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authorLinus Torvalds <torvalds@linux-foundation.org>2023-08-30 13:45:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-08-30 13:45:05 -0700
commit4fb0dacb78c6a041bbd38ddd998df806af5c2c69 (patch)
treef175caac9bc11c78632959a954a6b618fbf8f5c1 /sound/soc/codecs/cs42l43-jack.c
parent461f35f014466c4e26dca6be0f431f57297df3f2 (diff)
parent358040e3807754944dbddf948a23c6d914297ed7 (diff)
Merge tag 'sound-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai: "We've received a fairly wide range of changes at this time, including for ALSA and ASoC core, but all of them are rather small changes. Here are some highlights: ALSA / ASoC Core: - Fixes of inconsistent locking around control API helpers - A few new control API functions and cleanups - Workarounds for potential UAFs by delayed kobj releases - Unified PCM copy ops with iov_iter - Continued efforts for ASoC API cleanups ASoC: - An adaptor to allow use of IIO DACs and ADCs in ASoC which pulls in some IIO changes - Create a library function for intlog10() and use it in the NAU8825 driver - Convert drivers to use the more modern maple tree register cache - Lots of work on the SOF framework, AMD and Intel drivers, including a lot of cleanup and new device support - Standardization of the presentation of jacks from drivers - Provision of some generic sound card DT properties - Support for AMD Van Gogh, AMD machines with MAX98388 and NAU8821, AWInic AW88261, Cirrus Logic CS35L36 and CS42L43, various Intel platforms including AVS machines with ES8336 and RT5663, Mediatek MT7986, NXP i.MX93, RealTek RT1017 and StarFive JH7110 Others: - New test coverage including ASoC and topology tests in KUnit; this also involves enabling UML builds of ALSA since that's the default KUnit test environment which pulls in the addition of some stubs to the driver - More enhancement of pcmtest driver - A few fixes / enhancements of MIDI 2.0 UMP core - Using PCI definitions in allover HD-audio code - Support for Cirrus CS35L56 and TI TAS2781 HD-audio sub-codecs - CS35L41 HD-audio sub-codec improvements - Continued emu10k1 improvements" * tag 'sound-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (693 commits) ALSA: pcm: Fix missing fixup call in compat hw_refine ioctl ASoC: dwc: i2s: Fix unused functions ALSA: usb-audio: Don't try to submit URBs after disconnection ALSA: emu10k1: add separate documentation for E-MU cards ALSA: emu10k1: more documentation updates ALSA: emu10k1: de-duplicate audigy-mixer.rst vs. sb-live-mixer.rst ALSA: ump: Fix -Wformat-truncation warnings ALSA: hda: Add missing dependency on CONFIG_EFI for Cirrus/TI sub-codecs ALSA: doc: Fix missing backquote in midi-2.0.rst ALSA: hda/realtek: Add quirk for mute LEDs on HP ENVY x360 15-eu0xxx ALSA: hda/tas2781: Switch back to use struct i2c_driver's .probe() ASoC: soc-core.c: Do not error if a DAI link component is not found ASoC: codecs: Fix error code in aw88261_i2c_probe() ASoC: audio-graph-card.c: move audio_graph_parse_of() ASoC: cs42l43: Use new-style PM runtime macros ALSA: documentation: Add description for USB MIDI 2.0 gadget driver ALSA: ump: Don't create unused substreams for static blocks ALSA: ump: Fill group names for legacy rawmidi substreams ALSA: usb-audio: Attach legacy rawmidi after probing all UMP EPs ALSA: ac97: Fix possible error value of *rac97 ...
Diffstat (limited to 'sound/soc/codecs/cs42l43-jack.c')
-rw-r--r--sound/soc/codecs/cs42l43-jack.c946
1 files changed, 946 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs42l43-jack.c b/sound/soc/codecs/cs42l43-jack.c
new file mode 100644
index 000000000000..92e37bc1df9d
--- /dev/null
+++ b/sound/soc/codecs/cs42l43-jack.c
@@ -0,0 +1,946 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// CS42L43 CODEC driver jack handling
+//
+// Copyright (C) 2022-2023 Cirrus Logic, Inc. and
+// Cirrus Logic International Semiconductor Ltd.
