asequencer.h 21 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
  2. /*
  3. * Main header file for the ALSA sequencer
  4. * Copyright (c) 1998-1999 by Frank van de Pol <[email protected]>
  5. * (c) 1998-1999 by Jaroslav Kysela <[email protected]>
  6. */
  7. #ifndef _UAPI__SOUND_ASEQUENCER_H
  8. #define _UAPI__SOUND_ASEQUENCER_H
  9. #include <sound/asound.h>
  10. /** version of the sequencer */
  11. #define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 2)
  12. /**
  13. * definition of sequencer event types
  14. */
  15. /** system messages
  16. * event data type = #snd_seq_result
  17. */
  18. #define SNDRV_SEQ_EVENT_SYSTEM 0
  19. #define SNDRV_SEQ_EVENT_RESULT 1
  20. /** note messages (channel specific)
  21. * event data type = #snd_seq_ev_note
  22. */
  23. #define SNDRV_SEQ_EVENT_NOTE 5
  24. #define SNDRV_SEQ_EVENT_NOTEON 6
  25. #define SNDRV_SEQ_EVENT_NOTEOFF 7
  26. #define SNDRV_SEQ_EVENT_KEYPRESS 8
  27. /** control messages (channel specific)
  28. * event data type = #snd_seq_ev_ctrl
  29. */
  30. #define SNDRV_SEQ_EVENT_CONTROLLER 10
  31. #define SNDRV_SEQ_EVENT_PGMCHANGE 11
  32. #define SNDRV_SEQ_EVENT_CHANPRESS 12
  33. #define SNDRV_SEQ_EVENT_PITCHBEND 13 /**< from -8192 to 8191 */
  34. #define SNDRV_SEQ_EVENT_CONTROL14 14 /**< 14 bit controller value */
  35. #define SNDRV_SEQ_EVENT_NONREGPARAM 15 /**< 14 bit NRPN address + 14 bit unsigned value */
  36. #define SNDRV_SEQ_EVENT_REGPARAM 16 /**< 14 bit RPN address + 14 bit unsigned value */
  37. /** synchronisation messages
  38. * event data type = #snd_seq_ev_ctrl
  39. */
  40. #define SNDRV_SEQ_EVENT_SONGPOS 20 /* Song Position Pointer with LSB and MSB values */
  41. #define SNDRV_SEQ_EVENT_SONGSEL 21 /* Song Select with song ID number */
  42. #define SNDRV_SEQ_EVENT_QFRAME 22 /* midi time code quarter frame */
  43. #define SNDRV_SEQ_EVENT_TIMESIGN 23 /* SMF Time Signature event */
  44. #define SNDRV_SEQ_EVENT_KEYSIGN 24 /* SMF Key Signature event */
  45. /** timer messages
  46. * event data type = snd_seq_ev_queue_control
  47. */
  48. #define SNDRV_SEQ_EVENT_START 30 /* midi Real Time Start message */
  49. #define SNDRV_SEQ_EVENT_CONTINUE 31 /* midi Real Time Continue message */
  50. #define SNDRV_SEQ_EVENT_STOP 32 /* midi Real Time Stop message */
  51. #define SNDRV_SEQ_EVENT_SETPOS_TICK 33 /* set tick queue position */
  52. #define SNDRV_SEQ_EVENT_SETPOS_TIME 34 /* set realtime queue position */
  53. #define SNDRV_SEQ_EVENT_TEMPO 35 /* (SMF) Tempo event */
  54. #define SNDRV_SEQ_EVENT_CLOCK 36 /* midi Real Time Clock message */
  55. #define SNDRV_SEQ_EVENT_TICK 37 /* midi Real Time Tick message */
  56. #define SNDRV_SEQ_EVENT_QUEUE_SKEW 38 /* skew queue tempo */
  57. /** others
  58. * event data type = none
  59. */
  60. #define SNDRV_SEQ_EVENT_TUNE_REQUEST 40 /* tune request */
  61. #define SNDRV_SEQ_EVENT_RESET 41 /* reset to power-on state */
  62. #define SNDRV_SEQ_EVENT_SENSING 42 /* "active sensing" event */
  63. /** echo back, kernel private messages
  64. * event data type = any type
  65. */
  66. #define SNDRV_SEQ_EVENT_ECHO 50 /* echo event */
  67. #define SNDRV_SEQ_EVENT_OSS 51 /* OSS raw event */
  68. /** system status messages (broadcast for subscribers)
  69. * event data type = snd_seq_addr
  70. */
  71. #define SNDRV_SEQ_EVENT_CLIENT_START 60 /* new client has connected */
  72. #define SNDRV_SEQ_EVENT_CLIENT_EXIT 61 /* client has left the system */
  73. #define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62 /* client status/info has changed */
  74. #define SNDRV_SEQ_EVENT_PORT_START 63 /* new port was created */
  75. #define SNDRV_SEQ_EVENT_PORT_EXIT 64 /* port was deleted from system */
  76. #define SNDRV_SEQ_EVENT_PORT_CHANGE 65 /* port status/info has changed */
  77. /** port connection changes
  78. * event data type = snd_seq_connect
  79. */
  80. #define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */
  81. #define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */
  82. /* 70-89: synthesizer events - obsoleted */
  83. /** user-defined events with fixed length
  84. * event data type = any
  85. */
  86. #define SNDRV_SEQ_EVENT_USR0 90
  87. #define SNDRV_SEQ_EVENT_USR1 91
  88. #define SNDRV_SEQ_EVENT_USR2 92
  89. #define SNDRV_SEQ_EVENT_USR3 93
  90. #define SNDRV_SEQ_EVENT_USR4 94
  91. #define SNDRV_SEQ_EVENT_USR5 95
  92. #define SNDRV_SEQ_EVENT_USR6 96
  93. #define SNDRV_SEQ_EVENT_USR7 97
  94. #define SNDRV_SEQ_EVENT_USR8 98
  95. #define SNDRV_SEQ_EVENT_USR9 99
  96. /* 100-118: instrument layer - obsoleted */
  97. /* 119-129: reserved */
  98. /* 130-139: variable length events
