/* * 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@suse.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 #ifdef __KERNEL__ #include <linux/ioctl.h> #include <sound/asound.h> #endif /** version of the sequencer */ #define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION (1, 0, 1) /** * 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 */ /** synthesizer events * event data type = snd_seq_eve_sample_control */ #define SNDRV_SEQ_EVENT_SAMPLE 70 /* sample select */ #define SNDRV_SEQ_EVENT_SAMPLE_CLUSTER 71 /* sample cluster select */ #define SNDRV_SEQ_EVENT_SAMPLE_START 72 /* voice start */ #define SNDRV_SEQ_EVENT_SAMPLE_STOP 73 /* voice stop */ #define SNDRV_SEQ_EVENT_SAMPLE_FREQ 74 /* playback frequency */ #define SNDRV_SEQ_EVENT_SAMPLE_VOLUME 75 /* volume and balance */ #define SNDRV_SEQ_EVENT_SAMPLE_LOOP 76 /* sample loop */ #define SNDRV_SEQ_EVENT_SAMPLE_POSITION 77 /* sample position */ #define SNDRV_SEQ_EVENT_SAMPLE_PRIVATE1 78 /* private (hardware dependent) event */ /** 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 /** instrument layer * variable length data can be passed directly to the driver */ #define SNDRV_SEQ_EVENT_INSTR_BEGIN 100 /* begin of instrument management */ #define SNDRV_SEQ_EVENT_INSTR_END 101 /* end of instrument management */ #define SNDRV_SEQ_EVENT_INSTR_INFO 102 /* instrument interface info */ #define SNDRV_SEQ_EVENT_INSTR_INFO_RESULT 103 /* result */ #define SNDRV_SEQ_EVENT_INSTR_FINFO 104 /* get format info */ #define SNDRV_SEQ_EVENT_INSTR_FINFO_RESULT 105 /* get format info */ #define SNDRV_SEQ_EVENT_INSTR_RESET 106 /* reset instrument memory */ #define SNDRV_SEQ_EVENT_INSTR_STATUS 107 /* instrument interface status */ #define SNDRV_SEQ_EVENT_INSTR_STATUS_RESULT 108 /* result */ #define SNDRV_SEQ_EVENT_INSTR_PUT 109 /* put instrument to port */ #define SNDRV_SEQ_EVENT_INSTR_GET 110 /* get instrument from port */ #define SNDRV_SEQ_EVENT_INSTR_GET_RESULT 111 /* result */ #define SNDRV_SEQ_EVENT_INSTR_FREE 112 /* free instrument(s) */ #define SNDRV_SEQ_EVENT_INSTR_LIST 113 /* instrument list */ #define SNDRV_SEQ_EVENT_INSTR_LIST_RESULT 114 /* result */ #define SNDRV_SEQ_EVENT_INSTR_CLUSTER 115 /* cluster parameters */ #define SNDRV_SEQ_EVENT_INSTR_CLUSTER_GET 116 /* get cluster parameters */ #define SNDRV_SEQ_EVENT_INSTR_CLUSTER_RESULT 117 /* result */ #define SNDRV_SEQ_EVENT_INSTR_CHANGE 118 /* instrument change */ /* 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)); /* Instrument cluster type */ typedef unsigned int snd_seq_instr_cluster_t; /* Instrument type */ struct snd_seq_instr { snd_seq_instr_cluster_t cluster; unsigned int std; /* the upper byte means a private instrument (owner - client #) */ unsigned short bank; unsigned short prg; }; /* sample number */ struct snd_seq_ev_sample { unsigned int std; unsigned short bank; unsigned short prg; }; /* sample cluster */ struct snd_seq_ev_cluster { snd_seq_instr_cluster_t cluster; }; /* sample position */ typedef unsigned int snd_seq_position_t; /* playback position (in samples) * 16 */ /* sample stop mode */ enum { SAMPLE_STOP_IMMEDIATELY = 0, /* terminate playing immediately */ SAMPLE_STOP_VENVELOPE = 1, /* finish volume envelope */ SAMPLE_STOP_LOOP = 2 /* terminate loop and finish wave */ }; /* sample frequency */ typedef int snd_seq_frequency_t; /* playback frequency in HZ * 16 */ /* sample volume control; if any value is set to -1 == do not change */ struct snd_seq_ev_volume { signed short volume; /* range: 0-16383 */ signed short lr; /* left-right balance; range: 0-16383 */ signed short fr; /* front-rear balance; range: 0-16383 */ signed short du; /* down-up balance; range: 0-16383 */ }; /* simple loop redefinition */ struct snd_seq_ev_loop { unsigned int start; /* loop start (in samples) * 16 */ unsigned int end; /* loop end (in samples) * 16 */ }; struct snd_seq_ev_sample_control { unsigned char channel; unsigned char unused1, unused2, unused3; /* pad */ union { struct snd_seq_ev_sample sample; struct snd_seq_ev_cluster cluster; snd_seq_position_t position; int stop_mode; snd_seq_frequency_t frequency; struct snd_seq_ev_volume volume; struct snd_seq_ev_loop loop; unsigned char raw8[8]; } param; }; /* INSTR_BEGIN event */ struct snd_seq_ev_instr_begin { int timeout; /* zero = forever, otherwise timeout in ms */ }; 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_instr_begin instr_begin; struct snd_seq_ev_sample_control sample; 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. */ }; #ifdef __KERNEL__ /* helper macro */ #define snd_seq_event_bounce_ext_data(ev) ((void*)((char *)(ev)->data.ext.ptr + sizeof(struct snd_seq_event_bounce))) /* * type check macros */ /* result events: 0-4 */ #define snd_seq_ev_is_result_type(ev) ((ev)->type < 5) /* channel specific events: 5-19 */ #define snd_seq_ev_is_channel_type(ev) ((ev)->type >= 5 && (ev)->type < 20) /* note events: 5-9 */ #define snd_seq_ev_is_note_type(ev) ((ev)->type >= 5 && (ev)->type < 10) /* control events: 10-19 */ #define snd_seq_ev_is_control_type(ev) ((ev)->type >= 10 && (ev)->type < 20) /* queue control events: 30-39 */ #define snd_seq_ev_is_queue_type(ev) ((ev)->type >= 30 && (ev)->type < 40) /* system status messages */ #define snd_seq_ev_is_message_type(ev) ((ev)->type >= 60 && (ev)->type < 69) /* sample messages */ #define snd_seq_ev_is_sample_type(ev) ((ev)->type >= 70 && (ev)->type < 79) /* user-defined messages */ #define snd_seq_ev_is_user_type(ev) ((ev)->type >= 90 && (ev)->type < 99) /* fixed length events: 0-99 */ #define snd_seq_ev_is_fixed_type(ev) ((ev)->type < 100) /* instrument layer events: 100-129 */ #define snd_seq_ev_is_instr_type(ev) ((ev)->type >= 100 && (ev)->type < 130) /* variable length events: 130-139 */ #define snd_seq_ev_is_variable_type(ev) ((ev)->type >= 130 && (ev)->type < 140) /* reserved for kernel */ #define snd_seq_ev_is_reserved(ev) ((ev)->type >= 150) /* direct dispatched events */ #define snd_seq_ev_is_direct(ev) ((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT) /* * macros to check event flags */ /* prior events */ #define snd_seq_ev_is_prior(ev) (((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH) /* event length type */ #define snd_seq_ev_length_type(ev) ((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) #define snd_seq_ev_is_fixed(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED) #define snd_seq_ev_is_variable(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE) #define snd_seq_ev_is_varusr(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR) /* time-stamp type */ #define snd_seq_ev_timestamp_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK) #define snd_seq_ev_is_tick(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK) #define snd_seq_ev_is_real(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL) /* time-mode type */ #define snd_seq_ev_timemode_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK) #define snd_seq_ev_is_abstime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS) #define snd_seq_ev_is_reltime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL) /* queue sync port */ #define snd_seq_queue_sync_port(q) ((q) + 16) #endif /* __KERNEL__ */ /* 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 ((__force snd_seq_client_type_t) 0) #define USER_CLIENT ((__force snd_seq_client_type_t) 1) #define KERNEL_CLIENT ((__force 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 */ char reserved[64]; /* 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_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 */ }; /* * Instrument abstraction layer * - based on events */ /* instrument types */ #define SNDRV_SEQ_INSTR_ATYPE_DATA 0 /* instrument data */ #define SNDRV_SEQ_INSTR_ATYPE_ALIAS 1 /* instrument alias */ /* instrument ASCII identifiers */ #define SNDRV_SEQ_INSTR_ID_DLS1 "DLS1" #define SNDRV_SEQ_INSTR_ID_DLS2 "DLS2" #define SNDRV_SEQ_INSTR_ID_SIMPLE "Simple Wave" #define SNDRV_SEQ_INSTR_ID_SOUNDFONT "SoundFont" #define SNDRV_SEQ_INSTR_ID_GUS_PATCH "GUS Patch" #define