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Name	Size	Permission	Date
ac97	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
sof	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
ac97_codec.h	15.8 KB	-rw-r--r--	2024-03-10 20:38
aci.h	2.4 KB	-rw-r--r--	2024-03-10 20:38
acp63_chip_offset_byte.h	29.75 KB	-rw-r--r--	2024-03-10 20:38
ad1816a.h	4.73 KB	-rw-r--r--	2024-03-10 20:38
ad1843.h	1.48 KB	-rw-r--r--	2024-03-10 20:38
adau1373.h	706 B	-rw-r--r--	2024-03-10 20:38
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ak4117.h	8.34 KB	-rw-r--r--	2024-03-10 20:38
ak4531_codec.h	2.42 KB	-rw-r--r--	2024-03-10 20:38
ak4641.h	476 B	-rw-r--r--	2024-03-10 20:38
ak4xxx-adda.h	2.66 KB	-rw-r--r--	2024-03-10 20:38
alc5623.h	536 B	-rw-r--r--	2024-03-10 20:38
asequencer.h	3.06 KB	-rw-r--r--	2024-03-10 20:38
asound.h	590 B	-rw-r--r--	2024-03-10 20:38
asoundef.h	16.02 KB	-rw-r--r--	2024-03-10 20:38
compress_driver.h	7.8 KB	-rw-r--r--	2024-03-10 20:38
control.h	10.73 KB	-rw-r--r--	2024-03-10 20:38
core.h	15.78 KB	-rw-r--r--	2024-03-10 20:38
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designware_i2s.h	1.66 KB	-rw-r--r--	2024-03-10 20:38
dmaengine_pcm.h	6.7 KB	-rw-r--r--	2026-05-26 09:55
emu10k1.h	93.94 KB	-rw-r--r--	2026-05-26 09:55
emu10k1_synth.h	693 B	-rw-r--r--	2024-03-10 20:38
emu8000.h	3.25 KB	-rw-r--r--	2024-03-10 20:38
emu8000_reg.h	9.54 KB	-rw-r--r--	2024-03-10 20:38
emux_legacy.h	4.7 KB	-rw-r--r--	2024-03-10 20:38
emux_synth.h	6.78 KB	-rw-r--r--	2024-03-10 20:38
es1688.h	2.85 KB	-rw-r--r--	2024-03-10 20:38
graph_card.h	1.04 KB	-rw-r--r--	2024-03-10 20:38
gus.h	19.65 KB	-rw-r--r--	2024-03-10 20:38
hda-mlink.h	6.13 KB	-rw-r--r--	2024-03-10 20:38
hda_chmap.h	2.6 KB	-rw-r--r--	2024-03-10 20:38
hda_codec.h	17.75 KB	-rw-r--r--	2026-05-26 09:55
hda_component.h	2.04 KB	-rw-r--r--	2024-03-10 20:38
hda_hwdep.h	736 B	-rw-r--r--	2024-03-10 20:38
hda_i915.h	589 B	-rw-r--r--	2024-03-10 20:38
hda_register.h	11.93 KB	-rw-r--r--	2024-03-10 20:38
hda_regmap.h	6.77 KB	-rw-r--r--	2024-03-10 20:38
hda_verbs.h	16.88 KB	-rw-r--r--	2024-03-10 20:38
hdaudio.h	24.4 KB	-rw-r--r--	2024-03-10 20:38
hdaudio_ext.h	4.59 KB	-rw-r--r--	2026-05-26 09:55
hdmi-codec.h	3.04 KB	-rw-r--r--	2024-03-10 20:38
