emux_voice.h (3353B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2#ifndef __EMUX_VOICE_H 3#define __EMUX_VOICE_H 4 5/* 6 * A structure to keep track of each hardware voice 7 * 8 * Copyright (C) 1999 Steve Ratcliffe 9 * Copyright (c) 1999-2000 Takashi Iwai <tiwai@suse.de> 10 */ 11 12#include <linux/wait.h> 13#include <linux/sched.h> 14#include <sound/core.h> 15#include <sound/emux_synth.h> 16 17/* Prototypes for emux_seq.c */ 18int snd_emux_init_seq(struct snd_emux *emu, struct snd_card *card, int index); 19void snd_emux_detach_seq(struct snd_emux *emu); 20struct snd_emux_port *snd_emux_create_port(struct snd_emux *emu, char *name, 21 int max_channels, int type, 22 struct snd_seq_port_callback *callback); 23void snd_emux_reset_port(struct snd_emux_port *port); 24int snd_emux_event_input(struct snd_seq_event *ev, int direct, void *private, 25 int atomic, int hop); 26int snd_emux_inc_count(struct snd_emux *emu); 27void snd_emux_dec_count(struct snd_emux *emu); 28int snd_emux_init_virmidi(struct snd_emux *emu, struct snd_card *card); 29int snd_emux_delete_virmidi(struct snd_emux *emu); 30 31/* Prototypes for emux_synth.c */ 32void snd_emux_init_voices(struct snd_emux *emu); 33 34void snd_emux_note_on(void *p, int note, int vel, struct snd_midi_channel *chan); 35void snd_emux_note_off(void *p, int note, int vel, struct snd_midi_channel *chan); 36void snd_emux_key_press(void *p, int note, int vel, struct snd_midi_channel *chan); 37void snd_emux_terminate_note(void *p, int note, struct snd_midi_channel *chan); 38void snd_emux_control(void *p, int type, struct snd_midi_channel *chan); 39 40void snd_emux_sounds_off_all(struct snd_emux_port *port); 41void snd_emux_update_channel(struct snd_emux_port *port, 42 struct snd_midi_channel *chan, int update); 43void snd_emux_update_port(struct snd_emux_port *port, int update); 44 45void snd_emux_timer_callback(struct timer_list *t); 46 47/* emux_effect.c */ 48#ifdef SNDRV_EMUX_USE_RAW_EFFECT 49void snd_emux_create_effect(struct snd_emux_port *p); 50void snd_emux_delete_effect(struct snd_emux_port *p); 51void snd_emux_clear_effect(struct snd_emux_port *p); 52void snd_emux_setup_effect(struct snd_emux_voice *vp); 53void snd_emux_send_effect_oss(struct snd_emux_port *port, 54 struct snd_midi_channel *chan, int type, int val); 55void snd_emux_send_effect(struct snd_emux_port *port, 56 struct snd_midi_channel *chan, int type, int val, int mode); 57#endif 58 59/* emux_nrpn.c */ 60void snd_emux_sysex(void *private_data, unsigned char *buf, int len, 61 int parsed, struct snd_midi_channel_set *chset); 62int snd_emux_xg_control(struct snd_emux_port *port, 63 struct snd_midi_channel *chan, int param); 64void snd_emux_nrpn(void *private_data, struct snd_midi_channel *chan, 65 struct snd_midi_channel_set *chset); 66 67/* emux_oss.c */ 68void snd_emux_init_seq_oss(struct snd_emux *emu); 69void snd_emux_detach_seq_oss(struct snd_emux *emu); 70 71/* emux_proc.c */ 72#ifdef CONFIG_SND_PROC_FS 73void snd_emux_proc_init(struct snd_emux *emu, struct snd_card *card, int device); 74void snd_emux_proc_free(struct snd_emux *emu); 75#else 76static inline void snd_emux_proc_init(struct snd_emux *emu, 77 struct snd_card *card, int device) {} 78static inline void snd_emux_proc_free(struct snd_emux *emu) {} 79#endif 80 81#define STATE_IS_PLAYING(s) ((s) & SNDRV_EMUX_ST_ON) 82 83/* emux_hwdep.c */ 84int snd_emux_init_hwdep(struct snd_emux *emu); 85void snd_emux_delete_hwdep(struct snd_emux *emu); 86 87#endif