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Diffstat (limited to 'sound/soc/codecs/es8316.c')
-rw-r--r--sound/soc/codecs/es8316.c498
1 files changed, 397 insertions, 101 deletions
diff --git a/sound/soc/codecs/es8316.c b/sound/soc/codecs/es8316.c
index ecc02449c569..9245c33700de 100644
--- a/sound/soc/codecs/es8316.c
+++ b/sound/soc/codecs/es8316.c
@@ -1,41 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* es8316.c -- es8316 ALSA SoC audio driver
* Copyright Everest Semiconductor Co.,Ltd
*
* Authors: David Yang <yangxiaohua@everest-semi.com>,
* Daniel Drake <drake@endlessm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/acpi.h>
+#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/mod_devicetable.h>
+#include <linux/mutex.h>
#include <linux/regmap.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
+#include <sound/jack.h>
#include "es8316.h"
/* In slave mode at single speed, the codec is documented as accepting 5
* MCLK/LRCK ratios, but we also add ratio 400, which is commonly used on
* Intel Cherry Trail platforms (19.2MHz MCLK, 48kHz LRCK).
*/
-#define NR_SUPPORTED_MCLK_LRCK_RATIOS 6
static const unsigned int supported_mclk_lrck_ratios[] = {
- 256, 384, 400, 512, 768, 1024
+ 256, 384, 400, 500, 512, 768, 1024
};
struct es8316_priv {
+ struct mutex lock;
+ struct clk *mclk;
+ struct regmap *regmap;
+ struct snd_soc_component *component;
+ struct snd_soc_jack *jack;
+ int irq;
unsigned int sysclk;
- unsigned int allowed_rates[NR_SUPPORTED_MCLK_LRCK_RATIOS];
+ /* ES83xx supports halving the MCLK so it supports twice as many rates
+ */
+ unsigned int allowed_rates[ARRAY_SIZE(supported_mclk_lrck_ratios) * 2];
struct snd_pcm_hw_constraint_list sysclk_constraints;
+ bool jd_inverted;
};
/*
@@ -45,21 +53,24 @@ static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(dac_vol_tlv, -9600, 50, 1);
static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_vol_tlv, -9600, 50, 1);
static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_max_gain_tlv, -650, 150, 0);
static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_min_gain_tlv, -1200, 150, 0);
-static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_target_tlv, -1650, 150, 0);
-static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(hpmixer_gain_tlv, -1200, 150, 0);
+
+static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(alc_target_tlv,
+ 0, 10, TLV_DB_SCALE_ITEM(-1650, 150, 0),
+ 11, 11, TLV_DB_SCALE_ITEM(-150, 0, 0),
+);
+
+static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(hpmixer_gain_tlv,
+ 0, 4, TLV_DB_SCALE_ITEM(-1200, 150, 0),
+ 8, 11, TLV_DB_SCALE_ITEM(-450, 150, 0),
+);
static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(adc_pga_gain_tlv,
0, 0, TLV_DB_SCALE_ITEM(-350, 0, 0),
1, 1, TLV_DB_SCALE_ITEM(0, 0, 0),
2, 2, TLV_DB_SCALE_ITEM(250, 0, 0),
3, 3, TLV_DB_SCALE_ITEM(450, 0, 0),
- 4, 4, TLV_DB_SCALE_ITEM(700, 0, 0),
- 5, 5, TLV_DB_SCALE_ITEM(1000, 0, 0),
- 6, 6, TLV_DB_SCALE_ITEM(1300, 0, 0),
- 7, 7, TLV_DB_SCALE_ITEM(1600, 0, 0),
- 8, 8, TLV_DB_SCALE_ITEM(1800, 0, 0),
- 9, 9, TLV_DB_SCALE_ITEM(2100, 0, 0),
- 10, 10, TLV_DB_SCALE_ITEM(2400, 0, 0),
+ 4, 7, TLV_DB_SCALE_ITEM(700, 300, 0),
+ 8, 10, TLV_DB_SCALE_ITEM(1800, 300, 0),
);
