diff --git a/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/src/mt7615/usb_sdio.c b/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/src/mt7615/usb_sdio.c
new file mode 100644
index 0000000..0052d10
--- /dev/null
+++ b/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/src/mt7615/usb_sdio.c
@@ -0,0 +1,352 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc.
+ *
+ * Author: Lorenzo Bianconi <lorenzo@kernel.org>
+ *	   Sean Wang <sean.wang@mediatek.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+
+#include "mt7615.h"
+#include "mac.h"
+#include "mcu.h"
+#include "regs.h"
+
+const u32 mt7663_usb_sdio_reg_map[] = {
+	[MT_TOP_CFG_BASE]	= 0x80020000,
+	[MT_HW_BASE]		= 0x80000000,
+	[MT_DMA_SHDL_BASE]	= 0x5000a000,
+	[MT_HIF_BASE]		= 0x50000000,
+	[MT_CSR_BASE]		= 0x40000000,
+	[MT_EFUSE_ADDR_BASE]	= 0x78011000,
+	[MT_TOP_MISC_BASE]	= 0x81020000,
+	[MT_PLE_BASE]		= 0x82060000,
+	[MT_PSE_BASE]		= 0x82068000,
+	[MT_PP_BASE]		= 0x8206c000,
+	[MT_WTBL_BASE_ADDR]	= 0x820e0000,
+	[MT_CFG_BASE]		= 0x820f0000,
+	[MT_AGG_BASE]		= 0x820f2000,
+	[MT_ARB_BASE]		= 0x820f3000,
+	[MT_TMAC_BASE]		= 0x820f4000,
+	[MT_RMAC_BASE]		= 0x820f5000,
+	[MT_DMA_BASE]		= 0x820f7000,
+	[MT_PF_BASE]		= 0x820f8000,
+	[MT_WTBL_BASE_ON]	= 0x820f9000,
+	[MT_WTBL_BASE_OFF]	= 0x820f9800,
+	[MT_LPON_BASE]		= 0x820fb000,
+	[MT_MIB_BASE]		= 0x820fd000,
+};
+EXPORT_SYMBOL_GPL(mt7663_usb_sdio_reg_map);
+
+static void
+mt7663_usb_sdio_write_txwi(struct mt7615_dev *dev, struct mt76_wcid *wcid,
+			   enum mt76_txq_id qid, struct ieee80211_sta *sta,
+			   struct ieee80211_key_conf *key, int pid,
+			   struct sk_buff *skb)
+{
+	__le32 *txwi = (__le32 *)(skb->data - MT_USB_TXD_SIZE);
+
+	memset(txwi, 0, MT_USB_TXD_SIZE);
+	mt7615_mac_write_txwi(dev, txwi, skb, wcid, sta, pid, key, qid, false);
+	skb_push(skb, MT_USB_TXD_SIZE);
+}
+
+static int mt7663_usb_sdio_set_rates(struct mt7615_dev *dev,
+				     struct mt7615_wtbl_rate_desc *wrd)
+{
+	struct mt7615_rate_desc *rate = &wrd->rate;
+	struct mt7615_sta *sta = wrd->sta;
+	u32 w5, w27, addr, val;
+	u16 idx;
+
+	lockdep_assert_held(&dev->mt76.mutex);
+
+	if (!sta)
+		return -EINVAL;
+
+	if (!mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000))
+		return -ETIMEDOUT;
+
+	addr = mt7615_mac_wtbl_addr(dev, sta->wcid.idx);
+
+	w27 = mt76_rr(dev, addr + 27 * 4);
+	w27 &= ~MT_WTBL_W27_CC_BW_SEL;
+	w27 |= FIELD_PREP(MT_WTBL_W27_CC_BW_SEL, rate->bw);
+
+	w5 = mt76_rr(dev, addr + 5 * 4);
+	w5 &= ~(MT_WTBL_W5_BW_CAP | MT_WTBL_W5_CHANGE_BW_RATE |
+		MT_WTBL_W5_MPDU_OK_COUNT |
+		MT_WTBL_W5_MPDU_FAIL_COUNT |
+		MT_WTBL_W5_RATE_IDX);
+	w5 |= FIELD_PREP(MT_WTBL_W5_BW_CAP, rate->bw) |
+	      FIELD_PREP(MT_WTBL_W5_CHANGE_BW_RATE,
