linux/sound/soc/codecs/rt298.c
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   1/*
   2 * rt298.c  --  RT298 ALSA SoC audio codec driver
   3 *
   4 * Copyright 2015 Realtek Semiconductor Corp.
   5 * Author: Bard Liao <bardliao@realtek.com>
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License version 2 as
   9 * published by the Free Software Foundation.
  10 */
  11
  12#include <linux/module.h>
  13#include <linux/moduleparam.h>
  14#include <linux/init.h>
  15#include <linux/delay.h>
  16#include <linux/pm.h>
  17#include <linux/i2c.h>
  18#include <linux/platform_device.h>
  19#include <linux/spi/spi.h>
  20#include <linux/dmi.h>
  21#include <linux/acpi.h>
  22#include <sound/core.h>
  23#include <sound/pcm.h>
  24#include <sound/pcm_params.h>
  25#include <sound/soc.h>
  26#include <sound/soc-dapm.h>
  27#include <sound/initval.h>
  28#include <sound/tlv.h>
  29#include <sound/jack.h>
  30#include <linux/workqueue.h>
  31#include <sound/rt298.h>
  32
  33#include "rl6347a.h"
  34#include "rt298.h"
  35
  36#define RT298_VENDOR_ID 0x10ec0298
  37
  38struct rt298_priv {
  39        struct reg_default *index_cache;
  40        int index_cache_size;
  41        struct regmap *regmap;
  42        struct snd_soc_codec *codec;
  43        struct rt298_platform_data pdata;
  44        struct i2c_client *i2c;
  45        struct snd_soc_jack *jack;
  46        struct delayed_work jack_detect_work;
  47        int sys_clk;
  48        int clk_id;
  49        int is_hp_in;
  50};
  51
  52static const struct reg_default rt298_index_def[] = {
  53        { 0x01, 0xa5a8 },
  54        { 0x02, 0x8e95 },
  55        { 0x03, 0x0002 },
  56        { 0x04, 0xaf67 },
  57        { 0x08, 0x200f },
  58        { 0x09, 0xd010 },
  59        { 0x0a, 0x0100 },
  60        { 0x0b, 0x0000 },
  61        { 0x0d, 0x2800 },
  62        { 0x0f, 0x0022 },
  63        { 0x19, 0x0217 },
  64        { 0x20, 0x0020 },
  65        { 0x33, 0x0208 },
  66        { 0x46, 0x0300 },
  67        { 0x49, 0x4004 },
  68        { 0x4f, 0x50c9 },
  69        { 0x50, 0x3000 },
  70        { 0x63, 0x1b02 },
  71        { 0x67, 0x1111 },
  72        { 0x68, 0x1016 },
  73        { 0x69, 0x273f },
  74};
  75#define INDEX_CACHE_SIZE ARRAY_SIZE(rt298_index_def)
  76
  77static const struct reg_default rt298_reg[] = {
  78        { 0x00170500, 0x00000400 },
  79        { 0x00220000, 0x00000031 },
  80        { 0x00239000, 0x0000007f },
  81        { 0x0023a000, 0x0000007f },
  82        { 0x00270500, 0x00000400 },
  83        { 0x00370500, 0x00000400 },
  84        { 0x00870500, 0x00000400 },
  85        { 0x00920000, 0x00000031 },
  86        { 0x00935000, 0x000000c3 },
  87        { 0x00936000, 0x000000c3 },
  88        { 0x00970500, 0x00000400 },
  89        { 0x00b37000, 0x00000097 },
  90        { 0x00b37200, 0x00000097 },
  91        { 0x00b37300, 0x00000097 },
  92        { 0x00c37000, 0x00000000 },
  93        { 0x00c37100, 0x00000080 },
  94        { 0x01270500, 0x00000400 },
  95        { 0x01370500, 0x00000400 },
  96        { 0x01371f00, 0x411111f0 },
  97        { 0x01439000, 0x00000080 },
  98        { 0x0143a000, 0x00000080 },
  99        { 0x01470700, 0x00000000 },
 100        { 0x01470500, 0x00000400 },
 101        { 0x01470c00, 0x00000000 },
 102        { 0x01470100, 0x00000000 },
 103        { 0x01837000, 0x00000000 },
 104        { 0x01870500, 0x00000400 },
 105        { 0x02050000, 0x00000000 },
 106        { 0x02139000, 0x00000080 },
 107        { 0x0213a000, 0x00000080 },
 108        { 0x02170100, 0x00000000 },
 109        { 0x02170500, 0x00000400 },
 110        { 0x02170700, 0x00000000 },
 111        { 0x02270100, 0x00000000 },
 112        { 0x02370100, 0x00000000 },
 113        { 0x01870700, 0x00000020 },
 114        { 0x00830000, 0x000000c3 },
 115        { 0x00930000, 0x000000c3 },
 116        { 0x01270700, 0x00000000 },
 117};
 118
 119static bool rt298_volatile_register(struct device *dev, unsigned int reg)
 120{
 121        switch (reg) {
 122        case 0 ... 0xff:
 123        case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
 124        case RT298_GET_HP_SENSE:
 125        case RT298_GET_MIC1_SENSE:
 126        case RT298_PROC_COEF:
 127        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
 128        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
 129        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
 130                return true;
 131        default:
 132                return false;
 133        }
 134
 135
 136}
 137
 138static bool rt298_readable_register(struct device *dev, unsigned int reg)
 139{
 140        switch (reg) {
 141        case 0 ... 0xff:
 142        case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
 143        case RT298_GET_HP_SENSE:
 144        case RT298_GET_MIC1_SENSE:
 145        case RT298_SET_AUDIO_POWER:
 146        case RT298_SET_HPO_POWER:
 147        case RT298_SET_SPK_POWER:
 148        case RT298_SET_DMIC1_POWER:
 149        case RT298_SPK_MUX:
 150        case RT298_HPO_MUX:
 151        case RT298_ADC0_MUX:
 152        case RT298_ADC1_MUX:
 153        case RT298_SET_MIC1:
 154        case RT298_SET_PIN_HPO:
 155        case RT298_SET_PIN_SPK:
 156        case RT298_SET_PIN_DMIC1:
 157        case RT298_SPK_EAPD:
 158        case RT298_SET_AMP_GAIN_HPO:
 159        case RT298_SET_DMIC2_DEFAULT:
 160        case RT298_DACL_GAIN:
 161        case RT298_DACR_GAIN:
 162        case RT298_ADCL_GAIN:
 163        case RT298_ADCR_GAIN:
 164        case RT298_MIC_GAIN:
 165        case RT298_SPOL_GAIN:
 166        case RT298_SPOR_GAIN:
 167        case RT298_HPOL_GAIN:
 168        case RT298_HPOR_GAIN:
 169        case RT298_F_DAC_SWITCH:
 170        case RT298_F_RECMIX_SWITCH:
 171        case RT298_REC_MIC_SWITCH:
 172        case RT298_REC_I2S_SWITCH:
 173        case RT298_REC_LINE_SWITCH:
 174        case RT298_REC_BEEP_SWITCH:
 175        case RT298_DAC_FORMAT:
 176        case RT298_ADC_FORMAT:
 177        case RT298_COEF_INDEX:
 178        case RT298_PROC_COEF:
 179        case RT298_SET_AMP_GAIN_ADC_IN1:
 180        case RT298_SET_AMP_GAIN_ADC_IN2:
