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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/sound/asequencer.h
downloadlinux-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.bz2
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'include/sound/asequencer.h')
-rw-r--r--include/sound/asequencer.h908
1 files changed, 908 insertions, 0 deletions
diff --git a/include/sound/asequencer.h b/include/sound/asequencer.h
new file mode 100644
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--- /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 */