diff options
Diffstat (limited to 'drivers/thunderbolt/tb.h')
| -rw-r--r-- | drivers/thunderbolt/tb.h | 162 |
1 files changed, 125 insertions, 37 deletions
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index a413d55b5f8b..a9995e21b916 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -125,6 +125,7 @@ struct tb_switch_tmu { * @rpm: The switch supports runtime PM * @authorized: Whether the switch is authorized by user or policy * @security_level: Switch supported security level + * @debugfs_dir: Pointer to the debugfs structure * @key: Contains the key used to challenge the device or %NULL if not * supported. Size of the key is %TB_SWITCH_KEY_SIZE. * @connection_id: Connection ID used with ICM messaging @@ -166,6 +167,7 @@ struct tb_switch { bool rpm; unsigned int authorized; enum tb_security_level security_level; + struct dentry *debugfs_dir; u8 *key; u8 connection_id; u8 connection_key; @@ -186,7 +188,7 @@ struct tb_switch { * @cap_adap: Offset of the adapter specific capability (%0 if not present) * @cap_usb4: Offset to the USB4 port capability (%0 if not present) * @port: Port number on switch - * @disabled: Disabled by eeprom + * @disabled: Disabled by eeprom or enabled but not implemented * @bonded: true if the port is bonded (two lanes combined as one) * @dual_link_port: If the switch is connected using two ports, points * to the other port. @@ -333,6 +335,13 @@ struct tb_path { */ #define TB_PATH_MAX_HOPS (7 * 2) +/* Possible wake types */ +#define TB_WAKE_ON_CONNECT BIT(0) +#define TB_WAKE_ON_DISCONNECT BIT(1) +#define TB_WAKE_ON_USB4 BIT(2) +#define TB_WAKE_ON_USB3 BIT(3) +#define TB_WAKE_ON_PCIE BIT(4) + /** * struct tb_cm_ops - Connection manager specific operations vector * @driver_ready: Called right after control channel is started. Used by @@ -342,6 +351,8 @@ struct tb_path { * @suspend_noirq: Connection manager specific suspend_noirq * @resume_noirq: Connection manager specific resume_noirq * @suspend: Connection manager specific suspend + * @freeze_noirq: Connection manager specific freeze_noirq + * @thaw_noirq: Connection manager specific thaw_noirq * @complete: Connection manager specific complete * @runtime_suspend: Connection manager specific runtime_suspend * @runtime_resume: Connection manager specific runtime_resume @@ -364,6 +375,8 @@ struct tb_cm_ops { int (*suspend_noirq)(struct tb *tb); int (*resume_noirq)(struct tb *tb); int (*suspend)(struct tb *tb); + int (*freeze_noirq)(struct tb *tb); + int (*thaw_noirq)(struct tb *tb); void (*complete)(struct tb *tb); int (*runtime_suspend)(struct tb *tb); int (*runtime_resume)(struct tb *tb); @@ -457,6 +470,11 @@ static inline bool tb_port_is_null(const struct tb_port *port) return port && port->port && port->config.type == TB_TYPE_PORT; } +static inline bool tb_port_is_nhi(const struct tb_port *port) +{ + return port && port->config.type == TB_TYPE_NHI; +} + static inline bool tb_port_is_pcie_down(const struct tb_port *port) { return port && port->config.type == TB_TYPE_PCIE_DOWN; @@ -593,6 +611,8 @@ void tb_domain_remove(struct tb *tb); int tb_domain_suspend_noirq(struct tb *tb); int tb_domain_resume_noirq(struct tb *tb); int tb_domain_suspend(struct tb *tb); +int tb_domain_freeze_noirq(struct tb *tb); +int tb_domain_thaw_noirq(struct tb *tb); void tb_domain_complete(struct tb *tb); int tb_domain_runtime_suspend(struct tb *tb); int tb_domain_runtime_resume(struct tb *tb); @@ -632,9 +652,9 @@ struct tb_switch *tb_switch_alloc_safe_mode(struct tb *tb, int tb_switch_configure(struct tb_switch *sw); int tb_switch_add(struct tb_switch *sw); void tb_switch_remove(struct tb_switch *sw); -void tb_switch_suspend(struct tb_switch *sw); +void tb_switch_suspend(struct tb_switch *sw, bool runtime); int tb_switch_resume(struct tb_switch *sw); -int tb_switch_reset(struct tb *tb, u64 route); +int tb_switch_reset(struct tb_switch *sw); void tb_sw_set_unplugged(struct tb_switch *sw); struct tb_port *tb_switch_find_port(struct tb_switch *sw, enum tb_port_type type); @@ -685,59 +705,89 @@ static inline struct tb_switch *tb_switch_parent(struct