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sound.h (124617) sound.h (124740)
1/*
2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
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 <cg@freebsd.org>
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 124617 2004-01-17 10:37:11Z phk $
27 * $FreeBSD: head/sys/dev/sound/pcm/sound.h 124740 2004-01-20 03:58:57Z matk $
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/buf.h>
57#endif
58#include <machine/clock.h> /* for DELAY */
59#include <machine/resource.h>
60#include <machine/bus.h>
61#include <sys/rman.h>
62#include <sys/mman.h>
63#include <sys/poll.h>
64#include <sys/sbuf.h>
65#include <sys/soundcard.h>
66#include <sys/sysctl.h>
67#include <sys/kobj.h>
68#include <vm/vm.h>
69#include <vm/pmap.h>
70
71#undef USING_MUTEX
72#undef USING_DEVFS
73
74#if __FreeBSD_version > 500000
75#include <sys/lock.h>
76#include <sys/mutex.h>
77
78#define USING_MUTEX
79#define USING_DEVFS
80#endif
81
82#define SND_DYNSYSCTL
83
84#ifndef INTR_MPSAFE
85#define INTR_TYPE_AV INTR_TYPE_TTY
86#endif
87
88#ifndef INTR_MPSAFE
89#define INTR_MPSAFE 0
90#endif
91
92struct pcm_channel;
93struct pcm_feeder;
94struct snd_dbuf;
95struct snd_mixer;
96
97#include <dev/sound/pcm/buffer.h>
98#include <dev/sound/pcm/channel.h>
99#include <dev/sound/pcm/feeder.h>
100#include <dev/sound/pcm/mixer.h>
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/buf.h>
57#endif
58#include <machine/clock.h> /* for DELAY */
59#include <machine/resource.h>
60#include <machine/bus.h>
61#include <sys/rman.h>
62#include <sys/mman.h>
63#include <sys/poll.h>
64#include <sys/sbuf.h>
65#include <sys/soundcard.h>
66#include <sys/sysctl.h>
67#include <sys/kobj.h>
68#include <vm/vm.h>
69#include <vm/pmap.h>
70
71#undef USING_MUTEX
72#undef USING_DEVFS
73
74#if __FreeBSD_version > 500000
75#include <sys/lock.h>
76#include <sys/mutex.h>
77
78#define USING_MUTEX
79#define USING_DEVFS
80#endif
81
82#define SND_DYNSYSCTL
83
84#ifndef INTR_MPSAFE
85#define INTR_TYPE_AV INTR_TYPE_TTY
86#endif
87
88#ifndef INTR_MPSAFE
89#define INTR_MPSAFE 0
90#endif
91
92struct pcm_channel;
93struct pcm_feeder;
94struct snd_dbuf;
95struct snd_mixer;
96
97#include <dev/sound/pcm/buffer.h>
98#include <dev/sound/pcm/channel.h>
99#include <dev/sound/pcm/feeder.h>
100#include <dev/sound/pcm/mixer.h>
101#include <dev/sound/pcm/dsp.h>
102
103#define PCM_SOFTC_SIZE 512
104
105#define SND_STATUSLEN 64
106
107#define PCM_MODVER 1
108
109#define PCM_MINVER 1
110#define PCM_PREFVER PCM_MODVER
111#define PCM_MAXVER 1
112
113/*
114PROPOSAL:
115each unit needs:
116status, mixer, dsp, dspW, audio, sequencer, midi-in, seq2, sndproc = 9 devices
117dspW and audio are deprecated.
118dsp needs min 64 channels, will give it 256
119
120minor = (unit << 20) + (dev << 16) + channel
121currently minor = (channel << 16) + (unit << 4) + dev
122
123nomenclature:
124 /dev/pcmX/dsp.(0..255)
125 /dev/pcmX/dspW
126 /dev/pcmX/audio
127 /dev/pcmX/status
128 /dev/pcmX/mixer
129 [etc.]
