diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
index 1906cc62690f..720b05e325a5 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
@@ -147,6 +147,7 @@ static int mt76x0e_register_device(struct mt76x02_dev *dev)
 		MT_CH_TIME_CFG_RX_AS_BUSY |
 		MT_CH_TIME_CFG_NAV_AS_BUSY |
 		MT_CH_TIME_CFG_EIFS_AS_BUSY |
+		MT_CH_CCA_RC_EN |
 		FIELD_PREP(MT_CH_TIME_CFG_CH_TIMER_CLR, 1));
 
 	err = mt76x0_register_device(dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
index 1eb1a802ed20..b2b38b9fcac7 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
@@ -1013,6 +1013,8 @@ int mt76x0_phy_set_channel(struct mt76x02_dev *dev,
 	mt76x0_phy_calibrate(dev, false);
 	mt76x0_phy_set_txpower(dev);
 
+	mt76x02_edcca_init(dev);
+
 	ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work,
 				     MT_CALIBRATE_INTERVAL);
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02.h b/drivers/net/wireless/mediatek/mt76/mt76x02.h
index b1d83dd34204..5f5831d18af5 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02.h
@@ -102,6 +102,12 @@ struct mt76x02_dev {
 	u8 slottime;
 
 	struct mt76x02_dfs_pattern_detector dfs_pd;
+
+	/* edcca monitor */
+	bool ed_tx_blocked;
+	bool ed_monitor;
+	u8 ed_trigger;
+	u8 ed_silent;
 };
 
 extern struct ieee80211_rate mt76x02_rates[12];
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c b/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c
index 5bd523b091b6..19fdcab746a0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_dfs.c
@@ -884,6 +884,10 @@ mt76x02_dfs_set_domain(struct mt76x02_dev *dev,
 	mutex_lock(&dev->mt76.mutex);
 	if (dfs_pd->region != region) {
 		tasklet_disable(&dfs_pd->dfs_tasklet);
+
+		dev->ed_monitor = region == NL80211_DFS_ETSI;
+		mt76x02_edcca_init(dev);
+
 		dfs_pd->region = region;
 		mt76x02_dfs_init_params(dev);
 		tasklet_enable(&dfs_pd->dfs_tasklet);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
index 64841f40cdcf..aed108e8761f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
@@ -778,6 +778,88 @@ static void mt76x02_check_mac_err(struct mt76x02_dev *dev)
 		MT_MAC_SYS_CTRL_ENABLE_TX | MT_MAC_SYS_CTRL_ENABLE_RX);
 }
 
