[][MAC80211][mt76][update mt76 patches for WiFi 7]
[Description]
Add mt76 patches for WiFi 7.
[Release-log]
N/A
Change-Id: I112af10d6f6530d48c8778d469188110ae4e13dc
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7621537
diff --git a/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/patches/0018-wifi-mt76-mt7996-add-thermal-sensor-device-support.patch b/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/patches/0018-wifi-mt76-mt7996-add-thermal-sensor-device-support.patch
new file mode 100644
index 0000000..effc63b
--- /dev/null
+++ b/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/patches/0018-wifi-mt76-mt7996-add-thermal-sensor-device-support.patch
@@ -0,0 +1,184 @@
+From db282c765c1d9cd2a5eec6a095069fd4bcf627b4 Mon Sep 17 00:00:00 2001
+From: Howard Hsu <howard-yh.hsu@mediatek.com>
+Date: Thu, 2 Feb 2023 20:53:42 +0800
+Subject: [PATCH 18/39] wifi: mt76: mt7996: add thermal sensor device support
+
+---
+ mt7996/init.c | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++
+ mt7996/mcu.c | 41 ++++++++++++++++++++++++
+ 2 files changed, 128 insertions(+)
+
+diff --git a/mt7996/init.c b/mt7996/init.c
+index c072b09..0319e7f 100644
+--- a/mt7996/init.c
++++ b/mt7996/init.c
+@@ -4,6 +4,8 @@
+ */
+
+ #include <linux/etherdevice.h>
++#include <linux/hwmon.h>
++#include <linux/hwmon-sysfs.h>
+ #include <linux/thermal.h>
+ #include "mt7996.h"
+ #include "mac.h"
+@@ -42,6 +44,81 @@ static const struct ieee80211_iface_combination if_comb[] = {
+ }
+ };
+
++static ssize_t mt7996_thermal_temp_show(struct device *dev,
++ struct device_attribute *attr,
++ char *buf)
++{
++ struct mt7996_phy *phy = dev_get_drvdata(dev);
++ int i = to_sensor_dev_attr(attr)->index;
++ int temperature;
++
++ switch (i) {
++ case 0:
++ temperature = mt7996_mcu_get_temperature(phy);
++ if (temperature < 0)
++ return temperature;
++ /* display in millidegree celcius */
++ return sprintf(buf, "%u\n", temperature * 1000);
++ case 1:
++ case 2:
++ return sprintf(buf, "%u\n",
++ phy->throttle_temp[i - 1] * 1000);
++ case 3:
++ return sprintf(buf, "%hhu\n", phy->throttle_state);
++ default:
++ return -EINVAL;
++ }
++}
++
++static ssize_t mt7996_thermal_temp_store(struct device *dev,
++ struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ struct mt7996_phy *phy = dev_get_drvdata(dev);
++ int ret, i = to_sensor_dev_attr(attr)->index;
++ long val;
++
++ ret = kstrtol(buf, 10, &val);
++ if (ret < 0)
++ return ret;
++
++ mutex_lock(&phy->dev->mt76.mutex);
++ val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 40, 130);
++
++ if ((i - 1 == MT7996_CRIT_TEMP_IDX &&
++ val > phy->throttle_temp[MT7996_MAX_TEMP_IDX]) ||
++ (i - 1 == MT7996_MAX_TEMP_IDX &&
++ val < phy->throttle_temp[MT7996_CRIT_TEMP_IDX])) {
++ dev_err(phy->dev->mt76.dev,
++ "temp1_max shall be greater than temp1_crit.");
++ mutex_unlock(&phy->dev->mt76.mutex);
++ return -EINVAL;
++ }
++
++ phy->throttle_temp[i - 1] = val;
++ mutex_unlock(&phy->dev->mt76.mutex);
++
++ ret = mt7996_mcu_set_thermal_protect(phy);
++ if (ret)
++ return ret;
++
++ return count;
++}
++
++static SENSOR_DEVICE_ATTR_RO(temp1_input, mt7996_thermal_temp, 0);
++static SENSOR_DEVICE_ATTR_RW(temp1_crit, mt7996_thermal_temp, 1);
++static SENSOR_DEVICE_ATTR_RW(temp1_max, mt7996_thermal_temp, 2);
++static SENSOR_DEVICE_ATTR_RO(throttle1, mt7996_thermal_temp, 3);
++
++static struct attribute *mt7996_hwmon_attrs[] = {
++ &sensor_dev_attr_temp1_input.dev_attr.attr,
++ &sensor_dev_attr_temp1_crit.dev_attr.attr,
++ &sensor_dev_attr_temp1_max.dev_attr.attr,
++ &sensor_dev_attr_throttle1.dev_attr.attr,
++ NULL,
++};
++ATTRIBUTE_GROUPS(mt7996_hwmon);
++
+ static int
+ mt7996_thermal_get_max_throttle_state(struct thermal_cooling_device *cdev,
+ unsigned long *state)
+@@ -113,6 +190,7 @@ static int mt7996_thermal_init(struct mt7996_phy *phy)
+ {
+ struct wiphy *wiphy = phy->mt76->hw->wiphy;
+ struct thermal_cooling_device *cdev;
++ struct device *hwmon;
+ const char *name;
+
+ name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7996_%s",
+@@ -131,6 +209,15 @@ static int mt7996_thermal_init(struct mt7996_phy *phy)
+ phy->throttle_temp[MT7996_CRIT_TEMP_IDX] = MT7996_CRIT_TEMP;
+ phy->throttle_temp[MT7996_MAX_TEMP_IDX] = MT7996_MAX_TEMP;
+
++ if (!IS_REACHABLE(CONFIG_HWMON))
++ return 0;
++
++ hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy,
++ mt7996_hwmon_groups);
++
++ if (IS_ERR(hwmon))
++ return PTR_ERR(hwmon);
++
+ return 0;
+ }
+
+diff --git a/mt7996/mcu.c b/mt7996/mcu.c
+index c308d86..349c20e 100644
+--- a/mt7996/mcu.c
++++ b/mt7996/mcu.c
+@@ -3248,6 +3248,47 @@ out:
+ return 0;
+ }
+
++int mt7996_mcu_get_temperature(struct mt7996_phy *phy)
++{
++#define TEMPERATURE_QUERY 0
++#define GET_TEMPERATURE 0
++ struct {
++ u8 _rsv[4];
++
++ __le16 tag;
++ __le16 len;
++
++ u8 rsv1;
++ u8 action;
++ u8 band_idx;
++ u8 rsv2;
++ } req = {
++ .tag = cpu_to_le16(TEMPERATURE_QUERY),
++ .len = cpu_to_le16(sizeof(req) - 4),
++ .action = GET_TEMPERATURE,
++ .band_idx = phy->mt76->band_idx,
++ };
++ struct mt7996_mcu_thermal {
++ u8 _rsv[4];
++
++ __le16 tag;
++ __le16 len;
++
++ __le32 rsv;
++ __le32 temperature;
++ } __packed *res;
++ struct sk_buff *skb;
++ int ret;
++
++ ret = mt76_mcu_send_and_get_msg(&phy->dev->mt76, MCU_WM_UNI_CMD(THERMAL),
++ &req, sizeof(req), true, &skb);
++ if (ret)
++ return ret;
++
++ res = (void *)skb->data;
++
++ return le32_to_cpu(res->temperature);
++}
+
+ int mt7996_mcu_set_thermal_throttling(struct mt7996_phy *phy, u8 state)
+ {
+--
+2.18.0
+