501 lines · c
1// SPDX-License-Identifier: GPL-2.0+2//3// Bells audio support4//5// Copyright 2012 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/wm5102.h"14#include "../codecs/wm9081.h"15 16/* BCLK2 is fixed at this currently */17#define BCLK2_RATE (64 * 8000)18 19/*20 * Expect a 24.576MHz crystal if one is fitted (the driver will function21 * if this is not fitted).22 */23#define MCLK_RATE 2457600024 25#define SYS_AUDIO_RATE 4410026#define SYS_MCLK_RATE (SYS_AUDIO_RATE * 512)27 28#define DAI_AP_DSP 029#define DAI_DSP_CODEC 130#define DAI_CODEC_CP 231#define DAI_CODEC_SUB 332 33struct bells_drvdata {34 int sysclk_rate;35 int asyncclk_rate;36};37 38static struct bells_drvdata wm2200_drvdata = {39 .sysclk_rate = 22579200,40};41 42static struct bells_drvdata wm5102_drvdata = {43 .sysclk_rate = 45158400,44 .asyncclk_rate = 49152000,45};46 47static struct bells_drvdata wm5110_drvdata = {48 .sysclk_rate = 135475200,49 .asyncclk_rate = 147456000,50};51 52static int bells_set_bias_level(struct snd_soc_card *card,53 struct snd_soc_dapm_context *dapm,54 enum snd_soc_bias_level level)55{56 struct snd_soc_pcm_runtime *rtd;57 struct snd_soc_dai *codec_dai;58 struct snd_soc_component *component;59 struct bells_drvdata *bells = card->drvdata;60 int ret;61 62 rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]);63 codec_dai = snd_soc_rtd_to_codec(rtd, 0);64 component = codec_dai->component;65 66 if (dapm->dev != codec_dai->dev)67 return 0;68 69 switch (level) {70 case SND_SOC_BIAS_PREPARE:71 if (dapm->bias_level != SND_SOC_BIAS_STANDBY)72 break;73 74 ret = snd_soc_component_set_pll(component, WM5102_FLL1,75 ARIZONA_FLL_SRC_MCLK1,76 MCLK_RATE,77 bells->sysclk_rate);78 if (ret < 0)79 pr_err("Failed to start FLL: %d\n", ret);80 81 if (bells->asyncclk_rate) {82 ret = snd_soc_component_set_pll(component, WM5102_FLL2,83 ARIZONA_FLL_SRC_AIF2BCLK,84 BCLK2_RATE,85 bells->asyncclk_rate);86 if (ret < 0)87 pr_err("Failed to start FLL: %d\n", ret);88 }89 break;90 91 default:92 break;93 }94 95 return 0;96}97 98static int bells_set_bias_level_post(struct snd_soc_card *card,99 struct snd_soc_dapm_context *dapm,100 enum snd_soc_bias_level level)101{102 struct snd_soc_pcm_runtime *rtd;103 struct snd_soc_dai *codec_dai;104 struct snd_soc_component *component;105 struct bells_drvdata *bells = card->drvdata;106 int ret;107 108 rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]);109 codec_dai = snd_soc_rtd_to_codec(rtd, 0);110 component = codec_dai->component;111 112 if (dapm->dev != codec_dai->dev)113 return 0;114 115 switch (level) {116 case SND_SOC_BIAS_STANDBY:117 ret = snd_soc_component_set_pll(component, WM5102_FLL1, 0, 0, 0);118 if (ret < 0) {119 pr_err("Failed to stop FLL: %d\n", ret);120 return ret;121 }122 123 if (bells->asyncclk_rate) {124 ret = snd_soc_component_set_pll(component, WM5102_FLL2,125 0, 0, 0);126 if (ret < 0) {127 pr_err("Failed to stop FLL: %d\n", ret);128 return ret;129 }130 }131 break;132 133 default:134 break;135 }136 137 dapm->bias_level = level;138 139 return 0;140}141 142static int bells_late_probe(struct snd_soc_card *card)143{144 struct bells_drvdata *bells = card->drvdata;145 struct snd_soc_pcm_runtime *rtd;146 struct snd_soc_component *wm0010;147 struct snd_soc_component *component;148 struct snd_soc_dai *aif1_dai;149 struct snd_soc_dai *aif2_dai;150 struct snd_soc_dai *aif3_dai;151 