source: GPL/trunk/alsa-kernel/include/uapi/sound/asequencer.h

Last change on this file was 777, checked in by David Azarewicz, 7 months ago

Merge from uniaud32-exp branch
File size: 24.0 KB
Line 
1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2/*
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#ifndef _UAPI__SOUND_ASEQUENCER_H
8#define _UAPI__SOUND_ASEQUENCER_H
9
10#include <sound/asound.h>
11
12/** version of the sequencer */
13#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 4)
14
15/**
16 * definition of sequencer event types
17 */
18
19/** system messages
20 * event data type = #snd_seq_result
21 */
22#define SNDRV_SEQ_EVENT_SYSTEM 0
23#define SNDRV_SEQ_EVENT_RESULT 1
24
25/** note messages (channel specific)
26 * event data type = #snd_seq_ev_note
27 */
28#define SNDRV_SEQ_EVENT_NOTE 5
29#define SNDRV_SEQ_EVENT_NOTEON 6
30#define SNDRV_SEQ_EVENT_NOTEOFF 7
31#define SNDRV_SEQ_EVENT_KEYPRESS 8
32
33/** control messages (channel specific)
34 * event data type = #snd_seq_ev_ctrl
35 */
36#define SNDRV_SEQ_EVENT_CONTROLLER 10
37#define SNDRV_SEQ_EVENT_PGMCHANGE 11
38#define SNDRV_SEQ_EVENT_CHANPRESS 12
39#define SNDRV_SEQ_EVENT_PITCHBEND 13 /**< from -8192 to 8191 */
40#define SNDRV_SEQ_EVENT_CONTROL14 14 /**< 14 bit controller value */
41#define SNDRV_SEQ_EVENT_NONREGPARAM 15 /**< 14 bit NRPN address + 14 bit unsigned value */
42#define SNDRV_SEQ_EVENT_REGPARAM 16 /**< 14 bit RPN address + 14 bit unsigned value */
43
44/** synchronisation messages
45 * event data type = #snd_seq_ev_ctrl
46 */
47#define SNDRV_SEQ_EVENT_SONGPOS 20 /* Song Position Pointer with LSB and MSB values */
48#define SNDRV_SEQ_EVENT_SONGSEL 21 /* Song Select with song ID number */
49#define SNDRV_SEQ_EVENT_QFRAME 22 /* midi time code quarter frame */
50#define SNDRV_SEQ_EVENT_TIMESIGN 23 /* SMF Time Signature event */
51#define SNDRV_SEQ_EVENT_KEYSIGN 24 /* SMF Key Signature event */
52
53/** timer messages
54 * event data type = snd_seq_ev_queue_control
55 */
56#define SNDRV_SEQ_EVENT_START 30 /* midi Real Time Start message */
57#define SNDRV_SEQ_EVENT_CONTINUE 31 /* midi Real Time Continue message */
58#define SNDRV_SEQ_EVENT_STOP 32 /* midi Real Time Stop message */
59#define SNDRV_SEQ_EVENT_SETPOS_TICK 33 /* set tick queue position */
60#define SNDRV_SEQ_EVENT_SETPOS_TIME 34 /* set realtime queue position */
61#define SNDRV_SEQ_EVENT_TEMPO 35 /* (SMF) Tempo event */
62#define SNDRV_SEQ_EVENT_CLOCK 36 /* midi Real Time Clock message */
63#define SNDRV_SEQ_EVENT_TICK 37 /* midi Real Time Tick message */
64#define SNDRV_SEQ_EVENT_QUEUE_SKEW 38 /* skew queue tempo */
65
66/** others
67 * event data type = none
68 */
69#define SNDRV_SEQ_EVENT_TUNE_REQUEST 40 /* tune request */
70#define SNDRV_SEQ_EVENT_RESET 41 /* reset to power-on state */
71#define SNDRV_SEQ_EVENT_SENSING 42 /* "active sensing" event */
72
73/** echo back, kernel private messages
74 * event data type = any type
75 */
76#define SNDRV_SEQ_EVENT_ECHO 50 /* echo event */
77#define SNDRV_SEQ_EVENT_OSS 51 /* OSS raw event */
78
79/** system status messages (broadcast for subscribers)
80 * event data type = snd_seq_addr
81 */
82#define SNDRV_SEQ_EVENT_CLIENT_START 60 /* new client has connected */
83#define SNDRV_SEQ_EVENT_CLIENT_EXIT 61 /* client has left the system */
84#define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62 /* client status/info has changed */
85#define SNDRV_SEQ_EVENT_PORT_START 63 /* new port was created */
86#define SNDRV_SEQ_EVENT_PORT_EXIT 64 /* port was deleted from system */
87#define SNDRV_SEQ_EVENT_PORT_CHANGE 65 /* port status/info has changed */
88
89/** port connection changes
90 * event data type = snd_seq_connect
91 */
92#define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */
93#define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */
94
95/* 70-89: synthesizer events - obsoleted */
96
97/** user-defined events with fixed length
98 * event data type = any
99 */
100#define SNDRV_SEQ_EVENT_USR0 90
101#define SNDRV_SEQ_EVENT_USR1 91
102#define SNDRV_SEQ_EVENT_USR2 92
103#define SNDRV_SEQ_EVENT_USR3 93
104#define SNDRV_SEQ_EVENT_USR4 94
105#define SNDRV_SEQ_EVENT_USR5 95
106#define SNDRV_SEQ_EVENT_USR6 96
