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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * bytcr_wm5102.c - ASoc Machine driver for Intel Baytrail platforms with a4 * Wolfson Microelectronics WM5102 codec5 *6 * Copyright (C) 2020 Hans de Goede <hdegoede@redhat.com>7 * Loosely based on bytcr_rt5640.c which is:8 * Copyright (C) 2014-2020 Intel Corp9 * Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com>10 */11 12#include <linux/acpi.h>13#include <linux/bitfield.h>14#include <linux/clk.h>15#include <linux/device.h>16#include <linux/init.h>17#include <linux/module.h>18#include <linux/moduleparam.h>19#include <linux/platform_data/x86/soc.h>20#include <linux/platform_device.h>21#include <linux/slab.h>22#include <linux/spi/spi.h>23#include <sound/jack.h>24#include <sound/pcm.h>25#include <sound/pcm_params.h>26#include <sound/soc.h>27#include <sound/soc-acpi.h>28#include "../../codecs/wm5102.h"29#include "../atom/sst-atom-controls.h"30 31#define WM5102_MAX_SYSCLK_4K 49152000 /* max sysclk for 4K family */32#define WM5102_MAX_SYSCLK_11025 45158400 /* max sysclk for 11.025K family */33 34struct byt_wm5102_private {35 struct snd_soc_jack jack;36 struct clk *mclk;37 struct gpio_desc *spkvdd_en_gpio;38 int mclk_freq;39};40 41#define BYT_WM5102_IN_MAP GENMASK(3, 0)42#define BYT_WM5102_OUT_MAP GENMASK(7, 4)43#define BYT_WM5102_SSP2 BIT(16)44#define BYT_WM5102_MCLK_19_2MHZ BIT(17)45 46enum {47 BYT_WM5102_INTMIC_IN3L_HSMIC_IN1L,48 BYT_WM5102_INTMIC_IN1L_HSMIC_IN2L,49};50 51/* Note these values are pre-shifted for easy use of setting quirks */52enum {53 BYT_WM5102_SPK_SPK_MAP = FIELD_PREP_CONST(BYT_WM5102_OUT_MAP, 0),54 BYT_WM5102_SPK_HPOUT2_MAP = FIELD_PREP_CONST(BYT_WM5102_OUT_MAP, 1),55};56 57static unsigned long quirk;58 59static int quirk_override = -1;60module_param_named(quirk, quirk_override, int, 0444);61MODULE_PARM_DESC(quirk, "Board-specific quirk override");62 63static void log_quirks(struct device *dev)64{65 switch (quirk & BYT_WM5102_IN_MAP) {66 case BYT_WM5102_INTMIC_IN3L_HSMIC_IN1L:67 dev_info_once(dev, "quirk INTMIC_IN3L_HSMIC_IN1L enabled\n");68 break;69 case BYT_WM5102_INTMIC_IN1L_HSMIC_IN2L:70 dev_info_once(dev, "quirk INTMIC_IN1L_HSMIC_IN2L enabled\n");71 break;72 default:73 dev_warn_once(dev, "quirk sets invalid input map: 0x%lx, defaulting to INTMIC_IN3L_HSMIC_IN1L\n",74 quirk & BYT_WM5102_IN_MAP);75 quirk &= ~BYT_WM5102_IN_MAP;76 quirk |= BYT_WM5102_INTMIC_IN3L_HSMIC_IN1L;77 break;78 }79 switch (quirk & BYT_WM5102_OUT_MAP) {80 case BYT_WM5102_SPK_SPK_MAP:81 dev_info_once(dev, "quirk SPK_SPK_MAP enabled\n");82 break;83 case BYT_WM5102_SPK_HPOUT2_MAP:84 dev_info_once(dev, "quirk SPK_HPOUT2_MAP enabled\n");85 break;86 default:87 dev_warn_once(dev, "quirk sets invalid output map: 0x%lx, defaulting to SPK_SPK_MAP\n",88 quirk & BYT_WM5102_OUT_MAP);89 quirk &= ~BYT_WM5102_OUT_MAP;90 quirk |= BYT_WM5102_SPK_SPK_MAP;91 break;92 }93 if (quirk & BYT_WM5102_SSP2)94 dev_info_once(dev, "quirk SSP2 enabled");95 if (quirk & BYT_WM5102_MCLK_19_2MHZ)96 dev_info_once(dev, "quirk MCLK 19.2MHz enabled");97}98 99static int byt_wm5102_spkvdd_power_event(struct snd_soc_dapm_widget *w,100 struct snd_kcontrol *kcontrol, int event)101{102 struct snd_soc_card *card = w->dapm->card;103 struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(card);104 105 gpiod_set_value_cansleep(priv->spkvdd_en_gpio,106 !!SND_SOC_DAPM_EVENT_ON(event));107 108 return 0;109}110 111static int byt_wm5102_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai, int rate)112{113 struct snd_soc_component *codec_component = codec_dai->component;114 struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(codec_component->card);115 int sr_mult = ((rate % 4000) == 0) ?116 (WM5102_MAX_SYSCLK_4K / rate) :117 (WM5102_MAX_SYSCLK_11025 / rate);118 int ret;119 120 /* Reset FLL1 */121 snd_soc_dai_set_pll(codec_dai, WM5102_FLL1_REFCLK, ARIZONA_FLL_SRC_NONE, 0, 0);122 snd_soc_dai_set_pll(codec_dai, WM5102_FLL1, ARIZONA_FLL_SRC_NONE, 0, 0);123 124 /* Configure the FLL1 PLL before selecting it */125 ret = snd_soc_dai_set_pll(codec_dai, WM5102_FLL1, ARIZONA_CLK_SRC_MCLK1,126 priv->mclk_freq, rate * sr_mult);127 if (ret) {128 dev_err(codec_component->dev, "Error setting PLL: %d\n", ret);129 return ret;130 }131 132 ret = snd_soc_component_set_sysclk(codec_component, ARIZONA_CLK_SYSCLK,133 ARIZONA_CLK_SRC_FLL1, rate * sr_mult,134 SND_SOC_CLOCK_IN);135 if (ret) {136 dev_err(codec_component->dev, "Error setting SYSCLK: %d\n", ret);137 return ret;138 }139 140 ret = snd_soc_dai_set_sysclk(codec_dai, ARIZONA_CLK_SYSCLK,141 rate * 512, SND_SOC_CLOCK_IN);142 if (ret) {143 dev_err(codec_component->dev, "Error setting clock: %d\n", ret);144 return ret;145 }146 147 return 0;148}149 150static int platform_clock_control(struct snd_soc_dapm_widget *w,151 struct snd_kcontrol *k, int event)152{153 struct snd_soc_dapm_context *dapm = w->dapm;154 struct snd_soc_card *card = dapm->card;155 struct snd_soc_dai *codec_dai;156 struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(card);157 int ret;158 159 codec_dai = snd_soc_card_get_codec_dai(card, "wm5102-aif1");160 if (!codec_dai) {161 dev_err(card->dev, "Error codec DAI not found\n");162 return -EIO;163 }164 165 if (SND_SOC_DAPM_EVENT_ON(event)) {166 ret = clk_prepare_enable(priv->mclk);167 if (ret) {168 dev_err(card->dev, "Error enabling MCLK: %d\n", ret);169 return ret;170 }171 ret = byt_wm5102_prepare_and_enable_pll1(codec_dai, 48000);172 if (ret) {173 dev_err(card->dev, "Error setting codec sysclk: %d\n", ret);174 return ret;175 }176 } else {177 /*178 * The WM5102 has a separate 32KHz clock for jack-detect179 * so we can disable the PLL, followed by disabling the180 * platform clock which is the source-clock for the PLL.181 */182 snd_soc_dai_set_pll(codec_dai, WM5102_FLL1, ARIZONA_FLL_SRC_NONE, 0, 0);183 clk_disable_unprepare(priv->mclk);184 }185 186 return 0;187}188 189static const struct snd_soc_dapm_widget byt_wm5102_widgets[] = {190 SND_SOC_DAPM_HP("Headphone", NULL),191 