~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/include/sound/asequencer.h

Version: ~ [ linux-5.10-rc1 ] ~ [ linux-5.9.1 ] ~ [ linux-5.8.16 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.72 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.152 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.202 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.240 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.240 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  *  Main header file for the ALSA sequencer
  3  *  Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@home.nl>
  4  *            (c) 1998-1999 by Jaroslav Kysela <perex@suse.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 #ifndef __KERNEL__
 26 #include <linux/ioctl.h>
 27 #endif
 28 
 29 #include <sound/asound.h>
 30 
 31 /** version of the sequencer */
 32 #define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION (1, 0, 1)
 33 
 34 /**
 35  * definition of sequencer event types
 36  */
 37 
 38 /** system messages
 39  * event data type = #sndrv_seq_result_t
 40  */
 41 #define SNDRV_SEQ_EVENT_SYSTEM          0
 42 #define SNDRV_SEQ_EVENT_RESULT          1
 43 
 44 /** note messages (channel specific)
 45  * event data type = #sndrv_seq_ev_note
 46  */
 47 #define SNDRV_SEQ_EVENT_NOTE            5
 48 #define SNDRV_SEQ_EVENT_NOTEON          6
 49 #define SNDRV_SEQ_EVENT_NOTEOFF         7
 50 #define SNDRV_SEQ_EVENT_KEYPRESS        8
 51         
 52 /** control messages (channel specific)
 53  * event data type = #sndrv_seq_ev_ctrl
 54  */
 55 #define SNDRV_SEQ_EVENT_CONTROLLER      10
 56 #define SNDRV_SEQ_EVENT_PGMCHANGE       11
 57 #define SNDRV_SEQ_EVENT_CHANPRESS       12
 58 #define SNDRV_SEQ_EVENT_PITCHBEND       13      /**< from -8192 to 8191 */
 59 #define SNDRV_SEQ_EVENT_CONTROL14       14      /**< 14 bit controller value */
 60 #define SNDRV_SEQ_EVENT_NONREGPARAM     15      /**< 14 bit NRPN address + 14 bit unsigned value */
 61 #define SNDRV_SEQ_EVENT_REGPARAM        16      /**< 14 bit RPN address + 14 bit unsigned value */
 62 
 63 /** synchronisation messages
 64  * event data type = #sndrv_seq_ev_ctrl
 65  */
 66 #define SNDRV_SEQ_EVENT_SONGPOS         20      /* Song Position Pointer with LSB and MSB values */
 67 #define SNDRV_SEQ_EVENT_SONGSEL         21      /* Song Select with song ID number */
 68 #define SNDRV_SEQ_EVENT_QFRAME          22      /* midi time code quarter frame */
 69 #define SNDRV_SEQ_EVENT_TIMESIGN        23      /* SMF Time Signature event */
 70 #define SNDRV_SEQ_EVENT_KEYSIGN         24      /* SMF Key Signature event */
 71                 
 72 /** timer messages
 73  * event data type = sndrv_seq_ev_queue_control_t
 74  */
 75 #define SNDRV_SEQ_EVENT_START           30      /* midi Real Time Start message */
 76 #define SNDRV_SEQ_EVENT_CONTINUE        31      /* midi Real Time Continue message */
 77 #define SNDRV_SEQ_EVENT_STOP            32      /* midi Real Time Stop message */       
 78 #define SNDRV_SEQ_EVENT_SETPOS_TICK     33      /* set tick queue position */
 79 #define SNDRV_SEQ_EVENT_SETPOS_TIME     34      /* set realtime queue position */
 80 #define SNDRV_SEQ_EVENT_TEMPO           35      /* (SMF) Tempo event */
 81 #define SNDRV_SEQ_EVENT_CLOCK           36      /* midi Real Time Clock message */
 82 #define SNDRV_SEQ_EVENT_TICK            37      /* midi Real Time Tick message */
 83 #define SNDRV_SEQ_EVENT_QUEUE_SKEW      38      /* skew queue tempo */
 84 
 85 /** others
 86  * event data type = none
 87  */
 88 #define SNDRV_SEQ_EVENT_TUNE_REQUEST    40      /* tune request */
 89 #define SNDRV_SEQ_EVENT_RESET           41      /* reset to power-on state */
 90 #define SNDRV_SEQ_EVENT_SENSING         42      /* "active sensing" event */
 91 
 92 /** echo back, kernel private messages
 93  * event data type = any type
 94  */
 95 #define SNDRV_SEQ_EVENT_ECHO            50      /* echo event */
 96 #define SNDRV_SEQ_EVENT_OSS             51      /* OSS raw event */
 97 
 98 /** system status messages (broadcast for subscribers)
 99  * event data type = sndrv_seq_addr_t
100  */
101 #define SNDRV_SEQ_EVENT_CLIENT_START    60      /* new client has connected */
102 #define SNDRV_SEQ_EVENT_CLIENT_EXIT     61      /* client has left the system */
103 #define SNDRV_SEQ_EVENT_CLIENT_CHANGE   62      /* client status/info has changed */
104 #define SNDRV_SEQ_EVENT_PORT_START      63      /* new port was created */
105 #define SNDRV_SEQ_EVENT_PORT_EXIT       64      /* port was deleted from system */
106 #define SNDRV_SEQ_EVENT_PORT_CHANGE     65      /* port status/info has changed */
107 
108 /** port connection changes
109  * event data type = sndrv_seq_connect_t
110  */
111 #define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66      /* ports connected */
112 #define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67    /* ports disconnected */
113 
114 /** synthesizer events
115  * event data type = sndrv_seq_eve_sample_control_t
116  */
117 #define SNDRV_SEQ_EVENT_SAMPLE          70      /* sample select */
118 #define SNDRV_SEQ_EVENT_SAMPLE_CLUSTER  71      /* sample cluster select */
