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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					regmap_update_bits(rt298->regmap,
 275						RT298_CBJ_CTRL1,
 276						0xfcc0, 0xc400);
 277				}
 278			}
 279
 280			regmap_update_bits(rt298->regmap,
 281				RT298_DC_GAIN, 0x200, 0x0);
 282
 283		} else {
 284			*mic = false;
 285			regmap_write(rt298->regmap, RT298_SET_MIC1, 0x20);
 286			regmap_update_bits(rt298->regmap,
 287				RT298_CBJ_CTRL1, 0x0400, 0x0000);
 288		}
 289	} else {
 290		regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
 291		*hp = buf & 0x80000000;
 292		regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);
 293		*mic = buf & 0x80000000;
 294	}
 295	if (!*mic) {
 296		snd_soc_dapm_disable_pin(dapm, "HV");
 297		snd_soc_dapm_disable_pin(dapm, "VREF");
 298	}
 299	if (!*hp)
 300		snd_soc_dapm_disable_pin(dapm, "LDO1");
 301	snd_soc_dapm_sync(dapm);
 302
 303	pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
 304
 305	return 0;
 306}
 307
 308static void rt298_jack_detect_work(struct work_struct *work)
 309{
 310	struct rt298_priv *rt298 =
 311		container_of(work, struct rt298_priv, jack_detect_work.work);
 312	int status = 0;
 313	bool hp = false;
 314	bool mic = false;
 315
 316	if (rt298_jack_detect(rt298, &hp, &mic) < 0)
 317		return;
 318
 319	if (hp)
 320		status |= SND_JACK_HEADPHONE;
 321
 322	if (mic)
 323		status |= SND_JACK_MICROPHONE;
 324
 325	snd_soc_jack_report(rt298->jack, status,
 326		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 327}
 328
 329static int rt298_mic_detect(struct snd_soc_component *component,
 330			    struct snd_soc_jack *jack, void *data)
 331{
 332	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
 333	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
 334
 335	rt298->jack = jack;
 336
 337	if (jack) {
 338		/* Enable IRQ */
 339		if (rt298->jack->status & SND_JACK_HEADPHONE)
 340			snd_soc_dapm_force_enable_pin(dapm, "LDO1");
 341		if (rt298->jack->status & SND_JACK_MICROPHONE) {
 342			snd_soc_dapm_force_enable_pin(dapm, "HV");
 343			snd_soc_dapm_force_enable_pin(dapm, "VREF");
 344		}
 345		regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
 346		/* Send an initial empty report */
 347		snd_soc_jack_report(rt298->jack, rt298->jack->status,
 348				    SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 349	} else {
 350		/* Disable IRQ */
 351		regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x0);
 352		snd_soc_dapm_disable_pin(dapm, "HV");
 353		snd_soc_dapm_disable_pin(dapm, "VREF");
 354		snd_soc_dapm_disable_pin(dapm, "LDO1");
 355	}
 356	snd_soc_dapm_sync(dapm);
 357
 358	return 0;
 359}
 360
 361static int is_mclk_mode(struct snd_soc_dapm_widget *source,
 362			 struct snd_soc_dapm_widget *sink)
 363{
 364	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
 365	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
 366
 367	if (rt298->clk_id == RT298_SCLK_S_MCLK)
 368		return 1;
 369	else
 370		return 0;
 371}
 372
 373static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
 374static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
 375
 376static const struct snd_kcontrol_new rt298_snd_controls[] = {
 377	SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
 378			    RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
 379	SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
 380			    RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
 381	SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
 382			    0, 0x3, 0, mic_vol_tlv),
 383	SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
 384			    RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
 385};
 386
 387/* Digital Mixer */
 388static const struct snd_kcontrol_new rt298_front_mix[] = {
 389	SOC_DAPM_SINGLE("DAC Switch",  RT298_F_DAC_SWITCH,
 390			RT298_MUTE_SFT, 1, 1),
 391	SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
 392			RT298_MUTE_SFT, 1, 1),
 393};
 394
 395/* Analog Input Mixer */
