1 files changed, 108 insertions, 0 deletions
diff --git a/include/linux/usb/typec_mux.h b/include/linux/usb/typec_mux.h
new file mode 100644
index 000000000..2489a7857
--- /dev/null
+++ b/include/linux/usb/typec_mux.h
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#ifndef __USB_TYPEC_MUX
+#define __USB_TYPEC_MUX
+
+#include <linux/property.h>
+#include <linux/usb/typec.h>
+
+struct device;
+struct typec_mux;
+struct typec_mux_dev;
+struct typec_switch;
+struct typec_switch_dev;
+struct typec_altmode;
+struct fwnode_handle;
+
+typedef int (*typec_switch_set_fn_t)(struct typec_switch_dev *sw,
+				     enum typec_orientation orientation);
+
+struct typec_switch_desc {
+	struct fwnode_handle *fwnode;
+	typec_switch_set_fn_t set;
+	const char *name;
+	void *drvdata;
+};
+
+struct typec_switch *fwnode_typec_switch_get(struct fwnode_handle *fwnode);
+void typec_switch_put(struct typec_switch *sw);
+int typec_switch_set(struct typec_switch *sw,
+		     enum typec_orientation orientation);
+
+static inline struct typec_switch *typec_switch_get(struct device *dev)
+{
+	return fwnode_typec_switch_get(dev_fwnode(dev));
+}
+
+struct typec_switch_dev *
+typec_switch_register(struct device *parent,
+		      const struct typec_switch_desc *desc);
+void typec_switch_unregister(struct typec_switch_dev *sw);
+
+void typec_switch_set_drvdata(struct typec_switch_dev *sw, void *data);
+void *typec_switch_get_drvdata(struct typec_switch_dev *sw);
+
+struct typec_mux_state {
+	struct typec_altmode *alt;
+	unsigned long mode;
+	void *data;
+};
+
+typedef int (*typec_mux_set_fn_t)(struct typec_mux_dev *mux,
+				  struct typec_mux_state *state);
+
+struct typec_mux_desc {
+	struct fwnode_handle *fwnode;
+	typec_mux_set_fn_t set;
+	const char *name;
+	void *drvdata;
+};
+
+#if IS_ENABLED(CONFIG_TYPEC)
+
+struct typec_mux *fwnode_typec_mux_get(struct fwnode_handle *fwnode);
+void typec_mux_put(struct typec_mux *mux);
+int typec_mux_set(struct typec_mux *mux, struct typec_mux_state *state);
+
+struct typec_mux_dev *
+typec_mux_register(struct device *parent, const struct typec_mux_desc *desc);
+void typec_mux_unregister(struct typec_mux_dev *mux);
+
+void typec_mux_set_drvdata(struct typec_mux_dev *mux, void *data);
+void *typec_mux_get_drvdata(struct typec_mux_dev *mux);
+
+#else
+
+static inline struct typec_mux *fwnode_typec_mux_get(struct fwnode_handle *fwnode)
+{
+	return NULL;
+}
+
+static inline void typec_mux_put(struct typec_mux *mux) {}
+
+static inline int typec_mux_set(struct typec_mux *mux, struct typec_mux_state *state)
+{
+	return 0;
+}
+
+static inline struct typec_mux_dev *
+typec_mux_register(struct device *parent, const struct typec_mux_desc *desc)
+{
+	return ERR_PTR(-EOPNOTSUPP);
+}
+static inline void typec_mux_unregister(struct typec_mux_dev *mux) {}
+
+static inline void typec_mux_set_drvdata(struct typec_mux_dev *mux, void *data) {}
+static inline void *typec_mux_get_drvdata(struct typec_mux_dev *mux)
+{
+	return ERR_PTR(-EOPNOTSUPP);
+}
+
+#endif /* CONFIG_TYPEC */
+
+static inline struct typec_mux *typec_mux_get(struct device *dev)
+{
+	return fwnode_typec_mux_get(dev_fwnode(dev));
+}
+
+#endif /* __USB_TYPEC_MUX */