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/* $OpenBSD: sb_isa.c,v 1.1 1997/07/10 23:06:37 provos Exp $ */
/* $NetBSD: sb_isa.c,v 1.3 1997/03/20 11:03:11 mycroft Exp $ */
/*
* Copyright (c) 1991-1993 Regents of the University of California.
* All rights reserved.
*
* 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 Computer Systems
* Engineering Group at Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory 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.
*
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/syslog.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/audioio.h>
#include <dev/audio_if.h>
#include <dev/mulaw.h>
#include <dev/isa/isavar.h>
#include <dev/isa/isadmavar.h>
#include <dev/isa/sbreg.h>
#include <dev/isa/sbvar.h>
#include <dev/isa/sbdspvar.h>
int sb_isa_match __P((struct device *, void *, void *));
void sb_isa_attach __P((struct device *, struct device *, void *));
struct cfattach sb_isa_ca = {
sizeof(struct sbdsp_softc), sb_isa_match, sb_isa_attach
};
/*
* Probe / attach routines.
*/
/*
* Probe for the soundblaster hardware.
*/
int
sb_isa_match(parent, match, aux)
struct device *parent;
void *match, *aux;
{
/*
* Indirect brokedness!
*/
register struct sbdsp_softc *sc = match;
register struct isa_attach_args *ia = aux;
if (!SB_BASE_VALID(ia->ia_iobase)) {
printf("sb: configured iobase 0x%x invalid\n", ia->ia_iobase);
return 0;
}
sc->sc_iot = ia->ia_iot;
/* Map i/o space [we map 24 ports which is the max of the sb and pro */
if (bus_space_map(sc->sc_iot, ia->ia_iobase, SBP_NPORT, 0,
&sc->sc_ioh)) {
printf("sb: can't map i/o space 0x%x/%d in probe\n",
ia->ia_iobase, SBP_NPORT);
return 0;
}
/*
* Indirect brokedness!
*/
sc->sc_iobase = ia->ia_iobase;
sc->sc_irq = ia->ia_irq;
sc->sc_drq8 = ia->ia_drq;
sc->sc_drq16 = -1; /* XXX */
sc->sc_ic = ia->ia_ic;
if (!sbmatch(sc)) {
bus_space_unmap(sc->sc_iot, sc->sc_ioh, SBP_NPORT);
return 0;
}
if (ISSBPROCLASS(sc))
ia->ia_iosize = SBP_NPORT;
else
ia->ia_iosize = SB_NPORT;
ia->ia_irq = sc->sc_irq;
return 1;
}
/*
* Attach hardware to driver, attach hardware driver to audio
* pseudo-device driver .
*/
void
sb_isa_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
sbattach((struct sbdsp_softc *) self);
}
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