linux/sound/soc/codecs/rt298.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * rt298.c  --  RT298 ALSA SoC audio codec driver
   4 *
   5 * Copyright 2015 Realtek Semiconductor Corp.
   6 * Author: Bard Liao <bardliao@realtek.com>
   7 */
   8
   9#include <linux/module.h>
  10#include <linux/moduleparam.h>
  11#include <linux/init.h>
  12#include <linux/delay.h>
  13#include <linux/pm.h>
  14#include <linux/i2c.h>
  15#include <linux/platform_device.h>
  16#include <linux/spi/spi.h>
  17#include <linux/dmi.h>
  18#include <linux/acpi.h>
  19#include <sound/core.h>
  20#include <sound/pcm.h>
  21#include <sound/pcm_params.h>
  22#include <sound/soc.h>
  23#include <sound/soc-dapm.h>
  24#include <sound/initval.h>
  25#include <sound/tlv.h>
  26#include <sound/jack.h>
  27#include <linux/workqueue.h>
  28#include <sound/rt298.h>
  29
  30#include "rl6347a.h"
  31#include "rt298.h"
  32
  33#define RT298_VENDOR_ID 0x10ec0298
  34
  35struct rt298_priv {
  36        struct reg_default *index_cache;
  37        int index_cache_size;
  38        struct regmap *regmap;
  39        struct snd_soc_component *component;
  40        struct rt298_platform_data pdata;
  41        struct i2c_client *i2c;
  42        struct snd_soc_jack *jack;
  43        struct delayed_work jack_detect_work;
  44        int sys_clk;
  45        int clk_id;
  46        int is_hp_in;
  47};
  48
  49static const struct reg_default rt298_index_def[] = {
  50        { 0x01, 0xa5a8 },
  51        { 0x02, 0x8e95 },
  52        { 0x03, 0x0002 },
  53        { 0x04, 0xaf67 },
  54        { 0x08, 0x200f },
  55        { 0x09, 0xd010 },
  56        { 0x0a, 0x0100 },
  57        { 0x0b, 0x0000 },
  58        { 0x0d, 0x2800 },
  59        { 0x0f, 0x0022 },
  60        { 0x19, 0x0217 },
  61        { 0x20, 0x0020 },
  62        { 0x33, 0x0208 },
  63        { 0x46, 0x0300 },
  64        { 0x49, 0x4004 },
  65        { 0x4f, 0x50c9 },
  66        { 0x50, 0x3000 },
  67        { 0x63, 0x1b02 },
  68        { 0x67, 0x1111 },
  69        { 0x68, 0x1016 },
  70        { 0x69, 0x273f },
  71};
  72#define INDEX_CACHE_SIZE ARRAY_SIZE(rt298_index_def)
  73
  74static const struct reg_default rt298_reg[] = {
  75        { 0x00170500, 0x00000400 },
  76        { 0x00220000, 0x00000031 },
  77        { 0x00239000, 0x0000007f },
  78        { 0x0023a000, 0x0000007f },
  79        { 0x00270500, 0x00000400 },
  80        { 0x00370500, 0x00000400 },
  81        { 0x00870500, 0x00000400 },
  82        { 0x00920000, 0x00000031 },
  83        { 0x00935000, 0x000000c3 },
  84        { 0x00936000, 0x000000c3 },
  85        { 0x00970500, 0x00000400 },
  86        { 0x00b37000, 0x00000097 },
  87        { 0x00b37200, 0x00000097 },
  88        { 0x00b37300, 0x00000097 },
  89        { 0x00c37000, 0x00000000 },
  90        { 0x00c37100, 0x00000080 },
  91        { 0x01270500, 0x00000400 },
  92        { 0x01370500, 0x00000400 },
  93        { 0x01371f00, 0x411111f0 },
  94        { 0x01439000, 0x00000080 },
  95        { 0x0143a000, 0x00000080 },
  96        { 0x01470700, 0x00000000 },
  97        { 0x01470500, 0x00000400 },
  98        { 0x01470c00, 0x00000000 },
  99        { 0x01470100, 0x00000000 },
 100        { 0x01837000, 0x00000000 },
 101        { 0x01870500, 0x00000400 },
 102        { 0x02050000, 0x00000000 },
 103        { 0x02139000, 0x00000080 },
 104        { 0x0213a000, 0x00000080 },
 105        { 0x02170100, 0x00000000 },
 106        { 0x02170500, 0x00000400 },
 107        { 0x02170700, 0x00000000 },
 108        { 0x02270100, 0x00000000 },
 109        { 0x02370100, 0x00000000 },
 110        { 0x01870700, 0x00000020 },
 111        { 0x00830000, 0x000000c3 },
 112        { 0x00930000, 0x000000c3 },
 113        { 0x01270700, 0x00000000 },
 114};
 115
 116static bool rt298_volatile_register(struct device *dev, unsigned int reg)
 117{
 118        switch (reg) {
 119        case 0 ... 0xff:
 120        case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
 121        case RT298_GET_HP_SENSE:
 122        case RT298_GET_MIC1_SENSE:
 123        case RT298_PROC_COEF:
 124        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
 125        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
 126        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
 127                return true;
 128        default:
 129                return false;
 130        }
 131
 132
 133}
 134
 135static bool rt298_readable_register(struct device *dev, unsigned int reg)
 136{
 137        switch (reg) {
 138        case 0 ... 0xff:
 139        case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
 140        case RT298_GET_HP_SENSE:
 141        case RT298_GET_MIC1_SENSE:
 142        case RT298_SET_AUDIO_POWER:
 143        case RT298_SET_HPO_POWER:
 144        case RT298_SET_SPK_POWER:
 145        case RT298_SET_DMIC1_POWER:
 146        case RT298_SPK_MUX:
 147        case RT298_HPO_MUX:
 148        case RT298_ADC0_MUX:
 149        case RT298_ADC1_MUX:
 150        case RT298_SET_MIC1:
 151        case RT298_SET_PIN_HPO:
 152        case RT298_SET_PIN_SPK:
 153        case RT298_SET_PIN_DMIC1:
 154        case RT298_SPK_EAPD:
 155        case RT298_SET_AMP_GAIN_HPO:
 156        case RT298_SET_DMIC2_DEFAULT:
 157        case RT298_DACL_GAIN:
 158        case RT298_DACR_GAIN:
 159        case RT298_ADCL_GAIN:
 160        case RT298_ADCR_GAIN:
 161        case RT298_MIC_GAIN:
 162        case RT298_SPOL_GAIN:
 163        case RT298_SPOR_GAIN:
 164        case RT298_HPOL_GAIN:
 165        case RT298_HPOR_GAIN:
 166        case RT298_F_DAC_SWITCH:
 167        case RT298_F_RECMIX_SWITCH:
 168        case RT298_REC_MIC_SWITCH:
 169        case RT298_REC_I2S_SWITCH:
 170        case RT298_REC_LINE_SWITCH:
 171        case RT298_REC_BEEP_SWITCH:
 172        case RT298_DAC_FORMAT:
 173        case RT298_ADC_FORMAT:
 174        case RT298_COEF_INDEX:
 175        case RT298_PROC_COEF:
 176        case RT298_SET_AMP_GAIN_ADC_IN1:
 177        case RT298_SET_AMP_GAIN_ADC_IN2:
 178        case RT298_SET_POWER(RT298_DAC_OUT1):
 179        case RT298_SET_POWER(RT298_DAC_OUT2):
 180        case RT298_SET_POWER(RT298_ADC_IN1):
 181        case RT298_SET_POWER(RT298_ADC_IN2):
 182        case RT298_SET_POWER(RT298_DMIC2):
 183        case RT298_SET_POWER(RT298_MIC1):
 184        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
