1 /* SPDX-License-Identifier: GPL-2.0-or-later */
6 * A structure to keep track of each hardware voice
8 * Copyright (C) 1999 Steve Ratcliffe
9 * Copyright (c) 1999-2000 Takashi Iwai <tiwai@suse.de>
12 #include <linux/wait.h>
13 #include <linux/sched.h>
14 #include <sound/core.h>
15 #include <sound/emux_synth.h>
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,
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
);
31 /* Prototypes for emux_synth.c */
32 void snd_emux_init_voices(struct snd_emux
*emu
);
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
);
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
);
45 void snd_emux_timer_callback(struct timer_list
*t
);
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
);
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
);
68 void snd_emux_init_seq_oss(struct snd_emux
*emu
);
69 void snd_emux_detach_seq_oss(struct snd_emux
*emu
);
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
);
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
) {}
81 #define STATE_IS_PLAYING(s) ((s) & SNDRV_EMUX_ST_ON)
84 int snd_emux_init_hwdep(struct snd_emux
*emu
);
85 void snd_emux_delete_hwdep(struct snd_emux
*emu
);