SND_SOC_DAPM_MIC("Headset Mic", NULL),192 SND_SOC_DAPM_MIC("Internal Mic", NULL),193 SND_SOC_DAPM_SPK("Speaker", NULL),194 SND_SOC_DAPM_LINE("Line Out", NULL),195 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,196 platform_clock_control, SND_SOC_DAPM_PRE_PMU |197 SND_SOC_DAPM_POST_PMD),198 SND_SOC_DAPM_SUPPLY("Speaker VDD", SND_SOC_NOPM, 0, 0,199 byt_wm5102_spkvdd_power_event,200 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),201};202 203static const struct snd_soc_dapm_route byt_wm5102_audio_map[] = {204 {"Headphone", NULL, "Platform Clock"},205 {"Headset Mic", NULL, "Platform Clock"},206 {"Internal Mic", NULL, "Platform Clock"},207 {"Speaker", NULL, "Platform Clock"},208 {"Speaker", NULL, "Speaker VDD"},209 210 {"Headphone", NULL, "HPOUT1L"},211 {"Headphone", NULL, "HPOUT1R"},212 213 /*214 * The Headset Mix uses MICBIAS1 or 2 depending on if a CTIA/OMTP Headset215 * is connected, as the MICBIAS is applied after the CTIA/OMTP cross-switch.216 */217 {"Headset Mic", NULL, "MICBIAS1"},218 {"Headset Mic", NULL, "MICBIAS2"},219 {"Internal Mic", NULL, "MICBIAS3"},220};221 222static const struct snd_soc_dapm_route bytcr_wm5102_ssp0_map[] = {223 {"AIF1 Playback", NULL, "ssp0 Tx"},224 {"ssp0 Tx", NULL, "modem_out"},225 {"modem_in", NULL, "ssp0 Rx"},226 {"ssp0 Rx", NULL, "AIF1 Capture"},227};228 229static const struct snd_soc_dapm_route bytcr_wm5102_ssp2_map[] = {230 {"AIF1 Playback", NULL, "ssp2 Tx"},231 {"ssp2 Tx", NULL, "codec_out0"},232 {"ssp2 Tx", NULL, "codec_out1"},233 {"codec_in0", NULL, "ssp2 Rx"},234 {"codec_in1", NULL, "ssp2 Rx"},235 {"ssp2 Rx", NULL, "AIF1 Capture"},236};237 238static const struct snd_soc_dapm_route byt_wm5102_spk_spk_map[] = {239 {"Speaker", NULL, "SPKOUTLP"},240 {"Speaker", NULL, "SPKOUTLN"},241 {"Speaker", NULL, "SPKOUTRP"},242 {"Speaker", NULL, "SPKOUTRN"},243};244 245static const struct snd_soc_dapm_route byt_wm5102_spk_hpout2_map[] = {246 {"Speaker", NULL, "HPOUT2L"},247 {"Speaker", NULL, "HPOUT2R"},248};249 250static const struct snd_soc_dapm_route byt_wm5102_intmic_in3l_hsmic_in1l_map[] = {251 {"IN3L", NULL, "Internal Mic"},252 {"IN1L", NULL, "Headset Mic"},253};254 255static const struct snd_soc_dapm_route byt_wm5102_intmic_in1l_hsmic_in2l_map[] = {256 {"IN1L", NULL, "Internal Mic"},257 {"IN2L", NULL, "Headset Mic"},258};259 260static const struct snd_kcontrol_new byt_wm5102_controls[] = {261 SOC_DAPM_PIN_SWITCH("Headphone"),262 SOC_DAPM_PIN_SWITCH("Headset Mic"),263 SOC_DAPM_PIN_SWITCH("Internal Mic"),264 SOC_DAPM_PIN_SWITCH("Speaker"),265 SOC_DAPM_PIN_SWITCH("Line Out"),266};267 268static struct snd_soc_jack_pin byt_wm5102_pins[] = {269 {270 .pin = "Headphone",271 .mask = SND_JACK_HEADPHONE,272 },273 {274 .pin = "Headset Mic",275 .mask = SND_JACK_MICROPHONE,276 },277 {278 .pin = "Line Out",279 .mask = SND_JACK_LINEOUT,280 },281};282 283static int byt_wm5102_init(struct snd_soc_pcm_runtime *runtime)284{285 struct snd_soc_card *card = runtime->card;286 struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(card);287 