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674e95ca DH |
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 | ||
bbf91c1c | 25 | #include <sound/asound.h> |
674e95ca DH |
26 | |
27 | /** version of the sequencer */ | |
a1ce94d0 | 28 | #define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 2) |
674e95ca DH |
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 | ||
154 | typedef unsigned char snd_seq_event_type_t; | |
155 | ||
156 | /** event address */ | |
157 | struct 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 */ | |
163 | struct 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 */ | |
194 | struct 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 */ | |
203 | struct 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) */ | |
211 | struct snd_seq_ev_raw8 { | |
212 | unsigned char d[12]; /* 8 bit value */ | |
213 | }; | |
214 | ||
215 | /* generic set of integers (3x32 bit) */ | |
216 | struct snd_seq_ev_raw32 { | |
217 | unsigned int d[3]; /* 32 bit value */ | |
218 | }; | |
219 | ||
220 | /* external stored data */ | |
221 | struct 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 | ||
226 | struct snd_seq_result { | |
227 | int event; /* processed event type */ | |
228 | int result; | |
229 | }; | |
230 | ||
231 | ||
232 | struct snd_seq_real_time { | |
233 | unsigned int tv_sec; /* seconds */ | |
234 | unsigned int tv_nsec; /* nanoseconds */ | |
235 | }; | |
236 | ||
237 | typedef unsigned int snd_seq_tick_time_t; /* midi ticks */ | |
238 | ||
239 | union snd_seq_timestamp { | |
240 | snd_seq_tick_time_t tick; | |
241 | struct snd_seq_real_time time; | |
242 | }; | |
243 | ||
244 | struct snd_seq_queue_skew { | |
245 | unsigned int value; | |
246 | unsigned int base; | |
247 | }; | |
248 | ||
249 | /* queue timer control */ | |
250 | struct 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 */ | |
264 | struct 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 */ | |
272 | struct 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 | */ | |
303 | struct snd_seq_event_bounce { | |
304 | int err; | |
305 | struct snd_seq_event event; | |
306 | /* external data follows here. */ | |
307 | }; | |
308 | ||
309 | ||
310 | /* system information */ | |
311 | struct 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 */ | |
323 | struct 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 */ | |
340 | typedef 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 | ||
351 | struct 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 */ | |
a1ce94d0 MK |
360 | int card; /* RO: card number[kernel] */ |
361 | int pid; /* RO: pid[user] */ | |
362 | char reserved[56]; /* for future use */ | |
674e95ca DH |
363 | }; |
364 | ||
365 | ||
366 | /* client pool size */ | |
367 | struct snd_seq_client_pool { | |
368 | int client; /* client number to inquire */ | |
369 | int output_pool; /* outgoing (write) pool size */ | |
370 | int input_pool; /* incoming (read) pool size */ | |
371 | int output_room; /* minimum free pool size for select/blocking mode */ | |
372 | int output_free; /* unused size */ | |
373 | int input_free; /* unused size */ | |
374 | char reserved[64]; | |
375 | }; | |
376 | ||
377 | ||
378 | /* Remove events by specified criteria */ | |
379 | ||
380 | #define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */ | |
381 | #define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */ | |
382 | #define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */ | |
383 | #define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */ | |
384 | #define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */ | |
385 | #define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */ | |
386 | #define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */ | |
387 | #define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */ | |
388 | #define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */ | |
389 | #define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */ | |
390 | ||
391 | struct snd_seq_remove_events { | |
392 | unsigned int remove_mode; /* Flags that determine what gets removed */ | |
393 | ||
394 | union snd_seq_timestamp time; | |
395 | ||
396 | unsigned char queue; /* Queue for REMOVE_DEST */ | |
397 | struct snd_seq_addr dest; /* Address for REMOVE_DEST */ | |
398 | unsigned char channel; /* Channel for REMOVE_DEST */ | |
399 | ||
400 | int type; /* For REMOVE_EVENT_TYPE */ | |
401 | char tag; /* Tag for REMOVE_TAG */ | |
402 | ||
403 | int reserved[10]; /* To allow for future binary compatibility */ | |
404 | ||
405 | }; | |
406 | ||
407 | ||
408 | /* known port numbers */ | |
409 | #define SNDRV_SEQ_PORT_SYSTEM_TIMER 0 | |
410 | #define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1 | |
