmute_rate_txt);
 205
 206static const char * const da7219_dac_ng_setup_time_txt[] = {
 207        "256 Samples", "512 Samples", "1024 Samples", "2048 Samples"
 208};
 209
 210static const struct soc_enum da7219_dac_ng_setup_time =
 211        SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
 212                        DA7219_DAC_NG_SETUP_TIME_SHIFT,
 213                        DA7219_DAC_NG_SETUP_TIME_MAX,
 214                        da7219_dac_ng_setup_time_txt);
 215
 216static const char * const da7219_dac_ng_rampup_txt[] = {
 217        "0.22ms/dB", "0.0138ms/dB"
 218};
 219
 220static const struct soc_enum da7219_dac_ng_rampup_rate =
 221        SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
 222                        DA7219_DAC_NG_RAMPUP_RATE_SHIFT,
 223                        DA7219_DAC_NG_RAMP_RATE_MAX,
 224                        da7219_dac_ng_rampup_txt);
 225
 226static const char * const da7219_dac_ng_rampdown_txt[] = {
 227        "0.88ms/dB", "14.08ms/dB"
 228};
 229
 230static const struct soc_enum da7219_dac_ng_rampdown_rate =
 231        SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
 232                        DA7219_DAC_NG_RAMPDN_RATE_SHIFT,
 233                        DA7219_DAC_NG_RAMP_RATE_MAX,
 234                        da7219_dac_ng_rampdown_txt);
 235
 236
 237static const char * const da7219_cp_track_mode_txt[] = {
 238        "Largest Volume", "DAC Volume", "Signal Magnitude"
 239};
 240
 241static const unsigned int da7219_cp_track_mode_val[] = {
 242        DA7219_CP_MCHANGE_LARGEST_VOL, DA7219_CP_MCHANGE_DAC_VOL,
 243        DA7219_CP_MCHANGE_SIG_MAG
 244};
 245
 246static const struct soc_enum da7219_cp_track_mode =
 247        SOC_VALUE_ENUM_SINGLE(DA7219_CP_CTRL, DA7219_CP_MCHANGE_SHIFT,
 248                              DA7219_CP_MCHANGE_REL_MASK, DA7219_CP_MCHANGE_MAX,
 249                              da7219_cp_track_mode_txt,
 250                              da7219_cp_track_mode_val);
 251
 252
 253/*
 254 * Control Functions
 255 */
 256
 257/* Locked Kcontrol calls */
 258static int da7219_volsw_locked_get(struct snd_kcontrol *kcontrol,
 259                                   struct snd_ctl_elem_value *ucontrol)
 260{
 261        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 262        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 263        int ret;
 264
 265        mutex_lock(&da7219->ctrl_lock);
 266        ret = snd_soc_get_volsw(kcontrol, ucontrol);
 267        mutex_unlock(&da7219->ctrl_lock);
 268
 269        return ret;
 270}
 271
 272static int da7219_volsw_locked_put(struct snd_kcontrol *kcontrol,
 273                                   struct snd_ctl_elem_value *ucontrol)
 274{
 275        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 276        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 277        int ret;
 278
 279        mutex_lock(&da7219->ctrl_lock);
 280        ret = snd_soc_put_volsw(kcontrol, ucontrol);
 281        mutex_unlock(&da7219->ctrl_lock);
 282
 283        return ret;
 284}
 285
 286static int da7219_enum_locked_get(struct snd_kcontrol *kcontrol,
 287                                struct snd_ctl_elem_value *ucontrol)
 288{
 289        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 290        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 291        int ret;
 292
 293        mutex_lock(&da7219->ctrl_lock);
 294        ret = snd_soc_get_enum_double(kcontrol, ucontrol);
 295        mutex_unlock(&da7219->ctrl_lock);
 296
 297        return ret;
 298}
 299
 300static int da7219_enum_locked_put(struct snd_kcontrol *kcontrol,
 301                                struct snd_ctl_elem_value *ucontrol)
 302{
 303        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 304        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 305        int ret;
 306
 307        mutex_lock(&da7219->ctrl_lock);
 308        ret = snd_soc_put_enum_double(kcontrol, ucontrol);
 309        mutex_unlock(&da7219->ctrl_lock);
 310
 311        return ret;
 312}
 313
 314/* ALC */
 315static void da7219_alc_calib(struct snd_soc_component *component)
 316{
 317        u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl;
 318
 319        /* Save current state of mic control register */
 320        mic_ctrl = snd_soc_component_read32(component, DA7219_MIC_1_CTRL);
 321
 322        /* Save current state of input mixer control register */
 323        mixin_ctrl = snd_soc_component_read32(component, DA7219_MIXIN_L_CTRL);
 324
 325        /* Save current state of input ADC control register */
 326        adc_ctrl = snd_soc_component_read32(component, DA7219_ADC_L_CTRL);
 327
 328        /* Enable then Mute MIC PGAs */
 329        snd_soc_component_update_bits(component, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK,
 330                            DA7219_MIC_1_AMP_EN_MASK);
 331        snd_soc_component_update_bits(component, DA7219_MIC_1_CTRL,
 332                            DA7219_MIC_1_AMP_MUTE_EN_MASK,
 333                            DA7219_MIC_1_AMP_MUTE_EN_MASK);
 334
 335        /* Enable input mixers unmuted */
 336        snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL,
 337                            DA7219_MIXIN_L_AMP_EN_MASK |
 338                            DA7219_MIXIN_L_AMP_MUTE_EN_MASK,
 339                            DA7219_MIXIN_L_AMP_EN_MASK);
 340
 341        /* Enable input filters unmuted */
 342        snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL,
 343                            DA7219_ADC_L_MUTE_EN_MASK | DA7219_ADC_L_EN_MASK,
 344                            DA7219_ADC_L_EN_MASK);
 345
 346        /* Perform auto calibration */
 347        snd_soc_component_update_bits(component, DA7219_ALC_CTRL1,
 348                            DA7219_ALC_AUTO_CALIB_EN_MASK,
 349                            DA7219_ALC_AUTO_CALIB_EN_MASK);
 350        do {
 351                calib_ctrl = snd_soc_component_read32(component, DA7219_ALC_CTRL1);
 352        } while (calib_ctrl & DA7219_ALC_AUTO_CALIB_EN_MASK);
 353
 354        /* If auto calibration fails, disable DC offset, hybrid ALC */
 355        if (calib_ctrl & DA7219_ALC_CALIB_OVERFLOW_MASK) {
 356                dev_warn(component->dev,
 357                         "ALC auto calibration failed with overflow\n");
 358                snd_soc_component_update_bits(component, DA7219_ALC_CTRL1,
 359                                    DA7219_ALC_OFFSET_EN_MASK |
 360                                    DA7219_ALC_SYNC_MODE_MASK, 0);
 361        } else {
 362                /* Enable DC offset cancellation, hybrid mode */
 363                snd_soc_component_update_bits(component, DA7219_ALC_CTRL1,
 364                                    DA7219_ALC_OFFSET_EN_MASK |
 365                                    DA7219_ALC_SYNC_MODE_MASK,
 366                                    DA7219_ALC_OFFSET_EN_MASK |
 367                                    DA7219_ALC_SYNC_MODE_MASK);
 368        }
 369
 370        /* Restore input filter control register to original state */
 371        snd_soc_component_write(component, DA7219_ADC_L_CTRL, adc_ctrl);
 372
 373        /* Restore input mixer control registers to original state */
 374        snd_soc_component_write(component, DA7219_MIXIN_L_CTRL, mixin_ctrl);
 375
 376        /* Restore MIC control registers to original states */
 377        snd_soc_component_write(component, DA7219_MIC_1_CTRL, mic_ctrl);
 378}
 379
 380static int da7219_mixin_gain_put(struct snd_kcontrol *kcontrol,
 381                                 struct snd_ctl_elem_value *ucontrol)
 382{
 383        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 384        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 385        int ret;
 386
 387        ret = snd_soc_put_volsw(kcontrol, ucontrol);
 388
 389        /*
 390         * If ALC in operation and value of control has been updated,
 391         * make sure calibrated offsets are updated.
 392         */
 393        if ((ret == 1) && (da7219->alc_en))
 394                da7219_alc_calib(component);
 395
 396        return ret;
 397}
 398
 399static int da7219_alc_sw_put(struct snd_kcontrol *kcontrol,
 400                             struct snd_ctl_elem_value *ucontrol)
 401{
 402        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 403        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 404
 405
 406        /* Force ALC offset calibration if enabling ALC */
 407        if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) {
 408                da7219_alc_calib(component);
 409                da7219->alc_en = true;
 410        } else {
 411                da7219->alc_en = false;
 412        }
 413
 414        return snd_soc_put_volsw(kcontrol, ucontrol);
 415}
 416
 417/* ToneGen */
 418static int da7219_tonegen_freq_get(struct snd_kcontrol *kcontrol,
 419                                   struct snd_ctl_elem_value *ucontrol)
 420{
 421        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 422        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 423        struct soc_mixer_control *mixer_ctrl =
 424                (struct soc_mixer_control *) kcontrol->private_value;
 425        unsigned int reg = mixer_ctrl->reg;
 426        u16 val;
 427        int ret;
 428
 429        mutex_lock(&da7219->ctrl_lock);
 430        ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val));
 431        mutex_unlock(&da7219->ctrl_lock);
 432
 433        if (ret)
 434                return ret;
 435
 436        /*
 437         * Frequency value spans two 8-bit registers, lower then upper byte.
 438         * Therefore we need to convert to host endianness here.
 439         */
 440        ucontrol->value.integer.value[0] = le16_to_cpu(val);
 441
 442        return 0;
 443}
 444
 445static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
 446                                   struct snd_ctl_elem_value *ucontrol)
 447{
 448        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 449        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 450        struct soc_mixer_control *mixer_ctrl =
 451                (struct soc_mixer_control *) kcontrol->private_value;
 452        unsigned int reg = mixer_ctrl->reg;
 453        u16 val;
 454        int ret;
 455
 456        /*
 457         * Frequency value spans two 8-bit registers, lower then upper byte.
 458         * Therefore we need to convert to little endian here to align with
 459         * HW registers.
