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path: root/drivers/extcon/extcon-arizona.c
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Diffstat (limited to 'drivers/extcon/extcon-arizona.c')
-rw-r--r--drivers/extcon/extcon-arizona.c88
1 files changed, 51 insertions, 37 deletions
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index a0ed35b336e4..ad87f263056f 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -32,13 +32,10 @@
#include <linux/mfd/arizona/core.h>
#include <linux/mfd/arizona/pdata.h>
#include <linux/mfd/arizona/registers.h>
+#include <dt-bindings/mfd/arizona.h>
#define ARIZONA_MAX_MICD_RANGE 8
-#define ARIZONA_ACCDET_MODE_MIC 0
-#define ARIZONA_ACCDET_MODE_HPL 1
-#define ARIZONA_ACCDET_MODE_HPR 2
-
#define ARIZONA_MICD_CLAMP_MODE_JDL 0x4
#define ARIZONA_MICD_CLAMP_MODE_JDH 0x5
#define ARIZONA_MICD_CLAMP_MODE_JDL_GP5H 0x9
@@ -94,7 +91,7 @@ struct arizona_extcon_info {
bool detecting;
int jack_flips;
- int hpdet_ip;
+ int hpdet_ip_version;
struct extcon_dev *edev;
};
@@ -121,17 +118,12 @@ static const int arizona_micd_levels[] = {
1257,
};
-#define ARIZONA_CABLE_MECHANICAL 0
-#define ARIZONA_CABLE_MICROPHONE 1
-#define ARIZONA_CABLE_HEADPHONE 2
-#define ARIZONA_CABLE_LINEOUT 3
-
-static const char *arizona_cable[] = {
- "Mechanical",
- "Microphone",
- "Headphone",
- "Line-out",
- NULL,
+static const unsigned int arizona_cable[] = {
+ EXTCON_MECHANICAL,
+ EXTCON_MICROPHONE,
+ EXTCON_HEADPHONE,
+ EXTCON_LINE_OUT,
+ EXTCON_NONE,
};
static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info);
@@ -145,6 +137,7 @@ static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info,
switch (arizona->type) {
case WM5110:
+ case WM8280:
mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR |
ARIZONA_HP1L_SHRTI;
if (clamp)
@@ -380,7 +373,7 @@ static int arizona_hpdet_read(struct arizona_extcon_info *info)
return ret;
}
- switch (info->hpdet_ip) {
+ switch (info->hpdet_ip_version) {
case 0:
if (!(val & ARIZONA_HP_DONE)) {
dev_err(arizona->dev, "HPDET did not complete: %x\n",
@@ -441,7 +434,7 @@ static int arizona_hpdet_read(struct arizona_extcon_info *info)
default:
dev_warn(arizona->dev, "Unknown HPDET IP revision %d\n",
- info->hpdet_ip);
+ info->hpdet_ip_version);
case 2:
if (!(val & ARIZONA_HP_DONE_B)) {
dev_err(arizona->dev, "HPDET did not complete: %x\n",
@@ -559,7 +552,7 @@ static irqreturn_t arizona_hpdet_irq(int irq, void *data)
struct arizona_extcon_info *info = data;
struct arizona *arizona = info->arizona;
int id_gpio = arizona->pdata.hpdet_id_gpio;
- int report = ARIZONA_CABLE_HEADPHONE;
+ unsigned int report = EXTCON_HEADPHONE;
int ret, reading;
bool mic = false;
@@ -573,7 +566,7 @@ static irqreturn_t arizona_hpdet_irq(int irq, void *data)
}
/* If the cable was removed while measuring ignore the result */
- ret = extcon_get_cable_state_(info->edev, ARIZONA_CABLE_MECHANICAL);
+ ret = extcon_get_cable_state_(info->edev, EXTCON_MECHANICAL);
if (ret < 0) {
dev_err(arizona->dev, "Failed to check cable state: %d\n",
ret);
@@ -604,9 +597,9 @@ static irqreturn_t arizona_hpdet_irq(int irq, void *data)
/* Report high impedence cables as line outputs */
if (reading >= 5000)
- report = ARIZONA_CABLE_LINEOUT;
+ report = EXTCON_LINE_OUT;
else
- report = ARIZONA_CABLE_HEADPHONE;
+ report = EXTCON_HEADPHONE;
ret = extcon_set_cable_state_(info->edev, report, true);
if (ret != 0)
@@ -670,9 +663,9 @@ static void arizona_identify_headphone(struct arizona_extcon_info *info)
ret = regmap_update_bits(arizona->regmap,
ARIZONA_ACCESSORY_DETECT_MODE_1,
ARIZONA_ACCDET_MODE_MASK,
- ARIZONA_ACCDET_MODE_HPL);
+ arizona->pdata.hpdet_channel);
if (ret != 0) {
- dev_err(arizona->dev, "Failed to set HPDETL mode: %d\n", ret);
+ dev_err(arizona->dev, "Failed to set HPDET mode: %d\n", ret);
goto err;
}
@@ -691,8 +684,7 @@ err:
ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC);
