1 /* sound_config.h
2  *
3  * A driver for sound cards, misc. configuration parameters.
4  */
5 /*
6  * Copyright (C) by Hannu Savolainen 1993-1997
7  *
8  * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
9  * Version 2 (June 1991). See the "COPYING" file distributed with this software
10  * for more info.
11  */
12 
13 
14 #ifndef  _SOUND_CONFIG_H_
15 #define  _SOUND_CONFIG_H_
16 
17 #include <linux/config.h>
18 #include <linux/fs.h>
19 #include <linux/sound.h>
20 
21 #include "os.h"
22 #include "soundvers.h"
23 
24 
25 #ifndef SND_DEFAULT_ENABLE
26 #define SND_DEFAULT_ENABLE	1
27 #endif
28 
29 #ifndef MAX_REALTIME_FACTOR
30 #define MAX_REALTIME_FACTOR	4
31 #endif
32 
33 /*
34  * Use always 64k buffer size. There is no reason to use shorter.
35  */
36 #undef DSP_BUFFSIZE
37 #define DSP_BUFFSIZE		(64*1024)
38 
39 #ifndef DSP_BUFFCOUNT
40 #define DSP_BUFFCOUNT		1	/* 1 is recommended. */
41 #endif
42 
43 #define FM_MONO		0x388	/* This is the I/O address used by AdLib */
44 
45 #ifndef CONFIG_PAS_BASE
46 #define CONFIG_PAS_BASE	0x388
47 #endif
48 
49 /* SEQ_MAX_QUEUE is the maximum number of sequencer events buffered by the
50    driver. (There is no need to alter this) */
51 #define SEQ_MAX_QUEUE	1024
52 
53 #define SBFM_MAXINSTR		(256)	/* Size of the FM Instrument bank */
54 /* 128 instruments for general MIDI setup and 16 unassigned	 */
55 
56 #define SND_NDEVS	256	/* Number of supported devices */
57 
58 #define DSP_DEFAULT_SPEED	8000
59 
60 #define MAX_AUDIO_DEV	5
61 #define MAX_MIXER_DEV	5
62 #define MAX_SYNTH_DEV	5
63 #define MAX_MIDI_DEV	6
64 #define MAX_TIMER_DEV	4
65 
66 struct address_info {
67 	int io_base;
68 	int irq;
69 	int dma;
70 	int dma2;
71 	int always_detect;	/* 1=Trust me, it's there */
72 	char *name;
73 	int driver_use_1;	/* Driver defined field 1 */
74 	int driver_use_2;	/* Driver defined field 2 */
75 	int *osp;	/* OS specific info */
76 	int card_subtype;	/* Driver specific. Usually 0 */
77 	void *memptr;           /* Module memory chainer */
78 	int slots[6];           /* To remember driver slot ids */
79 };
80 
81 #define SYNTH_MAX_VOICES	32
82 
83 struct voice_alloc_info {
84 		int max_voice;
85 		int used_voices;
86 		int ptr;		/* For device specific use */
87 		unsigned short map[SYNTH_MAX_VOICES]; /* (ch << 8) | (note+1) */
88 		int timestamp;
89 		int alloc_times[SYNTH_MAX_VOICES];
90 	};
91 
92 struct channel_info {
93 		int pgm_num;
94 		int bender_value;
95 		int bender_range;
96 		unsigned char controllers[128];
97 	};
98 
99 /*
100  * Process wakeup reasons
101  */
102 #define WK_NONE		0x00
103 #define WK_WAKEUP	0x01
104 #define WK_TIMEOUT	0x02
105 #define WK_SIGNAL	0x04
106 #define WK_SLEEP	0x08
107 #define WK_SELECT	0x10
108 #define WK_ABORT	0x20
109 
110 #define OPEN_READ	PCM_ENABLE_INPUT
111 #define OPEN_WRITE	PCM_ENABLE_OUTPUT
112 #define OPEN_READWRITE	(OPEN_READ|OPEN_WRITE)
113 
114 #if OPEN_READ == FMODE_READ && OPEN_WRITE == FMODE_WRITE
115 
translate_mode(struct file * file)116 static inline int translate_mode(struct file *file)
117 {
118 	return file->f_mode;
119 }
120 
121 #else
122 
translate_mode(struct file * file)123 static inline int translate_mode(struct file *file)
124 {
125 	return ((file->f_mode & FMODE_READ) ? OPEN_READ : 0) |
126 		((file->f_mode & FMODE_WRITE) ? OPEN_WRITE : 0);
127 }
128 
129 #endif
130 
131 
132 #include "sound_calls.h"
133 #include "dev_table.h"
134 
135 #ifndef DEB
136 #define DEB(x)
137 #endif
138 
139 #ifndef DDB
140 #define DDB(x) {}
141 #endif
142 
143 #ifndef MDB
144 #ifdef MODULE
145 #define MDB(x) x
146 #else
147 #define MDB(x)
148 #endif
149 #endif
150 
151 #define TIMER_ARMED	121234
152 #define TIMER_NOT_ARMED	1
153 
154 #endif
155