119 #define SNDRV_SEQ_EVENT_SAMPLE_START    72      /* voice start */
120 #define SNDRV_SEQ_EVENT_SAMPLE_STOP     73      /* voice stop */
121 #define SNDRV_SEQ_EVENT_SAMPLE_FREQ     74      /* playback frequency */
122 #define SNDRV_SEQ_EVENT_SAMPLE_VOLUME   75      /* volume and balance */
123 #define SNDRV_SEQ_EVENT_SAMPLE_LOOP     76      /* sample loop */
124 #define SNDRV_SEQ_EVENT_SAMPLE_POSITION 77      /* sample position */
125 #define SNDRV_SEQ_EVENT_SAMPLE_PRIVATE1 78      /* private (hardware dependent) event */
126 
127 /** user-defined events with fixed length
128  * event data type = any
129  */
130 #define SNDRV_SEQ_EVENT_USR0            90
131 #define SNDRV_SEQ_EVENT_USR1            91
132 #define SNDRV_SEQ_EVENT_USR2            92
133 #define SNDRV_SEQ_EVENT_USR3            93
134 #define SNDRV_SEQ_EVENT_USR4            94
135 #define SNDRV_SEQ_EVENT_USR5            95
136 #define SNDRV_SEQ_EVENT_USR6            96
137 #define SNDRV_SEQ_EVENT_USR7            97
138 #define SNDRV_SEQ_EVENT_USR8            98
139 #define SNDRV_SEQ_EVENT_USR9            99
140 
141 /** instrument layer
142  * variable length data can be passed directly to the driver
143  */
144 #define SNDRV_SEQ_EVENT_INSTR_BEGIN     100     /* begin of instrument management */
145 #define SNDRV_SEQ_EVENT_INSTR_END       101     /* end of instrument management */
146 #define SNDRV_SEQ_EVENT_INSTR_INFO      102     /* instrument interface info */
147 #define SNDRV_SEQ_EVENT_INSTR_INFO_RESULT 103   /* result */
148 #define SNDRV_SEQ_EVENT_INSTR_FINFO     104     /* get format info */
149 #define SNDRV_SEQ_EVENT_INSTR_FINFO_RESULT 105  /* get format info */
150 #define SNDRV_SEQ_EVENT_INSTR_RESET     106     /* reset instrument memory */
151 #define SNDRV_SEQ_EVENT_INSTR_STATUS    107     /* instrument interface status */
152 #define SNDRV_SEQ_EVENT_INSTR_STATUS_RESULT 108 /* result */
153 #define SNDRV_SEQ_EVENT_INSTR_PUT       109     /* put instrument to port */
154 #define SNDRV_SEQ_EVENT_INSTR_GET       110     /* get instrument from port */
155 #define SNDRV_SEQ_EVENT_INSTR_GET_RESULT 111    /* result */
156 #define SNDRV_SEQ_EVENT_INSTR_FREE      112     /* free instrument(s) */
157 #define SNDRV_SEQ_EVENT_INSTR_LIST      113     /* instrument list */
158 #define SNDRV_SEQ_EVENT_INSTR_LIST_RESULT 114   /* result */
159 #define SNDRV_SEQ_EVENT_INSTR_CLUSTER   115     /* cluster parameters */
160 #define SNDRV_SEQ_EVENT_INSTR_CLUSTER_GET 116   /* get cluster parameters */
161 #define SNDRV_SEQ_EVENT_INSTR_CLUSTER_RESULT 117 /* result */
162 #define SNDRV_SEQ_EVENT_INSTR_CHANGE    118     /* instrument change */
163 /* 119-129: reserved */
164 
165 /* 130-139: variable length events
166  * event data type = sndrv_seq_ev_ext
167  * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set)
168  */
169 #define SNDRV_SEQ_EVENT_SYSEX           130     /* system exclusive data (variable length) */
170 #define SNDRV_SEQ_EVENT_BOUNCE          131     /* error event */
171 /* 132-134: reserved */
172 #define SNDRV_SEQ_EVENT_USR_VAR0        135
173 #define SNDRV_SEQ_EVENT_USR_VAR1        136
174 #define SNDRV_SEQ_EVENT_USR_VAR2        137
175 #define SNDRV_SEQ_EVENT_USR_VAR3        138
176 #define SNDRV_SEQ_EVENT_USR_VAR4        139
177 
178 /* 150-151: kernel events with quote - DO NOT use in user clients */
179 #define SNDRV_SEQ_EVENT_KERNEL_ERROR    150
180 #define SNDRV_SEQ_EVENT_KERNEL_QUOTE    151
181 
182 /* 152-191: reserved */
183 
184 /* 192-254: hardware specific events */
185 
186 /* 255: special event */
187 #define SNDRV_SEQ_EVENT_NONE            255
188 
189 
190 typedef unsigned char sndrv_seq_event_type_t;
191 
192 /** event address */
193 struct sndrv_seq_addr {
194         unsigned char client;   /**< Client number:         0..255, 255 = broadcast to all clients */
195         unsigned char port;     /**< Port within client:    0..255, 255 = broadcast to all ports */
196 };
197 
198 /** port connection */
199 struct sndrv_seq_connect {
200         struct sndrv_seq_addr sender;
201         struct sndrv_seq_addr dest;
202 };
203 
204 
205 #define SNDRV_SEQ_ADDRESS_UNKNOWN       253     /* unknown source */
206 #define SNDRV_SEQ_ADDRESS_SUBSCRIBERS   254     /* send event to all subscribed ports */
207 #define SNDRV_SEQ_ADDRESS_BROADCAST     255     /* send event to all queues/clients/ports/channels */
208 #define SNDRV_SEQ_QUEUE_DIRECT          253     /* direct dispatch */
209 
210         /* event mode flag - NOTE: only 8 bits available! */
211 #define SNDRV_SEQ_TIME_STAMP_TICK       (0<<0) /* timestamp in clock ticks */
212 #define SNDRV_SEQ_TIME_STAMP_REAL       (1<<0) /* timestamp in real time */
213 #define SNDRV_SEQ_TIME_STAMP_MASK       (1<<0)
214 
215 #define SNDRV_SEQ_TIME_MODE_ABS         (0<<1)  /* absolute timestamp */
216 #define SNDRV_SEQ_TIME_MODE_REL         (1<<1)  /* relative to current time */
217 #define SNDRV_SEQ_TIME_MODE_MASK        (1<<1)
218 
219 #define SNDRV_SEQ_EVENT_LENGTH_FIXED    (0<<2)  /* fixed event size */
220 #define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2)  /* variable event size */
221 #define SNDRV_SEQ_EVENT_LENGTH_VARUSR   (2<<2)  /* variable event size - user memory space */