411 | ||
412 | /* port capabilities (32 bits) */ | |
413 | #define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */ | |
414 | #define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */ | |
415 | ||
416 | #define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2) | |
417 | #define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3) | |
418 | ||
419 | #define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4) | |
420 | ||
421 | #define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */ | |
422 | #define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */ | |
423 | #define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */ | |
424 | ||
425 | /* port type */ | |
426 | #define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */ | |
427 | #define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */ | |
428 | #define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */ | |
429 | #define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */ | |
430 | #define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */ | |
431 | #define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */ | |
432 | #define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */ | |
433 | ||
434 | /* other standards...*/ | |
435 | #define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */ | |
436 | #define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */ | |
437 | #define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */ | |
438 | /*...*/ | |
439 | #define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16) /* driver for a hardware device */ | |
440 | #define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17) /* implemented in software */ | |
441 | #define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */ | |
442 | #define SNDRV_SEQ_PORT_TYPE_PORT (1<<19) /* connects to other device(s) */ | |
443 | #define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */ | |
444 | ||
445 | /* misc. conditioning flags */ | |
446 | #define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0) | |
447 | #define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1) | |
448 | #define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2) | |
449 | ||
450 | struct snd_seq_port_info { | |
451 | struct snd_seq_addr addr; /* client/port numbers */ | |
452 | char name[64]; /* port name */ | |
453 | ||
454 | unsigned int capability; /* port capability bits */ | |
455 | unsigned int type; /* port type bits */ | |
456 | int midi_channels; /* channels per MIDI port */ | |
457 | int midi_voices; /* voices per MIDI port */ | |
458 | int synth_voices; /* voices per SYNTH port */ | |
459 | ||
460 | int read_use; /* R/O: subscribers for output (from this port) */ | |
461 | int write_use; /* R/O: subscribers for input (to this port) */ | |
462 | ||
463 | void *kernel; /* reserved for kernel use (must be NULL) */ | |
464 | unsigned int flags; /* misc. conditioning */ | |
465 | unsigned char time_queue; /* queue # for timestamping */ | |
466 | char reserved[59]; /* for future use */ | |
467 | }; | |
468 | ||
469 | ||
470 | /* queue flags */ | |
471 | #define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */ | |
472 | ||
473 | /* queue information */ | |
474 | struct snd_seq_queue_info { | |
475 | int queue; /* queue id */ | |
476 | ||
477 | /* | |
478 | * security settings, only owner of this queue can start/stop timer | |
479 | * etc. if the queue is locked for other clients | |
480 | */ | |
481 | int owner; /* client id for owner of the queue */ | |
482 | unsigned locked:1; /* timing queue locked for other queues */ | |
483 | char name[64]; /* name of this queue */ | |
484 | unsigned int flags; /* flags */ | |
485 | char reserved[60]; /* for future use */ | |
486 | ||
487 | }; | |
488 | ||
489 | /* queue info/status */ | |
490 | struct snd_seq_queue_status { | |
491 | int queue; /* queue id */ | |
492 | int events; /* read-only - queue size */ | |
493 | snd_seq_tick_time_t tick; /* current tick */ | |
494 | struct snd_seq_real_time time; /* current time */ | |
495 | int running; /* running state of queue */ | |
496 | int flags; /* various flags */ | |
497 | char reserved[64]; /* for the future */ | |
498 | }; | |
499 | ||
500 | ||
501 | /* queue tempo */ | |
502 | struct snd_seq_queue_tempo { | |
503 | int queue; /* sequencer queue */ | |
504 | unsigned int tempo; /* current tempo, us/tick */ | |
505 | int ppq; /* time resolution, ticks/quarter */ | |
506 | unsigned int skew_value; /* queue skew */ | |
507 | unsigned int skew_base; /* queue skew base */ | |
508 | char reserved[24]; /* for the future */ | |
509 | }; | |
510 | ||
511 | ||
512 | /* sequencer timer sources */ | |
