Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 #ifndef __EMUX_VOICE_H
  2 #define __EMUX_VOICE_H
  3 
  4 /*
  5  * A structure to keep track of each hardware voice
  6  *
  7  *  Copyright (C) 1999 Steve Ratcliffe
  8  *  Copyright (c) 1999-2000 Takashi Iwai <tiwai@suse.de>
  9  *
 10  *   This program is free software; you can redistribute it and/or modify
 11  *   it under the terms of the GNU General Public License as published by
 12  *   the Free Software Foundation; either version 2 of the License, or
 13  *   (at your option) any later version.
 14  *
 15  *   This program is distributed in the hope that it will be useful,
 16  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 17  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 18  *   GNU General Public License for more details.
 19  *
 20  *   You should have received a copy of the GNU General Public License
 21  *   along with this program; if not, write to the Free Software
 22  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 23  */
 24 
 25 #include <linux/wait.h>
 26 #include <linux/sched.h>
 27 #include <sound/core.h>
 28 #include <sound/emux_synth.h>
 29 
 30 /* Prototypes for emux_seq.c */
 31 int snd_emux_init_seq(struct snd_emux *emu, struct snd_card *card, int index);
 32 void snd_emux_detach_seq(struct snd_emux *emu);
 33 struct snd_emux_port *snd_emux_create_port(struct snd_emux *emu, char *name,
 34                                            int max_channels, int type,
 35                                            struct snd_seq_port_callback *callback);
 36 void snd_emux_reset_port(struct snd_emux_port *port);
 37 int snd_emux_event_input(struct snd_seq_event *ev, int direct, void *private,
 38                          int atomic, int hop);
 39 int snd_emux_inc_count(struct snd_emux *emu);
 40 void snd_emux_dec_count(struct snd_emux *emu);
 41 int snd_emux_init_virmidi(struct snd_emux *emu, struct snd_card *card);
 42 int snd_emux_delete_virmidi(struct snd_emux *emu);
 43 
 44 /* Prototypes for emux_synth.c */
 45 void snd_emux_init_voices(struct snd_emux *emu);
 46 
 47 void snd_emux_note_on(void *p, int note, int vel, struct snd_midi_channel *chan);
 48 void snd_emux_note_off(void *p, int note, int vel, struct snd_midi_channel *chan);
 49 void snd_emux_key_press(void *p, int note, int vel, struct snd_midi_channel *chan);
 50 void snd_emux_terminate_note(void *p, int note, struct snd_midi_channel *chan);
 51 void snd_emux_control(void *p, int type, struct snd_midi_channel *chan);
 52 
 53 void snd_emux_sounds_off_all(struct snd_emux_port *port);
 54 void snd_emux_update_channel(struct snd_emux_port *port,
 55                              struct snd_midi_channel *chan, int update);
 56 void snd_emux_update_port(struct snd_emux_port *port, int update);
 57 
 58 void snd_emux_timer_callback(unsigned long data);
 59 
 60 /* emux_effect.c */
 61 #ifdef SNDRV_EMUX_USE_RAW_EFFECT
 62 void snd_emux_create_effect(struct snd_emux_port *p);
 63 void snd_emux_delete_effect(struct snd_emux_port *p);
 64 void snd_emux_clear_effect(struct snd_emux_port *p);
 65 void snd_emux_setup_effect(struct snd_emux_voice *vp);
 66 void snd_emux_send_effect_oss(struct snd_emux_port *port,
 67                               struct snd_midi_channel *chan, int type, int val);
 68 void snd_emux_send_effect(struct snd_emux_port *port,
 69                           struct snd_midi_channel *chan, int type, int val, int mode);
 70 #endif
 71 
 72 /* emux_nrpn.c */
 73 void snd_emux_sysex(void *private_data, unsigned char *buf, int len,
 74                     int parsed, struct snd_midi_channel_set *chset);
 75 int snd_emux_xg_control(struct snd_emux_port *port,
 76                         struct snd_midi_channel *chan, int param);
 77 void snd_emux_nrpn(void *private_data, struct snd_midi_channel *chan,
 78                    struct snd_midi_channel_set *chset);
 79 
 80 /* emux_oss.c */
 81 void snd_emux_init_seq_oss(struct snd_emux *emu);
 82 void snd_emux_detach_seq_oss(struct snd_emux *emu);
 83 
 84 /* emux_proc.c */
 85 #ifdef CONFIG_PROC_FS
 86 void snd_emux_proc_init(struct snd_emux *emu, struct snd_card *card, int device);
 87 void snd_emux_proc_free(struct snd_emux *emu);
 88 #endif
 89 
 90 #define STATE_IS_PLAYING(s) ((s) & SNDRV_EMUX_ST_ON)
 91 
 92 /* emux_hwdep.c */
 93 int snd_emux_init_hwdep(struct snd_emux *emu);
 94 void snd_emux_delete_hwdep(struct snd_emux *emu);
 95 
 96 #endif
 97 
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