Root/
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 __SOUND_ASEQUENCER_H |
23 | #define __SOUND_ASEQUENCER_H |
24 | |
25 | #ifdef __KERNEL__ |
26 | #include <linux/ioctl.h> |
27 | #include <sound/asound.h> |
28 | #endif |
29 | |
30 | /** version of the sequencer */ |
31 | #define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION (1, 0, 1) |
32 | |
33 | /** |
34 | * definition of sequencer event types |
35 | */ |
36 | |
37 | /** system messages |
38 | * event data type = #snd_seq_result |
39 | */ |
40 | #define SNDRV_SEQ_EVENT_SYSTEM 0 |
41 | #define SNDRV_SEQ_EVENT_RESULT 1 |
42 | |
43 | /** note messages (channel specific) |
44 | * event data type = #snd_seq_ev_note |
45 | */ |
46 | #define SNDRV_SEQ_EVENT_NOTE 5 |
47 | #define SNDRV_SEQ_EVENT_NOTEON 6 |
48 | #define SNDRV_SEQ_EVENT_NOTEOFF 7 |
49 | #define SNDRV_SEQ_EVENT_KEYPRESS 8 |
50 | |
51 | /** control messages (channel specific) |
52 | * event data type = #snd_seq_ev_ctrl |
53 | */ |
54 | #define SNDRV_SEQ_EVENT_CONTROLLER 10 |
55 | #define SNDRV_SEQ_EVENT_PGMCHANGE 11 |
56 | #define SNDRV_SEQ_EVENT_CHANPRESS 12 |
57 | #define SNDRV_SEQ_EVENT_PITCHBEND 13 /**< from -8192 to 8191 */ |
58 | #define SNDRV_SEQ_EVENT_CONTROL14 14 /**< 14 bit controller value */ |
59 | #define SNDRV_SEQ_EVENT_NONREGPARAM 15 /**< 14 bit NRPN address + 14 bit unsigned value */ |
60 | #define SNDRV_SEQ_EVENT_REGPARAM 16 /**< 14 bit RPN address + 14 bit unsigned value */ |
61 | |
62 | /** synchronisation messages |
63 | * event data type = #snd_seq_ev_ctrl |
64 | */ |
65 | #define SNDRV_SEQ_EVENT_SONGPOS 20 /* Song Position Pointer with LSB and MSB values */ |
66 | #define SNDRV_SEQ_EVENT_SONGSEL 21 /* Song Select with song ID number */ |
67 | #define SNDRV_SEQ_EVENT_QFRAME 22 /* midi time code quarter frame */ |
68 | #define SNDRV_SEQ_EVENT_TIMESIGN 23 /* SMF Time Signature event */ |
69 | #define SNDRV_SEQ_EVENT_KEYSIGN 24 /* SMF Key Signature event */ |
70 | |
71 | /** timer messages |
72 | * event data type = snd_seq_ev_queue_control |
73 | */ |
74 | #define SNDRV_SEQ_EVENT_START 30 /* midi Real Time Start message */ |
75 | #define SNDRV_SEQ_EVENT_CONTINUE 31 /* midi Real Time Continue message */ |
76 | #define SNDRV_SEQ_EVENT_STOP 32 /* midi Real Time Stop message */ |
77 | #define SNDRV_SEQ_EVENT_SETPOS_TICK 33 /* set tick queue position */ |
78 | #define SNDRV_SEQ_EVENT_SETPOS_TIME 34 /* set realtime queue position */ |
79 | #define SNDRV_SEQ_EVENT_TEMPO 35 /* (SMF) Tempo event */ |
80 | #define SNDRV_SEQ_EVENT_CLOCK 36 /* midi Real Time Clock message */ |
81 | #define SNDRV_SEQ_EVENT_TICK 37 /* midi Real Time Tick message */ |
82 | #define SNDRV_SEQ_EVENT_QUEUE_SKEW 38 /* skew queue tempo */ |
83 | |
84 | /** others |
85 | * event data type = none |
86 | */ |
87 | #define SNDRV_SEQ_EVENT_TUNE_REQUEST 40 /* tune request */ |
88 | #define SNDRV_SEQ_EVENT_RESET 41 /* reset to power-on state */ |
89 | #define SNDRV_SEQ_EVENT_SENSING 42 /* "active sensing" event */ |
90 | |
91 | /** echo back, kernel private messages |
92 | * event data type = any type |
93 | */ |
94 | #define SNDRV_SEQ_EVENT_ECHO 50 /* echo event */ |
95 | #define SNDRV_SEQ_EVENT_OSS 51 /* OSS raw event */ |
96 | |
97 | /** system status messages (broadcast for subscribers) |
98 | * event data type = snd_seq_addr |
99 | */ |
100 | #define SNDRV_SEQ_EVENT_CLIENT_START 60 /* new client has connected */ |
101 | #define SNDRV_SEQ_EVENT_CLIENT_EXIT 61 /* client has left the system */ |
102 | #define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62 /* client status/info has changed */ |
103 | #define SNDRV_SEQ_EVENT_PORT_START 63 /* new port was created */ |
104 | #define SNDRV_SEQ_EVENT_PORT_EXIT 64 /* port was deleted from system */ |
105 | #define SNDRV_SEQ_EVENT_PORT_CHANGE 65 /* port status/info has changed */ |
106 | |
107 | /** port connection changes |
108 | * event data type = snd_seq_connect |
109 | */ |
110 | #define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */ |
111 | #define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */ |
112 | |
113 | /* 70-89: synthesizer events - obsoleted */ |
114 | |
115 | /** user-defined events with fixed length |
116 | * event data type = any |
117 | */ |
118 | #define SNDRV_SEQ_EVENT_USR0 90 |
119 | #define SNDRV_SEQ_EVENT_USR1 91 |
120 | #define SNDRV_SEQ_EVENT_USR2 92 |
121 | #define SNDRV_SEQ_EVENT_USR3 93 |
122 | #define SNDRV_SEQ_EVENT_USR4 94 |
123 | #define SNDRV_SEQ_EVENT_USR5 95 |
124 | #define SNDRV_SEQ_EVENT_USR6 96 |
125 | #define SNDRV_SEQ_EVENT_USR7 97 |
126 | #define SNDRV_SEQ_EVENT_USR8 98 |
127 | #define SNDRV_SEQ_EVENT_USR9 99 |
128 | |
129 | /* 100-118: instrument layer - obsoleted */ |
130 | /* 119-129: reserved */ |
131 | |
132 | /* 130-139: variable length events |
133 | * event data type = snd_seq_ev_ext |
134 | * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set) |
135 | */ |
136 | #define SNDRV_SEQ_EVENT_SYSEX 130 /* system exclusive data (variable length) */ |
137 | #define SNDRV_SEQ_EVENT_BOUNCE 131 /* error event */ |
138 | /* 132-134: reserved */ |
139 | #define SNDRV_SEQ_EVENT_USR_VAR0 135 |
140 | #define SNDRV_SEQ_EVENT_USR_VAR1 136 |
141 | #define SNDRV_SEQ_EVENT_USR_VAR2 137 |
142 | #define SNDRV_SEQ_EVENT_USR_VAR3 138 |
143 | #define SNDRV_SEQ_EVENT_USR_VAR4 139 |
144 | |
145 | /* 150-151: kernel events with quote - DO NOT use in user clients */ |
146 | #define SNDRV_SEQ_EVENT_KERNEL_ERROR 150 |
147 | #define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151 /* obsolete */ |
148 | |
149 | /* 152-191: reserved */ |
150 | |
151 | /* 192-254: hardware specific events */ |
152 | |
153 | /* 255: special event */ |
154 | #define SNDRV_SEQ_EVENT_NONE 255 |
155 | |
156 | |
157 | typedef unsigned char snd_seq_event_type_t; |
158 | |
159 | /** event address */ |
160 | struct snd_seq_addr { |
161 | unsigned char client; /**< Client number: 0..255, 255 = broadcast to all clients */ |
162 | unsigned char port; /**< Port within client: 0..255, 255 = broadcast to all ports */ |
163 | }; |
164 | |
165 | /** port connection */ |
166 | struct snd_seq_connect { |
167 | struct snd_seq_addr sender; |
168 | struct snd_seq_addr dest; |
169 | }; |
170 | |
171 | |
172 | #define SNDRV_SEQ_ADDRESS_UNKNOWN 253 /* unknown source */ |
173 | #define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254 /* send event to all subscribed ports */ |
174 | #define SNDRV_SEQ_ADDRESS_BROADCAST 255 /* send event to all queues/clients/ports/channels */ |
175 | #define SNDRV_SEQ_QUEUE_DIRECT 253 /* direct dispatch */ |
176 | |
177 | /* event mode flag - NOTE: only 8 bits available! */ |
178 | #define SNDRV_SEQ_TIME_STAMP_TICK (0<<0) /* timestamp in clock ticks */ |
179 | #define SNDRV_SEQ_TIME_STAMP_REAL (1<<0) /* timestamp in real time */ |
180 | #define SNDRV_SEQ_TIME_STAMP_MASK (1<<0) |
181 | |
182 | #define SNDRV_SEQ_TIME_MODE_ABS (0<<1) /* absolute timestamp */ |
183 | #define SNDRV_SEQ_TIME_MODE_REL (1<<1) /* relative to current time */ |
184 | #define SNDRV_SEQ_TIME_MODE_MASK (1<<1) |
185 | |
186 | #define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2) /* fixed event size */ |
187 | #define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /* variable event size */ |
188 | #define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2) /* variable event size - user memory space */ |
189 | #define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2) |
190 | |
191 | #define SNDRV_SEQ_PRIORITY_NORMAL (0<<4) /* normal priority */ |
192 | #define SNDRV_SEQ_PRIORITY_HIGH (1<<4) /* event should be processed before others */ |
193 | #define SNDRV_SEQ_PRIORITY_MASK (1<<4) |
194 | |
195 | |
196 | /* note event */ |
197 | struct snd_seq_ev_note { |
198 | unsigned char channel; |
199 | unsigned char note; |
200 | unsigned char velocity; |
201 | unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */ |
202 | unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */ |
203 | }; |
204 | |
205 | /* controller event */ |
