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v6.13.7
   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * ALSA SoC TWL4030 codec driver
   4 *
   5 * Author:      Steve Sakoman, <steve@sakoman.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/i2c.h>
  14#include <linux/platform_device.h>
  15#include <linux/of.h>
  16#include <linux/of_gpio.h>
  17#include <linux/mfd/twl.h>
  18#include <linux/slab.h>
  19#include <linux/gpio.h>
  20#include <sound/core.h>
  21#include <sound/pcm.h>
  22#include <sound/pcm_params.h>
  23#include <sound/soc.h>
  24#include <sound/initval.h>
  25#include <sound/tlv.h>
  26
  27/* Register descriptions are here */
  28#include <linux/mfd/twl4030-audio.h>
  29
  30/* TWL4030 PMBR1 Register */
  31#define TWL4030_PMBR1_REG		0x0D
  32/* TWL4030 PMBR1 Register GPIO6 mux bits */
  33#define TWL4030_GPIO6_PWM0_MUTE(value)	((value & 0x03) << 2)
  34
  35#define TWL4030_CACHEREGNUM	(TWL4030_REG_MISC_SET_2 + 1)
  36
  37struct twl4030_board_params {
  38	unsigned int digimic_delay; /* in ms */
  39	unsigned int ramp_delay_value;
  40	unsigned int offset_cncl_path;
  41	unsigned int hs_extmute:1;
  42	int hs_extmute_gpio;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  43};
  44
  45/* codec private data */
  46struct twl4030_priv {
 
 
  47	unsigned int codec_powered;
  48
  49	/* reference counts of AIF/APLL users */
  50	unsigned int apll_enabled;
  51
  52	struct snd_pcm_substream *master_substream;
  53	struct snd_pcm_substream *slave_substream;
  54
  55	unsigned int configured;
  56	unsigned int rate;
  57	unsigned int sample_bits;
  58	unsigned int channels;
  59
  60	unsigned int sysclk;
  61
  62	/* Output (with associated amp) states */
  63	u8 hsl_enabled, hsr_enabled;
  64	u8 earpiece_enabled;
  65	u8 predrivel_enabled, predriver_enabled;
  66	u8 carkitl_enabled, carkitr_enabled;
  67	u8 ctl_cache[TWL4030_REG_PRECKR_CTL - TWL4030_REG_EAR_CTL + 1];
  68
  69	struct twl4030_board_params *board_params;
 
  70};
  71
  72static void tw4030_init_ctl_cache(struct twl4030_priv *twl4030)
  73{
  74	int i;
  75	u8 byte;
  76
  77	for (i = TWL4030_REG_EAR_CTL; i <= TWL4030_REG_PRECKR_CTL; i++) {
  78		twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, i);
  79		twl4030->ctl_cache[i - TWL4030_REG_EAR_CTL] = byte;
  80	}
  81}
  82
  83static unsigned int twl4030_read(struct snd_soc_component *component, unsigned int reg)
  84{
  85	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
  86	u8 value = 0;
  87
  88	if (reg >= TWL4030_CACHEREGNUM)
  89		return -EIO;
  90
  91	switch (reg) {
  92	case TWL4030_REG_EAR_CTL:
  93	case TWL4030_REG_PREDL_CTL:
  94	case TWL4030_REG_PREDR_CTL:
  95	case TWL4030_REG_PRECKL_CTL:
  96	case TWL4030_REG_PRECKR_CTL:
  97	case TWL4030_REG_HS_GAIN_SET:
  98		value = twl4030->ctl_cache[reg - TWL4030_REG_EAR_CTL];
  99		break;
 100	default:
 101		twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &value, reg);
 102		break;
 103	}
 104
 105	return value;
 106}
 107
 108static bool twl4030_can_write_to_chip(struct twl4030_priv *twl4030,
 109				      unsigned int reg)
 
 
 
 110{
 111	bool write_to_reg = false;
 112
 113	/* Decide if the given register can be written */
 114	switch (reg) {
 115	case TWL4030_REG_EAR_CTL:
 116		if (twl4030->earpiece_enabled)
 117			write_to_reg = true;
 118		break;
 119	case TWL4030_REG_PREDL_CTL:
 120		if (twl4030->predrivel_enabled)
 121			write_to_reg = true;
 122		break;
 123	case TWL4030_REG_PREDR_CTL:
 124		if (twl4030->predriver_enabled)
 125			write_to_reg = true;
 126		break;
 127	case TWL4030_REG_PRECKL_CTL:
 128		if (twl4030->carkitl_enabled)
 129			write_to_reg = true;
 130		break;
 131	case TWL4030_REG_PRECKR_CTL:
 132		if (twl4030->carkitr_enabled)
 133			write_to_reg = true;
 134		break;
 135	case TWL4030_REG_HS_GAIN_SET:
 136		if (twl4030->hsl_enabled || twl4030->hsr_enabled)
 137			write_to_reg = true;
 138		break;
 139	default:
 140		/* All other register can be written */
 141		write_to_reg = true;
 142		break;
 143	}
 144
 145	return write_to_reg;
 146}
 147
 148static int twl4030_write(struct snd_soc_component *component, unsigned int reg,
 149			 unsigned int value)
 
 
 
 150{
 151	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
 
 152
 153	/* Update the ctl cache */
 154	switch (reg) {
 155	case TWL4030_REG_EAR_CTL:
 156	case TWL4030_REG_PREDL_CTL:
 157	case TWL4030_REG_PREDR_CTL:
 158	case TWL4030_REG_PRECKL_CTL:
 159	case TWL4030_REG_PRECKR_CTL:
 160	case TWL4030_REG_HS_GAIN_SET:
 161		twl4030->ctl_cache[reg - TWL4030_REG_EAR_CTL] = value;
 162		break;
 163	default:
 164		break;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 165	}
 166
 167	if (twl4030_can_write_to_chip(twl4030, reg))
 168		return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg);
 169
 170	return 0;
 171}
 172
 173static inline void twl4030_wait_ms(int time)
 174{
 175	if (time < 60) {
 176		time *= 1000;
 177		usleep_range(time, time + 500);
 178	} else {
 179		msleep(time);
 180	}
 181}
 182
 183static void twl4030_codec_enable(struct snd_soc_component *component, int enable)
 184{
 185	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
 186	int mode;
 187
 188	if (enable == twl4030->codec_powered)
 189		return;
 190
 191	if (enable)
 192		mode = twl4030_audio_enable_resource(TWL4030_AUDIO_RES_POWER);
 193	else
 194		mode = twl4030_audio_disable_resource(TWL4030_AUDIO_RES_POWER);
 195
 196	if (mode >= 0)
 
 197		twl4030->codec_powered = enable;
 
 198
 199	/* REVISIT: this delay is present in TI sample drivers */
 200	/* but there seems to be no TRM requirement for it     */
 201	udelay(10);
 202}
 203
 204static void
 205twl4030_get_board_param_values(struct twl4030_board_params *board_params,
 206			       struct device_node *node)
 207{
 208	int value;
 209
 210	of_property_read_u32(node, "ti,digimic_delay", &board_params->digimic_delay);
 211	of_property_read_u32(node, "ti,ramp_delay_value", &board_params->ramp_delay_value);
 212	of_property_read_u32(node, "ti,offset_cncl_path", &board_params->offset_cncl_path);
 213	if (!of_property_read_u32(node, "ti,hs_extmute", &value))
 214		board_params->hs_extmute = value;
 215
 216	board_params->hs_extmute_gpio = of_get_named_gpio(node, "ti,hs_extmute_gpio", 0);
 217	if (gpio_is_valid(board_params->hs_extmute_gpio))
 218		board_params->hs_extmute = 1;
 219}
 220
 221static struct twl4030_board_params*
 222twl4030_get_board_params(struct snd_soc_component *component)
 223{
 224	struct twl4030_board_params *board_params = NULL;
 225	struct device_node *twl4030_codec_node = NULL;
 226
 227	twl4030_codec_node = of_get_child_by_name(component->dev->parent->of_node,
 228						  "codec");
 229
 230	if (twl4030_codec_node) {
 231		board_params = devm_kzalloc(component->dev,
 232					    sizeof(struct twl4030_board_params),
 233					    GFP_KERNEL);
 234		if (!board_params) {
 235			of_node_put(twl4030_codec_node);
 236			return NULL;
 237		}
 238		twl4030_get_board_param_values(board_params, twl4030_codec_node);
 239		of_node_put(twl4030_codec_node);
 240	}
 241
 242	return board_params;
 243}
 244
 245static void twl4030_init_chip(struct snd_soc_component *component)
 246{
 247	struct twl4030_board_params *board_params;
 248	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
 249	u8 reg, byte;
 250	int i = 0;
 251
 252	board_params = twl4030_get_board_params(component);
 
 
 
 253
 254	if (board_params && board_params->hs_extmute) {
 255		if (gpio_is_valid(board_params->hs_extmute_gpio)) {
 256			int ret;
 257
 258			if (!board_params->hs_extmute_gpio)
 259				dev_warn(component->dev,
 260					"Extmute GPIO is 0 is this correct?\n");
 261
 262			ret = gpio_request_one(board_params->hs_extmute_gpio,
 263					       GPIOF_OUT_INIT_LOW,
 264					       "hs_extmute");
 265			if (ret) {
 266				dev_err(component->dev,
 267					"Failed to get hs_extmute GPIO\n");
 268				board_params->hs_extmute_gpio = -1;
 269			}
 270		} else {
 271			u8 pin_mux;
 272
 273			/* Set TWL4030 GPIO6 as EXTMUTE signal */
 274			twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux,
 275					TWL4030_PMBR1_REG);
 276			pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03);
 277			pin_mux |= TWL4030_GPIO6_PWM0_MUTE(0x02);
 278			twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux,
 279					 TWL4030_PMBR1_REG);
 280		}
 281	}
 282
 283	/* Initialize the local ctl register cache */
 284	tw4030_init_ctl_cache(twl4030);
 
 
 
 
 
 
 
 
 
 
 285
 286	/* anti-pop when changing analog gain */
 287	reg = twl4030_read(component, TWL4030_REG_MISC_SET_1);
 288	twl4030_write(component, TWL4030_REG_MISC_SET_1,
 289		      reg | TWL4030_SMOOTH_ANAVOL_EN);
 290
 291	twl4030_write(component, TWL4030_REG_OPTION,
 292		      TWL4030_ATXL1_EN | TWL4030_ATXR1_EN |
 293		      TWL4030_ARXL2_EN | TWL4030_ARXR2_EN);
 294
 295	/* REG_ARXR2_APGA_CTL reset according to the TRM: 0dB, DA_EN */
 296	twl4030_write(component, TWL4030_REG_ARXR2_APGA_CTL, 0x32);
 297
 298	/* Machine dependent setup */
 299	if (!board_params)
 300		return;
 301
 302	twl4030->board_params = board_params;
 303
 304	reg = twl4030_read(component, TWL4030_REG_HS_POPN_SET);
 305	reg &= ~TWL4030_RAMP_DELAY;
 306	reg |= (board_params->ramp_delay_value << 2);
 307	twl4030_write(component, TWL4030_REG_HS_POPN_SET, reg);
 308
 309	/* initiate offset cancellation */
 310	twl4030_codec_enable(component, 1);
 311
 312	reg = twl4030_read(component, TWL4030_REG_ANAMICL);
 313	reg &= ~TWL4030_OFFSET_CNCL_SEL;
 314	reg |= board_params->offset_cncl_path;
 315	twl4030_write(component, TWL4030_REG_ANAMICL,
 316		      reg | TWL4030_CNCL_OFFSET_START);
 317
 318	/*
 319	 * Wait for offset cancellation to complete.
 320	 * Since this takes a while, do not slam the i2c.
 321	 * Start polling the status after ~20ms.
 322	 */
 323	msleep(20);
 324	do {
 325		usleep_range(1000, 2000);
 326		twl_set_regcache_bypass(TWL4030_MODULE_AUDIO_VOICE, true);
 327		twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte,
 328				TWL4030_REG_ANAMICL);
 329		twl_set_regcache_bypass(TWL4030_MODULE_AUDIO_VOICE, false);
 330	} while ((i++ < 100) &&
 331		 ((byte & TWL4030_CNCL_OFFSET_START) ==
 332		  TWL4030_CNCL_OFFSET_START));
 333
 334	twl4030_codec_enable(component, 0);
 
 
 
 335}
 336
 337static void twl4030_apll_enable(struct snd_soc_component *component, int enable)
 338{
 339	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
 
 340
 341	if (enable) {
 342		twl4030->apll_enabled++;
 343		if (twl4030->apll_enabled == 1)
 344			twl4030_audio_enable_resource(
 345							TWL4030_AUDIO_RES_APLL);
 346	} else {
 347		twl4030->apll_enabled--;
 348		if (!twl4030->apll_enabled)
 349			twl4030_audio_disable_resource(
 350							TWL4030_AUDIO_RES_APLL);
 351	}
 
 
 
 352}
 353
 354/* Earpiece */
 355static const struct snd_kcontrol_new twl4030_dapm_earpiece_controls[] = {
 356	SOC_DAPM_SINGLE("Voice", TWL4030_REG_EAR_CTL, 0, 1, 0),
 357	SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_EAR_CTL, 1, 1, 0),
 358	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_EAR_CTL, 2, 1, 0),
 359	SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_EAR_CTL, 3, 1, 0),
 360};
 361
 362/* PreDrive Left */
 363static const struct snd_kcontrol_new twl4030_dapm_predrivel_controls[] = {
 364	SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDL_CTL, 0, 1, 0),
 365	SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PREDL_CTL, 1, 1, 0),
 366	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDL_CTL, 2, 1, 0),
 367	SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDL_CTL, 3, 1, 0),
 368};
 369
 370/* PreDrive Right */
 371static const struct snd_kcontrol_new twl4030_dapm_predriver_controls[] = {
 372	SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDR_CTL, 0, 1, 0),
 373	SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PREDR_CTL, 1, 1, 0),
 374	SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDR_CTL, 2, 1, 0),
 375	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDR_CTL, 3, 1, 0),
 376};
 377
 378/* Headset Left */
 379static const struct snd_kcontrol_new twl4030_dapm_hsol_controls[] = {
 380	SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 0, 1, 0),
 381	SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_HS_SEL, 1, 1, 0),
 382	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_HS_SEL, 2, 1, 0),
 383};
 384
 385/* Headset Right */
 386static const struct snd_kcontrol_new twl4030_dapm_hsor_controls[] = {
 387	SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 3, 1, 0),
 388	SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_HS_SEL, 4, 1, 0),
 389	SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_HS_SEL, 5, 1, 0),
 390};
 391
 392/* Carkit Left */
 393static const struct snd_kcontrol_new twl4030_dapm_carkitl_controls[] = {
 394	SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKL_CTL, 0, 1, 0),
 395	SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PRECKL_CTL, 1, 1, 0),
 396	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PRECKL_CTL, 2, 1, 0),
 397};
 398
 399/* Carkit Right */
 400static const struct snd_kcontrol_new twl4030_dapm_carkitr_controls[] = {
 401	SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKR_CTL, 0, 1, 0),
 402	SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PRECKR_CTL, 1, 1, 0),
 403	SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PRECKR_CTL, 2, 1, 0),
 404};
 405
 406/* Handsfree Left */
 407static const char *twl4030_handsfreel_texts[] =
 408		{"Voice", "AudioL1", "AudioL2", "AudioR2"};
 409
 410static SOC_ENUM_SINGLE_DECL(twl4030_handsfreel_enum,
 411			    TWL4030_REG_HFL_CTL, 0,
 412			    twl4030_handsfreel_texts);
 
 413
 414static const struct snd_kcontrol_new twl4030_dapm_handsfreel_control =
 415SOC_DAPM_ENUM("Route", twl4030_handsfreel_enum);
 416
 417/* Handsfree Left virtual mute */
 418static const struct snd_kcontrol_new twl4030_dapm_handsfreelmute_control =
 419	SOC_DAPM_SINGLE_VIRT("Switch", 1);
 420
 421/* Handsfree Right */
 422static const char *twl4030_handsfreer_texts[] =
 423		{"Voice", "AudioR1", "AudioR2", "AudioL2"};
 424
 425static SOC_ENUM_SINGLE_DECL(twl4030_handsfreer_enum,
 426			    TWL4030_REG_HFR_CTL, 0,
 427			    twl4030_handsfreer_texts);
 
 428
 429static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control =
 430SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum);
 431
 432/* Handsfree Right virtual mute */
 433static const struct snd_kcontrol_new twl4030_dapm_handsfreermute_control =
 434	SOC_DAPM_SINGLE_VIRT("Switch", 1);
 435
 436/* Vibra */
 437/* Vibra audio path selection */
 438static const char *twl4030_vibra_texts[] =
 439		{"AudioL1", "AudioR1", "AudioL2", "AudioR2"};
 440
 441static SOC_ENUM_SINGLE_DECL(twl4030_vibra_enum,
 442			    TWL4030_REG_VIBRA_CTL, 2,
 443			    twl4030_vibra_texts);
 
 444
 445static const struct snd_kcontrol_new twl4030_dapm_vibra_control =
 446SOC_DAPM_ENUM("Route", twl4030_vibra_enum);
 447
 448/* Vibra path selection: local vibrator (PWM) or audio driven */
 449static const char *twl4030_vibrapath_texts[] =
 450		{"Local vibrator", "Audio"};
 451
 452static SOC_ENUM_SINGLE_DECL(twl4030_vibrapath_enum,
 453			    TWL4030_REG_VIBRA_CTL, 4,
 454			    twl4030_vibrapath_texts);
 
 455
 456static const struct snd_kcontrol_new twl4030_dapm_vibrapath_control =
 457SOC_DAPM_ENUM("Route", twl4030_vibrapath_enum);
 458
 459/* Left analog microphone selection */
 460static const struct snd_kcontrol_new twl4030_dapm_analoglmic_controls[] = {
 461	SOC_DAPM_SINGLE("Main Mic Capture Switch",
 462			TWL4030_REG_ANAMICL, 0, 1, 0),
 463	SOC_DAPM_SINGLE("Headset Mic Capture Switch",
 464			TWL4030_REG_ANAMICL, 1, 1, 0),
 465	SOC_DAPM_SINGLE("AUXL Capture Switch",
 466			TWL4030_REG_ANAMICL, 2, 1, 0),
 467	SOC_DAPM_SINGLE("Carkit Mic Capture Switch",
 468			TWL4030_REG_ANAMICL, 3, 1, 0),
 469};
 470
 471/* Right analog microphone selection */
 472static const struct snd_kcontrol_new twl4030_dapm_analogrmic_controls[] = {
 473	SOC_DAPM_SINGLE("Sub Mic Capture Switch", TWL4030_REG_ANAMICR, 0, 1, 0),
 474	SOC_DAPM_SINGLE("AUXR Capture Switch", TWL4030_REG_ANAMICR, 2, 1, 0),
 475};
 476
 477/* TX1 L/R Analog/Digital microphone selection */
 478static const char *twl4030_micpathtx1_texts[] =
 479		{"Analog", "Digimic0"};
 480
 481static SOC_ENUM_SINGLE_DECL(twl4030_micpathtx1_enum,
 482			    TWL4030_REG_ADCMICSEL, 0,
 483			    twl4030_micpathtx1_texts);
 
 484
 485static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control =
 486SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum);
 487
 488/* TX2 L/R Analog/Digital microphone selection */
 489static const char *twl4030_micpathtx2_texts[] =
 490		{"Analog", "Digimic1"};
 491
 492static SOC_ENUM_SINGLE_DECL(twl4030_micpathtx2_enum,
 493			    TWL4030_REG_ADCMICSEL, 2,
 494			    twl4030_micpathtx2_texts);
 
 495
 496static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control =
 497SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum);
 498
 499/* Analog bypass for AudioR1 */
 500static const struct snd_kcontrol_new twl4030_dapm_abypassr1_control =
 501	SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR1_APGA_CTL, 2, 1, 0);
 502
 503/* Analog bypass for AudioL1 */
 504static const struct snd_kcontrol_new twl4030_dapm_abypassl1_control =
 505	SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL1_APGA_CTL, 2, 1, 0);
 506
 507/* Analog bypass for AudioR2 */
 508static const struct snd_kcontrol_new twl4030_dapm_abypassr2_control =
 509	SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR2_APGA_CTL, 2, 1, 0);
 510
 511/* Analog bypass for AudioL2 */
 512static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control =
 513	SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL2_APGA_CTL, 2, 1, 0);
 514
 515/* Analog bypass for Voice */
 516static const struct snd_kcontrol_new twl4030_dapm_abypassv_control =
 517	SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL, 2, 1, 0);
 518
 519/* Digital bypass gain, mute instead of -30dB */
 520static const DECLARE_TLV_DB_RANGE(twl4030_dapm_dbypass_tlv,
 
 521	0, 1, TLV_DB_SCALE_ITEM(-3000, 600, 1),
 522	2, 3, TLV_DB_SCALE_ITEM(-2400, 0, 0),
 523	4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0)
 524);
 525
 526/* Digital bypass left (TX1L -> RX2L) */
 527static const struct snd_kcontrol_new twl4030_dapm_dbypassl_control =
 528	SOC_DAPM_SINGLE_TLV("Volume",
 529			TWL4030_REG_ATX2ARXPGA, 3, 7, 0,
 530			twl4030_dapm_dbypass_tlv);
 531
 532/* Digital bypass right (TX1R -> RX2R) */
 533static const struct snd_kcontrol_new twl4030_dapm_dbypassr_control =
 534	SOC_DAPM_SINGLE_TLV("Volume",
 535			TWL4030_REG_ATX2ARXPGA, 0, 7, 0,
 536			twl4030_dapm_dbypass_tlv);
 537
 538/*
 539 * Voice Sidetone GAIN volume control:
 540 * from -51 to -10 dB in 1 dB steps (mute instead of -51 dB)
 541 */
 542static DECLARE_TLV_DB_SCALE(twl4030_dapm_dbypassv_tlv, -5100, 100, 1);
 543
 544/* Digital bypass voice: sidetone (VUL -> VDL)*/
 545static const struct snd_kcontrol_new twl4030_dapm_dbypassv_control =
 546	SOC_DAPM_SINGLE_TLV("Volume",
 547			TWL4030_REG_VSTPGA, 0, 0x29, 0,
 548			twl4030_dapm_dbypassv_tlv);
 549
 550/*
 551 * Output PGA builder:
 552 * Handle the muting and unmuting of the given output (turning off the
 553 * amplifier associated with the output pin)
 554 * On mute bypass the reg_cache and write 0 to the register
 555 * On unmute: restore the register content from the reg_cache
 556 * Outputs handled in this way:  Earpiece, PreDrivL/R, CarkitL/R
 557 */
 558#define TWL4030_OUTPUT_PGA(pin_name, reg)				\
 559static int pin_name##pga_event(struct snd_soc_dapm_widget *w,		\
 560			       struct snd_kcontrol *kcontrol, int event) \
 561{									\
 562	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);	\
 563	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component); \
 564									\
 565	switch (event) {						\
 566	case SND_SOC_DAPM_POST_PMU:					\
 567		twl4030->pin_name##_enabled = 1;			\
 568		twl4030_write(component, reg, twl4030_read(component, reg));	\
 
 569		break;							\
 570	case SND_SOC_DAPM_POST_PMD:					\
 571		twl4030->pin_name##_enabled = 0;			\
 572		twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, 0, reg);	\
 
