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sound.h (74763) sound.h (77269)
1/*
2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
3 * Copyright by Hannu Savolainen 1995
4 * All rights reserved.
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 *
1/*
2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
3 * Copyright by Hannu Savolainen 1995
4 * All rights reserved.
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: head/sys/dev/sound/pcm/sound.h 74763 2001-03-24 23:10:29Z cg $
27 * $FreeBSD: head/sys/dev/sound/pcm/sound.h 77269 2001-05-27 17:22:00Z 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#include <sys/filio.h>
42#include <sys/sockio.h>
43#include <sys/fcntl.h>
44#include <sys/tty.h>
45#include <sys/proc.h>
46#include <sys/kernel.h> /* for DATA_SET */
47#include <sys/module.h>
48#include <sys/conf.h>
49#include <sys/file.h>
50#include <sys/uio.h>
51#include <sys/syslog.h>
52#include <sys/errno.h>
53#include <sys/malloc.h>
54#include <sys/bus.h>
55#if __FreeBSD_version > 500000
56#include <sys/bio.h>
57#endif
58#include <sys/buf.h>
59#include <machine/clock.h> /* for DELAY */
60#include <machine/resource.h>
61#include <machine/bus.h>
62#include <sys/rman.h>
63#include <sys/mman.h>
64#include <sys/poll.h>
65#include <sys/soundcard.h>
66#include <sys/sysctl.h>
67#include <isa/isavar.h>
68#include <sys/kobj.h>
69#include <vm/vm.h>
70#include <vm/pmap.h>
71
72#if __FreeBSD_version > 500000
73#define USING_MUTEX
74#define USING_DEVFS
75#endif
76#define SND_DYNSYSCTL
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
90struct pcm_channel;
91struct pcm_feeder;
92struct snd_dbuf;
93struct snd_mixer;
94
95#include <dev/sound/pcm/buffer.h>
96#include <dev/sound/pcm/channel.h>
97#include <dev/sound/pcm/feeder.h>
98#include <dev/sound/pcm/mixer.h>
99#include <dev/sound/pcm/dsp.h>
100
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#include <sys/filio.h>
42#include <sys/sockio.h>
43#include <sys/fcntl.h>
44#include <sys/tty.h>
45#include <sys/proc.h>
46#include <sys/kernel.h> /* for DATA_SET */
47#include <sys/module.h>
48#include <sys/conf.h>
49#include <sys/file.h>
50#include <sys/uio.h>
51#include <sys/syslog.h>
52#include <sys/errno.h>
53#include <sys/malloc.h>
54#include <sys/bus.h>
55#if __FreeBSD_version > 500000
56#include <sys/bio.h>
57#endif
58#include <sys/buf.h>
59#include <machine/clock.h> /* for DELAY */
60#include <machine/resource.h>
61#include <machine/bus.h>
62#include <sys/rman.h>
63#include <sys/mman.h>
64#include <sys/poll.h>
65#include <sys/soundcard.h>
66#include <sys/sysctl.h>
67#include <isa/isavar.h>
68#include <sys/kobj.h>
69#include <vm/vm.h>
70#include <vm/pmap.h>
71
72#if __FreeBSD_version > 500000
73#define USING_MUTEX
74#define USING_DEVFS
75#endif
76#define SND_DYNSYSCTL
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
90struct pcm_channel;
91struct pcm_feeder;
92struct snd_dbuf;
93struct snd_mixer;
94
95#include <dev/sound/pcm/buffer.h>
96#include <dev/sound/pcm/channel.h>
97#include <dev/sound/pcm/feeder.h>
98#include <dev/sound/pcm/mixer.h>
99#include <dev/sound/pcm/dsp.h>
100
101struct snddev_channel {
102 SLIST_ENTRY(snddev_channel) link;
103 struct pcm_channel *channel;
104};
105
101#define SND_STATUSLEN 64
102/* descriptor of audio device */
103struct snddev_info {
106#define SND_STATUSLEN 64
107/* descriptor of audio device */
108struct snddev_info {
104 struct pcm_channel *play, *rec, **aplay, **arec, *fakechan;
105 int *ref;
106 unsigned playcount, reccount, chancount, maxchans;
109 SLIST_HEAD(, snddev_channel) channels;
110 struct pcm_channel **aplay, **arec, *fakechan;
111 unsigned chancount, maxchans;
107 struct snd_mixer *mixer;
108 unsigned flags;
109 void *devinfo;
110 device_t dev;
111 char status[SND_STATUSLEN];
112 struct sysctl_ctx_list sysctl_tree;
113 struct sysctl_oid *sysctl_tree_top;
114 struct mtx mutex;
115};
116
117#ifndef ISADMA_WRITE
118#define ISADMA_WRITE B_WRITE
119#define ISADMA_READ B_READ
120#define ISADMA_RAW B_RAW