 181        case RT298_SET_POWER(RT298_DAC_OUT1):
 182        case RT298_SET_POWER(RT298_DAC_OUT2):
 183        case RT298_SET_POWER(RT298_ADC_IN1):
 184        case RT298_SET_POWER(RT298_ADC_IN2):
 185        case RT298_SET_POWER(RT298_DMIC2):
 186        case RT298_SET_POWER(RT298_MIC1):
 187        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
 188        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
 189        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
 190                return true;
 191        default:
 192                return false;
 193        }
 194}
 195
 196#ifdef CONFIG_PM
 197static void rt298_index_sync(struct snd_soc_codec *codec)
 198{
 199        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 200        int i;
 201
 202        for (i = 0; i < INDEX_CACHE_SIZE; i++) {
 203                snd_soc_write(codec, rt298->index_cache[i].reg,
 204                                  rt298->index_cache[i].def);
 205        }
 206}
 207#endif
 208
 209static int rt298_support_power_controls[] = {
 210        RT298_DAC_OUT1,
 211        RT298_DAC_OUT2,
 212        RT298_ADC_IN1,
 213        RT298_ADC_IN2,
 214        RT298_MIC1,
 215        RT298_DMIC1,
 216        RT298_DMIC2,
 217        RT298_SPK_OUT,
 218        RT298_HP_OUT,
 219};
 220#define RT298_POWER_REG_LEN ARRAY_SIZE(rt298_support_power_controls)
 221
 222static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic)
 223{
 224        struct snd_soc_dapm_context *dapm;
 225        unsigned int val, buf;
 226
 227        *hp = false;
 228        *mic = false;
 229
 230        if (!rt298->codec)
 231                return -EINVAL;
 232
 233        dapm = snd_soc_codec_get_dapm(rt298->codec);
 234
 235        if (rt298->pdata.cbj_en) {
 236                regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
 237                *hp = buf & 0x80000000;
 238                if (*hp == rt298->is_hp_in)
 239                        return -1;
 240                rt298->is_hp_in = *hp;
 241                if (*hp) {
 242                        /* power on HV,VERF */
 243                        regmap_update_bits(rt298->regmap,
 244                                RT298_DC_GAIN, 0x200, 0x200);
 245
 246                        snd_soc_dapm_force_enable_pin(dapm, "HV");
 247                        snd_soc_dapm_force_enable_pin(dapm, "VREF");
 248                        /* power LDO1 */
 249                        snd_soc_dapm_force_enable_pin(dapm, "LDO1");
 250                        snd_soc_dapm_sync(dapm);
 251
 252                        regmap_update_bits(rt298->regmap,
 253                                RT298_POWER_CTRL1, 0x1001, 0);
 254                        regmap_update_bits(rt298->regmap,
 255                                RT298_POWER_CTRL2, 0x4, 0x4);
 256
 257                        regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24);
 258                        msleep(50);
 259
 260                        regmap_update_bits(rt298->regmap,
 261                                RT298_CBJ_CTRL1, 0xfcc0, 0xd400);
 262                        msleep(300);
 263                        regmap_read(rt298->regmap, RT298_CBJ_CTRL2, &val);
 264
 265                        if (0x0070 == (val & 0x0070)) {
 266                                *mic = true;
 267                        } else {
 268                                regmap_update_bits(rt298->regmap,
 269                                        RT298_CBJ_CTRL1, 0xfcc0, 0xe400);
 270                                msleep(300);
 271                                regmap_read(rt298->regmap,
 272                                        RT298_CBJ_CTRL2, &val);
 273                                if (0x0070 == (val & 0x0070))
 274                                        *mic = true;
 275                                else
 276                                        *mic = false;
 277                        }
 278                        regmap_update_bits(rt298->regmap,
 279                                RT298_DC_GAIN, 0x200, 0x0);
 280
 281                } else {
 282                        *mic = false;
 283                        regmap_write(rt298->regmap, RT298_SET_MIC1, 0x20);
 284                        regmap_update_bits(rt298->regmap,
 285                                RT298_CBJ_CTRL1, 0x0400, 0x0000);
 286                }
 287        } else {
 288                regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
 289                *hp = buf & 0x80000000;
 290                regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);
 291                *mic = buf & 0x80000000;
 292        }
 293
 294        snd_soc_dapm_disable_pin(dapm, "HV");
 295        snd_soc_dapm_disable_pin(dapm, "VREF");
 296        if (!*hp)
 297                snd_soc_dapm_disable_pin(dapm, "LDO1");
 298        snd_soc_dapm_sync(dapm);
 299
 300        pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
 301
 302        return 0;
 303}
 304
 305static void rt298_jack_detect_work(struct work_struct *work)
 306{
 307        struct rt298_priv *rt298 =
 308                container_of(work, struct rt298_priv, jack_detect_work.work);
 309        int status = 0;
 310        bool hp = false;
 311        bool mic = false;
 312
 313        if (rt298_jack_detect(rt298, &hp, &mic) < 0)
 314                return;
 315
 316        if (hp == true)
 317                status |= SND_JACK_HEADPHONE;
 318
 319        if (mic == true)
 320                status |= SND_JACK_MICROPHONE;
 321
 322        snd_soc_jack_report(rt298->jack, status,
 323                SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 324}
 325
 326int rt298_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
 327{
 328        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 329
 330        rt298->jack = jack;
 331
 332        /* Send an initial empty report */
 333        snd_soc_jack_report(rt298->jack, 0,
 334                SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 335
 336        return 0;
 337}
 338EXPORT_SYMBOL_GPL(rt298_mic_detect);
 339
