linux/sound/soc/codecs/twl6040.c
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   1/*
   2 * ALSA SoC TWL6040 codec driver
   3 *
   4 * Author:       Misael Lopez Cruz <x0052729@ti.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/platform_device.h>
  28#include <linux/slab.h>
  29#include <linux/mfd/twl6040.h>
  30
  31#include <sound/core.h>
  32#include <sound/pcm.h>
  33#include <sound/pcm_params.h>
  34#include <sound/soc.h>
  35#include <sound/soc-dapm.h>
  36#include <sound/initval.h>
  37#include <sound/tlv.h>
  38
  39#include "twl6040.h"
  40
  41enum twl6040_dai_id {
  42        TWL6040_DAI_LEGACY = 0,
  43        TWL6040_DAI_UL,
  44        TWL6040_DAI_DL1,
  45        TWL6040_DAI_DL2,
  46        TWL6040_DAI_VIB,
  47};
  48
  49#define TWL6040_RATES           SNDRV_PCM_RATE_8000_96000
  50#define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
  51
  52#define TWL6040_OUTHS_0dB 0x00
  53#define TWL6040_OUTHS_M30dB 0x0F
  54#define TWL6040_OUTHF_0dB 0x03
  55#define TWL6040_OUTHF_M52dB 0x1D
  56
  57#define TWL6040_CACHEREGNUM     (TWL6040_REG_STATUS + 1)
  58
  59struct twl6040_jack_data {
  60        struct snd_soc_jack *jack;
  61        struct delayed_work work;
  62        int report;
  63};
  64
  65/* codec private data */
  66struct twl6040_data {
  67        int plug_irq;
  68        int codec_powered;
  69        int pll;
  70        int pll_power_mode;
  71        int hs_power_mode;
  72        int hs_power_mode_locked;
  73        bool dl1_unmuted;
  74        bool dl2_unmuted;
  75        u8 dl12_cache[TWL6040_REG_HFRCTL - TWL6040_REG_HSLCTL + 1];
  76        unsigned int clk_in;
  77        unsigned int sysclk;
  78        struct twl6040_jack_data hs_jack;
  79        struct snd_soc_component *component;
  80        struct mutex mutex;
  81};
  82
  83/* set of rates for each pll: low-power and high-performance */
  84static const unsigned int lp_rates[] = {
  85        8000,
  86        11250,
  87        16000,
  88        22500,
  89        32000,
  90        44100,
  91        48000,
  92        88200,
  93        96000,
  94};
  95
  96static const unsigned int hp_rates[] = {
  97        8000,
  98        16000,
  99        32000,
 100        48000,
 101        96000,
 102};
 103
 104static const struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
 105        { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
 106        { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
 107};
 108
 109#define to_twl6040(component)   dev_get_drvdata((component)->dev->parent)
 110
 111static unsigned int twl6040_read(struct snd_soc_component *component, unsigned int reg)
 112{
 113        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 114        struct twl6040 *twl6040 = to_twl6040(component);
 115        u8 value;
 116
 117        if (reg >= TWL6040_CACHEREGNUM)
 118                return -EIO;
 119
 120        switch (reg) {
 121        case TWL6040_REG_HSLCTL:
 122        case TWL6040_REG_HSRCTL:
 123        case TWL6040_REG_EARCTL:
 124        case TWL6040_REG_HFLCTL:
 125        case TWL6040_REG_HFRCTL:
 126                value = priv->dl12_cache[reg - TWL6040_REG_HSLCTL];
 127                break;
 128        default:
 129                value = twl6040_reg_read(twl6040, reg);
 130                break;
 131        }
 132
 133        return value;
 134}
 135
 136static bool twl6040_can_write_to_chip(struct snd_soc_component *component,
 137                                  unsigned int reg)
 138{
 139        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 140
 141        switch (reg) {
 142        case TWL6040_REG_HSLCTL:
 143        case TWL6040_REG_HSRCTL:
 144        case TWL6040_REG_EARCTL:
 145                /* DL1 path */
 146                return priv->dl1_unmuted;
 147        case TWL6040_REG_HFLCTL:
 148        case TWL6040_REG_HFRCTL:
 149                return priv->dl2_unmuted;
 150        default:
 151                return true;
 152        }
 153}
 154
 155static inline void twl6040_update_dl12_cache(struct snd_soc_component *component,
 156                                             u8 reg, u8 value)
 157{
 158        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 159
 160        switch (reg) {
 161        case TWL6040_REG_HSLCTL:
 162        case TWL6040_REG_HSRCTL:
 163        case TWL6040_REG_EARCTL:
 164        case TWL6040_REG_HFLCTL:
 165        case TWL6040_REG_HFRCTL:
 166                priv->dl12_cache[reg - TWL6040_REG_HSLCTL] = value;
 167                break;
 168        default:
 169                break;
 170        }
 171}
 172
 173static int twl6040_write(struct snd_soc_component *component,
 174                        unsigned int reg, unsigned int value)
 175{
 176        struct twl6040 *twl6040 = to_twl6040(component);
 177
 178        if (reg >= TWL6040_CACHEREGNUM)
 179                return -EIO;
 180
 181        twl6040_update_dl12_cache(component, reg, value);
 182        if (twl6040_can_write_to_chip(component, reg))
 183                return twl6040_reg_write(twl6040, reg, value);
 184        else
 185                return 0;
 186}
 187
 188static void twl6040_init_chip(struct snd_soc_component *component)
 189{
 190        twl6040_read(component, TWL6040_REG_TRIM1);
 191        twl6040_read(component, TWL6040_REG_TRIM2);
 192        twl6040_read(component, TWL6040_REG_TRIM3);
 193        twl6040_read(component, TWL6040_REG_HSOTRIM);
 194        twl6040_read(component, TWL6040_REG_HFOTRIM);
 195
 196        /* Change chip defaults */
 197        /* No imput selected for microphone amplifiers */
 198        twl6040_write(component, TWL6040_REG_MICLCTL, 0x18);
 199        twl6040_write(component, TWL6040_REG_MICRCTL, 0x18);
 200
 201        /*
 202         * We need to lower the default gain values, so the ramp code
 203         * can work correctly for the first playback.
