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1// SPDX-License-Identifier: GPL-2.0-only2//3// Copyright(c) 2020 Intel Corporation4#include <linux/module.h>5#include <linux/string.h>6#include <sound/pcm.h>7#include <sound/pcm_params.h>8#include <sound/soc.h>9#include <sound/soc-acpi.h>10#include <sound/soc-dai.h>11#include <sound/soc-dapm.h>12#include <sound/sof.h>13#include <uapi/sound/asound.h>14#include "../common/soc-intel-quirks.h"15#include "sof_maxim_common.h"16 17/*18 * Common structures and functions19 */20static const struct snd_kcontrol_new maxim_2spk_kcontrols[] = {21 SOC_DAPM_PIN_SWITCH("Left Spk"),22 SOC_DAPM_PIN_SWITCH("Right Spk"),23 24};25 26static const struct snd_soc_dapm_widget maxim_2spk_widgets[] = {27 SND_SOC_DAPM_SPK("Left Spk", NULL),28 SND_SOC_DAPM_SPK("Right Spk", NULL),29};30 31/* helper function to get the number of specific codec */32static unsigned int get_num_codecs(const char *hid)33{34 struct acpi_device *adev;35 unsigned int dev_num = 0;36 37 for_each_acpi_dev_match(adev, hid, NULL, -1)38 dev_num++;39 40 return dev_num;41}42 43/*44 * Maxim MAX9837345 */46#define MAX_98373_PIN_NAME 1647 48static const struct snd_soc_dapm_route max_98373_dapm_routes[] = {49 /* speaker */50 { "Left Spk", NULL, "Left BE_OUT" },51 { "Right Spk", NULL, "Right BE_OUT" },52};53 54static struct snd_soc_codec_conf max_98373_codec_conf[] = {55 {56 .dlc = COMP_CODEC_CONF(MAX_98373_DEV0_NAME),57 .name_prefix = "Right",58 },59 {60 .dlc = COMP_CODEC_CONF(MAX_98373_DEV1_NAME),61 .name_prefix = "Left",62 },63};64 65static struct snd_soc_dai_link_component max_98373_components[] = {66 { /* For Right */67 .name = MAX_98373_DEV0_NAME,68 .dai_name = MAX_98373_CODEC_DAI,69 },70 { /* For Left */71 .name = MAX_98373_DEV1_NAME,72 .dai_name = MAX_98373_CODEC_DAI,73 },74};75 76/*77 * According to the definition of 'DAI Sel Mux' mixer in max98373.c, rx mask78 * should choose two channels from TDM slots, the LSB of rx mask is left channel79 * and the other one is right channel.80 */81static const struct {82 unsigned int rx;83} max_98373_tdm_mask[] = {84 {.rx = 0x3},85 {.rx = 0x3},86};87 88/*89 * The tx mask indicates which channel(s) contains output IV-sense data and90 * others should set to Hi-Z. Here we get the channel number from codec's ACPI91 * device property "maxim,vmon-slot-no" and "maxim,imon-slot-no" to generate the92 * mask. Refer to the max98373_slot_config() function in max98373.c codec driver.93 */94static unsigned int max_98373_get_tx_mask(struct device *dev)95{96 int vmon_slot;97 int imon_slot;98 99 if (device_property_read_u32(dev, "maxim,vmon-slot-no", &vmon_slot))100 vmon_slot = 0;101 102 if (device_property_read_u32(dev, "maxim,imon-slot-no", &imon_slot))103 imon_slot = 1;104 105 dev_dbg(dev, "vmon_slot %d imon_slot %d\n", vmon_slot, imon_slot);106 107 return (0x1 << vmon_slot) | (0x1 << imon_slot);108}109 110static int max_98373_hw_params(struct snd_pcm_substream *substream,111 struct snd_pcm_hw_params *params)112{113 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);114 struct snd_soc_dai_link *dai_link = rtd->dai_link;115 struct snd_soc_dai *codec_dai;116 int i;117 int tdm_slots;118 unsigned int tx_mask;119 unsigned int tx_mask_used = 0x0;120 int ret = 0;121 122 