 340static int is_mclk_mode(struct snd_soc_dapm_widget *source,
 341                         struct snd_soc_dapm_widget *sink)
 342{
 343        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
 344        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 345
 346        if (rt298->clk_id == RT298_SCLK_S_MCLK)
 347                return 1;
 348        else
 349                return 0;
 350}
 351
 352static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
 353static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
 354
 355static const struct snd_kcontrol_new rt298_snd_controls[] = {
 356        SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
 357                            RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
 358        SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
 359                            RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
 360        SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
 361                            0, 0x3, 0, mic_vol_tlv),
 362        SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
 363                            RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
 364};
 365
 366/* Digital Mixer */
 367static const struct snd_kcontrol_new rt298_front_mix[] = {
 368        SOC_DAPM_SINGLE("DAC Switch",  RT298_F_DAC_SWITCH,
 369                        RT298_MUTE_SFT, 1, 1),
 370        SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
 371                        RT298_MUTE_SFT, 1, 1),
 372};
 373
 374/* Analog Input Mixer */
 375static const struct snd_kcontrol_new rt298_rec_mix[] = {
 376        SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
 377                        RT298_MUTE_SFT, 1, 1),
 378        SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
 379                        RT298_MUTE_SFT, 1, 1),
 380        SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
 381                        RT298_MUTE_SFT, 1, 1),
 382        SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
 383                        RT298_MUTE_SFT, 1, 1),
 384};
 385
 386static const struct snd_kcontrol_new spo_enable_control =
 387        SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
 388                        RT298_SET_PIN_SFT, 1, 0);
 389
 390static const struct snd_kcontrol_new hpol_enable_control =
 391        SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
 392                        RT298_MUTE_SFT, 1, 1);
 393
 394static const struct snd_kcontrol_new hpor_enable_control =
 395        SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
 396                        RT298_MUTE_SFT, 1, 1);
 397
 398/* ADC0 source */
 399static const char * const rt298_adc_src[] = {
 400        "Mic", "RECMIX", "Dmic"
 401};
 402
 403static const int rt298_adc_values[] = {
 404        0, 4, 5,
 405};
 406
 407static SOC_VALUE_ENUM_SINGLE_DECL(
 408        rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
 409        RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
 410
 411static const struct snd_kcontrol_new rt298_adc0_mux =
 412        SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
 413
 414static SOC_VALUE_ENUM_SINGLE_DECL(
 415        rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
 416        RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
 417
 418static const struct snd_kcontrol_new rt298_adc1_mux =
 419        SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
 420
 421static const char * const rt298_dac_src[] = {
 422        "Front", "Surround"
 423};
 424/* HP-OUT source */
 425static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
 426                                0, rt298_dac_src);
 427
 428static const struct snd_kcontrol_new rt298_hpo_mux =
 429SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
 430
 431/* SPK-OUT source */
 432static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
 433                                0, rt298_dac_src);
 434
 435static const struct snd_kcontrol_new rt298_spo_mux =
 436SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
 437
 438static int rt298_spk_event(struct snd_soc_dapm_widget *w,
 439                            struct snd_kcontrol *kcontrol, int event)
 440{
 441        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 442
 443        switch (event) {
 444        case SND_SOC_DAPM_POST_PMU:
 445                snd_soc_write(codec,
 446                        RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
 447                break;
 448        case SND_SOC_DAPM_PRE_PMD:
 449                snd_soc_write(codec,
 450                        RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
 451                break;
 452
 453        default:
 454                return 0;
 455        }
 456
 457        return 0;
 458}
 459
 460static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
 461                                  struct snd_kcontrol *kcontrol, int event)
 462{
 463        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 464
 465        switch (event) {
 466        case SND_SOC_DAPM_POST_PMU:
 467                snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0x20);
 468                break;
 469        case SND_SOC_DAPM_PRE_PMD:
 470                snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0);
 471                break;
 472        default:
 473                return 0;
 474        }
 475
 476        return 0;
 477}
 478
 479static int rt298_adc_event(struct snd_soc_dapm_widget *w,
 480                             struct snd_kcontrol *kcontrol, int event)
 481{
 482        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 483        unsigned int nid;
 484
 485        nid = (w->reg >> 20) & 0xff;
 486
 487        switch (event) {
 488        case SND_SOC_DAPM_POST_PMU:
 489                snd_soc_update_bits(codec,
 490                        VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
 491                        0x7080, 0x7000);
 492                 /* If MCLK doesn't exist, reset AD filter */
 493                if (!(snd_soc_read(codec, RT298_VAD_CTRL) & 0x200)) {
