| 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 |