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22#ifndef __SOUND_ASEQUENCER_H
23#define __SOUND_ASEQUENCER_H
24
25#ifdef __KERNEL__
26#include <linux/ioctl.h>
27#include <sound/asound.h>
28#endif
29
30
31#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION (1, 0, 1)
32
33
34
35
36
37
38
39
40#define SNDRV_SEQ_EVENT_SYSTEM 0
41#define SNDRV_SEQ_EVENT_RESULT 1
42
43
44
45
46#define SNDRV_SEQ_EVENT_NOTE 5
47#define SNDRV_SEQ_EVENT_NOTEON 6
48#define SNDRV_SEQ_EVENT_NOTEOFF 7
49#define SNDRV_SEQ_EVENT_KEYPRESS 8
50
51
52
53
54#define SNDRV_SEQ_EVENT_CONTROLLER 10
55#define SNDRV_SEQ_EVENT_PGMCHANGE 11
56#define SNDRV_SEQ_EVENT_CHANPRESS 12
57#define SNDRV_SEQ_EVENT_PITCHBEND 13
58#define SNDRV_SEQ_EVENT_CONTROL14 14
59#define SNDRV_SEQ_EVENT_NONREGPARAM 15
60#define SNDRV_SEQ_EVENT_REGPARAM 16
61
62
63
64
65#define SNDRV_SEQ_EVENT_SONGPOS 20
66#define SNDRV_SEQ_EVENT_SONGSEL 21
67#define SNDRV_SEQ_EVENT_QFRAME 22
68#define SNDRV_SEQ_EVENT_TIMESIGN 23
69#define SNDRV_SEQ_EVENT_KEYSIGN 24
70
71
72
73
74#define SNDRV_SEQ_EVENT_START 30
75#define SNDRV_SEQ_EVENT_CONTINUE 31
76#define SNDRV_SEQ_EVENT_STOP 32
77#define SNDRV_SEQ_EVENT_SETPOS_TICK 33
78#define SNDRV_SEQ_EVENT_SETPOS_TIME 34
79#define SNDRV_SEQ_EVENT_TEMPO 35
80#define SNDRV_SEQ_EVENT_CLOCK 36
81#define SNDRV_SEQ_EVENT_TICK 37
82#define SNDRV_SEQ_EVENT_QUEUE_SKEW 38
83
84
85
86
87#define SNDRV_SEQ_EVENT_TUNE_REQUEST 40
88#define SNDRV_SEQ_EVENT_RESET 41
89#define SNDRV_SEQ_EVENT_SENSING 42
90
91
92
93
94#define SNDRV_SEQ_EVENT_ECHO 50
95#define SNDRV_SEQ_EVENT_OSS 51
96
97
98
99
100#define SNDRV_SEQ_EVENT_CLIENT_START 60
101#define SNDRV_SEQ_EVENT_CLIENT_EXIT 61
102#define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62
103#define SNDRV_SEQ_EVENT_PORT_START 63
104#define SNDRV_SEQ_EVENT_PORT_EXIT 64
105#define SNDRV_SEQ_EVENT_PORT_CHANGE 65
106
107
108
109
110#define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66
111#define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67
112
113
114
115
116
117
118#define SNDRV_SEQ_EVENT_USR0 90
119#define SNDRV_SEQ_EVENT_USR1 91
120#define SNDRV_SEQ_EVENT_USR2 92
121#define SNDRV_SEQ_EVENT_USR3 93
122#define SNDRV_SEQ_EVENT_USR4 94
123#define SNDRV_SEQ_EVENT_USR5 95
124#define SNDRV_SEQ_EVENT_USR6 96
125#define SNDRV_SEQ_EVENT_USR7 97
126#define SNDRV_SEQ_EVENT_USR8 98
127#define SNDRV_SEQ_EVENT_USR9 99
128
129
130
131
132
133
134
135
136#define SNDRV_SEQ_EVENT_SYSEX 130
137#define SNDRV_SEQ_EVENT_BOUNCE 131
138
139#define SNDRV_SEQ_EVENT_USR_VAR0 135
140#define SNDRV_SEQ_EVENT_USR_VAR1 136
141#define SNDRV_SEQ_EVENT_USR_VAR2 137
142#define SNDRV_SEQ_EVENT_USR_VAR3 138
143#define SNDRV_SEQ_EVENT_USR_VAR4 139
144
145
146#define SNDRV_SEQ_EVENT_KERNEL_ERROR 150
147#define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151
148
149
150
151
152
153
154#define SNDRV_SEQ_EVENT_NONE 255
155
156
157typedef unsigned char snd_seq_event_type_t;
158
159
160struct snd_seq_addr {
161 unsigned char client;
162 unsigned char port;
163};
164
165
166struct snd_seq_connect {
167 struct snd_seq_addr sender;
168 struct snd_seq_addr dest;
169};
170
171
172#define SNDRV_SEQ_ADDRESS_UNKNOWN 253
173#define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254
174#define SNDRV_SEQ_ADDRESS_BROADCAST 255
175#define SNDRV_SEQ_QUEUE_DIRECT 253
176
177
178#define SNDRV_SEQ_TIME_STAMP_TICK (0<<0)
179#define SNDRV_SEQ_TIME_STAMP_REAL (1<<0)
180#define SNDRV_SEQ_TIME_STAMP_MASK (1<<0)
181
182#define SNDRV_SEQ_TIME_MODE_ABS (0<<1)
183#define SNDRV_SEQ_TIME_MODE_REL (1<<1)
184#define SNDRV_SEQ_TIME_MODE_MASK (1<<1)
185
186#define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2)
187#define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2)
188#define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2)
189#define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2)
190
191#define SNDRV_SEQ_PRIORITY_NORMAL (0<<4)
192#define SNDRV_SEQ_PRIORITY_HIGH (1<<4)
193#define SNDRV_SEQ_PRIORITY_MASK (1<<4)
194
195
196
197struct snd_seq_ev_note {
198 unsigned char channel;
199 unsigned char note;
200 unsigned char velocity;
201 unsigned char off_velocity;
202 unsigned int duration;
203};
204
205
206struct snd_seq_ev_ctrl {
207 unsigned char channel;
208 unsigned char unused1, unused2, unused3;
