LXR linux/sound/synth/emux/emux

   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
  88