for_each_rtd_codec_dais(rtd, i, codec_dai) {123 if (i >= ARRAY_SIZE(max_98373_tdm_mask)) {124 dev_err(codec_dai->dev, "only 2 amps are supported\n");125 return -EINVAL;126 }127 128 switch (dai_link->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) {129 case SND_SOC_DAIFMT_DSP_A:130 case SND_SOC_DAIFMT_DSP_B:131 /* get the tplg configured tdm slot number */132 tdm_slots = sof_dai_get_tdm_slots(rtd);133 if (tdm_slots <= 0) {134 dev_err(rtd->dev, "invalid tdm slots %d\n",135 tdm_slots);136 return -EINVAL;137 }138 139 /* get the tx mask from ACPI device properties */140 tx_mask = max_98373_get_tx_mask(codec_dai->dev);141 if (!tx_mask)142 return -EINVAL;143 144 if (tx_mask & tx_mask_used) {145 dev_err(codec_dai->dev, "invalid tx mask 0x%x, used 0x%x\n",146 tx_mask, tx_mask_used);147 return -EINVAL;148 }149 150 tx_mask_used |= tx_mask;151 152 /*153 * check if tdm slot number is too small for channel154 * allocation155 */156 if (fls(tx_mask) > tdm_slots) {157 dev_err(codec_dai->dev, "slot mismatch, tx %d slots %d\n",158 fls(tx_mask), tdm_slots);159 return -EINVAL;160 }161 162 if (fls(max_98373_tdm_mask[i].rx) > tdm_slots) {163 dev_err(codec_dai->dev, "slot mismatch, rx %d slots %d\n",164 fls(max_98373_tdm_mask[i].rx), tdm_slots);165 return -EINVAL;166 }167 168 dev_dbg(codec_dai->dev, "set tdm slot: tx 0x%x rx 0x%x slots %d width %d\n",169 tx_mask, max_98373_tdm_mask[i].rx,170 tdm_slots, params_width(params));171 172 ret = snd_soc_dai_set_tdm_slot(codec_dai, tx_mask,173 max_98373_tdm_mask[i].rx,174 tdm_slots,175 params_width(params));176 if (ret < 0) {177 dev_err(codec_dai->dev, "fail to set tdm slot, ret %d\n",178 ret);179 return ret;180 }181 break;182 default:183 dev_dbg(codec_dai->dev, "codec is in I2S mode\n");184 break;185 }186 }187 return 0;188}189 190static int max_98373_trigger(struct snd_pcm_substream *substream, int cmd)191{192 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);193 struct snd_soc_dai *codec_dai;194 struct snd_soc_dai *cpu_dai;195 int j;196 int ret = 0;197 198 /* set spk pin by playback only */199 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)200 return 0;201 202 cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);203 for_each_rtd_codec_dais(rtd, j, codec_dai) {204 struct snd_soc_dapm_context *dapm =205 snd_soc_component_get_dapm(cpu_dai->component);206 char pin_name[MAX_98373_PIN_NAME];207 208 snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",209 codec_dai->component->name_prefix);210 211 switch (cmd) {212 case SNDRV_PCM_TRIGGER_START:213 case SNDRV_PCM_TRIGGER_RESUME:214 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:215 ret = snd_soc_dapm_enable_pin(dapm, pin_name);216 if (!ret)217 snd_soc_dapm_sync(dapm);218 break;219 case SNDRV_PCM_TRIGGER_STOP:220 case SNDRV_PCM_TRIGGER_SUSPEND:221 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:222 ret = snd_soc_dapm_disable_pin(dapm, pin_name);223 if (!ret)224 snd_soc_dapm_sync(dapm);225 break;226 default:227 break;228 }229 }230 231 return ret;232}233 234static const struct snd_soc_ops max_98373_ops = {235 .hw_params = max_98373_hw_params,236 .trigger = max_98373_trigger,237};238 239static int max_98373_spk_codec_init(struct snd_soc_pcm_runtime *rtd)240{241 struct snd_soc_card *card = rtd->card;242 