513 | #define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */ | |
514 | #define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */ | |
515 | #define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */ | |
516 | ||
517 | /* queue timer info */ | |
518 | struct snd_seq_queue_timer { | |
519 | int queue; /* sequencer queue */ | |
520 | int type; /* source timer type */ | |
521 | union { | |
522 | struct { | |
523 | struct snd_timer_id id; /* ALSA's timer ID */ | |
524 | unsigned int resolution; /* resolution in Hz */ | |
525 | } alsa; | |
526 | } u; | |
527 | char reserved[64]; /* for the future use */ | |
528 | }; | |
529 | ||
530 | ||
531 | struct snd_seq_queue_client { | |
532 | int queue; /* sequencer queue */ | |
533 | int client; /* sequencer client */ | |
534 | int used; /* queue is used with this client | |
535 | (must be set for accepting events) */ | |
536 | /* per client watermarks */ | |
537 | char reserved[64]; /* for future use */ | |
538 | }; | |
539 | ||
540 | ||
541 | #define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */ | |
542 | #define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1) | |
543 | #define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2) | |
544 | ||
545 | struct snd_seq_port_subscribe { | |
546 | struct snd_seq_addr sender; /* sender address */ | |
547 | struct snd_seq_addr dest; /* destination address */ | |
548 | unsigned int voices; /* number of voices to be allocated (0 = don't care) */ | |
549 | unsigned int flags; /* modes */ | |
550 | unsigned char queue; /* input time-stamp queue (optional) */ | |
551 | unsigned char pad[3]; /* reserved */ | |
552 | char reserved[64]; | |
553 | }; | |
554 | ||
555 | /* type of query subscription */ | |
556 | #define SNDRV_SEQ_QUERY_SUBS_READ 0 | |
557 | #define SNDRV_SEQ_QUERY_SUBS_WRITE 1 | |
558 | ||
559 | struct snd_seq_query_subs { | |
560 | struct snd_seq_addr root; /* client/port id to be searched */ | |
561 | int type; /* READ or WRITE */ | |
562 | int index; /* 0..N-1 */ | |
563 | int num_subs; /* R/O: number of subscriptions on this port */ | |
564 | struct snd_seq_addr addr; /* R/O: result */ | |
565 | unsigned char queue; /* R/O: result */ | |
566 | unsigned int flags; /* R/O: result */ | |
567 | char reserved[64]; /* for future use */ | |
568 | }; | |
569 | ||
570 | ||
571 | /* | |
572 | * IOCTL commands | |
573 | */ | |
574 | ||
575 | #define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int) | |
576 | #define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int) | |
577 | #define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info) | |
578 | #define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info) | |
579 | ||
580 | #define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info) | |
581 | #define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info) | |
582 | ||
583 | #define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info) | |
584 | #define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info) | |
585 | #define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info) | |
586 | #define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info) | |
587 | ||
588 | #define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe) | |
589 | #define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe) | |
590 | ||
591 | #define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info) | |
592 | #define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info) | |
593 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info) | |
594 | #define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info) | |
595 | #define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info) | |
596 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status) | |
597 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo) | |
598 | #define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo) | |
674e95ca DH |
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) | |
674e95ca DH |
601 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client) |
602 | #define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client) | |
603 | #define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool) | |
604 | #define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool) | |
605 | #define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events) | |
606 | #define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs) | |
607 | #define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe) | |
608 | #define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info) | |
609 | #define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info) | |
610 | ||
611 | #endif /* _UAPI__SOUND_ASEQUENCER_H */ |