1/* SPDX-License-Identifier: GPL-2.0 */
  2
  3#ifndef __USB_TYPEC_CLASS__
  4#define __USB_TYPEC_CLASS__
  5
  6#include <linux/device.h>
  7#include <linux/usb/typec.h>
  8
  9struct typec_mux;
 10struct typec_switch;
 11struct usb_device;
 12
 13struct typec_plug {
 14	struct device			dev;
 15	enum typec_plug_index		index;
 16	struct ida			mode_ids;
 17	int				num_altmodes;
 18};
 19
 20struct typec_cable {
 21	struct device			dev;
 22	enum typec_plug_type		type;
 23	struct usb_pd_identity		*identity;
 24	unsigned int			active:1;
 25	u16				pd_revision; /* 0300H = "3.0" */
 26};
 27
 28struct typec_partner {
 29	struct device			dev;
 30	unsigned int			usb_pd:1;
 31	struct usb_pd_identity		*identity;
 32	enum typec_accessory		accessory;
 33	struct ida			mode_ids;
 34	int				num_altmodes;
 35	u16				pd_revision; /* 0300H = "3.0" */
 36	enum usb_pd_svdm_ver		svdm_version;
 37
 38	struct usb_power_delivery	*pd;
 39
 40	void (*attach)(struct typec_partner *partner, struct device *dev);
 41	void (*deattach)(struct typec_partner *partner, struct device *dev);
 42};
 43
 44struct typec_port {
 45	unsigned int			id;
 46	struct device			dev;
 47	struct ida			mode_ids;
 48
 49	struct usb_power_delivery	*pd;
 50
 51	int				prefer_role;
 52	enum typec_data_role		data_role;
 53	enum typec_role			pwr_role;
 54	enum typec_role			vconn_role;
 55	enum typec_pwr_opmode		pwr_opmode;
 56	enum typec_port_type		port_type;
 57	struct mutex			port_type_lock;
 58
 59	enum typec_orientation		orientation;
 60	struct typec_switch		*sw;
 61	struct typec_mux		*mux;
 62	struct typec_retimer		*retimer;
 63
 64	const struct typec_capability	*cap;
 65	const struct typec_operations   *ops;
 66
 67	struct typec_connector		con;
 68
 69	/*
 70	 * REVISIT: Only USB devices for now. If there are others, these need to
 71	 * be converted into a list.
 72	 *
 73	 * NOTE: These may be registered first before the typec_partner, so they
 74	 * will always have to be kept here instead of struct typec_partner.
 75	 */
 76	struct device			*usb2_dev;
 77	struct device			*usb3_dev;
 78};
 79
 80#define to_typec_port(_dev_) container_of(_dev_, struct typec_port, dev)
 81#define to_typec_plug(_dev_) container_of(_dev_, struct typec_plug, dev)
 82#define to_typec_cable(_dev_) container_of(_dev_, struct typec_cable, dev)
 83#define to_typec_partner(_dev_) container_of(_dev_, struct typec_partner, dev)
 84
 85extern const struct device_type typec_partner_dev_type;
 86extern const struct device_type typec_cable_dev_type;
 87extern const struct device_type typec_plug_dev_type;
 88extern const struct device_type typec_port_dev_type;
 89
 90#define is_typec_partner(dev) ((dev)->type == &typec_partner_dev_type)
 91#define is_typec_cable(dev) ((dev)->type == &typec_cable_dev_type)
 92#define is_typec_plug(dev) ((dev)->type == &typec_plug_dev_type)
 93#define is_typec_port(dev) ((dev)->type == &typec_port_dev_type)
 94
 95extern struct class typec_mux_class;
 96extern struct class retimer_class;
 97extern struct class typec_class;
 98
 99#if defined(CONFIG_ACPI)
100int typec_link_ports(struct typec_port *connector);
101void typec_unlink_ports(struct typec_port *connector);
102#else
103static inline int typec_link_ports(struct typec_port *connector) { return 0; }
104static inline void typec_unlink_ports(struct typec_port *connector) { }
105#endif
106
107#endif /* __USB_TYPEC_CLASS__ */