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Annotation of sys/dev/midisynvar.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: midisynvar.h,v 1.2 2002/03/14 01:26:52 millert Exp $  */
        !             2: /*     $NetBSD: midisynvar.h,v 1.3 1998/11/25 22:17:07 augustss Exp $  */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1998 The NetBSD Foundation, Inc.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * This code is derived from software contributed to The NetBSD Foundation
        !             9:  * by Lennart Augustsson (augustss@netbsd.org).
        !            10:  *
        !            11:  * Redistribution and use in source and binary forms, with or without
        !            12:  * modification, are permitted provided that the following conditions
        !            13:  * are met:
        !            14:  * 1. Redistributions of source code must retain the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer.
        !            16:  * 2. Redistributions in binary form must reproduce the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer in the
        !            18:  *    documentation and/or other materials provided with the distribution.
        !            19:  * 3. All advertising materials mentioning features or use of this software
        !            20:  *    must display the following acknowledgement:
        !            21:  *        This product includes software developed by the NetBSD
        !            22:  *        Foundation, Inc. and its contributors.
        !            23:  * 4. Neither the name of The NetBSD Foundation nor the names of its
        !            24:  *    contributors may be used to endorse or promote products derived
        !            25:  *    from this software without specific prior written permission.
        !            26:  *
        !            27:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
        !            28:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
        !            29:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
        !            30:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
        !            31:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
        !            32:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
        !            33:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
        !            34:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
        !            35:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
        !            36:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            37:  * POSSIBILITY OF SUCH DAMAGE.
        !            38:  */
        !            39:
        !            40: #ifndef _SYS_DEV_MIDISYNVAR_H_
        !            41: #define _SYS_DEV_MIDISYNVAR_H_
        !            42:
        !            43: typedef struct midisyn midisyn;
        !            44:
        !            45: struct midisyn_methods {
        !            46:        int  (*open)(midisyn *, int);
        !            47:        void (*close)(midisyn *);
        !            48:        int  (*ioctl)(midisyn *, u_long, caddr_t, int, struct proc *);
        !            49:        int  (*allocv)(midisyn *, u_int32_t, u_int32_t);
        !            50:        void (*noteon)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
        !            51:        void (*noteoff)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
        !            52:        void (*keypres)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
        !            53:        void (*ctlchg)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
        !            54:        void (*pgmchg)(midisyn *, u_int32_t, u_int32_t);
        !            55:        void (*chnpres)(midisyn *, u_int32_t, u_int32_t);
        !            56:        void (*pitchb)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
        !            57:        void (*sysex)(midisyn *, u_int32_t);
        !            58: };
        !            59:
        !            60: struct voice {
        !            61:        u_int chan_note;        /* channel and note */
        !            62: #define MS_CHANNOTE(chan, note) ((chan) * 256 + (note))
        !            63: #define MS_GETCHAN(v) ((v)->chan_note >> 8)
        !            64:        u_int seqno;            /* allocation index (increases with time) */
        !            65:        u_char inuse;
        !            66: };
        !            67:
        !            68: #define MIDI_MAX_CHANS 16
        !            69:
        !            70: struct midisyn {
        !            71:        /* Filled by synth driver */
        !            72:        struct midisyn_methods *mets;
        !            73:        char name[32];
        !            74:        int nvoice;
        !            75:        int flags;
        !            76: #define MS_DOALLOC     1
        !            77: #define MS_FREQXLATE   2
        !            78:        void *data;
        !            79:
        !            80:        /* Used by midisyn driver */
        !            81:        u_int8_t buf[3];
        !            82:        int pos;
        !            83:        struct voice *voices;
        !            84:        u_int seqno;
        !            85:        u_int16_t pgms[MIDI_MAX_CHANS];
        !            86: };
        !            87:
        !            88: #define MS_GETPGM(ms, vno) ((ms)->pgms[MS_GETCHAN(&(ms)->voices[vno])])
        !            89:
        !            90: struct midi_softc;
        !            91:
        !            92: extern struct midi_hw_if midisyn_hw_if;
        !            93:
        !            94: void   midisyn_attach(struct midi_softc *, midisyn *);
        !            95:
        !            96: #define MIDISYN_FREQ_TO_HZ(f) ((f) >> 16)
        !            97:
        !            98: #endif /* _SYS_DEV_MIDISYNVAR_H_ */