1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * ALSA SoC TWL6040 codec driver
   4 *
   5 * Author:	 Misael Lopez Cruz <x0052729@ti.com>
   6 */
   7
   8#include <linux/module.h>
   9#include <linux/moduleparam.h>
  10#include <linux/init.h>
  11#include <linux/delay.h>
  12#include <linux/pm.h>
  13#include <linux/platform_device.h>
  14#include <linux/slab.h>
  15#include <linux/mfd/twl6040.h>
  16
  17#include <sound/core.h>
  18#include <sound/pcm.h>
  19#include <sound/pcm_params.h>
  20#include <sound/soc.h>
  21#include <sound/soc-dapm.h>
  22#include <sound/initval.h>
  23#include <sound/tlv.h>
  24
  25#include "twl6040.h"
  26
  27enum twl6040_dai_id {
  28	TWL6040_DAI_LEGACY = 0,
  29	TWL6040_DAI_UL,
  30	TWL6040_DAI_DL1,
  31	TWL6040_DAI_DL2,
  32	TWL6040_DAI_VIB,
  33};
  34
  35#define TWL6040_RATES		SNDRV_PCM_RATE_8000_96000
  36#define TWL6040_FORMATS	(SNDRV_PCM_FMTBIT_S32_LE)
  37
  38#define TWL6040_OUTHS_0dB 0x00
  39#define TWL6040_OUTHS_M30dB 0x0F
  40#define TWL6040_OUTHF_0dB 0x03
  41#define TWL6040_OUTHF_M52dB 0x1D
  42
  43#define TWL6040_CACHEREGNUM	(TWL6040_REG_STATUS + 1)
  44
  45struct twl6040_jack_data {
  46	struct snd_soc_jack *jack;
  47	struct delayed_work work;
  48	int report;
  49};
  50
  51/* codec private data */
  52struct twl6040_data {
  53	int plug_irq;
  54	int codec_powered;
  55	int pll;
  56	int pll_power_mode;
  57	int hs_power_mode;
  58	int hs_power_mode_locked;
  59	bool dl1_unmuted;
  60	bool dl2_unmuted;
  61	u8 dl12_cache[TWL6040_REG_HFRCTL - TWL6040_REG_HSLCTL + 1];
  62	unsigned int clk_in;
  63	unsigned int sysclk;
  64	struct twl6040_jack_data hs_jack;
  65	struct snd_soc_component *component;
  66	struct mutex mutex;
  67};
  68
  69/* set of rates for each pll: low-power and high-performance */
  70static const unsigned int lp_rates[] = {
  71	8000,
  72	11250,
  73	16000,
  74	22500,
  75	32000,
  76	44100,
  77	48000,
  78	88200,
  79	96000,
  80};
  81
  82static const unsigned int hp_rates[] = {
  83	8000,
  84	16000,
  85	32000,
  86	48000,
  87	96000,
  88};
  89
  90static const struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
  91	{ .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
  92	{ .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
  93};
  94
  95#define to_twl6040(component)	dev_get_drvdata((component)->dev->parent)
  96
  97static unsigned int twl6040_read(struct snd_soc_component *component, unsigned int reg)
  98{
  99	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 100	struct twl6040 *twl6040 = to_twl6040(component);
 101	u8 value;
 102
 103	if (reg >= TWL6040_CACHEREGNUM)
 104		return -EIO;
 105
 106	switch (reg) {
 107	case TWL6040_REG_HSLCTL:
 108	case TWL6040_REG_HSRCTL:
 109	case TWL6040_REG_EARCTL:
 110	case TWL6040_REG_HFLCTL:
 111	case TWL6040_REG_HFRCTL:
 112		value = priv->dl12_cache[reg - TWL6040_REG_HSLCTL];
 113		break;
 114	default:
 115		value = twl6040_reg_read(twl6040, reg);
 116		break;
 117	}
 118
 119	return value;
 120}
 121
 122static bool twl6040_can_write_to_chip(struct snd_soc_component *component,
 123				  unsigned int reg)
 124{
 125	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 126
 127	switch (reg) {
 128	case TWL6040_REG_HSLCTL:
 129	case TWL6040_REG_HSRCTL:
 130	case TWL6040_REG_EARCTL:
 131		/* DL1 path */
 132		return priv->dl1_unmuted;
 133	case TWL6040_REG_HFLCTL:
 134	case TWL6040_REG_HFRCTL:
 135		return priv->dl2_unmuted;
 136	default:
 137		return true;
 138	}
 139}
 140
 141static inline void twl6040_update_dl12_cache(struct snd_soc_component *component,
 142					     u8 reg, u8 value)
 143{
 144	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 145
 146	switch (reg) {
 147	case TWL6040_REG_HSLCTL:
 148	case TWL6040_REG_HSRCTL:
 149	case TWL6040_REG_EARCTL:
 150	case TWL6040_REG_HFLCTL:
 151	case TWL6040_REG_HFRCTL:
 152		priv->dl12_cache[reg - TWL6040_REG_HSLCTL] = value;
 153		break;
 154	default:
 155		break;
 156	}
 157}
 158
 159static int twl6040_write(struct snd_soc_component *component,
 160			unsigned int reg, unsigned int value)
 161{
 162	struct twl6040 *twl6040 = to_twl6040(component);
 163
 164	if (reg >= TWL6040_CACHEREGNUM)
 165		return -EIO;
 166
 167	twl6040_update_dl12_cache(component, reg, value);
 168	if (twl6040_can_write_to_chip(component, reg))
 169		return twl6040_reg_write(twl6040, reg, value);
 170	else
 171		return 0;
 172}
 173
 174static void twl6040_init_chip(struct snd_soc_component *component)
 175{
 176	twl6040_read(component, TWL6040_REG_TRIM1);
 177	twl6040_read(component, TWL6040_REG_TRIM2);
 178	twl6040_read(component, TWL6040_REG_TRIM3);
 179	twl6040_read(component, TWL6040_REG_HSOTRIM);
 180	twl6040_read(component, TWL6040_REG_HFOTRIM);
 181
 182	/* Change chip defaults */
 183	/* No imput selected for microphone amplifiers */
 184	twl6040_write(component, TWL6040_REG_MICLCTL, 0x18);
 185	twl6040_write(component, TWL6040_REG_MICRCTL, 0x18);
 186
 187	/*
 188	 * We need to lower the default gain values, so the ramp code
 189	 * can work correctly for the first playback.
