NetBSD/sys/dev/pci/if_ne_pci.c

277 lines
7.6 KiB
C
Raw Normal View History

1998-11-10 02:12:48 +03:00
/* $NetBSD: if_ne_pci.c,v 1.14 1998/11/09 23:14:12 thorpej Exp $ */
/*-
* Copyright (c) 1997, 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*/
1998-07-05 04:51:04 +04:00
#include "opt_inet.h"
#include "bpfilter.h"
#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>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_inarp.h>
#endif
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.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>
struct ne_pci_softc {
struct ne2000_softc sc_ne2000; /* real "ne2000" softc */
/* PCI-specific goo */
void *sc_ih; /* interrupt handle */
};
int ne_pci_match __P((struct device *, struct cfdata *, void *));
void ne_pci_attach __P((struct device *, struct device *, void *));
struct cfattach ne_pci_ca = {
sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach
};
const struct ne_pci_product {
pci_vendor_id_t npp_vendor;
pci_product_id_t npp_product;
int (*npp_mediachange) __P((struct dp8390_softc *));
void (*npp_mediastatus) __P((struct dp8390_softc *,
struct ifmediareq *));
void (*npp_init_card) __P((struct dp8390_softc *));
void (*npp_init_media) __P((struct dp8390_softc *, int **,
int *, int *));
const char *npp_name;
} ne_pci_products[] = {
{ PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029,
rtl80x9_mediachange, rtl80x9_mediastatus,
rtl80x9_init_card, rtl80x9_init_media,
"RealTek 8029" },
{ PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F,
NULL, NULL,
NULL, NULL,
"Winbond 89C940F" },
{ PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926,
NULL, NULL,
NULL, NULL,
"VIA Technologies VT86C926" },
{ PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34,
NULL, NULL,
NULL, NULL,
"Surecom NE-34" },
{ PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_5000,
NULL, NULL,
NULL, NULL,
"NetVin 5000" },
/* XXX The following entries need sanity checking in pcidevs */
{ PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_NE2KETHER,
NULL, NULL,
NULL, NULL,
"Compex" },
{ PCI_VENDOR_PROLAN, PCI_PRODUCT_PROLAN_NE2KETHER,
NULL, NULL,
NULL, NULL,
"ProLAN" },
{ PCI_VENDOR_KTI, PCI_PRODUCT_KTI_NE2KETHER,
NULL, NULL,
NULL, NULL,
"KTI" },
{ 0, 0,
NULL, NULL,
NULL, NULL,
NULL },
};
1998-11-10 02:12:48 +03:00
const struct ne_pci_product *ne_pci_lookup
__P((const struct pci_attach_args *));
const struct ne_pci_product *
ne_pci_lookup(pa)
1998-11-10 02:12:48 +03:00
const struct pci_attach_args *pa;
{
const struct ne_pci_product *npp;
for (npp = ne_pci_products; npp->npp_name != NULL; npp++) {
if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor &&
PCI_PRODUCT(pa->pa_id) == npp->npp_product)
return (npp);
}
return (NULL);
}
/*
* PCI constants.
* XXX These should be in a common file!
*/
#define PCI_CBIO 0x10 /* Configuration Base IO Address */
int
ne_pci_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct pci_attach_args *pa = aux;
if (ne_pci_lookup(pa) != NULL)
return (1);
return (0);
}
void
ne_pci_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ne_pci_softc *psc = (struct ne_pci_softc *)self;
struct ne2000_softc *nsc = &psc->sc_ne2000;
struct dp8390_softc *dsc = &nsc->sc_dp8390;
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
bus_space_tag_t nict;
bus_space_handle_t nich;
bus_space_tag_t asict;
bus_space_handle_t asich;
const char *intrstr;
const struct ne_pci_product *npp;
pci_intr_handle_t ih;
pcireg_t csr;
int *media, nmedia, defmedia;
npp = ne_pci_lookup(pa);
if (npp == NULL) {
printf("\n");
panic("ne_pci_attach: impossible");
}
printf(": %s Ethernet\n", npp->npp_name);
if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
&nict, &nich, NULL, NULL)) {
printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname);
return;
}
asict = nict;
if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
NE2000_ASIC_NPORTS, &asich)) {
printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
return;
}
dsc->sc_regt = nict;
dsc->sc_regh = nich;
nsc->sc_asict = asict;
nsc->sc_asich = asich;
/* Enable the card. */
csr = pci_conf_read(pc, pa->pa_tag,
PCI_COMMAND_STATUS_REG);
pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
csr | PCI_COMMAND_MASTER_ENABLE);
/* This interface is always enabled. */
dsc->sc_enabled = 1;
if (npp->npp_init_media != NULL) {
(*npp->npp_init_media)(dsc, &media, &nmedia, &defmedia);
dsc->sc_mediachange = npp->npp_mediachange;
dsc->sc_mediastatus = npp->npp_mediastatus;
} else {
media = NULL;
nmedia = 0;
defmedia = 0;
}
/* Always fill in init_card; it might be used for non-media stuff. */
dsc->init_card = npp->npp_init_card;
/*
* Do generic NE2000 attach. This will read the station address
* from the EEPROM.
*/
ne2000_attach(nsc, NULL, media, nmedia, defmedia);
/* Map and establish the interrupt. */
if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
pa->pa_intrline, &ih)) {
printf("%s: couldn't map interrupt\n", dsc->sc_dev.dv_xname);
return;
}
intrstr = pci_intr_string(pc, ih);
psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc);
if (psc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt",
dsc->sc_dev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf("%s: interrupting at %s\n", dsc->sc_dev.dv_xname, intrstr);
}