1 /* $FreeBSD$ */ 2 /*- 3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 13 * 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 24 * SUCH DAMAGE. 25 */ 26 27 #ifndef _USB_HUB_H_ 28 #define _USB_HUB_H_ 29 30 /* 31 * The following structure defines an USB port. 32 */ 33 struct usb_port { 34 uint8_t restartcnt; 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 */ 38 }; 39 40 /* 41 * The following structure defines an USB HUB. 42 */ 43 struct usb_hub { 44 struct usb_device *hubudev; /* the HUB device */ 45 usb_error_t (*explore) (struct usb_device *hub); 46 void *hubsoftc; 47 usb_size_t uframe_usage[USB_HS_MICRO_FRAMES_MAX]; 48 uint16_t portpower; /* mA per USB port */ 49 uint8_t isoc_last_time; 50 uint8_t nports; 51 #if (USB_HAVE_FIXED_PORT == 0) 52 struct usb_port ports[0]; 53 #else 54 struct usb_port ports[USB_MAX_PORTS]; 55 #endif 56 }; 57 58 /* function prototypes */ 59 60 void usb_hs_bandwidth_alloc(struct usb_xfer *xfer); 61 void usb_hs_bandwidth_free(struct usb_xfer *xfer); 62 void usb_bus_port_set_device(struct usb_bus *bus, struct usb_port *up, 63 struct usb_device *udev, uint8_t device_index); 64 struct usb_device *usb_bus_port_get_device(struct usb_bus *bus, 65 struct usb_port *up); 66 void usb_needs_explore(struct usb_bus *bus, uint8_t do_probe); 67 void usb_needs_explore_all(void); 68 void usb_bus_power_update(struct usb_bus *bus); 69 void usb_bus_powerd(struct usb_bus *bus); 70 void uhub_root_intr(struct usb_bus *, const uint8_t *, uint8_t); 71 usb_error_t uhub_query_info(struct usb_device *, uint8_t *, uint8_t *); 72 73 #endif /* _USB_HUB_H_ */ 74