[thirdparty/linux.git] / include / sound / asequencer.h

/* 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 */
Commit	Line	Data
1a59d1b8	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
1da177e4 LT	2	/*
	3	* Main header file for the ALSA sequencer
	4	* Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
c1017a4c	5	* (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz>
1da177e4 LT	6	*/
	7	#ifndef __SOUND_ASEQUENCER_H
	8	#define __SOUND_ASEQUENCER_H
	9
1da177e4	10	#include <linux/ioctl.h>
1da177e4	11	#include <sound/asound.h>
674e95ca	12	#include <uapi/sound/asequencer.h>
c7e0b5bf TI	13
	14	/* helper macro */
	15	#define snd_seq_event_bounce_ext_data(ev) ((void)((char )(ev)->data.ext.ptr + sizeof(struct snd_seq_event_bounce)))
1da177e4 LT	16
	17	/*
	18	* type check macros
	19	*/
	20	/* result events: 0-4 */
c7e0b5bf	21	#define snd_seq_ev_is_result_type(ev) ((ev)->type < 5)
1da177e4	22	/* channel specific events: 5-19 */
c7e0b5bf	23	#define snd_seq_ev_is_channel_type(ev) ((ev)->type >= 5 && (ev)->type < 20)
1da177e4	24	/* note events: 5-9 */
c7e0b5bf	25	#define snd_seq_ev_is_note_type(ev) ((ev)->type >= 5 && (ev)->type < 10)
1da177e4	26	/* control events: 10-19 */
c7e0b5bf	27	#define snd_seq_ev_is_control_type(ev) ((ev)->type >= 10 && (ev)->type < 20)
1da177e4	28	/* queue control events: 30-39 */
c7e0b5bf	29	#define snd_seq_ev_is_queue_type(ev) ((ev)->type >= 30 && (ev)->type < 40)
1da177e4	30	/* system status messages */
c7e0b5bf	31	#define snd_seq_ev_is_message_type(ev) ((ev)->type >= 60 && (ev)->type < 69)
1da177e4	32	/* sample messages */
c7e0b5bf	33	#define snd_seq_ev_is_sample_type(ev) ((ev)->type >= 70 && (ev)->type < 79)
1da177e4	34	/* user-defined messages */
c7e0b5bf	35	#define snd_seq_ev_is_user_type(ev) ((ev)->type >= 90 && (ev)->type < 99)
1da177e4	36	/* fixed length events: 0-99 */
c7e0b5bf	37	#define snd_seq_ev_is_fixed_type(ev) ((ev)->type < 100)
1da177e4	38	/* variable length events: 130-139 */
c7e0b5bf	39	#define snd_seq_ev_is_variable_type(ev) ((ev)->type >= 130 && (ev)->type < 140)
1da177e4	40	/* reserved for kernel */
c7e0b5bf	41	#define snd_seq_ev_is_reserved(ev) ((ev)->type >= 150)
1da177e4 LT	42
1da177e4 LT	43	/* direct dispatched events */
c7e0b5bf	44	#define snd_seq_ev_is_direct(ev) ((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT)
1da177e4 LT	45
	46	/*
	47	* macros to check event flags
	48	*/
	49	/* prior events */
c7e0b5bf	50	#define snd_seq_ev_is_prior(ev) (((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH)
1da177e4 LT	51
1da177e4 LT	52	/* event length type */
c7e0b5bf TI	53	#define snd_seq_ev_length_type(ev) ((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK)
	54	#define snd_seq_ev_is_fixed(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED)
	55	#define snd_seq_ev_is_variable(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE)
	56	#define snd_seq_ev_is_varusr(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR)
1da177e4 LT	57
1da177e4 LT	58	/* time-stamp type */
c7e0b5bf TI	59	#define snd_seq_ev_timestamp_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK)
	60	#define snd_seq_ev_is_tick(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK)
	61	#define snd_seq_ev_is_real(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL)
1da177e4 LT	62
1da177e4 LT	63	/* time-mode type */
c7e0b5bf TI	64	#define snd_seq_ev_timemode_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK)
	65	#define snd_seq_ev_is_abstime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS)
	66	#define snd_seq_ev_is_reltime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL)
1da177e4 LT	67
1da177e4 LT	68	/* queue sync port */
c7e0b5bf TI	69	#define snd_seq_queue_sync_port(q) ((q) + 16)
c7e0b5bf TI	70
1da177e4	71	#endif /* __SOUND_ASEQUENCER_H */