149 lines
3.9 KiB
C
149 lines
3.9 KiB
C
/*-
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* Copyright (c) 1997, 2001 Martin Husemann <martin@duskware.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: daic_isa.c,v 1.4 2001/11/15 09:48:09 lukem Exp $");
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#include <sys/param.h>
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#include <sys/errno.h>
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#include <sys/syslog.h>
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#include <sys/device.h>
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#if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
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#include <sys/callout.h>
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#endif
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#include <machine/cpu.h>
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#include <machine/intr.h>
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#include <machine/bus.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <dev/isa/isavar.h>
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#include <netisdn/i4b_ioctl.h>
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#include <netisdn/i4b_l3l4.h>
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#include <dev/ic/daicvar.h>
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/* driver state */
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struct daic_isa_softc {
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struct daic sc_daic; /* MI driver state */
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void *sc_ih; /* interrupt handler */
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};
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/* local functions */
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#ifdef __BROKEN_INDIRECT_CONFIG
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static int daic_isa_probe __P((struct device *, void *, void *));
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#else
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static int daic_isa_probe __P((struct device *, struct cfdata *, void *));
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#endif
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static void daic_isa_attach __P((struct device *, struct device *, void *));
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static int daic_isa_intr __P((void *));
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struct cfattach daic_isa_ca = {
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sizeof(struct daic_isa_softc), daic_isa_probe, daic_isa_attach
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};
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static int
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#ifdef __BROKEN_INDIRECT_CONFIG
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daic_isa_probe(parent, match, aux)
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#else
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daic_isa_probe(parent, cf, aux)
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#endif
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struct device *parent;
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#ifdef __BROKEN_INDIRECT_CONFIG
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void *match;
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#else
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struct cfdata *cf;
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#endif
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void *aux;
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{
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struct isa_attach_args *ia = aux;
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bus_space_tag_t memt = ia->ia_memt;
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bus_space_handle_t memh;
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int card;
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/* We need some controller memory to comunicate! */
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if (ia->ia_maddr == MADDRUNK || ia->ia_msize == -1)
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goto bad;
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/* Map card RAM. */
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ia->ia_msize = DAIC_ISA_MEMSIZE;
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ia->ia_iosize = 0;
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if (bus_space_map(memt, ia->ia_maddr, ia->ia_msize,
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0, &memh))
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goto bad;
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/* MI check for card at this location */
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card = daic_probe(memt, memh);
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if (card < 0)
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goto bad;
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if (card == DAIC_TYPE_QUAD)
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ia->ia_msize = DAIC_ISA_QUADSIZE;
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bus_space_unmap(memt, memh, DAIC_ISA_MEMSIZE);
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return 1;
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bad:
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/* unmap card RAM */
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bus_space_unmap(memt, memh, DAIC_ISA_MEMSIZE);
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return 0;
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}
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static void
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daic_isa_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct daic_isa_softc *sc = (void *)self;
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struct isa_attach_args *ia = aux;
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bus_space_tag_t memt = ia->ia_memt;
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bus_space_handle_t memh;
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/* Map card RAM. */
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if (bus_space_map(memt, ia->ia_maddr, ia->ia_msize,
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0, &memh))
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return;
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sc->sc_daic.sc_iot = memt;
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sc->sc_daic.sc_ioh = memh;
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/* MI initialization of card */
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daic_attach(self, &sc->sc_daic);
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sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
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IPL_NET, daic_isa_intr, sc);
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}
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/*
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* Controller interrupt.
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*/
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static int
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daic_isa_intr(arg)
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void *arg;
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{
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struct daic_isa_softc *sc = arg;
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return daic_intr(&sc->sc_daic);
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}
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