FreeBSD/Linux Kernel Cross Reference
sys/dev/fdt/simplebus.h

     /*-
      * Copyright (c) 2013 Nathan Whitehorn
      * 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.
     *
     * $FreeBSD$
     */
    
    #ifndef _FDT_SIMPLEBUS_H
    #define _FDT_SIMPLEBUS_H
    
    #include <dev/ofw/ofw_bus.h>
    
    /* FDT simplebus */
    DECLARE_CLASS(simplebus_driver);
    
    struct simplebus_range {
            uint64_t bus;
            uint64_t host;
            uint64_t size;
    };
    
    /* devinfo and softc */
    struct simplebus_softc {
            device_t dev;
            phandle_t node;
    
            struct simplebus_range *ranges;
            int nranges;
    #define SB_FLAG_NO_RANGES       (1 << 0) /* Bus doesn't have ranges property */
            int flags;
    
            pcell_t acells, scells;
    };
    
    struct simplebus_devinfo {
            struct ofw_bus_devinfo  obdinfo;
            struct resource_list    rl;
    };
    
    void simplebus_init(device_t dev, phandle_t node);
    device_t simplebus_add_device(device_t dev, phandle_t node, u_int order,
        const char *name, int unit, struct simplebus_devinfo *di);
    struct simplebus_devinfo *simplebus_setup_dinfo(device_t dev, phandle_t node,
        struct simplebus_devinfo *di);
    int simplebus_fill_ranges(phandle_t node,
        struct simplebus_softc *sc);
    
    int simplebus_attach(device_t dev);
    int simplebus_attach_impl(device_t dev);
    int simplebus_detach(device_t dev);
    
    #endif  /* _FDT_SIMPLEBUS_H */

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