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1// SPDX-License-Identifier: GPL-2.0+2//3// Speyside audio support4//5// Copyright 2011 Wolfson Microelectronics6 7#include <sound/soc.h>8#include <sound/soc-dapm.h>9#include <sound/jack.h>10#include <linux/gpio.h>11#include <linux/module.h>12 13#include "../codecs/wm8996.h"14#include "../codecs/wm9081.h"15 16#define WM8996_HPSEL_GPIO 21417#define MCLK_AUDIO_RATE (512 * 48000)18 19static int speyside_set_bias_level(struct snd_soc_card *card,20 struct snd_soc_dapm_context *dapm,21 enum snd_soc_bias_level level)22{23 struct snd_soc_pcm_runtime *rtd;24 struct snd_soc_dai *codec_dai;25 int ret;26 27 rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[1]);28 codec_dai = snd_soc_rtd_to_codec(rtd, 0);29 30 if (dapm->dev != codec_dai->dev)31 return 0;32 33 switch (level) {34 case SND_SOC_BIAS_STANDBY:35 ret = snd_soc_dai_set_sysclk(codec_dai, WM8996_SYSCLK_MCLK2,36 32768, SND_SOC_CLOCK_IN);37 if (ret < 0)38 return ret;39 40 ret = snd_soc_dai_set_pll(codec_dai, WM8996_FLL_MCLK2,41 0, 0, 0);42 if (ret < 0) {43 pr_err("Failed to stop FLL\n");44 return ret;45 }46 break;47 48 default:49 break;50 }51 52 return 0;53}54 55static int speyside_set_bias_level_post(struct snd_soc_card *card,56 struct snd_soc_dapm_context *dapm,57 enum snd_soc_bias_level level)58{59 struct snd_soc_pcm_runtime *rtd;60 struct snd_soc_dai *codec_dai;61 int ret;62 63 rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[1]);64 codec_dai = snd_soc_rtd_to_codec(rtd, 0);65 66 if (dapm->dev != codec_dai->dev)67 return 0;68 69 switch (level) {70 case SND_SOC_BIAS_PREPARE:71 if (card->dapm.bias_level == SND_SOC_BIAS_STANDBY) {72 ret = snd_soc_dai_set_pll(codec_dai, 0,73 WM8996_FLL_MCLK2,74 32768, MCLK_AUDIO_RATE);75 if (ret < 0) {76 pr_err("Failed to start FLL\n");77 return ret;78 }79 80 ret = snd_soc_dai_set_sysclk(codec_dai,81 WM8996_SYSCLK_FLL,82 MCLK_AUDIO_RATE,83 SND_SOC_CLOCK_IN);84 if (ret < 0)85 return ret;86 }87 break;88 89 default:90 break;91 }92 93 card->dapm.bias_level = level;94 95 return 0;96}97 98static struct snd_soc_jack speyside_headset;99 100/* Headset jack detection DAPM pins */101static struct snd_soc_jack_pin speyside_headset_pins[] = {102 {103 .pin = "Headset Mic",104 .mask = SND_JACK_MICROPHONE,105 },106};107 108/* Default the headphone selection to active high */109static int speyside_jack_polarity;110 111static int speyside_get_micbias(struct snd_soc_dapm_widget *source,112 struct snd_soc_dapm_widget *sink)113{114 if (speyside_jack_polarity && (snd_soc_dapm_widget_name_cmp(source, "MICB1") == 0))115 return 1;116 if (!speyside_jack_polarity && (snd_soc_dapm_widget_name_cmp(source, "MICB2") == 0))117 return 1;118 119 return 0;120}121 122static void speyside_set_polarity(struct snd_soc_component *component,123 int polarity)124{125 speyside_jack_polarity = !polarity;126 gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity);127 128 /* Re-run DAPM to make sure we're using the correct mic bias */129 snd_soc_dapm_sync(snd_soc_component_get_dapm(component));130}131 132static int speyside_wm0010_init(struct snd_soc_pcm_runtime *rtd)133{134 struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);135 