Similar to mt7915, switching to use standard hwmon sysfs.
For reading temperature, cat /sys/class/ieee80211/phy*/hwmon*/temp1_input
Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
---
changes since v2 - fix build error
---
.../wireless/mediatek/mt76/mt7615/debugfs.c | 20 --------
.../net/wireless/mediatek/mt76/mt7615/init.c | 50 +++++++++++++++++++
.../net/wireless/mediatek/mt76/mt7615/mcu.c | 6 +--
.../wireless/mediatek/mt76/mt7615/mt7615.h | 3 +-
.../wireless/mediatek/mt76/mt7615/pci_init.c | 4 ++
5 files changed, 58 insertions(+), 25 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
index 1b414220521a..96b75f316071 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
@@ -291,24 +291,6 @@ mt7615_radio_read(struct seq_file *s, void *data)
return 0;
}
-static int mt7615_read_temperature(struct seq_file *s, void *data)
-{
- struct mt7615_dev *dev = dev_get_drvdata(s->private);
- int temp;
-
- if (!mt7615_wait_for_mcu_init(dev))
- return 0;
-
- /* cpu */
- mt7615_mutex_acquire(dev);
- temp = mt7615_mcu_get_temperature(dev, 0);
- mt7615_mutex_release(dev);
-
- seq_printf(s, "Temperature: %d\n", temp);
-
- return 0;
-}
-
static int
mt7615_queues_acq(struct seq_file *s, void *data)
{
@@ -536,8 +518,6 @@ int mt7615_init_debugfs(struct mt7615_dev *dev)
debugfs_create_file("reset_test", 0200, dir, dev,
&fops_reset_test);
- debugfs_create_devm_seqfile(dev->mt76.dev, "temperature", dir,
- mt7615_read_temperature);
debugfs_create_file("ext_mac_addr", 0600, dir, dev, &fops_ext_mac_addr);
debugfs_create_u32("rf_wfidx", 0600, dir, &dev->debugfs_rf_wf);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
index d84662fb0304..515933d239ba 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
@@ -8,11 +8,61 @@
*/
#include <linux/etherdevice.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
#include "mt7615.h"
#include "mac.h"
#include "mcu.h"
#include "eeprom.h"
+static ssize_t mt7615_thermal_show_temp(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct mt7615_dev *mdev = dev_get_drvdata(dev);
+ int temperature;
+
+ if (!mt7615_wait_for_mcu_init(mdev))
+ return 0;
+
+ mt7615_mutex_acquire(mdev);
+ temperature = mt7615_mcu_get_temperature(mdev);
+ mt7615_mutex_release(mdev);
+
+ if (temperature < 0)
+ return temperature;
+
+ /* display in millidegree celcius */
+ return sprintf(buf, "%u\n", temperature * 1000);
+}
+
+static SENSOR_DEVICE_ATTR(temp1_input, 0444, mt7615_thermal_show_temp,
+ NULL, 0);
+
+static struct attribute *mt7615_hwmon_attrs[] = {
+ &sensor_dev_attr_temp1_input.dev_attr.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(mt7615_hwmon);
+
+int mt7615_thermal_init(struct mt7615_dev *dev)
+{
+ struct wiphy *wiphy = mt76_hw(dev)->wiphy;
+ struct device *hwmon;
+
+ if (!IS_REACHABLE(CONFIG_HWMON))
+ return 0;
+
+ hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev,
+ wiphy_name(wiphy), dev,
+ mt7615_hwmon_groups);
+ if (IS_ERR(hwmon))
+ return PTR_ERR(hwmon);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mt7615_thermal_init);
+
static void
mt7615_phy_init(struct mt7615_dev *dev)
{
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index be976fe97290..67af2e2d4779 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -2301,14 +2301,12 @@ int mt7615_mcu_set_chan_info(struct mt7615_phy *phy, int cmd)
return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true);
}
-int mt7615_mcu_get_temperature(struct mt7615_dev *dev, int index)
+int mt7615_mcu_get_temperature(struct mt7615_dev *dev)
{
struct {
u8 action;
u8 rsv[3];
- } req = {
- .action = index,
- };
+ } req = {};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_GET_TEMP, &req,
sizeof(req), true);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
index 6a50338ec9f5..68c844527f65 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
@@ -359,6 +359,7 @@ static inline int mt7622_wmac_init(struct mt7615_dev *dev)
}
#endif
+int mt7615_thermal_init(struct mt7615_dev *dev);
int mt7615_mmio_probe(struct device *pdev, void __iomem *mem_base,
int irq, const u32 *map);
u32 mt7615_reg_map(struct mt7615_dev *dev, u32 addr);
@@ -497,7 +498,7 @@ u32 mt7615_rf_rr(struct mt7615_dev *dev, u32 wf, u32 reg);
int mt7615_rf_wr(struct mt7615_dev *dev, u32 wf, u32 reg, u32 val);
int mt7615_mcu_set_dbdc(struct mt7615_dev *dev);
int mt7615_mcu_set_eeprom(struct mt7615_dev *dev);
-int mt7615_mcu_get_temperature(struct mt7615_dev *dev, int index);
+int mt7615_mcu_get_temperature(struct mt7615_dev *dev);
int mt7615_mcu_set_tx_power(struct mt7615_phy *phy);
void mt7615_mcu_exit(struct mt7615_dev *dev);
void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c
index 49540b00519d..10bd2c2bbf1c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c
@@ -153,6 +153,10 @@ int mt7615_register_device(struct mt7615_dev *dev)
if (ret)
return ret;
+ ret = mt7615_thermal_init(dev);
+ if (ret)
+ return ret;
+
ieee80211_queue_work(mt76_hw(dev), &dev->mcu_work);
mt7615_init_txpower(dev, &dev->mphy.sband_2g.sband);
mt7615_init_txpower(dev, &dev->mphy.sband_5g.sband);
--
2.18.0
