Midi & sequencer support from NetBSD, mostly by Lennart Augustsson

1 files changed, 92 insertions, 0 deletions

diff --git a/sys/dev/ic/oplvar.h b/sys/dev/ic/oplvar.h
new file mode 100644
index 00000000000..ad0585b3884
--- /dev/null
+++ b/sys/dev/ic/oplvar.h
@@ -0,0 +1,92 @@
+/*	$OpenBSD: oplvar.h,v 1.1 1999/01/02 00:02:41 niklas Exp $	*/
+/*	$NetBSD: oplvar.h,v 1.3 1998/11/25 22:17:06 augustss Exp $	*/
+
+/*
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Lennart Augustsson (augustss@netbsd.org).
+ *
+ * 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 <dev/midivar.h>
+#include <dev/midisynvar.h>
+
+struct opl_voice {
+	int voiceno;
+	int iooffs;
+	u_int8_t op[4];
+	struct opl_operators *patch;
+	u_int8_t rB0;
+};
+
+struct opl_softc {
+	struct midi_softc mididev;
+	bus_space_tag_t iot;
+	bus_space_handle_t ioh;
+	int	offs;
+	int	model;
+#define OPL_2 2
+#define OPL_3 3
+	struct	midisyn syn;
+
+	struct opl_voice voices[OPL3_NVOICE];
+	int volume;
+
+	int	(*spkrctl)__P((void *, int));
+	void    *spkrarg;
+};
+
+struct opl_attach_arg {
+	bus_space_tag_t iot;
+	bus_space_handle_t ioh;
+	int offs;
+	int done;
+};
+
+struct opl_operators {
+	u_int8_t opl3;
+	u_int8_t ops[22];
+#define OO_CHARS	0
+#define OO_KSL_LEV	2
+#define OO_ATT_DEC	4
+#define OO_SUS_REL	6
+#define OO_WAV_SEL	8
+#define OO_FB_CONN	10
+#define OO_4OP_OFFS	11
+};
+
+#define OPL_NINSTR 256
+extern struct opl_operators opl2_instrs[];
+extern struct opl_operators opl3_instrs[];
+
+int	opl_find __P((struct opl_softc *));
+void	opl_attach __P((struct opl_softc *));