1177 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2/*3 * ALSA SoC TWL6040 codec driver4 *5 * Author: Misael Lopez Cruz <x0052729@ti.com>6 */7 8#include <linux/module.h>9#include <linux/moduleparam.h>10#include <linux/init.h>11#include <linux/delay.h>12#include <linux/pm.h>13#include <linux/platform_device.h>14#include <linux/slab.h>15#include <linux/mfd/twl6040.h>16 17#include <sound/core.h>18#include <sound/pcm.h>19#include <sound/pcm_params.h>20#include <sound/soc.h>21#include <sound/soc-dapm.h>22#include <sound/initval.h>23#include <sound/tlv.h>24 25#include "twl6040.h"26 27enum twl6040_dai_id {28 TWL6040_DAI_LEGACY = 0,29 TWL6040_DAI_UL,30 TWL6040_DAI_DL1,31 TWL6040_DAI_DL2,32 TWL6040_DAI_VIB,33};34 35#define TWL6040_RATES SNDRV_PCM_RATE_8000_9600036#define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)37 38#define TWL6040_OUTHS_0dB 0x0039#define TWL6040_OUTHS_M30dB 0x0F40#define TWL6040_OUTHF_0dB 0x0341#define TWL6040_OUTHF_M52dB 0x1D42 43#define TWL6040_CACHEREGNUM (TWL6040_REG_STATUS + 1)44 45struct twl6040_jack_data {46 struct snd_soc_jack *jack;47 struct delayed_work work;48 int report;49};50 51/* codec private data */52struct twl6040_data {53 int plug_irq;54 int codec_powered;55 int pll;56 int pll_power_mode;57 int hs_power_mode;58 int hs_power_mode_locked;59 bool dl1_unmuted;60 bool dl2_unmuted;61 u8 dl12_cache[TWL6040_REG_HFRCTL - TWL6040_REG_HSLCTL + 1];62 unsigned int clk_in;63 unsigned int sysclk;64 struct twl6040_jack_data hs_jack;65 struct snd_soc_component *component;66 struct mutex mutex;67};68 69/* set of rates for each pll: low-power and high-performance */70static const unsigned int lp_rates[] = {71 8000,72 11250,73 16000,74 22500,75 32000,76 44100,77 48000,78 88200,79 96000,80};81 82static const unsigned int hp_rates[] = {83 8000,84 16000,85 32000,86 48000,87 96000,88};89 90static const struct snd_pcm_hw_constraint_list sysclk_constraints[] = {91 { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },92 { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },93};94 95#define to_twl6040(component) dev_get_drvdata((component)->dev->parent)96 97static unsigned int twl6040_read(struct snd_soc_component *component, unsigned int reg)98{99 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);100 struct twl6040 *twl6040 = to_twl6040(component);101 u8 value;102 103 if (reg >= TWL6040_CACHEREGNUM)104 return -EIO;105 106 switch (reg) {107 case TWL6040_REG_HSLCTL:108 case TWL6040_REG_HSRCTL:109 case TWL6040_REG_EARCTL:110 case TWL6040_REG_HFLCTL:111 case TWL6040_REG_HFRCTL:112 value = priv->dl12_cache[reg - TWL6040_REG_HSLCTL];113 break;114 default:115 value = twl6040_reg_read(twl6040, reg);116 break;117 }118 119 return value;120}121 122static bool twl6040_can_write_to_chip(struct snd_soc_component *component,123 unsigned int reg)124{125 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);126 127 switch (reg) {128 case TWL6040_REG_HSLCTL:129 case TWL6040_REG_HSRCTL:130 case TWL6040_REG_EARCTL:131 /* DL1 path */132 return priv->dl1_unmuted;133 case TWL6040_REG_HFLCTL:134 case TWL6040_REG_HFRCTL:135 return priv->dl2_unmuted;136 default:137 return true;138 }139}140 141static inline void twl6040_update_dl12_cache(struct snd_soc_component *component,142 u8 reg, u8 value)143{144 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);145 146 switch (reg) {147 case TWL6040_REG_HSLCTL:148 case TWL6040_REG_HSRCTL:149 case TWL6040_REG_EARCTL:150 case TWL6040_REG_HFLCTL:151 case TWL6040_REG_HFRCTL:152 priv->dl12_cache[reg - TWL6040_REG_HSLCTL] = value;153 break;154 default:155 break;156 }157}158 159static int twl6040_write(struct snd_soc_component *component,160 unsigned int reg, unsigned int value)161{162 struct twl6040 *twl6040 = to_twl6040(component);163 164 if (reg >= TWL6040_CACHEREGNUM)165 return -EIO;166 167 twl6040_update_dl12_cache(component, reg, value);168 if (twl6040_can_write_to_chip(component, reg))169 return twl6040_reg_write(twl6040, reg, value);170 else171 return 0;172}173 174static void twl6040_init_chip(struct snd_soc_component *component)175{176 twl6040_read(component, TWL6040_REG_TRIM1);177 twl6040_read(component, TWL6040_REG_TRIM2);178 twl6040_read(component, TWL6040_REG_TRIM3);179 twl6040_read(component, TWL6040_REG_HSOTRIM);180 twl6040_read(component, TWL6040_REG_HFOTRIM);181 