FreeBSD/Linux Kernel Cross Reference
sys/dev/mii/mii_fdt.h

     /*-
      * Copyright (c) 2017 Ian Lepore <ian@freebsd.org>
      * All rights reserved.
      *
      * Development sponsored by Microsemi, Inc.
      *
      * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
     *
     * $FreeBSD$
     */
    
    #ifndef _DEV_MII_FDT_H_
    #define _DEV_MII_FDT_H_
    
    /*
     * Common FDT config for a PHY, as documented in the devicetree bindings
     * documents ethernet.txt and phy.txt.  Boolean properties are represented as
     * bits in the flags member.
     */
    struct mii_fdt_phy_config {
            phandle_t       macnode;        /* Node (not xref) of parent MAC */
            phandle_t       phynode;        /* Node (not xref) of PHY */
            mii_contype_t   con_type;       /* MAC<->PHY connection type */
            u_int           max_speed;      /* Mbits/sec, 0 = not specified */
            uint32_t        flags;          /* MIIF_FDT_xxx boolean properties */
    };
    typedef struct mii_fdt_phy_config mii_fdt_phy_config_t;
    
    /* PHY config flags. */
    #define MIIF_FDT_COMPAT_CLAUSE45        0x0001
    #define MIIF_FDT_BROKEN_TURNAROUND      0x0002
    #define MIIF_FDT_LANE_SWAP              0x0004
    #define MIIF_FDT_NO_LANE_SWAP           0x0008
    #define MIIF_FDT_EEE_BROKEN_100TX       0x0010
    #define MIIF_FDT_EEE_BROKEN_1000T       0x0020
    #define MIIF_FDT_EEE_BROKEN_10GT        0x0040
    #define MIIF_FDT_EEE_BROKEN_1000KX      0x0080
    #define MIIF_FDT_EEE_BROKEN_10GKX4      0x0100
    #define MIIF_FDT_EEE_BROKEN_10GKR       0x0200
    
    /*
     * Convert between mii_contype enums and devicetree property strings.
     */
    const char *mii_fdt_contype_to_name(mii_contype_t contype);
    mii_contype_t mii_fdt_contype_from_name(const char *name);
    
    /* Get the connection type from the given MAC node. */
    mii_contype_t mii_fdt_get_contype(phandle_t macnode);
    
    /*
     * Get/free the config for the given PHY device.
     */
    void mii_fdt_free_config(struct mii_fdt_phy_config *cfg);
    mii_fdt_phy_config_t *mii_fdt_get_config(device_t phydev);
    
    #endif

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