Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

25 files changed, 7773 insertions, 0 deletions

diff --git a/drivers/net/wireless/mediatek/mt7601u/Kconfig b/drivers/net/wireless/mediatek/mt7601u/Kconfig
new file mode 100644
index 000000000..4a8b96280
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/Kconfig
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config MT7601U
+	tristate "MediaTek MT7601U (USB) support"
+	depends on MAC80211
+	depends on USB
+	help
+	  This adds support for MT7601U-based wireless USB dongles.
diff --git a/drivers/net/wireless/mediatek/mt7601u/Makefile b/drivers/net/wireless/mediatek/mt7601u/Makefile
new file mode 100644
index 000000000..30f2391c7
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/Makefile
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_MT7601U)	+= mt7601u.o
+
+mt7601u-objs	= \
+	usb.o init.o main.o mcu.o trace.o dma.o core.o eeprom.o phy.o \
+	mac.o util.o debugfs.o tx.o
+
+CFLAGS_trace.o := -I$(src)
diff --git a/drivers/net/wireless/mediatek/mt7601u/core.c b/drivers/net/wireless/mediatek/mt7601u/core.c
new file mode 100644
index 000000000..907443b36
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/core.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#include "mt7601u.h"
+
+int mt7601u_wait_asic_ready(struct mt7601u_dev *dev)
+{
+	int i = 100;
+	u32 val;
+
+	do {
+		if (test_bit(MT7601U_STATE_REMOVED, &dev->state))
+			return -EIO;
+
+		val = mt7601u_rr(dev, MT_MAC_CSR0);
+		if (val && ~val)
+			return 0;
+
+		udelay(10);
+	} while (i--);
+
+	return -EIO;
+}
+
+bool mt76_poll(struct mt7601u_dev *dev, u32 offset, u32 mask, u32 val,
+	       int timeout)
+{
+	u32 cur;
+
+	timeout /= 10;
+	do {
+		if (test_bit(MT7601U_STATE_REMOVED, &dev->state))
+			return false;
+
+		cur = mt7601u_rr(dev, offset) & mask;
+		if (cur == val)
+			return true;
+
+		udelay(10);
+	} while (timeout-- > 0);
+
+	dev_err(dev->dev, "Error: Time out with reg %08x\n", offset);
+
+	return false;
+}
+
+bool mt76_poll_msec(struct mt7601u_dev *dev, u32 offset, u32 mask, u32 val,
+		    int timeout)
+{
+	u32 cur;
+
+	timeout /= 10;
+	do {
+		if (test_bit(MT7601U_STATE_REMOVED, &dev->state))
+			return false;
+
+		cur = mt7601u_rr(dev, offset) & mask;
+		if (cur == val)
+			return true;
+
+		msleep(10);
+	} while (timeout-- > 0);
+
+	dev_err(dev->dev, "Error: Time out with reg %08x\n", offset);
+
+	return false;
+}
diff --git a/drivers/net/wireless/mediatek/mt7601u/debugfs.c b/drivers/net/wireless/mediatek/mt7601u/debugfs.c
new file mode 100644
index 000000000..20669eacb
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/debugfs.c
@@ -0,0 +1,140 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#include <linux/debugfs.h>
+
+#include "mt7601u.h"
+#include "eeprom.h"
+
+static int
+mt76_reg_set(void *data, u64 val)
+{
+	struct mt7601u_dev *dev = data;
+
+	mt76_wr(dev, dev->debugfs_reg, val);
+	return 0;
+}
+
+static int
+mt76_reg_get(void *data, u64 *val)
+{
+	struct mt7601u_dev *dev = data;
+
+	*val = mt76_rr(dev, dev->debugfs_reg);
+	return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set, "0x%08llx\n");
+
+static int
+mt7601u_ampdu_stat_show(struct seq_file *file, void *data)
+{
+	struct mt7601u_dev *dev = file->private;
+	int i, j;
+
+#define stat_printf(grp, off, name)					\
+	seq_printf(file, #name ":\t%llu\n", dev->stats.grp[off])
+
+	stat_printf(rx_stat, 0, rx_crc_err);
+	stat_printf(rx_stat, 1, rx_phy_err);
+	stat_printf(rx_stat, 2, rx_false_cca);
+	stat_printf(rx_stat, 3, rx_plcp_err);
+	stat_printf(rx_stat, 4, rx_fifo_overflow);
+	stat_printf(rx_stat, 5, rx_duplicate);
+
+	stat_printf(tx_stat, 0, tx_fail_cnt);
+	stat_printf(tx_stat, 1, tx_bcn_cnt);
+	stat_printf(tx_stat, 2, tx_success);
+	stat_printf(tx_stat, 3, tx_retransmit);
+	stat_printf(tx_stat, 4, tx_zero_len);
+	stat_printf(tx_stat, 5, tx_underflow);
+
+	stat_printf(aggr_stat, 0, non_aggr_tx);
+	stat_printf(aggr_stat, 1, aggr_tx);
+
+	stat_printf(zero_len_del, 0, tx_zero_len_del);
+	stat_printf(zero_len_del, 1, rx_zero_len_del);
+#undef stat_printf
+
+	seq_puts(file, "Aggregations stats:\n");
+	for (i = 0; i < 4; i++) {
+		for (j = 0; j < 8; j++)
+			seq_printf(file, "%08llx ",
+				   dev->stats.aggr_n[i * 8 + j]);
+		seq_putc(file, '\n');
+	}
+
+	seq_printf(file, "recent average AMPDU len: %d\n",
+		   atomic_read(&dev->avg_ampdu_len));
+
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(mt7601u_ampdu_stat);
+
+static int
+mt7601u_eeprom_param_show(struct seq_file *file, void *data)
+{
+	struct mt7601u_dev *dev = file->private;
+	struct mt7601u_rate_power *rp = &dev->ee->power_rate_table;
+	struct tssi_data *td = &dev->ee->tssi_data;
+	int i;
+
+	seq_printf(file, "RF freq offset: %hhx\n", dev->ee->rf_freq_off);
+	seq_printf(file, "RSSI offset: %hhx %hhx\n",
+		   dev->ee->rssi_offset[0], dev->ee->rssi_offset[1]);
+	seq_printf(file, "Reference temp: %hhx\n", dev->ee->ref_temp);
+	seq_printf(file, "LNA gain: %hhx\n", dev->ee->lna_gain);
+	seq_printf(file, "Reg channels: %hhu-%hhu\n", dev->ee->reg.start,
+		   dev->ee->reg.start + dev->ee->reg.num - 1);
+
+	seq_puts(file, "Per rate power:\n");
+	for (i = 0; i < 2; i++)
+		seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
+			   rp->cck[i].raw, rp->cck[i].bw20, rp->cck[i].bw40);
+	for (i = 0; i < 4; i++)
+		seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
