xref: /netbsd-src/lib/libossaudio/soundcard.h (revision 5dd36a3bc8bf2a9dec29ceb6349550414570c447)
1 /*	$NetBSD: soundcard.h,v 1.24 2014/09/09 10:45:18 nat Exp $	*/
2 
3 /*-
4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Lennart Augustsson.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*
33  * WARNING!  WARNING!
34  * This is an OSS (Linux) audio emulator.
35  * Use the Native NetBSD API for developing new code, and this
36  * only for compiling Linux programs.
37  */
38 
39 #ifndef _SOUNDCARD_H_
40 #define _SOUNDCARD_H_
41 
42 #ifndef SOUND_VERSION
43 #define SOUND_VERSION 0x030001
44 #endif
45 
46 #define	SNDCTL_DSP_RESET		_IO  ('P', 0)
47 #define	SNDCTL_DSP_SYNC			_IO  ('P', 1)
48 #define	SNDCTL_DSP_SPEED		_IOWR('P', 2, int)
49 #define	SOUND_PCM_READ_RATE		_IOR ('P', 2, int)
50 #define	SNDCTL_DSP_STEREO		_IOWR('P', 3, int)
51 #define	SNDCTL_DSP_GETBLKSIZE		_IOWR('P', 4, int)
52 #define	SNDCTL_DSP_SETFMT		_IOWR('P', 5, int)
53 #define	 AFMT_QUERY			0x00000000
54 #define	 AFMT_MU_LAW			0x00000001
55 #define	 AFMT_A_LAW			0x00000002
56 #define	 AFMT_IMA_ADPCM			0x00000004
57 #define	 AFMT_U8			0x00000008
58 #define	 AFMT_S16_LE			0x00000010
59 #define	 AFMT_S16_BE			0x00000020
60 #define	 AFMT_S8			0x00000040
61 #define	 AFMT_U16_LE			0x00000080
62 #define	 AFMT_U16_BE			0x00000100
63 #define	 AFMT_MPEG			0x00000200
64 #define	 AFMT_AC3			0x00000400
65 #define	 AFMT_S24_LE			0x00000800
66 #define	 AFMT_S24_BE			0x00001000
67 #define	 AFMT_S32_LE			0x00002000
68 #define	 AFMT_S32_BE			0x00004000
69 #define SNDCTL_DSP_SAMPLESIZE		SNDCTL_DSP_SETFMT
70 #define	SOUND_PCM_READ_BITS		_IOR ('P', 5, int)
71 #define	SNDCTL_DSP_CHANNELS		_IOWR('P', 6, int)
72 #define SOUND_PCM_WRITE_CHANNELS	SNDCTL_DSP_CHANNELS
73 #define	SOUND_PCM_READ_CHANNELS		_IOR ('P', 6, int)
74 #define SOUND_PCM_WRITE_FILTER		_IOWR('P', 7, int)
75 #define SOUND_PCM_READ_FILTER		_IOR ('P', 7, int)
76 #define	SNDCTL_DSP_POST			_IO  ('P', 8)
77 #define SNDCTL_DSP_SUBDIVIDE		_IOWR('P', 9, int)
78 #define	SNDCTL_DSP_SETFRAGMENT		_IOWR('P', 10, int)
79 #define	SNDCTL_DSP_GETFMTS		_IOR ('P', 11, int)
80 #define SNDCTL_DSP_GETOSPACE		_IOR ('P',12, struct audio_buf_info)
81 #define SNDCTL_DSP_GETISPACE		_IOR ('P',13, struct audio_buf_info)
82 #define SNDCTL_DSP_NONBLOCK		_IO  ('P',14)
83 #define SNDCTL_DSP_GETCAPS		_IOR ('P',15, int)
84 # define DSP_CAP_REVISION		0x000000ff
85 # define DSP_CAP_DUPLEX			0x00000100
86 # define DSP_CAP_REALTIME		0x00000200
