#define __LINUX_USB_H
#include <linux/mod_devicetable.h>
-#include <linux/usb_ch9.h>
+#include <linux/usb/ch9.h>
#define USB_MAJOR 180
#define USB_DEVICE_MAJOR 189
* @needs_remote_wakeup: flag set when the driver requires remote-wakeup
* capability during autosuspend.
* @dev: driver model's view of this device
- * @class_dev: driver model's class view of this device.
+ * @usb_dev: if an interface is bound to the USB major, this will point
+ * to the sysfs representation for that device.
* @pm_usage_cnt: PM usage counter for this interface; autosuspend is not
* allowed unless the counter is 0.
*
unsigned needs_remote_wakeup:1; /* driver requires remote wakeup */
struct device dev; /* interface specific device info */
- struct class_device *class_dev;
+ struct device *usb_dev; /* pointer to the usb class's device, if any */
int pm_usage_cnt; /* usage counter for autosuspend */
};
#define to_usb_interface(d) container_of(d, struct usb_interface, dev)
int bandwidth_int_reqs; /* number of Interrupt requests */
int bandwidth_isoc_reqs; /* number of Isoc. requests */
+#ifdef CONFIG_USB_DEVICEFS
struct dentry *usbfs_dentry; /* usbfs dentry entry for the bus */
-
+#endif
struct class_device *class_dev; /* class device for this bus */
#if defined(CONFIG_USB_MON)
/* This is arbitrary.
* From USB 2.0 spec Table 11-13, offset 7, a hub can
* have up to 255 ports. The most yet reported is 10.
+ *
+ * Current Wireless USB host hardware (Intel i1480 for example) allows
+ * up to 22 devices to connect. Upcoming hardware might raise that
+ * limit. Because the arrays need to add a bit for hub status data, we
+ * do 31, so plus one evens out to four bytes.
*/
-#define USB_MAXCHILDREN (16)
+#define USB_MAXCHILDREN (31)
struct usb_tt;
u8 portnum; /* Parent port number (origin 1) */
u8 level; /* Number of USB hub ancestors */
- int have_langid; /* whether string_langid is valid */
+ unsigned discon_suspended:1; /* Disconnected while suspended */
+ unsigned have_langid:1; /* whether string_langid is valid */
int string_langid; /* language ID for strings */
/* static strings from the device */
char *serial; /* iSerialNumber string, if present */
struct list_head filelist;
- struct class_device *class_dev;
+#ifdef CONFIG_USB_DEVICE_CLASS
+ struct device *usb_classdev;
+#endif
+#ifdef CONFIG_USB_DEVICEFS
struct dentry *usbfs_dentry; /* usbfs dentry entry for the device */
-
+#endif
/*
* Child devices - these can be either new devices
* (if this is a hub device), or different instances
struct usb_device *children[USB_MAXCHILDREN];
int pm_usage_cnt; /* usage counter for autosuspend */
+ u32 quirks; /* quirks of the whole device */
+
#ifdef CONFIG_PM
- struct work_struct autosuspend; /* for delayed autosuspends */
+ struct delayed_work autosuspend; /* for delayed autosuspends */
struct mutex pm_mutex; /* protects PM operations */
+ unsigned long last_busy; /* time of last use */
+ int autosuspend_delay; /* in jiffies */
+
unsigned auto_pm:1; /* autosuspend/resume in progress */
unsigned do_remote_wakeup:1; /* remote wakeup should be enabled */
+ unsigned autosuspend_disabled:1; /* autosuspend and autoresume */
+ unsigned autoresume_disabled:1; /* disabled by the user */
#endif
};
#define to_usb_device(d) container_of(d, struct usb_device, dev)
/* USB autosuspend and autoresume */
#ifdef CONFIG_USB_SUSPEND
+extern int usb_autopm_set_interface(struct usb_interface *intf);
extern int usb_autopm_get_interface(struct usb_interface *intf);
extern void usb_autopm_put_interface(struct usb_interface *intf);
+static inline void usb_autopm_enable(struct usb_interface *intf)
+{
+ intf->pm_usage_cnt = 0;
+ usb_autopm_set_interface(intf);
+}
+
+static inline void usb_autopm_disable(struct usb_interface *intf)
+{
+ intf->pm_usage_cnt = 1;
+ usb_autopm_set_interface(intf);
+}
+
+static inline void usb_mark_last_busy(struct usb_device *udev)
+{
+ udev->last_busy = jiffies;
+}
+
#else
-#define usb_autopm_get_interface(intf) 0
-#define usb_autopm_put_interface(intf) do {} while (0)
-#endif
+static inline int usb_autopm_set_interface(struct usb_interface *intf)
+{ return 0; }
+
+static inline int usb_autopm_get_interface(struct usb_interface *intf)
+{ return 0; }
+
+static inline void usb_autopm_put_interface(struct usb_interface *intf)
+{ }
+static inline void usb_autopm_enable(struct usb_interface *intf)
+{ }
+static inline void usb_autopm_disable(struct usb_interface *intf)
+{ }
+static inline void usb_mark_last_busy(struct usb_device *udev)
+{ }
+#endif
/*-------------------------------------------------------------------------*/
struct usb_interface *iface);
const struct usb_device_id *usb_match_id(struct usb_interface *interface,
const struct usb_device_id *id);
+extern int usb_match_one_id(struct usb_interface *interface,
+ const struct usb_device_id *id);
extern struct usb_interface *usb_find_interface(struct usb_driver *drv,
int minor);
/*-------------------------------------------------------------------------*/
-extern int usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd);
-extern int usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd);
-extern int usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd);
-extern int usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd);
-extern int usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd);
-extern int usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd);
-extern int usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd);
-extern int usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd);
-extern int usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd);
-extern int usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd);
-extern int usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd);
+/**
+ * usb_endpoint_dir_in - check if the endpoint has IN direction
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint is of type IN, otherwise it returns false.
