/* $OpenBSD: sb_isa.c,v 1.6 2002/03/14 01:26:56 millert Exp $ */ /* $NetBSD: sb_isa.c,v 1.15 1997/11/30 15:32:25 drochner 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 <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/isa/sbreg.h> #include <dev/isa/sbvar.h> #include <dev/isa/sbdspvar.h> static int sbfind(struct device *, struct sbdsp_softc *, struct isa_attach_args *); #define __BROKEN_INDIRECT_CONFIG /* XXX */ #ifdef __BROKEN_INDIRECT_CONFIG int sb_isa_match(struct device *, void *, void *); #else int sb_isa_match(struct device *, struct cfdata *, void *); #endif void sb_isa_attach(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; #ifdef __BROKEN_INDIRECT_CONFIG void *match; #else struct cfdata *match; #endif void *aux; { struct sbdsp_softc probesc, *sc = &probesc; bzero(sc, sizeof *sc); #ifdef __BROKEN_INDIRECT_CONFIG sc->sc_dev.dv_cfdata = ((struct device *)match)->dv_cfdata; #else sc->sc_dev.dv_cfdata = match; #endif strcpy(sc->sc_dev.dv_xname, "sb"); return sbfind(parent, sc, aux); } static int sbfind(parent, sc, ia) struct device *parent; struct sbdsp_softc *sc; struct isa_attach_args *ia; { int rc = 0; if (!SB_BASE_VALID(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)) return 0; sc->sc_iobase = ia->ia_iobase; sc->sc_irq = ia->ia_irq; sc->sc_drq8 = ia->ia_drq; sc->sc_drq16 = ia->ia_drq2; sc->sc_ic = ia->ia_ic; if (!sbmatch(sc)) goto bad; if ((sc->sc_drq8 != -1 && !isa_drq_isfree(parent, sc->sc_drq8)) || (sc->sc_drq16 != -1 && !isa_drq_isfree(parent, sc->sc_drq16))) goto bad; if (ISSBPROCLASS(sc)) ia->ia_iosize = SBP_NPORT; else ia->ia_iosize = SB_NPORT; if (!ISSB16CLASS(sc) && sc->sc_model != SB_JAZZ) ia->ia_drq2 = -1; ia->ia_irq = sc->sc_irq; rc = 1; bad: bus_space_unmap(sc->sc_iot, sc->sc_ioh, SBP_NPORT); return rc; } /* * 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; { struct sbdsp_softc *sc = (struct sbdsp_softc *)self; struct isa_attach_args *ia = aux; if (!sbfind(parent, sc, ia) || bus_space_map(sc->sc_iot, ia->ia_iobase, ia->ia_iosize, 0, &sc->sc_ioh)) { printf("%s: sbfind failed\n", sc->sc_dev.dv_xname); return; } sc->sc_ic = ia->ia_ic; sc->sc_isa = parent; sbattach(sc); }