/*      $NetBSD: depca_isa.c,v 1.16 2012/10/27 17:18:24 chs 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.
*
* 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 1.16 2012/10/27 17:18:24 chs Exp $");

#include "opt_inet.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 <sys/cpu.h>
#include <sys/intr.h>
#include <sys/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(device_t, cfdata_t, void *);
void    depca_isa_attach(device_t, device_t, void *);

struct depca_isa_softc {
       struct depca_softc sc_depca;
       isa_chipset_tag_t sc_ic;
       int sc_irq;
};

CFATTACH_DECL_NEW(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(device_t parent, cfdata_t cf, 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 == ISA_UNKNOWN_IRQ)
               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 == ISA_UNKNOWN_IOMEM ||
           (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(device_t parent, device_t self, void *aux)
{
       struct depca_isa_softc *isc = device_private(self);
       struct depca_softc *sc = &isc->sc_depca;
       struct isa_attach_args *ia = aux;

       sc->sc_dev = self;
       aprint_normal("\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) {
               aprint_error_dev(self, "unable to map i/o space\n");
               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) {
               aprint_error_dev(self, "unable to map memory space\n");
               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 *sc, struct lance_softc *child)
{
       struct depca_isa_softc *isc = (struct depca_isa_softc *)sc;
       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",
                   device_xname(sc->sc_dev));

       return (rv);
}

You are viewing proxied material from ftp.icm.edu.pl. The copyright of proxied material belongs to its original authors. Any comments or complaints in relation to proxied material should be directed to the original authors of the content concerned. Please see the disclaimer for more details.