xref: /dragonfly/sys/sys/soundcard.h (revision 6693db17)
1 /*
2  * soundcard.h
3  */
4 
5 /*-
6  * Copyright by Hannu Savolainen 1993
7  * Modified for the new FreeBSD sound driver by Luigi Rizzo, 1997
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above
15  *    copyright notice, this list of conditions and the following
16  *    disclaimer in the documentation and/or other materials provided
17  *    with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
22  * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR
23  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
26  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
29  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  *
32  * $FreeBSD: src/sys/sys/soundcard.h,v 1.44.2.1 2005/12/30 19:55:52 netchild Exp $
33  * $DragonFly: src/sys/sys/soundcard.h,v 1.7 2007/01/04 21:47:03 corecode Exp $
34  */
35 
36 #ifndef _SYS_SOUNDCARD_H_
37 #define _SYS_SOUNDCARD_H_
38  /*
39   * If you make modifications to this file, please contact me before
40   * distributing the modified version. There is already enough
41   * diversity in the world.
42   *
43   * Regards,
44   * Hannu Savolainen
45   * hannu@voxware.pp.fi
46   *
47   **********************************************************************
48   * PS.	The Hacker's Guide to VoxWare available from
49   *     nic.funet.fi:pub/Linux/ALPHA/sound. The file is
50   *	snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains
51   *	some useful information about programming with VoxWare.
52   *	(NOTE! The pub/Linux/ALPHA/ directories are hidden. You have
53   *	to cd inside them before the files are accessible.)
54   **********************************************************************
55   */
56 
57 /*
58  * SOUND_VERSION is only used by the voxware driver. Hopefully apps
59  * should not depend on it, but rather look at the capabilities
60  * of the driver in the kernel!
61  */
62 #define SOUND_VERSION  301
63 #define VOXWARE		/* does this have any use ? */
64 
65 /*
66  * Supported card ID numbers (Should be somewhere else? We keep
67  * them here just for compativility with the old driver, but these
68  * constants are of little or no use).
69  */
70 
71 #define SNDCARD_ADLIB          1
72 #define SNDCARD_SB             2
73 #define SNDCARD_PAS            3
74 #define SNDCARD_GUS            4
75 #define SNDCARD_MPU401         5
76 #define SNDCARD_SB16           6
77 #define SNDCARD_SB16MIDI       7
78 #define SNDCARD_UART6850       8
79 #define SNDCARD_GUS16          9
80 #define SNDCARD_MSS            10
81 #define SNDCARD_PSS            11
82 #define SNDCARD_SSCAPE         12
83 #define SNDCARD_PSS_MPU        13
84 #define SNDCARD_PSS_MSS        14
85 #define SNDCARD_SSCAPE_MSS     15
86 #define SNDCARD_TRXPRO         16
87 #define SNDCARD_TRXPRO_SB      17
88 #define SNDCARD_TRXPRO_MPU     18
89 #define SNDCARD_MAD16          19
90 #define SNDCARD_MAD16_MPU      20
91 #define SNDCARD_CS4232         21
92 #define SNDCARD_CS4232_MPU     22
93 #define SNDCARD_MAUI           23
94 #define SNDCARD_PSEUDO_MSS     24
95 #define SNDCARD_AWE32          25
96 #define SNDCARD_NSS            26
97 #define SNDCARD_UART16550      27
98 #define SNDCARD_OPL            28
99 
100 #include <sys/types.h>
101 #include <machine/endian.h>
102 #ifndef _IOWR
103 #include <sys/ioccom.h>
104 #endif  /* !_IOWR */
105 
106 /*
107  * The first part of this file contains the new FreeBSD sound ioctl
108  * interface. Tries to minimize the number of different ioctls, and
109  * to be reasonably general.
110  *
111  * 970821: some of the new calls have not been implemented yet.
112  */
113 
114 /*
115  * the following three calls extend the generic file descriptor
116  * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max
117  * number of bytes for a write operation to be non-blocking.
118  *
119  * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device,
120  * from a character device (default) to a block device. In block mode,
121  * (not to be confused with blocking mode) the main difference for the
122  * application is that select() will return only when a complete
123  * block can be read/written to the device, whereas in character mode
124  * select will return true when one byte can be exchanged. For audio
125  * devices, character mode makes select almost useless since one byte
126  * will always be ready by the next sample time (which is often only a
127  * handful of microseconds away).
128  * Use a size of 0 or 1 to return to character mode.
129  */
130 #define	AIONWRITE   _IOR('A', 10, int)   /* get # bytes to write */
131 struct snd_size {
132     int play_size;
133     int rec_size;
134 };
135 #define	AIOGSIZE    _IOR('A', 11, struct snd_size)/* read current blocksize */
136 #define	AIOSSIZE    _IOWR('A', 11, struct snd_size)  /* sets blocksize */
137 
138 /*
139  * The following constants define supported audio formats. The
140  * encoding follows voxware conventions, i.e. 1 bit for each supported
141  * format. We extend it by using bit 31 (RO) to indicate full-duplex
142  * capability, and bit 29 (RO) to indicate that the card supports/
143  * needs different formats on capture & playback channels.
144  * Bit 29 (RW) is used to indicate/ask stereo.
145  *
146  * The number of bits required to store the sample is:
147  *  o  4 bits for the IDA ADPCM format,
148  *  o  8 bits for 8-bit formats, mu-law and A-law,
149  *  o  16 bits for the 16-bit formats, and
150  *  o  32 bits for the 24/32-bit formats.
151  *  o  undefined for the MPEG audio format.
152  */
153 
154 #define AFMT_QUERY	0x00000000	/* Return current format */
155 #define AFMT_MU_LAW	0x00000001	/* Logarithmic mu-law */
156 #define AFMT_A_LAW	0x00000002	/* Logarithmic A-law */
157 #define AFMT_IMA_ADPCM	0x00000004	/* A 4:1 compressed format where 16-bit
158 					 * squence represented using the
159 					 * the average 4 bits per sample */
160 #define AFMT_U8		0x00000008	/* Unsigned 8-bit */
161 #define AFMT_S16_LE	0x00000010	/* Little endian signed 16-bit */
162 #define AFMT_S16_BE	0x00000020	/* Big endian signed 16-bit */
163 #define AFMT_S8		0x00000040	/* Signed 8-bit */
164 #define AFMT_U16_LE	0x00000080	/* Little endian unsigned 16-bit */
165 #define AFMT_U16_BE	0x00000100	/* Big endian unsigned 16-bit */
166 #define AFMT_MPEG	0x00000200	/* MPEG MP2/MP3 audio */
167 #define AFMT_AC3	0x00000400	/* Dolby Digital AC3 */
168 
169 #if _BYTE_ORDER == _LITTLE_ENDIAN
170 #define AFMT_S16_NE	AFMT_S16_LE	/* native endian signed 16 */
171 #else
172 #define AFMT_S16_NE	AFMT_S16_BE
173 #endif
174 
175 /*
176  * 32-bit formats below used for 24-bit audio data where the data is stored
177  * in the 24 most significant bits and the least significant bits are not used
178  * (should be set to 0).
179  */
180 #define AFMT_S32_LE	0x00001000	/* Little endian signed 32-bit */
181 #define AFMT_S32_BE	0x00002000	/* Big endian signed 32-bit */
182 #define AFMT_U32_LE	0x00004000	/* Little endian unsigned 32-bit */
183 #define AFMT_U32_BE	0x00008000	/* Big endian unsigned 32-bit */
184 #define AFMT_S24_LE	0x00010000	/* Little endian signed 24-bit */
185 #define AFMT_S24_BE	0x00020000	/* Big endian signed 24-bit */
186 #define AFMT_U24_LE	0x00040000	/* Little endian unsigned 24-bit */
187 #define AFMT_U24_BE	0x00080000	/* Big endian unsigned 24-bit */
188 
189 #define AFMT_STEREO	0x10000000	/* can do/want stereo	*/
190 
191 /*
192  * the following are really capabilities
193  */
194 #define AFMT_WEIRD	0x20000000	/* weird hardware...	*/
195     /*
196      * AFMT_WEIRD reports that the hardware might need to operate
197      * with different formats in the playback and capture
198      * channels when operating in full duplex.
199      * As an example, SoundBlaster16 cards only support U8 in one
200      * direction and S16 in the other one, and applications should
201      * be aware of this limitation.
202      */
203 #define AFMT_FULLDUPLEX	0x80000000	/* can do full duplex	*/
204 
205 /*
206  * The following structure is used to get/set format and sampling rate.
207  * While it would be better to have things such as stereo, bits per
208  * sample, endiannes, etc split in different variables, it turns out
209  * that formats are not that many, and not all combinations are possible.
210  * So we followed the Voxware approach of associating one bit to each
211  * format.
212  */
213 
214 typedef struct _snd_chan_param {
215     u_long	play_rate;	/* sampling rate			*/
216     u_long	rec_rate;	/* sampling rate			*/
217     u_long	play_format;	/* everything describing the format	*/
218     u_long	rec_format;	/* everything describing the format	*/
219 } snd_chan_param;
220 #define	AIOGFMT    _IOR('f', 12, snd_chan_param)   /* get format */
221 #define	AIOSFMT    _IOWR('f', 12, snd_chan_param)  /* sets format */
222 
223 /*
224  * The following structure is used to get/set the mixer setting.
