268 lines
6.8 KiB
C
268 lines
6.8 KiB
C
/*
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* All Rights Reserved, Copyright (C) Fujitsu Limited 1995
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*
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* This software may be used, modified, copied, distributed, and sold, in
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* both source and binary form provided that the above copyright, these
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* terms and the following disclaimer are retained. The name of the author
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* and/or the contributor may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND THE CONTRIBUTOR ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR THE CONTRIBUTOR BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION.
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include "opt_fe.h"
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#include "opt_inet.h"
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#include "opt_ipx.h"
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/module.h>
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#include <machine/clock.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_mib.h>
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#include <net/if_media.h>
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#include <i386/isa/ic/mb86960.h>
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#include <dev/fe/if_fereg.h>
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#include <dev/fe/if_fevar.h>
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#include <dev/pccard/pccardvar.h>
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#include <pccard/cardinfo.h>
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/*
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* PC-Card (PCMCIA) specific code.
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*/
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static int fe_pccard_probe(device_t);
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static int fe_pccard_attach(device_t);
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static int fe_pccard_detach(device_t);
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static device_method_t fe_pccard_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, fe_pccard_probe),
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DEVMETHOD(device_attach, fe_pccard_attach),
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DEVMETHOD(device_detach, fe_pccard_detach),
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{ 0, 0 }
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};
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static driver_t fe_pccard_driver = {
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"fe",
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fe_pccard_methods,
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sizeof (struct fe_softc)
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};
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DRIVER_MODULE(fe, pccard, fe_pccard_driver, fe_devclass, 0, 0);
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static int fe_probe_mbh(device_t);
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static int fe_probe_tdk(device_t);
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/*
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* Initialize the device - called from Slot manager.
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*/
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static int
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fe_pccard_probe(device_t dev)
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{
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struct fe_softc *sc;
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int error;
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/* Prepare for the device probe process. */
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sc = device_get_softc(dev);
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sc->sc_unit = device_get_unit(dev);
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pccard_get_ether(dev, sc->sc_enaddr);
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/* Probe for supported cards. */
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if ((error = fe_probe_mbh(dev)) == 0)
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goto end;
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fe_release_resource(dev);
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if ((error = fe_probe_tdk(dev)) == 0)
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goto end;
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fe_release_resource(dev);
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end:
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if (error == 0)
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error = fe_alloc_irq(dev, 0);
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fe_release_resource(dev);
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return (error);
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}
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static int
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fe_pccard_attach(device_t dev)
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{
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struct fe_softc *sc = device_get_softc(dev);
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if (sc->port_used)
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fe_alloc_port(dev, sc->port_used);
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fe_alloc_irq(dev, 0);
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return fe_attach(dev);
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}
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/*
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* feunload - unload the driver and clear the table.
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* XXX TODO:
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* This is usually called when the card is ejected, but
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* can be caused by a modunload of a controller driver.
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* The idea is to reset the driver's view of the device
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* and ensure that any driver entry points such as
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* read and write do not hang.
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*/
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static int
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fe_pccard_detach(device_t dev)
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{
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struct fe_softc *sc = device_get_softc(dev);
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struct ifnet *ifp = &sc->arpcom.ac_if;
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fe_stop(sc);
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ether_ifdetach(ifp, ETHER_BPF_SUPPORTED);
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bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
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fe_release_resource(dev);
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return 0;
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}
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/*
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* Probe and initialization for Fujitsu MBH10302 PCMCIA Ethernet interface.
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* Note that this is for 10302 only; MBH10304 is handled by fe_probe_tdk().
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*/
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static void
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fe_init_mbh(struct fe_softc *sc)
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{
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/* Minimal initialization of 86960. */
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DELAY(200);
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fe_outb(sc, FE_DLCR6, sc->proto_dlcr6 | FE_D6_DLC_DISABLE);
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DELAY(200);
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/* Disable all interrupts. */
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fe_outb(sc, FE_DLCR2, 0);
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fe_outb(sc, FE_DLCR3, 0);
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/* Enable master interrupt flag. */
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fe_outb(sc, FE_MBH0, FE_MBH0_MAGIC | FE_MBH0_INTR_ENABLE);
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}
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static int
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fe_probe_mbh(device_t dev)
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{
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struct fe_softc *sc = device_get_softc(dev);
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static struct fe_simple_probe_struct probe_table [] = {
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{ FE_DLCR2, 0x58, 0x00 },
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{ FE_DLCR4, 0x08, 0x00 },
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{ FE_DLCR6, 0xFF, 0xB6 },
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{ 0 }
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};
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/* MBH10302 occupies 32 I/O addresses. */
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if (fe_alloc_port(dev, 32))
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return ENXIO;
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/* Ethernet MAC address should *NOT* have been given by pccardd,
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if this is a true MBH10302; i.e., Ethernet address must be
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"all-zero" upon entry. */
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if (sc->sc_enaddr[0] || sc->sc_enaddr[1] || sc->sc_enaddr[2] ||
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sc->sc_enaddr[3] || sc->sc_enaddr[4] || sc->sc_enaddr[5])
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return ENXIO;
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/* Fill the softc struct with default values. */
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fe_softc_defaults(sc);
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/*
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* See if MBH10302 is on its address.
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* I'm not sure the following probe code works. FIXME.
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*/
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if (!fe_simple_probe(sc, probe_table))
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return ENXIO;
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/* Get our station address from EEPROM. */
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fe_inblk(sc, FE_MBH10, sc->sc_enaddr, ETHER_ADDR_LEN);
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/* Make sure we got a valid station address. */
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if (!valid_Ether_p(sc->sc_enaddr, 0))
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return ENXIO;
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/* Determine the card type. */
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sc->type = FE_TYPE_MBH;
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sc->typestr = "MBH10302 (PCMCIA)";
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/* We seems to need our own IDENT bits... FIXME. */
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sc->proto_dlcr7 = FE_D7_BYTSWP_LH | FE_D7_IDENT_NICE;
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/* Setup hooks. We need a special initialization procedure. */
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sc->init = fe_init_mbh;
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return 0;
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}
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/*
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* Probe and initialization for TDK/CONTEC PCMCIA Ethernet interface.
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* by MASUI Kenji <masui@cs.titech.ac.jp>
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*
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* (Contec uses TDK Ethenet chip -- hosokawa)
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*
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* This version of fe_probe_tdk has been rewrote to handle
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* *generic* PC card implementation of Fujitsu MB8696x family. The
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* name _tdk is just for a historical reason. :-)
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*/
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static int
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fe_probe_tdk (device_t dev)
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{
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struct fe_softc *sc = device_get_softc(dev);
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static struct fe_simple_probe_struct probe_table [] = {
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{ FE_DLCR2, 0x50, 0x00 },
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{ FE_DLCR4, 0x08, 0x00 },
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/* { FE_DLCR5, 0x80, 0x00 }, Does not work well. */
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{ 0 }
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};
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/* C-NET(PC)C occupies 16 I/O addresses. */
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if (fe_alloc_port(dev, 16))
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return ENXIO;
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/* Fill the softc struct with default values. */
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fe_softc_defaults(sc);
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/*
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* See if C-NET(PC)C is on its address.
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*/
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if (!fe_simple_probe(sc, probe_table))
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return ENXIO;
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/* Determine the card type. */
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sc->type = FE_TYPE_TDK;
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sc->typestr = "Generic MB8696x/78Q837x Ethernet (PCMCIA)";
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/* Make sure we got a valid station address. */
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if (!valid_Ether_p(sc->sc_enaddr, 0))
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return ENXIO;
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return 0;
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}
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