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/* $FreeBSD: release/9.1.0/sys/dev/usb/usb_hub.h 235001 2012-05-04 15:10:49Z hselasky $ */
/*-
* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
*
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*/
#ifndef _USB_HUB_H_
#define _USB_HUB_H_
/*
* The following structure defines an USB port.
*/
struct usb_port {
uint8_t restartcnt;
#define USB_RESTART_MAX 5
uint8_t device_index; /* zero means not valid */
enum usb_hc_mode usb_mode; /* host or device mode */
};
/*
* The following structure defines an USB HUB.
*/
struct usb_hub {
struct usb_device *hubudev; /* the HUB device */
usb_error_t (*explore) (struct usb_device *hub);
void *hubsoftc;
usb_size_t uframe_usage[USB_HS_MICRO_FRAMES_MAX];
uint16_t portpower; /* mA per USB port */
uint8_t isoc_last_time;
uint8_t nports;
struct usb_port ports[0];
};
/* function prototypes */
void usb_hs_bandwidth_alloc(struct usb_xfer *xfer);
void usb_hs_bandwidth_free(struct usb_xfer *xfer);
void usb_bus_port_set_device(struct usb_bus *bus, struct usb_port *up,
struct usb_device *udev, uint8_t device_index);
struct usb_device *usb_bus_port_get_device(struct usb_bus *bus,
struct usb_port *up);
void usb_needs_explore(struct usb_bus *bus, uint8_t do_probe);
void usb_needs_explore_all(void);
void usb_bus_power_update(struct usb_bus *bus);
void usb_bus_powerd(struct usb_bus *bus);
void uhub_root_intr(struct usb_bus *, const uint8_t *, uint8_t);
usb_error_t uhub_query_info(struct usb_device *, uint8_t *, uint8_t *);
#endif /* _USB_HUB_H_ */