130*/
131
132#define PCMMINOR(x) (minor(x))
133#define PCMCHAN(x) ((PCMMINOR(x) & 0x00ff0000) >> 16)
134#define PCMUNIT(x) ((PCMMINOR(x) & 0x000000f0) >> 4)
135#define PCMDEV(x) (PCMMINOR(x) & 0x0000000f)
136#define PCMMKMINOR(u, d, c) ((((c) & 0xff) << 16) | (((u) & 0x0f) << 4) | ((d) & 0x0f))
137
138#define SD_F_SIMPLEX 0x00000001
139#define SD_F_AUTOVCHAN 0x00000002
140#define SD_F_PRIO_RD 0x10000000
141#define SD_F_PRIO_WR 0x20000000
142#define SD_F_PRIO_SET (SD_F_PRIO_RD | SD_F_PRIO_WR)
143#define SD_F_DIR_SET 0x40000000
144#define SD_F_TRANSIENT 0xf0000000
145
146/* many variables should be reduced to a range. Here define a macro */
147#define RANGE(var, low, high) (var) = \
148 (((var)<(low))? (low) : ((var)>(high))? (high) : (var))
149#define DSP_BUFFSIZE (8192)
150
151/* make figuring out what a format is easier. got AFMT_STEREO already */
152#define AFMT_32BIT (AFMT_S32_LE | AFMT_S32_BE | AFMT_U32_LE | AFMT_U32_BE)
153#define AFMT_16BIT (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE)
154#define AFMT_8BIT (AFMT_U8 | AFMT_S8)
155#define AFMT_SIGNED (AFMT_S16_LE | AFMT_S16_BE | AFMT_S8)
156#define AFMT_BIGENDIAN (AFMT_S16_BE | AFMT_U16_BE)
157
158struct pcm_channel *fkchan_setup(device_t dev);
159int fkchan_kill(struct pcm_channel *c);
160
161/*
162 * Major nuber for the sound driver.
163 */
164#define SND_CDEV_MAJOR 30
165
166#define SND_MAXVCHANS 255
167
168/*
169 * Minor numbers for the sound driver.
170 *
171 * Unfortunately Creative called the codec chip of SB as a DSP. For this
172 * reason the /dev/dsp is reserved for digitized audio use. There is a
173 * device for true DSP processors but it will be called something else.
174 * In v3.0 it's /dev/sndproc but this could be a temporary solution.
175 */
176
177#define SND_DEV_CTL 0 /* Control port /dev/mixer */
178#define SND_DEV_SEQ 1 /* Sequencer /dev/sequencer */
179#define SND_DEV_MIDIN 2 /* Raw midi access */
180#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */
181#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */
182#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */
183#define SND_DEV_STATUS 6 /* /dev/sndstat */
184 /* #7 not in use now. */
185#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */
186#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */
187#define SND_DEV_PSS SND_DEV_SNDPROC /* ? */
188#define SND_DEV_NORESET 10
189#define SND_DEV_DSPREC 11 /* recording channels */
190
191#define DSP_DEFAULT_SPEED 8000
192
193#define ON 1
194#define OFF 0
195
196extern int pcm_veto_load;
197extern int snd_unit;
198extern devclass_t pcm_devclass;
199
200/*
201 * some macros for debugging purposes
202 * DDB/DEB to enable/disable debugging stuff
203 * BVDDB to enable debugging when bootverbose
204 */
205#define DDB(x) x /* XXX */
206#define BVDDB(x) if (bootverbose) x
207
208#ifndef DEB
209#define DEB(x)
210#endif
211
212SYSCTL_DECL(_hw_snd);
213
214struct sysctl_ctx_list *snd_sysctl_tree(device_t dev);
215struct sysctl_oid *snd_sysctl_tree_top(device_t dev);
216
217struct pcm_channel *pcm_getfakechan(struct snddev_info *d);
218struct pcm_channel *pcm_chnalloc(struct snddev_info *d, int direction, pid_t pid, int chnum);
219int pcm_chnrelease(struct pcm_channel *c);
220int pcm_chnref(struct pcm_channel *c, int ref);
221int pcm_inprog(struct snddev_info *d, int delta);
222
223struct pcm_channel *pcm_chn_create(struct snddev_info *d, struct pcm_channel *parent, kobj_class_t cls, int dir, void *devinfo);
224int pcm_chn_destroy(struct pcm_channel *ch);
101
102#define PCM_SOFTC_SIZE 512
103
104#define SND_STATUSLEN 64
105
106#define PCM_MODVER 1
107
108#define PCM_MINVER 1
109#define PCM_PREFVER PCM_MODVER
110#define PCM_MAXVER 1
111
112/*
113PROPOSAL:
114each unit needs:
115status, mixer, dsp, dspW, audio, sequencer, midi-in, seq2, sndproc = 9 devices
116dspW and audio are deprecated.
117dsp needs min 64 channels, will give it 256
118
119minor = (unit << 20) + (dev << 16) + channel
120currently minor = (channel << 16) + (unit << 4) + dev
121
122nomenclature:
123 /dev/pcmX/dsp.(0..255)
124 /dev/pcmX/dspW
125 /dev/pcmX/audio
126 /dev/pcmX/status
127 /dev/pcmX/mixer
128 [etc.]
129*/
130
131#define PCMMINOR(x) (minor(x))
132#define PCMCHAN(x) ((PCMMINOR(x) & 0x00ff0000) >> 16)
133#define PCMUNIT(x) ((PCMMINOR(x) & 0x000000f0) >> 4)
134#define PCMDEV(x) (PCMMINOR(x) & 0x0000000f)
135#define PCMMKMINOR(u, d, c) ((((c) & 0xff) << 16) | (((u) & 0x0f) << 4) | ((d) & 0x0f))
136
137#define SD_F_SIMPLEX 0x00000001
138#define SD_F_AUTOVCHAN 0x00000002
139#define SD_F_PRIO_RD 0x10000000
140#define SD_F_PRIO_WR 0x20000000
141#define SD_F_PRIO_SET (SD_F_PRIO_RD | SD_F_PRIO_WR)
142#define SD_F_DIR_SET 0x40000000
143#define SD_F_TRANSIENT 0xf0000000
144
145/* many variables should be reduced to a range. Here define a macro */
146#define RANGE(var, low, high) (var) = \
147 (((var)<(low))? (low) : ((var)>(high))? (high) : (var))
148#define DSP_BUFFSIZE (8192)
149
150/* make figuring out what a format is easier. got AFMT_STEREO already */
151#define AFMT_32BIT (AFMT_S32_LE | AFMT_S32_BE | AFMT_U32_LE | AFMT_U32_BE)
152#define AFMT_16BIT (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE)
153#define AFMT_8BIT (AFMT_U8 | AFMT_S8)
154#define AFMT_SIGNED (AFMT_S16_LE | AFMT_S16_BE | AFMT_S8)
155#define AFMT_BIGENDIAN (AFMT_S16_BE | AFMT_U16_BE)
156
157struct pcm_channel *fkchan_setup(device_t dev);
158int fkchan_kill(struct pcm_channel *c);
159
160/*
161 * Major nuber for the sound driver.
162 */
163#define SND_CDEV_MAJOR 30
164
165#define SND_MAXVCHANS 255
166
167/*
168 * Minor numbers for the sound driver.
169 *
170 * Unfortunately Creative called the codec chip of SB as a DSP. For this
171 * reason the /dev/dsp is reserved for digitized audio use. There is a
172 * device for true DSP processors but it will be called something else.
173 * In v3.0 it's /dev/sndproc but this could be a temporary solution.
174 */
175
176#define SND_DEV_CTL 0 /* Control port /dev/mixer */
177#define SND_DEV_SEQ 1 /* Sequencer /dev/sequencer */
178#define SND_DEV_MIDIN 2 /* Raw midi access */
179#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */
180#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */
181#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */
182#define SND_DEV_STATUS 6 /* /dev/sndstat */
183 /* #7 not in use now. */
184#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */
185#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */
186#define SND_DEV_PSS SND_DEV_SNDPROC /* ? */
187#define SND_DEV_NORESET 10
188#define SND_DEV_DSPREC 11 /* recording channels */
189
190#define DSP_DEFAULT_SPEED 8000
191
192#define ON 1
193#define OFF 0
194
195extern int pcm_veto_load;
196extern int snd_unit;
197extern devclass_t pcm_devclass;
198
199/*
200 * some macros for debugging purposes
201 * DDB/DEB to enable/disable debugging stuff
202 * BVDDB to enable debugging when bootverbose
203 */
204#define DDB(x) x /* XXX */
205#define BVDDB(x) if (bootverbose) x
206
207#ifndef DEB
208#define DEB(x)
209#endif
210
211SYSCTL_DECL(_hw_snd);
212
213struct sysctl_ctx_list *snd_sysctl_tree(device_t dev);
214struct sysctl_oid *snd_sysctl_tree_top(device_t dev);
215
216struct pcm_channel *pcm_getfakechan(struct snddev_info *d);
217struct pcm_channel *pcm_chnalloc(struct snddev_info *d, int direction, pid_t pid, int chnum);
218int pcm_chnrelease(struct pcm_channel *c);
219int pcm_chnref(struct pcm_channel *c, int ref);