hwdep.h	1.88 KB	-rw-r--r--	2024-03-10 20:38
i2c.h	2.79 KB	-rw-r--r--	2024-03-10 20:38
info.h	7.75 KB	-rw-r--r--	2024-03-10 20:38
initval.h	2.43 KB	-rw-r--r--	2024-03-10 20:38
intel-dsp-config.h	896 B	-rw-r--r--	2024-03-10 20:38
intel-nhlt.h	3.75 KB	-rw-r--r--	2024-03-10 20:38
jack.h	3.1 KB	-rw-r--r--	2024-03-10 20:38
madera-pdata.h	1.95 KB	-rw-r--r--	2024-03-10 20:38
max9768.h	544 B	-rw-r--r--	2024-03-10 20:38
max98088.h	1.05 KB	-rw-r--r--	2024-03-10 20:38
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max98095.h	1.33 KB	-rw-r--r--	2024-03-10 20:38
memalloc.h	3.79 KB	-rw-r--r--	2024-03-10 20:38
minors.h	3.65 KB	-rw-r--r--	2024-03-10 20:38
mixer_oss.h	1.73 KB	-rw-r--r--	2024-03-10 20:38
mpu401.h	3.81 KB	-rw-r--r--	2024-03-10 20:38
omap-hdmi-audio.h	971 B	-rw-r--r--	2024-03-10 20:38
opl3.h	11.62 KB	-rw-r--r--	2024-03-10 20:38
opl4.h	459 B	-rw-r--r--	2024-03-10 20:38
pcm-indirect.h	5.18 KB	-rw-r--r--	2024-03-10 20:38
pcm.h	54.31 KB	-rw-r--r--	2026-05-26 09:55
pcm_drm_eld.h	183 B	-rw-r--r--	2024-03-10 20:38
pcm_iec958.h	597 B	-rw-r--r--	2024-03-10 20:38
pcm_oss.h	2.01 KB	-rw-r--r--	2024-03-10 20:38
pcm_params.h	8.72 KB	-rw-r--r--	2024-03-10 20:38
pt2258.h	513 B	-rw-r--r--	2024-03-10 20:38
pxa2xx-lib.h	2.25 KB	-rw-r--r--	2024-03-10 20:38
rawmidi.h	6.01 KB	-rw-r--r--	2024-03-10 20:38
rt1015.h	283 B	-rw-r--r--	2024-03-10 20:38
rt286.h	314 B	-rw-r--r--	2024-03-10 20:38
rt298.h	373 B	-rw-r--r--	2024-03-10 20:38
rt5514.h	399 B	-rw-r--r--	2024-03-10 20:38
rt5659.h	880 B	-rw-r--r--	2024-03-10 20:38
rt5660.h	578 B	-rw-r--r--	2024-03-10 20:38
rt5663.h	476 B	-rw-r--r--	2024-03-10 20:38
rt5665.h	723 B	-rw-r--r--	2024-03-10 20:38
rt5668.h	607 B	-rw-r--r--	2024-03-10 20:38
rt5682.h	862 B	-rw-r--r--	2024-03-10 20:38
rt5682s.h	1.01 KB	-rw-r--r--	2024-03-10 20:38
sb.h	10.3 KB	-rw-r--r--	2024-03-10 20:38
sb16_csp.h	2.05 KB	-rw-r--r--	2024-03-10 20:38
sdw.h	1.63 KB	-rw-r--r--	2024-03-10 20:38
seq_device.h	2.16 KB	-rw-r--r--	2024-03-10 20:38
seq_kernel.h	3.66 KB	-rw-r--r--	2024-03-10 20:38
seq_midi_emul.h	6.6 KB	-rw-r--r--	2024-03-10 20:38
seq_midi_event.h	1.32 KB	-rw-r--r--	2024-03-10 20:38
seq_oss.h	2.21 KB	-rw-r--r--	2024-03-10 20:38
seq_oss_legacy.h	360 B	-rw-r--r--	2024-03-10 20:38
seq_virmidi.h	2.07 KB	-rw-r--r--	2024-03-10 20:38
