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_ */ 99