 396static const struct snd_kcontrol_new rt298_rec_mix[] = {
 397	SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
 398			RT298_MUTE_SFT, 1, 1),
 399	SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
 400			RT298_MUTE_SFT, 1, 1),
 401	SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
 402			RT298_MUTE_SFT, 1, 1),
 403	SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
 404			RT298_MUTE_SFT, 1, 1),
 405};
 406
 407static const struct snd_kcontrol_new spo_enable_control =
 408	SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
 409			RT298_SET_PIN_SFT, 1, 0);
 410
 411static const struct snd_kcontrol_new hpol_enable_control =
 412	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
 413			RT298_MUTE_SFT, 1, 1);
 414
 415static const struct snd_kcontrol_new hpor_enable_control =
 416	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
 417			RT298_MUTE_SFT, 1, 1);
 418
 419/* ADC0 source */
 420static const char * const rt298_adc_src[] = {
 421	"Mic", "RECMIX", "Dmic"
 422};
 423
 424static const int rt298_adc_values[] = {
 425	0, 4, 5,
 426};
 427
 428static SOC_VALUE_ENUM_SINGLE_DECL(
 429	rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
 430	RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
 431
 432static const struct snd_kcontrol_new rt298_adc0_mux =
 433	SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
 434
 435static SOC_VALUE_ENUM_SINGLE_DECL(
 436	rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
 437	RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
 438
 439static const struct snd_kcontrol_new rt298_adc1_mux =
 440	SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
 441
 442static const char * const rt298_dac_src[] = {
 443	"Front", "Surround"
 444};
 445/* HP-OUT source */
 446static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
 447				0, rt298_dac_src);
 448
 449static const struct snd_kcontrol_new rt298_hpo_mux =
 450SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
 451
 452/* SPK-OUT source */
 453static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
 454				0, rt298_dac_src);
 455
 456static const struct snd_kcontrol_new rt298_spo_mux =
 457SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
 458
 459static int rt298_spk_event(struct snd_soc_dapm_widget *w,
 460			    struct snd_kcontrol *kcontrol, int event)
 461{
 462	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 463
 464	switch (event) {
 465	case SND_SOC_DAPM_POST_PMU:
 466		snd_soc_component_write(component,
 467			RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
 468		break;
 469	case SND_SOC_DAPM_PRE_PMD:
 470		snd_soc_component_write(component,
 471			RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
 472		break;
 473
 474	default:
 475		return 0;
 476	}
 477
 478	return 0;
 479}
 480
 481static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
 482				  struct snd_kcontrol *kcontrol, int event)
 483{
 484	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 485
 486	switch (event) {
 487	case SND_SOC_DAPM_POST_PMU:
 488		snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0x20);
 489		break;
 490	case SND_SOC_DAPM_PRE_PMD:
 491		snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0);
 492		break;
 493	default:
 494		return 0;
 495	}
 496
 497	return 0;
 498}
 499
 500static int rt298_adc_event(struct snd_soc_dapm_widget *w,
 501			     struct snd_kcontrol *kcontrol, int event)
 502{
 503	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 504	unsigned int nid;
 505
 506	nid = (w->reg >> 20) & 0xff;
 507
 508	switch (event) {
 509	case SND_SOC_DAPM_POST_PMU:
 510		snd_soc_component_update_bits(component,
 511			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
 512			0x7080, 0x7000);
 513		 /* If MCLK doesn't exist, reset AD filter */
 514		if (!(snd_soc_component_read(component, RT298_VAD_CTRL) & 0x200)) {
 515			pr_info("NO MCLK\n");
 516			switch (nid) {
 517			case RT298_ADC_IN1:
 518				snd_soc_component_update_bits(component,
