NetBSD/sys/dev/pcmcia/aic_pcmcia.c

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/* $NetBSD: aic_pcmcia.c,v 1.16 2000/02/04 09:31:07 enami Exp $ */
/*
* Copyright (c) 1997 Marc Horowitz. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Marc Horowitz.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/select.h>
#include <sys/device.h>
#include <machine/cpu.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsipiconf.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/ic/aic6360var.h>
#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciavar.h>
#include <dev/pcmcia/pcmciadevs.h>
int aic_pcmcia_match __P((struct device *, struct cfdata *, void *));
void aic_pcmcia_attach __P((struct device *, struct device *, void *));
int aic_pcmcia_detach __P((struct device *, int));
struct aic_pcmcia_softc {
struct aic_softc sc_aic; /* real "aic" softc */
/* PCMCIA-specific goo. */
struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
int sc_io_window; /* our i/o window */
struct pcmcia_function *sc_pf; /* our PCMCIA function */
void *sc_ih; /* interrupt handler */
int sc_flags;
#define AIC_PCMCIA_ATTACH 0x0001 /* attach is in progress */
};
struct cfattach aic_pcmcia_ca = {
sizeof(struct aic_pcmcia_softc), aic_pcmcia_match, aic_pcmcia_attach,
aic_pcmcia_detach, aic_activate
};
int aic_pcmcia_enable __P((void *, int));
const struct pcmcia_product aic_pcmcia_products[] = {
{ PCMCIA_STR_ADAPTEC_APA1460, PCMCIA_VENDOR_ADAPTEC,
PCMCIA_PRODUCT_ADAPTEC_APA1460, 0 },
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{ PCMCIA_STR_ADAPTEC_APA1460A, PCMCIA_VENDOR_ADAPTEC,
PCMCIA_PRODUCT_ADAPTEC_APA1460A, 0 },
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{ PCMCIA_STR_NEWMEDIA_BUSTOASTER, PCMCIA_VENDOR_NEWMEDIA,
PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER, 0 },
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{ NULL }
};
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int
aic_pcmcia_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct pcmcia_attach_args *pa = aux;
if (pcmcia_product_lookup(pa, aic_pcmcia_products,
sizeof aic_pcmcia_products[0], NULL) != NULL)
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return (1);
return (0);
}
void
aic_pcmcia_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct aic_pcmcia_softc *psc = (void *)self;
struct aic_softc *sc = &psc->sc_aic;
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe;
struct pcmcia_function *pf = pa->pf;
const struct pcmcia_product *pp;
psc->sc_pf = pf;
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for (cfe = SIMPLEQ_FIRST(&pf->cfe_head); cfe != NULL;
cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
if (cfe->num_memspace != 0 ||
cfe->num_iospace != 1)
continue;
/*
* The bustoaster has a default config as first
* entry, we don't want to use that.
*/
if (pa->manufacturer == PCMCIA_VENDOR_NEWMEDIA &&
pa->product == PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER &&
cfe->iospace[0].start == 0)
continue;
if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
cfe->iospace[0].length, 0, &psc->sc_pcioh) == 0)
break;
}
if (cfe == 0) {
printf(": can't alloc i/o space\n");
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goto no_config_entry;
}
sc->sc_iot = psc->sc_pcioh.iot;
sc->sc_ioh = psc->sc_pcioh.ioh;
/* Enable the card. */
pcmcia_function_init(pf, cfe);
if (pcmcia_function_enable(pf)) {
printf(": function enable failed\n");
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goto enable_failed;
}
/* Map in the io space */
if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size,
&psc->sc_pcioh, &psc->sc_io_window)) {
printf(": can't map i/o space\n");
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goto iomap_failed;
}
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if (!aic_find(sc->sc_iot, sc->sc_ioh)) {
printf(": unable to detect chip!\n");
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goto no_aic_found;
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}
pp = pcmcia_product_lookup(pa, aic_pcmcia_products,
sizeof aic_pcmcia_products[0], NULL);
if (pp == NULL) {
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printf("\n");
panic("aic_pcmcia_attach: impossible");
}
printf(": %s\n", pp->pp_name);
/* We can enable and disable the controller. */
sc->sc_adapter.scsipi_enable = aic_pcmcia_enable;
psc->sc_flags |= AIC_PCMCIA_ATTACH;
aicattach(sc);
psc->sc_flags &= ~AIC_PCMCIA_ATTACH;
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return;
no_aic_found:
/* Unmap our i/o window. */
pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
iomap_failed:
/* Disable the device. */
pcmcia_function_disable(psc->sc_pf);
enable_failed:
/* Unmap our i/o space. */
pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
no_config_entry:
psc->sc_io_window = -1;
}
int
aic_pcmcia_detach(self, flags)
struct device *self;
int flags;
{
struct aic_pcmcia_softc *sc = (struct aic_pcmcia_softc *)self;
int error;
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if (sc->sc_io_window == -1)
/* Nothing to detach. */
return (0);
if ((error = aic_detach(self, flags)) != 0)
return (error);
/* Unmap our i/o window and i/o space. */
pcmcia_io_unmap(sc->sc_pf, sc->sc_io_window);
pcmcia_io_free(sc->sc_pf, &sc->sc_pcioh);
return (0);
}
int
aic_pcmcia_enable(arg, onoff)
void *arg;
int onoff;
{
struct aic_pcmcia_softc *psc = arg;
if (onoff) {
/* Establish the interrupt handler. */
psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_BIO,
aicintr, &psc->sc_aic);
if (psc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt handler\n",
psc->sc_aic.sc_dev.dv_xname);
return (EIO);
}
/*
* If attach is in progress, we know that card power is
* enabled and chip will be initialized later.
* Otherwise, enable and reset now.
*/
if ((psc->sc_flags & AIC_PCMCIA_ATTACH) == 0) {
if (pcmcia_function_enable(psc->sc_pf)) {
printf("%s: couldn't enable PCMCIA function\n",
psc->sc_aic.sc_dev.dv_xname);
pcmcia_intr_disestablish(psc->sc_pf,
psc->sc_ih);
return (EIO);
}
/* Initialize only chip. */
aic_init(&psc->sc_aic, 0);
}
} else {
pcmcia_function_disable(psc->sc_pf);
pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
}
return (0);
}