diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7925/init.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7925/init.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/init.c b/drivers/net/wireless/mediatek/mt76/mt7925/init.c index 8f9b7a2f376c..c4cbc8976046 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/init.c @@ -2,11 +2,61 @@ /* Copyright (C) 2023 MediaTek Inc. */ #include <linux/etherdevice.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/thermal.h> #include <linux/firmware.h> #include "mt7925.h" #include "mac.h" #include "mcu.h" +static ssize_t mt7925_thermal_temp_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + switch (to_sensor_dev_attr(attr)->index) { + case 0: { + struct mt792x_phy *phy = dev_get_drvdata(dev); + struct mt792x_dev *mdev = phy->dev; + int temperature; + + mt792x_mutex_acquire(mdev); + temperature = mt7925_mcu_get_temperature(phy); + mt792x_mutex_release(mdev); + + if (temperature < 0) + return temperature; + /* display in millidegree Celsius */ + return sprintf(buf, "%u\n", temperature * 1000); + } + default: + return -EINVAL; + } +} +static SENSOR_DEVICE_ATTR_RO(temp1_input, mt7925_thermal_temp, 0); + +static struct attribute *mt7925_hwmon_attrs[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + NULL, +}; +ATTRIBUTE_GROUPS(mt7925_hwmon); + +static int mt7925_thermal_init(struct mt792x_phy *phy) +{ + struct wiphy *wiphy = phy->mt76->hw->wiphy; + struct device *hwmon; + const char *name; + + if (!IS_REACHABLE(CONFIG_HWMON)) + return 0; + + name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7925_%s", + wiphy_name(wiphy)); + + hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy, + mt7925_hwmon_groups); + return PTR_ERR_OR_ZERO(hwmon); +} static void mt7925_regd_notifier(struct wiphy *wiphy, struct regulatory_request *req) @@ -142,6 +192,12 @@ static void mt7925_init_work(struct work_struct *work) return; } + ret = mt7925_thermal_init(&dev->phy); + if (ret) { + dev_err(dev->mt76.dev, "thermal init failed\n"); + return; + } + /* we support chip reset now */ dev->hw_init_done = true; |