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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
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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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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
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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
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rt5514.h	399 B	-rw-r--r--	2024-03-10 20:38
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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
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wss.h	7.76 KB	-rw-r--r--	2024-03-10 20:38

Rename

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * HD-audio regmap helpers
 */

#ifndef __SOUND_HDA_REGMAP_H
#define __SOUND_HDA_REGMAP_H

#include <linux/regmap.h>
#include <sound/core.h>
#include <sound/hdaudio.h>

#define AC_AMP_FAKE_MUTE	0x10	/* fake mute bit set to amp verbs */

int snd_hdac_regmap_init(struct hdac_device *codec);
void snd_hdac_regmap_exit(struct hdac_device *codec);
int snd_hdac_regmap_add_vendor_verb(struct hdac_device *codec,
				    unsigned int verb);
int snd_hdac_regmap_read_raw(struct hdac_device *codec, unsigned int reg,
			     unsigned int *val);
int snd_hdac_regmap_read_raw_uncached(struct hdac_device *codec,
				      unsigned int reg, unsigned int *val);
int snd_hdac_regmap_write_raw(struct hdac_device *codec, unsigned int reg,
			      unsigned int val);
int snd_hdac_regmap_update_raw(struct hdac_device *codec, unsigned int reg,
			       unsigned int mask, unsigned int val);
int snd_hdac_regmap_update_raw_once(struct hdac_device *codec, unsigned int reg,
				    unsigned int mask, unsigned int val);
void snd_hdac_regmap_sync(struct hdac_device *codec);

/**
 * snd_hdac_regmap_encode_verb - encode the verb to a pseudo register
 * @nid: widget NID
 * @verb: codec verb
 *
 * Returns an encoded pseudo register.
 */
#define snd_hdac_regmap_encode_verb(nid, verb)		\
	(((verb) << 8) | 0x80000 | ((unsigned int)(nid) << 20))

/**
 * snd_hdac_regmap_encode_amp - encode the AMP verb to a pseudo register
 * @nid: widget NID
 * @ch: channel (left = 0, right = 1)
 * @dir: direction (#HDA_INPUT, #HDA_OUTPUT)
 * @idx: input index value
 *
 * Returns an encoded pseudo register.
 */
#define snd_hdac_regmap_encode_amp(nid, ch, dir, idx)			\
	(snd_hdac_regmap_encode_verb(nid, AC_VERB_GET_AMP_GAIN_MUTE) |	\
	 ((ch) ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT) |			\
	 ((dir) == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT) | \
	 (idx))

/**
 * snd_hdac_regmap_encode_amp_stereo - encode a pseudo register for stereo AMPs
 * @nid: widget NID
 * @dir: direction (#HDA_INPUT, #HDA_OUTPUT)
 * @idx: input index value
 *
 * Returns an encoded pseudo register.
 */
#define snd_hdac_regmap_encode_amp_stereo(nid, dir, idx)		\
	(snd_hdac_regmap_encode_verb(nid, AC_VERB_GET_AMP_GAIN_MUTE) |	\
	 AC_AMP_SET_LEFT | AC_AMP_SET_RIGHT | /* both bits set! */	\
	 ((dir) == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT) | \
	 (idx))

/**
 * snd_hdac_regmap_write - Write a verb with caching
 * @nid: codec NID
 * @reg: verb to write
 * @val: value to write
 *
 * For writing an amp value, use snd_hdac_regmap_update_amp().
 */
static inline int
snd_hdac_regmap_write(struct hdac_device *codec, hda_nid_t nid,
		      unsigned int verb, unsigned int val)
{
	unsigned int cmd = snd_hdac_regmap_encode_verb(nid, verb);

return snd_hdac_regmap_write_raw(codec, cmd, val);
}

/**
 * snd_hda_regmap_update - Update a verb value with caching
 * @nid: codec NID
 * @verb: verb to update
 * @mask: bit mask to update
 * @val: value to update
 *
 * For updating an amp value, use snd_hdac_regmap_update_amp().
 */
static inline int
snd_hdac_regmap_update(struct hdac_device *codec, hda_nid_t nid,
		       unsigned int verb, unsigned int mask,
		       unsigned int val)
{
	unsigned int cmd = snd_hdac_regmap_encode_verb(nid, verb);

