1/*
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
25
26/** version of the sequencer */
27#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION (1, 0, 1)
28
29/**
30 * definition of sequencer event types
31 */
32
33/** system messages
34 * event data type = #snd_seq_result
35 */
36#define SNDRV_SEQ_EVENT_SYSTEM		0
37#define SNDRV_SEQ_EVENT_RESULT		1
38
39/** note messages (channel specific)
40 * event data type = #snd_seq_ev_note
41 */
42#define SNDRV_SEQ_EVENT_NOTE		5
43#define SNDRV_SEQ_EVENT_NOTEON		6
44#define SNDRV_SEQ_EVENT_NOTEOFF		7
45#define SNDRV_SEQ_EVENT_KEYPRESS	8
46
47/** control messages (channel specific)
48 * event data type = #snd_seq_ev_ctrl
49 */
50#define SNDRV_SEQ_EVENT_CONTROLLER	10
51#define SNDRV_SEQ_EVENT_PGMCHANGE	11
52#define SNDRV_SEQ_EVENT_CHANPRESS	12
53#define SNDRV_SEQ_EVENT_PITCHBEND	13	/**< from -8192 to 8191 */
54#define SNDRV_SEQ_EVENT_CONTROL14	14	/**< 14 bit controller value */
55#define SNDRV_SEQ_EVENT_NONREGPARAM	15	/**< 14 bit NRPN address + 14 bit unsigned value */
56#define SNDRV_SEQ_EVENT_REGPARAM	16	/**< 14 bit RPN address + 14 bit unsigned value */
57
58/** synchronisation messages
59 * event data type = #snd_seq_ev_ctrl
60 */
61#define SNDRV_SEQ_EVENT_SONGPOS		20	/* Song Position Pointer with LSB and MSB values */
62#define SNDRV_SEQ_EVENT_SONGSEL		21	/* Song Select with song ID number */
63#define SNDRV_SEQ_EVENT_QFRAME		22	/* midi time code quarter frame */
64#define SNDRV_SEQ_EVENT_TIMESIGN	23	/* SMF Time Signature event */
65#define SNDRV_SEQ_EVENT_KEYSIGN		24	/* SMF Key Signature event */
66
67/** timer messages
68 * event data type = snd_seq_ev_queue_control
69 */
70#define SNDRV_SEQ_EVENT_START		30	/* midi Real Time Start message */
71#define SNDRV_SEQ_EVENT_CONTINUE	31	/* midi Real Time Continue message */
72#define SNDRV_SEQ_EVENT_STOP		32	/* midi Real Time Stop message */
73#define	SNDRV_SEQ_EVENT_SETPOS_TICK	33	/* set tick queue position */
74#define SNDRV_SEQ_EVENT_SETPOS_TIME	34	/* set realtime queue position */
75#define SNDRV_SEQ_EVENT_TEMPO		35	/* (SMF) Tempo event */
76#define SNDRV_SEQ_EVENT_CLOCK		36	/* midi Real Time Clock message */
77#define SNDRV_SEQ_EVENT_TICK		37	/* midi Real Time Tick message */
78#define SNDRV_SEQ_EVENT_QUEUE_SKEW	38	/* skew queue tempo */
79
80/** others
81 * event data type = none
82 */
83#define SNDRV_SEQ_EVENT_TUNE_REQUEST	40	/* tune request */
84#define SNDRV_SEQ_EVENT_RESET		41	/* reset to power-on state */
85#define SNDRV_SEQ_EVENT_SENSING		42	/* "active sensing" event */
86
87/** echo back, kernel private messages
88 * event data type = any type
89 */
90#define SNDRV_SEQ_EVENT_ECHO		50	/* echo event */
91#define SNDRV_SEQ_EVENT_OSS		51	/* OSS raw event */
92
93/** system status messages (broadcast for subscribers)
94 * event data type = snd_seq_addr
95 */
96#define SNDRV_SEQ_EVENT_CLIENT_START	60	/* new client has connected */
97#define SNDRV_SEQ_EVENT_CLIENT_EXIT	61	/* client has left the system */
98#define SNDRV_SEQ_EVENT_CLIENT_CHANGE	62	/* client status/info has changed */
99#define SNDRV_SEQ_EVENT_PORT_START	63	/* new port was created */
100#define SNDRV_SEQ_EVENT_PORT_EXIT	64	/* port was deleted from system */
101#define SNDRV_SEQ_EVENT_PORT_CHANGE	65	/* port status/info has changed */
102
103/** port connection changes
104 * event data type = snd_seq_connect
