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      1 /*	$NetBSD: opl_ess.c,v 1.20 2022/09/24 23:21:59 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999, 2008 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: opl_ess.c,v 1.20 2022/09/24 23:21:59 thorpej Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/kernel.h>
     38 #include <sys/errno.h>
     39 #include <sys/device.h>
     40 #include <sys/proc.h>
     41 #include <sys/conf.h>
     42 #include <sys/select.h>
     43 #include <sys/audioio.h>
     44 #include <sys/midiio.h>
     45 
     46 #include <sys/bus.h>
     47 
     48 #include <dev/audio/audio_if.h>
     49 #include <dev/midi_if.h>
     50 #include <dev/ic/oplreg.h>
     51 #include <dev/ic/oplvar.h>
     52 
     53 #include <dev/isa/isavar.h>
     54 #include <dev/isa/essvar.h>
     55 
     56 extern int	ess_speaker_ctl(void *, int);
     57 
     58 int	opl_ess_match(device_t, cfdata_t, void *);
     59 void	opl_ess_attach(device_t, device_t, void *);
     60 
     61 CFATTACH_DECL_NEW(opl_ess, sizeof(struct opl_softc),
     62     opl_ess_match, opl_ess_attach, NULL, NULL);
     63 
     64 int
     65 opl_ess_match(device_t parent, cfdata_t match, void *aux)
     66 {
     67 	struct audio_attach_args *aa = (struct audio_attach_args *)aux;
     68 	struct ess_softc *ssc = device_private(parent);
     69 
     70 	if (aa->type != AUDIODEV_TYPE_OPL)
     71 		return (0);
     72 	return opl_match(ssc->sc_iot, ssc->sc_ioh, 0);
     73 }
     74 
     75 void
     76 opl_ess_attach(device_t parent, device_t self, void *aux)
     77 {
     78 	struct ess_softc *ssc = device_private(parent);
     79 	struct opl_softc *sc = device_private(self);
     80 
     81 	sc->dev = self;
     82 	sc->ioh = ssc->sc_ioh;
     83 	sc->iot = ssc->sc_iot;
     84 	sc->offs = 0;
     85 	sc->spkrctl = ess_speaker_ctl;
     86 	sc->spkrarg = ssc;
     87 	sc->lock = &ssc->sc_intr_lock;
     88 	strcpy(sc->syn.name, "ESS ");
     89 
     90 	opl_attach(sc);
     91 }
     92