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Greg Kroah-Hartmane2be04c2017-11-01 15:09:13 +01001/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
David Howells674e95c2012-10-09 09:49:13 +01002/*
3 * Main header file for the ALSA sequencer
4 * Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
5 * (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz>
6 *
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23#ifndef _UAPI__SOUND_ASEQUENCER_H
24#define _UAPI__SOUND_ASEQUENCER_H
25
Mikko Rapelibbf91c12015-02-17 00:05:42 +010026#include <sound/asound.h>
David Howells674e95c2012-10-09 09:49:13 +010027
28/** version of the sequencer */
Martin Koeglera1ce94d2016-03-02 19:26:28 +010029#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 2)
David Howells674e95c2012-10-09 09:49:13 +010030
31/**
32 * definition of sequencer event types
33 */
34
35/** system messages
36 * event data type = #snd_seq_result
37 */
38#define SNDRV_SEQ_EVENT_SYSTEM 0
39#define SNDRV_SEQ_EVENT_RESULT 1
40
41/** note messages (channel specific)
42 * event data type = #snd_seq_ev_note
43 */
44#define SNDRV_SEQ_EVENT_NOTE 5
45#define SNDRV_SEQ_EVENT_NOTEON 6
46#define SNDRV_SEQ_EVENT_NOTEOFF 7
47#define SNDRV_SEQ_EVENT_KEYPRESS 8
48
49/** control messages (channel specific)
50 * event data type = #snd_seq_ev_ctrl
51 */
52#define SNDRV_SEQ_EVENT_CONTROLLER 10
53#define SNDRV_SEQ_EVENT_PGMCHANGE 11
54#define SNDRV_SEQ_EVENT_CHANPRESS 12
55#define SNDRV_SEQ_EVENT_PITCHBEND 13 /**< from -8192 to 8191 */
56#define SNDRV_SEQ_EVENT_CONTROL14 14 /**< 14 bit controller value */
57#define SNDRV_SEQ_EVENT_NONREGPARAM 15 /**< 14 bit NRPN address + 14 bit unsigned value */
58#define SNDRV_SEQ_EVENT_REGPARAM 16 /**< 14 bit RPN address + 14 bit unsigned value */
59
60/** synchronisation messages
61 * event data type = #snd_seq_ev_ctrl
62 */
63#define SNDRV_SEQ_EVENT_SONGPOS 20 /* Song Position Pointer with LSB and MSB values */
64#define SNDRV_SEQ_EVENT_SONGSEL 21 /* Song Select with song ID number */
65#define SNDRV_SEQ_EVENT_QFRAME 22 /* midi time code quarter frame */
66#define SNDRV_SEQ_EVENT_TIMESIGN 23 /* SMF Time Signature event */
67#define SNDRV_SEQ_EVENT_KEYSIGN 24 /* SMF Key Signature event */
68
69/** timer messages
70 * event data type = snd_seq_ev_queue_control
71 */
72#define SNDRV_SEQ_EVENT_START 30 /* midi Real Time Start message */
73#define SNDRV_SEQ_EVENT_CONTINUE 31 /* midi Real Time Continue message */
74#define SNDRV_SEQ_EVENT_STOP 32 /* midi Real Time Stop message */
75#define SNDRV_SEQ_EVENT_SETPOS_TICK 33 /* set tick queue position */
76#define SNDRV_SEQ_EVENT_SETPOS_TIME 34 /* set realtime queue position */
77#define SNDRV_SEQ_EVENT_TEMPO 35 /* (SMF) Tempo event */
78#define SNDRV_SEQ_EVENT_CLOCK 36 /* midi Real Time Clock message */
79#define SNDRV_SEQ_EVENT_TICK 37 /* midi Real Time Tick message */
80#define SNDRV_SEQ_EVENT_QUEUE_SKEW 38 /* skew queue tempo */
81
82/** others
83 * event data type = none
84 */
85#define SNDRV_SEQ_EVENT_TUNE_REQUEST 40 /* tune request */
86#define SNDRV_SEQ_EVENT_RESET 41 /* reset to power-on state */
87#define SNDRV_SEQ_EVENT_SENSING 42 /* "active sensing" event */
88
89/** echo back, kernel private messages
90 * event data type = any type
91 */
92#define SNDRV_SEQ_EVENT_ECHO 50 /* echo event */
93#define SNDRV_SEQ_EVENT_OSS 51 /* OSS raw event */
94
95/** system status messages (broadcast for subscribers)
96 * event data type = snd_seq_addr
97 */
98#define SNDRV_SEQ_EVENT_CLIENT_START 60 /* new client has connected */
99#define SNDRV_SEQ_EVENT_CLIENT_EXIT 61 /* client has left the system */
100#define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62 /* client status/info has changed */
101#define SNDRV_SEQ_EVENT_PORT_START 63 /* new port was created */
102#define SNDRV_SEQ_EVENT_PORT_EXIT 64 /* port was deleted from system */
103#define SNDRV_SEQ_EVENT_PORT_CHANGE 65 /* port status/info has changed */
104
105/** port connection changes
106 * event data type = snd_seq_connect
107 */
108#define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */
109#define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */
110
111/* 70-89: synthesizer events - obsoleted */
112
113/** user-defined events with fixed length
114 * event data type = any
115 */
116#define SNDRV_SEQ_EVENT_USR0 90
117#define SNDRV_SEQ_EVENT_USR1 91
118#define SNDRV_SEQ_EVENT_USR2 92
119#define SNDRV_SEQ_EVENT_USR3 93
120#define SNDRV_SEQ_EVENT_USR4 94
121#define SNDRV_SEQ_EVENT_USR5 95
122#define SNDRV_SEQ_EVENT_USR6 96
