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;
11
12struct typec_plug {
13	struct device			dev;
14	enum typec_plug_index		index;
15	struct ida			mode_ids;
16	int				num_altmodes;
17};
18
19struct typec_cable {
20	struct device			dev;
21	enum typec_plug_type		type;
22	struct usb_pd_identity		*identity;
23	unsigned int			active:1;
24	u16				pd_revision; /* 0300H = "3.0" */
25};
26
27struct typec_partner {
28	struct device			dev;
29	unsigned int			usb_pd:1;
30	struct usb_pd_identity		*identity;
31	enum typec_accessory		accessory;
32	struct ida			mode_ids;
33	int				num_altmodes;
34	u16				pd_revision; /* 0300H = "3.0" */
35	enum usb_pd_svdm_ver		svdm_version;
36};
37
38struct typec_port {
39	unsigned int			id;
40	struct device			dev;
41	struct ida			mode_ids;
42
43	int				prefer_role;
44	enum typec_data_role		data_role;
45	enum typec_role			pwr_role;
46	enum typec_role			vconn_role;
47	enum typec_pwr_opmode		pwr_opmode;
48	enum typec_port_type		port_type;
49	struct mutex			port_type_lock;
50
51	enum typec_orientation		orientation;
52	struct typec_switch		*sw;
53	struct typec_mux		*mux;
54
55	const struct typec_capability	*cap;
56	const struct typec_operations   *ops;
57
58	struct list_head		port_list;
59	struct mutex			port_list_lock; /* Port list lock */
60
61	void				*pld;
62};
63
64#define to_typec_port(_dev_) container_of(_dev_, struct typec_port, dev)
65#define to_typec_plug(_dev_) container_of(_dev_, struct typec_plug, dev)
66#define to_typec_cable(_dev_) container_of(_dev_, struct typec_cable, dev)
67#define to_typec_partner(_dev_) container_of(_dev_, struct typec_partner, dev)
68
69extern const struct device_type typec_partner_dev_type;
70extern const struct device_type typec_cable_dev_type;
71extern const struct device_type typec_plug_dev_type;
72extern const struct device_type typec_port_dev_type;
73
74#define is_typec_partner(dev) ((dev)->type == &typec_partner_dev_type)
75#define is_typec_cable(dev) ((dev)->type == &typec_cable_dev_type)
76#define is_typec_plug(dev) ((dev)->type == &typec_plug_dev_type)
77#define is_typec_port(dev) ((dev)->type == &typec_port_dev_type)
78
79extern struct class typec_mux_class;
80extern struct class typec_class;
81
82int typec_link_ports(struct typec_port *connector);
83void typec_unlink_ports(struct typec_port *connector);
84
85#endif /* __USB_TYPEC_CLASS__ */