222 #define SNDRV_SEQ_EVENT_LENGTH_MASK     (3<<2)
223 
224 #define SNDRV_SEQ_PRIORITY_NORMAL       (0<<4)  /* normal priority */
225 #define SNDRV_SEQ_PRIORITY_HIGH         (1<<4)  /* event should be processed before others */
226 #define SNDRV_SEQ_PRIORITY_MASK         (1<<4)
227 
228 
229         /* note event */
230 struct sndrv_seq_ev_note {
231         unsigned char channel;
232         unsigned char note;
233         unsigned char velocity;
234         unsigned char off_velocity;     /* only for SNDRV_SEQ_EVENT_NOTE */
235         unsigned int duration;          /* only for SNDRV_SEQ_EVENT_NOTE */
236 };
237 
238         /* controller event */
239 struct sndrv_seq_ev_ctrl {
240         unsigned char channel;
241         unsigned char unused1, unused2, unused3;        /* pad */
242         unsigned int param;
243         signed int value;
244 };
245 
246         /* generic set of bytes (12x8 bit) */
247 struct sndrv_seq_ev_raw8 {
248         unsigned char d[12];    /* 8 bit value */
249 };
250 
251         /* generic set of integers (3x32 bit) */
252 struct sndrv_seq_ev_raw32 {
253         unsigned int d[3];      /* 32 bit value */
254 };
255 
256         /* external stored data */
257 struct sndrv_seq_ev_ext {
258         unsigned int len;       /* length of data */
259         void *ptr;              /* pointer to data (note: maybe 64-bit) */
260 } __attribute__((packed));
261 
262 /* Instrument cluster type */
263 typedef unsigned int sndrv_seq_instr_cluster_t;
264 
265 /* Instrument type */
266 struct sndrv_seq_instr {
267         sndrv_seq_instr_cluster_t cluster;
268         unsigned int std;               /* the upper byte means a private instrument (owner - client #) */
269         unsigned short bank;
270         unsigned short prg;
271 };
272 
273         /* sample number */
274 struct sndrv_seq_ev_sample {
275         unsigned int std;
276         unsigned short bank;
277         unsigned short prg;
278 };
279 
280         /* sample cluster */
281 struct sndrv_seq_ev_cluster {
282         sndrv_seq_instr_cluster_t cluster;
283 };
284 
285         /* sample position */
286 typedef unsigned int sndrv_seq_position_t; /* playback position (in samples) * 16 */
287 
288         /* sample stop mode */
289 enum sndrv_seq_stop_mode {
290         SAMPLE_STOP_IMMEDIATELY = 0,    /* terminate playing immediately */
291         SAMPLE_STOP_VENVELOPE = 1,      /* finish volume envelope */
292         SAMPLE_STOP_LOOP = 2            /* terminate loop and finish wave */
293 };
294 
295         /* sample frequency */
296 typedef int sndrv_seq_frequency_t; /* playback frequency in HZ * 16 */
297 
298         /* sample volume control; if any value is set to -1 == do not change */
299 struct sndrv_seq_ev_volume {
300         signed short volume;    /* range: 0-16383 */
301         signed short lr;        /* left-right balance; range: 0-16383 */
302         signed short fr;        /* front-rear balance; range: 0-16383 */
303         signed short du;        /* down-up balance; range: 0-16383 */
304 };
305 
306         /* simple loop redefinition */
307 struct sndrv_seq_ev_loop {
308         unsigned int start;     /* loop start (in samples) * 16 */
309         unsigned int end;       /* loop end (in samples) * 16 */
310 };
311 
312 struct sndrv_seq_ev_sample_control {
313         unsigned char channel;
314         unsigned char unused1, unused2, unused3;        /* pad */
315         union {
316                 struct sndrv_seq_ev_sample sample;
317                 struct sndrv_seq_ev_cluster cluster;
318                 sndrv_seq_position_t position;
319                 enum sndrv_seq_stop_mode stop_mode;
320                 sndrv_seq_frequency_t frequency;
321                 struct sndrv_seq_ev_volume volume;
322                 struct sndrv_seq_ev_loop loop;
323                 unsigned char raw8[8];
324         } param;
325 };
326 
327 
328 
329 /* INSTR_BEGIN event */
330 struct sndrv_seq_ev_instr_begin {
331         int timeout;            /* zero = forever, otherwise timeout in ms */
332 };
333 
334 struct sndrv_seq_result {
335         int event;              /* processed event type */
336         int result;
337 };
338 
339 
340 struct sndrv_seq_real_time {
341         unsigned int tv_sec;    /* seconds */
342         unsigned int tv_nsec;   /* nanoseconds */
343 };
344 
345 typedef unsigned int sndrv_seq_tick_time_t;     /* midi ticks */
346 
347 union sndrv_seq_timestamp {
348         sndrv_seq_tick_time_t tick;
349         struct sndrv_seq_real_time time;
350 };
351 
352 struct sndrv_seq_queue_skew {
353         unsigned int value;
354         unsigned int base;
355 };
356 
357         /* queue timer control */
358 struct sndrv_seq_ev_queue_control {
359         unsigned char queue;                    /* affected queue */
360         unsigned char pad[3];                   /* reserved */
361         union {
362                 signed int value;               /* affected value (e.g. tempo) */
363                 union sndrv_seq_timestamp time; /* time */
364                 unsigned int position;          /* sync position */
365                 struct sndrv_seq_queue_skew skew;
