diff options
Diffstat (limited to 'drivers/thunderbolt/tb.h')
| -rw-r--r-- | drivers/thunderbolt/tb.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index 89e38aeea52b..948e7601428f 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -202,6 +202,7 @@ struct tb_switch { * @cap_tmu: Offset of the adapter specific TMU capability (%0 if not present) * @cap_adap: Offset of the adapter specific capability (%0 if not present) * @cap_usb4: Offset to the USB4 port capability (%0 if not present) + * @usb4: Pointer to the USB4 port structure (only if @cap_usb4 is != %0) * @port: Port number on switch * @disabled: Disabled by eeprom or enabled but not implemented * @bonded: true if the port is bonded (two lanes combined as one) @@ -228,6 +229,7 @@ struct tb_port { int cap_tmu; int cap_adap; int cap_usb4; + struct usb4_port *usb4; u8 port; bool disabled; bool bonded; @@ -242,6 +244,16 @@ struct tb_port { }; /** + * struct usb4_port - USB4 port device + * @dev: Device for the port + * @port: Pointer to the lane 0 adapter + */ +struct usb4_port { + struct device dev; + struct tb_port *port; +}; + +/** * tb_retimer: Thunderbolt retimer * @dev: Device for the retimer * @tb: Pointer to the domain the retimer belongs to @@ -645,6 +657,7 @@ struct tb *tb_probe(struct tb_nhi *nhi); extern struct device_type tb_domain_type; extern struct device_type tb_retimer_type; extern struct device_type tb_switch_type; +extern struct device_type usb4_port_device_type; int tb_domain_init(void); void tb_domain_exit(void); @@ -1038,6 +1051,8 @@ struct tb_port *usb4_switch_map_pcie_down(struct tb_switch *sw, const struct tb_port *port); struct tb_port *usb4_switch_map_usb3_down(struct tb_switch *sw, const struct tb_port *port); +int usb4_switch_add_ports(struct tb_switch *sw); +void usb4_switch_remove_ports(struct tb_switch *sw); int usb4_port_unlock(struct tb_port *port); int usb4_port_configure(struct tb_port *port); @@ -1070,6 +1085,21 @@ int usb4_usb3_port_allocate_bandwidth(struct tb_port *port, int *upstream_bw, int usb4_usb3_port_release_bandwidth(struct tb_port *port, int *upstream_bw, int *downstream_bw); +static inline bool tb_is_usb4_port_device(const struct device *dev) +{ + return dev->type == &usb4_port_device_type; +} + +static inline struct usb4_port *tb_to_usb4_port_device(struct device *dev) +{ + if (tb_is_usb4_port_device(dev)) + return container_of(dev, struct usb4_port, dev); + return NULL; +} + +struct usb4_port *usb4_port_device_add(struct tb_port *port); +void usb4_port_device_remove(struct usb4_port *usb4); + /* Keep link controller awake during update */ #define QUIRK_FORCE_POWER_LINK_CONTROLLER BIT(0) |