static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(hpout_vol_tlv,
@@ -84,16 +95,17 @@ static const struct snd_kcontrol_new es8316_snd_controls[] = {
SOC_DOUBLE_TLV("Headphone Playback Volume", ES8316_CPHP_ICAL_VOL,
4, 0, 3, 1, hpout_vol_tlv),
SOC_DOUBLE_TLV("Headphone Mixer Volume", ES8316_HPMIX_VOL,
- 0, 4, 7, 0, hpmixer_gain_tlv),
+ 4, 0, 11, 0, hpmixer_gain_tlv),
SOC_ENUM("Playback Polarity", dacpol),
SOC_DOUBLE_R_TLV("DAC Playback Volume", ES8316_DAC_VOLL,
ES8316_DAC_VOLR, 0, 0xc0, 1, dac_vol_tlv),
SOC_SINGLE("DAC Soft Ramp Switch", ES8316_DAC_SET1, 4, 1, 1),
- SOC_SINGLE("DAC Soft Ramp Rate", ES8316_DAC_SET1, 2, 4, 0),
+ SOC_SINGLE("DAC Soft Ramp Rate", ES8316_DAC_SET1, 2, 3, 0),
SOC_SINGLE("DAC Notch Filter Switch", ES8316_DAC_SET2, 6, 1, 0),
SOC_SINGLE("DAC Double Fs Switch", ES8316_DAC_SET2, 7, 1, 0),
SOC_SINGLE("DAC Stereo Enhancement", ES8316_DAC_SET3, 0, 7, 0),
+ SOC_SINGLE("DAC Mono Mix Switch", ES8316_DAC_SET3, 3, 1, 0),
SOC_ENUM("Capture Polarity", adcpol),
SOC_SINGLE("Mic Boost Switch", ES8316_ADC_D2SEPGA, 0, 1, 0),
@@ -109,7 +121,7 @@ static const struct snd_kcontrol_new es8316_snd_controls[] = {
alc_max_gain_tlv),
SOC_SINGLE_TLV("ALC Capture Min Volume", ES8316_ADC_ALC2, 0, 28, 0,
alc_min_gain_tlv),
- SOC_SINGLE_TLV("ALC Capture Target Volume", ES8316_ADC_ALC3, 4, 10, 0,
+ SOC_SINGLE_TLV("ALC Capture Target Volume", ES8316_ADC_ALC3, 4, 11, 0,
alc_target_tlv),
SOC_SINGLE("ALC Capture Hold Time", ES8316_ADC_ALC3, 0, 10, 0),
SOC_SINGLE("ALC Capture Decay Time", ES8316_ADC_ALC4, 4, 10, 0),
@@ -142,7 +154,7 @@ static const char * const es8316_dmic_txt[] = {
"dmic data at high level",
"dmic data at low level",
};
-static const unsigned int es8316_dmic_values[] = { 0, 1, 2 };
+static const unsigned int es8316_dmic_values[] = { 0, 2, 3 };
static const struct soc_enum es8316_dmic_src_enum =
SOC_VALUE_ENUM_SINGLE(ES8316_ADC_DMIC, 0, 3,
ARRAY_SIZE(es8316_dmic_txt),
@@ -159,8 +171,6 @@ static const char * const es8316_hpmux_texts[] = {
"lin-rin with Boost and PGA"
};
-static const unsigned int es8316_hpmux_values[] = { 0, 1, 2, 3 };
-
static SOC_ENUM_SINGLE_DECL(es8316_left_hpmux_enum, ES8316_HPMIX_SEL,
4, es8316_hpmux_texts);
@@ -191,8 +201,6 @@ static const char * const es8316_dacsrc_texts[] = {
"RDATA TO LDAC, LDATA TO RDAC",
};
-static const unsigned int es8316_dacsrc_values[] = { 0, 1, 2, 3 };
-
static SOC_ENUM_SINGLE_DECL(es8316_dacsrc_mux_enum, ES8316_DAC_SET1,
6, es8316_dacsrc_texts);
@@ -356,28 +364,42 @@ static const struct snd_soc_dapm_route es8316_dapm_routes[] = {
static int es8316_set_dai_sysclk(struct snd_soc_dai *codec_dai,
int clk_id, unsigned int freq, int dir)
{
- struct snd_soc_codec *codec = codec_dai->codec;
- struct es8316_priv *es8316 = snd_soc_codec_get_drvdata(codec);
- int i;
+ struct snd_soc_component *component = codec_dai->component;
+ struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
+ int i, ret;
int count = 0;
es8316->sysclk = freq;
+ es8316->sysclk_constraints.list = NULL;
+ es8316->sysclk_constraints.count = 0;
if (freq == 0)
return 0;
+ ret = clk_set_rate(es8316->mclk, freq);
+ if (ret)
+ return ret;
+
/* Limit supported sample rates to ones that can be autodetected
* by the codec running in slave mode.