121#endif
122
123#define PCM_MODVER 1
124
125#define PCM_MINVER 1
126#define PCM_PREFVER PCM_MODVER
127#define PCM_MAXVER 1
128
129#define MAGIC(unit) (0xa4d10de0 + unit)
130
131#define SD_F_SIMPLEX 0x00000001
132#define SD_F_PRIO_RD 0x10000000
133#define SD_F_PRIO_WR 0x20000000
134#define SD_F_PRIO_SET (SD_F_PRIO_RD | SD_F_PRIO_WR)
135#define SD_F_DIR_SET 0x40000000
136#define SD_F_TRANSIENT 0xf0000000
137
138/* many variables should be reduced to a range. Here define a macro */
139#define RANGE(var, low, high) (var) = \
140 (((var)<(low))? (low) : ((var)>(high))? (high) : (var))
141#define DSP_BUFFSIZE (8192)
142
143/* make figuring out what a format is easier. got AFMT_STEREO already */
144#define AFMT_32BIT (AFMT_S32_LE | AFMT_S32_BE | AFMT_U32_LE | AFMT_U32_BE)
145#define AFMT_16BIT (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE)
146#define AFMT_8BIT (AFMT_U8 | AFMT_S8)
147#define AFMT_SIGNED (AFMT_S16_LE | AFMT_S16_BE | AFMT_S8)
148#define AFMT_BIGENDIAN (AFMT_S16_BE | AFMT_U16_BE)
149
150struct pcm_channel *fkchan_setup(device_t dev);
151int fkchan_kill(struct pcm_channel *c);
152
153/*
154 * Minor numbers for the sound driver.
155 *
156 * Unfortunately Creative called the codec chip of SB as a DSP. For this
157 * reason the /dev/dsp is reserved for digitized audio use. There is a
158 * device for true DSP processors but it will be called something else.
159 * In v3.0 it's /dev/sndproc but this could be a temporary solution.
160 */
161
162#define SND_DEV_CTL 0 /* Control port /dev/mixer */
163#define SND_DEV_SEQ 1 /* Sequencer /dev/sequencer */
164#define SND_DEV_MIDIN 2 /* Raw midi access */
165#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */
166#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */
167#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */
168#define SND_DEV_STATUS 6 /* /dev/sndstat */
169 /* #7 not in use now. */
170#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */
171#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */
172#define SND_DEV_PSS SND_DEV_SNDPROC /* ? */
173#define SND_DEV_NORESET 10
174
175#define DSP_DEFAULT_SPEED 8000
176
177#define ON 1
178#define OFF 0
179
180#ifdef _KERNEL
181
182/*
183 * some macros for debugging purposes
184 * DDB/DEB to enable/disable debugging stuff
185 * BVDDB to enable debugging when bootverbose
186 */
187#define DDB(x) x /* XXX */
188#define BVDDB(x) if (bootverbose) x
189
190#ifndef DEB
191#define DEB(x)
192#endif
193
194SYSCTL_DECL(_hw_snd);
195
112 struct snd_mixer *mixer;
113 unsigned flags;
114 void *devinfo;
115 device_t dev;
116 char status[SND_STATUSLEN];
117 struct sysctl_ctx_list sysctl_tree;
118 struct sysctl_oid *sysctl_tree_top;
119 struct mtx mutex;
120};
121
122#ifndef ISADMA_WRITE
123#define ISADMA_WRITE B_WRITE
124#define ISADMA_READ B_READ
125#define ISADMA_RAW B_RAW
126#endif
127
128#define PCM_MODVER 1
129
130#define PCM_MINVER 1
131#define PCM_PREFVER PCM_MODVER
132#define PCM_MAXVER 1
133
134#define MAGIC(unit) (0xa4d10de0 + unit)
135
136#define SD_F_SIMPLEX 0x00000001
137#define SD_F_PRIO_RD 0x10000000
138#define SD_F_PRIO_WR 0x20000000
139#define SD_F_PRIO_SET (SD_F_PRIO_RD | SD_F_PRIO_WR)
140#define SD_F_DIR_SET 0x40000000
141#define SD_F_TRANSIENT 0xf0000000
142
143/* many variables should be reduced to a range. Here define a macro */
144#define RANGE(var, low, high) (var) = \
145 (((var)<(low))? (low) : ((var)>(high))? (high) : (var))
146#define DSP_BUFFSIZE (8192)
147
148/* make figuring out what a format is easier. got AFMT_STEREO already */
149#define AFMT_32BIT (AFMT_S32_LE | AFMT_S32_BE | AFMT_U32_LE | AFMT_U32_BE)
150#define AFMT_16BIT (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE)
151#define AFMT_8BIT (AFMT_U8 | AFMT_S8)
152#define AFMT_SIGNED (AFMT_S16_LE | AFMT_S16_BE | AFMT_S8)
153#define AFMT_BIGENDIAN (AFMT_S16_BE | AFMT_U16_BE)
154
155struct pcm_channel *fkchan_setup(device_t dev);
156int fkchan_kill(struct pcm_channel *c);
157
158/*
159 * Minor numbers for the sound driver.
