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1// SPDX-License-Identifier: GPL-2.02//3// rt700.c -- rt700 ALSA SoC audio driver4//5// Copyright(c) 2019 Realtek Semiconductor Corp.6//7//8 9#include <linux/module.h>10#include <linux/moduleparam.h>11#include <linux/kernel.h>12#include <linux/init.h>13#include <linux/delay.h>14#include <linux/pm_runtime.h>15#include <linux/pm.h>16#include <linux/soundwire/sdw.h>17#include <linux/regmap.h>18#include <linux/slab.h>19#include <sound/core.h>20#include <sound/pcm.h>21#include <sound/pcm_params.h>22#include <sound/sdw.h>23#include <sound/soc.h>24#include <sound/soc-dapm.h>25#include <sound/initval.h>26#include <sound/tlv.h>27#include <sound/hda_verbs.h>28#include <sound/jack.h>29 30#include "rt700.h"31 32static int rt700_index_write(struct regmap *regmap,33 unsigned int reg, unsigned int value)34{35 int ret;36 unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg;37 38 ret = regmap_write(regmap, addr, value);39 if (ret < 0)40 pr_err("%s: Failed to set private value: %06x <= %04x ret=%d\n",41 __func__, addr, value, ret);42 43 return ret;44}45 46static int rt700_index_read(struct regmap *regmap,47 unsigned int reg, unsigned int *value)48{49 int ret;50 unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg;51 52 *value = 0;53 ret = regmap_read(regmap, addr, value);54 if (ret < 0)55 pr_err("%s: Failed to get private value: %06x => %04x ret=%d\n",56 __func__, addr, *value, ret);57 58 return ret;59}60 61static unsigned int rt700_button_detect(struct rt700_priv *rt700)62{63 unsigned int btn_type = 0, val80, val81;64 int ret;65 66 ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE1, &val80);67 if (ret < 0)68 goto read_error;69 ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE2, &val81);70 if (ret < 0)71 goto read_error;72 73 val80 &= 0x0381;74 val81 &= 0xff00;75 76 switch (val80) {77 case 0x0200:78 case 0x0100:79 case 0x0080:80 btn_type |= SND_JACK_BTN_0;81 break;82 case 0x0001:83 btn_type |= SND_JACK_BTN_3;84 break;85 }86 switch (val81) {87 case 0x8000:88 case 0x4000:89 case 0x2000:90 btn_type |= SND_JACK_BTN_1;91 break;92 case 0x1000:93 case 0x0800:94 case 0x0400:95 btn_type |= SND_JACK_BTN_2;96 break;97 case 0x0200:98 case 0x0100:99 btn_type |= SND_JACK_BTN_3;100 break;101 }102read_error:103 return btn_type;104}105 106static int rt700_headset_detect(struct rt700_priv *rt700)107{108 unsigned int buf, loop = 0;109 int ret;110 unsigned int jack_status = 0, reg;111 112 ret = rt700_index_read(rt700->regmap,113 RT700_COMBO_JACK_AUTO_CTL2, &buf);114 if (ret < 0)115 goto io_error;116 117 while (loop < 500 &&118 (buf & RT700_COMBOJACK_AUTO_DET_STATUS) == 0) {119 loop++;120 121 usleep_range(9000, 10000);122 ret = rt700_index_read(rt700->regmap,123 RT700_COMBO_JACK_AUTO_CTL2, &buf);124 if (ret < 0)125 goto io_error;126 127 reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;128 ret = regmap_read(rt700->regmap, reg, &jack_status);129 if ((jack_status & (1 << 31)) == 0)130 goto remove_error;131 }132 133 if (loop >= 500)134 goto to_error;135 136 if (buf & RT700_COMBOJACK_AUTO_DET_TRS)137 rt700->jack_type = SND_JACK_HEADPHONE;138 else if ((buf & RT700_COMBOJACK_AUTO_DET_CTIA) ||139 (buf & RT700_COMBOJACK_AUTO_DET_OMTP))140 rt700->jack_type = SND_JACK_HEADSET;141 142 return 0;143 144to_error:145 ret = -ETIMEDOUT;146 pr_err_ratelimited("Time-out error in %s\n", __func__);147 return ret;148io_error:149 pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);150 return ret;151remove_error:152 pr_err_ratelimited("Jack removal in %s\n", __func__);153 return -ENODEV;154}155 156static void rt700_jack_detect_handler(struct work_struct *work)157{158 struct rt700_priv *rt700 =159 container_of(work, struct rt700_priv, jack_detect_work.work);160 int btn_type = 0, ret;161 unsigned int jack_status = 0, reg;162 163 if (!rt700->hs_jack)164 return;165 166 if (!snd_soc_card_is_instantiated(rt700->component->card))167 return;168 169 reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;170 ret = regmap_read(rt700->regmap, reg, &jack_status);171 if (ret < 0)172 goto io_error;173 174 /* pin attached */175 if (jack_status & (1 << 31)) {176 /* jack in */177 if (rt700->jack_type == 0) {178 ret = rt700_headset_detect(rt700);179 if (ret < 0)180 return;181 if (rt700->jack_type == SND_JACK_HEADSET)182 btn_type = rt700_button_detect(rt700);183 } else if (rt700->jack_type == SND_JACK_HEADSET) {184 /* jack is already in, report button event */185 btn_type = rt700_button_detect(rt700);186 }187 } else {188 /* jack out */189 rt700->jack_type = 0;190 }191 192 dev_dbg(&rt700->slave->dev,193 "in %s, jack_type=0x%x\n", __func__, rt700->jack_type);194 dev_dbg(&rt700->slave->dev,195 "in %s, btn_type=0x%x\n", __func__, btn_type);196 197 snd_soc_jack_report(rt700->hs_jack, rt700->jack_type | btn_type,198 SND_JACK_HEADSET |199 SND_JACK_BTN_0 | SND_JACK_BTN_1 |200 SND_JACK_BTN_2 | SND_JACK_BTN_3);201 202 if (btn_type) {203 /* button released */204 snd_soc_jack_report(rt700->hs_jack, rt700->jack_type,205 SND_JACK_HEADSET |206 SND_JACK_BTN_0 | SND_JACK_BTN_1 |207 SND_JACK_BTN_2 | SND_JACK_BTN_3);208 209 mod_delayed_work(system_power_efficient_wq,210 &rt700->jack_btn_check_work, msecs_to_jiffies(200));211 }212 213 return;214 215io_error:216 pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);217}218 219static void rt700_btn_check_handler(struct work_struct *work)220{221 struct rt700_priv *rt700 = container_of(work, struct rt700_priv,222 jack_btn_check_work.work);223 int btn_type = 0, ret;224 unsigned int jack_status = 0, reg;225 226 reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;227 ret = regmap_read(rt700->regmap, reg, &jack_status);228 if (ret < 0)229 goto io_error;230 231 /* pin attached */232 if (jack_status & (1 << 31)) {233 if (rt700->jack_type == SND_JACK_HEADSET) {234 /* jack is already in, report button event */235 btn_type = rt700_button_detect(rt700);236 }237 } else {238 rt700->jack_type = 0;239 }240 241 /* cbj comparator */242 ret = rt700_index_read(rt700->regmap, RT700_COMBO_JACK_AUTO_CTL2, ®);243 if (ret < 0)244 goto io_error;245 246 if ((reg & 0xf0) == 0xf0)247 btn_type = 0;248 249 dev_dbg(&rt700->slave->dev,250 "%s, btn_type=0x%x\n", __func__, btn_type);251 snd_soc_jack_report(rt700->hs_jack, rt700->jack_type | btn_type,252 SND_JACK_HEADSET |253 SND_JACK_BTN_0 | SND_JACK_BTN_1 |254 SND_JACK_BTN_2 | SND_JACK_BTN_3);255 256 if (btn_type) {257 /* button released */258 snd_soc_jack_report(rt700->hs_jack, rt700->jack_type,259 SND_JACK_HEADSET |260 SND_JACK_BTN_0 | SND_JACK_BTN_1 |261 SND_JACK_BTN_2 | SND_JACK_BTN_3);262 263 mod_delayed_work(system_power_efficient_wq,264 &rt700->jack_btn_check_work, msecs_to_jiffies(200));265 }266 267 return;268 269io_error:270 pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);271}272 273static void rt700_jack_init(struct rt700_priv *rt700)274{275 struct snd_soc_dapm_context *dapm =276 snd_soc_component_get_dapm(rt700->component);277 278 /* power on */279 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)280 regmap_write(rt700->regmap,281 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);282 283 if (rt700->hs_jack) {284 /* Enable Jack Detection */285 regmap_write(rt700->regmap,286 RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x82);287 regmap_write(rt700->regmap,288 RT700_SET_HP_UNSOLICITED_ENABLE, 0x81);289 regmap_write(rt700->regmap,290 RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x83);291 rt700_index_write(rt700->regmap, 0x10, 0x2420);292 rt700_index_write(rt700->regmap, 0x19, 0x2e11);293 294 dev_dbg(&rt700->slave->dev, "in %s enable\n", __func__);295 296 mod_delayed_work(system_power_efficient_wq,297 &rt700->jack_detect_work, msecs_to_jiffies(250));298 } else {299 regmap_write(rt700->regmap,300 RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x00);301 regmap_write(rt700->regmap,302 RT700_SET_HP_UNSOLICITED_ENABLE, 0x00);303 regmap_write(rt700->regmap,304 RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x00);305 306 dev_dbg(&rt700->slave->dev, "in %s disable\n", __func__);307 }308 309 /* power off */310 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)311 regmap_write(rt700->regmap,312 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);313}314 315static int rt700_set_jack_detect(struct snd_soc_component *component,316 struct snd_soc_jack *hs_jack, void *data)317{318 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);319 int ret;320 321 rt700->hs_jack = hs_jack;322 323 /* we can only resume if the device was initialized at least once */324 if (!rt700->first_hw_init)325 return 0;326 327 ret = pm_runtime_resume_and_get(component->dev);328 if (ret < 0) {329 if (ret != -EACCES) {330 dev_err(component->dev, "%s: failed to resume %d\n", __func__, ret);331 return ret;332 }333 334 /* pm_runtime