blob: 1a00a3210616231f7c271fe2f621d8a29c21b27c [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070017#include <linux/fs.h>
18#include <linux/sound.h>
19
20#include "os.h"
21#include "soundvers.h"
22
23
24#ifndef SND_DEFAULT_ENABLE
25#define SND_DEFAULT_ENABLE 1
26#endif
27
28#ifndef MAX_REALTIME_FACTOR
29#define MAX_REALTIME_FACTOR 4
30#endif
31
32/*
33 * Use always 64k buffer size. There is no reason to use shorter.
34 */
35#undef DSP_BUFFSIZE
36#define DSP_BUFFSIZE (64*1024)
37
38#ifndef DSP_BUFFCOUNT
39#define DSP_BUFFCOUNT 1 /* 1 is recommended. */
40#endif
41
42#define FM_MONO 0x388 /* This is the I/O address used by AdLib */
43
44#ifndef CONFIG_PAS_BASE
45#define CONFIG_PAS_BASE 0x388
46#endif
47
48/* SEQ_MAX_QUEUE is the maximum number of sequencer events buffered by the
49 driver. (There is no need to alter this) */
50#define SEQ_MAX_QUEUE 1024
51
52#define SBFM_MAXINSTR (256) /* Size of the FM Instrument bank */
53/* 128 instruments for general MIDI setup and 16 unassigned */
54
55#define SND_NDEVS 256 /* Number of supported devices */
56
57#define DSP_DEFAULT_SPEED 8000
58
59#define MAX_AUDIO_DEV 5
60#define MAX_MIXER_DEV 5
61#define MAX_SYNTH_DEV 5
62#define MAX_MIDI_DEV 6
63#define MAX_TIMER_DEV 4
64
65struct address_info {
66 int io_base;
67 int irq;
68 int dma;
69 int dma2;
70 int always_detect; /* 1=Trust me, it's there */
71 char *name;
72 int driver_use_1; /* Driver defined field 1 */
73 int driver_use_2; /* Driver defined field 2 */
74 int *osp; /* OS specific info */
75 int card_subtype; /* Driver specific. Usually 0 */
76 void *memptr; /* Module memory chainer */
77 int slots[6]; /* To remember driver slot ids */
78};
79
80#define SYNTH_MAX_VOICES 32
81
82struct voice_alloc_info {
83 int max_voice;
84 int used_voices;
85 int ptr; /* For device specific use */
86 unsigned short map[SYNTH_MAX_VOICES]; /* (ch << 8) | (note+1) */
87 int timestamp;
88 int alloc_times[SYNTH_MAX_VOICES];
89 };
90
91struct channel_info {
92 int pgm_num;
93 int bender_value;
94 int bender_range;
95 unsigned char controllers[128];
96 };
97
98/*
99 * Process wakeup reasons
100 */
101#define WK_NONE 0x00
102#define WK_WAKEUP 0x01
103#define WK_TIMEOUT 0x02
104#define WK_SIGNAL 0x04
105#define WK_SLEEP 0x08
106#define WK_SELECT 0x10
107#define WK_ABORT 0x20
108
109#define OPEN_READ PCM_ENABLE_INPUT
110#define OPEN_WRITE PCM_ENABLE_OUTPUT
111#define OPEN_READWRITE (OPEN_READ|OPEN_WRITE)
112
113#if OPEN_READ == FMODE_READ && OPEN_WRITE == FMODE_WRITE
114
115static inline int translate_mode(struct file *file)
116{
117 return file->f_mode;
118}
119
120#else
121
122static inline int translate_mode(struct file *file)
123{
124 return ((file->f_mode & FMODE_READ) ? OPEN_READ : 0) |
125 ((file->f_mode & FMODE_WRITE) ? OPEN_WRITE : 0);
126}
127
128#endif
129
130
131#include "sound_calls.h"
132#include "dev_table.h"
133
134#ifndef DEB
135#define DEB(x)
136#endif
137
138#ifndef DDB
139#define DDB(x) do {} while (0)
140#endif
141
142#ifndef MDB
143#ifdef MODULE
144#define MDB(x) x
145#else
146#define MDB(x)
147#endif
148#endif
149
150#define TIMER_ARMED 121234
151#define TIMER_NOT_ARMED 1
152
153#endif