struct snd_soc_component *component = snd_soc_rtd_to_codec(runtime, 0)->component;288 const struct snd_soc_dapm_route *custom_map = NULL;289 int ret, jack_type, num_routes = 0;290 291 card->dapm.idle_bias_off = true;292 293 ret = snd_soc_add_card_controls(card, byt_wm5102_controls,294 ARRAY_SIZE(byt_wm5102_controls));295 if (ret) {296 dev_err(card->dev, "Error adding card controls: %d\n", ret);297 return ret;298 }299 300 switch (quirk & BYT_WM5102_IN_MAP) {301 case BYT_WM5102_INTMIC_IN3L_HSMIC_IN1L:302 custom_map = byt_wm5102_intmic_in3l_hsmic_in1l_map;303 num_routes = ARRAY_SIZE(byt_wm5102_intmic_in3l_hsmic_in1l_map);304 break;305 case BYT_WM5102_INTMIC_IN1L_HSMIC_IN2L:306 custom_map = byt_wm5102_intmic_in1l_hsmic_in2l_map;307 num_routes = ARRAY_SIZE(byt_wm5102_intmic_in1l_hsmic_in2l_map);308 break;309 }310 ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);311 if (ret)312 return ret;313 314 switch (quirk & BYT_WM5102_OUT_MAP) {315 case BYT_WM5102_SPK_SPK_MAP:316 custom_map = byt_wm5102_spk_spk_map;317 num_routes = ARRAY_SIZE(byt_wm5102_spk_spk_map);318 break;319 case BYT_WM5102_SPK_HPOUT2_MAP:320 custom_map = byt_wm5102_spk_hpout2_map;321 num_routes = ARRAY_SIZE(byt_wm5102_spk_hpout2_map);322 break;323 }324 ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);325 if (ret)326 return ret;327 328 if (quirk & BYT_WM5102_SSP2) {329 custom_map = bytcr_wm5102_ssp2_map;330 num_routes = ARRAY_SIZE(bytcr_wm5102_ssp2_map);331 } else {332 custom_map = bytcr_wm5102_ssp0_map;333 num_routes = ARRAY_SIZE(bytcr_wm5102_ssp0_map);334 }335 ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);336 if (ret)337 return ret;338 339 if (quirk & BYT_WM5102_MCLK_19_2MHZ)340 priv->mclk_freq = 19200000;341 else342 priv->mclk_freq = 25000000;343 344 /*345 * The firmware might enable the clock at boot (this information346 * may or may not be reflected in the enable clock register).347 * To change the rate we must disable the clock first to cover these348 * cases. Due to common clock framework restrictions that do not allow349 * to disable a clock that has not been enabled, we need to enable350 * the clock first.351 */352 ret = clk_prepare_enable(priv->mclk);353 if (!ret)354 clk_disable_unprepare(priv->mclk);355 356 ret = clk_set_rate(priv->mclk, priv->mclk_freq);357 if (ret) {358 dev_err(card->dev, "Error setting MCLK rate: %d\n", ret);359 return ret;360 }361 362 jack_type = ARIZONA_JACK_MASK | SND_JACK_BTN_0 | SND_JACK_BTN_1 |363 SND_JACK_BTN_2 | SND_JACK_BTN_3;364 ret = snd_soc_card_jack_new_pins(card, "Headset", jack_type,365 &priv->jack, byt_wm5102_pins,366 ARRAY_SIZE(byt_wm5102_pins));367 if (ret) {368 dev_err(card->dev, "Error creating jack: %d\n", ret);369 return ret;370 }371 372 snd_soc_component_set_jack(component, &priv->jack, NULL);373 374 return 0;375}376 377static int byt_wm5102_codec_fixup(struct snd_soc_pcm_runtime *rtd,378 struct snd_pcm_hw_params *params)379{380 struct snd_interval *rate = hw_param_interval(params,381 SNDRV_PCM_HW_PARAM_RATE);382 