 519					RT298_D_FILTER_CTRL, 0x2, 0x2);
 520				mdelay(10);
 521				snd_soc_component_update_bits(component,
 522					RT298_D_FILTER_CTRL, 0x2, 0x0);
 523				break;
 524			case RT298_ADC_IN2:
 525				snd_soc_component_update_bits(component,
 526					RT298_D_FILTER_CTRL, 0x4, 0x4);
 527				mdelay(10);
 528				snd_soc_component_update_bits(component,
 529					RT298_D_FILTER_CTRL, 0x4, 0x0);
 530				break;
 531			}
 532		}
 533		break;
 534	case SND_SOC_DAPM_PRE_PMD:
 535		snd_soc_component_update_bits(component,
 536			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
 537			0x7080, 0x7080);
 538		break;
 539	default:
 540		return 0;
 541	}
 542
 543	return 0;
 544}
 545
 546static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
 547			     struct snd_kcontrol *kcontrol, int event)
 548{
 549	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 550
 551	switch (event) {
 552	case SND_SOC_DAPM_PRE_PMU:
 553		snd_soc_component_update_bits(component,
 554			RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
 555		snd_soc_component_update_bits(component,
 556			RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
 557		break;
 558	case SND_SOC_DAPM_POST_PMD:
 559		snd_soc_component_update_bits(component,
 560			RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
 561		snd_soc_component_update_bits(component,
 562			RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
 563		break;
 564	default:
 565		return 0;
 566	}
 567
 568	return 0;
 569}
 570
 571static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
 572
 573	SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
 574		12, 1, NULL, 0),
 575	SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
 576		0, 1, NULL, 0),
 577	SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
 578		1, 0, NULL, 0),
 579	SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
 580		2, 0, NULL, 0),
 581	SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
 582		3, 0, NULL, 0),
 583	SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
 584		4, 1, NULL, 0),
 585	SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
 586		13, 1, NULL, 0),
 587
 588
 589	SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
 590		5, 0, NULL, 0),
 591	SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
 592		0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
 593		SND_SOC_DAPM_POST_PMD),
 594
 595	/* Input Lines */
 596	SND_SOC_DAPM_INPUT("DMIC1 Pin"),
 597	SND_SOC_DAPM_INPUT("DMIC2 Pin"),
 598	SND_SOC_DAPM_INPUT("MIC1"),
 599	SND_SOC_DAPM_INPUT("LINE1"),
 600	SND_SOC_DAPM_INPUT("Beep"),
 601
 602	/* DMIC */
 603	SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
 604		NULL, 0, rt298_set_dmic1_event,
 605		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 606	SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
 607		NULL, 0),
 608	SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
 609		0, 0, NULL, 0),
 610
 611	/* REC Mixer */
 612	SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
 613		rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
 614
 615	/* ADCs */
 616	SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
 617	SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
 618
 619	/* ADC Mux */
 620	SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
 621		&rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
 622		SND_SOC_DAPM_POST_PMU),
 623	SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
 624		&rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
 625		SND_SOC_DAPM_POST_PMU),
 626
 627	/* Audio Interface */
 628	SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
 629	SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
 630	SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
 631	SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
 632
 633	/* Output Side */
 634	/* DACs */
 635	SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
 636	SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
 637
 638	/* Output Mux */