*/
- for (i = 0; i < NR_SUPPORTED_MCLK_LRCK_RATIOS; i++) {
+ for (i = 0; i < ARRAY_SIZE(supported_mclk_lrck_ratios); i++) {
const unsigned int ratio = supported_mclk_lrck_ratios[i];
if (freq % ratio == 0)
es8316->allowed_rates[count++] = freq / ratio;
+
+ /* We also check if the halved MCLK produces a valid rate
+ * since the codec supports halving the MCLK.
+ */
+ if ((freq / ratio) % 2 == 0)
+ es8316->allowed_rates[count++] = freq / ratio / 2;
}
- es8316->sysclk_constraints.list = es8316->allowed_rates;
- es8316->sysclk_constraints.count = count;
+ if (count) {
+ es8316->sysclk_constraints.list = es8316->allowed_rates;
+ es8316->sysclk_constraints.count = count;
+ }
return 0;
}
@@ -385,19 +407,17 @@ static int es8316_set_dai_sysclk(struct snd_soc_dai *codec_dai,
static int es8316_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
+ struct snd_soc_component *component = codec_dai->component;
u8 serdata1 = 0;
u8 serdata2 = 0;
u8 clksw;
u8 mask;
- if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS) {
- dev_err(codec->dev, "Codec driver only supports slave mode\n");
- return -EINVAL;
- }
+ if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) == SND_SOC_DAIFMT_CBP_CFP)
+ serdata1 |= ES8316_SERDATA1_MASTER;
if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) != SND_SOC_DAIFMT_I2S) {
- dev_err(codec->dev, "Codec driver only supports I2S format\n");
+ dev_err(component->dev, "Codec driver only supports I2S format\n");
return -EINVAL;
}
@@ -420,15 +440,15 @@ static int es8316_set_dai_fmt(struct snd_soc_dai *codec_dai,
}
mask = ES8316_SERDATA1_MASTER | ES8316_SERDATA1_BCLK_INV;
- snd_soc_update_bits(codec, ES8316_SERDATA1, mask, serdata1);
+ snd_soc_component_update_bits(component, ES8316_SERDATA1, mask, serdata1);
mask = ES8316_SERDATA2_FMT_MASK | ES8316_SERDATA2_ADCLRP;
- snd_soc_update_bits(codec, ES8316_SERDATA_ADC, mask, serdata2);
- snd_soc_update_bits(codec, ES8316_SERDATA_DAC, mask, serdata2);
+ snd_soc_component_update_bits(component, ES8316_SERDATA_ADC, mask, serdata2);
+ snd_soc_component_update_bits(component, ES8316_SERDATA_DAC, mask, serdata2);
/* Enable BCLK and MCLK inputs in slave mode */
clksw = ES8316_CLKMGR_CLKSW_MCLK_ON | ES8316_CLKMGR_CLKSW_BCLK_ON;
- snd_soc_update_bits(codec, ES8316_CLKMGR_CLKSW, clksw, clksw);
+ snd_soc_component_update_bits(component, ES8316_CLKMGR_CLKSW, clksw, clksw);
return 0;
}
@@ -436,20 +456,13 @@ static int es8316_set_dai_fmt(struct snd_soc_dai *codec_dai,
static int es8316_pcm_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_codec *codec = dai->codec;
- struct es8316_priv *es8316 = snd_soc_codec_get_drvdata(codec);
-
- if (es8316->sysclk == 0) {
- dev_err(codec->dev, "No sysclk provided\n");
- return -EINVAL;
- }
+ struct snd_soc_component *component = dai->component;
+ struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
- /* The set of sample rates that can be supported depends on the
- * MCLK supplied to the CODEC.
