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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * rx51.c -- SoC audio for Nokia RX-514 *5 * Copyright (C) 2008 - 2009 Nokia Corporation6 *7 * Contact: Peter Ujfalusi <peter.ujfalusi@ti.com>8 * Eduardo Valentin <eduardo.valentin@nokia.com>9 * Jarkko Nikula <jarkko.nikula@bitmer.com>10 */11 12#include <linux/delay.h>13#include <linux/platform_device.h>14#include <linux/gpio/consumer.h>15#include <linux/module.h>16#include <sound/core.h>17#include <sound/jack.h>18#include <sound/pcm.h>19#include <sound/soc.h>20#include <linux/platform_data/asoc-ti-mcbsp.h>21 22#include <asm/mach-types.h>23 24#include "omap-mcbsp.h"25 26enum {27 RX51_JACK_DISABLED,28 RX51_JACK_TVOUT, /* tv-out with stereo output */29 RX51_JACK_HP, /* headphone: stereo output, no mic */30 RX51_JACK_HS, /* headset: stereo output with mic */31};32 33struct rx51_audio_pdata {34 struct gpio_desc *tvout_selection_gpio;35 struct gpio_desc *eci_sw_gpio;36 struct gpio_desc *speaker_amp_gpio;37};38 39static int rx51_spk_func;40static int rx51_dmic_func;41static int rx51_jack_func;42 43static void rx51_ext_control(struct snd_soc_dapm_context *dapm)44{45 struct snd_soc_card *card = dapm->card;46 struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);47 int hp = 0, hs = 0, tvout = 0;48 49 switch (rx51_jack_func) {50 case RX51_JACK_TVOUT:51 tvout = 1;52 hp = 1;53 break;54 case RX51_JACK_HS:55 hs = 1;56 fallthrough;57 case RX51_JACK_HP:58 hp = 1;59 break;60 }61 62 snd_soc_dapm_mutex_lock(dapm);63 64 if (rx51_spk_func)65 snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");66 else67 snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");68 if (rx51_dmic_func)69 snd_soc_dapm_enable_pin_unlocked(dapm, "DMic");70 else71 snd_soc_dapm_disable_pin_unlocked(dapm, "DMic");72 if (hp)73 snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");74 else75 snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");76 if (hs)77 snd_soc_dapm_enable_pin_unlocked(dapm, "HS Mic");78 else79 snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic");80 81 gpiod_set_value(pdata->tvout_selection_gpio, tvout);82 83 snd_soc_dapm_sync_unlocked(dapm);84 85 snd_soc_dapm_mutex_unlock(dapm);86}87 88static int rx51_startup(struct snd_pcm_substream *substream)89{90 struct snd_pcm_runtime *runtime = substream->runtime;91 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);92 struct snd_soc_card *card = rtd->card;93 94 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2);95 rx51_ext_control(&card->dapm);96 97 return 0;98}99 100static int rx51_hw_params(struct snd_pcm_substream *substream,101 struct snd_pcm_hw_params *params)102{103 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);104 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);105 106 /* Set the codec system clock for DAC and ADC */107 return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,108 SND_SOC_CLOCK_IN);109}110 111static const struct snd_soc_ops rx51_ops = {112 .startup = rx51_startup,113 .hw_params = rx51_hw_params,114};115 116static int rx51_get_spk(struct snd_kcontrol *kcontrol,117 struct snd_ctl_elem_value *ucontrol)118{119 ucontrol->value.enumerated.item[0] = rx51_spk_func;120 121 return 0;122}123 124static int