NetBSD/sys/dev/pcmcia/if_sm_pcmcia.c

368 lines
9.3 KiB
C

/* $NetBSD: if_sm_pcmcia.c,v 1.23 2000/07/30 21:34:48 briggs Exp $ */
/*-
* Copyright (c) 1997, 1998, 2000 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.
*/
#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/intr.h>
#include <machine/bus.h>
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <dev/ic/smc91cxxreg.h>
#include <dev/ic/smc91cxxvar.h>
#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciavar.h>
#include <dev/pcmcia/pcmciadevs.h>
int sm_pcmcia_match __P((struct device *, struct cfdata *, void *));
void sm_pcmcia_attach __P((struct device *, struct device *, void *));
int sm_pcmcia_detach __P((struct device *, int));
struct sm_pcmcia_softc {
struct smc91cxx_softc sc_smc; /* real "smc" softc */
/* PCMCIA-specific goo. */
struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
int sc_io_window; /* our i/o window */
void *sc_ih; /* interrupt cookie */
struct pcmcia_function *sc_pf; /* our PCMCIA function */
};
struct cfattach sm_pcmcia_ca = {
sizeof(struct sm_pcmcia_softc), sm_pcmcia_match, sm_pcmcia_attach,
sm_pcmcia_detach, smc91cxx_activate
};
int sm_pcmcia_enable __P((struct smc91cxx_softc *));
void sm_pcmcia_disable __P((struct smc91cxx_softc *));
int sm_pcmcia_ascii_enaddr __P((const char *, u_int8_t *));
int sm_pcmcia_funce_enaddr __P((struct device *, u_int8_t *));
int sm_pcmcia_lannid_ciscallback __P((struct pcmcia_tuple *, void *));
const struct pcmcia_product sm_pcmcia_products[] = {
{ PCMCIA_STR_MEGAHERTZ2_XJACK, PCMCIA_VENDOR_MEGAHERTZ2,
PCMCIA_PRODUCT_MEGAHERTZ2_XJACK, 0, },
{ PCMCIA_STR_NEWMEDIA_BASICS, PCMCIA_VENDOR_NEWMEDIA,
PCMCIA_PRODUCT_NEWMEDIA_BASICS, 0, },
#if 0
{ PCMCIA_STR_SMC_8020BT, PCMCIA_VENDOR_SMC,
PCMCIA_PRODUCT_SMC_8020BT, 0, },
#endif
{ NULL }
};
int
sm_pcmcia_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct pcmcia_attach_args *pa = aux;
if (pcmcia_product_lookup(pa, sm_pcmcia_products,
sizeof sm_pcmcia_products[0], NULL) != NULL)
return (1);
return (0);
}
void
sm_pcmcia_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
struct smc91cxx_softc *sc = &psc->sc_smc;
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe;
u_int8_t myla[ETHER_ADDR_LEN], *enaddr = NULL;
const struct pcmcia_product *pp;
psc->sc_pf = pa->pf;
cfe = pa->pf->cfe_head.sqh_first;
/* Enable the card. */
pcmcia_function_init(pa->pf, cfe);
if (pcmcia_function_enable(pa->pf)) {
printf(": function enable failed\n");
goto enable_failed;
}
/* XXX sanity check number of mem and i/o spaces */
/* Allocate and map i/o space for the card. */
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");
goto ioalloc_failed;
}
sc->sc_bst = psc->sc_pcioh.iot;
sc->sc_bsh = psc->sc_pcioh.ioh;
sc->sc_enable = sm_pcmcia_enable;
sc->sc_disable = sm_pcmcia_disable;
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");
goto iomap_failed;
}
pp = pcmcia_product_lookup(pa, sm_pcmcia_products,
sizeof sm_pcmcia_products[0], NULL);
if (pp == NULL)
panic("sm_pcmcia_attach: impossible");
printf(": %s\n", pp->pp_name);
/*
* First try to get the Ethernet address from FUNCE/LANNID tuple.