- */
- snd_pcm_hw_constraint_list(substream->runtime, 0,
- SNDRV_PCM_HW_PARAM_RATE,
- &es8316->sysclk_constraints);
+ if (es8316->sysclk_constraints.list)
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE,
+ &es8316->sysclk_constraints);
return 0;
}
@@ -458,56 +471,100 @@ static int es8316_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
- struct es8316_priv *es8316 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = dai->component;
+ struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
u8 wordlen = 0;
-
- if (!es8316->sysclk) {
- dev_err(codec->dev, "No MCLK configured\n");
- return -EINVAL;
+ u8 bclk_divider;
+ u16 lrck_divider;
+ int i;
+ unsigned int clk = es8316->sysclk / 2;
+ bool clk_valid = false;
+
+ /* We will start with halved sysclk and see if we can use it
+ * for proper clocking. This is to minimise the risk of running
+ * the CODEC with a too high frequency. We have an SKU where
+ * the sysclk frequency is 48Mhz and this causes the sound to be
+ * sped up. If we can run with a halved sysclk, we will use it,
+ * if we can't use it, then full sysclk will be used.
+ */
+ do {
+ /* Validate supported sample rates that are autodetected from MCLK */
+ for (i = 0; i < ARRAY_SIZE(supported_mclk_lrck_ratios); i++) {
+ const unsigned int ratio = supported_mclk_lrck_ratios[i];
+
+ if (clk % ratio != 0)
+ continue;
+ if (clk / ratio == params_rate(params))
+ break;
+ }
+ if (i == ARRAY_SIZE(supported_mclk_lrck_ratios)) {
+ if (clk == es8316->sysclk)
+ return -EINVAL;
+ clk = es8316->sysclk;
+ } else {
+ clk_valid = true;
+ }
+ } while (!clk_valid);
+
+ if (clk != es8316->sysclk) {
+ snd_soc_component_update_bits(component, ES8316_CLKMGR_CLKSW,
+ ES8316_CLKMGR_CLKSW_MCLK_DIV,
+ ES8316_CLKMGR_CLKSW_MCLK_DIV);
}
+ lrck_divider = clk / params_rate(params);
+ bclk_divider = lrck_divider / 4;
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
wordlen = ES8316_SERDATA2_LEN_16;
+ bclk_divider /= 16;
break;
case SNDRV_PCM_FORMAT_S20_3LE:
wordlen = ES8316_SERDATA2_LEN_20;
+ bclk_divider /= 20;
break;
case SNDRV_PCM_FORMAT_S24_LE:
+ case SNDRV_PCM_FORMAT_S24_3LE:
wordlen = ES8316_SERDATA2_LEN_24;
+ bclk_divider /= 24;
break;
case SNDRV_PCM_FORMAT_S32_LE:
wordlen = ES8316_SERDATA2_LEN_32;
+ bclk_divider /= 32;
break;
default:
return -EINVAL;
}
- snd_soc_update_bits(codec, ES8316_SERDATA_DAC,
+ snd_soc_component_update_bits(component, ES8316_SERDATA_DAC,
ES8316_SERDATA2_LEN_MASK, wordlen);
- snd_soc_update_bits(codec, ES8316_SERDATA_ADC,
+ snd_soc_component_update_bits(component, ES8316_SERDATA_ADC,
