From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/sound/soc/codecs/tlv320aic31xx.c | 271 +++++++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 249 insertions(+), 22 deletions(-)
diff --git a/kernel/sound/soc/codecs/tlv320aic31xx.c b/kernel/sound/soc/codecs/tlv320aic31xx.c
index 3c75dcf..9e57e07 100644
--- a/kernel/sound/soc/codecs/tlv320aic31xx.c
+++ b/kernel/sound/soc/codecs/tlv320aic31xx.c
@@ -2,7 +2,7 @@
/*
* ALSA SoC TLV320AIC31xx CODEC Driver
*
- * Copyright (C) 2014-2017 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2014-2017 Texas Instruments Incorporated - https://www.ti.com/
* Jyri Sarha <jsarha@ti.com>
*
* Based on ground work by: Ajit Kulkarni <x0175765@ti.com>
@@ -25,6 +25,7 @@
#include <linux/of_gpio.h>
#include <linux/slab.h>
#include <sound/core.h>
+#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
@@ -33,6 +34,9 @@
#include <dt-bindings/sound/tlv320aic31xx-micbias.h>
#include "tlv320aic31xx.h"
+
+static int aic31xx_set_jack(struct snd_soc_component *component,
+ struct snd_soc_jack *jack, void *data);
static const struct reg_default aic31xx_reg_defaults[] = {
{ AIC31XX_CLKMUX, 0x00 },
@@ -89,6 +93,7 @@
case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
case AIC31XX_INTRDACFLAG2:
case AIC31XX_INTRADCFLAG2:
+ case AIC31XX_HSDETECT:
return true;
}
return false;
@@ -163,10 +168,13 @@
struct aic31xx_pdata pdata;
struct regulator_bulk_data supplies[AIC31XX_NUM_SUPPLIES];
struct aic31xx_disable_nb disable_nb[AIC31XX_NUM_SUPPLIES];
+ struct snd_soc_jack *jack;
unsigned int sysclk;
u8 p_div;
int rate_div_line;
bool master_dapm_route_applied;
+ int irq;
+ u8 ocmv; /* output common-mode voltage */
};
struct aic31xx_rate_divs {
@@ -254,9 +262,27 @@
static SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2,
mic_select_text);
-static SOC_ENUM_SINGLE_DECL(cm_m_enum, AIC31XX_MICPGAMI, 6, mic_select_text);
static SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4,
mic_select_text);
+
+static const char * const hp_poweron_time_text[] = {
+ "0us", "15.3us", "153us", "1.53ms", "15.3ms", "76.2ms",
+ "153ms", "304ms", "610ms", "1.22s", "3.04s", "6.1s" };
+
+static SOC_ENUM_SINGLE_DECL(hp_poweron_time_enum, AIC31XX_HPPOP, 3,
+ hp_poweron_time_text);
+
+static const char * const hp_rampup_step_text[] = {
+ "0ms", "0.98ms", "1.95ms", "3.9ms" };
+
+static SOC_ENUM_SINGLE_DECL(hp_rampup_step_enum, AIC31XX_HPPOP, 1,
+ hp_rampup_step_text);
+
+static const char * const vol_soft_step_mode_text[] = {
+ "fast", "slow", "disabled" };
+
+static SOC_ENUM_SINGLE_DECL(vol_soft_step_mode_enum, AIC31XX_DACSETUP, 0,
+ vol_soft_step_mode_text);
static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0);
@@ -281,6 +307,16 @@
SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL,
AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv),
+
+ /* HP de-pop control: apply power not immediately but via ramp
+ * function with these psarameters. Note that power up sequence
+ * has to wait for this to complete; this is implemented by
+ * polling HP driver status in aic31xx_dapm_power_event()
+ */
+ SOC_ENUM("HP Output Driver Power-On time", hp_poweron_time_enum),
