NetBSD/sys/dev/pcmcia/wdc_pcmcia.c

182 lines
5.4 KiB
C

/* $NetBSD: wdc_pcmcia.c,v 1.2 1998/01/23 01:14:13 mycroft Exp $ */
/*
* Copyright (c) 1994, 1995 Charles M. Hannum. All rights reserved.
*
* DMA and multi-sector PIO handling are derived from code contributed by
* Onno van der Linden.
*
* Atapi support added by Manuel Bouyer.
*
* 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 Charles M. Hannum.
* 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.
*/
#undef ATAPI_DEBUG_WDC
#define WDDEBUG
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/buf.h>
#include <sys/uio.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <sys/disklabel.h>
#include <sys/disk.h>
#include <sys/syslog.h>
#include <sys/proc.h>
#include <vm/vm.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <machine/bus.h>
#include <dev/pcmcia/pcmciavar.h>
#include <dev/isa/isavar.h>
#include <dev/ic/wdcvar.h>
#define WDC_PCMCIA_REG_NPORTS 8
#define WDC_PCMCIA_AUXREG_OFFSET 0x206
#define WDC_PCMCIA_AUXREG_NPORTS 2
struct wdc_pcmcia_softc {
struct wdc_softc sc_wdcdev;
struct wdc_attachment_data sc_ad;
struct pcmcia_io_handle sc_pioh;
struct pcmcia_io_handle sc_auxpioh;
int sc_iowindow;
int sc_auxiowindow;
void *sc_ih;
};
#ifdef __BROKEN_INDIRECT_CONFIG
static int wdc_pcmcia_match __P((struct device *, void *, void *));
#else
static int wdc_pcmcia_match __P((struct device *, struct cfdata *, void *));
#endif
static void wdc_pcmcia_attach __P((struct device *, struct device *, void *));
struct cfattach wdc_pcmcia_ca = {
sizeof(struct wdc_pcmcia_softc), wdc_pcmcia_match, wdc_pcmcia_attach
};
static int
wdc_pcmcia_match(parent, match, aux)
struct device *parent;
#ifdef __BROKEN_INDIRECT_CONFIG
void *match;
#else
struct cfdata *match;
#endif
void *aux;
{
struct pcmcia_attach_args *pa = aux;
if (pa->card->cis1_info[0] != NULL &&
strcmp(pa->card->cis1_info[0], "Digital Equipment Corporation.") == 0 &&
pa->card->cis1_info[1] != NULL &&
strcmp(pa->card->cis1_info[1], "Digital Mobile Media CD-ROM") == 0)
return 1;
return 0;
}
static void
wdc_pcmcia_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct wdc_pcmcia_softc *sc = (void *)self;
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe = pa->pf->cfe_head.sqh_first;
printf("\n");
for (; cfe != NULL; cfe = cfe->cfe_list.sqe_next) {
if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
cfe->iospace[0].length, 0, &sc->sc_pioh))
continue;
if (cfe->num_iospace > 1) {
if (!pcmcia_io_alloc(pa->pf, cfe->iospace[1].start,
cfe->iospace[1].length, 0, &sc->sc_auxpioh)) {
break;
}
} else {
sc->sc_auxpioh.iot = sc->sc_pioh.iot;
if (!bus_space_subregion(sc->sc_pioh.iot, sc->sc_pioh.ioh,
WDC_PCMCIA_REG_NPORTS,
cfe->iospace[0].length - WDC_PCMCIA_REG_NPORTS,
&sc->sc_auxpioh.ioh))
break;
}
pcmcia_chip_io_free(pa->pf->sc->pct, pa->pf->sc->pch, &sc->sc_pioh);
}
if (cfe == NULL) {
printf("%s: can't handle card info\n", self->dv_xname);
return;
}
sc->sc_ad.iot = sc->sc_pioh.iot;
sc->sc_ad.ioh = sc->sc_pioh.ioh;
sc->sc_ad.auxiot = sc->sc_auxpioh.iot;
sc->sc_ad.auxioh = sc->sc_auxpioh.ioh;
/* Enable the card. */
pcmcia_function_init(pa->pf, cfe);
if (pcmcia_function_enable(pa->pf)) {
printf("%s: function enable failed\n", self->dv_xname);
return;
}
if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0,
sc->sc_pioh.size, &sc->sc_pioh,
&sc->sc_iowindow)) {
printf("%s: can't map first I/O space\n", self->dv_xname);
return;
}
if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0,
sc->sc_auxpioh.size, &sc->sc_auxpioh,
&sc->sc_auxiowindow)) {
printf("%s: can't map second I/O space\n", self->dv_xname);
return;
}
sc->sc_ih = pcmcia_intr_establish(pa->pf, IPL_BIO, wdcintr, sc);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt\n", self->dv_xname);
return;
}
wdcattach(&sc->sc_wdcdev, &sc->sc_ad);
}