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1// SPDX-License-Identifier: GPL-2.0+2/*3 * Machine driver for AMD Vangogh platform using either4 * NAU8821 & CS35L41 or NAU8821 & MAX98388 codecs.5 *6 * Copyright 2021 Advanced Micro Devices, Inc.7 */8 9#include <linux/acpi.h>10#include <linux/dmi.h>11#include <linux/gpio/consumer.h>12#include <linux/i2c.h>13#include <linux/input-event-codes.h>14#include <linux/module.h>15#include <sound/jack.h>16#include <sound/pcm_params.h>17#include <sound/soc.h>18#include <sound/soc-dapm.h>19 20#include "../../codecs/nau8821.h"21#include "acp5x.h"22 23#define DRV_NAME "acp5x_mach"24#define DUAL_CHANNEL 225#define ACP5X_NAU8821_BCLK 307200026#define ACP5X_NAU8821_FREQ_OUT 1228800027#define ACP5X_NAU8821_COMP_NAME "i2c-NVTN2020:00"28#define ACP5X_NAU8821_DAI_NAME "nau8821-hifi"29#define ACP5X_CS35L41_COMP_LNAME "spi-VLV1776:00"30#define ACP5X_CS35L41_COMP_RNAME "spi-VLV1776:01"31#define ACP5X_CS35L41_DAI_NAME "cs35l41-pcm"32#define ACP5X_MAX98388_COMP_LNAME "i2c-ADS8388:00"33#define ACP5X_MAX98388_COMP_RNAME "i2c-ADS8388:01"34#define ACP5X_MAX98388_DAI_NAME "max98388-aif1"35 36static struct snd_soc_jack vg_headset;37 38SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("acp5x_i2s_dma.0")));39SND_SOC_DAILINK_DEF(acp5x_i2s, DAILINK_COMP_ARRAY(COMP_CPU("acp5x_i2s_playcap.0")));40SND_SOC_DAILINK_DEF(acp5x_bt, DAILINK_COMP_ARRAY(COMP_CPU("acp5x_i2s_playcap.1")));41SND_SOC_DAILINK_DEF(nau8821, DAILINK_COMP_ARRAY(COMP_CODEC(ACP5X_NAU8821_COMP_NAME,42 ACP5X_NAU8821_DAI_NAME)));43 44static struct snd_soc_jack_pin acp5x_nau8821_jack_pins[] = {45 {46 .pin = "Headphone",47 .mask = SND_JACK_HEADPHONE,48 },49 {50 .pin = "Headset Mic",51 .mask = SND_JACK_MICROPHONE,52 },53};54 55static const struct snd_kcontrol_new acp5x_8821_controls[] = {56 SOC_DAPM_PIN_SWITCH("Headphone"),57 SOC_DAPM_PIN_SWITCH("Headset Mic"),58 SOC_DAPM_PIN_SWITCH("Int Mic"),59};60 61static int platform_clock_control(struct snd_soc_dapm_widget *w,62 struct snd_kcontrol *k, int event)63{64 struct snd_soc_dapm_context *dapm = w->dapm;65 struct snd_soc_card *card = dapm->card;66 struct snd_soc_dai *dai;67 int ret = 0;68 69 dai = snd_soc_card_get_codec_dai(card, ACP5X_NAU8821_DAI_NAME);70 if (!dai) {71 dev_err(card->dev, "Codec dai not found\n");72 return -EIO;73 }74 75 if (SND_SOC_DAPM_EVENT_OFF(event)) {76 ret = snd_soc_dai_set_sysclk(dai, NAU8821_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);77 if (ret < 0) {78 dev_err(card->dev, "set sysclk err = %d\n", ret);79 return -EIO;80 }81 } else {82 ret = snd_soc_dai_set_sysclk(dai, NAU8821_CLK_FLL_BLK, 0, SND_SOC_CLOCK_IN);83 if (ret < 0)84 dev_err(dai->dev, "can't set BLK clock %d\n", ret);85 ret = snd_soc_dai_set_pll(dai, 0, 0, ACP5X_NAU8821_BCLK, ACP5X_NAU8821_FREQ_OUT);86 if (ret < 0)87 dev_err(dai->dev, "can't set FLL: %d\n", ret);88 }89 90 return ret;91}92 93static int acp5x_8821_init(struct snd_soc_pcm_runtime *rtd)94{95 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;96 