87 # define DSP_CAP_BATCH			0x00000400
88 # define DSP_CAP_COPROC			0x00000800
89 # define DSP_CAP_TRIGGER		0x00001000
90 # define DSP_CAP_MMAP			0x00002000
91 # define PCM_CAP_INPUT			0x00004000
92 # define PCM_CAP_OUTPUT			0x00008000
93 # define PCM_CAP_MODEM			0x00010000
94 # define PCM_CAP_HIDDEN			0x00020000
95 #define SNDCTL_DSP_GETTRIGGER		_IOR ('P', 16, int)
96 #define SNDCTL_DSP_SETTRIGGER		_IOW ('P', 16, int)
97 # define PCM_ENABLE_INPUT		0x00000001
98 # define PCM_ENABLE_OUTPUT		0x00000002
99 #define SNDCTL_DSP_GETIPTR		_IOR ('P', 17, struct count_info)
100 #define SNDCTL_DSP_GETOPTR		_IOR ('P', 18, struct count_info)
101 #define SNDCTL_DSP_MAPINBUF		_IOR ('P', 19, struct buffmem_desc)
102 #define SNDCTL_DSP_MAPOUTBUF		_IOR ('P', 20, struct buffmem_desc)
103 #define SNDCTL_DSP_SETSYNCRO		_IO  ('P', 21)
104 #define SNDCTL_DSP_SETDUPLEX		_IO  ('P', 22)
105 #define SNDCTL_DSP_PROFILE		_IOW ('P', 23, int)
106 #define SNDCTL_DSP_GETODELAY		_IOR ('P', 23, int)
107 #define	  APF_NORMAL			0
108 #define	  APF_NETWORK			1
109 #define   APF_CPUINTENS			2
110 
111 /* Need native 16 bit format which depends on byte order */
112 #include <machine/endian_machdep.h>
113 #if _BYTE_ORDER == _LITTLE_ENDIAN
114 #define  AFMT_S16_NE AFMT_S16_LE
115 #define  AFMT_S16_OE AFMT_S16_BE
116 #define  AFMT_S24_NE AFMT_S24_LE
117 #define  AFMT_S24_OE AFMT_S24_BE
118 #define  AFMT_S32_NE AFMT_S32_LE
119 #define  AFMT_S32_OE AFMT_S32_BE
120 #else
121 #define  AFMT_S16_NE AFMT_S16_BE
122 #define  AFMT_S16_OE AFMT_S16_LE
123 #define  AFMT_S24_NE AFMT_S24_BE
124 #define  AFMT_S24_OE AFMT_S24_LE
125 #define  AFMT_S32_NE AFMT_S32_BE
126 #define  AFMT_S32_OE AFMT_S32_LE
127 #endif
128 
129 /* Aliases */
130 #define SOUND_PCM_WRITE_BITS		SNDCTL_DSP_SETFMT
131 #define SOUND_PCM_WRITE_RATE		SNDCTL_DSP_SPEED
132 #define SOUND_PCM_POST			SNDCTL_DSP_POST
133 #define SOUND_PCM_RESET			SNDCTL_DSP_RESET
134 #define SOUND_PCM_SYNC			SNDCTL_DSP_SYNC
135 #define SOUND_PCM_SUBDIVIDE		SNDCTL_DSP_SUBDIVIDE
136 #define SOUND_PCM_SETFRAGMENT		SNDCTL_DSP_SETFRAGMENT
137 #define SOUND_PCM_GETFMTS		SNDCTL_DSP_GETFMTS
138 #define SOUND_PCM_SETFMT		SNDCTL_DSP_SETFMT
139 #define SOUND_PCM_GETOSPACE		SNDCTL_DSP_GETOSPACE
140 #define SOUND_PCM_GETISPACE		SNDCTL_DSP_GETISPACE
141 #define SOUND_PCM_NONBLOCK		SNDCTL_DSP_NONBLOCK
142 #define SOUND_PCM_GETCAPS		SNDCTL_DSP_GETCAPS
143 #define SOUND_PCM_GETTRIGGER		SNDCTL_DSP_GETTRIGGER