 460         */
 461        val = cpu_to_le16(ucontrol->value.integer.value[0]);
 462
 463        mutex_lock(&da7219->ctrl_lock);
 464        ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
 465        mutex_unlock(&da7219->ctrl_lock);
 466
 467        return ret;
 468}
 469
 470
 471/*
 472 * KControls
 473 */
 474
 475static const struct snd_kcontrol_new da7219_snd_controls[] = {
 476        /* Mics */
 477        SOC_SINGLE_TLV("Mic Volume", DA7219_MIC_1_GAIN,
 478                       DA7219_MIC_1_AMP_GAIN_SHIFT, DA7219_MIC_1_AMP_GAIN_MAX,
 479                       DA7219_NO_INVERT, da7219_mic_gain_tlv),
 480        SOC_SINGLE("Mic Switch", DA7219_MIC_1_CTRL,
 481                   DA7219_MIC_1_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 482                   DA7219_INVERT),
 483
 484        /* Mixer Input */
 485        SOC_SINGLE_EXT_TLV("Mixin Volume", DA7219_MIXIN_L_GAIN,
 486                           DA7219_MIXIN_L_AMP_GAIN_SHIFT,
 487                           DA7219_MIXIN_L_AMP_GAIN_MAX, DA7219_NO_INVERT,
 488                           snd_soc_get_volsw, da7219_mixin_gain_put,
 489                           da7219_mixin_gain_tlv),
 490        SOC_SINGLE("Mixin Switch", DA7219_MIXIN_L_CTRL,
 491                   DA7219_MIXIN_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 492                   DA7219_INVERT),
 493        SOC_SINGLE("Mixin Gain Ramp Switch", DA7219_MIXIN_L_CTRL,
 494                   DA7219_MIXIN_L_AMP_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 495                   DA7219_NO_INVERT),
 496        SOC_SINGLE("Mixin ZC Gain Switch", DA7219_MIXIN_L_CTRL,
 497                   DA7219_MIXIN_L_AMP_ZC_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 498                   DA7219_NO_INVERT),
 499
 500        /* ADC */
 501        SOC_SINGLE_TLV("Capture Digital Volume", DA7219_ADC_L_GAIN,
 502                       DA7219_ADC_L_DIGITAL_GAIN_SHIFT,
 503                       DA7219_ADC_L_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
 504                       da7219_adc_dig_gain_tlv),
 505        SOC_SINGLE("Capture Digital Switch", DA7219_ADC_L_CTRL,
 506                   DA7219_ADC_L_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 507                   DA7219_INVERT),
 508        SOC_SINGLE("Capture Digital Gain Ramp Switch", DA7219_ADC_L_CTRL,
 509                   DA7219_ADC_L_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 510                   DA7219_NO_INVERT),
 511
 512        /* ALC */
 513        SOC_ENUM("ALC Attack Rate", da7219_alc_attack_rate),
 514        SOC_ENUM("ALC Release Rate", da7219_alc_release_rate),
 515        SOC_ENUM("ALC Hold Time", da7219_alc_hold_time),
 516        SOC_ENUM("ALC Envelope Attack Rate", da7219_alc_env_attack_rate),
 517        SOC_ENUM("ALC Envelope Release Rate", da7219_alc_env_release_rate),
 518        SOC_SINGLE_TLV("ALC Noise Threshold", DA7219_ALC_NOISE,
 519                       DA7219_ALC_NOISE_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 520                       DA7219_INVERT, da7219_alc_threshold_tlv),
 521        SOC_SINGLE_TLV("ALC Min Threshold", DA7219_ALC_TARGET_MIN,
 522                       DA7219_ALC_THRESHOLD_MIN_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 523                       DA7219_INVERT, da7219_alc_threshold_tlv),
 524        SOC_SINGLE_TLV("ALC Max Threshold", DA7219_ALC_TARGET_MAX,
 525                       DA7219_ALC_THRESHOLD_MAX_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 526                       DA7219_INVERT, da7219_alc_threshold_tlv),
 527        SOC_SINGLE_TLV("ALC Max Attenuation", DA7219_ALC_GAIN_LIMITS,
 528                       DA7219_ALC_ATTEN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
 529                       DA7219_NO_INVERT, da7219_alc_gain_tlv),
 530        SOC_SINGLE_TLV("ALC Max Volume", DA7219_ALC_GAIN_LIMITS,
 531                       DA7219_ALC_GAIN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
 532                       DA7219_NO_INVERT, da7219_alc_gain_tlv),
 533        SOC_SINGLE_RANGE_TLV("ALC Min Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
 534                             DA7219_ALC_ANA_GAIN_MIN_SHIFT,
 535                             DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
 536                             DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
 537        SOC_SINGLE_RANGE_TLV("ALC Max Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
 538                             DA7219_ALC_ANA_GAIN_MAX_SHIFT,
 539                             DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
 540                             DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
 541        SOC_ENUM("ALC Anticlip Step", da7219_alc_anticlip_step),
 542        SOC_SINGLE("ALC Anticlip Switch", DA7219_ALC_ANTICLIP_CTRL,
 543                   DA7219_ALC_ANTIPCLIP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 544                   DA7219_NO_INVERT),
 545        SOC_SINGLE_EXT("ALC Switch", DA7219_ALC_CTRL1, DA7219_ALC_EN_SHIFT,
 546                       DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT,
 547                       snd_soc_get_volsw, da7219_alc_sw_put),
 548
 549        /* Input High-Pass Filters */
 550        SOC_ENUM("ADC HPF Mode", da7219_adc_hpf_mode),
 551        SOC_ENUM("ADC HPF Corner Audio", da7219_adc_audio_hpf_corner),
 552        SOC_ENUM("ADC HPF Corner Voice", da7219_adc_voice_hpf_corner),
 553
 554        /* Sidetone Filter */
 555        SOC_SINGLE_TLV("Sidetone Volume", DA7219_SIDETONE_GAIN,
 556                       DA7219_SIDETONE_GAIN_SHIFT, DA7219_SIDETONE_GAIN_MAX,
 557                       DA7219_NO_INVERT, da7219_sidetone_gain_tlv),
 558        SOC_SINGLE("Sidetone Switch", DA7219_SIDETONE_CTRL,
 559                   DA7219_SIDETONE_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 560                   DA7219_INVERT),
 561
 562        /* Tone Generator */
 563        SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7219_TONE_GEN_CFG2,
 564                           DA7219_TONE_GEN_GAIN_SHIFT, DA7219_TONE_GEN_GAIN_MAX,
 565                           DA7219_NO_INVERT, da7219_volsw_locked_get,
 566                           da7219_volsw_locked_put, da7219_tonegen_gain_tlv),
 567        SOC_ENUM_EXT("ToneGen DTMF Key", da7219_tonegen_dtmf_key,
 568                     da7219_enum_locked_get, da7219_enum_locked_put),
 569        SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7219_TONE_GEN_CFG1,
 570                       DA7219_DTMF_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 571                       DA7219_NO_INVERT, da7219_volsw_locked_get,
 572                       da7219_volsw_locked_put),
 573        SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7219_tonegen_swg_sel,
 574                     da7219_enum_locked_get, da7219_enum_locked_put),
 575        SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7219_TONE_GEN_FREQ1_L,
 576                       DA7219_FREQ1_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
 577                       da7219_tonegen_freq_get, da7219_tonegen_freq_put),
 578        SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7219_TONE_GEN_FREQ2_L,
 579                       DA7219_FREQ2_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
 580                       da7219_tonegen_freq_get, da7219_tonegen_freq_put),
 581        SOC_SINGLE_EXT("ToneGen On Time", DA7219_TONE_GEN_ON_PER,
 582                       DA7219_BEEP_ON_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
 583                       DA7219_NO_INVERT, da7219_volsw_locked_get,
 584                       da7219_volsw_locked_put),
 585        SOC_SINGLE("ToneGen Off Time", DA7219_TONE_GEN_OFF_PER,
 586                   DA7219_BEEP_OFF_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
 587                   DA7219_NO_INVERT),
 588
 589        /* Gain ramping */
 590        SOC_ENUM("Gain Ramp Rate", da7219_gain_ramp_rate),
 591
 592        /* DAC High-Pass Filter */
 593        SOC_ENUM_EXT("DAC HPF Mode", da7219_dac_hpf_mode,
 594                     da7219_enum_locked_get, da7219_enum_locked_put),
 595        SOC_ENUM("DAC HPF Corner Audio", da7219_dac_audio_hpf_corner),
 596        SOC_ENUM("DAC HPF Corner Voice", da7219_dac_voice_hpf_corner),
 597
 598        /* DAC 5-Band Equaliser */
 599        SOC_SINGLE_TLV("DAC EQ Band1 Volume", DA7219_DAC_FILTERS2,
 600                       DA7219_DAC_EQ_BAND1_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 601                       DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 602        SOC_SINGLE_TLV("DAC EQ Band2 Volume", DA7219_DAC_FILTERS2,
 603                       DA7219_DAC_EQ_BAND2_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 604                       DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 605        SOC_SINGLE_TLV("DAC EQ Band3 Volume", DA7219_DAC_FILTERS3,
 606                       DA7219_DAC_EQ_BAND3_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 607                       DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 608        SOC_SINGLE_TLV("DAC EQ Band4 Volume", DA7219_DAC_FILTERS3,
