linux/comedi/comedi_usb.h

0001 /* SPDX-License-Identifier: GPL-2.0+ */
0002 /* comedi_usb.h
0003  * header file for USB Comedi drivers
0004  *
0005  * COMEDI - Linux Control and Measurement Device Interface
0006  * Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org>
0007  */
0008
0009 #ifndef _COMEDI_USB_H
0010 #define _COMEDI_USB_H
0011
0012 #include <linux/usb.h>
0013 #include <linux/comedi/comedidev.h>
0014
0015 struct usb_interface *comedi_to_usb_interface(struct comedi_device *dev);
0016 struct usb_device *comedi_to_usb_dev(struct comedi_device *dev);
0017
0018 int comedi_usb_auto_config(struct usb_interface *intf,
0019                struct comedi_driver *driver, unsigned long context);
0020 void comedi_usb_auto_unconfig(struct usb_interface *intf);
0021
0022 int comedi_usb_driver_register(struct comedi_driver *comedi_driver,
0023                    struct usb_driver *usb_driver);
0024 void comedi_usb_driver_unregister(struct comedi_driver *comedi_driver,
0025                   struct usb_driver *usb_driver);
0026
0027 /**
0028  * module_comedi_usb_driver() - Helper macro for registering a comedi USB driver
0029  * @__comedi_driver: comedi_driver struct
0030  * @__usb_driver: usb_driver struct
0031  *
0032  * Helper macro for comedi USB drivers which do not do anything special
0033  * in module init/exit. This eliminates a lot of boilerplate. Each
0034  * module may only use this macro once, and calling it replaces
0035  * module_init() and module_exit()
0036  */
0037 #define module_comedi_usb_driver(__comedi_driver, __usb_driver) \
0038     module_driver(__comedi_driver, comedi_usb_driver_register, \
0039             comedi_usb_driver_unregister, &(__usb_driver))
0040
0041 #endif /* _COMEDI_USB_H */