+			   rp->ofdm[i].raw, rp->ofdm[i].bw20, rp->ofdm[i].bw40);
+	for (i = 0; i < 4; i++)
+		seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
+			   rp->ht[i].raw, rp->ht[i].bw20, rp->ht[i].bw40);
+
+	seq_puts(file, "Per channel power:\n");
+	for (i = 0; i < 7; i++)
+		seq_printf(file, "\t tx_power  ch%u:%02hhx ch%u:%02hhx\n",
+			   i * 2 + 1, dev->ee->chan_pwr[i * 2],
+			   i * 2 + 2, dev->ee->chan_pwr[i * 2 + 1]);
+
+	if (!dev->ee->tssi_enabled)
+		return 0;
+
+	seq_puts(file, "TSSI:\n");
+	seq_printf(file, "\t slope:%02hhx\n", td->slope);
+	seq_printf(file, "\t offset=%02hhx %02hhx %02hhx\n",
+		   td->offset[0], td->offset[1], td->offset[2]);
+	seq_printf(file, "\t delta_off:%08x\n", td->tx0_delta_offset);
+
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(mt7601u_eeprom_param);
+
+void mt7601u_init_debugfs(struct mt7601u_dev *dev)
+{
+	struct dentry *dir;
+
+	dir = debugfs_create_dir("mt7601u", dev->hw->wiphy->debugfsdir);
+	if (!dir)
+		return;
+
+	debugfs_create_u8("temperature", 0400, dir, &dev->raw_temp);
+	debugfs_create_u32("temp_mode", 0400, dir, &dev->temp_mode);
+
+	debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
+	debugfs_create_file("regval", 0600, dir, dev, &fops_regval);
+	debugfs_create_file("ampdu_stat", 0400, dir, dev, &mt7601u_ampdu_stat_fops);
+	debugfs_create_file("eeprom_param", 0400, dir, dev, &mt7601u_eeprom_param_fops);
+}
diff --git a/drivers/net/wireless/mediatek/mt7601u/dma.c b/drivers/net/wireless/mediatek/mt7601u/dma.c
new file mode 100644
index 000000000..8ba291abe
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/dma.c
@@ -0,0 +1,540 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#include "mt7601u.h"
+#include "dma.h"
+#include "usb.h"
+#include "trace.h"
+
+static int mt7601u_submit_rx_buf(struct mt7601u_dev *dev,
+				 struct mt7601u_dma_buf_rx *e, gfp_t gfp);
+
+static unsigned int ieee80211_get_hdrlen_from_buf(const u8 *data, unsigned len)
+{
+	const struct ieee80211_hdr *hdr = (const struct ieee80211_hdr *)data;
+	unsigned int hdrlen;
+
+	if (unlikely(len < 10))
+		return 0;
+	hdrlen = ieee80211_hdrlen(hdr->frame_control);
+	if (unlikely(hdrlen > len))
+		return 0;
+	return hdrlen;
+}
+
+static struct sk_buff *
+mt7601u_rx_skb_from_seg(struct mt7601u_dev *dev, struct mt7601u_rxwi *rxwi,
+			void *data, u32 seg_len, u32 truesize, struct page *p)
+{
+	struct sk_buff *skb;
+	u32 true_len, hdr_len = 0, copy, frag;
+
+	skb = alloc_skb(p ? 128 : seg_len, GFP_ATOMIC);
+	if (!skb)
+		return NULL;
+
+	true_len = mt76_mac_process_rx(dev, skb, data, rxwi);
+	if (!true_len || true_len > seg_len)
+		goto bad_frame;
+
+	hdr_len = ieee80211_get_hdrlen_from_buf(data, true_len);
+	if (!hdr_len)
+		goto bad_frame;
+
+	if (rxwi->rxinfo & cpu_to_le32(MT_RXINFO_L2PAD)) {
+		skb_put_data(skb, data, hdr_len);
+
+		data += hdr_len + 2;
+		true_len -= hdr_len;
+		hdr_len = 0;
+	}
+
+	/* If not doing paged RX allocated skb will always have enough space */
+	copy = (true_len <= skb_tailroom(skb)) ? true_len : hdr_len + 8;
+	frag = true_len - copy;
+
+	skb_put_data(skb, data, copy);
+	data += copy;
+
+	if (frag) {
+		skb_add_rx_frag(skb, 0, p, data - page_address(p),
+				frag, truesize);
+		get_page(p);
+	}
+
+	return skb;
+
+bad_frame:
+	dev_err_ratelimited(dev->dev, "Error: incorrect frame len:%u hdr:%u\n",
+			    true_len, hdr_len);
+	dev_kfree_skb(skb);
+	return NULL;
+}
+
+static void mt7601u_rx_process_seg(struct mt7601u_dev *dev, u8 *data,
+				   u32 seg_len, struct page *p)
+{
+	struct sk_buff *skb;
+	struct mt7601u_rxwi *rxwi;
+	u32 fce_info, truesize = seg_len;
+
+	/* DMA_INFO field at the beginning of the segment contains only some of
+	 * the information, we need to read the FCE descriptor from the end.
+	 */
+	fce_info = get_unaligned_le32(data + seg_len - MT_FCE_INFO_LEN);
+	seg_len -= MT_FCE_INFO_LEN;
+
+	data += MT_DMA_HDR_LEN;
+	seg_len -= MT_DMA_HDR_LEN;
+
+	rxwi = (struct mt7601u_rxwi *) data;
+	data += sizeof(struct mt7601u_rxwi);
+	seg_len -= sizeof(struct mt7601u_rxwi);
+
+	if (unlikely(rxwi->zero[0] || rxwi->zero[1] || rxwi->zero[2]))
+		dev_err_once(dev->dev, "Error: RXWI zero fields are set\n");
+	if (unlikely(FIELD_GET(MT_RXD_INFO_TYPE, fce_info)))
+		dev_err_once(dev->dev, "Error: RX path seen a non-pkt urb\n");
+
+	trace_mt_rx(dev, rxwi, fce_info);
+
+	skb = mt7601u_rx_skb_from_seg(dev, rxwi, data, seg_len, truesize, p);
+	if (!skb)
+		return;
+
+	spin_lock(&dev->mac_lock);
+	ieee80211_rx(dev->hw, skb);
+	spin_unlock(&dev->mac_lock);
+}
+
+static u16 mt7601u_rx_next_seg_len(u8 *data, u32 data_len)
+{
+	u32 min_seg_len = MT_DMA_HDR_LEN + MT_RX_INFO_LEN +
+		sizeof(struct mt7601u_rxwi) + MT_FCE_INFO_LEN;
+	u16 dma_len = get_unaligned_le16(data);
+
+	if (data_len < min_seg_len ||
+	    WARN_ON_ONCE(!dma_len) ||
+	    WARN_ON_ONCE(dma_len + MT_DMA_HDRS > data_len) ||
+	    WARN_ON_ONCE(dma_len & 0x3) ||
+	    WARN_ON_ONCE(dma_len < min_seg_len))
+		return 0;
+
+	return MT_DMA_HDRS + dma_len;
+}
+
+static void
+mt7601u_rx_process_entry(struct mt7601u_dev *dev, struct mt7601u_dma_buf_rx *e)
+{
+	u32 seg_len, data_len = e->urb->actual_length;
+	u8 *data = page_address(e->p);
+	struct page *new_p = NULL;
+	int cnt = 0;
+
+	if (!test_bit(MT7601U_STATE_INITIALIZED, &dev->state))
+		return;
+
+	/* Copy if there is very little data in the buffer. */