 185        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
 186        case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
 187                return true;
 188        default:
 189                return false;
 190        }
 191}
 192
 193#ifdef CONFIG_PM
 194static void rt298_index_sync(struct snd_soc_component *component)
 195{
 196        struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
 197        int i;
 198
 199        for (i = 0; i < INDEX_CACHE_SIZE; i++) {
 200                snd_soc_component_write(component, rt298->index_cache[i].reg,
 201                                  rt298->index_cache[i].def);
 202        }
 203}
 204#endif
 205
 206static int rt298_support_power_controls[] = {
 207        RT298_DAC_OUT1,
 208        RT298_DAC_OUT2,
 209        RT298_ADC_IN1,
 210        RT298_ADC_IN2,
 211        RT298_MIC1,
 212        RT298_DMIC1,
 213        RT298_DMIC2,
 214        RT298_SPK_OUT,
 215        RT298_HP_OUT,
 216};
 217#define RT298_POWER_REG_LEN ARRAY_SIZE(rt298_support_power_controls)
 218
 219static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic)
 220{
 221        struct snd_soc_dapm_context *dapm;
 222        unsigned int val, buf;
 223
 224        *hp = false;
 225        *mic = false;
 226
 227        if (!rt298->component)
 228                return -EINVAL;
 229
 230        dapm = snd_soc_component_get_dapm(rt298->component);
 231
 232        if (rt298->pdata.cbj_en) {
 233                regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
 234                *hp = buf & 0x80000000;
 235                if (*hp == rt298->is_hp_in)
 236                        return -1;
 237                rt298->is_hp_in = *hp;
 238                if (*hp) {
 239                        /* power on HV,VERF */
 240                        regmap_update_bits(rt298->regmap,
 241                                RT298_DC_GAIN, 0x200, 0x200);
 242
 243                        snd_soc_dapm_force_enable_pin(dapm, "HV");
 244                        snd_soc_dapm_force_enable_pin(dapm, "VREF");
 245                        /* power LDO1 */
 246                        snd_soc_dapm_force_enable_pin(dapm, "LDO1");
 247                        snd_soc_dapm_sync(dapm);
 248
 249                        regmap_update_bits(rt298->regmap,
 250                                RT298_POWER_CTRL1, 0x1001, 0);
 251                        regmap_update_bits(rt298->regmap,
 252                                RT298_POWER_CTRL2, 0x4, 0x4);
 253
 254                        regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24);
 255                        msleep(50);
 256
 257                        regmap_update_bits(rt298->regmap,
 258                                RT298_CBJ_CTRL1, 0xfcc0, 0xd400);
 259                        msleep(300);
 260                        regmap_read(rt298->regmap, RT298_CBJ_CTRL2, &val);
 261
 262                        if (0x0070 == (val & 0x0070)) {
 263                                *mic = true;
 264                        } else {
 265                                regmap_update_bits(rt298->regmap,
 266                                        RT298_CBJ_CTRL1, 0xfcc0, 0xe400);
 267                                msleep(300);
 268                                regmap_read(rt298->regmap,
 269                                        RT298_CBJ_CTRL2, &val);
 270                                if (0x0070 == (val & 0x0070))
 271                                        *mic = true;
 272                                else
 273                                        *mic = false;
 274                        }
 275                        regmap_update_bits(rt298->regmap,
 276                                RT298_DC_GAIN, 0x200, 0x0);
 277
 278                } else {
 279                        *mic = false;
 280                        regmap_write(rt298->regmap, RT298_SET_MIC1, 0x20);
 281                        regmap_update_bits(rt298->regmap,
 282                                RT298_CBJ_CTRL1, 0x0400, 0x0000);
 283                }
 284        } else {
 285                regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
 286                *hp = buf & 0x80000000;
 287                regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);
 288                *mic = buf & 0x80000000;
 289        }
 290        if (!*mic) {
 291                snd_soc_dapm_disable_pin(dapm, "HV");
 292                snd_soc_dapm_disable_pin(dapm, "VREF");
 293        }
 294        if (!*hp)
 295                snd_soc_dapm_disable_pin(dapm, "LDO1");
 296        snd_soc_dapm_sync(dapm);
 297
 298        pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
 299
 300        return 0;
 301}
 302
 303static void rt298_jack_detect_work(struct work_struct *work)
 304{
 305        struct rt298_priv *rt298 =
 306                container_of(work, struct rt298_priv, jack_detect_work.work);
 307        int status = 0;
 308        bool hp = false;
 309        bool mic = false;
 310
 311        if (rt298_jack_detect(rt298, &hp, &mic) < 0)
 312                return;
 313
 314        if (hp)
 315                status |= SND_JACK_HEADPHONE;
 316
 317        if (mic)
 318                status |= SND_JACK_MICROPHONE;
 319
 320        snd_soc_jack_report(rt298->jack, status,
 321                SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 322}
 323
 324int rt298_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack)
 325{
 326        struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
 327        struct snd_soc_dapm_context *dapm;
 328        bool hp = false;
 329        bool mic = false;
 330        int status = 0;
 331
 332        /* If jack in NULL, disable HS jack */
 333        if (!jack) {
 334                regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x0);
 335                dapm = snd_soc_component_get_dapm(component);
 336                snd_soc_dapm_disable_pin(dapm, "LDO1");
 337                snd_soc_dapm_sync(dapm);
 338                return 0;
 339        }
 340
 341        rt298->jack = jack;
 342        regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
 343
 344        rt298_jack_detect(rt298, &hp, &mic);
 345        if (hp)
 346                status |= SND_JACK_HEADPHONE;
 347
 348        if (mic)