 573		break;							\
 574	}								\
 575	return 0;							\
 576}
 577
 578TWL4030_OUTPUT_PGA(earpiece, TWL4030_REG_EAR_CTL);
 579TWL4030_OUTPUT_PGA(predrivel, TWL4030_REG_PREDL_CTL);
 580TWL4030_OUTPUT_PGA(predriver, TWL4030_REG_PREDR_CTL);
 581TWL4030_OUTPUT_PGA(carkitl, TWL4030_REG_PRECKL_CTL);
 582TWL4030_OUTPUT_PGA(carkitr, TWL4030_REG_PRECKR_CTL);
 583
 584static void handsfree_ramp(struct snd_soc_component *component, int reg, int ramp)
 585{
 586	unsigned char hs_ctl;
 587
 588	hs_ctl = twl4030_read(component, reg);
 589
 590	if (ramp) {
 591		/* HF ramp-up */
 592		hs_ctl |= TWL4030_HF_CTL_REF_EN;
 593		twl4030_write(component, reg, hs_ctl);
 594		udelay(10);
 595		hs_ctl |= TWL4030_HF_CTL_RAMP_EN;
 596		twl4030_write(component, reg, hs_ctl);
 597		udelay(40);
 598		hs_ctl |= TWL4030_HF_CTL_LOOP_EN;
 599		hs_ctl |= TWL4030_HF_CTL_HB_EN;
 600		twl4030_write(component, reg, hs_ctl);
 601	} else {
 602		/* HF ramp-down */
 603		hs_ctl &= ~TWL4030_HF_CTL_LOOP_EN;
 604		hs_ctl &= ~TWL4030_HF_CTL_HB_EN;
 605		twl4030_write(component, reg, hs_ctl);
 606		hs_ctl &= ~TWL4030_HF_CTL_RAMP_EN;
 607		twl4030_write(component, reg, hs_ctl);
 608		udelay(40);
 609		hs_ctl &= ~TWL4030_HF_CTL_REF_EN;
 610		twl4030_write(component, reg, hs_ctl);
 611	}
 612}
 613
 614static int handsfreelpga_event(struct snd_soc_dapm_widget *w,
 615			       struct snd_kcontrol *kcontrol, int event)
 616{
 617	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 618
 619	switch (event) {
 620	case SND_SOC_DAPM_POST_PMU:
 621		handsfree_ramp(component, TWL4030_REG_HFL_CTL, 1);
 622		break;
 623	case SND_SOC_DAPM_POST_PMD:
 624		handsfree_ramp(component, TWL4030_REG_HFL_CTL, 0);
 625		break;
 626	}
 627	return 0;
 628}
 629
 630static int handsfreerpga_event(struct snd_soc_dapm_widget *w,
 631			       struct snd_kcontrol *kcontrol, int event)
 632{
 633	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 634
 635	switch (event) {
 636	case SND_SOC_DAPM_POST_PMU:
 637		handsfree_ramp(component, TWL4030_REG_HFR_CTL, 1);
 638		break;
 639	case SND_SOC_DAPM_POST_PMD:
 640		handsfree_ramp(component, TWL4030_REG_HFR_CTL, 0);
 641		break;
 642	}
 643	return 0;
 644}
 645
 646static int vibramux_event(struct snd_soc_dapm_widget *w,
 647			  struct snd_kcontrol *kcontrol, int event)
 648{
 649	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 650
 651	twl4030_write(component, TWL4030_REG_VIBRA_SET, 0xff);
 652	return 0;
 653}
 654
 655static int apll_event(struct snd_soc_dapm_widget *w,
 656		      struct snd_kcontrol *kcontrol, int event)
 657{
 658	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 659
 660	switch (event) {
 661	case SND_SOC_DAPM_PRE_PMU:
 662		twl4030_apll_enable(component, 1);
 663		break;
 664	case SND_SOC_DAPM_POST_PMD:
 665		twl4030_apll_enable(component, 0);
 666		break;
 667	}
 668	return 0;
 669}
 670
 671static int aif_event(struct snd_soc_dapm_widget *w,
 672		     struct snd_kcontrol *kcontrol, int event)
 673{
 674	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 675	u8 audio_if;
 676
 677	audio_if = twl4030_read(component, TWL4030_REG_AUDIO_IF);
 678	switch (event) {
 679	case SND_SOC_DAPM_PRE_PMU:
 680		/* Enable AIF */
 681		/* enable the PLL before we use it to clock the DAI */
 682		twl4030_apll_enable(component, 1);
 683
 684		twl4030_write(component, TWL4030_REG_AUDIO_IF,
 685			      audio_if | TWL4030_AIF_EN);
 686		break;
 687	case SND_SOC_DAPM_POST_PMD:
 688		/* disable the DAI before we stop it's source PLL */
 689		twl4030_write(component, TWL4030_REG_AUDIO_IF,
 690			      audio_if &  ~TWL4030_AIF_EN);
 691		twl4030_apll_enable(component, 0);
 692		break;
 693	}
 694	return 0;
 695}
 696
 697static void headset_ramp(struct snd_soc_component *component, int ramp)
 698{
 
 699	unsigned char hs_gain, hs_pop;
 700	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
 701	struct twl4030_board_params *board_params = twl4030->board_params;
 702	/* Base values for ramp delay calculation: 2^19 - 2^26 */
 703	static const unsigned int ramp_base[] = {
 704		524288, 1048576, 2097152, 4194304,
 705		8388608, 16777216, 33554432, 67108864
 706	};
 707	unsigned int delay;
 708
 709	hs_gain = twl4030_read(component, TWL4030_REG_HS_GAIN_SET);
 710	hs_pop = twl4030_read(component, TWL4030_REG_HS_POPN_SET);
 711	delay = (ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] /
 712		twl4030->sysclk) + 1;
 713
 714	/* Enable external mute control, this dramatically reduces
 715	 * the pop-noise */
 716	if (board_params && board_params->hs_extmute) {
 717		if (gpio_is_valid(board_params->hs_extmute_gpio)) {
 718			gpio_set_value(board_params->hs_extmute_gpio, 1);
 719		} else {
 720			hs_pop |= TWL4030_EXTMUTE;
 721			twl4030_write(component, TWL4030_REG_HS_POPN_SET, hs_pop);
 722		}
 723	}
 724
 725	if (ramp) {
 726		/* Headset ramp-up according to the TRM */
 727		hs_pop |= TWL4030_VMID_EN;
 728		twl4030_write(component, TWL4030_REG_HS_POPN_SET, hs_pop);
 729		/* Actually write to the register */
 730		twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, hs_gain,
 731				 TWL4030_REG_HS_GAIN_SET);
 
 732		hs_pop |= TWL4030_RAMP_EN;
 733		twl4030_write(component, TWL4030_REG_HS_POPN_SET, hs_pop);
 734		/* Wait ramp delay time + 1, so the VMID can settle */
 735		twl4030_wait_ms(delay);
 736	} else {
 737		/* Headset ramp-down _not_ according to
 738		 * the TRM, but in a way that it is working */
 739		hs_pop &= ~TWL4030_RAMP_EN;
 740		twl4030_write(component, TWL4030_REG_HS_POPN_SET, hs_pop);
 741		/* Wait ramp delay time + 1, so the VMID can settle */
 742		twl4030_wait_ms(delay);
 743		/* Bypass the reg_cache to mute the headset */
 744		twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, hs_gain & (~0x0f),
 745				 TWL4030_REG_HS_GAIN_SET);
 
 746
 747		hs_pop &= ~TWL4030_VMID_EN;
 748		twl4030_write(component, TWL4030_REG_HS_POPN_SET, hs_pop);
 749	}
 750
 751	/* Disable external mute */
 752	if (board_params && board_params->hs_extmute) {
 753		if (gpio_is_valid(board_params->hs_extmute_gpio)) {
 754			gpio_set_value(board_params->hs_extmute_gpio, 0);
 755		} else {
 756			hs_pop &= ~TWL4030_EXTMUTE;
 757			twl4030_write(component, TWL4030_REG_HS_POPN_SET, hs_pop);
 758		}
 759	}
 760}
 761
 762static int headsetlpga_event(struct snd_soc_dapm_widget *w,
 763			     struct snd_kcontrol *kcontrol, int event)
 764{
 765	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 766	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
 767
 768	switch (event) {
 769	case SND_SOC_DAPM_POST_PMU:
 770		/* Do the ramp-up only once */
 771		if (!twl4030->hsr_enabled)
 772			headset_ramp(component, 1);
 773
 774		twl4030->hsl_enabled = 1;
 775		break;
 776	case SND_SOC_DAPM_POST_PMD:
 777		/* Do the ramp-down only if both headsetL/R is disabled */
 778		if (!twl4030->hsr_enabled)
 779			headset_ramp(component, 0);
 780
 781		twl4030->hsl_enabled = 0;
 782		break;
 783	}
 784	return 0;
 785}
 786
 787static int headsetrpga_event(struct snd_soc_dapm_widget *w,
 788			     struct snd_kcontrol *kcontrol, int event)
 789{
 790	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 791	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
 792
 793	switch (event) {
 794	case SND_SOC_DAPM_POST_PMU:
 795		/* Do the ramp-up only once */
 796		if (!twl4030->hsl_enabled)
 797			headset_ramp(component, 1);
 798
 799		twl4030->hsr_enabled = 1;
 800		break;
 801	case SND_SOC_DAPM_POST_PMD:
 802		/* Do the ramp-down only if both headsetL/R is disabled */
 803		if (!twl4030->hsl_enabled)
 804			headset_ramp(component, 0);
 805
 806		twl4030->hsr_enabled = 0;
 807		break;
 808	}
 809	return 0;
 810}
 811
 812static int digimic_event(struct snd_soc_dapm_widget *w,
 813			 struct snd_kcontrol *kcontrol, int event)
 814{
 815	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 816	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
 817	struct twl4030_board_params *board_params = twl4030->board_params;
 818
 819	if (board_params && board_params->digimic_delay)
 820		twl4030_wait_ms(board_params->digimic_delay);
 821	return 0;
 822}
 823
 824/*
 825 * Some of the gain controls in TWL (mostly those which are associated with
 826 * the outputs) are implemented in an interesting way:
 827 * 0x0 : Power down (mute)
 828 * 0x1 : 6dB
 829 * 0x2 : 0 dB
 830 * 0x3 : -6 dB
 831 * Inverting not going to help with these.
 832 * Custom volsw and volsw_2r get/put functions to handle these gain bits.
 833 */
 834static int snd_soc_get_volsw_twl4030(struct snd_kcontrol *kcontrol,
 835				     struct snd_ctl_elem_value *ucontrol)
 836{
 837	struct soc_mixer_control *mc =
 838		(struct soc_mixer_control *)kcontrol->private_value;
 839	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 840	unsigned int reg = mc->reg;
 841	unsigned int shift = mc->shift;
 842	unsigned int rshift = mc->rshift;
 843	int max = mc->max;
 844	int mask = (1 << fls(max)) - 1;
 845
 846	ucontrol->value.integer.value[0] =
 847		(twl4030_read(component, reg) >> shift) & mask;
 848	if (ucontrol->value.integer.value[0])
 849		ucontrol->value.integer.value[0] =
 850			max + 1 - ucontrol->value.integer.value[0];
 851
 852	if (shift != rshift) {
 853		ucontrol->value.integer.value[1] =
 854			(twl4030_read(component, reg) >> rshift) & mask;
 855		if (ucontrol->value.integer.value[1])
 856			ucontrol->value.integer.value[1] =
 857				max + 1 - ucontrol->value.integer.value[1];
 858	}
 859
 860	return 0;
 861}
 862
 863static int snd_soc_put_volsw_twl4030(struct snd_kcontrol *kcontrol,
 864				     struct snd_ctl_elem_value *ucontrol)
 865{
 866	struct soc_mixer_control *mc =
 867		(struct soc_mixer_control *)kcontrol->private_value;
 868	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 869	unsigned int reg = mc->reg;
 870	unsigned int shift = mc->shift;
 871	unsigned int rshift = mc->rshift;
 872	int max = mc->max;
 873	int mask = (1 << fls(max)) - 1;
 874	unsigned short val, val2, val_mask;
 875
 876	val = (ucontrol->value.integer.value[0] & mask);
 877
 878	val_mask = mask << shift;
 879	if (val)
 880		val = max + 1 - val;
 881	val = val << shift;
 882	if (shift != rshift) {
 883		val2 = (ucontrol->value.integer.value[1] & mask);
 884		val_mask |= mask << rshift;
 885		if (val2)
 886			val2 = max + 1 - val2;
 887		val |= val2 << rshift;
 888	}
 889	return snd_soc_component_update_bits(component, reg, val_mask, val);
 890}
 891
 892static int snd_soc_get_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
 893					struct snd_ctl_elem_value *ucontrol)
 894{
 895	struct soc_mixer_control *mc =
 896		(struct soc_mixer_control *)kcontrol->private_value;
 897	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 898	unsigned int reg = mc->reg;
 899	unsigned int reg2 = mc->rreg;
 900	unsigned int shift = mc->shift;
 901	int max = mc->max;
 902	int mask = (1<<fls(max))-1;
 903
 904	ucontrol->value.integer.value[0] =
 905		(twl4030_read(component, reg) >> shift) & mask;
 906	ucontrol->value.integer.value[1] =
 907		(twl4030_read(component, reg2) >> shift) & mask;
 908
 909	if (ucontrol->value.integer.value[0])
 910		ucontrol->value.integer.value[0] =
 911			max + 1 - ucontrol->value.integer.value[0];
 912	if (ucontrol->value.integer.value[1])
 913		ucontrol->value.integer.value[1] =
 914			max + 1 - ucontrol->value.integer.value[1];
 915
 916	return 0;
 917}
 918
 919static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
 920					struct snd_ctl_elem_value *ucontrol)
 921{
 922	struct soc_mixer_control *mc =
 923		(struct soc_mixer_control *)kcontrol->private_value;
 924	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 925	unsigned int reg = mc->reg;
 926	unsigned int reg2 = mc->rreg;
 927	unsigned int shift = mc->shift;
 928	int max = mc->max;
 929	int mask = (1 << fls(max)) - 1;
 930	int err;
 931	unsigned short val, val2, val_mask;
 932
 933	val_mask = mask << shift;
 934	val = (ucontrol->value.integer.value[0] & mask);
 935	val2 = (ucontrol->value.integer.value[1] & mask);
 936
 937	if (val)
 938		val = max + 1 - val;
 939	if (val2)
 940		val2 = max + 1 - val2;
 941
 942	val = val << shift;
 943	val2 = val2 << shift;
 944
 945	err = snd_soc_component_update_bits(component, reg, val_mask, val);
 946	if (err < 0)
 947		return err;
 948
 949	err = snd_soc_component_update_bits(component, reg2, val_mask, val2);
 950	return err;
 951}
 952
 953/* Codec operation modes */
 954static const char *twl4030_op_modes_texts[] = {
 955	"Option 2 (voice/audio)", "Option 1 (audio)"
 956};
 957
 958static SOC_ENUM_SINGLE_DECL(twl4030_op_modes_enum,
 959			    TWL4030_REG_CODEC_MODE, 0,
 960			    twl4030_op_modes_texts);
 
 961
 962static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol,
 963	struct snd_ctl_elem_value *ucontrol)
 964{
 965	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 966	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
 
 
 
 967
 968	if (twl4030->configured) {
 969		dev_err(component->dev,
 970			"operation mode cannot be changed on-the-fly\n");
 971		return -EBUSY;
 972	}
 973
 974	return snd_soc_put_enum_double(kcontrol, ucontrol);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 975}
 976
 977/*
 978 * FGAIN volume control:
 979 * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB)
 980 */
 981static DECLARE_TLV_DB_SCALE(digital_fine_tlv, -6300, 100, 1);
 982
 983/*
 984 * CGAIN volume control:
 985 * 0 dB to 12 dB in 6 dB steps
 986 * value 2 and 3 means 12 dB
 987 */
 988static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0);
 989
 990/*
 991 * Voice Downlink GAIN volume control:
 992 * from -37 to 12 dB in 1 dB steps (mute instead of -37 dB)
 993 */
 994static DECLARE_TLV_DB_SCALE(digital_voice_downlink_tlv, -3700, 100, 1);
 995
 996/*
 997 * Analog playback gain
 998 * -24 dB to 12 dB in 2 dB steps
 999 */
1000static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0);
1001
1002/*
1003 * Gain controls tied to outputs
1004 * -6 dB to 6 dB in 6 dB steps (mute instead of -12)
1005 */
1006static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1);
1007
1008/*
1009 * Gain control for earpiece amplifier
1010 * 0 dB to 12 dB in 6 dB steps (mute instead of -6)
1011 */
1012static DECLARE_TLV_DB_SCALE(output_ear_tvl, -600, 600, 1);
1013
1014/*
1015 * Capture gain after the ADCs
1016 * from 0 dB to 31 dB in 1 dB steps
1017 */
1018static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0);
1019
1020/*
1021 * Gain control for input amplifiers
1022 * 0 dB to 30 dB in 6 dB steps
1023 */
1024static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0);
1025
1026/* AVADC clock priority */
1027static const char *twl4030_avadc_clk_priority_texts[] = {
1028	"Voice high priority", "HiFi high priority"
1029};
1030
1031static SOC_ENUM_SINGLE_DECL(twl4030_avadc_clk_priority_enum,
1032			    TWL4030_REG_AVADC_CTL, 2,
1033			    twl4030_avadc_clk_priority_texts);
 
1034
1035static const char *twl4030_rampdelay_texts[] = {
1036	"27/20/14 ms", "55/40/27 ms", "109/81/55 ms", "218/161/109 ms",
1037	"437/323/218 ms", "874/645/437 ms", "1748/1291/874 ms",
1038	"3495/2581/1748 ms"
1039};
1040
1041static SOC_ENUM_SINGLE_DECL(twl4030_rampdelay_enum,
1042			    TWL4030_REG_HS_POPN_SET, 2,
1043			    twl4030_rampdelay_texts);
 
1044
1045/* Vibra H-bridge direction mode */
1046static const char *twl4030_vibradirmode_texts[] = {
1047	"Vibra H-bridge direction", "Audio data MSB",
1048};
1049
1050static SOC_ENUM_SINGLE_DECL(twl4030_vibradirmode_enum,
1051			    TWL4030_REG_VIBRA_CTL, 5,
1052			    twl4030_vibradirmode_texts);
 
1053
1054/* Vibra H-bridge direction */
1055static const char *twl4030_vibradir_texts[] = {
1056	"Positive polarity", "Negative polarity",
1057};
1058
1059static SOC_ENUM_SINGLE_DECL(twl4030_vibradir_enum,
1060			    TWL4030_REG_VIBRA_CTL, 1,
1061			    twl4030_vibradir_texts);
 
1062
1063/* Digimic Left and right swapping */
1064static const char *twl4030_digimicswap_texts[] = {
1065	"Not swapped", "Swapped",
1066};
1067
1068static SOC_ENUM_SINGLE_DECL(twl4030_digimicswap_enum,
1069			    TWL4030_REG_MISC_SET_1, 0,
1070			    twl4030_digimicswap_texts);
 
1071
1072static const struct snd_kcontrol_new twl4030_snd_controls[] = {
1073	/* Codec operation mode control */
1074	SOC_ENUM_EXT("Codec Operation Mode", twl4030_op_modes_enum,
1075		snd_soc_get_enum_double,
1076		snd_soc_put_twl4030_opmode_enum_double),
1077
1078	/* Common playback gain controls */
1079	SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume",
1080		TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA,
1081		0, 0x3f, 0, digital_fine_tlv),
1082	SOC_DOUBLE_R_TLV("DAC2 Digital Fine Playback Volume",
1083		TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,
1084		0, 0x3f, 0, digital_fine_tlv),
1085
1086	SOC_DOUBLE_R_TLV("DAC1 Digital Coarse Playback Volume",
1087		TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA,
1088		6, 0x2, 0, digital_coarse_tlv),
1089	SOC_DOUBLE_R_TLV("DAC2 Digital Coarse Playback Volume",
1090		TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,
1091		6, 0x2, 0, digital_coarse_tlv),
1092
1093	SOC_DOUBLE_R_TLV("DAC1 Analog Playback Volume",
1094		TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL,
1095		3, 0x12, 1, analog_tlv),
1096	SOC_DOUBLE_R_TLV("DAC2 Analog Playback Volume",
1097		TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
1098		3, 0x12, 1, analog_tlv),
1099	SOC_DOUBLE_R("DAC1 Analog Playback Switch",
1100		TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL,
1101		1, 1, 0),
1102	SOC_DOUBLE_R("DAC2 Analog Playback Switch",
1103		TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
1104		1, 1, 0),
1105
1106	/* Common voice downlink gain controls */
1107	SOC_SINGLE_TLV("DAC Voice Digital Downlink Volume",
1108		TWL4030_REG_VRXPGA, 0, 0x31, 0, digital_voice_downlink_tlv),
1109
1110	SOC_SINGLE_TLV("DAC Voice Analog Downlink Volume",
1111		TWL4030_REG_VDL_APGA_CTL, 3, 0x12, 1, analog_tlv),
1112
1113	SOC_SINGLE("DAC Voice Analog Downlink Switch",
1114		TWL4030_REG_VDL_APGA_CTL, 1, 1, 0),
1115
1116	/* Separate output gain controls */
1117	SOC_DOUBLE_R_EXT_TLV("PreDriv Playback Volume",
1118		TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL,
1119		4, 3, 0, snd_soc_get_volsw_r2_twl4030,
1120		snd_soc_put_volsw_r2_twl4030, output_tvl),
1121
1122	SOC_DOUBLE_EXT_TLV("Headset Playback Volume",
1123		TWL4030_REG_HS_GAIN_SET, 0, 2, 3, 0, snd_soc_get_volsw_twl4030,
1124		snd_soc_put_volsw_twl4030, output_tvl),
1125
1126	SOC_DOUBLE_R_EXT_TLV("Carkit Playback Volume",
1127		TWL4030_REG_PRECKL_CTL, TWL4030_REG_PRECKR_CTL,
1128		4, 3, 0, snd_soc_get_volsw_r2_twl4030,
1129		snd_soc_put_volsw_r2_twl4030, output_tvl),
1130
1131	SOC_SINGLE_EXT_TLV("Earpiece Playback Volume",
1132		TWL4030_REG_EAR_CTL, 4, 3, 0, snd_soc_get_volsw_twl4030,
1133		snd_soc_put_volsw_twl4030, output_ear_tvl),
1134
1135	/* Common capture gain controls */
1136	SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume",
1137		TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA,
1138		0, 0x1f, 0, digital_capture_tlv),
1139	SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume",
1140		TWL4030_REG_AVTXL2PGA, TWL4030_REG_AVTXR2PGA,
1141		0, 0x1f, 0, digital_capture_tlv),
1142
1143	SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN,
1144		0, 3, 5, 0, input_gain_tlv),
1145
1146	SOC_ENUM("AVADC Clock Priority", twl4030_avadc_clk_priority_enum),
1147
1148	SOC_ENUM("HS ramp delay", twl4030_rampdelay_enum),
1149
1150	SOC_ENUM("Vibra H-bridge mode", twl4030_vibradirmode_enum),
1151	SOC_ENUM("Vibra H-bridge direction", twl4030_vibradir_enum),
1152
1153	SOC_ENUM("Digimic LR Swap", twl4030_digimicswap_enum),
1154};
1155
1156static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
1157	/* Left channel inputs */
1158	SND_SOC_DAPM_INPUT("MAINMIC"),
1159	SND_SOC_DAPM_INPUT("HSMIC"),
1160	SND_SOC_DAPM_INPUT("AUXL"),
1161	SND_SOC_DAPM_INPUT("CARKITMIC"),
1162	/* Right channel inputs */
1163	SND_SOC_DAPM_INPUT("SUBMIC"),
1164	SND_SOC_DAPM_INPUT("AUXR"),
1165	/* Digital microphones (Stereo) */
1166	SND_SOC_DAPM_INPUT("DIGIMIC0"),
1167	SND_SOC_DAPM_INPUT("DIGIMIC1"),
1168
1169	/* Outputs */
1170	SND_SOC_DAPM_OUTPUT("EARPIECE"),
1171	SND_SOC_DAPM_OUTPUT("PREDRIVEL"),
1172	SND_SOC_DAPM_OUTPUT("PREDRIVER"),
1173	SND_SOC_DAPM_OUTPUT("HSOL"),
1174	SND_SOC_DAPM_OUTPUT("HSOR"),
1175	SND_SOC_DAPM_OUTPUT("CARKITL"),
1176	SND_SOC_DAPM_OUTPUT("CARKITR"),
1177	SND_SOC_DAPM_OUTPUT("HFL"),
1178	SND_SOC_DAPM_OUTPUT("HFR"),
1179	SND_SOC_DAPM_OUTPUT("VIBRA"),
1180
1181	/* AIF and APLL clocks for running DAIs (including loopback) */
1182	SND_SOC_DAPM_OUTPUT("Virtual HiFi OUT"),
1183	SND_SOC_DAPM_INPUT("Virtual HiFi IN"),
1184	SND_SOC_DAPM_OUTPUT("Virtual Voice OUT"),
1185
1186	/* DACs */
1187	SND_SOC_DAPM_DAC("DAC Right1", NULL, SND_SOC_NOPM, 0, 0),
1188	SND_SOC_DAPM_DAC("DAC Left1", NULL, SND_SOC_NOPM, 0, 0),
1189	SND_SOC_DAPM_DAC("DAC Right2", NULL, SND_SOC_NOPM, 0, 0),
1190	SND_SOC_DAPM_DAC("DAC Left2", NULL, SND_SOC_NOPM, 0, 0),
1191	SND_SOC_DAPM_DAC("DAC Voice", NULL, SND_SOC_NOPM, 0, 0),
1192
1193	SND_SOC_DAPM_AIF_IN("VAIFIN", "Voice Playback", 0,
1194			    TWL4030_REG_VOICE_IF, 6, 0),
 