105 */
106#define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED	66	/* ports connected */
107#define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67	/* ports disconnected */
108
109/* 70-89:  synthesizer events - obsoleted */
110
111/** user-defined events with fixed length
112 * event data type = any
113 */
114#define SNDRV_SEQ_EVENT_USR0		90
115#define SNDRV_SEQ_EVENT_USR1		91
116#define SNDRV_SEQ_EVENT_USR2		92
117#define SNDRV_SEQ_EVENT_USR3		93
118#define SNDRV_SEQ_EVENT_USR4		94
119#define SNDRV_SEQ_EVENT_USR5		95
120#define SNDRV_SEQ_EVENT_USR6		96
121#define SNDRV_SEQ_EVENT_USR7		97
122#define SNDRV_SEQ_EVENT_USR8		98
123#define SNDRV_SEQ_EVENT_USR9		99
124
125/* 100-118: instrument layer - obsoleted */
126/* 119-129: reserved */
127
128/* 130-139: variable length events
129 * event data type = snd_seq_ev_ext
130 * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set)
131 */
132#define SNDRV_SEQ_EVENT_SYSEX		130	/* system exclusive data (variable length) */
133#define SNDRV_SEQ_EVENT_BOUNCE		131	/* error event */
134/* 132-134: reserved */
135#define SNDRV_SEQ_EVENT_USR_VAR0	135
136#define SNDRV_SEQ_EVENT_USR_VAR1	136
137#define SNDRV_SEQ_EVENT_USR_VAR2	137
138#define SNDRV_SEQ_EVENT_USR_VAR3	138
139#define SNDRV_SEQ_EVENT_USR_VAR4	139
140
141/* 150-151: kernel events with quote - DO NOT use in user clients */
142#define SNDRV_SEQ_EVENT_KERNEL_ERROR	150
143#define SNDRV_SEQ_EVENT_KERNEL_QUOTE	151	/* obsolete */
144
145/* 152-191: reserved */
146
147/* 192-254: hardware specific events */
148
149/* 255: special event */
150#define SNDRV_SEQ_EVENT_NONE		255
151
152
153typedef unsigned char snd_seq_event_type_t;
154
155/** event address */
156struct snd_seq_addr {
157	unsigned char client;	/**< Client number:         0..255, 255 = broadcast to all clients */
158	unsigned char port;	/**< Port within client:    0..255, 255 = broadcast to all ports */
159};
160
161/** port connection */
162struct snd_seq_connect {
163	struct snd_seq_addr sender;
164	struct snd_seq_addr dest;
165};
166
167
168#define SNDRV_SEQ_ADDRESS_UNKNOWN	253	/* unknown source */
169#define SNDRV_SEQ_ADDRESS_SUBSCRIBERS	254	/* send event to all subscribed ports */
170#define SNDRV_SEQ_ADDRESS_BROADCAST	255	/* send event to all queues/clients/ports/channels */
171#define SNDRV_SEQ_QUEUE_DIRECT		253	/* direct dispatch */
172
173	/* event mode flag - NOTE: only 8 bits available! */
174#define SNDRV_SEQ_TIME_STAMP_TICK	(0<<0) /* timestamp in clock ticks */
175#define SNDRV_SEQ_TIME_STAMP_REAL	(1<<0) /* timestamp in real time */
176#define SNDRV_SEQ_TIME_STAMP_MASK	(1<<0)
177
178#define SNDRV_SEQ_TIME_MODE_ABS		(0<<1)	/* absolute timestamp */
179#define SNDRV_SEQ_TIME_MODE_REL		(1<<1)	/* relative to current time */
180#define SNDRV_SEQ_TIME_MODE_MASK	(1<<1)
181
182#define SNDRV_SEQ_EVENT_LENGTH_FIXED	(0<<2)	/* fixed event size */
183#define SNDRV_SEQ_EVENT_LENGTH_VARIABLE	(1<<2)	/* variable event size */
184#define SNDRV_SEQ_EVENT_LENGTH_VARUSR	(2<<2)	/* variable event size - user memory space */
185#define SNDRV_SEQ_EVENT_LENGTH_MASK	(3<<2)
186
187#define SNDRV_SEQ_PRIORITY_NORMAL	(0<<4)	/* normal priority */
188#define SNDRV_SEQ_PRIORITY_HIGH		(1<<4)	/* event should be processed before others */
189#define SNDRV_SEQ_PRIORITY_MASK		(1<<4)
190
191
192	/* note event */