+	if (data_len > 512)
+		new_p = dev_alloc_pages(MT_RX_ORDER);
+
+	while ((seg_len = mt7601u_rx_next_seg_len(data, data_len))) {
+		mt7601u_rx_process_seg(dev, data, seg_len, new_p ? e->p : NULL);
+
+		data_len -= seg_len;
+		data += seg_len;
+		cnt++;
+	}
+
+	if (cnt > 1)
+		trace_mt_rx_dma_aggr(dev, cnt, !!new_p);
+
+	if (new_p) {
+		/* we have one extra ref from the allocator */
+		put_page(e->p);
+		e->p = new_p;
+	}
+}
+
+static struct mt7601u_dma_buf_rx *
+mt7601u_rx_get_pending_entry(struct mt7601u_dev *dev)
+{
+	struct mt7601u_rx_queue *q = &dev->rx_q;
+	struct mt7601u_dma_buf_rx *buf = NULL;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->rx_lock, flags);
+
+	if (!q->pending)
+		goto out;
+
+	buf = &q->e[q->start];
+	q->pending--;
+	q->start = (q->start + 1) % q->entries;
+out:
+	spin_unlock_irqrestore(&dev->rx_lock, flags);
+
+	return buf;
+}
+
+static void mt7601u_complete_rx(struct urb *urb)
+{
+	struct mt7601u_dev *dev = urb->context;
+	struct mt7601u_rx_queue *q = &dev->rx_q;
+	unsigned long flags;
+
+	/* do no schedule rx tasklet if urb has been unlinked
+	 * or the device has been removed
+	 */
+	switch (urb->status) {
+	case -ECONNRESET:
+	case -ESHUTDOWN:
+	case -ENOENT:
+		return;
+	default:
+		dev_err_ratelimited(dev->dev, "rx urb failed: %d\n",
+				    urb->status);
+		fallthrough;
+	case 0:
+		break;
+	}
+
+	spin_lock_irqsave(&dev->rx_lock, flags);
+	if (WARN_ONCE(q->e[q->end].urb != urb, "RX urb mismatch"))
+		goto out;
+
+	q->end = (q->end + 1) % q->entries;
+	q->pending++;
+	tasklet_schedule(&dev->rx_tasklet);
+out:
+	spin_unlock_irqrestore(&dev->rx_lock, flags);
+}
+
+static void mt7601u_rx_tasklet(unsigned long data)
+{
+	struct mt7601u_dev *dev = (struct mt7601u_dev *) data;
+	struct mt7601u_dma_buf_rx *e;
+
+	while ((e = mt7601u_rx_get_pending_entry(dev))) {
+		if (e->urb->status)
+			continue;
+
+		mt7601u_rx_process_entry(dev, e);
+		mt7601u_submit_rx_buf(dev, e, GFP_ATOMIC);
+	}
+}
+
+static void mt7601u_complete_tx(struct urb *urb)
+{
+	struct mt7601u_tx_queue *q = urb->context;
+	struct mt7601u_dev *dev = q->dev;
+	struct sk_buff *skb;
+	unsigned long flags;
+
+	switch (urb->status) {
+	case -ECONNRESET:
+	case -ESHUTDOWN:
+	case -ENOENT:
+		return;
+	default:
+		dev_err_ratelimited(dev->dev, "tx urb failed: %d\n",
+				    urb->status);
+		fallthrough;
+	case 0:
+		break;
+	}
+
+	spin_lock_irqsave(&dev->tx_lock, flags);
+	if (WARN_ONCE(q->e[q->start].urb != urb, "TX urb mismatch"))
+		goto out;
+
+	skb = q->e[q->start].skb;
+	q->e[q->start].skb = NULL;
+	trace_mt_tx_dma_done(dev, skb);
+
+	__skb_queue_tail(&dev->tx_skb_done, skb);
+	tasklet_schedule(&dev->tx_tasklet);
+
+	if (q->used == q->entries - q->entries / 8)
+		ieee80211_wake_queue(dev->hw, skb_get_queue_mapping(skb));
+
+	q->start = (q->start + 1) % q->entries;
+	q->used--;
+out:
+	spin_unlock_irqrestore(&dev->tx_lock, flags);
+}
+
+static void mt7601u_tx_tasklet(unsigned long data)
+{
+	struct mt7601u_dev *dev = (struct mt7601u_dev *) data;
+	struct sk_buff_head skbs;
+	unsigned long flags;
+
+	__skb_queue_head_init(&skbs);
+
+	spin_lock_irqsave(&dev->tx_lock, flags);
+
+	set_bit(MT7601U_STATE_MORE_STATS, &dev->state);
+	if (!test_and_set_bit(MT7601U_STATE_READING_STATS, &dev->state))
+		queue_delayed_work(dev->stat_wq, &dev->stat_work,
+				   msecs_to_jiffies(10));
+
+	skb_queue_splice_init(&dev->tx_skb_done, &skbs);
+
+	spin_unlock_irqrestore(&dev->tx_lock, flags);
+
+	while (!skb_queue_empty(&skbs)) {
+		struct sk_buff *skb = __skb_dequeue(&skbs);
+
+		mt7601u_tx_status(dev, skb);
+	}
+}
+
+static int mt7601u_dma_submit_tx(struct mt7601u_dev *dev,
+				 struct sk_buff *skb, u8 ep)
+{
+	struct usb_device *usb_dev = mt7601u_to_usb_dev(dev);
+	unsigned snd_pipe = usb_sndbulkpipe(usb_dev, dev->out_eps[ep]);
+	struct mt7601u_dma_buf_tx *e;
+	struct mt7601u_tx_queue *q = &dev->tx_q[ep];
+	unsigned long flags;
+	int ret;
+
+	spin_lock_irqsave(&dev->tx_lock, flags);
+
+	if (WARN_ON(q->entries <= q->used)) {
+		ret = -ENOSPC;
+		goto out;
+	}
+
+	e = &q->e[q->end];
+	usb_fill_bulk_urb(e->urb, usb_dev, snd_pipe, skb->data, skb->len,
+			  mt7601u_complete_tx, q);
+	ret = usb_submit_urb(e->urb, GFP_ATOMIC);
+	if (ret) {
+		/* Special-handle ENODEV from TX urb submission because it will
+		 * often be the first ENODEV we see after device is removed.
+		 */
+		if (ret == -ENODEV)
+			set_bit(MT7601U_STATE_REMOVED, &dev->state);
+		else
+			dev_err(dev->dev, "Error: TX urb submit failed:%d\n",
+				ret);
+		goto out;
+	}
+
+	q->end = (q->end + 1) % q->entries;
+	q->used++;
+	e->skb = skb;
+
+	if (q->used >= q->entries)
+		ieee80211_stop_queue(dev->hw, skb_get_queue_mapping(skb));
+out:
+	spin_unlock_irqrestore(&dev->tx_lock, flags);
+
+	return ret;
+}
+
+/* Map hardware Q to USB endpoint number */
+static u8 q2ep(u8 qid)
+{
+	/* TODO: take management packets to queue 5 */
+	return qid + 1;
+}
+
+/* Map USB endpoint number to Q id in the DMA engine */
+static enum mt76_qsel ep2dmaq(u8 ep)
+{
+	if (ep == 5)
+		return MT_QSEL_MGMT;
+	return MT_QSEL_EDCA;
+}
+
+int mt7601u_dma_enqueue_tx(struct mt7601u_dev *dev, struct sk_buff *skb,
+			   struct mt76_wcid *wcid, int hw_q)
+{
+	u8 ep = q2ep(hw_q);
+	u32 dma_flags;
+	int ret;
+
+	dma_flags = MT_TXD_PKT_INFO_80211;
+	if (wcid->hw_key_idx == 0xff)
+		dma_flags |= MT_TXD_PKT_INFO_WIV;
+
