1 /* $FreeBSD$ */
2 /*-
3 * SPDX-License-Identifier: BSD-2-Clause-NetBSD
4 *
5 * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
6 * Copyright (c) 1998 Lennart Augustsson. All rights reserved.
7 * Copyright (c) 2008-2010 Hans Petter Selasky. All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 /*
32 * USB spec: http://www.usb.org/developers/docs/usbspec.zip
33 */
34
35 #ifndef USB_HUB_PRIVATE_H_
36 #define USB_HUB_PRIVATE_H_
37 #define UHUB_INTR_INTERVAL 250 /* ms */
38
39 enum {
40 UHUB_INTR_TRANSFER,
41 #if USB_HAVE_TT_SUPPORT
42 UHUB_RESET_TT_TRANSFER,
43 #endif
44 UHUB_N_TRANSFER,
45 };
46
47 struct uhub_current_state {
48 uint16_t port_change;
49 uint16_t port_status;
50 };
51
52 struct uhub_softc {
53 struct uhub_current_state sc_st; /* current state */
54 #if (USB_HAVE_FIXED_PORT != 0)
55 struct usb_hub sc_hub;
56 #endif
57 device_t sc_dev; /* base device */
58 struct mtx sc_mtx; /* our mutex */
59 struct usb_device *sc_udev; /* USB device */
60 struct usb_xfer *sc_xfer[UHUB_N_TRANSFER]; /* interrupt xfer */
61 #if USB_HAVE_DISABLE_ENUM
62 int sc_disable_enumeration;
63 int sc_disable_port_power;
64 #endif
65 uint8_t sc_usb_port_errors; /* error counter */
66 #define UHUB_USB_PORT_ERRORS_MAX 4
67 uint8_t sc_flags;
68 #define UHUB_FLAG_DID_EXPLORE 0x01
69 };
70 struct hub_result {
71 struct usb_device *udev;
72 uint8_t portno;
73 uint8_t iface_index;
74 };
75
76 void
77 uhub_find_iface_index(struct usb_hub *hub, device_t child,
78 struct hub_result *res);
79
80 device_probe_t uhub_probe;
81 device_attach_t uhub_attach;
82 device_detach_t uhub_detach;
83 bus_child_location_t uhub_child_location;
84 bus_get_device_path_t uhub_get_device_path;
85
86 #endif
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