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Diffstat (limited to 'include/sound/asequencer.h')
| -rw-r--r-- | include/sound/asequencer.h | 908 |
1 files changed, 908 insertions, 0 deletions
diff --git a/include/sound/asequencer.h b/include/sound/asequencer.h new file mode 100644 index 000000000000..728efd504262 --- /dev/null +++ b/include/sound/asequencer.h @@ -0,0 +1,908 @@ +/* + * 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 + +#ifndef __KERNEL__ +#include <linux/ioctl.h> +#endif + +#include <sound/asound.h> + +/** version of the sequencer */ +#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION (1, 0, 1) + +/** + * definition of sequencer event types + */ + +/** system messages + * event data type = #sndrv_seq_result_t + */ +#define SNDRV_SEQ_EVENT_SYSTEM 0 +#define SNDRV_SEQ_EVENT_RESULT 1 + +/** note messages (channel specific) + * event data type = #sndrv_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 = #sndrv_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 = #sndrv_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 = sndrv_seq_ev_queue_control_t + */ +#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 = sndrv_seq_addr_t + */ +#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 = sndrv_seq_connect_t + */ +#define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */ +#define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */ + +/** synthesizer events + * event data type = sndrv_seq_eve_sample_control_t + */ +#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 = sndrv_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 sndrv_seq_event_type_t; + +/** event address */ +struct sndrv_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 sndrv_seq_connect { + struct sndrv_seq_addr sender; + struct sndrv_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 sndrv_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 sndrv_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 sndrv_seq_ev_raw8 { + unsigned char d[12]; /* 8 bit value */ +}; + + /* generic set of integers (3x32 bit) */ +struct sndrv_seq_ev_raw32 { + unsigned int d[3]; /* 32 bit value */ +}; + + /* external stored data */ +struct sndrv_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 sndrv_seq_instr_cluster_t; + +/* Instrument type */ +struct sndrv_seq_instr { + sndrv_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 sndrv_seq_ev_sample { + unsigned int std; + unsigned short bank; + unsigned short prg; +}; + + /* sample cluster */ +struct sndrv_seq_ev_cluster { + sndrv_seq_instr_cluster_t cluster; +}; + + /* sample position */ +typedef unsigned int sndrv_seq_position_t; /* playback position (in samples) * 16 */ + + /* sample stop mode */ +enum sndrv_seq_stop_mode { + 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 sndrv_seq_frequency_t; /* playback frequency in HZ * 16 */ + + /* sample volume control; if any value is set to -1 == do not change */ +struct sndrv_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 sndrv_seq_ev_loop { + unsigned int start; /* loop start (in samples) * 16 */ + unsigned int end; /* loop end (in samples) * 16 */ +}; + +struct sndrv_seq_ev_sample_control { + unsigned char channel; + unsigned char unused1, unused2, unused3; /* pad */ + union { + struct sndrv_seq_ev_sample sample; + struct sndrv_seq_ev_cluster cluster; + sndrv_seq_position_t position; + enum sndrv_seq_stop_mode stop_mode; + sndrv_seq_frequency_t frequency; + struct sndrv_seq_ev_volume volume; + struct sndrv_seq_ev_loop loop; + unsigned char raw8[8]; + } param; +}; + + + +/* INSTR_BEGIN event */ +struct sndrv_seq_ev_instr_begin { + int timeout; /* zero = forever, otherwise timeout in ms */ +}; + +struct sndrv_seq_result { + int event; /* processed event type */ + int result; +}; + + +struct sndrv_seq_real_time { + unsigned int tv_sec; /* seconds */ + unsigned int tv_nsec; /* nanoseconds */ +}; + +typedef unsigned int sndrv_seq_tick_time_t; /* midi ticks */ + +union sndrv_seq_timestamp { + sndrv_seq_tick_time_t tick; + struct sndrv_seq_real_time time; +}; + +struct sndrv_seq_queue_skew { + unsigned int value; + unsigned int base; +}; + + /* queue timer control */ +struct sndrv_seq_ev_queue_control { + unsigned char queue; /* affected queue */ + unsigned char pad[3]; /* reserved */ + union { + signed int value; /* affected value (e.g. tempo) */ + union sndrv_seq_timestamp time; /* time */ + unsigned int position; /* sync position */ + struct sndrv_seq_queue_skew skew; + unsigned int d32[2]; + unsigned char d8[8]; + } param; +}; + + /* quoted event - inside the kernel only */ +struct sndrv_seq_ev_quote { + struct sndrv_seq_addr origin; /* original sender */ + unsigned short value; /* optional data */ + struct sndrv_seq_event *event; /* quoted event */ +} __attribute__((packed)); + + + /* sequencer event */ +struct sndrv_seq_event { + sndrv_seq_event_type_t type; /* event type */ + unsigned char flags; /* event flags */ + char tag; + + unsigned char queue; /* schedule