206 | struct snd_seq_ev_ctrl { |
207 | unsigned char channel; |
208 | unsigned char unused1, unused2, unused3; /* pad */ |
209 | unsigned int param; |
210 | signed int value; |
211 | }; |
212 | |
213 | /* generic set of bytes (12x8 bit) */ |
214 | struct snd_seq_ev_raw8 { |
215 | unsigned char d[12]; /* 8 bit value */ |
216 | }; |
217 | |
218 | /* generic set of integers (3x32 bit) */ |
219 | struct snd_seq_ev_raw32 { |
220 | unsigned int d[3]; /* 32 bit value */ |
221 | }; |
222 | |
223 | /* external stored data */ |
224 | struct snd_seq_ev_ext { |
225 | unsigned int len; /* length of data */ |
226 | void *ptr; /* pointer to data (note: maybe 64-bit) */ |
227 | } __attribute__((packed)); |
228 | |
229 | struct snd_seq_result { |
230 | int event; /* processed event type */ |
231 | int result; |
232 | }; |
233 | |
234 | |
235 | struct snd_seq_real_time { |
236 | unsigned int tv_sec; /* seconds */ |
237 | unsigned int tv_nsec; /* nanoseconds */ |
238 | }; |
239 | |
240 | typedef unsigned int snd_seq_tick_time_t; /* midi ticks */ |
241 | |
242 | union snd_seq_timestamp { |
243 | snd_seq_tick_time_t tick; |
244 | struct snd_seq_real_time time; |
245 | }; |
246 | |
247 | struct snd_seq_queue_skew { |
248 | unsigned int value; |
249 | unsigned int base; |
250 | }; |
251 | |
252 | /* queue timer control */ |
253 | struct snd_seq_ev_queue_control { |
254 | unsigned char queue; /* affected queue */ |
255 | unsigned char pad[3]; /* reserved */ |
256 | union { |
257 | signed int value; /* affected value (e.g. tempo) */ |
258 | union snd_seq_timestamp time; /* time */ |
259 | unsigned int position; /* sync position */ |
260 | struct snd_seq_queue_skew skew; |
261 | unsigned int d32[2]; |
262 | unsigned char d8[8]; |
263 | } param; |
264 | }; |
265 | |
266 | /* quoted event - inside the kernel only */ |
267 | struct 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 | } __attribute__((packed)); |
272 | |
273 | |
274 | /* sequencer event */ |
275 | struct snd_seq_event { |
276 | snd_seq_event_type_t type; /* event type */ |
277 | unsigned char flags; /* event flags */ |
278 | char tag; |
279 | |
280 | unsigned char queue; /* schedule queue */ |
281 | union snd_seq_timestamp time; /* schedule time */ |
282 | |
283 | |
284 | struct snd_seq_addr source; /* source address */ |
285 | struct snd_seq_addr dest; /* destination address */ |
286 | |
287 | union { /* event data... */ |
288 | struct snd_seq_ev_note note; |
289 | struct snd_seq_ev_ctrl control; |
290 | struct snd_seq_ev_raw8 raw8; |
291 | struct snd_seq_ev_raw32 raw32; |
292 | struct snd_seq_ev_ext ext; |
293 | struct snd_seq_ev_queue_control queue; |
294 | union snd_seq_timestamp time; |
295 | struct snd_seq_addr addr; |
296 | struct snd_seq_connect connect; |
297 | struct snd_seq_result result; |
298 | struct snd_seq_ev_quote quote; |
299 | } data; |
300 | }; |
301 | |
302 | |
303 | /* |
304 | * bounce event - stored as variable size data |
305 | */ |
306 | struct snd_seq_event_bounce { |
307 | int err; |
308 | struct snd_seq_event event; |
309 | /* external data follows here. */ |
310 | }; |
311 | |
312 | #ifdef __KERNEL__ |
313 | |
314 | /* helper macro */ |
315 | #define snd_seq_event_bounce_ext_data(ev) ((void*)((char *)(ev)->data.ext.ptr + sizeof(struct snd_seq_event_bounce))) |
316 | |
317 | /* |
318 | * type check macros |
319 | */ |
320 | /* result events: 0-4 */ |
321 | #define snd_seq_ev_is_result_type(ev) ((ev)->type < 5) |
322 | /* channel specific events: 5-19 */ |
323 | #define snd_seq_ev_is_channel_type(ev) ((ev)->type >= 5 && (ev)->type < 20) |
324 | /* note events: 5-9 */ |
325 | #define snd_seq_ev_is_note_type(ev) ((ev)->type >= 5 && (ev)->type < 10) |
326 | /* control events: 10-19 */ |
327 | #define snd_seq_ev_is_control_type(ev) ((ev)->type >= 10 && (ev)->type < 20) |
328 | /* queue control events: 30-39 */ |
329 | #define snd_seq_ev_is_queue_type(ev) ((ev)->type >= 30 && (ev)->type < 40) |
330 | /* system status messages */ |