 494                        pr_info("NO MCLK\n");
 495                        switch (nid) {
 496                        case RT298_ADC_IN1:
 497                                snd_soc_update_bits(codec,
 498                                        RT298_D_FILTER_CTRL, 0x2, 0x2);
 499                                mdelay(10);
 500                                snd_soc_update_bits(codec,
 501                                        RT298_D_FILTER_CTRL, 0x2, 0x0);
 502                                break;
 503                        case RT298_ADC_IN2:
 504                                snd_soc_update_bits(codec,
 505                                        RT298_D_FILTER_CTRL, 0x4, 0x4);
 506                                mdelay(10);
 507                                snd_soc_update_bits(codec,
 508                                        RT298_D_FILTER_CTRL, 0x4, 0x0);
 509                                break;
 510                        }
 511                }
 512                break;
 513        case SND_SOC_DAPM_PRE_PMD:
 514                snd_soc_update_bits(codec,
 515                        VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
 516                        0x7080, 0x7080);
 517                break;
 518        default:
 519                return 0;
 520        }
 521
 522        return 0;
 523}
 524
 525static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
 526                             struct snd_kcontrol *kcontrol, int event)
 527{
 528        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 529
 530        switch (event) {
 531        case SND_SOC_DAPM_PRE_PMU:
 532                snd_soc_update_bits(codec,
 533                        RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
 534                snd_soc_update_bits(codec,
 535                        RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
 536                break;
 537        case SND_SOC_DAPM_POST_PMD:
 538                snd_soc_update_bits(codec,
 539                        RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
 540                snd_soc_update_bits(codec,
 541                        RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
 542                break;
 543        default:
 544                return 0;
 545        }
 546
 547        return 0;
 548}
 549
 550static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
 551
 552        SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
 553                12, 1, NULL, 0),
 554        SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
 555                0, 1, NULL, 0),
 556        SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
 557                1, 0, NULL, 0),
 558        SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
 559                2, 0, NULL, 0),
 560        SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
 561                3, 0, NULL, 0),
 562        SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
 563                4, 1, NULL, 0),
 564        SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
 565                13, 1, NULL, 0),
 566
 567
 568        SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
 569                5, 0, NULL, 0),
 570        SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
 571                0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
 572                SND_SOC_DAPM_POST_PMD),
 573
 574        /* Input Lines */
 575        SND_SOC_DAPM_INPUT("DMIC1 Pin"),
 576        SND_SOC_DAPM_INPUT("DMIC2 Pin"),
 577        SND_SOC_DAPM_INPUT("MIC1"),
 578        SND_SOC_DAPM_INPUT("LINE1"),
 579        SND_SOC_DAPM_INPUT("Beep"),
 580
 581        /* DMIC */
 582        SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
 583                NULL, 0, rt298_set_dmic1_event,
 584                SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 585        SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
 586                NULL, 0),
 587        SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
 588                0, 0, NULL, 0),
 589
 590        /* REC Mixer */
 591        SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
 592                rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
 593
 594        /* ADCs */
 595        SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
 596        SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
 597
 598        /* ADC Mux */
 599        SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
 600                &rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
 601                SND_SOC_DAPM_POST_PMU),
 602        SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
 603                &rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
 604                SND_SOC_DAPM_POST_PMU),
 605
 606        /* Audio Interface */
 607        SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
 608        SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
 609        SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
 610        SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
 611
 612        /* Output Side */
 613        /* DACs */
 614        SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
 615        SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
 616
 617        /* Output Mux */
 618        SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
 619        SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
 620
 621        SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
 622                RT298_SET_PIN_SFT, 0, NULL, 0),
 623
 624        /* Output Mixer */
 625        SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
 626                        rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
 627        SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
 628                        NULL, 0),
 629
 630        /* Output Pga */
 631        SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
 632                &spo_enable_control, rt298_spk_event,