 609                       DA7219_DAC_EQ_BAND4_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 610                       DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 611        SOC_SINGLE_TLV("DAC EQ Band5 Volume", DA7219_DAC_FILTERS4,
 612                       DA7219_DAC_EQ_BAND5_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 613                       DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 614        SOC_SINGLE_EXT("DAC EQ Switch", DA7219_DAC_FILTERS4,
 615                       DA7219_DAC_EQ_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 616                       DA7219_NO_INVERT, da7219_volsw_locked_get,
 617                       da7219_volsw_locked_put),
 618
 619        /* DAC Softmute */
 620        SOC_ENUM("DAC Soft Mute Rate", da7219_dac_softmute_rate),
 621        SOC_SINGLE_EXT("DAC Soft Mute Switch", DA7219_DAC_FILTERS5,
 622                       DA7219_DAC_SOFTMUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 623                       DA7219_NO_INVERT, da7219_volsw_locked_get,
 624                       da7219_volsw_locked_put),
 625
 626        /* DAC Noise Gate */
 627        SOC_ENUM("DAC NG Setup Time", da7219_dac_ng_setup_time),
 628        SOC_ENUM("DAC NG Rampup Rate", da7219_dac_ng_rampup_rate),
 629        SOC_ENUM("DAC NG Rampdown Rate", da7219_dac_ng_rampdown_rate),
 630        SOC_SINGLE_TLV("DAC NG Off Threshold", DA7219_DAC_NG_OFF_THRESH,
 631                       DA7219_DAC_NG_OFF_THRESHOLD_SHIFT,
 632                       DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
 633                       da7219_dac_ng_threshold_tlv),
 634        SOC_SINGLE_TLV("DAC NG On Threshold", DA7219_DAC_NG_ON_THRESH,
 635                       DA7219_DAC_NG_ON_THRESHOLD_SHIFT,
 636                       DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
 637                       da7219_dac_ng_threshold_tlv),
 638        SOC_SINGLE("DAC NG Switch", DA7219_DAC_NG_CTRL, DA7219_DAC_NG_EN_SHIFT,
 639                   DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 640
 641        /* DACs */
 642        SOC_DOUBLE_R_EXT_TLV("Playback Digital Volume", DA7219_DAC_L_GAIN,
 643                             DA7219_DAC_R_GAIN, DA7219_DAC_L_DIGITAL_GAIN_SHIFT,
 644                             DA7219_DAC_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
 645                             da7219_volsw_locked_get, da7219_volsw_locked_put,
 646                             da7219_dac_dig_gain_tlv),
 647        SOC_DOUBLE_R_EXT("Playback Digital Switch", DA7219_DAC_L_CTRL,
 648                         DA7219_DAC_R_CTRL, DA7219_DAC_L_MUTE_EN_SHIFT,
 649                         DA7219_SWITCH_EN_MAX, DA7219_INVERT,
 650                         da7219_volsw_locked_get, da7219_volsw_locked_put),
 651        SOC_DOUBLE_R("Playback Digital Gain Ramp Switch", DA7219_DAC_L_CTRL,
 652                     DA7219_DAC_R_CTRL, DA7219_DAC_L_RAMP_EN_SHIFT,
 653                     DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 654
 655        /* CP */
 656        SOC_ENUM("Charge Pump Track Mode", da7219_cp_track_mode),
 657        SOC_SINGLE("Charge Pump Threshold", DA7219_CP_VOL_THRESHOLD1,
 658                   DA7219_CP_THRESH_VDD2_SHIFT, DA7219_CP_THRESH_VDD2_MAX,
 659                   DA7219_NO_INVERT),
 660
 661        /* Headphones */
 662        SOC_DOUBLE_R_EXT_TLV("Headphone Volume", DA7219_HP_L_GAIN,
 663                             DA7219_HP_R_GAIN, DA7219_HP_L_AMP_GAIN_SHIFT,
 664                             DA7219_HP_AMP_GAIN_MAX, DA7219_NO_INVERT,
 665                             da7219_volsw_locked_get, da7219_volsw_locked_put,
 666                             da7219_hp_gain_tlv),
 667        SOC_DOUBLE_R_EXT("Headphone Switch", DA7219_HP_L_CTRL, DA7219_HP_R_CTRL,
 668                         DA7219_HP_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 669                         DA7219_INVERT, da7219_volsw_locked_get,
 670                         da7219_volsw_locked_put),
 671        SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7219_HP_L_CTRL,
 672                     DA7219_HP_R_CTRL, DA7219_HP_L_AMP_RAMP_EN_SHIFT,
 673                     DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 674        SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7219_HP_L_CTRL,
 675                     DA7219_HP_R_CTRL, DA7219_HP_L_AMP_ZC_EN_SHIFT,
 676                     DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 677};
 678
 679
 680/*
 681 * DAPM Mux Controls
 682 */
 683
 684static const char * const da7219_out_sel_txt[] = {
 685        "ADC", "Tone Generator", "DAIL", "DAIR"
 686};
 687
 688static const struct soc_enum da7219_out_dail_sel =
 689        SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
 690                        DA7219_DAI_L_SRC_SHIFT,
 691                        DA7219_OUT_SRC_MAX,
 692                        da7219_out_sel_txt);
 693
 694static const struct snd_kcontrol_new da7219_out_dail_sel_mux =
 695        SOC_DAPM_ENUM("Out DAIL Mux", da7219_out_dail_sel);
 696
 697static const struct soc_enum da7219_out_dair_sel =
 698        SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
 699                        DA7219_DAI_R_SRC_SHIFT,
 700                        DA7219_OUT_SRC_MAX,
 701                        da7219_out_sel_txt);
 702
 703static const struct snd_kcontrol_new da7219_out_dair_sel_mux =
 704        SOC_DAPM_ENUM("Out DAIR Mux", da7219_out_dair_sel);
 705
 706static const struct soc_enum da7219_out_dacl_sel =
 707        SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
 708                        DA7219_DAC_L_SRC_SHIFT,
 709                        DA7219_OUT_SRC_MAX,
 710                        da7219_out_sel_txt);
 711
 712static const struct snd_kcontrol_new da7219_out_dacl_sel_mux =
 713        SOC_DAPM_ENUM("Out DACL Mux", da7219_out_dacl_sel);
 714
 715static const struct soc_enum da7219_out_dacr_sel =
 716        SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
 717                        DA7219_DAC_R_SRC_SHIFT,
 718                        DA7219_OUT_SRC_MAX,
 719                        da7219_out_sel_txt);
 720
 721static const struct snd_kcontrol_new da7219_out_dacr_sel_mux =
 722        SOC_DAPM_ENUM("Out DACR Mux", da7219_out_dacr_sel);
 723
 724
 725/*
 726 * DAPM Mixer Controls
 727 */
 728
 729static const struct snd_kcontrol_new da7219_mixin_controls[] = {
 730        SOC_DAPM_SINGLE("Mic Switch", DA7219_MIXIN_L_SELECT,
 731                        DA7219_MIXIN_L_MIX_SELECT_SHIFT,
 732                        DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 733};
 734
 735static const struct snd_kcontrol_new da7219_mixout_l_controls[] = {
 736        SOC_DAPM_SINGLE("DACL Switch", DA7219_MIXOUT_L_SELECT,
 737                        DA7219_MIXOUT_L_MIX_SELECT_SHIFT,
 738                        DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 739};
 740
 741static const struct snd_kcontrol_new da7219_mixout_r_controls[] = {
 742        SOC_DAPM_SINGLE("DACR Switch", DA7219_MIXOUT_R_SELECT,
 743                        DA7219_MIXOUT_R_MIX_SELECT_SHIFT,
 744                        DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 745};
 746
 747#define DA7219_DMIX_ST_CTRLS(reg)                                       \
 748        SOC_DAPM_SINGLE("Out FilterL Switch", reg,                      \
 749                        DA7219_DMIX_ST_SRC_OUTFILT1L_SHIFT,             \
 750                        DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),        \
 751        SOC_DAPM_SINGLE("Out FilterR Switch", reg,                      \
 752                        DA7219_DMIX_ST_SRC_OUTFILT1R_SHIFT,             \
 753                        DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),        \
 754        SOC_DAPM_SINGLE("Sidetone Switch", reg,                         \
 755                        DA7219_DMIX_ST_SRC_SIDETONE_SHIFT,              \
 756                        DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT)         \
 757
 758static const struct snd_kcontrol_new da7219_st_out_filtl_mix_controls[] = {
 759        DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1L),
 760};
 761
 762static const struct snd_kcontrol_new da7219_st_out_filtr_mix_controls[] = {
 763        DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1R),
 764};
 765
 766
 767/*
 768 * DAPM Events
 769 */
 770
 771static int da7219_mic_pga_event(struct snd_soc_dapm_widget *w,
 772                                struct snd_kcontrol *kcontrol, int event)
 773{
 774        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 775        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 776
 777        switch (event) {
 778        case SND_SOC_DAPM_POST_PMU:
 779                if (da7219->micbias_on_event) {
 780                        /*
 781                         * Delay only for first capture after bias enabled to
 782                         * avoid possible DC offset related noise.