  99. * event data type = snd_seq_ev_ext
  100. * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set)
  101. */
  102. #define SNDRV_SEQ_EVENT_SYSEX 130 /* system exclusive data (variable length) */
  103. #define SNDRV_SEQ_EVENT_BOUNCE 131 /* error event */
  104. /* 132-134: reserved */
  105. #define SNDRV_SEQ_EVENT_USR_VAR0 135
  106. #define SNDRV_SEQ_EVENT_USR_VAR1 136
  107. #define SNDRV_SEQ_EVENT_USR_VAR2 137
  108. #define SNDRV_SEQ_EVENT_USR_VAR3 138
  109. #define SNDRV_SEQ_EVENT_USR_VAR4 139
  110. /* 150-151: kernel events with quote - DO NOT use in user clients */
  111. #define SNDRV_SEQ_EVENT_KERNEL_ERROR 150
  112. #define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151 /* obsolete */
  113. /* 152-191: reserved */
  114. /* 192-254: hardware specific events */
  115. /* 255: special event */
  116. #define SNDRV_SEQ_EVENT_NONE 255
  117. typedef unsigned char snd_seq_event_type_t;
  118. /** event address */
  119. struct snd_seq_addr {
  120. unsigned char client; /**< Client number: 0..255, 255 = broadcast to all clients */
  121. unsigned char port; /**< Port within client: 0..255, 255 = broadcast to all ports */
  122. };
  123. /** port connection */
  124. struct snd_seq_connect {
  125. struct snd_seq_addr sender;
  126. struct snd_seq_addr dest;
  127. };
  128. #define SNDRV_SEQ_ADDRESS_UNKNOWN 253 /* unknown source */
  129. #define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254 /* send event to all subscribed ports */
  130. #define SNDRV_SEQ_ADDRESS_BROADCAST 255 /* send event to all queues/clients/ports/channels */
  131. #define SNDRV_SEQ_QUEUE_DIRECT 253 /* direct dispatch */
  132. /* event mode flag - NOTE: only 8 bits available! */
  133. #define SNDRV_SEQ_TIME_STAMP_TICK (0<<0) /* timestamp in clock ticks */
  134. #define SNDRV_SEQ_TIME_STAMP_REAL (1<<0) /* timestamp in real time */
  135. #define SNDRV_SEQ_TIME_STAMP_MASK (1<<0)
  136. #define SNDRV_SEQ_TIME_MODE_ABS (0<<1) /* absolute timestamp */
  137. #define SNDRV_SEQ_TIME_MODE_REL (1<<1) /* relative to current time */
  138. #define SNDRV_SEQ_TIME_MODE_MASK (1<<1)
  139. #define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2) /* fixed event size */
  140. #define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /* variable event size */
  141. #define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2) /* variable event size - user memory space */
  142. #define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2)
  143. #define SNDRV_SEQ_PRIORITY_NORMAL (0<<4) /* normal priority */
  144. #define SNDRV_SEQ_PRIORITY_HIGH (1<<4) /* event should be processed before others */
  145. #define SNDRV_SEQ_PRIORITY_MASK (1<<4)
  146. /* note event */
  147. struct snd_seq_ev_note {
  148. unsigned char channel;
  149. unsigned char note;
  150. unsigned char velocity;
  151. unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */
  152. unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */
  153. };
  154. /* controller event */
  155. struct snd_seq_ev_ctrl {
  156. unsigned char channel;
  157. unsigned char unused1, unused2, unused3; /* pad */
  158. unsigned int param;
  159. signed int value;
  160. };
  161. /* generic set of bytes (12x8 bit) */
  162. struct snd_seq_ev_raw8 {
  163. unsigned char d[12]; /* 8 bit value */
  164. };
  165. /* generic set of integers (3x32 bit) */
  166. struct snd_seq_ev_raw32 {
  167. unsigned int d[3]; /* 32 bit value */
  168. };
  169. /* external stored data */
  170. struct snd_seq_ev_ext {
  171. unsigned int len; /* length of data */
  172. void *ptr; /* pointer to data (note: maybe 64-bit) */
  173. } __attribute__((packed));
  174. struct snd_seq_result {
  175. int event; /* processed event type */
  176. int result;
  177. };
  178. struct snd_seq_real_time {
  179. unsigned int tv_sec; /* seconds */
  180. unsigned int tv_nsec; /* nanoseconds */
  181. };
  182. typedef unsigned int snd_seq_tick_time_t; /* midi ticks */
  183. union snd_seq_timestamp {
  184. snd_seq_tick_time_t tick;
  185. struct snd_seq_real_time time;
  186. };
  187. struct snd_seq_queue_skew {
  188. unsigned int value;
  189. unsigned int base;
  190. };
  191. /* queue timer control */
  192. struct snd_seq_ev_queue_control {
  193. unsigned char queue; /* affected queue */
  194. unsigned char pad[3]; /* reserved */
  195. union {
  196. signed int value; /* affected value (e.g. tempo) */
  197. union snd_seq_timestamp time; /* time */
  198. unsigned int position; /* sync position */
  199. struct snd_seq_queue_skew skew;
  200. unsigned int d32[2];
  201. unsigned char d8[8];
  202. } param;
  203. };
  204. /* quoted event - inside the kernel only */