SNDRV_SEQ_INSTR_ID_INTERWAVE "InterWave FFFF" #define SNDRV_SEQ_INSTR_ID_OPL2_3 "OPL2/3 FM" #define SNDRV_SEQ_INSTR_ID_OPL4 "OPL4" /* instrument types */ #define SNDRV_SEQ_INSTR_TYPE0_DLS1 (1<<0) /* MIDI DLS v1 */ #define SNDRV_SEQ_INSTR_TYPE0_DLS2 (1<<1) /* MIDI DLS v2 */ #define SNDRV_SEQ_INSTR_TYPE1_SIMPLE (1<<0) /* Simple Wave */ #define SNDRV_SEQ_INSTR_TYPE1_SOUNDFONT (1<<1) /* EMU SoundFont */ #define SNDRV_SEQ_INSTR_TYPE1_GUS_PATCH (1<<2) /* Gravis UltraSound Patch */ #define SNDRV_SEQ_INSTR_TYPE1_INTERWAVE (1<<3) /* InterWave FFFF */ #define SNDRV_SEQ_INSTR_TYPE2_OPL2_3 (1<<0) /* Yamaha OPL2/3 FM */ #define SNDRV_SEQ_INSTR_TYPE2_OPL4 (1<<1) /* Yamaha OPL4 */ /* put commands */ #define SNDRV_SEQ_INSTR_PUT_CMD_CREATE 0 #define SNDRV_SEQ_INSTR_PUT_CMD_REPLACE 1 #define SNDRV_SEQ_INSTR_PUT_CMD_MODIFY 2 #define SNDRV_SEQ_INSTR_PUT_CMD_ADD 3 #define SNDRV_SEQ_INSTR_PUT_CMD_REMOVE 4 /* get commands */ #define SNDRV_SEQ_INSTR_GET_CMD_FULL 0 #define SNDRV_SEQ_INSTR_GET_CMD_PARTIAL 1 /* query flags */ #define SNDRV_SEQ_INSTR_QUERY_FOLLOW_ALIAS (1<<0) /* free commands */ #define SNDRV_SEQ_INSTR_FREE_CMD_ALL 0 #define SNDRV_SEQ_INSTR_FREE_CMD_PRIVATE 1 #define SNDRV_SEQ_INSTR_FREE_CMD_CLUSTER 2 #define SNDRV_SEQ_INSTR_FREE_CMD_SINGLE 3 /* size of ROM/RAM */ typedef unsigned int snd_seq_instr_size_t; /* INSTR_INFO */ struct snd_seq_instr_info { int result; /* operation result */ unsigned int formats[8]; /* bitmap of supported formats */ int ram_count; /* count of RAM banks */ snd_seq_instr_size_t ram_sizes[16]; /* size of RAM banks */ int rom_count; /* count of ROM banks */ snd_seq_instr_size_t rom_sizes[8]; /* size of ROM banks */ char reserved[128]; }; /* INSTR_STATUS */ struct snd_seq_instr_status { int result; /* operation result */ snd_seq_instr_size_t free_ram[16]; /* free RAM in banks */ int instrument_count; /* count of downloaded instruments */ char reserved[128]; }; /* INSTR_FORMAT_INFO */ struct snd_seq_instr_format_info { char format[16]; /* format identifier - SNDRV_SEQ_INSTR_ID_* */ unsigned int len; /* max data length (without this structure) */ }; struct snd_seq_instr_format_info_result { int result; /* operation result */ char format[16]; /* format identifier */ unsigned int len; /* filled data length (without this structure) */ }; /* instrument data */ struct snd_seq_instr_data { char name[32]; /* instrument name */ char reserved[16]; /* for the future use */ int type; /* instrument type */ union { char format[16]; /* format identifier */ struct snd_seq_instr alias; } data; }; /* INSTR_PUT/GET, data are stored in one block (extended), header + data */ struct snd_seq_instr_header { union { struct snd_seq_instr instr; snd_seq_instr_cluster_t cluster; } id; /* instrument identifier */ unsigned int cmd; /* get/put/free command */ unsigned int flags; /* query flags (only for get) */ unsigned int len; /* real instrument data length (without header) */ int result; /* operation result */ char reserved[16]; /* for the future */ struct snd_seq_instr_data data; /* instrument data (for put/get result) */ }; /* INSTR_CLUSTER_SET */ struct snd_seq_instr_cluster_set { snd_seq_instr_cluster_t cluster; /* cluster identifier */ char name[32]; /* cluster name */ int priority; /* cluster priority */ char reserved[64]; /* for the future use */ }; /* INSTR_CLUSTER_GET */ struct snd_seq_instr_cluster_get { snd_seq_instr_cluster_t cluster; /* cluster identifier */ char name[32]; /* cluster name */ int priority; /* cluster priority */ char reserved[64]; /* for the 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_OWNER _IOWR('S', 0x43, struct snd_seq_queue_owner) #define SNDRV_SEQ_IOCTL_SET_QUEUE_OWNER _IOW ('S', 0x44, struct snd_seq_queue_owner) #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) /* XXX #define SNDRV_SEQ_IOCTL_GET_QUEUE_SYNC _IOWR('S', 0x53, struct snd_seq_queue_sync) #define SNDRV_SEQ_IOCTL_SET_QUEUE_SYNC _IOW ('S', 0x54, struct snd_seq_queue_sync) */ #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 */