3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * The following structure defines an USB port.
37 #define USB_RESTART_MAX 5
38 uint8_t device_index; /* zero means not valid */
39 enum usb_hc_mode usb_mode; /* host or device mode */
40 #if USB_HAVE_TT_SUPPORT
41 struct usb_device_request req_reset_tt __aligned(4);
46 * The following structure defines an USB HUB.
49 struct usb_device *hubudev; /* the HUB device */
50 usb_error_t (*explore) (struct usb_device *hub);
52 #if USB_HAVE_TT_SUPPORT
53 struct usb_udev_msg tt_msg[2];
55 usb_size_t uframe_usage[USB_HS_MICRO_FRAMES_MAX];
56 uint16_t portpower; /* mA per USB port */
57 uint8_t isoc_last_time;
59 #if (USB_HAVE_FIXED_PORT == 0)
60 struct usb_port ports[0];
62 struct usb_port ports[USB_MAX_PORTS];
66 /* function prototypes */
68 void usb_hs_bandwidth_alloc(struct usb_xfer *xfer);
69 void usb_hs_bandwidth_free(struct usb_xfer *xfer);
70 void usb_bus_port_set_device(struct usb_bus *bus, struct usb_port *up,
71 struct usb_device *udev, uint8_t device_index);
72 struct usb_device *usb_bus_port_get_device(struct usb_bus *bus,
74 void usb_needs_explore(struct usb_bus *bus, uint8_t do_probe);
75 void usb_needs_explore_all(void);
76 void usb_bus_power_update(struct usb_bus *bus);
77 void usb_bus_powerd(struct usb_bus *bus);
78 void uhub_root_intr(struct usb_bus *, const uint8_t *, uint8_t);
79 usb_error_t uhub_query_info(struct usb_device *, uint8_t *, uint8_t *);
80 void uhub_explore_handle_re_enumerate(struct usb_device *);
82 #endif /* _USB_HUB_H_ */