sound.h revision 64442
1240684Sdteske/*
2240684Sdteske * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
3240684Sdteske * Copyright by Hannu Savolainen 1995
4240684Sdteske * All rights reserved.
5240684Sdteske *
6240684Sdteske * 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: head/sys/dev/sound/pcm/sound.h 64442 2000-08-09 01:22:09Z cg $
28 */
29
30/*
31 * first, include kernel header files.
32 */
33
34#ifndef _OS_H_
35#define _OS_H_
36
37#ifdef _KERNEL
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/ioccom.h>
41
42#include <sys/filio.h>
43#include <sys/sockio.h>
44#include <sys/fcntl.h>
45#include <sys/tty.h>
46#include <sys/proc.h>
47
48#include <sys/kernel.h> /* for DATA_SET */
49
50#if __FreeBSD_version < 500000
51#define MODULE_VERSION(mod, ver)
52#define MODULE_DEPEND(mod, dep, min, pref, max)
53#endif
54
55#include <sys/module.h>
56#include <sys/conf.h>
57#include <sys/file.h>
58#include <sys/uio.h>
59#include <sys/syslog.h>
60#include <sys/errno.h>
61#include <sys/malloc.h>
62#include <sys/bus.h>
63#if __FreeBSD_version > 500000
64#include <sys/bio.h>
65#endif
66#include <sys/buf.h>
67#include <machine/clock.h>	/* for DELAY */
68#include <machine/resource.h>
69#include <machine/bus.h>
70#include <sys/rman.h>
71#include <sys/mman.h>
72#include <sys/poll.h>
73#include <sys/soundcard.h>
74#include <isa/isavar.h>
75#include <vm/vm.h>
76#include <vm/pmap.h>
77
78#else
79struct isa_device { int dummy; };
80#define d_open_t void
81#define d_close_t void
82#define d_read_t void
83#define d_write_t void
84#define d_ioctl_t void
85#define d_select_t void
86#endif /* _KERNEL */
87
88#endif	/* _OS_H_ */
89
90#include <dev/sound/pcm/datatypes.h>
91#include <dev/sound/pcm/channel.h>
92#include <dev/sound/pcm/mixer.h>
93#include <dev/sound/pcm/dsp.h>
94
95#ifndef ISADMA_WRITE
96#define ISADMA_WRITE B_WRITE
97#define ISADMA_READ B_READ
98#define ISADMA_RAW B_RAW
99#endif
100
101#define PCM_MODVER	1
102
103#define PCM_MINVER	1
104#define PCM_PREFVER	PCM_MODVER
105#define PCM_MAXVER	1
106
107#define	MAGIC(unit) (0xa4d10de0 + unit)
108
109#define SD_F_SIMPLEX		0x00000001
110#define SD_F_PRIO_RD		0x10000000
111#define SD_F_PRIO_WR		0x20000000
112#define SD_F_PRIO_SET		(SD_F_PRIO_RD | SD_F_PRIO_WR)
113#define SD_F_DIR_SET		0x40000000
114#define SD_F_TRANSIENT		0xf0000000
115
116/* many variables should be reduced to a range. Here define a macro */
117#define RANGE(var, low, high) (var) = \
118	(((var)<(low))? (low) : ((var)>(high))? (high) : (var))
119/*
120#define DSP_BUFFSIZE (65536 - 256)
121*/
122#define DSP_BUFFSIZE (8192)
123/* the last 256 bytes are room for buggy soundcard to overflow. */
124
125/* make figuring out what a format is easier. got AFMT_STEREO already */
126#define AFMT_16BIT (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE)
127#define AFMT_SIGNED (AFMT_S16_LE | AFMT_S16_BE | AFMT_S8)
128#define AFMT_BIGENDIAN (AFMT_S16_BE | AFMT_U16_BE)
129
130int fkchan_setup(pcm_channel *c);
131
132/*
133 * Minor numbers for the sound driver.
134 *
135 * Unfortunately Creative called the codec chip of SB as a DSP. For this
136 * reason the /dev/dsp is reserved for digitized audio use. There is a
137 * device for true DSP processors but it will be called something else.
138 * In v3.0 it's /dev/sndproc but this could be a temporary solution.
139 */
140
141#define SND_DEV_CTL	0	/* Control port /dev/mixer */
142#define SND_DEV_SEQ	1	/* Sequencer /dev/sequencer */
143#define SND_DEV_MIDIN	2	/* Raw midi access */
144#define SND_DEV_DSP	3	/* Digitized voice /dev/dsp */
145#define SND_DEV_AUDIO	4	/* Sparc compatible /dev/audio */
146#define SND_DEV_DSP16	5	/* Like /dev/dsp but 16 bits/sample */
147#define SND_DEV_STATUS	6	/* /dev/sndstat */
148				/* #7 not in use now. */
149#define SND_DEV_SEQ2	8	/* /dev/sequencer, level 2 interface */
150#define SND_DEV_SNDPROC 9	/* /dev/sndproc for programmable devices */
151#define SND_DEV_PSS	SND_DEV_SNDPROC /* ? */
152#define SND_DEV_NORESET	10
153
154#define DSP_DEFAULT_SPEED	8000
155
156#define ON		1
157#define OFF		0
158
159#ifdef _KERNEL
160
161/*
162 * some macros for debugging purposes
163 * DDB/DEB to enable/disable debugging stuff
164 * BVDDB   to enable debugging when bootverbose
165 */
166#define DDB(x)	x	/* XXX */
167#define BVDDB(x) if (bootverbose) x
168
169#ifndef DEB
170#define DEB(x)
171#endif
172
173int pcm_addchan(device_t dev, int dir, pcm_channel *templ, void *devinfo);
174int pcm_register(device_t dev, void *devinfo, int numplay, int numrec);
175int pcm_setstatus(device_t dev, char *str);
176u_int32_t pcm_getflags(device_t dev);
177void pcm_setflags(device_t dev, u_int32_t val);
178void *pcm_getdevinfo(device_t dev);
179void pcm_setswap(device_t dev, pcm_swap_t *swap);
180
181#endif /* _KERNEL */
182
183/* usage of flags in device config entry (config file) */
184#define DV_F_DRQ_MASK	0x00000007	/* mask for secondary drq */
185#define	DV_F_DUAL_DMA	0x00000010	/* set to use secondary dma channel */
186
187/* ought to be made obsolete */
188#define	DV_F_DEV_MASK	0x0000ff00	/* force device type/class */
189#define	DV_F_DEV_SHIFT	8		/* force device type/class */
190