+ */
+static inline int usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
+{
+ return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
+}
+
+/**
+ * usb_endpoint_dir_out - check if the endpoint has OUT direction
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint is of type OUT, otherwise it returns false.
+ */
+static inline int usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
+{
+ return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
+}
+
+/**
+ * usb_endpoint_xfer_bulk - check if the endpoint has bulk transfer type
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint is of type bulk, otherwise it returns false.
+ */
+static inline int usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
+{
+ return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
+ USB_ENDPOINT_XFER_BULK);
+}
+
+/**
+ * usb_endpoint_xfer_control - check if the endpoint has control transfer type
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint is of type control, otherwise it returns false.
+ */
+static inline int usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
+{
+ return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
+ USB_ENDPOINT_XFER_CONTROL);
+}
+
+/**
+ * usb_endpoint_xfer_int - check if the endpoint has interrupt transfer type
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint is of type interrupt, otherwise it returns
+ * false.
+ */
+static inline int usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
+{
+ return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
+ USB_ENDPOINT_XFER_INT);
+}
+
+/**
+ * usb_endpoint_xfer_isoc - check if the endpoint has isochronous transfer type
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint is of type isochronous, otherwise it returns
+ * false.
+ */
+static inline int usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
+{
+ return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
+ USB_ENDPOINT_XFER_ISOC);
+}
+
+/**
+ * usb_endpoint_is_bulk_in - check if the endpoint is bulk IN
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint has bulk transfer type and IN direction,
+ * otherwise it returns false.
+ */
+static inline int usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
+{
+ return (usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_in(epd));
+}
+
+/**
+ * usb_endpoint_is_bulk_out - check if the endpoint is bulk OUT
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint has bulk transfer type and OUT direction,
+ * otherwise it returns false.
+ */
+static inline int usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
+{
+ return (usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_out(epd));
+}
+
+/**
+ * usb_endpoint_is_int_in - check if the endpoint is interrupt IN
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint has interrupt transfer type and IN direction,
+ * otherwise it returns false.
+ */
+static inline int usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
+{
+ return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_in(epd));
+}
+
+/**
+ * usb_endpoint_is_int_out - check if the endpoint is interrupt OUT
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint has interrupt transfer type and OUT direction,
+ * otherwise it returns false.
+ */
+static inline int usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
+{
+ return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_out(epd));
+}
+
+/**
+ * usb_endpoint_is_isoc_in - check if the endpoint is isochronous IN
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint has isochronous transfer type and IN direction,
+ * otherwise it returns false.
+ */
+static inline int usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
+{
+ return (usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_in(epd));
+}
+
+/**
+ * usb_endpoint_is_isoc_out - check if the endpoint is isochronous OUT
+ * @epd: endpoint to be checked
+ *
+ * Returns true if the endpoint has isochronous transfer type and OUT direction,
+ * otherwise it returns false.
+ */
+static inline int usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
+{
+ return (usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_out(epd));
+}
/*-------------------------------------------------------------------------*/
/* ----------------------------------------------------------------------- */
+/* Stuff for dynamic usb ids */
struct usb_dynids {
spinlock_t lock;
struct list_head list;
};
+struct usb_dynid {
+ struct list_head node;
+ struct usb_device_id id;
+};
+
+extern ssize_t usb_store_new_id(struct usb_dynids *dynids,
+ struct device_driver *driver,
+ const char *buf, size_t count);
+
/**
* struct usbdrv_wrap - wrapper for driver-model structure
* @driver: The driver-model core driver structure.
* use these in module_init()/module_exit()
* and don't forget MODULE_DEVICE_TABLE(usb, ...)
*/
-extern int usb_register_driver(struct usb_driver *, struct module *);
+extern int usb_register_driver(struct usb_driver *, struct module *,
+ const char *);
static inline int usb_register(struct usb_driver *driver)
{
- return usb_register_driver(driver, THIS_MODULE);
+ return usb_register_driver(driver, THIS_MODULE, KBUILD_MODNAME);
}
extern void usb_deregister(struct usb_driver *);
unsigned int offset;
unsigned int length; /* expected length */
unsigned int actual_length;
- unsigned int status;
+ int status;
};
struct urb;
-struct pt_regs;
-typedef void (*usb_complete_t)(struct urb *, struct pt_regs *);
+typedef void (*usb_complete_t)(struct urb *);
/**
* struct urb - USB Request Block
struct kref kref; /* reference count of the URB */
spinlock_t lock; /* lock for the URB */
void *hcpriv; /* private data for host controller */
- int bandwidth; /* bandwidth for INT/ISO request */
atomic_t use_count; /* concurrent submissions counter */
u8 reject; /* submissions will fail */