121826Sjoerg/*- 221826Sjoerg * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com> 321826Sjoerg * All rights reserved. 421826Sjoerg * 521826Sjoerg * Redistribution and use in source and binary forms, with or without 621826Sjoerg * modification, are permitted provided that the following conditions 721826Sjoerg * are met: 821826Sjoerg * 1. Redistributions of source code must retain the above copyright 921826Sjoerg * notice, this list of conditions and the following disclaimer. 1021826Sjoerg * 2. The name of the author may not be used to endorse or promote products 1197748Sschweikh * derived from this software without specific prior written permission 1221826Sjoerg * 1321826Sjoerg * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1421826Sjoerg * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1521826Sjoerg * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1621826Sjoerg * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 1721826Sjoerg * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 1821826Sjoerg * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 1921826Sjoerg * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2021826Sjoerg * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2121826Sjoerg * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2221826Sjoerg * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2321826Sjoerg * 2421826Sjoerg * 2521826Sjoerg */ 2621826Sjoerg 27119418Sobrien#include <sys/cdefs.h> 28119418Sobrien__FBSDID("$FreeBSD$"); 29119418Sobrien 3021826Sjoerg/* 3121826Sjoerg * DEC PDQ FDDI Controller; code for BSD derived operating systems 3221826Sjoerg * 3321826Sjoerg * This module supports the DEC DEFPA PCI FDDI Controller 3421826Sjoerg */ 3521826Sjoerg 3621826Sjoerg#include <sys/param.h> 3793383Smdodd#include <sys/systm.h> 3821826Sjoerg#include <sys/kernel.h> 3921826Sjoerg#include <sys/socket.h> 4021826Sjoerg 4193383Smdodd#include <sys/module.h> 4293383Smdodd#include <sys/bus.h> 4321826Sjoerg 4470594Speter#include <machine/bus.h> 4570594Speter#include <machine/resource.h> 4693383Smdodd#include <sys/rman.h> 4721826Sjoerg 4893383Smdodd#include <net/if.h> 4993383Smdodd#include <net/if_media.h> 5093383Smdodd#include <net/fddi.h> 5121826Sjoerg 5293383Smdodd#include <dev/pci/pcivar.h> 5393383Smdodd#include <dev/pci/pcireg.h> 5493383Smdodd 5593383Smdodd#include <dev/pdq/pdq_freebsd.h> 5693383Smdodd#include <dev/pdq/pdqreg.h> 5793383Smdodd 5821826Sjoerg#define DEC_VENDORID 0x1011 5921826Sjoerg#define DEFPA_CHIPID 0x000F 6021826Sjoerg 6121826Sjoerg#define DEFPA_LATENCY 0x88 6221826Sjoerg 6321826Sjoerg#define PCI_CFLT 0x0C /* Configuration Latency */ 6421826Sjoerg#define PCI_CBMA 0x10 /* Configuration Base Memory Address */ 6521826Sjoerg#define PCI_CBIO 0x14 /* Configuration Base I/O Address */ 6621826Sjoerg 6793383Smdoddstatic int pdq_pci_probe (device_t); 6893383Smdoddstatic int pdq_pci_attach (device_t); 6993383Smdoddstatic int pdq_pci_detach (device_t); 70194023Savgstatic int pdq_pci_shutdown (device_t); 7193383Smdoddstatic void pdq_pci_ifintr (void *); 7293383Smdodd 7370594Speterstatic void 7470594Speterpdq_pci_ifintr(void *arg) 7521826Sjoerg{ 7670594Speter pdq_softc_t *sc; 7721826Sjoerg 78199542Sjhb sc = arg; 7993383Smdodd 8093383Smdodd PDQ_LOCK(sc); 8121826Sjoerg (void) pdq_interrupt(sc->sc_pdq); 8293383Smdodd PDQ_UNLOCK(sc); 8393383Smdodd 8493383Smdodd return; 8521826Sjoerg} 8621826Sjoerg 8721826Sjoerg/* 8870594Speter * This is the PCI configuration support. 