+	ret = mt7601u_dma_skb_wrap_pkt(skb, ep2dmaq(ep), dma_flags);
+	if (ret)
+		return ret;
+
+	ret = mt7601u_dma_submit_tx(dev, skb, ep);
+	if (ret) {
+		ieee80211_free_txskb(dev->hw, skb);
+		return ret;
+	}
+
+	return 0;
+}
+
+static void mt7601u_kill_rx(struct mt7601u_dev *dev)
+{
+	int i;
+
+	for (i = 0; i < dev->rx_q.entries; i++)
+		usb_poison_urb(dev->rx_q.e[i].urb);
+}
+
+static int mt7601u_submit_rx_buf(struct mt7601u_dev *dev,
+				 struct mt7601u_dma_buf_rx *e, gfp_t gfp)
+{
+	struct usb_device *usb_dev = mt7601u_to_usb_dev(dev);
+	u8 *buf = page_address(e->p);
+	unsigned pipe;
+	int ret;
+
+	pipe = usb_rcvbulkpipe(usb_dev, dev->in_eps[MT_EP_IN_PKT_RX]);
+
+	usb_fill_bulk_urb(e->urb, usb_dev, pipe, buf, MT_RX_URB_SIZE,
+			  mt7601u_complete_rx, dev);
+
+	trace_mt_submit_urb(dev, e->urb);
+	ret = usb_submit_urb(e->urb, gfp);
+	if (ret)
+		dev_err(dev->dev, "Error: submit RX URB failed:%d\n", ret);
+
+	return ret;
+}
+
+static int mt7601u_submit_rx(struct mt7601u_dev *dev)
+{
+	int i, ret;
+
+	for (i = 0; i < dev->rx_q.entries; i++) {
+		ret = mt7601u_submit_rx_buf(dev, &dev->rx_q.e[i], GFP_KERNEL);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static void mt7601u_free_rx(struct mt7601u_dev *dev)
+{
+	int i;
+
+	for (i = 0; i < dev->rx_q.entries; i++) {
+		__free_pages(dev->rx_q.e[i].p, MT_RX_ORDER);
+		usb_free_urb(dev->rx_q.e[i].urb);
+	}
+}
+
+static int mt7601u_alloc_rx(struct mt7601u_dev *dev)
+{
+	int i;
+
+	memset(&dev->rx_q, 0, sizeof(dev->rx_q));
+	dev->rx_q.dev = dev;
+	dev->rx_q.entries = N_RX_ENTRIES;
+
+	for (i = 0; i < N_RX_ENTRIES; i++) {
+		dev->rx_q.e[i].urb = usb_alloc_urb(0, GFP_KERNEL);
+		dev->rx_q.e[i].p = dev_alloc_pages(MT_RX_ORDER);
+
+		if (!dev->rx_q.e[i].urb || !dev->rx_q.e[i].p)
+			return -ENOMEM;
+	}
+
+	return 0;
+}
+
+static void mt7601u_free_tx_queue(struct mt7601u_tx_queue *q)
+{
+	int i;
+
+	for (i = 0; i < q->entries; i++)  {
+		usb_poison_urb(q->e[i].urb);
+		if (q->e[i].skb)
+			mt7601u_tx_status(q->dev, q->e[i].skb);
+		usb_free_urb(q->e[i].urb);
+	}
+}
+
+static void mt7601u_free_tx(struct mt7601u_dev *dev)
+{
+	int i;
+
+	if (!dev->tx_q)
+		return;
+
+	for (i = 0; i < __MT_EP_OUT_MAX; i++)
+		mt7601u_free_tx_queue(&dev->tx_q[i]);
+}
+
+static int mt7601u_alloc_tx_queue(struct mt7601u_dev *dev,
+				  struct mt7601u_tx_queue *q)
+{
+	int i;
+
+	q->dev = dev;
+	q->entries = N_TX_ENTRIES;
+
+	for (i = 0; i < N_TX_ENTRIES; i++) {
+		q->e[i].urb = usb_alloc_urb(0, GFP_KERNEL);
+		if (!q->e[i].urb)
+			return -ENOMEM;
+	}
+
+	return 0;
+}
+
+static int mt7601u_alloc_tx(struct mt7601u_dev *dev)
+{
+	int i;
+
+	dev->tx_q = devm_kcalloc(dev->dev, __MT_EP_OUT_MAX,
+				 sizeof(*dev->tx_q), GFP_KERNEL);
+	if (!dev->tx_q)
+		return -ENOMEM;
+
+	for (i = 0; i < __MT_EP_OUT_MAX; i++)
+		if (mt7601u_alloc_tx_queue(dev, &dev->tx_q[i]))
+			return -ENOMEM;
+
+	return 0;
+}
+
+int mt7601u_dma_init(struct mt7601u_dev *dev)
+{
+	int ret = -ENOMEM;
+
+	tasklet_init(&dev->tx_tasklet, mt7601u_tx_tasklet, (unsigned long) dev);
+	tasklet_init(&dev->rx_tasklet, mt7601u_rx_tasklet, (unsigned long) dev);
+
+	ret = mt7601u_alloc_tx(dev);
+	if (ret)
+		goto err;
+	ret = mt7601u_alloc_rx(dev);
+	if (ret)
+		goto err;
+
+	ret = mt7601u_submit_rx(dev);
+	if (ret)
+		goto err;
+
+	return 0;
+err:
+	mt7601u_dma_cleanup(dev);
+	return ret;
+}
+
+void mt7601u_dma_cleanup(struct mt7601u_dev *dev)
+{
+	mt7601u_kill_rx(dev);
+
+	tasklet_kill(&dev->rx_tasklet);
+
+	mt7601u_free_rx(dev);
+	mt7601u_free_tx(dev);
+
+	tasklet_kill(&dev->tx_tasklet);
+}
diff --git a/drivers/net/wireless/mediatek/mt7601u/dma.h b/drivers/net/wireless/mediatek/mt7601u/dma.h
new file mode 100644
index 000000000..81e559ec1
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/dma.h
@@ -0,0 +1,117 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#ifndef __MT7601U_DMA_H
+#define __MT7601U_DMA_H
+
+#include <asm/unaligned.h>
+#include <linux/skbuff.h>
+
+#define MT_DMA_HDR_LEN			4
+#define MT_RX_INFO_LEN			4
+#define MT_FCE_INFO_LEN			4
+#define MT_DMA_HDRS			(MT_DMA_HDR_LEN + MT_RX_INFO_LEN)
+
+/* Common Tx DMA descriptor fields */
+#define MT_TXD_INFO_LEN			GENMASK(15, 0)
+#define MT_TXD_INFO_D_PORT		GENMASK(29, 27)
+#define MT_TXD_INFO_TYPE		GENMASK(31, 30)
+
+enum mt76_msg_port {
+	WLAN_PORT,
+	CPU_RX_PORT,
+	CPU_TX_PORT,
+	HOST_PORT,
+	VIRTUAL_CPU_RX_PORT,
+	VIRTUAL_CPU_TX_PORT,
+	DISCARD,
+};
+
+enum mt76_info_type {
+	DMA_PACKET,
+	DMA_COMMAND,
+};
+
+/* Tx DMA packet specific flags */
+#define MT_TXD_PKT_INFO_NEXT_VLD	BIT(16)
+#define MT_TXD_PKT_INFO_TX_BURST	BIT(17)
+#define MT_TXD_PKT_INFO_80211		BIT(19)
+#define MT_TXD_PKT_INFO_TSO		BIT(20)
+#define MT_TXD_PKT_INFO_CSO		BIT(21)
+#define MT_TXD_PKT_INFO_WIV		BIT(24)
+#define MT_TXD_PKT_INFO_QSEL		GENMASK(26, 25)
+
+enum mt76_qsel {
+	MT_QSEL_MGMT,
+	MT_QSEL_HCCA,
+	MT_QSEL_EDCA,
+	MT_QSEL_EDCA_2,
+};
+
+/* Tx DMA MCU command specific flags */
+#define MT_TXD_CMD_INFO_SEQ		GENMASK(19, 16)
+#define MT_TXD_CMD_INFO_TYPE		GENMASK(26, 20)
+
+static inline int mt7601u_dma_skb_wrap(struct sk_buff *skb,
+				       enum mt76_msg_port d_port,
+				       enum mt76_info_type type, u32 flags)
+{
+	u32 info;
+
+	/* Buffer layout:
+	 *	|   4B   | xfer len |      pad       |  4B  |
+	 *	| TXINFO | pkt/cmd  | zero pad to 4B | zero |
+	 *
+	 * length field of TXINFO should be set to 'xfer len'.