int ret;136 137 ret = snd_soc_dai_set_sysclk(dai, 0, MCLK_AUDIO_RATE, 0);138 if (ret < 0)139 return ret;140 141 return 0;142}143 144static int speyside_wm8996_init(struct snd_soc_pcm_runtime *rtd)145{146 struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);147 struct snd_soc_component *component = dai->component;148 int ret;149 150 ret = snd_soc_dai_set_sysclk(dai, WM8996_SYSCLK_MCLK2, 32768, 0);151 if (ret < 0)152 return ret;153 154 ret = gpio_request(WM8996_HPSEL_GPIO, "HP_SEL");155 if (ret != 0)156 pr_err("Failed to request HP_SEL GPIO: %d\n", ret);157 gpio_direction_output(WM8996_HPSEL_GPIO, speyside_jack_polarity);158 159 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset",160 SND_JACK_LINEOUT | SND_JACK_HEADSET |161 SND_JACK_BTN_0,162 &speyside_headset,163 speyside_headset_pins,164 ARRAY_SIZE(speyside_headset_pins));165 if (ret)166 return ret;167 168 wm8996_detect(component, &speyside_headset, speyside_set_polarity);169 170 return 0;171}172 173static int speyside_late_probe(struct snd_soc_card *card)174{175 snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");176 snd_soc_dapm_ignore_suspend(&card->dapm, "Headset Mic");177 snd_soc_dapm_ignore_suspend(&card->dapm, "Main AMIC");178 snd_soc_dapm_ignore_suspend(&card->dapm, "Main DMIC");179 snd_soc_dapm_ignore_suspend(&card->dapm, "Main Speaker");180 snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Output");181 snd_soc_dapm_ignore_suspend(&card->dapm, "WM1250 Input");182 183 return 0;184}185 186static const struct snd_soc_pcm_stream dsp_codec_params = {187 .formats = SNDRV_PCM_FMTBIT_S32_LE,188 .rate_min = 48000,189 .rate_max = 48000,190 .channels_min = 2,191 .channels_max = 2,192};193 194SND_SOC_DAILINK_DEFS(cpu_dsp,195 DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),196 DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")),197 DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));198 199SND_SOC_DAILINK_DEFS(dsp_codec,200 DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),201 DAILINK_COMP_ARRAY(COMP_CODEC("wm8996.1-001a", "wm8996-aif1")));202 203SND_SOC_DAILINK_DEFS(baseband,204 DAILINK_COMP_ARRAY(COMP_CPU("wm8996-aif2")),205 DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));206 207static struct snd_soc_dai_link speyside_dai[] = {208 {209 .name = "CPU-DSP",210 .stream_name = "CPU-DSP",211 .init = speyside_wm0010_init,212 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF213 | SND_SOC_DAIFMT_CBM_CFM,214 SND_SOC_DAILINK_REG(cpu_dsp),215 },216 {217 .name = "DSP-CODEC",218 .stream_name = "DSP-CODEC",219 .init = speyside_wm8996_init,220 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF221 | SND_SOC_DAIFMT_CBM_CFM,222 .c2c_params = &dsp_codec_params,223 .num_c2c_params = 1,224 .ignore_suspend = 1,225 SND_SOC_DAILINK_REG(dsp_codec),226 },227 {228 .name = "Baseband",229 .stream_name = "Baseband",230 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF231 | SND_SOC_DAIFMT_CBM_CFM,232 .ignore_suspend = 1,233 SND_SOC_DAILINK_REG(baseband),234 },235};236 237static int speyside_wm9081_init(struct snd_soc_component *component)238{239 /* At any time the WM9081 is active it will have this clock */240 return