FM / sound

/usr/src/linux-headers-5.15.0-190/include/sound/

/usr/src/linux-headers-5.15.0-190/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
ad1843.h	1516	0644	edit dl rm
adau1373.h	706	0644	edit dl rm
ak4xxx-adda.h	2724	0644	edit dl rm
ak4113.h	10461	0644	edit dl rm
ak4114.h	9773	0644	edit dl rm
ak4117.h	8542	0644	edit dl rm
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
cs35l33.h	888	0644	edit dl rm
cs35l34.h	741	0644	edit dl rm
cs35l35.h	2267	0644	edit dl rm
cs35l36.h	772	0644	edit dl rm
cs35l41.h	30889	0644	edit dl rm
cs42l42.h	35149	0644	edit dl rm
cs42l52.h	592	0644	edit dl rm
cs42l56.h	1046	0644	edit dl rm
cs42l73.h	361	0644	edit dl rm
cs4231-regs.h	7785	0644	edit dl rm
cs4271.h	961	0644	edit dl rm
cs8403.h	8138	0644	edit dl rm
cs8427.h	9954	0644	edit dl rm
da7213.h	1032	0644	edit dl rm
da7218.h	2468	0644	edit dl rm
da7219-aad.h	2263	0644	edit dl rm
da7219.h	998	0644	edit dl rm
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
max98090.h	534	0644	edit dl rm
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
rt298.h	373	0644	edit dl rm
rt1015.h	283	0644	edit dl rm
rt5514.h	399	0644	edit dl rm
rt5659.h	880	0644	edit dl rm
rt5660.h	578	0644	edit dl rm
rt5663.h	476	0644	edit dl rm
rt5665.h	761	0644	edit dl rm
rt5668.h	646	0644	edit dl rm
rt5682.h	901	0644	edit dl rm
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	47919	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
tas5086.h	210	0644	edit dl rm
tea6330t.h	468	0644	edit dl rm
timer.h	5109	0644	edit dl rm
tlv.h	1627	0644	edit dl rm
tlv320aic3x.h	1777	0644	edit dl rm
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
wm5100.h	1129	0644	edit dl rm
wm8903.h	15377	0644	edit dl rm
wm8904.h	7389	0644	edit dl rm
wm8955.h	442	0644	edit dl rm
wm8960.h	888	0644	edit dl rm
wm8962.h	1694	0644	edit dl rm
wm8993.h	1076	0644	edit dl rm
wm8996.h	1289	0644	edit dl rm
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-5.15.0-190/include/sound/rawmidi.h (5881B)

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

/*
 *  Abstract layer for MIDI v1.0 stream
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 */

#include <sound/asound.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
#include <linux/mutex.h>
#include <linux/workqueue.h>
#include <linux/device.h>

#if IS_ENABLED(CONFIG_SND_SEQUENCER)
#include <sound/seq_device.h>
#endif

/*
 *  Raw MIDI interface
 */

#define SNDRV_RAWMIDI_DEVICES		8

#define SNDRV_RAWMIDI_LFLG_OUTPUT	(1<<0)
#define SNDRV_RAWMIDI_LFLG_INPUT	(1<<1)
#define SNDRV_RAWMIDI_LFLG_OPEN		(3<<0)
#define SNDRV_RAWMIDI_LFLG_APPEND	(1<<2)

struct snd_rawmidi;
struct snd_rawmidi_substream;
struct snd_seq_port_info;
struct pid;

struct snd_rawmidi_ops {
	int (*open) (struct snd_rawmidi_substream * substream);
	int (*close) (struct snd_rawmidi_substream * substream);
	void (*trigger) (struct snd_rawmidi_substream * substream, int up);
	void (*drain) (struct snd_rawmidi_substream * substream);
};

struct snd_rawmidi_global_ops {
	int (*dev_register) (struct snd_rawmidi * rmidi);
	int (*dev_unregister) (struct snd_rawmidi * rmidi);
	void (*get_port_info)(struct snd_rawmidi *rmidi, int number,
			      struct snd_seq_port_info *info);
};