 633                SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 634        SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
 635                &hpol_enable_control),
 636        SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
 637                &hpor_enable_control),
 638
 639        /* Output Lines */
 640        SND_SOC_DAPM_OUTPUT("SPOL"),
 641        SND_SOC_DAPM_OUTPUT("SPOR"),
 642        SND_SOC_DAPM_OUTPUT("HPO Pin"),
 643        SND_SOC_DAPM_OUTPUT("SPDIF"),
 644};
 645
 646static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
 647
 648        {"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
 649        {"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
 650        {"Front", NULL, "MCLK MODE", is_mclk_mode},
 651        {"Surround", NULL, "MCLK MODE", is_mclk_mode},
 652
 653        {"HP Power", NULL, "LDO1"},
 654        {"HP Power", NULL, "LDO2"},
 655        {"HP Power", NULL, "LV"},
 656        {"HP Power", NULL, "VREF1"},
 657        {"HP Power", NULL, "BG_MBIAS"},
 658
 659        {"MIC1", NULL, "LDO1"},
 660        {"MIC1", NULL, "LDO2"},
 661        {"MIC1", NULL, "HV"},
 662        {"MIC1", NULL, "LV"},
 663        {"MIC1", NULL, "VREF"},
 664        {"MIC1", NULL, "VREF1"},
 665        {"MIC1", NULL, "BG_MBIAS"},
 666        {"MIC1", NULL, "MIC1 Input Buffer"},
 667
 668        {"SPO", NULL, "LDO1"},
 669        {"SPO", NULL, "LDO2"},
 670        {"SPO", NULL, "HV"},
 671        {"SPO", NULL, "LV"},
 672        {"SPO", NULL, "VREF"},
 673        {"SPO", NULL, "VREF1"},
 674        {"SPO", NULL, "BG_MBIAS"},
 675
 676        {"DMIC1", NULL, "DMIC1 Pin"},
 677        {"DMIC2", NULL, "DMIC2 Pin"},
 678        {"DMIC1", NULL, "DMIC Receiver"},
 679        {"DMIC2", NULL, "DMIC Receiver"},
 680
 681        {"RECMIX", "Beep Switch", "Beep"},
 682        {"RECMIX", "Line1 Switch", "LINE1"},
 683        {"RECMIX", "Mic1 Switch", "MIC1"},
 684
 685        {"ADC 0 Mux", "Dmic", "DMIC1"},
 686        {"ADC 0 Mux", "RECMIX", "RECMIX"},
 687        {"ADC 0 Mux", "Mic", "MIC1"},
 688        {"ADC 1 Mux", "Dmic", "DMIC2"},
 689        {"ADC 1 Mux", "RECMIX", "RECMIX"},
 690        {"ADC 1 Mux", "Mic", "MIC1"},
 691
 692        {"ADC 0", NULL, "ADC 0 Mux"},
 693        {"ADC 1", NULL, "ADC 1 Mux"},
 694
 695        {"AIF1TX", NULL, "ADC 0"},
 696        {"AIF2TX", NULL, "ADC 1"},
 697
 698        {"DAC 0", NULL, "AIF1RX"},
 699        {"DAC 1", NULL, "AIF2RX"},
 700
 701        {"Front", "DAC Switch", "DAC 0"},
 702        {"Front", "RECMIX Switch", "RECMIX"},
 703
 704        {"Surround", NULL, "DAC 1"},
 705
 706        {"SPK Mux", "Front", "Front"},
 707        {"SPK Mux", "Surround", "Surround"},
 708
 709        {"HPO Mux", "Front", "Front"},
 710        {"HPO Mux", "Surround", "Surround"},
 711
 712        {"SPO", "Switch", "SPK Mux"},
 713        {"HPO L", "Switch", "HPO Mux"},
 714        {"HPO R", "Switch", "HPO Mux"},
 715        {"HPO L", NULL, "HP Power"},
 716        {"HPO R", NULL, "HP Power"},
 717
 718        {"SPOL", NULL, "SPO"},
 719        {"SPOR", NULL, "SPO"},
 720        {"HPO Pin", NULL, "HPO L"},
 721        {"HPO Pin", NULL, "HPO R"},
 722};
 723
 724static int rt298_hw_params(struct snd_pcm_substream *substream,
 725                            struct snd_pcm_hw_params *params,
 726                            struct snd_soc_dai *dai)
 727{
 728        struct snd_soc_codec *codec = dai->codec;
 729        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 730        unsigned int val = 0;
 731        int d_len_code;
 732
 733        switch (params_rate(params)) {
 734        /* bit 14 0:48K 1:44.1K */
 735        case 44100:
 736        case 48000:
 737                break;
 738        default:
 739                dev_err(codec->dev, "Unsupported sample rate %d\n",
 740                                        params_rate(params));
 741                return -EINVAL;
 742        }
 743        switch (rt298->sys_clk) {
 744        case 12288000:
 745        case 24576000:
 746                if (params_rate(params) != 48000) {
 747                        dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
 748                                        params_rate(params), rt298->sys_clk);
 749                        return -EINVAL;
 750                }
 751                break;
 752        case 11289600:
 753        case 22579200:
 754                if (params_rate(params) != 44100) {
 755                        dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
 756                                        params_rate(params), rt298->sys_clk);
 757                        return -EINVAL;
 758                }
 759                break;
 760        }
 761
 762        if (params_channels(params) <= 16) {
 763                /* bit 3:0 Number of Channel */
 764                val |= (params_channels(params) - 1);
 765        } else {
 766                dev_err(codec->dev, "Unsupported channels %d\n",
 767                                        params_channels(params));
 768                return -EINVAL;
 769        }
 770
 771        d_len_code = 0;
 772        switch (params_width(params)) {
 773        /* bit 6:4 Bits per Sample */
 774        case 16:
 775                d_len_code = 0;
 776                val |= (0x1 << 4);
 777                break;
 778        case 32:
 779                d_len_code = 2;
 780                val |= (0x4 << 4);
 781                break;
 782        case 20:
 783                d_len_code = 1;
 784                val |= (0x2 << 4);
 785                break;
 786        case 24:
 787                d_len_code = 2;
 788                val |= (0x3 << 4);
 789                break;
 790        case 8:
 791                d_len_code = 3;
 792                break;
 793        default:
 794                return -EINVAL;
 795        }
 796
 797        snd_soc_update_bits(codec,
 798                RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
 799        dev_dbg(codec->dev, "format val = 0x%x\n", val);
 800
 801        snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x407f, val);
