--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright(c) 2022-2025 Intel Corporation
+//
+// Authors: Cezary Rojewski <cezary.rojewski@intel.com>
+// Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
+//
+
+#include <linux/module.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include "../../../codecs/rt5640.h"
+#include "../utils.h"
+
+#define AVS_RT5640_MCLK_HZ 19200000
+#define RT5640_CODEC_DAI "rt5640-aif1"
+
+static const struct snd_soc_dapm_widget card_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_MIC("Mic Jack", NULL),
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+};
+
+static const struct snd_soc_dapm_route card_routes[] = {
+ { "Headphone Jack", NULL, "HPOR" },
+ { "Headphone Jack", NULL, "HPOL" },
+ { "IN2P", NULL, "Mic Jack" },
+ { "IN2P", NULL, "MICBIAS1" },
+ { "Speaker", NULL, "SPOLP" },
+ { "Speaker", NULL, "SPOLN" },
+ { "Speaker", NULL, "SPORP" },
+ { "Speaker", NULL, "SPORN" },
+};
+
+static const struct snd_soc_jack_pin card_headset_pins[] = {
+ {
+ .pin = "Headphone Jack",
+ .mask = SND_JACK_HEADPHONE,
+ },
+ {
+ .pin = "Mic Jack",
+ .mask = SND_JACK_MICROPHONE,
+ },
+};
+
+static int avs_rt5640_codec_init(struct snd_soc_pcm_runtime *runtime)
+{
+ struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);
+ struct snd_soc_card *card = runtime->card;
+ struct snd_soc_jack_pin *pins;
+ struct snd_soc_jack *jack;
+ int num_pins, ret;
+
+ jack = snd_soc_card_get_drvdata(card);
+ num_pins = ARRAY_SIZE(card_headset_pins);
+
+ pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL);
+ if (!pins)
+ return -ENOMEM;
+
+ ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET, jack, pins,
+ num_pins);
+ if (ret)
+ return ret;
+
+ snd_soc_component_set_jack(codec_dai->component, jack, NULL);
+ card->dapm.idle_bias_off = true;
+
+ return 0;
+}
+
+static void avs_rt5640_codec_exit(struct snd_soc_pcm_runtime *runtime)
+{
+ struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);
+
+ snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
+}
+
+static int avs_rt5640_be_fixup(struct snd_soc_pcm_runtime *runtime,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_mask *fmask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
+
+ /* Format 24/32 is MSB-aligned for HDAudio and LSB-aligned for I2S. */
+ if (params_format(params) == SNDRV_PCM_FORMAT_S32_LE)
+ snd_mask_set_format(fmask, SNDRV_PCM_FORMAT_S24_LE);
+
+ return 0;
+}
+
+static int avs_rt5640_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *runtime = snd_soc_substream_to_rtd(substream);
+ struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);
+ int ret;
+
+ ret = snd_soc_dai_set_pll(codec_dai, 0, RT5640_PLL1_S_MCLK, AVS_RT5640_MCLK_HZ,
+ params_rate(params) * 512);
+ if (ret < 0) {
+ dev_err(runtime->dev, "Set codec PLL failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1, params_rate(params) * 512,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(runtime->dev, "Set codec SCLK failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = rt5640_sel_asrc_clk_src(codec_dai->component,
+ RT5640_DA_STEREO_FILTER | RT5640_AD_STEREO_FILTER |
+ RT5640_DA_MONO_L_FILTER | RT5640_DA_MONO_R_FILTER |
+ RT5640_AD_MONO_L_FILTER | RT5640_AD_MONO_R_FILTER,
+ RT5640_CLK_SEL_ASRC);
+ if (ret)
+ dev_err(runtime->dev, "Set codec ASRC failed: %d\n", ret);
+
+ return ret;
+}
+
+static const struct snd_soc_ops avs_rt5640_ops = {
+ .hw_params = avs_rt5640_hw_params,
+};
+
+static int avs_create_dai_link(struct device *dev, int ssp_port, int tdm_slot,
+ struct snd_soc_acpi_mach *mach,
+ struct snd_soc_dai_link **dai_link)
+{
+ struct snd_soc_dai_link_component *platform;
+ struct snd_soc_dai_link *dl;
+ u32 uid = 0;
+ int ret;
+
+ if (mach->uid) {
+ ret = kstrtou32(mach->uid, 0, &uid);
+ if (ret)