 204         * This reduces the pop noise heard at the first playback.
 205         */
 206        twl6040_write(component, TWL6040_REG_HSGAIN, 0xff);
 207        twl6040_write(component, TWL6040_REG_EARCTL, 0x1e);
 208        twl6040_write(component, TWL6040_REG_HFLGAIN, 0x1d);
 209        twl6040_write(component, TWL6040_REG_HFRGAIN, 0x1d);
 210        twl6040_write(component, TWL6040_REG_LINEGAIN, 0);
 211}
 212
 213/* set headset dac and driver power mode */
 214static int headset_power_mode(struct snd_soc_component *component, int high_perf)
 215{
 216        int hslctl, hsrctl;
 217        int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
 218
 219        hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
 220        hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
 221
 222        if (high_perf) {
 223                hslctl &= ~mask;
 224                hsrctl &= ~mask;
 225        } else {
 226                hslctl |= mask;
 227                hsrctl |= mask;
 228        }
 229
 230        twl6040_write(component, TWL6040_REG_HSLCTL, hslctl);
 231        twl6040_write(component, TWL6040_REG_HSRCTL, hsrctl);
 232
 233        return 0;
 234}
 235
 236static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
 237                        struct snd_kcontrol *kcontrol, int event)
 238{
 239        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 240        u8 hslctl, hsrctl;
 241
 242        /*
 243         * Workaround for Headset DC offset caused pop noise:
 244         * Both HS DAC need to be turned on (before the HS driver) and off at
 245         * the same time.
 246         */
 247        hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
 248        hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
 249        if (SND_SOC_DAPM_EVENT_ON(event)) {
 250                hslctl |= TWL6040_HSDACENA;
 251                hsrctl |= TWL6040_HSDACENA;
 252        } else {
 253                hslctl &= ~TWL6040_HSDACENA;
 254                hsrctl &= ~TWL6040_HSDACENA;
 255        }
 256        twl6040_write(component, TWL6040_REG_HSLCTL, hslctl);
 257        twl6040_write(component, TWL6040_REG_HSRCTL, hsrctl);
 258
 259        msleep(1);
 260        return 0;
 261}
 262
 263static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
 264                        struct snd_kcontrol *kcontrol, int event)
 265{
 266        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 267        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 268        int ret = 0;
 269
 270        if (SND_SOC_DAPM_EVENT_ON(event)) {
 271                /* Earphone doesn't support low power mode */
 272                priv->hs_power_mode_locked = 1;
 273                ret = headset_power_mode(component, 1);
 274        } else {
 275                priv->hs_power_mode_locked = 0;
 276                ret = headset_power_mode(component, priv->hs_power_mode);
 277        }
 278
 279        msleep(1);
 280
 281        return ret;
 282}
 283
 284static void twl6040_hs_jack_report(struct snd_soc_component *component,
 285                                   struct snd_soc_jack *jack, int report)
 286{
 287        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 288        int status;
 289
 290        mutex_lock(&priv->mutex);
 291
 292        /* Sync status */
 293        status = twl6040_read(component, TWL6040_REG_STATUS);
 294        if (status & TWL6040_PLUGCOMP)
 295                snd_soc_jack_report(jack, report, report);
 296        else
 297                snd_soc_jack_report(jack, 0, report);
 298
 299        mutex_unlock(&priv->mutex);
 300}
 301
 302void twl6040_hs_jack_detect(struct snd_soc_component *component,
 303                                struct snd_soc_jack *jack, int report)
 304{
 305        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 306        struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 307
 308        hs_jack->jack = jack;
 309        hs_jack->report = report;
 310
 311        twl6040_hs_jack_report(component, hs_jack->jack, hs_jack->report);
 312}
 313EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
 314
 315static void twl6040_accessory_work(struct work_struct *work)
 316{
 317        struct twl6040_data *priv = container_of(work,
 318                                        struct twl6040_data, hs_jack.work.work);
 319        struct snd_soc_component *component = priv->component;
 320        struct twl6040_jack_data *hs_jack = &priv->hs_jack;
 321
 322        twl6040_hs_jack_report(component, hs_jack->jack, hs_jack->report);
 323}
 324
 325/* audio interrupt handler */
 326static irqreturn_t twl6040_audio_handler(int irq, void *data)
 327{
 328        struct snd_soc_component *component = data;
 329        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 330
 331        queue_delayed_work(system_power_efficient_wq,
 332                           &priv->hs_jack.work, msecs_to_jiffies(200));
 333
 334        return IRQ_HANDLED;
 335}
 336
 337static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
 338        struct snd_ctl_elem_value *ucontrol)
 339{
 340        struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
 341        struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 342        unsigned int val;
 343
 344        /* Do not allow changes while Input/FF efect is running */
 345        val = twl6040_read(component, e->reg);
 346        if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
 347                return -EBUSY;
 348
