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