struct snd_rawmidi_runtime {
	struct snd_rawmidi_substream *substream;
	unsigned int drain: 1,	/* drain stage */
		     oss: 1;	/* OSS compatible mode */
	/* midi stream buffer */
	unsigned char *buffer;	/* buffer for MIDI data */
	size_t buffer_size;	/* size of buffer */
	size_t appl_ptr;	/* application pointer */
	size_t hw_ptr;		/* hardware pointer */
	size_t avail_min;	/* min avail for wakeup */
	size_t avail;		/* max used buffer for wakeup */
	size_t xruns;		/* over/underruns counter */
	int buffer_ref;		/* buffer reference count */
	/* misc */
	spinlock_t lock;
	wait_queue_head_t sleep;
	/* event handler (new bytes, input only) */
	void (*event)(struct snd_rawmidi_substream *substream);
	/* defers calls to event [input] or ops->trigger [output] */
	struct work_struct event_work;
	/* private data */
	void *private_data;
	void (*private_free)(struct snd_rawmidi_substream *substream);
};

struct snd_rawmidi_substream {
	struct list_head list;		/* list of all substream for given stream */
	int stream;			/* direction */
	int number;			/* substream number */
	bool opened;			/* open flag */
	bool append;			/* append flag (merge more streams) */
	bool active_sensing;		/* send active sensing when close */
	unsigned int framing;		/* whether to frame input data */
	unsigned int clock_type;	/* clock source to use for input framing */
	int use_count;			/* use counter (for output) */
	size_t bytes;
	struct snd_rawmidi *rmidi;
	struct snd_rawmidi_str *pstr;
	char name[32];
	struct snd_rawmidi_runtime *runtime;
	struct pid *pid;
	/* hardware layer */
	const struct snd_rawmidi_ops *ops;
};

struct snd_rawmidi_file {
	struct snd_rawmidi *rmidi;
	struct snd_rawmidi_substream *input;
	struct snd_rawmidi_substream *output;
	unsigned int user_pversion;	/* supported protocol version */
};

struct snd_rawmidi_str {
	unsigned int substream_count;
	unsigned int substream_opened;
	struct list_head substreams;
};

struct snd_rawmidi {
	struct snd_card *card;
	struct list_head list;
	unsigned int device;		/* device number */
	unsigned int info_flags;	/* SNDRV_RAWMIDI_INFO_XXXX */
	char id[64];
	char name[80];

#ifdef CONFIG_SND_OSSEMUL
	int ossreg;
#endif

const struct snd_rawmidi_global_ops *ops;

struct snd_rawmidi_str streams[2];

void *private_data;
	void (*private_free) (struct snd_rawmidi *rmidi);

struct mutex open_mutex;
	wait_queue_head_t open_wait;

struct device dev;

struct snd_info_entry *proc_entry;

#if IS_ENABLED(CONFIG_SND_SEQUENCER)
	struct snd_seq_device *seq_dev;
#endif
};

/* main rawmidi functions */

int snd_rawmidi_new(struct snd_card *card, char *id, int device,
		    int output_count, int input_count,
		    struct snd_rawmidi **rmidi);
void snd_rawmidi_set_ops(struct snd_rawmidi *rmidi, int stream,
			 const struct snd_rawmidi_ops *ops);

/* callbacks */

int snd_rawmidi_receive(struct snd_rawmidi_substream *substream,
			const unsigned char *buffer, int count);
int snd_rawmidi_transmit_empty(struct snd_rawmidi_substream *substream);
int snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream,
			      unsigned char *buffer, int count);
int snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count);
int snd_rawmidi_transmit(struct snd_rawmidi_substream *substream,
			 unsigned char *buffer, int count);
int __snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream,
			      unsigned char *buffer, int count);
int __snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream,
			       int count);
int snd_rawmidi_proceed(struct snd_rawmidi_substream *substream);

/* main midi functions */

int snd_rawmidi_info_select(struct snd_card *card, struct snd_rawmidi_info *info);
int snd_rawmidi_kernel_open(struct snd_card *card, int device, int subdevice,
			    int mode, struct snd_rawmidi_file *rfile);
int snd_rawmidi_kernel_release(struct snd_rawmidi_file *rfile);
int snd_rawmidi_output_params(struct snd_rawmidi_substream *substream,
			      struct snd_rawmidi_params *params);
int snd_rawmidi_input_params(struct snd_rawmidi_substream *substream,
			     struct snd_rawmidi_params *params);
int snd_rawmidi_drop_output(struct snd_rawmidi_substream *substream);
int snd_rawmidi_drain_output(struct snd_rawmidi_substream *substream);
int snd_rawmidi_drain_input(struct snd_rawmidi_substream *substream);
long snd_rawmidi_kernel_read(struct snd_rawmidi_substream *substream,
			     unsigned char *buf, long count);
long snd_rawmidi_kernel_write(struct snd_rawmidi_substream *substream,
			      const unsigned char *buf, long count);

#endif /* __SOUND_RAWMIDI_H */

cmd: