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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /sound/soc/intel/avs/boards/dmic.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/intel/avs/boards/dmic.c')
-rw-r--r--sound/soc/intel/avs/boards/dmic.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/sound/soc/intel/avs/boards/dmic.c b/sound/soc/intel/avs/boards/dmic.c
new file mode 100644
index 000000000..90a921638
--- /dev/null
+++ b/sound/soc/intel/avs/boards/dmic.c
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
+//
+// Authors: Cezary Rojewski <cezary.rojewski@intel.com>
+// Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
+//
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+
+SND_SOC_DAILINK_DEF(dmic_pin, DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
+SND_SOC_DAILINK_DEF(dmic_wov_pin, DAILINK_COMP_ARRAY(COMP_CPU("DMIC WoV Pin")));
+SND_SOC_DAILINK_DEF(dmic_codec, DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
+/* Name overridden on probe */
+SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("")));
+
+static struct snd_soc_dai_link card_dai_links[] = {
+ /* Back ends */
+ {
+ .name = "DMIC",
+ .id = 0,
+ .dpcm_capture = 1,
+ .nonatomic = 1,
+ .no_pcm = 1,
+ SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
+ },
+ {
+ .name = "DMIC WoV",
+ .id = 1,
+ .dpcm_capture = 1,
+ .nonatomic = 1,
+ .no_pcm = 1,
+ .ignore_suspend = 1,
+ SND_SOC_DAILINK_REG(dmic_wov_pin, dmic_codec, platform),
+ },
+};
+
+static const struct snd_soc_dapm_widget card_widgets[] = {
+ SND_SOC_DAPM_MIC("SoC DMIC", NULL),
+};
+
+static const struct snd_soc_dapm_route card_routes[] = {
+ {"DMic", NULL, "SoC DMIC"},
+ {"DMIC Rx", NULL, "Capture"},
+ {"DMIC WoV Rx", NULL, "Capture"},
+};
+
+static int avs_dmic_probe(struct platform_device *pdev)
+{
+ struct snd_soc_acpi_mach *mach;
+ struct snd_soc_card *card;
+ struct device *dev = &pdev->dev;
+ int ret;
+
+ mach = dev_get_platdata(dev);
+
+ card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+ if (!card)
+ return -ENOMEM;
+
+ card->name = "avs_dmic";
+ card->dev = dev;
+ card->owner = THIS_MODULE;
+ card->dai_link = card_dai_links;
+ card->num_links = ARRAY_SIZE(card_dai_links);
+ 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;
+
+ ret = snd_soc_fixup_dai_links_platform_name(card, mach->mach_params.platform);
+ if (ret)
+ return ret;
+
+ return devm_snd_soc_register_card(dev, card);
+}
+
+static struct platform_driver avs_dmic_driver = {
+ .probe = avs_dmic_probe,
+ .driver = {
+ .name = "avs_dmic",
+ .pm = &snd_soc_pm_ops,
+ },
+};
+
+module_platform_driver(avs_dmic_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:avs_dmic");