136 lines
3.8 KiB
C
136 lines
3.8 KiB
C
/* $NetBSD: isa.c,v 1.72 1995/04/17 12:09:09 cgd Exp $ */
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/*-
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* Copyright (c) 1993, 1994 Charles Hannum. 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. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Charles Hannum.
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* 4. 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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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/conf.h>
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#include <sys/malloc.h>
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#include <sys/device.h>
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#include <dev/isa/isareg.h>
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#include <dev/isa/isavar.h>
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int isamatch __P((struct device *, void *, void *));
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void isaattach __P((struct device *, struct device *, void *));
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struct cfdriver isacd = {
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NULL, "isa", isamatch, isaattach, DV_DULL, sizeof(struct device), 1
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};
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int
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isamatch(parent, match, aux)
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struct device *parent;
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void *match, *aux;
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{
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return (1);
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}
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int
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isaprint(aux, isa)
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void *aux;
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char *isa;
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{
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struct isa_attach_args *ia = aux;
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if (ia->ia_iosize)
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printf(" port 0x%x", ia->ia_iobase);
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if (ia->ia_iosize > 1)
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printf("-0x%x", ia->ia_iobase + ia->ia_iosize - 1);
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if (ia->ia_msize)
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printf(" iomem 0x%x", ia->ia_maddr);
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if (ia->ia_msize > 1)
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printf("-0x%x", ia->ia_maddr + ia->ia_msize - 1);
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if (ia->ia_irq != IRQUNK)
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printf(" irq %d", ia->ia_irq);
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if (ia->ia_drq != DRQUNK)
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printf(" drq %d", ia->ia_drq);
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return (UNCONF);
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}
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void
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isascan(parent, match)
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struct device *parent;
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void *match;
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{
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struct device *dev = match;
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struct cfdata *cf = dev->dv_cfdata;
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struct isa_attach_args ia;
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if (cf->cf_fstate == FSTATE_STAR)
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panic("not bloody likely");
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ia.ia_iobase = cf->cf_loc[0];
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ia.ia_iosize = 0x666;
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ia.ia_maddr = cf->cf_loc[2];
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ia.ia_msize = cf->cf_loc[3];
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ia.ia_irq = cf->cf_loc[4] == 2 ? 9 : cf->cf_loc[4];
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ia.ia_drq = cf->cf_loc[5];
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if ((*cf->cf_driver->cd_match)(parent, dev, &ia) > 0)
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config_attach(parent, dev, &ia, isaprint);
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else
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free(dev, M_DEVBUF);
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}
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void
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isaattach(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 isa_softc *sc = (struct isa_softc *)self;
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printf("\n");
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TAILQ_INIT(&sc->sc_subdevs);
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config_scan(isascan, self);
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}
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char *
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isa_intr_typename(type)
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isa_intrtype type;
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{
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switch (type) {
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case ISA_IST_NONE :
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return ("none");
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case ISA_IST_PULSE:
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return ("pulsed");
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case ISA_IST_EDGE:
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return ("edge-triggered");
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case ISA_IST_LEVEL:
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return ("level-triggered");
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default:
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panic("isa_intr_typename: invalid type %d", type);
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}
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}
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