 349                status |= SND_JACK_MICROPHONE;
 350
 351        snd_soc_jack_report(rt298->jack, status,
 352                SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 353
 354        return 0;
 355}
 356EXPORT_SYMBOL_GPL(rt298_mic_detect);
 357
 358static int is_mclk_mode(struct snd_soc_dapm_widget *source,
 359                         struct snd_soc_dapm_widget *sink)
 360{
 361        struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
 362        struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
 363
 364        if (rt298->clk_id == RT298_SCLK_S_MCLK)
 365                return 1;
 366        else
 367                return 0;
 368}
 369
 370static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
 371static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
 372
 373static const struct snd_kcontrol_new rt298_snd_controls[] = {
 374        SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
 375                            RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
 376        SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
 377                            RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
 378        SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
 379                            0, 0x3, 0, mic_vol_tlv),
 380        SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
 381                            RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
 382};
 383
 384/* Digital Mixer */
 385static const struct snd_kcontrol_new rt298_front_mix[] = {
 386        SOC_DAPM_SINGLE("DAC Switch",  RT298_F_DAC_SWITCH,
 387                        RT298_MUTE_SFT, 1, 1),
 388        SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
 389                        RT298_MUTE_SFT, 1, 1),
 390};
 391
 392/* Analog Input Mixer */
 393static const struct snd_kcontrol_new rt298_rec_mix[] = {
 394        SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
 395                        RT298_MUTE_SFT, 1, 1),
 396        SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
 397                        RT298_MUTE_SFT, 1, 1),
 398        SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
 399                        RT298_MUTE_SFT, 1, 1),
 400        SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
 401                        RT298_MUTE_SFT, 1, 1),
 402};
 403
 404static const struct snd_kcontrol_new spo_enable_control =
 405        SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
 406                        RT298_SET_PIN_SFT, 1, 0);
 407
 408static const struct snd_kcontrol_new hpol_enable_control =
 409        SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
 410                        RT298_MUTE_SFT, 1, 1);
 411
 412static const struct snd_kcontrol_new hpor_enable_control =
 413        SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
 414                        RT298_MUTE_SFT, 1, 1);
 415
 416/* ADC0 source */
 417static const char * const rt298_adc_src[] = {
 418        "Mic", "RECMIX", "Dmic"
 419};
 420
 421static const int rt298_adc_values[] = {
 422        0, 4, 5,
 423};
 424
 425static SOC_VALUE_ENUM_SINGLE_DECL(
 426        rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
 427        RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
 428
 429static const struct snd_kcontrol_new rt298_adc0_mux =
 430        SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
 431
 432static SOC_VALUE_ENUM_SINGLE_DECL(
 433        rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
 434        RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
 435
 436static const struct snd_kcontrol_new rt298_adc1_mux =
 437        SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
 438
 439static const char * const rt298_dac_src[] = {
 440        "Front", "Surround"
 441};
 442/* HP-OUT source */
 443static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
 444                                0, rt298_dac_src);
 445
 446static const struct snd_kcontrol_new rt298_hpo_mux =
 447SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
 448
 449/* SPK-OUT source */
 450static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
 451                                0, rt298_dac_src);
 452
 453static const struct snd_kcontrol_new rt298_spo_mux =
 454SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
 455
 456static int rt298_spk_event(struct snd_soc_dapm_widget *w,
 457                            struct snd_kcontrol *kcontrol, int event)
 458{
 459        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 460
 461        switch (event) {
 462        case SND_SOC_DAPM_POST_PMU:
 463                snd_soc_component_write(component,
 464                        RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
 465                break;
 466        case SND_SOC_DAPM_PRE_PMD:
 467                snd_soc_component_write(component,
 468                        RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
 469                break;
 470
 471        default:
 472                return 0;
 473        }
 474
 475        return 0;
 476}
 477
 478static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
 479                                  struct snd_kcontrol *kcontrol, int event)
 480{
 481        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 482
 483        switch (event) {
 484        case SND_SOC_DAPM_POST_PMU:
 485                snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0x20);
 486                break;
 487        case SND_SOC_DAPM_PRE_PMD:
 488                snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0);
 489                break;
 490        default:
 491                return 0;
 492        }
 493
 494        return 0;
 495}
 496
 497static int rt298_adc_event(struct snd_soc_dapm_widget *w,
 498                             struct snd_kcontrol *kcontrol, int event)
 499{
 500        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 501        unsigned int nid;
 502
 503        nid = (w->reg >> 20) & 0xff;
 504
 505        switch (event) {
 506        case SND_SOC_DAPM_POST_PMU:
 507                snd_soc_component_update_bits(component,
 508                        VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
 509                        0x7080, 0x7000);