225  * Up to 32 mixers are supported, each one with up to 32 channels.
226  */
227 typedef struct _snd_mix_param {
228     u_char	subdev;	/* which output				*/
229     u_char	line;	/* which input				*/
230     u_char	left,right; /* volumes, 0..255, 0 = mute	*/
231 } snd_mix_param ;
232 
233 /* XXX AIOGMIX, AIOSMIX not implemented yet */
234 #define AIOGMIX	_IOWR('A', 13, snd_mix_param)	/* return mixer status */
235 #define AIOSMIX	_IOWR('A', 14, snd_mix_param)	/* sets mixer status   */
236 
237 /*
238  * channel specifiers used in AIOSTOP and AIOSYNC
239  */
240 #define	AIOSYNC_PLAY	0x1	/* play chan */
241 #define	AIOSYNC_CAPTURE	0x2	/* capture chan */
242 /* AIOSTOP stop & flush a channel, returns the residual count */
243 #define	AIOSTOP	_IOWR ('A', 15, int)
244 
245 /* alternate method used to notify the sync condition */
246 #define	AIOSYNC_SIGNAL	0x100
247 #define	AIOSYNC_SELECT	0x200
248 
249 /* what the 'pos' field refers to */
250 #define AIOSYNC_READY	0x400
251 #define AIOSYNC_FREE	0x800
252 
253 typedef struct _snd_sync_parm {
254     long chan ; /* play or capture channel, plus modifier */
255     long pos;
256 } snd_sync_parm;
257 #define	AIOSYNC	_IOWR ('A', 15, snd_sync_parm)	/* misc. synchronization */
258 
259 /*
260  * The following is used to return device capabilities. If the structure
261  * passed to the ioctl is zeroed, default values are returned for rate
262  * and formats, a bitmap of available mixers is returned, and values
263  * (inputs, different levels) for the first one are returned.
264  *
265  * If  formats, mixers, inputs are instantiated, then detailed info
266  * are returned depending on the call.
267  */
268 typedef struct _snd_capabilities {
269     u_long	rate_min, rate_max;	/* min-max sampling rate */
270     u_long	formats;
271     u_long	bufsize; /* DMA buffer size */
272     u_long	mixers; /* bitmap of available mixers */
273     u_long	inputs; /* bitmap of available inputs (per mixer) */
274     u_short	left, right;	/* how many levels are supported */
275 } snd_capabilities;
276 #define AIOGCAP	_IOWR('A', 15, snd_capabilities)	/* get capabilities */
277 
278 /*
279  * here is the old (Voxware) ioctl interface
280  */
281 
282 /*
283  * IOCTL Commands for /dev/sequencer
284  */
285 
286 #define SNDCTL_SEQ_RESET	_IO  ('Q', 0)
287 #define SNDCTL_SEQ_SYNC		_IO  ('Q', 1)
288 #define SNDCTL_SYNTH_INFO	_IOWR('Q', 2, struct synth_info)
289 #define SNDCTL_SEQ_CTRLRATE	_IOWR('Q', 3, int) /* Set/get timer res.(hz) */
290 #define SNDCTL_SEQ_GETOUTCOUNT	_IOR ('Q', 4, int)
291 #define SNDCTL_SEQ_GETINCOUNT	_IOR ('Q', 5, int)
292 #define SNDCTL_SEQ_PERCMODE	_IOW ('Q', 6, int)
293 #define SNDCTL_FM_LOAD_INSTR	_IOW ('Q', 7, struct sbi_instrument)	/* Valid for FM only */
294 #define SNDCTL_SEQ_TESTMIDI	_IOW ('Q', 8, int)
295 #define SNDCTL_SEQ_RESETSAMPLES	_IOW ('Q', 9, int)
296 #define SNDCTL_SEQ_NRSYNTHS	_IOR ('Q',10, int)
297 #define SNDCTL_SEQ_NRMIDIS	_IOR ('Q',11, int)
298 #define SNDCTL_MIDI_INFO	_IOWR('Q',12, struct midi_info)
299 #define SNDCTL_SEQ_THRESHOLD	_IOW ('Q',13, int)
300 #define SNDCTL_SEQ_TRESHOLD	SNDCTL_SEQ_THRESHOLD	/* there was once a typo */
301 #define SNDCTL_SYNTH_MEMAVL	_IOWR('Q',14, int) /* in=dev#, out=memsize */
302 #define SNDCTL_FM_4OP_ENABLE	_IOW ('Q',15, int) /* in=dev# */
303 #define SNDCTL_PMGR_ACCESS	_IOWR('Q',16, struct patmgr_info)
304 #define SNDCTL_SEQ_PANIC	_IO  ('Q',17)
305 #define SNDCTL_SEQ_OUTOFBAND	_IOW ('Q',18, struct seq_event_rec)
306 #define SNDCTL_SEQ_GETTIME	_IOR ('Q',19, int)
307 
308 struct seq_event_rec {
309 	u_char arr[8];
310 };
311 
312 #define SNDCTL_TMR_TIMEBASE	_IOWR('T', 1, int)
313 #define SNDCTL_TMR_START	_IO  ('T', 2)
314 #define SNDCTL_TMR_STOP		_IO  ('T', 3)
315 #define SNDCTL_TMR_CONTINUE	_IO  ('T', 4)
316 #define SNDCTL_TMR_TEMPO	_IOWR('T', 5, int)
317 #define SNDCTL_TMR_SOURCE	_IOWR('T', 6, int)
318 #   define TMR_INTERNAL		0x00000001
319 #   define TMR_EXTERNAL		0x00000002
320 #	define TMR_MODE_MIDI	0x00000010
321 #	define TMR_MODE_FSK	0x00000020
322 #	define TMR_MODE_CLS	0x00000040
323 #	define TMR_MODE_SMPTE	0x00000080
324 #define SNDCTL_TMR_METRONOME	_IOW ('T', 7, int)
325 #define SNDCTL_TMR_SELECT	_IOW ('T', 8, int)
326 
327 /*
328  *	Endian aware patch key generation algorithm.
329  */
330 
331 #if defined(_AIX) || defined(AIX)
332 #  define _PATCHKEY(id) (0xfd00|id)
333 #else
334 #  define _PATCHKEY(id) ((id<<8)|0xfd)
335 #endif
336 
337 /*
338  *	Sample loading mechanism for internal synthesizers (/dev/sequencer)
339  *	The following patch_info structure has been designed to support
340  *	Gravis UltraSound. It tries to be universal format for uploading
341  *	sample based patches but is probably too limited.
342  */
343 
344 struct patch_info {
345 /*		u_short key;		 Use GUS_PATCH here */
346 	short key;		 /* Use GUS_PATCH here */
347 #define GUS_PATCH	_PATCHKEY(0x04)
348 #define OBSOLETE_GUS_PATCH	_PATCHKEY(0x02)
349 
350 	short device_no;	/* Synthesizer number */
351 	short instr_no;		/* Midi pgm# */
352 
353 	u_long mode;
354 /*
355  * The least significant byte has the same format than the GUS .PAT
356  * files
357  */
358 #define WAVE_16_BITS	0x01	/* bit 0 = 8 or 16 bit wave data. */
359 #define WAVE_UNSIGNED	0x02	/* bit 1 = Signed - Unsigned data. */
360 #define WAVE_LOOPING	0x04	/* bit 2 = looping enabled-1. */
361 #define WAVE_BIDIR_LOOP	0x08	/* bit 3 = Set is bidirectional looping. */
362 #define WAVE_LOOP_BACK	0x10	/* bit 4 = Set is looping backward. */
363 #define WAVE_SUSTAIN_ON	0x20	/* bit 5 = Turn sustaining on. (Env. pts. 3)*/
364 #define WAVE_ENVELOPES	0x40	/* bit 6 = Enable envelopes - 1 */
365 				/* 	(use the env_rate/env_offs fields). */
366 /* Linux specific bits */
367 #define WAVE_VIBRATO	0x00010000	/* The vibrato info is valid */
368 #define WAVE_TREMOLO	0x00020000	/* The tremolo info is valid */
369 #define WAVE_SCALE	0x00040000	/* The scaling info is valid */
370 /* Other bits must be zeroed */
371 
372 	long len;	/* Size of the wave data in bytes */
373 	long loop_start, loop_end; /* Byte offsets from the beginning */
374 
375 /*
376  * The base_freq and base_note fields are used when computing the
377  * playback speed for a note. The base_note defines the tone frequency
378  * which is heard if the sample is played using the base_freq as the
379  * playback speed.
380  *
381  * The low_note and high_note fields define the minimum and maximum note
382  * frequencies for which this sample is valid. It is possible to define
383  * more than one samples for an instrument number at the same time. The
384  * low_note and high_note fields are used to select the most suitable one.
385  *
386  * The fields base_note, high_note and low_note should contain
387  * the note frequency multiplied by 1000. For example value for the
388  * middle A is 440*1000.
