NetBSD/sys/dev/pcmcia/if_ep_pcmcia.c

385 lines
10 KiB
C

/* $NetBSD: if_ep_pcmcia.c,v 1.16 1998/08/17 23:20:40 thorpej Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* 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 "opt_inet.h"
#include "opt_ns.h"
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/syslog.h>
#include <sys/select.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_ether.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_inarp.h>
#endif
#ifdef NS
#include <netns/ns.h>
#include <netns/ns_if.h>
#endif
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
#include <machine/cpu.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/mii/miivar.h>
#include <dev/ic/elink3var.h>
#include <dev/ic/elink3reg.h>
#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciavar.h>
#include <dev/pcmcia/pcmciadevs.h>
int ep_pcmcia_match __P((struct device *, struct cfdata *, void *));
void ep_pcmcia_attach __P((struct device *, struct device *, void *));
int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *));
int ep_pcmcia_enable __P((struct ep_softc *));
void ep_pcmcia_disable __P((struct ep_softc *));
int ep_pcmcia_enable1 __P((struct ep_softc *));
void ep_pcmcia_disable1 __P((struct ep_softc *));
struct ep_pcmcia_softc {
struct ep_softc sc_ep; /* real "ep" 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 */
};
struct cfattach ep_pcmcia_ca = {
sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach
};
struct ep_pcmcia_product {
u_int32_t epp_product; /* PCMCIA product ID */
u_short epp_chipset; /* 3Com chipset used */
int epp_flags; /* initial softc flags */
int epp_expfunc; /* expected function */
const char *epp_name; /* device name */
} ep_pcmcia_products[] = {
{ PCMCIA_PRODUCT_3COM_3C562, EP_CHIPSET_3C509,
0, 0,
PCMCIA_STR_3COM_3C562 },
{ PCMCIA_PRODUCT_3COM_3C589, EP_CHIPSET_3C509,
0, 0,
PCMCIA_STR_3COM_3C589 },
{ PCMCIA_PRODUCT_3COM_3C574, EP_CHIPSET_ROADRUNNER,
EP_FLAGS_MII, 0,
PCMCIA_STR_3COM_3C574 },
{ 0, 0,
0, 0,
NULL },
};
struct ep_pcmcia_product *ep_pcmcia_lookup __P((struct pcmcia_attach_args *));
struct ep_pcmcia_product *
ep_pcmcia_lookup(pa)
struct pcmcia_attach_args *pa;
{
struct ep_pcmcia_product *epp;
for (epp = ep_pcmcia_products; epp->epp_name != NULL; epp++)
if (pa->product == epp->epp_product &&
pa->pf->number == epp->epp_expfunc)
return (epp);
return (NULL);
}
int
ep_pcmcia_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct pcmcia_attach_args *pa = aux;
if (pa->manufacturer != PCMCIA_VENDOR_3COM)
return (0);
if (ep_pcmcia_lookup(pa) != NULL)
return (1);
return (0);
}
int
ep_pcmcia_enable(sc)
struct ep_softc *sc;
{
struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
struct pcmcia_function *pf = psc->sc_pf;
/* establish the interrupt. */
sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt\n",
sc->sc_dev.dv_xname);
return (1);
}
return (ep_pcmcia_enable1(sc));
}
int
ep_pcmcia_enable1(sc)
struct ep_softc *sc;
{
struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
struct pcmcia_function *pf = psc->sc_pf;
int ret;
if ((ret = pcmcia_function_enable(pf)))
return (ret);
if (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) {
int reg;
/* turn off the serial-disable bit */
reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
if (reg & 0x08) {
reg &= ~0x08;
pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
}
}
return (ret);
}
void
ep_pcmcia_disable(sc)
struct ep_softc *sc;
{
struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
ep_pcmcia_disable1(sc);
pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
}
void
ep_pcmcia_disable1(sc)
struct ep_softc *sc;
{
struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
pcmcia_function_disable(psc->sc_pf);
}
void
ep_pcmcia_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ep_pcmcia_softc *psc = (void *) self;
struct ep_softc *sc = &psc->sc_ep;
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe;
struct ep_pcmcia_product *epp;
u_int8_t myla[ETHER_ADDR_LEN];
u_int8_t *enaddr = NULL;
int i;
psc->sc_pf = pa->pf;
cfe = pa->pf->cfe_head.sqh_first;
/* Enable the card. */
pcmcia_function_init(pa->pf, cfe);
if (ep_pcmcia_enable1(sc))
printf(": function enable failed\n");
sc->enabled = 1;
if (cfe->num_memspace != 0)
printf(": unexpected number of memory spaces %d should be 0\n",
cfe->num_memspace);
if (cfe->num_iospace != 1)
printf(": unexpected number of I/O spaces %d should be 1\n",
cfe->num_iospace);
if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize);
for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) {
/*
* the 3c562 can only use 0x??00-0x??7f
* according to the Linux driver
*/
if (i & 0x80)
continue;
if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length,
0, &psc->sc_pcioh) == 0)
break;
}
if (i >= maxaddr) {
printf(": can't allocate i/o space\n");
return;
}
} else {
if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
cfe->iospace[0].length, &psc->sc_pcioh))
printf(": can't allocate i/o space\n");
}
sc->sc_iot = psc->sc_pcioh.iot;
sc->sc_ioh = psc->sc_pcioh.ioh;
if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length,
&psc->sc_pcioh, &psc->sc_io_window)) {
printf(": can't map i/o space\n");
return;
}
switch (pa->product) {
case PCMCIA_PRODUCT_3COM_3C562:
/*
* 3c562a-c use this; 3c562d does it in the regular way.
* we might want to check the revision and produce a warning
* in the future.
*/
/* FALLTHROUGH */
case PCMCIA_PRODUCT_3COM_3C574:
/*
* Apparently, some 3c574s do it this way, as well.
*/
if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla))
enaddr = myla;
break;
}
sc->bustype = EP_BUS_PCMCIA;
epp = ep_pcmcia_lookup(pa);
if (epp == NULL)
panic("ep_pcmcia_attach: impossible");
printf(": %s\n", epp->epp_name);
sc->enable = ep_pcmcia_enable;
sc->disable = ep_pcmcia_disable;
epconfig(sc, epp->epp_chipset, enaddr);
sc->enabled = 0;
ep_pcmcia_disable1(sc);
}
int
ep_pcmcia_get_enaddr(tuple, arg)
struct pcmcia_tuple *tuple;
void *arg;
{
u_int8_t *myla = arg;
int i;
/* this is 3c562a-c magic */
if (tuple->code == 0x88) {
if (tuple->length < ETHER_ADDR_LEN)
return (0);
for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
myla[i] = pcmcia_tuple_read_1(tuple, i + 1);
myla[i + 1] = pcmcia_tuple_read_1(tuple, i);
}
return (1);
}
return (0);
}