 349        return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
 350}
 351
 352/*
 353 * MICATT volume control:
 354 * from -6 to 0 dB in 6 dB steps
 355 */
 356static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
 357
 358/*
 359 * MICGAIN volume control:
 360 * from 6 to 30 dB in 6 dB steps
 361 */
 362static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
 363
 364/*
 365 * AFMGAIN volume control:
 366 * from -18 to 24 dB in 6 dB steps
 367 */
 368static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
 369
 370/*
 371 * HSGAIN volume control:
 372 * from -30 to 0 dB in 2 dB steps
 373 */
 374static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
 375
 376/*
 377 * HFGAIN volume control:
 378 * from -52 to 6 dB in 2 dB steps
 379 */
 380static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
 381
 382/*
 383 * EPGAIN volume control:
 384 * from -24 to 6 dB in 2 dB steps
 385 */
 386static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
 387
 388/* Left analog microphone selection */
 389static const char *twl6040_amicl_texts[] =
 390        {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
 391
 392/* Right analog microphone selection */
 393static const char *twl6040_amicr_texts[] =
 394        {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
 395
 396static const struct soc_enum twl6040_enum[] = {
 397        SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3,
 398                        ARRAY_SIZE(twl6040_amicl_texts), twl6040_amicl_texts),
 399        SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3,
 400                        ARRAY_SIZE(twl6040_amicr_texts), twl6040_amicr_texts),
 401};
 402
 403static const char *twl6040_hs_texts[] = {
 404        "Off", "HS DAC", "Line-In amp"
 405};
 406
 407static const struct soc_enum twl6040_hs_enum[] = {
 408        SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 409                        twl6040_hs_texts),
 410        SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
 411                        twl6040_hs_texts),
 412};
 413
 414static const char *twl6040_hf_texts[] = {
 415        "Off", "HF DAC", "Line-In amp"
 416};
 417
 418static const struct soc_enum twl6040_hf_enum[] = {
 419        SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 420                        twl6040_hf_texts),
 421        SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
 422                        twl6040_hf_texts),
 423};
 424
 425static const char *twl6040_vibrapath_texts[] = {
 426        "Input FF", "Audio PDM"
 427};
 428
 429static const struct soc_enum twl6040_vibra_enum[] = {
 430        SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
 431                        ARRAY_SIZE(twl6040_vibrapath_texts),
 432                        twl6040_vibrapath_texts),
 433        SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
 434                        ARRAY_SIZE(twl6040_vibrapath_texts),
 435                        twl6040_vibrapath_texts),
 436};
 437
 438static const struct snd_kcontrol_new amicl_control =
 439        SOC_DAPM_ENUM("Route", twl6040_enum[0]);
 440
 441static const struct snd_kcontrol_new amicr_control =
 442        SOC_DAPM_ENUM("Route", twl6040_enum[1]);
 443
 444/* Headset DAC playback switches */
 445static const struct snd_kcontrol_new hsl_mux_controls =
 446        SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
 447
 448static const struct snd_kcontrol_new hsr_mux_controls =
 449        SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
 450
 451/* Handsfree DAC playback switches */
 452static const struct snd_kcontrol_new hfl_mux_controls =
 453        SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
 454
 455static const struct snd_kcontrol_new hfr_mux_controls =
 456        SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
 457
 458static const struct snd_kcontrol_new ep_path_enable_control =
 459        SOC_DAPM_SINGLE_VIRT("Switch", 1);
 460
 461static const struct snd_kcontrol_new auxl_switch_control =
 462        SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
 463
 464static const struct snd_kcontrol_new auxr_switch_control =
 465        SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
 466
 467/* Vibra playback switches */
 468static const struct snd_kcontrol_new vibral_mux_controls =
 469        SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
 470                snd_soc_dapm_get_enum_double,
 471                twl6040_soc_dapm_put_vibra_enum);
 472
 473static const struct snd_kcontrol_new vibrar_mux_controls =
 474        SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
 475                snd_soc_dapm_get_enum_double,
 476                twl6040_soc_dapm_put_vibra_enum);
 477
 478/* Headset power mode */
 479static const char *twl6040_power_mode_texts[] = {
 480        "Low-Power", "High-Performance",
 481};
 482
 483static SOC_ENUM_SINGLE_EXT_DECL(twl6040_power_mode_enum,
 484                                twl6040_power_mode_texts);
 485
 486static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
 487        struct snd_ctl_elem_value *ucontrol)
 488{
 489        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 490        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 491
 492        ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
 493
 494        return 0;
 495}
 496
 497static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
 498        struct snd_ctl_elem_value *ucontrol)
 499{