 190	 * This reduces the pop noise heard at the first playback.
 191	 */
 192	twl6040_write(component, TWL6040_REG_HSGAIN, 0xff);
 193	twl6040_write(component, TWL6040_REG_EARCTL, 0x1e);
 194	twl6040_write(component, TWL6040_REG_HFLGAIN, 0x1d);
 195	twl6040_write(component, TWL6040_REG_HFRGAIN, 0x1d);
 196	twl6040_write(component, TWL6040_REG_LINEGAIN, 0);
 197}
 198
 199/* set headset dac and driver power mode */
 200static int headset_power_mode(struct snd_soc_component *component, int high_perf)
 201{
 202	int hslctl, hsrctl;
 203	int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
 204
 205	hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
 206	hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
 207
 208	if (high_perf) {
 209		hslctl &= ~mask;
 210		hsrctl &= ~mask;
 211	} else {
 212		hslctl |= mask;
 213		hsrctl |= mask;
 214	}
 215
 216	twl6040_write(component, TWL6040_REG_HSLCTL, hslctl);
 217	twl6040_write(component, TWL6040_REG_HSRCTL, hsrctl);
 218
 219	return 0;
 220}
 221
 222static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
 223			struct snd_kcontrol *kcontrol, int event)
 224{
 225	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 226	u8 hslctl, hsrctl;
 227
 228	/*
 229	 * Workaround for Headset DC offset caused pop noise:
 230	 * Both HS DAC need to be turned on (before the HS driver) and off at
 231	 * the same time.
 232	 */
 233	hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
 234	hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
 235	if (SND_SOC_DAPM_EVENT_ON(event)) {
 236		hslctl |= TWL6040_HSDACENA;
 237		hsrctl |= TWL6040_HSDACENA;
 238	} else {
 239		hslctl &= ~TWL6040_HSDACENA;
 240		hsrctl &= ~TWL6040_HSDACENA;
 241	}
 242	twl6040_write(component, TWL6040_REG_HSLCTL, hslctl);
 243	twl6040_write(component, TWL6040_REG_HSRCTL, hsrctl);
 244
 245	msleep(1);
 246	return 0;
 247}
 248
 249static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
 250			struct snd_kcontrol *kcontrol, int event)
 251{
 252	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 253	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 254	int ret = 0;
 255
 256	if (SND_SOC_DAPM_EVENT_ON(event)) {
 257		/* Earphone doesn't support low power mode */
 258		priv->hs_power_mode_locked = 1;
 259		ret = headset_power_mode(component, 1);
 260	} else {
 261		priv->hs_power_mode_locked = 0;
 262		ret = headset_power_mode(component, priv->hs_power_mode);
 263	}
 264
 265	msleep(1);
 266
 267	return ret;
 268}
 269
 270static void twl6040_hs_jack_report(struct snd_soc_component *component,
 271				   struct snd_soc_jack *jack, int report)
 272{
 273	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 274	int status;
 275
 276	mutex_lock(&priv->mutex);
 277
 278	/* Sync status */
 279	status = twl6040_read(component, TWL6040_REG_STATUS);
 280	if (status & TWL6040_PLUGCOMP)
 281		snd_soc_jack_report(jack, report, report);
 282	else
 283		snd_soc_jack_report(jack, 0, report);
 284
 285	mutex_unlock(&priv->mutex);
 286}
 287
 288void twl6040_hs_jack_detect(struct snd_soc_component *component,
 289				struct snd_soc_jack *jack, int report)
 290{
 291	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 292	struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 293
 294	hs_jack->jack = jack;
 295	hs_jack->report = report;
 296
 297	twl6040_hs_jack_report(component, hs_jack->jack, hs_jack->report);
 298}
 299EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
 300
 301static void twl6040_accessory_work(struct work_struct *work)
 302{
 303	struct twl6040_data *priv = container_of(work,
 304					struct twl6040_data, hs_jack.work.work);
 305	struct snd_soc_component *component = priv->component;
 306	struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 307
 308	twl6040_hs_jack_report(component, hs_jack->jack, hs_jack->report);
 309}
 310
 311/* audio interrupt handler */
 312static irqreturn_t twl6040_audio_handler(int irq, void *data)
 313{
 314	struct snd_soc_component *component = data;
 315	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 316
 317	queue_delayed_work(system_power_efficient_wq,
 318			   &priv->hs_jack.work, msecs_to_jiffies(200));
 319
 320	return IRQ_HANDLED;
 321}
 322
 323static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
 324	struct snd_ctl_elem_value *ucontrol)
 325{
 326	struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
 327	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 328	unsigned int val;
 329
 330	/* Do not allow changes while Input/FF efect is running */