ES8316_SERDATA2_LEN_MASK, wordlen);
+ snd_soc_component_update_bits(component, ES8316_SERDATA1, 0x1f, bclk_divider);
+ snd_soc_component_update_bits(component, ES8316_CLKMGR_ADCDIV1, 0x0f, lrck_divider >> 8);
+ snd_soc_component_update_bits(component, ES8316_CLKMGR_ADCDIV2, 0xff, lrck_divider & 0xff);
+ snd_soc_component_update_bits(component, ES8316_CLKMGR_DACDIV1, 0x0f, lrck_divider >> 8);
+ snd_soc_component_update_bits(component, ES8316_CLKMGR_DACDIV2, 0xff, lrck_divider & 0xff);
return 0;
}
-static int es8316_mute(struct snd_soc_dai *dai, int mute)
+static int es8316_mute(struct snd_soc_dai *dai, int mute, int direction)
{
- snd_soc_update_bits(dai->codec, ES8316_DAC_SET1, 0x20,
+ snd_soc_component_update_bits(dai->component, ES8316_DAC_SET1, 0x20,
mute ? 0x20 : 0);
return 0;
}
#define ES8316_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
- SNDRV_PCM_FMTBIT_S24_LE)
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
-static struct snd_soc_dai_ops es8316_ops = {
+static const struct snd_soc_dai_ops es8316_ops = {
.startup = es8316_pcm_startup,
.hw_params = es8316_pcm_hw_params,
.set_fmt = es8316_set_dai_fmt,
.set_sysclk = es8316_set_dai_sysclk,
- .digital_mute = es8316_mute,
+ .mute_stream = es8316_mute,
+ .no_capture_mute = 1,
};
static struct snd_soc_dai_driver es8316_dai = {
@@ -527,59 +584,286 @@ static struct snd_soc_dai_driver es8316_dai = {
.formats = ES8316_FORMATS,
},
.ops = &es8316_ops,
- .symmetric_rates = 1,
+ .symmetric_rate = 1,
};
-static int es8316_probe(struct snd_soc_codec *codec)
+static void es8316_enable_micbias_for_mic_gnd_short_detect(
+ struct snd_soc_component *component)
+{
+ struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
+
+ snd_soc_dapm_mutex_lock(dapm);
+ snd_soc_dapm_force_enable_pin_unlocked(dapm, "Bias");
+ snd_soc_dapm_force_enable_pin_unlocked(dapm, "Analog power");
+ snd_soc_dapm_force_enable_pin_unlocked(dapm, "Mic Bias");
+ snd_soc_dapm_sync_unlocked(dapm);
+ snd_soc_dapm_mutex_unlock(dapm);
+
+ msleep(20);
+}
+
+static void es8316_disable_micbias_for_mic_gnd_short_detect(
+ struct snd_soc_component *component)
+{
+ struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
+
+ snd_soc_dapm_mutex_lock(dapm);
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Bias");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Analog power");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Bias");
+ snd_soc_dapm_sync_unlocked(dapm);
+ snd_soc_dapm_mutex_unlock(dapm);
+}
+
+static irqreturn_t es8316_irq(int irq, void *data)
+{