193struct snd_seq_ev_note {
194	unsigned char channel;
195	unsigned char note;
196	unsigned char velocity;
197	unsigned char off_velocity;	/* only for SNDRV_SEQ_EVENT_NOTE */
198	unsigned int duration;		/* only for SNDRV_SEQ_EVENT_NOTE */
199};
200
201	/* controller event */
202struct snd_seq_ev_ctrl {
203	unsigned char channel;
204	unsigned char unused1, unused2, unused3;	/* pad */
205	unsigned int param;
206	signed int value;
207};
208
209	/* generic set of bytes (12x8 bit) */
210struct snd_seq_ev_raw8 {
211	unsigned char d[12];	/* 8 bit value */
212};
213
214	/* generic set of integers (3x32 bit) */
215struct snd_seq_ev_raw32 {
216	unsigned int d[3];	/* 32 bit value */
217};
218
219	/* external stored data */
220struct snd_seq_ev_ext {
221	unsigned int len;	/* length of data */
222	void *ptr;		/* pointer to data (note: maybe 64-bit) */
223} __attribute__((packed));
224
225struct snd_seq_result {
226	int event;		/* processed event type */
227	int result;
228};
229
230
231struct snd_seq_real_time {
232	unsigned int tv_sec;	/* seconds */
233	unsigned int tv_nsec;	/* nanoseconds */
234};
235
236typedef unsigned int snd_seq_tick_time_t;	/* midi ticks */
237
238union snd_seq_timestamp {
239	snd_seq_tick_time_t tick;
240	struct snd_seq_real_time time;
241};
242
243struct snd_seq_queue_skew {
244	unsigned int value;
245	unsigned int base;
246};
247
248	/* queue timer control */
249struct snd_seq_ev_queue_control {
250	unsigned char queue;			/* affected queue */
251	unsigned char pad[3];			/* reserved */
252	union {
253		signed int value;		/* affected value (e.g. tempo) */
254		union snd_seq_timestamp time;	/* time */
255		unsigned int position;		/* sync position */
256		struct snd_seq_queue_skew skew;
257		unsigned int d32[2];
258		unsigned char d8[8];
259	} param;
260};
261
262	/* quoted event - inside the kernel only */
263struct snd_seq_ev_quote {
264	struct snd_seq_addr origin;		/* original sender */
265	unsigned short value;		/* optional data */
266	struct snd_seq_event *event;		/* quoted event */
267} __attribute__((packed));
268
269
270	/* sequencer event */
271struct snd_seq_event {
272	snd_seq_event_type_t type;	/* event type */
273	unsigned char flags;		/* event flags */
274	char tag;
275
276	unsigned char queue;		/* schedule queue */
277	union snd_seq_timestamp time;	/* schedule time */
278
279
280	struct snd_seq_addr source;	/* source address */
281	struct snd_seq_addr dest;	/* destination address */
282
283	union {				/* event data... */
284		struct snd_seq_ev_note note;
285		struct snd_seq_ev_ctrl control;
286		struct snd_seq_ev_raw8 raw8;
287		struct snd_seq_ev_raw32 raw32;
288		struct snd_seq_ev_ext ext;
289		struct snd_seq_ev_queue_control queue;
290		union snd_seq_timestamp time;
291		struct snd_seq_addr addr;
292		struct snd_seq_connect connect;
293		struct snd_seq_result result;
294		struct snd_seq_ev_quote quote;
295	} data;
296};
297
298
299/*
300 * bounce event - stored as variable size data
301 */
302struct snd_seq_event_bounce {
303	int err;
304	struct snd_seq_event event;
305	/* external data follows here. */
306};
307
308
309	/* system information */
310struct snd_seq_system_info {
311	int queues;			/* maximum queues count */
312	int clients;			/* maximum clients count */
313	int ports;			/* maximum ports per client */
314	int channels;			/* maximum channels per port */
