freebsd-nq/sys/dev/ed/if_ed_pccard.c
2001-01-09 04:33:49 +00:00

351 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/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 int ed_pccard_Linksys(device_t dev);
static int ed_pccard_ax88190(device_t dev);
static void ax88190_geteprom(struct ed_softc *);
static int ed_pccard_memwrite(device_t dev, off_t offset, u_char byte);
static int linksys;
/*
* 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)
{
int error;
int flags = device_get_flags(dev);
if (ED_FLAGS_GETTYPE(flags) == ED_FLAGS_AX88190) {
error = ed_pccard_ax88190(dev);
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)
{
int error;
int flags = device_get_flags(dev);
int i;
struct ed_softc *sc = device_get_softc(dev);
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);
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);
}
/*
* Special setup for AX88190
*/
static int
ed_pccard_ax88190(device_t dev)
{
int error;
int flags = device_get_flags(dev);
int iobase;
struct ed_softc *sc = device_get_softc(dev);
/* 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);
return (error);
}
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)
};
DRIVER_MODULE(if_ed, pccard, ed_pccard_driver, ed_devclass, 0, 0);