+ struct es8316_priv *es8316 = data;
+ struct snd_soc_component *comp = es8316->component;
+ unsigned int flags;
+
+ mutex_lock(&es8316->lock);
+
+ regmap_read(es8316->regmap, ES8316_GPIO_FLAG, &flags);
+ if (flags == 0x00)
+ goto out; /* Powered-down / reset */
+
+ /* Catch spurious IRQ before set_jack is called */
+ if (!es8316->jack)
+ goto out;
+
+ if (es8316->jd_inverted)
+ flags ^= ES8316_GPIO_FLAG_HP_NOT_INSERTED;
+
+ dev_dbg(comp->dev, "gpio flags %#04x\n", flags);
+ if (flags & ES8316_GPIO_FLAG_HP_NOT_INSERTED) {
+ /* Jack removed, or spurious IRQ? */
+ if (es8316->jack->status & SND_JACK_MICROPHONE)
+ es8316_disable_micbias_for_mic_gnd_short_detect(comp);
+
+ if (es8316->jack->status & SND_JACK_HEADPHONE) {
+ snd_soc_jack_report(es8316->jack, 0,
+ SND_JACK_HEADSET | SND_JACK_BTN_0);
+ dev_dbg(comp->dev, "jack unplugged\n");
+ }
+ } else if (!(es8316->jack->status & SND_JACK_HEADPHONE)) {
+ /* Jack inserted, determine type */
+ es8316_enable_micbias_for_mic_gnd_short_detect(comp);
+ regmap_read(es8316->regmap, ES8316_GPIO_FLAG, &flags);
+ if (es8316->jd_inverted)
+ flags ^= ES8316_GPIO_FLAG_HP_NOT_INSERTED;
+ dev_dbg(comp->dev, "gpio flags %#04x\n", flags);
+ if (flags & ES8316_GPIO_FLAG_HP_NOT_INSERTED) {
+ /* Jack unplugged underneath us */
+ es8316_disable_micbias_for_mic_gnd_short_detect(comp);
+ } else if (flags & ES8316_GPIO_FLAG_GM_NOT_SHORTED) {
+ /* Open, headset */
+ snd_soc_jack_report(es8316->jack,
+ SND_JACK_HEADSET,
+ SND_JACK_HEADSET);
+ /* Keep mic-gnd-short detection on for button press */
+ } else {
+ /* Shorted, headphones */
+ snd_soc_jack_report(es8316->jack,
+ SND_JACK_HEADPHONE,
+ SND_JACK_HEADSET);
+ /* No longer need mic-gnd-short detection */
+ es8316_disable_micbias_for_mic_gnd_short_detect(comp);
+ }
+ } else if (es8316->jack->status & SND_JACK_MICROPHONE) {
+ /* Interrupt while jack inserted, report button state */
+ if (flags & ES8316_GPIO_FLAG_GM_NOT_SHORTED) {
+ /* Open, button release */
+ snd_soc_jack_report(es8316->jack, 0, SND_JACK_BTN_0);
+ } else {
+ /* Short, button press */
+ snd_soc_jack_report(es8316->jack,
+ SND_JACK_BTN_0,
+ SND_JACK_BTN_0);
+ }
+ }
+
+out:
+ mutex_unlock(&es8316->lock);
+ return IRQ_HANDLED;
+}
+
+static void es8316_enable_jack_detect(struct snd_soc_component *component,
+ struct snd_soc_jack *jack)
+{
+ struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
+
+ /*
+ * Init es8316->jd_inverted here and not in the probe, as we cannot
+ * guarantee that the bytchr-es8316 driver, which might set this
+ * property, will probe before us.