220int pcm_inprog(struct snddev_info *d, int delta);
221
222struct pcm_channel *pcm_chn_create(struct snddev_info *d, struct pcm_channel *parent, kobj_class_t cls, int dir, void *devinfo);
223int pcm_chn_destroy(struct pcm_channel *ch);
225int pcm_chn_add(struct snddev_info *d, struct pcm_channel *ch, int mkdev);
226int pcm_chn_remove(struct snddev_info *d, struct pcm_channel *ch, int rmdev);
224int pcm_chn_add(struct snddev_info *d, struct pcm_channel *ch);
225int pcm_chn_remove(struct snddev_info *d, struct pcm_channel *ch);
227
228int pcm_addchan(device_t dev, int dir, kobj_class_t cls, void *devinfo);
229unsigned int pcm_getbuffersize(device_t dev, unsigned int min, unsigned int deflt, unsigned int max);
230int pcm_register(device_t dev, void *devinfo, int numplay, int numrec);
231int pcm_unregister(device_t dev);
232int pcm_setstatus(device_t dev, char *str);
233u_int32_t pcm_getflags(device_t dev);
234void pcm_setflags(device_t dev, u_int32_t val);
235void *pcm_getdevinfo(device_t dev);
236
226
227int pcm_addchan(device_t dev, int dir, kobj_class_t cls, void *devinfo);
228unsigned int pcm_getbuffersize(device_t dev, unsigned int min, unsigned int deflt, unsigned int max);
229int pcm_register(device_t dev, void *devinfo, int numplay, int numrec);
230int pcm_unregister(device_t dev);
231int pcm_setstatus(device_t dev, char *str);
232u_int32_t pcm_getflags(device_t dev);
233void pcm_setflags(device_t dev, u_int32_t val);
234void *pcm_getdevinfo(device_t dev);
235
237int pcm_regdevt(dev_t dev, unsigned unit, unsigned type, unsigned channel);
238dev_t pcm_getdevt(unsigned unit, unsigned type, unsigned channel);
239int pcm_unregdevt(unsigned unit, unsigned type, unsigned channel);
240
241int snd_setup_intr(device_t dev, struct resource *res, int flags,
242 driver_intr_t hand, void *param, void **cookiep);
243
244void *snd_mtxcreate(const char *desc, const char *type);
245void snd_mtxfree(void *m);
246void snd_mtxassert(void *m);
247#define snd_mtxlock(m) mtx_lock(m)
248#define snd_mtxunlock(m) mtx_unlock(m)
249
250int sysctl_hw_snd_vchans(SYSCTL_HANDLER_ARGS);
251
252typedef int (*sndstat_handler)(struct sbuf *s, device_t dev, int verbose);
253int sndstat_register(device_t dev, char *str, sndstat_handler handler);
254int sndstat_registerfile(char *str);
255int sndstat_unregister(device_t dev);
256int sndstat_unregisterfile(char *str);
257int sndstat_busy(void);
258
259#define SND_DECLARE_FILE(version) \
260 _SND_DECLARE_FILE(__LINE__, version)
261
262#define _SND_DECLARE_FILE(uniq, version) \
263 __SND_DECLARE_FILE(uniq, version)
264
265#define __SND_DECLARE_FILE(uniq, version) \
266 static char sndstat_vinfo[] = version; \
267 SYSINIT(sdf_ ## uniq, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, sndstat_registerfile, sndstat_vinfo); \
268 SYSUNINIT(sdf_ ## uniq, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, sndstat_unregisterfile, sndstat_vinfo);
269
270/* usage of flags in device config entry (config file) */
271#define DV_F_DRQ_MASK 0x00000007 /* mask for secondary drq */
272#define DV_F_DUAL_DMA 0x00000010 /* set to use secondary dma channel */
273
274/* ought to be made obsolete but still used by mss */
275#define DV_F_DEV_MASK 0x0000ff00 /* force device type/class */
276#define DV_F_DEV_SHIFT 8 /* force device type/class */
277
278#define PCM_DEBUG_MTX
279
280/*
281 * this is rather kludgey- we need to duplicate these struct def'ns from sound.c
282 * so that the macro versions of pcm_{,un}lock can dereference them.
283 * we also have to do this now makedev() has gone away.