+
+#include <linux/build_bug.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/irq.h>
+#include <linux/jiffies.h>
+#include <linux/mfd/cs42l43.h>
+#include <linux/mfd/cs42l43-regs.h>
+#include <linux/pm_runtime.h>
+#include <linux/property.h>
+#include <sound/control.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc-component.h>
+#include <sound/soc.h>
+
+#include "cs42l43.h"
+
+static const unsigned int cs42l43_accdet_us[] = {
+ 20, 100, 1000, 10000, 50000, 75000, 100000, 200000
+};
+
+static const unsigned int cs42l43_accdet_db_ms[] = {
+ 0, 125, 250, 500, 750, 1000, 1250, 1500
+};
+
+static const unsigned int cs42l43_accdet_ramp_ms[] = { 10, 40, 90, 170 };
+
+static const unsigned int cs42l43_accdet_bias_sense[] = {
+ 14, 23, 41, 50, 60, 68, 86, 95, 0,
+};
+
+static int cs42l43_find_index(struct cs42l43_codec *priv, const char * const prop,
+ unsigned int defval, unsigned int *val,
+ const unsigned int *values, const int nvalues)
+{
+ struct cs42l43 *cs42l43 = priv->core;
+ int i, ret;
+
+ ret = device_property_read_u32(cs42l43->dev, prop, &defval);
+ if (ret != -EINVAL && ret < 0) {
+ dev_err(priv->dev, "Property %s malformed: %d\n", prop, ret);
+ return ret;
+ }
+
+ if (val)
+ *val = defval;
+
+ for (i = 0; i < nvalues; i++)
+ if (defval == values[i])
+ return i;
+
+ dev_err(priv->dev, "Invalid value for property %s: %d\n", prop, defval);
+ return -EINVAL;
+}
+
+int cs42l43_set_jack(struct snd_soc_component *component,
+ struct snd_soc_jack *jack, void *d)
+{
+ struct cs42l43_codec *priv = snd_soc_component_get_drvdata(component);
+ struct cs42l43 *cs42l43 = priv->core;
+ /* This tip sense invert is always set, HW wants an inverted signal */
+ unsigned int tip_deb = CS42L43_TIPSENSE_INV_MASK;
+ unsigned int hs2 = 0x2 << CS42L43_HSDET_MODE_SHIFT;
+ unsigned int autocontrol = 0, pdncntl = 0;
+ int ret;
+
+ dev_dbg(priv->dev, "Configure accessory detect\n");
+
+ ret = pm_runtime_resume_and_get(priv->dev);
+ if (ret) {
+ dev_err(priv->dev, "Failed to resume for jack config: %d\n", ret);
+ return ret;
+ }
+
+ mutex_lock(&priv->jack_lock);
+
+ priv->jack_hp = jack;
+
+ if (!jack)
+ goto done;
+
+ ret = device_property_count_u32(cs42l43->dev, "cirrus,buttons-ohms");
+ if (ret != -EINVAL) {
+ if (ret < 0) {
+ dev_err(priv->dev, "Property cirrus,buttons-ohms malformed: %d\n",
+ ret);
+ goto error;
+ }
+
+ if (ret > CS42L43_N_BUTTONS) {
+ ret = -EINVAL;
+ dev_err(priv->dev, "Property cirrus,buttons-ohms too many entries\n");
+ goto error;
+ }
+
+ device_property_read_u32_array(cs42l43->dev, "cirrus,buttons-ohms",
+ priv->buttons, ret);
+ } else {
+ priv->buttons[0] = 70;
+ priv->buttons[1] = 185;
+ priv->buttons[2] = 355;
+ priv->buttons[3] = 735;
+ }
+
+ ret = cs42l43_find_index(priv, "cirrus,detect-us", 10000, &priv->detect_us,
+ cs42l43_accdet_us, ARRAY_SIZE(cs42l43_accdet_us));
+ if (ret < 0)
+ goto error;
+
+ hs2 |= ret << CS42L43_AUTO_HSDET_TIME_SHIFT;
+
+ priv->bias_low = device_property_read_bool(cs42l43->dev, "cirrus,bias-low");
+
+ ret = cs42l43_find_index(priv, "cirrus,bias-ramp-ms", 170,
+ &priv->bias_ramp_ms, cs42l43_accdet_ramp_ms,
+ ARRAY_SIZE(cs42l43_accdet_ramp_ms));
+ if (ret < 0)
+ goto error;
+
+ hs2 |= ret << CS42L43_HSBIAS_RAMP_SHIFT;
+
+ ret = cs42l43_find_index(priv, "cirrus,bias-sense-microamp", 0,
+ &priv->bias_sense_ua, cs42l43_accdet_bias_sense,
+ ARRAY_SIZE(cs42l43_accdet_bias_sense));
+ if (ret < 0)
+ goto error;
+
+ if (priv->bias_sense_ua)
+ autocontrol |= ret << CS42L43_HSBIAS_SENSE_TRIP_SHIFT;
+
+ if (!device_property_read_bool(cs42l43->dev, "cirrus,button-automute"))
+ autocontrol |= CS42L43_S0_AUTO_ADCMUTE_DISABLE_MASK;
+
+ ret = device_property_read_u32(cs42l43->dev, "cirrus,tip-debounce-ms",
+ &priv->tip_debounce_ms);
+ if (ret < 0 && ret != -EINVAL) {
+ dev_err(priv->dev, "Property cirrus,tip-debounce-ms malformed: %d\n", ret);
+ goto error;
+ }
+
+ /* This tip sense invert is set normally, as TIPSENSE_INV already inverted */