+ */
+ es8316->jd_inverted = device_property_read_bool(component->dev,
+ "everest,jack-detect-inverted");
+
+ mutex_lock(&es8316->lock);
+
+ es8316->jack = jack;
+
+ if (es8316->jack->status & SND_JACK_MICROPHONE)
+ es8316_enable_micbias_for_mic_gnd_short_detect(component);
+
+ snd_soc_component_update_bits(component, ES8316_GPIO_DEBOUNCE,
+ ES8316_GPIO_ENABLE_INTERRUPT,
+ ES8316_GPIO_ENABLE_INTERRUPT);
+
+ mutex_unlock(&es8316->lock);
+
+ /* Enable irq and sync initial jack state */
+ enable_irq(es8316->irq);
+ es8316_irq(es8316->irq, es8316);
+}
+
+static void es8316_disable_jack_detect(struct snd_soc_component *component)
+{
+ struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
+
+ if (!es8316->jack)
+ return; /* Already disabled (or never enabled) */
+
+ disable_irq(es8316->irq);
+
+ mutex_lock(&es8316->lock);
+
+ snd_soc_component_update_bits(component, ES8316_GPIO_DEBOUNCE,
+ ES8316_GPIO_ENABLE_INTERRUPT, 0);
+
+ if (es8316->jack->status & SND_JACK_MICROPHONE) {
+ es8316_disable_micbias_for_mic_gnd_short_detect(component);
+ snd_soc_jack_report(es8316->jack, 0, SND_JACK_BTN_0);
+ }
+
+ es8316->jack = NULL;
+
+ mutex_unlock(&es8316->lock);
+}
+
+static int es8316_set_jack(struct snd_soc_component *component,
+ struct snd_soc_jack *jack, void *data)
{
+ if (jack)
+ es8316_enable_jack_detect(component, jack);
+ else
+ es8316_disable_jack_detect(component);
+
+ return 0;
+}
+
+static int es8316_probe(struct snd_soc_component *component)
+{
+ struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
+ int ret;
+
+ es8316->component = component;
+
+ es8316->mclk = devm_clk_get_optional(component->dev, "mclk");
+ if (IS_ERR(es8316->mclk)) {
+ dev_err(component->dev, "unable to get mclk\n");
+ return PTR_ERR(es8316->mclk);
+ }
+ if (!es8316->mclk)
+ dev_warn(component->dev, "assuming static mclk\n");
+
+ ret = clk_prepare_enable(es8316->mclk);
+ if (ret) {
+ dev_err(component->dev, "unable to enable mclk\n");
+ return ret;
+ }
+
/* Reset codec and enable current state machine */
- snd_soc_write(codec, ES8316_RESET, 0x3f);
+ snd_soc_component_write(component, ES8316_RESET, 0x3f);
usleep_range(5000, 5500);
- snd_soc_write(codec, ES8316_RESET, ES8316_RESET_CSM_ON);
+ snd_soc_component_write(component, ES8316_RESET, ES8316_RESET_CSM_ON);
msleep(30);
/*
* Documentation is unclear, but this value from the vendor driver is
* needed otherwise audio output is silent.
*/
- snd_soc_write(codec, ES8316_SYS_VMIDSEL, 0xff);
+ snd_soc_component_write(component, ES8316_SYS_VMIDSEL, 0xff);
/*
* Documentation for this register is unclear and incomplete,
* but here is a vendor-provided value that improves volume
* and quality for Intel CHT platforms.
*/
- snd_soc_write(codec, ES8316_CLKMGR_ADCOSR, 0x32);
+ snd_soc_component_write(component, ES8316_CLKMGR_ADCOSR, 0x32);
return 0;
}
-static struct snd_soc_codec_driver soc_codec_dev_es8316 = {
- .probe = es8316_probe,
- .idle_bias_off = true,
-
- .component_driver = {
- .controls = es8316_snd_controls,
- .num_controls = ARRAY_SIZE(es8316_snd_controls),
- .dapm_widgets = es8316_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(es8316_dapm_widgets),
- .dapm_routes = es8316_dapm_routes,
- .num_dapm_routes = ARRAY_SIZE(es8316_dapm_routes),
- },
+static void es8316_remove(struct snd_soc_component *component)
+{
+ struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
+
+ clk_disable_unprepare(es8316->mclk);
+}
+
+static int es8316_resume(struct snd_soc_component *component)
+{
+ struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
