NetBSD/sys/dev/pci/if_ep_pci.c

199 lines
5.1 KiB
C

/* $NetBSD: if_ep_pci.c,v 1.7 1996/05/13 00:03:15 mycroft Exp $ */
/*
* Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
* 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.
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/syslog.h>
#include <sys/select.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_ether.h>
#endif
#ifdef NS
#include <netns/ns.h>
#include <netns/ns_if.h>
#endif
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
#include <machine/cpu.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/ic/elink3var.h>
#include <dev/ic/elink3reg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
/*
* PCI constants.
* XXX These should be in a common file!
*/
#define PCI_CONN 0x48 /* Connector type */
#define PCI_CBIO 0x10 /* Configuration Base IO Address */
int ep_pci_match __P((struct device *, void *, void *));
void ep_pci_attach __P((struct device *, struct device *, void *));
struct cfattach ep_pci_ca = {
sizeof(struct ep_softc), ep_pci_match, ep_pci_attach
};
int
ep_pci_match(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct pci_attach_args *pa = (struct pci_attach_args *) aux;
if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM)
return 0;
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_3COM_3C590:
case PCI_PRODUCT_3COM_3C595:
break;
default:
return 0;
}
return 1;
}
void
ep_pci_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ep_softc *sc = (void *)self;
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
bus_chipset_tag_t bc = pa->pa_bc;
bus_io_addr_t iobase;
bus_io_size_t iosize;
pci_intr_handle_t ih;
u_short conn = 0;
pcireg_t i;
char *model;
const char *intrstr = NULL;
if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) {
printf(": can't find i/o space\n");
return;
}
if (bus_io_map(bc, iobase, iosize, &sc->sc_ioh)) {
printf(": can't map i/o space\n");
return;
}
sc->sc_bc = bc;
sc->bustype = EP_BUS_PCI;
i = pci_conf_read(pc, pa->pa_tag, PCI_CONN);
/*
* Bits 13,12,9 of the isa adapter are the same as bits
* 5,4,3 of the pci adapter
*/
if (i & IS_PCI_AUI)
conn |= IS_AUI;
if (i & IS_PCI_BNC)
conn |= IS_BNC;
if (i & IS_PCI_UTP)
conn |= IS_UTP;
GO_WINDOW(0);
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_3COM_3C590:
model = "3Com 3C590 Ethernet";
break;
case PCI_PRODUCT_3COM_3C595:
model = "3Com 3C595 Ethernet";
break;
default:
model = "unknown model!";
}
printf(": %s\n", model);
epconfig(sc, conn);
/* Enable the card. */
pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
PCI_COMMAND_MASTER_ENABLE);
/* 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", sc->sc_dev.dv_xname);
return;
}
intrstr = pci_intr_string(pc, ih);
sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt",
sc->sc_dev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
epstop(sc);
}