int ret;97 98 /*99 * Headset buttons map to the google Reference headset.100 * These can be configured by userspace.101 */102 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",103 SND_JACK_HEADSET | SND_JACK_BTN_0,104 &vg_headset, acp5x_nau8821_jack_pins,105 ARRAY_SIZE(acp5x_nau8821_jack_pins));106 if (ret) {107 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);108 return ret;109 }110 111 snd_jack_set_key(vg_headset.jack, SND_JACK_BTN_0, KEY_MEDIA);112 nau8821_enable_jack_detect(component, &vg_headset);113 114 return ret;115}116 117static const unsigned int rates[] = {118 48000,119};120 121static const struct snd_pcm_hw_constraint_list constraints_rates = {122 .count = ARRAY_SIZE(rates),123 .list = rates,124 .mask = 0,125};126 127static const unsigned int channels[] = {128 2,129};130 131static const struct snd_pcm_hw_constraint_list constraints_channels = {132 .count = ARRAY_SIZE(channels),133 .list = channels,134 .mask = 0,135};136 137static const unsigned int acp5x_nau8821_format[] = {32};138 139static struct snd_pcm_hw_constraint_list constraints_sample_bits = {140 .list = acp5x_nau8821_format,141 .count = ARRAY_SIZE(acp5x_nau8821_format),142};143 144static int acp5x_8821_startup(struct snd_pcm_substream *substream)145{146 struct snd_pcm_runtime *runtime = substream->runtime;147 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);148 struct acp5x_platform_info *machine = snd_soc_card_get_drvdata(rtd->card);149 150 machine->play_i2s_instance = I2S_SP_INSTANCE;151 machine->cap_i2s_instance = I2S_SP_INSTANCE;152 153 runtime->hw.channels_max = DUAL_CHANNEL;154 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,155 &constraints_channels);156 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,157 &constraints_rates);158 snd_pcm_hw_constraint_list(substream->runtime, 0,159 SNDRV_PCM_HW_PARAM_SAMPLE_BITS,160 &constraints_sample_bits);161 162 return 0;163}164 165static int acp5x_nau8821_hw_params(struct snd_pcm_substream *substream,166 struct snd_pcm_hw_params *params)167{168 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);169 struct snd_soc_card *card = rtd->card;170 struct snd_soc_dai *dai = snd_soc_card_get_codec_dai(card, ACP5X_NAU8821_DAI_NAME);171 int ret, bclk;172 173 if (!dai)174 return -EINVAL;175 176 ret = snd_soc_dai_set_sysclk(dai, NAU8821_CLK_FLL_BLK, 0, SND_SOC_CLOCK_IN);177 if (ret < 0)178 dev_err(card->dev, "can't set FS clock %d\n", ret);179 180 bclk = snd_soc_params_to_bclk(params);181 if (bclk < 0) {182 dev_err(dai->dev, "Fail to get BCLK rate: %d\n", bclk);183 return bclk;184 }185 186 ret = snd_soc_dai_set_pll(dai, 0, 0, bclk, params_rate(params) * 256);187 if (ret < 0)188 dev_err(card->dev, "can't set FLL: %d\n", ret);189 190 return ret;191}192 193static const struct snd_soc_ops acp5x_8821_ops = {194 .startup = acp5x_8821_startup,195 .hw_params = acp5x_nau8821_hw_params,196};197 198static int acp5x_cs35l41_startup(struct snd_pcm_substream *substream)199{200 