182 /* Change chip defaults */183 /* No imput selected for microphone amplifiers */184 twl6040_write(component, TWL6040_REG_MICLCTL, 0x18);185 twl6040_write(component, TWL6040_REG_MICRCTL, 0x18);186 187 /*188 * We need to lower the default gain values, so the ramp code189 * can work correctly for the first playback.190 * This reduces the pop noise heard at the first playback.191 */192 twl6040_write(component, TWL6040_REG_HSGAIN, 0xff);193 twl6040_write(component, TWL6040_REG_EARCTL, 0x1e);194 twl6040_write(component, TWL6040_REG_HFLGAIN, 0x1d);195 twl6040_write(component, TWL6040_REG_HFRGAIN, 0x1d);196 twl6040_write(component, TWL6040_REG_LINEGAIN, 0);197}198 199/* set headset dac and driver power mode */200static int headset_power_mode(struct snd_soc_component *component, int high_perf)201{202 int hslctl, hsrctl;203 int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;204 205 hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);206 hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);207 208 if (high_perf) {209 hslctl &= ~mask;210 hsrctl &= ~mask;211 } else {212 hslctl |= mask;213 hsrctl |= mask;214 }215 216 twl6040_write(component, TWL6040_REG_HSLCTL, hslctl);217 twl6040_write(component, TWL6040_REG_HSRCTL, hsrctl);218 219 return 0;220}221 222static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,223 struct snd_kcontrol *kcontrol, int event)224{225 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);226 u8 hslctl, hsrctl;227 228 /*229 * Workaround for Headset DC offset caused pop noise:230 * Both HS DAC need to be turned on (before the HS driver) and off at231 * the same time.232 */233 hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);234 hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);235 if (SND_SOC_DAPM_EVENT_ON(event)) {236 hslctl |= TWL6040_HSDACENA;237 hsrctl |= TWL6040_HSDACENA;238 } else {239 hslctl &= ~TWL6040_HSDACENA;240 hsrctl &= ~TWL6040_HSDACENA;241 }242 twl6040_write(component, TWL6040_REG_HSLCTL, hslctl);243 twl6040_write(component, TWL6040_REG_HSRCTL, hsrctl);244 245 msleep(1);246 return 0;247}248 249static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,250 struct snd_kcontrol *kcontrol, int event)251{252 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);253 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);254 int ret = 0;255 256 if (SND_SOC_DAPM_EVENT_ON(event)) {257 /* Earphone doesn't support low power mode */258 priv->hs_power_mode_locked = 1;259 ret = headset_power_mode(component, 1);260 } else {261 priv->hs_power_mode_locked = 0;262 ret = headset_power_mode(component, priv->hs_power_mode);263 }264 265 msleep(1);266 267 return ret;268}269 270static void twl6040_hs_jack_report(struct snd_soc_component *component,271 struct snd_soc_jack *jack, int report)272{273 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);274 int status;275 276 mutex_lock(&priv->mutex);277 278 /* Sync status */279 status = twl6040_read(component, TWL6040_REG_STATUS);280 if (status & TWL6040_PLUGCOMP)281 snd_soc_jack_report(jack, report, report);282 else283 snd_soc_jack_report(jack, 0, report);284 285 mutex_unlock(&priv->mutex);286}287 288void twl6040_hs_jack_detect(struct snd_soc_component *component,289 struct snd_soc_jack *jack, int report)290{291 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);292 struct twl6040_jack_data *hs_jack = &priv->hs_jack;293 294 hs_jack->jack = jack;295 hs_jack->report = report;296 297 twl6040_hs_jack_report(component, hs_jack->jack, hs_jack->report);298}299EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);300 301static void twl6040_accessory_work(struct work_struct *work)302{303 struct twl6040_data *priv = container_of(work,304 struct twl6040_data, hs_jack.work.work);305 struct snd_soc_component *component = priv->component;306 struct twl6040_jack_data *hs_jack = &priv->hs_jack;307 308 twl6040_hs_jack_report(component, hs_jack->jack, hs_jack->report);309}310 311/* audio interrupt handler */312static irqreturn_t twl6040_audio_handler(int irq, void *data)313{314 struct snd_soc_component *component = data;315 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);316 317 queue_delayed_work(system_power_efficient_wq,318 &priv->hs_jack.work, msecs_to_jiffies(200));319 320 return IRQ_HANDLED;321}322 