unsigned int num_codecs = get_num_codecs(MAX_98373_ACPI_HID);243 int ret;244 245 switch (num_codecs) {246 case 2:247 ret = snd_soc_dapm_new_controls(&card->dapm, maxim_2spk_widgets,248 ARRAY_SIZE(maxim_2spk_widgets));249 if (ret) {250 dev_err(rtd->dev, "fail to add max98373 widgets, ret %d\n",251 ret);252 return ret;253 }254 255 ret = snd_soc_add_card_controls(card, maxim_2spk_kcontrols,256 ARRAY_SIZE(maxim_2spk_kcontrols));257 if (ret) {258 dev_err(rtd->dev, "fail to add max98373 kcontrols, ret %d\n",259 ret);260 return ret;261 }262 263 ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes,264 ARRAY_SIZE(max_98373_dapm_routes));265 if (ret) {266 dev_err(rtd->dev, "fail to add max98373 routes, ret %d\n",267 ret);268 return ret;269 }270 break;271 default:272 dev_err(rtd->dev, "max98373: invalid num_codecs %d\n", num_codecs);273 return -EINVAL;274 }275 276 return ret;277}278 279void max_98373_dai_link(struct device *dev, struct snd_soc_dai_link *link)280{281 link->codecs = max_98373_components;282 link->num_codecs = ARRAY_SIZE(max_98373_components);283 link->init = max_98373_spk_codec_init;284 link->ops = &max_98373_ops;285}286EXPORT_SYMBOL_NS(max_98373_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);287 288void max_98373_set_codec_conf(struct snd_soc_card *card)289{290 card->codec_conf = max_98373_codec_conf;291 card->num_configs = ARRAY_SIZE(max_98373_codec_conf);292}293EXPORT_SYMBOL_NS(max_98373_set_codec_conf, SND_SOC_INTEL_SOF_MAXIM_COMMON);294 295/*296 * Maxim MAX98390297 */298static const struct snd_soc_dapm_route max_98390_dapm_routes[] = {299 /* speaker */300 { "Left Spk", NULL, "Left BE_OUT" },301 { "Right Spk", NULL, "Right BE_OUT" },302};303 304static const struct snd_kcontrol_new max_98390_tt_kcontrols[] = {305 SOC_DAPM_PIN_SWITCH("TL Spk"),306 SOC_DAPM_PIN_SWITCH("TR Spk"),307};308 309static const struct snd_soc_dapm_widget max_98390_tt_dapm_widgets[] = {310 SND_SOC_DAPM_SPK("TL Spk", NULL),311 SND_SOC_DAPM_SPK("TR Spk", NULL),312};313 314static const struct snd_soc_dapm_route max_98390_tt_dapm_routes[] = {315 /* Tweeter speaker */316 { "TL Spk", NULL, "Tweeter Left BE_OUT" },317 { "TR Spk", NULL, "Tweeter Right BE_OUT" },318};319 320static struct snd_soc_codec_conf max_98390_cml_codec_conf[] = {321 {322 .dlc = COMP_CODEC_CONF(MAX_98390_DEV0_NAME),323 .name_prefix = "Left",324 },325 {326 .dlc = COMP_CODEC_CONF(MAX_98390_DEV1_NAME),327 .name_prefix = "Right",328 },329};330 331static struct snd_soc_codec_conf max_98390_codec_conf[] = {332 {333 .dlc = COMP_CODEC_CONF(MAX_98390_DEV0_NAME),334 .name_prefix = "Right",335 },336 {337 .dlc = COMP_CODEC_CONF(MAX_98390_DEV1_NAME),338 .name_prefix = "Left",339 },340 {341 .dlc = COMP_CODEC_CONF(MAX_98390_DEV2_NAME),342 .name_prefix = "Tweeter Right",343 },344 {345 .dlc = COMP_CODEC_CONF(MAX_98390_DEV3_NAME),346 .name_prefix = "Tweeter Left",347 },348};349 350static struct snd_soc_dai_link_component max_98390_components[] = {351 {352 .name = MAX_98390_DEV0_NAME,353 .dai_name = MAX_98390_CODEC_DAI,354 },355 {356 .name = MAX_98390_DEV1_NAME,357 .dai_name = MAX_98390_CODEC_DAI,358 },359 {360 .name = MAX_98390_DEV2_NAME,361 .dai_name = MAX_98390_CODEC_DAI,362 },363 {364 .name = MAX_98390_DEV3_NAME,365 .dai_name = MAX_98390_CODEC_DAI,366 },367};368 