+static void
+mt76x02_edcca_tx_enable(struct mt76x02_dev *dev, bool enable)
+{
+	if (enable) {
+		u32 data;
+
+		mt76_set(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_ENABLE_TX);
+		mt76_set(dev, MT_AUTO_RSP_CFG, MT_AUTO_RSP_EN);
+		/* enable pa-lna */
+		data = mt76_rr(dev, MT_TX_PIN_CFG);
+		data |= MT_TX_PIN_CFG_TXANT |
+			MT_TX_PIN_CFG_RXANT |
+			MT_TX_PIN_RFTR_EN |
+			MT_TX_PIN_TRSW_EN;
+		mt76_wr(dev, MT_TX_PIN_CFG, data);
+	} else {
+		mt76_clear(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_ENABLE_TX);
+		mt76_clear(dev, MT_AUTO_RSP_CFG, MT_AUTO_RSP_EN);
+		/* disable pa-lna */
+		mt76_clear(dev, MT_TX_PIN_CFG, MT_TX_PIN_CFG_TXANT);
+		mt76_clear(dev, MT_TX_PIN_CFG, MT_TX_PIN_CFG_RXANT);
+	}
+	dev->ed_tx_blocked = !enable;
+}
+
+void mt76x02_edcca_init(struct mt76x02_dev *dev)
+{
+	dev->ed_trigger = 0;
+	dev->ed_silent = 0;
+
+	if (dev->ed_monitor) {
+		struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+		u8 ed_th = chan->band == NL80211_BAND_5GHZ ? 0x0e : 0x20;
+
+		mt76_clear(dev, MT_TX_LINK_CFG, MT_TX_CFACK_EN);
+		mt76_set(dev, MT_TXOP_CTRL_CFG, MT_TXOP_ED_CCA_EN);
+		mt76_rmw(dev, MT_BBP(AGC, 2), GENMASK(15, 0),
+			 ed_th << 8 | ed_th);
+		if (!is_mt76x2(dev))
+			mt76_set(dev, MT_TXOP_HLDR_ET,
+				 MT_TXOP_HLDR_TX40M_BLK_EN);
+	} else {
+		mt76_set(dev, MT_TX_LINK_CFG, MT_TX_CFACK_EN);
+		mt76_clear(dev, MT_TXOP_CTRL_CFG, MT_TXOP_ED_CCA_EN);
+		if (is_mt76x2(dev)) {
+			mt76_wr(dev, MT_BBP(AGC, 2), 0x00007070);
+		} else {
+			mt76_wr(dev, MT_BBP(AGC, 2), 0x003a6464);
+			mt76_clear(dev, MT_TXOP_HLDR_ET,
+				   MT_TXOP_HLDR_TX40M_BLK_EN);
+		}
+	}
+	mt76x02_edcca_tx_enable(dev, true);
+}
+EXPORT_SYMBOL_GPL(mt76x02_edcca_init);
+
+#define MT_EDCCA_TH		90
+#define MT_EDCCA_BLOCK_TH	2
+static void mt76x02_edcca_check(struct mt76x02_dev *dev)
+{
+	u32 val, busy;
+
+	val = mt76_rr(dev, MT_ED_CCA_TIMER);
+	busy = (val * 100) / jiffies_to_usecs(MT_CALIBRATE_INTERVAL);
+	busy = min_t(u32, busy, 100);
+
+	if (busy > MT_EDCCA_TH) {
+		dev->ed_trigger++;
+		dev->ed_silent = 0;
+	} else {
+		dev->ed_silent++;
+		dev->ed_trigger = 0;
+	}
+
+	if (dev->ed_trigger > MT_EDCCA_BLOCK_TH &&
+	    !dev->ed_tx_blocked)
+		mt76x02_edcca_tx_enable(dev, false);
+	else if (dev->ed_silent > MT_EDCCA_BLOCK_TH &&
+		 dev->ed_tx_blocked)
+		mt76x02_edcca_tx_enable(dev, true);
+}
+
 void mt76x02_mac_work(struct work_struct *work)
 {
 	struct mt76x02_dev *dev = container_of(work, struct mt76x02_dev,
@@ -798,6 +880,9 @@ void mt76x02_mac_work(struct work_struct *work)
 	if (!dev->beacon_mask)
 		mt76x02_check_mac_err(dev);
 
+	if (dev->ed_monitor)
+		mt76x02_edcca_check(dev);
+
 	mutex_unlock(&dev->mt76.mutex);
 
 	mt76_tx_status_check(&dev->mt76, NULL, false);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h
index 4e597004c445..0961db1e21b4 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h
@@ -210,4 +210,6 @@ int mt76x02_mac_set_beacon(struct mt76x02_dev *dev, u8 vif_idx,
 			   struct sk_buff *skb);
 void mt76x02_mac_set_beacon_enable(struct mt76x02_dev *dev, u8 vif_idx,
 				   bool val);
+
+void mt76x02_edcca_init(struct mt76x02_dev *dev);
 #endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_regs.h b/drivers/net/wireless/mediatek/mt76/mt76x02_regs.h
index f7de77d09d28..607382644eb2 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_regs.h
@@ -318,6 +318,7 @@
 #define MT_CH_TIME_CFG_NAV_AS_BUSY	BIT(3)
 #define MT_CH_TIME_CFG_EIFS_AS_BUSY	BIT(4)
 #define MT_CH_TIME_CFG_MDRDY_CNT_EN	BIT(5)
+#define MT_CH_CCA_RC_EN			BIT(6)
 #define MT_CH_TIME_CFG_CH_TIMER_CLR	GENMASK(9, 8)
 #define MT_CH_TIME_CFG_MDRDY_CLR	GENMASK(11, 10)
 