rx51_set_spk(struct snd_kcontrol *kcontrol,125 struct snd_ctl_elem_value *ucontrol)126{127 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);128 129 if (rx51_spk_func == ucontrol->value.enumerated.item[0])130 return 0;131 132 rx51_spk_func = ucontrol->value.enumerated.item[0];133 rx51_ext_control(&card->dapm);134 135 return 1;136}137 138static int rx51_spk_event(struct snd_soc_dapm_widget *w,139 struct snd_kcontrol *k, int event)140{141 struct snd_soc_dapm_context *dapm = w->dapm;142 struct snd_soc_card *card = dapm->card;143 struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);144 145 gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio,146 !!SND_SOC_DAPM_EVENT_ON(event));147 148 return 0;149}150 151static int rx51_get_input(struct snd_kcontrol *kcontrol,152 struct snd_ctl_elem_value *ucontrol)153{154 ucontrol->value.enumerated.item[0] = rx51_dmic_func;155 156 return 0;157}158 159static int rx51_set_input(struct snd_kcontrol *kcontrol,160 struct snd_ctl_elem_value *ucontrol)161{162 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);163 164 if (rx51_dmic_func == ucontrol->value.enumerated.item[0])165 return 0;166 167 rx51_dmic_func = ucontrol->value.enumerated.item[0];168 rx51_ext_control(&card->dapm);169 170 return 1;171}172 173static int rx51_get_jack(struct snd_kcontrol *kcontrol,174 struct snd_ctl_elem_value *ucontrol)175{176 ucontrol->value.enumerated.item[0] = rx51_jack_func;177 178 return 0;179}180 181static int rx51_set_jack(struct snd_kcontrol *kcontrol,182 struct snd_ctl_elem_value *ucontrol)183{184 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);185 186 if (rx51_jack_func == ucontrol->value.enumerated.item[0])187 return 0;188 189 rx51_jack_func = ucontrol->value.enumerated.item[0];190 rx51_ext_control(&card->dapm);191 192 return 1;193}194 195static struct snd_soc_jack rx51_av_jack;196 197static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {198 {199 .name = "jack-detection",200 .report = SND_JACK_HEADSET,201 .invert = 1,202 .debounce_time = 200,203 },204};205 206static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {207 SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),208 SND_SOC_DAPM_MIC("DMic", NULL),209 SND_SOC_DAPM_HP("Headphone Jack", NULL),210 SND_SOC_DAPM_MIC("HS Mic", NULL),211 SND_SOC_DAPM_LINE("FM Transmitter", NULL),212 SND_SOC_DAPM_SPK("Earphone", NULL),213};214 215static const struct snd_soc_dapm_route audio_map[] = {216 {"Ext Spk", NULL, "HPLOUT"},217 {"Ext Spk", NULL, "HPROUT"},218 {"Ext Spk", NULL, "HPLCOM"},219 {"Ext Spk", NULL, "HPRCOM"},220 {"FM Transmitter", NULL, "LLOUT"},221 {"FM Transmitter", NULL, "RLOUT"},222 223 {"Headphone Jack", NULL, "TPA6130A2 HPLEFT"},224 {"Headphone Jack", NULL, "TPA6130A2 HPRIGHT"},225 {"TPA6130A2 LEFTIN", NULL, "LLOUT"},226 {"TPA6130A2 RIGHTIN", NULL, "RLOUT"},227 228 {"DMic Rate 64", NULL, "DMic"},229 {"DMic", NULL, "Mic Bias"},230 231 {"b LINE2R", NULL, "MONO_LOUT"},232 {"Earphone", NULL, "b HPLOUT"},233 234 {"LINE1L", NULL, "HS Mic"},235 {"HS Mic", NULL, "b Mic Bias"},236};237 238static const char * const spk_function[] = {"Off", "On"};239static const char * const input_function[] = {"ADC", "Digital Mic"};240static const char * const jack_function[] = {241 "Off", "TV-OUT", "Headphone", "Headset"242};243 