+	 */
+
+	info = flags |
+		FIELD_PREP(MT_TXD_INFO_LEN, round_up(skb->len, 4)) |
+		FIELD_PREP(MT_TXD_INFO_D_PORT, d_port) |
+		FIELD_PREP(MT_TXD_INFO_TYPE, type);
+
+	put_unaligned_le32(info, skb_push(skb, sizeof(info)));
+	return skb_put_padto(skb, round_up(skb->len, 4) + 4);
+}
+
+static inline int
+mt7601u_dma_skb_wrap_pkt(struct sk_buff *skb, enum mt76_qsel qsel, u32 flags)
+{
+	flags |= FIELD_PREP(MT_TXD_PKT_INFO_QSEL, qsel);
+	return mt7601u_dma_skb_wrap(skb, WLAN_PORT, DMA_PACKET, flags);
+}
+
+/* Common Rx DMA descriptor fields */
+#define MT_RXD_INFO_LEN			GENMASK(13, 0)
+#define MT_RXD_INFO_PCIE_INTR		BIT(24)
+#define MT_RXD_INFO_QSEL		GENMASK(26, 25)
+#define MT_RXD_INFO_PORT		GENMASK(29, 27)
+#define MT_RXD_INFO_TYPE		GENMASK(31, 30)
+
+/* Rx DMA packet specific flags */
+#define MT_RXD_PKT_INFO_UDP_ERR		BIT(16)
+#define MT_RXD_PKT_INFO_TCP_ERR		BIT(17)
+#define MT_RXD_PKT_INFO_IP_ERR		BIT(18)
+#define MT_RXD_PKT_INFO_PKT_80211	BIT(19)
+#define MT_RXD_PKT_INFO_L3L4_DONE	BIT(20)
+#define MT_RXD_PKT_INFO_MAC_LEN		GENMASK(23, 21)
+
+/* Rx DMA MCU command specific flags */
+#define MT_RXD_CMD_INFO_SELF_GEN	BIT(15)
+#define MT_RXD_CMD_INFO_CMD_SEQ		GENMASK(19, 16)
+#define MT_RXD_CMD_INFO_EVT_TYPE	GENMASK(23, 20)
+
+enum mt76_evt_type {
+	CMD_DONE,
+	CMD_ERROR,
+	CMD_RETRY,
+	EVENT_PWR_RSP,
+	EVENT_WOW_RSP,
+	EVENT_CARRIER_DETECT_RSP,
+	EVENT_DFS_DETECT_RSP,
+};
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt7601u/eeprom.c b/drivers/net/wireless/mediatek/mt7601u/eeprom.c
new file mode 100644
index 000000000..aa3b64902
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/eeprom.c
@@ -0,0 +1,390 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#include <linux/of.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/etherdevice.h>
+#include <asm/unaligned.h>
+#include "mt7601u.h"
+#include "eeprom.h"
+#include "mac.h"
+
+static bool
+field_valid(u8 val)
+{
+	return val != 0xff;
+}
+
+static s8
+field_validate(u8 val)
+{
+	if (!field_valid(val))
+		return 0;
+
+	return val;
+}
+
+static int
+mt7601u_efuse_read(struct mt7601u_dev *dev, u16 addr, u8 *data,
+		   enum mt7601u_eeprom_access_modes mode)
+{
+	u32 val;
+	int i;
+
+	val = mt76_rr(dev, MT_EFUSE_CTRL);
+	val &= ~(MT_EFUSE_CTRL_AIN |
+		 MT_EFUSE_CTRL_MODE);
+	val |= FIELD_PREP(MT_EFUSE_CTRL_AIN, addr & ~0xf) |
+	       FIELD_PREP(MT_EFUSE_CTRL_MODE, mode) |
+	       MT_EFUSE_CTRL_KICK;
+	mt76_wr(dev, MT_EFUSE_CTRL, val);
+
+	if (!mt76_poll(dev, MT_EFUSE_CTRL, MT_EFUSE_CTRL_KICK, 0, 1000))
+		return -ETIMEDOUT;
+
+	val = mt76_rr(dev, MT_EFUSE_CTRL);
+	if ((val & MT_EFUSE_CTRL_AOUT) == MT_EFUSE_CTRL_AOUT) {
+		/* Parts of eeprom not in the usage map (0x80-0xc0,0xf0)
+		 * will not return valid data but it's ok.
+		 */
+		memset(data, 0xff, 16);
+		return 0;
+	}
+
+	for (i = 0; i < 4; i++) {
+		val = mt76_rr(dev, MT_EFUSE_DATA(i));
+		put_unaligned_le32(val, data + 4 * i);
+	}
+
+	return 0;
+}
+
+static int
+mt7601u_efuse_physical_size_check(struct mt7601u_dev *dev)
+{
+	const int map_reads = DIV_ROUND_UP(MT_EFUSE_USAGE_MAP_SIZE, 16);
+	u8 data[round_up(MT_EFUSE_USAGE_MAP_SIZE, 16)];
+	int ret, i;
+	u32 start = 0, end = 0, cnt_free;
+
+	for (i = 0; i < map_reads; i++) {
+		ret = mt7601u_efuse_read(dev, MT_EE_USAGE_MAP_START + i * 16,
+					 data + i * 16, MT_EE_PHYSICAL_READ);
+		if (ret)
+			return ret;
+	}
+
+	for (i = 0; i < MT_EFUSE_USAGE_MAP_SIZE; i++)
+		if (!data[i]) {
+			if (!start)
+				start = MT_EE_USAGE_MAP_START + i;
+			end = MT_EE_USAGE_MAP_START + i;
+		}
+	cnt_free = end - start + 1;
+
+	if (MT_EFUSE_USAGE_MAP_SIZE - cnt_free < 5) {
+		dev_err(dev->dev, "Error: your device needs default EEPROM file and this driver doesn't support it!\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static bool
+mt7601u_has_tssi(struct mt7601u_dev *dev, u8 *eeprom)
+{
+	u16 nic_conf1 = get_unaligned_le16(eeprom + MT_EE_NIC_CONF_1);
+
+	return (u16)~nic_conf1 && (nic_conf1 & MT_EE_NIC_CONF_1_TX_ALC_EN);
+}
+
+static void
+mt7601u_set_chip_cap(struct mt7601u_dev *dev, u8 *eeprom)
+{
+	u16 nic_conf0 = get_unaligned_le16(eeprom + MT_EE_NIC_CONF_0);
+	u16 nic_conf1 = get_unaligned_le16(eeprom + MT_EE_NIC_CONF_1);
+
+	if (!field_valid(nic_conf1 & 0xff))
+		nic_conf1 &= 0xff00;
+
+	dev->ee->tssi_enabled = mt7601u_has_tssi(dev, eeprom) &&
+				!(nic_conf1 & MT_EE_NIC_CONF_1_TEMP_TX_ALC);
+
+	if (nic_conf1 & MT_EE_NIC_CONF_1_HW_RF_CTRL)
+		dev_err(dev->dev,
+			"Error: this driver does not support HW RF ctrl\n");
+
+	if (!field_valid(nic_conf0 >> 8))
+		return;
+
+	if (FIELD_GET(MT_EE_NIC_CONF_0_RX_PATH, nic_conf0) > 1 ||
+	    FIELD_GET(MT_EE_NIC_CONF_0_TX_PATH, nic_conf0) > 1)
+		dev_err(dev->dev,
+			"Error: device has more than 1 RX/TX stream!\n");
+}
+
+static void mt7601u_set_channel_target_power(struct mt7601u_dev *dev,
+					     u8 *eeprom, u8 max_pwr)
+{
+	u8 trgt_pwr = eeprom[MT_EE_TX_TSSI_TARGET_POWER];
+
+	if (trgt_pwr > max_pwr || !trgt_pwr) {
+		dev_warn(dev->dev, "Error: EEPROM trgt power invalid %hhx!\n",
+			 trgt_pwr);
+		trgt_pwr = 0x20;
+	}
+
+	memset(dev->ee->chan_pwr, trgt_pwr, sizeof(dev->ee->chan_pwr));
+}
+
+static void
+mt7601u_set_channel_power(struct mt7601u_dev *dev, u8 *eeprom)
+{
+	u32 i, val;
+	u8 max_pwr;
+
+	val = mt7601u_rr(dev, MT_TX_ALC_CFG_0);
+	max_pwr = FIELD_GET(MT_TX_ALC_CFG_0_LIMIT_0, val);
+
+	if (mt7601u_has_tssi(dev, eeprom)) {
+		mt7601u_set_channel_target_power(dev, eeprom, max_pwr);
+		return;
+	}
+
+	for (i = 0; i < 14; i++) {
