+++ /dev/null
-From ddf6abc1c78072f8ccad59166be95f0ca5af8ca4 Mon Sep 17 00:00:00 2001
-From: Maso Huang <maso.huang@mediatek.com>
-Date: Thu, 17 Aug 2023 18:13:36 +0800
-Subject: [PATCH 4/9] ASoC: mediatek: mt7986: add machine driver with wm8960
-
-Add support for mt7986 board with wm8960.
-
-Signed-off-by: Maso Huang <maso.huang@mediatek.com>
-Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
-Link: https://lore.kernel.org/r/20230817101338.18782-5-maso.huang@mediatek.com
-Signed-off-by: Mark Brown <broonie@kernel.org>
----
- sound/soc/mediatek/Kconfig | 10 ++
- sound/soc/mediatek/mt7986/Makefile | 1 +
- sound/soc/mediatek/mt7986/mt7986-wm8960.c | 196 ++++++++++++++++++++++
- 3 files changed, 207 insertions(+)
- create mode 100644 sound/soc/mediatek/mt7986/mt7986-wm8960.c
-
---- a/sound/soc/mediatek/Kconfig
-+++ b/sound/soc/mediatek/Kconfig
-@@ -64,6 +64,16 @@ config SND_SOC_MT7986
- Select Y if you have such device.
- If unsure select "N".
-
-+config SND_SOC_MT7986_WM8960
-+ tristate "ASoc Audio driver for MT7986 with WM8960 codec"
-+ depends on SND_SOC_MT7986 && I2C
-+ select SND_SOC_WM8960
-+ help
-+ This adds support for ASoC machine driver for MediaTek MT7986
-+ boards with the WM8960 codecs.
-+ Select Y if you have such device.
-+ If unsure select "N".
-+
- config SND_SOC_MT8173
- tristate "ASoC support for Mediatek MT8173 chip"
- depends on ARCH_MEDIATEK
---- a/sound/soc/mediatek/mt7986/Makefile
-+++ b/sound/soc/mediatek/mt7986/Makefile
-@@ -6,3 +6,4 @@ snd-soc-mt7986-afe-objs := \
- mt7986-dai-etdm.o
-
- obj-$(CONFIG_SND_SOC_MT7986) += snd-soc-mt7986-afe.o
-+obj-$(CONFIG_SND_SOC_MT7986_WM8960) += mt7986-wm8960.o
---- /dev/null
-+++ b/sound/soc/mediatek/mt7986/mt7986-wm8960.c
-@@ -0,0 +1,196 @@
-+// SPDX-License-Identifier: GPL-2.0
-+/*
-+ * mt7986-wm8960.c -- MT7986-WM8960 ALSA SoC machine driver
-+ *
-+ * Copyright (c) 2023 MediaTek Inc.
-+ * Authors: Vic Wu <vic.wu@mediatek.com>
-+ * Maso Huang <maso.huang@mediatek.com>
-+ */
-+
-+#include <linux/module.h>
-+#include <sound/soc.h>
-+
-+#include "mt7986-afe-common.h"
-+
-+struct mt7986_wm8960_priv {
-+ struct device_node *platform_node;
-+ struct device_node *codec_node;
-+};
-+
-+static const struct snd_soc_dapm_widget mt7986_wm8960_widgets[] = {
-+ SND_SOC_DAPM_HP("Headphone", NULL),
-+ SND_SOC_DAPM_MIC("AMIC", NULL),
-+};
-+
-+static const struct snd_kcontrol_new mt7986_wm8960_controls[] = {
-+ SOC_DAPM_PIN_SWITCH("Headphone"),
-+ SOC_DAPM_PIN_SWITCH("AMIC"),
-+};
-+
-+SND_SOC_DAILINK_DEFS(playback,
-+ DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
-+ DAILINK_COMP_ARRAY(COMP_DUMMY()),
-+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
-+
-+SND_SOC_DAILINK_DEFS(capture,
-+ DAILINK_COMP_ARRAY(COMP_CPU("UL1")),
-+ DAILINK_COMP_ARRAY(COMP_DUMMY()),
-+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
-+
-+SND_SOC_DAILINK_DEFS(codec,
-+ DAILINK_COMP_ARRAY(COMP_CPU("ETDM")),
-+ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8960-hifi")),
-+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
-+
-+static struct snd_soc_dai_link mt7986_wm8960_dai_links[] = {
-+ /* FE */
-+ {
-+ .name = "wm8960-playback",
-+ .stream_name = "wm8960-playback",
-+ .trigger = {SND_SOC_DPCM_TRIGGER_POST,
-+ SND_SOC_DPCM_TRIGGER_POST},
-+ .dynamic = 1,
-+ .dpcm_playback = 1,
-+ SND_SOC_DAILINK_REG(playback),
-+ },
-+ {
-+ .name = "wm8960-capture",
-+ .stream_name = "wm8960-capture",
-+ .trigger = {SND_SOC_DPCM_TRIGGER_POST,
-+ SND_SOC_DPCM_TRIGGER_POST},
-+ .dynamic = 1,
-+ .dpcm_capture = 1,
-+ SND_SOC_DAILINK_REG(capture),
-+ },
-+ /* BE */
-+ {
-+ .name = "wm8960-codec",
-+ .no_pcm = 1,
-+ .dai_fmt = SND_SOC_DAIFMT_I2S |
-+ SND_SOC_DAIFMT_NB_NF |
