109 lines
3.7 KiB
C
109 lines
3.7 KiB
C
/*-
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* Copyright (c) 1998,1999,2000,2001 Søren Schmidt <sos@FreeBSD.org>
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* 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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* without modification, immediately at the beginning of the file.
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/disk.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/bio.h>
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#include <sys/malloc.h>
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#include <sys/devicestat.h>
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#include <sys/sysctl.h>
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#include <machine/stdarg.h>
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#include <machine/resource.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <dev/ata/ata-all.h>
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static int
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ata_pccard_probe(device_t dev)
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{
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struct ata_softc *scp = device_get_softc(dev);
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struct resource *io;
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int rid, len, start, end;
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u_long tmp;
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/* allocate the io range to get start and length */
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rid = ATA_IOADDR_RID;
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len = bus_get_resource_count(dev, SYS_RES_IOPORT, rid);
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io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
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ATA_IOSIZE, RF_ACTIVE);
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if (!io)
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return ENOMEM;
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/* reallocate the io address to only cover the io ports */
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start = rman_get_start(io);
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end = start + ATA_IOSIZE - 1;
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bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
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io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
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start, end, ATA_IOSIZE, RF_ACTIVE);
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bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
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/*
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* if we got more than the default ATA_IOSIZE ports, this is likely
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* a pccard system where the altio ports are located at offset 14
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* otherwise its the normal altio offset
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*/
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if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, &tmp, &tmp)) {
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if (len > ATA_IOSIZE) {
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bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
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start + ATA_PCCARD_ALTOFFSET, ATA_ALTIOSIZE);
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}
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else {
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bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
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start + ATA_ALTOFFSET, ATA_ALTIOSIZE);
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}
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}
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else
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return ENOMEM;
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scp->channel = 0;
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scp->flags |= (ATA_USE_16BIT | ATA_NO_SLAVE);
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return ata_probe(dev);
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}
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static device_method_t ata_pccard_methods[] = {
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/* device interface */
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DEVMETHOD(device_probe, ata_pccard_probe),
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DEVMETHOD(device_attach, ata_attach),
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DEVMETHOD(device_detach, ata_detach),
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{ 0, 0 }
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};
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static driver_t ata_pccard_driver = {
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"ata",
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ata_pccard_methods,
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sizeof(struct ata_softc),
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};
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DRIVER_MODULE(ata, pccard, ata_pccard_driver, ata_devclass, 0, 0);
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