+			 rate->bw_idx ? rate->bw_idx - 1 : 7);
+
+	mt76_wr(dev, MT_WTBL_RIUCR0, w5);
+
+	mt76_wr(dev, MT_WTBL_RIUCR1,
+		FIELD_PREP(MT_WTBL_RIUCR1_RATE0, rate->probe_val) |
+		FIELD_PREP(MT_WTBL_RIUCR1_RATE1, rate->val[0]) |
+		FIELD_PREP(MT_WTBL_RIUCR1_RATE2_LO, rate->val[1]));
+
+	mt76_wr(dev, MT_WTBL_RIUCR2,
+		FIELD_PREP(MT_WTBL_RIUCR2_RATE2_HI, rate->val[1] >> 8) |
+		FIELD_PREP(MT_WTBL_RIUCR2_RATE3, rate->val[1]) |
+		FIELD_PREP(MT_WTBL_RIUCR2_RATE4, rate->val[2]) |
+		FIELD_PREP(MT_WTBL_RIUCR2_RATE5_LO, rate->val[2]));
+
+	mt76_wr(dev, MT_WTBL_RIUCR3,
+		FIELD_PREP(MT_WTBL_RIUCR3_RATE5_HI, rate->val[2] >> 4) |
+		FIELD_PREP(MT_WTBL_RIUCR3_RATE6, rate->val[3]) |
+		FIELD_PREP(MT_WTBL_RIUCR3_RATE7, rate->val[3]));
+
+	mt76_wr(dev, MT_WTBL_UPDATE,
+		FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, sta->wcid.idx) |
+		MT_WTBL_UPDATE_RATE_UPDATE |
+		MT_WTBL_UPDATE_TX_COUNT_CLEAR);
+
+	mt76_wr(dev, addr + 27 * 4, w27);
+
+	sta->rate_probe = sta->rateset[rate->rateset].probe_rate.idx != -1;
+
+	idx = sta->vif->mt76.omac_idx;
+	idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
+	addr = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
+
+	mt76_rmw(dev, addr, MT_LPON_TCR_MODE, MT_LPON_TCR_READ); /* TSF read */
+	val = mt76_rr(dev, MT_LPON_UTTR0);
+	sta->rate_set_tsf = (val & ~BIT(0)) | rate->rateset;
+
+	if (!(sta->wcid.tx_info & MT_WCID_TX_INFO_SET))
+		mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000);
+
+	sta->rate_count = 2 * MT7615_RATE_RETRY * sta->n_rates;
+	sta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
+
+	return 0;
+}
+
+static void mt7663_usb_sdio_rate_work(struct work_struct *work)
+{
+	struct mt7615_wtbl_rate_desc *wrd, *wrd_next;
+	struct list_head wrd_list;
+	struct mt7615_dev *dev;
+
+	dev = (struct mt7615_dev *)container_of(work, struct mt7615_dev,
+						rate_work);
+
+	INIT_LIST_HEAD(&wrd_list);
+	spin_lock_bh(&dev->mt76.lock);
+	list_splice_init(&dev->wrd_head, &wrd_list);
+	spin_unlock_bh(&dev->mt76.lock);
+
+	list_for_each_entry_safe(wrd, wrd_next, &wrd_list, node) {
+		list_del(&wrd->node);
+
+		mt7615_mutex_acquire(dev);
+		mt7663_usb_sdio_set_rates(dev, wrd);
+		mt7615_mutex_release(dev);
+
+		kfree(wrd);
+	}
+}
+
+bool mt7663_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update)
+{
+	struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
+
+	mt7615_mutex_acquire(dev);
+	mt7615_mac_sta_poll(dev);
+	mt7615_mutex_release(dev);
+
+	return false;
+}
+EXPORT_SYMBOL_GPL(mt7663_usb_sdio_tx_status_data);
+
+void mt7663_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
+				     struct mt76_queue_entry *e)
+{
+	unsigned int headroom = MT_USB_TXD_SIZE;
+
