FreeBSD/Linux Kernel Cross Reference
sys/dev/isa/depca_isa.c

     /*      $NetBSD: depca_isa.c,v 1.7 2003/08/07 16:31:05 agc Exp $        */
     
     /*-
      * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Charles M. Hannum and 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.
     */
    
    /*-
     * Copyright (c) 1992, 1993
     *      The Regents of the University of California.  All rights reserved.
     *
     * This code is derived from software contributed to Berkeley by
     * Ralph Campbell and Rick Macklem.
     *
     * 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. Neither the name of the University 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 REGENTS 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 REGENTS 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.
     *
     *      @(#)if_le.c     8.2 (Berkeley) 11/16/93
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: depca_isa.c,v 1.7 2003/08/07 16:31:05 agc Exp $");
    
    #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/cpu.h>
    #include <machine/intr.h>
    #include <machine/bus.h>
    
   #include <dev/isa/isareg.h>
   #include <dev/isa/isavar.h>
   
   #include <dev/ic/lancereg.h>
   #include <dev/ic/lancevar.h>
   #include <dev/ic/am7990reg.h>
   #include <dev/ic/am7990var.h>
   #include <dev/ic/depcareg.h>
   #include <dev/ic/depcavar.h>
   
   int     depca_isa_probe(struct device *, struct cfdata *, void *);
   void    depca_isa_attach(struct device *, struct device *, void *);
   
   struct depca_isa_softc {
           struct depca_softc sc_depca;
           isa_chipset_tag_t sc_ic;
           int sc_irq;
   };
   
   CFATTACH_DECL(depca_isa, sizeof(struct depca_isa_softc),
       depca_isa_probe, depca_isa_attach, NULL, NULL);
   
   void    *depca_isa_intr_establish(struct depca_softc *, struct lance_softc *);
   
   int
   depca_isa_probe(struct device *parent, struct cfdata *match, void *aux)
   {
           struct isa_attach_args *ia = aux;
           bus_space_tag_t iot = ia->ia_iot;
           bus_space_handle_t ioh;
           bus_space_handle_t memh;
           int rv = 0;
   
           if (ia->ia_nio < 1)
                   return (0);
           if (ia->ia_niomem < 1)
                   return (0);
           if (ia->ia_nirq < 1)
                   return (0);
   
           if (ISA_DIRECT_CONFIG(ia))
                   return (0);
   
           if (ia->ia_irq[0].ir_irq == ISACF_IRQ_DEFAULT)
                   return (0);
   
           /* Disallow impossible i/o address. */
           if (ia->ia_io[0].ir_addr != 0x200 && ia->ia_io[0].ir_addr != 0x300)
                   return (0);
   
           /* Map i/o space. */
           if (bus_space_map(iot, ia->ia_io[0].ir_addr, 16, 0, &ioh))
                   return 0;
   
           if (ia->ia_iomem[0].ir_addr == ISACF_IOMEM_DEFAULT ||
               (ia->ia_iomem[0].ir_size != 32*1024 &&
                ia->ia_iomem[0].ir_size != 64*1024))
                   goto bad;
   
           /* Map card RAM. */
           if (bus_space_map(ia->ia_memt, ia->ia_iomem[0].ir_addr,
               ia->ia_iomem[0].ir_size, 0, &memh))
                   goto bad;
   
           /* Just needed to check mapability; don't need it anymore. */
           bus_space_unmap(ia->ia_memt, memh, ia->ia_iomem[0].ir_size);
   
           /* Stop the LANCE chip and put it in a known state. */
           bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR0);
           bus_space_write_2(iot, ioh, DEPCA_RDP, LE_C0_STOP);
           delay(100);
   
           bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR0);
           if (bus_space_read_2(iot, ioh, DEPCA_RDP) != LE_C0_STOP)
                   goto bad;
   
           bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR3);
           bus_space_write_2(iot, ioh, DEPCA_RDP, LE_C3_ACON);
   
           bus_space_write_1(iot, ioh, DEPCA_CSR, DEPCA_CSR_DUM);
   
           if (depca_readprom(iot, ioh, NULL))
                   goto bad;
   
           ia->ia_nio = 1;
           ia->ia_io[0].ir_size = 16;
   
           ia->ia_niomem = 1;
   
           ia->ia_nirq = 1;
   
           ia->ia_ndrq = 0;
   
           rv = 1;
   
    bad:
           bus_space_unmap(iot, ioh, 16);
           return (rv);
   }
   
   void
   depca_isa_attach(struct device *parent, struct device *self, void *aux)
   {
           struct depca_softc *sc = (void *) self;
           struct depca_isa_softc *isc = (void *) self;
           struct isa_attach_args *ia = aux;
   
           printf("\n");
   
           sc->sc_iot = ia->ia_iot;
           sc->sc_memt = ia->ia_memt;
   
           sc->sc_memsize = ia->ia_iomem[0].ir_size;
   
           if (bus_space_map(sc->sc_iot, ia->ia_io[0].ir_addr, 16,
               0, &sc->sc_ioh) != 0) {
                   printf("%s: unable to map i/o space\n", sc->sc_dev.dv_xname);
                   return;
           }
           if (bus_space_map(sc->sc_memt, ia->ia_iomem[0].ir_addr,
               ia->ia_iomem[0].ir_size, 0, &sc->sc_memh) != 0) {
                   printf("%s: unable to map memory space\n", sc->sc_dev.dv_xname);
                   return;
           }
   
           isc->sc_ic = ia->ia_ic;
           isc->sc_irq = ia->ia_irq[0].ir_irq;
           sc->sc_intr_establish = depca_isa_intr_establish;
   
           depca_attach(sc);
   }
   
   void *
   depca_isa_intr_establish(struct depca_softc *parent, struct lance_softc *child)
   {
           struct depca_isa_softc *isc = (void *) parent;
           void *rv;
   
           rv = isa_intr_establish(isc->sc_ic, isc->sc_irq, IST_EDGE,
               IPL_NET, depca_intredge, child);
           if (rv == NULL)
                   printf("%s: unable to establish interrupt\n",
                       parent->sc_dev.dv_xname);
   
           return (rv);
   }

Cache object: 32bcb49ba834b152fcb072c59115eccb