 331	val = twl6040_read(component, e->reg);
 332	if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
 333		return -EBUSY;
 334
 335	return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
 336}
 337
 338/*
 339 * MICATT volume control:
 340 * from -6 to 0 dB in 6 dB steps
 341 */
 342static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
 343
 344/*
 345 * MICGAIN volume control:
 346 * from 6 to 30 dB in 6 dB steps
 347 */
 348static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
 349
 350/*
 351 * AFMGAIN volume control:
 352 * from -18 to 24 dB in 6 dB steps
 353 */
 354static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
 355
 356/*
 357 * HSGAIN volume control:
 358 * from -30 to 0 dB in 2 dB steps
 359 */
 360static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
 361
 362/*
 363 * HFGAIN volume control:
 364 * from -52 to 6 dB in 2 dB steps
 365 */
 366static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
 367
 368/*
 369 * EPGAIN volume control:
 370 * from -24 to 6 dB in 2 dB steps
 371 */
 372static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
 373
 374/* Left analog microphone selection */
 375static const char *twl6040_amicl_texts[] =
 376	{"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
 377
 378/* Right analog microphone selection */
 379static const char *twl6040_amicr_texts[] =
 380	{"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
 381
 382static const struct soc_enum twl6040_enum[] = {
 383	SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3,
 384			ARRAY_SIZE(twl6040_amicl_texts), twl6040_amicl_texts),
 385	SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3,
 386			ARRAY_SIZE(twl6040_amicr_texts), twl6040_amicr_texts),
 387};
 388
 389static const char *twl6040_hs_texts[] = {
 390	"Off", "HS DAC", "Line-In amp"
 391};
 392
 393static const struct soc_enum twl6040_hs_enum[] = {
 394	SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 395			twl6040_hs_texts),
 396	SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 397			twl6040_hs_texts),
 398};
 399
 400static const char *twl6040_hf_texts[] = {
 401	"Off", "HF DAC", "Line-In amp"
 402};
 403
 404static const struct soc_enum twl6040_hf_enum[] = {
 405	SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 406			twl6040_hf_texts),
 407	SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 408			twl6040_hf_texts),
 409};
 410
 411static const char *twl6040_vibrapath_texts[] = {
 412	"Input FF", "Audio PDM"
 413};
 414
 415static const struct soc_enum twl6040_vibra_enum[] = {
 416	SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
 417			ARRAY_SIZE(twl6040_vibrapath_texts),
 418			twl6040_vibrapath_texts),
 419	SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
 420			ARRAY_SIZE(twl6040_vibrapath_texts),
 421			twl6040_vibrapath_texts),
 422};
 423
 424static const struct snd_kcontrol_new amicl_control =
 425	SOC_DAPM_ENUM("Route", twl6040_enum[0]);
 426
 427static const struct snd_kcontrol_new amicr_control =
 428	SOC_DAPM_ENUM("Route", twl6040_enum[1]);
 429
 430/* Headset DAC playback switches */
 431static const struct snd_kcontrol_new hsl_mux_controls =
 432	SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
 433
 434static const struct snd_kcontrol_new hsr_mux_controls =
 435	SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
 436
 437/* Handsfree DAC playback switches */
 438static const struct snd_kcontrol_new hfl_mux_controls =
 439	SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
 440
 441static const struct snd_kcontrol_new hfr_mux_controls =
 442	SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
 443
 444static const struct snd_kcontrol_new ep_path_enable_control =
 445	SOC_DAPM_SINGLE_VIRT("Switch", 1);
 446
 447static const struct snd_kcontrol_new auxl_switch_control =
 448	SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
 449
 450static const struct snd_kcontrol_new auxr_switch_control =
 451	SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
 452
 453/* Vibra playback switches */
 454static const struct snd_kcontrol_new vibral_mux_controls =
 455	SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
 456		snd_soc_dapm_get_enum_double,
 457		twl6040_soc_dapm_put_vibra_enum);
 458
 459static const struct snd_kcontrol_new vibrar_mux_controls =
 460	SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
 461		snd_soc_dapm_get_enum_double,
 462		twl6040_soc_dapm_put_vibra_enum);
 463
 464/* Headset power mode */
 465static const char *twl6040_power_mode_texts[] = {
 466	"Low-Power", "High-Performance",