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);201 struct acp5x_platform_info *machine = snd_soc_card_get_drvdata(rtd->card);202 struct snd_pcm_runtime *runtime = substream->runtime;203 204 machine->play_i2s_instance = I2S_HS_INSTANCE;205 206 runtime->hw.channels_max = DUAL_CHANNEL;207 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,208 &constraints_channels);209 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,210 &constraints_rates);211 212 return 0;213}214 215static int acp5x_cs35l41_hw_params(struct snd_pcm_substream *substream,216 struct snd_pcm_hw_params *params)217{218 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);219 unsigned int bclk, rate = params_rate(params);220 struct snd_soc_component *comp;221 int ret, i;222 223 switch (rate) {224 case 48000:225 bclk = 1536000;226 break;227 default:228 bclk = 0;229 break;230 }231 232 for_each_rtd_components(rtd, i, comp) {233 if (!(strcmp(comp->name, ACP5X_CS35L41_COMP_LNAME)) ||234 !(strcmp(comp->name, ACP5X_CS35L41_COMP_RNAME))) {235 if (!bclk) {236 dev_err(comp->dev, "Invalid sample rate: 0x%x\n", rate);237 return -EINVAL;238 }239 240 ret = snd_soc_component_set_sysclk(comp, 0, 0, bclk, SND_SOC_CLOCK_IN);241 if (ret) {242 dev_err(comp->dev, "failed to set SYSCLK: %d\n", ret);243 return ret;244 }245 }246 }247 248 return 0;249}250 251static const struct snd_soc_ops acp5x_cs35l41_play_ops = {252 .startup = acp5x_cs35l41_startup,253 .hw_params = acp5x_cs35l41_hw_params,254};255 256static struct snd_soc_codec_conf acp5x_cs35l41_conf[] = {257 {258 .dlc = COMP_CODEC_CONF(ACP5X_CS35L41_COMP_LNAME),259 .name_prefix = "Left",260 },261 {262 .dlc = COMP_CODEC_CONF(ACP5X_CS35L41_COMP_RNAME),263 .name_prefix = "Right",264 },265};266 267SND_SOC_DAILINK_DEF(cs35l41, DAILINK_COMP_ARRAY(COMP_CODEC(ACP5X_CS35L41_COMP_LNAME,268 ACP5X_CS35L41_DAI_NAME),269 COMP_CODEC(ACP5X_CS35L41_COMP_RNAME,270 ACP5X_CS35L41_DAI_NAME)));271 272static struct snd_soc_dai_link acp5x_8821_35l41_dai[] = {273 {274 .name = "acp5x-8821-play",275 .stream_name = "Playback/Capture",276 .dai_fmt = SND_SOC_DAIFMT_I2S |277 SND_SOC_DAIFMT_NB_NF |278 SND_SOC_DAIFMT_CBC_CFC,279 .dpcm_playback = 1,280 .dpcm_capture = 1,281 .ops = &acp5x_8821_ops,282 .init = acp5x_8821_init,283 SND_SOC_DAILINK_REG(acp5x_i2s, nau8821, platform),284 },285 {286 .name = "acp5x-CS35L41-Stereo",287 .stream_name = "CS35L41 Stereo Playback",288 .dai_fmt = SND_SOC_DAIFMT_I2S |289 SND_SOC_DAIFMT_NB_NF |290 SND_SOC_DAIFMT_CBC_CFC,291 .dpcm_playback = 1,292 .playback_only = 1,293 .ops = &acp5x_cs35l41_play_ops,294 SND_SOC_DAILINK_REG(acp5x_bt, cs35l41, platform),295 },296};297 298static const struct snd_soc_dapm_widget acp5x_8821_35l41_widgets[] = {299 SND_SOC_DAPM_HP("Headphone", NULL),300 SND_SOC_DAPM_MIC("Headset Mic", NULL),301 SND_SOC_DAPM_MIC("Int Mic", NULL),302 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,303 platform_clock_control,304 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),305};306 