diff options
Diffstat (limited to 'host/ausb/ausb.h')
| -rw-r--r-- | host/ausb/ausb.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/host/ausb/ausb.h b/host/ausb/ausb.h new file mode 100644 index 0000000..4d62cac --- /dev/null +++ b/host/ausb/ausb.h @@ -0,0 +1,68 @@ +#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 */ |