NetBSD/sys/dev/isapnp/sb_isapnp.c

156 lines
4.5 KiB
C

/* $NetBSD: sb_isapnp.c,v 1.34 1999/08/02 17:37:43 augustss 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 "midi.h"
#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 <machine/bus.h>
#include <sys/audioio.h>
#include <dev/audio_if.h>
#include <dev/midi_if.h>
#include <dev/mulaw.h>
#include <dev/isa/isavar.h>
#include <dev/isa/isadmavar.h>
#include <dev/isapnp/isapnpreg.h>
#include <dev/isapnp/isapnpvar.h>
#include <dev/isapnp/isapnpdevs.h>
#include <dev/isa/sbreg.h>
#include <dev/isa/sbvar.h>
#include <dev/isa/sbdspvar.h>
int sb_isapnp_match __P((struct device *, struct cfdata *, void *));
void sb_isapnp_attach __P((struct device *, struct device *, void *));
struct cfattach sb_isapnp_ca = {
sizeof(struct sbdsp_softc), sb_isapnp_match, sb_isapnp_attach
};
/*
* Probe / attach routines.
*/
/*
* Probe for the soundblaster hardware.
*/
int
sb_isapnp_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
int pri, variant;
pri = isapnp_devmatch(aux, &isapnp_sb_devinfo, &variant);
if (pri && variant > 0)
pri = 0;
return (pri);
}
/*
* Attach hardware to driver, attach hardware driver to audio
* pseudo-device driver.
*/
void
sb_isapnp_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct sbdsp_softc *sc = (struct sbdsp_softc *)self;
struct isapnp_attach_args *ipa = aux;
printf("\n");
if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
printf("%s: error in region allocation\n",
sc->sc_dev.dv_xname);
return;
}
sc->sc_ic = ipa->ipa_ic;
sc->sc_iot = ipa->ipa_iot;
sc->sc_ioh = ipa->ipa_io[0].h;
/* XXX These are only for setting chip configuration registers. */
sc->sc_iobase = ipa->ipa_io[0].base;
sc->sc_irq = ipa->ipa_irq[0].num;
sc->sc_drq8 = ipa->ipa_drq[0].num;
if (ipa->ipa_ndrq > 1 && ipa->ipa_drq[0].num != ipa->ipa_drq[1].num) {
/* Some cards have the 16 bit drq first */
if (sc->sc_drq8 >= 4) {
sc->sc_drq16 = sc->sc_drq8;
sc->sc_drq8 = ipa->ipa_drq[1].num;
} else
sc->sc_drq16 = ipa->ipa_drq[1].num;
} else
sc->sc_drq16 = DRQUNK;
#if NMIDI > 0
if (ipa->ipa_nio > 1) {
sc->sc_hasmpu = 1;
sc->sc_mpu_iot = ipa->ipa_iot;
sc->sc_mpu_ioh = ipa->ipa_io[1].h;
}
#endif
if (!sbmatch(sc)) {
printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname);
return;
}
sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
ipa->ipa_irq[0].type, IPL_AUDIO, sbdsp_intr, sc);
printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident,
ipa->ipa_devclass);
sbattach(sc);
}