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

     /*-
      * Copyright (c) 2002 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Martin Husemann <martin@NetBSD.org>.
      *
      * 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.
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: daic_isa.c,v 1.11 2003/12/04 13:57:30 keihan Exp $");
    
    #include <sys/param.h>
    #include <sys/errno.h>
    #include <sys/syslog.h>
    #include <sys/device.h>
    
    #if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
    #include <sys/callout.h>
    #endif
    
    #include <machine/cpu.h>
    #include <machine/intr.h>
    #include <machine/bus.h>
    
    #include <sys/socket.h>
    #include <net/if.h>
    #include <dev/isa/isavar.h>
    #include <netisdn/i4b_ioctl.h>
    #include <netisdn/i4b_l3l4.h>
    #include <dev/ic/daicvar.h>
    
    /* driver state */
    struct daic_isa_softc {
            struct daic_softc sc_daic;      /* MI driver state */
            void *sc_ih;                    /* interrupt handler */
    };
    
    /* local functions */
    #ifdef __BROKEN_INDIRECT_CONFIG
    static int daic_isa_probe __P((struct device *, void *, void *));
    #else
    static int daic_isa_probe __P((struct device *, struct cfdata *, void *));
    #endif
    static void daic_isa_attach __P((struct device *, struct device *, void *));
    static int daic_isa_intr __P((void *));
    
    CFATTACH_DECL(daic_isa, sizeof(struct daic_isa_softc),
        daic_isa_probe, daic_isa_attach, NULL, NULL);
    
    static int
    #ifdef __BROKEN_INDIRECT_CONFIG
    daic_isa_probe(parent, match, aux)
    #else
    daic_isa_probe(parent, cf, aux)
    #endif
            struct device *parent;
    #ifdef __BROKEN_INDIRECT_CONFIG
            void *match;
    #else
            struct cfdata *cf;
    #endif
            void *aux;
    {
            struct isa_attach_args *ia = aux;
            bus_space_tag_t memt = ia->ia_memt;
            bus_space_handle_t memh;
            int card, need_unmap = 0;
    
            /* We need some controller memory to comunicate! */
            if (ia->ia_iomem[0].ir_addr == 0 || ia->ia_iomem[0].ir_size == -1)
                    goto bad;
   
           /* Map card RAM. */
           ia->ia_iomem[0].ir_size = DAIC_ISA_MEMSIZE;
           ia->ia_nio = 0;
           ia->ia_ndrq = 0;
           ia->ia_nirq = 1;
           ia->ia_niomem = 1;
           if (bus_space_map(memt, ia->ia_iomem[0].ir_addr, ia->ia_iomem[0].ir_size,
               0, &memh))
                   goto bad;
           need_unmap = 1;
   
           /* MI check for card at this location */
           card = daic_probe(memt, memh);
           if (card < 0)
                   goto bad;
           if (card == DAIC_TYPE_QUAD)
                   ia->ia_iomem[0].ir_size = DAIC_ISA_QUADSIZE;
   
           bus_space_unmap(memt, memh, DAIC_ISA_MEMSIZE);
           return 1;
   
   bad:
           /* unmap card RAM if already mapped */
           if (need_unmap)
                   bus_space_unmap(memt, memh, DAIC_ISA_MEMSIZE);
           return 0;
   }
   
   static void
   daic_isa_attach(parent, self, aux)
           struct device *parent, *self;
           void *aux;
   {
           struct daic_isa_softc *sc = (void *)self;
           struct isa_attach_args *ia = aux;
           bus_space_tag_t memt = ia->ia_memt;
           bus_space_handle_t memh;
   
           /* Map card RAM. */
           if (bus_space_map(memt, ia->ia_iomem[0].ir_addr, ia->ia_iomem[0].ir_size,
               0, &memh))
                   return;
   
           sc->sc_daic.sc_iot = memt;
           sc->sc_daic.sc_ioh = memh;
   
           /* MI initialization of card */
           daic_attach(self, &sc->sc_daic);
   
           sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, IST_EDGE,
               IPL_NET, daic_isa_intr, sc);
   }
   
   /*
    * Controller interrupt.
    */
   static int
   daic_isa_intr(arg)
           void *arg;
   {
           struct daic_isa_softc *sc = arg;
           return daic_intr(&sc->sc_daic);
   }

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