e94b9f21a8
ID, plus the ability to force '16-bit mode' which really means NE-2000 mode. Other open source drivers suggest that the Holtek misbehaves if you allow the 8-bit probe. Also, all of the PCI chips emulate NE-2000ish cards, so always force 16-bit mode for memory transfers. PR: 84202 (patch not used)
146 lines
3.7 KiB
C
146 lines
3.7 KiB
C
/*-
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* Copyright (c) 1996 Stefan Esser <se@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Absolutely no warranty of function or purpose is made by the author
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* Stefan Esser.
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* 4. Modifications may be freely made to this file if the above conditions
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* are met.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/socket.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <machine/resource.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/if_media.h>
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#include <net/if_mib.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/ed/if_edvar.h>
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#include <dev/ed/rtl80x9reg.h>
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static struct _pcsid
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{
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uint32_t type;
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const char *desc;
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} pci_ids[] =
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{
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{ 0x140111f6, "Compex RL2000" },
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{ 0x005812c3, "Holtek HT80232" },
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{ 0x30008e2e, "KTI ET32P2" },
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{ 0x50004a14, "NetVin NV5000SC" },
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{ 0x09401050, "ProLAN" },
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{ ED_RTL8029_PCI_ID, "RealTek 8029" }, /* Needs realtek full duplex */
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{ 0x0e3410bd, "Surecom NE-34" },
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{ 0x09261106, "VIA VT86C926" },
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{ 0x19808c4a, "Winbond W89C940" },
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{ 0x5a5a1050, "Winbond W89C940F" },
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#if 0
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/* some Holtek needs special lovin', disabled by default */
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/* The Holtek can report/do full duplex, but that's unimplemented */
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{ 0x559812c3, "Holtek HT80229" }, /* Only 32-bit I/O, Holtek fdx, STOP_PG_60? */
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#endif
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{ 0x00000000, NULL }
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};
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static int ed_pci_probe(device_t);
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static int ed_pci_attach(device_t);
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static int
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ed_pci_probe(device_t dev)
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{
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uint32_t type = pci_get_devid(dev);
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struct _pcsid *ep =pci_ids;
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while (ep->type && ep->type != type)
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++ep;
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if (ep->desc == NULL)
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return (ENXIO);
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device_set_desc(dev, ep->desc);
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return (BUS_PROBE_DEFAULT);
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}
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static int
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ed_pci_attach(device_t dev)
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{
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struct ed_softc *sc = device_get_softc(dev);
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int error = ENXIO;
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/*
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* Probe RTL8029 cards, but allow failure and try as a generic
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* ne-2000. QEMU 0.9 and earlier use the RTL8029 PCI ID, but
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* are areally just generic ne-2000 cards.
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*/
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if (pci_get_devid(dev) == ED_RTL8029_PCI_ID)
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error = ed_probe_RTL80x9(dev, PCIR_BAR(0), 0);
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if (error)
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error = ed_probe_Novell(dev, PCIR_BAR(0),
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ED_FLAGS_FORCE_16BIT_MODE);
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if (error) {
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ed_release_resources(dev);
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return (error);
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}
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ed_Novell_read_mac(sc);
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error = ed_alloc_irq(dev, 0, RF_SHAREABLE);
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if (error) {
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ed_release_resources(dev);
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return (error);
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}
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if (sc->sc_media_ioctl == NULL)
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ed_gen_ifmedia_init(sc);
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error = ed_attach(dev);
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if (error) {
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ed_release_resources(dev);
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return (error);
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}
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error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE,
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NULL, edintr, sc, &sc->irq_handle);
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if (error)
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ed_release_resources(dev);
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return (error);
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}
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static device_method_t ed_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ed_pci_probe),
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DEVMETHOD(device_attach, ed_pci_attach),
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DEVMETHOD(device_detach, ed_detach),
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{ 0, 0 }
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};
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static driver_t ed_pci_driver = {
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"ed",
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ed_pci_methods,
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sizeof(struct ed_softc),
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};
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DRIVER_MODULE(ed, pci, ed_pci_driver, ed_devclass, 0, 0);
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MODULE_DEPEND(ed, pci, 1, 1, 1);
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MODULE_DEPEND(ed, ether, 1, 1, 1);
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