 783                         */
 784                        da7219->micbias_on_event = false;
 785                        msleep(da7219->mic_pga_delay);
 786                }
 787                break;
 788        default:
 789                break;
 790        }
 791
 792        return 0;
 793}
 794
 795static int da7219_dai_event(struct snd_soc_dapm_widget *w,
 796                            struct snd_kcontrol *kcontrol, int event)
 797{
 798        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 799        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 800        u8 pll_ctrl, pll_status;
 801        int i = 0, ret;
 802        bool srm_lock = false;
 803
 804        switch (event) {
 805        case SND_SOC_DAPM_PRE_PMU:
 806                if (da7219->master) {
 807                        /* Enable DAI clks for master mode */
 808                        if (da7219->dai_clks) {
 809                                ret = clk_prepare_enable(da7219->dai_clks);
 810                                if (ret) {
 811                                        dev_err(component->dev,
 812                                                "Failed to enable dai_clks\n");
 813                                        return ret;
 814                                }
 815                        } else {
 816                                snd_soc_component_update_bits(component,
 817                                                              DA7219_DAI_CLK_MODE,
 818                                                              DA7219_DAI_CLK_EN_MASK,
 819                                                              DA7219_DAI_CLK_EN_MASK);
 820                        }
 821                }
 822
 823                /* PC synchronised to DAI */
 824                snd_soc_component_update_bits(component, DA7219_PC_COUNT,
 825                                    DA7219_PC_FREERUN_MASK, 0);
 826
 827                /* Slave mode, if SRM not enabled no need for status checks */
 828                pll_ctrl = snd_soc_component_read32(component, DA7219_PLL_CTRL);
 829                if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM)
 830                        return 0;
 831
 832                /* Check SRM has locked */
 833                do {
 834                        pll_status = snd_soc_component_read32(component, DA7219_PLL_SRM_STS);
 835                        if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) {
 836                                srm_lock = true;
 837                        } else {
 838                                ++i;
 839                                msleep(50);
 840                        }
 841                } while ((i < DA7219_SRM_CHECK_RETRIES) & (!srm_lock));
 842
 843                if (!srm_lock)
 844                        dev_warn(component->dev, "SRM failed to lock\n");
 845
 846                return 0;
 847        case SND_SOC_DAPM_POST_PMD:
 848                /* PC free-running */
 849                snd_soc_component_update_bits(component, DA7219_PC_COUNT,
 850                                    DA7219_PC_FREERUN_MASK,
 851                                    DA7219_PC_FREERUN_MASK);
 852
 853                /* Disable DAI clks if in master mode */
 854                if (da7219->master) {
 855                        if (da7219->dai_clks)
 856                                clk_disable_unprepare(da7219->dai_clks);
 857                        else
 858                                snd_soc_component_update_bits(component,
 859                                                              DA7219_DAI_CLK_MODE,
 860                                                              DA7219_DAI_CLK_EN_MASK,
 861                                                              0);
 862                }
 863
 864                return 0;
 865        default:
 866                return -EINVAL;
 867        }
 868}
 869
 870static int da7219_settling_event(struct snd_soc_dapm_widget *w,
 871                                 struct snd_kcontrol *kcontrol, int event)
 872{
 873        switch (event) {
 874        case SND_SOC_DAPM_POST_PMU:
 875        case SND_SOC_DAPM_POST_PMD:
 876                msleep(DA7219_SETTLING_DELAY);
 877                break;
 878        default:
 879                break;
 880        }
 881
 882        return 0;
 883}
 884
 885static int da7219_mixout_event(struct snd_soc_dapm_widget *w,
 886                               struct snd_kcontrol *kcontrol, int event)
 887{
 888        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 889        u8 hp_ctrl, min_gain_mask;
 890
 891        switch (w->reg) {
 892        case DA7219_MIXOUT_L_CTRL:
 893                hp_ctrl = DA7219_HP_L_CTRL;
 894                min_gain_mask = DA7219_HP_L_AMP_MIN_GAIN_EN_MASK;
 895                break;
 896        case DA7219_MIXOUT_R_CTRL:
 897                hp_ctrl = DA7219_HP_R_CTRL;
 898                min_gain_mask = DA7219_HP_R_AMP_MIN_GAIN_EN_MASK;
 899                break;
 900        default:
 901                return -EINVAL;
 902        }
 903
 904        switch (event) {
 905        case SND_SOC_DAPM_PRE_PMD:
 906                /* Enable minimum gain on HP to avoid pops */
 907                snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask,
 908                                    min_gain_mask);
 909
 910                msleep(DA7219_MIN_GAIN_DELAY);
 911
 912                break;
 913        case SND_SOC_DAPM_POST_PMU:
 914                /* Remove minimum gain on HP */
 915                snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask, 0);
 916
 917                break;
 918        }
 919
 920        return 0;
 921}
 922
 923static int da7219_gain_ramp_event(struct snd_soc_dapm_widget *w,
 924                                  struct snd_kcontrol *kcontrol, int event)
 925{
 926        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 927        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 928
 929        switch (event) {
 930        case SND_SOC_DAPM_PRE_PMU:
 931        case SND_SOC_DAPM_PRE_PMD:
 932                /* Ensure nominal gain ramping for DAPM sequence */
 933                da7219->gain_ramp_ctrl =
 934                        snd_soc_component_read32(component, DA7219_GAIN_RAMP_CTRL);
 935                snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL,
 936                              DA7219_GAIN_RAMP_RATE_NOMINAL);
 937                break;
 938        case SND_SOC_DAPM_POST_PMU:
 939        case SND_SOC_DAPM_POST_PMD:
 940                /* Restore previous gain ramp settings */
 941                snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL,
 942                              da7219->gain_ramp_ctrl);
 943                break;
 944        }
 945
 946        return 0;
 947}
 948
 949
 950/*
 951 * DAPM Widgets
 952 */
 953
 954static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = {
 955        /* Input Supplies */
 956        SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL,
 957                            DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT,
 958                            NULL, 0),
 959
 960        /* Inputs */
 961        SND_SOC_DAPM_INPUT("MIC"),
 962
 963        /* Input PGAs */
 964        SND_SOC_DAPM_PGA_E("Mic PGA", DA7219_MIC_1_CTRL,
 965                           DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT,
 966                           NULL, 0, da7219_mic_pga_event, SND_SOC_DAPM_POST_PMU),
 967        SND_SOC_DAPM_PGA_E("Mixin PGA", DA7219_MIXIN_L_CTRL,
 968                           DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
 969                           NULL, 0, da7219_settling_event, SND_SOC_DAPM_POST_PMU),
 970
 971        /* Input Filters */
 972        SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT,
 973                         DA7219_NO_INVERT),
 974
 975        /* Tone Generator */
 976        SND_SOC_DAPM_SIGGEN("TONE"),
 977        SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1,
 978                         DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0),
 979
 980        /* Sidetone Input */
 981        SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL,
 982                         DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT),
 983
 984        /* Input Mixer Supply */
 985        SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL,
 986                            DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT,
 987                            NULL, 0),
 988
 989        /* Input Mixer */
 990        SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0,
 991                           da7219_mixin_controls,
 992                           ARRAY_SIZE(da7219_mixin_controls)),
 993
 994        /* Input Muxes */
 995        SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0,
 996                         &da7219_out_dail_sel_mux),
 997        SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0,
 998                         &da7219_out_dair_sel_mux),
 999
1000        /* DAI Supply */
1001        SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT,
1002                            DA7219_NO_INVERT, da7219_dai_event,
1003                            SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1004
1005        /* DAI */
1006        SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, DA7219_DAI_TDM_CTRL,
1007                             DA7219_DAI_OE_SHIFT, DA7219_NO_INVERT),
1008        SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
1009
1010        /* Output Muxes */
1011        SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0,
1012                         &da7219_out_dacl_sel_mux),
1013        SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0,
1014                         &da7219_out_dacr_sel_mux),
1015
1016        /* Output Mixers */
1017        SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
1018                           da7219_mixout_l_controls,
1019                           ARRAY_SIZE(da7219_mixout_l_controls)),
1020        SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
1021                           da7219_mixout_r_controls,
1022                           ARRAY_SIZE(da7219_mixout_r_controls)),
1023
1024        /* Sidetone Mixers */
1025        SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
1026                           da7219_st_out_filtl_mix_controls,
1027                           ARRAY_SIZE(da7219_st_out_filtl_mix_controls)),
1028        SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0,
1029                           0, da7219_st_out_filtr_mix_controls,
1030                           ARRAY_SIZE(da7219_st_out_filtr_mix_controls)),
1031
1032        /* DACs */
1033        SND_SOC_DAPM_DAC_E("DACL", NULL, DA7219_DAC_L_CTRL,
1034                           DA7219_DAC_L_EN_SHIFT, DA7219_NO_INVERT,
1035                           da7219_settling_event,
1036                           SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1037        SND_SOC_DAPM_DAC_E("DACR", NULL, DA7219_DAC_R_CTRL,
1038                           DA7219_DAC_R_EN_SHIFT, DA7219_NO_INVERT,
1039                           da7219_settling_event,
1040                           SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1041
1042        /* Output PGAs */
1043        SND_SOC_DAPM_PGA_E("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
1044                           DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
1045                           NULL, 0, da7219_mixout_event,
1046                           SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1047        SND_SOC_DAPM_PGA_E("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
1048                           DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
1049                           NULL, 0, da7219_mixout_event,
1050                           SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1051        SND_SOC_DAPM_SUPPLY_S("Headphone Left PGA", 1, DA7219_HP_L_CTRL,
1052                              DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
1053                              da7219_settling_event,
