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path: root/drivers/platform/x86/uniwill/uniwill-acpi.c
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Diffstat (limited to 'drivers/platform/x86/uniwill/uniwill-acpi.c')
-rw-r--r--drivers/platform/x86/uniwill/uniwill-acpi.c110
1 files changed, 75 insertions, 35 deletions
diff --git a/drivers/platform/x86/uniwill/uniwill-acpi.c b/drivers/platform/x86/uniwill/uniwill-acpi.c
index fee93537aa43..6341dca20b76 100644
--- a/drivers/platform/x86/uniwill/uniwill-acpi.c
+++ b/drivers/platform/x86/uniwill/uniwill-acpi.c
@@ -314,8 +314,8 @@
#define LED_CHANNELS 3
#define LED_MAX_BRIGHTNESS 200
-#define UNIWILL_FEATURE_FN_LOCK_TOGGLE BIT(0)
-#define UNIWILL_FEATURE_SUPER_KEY_TOGGLE BIT(1)
+#define UNIWILL_FEATURE_FN_LOCK BIT(0)
+#define UNIWILL_FEATURE_SUPER_KEY BIT(1)
#define UNIWILL_FEATURE_TOUCHPAD_TOGGLE BIT(2)
#define UNIWILL_FEATURE_LIGHTBAR BIT(3)
#define UNIWILL_FEATURE_BATTERY BIT(4)
@@ -330,6 +330,7 @@ struct uniwill_data {
struct acpi_battery_hook hook;
unsigned int last_charge_ctrl;
struct mutex battery_lock; /* Protects the list of currently registered batteries */
+ unsigned int last_status;
unsigned int last_switch_status;
struct mutex super_key_lock; /* Protects the toggling of the super key lock state */
struct list_head batteries;
@@ -377,11 +378,15 @@ static const struct key_entry uniwill_keymap[] = {
{ KE_IGNORE, UNIWILL_OSD_CAPSLOCK, { KEY_CAPSLOCK }},
{ KE_IGNORE, UNIWILL_OSD_NUMLOCK, { KEY_NUMLOCK }},
- /* Reported when the user locks/unlocks the super key */
- { KE_IGNORE, UNIWILL_OSD_SUPER_KEY_LOCK_ENABLE, { KEY_UNKNOWN }},
- { KE_IGNORE, UNIWILL_OSD_SUPER_KEY_LOCK_DISABLE, { KEY_UNKNOWN }},
+ /*
+ * Reported when the user enables/disables the super key.
+ * Those events might even be reported when the change was done
+ * using the sysfs attribute!
+ */
+ { KE_IGNORE, UNIWILL_OSD_SUPER_KEY_DISABLE, { KEY_UNKNOWN }},
+ { KE_IGNORE, UNIWILL_OSD_SUPER_KEY_ENABLE, { KEY_UNKNOWN }},
/* Optional, might not be reported by all devices */
- { KE_IGNORE, UNIWILL_OSD_SUPER_KEY_LOCK_CHANGED, { KEY_UNKNOWN }},
+ { KE_IGNORE, UNIWILL_OSD_SUPER_KEY_STATE_CHANGED, { KEY_UNKNOWN }},
/* Reported in manual mode when toggling the airplane mode status */
{ KE_KEY, UNIWILL_OSD_RFKILL, { KEY_RFKILL }},
@@ -401,9 +406,6 @@ static const struct key_entry uniwill_keymap[] = {
/* Reported when the user wants to toggle the mute status */
{ KE_IGNORE, UNIWILL_OSD_MUTE, { KEY_MUTE }},
- /* Reported when the user locks/unlocks the Fn key */
- { KE_IGNORE, UNIWILL_OSD_FN_LOCK, { KEY_FN_ESC }},
-
/* Reported when the user wants to toggle the brightness of the keyboard */
{ KE_KEY, UNIWILL_OSD_KBDILLUMTOGGLE, { KEY_KBDILLUMTOGGLE }},
{ KE_KEY, UNIWILL_OSD_KB_LED_LEVEL0, { KEY_KBDILLUMTOGGLE }},
@@ -576,6 +578,7 @@ static bool uniwill_volatile_reg(struct device *dev, unsigned int reg)
case EC_ADDR_SECOND_FAN_RPM_1:
case EC_ADDR_SECOND_FAN_RPM_2:
case EC_ADDR_BAT_ALERT:
+ case EC_ADDR_BIOS_OEM:
case EC_ADDR_PWM_1:
case EC_ADDR_PWM_2:
case EC_ADDR_TRIGGER:
@@ -600,8 +603,8 @@ static const struct regmap_config uniwill_ec_config = {
.use_single_write = true,
};
-static ssize_t fn_lock_toggle_enable_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t fn_lock_store(struct device *dev, struct device_attribute *attr, const char *buf,
+ size_t count)
{
struct uniwill_data *data = dev_get_drvdata(dev);
unsigned int value;
@@ -624,8 +627,7 @@ static ssize_t fn_lock_toggle_enable_store(struct device *dev, struct device_att
return count;
}
-static ssize_t fn_lock_toggle_enable_show(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t fn_lock_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct uniwill_data *data = dev_get_drvdata(dev);