*/
if (sm_pcmcia_funce_enaddr(parent, myla))
enaddr = myla;
/*
* If that failed, try one of the CIS info strings.
*/
if (enaddr == NULL) {
char *cisstr = NULL;
switch (pa->manufacturer) {
case PCMCIA_VENDOR_MEGAHERTZ:
case PCMCIA_VENDOR_MEGAHERTZ2:
cisstr = pa->pf->sc->card.cis1_info[3];
break;
case PCMCIA_VENDOR_SMC:
cisstr = pa->pf->sc->card.cis1_info[2];
break;
}
if (cisstr != NULL && sm_pcmcia_ascii_enaddr(cisstr, myla))
enaddr = myla;
}
if (enaddr == NULL)
printf("%s: unable to get Ethernet address\n",
sc->sc_dev.dv_xname);
/* Perform generic intialization. */
smc91cxx_attach(sc, enaddr);
pcmcia_function_disable(pa->pf);
return;
iomap_failed:
/* Free our i/o space. */
pcmcia_io_free(pa->pf, &psc->sc_pcioh);
ioalloc_failed:
/* Disable the device */
pcmcia_function_disable(pa->pf);
enable_failed:
psc->sc_io_window = -1;
}
int
sm_pcmcia_detach(self, flags)
struct device *self;
int flags;
{
struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
int rv;
if (psc->sc_io_window == -1)
/* Nothing to detach. */
return (0);
rv = smc91cxx_detach((struct device *)&psc->sc_smc, flags);
if (rv != 0)
return (rv);
/* Unmap our i/o window. */
pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
/* Free our i/o space. */
pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
return (0);
}
int
sm_pcmcia_ascii_enaddr(cisstr, myla)
const char *cisstr;
u_int8_t *myla;
{
u_int8_t digit;
int i;
memset(myla, 0, ETHER_ADDR_LEN);
for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) {
if (cisstr[i] >= '0' && cisstr[i] <= '9')
digit |= cisstr[i] - '0';
else if (cisstr[i] >= 'a' && cisstr[i] <= 'f')
digit |= (cisstr[i] - 'a') + 10;
else if (cisstr[i] >= 'A' && cisstr[i] <= 'F')
digit |= (cisstr[i] - 'A') + 10;
else {
/* Bogus digit!! */
return (0);
}
/* Compensate for ordering of digits. */
if (i & 1) {
myla[i >> 1] = digit;
digit = 0;
} else
digit <<= 4;
}
return (1);
}
int
sm_pcmcia_funce_enaddr(parent, myla)
struct device *parent;
u_int8_t *myla;
{
return (pcmcia_scan_cis(parent, sm_pcmcia_lannid_ciscallback, myla));
}
int
sm_pcmcia_lannid_ciscallback(tuple, arg)
struct pcmcia_tuple *tuple;
void *arg;
{
u_int8_t *myla = arg;
int i;
if (tuple->code == PCMCIA_CISTPL_FUNCE) {
/* subcode, length */
if (tuple->length < 2)
return (0);
if ((pcmcia_tuple_read_1(tuple, 0) !=
PCMCIA_TPLFE_TYPE_LAN_NID) ||
(pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN))
return (0);
for (i = 0; i < ETHER_ADDR_LEN; i++)
myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
return (1);
}
return (0);
}
int
sm_pcmcia_enable(sc)
struct smc91cxx_softc *sc;
{
struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
int rv;
/* Establish the interrupt handler. */
psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr,
sc);
if (psc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt handler\n",
sc->sc_dev.dv_xname);
return (1);
}
rv = pcmcia_function_enable(psc->sc_pf);
if (rv != 0)
pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
return (rv);
}
void
sm_pcmcia_disable(sc)
struct smc91cxx_softc *sc;
{
struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
pcmcia_function_disable(psc->sc_pf);
pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
}