 467};
 468
 469static SOC_ENUM_SINGLE_EXT_DECL(twl6040_power_mode_enum,
 470				twl6040_power_mode_texts);
 471
 472static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
 473	struct snd_ctl_elem_value *ucontrol)
 474{
 475	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 476	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 477
 478	ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
 479
 480	return 0;
 481}
 482
 483static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
 484	struct snd_ctl_elem_value *ucontrol)
 485{
 486	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 487	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 488	int high_perf = ucontrol->value.enumerated.item[0];
 489	int ret = 0;
 490
 491	if (!priv->hs_power_mode_locked)
 492		ret = headset_power_mode(component, high_perf);
 493
 494	if (!ret)
 495		priv->hs_power_mode = high_perf;
 496
 497	return ret;
 498}
 499
 500static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
 501	struct snd_ctl_elem_value *ucontrol)
 502{
 503	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 504	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 505
 506	ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
 507
 508	return 0;
 509}
 510
 511static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
 512	struct snd_ctl_elem_value *ucontrol)
 513{
 514	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 515	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 516
 517	priv->pll_power_mode = ucontrol->value.enumerated.item[0];
 518
 519	return 0;
 520}
 521
 522int twl6040_get_dl1_gain(struct snd_soc_component *component)
 523{
 524	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
 525
 526	if (snd_soc_dapm_get_pin_status(dapm, "EP"))
 527		return -1; /* -1dB */
 528
 529	if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
 530		snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
 531
 532		u8 val = twl6040_read(component, TWL6040_REG_HSLCTL);
 533		if (val & TWL6040_HSDACMODE)
 534			/* HSDACL in LP mode */
 535			return -8; /* -8dB */
 536		else
 537			/* HSDACL in HP mode */
 538			return -1; /* -1dB */
 539	}
 540	return 0; /* 0dB */
 541}
 542EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
 543
 544int twl6040_get_clk_id(struct snd_soc_component *component)
 545{
 546	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 547
 548	return priv->pll_power_mode;
 549}
 550EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
 551
 552int twl6040_get_trim_value(struct snd_soc_component *component, enum twl6040_trim trim)
 553{
 554	if (unlikely(trim >= TWL6040_TRIM_INVAL))
 555		return -EINVAL;
 556
 557	return twl6040_read(component, TWL6040_REG_TRIM1 + trim);
 558}
 559EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
 560
 561int twl6040_get_hs_step_size(struct snd_soc_component *component)
 562{
 563	struct twl6040 *twl6040 = to_twl6040(component);
 564
 565	if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
 566		/* For ES under ES_1.3 HS step is 2 mV */
 567		return 2;
 568	else
 569		/* For ES_1.3 HS step is 1 mV */
 570		return 1;
 571}
 572EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
 573
 574static const struct snd_kcontrol_new twl6040_snd_controls[] = {
 575	/* Capture gains */
 576	SOC_DOUBLE_TLV("Capture Preamplifier Volume",
 577		TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
 578	SOC_DOUBLE_TLV("Capture Volume",
 579		TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
 580
 581	/* AFM gains */
 582	SOC_DOUBLE_TLV("Aux FM Volume",
 583		TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
 584
 585	/* Playback gains */
 586	SOC_DOUBLE_TLV("Headset Playback Volume",
 587		TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
 588	SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
 589		TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
 590	SOC_SINGLE_TLV("Earphone Playback Volume",
 591		TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
 592
 593	SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
 594		twl6040_headset_power_get_enum,
 595		twl6040_headset_power_put_enum),
 596
 597	/* Left HS PDM data routed to Right HSDAC */
 598	SOC_SINGLE("Headset Mono to Stereo Playback Switch",
 599		TWL6040_REG_HSRCTL, 7, 1, 0),
 600
 601	/* Left HF PDM data routed to Right HFDAC */
 602	SOC_SINGLE("Handsfree Mono to Stereo Playback Switch",
 603		TWL6040_REG_HFRCTL, 5, 1, 0),
 604
 605	SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
 606		twl6040_pll_get_enum, twl6040_pll_put_enum),