366                 unsigned int d32[2];
367                 unsigned char d8[8];
368         } param;
369 };
370 
371         /* quoted event - inside the kernel only */
372 struct sndrv_seq_ev_quote {
373         struct sndrv_seq_addr origin;           /* original sender */
374         unsigned short value;           /* optional data */
375         struct sndrv_seq_event *event;          /* quoted event */
376 } __attribute__((packed));
377 
378 
379         /* sequencer event */
380 struct sndrv_seq_event {
381         sndrv_seq_event_type_t type;    /* event type */
382         unsigned char flags;            /* event flags */
383         char tag;
384         
385         unsigned char queue;            /* schedule queue */
386         union sndrv_seq_timestamp time; /* schedule time */
387 
388 
389         struct sndrv_seq_addr source;   /* source address */
390         struct sndrv_seq_addr dest;     /* destination address */
391 
392         union {                         /* event data... */
393                 struct sndrv_seq_ev_note note;
394                 struct sndrv_seq_ev_ctrl control;
395                 struct sndrv_seq_ev_raw8 raw8;
396                 struct sndrv_seq_ev_raw32 raw32;
397                 struct sndrv_seq_ev_ext ext;
398                 struct sndrv_seq_ev_queue_control queue;
399                 union sndrv_seq_timestamp time;
400                 struct sndrv_seq_addr addr;
401                 struct sndrv_seq_connect connect;
402                 struct sndrv_seq_result result;
403                 struct sndrv_seq_ev_instr_begin instr_begin;
404                 struct sndrv_seq_ev_sample_control sample;
405                 struct sndrv_seq_ev_quote quote;
406         } data;
407 };
408 
409 
410 /*
411  * bounce event - stored as variable size data
412  */
413 struct sndrv_seq_event_bounce {
414         int err;
415         struct sndrv_seq_event event;
416         /* external data follows here. */
417 };
418 
419 #define sndrv_seq_event_bounce_ext_data(ev) ((void*)((char *)(ev)->data.ext.ptr + sizeof(sndrv_seq_event_bounce_t)))
420 
421 /*
422  * type check macros
423  */
424 /* result events: 0-4 */
425 #define sndrv_seq_ev_is_result_type(ev) ((ev)->type < 5)
426 /* channel specific events: 5-19 */
427 #define sndrv_seq_ev_is_channel_type(ev)        ((ev)->type >= 5 && (ev)->type < 20)
428 /* note events: 5-9 */
429 #define sndrv_seq_ev_is_note_type(ev)   ((ev)->type >= 5 && (ev)->type < 10)
430 /* control events: 10-19 */
431 #define sndrv_seq_ev_is_control_type(ev)        ((ev)->type >= 10 && (ev)->type < 20)
432 /* queue control events: 30-39 */
433 #define sndrv_seq_ev_is_queue_type(ev)  ((ev)->type >= 30 && (ev)->type < 40)
434 /* system status messages */
435 #define sndrv_seq_ev_is_message_type(ev)        ((ev)->type >= 60 && (ev)->type < 69)
436 /* sample messages */
437 #define sndrv_seq_ev_is_sample_type(ev) ((ev)->type >= 70 && (ev)->type < 79)
438 /* user-defined messages */
439 #define sndrv_seq_ev_is_user_type(ev)   ((ev)->type >= 90 && (ev)->type < 99)
440 /* fixed length events: 0-99 */
441 #define sndrv_seq_ev_is_fixed_type(ev)  ((ev)->type < 100)
442 /* instrument layer events: 100-129 */
443 #define sndrv_seq_ev_is_instr_type(ev)  ((ev)->type >= 100 && (ev)->type < 130)
444 /* variable length events: 130-139 */
445 #define sndrv_seq_ev_is_variable_type(ev)       ((ev)->type >= 130 && (ev)->type < 140)
446 /* reserved for kernel */
447 #define sndrv_seq_ev_is_reserved(ev)    ((ev)->type >= 150)
448 
449 /* direct dispatched events */
450 #define sndrv_seq_ev_is_direct(ev)      ((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT)
451 
452 /*
453  * macros to check event flags
454  */
455 /* prior events */
456 #define sndrv_seq_ev_is_prior(ev)               (((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH)
457 
458 /* event length type */
459 #define sndrv_seq_ev_length_type(ev)    ((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK)
460 #define sndrv_seq_ev_is_fixed(ev)               (sndrv_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED)
461 #define sndrv_seq_ev_is_variable(ev)    (sndrv_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE)
462 #define sndrv_seq_ev_is_varusr(ev)      (sndrv_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR)
463 
464 /* time-stamp type */
465 #define sndrv_seq_ev_timestamp_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK)
466 #define sndrv_seq_ev_is_tick(ev)                (sndrv_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK)
467 #define sndrv_seq_ev_is_real(ev)                (sndrv_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL)
468 
469 /* time-mode type */
470 #define sndrv_seq_ev_timemode_type(ev)  ((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK)
471 #define sndrv_seq_ev_is_abstime(ev)     (sndrv_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS)
472 #define sndrv_seq_ev_is_reltime(ev)     (sndrv_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL)
473 
474 /* queue sync port */
475 #define sndrv_seq_queue_sync_port(q)    ((q) + 16)
476 
477         /* system information */
478 struct sndrv_seq_system_info {
