1 /* 2 * comedi_usb.h 3 * header file for USB Comedi drivers 4 * 5 * COMEDI - Linux Control and Measurement Device Interface 6 * Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 */ 18 19 #ifndef _COMEDI_USB_H 20 #define _COMEDI_USB_H 21 22 #include <linux/usb.h> 23 24 #include "comedidev.h" 25 26 struct usb_interface *comedi_to_usb_interface(struct comedi_device *); 27 struct usb_device *comedi_to_usb_dev(struct comedi_device *); 28 29 int comedi_usb_auto_config(struct usb_interface *, struct comedi_driver *, 30 unsigned long context); 31 void comedi_usb_auto_unconfig(struct usb_interface *); 32 33 int comedi_usb_driver_register(struct comedi_driver *, struct usb_driver *); 34 void comedi_usb_driver_unregister(struct comedi_driver *, struct usb_driver *); 35 36 /** 37 * module_comedi_usb_driver() - Helper macro for registering a comedi USB driver 38 * @__comedi_driver: comedi_driver struct 39 * @__usb_driver: usb_driver struct 40 * 41 * Helper macro for comedi USB drivers which do not do anything special 42 * in module init/exit. This eliminates a lot of boilerplate. Each 43 * module may only use this macro once, and calling it replaces 44 * module_init() and module_exit() 45 */ 46 #define module_comedi_usb_driver(__comedi_driver, __usb_driver) \ 47 module_driver(__comedi_driver, comedi_usb_driver_register, \ 48 comedi_usb_driver_unregister, &(__usb_driver)) 49 50 #endif /* _COMEDI_USB_H */ 51