389  */
390 
391 	u_int base_freq;
392 	u_long base_note;
393 	u_long high_note;
394 	u_long low_note;
395 	int panning;	/* -128=left, 127=right */
396 	int detuning;
397 
398 /*	New fields introduced in version 1.99.5	*/
399 
400        /* Envelope. Enabled by mode bit WAVE_ENVELOPES	*/
401 	u_char	env_rate[ 6 ];	 /* GUS HW ramping rate */
402 	u_char	env_offset[ 6 ]; /* 255 == 100% */
403 
404 	/*
405 	 * The tremolo, vibrato and scale info are not supported yet.
406 	 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
407 	 * WAVE_SCALE
408 	 */
409 
410 	u_char	tremolo_sweep;
411 	u_char	tremolo_rate;
412 	u_char	tremolo_depth;
413 
414 	u_char	vibrato_sweep;
415 	u_char	vibrato_rate;
416 	u_char	vibrato_depth;
417 
418 	int		scale_frequency;
419 	u_int	scale_factor;		/* from 0 to 2048 or 0 to 2 */
420 
421 	int		volume;
422 	int		spare[4];
423 	char data[1];	/* The waveform data starts here */
424 };
425 
426 struct sysex_info {
427 	short key;		/* Use GUS_PATCH here */
428 #define SYSEX_PATCH	_PATCHKEY(0x05)
429 #define MAUI_PATCH	_PATCHKEY(0x06)
430 	short device_no;	/* Synthesizer number */
431 	long len;	/* Size of the sysex data in bytes */
432 	u_char data[1];	/* Sysex data starts here */
433 };
434 
435 /*
436  * Patch management interface (/dev/sequencer, /dev/patmgr#)
437  * Don't use these calls if you want to maintain compatibility with
438  * the future versions of the driver.
439  */
440 
441 #define PS_NO_PATCHES		0	/* No patch support on device */
442 #define	PS_MGR_NOT_OK		1	/* Plain patch support (no mgr) */
443 #define	PS_MGR_OK		2	/* Patch manager supported */
444 #define	PS_MANAGED		3	/* Patch manager running */
445 
446 #define SNDCTL_PMGR_IFACE		_IOWR('P', 1, struct patmgr_info)
447 
448 /*
449  * The patmgr_info is a fixed size structure which is used for two
450  * different purposes. The intended use is for communication between
451  * the application using /dev/sequencer and the patch manager daemon
452  * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)).
453  *
454  * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows
455  * a patch manager daemon to read and write device parameters. This
456  * ioctl available through /dev/sequencer also. Avoid using it since it's
457  * extremely hardware dependent. In addition access trough /dev/sequencer
458  * may confuse the patch manager daemon.
459  */
460 
461 struct patmgr_info {	/* Note! size must be < 4k since kmalloc() is used */
462 	  u_long key;	/* Don't worry. Reserved for communication
463 	  			   between the patch manager and the driver. */
464 #define PM_K_EVENT		1 /* Event from the /dev/sequencer driver */
465 #define PM_K_COMMAND		2 /* Request from an application */
466 #define PM_K_RESPONSE		3 /* From patmgr to application */
467 #define PM_ERROR		4 /* Error returned by the patmgr */
468 	  int device;
469 	  int command;
470 
471 /*
472  * Commands 0x000 to 0xfff reserved for patch manager programs
473  */
474 #define PM_GET_DEVTYPE	1	/* Returns type of the patch mgr interface of dev */
475 #define		PMTYPE_FM2	1	/* 2 OP fm */
476 #define		PMTYPE_FM4	2	/* Mixed 4 or 2 op FM (OPL-3) */
477 #define		PMTYPE_WAVE	3	/* Wave table synthesizer (GUS) */
478 #define PM_GET_NRPGM	2	/* Returns max # of midi programs in parm1 */
479 #define PM_GET_PGMMAP	3	/* Returns map of loaded midi programs in data8 */
480 #define PM_GET_PGM_PATCHES 4	/* Return list of patches of a program (parm1) */
481 #define PM_GET_PATCH	5	/* Return patch header of patch parm1 */
482 #define PM_SET_PATCH	6	/* Set patch header of patch parm1 */
483 #define PM_READ_PATCH	7	/* Read patch (wave) data */
484 #define PM_WRITE_PATCH	8	/* Write patch (wave) data */
485 
486 /*
487  * Commands 0x1000 to 0xffff are for communication between the patch manager
488  * and the client
489  */
490 #define _PM_LOAD_PATCH	0x100
491 
492 /*
493  * Commands above 0xffff reserved for device specific use
494  */
495 
496 	long parm1;
497 	long parm2;
498 	long parm3;
499 
500 	union {
501 		u_char data8[4000];
502 		u_short data16[2000];
503 		u_long data32[1000];
504 		struct patch_info patch;
505 	} data;
506 };
507 
508 /*
509  * When a patch manager daemon is present, it will be informed by the
510  * driver when something important happens. For example when the
511  * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is
512  * returned. The command field contains the event type:
513  */
514 #define PM_E_OPENED		1	/* /dev/sequencer opened */
515 #define PM_E_CLOSED		2	/* /dev/sequencer closed */
516 #define PM_E_PATCH_RESET	3	/* SNDCTL_RESETSAMPLES called */
517 #define PM_E_PATCH_LOADED	4	/* A patch has been loaded by appl */
518 
519 /*
520  * /dev/sequencer input events.
521  *
522  * The data written to the /dev/sequencer is a stream of events. Events
523  * are records of 4 or 8 bytes. The first byte defines the size.
524  * Any number of events can be written with a write call. There
525  * is a set of macros for sending these events. Use these macros if you
526  * want to maximize portability of your program.
527  *
528  * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
529  * (All input events are currently 4 bytes long. Be prepared to support
530  * 8 byte events also. If you receive any event having first byte >= 128,
531  * it's a 8 byte event.
532  *
533  * The events are documented at the end of this file.
534  *
535  * Normal events (4 bytes)
536  * There is also a 8 byte version of most of the 4 byte events. The
537  * 8 byte one is recommended.
538  */
539 #define SEQ_NOTEOFF		0
540 #define SEQ_FMNOTEOFF		SEQ_NOTEOFF	/* Just old name */
541 #define SEQ_NOTEON		1
542 #define	SEQ_FMNOTEON		SEQ_NOTEON
543 #define SEQ_WAIT		TMR_WAIT_ABS
544 #define SEQ_PGMCHANGE		3
545 #define SEQ_FMPGMCHANGE		SEQ_PGMCHANGE
546 #define SEQ_SYNCTIMER		TMR_START
547 #define SEQ_MIDIPUTC		5
548 #define SEQ_DRUMON		6	/*** OBSOLETE ***/
549 #define SEQ_DRUMOFF		7	/*** OBSOLETE ***/
550 #define SEQ_ECHO		TMR_ECHO	/* For synching programs with output */
551 #define SEQ_AFTERTOUCH		9
552 #define SEQ_CONTROLLER		10
553 
554 /*
555  *	Midi controller numbers
556  *
557  * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f)
558  * are continuous controllers.
559  * In the MIDI 1.0 these controllers are sent using two messages.
560  * Controller numbers 0 to 31 are used to send the MSB and the
561  * controller numbers 32 to 63 are for the LSB. Note that just 7 bits
562  * are used in MIDI bytes.
563  */
564 
565 #define	CTL_BANK_SELECT		0x00
566 #define	CTL_MODWHEEL		0x01
567 #define CTL_BREATH		0x02
568 /*	undefined		0x03 */
569 #define CTL_FOOT		0x04
570 #define CTL_PORTAMENTO_TIME	0x05
571 #define CTL_DATA_ENTRY		0x06
572 #define CTL_MAIN_VOLUME		0x07
573 #define CTL_BALANCE		0x08
574 /*	undefined		0x09 */
575 #define CTL_PAN			0x0a
576 #define CTL_EXPRESSION		0x0b
577 /*	undefined		0x0c - 0x0f */
578 #define CTL_GENERAL_PURPOSE1	0x10
579 #define CTL_GENERAL_PURPOSE2	0x11
580 #define CTL_GENERAL_PURPOSE3	0x12
581 #define CTL_GENERAL_PURPOSE4	0x13
582 /*	undefined		0x14 - 0x1f */
583 
584 /*	undefined		0x20 */
585 
586 /*
587  * The controller numbers 0x21 to 0x3f are reserved for the
588  * least significant bytes of the controllers 0x00 to 0x1f.
589  * These controllers are not recognised by the driver.
590  *
591  * Controllers 64 to 69 (0x40 to 0x45) are on/off switches.
