FreeBSD-5.3/sys/dev/fe/if_fe_pccard.c
/*
* All Rights Reserved, Copyright (C) Fujitsu Limited 1995
*
* This software may be used, modified, copied, distributed, and sold, in
* both source and binary form provided that the above copyright, these
* terms and the following disclaimer are retained. The name of the author
* and/or the contributor may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND THE CONTRIBUTOR ``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 THE CONTRIBUTOR 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: src/sys/dev/fe/if_fe_pccard.c,v 1.12 2004/05/27 03:49:42 imp Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_mib.h>
#include <net/if_media.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <i386/isa/ic/mb86960.h>
#include <dev/fe/if_fereg.h>
#include <dev/fe/if_fevar.h>
#include <dev/pccard/pccardvar.h>
#include "card_if.h"
#include "pccarddevs.h"
/*
* PC-Card (PCMCIA) specific code.
*/
static int fe_pccard_probe(device_t);
static int fe_pccard_attach(device_t);
static int fe_pccard_detach(device_t);
static int fe_pccard_match(device_t);
static const struct fe_pccard_product {
struct pccard_product mpp_product;
u_int32_t mpp_ioalign; /* required alignment */
int mpp_enet_maddr;
} fe_pccard_products[] = {
{ PCMCIA_CARD(TDK, LAK_CD021BX, 0), 0, -1 },
{ PCMCIA_CARD(TDK, LAK_CF010, 0), 0, -1 },
#if 0 /* XXX 86960-based? */
{ PCMCIA_CARD(TDK, LAK_DFL9610, 1), 0, -1 },
#endif
{ PCMCIA_CARD(CONTEC, CNETPC, 0), 0, -1 },
{ PCMCIA_CARD(FUJITSU, LA501, 0), 0x20, -1 },
{ PCMCIA_CARD(FUJITSU, LA10S, 0), 0, -1 },
{ PCMCIA_CARD(RATOC, REX_R280, 0), 0, 0x1fc },
{ { NULL } }
};
static int
fe_pccard_match(device_t dev)
{
const struct pccard_product *pp;
if ((pp = pccard_product_lookup(dev,
(const struct pccard_product *)fe_pccard_products,
sizeof(fe_pccard_products[0]), NULL)) != NULL) {
if (pp->pp_name != NULL)
device_set_desc(dev, pp->pp_name);
return 0;
}
return EIO;
}
static device_method_t fe_pccard_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pccard_compat_probe),
DEVMETHOD(device_attach, pccard_compat_attach),
DEVMETHOD(device_detach, fe_pccard_detach),
/* Card interface */
DEVMETHOD(card_compat_match, fe_pccard_match),
DEVMETHOD(card_compat_probe, fe_pccard_probe),
DEVMETHOD(card_compat_attach, fe_pccard_attach),
{ 0, 0 }
};
static driver_t fe_pccard_driver = {
"fe",
fe_pccard_methods,
sizeof (struct fe_softc)
};
DRIVER_MODULE(fe, pccard, fe_pccard_driver, fe_devclass, 0, 0);
static int fe_probe_mbh(device_t);
static int fe_probe_tdk(device_t);
/*
* Initialize the device - called from Slot manager.
*/
static int
fe_pccard_probe(device_t dev)
{
struct fe_softc *sc;
int error;
/* Prepare for the device probe process. */
sc = device_get_softc(dev);
sc->sc_unit = device_get_unit(dev);
pccard_get_ether(dev, sc->sc_enaddr);
/* Probe for supported cards. */
if ((error = fe_probe_mbh(dev)) == 0)
goto end;
fe_release_resource(dev);
if ((error = fe_probe_tdk(dev)) == 0)
goto end;
fe_release_resource(dev);
end:
if (error == 0)
error = fe_alloc_irq(dev, 0);
fe_release_resource(dev);
return (error);
}
static int
fe_pccard_attach(device_t dev)
{
struct fe_softc *sc = device_get_softc(dev);
if (sc->port_used)
fe_alloc_port(dev, sc->port_used);
fe_alloc_irq(dev, 0);
return fe_attach(dev);
}
/*
* feunload - 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
fe_pccard_detach(device_t dev)
{
struct fe_softc *sc = device_get_softc(dev);
struct ifnet *ifp = &sc->arpcom.ac_if;
fe_stop(sc);
ether_ifdetach(ifp);
bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
fe_release_resource(dev);
return 0;
}
/*
* Probe and initialization for Fujitsu MBH10302 PCMCIA Ethernet interface.
