FM / sound

/usr/src/linux-headers-5.15.0-181/include/sound/

/usr/src/linux-headers-5.15.0-181/include/sound

Name	Size	Mode	Actions
ac97/	-	0755	rm
sof/	-	0755	rm
ac97_codec.h	16044	0644	edit dl rm
aci.h	2458	0644	edit dl rm
ad1816a.h	4843	0644	edit dl rm
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ak4531_codec.h	2478	0644	edit dl rm
ak4641.h	476	0644	edit dl rm
alc5623.h	536	0644	edit dl rm
asequencer.h	2975	0644	edit dl rm
asound.h	590	0644	edit dl rm
asoundef.h	16403	0644	edit dl rm
compress_driver.h	7986	0644	edit dl rm
control.h	9958	0644	edit dl rm
core.h	15895	0644	edit dl rm
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da9055.h	707	0644	edit dl rm
designware_i2s.h	1631	0644	edit dl rm
dmaengine_pcm.h	6913	0644	edit dl rm
emu10k1.h	90722	0644	edit dl rm
emu10k1_synth.h	693	0644	edit dl rm
emu8000.h	3333	0644	edit dl rm
emu8000_reg.h	9767	0644	edit dl rm
emux_legacy.h	4811	0644	edit dl rm
emux_synth.h	6948	0644	edit dl rm
es1688.h	2923	0644	edit dl rm
graph_card.h	271	0644	edit dl rm
gus.h	20119	0644	edit dl rm
hdaudio.h	21538	0644	edit dl rm
hdaudio_ext.h	5680	0644	edit dl rm
hda_chmap.h	2660	0644	edit dl rm
hda_codec.h	17669	0644	edit dl rm
hda_component.h	2085	0644	edit dl rm
hda_hwdep.h	736	0644	edit dl rm
hda_i915.h	589	0644	edit dl rm
hda_register.h	10655	0644	edit dl rm
hda_regmap.h	6934	0644	edit dl rm
hda_verbs.h	17296	0644	edit dl rm
hdmi-codec.h	3011	0644	edit dl rm
hwdep.h	1925	0644	edit dl rm
i2c.h	2857	0644	edit dl rm
info.h	8053	0644	edit dl rm
initval.h	2484	0644	edit dl rm
intel-dsp-config.h	869	0644	edit dl rm
intel-nhlt.h	2851	0644	edit dl rm
jack.h	3172	0644	edit dl rm
l3.h	524	0644	edit dl rm
madera-pdata.h	1996	0644	edit dl rm
max9768.h	729	0644	edit dl rm
max98088.h	1074	0644	edit dl rm
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max98095.h	1357	0644	edit dl rm
memalloc.h	2642	0644	edit dl rm
minors.h	3738	0644	edit dl rm
mixer_oss.h	1773	0644	edit dl rm
mpu401.h	3905	0644	edit dl rm
omap-hdmi-audio.h	971	0644	edit dl rm
opl3.h	11909	0644	edit dl rm
opl4.h	459	0644	edit dl rm
pcm-indirect.h	5159	0644	edit dl rm
pcm.h	53684	0644	edit dl rm
pcm_drm_eld.h	183	0644	edit dl rm
pcm_iec958.h	597	0644	edit dl rm
pcm_oss.h	2063	0644	edit dl rm
pcm_params.h	8864	0644	edit dl rm
pt2258.h	513	0644	edit dl rm
pxa2xx-lib.h	2190	0644	edit dl rm
rawmidi.h	5881	0644	edit dl rm
rt286.h	314	0644	edit dl rm
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s3c24xx_uda134x.h	229	0644	edit dl rm
sb.h	10550	0644	edit dl rm
sb16_csp.h	2100	0644	edit dl rm
seq_device.h	2165	0644	edit dl rm
seq_kernel.h	3378	0644	edit dl rm
seq_midi_emul.h	6757	0644	edit dl rm
seq_midi_event.h	1356	0644	edit dl rm
seq_oss.h	2264	0644	edit dl rm
seq_oss_legacy.h	360	0644	edit dl rm
seq_virmidi.h	2123	0644	edit dl rm
sh_dac_audio.h	441	0644	edit dl rm
sh_fsi.h	693	0644	edit dl rm
simple_card.h	529	0644	edit dl rm
simple_card_utils.h	8351	0644	edit dl rm
snd_wavefront.h	5620	0644	edit dl rm
soc-acpi-intel-match.h	2074	0644	edit dl rm
soc-acpi.h	5637	0644	edit dl rm
soc-card.h	2944	0644	edit dl rm
soc-component.h	19387	0644	edit dl rm
soc-dai.h	19957	0644	edit dl rm
soc-dapm.h	32957	0644	edit dl rm
soc-dpcm.h	5523	0644	edit dl rm
soc-jack.h	3822	0644	edit dl rm
soc-link.h	1172	0644	edit dl rm
soc-topology.h	5835	0644	edit dl rm
soc.h	47899	0644	edit dl rm
sof.h	2596	0644	edit dl rm
soundfont.h	3903	0644	edit dl rm
spear_dma.h	350	0644	edit dl rm
spear_spdif.h	345	0644	edit dl rm
sta32x.h	1015	0644	edit dl rm
sta350.h	1474	0644	edit dl rm
tas2552-plat.h	283	0644	edit dl rm
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tea6330t.h	468	0644	edit dl rm
timer.h	5109	0644	edit dl rm
tlv.h	1627	0644	edit dl rm
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tlv320aic32x4.h	1320	0644	edit dl rm
tlv320dac33-plat.h	574	0644	edit dl rm
tpa6130a2-plat.h	291	0644	edit dl rm
uda134x.h	451	0644	edit dl rm
uda1380.h	335	0644	edit dl rm
util_mem.h	1623	0644	edit dl rm
vx_core.h	15055	0644	edit dl rm
wavefront.h	18518	0644	edit dl rm
wm0010.h	466	0644	edit dl rm
wm1250-ev1.h	510	0644	edit dl rm
wm2000.h	479	0644	edit dl rm
wm2200.h	1353	0644	edit dl rm
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wm9081.h	515	0644	edit dl rm
wm9090.h	634	0644	edit dl rm
wss.h	7949	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/include/sound/emux_synth.h (6948B)

/* 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 */

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