  205. struct snd_seq_ev_quote {
  206. struct snd_seq_addr origin; /* original sender */
  207. unsigned short value; /* optional data */
  208. struct snd_seq_event *event; /* quoted event */
  209. } __attribute__((packed));
  210. /* sequencer event */
  211. struct snd_seq_event {
  212. snd_seq_event_type_t type; /* event type */
  213. unsigned char flags; /* event flags */
  214. char tag;
  215. unsigned char queue; /* schedule queue */
  216. union snd_seq_timestamp time; /* schedule time */
  217. struct snd_seq_addr source; /* source address */
  218. struct snd_seq_addr dest; /* destination address */
  219. union { /* event data... */
  220. struct snd_seq_ev_note note;
  221. struct snd_seq_ev_ctrl control;
  222. struct snd_seq_ev_raw8 raw8;
  223. struct snd_seq_ev_raw32 raw32;
  224. struct snd_seq_ev_ext ext;
  225. struct snd_seq_ev_queue_control queue;
  226. union snd_seq_timestamp time;
  227. struct snd_seq_addr addr;
  228. struct snd_seq_connect connect;
  229. struct snd_seq_result result;
  230. struct snd_seq_ev_quote quote;
  231. } data;
  232. };
  233. /*
  234. * bounce event - stored as variable size data
  235. */
  236. struct snd_seq_event_bounce {
  237. int err;
  238. struct snd_seq_event event;
  239. /* external data follows here. */
  240. };
  241. /* system information */
  242. struct snd_seq_system_info {
  243. int queues; /* maximum queues count */
  244. int clients; /* maximum clients count */
  245. int ports; /* maximum ports per client */
  246. int channels; /* maximum channels per port */
  247. int cur_clients; /* current clients */
  248. int cur_queues; /* current queues */
  249. char reserved[24];
  250. };
  251. /* system running information */
  252. struct snd_seq_running_info {
  253. unsigned char client; /* client id */
  254. unsigned char big_endian; /* 1 = big-endian */
  255. unsigned char cpu_mode; /* 4 = 32bit, 8 = 64bit */
  256. unsigned char pad; /* reserved */
  257. unsigned char reserved[12];
  258. };
  259. /* known client numbers */
  260. #define SNDRV_SEQ_CLIENT_SYSTEM 0
  261. /* internal client numbers */
  262. #define SNDRV_SEQ_CLIENT_DUMMY 14 /* midi through */
  263. #define SNDRV_SEQ_CLIENT_OSS 15 /* oss sequencer emulator */
  264. /* client types */
  265. typedef int __bitwise snd_seq_client_type_t;
  266. #define NO_CLIENT ((__force snd_seq_client_type_t) 0)
  267. #define USER_CLIENT ((__force snd_seq_client_type_t) 1)
  268. #define KERNEL_CLIENT ((__force snd_seq_client_type_t) 2)
  269. /* event filter flags */
  270. #define SNDRV_SEQ_FILTER_BROADCAST (1U<<0) /* accept broadcast messages */
  271. #define SNDRV_SEQ_FILTER_MULTICAST (1U<<1) /* accept multicast messages */
  272. #define SNDRV_SEQ_FILTER_BOUNCE (1U<<2) /* accept bounce event in error */
  273. #define SNDRV_SEQ_FILTER_USE_EVENT (1U<<31) /* use event filter */
  274. struct snd_seq_client_info {
  275. int client; /* client number to inquire */
  276. snd_seq_client_type_t type; /* client type */
  277. char name[64]; /* client name */
  278. unsigned int filter; /* filter flags */
  279. unsigned char multicast_filter[8]; /* multicast filter bitmap */
  280. unsigned char event_filter[32]; /* event filter bitmap */
  281. int num_ports; /* RO: number of ports */
  282. int event_lost; /* number of lost events */
  283. int card; /* RO: card number[kernel] */
  284. int pid; /* RO: pid[user] */
  285. char reserved[56]; /* for future use */
  286. };
  287. /* client pool size */
  288. struct snd_seq_client_pool {
  289. int client; /* client number to inquire */
  290. int output_pool; /* outgoing (write) pool size */
  291. int input_pool; /* incoming (read) pool size */
  292. int output_room; /* minimum free pool size for select/blocking mode */
  293. int output_free; /* unused size */
  294. int input_free; /* unused size */
  295. char reserved[64];
  296. };
  297. /* Remove events by specified criteria */
  298. #define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */
  299. #define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */
  300. #define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */
  301. #define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */
  302. #define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */
  303. #define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */
  304. #define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */
  305. #define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */
  306. #define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */
  307. #define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */
  308. struct snd_seq_remove_events {
  309. unsigned int remove_mode; /* Flags that determine what gets removed */
  310. union snd_seq_timestamp time;
  311. unsigned char queue; /* Queue for REMOVE_DEST */
  312. struct snd_seq_addr dest; /* Address for REMOVE_DEST */
  313. unsigned char channel; /* Channel for REMOVE_DEST */
  314. int type; /* For REMOVE_EVENT_TYPE */
  315. char tag; /* Tag for REMOVE_TAG */
  316. int reserved[10]; /* To allow for future binary compatibility */
  317. };
  318. /* known port numbers */
  319. #define SNDRV_SEQ_PORT_SYSTEM_TIMER 0
  320. #define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1
  321. /* port capabilities (32 bits) */
  322. #define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */
  323. #define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */
  324. #define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2)
  325. #define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3)
  326. #define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4)
  327. #define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */
  328. #define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */
  329. #define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */
  330. /* port type */
  331. #define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */
  332. #define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */
  333. #define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */
  334. #define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */
  335. #define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */
  336. #define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */
  337. #define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */
  338. /* other standards...*/
  339. #define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */
  340. #define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */
  341. #define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */
  342. /*...*/
  343. #define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16) /* driver for a hardware device */
  344. #define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17) /* implemented in software */
  345. #define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */
  346. #define SNDRV_SEQ_PORT_TYPE_PORT (1<<19) /* connects to other device(s) */
  347. #define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */
  348. /* misc. conditioning flags */
  349. #define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0)
  350. #define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1)
  351. #define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2)
  352. struct snd_seq_port_info {
  353. struct snd_seq_addr addr; /* client/port numbers */
  354. char name[64]; /* port name */
  355. unsigned int capability; /* port capability bits */
  356. unsigned int type; /* port type bits */
  357. int midi_channels; /* channels per MIDI port */
  358. int midi_voices; /* voices per MIDI port */
  359. int synth_voices; /* voices per SYNTH port */
  360. int read_use; /* R/O: subscribers for output (from this port) */
  361. int write_use; /* R/O: subscribers for input (to this port) */
  362. void *kernel; /* reserved for kernel use (must be NULL) */
  363. unsigned int flags; /* misc. conditioning */
  364. unsigned char time_queue; /* queue # for timestamping */
  365. char reserved[59]; /* for future use */
  366. };
  367. /* queue flags */
  368. #define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */
  369. /* queue information */
  370. struct snd_seq_queue_info {
  371. int queue; /* queue id */
  372. /*
  373. * security settings, only owner of this queue can start/stop timer
  374. * etc. if the queue is locked for other clients
  375. */
  376. int owner; /* client id for owner of the queue */
  377. unsigned locked:1; /* timing queue locked for other queues */
  378. char name[64]; /* name of this queue */
  379. unsigned int flags; /* flags */
  380. char reserved[60]; /* for future use */
  381. };
  382. /* queue info/status */
  383. struct snd_seq_queue_status {
  384. int queue; /* queue id */
  385. int events; /* read-only - queue size */
  386. snd_seq_tick_time_t tick; /* current tick */
  387. struct snd_seq_real_time time; /* current time */
  388. int running; /* running state of queue */
  389. int flags; /* various flags */
  390. char reserved[64]; /* for the future */
  391. };
  392. /* queue tempo */
  393. struct snd_seq_queue_tempo {
  394. int queue; /* sequencer queue */
  395. unsigned int tempo; /* current tempo, us/tick */
