blob: 5a5fa4956ebd66f989f7e8886d77e09566127ac0 [file] [log] [blame]
David Howells674e95c2012-10-09 09:49:13 +01001/*
2 * Main header file for the ALSA sequencer
3 * Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
4 * (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz>
5 *
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22#ifndef _UAPI__SOUND_ASEQUENCER_H
23#define _UAPI__SOUND_ASEQUENCER_H
24
Mikko Rapelibbf91c12015-02-17 00:05:42 +010025#include <sound/asound.h>
David Howells674e95c2012-10-09 09:49:13 +010026
27/** version of the sequencer */
28#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION (1, 0, 1)
29
30/**
31 * definition of sequencer event types
32 */
33
34/** system messages
35 * event data type = #snd_seq_result
36 */
37#define SNDRV_SEQ_EVENT_SYSTEM 0
38#define SNDRV_SEQ_EVENT_RESULT 1
39
40/** note messages (channel specific)
41 * event data type = #snd_seq_ev_note
42 */
43#define SNDRV_SEQ_EVENT_NOTE 5
44#define SNDRV_SEQ_EVENT_NOTEON 6
45#define SNDRV_SEQ_EVENT_NOTEOFF 7
46#define SNDRV_SEQ_EVENT_KEYPRESS 8
47
48/** control messages (channel specific)
49 * event data type = #snd_seq_ev_ctrl
50 */
51#define SNDRV_SEQ_EVENT_CONTROLLER 10
52#define SNDRV_SEQ_EVENT_PGMCHANGE 11
53#define SNDRV_SEQ_EVENT_CHANPRESS 12
54#define SNDRV_SEQ_EVENT_PITCHBEND 13 /**< from -8192 to 8191 */
55#define SNDRV_SEQ_EVENT_CONTROL14 14 /**< 14 bit controller value */
56#define SNDRV_SEQ_EVENT_NONREGPARAM 15 /**< 14 bit NRPN address + 14 bit unsigned value */
57#define SNDRV_SEQ_EVENT_REGPARAM 16 /**< 14 bit RPN address + 14 bit unsigned value */
58
59/** synchronisation messages
60 * event data type = #snd_seq_ev_ctrl
61 */
62#define SNDRV_SEQ_EVENT_SONGPOS 20 /* Song Position Pointer with LSB and MSB values */
63#define SNDRV_SEQ_EVENT_SONGSEL 21 /* Song Select with song ID number */
64#define SNDRV_SEQ_EVENT_QFRAME 22 /* midi time code quarter frame */
65#define SNDRV_SEQ_EVENT_TIMESIGN 23 /* SMF Time Signature event */
66#define SNDRV_SEQ_EVENT_KEYSIGN 24 /* SMF Key Signature event */
67
68/** timer messages
69 * event data type = snd_seq_ev_queue_control
70 */
71#define SNDRV_SEQ_EVENT_START 30 /* midi Real Time Start message */
72#define SNDRV_SEQ_EVENT_CONTINUE 31 /* midi Real Time Continue message */
73#define SNDRV_SEQ_EVENT_STOP 32 /* midi Real Time Stop message */
74#define SNDRV_SEQ_EVENT_SETPOS_TICK 33 /* set tick queue position */
75#define SNDRV_SEQ_EVENT_SETPOS_TIME 34 /* set realtime queue position */
76#define SNDRV_SEQ_EVENT_TEMPO 35 /* (SMF) Tempo event */
77#define SNDRV_SEQ_EVENT_CLOCK 36 /* midi Real Time Clock message */
78#define SNDRV_SEQ_EVENT_TICK 37 /* midi Real Time Tick message */
79#define SNDRV_SEQ_EVENT_QUEUE_SKEW 38 /* skew queue tempo */
80
81/** others
82 * event data type = none
83 */
84#define SNDRV_SEQ_EVENT_TUNE_REQUEST 40 /* tune request */
85#define SNDRV_SEQ_EVENT_RESET 41 /* reset to power-on state */
86#define SNDRV_SEQ_EVENT_SENSING 42 /* "active sensing" event */
87
88/** echo back, kernel private messages
89 * event data type = any type
90 */
91#define SNDRV_SEQ_EVENT_ECHO 50 /* echo event */
92#define SNDRV_SEQ_EVENT_OSS 51 /* OSS raw event */
93
94/** system status messages (broadcast for subscribers)
95 * event data type = snd_seq_addr
96 */
97#define SNDRV_SEQ_EVENT_CLIENT_START 60 /* new client has connected */
98#define SNDRV_SEQ_EVENT_CLIENT_EXIT 61 /* client has left the system */
99#define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62 /* client status/info has changed */
100#define SNDRV_SEQ_EVENT_PORT_START 63 /* new port was created */
101#define SNDRV_SEQ_EVENT_PORT_EXIT 64 /* port was deleted from system */
102#define SNDRV_SEQ_EVENT_PORT_CHANGE 65 /* port status/info has changed */
103
104/** port connection changes
105 * event data type = snd_seq_connect
106 */
107#define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */
108#define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */
109
110/* 70-89: synthesizer events - obsoleted */
111
112/** user-defined events with fixed length
113 * event data type = any
114 */
115#define SNDRV_SEQ_EVENT_USR0 90
116#define SNDRV_SEQ_EVENT_USR1 91
117#define SNDRV_SEQ_EVENT_USR2 92
118#define SNDRV_SEQ_EVENT_USR3 93
119#define SNDRV_SEQ_EVENT_USR4 94
120#define SNDRV_SEQ_EVENT_USR5 95
121#define SNDRV_SEQ_EVENT_USR6 96
122#define SNDRV_SEQ_EVENT_USR7 97
123#define SNDRV_SEQ_EVENT_USR8 98
124#define SNDRV_SEQ_EVENT_USR9 99
125
126/* 100-118: instrument layer - obsoleted */
127/* 119-129: reserved */