 510                 /* If MCLK doesn't exist, reset AD filter */
 511                if (!(snd_soc_component_read32(component, RT298_VAD_CTRL) & 0x200)) {
 512                        pr_info("NO MCLK\n");
 513                        switch (nid) {
 514                        case RT298_ADC_IN1:
 515                                snd_soc_component_update_bits(component,
 516                                        RT298_D_FILTER_CTRL, 0x2, 0x2);
 517                                mdelay(10);
 518                                snd_soc_component_update_bits(component,
 519                                        RT298_D_FILTER_CTRL, 0x2, 0x0);
 520                                break;
 521                        case RT298_ADC_IN2:
 522                                snd_soc_component_update_bits(component,
 523                                        RT298_D_FILTER_CTRL, 0x4, 0x4);
 524                                mdelay(10);
 525                                snd_soc_component_update_bits(component,
 526                                        RT298_D_FILTER_CTRL, 0x4, 0x0);
 527                                break;
 528                        }
 529                }
 530                break;
 531        case SND_SOC_DAPM_PRE_PMD:
 532                snd_soc_component_update_bits(component,
 533                        VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
 534                        0x7080, 0x7080);
 535                break;
 536        default:
 537                return 0;
 538        }
 539
 540        return 0;
 541}
 542
 543static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
 544                             struct snd_kcontrol *kcontrol, int event)
 545{
 546        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 547
 548        switch (event) {
 549        case SND_SOC_DAPM_PRE_PMU:
 550                snd_soc_component_update_bits(component,
 551                        RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
 552                snd_soc_component_update_bits(component,
 553                        RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
 554                break;
 555        case SND_SOC_DAPM_POST_PMD:
 556                snd_soc_component_update_bits(component,
 557                        RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
 558                snd_soc_component_update_bits(component,
 559                        RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
 560                break;
 561        default:
 562                return 0;
 563        }
 564
 565        return 0;
 566}
 567
 568static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
 569
 570        SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
 571                12, 1, NULL, 0),
 572        SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
 573                0, 1, NULL, 0),
 574        SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
 575                1, 0, NULL, 0),
 576        SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
 577                2, 0, NULL, 0),
 578        SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
 579                3, 0, NULL, 0),
 580        SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
 581                4, 1, NULL, 0),
 582        SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
 583                13, 1, NULL, 0),
 584
 585
 586        SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
 587                5, 0, NULL, 0),
 588        SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
 589                0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
 590                SND_SOC_DAPM_POST_PMD),
 591
 592        /* Input Lines */
 593        SND_SOC_DAPM_INPUT("DMIC1 Pin"),
 594        SND_SOC_DAPM_INPUT("DMIC2 Pin"),
 595        SND_SOC_DAPM_INPUT("MIC1"),
 596        SND_SOC_DAPM_INPUT("LINE1"),
 597        SND_SOC_DAPM_INPUT("Beep"),
 598
 599        /* DMIC */
 600        SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
 601                NULL, 0, rt298_set_dmic1_event,
 602                SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 603        SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
 604                NULL, 0),
 605        SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
 606                0, 0, NULL, 0),
 607
 608        /* REC Mixer */
 609        SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
 610                rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
 611
 612        /* ADCs */
 613        SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
 614        SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
 615
 616        /* ADC Mux */
 617        SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
 618                &rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
 619                SND_SOC_DAPM_POST_PMU),
 620        SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
 621                &rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
 622                SND_SOC_DAPM_POST_PMU),
 623
 624        /* Audio Interface */
 625        SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
 626        SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
 627        SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
 628        SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
 629
 630        /* Output Side */
 631        /* DACs */
 632        SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
 633        SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
 634
 635        /* Output Mux */
 636        SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
 637        SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
 638
 639        SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
 640                RT298_SET_PIN_SFT, 0, NULL, 0),
 641
 642        /* Output Mixer */
 643        SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
 644                        rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
 645        SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
 646                        NULL, 0),
 647
 648        /* Output Pga */
 649        SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
 650                &spo_enable_control, rt298_spk_event,
