freebsd-dev/sys/dev/sn/if_sn_pccard.c
Warner Losh e30d646d97 Only attach to network functions. I'm not aware of any multifunction
(pccard sense) sn based cards, but this won't hurt.  The
pseudo-multifunction cards need a special driver anyway...
2005-01-20 19:59:31 +00:00

181 lines
4.6 KiB
C

/*-
* Copyright (c) 1999 M. Warner Losh <imp@village.org>
* 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 ``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.
*/
/*
* Modifications for Megahertz X-Jack Ethernet Card (XJ-10BT)
*
* Copyright (c) 1996 by Tatsumi Hosokawa <hosokawa@jp.FreeBSD.org>
* BSD-nomads, Tokyo, Japan.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <machine/bus.h>
#include <dev/pccard/pccardvar.h>
#include <dev/pccard/pccard_cis.h>
#include <dev/sn/if_snvar.h>
#include "card_if.h"
#include "pccarddevs.h"
static const struct pccard_product sn_pccard_products[] = {
PCMCIA_CARD(DSPSI, XJACK, 0),
PCMCIA_CARD(NEWMEDIA, BASICS, 0),
#if 0
PCMCIA_CARD(SMC, 8020BT, 0),
#endif
{ NULL }
};
static int
sn_pccard_match(device_t dev)
{
const struct pccard_product *pp;
int error;
uint32_t fcn = PCCARD_FUNCTION_UNSPEC;
/* Make sure we're a network function */
error = pccard_get_function(dev, &fcn);
if (error != 0)
return (error);
if (fcn != PCCARD_FUNCTION_NETWORK)
return (ENXIO);
if ((pp = pccard_product_lookup(dev, sn_pccard_products,
sizeof(sn_pccard_products[0]), NULL)) != NULL) {
if (pp->pp_name != NULL)
device_set_desc(dev, pp->pp_name);
return 0;
}
return EIO;
}
static int
sn_pccard_probe(device_t dev)
{
int err;
err = sn_probe(dev, 1);
return (err);
}
static int
sn_pccard_ascii_enaddr(const char *str, u_char *enet)
{
uint8_t digit;
int i;
memset(enet, 0, ETHER_ADDR_LEN);
for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) {
if (str[i] >= '0' && str[i] <= '9')
digit |= str[i] - '0';
else if (str[i] >= 'a' && str[i] <= 'f')
digit |= (str[i] - 'a') + 10;
else if (str[i] >= 'A' && str[i] <= 'F')
digit |= (str[i] - 'A') + 10;
else {
/* Bogus digit!! */
return (0);
}
/* Compensate for ordering of digits. */
if (i & 1) {
enet[i >> 1] = digit;
digit = 0;
} else
digit <<= 4;
}
return (1);
}
static int
sn_pccard_attach(device_t dev)
{
struct sn_softc *sc = device_get_softc(dev);
int i;
u_char sum;
u_char ether_addr[ETHER_ADDR_LEN];
const char *cisstr;
sc->pccard_enaddr = 0;
pccard_get_ether(dev, ether_addr);
for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
sum |= ether_addr[i];
if (sum == 0) {
pccard_get_cis3_str(dev, &cisstr);
if (strlen(cisstr) == ETHER_ADDR_LEN * 2)
sum = sn_pccard_ascii_enaddr(cisstr, ether_addr);
}
if (sum == 0) {
pccard_get_cis4_str(dev, &cisstr);
if (strlen(cisstr) == ETHER_ADDR_LEN * 2)
sum = sn_pccard_ascii_enaddr(cisstr, ether_addr);
}
if (sum) {
sc->pccard_enaddr = 1;
bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
}
return (sn_attach(dev));
}
static device_method_t sn_pccard_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pccard_compat_probe),
DEVMETHOD(device_attach, pccard_compat_attach),
DEVMETHOD(device_detach, sn_detach),
/* Card interface */
DEVMETHOD(card_compat_match, sn_pccard_match),
DEVMETHOD(card_compat_probe, sn_pccard_probe),
DEVMETHOD(card_compat_attach, sn_pccard_attach),
{ 0, 0 }
};
static driver_t sn_pccard_driver = {
"sn",
sn_pccard_methods,
sizeof(struct sn_softc),
};
extern devclass_t sn_devclass;
DRIVER_MODULE(sn, pccard, sn_pccard_driver, sn_devclass, 0, 0);
MODULE_DEPEND(sn, ether, 1, 1, 1);