/* SPDX-License-Identifier: GPL-2.0-or-later */

  /*
   *  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 <linux/ioctl.h>

  #include <sound/asound.h>

  #include <uapi/sound/asequencer.h>

  
  /* helper macro */
  #define snd_seq_event_bounce_ext_data(ev) ((void*)((char *)(ev)->data.ext.ptr + sizeof(struct snd_seq_event_bounce)))

  
  /*
   * type check macros
   */
  /* result events: 0-4 */

  #define snd_seq_ev_is_result_type(ev)	((ev)->type < 5)

  /* channel specific events: 5-19 */

  #define snd_seq_ev_is_channel_type(ev)	((ev)->type >= 5 && (ev)->type < 20)

  /* note events: 5-9 */

  #define snd_seq_ev_is_note_type(ev)	((ev)->type >= 5 && (ev)->type < 10)

  /* control events: 10-19 */

  #define snd_seq_ev_is_control_type(ev)	((ev)->type >= 10 && (ev)->type < 20)

  /* queue control events: 30-39 */

  #define snd_seq_ev_is_queue_type(ev)	((ev)->type >= 30 && (ev)->type < 40)

  /* system status messages */

  #define snd_seq_ev_is_message_type(ev)	((ev)->type >= 60 && (ev)->type < 69)

  /* sample messages */

  #define snd_seq_ev_is_sample_type(ev)	((ev)->type >= 70 && (ev)->type < 79)

  /* user-defined messages */

  #define snd_seq_ev_is_user_type(ev)	((ev)->type >= 90 && (ev)->type < 99)

  /* fixed length events: 0-99 */

  #define snd_seq_ev_is_fixed_type(ev)	((ev)->type < 100)

  /* variable length events: 130-139 */

  #define snd_seq_ev_is_variable_type(ev)	((ev)->type >= 130 && (ev)->type < 140)

  /* reserved for kernel */

  #define snd_seq_ev_is_reserved(ev)	((ev)->type >= 150)

  
  /* direct dispatched events */

  #define snd_seq_ev_is_direct(ev)	((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT)

  
  /*
   * macros to check event flags
   */
  /* prior events */

  #define snd_seq_ev_is_prior(ev)		(((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH)

  
  /* event length type */

  #define snd_seq_ev_length_type(ev)	((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK)
  #define snd_seq_ev_is_fixed(ev)		(snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED)
  #define snd_seq_ev_is_variable(ev)	(snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE)
  #define snd_seq_ev_is_varusr(ev)	(snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR)

  
  /* time-stamp type */

  #define snd_seq_ev_timestamp_type(ev)	((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK)
  #define snd_seq_ev_is_tick(ev)		(snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK)
  #define snd_seq_ev_is_real(ev)		(snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL)

  
  /* time-mode type */

  #define snd_seq_ev_timemode_type(ev)	((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK)
  #define snd_seq_ev_is_abstime(ev)	(snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS)
  #define snd_seq_ev_is_reltime(ev)	(snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL)

  
  /* queue sync port */

  #define snd_seq_queue_sync_port(q)	((q) + 16)

  #endif /* __SOUND_ASEQUENCER_H */