freebsd-skq/sys/dev/ed/if_ed_pccard.c
toshi 3918bafb69 Linksys Fast Ethernet PCCARD cards supported by the ed driver now
require the addition of flag 0x80000 to their config line in
pccard.conf(5).  This flag is not optional.  These Linksys cards will
not be recognized without it.

Reviewed by:    imp, iwasaki
2000-12-18 15:28:53 +00:00

346 lines
9.2 KiB
C

/*
* Copyright (c) 1995, David Greenman
* 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 unmodified, 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/uio.h>
#include <sys/select.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_mib.h>
#include <dev/ed/if_edreg.h>
#include <dev/ed/if_edvar.h>
#include <dev/pccard/pccardvar.h>
#include <dev/pccard/pccarddevs.h>
#include "card_if.h"
/*
* PC-Card (PCMCIA) specific code.
*/
static int ed_pccard_match(device_t);
static int ed_pccard_probe(device_t);
static int ed_pccard_attach(device_t);
static int ed_pccard_detach(device_t);
static void ax88190_geteprom(struct ed_softc *);
static int ed_pccard_memwrite(device_t dev, off_t offset, u_char byte);
static int ed_pccard_Linksys(device_t dev);
static int linksys;
static device_method_t ed_pccard_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pccard_compat_probe),
DEVMETHOD(device_attach, pccard_compat_attach),
DEVMETHOD(device_detach, ed_pccard_detach),
/* Card interface */
DEVMETHOD(card_compat_match, ed_pccard_match),
DEVMETHOD(card_compat_probe, ed_pccard_probe),
DEVMETHOD(card_compat_attach, ed_pccard_attach),
{ 0, 0 }
};
static driver_t ed_pccard_driver = {
"ed",
ed_pccard_methods,
sizeof(struct ed_softc)
};
static devclass_t ed_pccard_devclass;
DRIVER_MODULE(if_ed, pccard, ed_pccard_driver, ed_pccard_devclass, 0, 0);
/*
* ed_pccard_detach - unload the driver and clear the table.
* XXX TODO:
* This is usually called when the card is ejected, but
* can be caused by a modunload of a controller driver.
* The idea is to reset the driver's view of the device
* and ensure that any driver entry points such as
* read and write do not hang.
*/
static int
ed_pccard_detach(device_t dev)
{
struct ed_softc *sc = device_get_softc(dev);
struct ifnet *ifp = &sc->arpcom.ac_if;
if (sc->gone) {
device_printf(dev, "already unloaded\n");
return (0);
}
ed_stop(sc);
ifp->if_flags &= ~IFF_RUNNING;
ether_ifdetach(ifp, ETHER_BPF_SUPPORTED);
sc->gone = 1;
bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
ed_release_resources(dev);
return (0);
}
static const struct pccard_product ed_pccard_products[] = {
{ PCCARD_STR_KINGSTON_KNE2, PCCARD_VENDOR_KINGSTON,
PCCARD_PRODUCT_KINGSTON_KNE2, 0, NULL, NULL },
{ NULL }
};
static int
ed_pccard_match(device_t dev)
{
const struct pccard_product *pp;
if ((pp = pccard_product_lookup(dev, ed_pccard_products,
sizeof(ed_pccard_products[0]), NULL)) != NULL) {
device_set_desc(dev, pp->pp_name);
return 0;
}
return EIO;
}
/*
* Probe framework for pccards. Replicates the standard framework,
* minus the pccard driver registration and ignores the ether address
* supplied (from the CIS), relying on the probe to find it instead.
*/
static int
ed_pccard_probe(device_t dev)
{
struct ed_softc *sc = device_get_softc(dev);
int flags = device_get_flags(dev);
int error;
if (ED_FLAGS_GETTYPE(flags) == ED_FLAGS_AX88190) {
/* Special setup for AX88190 */
int iobase;
/* Allocate the port resource during setup. */
error = ed_alloc_port(dev, 0, ED_NOVELL_IO_PORTS);
if (error)
return (error);
sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
sc->nic_offset = ED_NOVELL_NIC_OFFSET;
sc->chip_type = ED_CHIP_TYPE_AX88190;
/*
* Set Attribute Memory IOBASE Register
*/
iobase = rman_get_start(sc->port_res);
ed_pccard_memwrite(dev, ED_AX88190_IOBASE0,
iobase & 0xff);
ed_pccard_memwrite(dev, ED_AX88190_IOBASE1,
(iobase >> 8) & 0xff);
ax88190_geteprom(sc);
ed_release_resources(dev);
error = ed_probe_Novell(dev, 0, flags);
goto end2;
}
error = ed_probe_Novell(dev, 0, flags);
if (error == 0)
goto end;