not enabled yet */335 dev_dbg(component->dev, "%s: skipping jack init for now\n", __func__);336 return 0;337 }338 339 rt700_jack_init(rt700);340 341 pm_runtime_mark_last_busy(component->dev);342 pm_runtime_put_autosuspend(component->dev);343 344 return 0;345}346 347static void rt700_get_gain(struct rt700_priv *rt700, unsigned int addr_h,348 unsigned int addr_l, unsigned int val_h,349 unsigned int *r_val, unsigned int *l_val)350{351 /* R Channel */352 *r_val = (val_h << 8);353 regmap_read(rt700->regmap, addr_l, r_val);354 355 /* L Channel */356 val_h |= 0x20;357 *l_val = (val_h << 8);358 regmap_read(rt700->regmap, addr_h, l_val);359}360 361/* For Verb-Set Amplifier Gain (Verb ID = 3h) */362static int rt700_set_amp_gain_put(struct snd_kcontrol *kcontrol,363 struct snd_ctl_elem_value *ucontrol)364{365 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);366 struct snd_soc_dapm_context *dapm =367 snd_soc_component_get_dapm(component);368 struct soc_mixer_control *mc =369 (struct soc_mixer_control *)kcontrol->private_value;370 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);371 unsigned int addr_h, addr_l, val_h, val_ll, val_lr;372 unsigned int read_ll, read_rl;373 int i;374 375 /* Can't use update bit function, so read the original value first */376 addr_h = mc->reg;377 addr_l = mc->rreg;378 if (mc->shift == RT700_DIR_OUT_SFT) /* output */379 val_h = 0x80;380 else /* input */381 val_h = 0x0;382 383 rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll);384 385 /* L Channel */386 if (mc->invert) {387 /* for mute */388 val_ll = (mc->max - ucontrol->value.integer.value[0]) << 7;389 /* keep gain */390 read_ll = read_ll & 0x7f;391 val_ll |= read_ll;392 } else {393 /* for gain */394 val_ll = ((ucontrol->value.integer.value[0]) & 0x7f);395 if (val_ll > mc->max)396 val_ll = mc->max;397 /* keep mute status */398 read_ll = read_ll & 0x80;399 val_ll |= read_ll;400 }401 402 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)403 regmap_write(rt700->regmap,404 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);405 406 /* R Channel */407 if (mc->invert) {408 /* for mute */409 val_lr = (mc->max - ucontrol->value.integer.value[1]) << 7;410 /* keep gain */411 read_rl = read_rl & 0x7f;412 val_lr |= read_rl;413 } else {414 /* for gain */415 val_lr = ((ucontrol->value.integer.value[1]) & 0x7f);416 if (val_lr > mc->max)417 val_lr = mc->max;418 /* keep mute status */419 read_rl = read_rl & 0x80;420 val_lr |= read_rl;421 }422 423 for (i = 0; i < 3; i++) { /* retry 3 times at most */424 if (val_ll == val_lr) {425 /* Set both L/R channels at the same time */426 val_h = (1 << mc->shift) | (3 << 4);427 regmap_write(rt700->regmap,428 addr_h, (val_h << 8 | val_ll));429 regmap_write(rt700->regmap,430 addr_l, (val_h << 8 | val_ll));431 } else {432 /* Lch*/433 val_h = (1 << mc->shift) | (1 << 5);434 regmap_write(rt700->regmap,435 addr_h, (val_h << 8 | val_ll));436 437 /* Rch */438 val_h = (1 << mc->shift) | (1 << 4);439 regmap_write(rt700->regmap,440 addr_l, (val_h << 8 | val_lr));441 }442 /* check result */443 if (mc->shift == RT700_DIR_OUT_SFT) /* output */444 val_h = 0x80;445 else /* input */446 val_h = 0x0;447 448 rt700_get_gain(rt700, addr_h, addr_l, val_h,449 &read_rl, &read_ll);450 if (read_rl == val_lr && read_ll == val_ll)451 break;452 }453 454 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)455 regmap_write(rt700->regmap,456 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);457 return 0;458}459 460static int rt700_set_amp_gain_get(struct snd_kcontrol *kcontrol,461 struct snd_ctl_elem_value *ucontrol)462{463 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);464 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);465 struct soc_mixer_control *mc =466 (struct soc_mixer_control *)kcontrol->private_value;467 unsigned int addr_h, addr_l, val_h;468 unsigned int read_ll, read_rl;469 470 addr_h = mc->reg;471 addr_l = mc->rreg;472 if (mc->shift == RT700_DIR_OUT_SFT) /* output */473 val_h = 0x80;474 else /* input */475 val_h = 0x0;476 477 rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll);478 479 if (mc->invert) {480 /* for mute status */481 read_ll = !((read_ll & 0x80) >> RT700_MUTE_SFT);482 read_rl = !