592  * 0=OFF and 127=ON (intermediate values are possible)
593  */
594 #define CTL_DAMPER_PEDAL	0x40
595 #define CTL_SUSTAIN		CTL_DAMPER_PEDAL	/* Alias */
596 #define CTL_HOLD		CTL_DAMPER_PEDAL	/* Alias */
597 #define CTL_PORTAMENTO		0x41
598 #define CTL_SOSTENUTO		0x42
599 #define CTL_SOFT_PEDAL		0x43
600 /*	undefined		0x44 */
601 #define CTL_HOLD2		0x45
602 /*	undefined		0x46 - 0x4f */
603 
604 #define CTL_GENERAL_PURPOSE5	0x50
605 #define CTL_GENERAL_PURPOSE6	0x51
606 #define CTL_GENERAL_PURPOSE7	0x52
607 #define CTL_GENERAL_PURPOSE8	0x53
608 /*	undefined		0x54 - 0x5a */
609 #define CTL_EXT_EFF_DEPTH	0x5b
610 #define CTL_TREMOLO_DEPTH	0x5c
611 #define CTL_CHORUS_DEPTH	0x5d
612 #define CTL_DETUNE_DEPTH	0x5e
613 #define CTL_CELESTE_DEPTH	CTL_DETUNE_DEPTH /* Alias for the above one */
614 #define CTL_PHASER_DEPTH	0x5f
615 #define CTL_DATA_INCREMENT	0x60
616 #define CTL_DATA_DECREMENT	0x61
617 #define CTL_NONREG_PARM_NUM_LSB	0x62
618 #define CTL_NONREG_PARM_NUM_MSB	0x63
619 #define CTL_REGIST_PARM_NUM_LSB	0x64
620 #define CTL_REGIST_PARM_NUM_MSB	0x65
621 /*	undefined		0x66 - 0x78 */
622 /*	reserved		0x79 - 0x7f */
623 
624 /* Pseudo controllers (not midi compatible) */
625 #define CTRL_PITCH_BENDER	255
626 #define CTRL_PITCH_BENDER_RANGE	254
627 #define CTRL_EXPRESSION		253	/* Obsolete */
628 #define CTRL_MAIN_VOLUME	252	/* Obsolete */
629 
630 #define SEQ_BALANCE		11
631 #define SEQ_VOLMODE             12
632 
633 /*
634  * Volume mode decides how volumes are used
635  */
636 
637 #define VOL_METHOD_ADAGIO	1
638 #define VOL_METHOD_LINEAR	2
639 
640 /*
641  * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
642  *	 input events.
643  */
644 
645 /*
646  * Event codes 0xf0 to 0xfc are reserved for future extensions.
647  */
648 
649 #define SEQ_FULLSIZE		0xfd	/* Long events */
650 /*
651  * SEQ_FULLSIZE events are used for loading patches/samples to the
652  * synthesizer devices. These events are passed directly to the driver
653  * of the associated synthesizer device. There is no limit to the size
654  * of the extended events. These events are not queued but executed
655  * immediately when the write() is called (execution can take several
656  * seconds of time).
657  *
658  * When a SEQ_FULLSIZE message is written to the device, it must
659  * be written using exactly one write() call. Other events cannot
660  * be mixed to the same write.
661  *
662  * For FM synths (YM3812/OPL3) use struct sbi_instrument and write
663  * it to the /dev/sequencer. Don't write other data together with
664  * the instrument structure Set the key field of the structure to
665  * FM_PATCH. The device field is used to route the patch to the
666  * corresponding device.
667  *
668  * For Gravis UltraSound use struct patch_info. Initialize the key field
669  * to GUS_PATCH.
670  */
671 #define SEQ_PRIVATE	0xfe	/* Low level HW dependent events (8 bytes) */
672 #define SEQ_EXTENDED	0xff	/* Extended events (8 bytes) OBSOLETE */
673 
674 /*
675  * Record for FM patches
676  */
677 
678 typedef u_char sbi_instr_data[32];
679 
680 struct sbi_instrument {
681 	u_short	key;	/* FM_PATCH or OPL3_PATCH */
682 #define FM_PATCH	_PATCHKEY(0x01)
683 #define OPL3_PATCH	_PATCHKEY(0x03)
684 	short		device;		/* Synth# (0-4)	*/
685 	int 		channel;	/* Program# to be initialized  */
686 	sbi_instr_data	operators;	/* Reg. settings for operator cells
687 					 * (.SBI format)	*/
688 };
689 
690 struct synth_info {	/* Read only */
691 	char	name[30];
692 	int	device;		/* 0-N. INITIALIZE BEFORE CALLING */
693 	int	synth_type;
694 #define SYNTH_TYPE_FM			0
695 #define SYNTH_TYPE_SAMPLE		1
696 #define SYNTH_TYPE_MIDI			2	/* Midi interface */
697 
698 	int	synth_subtype;
699 #define FM_TYPE_ADLIB			0x00
700 #define FM_TYPE_OPL3			0x01
701 #define MIDI_TYPE_MPU401		0x401
702 
703 #define SAMPLE_TYPE_BASIC		0x10
704 #define SAMPLE_TYPE_GUS			SAMPLE_TYPE_BASIC
705 #define SAMPLE_TYPE_AWE32		0x20
706 
707 	int	perc_mode;	/* No longer supported */
708 	int	nr_voices;
709 	int	nr_drums;	/* Obsolete field */
710 	int	instr_bank_size;
711 	u_long	capabilities;
712 #define SYNTH_CAP_PERCMODE	0x00000001 /* No longer used */
713 #define SYNTH_CAP_OPL3		0x00000002 /* Set if OPL3 supported */
714 #define SYNTH_CAP_INPUT		0x00000004 /* Input (MIDI) device */
715 	int	dummies[19];	/* Reserve space */
716 };
717 
718 struct sound_timer_info {
719 	char name[32];
720 	int caps;
721 };
722 
723 #define MIDI_CAP_MPU401		1		/* MPU-401 intelligent mode */
724 
725 struct midi_info {
726 	char		name[30];
727 	int		device;		/* 0-N. INITIALIZE BEFORE CALLING */
728 	u_long	capabilities;	/* To be defined later */
729 	int		dev_type;
730 	int		dummies[18];	/* Reserve space */
731 };
732 
733 /*
734  * ioctl commands for the /dev/midi##
735  */
736 typedef struct {
737 	u_char cmd;
738 	char nr_args, nr_returns;
739 	u_char data[30];
740 } mpu_command_rec;
741 
742 #define SNDCTL_MIDI_PRETIME	_IOWR('m', 0, int)
743 #define SNDCTL_MIDI_MPUMODE	_IOWR('m', 1, int)
744 #define SNDCTL_MIDI_MPUCMD	_IOWR('m', 2, mpu_command_rec)
745 #define MIOSPASSTHRU		_IOWR('m', 3, int)
746 #define MIOGPASSTHRU		_IOWR('m', 4, int)
747 
748 /*
749  * IOCTL commands for /dev/dsp and /dev/audio
750  */
751 
752 #define SNDCTL_DSP_RESET	_IO  ('P', 0)
753 #define SNDCTL_DSP_SYNC		_IO  ('P', 1)
754 #define SNDCTL_DSP_SPEED	_IOWR('P', 2, int)
755 #define SNDCTL_DSP_STEREO	_IOWR('P', 3, int)
756 #define SNDCTL_DSP_GETBLKSIZE	_IOR('P', 4, int)
757 #define SNDCTL_DSP_SETBLKSIZE   _IOW('P', 4, int)
758 #define SNDCTL_DSP_SETFMT	_IOWR('P',5, int) /* Selects ONE fmt*/
759 
760 /*
761  * SOUND_PCM_WRITE_CHANNELS is not that different
762  * from SNDCTL_DSP_STEREO
763  */
764 #define SOUND_PCM_WRITE_CHANNELS	_IOWR('P', 6, int)
765 #define SNDCTL_DSP_CHANNELS	SOUND_PCM_WRITE_CHANNELS
766 #define SOUND_PCM_WRITE_FILTER	_IOWR('P', 7, int)
767 #define SNDCTL_DSP_POST		_IO  ('P', 8)
768 
769 /*
770  * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do
771  * the same thing, i.e. set the block size used in DMA transfers.
772  */
773 #define SNDCTL_DSP_SUBDIVIDE	_IOWR('P', 9, int)
774 #define SNDCTL_DSP_SETFRAGMENT	_IOWR('P',10, int)
775 
776 
777 #define SNDCTL_DSP_GETFMTS	_IOR ('P',11, int) /* Returns a mask */
778 /*
779  * Buffer status queries.
780  */
781 typedef struct audio_buf_info {
782     int fragments;	/* # of avail. frags (partly used ones not counted) */
783     int fragstotal;	/* Total # of fragments allocated */
784     int fragsize;	/* Size of a fragment in bytes */
785 
786     int bytes;	/* Avail. space in bytes (includes partly used fragments) */
787 		/* Note! 'bytes' could be more than fragments*fragsize */
788 } audio_buf_info;
789 
790 #define SNDCTL_DSP_GETOSPACE	_IOR ('P',12, audio_buf_info)
791 #define SNDCTL_DSP_GETISPACE	_IOR ('P',13, audio_buf_info)
792 
793 /*
794  * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the
795  * action cannot be undone) of FIONBIO. The same can be achieved
796  * by opening the device with O_NDELAY
797  */
798 #define SNDCTL_DSP_NONBLOCK	_IO  ('P',14)
799 
800 #define SNDCTL_DSP_GETCAPS	_IOR ('P',15, int)
801 #define DSP_CAP_REVISION	0x000000ff /* revision level (0 to 255) */
802 #define DSP_CAP_DUPLEX		0x00000100 /* Full duplex record/playback */
803 #define DSP_CAP_REALTIME	0x00000200 /* Real time capability */
804 #define DSP_CAP_BATCH		0x00000400
805     /*
806      * Device has some kind of internal buffers which may
807      * cause some delays and decrease precision of timing
808      */
809 #define DSP_CAP_COPROC		0x00000800
810     /* Has a coprocessor, sometimes it's a DSP but usually not */
811 #define DSP_CAP_TRIGGER		0x00001000 /* Supports SETTRIGGER */
812 #define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */
813 
814 /*
815  * What do these function do ?