 607};
 608
 609static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
 610	/* Inputs */
 611	SND_SOC_DAPM_INPUT("MAINMIC"),
 612	SND_SOC_DAPM_INPUT("HSMIC"),
 613	SND_SOC_DAPM_INPUT("SUBMIC"),
 614	SND_SOC_DAPM_INPUT("AFML"),
 615	SND_SOC_DAPM_INPUT("AFMR"),
 616
 617	/* Outputs */
 618	SND_SOC_DAPM_OUTPUT("HSOL"),
 619	SND_SOC_DAPM_OUTPUT("HSOR"),
 620	SND_SOC_DAPM_OUTPUT("HFL"),
 621	SND_SOC_DAPM_OUTPUT("HFR"),
 622	SND_SOC_DAPM_OUTPUT("EP"),
 623	SND_SOC_DAPM_OUTPUT("AUXL"),
 624	SND_SOC_DAPM_OUTPUT("AUXR"),
 625	SND_SOC_DAPM_OUTPUT("VIBRAL"),
 626	SND_SOC_DAPM_OUTPUT("VIBRAR"),
 627
 628	/* Analog input muxes for the capture amplifiers */
 629	SND_SOC_DAPM_MUX("Analog Left Capture Route",
 630			SND_SOC_NOPM, 0, 0, &amicl_control),
 631	SND_SOC_DAPM_MUX("Analog Right Capture Route",
 632			SND_SOC_NOPM, 0, 0, &amicr_control),
 633
 634	/* Analog capture PGAs */
 635	SND_SOC_DAPM_PGA("MicAmpL",
 636			TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
 637	SND_SOC_DAPM_PGA("MicAmpR",
 638			TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
 639
 640	/* Auxiliary FM PGAs */
 641	SND_SOC_DAPM_PGA("AFMAmpL",
 642			TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
 643	SND_SOC_DAPM_PGA("AFMAmpR",
 644			TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
 645
 646	/* ADCs */
 647	SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
 648	SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
 649
 650	/* Microphone bias */
 651	SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
 652			    TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
 653	SND_SOC_DAPM_SUPPLY("Main Mic Bias",
 654			    TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
 655	SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
 656			    TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
 657	SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
 658			    TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
 659
 660	/* DACs */
 661	SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
 662	SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
 663	SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
 664	SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
 665	/* Virtual DAC for vibra path (DL4 channel) */
 666	SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
 667
 668	SND_SOC_DAPM_MUX("Handsfree Left Playback",
 669			SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
 670	SND_SOC_DAPM_MUX("Handsfree Right Playback",
 671			SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
 672	/* Analog playback Muxes */
 673	SND_SOC_DAPM_MUX("Headset Left Playback",
 674			SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
 675	SND_SOC_DAPM_MUX("Headset Right Playback",
 676			SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
 677
 678	SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
 679			&vibral_mux_controls),
 680	SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
 681			&vibrar_mux_controls),
 682
 683	SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
 684			&ep_path_enable_control),
 685	SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
 686			&auxl_switch_control),
 687	SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
 688			&auxr_switch_control),
 689
 690	/* Analog playback drivers */
 691	SND_SOC_DAPM_OUT_DRV("HF Left Driver",
 692			TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
 693	SND_SOC_DAPM_OUT_DRV("HF Right Driver",
 694			TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
 695	SND_SOC_DAPM_OUT_DRV("HS Left Driver",
 696			TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
 697	SND_SOC_DAPM_OUT_DRV("HS Right Driver",
 698			TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
 699	SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
 700			TWL6040_REG_EARCTL, 0, 0, NULL, 0,
 701			twl6040_ep_drv_event,
 702			SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 703	SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
 704			TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
 705	SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
 706			TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
 707
 708	SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
 709			    NULL, 0),
 710	SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
 711			    NULL, 0),
 712	SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
 713			      twl6040_hs_dac_event,
 714			      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 715
 716	/* Analog playback PGAs */