8921826Sjoerg */ 9070594Speterstatic int 9170594Speterpdq_pci_probe(device_t dev) 9221826Sjoerg{ 9370594Speter if (pci_get_vendor(dev) == DEC_VENDORID && 9470594Speter pci_get_device(dev) == DEFPA_CHIPID) { 9570594Speter device_set_desc(dev, "Digital DEFPA PCI FDDI Controller"); 96143158Simp return (BUS_PROBE_DEFAULT); 9721826Sjoerg } 9893383Smdodd 9993383Smdodd return (ENXIO); 10021826Sjoerg} 10121826Sjoerg 10221826Sjoergstatic int 10370594Speterpdq_pci_attach(device_t dev) 10421826Sjoerg{ 10570594Speter pdq_softc_t *sc; 10693383Smdodd u_int32_t command; 10793383Smdodd int error; 10821826Sjoerg 10970594Speter sc = device_get_softc(dev); 11021826Sjoerg 11193383Smdodd sc->dev = dev; 11293383Smdodd 11393383Smdodd /* 11493383Smdodd * Map control/status registers. 11593383Smdodd */ 11693383Smdodd pci_enable_busmaster(dev); 11793383Smdodd 11893383Smdodd command = pci_read_config(dev, PCIR_LATTIMER, 1); 11993383Smdodd if (command < DEFPA_LATENCY) { 12093383Smdodd command = DEFPA_LATENCY; 12193383Smdodd pci_write_config(dev, PCIR_LATTIMER, command, 1); 12293383Smdodd } 12393383Smdodd 12493383Smdodd sc->mem_rid = PCI_CBMA; 12593383Smdodd sc->mem_type = SYS_RES_MEMORY; 126127135Snjl sc->mem = bus_alloc_resource_any(dev, sc->mem_type, &sc->mem_rid, 127127135Snjl RF_ACTIVE); 12893383Smdodd if (!sc->mem) { 12993383Smdodd device_printf(dev, "Unable to allocate I/O space resource.\n"); 13093383Smdodd error = ENXIO; 13170594Speter goto bad; 13293383Smdodd } 13393383Smdodd sc->mem_bsh = rman_get_bushandle(sc->mem); 13493383Smdodd sc->mem_bst = rman_get_bustag(sc->mem); 13593383Smdodd 13693383Smdodd sc->irq_rid = 0; 137127135Snjl sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, 138127135Snjl RF_SHAREABLE | RF_ACTIVE); 13993383Smdodd if (!sc->irq) { 14093383Smdodd device_printf(dev, "Unable to allocate interrupt resource.\n"); 14193383Smdodd error = ENXIO; 14270594Speter goto bad; 14393383Smdodd } 14493383Smdodd 145199542Sjhb error = pdq_ifattach(sc, sc->sc_pdq->pdq_hwaddr.lanaddr_bytes, PDQ_DEFPA); 146199542Sjhb if (error) 14770594Speter goto bad; 148199542Sjhb 149199542Sjhb error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, NULL, 150199542Sjhb pdq_pci_ifintr, sc, &sc->irq_ih); 15193383Smdodd if (error) { 15293383Smdodd device_printf(dev, "Failed to setup interrupt handler.\n"); 153199542Sjhb pdq_ifdetach(sc); 154199542Sjhb return (error); 15593383Smdodd } 15693383Smdodd 15793383Smdodd 15893383Smdodd return (0); 15970594Speterbad: 16093383Smdodd pdq_free(dev); 16193383Smdodd return (error); 16221826Sjoerg} 16321826Sjoerg 16493383Smdoddstatic int 16593383Smdoddpdq_pci_detach (dev) 16693383Smdodd device_t dev; 16793383Smdodd{ 16893383Smdodd pdq_softc_t *sc; 16993383Smdodd 17093383Smdodd sc = device_get_softc(dev); 17193383Smdodd pdq_ifdetach(sc); 17293383Smdodd 17393383Smdodd return (0); 17493383Smdodd} 17593383Smdodd 176194023Savgstatic int 17770594Speterpdq_pci_shutdown(device_t dev) 17821826Sjoerg{ 17970594Speter pdq_softc_t *sc; 18021826Sjoerg 18170594Speter sc = device_get_softc(dev); 182199542Sjhb PDQ_LOCK(sc); 18370594Speter pdq_hwreset(sc->sc_pdq); 184199542Sjhb PDQ_UNLOCK(sc); 18593383Smdodd 186194023Savg return (0); 18721826Sjoerg} 18821826Sjoerg 18970594Speterstatic device_method_t pdq_pci_methods[] = { 19070594Speter /* Device interface */ 19170594Speter DEVMETHOD(device_probe, pdq_pci_probe), 19270594Speter DEVMETHOD(device_attach, pdq_pci_attach), 19393383Smdodd DEVMETHOD(device_detach, pdq_pci_detach), 19470594Speter DEVMETHOD(device_shutdown, pdq_pci_shutdown), 19593383Smdodd 19670594Speter { 0, 0 } 19721826Sjoerg}; 19893383Smdodd 19970594Speterstatic driver_t pdq_pci_driver = { 20070594Speter "fpa", 20170594Speter pdq_pci_methods, 20270594Speter sizeof(pdq_softc_t), 20321826Sjoerg}; 20493383Smdodd 205113506SmdoddDRIVER_MODULE(fpa, pci, pdq_pci_driver, pdq_devclass, 0, 0); 206113506SmdoddMODULE_DEPEND(fpa, pci, 1, 1, 1); 207113506SmdoddMODULE_DEPEND(fpa, fddi, 1, 1, 1); 208