1 files changed, 106 insertions, 0 deletions
diff --git a/drivers/usb/pd/usbpd.h b/drivers/usb/pd/usbpd.h
new file mode 100644
index 000000000000..9b6053e940e9
--- /dev/null
+++ b/drivers/usb/pd/usbpd.h
@@ -0,0 +1,106 @@
+/* Copyright (c) 2016-2017, Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _USBPD_H
+#define _USBPD_H
+
+#include <linux/device.h>
+
+struct usbpd;
+
+#if IS_ENABLED(CONFIG_USB_PD_POLICY)
+struct usbpd *usbpd_create(struct device *parent);
+void usbpd_destroy(struct usbpd *pd);
+#else
+static inline struct usbpd *usbpd_create(struct device *parent)
+{
+	return ERR_PTR(-ENODEV);
+}
+static inline void usbpd_destroy(struct usbpd *pd) { }
+#endif
+
+enum data_role {
+	DR_NONE = -1,
+	DR_UFP = 0,
+	DR_DFP = 1,
+};
+
+enum power_role {
+	PR_NONE = -1,
+	PR_SINK = 0,
+	PR_SRC = 1,
+};
+
+enum pd_sig_type {
+	HARD_RESET_SIG = 0,
+	CABLE_RESET_SIG,
+};
+
+enum pd_sop_type {
+	SOP_MSG = 0,
+	SOPI_MSG,
+	SOPII_MSG,
+};
+
+enum pd_spec_rev {
+	USBPD_REV_20 = 1,
+	USBPD_REV_30 = 2,
+};
+
+/* enable msg and signal to be received by phy */
+#define FRAME_FILTER_EN_SOP		BIT(0)
+#define FRAME_FILTER_EN_HARD_RESET	BIT(5)
+
+struct pd_phy_params {
+	void		(*signal_cb)(struct usbpd *pd, enum pd_sig_type sig);
+	void		(*msg_rx_cb)(struct usbpd *pd, enum pd_sop_type sop,
+					u8 *buf, size_t len);
+	void		(*shutdown_cb)(struct usbpd *pd);
+	enum data_role	data_role;
+	enum power_role power_role;
+	u8		frame_filter_val;
+};
+
+#if IS_ENABLED(CONFIG_QPNP_USB_PDPHY)
+int pd_phy_open(struct pd_phy_params *params);
+int pd_phy_signal(enum pd_sig_type sig);
+int pd_phy_write(u16 hdr, const u8 *data, size_t data_len,
+		enum pd_sop_type sop);
+int pd_phy_update_roles(enum data_role dr, enum power_role pr);
+void pd_phy_close(void);
+#else
+static inline int pd_phy_open(struct pd_phy_params *params)
+{
+	return -ENODEV;
+}
+
+static inline int pd_phy_signal(enum pd_sig_type type)
+{
+	return -ENODEV;
+}
+
+static inline int pd_phy_write(u16 hdr, const u8 *data, size_t data_len,
+		enum pd_sop_type sop)
+{
+	return -ENODEV;
+}
+
+static inline int pd_phy_update_roles(enum data_role dr, enum power_role pr)
+{
+	return -ENODEV;
+}
+
+static inline void pd_phy_close(void)
+{
+}
+#endif
+#endif /* _USBPD_H */