+		s8 power = field_validate(eeprom[MT_EE_TX_POWER_OFFSET + i]);
+
+		if (power > max_pwr || power < 0)
+			power = MT7601U_DEFAULT_TX_POWER;
+
+		dev->ee->chan_pwr[i] = power;
+	}
+}
+
+static void
+mt7601u_set_country_reg(struct mt7601u_dev *dev, u8 *eeprom)
+{
+	/* Note: - region 31 is not valid for mt7601u (see rtmp_init.c)
+	 *	 - comments in rtmp_def.h are incorrect (see rt_channel.c)
+	 */
+	static const struct reg_channel_bounds chan_bounds[] = {
+		/* EEPROM country regions 0 - 7 */
+		{  1, 11 },	{  1, 13 },	{ 10,  2 },	{ 10,  4 },
+		{ 14,  1 },	{  1, 14 },	{  3,  7 },	{  5,  9 },
+		/* EEPROM country regions 32 - 33 */
+		{  1, 11 },	{  1, 14 }
+	};
+	u8 val = eeprom[MT_EE_COUNTRY_REGION];
+	int idx = -1;
+
+	if (val < 8)
+		idx = val;
+	if (val > 31 && val < 33)
+		idx = val - 32 + 8;
+
+	if (idx != -1)
+		dev_info(dev->dev,
+			 "EEPROM country region %02hhx (channels %hhd-%hhd)\n",
+			 val, chan_bounds[idx].start,
+			 chan_bounds[idx].start + chan_bounds[idx].num - 1);
+	else
+		idx = 5; /* channels 1 - 14 */
+
+	dev->ee->reg = chan_bounds[idx];
+
+	/* TODO: country region 33 is special - phy should be set to B-mode
+	 *	 before entering channel 14 (see sta/connect.c)
+	 */
+}
+
+static void
+mt7601u_set_rf_freq_off(struct mt7601u_dev *dev, u8 *eeprom)
+{
+	u8 comp;
+
+	dev->ee->rf_freq_off = field_validate(eeprom[MT_EE_FREQ_OFFSET]);
+	comp = field_validate(eeprom[MT_EE_FREQ_OFFSET_COMPENSATION]);
+
+	if (comp & BIT(7))
+		dev->ee->rf_freq_off -= comp & 0x7f;
+	else
+		dev->ee->rf_freq_off += comp;
+}
+
+static void
+mt7601u_set_rssi_offset(struct mt7601u_dev *dev, u8 *eeprom)
+{
+	int i;
+	s8 *rssi_offset = dev->ee->rssi_offset;
+
+	for (i = 0; i < 2; i++) {
+		rssi_offset[i] = eeprom[MT_EE_RSSI_OFFSET + i];
+
+		if (rssi_offset[i] < -10 || rssi_offset[i] > 10) {
+			dev_warn(dev->dev,
+				 "Warning: EEPROM RSSI is invalid %02hhx\n",
+				 rssi_offset[i]);
+			rssi_offset[i] = 0;
+		}
+	}
+}
+
+static void
+mt7601u_extra_power_over_mac(struct mt7601u_dev *dev)
+{
+	u32 val;
+
+	val = ((mt7601u_rr(dev, MT_TX_PWR_CFG_1) & 0x0000ff00) >> 8);
+	val |= ((mt7601u_rr(dev, MT_TX_PWR_CFG_2) & 0x0000ff00) << 8);
+	mt7601u_wr(dev, MT_TX_PWR_CFG_7, val);
+
+	val = ((mt7601u_rr(dev, MT_TX_PWR_CFG_4) & 0x0000ff00) >> 8);
+	mt7601u_wr(dev, MT_TX_PWR_CFG_9, val);
+}
+
+static void
+mt7601u_set_power_rate(struct power_per_rate *rate, s8 delta, u8 value)
+{
+	/* Invalid? Note: vendor driver does not handle this */
+	if (value == 0xff)
+		return;
+
+	rate->raw = s6_validate(value);
+	rate->bw20 = s6_to_int(value);
+	/* Note: vendor driver does cap the value to s6 right away */
+	rate->bw40 = rate->bw20 + delta;
+}
+
+static void
+mt7601u_save_power_rate(struct mt7601u_dev *dev, s8 delta, u32 val, int i)
+{
+	struct mt7601u_rate_power *t = &dev->ee->power_rate_table;
+
+	switch (i) {
+	case 0:
+		mt7601u_set_power_rate(&t->cck[0], delta, (val >> 0) & 0xff);
+		mt7601u_set_power_rate(&t->cck[1], delta, (val >> 8) & 0xff);
+		/* Save cck bw20 for fixups of channel 14 */
+		dev->ee->real_cck_bw20[0] = t->cck[0].bw20;
+		dev->ee->real_cck_bw20[1] = t->cck[1].bw20;
+
+		mt7601u_set_power_rate(&t->ofdm[0], delta, (val >> 16) & 0xff);
+		mt7601u_set_power_rate(&t->ofdm[1], delta, (val >> 24) & 0xff);
+		break;
+	case 1:
+		mt7601u_set_power_rate(&t->ofdm[2], delta, (val >> 0) & 0xff);
+		mt7601u_set_power_rate(&t->ofdm[3], delta, (val >> 8) & 0xff);
+		mt7601u_set_power_rate(&t->ht[0], delta, (val >> 16) & 0xff);
+		mt7601u_set_power_rate(&t->ht[1], delta, (val >> 24) & 0xff);
+		break;
+	case 2:
+		mt7601u_set_power_rate(&t->ht[2], delta, (val >> 0) & 0xff);
+		mt7601u_set_power_rate(&t->ht[3], delta, (val >> 8) & 0xff);
+		break;
+	}
+}
+
+static s8
+get_delta(u8 val)
+{
+	s8 ret;
+
+	if (!field_valid(val) || !(val & BIT(7)))
+		return 0;
+
+	ret = val & 0x1f;
+	if (ret > 8)
+		ret = 8;
+	if (val & BIT(6))
+		ret = -ret;
+
+	return ret;
+}
+
+static void
+mt7601u_config_tx_power_per_rate(struct mt7601u_dev *dev, u8 *eeprom)
+{
+	u32 val;
+	s8 bw40_delta;
+	int i;
+
+	bw40_delta = get_delta(eeprom[MT_EE_TX_POWER_DELTA_BW40]);
+
+	for (i = 0; i < 5; i++) {
+		val = get_unaligned_le32(eeprom + MT_EE_TX_POWER_BYRATE(i));
+
+		mt7601u_save_power_rate(dev, bw40_delta, val, i);
+
+		if (~val)
+			mt7601u_wr(dev, MT_TX_PWR_CFG_0 + i * 4, val);
+	}
+
+	mt7601u_extra_power_over_mac(dev);
+}
+
+static void
+mt7601u_init_tssi_params(struct mt7601u_dev *dev, u8 *eeprom)
+{
+	struct tssi_data *d = &dev->ee->tssi_data;
+
+	if (!dev->ee->tssi_enabled)
+		return;
+
+	d->slope = eeprom[MT_EE_TX_TSSI_SLOPE];
+	d->tx0_delta_offset = eeprom[MT_EE_TX_TSSI_OFFSET] * 1024;
+	d->offset[0] = eeprom[MT_EE_TX_TSSI_OFFSET_GROUP];
+	d->offset[1] = eeprom[MT_EE_TX_TSSI_OFFSET_GROUP + 1];
+	d->offset[2] = eeprom[MT_EE_TX_TSSI_OFFSET_GROUP + 2];
+}
+
+int
+mt7601u_eeprom_init(struct mt7601u_dev *dev)
+{
+	u8 *eeprom;
+	int i, ret;
+
+	ret = mt7601u_efuse_physical_size_check(dev);
+	if (ret)
+		return ret;
+
+	dev->ee = devm_kzalloc(dev->dev, sizeof(*dev->ee), GFP_KERNEL);
+	if (!dev->ee)
+		return -ENOMEM;
+
+	eeprom = kmalloc(MT7601U_EEPROM_SIZE, GFP_KERNEL);
+	if (!eeprom)
+		return -ENOMEM;
+
+	for (i = 0; i + 16 <= MT7601U_EEPROM_SIZE; i += 16) {
+		ret = mt7601u_efuse_read(dev, i, eeprom + i, MT_EE_READ);
+		if (ret)
+			goto out;
+	}
+
+	if (eeprom[MT_EE_VERSION_EE] > MT7601U_EE_MAX_VER)
+		dev_warn(dev->dev,
+			 "Warning: unsupported EEPROM version %02hhx\n",
+			 eeprom[MT_EE_VERSION_EE]);
+	dev_info(dev->dev, "EEPROM ver:%02hhx fae:%02hhx\n",
