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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/sound/synth/emux/emux_voice.h
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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 <[email protected]>

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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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