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v3.1
  1#include <linux/pm.h>
 
 
 
 
  2
  3/* Functions local to drivers/usb/core/ */
  4
  5extern int usb_create_sysfs_dev_files(struct usb_device *dev);
  6extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
  7extern void usb_create_sysfs_intf_files(struct usb_interface *intf);
  8extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
  9extern int usb_create_ep_devs(struct device *parent,
 10				struct usb_host_endpoint *endpoint,
 11				struct usb_device *udev);
 12extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
 13
 14extern void usb_enable_endpoint(struct usb_device *dev,
 15		struct usb_host_endpoint *ep, bool reset_toggle);
 16extern void usb_enable_interface(struct usb_device *dev,
 17		struct usb_interface *intf, bool reset_toggles);
 18extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
 19		bool reset_hardware);
 20extern void usb_disable_interface(struct usb_device *dev,
 21		struct usb_interface *intf, bool reset_hardware);
 22extern void usb_release_interface_cache(struct kref *ref);
 23extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
 24extern int usb_deauthorize_device(struct usb_device *);
 25extern int usb_authorize_device(struct usb_device *);
 26extern void usb_detect_quirks(struct usb_device *udev);
 
 27extern int usb_remove_device(struct usb_device *udev);
 28
 29extern int usb_get_device_descriptor(struct usb_device *dev,
 30		unsigned int size);
 
 
 31extern char *usb_cache_string(struct usb_device *udev, int index);
 32extern int usb_set_configuration(struct usb_device *dev, int configuration);
 33extern int usb_choose_configuration(struct usb_device *udev);
 34
 
 
 
 
 
 
 
 
 
 35extern void usb_kick_khubd(struct usb_device *dev);
 
 
 
 36extern int usb_match_device(struct usb_device *dev,
 37			    const struct usb_device_id *id);
 38extern void usb_forced_unbind_intf(struct usb_interface *intf);
 39extern void usb_rebind_intf(struct usb_interface *intf);
 40
 41extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port,
 42		void *owner);
 43extern int usb_hub_release_port(struct usb_device *hdev, unsigned port,
 44		void *owner);
 45extern void usb_hub_release_all_ports(struct usb_device *hdev, void *owner);
 46extern bool usb_device_is_owned(struct usb_device *udev);
 47
 48extern int  usb_hub_init(void);
 49extern void usb_hub_cleanup(void);
 50extern int usb_major_init(void);
 51extern void usb_major_cleanup(void);
 52
 53#ifdef	CONFIG_PM
 54
 55extern int usb_suspend(struct device *dev, pm_message_t msg);
 56extern int usb_resume(struct device *dev, pm_message_t msg);
 
 57
 58extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
 59extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
 60
 61#else
 62
 63static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
 64{
 65	return 0;
 66}
 67
 68static 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
 77extern void usb_autosuspend_device(struct usb_device *udev);
 78extern int usb_autoresume_device(struct usb_device *udev);
 79extern int usb_remote_wakeup(struct usb_device *dev);
 80extern int usb_runtime_suspend(struct device *dev);
 81extern int usb_runtime_resume(struct device *dev);
 82extern int usb_runtime_idle(struct device *dev);
 
 83
 84#else
 85
 86#define usb_autosuspend_device(udev)		do {} while (0)
 87static inline int usb_autoresume_device(struct usb_device *udev)
 88{
 89	return 0;
 90}
 91
 92static inline int usb_remote_wakeup(struct usb_device *udev)
 93{
 94	return 0;
 95}
 96
 
 
 
 
 97#endif
 98
 99extern struct bus_type usb_bus_type;
100extern struct device_type usb_device_type;
101extern struct device_type usb_if_device_type;
102extern struct device_type usb_ep_device_type;
 