+		 eeprom[MT_EE_VERSION_EE], eeprom[MT_EE_VERSION_FAE]);
+
+	mt7601u_set_macaddr(dev, eeprom + MT_EE_MAC_ADDR);
+	mt7601u_set_chip_cap(dev, eeprom);
+	mt7601u_set_channel_power(dev, eeprom);
+	mt7601u_set_country_reg(dev, eeprom);
+	mt7601u_set_rf_freq_off(dev, eeprom);
+	mt7601u_set_rssi_offset(dev, eeprom);
+	dev->ee->ref_temp = eeprom[MT_EE_REF_TEMP];
+	dev->ee->lna_gain = eeprom[MT_EE_LNA_GAIN];
+
+	mt7601u_config_tx_power_per_rate(dev, eeprom);
+
+	mt7601u_init_tssi_params(dev, eeprom);
+out:
+	kfree(eeprom);
+	return ret;
+}
diff --git a/drivers/net/wireless/mediatek/mt7601u/eeprom.h b/drivers/net/wireless/mediatek/mt7601u/eeprom.h
new file mode 100644
index 000000000..4d3fd49f2
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/eeprom.h
@@ -0,0 +1,143 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#ifndef __MT7601U_EEPROM_H
+#define __MT7601U_EEPROM_H
+
+struct mt7601u_dev;
+
+#define MT7601U_EE_MAX_VER			0x0d
+#define MT7601U_EEPROM_SIZE			256
+
+#define MT7601U_DEFAULT_TX_POWER		6
+
+enum mt76_eeprom_field {
+	MT_EE_CHIP_ID =				0x00,
+	MT_EE_VERSION_FAE =			0x02,
+	MT_EE_VERSION_EE =			0x03,
+	MT_EE_MAC_ADDR =			0x04,
+	MT_EE_NIC_CONF_0 =			0x34,
+	MT_EE_NIC_CONF_1 =			0x36,
+	MT_EE_COUNTRY_REGION =			0x39,
+	MT_EE_FREQ_OFFSET =			0x3a,
+	MT_EE_NIC_CONF_2 =			0x42,
+
+	MT_EE_LNA_GAIN =			0x44,
+	MT_EE_RSSI_OFFSET =			0x46,
+
+	MT_EE_TX_POWER_DELTA_BW40 =		0x50,
+	MT_EE_TX_POWER_OFFSET =			0x52,
+
+	MT_EE_TX_TSSI_SLOPE =			0x6e,
+	MT_EE_TX_TSSI_OFFSET_GROUP =		0x6f,
+	MT_EE_TX_TSSI_OFFSET =			0x76,
+
+	MT_EE_TX_TSSI_TARGET_POWER =		0xd0,
+	MT_EE_REF_TEMP =			0xd1,
+	MT_EE_FREQ_OFFSET_COMPENSATION =	0xdb,
+	MT_EE_TX_POWER_BYRATE_BASE =		0xde,
+
+	MT_EE_USAGE_MAP_START =			0x1e0,
+	MT_EE_USAGE_MAP_END =			0x1fc,
+};
+
+#define MT_EE_NIC_CONF_0_RX_PATH		GENMASK(3, 0)
+#define MT_EE_NIC_CONF_0_TX_PATH		GENMASK(7, 4)
+#define MT_EE_NIC_CONF_0_BOARD_TYPE		GENMASK(13, 12)
+
+#define MT_EE_NIC_CONF_1_HW_RF_CTRL		BIT(0)
+#define MT_EE_NIC_CONF_1_TEMP_TX_ALC		BIT(1)
+#define MT_EE_NIC_CONF_1_LNA_EXT_2G		BIT(2)
+#define MT_EE_NIC_CONF_1_LNA_EXT_5G		BIT(3)
+#define MT_EE_NIC_CONF_1_TX_ALC_EN		BIT(13)
+
+#define MT_EE_NIC_CONF_2_RX_STREAM		GENMASK(3, 0)
+#define MT_EE_NIC_CONF_2_TX_STREAM		GENMASK(7, 4)
+#define MT_EE_NIC_CONF_2_HW_ANTDIV		BIT(8)
+#define MT_EE_NIC_CONF_2_XTAL_OPTION		GENMASK(10, 9)
+#define MT_EE_NIC_CONF_2_TEMP_DISABLE		BIT(11)
+#define MT_EE_NIC_CONF_2_COEX_METHOD		GENMASK(15, 13)
+
+#define MT_EE_TX_POWER_BYRATE(i)		(MT_EE_TX_POWER_BYRATE_BASE + \
+						 (i) * 4)
+
+#define MT_EFUSE_USAGE_MAP_SIZE			(MT_EE_USAGE_MAP_END -	\
+						 MT_EE_USAGE_MAP_START + 1)
+
+enum mt7601u_eeprom_access_modes {
+	MT_EE_READ = 0,
+	MT_EE_PHYSICAL_READ = 1,
+};
+
+struct power_per_rate  {
+	u8 raw;  /* validated s6 value */
+	s8 bw20; /* sign-extended int */
+	s8 bw40; /* sign-extended int */
+};
+
+/* Power per rate - one value per two rates */
+struct mt7601u_rate_power {
+	struct power_per_rate cck[2];
+	struct power_per_rate ofdm[4];
+	struct power_per_rate ht[4];
+};
+
+struct reg_channel_bounds {
+	u8 start;
+	u8 num;
+};
+
+struct mt7601u_eeprom_params {
+	bool tssi_enabled;
+	u8 rf_freq_off;
+	s8 rssi_offset[2];
+	s8 ref_temp;
+	s8 lna_gain;
+
+	u8 chan_pwr[14];
+	struct mt7601u_rate_power power_rate_table;
+	s8 real_cck_bw20[2];
+
+	/* TSSI stuff - only with internal TX ALC */
+	struct tssi_data {
+		int tx0_delta_offset;
+		u8 slope;
+		u8 offset[3];
+	} tssi_data;
+
+	struct reg_channel_bounds reg;
+};
+
+int mt7601u_eeprom_init(struct mt7601u_dev *dev);
+
+static inline u32 s6_validate(u32 reg)
+{
+	WARN_ON(reg & ~GENMASK(5, 0));
+	return reg & GENMASK(5, 0);
+}
+
+static inline int s6_to_int(u32 reg)
+{
+	int s6;
+
+	s6 = s6_validate(reg);
+	if (s6 & BIT(5))
+		s6 -= BIT(6);
+
+	return s6;
+}
+
+static inline u32 int_to_s6(int val)
+{
+	if (val < -0x20)
+		return 0x20;
+	if (val > 0x1f)
+		return 0x1f;
+
+	return val & 0x3f;
+}
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt7601u/init.c b/drivers/net/wireless/mediatek/mt7601u/init.c
new file mode 100644
index 000000000..cada48800
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/init.c
@@ -0,0 +1,630 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * (c) Copyright 2002-2010, Ralink Technology, Inc.
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#include "mt7601u.h"
+#include "eeprom.h"
+#include "trace.h"
+#include "mcu.h"
+
+#include "initvals.h"
+
+static void
+mt7601u_set_wlan_state(struct mt7601u_dev *dev, u32 val, bool enable)
+{
+	int i;
+
+	/* Note: we don't turn off WLAN_CLK because that makes the device
+	 *	 not respond properly on the probe path.
+	 *	 In case anyone (PSM?) wants to use this function we can
+	 *	 bring the clock stuff back and fixup the probe path.
+	 */
+
+	if (enable)
+		val |= (MT_WLAN_FUN_CTRL_WLAN_EN |
+			MT_WLAN_FUN_CTRL_WLAN_CLK_EN);
+	else
+		val &= ~(MT_WLAN_FUN_CTRL_WLAN_EN);
+
+	mt7601u_wr(dev, MT_WLAN_FUN_CTRL, val);
+	udelay(20);
+
+	if (enable) {
+		set_bit(MT7601U_STATE_WLAN_RUNNING, &dev->state);
+	} else {
+		clear_bit(MT7601U_STATE_WLAN_RUNNING, &dev->state);
+		return;
+	}
+
+	for (i = 200; i; i--) {
+		val = mt7601u_rr(dev, MT_CMB_CTRL);
+
+		if (val & MT_CMB_CTRL_XTAL_RDY && val & MT_CMB_CTRL_PLL_LD)
+			break;
+
+		udelay(20);
+	}
+
+	/* Note: vendor driver tries to disable/enable wlan here and retry
+	 *       but the code which does it is so buggy it must have never
+	 *       triggered, so don't bother.