323static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,324 struct snd_ctl_elem_value *ucontrol)325{326 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);327 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;328 unsigned int val;329 330 /* Do not allow changes while Input/FF efect is running */331 val = twl6040_read(component, e->reg);332 if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))333 return -EBUSY;334 335 return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);336}337 338/*339 * MICATT volume control:340 * from -6 to 0 dB in 6 dB steps341 */342static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);343 344/*345 * MICGAIN volume control:346 * from 6 to 30 dB in 6 dB steps347 */348static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);349 350/*351 * AFMGAIN volume control:352 * from -18 to 24 dB in 6 dB steps353 */354static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);355 356/*357 * HSGAIN volume control:358 * from -30 to 0 dB in 2 dB steps359 */360static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);361 362/*363 * HFGAIN volume control:364 * from -52 to 6 dB in 2 dB steps365 */366static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);367 368/*369 * EPGAIN volume control:370 * from -24 to 6 dB in 2 dB steps371 */372static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);373 374/* Left analog microphone selection */375static const char *twl6040_amicl_texts[] =376 {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};377 378/* Right analog microphone selection */379static const char *twl6040_amicr_texts[] =380 {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};381 382static const struct soc_enum twl6040_enum[] = {383 SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3,384 ARRAY_SIZE(twl6040_amicl_texts), twl6040_amicl_texts),385 SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3,386 ARRAY_SIZE(twl6040_amicr_texts), twl6040_amicr_texts),387};388 389static const char *twl6040_hs_texts[] = {390 "Off", "HS DAC", "Line-In amp"391};392 393static const struct soc_enum twl6040_hs_enum[] = {394 SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),395 twl6040_hs_texts),396 SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),397 twl6040_hs_texts),398};399 400static const char *twl6040_hf_texts[] = {401 "Off", "HF DAC", "Line-In amp"402};403 404static const struct soc_enum twl6040_hf_enum[] = {405 SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),406 twl6040_hf_texts),407 SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),408 twl6040_hf_texts),409};410 411static const char *twl6040_vibrapath_texts[] = {412 "Input FF", "Audio PDM"413};414 415static const struct soc_enum twl6040_vibra_enum[] = {416 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,417 ARRAY_SIZE(twl6040_vibrapath_texts),418 twl6040_vibrapath_texts),419 SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,420 ARRAY_SIZE(twl6040_vibrapath_texts),421 twl6040_vibrapath_texts),422};423 424static const struct snd_kcontrol_new amicl_control =425 SOC_DAPM_ENUM("Route", twl6040_enum[0]);426 427static const struct snd_kcontrol_new amicr_control =428 SOC_DAPM_ENUM("Route", twl6040_enum[1]);429 430/* Headset DAC playback switches */431static const struct snd_kcontrol_new hsl_mux_controls =432 SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);433 434static const struct snd_kcontrol_new hsr_mux_controls =435 SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);436 437/* Handsfree DAC playback switches */438static const struct snd_kcontrol_new hfl_mux_controls =439 SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);440 441static const struct snd_kcontrol_new hfr_mux_controls =442 SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);443 444static const struct snd_kcontrol_new ep_path_enable_control =445 SOC_DAPM_SINGLE_VIRT("Switch", 1);446 447static const struct snd_kcontrol_new auxl_switch_control =448 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);449 450static const struct snd_kcontrol_new auxr_switch_control =451 SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);452 453/* Vibra playback switches */454static const struct snd_kcontrol_new vibral_mux_controls =455 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],456 snd_soc_dapm_get_enum_double,457 