diff options
Diffstat (limited to 'drivers/staging/comedi/comedi_usb.h')
| -rw-r--r-- | drivers/staging/comedi/comedi_usb.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/staging/comedi/comedi_usb.h b/drivers/staging/comedi/comedi_usb.h new file mode 100644 index 000000000000..721128bece3c --- /dev/null +++ b/drivers/staging/comedi/comedi_usb.h @@ -0,0 +1,50 @@ +/* + * 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> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#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 *); +struct usb_device *comedi_to_usb_dev(struct comedi_device *); + +int comedi_usb_auto_config(struct usb_interface *, struct comedi_driver *, + unsigned long context); +void comedi_usb_auto_unconfig(struct usb_interface *); + +int comedi_usb_driver_register(struct comedi_driver *, struct usb_driver *); +void comedi_usb_driver_unregister(struct comedi_driver *, struct 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 */ |