+ return ret;
+ uid--; /* 0-based indexing. */
+ }
+
+ dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
+ platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
+ if (!dl || !platform)
+ return -ENOMEM;
+
+ dl->name = devm_kasprintf(dev, GFP_KERNEL,
+ AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
+ dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
+ dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
+ if (!dl->name || !dl->cpus || !dl->codecs)
+ return -ENOMEM;
+
+ dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
+ AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
+ dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5640:0%d", uid);
+ dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT5640_CODEC_DAI);
+ if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
+ return -ENOMEM;
+
+ platform->name = dev_name(dev);
+ dl->num_cpus = 1;
+ dl->num_codecs = 1;
+ dl->platforms = platform;
+ dl->num_platforms = 1;
+ dl->id = 0;
+ dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
+ dl->init = avs_rt5640_codec_init;
+ dl->exit = avs_rt5640_codec_exit;
+ dl->be_hw_params_fixup = avs_rt5640_be_fixup;
+ dl->ops = &avs_rt5640_ops;
+ dl->nonatomic = 1;
+ dl->no_pcm = 1;
+
+ *dai_link = dl;
+
+ return 0;
+}
+
+static int avs_card_suspend_pre(struct snd_soc_card *card)
+{
+ struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5640_CODEC_DAI);
+
+ return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
+}
+
+static int avs_card_resume_post(struct snd_soc_card *card)
+{
+ struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5640_CODEC_DAI);
+ struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
+
+ return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
+}
+
+static int avs_rt5640_probe(struct platform_device *pdev)
+{
+ struct snd_soc_dai_link *dai_link;
+ struct device *dev = &pdev->dev;
+ struct snd_soc_acpi_mach *mach;
+ struct snd_soc_card *card;
+ struct snd_soc_jack *jack;
+ int ssp_port, tdm_slot, ret;
+
+ mach = dev_get_platdata(dev);
+
+ ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
+ if (ret)
+ return ret;
+
+ ret = avs_create_dai_link(dev, ssp_port, tdm_slot, mach, &dai_link);
+ if (ret) {
+ dev_err(dev, "Failed to create dai link: %d", ret);
+ return ret;
+ }
+
+ jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);
+ card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+ if (!jack || !card)
+ return -ENOMEM;
+
+ if (mach->uid) {
+ card->name = devm_kasprintf(dev, GFP_KERNEL, "AVS I2S ALC5640.%s", mach->uid);
+ if (!card->name)
+ return -ENOMEM;
+ } else {
+ card->name = "AVS I2S ALC5640";
+ }
+ card->driver_name = "avs_rt5640";
+ card->long_name = card->name;
+ card->dev = dev;
+ card->owner = THIS_MODULE;
+ card->suspend_pre = avs_card_suspend_pre;
+ card->resume_post = avs_card_resume_post;
+ card->dai_link = dai_link;
+ card->num_links = 1;
+ card->dapm_widgets = card_widgets;
+ card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
+ card->dapm_routes = card_routes;
+ card->num_dapm_routes = ARRAY_SIZE(card_routes);
+ card->fully_routed = true;
+ snd_soc_card_set_drvdata(card, jack);
+
+ return devm_snd_soc_register_deferrable_card(dev, card);
+}
+
+static const struct platform_device_id avs_rt5640_driver_ids[] = {
+ {
+ .name = "avs_rt5640",
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(platform, avs_rt5640_driver_ids);
+
+static struct platform_driver avs_rt5640_driver = {
+ .probe = avs_rt5640_probe,
+ .driver = {
+ .name = "avs_rt5640",
+ .pm = &snd_soc_pm_ops,
+ },
+ .id_table = avs_rt5640_driver_ids,
+};
+
+module_platform_driver(avs_rt5640_driver);
+
+MODULE_DESCRIPTION("Intel rt5640 machine driver");
+MODULE_LICENSE("GPL");
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