+ SOC_ENUM("HP Output Driver Ramp-up step", hp_rampup_step_enum),
+
+ SOC_ENUM("Volume Soft Stepping", vol_soft_step_mode_enum),
};
static const struct snd_kcontrol_new aic31xx_snd_controls[] = {
@@ -353,6 +389,7 @@
struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
unsigned int reg = AIC31XX_DACFLAG1;
unsigned int mask;
+ unsigned int timeout = 500 * USEC_PER_MSEC;
switch (WIDGET_BIT(w->reg, w->shift)) {
case WIDGET_BIT(AIC31XX_DACSETUP, 7):
@@ -363,9 +400,13 @@
break;
case WIDGET_BIT(AIC31XX_HPDRIVER, 7):
mask = AIC31XX_HPLDRVPWRSTATUS_MASK;
+ if (event == SND_SOC_DAPM_POST_PMU)
+ timeout = 7 * USEC_PER_SEC;
break;
case WIDGET_BIT(AIC31XX_HPDRIVER, 6):
mask = AIC31XX_HPRDRVPWRSTATUS_MASK;
+ if (event == SND_SOC_DAPM_POST_PMU)
+ timeout = 7 * USEC_PER_SEC;
break;
case WIDGET_BIT(AIC31XX_SPKAMP, 7):
mask = AIC31XX_SPLDRVPWRSTATUS_MASK;
@@ -385,9 +426,11 @@
switch (event) {
case SND_SOC_DAPM_POST_PMU:
- return aic31xx_wait_bits(aic31xx, reg, mask, mask, 5000, 100);
+ return aic31xx_wait_bits(aic31xx, reg, mask, mask,
+ 5000, timeout / 5000);
case SND_SOC_DAPM_POST_PMD:
- return aic31xx_wait_bits(aic31xx, reg, mask, 0, 5000, 100);
+ return aic31xx_wait_bits(aic31xx, reg, mask, 0,
+ 5000, timeout / 5000);
default:
dev_dbg(component->dev,
"Unhandled dapm widget event %d from %s\n",
@@ -837,7 +880,7 @@
there may be trouble. To fix the issue edit the
aic31xx_divs table for your mclk and sample
rate. Details can be found from:
- http://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf
+ https://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf
Section: 5.6 CLOCK Generation and PLL
*/
}
@@ -932,7 +975,8 @@
return aic31xx_setup_pll(component, params);
}
-static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute)
+static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute,
+ int direction)
{
struct snd_soc_component *component = codec_dai->component;
@@ -1040,7 +1084,8 @@
case SND_SOC_DAIFMT_I2S:
break;
case SND_SOC_DAIFMT_DSP_A:
- dsp_a_val = 0x1; /* fall through */
+ dsp_a_val = 0x1;
+ fallthrough;
case SND_SOC_DAIFMT_DSP_B:
/*
* NOTE: This CODEC samples on the falling edge of BCLK in
@@ -1094,7 +1139,7 @@
if (freq/i > 20000000) {
dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n",
__func__, freq);
- return -EINVAL;
+ return -EINVAL;
}
aic31xx->p_div = i;
@@ -1214,6 +1259,13 @@
return ret;
}
+ /*
+ * The jack detection configuration is in the same register
+ * that is used to report jack detect status so is volatile
+ * and not covered by the cache sync, restore it separately.
+ */
+ aic31xx_set_jack(component, aic31xx->jack, NULL);
+
return 0;
}
@@ -1260,6 +1312,20 @@
return 0;
}
+static int aic31xx_set_jack(struct snd_soc_component *component,
+ struct snd_soc_jack *jack, void *data)
+{
+ struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
+
+ aic31xx->jack = jack;
+
+ /* Enable/Disable jack detection */
+ regmap_write(aic31xx->regmap, AIC31XX_HSDETECT,
+ jack ? AIC31XX_HSD_ENABLE : 0);
+
+ return 0;
+}
+
static int aic31xx_codec_probe(struct snd_soc_component *component)
{
struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
@@ -1273,8 +1339,9 @@
aic31xx->disable_nb[i].nb.notifier_call =
aic31xx_regulator_event;
aic31xx->disable_nb[i].aic31xx = aic31xx;
- ret = regulator_register_notifier(aic31xx->supplies[i].consumer,
- &aic31xx->disable_nb[i].nb);
+ ret = devm_regulator_register_notifier(
+ aic31xx->supplies[i].consumer,
+ &aic31xx->disable_nb[i].nb);
if (ret) {
dev_err(component->dev,
"Failed to request regulator notifier: %d\n",
@@ -1294,22 +1361,17 @@
if (ret)
return ret;
+ /* set output common-mode voltage */
+ snd_soc_component_update_bits(component, AIC31XX_HPDRIVER,
+ AIC31XX_HPD_OCMV_MASK,
+ aic31xx->ocmv << AIC31XX_HPD_OCMV_SHIFT);
+
return 0;
-}
-
-static void aic31xx_codec_remove(struct snd_soc_component *component)
-{
- struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
- int i;
-
- for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
- regulator_unregister_notifier(aic31xx->supplies[i].consumer,
- &aic31xx->disable_nb[i].nb);
}
static const struct snd_soc_component_driver soc_codec_driver_aic31xx = {
.probe = aic31xx_codec_probe,
- .remove = aic31xx_codec_remove,
+ .set_jack = aic31xx_set_jack,
.set_bias_level = aic31xx_set_bias_level,
.controls = common31xx_snd_controls,
.num_controls = ARRAY_SIZE(common31xx_snd_controls),
@@ -1328,7 +1390,8 @@
.hw_params = aic31xx_hw_params,
.set_sysclk = aic31xx_set_dai_sysclk,
.set_fmt = aic31xx_set_dai_fmt,
- .digital_mute = aic31xx_dac_mute,
+ .mute_stream = aic31xx_dac_mute,
+ .no_capture_mute = 1,
};
static struct snd_soc_dai_driver dac31xx_dai_driver[] = {
@@ -1391,6 +1454,145 @@
MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match);
#endif
+static irqreturn_t aic31xx_irq(int irq, void *data)
+{
+ struct aic31xx_priv *aic31xx = data;
+ struct device *dev = aic31xx->dev;
+ unsigned int value;
+ bool handled = false;
+ int ret;
+
+ ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG, &value);
+ if (ret) {
+ dev_err(dev, "Failed to read interrupt mask: %d\n", ret);
+ goto exit;
+ }
+
+ if (value)
+ handled = true;
+ else
+ goto read_overflow;
+
+ if (value & AIC31XX_HPLSCDETECT)
+ dev_err(dev, "Short circuit on Left output is detected\n");
+ if (value & AIC31XX_HPRSCDETECT)
+ dev_err(dev, "Short circuit on Right output is detected\n");
+ if (value & (AIC31XX_HSPLUG | AIC31XX_BUTTONPRESS)) {
+ unsigned int val;
+ int status = 0;
+
+ ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG2,
+ &val);
+ if (ret) {
+ dev_err(dev, "Failed to read interrupt mask: %d\n",
+ ret);
+ goto exit;
+ }
+
+ if (val & AIC31XX_BUTTONPRESS)
+ status |= SND_JACK_BTN_0;
+
+ ret = regmap_read(aic31xx->regmap, AIC31XX_HSDETECT, &val);
+ if (ret) {
+ dev_err(dev, "Failed to read headset type: %d\n", ret);
+ goto exit;
+ }
+
+ switch ((val & AIC31XX_HSD_TYPE_MASK) >>
+ AIC31XX_HSD_TYPE_SHIFT) {
+ case AIC31XX_HSD_HP:
+ status |= SND_JACK_HEADPHONE;
+ break;
+ case AIC31XX_HSD_HS:
+ status |= SND_JACK_HEADSET;
+ break;
+ default:
+ break;
+ }
+
+ if (aic31xx->jack)
+ snd_soc_jack_report(aic31xx->jack, status,
+ AIC31XX_JACK_MASK);
+ }
+ if (value & ~(AIC31XX_HPLSCDETECT |
