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oplvar.h revision 1.8 
      1 /*	$NetBSD: oplvar.h,v 1.8 2001/11/04 06:44:31 itohy Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 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 (augustss (at) netbsd.org).
      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 <dev/midivar.h>
     40 #include <dev/midisynvar.h>
     41 
     42 struct opl_voice {
     43 	int voiceno;
     44 	int iooffs;
     45 	u_int8_t op[4];
     46 	const struct opl_operators *patch;
     47 	u_int8_t rB0;
     48 };
     49 
     50 struct opl_softc {
     51 	struct midi_softc mididev;
     52 	bus_space_tag_t iot;
     53 	bus_space_handle_t ioh;
     54 	int	offs;
     55 	int	model;
     56 #define OPL_2 2
     57 #define OPL_3 3
     58 	struct	midisyn syn;
     59 	struct	device *sc_mididev;
     60 
     61 	struct opl_voice voices[OPL3_NVOICE];
     62 	int volume;
     63 	u_int8_t pan[MIDI_MAX_CHANS];
     64 	u_int8_t panl, panr;
     65 
     66 	int	(*spkrctl)__P((void *, int));
     67 	void	*spkrarg;
     68 
     69 #ifndef AUDIO_NO_POWER_CTL
     70 	int	(*powerctl)__P((void *, int));
     71 	void	*powerarg;
     72 #endif
     73 };
     74 
     75 /* for panpot */
     76 #define OPL_MIDI_CENTER_MIN	(64 - 20)
     77 #define OPL_MIDI_CENTER_MAX	(64 + 20)
     78 
     79 /* config flags */
     80 #define OPL_FLAGS_SWAP_LR	0x0001	/* swap L and R channels */
     81 
     82 struct opl_attach_arg {
     83 	bus_space_tag_t iot;
     84 	bus_space_handle_t ioh;
     85 	int offs;
     86 	int done;
     87 };
     88 
     89 struct opl_operators {
     90 	u_int8_t opl3;
     91 	u_int8_t ops[22];
     92 #define OO_CHARS	0
     93 #define OO_KSL_LEV	2
     94 #define OO_ATT_DEC	4
     95 #define OO_SUS_REL	6
     96 #define OO_WAV_SEL	8
     97 #define OO_FB_CONN	10
     98 #define OO_4OP_OFFS	11
     99 };
    100 
    101 #define OPL_NINSTR 256
    102 
    103 #ifdef _KERNEL
    104 extern const struct opl_operators opl2_instrs[];
    105 extern const struct opl_operators opl3_instrs[];
    106 
    107 int	opl_find __P((struct opl_softc *));
    108 void	opl_attach __P((struct opl_softc *));
    109 int	opl_detach __P((struct opl_softc *, int));
    110 #endif
    111