twl6040_soc_dapm_put_vibra_enum);458 459static const struct snd_kcontrol_new vibrar_mux_controls =460 SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],461 snd_soc_dapm_get_enum_double,462 twl6040_soc_dapm_put_vibra_enum);463 464/* Headset power mode */465static const char *twl6040_power_mode_texts[] = {466 "Low-Power", "High-Performance",467};468 469static SOC_ENUM_SINGLE_EXT_DECL(twl6040_power_mode_enum,470 twl6040_power_mode_texts);471 472static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,473 struct snd_ctl_elem_value *ucontrol)474{475 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);476 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);477 478 ucontrol->value.enumerated.item[0] = priv->hs_power_mode;479 480 return 0;481}482 483static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,484 struct snd_ctl_elem_value *ucontrol)485{486 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);487 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);488 int high_perf = ucontrol->value.enumerated.item[0];489 int ret = 0;490 491 if (!priv->hs_power_mode_locked)492 ret = headset_power_mode(component, high_perf);493 494 if (!ret)495 priv->hs_power_mode = high_perf;496 497 return ret;498}499 500static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,501 struct snd_ctl_elem_value *ucontrol)502{503 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);504 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);505 506 ucontrol->value.enumerated.item[0] = priv->pll_power_mode;507 508 return 0;509}510 511static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,512 struct snd_ctl_elem_value *ucontrol)513{514 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);515 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);516 517 priv->pll_power_mode = ucontrol->value.enumerated.item[0];518 519 return 0;520}521 522int twl6040_get_dl1_gain(struct snd_soc_component *component)523{524 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);525 526 if (snd_soc_dapm_get_pin_status(dapm, "EP"))527 return -1; /* -1dB */528 529 if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||530 snd_soc_dapm_get_pin_status(dapm, "HSOL")) {531 532 u8 val = twl6040_read(component, TWL6040_REG_HSLCTL);533 if (val & TWL6040_HSDACMODE)534 /* HSDACL in LP mode */535 return -8; /* -8dB */536 else537 /* HSDACL in HP mode */538 return -1; /* -1dB */539 }540 return 0; /* 0dB */541}542EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);543 544int twl6040_get_clk_id(struct snd_soc_component *component)545{546 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);547 548 return priv->pll_power_mode;549}550EXPORT_SYMBOL_GPL(twl6040_get_clk_id);551 552int twl6040_get_trim_value(struct snd_soc_component *component, enum twl6040_trim trim)553{554 if (unlikely(trim >= TWL6040_TRIM_INVAL))555 return -EINVAL;556 557 return twl6040_read(component, TWL6040_REG_TRIM1 + trim);558}559EXPORT_SYMBOL_GPL(twl6040_get_trim_value);560 561int twl6040_get_hs_step_size(struct snd_soc_component *component)562{563 struct twl6040 *twl6040 = to_twl6040(component);564 565 if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)566 /* For ES under ES_1.3 HS step is 2 mV */567 return 2;568 else569 /* For ES_1.3 HS step is 1 mV */570 return 1;571}572EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);573 574static const struct snd_kcontrol_new twl6040_snd_controls[] = {575 /* Capture gains */576 SOC_DOUBLE_TLV("Capture Preamplifier Volume",577 TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),578 SOC_DOUBLE_TLV("Capture Volume",579 TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),580 581 /* AFM gains */582 SOC_DOUBLE_TLV("Aux FM Volume",583 TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),584 585 /* Playback gains */586 SOC_DOUBLE_TLV("Headset Playback Volume",587 TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),588 SOC_DOUBLE_R_TLV("Handsfree Playback Volume",589 TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),590 SOC_SINGLE_TLV("Earphone Playback Volume",591 TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),592 593 SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,594 twl6040_headset_power_get_enum,595 twl6040_headset_power_put_enum),596 597 /* Left HS PDM data routed to Right HSDAC */598 