144 #define SOUND_PCM_SETTRIGGER		SNDCTL_DSP_SETTRIGGER
145 #define SOUND_PCM_SETSYNCRO		SNDCTL_DSP_SETSYNCRO
146 #define SOUND_PCM_GETIPTR		SNDCTL_DSP_GETIPTR
147 #define SOUND_PCM_GETOPTR		SNDCTL_DSP_GETOPTR
148 #define SOUND_PCM_MAPINBUF		SNDCTL_DSP_MAPINBUF
149 #define SOUND_PCM_MAPOUTBUF		SNDCTL_DSP_MAPOUTBUF
150 
151 /* Mixer defines */
152 #define SOUND_MIXER_FIRST		0
153 #define SOUND_MIXER_NRDEVICES		25
154 
155 #define SOUND_MIXER_VOLUME		0
156 #define SOUND_MIXER_BASS		1
157 #define SOUND_MIXER_TREBLE		2
158 #define SOUND_MIXER_SYNTH		3
159 #define SOUND_MIXER_PCM			4
160 #define SOUND_MIXER_SPEAKER		5
161 #define SOUND_MIXER_LINE		6
162 #define SOUND_MIXER_MIC			7
163 #define SOUND_MIXER_CD			8
164 #define SOUND_MIXER_IMIX		9
165 #define SOUND_MIXER_ALTPCM		10
166 #define SOUND_MIXER_RECLEV		11
167 #define SOUND_MIXER_IGAIN		12
168 #define SOUND_MIXER_OGAIN		13
169 #define SOUND_MIXER_LINE1		14
170 #define SOUND_MIXER_LINE2		15
171 #define SOUND_MIXER_LINE3		16
172 #define SOUND_MIXER_DIGITAL1		17
173 #define SOUND_MIXER_DIGITAL2		18
174 #define SOUND_MIXER_DIGITAL3		19
175 #define SOUND_MIXER_PHONEIN		20
176 #define SOUND_MIXER_PHONEOUT		21
177 #define SOUND_MIXER_VIDEO		22
178 #define SOUND_MIXER_RADIO		23
179 #define SOUND_MIXER_MONITOR		24
180 
181 #define SOUND_ONOFF_MIN			28
182 #define SOUND_ONOFF_MAX			30
183 
184 #define SOUND_MIXER_NONE		31
185 
186 #define SOUND_DEVICE_LABELS	{"Vol  ", "Bass ", "Trebl", "Synth", "Pcm  ", "Spkr ", "Line ", \
187 				 "Mic  ", "CD   ", "Mix  ", "Pcm2 ", "Rec  ", "IGain", "OGain", \
188 				 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
189 				 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
190 
191 #define SOUND_DEVICE_NAMES	{"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
192 				 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
193 				 "line1", "line2", "line3", "dig1", "dig2", "dig3", \
194 				 "phin", "phout", "video", "radio", "monitor"}
195 
196 #define SOUND_MIXER_RECSRC		0xff
197 #define SOUND_MIXER_DEVMASK		0xfe
198 #define SOUND_MIXER_RECMASK		0xfd
199 #define SOUND_MIXER_CAPS		0xfc
200 #define  SOUND_CAP_EXCL_INPUT		1
201 #define SOUND_MIXER_STEREODEVS		0xfb
202 
203 #define MIXER_READ(dev)			_IOR('M', dev, int)
204 
205 #define SOUND_MIXER_READ_RECSRC		MIXER_READ(SOUND_MIXER_RECSRC)
206 #define SOUND_MIXER_READ_DEVMASK	MIXER_READ(SOUND_MIXER_DEVMASK)
207 #define SOUND_MIXER_READ_RECMASK	MIXER_READ(SOUND_MIXER_RECMASK)