 639	SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
 640	SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
 641
 642	SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
 643		RT298_SET_PIN_SFT, 0, NULL, 0),
 644
 645	/* Output Mixer */
 646	SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
 647			rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
 648	SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
 649			NULL, 0),
 650
 651	/* Output Pga */
 652	SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
 653		&spo_enable_control, rt298_spk_event,
 654		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 655	SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
 656		&hpol_enable_control),
 657	SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
 658		&hpor_enable_control),
 659
 660	/* Output Lines */
 661	SND_SOC_DAPM_OUTPUT("SPOL"),
 662	SND_SOC_DAPM_OUTPUT("SPOR"),
 663	SND_SOC_DAPM_OUTPUT("HPO Pin"),
 664	SND_SOC_DAPM_OUTPUT("SPDIF"),
 665};
 666
 667static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
 668
 669	{"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
 670	{"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
 671	{"Front", NULL, "MCLK MODE", is_mclk_mode},
 672	{"Surround", NULL, "MCLK MODE", is_mclk_mode},
 673
 674	{"HP Power", NULL, "LDO1"},
 675	{"HP Power", NULL, "LDO2"},
 676	{"HP Power", NULL, "LV"},
 677	{"HP Power", NULL, "VREF1"},
 678	{"HP Power", NULL, "BG_MBIAS"},
 679
 680	{"MIC1", NULL, "LDO1"},
 681	{"MIC1", NULL, "LDO2"},
 682	{"MIC1", NULL, "HV"},
 683	{"MIC1", NULL, "LV"},
 684	{"MIC1", NULL, "VREF"},
 685	{"MIC1", NULL, "VREF1"},
 686	{"MIC1", NULL, "BG_MBIAS"},
 687	{"MIC1", NULL, "MIC1 Input Buffer"},
 688
 689	{"SPO", NULL, "LDO1"},
 690	{"SPO", NULL, "LDO2"},
 691	{"SPO", NULL, "HV"},
 692	{"SPO", NULL, "LV"},
 693	{"SPO", NULL, "VREF"},
 694	{"SPO", NULL, "VREF1"},
 695	{"SPO", NULL, "BG_MBIAS"},
 696
 697	{"DMIC1", NULL, "DMIC1 Pin"},
 698	{"DMIC2", NULL, "DMIC2 Pin"},
 699	{"DMIC1", NULL, "DMIC Receiver"},
 700	{"DMIC2", NULL, "DMIC Receiver"},
 701
 702	{"RECMIX", "Beep Switch", "Beep"},
 703	{"RECMIX", "Line1 Switch", "LINE1"},
 704	{"RECMIX", "Mic1 Switch", "MIC1"},
 705
 706	{"ADC 0 Mux", "Dmic", "DMIC1"},
 707	{"ADC 0 Mux", "RECMIX", "RECMIX"},
 708	{"ADC 0 Mux", "Mic", "MIC1"},
 709	{"ADC 1 Mux", "Dmic", "DMIC2"},
 710	{"ADC 1 Mux", "RECMIX", "RECMIX"},
 711	{"ADC 1 Mux", "Mic", "MIC1"},
 712
 713	{"ADC 0", NULL, "ADC 0 Mux"},
 714	{"ADC 1", NULL, "ADC 1 Mux"},
 715
 716	{"AIF1TX", NULL, "ADC 0"},
 717	{"AIF2TX", NULL, "ADC 1"},
 718
 719	{"DAC 0", NULL, "AIF1RX"},
 720	{"DAC 1", NULL, "AIF2RX"},
 721
 722	{"Front", "DAC Switch", "DAC 0"},
 723	{"Front", "RECMIX Switch", "RECMIX"},
 724
 725	{"Surround", NULL, "DAC 1"},
 726
 727	{"SPK Mux", "Front", "Front"},
 728	{"SPK Mux", "Surround", "Surround"},
 729
 730	{"HPO Mux", "Front", "Front"},
 731	{"HPO Mux", "Surround", "Surround"},
 732
 733	{"SPO", "Switch", "SPK Mux"},
 734	{"HPO L", "Switch", "HPO Mux"},
 735	{"HPO R", "Switch", "HPO Mux"},
 736	{"HPO L", NULL, "HP Power"},
 737	{"HPO R", NULL, "HP Power"},
 738
 739	{"SPOL", NULL, "SPO"},
 740	{"SPOR", NULL, "SPO"},
 741	{"HPO Pin", NULL, "HPO L"},
 742	{"HPO Pin", NULL, "HPO R"},
 743};
 744
 745static int rt298_hw_params(struct snd_pcm_substream *substream,
 746			    struct snd_pcm_hw_params *params,
 747			    struct snd_soc_dai *dai)
 748{
 749	struct snd_soc_component *component = dai->component;
 750	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
 751	unsigned int val = 0;
 752	int d_len_code;
 753
 754	switch (params_rate(params)) {
 755	/* bit 14 0:48K 1:44.1K */
 756	case 44100:
 757	case 48000:
 758		break;
 759	default:
 760		dev_err(component->dev, "Unsupported sample rate %d\n",
 761					params_rate(params));
 762		return -EINVAL;
 763	}
 764	switch (rt298->sys_clk) {
 765	case 12288000:
 766	case 24576000:
 767		if (params_rate(params) != 48000) {
 768			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
