usb_hub_private.h (2807B) - Raw
1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved. 5 * Copyright (c) 1998 Lennart Augustsson. All rights reserved. 6 * Copyright (c) 2008-2010 Hans Petter Selasky. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /* 31 * USB spec: http://www.usb.org/developers/docs/usbspec.zip 32 */ 33 34 #ifndef USB_HUB_PRIVATE_H_ 35 #define USB_HUB_PRIVATE_H_ 36 #define UHUB_INTR_INTERVAL 250 /* ms */ 37 38 enum { 39 UHUB_INTR_TRANSFER, 40 #if USB_HAVE_TT_SUPPORT 41 UHUB_RESET_TT_TRANSFER, 42 #endif 43 UHUB_N_TRANSFER, 44 }; 45 46 struct uhub_current_state { 47 uint16_t port_change; 48 uint16_t port_status; 49 }; 50 51 struct uhub_softc { 52 struct uhub_current_state sc_st; /* current state */ 53 #if (USB_HAVE_FIXED_PORT != 0) 54 struct usb_hub sc_hub; 55 #endif 56 device_t sc_dev; /* base device */ 57 struct mtx sc_mtx; /* our mutex */ 58 struct usb_device *sc_udev; /* USB device */ 59 struct usb_xfer *sc_xfer[UHUB_N_TRANSFER]; /* interrupt xfer */ 60 #if USB_HAVE_DISABLE_ENUM 61 int sc_disable_enumeration; 62 int sc_disable_port_power; 63 #endif 64 uint8_t sc_usb_port_errors; /* error counter */ 65 #define UHUB_USB_PORT_ERRORS_MAX 4 66 uint8_t sc_flags; 67 #define UHUB_FLAG_DID_EXPLORE 0x01 68 }; 69 struct hub_result { 70 struct usb_device *udev; 71 uint8_t portno; 72 uint8_t iface_index; 73 }; 74 75 void 76 uhub_find_iface_index(struct usb_hub *hub, device_t child, 77 struct hub_result *res); 78 79 device_probe_t uhub_probe; 80 device_attach_t uhub_attach; 81 device_detach_t uhub_detach; 82 bus_child_location_t uhub_child_location; 83 bus_get_device_path_t uhub_get_device_path; 84 85 #endif