128
129/* 130-139: variable length events
130 * event data type = snd_seq_ev_ext
131 * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set)
132 */
133#define SNDRV_SEQ_EVENT_SYSEX 130 /* system exclusive data (variable length) */
134#define SNDRV_SEQ_EVENT_BOUNCE 131 /* error event */
135/* 132-134: reserved */
136#define SNDRV_SEQ_EVENT_USR_VAR0 135
137#define SNDRV_SEQ_EVENT_USR_VAR1 136
138#define SNDRV_SEQ_EVENT_USR_VAR2 137
139#define SNDRV_SEQ_EVENT_USR_VAR3 138
140#define SNDRV_SEQ_EVENT_USR_VAR4 139
141
142/* 150-151: kernel events with quote - DO NOT use in user clients */
143#define SNDRV_SEQ_EVENT_KERNEL_ERROR 150
144#define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151 /* obsolete */
145
146/* 152-191: reserved */
147
148/* 192-254: hardware specific events */
149
150/* 255: special event */
151#define SNDRV_SEQ_EVENT_NONE 255
152
153
154typedef unsigned char snd_seq_event_type_t;
155
156/** event address */
157struct snd_seq_addr {
158 unsigned char client; /**< Client number: 0..255, 255 = broadcast to all clients */
159 unsigned char port; /**< Port within client: 0..255, 255 = broadcast to all ports */
160};
161
162/** port connection */
163struct snd_seq_connect {
164 struct snd_seq_addr sender;
165 struct snd_seq_addr dest;
166};
167
168
169#define SNDRV_SEQ_ADDRESS_UNKNOWN 253 /* unknown source */
170#define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254 /* send event to all subscribed ports */
171#define SNDRV_SEQ_ADDRESS_BROADCAST 255 /* send event to all queues/clients/ports/channels */
172#define SNDRV_SEQ_QUEUE_DIRECT 253 /* direct dispatch */
173
174 /* event mode flag - NOTE: only 8 bits available! */
175#define SNDRV_SEQ_TIME_STAMP_TICK (0<<0) /* timestamp in clock ticks */
176#define SNDRV_SEQ_TIME_STAMP_REAL (1<<0) /* timestamp in real time */
177#define SNDRV_SEQ_TIME_STAMP_MASK (1<<0)
178
179#define SNDRV_SEQ_TIME_MODE_ABS (0<<1) /* absolute timestamp */
180#define SNDRV_SEQ_TIME_MODE_REL (1<<1) /* relative to current time */
181#define SNDRV_SEQ_TIME_MODE_MASK (1<<1)
182
183#define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2) /* fixed event size */
184#define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /* variable event size */
185#define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2) /* variable event size - user memory space */
186#define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2)
187
188#define SNDRV_SEQ_PRIORITY_NORMAL (0<<4) /* normal priority */
189#define SNDRV_SEQ_PRIORITY_HIGH (1<<4) /* event should be processed before others */
190#define SNDRV_SEQ_PRIORITY_MASK (1<<4)
191
192
193 /* note event */
194struct snd_seq_ev_note {
195 unsigned char channel;
196 unsigned char note;
197 unsigned char velocity;
198 unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */
199 unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */
200};
201
202 /* controller event */
203struct snd_seq_ev_ctrl {
204 unsigned char channel;
205 unsigned char unused1, unused2, unused3; /* pad */
206 unsigned int param;
207 signed int value;
208};
209
210 /* generic set of bytes (12x8 bit) */
211struct snd_seq_ev_raw8 {
212 unsigned char d[12]; /* 8 bit value */
213};
214
215 /* generic set of integers (3x32 bit) */
216struct snd_seq_ev_raw32 {
217 unsigned int d[3]; /* 32 bit value */
218};
219
220 /* external stored data */
221struct snd_seq_ev_ext {
222 unsigned int len; /* length of data */
223 void *ptr; /* pointer to data (note: maybe 64-bit) */
224} __attribute__((packed));
225
226struct snd_seq_result {
227 int event; /* processed event type */
228 int result;
229};
230
231
232struct snd_seq_real_time {
233 unsigned int tv_sec; /* seconds */
234 unsigned int tv_nsec; /* nanoseconds */
235};
236
237typedef unsigned int snd_seq_tick_time_t; /* midi ticks */
238
239union snd_seq_timestamp {
240 snd_seq_tick_time_t tick;
241 struct snd_seq_real_time time;
242};
243
244struct snd_seq_queue_skew {
245 unsigned int value;
246 unsigned int base;
247};
248
249 /* queue timer control */
250struct snd_seq_ev_queue_control {
251 unsigned char queue; /* affected queue */
252 unsigned char pad[3]; /* reserved */
253 union {
254 signed int value; /* affected value (e.g. tempo) */
255 union snd_seq_timestamp time; /* time */
256 unsigned int position; /* sync position */
257 struct snd_seq_queue_skew skew;
258 unsigned int d32[2];
259 unsigned char d8[8];
260 } param;
261};
262
263 /* quoted event - inside the kernel only */
264struct snd_seq_ev_quote {
