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ef9f0a42db
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
245 lines
7.4 KiB
C
245 lines
7.4 KiB
C
#ifndef __SOUND_EMUX_SYNTH_H
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#define __SOUND_EMUX_SYNTH_H
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/*
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* Defines for the Emu-series WaveTable chip
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*
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* Copyright (C) 2000 Takashi Iwai <tiwai@suse.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "seq_kernel.h"
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#include "seq_device.h"
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#include "soundfont.h"
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#include "seq_midi_emul.h"
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#ifdef CONFIG_SND_SEQUENCER_OSS
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#include "seq_oss.h"
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#endif
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#include "emux_legacy.h"
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#include "seq_virmidi.h"
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/*
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* compile flags
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*/
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#define SNDRV_EMUX_USE_RAW_EFFECT
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struct snd_emux;
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struct snd_emux_port;
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struct snd_emux_voice;
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struct snd_emux_effect_table;
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/*
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* operators
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*/
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struct snd_emux_operators {
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struct module *owner;
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struct snd_emux_voice *(*get_voice)(struct snd_emux *emu,
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struct snd_emux_port *port);
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int (*prepare)(struct snd_emux_voice *vp);
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void (*trigger)(struct snd_emux_voice *vp);
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void (*release)(struct snd_emux_voice *vp);
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void (*update)(struct snd_emux_voice *vp, int update);
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void (*terminate)(struct snd_emux_voice *vp);
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void (*free_voice)(struct snd_emux_voice *vp);
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void (*reset)(struct snd_emux *emu, int ch);
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/* the first parameters are struct snd_emux */
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int (*sample_new)(struct snd_emux *emu, struct snd_sf_sample *sp,
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struct snd_util_memhdr *hdr,
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const void __user *data, long count);
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int (*sample_free)(struct snd_emux *emu, struct snd_sf_sample *sp,
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struct snd_util_memhdr *hdr);
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void (*sample_reset)(struct snd_emux *emu);
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int (*load_fx)(struct snd_emux *emu, int type, int arg,
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const void __user *data, long count);
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void (*sysex)(struct snd_emux *emu, char *buf, int len, int parsed,
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struct snd_midi_channel_set *chset);
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#ifdef CONFIG_SND_SEQUENCER_OSS
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int (*oss_ioctl)(struct snd_emux *emu, int cmd, int p1, int p2);
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#endif
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};
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/*
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* constant values
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*/
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#define SNDRV_EMUX_MAX_PORTS 32 /* max # of sequencer ports */
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#define SNDRV_EMUX_MAX_VOICES 64 /* max # of voices */
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#define SNDRV_EMUX_MAX_MULTI_VOICES 16 /* max # of playable voices
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* simultineously
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*/
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/*
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* flags
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*/
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#define SNDRV_EMUX_ACCEPT_ROM (1<<0)
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/*
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* emuX wavetable
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*/
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struct snd_emux {
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struct snd_card *card; /* assigned card */
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/* following should be initialized before registration */
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int max_voices; /* Number of voices */
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int mem_size; /* memory size (in byte) */
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int num_ports; /* number of ports to be created */
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int pitch_shift; /* pitch shift value (for Emu10k1) */
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struct snd_emux_operators ops; /* operators */
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void *hw; /* hardware */
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unsigned long flags; /* other conditions */
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int midi_ports; /* number of virtual midi devices */
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int midi_devidx; /* device offset of virtual midi */
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unsigned int linear_panning: 1; /* panning is linear (sbawe = 1, emu10k1 = 0) */
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int hwdep_idx; /* hwdep device index */
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struct snd_hwdep *hwdep; /* hwdep device */
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/* private */
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int num_voices; /* current number of voices */
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struct snd_sf_list *sflist; /* root of SoundFont list */
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struct snd_emux_voice *voices; /* Voices (EMU 'channel') */
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int use_time; /* allocation counter */
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spinlock_t voice_lock; /* Lock for voice access */
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struct mutex register_mutex;
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int client; /* For the sequencer client */
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int ports[SNDRV_EMUX_MAX_PORTS]; /* The ports for this device */
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struct snd_emux_port *portptrs[SNDRV_EMUX_MAX_PORTS];
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int used; /* use counter */
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char *name; /* name of the device (internal) */
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struct snd_rawmidi **vmidi;
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struct timer_list tlist; /* for pending note-offs */
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int timer_active;
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struct snd_util_memhdr *memhdr; /* memory chunk information */
