123 lines
3.6 KiB
C
123 lines
3.6 KiB
C
/* $NetBSD: isa.c,v 1.64 1994/11/04 06:40:14 mycroft 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 <i386/isa/isareg.h>
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#include <i386/isa/isavar.h>
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#include <machine/limits.h>
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/* sorry, has to be here, no place else really suitable */
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#include <machine/pc/display.h>
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u_short *Crtat = (u_short *)MONO_BUF;
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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 - atdevbase + 0xa0000);
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if (ia->ia_msize > 1)
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printf("-0x%x",
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ia->ia_maddr - atdevbase + 0xa0000 + ia->ia_msize - 1);
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if (ia->ia_irq)
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printf(" irq %d", ffs(ia->ia_irq) - 1);
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if (ia->ia_drq != (u_short)-1)
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printf(" drq %d", ia->ia_drq);
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/* XXXX print flags */
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return (QUIET);
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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] - 0xa0000 + atdevbase;
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ia.ia_msize = cf->cf_loc[3];
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ia.ia_irq = (cf->cf_loc[4] == -1) ? IRQUNK : (1 << 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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printf("\n");
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config_scan(isascan, self);
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}
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