FreeBSD-5.3/sys/dev/ep/if_ep_pccard.c
/*
* Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Herb Peyerl.
* 4. The name of Herb Peyerl 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 ``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 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.
*/
/*
* Pccard support for 3C589 by:
* HAMADA Naoki
* nao@tom-yam.or.jp
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/sys/dev/ep/if_ep_pccard.c,v 1.38 2004/05/27 03:49:41 imp Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/socket.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_arp.h>
#include <net/if_media.h>
#include <dev/ep/if_epreg.h>
#include <dev/ep/if_epvar.h>
#include <dev/pccard/pccardvar.h>
#include "card_if.h"
#include "pccarddevs.h"
static const char *ep_pccard_identify(u_short id);
/*
* Initialize the device - called from Slot manager.
*/
static int
ep_pccard_probe(device_t dev)
{
struct ep_softc *sc = device_get_softc(dev);
struct ep_board *epb = &sc->epb;
const char *desc;
u_int16_t result;
int error;
error = ep_alloc(dev);
if (error)
return (error);
/*
* It appears that the eeprom comes in two sizes. There's
* a 512 byte eeprom and a 2k eeprom. Bit 13 of the eeprom
* command register is supposed to contain the size of the
* eeprom.
*/
/*
* XXX - Certain (newer?) 3Com cards need epb->cmd_off ==
* 2. Sadly, you need to have a correct cmd_off in order to
* identify the card. So we have to hit it with both and
* cross our virtual fingers. There's got to be a better way
* to do this. jyoung@accessus.net 09/11/1999
*/
epb->cmd_off = 0;
/* XXX check return */
error = get_e(sc, EEPROM_PROD_ID, &result);
epb->prod_id = result;
if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) {
if (bootverbose)
device_printf(dev, "Pass 1 of 2 detection "
"failed (nonfatal) id 0x%x\n", epb->prod_id);
epb->cmd_off = 2;
/* XXX check return */
error = get_e(sc, EEPROM_PROD_ID, &result);
epb->prod_id = result;
if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) {
device_printf(dev, "Unit failed to come ready or "
"product ID unknown! (id 0x%x)\n", epb->prod_id);
ep_free(dev);
return (ENXIO);
}
}
device_set_desc(dev, desc);
/*
* Newer cards supported by this device need to have their
* MAC address set.
*/
error = ep_get_macaddr(sc, (u_char *)&sc->arpcom.ac_enaddr);
ep_free(dev);
return (0);
}
static const char *
ep_pccard_identify(u_short id)
{
/* Determine device type and associated MII capabilities */
switch (id) {
case 0x6055: /* 3C556 */
return ("3Com 3C556");
case 0x4057: /* 3C574 */
return ("3Com 3C574");
case 0x4b57: /* 3C574B */
return ("3Com 3C574B, Megahertz 3CCFE574BT or "
"Fast Etherlink 3C574-TX");
case 0x2b57: /* 3CXSH572BT */
return ("3Com OfficeConnect 572BT");
case 0x9058: /* 3C589 */
return ("3Com Etherlink III 3C589");
case 0x2056: /* 3C562/3C563 */
return ("3Com 3C562D/3C563D");
case 0x0010: /* 3C1 */
return ("3Com Megahertz C1");
case 0x0035:
return ("3Com 3CCEM556");
default:
printf("Unknown ID: 0x%x\n", id);
return (NULL);
}
}
static int
ep_pccard_card_attach(struct ep_board * epb)
{
/* Determine device type and associated MII capabilities */
switch (epb->prod_id) {
