freebsd-skq/sys/dev/usb/usbdi_util.h
thompsa 74c6c20b93 - Make struct usb_xfer opaque so that drivers can not access the internals
- Reduce the number of headers needed for a usb driver, the common case is just   usb.h and usbdi.h
2009-06-23 02:19:59 +00:00

82 lines
3.6 KiB
C

/*-
* Copyright (c) 2009 Andrew Thompson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _USB_USBDI_UTIL_H_
#define _USB_USBDI_UTIL_H_
struct cv;
/* structures */
struct usb_idesc_parse_state {
struct usb_descriptor *desc;
uint8_t iface_index; /* current interface index */
uint8_t iface_no_last;
uint8_t iface_index_alt; /* current alternate setting */
};
/* prototypes */
usb_error_t usbd_do_request_proc(struct usb_device *udev, struct usb_process *pproc,
struct usb_device_request *req, void *data, uint16_t flags,
uint16_t *actlen, usb_timeout_t timeout);
struct usb_descriptor *usb_desc_foreach(struct usb_config_descriptor *cd,
struct usb_descriptor *desc);
struct usb_interface_descriptor *usb_idesc_foreach(
struct usb_config_descriptor *cd,
struct usb_idesc_parse_state *ps);
struct usb_endpoint_descriptor *usb_edesc_foreach(
struct usb_config_descriptor *cd,
struct usb_endpoint_descriptor *ped);
uint8_t usbd_get_no_descriptors(struct usb_config_descriptor *cd,
uint8_t type);
uint8_t usbd_get_no_alts(struct usb_config_descriptor *cd,
struct usb_interface_descriptor *id);
usb_error_t usbd_req_get_report(struct usb_device *udev, struct mtx *mtx,
void *data, uint16_t len, uint8_t iface_index, uint8_t type,
uint8_t id);
usb_error_t usbd_req_get_report_descriptor(struct usb_device *udev,
struct mtx *mtx, void *d, uint16_t size,
uint8_t iface_index);
usb_error_t usbd_req_get_string_any(struct usb_device *udev, struct mtx *mtx,
char *buf, uint16_t len, uint8_t string_index);
usb_error_t usbd_req_get_string_desc(struct usb_device *udev, struct mtx *mtx,
void *sdesc, uint16_t max_len, uint16_t lang_id,
uint8_t string_index);
usb_error_t usbd_req_set_config(struct usb_device *udev, struct mtx *mtx,
uint8_t conf);
usb_error_t usbd_req_set_alt_interface_no(struct usb_device *udev,
struct mtx *mtx, uint8_t iface_index, uint8_t alt_no);
usb_error_t usbd_req_set_idle(struct usb_device *udev, struct mtx *mtx,
uint8_t iface_index, uint8_t duration, uint8_t id);
usb_error_t usbd_req_set_protocol(struct usb_device *udev, struct mtx *mtx,
uint8_t iface_index, uint16_t report);
usb_error_t usbd_req_set_report(struct usb_device *udev, struct mtx *mtx,
void *data, uint16_t len, uint8_t iface_index,
uint8_t type, uint8_t id);
#endif /* _USB_USBDI_UTIL_H_ */