FreeBSD/Linux Kernel Cross Reference
sys/dev/bhnd/cores/pcie2/bhnd_pcie2_hostbvar.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2015-2016 Landon Fuller <landon@landonf.org>
      * 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,
     *    without modification.
     * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
     *    redistribution must be conditioned upon including a substantially
     *    similar Disclaimer requirement for further binary redistribution.
     *
     * NO WARRANTY
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
     * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
     * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
     * 
     * $FreeBSD$
     */
    
    #ifndef _BHND_CORES_PCIE2_BHND_PCI_HOSTBVAR_H_
    #define _BHND_CORES_PCIE2_BHND_PCI_HOSTBVAR_H_
    
    /*
     * PCIe-Gen2 Host Bridge definitions.
     */
    
    #include <sys/param.h>
    #include <sys/bus.h>
    
    #include "bhnd_pcie2_var.h"
    
    DECLARE_CLASS(bhnd_pcie2_hostb_driver);
    
    /* 
     * PCIe-Gen2 endpoint-mode device quirks
     */
    enum {
            /**
             * The PCIe SerDes output should be configured with an amplitude of
             * 1214mVpp and a differential output de-emphasis of -8.46dB.
             *
             * The exact issue this workaround resolves is unknown.
             */
            BHND_PCIE2_QUIRK_SERDES_TXDRV_DEEMPH    = (1<<0),
    };
    
    /**
     * bhnd_pci_hostb driver instance state.
     */
    struct bhnd_pcie2hb_softc {
            struct bhnd_pcie2_softc common;         /**< common bhnd_pcie2 state */
            device_t                dev;
            device_t                pci_dev;        /**< host PCI device */
            uint32_t                quirks;         /**< hostb device quirks */
    };
    
    #endif /* _BHND_CORES_PCIE2_BHND_PCI_HOSTBVAR_H_ */

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