251 lines
6.6 KiB
C
251 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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* $FreeBSD$
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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/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 <sys/rman.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 <machine/clock.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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static const char *ep_pccard_identify(u_short id);
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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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ep_pccard_probe(device_t dev)
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{
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struct ep_softc * sc = device_get_softc(dev);
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struct ep_board * epb = &sc->epb;
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const char * desc;
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int error;
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error = ep_alloc(dev);
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if (error)
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return error;
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/*
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* XXX - Certain (newer?) 3Com cards need epb->cmd_off ==
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* 2. Sadly, you need to have a correct cmd_off in order to
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* identify the card. So we have to hit it with both and
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* cross our virtual fingers. There's got to be a better way
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* to do this. jyoung@accessus.net 09/11/1999
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*/
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epb->cmd_off = 0;
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epb->prod_id = get_e(sc, EEPROM_PROD_ID);
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if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) {
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if (bootverbose)
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device_printf(dev, "Pass 1 of 2 detection "
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"failed (nonfatal)\n");
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epb->cmd_off = 2;
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epb->prod_id = get_e(sc, EEPROM_PROD_ID);
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if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) {
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device_printf(dev, "Unit failed to come ready or "
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"product ID unknown! (id 0x%x)\n", epb->prod_id);
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ep_free(dev);
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return (ENXIO);
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}
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}
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device_set_desc(dev, desc);
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ep_free(dev);
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return (0);
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}
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static const char *
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ep_pccard_identify(u_short id)
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{
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/* Determine device type and associated MII capabilities */
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switch (id) {
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case 0x6055: /* 3C556 */
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return ("3Com 3C556");
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case 0x4057: /* 3C574 */
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return ("3Com 3C574");
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case 0x4b57: /* 3C574B */
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return ("3Com 3C574B, Megahertz 3CCFE574BT or "
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"Fast Etherlink 3C574-TX");
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case 0x9058: /* 3C589 */
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return ("3Com Etherlink III 3C589");
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case 0x2056: /* 3C562/3C563 */
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return ("3Com 3C562D/3C563D");
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}
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return (NULL);
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}
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static int
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ep_pccard_card_attach(struct ep_board *epb)
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{
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/* Determine device type and associated MII capabilities */
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switch (epb->prod_id) {
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case 0x6055: /* 3C556 */
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epb->mii_trans = 1;
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return (1);
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case 0x4057: /* 3C574 */
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epb->mii_trans = 1;
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return (1);
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case 0x4b57: /* 3C574B */
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epb->mii_trans = 1;
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return (1);
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case 0x2056: /* 3C562D/3C563D */
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case 0x9058: /* 3C589 */
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epb->mii_trans = 0;
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return (1);
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}
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return (0);
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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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int error = 0;
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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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sc->epb.cmd_off = 0;
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sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID);
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if (!ep_pccard_card_attach(&sc->epb)) {
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sc->epb.cmd_off = 2;
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sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID);
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sc->epb.res_cfg = get_e(sc, EEPROM_RESOURCE_CFG);
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if (!ep_pccard_card_attach(&sc->epb)) {
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device_printf(dev,
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"Probe found ID, attach failed so ignore card!\n");
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error = ENXIO;
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goto bad;
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}
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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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outw(BASE + EP_W0_ADDRESS_CFG, get_e(sc, EEPROM_ADDR_CFG) & 0xc000);
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/* Fake IRQ must be 3 */
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outw(BASE + EP_W0_RESOURCE_CFG, (sc->epb.res_cfg & 0x0fff) | 0x3000);
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outw(BASE + 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(3);
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outw(BASE + EP_W3_OPTIONS, 0x8040);
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DELAY(1000);
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outw(BASE + EP_W3_OPTIONS, 0xc040);
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outw(BASE + EP_COMMAND, RX_RESET);
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outw(BASE + EP_COMMAND, TX_RESET);
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while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
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DELAY(1000);
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outw(BASE + 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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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, ep_intr,
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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 int
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ep_pccard_detach(device_t dev)
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{
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struct ep_softc *sc = device_get_softc(dev);
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if (sc->gone) {
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device_printf(dev, "already unloaded\n");
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return (0);
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}
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sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING;
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if_detach(&sc->arpcom.ac_if);
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sc->gone = 1;
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bus_teardown_intr(dev, sc->irq, sc->ep_intrhand);
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ep_free(dev);
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device_printf(dev, "unload\n");
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return (0);
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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_pccard_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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