diff options
Diffstat (limited to 'drivers/usb/core/usb.h')
| -rw-r--r-- | drivers/usb/core/usb.h | 108 |
1 files changed, 64 insertions, 44 deletions
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 823857767a16..a9b37aeb515b 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -1,8 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Released under the GPLv2 only. + */ + #include <linux/pm.h> #include <linux/acpi.h> struct usb_hub_descriptor; -struct dev_state; +struct usb_dev_state; /* Functions local to drivers/usb/core/ */ @@ -10,6 +15,7 @@ extern int usb_create_sysfs_dev_files(struct usb_device *dev); extern void usb_remove_sysfs_dev_files(struct usb_device *dev); extern void usb_create_sysfs_intf_files(struct usb_interface *intf); extern void usb_remove_sysfs_intf_files(struct usb_interface *intf); +extern int usb_update_wireless_status_attr(struct usb_interface *intf); extern int usb_create_ep_devs(struct device *parent, struct usb_host_endpoint *endpoint, struct usb_device *udev); @@ -27,48 +33,62 @@ extern void usb_release_interface_cache(struct kref *ref); extern void usb_disable_device(struct usb_device *dev, int skip_ep0); extern int usb_deauthorize_device(struct usb_device *); extern int usb_authorize_device(struct usb_device *); +extern void usb_deauthorize_interface(struct usb_interface *); +extern void usb_authorize_interface(struct usb_interface *); extern void usb_detect_quirks(struct usb_device *udev); extern void usb_detect_interface_quirks(struct usb_device *udev); +extern void usb_release_quirk_list(void); +extern bool usb_endpoint_is_ignored(struct usb_device *udev, + struct usb_host_interface *intf, + struct usb_endpoint_descriptor *epd); extern int usb_remove_device(struct usb_device *udev); -extern int usb_get_device_descriptor(struct usb_device *dev, - unsigned int size); +extern struct usb_device_descriptor *usb_get_device_descriptor( + struct usb_device *udev); +extern int usb_set_isoch_delay(struct usb_device *dev); extern int usb_get_bos_descriptor(struct usb_device *dev); extern void usb_release_bos_descriptor(struct usb_device *dev); -extern char *usb_cache_string(struct usb_device *udev, int index); extern int usb_set_configuration(struct usb_device *dev, int configuration); extern int usb_choose_configuration(struct usb_device *udev); +extern int usb_generic_driver_probe(struct usb_device *udev); +extern void usb_generic_driver_disconnect(struct usb_device *udev); +extern int usb_generic_driver_suspend(struct usb_device *udev, + pm_message_t msg); +extern int usb_generic_driver_resume(struct usb_device *udev, + pm_message_t msg); static inline unsigned usb_get_max_power(struct usb_device *udev, struct usb_host_config *c) { /* SuperSpeed power is in 8 mA units; others are in 2 mA units */ - unsigned mul = (udev->speed == USB_SPEED_SUPER ? 8 : 2); + unsigned mul = (udev->speed >= USB_SPEED_SUPER ? 8 : 2); return c->desc.bMaxPower * mul; } -extern void usb_kick_khubd(struct usb_device *dev); +extern void usb_kick_hub_wq(struct usb_device *dev); extern int usb_match_one_id_intf(struct usb_device *dev, struct usb_host_interface *intf, const struct usb_device_id *id); extern int usb_match_device(struct usb_device *dev, const struct usb_device_id *id); +extern const struct usb_device_id *usb_device_match_id(struct usb_device *udev, + const struct usb_device_id *id); +extern bool usb_driver_applicable(struct usb_device *udev, + const struct usb_device_driver *udrv); extern void usb_forced_unbind_intf(struct usb_interface *intf); -extern void usb_rebind_intf(struct usb_interface *intf); +extern void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev); -extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port, - struct dev_state *owner); -extern int usb_hub_release_port(struct usb_device *hdev, unsigned port, - struct dev_state *owner); extern void usb_hub_release_all_ports(struct usb_device *hdev, - struct dev_state *owner); + struct usb_dev_state *owner); extern bool usb_device_is_owned(struct usb_device *udev); extern int usb_hub_init(void); extern void usb_hub_cleanup(void); extern int usb_major_init(void); extern void usb_major_cleanup(void); +extern int usb_device_supports_lpm(struct usb_device *udev); +extern int usb_port_disable(struct usb_device *udev); #ifdef CONFIG_PM @@ -79,6 +99,18 @@ extern int usb_resume_complete(struct device *dev); extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg); extern int usb_port_resume(struct usb_device *dev, pm_message_t msg); +extern void usb_autosuspend_device(struct usb_device *udev); +extern int usb_autoresume_device(struct usb_device *udev); +extern int usb_remote_wakeup(struct usb_device *dev); +extern int usb_runtime_suspend(struct device *dev); +extern int usb_runtime_resume(struct device *dev); +extern int usb_runtime_idle(struct device *dev); +extern int usb_enable_usb2_hardware_lpm(struct usb_device *udev); +extern int usb_disable_usb2_hardware_lpm(struct usb_device *udev); + +extern void usbfs_notify_suspend(struct usb_device *udev); +extern void usbfs_notify_resume(struct usb_device *udev); + #else static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg) @@ -91,42 +123,31 @@ static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg) return 0; } -#endif - -#ifdef CONFIG_PM_RUNTIME - -extern void usb_autosuspend_device(struct usb_device *udev); -extern int usb_autoresume_device(struct usb_device *udev); -extern int usb_remote_wakeup(struct usb_device *dev); -extern int usb_runtime_suspend(struct device *dev); -extern int usb_runtime_resume(struct device *dev); -extern int usb_runtime_idle(struct device *dev); -extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable); - -#else - #define usb_autosuspend_device(udev) do {} while (0) static inline int usb_autoresume_device(struct usb_device *udev) { return 0; } -static inline int usb_remote_wakeup(struct usb_device *udev) +static inline int usb_enable_usb2_hardware_lpm(struct usb_device *udev) { return 0; } -static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable) +static inline int usb_disable_usb2_hardware_lpm(struct usb_device *udev) { return 0; } + #endif -extern struct bus_type usb_bus_type; -extern struct device_type usb_device_type; -extern struct device_type usb_if_device_type; -extern struct device_type usb_ep_device_type; -extern struct device_type usb_port_device_type; +extern const struct class usbmisc_class; +extern const struct bus_type usb_bus_type; +extern struct mutex usb_port_peer_mutex; +extern const struct device_type usb_device_type; +extern const struct device_type usb_if_device_type; +extern const struct device_type usb_ep_device_type; +extern const struct device_type usb_port_device_type; extern struct usb_device_driver usb_generic_driver; static inline int is_usb_device(const struct device *dev) @@ -149,14 +170,13 @@ static inline int is_usb_port(const struct device *dev) return dev->type == &usb_port_device_type; } -/* Do the same for device drivers and interface drivers. */ - -static inline int is_usb_device_driver(struct device_driver *drv) +static inline int is_root_hub(struct usb_device *udev) { - return container_of(drv, struct usbdrv_wrap, driver)-> - for_devices; + return (udev->parent == NULL); } +extern bool is_usb_device_driver(const struct device_driver *drv); + /* for labeling diagnostics */ extern const char *usbcore_name; @@ -165,24 +185,24 @@ extern const struct attribute_group *usb_device_groups[]; extern const struct attribute_group *usb_interface_groups[]; /* usbfs stuff */ -extern struct mutex usbfs_mutex; extern struct usb_driver usbfs_driver; extern const struct file_operations usbfs_devices_fops; extern const struct file_operations usbdev_file_operations; -extern void usbfs_conn_disc_event(void); extern int usb_devio_init(void); extern void usb_devio_cleanup(void); +/* + * Firmware specific cookie identifying a port's location. '0' == no location + * data available + */ +typedef u32 usb_port_location_t; + /* internal notify stuff */ extern void usb_notify_add_device(struct usb_device *udev); extern void usb_notify_remove_device(struct usb_device *udev); extern void usb_notify_add_bus(struct usb_bus *ubus); extern void usb_notify_remove_bus(struct usb_bus *ubus); -extern enum usb_port_connect_type - usb_get_hub_port_connect_type(struct usb_device *hdev, int port1); -extern void usb_set_hub_port_connect_type(struct usb_device *hdev, int port1, - enum usb_port_connect_type type); extern void usb_hub_adjust_deviceremovable(struct usb_device *hdev, struct usb_hub_descriptor *desc); |