 
1195
1196	/* Analog bypasses */
1197	SND_SOC_DAPM_SWITCH("Right1 Analog Loopback", SND_SOC_NOPM, 0, 0,
1198			&twl4030_dapm_abypassr1_control),
1199	SND_SOC_DAPM_SWITCH("Left1 Analog Loopback", SND_SOC_NOPM, 0, 0,
1200			&twl4030_dapm_abypassl1_control),
1201	SND_SOC_DAPM_SWITCH("Right2 Analog Loopback", SND_SOC_NOPM, 0, 0,
1202			&twl4030_dapm_abypassr2_control),
1203	SND_SOC_DAPM_SWITCH("Left2 Analog Loopback", SND_SOC_NOPM, 0, 0,
1204			&twl4030_dapm_abypassl2_control),
1205	SND_SOC_DAPM_SWITCH("Voice Analog Loopback", SND_SOC_NOPM, 0, 0,
1206			&twl4030_dapm_abypassv_control),
1207
1208	/* Master analog loopback switch */
1209	SND_SOC_DAPM_SUPPLY("FM Loop Enable", TWL4030_REG_MISC_SET_1, 5, 0,
1210			    NULL, 0),
1211
1212	/* Digital bypasses */
1213	SND_SOC_DAPM_SWITCH("Left Digital Loopback", SND_SOC_NOPM, 0, 0,
1214			&twl4030_dapm_dbypassl_control),
1215	SND_SOC_DAPM_SWITCH("Right Digital Loopback", SND_SOC_NOPM, 0, 0,
1216			&twl4030_dapm_dbypassr_control),
1217	SND_SOC_DAPM_SWITCH("Voice Digital Loopback", SND_SOC_NOPM, 0, 0,
1218			&twl4030_dapm_dbypassv_control),
1219
1220	/* Digital mixers, power control for the physical DACs */
1221	SND_SOC_DAPM_MIXER("Digital R1 Playback Mixer",
1222			TWL4030_REG_AVDAC_CTL, 0, 0, NULL, 0),
1223	SND_SOC_DAPM_MIXER("Digital L1 Playback Mixer",
1224			TWL4030_REG_AVDAC_CTL, 1, 0, NULL, 0),
1225	SND_SOC_DAPM_MIXER("Digital R2 Playback Mixer",
1226			TWL4030_REG_AVDAC_CTL, 2, 0, NULL, 0),
1227	SND_SOC_DAPM_MIXER("Digital L2 Playback Mixer",
1228			TWL4030_REG_AVDAC_CTL, 3, 0, NULL, 0),
1229	SND_SOC_DAPM_MIXER("Digital Voice Playback Mixer",
1230			TWL4030_REG_AVDAC_CTL, 4, 0, NULL, 0),
1231
1232	/* Analog mixers, power control for the physical PGAs */
1233	SND_SOC_DAPM_MIXER("Analog R1 Playback Mixer",
1234			TWL4030_REG_ARXR1_APGA_CTL, 0, 0, NULL, 0),
1235	SND_SOC_DAPM_MIXER("Analog L1 Playback Mixer",
1236			TWL4030_REG_ARXL1_APGA_CTL, 0, 0, NULL, 0),
1237	SND_SOC_DAPM_MIXER("Analog R2 Playback Mixer",
1238			TWL4030_REG_ARXR2_APGA_CTL, 0, 0, NULL, 0),
1239	SND_SOC_DAPM_MIXER("Analog L2 Playback Mixer",
1240			TWL4030_REG_ARXL2_APGA_CTL, 0, 0, NULL, 0),
1241	SND_SOC_DAPM_MIXER("Analog Voice Playback Mixer",
1242			TWL4030_REG_VDL_APGA_CTL, 0, 0, NULL, 0),
1243
1244	SND_SOC_DAPM_SUPPLY("APLL Enable", SND_SOC_NOPM, 0, 0, apll_event,
1245			    SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD),
1246
1247	SND_SOC_DAPM_SUPPLY("AIF Enable", SND_SOC_NOPM, 0, 0, aif_event,
1248			    SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD),
1249
1250	/* Output MIXER controls */
1251	/* Earpiece */
1252	SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
1253			&twl4030_dapm_earpiece_controls[0],
1254			ARRAY_SIZE(twl4030_dapm_earpiece_controls)),
1255	SND_SOC_DAPM_PGA_E("Earpiece PGA", SND_SOC_NOPM,
1256			0, 0, NULL, 0, earpiecepga_event,
1257			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1258	/* PreDrivL/R */
1259	SND_SOC_DAPM_MIXER("PredriveL Mixer", SND_SOC_NOPM, 0, 0,
1260			&twl4030_dapm_predrivel_controls[0],
1261			ARRAY_SIZE(twl4030_dapm_predrivel_controls)),
1262	SND_SOC_DAPM_PGA_E("PredriveL PGA", SND_SOC_NOPM,
1263			0, 0, NULL, 0, predrivelpga_event,
1264			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1265	SND_SOC_DAPM_MIXER("PredriveR Mixer", SND_SOC_NOPM, 0, 0,
1266			&twl4030_dapm_predriver_controls[0],
1267			ARRAY_SIZE(twl4030_dapm_predriver_controls)),
1268	SND_SOC_DAPM_PGA_E("PredriveR PGA", SND_SOC_NOPM,
1269			0, 0, NULL, 0, predriverpga_event,
1270			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1271	/* HeadsetL/R */
1272	SND_SOC_DAPM_MIXER("HeadsetL Mixer", SND_SOC_NOPM, 0, 0,
1273			&twl4030_dapm_hsol_controls[0],
1274			ARRAY_SIZE(twl4030_dapm_hsol_controls)),
1275	SND_SOC_DAPM_PGA_E("HeadsetL PGA", SND_SOC_NOPM,
1276			0, 0, NULL, 0, headsetlpga_event,
1277			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1278	SND_SOC_DAPM_MIXER("HeadsetR Mixer", SND_SOC_NOPM, 0, 0,
1279			&twl4030_dapm_hsor_controls[0],
1280			ARRAY_SIZE(twl4030_dapm_hsor_controls)),
1281	SND_SOC_DAPM_PGA_E("HeadsetR PGA", SND_SOC_NOPM,
1282			0, 0, NULL, 0, headsetrpga_event,
1283			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1284	/* CarkitL/R */
1285	SND_SOC_DAPM_MIXER("CarkitL Mixer", SND_SOC_NOPM, 0, 0,
1286			&twl4030_dapm_carkitl_controls[0],
1287			ARRAY_SIZE(twl4030_dapm_carkitl_controls)),
1288	SND_SOC_DAPM_PGA_E("CarkitL PGA", SND_SOC_NOPM,
1289			0, 0, NULL, 0, carkitlpga_event,
1290			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1291	SND_SOC_DAPM_MIXER("CarkitR Mixer", SND_SOC_NOPM, 0, 0,
1292			&twl4030_dapm_carkitr_controls[0],
1293			ARRAY_SIZE(twl4030_dapm_carkitr_controls)),
1294	SND_SOC_DAPM_PGA_E("CarkitR PGA", SND_SOC_NOPM,
1295			0, 0, NULL, 0, carkitrpga_event,
1296			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1297
1298	/* Output MUX controls */
1299	/* HandsfreeL/R */
1300	SND_SOC_DAPM_MUX("HandsfreeL Mux", SND_SOC_NOPM, 0, 0,
1301		&twl4030_dapm_handsfreel_control),
1302	SND_SOC_DAPM_SWITCH("HandsfreeL", SND_SOC_NOPM, 0, 0,
1303			&twl4030_dapm_handsfreelmute_control),
1304	SND_SOC_DAPM_PGA_E("HandsfreeL PGA", SND_SOC_NOPM,
1305			0, 0, NULL, 0, handsfreelpga_event,
1306			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1307	SND_SOC_DAPM_MUX("HandsfreeR Mux", SND_SOC_NOPM, 5, 0,
1308		&twl4030_dapm_handsfreer_control),
1309	SND_SOC_DAPM_SWITCH("HandsfreeR", SND_SOC_NOPM, 0, 0,
1310			&twl4030_dapm_handsfreermute_control),
1311	SND_SOC_DAPM_PGA_E("HandsfreeR PGA", SND_SOC_NOPM,
1312			0, 0, NULL, 0, handsfreerpga_event,
1313			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1314	/* Vibra */
1315	SND_SOC_DAPM_MUX_E("Vibra Mux", TWL4030_REG_VIBRA_CTL, 0, 0,
1316			   &twl4030_dapm_vibra_control, vibramux_event,
1317			   SND_SOC_DAPM_PRE_PMU),
1318	SND_SOC_DAPM_MUX("Vibra Route", SND_SOC_NOPM, 0, 0,
1319		&twl4030_dapm_vibrapath_control),
1320
1321	/* Introducing four virtual ADC, since TWL4030 have four channel for
1322	   capture */
1323	SND_SOC_DAPM_ADC("ADC Virtual Left1", NULL, SND_SOC_NOPM, 0, 0),
1324	SND_SOC_DAPM_ADC("ADC Virtual Right1", NULL, SND_SOC_NOPM, 0, 0),
1325	SND_SOC_DAPM_ADC("ADC Virtual Left2", NULL, SND_SOC_NOPM, 0, 0),
1326	SND_SOC_DAPM_ADC("ADC Virtual Right2", NULL, SND_SOC_NOPM, 0, 0),
1327
1328	SND_SOC_DAPM_AIF_OUT("VAIFOUT", "Voice Capture", 0,
1329			     TWL4030_REG_VOICE_IF, 5, 0),
 
1330
1331	/* Analog/Digital mic path selection.
1332	   TX1 Left/Right: either analog Left/Right or Digimic0
1333	   TX2 Left/Right: either analog Left/Right or Digimic1 */
1334	SND_SOC_DAPM_MUX("TX1 Capture Route", SND_SOC_NOPM, 0, 0,
1335		&twl4030_dapm_micpathtx1_control),
1336	SND_SOC_DAPM_MUX("TX2 Capture Route", SND_SOC_NOPM, 0, 0,
1337		&twl4030_dapm_micpathtx2_control),
1338
1339	/* Analog input mixers for the capture amplifiers */
1340	SND_SOC_DAPM_MIXER("Analog Left",
1341		TWL4030_REG_ANAMICL, 4, 0,
1342		&twl4030_dapm_analoglmic_controls[0],
1343		ARRAY_SIZE(twl4030_dapm_analoglmic_controls)),
1344	SND_SOC_DAPM_MIXER("Analog Right",
1345		TWL4030_REG_ANAMICR, 4, 0,
1346		&twl4030_dapm_analogrmic_controls[0],
1347		ARRAY_SIZE(twl4030_dapm_analogrmic_controls)),
1348
1349	SND_SOC_DAPM_PGA("ADC Physical Left",
1350		TWL4030_REG_AVADC_CTL, 3, 0, NULL, 0),
1351	SND_SOC_DAPM_PGA("ADC Physical Right",
1352		TWL4030_REG_AVADC_CTL, 1, 0, NULL, 0),
1353
1354	SND_SOC_DAPM_PGA_E("Digimic0 Enable",
1355		TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0,
1356		digimic_event, SND_SOC_DAPM_POST_PMU),
1357	SND_SOC_DAPM_PGA_E("Digimic1 Enable",
1358		TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0,
1359		digimic_event, SND_SOC_DAPM_POST_PMU),
1360
1361	SND_SOC_DAPM_SUPPLY("micbias1 select", TWL4030_REG_MICBIAS_CTL, 5, 0,
1362			    NULL, 0),
1363	SND_SOC_DAPM_SUPPLY("micbias2 select", TWL4030_REG_MICBIAS_CTL, 6, 0,
1364			    NULL, 0),
1365
1366	/* Microphone bias */
1367	SND_SOC_DAPM_SUPPLY("Mic Bias 1",
1368			    TWL4030_REG_MICBIAS_CTL, 0, 0, NULL, 0),
1369	SND_SOC_DAPM_SUPPLY("Mic Bias 2",
1370			    TWL4030_REG_MICBIAS_CTL, 1, 0, NULL, 0),
1371	SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
1372			    TWL4030_REG_MICBIAS_CTL, 2, 0, NULL, 0),
1373
1374	SND_SOC_DAPM_SUPPLY("VIF Enable", TWL4030_REG_VOICE_IF, 0, 0, NULL, 0),
1375};
1376
1377static const struct snd_soc_dapm_route intercon[] = {
1378	/* Stream -> DAC mapping */
1379	{"DAC Right1", NULL, "HiFi Playback"},
1380	{"DAC Left1", NULL, "HiFi Playback"},
1381	{"DAC Right2", NULL, "HiFi Playback"},
1382	{"DAC Left2", NULL, "HiFi Playback"},
1383	{"DAC Voice", NULL, "VAIFIN"},
1384
1385	/* ADC -> Stream mapping */
1386	{"HiFi Capture", NULL, "ADC Virtual Left1"},
1387	{"HiFi Capture", NULL, "ADC Virtual Right1"},
1388	{"HiFi Capture", NULL, "ADC Virtual Left2"},
1389	{"HiFi Capture", NULL, "ADC Virtual Right2"},
1390	{"VAIFOUT", NULL, "ADC Virtual Left2"},
1391	{"VAIFOUT", NULL, "ADC Virtual Right2"},
1392	{"VAIFOUT", NULL, "VIF Enable"},
1393
1394	{"Digital L1 Playback Mixer", NULL, "DAC Left1"},
1395	{"Digital R1 Playback Mixer", NULL, "DAC Right1"},
1396	{"Digital L2 Playback Mixer", NULL, "DAC Left2"},
1397	{"Digital R2 Playback Mixer", NULL, "DAC Right2"},
1398	{"Digital Voice Playback Mixer", NULL, "DAC Voice"},
1399
1400	/* Supply for the digital part (APLL) */
1401	{"Digital Voice Playback Mixer", NULL, "APLL Enable"},
1402
1403	{"DAC Left1", NULL, "AIF Enable"},
1404	{"DAC Right1", NULL, "AIF Enable"},
1405	{"DAC Left2", NULL, "AIF Enable"},
1406	{"DAC Right1", NULL, "AIF Enable"},
1407	{"DAC Voice", NULL, "VIF Enable"},
1408
1409	{"Digital R2 Playback Mixer", NULL, "AIF Enable"},
1410	{"Digital L2 Playback Mixer", NULL, "AIF Enable"},
1411
1412	{"Analog L1 Playback Mixer", NULL, "Digital L1 Playback Mixer"},
1413	{"Analog R1 Playback Mixer", NULL, "Digital R1 Playback Mixer"},
1414	{"Analog L2 Playback Mixer", NULL, "Digital L2 Playback Mixer"},
1415	{"Analog R2 Playback Mixer", NULL, "Digital R2 Playback Mixer"},
1416	{"Analog Voice Playback Mixer", NULL, "Digital Voice Playback Mixer"},
1417
1418	/* Internal playback routings */
1419	/* Earpiece */
1420	{"Earpiece Mixer", "Voice", "Analog Voice Playback Mixer"},
1421	{"Earpiece Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1422	{"Earpiece Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1423	{"Earpiece Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1424	{"Earpiece PGA", NULL, "Earpiece Mixer"},
1425	/* PreDrivL */
1426	{"PredriveL Mixer", "Voice", "Analog Voice Playback Mixer"},
1427	{"PredriveL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1428	{"PredriveL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1429	{"PredriveL Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1430	{"PredriveL PGA", NULL, "PredriveL Mixer"},
1431	/* PreDrivR */
1432	{"PredriveR Mixer", "Voice", "Analog Voice Playback Mixer"},
1433	{"PredriveR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1434	{"PredriveR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1435	{"PredriveR Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1436	{"PredriveR PGA", NULL, "PredriveR Mixer"},
1437	/* HeadsetL */
1438	{"HeadsetL Mixer", "Voice", "Analog Voice Playback Mixer"},
1439	{"HeadsetL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1440	{"HeadsetL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1441	{"HeadsetL PGA", NULL, "HeadsetL Mixer"},
1442	/* HeadsetR */
1443	{"HeadsetR Mixer", "Voice", "Analog Voice Playback Mixer"},
1444	{"HeadsetR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1445	{"HeadsetR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1446	{"HeadsetR PGA", NULL, "HeadsetR Mixer"},
1447	/* CarkitL */
1448	{"CarkitL Mixer", "Voice", "Analog Voice Playback Mixer"},
1449	{"CarkitL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1450	{"CarkitL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1451	{"CarkitL PGA", NULL, "CarkitL Mixer"},
1452	/* CarkitR */
1453	{"CarkitR Mixer", "Voice", "Analog Voice Playback Mixer"},
1454	{"CarkitR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1455	{"CarkitR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1456	{"CarkitR PGA", NULL, "CarkitR Mixer"},
1457	/* HandsfreeL */
1458	{"HandsfreeL Mux", "Voice", "Analog Voice Playback Mixer"},
1459	{"HandsfreeL Mux", "AudioL1", "Analog L1 Playback Mixer"},
1460	{"HandsfreeL Mux", "AudioL2", "Analog L2 Playback Mixer"},
1461	{"HandsfreeL Mux", "AudioR2", "Analog R2 Playback Mixer"},
1462	{"HandsfreeL", "Switch", "HandsfreeL Mux"},
1463	{"HandsfreeL PGA", NULL, "HandsfreeL"},
1464	/* HandsfreeR */
1465	{"HandsfreeR Mux", "Voice", "Analog Voice Playback Mixer"},
1466	{"HandsfreeR Mux", "AudioR1", "Analog R1 Playback Mixer"},
1467	{"HandsfreeR Mux", "AudioR2", "Analog R2 Playback Mixer"},
1468	{"HandsfreeR Mux", "AudioL2", "Analog L2 Playback Mixer"},
1469	{"HandsfreeR", "Switch", "HandsfreeR Mux"},
1470	{"HandsfreeR PGA", NULL, "HandsfreeR"},
1471	/* Vibra */
1472	{"Vibra Mux", "AudioL1", "DAC Left1"},
1473	{"Vibra Mux", "AudioR1", "DAC Right1"},
1474	{"Vibra Mux", "AudioL2", "DAC Left2"},
1475	{"Vibra Mux", "AudioR2", "DAC Right2"},
1476
1477	/* outputs */
1478	/* Must be always connected (for AIF and APLL) */
1479	{"Virtual HiFi OUT", NULL, "DAC Left1"},
1480	{"Virtual HiFi OUT", NULL, "DAC Right1"},
1481	{"Virtual HiFi OUT", NULL, "DAC Left2"},
1482	{"Virtual HiFi OUT", NULL, "DAC Right2"},
1483	/* Must be always connected (for APLL) */
1484	{"Virtual Voice OUT", NULL, "Digital Voice Playback Mixer"},
1485	/* Physical outputs */
1486	{"EARPIECE", NULL, "Earpiece PGA"},
1487	{"PREDRIVEL", NULL, "PredriveL PGA"},
1488	{"PREDRIVER", NULL, "PredriveR PGA"},
1489	{"HSOL", NULL, "HeadsetL PGA"},
1490	{"HSOR", NULL, "HeadsetR PGA"},
1491	{"CARKITL", NULL, "CarkitL PGA"},
1492	{"CARKITR", NULL, "CarkitR PGA"},
1493	{"HFL", NULL, "HandsfreeL PGA"},
1494	{"HFR", NULL, "HandsfreeR PGA"},
1495	{"Vibra Route", "Audio", "Vibra Mux"},
1496	{"VIBRA", NULL, "Vibra Route"},
1497
1498	/* Capture path */
1499	/* Must be always connected (for AIF and APLL) */
1500	{"ADC Virtual Left1", NULL, "Virtual HiFi IN"},
1501	{"ADC Virtual Right1", NULL, "Virtual HiFi IN"},
1502	{"ADC Virtual Left2", NULL, "Virtual HiFi IN"},
1503	{"ADC Virtual Right2", NULL, "Virtual HiFi IN"},
1504	/* Physical inputs */
1505	{"Analog Left", "Main Mic Capture Switch", "MAINMIC"},
1506	{"Analog Left", "Headset Mic Capture Switch", "HSMIC"},
1507	{"Analog Left", "AUXL Capture Switch", "AUXL"},
1508	{"Analog Left", "Carkit Mic Capture Switch", "CARKITMIC"},
1509
1510	{"Analog Right", "Sub Mic Capture Switch", "SUBMIC"},
1511	{"Analog Right", "AUXR Capture Switch", "AUXR"},
1512
1513	{"ADC Physical Left", NULL, "Analog Left"},
1514	{"ADC Physical Right", NULL, "Analog Right"},
1515
1516	{"Digimic0 Enable", NULL, "DIGIMIC0"},
1517	{"Digimic1 Enable", NULL, "DIGIMIC1"},
1518
1519	{"DIGIMIC0", NULL, "micbias1 select"},
1520	{"DIGIMIC1", NULL, "micbias2 select"},
1521
1522	/* TX1 Left capture path */
1523	{"TX1 Capture Route", "Analog", "ADC Physical Left"},
1524	{"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
1525	/* TX1 Right capture path */
1526	{"TX1 Capture Route", "Analog", "ADC Physical Right"},
1527	{"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
1528	/* TX2 Left capture path */
1529	{"TX2 Capture Route", "Analog", "ADC Physical Left"},
1530	{"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
1531	/* TX2 Right capture path */
1532	{"TX2 Capture Route", "Analog", "ADC Physical Right"},
1533	{"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
1534
1535	{"ADC Virtual Left1", NULL, "TX1 Capture Route"},
1536	{"ADC Virtual Right1", NULL, "TX1 Capture Route"},
1537	{"ADC Virtual Left2", NULL, "TX2 Capture Route"},
1538	{"ADC Virtual Right2", NULL, "TX2 Capture Route"},
1539
1540	{"ADC Virtual Left1", NULL, "AIF Enable"},
1541	{"ADC Virtual Right1", NULL, "AIF Enable"},
1542	{"ADC Virtual Left2", NULL, "AIF Enable"},
1543	{"ADC Virtual Right2", NULL, "AIF Enable"},
1544
1545	/* Analog bypass routes */
1546	{"Right1 Analog Loopback", "Switch", "Analog Right"},
1547	{"Left1 Analog Loopback", "Switch", "Analog Left"},
1548	{"Right2 Analog Loopback", "Switch", "Analog Right"},
1549	{"Left2 Analog Loopback", "Switch", "Analog Left"},
1550	{"Voice Analog Loopback", "Switch", "Analog Left"},
1551
1552	/* Supply for the Analog loopbacks */
1553	{"Right1 Analog Loopback", NULL, "FM Loop Enable"},
1554	{"Left1 Analog Loopback", NULL, "FM Loop Enable"},
1555	{"Right2 Analog Loopback", NULL, "FM Loop Enable"},
1556	{"Left2 Analog Loopback", NULL, "FM Loop Enable"},
1557	{"Voice Analog Loopback", NULL, "FM Loop Enable"},
1558
1559	{"Analog R1 Playback Mixer", NULL, "Right1 Analog Loopback"},
1560	{"Analog L1 Playback Mixer", NULL, "Left1 Analog Loopback"},
1561	{"Analog R2 Playback Mixer", NULL, "Right2 Analog Loopback"},
1562	{"Analog L2 Playback Mixer", NULL, "Left2 Analog Loopback"},
1563	{"Analog Voice Playback Mixer", NULL, "Voice Analog Loopback"},
1564
1565	/* Digital bypass routes */
1566	{"Right Digital Loopback", "Volume", "TX1 Capture Route"},
1567	{"Left Digital Loopback", "Volume", "TX1 Capture Route"},
1568	{"Voice Digital Loopback", "Volume", "TX2 Capture Route"},
1569
1570	{"Digital R2 Playback Mixer", NULL, "Right Digital Loopback"},
1571	{"Digital L2 Playback Mixer", NULL, "Left Digital Loopback"},
1572	{"Digital Voice Playback Mixer", NULL, "Voice Digital Loopback"},
1573
1574};
1575
1576static int twl4030_set_bias_level(struct snd_soc_component *component,
1577				  enum snd_soc_bias_level level)
1578{
1579	switch (level) {
1580	case SND_SOC_BIAS_ON:
1581		break;
1582	case SND_SOC_BIAS_PREPARE:
1583		break;
1584	case SND_SOC_BIAS_STANDBY:
1585		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
1586			twl4030_codec_enable(component, 1);
1587		break;
1588	case SND_SOC_BIAS_OFF:
1589		twl4030_codec_enable(component, 0);
1590		break;
1591	}
 
