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#ifndef _AUSB_H
#define _AUSB_H
/* Wrapper/Extension code to libusb-0.1 to support asynchronous requests
* on Linux platforns
*
* (C) 2004 by Harald Welte <laforge@gnumonks.org>
*
* Distributed under the terms of GNU LGPL, Version 2.1
*/
#include <usb.h>
#include <linux/usbdevice_fs.h>
#define AUSB_USBDEVFS_URB_TYPES 4
/* structures */
struct ausb_callback {
void (*handler)(struct usbdevfs_urb *uurb, void *userdata);
void *userdata;
};
struct ausb_dev_handle {
usb_dev_handle *uh;
struct ausb_callback cb[AUSB_USBDEVFS_URB_TYPES];
};
typedef struct ausb_dev_handle ausb_dev_handle;
/* intitialization */
int ausb_init(void);
ausb_dev_handle *ausb_open(struct usb_device *dev);
int ausb_close(ausb_dev_handle *ah);
int ausb_register_callback(ausb_dev_handle *ah, unsigned char type,
void (*callback)(struct usbdevfs_urb *uurb,
void *userdata),
void *userdata);
/* asynchronous URB related functions */
void ausb_dump_urb(struct usbdevfs_urb *uurb);
void ausb_fill_int_urb(struct usbdevfs_urb *uurb, unsigned char endpoint,
void *buffer, int buffer_length);
int ausb_submit_urb(ausb_dev_handle *ah, struct usbdevfs_urb *uurb);
int ausb_discard_urb(ausb_dev_handle *ah, struct usbdevfs_urb *uurb);
struct usbdevfs_urb *ausb_get_urb(ausb_dev_handle *ah);
/* synchronous functions, mostly wrappers for libusb */
int ausb_claim_interface(ausb_dev_handle *ah, int interface);
int ausb_release_interface(ausb_dev_handle *ah, int interface);
int ausb_set_configuration(ausb_dev_handle *dev, int configuration);
int ausb_clear_halt(ausb_dev_handle *dev, unsigned int ep);
int ausb_reset(ausb_dev_handle *dev);
int ausb_resetep(ausb_dev_handle *dev, int ep);
int ausb_bulk_write(ausb_dev_handle *ah, int ep, char *bytes, int size,
int timeout);
int ausb_bulk_read(ausb_dev_handle *ah, int ep, char *bytes, int size,
int timeout);
#ifdef LIBUSB_HAS_GET_DRIVER_NP
int ausb_get_driver_np(ausb_dev_handle *ah, int interface, char *name,
unsigned int namelen);
#endif
#ifdef LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP
int ausb_detach_kernel_driver_np(ausb_dev_handle *dev, int interface);
int ausb_reattach_kernel_driver_np(ausb_dev_handle *dev, int interface);
#endif
#endif /* _AUSB_H */
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