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 enum usb_pd_svdm_ver svdm_version; 27 }; 28 29 struct typec_partner { 30 struct device dev; 31 unsigned int usb_pd:1; 32 struct usb_pd_identity *identity; 33 enum typec_accessory accessory; 34 struct ida mode_ids; 35 int num_altmodes; 36 u16 pd_revision; /* 0300H = "3.0" */ 37 enum usb_pd_svdm_ver svdm_version; 38 39 struct usb_power_delivery *pd; 40 41 void (*attach)(struct typec_partner *partner, struct device *dev); 42 void (*deattach)(struct typec_partner *partner, struct device *dev); 43 }; 44 45 struct typec_port { 46 unsigned int id; 47 struct device dev; 48 struct ida mode_ids; 49 50 struct usb_power_delivery *pd; 51 52 int prefer_role; 53 enum typec_data_role data_role; 54 enum typec_role pwr_role; 55 enum typec_role vconn_role; 56 enum typec_pwr_opmode pwr_opmode; 57 enum typec_port_type port_type; 58 struct mutex port_type_lock; 59 60 enum typec_orientation orientation; 61 struct typec_switch *sw; 62 struct typec_mux *mux; 63 struct typec_retimer *retimer; 64 65 const struct typec_capability *cap; 66 const struct typec_operations *ops; 67 68 struct typec_connector con; 69 70 /* 71 * REVISIT: Only USB devices for now. If there are others, these need to 72 * be converted into a list. 73 * 74 * NOTE: These may be registered first before the typec_partner, so they 75 * will always have to be kept here instead of struct typec_partner. 76 */ 77 struct device *usb2_dev; 78 struct device *usb3_dev; 79 }; 80 81 #define to_typec_port(_dev_) container_of(_dev_, struct typec_port, dev) 82 #define to_typec_plug(_dev_) container_of(_dev_, struct typec_plug, dev) 83 #define to_typec_cable(_dev_) container_of(_dev_, struct typec_cable, dev) 84 #define to_typec_partner(_dev_) container_of(_dev_, struct typec_partner, dev) 85 86 extern const struct device_type typec_partner_dev_type; 87 extern const struct device_type typec_cable_dev_type; 88 extern const struct device_type typec_plug_dev_type; 89 extern const struct device_type typec_port_dev_type; 90 91 #define is_typec_partner(dev) ((dev)->type == &typec_partner_dev_type) 92 #define is_typec_cable(dev) ((dev)->type == &typec_cable_dev_type) 93 #define is_typec_plug(dev) ((dev)->type == &typec_plug_dev_type) 94 #define is_typec_port(dev) ((dev)->type == &typec_port_dev_type) 95 96 extern const struct class typec_mux_class; 97 extern const struct class retimer_class; 98 extern const struct class typec_class; 99 100 #if defined(CONFIG_ACPI) 101 int typec_link_ports(struct typec_port *connector); 102 void typec_unlink_ports(struct typec_port *connector); 103 #else 104 static inline int typec_link_ports(struct typec_port *connector) { return 0; } 105 static inline void typec_unlink_ports(struct typec_port *connector) { } 106 #endif 107 108 #endif /* __USB_TYPEC_CLASS__ */ 109