Midi & sequencer support from NetBSD, mostly by Lennart Augustsson

1 files changed, 105 insertions, 0 deletions

diff --git a/sys/dev/isa/opl_isa.c b/sys/dev/isa/opl_isa.c
new file mode 100644
index 00000000000..ff326b6ede5
--- /dev/null
+++ b/sys/dev/isa/opl_isa.c
@@ -0,0 +1,105 @@
+/*	$OpenBSD: opl_isa.c,v 1.1 1999/01/02 00:02:44 niklas Exp $	*/
+/*	$NetBSD: opl_isa.c,v 1.1 1998/08/26 13:33:59 augustss Exp $	*/
+
+/*
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Author: Lennart Augustsson
+ *
+ * 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 NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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/kernel.h>
+#include <sys/errno.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+#include <sys/proc.h>
+#include <sys/conf.h>
+#include <sys/select.h>
+#include <sys/audioio.h>
+#include <sys/midiio.h>
+
+#include <machine/bus.h>
+
+#include <dev/audio_if.h>
+#include <dev/midi_if.h>
+
+#include <dev/ic/oplreg.h>
+#include <dev/ic/oplvar.h>
+
+#include <dev/isa/isavar.h>
+
+#define OPL_SIZE 4
+
+int	opl_isa_match __P((struct device *, struct cfdata *, void *));
+void	opl_isa_attach __P((struct device *, struct device *, void *));
+
+struct cfattach opl_isa_ca = {
+	sizeof (struct opl_softc), opl_isa_match, opl_isa_attach
+};
+
+int
+opl_isa_match(parent, match, aux)
+	struct device *parent;
+	struct cfdata *match;
+	void *aux;
+{
+	struct isa_attach_args *ia = aux;
+	struct opl_softc sc;
+	int r;
+
+	memset(&sc, 0, sizeof sc);
+	sc.iot = ia->ia_iot;
+	if (bus_space_map(sc.iot, ia->ia_iobase, OPL_SIZE, 0, &sc.ioh))
+		return (0);
+	r = opl_find(&sc);
+        bus_space_unmap(sc.iot, sc.ioh, OPL_SIZE);
+	return (r);
+}
+
+void
+opl_isa_attach(parent, self, aux)
+	struct device *parent;
+	struct device *self;
+	void *aux;
+{
+	struct opl_softc *sc = (struct opl_softc *)self;
+	struct isa_attach_args *ia = aux;
+
+	if (bus_space_map(sc->iot, ia->ia_iobase, OPL_SIZE, 0, &sc->ioh)) {
+		printf("opl_isa_attach: bus_space_map failed\n");
+		return;
+	}
+	sc->offs = 0;
+
+	opl_attach(sc);
+}