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📁 ac97		[ DEL ]
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📄 ac97_codec.h	16,173 B	[ EDIT ] \| [ DEL ]
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📄 designware_i2s.h	1,631 B	[ EDIT ] \| [ DEL ]
📄 dmaengine_pcm.h	6,802 B	[ EDIT ] \| [ DEL ]
📄 emu10k1.h	92,513 B	[ EDIT ] \| [ DEL ]
📄 emu10k1_synth.h	693 B	[ EDIT ] \| [ DEL ]
📄 emu8000.h	3,333 B	[ EDIT ] \| [ DEL ]
📄 emu8000_reg.h	9,767 B	[ EDIT ] \| [ DEL ]
📄 emux_legacy.h	4,811 B	[ EDIT ] \| [ DEL ]
📄 emux_synth.h	6,948 B	[ EDIT ] \| [ DEL ]
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📄 hdmi-codec.h	3,117 B	[ EDIT ] \| [ DEL ]
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📄 mixer_oss.h	1,773 B	[ EDIT ] \| [ DEL ]
📄 mpu401.h	3,905 B	[ EDIT ] \| [ DEL ]
📄 omap-hdmi-audio.h	971 B	[ EDIT ] \| [ DEL ]
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📄 pcm.h	55,007 B	[ EDIT ] \| [ DEL ]
📄 pcm_drm_eld.h	183 B	[ EDIT ] \| [ DEL ]
📄 pcm_iec958.h	597 B	[ EDIT ] \| [ DEL ]
📄 pcm_oss.h	2,063 B	[ EDIT ] \| [ DEL ]
📄 pcm_params.h	8,864 B	[ EDIT ] \| [ DEL ]
📄 pt2258.h	513 B	[ EDIT ] \| [ DEL ]
📄 pxa2xx-lib.h	2,190 B	[ EDIT ] \| [ DEL ]
📄 rawmidi.h	5,663 B	[ EDIT ] \| [ DEL ]
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📄 seq_device.h	2,165 B	[ EDIT ] \| [ DEL ]
📄 seq_kernel.h	3,378 B	[ EDIT ] \| [ DEL ]
📄 seq_midi_emul.h	6,757 B	[ EDIT ] \| [ DEL ]
📄 seq_midi_event.h	1,356 B	[ EDIT ] \| [ DEL ]
📄 seq_oss.h	2,264 B	[ EDIT ] \| [ DEL ]
📄 seq_oss_legacy.h	360 B	[ EDIT ] \| [ DEL ]
📄 seq_virmidi.h	2,123 B	[ EDIT ] \| [ DEL ]
📄 sh_dac_audio.h	441 B	[ EDIT ] \| [ DEL ]
📄 sh_fsi.h	693 B	[ EDIT ] \| [ DEL ]
📄 simple_card.h	529 B	[ EDIT ] \| [ DEL ]
📄 simple_card_utils.h	8,816 B	[ EDIT ] \| [ DEL ]
📄 snd_wavefront.h	5,704 B	[ EDIT ] \| [ DEL ]
📄 soc-acpi-intel-match.h	2,417 B	[ EDIT ] \| [ DEL ]
📄 soc-acpi.h	6,675 B	[ EDIT ] \| [ DEL ]
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📄 soc.h	52,841 B	[ EDIT ] \| [ DEL ]
📄 sof.h	4,031 B	[ EDIT ] \| [ DEL ]
📄 soundfont.h	3,903 B	[ EDIT ] \| [ DEL ]
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📄 spear_spdif.h	345 B	[ EDIT ] \| [ DEL ]
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📄 uda134x.h	451 B	[ EDIT ] \| [ DEL ]
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📄 util_mem.h	1,623 B	[ EDIT ] \| [ DEL ]
📄 vx_core.h	15,055 B	[ EDIT ] \| [ DEL ]
📄 wavefront.h	18,518 B	[ EDIT ] \| [ DEL ]
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[ CLOSE ]

EDIT: emux_synth.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __SOUND_EMUX_SYNTH_H
#define __SOUND_EMUX_SYNTH_H

/*
 *  Defines for the Emu-series WaveTable chip
 *
 *  Copyright (C) 2000 Takashi Iwai <tiwai@suse.de>
 */

#include <sound/seq_kernel.h>
#include <sound/seq_device.h>
#include <sound/soundfont.h>
#include <sound/seq_midi_emul.h>
#include <sound/seq_oss.h>
#include <sound/emux_legacy.h>
#include <sound/seq_virmidi.h>