+ if (device_property_read_bool(cs42l43->dev, "cirrus,tip-invert"))
+ autocontrol |= 0x1 << CS42L43_JACKDET_INV_SHIFT;
+
+ if (device_property_read_bool(cs42l43->dev, "cirrus,tip-disable-pullup"))
+ autocontrol |= 0x1 << CS42L43_JACKDET_MODE_SHIFT;
+ else
+ autocontrol |= 0x3 << CS42L43_JACKDET_MODE_SHIFT;
+
+ ret = cs42l43_find_index(priv, "cirrus,tip-fall-db-ms", 500,
+ NULL, cs42l43_accdet_db_ms,
+ ARRAY_SIZE(cs42l43_accdet_db_ms));
+ if (ret < 0)
+ goto error;
+
+ tip_deb |= ret << CS42L43_TIPSENSE_FALLING_DB_TIME_SHIFT;
+
+ ret = cs42l43_find_index(priv, "cirrus,tip-rise-db-ms", 500,
+ NULL, cs42l43_accdet_db_ms,
+ ARRAY_SIZE(cs42l43_accdet_db_ms));
+ if (ret < 0)
+ goto error;
+
+ tip_deb |= ret << CS42L43_TIPSENSE_RISING_DB_TIME_SHIFT;
+
+ if (device_property_read_bool(cs42l43->dev, "cirrus,use-ring-sense")) {
+ unsigned int ring_deb = 0;
+
+ priv->use_ring_sense = true;
+
+ /* HW wants an inverted signal, so invert the invert */
+ if (!device_property_read_bool(cs42l43->dev, "cirrus,ring-invert"))
+ ring_deb |= CS42L43_RINGSENSE_INV_MASK;
+
+ if (!device_property_read_bool(cs42l43->dev,
+ "cirrus,ring-disable-pullup"))
+ ring_deb |= CS42L43_RINGSENSE_PULLUP_PDNB_MASK;
+
+ ret = cs42l43_find_index(priv, "cirrus,ring-fall-db-ms", 500,
+ NULL, cs42l43_accdet_db_ms,
+ ARRAY_SIZE(cs42l43_accdet_db_ms));
+ if (ret < 0)
+ goto error;
+
+ ring_deb |= ret << CS42L43_RINGSENSE_FALLING_DB_TIME_SHIFT;
+
+ ret = cs42l43_find_index(priv, "cirrus,ring-rise-db-ms", 500,
+ NULL, cs42l43_accdet_db_ms,
+ ARRAY_SIZE(cs42l43_accdet_db_ms));
+ if (ret < 0)
+ goto error;
+
+ ring_deb |= ret << CS42L43_RINGSENSE_RISING_DB_TIME_SHIFT;
+ pdncntl |= CS42L43_RING_SENSE_EN_MASK;
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_RINGSENSE_DEB_CTRL,
+ CS42L43_RINGSENSE_INV_MASK |
+ CS42L43_RINGSENSE_PULLUP_PDNB_MASK |
+ CS42L43_RINGSENSE_FALLING_DB_TIME_MASK |
+ CS42L43_RINGSENSE_RISING_DB_TIME_MASK,
+ ring_deb);
+ }
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_TIPSENSE_DEB_CTRL,
+ CS42L43_TIPSENSE_INV_MASK |
+ CS42L43_TIPSENSE_FALLING_DB_TIME_MASK |
+ CS42L43_TIPSENSE_RISING_DB_TIME_MASK, tip_deb);
+ regmap_update_bits(cs42l43->regmap, CS42L43_HS2,
+ CS42L43_HSBIAS_RAMP_MASK | CS42L43_HSDET_MODE_MASK |
+ CS42L43_AUTO_HSDET_TIME_MASK, hs2);
+
+done:
+ ret = 0;
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_HS_BIAS_SENSE_AND_CLAMP_AUTOCONTROL,
+ CS42L43_JACKDET_MODE_MASK | CS42L43_S0_AUTO_ADCMUTE_DISABLE_MASK |
+ CS42L43_HSBIAS_SENSE_TRIP_MASK, autocontrol);
+ regmap_update_bits(cs42l43->regmap, CS42L43_PDNCNTL,
+ CS42L43_RING_SENSE_EN_MASK, pdncntl);
+
+ dev_dbg(priv->dev, "Successfully configured accessory detect\n");
+
+error:
+ mutex_unlock(&priv->jack_lock);
+
+ pm_runtime_mark_last_busy(priv->dev);
+ pm_runtime_put_autosuspend(priv->dev);
+
+ return ret;
+}
+
+static void cs42l43_start_hs_bias(struct cs42l43_codec *priv, bool force_high)
+{
+ struct cs42l43 *cs42l43 = priv->core;
+ unsigned int val = 0x3 << CS42L43_HSBIAS_MODE_SHIFT;
+
+ dev_dbg(priv->dev, "Start headset bias\n");
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_HS2,
+ CS42L43_HS_CLAMP_DISABLE_MASK, CS42L43_HS_CLAMP_DISABLE_MASK);
+
+ if (!force_high && priv->bias_low)
+ val = 0x2 << CS42L43_HSBIAS_MODE_SHIFT;
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_MIC_DETECT_CONTROL_1,
+ CS42L43_HSBIAS_MODE_MASK, val);
+
+ msleep(priv->bias_ramp_ms);
+}
+
+static void cs42l43_stop_hs_bias(struct cs42l43_codec *priv)
+{
+ struct cs42l43 *cs42l43 = priv->core;
+
+ dev_dbg(priv->dev, "Stop headset bias\n");
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_MIC_DETECT_CONTROL_1,
+ CS42L43_HSBIAS_MODE_MASK, 0x1 << CS42L43_HSBIAS_MODE_SHIFT);
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_HS2,
+ CS42L43_HS_CLAMP_DISABLE_MASK, 0);
+}
+
+irqreturn_t cs42l43_bias_detect_clamp(int irq, void *data)
+{
+ struct cs42l43_codec *priv = data;
+