 769					params_rate(params), rt298->sys_clk);
 770			return -EINVAL;
 771		}
 772		break;
 773	case 11289600:
 774	case 22579200:
 775		if (params_rate(params) != 44100) {
 776			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
 777					params_rate(params), rt298->sys_clk);
 778			return -EINVAL;
 779		}
 780		break;
 781	}
 782
 783	if (params_channels(params) <= 16) {
 784		/* bit 3:0 Number of Channel */
 785		val |= (params_channels(params) - 1);
 786	} else {
 787		dev_err(component->dev, "Unsupported channels %d\n",
 788					params_channels(params));
 789		return -EINVAL;
 790	}
 791
 792	switch (params_width(params)) {
 793	/* bit 6:4 Bits per Sample */
 794	case 16:
 795		d_len_code = 0;
 796		val |= (0x1 << 4);
 797		break;
 798	case 32:
 799		d_len_code = 2;
 800		val |= (0x4 << 4);
 801		break;
 802	case 20:
 803		d_len_code = 1;
 804		val |= (0x2 << 4);
 805		break;
 806	case 24:
 807		d_len_code = 2;
 808		val |= (0x3 << 4);
 809		break;
 810	case 8:
 811		d_len_code = 3;
 812		break;
 813	default:
 814		return -EINVAL;
 815	}
 816
 817	snd_soc_component_update_bits(component,
 818		RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
 819	dev_dbg(component->dev, "format val = 0x%x\n", val);
 820
 821	snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x407f, val);
 822	snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x407f, val);
 823
 824	return 0;
 825}
 826
 827static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 828{
 829	struct snd_soc_component *component = dai->component;
 830
 831	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 832	case SND_SOC_DAIFMT_CBM_CFM:
 833		snd_soc_component_update_bits(component,
 834			RT298_I2S_CTRL1, 0x800, 0x800);
 835		break;
 836	case SND_SOC_DAIFMT_CBS_CFS:
 837		snd_soc_component_update_bits(component,
 838			RT298_I2S_CTRL1, 0x800, 0x0);
 839		break;
 840	default:
 841		return -EINVAL;
 842	}
 843
 844	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 845	case SND_SOC_DAIFMT_I2S:
 846		snd_soc_component_update_bits(component,
 847			RT298_I2S_CTRL1, 0x300, 0x0);
 848		break;
 849	case SND_SOC_DAIFMT_LEFT_J:
 850		snd_soc_component_update_bits(component,
 851			RT298_I2S_CTRL1, 0x300, 0x1 << 8);
 852		break;
 853	case SND_SOC_DAIFMT_DSP_A:
 854		snd_soc_component_update_bits(component,
 855			RT298_I2S_CTRL1, 0x300, 0x2 << 8);
 856		break;
 857	case SND_SOC_DAIFMT_DSP_B:
 858		snd_soc_component_update_bits(component,
 859			RT298_I2S_CTRL1, 0x300, 0x3 << 8);
 860		break;
 861	default:
 862		return -EINVAL;
 863	}
 864	/* bit 15 Stream Type 0:PCM 1:Non-PCM */
 865	snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x8000, 0);
 866	snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x8000, 0);
 867
 868	return 0;
 869}
 870
 871static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
 872				int clk_id, unsigned int freq, int dir)
 873{
 874	struct snd_soc_component *component = dai->component;
 875	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
 876
 877	dev_dbg(component->dev, "%s freq=%d\n", __func__, freq);
 878
 879	if (RT298_SCLK_S_MCLK == clk_id) {
 880		snd_soc_component_update_bits(component,
 881			RT298_I2S_CTRL2, 0x0100, 0x0);
 882		snd_soc_component_update_bits(component,
 883			RT298_PLL_CTRL1, 0x20, 0x20);
 884	} else {
 885		snd_soc_component_update_bits(component,
 886			RT298_I2S_CTRL2, 0x0100, 0x0100);
 887		snd_soc_component_update_bits(component,
 888			RT298_PLL_CTRL1, 0x20, 0x0);
 889	}
 890
 891	switch (freq) {
 892	case 19200000:
 893		if (RT298_SCLK_S_MCLK == clk_id) {
 894			dev_err(component->dev, "Should not use MCLK\n");
 895			return -EINVAL;
 896		}
 897		snd_soc_component_update_bits(component,
 898			RT298_I2S_CTRL2, 0x40, 0x40);
 899		break;
 900	case 24000000:
 901		if (RT298_SCLK_S_MCLK == clk_id) {
 902			dev_err(component->dev, "Should not use MCLK\n");
 903			return -EINVAL;
 904		}
 905		snd_soc_component_update_bits(component,
 906			RT298_I2S_CTRL2, 0x40, 0x0);
