NetBSD/sys/dev/pcmcia/if_cs_pcmcia.c

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/* $NetBSD: if_cs_pcmcia.c,v 1.5 2002/10/02 16:52:10 thorpej Exp $ */
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/*-
* Copyright (c)2001 YAMAMOTO Takashi,
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_cs_pcmcia.c,v 1.5 2002/10/02 16:52:10 thorpej Exp $");
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#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/socket.h>
#include <sys/queue.h>
#include "rnd.h"
#if NRND > 0
#include <sys/rnd.h>
#endif
#include <net/if.h>
#include <net/if_ether.h>
#include <net/if_media.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciavar.h>
#include <dev/pcmcia/pcmciadevs.h>
#include <dev/ic/cs89x0reg.h>
#include <dev/ic/cs89x0var.h>
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#define DEVNAME(sc) ((sc)->sc_dev.dv_xname)
struct cs_pcmcia_softc;
static int cs_pcmcia_match(struct device *, struct cfdata *, void *);
static void cs_pcmcia_attach(struct device *, struct device *, void *);
static int cs_pcmcia_detach(struct device *, int);
static int cs_pcmcia_enable(struct cs_softc *);
static void cs_pcmcia_disable(struct cs_softc *);
struct cs_pcmcia_softc {
struct cs_softc sc_cs; /* real "cs" softc */
struct pcmcia_io_handle sc_pcioh;
struct pcmcia_function *sc_pf;
int sc_io_window;
int sc_flags;
};
#define CS_PCMCIA_FLAGS_IO_ALLOCATED 1
#define CS_PCMCIA_FLAGS_IO_MAPPED 2
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CFATTACH_DECL(cs_pcmcia, sizeof(struct cs_pcmcia_softc),
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cs_pcmcia_match, cs_pcmcia_attach, cs_pcmcia_detach, cs_activate);
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static int
cs_pcmcia_match(struct device *parent, struct cfdata *match, void *aux)
{
struct pcmcia_attach_args *pa = aux;
if (pa->card->manufacturer == PCMCIA_VENDOR_IBM
&& pa->card->product == PCMCIA_PRODUCT_IBM_ETHERJET)
return 1;
return 0;
}
static void
cs_pcmcia_attach(struct device *parent, struct device *self, void *aux)
{
struct cs_pcmcia_softc *psc = (void *)self;
struct cs_softc *sc = (void *)&psc->sc_cs;
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe;
struct pcmcia_function *pf;
char devinfo[256];
/* Print out what we are. */
pcmcia_devinfo(&pa->pf->sc->card, 0, devinfo, sizeof(devinfo));
printf(": %s\n", devinfo);
pf = psc->sc_pf = pa->pf;
cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head);
if (cfe->num_iospace != 1) {
printf("%s: unexpected number of iospace(%d)\n",
DEVNAME(sc), cfe->num_iospace);
goto fail;
}
if (cfe->iospace[0].length < CS8900_IOSIZE) {
printf("%s: unexpected iosize(%lu)\n",
DEVNAME(sc), cfe->iospace[0].length);
goto fail;
}
if (cfe->num_memspace != 0) {
printf("%s: unexpected number of memspace(%d)\n",
DEVNAME(sc), cfe->num_memspace);
goto fail;
}
if (pcmcia_io_alloc(pf, cfe->iospace[0].start,
cfe->iospace[0].length, cfe->iospace[0].length,
&psc->sc_pcioh) != 0) {
printf("%s: can't allocate i/o space %lx:%lx\n", DEVNAME(sc),
cfe->iospace[0].start, cfe->iospace[0].length);
goto fail;
}
psc->sc_flags |= CS_PCMCIA_FLAGS_IO_ALLOCATED;
sc->sc_iot = psc->sc_pcioh.iot;
sc->sc_ioh = psc->sc_pcioh.ioh;
sc->sc_irq = -1;
#define CS_PCMCIA_HACK_FOR_CARDBUS
#ifdef CS_PCMCIA_HACK_FOR_CARDBUS
/*
* XXX is there a generic way to know if it's a cardbus or not?
*/
sc->sc_cfgflags |= CFGFLG_CARDBUS_HACK;
#endif
sc->sc_enable = cs_pcmcia_enable;
sc->sc_disable = cs_pcmcia_disable;
pcmcia_function_init(pa->pf, cfe);
if (cs_pcmcia_enable(sc))
goto fail;
/* chip attach */
if (cs_attach(sc, 0, 0, 0, 0))
goto fail;
cs_pcmcia_disable(sc);
return;
fail:
cs_pcmcia_detach((struct device *)psc, 0);
return;
}
static int
cs_pcmcia_detach(struct device *self, int flags)
{
struct cs_pcmcia_softc *psc = (void *)self;
struct cs_softc *sc = &psc->sc_cs;
struct pcmcia_function *pf = psc->sc_pf;
int rv;
rv = cs_detach(sc);
if (rv)
return rv;
cs_pcmcia_disable(sc);
if (psc->sc_flags & CS_PCMCIA_FLAGS_IO_ALLOCATED) {
pcmcia_io_free(pf, &psc->sc_pcioh);
psc->sc_flags &= ~CS_PCMCIA_FLAGS_IO_ALLOCATED;
}
return 0;
}
static int
cs_pcmcia_enable(struct cs_softc *sc)
{
struct cs_pcmcia_softc *psc = (void *)sc;
struct pcmcia_function *pf = psc->sc_pf;
if (pcmcia_io_map(pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size,
&psc->sc_pcioh, &psc->sc_io_window) != 0) {
printf("%s: can't map i/o space\n", DEVNAME(sc));
goto fail;
}
psc->sc_flags |= CS_PCMCIA_FLAGS_IO_MAPPED;
if (pcmcia_function_enable(pf)) {
printf("%s: can't enable function\n", DEVNAME(sc));
goto fail;
}
sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, cs_intr, sc);
if (sc->sc_ih == 0) {
printf("%s: can't establish interrupt\n", DEVNAME(sc));
goto fail;
}
return 0;
fail:
return EIO;
}
static void
cs_pcmcia_disable(struct cs_softc *sc)
{
struct cs_pcmcia_softc *psc = (void *)sc;
struct pcmcia_function *pf = psc->sc_pf;
if (sc->sc_ih != 0) {
pcmcia_intr_disestablish(pf, sc->sc_ih);
sc->sc_ih = 0;
}
pcmcia_function_disable(pf);
if (psc->sc_flags & CS_PCMCIA_FLAGS_IO_MAPPED) {
pcmcia_io_unmap(pf, psc->sc_io_window);
psc->sc_flags &= ~CS_PCMCIA_FLAGS_IO_MAPPED;
}
}