208 #define SOUND_MIXER_READ_STEREODEVS	MIXER_READ(SOUND_MIXER_STEREODEVS)
209 #define SOUND_MIXER_READ_CAPS		MIXER_READ(SOUND_MIXER_CAPS)
210 
211 #define SOUND_MIXER_READ_VOLUME		MIXER_READ(SOUND_MIXER_VOLUME)
212 #define SOUND_MIXER_READ_BASS		MIXER_READ(SOUND_MIXER_BASS)
213 #define SOUND_MIXER_READ_TREBLE		MIXER_READ(SOUND_MIXER_TREBLE)
214 #define SOUND_MIXER_READ_SYNTH		MIXER_READ(SOUND_MIXER_SYNTH)
215 #define SOUND_MIXER_READ_PCM		MIXER_READ(SOUND_MIXER_PCM)
216 #define SOUND_MIXER_READ_SPEAKER	MIXER_READ(SOUND_MIXER_SPEAKER)
217 #define SOUND_MIXER_READ_LINE		MIXER_READ(SOUND_MIXER_LINE)
218 #define SOUND_MIXER_READ_MIC		MIXER_READ(SOUND_MIXER_MIC)
219 #define SOUND_MIXER_READ_CD		MIXER_READ(SOUND_MIXER_CD)
220 #define SOUND_MIXER_READ_IMIX		MIXER_READ(SOUND_MIXER_IMIX)
221 #define SOUND_MIXER_READ_ALTPCM		MIXER_READ(SOUND_MIXER_ALTPCM)
222 #define SOUND_MIXER_READ_RECLEV		MIXER_READ(SOUND_MIXER_RECLEV)
223 #define SOUND_MIXER_READ_IGAIN		MIXER_READ(SOUND_MIXER_IGAIN)
224 #define SOUND_MIXER_READ_OGAIN		MIXER_READ(SOUND_MIXER_OGAIN)
225 #define SOUND_MIXER_READ_LINE1		MIXER_READ(SOUND_MIXER_LINE1)
226 #define SOUND_MIXER_READ_LINE2		MIXER_READ(SOUND_MIXER_LINE2)
227 #define SOUND_MIXER_READ_LINE3		MIXER_READ(SOUND_MIXER_LINE3)
228 
229 #define MIXER_WRITE(dev)		_IOW ('M', dev, int)
230 #define MIXER_WRITE_R(dev)		_IOWR('M', dev, int)
231 
232 #define SOUND_MIXER_WRITE_RECSRC	MIXER_WRITE(SOUND_MIXER_RECSRC)
233 #define SOUND_MIXER_WRITE_R_RECSRC	MIXER_WRITE_R(SOUND_MIXER_RECSRC)
234 
235 #define SOUND_MIXER_WRITE_VOLUME	MIXER_WRITE(SOUND_MIXER_VOLUME)
236 #define SOUND_MIXER_WRITE_BASS		MIXER_WRITE(SOUND_MIXER_BASS)
237 #define SOUND_MIXER_WRITE_TREBLE	MIXER_WRITE(SOUND_MIXER_TREBLE)
238 #define SOUND_MIXER_WRITE_SYNTH		MIXER_WRITE(SOUND_MIXER_SYNTH)
239 #define SOUND_MIXER_WRITE_PCM		MIXER_WRITE(SOUND_MIXER_PCM)
240 #define SOUND_MIXER_WRITE_SPEAKER	MIXER_WRITE(SOUND_MIXER_SPEAKER)
241 #define SOUND_MIXER_WRITE_LINE		MIXER_WRITE(SOUND_MIXER_LINE)
242 #define SOUND_MIXER_WRITE_MIC		MIXER_WRITE(SOUND_MIXER_MIC)
243 #define SOUND_MIXER_WRITE_CD		MIXER_WRITE(SOUND_MIXER_CD)
244 #define SOUND_MIXER_WRITE_IMIX		MIXER_WRITE(SOUND_MIXER_IMIX)
245 #define SOUND_MIXER_WRITE_ALTPCM	MIXER_WRITE(SOUND_MIXER_ALTPCM)
246 #define SOUND_MIXER_WRITE_RECLEV	MIXER_WRITE(SOUND_MIXER_RECLEV)
247 #define SOUND_MIXER_WRITE_IGAIN		MIXER_WRITE(SOUND_MIXER_IGAIN)
248 #define SOUND_MIXER_WRITE_OGAIN		MIXER_WRITE(SOUND_MIXER_OGAIN)