case 0x6055: /* 3C556 */
case 0x2b57: /* 3C572BT */
case 0x4057: /* 3C574 */
case 0x4b57: /* 3C574B */
epb->mii_trans = 1;
return (1);
case 0x2056: /* 3C562D/3C563D */
case 0x9058: /* 3C589 */
case 0x0010: /* 3C1 */
case 0x0035: /* 3C[XC]EM556 */
epb->mii_trans = 0;
return (1);
default:
return (0);
}
}
static int
ep_pccard_attach(device_t dev)
{
struct ep_softc *sc = device_get_softc(dev);
u_int16_t result;
int error = 0;
if ((error = ep_alloc(dev))) {
device_printf(dev, "ep_alloc() failed! (%d)\n", error);
goto bad;
}
sc->epb.cmd_off = 0;
/* XXX check return */
error = get_e(sc, EEPROM_PROD_ID, &result);
sc->epb.prod_id = result;
if (!ep_pccard_card_attach(&sc->epb)) {
sc->epb.cmd_off = 2;
error = get_e(sc, EEPROM_PROD_ID, &result);
sc->epb.prod_id = result;
error = get_e(sc, EEPROM_RESOURCE_CFG, &result);
sc->epb.res_cfg = result;
if (!ep_pccard_card_attach(&sc->epb)) {
device_printf(dev,
"Probe found ID, attach failed so ignore card!\n");
error = ENXIO;
goto bad;
}
}
error = get_e(sc, EEPROM_ADDR_CFG, &result);
/* ROM size = 0, ROM base = 0 */
/* For now, ignore AUTO SELECT feature of 3C589B and later. */
CSR_WRITE_2(sc, EP_W0_ADDRESS_CFG, result & 0xc000);
/*
* Fake IRQ must be 3 for 3C589 and 3C589B. 3C589D and newer
* ignore this value. 3C589C is unknown, as are the other
* cards supported by this driver, but it appears to never hurt
* and always helps.
*/
SET_IRQ(sc, 3);
CSR_WRITE_2(sc, EP_W0_PRODUCT_ID, sc->epb.prod_id);
if (sc->epb.mii_trans) {
/*
* turn on the MII transciever
*/
GO_WINDOW(sc, 3);
CSR_WRITE_2(sc, EP_W3_OPTIONS, 0x8040);
DELAY(1000);
CSR_WRITE_2(sc, EP_W3_OPTIONS, 0xc040);
CSR_WRITE_2(sc, EP_COMMAND, RX_RESET);
CSR_WRITE_2(sc, EP_COMMAND, TX_RESET);
EP_BUSY_WAIT(sc);
DELAY(1000);
CSR_WRITE_2(sc, EP_W3_OPTIONS, 0x8040);
} else
ep_get_media(sc);
if ((error = ep_attach(sc))) {
device_printf(dev, "ep_attach() failed! (%d)\n", error);
goto bad;
}
if ((error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, ep_intr,
sc, &sc->ep_intrhand))) {
device_printf(dev, "bus_setup_intr() failed! (%d)\n", error);
goto bad;
}
return (0);
bad:
ep_free(dev);
return (error);
}
static const struct pccard_product ep_pccard_products[] = {
PCMCIA_CARD(3COM, 3C1, 0),
PCMCIA_CARD(3COM, 3C562, 0),
PCMCIA_CARD(3COM, 3C574, 0), /* ROADRUNNER */
PCMCIA_CARD(3COM, 3C589, 0),
PCMCIA_CARD(3COM, 3CCFEM556BI, 0), /* ROADRUNNER */
PCMCIA_CARD(3COM, 3CXEM556, 0),
PCMCIA_CARD(3COM, 3CXEM556INT, 0),
{NULL}
};
static int
ep_pccard_match(device_t dev)
{
const struct pccard_product *pp;
if ((pp = pccard_product_lookup(dev, ep_pccard_products,
sizeof(ep_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 ep_pccard_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pccard_compat_probe),
DEVMETHOD(device_attach, pccard_compat_attach),
DEVMETHOD(device_detach, ep_detach),
/* Card interface */
DEVMETHOD(card_compat_match, ep_pccard_match),
DEVMETHOD(card_compat_probe, ep_pccard_probe),
DEVMETHOD(card_compat_attach, ep_pccard_attach),
{0, 0}
};
static driver_t ep_pccard_driver = {
"ep",
ep_pccard_methods,
sizeof(struct ep_softc),
};
extern devclass_t ep_devclass;
DRIVER_MODULE(ep, pccard, ep_pccard_driver, ep_devclass, 0, 0);