ed_release_resources(dev);
error = ed_probe_WD80x3(dev, 0, flags);
if (error == 0)
goto end;
ed_release_resources(dev);
goto end2;
end:
if (ED_FLAGS_GETTYPE(flags) & ED_FLAGS_LINKSYS) {
linksys = ed_pccard_Linksys(dev);
} else {
linksys = 0;
}
end2:
if (error == 0)
error = ed_alloc_irq(dev, 0, 0);
ed_release_resources(dev);
return (error);
}
static int
ed_pccard_attach(device_t dev)
{
struct ed_softc *sc = device_get_softc(dev);
int flags = device_get_flags(dev);
int error;
int i;
u_char sum;
u_char ether_addr[ETHER_ADDR_LEN];
if (sc->port_used > 0)
ed_alloc_port(dev, sc->port_rid, sc->port_used);
if (sc->mem_used)
ed_alloc_memory(dev, sc->mem_rid, sc->mem_used);
ed_alloc_irq(dev, sc->irq_rid, 0);
error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
edintr, sc, &sc->irq_handle);
if (error) {
printf("setup intr failed %d \n", error);
ed_release_resources(dev);
return (error);
}
if (linksys == 0) {
pccard_get_ether(dev, ether_addr);
for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
sum |= ether_addr[i];
if (sum)
bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
}
error = ed_attach(sc, device_get_unit(dev), flags);
return (error);
}
static void
ax88190_geteprom(struct ed_softc *sc)
{
int prom[16],i;
u_char tmp;
struct {
unsigned char offset, value;
} pg_seq[] = {
{ED_P0_CR, ED_CR_RD2|ED_CR_STP}, /* Select Page0 */
{ED_P0_DCR, 0x01},
{ED_P0_RBCR0, 0x00}, /* Clear the count regs. */
{ED_P0_RBCR1, 0x00},
{ED_P0_IMR, 0x00}, /* Mask completion irq. */
{ED_P0_ISR, 0xff},
{ED_P0_RCR, ED_RCR_MON | ED_RCR_INTT}, /* Set To Monitor */
{ED_P0_TCR, ED_TCR_LB0}, /* loopback mode. */
{ED_P0_RBCR0, 32},
{ED_P0_RBCR1, 0x00},
{ED_P0_RSAR0, 0x00},
{ED_P0_RSAR1, 0x04},
{ED_P0_CR ,ED_CR_RD0 | ED_CR_STA},
};
/* Reset Card */
tmp = ed_asic_inb(sc, ED_NOVELL_RESET);
ed_asic_outb(sc, ED_NOVELL_RESET, tmp);
DELAY(5000);
ed_asic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
DELAY(5000);
/* Card Settings */
for (i = 0; i < sizeof(pg_seq) / sizeof(pg_seq[0]); i++)
ed_nic_outb(sc, pg_seq[i].offset, pg_seq[i].value);
/* Get Data */
for (i = 0; i < 16; i++)
prom[i] = ed_asic_inb(sc, 0);
/*
for (i = 0; i < 16; i++)
printf("ax88190 eprom [%02d] %02x %02x\n",
i,prom[i] & 0xff,prom[i] >> 8);
*/
sc->arpcom.ac_enaddr[0] = prom[0] & 0xff;
sc->arpcom.ac_enaddr[1] = prom[0] >> 8;
sc->arpcom.ac_enaddr[2] = prom[1] & 0xff;
sc->arpcom.ac_enaddr[3] = prom[1] >> 8;
sc->arpcom.ac_enaddr[4] = prom[2] & 0xff;
sc->arpcom.ac_enaddr[5] = prom[2] >> 8;
}
static int
ed_pccard_memwrite(device_t dev, off_t offset, u_char byte)
{
int cis_rid;
struct resource *cis;
cis_rid = 0;
cis = bus_alloc_resource(dev, SYS_RES_MEMORY, &cis_rid, 0, ~0, 4 << 10, RF_ACTIVE | RF_SHAREABLE);
if (cis == NULL)
return (ENXIO);
CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, cis_rid, PCCARD_A_MEM_ATTR);
bus_space_write_1(rman_get_bustag(cis), rman_get_bushandle(cis), offset, byte);
bus_deactivate_resource(dev, SYS_RES_MEMORY, cis_rid, cis);
bus_release_resource(dev, SYS_RES_MEMORY, cis_rid, cis);
return (0);
}
/*
* Probe the Ethernet MAC addrees for PCMCIA Linksys EtherFast 10/100
* and compatible cards (DL10019C Ethernet controller).
*
* Note: The PAO patches try to use more memory for the card, but that
* seems to fail for my card. A future optimization would add this back
* conditionally.
*/
static int
ed_pccard_Linksys(device_t dev)
{
struct ed_softc *sc = device_get_softc(dev);
u_char sum;
int i;
/*
* Linksys registers(offset from ASIC base)
*
* 0x04-0x09 : Physical Address Register 0-5 (PAR0-PAR5)
* 0x0A : Card ID Register (CIR)
* 0x0B : Check Sum Register (SR)
*/
for (sum = 0, i = 0x04; i < 0x0c; i++)
sum += ed_asic_inb(sc, i);
if (sum != 0xff)
return (0); /* invalid DL10019C */
for (i = 0; i < ETHER_ADDR_LEN; i++) {
sc->arpcom.ac_enaddr[i] = ed_asic_inb(sc, 0x04 + i);
}
ed_nic_outb(sc, ED_P0_DCR, ED_DCR_WTS | ED_DCR_FT1 | ED_DCR_LS);
sc->isa16bit = 1;
sc->type = ED_TYPE_NE2000;
sc->type_str = "Linksys";
return (1);
}