 907		break;
 908	case 12288000:
 909	case 11289600:
 910		snd_soc_component_update_bits(component,
 911			RT298_I2S_CTRL2, 0x8, 0x0);
 912		snd_soc_component_update_bits(component,
 913			RT298_CLK_DIV, 0xfc1e, 0x0004);
 914		break;
 915	case 24576000:
 916	case 22579200:
 917		snd_soc_component_update_bits(component,
 918			RT298_I2S_CTRL2, 0x8, 0x8);
 919		snd_soc_component_update_bits(component,
 920			RT298_CLK_DIV, 0xfc1e, 0x5406);
 921		break;
 922	default:
 923		dev_err(component->dev, "Unsupported system clock\n");
 924		return -EINVAL;
 925	}
 926
 927	rt298->sys_clk = freq;
 928	rt298->clk_id = clk_id;
 929
 930	return 0;
 931}
 932
 933static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
 934{
 935	struct snd_soc_component *component = dai->component;
 936
 937	dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);
 938	if (50 == ratio)
 939		snd_soc_component_update_bits(component,
 940			RT298_I2S_CTRL1, 0x1000, 0x1000);
 941	else
 942		snd_soc_component_update_bits(component,
 943			RT298_I2S_CTRL1, 0x1000, 0x0);
 944
 945
 946	return 0;
 947}
 948
 949static int rt298_set_bias_level(struct snd_soc_component *component,
 950				 enum snd_soc_bias_level level)
 951{
 952	switch (level) {
 953	case SND_SOC_BIAS_PREPARE:
 954		if (SND_SOC_BIAS_STANDBY ==
 955			snd_soc_component_get_bias_level(component)) {
 956			snd_soc_component_write(component,
 957				RT298_SET_AUDIO_POWER, AC_PWRST_D0);
 958			snd_soc_component_update_bits(component, 0x0d, 0x200, 0x200);
 959			snd_soc_component_update_bits(component, 0x52, 0x80, 0x0);
 960			mdelay(20);
 961			snd_soc_component_update_bits(component, 0x0d, 0x200, 0x0);
 962			snd_soc_component_update_bits(component, 0x52, 0x80, 0x80);
 963		}
 964		break;
 965
 966	case SND_SOC_BIAS_STANDBY:
 967		snd_soc_component_write(component,
 968			RT298_SET_AUDIO_POWER, AC_PWRST_D3);
 969		break;
 970
 971	default:
 972		break;
 973	}
 974
 975	return 0;
 976}
 977
 978static irqreturn_t rt298_irq(int irq, void *data)
 979{
 980	struct rt298_priv *rt298 = data;
 981	bool hp = false;
 982	bool mic = false;
 983	int ret, status = 0;
 984
 985	ret = rt298_jack_detect(rt298, &hp, &mic);
 986
 987	/* Clear IRQ */
 988	regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
 989
 990	if (ret == 0) {
 991		if (hp)
 992			status |= SND_JACK_HEADPHONE;
 993
 994		if (mic)
 995			status |= SND_JACK_MICROPHONE;
 996
 997		snd_soc_jack_report(rt298->jack, status,
 998			SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 999
1000		pm_wakeup_event(&rt298->i2c->dev, 300);
1001	}
1002
1003	return IRQ_HANDLED;
1004}
1005
1006static int rt298_probe(struct snd_soc_component *component)
1007{
1008	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1009
1010	rt298->component = component;
1011	INIT_DELAYED_WORK(&rt298->jack_detect_work, rt298_jack_detect_work);
1012
1013	if (rt298->i2c->irq)
1014		schedule_delayed_work(&rt298->jack_detect_work,
1015				      msecs_to_jiffies(1250));
1016	return 0;
1017}
1018
1019static void rt298_remove(struct snd_soc_component *component)
1020{
1021	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1022
1023	cancel_delayed_work_sync(&rt298->jack_detect_work);
1024	rt298->component = NULL;
1025}
1026
1027#ifdef CONFIG_PM
1028static int rt298_suspend(struct snd_soc_component *component)
1029{
1030	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1031
1032	rt298->is_hp_in = -1;
1033	regcache_cache_only(rt298->regmap, true);
1034	regcache_mark_dirty(rt298->regmap);
1035
1036	return 0;
1037}
1038
1039static int rt298_resume(struct snd_soc_component *component)
1040{
1041	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1042
1043	regcache_cache_only(rt298->regmap, false);
1044	rt298_index_sync(component);
1045	regcache_sync(rt298->regmap);
1046
1047	return 0;
1048}
1049#else
1050#define rt298_suspend NULL
1051#define rt298_resume NULL
1052#endif
1053