 500        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 501        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 502        int high_perf = ucontrol->value.enumerated.item[0];
 503        int ret = 0;
 504
 505        if (!priv->hs_power_mode_locked)
 506                ret = headset_power_mode(component, high_perf);
 507
 508        if (!ret)
 509                priv->hs_power_mode = high_perf;
 510
 511        return ret;
 512}
 513
 514static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
 515        struct snd_ctl_elem_value *ucontrol)
 516{
 517        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 518        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 519
 520        ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
 521
 522        return 0;
 523}
 524
 525static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
 526        struct snd_ctl_elem_value *ucontrol)
 527{
 528        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 529        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 530
 531        priv->pll_power_mode = ucontrol->value.enumerated.item[0];
 532
 533        return 0;
 534}
 535
 536int twl6040_get_dl1_gain(struct snd_soc_component *component)
 537{
 538        struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
 539
 540        if (snd_soc_dapm_get_pin_status(dapm, "EP"))
 541                return -1; /* -1dB */
 542
 543        if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
 544                snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
 545
 546                u8 val = twl6040_read(component, TWL6040_REG_HSLCTL);
 547                if (val & TWL6040_HSDACMODE)
 548                        /* HSDACL in LP mode */
 549                        return -8; /* -8dB */
 550                else
 551                        /* HSDACL in HP mode */
 552                        return -1; /* -1dB */
 553        }
 554        return 0; /* 0dB */
 555}
 556EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
 557
 558int twl6040_get_clk_id(struct snd_soc_component *component)
 559{
 560        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 561
 562        return priv->pll_power_mode;
 563}
 564EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
 565
 566int twl6040_get_trim_value(struct snd_soc_component *component, enum twl6040_trim trim)
 567{
 568        if (unlikely(trim >= TWL6040_TRIM_INVAL))
 569                return -EINVAL;
 570
 571        return twl6040_read(component, TWL6040_REG_TRIM1 + trim);
 572}
 573EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
 574
 575int twl6040_get_hs_step_size(struct snd_soc_component *component)
 576{
 577        struct twl6040 *twl6040 = to_twl6040(component);
 578
 579        if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
 580                /* For ES under ES_1.3 HS step is 2 mV */
 581                return 2;
 582        else
 583                /* For ES_1.3 HS step is 1 mV */
 584                return 1;
 585}
 586EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
 587
 588static const struct snd_kcontrol_new twl6040_snd_controls[] = {
 589        /* Capture gains */
 590        SOC_DOUBLE_TLV("Capture Preamplifier Volume",
 591                TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
 592        SOC_DOUBLE_TLV("Capture Volume",
 593                TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
 594
 595        /* AFM gains */
 596        SOC_DOUBLE_TLV("Aux FM Volume",
 597                TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
 598
 599        /* Playback gains */
 600        SOC_DOUBLE_TLV("Headset Playback Volume",
 601                TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
 602        SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
 603                TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
 604        SOC_SINGLE_TLV("Earphone Playback Volume",
 605                TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
 606
 607        SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
 608                twl6040_headset_power_get_enum,
 609                twl6040_headset_power_put_enum),
 610
 611        /* Left HS PDM data routed to Right HSDAC */
 612        SOC_SINGLE("Headset Mono to Stereo Playback Switch",
 613                TWL6040_REG_HSRCTL, 7, 1, 0),
 614
 615        /* Left HF PDM data routed to Right HFDAC */
 616        SOC_SINGLE("Handsfree Mono to Stereo Playback Switch",
 617                TWL6040_REG_HFRCTL, 5, 1, 0),
 618
 619        SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
 620                twl6040_pll_get_enum, twl6040_pll_put_enum),
 621};
 622
 623static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
 624        /* Inputs */
 625        SND_SOC_DAPM_INPUT("MAINMIC"),
 626        SND_SOC_DAPM_INPUT("HSMIC"),
 627        SND_SOC_DAPM_INPUT("SUBMIC"),
 628        SND_SOC_DAPM_INPUT("AFML"),
 629        SND_SOC_DAPM_INPUT("AFMR"),
 630
 631        /* Outputs */
 632        SND_SOC_DAPM_OUTPUT("HSOL"),
 633        SND_SOC_DAPM_OUTPUT("HSOR"),
 634        SND_SOC_DAPM_OUTPUT("HFL"),
 635        SND_SOC_DAPM_OUTPUT("HFR"),
 636        SND_SOC_DAPM_OUTPUT("EP"),
 637        SND_SOC_DAPM_OUTPUT("AUXL"),
 638        SND_SOC_DAPM_OUTPUT("AUXR"),
 639        SND_SOC_DAPM_OUTPUT("VIBRAL"),
 640        SND_SOC_DAPM_OUTPUT("VIBRAR"),
 641
 642        /* Analog input muxes for the capture amplifiers */
 643        SND_SOC_DAPM_MUX("Analog Left Capture Route",
 644                        SND_SOC_NOPM, 0, 0, &amicl_control),
