| /* |
| * Main header file for the ALSA sequencer |
| * Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl> |
| * (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz> |
| * |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| #ifndef __SOUND_ASEQUENCER_H |
| #define __SOUND_ASEQUENCER_H |
| |
| #include <sound/asound.h> |
| |
| /** version of the sequencer */ |
| #define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 2) |
| |
| /** |
| * definition of sequencer event types |
| */ |
| |
| /** system messages |
| * event data type = #snd_seq_result |
| */ |
| #define SNDRV_SEQ_EVENT_SYSTEM 0 |
| #define SNDRV_SEQ_EVENT_RESULT 1 |
| |
| /** note messages (channel specific) |
| * event data type = #snd_seq_ev_note |
| */ |
| #define SNDRV_SEQ_EVENT_NOTE 5 |
| #define SNDRV_SEQ_EVENT_NOTEON 6 |
| #define SNDRV_SEQ_EVENT_NOTEOFF 7 |
| #define SNDRV_SEQ_EVENT_KEYPRESS 8 |
| |
| /** control messages (channel specific) |
| * event data type = #snd_seq_ev_ctrl |
| */ |
| #define SNDRV_SEQ_EVENT_CONTROLLER 10 |
| #define SNDRV_SEQ_EVENT_PGMCHANGE 11 |
| #define SNDRV_SEQ_EVENT_CHANPRESS 12 |
| #define SNDRV_SEQ_EVENT_PITCHBEND 13 /**< from -8192 to 8191 */ |
| #define SNDRV_SEQ_EVENT_CONTROL14 14 /**< 14 bit controller value */ |
| #define SNDRV_SEQ_EVENT_NONREGPARAM 15 /**< 14 bit NRPN address + 14 bit unsigned value */ |
| #define SNDRV_SEQ_EVENT_REGPARAM 16 /**< 14 bit RPN address + 14 bit unsigned value */ |
| |
| /** synchronisation messages |
| * event data type = #snd_seq_ev_ctrl |
| */ |
| #define SNDRV_SEQ_EVENT_SONGPOS 20 /* Song Position Pointer with LSB and MSB values */ |
| #define SNDRV_SEQ_EVENT_SONGSEL 21 /* Song Select with song ID number */ |
| #define SNDRV_SEQ_EVENT_QFRAME 22 /* midi time code quarter frame */ |
| #define SNDRV_SEQ_EVENT_TIMESIGN 23 /* SMF Time Signature event */ |
| #define SNDRV_SEQ_EVENT_KEYSIGN 24 /* SMF Key Signature event */ |
| |
| /** timer messages |
| * event data type = snd_seq_ev_queue_control |
| */ |
| #define SNDRV_SEQ_EVENT_START 30 /* midi Real Time Start message */ |
| #define SNDRV_SEQ_EVENT_CONTINUE 31 /* midi Real Time Continue message */ |
| #define SNDRV_SEQ_EVENT_STOP 32 /* midi Real Time Stop message */ |
| #define SNDRV_SEQ_EVENT_SETPOS_TICK 33 /* set tick queue position */ |
| #define SNDRV_SEQ_EVENT_SETPOS_TIME 34 /* set realtime queue position */ |
| #define SNDRV_SEQ_EVENT_TEMPO 35 /* (SMF) Tempo event */ |
| #define SNDRV_SEQ_EVENT_CLOCK 36 /* midi Real Time Clock message */ |
| #define SNDRV_SEQ_EVENT_TICK 37 /* midi Real Time Tick message */ |
| #define SNDRV_SEQ_EVENT_QUEUE_SKEW 38 /* skew queue tempo */ |
| |
| /** others |
| * event data type = none |
| */ |
| #define SNDRV_SEQ_EVENT_TUNE_REQUEST 40 /* tune request */ |
| #define SNDRV_SEQ_EVENT_RESET 41 /* reset to power-on state */ |
| #define SNDRV_SEQ_EVENT_SENSING 42 /* "active sensing" event */ |
| |
| /** echo back, kernel private messages |
| * event data type = any type |
| */ |
| #define SNDRV_SEQ_EVENT_ECHO 50 /* echo event */ |
| #define SNDRV_SEQ_EVENT_OSS 51 /* OSS raw event */ |
| |
| /** system status messages (broadcast for subscribers) |
| * event data type = snd_seq_addr |
| */ |
| #define SNDRV_SEQ_EVENT_CLIENT_START 60 /* new client has connected */ |
| #define SNDRV_SEQ_EVENT_CLIENT_EXIT 61 /* client has left the system */ |
| #define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62 /* client status/info has changed */ |
| #define SNDRV_SEQ_EVENT_PORT_START 63 /* new port was created */ |
| #define SNDRV_SEQ_EVENT_PORT_EXIT 64 /* port was deleted from system */ |
| #define SNDRV_SEQ_EVENT_PORT_CHANGE 65 /* port status/info has changed */ |
| |
| /** port connection changes |
| * event data type = snd_seq_connect |
| */ |
| #define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */ |
| #define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */ |
| |
| /* 70-89: synthesizer events - obsoleted */ |
| |
| /** user-defined events with fixed length |
| * event data type = any |
| */ |
| #define SNDRV_SEQ_EVENT_USR0 90 |
| #define SNDRV_SEQ_EVENT_USR1 91 |
| #define SNDRV_SEQ_EVENT_USR2 92 |
| #define SNDRV_SEQ_EVENT_USR3 93 |
| #define SNDRV_SEQ_EVENT_USR4 94 |
| #define SNDRV_SEQ_EVENT_USR5 95 |
| #define SNDRV_SEQ_EVENT_USR6 96 |
| #define SNDRV_SEQ_EVENT_USR7 97 |
| #define SNDRV_SEQ_EVENT_USR8 98 |
| #define SNDRV_SEQ_EVENT_USR9 99 |
| |
| /* 100-118: instrument layer - obsoleted */ |
| /* 119-129: reserved */ |
| |