1592
1593	return 0;
1594}
1595
1596static void twl4030_constraints(struct twl4030_priv *twl4030,
1597				struct snd_pcm_substream *mst_substream)
1598{
1599	struct snd_pcm_substream *slv_substream;
1600
1601	/* Pick the stream, which need to be constrained */
1602	if (mst_substream == twl4030->master_substream)
1603		slv_substream = twl4030->slave_substream;
1604	else if (mst_substream == twl4030->slave_substream)
1605		slv_substream = twl4030->master_substream;
1606	else /* This should not happen.. */
1607		return;
1608
1609	/* Set the constraints according to the already configured stream */
1610	snd_pcm_hw_constraint_single(slv_substream->runtime,
1611				SNDRV_PCM_HW_PARAM_RATE,
 
1612				twl4030->rate);
1613
1614	snd_pcm_hw_constraint_single(slv_substream->runtime,
1615				SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
 
1616				twl4030->sample_bits);
1617
1618	snd_pcm_hw_constraint_single(slv_substream->runtime,
1619				SNDRV_PCM_HW_PARAM_CHANNELS,
 
1620				twl4030->channels);
1621}
1622
1623/* In case of 4 channel mode, the RX1 L/R for playback and the TX2 L/R for
1624 * capture has to be enabled/disabled. */
1625static void twl4030_tdm_enable(struct snd_soc_component *component, int direction,
1626			       int enable)
1627{
1628	u8 reg, mask;
1629
1630	reg = twl4030_read(component, TWL4030_REG_OPTION);
1631
1632	if (direction == SNDRV_PCM_STREAM_PLAYBACK)
1633		mask = TWL4030_ARXL1_VRX_EN | TWL4030_ARXR1_EN;
1634	else
1635		mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN;
1636
1637	if (enable)
1638		reg |= mask;
1639	else
1640		reg &= ~mask;
1641
1642	twl4030_write(component, TWL4030_REG_OPTION, reg);
1643}
1644
1645static int twl4030_startup(struct snd_pcm_substream *substream,
1646			   struct snd_soc_dai *dai)
1647{
1648	struct snd_soc_component *component = dai->component;
1649	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
1650
1651	if (twl4030->master_substream) {
1652		twl4030->slave_substream = substream;
1653		/* The DAI has one configuration for playback and capture, so
1654		 * if the DAI has been already configured then constrain this
1655		 * substream to match it. */
1656		if (twl4030->configured)
1657			twl4030_constraints(twl4030, twl4030->master_substream);
1658	} else {
1659		if (!(twl4030_read(component, TWL4030_REG_CODEC_MODE) &
1660			TWL4030_OPTION_1)) {
1661			/* In option2 4 channel is not supported, set the
1662			 * constraint for the first stream for channels, the
1663			 * second stream will 'inherit' this cosntraint */
1664			snd_pcm_hw_constraint_single(substream->runtime,
1665						     SNDRV_PCM_HW_PARAM_CHANNELS,
1666						     2);
1667		}
1668		twl4030->master_substream = substream;
1669	}
1670
1671	return 0;
1672}
1673
1674static void twl4030_shutdown(struct snd_pcm_substream *substream,
1675			     struct snd_soc_dai *dai)
1676{
1677	struct snd_soc_component *component = dai->component;
1678	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
1679
1680	if (twl4030->master_substream == substream)
1681		twl4030->master_substream = twl4030->slave_substream;
1682
1683	twl4030->slave_substream = NULL;
1684
1685	/* If all streams are closed, or the remaining stream has not yet
1686	 * been configured than set the DAI as not configured. */
1687	if (!twl4030->master_substream)
1688		twl4030->configured = 0;
1689	 else if (!twl4030->master_substream->runtime->channels)
1690		twl4030->configured = 0;
1691
1692	 /* If the closing substream had 4 channel, do the necessary cleanup */
1693	if (substream->runtime->channels == 4)
1694		twl4030_tdm_enable(component, substream->stream, 0);
1695}
1696
1697static int twl4030_hw_params(struct snd_pcm_substream *substream,
1698			     struct snd_pcm_hw_params *params,
1699			     struct snd_soc_dai *dai)
1700{
1701	struct snd_soc_component *component = dai->component;
1702	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
1703	u8 mode, old_mode, format, old_format;
1704
1705	 /* If the substream has 4 channel, do the necessary setup */
1706	if (params_channels(params) == 4) {
1707		format = twl4030_read(component, TWL4030_REG_AUDIO_IF);
1708		mode = twl4030_read(component, TWL4030_REG_CODEC_MODE);
1709
1710		/* Safety check: are we in the correct operating mode and
1711		 * the interface is in TDM mode? */
1712		if ((mode & TWL4030_OPTION_1) &&
1713		    ((format & TWL4030_AIF_FORMAT) == TWL4030_AIF_FORMAT_TDM))
1714			twl4030_tdm_enable(component, substream->stream, 1);
1715		else
1716			return -EINVAL;
1717	}
1718
1719	if (twl4030->configured)
1720		/* Ignoring hw_params for already configured DAI */
1721		return 0;
1722
1723	/* bit rate */
1724	old_mode = twl4030_read(component,
1725				TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ;
1726	mode = old_mode & ~TWL4030_APLL_RATE;
1727
1728	switch (params_rate(params)) {
1729	case 8000:
1730		mode |= TWL4030_APLL_RATE_8000;
1731		break;
1732	case 11025:
1733		mode |= TWL4030_APLL_RATE_11025;
1734		break;
1735	case 12000:
1736		mode |= TWL4030_APLL_RATE_12000;
1737		break;
1738	case 16000:
1739		mode |= TWL4030_APLL_RATE_16000;
1740		break;
1741	case 22050:
1742		mode |= TWL4030_APLL_RATE_22050;
1743		break;
1744	case 24000:
1745		mode |= TWL4030_APLL_RATE_24000;
1746		break;
1747	case 32000:
1748		mode |= TWL4030_APLL_RATE_32000;
1749		break;
1750	case 44100:
1751		mode |= TWL4030_APLL_RATE_44100;
1752		break;
1753	case 48000:
1754		mode |= TWL4030_APLL_RATE_48000;
1755		break;
1756	case 96000:
1757		mode |= TWL4030_APLL_RATE_96000;
1758		break;
1759	default:
1760		dev_err(component->dev, "%s: unknown rate %d\n", __func__,
1761			params_rate(params));
1762		return -EINVAL;
1763	}
1764
1765	/* sample size */
1766	old_format = twl4030_read(component, TWL4030_REG_AUDIO_IF);
1767	format = old_format;
1768	format &= ~TWL4030_DATA_WIDTH;
1769	switch (params_width(params)) {
1770	case 16:
1771		format |= TWL4030_DATA_WIDTH_16S_16W;
1772		break;
1773	case 32:
1774		format |= TWL4030_DATA_WIDTH_32S_24W;
1775		break;
1776	default:
1777		dev_err(component->dev, "%s: unsupported bits/sample %d\n",
1778			__func__, params_width(params));
1779		return -EINVAL;
1780	}
1781
1782	if (format != old_format || mode != old_mode) {
1783		if (twl4030->codec_powered) {
1784			/*
1785			 * If the codec is powered, than we need to toggle the
1786			 * codec power.
1787			 */
1788			twl4030_codec_enable(component, 0);
1789			twl4030_write(component, TWL4030_REG_CODEC_MODE, mode);
1790			twl4030_write(component, TWL4030_REG_AUDIO_IF, format);
1791			twl4030_codec_enable(component, 1);
1792		} else {
1793			twl4030_write(component, TWL4030_REG_CODEC_MODE, mode);
1794			twl4030_write(component, TWL4030_REG_AUDIO_IF, format);
1795		}
1796	}
1797
1798	/* Store the important parameters for the DAI configuration and set
1799	 * the DAI as configured */
1800	twl4030->configured = 1;
1801	twl4030->rate = params_rate(params);
1802	twl4030->sample_bits = hw_param_interval(params,
1803					SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min;
1804	twl4030->channels = params_channels(params);
1805
1806	/* If both playback and capture streams are open, and one of them
1807	 * is setting the hw parameters right now (since we are here), set
1808	 * constraints to the other stream to match the current one. */
1809	if (twl4030->slave_substream)
1810		twl4030_constraints(twl4030, substream);
1811
1812	return 0;
1813}
1814
1815static int twl4030_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
1816				  unsigned int freq, int dir)
1817{
1818	struct snd_soc_component *component = codec_dai->component;
1819	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
1820
1821	switch (freq) {
1822	case 19200000:
1823	case 26000000:
1824	case 38400000:
1825		break;
1826	default:
1827		dev_err(component->dev, "Unsupported HFCLKIN: %u\n", freq);
1828		return -EINVAL;
1829	}
1830
1831	if ((freq / 1000) != twl4030->sysclk) {
1832		dev_err(component->dev,
1833			"Mismatch in HFCLKIN: %u (configured: %u)\n",
1834			freq, twl4030->sysclk * 1000);
1835		return -EINVAL;
1836	}
1837
1838	return 0;
1839}
1840
1841static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 
1842{
1843	struct snd_soc_component *component = codec_dai->component;
1844	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
1845	u8 old_format, format;
1846
1847	/* get format */
1848	old_format = twl4030_read(component, TWL4030_REG_AUDIO_IF);
1849	format = old_format;
1850
1851	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1852	case SND_SOC_DAIFMT_CBP_CFP:
 
1853		format &= ~(TWL4030_AIF_SLAVE_EN);
1854		format &= ~(TWL4030_CLK256FS_EN);
1855		break;
1856	case SND_SOC_DAIFMT_CBC_CFC:
1857		format |= TWL4030_AIF_SLAVE_EN;
1858		format |= TWL4030_CLK256FS_EN;
1859		break;
1860	default:
1861		return -EINVAL;
1862	}
1863
1864	/* interface format */
1865	format &= ~TWL4030_AIF_FORMAT;
1866	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1867	case SND_SOC_DAIFMT_I2S:
1868		format |= TWL4030_AIF_FORMAT_CODEC;
1869		break;
1870	case SND_SOC_DAIFMT_DSP_A:
1871		format |= TWL4030_AIF_FORMAT_TDM;
1872		break;
1873	default:
1874		return -EINVAL;
1875	}
1876
1877	if (format != old_format) {
1878		if (twl4030->codec_powered) {
1879			/*
1880			 * If the codec is powered, than we need to toggle the
1881			 * codec power.
1882			 */
1883			twl4030_codec_enable(component, 0);
1884			twl4030_write(component, TWL4030_REG_AUDIO_IF, format);
1885			twl4030_codec_enable(component, 1);
1886		} else {
1887			twl4030_write(component, TWL4030_REG_AUDIO_IF, format);
1888		}
1889	}
1890
1891	return 0;
1892}
1893
1894static int twl4030_set_tristate(struct snd_soc_dai *dai, int tristate)
1895{
1896	struct snd_soc_component *component = dai->component;
1897	u8 reg = twl4030_read(component, TWL4030_REG_AUDIO_IF);
1898
1899	if (tristate)
1900		reg |= TWL4030_AIF_TRI_EN;
1901	else
1902		reg &= ~TWL4030_AIF_TRI_EN;
1903
1904	return twl4030_write(component, TWL4030_REG_AUDIO_IF, reg);
1905}
1906
1907/* In case of voice mode, the RX1 L(VRX) for downlink and the TX2 L/R
1908 * (VTXL, VTXR) for uplink has to be enabled/disabled. */
1909static void twl4030_voice_enable(struct snd_soc_component *component, int direction,
1910				 int enable)
1911{
1912	u8 reg, mask;
1913
1914	reg = twl4030_read(component, TWL4030_REG_OPTION);
1915
1916	if (direction == SNDRV_PCM_STREAM_PLAYBACK)
1917		mask = TWL4030_ARXL1_VRX_EN;
1918	else
1919		mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN;
1920
1921	if (enable)
1922		reg |= mask;
1923	else
1924		reg &= ~mask;
1925
1926	twl4030_write(component, TWL4030_REG_OPTION, reg);
1927}
1928
1929static int twl4030_voice_startup(struct snd_pcm_substream *substream,
1930				 struct snd_soc_dai *dai)
1931{
1932	struct snd_soc_component *component = dai->component;
1933	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
1934	u8 mode;
1935
1936	/* If the system master clock is not 26MHz, the voice PCM interface is
1937	 * not available.
1938	 */
1939	if (twl4030->sysclk != 26000) {
1940		dev_err(component->dev,
1941			"%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n",
1942			__func__, twl4030->sysclk);
1943		return -EINVAL;
1944	}
1945
1946	/* If the codec mode is not option2, the voice PCM interface is not
1947	 * available.
1948	 */
1949	mode = twl4030_read(component, TWL4030_REG_CODEC_MODE)
1950		& TWL4030_OPT_MODE;
1951
1952	if (mode != TWL4030_OPTION_2) {
1953		dev_err(component->dev, "%s: the codec mode is not option2\n",
1954			__func__);
1955		return -EINVAL;
1956	}
1957
1958	return 0;
1959}
1960
1961static void twl4030_voice_shutdown(struct snd_pcm_substream *substream,
1962				   struct snd_soc_dai *dai)
1963{
1964	struct snd_soc_component *component = dai->component;
1965
1966	/* Enable voice digital filters */
1967	twl4030_voice_enable(component, substream->stream, 0);
1968}
1969
1970static int twl4030_voice_hw_params(struct snd_pcm_substream *substream,
1971				   struct snd_pcm_hw_params *params,
1972				   struct snd_soc_dai *dai)
1973{
1974	struct snd_soc_component *component = dai->component;
1975	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
1976	u8 old_mode, mode;
1977
1978	/* Enable voice digital filters */
1979	twl4030_voice_enable(component, substream->stream, 1);
1980
1981	/* bit rate */
1982	old_mode = twl4030_read(component,
1983				TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ;
1984	mode = old_mode;
1985
1986	switch (params_rate(params)) {
1987	case 8000:
1988		mode &= ~(TWL4030_SEL_16K);
1989		break;
1990	case 16000:
1991		mode |= TWL4030_SEL_16K;
1992		break;
1993	default:
1994		dev_err(component->dev, "%s: unknown rate %d\n", __func__,
1995			params_rate(params));
1996		return -EINVAL;
1997	}
1998
1999	if (mode != old_mode) {
2000		if (twl4030->codec_powered) {
2001			/*
2002			 * If the codec is powered, than we need to toggle the
2003			 * codec power.
2004			 */
2005			twl4030_codec_enable(component, 0);
2006			twl4030_write(component, TWL4030_REG_CODEC_MODE, mode);
2007			twl4030_codec_enable(component, 1);
2008		} else {
2009			twl4030_write(component, TWL4030_REG_CODEC_MODE, mode);
2010		}
2011	}
2012
2013	return 0;
2014}
2015
2016static int twl4030_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai,
2017					int clk_id, unsigned int freq, int dir)
2018{
2019	struct snd_soc_component *component = codec_dai->component;
2020	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
2021
2022	if (freq != 26000000) {
2023		dev_err(component->dev,
2024			"%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n",
2025			__func__, freq / 1000);
2026		return -EINVAL;
2027	}
2028	if ((freq / 1000) != twl4030->sysclk) {
2029		dev_err(component->dev,
2030			"Mismatch in HFCLKIN: %u (configured: %u)\n",
2031			freq, twl4030->sysclk * 1000);
2032		return -EINVAL;
2033	}
2034	return 0;
2035}
2036
2037static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
2038				     unsigned int fmt)
2039{
2040	struct snd_soc_component *component = codec_dai->component;
2041	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
2042	u8 old_format, format;
2043
2044	/* get format */
2045	old_format = twl4030_read(component, TWL4030_REG_VOICE_IF);
2046	format = old_format;
2047
2048	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
2049	case SND_SOC_DAIFMT_CBP_CFP:
 
2050		format &= ~(TWL4030_VIF_SLAVE_EN);
2051		break;
2052	case SND_SOC_DAIFMT_CBS_CFS:
2053		format |= TWL4030_VIF_SLAVE_EN;
2054		break;
2055	default:
2056		return -EINVAL;
2057	}
2058
2059	/* clock inversion */
2060	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2061	case SND_SOC_DAIFMT_IB_NF:
2062		format &= ~(TWL4030_VIF_FORMAT);
2063		break;
2064	case SND_SOC_DAIFMT_NB_IF:
2065		format |= TWL4030_VIF_FORMAT;
2066		break;
2067	default:
2068		return -EINVAL;
2069	}
2070
2071	if (format != old_format) {
2072		if (twl4030->codec_powered) {
2073			/*
2074			 * If the codec is powered, than we need to toggle the
2075			 * codec power.
2076			 */
2077			twl4030_codec_enable(component, 0);
2078			twl4030_write(component, TWL4030_REG_VOICE_IF, format);
2079			twl4030_codec_enable(component, 1);
2080		} else {
2081			twl4030_write(component, TWL4030_REG_VOICE_IF, format);
2082		}
2083	}
2084
2085	return 0;
2086}
2087
2088static int twl4030_voice_set_tristate(struct snd_soc_dai *dai, int tristate)
2089{
2090	struct snd_soc_component *component = dai->component;
2091	u8 reg = twl4030_read(component, TWL4030_REG_VOICE_IF);
2092
2093	if (tristate)
2094		reg |= TWL4030_VIF_TRI_EN;
2095	else
2096		reg &= ~TWL4030_VIF_TRI_EN;
2097
2098	return twl4030_write(component, TWL4030_REG_VOICE_IF, reg);
2099}
2100
2101#define TWL4030_RATES	 (SNDRV_PCM_RATE_8000_48000)
2102#define TWL4030_FORMATS	 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2103
2104static const struct snd_soc_dai_ops twl4030_dai_hifi_ops = {
2105	.startup	= twl4030_startup,
2106	.shutdown	= twl4030_shutdown,
2107	.hw_params	= twl4030_hw_params,
2108	.set_sysclk	= twl4030_set_dai_sysclk,
2109	.set_fmt	= twl4030_set_dai_fmt,
2110	.set_tristate	= twl4030_set_tristate,
2111};
2112
2113static const struct snd_soc_dai_ops twl4030_dai_voice_ops = {
2114	.startup	= twl4030_voice_startup,
2115	.shutdown	= twl4030_voice_shutdown,
2116	.hw_params	= twl4030_voice_hw_params,
2117	.set_sysclk	= twl4030_voice_set_dai_sysclk,
2118	.set_fmt	= twl4030_voice_set_dai_fmt,
2119	.set_tristate	= twl4030_voice_set_tristate,
2120};
2121
2122static struct snd_soc_dai_driver twl4030_dai[] = {
2123{
2124	.name = "twl4030-hifi",
2125	.playback = {
2126		.stream_name = "HiFi Playback",
2127		.channels_min = 2,
2128		.channels_max = 4,
2129		.rates = TWL4030_RATES | SNDRV_PCM_RATE_96000,
2130		.formats = TWL4030_FORMATS,
2131		.sig_bits = 24,},
2132	.capture = {
2133		.stream_name = "HiFi Capture",
2134		.channels_min = 2,
2135		.channels_max = 4,
2136		.rates = TWL4030_RATES,
2137		.formats = TWL4030_FORMATS,
2138		.sig_bits = 24,},
2139	.ops = &twl4030_dai_hifi_ops,
2140},
2141{
2142	.name = "twl4030-voice",
2143	.playback = {
2144		.stream_name = "Voice Playback",
2145		.channels_min = 1,
2146		.channels_max = 1,
2147		.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
2148		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
2149	.capture = {
2150		.stream_name = "Voice Capture",
2151		.channels_min = 1,
2152		.channels_max = 2,
2153		.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
2154		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
2155	.ops = &twl4030_dai_voice_ops,
2156},
2157};
2158
2159static int twl4030_soc_probe(struct snd_soc_component *component)
 
 
 
 
 
 
 
 
 
 
 
 
2160{
2161	struct twl4030_priv *twl4030;
2162
2163	twl4030 = devm_kzalloc(component->dev, sizeof(struct twl4030_priv),
2164			       GFP_KERNEL);
2165	if (!twl4030)
2166		return -ENOMEM;
2167	snd_soc_component_set_drvdata(component, twl4030);
 
2168	/* Set the defaults, and power up the codec */
2169	twl4030->sysclk = twl4030_audio_get_mclk() / 1000;
2170
2171	twl4030_init_chip(component);
2172
2173	return 0;
2174}
2175
2176static void twl4030_soc_remove(struct snd_soc_component *component)
2177{
2178	struct twl4030_priv *twl4030 = snd_soc_component_get_drvdata(component);
2179	struct twl4030_board_params *board_params = twl4030->board_params;
2180
2181	if (board_params && board_params->hs_extmute &&
2182	    gpio_is_valid(board_params->hs_extmute_gpio))
2183		gpio_free(board_params->hs_extmute_gpio);
 
 
2184}
2185
2186static const struct snd_soc_component_driver soc_component_dev_twl4030 = {
2187	.probe			= twl4030_soc_probe,
2188	.remove			= twl4030_soc_remove,
2189	.read			= twl4030_read,
2190	.write			= twl4030_write,
2191	.set_bias_level		= twl4030_set_bias_level,
2192	.controls		= twl4030_snd_controls,
2193	.num_controls		= ARRAY_SIZE(twl4030_snd_controls),
2194	.dapm_widgets		= twl4030_dapm_widgets,
2195	.num_dapm_widgets	= ARRAY_SIZE(twl4030_dapm_widgets),
2196	.dapm_routes		= intercon,
2197	.num_dapm_routes	= ARRAY_SIZE(intercon),
2198	.use_pmdown_time	= 1,
2199	.endianness		= 1,
 
 
 
 
 
2200};
2201
2202static int twl4030_codec_probe(struct platform_device *pdev)
 
 
 
 
 
 
 
 
 
 
 
 
 
2203{
2204	return devm_snd_soc_register_component(&pdev->dev,
2205				      &soc_component_dev_twl4030,
2206				      twl4030_dai, ARRAY_SIZE(twl4030_dai));
2207}
2208
2209MODULE_ALIAS("platform:twl4030-codec");
2210
2211static struct platform_driver twl4030_codec_driver = {
2212	.probe		= twl4030_codec_probe,
 
2213	.driver		= {
2214		.name	= "twl4030-codec",
 
2215	},
2216};
2217
2218module_platform_driver(twl4030_codec_driver);
2219
2220MODULE_DESCRIPTION("ASoC TWL4030 codec driver");
2221MODULE_AUTHOR("Steve Sakoman");
2222MODULE_LICENSE("GPL");
v3.5.6
 
   1/*
   2 * ALSA SoC TWL4030 codec driver
   3 *
   4 * Author:      Steve Sakoman, <steve@sakoman.com>
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License
   8 * version 2 as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope that it will be useful, but
  11 * WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 * General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  18 * 02110-1301 USA
  19 *
  20 */
  21
  22#include <linux/module.h>
  23#include <linux/moduleparam.h>
  24#include <linux/init.h>
  25#include <linux/delay.h>
  26#include <linux/pm.h>
  27#include <linux/i2c.h>
  28#include <linux/platform_device.h>
  29#include <linux/i2c/twl.h>
 