 645        SND_SOC_DAPM_MUX("Analog Right Capture Route",
 646                        SND_SOC_NOPM, 0, 0, &amicr_control),
 647
 648        /* Analog capture PGAs */
 649        SND_SOC_DAPM_PGA("MicAmpL",
 650                        TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
 651        SND_SOC_DAPM_PGA("MicAmpR",
 652                        TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
 653
 654        /* Auxiliary FM PGAs */
 655        SND_SOC_DAPM_PGA("AFMAmpL",
 656                        TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
 657        SND_SOC_DAPM_PGA("AFMAmpR",
 658                        TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
 659
 660        /* ADCs */
 661        SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
 662        SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
 663
 664        /* Microphone bias */
 665        SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
 666                            TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
 667        SND_SOC_DAPM_SUPPLY("Main Mic Bias",
 668                            TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
 669        SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
 670                            TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
 671        SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
 672                            TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
 673
 674        /* DACs */
 675        SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
 676        SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
 677        SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
 678        SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
 679        /* Virtual DAC for vibra path (DL4 channel) */
 680        SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
 681
 682        SND_SOC_DAPM_MUX("Handsfree Left Playback",
 683                        SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
 684        SND_SOC_DAPM_MUX("Handsfree Right Playback",
 685                        SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
 686        /* Analog playback Muxes */
 687        SND_SOC_DAPM_MUX("Headset Left Playback",
 688                        SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
 689        SND_SOC_DAPM_MUX("Headset Right Playback",
 690                        SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
 691
 692        SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
 693                        &vibral_mux_controls),
 694        SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
 695                        &vibrar_mux_controls),
 696
 697        SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
 698                        &ep_path_enable_control),
 699        SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
 700                        &auxl_switch_control),
 701        SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
 702                        &auxr_switch_control),
 703
 704        /* Analog playback drivers */
 705        SND_SOC_DAPM_OUT_DRV("HF Left Driver",
 706                        TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
 707        SND_SOC_DAPM_OUT_DRV("HF Right Driver",
 708                        TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
 709        SND_SOC_DAPM_OUT_DRV("HS Left Driver",
 710                        TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
 711        SND_SOC_DAPM_OUT_DRV("HS Right Driver",
 712                        TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
 713        SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
 714                        TWL6040_REG_EARCTL, 0, 0, NULL, 0,
 715                        twl6040_ep_drv_event,
 716                        SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 717        SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
 718                        TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
 719        SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
 720                        TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
 721
 722        SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
 723                            NULL, 0),
 724        SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
 725                            NULL, 0),
 726        SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
 727                              twl6040_hs_dac_event,
 728                              SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 729
 730        /* Analog playback PGAs */
 731        SND_SOC_DAPM_PGA("HF Left PGA",
 732                        TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
 733        SND_SOC_DAPM_PGA("HF Right PGA",
 734                        TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
 735
 736};
 737
 738static const struct snd_soc_dapm_route intercon[] = {
 739        /* Stream -> DAC mapping */
 740        {"HSDAC Left", NULL, "Legacy Playback"},
 741        {"HSDAC Left", NULL, "Headset Playback"},
 742        {"HSDAC Right", NULL, "Legacy Playback"},
 743        {"HSDAC Right", NULL, "Headset Playback"},
 744
 745        {"HFDAC Left", NULL, "Legacy Playback"},
 746        {"HFDAC Left", NULL, "Handsfree Playback"},
 747        {"HFDAC Right", NULL, "Legacy Playback"},
 748        {"HFDAC Right", NULL, "Handsfree Playback"},
 749
 750        {"VIBRA DAC", NULL, "Legacy Playback"},
 751        {"VIBRA DAC", NULL, "Vibra Playback"},
 752
 753        /* ADC -> Stream mapping */
 754        {"Legacy Capture" , NULL, "ADC Left"},
 755        {"Capture", NULL, "ADC Left"},
 756        {"Legacy Capture", NULL, "ADC Right"},
 757        {"Capture" , NULL, "ADC Right"},
 758
 759        /* Capture path */
 760        {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
 761        {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
 762        {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
 763
 764        {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
 765        {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
 766        {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
 767
 768        {"MicAmpL", NULL, "Analog Left Capture Route"},
 769        {"MicAmpR", NULL, "Analog Right Capture Route"},
 770
 771        {"ADC Left", NULL, "MicAmpL"},
 772        {"ADC Right", NULL, "MicAmpR"},
 773
 774        /* AFM path */
 775        {"AFMAmpL", NULL, "AFML"},
 776        {"AFMAmpR", NULL, "AFMR"},
 777
 778        {"HSDAC Left", NULL, "HSDAC Power"},
 779        {"HSDAC Right", NULL, "HSDAC Power"},
 780
 781        {"Headset Left Playback", "HS DAC", "HSDAC Left"},
 782        {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
 783
 784        {"Headset Right Playback", "HS DAC", "HSDAC Right"},
 785        {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
 786
 787        {"HS Left Driver", NULL, "Headset Left Playback"},
 788        {"HS Right Driver", NULL, "Headset Right Playback"},
 789
 790        {"HSOL", NULL, "HS Left Driver"},
 791        {"HSOR", NULL, "HS Right Driver"},
 792
 793        /* Earphone playback path */
 794        {"Earphone Playback", "Switch", "HSDAC Left"},
 795        {"Earphone Driver", NULL, "Earphone Playback"},
 796        {"EP", NULL, "Earphone Driver"},
 797
 798        {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
 799        {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
 800
 801        {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
 802        {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
 803
 804        {"HF Left PGA", NULL, "Handsfree Left Playback"},
 805        {"HF Right PGA", NULL, "Handsfree Right Playback"},
 806
 807        {"HF Left Driver", NULL, "HF Left PGA"},
 808        {"HF Right Driver", NULL, "HF Right PGA"},
 809
 810        {"HFL", NULL, "HF Left Driver"},
 811        {"HFR", NULL, "HF Right Driver"},
 812
 813        {"AUXL Playback", "Switch", "HF Left PGA"},
 814        {"AUXR Playback", "Switch", "HF Right PGA"},
 815
 816        {"AUXL", NULL, "AUXL Playback"},
 817        {"AUXR", NULL, "AUXR Playback"},
 818
 819        /* Vibrator paths */
 820        {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
 821        {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
 822
 823        {"Vibra Left Driver", NULL, "Vibra Left Playback"},
 824        {"Vibra Right Driver", NULL, "Vibra Right Playback"},
 825        {"Vibra Left Driver", NULL, "Vibra Left Control"},
 826        {"Vibra Right Driver", NULL, "Vibra Right Control"},
 827
 828        {"VIBRAL", NULL, "Vibra Left Driver"},
 829        {"VIBRAR", NULL, "Vibra Right Driver"},
 830};
 831
 832static int twl6040_set_bias_level(struct snd_soc_component *component,
 833                                enum snd_soc_bias_level level)
 834{
 835        struct twl6040 *twl6040 = to_twl6040(component);
 836        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 837        int ret = 0;
 838
 839        switch (level) {
 840        case SND_SOC_BIAS_ON:
 841                break;
 842        case SND_SOC_BIAS_PREPARE:
 843                break;
 844        case SND_SOC_BIAS_STANDBY:
 845                if (priv->codec_powered) {
 846                        /* Select low power PLL in standby */
 847                        ret = twl6040_set_pll(twl6040, TWL6040_SYSCLK_SEL_LPPLL,
 848                                              32768, 19200000);
 849                        break;
 850                }
 851
 852                ret = twl6040_power(twl6040, 1);
 853                if (ret)
 854                        break;
 855
 856                priv->codec_powered = 1;
 857
 858                /* Set external boost GPO */
 859                twl6040_write(component, TWL6040_REG_GPOCTL, 0x02);
 860                break;
 861        case SND_SOC_BIAS_OFF:
 862                if (!priv->codec_powered)
 863                        break;
 864
 865                twl6040_power(twl6040, 0);
 866                priv->codec_powered = 0;
 867                break;
 868        }
 869
 870        return ret;
 871}
 872
 873static int twl6040_startup(struct snd_pcm_substream *substream,
 874                        struct snd_soc_dai *dai)
 875{
 876        struct snd_soc_component *component = dai->component;
 877        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 878
 879        snd_pcm_hw_constraint_list(substream->runtime, 0,
 880                                SNDRV_PCM_HW_PARAM_RATE,
 881                                &sysclk_constraints[priv->pll_power_mode]);
 882
 883        return 0;
 884}
 885
 886static int twl6040_hw_params(struct snd_pcm_substream *substream,
 887                        struct snd_pcm_hw_params *params,
 888                        struct snd_soc_dai *dai)
 889{
 890        struct snd_soc_component *component = dai->component;
 891        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 892        int rate;
 893
 894        rate = params_rate(params);
 895        switch (rate) {
 896        case 11250:
 897        case 22500:
 898        case 44100:
 899        case 88200:
 900                /* These rates are not supported when HPPLL is in use */
 901                if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
 902                        dev_err(component->dev, "HPPLL does not support rate %d\n",
 903                                rate);
 904                        return -EINVAL;
 905                }
 906                priv->sysclk = 17640000;
 907                break;
 908        case 8000:
 909        case 16000:
 910        case 32000:
 911        case 48000:
 912        case 96000:
 913                priv->sysclk = 19200000;
 914                break;
 915        default:
 916                dev_err(component->dev, "unsupported rate %d\n", rate);
 917                return -EINVAL;
 918        }
 919
 920        return 0;
 921}
 922
 923static int twl6040_prepare(struct snd_pcm_substream *substream,
 924                        struct snd_soc_dai *dai)
 925{
 926        struct snd_soc_component *component = dai->component;
 927        struct twl6040 *twl6040 = to_twl6040(component);
 928        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 929        int ret;
 930
 931        if (!priv->sysclk) {
 932                dev_err(component->dev,
 933                        "no mclk configured, call set_sysclk() on init\n");
 934                return -EINVAL;
 935        }
 936
 937        ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
 938        if (ret) {
 939                dev_err(component->dev, "Can not set PLL (%d)\n", ret);
 940                return -EPERM;
 941        }
 942
 943        return 0;
 944}
 945
 946static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
 947                int clk_id, unsigned int freq, int dir)
 948{
 949        struct snd_soc_component *component = codec_dai->component;
 950        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 951
 952        switch (clk_id) {
 953        case TWL6040_SYSCLK_SEL_LPPLL:
 954        case TWL6040_SYSCLK_SEL_HPPLL:
 955                priv->pll = clk_id;
 956                priv->clk_in = freq;
 957                break;
 958        default:
 959                dev_err(component->dev, "unknown clk_id %d\n", clk_id);
 960                return -EINVAL;
 961        }
 962
 963        return 0;
 964}
 965
 966static void twl6040_mute_path(struct snd_soc_component *component, enum twl6040_dai_id id,
 967                             int mute)
 968{
 969        struct twl6040 *twl6040 = to_twl6040(component);
 970        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
 971        int hslctl, hsrctl, earctl;
 972        int hflctl, hfrctl;
 973
 974        switch (id) {
 975        case TWL6040_DAI_DL1:
 976                hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
 977                hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
 978                earctl = twl6040_read(component, TWL6040_REG_EARCTL);
 979
 980                if (mute) {
 981                        /* Power down drivers and DACs */
 982                        earctl &= ~0x01;
 983                        hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
 984                        hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
 985
 986                }
 987
 988                twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
 989                twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
 990                twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
 991                priv->dl1_unmuted = !mute;
 992                break;
 993        case TWL6040_DAI_DL2:
 994                hflctl = twl6040_read(component, TWL6040_REG_HFLCTL);
 995                hfrctl = twl6040_read(component, TWL6040_REG_HFRCTL);
 996
 997                if (mute) {
 998                        /* Power down drivers and DACs */
 999                        hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1000                                    TWL6040_HFDRVENA | TWL6040_HFSWENA);
1001                        hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
1002                                    TWL6040_HFDRVENA | TWL6040_HFSWENA);
1003                }
1004
1005                twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
1006                twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
1007                priv->dl2_unmuted = !mute;
1008                break;
1009        default:
1010                break;
1011        }
1012}
1013
1014static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
1015{
1016        switch (dai->id) {
1017        case TWL6040_DAI_LEGACY:
1018                twl6040_mute_path(dai->component, TWL6040_DAI_DL1, mute);
1019                twl6040_mute_path(dai->component, TWL6040_DAI_DL2, mute);
1020                break;
1021        case TWL6040_DAI_DL1:
1022        case TWL6040_DAI_DL2:
1023                twl6040_mute_path(dai->component, dai->id, mute);
1024                break;
1025        default:
1026                break;
1027        }
1028
1029        return 0;
1030}
1031
1032static const struct snd_soc_dai_ops twl6040_dai_ops = {
1033        .startup        = twl6040_startup,
1034        .hw_params      = twl6040_hw_params,
1035        .prepare        = twl6040_prepare,
1036        .set_sysclk     = twl6040_set_dai_sysclk,
