1 #include <linux/pm.h> 2 #include <linux/acpi.h> 3 4 struct dev_state; 5 6 /* Functions local to drivers/usb/core/ */ 7 8 extern int usb_create_sysfs_dev_files(struct usb_device *dev); 9 extern void usb_remove_sysfs_dev_files(struct usb_device *dev); 10 extern void usb_create_sysfs_intf_files(struct usb_interface *intf); 11 extern void usb_remove_sysfs_intf_files(struct usb_interface *intf); 12 extern int usb_create_ep_devs(struct device *parent, 13 struct usb_host_endpoint *endpoint, 14 struct usb_device *udev); 15 extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint); 16 17 extern void usb_enable_endpoint(struct usb_device *dev, 18 struct usb_host_endpoint *ep, bool reset_toggle); 19 extern void usb_enable_interface(struct usb_device *dev, 20 struct usb_interface *intf, bool reset_toggles); 21 extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr, 22 bool reset_hardware); 23 extern void usb_disable_interface(struct usb_device *dev, 24 struct usb_interface *intf, bool reset_hardware); 25 extern void usb_release_interface_cache(struct kref *ref); 26 extern void usb_disable_device(struct usb_device *dev, int skip_ep0); 27 extern int usb_deauthorize_device(struct usb_device *); 28 extern int usb_authorize_device(struct usb_device *); 29 extern void usb_detect_quirks(struct usb_device *udev); 30 extern void usb_detect_interface_quirks(struct usb_device *udev); 31 extern int usb_remove_device(struct usb_device *udev); 32 33 extern int usb_get_device_descriptor(struct usb_device *dev, 34 unsigned int size); 35 extern int usb_get_bos_descriptor(struct usb_device *dev); 36 extern void usb_release_bos_descriptor(struct usb_device *dev); 37 extern char *usb_cache_string(struct usb_device *udev, int index); 38 extern int usb_set_configuration(struct usb_device *dev, int configuration); 39 extern int usb_choose_configuration(struct usb_device *udev); 40 41 extern void usb_kick_khubd(struct usb_device *dev); 42 extern int usb_match_one_id_intf(struct usb_device *dev, 43 struct usb_host_interface *intf, 44 const struct usb_device_id *id); 45 extern int usb_match_device(struct usb_device *dev, 46 const struct usb_device_id *id); 47 extern void usb_forced_unbind_intf(struct usb_interface *intf); 48 extern void usb_rebind_intf(struct usb_interface *intf); 49 50 extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port, 51 struct dev_state *owner); 52 extern int usb_hub_release_port(struct usb_device *hdev, unsigned port, 53 struct dev_state *owner); 54 extern void usb_hub_release_all_ports(struct usb_device *hdev, 55 struct dev_state *owner); 56 extern bool usb_device_is_owned(struct usb_device *udev); 57 58 extern int usb_hub_init(void); 59 extern void usb_hub_cleanup(void); 60 extern int usb_major_init(void); 61 extern void usb_major_cleanup(void); 62 63 #ifdef CONFIG_PM 64 65 extern int usb_suspend(struct device *dev, pm_message_t msg); 66 extern int usb_resume(struct device *dev, pm_message_t msg); 67 extern int usb_resume_complete(struct device *dev); 68 69 extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg); 70 extern int usb_port_resume(struct usb_device *dev, pm_message_t msg); 71 72 #else 73 74 static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg) 75 { 76 return 0; 77 } 78 79 static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg) 80 { 81 return 0; 82 } 83 84 #endif 85 86 #ifdef CONFIG_USB_SUSPEND 87 88 extern void usb_autosuspend_device(struct usb_device *udev); 89 extern int usb_autoresume_device(struct usb_device *udev); 90 extern int usb_remote_wakeup(struct usb_device *dev); 91 extern int usb_runtime_suspend(struct device *dev); 92 extern int usb_runtime_resume(struct device *dev); 93 extern int usb_runtime_idle(struct device *dev); 94 extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable); 95 96 #else 97 98 #define usb_autosuspend_device(udev) do {} while (0) 99 static inline int usb_autoresume_device(struct usb_device *udev) 100 { 101 return 0; 102 } 103 104 static inline int usb_remote_wakeup(struct usb_device *udev) 105 { 106 return 0; 107 } 108 109 static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable) 110 { 111 return 0; 112 } 113 #endif 114 115 extern struct bus_type usb_bus_type; 116 extern struct device_type usb_device_type; 117 extern struct device_type usb_if_device_type; 118 extern struct device_type usb_ep_device_type; 119 extern struct device_type usb_port_device_type; 120 extern struct usb_device_driver usb_generic_driver; 121 122 static inline int is_usb_device(const struct device *dev) 123 { 124 return dev->type == &usb_device_type; 125 } 126 127 static inline int is_usb_interface(const struct device *dev) 128 { 129 return dev->type == &usb_if_device_type; 130 } 131 132 static inline int is_usb_endpoint(const struct device *dev) 133 { 134 return dev->type == &usb_ep_device_type; 135 } 136 137 static inline int is_usb_port(const struct device *dev) 138 { 139 return dev->type == &usb_port_device_type; 140 } 141 142 /* Do the same for device drivers and interface drivers. */ 143 144 static inline int is_usb_device_driver(struct device_driver *drv) 145 { 146 return container_of(drv, struct usbdrv_wrap, driver)-> 147 for_devices; 148 } 149 150 /* for labeling diagnostics */ 151 extern const char *usbcore_name; 152 153 /* sysfs stuff */ 154 extern const struct attribute_group *usb_device_groups[]; 155 extern const struct attribute_group *usb_interface_groups[]; 156 157 /* usbfs stuff */ 158 extern struct mutex usbfs_mutex; 159 extern struct usb_driver usbfs_driver; 160 extern const struct file_operations usbfs_devices_fops; 161 extern const struct file_operations usbdev_file_operations; 162 extern void usbfs_conn_disc_event(void); 163 164 extern int usb_devio_init(void); 165 extern void usb_devio_cleanup(void); 166 167 /* internal notify stuff */ 168 extern void usb_notify_add_device(struct usb_device *udev); 169 extern void usb_notify_remove_device(struct usb_device *udev); 170 extern void usb_notify_add_bus(struct usb_bus *ubus); 171 extern void usb_notify_remove_bus(struct usb_bus *ubus); 172 extern enum usb_port_connect_type 173 usb_get_hub_port_connect_type(struct usb_device *hdev, int port1); 174 extern void usb_set_hub_port_connect_type(struct usb_device *hdev, int port1, 175 enum usb_port_connect_type type); 176 177 #ifdef CONFIG_ACPI 178 extern int usb_acpi_register(void); 179 extern void usb_acpi_unregister(void); 180 extern acpi_handle usb_get_hub_port_acpi_handle(struct usb_device *hdev, 181 int port1); 182 #else 183 static inline int usb_acpi_register(void) { return 0; }; 184 static inline void usb_acpi_unregister(void) { }; 185 #endif 186