1054                              SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1055        SND_SOC_DAPM_SUPPLY_S("Headphone Right PGA", 1, DA7219_HP_R_CTRL,
1056                              DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
1057                              da7219_settling_event,
1058                              SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1059
1060        /* Output Supplies */
1061        SND_SOC_DAPM_SUPPLY_S("Charge Pump", 0, DA7219_CP_CTRL,
1062                              DA7219_CP_EN_SHIFT, DA7219_NO_INVERT,
1063                              da7219_settling_event,
1064                              SND_SOC_DAPM_POST_PMU),
1065
1066        /* Outputs */
1067        SND_SOC_DAPM_OUTPUT("HPL"),
1068        SND_SOC_DAPM_OUTPUT("HPR"),
1069
1070        /* Pre/Post Power */
1071        SND_SOC_DAPM_PRE("Pre Power Gain Ramp", da7219_gain_ramp_event),
1072        SND_SOC_DAPM_POST("Post Power Gain Ramp", da7219_gain_ramp_event),
1073};
1074
1075
1076/*
1077 * DAPM Mux Routes
1078 */
1079
1080#define DA7219_OUT_DAI_MUX_ROUTES(name)                 \
1081        {name, "ADC", "Mixer In"},                      \
1082        {name, "Tone Generator", "Tone Generator"},     \
1083        {name, "DAIL", "DAIOUT"},                       \
1084        {name, "DAIR", "DAIOUT"}
1085
1086#define DA7219_OUT_DAC_MUX_ROUTES(name)                 \
1087        {name, "ADC", "Mixer In"},                      \
1088        {name, "Tone Generator", "Tone Generator"},             \
1089        {name, "DAIL", "DAIIN"},                        \
1090        {name, "DAIR", "DAIIN"}
1091
1092/*
1093 * DAPM Mixer Routes
1094 */
1095
1096#define DA7219_DMIX_ST_ROUTES(name)                             \
1097        {name, "Out FilterL Switch", "Mixer Out FilterL"},      \
1098        {name, "Out FilterR Switch", "Mixer Out FilterR"},      \
1099        {name, "Sidetone Switch", "Sidetone Filter"}
1100
1101
1102/*
1103 * DAPM audio route definition
1104 */
1105
1106static const struct snd_soc_dapm_route da7219_audio_map[] = {
1107        /* Input paths */
1108        {"MIC", NULL, "Mic Bias"},
1109        {"Mic PGA", NULL, "MIC"},
1110        {"Mixin PGA", NULL, "Mic PGA"},
1111        {"ADC", NULL, "Mixin PGA"},
1112
1113        {"Mixer In", NULL, "Mixer In Supply"},
1114        {"Mixer In", "Mic Switch", "ADC"},
1115
1116        {"Sidetone Filter", NULL, "Mixer In"},
1117
1118        {"Tone Generator", NULL, "TONE"},
1119
1120        DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"),
1121        DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"),
1122
1123        {"DAIOUT", NULL, "Out DAIL Mux"},
1124        {"DAIOUT", NULL, "Out DAIR Mux"},
1125        {"DAIOUT", NULL, "DAI"},
1126
1127        /* Output paths */
1128        {"DAIIN", NULL, "DAI"},
1129
1130        DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"),
1131        DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"),
1132
1133        {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"},
1134        {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"},
1135
1136        DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"),
1137        DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"),
1138
1139        {"DACL", NULL, "ST Mixer Out FilterL"},
1140        {"DACR", NULL, "ST Mixer Out FilterR"},
1141
1142        {"Mixout Left PGA", NULL, "DACL"},
1143        {"Mixout Right PGA", NULL, "DACR"},
1144
1145        {"HPL", NULL, "Mixout Left PGA"},
1146        {"HPR", NULL, "Mixout Right PGA"},
1147
1148        {"HPL", NULL, "Headphone Left PGA"},
1149        {"HPR", NULL, "Headphone Right PGA"},
1150
1151        {"HPL", NULL, "Charge Pump"},
1152        {"HPR", NULL, "Charge Pump"},
1153};
1154
1155
1156/*
1157 * DAI operations
1158 */
1159
1160static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1161                                 int clk_id, unsigned int freq, int dir)
1162{
1163        struct snd_soc_component *component = codec_dai->component;
1164        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1165        int ret = 0;
1166
1167        if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq))
1168                return 0;
1169
1170        if ((freq < 2000000) || (freq > 54000000)) {
1171                dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1172                        freq);
1173                return -EINVAL;
1174        }
1175
1176        mutex_lock(&da7219->pll_lock);
1177
1178        switch (clk_id) {
1179        case DA7219_CLKSRC_MCLK_SQR:
1180                snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1181                                    DA7219_PLL_MCLK_SQR_EN_MASK,
1182                                    DA7219_PLL_MCLK_SQR_EN_MASK);
1183                break;
1184        case DA7219_CLKSRC_MCLK:
1185                snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1186                                    DA7219_PLL_MCLK_SQR_EN_MASK, 0);
1187                break;
1188        default:
1189                dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1190                mutex_unlock(&da7219->pll_lock);
1191                return -EINVAL;
1192        }
1193
1194        da7219->clk_src = clk_id;
1195
1196        if (da7219->mclk) {
1197                freq = clk_round_rate(da7219->mclk, freq);
1198                ret = clk_set_rate(da7219->mclk, freq);
1199                if (ret) {
1200                        dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1201                                freq);
1202                        mutex_unlock(&da7219->pll_lock);
1203                        return ret;
1204                }
1205        }
1206
1207        da7219->mclk_rate = freq;
1208
1209        mutex_unlock(&da7219->pll_lock);
1210
1211        return 0;
1212}
1213
1214int da7219_set_pll(struct snd_soc_component *component, int source, unsigned int fout)
1215{
1216        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1217
1218        u8 pll_ctrl, indiv_bits, indiv;
1219        u8 pll_frac_top, pll_frac_bot, pll_integer;
1220        u32 freq_ref;
1221        u64 frac_div;
1222
1223        /* Verify 2MHz - 54MHz MCLK provided, and set input divider */
1224        if (da7219->mclk_rate < 2000000) {
1225                dev_err(component->dev, "PLL input clock %d below valid range\n",
1226                        da7219->mclk_rate);
1227                return -EINVAL;
1228        } else if (da7219->mclk_rate <= 4500000) {
1229                indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ;
1230                indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL;
1231        } else if (da7219->mclk_rate <= 9000000) {
1232                indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ;
1233                indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL;
1234        } else if (da7219->mclk_rate <= 18000000) {
1235                indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ;
1236                indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL;
1237        } else if (da7219->mclk_rate <= 36000000) {
1238                indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ;
1239                indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL;
1240        } else if (da7219->mclk_rate <= 54000000) {
1241                indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ;
1242                indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL;
1243        } else {
1244                dev_err(component->dev, "PLL input clock %d above valid range\n",
1245                        da7219->mclk_rate);
1246                return -EINVAL;
1247        }
1248        freq_ref = (da7219->mclk_rate / indiv);
1249        pll_ctrl = indiv_bits;
1250
1251        /* Configure PLL */
1252        switch (source) {
1253        case DA7219_SYSCLK_MCLK:
1254                pll_ctrl |= DA7219_PLL_MODE_BYPASS;
1255                snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1256                                    DA7219_PLL_INDIV_MASK |
1257                                    DA7219_PLL_MODE_MASK, pll_ctrl);
1258                return 0;
1259        case DA7219_SYSCLK_PLL:
1260                pll_ctrl |= DA7219_PLL_MODE_NORMAL;
1261                break;
1262        case DA7219_SYSCLK_PLL_SRM:
1263                pll_ctrl |= DA7219_PLL_MODE_SRM;
1264                break;
1265        default:
1266                dev_err(component->dev, "Invalid PLL config\n");
1267                return -EINVAL;
1268        }
1269
1270        /* Calculate dividers for PLL */
1271        pll_integer = fout / freq_ref;
1272        frac_div = (u64)(fout % freq_ref) * 8192ULL;
1273        do_div(frac_div, freq_ref);
1274        pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK;
1275        pll_frac_bot = (frac_div) & DA7219_BYTE_MASK;
1276
1277        /* Write PLL config & dividers */
1278        snd_soc_component_write(component, DA7219_PLL_FRAC_TOP, pll_frac_top);
1279        snd_soc_component_write(component, DA7219_PLL_FRAC_BOT, pll_frac_bot);
1280        snd_soc_component_write(component, DA7219_PLL_INTEGER, pll_integer);
1281        snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1282                            DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK,
1283                            pll_ctrl);
1284
1285        return 0;
1286}
1287
1288static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1289                              int source, unsigned int fref, unsigned int fout)
1290{
1291        struct snd_soc_component *component = codec_dai->component;
1292        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1293        int ret;
1294
1295        mutex_lock(&da7219->pll_lock);
1296        ret = da7219_set_pll(component, source, fout);
1297        mutex_unlock(&da7219->pll_lock);
1298
1299        return ret;
1300}
1301
1302static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1303{
1304        struct snd_soc_component *component = codec_dai->component;
1305        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1306        u8 dai_clk_mode = 0, dai_ctrl = 0;
1307
1308        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1309        case SND_SOC_DAIFMT_CBM_CFM:
1310                da7219->master = true;
1311                break;
1312        case SND_SOC_DAIFMT_CBS_CFS:
1313                da7219->master = false;
1314                break;
1315        default:
1316                return -EINVAL;
1317        }
1318
1319        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1320        case SND_SOC_DAIFMT_I2S:
1321        case SND_SOC_DAIFMT_LEFT_J:
1322        case SND_SOC_DAIFMT_RIGHT_J:
1323                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1324                case SND_SOC_DAIFMT_NB_NF:
1325                        break;
1326                case SND_SOC_DAIFMT_NB_IF:
1327                        dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1328                        break;
1329                case SND_SOC_DAIFMT_IB_NF:
1330                        dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1331                        break;
1332                case SND_SOC_DAIFMT_IB_IF:
1333                        dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1334                                        DA7219_DAI_CLK_POL_INV;
1335                        break;
1336                default:
1337                        return -EINVAL;
1338                }
1339                break;
1340        case SND_SOC_DAIFMT_DSP_B:
1341                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1342                case SND_SOC_DAIFMT_NB_NF:
1343                        dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1344                        break;
1345                case SND_SOC_DAIFMT_NB_IF:
1346                        dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1347                                        DA7219_DAI_CLK_POL_INV;
1348                        break;
1349                case SND_SOC_DAIFMT_IB_NF:
1350                        break;
1351                case SND_SOC_DAIFMT_IB_IF:
1352                        dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1353                        break;