+ queue_delayed_work(system_wq, &priv->bias_sense_timeout,
+ msecs_to_jiffies(250));
+
+ return IRQ_HANDLED;
+}
+
+#define CS42L43_JACK_PRESENT 0x3
+#define CS42L43_JACK_ABSENT 0x0
+
+#define CS42L43_JACK_OPTICAL (SND_JACK_MECHANICAL | SND_JACK_AVOUT)
+#define CS42L43_JACK_HEADPHONE (SND_JACK_MECHANICAL | SND_JACK_HEADPHONE)
+#define CS42L43_JACK_HEADSET (SND_JACK_MECHANICAL | SND_JACK_HEADSET)
+#define CS42L43_JACK_LINEOUT (SND_JACK_MECHANICAL | SND_JACK_LINEOUT)
+#define CS42L43_JACK_LINEIN (SND_JACK_MECHANICAL | SND_JACK_LINEIN)
+#define CS42L43_JACK_EXTENSION (SND_JACK_MECHANICAL)
+#define CS42L43_JACK_BUTTONS (SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 | \
+ SND_JACK_BTN_3 | SND_JACK_BTN_4 | SND_JACK_BTN_5)
+
+static inline bool cs42l43_jack_present(struct cs42l43_codec *priv)
+{
+ struct cs42l43 *cs42l43 = priv->core;
+ unsigned int sts = 0;
+
+ regmap_read(cs42l43->regmap, CS42L43_TIP_RING_SENSE_INTERRUPT_STATUS, &sts);
+
+ sts = (sts >> CS42L43_TIPSENSE_PLUG_DB_STS_SHIFT) & CS42L43_JACK_PRESENT;
+
+ return sts == CS42L43_JACK_PRESENT;
+}
+
+static void cs42l43_start_button_detect(struct cs42l43_codec *priv)
+{
+ struct cs42l43 *cs42l43 = priv->core;
+ unsigned int val = 0x3 << CS42L43_BUTTON_DETECT_MODE_SHIFT;
+
+ dev_dbg(priv->dev, "Start button detect\n");
+
+ priv->button_detect_running = true;
+
+ if (priv->bias_low)
+ val = 0x1 << CS42L43_BUTTON_DETECT_MODE_SHIFT;
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_MIC_DETECT_CONTROL_1,
+ CS42L43_BUTTON_DETECT_MODE_MASK |
+ CS42L43_MIC_LVL_DET_DISABLE_MASK, val);
+
+ if (priv->bias_sense_ua) {
+ regmap_update_bits(cs42l43->regmap,
+ CS42L43_HS_BIAS_SENSE_AND_CLAMP_AUTOCONTROL,
+ CS42L43_HSBIAS_SENSE_EN_MASK |
+ CS42L43_AUTO_HSBIAS_CLAMP_EN_MASK,
+ CS42L43_HSBIAS_SENSE_EN_MASK |
+ CS42L43_AUTO_HSBIAS_CLAMP_EN_MASK);
+ }
+}
+
+static void cs42l43_stop_button_detect(struct cs42l43_codec *priv)
+{
+ struct cs42l43 *cs42l43 = priv->core;
+
+ dev_dbg(priv->dev, "Stop button detect\n");
+
+ if (priv->bias_sense_ua) {
+ regmap_update_bits(cs42l43->regmap,
+ CS42L43_HS_BIAS_SENSE_AND_CLAMP_AUTOCONTROL,
+ CS42L43_HSBIAS_SENSE_EN_MASK |
+ CS42L43_AUTO_HSBIAS_CLAMP_EN_MASK, 0);
+ }
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_MIC_DETECT_CONTROL_1,
+ CS42L43_BUTTON_DETECT_MODE_MASK |
+ CS42L43_MIC_LVL_DET_DISABLE_MASK,
+ CS42L43_MIC_LVL_DET_DISABLE_MASK);
+
+ priv->button_detect_running = false;
+}
+
+#define CS42L43_BUTTON_COMB_MAX 512
+#define CS42L43_BUTTON_ROUT 2210
+
+void cs42l43_button_press_work(struct work_struct *work)
+{
+ struct cs42l43_codec *priv = container_of(work, struct cs42l43_codec,
+ button_press_work.work);
+ struct cs42l43 *cs42l43 = priv->core;
+ unsigned int buttons = 0;
+ unsigned int val = 0;
+ int i, ret;
+
+ ret = pm_runtime_resume_and_get(priv->dev);
+ if (ret) {
+ dev_err(priv->dev, "Failed to resume for button press: %d\n", ret);
+ return;
+ }
+
+ mutex_lock(&priv->jack_lock);
+
+ if (!priv->button_detect_running) {
+ dev_dbg(priv->dev, "Spurious button press IRQ\n");
+ goto error;
+ }
+
+ regmap_read(cs42l43->regmap, CS42L43_DETECT_STATUS_1, &val);
+
+ /* Bail if jack removed, the button is irrelevant and likely invalid */
+ if (!cs42l43_jack_present(priv)) {
+ dev_dbg(priv->dev, "Button ignored due to removal\n");
+ goto error;
+ }
+
+ if (val & CS42L43_HSBIAS_CLAMP_STS_MASK) {
+ dev_dbg(priv->dev, "Button ignored due to bias sense\n");
+ goto error;
+ }
+
+ val = (val & CS42L43_HSDET_DC_STS_MASK) >> CS42L43_HSDET_DC_STS_SHIFT;
+ val = ((CS42L43_BUTTON_COMB_MAX << 20) / (val + 1)) - (1 << 20);
+ if (val)
+ val = (CS42L43_BUTTON_ROUT << 20) / val;
+ else
+ val = UINT_MAX;
+
+ for (i = 0; i < CS42L43_N_BUTTONS; i++) {
+ if (val < priv->buttons[i]) {
+ buttons = SND_JACK_BTN_0 >> i;
+ dev_dbg(priv->dev, "Detected button %d at %d Ohms\n", i, val);
+ break;
+ }
+ }
+
+ if (!buttons)
+ dev_dbg(priv->dev, "Unrecognised button: %d Ohms\n", val);
+
