1 files changed, 135 insertions, 44 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index 822f3aa6bb8b..4798d6344305 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -2,39 +2,14 @@
 /* Copyright (C) 2020 MediaTek Inc. */
 
 #include <linux/etherdevice.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/thermal.h>
 #include "mt7915.h"
 #include "mac.h"
 #include "mcu.h"
 #include "eeprom.h"
 
-#define CCK_RATE(_idx, _rate) {						\
-	.bitrate = _rate,						\
-	.flags = IEEE80211_RATE_SHORT_PREAMBLE,				\
-	.hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx),			\
-	.hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + (_idx)),	\
-}
-
-#define OFDM_RATE(_idx, _rate) {					\
-	.bitrate = _rate,						\
-	.hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx),			\
-	.hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx),		\
-}
-
-static struct ieee80211_rate mt7915_rates[] = {
-	CCK_RATE(0, 10),
-	CCK_RATE(1, 20),
-	CCK_RATE(2, 55),
-	CCK_RATE(3, 110),
-	OFDM_RATE(11, 60),
-	OFDM_RATE(15, 90),
-	OFDM_RATE(10, 120),
-	OFDM_RATE(14, 180),
-	OFDM_RATE(9,  240),
-	OFDM_RATE(13, 360),
-	OFDM_RATE(8,  480),
-	OFDM_RATE(12, 540),
-};
-
 static const struct ieee80211_iface_limit if_limits[] = {
 	{
 		.max = 1,
@@ -67,6 +42,117 @@ static const struct ieee80211_iface_combination if_comb[] = {
 	}
 };
 
+static ssize_t mt7915_thermal_show_temp(struct device *dev,
+					struct device_attribute *attr,
+					char *buf)
+{
+	struct mt7915_phy *phy = dev_get_drvdata(dev);
+	int temperature;
+
+	temperature = mt7915_mcu_get_temperature(phy);
+	if (temperature < 0)
+		return temperature;
+
+	/* display in millidegree celcius */
+	return sprintf(buf, "%u\n", temperature * 1000);
+}
+
+static SENSOR_DEVICE_ATTR(temp1_input, 0444, mt7915_thermal_show_temp,
+			  NULL, 0);
+
+static struct attribute *mt7915_hwmon_attrs[] = {
+	&sensor_dev_attr_temp1_input.dev_attr.attr,
+	NULL,
+};
+ATTRIBUTE_GROUPS(mt7915_hwmon);
+
+static int
+mt7915_thermal_get_max_throttle_state(struct thermal_cooling_device *cdev,
+				      unsigned long *state)
+{
+	*state = MT7915_THERMAL_THROTTLE_MAX;
+
+	return 0;
+}
+
+static int
+mt7915_thermal_get_cur_throttle_state(struct thermal_cooling_device *cdev,
+				      unsigned long *state)
+{
+	struct mt7915_phy *phy = cdev->devdata;
+
+	*state = phy->throttle_state;
+
+	return 0;
+}
+
+static int
+mt7915_thermal_set_cur_throttle_state(struct thermal_cooling_device *cdev,
+				      unsigned long state)
+{
+	struct mt7915_phy *phy = cdev->devdata;
+	int ret;
+
+	if (state > MT7915_THERMAL_THROTTLE_MAX)
+		return -EINVAL;
+
+	if (state == phy->throttle_state)
+		return 0;
+
+	ret = mt7915_mcu_set_thermal_throttling(phy, state);
+	if (ret)
+		return ret;
+
+	phy->throttle_state = state;
+
+	return 0;
+}
+
+static const struct thermal_cooling_device_ops mt7915_thermal_ops = {
+	.get_max_state = mt7915_thermal_get_max_throttle_state,
+	.get_cur_state = mt7915_thermal_get_cur_throttle_state,
+	.set_cur_state = mt7915_thermal_set_cur_throttle_state,
+};
+
+static void mt7915_unregister_thermal(struct mt7915_phy *phy)
+{
+	struct wiphy *wiphy = phy->mt76->hw->wiphy;
+
+	if (!phy->cdev)
+	    return;
+
+	sysfs_remove_link(&wiphy->dev.kobj, "cooling_device");
+	thermal_cooling_device_unregister(phy->cdev);
+}
+
+static int mt7915_thermal_init(struct mt7915_phy *phy)
+{
+	struct wiphy *wiphy = phy->mt76->hw->wiphy;
+	struct thermal_cooling_device *cdev;
+	struct device *hwmon;
+
+	cdev = thermal_cooling_device_register(wiphy_name(wiphy), phy,
+					       &mt7915_thermal_ops);
+	if (!IS_ERR(cdev)) {
+		if (sysfs_create_link(&wiphy->dev.kobj, &cdev->device.kobj,
+				      "cooling_device") < 0)
+			thermal_cooling_device_unregister(cdev);
+		else
+			phy->cdev = cdev;
+	}
+
+	if (!IS_REACHABLE(CONFIG_HWMON))
+		return 0;
+
+	hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev,
+						       wiphy_name(wiphy), phy,
+						       mt7915_hwmon_groups);
+	if (IS_ERR(hwmon))
+		return PTR_ERR(hwmon);
+
+	return 0;
+}
+
 static void
 mt7915_init_txpower(struct mt7915_dev *dev,
 		    struct ieee80211_supported_band *sband)
@@ -201,7 +287,6 @@ mt7915_mac_init_band(struct mt7915_dev *dev, u8 band)
 	      FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF);
 	mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set);
 