 
  30#include <linux/slab.h>
 
  31#include <sound/core.h>
  32#include <sound/pcm.h>
  33#include <sound/pcm_params.h>
  34#include <sound/soc.h>
  35#include <sound/initval.h>
  36#include <sound/tlv.h>
  37
  38/* Register descriptions are here */
  39#include <linux/mfd/twl4030-audio.h>
  40
  41/* Shadow register used by the audio driver */
  42#define TWL4030_REG_SW_SHADOW		0x4A
  43#define TWL4030_CACHEREGNUM	(TWL4030_REG_SW_SHADOW + 1)
  44
  45/* TWL4030_REG_SW_SHADOW (0x4A) Fields */
  46#define TWL4030_HFL_EN			0x01
  47#define TWL4030_HFR_EN			0x02
  48
  49/*
  50 * twl4030 register cache & default register settings
  51 */
  52static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = {
  53	0x00, /* this register not used		*/
  54	0x00, /* REG_CODEC_MODE		(0x1)	*/
  55	0x00, /* REG_OPTION		(0x2)	*/
  56	0x00, /* REG_UNKNOWN		(0x3)	*/
  57	0x00, /* REG_MICBIAS_CTL	(0x4)	*/
  58	0x00, /* REG_ANAMICL		(0x5)	*/
  59	0x00, /* REG_ANAMICR		(0x6)	*/
  60	0x00, /* REG_AVADC_CTL		(0x7)	*/
  61	0x00, /* REG_ADCMICSEL		(0x8)	*/
  62	0x00, /* REG_DIGMIXING		(0x9)	*/
  63	0x0f, /* REG_ATXL1PGA		(0xA)	*/
  64	0x0f, /* REG_ATXR1PGA		(0xB)	*/
  65	0x0f, /* REG_AVTXL2PGA		(0xC)	*/
  66	0x0f, /* REG_AVTXR2PGA		(0xD)	*/
  67	0x00, /* REG_AUDIO_IF		(0xE)	*/
  68	0x00, /* REG_VOICE_IF		(0xF)	*/
  69	0x3f, /* REG_ARXR1PGA		(0x10)	*/
  70	0x3f, /* REG_ARXL1PGA		(0x11)	*/
  71	0x3f, /* REG_ARXR2PGA		(0x12)	*/
  72	0x3f, /* REG_ARXL2PGA		(0x13)	*/
  73	0x25, /* REG_VRXPGA		(0x14)	*/
  74	0x00, /* REG_VSTPGA		(0x15)	*/
  75	0x00, /* REG_VRX2ARXPGA		(0x16)	*/
  76	0x00, /* REG_AVDAC_CTL		(0x17)	*/
  77	0x00, /* REG_ARX2VTXPGA		(0x18)	*/
  78	0x32, /* REG_ARXL1_APGA_CTL	(0x19)	*/
  79	0x32, /* REG_ARXR1_APGA_CTL	(0x1A)	*/
  80	0x32, /* REG_ARXL2_APGA_CTL	(0x1B)	*/
  81	0x32, /* REG_ARXR2_APGA_CTL	(0x1C)	*/
  82	0x00, /* REG_ATX2ARXPGA		(0x1D)	*/
  83	0x00, /* REG_BT_IF		(0x1E)	*/
  84	0x55, /* REG_BTPGA		(0x1F)	*/
  85	0x00, /* REG_BTSTPGA		(0x20)	*/
  86	0x00, /* REG_EAR_CTL		(0x21)	*/
  87	0x00, /* REG_HS_SEL		(0x22)	*/
  88	0x00, /* REG_HS_GAIN_SET	(0x23)	*/
  89	0x00, /* REG_HS_POPN_SET	(0x24)	*/
  90	0x00, /* REG_PREDL_CTL		(0x25)	*/
  91	0x00, /* REG_PREDR_CTL		(0x26)	*/
  92	0x00, /* REG_PRECKL_CTL		(0x27)	*/
  93	0x00, /* REG_PRECKR_CTL		(0x28)	*/
  94	0x00, /* REG_HFL_CTL		(0x29)	*/
  95	0x00, /* REG_HFR_CTL		(0x2A)	*/
  96	0x05, /* REG_ALC_CTL		(0x2B)	*/
  97	0x00, /* REG_ALC_SET1		(0x2C)	*/
  98	0x00, /* REG_ALC_SET2		(0x2D)	*/
  99	0x00, /* REG_BOOST_CTL		(0x2E)	*/
 100	0x00, /* REG_SOFTVOL_CTL	(0x2F)	*/
 101	0x13, /* REG_DTMF_FREQSEL	(0x30)	*/
 102	0x00, /* REG_DTMF_TONEXT1H	(0x31)	*/
 103	0x00, /* REG_DTMF_TONEXT1L	(0x32)	*/
 104	0x00, /* REG_DTMF_TONEXT2H	(0x33)	*/
 105	0x00, /* REG_DTMF_TONEXT2L	(0x34)	*/
 106	0x79, /* REG_DTMF_TONOFF	(0x35)	*/
 107	0x11, /* REG_DTMF_WANONOFF	(0x36)	*/
 108	0x00, /* REG_I2S_RX_SCRAMBLE_H	(0x37)	*/
 109	0x00, /* REG_I2S_RX_SCRAMBLE_M	(0x38)	*/
 110	0x00, /* REG_I2S_RX_SCRAMBLE_L	(0x39)	*/
 111	0x06, /* REG_APLL_CTL		(0x3A)	*/
 112	0x00, /* REG_DTMF_CTL		(0x3B)	*/
 113	0x44, /* REG_DTMF_PGA_CTL2	(0x3C)	*/
 114	0x69, /* REG_DTMF_PGA_CTL1	(0x3D)	*/
 115	0x00, /* REG_MISC_SET_1		(0x3E)	*/
 116	0x00, /* REG_PCMBTMUX		(0x3F)	*/
 117	0x00, /* not used		(0x40)	*/
 118	0x00, /* not used		(0x41)	*/
 119	0x00, /* not used		(0x42)	*/
 120	0x00, /* REG_RX_PATH_SEL	(0x43)	*/
 121	0x32, /* REG_VDL_APGA_CTL	(0x44)	*/
 122	0x00, /* REG_VIBRA_CTL		(0x45)	*/
 123	0x00, /* REG_VIBRA_SET		(0x46)	*/
 124	0x00, /* REG_VIBRA_PWM_SET	(0x47)	*/
 125	0x00, /* REG_ANAMIC_GAIN	(0x48)	*/
 126	0x00, /* REG_MISC_SET_2		(0x49)	*/
 127	0x00, /* REG_SW_SHADOW		(0x4A)	- Shadow, non HW register */
 128};
 129
 130/* codec private data */
 131struct twl4030_priv {
 132	struct snd_soc_codec codec;
 133
 134	unsigned int codec_powered;
 135
 136	/* reference counts of AIF/APLL users */
 137	unsigned int apll_enabled;
 138
 139	struct snd_pcm_substream *master_substream;
 140	struct snd_pcm_substream *slave_substream;
 141
 142	unsigned int configured;
 143	unsigned int rate;
 144	unsigned int sample_bits;
 145	unsigned int channels;
 146
 147	unsigned int sysclk;
 148
 149	/* Output (with associated amp) states */
 150	u8 hsl_enabled, hsr_enabled;
 151	u8 earpiece_enabled;
 152	u8 predrivel_enabled, predriver_enabled;
 153	u8 carkitl_enabled, carkitr_enabled;
 
 154
 155	/* Delay needed after enabling the digimic interface */
 156	unsigned int digimic_delay;
 157};
 158
 159/*
 160 * read twl4030 register cache
 161 */
 162static inline unsigned int twl4030_read_reg_cache(struct snd_soc_codec *codec,
 163	unsigned int reg)
 
 
 
 
 
 
 
 164{
 165	u8 *cache = codec->reg_cache;
 
 166
 167	if (reg >= TWL4030_CACHEREGNUM)
 168		return -EIO;
 169
 170	return cache[reg];
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 171}
 172
 173/*
 174 * write twl4030 register cache
 175 */
 176static inline void twl4030_write_reg_cache(struct snd_soc_codec *codec,
 177						u8 reg, u8 value)
 178{
 179	u8 *cache = codec->reg_cache;
 180
 181	if (reg >= TWL4030_CACHEREGNUM)
 182		return;
 183	cache[reg] = value;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 184}
 185
 186/*
 187 * write to the twl4030 register space
 188 */
 189static int twl4030_write(struct snd_soc_codec *codec,
 190			unsigned int reg, unsigned int value)
 191{
 192	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
 193	int write_to_reg = 0;
 194
 195	twl4030_write_reg_cache(codec, reg, value);
 196	if (likely(reg < TWL4030_REG_SW_SHADOW)) {
 197		/* Decide if the given register can be written */
 198		switch (reg) {
 199		case TWL4030_REG_EAR_CTL:
 200			if (twl4030->earpiece_enabled)
 201				write_to_reg = 1;
 202			break;
 203		case TWL4030_REG_PREDL_CTL:
 204			if (twl4030->predrivel_enabled)
 205				write_to_reg = 1;
 206			break;
 207		case TWL4030_REG_PREDR_CTL:
 208			if (twl4030->predriver_enabled)
 209				write_to_reg = 1;
 210			break;
 211		case TWL4030_REG_PRECKL_CTL:
 212			if (twl4030->carkitl_enabled)
 213				write_to_reg = 1;
 214			break;
 215		case TWL4030_REG_PRECKR_CTL:
 216			if (twl4030->carkitr_enabled)
 217				write_to_reg = 1;
 218			break;
 219		case TWL4030_REG_HS_GAIN_SET:
 220			if (twl4030->hsl_enabled || twl4030->hsr_enabled)
 221				write_to_reg = 1;
 222			break;
 223		default:
 224			/* All other register can be written */
 225			write_to_reg = 1;
 226			break;
 227		}
 228		if (write_to_reg)
 229			return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
 230						    value, reg);
 231	}
 
 
 
 
 232	return 0;
 233}
 234
 235static inline void twl4030_wait_ms(int time)
 236{
 237	if (time < 60) {
 238		time *= 1000;
 239		usleep_range(time, time + 500);
 240	} else {
 241		msleep(time);
 242	}
 243}
 244
 245static void twl4030_codec_enable(struct snd_soc_codec *codec, int enable)
 246{
 247	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
 248	int mode;
 249
 250	if (enable == twl4030->codec_powered)
 251		return;
 252
 253	if (enable)
 254		mode = twl4030_audio_enable_resource(TWL4030_AUDIO_RES_POWER);
 255	else
 256		mode = twl4030_audio_disable_resource(TWL4030_AUDIO_RES_POWER);
 257
 258	if (mode >= 0) {
 259		twl4030_write_reg_cache(codec, TWL4030_REG_CODEC_MODE, mode);
 260		twl4030->codec_powered = enable;
 261	}
 262
 263	/* REVISIT: this delay is present in TI sample drivers */
 264	/* but there seems to be no TRM requirement for it     */
 265	udelay(10);
 266}
 267
 268static inline void twl4030_check_defaults(struct snd_soc_codec *codec)
 269{
 270	int i, difference = 0;
 271	u8 val;
 272
 273	dev_dbg(codec->dev, "Checking TWL audio default configuration\n");
 274	for (i = 1; i <= TWL4030_REG_MISC_SET_2; i++) {
 275		twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &val, i);
 276		if (val != twl4030_reg[i]) {
 277			difference++;
 278			dev_dbg(codec->dev,
 279				 "Reg 0x%02x: chip: 0x%02x driver: 0x%02x\n",
 280				 i, val, twl4030_reg[i]);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 281		}
 
 
 282	}
 283	dev_dbg(codec->dev, "Found %d non-matching registers. %s\n",
 284		 difference, difference ? "Not OK" : "OK");
 285}
 286
 287static inline void twl4030_reset_registers(struct snd_soc_codec *codec)
 288{
 289	int i;
 
 
 
 290
 291	/* set all audio section registers to reasonable defaults */
 292	for (i = TWL4030_REG_OPTION; i <= TWL4030_REG_MISC_SET_2; i++)
 293		if (i != TWL4030_REG_APLL_CTL)
 294			twl4030_write(codec, i, twl4030_reg[i]);
 295
 296}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 297
 298static void twl4030_init_chip(struct snd_soc_codec *codec)
 299{
 300	struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
 301	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
 302	u8 reg, byte;
 303	int i = 0;
 
 
 
 304
 305	/* Check defaults, if instructed before anything else */
 306	if (pdata && pdata->check_defaults)
 307		twl4030_check_defaults(codec);
 308
 309	/* Reset registers, if no setup data or if instructed to do so */
 310	if (!pdata || (pdata && pdata->reset_registers))
 311		twl4030_reset_registers(codec);
 312
 313	/* Refresh APLL_CTL register from HW */
 314	twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte,
 315			    TWL4030_REG_APLL_CTL);
 316	twl4030_write_reg_cache(codec, TWL4030_REG_APLL_CTL, byte);
 317
 318	/* anti-pop when changing analog gain */
 319	reg = twl4030_read_reg_cache(codec, TWL4030_REG_MISC_SET_1);
 320	twl4030_write(codec, TWL4030_REG_MISC_SET_1,
 321		reg | TWL4030_SMOOTH_ANAVOL_EN);
 322
 323	twl4030_write(codec, TWL4030_REG_OPTION,
 324		TWL4030_ATXL1_EN | TWL4030_ATXR1_EN |
 325		TWL4030_ARXL2_EN | TWL4030_ARXR2_EN);
 326
 327	/* REG_ARXR2_APGA_CTL reset according to the TRM: 0dB, DA_EN */
 328	twl4030_write(codec, TWL4030_REG_ARXR2_APGA_CTL, 0x32);
 329
 330	/* Machine dependent setup */
 331	if (!pdata)
 332		return;
 333
 334	twl4030->digimic_delay = pdata->digimic_delay;
 335
 336	reg = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET);
 337	reg &= ~TWL4030_RAMP_DELAY;
 338	reg |= (pdata->ramp_delay_value << 2);
 339	twl4030_write_reg_cache(codec, TWL4030_REG_HS_POPN_SET, reg);
 340
 341	/* initiate offset cancellation */
 342	twl4030_codec_enable(codec, 1);
 343
 344	reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL);
 345	reg &= ~TWL4030_OFFSET_CNCL_SEL;
 346	reg |= pdata->offset_cncl_path;
 347	twl4030_write(codec, TWL4030_REG_ANAMICL,
 348		reg | TWL4030_CNCL_OFFSET_START);
 349
 350	/*
 351	 * Wait for offset cancellation to complete.
 352	 * Since this takes a while, do not slam the i2c.
 353	 * Start polling the status after ~20ms.
 354	 */
 355	msleep(20);
 356	do {
 357		usleep_range(1000, 2000);
 
 358		twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte,
 359				    TWL4030_REG_ANAMICL);
 
 360	} while ((i++ < 100) &&
 361		 ((byte & TWL4030_CNCL_OFFSET_START) ==
 362		  TWL4030_CNCL_OFFSET_START));
 363
 364	/* Make sure that the reg_cache has the same value as the HW */
 365	twl4030_write_reg_cache(codec, TWL4030_REG_ANAMICL, byte);
 366
 367	twl4030_codec_enable(codec, 0);
 368}
 369
 370static void twl4030_apll_enable(struct snd_soc_codec *codec, int enable)
 371{
 372	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
 373	int status = -1;
 374
 375	if (enable) {
 376		twl4030->apll_enabled++;
 377		if (twl4030->apll_enabled == 1)
 378			status = twl4030_audio_enable_resource(
 379							TWL4030_AUDIO_RES_APLL);
 380	} else {
 381		twl4030->apll_enabled--;
 382		if (!twl4030->apll_enabled)
 383			status = twl4030_audio_disable_resource(
 384							TWL4030_AUDIO_RES_APLL);
 385	}
 386
 387	if (status >= 0)
 388		twl4030_write_reg_cache(codec, TWL4030_REG_APLL_CTL, status);
 389}
 390
 391/* Earpiece */
 392static const struct snd_kcontrol_new twl4030_dapm_earpiece_controls[] = {
 393	SOC_DAPM_SINGLE("Voice", TWL4030_REG_EAR_CTL, 0, 1, 0),
 394	SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_EAR_CTL, 1, 1, 0),
 395	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_EAR_CTL, 2, 1, 0),
 396	SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_EAR_CTL, 3, 1, 0),
 397};
 398
 399/* PreDrive Left */
 400static const struct snd_kcontrol_new twl4030_dapm_predrivel_controls[] = {
 401	SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDL_CTL, 0, 1, 0),
 402	SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PREDL_CTL, 1, 1, 0),
 403	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDL_CTL, 2, 1, 0),
 404	SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDL_CTL, 3, 1, 0),
 405};
 406
 407/* PreDrive Right */
 408static const struct snd_kcontrol_new twl4030_dapm_predriver_controls[] = {
 409	SOC_DAPM_SINGLE("Voice", TWL4030_REG_PREDR_CTL, 0, 1, 0),
 410	SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PREDR_CTL, 1, 1, 0),
 411	SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PREDR_CTL, 2, 1, 0),
 412	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PREDR_CTL, 3, 1, 0),
 413};
 414
 415/* Headset Left */
 416static const struct snd_kcontrol_new twl4030_dapm_hsol_controls[] = {
 417	SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 0, 1, 0),
 418	SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_HS_SEL, 1, 1, 0),
 419	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_HS_SEL, 2, 1, 0),
 420};
 421
 422/* Headset Right */
 423static const struct snd_kcontrol_new twl4030_dapm_hsor_controls[] = {
 424	SOC_DAPM_SINGLE("Voice", TWL4030_REG_HS_SEL, 3, 1, 0),
 425	SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_HS_SEL, 4, 1, 0),
 426	SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_HS_SEL, 5, 1, 0),
 427};
 428
 429/* Carkit Left */
 430static const struct snd_kcontrol_new twl4030_dapm_carkitl_controls[] = {
 431	SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKL_CTL, 0, 1, 0),
 432	SOC_DAPM_SINGLE("AudioL1", TWL4030_REG_PRECKL_CTL, 1, 1, 0),
 433	SOC_DAPM_SINGLE("AudioL2", TWL4030_REG_PRECKL_CTL, 2, 1, 0),
 434};
 435
 436/* Carkit Right */
 437static const struct snd_kcontrol_new twl4030_dapm_carkitr_controls[] = {
 438	SOC_DAPM_SINGLE("Voice", TWL4030_REG_PRECKR_CTL, 0, 1, 0),
 439	SOC_DAPM_SINGLE("AudioR1", TWL4030_REG_PRECKR_CTL, 1, 1, 0),
 440	SOC_DAPM_SINGLE("AudioR2", TWL4030_REG_PRECKR_CTL, 2, 1, 0),
 441};
 442
 443/* Handsfree Left */
 444static const char *twl4030_handsfreel_texts[] =
 445		{"Voice", "AudioL1", "AudioL2", "AudioR2"};
 446
 447static const struct soc_enum twl4030_handsfreel_enum =
 448	SOC_ENUM_SINGLE(TWL4030_REG_HFL_CTL, 0,
 449			ARRAY_SIZE(twl4030_handsfreel_texts),
 450			twl4030_handsfreel_texts);
 451
 452static const struct snd_kcontrol_new twl4030_dapm_handsfreel_control =
 453SOC_DAPM_ENUM("Route", twl4030_handsfreel_enum);
 454
 455/* Handsfree Left virtual mute */
 456static const struct snd_kcontrol_new twl4030_dapm_handsfreelmute_control =
 457	SOC_DAPM_SINGLE("Switch", TWL4030_REG_SW_SHADOW, 0, 1, 0);
 458
 459/* Handsfree Right */
 460static const char *twl4030_handsfreer_texts[] =
 461		{"Voice", "AudioR1", "AudioR2", "AudioL2"};
 462
 463static const struct soc_enum twl4030_handsfreer_enum =
 464	SOC_ENUM_SINGLE(TWL4030_REG_HFR_CTL, 0,
 465			ARRAY_SIZE(twl4030_handsfreer_texts),
 466			twl4030_handsfreer_texts);
 467
 468static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control =
 469SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum);
 470
 471/* Handsfree Right virtual mute */
 472static const struct snd_kcontrol_new twl4030_dapm_handsfreermute_control =
 473	SOC_DAPM_SINGLE("Switch", TWL4030_REG_SW_SHADOW, 1, 1, 0);
 474
 475/* Vibra */
 476/* Vibra audio path selection */
 477static const char *twl4030_vibra_texts[] =
 478		{"AudioL1", "AudioR1", "AudioL2", "AudioR2"};
 479
 480static const struct soc_enum twl4030_vibra_enum =
 481	SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 2,
 482			ARRAY_SIZE(twl4030_vibra_texts),
 483			twl4030_vibra_texts);
 484
 485static const struct snd_kcontrol_new twl4030_dapm_vibra_control =
 486SOC_DAPM_ENUM("Route", twl4030_vibra_enum);
 487
 488/* Vibra path selection: local vibrator (PWM) or audio driven */
 489static const char *twl4030_vibrapath_texts[] =
 490		{"Local vibrator", "Audio"};
 491
 492static const struct soc_enum twl4030_vibrapath_enum =
 493	SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 4,
 494			ARRAY_SIZE(twl4030_vibrapath_texts),
 495			twl4030_vibrapath_texts);
 496
 497static const struct snd_kcontrol_new twl4030_dapm_vibrapath_control =
 498SOC_DAPM_ENUM("Route", twl4030_vibrapath_enum);
 499
 500/* Left analog microphone selection */
 501static const struct snd_kcontrol_new twl4030_dapm_analoglmic_controls[] = {
 502	SOC_DAPM_SINGLE("Main Mic Capture Switch",
 503			TWL4030_REG_ANAMICL, 0, 1, 0),
 504	SOC_DAPM_SINGLE("Headset Mic Capture Switch",
 505			TWL4030_REG_ANAMICL, 1, 1, 0),
 506	SOC_DAPM_SINGLE("AUXL Capture Switch",
 507			TWL4030_REG_ANAMICL, 2, 1, 0),
 508	SOC_DAPM_SINGLE("Carkit Mic Capture Switch",
 509			TWL4030_REG_ANAMICL, 3, 1, 0),
 510};
 511
 512/* Right analog microphone selection */
 513static const struct snd_kcontrol_new twl4030_dapm_analogrmic_controls[] = {
 514	SOC_DAPM_SINGLE("Sub Mic Capture Switch", TWL4030_REG_ANAMICR, 0, 1, 0),
 515	SOC_DAPM_SINGLE("AUXR Capture Switch", TWL4030_REG_ANAMICR, 2, 1, 0),
 516};
 517
 518/* TX1 L/R Analog/Digital microphone selection */
 519static const char *twl4030_micpathtx1_texts[] =
 520		{"Analog", "Digimic0"};
 521
 522static const struct soc_enum twl4030_micpathtx1_enum =
 523	SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 0,
 524			ARRAY_SIZE(twl4030_micpathtx1_texts),
 525			twl4030_micpathtx1_texts);
 526
 527static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control =
 528SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum);
 529
 530/* TX2 L/R Analog/Digital microphone selection */
 531static const char *twl4030_micpathtx2_texts[] =
 532		{"Analog", "Digimic1"};
 533
 534static const struct soc_enum twl4030_micpathtx2_enum =
 535	SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 2,
 536			ARRAY_SIZE(twl4030_micpathtx2_texts),
 537			twl4030_micpathtx2_texts);
 538
 539static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control =
 540SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum);
 541
 542/* Analog bypass for AudioR1 */
 543static const struct snd_kcontrol_new twl4030_dapm_abypassr1_control =
 544	SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR1_APGA_CTL, 2, 1, 0);
 545
 546/* Analog bypass for AudioL1 */
 547static const struct snd_kcontrol_new twl4030_dapm_abypassl1_control =
 548	SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL1_APGA_CTL, 2, 1, 0);
 549
 550/* Analog bypass for AudioR2 */
 551static const struct snd_kcontrol_new twl4030_dapm_abypassr2_control =
 552	SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXR2_APGA_CTL, 2, 1, 0);
 553
 554/* Analog bypass for AudioL2 */
 555static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control =
 556	SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL2_APGA_CTL, 2, 1, 0);
 557
 558/* Analog bypass for Voice */
 559static const struct snd_kcontrol_new twl4030_dapm_abypassv_control =
 560	SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL, 2, 1, 0);
 561
 562/* Digital bypass gain, mute instead of -30dB */
 563static const unsigned int twl4030_dapm_dbypass_tlv[] = {
 564	TLV_DB_RANGE_HEAD(3),
 565	0, 1, TLV_DB_SCALE_ITEM(-3000, 600, 1),
 566	2, 3, TLV_DB_SCALE_ITEM(-2400, 0, 0),
 567	4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0),
 568};
 569
 570/* Digital bypass left (TX1L -> RX2L) */
 571static const struct snd_kcontrol_new twl4030_dapm_dbypassl_control =
 572	SOC_DAPM_SINGLE_TLV("Volume",
 573			TWL4030_REG_ATX2ARXPGA, 3, 7, 0,
 574			twl4030_dapm_dbypass_tlv);
 575
 576/* Digital bypass right (TX1R -> RX2R) */
 577static const struct snd_kcontrol_new twl4030_dapm_dbypassr_control =
 578	SOC_DAPM_SINGLE_TLV("Volume",
 579			TWL4030_REG_ATX2ARXPGA, 0, 7, 0,
 580			twl4030_dapm_dbypass_tlv);
 581
 582/*
 583 * Voice Sidetone GAIN volume control:
 584 * from -51 to -10 dB in 1 dB steps (mute instead of -51 dB)
 585 */
 586static DECLARE_TLV_DB_SCALE(twl4030_dapm_dbypassv_tlv, -5100, 100, 1);
 587
 588/* Digital bypass voice: sidetone (VUL -> VDL)*/
 589static const struct snd_kcontrol_new twl4030_dapm_dbypassv_control =
 590	SOC_DAPM_SINGLE_TLV("Volume",
 591			TWL4030_REG_VSTPGA, 0, 0x29, 0,
 592			twl4030_dapm_dbypassv_tlv);
 593
 594/*
 595 * Output PGA builder:
 596 * Handle the muting and unmuting of the given output (turning off the
 597 * amplifier associated with the output pin)
 598 * On mute bypass the reg_cache and write 0 to the register
 599 * On unmute: restore the register content from the reg_cache
 600 * Outputs handled in this way:  Earpiece, PreDrivL/R, CarkitL/R
 601 */
 602#define TWL4030_OUTPUT_PGA(pin_name, reg, mask)				\
 603static int pin_name##pga_event(struct snd_soc_dapm_widget *w,		\
 604		struct snd_kcontrol *kcontrol, int event)		\
 605{									\
 606	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); \
 