1354                default:
1355                        return -EINVAL;
1356                }
1357                break;
1358        default:
1359                return -EINVAL;
1360        }
1361
1362        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1363        case SND_SOC_DAIFMT_I2S:
1364                dai_ctrl |= DA7219_DAI_FORMAT_I2S;
1365                break;
1366        case SND_SOC_DAIFMT_LEFT_J:
1367                dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J;
1368                break;
1369        case SND_SOC_DAIFMT_RIGHT_J:
1370                dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J;
1371                break;
1372        case SND_SOC_DAIFMT_DSP_B:
1373                dai_ctrl |= DA7219_DAI_FORMAT_DSP;
1374                break;
1375        default:
1376                return -EINVAL;
1377        }
1378
1379        /* By default 64 BCLKs per WCLK is supported */
1380        dai_clk_mode |= DA7219_DAI_BCLKS_PER_WCLK_64;
1381
1382        snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1383                            DA7219_DAI_BCLKS_PER_WCLK_MASK |
1384                            DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK,
1385                            dai_clk_mode);
1386        snd_soc_component_update_bits(component, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK,
1387                            dai_ctrl);
1388
1389        return 0;
1390}
1391
1392static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai,
1393                                   unsigned int tx_mask, unsigned int rx_mask,
1394                                   int slots, int slot_width)
1395{
1396        struct snd_soc_component *component = dai->component;
1397        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1398        u8 dai_bclks_per_wclk;
1399        u16 offset;
1400        u32 frame_size;
1401
1402        /* No channels enabled so disable TDM, revert to 64-bit frames */
1403        if (!tx_mask) {
1404                snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL,
1405                                    DA7219_DAI_TDM_CH_EN_MASK |
1406                                    DA7219_DAI_TDM_MODE_EN_MASK, 0);
1407                snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1408                                    DA7219_DAI_BCLKS_PER_WCLK_MASK,
1409                                    DA7219_DAI_BCLKS_PER_WCLK_64);
1410                return 0;
1411        }
1412
1413        /* Check we have valid slots */
1414        if (fls(tx_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
1415                dev_err(component->dev, "Invalid number of slots, max = %d\n",
1416                        DA7219_DAI_TDM_MAX_SLOTS);
1417                return -EINVAL;
1418        }
1419
1420        /* Check we have a valid offset given */
1421        if (rx_mask > DA7219_DAI_OFFSET_MAX) {
1422                dev_err(component->dev, "Invalid slot offset, max = %d\n",
1423                        DA7219_DAI_OFFSET_MAX);
1424                return -EINVAL;
1425        }
1426
1427        /* Calculate & validate frame size based on slot info provided. */
1428        frame_size = slots * slot_width;
1429        switch (frame_size) {
1430        case 32:
1431                dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
1432                break;
1433        case 64:
1434                dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
1435                break;
1436        case 128:
1437                dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
1438                break;
1439        case 256:
1440                dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
1441                break;
1442        default:
1443                dev_err(component->dev, "Invalid frame size %d\n", frame_size);
1444                return -EINVAL;
1445        }
1446
1447        snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1448                            DA7219_DAI_BCLKS_PER_WCLK_MASK,
1449                            dai_bclks_per_wclk);
1450
1451        offset = cpu_to_le16(rx_mask);
1452        regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER,
1453                          &offset, sizeof(offset));
1454
1455        snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL,
1456                            DA7219_DAI_TDM_CH_EN_MASK |
1457                            DA7219_DAI_TDM_MODE_EN_MASK,
1458                            (tx_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
1459                            DA7219_DAI_TDM_MODE_EN_MASK);
1460
1461        return 0;
1462}
1463
1464static int da7219_hw_params(struct snd_pcm_substream *substream,
1465                            struct snd_pcm_hw_params *params,
1466                            struct snd_soc_dai *dai)
1467{
1468        struct snd_soc_component *component = dai->component;
1469        u8 dai_ctrl = 0, fs;
1470        unsigned int channels;
1471
1472        switch (params_width(params)) {
1473        case 16:
1474                dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
1475                break;
1476        case 20:
1477                dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
1478                break;
1479        case 24:
1480                dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
1481                break;
1482        case 32:
1483                dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
1484                break;
1485        default:
1486                return -EINVAL;
1487        }
1488
1489        channels = params_channels(params);
1490        if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) {
1491                dev_err(component->dev,
1492                        "Invalid number of channels, only 1 to %d supported\n",
1493                        DA7219_DAI_CH_NUM_MAX);
1494                return -EINVAL;
1495        }
1496        dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
1497
1498        switch (params_rate(params)) {
1499        case 8000:
1500                fs = DA7219_SR_8000;
1501                break;
1502        case 11025:
1503                fs = DA7219_SR_11025;
1504                break;
1505        case 12000:
1506                fs = DA7219_SR_12000;
1507                break;
1508        case 16000:
1509                fs = DA7219_SR_16000;
1510                break;
1511        case 22050:
1512                fs = DA7219_SR_22050;
1513                break;
1514        case 24000:
1515                fs = DA7219_SR_24000;
1516                break;
1517        case 32000:
1518                fs = DA7219_SR_32000;
1519                break;
1520        case 44100:
1521                fs = DA7219_SR_44100;
1522                break;
1523        case 48000:
1524                fs = DA7219_SR_48000;
1525                break;
1526        case 88200:
1527                fs = DA7219_SR_88200;
1528                break;
1529        case 96000:
1530                fs = DA7219_SR_96000;
1531                break;
1532        default:
1533                return -EINVAL;
1534        }
1535
1536        snd_soc_component_update_bits(component, DA7219_DAI_CTRL,
1537                            DA7219_DAI_WORD_LENGTH_MASK |
1538                            DA7219_DAI_CH_NUM_MASK,
1539                            dai_ctrl);
1540        snd_soc_component_write(component, DA7219_SR, fs);
1541
1542        return 0;
1543}
1544
1545static const struct snd_soc_dai_ops da7219_dai_ops = {
1546        .hw_params      = da7219_hw_params,
1547        .set_sysclk     = da7219_set_dai_sysclk,
1548        .set_pll        = da7219_set_dai_pll,
1549        .set_fmt        = da7219_set_dai_fmt,
1550        .set_tdm_slot   = da7219_set_dai_tdm_slot,
1551};
1552
1553#define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1554                        SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1555
1556static struct snd_soc_dai_driver da7219_dai = {
1557        .name = "da7219-hifi",
1558        .playback = {
1559                .stream_name = "Playback",
1560                .channels_min = 1,
1561                .channels_max = DA7219_DAI_CH_NUM_MAX,
1562                .rates = SNDRV_PCM_RATE_8000_96000,
1563                .formats = DA7219_FORMATS,
1564        },
1565        .capture = {
1566                .stream_name = "Capture",
1567                .channels_min = 1,
1568                .channels_max = DA7219_DAI_CH_NUM_MAX,
1569                .rates = SNDRV_PCM_RATE_8000_96000,
1570                .formats = DA7219_FORMATS,
1571        },
1572        .ops = &da7219_dai_ops,
1573        .symmetric_rates = 1,
1574        .symmetric_channels = 1,
1575        .symmetric_samplebits = 1,
1576};
1577
1578
1579/*
1580 * DT/ACPI
1581 */
1582
1583static const struct of_device_id da7219_of_match[] = {
1584        { .compatible = "dlg,da7219", },
1585        { }
1586};
1587MODULE_DEVICE_TABLE(of, da7219_of_match);
1588
1589static const struct acpi_device_id da7219_acpi_match[] = {
1590        { .id = "DLGS7219", },
1591        { }
1592};
1593MODULE_DEVICE_TABLE(acpi, da7219_acpi_match);
1594
1595static enum da7219_micbias_voltage
1596        da7219_fw_micbias_lvl(struct device *dev, u32 val)
1597{
1598        switch (val) {
1599        case 1600:
1600                return DA7219_MICBIAS_1_6V;
1601        case 1800:
1602                return DA7219_MICBIAS_1_8V;
1603        case 2000:
1604                return DA7219_MICBIAS_2_0V;
1605        case 2200:
1606                return DA7219_MICBIAS_2_2V;
1607        case 2400:
1608                return DA7219_MICBIAS_2_4V;
1609        case 2600:
1610                return DA7219_MICBIAS_2_6V;
1611        default:
1612                dev_warn(dev, "Invalid micbias level");
1613                return DA7219_MICBIAS_2_2V;
1614        }
1615}
1616
1617static enum da7219_mic_amp_in_sel
1618        da7219_fw_mic_amp_in_sel(struct device *dev, const char *str)
1619{
1620        if (!strcmp(str, "diff")) {
1621                return DA7219_MIC_AMP_IN_SEL_DIFF;
1622        } else if (!strcmp(str, "se_p")) {
1623                return DA7219_MIC_AMP_IN_SEL_SE_P;
1624        } else if (!strcmp(str, "se_n")) {
1625                return DA7219_MIC_AMP_IN_SEL_SE_N;
1626        } else {
1627                dev_warn(dev, "Invalid mic input type selection");
1628                return DA7219_MIC_AMP_IN_SEL_DIFF;
1629        }
1630}
1631
1632static struct da7219_pdata *da7219_fw_to_pdata(struct snd_soc_component *component)
1633{
1634        struct device *dev = component->dev;
1635        struct da7219_pdata *pdata;
1636        const char *of_str;
1637        u32 of_val32;
1638
1639        pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
1640        if (!pdata)
1641                return NULL;
1642
1643        pdata->wakeup_source = device_property_read_bool(dev, "wakeup-source");
1644
1645        pdata->dai_clks_name = "da7219-dai-clks";
1646        if (device_property_read_string(dev, "clock-output-names",
1647                                        &pdata->dai_clks_name))
1648                dev_warn(dev, "Using default clk name: %s\n",
1649                         pdata->dai_clks_name);
1650
1651        if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0)
1652                pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32);
1653        else
1654                pdata->micbias_lvl = DA7219_MICBIAS_2_2V;
1655
1656        if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str))
1657                pdata->mic_amp_in_sel = da7219_fw_mic_amp_in_sel(dev, of_str);
1658        else
1659                pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF;
1660
1661        return pdata;
1662}
1663
1664
1665/*
1666 * Codec driver functions
1667 */
1668
1669static int da7219_set_bias_level(struct snd_soc_component *component,
1670                                 enum snd_soc_bias_level level)
1671{
1672        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1673        int ret;
1674
1675        switch (level) {
1676        case SND_SOC_BIAS_ON:
1677                break;
1678        case SND_SOC_BIAS_PREPARE:
1679                /* Enable MCLK for transition to ON state */