+ snd_soc_jack_report(priv->jack_hp, buttons, CS42L43_JACK_BUTTONS);
+
+error:
+ mutex_unlock(&priv->jack_lock);
+
+ pm_runtime_mark_last_busy(priv->dev);
+ pm_runtime_put_autosuspend(priv->dev);
+}
+
+irqreturn_t cs42l43_button_press(int irq, void *data)
+{
+ struct cs42l43_codec *priv = data;
+
+ // Wait for 2 full cycles of comb filter to ensure good reading
+ queue_delayed_work(system_wq, &priv->button_press_work,
+ msecs_to_jiffies(10));
+
+ return IRQ_HANDLED;
+}
+
+void cs42l43_button_release_work(struct work_struct *work)
+{
+ struct cs42l43_codec *priv = container_of(work, struct cs42l43_codec,
+ button_release_work);
+ int ret;
+
+ ret = pm_runtime_resume_and_get(priv->dev);
+ if (ret) {
+ dev_err(priv->dev, "Failed to resume for button release: %d\n", ret);
+ return;
+ }
+
+ mutex_lock(&priv->jack_lock);
+
+ if (priv->button_detect_running) {
+ dev_dbg(priv->dev, "Button release IRQ\n");
+
+ snd_soc_jack_report(priv->jack_hp, 0, CS42L43_JACK_BUTTONS);
+ } else {
+ dev_dbg(priv->dev, "Spurious button release IRQ\n");
+ }
+
+ mutex_unlock(&priv->jack_lock);
+
+ pm_runtime_mark_last_busy(priv->dev);
+ pm_runtime_put_autosuspend(priv->dev);
+}
+
+irqreturn_t cs42l43_button_release(int irq, void *data)
+{
+ struct cs42l43_codec *priv = data;
+
+ queue_work(system_wq, &priv->button_release_work);
+
+ return IRQ_HANDLED;
+}
+
+void cs42l43_bias_sense_timeout(struct work_struct *work)
+{
+ struct cs42l43_codec *priv = container_of(work, struct cs42l43_codec,
+ bias_sense_timeout.work);
+ struct cs42l43 *cs42l43 = priv->core;
+ int ret;
+
+ ret = pm_runtime_resume_and_get(priv->dev);
+ if (ret) {
+ dev_err(priv->dev, "Failed to resume for bias sense: %d\n", ret);
+ return;
+ }
+
+ mutex_lock(&priv->jack_lock);
+
+ if (cs42l43_jack_present(priv) && priv->button_detect_running) {
+ dev_dbg(priv->dev, "Bias sense timeout out, restore bias\n");
+
+ regmap_update_bits(cs42l43->regmap,
+ CS42L43_HS_BIAS_SENSE_AND_CLAMP_AUTOCONTROL,
+ CS42L43_AUTO_HSBIAS_CLAMP_EN_MASK, 0);
+ regmap_update_bits(cs42l43->regmap,
+ CS42L43_HS_BIAS_SENSE_AND_CLAMP_AUTOCONTROL,
+ CS42L43_AUTO_HSBIAS_CLAMP_EN_MASK,
+ CS42L43_AUTO_HSBIAS_CLAMP_EN_MASK);
+ }
+
+ mutex_unlock(&priv->jack_lock);
+
+ pm_runtime_mark_last_busy(priv->dev);
+ pm_runtime_put_autosuspend(priv->dev);
+}
+
+static void cs42l43_start_load_detect(struct cs42l43_codec *priv)
+{
+ struct cs42l43 *cs42l43 = priv->core;
+
+ dev_dbg(priv->dev, "Start load detect\n");
+
+ snd_soc_dapm_mutex_lock(snd_soc_component_get_dapm(priv->component));
+
+ priv->load_detect_running = true;
+
+ if (priv->hp_ena) {
+ unsigned long time_left;
+
+ reinit_completion(&priv->hp_shutdown);
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_BLOCK_EN8,
+ CS42L43_HP_EN_MASK, 0);
+
+ time_left = wait_for_completion_timeout(&priv->hp_shutdown,
+ msecs_to_jiffies(CS42L43_HP_TIMEOUT_MS));
+ if (!time_left)
+ dev_err(priv->dev, "Load detect HP power down timed out\n");
+ }
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_BLOCK_EN3,
+ CS42L43_ADC1_EN_MASK | CS42L43_ADC2_EN_MASK, 0);
+ regmap_update_bits(cs42l43->regmap, CS42L43_DACCNFG2, CS42L43_HP_HPF_EN_MASK, 0);
+ regmap_update_bits(cs42l43->regmap, CS42L43_MIC_DETECT_CONTROL_1,
+ CS42L43_HSBIAS_MODE_MASK, 0);
+ regmap_update_bits(cs42l43->regmap, CS42L43_CTRL,
+ CS42L43_ADPTPWR_MODE_MASK, 0x4 << CS42L43_ADPTPWR_MODE_SHIFT);
+ regmap_update_bits(cs42l43->regmap, CS42L43_PGAVOL,
+ CS42L43_HP_DIG_VOL_RAMP_MASK | CS42L43_HP_ANA_VOL_RAMP_MASK, 0x6);
+ regmap_update_bits(cs42l43->regmap, CS42L43_DACCNFG1,
+ CS42L43_HP_MSTR_VOL_CTRL_EN_MASK, 0);
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_HS2,
+ CS42L43_HS_CLAMP_DISABLE_MASK, CS42L43_HS_CLAMP_DISABLE_MASK);
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_LOADDETENA,
+ CS42L43_HPLOAD_DET_EN_MASK,
+ CS42L43_HPLOAD_DET_EN_MASK);
+
+ snd_soc_dapm_mutex_unlock(snd_soc_component_get_dapm(priv->component));
+}
+
+static void cs42l43_stop_load_detect(struct cs42l43_codec *priv)