315	int cur_clients;		/* current clients */
316	int cur_queues;			/* current queues */
317	char reserved[24];
318};
319
320
321	/* system running information */
322struct snd_seq_running_info {
323	unsigned char client;		/* client id */
324	unsigned char big_endian;	/* 1 = big-endian */
325	unsigned char cpu_mode;		/* 4 = 32bit, 8 = 64bit */
326	unsigned char pad;		/* reserved */
327	unsigned char reserved[12];
328};
329
330
331	/* known client numbers */
332#define SNDRV_SEQ_CLIENT_SYSTEM		0
333	/* internal client numbers */
334#define SNDRV_SEQ_CLIENT_DUMMY		14	/* midi through */
335#define SNDRV_SEQ_CLIENT_OSS		15	/* oss sequencer emulator */
336
337
338	/* client types */
339typedef int __bitwise snd_seq_client_type_t;
340#define	NO_CLIENT	((__force snd_seq_client_type_t) 0)
341#define	USER_CLIENT	((__force snd_seq_client_type_t) 1)
342#define	KERNEL_CLIENT	((__force snd_seq_client_type_t) 2)
343
344	/* event filter flags */
345#define SNDRV_SEQ_FILTER_BROADCAST	(1<<0)	/* accept broadcast messages */
346#define SNDRV_SEQ_FILTER_MULTICAST	(1<<1)	/* accept multicast messages */
347#define SNDRV_SEQ_FILTER_BOUNCE		(1<<2)	/* accept bounce event in error */
348#define SNDRV_SEQ_FILTER_USE_EVENT	(1<<31)	/* use event filter */
349
350struct snd_seq_client_info {
351	int client;			/* client number to inquire */
352	snd_seq_client_type_t type;	/* client type */
353	char name[64];			/* client name */
354	unsigned int filter;		/* filter flags */
355	unsigned char multicast_filter[8]; /* multicast filter bitmap */
356	unsigned char event_filter[32];	/* event filter bitmap */
357	int num_ports;			/* RO: number of ports */
358	int event_lost;			/* number of lost events */
359	char reserved[64];		/* for future use */
360};
361
362
363/* client pool size */
364struct snd_seq_client_pool {
365	int client;			/* client number to inquire */
366	int output_pool;		/* outgoing (write) pool size */
367	int input_pool;			/* incoming (read) pool size */
368	int output_room;		/* minimum free pool size for select/blocking mode */
369	int output_free;		/* unused size */
370	int input_free;			/* unused size */
371	char reserved[64];
372};
373
374
375/* Remove events by specified criteria */
376
377#define SNDRV_SEQ_REMOVE_INPUT		(1<<0)	/* Flush input queues */
378#define SNDRV_SEQ_REMOVE_OUTPUT		(1<<1)	/* Flush output queues */
379#define SNDRV_SEQ_REMOVE_DEST		(1<<2)	/* Restrict by destination q:client:port */
380#define SNDRV_SEQ_REMOVE_DEST_CHANNEL	(1<<3)	/* Restrict by channel */
381#define SNDRV_SEQ_REMOVE_TIME_BEFORE	(1<<4)	/* Restrict to before time */
382#define SNDRV_SEQ_REMOVE_TIME_AFTER	(1<<5)	/* Restrict to time or after */
383#define SNDRV_SEQ_REMOVE_TIME_TICK	(1<<6)	/* Time is in ticks */
384#define SNDRV_SEQ_REMOVE_EVENT_TYPE	(1<<7)	/* Restrict to event type */
385#define SNDRV_SEQ_REMOVE_IGNORE_OFF 	(1<<8)	/* Do not flush off events */
386#define SNDRV_SEQ_REMOVE_TAG_MATCH 	(1<<9)	/* Restrict to events with given tag */
387
388struct snd_seq_remove_events {
389	unsigned int  remove_mode;	/* Flags that determine what gets removed */
390
391	union snd_seq_timestamp time;
392
393	unsigned char queue;	/* Queue for REMOVE_DEST */
394	struct snd_seq_addr dest;	/* Address for REMOVE_DEST */
395	unsigned char channel;	/* Channel for REMOVE_DEST */
396
