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

1.1       nbrk        1: /*     $OpenBSD: opl_ess.c,v 1.5 2006/07/27 05:55:03 miod Exp $        */
                      2: /*     $NetBSD: opl_ess.c,v 1.3 1998/12/08 14:26:57 augustss Exp $     */
                      3:
                      4: /*
                      5:  * Copyright (c) 1998 The NetBSD Foundation, Inc.
                      6:  * All rights reserved.
                      7:  *
                      8:  * Author: Lennart Augustsson
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. All advertising materials mentioning features or use of this software
                     19:  *    must display the following acknowledgement:
                     20:  *        This product includes software developed by the NetBSD
                     21:  *        Foundation, Inc. and its contributors.
                     22:  * 4. Neither the name of The NetBSD Foundation nor the names of its
                     23:  *    contributors may be used to endorse or promote products derived
                     24:  *    from this software without specific prior written permission.
                     25:  *
                     26:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     27:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     28:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     29:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     30:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     31:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     32:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     33:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     34:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     35:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     36:  * POSSIBILITY OF SUCH DAMAGE.
                     37:  */
                     38:
                     39: #include <sys/param.h>
                     40: #include <sys/systm.h>
                     41: #include <sys/kernel.h>
                     42: #include <sys/errno.h>
                     43: #include <sys/device.h>
                     44: #include <sys/malloc.h>
                     45: #include <sys/proc.h>
                     46: #include <sys/conf.h>
                     47: #include <sys/selinfo.h>
                     48: #include <sys/audioio.h>
                     49: #include <sys/midiio.h>
                     50:
                     51: #include <machine/bus.h>
                     52:
                     53: #include <dev/audio_if.h>
                     54: #include <dev/midi_if.h>
                     55: #include <dev/ic/oplreg.h>
                     56: #include <dev/ic/oplvar.h>
                     57:
                     58: #include <dev/isa/isavar.h>
                     59: #include <dev/isa/essvar.h>
                     60:
                     61: extern int     ess_speaker_ctl(void *, int);
                     62:
                     63: int    opl_ess_match(struct device *, void *, void *);
                     64: void   opl_ess_attach(struct device *, struct device *, void *);
                     65:
                     66: struct cfattach opl_ess_ca = {
                     67:        sizeof (struct opl_softc), opl_ess_match, opl_ess_attach
                     68: };
                     69:
                     70: int
                     71: opl_ess_match(parent, match, aux)
                     72:        struct device *parent;
                     73:        void *match;
                     74:        void *aux;
                     75: {
                     76:        struct audio_attach_args *aa = (struct audio_attach_args *)aux;
                     77:        struct ess_softc *ssc = (struct ess_softc *)parent;
                     78:        struct opl_attach_arg oaa;
                     79:
                     80:        if (aa->type != AUDIODEV_TYPE_OPL)
                     81:                return (0);
                     82:        memset(&oaa, 0, sizeof oaa);
                     83:        oaa.ioh = ssc->sc_ioh;
                     84:        oaa.iot = ssc->sc_iot;
                     85:        return (opl_find(&oaa));
                     86: }
                     87:
                     88: void
                     89: opl_ess_attach(parent, self, aux)
                     90:        struct device *parent;
                     91:        struct device *self;
                     92:        void *aux;
                     93: {
                     94:        struct ess_softc *ssc = (struct ess_softc *)parent;
                     95:        struct opl_softc *sc = (struct opl_softc *)self;
                     96:
                     97:        sc->ioh = ssc->sc_ioh;
                     98:        sc->iot = ssc->sc_iot;
                     99:        sc->offs = 0;
                    100:        sc->spkrctl = ess_speaker_ctl;
                    101:        sc->spkrarg = ssc;
                    102:        strlcpy(sc->syn.name, "ESS ", sizeof sc->syn.name);
                    103:
                    104:        opl_attach(sc);
                    105: }