tb_switch *sw) static inline bool tb_switch_is_light_ridge(const struct tb_switch *sw) { - return sw->config.device_id == PCI_DEVICE_ID_INTEL_LIGHT_RIDGE; + return sw->config.vendor_id == PCI_VENDOR_ID_INTEL && + sw->config.device_id == PCI_DEVICE_ID_INTEL_LIGHT_RIDGE; } static inline bool tb_switch_is_eagle_ridge(const struct tb_switch *sw) { - return sw->config.device_id == PCI_DEVICE_ID_INTEL_EAGLE_RIDGE; + return sw->config.vendor_id == PCI_VENDOR_ID_INTEL && + sw->config.device_id == PCI_DEVICE_ID_INTEL_EAGLE_RIDGE; } static inline bool tb_switch_is_cactus_ridge(const struct tb_switch *sw) { - switch (sw->config.device_id) { - case PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_2C: - case PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C: - return true; - default: - return false; + if (sw->config.vendor_id == PCI_VENDOR_ID_INTEL) { + switch (sw->config.device_id) { + case PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_2C: + case PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C: + return true; + } } + return false; } static inline bool tb_switch_is_falcon_ridge(const struct tb_switch *sw) { - switch (sw->config.device_id) { - case PCI_DEVICE_ID_INTEL_FALCON_RIDGE_2C_BRIDGE: - case PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_BRIDGE: - return true; - default: - return false; + if (sw->config.vendor_id == PCI_VENDOR_ID_INTEL) { + switch (sw->config.device_id) { + case PCI_DEVICE_ID_INTEL_FALCON_RIDGE_2C_BRIDGE: + case PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_BRIDGE: + return true; + } } + return false; } static inline bool tb_switch_is_alpine_ridge(const struct tb_switch *sw) { - switch (sw->config.device_id) { - case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_2C_BRIDGE: - case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_LP_BRIDGE: - case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_4C_BRIDGE: - case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_2C_BRIDGE: - return true; - default: - return false; + if (sw->config.vendor_id == PCI_VENDOR_ID_INTEL) { + switch (sw->config.device_id) { + case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_2C_BRIDGE: + case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_LP_BRIDGE: + case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_4C_BRIDGE: + case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_2C_BRIDGE: + return true; + } } + return false; } static inline bool tb_switch_is_titan_ridge(const struct tb_switch *sw) { - switch (sw->config.device_id) { - case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_BRIDGE: - case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_BRIDGE: - case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_BRIDGE: - return true; - default: - return false; + if (sw->config.vendor_id == PCI_VENDOR_ID_INTEL) { + switch (sw->config.device_id) { + case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_BRIDGE: + case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_BRIDGE: + case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_BRIDGE: + return true; + } + } + return false; +} + +static inline bool tb_switch_is_ice_lake(const struct tb_switch *sw) +{ + if (sw->config.vendor_id == PCI_VENDOR_ID_INTEL) { + switch (sw->config.device_id) { + case PCI_DEVICE_ID_INTEL_ICL_NHI0: + case PCI_DEVICE_ID_INTEL_ICL_NHI1: + return true; + } + } + return false; +} + +static inline bool tb_switch_is_tiger_lake(const struct tb_switch *sw) +{ + if (sw->config.vendor_id == PCI_VENDOR_ID_INTEL) { + switch (sw->config.device_id) { + case PCI_DEVICE_ID_INTEL_TGL_NHI0: + case PCI_DEVICE_ID_INTEL_TGL_NHI1: + return true; + } } + return false; } /** @@ -767,6 +817,8 @@ static inline bool tb_switch_is_icm(const struct tb_switch *sw) int tb_switch_lane_bonding_enable(struct tb_switch *sw); void tb_switch_lane_bonding_disable(struct tb_switch *sw); +int tb_switch_configure_link(struct tb_switch *sw); +void tb_switch_unconfigure_link(struct tb_switch *sw); bool tb_switch_query_dp_resource(struct tb_switch *sw, struct tb_port *in); int tb_switch_alloc_dp_resource(struct tb_switch *sw, struct tb_port *in); @@ -788,6 +840,8 @@ int tb_port_add_nfc_credits(struct tb_port *port, int credits); int tb_port_set_initial_credits(struct tb_port *port, u32 credits); int tb_port_clear_counter(struct tb_port *port, int counter); int tb_port_unlock(struct tb_port *port); +int tb_port_enable(struct tb_port *port); +int tb_port_disable(struct tb_port *port); int tb_port_alloc_in_hopid(struct tb_port *port, int hopid, int max_hopid); void tb_port_release_in_hopid(struct tb_port *port, int hopid); int tb_port_alloc_out_hopid(struct tb_port *port, int hopid, int max_hopid); @@ -811,7 +865,9 @@ int tb_port_get_link_speed(struct tb_port *port); int tb_switch_find_vse_cap(struct tb_switch *sw, enum tb_switch_vse_cap vsec); int tb_switch_find_cap(struct tb_switch *sw, enum tb_switch_cap cap); +int tb_switch_next_cap(struct tb_switch *sw, unsigned int offset); int tb_port_find_cap(struct tb_port *port, enum tb_port_cap cap); +int tb_port_next_cap(struct tb_port *port, unsigned int offset); bool tb_port_is_enabled(struct tb_port *port); bool tb_usb3_port_is_enabled(struct tb_port *port); @@ -844,8 +900,11 @@ int tb_drom_read(struct tb_switch *sw); int tb_drom_read_uid_only(struct tb_switch *sw, u64 *uid); int tb_lc_read_uuid(struct tb_switch *sw, u32 *uuid); -int tb_lc_configure_link(struct tb_switch *sw); -void tb_lc_unconfigure_link(struct tb_switch *sw); +int tb_lc_configure_port(struct tb_port *port); +void tb_lc_unconfigure_port(struct tb_port *port); +int tb_lc_configure_xdomain(struct tb_port *port); +void tb_lc_unconfigure_xdomain(struct tb_port *port); +int tb_lc_set_wake(struct tb_switch *sw, unsigned int flags); int tb_lc_set_sleep(struct tb_switch *sw); bool tb_lc_lane_bonding_possible(struct tb_switch *sw); bool tb_lc_dp_sink_query(struct tb_switch *sw, struct tb_port *in); @@ -900,9 +959,8 @@ int usb4_switch_setup(struct tb_switch *sw); int usb4_switch_read_uid(struct tb_switch *sw, u64 *uid); int usb4_switch_drom_read(struct tb_switch *sw, unsigned int address, void *buf, size_t size); -int usb4_switch_configure_link(struct tb_switch *sw); -void usb4_switch_unconfigure_link(struct tb_switch *sw); bool usb4_switch_lane_bonding_possible(struct tb_switch *sw); +int usb4_switch_set_wake(struct tb_switch *sw, unsigned int flags); int usb4_switch_set_sleep(struct tb_switch *sw); int usb4_switch_nvm_sector_size(struct tb_switch *sw); int usb4_switch_nvm_read(struct tb_switch *sw, unsigned int address, void *buf, @@ -919,6 +977,10 @@ struct tb_port *usb4_switch_map_usb3_down(struct tb_switch *sw, const struct tb_port *port); int usb4_port_unlock(struct tb_port *port); +int usb4_port_configure(struct tb_port *port); +void usb4_port_unconfigure(struct tb_port *port); +int usb4_port_configure_xdomain(struct tb_port *port); +void usb4_port_unconfigure_xdomain(struct tb_port *port); int usb4_port_enumerate_retimers(struct tb_port *port); int usb4_port_retimer_read(struct tb_port *port, u8 index, u8 reg, void *buf, @@ -945,9 +1007,35 @@ 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); -/* keep link controller awake during update */ +/* Keep link controller awake during update */ #define QUIRK_FORCE_POWER_LINK_CONTROLLER BIT(0) void tb_check_quirks(struct tb_switch *sw); +#ifdef CONFIG_ACPI +void tb_acpi_add_links(struct tb_nhi *nhi); +#else +static inline void tb_acpi_add_links(struct tb_nhi *nhi) { } +#endif + +#ifdef CONFIG_DEBUG_FS +void tb_debugfs_init(void); +void tb_debugfs_exit(void); +void tb_switch_debugfs_init(struct tb_switch *sw); +void tb_switch_debugfs_remove(struct tb_switch *sw); +#else +static inline void tb_debugfs_init(void) { } +static inline void tb_debugfs_exit(void) { } +static inline void tb_switch_debugfs_init(struct tb_switch *sw) { } +static inline void tb_switch_debugfs_remove(struct tb_switch *sw) { } +#endif + +#ifdef CONFIG_USB4_KUNIT_TEST +int tb_test_init(void); +void tb_test_exit(void); +#else +static inline int tb_test_init(void) { return 0; } +static inline void tb_test_exit(void) { } +#endif + #endif |