123#define SNDRV_SEQ_EVENT_USR7 97
124#define SNDRV_SEQ_EVENT_USR8 98
125#define SNDRV_SEQ_EVENT_USR9 99
126
127/* 100-118: instrument layer - obsoleted */
128/* 119-129: reserved */
129
130/* 130-139: variable length events
131 * event data type = snd_seq_ev_ext
132 * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set)
133 */
134#define SNDRV_SEQ_EVENT_SYSEX 130 /* system exclusive data (variable length) */
135#define SNDRV_SEQ_EVENT_BOUNCE 131 /* error event */
136/* 132-134: reserved */
137#define SNDRV_SEQ_EVENT_USR_VAR0 135
138#define SNDRV_SEQ_EVENT_USR_VAR1 136
139#define SNDRV_SEQ_EVENT_USR_VAR2 137
140#define SNDRV_SEQ_EVENT_USR_VAR3 138
141#define SNDRV_SEQ_EVENT_USR_VAR4 139
142
143/* 150-151: kernel events with quote - DO NOT use in user clients */
144#define SNDRV_SEQ_EVENT_KERNEL_ERROR 150
145#define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151 /* obsolete */
146
147/* 152-191: reserved */
148
149/* 192-254: hardware specific events */
150
151/* 255: special event */
152#define SNDRV_SEQ_EVENT_NONE 255
153
154
155typedef unsigned char snd_seq_event_type_t;
156
157/** event address */
158struct snd_seq_addr {
159 unsigned char client; /**< Client number: 0..255, 255 = broadcast to all clients */
160 unsigned char port; /**< Port within client: 0..255, 255 = broadcast to all ports */
161};
162
163/** port connection */
164struct snd_seq_connect {
165 struct snd_seq_addr sender;
166 struct snd_seq_addr dest;
167};
168
169
170#define SNDRV_SEQ_ADDRESS_UNKNOWN 253 /* unknown source */
171#define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254 /* send event to all subscribed ports */
172#define SNDRV_SEQ_ADDRESS_BROADCAST 255 /* send event to all queues/clients/ports/channels */
173#define SNDRV_SEQ_QUEUE_DIRECT 253 /* direct dispatch */
174
175 /* event mode flag - NOTE: only 8 bits available! */
176#define SNDRV_SEQ_TIME_STAMP_TICK (0<<0) /* timestamp in clock ticks */
177#define SNDRV_SEQ_TIME_STAMP_REAL (1<<0) /* timestamp in real time */
178#define SNDRV_SEQ_TIME_STAMP_MASK (1<<0)
179
180#define SNDRV_SEQ_TIME_MODE_ABS (0<<1) /* absolute timestamp */
181#define SNDRV_SEQ_TIME_MODE_REL (1<<1) /* relative to current time */
182#define SNDRV_SEQ_TIME_MODE_MASK (1<<1)
183
184#define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2) /* fixed event size */
185#define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /* variable event size */
186#define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2) /* variable event size - user memory space */
187#define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2)
188
189#define SNDRV_SEQ_PRIORITY_NORMAL (0<<4) /* normal priority */
190#define SNDRV_SEQ_PRIORITY_HIGH (1<<4) /* event should be processed before others */
191#define SNDRV_SEQ_PRIORITY_MASK (1<<4)
192
193
194 /* note event */
195struct snd_seq_ev_note {
196 unsigned char channel;
197 unsigned char note;
198 unsigned char velocity;
199 unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */
200 unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */
201};
202
203 /* controller event */
204struct snd_seq_ev_ctrl {
205 unsigned char channel;
206 unsigned char unused1, unused2, unused3; /* pad */
207 unsigned int param;
208 signed int value;
209};
210
211 /* generic set of bytes (12x8 bit) */
212struct snd_seq_ev_raw8 {
213 unsigned char d[12]; /* 8 bit value */
214};
215
216 /* generic set of integers (3x32 bit) */
217struct snd_seq_ev_raw32 {
218 unsigned int d[3]; /* 32 bit value */
219};
220
221 /* external stored data */
222struct snd_seq_ev_ext {
223 unsigned int len; /* length of data */
224 void *ptr; /* pointer to data (note: maybe 64-bit) */
225} __attribute__((packed));
226
227struct snd_seq_result {
228 int event; /* processed event type */
229 int result;
230};
231
232
233struct snd_seq_real_time {
234 unsigned int tv_sec; /* seconds */
235 unsigned int tv_nsec; /* nanoseconds */
236};
237
238typedef unsigned int snd_seq_tick_time_t; /* midi ticks */
239
240union snd_seq_timestamp {
241 snd_seq_tick_time_t tick;
242 struct snd_seq_real_time time;
243};
244
245struct snd_seq_queue_skew {
246 unsigned int value;
247 unsigned int base;
248};
249
250 /* queue timer control */
251struct snd_seq_ev_queue_control {
252 unsigned char queue; /* affected queue */
253 unsigned char pad[3]; /* reserved */
254 union {
255 signed int value; /* affected value (e.g. tempo) */
256 union snd_seq_timestamp time; /* time */
257 unsigned int position; /* sync position */
258 struct snd_seq_queue_skew skew;