397	int  type;	/* For REMOVE_EVENT_TYPE */
398	char  tag;	/* Tag for REMOVE_TAG */
399
400	int  reserved[10];	/* To allow for future binary compatibility */
401
402};
403
404
405	/* known port numbers */
406#define SNDRV_SEQ_PORT_SYSTEM_TIMER	0
407#define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE	1
408
409	/* port capabilities (32 bits) */
410#define SNDRV_SEQ_PORT_CAP_READ		(1<<0)	/* readable from this port */
411#define SNDRV_SEQ_PORT_CAP_WRITE	(1<<1)	/* writable to this port */
412
413#define SNDRV_SEQ_PORT_CAP_SYNC_READ	(1<<2)
414#define SNDRV_SEQ_PORT_CAP_SYNC_WRITE	(1<<3)
415
416#define SNDRV_SEQ_PORT_CAP_DUPLEX	(1<<4)
417
418#define SNDRV_SEQ_PORT_CAP_SUBS_READ	(1<<5)	/* allow read subscription */
419#define SNDRV_SEQ_PORT_CAP_SUBS_WRITE	(1<<6)	/* allow write subscription */
420#define SNDRV_SEQ_PORT_CAP_NO_EXPORT	(1<<7)	/* routing not allowed */
421
422	/* port type */
423#define SNDRV_SEQ_PORT_TYPE_SPECIFIC	(1<<0)	/* hardware specific */
424#define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1)	/* generic MIDI device */
425#define SNDRV_SEQ_PORT_TYPE_MIDI_GM	(1<<2)	/* General MIDI compatible device */
426#define SNDRV_SEQ_PORT_TYPE_MIDI_GS	(1<<3)	/* GS compatible device */
427#define SNDRV_SEQ_PORT_TYPE_MIDI_XG	(1<<4)	/* XG compatible device */
428#define SNDRV_SEQ_PORT_TYPE_MIDI_MT32	(1<<5)	/* MT-32 compatible device */
429#define SNDRV_SEQ_PORT_TYPE_MIDI_GM2	(1<<6)	/* General MIDI 2 compatible device */
430
431/* other standards...*/
432#define SNDRV_SEQ_PORT_TYPE_SYNTH	(1<<10)	/* Synth device (no MIDI compatible - direct wavetable) */
433#define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11)	/* Sampling device (support sample download) */
434#define SNDRV_SEQ_PORT_TYPE_SAMPLE	(1<<12)	/* Sampling device (sample can be downloaded at any time) */
435/*...*/
436#define SNDRV_SEQ_PORT_TYPE_HARDWARE	(1<<16)	/* driver for a hardware device */
437#define SNDRV_SEQ_PORT_TYPE_SOFTWARE	(1<<17)	/* implemented in software */
438#define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER	(1<<18)	/* generates sound */
439#define SNDRV_SEQ_PORT_TYPE_PORT	(1<<19)	/* connects to other device(s) */
440#define SNDRV_SEQ_PORT_TYPE_APPLICATION	(1<<20)	/* application (sequencer/editor) */
441
442/* misc. conditioning flags */
443#define SNDRV_SEQ_PORT_FLG_GIVEN_PORT	(1<<0)
444#define SNDRV_SEQ_PORT_FLG_TIMESTAMP	(1<<1)
445#define SNDRV_SEQ_PORT_FLG_TIME_REAL	(1<<2)
446
447struct snd_seq_port_info {
448	struct snd_seq_addr addr;	/* client/port numbers */
449	char name[64];			/* port name */
450
451	unsigned int capability;	/* port capability bits */
452	unsigned int type;		/* port type bits */
453	int midi_channels;		/* channels per MIDI port */
454	int midi_voices;		/* voices per MIDI port */
455	int synth_voices;		/* voices per SYNTH port */
456
457	int read_use;			/* R/O: subscribers for output (from this port) */
458	int write_use;			/* R/O: subscribers for input (to this port) */
459
460	void *kernel;			/* reserved for kernel use (must be NULL) */
461	unsigned int flags;		/* misc. conditioning */
462	unsigned char time_queue;	/* queue # for timestamping */
463	char reserved[59];		/* for future use */
464};
465
466
467/* queue flags */
468#define SNDRV_SEQ_QUEUE_FLG_SYNC	(1<<0)	/* sync enabled */
469
470/* queue information */
471struct snd_seq_queue_info {