((read_rl & 0x80) >> RT700_MUTE_SFT);483 } else {484 /* for gain */485 read_ll = read_ll & 0x7f;486 read_rl = read_rl & 0x7f;487 }488 ucontrol->value.integer.value[0] = read_ll;489 ucontrol->value.integer.value[1] = read_rl;490 491 return 0;492}493 494static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6525, 75, 0);495static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0);496static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);497 498static const struct snd_kcontrol_new rt700_snd_controls[] = {499 SOC_DOUBLE_R_EXT_TLV("DAC Front Playback Volume",500 RT700_SET_GAIN_DAC1_H, RT700_SET_GAIN_DAC1_L,501 RT700_DIR_OUT_SFT, 0x57, 0,502 rt700_set_amp_gain_get, rt700_set_amp_gain_put, out_vol_tlv),503 SOC_DOUBLE_R_EXT("ADC 08 Capture Switch",504 RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L,505 RT700_DIR_IN_SFT, 1, 1,506 rt700_set_amp_gain_get, rt700_set_amp_gain_put),507 SOC_DOUBLE_R_EXT("ADC 09 Capture Switch",508 RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L,509 RT700_DIR_IN_SFT, 1, 1,510 rt700_set_amp_gain_get, rt700_set_amp_gain_put),511 SOC_DOUBLE_R_EXT_TLV("ADC 08 Capture Volume",512 RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L,513 RT700_DIR_IN_SFT, 0x3f, 0,514 rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),515 SOC_DOUBLE_R_EXT_TLV("ADC 09 Capture Volume",516 RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L,517 RT700_DIR_IN_SFT, 0x3f, 0,518 rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),519 SOC_DOUBLE_R_EXT_TLV("AMIC Volume",520 RT700_SET_GAIN_AMIC_H, RT700_SET_GAIN_AMIC_L,521 RT700_DIR_IN_SFT, 3, 0,522 rt700_set_amp_gain_get, rt700_set_amp_gain_put, mic_vol_tlv),523};524 525static int rt700_mux_get(struct snd_kcontrol *kcontrol,526 struct snd_ctl_elem_value *ucontrol)527{528 struct snd_soc_component *component =529 snd_soc_dapm_kcontrol_component(kcontrol);530 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);531 unsigned int reg, val = 0, nid;532 int ret;533 534 if (strstr(ucontrol->id.name, "HPO Mux"))535 nid = RT700_HP_OUT;536 else if (strstr(ucontrol->id.name, "ADC 22 Mux"))537 nid = RT700_MIXER_IN1;538 else if (strstr(ucontrol->id.name, "ADC 23 Mux"))539 nid = RT700_MIXER_IN2;540 else541 return -EINVAL;542 543 /* vid = 0xf01 */544 reg = RT700_VERB_SET_CONNECT_SEL | nid;545 ret = regmap_read(rt700->regmap, reg, &val);546 if (ret < 0)547 return ret;548 549 ucontrol->value.enumerated.item[0] = val;550 551 return 0;552}553 554static int rt700_mux_put(struct snd_kcontrol *kcontrol,555 struct snd_ctl_elem_value *ucontrol)556{557 struct snd_soc_component *component =558 snd_soc_dapm_kcontrol_component(kcontrol);559 struct snd_soc_dapm_context *dapm =560 snd_soc_dapm_kcontrol_dapm(kcontrol);561 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);562 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;563 unsigned int *item = ucontrol->value.enumerated.item;564 unsigned int val, val2 = 0, change, reg, nid;565 int ret;566 567 if (item[0] >= e->items)568 return -EINVAL;569 570 if (strstr(ucontrol->id.name, "HPO Mux"))571 nid = RT700_HP_OUT;572 else if (strstr(ucontrol->id.name, "ADC 22 Mux"))573 nid = RT700_MIXER_IN1;574 else if (strstr(ucontrol->id.name, "ADC 23 Mux"))575 nid = RT700_MIXER_IN2;576 else577 return -EINVAL;578 579 /* Verb ID = 0x701h */580 val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;581 582 reg = RT700_VERB_SET_CONNECT_SEL | nid;583 ret = regmap_read(rt700->regmap, reg, &val2);584 if (ret < 0)585 return ret;586 587 if (val == val2)588 change = 0;589 else590 change = 1;591 592 if (change) {593 reg = RT700_VERB_SET_CONNECT_SEL | nid;594 regmap_write(rt700->regmap, reg, val);595 }596 597 snd_soc_dapm_mux_update_power(dapm, kcontrol,598 item[0], e, NULL);599 600 return change;601}602 603static const char * const adc_mux_text[] = {604 "MIC2",605 "LINE1",606 "LINE2",607 "DMIC",608};609 610static SOC_ENUM_SINGLE_DECL(611 rt700_adc22_enum, SND_SOC_NOPM, 0, adc_mux_text);612 613static SOC_ENUM_SINGLE_DECL(614 rt700_adc23_enum, SND_SOC_NOPM, 0, adc_mux_text);615 616static const struct snd_kcontrol_new rt700_adc22_mux =617 SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt700_adc22_enum,618 rt700_mux_get, rt700_mux_put);619 620static const struct snd_kcontrol_new rt700_adc23_mux =621 SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt700_adc23_enum,622 rt700_mux_get, rt700_mux_put);623 624static const char * const out_mux_text[] = {625 "Front",626 "Surround",627};628 629static SOC_ENUM_SINGLE_DECL(630 rt700_hp_enum, SND_SOC_NOPM, 0, out_mux_text);631 632static const struct