1054#define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1055#define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1056			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1057
1058static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1059	.hw_params = rt298_hw_params,
1060	.set_fmt = rt298_set_dai_fmt,
1061	.set_sysclk = rt298_set_dai_sysclk,
1062	.set_bclk_ratio = rt298_set_bclk_ratio,
1063};
1064
1065static struct snd_soc_dai_driver rt298_dai[] = {
1066	{
1067		.name = "rt298-aif1",
1068		.id = RT298_AIF1,
1069		.playback = {
1070			.stream_name = "AIF1 Playback",
1071			.channels_min = 1,
1072			.channels_max = 2,
1073			.rates = RT298_STEREO_RATES,
1074			.formats = RT298_FORMATS,
1075		},
1076		.capture = {
1077			.stream_name = "AIF1 Capture",
1078			.channels_min = 1,
1079			.channels_max = 2,
1080			.rates = RT298_STEREO_RATES,
1081			.formats = RT298_FORMATS,
1082		},
1083		.ops = &rt298_aif_dai_ops,
1084		.symmetric_rate = 1,
1085	},
1086	{
1087		.name = "rt298-aif2",
1088		.id = RT298_AIF2,
1089		.playback = {
1090			.stream_name = "AIF2 Playback",
1091			.channels_min = 1,
1092			.channels_max = 2,
1093			.rates = RT298_STEREO_RATES,
1094			.formats = RT298_FORMATS,
1095		},
1096		.capture = {
1097			.stream_name = "AIF2 Capture",
1098			.channels_min = 1,
1099			.channels_max = 2,
1100			.rates = RT298_STEREO_RATES,
1101			.formats = RT298_FORMATS,
1102		},
1103		.ops = &rt298_aif_dai_ops,
1104		.symmetric_rate = 1,
1105	},
1106
1107};
1108
1109static const struct snd_soc_component_driver soc_component_dev_rt298 = {
1110	.probe			= rt298_probe,
1111	.remove			= rt298_remove,
1112	.suspend		= rt298_suspend,
1113	.resume			= rt298_resume,
1114	.set_bias_level		= rt298_set_bias_level,
1115	.set_jack		= rt298_mic_detect,
1116	.controls		= rt298_snd_controls,
1117	.num_controls		= ARRAY_SIZE(rt298_snd_controls),
1118	.dapm_widgets		= rt298_dapm_widgets,
1119	.num_dapm_widgets	= ARRAY_SIZE(rt298_dapm_widgets),
1120	.dapm_routes		= rt298_dapm_routes,
1121	.num_dapm_routes	= ARRAY_SIZE(rt298_dapm_routes),
1122	.use_pmdown_time	= 1,
1123	.endianness		= 1,
1124};
1125
1126static const struct regmap_config rt298_regmap = {
1127	.reg_bits = 32,
1128	.val_bits = 32,
1129	.max_register = 0x02370100,
1130	.volatile_reg = rt298_volatile_register,
1131	.readable_reg = rt298_readable_register,
1132	.reg_write = rl6347a_hw_write,
1133	.reg_read = rl6347a_hw_read,
1134	.cache_type = REGCACHE_RBTREE,
1135	.reg_defaults = rt298_reg,
1136	.num_reg_defaults = ARRAY_SIZE(rt298_reg),
1137};
1138
1139static const struct i2c_device_id rt298_i2c_id[] = {
1140	{"rt298"},
1141	{}
1142};
1143MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1144
1145#ifdef CONFIG_ACPI
1146static const struct acpi_device_id rt298_acpi_match[] = {
1147	{ "INT343A", 0 },
1148	{},
1149};
1150MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1151#endif
1152
1153static const struct dmi_system_id force_combo_jack_table[] = {
1154	{
1155		.ident = "Intel Broxton P",
1156		.matches = {
1157			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1158			DMI_MATCH(DMI_PRODUCT_NAME, "Broxton P")
1159		}
1160	},
1161	{
1162		.ident = "Intel Gemini Lake",
1163		.matches = {
1164			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1165			DMI_MATCH(DMI_PRODUCT_NAME, "Geminilake")
1166		}
1167	},
1168	{
1169		.ident = "Intel Kabylake R RVP",
1170		.matches = {
1171			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
1172			DMI_MATCH(DMI_PRODUCT_NAME, "Kabylake Client platform")
1173		}
1174	},
1175	{ }
1176};
1177
1178static int rt298_i2c_probe(struct i2c_client *i2c)
1179{
1180	struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1181	struct rt298_priv *rt298;
1182	struct device *dev = &i2c->dev;
1183	const struct acpi_device_id *acpiid;
1184	int i, ret;
1185
1186	rt298 = devm_kzalloc(&i2c->dev,	sizeof(*rt298),
1187				GFP_KERNEL);
1188	if (NULL == rt298)
1189		return -ENOMEM;
1190
1191	rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1192	if (IS_ERR(rt298->regmap)) {
1193		ret = PTR_ERR(rt298->regmap);