265 struct snd_seq_addr origin; /* original sender */
266 unsigned short value; /* optional data */
267 struct snd_seq_event *event; /* quoted event */
268} __attribute__((packed));
269
270
271 /* sequencer event */
272struct snd_seq_event {
273 snd_seq_event_type_t type; /* event type */
274 unsigned char flags; /* event flags */
275 char tag;
276
277 unsigned char queue; /* schedule queue */
278 union snd_seq_timestamp time; /* schedule time */
279
280
281 struct snd_seq_addr source; /* source address */
282 struct snd_seq_addr dest; /* destination address */
283
284 union { /* event data... */
285 struct snd_seq_ev_note note;
286 struct snd_seq_ev_ctrl control;
287 struct snd_seq_ev_raw8 raw8;
288 struct snd_seq_ev_raw32 raw32;
289 struct snd_seq_ev_ext ext;
290 struct snd_seq_ev_queue_control queue;
291 union snd_seq_timestamp time;
292 struct snd_seq_addr addr;
293 struct snd_seq_connect connect;
294 struct snd_seq_result result;
295 struct snd_seq_ev_quote quote;
296 } data;
297};
298
299
300/*
301 * bounce event - stored as variable size data
302 */
303struct snd_seq_event_bounce {
304 int err;
305 struct snd_seq_event event;
306 /* external data follows here. */
307};
308
309
310 /* system information */
311struct snd_seq_system_info {
312 int queues; /* maximum queues count */
313 int clients; /* maximum clients count */
314 int ports; /* maximum ports per client */
315 int channels; /* maximum channels per port */
316 int cur_clients; /* current clients */
317 int cur_queues; /* current queues */
318 char reserved[24];
319};
320
321
322 /* system running information */
323struct snd_seq_running_info {
324 unsigned char client; /* client id */
325 unsigned char big_endian; /* 1 = big-endian */
326 unsigned char cpu_mode; /* 4 = 32bit, 8 = 64bit */
327 unsigned char pad; /* reserved */
328 unsigned char reserved[12];
329};
330
331
332 /* known client numbers */
333#define SNDRV_SEQ_CLIENT_SYSTEM 0
334 /* internal client numbers */
335#define SNDRV_SEQ_CLIENT_DUMMY 14 /* midi through */
336#define SNDRV_SEQ_CLIENT_OSS 15 /* oss sequencer emulator */
337
338
339 /* client types */
340typedef int __bitwise snd_seq_client_type_t;
341#define NO_CLIENT ((__force snd_seq_client_type_t) 0)
342#define USER_CLIENT ((__force snd_seq_client_type_t) 1)
343#define KERNEL_CLIENT ((__force snd_seq_client_type_t) 2)
344
345 /* event filter flags */
346#define SNDRV_SEQ_FILTER_BROADCAST (1<<0) /* accept broadcast messages */
347#define SNDRV_SEQ_FILTER_MULTICAST (1<<1) /* accept multicast messages */
348#define SNDRV_SEQ_FILTER_BOUNCE (1<<2) /* accept bounce event in error */
349#define SNDRV_SEQ_FILTER_USE_EVENT (1<<31) /* use event filter */
350
351struct snd_seq_client_info {
352 int client; /* client number to inquire */
353 snd_seq_client_type_t type; /* client type */
354 char name[64]; /* client name */
355 unsigned int filter; /* filter flags */
356 unsigned char multicast_filter[8]; /* multicast filter bitmap */
357 unsigned char event_filter[32]; /* event filter bitmap */
358 int num_ports; /* RO: number of ports */
359 int event_lost; /* number of lost events */
360 char reserved[64]; /* for future use */
361};
362
363
364/* client pool size */
365struct snd_seq_client_pool {
366 int client; /* client number to inquire */
367 int output_pool; /* outgoing (write) pool size */
368 int input_pool; /* incoming (read) pool size */
369 int output_room; /* minimum free pool size for select/blocking mode */
370 int output_free; /* unused size */
371 int input_free; /* unused size */
372 char reserved[64];
373};
374
375
376/* Remove events by specified criteria */
377
378#define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */
379#define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */
380#define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */
381#define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */
382#define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */
383#define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */
384#define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */
385#define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */
386#define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */
387#define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */
388
389struct snd_seq_remove_events {
390 unsigned int remove_mode; /* Flags that determine what gets removed */
391
392 union snd_seq_timestamp time;
393
394 unsigned char queue; /* Queue for REMOVE_DEST */