SOC_SINGLE("Headset Mono to Stereo Playback Switch",599 TWL6040_REG_HSRCTL, 7, 1, 0),600 601 /* Left HF PDM data routed to Right HFDAC */602 SOC_SINGLE("Handsfree Mono to Stereo Playback Switch",603 TWL6040_REG_HFRCTL, 5, 1, 0),604 605 SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,606 twl6040_pll_get_enum, twl6040_pll_put_enum),607};608 609static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {610 /* Inputs */611 SND_SOC_DAPM_INPUT("MAINMIC"),612 SND_SOC_DAPM_INPUT("HSMIC"),613 SND_SOC_DAPM_INPUT("SUBMIC"),614 SND_SOC_DAPM_INPUT("AFML"),615 SND_SOC_DAPM_INPUT("AFMR"),616 617 /* Outputs */618 SND_SOC_DAPM_OUTPUT("HSOL"),619 SND_SOC_DAPM_OUTPUT("HSOR"),620 SND_SOC_DAPM_OUTPUT("HFL"),621 SND_SOC_DAPM_OUTPUT("HFR"),622 SND_SOC_DAPM_OUTPUT("EP"),623 SND_SOC_DAPM_OUTPUT("AUXL"),624 SND_SOC_DAPM_OUTPUT("AUXR"),625 SND_SOC_DAPM_OUTPUT("VIBRAL"),626 SND_SOC_DAPM_OUTPUT("VIBRAR"),627 628 /* Analog input muxes for the capture amplifiers */629 SND_SOC_DAPM_MUX("Analog Left Capture Route",630 SND_SOC_NOPM, 0, 0, &amicl_control),631 SND_SOC_DAPM_MUX("Analog Right Capture Route",632 SND_SOC_NOPM, 0, 0, &amicr_control),633 634 /* Analog capture PGAs */635 SND_SOC_DAPM_PGA("MicAmpL",636 TWL6040_REG_MICLCTL, 0, 0, NULL, 0),637 SND_SOC_DAPM_PGA("MicAmpR",638 TWL6040_REG_MICRCTL, 0, 0, NULL, 0),639 640 /* Auxiliary FM PGAs */641 SND_SOC_DAPM_PGA("AFMAmpL",642 TWL6040_REG_MICLCTL, 1, 0, NULL, 0),643 SND_SOC_DAPM_PGA("AFMAmpR",644 TWL6040_REG_MICRCTL, 1, 0, NULL, 0),645 646 /* ADCs */647 SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),648 SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),649 650 /* Microphone bias */651 SND_SOC_DAPM_SUPPLY("Headset Mic Bias",652 TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),653 SND_SOC_DAPM_SUPPLY("Main Mic Bias",654 TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),655 SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",656 TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),657 SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",658 TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),659 660 /* DACs */661 SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),662 SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),663 SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),664 SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),665 /* Virtual DAC for vibra path (DL4 channel) */666 SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),667 668 SND_SOC_DAPM_MUX("Handsfree Left Playback",669 SND_SOC_NOPM, 0, 0, &hfl_mux_controls),670 SND_SOC_DAPM_MUX("Handsfree Right Playback",671 SND_SOC_NOPM, 0, 0, &hfr_mux_controls),672 /* Analog playback Muxes */673 SND_SOC_DAPM_MUX("Headset Left Playback",674 SND_SOC_NOPM, 0, 0, &hsl_mux_controls),675 SND_SOC_DAPM_MUX("Headset Right Playback",676 SND_SOC_NOPM, 0, 0, &hsr_mux_controls),677 678 SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,679 &vibral_mux_controls),680 SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,681 &vibrar_mux_controls),682 683 SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,684 &ep_path_enable_control),685 SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,686 &auxl_switch_control),687 SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,688 &auxr_switch_control),689 690 /* Analog playback drivers */691 SND_SOC_DAPM_OUT_DRV("HF Left Driver",692 TWL6040_REG_HFLCTL, 4, 0, NULL, 0),693 SND_SOC_DAPM_OUT_DRV("HF Right Driver",694 TWL6040_REG_HFRCTL, 4, 0, NULL, 0),695 SND_SOC_DAPM_OUT_DRV("HS Left Driver",696 TWL6040_REG_HSLCTL, 2, 0, NULL, 0),697 SND_SOC_DAPM_OUT_DRV("HS Right Driver",698 TWL6040_REG_HSRCTL, 2, 0, NULL, 0),699 SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",700 TWL6040_REG_EARCTL, 0, 0, NULL, 0,701 twl6040_ep_drv_event,702 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),703 SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",704 TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),705 SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",706 TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),707 708 SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,709 NULL, 0),710 SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,711 NULL, 0),712 SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,713 twl6040_hs_dac_event,714 