107#define SNDRV_SEQ_EVENT_USR7 97
108#define SNDRV_SEQ_EVENT_USR8 98
109#define SNDRV_SEQ_EVENT_USR9 99
110
111/* 100-118: instrument layer - obsoleted */
112/* 119-129: reserved */
113
114/* 130-139: variable length events
115 * event data type = snd_seq_ev_ext
116 * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set)
117 */
118#define SNDRV_SEQ_EVENT_SYSEX 130 /* system exclusive data (variable length) */
119#define SNDRV_SEQ_EVENT_BOUNCE 131 /* error event */
120/* 132-134: reserved */
121#define SNDRV_SEQ_EVENT_USR_VAR0 135
122#define SNDRV_SEQ_EVENT_USR_VAR1 136
123#define SNDRV_SEQ_EVENT_USR_VAR2 137
124#define SNDRV_SEQ_EVENT_USR_VAR3 138
125#define SNDRV_SEQ_EVENT_USR_VAR4 139
126
127/* 150-151: kernel events with quote - DO NOT use in user clients */
128#define SNDRV_SEQ_EVENT_KERNEL_ERROR 150
129#define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151 /* obsolete */
130
131/* 152-191: reserved */
132
133/* 192-254: hardware specific events */
134
135/* 255: special event */
136#define SNDRV_SEQ_EVENT_NONE 255
137
138
139typedef unsigned char snd_seq_event_type_t;
140
141/** event address */
142struct snd_seq_addr {
143 unsigned char client; /**< Client number: 0..255, 255 = broadcast to all clients */
144 unsigned char port; /**< Port within client: 0..255, 255 = broadcast to all ports */
145};
146
147/** port connection */
148struct snd_seq_connect {
149 struct snd_seq_addr sender;
150 struct snd_seq_addr dest;
151};
152
153
154#define SNDRV_SEQ_ADDRESS_UNKNOWN 253 /* unknown source */
155#define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254 /* send event to all subscribed ports */
156#define SNDRV_SEQ_ADDRESS_BROADCAST 255 /* send event to all queues/clients/ports/channels */
157#define SNDRV_SEQ_QUEUE_DIRECT 253 /* direct dispatch */
158
159 /* event mode flag - NOTE: only 8 bits available! */
160#define SNDRV_SEQ_TIME_STAMP_TICK (0<<0) /* timestamp in clock ticks */
161#define SNDRV_SEQ_TIME_STAMP_REAL (1<<0) /* timestamp in real time */
162#define SNDRV_SEQ_TIME_STAMP_MASK (1<<0)
163
164#define SNDRV_SEQ_TIME_MODE_ABS (0<<1) /* absolute timestamp */
165#define SNDRV_SEQ_TIME_MODE_REL (1<<1) /* relative to current time */
166#define SNDRV_SEQ_TIME_MODE_MASK (1<<1)
167
168#define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2) /* fixed event size */
169#define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /* variable event size */
170#define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2) /* variable event size - user memory space */
171#define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2)
172
173#define SNDRV_SEQ_PRIORITY_NORMAL (0<<4) /* normal priority */
174#define SNDRV_SEQ_PRIORITY_HIGH (1<<4) /* event should be processed before others */
175#define SNDRV_SEQ_PRIORITY_MASK (1<<4)
176
177#define SNDRV_SEQ_EVENT_UMP (1<<5) /* event holds a UMP packet */
178
179 /* note event */
180struct snd_seq_ev_note {
181 unsigned char channel;
182 unsigned char note;
183 unsigned char velocity;
184 unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */
185 unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */
186};
187
188 /* controller event */
189struct snd_seq_ev_ctrl {
190 unsigned char channel;
191 unsigned char unused1, unused2, unused3; /* pad */
192 unsigned int param;
193 signed int value;
194};
195
196 /* generic set of bytes (12x8 bit) */
197struct snd_seq_ev_raw8 {
198 unsigned char d[12]; /* 8 bit value */
199};
200
201 /* generic set of integers (3x32 bit) */
202struct snd_seq_ev_raw32 {
203 unsigned int d[3]; /* 32 bit value */
204};
205
206 /* external stored data */
207#ifndef TARGET_OS2
208struct snd_seq_ev_ext {
209 unsigned int len; /* length of data */
210 void *ptr; /* pointer to data (note: maybe 64-bit) */
211} __packed;
212#else
213#pragma pack(1)
214struct snd_seq_ev_ext {
215 unsigned int len; /* length of data */
216 void *ptr; /* pointer to data (note: maybe 64-bit) */
217};
218#pragma pack()
219#endif
220
221struct snd_seq_result {
222 int event; /* processed event type */
223 int result;
224};
225
226
227struct snd_seq_real_time {
228 unsigned int tv_sec; /* seconds */
229 unsigned int tv_nsec; /* nanoseconds */