244static const struct soc_enum rx51_enum[] = {245 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),246 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),247 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),248};249 250static const struct snd_kcontrol_new aic34_rx51_controls[] = {251 SOC_ENUM_EXT("Speaker Function", rx51_enum[0],252 rx51_get_spk, rx51_set_spk),253 SOC_ENUM_EXT("Input Select", rx51_enum[1],254 rx51_get_input, rx51_set_input),255 SOC_ENUM_EXT("Jack Function", rx51_enum[2],256 rx51_get_jack, rx51_set_jack),257 SOC_DAPM_PIN_SWITCH("FM Transmitter"),258 SOC_DAPM_PIN_SWITCH("Earphone"),259};260 261static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)262{263 struct snd_soc_card *card = rtd->card;264 int err;265 266 snd_soc_limit_volume(card, "TPA6130A2 Headphone Playback Volume", 42);267 268 err = omap_mcbsp_st_add_controls(rtd, 2);269 if (err < 0) {270 dev_err(card->dev, "Failed to add MCBSP controls\n");271 return err;272 }273 274 /* AV jack detection */275 err = snd_soc_card_jack_new(rtd->card, "AV Jack",276 SND_JACK_HEADSET | SND_JACK_VIDEOOUT,277 &rx51_av_jack);278 if (err) {279 dev_err(card->dev, "Failed to add AV Jack\n");280 return err;281 }282 283 rx51_av_jack_gpios[0].gpiod_dev = card->dev;284 /* Name is assigned in the struct */285 rx51_av_jack_gpios[0].idx = 0;286 287 err = snd_soc_jack_add_gpios(&rx51_av_jack,288 ARRAY_SIZE(rx51_av_jack_gpios),289 rx51_av_jack_gpios);290 if (err) {291 dev_err(card->dev, "Failed to add GPIOs\n");292 return err;293 }294 295 return err;296}297 298/* Digital audio interface glue - connects codec <--> CPU */299SND_SOC_DAILINK_DEFS(aic34,300 DAILINK_COMP_ARRAY(COMP_CPU("omap-mcbsp.2")),301 DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.2-0018",302 "tlv320aic3x-hifi")),303 DAILINK_COMP_ARRAY(COMP_PLATFORM("omap-mcbsp.2")));304 305static struct snd_soc_dai_link rx51_dai[] = {306 {307 .name = "TLV320AIC34",308 .stream_name = "AIC34",309 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |310 SND_SOC_DAIFMT_CBM_CFM,311 .init = rx51_aic34_init,312 .ops = &rx51_ops,313 SND_SOC_DAILINK_REG(aic34),314 },315};316 317static struct snd_soc_aux_dev rx51_aux_dev[] = {318 {319 .dlc = COMP_AUX("tlv320aic3x-codec.2-0019"),320 },321 {322 .dlc = COMP_AUX("tpa6130a2.2-0060"),323 },324};325 326static struct snd_soc_codec_conf rx51_codec_conf[] = {327 {328 .dlc = COMP_CODEC_CONF("tlv320aic3x-codec.2-0019"),329 .name_prefix = "b",330 },331 {332 .dlc = COMP_CODEC_CONF("tpa6130a2.2-0060"),333 .name_prefix = "TPA6130A2",334 },335};336 337/* Audio card */338static struct snd_soc_card rx51_sound_card = {339 .name = "RX-51",340 .owner = THIS_MODULE,341 .dai_link = rx51_dai,342 .num_links = ARRAY_SIZE(rx51_dai),343 .aux_dev = rx51_aux_dev,344 .num_aux_devs = ARRAY_SIZE(rx51_aux_dev),345 .codec_conf = rx51_codec_conf,346 .num_configs = ARRAY_SIZE(rx51_codec_conf),347 .fully_routed = true,348 349 .controls = aic34_rx51_controls,350 .num_controls = ARRAY_SIZE(aic34_rx51_controls),351 .dapm_widgets = aic34_dapm_widgets,352 .num_dapm_widgets = ARRAY_SIZE(aic34_dapm_widgets),353 .dapm_routes = audio_map,354 .num_dapm_routes = ARRAY_SIZE(audio_map),355};356 357static int rx51_soc_probe(struct platform_device *pdev)358{359 