 607									\
 608	switch (event) {						\
 609	case SND_SOC_DAPM_POST_PMU:					\
 610		twl4030->pin_name##_enabled = 1;			\
 611		twl4030_write(w->codec, reg,				\
 612			twl4030_read_reg_cache(w->codec, reg));		\
 613		break;							\
 614	case SND_SOC_DAPM_POST_PMD:					\
 615		twl4030->pin_name##_enabled = 0;			\
 616		twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,		\
 617					0, reg);			\
 618		break;							\
 619	}								\
 620	return 0;							\
 621}
 622
 623TWL4030_OUTPUT_PGA(earpiece, TWL4030_REG_EAR_CTL, TWL4030_EAR_GAIN);
 624TWL4030_OUTPUT_PGA(predrivel, TWL4030_REG_PREDL_CTL, TWL4030_PREDL_GAIN);
 625TWL4030_OUTPUT_PGA(predriver, TWL4030_REG_PREDR_CTL, TWL4030_PREDR_GAIN);
 626TWL4030_OUTPUT_PGA(carkitl, TWL4030_REG_PRECKL_CTL, TWL4030_PRECKL_GAIN);
 627TWL4030_OUTPUT_PGA(carkitr, TWL4030_REG_PRECKR_CTL, TWL4030_PRECKR_GAIN);
 628
 629static void handsfree_ramp(struct snd_soc_codec *codec, int reg, int ramp)
 630{
 631	unsigned char hs_ctl;
 632
 633	hs_ctl = twl4030_read_reg_cache(codec, reg);
 634
 635	if (ramp) {
 636		/* HF ramp-up */
 637		hs_ctl |= TWL4030_HF_CTL_REF_EN;
 638		twl4030_write(codec, reg, hs_ctl);
 639		udelay(10);
 640		hs_ctl |= TWL4030_HF_CTL_RAMP_EN;
 641		twl4030_write(codec, reg, hs_ctl);
 642		udelay(40);
 643		hs_ctl |= TWL4030_HF_CTL_LOOP_EN;
 644		hs_ctl |= TWL4030_HF_CTL_HB_EN;
 645		twl4030_write(codec, reg, hs_ctl);
 646	} else {
 647		/* HF ramp-down */
 648		hs_ctl &= ~TWL4030_HF_CTL_LOOP_EN;
 649		hs_ctl &= ~TWL4030_HF_CTL_HB_EN;
 650		twl4030_write(codec, reg, hs_ctl);
 651		hs_ctl &= ~TWL4030_HF_CTL_RAMP_EN;
 652		twl4030_write(codec, reg, hs_ctl);
 653		udelay(40);
 654		hs_ctl &= ~TWL4030_HF_CTL_REF_EN;
 655		twl4030_write(codec, reg, hs_ctl);
 656	}
 657}
 658
 659static int handsfreelpga_event(struct snd_soc_dapm_widget *w,
 660		struct snd_kcontrol *kcontrol, int event)
 661{
 
 
 662	switch (event) {
 663	case SND_SOC_DAPM_POST_PMU:
 664		handsfree_ramp(w->codec, TWL4030_REG_HFL_CTL, 1);
 665		break;
 666	case SND_SOC_DAPM_POST_PMD:
 667		handsfree_ramp(w->codec, TWL4030_REG_HFL_CTL, 0);
 668		break;
 669	}
 670	return 0;
 671}
 672
 673static int handsfreerpga_event(struct snd_soc_dapm_widget *w,
 674		struct snd_kcontrol *kcontrol, int event)
 675{
 
 
 676	switch (event) {
 677	case SND_SOC_DAPM_POST_PMU:
 678		handsfree_ramp(w->codec, TWL4030_REG_HFR_CTL, 1);
 679		break;
 680	case SND_SOC_DAPM_POST_PMD:
 681		handsfree_ramp(w->codec, TWL4030_REG_HFR_CTL, 0);
 682		break;
 683	}
 684	return 0;
 685}
 686
 687static int vibramux_event(struct snd_soc_dapm_widget *w,
 688		struct snd_kcontrol *kcontrol, int event)
 689{
 690	twl4030_write(w->codec, TWL4030_REG_VIBRA_SET, 0xff);
 
 
 691	return 0;
 692}
 693
 694static int apll_event(struct snd_soc_dapm_widget *w,
 695		struct snd_kcontrol *kcontrol, int event)
 696{
 
 
 697	switch (event) {
 698	case SND_SOC_DAPM_PRE_PMU:
 699		twl4030_apll_enable(w->codec, 1);
 700		break;
 701	case SND_SOC_DAPM_POST_PMD:
 702		twl4030_apll_enable(w->codec, 0);
 703		break;
 704	}
 705	return 0;
 706}
 707
 708static int aif_event(struct snd_soc_dapm_widget *w,
 709		struct snd_kcontrol *kcontrol, int event)
 710{
 
 711	u8 audio_if;
 712
 713	audio_if = twl4030_read_reg_cache(w->codec, TWL4030_REG_AUDIO_IF);
 714	switch (event) {
 715	case SND_SOC_DAPM_PRE_PMU:
 716		/* Enable AIF */
 717		/* enable the PLL before we use it to clock the DAI */
 718		twl4030_apll_enable(w->codec, 1);
 719
 720		twl4030_write(w->codec, TWL4030_REG_AUDIO_IF,
 721						audio_if | TWL4030_AIF_EN);
 722		break;
 723	case SND_SOC_DAPM_POST_PMD:
 724		/* disable the DAI before we stop it's source PLL */
 725		twl4030_write(w->codec, TWL4030_REG_AUDIO_IF,
 726						audio_if &  ~TWL4030_AIF_EN);
 727		twl4030_apll_enable(w->codec, 0);
 728		break;
 729	}
 730	return 0;
 731}
 732
 733static void headset_ramp(struct snd_soc_codec *codec, int ramp)
 734{
 735	struct twl4030_codec_data *pdata = codec->dev->platform_data;
 736	unsigned char hs_gain, hs_pop;
 737	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
 
 738	/* Base values for ramp delay calculation: 2^19 - 2^26 */
 739	unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304,
 740				    8388608, 16777216, 33554432, 67108864};
 
 
 741	unsigned int delay;
 742
 743	hs_gain = twl4030_read_reg_cache(codec, TWL4030_REG_HS_GAIN_SET);
 744	hs_pop = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET);
 745	delay = (ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] /
 746		twl4030->sysclk) + 1;
 747
 748	/* Enable external mute control, this dramatically reduces
 749	 * the pop-noise */
 750	if (pdata && pdata->hs_extmute) {
 751		if (pdata->set_hs_extmute) {
 752			pdata->set_hs_extmute(1);
 753		} else {
 754			hs_pop |= TWL4030_EXTMUTE;
 755			twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
 756		}
 757	}
 758
 759	if (ramp) {
 760		/* Headset ramp-up according to the TRM */
 761		hs_pop |= TWL4030_VMID_EN;
 762		twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
 763		/* Actually write to the register */
 764		twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
 765					hs_gain,
 766					TWL4030_REG_HS_GAIN_SET);
 767		hs_pop |= TWL4030_RAMP_EN;
 768		twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
 769		/* Wait ramp delay time + 1, so the VMID can settle */
 770		twl4030_wait_ms(delay);
 771	} else {
 772		/* Headset ramp-down _not_ according to
 773		 * the TRM, but in a way that it is working */
 774		hs_pop &= ~TWL4030_RAMP_EN;
 775		twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
 776		/* Wait ramp delay time + 1, so the VMID can settle */
 777		twl4030_wait_ms(delay);
 778		/* Bypass the reg_cache to mute the headset */
 779		twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
 780					hs_gain & (~0x0f),
 781					TWL4030_REG_HS_GAIN_SET);
 782
 783		hs_pop &= ~TWL4030_VMID_EN;
 784		twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
 785	}
 786
 787	/* Disable external mute */
 788	if (pdata && pdata->hs_extmute) {
 789		if (pdata->set_hs_extmute) {
 790			pdata->set_hs_extmute(0);
 791		} else {
 792			hs_pop &= ~TWL4030_EXTMUTE;
 793			twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
 794		}
 795	}
 796}
 797
 798static int headsetlpga_event(struct snd_soc_dapm_widget *w,
 799		struct snd_kcontrol *kcontrol, int event)
 800{
 801	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
 
 802
 803	switch (event) {
 804	case SND_SOC_DAPM_POST_PMU:
 805		/* Do the ramp-up only once */
 806		if (!twl4030->hsr_enabled)
 807			headset_ramp(w->codec, 1);
 808
 809		twl4030->hsl_enabled = 1;
 810		break;
 811	case SND_SOC_DAPM_POST_PMD:
 812		/* Do the ramp-down only if both headsetL/R is disabled */
 813		if (!twl4030->hsr_enabled)
 814			headset_ramp(w->codec, 0);
 815
 816		twl4030->hsl_enabled = 0;
 817		break;
 818	}
 819	return 0;
 820}
 821
 822static int headsetrpga_event(struct snd_soc_dapm_widget *w,
 823		struct snd_kcontrol *kcontrol, int event)
 824{
 825	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
 
 826
 827	switch (event) {
 828	case SND_SOC_DAPM_POST_PMU:
 829		/* Do the ramp-up only once */
 830		if (!twl4030->hsl_enabled)
 831			headset_ramp(w->codec, 1);
 832
 833		twl4030->hsr_enabled = 1;
 834		break;
 835	case SND_SOC_DAPM_POST_PMD:
 836		/* Do the ramp-down only if both headsetL/R is disabled */
 837		if (!twl4030->hsl_enabled)
 838			headset_ramp(w->codec, 0);
 839
 840		twl4030->hsr_enabled = 0;
 841		break;
 842	}
 843	return 0;
 844}
 845
 846static int digimic_event(struct snd_soc_dapm_widget *w,
 847		struct snd_kcontrol *kcontrol, int event)
 848{
 849	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
 
