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1// SPDX-License-Identifier: GPL-2.0-only2// Copyright(c) 2018-2020 Intel Corporation.3 4/*5 * Intel SOF Machine Driver for Intel platforms with TI PCM512x codec,6 * e.g. Up or Up2 with Hifiberry DAC+ HAT7 */8#include <linux/clk.h>9#include <linux/dmi.h>10#include <linux/i2c.h>11#include <linux/input.h>12#include <linux/module.h>13#include <linux/platform_device.h>14#include <linux/types.h>15#include <sound/core.h>16#include <sound/jack.h>17#include <sound/pcm.h>18#include <sound/pcm_params.h>19#include <sound/soc.h>20#include <sound/soc-acpi.h>21#include "../../codecs/pcm512x.h"22#include "../common/soc-intel-quirks.h"23#include "hda_dsp_common.h"24 25#define NAME_SIZE 3226 27#define SOF_PCM512X_SSP_CODEC(quirk) ((quirk) & GENMASK(3, 0))28#define SOF_PCM512X_SSP_CODEC_MASK (GENMASK(3, 0))29#define SOF_PCM512X_ENABLE_SSP_CAPTURE BIT(4)30#define SOF_PCM512X_ENABLE_DMIC BIT(5)31 32#define IDISP_CODEC_MASK 0x433 34/* Default: SSP5 */35static unsigned long sof_pcm512x_quirk =36 SOF_PCM512X_SSP_CODEC(5) |37 SOF_PCM512X_ENABLE_SSP_CAPTURE |38 SOF_PCM512X_ENABLE_DMIC;39 40static bool is_legacy_cpu;41 42struct sof_hdmi_pcm {43 struct list_head head;44 struct snd_soc_dai *codec_dai;45 int device;46};47 48struct sof_card_private {49 struct list_head hdmi_pcm_list;50 bool idisp_codec;51};52 53static int sof_pcm512x_quirk_cb(const struct dmi_system_id *id)54{55 sof_pcm512x_quirk = (unsigned long)id->driver_data;56 return 1;57}58 59static const struct dmi_system_id sof_pcm512x_quirk_table[] = {60 {61 .callback = sof_pcm512x_quirk_cb,62 .matches = {63 DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),64 DMI_MATCH(DMI_PRODUCT_NAME, "UP-CHT01"),65 },66 .driver_data = (void *)(SOF_PCM512X_SSP_CODEC(2)),67 },68 {}69};70 71static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)72{73 struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);74 struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);75 struct sof_hdmi_pcm *pcm;76 77 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);78 if (!pcm)79 return -ENOMEM;80 81 /* dai_link id is 1:1 mapped to the PCM device */82 pcm->device = rtd->dai_link->id;83 pcm->codec_dai = dai;84 85 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);86 87 return 0;88}89 90static int sof_pcm512x_codec_init(struct snd_soc_pcm_runtime *rtd)91{92 struct snd_soc_component *codec = snd_soc_rtd_to_codec(rtd, 0)->component;93 94 snd_soc_component_update_bits(codec, PCM512x_GPIO_EN, 0x08, 0x08);95 snd_soc_component_update_bits(codec, PCM512x_GPIO_OUTPUT_4, 0x0f, 0x02);96 snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,97 0x08, 0x08);98 99 return 0;100}101 102static int aif1_startup(struct snd_pcm_substream *substream)103{104 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);105 struct snd_soc_component *codec = snd_soc_rtd_to_codec(rtd, 0)->component;106 107 snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,108 0x08, 0x08);109 110 return 0;111}112 113static void aif1_shutdown(struct snd_pcm_substream *substream)114{115 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);116 struct snd_soc_component *codec = snd_soc_rtd_to_codec(rtd, 0)->component;117 118 snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,119 0x08, 0x00);120}121 122static const struct snd_soc_ops sof_pcm512x_ops = {123 .startup = aif1_startup,124 .shutdown = aif1_shutdown,125};126 127static struct snd_soc_dai_link_component platform_component[] = {128 {129 /* name might be overridden during probe */130 .name = "0000:00:1f.3"131 }132};133 134static int sof_card_late_probe(struct snd_soc_card *card)135{136 struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);137 struct sof_hdmi_pcm *pcm;138 139 /* HDMI is not supported by SOF on Baytrail/CherryTrail */140 if (is_legacy_cpu)141 return 0;142 143 if (list_empty(&ctx->hdmi_pcm_list))144 return -EINVAL;145 146 if (!ctx->idisp_codec)147 return 0;148 149 pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, head);150 151 return hda_dsp_hdmi_build_controls(card, pcm->codec_dai->component);152}153 