249 #define SOUND_MIXER_WRITE_LINE1		MIXER_WRITE(SOUND_MIXER_LINE1)
250 #define SOUND_MIXER_WRITE_LINE2		MIXER_WRITE(SOUND_MIXER_LINE2)
251 #define SOUND_MIXER_WRITE_LINE3		MIXER_WRITE(SOUND_MIXER_LINE3)
252 
253 #define SOUND_MASK_VOLUME	(1 << SOUND_MIXER_VOLUME)
254 #define SOUND_MASK_BASS		(1 << SOUND_MIXER_BASS)
255 #define SOUND_MASK_TREBLE	(1 << SOUND_MIXER_TREBLE)
256 #define SOUND_MASK_SYNTH	(1 << SOUND_MIXER_SYNTH)
257 #define SOUND_MASK_PCM		(1 << SOUND_MIXER_PCM)
258 #define SOUND_MASK_SPEAKER	(1 << SOUND_MIXER_SPEAKER)
259 #define SOUND_MASK_LINE		(1 << SOUND_MIXER_LINE)
260 #define SOUND_MASK_MIC		(1 << SOUND_MIXER_MIC)
261 #define SOUND_MASK_CD		(1 << SOUND_MIXER_CD)
262 #define SOUND_MASK_IMIX		(1 << SOUND_MIXER_IMIX)
263 #define SOUND_MASK_ALTPCM	(1 << SOUND_MIXER_ALTPCM)
264 #define SOUND_MASK_RECLEV	(1 << SOUND_MIXER_RECLEV)
265 #define SOUND_MASK_IGAIN	(1 << SOUND_MIXER_IGAIN)
266 #define SOUND_MASK_OGAIN	(1 << SOUND_MIXER_OGAIN)
267 #define SOUND_MASK_LINE1	(1 << SOUND_MIXER_LINE1)
268 #define SOUND_MASK_LINE2	(1 << SOUND_MIXER_LINE2)
269 #define SOUND_MASK_LINE3	(1 << SOUND_MIXER_LINE3)
270 #define SOUND_MASK_DIGITAL1	(1 << SOUND_MIXER_DIGITAL1)
271 #define SOUND_MASK_DIGITAL2	(1 << SOUND_MIXER_DIGITAL2)
272 #define SOUND_MASK_DIGITAL3	(1 << SOUND_MIXER_DIGITAL3)
273 #define SOUND_MASK_PHONEIN	(1 << SOUND_MIXER_PHONEIN)
274 #define SOUND_MASK_PHONEOUT	(1 << SOUND_MIXER_PHONEOUT)
275 #define SOUND_MASK_VIDEO	(1 << SOUND_MIXER_VIDEO)
276 #define SOUND_MASK_RADIO	(1 << SOUND_MIXER_RADIO)
277 #define SOUND_MASK_MONITOR	(1 << SOUND_MIXER_MONITOR)
278 
279 typedef struct mixer_info {
280 	char id[16];
281 	char name[32];
282 	int  modify_counter;
283 	int  fillers[10];
284 } mixer_info;
285 
286 typedef struct _old_mixer_info {
287 	char id[16];
288 	char name[32];
289 } _old_mixer_info;
290 
291 #define SOUND_MIXER_INFO		_IOR('M', 101, mixer_info)
292 #define SOUND_OLD_MIXER_INFO		_IOR('M', 101, _old_mixer_info)
293 
294 #define OSS_GETVERSION			_IOR ('M', 118, int)
295 
296 typedef struct audio_buf_info {
297 	int fragments;
298 	int fragstotal;
299 	int fragsize;
300 	int bytes;
301 } audio_buf_info;
302 
303 typedef struct count_info {
304 	int bytes;
305 	int blocks;
306 	int ptr;
307 } count_info;
308 
309 typedef struct buffmem_desc {
310 	unsigned int *buffer;
311 	int size;
312 } buffmem_desc;
313 
314 /* Some OSSv4 calls. */
315 
316 #define OSS_DEVNODE_SIZE		32
317 #define OSS_LABEL_SIZE			16