 
 850
 851	if (twl4030->digimic_delay)
 852		twl4030_wait_ms(twl4030->digimic_delay);
 853	return 0;
 854}
 855
 856/*
 857 * Some of the gain controls in TWL (mostly those which are associated with
 858 * the outputs) are implemented in an interesting way:
 859 * 0x0 : Power down (mute)
 860 * 0x1 : 6dB
 861 * 0x2 : 0 dB
 862 * 0x3 : -6 dB
 863 * Inverting not going to help with these.
 864 * Custom volsw and volsw_2r get/put functions to handle these gain bits.
 865 */
 866static int snd_soc_get_volsw_twl4030(struct snd_kcontrol *kcontrol,
 867	struct snd_ctl_elem_value *ucontrol)
 868{
 869	struct soc_mixer_control *mc =
 870		(struct soc_mixer_control *)kcontrol->private_value;
 871	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 872	unsigned int reg = mc->reg;
 873	unsigned int shift = mc->shift;
 874	unsigned int rshift = mc->rshift;
 875	int max = mc->max;
 876	int mask = (1 << fls(max)) - 1;
 877
 878	ucontrol->value.integer.value[0] =
 879		(snd_soc_read(codec, reg) >> shift) & mask;
 880	if (ucontrol->value.integer.value[0])
 881		ucontrol->value.integer.value[0] =
 882			max + 1 - ucontrol->value.integer.value[0];
 883
 884	if (shift != rshift) {
 885		ucontrol->value.integer.value[1] =
 886			(snd_soc_read(codec, reg) >> rshift) & mask;
 887		if (ucontrol->value.integer.value[1])
 888			ucontrol->value.integer.value[1] =
 889				max + 1 - ucontrol->value.integer.value[1];
 890	}
 891
 892	return 0;
 893}
 894
 895static int snd_soc_put_volsw_twl4030(struct snd_kcontrol *kcontrol,
 896	struct snd_ctl_elem_value *ucontrol)
 897{
 898	struct soc_mixer_control *mc =
 899		(struct soc_mixer_control *)kcontrol->private_value;
 900	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 901	unsigned int reg = mc->reg;
 902	unsigned int shift = mc->shift;
 903	unsigned int rshift = mc->rshift;
 904	int max = mc->max;
 905	int mask = (1 << fls(max)) - 1;
 906	unsigned short val, val2, val_mask;
 907
 908	val = (ucontrol->value.integer.value[0] & mask);
 909
 910	val_mask = mask << shift;
 911	if (val)
 912		val = max + 1 - val;
 913	val = val << shift;
 914	if (shift != rshift) {
 915		val2 = (ucontrol->value.integer.value[1] & mask);
 916		val_mask |= mask << rshift;
 917		if (val2)
 918			val2 = max + 1 - val2;
 919		val |= val2 << rshift;
 920	}
 921	return snd_soc_update_bits(codec, reg, val_mask, val);
 922}
 923
 924static int snd_soc_get_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
 925	struct snd_ctl_elem_value *ucontrol)
 926{
 927	struct soc_mixer_control *mc =
 928		(struct soc_mixer_control *)kcontrol->private_value;
 929	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 930	unsigned int reg = mc->reg;
 931	unsigned int reg2 = mc->rreg;
 932	unsigned int shift = mc->shift;
 933	int max = mc->max;
 934	int mask = (1<<fls(max))-1;
 935
 936	ucontrol->value.integer.value[0] =
 937		(snd_soc_read(codec, reg) >> shift) & mask;
 938	ucontrol->value.integer.value[1] =
 939		(snd_soc_read(codec, reg2) >> shift) & mask;
 940
 941	if (ucontrol->value.integer.value[0])
 942		ucontrol->value.integer.value[0] =
 943			max + 1 - ucontrol->value.integer.value[0];
 944	if (ucontrol->value.integer.value[1])
 945		ucontrol->value.integer.value[1] =
 946			max + 1 - ucontrol->value.integer.value[1];
 947
 948	return 0;
 949}
 950
 951static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol,
 952	struct snd_ctl_elem_value *ucontrol)
 953{
 954	struct soc_mixer_control *mc =
 955		(struct soc_mixer_control *)kcontrol->private_value;
 956	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 957	unsigned int reg = mc->reg;
 958	unsigned int reg2 = mc->rreg;
 959	unsigned int shift = mc->shift;
 960	int max = mc->max;
 961	int mask = (1 << fls(max)) - 1;
 962	int err;
 963	unsigned short val, val2, val_mask;
 964
 965	val_mask = mask << shift;
 966	val = (ucontrol->value.integer.value[0] & mask);
 967	val2 = (ucontrol->value.integer.value[1] & mask);
 968
 969	if (val)
 970		val = max + 1 - val;
 971	if (val2)
 972		val2 = max + 1 - val2;
 973
 974	val = val << shift;
 975	val2 = val2 << shift;
 976
 977	err = snd_soc_update_bits(codec, reg, val_mask, val);
 978	if (err < 0)
 979		return err;
 980
 981	err = snd_soc_update_bits(codec, reg2, val_mask, val2);
 982	return err;
 983}
 984
 985/* Codec operation modes */
 986static const char *twl4030_op_modes_texts[] = {
 987	"Option 2 (voice/audio)", "Option 1 (audio)"
 988};
 989
 990static const struct soc_enum twl4030_op_modes_enum =
 991	SOC_ENUM_SINGLE(TWL4030_REG_CODEC_MODE, 0,
 992			ARRAY_SIZE(twl4030_op_modes_texts),
 993			twl4030_op_modes_texts);
 994
 995static int snd_soc_put_twl4030_opmode_enum_double(struct snd_kcontrol *kcontrol,
 996	struct snd_ctl_elem_value *ucontrol)
 997{
 998	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 999	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1000	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
1001	unsigned short val;
1002	unsigned short mask, bitmask;
1003
1004	if (twl4030->configured) {
1005		dev_err(codec->dev,
1006			"operation mode cannot be changed on-the-fly\n");
1007		return -EBUSY;
1008	}
1009
1010	for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
1011		;
1012	if (ucontrol->value.enumerated.item[0] > e->max - 1)
1013		return -EINVAL;
1014
1015	val = ucontrol->value.enumerated.item[0] << e->shift_l;
1016	mask = (bitmask - 1) << e->shift_l;
1017	if (e->shift_l != e->shift_r) {
1018		if (ucontrol->value.enumerated.item[1] > e->max - 1)
1019			return -EINVAL;
1020		val |= ucontrol->value.enumerated.item[1] << e->shift_r;
1021		mask |= (bitmask - 1) << e->shift_r;
1022	}
1023
1024	return snd_soc_update_bits(codec, e->reg, mask, val);
1025}
1026
1027/*
1028 * FGAIN volume control:
1029 * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB)
1030 */
1031static DECLARE_TLV_DB_SCALE(digital_fine_tlv, -6300, 100, 1);
1032
1033/*
1034 * CGAIN volume control:
1035 * 0 dB to 12 dB in 6 dB steps
1036 * value 2 and 3 means 12 dB
1037 */
1038static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0);
1039
1040/*
1041 * Voice Downlink GAIN volume control:
1042 * from -37 to 12 dB in 1 dB steps (mute instead of -37 dB)
1043 */
1044static DECLARE_TLV_DB_SCALE(digital_voice_downlink_tlv, -3700, 100, 1);
1045
1046/*
1047 * Analog playback gain
1048 * -24 dB to 12 dB in 2 dB steps
1049 */
1050static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0);
1051
1052/*
1053 * Gain controls tied to outputs
1054 * -6 dB to 6 dB in 6 dB steps (mute instead of -12)
1055 */
1056static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1);
1057
1058/*
1059 * Gain control for earpiece amplifier
1060 * 0 dB to 12 dB in 6 dB steps (mute instead of -6)
1061 */
1062static DECLARE_TLV_DB_SCALE(output_ear_tvl, -600, 600, 1);
1063
1064/*
1065 * Capture gain after the ADCs
1066 * from 0 dB to 31 dB in 1 dB steps
1067 */
1068static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0);
1069
1070/*
1071 * Gain control for input amplifiers
1072 * 0 dB to 30 dB in 6 dB steps
1073 */
1074static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0);
1075
1076/* AVADC clock priority */
1077static const char *twl4030_avadc_clk_priority_texts[] = {
1078	"Voice high priority", "HiFi high priority"
1079};
1080
1081static const struct soc_enum twl4030_avadc_clk_priority_enum =
1082	SOC_ENUM_SINGLE(TWL4030_REG_AVADC_CTL, 2,
1083			ARRAY_SIZE(twl4030_avadc_clk_priority_texts),
1084			twl4030_avadc_clk_priority_texts);
1085
1086static const char *twl4030_rampdelay_texts[] = {
1087	"27/20/14 ms", "55/40/27 ms", "109/81/55 ms", "218/161/109 ms",
1088	"437/323/218 ms", "874/645/437 ms", "1748/1291/874 ms",
1089	"3495/2581/1748 ms"
1090};
1091
1092static const struct soc_enum twl4030_rampdelay_enum =
1093	SOC_ENUM_SINGLE(TWL4030_REG_HS_POPN_SET, 2,
1094			ARRAY_SIZE(twl4030_rampdelay_texts),
1095			twl4030_rampdelay_texts);
1096
1097/* Vibra H-bridge direction mode */
1098static const char *twl4030_vibradirmode_texts[] = {
1099	"Vibra H-bridge direction", "Audio data MSB",
1100};
1101
1102static const struct soc_enum twl4030_vibradirmode_enum =
1103	SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 5,
1104			ARRAY_SIZE(twl4030_vibradirmode_texts),
1105			twl4030_vibradirmode_texts);
1106
1107/* Vibra H-bridge direction */
1108static const char *twl4030_vibradir_texts[] = {
1109	"Positive polarity", "Negative polarity",
1110};
1111
1112static const struct soc_enum twl4030_vibradir_enum =
1113	SOC_ENUM_SINGLE(TWL4030_REG_VIBRA_CTL, 1,
1114			ARRAY_SIZE(twl4030_vibradir_texts),
1115			twl4030_vibradir_texts);
1116
1117/* Digimic Left and right swapping */
1118static const char *twl4030_digimicswap_texts[] = {
1119	"Not swapped", "Swapped",
1120};
1121
1122static const struct soc_enum twl4030_digimicswap_enum =
1123	SOC_ENUM_SINGLE(TWL4030_REG_MISC_SET_1, 0,
1124			ARRAY_SIZE(twl4030_digimicswap_texts),
1125			twl4030_digimicswap_texts);
1126
1127static const struct snd_kcontrol_new twl4030_snd_controls[] = {
1128	/* Codec operation mode control */
1129	SOC_ENUM_EXT("Codec Operation Mode", twl4030_op_modes_enum,
1130		snd_soc_get_enum_double,
1131		snd_soc_put_twl4030_opmode_enum_double),
1132
1133	/* Common playback gain controls */
1134	SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume",
1135		TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA,
1136		0, 0x3f, 0, digital_fine_tlv),
1137	SOC_DOUBLE_R_TLV("DAC2 Digital Fine Playback Volume",
1138		TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,
1139		0, 0x3f, 0, digital_fine_tlv),
1140
1141	SOC_DOUBLE_R_TLV("DAC1 Digital Coarse Playback Volume",
1142		TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA,
1143		6, 0x2, 0, digital_coarse_tlv),
1144	SOC_DOUBLE_R_TLV("DAC2 Digital Coarse Playback Volume",
1145		TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA,
1146		6, 0x2, 0, digital_coarse_tlv),
1147
1148	SOC_DOUBLE_R_TLV("DAC1 Analog Playback Volume",
1149		TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL,
1150		3, 0x12, 1, analog_tlv),
1151	SOC_DOUBLE_R_TLV("DAC2 Analog Playback Volume",
1152		TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
1153		3, 0x12, 1, analog_tlv),
1154	SOC_DOUBLE_R("DAC1 Analog Playback Switch",
1155		TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL,
1156		1, 1, 0),
1157	SOC_DOUBLE_R("DAC2 Analog Playback Switch",
1158		TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL,
1159		1, 1, 0),
1160
1161	/* Common voice downlink gain controls */
1162	SOC_SINGLE_TLV("DAC Voice Digital Downlink Volume",
1163		TWL4030_REG_VRXPGA, 0, 0x31, 0, digital_voice_downlink_tlv),
1164
1165	SOC_SINGLE_TLV("DAC Voice Analog Downlink Volume",
1166		TWL4030_REG_VDL_APGA_CTL, 3, 0x12, 1, analog_tlv),
1167
1168	SOC_SINGLE("DAC Voice Analog Downlink Switch",
1169		TWL4030_REG_VDL_APGA_CTL, 1, 1, 0),
1170
1171	/* Separate output gain controls */
1172	SOC_DOUBLE_R_EXT_TLV("PreDriv Playback Volume",
1173		TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL,
1174		4, 3, 0, snd_soc_get_volsw_r2_twl4030,
1175		snd_soc_put_volsw_r2_twl4030, output_tvl),
1176
1177	SOC_DOUBLE_EXT_TLV("Headset Playback Volume",
1178		TWL4030_REG_HS_GAIN_SET, 0, 2, 3, 0, snd_soc_get_volsw_twl4030,
1179		snd_soc_put_volsw_twl4030, output_tvl),
1180
1181	SOC_DOUBLE_R_EXT_TLV("Carkit Playback Volume",
1182		TWL4030_REG_PRECKL_CTL, TWL4030_REG_PRECKR_CTL,
1183		4, 3, 0, snd_soc_get_volsw_r2_twl4030,
1184		snd_soc_put_volsw_r2_twl4030, output_tvl),
1185
1186	SOC_SINGLE_EXT_TLV("Earpiece Playback Volume",
1187		TWL4030_REG_EAR_CTL, 4, 3, 0, snd_soc_get_volsw_twl4030,
1188		snd_soc_put_volsw_twl4030, output_ear_tvl),
1189
1190	/* Common capture gain controls */
1191	SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume",
1192		TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA,
1193		0, 0x1f, 0, digital_capture_tlv),
1194	SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume",
1195		TWL4030_REG_AVTXL2PGA, TWL4030_REG_AVTXR2PGA,
1196		0, 0x1f, 0, digital_capture_tlv),
1197
1198	SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN,
1199		0, 3, 5, 0, input_gain_tlv),
1200
1201	SOC_ENUM("AVADC Clock Priority", twl4030_avadc_clk_priority_enum),
1202
1203	SOC_ENUM("HS ramp delay", twl4030_rampdelay_enum),
1204
1205	SOC_ENUM("Vibra H-bridge mode", twl4030_vibradirmode_enum),
1206	SOC_ENUM("Vibra H-bridge direction", twl4030_vibradir_enum),
1207
1208	SOC_ENUM("Digimic LR Swap", twl4030_digimicswap_enum),
1209};
1210
1211static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
1212	/* Left channel inputs */
1213	SND_SOC_DAPM_INPUT("MAINMIC"),
1214	SND_SOC_DAPM_INPUT("HSMIC"),
1215	SND_SOC_DAPM_INPUT("AUXL"),
1216	SND_SOC_DAPM_INPUT("CARKITMIC"),
1217	/* Right channel inputs */
1218	SND_SOC_DAPM_INPUT("SUBMIC"),
1219	SND_SOC_DAPM_INPUT("AUXR"),
1220	/* Digital microphones (Stereo) */
1221	SND_SOC_DAPM_INPUT("DIGIMIC0"),
1222	SND_SOC_DAPM_INPUT("DIGIMIC1"),
1223
1224	/* Outputs */
1225	SND_SOC_DAPM_OUTPUT("EARPIECE"),
1226	SND_SOC_DAPM_OUTPUT("PREDRIVEL"),
1227	SND_SOC_DAPM_OUTPUT("PREDRIVER"),
1228	SND_SOC_DAPM_OUTPUT("HSOL"),
1229	SND_SOC_DAPM_OUTPUT("HSOR"),
1230	SND_SOC_DAPM_OUTPUT("CARKITL"),
1231	SND_SOC_DAPM_OUTPUT("CARKITR"),
1232	SND_SOC_DAPM_OUTPUT("HFL"),
1233	SND_SOC_DAPM_OUTPUT("HFR"),
1234	SND_SOC_DAPM_OUTPUT("VIBRA"),
1235
1236	/* AIF and APLL clocks for running DAIs (including loopback) */
1237	SND_SOC_DAPM_OUTPUT("Virtual HiFi OUT"),
1238	SND_SOC_DAPM_INPUT("Virtual HiFi IN"),
1239	SND_SOC_DAPM_OUTPUT("Virtual Voice OUT"),
1240
1241	/* DACs */
1242	SND_SOC_DAPM_DAC("DAC Right1", "Right Front HiFi Playback",
1243			SND_SOC_NOPM, 0, 0),
1244	SND_SOC_DAPM_DAC("DAC Left1", "Left Front HiFi Playback",
1245			SND_SOC_NOPM, 0, 0),
1246	SND_SOC_DAPM_DAC("DAC Right2", "Right Rear HiFi Playback",
1247			SND_SOC_NOPM, 0, 0),
1248	SND_SOC_DAPM_DAC("DAC Left2", "Left Rear HiFi Playback",
1249			SND_SOC_NOPM, 0, 0),
1250	SND_SOC_DAPM_DAC("DAC Voice", "Voice Playback",
1251			SND_SOC_NOPM, 0, 0),
1252
1253	/* Analog bypasses */
1254	SND_SOC_DAPM_SWITCH("Right1 Analog Loopback", SND_SOC_NOPM, 0, 0,
1255			&twl4030_dapm_abypassr1_control),
1256	SND_SOC_DAPM_SWITCH("Left1 Analog Loopback", SND_SOC_NOPM, 0, 0,
1257			&twl4030_dapm_abypassl1_control),
1258	SND_SOC_DAPM_SWITCH("Right2 Analog Loopback", SND_SOC_NOPM, 0, 0,
1259			&twl4030_dapm_abypassr2_control),
1260	SND_SOC_DAPM_SWITCH("Left2 Analog Loopback", SND_SOC_NOPM, 0, 0,
1261			&twl4030_dapm_abypassl2_control),
1262	SND_SOC_DAPM_SWITCH("Voice Analog Loopback", SND_SOC_NOPM, 0, 0,
1263			&twl4030_dapm_abypassv_control),
1264
1265	/* Master analog loopback switch */
1266	SND_SOC_DAPM_SUPPLY("FM Loop Enable", TWL4030_REG_MISC_SET_1, 5, 0,
1267			    NULL, 0),
1268
1269	/* Digital bypasses */
1270	SND_SOC_DAPM_SWITCH("Left Digital Loopback", SND_SOC_NOPM, 0, 0,
1271			&twl4030_dapm_dbypassl_control),
1272	SND_SOC_DAPM_SWITCH("Right Digital Loopback", SND_SOC_NOPM, 0, 0,
1273			&twl4030_dapm_dbypassr_control),
1274	SND_SOC_DAPM_SWITCH("Voice Digital Loopback", SND_SOC_NOPM, 0, 0,
1275			&twl4030_dapm_dbypassv_control),
1276
1277	/* Digital mixers, power control for the physical DACs */
1278	SND_SOC_DAPM_MIXER("Digital R1 Playback Mixer",
1279			TWL4030_REG_AVDAC_CTL, 0, 0, NULL, 0),
1280	SND_SOC_DAPM_MIXER("Digital L1 Playback Mixer",
1281			TWL4030_REG_AVDAC_CTL, 1, 0, NULL, 0),
1282	SND_SOC_DAPM_MIXER("Digital R2 Playback Mixer",
1283			TWL4030_REG_AVDAC_CTL, 2, 0, NULL, 0),
1284	SND_SOC_DAPM_MIXER("Digital L2 Playback Mixer",
1285			TWL4030_REG_AVDAC_CTL, 3, 0, NULL, 0),
1286	SND_SOC_DAPM_MIXER("Digital Voice Playback Mixer",
1287			TWL4030_REG_AVDAC_CTL, 4, 0, NULL, 0),
1288
1289	/* Analog mixers, power control for the physical PGAs */
1290	SND_SOC_DAPM_MIXER("Analog R1 Playback Mixer",
1291			TWL4030_REG_ARXR1_APGA_CTL, 0, 0, NULL, 0),
1292	SND_SOC_DAPM_MIXER("Analog L1 Playback Mixer",
1293			TWL4030_REG_ARXL1_APGA_CTL, 0, 0, NULL, 0),
1294	SND_SOC_DAPM_MIXER("Analog R2 Playback Mixer",
1295			TWL4030_REG_ARXR2_APGA_CTL, 0, 0, NULL, 0),
1296	SND_SOC_DAPM_MIXER("Analog L2 Playback Mixer",
1297			TWL4030_REG_ARXL2_APGA_CTL, 0, 0, NULL, 0),
1298	SND_SOC_DAPM_MIXER("Analog Voice Playback Mixer",
1299			TWL4030_REG_VDL_APGA_CTL, 0, 0, NULL, 0),
1300
1301	SND_SOC_DAPM_SUPPLY("APLL Enable", SND_SOC_NOPM, 0, 0, apll_event,
1302			    SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD),
1303
1304	SND_SOC_DAPM_SUPPLY("AIF Enable", SND_SOC_NOPM, 0, 0, aif_event,
1305			    SND_SOC_DAPM_PRE_PMU|SND_SOC_DAPM_POST_PMD),
1306
1307	/* Output MIXER controls */
1308	/* Earpiece */
1309	SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
1310			&twl4030_dapm_earpiece_controls[0],
1311			ARRAY_SIZE(twl4030_dapm_earpiece_controls)),
1312	SND_SOC_DAPM_PGA_E("Earpiece PGA", SND_SOC_NOPM,
1313			0, 0, NULL, 0, earpiecepga_event,
1314			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1315	/* PreDrivL/R */
1316	SND_SOC_DAPM_MIXER("PredriveL Mixer", SND_SOC_NOPM, 0, 0,
1317			&twl4030_dapm_predrivel_controls[0],
1318			ARRAY_SIZE(twl4030_dapm_predrivel_controls)),
1319	SND_SOC_DAPM_PGA_E("PredriveL PGA", SND_SOC_NOPM,
1320			0, 0, NULL, 0, predrivelpga_event,
1321			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1322	SND_SOC_DAPM_MIXER("PredriveR Mixer", SND_SOC_NOPM, 0, 0,
1323			&twl4030_dapm_predriver_controls[0],
1324			ARRAY_SIZE(twl4030_dapm_predriver_controls)),
1325	SND_SOC_DAPM_PGA_E("PredriveR PGA", SND_SOC_NOPM,
1326			0, 0, NULL, 0, predriverpga_event,
1327			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1328	/* HeadsetL/R */
1329	SND_SOC_DAPM_MIXER("HeadsetL Mixer", SND_SOC_NOPM, 0, 0,
1330			&twl4030_dapm_hsol_controls[0],
1331			ARRAY_SIZE(twl4030_dapm_hsol_controls)),
1332	SND_SOC_DAPM_PGA_E("HeadsetL PGA", SND_SOC_NOPM,
1333			0, 0, NULL, 0, headsetlpga_event,
1334			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1335	SND_SOC_DAPM_MIXER("HeadsetR Mixer", SND_SOC_NOPM, 0, 0,
1336			&twl4030_dapm_hsor_controls[0],
1337			ARRAY_SIZE(twl4030_dapm_hsor_controls)),
1338	SND_SOC_DAPM_PGA_E("HeadsetR PGA", SND_SOC_NOPM,
1339			0, 0, NULL, 0, headsetrpga_event,
1340			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1341	/* CarkitL/R */
1342	SND_SOC_DAPM_MIXER("CarkitL Mixer", SND_SOC_NOPM, 0, 0,
1343			&twl4030_dapm_carkitl_controls[0],
1344			ARRAY_SIZE(twl4030_dapm_carkitl_controls)),
1345	SND_SOC_DAPM_PGA_E("CarkitL PGA", SND_SOC_NOPM,
1346			0, 0, NULL, 0, carkitlpga_event,
1347			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1348	SND_SOC_DAPM_MIXER("CarkitR Mixer", SND_SOC_NOPM, 0, 0,
1349			&twl4030_dapm_carkitr_controls[0],
1350			ARRAY_SIZE(twl4030_dapm_carkitr_controls)),
1351	SND_SOC_DAPM_PGA_E("CarkitR PGA", SND_SOC_NOPM,
1352			0, 0, NULL, 0, carkitrpga_event,
1353			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1354
1355	/* Output MUX controls */
1356	/* HandsfreeL/R */
1357	SND_SOC_DAPM_MUX("HandsfreeL Mux", SND_SOC_NOPM, 0, 0,
1358		&twl4030_dapm_handsfreel_control),
1359	SND_SOC_DAPM_SWITCH("HandsfreeL", SND_SOC_NOPM, 0, 0,
1360			&twl4030_dapm_handsfreelmute_control),
1361	SND_SOC_DAPM_PGA_E("HandsfreeL PGA", SND_SOC_NOPM,
1362			0, 0, NULL, 0, handsfreelpga_event,
1363			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1364	SND_SOC_DAPM_MUX("HandsfreeR Mux", SND_SOC_NOPM, 5, 0,
1365		&twl4030_dapm_handsfreer_control),
1366	SND_SOC_DAPM_SWITCH("HandsfreeR", SND_SOC_NOPM, 0, 0,
1367			&twl4030_dapm_handsfreermute_control),
1368	SND_SOC_DAPM_PGA_E("HandsfreeR PGA", SND_SOC_NOPM,
1369			0, 0, NULL, 0, handsfreerpga_event,
1370			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD),
1371	/* Vibra */
1372	SND_SOC_DAPM_MUX_E("Vibra Mux", TWL4030_REG_VIBRA_CTL, 0, 0,
1373			   &twl4030_dapm_vibra_control, vibramux_event,
1374			   SND_SOC_DAPM_PRE_PMU),
1375	SND_SOC_DAPM_MUX("Vibra Route", SND_SOC_NOPM, 0, 0,
1376		&twl4030_dapm_vibrapath_control),
1377
1378	/* Introducing four virtual ADC, since TWL4030 have four channel for
1379	   capture */
1380	SND_SOC_DAPM_ADC("ADC Virtual Left1", "Left Front Capture",
1381		SND_SOC_NOPM, 0, 0),
1382	SND_SOC_DAPM_ADC("ADC Virtual Right1", "Right Front Capture",
1383		SND_SOC_NOPM, 0, 0),
1384	SND_SOC_DAPM_ADC("ADC Virtual Left2", "Left Rear Capture",
1385		SND_SOC_NOPM, 0, 0),
1386	SND_SOC_DAPM_ADC("ADC Virtual Right2", "Right Rear Capture",
1387		SND_SOC_NOPM, 0, 0),
1388
1389	/* Analog/Digital mic path selection.
1390	   TX1 Left/Right: either analog Left/Right or Digimic0
1391	   TX2 Left/Right: either analog Left/Right or Digimic1 */
1392	SND_SOC_DAPM_MUX("TX1 Capture Route", SND_SOC_NOPM, 0, 0,
1393		&twl4030_dapm_micpathtx1_control),
1394	SND_SOC_DAPM_MUX("TX2 Capture Route", SND_SOC_NOPM, 0, 0,
1395		&twl4030_dapm_micpathtx2_control),
1396
1397	/* Analog input mixers for the capture amplifiers */
1398	SND_SOC_DAPM_MIXER("Analog Left",
1399		TWL4030_REG_ANAMICL, 4, 0,
1400		&twl4030_dapm_analoglmic_controls[0],
1401		ARRAY_SIZE(twl4030_dapm_analoglmic_controls)),
1402	SND_SOC_DAPM_MIXER("Analog Right",
1403		TWL4030_REG_ANAMICR, 4, 0,
1404		&twl4030_dapm_analogrmic_controls[0],
1405		ARRAY_SIZE(twl4030_dapm_analogrmic_controls)),
1406
1407	SND_SOC_DAPM_PGA("ADC Physical Left",
1408		TWL4030_REG_AVADC_CTL, 3, 0, NULL, 0),
1409	SND_SOC_DAPM_PGA("ADC Physical Right",
1410		TWL4030_REG_AVADC_CTL, 1, 0, NULL, 0),
1411
1412	SND_SOC_DAPM_PGA_E("Digimic0 Enable",
1413		TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0,
1414		digimic_event, SND_SOC_DAPM_POST_PMU),
1415	SND_SOC_DAPM_PGA_E("Digimic1 Enable",
1416		TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0,
1417		digimic_event, SND_SOC_DAPM_POST_PMU),
1418
1419	SND_SOC_DAPM_SUPPLY("micbias1 select", TWL4030_REG_MICBIAS_CTL, 5, 0,
1420			    NULL, 0),
1421	SND_SOC_DAPM_SUPPLY("micbias2 select", TWL4030_REG_MICBIAS_CTL, 6, 0,
1422			    NULL, 0),
1423
1424	SND_SOC_DAPM_MICBIAS("Mic Bias 1", TWL4030_REG_MICBIAS_CTL, 0, 0),
1425	SND_SOC_DAPM_MICBIAS("Mic Bias 2", TWL4030_REG_MICBIAS_CTL, 1, 0),
1426	SND_SOC_DAPM_MICBIAS("Headset Mic Bias", TWL4030_REG_MICBIAS_CTL, 2, 0),
 
 
 
 
1427
 
1428};
1429
1430static const struct snd_soc_dapm_route intercon[] = {
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1431	{"Digital L1 Playback Mixer", NULL, "DAC Left1"},
1432	{"Digital R1 Playback Mixer", NULL, "DAC Right1"},
1433	{"Digital L2 Playback Mixer", NULL, "DAC Left2"},
1434	{"Digital R2 Playback Mixer", NULL, "DAC Right2"},
1435	{"Digital Voice Playback Mixer", NULL, "DAC Voice"},
1436
1437	/* Supply for the digital part (APLL) */
1438	{"Digital Voice Playback Mixer", NULL, "APLL Enable"},
1439
1440	{"DAC Left1", NULL, "AIF Enable"},
1441	{"DAC Right1", NULL, "AIF Enable"},
1442	{"DAC Left2", NULL, "AIF Enable"},
1443	{"DAC Right1", NULL, "AIF Enable"},
 