103extern struct usb_device_driver usb_generic_driver;
104
105static inline int is_usb_device(const struct device *dev)
106{
107	return dev->type == &usb_device_type;
108}
109
110static inline int is_usb_interface(const struct device *dev)
111{
112	return dev->type == &usb_if_device_type;
113}
114
115static 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
122static 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 */
129static 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 */
143extern const char *usbcore_name;
144
145/* sysfs stuff */
146extern const struct attribute_group *usb_device_groups[];
147extern const struct attribute_group *usb_interface_groups[];
148
149/* usbfs stuff */
150extern struct mutex usbfs_mutex;
151extern struct usb_driver usbfs_driver;
152extern const struct file_operations usbfs_devices_fops;
153extern const struct file_operations usbdev_file_operations;
154extern void usbfs_conn_disc_event(void);
155
156extern int usb_devio_init(void);
157extern void usb_devio_cleanup(void);
158
159/* internal notify stuff */
160extern void usb_notify_add_device(struct usb_device *udev);
161extern void usb_notify_remove_device(struct usb_device *udev);
162extern void usb_notify_add_bus(struct usb_bus *ubus);
163extern void usb_notify_remove_bus(struct usb_bus *ubus);
164
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
v3.15
  1#include <linux/pm.h>
  2#include <linux/acpi.h>
  3
  4struct usb_hub_descriptor;
  5struct usb_dev_state;
  6
  7/* Functions local to drivers/usb/core/ */
  8
  9extern int usb_create_sysfs_dev_files(struct usb_device *dev);
 10extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
 11extern void usb_create_sysfs_intf_files(struct usb_interface *intf);
 12extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
 13extern int usb_create_ep_devs(struct device *parent,
 14				struct usb_host_endpoint *endpoint,
 15				struct usb_device *udev);
 16extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
 17
 18extern void usb_enable_endpoint(struct usb_device *dev,
 19		struct usb_host_endpoint *ep, bool reset_toggle);
 20extern void usb_enable_interface(struct usb_device *dev,
 21		struct usb_interface *intf, bool reset_toggles);
 22extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
 23		bool reset_hardware);
 24extern void usb_disable_interface(struct usb_device *dev,
 25		struct usb_interface *intf, bool reset_hardware);
 26extern void usb_release_interface_cache(struct kref *ref);
 27extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
 28extern int usb_deauthorize_device(struct usb_device *);
 29extern int usb_authorize_device(struct usb_device *);
 30extern void usb_detect_quirks(struct usb_device *udev);
 31extern void usb_detect_interface_quirks(struct usb_device *udev);
 32extern int usb_remove_device(struct usb_device *udev);
 33
 34extern int usb_get_device_descriptor(struct usb_device *dev,
 35		unsigned int size);
 36extern int usb_get_bos_descriptor(struct usb_device *dev);
 37extern void usb_release_bos_descriptor(struct usb_device *dev);
 38extern char *usb_cache_string(struct usb_device *udev, int index);
 39extern int usb_set_configuration(struct usb_device *dev, int configuration);
 40extern int usb_choose_configuration(struct usb_device *udev);
 41
 42static inline unsigned usb_get_max_power(struct usb_device *udev,
 43		struct usb_host_config *c)
 44{
 45	/* SuperSpeed power is in 8 mA units; others are in 2 mA units */
 46	unsigned mul = (udev->speed == USB_SPEED_SUPER ? 8 : 2);
 47
 48	return c->desc.bMaxPower * mul;
 49}
 50
 51extern void usb_kick_khubd(struct usb_device *dev);
 52extern int usb_match_one_id_intf(struct usb_device *dev,
 53				 struct usb_host_interface *intf,
 54				 const struct usb_device_id *id);
 55extern int usb_match_device(struct usb_device *dev,
 56			    const struct usb_device_id *id);
 57extern void usb_forced_unbind_intf(struct usb_interface *intf);
 58extern void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev);
 59
 60extern void usb_hub_release_all_ports(struct usb_device *hdev,
 61		struct usb_dev_state *owner);
 
 
 