+{
+ struct cs42l43 *cs42l43 = priv->core;
+
+ dev_dbg(priv->dev, "Stop load detect\n");
+
+ snd_soc_dapm_mutex_lock(snd_soc_component_get_dapm(priv->component));
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_LOADDETENA,
+ CS42L43_HPLOAD_DET_EN_MASK, 0);
+ regmap_update_bits(cs42l43->regmap, CS42L43_HS2,
+ CS42L43_HS_CLAMP_DISABLE_MASK, 0);
+ regmap_update_bits(cs42l43->regmap, CS42L43_DACCNFG1,
+ CS42L43_HP_MSTR_VOL_CTRL_EN_MASK,
+ CS42L43_HP_MSTR_VOL_CTRL_EN_MASK);
+ regmap_update_bits(cs42l43->regmap, CS42L43_PGAVOL,
+ CS42L43_HP_DIG_VOL_RAMP_MASK | CS42L43_HP_ANA_VOL_RAMP_MASK,
+ 0x4 << CS42L43_HP_DIG_VOL_RAMP_SHIFT);
+ regmap_update_bits(cs42l43->regmap, CS42L43_CTRL,
+ CS42L43_ADPTPWR_MODE_MASK, 0x7 << CS42L43_ADPTPWR_MODE_SHIFT);
+ regmap_update_bits(cs42l43->regmap, CS42L43_MIC_DETECT_CONTROL_1,
+ CS42L43_HSBIAS_MODE_MASK, 0x1 << CS42L43_HSBIAS_MODE_SHIFT);
+ regmap_update_bits(cs42l43->regmap, CS42L43_DACCNFG2,
+ CS42L43_HP_HPF_EN_MASK, CS42L43_HP_HPF_EN_MASK);
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_BLOCK_EN3,
+ CS42L43_ADC1_EN_MASK | CS42L43_ADC2_EN_MASK,
+ priv->adc_ena);
+
+ if (priv->hp_ena) {
+ unsigned long time_left;
+
+ reinit_completion(&priv->hp_startup);
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_BLOCK_EN8,
+ CS42L43_HP_EN_MASK, priv->hp_ena);
+
+ time_left = wait_for_completion_timeout(&priv->hp_startup,
+ msecs_to_jiffies(CS42L43_HP_TIMEOUT_MS));
+ if (!time_left)
+ dev_err(priv->dev, "Load detect HP restore timed out\n");
+ }
+
+ priv->load_detect_running = false;
+
+ snd_soc_dapm_mutex_unlock(snd_soc_component_get_dapm(priv->component));
+}
+
+static int cs42l43_run_load_detect(struct cs42l43_codec *priv, bool mic)
+{
+ struct cs42l43 *cs42l43 = priv->core;
+ unsigned int val = 0;
+ unsigned long time_left;
+
+ reinit_completion(&priv->load_detect);
+
+ cs42l43_start_load_detect(priv);
+ time_left = wait_for_completion_timeout(&priv->load_detect,
+ msecs_to_jiffies(CS42L43_LOAD_TIMEOUT_MS));
+ cs42l43_stop_load_detect(priv);
+
+ if (!time_left)
+ return -ETIMEDOUT;
+
+ regmap_read(cs42l43->regmap, CS42L43_LOADDETRESULTS, &val);
+
+ dev_dbg(priv->dev, "Headphone load detect: 0x%x\n", val);
+
+ /* Bail if jack removed, the load is irrelevant and likely invalid */
+ if (!cs42l43_jack_present(priv))
+ return -ENODEV;
+
+ if (mic) {
+ cs42l43_start_hs_bias(priv, false);
+ cs42l43_start_button_detect(priv);
+
+ return CS42L43_JACK_HEADSET;
+ }
+
+ switch (val & CS42L43_AMP3_RES_DET_MASK) {
+ case 0x0: // low impedance
+ case 0x1: // high impedance
+ return CS42L43_JACK_HEADPHONE;
+ case 0x2: // lineout
+ case 0x3: // Open circuit
+ return CS42L43_JACK_LINEOUT;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int cs42l43_run_type_detect(struct cs42l43_codec *priv)
+{
+ struct cs42l43 *cs42l43 = priv->core;
+ int timeout_ms = ((2 * priv->detect_us) / 1000) + 200;
+ unsigned int type = 0xff;
+ unsigned long time_left;
+
+ reinit_completion(&priv->type_detect);
+
+ cs42l43_start_hs_bias(priv, true);
+ regmap_update_bits(cs42l43->regmap, CS42L43_HS2,
+ CS42L43_HSDET_MODE_MASK, 0x3 << CS42L43_HSDET_MODE_SHIFT);
+
+ time_left = wait_for_completion_timeout(&priv->type_detect,
+ msecs_to_jiffies(timeout_ms));
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_HS2,
+ CS42L43_HSDET_MODE_MASK, 0x2 << CS42L43_HSDET_MODE_SHIFT);
+ cs42l43_stop_hs_bias(priv);
+
+ if (!time_left)
+ return -ETIMEDOUT;
+
+ regmap_read(cs42l43->regmap, CS42L43_HS_STAT, &type);
+
+ dev_dbg(priv->dev, "Type detect: 0x%x\n", type);
+
+ /* Bail if jack removed, the type is irrelevant and likely invalid */
+ if (!cs42l43_jack_present(priv))
+ return -ENODEV;
+
+ switch (type & CS42L43_HSDET_TYPE_STS_MASK) {
+ case 0x0: // CTIA
+ case 0x1: // OMTP
+ return cs42l43_run_load_detect(priv, true);
+ case 0x2: // 3-pole
+ return cs42l43_run_load_detect(priv, false);
+ case 0x3: // Open-circuit
+ return CS42L43_JACK_EXTENSION;