160 *
161 * Unfortunately Creative called the codec chip of SB as a DSP. For this
162 * reason the /dev/dsp is reserved for digitized audio use. There is a
163 * device for true DSP processors but it will be called something else.
164 * In v3.0 it's /dev/sndproc but this could be a temporary solution.
165 */
166
167#define SND_DEV_CTL 0 /* Control port /dev/mixer */
168#define SND_DEV_SEQ 1 /* Sequencer /dev/sequencer */
169#define SND_DEV_MIDIN 2 /* Raw midi access */
170#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */
171#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */
172#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */
173#define SND_DEV_STATUS 6 /* /dev/sndstat */
174 /* #7 not in use now. */
175#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */
176#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */
177#define SND_DEV_PSS SND_DEV_SNDPROC /* ? */
178#define SND_DEV_NORESET 10
179
180#define DSP_DEFAULT_SPEED 8000
181
182#define ON 1
183#define OFF 0
184
185#ifdef _KERNEL
186
187/*
188 * some macros for debugging purposes
189 * DDB/DEB to enable/disable debugging stuff
190 * BVDDB to enable debugging when bootverbose
191 */
192#define DDB(x) x /* XXX */
193#define BVDDB(x) if (bootverbose) x
194
195#ifndef DEB
196#define DEB(x)
197#endif
198
199SYSCTL_DECL(_hw_snd);
200
201struct pcm_channel *pcm_chnalloc(struct snddev_info *d, int direction);
202int pcm_chnfree(struct pcm_channel *c);
203int pcm_chnref(struct pcm_channel *c, int ref);
204
205struct pcm_channel *pcm_chn_create(struct snddev_info *d, struct pcm_channel *parent, kobj_class_t cls, int dir, void *devinfo);
206int pcm_chn_destroy(struct pcm_channel *ch);
207int pcm_chn_add(struct snddev_info *d, struct pcm_channel *ch);
208int pcm_chn_remove(struct snddev_info *d, struct pcm_channel *ch);
209
196int pcm_addchan(device_t dev, int dir, kobj_class_t cls, void *devinfo);
197int pcm_register(device_t dev, void *devinfo, int numplay, int numrec);
198int pcm_unregister(device_t dev);
199int pcm_setstatus(device_t dev, char *str);
200u_int32_t pcm_getflags(device_t dev);
201void pcm_setflags(device_t dev, u_int32_t val);
202void *pcm_getdevinfo(device_t dev);
203
204int snd_setup_intr(device_t dev, struct resource *res, int flags,
205 driver_intr_t hand, void *param, void **cookiep);
206
207void *snd_mtxcreate(const char *desc);
208void snd_mtxfree(void *m);
209void snd_mtxassert(void *m);
210void snd_mtxlock(void *m);
211void snd_mtxunlock(void *m);
212
213#endif /* _KERNEL */
214
215/* usage of flags in device config entry (config file) */
216#define DV_F_DRQ_MASK 0x00000007 /* mask for secondary drq */
217#define DV_F_DUAL_DMA 0x00000010 /* set to use secondary dma channel */
218
219/* ought to be made obsolete */
220#define DV_F_DEV_MASK 0x0000ff00 /* force device type/class */
221#define DV_F_DEV_SHIFT 8 /* force device type/class */
210int pcm_addchan(device_t dev, int dir, kobj_class_t cls, void *devinfo);
211int pcm_register(device_t dev, void *devinfo, int numplay, int numrec);
212int pcm_unregister(device_t dev);
213int pcm_setstatus(device_t dev, char *str);
214u_int32_t pcm_getflags(device_t dev);
215void pcm_setflags(device_t dev, u_int32_t val);
216void *pcm_getdevinfo(device_t dev);
217
218int snd_setup_intr(device_t dev, struct resource *res, int flags,
219 driver_intr_t hand, void *param, void **cookiep);
220
221void *snd_mtxcreate(const char *desc);
222void snd_mtxfree(void *m);
223void snd_mtxassert(void *m);
224void snd_mtxlock(void *m);
225void snd_mtxunlock(void *m);
226
227#endif /* _KERNEL */
228
229/* usage of flags in device config entry (config file) */
230#define DV_F_DRQ_MASK 0x00000007 /* mask for secondary drq */
231#define DV_F_DUAL_DMA 0x00000010 /* set to use secondary dma channel */
232
233/* ought to be made obsolete */
234#define DV_F_DEV_MASK 0x0000ff00 /* force device type/class */
235#define DV_F_DEV_SHIFT 8 /* force device type/class */