 62extern bool usb_device_is_owned(struct usb_device *udev);
 63
 64extern int  usb_hub_init(void);
 65extern void usb_hub_cleanup(void);
 66extern int usb_major_init(void);
 67extern void usb_major_cleanup(void);
 68
 69#ifdef	CONFIG_PM
 70
 71extern int usb_suspend(struct device *dev, pm_message_t msg);
 72extern int usb_resume(struct device *dev, pm_message_t msg);
 73extern int usb_resume_complete(struct device *dev);
 74
 75extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
 76extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
 77
 78#else
 79
 80static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
 81{
 82	return 0;
 83}
 84
 85static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
 86{
 87	return 0;
 88}
 89
 90#endif
 91
 92#ifdef CONFIG_PM_RUNTIME
 93
 94extern void usb_autosuspend_device(struct usb_device *udev);
 95extern int usb_autoresume_device(struct usb_device *udev);
 96extern int usb_remote_wakeup(struct usb_device *dev);
 97extern int usb_runtime_suspend(struct device *dev);
 98extern int usb_runtime_resume(struct device *dev);
 99extern int usb_runtime_idle(struct device *dev);
100extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable);
101
102#else
103
104#define usb_autosuspend_device(udev)		do {} while (0)
105static inline int usb_autoresume_device(struct usb_device *udev)
106{
107	return 0;
108}
109
110static inline int usb_remote_wakeup(struct usb_device *udev)
111{
112	return 0;
113}
114
115static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable)
116{
117	return 0;
118}
119#endif
120
121extern struct bus_type usb_bus_type;
122extern struct device_type usb_device_type;
123extern struct device_type usb_if_device_type;
124extern struct device_type usb_ep_device_type;
125extern struct device_type usb_port_device_type;
126extern struct usb_device_driver usb_generic_driver;
127
128static inline int is_usb_device(const struct device *dev)
129{
130	return dev->type == &usb_device_type;
131}
132
133static inline int is_usb_interface(const struct device *dev)
134{
135	return dev->type == &usb_if_device_type;
136}
137
138static inline int is_usb_endpoint(const struct device *dev)
139{
140	return dev->type == &usb_ep_device_type;
141}
142
143static inline int is_usb_port(const struct device *dev)
144{
145	return dev->type == &usb_port_device_type;
146}
147
148/* Do the same for device drivers and interface drivers. */
149
150static inline int is_usb_device_driver(struct device_driver *drv)
151{
152	return container_of(drv, struct usbdrv_wrap, driver)->
153			for_devices;
154}
155
 
 
 
 
 
 
 
 
 
 
 
 
 
 
156/* for labeling diagnostics */
157extern const char *usbcore_name;
158
159/* sysfs stuff */
160extern const struct attribute_group *usb_device_groups[];
161extern const struct attribute_group *usb_interface_groups[];
162
163/* usbfs stuff */
164extern struct mutex usbfs_mutex;
165extern struct usb_driver usbfs_driver;
166extern const struct file_operations usbfs_devices_fops;
167extern const struct file_operations usbdev_file_operations;
168extern void usbfs_conn_disc_event(void);
169
170extern int usb_devio_init(void);
171extern void usb_devio_cleanup(void);
172
173/* internal notify stuff */
174extern void usb_notify_add_device(struct usb_device *udev);
175extern void usb_notify_remove_device(struct usb_device *udev);
176extern void usb_notify_add_bus(struct usb_bus *ubus);
177extern void usb_notify_remove_bus(struct usb_bus *ubus);
178extern enum usb_port_connect_type
179	usb_get_hub_port_connect_type(struct usb_device *hdev, int port1);
180extern void usb_set_hub_port_connect_type(struct usb_device *hdev, int port1,
181	enum usb_port_connect_type type);
182extern void usb_hub_adjust_deviceremovable(struct usb_device *hdev,
183		struct usb_hub_descriptor *desc);
184
185#ifdef CONFIG_ACPI
186extern int usb_acpi_register(void);
187extern void usb_acpi_unregister(void);
188extern acpi_handle usb_get_hub_port_acpi_handle(struct usb_device *hdev,
189	int port1);
190#else
191static inline int usb_acpi_register(void) { return 0; };
192static inline void usb_acpi_unregister(void) { };
193#endif