1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *  ALSA sequencer System Client
4  *  Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl>
5  */
6 #ifndef __SND_SEQ_SYSTEM_H
7 #define __SND_SEQ_SYSTEM_H
8 
9 #include <sound/seq_kernel.h>
10 
11 
12 /* entry points for broadcasting system events */
13 void snd_seq_system_broadcast(int client, int port, int type);
14 
15 #define snd_seq_system_client_ev_client_start(client) snd_seq_system_broadcast(client, 0, SNDRV_SEQ_EVENT_CLIENT_START)
16 #define snd_seq_system_client_ev_client_exit(client) snd_seq_system_broadcast(client, 0, SNDRV_SEQ_EVENT_CLIENT_EXIT)
17 #define snd_seq_system_client_ev_client_change(client) snd_seq_system_broadcast(client, 0, SNDRV_SEQ_EVENT_CLIENT_CHANGE)
18 #define snd_seq_system_client_ev_port_start(client, port) snd_seq_system_broadcast(client, port, SNDRV_SEQ_EVENT_PORT_START)
19 #define snd_seq_system_client_ev_port_exit(client, port) snd_seq_system_broadcast(client, port, SNDRV_SEQ_EVENT_PORT_EXIT)
20 #define snd_seq_system_client_ev_port_change(client, port) snd_seq_system_broadcast(client, port, SNDRV_SEQ_EVENT_PORT_CHANGE)
21 
22 int snd_seq_system_notify(int client, int port, struct snd_seq_event *ev);
23 
24 /* register our internal client */
25 int snd_seq_system_client_init(void);
26 
27 /* unregister our internal client */
28 void snd_seq_system_client_done(void);
29 
30 
31 #endif
32