261178d14f
network layer (ether). - Don't abuse module names to facilitate ifconfig module loading; such abuse isn't really needed. (And if we do need type information associated with a module then we should make it explicit and not use hacks.)
237 lines
5.7 KiB
C
237 lines
5.7 KiB
C
/*-
|
|
* Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
|
|
* 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. The name of the author 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.
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* DEC PDQ FDDI Controller; code for BSD derived operating systems
|
|
*
|
|
* This module supports the DEC DEFPA PCI FDDI Controller
|
|
*/
|
|
|
|
#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_memio.h>
|
|
#include <machine/bus_pio.h>
|
|
#include <machine/bus.h>
|
|
#include <machine/resource.h>
|
|
#include <sys/rman.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_arp.h>
|
|
#include <net/if_media.h>
|
|
#include <net/fddi.h>
|
|
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/pci/pcireg.h>
|
|
|
|
#include <dev/pdq/pdq_freebsd.h>
|
|
#include <dev/pdq/pdqreg.h>
|
|
|
|
#define DEC_VENDORID 0x1011
|
|
#define DEFPA_CHIPID 0x000F
|
|
|
|
#define DEFPA_LATENCY 0x88
|
|
|
|
#define PCI_CFLT 0x0C /* Configuration Latency */
|
|
#define PCI_CBMA 0x10 /* Configuration Base Memory Address */
|
|
#define PCI_CBIO 0x14 /* Configuration Base I/O Address */
|
|
|
|
static int pdq_pci_probe (device_t);
|
|
static int pdq_pci_attach (device_t);
|
|
static int pdq_pci_detach (device_t);
|
|
static void pdq_pci_shutdown (device_t);
|
|
static void pdq_pci_ifintr (void *);
|
|
|
|
static void
|
|
pdq_pci_ifintr(void *arg)
|
|
{
|
|
device_t dev;
|
|
pdq_softc_t *sc;
|
|
|
|
dev = (device_t)arg;
|
|
sc = device_get_softc(dev);
|
|
|
|
PDQ_LOCK(sc);
|
|
(void) pdq_interrupt(sc->sc_pdq);
|
|
PDQ_UNLOCK(sc);
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* This is the PCI configuration support.
|
|
*/
|
|
static int
|
|
pdq_pci_probe(device_t dev)
|
|
{
|
|
if (pci_get_vendor(dev) == DEC_VENDORID &&
|
|
pci_get_device(dev) == DEFPA_CHIPID) {
|
|
device_set_desc(dev, "Digital DEFPA PCI FDDI Controller");
|
|
return (0);
|
|
}
|
|
|
|
return (ENXIO);
|
|
}
|
|
|
|
static int
|
|
pdq_pci_attach(device_t dev)
|
|
{
|
|
pdq_softc_t *sc;
|
|
struct ifnet *ifp;
|
|
u_int32_t command;
|
|
int error;
|
|
|
|
sc = device_get_softc(dev);
|
|
ifp = &sc->arpcom.ac_if;
|
|
|
|
sc->dev = dev;
|
|
|
|
/*
|
|
* Map control/status registers.
|
|
*/
|
|
pci_enable_busmaster(dev);
|
|
pci_enable_io(dev, SYS_RES_IOPORT);
|
|
pci_enable_io(dev, SYS_RES_MEMORY);
|
|
command = pci_read_config(dev, PCIR_COMMAND, 4);
|
|
|
|
if (!(command & PCIM_CMD_PORTEN)) {
|
|
device_printf(dev, "Failed to enable PCI I/O ports.\n");
|
|
error = ENXIO;
|
|
goto bad;
|
|
}
|
|
|
|
if (!(command & PCIM_CMD_MEMEN)) {
|
|
device_printf(dev, "Failed to enable PCI memory mapping.\n");
|
|
error = ENXIO;
|
|
goto bad;
|
|
}
|
|
|
|
command = pci_read_config(dev, PCIR_LATTIMER, 1);
|
|
if (command < DEFPA_LATENCY) {
|
|
command = DEFPA_LATENCY;
|
|
pci_write_config(dev, PCIR_LATTIMER, command, 1);
|
|
}
|
|
|
|
sc->mem_rid = PCI_CBMA;
|
|
sc->mem_type = SYS_RES_MEMORY;
|
|
sc->mem = bus_alloc_resource(dev, sc->mem_type, &sc->mem_rid,
|
|
0, ~0, 1, RF_ACTIVE);
|
|
if (!sc->mem) {
|
|
device_printf(dev, "Unable to allocate I/O space resource.\n");
|
|
error = ENXIO;
|
|
goto bad;
|
|
}
|
|
sc->mem_bsh = rman_get_bushandle(sc->mem);
|
|
sc->mem_bst = rman_get_bustag(sc->mem);
|
|
|
|
sc->irq_rid = 0;
|
|
sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
|
|
0, ~0, 1, RF_SHAREABLE | RF_ACTIVE);
|
|
if (!sc->irq) {
|
|
device_printf(dev, "Unable to allocate interrupt resource.\n");
|
|
error = ENXIO;
|
|
goto bad;
|
|
}
|
|
|
|
ifp->if_name = "fpa";
|
|
ifp->if_unit = device_get_unit(dev);
|
|
|
|
sc->sc_pdq = pdq_initialize(sc->mem_bst, sc->mem_bsh,
|
|
ifp->if_name, ifp->if_unit,
|
|
(void *)sc, PDQ_DEFPA);
|
|
if (sc->sc_pdq == NULL) {
|
|
device_printf(dev, "Initialization failed.\n");
|
|
error = ENXIO;
|
|
goto bad;
|
|
}
|
|
|
|
error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
|
|
pdq_pci_ifintr, dev, &sc->irq_ih);
|
|
if (error) {
|
|
device_printf(dev, "Failed to setup interrupt handler.\n");
|
|
error = ENXIO;
|
|
goto bad;
|
|
}
|
|
|
|
bcopy((caddr_t) sc->sc_pdq->pdq_hwaddr.lanaddr_bytes,
|
|
(caddr_t) sc->arpcom.ac_enaddr, FDDI_ADDR_LEN);
|
|
pdq_ifattach(sc);
|
|
|
|
return (0);
|
|
bad:
|
|
pdq_free(dev);
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
pdq_pci_detach (dev)
|
|
device_t dev;
|
|
{
|
|
pdq_softc_t *sc;
|
|
|
|
sc = device_get_softc(dev);
|
|
pdq_ifdetach(sc);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
pdq_pci_shutdown(device_t dev)
|
|
{
|
|
pdq_softc_t *sc;
|
|
|
|
sc = device_get_softc(dev);
|
|
pdq_hwreset(sc->sc_pdq);
|
|
|
|
return;
|
|
}
|
|
|
|
static device_method_t pdq_pci_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, pdq_pci_probe),
|
|
DEVMETHOD(device_attach, pdq_pci_attach),
|
|
DEVMETHOD(device_detach, pdq_pci_detach),
|
|
DEVMETHOD(device_shutdown, pdq_pci_shutdown),
|
|
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t pdq_pci_driver = {
|
|
"fpa",
|
|
pdq_pci_methods,
|
|
sizeof(pdq_softc_t),
|
|
};
|
|
|
|
DRIVER_MODULE(fpa, pci, pdq_pci_driver, pdq_devclass, 0, 0);
|
|
MODULE_DEPEND(fpa, pci, 1, 1, 1);
|
|
MODULE_DEPEND(fpa, fddi, 1, 1, 1);
|