| /* 130-139: variable length events |
| * event data type = snd_seq_ev_ext |
| * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set) |
| */ |
| #define SNDRV_SEQ_EVENT_SYSEX 130 /* system exclusive data (variable length) */ |
| #define SNDRV_SEQ_EVENT_BOUNCE 131 /* error event */ |
| /* 132-134: reserved */ |
| #define SNDRV_SEQ_EVENT_USR_VAR0 135 |
| #define SNDRV_SEQ_EVENT_USR_VAR1 136 |
| #define SNDRV_SEQ_EVENT_USR_VAR2 137 |
| #define SNDRV_SEQ_EVENT_USR_VAR3 138 |
| #define SNDRV_SEQ_EVENT_USR_VAR4 139 |
| |
| /* 150-151: kernel events with quote - DO NOT use in user clients */ |
| #define SNDRV_SEQ_EVENT_KERNEL_ERROR 150 |
| #define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151 /* obsolete */ |
| |
| /* 152-191: reserved */ |
| |
| /* 192-254: hardware specific events */ |
| |
| /* 255: special event */ |
| #define SNDRV_SEQ_EVENT_NONE 255 |
| |
| |
| typedef unsigned char snd_seq_event_type_t; |
| |
| /** event address */ |
| struct snd_seq_addr { |
| unsigned char client; /**< Client number: 0..255, 255 = broadcast to all clients */ |
| unsigned char port; /**< Port within client: 0..255, 255 = broadcast to all ports */ |
| }; |
| |
| /** port connection */ |
| struct snd_seq_connect { |
| struct snd_seq_addr sender; |
| struct snd_seq_addr dest; |
| }; |
| |
| |
| #define SNDRV_SEQ_ADDRESS_UNKNOWN 253 /* unknown source */ |
| #define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254 /* send event to all subscribed ports */ |
| #define SNDRV_SEQ_ADDRESS_BROADCAST 255 /* send event to all queues/clients/ports/channels */ |
| #define SNDRV_SEQ_QUEUE_DIRECT 253 /* direct dispatch */ |
| |
| /* event mode flag - NOTE: only 8 bits available! */ |
| #define SNDRV_SEQ_TIME_STAMP_TICK (0<<0) /* timestamp in clock ticks */ |
| #define SNDRV_SEQ_TIME_STAMP_REAL (1<<0) /* timestamp in real time */ |
| #define SNDRV_SEQ_TIME_STAMP_MASK (1<<0) |
| |
| #define SNDRV_SEQ_TIME_MODE_ABS (0<<1) /* absolute timestamp */ |
| #define SNDRV_SEQ_TIME_MODE_REL (1<<1) /* relative to current time */ |
| #define SNDRV_SEQ_TIME_MODE_MASK (1<<1) |
| |
| #define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2) /* fixed event size */ |
| #define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /* variable event size */ |
| #define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2) /* variable event size - user memory space */ |
| #define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2) |
| |
| #define SNDRV_SEQ_PRIORITY_NORMAL (0<<4) /* normal priority */ |
| #define SNDRV_SEQ_PRIORITY_HIGH (1<<4) /* event should be processed before others */ |
| #define SNDRV_SEQ_PRIORITY_MASK (1<<4) |
| |
| |
| /* note event */ |
| struct snd_seq_ev_note { |
| unsigned char channel; |
| unsigned char note; |
| unsigned char velocity; |
| unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */ |
| unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */ |
| }; |
| |
| /* controller event */ |
| struct snd_seq_ev_ctrl { |
| unsigned char channel; |
| unsigned char unused1, unused2, unused3; /* pad */ |
| unsigned int param; |
| signed int value; |
| }; |
| |
| /* generic set of bytes (12x8 bit) */ |
| struct snd_seq_ev_raw8 { |
| unsigned char d[12]; /* 8 bit value */ |
| }; |
| |
| /* generic set of integers (3x32 bit) */ |
| struct snd_seq_ev_raw32 { |
| unsigned int d[3]; /* 32 bit value */ |
| }; |
| |
| /* external stored data */ |
| struct snd_seq_ev_ext { |
| unsigned int len; /* length of data */ |
| void *ptr; /* pointer to data (note: maybe 64-bit) */ |
| } __attribute__((packed)); |
| |
| struct snd_seq_result { |
| int event; /* processed event type */ |
| int result; |
| }; |
| |
| |
| struct snd_seq_real_time { |
| unsigned int tv_sec; /* seconds */ |
| unsigned int tv_nsec; /* nanoseconds */ |
| }; |
| |
| typedef unsigned int snd_seq_tick_time_t; /* midi ticks */ |
| |
| union snd_seq_timestamp { |
| snd_seq_tick_time_t tick; |
| struct snd_seq_real_time time; |
| }; |
| |
| struct snd_seq_queue_skew { |
| unsigned int value; |
| unsigned int base; |
| }; |
| |
| /* queue timer control */ |
| struct snd_seq_ev_queue_control { |
| unsigned char queue; /* affected queue */ |
| unsigned char pad[3]; /* reserved */ |
| union { |
| signed int value; /* affected value (e.g. tempo) */ |
| union snd_seq_timestamp time; /* time */ |
| unsigned int position; /* sync position */ |
| struct snd_seq_queue_skew skew; |
| unsigned int d32[2]; |
| unsigned char d8[8]; |
| } param; |
| }; |
| |
