--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+// Copyright(c) 2019 Intel Corporation.
+
+/*
+ * Intel SOF Machine driver for DA7219 + MAX98373 codec
+ */
+
+#include <linux/input.h>
+#include <linux/module.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <linux/platform_device.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include "../../codecs/da7219.h"
+#include "../../codecs/da7219-aad.h"
+#include "hda_dsp_common.h"
+
+#define DIALOG_CODEC_DAI "da7219-hifi"
+#define MAX98373_CODEC_DAI "max98373-aif1"
+#define MAXIM_DEV0_NAME "i2c-MX98373:00"
+#define MAXIM_DEV1_NAME "i2c-MX98373:01"
+
+struct hdmi_pcm {
+ struct list_head head;
+ struct snd_soc_dai *codec_dai;
+ int device;
+};
+
+struct card_private {
+ struct snd_soc_jack headset;
+ struct list_head hdmi_pcm_list;
+ struct snd_soc_jack hdmi[3];
+};
+
+static int platform_clock_control(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ struct snd_soc_dapm_context *dapm = w->dapm;
+ struct snd_soc_card *card = dapm->card;
+ struct snd_soc_dai *codec_dai;
+ int ret = 0;
+
+ codec_dai = snd_soc_card_get_codec_dai(card, DIALOG_CODEC_DAI);
+ if (!codec_dai) {
+ dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n");
+ return -EIO;
+ }
+
+ if (SND_SOC_DAPM_EVENT_OFF(event)) {
+ ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK,
+ 0, 0);
+ if (ret)
+ dev_err(card->dev, "failed to stop PLL: %d\n", ret);
+ } else if (SND_SOC_DAPM_EVENT_ON(event)) {
+ ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL_SRM,
+ 0, DA7219_PLL_FREQ_OUT_98304);
+ if (ret)
+ dev_err(card->dev, "failed to start PLL: %d\n", ret);
+ }
+
+ return ret;
+}
+
+static const struct snd_kcontrol_new controls[] = {
+ SOC_DAPM_PIN_SWITCH("Headphone Jack"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+ SOC_DAPM_PIN_SWITCH("Left Spk"),
+ SOC_DAPM_PIN_SWITCH("Right Spk"),
+};
+
+static const struct snd_soc_dapm_widget widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_SPK("Left Spk", NULL),
+ SND_SOC_DAPM_SPK("Right Spk", NULL),
+ SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
+ platform_clock_control, SND_SOC_DAPM_POST_PMD |
+ SND_SOC_DAPM_PRE_PMU),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+ { "Headphone Jack", NULL, "HPL" },
+ { "Headphone Jack", NULL, "HPR" },
+
+ { "Left Spk", NULL, "Left BE_OUT" },
+ { "Right Spk", NULL, "Right BE_OUT" },
+
+ { "MIC", NULL, "Headset Mic" },
+
+ { "Headphone Jack", NULL, "Platform Clock" },
+ { "Headset Mic", NULL, "Platform Clock" },
+};
+
+static struct snd_soc_jack headset;
+
+static int da7219_codec_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_component *component = rtd->codec_dai->component;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_jack *jack;
+ int ret;
+
+ /* Configure sysclk for codec */
+ ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 24000000,
+ SND_SOC_CLOCK_IN);
+ if (ret) {
+ dev_err(rtd->dev, "can't set codec sysclk configuration\n");
+ return ret;
+ }
+
+ /*
+ * Headset buttons map to the google Reference headset.
+ * These can be configured by userspace.
+ */
+ ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
+ SND_JACK_HEADSET | SND_JACK_BTN_0 |
+ SND_JACK_BTN_1 | SND_JACK_BTN_2 |
+ SND_JACK_BTN_3 | SND_JACK_LINEOUT,
+ &headset, NULL, 0);
+ if (ret) {
+ dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
+ return ret;
+ }
+
+ jack = &headset;
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
+ da7219_aad_jack_det(component, jack);
+
+ return ret;
+}
+
+static int ssp1_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *runtime = substream->private_data;
+ int ret, j;
+
+ for (j = 0; j < runtime->num_codecs; j++) {
+ struct snd_soc_dai *codec_dai = runtime->codec_dais[j];
+
+ if (!strcmp(codec_dai->component->name, MAXIM_DEV0_NAME)) {
+ /* vmon_slot_no = 0 imon_slot_no = 1 for TX slots */
+ ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 3, 4, 16);
+ if (ret < 0) {
+ dev_err(runtime->dev, "DEV0 TDM slot err:%d\n", ret);
+ return ret;
+ }
+ }
+ if (!strcmp(codec_dai->component->name, MAXIM_DEV1_NAME)) {
+ /* vmon_slot_no = 2 imon_slot_no = 3 for TX slots */
+ ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xC, 3, 4, 16);
+ if (ret < 0) {
+ dev_err(runtime->dev, "DEV1 TDM slot err:%d\n", ret);
+ return ret;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static struct snd_soc_ops ssp1_ops = {
+ .hw_params = ssp1_hw_params,
+};
+
+static struct snd_soc_codec_conf max98373_codec_conf[] = {
+ {
+ .dlc = COMP_CODEC_CONF(MAXIM_DEV0_NAME),
+ .name_prefix = "Right",
+ },
+ {
+ .dlc = COMP_CODEC_CONF(MAXIM_DEV1_NAME),
+ .name_prefix = "Left",
+ },
+};
+
+static int hdmi_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_dai *dai = rtd->codec_dai;