sh_dac_audio.h	441 B	-rw-r--r--	2024-03-10 20:38
sh_fsi.h	693 B	-rw-r--r--	2024-03-10 20:38
simple_card.h	524 B	-rw-r--r--	2024-03-10 20:38
simple_card_utils.h	8.69 KB	-rw-r--r--	2024-03-10 20:38
snd_wavefront.h	5.49 KB	-rw-r--r--	2026-05-26 09:55
soc-acpi-intel-match.h	2.5 KB	-rw-r--r--	2024-03-10 20:38
soc-acpi.h	7.01 KB	-rw-r--r--	2024-03-10 20:38
soc-card.h	3.56 KB	-rw-r--r--	2024-03-10 20:38
soc-component.h	20.11 KB	-rw-r--r--	2024-03-10 20:38
soc-dai.h	20.75 KB	-rw-r--r--	2024-03-10 20:38
soc-dapm.h	33.45 KB	-rw-r--r--	2024-03-10 20:38
soc-dpcm.h	5.56 KB	-rw-r--r--	2024-03-10 20:38
soc-jack.h	3.73 KB	-rw-r--r--	2024-03-10 20:38
soc-link.h	1.14 KB	-rw-r--r--	2024-03-10 20:38
soc-topology.h	5.74 KB	-rw-r--r--	2024-03-10 20:38
soc.h	53.84 KB	-rw-r--r--	2026-05-26 09:55
sof.h	4.54 KB	-rw-r--r--	2024-03-10 20:38
soundfont.h	3.81 KB	-rw-r--r--	2024-03-10 20:38
spear_dma.h	350 B	-rw-r--r--	2024-03-10 20:38
spear_spdif.h	345 B	-rw-r--r--	2024-03-10 20:38
sta32x.h	1015 B	-rw-r--r--	2024-03-10 20:38
sta350.h	1.44 KB	-rw-r--r--	2024-03-10 20:38
tas2552-plat.h	283 B	-rw-r--r--	2024-03-10 20:38
tas2781-dsp.h	4.85 KB	-rw-r--r--	2026-05-26 09:55
tas2781-tlv.h	579 B	-rw-r--r--	2026-05-26 09:55
tas2781.h	5.27 KB	-rw-r--r--	2026-05-26 09:55
tas5086.h	210 B	-rw-r--r--	2024-03-10 20:38
tea6330t.h	468 B	-rw-r--r--	2024-03-10 20:38
timer.h	4.99 KB	-rw-r--r--	2024-03-10 20:38
tlv.h	1.59 KB	-rw-r--r--	2024-03-10 20:38
tlv320aic32x4.h	1.29 KB	-rw-r--r--	2024-03-10 20:38
tlv320dac33-plat.h	574 B	-rw-r--r--	2024-03-10 20:38
tpa6130a2-plat.h	291 B	-rw-r--r--	2024-03-10 20:38
uda1380.h	335 B	-rw-r--r--	2024-03-10 20:38
ump.h	8.14 KB	-rw-r--r--	2026-05-26 09:55
ump_convert.h	1.25 KB	-rw-r--r--	2026-05-26 09:55
ump_msg.h	13.81 KB	-rw-r--r--	2026-05-26 09:55
util_mem.h	1.58 KB	-rw-r--r--	2024-03-10 20:38
vx_core.h	14.7 KB	-rw-r--r--	2024-03-10 20:38
wavefront.h	16.32 KB	-rw-r--r--	2024-03-10 20:38
wm0010.h	321 B	-rw-r--r--	2024-03-10 20:38
wm2000.h	479 B	-rw-r--r--	2024-03-10 20:38
wm2200.h	1.21 KB	-rw-r--r--	2024-03-10 20:38
wm5100.h	935 B	-rw-r--r--	2024-03-10 20:38
wm8903.h	15.02 KB	-rw-r--r--	2024-03-10 20:38
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wss.h	7.76 KB	-rw-r--r--	2024-03-10 20:38

