NetBSD-5.0.2/sys/dev/ic/rtl80x9.c
/* $NetBSD: rtl80x9.c,v 1.14 2008/04/28 20:23:51 martin Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: rtl80x9.c,v 1.14 2008/04/28 20:23:51 martin Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/syslog.h>
#include <sys/socket.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_ether.h>
#include <net/if_media.h>
#include <sys/bus.h>
#include <sys/intr.h>
#include <dev/ic/dp8390reg.h>
#include <dev/ic/dp8390var.h>
#include <dev/ic/ne2000reg.h>
#include <dev/ic/ne2000var.h>
#include <dev/ic/rtl80x9reg.h>
#include <dev/ic/rtl80x9var.h>
int
rtl80x9_mediachange(dsc)
struct dp8390_softc *dsc;
{
/*
* Current media is already set up. Just reset the interface
* to let the new value take hold. The new media will be
* set up in ne_pci_rtl8029_init_card() called via dp8390_init().
*/
dp8390_reset(dsc);
return (0);
}
void
rtl80x9_mediastatus(sc, ifmr)
struct dp8390_softc *sc;
struct ifmediareq *ifmr;
{
struct ifnet *ifp = &sc->sc_ec.ec_if;
u_int8_t cr_proto = sc->cr_proto |
((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
/*
* Sigh, can detect which media is being used, but can't
* detect if we have link or not.
*/
/* Set NIC to page 3 registers. */
NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) &
RTL3_CONFIG0_BNC)
ifmr->ifm_active = IFM_ETHER|IFM_10_2;
else {
ifmr->ifm_active = IFM_ETHER|IFM_10_T;
if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) &
RTL3_CONFIG3_FUDUP)
ifmr->ifm_active |= IFM_FDX;
}
/* Set NIC to page 0 registers. */
NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
}
void
rtl80x9_init_card(sc)
struct dp8390_softc *sc;
{
struct ifmedia *ifm = &sc->sc_media;
struct ifnet *ifp = &sc->sc_ec.ec_if;
u_int8_t cr_proto = sc->cr_proto |
((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
u_int8_t reg;
/* Set NIC to page 3 registers. */
NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
/* write enable config1-3. */
NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR,
RTL3_EECR_EEM1|RTL3_EECR_EEM0);
/* First, set basic media type. */
reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0);
switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
case IFM_AUTO:
/* Nothing to do; both bits clear == auto-detect. */
break;
case IFM_10_T:
/*
* According to docs, this should be:
* reg |= RTL3_CONFIG2_PL0;
* but this doesn't work, so make it the same as AUTO.
*/
break;
case IFM_10_2:
reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
break;
}
NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg);
/* Now, set duplex mode. */
reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
if (ifm->ifm_cur->ifm_media & IFM_FDX)
reg |= RTL3_CONFIG3_FUDUP;
else
reg &= ~RTL3_CONFIG3_FUDUP;
NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg);
/* write disable config1-3 */
NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0);
/* Set NIC to page 0 registers. */
NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
}
void
rtl80x9_media_init(sc)
struct dp8390_softc *sc;
{
static int rtl80x9_media[] = {
IFM_ETHER|IFM_AUTO,
IFM_ETHER|IFM_10_T,
IFM_ETHER|IFM_10_T|IFM_FDX,
IFM_ETHER|IFM_10_2,
};
static const int rtl80x9_nmedia =
sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]);
int i, defmedia;
u_int8_t conf2, conf3;
aprint_normal_dev(sc->sc_dev,
"10base2, 10baseT, 10baseT-FDX, auto, default ");
bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3);
conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
printf("[0x%02x 0x%02x] ", conf2, conf3);
conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
switch (conf2) {
default:
defmedia = IFM_ETHER|IFM_AUTO;
printf("auto\n");
break;
case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0:
case RTL3_CONFIG2_PL1: /* XXX rtl docs sys 10base5, but chip cant do */
defmedia = IFM_ETHER|IFM_10_2;
printf("10base2\n");
break;
case RTL3_CONFIG2_PL0:
if (conf3 & RTL3_CONFIG3_FUDUP) {
defmedia = IFM_ETHER|IFM_10_T|IFM_FDX;
printf("10baseT-FDX\n");
} else {
defmedia = IFM_ETHER|IFM_10_T;
printf("10baseT\n");
}
break;
}
bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0);
ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus);
for (i = 0; i < rtl80x9_nmedia; i++)
ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL);
ifmedia_set(&sc->sc_media, defmedia);
}