816  */
817 #define SNDCTL_DSP_GETTRIGGER	_IOR ('P',16, int)
818 #define SNDCTL_DSP_SETTRIGGER	_IOW ('P',16, int)
819 #define PCM_ENABLE_INPUT	0x00000001
820 #define PCM_ENABLE_OUTPUT	0x00000002
821 
822 typedef struct count_info {
823 	int bytes;	/* Total # of bytes processed */
824 	int blocks;	/* # of fragment transitions since last time */
825 	int ptr;	/* Current DMA pointer value */
826 } count_info;
827 
828 /*
829  * GETIPTR and GETISPACE are not that different... same for out.
830  */
831 #define SNDCTL_DSP_GETIPTR	_IOR ('P',17, count_info)
832 #define SNDCTL_DSP_GETOPTR	_IOR ('P',18, count_info)
833 
834 typedef struct buffmem_desc {
835 	caddr_t buffer;
836 	int size;
837 } buffmem_desc;
838 
839 #define SNDCTL_DSP_MAPINBUF	_IOR ('P', 19, buffmem_desc)
840 #define SNDCTL_DSP_MAPOUTBUF	_IOR ('P', 20, buffmem_desc)
841 #define SNDCTL_DSP_SETSYNCRO	_IO  ('P', 21)
842 #define SNDCTL_DSP_SETDUPLEX	_IO  ('P', 22)
843 #define SNDCTL_DSP_GETODELAY	_IOR ('P', 23, int)
844 
845 /*
846  * I guess these are the readonly version of the same
847  * functions that exist above as SNDCTL_DSP_...
848  */
849 #define SOUND_PCM_READ_RATE	_IOR ('P', 2, int)
850 #define SOUND_PCM_READ_CHANNELS	_IOR ('P', 6, int)
851 #define SOUND_PCM_READ_BITS	_IOR ('P', 5, int)
852 #define SOUND_PCM_READ_FILTER	_IOR ('P', 7, int)
853 
854 /*
855  * ioctl calls to be used in communication with coprocessors and
856  * DSP chips.
857  */
858 
859 typedef struct copr_buffer {
860 	int command;	/* Set to 0 if not used */
861 	int flags;
862 #define CPF_NONE		0x0000
863 #define CPF_FIRST		0x0001	/* First block */
864 #define CPF_LAST		0x0002	/* Last block */
865 	int len;
866 	int offs;	/* If required by the device (0 if not used) */
867 
868 	u_char data[4000]; /* NOTE! 4000 is not 4k */
869 } copr_buffer;
870 
871 typedef struct copr_debug_buf {
872 	int command;	/* Used internally. Set to 0 */
873 	int parm1;
874 	int parm2;
875 	int flags;
876 	int len;	/* Length of data in bytes */
877 } copr_debug_buf;
878 
879 typedef struct copr_msg {
880 	int len;
881 	u_char data[4000];
882 } copr_msg;
883 
884 #define SNDCTL_COPR_RESET       _IO  ('C',  0)
885 #define SNDCTL_COPR_LOAD	_IOWR('C',  1, copr_buffer)
886 #define SNDCTL_COPR_RDATA	_IOWR('C',  2, copr_debug_buf)
887 #define SNDCTL_COPR_RCODE	_IOWR('C',  3, copr_debug_buf)
888 #define SNDCTL_COPR_WDATA	_IOW ('C',  4, copr_debug_buf)
889 #define SNDCTL_COPR_WCODE	_IOW ('C',  5, copr_debug_buf)
890 #define SNDCTL_COPR_RUN		_IOWR('C',  6, copr_debug_buf)
891 #define SNDCTL_COPR_HALT	_IOWR('C',  7, copr_debug_buf)
892 #define SNDCTL_COPR_SENDMSG	_IOW ('C',  8, copr_msg)
893 #define SNDCTL_COPR_RCVMSG	_IOR ('C',  9, copr_msg)
894 
895 /*
896  * IOCTL commands for /dev/mixer
897  */
898 
899 /*
900  * Mixer devices
901  *
902  * There can be up to 20 different analog mixer channels. The
903  * SOUND_MIXER_NRDEVICES gives the currently supported maximum.
904  * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
905  * the devices supported by the particular mixer.
906  */
907 
908 #define SOUND_MIXER_NRDEVICES	25
909 #define SOUND_MIXER_VOLUME	0	/* Master output level */
910 #define SOUND_MIXER_BASS	1	/* Treble level of all output channels */
911 #define SOUND_MIXER_TREBLE	2	/* Bass level of all output channels */
912 #define SOUND_MIXER_SYNTH	3	/* Volume of synthesier input */
913 #define SOUND_MIXER_PCM		4	/* Output level for the audio device */
914 #define SOUND_MIXER_SPEAKER	5	/* Output level for the PC speaker
915 					 * signals */
916 #define SOUND_MIXER_LINE	6	/* Volume level for the line in jack */
917 #define SOUND_MIXER_MIC		7	/* Volume for the signal coming from
918 					 * the microphone jack */
919 #define SOUND_MIXER_CD		8	/* Volume level for the input signal
920 					 * connected to the CD audio input */
921 #define SOUND_MIXER_IMIX	9	/* Recording monitor. It controls the
922 					 * output volume of the selected
923 					 * recording sources while recording */
924 #define SOUND_MIXER_ALTPCM	10	/* Volume of the alternative codec
925 					 * device */
926 #define SOUND_MIXER_RECLEV	11	/* Global recording level */
927 #define SOUND_MIXER_IGAIN	12	/* Input gain */
928 #define SOUND_MIXER_OGAIN	13	/* Output gain */
929 /*
930  * The AD1848 codec and compatibles have three line level inputs
931  * (line, aux1 and aux2). Since each card manufacturer have assigned
932  * different meanings to these inputs, it's inpractical to assign
933  * specific meanings (line, cd, synth etc.) to them.