/* Just report headphone */
- ret = extcon_set_cable_state_(info->edev,
- ARIZONA_CABLE_HEADPHONE, true);
+ ret = extcon_set_cable_state_(info->edev, EXTCON_HEADPHONE, true);
if (ret != 0)
dev_err(arizona->dev, "Failed to report headphone: %d\n", ret);
@@ -722,9 +714,9 @@ static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info)
ARIZONA_ACCESSORY_DETECT_MODE_1,
ARIZONA_ACCDET_SRC | ARIZONA_ACCDET_MODE_MASK,
info->micd_modes[0].src |
- ARIZONA_ACCDET_MODE_HPL);
+ arizona->pdata.hpdet_channel);
if (ret != 0) {
- dev_err(arizona->dev, "Failed to set HPDETL mode: %d\n", ret);
+ dev_err(arizona->dev, "Failed to set HPDET mode: %d\n", ret);
goto err;
}
@@ -749,8 +741,7 @@ err:
ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC);
/* Just report headphone */
- ret = extcon_set_cable_state_(info->edev,
- ARIZONA_CABLE_HEADPHONE, true);
+ ret = extcon_set_cable_state_(info->edev, EXTCON_HEADPHONE, true);
if (ret != 0)
dev_err(arizona->dev, "Failed to report headphone: %d\n", ret);
@@ -789,7 +780,7 @@ static void arizona_micd_detect(struct work_struct *work)
mutex_lock(&info->lock);
/* If the cable was removed while measuring ignore the result */
- ret = extcon_get_cable_state_(info->edev, ARIZONA_CABLE_MECHANICAL);
+ ret = extcon_get_cable_state_(info->edev, EXTCON_MECHANICAL);
if (ret < 0) {
dev_err(arizona->dev, "Failed to check cable state: %d\n",
ret);
@@ -838,8 +829,7 @@ static void arizona_micd_detect(struct work_struct *work)
arizona_identify_headphone(info);
ret = extcon_set_cable_state_(info->edev,
- ARIZONA_CABLE_MICROPHONE, true);
-
+ EXTCON_MICROPHONE, true);
if (ret != 0)
dev_err(arizona->dev, "Headset report failed: %d\n",
ret);
@@ -1030,7 +1020,7 @@ static irqreturn_t arizona_jackdet(int irq, void *data)
if (info->last_jackdet == present) {
dev_dbg(arizona->dev, "Detected jack\n");
ret = extcon_set_cable_state_(info->edev,
- ARIZONA_CABLE_MECHANICAL, true);
+ EXTCON_MECHANICAL, true);
if (ret != 0)
dev_err(arizona->dev, "Mechanical report failed: %d\n",
@@ -1120,6 +1110,26 @@ static void arizona_micd_set_level(struct arizona *arizona, int index,
regmap_update_bits(arizona->regmap, reg, mask, level);
}
+static int arizona_extcon_of_get_pdata(struct arizona *arizona)
+{
+ struct arizona_pdata *pdata = &arizona->pdata;
+ unsigned int val = ARIZONA_ACCDET_MODE_HPL;
+
+ of_property_read_u32(arizona->dev->of_node, "wlf,hpdet-channel", &val);
+ switch (val) {
+ case ARIZONA_ACCDET_MODE_HPL:
+ case ARIZONA_ACCDET_MODE_HPR:
+ pdata->hpdet_channel = val;
+ break;
+ default:
+ dev_err(arizona->dev,
+ "Wrong wlf,hpdet-channel DT value %d\n", val);
+ pdata->hpdet_channel = ARIZONA_ACCDET_MODE_HPL;
+ }
+
+ return 0;
+}
+
static int arizona_extcon_probe(struct platform_device *pdev)
{
struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
@@ -1137,6 +1147,11 @@ static int arizona_extcon_probe(struct platform_device *pdev)
if (!info)
return -ENOMEM;
+ if (IS_ENABLED(CONFIG_OF)) {
+ if (!dev_get_platdata(arizona->dev))
+ arizona_extcon_of_get_pdata(arizona);
+ }
+
info->micvdd = devm_regulator_get(&pdev->dev, "MICVDD");
if (IS_ERR(info->micvdd)) {
ret = PTR_ERR(info->micvdd);
@@ -1161,7 +1176,7 @@ static int arizona_extcon_probe(struct platform_device *pdev)
break;
default:
info->micd_clamp = true;
- info->hpdet_ip = 1;
+ info->hpdet_ip_version = 1;
break;
}
break;
@@ -1172,7 +1187,7 @@ static int arizona_extcon_probe(struct platform_device *pdev)
break;
default:
info->micd_clamp = true;
- info->hpdet_ip = 2;
+ info->hpdet_ip_version = 2;
break;
}
break;
@@ -1185,7 +1200,6 @@ static int arizona_extcon_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "failed to allocate extcon device\n");
return -ENOMEM;
}
- info->edev->name = "Headset Jack";
ret = devm_extcon_dev_register(&pdev->dev, info->edev);
if (ret < 0) {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.