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 */ 18 int snd_emux_init_seq(struct snd_emux *emu, struct snd_card *card, int index); 19 void snd_emux_detach_seq(struct snd_emux *emu); 20 struct 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); 23 void snd_emux_reset_port(struct snd_emux_port *port); 24 int snd_emux_event_input(struct snd_seq_event *ev, int direct, void *private, 25 int atomic, int hop); 26 int snd_emux_inc_count(struct snd_emux *emu); 27 void snd_emux_dec_count(struct snd_emux *emu); 28 int snd_emux_init_virmidi(struct snd_emux *emu, struct snd_card *card); 29 int snd_emux_delete_virmidi(struct snd_emux *emu); 30 31 /* Prototypes for emux_synth.c */ 32 void snd_emux_init_voices(struct snd_emux *emu); 33 34 void snd_emux_note_on(void *p, int note, int vel, struct snd_midi_channel *chan); 35 void snd_emux_note_off(void *p, int note, int vel, struct snd_midi_channel *chan); 36 void snd_emux_key_press(void *p, int note, int vel, struct snd_midi_channel *chan); 37 void snd_emux_terminate_note(void *p, int note, struct snd_midi_channel *chan); 38 void snd_emux_control(void *p, int type, struct snd_midi_channel *chan); 39 40 void snd_emux_sounds_off_all(struct snd_emux_port *port); 41 void snd_emux_update_channel(struct snd_emux_port *port, 42 struct snd_midi_channel *chan, int update); 43 void snd_emux_update_port(struct snd_emux_port *port, int update); 44 45 void snd_emux_timer_callback(struct timer_list *t); 46 47 /* emux_effect.c */ 48 #ifdef SNDRV_EMUX_USE_RAW_EFFECT 49 void snd_emux_create_effect(struct snd_emux_port *p); 50 void snd_emux_delete_effect(struct snd_emux_port *p); 51 void snd_emux_clear_effect(struct snd_emux_port *p); 52 void snd_emux_setup_effect(struct snd_emux_voice *vp); 53 void snd_emux_send_effect_oss(struct snd_emux_port *port, 54 struct snd_midi_channel *chan, int type, int val); 55 void 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 */ 60 void snd_emux_sysex(void *private_data, unsigned char *buf, int len, 61 int parsed, struct snd_midi_channel_set *chset); 62 int snd_emux_xg_control(struct snd_emux_port *port, 63 struct snd_midi_channel *chan, int param); 64 void snd_emux_nrpn(void *private_data, struct snd_midi_channel *chan, 65 struct snd_midi_channel_set *chset); 66 67 /* emux_oss.c */ 68 void snd_emux_init_seq_oss(struct snd_emux *emu); 69 void snd_emux_detach_seq_oss(struct snd_emux *emu); 70 71 /* emux_proc.c */ 72 #ifdef CONFIG_SND_PROC_FS 73 void snd_emux_proc_init(struct snd_emux *emu, struct snd_card *card, int device); 74 void snd_emux_proc_free(struct snd_emux *emu); 75 #else 76 static inline void snd_emux_proc_init(struct snd_emux *emu, 77 struct snd_card *card, int device) {} 78 static 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 */ 84 int snd_emux_init_hwdep(struct snd_emux *emu); 85 void snd_emux_delete_hwdep(struct snd_emux *emu); 86 87 #endif 88