+	if (mt76_is_usb(mdev))
+		headroom += MT_USB_HDR_SIZE;
+	skb_pull(e->skb, headroom);
+
+	mt76_tx_complete_skb(mdev, e->wcid, e->skb);
+}
+EXPORT_SYMBOL_GPL(mt7663_usb_sdio_tx_complete_skb);
+
+int mt7663_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
+				   enum mt76_txq_id qid, struct mt76_wcid *wcid,
+				   struct ieee80211_sta *sta,
+				   struct mt76_tx_info *tx_info)
+{
+	struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
+	struct sk_buff *skb = tx_info->skb;
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_key_conf *key = info->control.hw_key;
+	struct mt7615_sta *msta;
+	int pad, err, pktid;
+
+	msta = wcid ? container_of(wcid, struct mt7615_sta, wcid) : NULL;
+	if (!wcid)
+		wcid = &dev->mt76.global_wcid;
+
+	if ((info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) &&
+	    msta && !msta->rate_probe) {
+		/* request to configure sampling rate */
+		spin_lock_bh(&dev->mt76.lock);
+		mt7615_mac_set_rates(&dev->phy, msta, &info->control.rates[0],
+				     msta->rates);
+		spin_unlock_bh(&dev->mt76.lock);
+	}
+
+	pktid = mt76_tx_status_skb_add(&dev->mt76, wcid, skb);
+	mt7663_usb_sdio_write_txwi(dev, wcid, qid, sta, key, pktid, skb);
+	if (mt76_is_usb(mdev)) {
+		u32 len = skb->len;
+
+		put_unaligned_le32(len, skb_push(skb, sizeof(len)));
+		pad = round_up(skb->len, 4) + 4 - skb->len;
+	} else {
+		pad = round_up(skb->len, 4) - skb->len;
+	}
+
+	err = mt76_skb_adjust_pad(skb, pad);
+	if (err)
+		/* Release pktid in case of error. */
+		idr_remove(&wcid->pktid, pktid);
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(mt7663_usb_sdio_tx_prepare_skb);
+
+static int mt7663u_dma_sched_init(struct mt7615_dev *dev)
+{
+	int i;
+
+	mt76_rmw(dev, MT_DMA_SHDL(MT_DMASHDL_PKT_MAX_SIZE),
+		 MT_DMASHDL_PKT_MAX_SIZE_PLE | MT_DMASHDL_PKT_MAX_SIZE_PSE,
+		 FIELD_PREP(MT_DMASHDL_PKT_MAX_SIZE_PLE, 1) |
+		 FIELD_PREP(MT_DMASHDL_PKT_MAX_SIZE_PSE, 8));
+
+	/* disable refill group 5 - group 15 and raise group 2
+	 * and 3 as high priority.
+	 */
+	mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_REFILL), 0xffe00006);
+	mt76_clear(dev, MT_DMA_SHDL(MT_DMASHDL_PAGE), BIT(16));
+
+	for (i = 0; i < 5; i++)
+		mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_GROUP_QUOTA(i)),
+			FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MIN, 0x3) |
+			FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MAX, 0x1ff));
+
+	mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(0)), 0x42104210);
+	mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(1)), 0x42104210);
+
+	mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(2)), 0x4444);
+
+	/* group pririority from high to low:
+	 * 15 (cmd groups) > 4 > 3 > 2 > 1 > 0.