+ default:
+ return -EINVAL;
+ }
+}
+
+static void cs42l43_clear_jack(struct cs42l43_codec *priv)
+{
+ struct cs42l43 *cs42l43 = priv->core;
+
+ cs42l43_stop_button_detect(priv);
+ cs42l43_stop_hs_bias(priv);
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_ADC_B_CTRL1,
+ CS42L43_PGA_WIDESWING_MODE_EN_MASK, 0);
+ regmap_update_bits(cs42l43->regmap, CS42L43_ADC_B_CTRL2,
+ CS42L43_PGA_WIDESWING_MODE_EN_MASK, 0);
+ regmap_update_bits(cs42l43->regmap, CS42L43_STEREO_MIC_CTRL,
+ CS42L43_JACK_STEREO_CONFIG_MASK, 0);
+ regmap_update_bits(cs42l43->regmap, CS42L43_HS2,
+ CS42L43_HSDET_MODE_MASK | CS42L43_HSDET_MANUAL_MODE_MASK,
+ 0x2 << CS42L43_HSDET_MODE_SHIFT);
+
+ snd_soc_jack_report(priv->jack_hp, 0, 0xFFFF);
+}
+
+void cs42l43_tip_sense_work(struct work_struct *work)
+{
+ struct cs42l43_codec *priv = container_of(work, struct cs42l43_codec,
+ tip_sense_work.work);
+ struct cs42l43 *cs42l43 = priv->core;
+ unsigned int sts = 0;
+ unsigned int tip, ring;
+ int ret, report;
+
+ ret = pm_runtime_resume_and_get(priv->dev);
+ if (ret) {
+ dev_err(priv->dev, "Failed to resume for tip work: %d\n", ret);
+ return;
+ }
+
+ mutex_lock(&priv->jack_lock);
+
+ regmap_read(cs42l43->regmap, CS42L43_TIP_RING_SENSE_INTERRUPT_STATUS, &sts);
+
+ dev_dbg(priv->dev, "Tip sense: 0x%x\n", sts);
+
+ tip = (sts >> CS42L43_TIPSENSE_PLUG_DB_STS_SHIFT) & CS42L43_JACK_PRESENT;
+ ring = (sts >> CS42L43_RINGSENSE_PLUG_DB_STS_SHIFT) & CS42L43_JACK_PRESENT;
+
+ if (tip == CS42L43_JACK_PRESENT) {
+ if (cs42l43->sdw && !priv->jack_present) {
+ priv->jack_present = true;
+ pm_runtime_get(priv->dev);
+ }
+
+ if (priv->use_ring_sense && ring == CS42L43_JACK_ABSENT) {
+ report = CS42L43_JACK_OPTICAL;
+ } else {
+ report = cs42l43_run_type_detect(priv);
+ if (report < 0) {
+ dev_err(priv->dev, "Jack detect failed: %d\n", report);
+ goto error;
+ }
+ }
+
+ snd_soc_jack_report(priv->jack_hp, report, report);
+ } else {
+ priv->jack_override = 0;
+
+ cs42l43_clear_jack(priv);
+
+ if (cs42l43->sdw && priv->jack_present) {
+ pm_runtime_put(priv->dev);
+ priv->jack_present = false;
+ }
+ }
+
+error:
+ mutex_unlock(&priv->jack_lock);
+
+ pm_runtime_mark_last_busy(priv->dev);
+ pm_runtime_put_autosuspend(priv->dev);
+}
+
+irqreturn_t cs42l43_tip_sense(int irq, void *data)
+{
+ struct cs42l43_codec *priv = data;
+
+ cancel_delayed_work(&priv->bias_sense_timeout);
+ cancel_delayed_work(&priv->tip_sense_work);
+ cancel_delayed_work(&priv->button_press_work);
+ cancel_work(&priv->button_release_work);
+
+ queue_delayed_work(system_long_wq, &priv->tip_sense_work,
+ msecs_to_jiffies(priv->tip_debounce_ms));
+
+ return IRQ_HANDLED;
+}
+
+enum cs42l43_raw_jack {
+ CS42L43_JACK_RAW_CTIA = 0,
+ CS42L43_JACK_RAW_OMTP,
+ CS42L43_JACK_RAW_HEADPHONE,
+ CS42L43_JACK_RAW_LINE_OUT,
+ CS42L43_JACK_RAW_LINE_IN,
+ CS42L43_JACK_RAW_MICROPHONE,
+ CS42L43_JACK_RAW_OPTICAL,
+};
+
+#define CS42L43_JACK_3_POLE_SWITCHES ((0x2 << CS42L43_HSDET_MANUAL_MODE_SHIFT) | \
+ CS42L43_AMP3_4_GNDREF_HS3_SEL_MASK | \
+ CS42L43_AMP3_4_GNDREF_HS4_SEL_MASK | \
+ CS42L43_HSBIAS_GNDREF_HS3_SEL_MASK | \
+ CS42L43_HSBIAS_GNDREF_HS4_SEL_MASK | \
+ CS42L43_HSGND_HS3_SEL_MASK | \
+ CS42L43_HSGND_HS4_SEL_MASK)
+
+static const struct cs42l43_jack_override_mode {
+ unsigned int hsdet_mode;
+ unsigned int mic_ctrl;
+ unsigned int clamp_ctrl;
+ int report;
+} cs42l43_jack_override_modes[] = {
+ [CS42L43_JACK_RAW_CTIA] = {
+ .hsdet_mode = CS42L43_AMP3_4_GNDREF_HS3_SEL_MASK |
+ CS42L43_HSBIAS_GNDREF_HS3_SEL_MASK |
+ CS42L43_HSBIAS_OUT_HS4_SEL_MASK |
+ CS42L43_HSGND_HS3_SEL_MASK,
+ .clamp_ctrl = CS42L43_SMIC_HPAMP_CLAMP_DIS_FRC_MASK,
+ .report = CS42L43_JACK_HEADSET,
+ },
+ [CS42L43_JACK_RAW_OMTP] = {
+ .hsdet_mode = (0x1 << CS42L43_HSDET_MANUAL_MODE_SHIFT) |
+ CS42L43_AMP3_4_GNDREF_HS4_SEL_MASK |
+ CS42L43_HSBIAS_GNDREF_HS4_SEL_MASK |
+ CS42L43_HSBIAS_OUT_HS3_SEL_MASK |
+ CS42L43_HSGND_HS4_SEL_MASK,
+ .clamp_ctrl = CS42L43_SMIC_HPAMP_CLAMP_DIS_FRC_MASK,