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),715 716 /* Analog playback PGAs */717 SND_SOC_DAPM_PGA("HF Left PGA",718 TWL6040_REG_HFLCTL, 1, 0, NULL, 0),719 SND_SOC_DAPM_PGA("HF Right PGA",720 TWL6040_REG_HFRCTL, 1, 0, NULL, 0),721 722};723 724static const struct snd_soc_dapm_route intercon[] = {725 /* Stream -> DAC mapping */726 {"HSDAC Left", NULL, "Legacy Playback"},727 {"HSDAC Left", NULL, "Headset Playback"},728 {"HSDAC Right", NULL, "Legacy Playback"},729 {"HSDAC Right", NULL, "Headset Playback"},730 731 {"HFDAC Left", NULL, "Legacy Playback"},732 {"HFDAC Left", NULL, "Handsfree Playback"},733 {"HFDAC Right", NULL, "Legacy Playback"},734 {"HFDAC Right", NULL, "Handsfree Playback"},735 736 {"VIBRA DAC", NULL, "Legacy Playback"},737 {"VIBRA DAC", NULL, "Vibra Playback"},738 739 /* ADC -> Stream mapping */740 {"Legacy Capture" , NULL, "ADC Left"},741 {"Capture", NULL, "ADC Left"},742 {"Legacy Capture", NULL, "ADC Right"},743 {"Capture" , NULL, "ADC Right"},744 745 /* Capture path */746 {"Analog Left Capture Route", "Headset Mic", "HSMIC"},747 {"Analog Left Capture Route", "Main Mic", "MAINMIC"},748 {"Analog Left Capture Route", "Aux/FM Left", "AFML"},749 750 {"Analog Right Capture Route", "Headset Mic", "HSMIC"},751 {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},752 {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},753 754 {"MicAmpL", NULL, "Analog Left Capture Route"},755 {"MicAmpR", NULL, "Analog Right Capture Route"},756 757 {"ADC Left", NULL, "MicAmpL"},758 {"ADC Right", NULL, "MicAmpR"},759 760 /* AFM path */761 {"AFMAmpL", NULL, "AFML"},762 {"AFMAmpR", NULL, "AFMR"},763 764 {"HSDAC Left", NULL, "HSDAC Power"},765 {"HSDAC Right", NULL, "HSDAC Power"},766 767 {"Headset Left Playback", "HS DAC", "HSDAC Left"},768 {"Headset Left Playback", "Line-In amp", "AFMAmpL"},769 770 {"Headset Right Playback", "HS DAC", "HSDAC Right"},771 {"Headset Right Playback", "Line-In amp", "AFMAmpR"},772 773 {"HS Left Driver", NULL, "Headset Left Playback"},774 {"HS Right Driver", NULL, "Headset Right Playback"},775 776 {"HSOL", NULL, "HS Left Driver"},777 {"HSOR", NULL, "HS Right Driver"},778 779 /* Earphone playback path */780 {"Earphone Playback", "Switch", "HSDAC Left"},781 {"Earphone Driver", NULL, "Earphone Playback"},782 {"EP", NULL, "Earphone Driver"},783 784 {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},785 {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},786 787 {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},788 {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},789 790 {"HF Left PGA", NULL, "Handsfree Left Playback"},791 {"HF Right PGA", NULL, "Handsfree Right Playback"},792 793 {"HF Left Driver", NULL, "HF Left PGA"},794 {"HF Right Driver", NULL, "HF Right PGA"},795 796 {"HFL", NULL, "HF Left Driver"},797 {"HFR", NULL, "HF Right Driver"},798 799 {"AUXL Playback", "Switch", "HF Left PGA"},800 {"AUXR Playback", "Switch", "HF Right PGA"},801 802 {"AUXL", NULL, "AUXL Playback"},803 {"AUXR", NULL, "AUXR Playback"},804 805 /* Vibrator paths */806 {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},807 {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},808 809 {"Vibra Left Driver", NULL, "Vibra Left Playback"},810 {"Vibra Right Driver", NULL, "Vibra Right Playback"},811 {"Vibra Left Driver", NULL, "Vibra Left Control"},812 {"Vibra Right Driver", NULL, "Vibra Right Control"},813 814 {"VIBRAL", NULL, "Vibra Left Driver"},815 {"VIBRAR", NULL, "Vibra Right Driver"},816};817 818static int twl6040_set_bias_level(struct snd_soc_component *component,819 enum snd_soc_bias_level level)820{821 struct twl6040 *twl6040 = to_twl6040(component);822 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);823 int ret = 0;824 825 switch (level) {826 case SND_SOC_BIAS_ON:827 break;828 case SND_SOC_BIAS_PREPARE:829 break;830 case SND_SOC_BIAS_STANDBY:831 if (priv->codec_powered) {832 /* Select low power PLL in standby */833 ret = twl6040_set_pll(twl6040, TWL6040_SYSCLK_SEL_LPPLL,834 32768, 19200000);835 break;836 }837 838 ret = twl6040_power(twl6040, 1);839 if (ret)840 break;841 842 priv->codec_powered = 1;843 844 /* Set external boost GPO */845 twl6040_write(component, TWL6040_REG_GPOCTL, 0x02);846 break;847 case SND_SOC_BIAS_OFF:848 if (!priv->codec_powered)849 break;850 