struct snd_interval *channels = hw_param_interval(params,383 SNDRV_PCM_HW_PARAM_CHANNELS);384 int ret, bits;385 386 /* The DSP will convert the FE rate to 48k, stereo */387 rate->min = 48000;388 rate->max = 48000;389 channels->min = 2;390 channels->max = 2;391 392 if (quirk & BYT_WM5102_SSP2) {393 /* set SSP2 to 24-bit */394 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);395 bits = 24;396 } else {397 /* set SSP0 to 16-bit */398 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);399 bits = 16;400 }401 402 /*403 * Default mode for SSP configuration is TDM 4 slot, override config404 * with explicit setting to I2S 2ch 16-bit. The word length is set with405 * dai_set_tdm_slot() since there is no other API exposed406 */407 ret = snd_soc_dai_set_fmt(snd_soc_rtd_to_cpu(rtd, 0),408 SND_SOC_DAIFMT_I2S |409 SND_SOC_DAIFMT_NB_NF |410 SND_SOC_DAIFMT_BP_FP);411 if (ret) {412 dev_err(rtd->dev, "Error setting format to I2S: %d\n", ret);413 return ret;414 }415 416 ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, bits);417 if (ret) {418 dev_err(rtd->dev, "Error setting I2S config: %d\n", ret);419 return ret;420 }421 422 return 0;423}424 425static int byt_wm5102_aif1_startup(struct snd_pcm_substream *substream)426{427 return snd_pcm_hw_constraint_single(substream->runtime,428 SNDRV_PCM_HW_PARAM_RATE, 48000);429}430 431static const struct snd_soc_ops byt_wm5102_aif1_ops = {432 .startup = byt_wm5102_aif1_startup,433};434 435SND_SOC_DAILINK_DEF(dummy,436 DAILINK_COMP_ARRAY(COMP_DUMMY()));437 438SND_SOC_DAILINK_DEF(media,439 DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));440 441SND_SOC_DAILINK_DEF(deepbuffer,442 DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));443 444SND_SOC_DAILINK_DEF(ssp0_port,445 DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));446 447SND_SOC_DAILINK_DEF(ssp0_codec,448 DAILINK_COMP_ARRAY(COMP_CODEC(449 /*450 * Note there is no need to overwrite the codec-name as is done in451 * other bytcr machine drivers, because the codec is a MFD child-dev.452 */453 "wm5102-codec",454 "wm5102-aif1")));455 456SND_SOC_DAILINK_DEF(platform,457 DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));458 459static struct snd_soc_dai_link byt_wm5102_dais[] = {460 [MERR_DPCM_AUDIO] = {461 .name = "Baytrail Audio Port",462 .stream_name = "Baytrail Audio",463 .nonatomic = true,464 .dynamic = 1,465 .dpcm_playback = 1,466 .dpcm_capture = 1,467 .ops = &byt_wm5102_aif1_ops,468 SND_SOC_DAILINK_REG(media, dummy, platform),469 470 },471 [MERR_DPCM_DEEP_BUFFER] = {472 .name = "Deep-Buffer Audio Port",473 .stream_name = "Deep-Buffer Audio",474 .nonatomic = true,475 .dynamic = 1,476 .dpcm_playback = 1,477 .ops = &byt_wm5102_aif1_ops,478 SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),479 },480 /* back ends */481 {482 /*483 * This dailink is updated dynamically to point to SSP0 or SSP2.484 * Yet its name is always kept as "SSP2-Codec" because the SOF485 * tplg files hardcode "SSP2-Codec" even in byt-foo-ssp0.tplg.486 */487 .name = "SSP2-Codec",488 .id = 0,489 .no_pcm = 1,490 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF491 | SND_SOC_DAIFMT_CBC_CFC,492 .be_hw_params_fixup = byt_wm5102_codec_fixup,493 .dpcm_playback = 1,494 .dpcm_capture = 1,495 .init = byt_wm5102_init,496 SND_SOC_DAILINK_REG(ssp0_port, ssp0_codec, platform),497 },498};499 500/* use space before codec name to simplify card ID, and simplify driver name */501#define SOF_CARD_NAME "bytcht wm5102" /* card name will be 'sof-bytcht wm5102' */502#define SOF_DRIVER_NAME "SOF"503 504#define CARD_NAME "bytcr-wm5102"505#define DRIVER_NAME NULL /* card name will be used for driver name */506 507/* SoC card */508static struct snd_soc_card byt_wm5102_card = {509 .owner = THIS_MODULE,510 .dai_link = byt_wm5102_dais,511 .num_links = ARRAY_SIZE(byt_wm5102_dais),512 .dapm_widgets = byt_wm5102_widgets,513 .num_dapm_widgets = ARRAY_SIZE(byt_wm5102_widgets),514 .dapm_routes = byt_wm5102_audio_map,515 .num_dapm_routes = ARRAY_SIZE(byt_wm5102_audio_map),516 .fully_routed = true,517};518 519static char byt_wm5102_components[64]; /* = "cfg-spk:* cfg-int-mic:* cfg-hs-mic:* ..." */520 521static int snd_byt_wm5102_mc_probe(struct platform_device *pdev)522{523 static const char * const out_map_name[] = { "spk", "hpout2" };524 static const char * const intmic_map_name[] = { "in3l", "in1l" };525 static const char * const hsmic_map_name[] = { "in1l", "in2l" };526 char codec_name[SND_ACPI_I2C_ID_LEN];527 struct device *dev = &pdev->dev;528 struct byt_wm5102_private *priv;529 struct snd_soc_acpi_mach *mach;530 const char *platform_name;531 struct acpi_device *adev;532 struct device *codec_dev;533 int dai_index = 0;534 bool sof_parent;535 int i, ret;536 537 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);538 if (!priv)539 return -ENOMEM;540 541 /* Get MCLK */542 priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3");543 if (IS_ERR(priv->mclk))544 return dev_err_probe(dev, PTR_ERR(priv->mclk), "getting pmc_plt_clk_3\n");545 546 /*547 * Get speaker VDD enable GPIO:548 * 1. Get codec-device-name549 * 2. Get codec-device550 * 3. Get GPIO from codec-device551 */552 mach = dev->platform_data;553 adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);554 if (adev) {555 snprintf(codec_name, sizeof(codec_name), "spi-%s", acpi_dev_name(adev));556 acpi_dev_put(adev);557 } else {558 /* Special case for when the codec is missing from the DSTD */559 strscpy(codec_name, "spi1.0", sizeof(codec_name));560 }561 562 codec_dev = bus_find_device_by_name(&spi_bus_type, NULL, codec_name);563 if (!codec_dev)564 return -EPROBE_DEFER;565 566 /* Note no devm_ here since we call gpiod_get on codec_dev rather then dev */567 priv->spkvdd_en_gpio = gpiod_get(codec_dev, "wlf,spkvdd-ena", GPIOD_OUT_LOW);568 put_device(codec_dev);569 570 if (IS_ERR(priv->spkvdd_en_gpio)) {571 ret = PTR_ERR(priv->spkvdd_en_gpio);572 /*573 * The spkvdd gpio-lookup is registered by: drivers/mfd/arizona-spi.c,574 * so -ENOENT means that arizona-spi