331 | #define snd_seq_ev_is_message_type(ev) ((ev)->type >= 60 && (ev)->type < 69) |
332 | /* sample messages */ |
333 | #define snd_seq_ev_is_sample_type(ev) ((ev)->type >= 70 && (ev)->type < 79) |
334 | /* user-defined messages */ |
335 | #define snd_seq_ev_is_user_type(ev) ((ev)->type >= 90 && (ev)->type < 99) |
336 | /* fixed length events: 0-99 */ |
337 | #define snd_seq_ev_is_fixed_type(ev) ((ev)->type < 100) |
338 | /* variable length events: 130-139 */ |
339 | #define snd_seq_ev_is_variable_type(ev) ((ev)->type >= 130 && (ev)->type < 140) |
340 | /* reserved for kernel */ |
341 | #define snd_seq_ev_is_reserved(ev) ((ev)->type >= 150) |
342 | |
343 | /* direct dispatched events */ |
344 | #define snd_seq_ev_is_direct(ev) ((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT) |
345 | |
346 | /* |
347 | * macros to check event flags |
348 | */ |
349 | /* prior events */ |
350 | #define snd_seq_ev_is_prior(ev) (((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH) |
351 | |
352 | /* event length type */ |
353 | #define snd_seq_ev_length_type(ev) ((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) |
354 | #define snd_seq_ev_is_fixed(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED) |
355 | #define snd_seq_ev_is_variable(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE) |
356 | #define snd_seq_ev_is_varusr(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR) |
357 | |
358 | /* time-stamp type */ |
359 | #define snd_seq_ev_timestamp_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK) |
360 | #define snd_seq_ev_is_tick(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK) |
361 | #define snd_seq_ev_is_real(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL) |
362 | |
363 | /* time-mode type */ |
364 | #define snd_seq_ev_timemode_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK) |
365 | #define snd_seq_ev_is_abstime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS) |
366 | #define snd_seq_ev_is_reltime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL) |
367 | |
368 | /* queue sync port */ |
369 | #define snd_seq_queue_sync_port(q) ((q) + 16) |
370 | |
371 | #endif /* __KERNEL__ */ |
372 | |
373 | /* system information */ |
374 | struct snd_seq_system_info { |
375 | int queues; /* maximum queues count */ |
376 | int clients; /* maximum clients count */ |
377 | int ports; /* maximum ports per client */ |
378 | int channels; /* maximum channels per port */ |
379 | int cur_clients; /* current clients */ |
380 | int cur_queues; /* current queues */ |
381 | char reserved[24]; |
382 | }; |
383 | |
384 | |
385 | /* system running information */ |
386 | struct snd_seq_running_info { |
387 | unsigned char client; /* client id */ |
388 | unsigned char big_endian; /* 1 = big-endian */ |
389 | unsigned char cpu_mode; /* 4 = 32bit, 8 = 64bit */ |
390 | unsigned char pad; /* reserved */ |
391 | unsigned char reserved[12]; |
392 | }; |
393 | |
394 | |
395 | /* known client numbers */ |
396 | #define SNDRV_SEQ_CLIENT_SYSTEM 0 |
397 | /* internal client numbers */ |
398 | #define SNDRV_SEQ_CLIENT_DUMMY 14 /* midi through */ |
399 | #define SNDRV_SEQ_CLIENT_OSS 15 /* oss sequencer emulator */ |
400 | |
401 | |
402 | /* client types */ |
403 | typedef int __bitwise snd_seq_client_type_t; |
404 | #define NO_CLIENT ((__force snd_seq_client_type_t) 0) |
405 | #define USER_CLIENT ((__force snd_seq_client_type_t) 1) |
406 | #define KERNEL_CLIENT ((__force snd_seq_client_type_t) 2) |
407 | |
408 | /* event filter flags */ |
409 | #define SNDRV_SEQ_FILTER_BROADCAST (1<<0) /* accept broadcast messages */ |
410 | #define SNDRV_SEQ_FILTER_MULTICAST (1<<1) /* accept multicast messages */ |
411 | #define SNDRV_SEQ_FILTER_BOUNCE (1<<2) /* accept bounce event in error */ |
412 | #define SNDRV_SEQ_FILTER_USE_EVENT (1<<31) /* use event filter */ |
413 | |
414 | struct snd_seq_client_info { |
415 | int client; /* client number to inquire */ |
416 | snd_seq_client_type_t type; /* client type */ |