851 twl6040_power(twl6040, 0);852 priv->codec_powered = 0;853 break;854 }855 856 return ret;857}858 859static int twl6040_startup(struct snd_pcm_substream *substream,860 struct snd_soc_dai *dai)861{862 struct snd_soc_component *component = dai->component;863 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);864 865 snd_pcm_hw_constraint_list(substream->runtime, 0,866 SNDRV_PCM_HW_PARAM_RATE,867 &sysclk_constraints[priv->pll_power_mode]);868 869 return 0;870}871 872static int twl6040_hw_params(struct snd_pcm_substream *substream,873 struct snd_pcm_hw_params *params,874 struct snd_soc_dai *dai)875{876 struct snd_soc_component *component = dai->component;877 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);878 int rate;879 880 rate = params_rate(params);881 switch (rate) {882 case 11250:883 case 22500:884 case 44100:885 case 88200:886 /* These rates are not supported when HPPLL is in use */887 if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {888 dev_err(component->dev, "HPPLL does not support rate %d\n",889 rate);890 return -EINVAL;891 }892 priv->sysclk = 17640000;893 break;894 case 8000:895 case 16000:896 case 32000:897 case 48000:898 case 96000:899 priv->sysclk = 19200000;900 break;901 default:902 dev_err(component->dev, "unsupported rate %d\n", rate);903 return -EINVAL;904 }905 906 return 0;907}908 909static int twl6040_prepare(struct snd_pcm_substream *substream,910 struct snd_soc_dai *dai)911{912 struct snd_soc_component *component = dai->component;913 struct twl6040 *twl6040 = to_twl6040(component);914 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);915 int ret;916 917 if (!priv->sysclk) {918 dev_err(component->dev,919 "no mclk configured, call set_sysclk() on init\n");920 return -EINVAL;921 }922 923 ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);924 if (ret) {925 dev_err(component->dev, "Can not set PLL (%d)\n", ret);926 return -EPERM;927 }928 929 return 0;930}931 932static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,933 int clk_id, unsigned int freq, int dir)934{935 struct snd_soc_component *component = codec_dai->component;936 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);937 938 switch (clk_id) {939 case TWL6040_SYSCLK_SEL_LPPLL:940 case TWL6040_SYSCLK_SEL_HPPLL:941 priv->pll = clk_id;942 priv->clk_in = freq;943 break;944 default:945 dev_err(component->dev, "unknown clk_id %d\n", clk_id);946 return -EINVAL;947 }948 949 return 0;950}951 952static void twl6040_mute_path(struct snd_soc_component *component, enum twl6040_dai_id id,953 int mute)954{955 struct twl6040 *twl6040 = to_twl6040(component);956 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);957 int hslctl, hsrctl, earctl;958 int hflctl, hfrctl;959 960 switch (id) {961 case TWL6040_DAI_DL1:962 hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);963 hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);964 earctl = twl6040_read(component, TWL6040_REG_EARCTL);965 966 if (mute) {967 /* Power down drivers and DACs */968 earctl &= ~0x01;969 hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);970 hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);971 972 }973 974 twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);975 twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);976 twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);977 priv->dl1_unmuted = !mute;978 break;979 case TWL6040_DAI_DL2:980 hflctl = twl6040_read(component, TWL6040_REG_HFLCTL);981 hfrctl = twl6040_read(component, TWL6040_REG_HFRCTL);982 983 if (mute) {984 /* Power down drivers and DACs */985 hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |986 TWL6040_HFDRVENA | TWL6040_HFSWENA);987 hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |988 TWL6040_HFDRVENA | TWL6040_HFSWENA);989 }990 991 twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);992 twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);993 priv->dl2_unmuted = !mute;994 break;995 default:996 break;997 }998}999 1000static int twl6040_mute_stream(struct snd_soc_dai *dai, int mute, int direction)1001{1002 switch (dai->id) {1003 case TWL6040_DAI_LEGACY:1004 twl6040_mute_path(dai->component, TWL6040_DAI_DL1, mute);1005 twl6040_mute_path(dai->component, TWL6040_DAI_DL2, mute);1006 break;1007 case TWL6040_DAI_DL1:1008 case TWL6040_DAI_DL2:1009 