-	mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
 	mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
 
 	mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 1536);
@@ -228,20 +313,19 @@ static int mt7915_txbf_init(struct mt7915_dev *dev)
 {
 	int ret;
 
-
 	if (dev->dbdc_support) {
-		ret = mt7915_mcu_set_txbf_module(dev);
+		ret = mt7915_mcu_set_txbf(dev, MT_BF_MODULE_UPDATE);
 		if (ret)
 			return ret;
 	}
 
 	/* trigger sounding packets */
-	ret = mt7915_mcu_set_txbf_sounding(dev);
+	ret = mt7915_mcu_set_txbf(dev, MT_BF_SOUNDING_ON);
 	if (ret)
 		return ret;
 
 	/* enable eBF */
-	return mt7915_mcu_set_txbf_type(dev);
+	return mt7915_mcu_set_txbf(dev, MT_BF_TYPE_UPDATE);
 }
 
 static int mt7915_register_ext_phy(struct mt7915_dev *dev)
@@ -281,8 +365,12 @@ static int mt7915_register_ext_phy(struct mt7915_dev *dev)
 	if (ret)
 		goto error;
 
-	ret = mt76_register_phy(mphy, true, mt7915_rates,
-				ARRAY_SIZE(mt7915_rates));
+	ret = mt76_register_phy(mphy, true, mt76_rates,
+				ARRAY_SIZE(mt76_rates));
+	if (ret)
+		goto error;
+
+	ret = mt7915_thermal_init(phy);
 	if (ret)
 		goto error;
 
@@ -480,6 +568,9 @@ mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap,
 	if (nss < 2)
 		return;
 
+	/* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */
+	elem->phy_cap_info[7] |= min_t(int, nss - 1, 2) << 3;
+
 	if (vif != NL80211_IFTYPE_AP)
 		return;
 
@@ -493,9 +584,6 @@ mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap,
 	c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB |
 	    IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB;
 	elem->phy_cap_info[6] |= c;
-
-	/* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */
-	elem->phy_cap_info[7] |= min_t(int, nss - 1, 2) << 3;
 }
 
 static void
@@ -579,8 +667,6 @@ mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band,
 
 		switch (i) {
 		case NL80211_IFTYPE_AP:
-			he_cap_elem->mac_cap_info[0] |=
-				IEEE80211_HE_MAC_CAP0_TWT_RES;
 			he_cap_elem->mac_cap_info[2] |=
 				IEEE80211_HE_MAC_CAP2_BSR;
 			he_cap_elem->mac_cap_info[4] |=
@@ -594,8 +680,6 @@ mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band,
 				IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
 			break;
 		case NL80211_IFTYPE_STATION:
-			he_cap_elem->mac_cap_info[0] |=
-				IEEE80211_HE_MAC_CAP0_TWT_REQ;
 			he_cap_elem->mac_cap_info[1] |=
 				IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;
 
@@ -690,6 +774,7 @@ static void mt7915_unregister_ext_phy(struct mt7915_dev *dev)
 	if (!phy)
 		return;
 
+	mt7915_unregister_thermal(phy);
 	mt76_unregister_phy(mphy);
 	ieee80211_free_hw(mphy->hw);
 }
@@ -731,8 +816,12 @@ int mt7915_register_device(struct mt7915_dev *dev)
 	dev->mt76.test_ops = &mt7915_testmode_ops;
 #endif
 
-	ret = mt76_register_device(&dev->mt76, true, mt7915_rates,
-				   ARRAY_SIZE(mt7915_rates));
+	ret = mt76_register_device(&dev->mt76, true, mt76_rates,
+				   ARRAY_SIZE(mt76_rates));
+	if (ret)
+		return ret;
+
+	ret = mt7915_thermal_init(&dev->phy);
 	if (ret)
 		return ret;
 
@@ -748,10 +837,12 @@ int mt7915_register_device(struct mt7915_dev *dev)
 void mt7915_unregister_device(struct mt7915_dev *dev)
 {
 	mt7915_unregister_ext_phy(dev);
+	mt7915_unregister_thermal(&dev->phy);
 	mt76_unregister_device(&dev->mt76);
 	mt7915_mcu_exit(dev);
 	mt7915_tx_token_put(dev);
 	mt7915_dma_cleanup(dev);
+	tasklet_disable(&dev->irq_tasklet);
 
 	mt76_free_device(&dev->mt76);
 }