417 | char name[64]; /* client name */ |
418 | unsigned int filter; /* filter flags */ |
419 | unsigned char multicast_filter[8]; /* multicast filter bitmap */ |
420 | unsigned char event_filter[32]; /* event filter bitmap */ |
421 | int num_ports; /* RO: number of ports */ |
422 | int event_lost; /* number of lost events */ |
423 | char reserved[64]; /* for future use */ |
424 | }; |
425 | |
426 | |
427 | /* client pool size */ |
428 | struct snd_seq_client_pool { |
429 | int client; /* client number to inquire */ |
430 | int output_pool; /* outgoing (write) pool size */ |
431 | int input_pool; /* incoming (read) pool size */ |
432 | int output_room; /* minimum free pool size for select/blocking mode */ |
433 | int output_free; /* unused size */ |
434 | int input_free; /* unused size */ |
435 | char reserved[64]; |
436 | }; |
437 | |
438 | |
439 | /* Remove events by specified criteria */ |
440 | |
441 | #define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */ |
442 | #define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */ |
443 | #define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */ |
444 | #define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */ |
445 | #define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */ |
446 | #define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */ |
447 | #define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */ |
448 | #define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */ |
449 | #define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */ |
450 | #define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */ |
451 | |
452 | struct snd_seq_remove_events { |
453 | unsigned int remove_mode; /* Flags that determine what gets removed */ |
454 | |
455 | union snd_seq_timestamp time; |
456 | |
457 | unsigned char queue; /* Queue for REMOVE_DEST */ |
458 | struct snd_seq_addr dest; /* Address for REMOVE_DEST */ |
459 | unsigned char channel; /* Channel for REMOVE_DEST */ |
460 | |
461 | int type; /* For REMOVE_EVENT_TYPE */ |
462 | char tag; /* Tag for REMOVE_TAG */ |
463 | |
464 | int reserved[10]; /* To allow for future binary compatibility */ |
465 | |
466 | }; |
467 | |
468 | |
469 | /* known port numbers */ |
470 | #define SNDRV_SEQ_PORT_SYSTEM_TIMER 0 |
471 | #define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1 |
472 | |
473 | /* port capabilities (32 bits) */ |
474 | #define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */ |
475 | #define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */ |
476 | |
477 | #define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2) |
478 | #define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3) |
479 | |
480 | #define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4) |
481 | |
482 | #define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */ |
483 | #define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */ |
484 | #define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */ |
485 | |
486 | /* port type */ |
487 | #define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */ |
488 | #define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */ |
489 | #define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */ |
490 | #define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */ |
491 | #define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */ |
492 | #define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */ |
493 | #define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */ |
494 | |
495 | /* other standards...*/ |
496 | #define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */ |
497 | #define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */ |
498 | #define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */ |
499 | /*...*/ |
500 | #define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16) /* driver for a hardware device */ |
501 | #define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17) /* implemented in software */ |