1680                if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
1681                        if (da7219->mclk) {
1682                                ret = clk_prepare_enable(da7219->mclk);
1683                                if (ret) {
1684                                        dev_err(component->dev,
1685                                                "Failed to enable mclk\n");
1686                                        return ret;
1687                                }
1688                        }
1689                }
1690
1691                break;
1692        case SND_SOC_BIAS_STANDBY:
1693                if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
1694                        /* Master bias */
1695                        snd_soc_component_update_bits(component, DA7219_REFERENCES,
1696                                            DA7219_BIAS_EN_MASK,
1697                                            DA7219_BIAS_EN_MASK);
1698
1699                if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_PREPARE) {
1700                        /* Remove MCLK */
1701                        if (da7219->mclk)
1702                                clk_disable_unprepare(da7219->mclk);
1703                }
1704                break;
1705        case SND_SOC_BIAS_OFF:
1706                /* Only disable master bias if we're not a wake-up source */
1707                if (!da7219->wakeup_source)
1708                        snd_soc_component_update_bits(component, DA7219_REFERENCES,
1709                                            DA7219_BIAS_EN_MASK, 0);
1710
1711                break;
1712        }
1713
1714        return 0;
1715}
1716
1717static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = {
1718        [DA7219_SUPPLY_VDD] = "VDD",
1719        [DA7219_SUPPLY_VDDMIC] = "VDDMIC",
1720        [DA7219_SUPPLY_VDDIO] = "VDDIO",
1721};
1722
1723static int da7219_handle_supplies(struct snd_soc_component *component)
1724{
1725        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1726        struct regulator *vddio;
1727        u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
1728        int i, ret;
1729
1730        /* Get required supplies */
1731        for (i = 0; i < DA7219_NUM_SUPPLIES; ++i)
1732                da7219->supplies[i].supply = da7219_supply_names[i];
1733
1734        ret = devm_regulator_bulk_get(component->dev, DA7219_NUM_SUPPLIES,
1735                                      da7219->supplies);
1736        if (ret) {
1737                dev_err(component->dev, "Failed to get supplies");
1738                return ret;
1739        }
1740
1741        /* Determine VDDIO voltage provided */
1742        vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer;
1743        ret = regulator_get_voltage(vddio);
1744        if (ret < 1200000)
1745                dev_warn(component->dev, "Invalid VDDIO voltage\n");
1746        else if (ret < 2800000)
1747                io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
1748
1749        /* Enable main supplies */
1750        ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies);
1751        if (ret) {
1752                dev_err(component->dev, "Failed to enable supplies");
1753                return ret;
1754        }
1755
1756        /* Ensure device in active mode */
1757        snd_soc_component_write(component, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK);
1758
1759        /* Update IO voltage level range */
1760        snd_soc_component_write(component, DA7219_IO_CTRL, io_voltage_lvl);
1761
1762        return 0;
1763}
1764
1765#ifdef CONFIG_COMMON_CLK
1766static int da7219_dai_clks_prepare(struct clk_hw *hw)
1767{
1768        struct da7219_priv *da7219 =
1769                container_of(hw, struct da7219_priv, dai_clks_hw);
1770        struct snd_soc_component *component = da7219->aad->component;
1771
1772        snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1773                                      DA7219_DAI_CLK_EN_MASK,
1774                                      DA7219_DAI_CLK_EN_MASK);
1775
1776        return 0;
1777}
1778
1779static void da7219_dai_clks_unprepare(struct clk_hw *hw)
1780{
1781        struct da7219_priv *da7219 =
1782                container_of(hw, struct da7219_priv, dai_clks_hw);
1783        struct snd_soc_component *component = da7219->aad->component;
1784
1785        snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1786                                      DA7219_DAI_CLK_EN_MASK, 0);
1787}
1788
1789static int da7219_dai_clks_is_prepared(struct clk_hw *hw)
1790{
1791        struct da7219_priv *da7219 =
1792                container_of(hw, struct da7219_priv, dai_clks_hw);
1793        struct snd_soc_component *component = da7219->aad->component;
1794        u8 clk_reg;
1795
1796        clk_reg = snd_soc_component_read32(component, DA7219_DAI_CLK_MODE);
1797
1798        return !!(clk_reg & DA7219_DAI_CLK_EN_MASK);
1799}
1800
1801static const struct clk_ops da7219_dai_clks_ops = {
1802        .prepare = da7219_dai_clks_prepare,
1803        .unprepare = da7219_dai_clks_unprepare,
1804        .is_prepared = da7219_dai_clks_is_prepared,
1805};
1806
1807static void da7219_register_dai_clks(struct snd_soc_component *component)
1808{
1809        struct device *dev = component->dev;
1810        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1811        struct da7219_pdata *pdata = da7219->pdata;
1812        struct clk_init_data init = {};
1813        struct clk *dai_clks;
1814        struct clk_lookup *dai_clks_lookup;
1815
1816        init.parent_names = NULL;
1817        init.num_parents = 0;
1818        init.name = pdata->dai_clks_name;
1819        init.ops = &da7219_dai_clks_ops;
1820        da7219->dai_clks_hw.init = &init;
1821
1822        dai_clks = devm_clk_register(dev, &da7219->dai_clks_hw);
1823        if (IS_ERR(dai_clks)) {
1824                dev_warn(dev, "Failed to register DAI clocks: %ld\n",
1825                         PTR_ERR(dai_clks));
1826                return;
1827        }
1828        da7219->dai_clks = dai_clks;
1829
1830        /* If we're using DT, then register as provider accordingly */
1831        if (dev->of_node) {
1832                devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get,
1833                                            &da7219->dai_clks_hw);
1834        } else {
1835                dai_clks_lookup = clkdev_create(dai_clks, pdata->dai_clks_name,
1836                                                "%s", dev_name(dev));
1837                if (!dai_clks_lookup)
1838                        dev_warn(dev, "Failed to create DAI clkdev");
1839                else
1840                        da7219->dai_clks_lookup = dai_clks_lookup;
1841        }
1842}
1843#else
1844static inline void da7219_register_dai_clks(struct snd_soc_component *component) {}
1845#endif /* CONFIG_COMMON_CLK */
1846
1847static void da7219_handle_pdata(struct snd_soc_component *component)
1848{
1849        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1850        struct da7219_pdata *pdata = da7219->pdata;
1851
1852        if (pdata) {
1853                u8 micbias_lvl = 0;
1854
1855                da7219->wakeup_source = pdata->wakeup_source;
1856
1857                da7219_register_dai_clks(component);
1858
1859                /* Mic Bias voltages */
1860                switch (pdata->micbias_lvl) {
1861                case DA7219_MICBIAS_1_6V:
1862                case DA7219_MICBIAS_1_8V:
1863                case DA7219_MICBIAS_2_0V:
1864                case DA7219_MICBIAS_2_2V:
1865                case DA7219_MICBIAS_2_4V:
1866                case DA7219_MICBIAS_2_6V:
1867                        micbias_lvl |= (pdata->micbias_lvl <<
1868                                        DA7219_MICBIAS1_LEVEL_SHIFT);
1869                        break;
1870                }
1871
1872                snd_soc_component_write(component, DA7219_MICBIAS_CTRL, micbias_lvl);
1873
1874                /*
1875                 * Calculate delay required to compensate for DC offset in
1876                 * Mic PGA, based on Mic Bias voltage.
1877                 */
1878                da7219->mic_pga_delay =  DA7219_MIC_PGA_BASE_DELAY +
1879                                        (pdata->micbias_lvl *
1880                                         DA7219_MIC_PGA_OFFSET_DELAY);
1881
1882                /* Mic */
1883                switch (pdata->mic_amp_in_sel) {
1884                case DA7219_MIC_AMP_IN_SEL_DIFF:
1885                case DA7219_MIC_AMP_IN_SEL_SE_P:
1886                case DA7219_MIC_AMP_IN_SEL_SE_N:
1887                        snd_soc_component_write(component, DA7219_MIC_1_SELECT,
1888                                      pdata->mic_amp_in_sel);
1889                        break;
1890                }
1891        }
1892}
1893
1894static struct reg_sequence da7219_rev_aa_patch[] = {
1895        { DA7219_REFERENCES, 0x08 },
1896};
1897
1898static int da7219_probe(struct snd_soc_component *component)
1899{
1900        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1901        unsigned int rev;
1902        int ret;
1903
1904        mutex_init(&da7219->ctrl_lock);
1905        mutex_init(&da7219->pll_lock);
1906
1907        /* Regulator configuration */
1908        ret = da7219_handle_supplies(component);
1909        if (ret)
1910                return ret;
1911
1912        ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
1913        if (ret) {
1914                dev_err(component->dev, "Failed to read chip revision: %d\n", ret);
1915                goto err_disable_reg;
1916        }
1917
1918        switch (rev & DA7219_CHIP_MINOR_MASK) {
1919        case 0:
1920                ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
1921                                            ARRAY_SIZE(da7219_rev_aa_patch));
1922                if (ret) {
1923                        dev_err(component->dev, "Failed to register AA patch: %d\n",
1924                                ret);
1925                        goto err_disable_reg;
1926                }
1927                break;
1928        default:
1929                break;
1930        }
1931
1932        /* Handle DT/ACPI/Platform data */
1933        da7219->pdata = dev_get_platdata(component->dev);
1934        if (!da7219->pdata)
1935                da7219->pdata = da7219_fw_to_pdata(component);
1936
1937        da7219_handle_pdata(component);
1938
1939        /* Check if MCLK provided */
1940        da7219->mclk = devm_clk_get(component->dev, "mclk");
1941        if (IS_ERR(da7219->mclk)) {
1942                if (PTR_ERR(da7219->mclk) != -ENOENT) {
1943                        ret = PTR_ERR(da7219->mclk);
1944                        goto err_disable_reg;
1945                } else {
1946                        da7219->mclk = NULL;
1947                }
1948        }
1949
1950        /* Default PC counter to free-running */
1951        snd_soc_component_update_bits(component, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
1952                            DA7219_PC_FREERUN_MASK);
1953
1954        /* Default gain ramping */
1955        snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL,
1956                            DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
1957                            DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
1958        snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
1959                            DA7219_ADC_L_RAMP_EN_MASK);
1960        snd_soc_component_update_bits(component, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
1961                            DA7219_DAC_L_RAMP_EN_MASK);
1962        snd_soc_component_update_bits(component, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
1963                            DA7219_DAC_R_RAMP_EN_MASK);
1964        snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
1965                            DA7219_HP_L_AMP_RAMP_EN_MASK,
1966                            DA7219_HP_L_AMP_RAMP_EN_MASK);
1967        snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
1968                            DA7219_HP_R_AMP_RAMP_EN_MASK,
1969                            DA7219_HP_R_AMP_RAMP_EN_MASK);
1970