 802        snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x407f, val);
 803
 804        return 0;
 805}
 806
 807static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 808{
 809        struct snd_soc_codec *codec = dai->codec;
 810
 811        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 812        case SND_SOC_DAIFMT_CBM_CFM:
 813                snd_soc_update_bits(codec,
 814                        RT298_I2S_CTRL1, 0x800, 0x800);
 815                break;
 816        case SND_SOC_DAIFMT_CBS_CFS:
 817                snd_soc_update_bits(codec,
 818                        RT298_I2S_CTRL1, 0x800, 0x0);
 819                break;
 820        default:
 821                return -EINVAL;
 822        }
 823
 824        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 825        case SND_SOC_DAIFMT_I2S:
 826                snd_soc_update_bits(codec,
 827                        RT298_I2S_CTRL1, 0x300, 0x0);
 828                break;
 829        case SND_SOC_DAIFMT_LEFT_J:
 830                snd_soc_update_bits(codec,
 831                        RT298_I2S_CTRL1, 0x300, 0x1 << 8);
 832                break;
 833        case SND_SOC_DAIFMT_DSP_A:
 834                snd_soc_update_bits(codec,
 835                        RT298_I2S_CTRL1, 0x300, 0x2 << 8);
 836                break;
 837        case SND_SOC_DAIFMT_DSP_B:
 838                snd_soc_update_bits(codec,
 839                        RT298_I2S_CTRL1, 0x300, 0x3 << 8);
 840                break;
 841        default:
 842                return -EINVAL;
 843        }
 844        /* bit 15 Stream Type 0:PCM 1:Non-PCM */
 845        snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x8000, 0);
 846        snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x8000, 0);
 847
 848        return 0;
 849}
 850
 851static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
 852                                int clk_id, unsigned int freq, int dir)
 853{
 854        struct snd_soc_codec *codec = dai->codec;
 855        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 856
 857        dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
 858
 859        if (RT298_SCLK_S_MCLK == clk_id) {
 860                snd_soc_update_bits(codec,
 861                        RT298_I2S_CTRL2, 0x0100, 0x0);
 862                snd_soc_update_bits(codec,
 863                        RT298_PLL_CTRL1, 0x20, 0x20);
 864        } else {
 865                snd_soc_update_bits(codec,
 866                        RT298_I2S_CTRL2, 0x0100, 0x0100);
 867                snd_soc_update_bits(codec,
 868                        RT298_PLL_CTRL1, 0x20, 0x0);
 869        }
 870
 871        switch (freq) {
 872        case 19200000:
 873                if (RT298_SCLK_S_MCLK == clk_id) {
 874                        dev_err(codec->dev, "Should not use MCLK\n");
 875                        return -EINVAL;
 876                }
 877                snd_soc_update_bits(codec,
 878                        RT298_I2S_CTRL2, 0x40, 0x40);
 879                break;
 880        case 24000000:
 881                if (RT298_SCLK_S_MCLK == clk_id) {
 882                        dev_err(codec->dev, "Should not use MCLK\n");
 883                        return -EINVAL;
 884                }
 885                snd_soc_update_bits(codec,
 886                        RT298_I2S_CTRL2, 0x40, 0x0);
 887                break;
 888        case 12288000:
 889        case 11289600:
 890                snd_soc_update_bits(codec,
 891                        RT298_I2S_CTRL2, 0x8, 0x0);
 892                snd_soc_update_bits(codec,
 893                        RT298_CLK_DIV, 0xfc1e, 0x0004);
 894                break;
 895        case 24576000:
 896        case 22579200:
 897                snd_soc_update_bits(codec,
 898                        RT298_I2S_CTRL2, 0x8, 0x8);
 899                snd_soc_update_bits(codec,
 900                        RT298_CLK_DIV, 0xfc1e, 0x5406);
 901                break;
 902        default:
 903                dev_err(codec->dev, "Unsupported system clock\n");
 904                return -EINVAL;
 905        }
 906
 907        rt298->sys_clk = freq;
 908        rt298->clk_id = clk_id;
 909
 910        return 0;
 911}
 912
 913static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
 914{
 915        struct snd_soc_codec *codec = dai->codec;
 916
 917        dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
 918        if (50 == ratio)
 919                snd_soc_update_bits(codec,
 920                        RT298_I2S_CTRL1, 0x1000, 0x1000);
 921        else
 922                snd_soc_update_bits(codec,
 923                        RT298_I2S_CTRL1, 0x1000, 0x0);
 924
 925
 926        return 0;
 927}
 928
 929static int rt298_set_bias_level(struct snd_soc_codec *codec,
 930                                 enum snd_soc_bias_level level)
 931{
 932        switch (level) {
 933        case SND_SOC_BIAS_PREPARE:
 934                if (SND_SOC_BIAS_STANDBY ==
 935                        snd_soc_codec_get_bias_level(codec)) {
 936                        snd_soc_write(codec,
 937                                RT298_SET_AUDIO_POWER, AC_PWRST_D0);
 938                        snd_soc_update_bits(codec, 0x0d, 0x200, 0x200);
 939                        snd_soc_update_bits(codec, 0x52, 0x80, 0x0);
 940                        mdelay(20);
 941                        snd_soc_update_bits(codec, 0x0d, 0x200, 0x0);
 942                        snd_soc_update_bits(codec, 0x52, 0x80, 0x80);
 943                }
 944                break;
 945
 946        case SND_SOC_BIAS_STANDBY:
 947                snd_soc_write(codec,
 948                        RT298_SET_AUDIO_POWER, AC_PWRST_D3);
 949                break;
 950
 951        default:
 952                break;
 953        }
 954
 955        return 0;
 956}
 957
 958static irqreturn_t rt298_irq(int irq, void *data)
 959{
 960        struct rt298_priv *rt298 = data;
 961        bool hp = false;
 962        bool mic = false;
 963        int ret, status = 0;
 964
 965        ret = rt298_jack_detect(rt298, &hp, &mic);
 966
 967        /* Clear IRQ */