1194		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1195			ret);
1196		return ret;
1197	}
1198
1199	regmap_read(rt298->regmap,
1200		RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1201	if (ret != RT298_VENDOR_ID) {
1202		dev_err(&i2c->dev,
1203			"Device with ID register %#x is not rt298\n", ret);
1204		return -ENODEV;
1205	}
1206
1207	rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1208					  sizeof(rt298_index_def), GFP_KERNEL);
1209	if (!rt298->index_cache)
1210		return -ENOMEM;
1211
1212	rt298->index_cache_size = INDEX_CACHE_SIZE;
1213	rt298->i2c = i2c;
1214	i2c_set_clientdata(i2c, rt298);
1215
1216	/* restore codec default */
1217	for (i = 0; i < INDEX_CACHE_SIZE; i++)
1218		regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1219				rt298->index_cache[i].def);
1220	for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1221		regmap_write(rt298->regmap, rt298_reg[i].reg,
1222				rt298_reg[i].def);
1223
1224	if (pdata)
1225		rt298->pdata = *pdata;
1226
1227	/* enable jack combo mode on supported devices */
1228	acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1229	if (acpiid && acpiid->driver_data) {
1230		rt298->pdata = *(struct rt298_platform_data *)
1231				acpiid->driver_data;
1232	}
1233
1234	if (dmi_check_system(force_combo_jack_table)) {
1235		rt298->pdata.cbj_en = true;
1236		rt298->pdata.gpio2_en = false;
1237	}
1238
1239	/* VREF Charging */
1240	regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1241	regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1242	/* Vref2 */
1243	regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1244
1245	regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1246
1247	for (i = 0; i < RT298_POWER_REG_LEN; i++)
1248		regmap_write(rt298->regmap,
1249			RT298_SET_POWER(rt298_support_power_controls[i]),
1250			AC_PWRST_D1);
1251
1252	if (!rt298->pdata.cbj_en) {
1253		regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1254		regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1255		regmap_update_bits(rt298->regmap,
1256					RT298_CBJ_CTRL1, 0xf000, 0xb000);
1257	} else {
1258		regmap_update_bits(rt298->regmap,
1259					RT298_CBJ_CTRL1, 0xf000, 0x5000);
1260	}
1261
1262	mdelay(10);
1263
1264	if (!rt298->pdata.gpio2_en)
1265		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1266	else
1267		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1268
1269	mdelay(10);
1270
1271	regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1272	regmap_update_bits(rt298->regmap,
1273				RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1274
1275	regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0x81);
1276	regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0x82);
1277	regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0x84);
1278	regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0x2, 0x2);
1279
1280	rt298->is_hp_in = -1;
1281
1282	if (rt298->i2c->irq) {
1283		ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1284			IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1285		if (ret != 0) {
1286			dev_err(&i2c->dev,
1287				"Failed to request IRQ: %d\n", ret);
1288			return ret;
1289		}
1290	}
1291
1292	ret = devm_snd_soc_register_component(&i2c->dev,
1293				     &soc_component_dev_rt298,
1294				     rt298_dai, ARRAY_SIZE(rt298_dai));
1295
1296	return ret;
1297}
1298
1299static void rt298_i2c_remove(struct i2c_client *i2c)
1300{
1301	struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1302
1303	if (i2c->irq)
1304		free_irq(i2c->irq, rt298);
1305}
1306
1307
1308static struct i2c_driver rt298_i2c_driver = {
1309	.driver = {
1310		   .name = "rt298",
1311		   .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1312		   },
1313	.probe = rt298_i2c_probe,
1314	.remove = rt298_i2c_remove,
1315	.id_table = rt298_i2c_id,
1316};
1317
1318module_i2c_driver(rt298_i2c_driver);
1319
1320MODULE_DESCRIPTION("ASoC RT298 driver");
1321MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1322MODULE_LICENSE("GPL");