209 unsigned int param;
210 signed int value;
211};
212
213
214struct snd_seq_ev_raw8 {
215 unsigned char d[12];
216};
217
218
219struct snd_seq_ev_raw32 {
220 unsigned int d[3];
221};
222
223
224struct snd_seq_ev_ext {
225 unsigned int len;
226 void *ptr;
227} __attribute__((packed));
228
229struct snd_seq_result {
230 int event;
231 int result;
232};
233
234
235struct snd_seq_real_time {
236 unsigned int tv_sec;
237 unsigned int tv_nsec;
238};
239
240typedef unsigned int snd_seq_tick_time_t;
241
242union snd_seq_timestamp {
243 snd_seq_tick_time_t tick;
244 struct snd_seq_real_time time;
245};
246
247struct snd_seq_queue_skew {
248 unsigned int value;
249 unsigned int base;
250};
251
252
253struct snd_seq_ev_queue_control {
254 unsigned char queue;
255 unsigned char pad[3];
256 union {
257 signed int value;
258 union snd_seq_timestamp time;
259 unsigned int position;
260 struct snd_seq_queue_skew skew;
261 unsigned int d32[2];
262 unsigned char d8[8];
263 } param;
264};
265
266
267struct snd_seq_ev_quote {
268 struct snd_seq_addr origin;
269 unsigned short value;
270 struct snd_seq_event *event;
271} __attribute__((packed));
272
273
274
275struct snd_seq_event {
276 snd_seq_event_type_t type;
277 unsigned char flags;
278 char tag;
279
280 unsigned char queue;
281 union snd_seq_timestamp time;
282
283
284 struct snd_seq_addr source;
285 struct snd_seq_addr dest;
286
287 union {
288 struct snd_seq_ev_note note;
289 struct snd_seq_ev_ctrl control;
290 struct snd_seq_ev_raw8 raw8;
291 struct snd_seq_ev_raw32 raw32;
292 struct snd_seq_ev_ext ext;
293 struct snd_seq_ev_queue_control queue;
294 union snd_seq_timestamp time;
295 struct snd_seq_addr addr;
296 struct snd_seq_connect connect;
297 struct snd_seq_result result;
298 struct snd_seq_ev_quote quote;
299 } data;
300};
301
302
303
304
305
306struct snd_seq_event_bounce {
307 int err;
308 struct snd_seq_event event;
309
310};
311
312#ifdef __KERNEL__
313
314
315#define snd_seq_event_bounce_ext_data(ev) ((void*)((char *)(ev)->data.ext.ptr + sizeof(struct snd_seq_event_bounce)))
316
317
318
319
320
321#define snd_seq_ev_is_result_type(ev) ((ev)->type < 5)
322
323#define snd_seq_ev_is_channel_type(ev) ((ev)->type >= 5 && (ev)->type < 20)
324
325#define snd_seq_ev_is_note_type(ev) ((ev)->type >= 5 && (ev)->type < 10)
326
327#define snd_seq_ev_is_control_type(ev) ((ev)->type >= 10 && (ev)->type < 20)
328
329#define snd_seq_ev_is_queue_type(ev) ((ev)->type >= 30 && (ev)->type < 40)
330
331#define snd_seq_ev_is_message_type(ev) ((ev)->type >= 60 && (ev)->type < 69)
332
333#define snd_seq_ev_is_sample_type(ev) ((ev)->type >= 70 && (ev)->type < 79)
334
335#define snd_seq_ev_is_user_type(ev) ((ev)->type >= 90 && (ev)->type < 99)
336
337#define snd_seq_ev_is_fixed_type(ev) ((ev)->type < 100)
338
339#define snd_seq_ev_is_variable_type(ev) ((ev)->type >= 130 && (ev)->type < 140)
340
341#define snd_seq_ev_is_reserved(ev) ((ev)->type >= 150)
342
343
344#define snd_seq_ev_is_direct(ev) ((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT)
345
346
347
348
349
350#define snd_seq_ev_is_prior(ev) (((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH)
351
352
353#define snd_seq_ev_length_type(ev) ((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK)
354#define snd_seq_ev_is_fixed(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED)
355#define snd_seq_ev_is_variable(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE)
356#define snd_seq_ev_is_varusr(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR)
357
358
359#define snd_seq_ev_timestamp_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK)
360#define snd_seq_ev_is_tick(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK)
361#define snd_seq_ev_is_real(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL)
362
363
364#define snd_seq_ev_timemode_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK)
365#define snd_seq_ev_is_abstime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS)
366#define snd_seq_ev_is_reltime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL)
367
368
369#define snd_seq_queue_sync_port(q) ((q) + 16)
370
371#endif
372
373
374struct snd_seq_system_info {
375 int queues;
376 int clients;
377 int ports;
378 int channels;
