1 files changed, 56 insertions, 0 deletions
diff --git a/sound/soc/mediatek/common/mtk-soundcard-driver.h b/sound/soc/mediatek/common/mtk-soundcard-driver.h
new file mode 100644
index 000000000000..f6c275b54025
--- /dev/null
+++ b/sound/soc/mediatek/common/mtk-soundcard-driver.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * mtk-soundcard-driver.h  --  MediaTek soundcard driver common definition
+ *
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Trevor Wu <trevor.wu@mediatek.com>
+ */
+
+#ifndef _MTK_SOUNDCARD_DRIVER_H_
+#define _MTK_SOUNDCARD_DRIVER_H_
+
+struct mtk_sof_priv;
+struct mtk_soc_card_data;
+struct snd_pcm_hw_constraint_list;
+
+enum mtk_pcm_constraint_type {
+	MTK_CONSTRAINT_PLAYBACK,
+	MTK_CONSTRAINT_CAPTURE,
+	MTK_CONSTRAINT_HDMIDP,
+	MTK_CONSTRAINT_MAX
+};
+
+struct mtk_pcm_constraints_data {
+	const struct snd_pcm_hw_constraint_list *channels;
+	const struct snd_pcm_hw_constraint_list *rates;
+};
+
+struct mtk_platform_card_data {
+	struct snd_soc_card *card;
+	struct snd_soc_jack *jacks;
+	const struct mtk_pcm_constraints_data *pcm_constraints;
+	u8 num_jacks;
+	u8 num_pcm_constraints;
+	u8 flags;
+};
+
+struct mtk_soundcard_pdata {
+	const char *card_name;
+	struct mtk_platform_card_data *card_data;
+	const struct mtk_sof_priv *sof_priv;
+
+	int (*soc_probe)(struct mtk_soc_card_data *card_data, bool legacy);
+};
+
+/* Common playback/capture card startup ops */
+extern const struct snd_soc_ops mtk_soundcard_common_playback_ops;
+extern const struct snd_soc_ops mtk_soundcard_common_capture_ops;
+
+/* Exported for custom/extended soundcard startup ops */
+int mtk_soundcard_startup(struct snd_pcm_substream *substream,
+			  enum mtk_pcm_constraint_type ctype);
+
+int parse_dai_link_info(struct snd_soc_card *card);
+void clean_card_reference(struct snd_soc_card *card);
+int mtk_soundcard_common_probe(struct platform_device *pdev);
+#endif