ASoC: codecs: ES8389: Add private members about HPF

Add private members related to HPF.
Add Kcontrol for HPF

Signed-off-by: Zhang Yi <zhangyi@everest-semi.com>
Link: https://patch.msgid.link/20260630072311.8427-6-zhangyi@everest-semi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Zhang Yi 2026-06-30 15:23:10 +08:00 committed by Mark Brown
parent 3bea836903
commit 87592da1a4
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 123 additions and 2 deletions

View File

@ -36,6 +36,10 @@ struct es8389_private {
unsigned int sysclk;
int mastermode;
u8 hpfl;
u8 hpfr;
u32 hpf_freq;
u32 capture_rate;
u8 mclk_src;
u8 vddd;
int version;
@ -82,6 +86,92 @@ static const DECLARE_TLV_DB_SCALE(mix_vol_tlv, -9500, 100, 0);
static const DECLARE_TLV_DB_SCALE(alc_target_tlv, -3200, 200, 0);
static const DECLARE_TLV_DB_SCALE(alc_max_level, -3200, 200, 0);
static const u32 hpf_table[10][10] = {
{1020, 754, 624, 559, 527, 511, 502, 498, 497, 496},
{754, 495, 368, 306, 274, 259, 251, 247, 246, 244},
{624, 368, 243, 182, 151, 136, 128, 124, 123, 121},
{559, 306, 182, 120, 90, 75, 68, 63, 62, 60},
{527, 274, 151, 90, 60, 45, 38, 33, 32, 31},
{511, 259, 136, 75, 45, 30, 23, 19, 18, 17},
{502, 251, 128, 68, 38, 23, 16, 13, 11, 11},
{498, 247, 124, 63, 33, 19, 13, 10, 8, 8},
{497, 246, 123, 62, 32, 18, 11, 8, 8, 0},
{496, 244, 121, 60, 31, 17, 11, 8, 0, 0}
};
static bool find_best_hpf_freq(u32 target_hz, u8 *hpf1, u8 *hpf2, u32 *out)
{
int best_row = -1, best_col = -1;
u32 min_diff = U32_MAX;
u32 f, diff;
int i, j;
if ((target_hz > 1020) | (target_hz < 0))
return false;
for (i = 0; i < 10; i++) {
for (j = i; j < 10; j++) {
f = hpf_table[i][j];
diff = (target_hz > f) ? (target_hz - f) : (f - target_hz);
if (diff < min_diff) {
min_diff = diff;
best_row = i;
best_col = j;
*out = f;
}
}
}
*hpf1 = best_col + ES8389_HPF_OFFSET;
*hpf2 = best_row + ES8389_HPF_OFFSET;
return true;
}
static int es8389_hpf_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct es8389_private *es8389 = snd_soc_component_get_drvdata(component);
ucontrol->value.integer.value[0] = es8389->hpf_freq;
return 0;
}
static int es8389_hpf_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct es8389_private *es8389 = snd_soc_component_get_drvdata(component);
u32 freq;
bool hpf;
if (es8389->hpf_freq == ucontrol->value.integer.value[0])
return 0;
if (es8389->capture_rate) {
freq = (ucontrol->value.integer.value[0] * 48000) / es8389->capture_rate;
hpf = find_best_hpf_freq(freq, &es8389->hpfl, &es8389->hpfr, &es8389->hpf_freq);
if (!hpf)
return -EBUSY;
if (es8389->hpf_freq != ucontrol->value.integer.value[0])
dev_dbg(component->dev, "At the %u Hz sampling rate, %ld Hz could not be obtained."
"the frequency has been set to the closest value, %u Hz\n",
es8389->capture_rate, ucontrol->value.integer.value[0], es8389->hpf_freq);
regmap_update_bits(es8389->regmap, ES8389_ADC_HPF1, 0x0f, es8389->hpfl);
regmap_update_bits(es8389->regmap, ES8389_ADC_HPF2, 0x0f, es8389->hpfr);
} else {
es8389->hpf_freq = ucontrol->value.integer.value[0];