379 int cur_clients;
380 int cur_queues;
381 char reserved[24];
382};
383
384
385
386struct snd_seq_running_info {
387 unsigned char client;
388 unsigned char big_endian;
389 unsigned char cpu_mode;
390 unsigned char pad;
391 unsigned char reserved[12];
392};
393
394
395
396#define SNDRV_SEQ_CLIENT_SYSTEM 0
397
398#define SNDRV_SEQ_CLIENT_DUMMY 14
399#define SNDRV_SEQ_CLIENT_OSS 15
400
401
402
403typedef int __bitwise snd_seq_client_type_t;
404#define NO_CLIENT ((__force snd_seq_client_type_t) 0)
405#define USER_CLIENT ((__force snd_seq_client_type_t) 1)
406#define KERNEL_CLIENT ((__force snd_seq_client_type_t) 2)
407
408
409#define SNDRV_SEQ_FILTER_BROADCAST (1<<0)
410#define SNDRV_SEQ_FILTER_MULTICAST (1<<1)
411#define SNDRV_SEQ_FILTER_BOUNCE (1<<2)
412#define SNDRV_SEQ_FILTER_USE_EVENT (1<<31)
413
414struct snd_seq_client_info {
415 int client;
416 snd_seq_client_type_t type;
417 char name[64];
418 unsigned int filter;
419 unsigned char multicast_filter[8];
420 unsigned char event_filter[32];
421 int num_ports;
422 int event_lost;
423 char reserved[64];
424};
425
426
427
428struct snd_seq_client_pool {
429 int client;
430 int output_pool;
431 int input_pool;
432 int output_room;
433 int output_free;
434 int input_free;
435 char reserved[64];
436};
437
438
439
440
441#define SNDRV_SEQ_REMOVE_INPUT (1<<0)
442#define SNDRV_SEQ_REMOVE_OUTPUT (1<<1)
443#define SNDRV_SEQ_REMOVE_DEST (1<<2)
444#define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3)
445#define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4)
446#define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5)
447#define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6)
448#define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7)
449#define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8)
450#define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9)
451
452struct snd_seq_remove_events {
453 unsigned int remove_mode;
454
455 union snd_seq_timestamp time;
456
457 unsigned char queue;
458 struct snd_seq_addr dest;
459 unsigned char channel;
460
461 int type;
462 char tag;
463
464 int reserved[10];
465
466};
467
468
469
470#define SNDRV_SEQ_PORT_SYSTEM_TIMER 0
471#define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1
472
473
474#define SNDRV_SEQ_PORT_CAP_READ (1<<0)
475#define SNDRV_SEQ_PORT_CAP_WRITE (1<<1)
476
477#define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2)
478#define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3)
479
480#define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4)
481
482#define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5)
483#define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6)
484#define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7)
485
486
487#define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0)
488#define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1)
489#define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2)
490#define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3)
491#define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4)
492#define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5)
493#define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6)
494
495
496#define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10)
497#define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11)
498#define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12)
499
500#define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16)
501#define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17)
502#define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18)
503#define SNDRV_SEQ_PORT_TYPE_PORT (1<<19)
504#define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20)
505
506
507#define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0)
508#define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1)
509#define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2)
510
511struct snd_seq_port_info {
512 struct snd_seq_addr addr;
513 char name[64];
514
515 unsigned int capability;
516 unsigned int type;
517 int midi_channels;
518 int midi_voices;
519 int synth_voices;
520
521 int read_use;
522 int write_use;
523
524 void *kernel;
525 unsigned int flags;
526 unsigned char time_queue;