934  */
935 #define SOUND_MIXER_LINE1	14	/* Input source 1  (aux1) */
936 #define SOUND_MIXER_LINE2	15	/* Input source 2  (aux2) */
937 #define SOUND_MIXER_LINE3	16	/* Input source 3  (line) */
938 #define SOUND_MIXER_DIGITAL1    17      /* Digital (input) 1 */
939 #define SOUND_MIXER_DIGITAL2    18      /* Digital (input) 2 */
940 #define SOUND_MIXER_DIGITAL3    19      /* Digital (input) 3 */
941 #define SOUND_MIXER_PHONEIN     20      /* Phone input */
942 #define SOUND_MIXER_PHONEOUT    21      /* Phone output */
943 #define SOUND_MIXER_VIDEO       22      /* Video/TV (audio) in */
944 #define SOUND_MIXER_RADIO       23      /* Radio in */
945 #define SOUND_MIXER_MONITOR     24      /* Monitor (usually mic) volume */
946 
947 
948 /*
949  * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX)
950  * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space
951  */
952 #define SOUND_ONOFF_MIN		28
953 #define SOUND_ONOFF_MAX		30
954 #define SOUND_MIXER_MUTE	28	/* 0 or 1 */
955 #define SOUND_MIXER_ENHANCE	29	/* Enhanced stereo (0, 40, 60 or 80) */
956 #define SOUND_MIXER_LOUD	30	/* 0 or 1 */
957 
958 /* Note!	Number 31 cannot be used since the sign bit is reserved */
959 #define SOUND_MIXER_NONE        31
960 
961 #define SOUND_DEVICE_LABELS	{ \
962 	"Vol  ", "Bass ", "Trebl", "Synth", "Pcm  ", "Spkr ", "Line ", \
963 	"Mic  ", "CD   ", "Mix  ", "Pcm2 ", "Rec  ", "IGain", "OGain", \
964 	"Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
965 	"PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
966 
967 #define SOUND_DEVICE_NAMES	{ \
968 	"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
969 	"mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
970 	"line1", "line2", "line3", "dig1", "dig2", "dig3", \
971 	"phin", "phout", "video", "radio", "monitor"}
972 
973 /*	Device bitmask identifiers	*/
974 
975 #define SOUND_MIXER_RECSRC	0xff	/* 1 bit per recording source */
976 #define SOUND_MIXER_DEVMASK	0xfe	/* 1 bit per supported device */
977 #define SOUND_MIXER_RECMASK	0xfd	/* 1 bit per supp. recording source */
978 #define SOUND_MIXER_CAPS	0xfc
979 #define SOUND_CAP_EXCL_INPUT	0x00000001	/* Only 1 rec. src at a time */
980 #define SOUND_MIXER_STEREODEVS	0xfb	/* Mixer channels supporting stereo */
981 
982 /*	Device mask bits	*/
983 
984 #define SOUND_MASK_VOLUME	(1 << SOUND_MIXER_VOLUME)
985 #define SOUND_MASK_BASS		(1 << SOUND_MIXER_BASS)
986 #define SOUND_MASK_TREBLE	(1 << SOUND_MIXER_TREBLE)
987 #define SOUND_MASK_SYNTH	(1 << SOUND_MIXER_SYNTH)
988 #define SOUND_MASK_PCM		(1 << SOUND_MIXER_PCM)
989 #define SOUND_MASK_SPEAKER	(1 << SOUND_MIXER_SPEAKER)
990 #define SOUND_MASK_LINE		(1 << SOUND_MIXER_LINE)
991 #define SOUND_MASK_MIC		(1 << SOUND_MIXER_MIC)
992 #define SOUND_MASK_CD		(1 << SOUND_MIXER_CD)
993 #define SOUND_MASK_IMIX		(1 << SOUND_MIXER_IMIX)
994 #define SOUND_MASK_ALTPCM	(1 << SOUND_MIXER_ALTPCM)
995 #define SOUND_MASK_RECLEV	(1 << SOUND_MIXER_RECLEV)
996 #define SOUND_MASK_IGAIN	(1 << SOUND_MIXER_IGAIN)
997 #define SOUND_MASK_OGAIN	(1 << SOUND_MIXER_OGAIN)
998 #define SOUND_MASK_LINE1	(1 << SOUND_MIXER_LINE1)
999 #define SOUND_MASK_LINE2	(1 << SOUND_MIXER_LINE2)
1000 #define SOUND_MASK_LINE3	(1 << SOUND_MIXER_LINE3)
1001 #define SOUND_MASK_DIGITAL1     (1 << SOUND_MIXER_DIGITAL1)
1002 #define SOUND_MASK_DIGITAL2     (1 << SOUND_MIXER_DIGITAL2)
1003 #define SOUND_MASK_DIGITAL3     (1 << SOUND_MIXER_DIGITAL3)
1004 #define SOUND_MASK_PHONEIN      (1 << SOUND_MIXER_PHONEIN)
1005 #define SOUND_MASK_PHONEOUT     (1 << SOUND_MIXER_PHONEOUT)
1006 #define SOUND_MASK_RADIO        (1 << SOUND_MIXER_RADIO)
1007 #define SOUND_MASK_VIDEO        (1 << SOUND_MIXER_VIDEO)
1008 #define SOUND_MASK_MONITOR      (1 << SOUND_MIXER_MONITOR)
1009 
1010 /* Obsolete macros */
1011 #define SOUND_MASK_MUTE		(1 << SOUND_MIXER_MUTE)
1012 #define SOUND_MASK_ENHANCE	(1 << SOUND_MIXER_ENHANCE)
1013 #define SOUND_MASK_LOUD		(1 << SOUND_MIXER_LOUD)
1014 
1015 #define MIXER_READ(dev)		_IOR('M', dev, int)
1016 #define SOUND_MIXER_READ_VOLUME		MIXER_READ(SOUND_MIXER_VOLUME)
1017 #define SOUND_MIXER_READ_BASS		MIXER_READ(SOUND_MIXER_BASS)
1018 #define SOUND_MIXER_READ_TREBLE		MIXER_READ(SOUND_MIXER_TREBLE)
1019 #define SOUND_MIXER_READ_SYNTH		MIXER_READ(SOUND_MIXER_SYNTH)
1020 #define SOUND_MIXER_READ_PCM		MIXER_READ(SOUND_MIXER_PCM)
1021 #define SOUND_MIXER_READ_SPEAKER	MIXER_READ(SOUND_MIXER_SPEAKER)
1022 #define SOUND_MIXER_READ_LINE		MIXER_READ(SOUND_MIXER_LINE)
1023 #define SOUND_MIXER_READ_MIC		MIXER_READ(SOUND_MIXER_MIC)
1024 #define SOUND_MIXER_READ_CD		MIXER_READ(SOUND_MIXER_CD)
1025 #define SOUND_MIXER_READ_IMIX		MIXER_READ(SOUND_MIXER_IMIX)
1026 #define SOUND_MIXER_READ_ALTPCM		MIXER_READ(SOUND_MIXER_ALTPCM)
1027 #define SOUND_MIXER_READ_RECLEV		MIXER_READ(SOUND_MIXER_RECLEV)
1028 #define SOUND_MIXER_READ_IGAIN		MIXER_READ(SOUND_MIXER_IGAIN)
1029 #define SOUND_MIXER_READ_OGAIN		MIXER_READ(SOUND_MIXER_OGAIN)
1030 #define SOUND_MIXER_READ_LINE1		MIXER_READ(SOUND_MIXER_LINE1)
1031 #define SOUND_MIXER_READ_LINE2		MIXER_READ(SOUND_MIXER_LINE2)
1032 #define SOUND_MIXER_READ_LINE3		MIXER_READ(SOUND_MIXER_LINE3)
1033 #define SOUND_MIXER_READ_DIGITAL1	MIXER_READ(SOUND_MIXER_DIGITAL1)
1034 #define SOUND_MIXER_READ_DIGITAL2	MIXER_READ(SOUND_MIXER_DIGITAL2)
1035 #define SOUND_MIXER_READ_DIGITAL3	MIXER_READ(SOUND_MIXER_DIGITAL3)
1036 #define SOUND_MIXER_READ_PHONEIN      	MIXER_READ(SOUND_MIXER_PHONEIN)
1037 #define SOUND_MIXER_READ_PHONEOUT	MIXER_READ(SOUND_MIXER_PHONEOUT)
1038 #define SOUND_MIXER_READ_RADIO		MIXER_READ(SOUND_MIXER_RADIO)
1039 #define SOUND_MIXER_READ_VIDEO		MIXER_READ(SOUND_MIXER_VIDEO)
1040 #define SOUND_MIXER_READ_MONITOR	MIXER_READ(SOUND_MIXER_MONITOR)
1041 
1042 /* Obsolete macros */
1043 #define SOUND_MIXER_READ_MUTE		MIXER_READ(SOUND_MIXER_MUTE)
1044 #define SOUND_MIXER_READ_ENHANCE	MIXER_READ(SOUND_MIXER_ENHANCE)
1045 #define SOUND_MIXER_READ_LOUD		MIXER_READ(SOUND_MIXER_LOUD)
1046 
1047 #define SOUND_MIXER_READ_RECSRC		MIXER_READ(SOUND_MIXER_RECSRC)
1048 #define SOUND_MIXER_READ_DEVMASK	MIXER_READ(SOUND_MIXER_DEVMASK)
1049 #define SOUND_MIXER_READ_RECMASK	MIXER_READ(SOUND_MIXER_RECMASK)
1050 #define SOUND_MIXER_READ_STEREODEVS	MIXER_READ(SOUND_MIXER_STEREODEVS)
1051 #define SOUND_MIXER_READ_CAPS		MIXER_READ(SOUND_MIXER_CAPS)
1052 
1053 #define MIXER_WRITE(dev)		_IOWR('M', dev, int)
1054 #define SOUND_MIXER_WRITE_VOLUME	MIXER_WRITE(SOUND_MIXER_VOLUME)
1055 #define SOUND_MIXER_WRITE_BASS		MIXER_WRITE(SOUND_MIXER_BASS)
1056 #define SOUND_MIXER_WRITE_TREBLE	MIXER_WRITE(SOUND_MIXER_TREBLE)
1057 #define SOUND_MIXER_WRITE_SYNTH		MIXER_WRITE(SOUND_MIXER_SYNTH)
1058 #define SOUND_MIXER_WRITE_PCM		MIXER_WRITE(SOUND_MIXER_PCM)
1059 #define SOUND_MIXER_WRITE_SPEAKER	MIXER_WRITE(SOUND_MIXER_SPEAKER)
1060 #define SOUND_MIXER_WRITE_LINE		MIXER_WRITE(SOUND_MIXER_LINE)
1061 #define SOUND_MIXER_WRITE_MIC		MIXER_WRITE(SOUND_MIXER_MIC)
1062 #define SOUND_MIXER_WRITE_CD		MIXER_WRITE(SOUND_MIXER_CD)
1063 #define SOUND_MIXER_WRITE_IMIX		MIXER_WRITE(SOUND_MIXER_IMIX)
1064 #define SOUND_MIXER_WRITE_ALTPCM	MIXER_WRITE(SOUND_MIXER_ALTPCM)
1065 #define SOUND_MIXER_WRITE_RECLEV	MIXER_WRITE(SOUND_MIXER_RECLEV)
1066 #define SOUND_MIXER_WRITE_IGAIN		MIXER_WRITE(SOUND_MIXER_IGAIN)
1067 #define SOUND_MIXER_WRITE_OGAIN		MIXER_WRITE(SOUND_MIXER_OGAIN)
1068 #define SOUND_MIXER_WRITE_LINE1		MIXER_WRITE(SOUND_MIXER_LINE1)
1069 #define SOUND_MIXER_WRITE_LINE2		MIXER_WRITE(SOUND_MIXER_LINE2)
1070 #define SOUND_MIXER_WRITE_LINE3		MIXER_WRITE(SOUND_MIXER_LINE3)