  396. int ppq; /* time resolution, ticks/quarter */
  397. unsigned int skew_value; /* queue skew */
  398. unsigned int skew_base; /* queue skew base */
  399. char reserved[24]; /* for the future */
  400. };
  401. /* sequencer timer sources */
  402. #define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */
  403. #define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */
  404. #define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */
  405. /* queue timer info */
  406. struct snd_seq_queue_timer {
  407. int queue; /* sequencer queue */
  408. int type; /* source timer type */
  409. union {
  410. struct {
  411. struct snd_timer_id id; /* ALSA's timer ID */
  412. unsigned int resolution; /* resolution in Hz */
  413. } alsa;
  414. } u;
  415. char reserved[64]; /* for the future use */
  416. };
  417. struct snd_seq_queue_client {
  418. int queue; /* sequencer queue */
  419. int client; /* sequencer client */
  420. int used; /* queue is used with this client
  421. (must be set for accepting events) */
  422. /* per client watermarks */
  423. char reserved[64]; /* for future use */
  424. };
  425. #define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */
  426. #define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1)
  427. #define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2)
  428. struct snd_seq_port_subscribe {
  429. struct snd_seq_addr sender; /* sender address */
  430. struct snd_seq_addr dest; /* destination address */
  431. unsigned int voices; /* number of voices to be allocated (0 = don't care) */
  432. unsigned int flags; /* modes */
  433. unsigned char queue; /* input time-stamp queue (optional) */
  434. unsigned char pad[3]; /* reserved */
  435. char reserved[64];
  436. };
  437. /* type of query subscription */
  438. #define SNDRV_SEQ_QUERY_SUBS_READ 0
  439. #define SNDRV_SEQ_QUERY_SUBS_WRITE 1
  440. struct snd_seq_query_subs {
  441. struct snd_seq_addr root; /* client/port id to be searched */
  442. int type; /* READ or WRITE */
  443. int index; /* 0..N-1 */
  444. int num_subs; /* R/O: number of subscriptions on this port */
  445. struct snd_seq_addr addr; /* R/O: result */
  446. unsigned char queue; /* R/O: result */
  447. unsigned int flags; /* R/O: result */
  448. char reserved[64]; /* for future use */
  449. };
  450. /*
  451. * IOCTL commands
  452. */
  453. #define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int)
  454. #define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int)
  455. #define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info)
  456. #define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info)
  457. #define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info)
  458. #define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info)
  459. #define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info)
  460. #define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info)
  461. #define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info)
  462. #define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info)
  463. #define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe)
  464. #define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe)
  465. #define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info)
  466. #define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info)
  467. #define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info)
  468. #define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info)
  469. #define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info)
  470. #define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status)
  471. #define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo)
  472. #define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo)
  473. #define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer)
  474. #define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer)
  475. #define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client)
  476. #define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client)
  477. #define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool)
  478. #define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool)
  479. #define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events)
  480. #define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs)
  481. #define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe)
  482. #define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info)
  483. #define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info)
  484. #endif /* _UAPI__SOUND_ASEQUENCER_H */