318 #define OSS_LONGNAME_SIZE		64
319 #define OSS_MAX_AUDIO_DEVS		64
320 
321 #define SNDCTL_SYSINFO			_IOR ('P',24, struct oss_sysinfo)
322 #define SNDCTL_AUDIOINFO		_IOWR ('P',25, struct oss_audioinfo)
323 #define SNDCTL_ENGINEINFO		_IOWR ('P',26, struct oss_audioinfo)
324 #define SNDCTL_DSP_GETPLAYVOL		_IOR ('P',27, uint)
325 #define SNDCTL_DSP_SETPLAYVOL		_IOW ('P',28, uint)
326 #define SNDCTL_DSP_GETRECVOL		_IOR ('P',29, uint)
327 #define SNDCTL_DSP_SETRECVOL		_IOW ('P',30, uint)
328 #define SNDCTL_DSP_SKIP			_IO ('P',31)
329 #define SNDCTL_DSP_SILENCE		_IO ('P',32)
330 
331 typedef struct oss_sysinfo {
332 	char product[32];
333 	char version[32];
334 	int versionnum;
335 	char options[128];		/* Future use */
336 	int numaudios;
337 	int openedaudio[8];		/* Obsolete */
338 	int numsynths;			/* Obsolete */
339 	int nummidis;
340 	int numtimers;
341 	int nummixers;
342 	int openedmidi[8];
343 	int numcards;
344 	int numaudioengines;
345 	char license[16];
346 	char revision_info[256];	/* Internal Use */
347 	int filler[172];		/* For expansion */
348 } oss_sysinfo;
349 
350 typedef struct oss_audioinfo {
351 	int dev;		/* Set by caller */
352 	char name[OSS_LONGNAME_SIZE];
353 	int busy;
354 	int pid;
355 	int caps;
356 	int iformats;
357 	int oformats;
358 	int magic;		/* Unused */
359 	char cmd[OSS_LONGNAME_SIZE];
360 	int card_number;
361 	int port_number;
362 	int mixer_dev;
363 	int legacy_device;	/* Obsolete */
364 	int enabled;
365 	int flags;		/* Reserved */
366 	int min_rate;
367 	int max_rate;
368 	int min_channels;
369 	int max_channels;
370 	int binding;		/* Reserved */
371 	int rate_source;
372 	char handle[32];
373 #define OSS_MAX_SAMPLE_RATES	20
374 	int nrates;
375 	int rates[OSS_MAX_SAMPLE_RATES];
376 	char song_name[OSS_LONGNAME_SIZE];
377 	char label[OSS_LABEL_SIZE];
378 	int latency;				/* In usecs -1 = unknown */
379 	char devnode[OSS_DEVNODE_SIZE];
380 	int next_play_engine;
381 	int next_rec_engine;
382 	int filler[184];			/* For expansion */
383 } oss_audioinfo;
384 
385 #define ioctl _oss_ioctl
386 /*
387  * If we already included <sys/ioctl.h>, then we define our own prototype,
388  * else we depend on <sys/ioctl.h> to do it for us. We do it this way, so
389  * that we don't define the prototype twice.
390  */
391 #ifndef _SYS_IOCTL_H_
392 #include <sys/ioctl.h>
393 #else
394 __BEGIN_DECLS
395 int _oss_ioctl(int, unsigned long, ...);
396 __END_DECLS
397 #endif
398 
399 #endif /* !_SOUNDCARD_H_ */
400