OpenCloudOS-Kernel/drivers/comedi/comedi_usb.h

43 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/* comedi_usb.h
* header file for USB Comedi drivers
*
* COMEDI - Linux Control and Measurement Device Interface
* Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org>
*/
#ifndef _COMEDI_USB_H
#define _COMEDI_USB_H
#include <linux/usb.h>
#include "comedidev.h"
struct usb_interface *comedi_to_usb_interface(struct comedi_device *dev);
struct usb_device *comedi_to_usb_dev(struct comedi_device *dev);
int comedi_usb_auto_config(struct usb_interface *intf,
struct comedi_driver *driver, unsigned long context);
void comedi_usb_auto_unconfig(struct usb_interface *intf);
int comedi_usb_driver_register(struct comedi_driver *comedi_driver,
struct usb_driver *usb_driver);
void comedi_usb_driver_unregister(struct comedi_driver *comedi_driver,
struct usb_driver *usb_driver);
/**
* module_comedi_usb_driver() - Helper macro for registering a comedi USB driver
* @__comedi_driver: comedi_driver struct
* @__usb_driver: usb_driver struct
*
* Helper macro for comedi USB drivers which do not do anything special
* in module init/exit. This eliminates a lot of boilerplate. Each
* module may only use this macro once, and calling it replaces
* module_init() and module_exit()
*/
#define module_comedi_usb_driver(__comedi_driver, __usb_driver) \
module_driver(__comedi_driver, comedi_usb_driver_register, \
comedi_usb_driver_unregister, &(__usb_driver))
#endif /* _COMEDI_USB_H */