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
snd_emux_proc_init(struct snd_emux * emu,struct snd_card * card,int device)76 static inline void snd_emux_proc_init(struct snd_emux *emu,
77 struct snd_card *card, int device) {}
snd_emux_proc_free(struct snd_emux * emu)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