502 | #define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */ |
503 | #define SNDRV_SEQ_PORT_TYPE_PORT (1<<19) /* connects to other device(s) */ |
504 | #define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */ |
505 | |
506 | /* misc. conditioning flags */ |
507 | #define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0) |
508 | #define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1) |
509 | #define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2) |
510 | |
511 | struct snd_seq_port_info { |
512 | struct snd_seq_addr addr; /* client/port numbers */ |
513 | char name[64]; /* port name */ |
514 | |
515 | unsigned int capability; /* port capability bits */ |
516 | unsigned int type; /* port type bits */ |
517 | int midi_channels; /* channels per MIDI port */ |
518 | int midi_voices; /* voices per MIDI port */ |
519 | int synth_voices; /* voices per SYNTH port */ |
520 | |
521 | int read_use; /* R/O: subscribers for output (from this port) */ |
522 | int write_use; /* R/O: subscribers for input (to this port) */ |
523 | |
524 | void *kernel; /* reserved for kernel use (must be NULL) */ |
525 | unsigned int flags; /* misc. conditioning */ |
526 | unsigned char time_queue; /* queue # for timestamping */ |
527 | char reserved[59]; /* for future use */ |
528 | }; |
529 | |
530 | |
531 | /* queue flags */ |
532 | #define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */ |
533 | |
534 | /* queue information */ |
535 | struct snd_seq_queue_info { |
536 | int queue; /* queue id */ |
537 | |
538 | /* |
539 | * security settings, only owner of this queue can start/stop timer |
540 | * etc. if the queue is locked for other clients |
541 | */ |
542 | int owner; /* client id for owner of the queue */ |
543 | unsigned locked:1; /* timing queue locked for other queues */ |
544 | char name[64]; /* name of this queue */ |
545 | unsigned int flags; /* flags */ |
546 | char reserved[60]; /* for future use */ |
547 | |
548 | }; |
549 | |
550 | /* queue info/status */ |
551 | struct snd_seq_queue_status { |
552 | int queue; /* queue id */ |
553 | int events; /* read-only - queue size */ |
554 | snd_seq_tick_time_t tick; /* current tick */ |
555 | struct snd_seq_real_time time; /* current time */ |
556 | int running; /* running state of queue */ |
557 | int flags; /* various flags */ |
558 | char reserved[64]; /* for the future */ |
559 | }; |
560 | |
561 | |
562 | /* queue tempo */ |
563 | struct snd_seq_queue_tempo { |
564 | int queue; /* sequencer queue */ |
565 | unsigned int tempo; /* current tempo, us/tick */ |
566 | int ppq; /* time resolution, ticks/quarter */ |
567 | unsigned int skew_value; /* queue skew */ |
568 | unsigned int skew_base; /* queue skew base */ |
569 | char reserved[24]; /* for the future */ |
570 | }; |
571 | |
572 | |
573 | /* sequencer timer sources */ |
574 | #define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */ |
575 | #define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */ |
576 | #define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */ |
577 | |
578 | /* queue timer info */ |
579 | struct snd_seq_queue_timer { |
580 | int queue; /* sequencer queue */ |
581 | int type; /* source timer type */ |
582 | union { |
583 | struct { |
584 | struct snd_timer_id id; /* ALSA's timer ID */ |
585 | unsigned int resolution; /* resolution in Hz */ |
586 | } alsa; |
587 | } u; |
588 | char reserved[64]; /* for the future use */ |
589 | }; |
590 | |
591 | |
592 | struct snd_seq_queue_client { |
593 | int queue; /* sequencer queue */ |
594 | int client; /* sequencer client */ |
595 | int used; /* queue is used with this client |
596 | (must be set for accepting events) */ |
597 | /* per client watermarks */ |
598 | char reserved[64]; /* for future use */ |
599 | }; |
600 | |
601 | |
602 | #define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */ |
603 | #define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1) |
