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Annotation of sys/dev/isa/opl_sb.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: opl_sb.c,v 1.6 2006/07/27 05:55:03 miod Exp $ */
                      2: /*     $NetBSD: opl_sb.c,v 1.4 1998/12/08 14:26:57 augustss Exp $      */
                      3:
                      4: /*
                      5:  * Copyright (c) 1998 The NetBSD Foundation, Inc.
                      6:  * All rights reserved.
                      7:  *
                      8:  * This code is derived from software contributed to The NetBSD Foundation
                      9:  * by Lennart Augustsson (augustss@netbsd.org).
                     10:  *
                     11:  * Redistribution and use in source and binary forms, with or without
                     12:  * modification, are permitted provided that the following conditions
                     13:  * are met:
                     14:  * 1. Redistributions of source code must retain the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer.
                     16:  * 2. Redistributions in binary form must reproduce the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer in the
                     18:  *    documentation and/or other materials provided with the distribution.
                     19:  * 3. All advertising materials mentioning features or use of this software
                     20:  *    must display the following acknowledgement:
                     21:  *        This product includes software developed by the NetBSD
                     22:  *        Foundation, Inc. and its contributors.
                     23:  * 4. Neither the name of The NetBSD Foundation nor the names of its
                     24:  *    contributors may be used to endorse or promote products derived
                     25:  *    from this software without specific prior written permission.
                     26:  *
                     27:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     28:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     29:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     30:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     31:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     32:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     33:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     34:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     35:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     36:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     37:  * POSSIBILITY OF SUCH DAMAGE.
                     38:  */
                     39:
                     40: #include <sys/param.h>
                     41: #include <sys/systm.h>
                     42: #include <sys/kernel.h>
                     43: #include <sys/errno.h>
                     44: #include <sys/device.h>
                     45: #include <sys/malloc.h>
                     46: #include <sys/proc.h>
                     47: #include <sys/conf.h>
                     48: #include <sys/selinfo.h>
                     49: #include <sys/audioio.h>
                     50: #include <sys/midiio.h>
                     51:
                     52: #include <machine/bus.h>
                     53:
                     54: #include <dev/audio_if.h>
                     55: #include <dev/midi_if.h>
                     56: #include <dev/ic/oplreg.h>
                     57: #include <dev/ic/oplvar.h>
                     58:
                     59: #include <dev/isa/isavar.h>
                     60: #include <dev/isa/sbdspvar.h>
                     61:
                     62: int    opl_sb_match(struct device *, void *, void *);
                     63: void   opl_sb_attach(struct device *, struct device *, void *);
                     64:
                     65: struct cfattach opl_sb_ca = {
                     66:        sizeof (struct opl_softc), opl_sb_match, opl_sb_attach
                     67: };
                     68:
                     69: int
                     70: opl_sb_match(parent, match, aux)
                     71:        struct device *parent;
                     72:        void *match;
                     73:        void *aux;
                     74: {
                     75:        struct audio_attach_args *aa = (struct audio_attach_args *)aux;
                     76:        struct sbdsp_softc *ssc = (struct sbdsp_softc *)parent;
                     77:        struct opl_attach_arg oaa;
                     78:
                     79:        if (aa->type != AUDIODEV_TYPE_OPL)
                     80:                return (0);
                     81:        memset(&oaa, 0, sizeof oaa);
                     82:        oaa.ioh = ssc->sc_ioh;
                     83:        oaa.iot = ssc->sc_iot;
                     84:        return (opl_find(&oaa));
                     85: }
                     86:
                     87: void
                     88: opl_sb_attach(parent, self, aux)
                     89:        struct device *parent;
                     90:        struct device *self;
                     91:        void *aux;
                     92: {
                     93:        struct  sbdsp_softc *ssc = (struct sbdsp_softc *)parent;
                     94:        struct opl_softc *sc = (struct opl_softc *)self;
                     95:
                     96:        sc->ioh = ssc->sc_ioh;
                     97:        sc->iot = ssc->sc_iot;
                     98:        sc->offs = 0;
                     99:        sc->spkrctl = sbdsp_speaker_ctl;
                    100:        sc->spkrarg = ssc;
                    101:        strlcpy(sc->syn.name, "SB ", sizeof sc->syn.name);
                    102:
                    103:        opl_attach(sc);
                    104: }