Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  Main header file for the ALSA sequencer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *  Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *            (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #ifndef __SOUND_ASEQUENCER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #define __SOUND_ASEQUENCER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/ioctl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <sound/asound.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <uapi/sound/asequencer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) /* helper macro */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define snd_seq_event_bounce_ext_data(ev) ((void*)((char *)(ev)->data.ext.ptr + sizeof(struct snd_seq_event_bounce)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  * type check macros
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /* result events: 0-4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define snd_seq_ev_is_result_type(ev)	((ev)->type < 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) /* channel specific events: 5-19 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define snd_seq_ev_is_channel_type(ev)	((ev)->type >= 5 && (ev)->type < 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) /* note events: 5-9 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define snd_seq_ev_is_note_type(ev)	((ev)->type >= 5 && (ev)->type < 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /* control events: 10-19 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define snd_seq_ev_is_control_type(ev)	((ev)->type >= 10 && (ev)->type < 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /* queue control events: 30-39 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define snd_seq_ev_is_queue_type(ev)	((ev)->type >= 30 && (ev)->type < 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) /* system status messages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define snd_seq_ev_is_message_type(ev)	((ev)->type >= 60 && (ev)->type < 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) /* sample messages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define snd_seq_ev_is_sample_type(ev)	((ev)->type >= 70 && (ev)->type < 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) /* user-defined messages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define snd_seq_ev_is_user_type(ev)	((ev)->type >= 90 && (ev)->type < 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /* fixed length events: 0-99 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define snd_seq_ev_is_fixed_type(ev)	((ev)->type < 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) /* variable length events: 130-139 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define snd_seq_ev_is_variable_type(ev)	((ev)->type >= 130 && (ev)->type < 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) /* reserved for kernel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define snd_seq_ev_is_reserved(ev)	((ev)->type >= 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) /* direct dispatched events */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define snd_seq_ev_is_direct(ev)	((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)  * macros to check event flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) /* prior events */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define snd_seq_ev_is_prior(ev)		(((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) /* event length type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define snd_seq_ev_length_type(ev)	((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define snd_seq_ev_is_fixed(ev)		(snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define snd_seq_ev_is_variable(ev)	(snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define snd_seq_ev_is_varusr(ev)	(snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) /* time-stamp type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define snd_seq_ev_timestamp_type(ev)	((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define snd_seq_ev_is_tick(ev)		(snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define snd_seq_ev_is_real(ev)		(snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) /* time-mode type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define snd_seq_ev_timemode_type(ev)	((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define snd_seq_ev_is_abstime(ev)	(snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define snd_seq_ev_is_reltime(ev)	(snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) /* queue sync port */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define snd_seq_queue_sync_port(q)	((q) + 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #endif /* __SOUND_ASEQUENCER_H */