527 char reserved[59];
528};
529
530
531
532#define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0)
533
534
535struct snd_seq_queue_info {
536 int queue;
537
538
539
540
541
542 int owner;
543 unsigned locked:1;
544 char name[64];
545 unsigned int flags;
546 char reserved[60];
547
548};
549
550
551struct snd_seq_queue_status {
552 int queue;
553 int events;
554 snd_seq_tick_time_t tick;
555 struct snd_seq_real_time time;
556 int running;
557 int flags;
558 char reserved[64];
559};
560
561
562
563struct snd_seq_queue_tempo {
564 int queue;
565 unsigned int tempo;
566 int ppq;
567 unsigned int skew_value;
568 unsigned int skew_base;
569 char reserved[24];
570};
571
572
573
574#define SNDRV_SEQ_TIMER_ALSA 0
575#define SNDRV_SEQ_TIMER_MIDI_CLOCK 1
576#define SNDRV_SEQ_TIMER_MIDI_TICK 2
577
578
579struct snd_seq_queue_timer {
580 int queue;
581 int type;
582 union {
583 struct {
584 struct snd_timer_id id;
585 unsigned int resolution;
586 } alsa;
587 } u;
588 char reserved[64];
589};
590
591
592struct snd_seq_queue_client {
593 int queue;
594 int client;
595 int used;
596
597
598 char reserved[64];
599};
600
601
602#define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0)
603#define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1)
604#define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2)
605
606struct snd_seq_port_subscribe {
607 struct snd_seq_addr sender;
608 struct snd_seq_addr dest;
609 unsigned int voices;
610 unsigned int flags;
611 unsigned char queue;
612 unsigned char pad[3];
613 char reserved[64];
614};
615
616
617#define SNDRV_SEQ_QUERY_SUBS_READ 0
618#define SNDRV_SEQ_QUERY_SUBS_WRITE 1
619
620struct snd_seq_query_subs {
621 struct snd_seq_addr root;
622 int type;
623 int index;
624 int num_subs;
625 struct snd_seq_addr addr;
626 unsigned char queue;
627 unsigned int flags;
628 char reserved[64];
629};
630
631
632
633
634
635
636#define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int)
637#define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int)
638#define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info)
639#define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info)
640
641#define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info)
642#define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info)
643
644#define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info)
645#define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info)
646#define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info)
647#define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info)
648
649#define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe)
650#define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe)
651
652#define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info)
653#define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info)
654#define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info)
655#define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info)
656#define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info)
657#define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status)
658#define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo)
659#define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo)
660#define SNDRV_SEQ_IOCTL_GET_QUEUE_OWNER _IOWR('S', 0x43, struct snd_seq_queue_owner)
661#define SNDRV_SEQ_IOCTL_SET_QUEUE_OWNER _IOW ('S', 0x44, struct snd_seq_queue_owner)
662#define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer)
663#define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer)
664
665
666
667
668#define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client)
669#define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client)
670#define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool)
671#define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool)
672#define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events)
673#define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs)
674#define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe)
675#define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info)
676#define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info)
677
678#endif
679