struct snd_soc_dai *wm9081_dai;152 int ret;153 154 rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_AP_DSP]);155 wm0010 = snd_soc_rtd_to_codec(rtd, 0)->component;156 157 rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]);158 component = snd_soc_rtd_to_codec(rtd, 0)->component;159 aif1_dai = snd_soc_rtd_to_codec(rtd, 0);160 161 ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_SYSCLK,162 ARIZONA_CLK_SRC_FLL1,163 bells->sysclk_rate,164 SND_SOC_CLOCK_IN);165 if (ret != 0) {166 dev_err(component->dev, "Failed to set SYSCLK: %d\n", ret);167 return ret;168 }169 170 ret = snd_soc_component_set_sysclk(wm0010, 0, 0, SYS_MCLK_RATE, 0);171 if (ret != 0) {172 dev_err(wm0010->dev, "Failed to set WM0010 clock: %d\n", ret);173 return ret;174 }175 176 ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0);177 if (ret != 0)178 dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);179 180 ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_OPCLK, 0,181 SYS_MCLK_RATE, SND_SOC_CLOCK_OUT);182 if (ret != 0)183 dev_err(component->dev, "Failed to set OPCLK: %d\n", ret);184 185 if (card->num_rtd == DAI_CODEC_CP)186 return 0;187 188 ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_ASYNCCLK,189 ARIZONA_CLK_SRC_FLL2,190 bells->asyncclk_rate,191 SND_SOC_CLOCK_IN);192 if (ret != 0) {193 dev_err(component->dev, "Failed to set ASYNCCLK: %d\n", ret);194 return ret;195 }196 197 rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_CODEC_CP]);198 aif2_dai = snd_soc_rtd_to_cpu(rtd, 0);199 200 ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0);201 if (ret != 0) {202 dev_err(aif2_dai->dev, "Failed to set AIF2 clock: %d\n", ret);203 return ret;204 }205 206 if (card->num_rtd == DAI_CODEC_SUB)207 return 0;208 209 rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_CODEC_SUB]);210 aif3_dai = snd_soc_rtd_to_cpu(rtd, 0);211 wm9081_dai = snd_soc_rtd_to_codec(rtd, 0);212 213 ret = snd_soc_dai_set_sysclk(aif3_dai, ARIZONA_CLK_SYSCLK, 0, 0);214 if (ret != 0) {215 dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);216 return ret;217 }218 219 ret = snd_soc_component_set_sysclk(wm9081_dai->component, WM9081_SYSCLK_MCLK,220 0, SYS_MCLK_RATE, 0);221 if (ret != 0) {222 dev_err(wm9081_dai->dev, "Failed to set MCLK: %d\n", ret);223 return ret;224 }225 226 return 0;227}228 229static const struct snd_soc_pcm_stream baseband_params = {230 .formats = SNDRV_PCM_FMTBIT_S32_LE,231 .rate_min = 8000,232 .rate_max = 8000,233 .channels_min = 2,234 .channels_max = 2,235};236 237static const struct snd_soc_pcm_stream sub_params = {238 .formats = SNDRV_PCM_FMTBIT_S32_LE,239 .rate_min = SYS_AUDIO_RATE,240 .rate_max = SYS_AUDIO_RATE,241 .channels_min = 2,242 .channels_max = 2,243};244 245SND_SOC_DAILINK_DEFS(wm2200_cpu_dsp,246 DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),247 DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")),248 DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));249 250SND_SOC_DAILINK_DEFS(wm2200_dsp_codec,251 DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),252 DAILINK_COMP_ARRAY(COMP_CODEC("wm2200.1-003a", "wm2200")));253 254static struct snd_soc_dai_link bells_dai_wm2200[] = {255 {256 .name = "CPU-DSP",257 .stream_name = "CPU-DSP",258 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF259 | SND_SOC_DAIFMT_CBM_CFM,260 SND_SOC_DAILINK_REG(wm2200_cpu_dsp),261 },262 {263 .name = "DSP-CODEC",264 .stream_name = "DSP-CODEC",265 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF266 | SND_SOC_DAIFMT_CBM_CFM,267 .c2c_params = &sub_params,268 .num_c2c_params = 1,269 .ignore_suspend = 1,270 SND_SOC_DAILINK_REG(wm2200_dsp_codec),271 },272};273 274SND_SOC_DAILINK_DEFS(wm5102_cpu_dsp,275 DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),276 DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")),277 DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));278 279SND_SOC_DAILINK_DEFS(wm5102_dsp_codec,280 DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),281 DAILINK_COMP_ARRAY(COMP_CODEC("wm5102-codec", "wm5102-aif1")));282 283SND_SOC_DAILINK_DEFS(wm5102_baseband,284 DAILINK_COMP_ARRAY(COMP_CPU("wm5102-aif2")),285 DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));286 287SND_SOC_DAILINK_DEFS(wm5102_sub,288 DAILINK_COMP_ARRAY(COMP_CPU("wm5102-aif3")),289 DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));290 291static struct snd_soc_dai_link bells_dai_wm5102[] = {292 {293 .name = "CPU-DSP",294 .stream_name = "CPU-DSP",295 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF296 | SND_SOC_DAIFMT_CBM_CFM,297 SND_SOC_DAILINK_REG(wm5102_cpu_dsp),298 },299 {300 .name = "DSP-CODEC",301 .stream_name = "DSP-CODEC",302 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF303 | SND_SOC_DAIFMT_CBM_CFM,304 .c2c_params = &sub_params,305 .num_c2c_params = 1,306 .ignore_suspend = 1,307 SND_SOC_DAILINK_REG(wm5102_dsp_codec),308 },309 {310 .name = "Baseband",311 .stream_name = "Baseband",312 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF313 | SND_SOC_DAIFMT_CBM_CFM,314 .ignore_suspend = 1,315 .c2c_params = &baseband_params,316 .num_c2c_params = 1,317 SND_SOC_DAILINK_REG(wm5102_baseband),318 },319 {320 .name = "Sub",321 .stream_name = "Sub",322 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF323 | SND_SOC_DAIFMT_CBS_CFS,324 .ignore_suspend = 1,325 .c2c_params = &sub_params,326 .num_c2c_params = 1,327 SND_SOC_DAILINK_REG(wm5102_sub),328 },329};330 331SND_SOC_DAILINK_DEFS(wm5110_cpu_dsp,332 DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),333 DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")),334 DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));335 336SND_SOC_DAILINK_DEFS(wm5110_dsp_codec,337 DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),338 DAILINK_COMP_ARRAY(COMP_CODEC("wm5110-codec", "wm5110-aif1")));339 340SND_SOC_DAILINK_DEFS(wm5110_baseband,341 DAILINK_COMP_ARRAY(COMP_CPU("wm5110-aif2")),342 DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));343 344 345SND_SOC_DAILINK_DEFS(wm5110_sub,346 DAILINK_COMP_ARRAY(COMP_CPU("wm5110-aif3")),347 DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));348 349static struct snd_soc_dai_link bells_dai_wm5110[] = {350 {351 .name = "CPU-DSP",352 .stream_name = "CPU-DSP",353 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF354 | SND_SOC_DAIFMT_CBM_CFM,355 SND_SOC_DAILINK_REG(wm5110_cpu_dsp),356 },357 {358 .name = "DSP-CODEC",359 .stream_name = "DSP-CODEC",360 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF361 | SND_SOC_DAIFMT_CBM_CFM,362 .c2c_params = &sub_params,363 .num_c2c_params = 1,364 .ignore_suspend = 1,365 SND_SOC_DAILINK_REG(wm5110_dsp_codec),366 },367 {368 .name = "Baseband",369 .stream_name = "Baseband",370 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF371 | SND_SOC_DAIFMT_CBM_CFM,372 .ignore_suspend = 1,373 .c2c_params = &baseband_params,374 .num_c2c_params = 1,375 SND_SOC_DAILINK_REG(wm5110_baseband),376 },377 {378 .name = "Sub",379 .stream_name = "Sub",380 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF381 | SND_SOC_DAIFMT_CBS_CFS,382 .ignore_suspend = 1,383 .c2c_params = &sub_params,384 .num_c2c_params = 1,385 SND_SOC_DAILINK_REG(wm5110_sub),386 },387};388 389static struct snd_soc_codec_conf bells_codec_conf[] = {390 {391 .dlc = COMP_CODEC_CONF("wm9081.1-006c"),392 .name_prefix = "Sub",393 },394};395 396static const struct snd_soc_dapm_widget bells_widgets[] = {397 SND_SOC_DAPM_MIC("DMIC", NULL),398};399 400static const struct snd_soc_dapm_route bells_routes[] = {401 { "Sub CLK_SYS", NULL, "OPCLK" },402 { "CLKIN", NULL, "OPCLK" },403 404 { "DMIC", NULL, "MICBIAS2" },405 { "IN2L", NULL, "DMIC" },406 { "IN2R", NULL, "DMIC" },407};408 409static struct snd_soc_card bells_cards[] = {410 {411 .name = "Bells WM2200",412 .owner = THIS_MODULE,413 .dai_link = bells_dai_wm2200,414 .num_links = ARRAY_SIZE(bells_dai_wm2200),415 .codec_conf = bells_codec_conf,416 .num_configs = ARRAY_SIZE(bells_codec_conf),417 418 .late_probe = bells_late_probe,419 420 .dapm_widgets = bells_widgets,421 .num_dapm_widgets = ARRAY_SIZE(bells_widgets),422 .dapm_routes = bells_routes,423 .num_dapm_routes = ARRAY_SIZE(bells_routes),424 425 .set_bias_level = bells_set_bias_level,426 .set_bias_level_post = bells_set_bias_level_post,427 428 .drvdata = &wm2200_drvdata,429 },430 {431 .name = "Bells WM5102",432 .owner = THIS_MODULE,433 .dai_link = bells_dai_wm5102,434 .num_links = ARRAY_SIZE(bells_dai_wm5102),435 .codec_conf = bells_codec_conf,436 .num_configs = ARRAY_SIZE(bells_codec_conf),437 438 .late_probe = bells_late_probe,439 440 .dapm_widgets = bells_widgets,441 .num_dapm_widgets = ARRAY_SIZE(bells_widgets),442 .dapm_routes = bells_routes,443 .num_dapm_routes = ARRAY_SIZE(bells_routes),444 445 .set_bias_level = bells_set_bias_level,446 .set_bias_level_post = bells_set_bias_level_post,447 448 .drvdata = &wm5102_drvdata,449 },450 {451 .name = "Bells WM5110",452 .owner = THIS_MODULE,453 .dai_link = bells_dai_wm5110,454 .num_links = ARRAY_SIZE(bells_dai_wm5110),455 .codec_conf = bells_codec_conf,456 .num_configs = ARRAY_SIZE(bells_codec_conf),457 458 .late_probe = bells_late_probe,459 460 .dapm_widgets = bells_widgets,461 .num_dapm_widgets = ARRAY_SIZE(bells_widgets),462 .dapm_routes = bells_routes,463 .num_dapm_routes = ARRAY_SIZE(bells_routes),464 465 .set_bias_level = bells_set_bias_level,466 .set_bias_level_post = bells_set_bias_level_post,467 468 .drvdata = &wm5110_drvdata,469 },470};471 472static int bells_probe(struct platform_device *pdev)473{474 int ret;475 476 bells_cards[pdev->id].dev = &pdev->dev;477 478 ret = devm_snd_soc_register_card(&pdev->dev, &bells_cards[pdev->id]);479 if (ret)480 dev_err(&pdev->dev,481 "snd_soc_register_card(%s) failed: %d\n",482 bells_cards[pdev->id].name, ret);483 484 return ret;485}486 487static struct platform_driver bells_driver = {488 .driver = {489 .name = "bells",490 .pm = &snd_soc_pm_ops,491 },492 .probe = bells_probe,493};494 495module_platform_driver(bells_driver);496 497MODULE_DESCRIPTION("Bells audio support");498MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");499MODULE_LICENSE("GPL");500MODULE_ALIAS("platform:bells");501