 651                SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 652        SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
 653                &hpol_enable_control),
 654        SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
 655                &hpor_enable_control),
 656
 657        /* Output Lines */
 658        SND_SOC_DAPM_OUTPUT("SPOL"),
 659        SND_SOC_DAPM_OUTPUT("SPOR"),
 660        SND_SOC_DAPM_OUTPUT("HPO Pin"),
 661        SND_SOC_DAPM_OUTPUT("SPDIF"),
 662};
 663
 664static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
 665
 666        {"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
 667        {"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
 668        {"Front", NULL, "MCLK MODE", is_mclk_mode},
 669        {"Surround", NULL, "MCLK MODE", is_mclk_mode},
 670
 671        {"HP Power", NULL, "LDO1"},
 672        {"HP Power", NULL, "LDO2"},
 673        {"HP Power", NULL, "LV"},
 674        {"HP Power", NULL, "VREF1"},
 675        {"HP Power", NULL, "BG_MBIAS"},
 676
 677        {"MIC1", NULL, "LDO1"},
 678        {"MIC1", NULL, "LDO2"},
 679        {"MIC1", NULL, "HV"},
 680        {"MIC1", NULL, "LV"},
 681        {"MIC1", NULL, "VREF"},
 682        {"MIC1", NULL, "VREF1"},
 683        {"MIC1", NULL, "BG_MBIAS"},
 684        {"MIC1", NULL, "MIC1 Input Buffer"},
 685
 686        {"SPO", NULL, "LDO1"},
 687        {"SPO", NULL, "LDO2"},
 688        {"SPO", NULL, "HV"},
 689        {"SPO", NULL, "LV"},
 690        {"SPO", NULL, "VREF"},
 691        {"SPO", NULL, "VREF1"},
 692        {"SPO", NULL, "BG_MBIAS"},
 693
 694        {"DMIC1", NULL, "DMIC1 Pin"},
 695        {"DMIC2", NULL, "DMIC2 Pin"},
 696        {"DMIC1", NULL, "DMIC Receiver"},
 697        {"DMIC2", NULL, "DMIC Receiver"},
 698
 699        {"RECMIX", "Beep Switch", "Beep"},
 700        {"RECMIX", "Line1 Switch", "LINE1"},
 701        {"RECMIX", "Mic1 Switch", "MIC1"},
 702
 703        {"ADC 0 Mux", "Dmic", "DMIC1"},
 704        {"ADC 0 Mux", "RECMIX", "RECMIX"},
 705        {"ADC 0 Mux", "Mic", "MIC1"},
 706        {"ADC 1 Mux", "Dmic", "DMIC2"},
 707        {"ADC 1 Mux", "RECMIX", "RECMIX"},
 708        {"ADC 1 Mux", "Mic", "MIC1"},
 709
 710        {"ADC 0", NULL, "ADC 0 Mux"},
 711        {"ADC 1", NULL, "ADC 1 Mux"},
 712
 713        {"AIF1TX", NULL, "ADC 0"},
 714        {"AIF2TX", NULL, "ADC 1"},
 715
 716        {"DAC 0", NULL, "AIF1RX"},
 717        {"DAC 1", NULL, "AIF2RX"},
 718
 719        {"Front", "DAC Switch", "DAC 0"},
 720        {"Front", "RECMIX Switch", "RECMIX"},
 721
 722        {"Surround", NULL, "DAC 1"},
 723
 724        {"SPK Mux", "Front", "Front"},
 725        {"SPK Mux", "Surround", "Surround"},
 726
 727        {"HPO Mux", "Front", "Front"},
 728        {"HPO Mux", "Surround", "Surround"},
 729
 730        {"SPO", "Switch", "SPK Mux"},
 731        {"HPO L", "Switch", "HPO Mux"},
 732        {"HPO R", "Switch", "HPO Mux"},
 733        {"HPO L", NULL, "HP Power"},
 734        {"HPO R", NULL, "HP Power"},
 735
 736        {"SPOL", NULL, "SPO"},
 737        {"SPOR", NULL, "SPO"},
 738        {"HPO Pin", NULL, "HPO L"},
 739        {"HPO Pin", NULL, "HPO R"},
 740};
 741
 742static int rt298_hw_params(struct snd_pcm_substream *substream,
 743                            struct snd_pcm_hw_params *params,
 744                            struct snd_soc_dai *dai)
 745{
 746        struct snd_soc_component *component = dai->component;
 747        struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
 748        unsigned int val = 0;
 749        int d_len_code;
 750
 751        switch (params_rate(params)) {
 752        /* bit 14 0:48K 1:44.1K */
 753        case 44100:
 754        case 48000:
 755                break;
 756        default:
 757                dev_err(component->dev, "Unsupported sample rate %d\n",
 758                                        params_rate(params));
 759                return -EINVAL;
 760        }
 761        switch (rt298->sys_clk) {
 762        case 12288000:
 763        case 24576000:
 764                if (params_rate(params) != 48000) {
 765                        dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
 766                                        params_rate(params), rt298->sys_clk);
 767                        return -EINVAL;
 768                }
 769                break;
 770        case 11289600:
 771        case 22579200:
 772                if (params_rate(params) != 44100) {
 773                        dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
 774                                        params_rate(params), rt298->sys_clk);
 775                        return -EINVAL;
 776                }
 777                break;
 778        }
 779
 780        if (params_channels(params) <= 16) {
 781                /* bit 3:0 Number of Channel */
 782                val |= (params_channels(params) - 1);
 783        } else {
 784                dev_err(component->dev, "Unsupported channels %d\n",
 785                                        params_channels(params));
 786                return -EINVAL;
 787        }
 788
 789        d_len_code = 0;
 790        switch (params_width(params)) {
 791        /* bit 6:4 Bits per Sample */
 792        case 16:
 793                d_len_code = 0;
 794                val |= (0x1 << 4);
 795                break;
 796        case 32:
 797                d_len_code = 2;
 798                val |= (0x4 << 4);
 799                break;
 800        case 20:
 801                d_len_code = 1;
 802                val |= (0x2 << 4);
 803                break;
 804        case 24:
 805                d_len_code = 2;
 806                val |= (0x3 << 4);
 807                break;
 808        case 8:
 809                d_len_code = 3;
 810                break;
 811        default:
 812                return -EINVAL;
 813        }
 814
 815        snd_soc_component_update_bits(component,
 816                RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
 817        dev_dbg(component->dev, "format val = 0x%x\n", val);
 818
 819        snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x407f, val);
 820        snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x407f, val);
 821
 822        return 0;
 823}
 824
 825static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 826{