472	int queue;		/* queue id */
473
474	/*
475	 *  security settings, only owner of this queue can start/stop timer
476	 *  etc. if the queue is locked for other clients
477	 */
478	int owner;		/* client id for owner of the queue */
479	unsigned locked:1;	/* timing queue locked for other queues */
480	char name[64];		/* name of this queue */
481	unsigned int flags;	/* flags */
482	char reserved[60];	/* for future use */
483
484};
485
486/* queue info/status */
487struct snd_seq_queue_status {
488	int queue;			/* queue id */
489	int events;			/* read-only - queue size */
490	snd_seq_tick_time_t tick;	/* current tick */
491	struct snd_seq_real_time time;	/* current time */
492	int running;			/* running state of queue */
493	int flags;			/* various flags */
494	char reserved[64];		/* for the future */
495};
496
497
498/* queue tempo */
499struct snd_seq_queue_tempo {
500	int queue;			/* sequencer queue */
501	unsigned int tempo;		/* current tempo, us/tick */
502	int ppq;			/* time resolution, ticks/quarter */
503	unsigned int skew_value;	/* queue skew */
504	unsigned int skew_base;		/* queue skew base */
505	char reserved[24];		/* for the future */
506};
507
508
509/* sequencer timer sources */
510#define SNDRV_SEQ_TIMER_ALSA		0	/* ALSA timer */
511#define SNDRV_SEQ_TIMER_MIDI_CLOCK	1	/* Midi Clock (CLOCK event) */
512#define SNDRV_SEQ_TIMER_MIDI_TICK	2	/* Midi Timer Tick (TICK event) */
513
514/* queue timer info */
515struct snd_seq_queue_timer {
516	int queue;			/* sequencer queue */
517	int type;			/* source timer type */
518	union {
519		struct {
520			struct snd_timer_id id;	/* ALSA's timer ID */
521			unsigned int resolution;	/* resolution in Hz */
522		} alsa;
523	} u;
524	char reserved[64];		/* for the future use */
525};
526
527
528struct snd_seq_queue_client {
529	int queue;		/* sequencer queue */
530	int client;		/* sequencer client */
531	int used;		/* queue is used with this client
532				   (must be set for accepting events) */
533	/* per client watermarks */
534	char reserved[64];	/* for future use */
535};
536
537
538#define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE	(1<<0)	/* exclusive connection */
539#define SNDRV_SEQ_PORT_SUBS_TIMESTAMP	(1<<1)
540#define SNDRV_SEQ_PORT_SUBS_TIME_REAL	(1<<2)
541
542struct snd_seq_port_subscribe {
543	struct snd_seq_addr sender;	/* sender address */
544	struct snd_seq_addr dest;	/* destination address */
545	unsigned int voices;		/* number of voices to be allocated (0 = don't care) */
546	unsigned int flags;		/* modes */
547	unsigned char queue;		/* input time-stamp queue (optional) */
548	unsigned char pad[3];		/* reserved */
549	char reserved[64];
550};
551
552/* type of query subscription */
553#define SNDRV_SEQ_QUERY_SUBS_READ	0
554#define SNDRV_SEQ_QUERY_SUBS_WRITE	1
555
556struct snd_seq_query_subs {
557	struct snd_seq_addr root;	/* client/port id to be searched */
558	int type;		/* READ or WRITE */
559	int index;		/* 0..N-1 */
560	int num_subs;		/* R/O: number of subscriptions on this port */
561	struct snd_seq_addr addr;	/* R/O: result */
562	unsigned char queue;	/* R/O: result */
563	unsigned int flags;	/* R/O: result */
564	char reserved[64];	/* for future use */
565};
566
567
568/*
569 *  IOCTL commands
570 */
571
572#define SNDRV_SEQ_IOCTL_PVERSION	_IOR ('S', 0x00, int)