 717	SND_SOC_DAPM_PGA("HF Left PGA",
 718			TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
 719	SND_SOC_DAPM_PGA("HF Right PGA",
 720			TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
 721
 722};
 723
 724static const struct snd_soc_dapm_route intercon[] = {
 725	/* Stream -> DAC mapping */
 726	{"HSDAC Left", NULL, "Legacy Playback"},
 727	{"HSDAC Left", NULL, "Headset Playback"},
 728	{"HSDAC Right", NULL, "Legacy Playback"},
 729	{"HSDAC Right", NULL, "Headset Playback"},
 730
 731	{"HFDAC Left", NULL, "Legacy Playback"},
 732	{"HFDAC Left", NULL, "Handsfree Playback"},
 733	{"HFDAC Right", NULL, "Legacy Playback"},
 734	{"HFDAC Right", NULL, "Handsfree Playback"},
 735
 736	{"VIBRA DAC", NULL, "Legacy Playback"},
 737	{"VIBRA DAC", NULL, "Vibra Playback"},
 738
 739	/* ADC -> Stream mapping */
 740	{"Legacy Capture" , NULL, "ADC Left"},
 741	{"Capture", NULL, "ADC Left"},
 742	{"Legacy Capture", NULL, "ADC Right"},
 743	{"Capture" , NULL, "ADC Right"},
 744
 745	/* Capture path */
 746	{"Analog Left Capture Route", "Headset Mic", "HSMIC"},
 747	{"Analog Left Capture Route", "Main Mic", "MAINMIC"},
 748	{"Analog Left Capture Route", "Aux/FM Left", "AFML"},
 749
 750	{"Analog Right Capture Route", "Headset Mic", "HSMIC"},
 751	{"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
 752	{"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
 753
 754	{"MicAmpL", NULL, "Analog Left Capture Route"},
 755	{"MicAmpR", NULL, "Analog Right Capture Route"},
 756
 757	{"ADC Left", NULL, "MicAmpL"},
 758	{"ADC Right", NULL, "MicAmpR"},
 759
 760	/* AFM path */
 761	{"AFMAmpL", NULL, "AFML"},
 762	{"AFMAmpR", NULL, "AFMR"},
 763
 764	{"HSDAC Left", NULL, "HSDAC Power"},
 765	{"HSDAC Right", NULL, "HSDAC Power"},
 766
 767	{"Headset Left Playback", "HS DAC", "HSDAC Left"},
 768	{"Headset Left Playback", "Line-In amp", "AFMAmpL"},
 769
 770	{"Headset Right Playback", "HS DAC", "HSDAC Right"},
 771	{"Headset Right Playback", "Line-In amp", "AFMAmpR"},
 772
 773	{"HS Left Driver", NULL, "Headset Left Playback"},
 774	{"HS Right Driver", NULL, "Headset Right Playback"},
 775
 776	{"HSOL", NULL, "HS Left Driver"},
 777	{"HSOR", NULL, "HS Right Driver"},
 778
 779	/* Earphone playback path */
 780	{"Earphone Playback", "Switch", "HSDAC Left"},
 781	{"Earphone Driver", NULL, "Earphone Playback"},
 782	{"EP", NULL, "Earphone Driver"},
 783
 784	{"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
 785	{"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
 786
 787	{"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
 788	{"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
 789
 790	{"HF Left PGA", NULL, "Handsfree Left Playback"},
 791	{"HF Right PGA", NULL, "Handsfree Right Playback"},
 792
 793	{"HF Left Driver", NULL, "HF Left PGA"},
 794	{"HF Right Driver", NULL, "HF Right PGA"},
 795
 796	{"HFL", NULL, "HF Left Driver"},
 797	{"HFR", NULL, "HF Right Driver"},
 798
 799	{"AUXL Playback", "Switch", "HF Left PGA"},
 800	{"AUXR Playback", "Switch", "HF Right PGA"},
 801
 802	{"AUXL", NULL, "AUXL Playback"},
 803	{"AUXR", NULL, "AUXR Playback"},
 804
 805	/* Vibrator paths */
 806	{"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
 807	{"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
 808
 809	{"Vibra Left Driver", NULL, "Vibra Left Playback"},
 810	{"Vibra Right Driver", NULL, "Vibra Right Playback"},
 811	{"Vibra Left Driver", NULL, "Vibra Left Control"},
 812	{"Vibra Right Driver", NULL, "Vibra Right Control"},
 813
 814	{"VIBRAL", NULL, "Vibra Left Driver"},
 815	{"VIBRAR", NULL, "Vibra Right Driver"},
 816};
 817
 818static int twl6040_set_bias_level(struct snd_soc_component *component,
 819				enum snd_soc_bias_level level)
 820{
 821	struct twl6040 *twl6040 = to_twl6040(component);
 822	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 823	int ret = 0;
 824
 825	switch (level) {
 826	case SND_SOC_BIAS_ON:
 827		break;
 828	case SND_SOC_BIAS_PREPARE:
 829		break;
 830	case SND_SOC_BIAS_STANDBY:
 831		if (priv->codec_powered) {
 832			/* Select low power PLL in standby */
 833			ret = twl6040_set_pll(twl6040, TWL6040_SYSCLK_SEL_LPPLL,
 834					      32768, 19200000);
 835			break;
 836		}
 837
 838		ret = twl6040_power(twl6040, 1);
 839		if (ret)
 840			break;
 841
 842		priv->codec_powered = 1;
 843
 844		/* Set external boost GPO */
 845		twl6040_write(component, TWL6040_REG_GPOCTL, 0x02);
 846		break;
 847	case SND_SOC_BIAS_OFF:
 848		if (!priv->codec_powered)
 849			break;
 850
 851		twl6040_power(twl6040, 0);