queue */ + union sndrv_seq_timestamp time; /* schedule time */ + + + struct sndrv_seq_addr source; /* source address */ + struct sndrv_seq_addr dest; /* destination address */ + + union { /* event data... */ + struct sndrv_seq_ev_note note; + struct sndrv_seq_ev_ctrl control; + struct sndrv_seq_ev_raw8 raw8; + struct sndrv_seq_ev_raw32 raw32; + struct sndrv_seq_ev_ext ext; + struct sndrv_seq_ev_queue_control queue; + union sndrv_seq_timestamp time; + struct sndrv_seq_addr addr; + struct sndrv_seq_connect connect; + struct sndrv_seq_result result; + struct sndrv_seq_ev_instr_begin instr_begin; + struct sndrv_seq_ev_sample_control sample; + struct sndrv_seq_ev_quote quote; + } data; +}; + + +/* + * bounce event - stored as variable size data + */ +struct sndrv_seq_event_bounce { + int err; + struct sndrv_seq_event event; + /* external data follows here. */ +}; + +#define sndrv_seq_event_bounce_ext_data(ev) ((void*)((char *)(ev)->data.ext.ptr + sizeof(sndrv_seq_event_bounce_t))) + +/* + * type check macros + */ +/* result events: 0-4 */ +#define sndrv_seq_ev_is_result_type(ev) ((ev)->type < 5) +/* channel specific events: 5-19 */ +#define sndrv_seq_ev_is_channel_type(ev) ((ev)->type >= 5 && (ev)->type < 20) +/* note events: 5-9 */ +#define sndrv_seq_ev_is_note_type(ev) ((ev)->type >= 5 && (ev)->type < 10) +/* control events: 10-19 */ +#define sndrv_seq_ev_is_control_type(ev) ((ev)->type >= 10 && (ev)->type < 20) +/* queue control events: 30-39 */ +#define sndrv_seq_ev_is_queue_type(ev) ((ev)->type >= 30 && (ev)->type < 40) +/* system status messages */ +#define sndrv_seq_ev_is_message_type(ev) ((ev)->type >= 60 && (ev)->type < 69) +/* sample messages */ +#define sndrv_seq_ev_is_sample_type(ev) ((ev)->type >= 70 && (ev)->type < 79) +/* user-defined messages */ +#define sndrv_seq_ev_is_user_type(ev) ((ev)->type >= 90 && (ev)->type < 99) +/* fixed length events: 0-99 */ +#define sndrv_seq_ev_is_fixed_type(ev) ((ev)->type < 100) +/* instrument layer events: 100-129 */ +#define sndrv_seq_ev_is_instr_type(ev) ((ev)->type >= 100 && (ev)->type < 130) +/* variable length events: 130-139 */ +#define sndrv_seq_ev_is_variable_type(ev) ((ev)->type >= 130 && (ev)->type < 140) +/* reserved for kernel */ +#define sndrv_seq_ev_is_reserved(ev) ((ev)->type >= 150) + +/* direct dispatched events */ +#define sndrv_seq_ev_is_direct(ev) ((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT) + +/* + * macros to check event flags + */ +/* prior events */ +#define sndrv_seq_ev_is_prior(ev) (((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH) + +/* event length type */ +#define sndrv_seq_ev_length_type(ev) ((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) +#define sndrv_seq_ev_is_fixed(ev) (sndrv_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED) +#define sndrv_seq_ev_is_variable(ev) (sndrv_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE) +#define sndrv_seq_ev_is_varusr(ev) (sndrv_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR) + +/* time-stamp type */ +#define sndrv_seq_ev_timestamp_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK) +#define sndrv_seq_ev_is_tick(ev) (sndrv_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK) +#define sndrv_seq_ev_is_real(ev) (sndrv_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL) + +/* time-mode type */ +#define sndrv_seq_ev_timemode_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK) +#define sndrv_seq_ev_is_abstime(ev) (sndrv_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS) +#define sndrv_seq_ev_is_reltime(ev) (sndrv_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL) + +/* queue sync port */ +#define sndrv_seq_queue_sync_port(q) ((q) + 16) + + /* system information */ +struct sndrv_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 sndrv_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 +#define SNDRV_SEQ_CLIENT_DUMMY 62 /* dummy ports */ +#define SNDRV_SEQ_CLIENT_OSS 63 /* oss sequencer emulator */ + + + /* client types */ +enum sndrv_seq_client_type { + NO_CLIENT = 0, + USER_CLIENT = 1, + KERNEL_CLIENT = 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 sndrv_seq_client_info { + int client; /* client number to inquire */ + enum sndrv_seq_client_type 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 sndrv_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 sndrv_seq_remove_events { + unsigned int remove_mode; /* Flags that determine what gets removed */ + + union sndrv_seq_timestamp time; + + unsigned char queue; /* Queue for REMOVE_DEST */ + struct sndrv_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 sndrv_seq_port_info { + struct sndrv_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 sndrv_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 sndrv_seq_queue_status { + int queue; /* queue id */ + int events; /* read-only - queue size */ + sndrv_seq_tick_time_t tick; /* current tick */ + struct sndrv_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 sndrv_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 sndrv_seq_queue_timer { + int queue; /* sequencer queue */ + int type; /* source timer type */ + union { + struct { + struct sndrv_timer_id id; /* ALSA's timer ID */ + unsigned int resolution; /* resolution in Hz */ + } alsa; + } u; + char reserved[64]; /* for the future use */ +}; + + +struct sndrv_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 sndrv_seq_port_subscribe { + struct sndrv_seq_addr sender; /* sender address */ + struct sndrv_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 sndrv_seq_query_subs { + struct sndrv_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 sndrv_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 sndrv_seq_instr_size_t; + +/* INSTR_INFO */ + +struct sndrv_seq_instr_info { + int result; /* operation result */ + unsigned int formats[8]; /* bitmap of supported formats */ + int ram_count; /* count of RAM banks */ + sndrv_seq_instr_size_t ram_sizes[16]; /* size of RAM banks */ + int rom_count; /* count of ROM banks */ + sndrv_seq_instr_size_t rom_sizes[8]; /* size of ROM banks */ + char reserved[128]; +}; + +/* INSTR_STATUS */ + +struct sndrv_seq_instr_status { + int result; /* operation result */ + sndrv_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 sndrv_seq_instr_format_info { + char format[16]; /* format identifier - SNDRV_SEQ_INSTR_ID_* */ + unsigned int len; /* max data length (without this structure) */ +}; + +struct sndrv_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 sndrv_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 sndrv_seq_instr alias; + } data; +}; + +/* INSTR_PUT/GET, data are stored in one block (extended), header + data */ + +struct sndrv_seq_instr_header { + union { + struct sndrv_seq_instr instr; + sndrv_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 sndrv_seq_instr_data data; /* instrument data (for put/get result) */ +}; + +/* INSTR_CLUSTER_SET */ + +struct sndrv_seq_instr_cluster_set { + sndrv_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 sndrv_seq_instr_cluster_get { + sndrv_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 sndrv_seq_system_info) +#define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct sndrv_seq_running_info) + +#define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct sndrv_seq_client_info) +#define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct sndrv_seq_client_info) + +#define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct sndrv_seq_port_info) +#define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct sndrv_seq_port_info) +#define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct sndrv_seq_port_info) +#define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct sndrv_seq_port_info) + +#define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct sndrv_seq_port_subscribe) +#define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct sndrv_seq_port_subscribe) + +#define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct sndrv_seq_queue_info) +#define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct sndrv_seq_queue_info) +#define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct sndrv_seq_queue_info) +#define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct sndrv_seq_queue_info) +#define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct sndrv_seq_queue_info) +#define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct sndrv_seq_queue_status) +#define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct sndrv_seq_queue_tempo) +#define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct sndrv_seq_queue_tempo) +#define SNDRV_SEQ_IOCTL_GET_QUEUE_OWNER _IOWR('S', 0x43, struct sndrv_seq_queue_owner) +#define SNDRV_SEQ_IOCTL_SET_QUEUE_OWNER _IOW ('S', 0x44, struct sndrv_seq_queue_owner) +#define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct sndrv_seq_queue_timer) +#define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct sndrv_seq_queue_timer) +/* XXX +#define SNDRV_SEQ_IOCTL_GET_QUEUE_SYNC _IOWR('S', 0x53, struct sndrv_seq_queue_sync) +#define SNDRV_SEQ_IOCTL_SET_QUEUE_SYNC _IOW ('S', 0x54, struct sndrv_seq_queue_sync) +*/ +#define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct sndrv_seq_queue_client) +#define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct sndrv_seq_queue_client) +#define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct sndrv_seq_client_pool) +#define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct sndrv_seq_client_pool) +#define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct sndrv_seq_remove_events) +#define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct sndrv_seq_query_subs) +#define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct sndrv_seq_port_subscribe) +#define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct sndrv_seq_client_info) +#define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct sndrv_seq_port_info) + +#endif /* __SOUND_ASEQUENCER_H */ |