snd_soc_component_set_sysclk(component, WM9081_SYSCLK_MCLK, 0,241 MCLK_AUDIO_RATE, 0);242}243 244static struct snd_soc_aux_dev speyside_aux_dev[] = {245 {246 .dlc = COMP_AUX("wm9081.1-006c"),247 .init = speyside_wm9081_init,248 },249};250 251static struct snd_soc_codec_conf speyside_codec_conf[] = {252 {253 .dlc = COMP_CODEC_CONF("wm9081.1-006c"),254 .name_prefix = "Sub",255 },256};257 258static const struct snd_kcontrol_new controls[] = {259 SOC_DAPM_PIN_SWITCH("Main Speaker"),260 SOC_DAPM_PIN_SWITCH("Main DMIC"),261 SOC_DAPM_PIN_SWITCH("Main AMIC"),262 SOC_DAPM_PIN_SWITCH("WM1250 Input"),263 SOC_DAPM_PIN_SWITCH("WM1250 Output"),264 SOC_DAPM_PIN_SWITCH("Headphone"),265};266 267static const struct snd_soc_dapm_widget widgets[] = {268 SND_SOC_DAPM_HP("Headphone", NULL),269 SND_SOC_DAPM_MIC("Headset Mic", NULL),270 271 SND_SOC_DAPM_SPK("Main Speaker", NULL),272 273 SND_SOC_DAPM_MIC("Main AMIC", NULL),274 SND_SOC_DAPM_MIC("Main DMIC", NULL),275};276 277static const struct snd_soc_dapm_route audio_paths[] = {278 { "IN1RN", NULL, "MICB1" },279 { "IN1RP", NULL, "MICB1" },280 { "IN1RN", NULL, "MICB2" },281 { "IN1RP", NULL, "MICB2" },282 { "MICB1", NULL, "Headset Mic", speyside_get_micbias },283 { "MICB2", NULL, "Headset Mic", speyside_get_micbias },284 285 { "IN1LP", NULL, "MICB2" },286 { "IN1RN", NULL, "MICB1" },287 { "MICB2", NULL, "Main AMIC" },288 289 { "DMIC1DAT", NULL, "MICB1" },290 { "DMIC2DAT", NULL, "MICB1" },291 { "MICB1", NULL, "Main DMIC" },292 293 { "Headphone", NULL, "HPOUT1L" },294 { "Headphone", NULL, "HPOUT1R" },295 296 { "Sub IN1", NULL, "HPOUT2L" },297 { "Sub IN2", NULL, "HPOUT2R" },298 299 { "Main Speaker", NULL, "Sub SPKN" },300 { "Main Speaker", NULL, "Sub SPKP" },301 { "Main Speaker", NULL, "SPKDAT" },302};303 304static struct snd_soc_card speyside = {305 .name = "Speyside",306 .owner = THIS_MODULE,307 .dai_link = speyside_dai,308 .num_links = ARRAY_SIZE(speyside_dai),309 .aux_dev = speyside_aux_dev,310 .num_aux_devs = ARRAY_SIZE(speyside_aux_dev),311 .codec_conf = speyside_codec_conf,312 .num_configs = ARRAY_SIZE(speyside_codec_conf),313 314 .set_bias_level = speyside_set_bias_level,315 .set_bias_level_post = speyside_set_bias_level_post,316 317 .controls = controls,318 .num_controls = ARRAY_SIZE(controls),319 .dapm_widgets = widgets,320 .num_dapm_widgets = ARRAY_SIZE(widgets),321 .dapm_routes = audio_paths,322 .num_dapm_routes = ARRAY_SIZE(audio_paths),323 .fully_routed = true,324 325 .late_probe = speyside_late_probe,326};327 328static int speyside_probe(struct platform_device *pdev)329{330 struct snd_soc_card *card = &speyside;331 int ret;332 333 card->dev = &pdev->dev;334 335 ret = devm_snd_soc_register_card(&pdev->dev, card);336 if (ret)337 dev_err_probe(&pdev->dev, ret, "snd_soc_register_card() failed\n");338 339 return ret;340}341 342static struct platform_driver speyside_driver = {343 .driver = {344 .name = "speyside",345 .pm = &snd_soc_pm_ops,346 },347 .probe = speyside_probe,348};349 350module_platform_driver(speyside_driver);351 352MODULE_DESCRIPTION("Speyside audio support");353MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");354MODULE_LICENSE("GPL");355MODULE_ALIAS("platform:speyside");356