cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

asequencer.h (2975B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 *  Main header file for the ALSA sequencer
      4 *  Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
      5 *            (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz>
      6 */
      7#ifndef __SOUND_ASEQUENCER_H
      8#define __SOUND_ASEQUENCER_H
      9
     10#include <linux/ioctl.h>
     11#include <sound/asound.h>
     12#include <uapi/sound/asequencer.h>
     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)))
     16
     17/*
     18 * type check macros
     19 */
     20/* result events: 0-4 */
     21#define snd_seq_ev_is_result_type(ev)	((ev)->type < 5)
     22/* channel specific events: 5-19 */
     23#define snd_seq_ev_is_channel_type(ev)	((ev)->type >= 5 && (ev)->type < 20)
     24/* note events: 5-9 */
     25#define snd_seq_ev_is_note_type(ev)	((ev)->type >= 5 && (ev)->type < 10)
     26/* control events: 10-19 */
     27#define snd_seq_ev_is_control_type(ev)	((ev)->type >= 10 && (ev)->type < 20)
     28/* queue control events: 30-39 */
     29#define snd_seq_ev_is_queue_type(ev)	((ev)->type >= 30 && (ev)->type < 40)
     30/* system status messages */
     31#define snd_seq_ev_is_message_type(ev)	((ev)->type >= 60 && (ev)->type < 69)
     32/* sample messages */
     33#define snd_seq_ev_is_sample_type(ev)	((ev)->type >= 70 && (ev)->type < 79)
     34/* user-defined messages */
     35#define snd_seq_ev_is_user_type(ev)	((ev)->type >= 90 && (ev)->type < 99)
     36/* fixed length events: 0-99 */
     37#define snd_seq_ev_is_fixed_type(ev)	((ev)->type < 100)
     38/* variable length events: 130-139 */
     39#define snd_seq_ev_is_variable_type(ev)	((ev)->type >= 130 && (ev)->type < 140)
     40/* reserved for kernel */
     41#define snd_seq_ev_is_reserved(ev)	((ev)->type >= 150)
     42
     43/* direct dispatched events */
     44#define snd_seq_ev_is_direct(ev)	((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT)
     45
     46/*
     47 * macros to check event flags
     48 */
     49/* prior events */
     50#define snd_seq_ev_is_prior(ev)		(((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH)
     51
     52/* event length type */
     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)
     57
     58/* time-stamp type */
     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)
     62
     63/* time-mode type */
     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)
     67
     68/* queue sync port */
     69#define snd_seq_queue_sync_port(q)	((q) + 16)
     70
     71#endif /* __SOUND_ASEQUENCER_H */