-+ SND_SOC_DAIFMT_CBS_CFS |
-+ SND_SOC_DAIFMT_GATED,
-+ .dpcm_playback = 1,
-+ .dpcm_capture = 1,
-+ SND_SOC_DAILINK_REG(codec),
-+ },
-+};
-+
-+static struct snd_soc_card mt7986_wm8960_card = {
-+ .name = "mt7986-wm8960",
-+ .owner = THIS_MODULE,
-+ .dai_link = mt7986_wm8960_dai_links,
-+ .num_links = ARRAY_SIZE(mt7986_wm8960_dai_links),
-+ .controls = mt7986_wm8960_controls,
-+ .num_controls = ARRAY_SIZE(mt7986_wm8960_controls),
-+ .dapm_widgets = mt7986_wm8960_widgets,
-+ .num_dapm_widgets = ARRAY_SIZE(mt7986_wm8960_widgets),
-+};
-+
-+static int mt7986_wm8960_machine_probe(struct platform_device *pdev)
-+{
-+ struct snd_soc_card *card = &mt7986_wm8960_card;
-+ struct snd_soc_dai_link *dai_link;
-+ struct device_node *platform, *codec;
-+ struct mt7986_wm8960_priv *priv;
-+ int ret, i;
-+
-+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
-+ if (!priv)
-+ return -ENOMEM;
-+
-+ platform = of_get_child_by_name(pdev->dev.of_node, "platform");
-+
-+ if (platform) {
-+ priv->platform_node = of_parse_phandle(platform, "sound-dai", 0);
-+ of_node_put(platform);
-+
-+ if (!priv->platform_node) {
-+ dev_err(&pdev->dev, "Failed to parse platform/sound-dai property\n");
-+ return -EINVAL;
-+ }
-+ } else {
-+ dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
-+ return -EINVAL;
-+ }
-+
-+ for_each_card_prelinks(card, i, dai_link) {
-+ if (dai_link->platforms->name)
-+ continue;
-+ dai_link->platforms->of_node = priv->platform_node;
-+ }
-+
-+ card->dev = &pdev->dev;
-+
-+ codec = of_get_child_by_name(pdev->dev.of_node, "codec");
-+
-+ if (codec) {
-+ priv->codec_node = of_parse_phandle(codec, "sound-dai", 0);
-+ of_node_put(codec);
-+
-+ if (!priv->codec_node) {
-+ of_node_put(priv->platform_node);
-+ dev_err(&pdev->dev, "Failed to parse codec/sound-dai property\n");
-+ return -EINVAL;
-+ }
-+ } else {
-+ of_node_put(priv->platform_node);
-+ dev_err(&pdev->dev, "Property 'codec' missing or invalid\n");
-+ return -EINVAL;
-+ }
-+
-+ for_each_card_prelinks(card, i, dai_link) {
-+ if (dai_link->codecs->name)
-+ continue;
-+ dai_link->codecs->of_node = priv->codec_node;
-+ }
-+
-+ ret = snd_soc_of_parse_audio_routing(card, "audio-routing");
-+ if (ret) {
-+ dev_err(&pdev->dev, "Failed to parse audio-routing: %d\n", ret);
-+ goto err_of_node_put;
-+ }
-+
-+ ret = devm_snd_soc_register_card(&pdev->dev, card);
-+ if (ret) {
-+ dev_err(&pdev->dev, "%s snd_soc_register_card fail: %d\n", __func__, ret);
-+ goto err_of_node_put;
-+ }
-+
-+err_of_node_put:
-+ of_node_put(priv->codec_node);
-+ of_node_put(priv->platform_node);
-+ return ret;
-+}
-+
-+static void mt7986_wm8960_machine_remove(struct platform_device *pdev)
-+{
-+ struct snd_soc_card *card = platform_get_drvdata(pdev);
-+ struct mt7986_wm8960_priv *priv = snd_soc_card_get_drvdata(card);
-+
-+ of_node_put(priv->codec_node);
-+ of_node_put(priv->platform_node);
-+}
-+
-+static const struct of_device_id mt7986_wm8960_machine_dt_match[] = {
-+ {.compatible = "mediatek,mt7986-wm8960-sound"},
-+ { /* sentinel */ }
-+};
-+MODULE_DEVICE_TABLE(of, mt7986_wm8960_machine_dt_match);
-+
-+static struct platform_driver mt7986_wm8960_machine = {
-+ .driver = {
-+ .name = "mt7986-wm8960",
-+ .of_match_table = mt7986_wm8960_machine_dt_match,
-+ },
-+ .probe = mt7986_wm8960_machine_probe,
-+ .remove_new = mt7986_wm8960_machine_remove,
-+};
-+
-+module_platform_driver(mt7986_wm8960_machine);
-+
-+/* Module information */
-+MODULE_DESCRIPTION("MT7986 WM8960 ALSA SoC machine driver");
-+MODULE_AUTHOR("Vic Wu <vic.wu@mediatek.com>");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS("mt7986 wm8960 soc card");
projects / openwrt / staging / 981213.git / blobdiff