Rename

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Universal MIDI Packet (UMP) Support
 */
#ifndef __SOUND_UMP_H
#define __SOUND_UMP_H

#include <sound/rawmidi.h>

struct snd_ump_endpoint;
struct snd_ump_block;
struct snd_ump_ops;
struct ump_cvt_to_ump;
struct snd_seq_ump_ops;

struct snd_ump_group {
	int group;			/* group index (0-based) */
	unsigned int dir_bits;		/* directions */
	bool active;			/* activeness */
	bool valid;			/* valid group (referred by blocks) */
	char name[64];			/* group name */
};

struct snd_ump_endpoint {
	struct snd_rawmidi core;	/* raw UMP access */

struct snd_ump_endpoint_info info;

const struct snd_ump_ops *ops;	/* UMP ops set by the driver */
	struct snd_rawmidi_substream *substreams[2];	/* opened substreams */

void *private_data;
	void (*private_free)(struct snd_ump_endpoint *ump);

/* UMP Stream message processing */
	u32 stream_wait_for;	/* expected stream message status */
	bool stream_finished;	/* set when message has been processed */
	bool parsed;		/* UMP / FB parse finished? */
	bool no_process_stream;	/* suppress UMP stream messages handling */
	wait_queue_head_t stream_wait;
	struct snd_rawmidi_file stream_rfile;

struct list_head block_list;	/* list of snd_ump_block objects */

/* intermediate buffer for UMP input */
	u32 input_buf[4];
	int input_buf_head;
	int input_pending;

struct mutex open_mutex;

struct snd_ump_group groups[SNDRV_UMP_MAX_GROUPS]; /* table of groups */

#if IS_ENABLED(CONFIG_SND_UMP_LEGACY_RAWMIDI)
	spinlock_t legacy_locks[2];
	struct snd_rawmidi *legacy_rmidi;
	struct snd_rawmidi_substream *legacy_substreams[2][SNDRV_UMP_MAX_GROUPS];
	unsigned char legacy_mapping[SNDRV_UMP_MAX_GROUPS];

/* for legacy output; need to open the actual substream unlike input */
	int legacy_out_opens;
	struct snd_rawmidi_file legacy_out_rfile;
	struct ump_cvt_to_ump *out_cvts;
#endif

#if IS_ENABLED(CONFIG_SND_SEQUENCER)
	struct snd_seq_device *seq_dev;
	const struct snd_seq_ump_ops *seq_ops;
	void *seq_client;
#endif
};

/* ops filled by UMP drivers */
struct snd_ump_ops {
	int (*open)(struct snd_ump_endpoint *ump, int dir);
	void (*close)(struct snd_ump_endpoint *ump, int dir);
	void (*trigger)(struct snd_ump_endpoint *ump, int dir, int up);
	void (*drain)(struct snd_ump_endpoint *ump, int dir);
};

/* ops filled by sequencer binding */
struct snd_seq_ump_ops {
	void (*input_receive)(struct snd_ump_endpoint *ump,
			      const u32 *data, int words);
	int (*notify_fb_change)(struct snd_ump_endpoint *ump,
				struct snd_ump_block *fb);
	int (*switch_protocol)(struct snd_ump_endpoint *ump);
};

struct snd_ump_block {
	struct snd_ump_block_info info;
	struct snd_ump_endpoint *ump;

void *private_data;
	void (*private_free)(struct snd_ump_block *blk);

struct list_head list;
};

#define rawmidi_to_ump(rmidi)	container_of(rmidi, struct snd_ump_endpoint, core)

int snd_ump_endpoint_new(struct snd_card *card, char *id, int device,
			 int output, int input,
			 struct snd_ump_endpoint **ump_ret);
int snd_ump_parse_endpoint(struct snd_ump_endpoint *ump);
int snd_ump_block_new(struct snd_ump_endpoint *ump, unsigned int blk,
		      unsigned int direction, unsigned int first_group,
		      unsigned int num_groups, struct snd_ump_block **blk_ret);
int snd_ump_receive(struct snd_ump_endpoint *ump, const u32 *buffer, int count);
int snd_ump_transmit(struct snd_ump_endpoint *ump, u32 *buffer, int count);