479         int queues;                     /* maximum queues count */
480         int clients;                    /* maximum clients count */
481         int ports;                      /* maximum ports per client */
482         int channels;                   /* maximum channels per port */
483         int cur_clients;                /* current clients */
484         int cur_queues;                 /* current queues */
485         char reserved[24];
486 };
487 
488 
489         /* system running information */
490 struct sndrv_seq_running_info {
491         unsigned char client;           /* client id */
492         unsigned char big_endian;       /* 1 = big-endian */
493         unsigned char cpu_mode;         /* 4 = 32bit, 8 = 64bit */
494         unsigned char pad;              /* reserved */
495         unsigned char reserved[12];
496 };
497 
498 
499         /* known client numbers */
500 #define SNDRV_SEQ_CLIENT_SYSTEM         0
501 #define SNDRV_SEQ_CLIENT_DUMMY          62      /* dummy ports */
502 #define SNDRV_SEQ_CLIENT_OSS            63      /* oss sequencer emulator */
503 
504 
505         /* client types */
506 enum sndrv_seq_client_type {
507         NO_CLIENT       = 0,
508         USER_CLIENT     = 1,
509         KERNEL_CLIENT   = 2
510 };
511                         
512         /* event filter flags */
513 #define SNDRV_SEQ_FILTER_BROADCAST      (1<<0)  /* accept broadcast messages */
514 #define SNDRV_SEQ_FILTER_MULTICAST      (1<<1)  /* accept multicast messages */
515 #define SNDRV_SEQ_FILTER_BOUNCE         (1<<2)  /* accept bounce event in error */
516 #define SNDRV_SEQ_FILTER_USE_EVENT      (1<<31) /* use event filter */
517 
518 struct sndrv_seq_client_info {
519         int client;                     /* client number to inquire */
520         enum sndrv_seq_client_type type;        /* client type */
521         char name[64];                  /* client name */
522         unsigned int filter;            /* filter flags */
523         unsigned char multicast_filter[8]; /* multicast filter bitmap */
524         unsigned char event_filter[32]; /* event filter bitmap */
525         int num_ports;                  /* RO: number of ports */
526         int event_lost;                 /* number of lost events */
527         char reserved[64];              /* for future use */
528 };
529 
530 
531 /* client pool size */
532 struct sndrv_seq_client_pool {
533         int client;                     /* client number to inquire */
534         int output_pool;                /* outgoing (write) pool size */
535         int input_pool;                 /* incoming (read) pool size */
536         int output_room;                /* minimum free pool size for select/blocking mode */
537         int output_free;                /* unused size */
538         int input_free;                 /* unused size */
539         char reserved[64];
540 };
541 
542 
543 /* Remove events by specified criteria */
544 
545 #define SNDRV_SEQ_REMOVE_INPUT          (1<<0)  /* Flush input queues */
546 #define SNDRV_SEQ_REMOVE_OUTPUT         (1<<1)  /* Flush output queues */
547 #define SNDRV_SEQ_REMOVE_DEST           (1<<2)  /* Restrict by destination q:client:port */
548 #define SNDRV_SEQ_REMOVE_DEST_CHANNEL   (1<<3)  /* Restrict by channel */
549 #define SNDRV_SEQ_REMOVE_TIME_BEFORE    (1<<4)  /* Restrict to before time */
550 #define SNDRV_SEQ_REMOVE_TIME_AFTER     (1<<5)  /* Restrict to time or after */
551 #define SNDRV_SEQ_REMOVE_TIME_TICK      (1<<6)  /* Time is in ticks */
552 #define SNDRV_SEQ_REMOVE_EVENT_TYPE     (1<<7)  /* Restrict to event type */
553 #define SNDRV_SEQ_REMOVE_IGNORE_OFF     (1<<8)  /* Do not flush off events */
554 #define SNDRV_SEQ_REMOVE_TAG_MATCH      (1<<9)  /* Restrict to events with given tag */
555 
556 struct sndrv_seq_remove_events {
557         unsigned int  remove_mode;      /* Flags that determine what gets removed */
558 
559         union sndrv_seq_timestamp time;
560 
561         unsigned char queue;    /* Queue for REMOVE_DEST */
562         struct sndrv_seq_addr dest;     /* Address for REMOVE_DEST */
563         unsigned char channel;  /* Channel for REMOVE_DEST */
564 
565         int  type;      /* For REMOVE_EVENT_TYPE */
566         char  tag;      /* Tag for REMOVE_TAG */
567 
568         int  reserved[10];      /* To allow for future binary compatibility */
569 
570 };
571 
572 
573         /* known port numbers */
574 #define SNDRV_SEQ_PORT_SYSTEM_TIMER     0
575 #define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE  1
576 
577         /* port capabilities (32 bits) */
578 #define SNDRV_SEQ_PORT_CAP_READ         (1<<0)  /* readable from this port */
579 #define SNDRV_SEQ_PORT_CAP_WRITE        (1<<1)  /* writable to this port */
580 
581 #define SNDRV_SEQ_PORT_CAP_SYNC_READ    (1<<2)
582 #define SNDRV_SEQ_PORT_CAP_SYNC_WRITE   (1<<3)
583 
584 #define SNDRV_SEQ_PORT_CAP_DUPLEX       (1<<4)
585 
586 #define SNDRV_SEQ_PORT_CAP_SUBS_READ    (1<<5)  /* allow read subscription */
587 #define SNDRV_SEQ_PORT_CAP_SUBS_WRITE   (1<<6)  /* allow write subscription */
588 #define SNDRV_SEQ_PORT_CAP_NO_EXPORT    (1<<7)  /* routing not allowed */
589 
590         /* port type */