259 unsigned int d32[2];
260 unsigned char d8[8];
261 } param;
262};
263
264 /* quoted event - inside the kernel only */
265struct snd_seq_ev_quote {
266 struct snd_seq_addr origin; /* original sender */
267 unsigned short value; /* optional data */
268 struct snd_seq_event *event; /* quoted event */
269} __attribute__((packed));
270
271
272 /* sequencer event */
273struct snd_seq_event {
274 snd_seq_event_type_t type; /* event type */
275 unsigned char flags; /* event flags */
276 char tag;
277
278 unsigned char queue; /* schedule queue */
279 union snd_seq_timestamp time; /* schedule time */
280
281
282 struct snd_seq_addr source; /* source address */
283 struct snd_seq_addr dest; /* destination address */
284
285 union { /* event data... */
286 struct snd_seq_ev_note note;
287 struct snd_seq_ev_ctrl control;
288 struct snd_seq_ev_raw8 raw8;
289 struct snd_seq_ev_raw32 raw32;
290 struct snd_seq_ev_ext ext;
291 struct snd_seq_ev_queue_control queue;
292 union snd_seq_timestamp time;
293 struct snd_seq_addr addr;
294 struct snd_seq_connect connect;
295 struct snd_seq_result result;
296 struct snd_seq_ev_quote quote;
297 } data;
298};
299
300
301/*
302 * bounce event - stored as variable size data
303 */
304struct snd_seq_event_bounce {
305 int err;
306 struct snd_seq_event event;
307 /* external data follows here. */
308};
309
310
311 /* system information */
312struct snd_seq_system_info {
313 int queues; /* maximum queues count */
314 int clients; /* maximum clients count */
315 int ports; /* maximum ports per client */
316 int channels; /* maximum channels per port */
317 int cur_clients; /* current clients */
318 int cur_queues; /* current queues */
319 char reserved[24];
320};
321
322
323 /* system running information */
324struct snd_seq_running_info {
325 unsigned char client; /* client id */
326 unsigned char big_endian; /* 1 = big-endian */
327 unsigned char cpu_mode; /* 4 = 32bit, 8 = 64bit */
328 unsigned char pad; /* reserved */
329 unsigned char reserved[12];
330};
331
332
333 /* known client numbers */
334#define SNDRV_SEQ_CLIENT_SYSTEM 0
335 /* internal client numbers */
336#define SNDRV_SEQ_CLIENT_DUMMY 14 /* midi through */
337#define SNDRV_SEQ_CLIENT_OSS 15 /* oss sequencer emulator */
338
339
340 /* client types */
341typedef int __bitwise snd_seq_client_type_t;
342#define NO_CLIENT ((__force snd_seq_client_type_t) 0)
343#define USER_CLIENT ((__force snd_seq_client_type_t) 1)
344#define KERNEL_CLIENT ((__force snd_seq_client_type_t) 2)
345
346 /* event filter flags */
347#define SNDRV_SEQ_FILTER_BROADCAST (1<<0) /* accept broadcast messages */
348#define SNDRV_SEQ_FILTER_MULTICAST (1<<1) /* accept multicast messages */
349#define SNDRV_SEQ_FILTER_BOUNCE (1<<2) /* accept bounce event in error */
350#define SNDRV_SEQ_FILTER_USE_EVENT (1<<31) /* use event filter */
351
352struct snd_seq_client_info {
353 int client; /* client number to inquire */
354 snd_seq_client_type_t type; /* client type */
355 char name[64]; /* client name */
356 unsigned int filter; /* filter flags */
357 unsigned char multicast_filter[8]; /* multicast filter bitmap */
358 unsigned char event_filter[32]; /* event filter bitmap */
359 int num_ports; /* RO: number of ports */
360 int event_lost; /* number of lost events */
Martin Koeglera1ce94d2016-03-02 19:26:28 +0100361 int card; /* RO: card number[kernel] */
362 int pid; /* RO: pid[user] */
363 char reserved[56]; /* for future use */
David Howells674e95c2012-10-09 09:49:13 +0100364};
365
366
367/* client pool size */
368struct snd_seq_client_pool {
369 int client; /* client number to inquire */
370 int output_pool; /* outgoing (write) pool size */
371 int input_pool; /* incoming (read) pool size */
372 int output_room; /* minimum free pool size for select/blocking mode */
373 int output_free; /* unused size */
374 int input_free; /* unused size */
375 char reserved[64];
376};
377
378
379/* Remove events by specified criteria */
380
381#define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */
382#define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */
383#define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */
384#define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */
385#define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */
386#define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */
387#define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */
388#define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */
389#define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */
390#define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */
391
392struct snd_seq_remove_events {
393 unsigned int remove_mode; /* Flags that determine what gets removed */
394
395 union snd_seq_timestamp time;
396
397 unsigned char queue; /* Queue for REMOVE_DEST */
398 struct snd_seq_addr dest; /* Address for REMOVE_DEST */
399 unsigned char channel; /* Channel for REMOVE_DEST */
400
401 int type; /* For REMOVE_EVENT_TYPE */
402 char tag; /* Tag for REMOVE_TAG */
403
404 int reserved[10]; /* To allow for future binary compatibility */
405
406};
407
408
409 /* known port numbers */
410#define SNDRV_SEQ_PORT_SYSTEM_TIMER 0
411#define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1
412
413 /* port capabilities (32 bits) */
414#define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */
415#define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */
416
417#define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2)
418#define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3)
419
420#define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4)
421
422#define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */
423#define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */
424#define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */
425
426 /* port type */
427#define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */
428#define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */
429#define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */
430#define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */
431#define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */
432#define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */
433#define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */
434
435/* other standards...*/
436#define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */
437#define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */
438#define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */
439/*...*/
440#define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16) /* driver for a hardware device */
441#define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17) /* implemented in software */
442#define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */
443#define SNDRV_SEQ_PORT_TYPE_PORT (1<<19) /* connects to other device(s) */
444#define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */
445
446/* misc. conditioning flags */
447#define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0)
448#define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1)
449#define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2)
450
451struct snd_seq_port_info {
452 struct snd_seq_addr addr; /* client/port numbers */
453 char name[64]; /* port name */
454
455 unsigned int capability; /* port capability bits */
456 unsigned int type; /* port type bits */
457 int midi_channels; /* channels per MIDI port */
458 int midi_voices; /* voices per MIDI port */
459 int synth_voices; /* voices per SYNTH port */
460
461 int read_use; /* R/O: subscribers for output (from this port) */
462 int write_use; /* R/O: subscribers for input (to this port) */
463
464 void *kernel; /* reserved for kernel use (must be NULL) */
465 unsigned int flags; /* misc. conditioning */
466 unsigned char time_queue; /* queue # for timestamping */
467 char reserved[59]; /* for future use */
468};
469
470
471/* queue flags */
472#define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */
473
474/* queue information */
475struct snd_seq_queue_info {
476 int queue; /* queue id */
477
478 /*
479 * security settings, only owner of this queue can start/stop timer
480 * etc. if the queue is locked for other clients
481 */
482 int owner; /* client id for owner of the queue */
483 unsigned locked:1; /* timing queue locked for other queues */
484 char name[64]; /* name of this queue */
485 unsigned int flags; /* flags */
486 char reserved[60]; /* for future use */
487
488};
489
490/* queue info/status */
491struct snd_seq_queue_status {
492 int queue; /* queue id */
493 int events; /* read-only - queue size */
494 snd_seq_tick_time_t tick; /* current tick */
495 struct snd_seq_real_time time; /* current time */
496 int running; /* running state of queue */
497 int flags; /* various flags */
498 char reserved[64]; /* for the future */
499};
500
501
502/* queue tempo */
503struct snd_seq_queue_tempo {
504 int queue; /* sequencer queue */
505 unsigned int tempo; /* current tempo, us/tick */