1071 #define SOUND_MIXER_WRITE_DIGITAL1	MIXER_WRITE(SOUND_MIXER_DIGITAL1)
1072 #define SOUND_MIXER_WRITE_DIGITAL2	MIXER_WRITE(SOUND_MIXER_DIGITAL2)
1073 #define SOUND_MIXER_WRITE_DIGITAL3	MIXER_WRITE(SOUND_MIXER_DIGITAL3)
1074 #define SOUND_MIXER_WRITE_PHONEIN      	MIXER_WRITE(SOUND_MIXER_PHONEIN)
1075 #define SOUND_MIXER_WRITE_PHONEOUT	MIXER_WRITE(SOUND_MIXER_PHONEOUT)
1076 #define SOUND_MIXER_WRITE_RADIO		MIXER_WRITE(SOUND_MIXER_RADIO)
1077 #define SOUND_MIXER_WRITE_VIDEO		MIXER_WRITE(SOUND_MIXER_VIDEO)
1078 #define SOUND_MIXER_WRITE_MONITOR	MIXER_WRITE(SOUND_MIXER_MONITOR)
1079 
1080 #define SOUND_MIXER_WRITE_MUTE		MIXER_WRITE(SOUND_MIXER_MUTE)
1081 #define SOUND_MIXER_WRITE_ENHANCE	MIXER_WRITE(SOUND_MIXER_ENHANCE)
1082 #define SOUND_MIXER_WRITE_LOUD		MIXER_WRITE(SOUND_MIXER_LOUD)
1083 
1084 #define SOUND_MIXER_WRITE_RECSRC	MIXER_WRITE(SOUND_MIXER_RECSRC)
1085 
1086 typedef struct mixer_info {
1087   char id[16];
1088   char name[32];
1089   int  modify_counter;
1090   int fillers[10];
1091 } mixer_info;
1092 
1093 #define SOUND_MIXER_INFO		_IOR('M', 101, mixer_info)
1094 
1095 #define LEFT_CHN	0
1096 #define RIGHT_CHN	1
1097 
1098 /*
1099  * Level 2 event types for /dev/sequencer
1100  */
1101 
1102 /*
1103  * The 4 most significant bits of byte 0 specify the class of
1104  * the event:
1105  *
1106  *	0x8X = system level events,
1107  *	0x9X = device/port specific events, event[1] = device/port,
1108  *		The last 4 bits give the subtype:
1109  *			0x02	= Channel event (event[3] = chn).
1110  *			0x01	= note event (event[4] = note).
1111  *			(0x01 is not used alone but always with bit 0x02).
1112  *	       event[2] = MIDI message code (0x80=note off etc.)
1113  *
1114  */
1115 
1116 #define EV_SEQ_LOCAL		0x80
1117 #define EV_TIMING		0x81
1118 #define EV_CHN_COMMON		0x92
1119 #define EV_CHN_VOICE		0x93
1120 #define EV_SYSEX		0x94
1121 /*
1122  * Event types 200 to 220 are reserved for application use.
1123  * These numbers will not be used by the driver.
1124  */
1125 
1126 /*
1127  * Events for event type EV_CHN_VOICE
1128  */
1129 
1130 #define MIDI_NOTEOFF		0x80
1131 #define MIDI_NOTEON		0x90
1132 #define MIDI_KEY_PRESSURE	0xA0
1133 
1134 /*
1135  * Events for event type EV_CHN_COMMON
1136  */
1137 
1138 #define MIDI_CTL_CHANGE		0xB0
1139 #define MIDI_PGM_CHANGE		0xC0
1140 #define MIDI_CHN_PRESSURE	0xD0
1141 #define MIDI_PITCH_BEND		0xE0
1142 
1143 #define MIDI_SYSTEM_PREFIX	0xF0
1144 
1145 /*
1146  * Timer event types
1147  */
1148 #define TMR_WAIT_REL		1	/* Time relative to the prev time */
1149 #define TMR_WAIT_ABS		2	/* Absolute time since TMR_START */
1150 #define TMR_STOP		3
1151 #define TMR_START		4
1152 #define TMR_CONTINUE		5
1153 #define TMR_TEMPO		6
1154 #define TMR_ECHO		8
1155 #define TMR_CLOCK		9	/* MIDI clock */
1156 #define TMR_SPP			10	/* Song position pointer */
1157 #define TMR_TIMESIG		11	/* Time signature */
1158 
1159 /*
1160  *	Local event types
1161  */
1162 #define LOCL_STARTAUDIO		1
1163 
1164 #if (!defined(_KERNEL) && !defined(INKERNEL)) || defined(USE_SEQ_MACROS)
1165 /*
1166  *	Some convenience macros to simplify programming of the
1167  *	/dev/sequencer interface
1168  *
1169  *	These macros define the API which should be used when possible.
1170  */
1171 
1172 #ifndef USE_SIMPLE_MACROS
1173 void seqbuf_dump(void);	/* This function must be provided by programs */
1174 
1175 /* Sample seqbuf_dump() implementation:
1176  *
1177  *	SEQ_DEFINEBUF (2048);	-- Defines a buffer for 2048 bytes
1178  *
1179  *	int seqfd;		-- The file descriptor for /dev/sequencer.
1180  *
1181  *	void
1182  *	seqbuf_dump ()
1183  *	{
1184  *	  if (_seqbufptr)
1185  *	    if (write (seqfd, _seqbuf, _seqbufptr) == -1)
1186  *	      {
1187  *		perror ("write /dev/sequencer");
1188  *		exit (-1);
1189  *	      }
1190  *	  _seqbufptr = 0;
1191  *	}
1192  */
1193 
1194 #define SEQ_DEFINEBUF(len)		\
1195 	u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
1196 #define SEQ_USE_EXTBUF()		\
1197 	extern u_char _seqbuf[]; \
1198 	extern int _seqbuflen;extern int _seqbufptr
1199 #define SEQ_DECLAREBUF()		SEQ_USE_EXTBUF()
1200 #define SEQ_PM_DEFINES			struct patmgr_info _pm_info
1201 #define _SEQ_NEEDBUF(len)		\
1202 	if ((_seqbufptr+(len)) > _seqbuflen) \
1203 		seqbuf_dump()
1204 #define _SEQ_ADVBUF(len)		_seqbufptr += len
1205 #define SEQ_DUMPBUF			seqbuf_dump
1206 #else
1207 /*
1208  * This variation of the sequencer macros is used just to format one event
1209  * using fixed buffer.
1210  *
1211  * The program using the macro library must define the following macros before
1212  * using this library.
1213  *
1214  * #define _seqbuf 		 name of the buffer (u_char[])
1215  * #define _SEQ_ADVBUF(len)	 If the applic needs to know the exact
1216  *				 size of the event, this macro can be used.
1217  *				 Otherwise this must be defined as empty.
1218  * #define _seqbufptr		 Define the name of index variable or 0 if
1219  *				 not required.
1220  */
1221 #define _SEQ_NEEDBUF(len)	/* empty */
1222 #endif
1223 
1224 #define PM_LOAD_PATCH(dev, bank, pgm)	\
1225 	(SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
1226 	_pm_info.device=dev, _pm_info.data.data8[0]=pgm, \
1227 	_pm_info.parm1 = bank, _pm_info.parm2 = 1, \
1228 	ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
1229 #define PM_LOAD_PATCHES(dev, bank, pgm) \
1230 	(SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
1231 	_pm_info.device=dev, bcopy( pgm, _pm_info.data.data8,  128), \
1232 	_pm_info.parm1 = bank, _pm_info.parm2 = 128, \
1233 	ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
1234 
1235 #define SEQ_VOLUME_MODE(dev, mode)	{ \
1236 	_SEQ_NEEDBUF(8);\
1237 	_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1238 	_seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
1239 	_seqbuf[_seqbufptr+2] = (dev);\
1240 	_seqbuf[_seqbufptr+3] = (mode);\
1241 	_seqbuf[_seqbufptr+4] = 0;\
1242 	_seqbuf[_seqbufptr+5] = 0;\
1243 	_seqbuf[_seqbufptr+6] = 0;\
1244 	_seqbuf[_seqbufptr+7] = 0;\
1245 	_SEQ_ADVBUF(8);}
1246 
1247 /*
1248  * Midi voice messages
1249  */
1250 
1251 #define _CHN_VOICE(dev, event, chn, note, parm)  { \
1252 	_SEQ_NEEDBUF(8);\
1253 	_seqbuf[_seqbufptr] = EV_CHN_VOICE;\
1254 	_seqbuf[_seqbufptr+1] = (dev);\
1255 	_seqbuf[_seqbufptr+2] = (event);\
1256 	_seqbuf[_seqbufptr+3] = (chn);\
1257 	_seqbuf[_seqbufptr+4] = (note);\
1258 	_seqbuf[_seqbufptr+5] = (parm);\
1259 	_seqbuf[_seqbufptr+6] = (0);\
1260 	_seqbuf[_seqbufptr+7] = 0;\
1261 	_SEQ_ADVBUF(8);}
1262 
1263 #define SEQ_START_NOTE(dev, chn, note, vol) \
1264 		_CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1265 
1266 #define SEQ_STOP_NOTE(dev, chn, note, vol) \
1267 		_CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1268 
1269 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1270 		_CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1271 
1272 /*
1273  * Midi channel messages
1274  */
1275 
1276 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \
1277 	_SEQ_NEEDBUF(8);\
1278 	_seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1279 	_seqbuf[_seqbufptr+1] = (dev);\
1280 	_seqbuf[_seqbufptr+2] = (event);\
1281 	_seqbuf[_seqbufptr+3] = (chn);\
1282 	_seqbuf[_seqbufptr+4] = (p1);\
1283 	_seqbuf[_seqbufptr+5] = (p2);\
1284 	*(short *)&_seqbuf[_seqbufptr+6] = (w14);\
1285 	_SEQ_ADVBUF(8);}
1286 /*
1287  * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1288  * sending any MIDI bytes but it's absolutely not possible. Trying to do
1289  * so _will_ cause problems with MPU401 intelligent mode).