591 #define SNDRV_SEQ_PORT_TYPE_SPECIFIC    (1<<0)  /* hardware specific */
592 #define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */
593 #define SNDRV_SEQ_PORT_TYPE_MIDI_GM     (1<<2)  /* General MIDI compatible device */
594 #define SNDRV_SEQ_PORT_TYPE_MIDI_GS     (1<<3)  /* GS compatible device */
595 #define SNDRV_SEQ_PORT_TYPE_MIDI_XG     (1<<4)  /* XG compatible device */
596 #define SNDRV_SEQ_PORT_TYPE_MIDI_MT32   (1<<5)  /* MT-32 compatible device */
597 
598 /* other standards...*/
599 #define SNDRV_SEQ_PORT_TYPE_SYNTH       (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */
600 #define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11)       /* Sampling device (support sample download) */
601 #define SNDRV_SEQ_PORT_TYPE_SAMPLE      (1<<12) /* Sampling device (sample can be downloaded at any time) */
602 /*...*/
603 #define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */
604 
605 /* misc. conditioning flags */
606 #define SNDRV_SEQ_PORT_FLG_GIVEN_PORT   (1<<0)
607 #define SNDRV_SEQ_PORT_FLG_TIMESTAMP    (1<<1)
608 #define SNDRV_SEQ_PORT_FLG_TIME_REAL    (1<<1)
609 
610 struct sndrv_seq_port_info {
611         struct sndrv_seq_addr addr;     /* client/port numbers */
612         char name[64];                  /* port name */
613 
614         unsigned int capability;        /* port capability bits */
615         unsigned int type;              /* port type bits */
616         int midi_channels;              /* channels per MIDI port */
617         int midi_voices;                /* voices per MIDI port */
618         int synth_voices;               /* voices per SYNTH port */
619 
620         int read_use;                   /* R/O: subscribers for output (from this port) */
621         int write_use;                  /* R/O: subscribers for input (to this port) */
622 
623         void *kernel;                   /* reserved for kernel use (must be NULL) */
624         unsigned int flags;             /* misc. conditioning */
625         unsigned char time_queue;       /* queue # for timestamping */
626         char reserved[59];              /* for future use */
627 };
628 
629 
630 /* queue flags */
631 #define SNDRV_SEQ_QUEUE_FLG_SYNC        (1<<0)  /* sync enabled */
632 
633 /* queue information */
634 struct sndrv_seq_queue_info {
635         int queue;              /* queue id */
636 
637         /*
638          *  security settings, only owner of this queue can start/stop timer
639          *  etc. if the queue is locked for other clients
640          */
641         int owner;              /* client id for owner of the queue */
642         int locked:1;           /* timing queue locked for other queues */
643         char name[64];          /* name of this queue */
644         unsigned int flags;     /* flags */
645         char reserved[60];      /* for future use */
646 
647 };
648 
649 /* queue info/status */
650 struct sndrv_seq_queue_status {
651         int queue;                      /* queue id */
652         int events;                     /* read-only - queue size */
653         sndrv_seq_tick_time_t tick;     /* current tick */
654         struct sndrv_seq_real_time time; /* current time */
655         int running;                    /* running state of queue */
656         int flags;                      /* various flags */
657         char reserved[64];              /* for the future */
658 };
659 
660 
661 /* queue tempo */
662 struct sndrv_seq_queue_tempo {
663         int queue;                      /* sequencer queue */
664         unsigned int tempo;             /* current tempo, us/tick */
665         int ppq;                        /* time resolution, ticks/quarter */
666         unsigned int skew_value;        /* queue skew */
667         unsigned int skew_base;         /* queue skew base */
668         char reserved[24];              /* for the future */
669 };
670 
671 
672 /* sequencer timer sources */
673 #define SNDRV_SEQ_TIMER_ALSA            0       /* ALSA timer */
674 #define SNDRV_SEQ_TIMER_MIDI_CLOCK      1       /* Midi Clock (CLOCK event) */
675 #define SNDRV_SEQ_TIMER_MIDI_TICK       2       /* Midi Timer Tick (TICK event) */
676 
677 /* queue timer info */
678 struct sndrv_seq_queue_timer {
679         int queue;                      /* sequencer queue */
680         int type;                       /* source timer type */
681         union {
682                 struct {
683                         struct sndrv_timer_id id;       /* ALSA's timer ID */
684                         unsigned int resolution;        /* resolution in Hz */
685                 } alsa;
686         } u;
687         char reserved[64];              /* for the future use */
688 };
689 
690 
691 struct sndrv_seq_queue_client {
692         int queue;              /* sequencer queue */
693         int client;             /* sequencer client */
694         int used;               /* queue is used with this client
695                                    (must be set for accepting events) */
696         /* per client watermarks */
697         char reserved[64];      /* for future use */
698 };
699 
700 
