NetBSD/sys/dev/pci/if_esh_pci.c

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/* $NetBSD: if_esh_pci.c,v 1.6 2000/01/21 23:39:59 thorpej Exp $ */
/*
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* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code contributed to The NetBSD Foundation by Kevin M. Lahey
* of the Numerical Aerospace Simulation Facility, NASA Ames Research
* Center.
*
* Partially based on a HIPPI driver written by Essential Communications
* Corporation.
*
* 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.
*/
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#include "opt_inet.h"
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#include "opt_ns.h"
#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 <sys/buf.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_hippi.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_inarp.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/rrunnerreg.h>
#include <dev/ic/rrunnervar.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 */
#define MEM_MAP_REG 0x10
int esh_pci_match __P((struct device *, struct cfdata *, void *));
void esh_pci_attach __P((struct device *, struct device *, void *));
static u_int8_t esh_pci_bist_read __P((struct esh_softc *));
static void esh_pci_bist_write __P((struct esh_softc *, u_int8_t));
struct cfattach esh_pci_ca = {
sizeof(struct esh_softc), esh_pci_match, esh_pci_attach
};
int
esh_pci_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct pci_attach_args *pa = (struct pci_attach_args *) aux;
if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ESSENTIAL)
return 0;
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_ESSENTIAL_RR_HIPPI:
case PCI_PRODUCT_ESSENTIAL_RR_GIGE:
break;
default:
return 0;
}
return 1;
}
void
esh_pci_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct esh_softc *sc = (void *)self;
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
pci_intr_handle_t ih;
char *model;
const char *intrstr = NULL;
if (pci_mapreg_map(pa, MEM_MAP_REG,
PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
&sc->sc_iot, &sc->sc_ioh, NULL, NULL) != 0) {
printf(": unable to map memory device registers\n");
return;
}
sc->sc_dmat = pa->pa_dmat;
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_ESSENTIAL_RR_HIPPI:
model = "RoadRunner HIPPI";
break;
case PCI_PRODUCT_ESSENTIAL_RR_GIGE:
model = "RoadRunner Gig-E";
break;
default:
model = "unknown model";
break;
}
printf(": %s\n", model);
sc->sc_bist_read = esh_pci_bist_read;
sc->sc_bist_write = esh_pci_bist_write;
eshconfig(sc);
/* 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, eshintr, 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);
}
u_int8_t
esh_pci_bist_read(sc)
struct esh_softc *sc;
{
bus_space_tag_t iot = sc->sc_iot;
bus_space_handle_t ioh = sc->sc_ioh;
u_int32_t pci_bist;
pci_bist = bus_space_read_4(iot, ioh, RR_PCI_BIST);
return ((u_int8_t) (pci_bist >> 24));
}
void
esh_pci_bist_write(sc, value)
struct esh_softc *sc;
u_int8_t value;
{
bus_space_tag_t iot = sc->sc_iot;
bus_space_handle_t ioh = sc->sc_ioh;
u_int32_t pci_bist;
u_int32_t new_bist;
pci_bist = bus_space_read_4(iot, ioh, RR_PCI_BIST);
new_bist = ((u_int32_t) value << 24) | (pci_bist & 0x00ffffff);
bus_space_write_4(iot, ioh, RR_PCI_BIST, new_bist);
}