 968        regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
 969
 970        if (ret == 0) {
 971                if (hp == true)
 972                        status |= SND_JACK_HEADPHONE;
 973
 974                if (mic == true)
 975                        status |= SND_JACK_MICROPHONE;
 976
 977                snd_soc_jack_report(rt298->jack, status,
 978                        SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 979
 980                pm_wakeup_event(&rt298->i2c->dev, 300);
 981        }
 982
 983        return IRQ_HANDLED;
 984}
 985
 986static int rt298_probe(struct snd_soc_codec *codec)
 987{
 988        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 989
 990        rt298->codec = codec;
 991
 992        if (rt298->i2c->irq) {
 993                regmap_update_bits(rt298->regmap,
 994                                        RT298_IRQ_CTRL, 0x2, 0x2);
 995
 996                INIT_DELAYED_WORK(&rt298->jack_detect_work,
 997                                        rt298_jack_detect_work);
 998                schedule_delayed_work(&rt298->jack_detect_work,
 999                                        msecs_to_jiffies(1250));
1000        }
1001
1002        return 0;
1003}
1004
1005static int rt298_remove(struct snd_soc_codec *codec)
1006{
1007        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1008
1009        cancel_delayed_work_sync(&rt298->jack_detect_work);
1010
1011        return 0;
1012}
1013
1014#ifdef CONFIG_PM
1015static int rt298_suspend(struct snd_soc_codec *codec)
1016{
1017        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1018
1019        rt298->is_hp_in = -1;
1020        regcache_cache_only(rt298->regmap, true);
1021        regcache_mark_dirty(rt298->regmap);
1022
1023        return 0;
1024}
1025
1026static int rt298_resume(struct snd_soc_codec *codec)
1027{
1028        struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1029
1030        regcache_cache_only(rt298->regmap, false);
1031        rt298_index_sync(codec);
1032        regcache_sync(rt298->regmap);
1033
1034        return 0;
1035}
1036#else
1037#define rt298_suspend NULL
1038#define rt298_resume NULL
1039#endif
1040
1041#define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1042#define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1043                        SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1044
1045static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1046        .hw_params = rt298_hw_params,
1047        .set_fmt = rt298_set_dai_fmt,
1048        .set_sysclk = rt298_set_dai_sysclk,
1049        .set_bclk_ratio = rt298_set_bclk_ratio,
1050};
1051
1052static struct snd_soc_dai_driver rt298_dai[] = {
1053        {
1054                .name = "rt298-aif1",
1055                .id = RT298_AIF1,
1056                .playback = {
1057                        .stream_name = "AIF1 Playback",
1058                        .channels_min = 1,
1059                        .channels_max = 2,
1060                        .rates = RT298_STEREO_RATES,
1061                        .formats = RT298_FORMATS,
1062                },
1063                .capture = {
1064                        .stream_name = "AIF1 Capture",
1065                        .channels_min = 1,
1066                        .channels_max = 2,
1067                        .rates = RT298_STEREO_RATES,
1068                        .formats = RT298_FORMATS,
1069                },
1070                .ops = &rt298_aif_dai_ops,
1071                .symmetric_rates = 1,
1072        },
1073        {
1074                .name = "rt298-aif2",
1075                .id = RT298_AIF2,
1076                .playback = {
1077                        .stream_name = "AIF2 Playback",
1078                        .channels_min = 1,
1079                        .channels_max = 2,
1080                        .rates = RT298_STEREO_RATES,
1081                        .formats = RT298_FORMATS,
1082                },
1083                .capture = {
1084                        .stream_name = "AIF2 Capture",
1085                        .channels_min = 1,
1086                        .channels_max = 2,
1087                        .rates = RT298_STEREO_RATES,
1088                        .formats = RT298_FORMATS,
1089                },
1090                .ops = &rt298_aif_dai_ops,
1091                .symmetric_rates = 1,
1092        },
1093
1094};
1095
1096static struct snd_soc_codec_driver soc_codec_dev_rt298 = {
1097        .probe = rt298_probe,
1098        .remove = rt298_remove,
1099        .suspend = rt298_suspend,
1100        .resume = rt298_resume,
1101        .set_bias_level = rt298_set_bias_level,
1102        .idle_bias_off = true,
1103        .component_driver = {
1104                .controls               = rt298_snd_controls,
1105                .num_controls           = ARRAY_SIZE(rt298_snd_controls),
1106                .dapm_widgets           = rt298_dapm_widgets,
1107                .num_dapm_widgets       = ARRAY_SIZE(rt298_dapm_widgets),
1108                .dapm_routes            = rt298_dapm_routes,
1109                .num_dapm_routes        = ARRAY_SIZE(rt298_dapm_routes),
1110        },
1111};
1112
1113static const struct regmap_config rt298_regmap = {
1114        .reg_bits = 32,
1115        .val_bits = 32,
1116        .max_register = 0x02370100,
1117        .volatile_reg = rt298_volatile_register,
1118        .readable_reg = rt298_readable_register,
1119        .reg_write = rl6347a_hw_write,
1120        .reg_read = rl6347a_hw_read,
1121        .cache_type = REGCACHE_RBTREE,
1122        .reg_defaults = rt298_reg,
1123        .num_reg_defaults = ARRAY_SIZE(rt298_reg),
1124};
1125
1126static const struct i2c_device_id rt298_i2c_id[] = {
1127        {"rt298", 0},
1128        {}
1129};
1130MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1131
1132static const struct acpi_device_id rt298_acpi_match[] = {
1133        { "INT343A", 0 },
1134        {},
1135};
1136MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1137
1138static const struct dmi_system_id force_combo_jack_table[] = {
1139        {
1140                .ident = "Intel Broxton P",