154static const struct snd_kcontrol_new sof_controls[] = {155 SOC_DAPM_PIN_SWITCH("Ext Spk"),156};157 158static const struct snd_soc_dapm_widget sof_widgets[] = {159 SND_SOC_DAPM_SPK("Ext Spk", NULL),160};161 162static const struct snd_soc_dapm_widget dmic_widgets[] = {163 SND_SOC_DAPM_MIC("SoC DMIC", NULL),164};165 166static const struct snd_soc_dapm_route sof_map[] = {167 /* Speaker */168 {"Ext Spk", NULL, "OUTR"},169 {"Ext Spk", NULL, "OUTL"},170};171 172static const struct snd_soc_dapm_route dmic_map[] = {173 /* digital mics */174 {"DMic", NULL, "SoC DMIC"},175};176 177static int dmic_init(struct snd_soc_pcm_runtime *rtd)178{179 struct snd_soc_card *card = rtd->card;180 int ret;181 182 ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,183 ARRAY_SIZE(dmic_widgets));184 if (ret) {185 dev_err(card->dev, "DMic widget addition failed: %d\n", ret);186 /* Don't need to add routes if widget addition failed */187 return ret;188 }189 190 ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,191 ARRAY_SIZE(dmic_map));192 193 if (ret)194 dev_err(card->dev, "DMic map addition failed: %d\n", ret);195 196 return ret;197}198 199/* sof audio machine driver for pcm512x codec */200static struct snd_soc_card sof_audio_card_pcm512x = {201 .name = "pcm512x",202 .owner = THIS_MODULE,203 .controls = sof_controls,204 .num_controls = ARRAY_SIZE(sof_controls),205 .dapm_widgets = sof_widgets,206 .num_dapm_widgets = ARRAY_SIZE(sof_widgets),207 .dapm_routes = sof_map,208 .num_dapm_routes = ARRAY_SIZE(sof_map),209 .fully_routed = true,210 .late_probe = sof_card_late_probe,211};212 213SND_SOC_DAILINK_DEF(pcm512x_component,214 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-104C5122:00", "pcm512x-hifi")));215SND_SOC_DAILINK_DEF(dmic_component,216 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));217 218static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,219 int ssp_codec,220 int dmic_be_num,221 int hdmi_num,222 bool idisp_codec)223{224 struct snd_soc_dai_link_component *idisp_components;225 struct snd_soc_dai_link_component *cpus;226 struct snd_soc_dai_link *links;227 int i, id = 0;228 229 links = devm_kcalloc(dev, sof_audio_card_pcm512x.num_links,230 sizeof(struct snd_soc_dai_link), GFP_KERNEL);231 cpus = devm_kcalloc(dev, sof_audio_card_pcm512x.num_links,232 sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);233 if (!links || !cpus)234 goto devm_err;235 236 /* codec SSP */237 links[id].name = devm_kasprintf(dev, GFP_KERNEL,238 "SSP%d-Codec", ssp_codec);239 if (!links[id].name)240 goto devm_err;241 242 links[id].id = id;243 links[id].codecs = pcm512x_component;244 links[id].num_codecs = ARRAY_SIZE(pcm512x_component);245 links[id].platforms = platform_component;246 links[id].num_platforms = ARRAY_SIZE(platform_component);247 links[id].init = sof_pcm512x_codec_init;248 links[id].ops = &sof_pcm512x_ops;249 links[id].dpcm_playback = 1;250 /*251 * capture only supported with specific versions of the Hifiberry DAC+252 */253 if (sof_pcm512x_quirk & SOF_PCM512X_ENABLE_SSP_CAPTURE)254 links[id].dpcm_capture = 1;255 links[id].no_pcm = 1;256 links[id].cpus = &cpus[id];257 links[id].num_cpus = 1;258 if (is_legacy_cpu) {259 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,260 "ssp%d-port",261 ssp_codec);262 if (!links[id].cpus->dai_name)263 goto devm_err;264 } else {265 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,266 "SSP%d Pin",267 ssp_codec);268 if (!links[id].cpus->dai_name)269 goto devm_err;270 }271 id++;272 273 /* dmic */274 if (dmic_be_num > 0) {275 /* at least we have dmic01 */276 links[id].name = "dmic01";277 links[id].cpus = &cpus[id];278 links[id].cpus->dai_name = "DMIC01 Pin";279 links[id].init = dmic_init;280 if (dmic_be_num > 1) {281 /* set up 2 BE links at most */282 links[id + 1].name = "dmic16k";283 links[id + 1].cpus = &cpus[id + 1];284 links[id + 1].cpus->dai_name = "DMIC16k Pin";285 dmic_be_num = 2;286 }287 }288 289 for (i = 0; i < dmic_be_num; i++) {290 links[id].id = id;291 links[id].num_cpus = 1;292 links[id].codecs = dmic_component;293 links[id].num_codecs = ARRAY_SIZE(dmic_component);294 links[id].platforms = platform_component;295 links[id].num_platforms = ARRAY_SIZE(platform_component);296 links[id].ignore_suspend = 1;297 links[id].dpcm_capture = 1;298 links[id].no_pcm = 1;299 id++;300 }301 302 /* HDMI */303 if (hdmi_num > 0) {304 idisp_components = devm_kcalloc(dev, hdmi_num,305 sizeof(struct snd_soc_dai_link_component),306 GFP_KERNEL);307 if (!idisp_components)308 goto devm_err;309 }310 for (i = 1; i <= hdmi_num; i++) {311 links[id].name = devm_kasprintf(dev, GFP_KERNEL,312 "iDisp%d", i);313 if (!links[id].name)314 goto devm_err;315 316 links[id].id = id;317 links[id].cpus = &cpus[id];318 links[id].num_cpus = 1;319 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,320 "iDisp%d Pin", i);321 if (!links[id].cpus->dai_name)322 goto devm_err;323 324 /*325 * topology cannot be loaded if codec is missing, so326 * use the dummy codec if needed327 */328 if (idisp_codec) {329 idisp_components[i - 1].name = "ehdaudio0D2";330 idisp_components[i - 1].dai_name =331 devm_kasprintf(dev, GFP_KERNEL,332 "intel-hdmi-hifi%d", i);333 } else {334 idisp_components[i - 1] = snd_soc_dummy_dlc;335 }336 if (!idisp_components[i - 1].dai_name)337 goto devm_err;338 339 links[id].codecs = &idisp_components[i - 1];340 links[id].num_codecs = 1;341 links[id].platforms = platform_component;342 links[id].num_platforms = ARRAY_SIZE(platform_component);343 links[id].init = sof_hdmi_init;344 links[id].dpcm_playback = 1;345 links[id].no_pcm = 1;346 id++;347 }348 349 return links;350devm_err:351 return NULL;352}353 354static int sof_audio_probe(struct platform_device *pdev)355{356 struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;357 struct snd_soc_dai_link *dai_links;358 struct sof_card_private *ctx;359 int dmic_be_num, hdmi_num;360 int ret, ssp_codec;361 362 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);363 if (!ctx)364 return -ENOMEM;365 366 hdmi_num = 0;367 if (soc_intel_is_byt() || soc_intel_is_cht()) {368 is_legacy_cpu = true;369 dmic_be_num = 0;370 /* default quirk for legacy cpu */371 sof_pcm512x_quirk = SOF_PCM512X_SSP_CODEC(2);372 } else {373 dmic_be_num = 2;374 if (mach->mach_params.codec_mask & IDISP_CODEC_MASK)375 ctx->idisp_codec = true;376 377 /* links are always present in topology */378 hdmi_num = 3;379 }380 381 dmi_check_system(sof_pcm512x_quirk_table);382 383 dev_dbg(&pdev->dev, "sof_pcm512x_quirk = %lx\n", sof_pcm512x_quirk);384 385 ssp_codec = sof_pcm512x_quirk & SOF_PCM512X_SSP_CODEC_MASK;386 387 if (!(sof_pcm512x_quirk & SOF_PCM512X_ENABLE_DMIC))388 dmic_be_num = 0;389 390 /* compute number of dai links */391 sof_audio_card_pcm512x.num_links = 1 + dmic_be_num + hdmi_num;392 393 dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec,394 dmic_be_num, hdmi_num,395 ctx->idisp_codec);396 if (!dai_links)397 return -ENOMEM;398 399 sof_audio_card_pcm512x.dai_link = dai_links;400 401 INIT_LIST_HEAD(&ctx->hdmi_pcm_list);402 403 sof_audio_card_pcm512x.dev = &pdev->dev;404 405 /* set platform name for each dailink */406 ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_pcm512x,407 mach->mach_params.platform);408 if (ret)409 return ret;410 411 snd_soc_card_set_drvdata(&sof_audio_card_pcm512x, ctx);412 413 return devm_snd_soc_register_card(&pdev->dev,414 &sof_audio_card_pcm512x);415}416 417static void sof_pcm512x_remove(struct platform_device *pdev)418{419 struct snd_soc_card *card = platform_get_drvdata(pdev);420 struct snd_soc_component *component;421 422 for_each_card_components(card, component) {423 if (!strcmp(component->name, pcm512x_component[0].name)) {424 snd_soc_component_set_jack(component, NULL, NULL);425 break;426 }427 }428}429 430static struct platform_driver sof_audio = {431 .probe = sof_audio_probe,432 .remove = sof_pcm512x_remove,433 .driver = {434 .name = "sof_pcm512x",435 .pm = &snd_soc_pm_ops,436 },437};438module_platform_driver(sof_audio)439 440MODULE_DESCRIPTION("ASoC Intel(R) SOF + PCM512x Machine driver");441MODULE_AUTHOR("Pierre-Louis Bossart");442MODULE_LICENSE("GPL v2");443MODULE_ALIAS("platform:sof_pcm512x");444MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);445