| /* quoted event - inside the kernel only */ |
| struct snd_seq_ev_quote { |
| struct snd_seq_addr origin; /* original sender */ |
| unsigned short value; /* optional data */ |
| struct snd_seq_event *event; /* quoted event */ |
| } __attribute__((packed)); |
| |
| |
| /* sequencer event */ |
| struct snd_seq_event { |
| snd_seq_event_type_t type; /* event type */ |
| unsigned char flags; /* event flags */ |
| char tag; |
| |
| unsigned char queue; /* schedule queue */ |
| union snd_seq_timestamp time; /* schedule time */ |
| |
| |
| struct snd_seq_addr source; /* source address */ |
| struct snd_seq_addr dest; /* destination address */ |
| |
| union { /* event data... */ |
| struct snd_seq_ev_note note; |
| struct snd_seq_ev_ctrl control; |
| struct snd_seq_ev_raw8 raw8; |
| struct snd_seq_ev_raw32 raw32; |
| struct snd_seq_ev_ext ext; |
| struct snd_seq_ev_queue_control queue; |
| union snd_seq_timestamp time; |
| struct snd_seq_addr addr; |
| struct snd_seq_connect connect; |
| struct snd_seq_result result; |
| struct snd_seq_ev_quote quote; |
| } data; |
| }; |
| |
| |
| /* |
| * bounce event - stored as variable size data |
| */ |
| struct snd_seq_event_bounce { |
| int err; |
| struct snd_seq_event event; |
| /* external data follows here. */ |
| }; |
| |
| |
| /* system information */ |
| struct snd_seq_system_info { |
| int queues; /* maximum queues count */ |
| int clients; /* maximum clients count */ |
| int ports; /* maximum ports per client */ |
| int channels; /* maximum channels per port */ |
| int cur_clients; /* current clients */ |
| int cur_queues; /* current queues */ |
| char reserved[24]; |
| }; |
| |
| |
| /* system running information */ |
| struct snd_seq_running_info { |
| unsigned char client; /* client id */ |
| unsigned char big_endian; /* 1 = big-endian */ |
| unsigned char cpu_mode; /* 4 = 32bit, 8 = 64bit */ |
| unsigned char pad; /* reserved */ |
| unsigned char reserved[12]; |
| }; |
| |
| |
| /* known client numbers */ |
| #define SNDRV_SEQ_CLIENT_SYSTEM 0 |
| /* internal client numbers */ |
| #define SNDRV_SEQ_CLIENT_DUMMY 14 /* midi through */ |
| #define SNDRV_SEQ_CLIENT_OSS 15 /* oss sequencer emulator */ |
| |
| |
| /* client types */ |
| typedef int __bitwise snd_seq_client_type_t; |
| #define NO_CLIENT ((snd_seq_client_type_t) 0) |
| #define USER_CLIENT ((snd_seq_client_type_t) 1) |
| #define KERNEL_CLIENT ((snd_seq_client_type_t) 2) |
| |
| /* event filter flags */ |
| #define SNDRV_SEQ_FILTER_BROADCAST (1<<0) /* accept broadcast messages */ |
| #define SNDRV_SEQ_FILTER_MULTICAST (1<<1) /* accept multicast messages */ |
| #define SNDRV_SEQ_FILTER_BOUNCE (1<<2) /* accept bounce event in error */ |
| #define SNDRV_SEQ_FILTER_USE_EVENT (1<<31) /* use event filter */ |
| |
| struct snd_seq_client_info { |
| int client; /* client number to inquire */ |
| snd_seq_client_type_t type; /* client type */ |
| char name[64]; /* client name */ |
| unsigned int filter; /* filter flags */ |
| unsigned char multicast_filter[8]; /* multicast filter bitmap */ |
| unsigned char event_filter[32]; /* event filter bitmap */ |
| int num_ports; /* RO: number of ports */ |
| int event_lost; /* number of lost events */ |
| int card; /* RO: card number[kernel] */ |
| int pid; /* RO: pid[user] */ |
| char reserved[56]; /* for future use */ |
| }; |
| |
| |
| /* client pool size */ |
| struct snd_seq_client_pool { |
| int client; /* client number to inquire */ |
| int output_pool; /* outgoing (write) pool size */ |
| int input_pool; /* incoming (read) pool size */ |
| int output_room; /* minimum free pool size for select/blocking mode */ |
| int output_free; /* unused size */ |
| int input_free; /* unused size */ |
| char reserved[64]; |
| }; |
| |
| |
| /* Remove events by specified criteria */ |
| |
| #define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */ |
| #define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */ |
| #define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */ |
| #define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */ |
| #define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */ |
| #define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */ |
| #define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */ |
| #define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */ |
| #define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */ |
| #define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */ |
| |
| struct snd_seq_remove_events { |
| unsigned int remove_mode; /* Flags that determine what gets removed */ |
| |
| union snd_seq_timestamp time; |
| |
| unsigned char queue; /* Queue for REMOVE_DEST */ |
| struct snd_seq_addr dest; /* Address for REMOVE_DEST */ |
| unsigned char channel; /* Channel for REMOVE_DEST */ |
| |
| int type; /* For REMOVE_EVENT_TYPE */ |
| char tag; /* Tag for REMOVE_TAG */ |
| |
| int reserved[10]; /* To allow for future binary compatibility */ |
| |
| }; |
| |
| |
| /* known port numbers */ |
| #define SNDRV_SEQ_PORT_SYSTEM_TIMER 0 |
| #define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1 |
| |
| /* port capabilities (32 bits) */ |
| #define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */ |
| #define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */ |
| |
| #define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2) |
| #define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3) |
| |
| #define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4) |
| |
| #define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */ |
| #define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */ |
| #define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */ |
| |
| /* port type */ |
| #define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */ |
| #define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */ |
| #define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */ |
| #define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */ |
| #define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */ |
| #define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */ |
| #define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */ |
| |
| /* other standards...*/ |
| #define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */ |
| #define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */ |
| #define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */ |
| /*...*/ |
| #define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16) /* driver for a hardware device */ |
| #define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17) /* implemented in software */ |
| #define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */ |
| #define SNDRV_SEQ_PORT_TYPE_PORT (1<<19) /* connects to other device(s) */ |
| #define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */ |
| |
| /* misc. conditioning flags */ |
| #define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0) |
| #define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1) |
| #define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2) |
| |
| struct snd_seq_port_info { |
| struct snd_seq_addr addr; /* client/port numbers */ |
| char name[64]; /* port name */ |
| |
| unsigned int capability; /* port capability bits */ |
| unsigned int type; /* port type bits */ |
| int midi_channels; /* channels per MIDI port */ |
| int midi_voices; /* voices per MIDI port */ |
| int synth_voices; /* voices per SYNTH port */ |
| |
| int read_use; /* R/O: subscribers for output (from this port) */ |
| int write_use; /* R/O: subscribers for input (to this port) */ |
| |
| void *kernel; /* reserved for kernel use (must be NULL) */ |
| unsigned int flags; /* misc. conditioning */ |
| unsigned char time_queue; /* queue # for timestamping */ |
| char reserved[59]; /* for future use */ |
| }; |
| |
| |
| /* queue flags */ |
| #define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */ |
| |
| /* queue information */ |
| struct snd_seq_queue_info { |
| int queue; /* queue id */ |
| |
| /* |
| * security settings, only owner of this queue can start/stop timer |
| * etc. if the queue is locked for other clients |
| */ |
| int owner; /* client id for owner of the queue */ |
| unsigned locked:1; /* timing queue locked for other queues */ |
| char name[64]; /* name of this queue */ |
| unsigned int flags; /* flags */ |
| char reserved[60]; /* for future use */ |
| |
| }; |
| |
| /* queue info/status */ |
| struct snd_seq_queue_status { |
| int queue; /* queue id */ |
| int events; /* read-only - queue size */ |
| snd_seq_tick_time_t tick; /* current tick */ |
| struct snd_seq_real_time time; /* current time */ |
| int running; /* running state of queue */ |
| int flags; /* various flags */ |
| char reserved[64]; /* for the future */ |
| }; |
| |
| |
| /* queue tempo */ |
| struct snd_seq_queue_tempo { |
| int queue; /* sequencer queue */ |
| unsigned int tempo; /* current tempo, us/tick */ |
