xref: /freebsd/sys/dev/sound/midi/sequencer.h (revision d056fa046c6a91b90cd98165face0e42a33a5173)
1 /*-
2  * Include file for midi sequencer driver.
3  * (c) 2003 Mathew Kanner
4  * Copyright by Seigo Tanimura 1999.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #ifndef _SEQUENCER_H_
31 #define _SEQUENCER_H_
32 
33 
34 #define NSEQ_MAX	16
35 
36 /*
37  * many variables should be reduced to a range. Here define a macro
38  */
39 
40 #define RANGE(var, low, high) (var) = \
41 ((var)<(low)?(low) : (var)>(high)?(high) : (var))
42 
43 #ifdef _KERNEL
44 
45 void	seq_timer(void *arg);
46 
47 SYSCTL_DECL(_hw_midi_seq);
48 
49 extern int	seq_debug;
50 #define SEQ_DEBUG(y, x)			\
51 	do {				\
52 		if (seq_debug >= y) {	\
53 			(x);		\
54 		}			\
55 	} while(0)
56 
57 SYSCTL_DECL(_hw_midi);
58 
59 #endif /* _KERNEL */
60 
61 #define SYNTHPROP_MIDI		1
62 #define SYNTHPROP_SYNTH		2
63 #define SYNTHPROP_RX		4
64 #define SYNTHPROP_TX		8
65 
66 struct _midi_cmdtab {
67     int     cmd;
68     char *  name;
69 };
70 typedef struct _midi_cmdtab      midi_cmdtab;
71 extern midi_cmdtab cmdtab_seqevent[];
72 extern midi_cmdtab cmdtab_seqioctl[];
73 extern midi_cmdtab cmdtab_timer[];
74 extern midi_cmdtab cmdtab_seqcv[];
75 extern midi_cmdtab cmdtab_seqccmn[];
76 
77 char     *midi_cmdname(int cmd, midi_cmdtab *tab);
78 
79 enum {
80 	MORE,
81 	TIMERARMED,
82 	QUEUEFULL
83 };
84 
85 #endif
86