573#define SNDRV_SEQ_IOCTL_CLIENT_ID	_IOR ('S', 0x01, int)
574#define SNDRV_SEQ_IOCTL_SYSTEM_INFO	_IOWR('S', 0x02, struct snd_seq_system_info)
575#define SNDRV_SEQ_IOCTL_RUNNING_MODE	_IOWR('S', 0x03, struct snd_seq_running_info)
576
577#define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO	_IOWR('S', 0x10, struct snd_seq_client_info)
578#define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO	_IOW ('S', 0x11, struct snd_seq_client_info)
579
580#define SNDRV_SEQ_IOCTL_CREATE_PORT	_IOWR('S', 0x20, struct snd_seq_port_info)
581#define SNDRV_SEQ_IOCTL_DELETE_PORT	_IOW ('S', 0x21, struct snd_seq_port_info)
582#define SNDRV_SEQ_IOCTL_GET_PORT_INFO	_IOWR('S', 0x22, struct snd_seq_port_info)
583#define SNDRV_SEQ_IOCTL_SET_PORT_INFO	_IOW ('S', 0x23, struct snd_seq_port_info)
584
585#define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT	_IOW ('S', 0x30, struct snd_seq_port_subscribe)
586#define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe)
587
588#define SNDRV_SEQ_IOCTL_CREATE_QUEUE	_IOWR('S', 0x32, struct snd_seq_queue_info)
589#define SNDRV_SEQ_IOCTL_DELETE_QUEUE	_IOW ('S', 0x33, struct snd_seq_queue_info)
590#define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO	_IOWR('S', 0x34, struct snd_seq_queue_info)
591#define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO	_IOWR('S', 0x35, struct snd_seq_queue_info)
592#define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE	_IOWR('S', 0x36, struct snd_seq_queue_info)
593#define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status)
594#define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO	_IOWR('S', 0x41, struct snd_seq_queue_tempo)
595#define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO	_IOW ('S', 0x42, struct snd_seq_queue_tempo)
596#define SNDRV_SEQ_IOCTL_GET_QUEUE_OWNER	_IOWR('S', 0x43, struct snd_seq_queue_owner)
597#define SNDRV_SEQ_IOCTL_SET_QUEUE_OWNER	_IOW ('S', 0x44, struct snd_seq_queue_owner)
598#define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER	_IOWR('S', 0x45, struct snd_seq_queue_timer)
599#define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER	_IOW ('S', 0x46, struct snd_seq_queue_timer)
600/* XXX
601#define SNDRV_SEQ_IOCTL_GET_QUEUE_SYNC	_IOWR('S', 0x53, struct snd_seq_queue_sync)
602#define SNDRV_SEQ_IOCTL_SET_QUEUE_SYNC	_IOW ('S', 0x54, struct snd_seq_queue_sync)
603*/
604#define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT	_IOWR('S', 0x49, struct snd_seq_queue_client)
605#define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT	_IOW ('S', 0x4a, struct snd_seq_queue_client)
606#define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL	_IOWR('S', 0x4b, struct snd_seq_client_pool)
607#define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL	_IOW ('S', 0x4c, struct snd_seq_client_pool)
608#define SNDRV_SEQ_IOCTL_REMOVE_EVENTS	_IOW ('S', 0x4e, struct snd_seq_remove_events)
609#define SNDRV_SEQ_IOCTL_QUERY_SUBS	_IOWR('S', 0x4f, struct snd_seq_query_subs)
610#define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION	_IOWR('S', 0x50, struct snd_seq_port_subscribe)
611#define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT	_IOWR('S', 0x51, struct snd_seq_client_info)
612#define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT	_IOWR('S', 0x52, struct snd_seq_port_info)
613
614#endif /* _UAPI__SOUND_ASEQUENCER_H */
615