dev_dbg(component->dev, "PCM_STREAM_CAPTURE is not active.retain the input frequency\n");
}
return 1;
}
static int es8389_dmic_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
@ -259,6 +349,8 @@ static const struct snd_kcontrol_new es8389_snd_controls[] = {
SOC_DOUBLE("ADC OSR Volume ON Switch", ES8389_ADC_MUTE, 6, 7, 1, 0),
SOC_SINGLE_TLV("ADC OSR Volume", ES8389_OSR_VOL, 0, 0xFF, 0, adc_vol_tlv),
SOC_DOUBLE("ADC OUTPUT Invert Switch", ES8389_ADC_HPF2, 5, 6, 1, 0),
SOC_SINGLE_EXT("ADC HPF Freq Select", SND_SOC_NOPM, 0, 1020, 0,
es8389_hpf_get, es8389_hpf_set),
SOC_SINGLE_TLV("DACL Playback Volume", ES8389_DACL_VOL, 0, 0xFF, 0, dac_vol_tlv),
SOC_SINGLE_TLV("DACR Playback Volume", ES8389_DACR_VOL, 0, 0xFF, 0, dac_vol_tlv),
@ -585,6 +677,8 @@ static int es8389_pcm_hw_params(struct snd_pcm_substream *substream,
int coeff, ret;
u8 dmic_enable, state = 0;
unsigned int regv;
u32 freq;
bool hpf;
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
@ -662,6 +756,28 @@ static int es8389_pcm_hw_params(struct snd_pcm_substream *substream,
dev_warn(component->dev, "Clock coefficients do not match");
}
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
es8389->capture_rate = params_rate(params);
freq = (es8389->hpf_freq * 48000) / params_rate(params);
hpf = find_best_hpf_freq(freq, &es8389->hpfl, &es8389->hpfr, &es8389->hpf_freq);
if (!hpf) {
dev_err(component->dev, "The HPF frequency is invalid\n");
return -EINVAL;
}
}
return 0;
}
static int es8389_pcm_hw_free(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct es8389_private *es8389 = snd_soc_component_get_drvdata(component);
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
es8389->capture_rate = 0;
return 0;
}
@ -742,8 +858,8 @@ static int es8389_mute(struct snd_soc_dai *dai, int mute, int direction)
regmap_update_bits(es8389->regmap, ES8389_DAC_FORMAT_MUTE,
0x03, 0x00);
} else {
regmap_update_bits(es8389->regmap, ES8389_ADC_HPF1, 0x0f, 0x0a);
regmap_update_bits(es8389->regmap, ES8389_ADC_HPF2, 0x0f, 0x0a);
regmap_update_bits(es8389->regmap, ES8389_ADC_HPF1, 0x0f, es8389->hpfl);
regmap_update_bits(es8389->regmap, ES8389_ADC_HPF2, 0x0f, es8389->hpfr);
regmap_update_bits(es8389->regmap, ES8389_ADC_FORMAT_MUTE,
0x03, 0x00);
}
@ -759,6 +875,7 @@ static int es8389_mute(struct snd_soc_dai *dai, int mute, int direction)
static const struct snd_soc_dai_ops es8389_ops = {
.hw_params = es8389_pcm_hw_params,
.hw_free = es8389_pcm_hw_free,
.set_fmt = es8389_set_dai_fmt,
.set_sysclk = es8389_set_dai_sysclk,
.set_tdm_slot = es8389_set_tdm_slot,
@ -934,6 +1051,7 @@ static int es8389_probe(struct snd_soc_component *component)
return ret;
}
es8389->hpf_freq = ES8389_HPF_DEFAULT;
es8389_init(component);
es8389_set_bias_level(component, SND_SOC_BIAS_STANDBY);

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@ -106,6 +106,9 @@
#define ES8389_MIC_SEL_MASK (7 << 4)
#define ES8389_MIC_DEFAULT (1 << 4)
#define ES8389_HPF_DEFAULT 16
#define ES8389_HPF_OFFSET 4
#define ES8389_MASTER_MODE_EN (1 << 0)
#define ES8389_TDM_OFF (0 << 0)