1290  *
1291  * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
1292  * sent by calling SEQ_SYSEX() several times (there must be no other events
1293  * between them). First sysex fragment must have 0xf0 in the first byte
1294  * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1295  * between these sysex start and end markers cannot be larger than 0x7f. Also
1296  * lengths of each fragments (except the last one) must be 6.
1297  *
1298  * Breaking the above rules may work with some MIDI ports but is likely to
1299  * cause fatal problems with some other devices (such as MPU401).
1300  */
1301 #define SEQ_SYSEX(dev, buf, len) { \
1302 	int i, l=(len); if (l>6)l=6;\
1303 	_SEQ_NEEDBUF(8);\
1304 	_seqbuf[_seqbufptr] = EV_SYSEX;\
1305 	for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\
1306 	for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\
1307 	_SEQ_ADVBUF(8);}
1308 
1309 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1310 	_CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1311 
1312 #define SEQ_SET_PATCH(dev, chn, patch) \
1313 	_CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1314 
1315 #define SEQ_CONTROL(dev, chn, controller, value) \
1316 	_CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1317 
1318 #define SEQ_BENDER(dev, chn, value) \
1319 	_CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1320 
1321 
1322 #define SEQ_V2_X_CONTROL(dev, voice, controller, value)	{ \
1323 	_SEQ_NEEDBUF(8);\
1324 	_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1325 	_seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1326 	_seqbuf[_seqbufptr+2] = (dev);\
1327 	_seqbuf[_seqbufptr+3] = (voice);\
1328 	_seqbuf[_seqbufptr+4] = (controller);\
1329 	*(short *)&_seqbuf[_seqbufptr+5] = (value);\
1330 	_seqbuf[_seqbufptr+7] = 0;\
1331 	_SEQ_ADVBUF(8);}
1332 
1333 /*
1334  * The following 5 macros are incorrectly implemented and obsolete.
1335  * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1336  */
1337 
1338 #define SEQ_PITCHBEND(dev, voice, value) \
1339 	SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1340 #define SEQ_BENDER_RANGE(dev, voice, value) \
1341 	SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1342 #define SEQ_EXPRESSION(dev, voice, value) \
1343 	SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1344 #define SEQ_MAIN_VOLUME(dev, voice, value) \
1345 	SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1346 #define SEQ_PANNING(dev, voice, pos) \
1347 	SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1348 
1349 /*
1350  * Timing and syncronization macros
1351  */
1352 
1353 #define _TIMER_EVENT(ev, parm)		{ \
1354 	_SEQ_NEEDBUF(8);\
1355 	_seqbuf[_seqbufptr+0] = EV_TIMING; \
1356 	_seqbuf[_seqbufptr+1] = (ev); \
1357 	_seqbuf[_seqbufptr+2] = 0;\
1358 	_seqbuf[_seqbufptr+3] = 0;\
1359 	*(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \
1360 	_SEQ_ADVBUF(8); \
1361 	}
1362 
1363 #define SEQ_START_TIMER()		_TIMER_EVENT(TMR_START, 0)
1364 #define SEQ_STOP_TIMER()		_TIMER_EVENT(TMR_STOP, 0)
1365 #define SEQ_CONTINUE_TIMER()		_TIMER_EVENT(TMR_CONTINUE, 0)
1366 #define SEQ_WAIT_TIME(ticks)		_TIMER_EVENT(TMR_WAIT_ABS, ticks)
1367 #define SEQ_DELTA_TIME(ticks)		_TIMER_EVENT(TMR_WAIT_REL, ticks)
1368 #define SEQ_ECHO_BACK(key)		_TIMER_EVENT(TMR_ECHO, key)
1369 #define SEQ_SET_TEMPO(value)		_TIMER_EVENT(TMR_TEMPO, value)
1370 #define SEQ_SONGPOS(pos)		_TIMER_EVENT(TMR_SPP, pos)
1371 #define SEQ_TIME_SIGNATURE(sig)		_TIMER_EVENT(TMR_TIMESIG, sig)
1372 
1373 /*
1374  * Local control events
1375  */
1376 
1377 #define _LOCAL_EVENT(ev, parm)		{ \
1378 	_SEQ_NEEDBUF(8);\
1379 	_seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1380 	_seqbuf[_seqbufptr+1] = (ev); \
1381 	_seqbuf[_seqbufptr+2] = 0;\
1382 	_seqbuf[_seqbufptr+3] = 0;\
1383 	*(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \
1384 	_SEQ_ADVBUF(8); \
1385 	}
1386 
1387 #define SEQ_PLAYAUDIO(devmask)		_LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1388 /*
1389  * Events for the level 1 interface only
1390  */
1391 
1392 #define SEQ_MIDIOUT(device, byte)	{ \
1393 	_SEQ_NEEDBUF(4);\
1394 	_seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1395 	_seqbuf[_seqbufptr+1] = (byte);\
1396 	_seqbuf[_seqbufptr+2] = (device);\
1397 	_seqbuf[_seqbufptr+3] = 0;\
1398 	_SEQ_ADVBUF(4);}
1399 
1400 /*
1401  * Patch loading.
1402  */
1403 #define SEQ_WRPATCH(patchx, len)	{ \
1404 	if (_seqbufptr) seqbuf_dump(); \
1405 	if (write(seqfd, (char*)(patchx), len)==-1) \
1406 	   perror("Write patch: /dev/sequencer"); \
1407 	}
1408 
1409 #define SEQ_WRPATCH2(patchx, len)	\
1410 	( seqbuf_dump(), write(seqfd, (char*)(patchx), len) )
1411 
1412 #endif
1413 
1414 /*
1415  * Here I have moved all the aliases for ioctl names.
1416  */
1417 
1418 #define SNDCTL_DSP_SAMPLESIZE	SNDCTL_DSP_SETFMT
1419 #define SOUND_PCM_WRITE_BITS	SNDCTL_DSP_SETFMT
1420 #define SOUND_PCM_SETFMT	SNDCTL_DSP_SETFMT
1421 
1422 #define SOUND_PCM_WRITE_RATE	SNDCTL_DSP_SPEED
1423 #define SOUND_PCM_POST		SNDCTL_DSP_POST
1424 #define SOUND_PCM_RESET		SNDCTL_DSP_RESET
1425 #define SOUND_PCM_SYNC		SNDCTL_DSP_SYNC
1426 #define SOUND_PCM_SUBDIVIDE	SNDCTL_DSP_SUBDIVIDE
1427 #define SOUND_PCM_SETFRAGMENT	SNDCTL_DSP_SETFRAGMENT
1428 #define SOUND_PCM_GETFMTS	SNDCTL_DSP_GETFMTS
1429 #define SOUND_PCM_GETOSPACE	SNDCTL_DSP_GETOSPACE
1430 #define SOUND_PCM_GETISPACE	SNDCTL_DSP_GETISPACE
1431 #define SOUND_PCM_NONBLOCK	SNDCTL_DSP_NONBLOCK
1432 #define SOUND_PCM_GETCAPS	SNDCTL_DSP_GETCAPS
1433 #define SOUND_PCM_GETTRIGGER	SNDCTL_DSP_GETTRIGGER
1434 #define SOUND_PCM_SETTRIGGER	SNDCTL_DSP_SETTRIGGER
1435 #define SOUND_PCM_SETSYNCRO	SNDCTL_DSP_SETSYNCRO
1436 #define SOUND_PCM_GETIPTR	SNDCTL_DSP_GETIPTR
1437 #define SOUND_PCM_GETOPTR	SNDCTL_DSP_GETOPTR
1438 #define SOUND_PCM_MAPINBUF	SNDCTL_DSP_MAPINBUF
1439 #define SOUND_PCM_MAPOUTBUF	SNDCTL_DSP_MAPOUTBUF
1440 
1441 #endif	/* !_SYS_SOUNDCARD_H_ */
1442