/*
 * compile flags
 */
#define SNDRV_EMUX_USE_RAW_EFFECT

struct snd_emux;
struct snd_emux_port;
struct snd_emux_voice;
struct snd_emux_effect_table;

/*
 * operators
 */
struct snd_emux_operators {
	struct module *owner;
	struct snd_emux_voice *(*get_voice)(struct snd_emux *emu,
					    struct snd_emux_port *port);
	int (*prepare)(struct snd_emux_voice *vp);
	void (*trigger)(struct snd_emux_voice *vp);
	void (*release)(struct snd_emux_voice *vp);
	void (*update)(struct snd_emux_voice *vp, int update);
	void (*terminate)(struct snd_emux_voice *vp);
	void (*free_voice)(struct snd_emux_voice *vp);
	void (*reset)(struct snd_emux *emu, int ch);
	/* the first parameters are struct snd_emux */
	int (*sample_new)(struct snd_emux *emu, struct snd_sf_sample *sp,
			  struct snd_util_memhdr *hdr,
			  const void __user *data, long count);
	int (*sample_free)(struct snd_emux *emu, struct snd_sf_sample *sp,
			   struct snd_util_memhdr *hdr);
	void (*sample_reset)(struct snd_emux *emu);
	int (*load_fx)(struct snd_emux *emu, int type, int arg,
		       const void __user *data, long count);
	void (*sysex)(struct snd_emux *emu, char *buf, int len, int parsed,
		      struct snd_midi_channel_set *chset);
#if IS_ENABLED(CONFIG_SND_SEQUENCER_OSS)
	int (*oss_ioctl)(struct snd_emux *emu, int cmd, int p1, int p2);
#endif
};

/*
 * constant values
 */
#define SNDRV_EMUX_MAX_PORTS		32	/* max # of sequencer ports */
#define SNDRV_EMUX_MAX_VOICES		64	/* max # of voices */
#define SNDRV_EMUX_MAX_MULTI_VOICES	16	/* max # of playable voices
						 * simultineously
						 */

/*
 * flags
 */
#define SNDRV_EMUX_ACCEPT_ROM		(1<<0)

/*
 * emuX wavetable
 */
struct snd_emux {

struct snd_card *card;	/* assigned card */

/* following should be initialized before registration */
	int max_voices;		/* Number of voices */
	int mem_size;		/* memory size (in byte) */
	int num_ports;		/* number of ports to be created */
	int pitch_shift;	/* pitch shift value (for Emu10k1) */
	struct snd_emux_operators ops;	/* operators */
	void *hw;		/* hardware */
	unsigned long flags;	/* other conditions */
	int midi_ports;		/* number of virtual midi devices */
	int midi_devidx;	/* device offset of virtual midi */
	unsigned int linear_panning: 1; /* panning is linear (sbawe = 1, emu10k1 = 0) */
	int hwdep_idx;		/* hwdep device index */
	struct snd_hwdep *hwdep;	/* hwdep device */

/* private */
	int num_voices;		/* current number of voices */
	struct snd_sf_list *sflist;	/* root of SoundFont list */
	struct snd_emux_voice *voices;	/* Voices (EMU 'channel') */
	int use_time;	/* allocation counter */
	spinlock_t voice_lock;	/* Lock for voice access */
	struct mutex register_mutex;
	int client;		/* For the sequencer client */
	int ports[SNDRV_EMUX_MAX_PORTS];	/* The ports for this device */
	struct snd_emux_port *portptrs[SNDRV_EMUX_MAX_PORTS];
	int used;	/* use counter */
	char *name;	/* name of the device (internal) */
	struct snd_rawmidi **vmidi;
	struct timer_list tlist;	/* for pending note-offs */
	int timer_active;

struct snd_util_memhdr *memhdr;	/* memory chunk information */

#ifdef CONFIG_SND_PROC_FS
	struct snd_info_entry *proc;
#endif

#if IS_ENABLED(CONFIG_SND_SEQUENCER_OSS)
	struct snd_seq_device *oss_synth;
#endif
};