struct rx51_audio_pdata *pdata;360 struct device_node *np = pdev->dev.of_node;361 struct snd_soc_card *card = &rx51_sound_card;362 int err;363 364 if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))365 return -ENODEV;366 367 card->dev = &pdev->dev;368 369 if (np) {370 struct device_node *dai_node;371 372 dai_node = of_parse_phandle(np, "nokia,cpu-dai", 0);373 if (!dai_node) {374 dev_err(&pdev->dev, "McBSP node is not provided\n");375 return -EINVAL;376 }377 rx51_dai[0].cpus->dai_name = NULL;378 rx51_dai[0].platforms->name = NULL;379 rx51_dai[0].cpus->of_node = dai_node;380 rx51_dai[0].platforms->of_node = dai_node;381 382 dai_node = of_parse_phandle(np, "nokia,audio-codec", 0);383 if (!dai_node) {384 dev_err(&pdev->dev, "Codec node is not provided\n");385 return -EINVAL;386 }387 rx51_dai[0].codecs->name = NULL;388 rx51_dai[0].codecs->of_node = dai_node;389 390 dai_node = of_parse_phandle(np, "nokia,audio-codec", 1);391 if (!dai_node) {392 dev_err(&pdev->dev, "Auxiliary Codec node is not provided\n");393 return -EINVAL;394 }395 rx51_aux_dev[0].dlc.name = NULL;396 rx51_aux_dev[0].dlc.of_node = dai_node;397 rx51_codec_conf[0].dlc.name = NULL;398 rx51_codec_conf[0].dlc.of_node = dai_node;399 400 dai_node = of_parse_phandle(np, "nokia,headphone-amplifier", 0);401 if (!dai_node) {402 dev_err(&pdev->dev, "Headphone amplifier node is not provided\n");403 return -EINVAL;404 }405 rx51_aux_dev[1].dlc.name = NULL;406 rx51_aux_dev[1].dlc.of_node = dai_node;407 rx51_codec_conf[1].dlc.name = NULL;408 rx51_codec_conf[1].dlc.of_node = dai_node;409 }410 411 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);412 if (pdata == NULL)413 return -ENOMEM;414 415 snd_soc_card_set_drvdata(card, pdata);416 417 pdata->tvout_selection_gpio = devm_gpiod_get(card->dev,418 "tvout-selection",419 GPIOD_OUT_LOW);420 if (IS_ERR(pdata->tvout_selection_gpio)) {421 dev_err(card->dev, "could not get tvout selection gpio\n");422 return PTR_ERR(pdata->tvout_selection_gpio);423 }424 425 pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch",426 GPIOD_OUT_HIGH);427 if (IS_ERR(pdata->eci_sw_gpio)) {428 dev_err(card->dev, "could not get eci switch gpio\n");429 return PTR_ERR(pdata->eci_sw_gpio);430 }431 432 pdata->speaker_amp_gpio = devm_gpiod_get(card->dev,433 "speaker-amplifier",434 GPIOD_OUT_LOW);435 if (IS_ERR(pdata->speaker_amp_gpio)) {436 dev_err(card->dev, "could not get speaker enable gpio\n");437 return PTR_ERR(pdata->speaker_amp_gpio);438 }439 440 err = devm_snd_soc_register_card(card->dev, card);441 if (err) {442 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err);443 return err;444 }445 446 return 0;447}448 449#if defined(CONFIG_OF)450static const struct of_device_id rx51_audio_of_match[] = {451 { .compatible = "nokia,n900-audio", },452 {},453};454MODULE_DEVICE_TABLE(of, rx51_audio_of_match);455#endif456 457static struct platform_driver rx51_soc_driver = {458 .driver = {459 .name = "rx51-audio",460 .of_match_table = of_match_ptr(rx51_audio_of_match),461 },462 .probe = rx51_soc_probe,463};464 465module_platform_driver(rx51_soc_driver);466 467MODULE_AUTHOR("Nokia Corporation");468MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");469MODULE_LICENSE("GPL");470MODULE_ALIAS("platform:rx51-audio");471