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1/* SPDX-License-Identifier: GPL-2.0-or-later */2#ifndef __EMUX_VOICE_H3#define __EMUX_VOICE_H4 5/*6 * A structure to keep track of each hardware voice7 *8 * Copyright (C) 1999 Steve Ratcliffe9 * 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_EFFECT49void 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#endif58 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_FS73void snd_emux_proc_init(struct snd_emux *emu, struct snd_card *card, int device);74void snd_emux_proc_free(struct snd_emux *emu);75#else76static 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#endif80 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#endif88