112 lines
3.4 KiB
C
112 lines
3.4 KiB
C
/* $NetBSD: wdc_pciide.c,v 1.2 1998/06/08 06:55:58 thorpej Exp $ */
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/*
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* Copyright (c) 1998 Christopher G. Demetriou. 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou
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* for the NetBSD Project.
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* 4. 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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/*
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* Machine-independent ATA/ATAPI ('wdc') driver attachment to PCI IDE
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* controller driver.
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*
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* Author: Christopher G. Demetriou, March 2, 1998.
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*
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* XXX Does not yet support DMA.
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <machine/bus.h>
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#include <dev/ic/wdcvar.h>
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#include <dev/pci/pciidevar.h>
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#include "locators.h"
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struct wdc_pciide_softc {
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struct wdc_softc sc_wdcdev;
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struct wdc_attachment_data sc_ad;
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};
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int wdc_pciide_probe __P((struct device *, struct cfdata *, void *));
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void wdc_pciide_attach __P((struct device *, struct device *, void *));
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struct cfattach wdc_pciide_ca = {
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sizeof(struct wdc_pciide_softc), wdc_pciide_probe, wdc_pciide_attach
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};
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int
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wdc_pciide_probe(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct pciide_attach_args *aa = aux;
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/*
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* Only 'wdc's attach to 'pciide's, so our going-in postion
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* is to succeed.
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*/
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/* If the locators don't match, the match doesn't succeed. */
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if (match->cf_loc[PCIIDECF_CHANNEL] != aa->channel &&
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match->cf_loc[PCIIDECF_CHANNEL] != PCIIDECF_CHANNEL_DEFAULT) {
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return (0);
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}
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return (1);
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}
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void
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wdc_pciide_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct wdc_pciide_softc *sc = (void *)self;
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struct pciide_attach_args *aa = aux;
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printf("\n");
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/* Set up data for wdc attachment. */
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sc->sc_ad.iot = aa->cmd_iot;
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sc->sc_ad.ioh = aa->cmd_ioh;
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sc->sc_ad.auxiot = aa->ctl_iot;
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sc->sc_ad.auxioh = aa->ctl_ioh;
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/* Plug in the interrupt handler. */
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*(aa->ihandp) = wdcintr;
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*(aa->ihandargp) = sc;
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/* XXX Does not yet support DMA. */
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wdcattach(&sc->sc_wdcdev, &sc->sc_ad);
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}
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