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Diffstat (limited to 'sound/soc/codecs/wcd938x.c')
-rw-r--r--sound/soc/codecs/wcd938x.c131
1 files changed, 71 insertions, 60 deletions
diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c
index 1ae498c32391..711f373ece24 100644
--- a/sound/soc/codecs/wcd938x.c
+++ b/sound/soc/codecs/wcd938x.c
@@ -11,7 +11,6 @@
#include <linux/pm_runtime.h>
#include <linux/component.h>
#include <sound/tlv.h>
-#include <linux/of_gpio.h>
#include <linux/of.h>
#include <sound/jack.h>
#include <sound/pcm.h>
@@ -19,14 +18,17 @@
#include <linux/regmap.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
+#include <linux/mux/consumer.h>
#include <linux/regulator/consumer.h>
#include "wcd-clsh-v2.h"
#include "wcd-mbhc-v2.h"
#include "wcd938x.h"
+#define CHIPID_WCD9380 0x0
+#define CHIPID_WCD9385 0x5
+
#define WCD938X_MAX_MICBIAS (4)
-#define WCD938X_MAX_SUPPLY (4)
#define WCD938X_MBHC_MAX_BUTTONS (8)
#define TX_ADC_MAX (4)
@@ -74,11 +76,6 @@
wcd938x_ear_pa_put_gain, tlv_array)
enum {
- WCD9380 = 0,
- WCD9385 = 5,
-};
-
-enum {
/* INTR_CTRL_INT_MASK_0 */
WCD938X_IRQ_MBHC_BUTTON_PRESS_DET = 0,
WCD938X_IRQ_MBHC_BUTTON_RELEASE_DET,
@@ -159,9 +156,7 @@ struct wcd938x_priv {
struct wcd_mbhc_intr intr_ids;
struct wcd_clsh_ctrl *clsh_info;
struct irq_domain *virq;
- struct regmap_irq_chip *wcd_regmap_irq_chip;
struct regmap_irq_chip_data *irq_chip;
- struct regulator_bulk_data supplies[WCD938X_MAX_SUPPLY];
struct snd_soc_jack *jack;
unsigned long status_mask;
s32 micb_ref[WCD938X_MAX_MICBIAS];
@@ -170,9 +165,10 @@ struct wcd938x_priv {
u32 tx_mode[TX_ADC_MAX];
int flyback_cur_det_disable;
int ear_rx_path;
- int variant;
- int reset_gpio;
+ struct gpio_desc *reset_gpio;
struct gpio_desc *us_euro_gpio;
+ struct mux_control *us_euro_mux;
+ unsigned int mux_state;
u32 micb1_mv;
u32 micb2_mv;
u32 micb3_mv;
@@ -183,6 +179,11 @@ struct wcd938x_priv {
bool comp1_enable;
bool comp2_enable;
bool ldoh;
+ bool mux_setup_done;
+};
+
+static const char * const wcd938x_supplies[] = {
+ "vdd-rxtx", "vdd-io", "vdd-buck", "vdd-mic-bias",
};
static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(ear_pa_gain, 600, -1800);
@@ -272,7 +273,7 @@ static const struct regmap_irq wcd938x_irqs[WCD938X_NUM_IRQS] = {
REGMAP_IRQ_REG(WCD938X_IRQ_HPHR_SURGE_DET_INT, 2, 0x08),
};
-static struct regmap_irq_chip wcd938x_regmap_irq_chip = {
+static const struct regmap_irq_chip wcd938x_regmap_irq_chip = {
.name = "wcd938x",
.irqs = wcd938x_irqs,
.num_irqs = ARRAY_SIZE(wcd938x_irqs),
@@ -3043,6 +3044,7 @@ static int wcd938x_soc_codec_probe(struct snd_soc_component *component)
struct sdw_slave *tx_sdw_dev = wcd938x->tx_sdw_dev;
struct device *dev = component->dev;
unsigned long time_left;
+ unsigned int variant;
int ret, i;
time_left = wait_for_completion_timeout(&tx_sdw_dev->initialization_complete,
@@ -3058,9 +3060,9 @@ static int wcd938x_soc_codec_probe(struct snd_soc_component *component)
if (ret < 0)
return ret;
- wcd938x->variant = snd_soc_component_read_field(component,
- WCD938X_DIGITAL_EFUSE_REG_0,
- WCD938X_ID_MASK);