unsigned int value;
@@ -638,10 +640,10 @@ static ssize_t fn_lock_toggle_enable_show(struct device *dev, struct device_attr
return sysfs_emit(buf, "%d\n", !!(value & FN_LOCK_STATUS));
}
-static DEVICE_ATTR_RW(fn_lock_toggle_enable);
+static DEVICE_ATTR_RW(fn_lock);
-static ssize_t super_key_toggle_enable_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t super_key_enable_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct uniwill_data *data = dev_get_drvdata(dev);
unsigned int value;
@@ -673,8 +675,7 @@ static ssize_t super_key_toggle_enable_store(struct device *dev, struct device_a
return count;
}
-static ssize_t super_key_toggle_enable_show(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t super_key_enable_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct uniwill_data *data = dev_get_drvdata(dev);
unsigned int value;
@@ -687,7 +688,7 @@ static ssize_t super_key_toggle_enable_show(struct device *dev, struct device_at
return sysfs_emit(buf, "%d\n", !(value & SUPER_KEY_LOCK_STATUS));
}
-static DEVICE_ATTR_RW(super_key_toggle_enable);
+static DEVICE_ATTR_RW(super_key_enable);
static ssize_t touchpad_toggle_enable_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
@@ -881,8 +882,8 @@ static int uniwill_nvidia_ctgp_init(struct uniwill_data *data)
static struct attribute *uniwill_attrs[] = {
/* Keyboard-related */
- &dev_attr_fn_lock_toggle_enable.attr,
- &dev_attr_super_key_toggle_enable.attr,
+ &dev_attr_fn_lock.attr,
+ &dev_attr_super_key_enable.attr,
&dev_attr_touchpad_toggle_enable.attr,
/* Lightbar-related */
&dev_attr_rainbow_animation.attr,
@@ -897,13 +898,13 @@ static umode_t uniwill_attr_is_visible(struct kobject *kobj, struct attribute *a
struct device *dev = kobj_to_dev(kobj);
struct uniwill_data *data = dev_get_drvdata(dev);
- if (attr == &dev_attr_fn_lock_toggle_enable.attr) {
- if (uniwill_device_supports(data, UNIWILL_FEATURE_FN_LOCK_TOGGLE))
+ if (attr == &dev_attr_fn_lock.attr) {
+ if (uniwill_device_supports(data, UNIWILL_FEATURE_FN_LOCK))
return attr->mode;
}
- if (attr == &dev_attr_super_key_toggle_enable.attr) {
- if (uniwill_device_supports(data, UNIWILL_FEATURE_SUPER_KEY_TOGGLE))
+ if (attr == &dev_attr_super_key_enable.attr) {
+ if (uniwill_device_supports(data, UNIWILL_FEATURE_SUPER_KEY))
return attr->mode;
}
@@ -1357,6 +1358,9 @@ static int uniwill_notifier_call(struct notifier_block *nb, unsigned long action
switch (action) {
case UNIWILL_OSD_BATTERY_ALERT:
+ if (!uniwill_device_supports(data, UNIWILL_FEATURE_BATTERY))
+ return NOTIFY_DONE;
+
mutex_lock(&data->battery_lock);
list_for_each_entry(entry, &data->batteries, head) {
power_supply_changed(entry->battery);
@@ -1370,6 +1374,13 @@ static int uniwill_notifier_call(struct notifier_block *nb, unsigned long action
*/
return NOTIFY_OK;
+ case UNIWILL_OSD_FN_LOCK:
+ if (!uniwill_device_supports(data, UNIWILL_FEATURE_FN_LOCK))
+ return NOTIFY_DONE;
+
+ sysfs_notify(&data->dev->kobj, NULL, "fn_lock");
+
+ return NOTIFY_OK;
default:
mutex_lock(&data->input_lock);
sparse_keymap_report_event(data->input_device, action, 1, true);
@@ -1503,9 +1514,21 @@ static void uniwill_shutdown(struct platform_device *pdev)
regmap_clear_bits(data->regmap, EC_ADDR_AP_OEM, ENABLE_MANUAL_CTRL);
}
-static int uniwill_suspend_keyboard(struct uniwill_data *data)
+static int uniwill_suspend_fn_lock(struct uniwill_data *data)
{
- if (!uniwill_device_supports(data, UNIWILL_FEATURE_SUPER_KEY_TOGGLE))
+ if (!uniwill_device_supports(data, UNIWILL_FEATURE_FN_LOCK))
+ return 0;
+
+ /*
+ * The EC_ADDR_BIOS_OEM is marked as volatile, so we have to restore it
+ * ourselves.