506 int ppq; /* time resolution, ticks/quarter */
507 unsigned int skew_value; /* queue skew */
508 unsigned int skew_base; /* queue skew base */
509 char reserved[24]; /* for the future */
510};
511
512
513/* sequencer timer sources */
514#define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */
515#define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */
516#define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */
517
518/* queue timer info */
519struct snd_seq_queue_timer {
520 int queue; /* sequencer queue */
521 int type; /* source timer type */
522 union {
523 struct {
524 struct snd_timer_id id; /* ALSA's timer ID */
525 unsigned int resolution; /* resolution in Hz */
526 } alsa;
527 } u;
528 char reserved[64]; /* for the future use */
529};
530
531
532struct snd_seq_queue_client {
533 int queue; /* sequencer queue */
534 int client; /* sequencer client */
535 int used; /* queue is used with this client
536 (must be set for accepting events) */
537 /* per client watermarks */
538 char reserved[64]; /* for future use */
539};
540
541
542#define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */
543#define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1)
544#define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2)
545
546struct snd_seq_port_subscribe {
547 struct snd_seq_addr sender; /* sender address */
548 struct snd_seq_addr dest; /* destination address */
549 unsigned int voices; /* number of voices to be allocated (0 = don't care) */
550 unsigned int flags; /* modes */
551 unsigned char queue; /* input time-stamp queue (optional) */
552 unsigned char pad[3]; /* reserved */
553 char reserved[64];
554};
555
556/* type of query subscription */
557#define SNDRV_SEQ_QUERY_SUBS_READ 0
558#define SNDRV_SEQ_QUERY_SUBS_WRITE 1
559
560struct snd_seq_query_subs {
561 struct snd_seq_addr root; /* client/port id to be searched */
562 int type; /* READ or WRITE */
563 int index; /* 0..N-1 */
564 int num_subs; /* R/O: number of subscriptions on this port */
565 struct snd_seq_addr addr; /* R/O: result */
566 unsigned char queue; /* R/O: result */
567 unsigned int flags; /* R/O: result */
568 char reserved[64]; /* for future use */
569};
570
571
572/*
573 * IOCTL commands
574 */
575
576#define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int)
577#define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int)
578#define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info)
579#define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info)
580
581#define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info)
582#define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info)
583
584#define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info)
585#define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info)
586#define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info)
587#define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info)
588
589#define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe)
590#define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe)
591
592#define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info)
593#define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info)
594#define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info)
595#define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info)
596#define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info)
597#define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status)
598#define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo)
599#define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo)
David Howells674e95c2012-10-09 09:49:13 +0100600#define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer)
601#define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer)
David Howells674e95c2012-10-09 09:49:13 +0100602#define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client)
603#define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client)
604#define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool)
605#define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool)
606#define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events)
607#define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs)
608#define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe)
609#define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info)
610#define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info)
611
612#endif /* _UAPI__SOUND_ASEQUENCER_H */