/*
 * sequencer port information
 */
struct snd_emux_port {

struct snd_midi_channel_set chset;
	struct snd_emux *emu;

char port_mode;			/* operation mode */
	int volume_atten;		/* emuX raw attenuation */
	unsigned long drum_flags;	/* drum bitmaps */
	int ctrls[EMUX_MD_END];		/* control parameters */
#ifdef SNDRV_EMUX_USE_RAW_EFFECT
	struct snd_emux_effect_table *effect;
#endif
#if IS_ENABLED(CONFIG_SND_SEQUENCER_OSS)
	struct snd_seq_oss_arg *oss_arg;
#endif
};

/* port_mode */
#define SNDRV_EMUX_PORT_MODE_MIDI		0	/* normal MIDI port */
#define SNDRV_EMUX_PORT_MODE_OSS_SYNTH	1	/* OSS synth port */
#define SNDRV_EMUX_PORT_MODE_OSS_MIDI	2	/* OSS multi channel synth port */

/*
 * A structure to keep track of each hardware voice
 */
struct snd_emux_voice {
	int  ch;		/* Hardware channel number */

int  state;		/* status */
#define SNDRV_EMUX_ST_OFF		0x00	/* Not playing, and inactive */
#define SNDRV_EMUX_ST_ON		0x01	/* Note on */
#define SNDRV_EMUX_ST_RELEASED 	(0x02|SNDRV_EMUX_ST_ON)	/* Note released */
#define SNDRV_EMUX_ST_SUSTAINED	(0x04|SNDRV_EMUX_ST_ON)	/* Note sustained */
#define SNDRV_EMUX_ST_STANDBY	(0x08|SNDRV_EMUX_ST_ON)	/* Waiting to be triggered */
#define SNDRV_EMUX_ST_PENDING 	(0x10|SNDRV_EMUX_ST_ON)	/* Note will be released */
#define SNDRV_EMUX_ST_LOCKED		0x100	/* Not accessible */

unsigned int  time;	/* An allocation time */
	unsigned char note;	/* Note currently assigned to this voice */
	unsigned char key;
	unsigned char velocity;	/* Velocity of current note */

struct snd_sf_zone *zone;	/* Zone assigned to this note */
	void *block;		/* sample block pointer (optional) */
	struct snd_midi_channel *chan;	/* Midi channel for this note */
	struct snd_emux_port *port;	/* associated port */
	struct snd_emux *emu;	/* assigned root info */
	void *hw;		/* hardware pointer (emu8000 or emu10k1) */
	unsigned long ontime;	/* jiffies at note triggered */
	
	/* Emu8k/Emu10k1 registers */
	struct soundfont_voice_info reg;

/* additional registers */
	int avol;		/* volume attenuation */
	int acutoff;		/* cutoff target */
	int apitch;		/* pitch offset */
	int apan;		/* pan/aux pair */
	int aaux;
	int ptarget;		/* pitch target */
	int vtarget;		/* volume target */
	int ftarget;		/* filter target */

};

/*
 * update flags (can be combined)
 */
#define SNDRV_EMUX_UPDATE_VOLUME		(1<<0)
#define SNDRV_EMUX_UPDATE_PITCH		(1<<1)
#define SNDRV_EMUX_UPDATE_PAN		(1<<2)
#define SNDRV_EMUX_UPDATE_FMMOD		(1<<3)
#define SNDRV_EMUX_UPDATE_TREMFREQ	(1<<4)
#define SNDRV_EMUX_UPDATE_FM2FRQ2		(1<<5)
#define SNDRV_EMUX_UPDATE_Q		(1<<6)

#ifdef SNDRV_EMUX_USE_RAW_EFFECT
/*
 * effect table
 */
struct snd_emux_effect_table {
	/* Emu8000 specific effects */
	short val[EMUX_NUM_EFFECTS];
	unsigned char flag[EMUX_NUM_EFFECTS];
};
#endif /* SNDRV_EMUX_USE_RAW_EFFECT */

/*
 * prototypes - interface to Emu10k1 and Emu8k routines
 */
int snd_emux_new(struct snd_emux **remu);
int snd_emux_register(struct snd_emux *emu, struct snd_card *card, int index, char *name);
int snd_emux_free(struct snd_emux *emu);

/*
 * exported functions
 */
void snd_emux_terminate_all(struct snd_emux *emu);
void snd_emux_lock_voice(struct snd_emux *emu, int voice);
void snd_emux_unlock_voice(struct snd_emux *emu, int voice);

#endif /* __SOUND_EMUX_SYNTH_H */