240 lines
6.1 KiB
C
240 lines
6.1 KiB
C
/* $NetBSD: if_cs_pcmcia.c,v 1.5 2002/10/02 16:52:10 thorpej Exp $ */
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/*-
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* Copyright (c)2001 YAMAMOTO Takashi,
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* 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#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>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/socket.h>
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#include <sys/queue.h>
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#include "rnd.h"
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#if NRND > 0
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#include <sys/rnd.h>
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#endif
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#include <net/if.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
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#include <machine/bus.h>
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#include <machine/intr.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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#include <dev/ic/cs89x0reg.h>
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#include <dev/ic/cs89x0var.h>
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#define DEVNAME(sc) ((sc)->sc_dev.dv_xname)
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struct cs_pcmcia_softc;
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static int cs_pcmcia_match(struct device *, struct cfdata *, void *);
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static void cs_pcmcia_attach(struct device *, struct device *, void *);
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static int cs_pcmcia_detach(struct device *, int);
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static int cs_pcmcia_enable(struct cs_softc *);
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static void cs_pcmcia_disable(struct cs_softc *);
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struct cs_pcmcia_softc {
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struct cs_softc sc_cs; /* real "cs" softc */
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struct pcmcia_io_handle sc_pcioh;
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struct pcmcia_function *sc_pf;
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int sc_io_window;
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int sc_flags;
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};
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#define CS_PCMCIA_FLAGS_IO_ALLOCATED 1
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#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
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cs_pcmcia_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct pcmcia_attach_args *pa = aux;
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if (pa->card->manufacturer == PCMCIA_VENDOR_IBM
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&& pa->card->product == PCMCIA_PRODUCT_IBM_ETHERJET)
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return 1;
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return 0;
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}
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static void
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cs_pcmcia_attach(struct device *parent, struct device *self, void *aux)
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{
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struct cs_pcmcia_softc *psc = (void *)self;
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struct cs_softc *sc = (void *)&psc->sc_cs;
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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;
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char devinfo[256];
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/* Print out what we are. */
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pcmcia_devinfo(&pa->pf->sc->card, 0, devinfo, sizeof(devinfo));
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printf(": %s\n", devinfo);
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pf = psc->sc_pf = pa->pf;
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cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head);
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if (cfe->num_iospace != 1) {
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printf("%s: unexpected number of iospace(%d)\n",
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DEVNAME(sc), cfe->num_iospace);
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goto fail;
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}
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if (cfe->iospace[0].length < CS8900_IOSIZE) {
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printf("%s: unexpected iosize(%lu)\n",
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DEVNAME(sc), cfe->iospace[0].length);
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goto fail;
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}
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if (cfe->num_memspace != 0) {
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printf("%s: unexpected number of memspace(%d)\n",
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DEVNAME(sc), cfe->num_memspace);
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goto fail;
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}
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if (pcmcia_io_alloc(pf, cfe->iospace[0].start,
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cfe->iospace[0].length, cfe->iospace[0].length,
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&psc->sc_pcioh) != 0) {
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printf("%s: can't allocate i/o space %lx:%lx\n", DEVNAME(sc),
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cfe->iospace[0].start, cfe->iospace[0].length);
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goto fail;
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}
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psc->sc_flags |= CS_PCMCIA_FLAGS_IO_ALLOCATED;
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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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sc->sc_irq = -1;
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#define CS_PCMCIA_HACK_FOR_CARDBUS
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#ifdef CS_PCMCIA_HACK_FOR_CARDBUS
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/*
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* XXX is there a generic way to know if it's a cardbus or not?
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*/
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sc->sc_cfgflags |= CFGFLG_CARDBUS_HACK;
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#endif
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sc->sc_enable = cs_pcmcia_enable;
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sc->sc_disable = cs_pcmcia_disable;
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pcmcia_function_init(pa->pf, cfe);
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if (cs_pcmcia_enable(sc))
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goto fail;
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/* chip attach */
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if (cs_attach(sc, 0, 0, 0, 0))
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goto fail;
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cs_pcmcia_disable(sc);
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return;
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fail:
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cs_pcmcia_detach((struct device *)psc, 0);
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return;
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}
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static int
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cs_pcmcia_detach(struct device *self, int flags)
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{
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struct cs_pcmcia_softc *psc = (void *)self;
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struct cs_softc *sc = &psc->sc_cs;
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struct pcmcia_function *pf = psc->sc_pf;
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int rv;
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rv = cs_detach(sc);
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if (rv)
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return rv;
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cs_pcmcia_disable(sc);
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if (psc->sc_flags & CS_PCMCIA_FLAGS_IO_ALLOCATED) {
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pcmcia_io_free(pf, &psc->sc_pcioh);
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psc->sc_flags &= ~CS_PCMCIA_FLAGS_IO_ALLOCATED;
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}
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return 0;
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}
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static int
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cs_pcmcia_enable(struct cs_softc *sc)
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{
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struct cs_pcmcia_softc *psc = (void *)sc;
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struct pcmcia_function *pf = psc->sc_pf;
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if (pcmcia_io_map(pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size,
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&psc->sc_pcioh, &psc->sc_io_window) != 0) {
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printf("%s: can't map i/o space\n", DEVNAME(sc));
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goto fail;
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}
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psc->sc_flags |= CS_PCMCIA_FLAGS_IO_MAPPED;
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if (pcmcia_function_enable(pf)) {
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printf("%s: can't enable function\n", DEVNAME(sc));
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goto fail;
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}
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sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, cs_intr, sc);
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if (sc->sc_ih == 0) {
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printf("%s: can't establish interrupt\n", DEVNAME(sc));
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goto fail;
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}
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return 0;
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fail:
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return EIO;
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}
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static void
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cs_pcmcia_disable(struct cs_softc *sc)
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{
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struct cs_pcmcia_softc *psc = (void *)sc;
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struct pcmcia_function *pf = psc->sc_pf;
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if (sc->sc_ih != 0) {
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pcmcia_intr_disestablish(pf, sc->sc_ih);
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sc->sc_ih = 0;
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}
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pcmcia_function_disable(pf);
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if (psc->sc_flags & CS_PCMCIA_FLAGS_IO_MAPPED) {
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pcmcia_io_unmap(pf, psc->sc_io_window);
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psc->sc_flags &= ~CS_PCMCIA_FLAGS_IO_MAPPED;
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}
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}
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