#if IS_ENABLED(CONFIG_SND_UMP_LEGACY_RAWMIDI)
int snd_ump_attach_legacy_rawmidi(struct snd_ump_endpoint *ump,
				  char *id, int device);
#else
static inline int snd_ump_attach_legacy_rawmidi(struct snd_ump_endpoint *ump,
						char *id, int device)
{
	return 0;
}
#endif

int snd_ump_receive_ump_val(struct snd_ump_endpoint *ump, u32 val);
int snd_ump_switch_protocol(struct snd_ump_endpoint *ump, unsigned int protocol);
void snd_ump_update_group_attrs(struct snd_ump_endpoint *ump);

/*
 * Some definitions for UMP
 */

/* MIDI 2.0 Message Type */
enum {
	UMP_MSG_TYPE_UTILITY			= 0x00,
	UMP_MSG_TYPE_SYSTEM			= 0x01,
	UMP_MSG_TYPE_MIDI1_CHANNEL_VOICE	= 0x02,
	UMP_MSG_TYPE_DATA			= 0x03,
	UMP_MSG_TYPE_MIDI2_CHANNEL_VOICE	= 0x04,
	UMP_MSG_TYPE_EXTENDED_DATA		= 0x05,
	UMP_MSG_TYPE_FLEX_DATA			= 0x0d,
	UMP_MSG_TYPE_STREAM			= 0x0f,
};

/* MIDI 2.0 SysEx / Data Status; same values for both 7-bit and 8-bit SysEx */
enum {
	UMP_SYSEX_STATUS_SINGLE			= 0,
	UMP_SYSEX_STATUS_START			= 1,
	UMP_SYSEX_STATUS_CONTINUE		= 2,
	UMP_SYSEX_STATUS_END			= 3,
};

/* UMP Utility Type Status (type 0x0) */
enum {
	UMP_UTILITY_MSG_STATUS_NOOP		= 0x00,
	UMP_UTILITY_MSG_STATUS_JR_CLOCK		= 0x01,
	UMP_UTILITY_MSG_STATUS_JR_TSTAMP	= 0x02,
	UMP_UTILITY_MSG_STATUS_DCTPQ		= 0x03,
	UMP_UTILITY_MSG_STATUS_DC		= 0x04,
};

/* UMP Stream Message Status (type 0xf) */
enum {
	UMP_STREAM_MSG_STATUS_EP_DISCOVERY	= 0x00,
	UMP_STREAM_MSG_STATUS_EP_INFO		= 0x01,
	UMP_STREAM_MSG_STATUS_DEVICE_INFO	= 0x02,
	UMP_STREAM_MSG_STATUS_EP_NAME		= 0x03,
	UMP_STREAM_MSG_STATUS_PRODUCT_ID	= 0x04,
	UMP_STREAM_MSG_STATUS_STREAM_CFG_REQUEST = 0x05,
	UMP_STREAM_MSG_STATUS_STREAM_CFG	= 0x06,
	UMP_STREAM_MSG_STATUS_FB_DISCOVERY	= 0x10,
	UMP_STREAM_MSG_STATUS_FB_INFO		= 0x11,
	UMP_STREAM_MSG_STATUS_FB_NAME		= 0x12,
	UMP_STREAM_MSG_STATUS_START_CLIP	= 0x20,
	UMP_STREAM_MSG_STATUS_END_CLIP		= 0x21,
};