+	 */
+	mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_SCHED_SET0), 0x6501234f);
+	mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_SCHED_SET1), 0xedcba987);
+	mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_OPTIONAL), 0x7004801c);
+
+	mt76_wr(dev, MT_UDMA_WLCFG_1,
+		FIELD_PREP(MT_WL_TX_TMOUT_LMT, 80000) |
+		FIELD_PREP(MT_WL_RX_AGG_PKT_LMT, 1));
+
+	/* setup UDMA Rx Flush */
+	mt76_clear(dev, MT_UDMA_WLCFG_0, MT_WL_RX_FLUSH);
+	/* hif reset */
+	mt76_set(dev, MT_HIF_RST, MT_HIF_LOGIC_RST_N);
+
+	mt76_set(dev, MT_UDMA_WLCFG_0,
+		 MT_WL_RX_AGG_EN | MT_WL_RX_EN | MT_WL_TX_EN |
+		 MT_WL_RX_MPSZ_PAD0 | MT_TICK_1US_EN |
+		 MT_WL_TX_TMOUT_FUNC_EN);
+	mt76_rmw(dev, MT_UDMA_WLCFG_0, MT_WL_RX_AGG_LMT | MT_WL_RX_AGG_TO,
+		 FIELD_PREP(MT_WL_RX_AGG_LMT, 32) |
+		 FIELD_PREP(MT_WL_RX_AGG_TO, 100));
+
+	return 0;
+}
+
+static int mt7663_usb_sdio_init_hardware(struct mt7615_dev *dev)
+{
+	int ret, idx;
+
+	ret = mt7615_eeprom_init(dev, MT_EFUSE_BASE);
+	if (ret < 0)
+		return ret;
+
+	if (mt76_is_usb(&dev->mt76)) {
+		ret = mt7663u_dma_sched_init(dev);
+		if (ret)
+			return ret;
+	}
+
+	set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
+
+	/* Beacon and mgmt frames should occupy wcid 0 */
+	idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
+	if (idx)
+		return -ENOSPC;
+
+	dev->mt76.global_wcid.idx = idx;
+	dev->mt76.global_wcid.hw_key_idx = -1;
+	rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
+
+	return 0;
+}
+
+int mt7663_usb_sdio_register_device(struct mt7615_dev *dev)
+{
+	struct ieee80211_hw *hw = mt76_hw(dev);
+	int err;
+
+	INIT_WORK(&dev->rate_work, mt7663_usb_sdio_rate_work);
+	INIT_LIST_HEAD(&dev->wrd_head);
+	mt7615_init_device(dev);
+
+	err = mt7663_usb_sdio_init_hardware(dev);
+	if (err)
+		return err;
+
+	hw->extra_tx_headroom += MT_USB_TXD_SIZE;
+	if (mt76_is_usb(&dev->mt76)) {
+		hw->extra_tx_headroom += MT_USB_HDR_SIZE;
+		/* check hw sg support in order to enable AMSDU */
+		if (dev->mt76.usb.sg_en)
+			hw->max_tx_fragments = MT_HW_TXP_MAX_BUF_NUM;
+		else
+			hw->max_tx_fragments = 1;
+	}
+
+	err = mt76_register_device(&dev->mt76, true, mt76_rates,
+				   ARRAY_SIZE(mt76_rates));
+	if (err < 0)
+		return err;
+
+	if (!dev->mt76.usb.sg_en) {
+		struct ieee80211_sta_vht_cap *vht_cap;
+
+		/* decrease max A-MSDU size if SG is not supported */
+		vht_cap = &dev->mphy.sband_5g.sband.vht_cap;
+		vht_cap->cap &= ~IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454;
+	}
+
+	ieee80211_queue_work(hw, &dev->mcu_work);
+	mt7615_init_txpower(dev, &dev->mphy.sband_2g.sband);
+	mt7615_init_txpower(dev, &dev->mphy.sband_5g.sband);
+
+	return mt7615_init_debugfs(dev);
+}
+EXPORT_SYMBOL_GPL(mt7663_usb_sdio_register_device);
+
+MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>");
+MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>");
+MODULE_LICENSE("Dual BSD/GPL");