twl6040_mute_path(dai->component, dai->id, mute);1010 break;1011 default:1012 break;1013 }1014 1015 return 0;1016}1017 1018static const struct snd_soc_dai_ops twl6040_dai_ops = {1019 .startup = twl6040_startup,1020 .hw_params = twl6040_hw_params,1021 .prepare = twl6040_prepare,1022 .set_sysclk = twl6040_set_dai_sysclk,1023 .mute_stream = twl6040_mute_stream,1024 .no_capture_mute = 1,1025};1026 1027static struct snd_soc_dai_driver twl6040_dai[] = {1028{1029 .name = "twl6040-legacy",1030 .id = TWL6040_DAI_LEGACY,1031 .playback = {1032 .stream_name = "Legacy Playback",1033 .channels_min = 1,1034 .channels_max = 5,1035 .rates = TWL6040_RATES,1036 .formats = TWL6040_FORMATS,1037 },1038 .capture = {1039 .stream_name = "Legacy Capture",1040 .channels_min = 1,1041 .channels_max = 2,1042 .rates = TWL6040_RATES,1043 .formats = TWL6040_FORMATS,1044 },1045 .ops = &twl6040_dai_ops,1046},1047{1048 .name = "twl6040-ul",1049 .id = TWL6040_DAI_UL,1050 .capture = {1051 .stream_name = "Capture",1052 .channels_min = 1,1053 .channels_max = 2,1054 .rates = TWL6040_RATES,1055 .formats = TWL6040_FORMATS,1056 },1057 .ops = &twl6040_dai_ops,1058},1059{1060 .name = "twl6040-dl1",1061 .id = TWL6040_DAI_DL1,1062 .playback = {1063 .stream_name = "Headset Playback",1064 .channels_min = 1,1065 .channels_max = 2,1066 .rates = TWL6040_RATES,1067 .formats = TWL6040_FORMATS,1068 },1069 .ops = &twl6040_dai_ops,1070},1071{1072 .name = "twl6040-dl2",1073 .id = TWL6040_DAI_DL2,1074 .playback = {1075 .stream_name = "Handsfree Playback",1076 .channels_min = 1,1077 .channels_max = 2,1078 .rates = TWL6040_RATES,1079 .formats = TWL6040_FORMATS,1080 },1081 .ops = &twl6040_dai_ops,1082},1083{1084 .name = "twl6040-vib",1085 .id = TWL6040_DAI_VIB,1086 .playback = {1087 .stream_name = "Vibra Playback",1088 .channels_min = 1,1089 .channels_max = 1,1090 .rates = SNDRV_PCM_RATE_CONTINUOUS,1091 .formats = TWL6040_FORMATS,1092 },1093 .ops = &twl6040_dai_ops,1094},1095};1096 1097static int twl6040_probe(struct snd_soc_component *component)1098{1099 struct twl6040_data *priv;1100 struct platform_device *pdev = to_platform_device(component->dev);1101 int ret = 0;1102 1103 priv = devm_kzalloc(component->dev, sizeof(*priv), GFP_KERNEL);1104 if (priv == NULL)1105 return -ENOMEM;1106 1107 snd_soc_component_set_drvdata(component, priv);1108 1109 priv->component = component;1110 1111 priv->plug_irq = platform_get_irq(pdev, 0);1112 if (priv->plug_irq < 0)1113 return priv->plug_irq;1114 1115 INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);1116 1117 mutex_init(&priv->mutex);1118 1119 ret = request_threaded_irq(priv->plug_irq, NULL,1120 twl6040_audio_handler,1121 IRQF_NO_SUSPEND | IRQF_ONESHOT,1122 "twl6040_irq_plug", component);1123 if (ret) {1124 dev_err(component->dev, "PLUG IRQ request failed: %d\n", ret);1125 return ret;1126 }1127 1128 snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);1129 twl6040_init_chip(component);1130 1131 return 0;1132}1133 1134static void twl6040_remove(struct snd_soc_component *component)1135{1136 struct twl6040_data *priv = snd_soc_component_get_drvdata(component);1137 1138 free_irq(priv->plug_irq, component);1139}1140 1141static const struct snd_soc_component_driver soc_component_dev_twl6040 = {1142 .probe = twl6040_probe,1143 .remove = twl6040_remove,1144 .read = twl6040_read,1145 .write = twl6040_write,1146 .set_bias_level = twl6040_set_bias_level,1147 .controls = twl6040_snd_controls,1148 .num_controls = ARRAY_SIZE(twl6040_snd_controls),1149 .dapm_widgets = twl6040_dapm_widgets,1150 .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),1151 .dapm_routes = intercon,1152 .num_dapm_routes = ARRAY_SIZE(intercon),1153 .suspend_bias_off = 1,1154 .idle_bias_on = 1,1155 .endianness = 1,1156};1157 1158static int twl6040_codec_probe(struct platform_device *pdev)1159{1160 return devm_snd_soc_register_component(&pdev->dev,1161 &soc_component_dev_twl6040,1162 twl6040_dai, ARRAY_SIZE(twl6040_dai));1163}1164 1165static struct platform_driver twl6040_codec_driver = {1166 .driver = {1167 .name = "twl6040-codec",1168 },1169 .probe = twl6040_codec_probe,1170};1171 1172module_platform_driver(twl6040_codec_driver);1173 1174MODULE_DESCRIPTION("ASoC TWL6040 codec driver");1175MODULE_AUTHOR("Misael Lopez Cruz");1176MODULE_LICENSE("GPL");1177