 827        struct snd_soc_component *component = dai->component;
 828
 829        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 830        case SND_SOC_DAIFMT_CBM_CFM:
 831                snd_soc_component_update_bits(component,
 832                        RT298_I2S_CTRL1, 0x800, 0x800);
 833                break;
 834        case SND_SOC_DAIFMT_CBS_CFS:
 835                snd_soc_component_update_bits(component,
 836                        RT298_I2S_CTRL1, 0x800, 0x0);
 837                break;
 838        default:
 839                return -EINVAL;
 840        }
 841
 842        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 843        case SND_SOC_DAIFMT_I2S:
 844                snd_soc_component_update_bits(component,
 845                        RT298_I2S_CTRL1, 0x300, 0x0);
 846                break;
 847        case SND_SOC_DAIFMT_LEFT_J:
 848                snd_soc_component_update_bits(component,
 849                        RT298_I2S_CTRL1, 0x300, 0x1 << 8);
 850                break;
 851        case SND_SOC_DAIFMT_DSP_A:
 852                snd_soc_component_update_bits(component,
 853                        RT298_I2S_CTRL1, 0x300, 0x2 << 8);
 854                break;
 855        case SND_SOC_DAIFMT_DSP_B:
 856                snd_soc_component_update_bits(component,
 857                        RT298_I2S_CTRL1, 0x300, 0x3 << 8);
 858                break;
 859        default:
 860                return -EINVAL;
 861        }
 862        /* bit 15 Stream Type 0:PCM 1:Non-PCM */
 863        snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x8000, 0);
 864        snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x8000, 0);
 865
 866        return 0;
 867}
 868
 869static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
 870                                int clk_id, unsigned int freq, int dir)
 871{
 872        struct snd_soc_component *component = dai->component;
 873        struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
 874
 875        dev_dbg(component->dev, "%s freq=%d\n", __func__, freq);
 876
 877        if (RT298_SCLK_S_MCLK == clk_id) {
 878                snd_soc_component_update_bits(component,
 879                        RT298_I2S_CTRL2, 0x0100, 0x0);
 880                snd_soc_component_update_bits(component,
 881                        RT298_PLL_CTRL1, 0x20, 0x20);
 882        } else {
 883                snd_soc_component_update_bits(component,
 884                        RT298_I2S_CTRL2, 0x0100, 0x0100);
 885                snd_soc_component_update_bits(component,
 886                        RT298_PLL_CTRL1, 0x20, 0x0);
 887        }
 888
 889        switch (freq) {
 890        case 19200000:
 891                if (RT298_SCLK_S_MCLK == clk_id) {
 892                        dev_err(component->dev, "Should not use MCLK\n");
 893                        return -EINVAL;
 894                }
 895                snd_soc_component_update_bits(component,
 896                        RT298_I2S_CTRL2, 0x40, 0x40);
 897                break;
 898        case 24000000:
 899                if (RT298_SCLK_S_MCLK == clk_id) {
 900                        dev_err(component->dev, "Should not use MCLK\n");
 901                        return -EINVAL;
 902                }
 903                snd_soc_component_update_bits(component,
 904                        RT298_I2S_CTRL2, 0x40, 0x0);
 905                break;
 906        case 12288000:
 907        case 11289600:
 908                snd_soc_component_update_bits(component,
 909                        RT298_I2S_CTRL2, 0x8, 0x0);
 910                snd_soc_component_update_bits(component,
 911                        RT298_CLK_DIV, 0xfc1e, 0x0004);
 912                break;
 913        case 24576000:
 914        case 22579200:
 915                snd_soc_component_update_bits(component,
 916                        RT298_I2S_CTRL2, 0x8, 0x8);
 917                snd_soc_component_update_bits(component,
 918                        RT298_CLK_DIV, 0xfc1e, 0x5406);
 919                break;
 920        default:
 921                dev_err(component->dev, "Unsupported system clock\n");
 922                return -EINVAL;
 923        }
 924
 925        rt298->sys_clk = freq;
 926        rt298->clk_id = clk_id;
 927
 928        return 0;
 929}
 930
 931static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
 932{
 933        struct snd_soc_component *component = dai->component;
 934
 935        dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);
 936        if (50 == ratio)
 937                snd_soc_component_update_bits(component,
 938                        RT298_I2S_CTRL1, 0x1000, 0x1000);
 939        else
 940                snd_soc_component_update_bits(component,
 941                        RT298_I2S_CTRL1, 0x1000, 0x0);
 942
 943
 944        return 0;
 945}
 946
 947static int rt298_set_bias_level(struct snd_soc_component *component,
 948                                 enum snd_soc_bias_level level)
 949{
 950        switch (level) {
 951        case SND_SOC_BIAS_PREPARE:
 952                if (SND_SOC_BIAS_STANDBY ==
 953                        snd_soc_component_get_bias_level(component)) {
 954                        snd_soc_component_write(component,
 955                                RT298_SET_AUDIO_POWER, AC_PWRST_D0);
 956                        snd_soc_component_update_bits(component, 0x0d, 0x200, 0x200);
 957                        snd_soc_component_update_bits(component, 0x52, 0x80, 0x0);
 958                        mdelay(20);
 959                        snd_soc_component_update_bits(component, 0x0d, 0x200, 0x0);
 960                        snd_soc_component_update_bits(component, 0x52, 0x80, 0x80);
 961                }
 962                break;
 963
 964        case SND_SOC_BIAS_STANDBY:
 965                snd_soc_component_write(component,
 966                        RT298_SET_AUDIO_POWER, AC_PWRST_D3);
 967                break;
 968
 969        default:
 970                break;
 971        }
 972
 973        return 0;
 974}
 975
 976static irqreturn_t rt298_irq(int irq, void *data)
 977{
 978        struct rt298_priv *rt298 = data;
 979        bool hp = false;
 980        bool mic = false;
 981        int ret, status = 0;
 982
 983        ret = rt298_jack_detect(rt298, &hp, &mic);
 984