230};
231
232typedef unsigned int snd_seq_tick_time_t; /* midi ticks */
233
234union snd_seq_timestamp {
235 snd_seq_tick_time_t tick;
236 struct snd_seq_real_time time;
237};
238
239struct snd_seq_queue_skew {
240 unsigned int value;
241 unsigned int base;
242};
243
244 /* queue timer control */
245struct snd_seq_ev_queue_control {
246 unsigned char queue; /* affected queue */
247 unsigned char pad[3]; /* reserved */
248 union {
249 signed int value; /* affected value (e.g. tempo) */
250 union snd_seq_timestamp time; /* time */
251 unsigned int position; /* sync position */
252 struct snd_seq_queue_skew skew;
253 unsigned int d32[2];
254 unsigned char d8[8];
255 } param;
256};
257
258 /* quoted event - inside the kernel only */
259#ifndef TARGET_OS2
260struct snd_seq_ev_quote {
261 struct snd_seq_addr origin; /* original sender */
262 unsigned short value; /* optional data */
263 struct snd_seq_event *event; /* quoted event */
264} __packed;
265#else
266#pragma pack(1)
267struct snd_seq_ev_quote {
268 struct snd_seq_addr origin; /* original sender */
269 unsigned short value; /* optional data */
270 struct snd_seq_event *event; /* quoted event */
271};
272#pragma pack()
273#endif
274
275union snd_seq_event_data { /* event data... */
276 struct snd_seq_ev_note note;
277 struct snd_seq_ev_ctrl control;
278 struct snd_seq_ev_raw8 raw8;
279 struct snd_seq_ev_raw32 raw32;
280 struct snd_seq_ev_ext ext;
281 struct snd_seq_ev_queue_control queue;
282 union snd_seq_timestamp time;
283 struct snd_seq_addr addr;
284 struct snd_seq_connect connect;
285 struct snd_seq_result result;
286 struct snd_seq_ev_quote quote;
287};
288
289 /* sequencer event */
290struct snd_seq_event {
291 snd_seq_event_type_t type; /* event type */
292 unsigned char flags; /* event flags */
293 char tag;
294
295 unsigned char queue; /* schedule queue */
296 union snd_seq_timestamp time; /* schedule time */
297
298 struct snd_seq_addr source; /* source address */
299 struct snd_seq_addr dest; /* destination address */
300
301 union snd_seq_event_data data;
302};
303
304 /* (compatible) event for UMP-capable clients */
305struct snd_seq_ump_event {
306 snd_seq_event_type_t type; /* event type */
307 unsigned char flags; /* event flags */
308 char tag;
309 unsigned char queue; /* schedule queue */
310 union snd_seq_timestamp time; /* schedule time */
311 struct snd_seq_addr source; /* source address */
312 struct snd_seq_addr dest; /* destination address */
313
314 union {
315 union snd_seq_event_data data;
316 unsigned int ump[4];
317 };
318};
319
320/*
321 * bounce event - stored as variable size data
322 */
323struct snd_seq_event_bounce {
324 int err;
325 struct snd_seq_event event;
326 /* external data follows here. */
327};
328
329
330 /* system information */
331struct snd_seq_system_info {
332 int queues; /* maximum queues count */
333 int clients; /* maximum clients count */
334 int ports; /* maximum ports per client */
335 int channels; /* maximum channels per port */
336 int cur_clients; /* current clients */
337 int cur_queues; /* current queues */
338 char reserved[24];
339};
340
341
342 /* system running information */
343struct snd_seq_running_info {
344 unsigned char client; /* client id */
345 unsigned char big_endian; /* 1 = big-endian */
346 unsigned char cpu_mode; /* 4 = 32bit, 8 = 64bit */
347 unsigned char pad; /* reserved */
348 unsigned char reserved[12];
349};
350
351
352 /* known client numbers */
353#define SNDRV_SEQ_CLIENT_SYSTEM 0
354 /* internal client numbers */
355#define SNDRV_SEQ_CLIENT_DUMMY 14 /* midi through */
356#define SNDRV_SEQ_CLIENT_OSS 15 /* oss sequencer emulator */
357
358
359 /* client types */
360typedef int __bitwise snd_seq_client_type_t;
361#define NO_CLIENT ((__force snd_seq_client_type_t) 0)
362#define USER_CLIENT ((__force snd_seq_client_type_t) 1)
363#define KERNEL_CLIENT ((__force snd_seq_client_type_t) 2)
364
365 /* event filter flags */
366#define SNDRV_SEQ_FILTER_BROADCAST (1U<<0) /* accept broadcast messages */
367#define SNDRV_SEQ_FILTER_MULTICAST (1U<<1) /* accept multicast messages */
368#define SNDRV_SEQ_FILTER_BOUNCE (1U<<2) /* accept bounce event in error */
