1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Released under the GPLv2 only.
*/
#include <linux/pm.h>
#include <linux/acpi.h>
struct usb_hub_descriptor;
struct usb_dev_state;
/* Functions local to drivers/usb/core/ */
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_create_ep_devs(struct device *parent,
struct usb_host_endpoint *endpoint,
struct usb_device *udev);
extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
extern void usb_enable_endpoint(struct usb_device *dev,
struct usb_host_endpoint *ep, bool reset_toggle);
extern void usb_enable_interface(struct usb_device *dev,
struct usb_interface *intf, bool reset_toggles);
extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
bool reset_hardware);
extern void usb_disable_interface(struct usb_device *dev,
struct usb_interface *intf, bool reset_hardware);
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 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);
return c->desc.bMaxPower * mul;
}
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 void usb_forced_unbind_intf(struct usb_interface *intf);
extern void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev);
extern void usb_hub_release_all_ports(struct usb_device *hdev,
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
extern int usb_suspend(struct device *dev, pm_message_t msg);
extern int usb_resume(struct device *dev, pm_message_t msg);
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)
{
return 0;
}
static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
{
return 0;
}
#define usb_autosuspend_device(udev) do {} while (0)
static inline int usb_autoresume_device(struct usb_device *udev)
{
return 0;
}
static inline int usb_enable_usb2_hardware_lpm(struct usb_device *udev)
{
return 0;
}
static inline int usb_disable_usb2_hardware_lpm(struct usb_device *udev)
{
return 0;
}
#endif
extern struct bus_type usb_bus_type;
extern struct mutex usb_port_peer_mutex;
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 struct usb_device_driver usb_generic_driver;
static inline int is_usb_device(const struct device *dev)
{
return dev->type == &usb_device_type;
}
static inline int is_usb_interface(const struct device *dev)
{
return dev->type == &usb_if_device_type;
}
static inline int is_usb_endpoint(const struct device *dev)
{
return dev->type == &usb_ep_device_type;
}
static inline int is_usb_port(const struct device *dev)
{
return dev->type == &usb_port_device_type;
}
static inline int is_root_hub(struct usb_device *udev)
{
return (udev->parent == NULL);
}
/* Do the same for device drivers and interface drivers. */
static inline int is_usb_device_driver(struct device_driver *drv)
{
return container_of(drv, struct usbdrv_wrap, driver)->
for_devices;
}
/* for labeling diagnostics */
extern const char *usbcore_name;
/* sysfs stuff */
extern const struct attribute_group *usb_device_groups[];
extern const struct attribute_group *usb_interface_groups[];
/* usbfs stuff */
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 void usb_hub_adjust_deviceremovable(struct usb_device *hdev,
struct usb_hub_descriptor *desc);
#ifdef CONFIG_ACPI
extern int usb_acpi_register(void);
extern void usb_acpi_unregister(void);
extern acpi_handle usb_get_hub_port_acpi_handle(struct usb_device *hdev,
int port1);
#else
static inline int usb_acpi_register(void) { return 0; };
static inline void usb_acpi_unregister(void) { };
#endif
|
