235 lines
6.6 KiB
C
235 lines
6.6 KiB
C
/*-
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* Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca>
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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, 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Herb Peyerl.
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* 4. The name of Herb Peyerl 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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Pccard support for 3C589 by:
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* HAMADA Naoki
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* nao@tom-yam.or.jp
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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/kernel.h>
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#include <sys/socket.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 <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_arp.h>
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#include <net/if_media.h>
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#include <dev/ep/if_epreg.h>
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#include <dev/ep/if_epvar.h>
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#include <dev/pccard/pccardvar.h>
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#include <dev/pccard/pccard_cis.h>
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#include "pccarddevs.h"
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struct ep_pccard_product
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{
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struct pccard_product prod;
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int chipset;
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};
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#define EP_CHIP_589 1 /* Classic 3c5x9 chipset */
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#define EP_CHIP_574 2 /* Roadrunner */
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static const struct ep_pccard_product ep_pccard_products[] = {
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{ PCMCIA_CARD(3COM, 3C1), EP_CHIP_589 },
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{ PCMCIA_CARD(3COM, 3C562), EP_CHIP_589 },
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{ PCMCIA_CARD(3COM, 3C589), EP_CHIP_589 },
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{ PCMCIA_CARD(3COM, 3CXEM556), EP_CHIP_589 },
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{ PCMCIA_CARD(3COM, 3CXEM556INT), EP_CHIP_589 },
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{ PCMCIA_CARD(3COM, 3C574), EP_CHIP_574 },
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{ PCMCIA_CARD(3COM, 3CCFEM556BI), EP_CHIP_574 },
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{ { NULL } }
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};
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static const struct ep_pccard_product *
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ep_pccard_lookup(device_t dev)
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{
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return ((const struct ep_pccard_product *)pccard_product_lookup(dev,
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(const struct pccard_product *)ep_pccard_products,
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sizeof(ep_pccard_products[0]), NULL));
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}
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static int
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ep_pccard_probe(device_t dev)
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{
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const struct ep_pccard_product *pp;
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int error;
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uint32_t fcn = PCCARD_FUNCTION_UNSPEC;
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/* Make sure we're a network function */
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error = pccard_get_function(dev, &fcn);
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if (error != 0)
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return (error);
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if (fcn != PCCARD_FUNCTION_NETWORK)
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return (ENXIO);
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/* Check to see if we know about this card */
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if ((pp = ep_pccard_lookup(dev)) == NULL)
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return EIO;
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if (pp->prod.pp_name != NULL)
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device_set_desc(dev, pp->prod.pp_name);
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return 0;
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}
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static int
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ep_pccard_mac(const struct pccard_tuple *tuple, void *argp)
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{
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uint8_t *enaddr = argp;
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int i;
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/* Code 0x88 is 3com's special cis node contianing the MAC */
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if (tuple->code != 0x88)
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return (0);
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/* Make sure this is a sane node */
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if (tuple->length < ETHER_ADDR_LEN)
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return (0);
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/* Copy the MAC ADDR and return success */
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for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
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enaddr[i] = pccard_tuple_read_1(tuple, i + 1);
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enaddr[i + 1] = pccard_tuple_read_1(tuple, i);
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}
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return (1);
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}
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static int
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ep_pccard_attach(device_t dev)
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{
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struct ep_softc *sc = device_get_softc(dev);
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uint16_t result;
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int error = 0;
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const struct ep_pccard_product *pp;
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if ((pp = ep_pccard_lookup(dev)) == NULL)
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panic("ep_pccard_attach: can't find product in attach.");
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if (pp->chipset == EP_CHIP_589) {
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sc->epb.mii_trans = 0;
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sc->epb.cmd_off = 0;
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} else {
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sc->epb.mii_trans = 1;
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sc->epb.cmd_off = 2;
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}
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if ((error = ep_alloc(dev))) {
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device_printf(dev, "ep_alloc() failed! (%d)\n", error);
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goto bad;
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}
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/* ROM size = 0, ROM base = 0 */
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/* For now, ignore AUTO SELECT feature of 3C589B and later. */
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error = ep_get_e(sc, EEPROM_ADDR_CFG, &result);
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CSR_WRITE_2(sc, EP_W0_ADDRESS_CFG, result & 0xc000);
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/*
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* Fake IRQ must be 3 for 3C589 and 3C589B. 3C589D and newer
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* ignore this value. 3C589C is unknown, as are the other
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* cards supported by this driver, but it appears to never hurt
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* and always helps.
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*/
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SET_IRQ(sc, 3);
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CSR_WRITE_2(sc, EP_W0_PRODUCT_ID, sc->epb.prod_id);
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if (sc->epb.mii_trans) {
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/*
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* turn on the MII transciever
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*/
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GO_WINDOW(sc, 3);
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CSR_WRITE_2(sc, EP_W3_OPTIONS, 0x8040);
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DELAY(1000);
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CSR_WRITE_2(sc, EP_W3_OPTIONS, 0xc040);
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CSR_WRITE_2(sc, EP_COMMAND, RX_RESET);
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CSR_WRITE_2(sc, EP_COMMAND, TX_RESET);
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EP_BUSY_WAIT(sc);
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DELAY(1000);
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CSR_WRITE_2(sc, EP_W3_OPTIONS, 0x8040);
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} else
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ep_get_media(sc);
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/*
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* The 3C562 (a-c revisions) stores the MAC in the CIS in a
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* way that's unique to 3com. If we have one of these cards,
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* scan the CIS for that MAC address, and use it if we find
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* it. The NetBSD driver says that the ROADRUNNER chips also
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* do this, which may be true, but none of the cards that I
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* have include this TUPLE. Always prefer the MAC addr in the
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* CIS tuple to the one returned by the card, as it appears that
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* only those cards that need it have this special tuple.
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*/
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if (pccard_cis_scan(dev, ep_pccard_mac, sc->eaddr))
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sc->stat |= F_ENADDR_SKIP;
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if ((error = ep_attach(sc))) {
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device_printf(dev, "ep_attach() failed! (%d)\n", error);
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goto bad;
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}
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if ((error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
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ep_intr, sc, &sc->ep_intrhand))) {
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device_printf(dev, "bus_setup_intr() failed! (%d)\n", error);
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goto bad;
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}
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return (0);
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bad:
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ep_free(dev);
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return (error);
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}
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static device_method_t ep_pccard_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ep_pccard_probe),
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DEVMETHOD(device_attach, ep_pccard_attach),
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DEVMETHOD(device_detach, ep_detach),
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{0, 0}
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};
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static driver_t ep_pccard_driver = {
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"ep",
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ep_pccard_methods,
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sizeof(struct ep_softc),
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};
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extern devclass_t ep_devclass;
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DRIVER_MODULE(ep, pccard, ep_pccard_driver, ep_devclass, 0, 0);
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