369#define SNDRV_SEQ_FILTER_NO_CONVERT (1U<<30) /* don't convert UMP events */
370#define SNDRV_SEQ_FILTER_USE_EVENT (1U<<31) /* use event filter */
371
372struct snd_seq_client_info {
373 int client; /* client number to inquire */
374 snd_seq_client_type_t type; /* client type */
375 char name[64]; /* client name */
376 unsigned int filter; /* filter flags */
377 unsigned char multicast_filter[8]; /* multicast filter bitmap */
378 unsigned char event_filter[32]; /* event filter bitmap */
379 int num_ports; /* RO: number of ports */
380 int event_lost; /* number of lost events */
381 int card; /* RO: card number[kernel] */
382 int pid; /* RO: pid[user] */
383 unsigned int midi_version; /* MIDI version */
384 unsigned int group_filter; /* UMP group filter bitmap
385 * (bit 0 = groupless messages,
386 * bit 1-16 = messages for groups 1-16)
387 */
388 char reserved[48]; /* for future use */
389};
390
391/* MIDI version numbers in client info */
392#define SNDRV_SEQ_CLIENT_LEGACY_MIDI 0 /* Legacy client */
393#define SNDRV_SEQ_CLIENT_UMP_MIDI_1_0 1 /* UMP MIDI 1.0 */
394#define SNDRV_SEQ_CLIENT_UMP_MIDI_2_0 2 /* UMP MIDI 2.0 */
395
396/* client pool size */
397struct snd_seq_client_pool {
398 int client; /* client number to inquire */
399 int output_pool; /* outgoing (write) pool size */
400 int input_pool; /* incoming (read) pool size */
401 int output_room; /* minimum free pool size for select/blocking mode */
402 int output_free; /* unused size */
403 int input_free; /* unused size */
404 char reserved[64];
405};
406
407
408/* Remove events by specified criteria */
409
410#define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */
411#define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */
412#define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */
413#define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */
414#define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */
415#define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */
416#define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */
417#define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */
418#define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */
419#define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */
420
421struct snd_seq_remove_events {
422 unsigned int remove_mode; /* Flags that determine what gets removed */
423
424 union snd_seq_timestamp time;
425
426 unsigned char queue; /* Queue for REMOVE_DEST */
427 struct snd_seq_addr dest; /* Address for REMOVE_DEST */
428 unsigned char channel; /* Channel for REMOVE_DEST */
429
430 int type; /* For REMOVE_EVENT_TYPE */
431 char tag; /* Tag for REMOVE_TAG */
432
433 int reserved[10]; /* To allow for future binary compatibility */
434
435};
436
437
438 /* known port numbers */
439#define SNDRV_SEQ_PORT_SYSTEM_TIMER 0
440#define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1
441
442 /* port capabilities (32 bits) */
443#define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */
444#define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */
445
446#define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2)
447#define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3)
448
449#define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4)
450
451#define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */
452#define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */
453#define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */
454#define SNDRV_SEQ_PORT_CAP_INACTIVE (1<<8) /* inactive port */
455#define SNDRV_SEQ_PORT_CAP_UMP_ENDPOINT (1<<9) /* MIDI 2.0 UMP Endpoint port */
456
457 /* port type */
458#define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */
459#define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */
460#define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */
461#define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */
462#define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */
463#define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */
464#define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */
465#define SNDRV_SEQ_PORT_TYPE_MIDI_UMP (1<<7) /* UMP */
466
467/* other standards...*/
