Current Path : /sys/dev/usb/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/usb/usb_hub.h |
/* $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_ */