147 lines
5.0 KiB
C
147 lines
5.0 KiB
C
/*-
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* Copyright 1998 Massachusetts Institute of Technology
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby
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* granted, provided that both the above copyright notice and this
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* permission notice appear in all copies, that both the above
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* copyright notice and this permission notice appear in all
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* supporting documentation, and that the name of M.I.T. not be used
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* in advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission. M.I.T. makes
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
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* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
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* SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*-
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* Copyright 2001 by Thomas Moestl <tmm@FreeBSD.org>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: FreeBSD: src/sys/i386/i386/nexus.c,v 1.43 2001/02/09
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/cons.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/rman.h>
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/*
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* Device interface
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*/
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static int nexus_probe(device_t);
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static int nexus_attach(device_t);
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static int nexus_activate_resource(device_t, device_t, int, int,
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struct resource *);
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static int nexus_deactivate_resource(device_t, device_t, int, int,
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struct resource *);
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static device_method_t nexus_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, nexus_probe),
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DEVMETHOD(device_attach, nexus_attach),
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DEVMETHOD(device_detach, bus_generic_detach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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/* Bus interface. Resource management is business of the children... */
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DEVMETHOD(bus_add_child, bus_generic_add_child),
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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DEVMETHOD(bus_probe_nomatch, NULL),
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DEVMETHOD(bus_read_ivar, NULL),
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DEVMETHOD(bus_write_ivar, NULL),
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DEVMETHOD(bus_setup_intr, NULL),
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DEVMETHOD(bus_teardown_intr, NULL),
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DEVMETHOD(bus_alloc_resource, NULL),
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DEVMETHOD(bus_activate_resource, nexus_activate_resource),
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DEVMETHOD(bus_deactivate_resource, nexus_deactivate_resource),
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DEVMETHOD(bus_release_resource, NULL),
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{ 0, 0 }
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};
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static driver_t nexus_driver = {
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"nexus",
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nexus_methods
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};
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static devclass_t nexus_devclass;
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DRIVER_MODULE(nexus, root, nexus_driver, nexus_devclass, 0, 0);
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static int
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nexus_probe(device_t dev)
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{
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if (!bootverbose)
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device_quiet(dev);
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return (BUS_PROBE_DEFAULT);
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}
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static int
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nexus_attach(device_t dev)
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{
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bus_generic_probe(dev);
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bus_generic_attach(dev);
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return (0);
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}
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static int
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nexus_activate_resource(device_t bus, device_t child, int type, int rid,
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struct resource *res)
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{
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/* Not much to be done yet... */
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return (rman_activate_resource(res));
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}
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static int
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nexus_deactivate_resource(device_t bus, device_t child, int type, int rid,
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struct resource *res)
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{
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/* Not much to be done yet... */
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return (rman_deactivate_resource(res));
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}
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