701 #define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE   (1<<0)  /* exclusive connection */
702 #define SNDRV_SEQ_PORT_SUBS_TIMESTAMP   (1<<1)
703 #define SNDRV_SEQ_PORT_SUBS_TIME_REAL   (1<<2)
704 
705 struct sndrv_seq_port_subscribe {
706         struct sndrv_seq_addr sender;   /* sender address */
707         struct sndrv_seq_addr dest;     /* destination address */
708         unsigned int voices;            /* number of voices to be allocated (0 = don't care) */
709         unsigned int flags;             /* modes */
710         unsigned char queue;            /* input time-stamp queue (optional) */
711         unsigned char pad[3];           /* reserved */
712         char reserved[64];
713 };
714 
715 /* type of query subscription */
716 #define SNDRV_SEQ_QUERY_SUBS_READ       0
717 #define SNDRV_SEQ_QUERY_SUBS_WRITE      1
718 
719 struct sndrv_seq_query_subs {
720         struct sndrv_seq_addr root;     /* client/port id to be searched */
721         int type;               /* READ or WRITE */
722         int index;              /* 0..N-1 */
723         int num_subs;           /* R/O: number of subscriptions on this port */
724         struct sndrv_seq_addr addr;     /* R/O: result */
725         unsigned char queue;    /* R/O: result */
726         unsigned int flags;     /* R/O: result */
727         char reserved[64];      /* for future use */
728 };
729 
730 
731 /*
732  *  Instrument abstraction layer
733  *     - based on events
734  */
735 
736 /* instrument types */
737 #define SNDRV_SEQ_INSTR_ATYPE_DATA      0       /* instrument data */
738 #define SNDRV_SEQ_INSTR_ATYPE_ALIAS     1       /* instrument alias */
739 
740 /* instrument ASCII identifiers */
741 #define SNDRV_SEQ_INSTR_ID_DLS1         "DLS1"
742 #define SNDRV_SEQ_INSTR_ID_DLS2         "DLS2"
743 #define SNDRV_SEQ_INSTR_ID_SIMPLE       "Simple Wave"
744 #define SNDRV_SEQ_INSTR_ID_SOUNDFONT    "SoundFont"
745 #define SNDRV_SEQ_INSTR_ID_GUS_PATCH    "GUS Patch"
746 #define SNDRV_SEQ_INSTR_ID_INTERWAVE    "InterWave FFFF"
747 #define SNDRV_SEQ_INSTR_ID_OPL2_3       "OPL2/3 FM"
748 #define SNDRV_SEQ_INSTR_ID_OPL4         "OPL4"
749 
750 /* instrument types */
751 #define SNDRV_SEQ_INSTR_TYPE0_DLS1      (1<<0)  /* MIDI DLS v1 */
752 #define SNDRV_SEQ_INSTR_TYPE0_DLS2      (1<<1)  /* MIDI DLS v2 */
753 #define SNDRV_SEQ_INSTR_TYPE1_SIMPLE    (1<<0)  /* Simple Wave */
754 #define SNDRV_SEQ_INSTR_TYPE1_SOUNDFONT (1<<1)  /* EMU SoundFont */
755 #define SNDRV_SEQ_INSTR_TYPE1_GUS_PATCH (1<<2)  /* Gravis UltraSound Patch */
756 #define SNDRV_SEQ_INSTR_TYPE1_INTERWAVE (1<<3)  /* InterWave FFFF */
757 #define SNDRV_SEQ_INSTR_TYPE2_OPL2_3    (1<<0)  /* Yamaha OPL2/3 FM */
758 #define SNDRV_SEQ_INSTR_TYPE2_OPL4      (1<<1)  /* Yamaha OPL4 */
759 
760 /* put commands */
761 #define SNDRV_SEQ_INSTR_PUT_CMD_CREATE  0
762 #define SNDRV_SEQ_INSTR_PUT_CMD_REPLACE 1
763 #define SNDRV_SEQ_INSTR_PUT_CMD_MODIFY  2
764 #define SNDRV_SEQ_INSTR_PUT_CMD_ADD     3
765 #define SNDRV_SEQ_INSTR_PUT_CMD_REMOVE  4
766 
767 /* get commands */
768 #define SNDRV_SEQ_INSTR_GET_CMD_FULL    0
769 #define SNDRV_SEQ_INSTR_GET_CMD_PARTIAL 1
770 
771 /* query flags */
772 #define SNDRV_SEQ_INSTR_QUERY_FOLLOW_ALIAS (1<<0)
773 
774 /* free commands */
775 #define SNDRV_SEQ_INSTR_FREE_CMD_ALL            0
776 #define SNDRV_SEQ_INSTR_FREE_CMD_PRIVATE        1
777 #define SNDRV_SEQ_INSTR_FREE_CMD_CLUSTER        2
778 #define SNDRV_SEQ_INSTR_FREE_CMD_SINGLE         3
779 
780 /* size of ROM/RAM */
781 typedef unsigned int sndrv_seq_instr_size_t;
782 
783 /* INSTR_INFO */
784 
785 struct sndrv_seq_instr_info {
786         int result;                     /* operation result */
787         unsigned int formats[8];        /* bitmap of supported formats */
788         int ram_count;                  /* count of RAM banks */
789         sndrv_seq_instr_size_t ram_sizes[16]; /* size of RAM banks */
790         int rom_count;                  /* count of ROM banks */
791         sndrv_seq_instr_size_t rom_sizes[8]; /* size of ROM banks */
792         char reserved[128];
793 };
794 
795 /* INSTR_STATUS */
796 
797 struct sndrv_seq_instr_status {
798         int result;                     /* operation result */
799         sndrv_seq_instr_size_t free_ram[16]; /* free RAM in banks */
800         int instrument_count;           /* count of downloaded instruments */
801         char reserved[128];
802 };
803 
804 /* INSTR_FORMAT_INFO */
805 
806 struct sndrv_seq_instr_format_info {
807         char format[16];                /* format identifier - SNDRV_SEQ_INSTR_ID_* */  
808         unsigned int len;               /* max data length (without this structure) */
809 };
810 
811 struct sndrv_seq_instr_format_info_result {
812         int result;                     /* operation result */
813         char format[16];                /* format identifier */
814         unsigned int len;               /* filled data length (without this structure) */
815 };
816 
817 /* instrument data */
818 struct sndrv_seq_instr_data {
819         char name[32];                  /* instrument name */
820         char reserved[16];              /* for the future use */
821         int type;                       /* instrument type */