395 struct snd_seq_addr dest; /* Address for REMOVE_DEST */
396 unsigned char channel; /* Channel for REMOVE_DEST */
397
398 int type; /* For REMOVE_EVENT_TYPE */
399 char tag; /* Tag for REMOVE_TAG */
400
401 int reserved[10]; /* To allow for future binary compatibility */
402
403};
404
405
406 /* known port numbers */
407#define SNDRV_SEQ_PORT_SYSTEM_TIMER 0
408#define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1
409
410 /* port capabilities (32 bits) */
411#define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */
412#define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */
413
414#define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2)
415#define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3)
416
417#define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4)
418
419#define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */
420#define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */
421#define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */
422
423 /* port type */
424#define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */
425#define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */
426#define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */
427#define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */
428#define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */
429#define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */
430#define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */
431
432/* other standards...*/
433#define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */
434#define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */
435#define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */
436/*...*/
437#define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16) /* driver for a hardware device */
438#define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17) /* implemented in software */
439#define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */
440#define SNDRV_SEQ_PORT_TYPE_PORT (1<<19) /* connects to other device(s) */
441#define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */
442
443/* misc. conditioning flags */
444#define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0)
445#define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1)
446#define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2)
447
448struct snd_seq_port_info {
449 struct snd_seq_addr addr; /* client/port numbers */
450 char name[64]; /* port name */
451
452 unsigned int capability; /* port capability bits */
453 unsigned int type; /* port type bits */
454 int midi_channels; /* channels per MIDI port */
455 int midi_voices; /* voices per MIDI port */
456 int synth_voices; /* voices per SYNTH port */
457
458 int read_use; /* R/O: subscribers for output (from this port) */
459 int write_use; /* R/O: subscribers for input (to this port) */
460
461 void *kernel; /* reserved for kernel use (must be NULL) */
462 unsigned int flags; /* misc. conditioning */
463 unsigned char time_queue; /* queue # for timestamping */
464 char reserved[59]; /* for future use */
465};
466
467
468/* queue flags */
469#define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */
470
471/* queue information */
472struct snd_seq_queue_info {
473 int queue; /* queue id */
474
475 /*
476 * security settings, only owner of this queue can start/stop timer
477 * etc. if the queue is locked for other clients
478 */
479 int owner; /* client id for owner of the queue */
480 unsigned locked:1; /* timing queue locked for other queues */
481 char name[64]; /* name of this queue */
482 unsigned int flags; /* flags */
483 char reserved[60]; /* for future use */
484
485};
486
487/* queue info/status */
488struct snd_seq_queue_status {
489 int queue; /* queue id */
490 int events; /* read-only - queue size */
491 snd_seq_tick_time_t tick; /* current tick */
492 struct snd_seq_real_time time; /* current time */
493 int running; /* running state of queue */
494 int flags; /* various flags */
495 char reserved[64]; /* for the future */
496};
497
498
499/* queue tempo */
500struct snd_seq_queue_tempo {
501 int queue; /* sequencer queue */
502 unsigned int tempo; /* current tempo, us/tick */
503 int ppq; /* time resolution, ticks/quarter */
504 unsigned int skew_value; /* queue skew */
505 unsigned int skew_base; /* queue skew base */
506 char reserved[24]; /* for the future */
507};
508
509
510/* sequencer timer sources */
511#define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */
512#define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */
513#define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */
514
515/* queue timer info */
516struct snd_seq_queue_timer {
517 int queue; /* sequencer queue */
518 int type; /* source timer type */
519 union {
520 struct {
521 struct snd_timer_id id; /* ALSA's timer ID */
522 unsigned int resolution; /* resolution in Hz */
523 } alsa;
524 } u;
525 char reserved[64]; /* for the future use */
526};
527
528
529struct snd_seq_queue_client {
530 int queue; /* sequencer queue */
531 int client; /* sequencer client */
532 int used; /* queue is used with this client
533 (must be set for accepting events) */
534 /* per client watermarks */
535 char reserved[64]; /* for future use */
536};
537
538
539#define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */
540#define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1)
541#define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2)
542
543struct snd_seq_port_subscribe {
544 struct snd_seq_addr sender; /* sender address */
545 struct snd_seq_addr dest; /* destination address */
546 unsigned int voices; /* number of voices to be allocated (0 = don't care) */
547 unsigned int flags; /* modes */
548 unsigned char queue; /* input time-stamp queue (optional) */
549 unsigned char pad[3]; /* reserved */
550 char reserved[64];
551};
552
553/* type of query subscription */
554#define SNDRV_SEQ_QUERY_SUBS_READ 0
555#define SNDRV_SEQ_QUERY_SUBS_WRITE 1
556
557struct snd_seq_query_subs {
558 struct snd_seq_addr root; /* client/port id to be searched */
559 int type; /* READ or WRITE */
560 int index; /* 0..N-1 */
561 int num_subs; /* R/O: number of subscriptions on this port */
562 struct snd_seq_addr addr; /* R/O: result */
563 unsigned char queue; /* R/O: result */
564 unsigned int flags; /* R/O: result */
565 char reserved[64]; /* for future use */
566};
567
568
569/*
570 * IOCTL commands
571 */
572
573#define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int)
574#define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int)
575#define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info)
576#define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info)
577
578#define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info)
579#define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info)
580
581#define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info)
582#define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info)
583#define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info)
584#define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info)
585
586#define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe)
587#define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe)
588
589#define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info)
590#define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info)
591#define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info)
592#define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info)
593#define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info)
594#define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status)
595#define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo)
596#define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo)
597#define SNDRV_SEQ_IOCTL_GET_QUEUE_OWNER _IOWR('S', 0x43, struct snd_seq_queue_owner)
598#define SNDRV_SEQ_IOCTL_SET_QUEUE_OWNER _IOW ('S', 0x44, struct snd_seq_queue_owner)
599#define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer)
600#define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer)
601/* XXX
602#define SNDRV_SEQ_IOCTL_GET_QUEUE_SYNC _IOWR('S', 0x53, struct snd_seq_queue_sync)
603#define SNDRV_SEQ_IOCTL_SET_QUEUE_SYNC _IOW ('S', 0x54, struct snd_seq_queue_sync)
604*/
605#define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client)
606#define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client)
607#define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool)
608#define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool)
609#define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events)
610#define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs)
611#define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe)
612#define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info)
613#define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info)
614
615#endif /* _UAPI__SOUND_ASEQUENCER_H */