+ variant = snd_soc_component_read_field(component,
+ WCD938X_DIGITAL_EFUSE_REG_0,
+ WCD938X_ID_MASK);
wcd938x->clsh_info = wcd_clsh_ctrl_alloc(component, WCD938X);
if (IS_ERR(wcd938x->clsh_info)) {
@@ -3114,24 +3116,24 @@ static int wcd938x_soc_codec_probe(struct snd_soc_component *component)
disable_irq_nosync(wcd938x->hphl_pdm_wd_int);
disable_irq_nosync(wcd938x->aux_pdm_wd_int);
- switch (wcd938x->variant) {
- case WCD9380:
+ switch (variant) {
+ case CHIPID_WCD9380:
ret = snd_soc_add_component_controls(component, wcd9380_snd_controls,
ARRAY_SIZE(wcd9380_snd_controls));
if (ret < 0) {
dev_err(component->dev,
"%s: Failed to add snd ctrls for variant: %d\n",
- __func__, wcd938x->variant);
+ __func__, variant);
goto err_free_aux_pdm_wd_int;
}
break;
- case WCD9385:
+ case CHIPID_WCD9385:
ret = snd_soc_add_component_controls(component, wcd9385_snd_controls,
ARRAY_SIZE(wcd9385_snd_controls));
if (ret < 0) {
dev_err(component->dev,
"%s: Failed to add snd ctrls for variant: %d\n",
- __func__, wcd938x->variant);
+ __func__, variant);
goto err_free_aux_pdm_wd_int;
}
break;
@@ -3230,17 +3232,28 @@ static void wcd938x_dt_parse_micbias_info(struct device *dev, struct wcd938x_pri
dev_info(dev, "%s: Micbias4 DT property not found\n", __func__);
}
-static bool wcd938x_swap_gnd_mic(struct snd_soc_component *component, bool active)
+static bool wcd938x_swap_gnd_mic(struct snd_soc_component *component)
{
- int value;
-
- struct wcd938x_priv *wcd938x;
+ struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
+ struct device *dev = component->dev;
+ int ret;
- wcd938x = snd_soc_component_get_drvdata(component);
+ if (wcd938x->us_euro_mux) {
+ if (wcd938x->mux_setup_done)
+ mux_control_deselect(wcd938x->us_euro_mux);
- value = gpiod_get_value(wcd938x->us_euro_gpio);
+ ret = mux_control_try_select(wcd938x->us_euro_mux, !wcd938x->mux_state);
+ if (ret) {
+ dev_err(dev, "Error (%d) Unable to select us/euro mux state\n", ret);
+ wcd938x->mux_setup_done = false;
+ return false;
+ }
+ wcd938x->mux_setup_done = true;
+ } else {
+ gpiod_set_value(wcd938x->us_euro_gpio, !wcd938x->mux_state);
+ }
- gpiod_set_value(wcd938x->us_euro_gpio, !value);
+ wcd938x->mux_state = !wcd938x->mux_state;
return true;
}
@@ -3251,33 +3264,37 @@ static int wcd938x_populate_dt_data(struct wcd938x_priv *wcd938x, struct device
struct wcd_mbhc_config *cfg = &wcd938x->mbhc_cfg;
int ret;
- wcd938x->reset_gpio = of_get_named_gpio(dev->of_node, "reset-gpios", 0);
- if (wcd938x->reset_gpio < 0)
- return dev_err_probe(dev, wcd938x->reset_gpio,
+ wcd938x->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(wcd938x->reset_gpio))
+ return dev_err_probe(dev, PTR_ERR(wcd938x->reset_gpio),
"Failed to get reset gpio\n");
- wcd938x->us_euro_gpio = devm_gpiod_get_optional(dev, "us-euro",
- GPIOD_OUT_LOW);
- if (IS_ERR(wcd938x->us_euro_gpio))
- return dev_err_probe(dev, PTR_ERR(wcd938x->us_euro_gpio),
- "us-euro swap Control GPIO not found\n");
+ if (of_property_present(dev->of_node, "mux-controls")) {
+ wcd938x->us_euro_mux = devm_mux_control_get(dev, NULL);
+ if (IS_ERR(wcd938x->us_euro_mux)) {
+ ret = PTR_ERR(wcd938x->us_euro_mux);
