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