+
+ regcache_cache_only(es8316->regmap, false);
+ regcache_sync(es8316->regmap);
+
+ return 0;
+}
+
+static int es8316_suspend(struct snd_soc_component *component)
+{
+ struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
+
+ regcache_cache_only(es8316->regmap, true);
+ regcache_mark_dirty(es8316->regmap);
+
+ return 0;
+}
+
+static const struct snd_soc_component_driver soc_component_dev_es8316 = {
+ .probe = es8316_probe,
+ .remove = es8316_remove,
+ .resume = es8316_resume,
+ .suspend = es8316_suspend,
+ .set_jack = es8316_set_jack,
+ .controls = es8316_snd_controls,
+ .num_controls = ARRAY_SIZE(es8316_snd_controls),
+ .dapm_widgets = es8316_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(es8316_dapm_widgets),
+ .dapm_routes = es8316_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(es8316_dapm_routes),
+ .use_pmdown_time = 1,
+ .endianness = 1,
};
+static bool es8316_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case ES8316_GPIO_FLAG:
+ return true;
+ default:
+ return false;
+ }
+}
+
static const struct regmap_config es8316_regmap = {
.reg_bits = 8,
.val_bits = 8,
+ .use_single_read = true,
+ .use_single_write = true,
.max_register = 0x53,
- .cache_type = REGCACHE_RBTREE,
+ .volatile_reg = es8316_volatile_reg,
+ .cache_type = REGCACHE_MAPLE,
};
-static int es8316_i2c_probe(struct i2c_client *i2c_client,
- const struct i2c_device_id *id)
+static int es8316_i2c_probe(struct i2c_client *i2c_client)
{
+ struct device *dev = &i2c_client->dev;
struct es8316_priv *es8316;
- struct regmap *regmap;
+ int ret;
es8316 = devm_kzalloc(&i2c_client->dev, sizeof(struct es8316_priv),
GFP_KERNEL);
@@ -588,37 +872,50 @@ static int es8316_i2c_probe(struct i2c_client *i2c_client,
i2c_set_clientdata(i2c_client, es8316);
- regmap = devm_regmap_init_i2c(i2c_client, &es8316_regmap);
- if (IS_ERR(regmap))
- return PTR_ERR(regmap);
+ es8316->regmap = devm_regmap_init_i2c(i2c_client, &es8316_regmap);
+ if (IS_ERR(es8316->regmap))
+ return PTR_ERR(es8316->regmap);
+
+ es8316->irq = i2c_client->irq;
+ mutex_init(&es8316->lock);
+
+ if (es8316->irq > 0) {
+ ret = devm_request_threaded_irq(dev, es8316->irq, NULL, es8316_irq,
+ IRQF_TRIGGER_HIGH | IRQF_ONESHOT | IRQF_NO_AUTOEN,
+ "es8316", es8316);
+ if (ret) {
+ dev_warn(dev, "Failed to get IRQ %d: %d\n", es8316->irq, ret);
+ es8316->irq = -ENXIO;
+ }
+ }
- return snd_soc_register_codec(&i2c_client->dev, &soc_codec_dev_es8316,
+ return devm_snd_soc_register_component(&i2c_client->dev,
+ &soc_component_dev_es8316,
&es8316_dai, 1);
}
-static int es8316_i2c_remove(struct i2c_client *client)
-{
- snd_soc_unregister_codec(&client->dev);
- return 0;
-}
-
static const struct i2c_device_id es8316_i2c_id[] = {
- {"es8316", 0 },
+ {"es8316" },
{}
};
MODULE_DEVICE_TABLE(i2c, es8316_i2c_id);
+#ifdef CONFIG_OF
static const struct of_device_id es8316_of_match[] = {
{ .compatible = "everest,es8316", },
{},
};
MODULE_DEVICE_TABLE(of, es8316_of_match);
+#endif
+#ifdef CONFIG_ACPI
static const struct acpi_device_id es8316_acpi_match[] = {
{"ESSX8316", 0},
+ {"ESSX8336", 0},
{},
};
MODULE_DEVICE_TABLE(acpi, es8316_acpi_match);
+#endif
static struct i2c_driver es8316_i2c_driver = {
.driver = {
@@ -627,7 +924,6 @@ static struct i2c_driver es8316_i2c_driver = {
.of_match_table = of_match_ptr(es8316_of_match),
},
.probe = es8316_i2c_probe,
- .remove = es8316_i2c_remove,
.id_table = es8316_i2c_id,
};
module_i2c_driver(es8316_i2c_driver);
generated by cgit (git 2.34.1) at 2025-12-26 05:45:09 +0000