+ struct hdmi_pcm *pcm;
+
+ pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
+ if (!pcm)
+ return -ENOMEM;
+
+ pcm->device = dai->id;
+ pcm->codec_dai = dai;
+
+ list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
+
+ return 0;
+}
+
+static int card_late_probe(struct snd_soc_card *card)
+{
+ struct card_private *ctx = snd_soc_card_get_drvdata(card);
+ struct snd_soc_acpi_mach *mach = (card->dev)->platform_data;
+ struct hdmi_pcm *pcm;
+
+ if (mach->mach_params.common_hdmi_codec_drv) {
+ pcm = list_first_entry(&ctx->hdmi_pcm_list, struct hdmi_pcm,
+ head);
+ return hda_dsp_hdmi_build_controls(card,
+ pcm->codec_dai->component);
+ }
+
+ return -EINVAL;
+}
+
+SND_SOC_DAILINK_DEF(ssp0_pin,
+ DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
+SND_SOC_DAILINK_DEF(ssp0_codec,
+ DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00", DIALOG_CODEC_DAI)));
+
+SND_SOC_DAILINK_DEF(ssp1_pin,
+ DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
+SND_SOC_DAILINK_DEF(ssp1_amps,
+ DAILINK_COMP_ARRAY(
+ /* Left */ COMP_CODEC(MAXIM_DEV0_NAME, MAX98373_CODEC_DAI),
+ /* Right */ COMP_CODEC(MAXIM_DEV1_NAME, MAX98373_CODEC_DAI)));
+
+SND_SOC_DAILINK_DEF(dmic_pin,
+ DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
+SND_SOC_DAILINK_DEF(dmic_codec,
+ DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
+
+SND_SOC_DAILINK_DEF(idisp1_pin,
+ DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
+SND_SOC_DAILINK_DEF(idisp1_codec,
+ DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
+
+SND_SOC_DAILINK_DEF(idisp2_pin,
+ DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
+SND_SOC_DAILINK_DEF(idisp2_codec,
+ DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
+
+SND_SOC_DAILINK_DEF(idisp3_pin,
+ DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
+SND_SOC_DAILINK_DEF(idisp3_codec,
+ DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
+
+SND_SOC_DAILINK_DEF(platform, /* subject to be overridden during probe */
+ DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
+
+static struct snd_soc_dai_link dais[] = {
+ /* Back End DAI links */
+ {
+ .name = "SSP1-Codec",
+ .id = 0,
+ .ignore_pmdown_time = 1,
+ .no_pcm = 1,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1, /* IV feedback */
+ .ops = &ssp1_ops,
+ SND_SOC_DAILINK_REG(ssp1_pin, ssp1_amps, platform),
+ },
+ {
+ .name = "SSP0-Codec",
+ .id = 1,
+ .no_pcm = 1,
+ .init = da7219_codec_init,
+ .ignore_pmdown_time = 1,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
+ },
+ {
+ .name = "dmic01",
+ .id = 2,
+ .ignore_suspend = 1,
+ .dpcm_capture = 1,
+ .no_pcm = 1,
+ SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
+ },
+ {
+ .name = "iDisp1",
+ .id = 3,
+ .init = hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
+ },
+ {
+ .name = "iDisp2",
+ .id = 4,
+ .init = hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
+ },
+ {
+ .name = "iDisp3",
+ .id = 5,
+ .init = hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
+ },
+};
+
+static struct snd_soc_card card_da7219_m98373 = {
+ .name = "da7219max",
+ .owner = THIS_MODULE,
+ .dai_link = dais,
+ .num_links = ARRAY_SIZE(dais),
+ .controls = controls,
+ .num_controls = ARRAY_SIZE(controls),
+ .dapm_widgets = widgets,
+ .num_dapm_widgets = ARRAY_SIZE(widgets),
+ .dapm_routes = audio_map,
+ .num_dapm_routes = ARRAY_SIZE(audio_map),
+ .codec_conf = max98373_codec_conf,
+ .num_configs = ARRAY_SIZE(max98373_codec_conf),
+ .fully_routed = true,
+ .late_probe = card_late_probe,
+};
+
+static int audio_probe(struct platform_device *pdev)
+{
+ static struct snd_soc_card *card;
+ struct snd_soc_acpi_mach *mach;
+ struct card_private *ctx;
+ int ret;
+
+ ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
+ if (!ctx)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
+ card = (struct snd_soc_card *)pdev->id_entry->driver_data;
+ card->dev = &pdev->dev;
+
+ mach = (&pdev->dev)->platform_data;
+ ret = snd_soc_fixup_dai_links_platform_name(card,
+ mach->mach_params.platform);
+ if (ret)
+ return ret;
+
+ snd_soc_card_set_drvdata(card, ctx);
+
+ return devm_snd_soc_register_card(&pdev->dev, card);
+}
+
+static const struct platform_device_id board_ids[] = {
+ {
+ .name = "sof_da7219_max98373",
+ .driver_data = (kernel_ulong_t)&card_da7219_m98373,
+ },
+ { }
+};
+
+static struct platform_driver audio = {
+ .probe = audio_probe,
+ .driver = {
+ .name = "sof_da7219_max98373",
+ .pm = &snd_soc_pm_ops,
+ },
+ .id_table = board_ids,
+};
+module_platform_driver(audio)
+
+/* Module information */
+MODULE_DESCRIPTION("ASoC Intel(R) SOF Machine driver");
+MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:sof_da7219_max98373");
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