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#include <sound/asound.h>
26
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 */
616