822         union {
823                 char format[16];        /* format identifier */
824                 struct sndrv_seq_instr alias;
825         } data;
826 };
827 
828 /* INSTR_PUT/GET, data are stored in one block (extended), header + data */
829 
830 struct sndrv_seq_instr_header {
831         union {
832                 struct sndrv_seq_instr instr;
833                 sndrv_seq_instr_cluster_t cluster;
834         } id;                           /* instrument identifier */
835         unsigned int cmd;               /* get/put/free command */
836         unsigned int flags;             /* query flags (only for get) */
837         unsigned int len;               /* real instrument data length (without header) */
838         int result;                     /* operation result */
839         char reserved[16];              /* for the future */
840         struct sndrv_seq_instr_data data; /* instrument data (for put/get result) */
841 };
842 
843 /* INSTR_CLUSTER_SET */
844 
845 struct sndrv_seq_instr_cluster_set {
846         sndrv_seq_instr_cluster_t cluster; /* cluster identifier */
847         char name[32];                  /* cluster name */
848         int priority;                   /* cluster priority */
849         char reserved[64];              /* for the future use */
850 };
851 
852 /* INSTR_CLUSTER_GET */
853 
854 struct sndrv_seq_instr_cluster_get {
855         sndrv_seq_instr_cluster_t cluster; /* cluster identifier */
856         char name[32];                  /* cluster name */
857         int priority;                   /* cluster priority */
858         char reserved[64];              /* for the future use */
859 };
860 
861 /*
862  *  IOCTL commands
863  */
864 
865 #define SNDRV_SEQ_IOCTL_PVERSION        _IOR ('S', 0x00, int)
866 #define SNDRV_SEQ_IOCTL_CLIENT_ID       _IOR ('S', 0x01, int)
867 #define SNDRV_SEQ_IOCTL_SYSTEM_INFO     _IOWR('S', 0x02, struct sndrv_seq_system_info)
868 #define SNDRV_SEQ_IOCTL_RUNNING_MODE    _IOWR('S', 0x03, struct sndrv_seq_running_info)
869 
870 #define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct sndrv_seq_client_info)
871 #define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct sndrv_seq_client_info)
872 
873 #define SNDRV_SEQ_IOCTL_CREATE_PORT     _IOWR('S', 0x20, struct sndrv_seq_port_info)
874 #define SNDRV_SEQ_IOCTL_DELETE_PORT     _IOW ('S', 0x21, struct sndrv_seq_port_info)
875 #define SNDRV_SEQ_IOCTL_GET_PORT_INFO   _IOWR('S', 0x22, struct sndrv_seq_port_info)
876 #define SNDRV_SEQ_IOCTL_SET_PORT_INFO   _IOW ('S', 0x23, struct sndrv_seq_port_info)
877 
878 #define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT  _IOW ('S', 0x30, struct sndrv_seq_port_subscribe)
879 #define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct sndrv_seq_port_subscribe)
880 
881 #define SNDRV_SEQ_IOCTL_CREATE_QUEUE    _IOWR('S', 0x32, struct sndrv_seq_queue_info)
882 #define SNDRV_SEQ_IOCTL_DELETE_QUEUE    _IOW ('S', 0x33, struct sndrv_seq_queue_info)
883 #define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO  _IOWR('S', 0x34, struct sndrv_seq_queue_info)
884 #define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO  _IOWR('S', 0x35, struct sndrv_seq_queue_info)
885 #define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct sndrv_seq_queue_info)
886 #define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct sndrv_seq_queue_status)
887 #define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct sndrv_seq_queue_tempo)
888 #define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct sndrv_seq_queue_tempo)
889 #define SNDRV_SEQ_IOCTL_GET_QUEUE_OWNER _IOWR('S', 0x43, struct sndrv_seq_queue_owner)
890 #define SNDRV_SEQ_IOCTL_SET_QUEUE_OWNER _IOW ('S', 0x44, struct sndrv_seq_queue_owner)
891 #define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct sndrv_seq_queue_timer)
892 #define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct sndrv_seq_queue_timer)
893 /* XXX
894 #define SNDRV_SEQ_IOCTL_GET_QUEUE_SYNC  _IOWR('S', 0x53, struct sndrv_seq_queue_sync)
895 #define SNDRV_SEQ_IOCTL_SET_QUEUE_SYNC  _IOW ('S', 0x54, struct sndrv_seq_queue_sync)
896 */
897 #define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT        _IOWR('S', 0x49, struct sndrv_seq_queue_client)
898 #define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT        _IOW ('S', 0x4a, struct sndrv_seq_queue_client)
899 #define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct sndrv_seq_client_pool)
900 #define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct sndrv_seq_client_pool)
901 #define SNDRV_SEQ_IOCTL_REMOVE_EVENTS   _IOW ('S', 0x4e, struct sndrv_seq_remove_events)
902 #define SNDRV_SEQ_IOCTL_QUERY_SUBS      _IOWR('S', 0x4f, struct sndrv_seq_query_subs)
903 #define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION        _IOWR('S', 0x50, struct sndrv_seq_port_subscribe)
904 #define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT       _IOWR('S', 0x51, struct sndrv_seq_client_info)
905 #define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct sndrv_seq_port_info)
906 
907 #endif /* __SOUND_ASEQUENCER_H */
908 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp