Add build system scaffolding and libc headers

1 files changed, 692 insertions, 0 deletions

diff --git a/include/arch/x86_64/sound/asequencer.h b/include/arch/x86_64/sound/asequencer.h
new file mode 100644
index 00000000..e5332cd9
--- /dev/null
+++ b/include/arch/x86_64/sound/asequencer.h
@@ -0,0 +1,692 @@
+/* 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>
+ */
+#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, 5)
+
+/**
+ * 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 */
+
+#define SNDRV_SEQ_EVENT_UMP_EP_CHANGE	 68 /* UMP EP info has changed */
+#define SNDRV_SEQ_EVENT_UMP_BLOCK_CHANGE 69 /* UMP block info has changed */
+
+/* 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)
+
+#define SNDRV_SEQ_EVENT_UMP (1 << 5) /* event holds a UMP packet */
+
+/* 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));
+
+/* UMP info change notify */
+struct snd_seq_ev_ump_notify {
+	unsigned char client; /**< Client number */
+	unsigned char block;  /**< Block number (optional) */
+};
+
+union snd_seq_event_data { /* 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;
+	struct snd_seq_ev_ump_notify ump_notify;
+};
+
+/* 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 snd_seq_event_data data;
+};
+
+/* (compatible) event for UMP-capable clients */
+struct snd_seq_ump_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 {
+		union snd_seq_event_data data;
+		unsigned int ump[4];
+	};
+};
+
+/*
+ * 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  (1U << 0) /* accept broadcast messages */
+#define SNDRV_SEQ_FILTER_MULTICAST  (1U << 1) /* accept multicast messages */
+#define SNDRV_SEQ_FILTER_BOUNCE	    (1U << 2) /* accept bounce event in error */
+#define SNDRV_SEQ_FILTER_NO_CONVERT (1U << 30) /* don't convert UMP events */
+#define SNDRV_SEQ_FILTER_USE_EVENT  (1U << 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] */
+	unsigned int midi_version;	   /* MIDI version */
+	unsigned int group_filter;	   /* UMP group filter bitmap
+					    * (bit 0 = groupless messages,
+					    *  bit 1-16 = messages for groups 1-16)
+					    */
+	char reserved[48];		   /* for future use */
+};
+
+/* MIDI version numbers in client info */
+#define SNDRV_SEQ_CLIENT_LEGACY_MIDI  0 /* Legacy client */
+#define SNDRV_SEQ_CLIENT_UMP_MIDI_1_0 1 /* UMP MIDI 1.0 */
+#define SNDRV_SEQ_CLIENT_UMP_MIDI_2_0 2 /* UMP MIDI 2.0 */
+
+/* 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 */
+#define SNDRV_SEQ_PORT_CAP_INACTIVE   (1 << 8) /* inactive port */
+#define SNDRV_SEQ_PORT_CAP_UMP_ENDPOINT \
+	(1 << 9) /* MIDI 2.0 UMP Endpoint port */
+
+/* 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 */
+#define SNDRV_SEQ_PORT_TYPE_MIDI_UMP (1 << 7) /* UMP */
+
+/* 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)
+
+#define SNDRV_SEQ_PORT_FLG_IS_MIDI1 (1 << 3) /* Keep MIDI 1.0 protocol */
+
+/* port direction */
+#define SNDRV_SEQ_PORT_DIR_UNKNOWN     0
+#define SNDRV_SEQ_PORT_DIR_INPUT       1
+#define SNDRV_SEQ_PORT_DIR_OUTPUT      2
+#define SNDRV_SEQ_PORT_DIR_BIDIRECTION 3
+
+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 */
+	unsigned char direction;  /* port usage direction (r/w/bidir) */
+	unsigned char ump_group; /* 0 = UMP EP (no conversion), 1-16 = UMP group
+				    number */
+	char reserved[57];	 /* 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 (or different time-base
+			       below) */
+	int ppq;	    /* time resolution, ticks/quarter */
+	unsigned int skew_value;   /* queue skew */
+	unsigned int skew_base;	   /* queue skew base */
+	unsigned short tempo_base; /* tempo base in nsec unit; either 10 or 1000
+				    */
+	char reserved[22];	   /* 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 */
+};
+
+/*
+ * UMP-specific information
+ */
+/* type of UMP info query */
+#define SNDRV_SEQ_CLIENT_UMP_INFO_ENDPOINT 0
+#define SNDRV_SEQ_CLIENT_UMP_INFO_BLOCK	   1
+
+struct snd_seq_client_ump_info {
+	int client;		 /* client number to inquire/set */
+	int type;		 /* type to inquire/set */
+	unsigned char info[512]; /* info (either UMP ep or block info) */
+} __attribute__((packed));
+
+/*
+ *  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_USER_PVERSION _IOW('S', 0x04, int)
+
+#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_GET_CLIENT_UMP_INFO \
+	_IOWR('S', 0x12, struct snd_seq_client_ump_info)
+#define SNDRV_SEQ_IOCTL_SET_CLIENT_UMP_INFO \
+	_IOWR('S', 0x13, struct snd_seq_client_ump_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 */