+ .report = CS42L43_JACK_HEADSET,
+ },
+ [CS42L43_JACK_RAW_HEADPHONE] = {
+ .hsdet_mode = CS42L43_JACK_3_POLE_SWITCHES,
+ .clamp_ctrl = CS42L43_SMIC_HPAMP_CLAMP_DIS_FRC_MASK,
+ .report = CS42L43_JACK_HEADPHONE,
+ },
+ [CS42L43_JACK_RAW_LINE_OUT] = {
+ .hsdet_mode = CS42L43_JACK_3_POLE_SWITCHES,
+ .clamp_ctrl = CS42L43_SMIC_HPAMP_CLAMP_DIS_FRC_MASK,
+ .report = CS42L43_JACK_LINEOUT,
+ },
+ [CS42L43_JACK_RAW_LINE_IN] = {
+ .hsdet_mode = CS42L43_JACK_3_POLE_SWITCHES,
+ .mic_ctrl = 0x2 << CS42L43_JACK_STEREO_CONFIG_SHIFT,
+ .report = CS42L43_JACK_LINEIN,
+ },
+ [CS42L43_JACK_RAW_MICROPHONE] = {
+ .hsdet_mode = CS42L43_JACK_3_POLE_SWITCHES,
+ .mic_ctrl = (0x3 << CS42L43_JACK_STEREO_CONFIG_SHIFT) |
+ CS42L43_HS1_BIAS_EN_MASK | CS42L43_HS2_BIAS_EN_MASK,
+ .report = CS42L43_JACK_LINEIN,
+ },
+ [CS42L43_JACK_RAW_OPTICAL] = {
+ .hsdet_mode = CS42L43_JACK_3_POLE_SWITCHES,
+ .clamp_ctrl = CS42L43_SMIC_HPAMP_CLAMP_DIS_FRC_MASK,
+ .report = CS42L43_JACK_OPTICAL,
+ },
+};
+
+static const char * const cs42l43_jack_text[] = {
+ "None", "CTIA", "OMTP", "Headphone", "Line-Out",
+ "Line-In", "Microphone", "Optical",
+};
+
+SOC_ENUM_SINGLE_VIRT_DECL(cs42l43_jack_enum, cs42l43_jack_text);
+
+int cs42l43_jack_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct cs42l43_codec *priv = snd_soc_component_get_drvdata(component);
+
+ mutex_lock(&priv->jack_lock);
+ ucontrol->value.integer.value[0] = priv->jack_override;
+ mutex_unlock(&priv->jack_lock);
+
+ return 0;
+}
+
+int cs42l43_jack_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct cs42l43_codec *priv = snd_soc_component_get_drvdata(component);
+ struct cs42l43 *cs42l43 = priv->core;
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned int override = ucontrol->value.integer.value[0];
+
+ BUILD_BUG_ON(ARRAY_SIZE(cs42l43_jack_override_modes) !=
+ ARRAY_SIZE(cs42l43_jack_text) - 1);
+
+ if (override >= e->items)
+ return -EINVAL;
+
+ mutex_lock(&priv->jack_lock);
+
+ if (!cs42l43_jack_present(priv)) {
+ mutex_unlock(&priv->jack_lock);
+ return -EBUSY;
+ }
+
+ if (override == priv->jack_override) {
+ mutex_unlock(&priv->jack_lock);
+ return 0;
+ }
+
+ priv->jack_override = override;
+
+ cs42l43_clear_jack(priv);
+
+ if (!override) {
+ queue_delayed_work(system_long_wq, &priv->tip_sense_work, 0);
+ } else {
+ override--;
+
+ regmap_update_bits(cs42l43->regmap, CS42L43_HS2,
+ CS42L43_HSDET_MODE_MASK |
+ CS42L43_HSDET_MANUAL_MODE_MASK |
+ CS42L43_AMP3_4_GNDREF_HS3_SEL_MASK |
+ CS42L43_AMP3_4_GNDREF_HS4_SEL_MASK |
+ CS42L43_HSBIAS_GNDREF_HS3_SEL_MASK |
+ CS42L43_HSBIAS_GNDREF_HS4_SEL_MASK |
+ CS42L43_HSBIAS_OUT_HS3_SEL_MASK |
+ CS42L43_HSBIAS_OUT_HS4_SEL_MASK |
+ CS42L43_HSGND_HS3_SEL_MASK |
+ CS42L43_HSGND_HS4_SEL_MASK,
+ cs42l43_jack_override_modes[override].hsdet_mode);
+ regmap_update_bits(cs42l43->regmap, CS42L43_STEREO_MIC_CTRL,
+ CS42L43_HS2_BIAS_EN_MASK | CS42L43_HS1_BIAS_EN_MASK |
+ CS42L43_JACK_STEREO_CONFIG_MASK,
+ cs42l43_jack_override_modes[override].mic_ctrl);
+ regmap_update_bits(cs42l43->regmap, CS42L43_STEREO_MIC_CLAMP_CTRL,
+ CS42L43_SMIC_HPAMP_CLAMP_DIS_FRC_MASK,
+ cs42l43_jack_override_modes[override].clamp_ctrl);
+
+ switch (override) {
+ case CS42L43_JACK_RAW_CTIA:
+ case CS42L43_JACK_RAW_OMTP:
+ cs42l43_start_hs_bias(priv, false);
+ cs42l43_start_button_detect(priv);
+ break;
+ case CS42L43_JACK_RAW_LINE_IN:
+ regmap_update_bits(cs42l43->regmap, CS42L43_ADC_B_CTRL1,
+ CS42L43_PGA_WIDESWING_MODE_EN_MASK,
+ CS42L43_PGA_WIDESWING_MODE_EN_MASK);
+ regmap_update_bits(cs42l43->regmap, CS42L43_ADC_B_CTRL2,
+ CS42L43_PGA_WIDESWING_MODE_EN_MASK,
+ CS42L43_PGA_WIDESWING_MODE_EN_MASK);
+ break;
+ case CS42L43_JACK_RAW_MICROPHONE:
+ cs42l43_start_hs_bias(priv, false);
+ break;
+ default:
+ break;
+ }
+
+ snd_soc_jack_report(priv->jack_hp,
+ cs42l43_jack_override_modes[override].report,
+ cs42l43_jack_override_modes[override].report);
+ }
+
+ mutex_unlock(&priv->jack_lock);
+
+ return 1;
+}