260 lines
7.2 KiB
C
260 lines
7.2 KiB
C
/* $NetBSD: aic_pcmcia.c,v 1.18 2001/11/13 07:26:32 lukem Exp $ */
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/*
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* Copyright (c) 1997 Marc Horowitz. 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 Marc Horowitz.
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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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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: aic_pcmcia.c,v 1.18 2001/11/13 07:26:32 lukem Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/select.h>
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#include <sys/device.h>
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#include <machine/cpu.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <dev/scsipi/scsipi_all.h>
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#include <dev/scsipi/scsipiconf.h>
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#include <dev/scsipi/scsi_all.h>
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#include <dev/ic/aic6360var.h>
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#include <dev/pcmcia/pcmciareg.h>
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#include <dev/pcmcia/pcmciavar.h>
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#include <dev/pcmcia/pcmciadevs.h>
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int aic_pcmcia_match __P((struct device *, struct cfdata *, void *));
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void aic_pcmcia_attach __P((struct device *, struct device *, void *));
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int aic_pcmcia_detach __P((struct device *, int));
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struct aic_pcmcia_softc {
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struct aic_softc sc_aic; /* real "aic" softc */
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/* PCMCIA-specific goo. */
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struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
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int sc_io_window; /* our i/o window */
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struct pcmcia_function *sc_pf; /* our PCMCIA function */
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void *sc_ih; /* interrupt handler */
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int sc_flags;
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#define AIC_PCMCIA_ATTACH 0x0001 /* attach is in progress */
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};
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struct cfattach aic_pcmcia_ca = {
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sizeof(struct aic_pcmcia_softc), aic_pcmcia_match, aic_pcmcia_attach,
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aic_pcmcia_detach, aic_activate
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};
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int aic_pcmcia_enable __P((struct device *, int));
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const struct pcmcia_product aic_pcmcia_products[] = {
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{ PCMCIA_STR_ADAPTEC_APA1460, PCMCIA_VENDOR_ADAPTEC,
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PCMCIA_PRODUCT_ADAPTEC_APA1460, 0 },
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{ PCMCIA_STR_ADAPTEC_APA1460A, PCMCIA_VENDOR_ADAPTEC,
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PCMCIA_PRODUCT_ADAPTEC_APA1460A, 0 },
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{ PCMCIA_STR_NEWMEDIA_BUSTOASTER, PCMCIA_VENDOR_NEWMEDIA,
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PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER, 0 },
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{ NULL }
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};
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int
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aic_pcmcia_match(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 pcmcia_attach_args *pa = aux;
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if (pcmcia_product_lookup(pa, aic_pcmcia_products,
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sizeof aic_pcmcia_products[0], NULL) != NULL)
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return (1);
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return (0);
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}
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void
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aic_pcmcia_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 aic_pcmcia_softc *psc = (void *)self;
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struct aic_softc *sc = &psc->sc_aic;
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struct pcmcia_attach_args *pa = aux;
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struct pcmcia_config_entry *cfe;
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struct pcmcia_function *pf = pa->pf;
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const struct pcmcia_product *pp;
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psc->sc_pf = pf;
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for (cfe = SIMPLEQ_FIRST(&pf->cfe_head); cfe != NULL;
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cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
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if (cfe->num_memspace != 0 ||
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cfe->num_iospace != 1)
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continue;
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/*
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* The bustoaster has a default config as first
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* entry, we don't want to use that.
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*/
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if (pa->manufacturer == PCMCIA_VENDOR_NEWMEDIA &&
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pa->product == PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER &&
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cfe->iospace[0].start == 0)
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continue;
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if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
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cfe->iospace[0].length, 0, &psc->sc_pcioh) == 0)
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break;
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}
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if (cfe == 0) {
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printf(": can't alloc i/o space\n");
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goto no_config_entry;
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}
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sc->sc_iot = psc->sc_pcioh.iot;
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sc->sc_ioh = psc->sc_pcioh.ioh;
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/* Enable the card. */
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pcmcia_function_init(pf, cfe);
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if (pcmcia_function_enable(pf)) {
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printf(": function enable failed\n");
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goto enable_failed;
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}
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/* Map in the io space */
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if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size,
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&psc->sc_pcioh, &psc->sc_io_window)) {
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printf(": can't map i/o space\n");
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goto iomap_failed;
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}
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if (!aic_find(sc->sc_iot, sc->sc_ioh)) {
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printf(": unable to detect chip!\n");
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goto no_aic_found;
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}
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pp = pcmcia_product_lookup(pa, aic_pcmcia_products,
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sizeof aic_pcmcia_products[0], NULL);
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if (pp == NULL) {
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printf("\n");
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panic("aic_pcmcia_attach: impossible");
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}
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printf(": %s\n", pp->pp_name);
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/* We can enable and disable the controller. */
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sc->sc_adapter.adapt_enable = aic_pcmcia_enable;
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psc->sc_flags |= AIC_PCMCIA_ATTACH;
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aicattach(sc);
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psc->sc_flags &= ~AIC_PCMCIA_ATTACH;
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return;
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no_aic_found:
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/* Unmap our i/o window. */
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pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
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iomap_failed:
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/* Disable the device. */
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pcmcia_function_disable(psc->sc_pf);
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enable_failed:
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/* Unmap our i/o space. */
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pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
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no_config_entry:
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psc->sc_io_window = -1;
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}
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int
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aic_pcmcia_detach(self, flags)
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struct device *self;
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int flags;
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{
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struct aic_pcmcia_softc *sc = (struct aic_pcmcia_softc *)self;
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int error;
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if (sc->sc_io_window == -1)
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/* Nothing to detach. */
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return (0);
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if ((error = aic_detach(self, flags)) != 0)
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return (error);
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/* Unmap our i/o window and i/o space. */
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pcmcia_io_unmap(sc->sc_pf, sc->sc_io_window);
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pcmcia_io_free(sc->sc_pf, &sc->sc_pcioh);
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return (0);
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}
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int
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aic_pcmcia_enable(self, onoff)
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struct device *self;
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int onoff;
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{
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struct aic_pcmcia_softc *psc = (void *)self;
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if (onoff) {
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/* Establish the interrupt handler. */
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psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_BIO,
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aicintr, &psc->sc_aic);
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if (psc->sc_ih == NULL) {
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printf("%s: couldn't establish interrupt handler\n",
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psc->sc_aic.sc_dev.dv_xname);
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return (EIO);
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}
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/*
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* If attach is in progress, we know that card power is
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* enabled and chip will be initialized later.
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* Otherwise, enable and reset now.
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*/
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if ((psc->sc_flags & AIC_PCMCIA_ATTACH) == 0) {
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if (pcmcia_function_enable(psc->sc_pf)) {
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printf("%s: couldn't enable PCMCIA function\n",
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psc->sc_aic.sc_dev.dv_xname);
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pcmcia_intr_disestablish(psc->sc_pf,
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psc->sc_ih);
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return (EIO);
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}
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/* Initialize only chip. */
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aic_init(&psc->sc_aic, 0);
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}
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} else {
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pcmcia_function_disable(psc->sc_pf);
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pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
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}
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return (0);
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}
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