 985        /* Clear IRQ */
 986        regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
 987
 988        if (ret == 0) {
 989                if (hp)
 990                        status |= SND_JACK_HEADPHONE;
 991
 992                if (mic)
 993                        status |= SND_JACK_MICROPHONE;
 994
 995                snd_soc_jack_report(rt298->jack, status,
 996                        SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 997
 998                pm_wakeup_event(&rt298->i2c->dev, 300);
 999        }
1000
1001        return IRQ_HANDLED;
1002}
1003
1004static int rt298_probe(struct snd_soc_component *component)
1005{
1006        struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1007
1008        rt298->component = component;
1009
1010        if (rt298->i2c->irq) {
1011                regmap_update_bits(rt298->regmap,
1012                                        RT298_IRQ_CTRL, 0x2, 0x2);
1013
1014                INIT_DELAYED_WORK(&rt298->jack_detect_work,
1015                                        rt298_jack_detect_work);
1016                schedule_delayed_work(&rt298->jack_detect_work,
1017                                        msecs_to_jiffies(1250));
1018        }
1019
1020        return 0;
1021}
1022
1023static void rt298_remove(struct snd_soc_component *component)
1024{
1025        struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1026
1027        cancel_delayed_work_sync(&rt298->jack_detect_work);
1028}
1029
1030#ifdef CONFIG_PM
1031static int rt298_suspend(struct snd_soc_component *component)
1032{
1033        struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1034
1035        rt298->is_hp_in = -1;
1036        regcache_cache_only(rt298->regmap, true);
1037        regcache_mark_dirty(rt298->regmap);
1038
1039        return 0;
1040}
1041
1042static int rt298_resume(struct snd_soc_component *component)
1043{
1044        struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1045
1046        regcache_cache_only(rt298->regmap, false);
1047        rt298_index_sync(component);
1048        regcache_sync(rt298->regmap);
1049
1050        return 0;
1051}
1052#else
1053#define rt298_suspend NULL
1054#define rt298_resume NULL
1055#endif
1056
1057#define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1058#define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1059                        SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1060
1061static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1062        .hw_params = rt298_hw_params,
1063        .set_fmt = rt298_set_dai_fmt,
1064        .set_sysclk = rt298_set_dai_sysclk,
1065        .set_bclk_ratio = rt298_set_bclk_ratio,
1066};
1067
1068static struct snd_soc_dai_driver rt298_dai[] = {
1069        {
1070                .name = "rt298-aif1",
1071                .id = RT298_AIF1,
1072                .playback = {
1073                        .stream_name = "AIF1 Playback",
1074                        .channels_min = 1,
1075                        .channels_max = 2,
1076                        .rates = RT298_STEREO_RATES,
1077                        .formats = RT298_FORMATS,
1078                },
1079                .capture = {
1080                        .stream_name = "AIF1 Capture",
1081                        .channels_min = 1,
1082                        .channels_max = 2,
1083                        .rates = RT298_STEREO_RATES,
1084                        .formats = RT298_FORMATS,
1085                },
1086                .ops = &rt298_aif_dai_ops,
1087                .symmetric_rates = 1,
1088        },
1089        {
1090                .name = "rt298-aif2",
1091                .id = RT298_AIF2,
1092                .playback = {
1093                        .stream_name = "AIF2 Playback",
1094                        .channels_min = 1,
1095                        .channels_max = 2,
1096                        .rates = RT298_STEREO_RATES,
1097                        .formats = RT298_FORMATS,
1098                },
1099                .capture = {
1100                        .stream_name = "AIF2 Capture",
1101                        .channels_min = 1,
1102                        .channels_max = 2,
1103                        .rates = RT298_STEREO_RATES,
1104                        .formats = RT298_FORMATS,
1105                },
1106                .ops = &rt298_aif_dai_ops,
1107                .symmetric_rates = 1,
1108        },
1109
1110};
1111
1112static const struct snd_soc_component_driver soc_component_dev_rt298 = {
1113        .probe                  = rt298_probe,
1114        .remove                 = rt298_remove,
1115        .suspend                = rt298_suspend,
1116        .resume                 = rt298_resume,
1117        .set_bias_level         = rt298_set_bias_level,
1118        .controls               = rt298_snd_controls,
1119        .num_controls           = ARRAY_SIZE(rt298_snd_controls),
1120        .dapm_widgets           = rt298_dapm_widgets,
1121        .num_dapm_widgets       = ARRAY_SIZE(rt298_dapm_widgets),
1122        .dapm_routes            = rt298_dapm_routes,
1123        .num_dapm_routes        = ARRAY_SIZE(rt298_dapm_routes),
1124        .use_pmdown_time        = 1,
1125        .endianness             = 1,
1126        .non_legacy_dai_naming  = 1,
1127};
1128
1129static const struct regmap_config rt298_regmap = {
1130        .reg_bits = 32,
1131        .val_bits = 32,
1132        .max_register = 0x02370100,
1133        .volatile_reg = rt298_volatile_register,
1134        .readable_reg = rt298_readable_register,
1135        .reg_write = rl6347a_hw_write,
1136        .reg_read = rl6347a_hw_read,
1137        .cache_type = REGCACHE_RBTREE,
1138        .reg_defaults = rt298_reg,
1139        .num_reg_defaults = ARRAY_SIZE(rt298_reg),
1140};
1141
1142static const struct i2c_device_id rt298_i2c_id[] = {
1143        {"rt298", 0},
1144        {}
1145};
1146MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1147
1148static const struct acpi_device_id rt298_acpi_match[] = {
1149        { "INT343A", 0 },
1150        {},
1151};
1152MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1153
1154static const struct dmi_system_id force_combo_jack_table[] = {
1155        {
1156                .ident = "Intel Broxton P",
1157                .matches = {
