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/*-
* Copyright (c) 2000 Mitsuru IWASAKI
* 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 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 AUTHOR 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_media.h>
#include <dev/ex/if_exreg.h>
#include <dev/ex/if_exvar.h>
#include <dev/pccard/pccardvar.h>
#include <dev/pccard/pccard_cis.h>
#include "pccarddevs.h"
static const struct pccard_product ex_pccard_products[] = {
PCMCIA_CARD(OLICOM, OC2220),
PCMCIA_CARD(INTEL, ETHEREXPPRO),
{ NULL }
};
/* Bus Front End Functions */
static int ex_pccard_match(device_t);
static int ex_pccard_probe(device_t);
static int ex_pccard_attach(device_t);
static device_method_t ex_pccard_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pccard_compat_probe),
DEVMETHOD(device_attach, pccard_compat_attach),
DEVMETHOD(device_detach, ex_detach),
/* Card interface */
DEVMETHOD(card_compat_match, ex_pccard_match),
DEVMETHOD(card_compat_probe, ex_pccard_probe),
DEVMETHOD(card_compat_attach, ex_pccard_attach),
{ 0, 0 }
};
static driver_t ex_pccard_driver = {
"ex",
ex_pccard_methods,
sizeof(struct ex_softc),
};
DRIVER_MODULE(ex, pccard, ex_pccard_driver, ex_devclass, 0, 0);
static int
ex_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, ex_pccard_products,
sizeof(ex_pccard_products[0]), NULL)) != NULL) {
if (pp->pp_name != NULL)
device_set_desc(dev, pp->pp_name);
return 0;
}
return EIO;
}
static int
ex_pccard_probe(device_t dev)
{
u_int iobase;
u_int irq;
iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
if (!iobase) {
printf("ex: no iobase?\n");
return(ENXIO);
}
if (bootverbose)
printf("ex: ex_pccard_probe() found card at 0x%03x\n", iobase);
irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
if (irq == 0) {
printf("ex: invalid IRQ.\n");
return(ENXIO);
}
return(0);
}
static int
ex_pccard_enet_ok(u_char *enaddr)
{
int i;
u_char sum;
if (enaddr[0] == 0xff)
return (0);
for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
sum |= enaddr[i];
return (sum != 0);
}
static int
ex_pccard_silicom_cb(const struct pccard_tuple *tuple, void *arg)
{
u_char *enaddr = arg;
int i;
if (tuple->code != CISTPL_FUNCE)
return (0);
if (tuple->length != 15)
return (0);
if (pccard_tuple_read_1(tuple, 6) != 6)
return (0);
for (i = 0; i < 6; i++)
enaddr[i] = pccard_tuple_read_1(tuple, 7 + i);
return (1);
}
static void
ex_pccard_get_silicom_mac(device_t dev, u_char *ether_addr)
{
CARD_CIS_SCAN(device_get_parent(dev), ex_pccard_silicom_cb,
ether_addr);
}
static int
ex_pccard_attach(device_t dev)
{
struct ex_softc * sc = device_get_softc(dev);
int error = 0;
u_char ether_addr[ETHER_ADDR_LEN];
sc->dev = dev;
sc->ioport_rid = 0;
sc->irq_rid = 0;
if ((error = ex_alloc_resources(dev)) != 0) {
device_printf(dev, "ex_alloc_resources() failed!\n");
goto bad;
}
/*
* Fill in several fields of the softc structure:
* - Hardware Ethernet address.
* - IRQ number.
*/
sc->irq_no = rman_get_start(sc->irq);
/* Try to get the ethernet address from the chip, then the CIS */
ex_get_address(sc, ether_addr);
if (!ex_pccard_enet_ok(ether_addr))
pccard_get_ether(dev, ether_addr);
if (!ex_pccard_enet_ok(ether_addr))
ex_pccard_get_silicom_mac(dev, ether_addr);
if (!ex_pccard_enet_ok(ether_addr)) {
device_printf(dev, "No NIC address found.\n");
error = ENXIO;
goto bad;
}
bcopy(ether_addr, sc->enaddr, ETHER_ADDR_LEN);
if ((error = ex_attach(dev)) != 0) {
device_printf(dev, "ex_attach() failed!\n");
goto bad;
}
error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
ex_intr, (void *)sc, &sc->ih);
if (error) {
device_printf(dev, "bus_setup_intr() failed!\n");
goto bad;
}
return(0);
bad:
ex_release_resources(dev);
return (error);
}
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