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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /sound/soc/codecs/gtm601.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/codecs/gtm601.c')
-rw-r--r--sound/soc/codecs/gtm601.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/sound/soc/codecs/gtm601.c b/sound/soc/codecs/gtm601.c
new file mode 100644
index 0000000000..c6b1e77ffc
--- /dev/null
+++ b/sound/soc/codecs/gtm601.c
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * This is a simple driver for the GTM601 Voice PCM interface
+ *
+ * Copyright (C) 2015 Goldelico GmbH
+ *
+ * Author: Marek Belisko <marek@goldelico.com>
+ *
+ * Based on wm8727.c driver
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/of_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+static const struct snd_soc_dapm_widget gtm601_dapm_widgets[] = {
+ SND_SOC_DAPM_OUTPUT("AOUT"),
+ SND_SOC_DAPM_INPUT("AIN"),
+};
+
+static const struct snd_soc_dapm_route gtm601_dapm_routes[] = {
+ { "AOUT", NULL, "Playback" },
+ { "Capture", NULL, "AIN" },
+};
+
+static struct snd_soc_dai_driver gtm601_dai = {
+ .name = "gtm601",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = SNDRV_PCM_RATE_8000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = SNDRV_PCM_RATE_8000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+};
+
+static struct snd_soc_dai_driver bm818_dai = {
+ .name = "bm818",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+};
+
+static const struct snd_soc_component_driver soc_component_dev_gtm601 = {
+ .dapm_widgets = gtm601_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(gtm601_dapm_widgets),
+ .dapm_routes = gtm601_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(gtm601_dapm_routes),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+};
+
+static int gtm601_platform_probe(struct platform_device *pdev)
+{
+ const struct snd_soc_dai_driver *dai_driver;
+
+ dai_driver = of_device_get_match_data(&pdev->dev);
+
+ return devm_snd_soc_register_component(&pdev->dev,
+ &soc_component_dev_gtm601,
+ (struct snd_soc_dai_driver *)dai_driver, 1);
+}
+
+static const struct of_device_id gtm601_codec_of_match[] __maybe_unused = {
+ { .compatible = "option,gtm601", .data = (void *)&gtm601_dai },
+ { .compatible = "broadmobi,bm818", .data = (void *)&bm818_dai },
+ {},
+};
+MODULE_DEVICE_TABLE(of, gtm601_codec_of_match);
+
+static struct platform_driver gtm601_codec_driver = {
+ .driver = {
+ .name = "gtm601",
+ .of_match_table = of_match_ptr(gtm601_codec_of_match),
+ },
+ .probe = gtm601_platform_probe,
+};
+
+module_platform_driver(gtm601_codec_driver);
+
+MODULE_DESCRIPTION("ASoC gtm601 driver");
+MODULE_AUTHOR("Marek Belisko <marek@goldelico.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:gtm601");