1158                        DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1159                        DMI_MATCH(DMI_PRODUCT_NAME, "Broxton P")
1160                }
1161        },
1162        {
1163                .ident = "Intel Gemini Lake",
1164                .matches = {
1165                        DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1166                        DMI_MATCH(DMI_PRODUCT_NAME, "Geminilake")
1167                }
1168        },
1169        { }
1170};
1171
1172static int rt298_i2c_probe(struct i2c_client *i2c,
1173                           const struct i2c_device_id *id)
1174{
1175        struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1176        struct rt298_priv *rt298;
1177        struct device *dev = &i2c->dev;
1178        const struct acpi_device_id *acpiid;
1179        int i, ret;
1180
1181        rt298 = devm_kzalloc(&i2c->dev, sizeof(*rt298),
1182                                GFP_KERNEL);
1183        if (NULL == rt298)
1184                return -ENOMEM;
1185
1186        rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1187        if (IS_ERR(rt298->regmap)) {
1188                ret = PTR_ERR(rt298->regmap);
1189                dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1190                        ret);
1191                return ret;
1192        }
1193
1194        regmap_read(rt298->regmap,
1195                RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1196        if (ret != RT298_VENDOR_ID) {
1197                dev_err(&i2c->dev,
1198                        "Device with ID register %#x is not rt298\n", ret);
1199                return -ENODEV;
1200        }
1201
1202        rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1203                                          sizeof(rt298_index_def), GFP_KERNEL);
1204        if (!rt298->index_cache)
1205                return -ENOMEM;
1206
1207        rt298->index_cache_size = INDEX_CACHE_SIZE;
1208        rt298->i2c = i2c;
1209        i2c_set_clientdata(i2c, rt298);
1210
1211        /* restore codec default */
1212        for (i = 0; i < INDEX_CACHE_SIZE; i++)
1213                regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1214                                rt298->index_cache[i].def);
1215        for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1216                regmap_write(rt298->regmap, rt298_reg[i].reg,
1217                                rt298_reg[i].def);
1218
1219        if (pdata)
1220                rt298->pdata = *pdata;
1221
1222        /* enable jack combo mode on supported devices */
1223        acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1224        if (acpiid && acpiid->driver_data) {
1225                rt298->pdata = *(struct rt298_platform_data *)
1226                                acpiid->driver_data;
1227        }
1228
1229        if (dmi_check_system(force_combo_jack_table)) {
1230                rt298->pdata.cbj_en = true;
1231                rt298->pdata.gpio2_en = false;
1232        }
1233
1234        /* VREF Charging */
1235        regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1236        regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1237        /* Vref2 */
1238        regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1239
1240        regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1241
1242        for (i = 0; i < RT298_POWER_REG_LEN; i++)
1243                regmap_write(rt298->regmap,
1244                        RT298_SET_POWER(rt298_support_power_controls[i]),
1245                        AC_PWRST_D1);
1246
1247        if (!rt298->pdata.cbj_en) {
1248                regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1249                regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1250                regmap_update_bits(rt298->regmap,
1251                                        RT298_CBJ_CTRL1, 0xf000, 0xb000);
1252        } else {
1253                regmap_update_bits(rt298->regmap,
1254                                        RT298_CBJ_CTRL1, 0xf000, 0x5000);
1255        }
1256
1257        mdelay(10);
1258
1259        if (!rt298->pdata.gpio2_en)
1260                regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1261        else
1262                regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1263
1264        mdelay(10);
1265
1266        regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1267        regmap_update_bits(rt298->regmap,
1268                                RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1269
1270        regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0x81);
1271        regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0x82);
1272        regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0x84);
1273        regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0x2, 0x2);
1274
1275        rt298->is_hp_in = -1;
1276
1277        if (rt298->i2c->irq) {
1278                ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1279                        IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1280                if (ret != 0) {
1281                        dev_err(&i2c->dev,
1282                                "Failed to reguest IRQ: %d\n", ret);
1283                        return ret;
1284                }
1285        }
1286
1287        ret = devm_snd_soc_register_component(&i2c->dev,
1288                                     &soc_component_dev_rt298,
1289                                     rt298_dai, ARRAY_SIZE(rt298_dai));
1290
1291        return ret;
1292}
1293
1294static int rt298_i2c_remove(struct i2c_client *i2c)
1295{
1296        struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1297
1298        if (i2c->irq)
1299                free_irq(i2c->irq, rt298);
1300
1301        return 0;
1302}
1303
1304
1305static struct i2c_driver rt298_i2c_driver = {
1306        .driver = {
1307                   .name = "rt298",
1308                   .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1309                   },
1310        .probe = rt298_i2c_probe,
1311        .remove = rt298_i2c_remove,
1312        .id_table = rt298_i2c_id,
1313};
1314
1315module_i2c_driver(rt298_i2c_driver);
1316
1317MODULE_DESCRIPTION("ASoC RT298 driver");
1318MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1319MODULE_LICENSE("GPL");
1320