hasn't probed yet.575 */576 if (ret == -ENOENT)577 ret = -EPROBE_DEFER;578 579 return dev_err_probe(dev, ret, "getting spkvdd-GPIO\n");580 }581 582 if (soc_intel_is_cht()) {583 /*584 * CHT always uses SSP2 and 19.2 MHz; and585 * the one currently supported CHT design uses HPOUT2 as586 * speaker output and has the intmic on IN1L + hsmic on IN2L.587 */588 quirk = BYT_WM5102_SSP2 | BYT_WM5102_MCLK_19_2MHZ |589 BYT_WM5102_INTMIC_IN1L_HSMIC_IN2L |590 BYT_WM5102_SPK_HPOUT2_MAP;591 }592 if (quirk_override != -1) {593 dev_info_once(dev, "Overriding quirk 0x%lx => 0x%x\n",594 quirk, quirk_override);595 quirk = quirk_override;596 }597 log_quirks(dev);598 599 snprintf(byt_wm5102_components, sizeof(byt_wm5102_components),600 "cfg-spk:%s cfg-intmic:%s cfg-hsmic:%s",601 out_map_name[FIELD_GET(BYT_WM5102_OUT_MAP, quirk)],602 intmic_map_name[FIELD_GET(BYT_WM5102_IN_MAP, quirk)],603 hsmic_map_name[FIELD_GET(BYT_WM5102_IN_MAP, quirk)]);604 byt_wm5102_card.components = byt_wm5102_components;605 606 /* find index of codec dai */607 for (i = 0; i < ARRAY_SIZE(byt_wm5102_dais); i++) {608 if (byt_wm5102_dais[i].num_codecs &&609 !strcmp(byt_wm5102_dais[i].codecs->name,610 "wm5102-codec")) {611 dai_index = i;612 break;613 }614 }615 616 /* override platform name, if required */617 byt_wm5102_card.dev = dev;618 platform_name = mach->mach_params.platform;619 ret = snd_soc_fixup_dai_links_platform_name(&byt_wm5102_card, platform_name);620 if (ret)621 goto out_put_gpio;622 623 /* override SSP port, if required */624 if (quirk & BYT_WM5102_SSP2)625 byt_wm5102_dais[dai_index].cpus->dai_name = "ssp2-port";626 627 /* set card and driver name and pm-ops */628 sof_parent = snd_soc_acpi_sof_parent(dev);629 if (sof_parent) {630 byt_wm5102_card.name = SOF_CARD_NAME;631 byt_wm5102_card.driver_name = SOF_DRIVER_NAME;632 dev->driver->pm = &snd_soc_pm_ops;633 } else {634 byt_wm5102_card.name = CARD_NAME;635 byt_wm5102_card.driver_name = DRIVER_NAME;636 }637 638 snd_soc_card_set_drvdata(&byt_wm5102_card, priv);639 ret = devm_snd_soc_register_card(dev, &byt_wm5102_card);640 if (ret) {641 dev_err_probe(dev, ret, "registering card\n");642 goto out_put_gpio;643 }644 645 platform_set_drvdata(pdev, &byt_wm5102_card);646 return 0;647 648out_put_gpio:649 gpiod_put(priv->spkvdd_en_gpio);650 return ret;651}652 653static void snd_byt_wm5102_mc_remove(struct platform_device *pdev)654{655 struct snd_soc_card *card = platform_get_drvdata(pdev);656 struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(card);657 658 gpiod_put(priv->spkvdd_en_gpio);659}660 661static struct platform_driver snd_byt_wm5102_mc_driver = {662 .driver = {663 .name = "bytcr_wm5102",664 },665 .probe = snd_byt_wm5102_mc_probe,666 .remove = snd_byt_wm5102_mc_remove,667};668 669module_platform_driver(snd_byt_wm5102_mc_driver);670 671MODULE_DESCRIPTION("ASoC Baytrail with WM5102 codec machine driver");672MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");673MODULE_LICENSE("GPL v2");674MODULE_ALIAS("platform:bytcr_wm5102");675