+ */
+ return regmap_read(data->regmap, EC_ADDR_BIOS_OEM, &data->last_status);
+}
+
+static int uniwill_suspend_super_key(struct uniwill_data *data)
+{
+ if (!uniwill_device_supports(data, UNIWILL_FEATURE_SUPER_KEY))
return 0;
/*
@@ -1542,7 +1565,11 @@ static int uniwill_suspend(struct device *dev)
struct uniwill_data *data = dev_get_drvdata(dev);
int ret;
- ret = uniwill_suspend_keyboard(data);
+ ret = uniwill_suspend_fn_lock(data);
+ if (ret < 0)
+ return ret;
+
+ ret = uniwill_suspend_super_key(data);
if (ret < 0)
return ret;
@@ -1560,12 +1587,21 @@ static int uniwill_suspend(struct device *dev)
return 0;
}
-static int uniwill_resume_keyboard(struct uniwill_data *data)
+static int uniwill_resume_fn_lock(struct uniwill_data *data)
+{
+ if (!uniwill_device_supports(data, UNIWILL_FEATURE_FN_LOCK))
+ return 0;
+
+ return regmap_update_bits(data->regmap, EC_ADDR_BIOS_OEM, FN_LOCK_STATUS,
+ data->last_status);
+}
+
+static int uniwill_resume_super_key(struct uniwill_data *data)
{
unsigned int value;
int ret;
- if (!uniwill_device_supports(data, UNIWILL_FEATURE_SUPER_KEY_TOGGLE))
+ if (!uniwill_device_supports(data, UNIWILL_FEATURE_SUPER_KEY))
return 0;
ret = regmap_read(data->regmap, EC_ADDR_SWITCH_STATUS, &value);
@@ -1608,7 +1644,11 @@ static int uniwill_resume(struct device *dev)
if (ret < 0)
return ret;
- ret = uniwill_resume_keyboard(data);
+ ret = uniwill_resume_fn_lock(data);
+ if (ret < 0)
+ return ret;
+
+ ret = uniwill_resume_super_key(data);
if (ret < 0)
return ret;
@@ -1643,16 +1683,16 @@ static struct platform_driver uniwill_driver = {
};
static struct uniwill_device_descriptor lapac71h_descriptor __initdata = {
- .features = UNIWILL_FEATURE_FN_LOCK_TOGGLE |
- UNIWILL_FEATURE_SUPER_KEY_TOGGLE |
+ .features = UNIWILL_FEATURE_FN_LOCK |
+ UNIWILL_FEATURE_SUPER_KEY |
UNIWILL_FEATURE_TOUCHPAD_TOGGLE |
UNIWILL_FEATURE_BATTERY |
UNIWILL_FEATURE_HWMON,
};
static struct uniwill_device_descriptor lapkc71f_descriptor __initdata = {
- .features = UNIWILL_FEATURE_FN_LOCK_TOGGLE |
- UNIWILL_FEATURE_SUPER_KEY_TOGGLE |
+ .features = UNIWILL_FEATURE_FN_LOCK |
+ UNIWILL_FEATURE_SUPER_KEY |
UNIWILL_FEATURE_TOUCHPAD_TOGGLE |
UNIWILL_FEATURE_LIGHTBAR |
UNIWILL_FEATURE_BATTERY |
generated by cgit v1.2.3 (git 2.46.0) at 2026-04-02 19:04:42 +0000