diff --git a/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/mt76x02_mcu.c b/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/mt76x02_mcu.c
new file mode 100644
index 0000000..7597882
--- /dev/null
+++ b/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/mt76x02_mcu.c
@@ -0,0 +1,171 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/firmware.h>
+#include <linux/delay.h>
+
+#include "mt76x02_mcu.h"
+
+int mt76x02_mcu_parse_response(struct mt76_dev *mdev, int cmd,
+			       struct sk_buff *skb, int seq)
+{
+	struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
+	u32 *rxfce;
+
+	if (!skb) {
+		dev_err(mdev->dev, "MCU message %02x (seq %d) timed out\n",
+			abs(cmd), seq);
+		dev->mcu_timeout = 1;
+		return -ETIMEDOUT;
+	}
+
+	rxfce = (u32 *)skb->cb;
+	if (seq != FIELD_GET(MT_RX_FCE_INFO_CMD_SEQ, *rxfce))
+		return -EAGAIN;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mt76x02_mcu_parse_response);
+
+int mt76x02_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
+			 int len, bool wait_resp)
+{
+	struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
+	unsigned long expires = jiffies + HZ;
+	struct sk_buff *skb;
+	u32 tx_info;
+	int ret;
+	u8 seq;
+
+	if (dev->mcu_timeout)
+		return -EIO;
+
+	skb = mt76_mcu_msg_alloc(mdev, data, len);
+	if (!skb)
+		return -ENOMEM;
+
+	mutex_lock(&mdev->mcu.mutex);
+
+	seq = ++mdev->mcu.msg_seq & 0xf;
+	if (!seq)
+		seq = ++mdev->mcu.msg_seq & 0xf;
+
+	tx_info = MT_MCU_MSG_TYPE_CMD |
+		  FIELD_PREP(MT_MCU_MSG_CMD_TYPE, cmd) |
+		  FIELD_PREP(MT_MCU_MSG_CMD_SEQ, seq) |
+		  FIELD_PREP(MT_MCU_MSG_PORT, CPU_TX_PORT) |
+		  FIELD_PREP(MT_MCU_MSG_LEN, skb->len);
+
+	ret = mt76_tx_queue_skb_raw(dev, mdev->q_mcu[MT_MCUQ_WM], skb, tx_info);
+	if (ret)
+		goto out;
+
+	while (wait_resp) {
+		skb = mt76_mcu_get_response(&dev->mt76, expires);
+		ret = mt76x02_mcu_parse_response(mdev, cmd, skb, seq);
+		dev_kfree_skb(skb);
+		if (ret != -EAGAIN)
+			break;
+	}
+
+out:
+	mutex_unlock(&mdev->mcu.mutex);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(mt76x02_mcu_msg_send);
+
+int mt76x02_mcu_function_select(struct mt76x02_dev *dev, enum mcu_function func,
+				u32 val)
+{
+	struct {
+		__le32 id;
+		__le32 value;
+	} __packed __aligned(4) msg = {
+		.id = cpu_to_le32(func),
+		.value = cpu_to_le32(val),
+	};
+	bool wait = false;
+
+	if (func != Q_SELECT)
+		wait = true;
+
+	return mt76_mcu_send_msg(&dev->mt76, CMD_FUN_SET_OP, &msg,
+				 sizeof(msg), wait);
+}
+EXPORT_SYMBOL_GPL(mt76x02_mcu_function_select);
+
+int mt76x02_mcu_set_radio_state(struct mt76x02_dev *dev, bool on)
+{
+	struct {
+		__le32 mode;
+		__le32 level;
+	} __packed __aligned(4) msg = {
+		.mode = cpu_to_le32(on ? RADIO_ON : RADIO_OFF),
+		.level = cpu_to_le32(0),
+	};
+
+	return mt76_mcu_send_msg(&dev->mt76, CMD_POWER_SAVING_OP, &msg,
+				 sizeof(msg), false);
+}
+EXPORT_SYMBOL_GPL(mt76x02_mcu_set_radio_state);
+
+int mt76x02_mcu_calibrate(struct mt76x02_dev *dev, int type, u32 param)
+{
+	struct {
+		__le32 id;
+		__le32 value;
+	} __packed __aligned(4) msg = {
+		.id = cpu_to_le32(type),
+		.value = cpu_to_le32(param),
+	};
+	bool is_mt76x2e = mt76_is_mmio(&dev->mt76) && is_mt76x2(dev);
+	int ret;
+
+	if (is_mt76x2e)
+		mt76_rmw(dev, MT_MCU_COM_REG0, BIT(31), 0);
+
+	ret = mt76_mcu_send_msg(&dev->mt76, CMD_CALIBRATION_OP, &msg,
+				sizeof(msg), true);
+	if (ret)
+		return ret;
+
+	if (is_mt76x2e &&
+	    WARN_ON(!mt76_poll_msec(dev, MT_MCU_COM_REG0,
+				    BIT(31), BIT(31), 100)))
+		return -ETIMEDOUT;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mt76x02_mcu_calibrate);
+
+int mt76x02_mcu_cleanup(struct mt76x02_dev *dev)
+{
+	struct sk_buff *skb;
+
+	mt76_wr(dev, MT_MCU_INT_LEVEL, 1);
+	usleep_range(20000, 30000);
+
+	while ((skb = skb_dequeue(&dev->mt76.mcu.res_q)) != NULL)
+		dev_kfree_skb(skb);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mt76x02_mcu_cleanup);
+
+void mt76x02_set_ethtool_fwver(struct mt76x02_dev *dev,
+			       const struct mt76x02_fw_header *h)
+{
+	u16 bld = le16_to_cpu(h->build_ver);
+	u16 ver = le16_to_cpu(h->fw_ver);
+
+	snprintf(dev->mt76.hw->wiphy->fw_version,
+		 sizeof(dev->mt76.hw->wiphy->fw_version),
+		 "%d.%d.%02d-b%x",
+		 (ver >> 12) & 0xf, (ver >> 8) & 0xf, ver & 0xf, bld);
+}
+EXPORT_SYMBOL_GPL(mt76x02_set_ethtool_fwver);