FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/usb_hub_private.h

     /* $FreeBSD$ */
     /*-
      * SPDX-License-Identifier: BSD-2-Clause-NetBSD
      *
      * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
      * Copyright (c) 1998 Lennart Augustsson. All rights reserved.
      * Copyright (c) 2008-2010 Hans Petter Selasky. All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     */
    
    /*
     * USB spec: http://www.usb.org/developers/docs/usbspec.zip
     */
    
    #ifndef USB_HUB_PRIVATE_H_
    #define    USB_HUB_PRIVATE_H_
    #define UHUB_INTR_INTERVAL 250          /* ms */
    
    enum {
            UHUB_INTR_TRANSFER,
    #if USB_HAVE_TT_SUPPORT
            UHUB_RESET_TT_TRANSFER,
    #endif
            UHUB_N_TRANSFER,
    };
    
    struct uhub_current_state {
            uint16_t port_change;
            uint16_t port_status;
    };
    
    struct uhub_softc {
            struct uhub_current_state sc_st;        /* current state */
    #if (USB_HAVE_FIXED_PORT != 0)
            struct usb_hub sc_hub;
    #endif
            device_t sc_dev;                /* base device */
            struct mtx sc_mtx;              /* our mutex */
            struct usb_device *sc_udev;     /* USB device */
            struct usb_xfer *sc_xfer[UHUB_N_TRANSFER];      /* interrupt xfer */
    #if USB_HAVE_DISABLE_ENUM
            int     sc_disable_enumeration;
            int     sc_disable_port_power;
    #endif
            uint8_t sc_usb_port_errors;     /* error counter */
    #define UHUB_USB_PORT_ERRORS_MAX 4
            uint8_t sc_flags;
    #define UHUB_FLAG_DID_EXPLORE 0x01
    };
    struct hub_result {
            struct usb_device *udev;
            uint8_t portno;
            uint8_t iface_index;
    };
    
    void
    uhub_find_iface_index(struct usb_hub *hub, device_t child,
        struct hub_result *res);
    
    device_probe_t uhub_probe;
    device_attach_t uhub_attach;
    device_detach_t uhub_detach;
    bus_child_location_t uhub_child_location;
    bus_get_device_path_t uhub_get_device_path;
    
    #endif

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