468#define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */
469#define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */
470#define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */
471/*...*/
472#define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16) /* driver for a hardware device */
473#define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17) /* implemented in software */
474#define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */
475#define SNDRV_SEQ_PORT_TYPE_PORT (1<<19) /* connects to other device(s) */
476#define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */
477
478/* misc. conditioning flags */
479#define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0)
480#define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1)
481#define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2)
482
483#define SNDRV_SEQ_PORT_FLG_IS_MIDI1 (1<<3) /* Keep MIDI 1.0 protocol */
484
485/* port direction */
486#define SNDRV_SEQ_PORT_DIR_UNKNOWN 0
487#define SNDRV_SEQ_PORT_DIR_INPUT 1
488#define SNDRV_SEQ_PORT_DIR_OUTPUT 2
489#define SNDRV_SEQ_PORT_DIR_BIDIRECTION 3
490
491struct snd_seq_port_info {
492 struct snd_seq_addr addr; /* client/port numbers */
493 char name[64]; /* port name */
494
495 unsigned int capability; /* port capability bits */
496 unsigned int type; /* port type bits */
497 int midi_channels; /* channels per MIDI port */
498 int midi_voices; /* voices per MIDI port */
499 int synth_voices; /* voices per SYNTH port */
500
501 int read_use; /* R/O: subscribers for output (from this port) */
502 int write_use; /* R/O: subscribers for input (to this port) */
503
504 void *kernel; /* reserved for kernel use (must be NULL) */
505 unsigned int flags; /* misc. conditioning */
506 unsigned char time_queue; /* queue # for timestamping */
507 unsigned char direction; /* port usage direction (r/w/bidir) */
508 unsigned char ump_group; /* 0 = UMP EP (no conversion), 1-16 = UMP group number */
509 char reserved[57]; /* for future use */
510};
511
512
513/* queue flags */
514#define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */
515
516/* queue information */
517struct snd_seq_queue_info {
518 int queue; /* queue id */
519
520 /*
521 * security settings, only owner of this queue can start/stop timer
522 * etc. if the queue is locked for other clients
523 */
524 int owner; /* client id for owner of the queue */
525 unsigned locked:1; /* timing queue locked for other queues */
526 char name[64]; /* name of this queue */
527 unsigned int flags; /* flags */
528 char reserved[60]; /* for future use */
529
530};
531
532/* queue info/status */
533struct snd_seq_queue_status {
534 int queue; /* queue id */
535 int events; /* read-only - queue size */
536 snd_seq_tick_time_t tick; /* current tick */
537 struct snd_seq_real_time time; /* current time */
538 int running; /* running state of queue */
539 int flags; /* various flags */
540 char reserved[64]; /* for the future */
541};
542
543
544/* queue tempo */
545struct snd_seq_queue_tempo {
546 int queue; /* sequencer queue */
547 unsigned int tempo; /* current tempo, us/tick (or different time-base below) */
548 int ppq; /* time resolution, ticks/quarter */
549 unsigned int skew_value; /* queue skew */
550 unsigned int skew_base; /* queue skew base */
551 unsigned short tempo_base; /* tempo base in nsec unit; either 10 or 1000 */
552 char reserved[22]; /* for the future */
553};
554
555
556/* sequencer timer sources */
557#define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */
558#define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */
559#define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */
560
561/* queue timer info */
562struct snd_seq_queue_timer {
563 int queue; /* sequencer queue */
564 int type; /* source timer type */
565 union {
566 struct {
567 struct snd_timer_id id; /* ALSA's timer ID */
568 unsigned int resolution; /* resolution in Hz */
569 } alsa;
570 } u;
571 char reserved[64]; /* for the future use */
572};
573
574
575struct snd_seq_queue_client {
576 int queue; /* sequencer queue */
577 int client; /* sequencer client */
578 int used; /* queue is used with this client