@@ -378,6 +379,9 @@
 #define MT_TX_PWR_CFG_4			0x1324
 #define MT_TX_PIN_CFG			0x1328
 #define MT_TX_PIN_CFG_TXANT		GENMASK(3, 0)
+#define MT_TX_PIN_CFG_RXANT		GENMASK(11, 8)
+#define MT_TX_PIN_RFTR_EN		BIT(16)
+#define MT_TX_PIN_TRSW_EN		BIT(18)
 
 #define MT_TX_BAND_CFG			0x132c
 #define MT_TX_BAND_CFG_UPPER_40M	BIT(0)
@@ -398,6 +402,7 @@
 #define MT_TXOP_CTRL_CFG		0x1340
 #define MT_TXOP_TRUN_EN			GENMASK(5, 0)
 #define MT_TXOP_EXT_CCA_DLY		GENMASK(15, 8)
+#define MT_TXOP_ED_CCA_EN		BIT(20)
 
 #define MT_TX_RTS_CFG			0x1344
 #define MT_TX_RTS_CFG_RETRY_LIMIT	GENMASK(7, 0)
@@ -409,6 +414,7 @@
 
 #define MT_TX_RETRY_CFG			0x134c
 #define MT_TX_LINK_CFG			0x1350
+#define MT_TX_CFACK_EN			BIT(12)
 #define MT_VHT_HT_FBK_CFG0		0x1354
 #define MT_VHT_HT_FBK_CFG1		0x1358
 #define MT_LG_FBK_CFG0			0x135c
@@ -511,6 +517,7 @@
 #define MT_RX_FILTR_CFG_CTRL_RSV	BIT(16)
 
 #define MT_AUTO_RSP_CFG			0x1404
+#define MT_AUTO_RSP_EN			BIT(0)
 #define MT_AUTO_RSP_PREAMB_SHORT	BIT(4)
 #define MT_LEGACY_BASIC_RATE		0x1408
 #define MT_HT_BASIC_RATE		0x140c
@@ -532,6 +539,7 @@
 #define MT_PN_PAD_MODE			0x150c
 
 #define MT_TXOP_HLDR_ET			0x1608
+#define MT_TXOP_HLDR_TX40M_BLK_EN	BIT(1)
 
 #define MT_PROT_AUTO_TX_CFG		0x1648
 #define MT_PROT_AUTO_TX_CFG_PROT_PADJ	GENMASK(11, 8)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c
index 41c60208f175..fc0a6fe5939b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c
@@ -151,6 +151,7 @@ static int mt76x2_mac_reset(struct mt76x02_dev *dev, bool hard)
 		MT_CH_TIME_CFG_RX_AS_BUSY |
 		MT_CH_TIME_CFG_NAV_AS_BUSY |
 		MT_CH_TIME_CFG_EIFS_AS_BUSY |
+		MT_CH_CCA_RC_EN |
 		FIELD_PREP(MT_CH_TIME_CFG_CH_TIMER_CLR, 1));
 
 	mt76x02_set_tx_ackto(dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c
index da7cd40f56ff..65ed62229a5b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c
@@ -254,6 +254,8 @@ int mt76x2_phy_set_channel(struct mt76x02_dev *dev,
 			       0x38);
 	}
 
+	mt76x02_edcca_init(dev);
+
 	ieee80211_queue_delayed_work(mt76_hw(dev), &dev->cal_work,
 				     MT_CALIBRATE_INTERVAL);
 