1037        .digital_mute   = twl6040_digital_mute,
1038};
1039
1040static struct snd_soc_dai_driver twl6040_dai[] = {
1041{
1042        .name = "twl6040-legacy",
1043        .id = TWL6040_DAI_LEGACY,
1044        .playback = {
1045                .stream_name = "Legacy Playback",
1046                .channels_min = 1,
1047                .channels_max = 5,
1048                .rates = TWL6040_RATES,
1049                .formats = TWL6040_FORMATS,
1050        },
1051        .capture = {
1052                .stream_name = "Legacy Capture",
1053                .channels_min = 1,
1054                .channels_max = 2,
1055                .rates = TWL6040_RATES,
1056                .formats = TWL6040_FORMATS,
1057        },
1058        .ops = &twl6040_dai_ops,
1059},
1060{
1061        .name = "twl6040-ul",
1062        .id = TWL6040_DAI_UL,
1063        .capture = {
1064                .stream_name = "Capture",
1065                .channels_min = 1,
1066                .channels_max = 2,
1067                .rates = TWL6040_RATES,
1068                .formats = TWL6040_FORMATS,
1069        },
1070        .ops = &twl6040_dai_ops,
1071},
1072{
1073        .name = "twl6040-dl1",
1074        .id = TWL6040_DAI_DL1,
1075        .playback = {
1076                .stream_name = "Headset Playback",
1077                .channels_min = 1,
1078                .channels_max = 2,
1079                .rates = TWL6040_RATES,
1080                .formats = TWL6040_FORMATS,
1081        },
1082        .ops = &twl6040_dai_ops,
1083},
1084{
1085        .name = "twl6040-dl2",
1086        .id = TWL6040_DAI_DL2,
1087        .playback = {
1088                .stream_name = "Handsfree Playback",
1089                .channels_min = 1,
1090                .channels_max = 2,
1091                .rates = TWL6040_RATES,
1092                .formats = TWL6040_FORMATS,
1093        },
1094        .ops = &twl6040_dai_ops,
1095},
1096{
1097        .name = "twl6040-vib",
1098        .id = TWL6040_DAI_VIB,
1099        .playback = {
1100                .stream_name = "Vibra Playback",
1101                .channels_min = 1,
1102                .channels_max = 1,
1103                .rates = SNDRV_PCM_RATE_CONTINUOUS,
1104                .formats = TWL6040_FORMATS,
1105        },
1106        .ops = &twl6040_dai_ops,
1107},
1108};
1109
1110static int twl6040_probe(struct snd_soc_component *component)
1111{
1112        struct twl6040_data *priv;
1113        struct platform_device *pdev = to_platform_device(component->dev);
1114        int ret = 0;
1115
1116        priv = devm_kzalloc(component->dev, sizeof(*priv), GFP_KERNEL);
1117        if (priv == NULL)
1118                return -ENOMEM;
1119
1120        snd_soc_component_set_drvdata(component, priv);
1121
1122        priv->component = component;
1123
1124        priv->plug_irq = platform_get_irq(pdev, 0);
1125        if (priv->plug_irq < 0) {
1126                dev_err(component->dev, "invalid irq: %d\n", priv->plug_irq);
1127                return priv->plug_irq;
1128        }
1129
1130        INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
1131
1132        mutex_init(&priv->mutex);
1133
1134        ret = request_threaded_irq(priv->plug_irq, NULL,
1135                                        twl6040_audio_handler,
1136                                        IRQF_NO_SUSPEND | IRQF_ONESHOT,
1137                                        "twl6040_irq_plug", component);
1138        if (ret) {
1139                dev_err(component->dev, "PLUG IRQ request failed: %d\n", ret);
1140                return ret;
1141        }
1142
1143        snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
1144        twl6040_init_chip(component);
1145
1146        return 0;
1147}
1148
1149static void twl6040_remove(struct snd_soc_component *component)
1150{
1151        struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
1152
1153        free_irq(priv->plug_irq, component);
1154}
1155
1156static const struct snd_soc_component_driver soc_component_dev_twl6040 = {
1157        .probe                  = twl6040_probe,
1158        .remove                 = twl6040_remove,
1159        .read                   = twl6040_read,
1160        .write                  = twl6040_write,
1161        .set_bias_level         = twl6040_set_bias_level,
1162        .controls               = twl6040_snd_controls,
1163        .num_controls           = ARRAY_SIZE(twl6040_snd_controls),
1164        .dapm_widgets           = twl6040_dapm_widgets,
1165        .num_dapm_widgets       = ARRAY_SIZE(twl6040_dapm_widgets),
1166        .dapm_routes            = intercon,
1167        .num_dapm_routes        = ARRAY_SIZE(intercon),
1168        .suspend_bias_off       = 1,
1169        .idle_bias_on           = 1,
1170        .endianness             = 1,
1171        .non_legacy_dai_naming  = 1,
1172};
1173
1174static int twl6040_codec_probe(struct platform_device *pdev)
1175{
1176        return devm_snd_soc_register_component(&pdev->dev,
1177                                      &soc_component_dev_twl6040,
1178                                      twl6040_dai, ARRAY_SIZE(twl6040_dai));
1179}
1180
1181static struct platform_driver twl6040_codec_driver = {
1182        .driver = {
1183                .name = "twl6040-codec",
1184        },
1185        .probe = twl6040_codec_probe,
1186};
1187
1188module_platform_driver(twl6040_codec_driver);
1189
1190MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
1191MODULE_AUTHOR("Misael Lopez Cruz");
1192MODULE_LICENSE("GPL");
1193