NetBSD/sys/dev/pcmcia/if_sm_pcmcia.c

266 lines
7.2 KiB
C

/* $NetBSD: if_sm_pcmcia.c,v 1.6 1998/07/19 17:28:16 christos Exp $ */
/*-
* Copyright (c) 1997 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/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 *));
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
};
int sm_pcmcia_enable __P((struct smc91cxx_softc *));
void sm_pcmcia_disable __P((struct smc91cxx_softc *));
int
sm_pcmcia_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct pcmcia_attach_args *pa = aux;
if (pa->manufacturer == PCMCIA_VENDOR_MEGAHERTZ2) {
switch (pa->product) {
case PCMCIA_PRODUCT_MEGAHERTZ2_XJACK:
if (pa->pf->number == 0)
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 char *model;
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");
return;
}
/* 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");
return;
}
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");
return;
}
switch (pa->product) {
case PCMCIA_PRODUCT_MEGAHERTZ2_XJACK:
model = PCMCIA_STR_MEGAHERTZ2_XJACK;
break;
default:
model = "Unknown SMC91Cxx Ethernet";
}
printf(": %s\n", model);
if (pa->product == PCMCIA_PRODUCT_MEGAHERTZ2_XJACK) {
char enaddr_str[12];
int i = 0, j;
/*
* The X-JACK's Ethernet address is stored in the fourth
* CIS info string. We need to parse it and pass it to
* the generic layer.
*/
if (strlen(pa->pf->sc->card.cis1_info[3]) != 12) {
/* Bogus address! */
goto out;
}
bcopy(pa->pf->sc->card.cis1_info[3], enaddr_str, 12);
bzero(myla, sizeof(myla));
for (i = 0; i < 6; i++) {
for (j = 0; j < 2; j++) {
/* Convert to upper case. */
if (enaddr_str[(i * 2) + j] >= 'a' &&
enaddr_str[(i * 2) + j] <= 'z')
enaddr_str[(i * 2) + j] -= 'a' - 'A';
/* Parse the digit. */
if (enaddr_str[(i * 2) + j] >= '0' &&
enaddr_str[(i * 2) + j] <= '9')
myla[i] |= enaddr_str[(i * 2) + j]
- '0';
else if (enaddr_str[(i * 2) + j] >= 'A' &&
enaddr_str[(i * 2) + j] <= 'F')
myla[i] |= enaddr_str[(i * 2) + j]
- 'A' + 10;
else {
/* Bogus digit!! */
goto out;
}
/* Compensate for ordering of digits. */
if (j == 0)
myla[i] <<= 4;
}
}
out:
if (i >= 6) {
/* Successfully parsed. */
enaddr = myla;
} else {
printf("%s: unable to read MAC address from CIS\n",
sc->sc_dev.dv_xname);
}
}
/* Perform generic intialization. */
smc91cxx_attach(sc, enaddr);
pcmcia_function_disable(pa->pf);
}
int
sm_pcmcia_enable(sc)
struct smc91cxx_softc *sc;
{
struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
/* 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);
}
return (pcmcia_function_enable(psc->sc_pf));
}
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);
}