snd_kcontrol_new rt700_hp_mux =633 SOC_DAPM_ENUM_EXT("HP Mux", rt700_hp_enum,634 rt700_mux_get, rt700_mux_put);635 636static int rt700_dac_front_event(struct snd_soc_dapm_widget *w,637 struct snd_kcontrol *kcontrol, int event)638{639 struct snd_soc_component *component =640 snd_soc_dapm_to_component(w->dapm);641 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);642 643 switch (event) {644 case SND_SOC_DAPM_POST_PMU:645 regmap_write(rt700->regmap,646 RT700_SET_STREAMID_DAC1, 0x10);647 break;648 case SND_SOC_DAPM_PRE_PMD:649 regmap_write(rt700->regmap,650 RT700_SET_STREAMID_DAC1, 0x00);651 break;652 }653 return 0;654}655 656static int rt700_dac_surround_event(struct snd_soc_dapm_widget *w,657 struct snd_kcontrol *kcontrol, int event)658{659 struct snd_soc_component *component =660 snd_soc_dapm_to_component(w->dapm);661 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);662 663 switch (event) {664 case SND_SOC_DAPM_POST_PMU:665 regmap_write(rt700->regmap,666 RT700_SET_STREAMID_DAC2, 0x10);667 break;668 case SND_SOC_DAPM_PRE_PMD:669 regmap_write(rt700->regmap,670 RT700_SET_STREAMID_DAC2, 0x00);671 break;672 }673 return 0;674}675 676static int rt700_adc_09_event(struct snd_soc_dapm_widget *w,677 struct snd_kcontrol *kcontrol, int event)678{679 struct snd_soc_component *component =680 snd_soc_dapm_to_component(w->dapm);681 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);682 683 switch (event) {684 case SND_SOC_DAPM_POST_PMU:685 regmap_write(rt700->regmap,686 RT700_SET_STREAMID_ADC1, 0x10);687 break;688 case SND_SOC_DAPM_PRE_PMD:689 regmap_write(rt700->regmap,690 RT700_SET_STREAMID_ADC1, 0x00);691 break;692 }693 return 0;694}695 696static int rt700_adc_08_event(struct snd_soc_dapm_widget *w,697 struct snd_kcontrol *kcontrol, int event)698{699 struct snd_soc_component *component =700 snd_soc_dapm_to_component(w->dapm);701 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);702 703 switch (event) {704 case SND_SOC_DAPM_POST_PMU:705 regmap_write(rt700->regmap,706 RT700_SET_STREAMID_ADC2, 0x10);707 break;708 case SND_SOC_DAPM_PRE_PMD:709 regmap_write(rt700->regmap,710 RT700_SET_STREAMID_ADC2, 0x00);711 break;712 }713 return 0;714}715 716static int rt700_hpo_mux_event(struct snd_soc_dapm_widget *w,717 struct snd_kcontrol *kcontrol, int event)718{719 struct snd_soc_component *component =720 snd_soc_dapm_to_component(w->dapm);721 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);722 unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);723 unsigned int val_l;724 725 switch (event) {726 case SND_SOC_DAPM_POST_PMU:727 val_l = 0x00;728 regmap_write(rt700->regmap,729 RT700_SET_GAIN_HP_H, (val_h << 8 | val_l));730 break;731 case SND_SOC_DAPM_PRE_PMD:732 val_l = (1 << RT700_MUTE_SFT);733 regmap_write(rt700->regmap,734 RT700_SET_GAIN_HP_H, (val_h << 8 | val_l));735 usleep_range(50000, 55000);736 break;737 }738 return 0;739}740 741static int rt700_spk_pga_event(struct snd_soc_dapm_widget *w,742 struct snd_kcontrol *kcontrol, int event)743{744 struct snd_soc_component *component =745 snd_soc_dapm_to_component(w->dapm);746 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);747 unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);748 unsigned int val_l;749 750 switch (event) {751 case SND_SOC_DAPM_POST_PMU:752 val_l = 0x00;753 regmap_write(rt700->regmap,754 RT700_SET_GAIN_SPK_H, (val_h << 8 | val_l));755 break;756 case SND_SOC_DAPM_PRE_PMD:757 val_l = (1 << RT700_MUTE_SFT);758 regmap_write(rt700->regmap,759 RT700_SET_GAIN_SPK_H, (val_h << 8 | val_l));760 break;761 }762 return 0;763}764 765static const struct snd_soc_dapm_widget rt700_dapm_widgets[] = {766 SND_SOC_DAPM_OUTPUT("HP"),767 SND_SOC_DAPM_OUTPUT("SPK"),768 SND_SOC_DAPM_INPUT("DMIC1"),769 SND_SOC_DAPM_INPUT("DMIC2"),770 SND_SOC_DAPM_INPUT("MIC2"),771 SND_SOC_DAPM_INPUT("LINE1"),772 SND_SOC_DAPM_INPUT("LINE2"),773 SND_SOC_DAPM_DAC_E("DAC Front", NULL, SND_SOC_NOPM, 0, 0,774 rt700_dac_front_event,775 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),776 SND_SOC_DAPM_DAC_E("DAC Surround", NULL, SND_SOC_NOPM, 0, 0,777 rt700_dac_surround_event,778 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),779 SND_SOC_DAPM_MUX_E("HPO Mux", SND_SOC_NOPM, 0, 0, &rt700_hp_mux,780 rt700_hpo_mux_event,781 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),782 SND_SOC_DAPM_PGA_E("SPK PGA", SND_SOC_NOPM, 0, 0, NULL, 0,783 rt700_spk_pga_event,784 