1 /* SPDX-License-Identifier: GPL-2.0+ */ 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 9 #ifndef _COMEDI_USB_H 10 #define _COMEDI_USB_H 11 12 #include <linux/usb.h> 13 #include <linux/comedi/comedidev.h> 14 15 struct usb_interface *comedi_to_usb_interface(struct comedi_device *dev); 16 struct usb_device *comedi_to_usb_dev(struct comedi_device *dev); 17 18 int comedi_usb_auto_config(struct usb_interface *intf, 19 struct comedi_driver *driver, unsigned long context); 20 void comedi_usb_auto_unconfig(struct usb_interface *intf); 21 22 int comedi_usb_driver_register(struct comedi_driver *comedi_driver, 23 struct usb_driver *usb_driver); 24 void comedi_usb_driver_unregister(struct comedi_driver *comedi_driver, 25 struct usb_driver *usb_driver); 26 27 /** 28 * module_comedi_usb_driver() - Helper macro for registering a comedi USB driver 29 * @__comedi_driver: comedi_driver struct 30 * @__usb_driver: usb_driver struct 31 * 32 * Helper macro for comedi USB drivers which do not do anything special 33 * in module init/exit. This eliminates a lot of boilerplate. Each 34 * module may only use this macro once, and calling it replaces 35 * module_init() and module_exit() 36 */ 37 #define module_comedi_usb_driver(__comedi_driver, __usb_driver) \ 38 module_driver(__comedi_driver, comedi_usb_driver_register, \ 39 comedi_usb_driver_unregister, &(__usb_driver)) 40 41 #endif /* _COMEDI_USB_H */ 42
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