1 #include <linux/pm.h> 2 3 struct dev_state; 4 5 /* Functions local to drivers/usb/core/ */ 6 7 extern int usb_create_sysfs_dev_files(struct usb_device *dev); 8 extern void usb_remove_sysfs_dev_files(struct usb_device *dev); 9 extern void usb_create_sysfs_intf_files(struct usb_interface *intf); 10 extern void usb_remove_sysfs_intf_files(struct usb_interface *intf); 11 extern int usb_create_ep_devs(struct device *parent, 12 struct usb_host_endpoint *endpoint, 13 struct usb_device *udev); 14 extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint); 15 16 extern void usb_enable_endpoint(struct usb_device *dev, 17 struct usb_host_endpoint *ep, bool reset_toggle); 18 extern void usb_enable_interface(struct usb_device *dev, 19 struct usb_interface *intf, bool reset_toggles); 20 extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr, 21 bool reset_hardware); 22 extern void usb_disable_interface(struct usb_device *dev, 23 struct usb_interface *intf, bool reset_hardware); 24 extern void usb_release_interface_cache(struct kref *ref); 25 extern void usb_disable_device(struct usb_device *dev, int skip_ep0); 26 extern int usb_deauthorize_device(struct usb_device *); 27 extern int usb_authorize_device(struct usb_device *); 28 extern void usb_detect_quirks(struct usb_device *udev); 29 extern void usb_detect_interface_quirks(struct usb_device *udev); 30 extern int usb_remove_device(struct usb_device *udev); 31 32 extern int usb_get_device_descriptor(struct usb_device *dev, 33 unsigned int size); 34 extern int usb_get_bos_descriptor(struct usb_device *dev); 35 extern void usb_release_bos_descriptor(struct usb_device *dev); 36 extern char *usb_cache_string(struct usb_device *udev, int index); 37 extern int usb_set_configuration(struct usb_device *dev, int configuration); 38 extern int usb_choose_configuration(struct usb_device *udev); 39 40 extern void usb_kick_khubd(struct usb_device *dev); 41 extern int usb_match_one_id_intf(struct usb_device *dev, 42 struct usb_host_interface *intf, 43 const struct usb_device_id *id); 44 extern int usb_match_device(struct usb_device *dev, 45 const struct usb_device_id *id); 46 extern void usb_forced_unbind_intf(struct usb_interface *intf); 47 extern void usb_rebind_intf(struct usb_interface *intf); 48 49 extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port, 50 struct dev_state *owner); 51 extern int usb_hub_release_port(struct usb_device *hdev, unsigned port, 52 struct dev_state *owner); 53 extern void usb_hub_release_all_ports(struct usb_device *hdev, 54 struct dev_state *owner); 55 extern bool usb_device_is_owned(struct usb_device *udev); 56 57 extern int usb_hub_init(void); 58 extern void usb_hub_cleanup(void); 59 extern int usb_major_init(void); 60 extern void usb_major_cleanup(void); 61 62 #ifdef CONFIG_PM 63 64 extern int usb_suspend(struct device *dev, pm_message_t msg); 65 extern int usb_resume(struct device *dev, pm_message_t msg); 66 extern int usb_resume_complete(struct device *dev); 67 68 extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg); 69 extern int usb_port_resume(struct usb_device *dev, pm_message_t msg); 70 71 #else 72 73 static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg) 74 { 75 return 0; 76 } 77 78 static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg) 79 { 80 return 0; 81 } 82 83 #endif 84 85 #ifdef CONFIG_USB_SUSPEND 86 87 extern void usb_autosuspend_device(struct usb_device *udev); 88 extern int usb_autoresume_device(struct usb_device *udev); 89 extern int usb_remote_wakeup(struct usb_device *dev); 90 extern int usb_runtime_suspend(struct device *dev); 91 extern int usb_runtime_resume(struct device *dev); 92 extern int usb_runtime_idle(struct device *dev); 93 extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable); 94 95 #else 96 97 #define usb_autosuspend_device(udev) do {} while (0) 98 static inline int usb_autoresume_device(struct usb_device *udev) 99 { 100 return 0; 101 } 102 103 static inline int usb_remote_wakeup(struct usb_device *udev) 104 { 105 return 0; 106 } 107 108 static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable) 109 { 110 return 0; 111 } 112 #endif 113 114 extern struct bus_type usb_bus_type; 115 extern struct device_type usb_device_type; 116 extern struct device_type usb_if_device_type; 117 extern struct device_type usb_ep_device_type; 118 extern struct usb_device_driver usb_generic_driver; 119 120 static inline int is_usb_device(const struct device *dev) 121 { 122 return dev->type == &usb_device_type; 123 } 124 125 static inline int is_usb_interface(const struct device *dev) 126 { 127 return dev->type == &usb_if_device_type; 128 } 129 130 static inline int is_usb_endpoint(const struct device *dev) 131 { 132 return dev->type == &usb_ep_device_type; 133 } 134 135 /* Do the same for device drivers and interface drivers. */ 136 137 static inline int is_usb_device_driver(struct device_driver *drv) 138 { 139 return container_of(drv, struct usbdrv_wrap, driver)-> 140 for_devices; 141 } 142 143 /* for labeling diagnostics */ 144 extern const char *usbcore_name; 145 146 /* sysfs stuff */ 147 extern const struct attribute_group *usb_device_groups[]; 148 extern const struct attribute_group *usb_interface_groups[]; 149 150 /* usbfs stuff */ 151 extern struct mutex usbfs_mutex; 152 extern struct usb_driver usbfs_driver; 153 extern const struct file_operations usbfs_devices_fops; 154 extern const struct file_operations usbdev_file_operations; 155 extern void usbfs_conn_disc_event(void); 156 157 extern int usb_devio_init(void); 158 extern void usb_devio_cleanup(void); 159 160 /* internal notify stuff */ 161 extern void usb_notify_add_device(struct usb_device *udev); 162 extern void usb_notify_remove_device(struct usb_device *udev); 163 extern void usb_notify_add_bus(struct usb_bus *ubus); 164 extern void usb_notify_remove_bus(struct usb_bus *ubus); 165 166 #ifdef CONFIG_ACPI 167 extern int usb_acpi_register(void); 168 extern void usb_acpi_unregister(void); 169 #else 170 static inline int usb_acpi_register(void) { return 0; }; 171 static inline void usb_acpi_unregister(void) { }; 172 #endif 173