+ AIC31XX_HPRSCDETECT |
+ AIC31XX_HSPLUG |
+ AIC31XX_BUTTONPRESS))
+ dev_err(dev, "Unknown DAC interrupt flags: 0x%08x\n", value);
+
+read_overflow:
+ ret = regmap_read(aic31xx->regmap, AIC31XX_OFFLAG, &value);
+ if (ret) {
+ dev_err(dev, "Failed to read overflow flag: %d\n", ret);
+ goto exit;
+ }
+
+ if (value)
+ handled = true;
+ else
+ goto exit;
+
+ if (value & AIC31XX_DAC_OF_LEFT)
+ dev_warn(dev, "Left-channel DAC overflow has occurred\n");
+ if (value & AIC31XX_DAC_OF_RIGHT)
+ dev_warn(dev, "Right-channel DAC overflow has occurred\n");
+ if (value & AIC31XX_DAC_OF_SHIFTER)
+ dev_warn(dev, "DAC barrel shifter overflow has occurred\n");
+ if (value & AIC31XX_ADC_OF)
+ dev_warn(dev, "ADC overflow has occurred\n");
+ if (value & AIC31XX_ADC_OF_SHIFTER)
+ dev_warn(dev, "ADC barrel shifter overflow has occurred\n");
+ if (value & ~(AIC31XX_DAC_OF_LEFT |
+ AIC31XX_DAC_OF_RIGHT |
+ AIC31XX_DAC_OF_SHIFTER |
+ AIC31XX_ADC_OF |
+ AIC31XX_ADC_OF_SHIFTER))
+ dev_warn(dev, "Unknown overflow interrupt flags: 0x%08x\n", value);
+
+exit:
+ if (handled)
+ return IRQ_HANDLED;
+ else
+ return IRQ_NONE;
+}
+
+static void aic31xx_configure_ocmv(struct aic31xx_priv *priv)
+{
+ struct device *dev = priv->dev;
+ int dvdd, avdd;
+ u32 value;
+
+ if (dev->fwnode &&
+ fwnode_property_read_u32(dev->fwnode, "ai31xx-ocmv", &value)) {
+ /* OCMV setting is forced by DT */
+ if (value <= 3) {
+ priv->ocmv = value;
+ return;
+ }
+ }
+
+ avdd = regulator_get_voltage(priv->supplies[3].consumer);
+ dvdd = regulator_get_voltage(priv->supplies[5].consumer);
+
+ if (avdd > 3600000 || dvdd > 1950000) {
+ dev_warn(dev,
+ "Too high supply voltage(s) AVDD: %d, DVDD: %d\n",
+ avdd, dvdd);
+ } else if (avdd == 3600000 && dvdd == 1950000) {
+ priv->ocmv = AIC31XX_HPD_OCMV_1_8V;
+ } else if (avdd >= 3300000 && dvdd >= 1800000) {
+ priv->ocmv = AIC31XX_HPD_OCMV_1_65V;
+ } else if (avdd >= 3000000 && dvdd >= 1650000) {
+ priv->ocmv = AIC31XX_HPD_OCMV_1_5V;
+ } else if (avdd >= 2700000 && dvdd >= 1525000) {
+ priv->ocmv = AIC31XX_HPD_OCMV_1_35V;
+ } else {
+ dev_warn(dev,
+ "Invalid supply voltage(s) AVDD: %d, DVDD: %d\n",
+ avdd, dvdd);
+ }
+}
+
static int aic31xx_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
@@ -1413,6 +1615,7 @@
return ret;
}
aic31xx->dev = &i2c->dev;
+ aic31xx->irq = i2c->irq;
aic31xx->codec_type = id->driver_data;
@@ -1459,6 +1662,30 @@
return ret;
}
+ aic31xx_configure_ocmv(aic31xx);
+
+ if (aic31xx->irq > 0) {
+ regmap_update_bits(aic31xx->regmap, AIC31XX_GPIO1,
+ AIC31XX_GPIO1_FUNC_MASK,
+ AIC31XX_GPIO1_INT1 <<
+ AIC31XX_GPIO1_FUNC_SHIFT);
+
+ regmap_write(aic31xx->regmap, AIC31XX_INT1CTRL,
+ AIC31XX_HSPLUGDET |
+ AIC31XX_BUTTONPRESSDET |
+ AIC31XX_SC |
+ AIC31XX_ENGINE);
+
+ ret = devm_request_threaded_irq(aic31xx->dev, aic31xx->irq,
+ NULL, aic31xx_irq,
+ IRQF_ONESHOT, "aic31xx-irq",
+ aic31xx);
+ if (ret) {
+ dev_err(aic31xx->dev, "Unable to request IRQ\n");
+ return ret;
+ }
+ }
+
if (aic31xx->codec_type & DAC31XX_BIT)
return devm_snd_soc_register_component(&i2c->dev,
&soc_codec_driver_aic31xx,
--
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