 852		priv->codec_powered = 0;
 853		break;
 854	}
 855
 856	return ret;
 857}
 858
 859static int twl6040_startup(struct snd_pcm_substream *substream,
 860			struct snd_soc_dai *dai)
 861{
 862	struct snd_soc_component *component = dai->component;
 863	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 864
 865	snd_pcm_hw_constraint_list(substream->runtime, 0,
 866				SNDRV_PCM_HW_PARAM_RATE,
 867				&sysclk_constraints[priv->pll_power_mode]);
 868
 869	return 0;
 870}
 871
 872static int twl6040_hw_params(struct snd_pcm_substream *substream,
 873			struct snd_pcm_hw_params *params,
 874			struct snd_soc_dai *dai)
 875{
 876	struct snd_soc_component *component = dai->component;
 877	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 878	int rate;
 879
 880	rate = params_rate(params);
 881	switch (rate) {
 882	case 11250:
 883	case 22500:
 884	case 44100:
 885	case 88200:
 886		/* These rates are not supported when HPPLL is in use */
 887		if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
 888			dev_err(component->dev, "HPPLL does not support rate %d\n",
 889				rate);
 890			return -EINVAL;
 891		}
 892		priv->sysclk = 17640000;
 893		break;
 894	case 8000:
 895	case 16000:
 896	case 32000:
 897	case 48000:
 898	case 96000:
 899		priv->sysclk = 19200000;
 900		break;
 901	default:
 902		dev_err(component->dev, "unsupported rate %d\n", rate);
 903		return -EINVAL;
 904	}
 905
 906	return 0;
 907}
 908
 909static int twl6040_prepare(struct snd_pcm_substream *substream,
 910			struct snd_soc_dai *dai)
 911{
 912	struct snd_soc_component *component = dai->component;
 913	struct twl6040 *twl6040 = to_twl6040(component);
 914	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 915	int ret;
 916
 917	if (!priv->sysclk) {
 918		dev_err(component->dev,
 919			"no mclk configured, call set_sysclk() on init\n");
 920		return -EINVAL;
 921	}
 922
 923	ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
 924	if (ret) {
 925		dev_err(component->dev, "Can not set PLL (%d)\n", ret);
 926		return -EPERM;
 927	}
 928
 929	return 0;
 930}
 931
 932static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
 933		int clk_id, unsigned int freq, int dir)
 934{
 935	struct snd_soc_component *component = codec_dai->component;
 936	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 937
 938	switch (clk_id) {
 939	case TWL6040_SYSCLK_SEL_LPPLL:
 940	case TWL6040_SYSCLK_SEL_HPPLL:
 941		priv->pll = clk_id;
 942		priv->clk_in = freq;
 943		break;
 944	default:
 945		dev_err(component->dev, "unknown clk_id %d\n", clk_id);
 946		return -EINVAL;
 947	}
 948
 949	return 0;
 950}
 951
 952static void twl6040_mute_path(struct snd_soc_component *component, enum twl6040_dai_id id,
 953			     int mute)
 954{
 955	struct twl6040 *twl6040 = to_twl6040(component);
 956	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 957	int hslctl, hsrctl, earctl;
 958	int hflctl, hfrctl;
 959
 960	switch (id) {
 961	case TWL6040_DAI_DL1:
 962		hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
 963		hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
 964		earctl = twl6040_read(component, TWL6040_REG_EARCTL);
 965
 966		if (mute) {
 967			/* Power down drivers and DACs */
 968			earctl &= ~0x01;
 969			hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
 970			hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
 971
 972		}
 973
 974		twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
 975		twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
 976		twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
 977		priv->dl1_unmuted = !mute;
 978		break;
 979	case TWL6040_DAI_DL2:
 980		hflctl = twl6040_read(component, TWL6040_REG_HFLCTL);
 981		hfrctl = twl6040_read(component, TWL6040_REG_HFRCTL);
 982
 983		if (mute) {
 984			/* Power down drivers and DACs */
 985			hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
 986				    TWL6040_HFDRVENA | TWL6040_HFSWENA);
 987			hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
 988				    TWL6040_HFDRVENA | TWL6040_HFSWENA);
 989		}
 990
 991		twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
 992		twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
 993		priv->dl2_unmuted = !mute;
 994		break;
 995	default:
 996		break;
 997	}
 998}
 999
1000static int twl6040_mute_stream(struct snd_soc_dai *dai, int mute, int direction)
1001{
1002	switch (dai->id) {
1003	case TWL6040_DAI_LEGACY:
1004		twl6040_mute_path(dai->component, TWL6040_DAI_DL1, mute);
1005		twl6040_mute_path(dai->component, TWL6040_DAI_DL2, mute);
1006		break;
1007	case TWL6040_DAI_DL1:
1008	case TWL6040_DAI_DL2:
1009		twl6040_mute_path(dai->component, dai->id, mute);
1010		break;
1011	default:
1012		break;
1013	}
1014
1015	return 0;
1016}
1017
1018static const struct snd_soc_dai_ops twl6040_dai_ops = {
1019	.startup	= twl6040_startup,
1020	.hw_params	= twl6040_hw_params,
1021	.prepare	= twl6040_prepare,
1022	.set_sysclk	= twl6040_set_dai_sysclk,
1023	.mute_stream	= twl6040_mute_stream,
1024	.no_capture_mute = 1,
1025};
1026
1027static struct snd_soc_dai_driver twl6040_dai[] = {
1028{
1029	.name = "twl6040-legacy",
1030	.id = TWL6040_DAI_LEGACY,
1031	.playback = {
1032		.stream_name = "Legacy Playback",
1033		.channels_min = 1,
1034		.channels_max = 5,
1035		.rates = TWL6040_RATES,
1036		.formats = TWL6040_FORMATS,
1037	},
1038	.capture = {
1039		.stream_name = "Legacy Capture",
1040		.channels_min = 1,
1041		.channels_max = 2,
1042		.rates = TWL6040_RATES,
1043		.formats = TWL6040_FORMATS,
1044	},
1045	.ops = &twl6040_dai_ops,
1046},
1047{
1048	.name = "twl6040-ul",
1049	.id = TWL6040_DAI_UL,
1050	.capture = {
1051		.stream_name = "Capture",
1052		.channels_min = 1,
1053		.channels_max = 2,
1054		.rates = TWL6040_RATES,
1055		.formats = TWL6040_FORMATS,
1056	},
1057	.ops = &twl6040_dai_ops,
1058},
1059{
1060	.name = "twl6040-dl1",
1061	.id = TWL6040_DAI_DL1,
1062	.playback = {
1063		.stream_name = "Headset Playback",
1064		.channels_min = 1,
1065		.channels_max = 2,
1066		.rates = TWL6040_RATES,
1067		.formats = TWL6040_FORMATS,
1068	},
1069	.ops = &twl6040_dai_ops,
1070},
1071{
1072	.name = "twl6040-dl2",
1073	.id = TWL6040_DAI_DL2,
1074	.playback = {
1075		.stream_name = "Handsfree Playback",
1076		.channels_min = 1,
1077		.channels_max = 2,
1078		.rates = TWL6040_RATES,
1079		.formats = TWL6040_FORMATS,
1080	},
1081	.ops = &twl6040_dai_ops,
1082},
1083{
1084	.name = "twl6040-vib",
1085	.id = TWL6040_DAI_VIB,
1086	.playback = {
1087		.stream_name = "Vibra Playback",
1088		.channels_min = 1,
1089		.channels_max = 1,
1090		.rates = SNDRV_PCM_RATE_CONTINUOUS,
1091		.formats = TWL6040_FORMATS,
1092	},
1093	.ops = &twl6040_dai_ops,
1094},
1095};
1096
1097static int twl6040_probe(struct snd_soc_component *component)
1098{
1099	struct twl6040_data *priv;
1100	struct platform_device *pdev = to_platform_device(component->dev);
1101	int ret = 0;
1102
1103	priv = devm_kzalloc(component->dev, sizeof(*priv), GFP_KERNEL);
1104	if (priv == NULL)
1105		return -ENOMEM;
1106
1107	snd_soc_component_set_drvdata(component, priv);
1108
1109	priv->component = component;
1110
1111	priv->plug_irq = platform_get_irq(pdev, 0);
1112	if (priv->plug_irq < 0)
1113		return priv->plug_irq;
1114
1115	INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1116
1117	mutex_init(&priv->mutex);
1118
1119	ret = request_threaded_irq(priv->plug_irq, NULL,
1120					twl6040_audio_handler,
1121					IRQF_NO_SUSPEND | IRQF_ONESHOT,
1122					"twl6040_irq_plug", component);
1123	if (ret) {
1124		dev_err(component->dev, "PLUG IRQ request failed: %d\n", ret);
1125		return ret;
1126	}
1127
1128	snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
1129	twl6040_init_chip(component);
1130
1131	return 0;
1132}
1133
1134static void twl6040_remove(struct snd_soc_component *component)
1135{
1136	struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
1137
1138	free_irq(priv->plug_irq, component);
1139}
1140
1141static const struct snd_soc_component_driver soc_component_dev_twl6040 = {
1142	.probe			= twl6040_probe,
1143	.remove			= twl6040_remove,
1144	.read			= twl6040_read,
1145	.write			= twl6040_write,
1146	.set_bias_level		= twl6040_set_bias_level,
1147	.controls		= twl6040_snd_controls,
1148	.num_controls		= ARRAY_SIZE(twl6040_snd_controls),
1149	.dapm_widgets		= twl6040_dapm_widgets,
1150	.num_dapm_widgets	= ARRAY_SIZE(twl6040_dapm_widgets),
1151	.dapm_routes		= intercon,
1152	.num_dapm_routes	= ARRAY_SIZE(intercon),
1153	.suspend_bias_off	= 1,
1154	.idle_bias_on		= 1,
1155	.endianness		= 1,
 
1156};
1157
1158static int twl6040_codec_probe(struct platform_device *pdev)
1159{
1160	return devm_snd_soc_register_component(&pdev->dev,
1161				      &soc_component_dev_twl6040,
1162				      twl6040_dai, ARRAY_SIZE(twl6040_dai));
1163}
1164
1165static struct platform_driver twl6040_codec_driver = {
1166	.driver = {
1167		.name = "twl6040-codec",
1168	},
1169	.probe = twl6040_codec_probe,
1170};
1171
1172module_platform_driver(twl6040_codec_driver);
1173
1174MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1175MODULE_AUTHOR("Misael Lopez Cruz");
1176MODULE_LICENSE("GPL");