+ return dev_err_probe(dev, ret, "failed to get mux control\n");
+ }
- cfg->swap_gnd_mic = wcd938x_swap_gnd_mic;
+ ret = mux_control_try_select(wcd938x->us_euro_mux, wcd938x->mux_state);
+ if (ret) {
+ dev_err(dev, "Error (%d) Unable to select us/euro mux state\n", ret);
+ return ret;
+ }
+ wcd938x->mux_setup_done = true;
+ } else {
+ wcd938x->us_euro_gpio = devm_gpiod_get_optional(dev, "us-euro", GPIOD_OUT_LOW);
+ if (IS_ERR(wcd938x->us_euro_gpio))
+ return dev_err_probe(dev, PTR_ERR(wcd938x->us_euro_gpio),
+ "us-euro swap Control GPIO not found\n");
+ }
- wcd938x->supplies[0].supply = "vdd-rxtx";
- wcd938x->supplies[1].supply = "vdd-io";
- wcd938x->supplies[2].supply = "vdd-buck";
- wcd938x->supplies[3].supply = "vdd-mic-bias";
+ cfg->swap_gnd_mic = wcd938x_swap_gnd_mic;
- ret = regulator_bulk_get(dev, WCD938X_MAX_SUPPLY, wcd938x->supplies);
+ ret = devm_regulator_bulk_get_enable(dev, ARRAY_SIZE(wcd938x_supplies),
+ wcd938x_supplies);
if (ret)
- return dev_err_probe(dev, ret, "Failed to get supplies\n");
-
- ret = regulator_bulk_enable(WCD938X_MAX_SUPPLY, wcd938x->supplies);
- if (ret) {
- regulator_bulk_free(WCD938X_MAX_SUPPLY, wcd938x->supplies);
- return dev_err_probe(dev, ret, "Failed to enable supplies\n");
- }
+ return dev_err_probe(dev, ret, "Failed to get and enable supplies\n");
wcd938x_dt_parse_micbias_info(dev, wcd938x);
@@ -3297,10 +3314,10 @@ static int wcd938x_populate_dt_data(struct wcd938x_priv *wcd938x, struct device
static int wcd938x_reset(struct wcd938x_priv *wcd938x)
{
- gpio_direction_output(wcd938x->reset_gpio, 0);
+ gpiod_set_value(wcd938x->reset_gpio, 1);
/* 20us sleep required after pulling the reset gpio to LOW */
usleep_range(20, 30);
- gpio_set_value(wcd938x->reset_gpio, 1);
+ gpiod_set_value(wcd938x->reset_gpio, 0);
/* 20us sleep required after pulling the reset gpio to HIGH */
usleep_range(20, 30);
@@ -3541,13 +3558,13 @@ static int wcd938x_probe(struct platform_device *pdev)
ret = wcd938x_add_slave_components(wcd938x, dev, &match);
if (ret)
- goto err_disable_regulators;
+ return ret;
wcd938x_reset(wcd938x);
ret = component_master_add_with_match(dev, &wcd938x_comp_ops, match);
if (ret)
- goto err_disable_regulators;
+ return ret;
pm_runtime_set_autosuspend_delay(dev, 1000);
pm_runtime_use_autosuspend(dev);
@@ -3557,12 +3574,6 @@ static int wcd938x_probe(struct platform_device *pdev)
pm_runtime_idle(dev);
return 0;
-
-err_disable_regulators:
- regulator_bulk_disable(WCD938X_MAX_SUPPLY, wcd938x->supplies);
- regulator_bulk_free(WCD938X_MAX_SUPPLY, wcd938x->supplies);
-
- return ret;
}
static void wcd938x_remove(struct platform_device *pdev)
@@ -3576,8 +3587,8 @@ static void wcd938x_remove(struct platform_device *pdev)
pm_runtime_set_suspended(dev);
pm_runtime_dont_use_autosuspend(dev);
- regulator_bulk_disable(WCD938X_MAX_SUPPLY, wcd938x->supplies);
- regulator_bulk_free(WCD938X_MAX_SUPPLY, wcd938x->supplies);
+ if (wcd938x->us_euro_mux && wcd938x->mux_setup_done)
+ mux_control_deselect(wcd938x->us_euro_mux);
}
#if defined(CONFIG_OF)
generated by cgit (git 2.34.1) at 2025-07-31 14:58:41 +0000