369static const struct {370 unsigned int tx;371 unsigned int rx;372} max_98390_tdm_mask[] = {373 {.tx = 0x01, .rx = 0x3},374 {.tx = 0x02, .rx = 0x3},375 {.tx = 0x04, .rx = 0x3},376 {.tx = 0x08, .rx = 0x3},377};378 379static int max_98390_hw_params(struct snd_pcm_substream *substream,380 struct snd_pcm_hw_params *params)381{382 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);383 struct snd_soc_dai_link *dai_link = rtd->dai_link;384 struct snd_soc_dai *codec_dai;385 int i, ret;386 387 for_each_rtd_codec_dais(rtd, i, codec_dai) {388 if (i >= ARRAY_SIZE(max_98390_tdm_mask)) {389 dev_err(codec_dai->dev, "invalid codec index %d\n", i);390 return -ENODEV;391 }392 393 switch (dai_link->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) {394 case SND_SOC_DAIFMT_DSP_A:395 case SND_SOC_DAIFMT_DSP_B:396 /* 4-slot TDM */397 ret = snd_soc_dai_set_tdm_slot(codec_dai,398 max_98390_tdm_mask[i].tx,399 max_98390_tdm_mask[i].rx,400 4,401 params_width(params));402 if (ret < 0) {403 dev_err(codec_dai->dev, "fail to set tdm slot, ret %d\n",404 ret);405 return ret;406 }407 break;408 default:409 dev_dbg(codec_dai->dev, "codec is in I2S mode\n");410 break;411 }412 }413 return 0;414}415 416static int max_98390_init(struct snd_soc_pcm_runtime *rtd)417{418 struct snd_soc_card *card = rtd->card;419 unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID);420 int ret;421 422 switch (num_codecs) {423 case 4:424 /* add widgets/controls/dapm for tweeter speakers */425 ret = snd_soc_dapm_new_controls(&card->dapm, max_98390_tt_dapm_widgets,426 ARRAY_SIZE(max_98390_tt_dapm_widgets));427 if (ret) {428 dev_err(rtd->dev, "unable to add tweeter dapm widgets, ret %d\n",429 ret);430 /* Don't need to add routes if widget addition failed */431 return ret;432 }433 434 ret = snd_soc_add_card_controls(card, max_98390_tt_kcontrols,435 ARRAY_SIZE(max_98390_tt_kcontrols));436 if (ret) {437 dev_err(rtd->dev, "unable to add tweeter controls, ret %d\n",438 ret);439 return ret;440 }441 442 ret = snd_soc_dapm_add_routes(&card->dapm, max_98390_tt_dapm_routes,443 ARRAY_SIZE(max_98390_tt_dapm_routes));444 if (ret) {445 dev_err(rtd->dev, "unable to add tweeter dapm routes, ret %d\n",446 ret);447 return ret;448 }449 450 fallthrough;451 case 2:452 /* add regular speakers dapm route */453 ret = snd_soc_dapm_new_controls(&card->dapm, maxim_2spk_widgets,454 ARRAY_SIZE(maxim_2spk_widgets));455 if (ret) {456 dev_err(rtd->dev, "fail to add max98390 woofer widgets, ret %d\n",457 ret);458 return ret;459 }460 461 ret = snd_soc_add_card_controls(card, maxim_2spk_kcontrols,462 ARRAY_SIZE(maxim_2spk_kcontrols));463 if (ret) {464 dev_err(rtd->dev, "fail to add max98390 woofer kcontrols, ret %d\n",465 ret);466 return ret;467 }468 469 ret = snd_soc_dapm_add_routes(&card->dapm, max_98390_dapm_routes,470 ARRAY_SIZE(max_98390_dapm_routes));471 if (ret) {472 dev_err(rtd->dev, "unable to add dapm routes, ret %d\n",473 ret);474 return ret;475 }476 break;477 default:478 dev_err(rtd->dev, "invalid codec number %d\n", num_codecs);479 return -EINVAL;480 }481 482 return ret;483}484 485static const struct snd_soc_ops max_98390_ops = {486 .hw_params = max_98390_hw_params,487};488 489void max_98390_dai_link(struct device *dev, struct snd_soc_dai_link *link)490{491 unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID);492 493 link->codecs = max_98390_components;494 495 switch (num_codecs) {496 case 2:497 case 4:498 link->num_codecs = num_codecs;499 break;500 default:501 dev_err(dev, "invalid codec number %d for %s\n", num_codecs,502 MAX_98390_ACPI_HID);503 break;504 }505 506 link->init = max_98390_init;507 link->ops = &max_98390_ops;508}509EXPORT_SYMBOL_NS(max_98390_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);510 511void max_98390_set_codec_conf(struct device *dev, struct snd_soc_card *card)512{513 unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID);514 515 card->codec_conf = max_98390_codec_conf;516 517 switch (num_codecs) {518 case 2:519 if (soc_intel_is_cml())520 card->codec_conf = max_98390_cml_codec_conf;521 522 fallthrough;523 case 4:524 card->num_configs = num_codecs;525 break;526 default:527 dev_err(dev, "invalid codec number %d for %s\n", num_codecs,528 MAX_98390_ACPI_HID);529 break;530 }531}532EXPORT_SYMBOL_NS(max_98390_set_codec_conf, SND_SOC_INTEL_SOF_MAXIM_COMMON);533 534/*535 * Maxim MAX98357A/MAX98360A536 */537static const struct snd_kcontrol_new max_98357a_kcontrols[] = {538 SOC_DAPM_PIN_SWITCH("Spk"),539};540 541static const struct snd_soc_dapm_widget max_98357a_dapm_widgets[] = {542 SND_SOC_DAPM_SPK("Spk", NULL),543};544 545static const struct snd_soc_dapm_route max_98357a_dapm_routes[] = {546 /* speaker */547 {"Spk", NULL, "Speaker"},548};549 550static struct snd_soc_dai_link_component max_98357a_components[] = {551 {552 .name = MAX_98357A_DEV0_NAME,553 .dai_name = MAX_98357A_CODEC_DAI,554 }555};556 557static struct snd_soc_dai_link_component max_98360a_components[] = {558 {559 .name = MAX_98360A_DEV0_NAME,560 .dai_name = MAX_98357A_CODEC_DAI,561 }562};563 564static int max_98357a_init(struct snd_soc_pcm_runtime *rtd)565{566 struct snd_soc_card *card = rtd->card;567 int ret;568 569 ret = snd_soc_dapm_new_controls(&card->dapm, max_98357a_dapm_widgets,570 ARRAY_SIZE(max_98357a_dapm_widgets));571 if (ret) {572 dev_err(rtd->dev, "unable to add dapm controls, ret %d\n", ret);573 /* Don't need to add routes if widget addition failed */574 return ret;575 }576 577 ret = snd_soc_add_card_controls(card, max_98357a_kcontrols,578 ARRAY_SIZE(max_98357a_kcontrols));579 if (ret) {580 dev_err(rtd->dev, "unable to add card controls, ret %d\n", ret);581 return ret;582 }583 584 ret = snd_soc_dapm_add_routes(&card->dapm, max_98357a_dapm_routes,585 ARRAY_SIZE(max_98357a_dapm_routes));586 587 if (ret)588 dev_err(rtd->dev, "unable to add dapm routes, ret %d\n", ret);589 590 return ret;591}592 593void max_98357a_dai_link(struct snd_soc_dai_link *link)594{595 link->codecs = max_98357a_components;596 link->num_codecs = ARRAY_SIZE(max_98357a_components);597 link->init = max_98357a_init;598}599EXPORT_SYMBOL_NS(max_98357a_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);600 601void max_98360a_dai_link(struct snd_soc_dai_link *link)602{603 link->codecs = max_98360a_components;604 link->num_codecs = ARRAY_SIZE(max_98360a_components);605 link->init = max_98357a_init;606}607EXPORT_SYMBOL_NS(max_98360a_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);608 609MODULE_DESCRIPTION("ASoC Intel SOF Maxim helpers");610MODULE_LICENSE("GPL");611