604 | #define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2) |
605 | |
606 | struct snd_seq_port_subscribe { |
607 | struct snd_seq_addr sender; /* sender address */ |
608 | struct snd_seq_addr dest; /* destination address */ |
609 | unsigned int voices; /* number of voices to be allocated (0 = don't care) */ |
610 | unsigned int flags; /* modes */ |
611 | unsigned char queue; /* input time-stamp queue (optional) */ |
612 | unsigned char pad[3]; /* reserved */ |
613 | char reserved[64]; |
614 | }; |
615 | |
616 | /* type of query subscription */ |
617 | #define SNDRV_SEQ_QUERY_SUBS_READ 0 |
618 | #define SNDRV_SEQ_QUERY_SUBS_WRITE 1 |
619 | |
620 | struct snd_seq_query_subs { |
621 | struct snd_seq_addr root; /* client/port id to be searched */ |
622 | int type; /* READ or WRITE */ |
623 | int index; /* 0..N-1 */ |
624 | int num_subs; /* R/O: number of subscriptions on this port */ |
625 | struct snd_seq_addr addr; /* R/O: result */ |
626 | unsigned char queue; /* R/O: result */ |
627 | unsigned int flags; /* R/O: result */ |
628 | char reserved[64]; /* for future use */ |
629 | }; |
630 | |
631 | |
632 | /* |
633 | * IOCTL commands |
634 | */ |
635 | |
636 | #define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int) |
637 | #define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int) |
638 | #define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info) |
639 | #define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info) |
640 | |
641 | #define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info) |
642 | #define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info) |
643 | |
644 | #define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info) |
645 | #define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info) |
646 | #define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info) |
647 | #define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info) |
648 | |
649 | #define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe) |
650 | #define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe) |
651 | |
652 | #define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info) |
653 | #define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info) |
654 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info) |
655 | #define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info) |
656 | #define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info) |
657 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status) |
658 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo) |
659 | #define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo) |
660 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_OWNER _IOWR('S', 0x43, struct snd_seq_queue_owner) |
661 | #define SNDRV_SEQ_IOCTL_SET_QUEUE_OWNER _IOW ('S', 0x44, struct snd_seq_queue_owner) |
662 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer) |
663 | #define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer) |
664 | /* XXX |
665 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_SYNC _IOWR('S', 0x53, struct snd_seq_queue_sync) |
666 | #define SNDRV_SEQ_IOCTL_SET_QUEUE_SYNC _IOW ('S', 0x54, struct snd_seq_queue_sync) |
667 | */ |
668 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client) |
669 | #define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client) |
670 | #define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool) |
671 | #define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool) |
672 | #define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events) |
673 | #define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs) |
674 | #define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe) |
675 | #define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info) |
676 | #define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info) |
677 | |
678 | #endif /* __SOUND_ASEQUENCER_H */ |
679 |
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