579 (must be set for accepting events) */
580 /* per client watermarks */
581 char reserved[64]; /* for future use */
582};
583
584
585#define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */
586#define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1)
587#define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2)
588
589struct snd_seq_port_subscribe {
590 struct snd_seq_addr sender; /* sender address */
591 struct snd_seq_addr dest; /* destination address */
592 unsigned int voices; /* number of voices to be allocated (0 = don't care) */
593 unsigned int flags; /* modes */
594 unsigned char queue; /* input time-stamp queue (optional) */
595 unsigned char pad[3]; /* reserved */
596 char reserved[64];
597};
598
599/* type of query subscription */
600#define SNDRV_SEQ_QUERY_SUBS_READ 0
601#define SNDRV_SEQ_QUERY_SUBS_WRITE 1
602
603struct snd_seq_query_subs {
604 struct snd_seq_addr root; /* client/port id to be searched */
605 int type; /* READ or WRITE */
606 int index; /* 0..N-1 */
607 int num_subs; /* R/O: number of subscriptions on this port */
608 struct snd_seq_addr addr; /* R/O: result */
609 unsigned char queue; /* R/O: result */
610 unsigned int flags; /* R/O: result */
611 char reserved[64]; /* for future use */
612};
613
614/*
615 * UMP-specific information
616 */
617/* type of UMP info query */
618#define SNDRV_SEQ_CLIENT_UMP_INFO_ENDPOINT 0
619#define SNDRV_SEQ_CLIENT_UMP_INFO_BLOCK 1
620
621struct snd_seq_client_ump_info {
622 int client; /* client number to inquire/set */
623 int type; /* type to inquire/set */
624 unsigned char info[512]; /* info (either UMP ep or block info) */
625} __packed;
626
627/*
628 * IOCTL commands
629 */
630
631#define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int)
632#define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int)
633#define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info)
634#define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info)
635#define SNDRV_SEQ_IOCTL_USER_PVERSION _IOW('S', 0x04, int)
636
637#define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info)
638#define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info)
639#define SNDRV_SEQ_IOCTL_GET_CLIENT_UMP_INFO _IOWR('S', 0x12, struct snd_seq_client_ump_info)
640#define SNDRV_SEQ_IOCTL_SET_CLIENT_UMP_INFO _IOWR('S', 0x13, struct snd_seq_client_ump_info)
641
642#define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info)
643#define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info)
644#define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info)
645#define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info)
646
647#define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe)
648#define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe)
649
650#define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info)
651#define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info)
652#define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info)
653#define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info)
654#define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info)
655#define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status)
656#define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo)
657#define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo)
658#define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer)
659#define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer)
660#define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client)
661#define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client)
662#define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool)
663#define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool)
664#define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events)
665#define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs)
666#define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe)
667#define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info)
668#define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info)
669
670#endif /* _UAPI__SOUND_ASEQUENCER_H */
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