| int ppq; /* time resolution, ticks/quarter */ |
| unsigned int skew_value; /* queue skew */ |
| unsigned int skew_base; /* queue skew base */ |
| char reserved[24]; /* for the future */ |
| }; |
| |
| |
| /* sequencer timer sources */ |
| #define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */ |
| #define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */ |
| #define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */ |
| |
| /* queue timer info */ |
| struct snd_seq_queue_timer { |
| int queue; /* sequencer queue */ |
| int type; /* source timer type */ |
| union { |
| struct { |
| struct snd_timer_id id; /* ALSA's timer ID */ |
| unsigned int resolution; /* resolution in Hz */ |
| } alsa; |
| } u; |
| char reserved[64]; /* for the future use */ |
| }; |
| |
| |
| struct snd_seq_queue_client { |
| int queue; /* sequencer queue */ |
| int client; /* sequencer client */ |
| int used; /* queue is used with this client |
| (must be set for accepting events) */ |
| /* per client watermarks */ |
| char reserved[64]; /* for future use */ |
| }; |
| |
| |
| #define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */ |
| #define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1) |
| #define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2) |
| |
| struct snd_seq_port_subscribe { |
| struct snd_seq_addr sender; /* sender address */ |
| struct snd_seq_addr dest; /* destination address */ |
| unsigned int voices; /* number of voices to be allocated (0 = don't care) */ |
| unsigned int flags; /* modes */ |
| unsigned char queue; /* input time-stamp queue (optional) */ |
| unsigned char pad[3]; /* reserved */ |
| char reserved[64]; |
| }; |
| |
| /* type of query subscription */ |
| #define SNDRV_SEQ_QUERY_SUBS_READ 0 |
| #define SNDRV_SEQ_QUERY_SUBS_WRITE 1 |
| |
| struct snd_seq_query_subs { |
| struct snd_seq_addr root; /* client/port id to be searched */ |
| int type; /* READ or WRITE */ |
| int index; /* 0..N-1 */ |
| int num_subs; /* R/O: number of subscriptions on this port */ |
| struct snd_seq_addr addr; /* R/O: result */ |
| unsigned char queue; /* R/O: result */ |
| unsigned int flags; /* R/O: result */ |
| char reserved[64]; /* for future use */ |
| }; |
| |
| |
| /* |
| * IOCTL commands |
| */ |
| |
| #define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int) |
| #define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int) |
| #define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info) |
| #define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info) |
| |
| #define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info) |
| #define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info) |
| |
| #define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info) |
| #define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info) |
| #define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info) |
| #define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info) |
| |
| #define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe) |
| #define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe) |
| |
| #define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info) |
| #define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info) |
| #define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info) |
| #define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info) |
| #define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info) |
| #define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status) |
| #define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo) |
| #define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo) |
| #define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer) |
| #define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer) |
| #define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client) |
| #define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client) |
| #define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool) |
| #define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool) |
| #define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events) |
| #define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs) |
| #define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe) |
| #define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info) |
| #define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info) |
| |
| #endif /* __SOUND_ASEQUENCER_H */ |