1141                .matches = {
1142                        DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1143                        DMI_MATCH(DMI_PRODUCT_NAME, "Broxton P")
1144                }
1145        },
1146        { }
1147};
1148
1149static int rt298_i2c_probe(struct i2c_client *i2c,
1150                           const struct i2c_device_id *id)
1151{
1152        struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1153        struct rt298_priv *rt298;
1154        struct device *dev = &i2c->dev;
1155        const struct acpi_device_id *acpiid;
1156        int i, ret;
1157
1158        rt298 = devm_kzalloc(&i2c->dev, sizeof(*rt298),
1159                                GFP_KERNEL);
1160        if (NULL == rt298)
1161                return -ENOMEM;
1162
1163        rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1164        if (IS_ERR(rt298->regmap)) {
1165                ret = PTR_ERR(rt298->regmap);
1166                dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1167                        ret);
1168                return ret;
1169        }
1170
1171        regmap_read(rt298->regmap,
1172                RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1173        if (ret != RT298_VENDOR_ID) {
1174                dev_err(&i2c->dev,
1175                        "Device with ID register %#x is not rt298\n", ret);
1176                return -ENODEV;
1177        }
1178
1179        rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1180                                          sizeof(rt298_index_def), GFP_KERNEL);
1181        if (!rt298->index_cache)
1182                return -ENOMEM;
1183
1184        rt298->index_cache_size = INDEX_CACHE_SIZE;
1185        rt298->i2c = i2c;
1186        i2c_set_clientdata(i2c, rt298);
1187
1188        /* restore codec default */
1189        for (i = 0; i < INDEX_CACHE_SIZE; i++)
1190                regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1191                                rt298->index_cache[i].def);
1192        for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1193                regmap_write(rt298->regmap, rt298_reg[i].reg,
1194                                rt298_reg[i].def);
1195
1196        if (pdata)
1197                rt298->pdata = *pdata;
1198
1199        /* enable jack combo mode on supported devices */
1200        acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1201        if (acpiid && acpiid->driver_data) {
1202                rt298->pdata = *(struct rt298_platform_data *)
1203                                acpiid->driver_data;
1204        }
1205
1206        if (dmi_check_system(force_combo_jack_table)) {
1207                rt298->pdata.cbj_en = true;
1208                rt298->pdata.gpio2_en = false;
1209        }
1210
1211        /* VREF Charging */
1212        regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1213        regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1214        /* Vref2 */
1215        regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1216
1217        regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1218
1219        for (i = 0; i < RT298_POWER_REG_LEN; i++)
1220                regmap_write(rt298->regmap,
1221                        RT298_SET_POWER(rt298_support_power_controls[i]),
1222                        AC_PWRST_D1);
1223
1224        if (!rt298->pdata.cbj_en) {
1225                regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1226                regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1227                regmap_update_bits(rt298->regmap,
1228                                        RT298_CBJ_CTRL1, 0xf000, 0xb000);
1229        } else {
1230                regmap_update_bits(rt298->regmap,
1231                                        RT298_CBJ_CTRL1, 0xf000, 0x5000);
1232        }
1233
1234        mdelay(10);
1235
1236        if (!rt298->pdata.gpio2_en)
1237                regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1238        else
1239                regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1240
1241        mdelay(10);
1242
1243        regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1244        regmap_update_bits(rt298->regmap,
1245                                RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1246
1247        regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0x81);
1248        regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0x82);
1249        regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0x84);
1250        regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0x2, 0x2);
1251
1252        rt298->is_hp_in = -1;
1253
1254        if (rt298->i2c->irq) {
1255                ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1256                        IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1257                if (ret != 0) {
1258                        dev_err(&i2c->dev,
1259                                "Failed to reguest IRQ: %d\n", ret);
1260                        return ret;
1261                }
1262        }
1263
1264        ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt298,
1265                                     rt298_dai, ARRAY_SIZE(rt298_dai));
1266
1267        return ret;
1268}
1269
1270static int rt298_i2c_remove(struct i2c_client *i2c)
1271{
1272        struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1273
1274        if (i2c->irq)
1275                free_irq(i2c->irq, rt298);
1276        snd_soc_unregister_codec(&i2c->dev);
1277
1278        return 0;
1279}
1280
1281
1282static struct i2c_driver rt298_i2c_driver = {
1283        .driver = {
1284                   .name = "rt298",
1285                   .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1286                   },
1287        .probe = rt298_i2c_probe,
1288        .remove = rt298_i2c_remove,
1289        .id_table = rt298_i2c_id,
1290};
1291
1292module_i2c_driver(rt298_i2c_driver);
1293
1294MODULE_DESCRIPTION("ASoC RT298 driver");
1295MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1296MODULE_LICENSE("GPL");
1297