* Note that this is for 10302 only; MBH10304 is handled by fe_probe_tdk().
*/
static void
fe_init_mbh(struct fe_softc *sc)
{
/* Minimal initialization of 86960. */
DELAY(200);
fe_outb(sc, FE_DLCR6, sc->proto_dlcr6 | FE_D6_DLC_DISABLE);
DELAY(200);
/* Disable all interrupts. */
fe_outb(sc, FE_DLCR2, 0);
fe_outb(sc, FE_DLCR3, 0);
/* Enable master interrupt flag. */
fe_outb(sc, FE_MBH0, FE_MBH0_MAGIC | FE_MBH0_INTR_ENABLE);
}
static int
fe_probe_mbh(device_t dev)
{
struct fe_softc *sc = device_get_softc(dev);
static struct fe_simple_probe_struct probe_table [] = {
{ FE_DLCR2, 0x58, 0x00 },
{ FE_DLCR4, 0x08, 0x00 },
{ FE_DLCR6, 0xFF, 0xB6 },
{ 0 }
};
/* MBH10302 occupies 32 I/O addresses. */
if (fe_alloc_port(dev, 32))
return ENXIO;
/* Ethernet MAC address should *NOT* have been given by pccardd,
if this is a true MBH10302; i.e., Ethernet address must be
"all-zero" upon entry. */
if (sc->sc_enaddr[0] || sc->sc_enaddr[1] || sc->sc_enaddr[2] ||
sc->sc_enaddr[3] || sc->sc_enaddr[4] || sc->sc_enaddr[5])
return ENXIO;
/* Fill the softc struct with default values. */
fe_softc_defaults(sc);
/*
* See if MBH10302 is on its address.
* I'm not sure the following probe code works. FIXME.
*/
if (!fe_simple_probe(sc, probe_table))
return ENXIO;
/* Get our station address from EEPROM. */
fe_inblk(sc, FE_MBH10, sc->sc_enaddr, ETHER_ADDR_LEN);
/* Make sure we got a valid station address. */
if (!valid_Ether_p(sc->sc_enaddr, 0))
return ENXIO;
/* Determine the card type. */
sc->type = FE_TYPE_MBH;
sc->typestr = "MBH10302 (PCMCIA)";
/* We seems to need our own IDENT bits... FIXME. */
sc->proto_dlcr7 = FE_D7_BYTSWP_LH | FE_D7_IDENT_NICE;
/* Setup hooks. We need a special initialization procedure. */
sc->init = fe_init_mbh;
return 0;
}
/*
* Probe and initialization for TDK/CONTEC PCMCIA Ethernet interface.
* by MASUI Kenji <masui@cs.titech.ac.jp>
*
* (Contec uses TDK Ethenet chip -- hosokawa)
*
* This version of fe_probe_tdk has been rewrote to handle
* *generic* PC card implementation of Fujitsu MB8696x family. The
* name _tdk is just for a historical reason. :-)
*/
static int
fe_probe_tdk (device_t dev)
{
struct fe_softc *sc = device_get_softc(dev);
static struct fe_simple_probe_struct probe_table [] = {
{ FE_DLCR2, 0x50, 0x00 },
{ FE_DLCR4, 0x08, 0x00 },
/* { FE_DLCR5, 0x80, 0x00 }, Does not work well. */
{ 0 }
};
/* C-NET(PC)C occupies 16 I/O addresses. */
if (fe_alloc_port(dev, 16))
return ENXIO;
/* Fill the softc struct with default values. */
fe_softc_defaults(sc);
/*
* See if C-NET(PC)C is on its address.
*/
if (!fe_simple_probe(sc, probe_table))
return ENXIO;
/* Determine the card type. */
sc->type = FE_TYPE_TDK;
sc->typestr = "Generic MB8696x/78Q837x Ethernet (PCMCIA)";
/* Make sure we got a valid station address. */
if (!valid_Ether_p(sc->sc_enaddr, 0))
return ENXIO;
return 0;
}