/* UMP Endpoint Discovery filter bitmap */
enum {
	UMP_STREAM_MSG_REQUEST_EP_INFO		= (1U << 0),
	UMP_STREAM_MSG_REQUEST_DEVICE_INFO	= (1U << 1),
	UMP_STREAM_MSG_REQUEST_EP_NAME		= (1U << 2),
	UMP_STREAM_MSG_REQUEST_PRODUCT_ID	= (1U << 3),
	UMP_STREAM_MSG_REQUEST_STREAM_CFG	= (1U << 4),
};

/* UMP Function Block Discovery filter bitmap */
enum {
	UMP_STREAM_MSG_REQUEST_FB_INFO		= (1U << 0),
	UMP_STREAM_MSG_REQUEST_FB_NAME		= (1U << 1),
};

/* UMP Endpoint Info capability bits (used for protocol request/notify, too) */
enum {
	UMP_STREAM_MSG_EP_INFO_CAP_TXJR		= (1U << 0), /* Sending JRTS */
	UMP_STREAM_MSG_EP_INFO_CAP_RXJR		= (1U << 1), /* Receiving JRTS */
	UMP_STREAM_MSG_EP_INFO_CAP_MIDI1	= (1U << 8), /* MIDI 1.0 */
	UMP_STREAM_MSG_EP_INFO_CAP_MIDI2	= (1U << 9), /* MIDI 2.0 */
};

/* UMP EP / FB name string format; same as SysEx string handling */
enum {
	UMP_STREAM_MSG_FORMAT_SINGLE		= 0,
	UMP_STREAM_MSG_FORMAT_START		= 1,
	UMP_STREAM_MSG_FORMAT_CONTINUE		= 2,
	UMP_STREAM_MSG_FORMAT_END		= 3,
};

/*
 * Helpers for retrieving / filling bits from UMP
 */
/* get the message type (4bit) from a UMP packet (header) */
static inline unsigned char ump_message_type(u32 data)
{
	return data >> 28;
}

/* get the group number (0-based, 4bit) from a UMP packet (header) */
static inline unsigned char ump_message_group(u32 data)
{
	return (data >> 24) & 0x0f;
}

/* get the MIDI status code (4bit) from a UMP packet (header) */
static inline unsigned char ump_message_status_code(u32 data)
{
	return (data >> 20) & 0x0f;
}

/* get the MIDI channel number (0-based, 4bit) from a UMP packet (header) */
static inline unsigned char ump_message_channel(u32 data)
{
	return (data >> 16) & 0x0f;
}

/* get the MIDI status + channel combo byte (8bit) from a UMP packet (header) */
static inline unsigned char ump_message_status_channel(u32 data)
{
	return (data >> 16) & 0xff;
}

/* compose a UMP packet (header) from type, group and status values */
static inline u32 ump_compose(unsigned char type, unsigned char group,
			      unsigned char status, unsigned char channel)
{
	return ((u32)type << 28) | ((u32)group << 24) | ((u32)status << 20) |
		((u32)channel << 16);
}

/* get SysEx message status (for both 7 and 8bits) from a UMP packet (header) */
static inline unsigned char ump_sysex_message_status(u32 data)
{
	return (data >> 20) & 0xf;
}

/* get SysEx message length (for both 7 and 8bits) from a UMP packet (header) */
static inline unsigned char ump_sysex_message_length(u32 data)
{
	return (data >> 16) & 0xf;
}

/* For Stream Messages */
static inline unsigned char ump_stream_message_format(u32 data)
{
	return (data >> 26) & 0x03;
}

static inline unsigned int ump_stream_message_status(u32 data)
{
	return (data >> 16) & 0x3ff;
}

static inline u32 ump_stream_compose(unsigned char status, unsigned short form)
{
	return (UMP_MSG_TYPE_STREAM << 28) | ((u32)form << 26) |
		((u32)status << 16);
}

#define ump_is_groupless_msg(type) \
	((type) == UMP_MSG_TYPE_UTILITY || (type) == UMP_MSG_TYPE_STREAM)

#endif /* __SOUND_UMP_H */