284 */
285
286struct snddev_channel {
287 SLIST_ENTRY(snddev_channel) link;
288 struct pcm_channel *channel;
236
237int snd_setup_intr(device_t dev, struct resource *res, int flags,
238 driver_intr_t hand, void *param, void **cookiep);
239
240void *snd_mtxcreate(const char *desc, const char *type);
241void snd_mtxfree(void *m);
242void snd_mtxassert(void *m);
243#define snd_mtxlock(m) mtx_lock(m)
244#define snd_mtxunlock(m) mtx_unlock(m)
245
246int sysctl_hw_snd_vchans(SYSCTL_HANDLER_ARGS);
247
248typedef int (*sndstat_handler)(struct sbuf *s, device_t dev, int verbose);
249int sndstat_register(device_t dev, char *str, sndstat_handler handler);
250int sndstat_registerfile(char *str);
251int sndstat_unregister(device_t dev);
252int sndstat_unregisterfile(char *str);
253int sndstat_busy(void);
254
255#define SND_DECLARE_FILE(version) \
256 _SND_DECLARE_FILE(__LINE__, version)
257
258#define _SND_DECLARE_FILE(uniq, version) \
259 __SND_DECLARE_FILE(uniq, version)
260
261#define __SND_DECLARE_FILE(uniq, version) \
262 static char sndstat_vinfo[] = version; \
263 SYSINIT(sdf_ ## uniq, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, sndstat_registerfile, sndstat_vinfo); \
264 SYSUNINIT(sdf_ ## uniq, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, sndstat_unregisterfile, sndstat_vinfo);
265
266/* usage of flags in device config entry (config file) */
267#define DV_F_DRQ_MASK 0x00000007 /* mask for secondary drq */
268#define DV_F_DUAL_DMA 0x00000010 /* set to use secondary dma channel */
269
270/* ought to be made obsolete but still used by mss */
271#define DV_F_DEV_MASK 0x0000ff00 /* force device type/class */
272#define DV_F_DEV_SHIFT 8 /* force device type/class */
273
274#define PCM_DEBUG_MTX
275
276/*
277 * this is rather kludgey- we need to duplicate these struct def'ns from sound.c
278 * so that the macro versions of pcm_{,un}lock can dereference them.
279 * we also have to do this now makedev() has gone away.
280 */
281
282struct snddev_channel {
283 SLIST_ENTRY(snddev_channel) link;
284 struct pcm_channel *channel;
285 int chan_num;
286 dev_t dsp_devt;
287 dev_t dspW_devt;
288 dev_t audio_devt;
289 dev_t dspr_devt;
289};
290
290};
291
291struct snddev_devt {
292 SLIST_ENTRY(snddev_devt) link;
293 dev_t dev;
294 unsigned channel;
295 unsigned type;
296};
297
298struct snddev_info {
299 SLIST_HEAD(, snddev_channel) channels;
292struct snddev_info {
293 SLIST_HEAD(, snddev_channel) channels;
300 SLIST_HEAD(, snddev_devt) devs;
301 struct pcm_channel *fakechan;
302 unsigned devcount, playcount, reccount, vchancount;
303 unsigned flags;
304 int inprog;
305 unsigned int bufsz;
306 void *devinfo;
307 device_t dev;
308 char status[SND_STATUSLEN];
309 struct sysctl_ctx_list sysctl_tree;
310 struct sysctl_oid *sysctl_tree_top;
311 struct mtx *lock;
312 dev_t mixer_dev;
313
314};
315
316#ifdef PCM_DEBUG_MTX
317#define pcm_lock(d) mtx_lock(((struct snddev_info *)(d))->lock)
318#define pcm_unlock(d) mtx_unlock(((struct snddev_info *)(d))->lock)
319#else
320void pcm_lock(struct snddev_info *d);
321void pcm_unlock(struct snddev_info *d);
322#endif
323
324#endif /* _KERNEL */
325
326#endif /* _OS_H_ */
294 struct pcm_channel *fakechan;
295 unsigned devcount, playcount, reccount, vchancount;
296 unsigned flags;
297 int inprog;
298 unsigned int bufsz;
299 void *devinfo;
300 device_t dev;
301 char status[SND_STATUSLEN];
302 struct sysctl_ctx_list sysctl_tree;
303 struct sysctl_oid *sysctl_tree_top;
304 struct mtx *lock;
305 dev_t mixer_dev;
306
307};
308
309#ifdef PCM_DEBUG_MTX
310#define pcm_lock(d) mtx_lock(((struct snddev_info *)(d))->lock)
311#define pcm_unlock(d) mtx_unlock(((struct snddev_info *)(d))->lock)
312#else
313void pcm_lock(struct snddev_info *d);
314void pcm_unlock(struct snddev_info *d);
315#endif
316
317#endif /* _KERNEL */
318
319#endif /* _OS_H_ */