3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * The following structure defines an USB port.
35 #define USB_RESTART_MAX 5
36 uint8_t device_index; /* zero means not valid */
37 enum usb_hc_mode usb_mode; /* host or device mode */
41 * The following structure defines how many bytes are
42 * left in an 1ms USB time slot.
44 struct usb_fs_isoc_schedule {
51 * The following structure defines an USB HUB.
54 #if USB_HAVE_TT_SUPPORT
55 struct usb_fs_isoc_schedule fs_isoc_schedule[USB_ISOC_TIME_MAX];
57 struct usb_device *hubudev; /* the HUB device */
58 usb_error_t (*explore) (struct usb_device *hub);
60 usb_size_t uframe_usage[USB_HS_MICRO_FRAMES_MAX];
61 uint16_t portpower; /* mA per USB port */
62 uint8_t isoc_last_time;
64 struct usb_port ports[0];
67 /* function prototypes */
69 uint8_t usb_intr_schedule_adjust(struct usb_device *udev, int16_t len,
71 void usbd_fs_isoc_schedule_init_all(struct usb_fs_isoc_schedule *fss);
72 void usb_bus_port_set_device(struct usb_bus *bus, struct usb_port *up,
73 struct usb_device *udev, uint8_t device_index);
74 struct usb_device *usb_bus_port_get_device(struct usb_bus *bus,
76 void usb_needs_explore(struct usb_bus *bus, uint8_t do_probe);
77 void usb_needs_explore_all(void);
78 void usb_bus_power_update(struct usb_bus *bus);
79 void usb_bus_powerd(struct usb_bus *bus);
80 void uhub_root_intr(struct usb_bus *, const uint8_t *, uint8_t);
82 #endif /* _USB_HUB_H_ */