--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * 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 */
projects / cross.git / blobdiff