1 files changed, 46 insertions, 0 deletions
diff --git a/sound/soc/codecs/wcd-common.h b/sound/soc/codecs/wcd-common.h
new file mode 100644
index 000000000000..d5c156e641fc
--- /dev/null
+++ b/sound/soc/codecs/wcd-common.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2025, Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#ifndef __WCD_COMMON_H__
+#define __WCD_COMMON_H__
+
+struct device;
+struct sdw_slave;
+struct sdw_bus_params;
+struct irq_domain;
+enum sdw_slave_status;
+
+#define WCD_MAX_MICBIAS		4
+
+struct wcd_sdw_ch_info {
+	int port_num;
+	unsigned int ch_mask;
+	unsigned int master_ch_mask;
+};
+
+#define WCD_SDW_CH(id, pn, cmask)	\
+	[id] = {			\
+		.port_num = pn,		\
+		.ch_mask = cmask,	\
+		.master_ch_mask = cmask,	\
+	}
+
+struct wcd_common {
+	struct device *dev;
+	int max_bias;
+	u32 micb_mv[WCD_MAX_MICBIAS];
+	u32 micb_vout[WCD_MAX_MICBIAS];
+};
+
+extern const struct component_ops wcd_sdw_component_ops;
+int wcd_get_micb_vout_ctl_val(struct device *dev, u32 micb_mv);
+int wcd_dt_parse_micbias_info(struct wcd_common *common);
+int wcd_update_status(struct sdw_slave *slave, enum sdw_slave_status status);
+int wcd_bus_config(struct sdw_slave *slave, struct sdw_bus_params *params);
+int wcd_interrupt_callback(struct sdw_slave *slave, struct irq_domain *slave_irq,
+		unsigned int wcd_intr_status0, unsigned int wcd_intr_status1,
+		unsigned int wcd_intr_status2);
+
+#endif /* __WCD_COMMON_H__  */