1444
1445	{"Digital R2 Playback Mixer", NULL, "AIF Enable"},
1446	{"Digital L2 Playback Mixer", NULL, "AIF Enable"},
1447
1448	{"Analog L1 Playback Mixer", NULL, "Digital L1 Playback Mixer"},
1449	{"Analog R1 Playback Mixer", NULL, "Digital R1 Playback Mixer"},
1450	{"Analog L2 Playback Mixer", NULL, "Digital L2 Playback Mixer"},
1451	{"Analog R2 Playback Mixer", NULL, "Digital R2 Playback Mixer"},
1452	{"Analog Voice Playback Mixer", NULL, "Digital Voice Playback Mixer"},
1453
1454	/* Internal playback routings */
1455	/* Earpiece */
1456	{"Earpiece Mixer", "Voice", "Analog Voice Playback Mixer"},
1457	{"Earpiece Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1458	{"Earpiece Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1459	{"Earpiece Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1460	{"Earpiece PGA", NULL, "Earpiece Mixer"},
1461	/* PreDrivL */
1462	{"PredriveL Mixer", "Voice", "Analog Voice Playback Mixer"},
1463	{"PredriveL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1464	{"PredriveL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1465	{"PredriveL Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1466	{"PredriveL PGA", NULL, "PredriveL Mixer"},
1467	/* PreDrivR */
1468	{"PredriveR Mixer", "Voice", "Analog Voice Playback Mixer"},
1469	{"PredriveR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1470	{"PredriveR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1471	{"PredriveR Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1472	{"PredriveR PGA", NULL, "PredriveR Mixer"},
1473	/* HeadsetL */
1474	{"HeadsetL Mixer", "Voice", "Analog Voice Playback Mixer"},
1475	{"HeadsetL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1476	{"HeadsetL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1477	{"HeadsetL PGA", NULL, "HeadsetL Mixer"},
1478	/* HeadsetR */
1479	{"HeadsetR Mixer", "Voice", "Analog Voice Playback Mixer"},
1480	{"HeadsetR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1481	{"HeadsetR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1482	{"HeadsetR PGA", NULL, "HeadsetR Mixer"},
1483	/* CarkitL */
1484	{"CarkitL Mixer", "Voice", "Analog Voice Playback Mixer"},
1485	{"CarkitL Mixer", "AudioL1", "Analog L1 Playback Mixer"},
1486	{"CarkitL Mixer", "AudioL2", "Analog L2 Playback Mixer"},
1487	{"CarkitL PGA", NULL, "CarkitL Mixer"},
1488	/* CarkitR */
1489	{"CarkitR Mixer", "Voice", "Analog Voice Playback Mixer"},
1490	{"CarkitR Mixer", "AudioR1", "Analog R1 Playback Mixer"},
1491	{"CarkitR Mixer", "AudioR2", "Analog R2 Playback Mixer"},
1492	{"CarkitR PGA", NULL, "CarkitR Mixer"},
1493	/* HandsfreeL */
1494	{"HandsfreeL Mux", "Voice", "Analog Voice Playback Mixer"},
1495	{"HandsfreeL Mux", "AudioL1", "Analog L1 Playback Mixer"},
1496	{"HandsfreeL Mux", "AudioL2", "Analog L2 Playback Mixer"},
1497	{"HandsfreeL Mux", "AudioR2", "Analog R2 Playback Mixer"},
1498	{"HandsfreeL", "Switch", "HandsfreeL Mux"},
1499	{"HandsfreeL PGA", NULL, "HandsfreeL"},
1500	/* HandsfreeR */
1501	{"HandsfreeR Mux", "Voice", "Analog Voice Playback Mixer"},
1502	{"HandsfreeR Mux", "AudioR1", "Analog R1 Playback Mixer"},
1503	{"HandsfreeR Mux", "AudioR2", "Analog R2 Playback Mixer"},
1504	{"HandsfreeR Mux", "AudioL2", "Analog L2 Playback Mixer"},
1505	{"HandsfreeR", "Switch", "HandsfreeR Mux"},
1506	{"HandsfreeR PGA", NULL, "HandsfreeR"},
1507	/* Vibra */
1508	{"Vibra Mux", "AudioL1", "DAC Left1"},
1509	{"Vibra Mux", "AudioR1", "DAC Right1"},
1510	{"Vibra Mux", "AudioL2", "DAC Left2"},
1511	{"Vibra Mux", "AudioR2", "DAC Right2"},
1512
1513	/* outputs */
1514	/* Must be always connected (for AIF and APLL) */
1515	{"Virtual HiFi OUT", NULL, "DAC Left1"},
1516	{"Virtual HiFi OUT", NULL, "DAC Right1"},
1517	{"Virtual HiFi OUT", NULL, "DAC Left2"},
1518	{"Virtual HiFi OUT", NULL, "DAC Right2"},
1519	/* Must be always connected (for APLL) */
1520	{"Virtual Voice OUT", NULL, "Digital Voice Playback Mixer"},
1521	/* Physical outputs */
1522	{"EARPIECE", NULL, "Earpiece PGA"},
1523	{"PREDRIVEL", NULL, "PredriveL PGA"},
1524	{"PREDRIVER", NULL, "PredriveR PGA"},
1525	{"HSOL", NULL, "HeadsetL PGA"},
1526	{"HSOR", NULL, "HeadsetR PGA"},
1527	{"CARKITL", NULL, "CarkitL PGA"},
1528	{"CARKITR", NULL, "CarkitR PGA"},
1529	{"HFL", NULL, "HandsfreeL PGA"},
1530	{"HFR", NULL, "HandsfreeR PGA"},
1531	{"Vibra Route", "Audio", "Vibra Mux"},
1532	{"VIBRA", NULL, "Vibra Route"},
1533
1534	/* Capture path */
1535	/* Must be always connected (for AIF and APLL) */
1536	{"ADC Virtual Left1", NULL, "Virtual HiFi IN"},
1537	{"ADC Virtual Right1", NULL, "Virtual HiFi IN"},
1538	{"ADC Virtual Left2", NULL, "Virtual HiFi IN"},
1539	{"ADC Virtual Right2", NULL, "Virtual HiFi IN"},
1540	/* Physical inputs */
1541	{"Analog Left", "Main Mic Capture Switch", "MAINMIC"},
1542	{"Analog Left", "Headset Mic Capture Switch", "HSMIC"},
1543	{"Analog Left", "AUXL Capture Switch", "AUXL"},
1544	{"Analog Left", "Carkit Mic Capture Switch", "CARKITMIC"},
1545
1546	{"Analog Right", "Sub Mic Capture Switch", "SUBMIC"},
1547	{"Analog Right", "AUXR Capture Switch", "AUXR"},
1548
1549	{"ADC Physical Left", NULL, "Analog Left"},
1550	{"ADC Physical Right", NULL, "Analog Right"},
1551
1552	{"Digimic0 Enable", NULL, "DIGIMIC0"},
1553	{"Digimic1 Enable", NULL, "DIGIMIC1"},
1554
1555	{"DIGIMIC0", NULL, "micbias1 select"},
1556	{"DIGIMIC1", NULL, "micbias2 select"},
1557
1558	/* TX1 Left capture path */
1559	{"TX1 Capture Route", "Analog", "ADC Physical Left"},
1560	{"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
1561	/* TX1 Right capture path */
1562	{"TX1 Capture Route", "Analog", "ADC Physical Right"},
1563	{"TX1 Capture Route", "Digimic0", "Digimic0 Enable"},
1564	/* TX2 Left capture path */
1565	{"TX2 Capture Route", "Analog", "ADC Physical Left"},
1566	{"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
1567	/* TX2 Right capture path */
1568	{"TX2 Capture Route", "Analog", "ADC Physical Right"},
1569	{"TX2 Capture Route", "Digimic1", "Digimic1 Enable"},
1570
1571	{"ADC Virtual Left1", NULL, "TX1 Capture Route"},
1572	{"ADC Virtual Right1", NULL, "TX1 Capture Route"},
1573	{"ADC Virtual Left2", NULL, "TX2 Capture Route"},
1574	{"ADC Virtual Right2", NULL, "TX2 Capture Route"},
1575
1576	{"ADC Virtual Left1", NULL, "AIF Enable"},
1577	{"ADC Virtual Right1", NULL, "AIF Enable"},
1578	{"ADC Virtual Left2", NULL, "AIF Enable"},
1579	{"ADC Virtual Right2", NULL, "AIF Enable"},
1580
1581	/* Analog bypass routes */
1582	{"Right1 Analog Loopback", "Switch", "Analog Right"},
1583	{"Left1 Analog Loopback", "Switch", "Analog Left"},
1584	{"Right2 Analog Loopback", "Switch", "Analog Right"},
1585	{"Left2 Analog Loopback", "Switch", "Analog Left"},
1586	{"Voice Analog Loopback", "Switch", "Analog Left"},
1587
1588	/* Supply for the Analog loopbacks */
1589	{"Right1 Analog Loopback", NULL, "FM Loop Enable"},
1590	{"Left1 Analog Loopback", NULL, "FM Loop Enable"},
1591	{"Right2 Analog Loopback", NULL, "FM Loop Enable"},
1592	{"Left2 Analog Loopback", NULL, "FM Loop Enable"},
1593	{"Voice Analog Loopback", NULL, "FM Loop Enable"},
1594
1595	{"Analog R1 Playback Mixer", NULL, "Right1 Analog Loopback"},
1596	{"Analog L1 Playback Mixer", NULL, "Left1 Analog Loopback"},
1597	{"Analog R2 Playback Mixer", NULL, "Right2 Analog Loopback"},
1598	{"Analog L2 Playback Mixer", NULL, "Left2 Analog Loopback"},
1599	{"Analog Voice Playback Mixer", NULL, "Voice Analog Loopback"},
1600
1601	/* Digital bypass routes */
1602	{"Right Digital Loopback", "Volume", "TX1 Capture Route"},
1603	{"Left Digital Loopback", "Volume", "TX1 Capture Route"},
1604	{"Voice Digital Loopback", "Volume", "TX2 Capture Route"},
1605
1606	{"Digital R2 Playback Mixer", NULL, "Right Digital Loopback"},
1607	{"Digital L2 Playback Mixer", NULL, "Left Digital Loopback"},
1608	{"Digital Voice Playback Mixer", NULL, "Voice Digital Loopback"},
1609
1610};
1611
1612static int twl4030_set_bias_level(struct snd_soc_codec *codec,
1613				  enum snd_soc_bias_level level)
1614{
1615	switch (level) {
1616	case SND_SOC_BIAS_ON:
1617		break;
1618	case SND_SOC_BIAS_PREPARE:
1619		break;
1620	case SND_SOC_BIAS_STANDBY:
1621		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
1622			twl4030_codec_enable(codec, 1);
1623		break;
1624	case SND_SOC_BIAS_OFF:
1625		twl4030_codec_enable(codec, 0);
1626		break;
1627	}
1628	codec->dapm.bias_level = level;
1629
1630	return 0;
1631}
1632
1633static void twl4030_constraints(struct twl4030_priv *twl4030,
1634				struct snd_pcm_substream *mst_substream)
1635{
1636	struct snd_pcm_substream *slv_substream;
1637
1638	/* Pick the stream, which need to be constrained */
1639	if (mst_substream == twl4030->master_substream)
1640		slv_substream = twl4030->slave_substream;
1641	else if (mst_substream == twl4030->slave_substream)
1642		slv_substream = twl4030->master_substream;
1643	else /* This should not happen.. */
1644		return;
1645
1646	/* Set the constraints according to the already configured stream */
1647	snd_pcm_hw_constraint_minmax(slv_substream->runtime,
1648				SNDRV_PCM_HW_PARAM_RATE,
1649				twl4030->rate,
1650				twl4030->rate);
1651
1652	snd_pcm_hw_constraint_minmax(slv_substream->runtime,
1653				SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
1654				twl4030->sample_bits,
1655				twl4030->sample_bits);
1656
1657	snd_pcm_hw_constraint_minmax(slv_substream->runtime,
1658				SNDRV_PCM_HW_PARAM_CHANNELS,
1659				twl4030->channels,
1660				twl4030->channels);
1661}
1662
1663/* In case of 4 channel mode, the RX1 L/R for playback and the TX2 L/R for
1664 * capture has to be enabled/disabled. */
1665static void twl4030_tdm_enable(struct snd_soc_codec *codec, int direction,
1666				int enable)
1667{
1668	u8 reg, mask;
1669
1670	reg = twl4030_read_reg_cache(codec, TWL4030_REG_OPTION);
1671
1672	if (direction == SNDRV_PCM_STREAM_PLAYBACK)
1673		mask = TWL4030_ARXL1_VRX_EN | TWL4030_ARXR1_EN;
1674	else
1675		mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN;
1676
1677	if (enable)
1678		reg |= mask;
1679	else
1680		reg &= ~mask;
1681
1682	twl4030_write(codec, TWL4030_REG_OPTION, reg);
1683}
1684
1685static int twl4030_startup(struct snd_pcm_substream *substream,
1686			   struct snd_soc_dai *dai)
1687{
1688	struct snd_soc_codec *codec = dai->codec;
1689	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1690
1691	if (twl4030->master_substream) {
1692		twl4030->slave_substream = substream;
1693		/* The DAI has one configuration for playback and capture, so
1694		 * if the DAI has been already configured then constrain this
1695		 * substream to match it. */
1696		if (twl4030->configured)
1697			twl4030_constraints(twl4030, twl4030->master_substream);
1698	} else {
1699		if (!(twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE) &
1700			TWL4030_OPTION_1)) {
1701			/* In option2 4 channel is not supported, set the
1702			 * constraint for the first stream for channels, the
1703			 * second stream will 'inherit' this cosntraint */
1704			snd_pcm_hw_constraint_minmax(substream->runtime,
1705						SNDRV_PCM_HW_PARAM_CHANNELS,
1706						2, 2);
1707		}
1708		twl4030->master_substream = substream;
1709	}
1710
1711	return 0;
1712}
1713
1714static void twl4030_shutdown(struct snd_pcm_substream *substream,
1715			     struct snd_soc_dai *dai)
1716{
1717	struct snd_soc_codec *codec = dai->codec;
1718	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1719
1720	if (twl4030->master_substream == substream)
1721		twl4030->master_substream = twl4030->slave_substream;
1722
1723	twl4030->slave_substream = NULL;
1724
1725	/* If all streams are closed, or the remaining stream has not yet
1726	 * been configured than set the DAI as not configured. */
1727	if (!twl4030->master_substream)
1728		twl4030->configured = 0;
1729	 else if (!twl4030->master_substream->runtime->channels)
1730		twl4030->configured = 0;
1731
1732	 /* If the closing substream had 4 channel, do the necessary cleanup */
1733	if (substream->runtime->channels == 4)
1734		twl4030_tdm_enable(codec, substream->stream, 0);
1735}
1736
1737static int twl4030_hw_params(struct snd_pcm_substream *substream,
1738			   struct snd_pcm_hw_params *params,
1739			   struct snd_soc_dai *dai)
1740{
1741	struct snd_soc_codec *codec = dai->codec;
1742	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1743	u8 mode, old_mode, format, old_format;
1744
1745	 /* If the substream has 4 channel, do the necessary setup */
1746	if (params_channels(params) == 4) {
1747		format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF);
1748		mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE);
1749
1750		/* Safety check: are we in the correct operating mode and
1751		 * the interface is in TDM mode? */
1752		if ((mode & TWL4030_OPTION_1) &&
1753		    ((format & TWL4030_AIF_FORMAT) == TWL4030_AIF_FORMAT_TDM))
1754			twl4030_tdm_enable(codec, substream->stream, 1);
1755		else
1756			return -EINVAL;
1757	}
1758
1759	if (twl4030->configured)
1760		/* Ignoring hw_params for already configured DAI */
1761		return 0;
1762
1763	/* bit rate */
1764	old_mode = twl4030_read_reg_cache(codec,
1765			TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ;
1766	mode = old_mode & ~TWL4030_APLL_RATE;
1767
1768	switch (params_rate(params)) {
1769	case 8000:
1770		mode |= TWL4030_APLL_RATE_8000;
1771		break;
1772	case 11025:
1773		mode |= TWL4030_APLL_RATE_11025;
1774		break;
1775	case 12000:
1776		mode |= TWL4030_APLL_RATE_12000;
1777		break;
1778	case 16000:
1779		mode |= TWL4030_APLL_RATE_16000;
1780		break;
1781	case 22050:
1782		mode |= TWL4030_APLL_RATE_22050;
1783		break;
1784	case 24000:
1785		mode |= TWL4030_APLL_RATE_24000;
1786		break;
1787	case 32000:
1788		mode |= TWL4030_APLL_RATE_32000;
1789		break;
1790	case 44100:
1791		mode |= TWL4030_APLL_RATE_44100;
1792		break;
1793	case 48000:
1794		mode |= TWL4030_APLL_RATE_48000;
1795		break;
1796	case 96000:
1797		mode |= TWL4030_APLL_RATE_96000;
1798		break;
1799	default:
1800		dev_err(codec->dev, "%s: unknown rate %d\n", __func__,
1801			params_rate(params));
1802		return -EINVAL;
1803	}
1804
1805	/* sample size */
1806	old_format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF);
1807	format = old_format;
1808	format &= ~TWL4030_DATA_WIDTH;
1809	switch (params_format(params)) {
1810	case SNDRV_PCM_FORMAT_S16_LE:
1811		format |= TWL4030_DATA_WIDTH_16S_16W;
1812		break;
1813	case SNDRV_PCM_FORMAT_S32_LE:
1814		format |= TWL4030_DATA_WIDTH_32S_24W;
1815		break;
1816	default:
1817		dev_err(codec->dev, "%s: unknown format %d\n", __func__,
1818			params_format(params));
1819		return -EINVAL;
1820	}
1821
1822	if (format != old_format || mode != old_mode) {
1823		if (twl4030->codec_powered) {
1824			/*
1825			 * If the codec is powered, than we need to toggle the
1826			 * codec power.
1827			 */
1828			twl4030_codec_enable(codec, 0);
1829			twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
1830			twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1831			twl4030_codec_enable(codec, 1);
1832		} else {
1833			twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
1834			twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1835		}
1836	}
1837
1838	/* Store the important parameters for the DAI configuration and set
1839	 * the DAI as configured */
1840	twl4030->configured = 1;
1841	twl4030->rate = params_rate(params);
1842	twl4030->sample_bits = hw_param_interval(params,
1843					SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min;
1844	twl4030->channels = params_channels(params);
1845
1846	/* If both playback and capture streams are open, and one of them
1847	 * is setting the hw parameters right now (since we are here), set
1848	 * constraints to the other stream to match the current one. */
1849	if (twl4030->slave_substream)
1850		twl4030_constraints(twl4030, substream);
1851
1852	return 0;
1853}
1854
1855static int twl4030_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1856		int clk_id, unsigned int freq, int dir)
1857{
1858	struct snd_soc_codec *codec = codec_dai->codec;
1859	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1860
1861	switch (freq) {
1862	case 19200000:
1863	case 26000000:
1864	case 38400000:
1865		break;
1866	default:
1867		dev_err(codec->dev, "Unsupported HFCLKIN: %u\n", freq);
1868		return -EINVAL;
1869	}
1870
1871	if ((freq / 1000) != twl4030->sysclk) {
1872		dev_err(codec->dev,
1873			"Mismatch in HFCLKIN: %u (configured: %u)\n",
1874			freq, twl4030->sysclk * 1000);
1875		return -EINVAL;
1876	}
1877
1878	return 0;
1879}
1880
1881static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai,
1882			     unsigned int fmt)
1883{
1884	struct snd_soc_codec *codec = codec_dai->codec;
1885	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1886	u8 old_format, format;
1887
1888	/* get format */
1889	old_format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF);
1890	format = old_format;
1891
1892	/* set master/slave audio interface */
1893	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1894	case SND_SOC_DAIFMT_CBM_CFM:
1895		format &= ~(TWL4030_AIF_SLAVE_EN);
1896		format &= ~(TWL4030_CLK256FS_EN);
1897		break;
1898	case SND_SOC_DAIFMT_CBS_CFS:
1899		format |= TWL4030_AIF_SLAVE_EN;
1900		format |= TWL4030_CLK256FS_EN;
1901		break;
1902	default:
1903		return -EINVAL;
1904	}
1905
1906	/* interface format */
1907	format &= ~TWL4030_AIF_FORMAT;
1908	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1909	case SND_SOC_DAIFMT_I2S:
1910		format |= TWL4030_AIF_FORMAT_CODEC;
1911		break;
1912	case SND_SOC_DAIFMT_DSP_A:
1913		format |= TWL4030_AIF_FORMAT_TDM;
1914		break;
1915	default:
1916		return -EINVAL;
1917	}
1918
1919	if (format != old_format) {
1920		if (twl4030->codec_powered) {
1921			/*
1922			 * If the codec is powered, than we need to toggle the
1923			 * codec power.
1924			 */
1925			twl4030_codec_enable(codec, 0);
1926			twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1927			twl4030_codec_enable(codec, 1);
1928		} else {
1929			twl4030_write(codec, TWL4030_REG_AUDIO_IF, format);
1930		}
1931	}
1932
1933	return 0;
1934}
1935
1936static int twl4030_set_tristate(struct snd_soc_dai *dai, int tristate)
1937{
1938	struct snd_soc_codec *codec = dai->codec;
1939	u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF);
1940
1941	if (tristate)
1942		reg |= TWL4030_AIF_TRI_EN;
1943	else
1944		reg &= ~TWL4030_AIF_TRI_EN;
1945
1946	return twl4030_write(codec, TWL4030_REG_AUDIO_IF, reg);
1947}
1948
1949/* In case of voice mode, the RX1 L(VRX) for downlink and the TX2 L/R
1950 * (VTXL, VTXR) for uplink has to be enabled/disabled. */
1951static void twl4030_voice_enable(struct snd_soc_codec *codec, int direction,
1952				int enable)
1953{
1954	u8 reg, mask;
1955
1956	reg = twl4030_read_reg_cache(codec, TWL4030_REG_OPTION);
1957
1958	if (direction == SNDRV_PCM_STREAM_PLAYBACK)
1959		mask = TWL4030_ARXL1_VRX_EN;
1960	else
1961		mask = TWL4030_ATXL2_VTXL_EN | TWL4030_ATXR2_VTXR_EN;
1962
1963	if (enable)
1964		reg |= mask;
1965	else
1966		reg &= ~mask;
1967
1968	twl4030_write(codec, TWL4030_REG_OPTION, reg);
1969}
1970
1971static int twl4030_voice_startup(struct snd_pcm_substream *substream,
1972		struct snd_soc_dai *dai)
1973{
1974	struct snd_soc_codec *codec = dai->codec;
1975	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
1976	u8 mode;
1977
1978	/* If the system master clock is not 26MHz, the voice PCM interface is
1979	 * not available.
1980	 */
1981	if (twl4030->sysclk != 26000) {
1982		dev_err(codec->dev,
1983			"%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n",
1984			__func__, twl4030->sysclk);
1985		return -EINVAL;
1986	}
1987
1988	/* If the codec mode is not option2, the voice PCM interface is not
1989	 * available.
1990	 */
1991	mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE)
1992		& TWL4030_OPT_MODE;
1993
1994	if (mode != TWL4030_OPTION_2) {
1995		dev_err(codec->dev, "%s: the codec mode is not option2\n",
1996			__func__);
1997		return -EINVAL;
1998	}
1999
2000	return 0;
2001}
2002
2003static void twl4030_voice_shutdown(struct snd_pcm_substream *substream,
2004				struct snd_soc_dai *dai)
2005{
2006	struct snd_soc_codec *codec = dai->codec;
2007
2008	/* Enable voice digital filters */
2009	twl4030_voice_enable(codec, substream->stream, 0);
2010}
2011
2012static int twl4030_voice_hw_params(struct snd_pcm_substream *substream,
2013		struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
 
2014{
2015	struct snd_soc_codec *codec = dai->codec;
2016	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2017	u8 old_mode, mode;
2018
2019	/* Enable voice digital filters */
2020	twl4030_voice_enable(codec, substream->stream, 1);
2021
2022	/* bit rate */
2023	old_mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE)
2024		& ~(TWL4030_CODECPDZ);
2025	mode = old_mode;
2026
2027	switch (params_rate(params)) {
2028	case 8000:
2029		mode &= ~(TWL4030_SEL_16K);
2030		break;
2031	case 16000:
2032		mode |= TWL4030_SEL_16K;
2033		break;
2034	default:
2035		dev_err(codec->dev, "%s: unknown rate %d\n", __func__,
2036			params_rate(params));
2037		return -EINVAL;
2038	}
2039
2040	if (mode != old_mode) {
2041		if (twl4030->codec_powered) {
2042			/*
2043			 * If the codec is powered, than we need to toggle the
2044			 * codec power.
2045			 */
2046			twl4030_codec_enable(codec, 0);
2047			twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
2048			twl4030_codec_enable(codec, 1);
2049		} else {
2050			twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode);
2051		}
2052	}
2053
2054	return 0;
2055}
2056
2057static int twl4030_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai,
2058		int clk_id, unsigned int freq, int dir)
2059{
2060	struct snd_soc_codec *codec = codec_dai->codec;
2061	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2062
2063	if (freq != 26000000) {
2064		dev_err(codec->dev,
2065			"%s: HFCLKIN is %u KHz, voice interface needs 26MHz\n",
2066			__func__, freq / 1000);
2067		return -EINVAL;
2068	}
2069	if ((freq / 1000) != twl4030->sysclk) {
2070		dev_err(codec->dev,
2071			"Mismatch in HFCLKIN: %u (configured: %u)\n",
2072			freq, twl4030->sysclk * 1000);
2073		return -EINVAL;
2074	}
2075	return 0;
2076}
2077
2078static int twl4030_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
2079		unsigned int fmt)
2080{
2081	struct snd_soc_codec *codec = codec_dai->codec;
2082	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
2083	u8 old_format, format;
2084
2085	/* get format */
2086	old_format = twl4030_read_reg_cache(codec, TWL4030_REG_VOICE_IF);
2087	format = old_format;
2088
2089	/* set master/slave audio interface */
2090	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
2091	case SND_SOC_DAIFMT_CBM_CFM:
2092		format &= ~(TWL4030_VIF_SLAVE_EN);
2093		break;
2094	case SND_SOC_DAIFMT_CBS_CFS:
2095		format |= TWL4030_VIF_SLAVE_EN;
2096		break;
2097	default:
2098		return -EINVAL;
2099	}
2100
2101	/* clock inversion */
2102	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2103	case SND_SOC_DAIFMT_IB_NF:
2104		format &= ~(TWL4030_VIF_FORMAT);
2105		break;
2106	case SND_SOC_DAIFMT_NB_IF:
2107		format |= TWL4030_VIF_FORMAT;
2108		break;
2109	default:
2110		return -EINVAL;
2111	}
2112
2113	if (format != old_format) {
2114		if (twl4030->codec_powered) {
2115			/*
2116			 * If the codec is powered, than we need to toggle the
2117			 * codec power.
2118			 */
2119			twl4030_codec_enable(codec, 0);
2120			twl4030_write(codec, TWL4030_REG_VOICE_IF, format);
2121			twl4030_codec_enable(codec, 1);
2122		} else {
2123			twl4030_write(codec, TWL4030_REG_VOICE_IF, format);
2124		}
2125	}
2126
2127	return 0;
2128}
2129
2130static int twl4030_voice_set_tristate(struct snd_soc_dai *dai, int tristate)
2131{
2132	struct snd_soc_codec *codec = dai->codec;
2133	u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_VOICE_IF);
2134
2135	if (tristate)
2136		reg |= TWL4030_VIF_TRI_EN;
2137	else
2138		reg &= ~TWL4030_VIF_TRI_EN;
2139
2140	return twl4030_write(codec, TWL4030_REG_VOICE_IF, reg);
2141}
2142
2143#define TWL4030_RATES	 (SNDRV_PCM_RATE_8000_48000)
2144#define TWL4030_FORMATS	 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2145
2146static const struct snd_soc_dai_ops twl4030_dai_hifi_ops = {
2147	.startup	= twl4030_startup,
2148	.shutdown	= twl4030_shutdown,
2149	.hw_params	= twl4030_hw_params,
2150	.set_sysclk	= twl4030_set_dai_sysclk,
2151	.set_fmt	= twl4030_set_dai_fmt,
2152	.set_tristate	= twl4030_set_tristate,
2153};
2154
2155static const struct snd_soc_dai_ops twl4030_dai_voice_ops = {
2156	.startup	= twl4030_voice_startup,
2157	.shutdown	= twl4030_voice_shutdown,
2158	.hw_params	= twl4030_voice_hw_params,
2159	.set_sysclk	= twl4030_voice_set_dai_sysclk,
2160	.set_fmt	= twl4030_voice_set_dai_fmt,
2161	.set_tristate	= twl4030_voice_set_tristate,
2162};
2163
2164static struct snd_soc_dai_driver twl4030_dai[] = {
2165{
2166	.name = "twl4030-hifi",
2167	.playback = {
2168		.stream_name = "HiFi Playback",
2169		.channels_min = 2,
2170		.channels_max = 4,
2171		.rates = TWL4030_RATES | SNDRV_PCM_RATE_96000,
2172		.formats = TWL4030_FORMATS,
2173		.sig_bits = 24,},
2174	.capture = {
2175		.stream_name = "Capture",
2176		.channels_min = 2,
2177		.channels_max = 4,
2178		.rates = TWL4030_RATES,
2179		.formats = TWL4030_FORMATS,
2180		.sig_bits = 24,},
2181	.ops = &twl4030_dai_hifi_ops,
2182},
2183{
2184	.name = "twl4030-voice",
2185	.playback = {
2186		.stream_name = "Voice Playback",
2187		.channels_min = 1,
2188		.channels_max = 1,
2189		.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
2190		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
2191	.capture = {
2192		.stream_name = "Capture",
2193		.channels_min = 1,
2194		.channels_max = 2,
2195		.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
2196		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
2197	.ops = &twl4030_dai_voice_ops,
2198},
2199};
2200
2201static int twl4030_soc_suspend(struct snd_soc_codec *codec)
2202{
2203	twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF);
2204	return 0;
2205}
2206
2207static int twl4030_soc_resume(struct snd_soc_codec *codec)
2208{
2209	twl4030_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2210	return 0;
2211}
2212
2213static int twl4030_soc_probe(struct snd_soc_codec *codec)
2214{
2215	struct twl4030_priv *twl4030;
2216
2217	twl4030 = kzalloc(sizeof(struct twl4030_priv), GFP_KERNEL);
2218	if (twl4030 == NULL) {
2219		dev_err(codec->dev, "Can not allocate memory\n");
2220		return -ENOMEM;
2221	}
2222	snd_soc_codec_set_drvdata(codec, twl4030);
2223	/* Set the defaults, and power up the codec */
2224	twl4030->sysclk = twl4030_audio_get_mclk() / 1000;
2225
2226	twl4030_init_chip(codec);
2227
2228	return 0;
2229}
2230
2231static int twl4030_soc_remove(struct snd_soc_codec *codec)
2232{
2233	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
 
2234
2235	/* Reset registers to their chip default before leaving */
2236	twl4030_reset_registers(codec);
2237	twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF);
2238	kfree(twl4030);
2239	return 0;
2240}
2241
2242static struct snd_soc_codec_driver soc_codec_dev_twl4030 = {
2243	.probe = twl4030_soc_probe,
2244	.remove = twl4030_soc_remove,
2245	.suspend = twl4030_soc_suspend,
2246	.resume = twl4030_soc_resume,
2247	.read = twl4030_read_reg_cache,
2248	.write = twl4030_write,
2249	.set_bias_level = twl4030_set_bias_level,
2250	.idle_bias_off = true,
2251	.reg_cache_size = sizeof(twl4030_reg),
2252	.reg_word_size = sizeof(u8),
2253	.reg_cache_default = twl4030_reg,
2254
2255	.controls = twl4030_snd_controls,
2256	.num_controls = ARRAY_SIZE(twl4030_snd_controls),
2257	.dapm_widgets = twl4030_dapm_widgets,
2258	.num_dapm_widgets = ARRAY_SIZE(twl4030_dapm_widgets),
2259	.dapm_routes = intercon,
2260	.num_dapm_routes = ARRAY_SIZE(intercon),
2261};
2262
2263static int __devinit twl4030_codec_probe(struct platform_device *pdev)
2264{
2265	struct twl4030_codec_data *pdata = pdev->dev.platform_data;
2266
2267	if (!pdata) {
2268		dev_err(&pdev->dev, "platform_data is missing\n");
2269		return -EINVAL;
2270	}
2271
2272	return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl4030,
2273			twl4030_dai, ARRAY_SIZE(twl4030_dai));
2274}
2275
2276static int __devexit twl4030_codec_remove(struct platform_device *pdev)
2277{
2278	snd_soc_unregister_codec(&pdev->dev);
2279	return 0;
 
2280}
2281
2282MODULE_ALIAS("platform:twl4030-codec");
2283
2284static struct platform_driver twl4030_codec_driver = {
2285	.probe		= twl4030_codec_probe,
2286	.remove		= __devexit_p(twl4030_codec_remove),
2287	.driver		= {
2288		.name	= "twl4030-codec",
2289		.owner	= THIS_MODULE,
2290	},
2291};
2292
2293module_platform_driver(twl4030_codec_driver);
2294
2295MODULE_DESCRIPTION("ASoC TWL4030 codec driver");
2296MODULE_AUTHOR("Steve Sakoman");
2297MODULE_LICENSE("GPL");