return snd_hdac_regmap_update_raw(codec, cmd, mask, val);
}

/**
 * snd_hda_regmap_read - Read a verb with caching
 * @nid: codec NID
 * @verb: verb to read
 * @val: pointer to store the value
 *
 * For reading an amp value, use snd_hda_regmap_get_amp().
 */
static inline int
snd_hdac_regmap_read(struct hdac_device *codec, hda_nid_t nid,
		     unsigned int verb, unsigned int *val)
{
	unsigned int cmd = snd_hdac_regmap_encode_verb(nid, verb);

return snd_hdac_regmap_read_raw(codec, cmd, val);
}

/**
 * snd_hdac_regmap_get_amp - Read AMP value
 * @codec: HD-audio codec
 * @nid: NID to read the AMP value
 * @ch: channel (left=0 or right=1)
 * @direction: #HDA_INPUT or #HDA_OUTPUT
 * @index: the index value (only for input direction)
 * @val: the pointer to store the value
 *
 * Read AMP value.  The volume is between 0 to 0x7f, 0x80 = mute bit.
 * Returns the value or a negative error.
 */
static inline int
snd_hdac_regmap_get_amp(struct hdac_device *codec, hda_nid_t nid,
			int ch, int dir, int idx)
{
	unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
	int err, val;

err = snd_hdac_regmap_read_raw(codec, cmd, &val);
	return err < 0 ? err : val;
}

/**
 * snd_hdac_regmap_update_amp - update the AMP value
 * @codec: HD-audio codec
 * @nid: NID to read the AMP value
 * @ch: channel (left=0 or right=1)
 * @direction: #HDA_INPUT or #HDA_OUTPUT
 * @idx: the index value (only for input direction)
 * @mask: bit mask to set
 * @val: the bits value to set
 *
 * Update the AMP value with a bit mask.
 * Returns 0 if the value is unchanged, 1 if changed, or a negative error.
 */
static inline int
snd_hdac_regmap_update_amp(struct hdac_device *codec, hda_nid_t nid,
			   int ch, int dir, int idx, int mask, int val)
{
	unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);

return snd_hdac_regmap_update_raw(codec, cmd, mask, val);
}

/**
 * snd_hdac_regmap_get_amp_stereo - Read stereo AMP values
 * @codec: HD-audio codec
 * @nid: NID to read the AMP value
 * @ch: channel (left=0 or right=1)
 * @direction: #HDA_INPUT or #HDA_OUTPUT
 * @index: the index value (only for input direction)
 * @val: the pointer to store the value
 *
 * Read stereo AMP values.  The lower byte is left, the upper byte is right.
 * Returns the value or a negative error.
 */
static inline int
snd_hdac_regmap_get_amp_stereo(struct hdac_device *codec, hda_nid_t nid,
			       int dir, int idx)
{
	unsigned int cmd = snd_hdac_regmap_encode_amp_stereo(nid, dir, idx);
	int err, val;

err = snd_hdac_regmap_read_raw(codec, cmd, &val);
	return err < 0 ? err : val;
}

/**
 * snd_hdac_regmap_update_amp_stereo - update the stereo AMP value
 * @codec: HD-audio codec
 * @nid: NID to read the AMP value
 * @direction: #HDA_INPUT or #HDA_OUTPUT
 * @idx: the index value (only for input direction)
 * @mask: bit mask to set
 * @val: the bits value to set
 *
 * Update the stereo AMP value with a bit mask.
 * The lower byte is left, the upper byte is right.
 * Returns 0 if the value is unchanged, 1 if changed, or a negative error.
 */
static inline int
snd_hdac_regmap_update_amp_stereo(struct hdac_device *codec, hda_nid_t nid,
				  int dir, int idx, int mask, int val)
{
	unsigned int cmd = snd_hdac_regmap_encode_amp_stereo(nid, dir, idx);

return snd_hdac_regmap_update_raw(codec, cmd, mask, val);
}

/**
 * snd_hdac_regmap_sync_node - sync the widget node attributes
 * @codec: HD-audio codec
 * @nid: NID to sync
 */
static inline void
snd_hdac_regmap_sync_node(struct hdac_device *codec, hda_nid_t nid)
{
	regcache_mark_dirty(codec->regmap);
	regcache_sync_region(codec->regmap, nid << 20, ((nid + 1) << 20) - 1);
}

#endif /* __SOUND_HDA_REGMAP_H */