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),785 SND_SOC_DAPM_ADC_E("ADC 09", NULL, SND_SOC_NOPM, 0, 0,786 rt700_adc_09_event,787 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),788 SND_SOC_DAPM_ADC_E("ADC 08", NULL, SND_SOC_NOPM, 0, 0,789 rt700_adc_08_event,790 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),791 SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0,792 &rt700_adc22_mux),793 SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0,794 &rt700_adc23_mux),795 SND_SOC_DAPM_AIF_IN("DP1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0),796 SND_SOC_DAPM_AIF_IN("DP3RX", "DP3 Playback", 0, SND_SOC_NOPM, 0, 0),797 SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0),798 SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0),799};800 801static const struct snd_soc_dapm_route rt700_audio_map[] = {802 {"DAC Front", NULL, "DP1RX"},803 {"DAC Surround", NULL, "DP3RX"},804 {"DP2TX", NULL, "ADC 09"},805 {"DP4TX", NULL, "ADC 08"},806 {"ADC 09", NULL, "ADC 22 Mux"},807 {"ADC 08", NULL, "ADC 23 Mux"},808 {"ADC 22 Mux", "DMIC", "DMIC1"},809 {"ADC 22 Mux", "LINE1", "LINE1"},810 {"ADC 22 Mux", "LINE2", "LINE2"},811 {"ADC 22 Mux", "MIC2", "MIC2"},812 {"ADC 23 Mux", "DMIC", "DMIC2"},813 {"ADC 23 Mux", "LINE1", "LINE1"},814 {"ADC 23 Mux", "LINE2", "LINE2"},815 {"ADC 23 Mux", "MIC2", "MIC2"},816 {"HPO Mux", "Front", "DAC Front"},817 {"HPO Mux", "Surround", "DAC Surround"},818 {"HP", NULL, "HPO Mux"},819 {"SPK PGA", NULL, "DAC Front"},820 {"SPK", NULL, "SPK PGA"},821};822 823static int rt700_probe(struct snd_soc_component *component)824{825 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);826 int ret;827 828 rt700->component = component;829 830 if (!rt700->first_hw_init)831 return 0;832 833 ret = pm_runtime_resume(component->dev);834 if (ret < 0 && ret != -EACCES)835 return ret;836 837 return 0;838}839 840static int rt700_set_bias_level(struct snd_soc_component *component,841 enum snd_soc_bias_level level)842{843 struct snd_soc_dapm_context *dapm =844 snd_soc_component_get_dapm(component);845 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);846 847 switch (level) {848 case SND_SOC_BIAS_PREPARE:849 if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {850 regmap_write(rt700->regmap,851 RT700_SET_AUDIO_POWER_STATE,852 AC_PWRST_D0);853 }854 break;855 856 case SND_SOC_BIAS_STANDBY:857 regmap_write(rt700->regmap,858 RT700_SET_AUDIO_POWER_STATE,859 AC_PWRST_D3);860 break;861 862 default:863 break;864 }865 dapm->bias_level = level;866 return 0;867}868 869static const struct snd_soc_component_driver soc_codec_dev_rt700 = {870 .probe = rt700_probe,871 .set_bias_level = rt700_set_bias_level,872 .controls = rt700_snd_controls,873 .num_controls = ARRAY_SIZE(rt700_snd_controls),874 .dapm_widgets = rt700_dapm_widgets,875 .num_dapm_widgets = ARRAY_SIZE(rt700_dapm_widgets),876 .dapm_routes = rt700_audio_map,877 .num_dapm_routes = ARRAY_SIZE(rt700_audio_map),878 .set_jack = rt700_set_jack_detect,879 .endianness = 1,880};881 882static int rt700_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,883 int direction)884{885 snd_soc_dai_dma_data_set(dai, direction, sdw_stream);886 887 return 0;888}889 890static void rt700_shutdown(struct snd_pcm_substream *substream,891 struct snd_soc_dai *dai)892{893 snd_soc_dai_set_dma_data(dai, substream, NULL);894}895 896static int rt700_pcm_hw_params(struct snd_pcm_substream *substream,897 struct snd_pcm_hw_params *params,898 struct snd_soc_dai *dai)899{900 struct snd_soc_component *component = dai->component;901 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);902 struct sdw_stream_config stream_config = {0};903 struct sdw_port_config port_config = {0};904 struct sdw_stream_runtime *sdw_stream;905 int retval;906 unsigned int val = 0;907 908 dev_dbg(dai->dev, "%s %s", __func__, dai->name);909 sdw_stream = snd_soc_dai_get_dma_data(dai, substream);910 911 if (!sdw_stream)912 return -EINVAL;913 914 if (!rt700->slave)915 return -EINVAL;916 917 /* SoundWire specific configuration */918 snd_sdw_params_to_config(substream, params, &stream_config, &port_config);919 920 /* This code assumes port 1 for playback and port 2 for capture */921 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)922 port_config.num = 1;923 else924 port_config.num = 2;925 926 switch (dai->id) {927 case RT700_AIF1:928 break;929 case RT700_AIF2:930 port_config.num += 2;931 break;932 default:933 dev_err(component->dev, "%s: Invalid DAI id %d\n", __func__, dai->id);934 return -EINVAL;935 }936 937 retval = sdw_stream_add_slave(rt700->slave, &stream_config,938 &port_config, 1, sdw_stream);939 if (retval) {940 dev_err(dai->dev, "%s: Unable to configure port\n", __func__);941 return retval;942 }943 944 if (params_channels(params) <= 16) {945 /* bit 3:0 Number of Channel */946 val |= (params_channels(params) - 1);947 } else {948 dev_err(component->dev, "%s: Unsupported channels %d\n",949 __func__, params_channels(params));950 return -EINVAL;951 }952 953 switch (params_width(params)) {954 /* bit 6:4 Bits per Sample */955 case 8:956 break;957 case 16:958 val |= (0x1 << 4);959 break;960 case 20:961 val |= (0x2 << 4);962 break;963 case 24:964 val |= (0x3 << 4);965 break;966 case 32:967 val |= (0x4 << 4);968 break;969 default:970 return -EINVAL;971 }972 973 /* 48Khz */974 regmap_write(rt700->regmap, RT700_DAC_FORMAT_H, val);975 regmap_write(rt700->regmap, RT700_ADC_FORMAT_H, val);976 977 return retval;978}979 980static int rt700_pcm_hw_free(struct snd_pcm_substream *substream,981 struct snd_soc_dai *dai)982{983 struct snd_soc_component *component = dai->component;984 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);985 struct sdw_stream_runtime *sdw_stream =986 snd_soc_dai_get_dma_data(dai, substream);987 988 if (!rt700->slave)989 return -EINVAL;990 991 sdw_stream_remove_slave(rt700->slave, sdw_stream);992 return 0;993}994 995#define RT700_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)996#define RT700_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \997 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)998 999static const struct snd_soc_dai_ops rt700_ops = {1000 .hw_params = rt700_pcm_hw_params,1001 .hw_free = rt700_pcm_hw_free,1002 .set_stream = rt700_set_sdw_stream,1003 .shutdown = rt700_shutdown,1004};1005 1006static struct snd_soc_dai_driver rt700_dai[] = {1007 {1008 .name = "rt700-aif1",1009 .id = RT700_AIF1,1010 .playback = {1011 .stream_name = "DP1 Playback",1012 .channels_min = 1,1013 .channels_max = 2,1014 .rates = RT700_STEREO_RATES,1015 .formats = RT700_FORMATS,1016 },1017 .capture = {1018 .stream_name = "DP2 Capture",1019 .channels_min = 1,1020 .channels_max = 2,1021 .rates = RT700_STEREO_RATES,1022 .formats = RT700_FORMATS,1023 },1024 .ops = &rt700_ops,1025 },1026 {1027 .name = "rt700-aif2",1028 .id = RT700_AIF2,1029 .playback = {1030 .stream_name = "DP3 Playback",1031 .channels_min = 1,1032 .channels_max = 2,1033 .rates = RT700_STEREO_RATES,1034 .formats = RT700_FORMATS,1035 },1036 .capture = {1037 .stream_name = "DP4 Capture",1038 .channels_min = 1,1039 .channels_max = 2,1040 .rates = RT700_STEREO_RATES,1041 .formats = RT700_FORMATS,1042 },1043 .ops = &rt700_ops,1044 },1045};1046 1047/* Bus clock frequency */1048#define RT700_CLK_FREQ_9600000HZ 96000001049#define RT700_CLK_FREQ_12000000HZ 120000001050#define RT700_CLK_FREQ_6000000HZ 60000001051#define RT700_CLK_FREQ_4800000HZ 48000001052#define RT700_CLK_FREQ_2400000HZ 24000001053#define RT700_CLK_FREQ_12288000HZ 122880001054 1055int rt700_clock_config(struct device *dev)1056{1057 struct rt700_priv *rt700 = dev_get_drvdata(dev);1058 unsigned int clk_freq, value;1059 1060 clk_freq = (rt700->params.curr_dr_freq >> 1);1061 1062 switch (clk_freq) {1063 case RT700_CLK_FREQ_12000000HZ:1064 value = 0x0;1065 break;1066 case RT700_CLK_FREQ_6000000HZ:1067 value = 0x1;1068 break;1069 case RT700_CLK_FREQ_9600000HZ:1070 value = 0x2;1071 break;1072 case RT700_CLK_FREQ_4800000HZ:1073 value = 0x3;1074 break;1075 case RT700_CLK_FREQ_2400000HZ:1076 value = 0x4;1077 break;1078 case RT700_CLK_FREQ_12288000HZ:1079 value = 0x5;1080 break;1081 default:1082 return -EINVAL;1083 }1084 1085 regmap_write(rt700->regmap, 0xe0, value);1086 regmap_write(rt700->regmap, 0xf0, value);1087 1088 dev_dbg(dev, "%s complete, clk_freq=%d\n", __func__, clk_freq);1089 1090 return 0;1091}1092 1093int rt700_init(struct device *dev, struct regmap *sdw_regmap,1094 struct regmap *regmap, struct sdw_slave *slave)1095 1096{1097 struct rt700_priv *rt700;1098 int ret;1099 1100 rt700 = devm_kzalloc(dev, sizeof(*rt700), GFP_KERNEL);1101 if (!rt700)1102 return -ENOMEM;1103 1104 dev_set_drvdata(dev, rt700);1105 rt700->slave = slave;1106 rt700->sdw_regmap = sdw_regmap;1107 rt700->regmap = regmap;1108 1109 regcache_cache_only(rt700->regmap, true);1110 1111 mutex_init(&rt700->disable_irq_lock);1112 1113 INIT_DELAYED_WORK(&rt700->jack_detect_work,1114 rt700_jack_detect_handler);1115 INIT_DELAYED_WORK(&rt700->jack_btn_check_work,1116 rt700_btn_check_handler);1117 1118 /*1119 * Mark hw_init to false1120 * HW init will be performed when device reports present1121 */1122 rt700->hw_init = false;1123 rt700->first_hw_init = false;1124 1125 ret = devm_snd_soc_register_component(dev,1126 &soc_codec_dev_rt700,1127 rt700_dai,1128 ARRAY_SIZE(rt700_dai));1129 if (ret < 0)1130 return ret;1131 1132 /* set autosuspend parameters */1133 pm_runtime_set_autosuspend_delay(dev, 3000);1134 pm_runtime_use_autosuspend(dev);1135 1136 /* make sure the device does not suspend immediately */1137 pm_runtime_mark_last_busy(dev);1138 1139 pm_runtime_enable(dev);1140 1141 /* important note: the device is NOT tagged as 'active' and will remain1142 * 'suspended' until the hardware is enumerated/initialized. This is required1143 * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently1144 * fail with -EACCESS because of race conditions between card creation and enumeration1145 */1146 dev_dbg(&slave->dev, "%s\n", __func__);1147 1148 return 0;1149}1150 1151int rt700_io_init(struct device *dev, struct sdw_slave *slave)1152{1153 struct rt700_priv *rt700 = dev_get_drvdata(dev);1154 1155 rt700->disable_irq = false;1156 1157 if (rt700->hw_init)1158 return 0;1159 1160 regcache_cache_only(rt700->regmap, false);1161 if (rt700->first_hw_init)1162 regcache_cache_bypass(rt700->regmap, true);1163 1164 /*1165 * PM runtime is only enabled when a Slave reports as Attached1166 */1167 if (!rt700->first_hw_init)1168 /* PM runtime status is marked as 'active' only when a Slave reports as Attached */1169 pm_runtime_set_active(&slave->dev);1170 1171 pm_runtime_get_noresume(&slave->dev);1172 1173 /* reset */1174 regmap_write(rt700->regmap, 0xff01, 0x0000);1175 regmap_write(rt700->regmap, 0x7520, 0x001a);1176 regmap_write(rt700->regmap, 0x7420, 0xc003);1177 1178 /* power on */1179 regmap_write(rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);1180 /* Set Pin Widget */1181 regmap_write(rt700->regmap, RT700_SET_PIN_HP, 0x40);1182 regmap_write(rt700->regmap, RT700_SET_PIN_SPK, 0x40);1183 regmap_write(rt700->regmap, RT700_SET_EAPD_SPK, RT700_EAPD_HIGH);1184 regmap_write(rt700->regmap, RT700_SET_PIN_DMIC1, 0x20);1185 regmap_write(rt700->regmap, RT700_SET_PIN_DMIC2, 0x20);1186 regmap_write(rt700->regmap, RT700_SET_PIN_MIC2, 0x20);1187 1188 /* Set Configuration Default */1189 regmap_write(rt700->regmap, 0x4f12, 0x91);1190 regmap_write(rt700->regmap, 0x4e12, 0xd6);1191 regmap_write(rt700->regmap, 0x4d12, 0x11);1192 regmap_write(rt700->regmap, 0x4c12, 0x20);1193 regmap_write(rt700->regmap, 0x4f13, 0x91);1194 regmap_write(rt700->regmap, 0x4e13, 0xd6);1195 regmap_write(rt700->regmap, 0x4d13, 0x11);1196 regmap_write(rt700->regmap, 0x4c13, 0x21);1197 1198 regmap_write(rt700->regmap, 0x4f19, 0x02);1199 regmap_write(rt700->regmap, 0x4e19, 0xa1);1200 regmap_write(rt700->regmap, 0x4d19, 0x90);1201 regmap_write(rt700->regmap, 0x4c19, 0x80);1202 1203 /* Enable Line2 */1204 regmap_write(rt700->regmap, 0x371b, 0x40);1205 regmap_write(rt700->regmap, 0x731b, 0xb0);1206 regmap_write(rt700->regmap, 0x839b, 0x00);1207 1208 /* Set index */1209 rt700_index_write(rt700->regmap, 0x4a, 0x201b);1210 rt700_index_write(rt700->regmap, 0x45, 0x5089);1211 rt700_index_write(rt700->regmap, 0x6b, 0x5064);1212 rt700_index_write(rt700->regmap, 0x48, 0xd249);1213 1214 /* Finish Initial Settings, set power to D3 */1215 regmap_write(rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);1216 1217 /*1218 * if set_jack callback occurred early than io_init,1219 * we set up the jack detection function now1220 */1221 if (rt700->hs_jack)1222 rt700_jack_init(rt700);1223 1224 if (rt700->first_hw_init) {1225 regcache_cache_bypass(rt700->regmap, false);1226 regcache_mark_dirty(rt700->regmap);1227 } else1228 rt700->first_hw_init = true;1229 1230 /* Mark Slave initialization complete */1231 rt700->hw_init = true;1232 1233 pm_runtime_mark_last_busy(&slave->dev);1234 pm_runtime_put_autosuspend(&slave->dev);1235 1236 dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);1237 1238 return 0;1239}1240 1241MODULE_DESCRIPTION("ASoC RT700 driver SDW");1242MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");1243MODULE_LICENSE("GPL v2");1244