307static const struct snd_soc_dapm_route acp5x_8821_35l41_audio_route[] = {308 /* HP jack connectors - unknown if we have jack detection */309 { "Headphone", NULL, "HPOL" },310 { "Headphone", NULL, "HPOR" },311 { "MICL", NULL, "Headset Mic" },312 { "MICR", NULL, "Headset Mic" },313 { "DMIC", NULL, "Int Mic" },314 315 { "Headphone", NULL, "Platform Clock" },316 { "Headset Mic", NULL, "Platform Clock" },317 { "Int Mic", NULL, "Platform Clock" },318};319 320static struct snd_soc_card acp5x_8821_35l41_card = {321 .name = "acp5x",322 .owner = THIS_MODULE,323 .dai_link = acp5x_8821_35l41_dai,324 .num_links = ARRAY_SIZE(acp5x_8821_35l41_dai),325 .dapm_widgets = acp5x_8821_35l41_widgets,326 .num_dapm_widgets = ARRAY_SIZE(acp5x_8821_35l41_widgets),327 .dapm_routes = acp5x_8821_35l41_audio_route,328 .num_dapm_routes = ARRAY_SIZE(acp5x_8821_35l41_audio_route),329 .codec_conf = acp5x_cs35l41_conf,330 .num_configs = ARRAY_SIZE(acp5x_cs35l41_conf),331 .controls = acp5x_8821_controls,332 .num_controls = ARRAY_SIZE(acp5x_8821_controls),333};334 335static int acp5x_max98388_startup(struct snd_pcm_substream *substream)336{337 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);338 struct acp5x_platform_info *machine = snd_soc_card_get_drvdata(rtd->card);339 struct snd_pcm_runtime *runtime = substream->runtime;340 341 machine->play_i2s_instance = I2S_HS_INSTANCE;342 343 runtime->hw.channels_max = DUAL_CHANNEL;344 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,345 &constraints_channels);346 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,347 &constraints_rates);348 return 0;349}350 351static const struct snd_soc_ops acp5x_max98388_play_ops = {352 .startup = acp5x_max98388_startup,353};354 355static struct snd_soc_codec_conf acp5x_max98388_conf[] = {356 {357 .dlc = COMP_CODEC_CONF(ACP5X_MAX98388_COMP_LNAME),358 .name_prefix = "Left",359 },360 {361 .dlc = COMP_CODEC_CONF(ACP5X_MAX98388_COMP_RNAME),362 .name_prefix = "Right",363 },364};365 366SND_SOC_DAILINK_DEF(max98388, DAILINK_COMP_ARRAY(COMP_CODEC(ACP5X_MAX98388_COMP_LNAME,367 ACP5X_MAX98388_DAI_NAME),368 COMP_CODEC(ACP5X_MAX98388_COMP_RNAME,369 ACP5X_MAX98388_DAI_NAME)));370 371static struct snd_soc_dai_link acp5x_8821_98388_dai[] = {372 {373 .name = "acp5x-8821-play",374 .stream_name = "Playback/Capture",375 .dai_fmt = SND_SOC_DAIFMT_I2S |376 SND_SOC_DAIFMT_NB_NF |377 SND_SOC_DAIFMT_CBC_CFC,378 .dpcm_playback = 1,379 .dpcm_capture = 1,380 .ops = &acp5x_8821_ops,381 .init = acp5x_8821_init,382 SND_SOC_DAILINK_REG(acp5x_i2s, nau8821, platform),383 },384 {385 .name = "acp5x-max98388-play",386 .stream_name = "MAX98388 Playback",387 .dai_fmt = SND_SOC_DAIFMT_I2S |388 SND_SOC_DAIFMT_NB_NF |389 SND_SOC_DAIFMT_CBC_CFC,390 .dpcm_playback = 1,391 .playback_only = 1,392 .ops = &acp5x_max98388_play_ops,393 SND_SOC_DAILINK_REG(acp5x_bt, max98388, platform),394 },395};396 397static const struct snd_soc_dapm_widget acp5x_8821_98388_widgets[] = {398 SND_SOC_DAPM_HP("Headphone", NULL),399 