88 lines
3.3 KiB
C
88 lines
3.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef __EMUX_VOICE_H
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#define __EMUX_VOICE_H
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/*
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* A structure to keep track of each hardware voice
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*
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* Copyright (C) 1999 Steve Ratcliffe
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* Copyright (c) 1999-2000 Takashi Iwai <tiwai@suse.de>
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*/
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#include <linux/wait.h>
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#include <linux/sched.h>
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#include <sound/core.h>
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#include <sound/emux_synth.h>
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/* Prototypes for emux_seq.c */
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int snd_emux_init_seq(struct snd_emux *emu, struct snd_card *card, int index);
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void snd_emux_detach_seq(struct snd_emux *emu);
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struct snd_emux_port *snd_emux_create_port(struct snd_emux *emu, char *name,
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int max_channels, int type,
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struct snd_seq_port_callback *callback);
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void snd_emux_reset_port(struct snd_emux_port *port);
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int snd_emux_event_input(struct snd_seq_event *ev, int direct, void *private,
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int atomic, int hop);
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int snd_emux_inc_count(struct snd_emux *emu);
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void snd_emux_dec_count(struct snd_emux *emu);
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int snd_emux_init_virmidi(struct snd_emux *emu, struct snd_card *card);
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int snd_emux_delete_virmidi(struct snd_emux *emu);
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/* Prototypes for emux_synth.c */
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void snd_emux_init_voices(struct snd_emux *emu);
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void snd_emux_note_on(void *p, int note, int vel, struct snd_midi_channel *chan);
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void snd_emux_note_off(void *p, int note, int vel, struct snd_midi_channel *chan);
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void snd_emux_key_press(void *p, int note, int vel, struct snd_midi_channel *chan);
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void snd_emux_terminate_note(void *p, int note, struct snd_midi_channel *chan);
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void snd_emux_control(void *p, int type, struct snd_midi_channel *chan);
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void snd_emux_sounds_off_all(struct snd_emux_port *port);
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void snd_emux_update_channel(struct snd_emux_port *port,
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struct snd_midi_channel *chan, int update);
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void snd_emux_update_port(struct snd_emux_port *port, int update);
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void snd_emux_timer_callback(struct timer_list *t);
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/* emux_effect.c */
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#ifdef SNDRV_EMUX_USE_RAW_EFFECT
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void snd_emux_create_effect(struct snd_emux_port *p);
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void snd_emux_delete_effect(struct snd_emux_port *p);
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void snd_emux_clear_effect(struct snd_emux_port *p);
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void snd_emux_setup_effect(struct snd_emux_voice *vp);
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void snd_emux_send_effect_oss(struct snd_emux_port *port,
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struct snd_midi_channel *chan, int type, int val);
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void snd_emux_send_effect(struct snd_emux_port *port,
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struct snd_midi_channel *chan, int type, int val, int mode);
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#endif
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/* emux_nrpn.c */
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void snd_emux_sysex(void *private_data, unsigned char *buf, int len,
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int parsed, struct snd_midi_channel_set *chset);
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int snd_emux_xg_control(struct snd_emux_port *port,
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struct snd_midi_channel *chan, int param);
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void snd_emux_nrpn(void *private_data, struct snd_midi_channel *chan,
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struct snd_midi_channel_set *chset);
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/* emux_oss.c */
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void snd_emux_init_seq_oss(struct snd_emux *emu);
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void snd_emux_detach_seq_oss(struct snd_emux *emu);
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/* emux_proc.c */
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#ifdef CONFIG_SND_PROC_FS
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void snd_emux_proc_init(struct snd_emux *emu, struct snd_card *card, int device);
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void snd_emux_proc_free(struct snd_emux *emu);
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#else
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static inline void snd_emux_proc_init(struct snd_emux *emu,
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struct snd_card *card, int device) {}
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static inline void snd_emux_proc_free(struct snd_emux *emu) {}
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#endif
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#define STATE_IS_PLAYING(s) ((s) & SNDRV_EMUX_ST_ON)
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/* emux_hwdep.c */
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int snd_emux_init_hwdep(struct snd_emux *emu);
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void snd_emux_delete_hwdep(struct snd_emux *emu);
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#endif
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