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#ifdef CONFIG_PROC_FS
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struct snd_info_entry *proc;
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#endif
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#ifdef CONFIG_SND_SEQUENCER_OSS
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struct snd_seq_device *oss_synth;
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#endif
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};
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/*
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* sequencer port information
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*/
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struct snd_emux_port {
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struct snd_midi_channel_set chset;
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struct snd_emux *emu;
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char port_mode; /* operation mode */
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int volume_atten; /* emuX raw attenuation */
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unsigned long drum_flags; /* drum bitmaps */
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int ctrls[EMUX_MD_END]; /* control parameters */
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#ifdef SNDRV_EMUX_USE_RAW_EFFECT
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struct snd_emux_effect_table *effect;
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#endif
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#ifdef CONFIG_SND_SEQUENCER_OSS
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struct snd_seq_oss_arg *oss_arg;
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#endif
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};
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/* port_mode */
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#define SNDRV_EMUX_PORT_MODE_MIDI 0 /* normal MIDI port */
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#define SNDRV_EMUX_PORT_MODE_OSS_SYNTH 1 /* OSS synth port */
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#define SNDRV_EMUX_PORT_MODE_OSS_MIDI 2 /* OSS multi channel synth port */
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/*
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* A structure to keep track of each hardware voice
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*/
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struct snd_emux_voice {
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int ch; /* Hardware channel number */
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int state; /* status */
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#define SNDRV_EMUX_ST_OFF 0x00 /* Not playing, and inactive */
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#define SNDRV_EMUX_ST_ON 0x01 /* Note on */
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#define SNDRV_EMUX_ST_RELEASED (0x02|SNDRV_EMUX_ST_ON) /* Note released */
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#define SNDRV_EMUX_ST_SUSTAINED (0x04|SNDRV_EMUX_ST_ON) /* Note sustained */
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#define SNDRV_EMUX_ST_STANDBY (0x08|SNDRV_EMUX_ST_ON) /* Waiting to be triggered */
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#define SNDRV_EMUX_ST_PENDING (0x10|SNDRV_EMUX_ST_ON) /* Note will be released */
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#define SNDRV_EMUX_ST_LOCKED 0x100 /* Not accessible */
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unsigned int time; /* An allocation time */
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unsigned char note; /* Note currently assigned to this voice */
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unsigned char key;
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unsigned char velocity; /* Velocity of current note */
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struct snd_sf_zone *zone; /* Zone assigned to this note */
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void *block; /* sample block pointer (optional) */
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struct snd_midi_channel *chan; /* Midi channel for this note */
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struct snd_emux_port *port; /* associated port */
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struct snd_emux *emu; /* assigned root info */
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void *hw; /* hardware pointer (emu8000 or emu10k1) */
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unsigned long ontime; /* jiffies at note triggered */
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/* Emu8k/Emu10k1 registers */
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struct soundfont_voice_info reg;
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/* additional registers */
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int avol; /* volume attenuation */
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int acutoff; /* cutoff target */
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int apitch; /* pitch offset */
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int apan; /* pan/aux pair */
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int aaux;
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int ptarget; /* pitch target */
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int vtarget; /* volume target */
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int ftarget; /* filter target */
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};
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/*
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* update flags (can be combined)
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*/
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#define SNDRV_EMUX_UPDATE_VOLUME (1<<0)
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#define SNDRV_EMUX_UPDATE_PITCH (1<<1)
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#define SNDRV_EMUX_UPDATE_PAN (1<<2)
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#define SNDRV_EMUX_UPDATE_FMMOD (1<<3)
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#define SNDRV_EMUX_UPDATE_TREMFREQ (1<<4)
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#define SNDRV_EMUX_UPDATE_FM2FRQ2 (1<<5)
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#define SNDRV_EMUX_UPDATE_Q (1<<6)
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#ifdef SNDRV_EMUX_USE_RAW_EFFECT
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/*
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* effect table
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*/
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struct snd_emux_effect_table {
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/* Emu8000 specific effects */
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short val[EMUX_NUM_EFFECTS];
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unsigned char flag[EMUX_NUM_EFFECTS];
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};
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#endif /* SNDRV_EMUX_USE_RAW_EFFECT */
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/*
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* prototypes - interface to Emu10k1 and Emu8k routines
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*/
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int snd_emux_new(struct snd_emux **remu);
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int snd_emux_register(struct snd_emux *emu, struct snd_card *card, int index, char *name);
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int snd_emux_free(struct snd_emux *emu);
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/*
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* exported functions
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*/
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void snd_emux_terminate_all(struct snd_emux *emu);
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void snd_emux_lock_voice(struct snd_emux *emu, int voice);
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void snd_emux_unlock_voice(struct snd_emux *emu, int voice);
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#endif /* __SOUND_EMUX_SYNTH_H */
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