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 9 struct typec_mux; 10 struct typec_switch; 11 struct usb_device; 12 13 struct typec_plug { 14 struct device dev; 15 enum typec_plug_index index; 16 struct ida mode_ids; 17 int num_altmodes; 18 }; 19 20 struct 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 28 struct 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 44 struct 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 85 extern const struct device_type typec_partner_dev_type; 86 extern const struct device_type typec_cable_dev_type; 87 extern const struct device_type typec_plug_dev_type; 88 extern 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 95 extern struct class typec_mux_class; 96 extern struct class retimer_class; 97 extern struct class typec_class; 98 99 #if defined(CONFIG_ACPI) 100 int typec_link_ports(struct typec_port *connector); 101 void typec_unlink_ports(struct typec_port *connector); 102 #else 103 static inline int typec_link_ports(struct typec_port *connector) { return 0; } 104 static inline void typec_unlink_ports(struct typec_port *connector) { } 105 #endif 106 107 #endif /* __USB_TYPEC_CLASS__ */ 108