SND_SOC_DAPM_MIC("Headset Mic", NULL),400 SND_SOC_DAPM_MIC("Int Mic", NULL),401 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,402 platform_clock_control,403 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),404 SND_SOC_DAPM_SPK("SPK", NULL),405};406 407static const struct snd_soc_dapm_route acp5x_8821_98388_route[] = {408 { "Headphone", NULL, "HPOL" },409 { "Headphone", NULL, "HPOR" },410 { "MICL", NULL, "Headset Mic" },411 { "MICR", NULL, "Headset Mic" },412 { "DMIC", NULL, "Int Mic" },413 414 { "Headphone", NULL, "Platform Clock" },415 { "Headset Mic", NULL, "Platform Clock" },416 { "Int Mic", NULL, "Platform Clock" },417 418 { "SPK", NULL, "Left BE_OUT" },419 { "SPK", NULL, "Right BE_OUT" },420};421 422static struct snd_soc_card acp5x_8821_98388_card = {423 .name = "acp5x-max98388",424 .owner = THIS_MODULE,425 .dai_link = acp5x_8821_98388_dai,426 .num_links = ARRAY_SIZE(acp5x_8821_98388_dai),427 .dapm_widgets = acp5x_8821_98388_widgets,428 .num_dapm_widgets = ARRAY_SIZE(acp5x_8821_98388_widgets),429 .dapm_routes = acp5x_8821_98388_route,430 .num_dapm_routes = ARRAY_SIZE(acp5x_8821_98388_route),431 .codec_conf = acp5x_max98388_conf,432 .num_configs = ARRAY_SIZE(acp5x_max98388_conf),433 .controls = acp5x_8821_controls,434 .num_controls = ARRAY_SIZE(acp5x_8821_controls),435};436 437static const struct dmi_system_id acp5x_vg_quirk_table[] = {438 {439 .matches = {440 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Valve"),441 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jupiter"),442 },443 .driver_data = (void *)&acp5x_8821_35l41_card,444 },445 {446 .matches = {447 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Valve"),448 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Galileo"),449 },450 .driver_data = (void *)&acp5x_8821_98388_card,451 },452 {}453};454 455static int acp5x_probe(struct platform_device *pdev)456{457 const struct dmi_system_id *dmi_id;458 struct acp5x_platform_info *machine;459 struct device *dev = &pdev->dev;460 struct snd_soc_card *card;461 int ret;462 463 dmi_id = dmi_first_match(acp5x_vg_quirk_table);464 if (!dmi_id || !dmi_id->driver_data)465 return -ENODEV;466 467 machine = devm_kzalloc(dev, sizeof(*machine), GFP_KERNEL);468 if (!machine)469 return -ENOMEM;470 471 card = dmi_id->driver_data;472 card->dev = dev;473 platform_set_drvdata(pdev, card);474 snd_soc_card_set_drvdata(card, machine);475 476 ret = devm_snd_soc_register_card(dev, card);477 if (ret)478 return dev_err_probe(dev, ret, "Register card (%s) failed\n", card->name);479 480 return 0;481}482 483static struct platform_driver acp5x_mach_driver = {484 .driver = {485 .name = DRV_NAME,486 .pm = &snd_soc_pm_ops,487 },488 .probe = acp5x_probe,489};490 491module_platform_driver(acp5x_mach_driver);492 493MODULE_AUTHOR("Vijendar.Mukunda@amd.com");494MODULE_DESCRIPTION("NAU8821/CS35L41 & NAU8821/MAX98388 audio support");495MODULE_LICENSE("GPL v2");496MODULE_ALIAS("platform:" DRV_NAME);497