1971        /* Default minimum gain on HP to avoid pops during DAPM sequencing */
1972        snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
1973                            DA7219_HP_L_AMP_MIN_GAIN_EN_MASK,
1974                            DA7219_HP_L_AMP_MIN_GAIN_EN_MASK);
1975        snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
1976                            DA7219_HP_R_AMP_MIN_GAIN_EN_MASK,
1977                            DA7219_HP_R_AMP_MIN_GAIN_EN_MASK);
1978
1979        /* Default infinite tone gen, start/stop by Kcontrol */
1980        snd_soc_component_write(component, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
1981
1982        /* Initialise AAD block */
1983        ret = da7219_aad_init(component);
1984        if (ret)
1985                goto err_disable_reg;
1986
1987        return 0;
1988
1989err_disable_reg:
1990        regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
1991
1992        return ret;
1993}
1994
1995static void da7219_remove(struct snd_soc_component *component)
1996{
1997        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1998
1999        da7219_aad_exit(component);
2000
2001#ifdef CONFIG_COMMON_CLK
2002        if (da7219->dai_clks_lookup)
2003                clkdev_drop(da7219->dai_clks_lookup);
2004#endif
2005
2006        /* Supplies */
2007        regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
2008}
2009
2010#ifdef CONFIG_PM
2011static int da7219_suspend(struct snd_soc_component *component)
2012{
2013        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2014
2015        /* Suspend AAD if we're not a wake-up source */
2016        if (!da7219->wakeup_source)
2017                da7219_aad_suspend(component);
2018
2019        snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
2020
2021        return 0;
2022}
2023
2024static int da7219_resume(struct snd_soc_component *component)
2025{
2026        struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2027
2028        snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
2029
2030        /* Resume AAD if previously suspended */
2031        if (!da7219->wakeup_source)
2032                da7219_aad_resume(component);
2033
2034        return 0;
2035}
2036#else
2037#define da7219_suspend NULL
2038#define da7219_resume NULL
2039#endif
2040
2041static const struct snd_soc_component_driver soc_component_dev_da7219 = {
2042        .probe                  = da7219_probe,
2043        .remove                 = da7219_remove,
2044        .suspend                = da7219_suspend,
2045        .resume                 = da7219_resume,
2046        .set_bias_level         = da7219_set_bias_level,
2047        .controls               = da7219_snd_controls,
2048        .num_controls           = ARRAY_SIZE(da7219_snd_controls),
2049        .dapm_widgets           = da7219_dapm_widgets,
2050        .num_dapm_widgets       = ARRAY_SIZE(da7219_dapm_widgets),
2051        .dapm_routes            = da7219_audio_map,
2052        .num_dapm_routes        = ARRAY_SIZE(da7219_audio_map),
2053        .idle_bias_on           = 1,
2054        .use_pmdown_time        = 1,
2055        .endianness             = 1,
2056        .non_legacy_dai_naming  = 1,
2057};
2058
2059
2060/*
2061 * Regmap configs
2062 */
2063
2064static struct reg_default da7219_reg_defaults[] = {
2065        { DA7219_MIC_1_SELECT, 0x00 },
2066        { DA7219_CIF_TIMEOUT_CTRL, 0x01 },
2067        { DA7219_SR_24_48, 0x00 },
2068        { DA7219_SR, 0x0A },
2069        { DA7219_CIF_I2C_ADDR_CFG, 0x02 },
2070        { DA7219_PLL_CTRL, 0x10 },
2071        { DA7219_PLL_FRAC_TOP, 0x00 },
2072        { DA7219_PLL_FRAC_BOT, 0x00 },
2073        { DA7219_PLL_INTEGER, 0x20 },
2074        { DA7219_DIG_ROUTING_DAI, 0x10 },
2075        { DA7219_DAI_CLK_MODE, 0x01 },
2076        { DA7219_DAI_CTRL, 0x28 },
2077        { DA7219_DAI_TDM_CTRL, 0x40 },
2078        { DA7219_DIG_ROUTING_DAC, 0x32 },
2079        { DA7219_DAI_OFFSET_LOWER, 0x00 },
2080        { DA7219_DAI_OFFSET_UPPER, 0x00 },
2081        { DA7219_REFERENCES, 0x08 },
2082        { DA7219_MIXIN_L_SELECT, 0x00 },
2083        { DA7219_MIXIN_L_GAIN, 0x03 },
2084        { DA7219_ADC_L_GAIN, 0x6F },
2085        { DA7219_ADC_FILTERS1, 0x80 },
2086        { DA7219_MIC_1_GAIN, 0x01 },
2087        { DA7219_SIDETONE_CTRL, 0x40 },
2088        { DA7219_SIDETONE_GAIN, 0x0E },
2089        { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 },
2090        { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 },
2091        { DA7219_DAC_FILTERS5, 0x00 },
2092        { DA7219_DAC_FILTERS2, 0x88 },
2093        { DA7219_DAC_FILTERS3, 0x88 },
2094        { DA7219_DAC_FILTERS4, 0x08 },
2095        { DA7219_DAC_FILTERS1, 0x80 },
2096        { DA7219_DAC_L_GAIN, 0x6F },
2097        { DA7219_DAC_R_GAIN, 0x6F },
2098        { DA7219_CP_CTRL, 0x20 },
2099        { DA7219_HP_L_GAIN, 0x39 },
2100        { DA7219_HP_R_GAIN, 0x39 },
2101        { DA7219_MIXOUT_L_SELECT, 0x00 },
2102        { DA7219_MIXOUT_R_SELECT, 0x00 },
2103        { DA7219_MICBIAS_CTRL, 0x03 },
2104        { DA7219_MIC_1_CTRL, 0x40 },
2105        { DA7219_MIXIN_L_CTRL, 0x40 },
2106        { DA7219_ADC_L_CTRL, 0x40 },
2107        { DA7219_DAC_L_CTRL, 0x40 },
2108        { DA7219_DAC_R_CTRL, 0x40 },
2109        { DA7219_HP_L_CTRL, 0x40 },
2110        { DA7219_HP_R_CTRL, 0x40 },
2111        { DA7219_MIXOUT_L_CTRL, 0x10 },
2112        { DA7219_MIXOUT_R_CTRL, 0x10 },
2113        { DA7219_CHIP_ID1, 0x23 },
2114        { DA7219_CHIP_ID2, 0x93 },
2115        { DA7219_IO_CTRL, 0x00 },
2116        { DA7219_GAIN_RAMP_CTRL, 0x00 },
2117        { DA7219_PC_COUNT, 0x02 },
2118        { DA7219_CP_VOL_THRESHOLD1, 0x0E },
2119        { DA7219_DIG_CTRL, 0x00 },
2120        { DA7219_ALC_CTRL2, 0x00 },
2121        { DA7219_ALC_CTRL3, 0x00 },
2122        { DA7219_ALC_NOISE, 0x3F },
2123        { DA7219_ALC_TARGET_MIN, 0x3F },
2124        { DA7219_ALC_TARGET_MAX, 0x00 },
2125        { DA7219_ALC_GAIN_LIMITS, 0xFF },
2126        { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 },
2127        { DA7219_ALC_ANTICLIP_CTRL, 0x00 },
2128        { DA7219_ALC_ANTICLIP_LEVEL, 0x00 },
2129        { DA7219_DAC_NG_SETUP_TIME, 0x00 },
2130        { DA7219_DAC_NG_OFF_THRESH, 0x00 },
2131        { DA7219_DAC_NG_ON_THRESH, 0x00 },
2132        { DA7219_DAC_NG_CTRL, 0x00 },
2133        { DA7219_TONE_GEN_CFG1, 0x00 },
2134        { DA7219_TONE_GEN_CFG2, 0x00 },
2135        { DA7219_TONE_GEN_CYCLES, 0x00 },
2136        { DA7219_TONE_GEN_FREQ1_L, 0x55 },
2137        { DA7219_TONE_GEN_FREQ1_U, 0x15 },
2138        { DA7219_TONE_GEN_FREQ2_L, 0x00 },
2139        { DA7219_TONE_GEN_FREQ2_U, 0x40 },
2140        { DA7219_TONE_GEN_ON_PER, 0x02 },
2141        { DA7219_TONE_GEN_OFF_PER, 0x01 },
2142        { DA7219_ACCDET_IRQ_MASK_A, 0x00 },
2143        { DA7219_ACCDET_IRQ_MASK_B, 0x00 },
2144        { DA7219_ACCDET_CONFIG_1, 0xD6 },
2145        { DA7219_ACCDET_CONFIG_2, 0x34 },
2146        { DA7219_ACCDET_CONFIG_3, 0x0A },
2147        { DA7219_ACCDET_CONFIG_4, 0x16 },
2148        { DA7219_ACCDET_CONFIG_5, 0x21 },
2149        { DA7219_ACCDET_CONFIG_6, 0x3E },
2150        { DA7219_ACCDET_CONFIG_7, 0x01 },
2151        { DA7219_SYSTEM_ACTIVE, 0x00 },
2152};
2153
2154static bool da7219_volatile_register(struct device *dev, unsigned int reg)
2155{
2156        switch (reg) {
2157        case DA7219_MIC_1_GAIN_STATUS:
2158        case DA7219_MIXIN_L_GAIN_STATUS:
2159        case DA7219_ADC_L_GAIN_STATUS:
2160        case DA7219_DAC_L_GAIN_STATUS:
2161        case DA7219_DAC_R_GAIN_STATUS:
2162        case DA7219_HP_L_GAIN_STATUS:
2163        case DA7219_HP_R_GAIN_STATUS:
2164        case DA7219_CIF_CTRL:
2165        case DA7219_PLL_SRM_STS:
2166        case DA7219_ALC_CTRL1:
2167        case DA7219_SYSTEM_MODES_INPUT:
2168        case DA7219_SYSTEM_MODES_OUTPUT:
2169        case DA7219_ALC_OFFSET_AUTO_M_L:
2170        case DA7219_ALC_OFFSET_AUTO_U_L:
2171        case DA7219_TONE_GEN_CFG1:
2172        case DA7219_ACCDET_STATUS_A:
2173        case DA7219_ACCDET_STATUS_B:
2174        case DA7219_ACCDET_IRQ_EVENT_A:
2175        case DA7219_ACCDET_IRQ_EVENT_B:
2176        case DA7219_ACCDET_CONFIG_8:
2177        case DA7219_SYSTEM_STATUS:
2178                return true;
2179        default:
2180                return false;
2181        }
2182}
2183
2184static const struct regmap_config da7219_regmap_config = {
2185        .reg_bits = 8,
2186        .val_bits = 8,
2187
2188        .max_register = DA7219_SYSTEM_ACTIVE,
2189        .reg_defaults = da7219_reg_defaults,
2190        .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults),
2191        .volatile_reg = da7219_volatile_register,
2192        .cache_type = REGCACHE_RBTREE,
2193};
2194
2195
2196/*
2197 * I2C layer
2198 */
2199
2200static int da7219_i2c_probe(struct i2c_client *i2c,
2201                            const struct i2c_device_id *id)
2202{
2203        struct da7219_priv *da7219;
2204        unsigned int system_active, system_status;
2205        int i, ret;
2206
2207        da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv),
2208                              GFP_KERNEL);
2209        if (!da7219)
2210                return -ENOMEM;
2211
2212        i2c_set_clientdata(i2c, da7219);
2213
2214        da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
2215        if (IS_ERR(da7219->regmap)) {
2216                ret = PTR_ERR(da7219->regmap);
2217                dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2218                return ret;
2219        }
2220
2221        regcache_cache_bypass(da7219->regmap, true);
2222
2223        /* Disable audio paths if still active from previous start */
2224        regmap_read(da7219->regmap, DA7219_SYSTEM_ACTIVE, &system_active);
2225        if (system_active) {
2226                regmap_write(da7219->regmap, DA7219_GAIN_RAMP_CTRL,
2227                             DA7219_GAIN_RAMP_RATE_NOMINAL);
2228                regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_INPUT, 0x00);
2229                regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_OUTPUT, 0x01);
2230
2231                for (i = 0; i < DA7219_SYS_STAT_CHECK_RETRIES; ++i) {
2232                        regmap_read(da7219->regmap, DA7219_SYSTEM_STATUS,
2233                                    &system_status);
2234                        if (!system_status)
2235                                break;
2236
2237                        msleep(DA7219_SYS_STAT_CHECK_DELAY);
2238                }
2239        }
2240
2241        /* Soft reset component */
2242        regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1,
2243                          DA7219_ACCDET_EN_MASK, 0);
2244        regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL,
2245                          DA7219_CIF_REG_SOFT_RESET_MASK,
2246                          DA7219_CIF_REG_SOFT_RESET_MASK);
2247        regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE,
2248                          DA7219_SYSTEM_ACTIVE_MASK, 0);
2249
2250        regcache_cache_bypass(da7219->regmap, false);
2251
2252        ret = devm_snd_soc_register_component(&i2c->dev,
2253                                     &soc_component_dev_da7219,
2254                                     &da7219_dai, 1);
2255        if (ret < 0) {
2256                dev_err(&i2c->dev, "Failed to register da7219 component: %d\n",
2257                        ret);
2258        }
2259        return ret;
2260}
2261
2262static int da7219_i2c_remove(struct i2c_client *client)
2263{
2264        return 0;
2265}
2266
2267static const struct i2c_device_id da7219_i2c_id[] = {
2268        { "da7219", },
2269        { }
2270};
2271MODULE_DEVICE_TABLE(i2c, da7219_i2c_id);
2272
2273static struct i2c_driver da7219_i2c_driver = {
2274        .driver = {
2275                .name = "da7219",
2276                .of_match_table = of_match_ptr(da7219_of_match),
2277                .acpi_match_table = ACPI_PTR(da7219_acpi_match),
2278        },
2279        .probe          = da7219_i2c_probe,
2280        .remove         = da7219_i2c_remove,
2281        .id_table       = da7219_i2c_id,
2282};
2283
2284module_i2c_driver(da7219_i2c_driver);
2285
2286MODULE_DESCRIPTION("ASoC DA7219 Codec Driver");
2287MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
2288MODULE_LICENSE("GPL");
2289