+	 */
+	if (!i)
+		dev_err(dev->dev, "Error: PLL and XTAL check failed!\n");
+}
+
+static void mt7601u_chip_onoff(struct mt7601u_dev *dev, bool enable, bool reset)
+{
+	u32 val;
+
+	mutex_lock(&dev->hw_atomic_mutex);
+
+	val = mt7601u_rr(dev, MT_WLAN_FUN_CTRL);
+
+	if (reset) {
+		val |= MT_WLAN_FUN_CTRL_GPIO_OUT_EN;
+		val &= ~MT_WLAN_FUN_CTRL_FRC_WL_ANT_SEL;
+
+		if (val & MT_WLAN_FUN_CTRL_WLAN_EN) {
+			val |= (MT_WLAN_FUN_CTRL_WLAN_RESET |
+				MT_WLAN_FUN_CTRL_WLAN_RESET_RF);
+			mt7601u_wr(dev, MT_WLAN_FUN_CTRL, val);
+			udelay(20);
+
+			val &= ~(MT_WLAN_FUN_CTRL_WLAN_RESET |
+				 MT_WLAN_FUN_CTRL_WLAN_RESET_RF);
+		}
+	}
+
+	mt7601u_wr(dev, MT_WLAN_FUN_CTRL, val);
+	udelay(20);
+
+	mt7601u_set_wlan_state(dev, val, enable);
+
+	mutex_unlock(&dev->hw_atomic_mutex);
+}
+
+static void mt7601u_reset_csr_bbp(struct mt7601u_dev *dev)
+{
+	mt7601u_wr(dev, MT_MAC_SYS_CTRL, (MT_MAC_SYS_CTRL_RESET_CSR |
+					  MT_MAC_SYS_CTRL_RESET_BBP));
+	mt7601u_wr(dev, MT_USB_DMA_CFG, 0);
+	msleep(1);
+	mt7601u_wr(dev, MT_MAC_SYS_CTRL, 0);
+}
+
+static void mt7601u_init_usb_dma(struct mt7601u_dev *dev)
+{
+	u32 val;
+
+	val = FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, MT_USB_AGGR_TIMEOUT) |
+	      FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_LMT,
+			 MT_USB_AGGR_SIZE_LIMIT) |
+	      MT_USB_DMA_CFG_RX_BULK_EN |
+	      MT_USB_DMA_CFG_TX_BULK_EN;
+	if (dev->in_max_packet == 512)
+		val |= MT_USB_DMA_CFG_RX_BULK_AGG_EN;
+	mt7601u_wr(dev, MT_USB_DMA_CFG, val);
+
+	val |= MT_USB_DMA_CFG_UDMA_RX_WL_DROP;
+	mt7601u_wr(dev, MT_USB_DMA_CFG, val);
+	val &= ~MT_USB_DMA_CFG_UDMA_RX_WL_DROP;
+	mt7601u_wr(dev, MT_USB_DMA_CFG, val);
+}
+
+static int mt7601u_init_bbp(struct mt7601u_dev *dev)
+{
+	int ret;
+
+	ret = mt7601u_wait_bbp_ready(dev);
+	if (ret)
+		return ret;
+
+	ret = mt7601u_write_reg_pairs(dev, MT_MCU_MEMMAP_BBP, bbp_common_vals,
+				      ARRAY_SIZE(bbp_common_vals));
+	if (ret)
+		return ret;
+
+	return mt7601u_write_reg_pairs(dev, MT_MCU_MEMMAP_BBP, bbp_chip_vals,
+				       ARRAY_SIZE(bbp_chip_vals));
+}
+
+static void
+mt76_init_beacon_offsets(struct mt7601u_dev *dev)
+{
+	u16 base = MT_BEACON_BASE;
+	u32 regs[4] = {};
+	int i;
+
+	for (i = 0; i < 16; i++) {
+		u16 addr = dev->beacon_offsets[i];
+
+		regs[i / 4] |= ((addr - base) / 64) << (8 * (i % 4));
+	}
+
+	for (i = 0; i < 4; i++)
+		mt7601u_wr(dev, MT_BCN_OFFSET(i), regs[i]);
+}
+
+static int mt7601u_write_mac_initvals(struct mt7601u_dev *dev)
+{
+	int ret;
+
+	ret = mt7601u_write_reg_pairs(dev, MT_MCU_MEMMAP_WLAN, mac_common_vals,
+				      ARRAY_SIZE(mac_common_vals));
+	if (ret)
+		return ret;
+	ret = mt7601u_write_reg_pairs(dev, MT_MCU_MEMMAP_WLAN,
+				      mac_chip_vals, ARRAY_SIZE(mac_chip_vals));
+	if (ret)
+		return ret;
+
+	mt76_init_beacon_offsets(dev);
+
+	mt7601u_wr(dev, MT_AUX_CLK_CFG, 0);
+
+	return 0;
+}
+
+static int mt7601u_init_wcid_mem(struct mt7601u_dev *dev)
+{
+	u32 *vals;
+	int i, ret;
+
+	vals = kmalloc(sizeof(*vals) * N_WCIDS * 2, GFP_KERNEL);
+	if (!vals)
+		return -ENOMEM;
+
+	for (i = 0; i < N_WCIDS; i++)  {
+		vals[i * 2] = 0xffffffff;
+		vals[i * 2 + 1] = 0x00ffffff;
+	}
+
+	ret = mt7601u_burst_write_regs(dev, MT_WCID_ADDR_BASE,
+				       vals, N_WCIDS * 2);
+	kfree(vals);
+
+	return ret;
+}
+
+static int mt7601u_init_key_mem(struct mt7601u_dev *dev)
+{
+	u32 vals[4] = {};
+
+	return mt7601u_burst_write_regs(dev, MT_SKEY_MODE_BASE_0,
+					vals, ARRAY_SIZE(vals));
+}
+
+static int mt7601u_init_wcid_attr_mem(struct mt7601u_dev *dev)
+{
+	u32 *vals;
+	int i, ret;
+
+	vals = kmalloc(sizeof(*vals) * N_WCIDS * 2, GFP_KERNEL);
+	if (!vals)
+		return -ENOMEM;
+
+	for (i = 0; i < N_WCIDS * 2; i++)
+		vals[i] = 1;
+
+	ret = mt7601u_burst_write_regs(dev, MT_WCID_ATTR_BASE,
+				       vals, N_WCIDS * 2);
+	kfree(vals);
+
+	return ret;
+}
+
+static void mt7601u_reset_counters(struct mt7601u_dev *dev)
+{
+	mt7601u_rr(dev, MT_RX_STA_CNT0);
+	mt7601u_rr(dev, MT_RX_STA_CNT1);
+	mt7601u_rr(dev, MT_RX_STA_CNT2);
+	mt7601u_rr(dev, MT_TX_STA_CNT0);
+	mt7601u_rr(dev, MT_TX_STA_CNT1);
+	mt7601u_rr(dev, MT_TX_STA_CNT2);
+}
+
+int mt7601u_mac_start(struct mt7601u_dev *dev)
+{
+	mt7601u_wr(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_ENABLE_TX);
+
+	if (!mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_BUSY |
+		       MT_WPDMA_GLO_CFG_RX_DMA_BUSY, 0, 200000))
+		return -ETIMEDOUT;
+
+	dev->rxfilter = MT_RX_FILTR_CFG_CRC_ERR |
+		MT_RX_FILTR_CFG_PHY_ERR | MT_RX_FILTR_CFG_PROMISC |
+		MT_RX_FILTR_CFG_VER_ERR | MT_RX_FILTR_CFG_DUP |
+		MT_RX_FILTR_CFG_CFACK | MT_RX_FILTR_CFG_CFEND |
+		MT_RX_FILTR_CFG_ACK | MT_RX_FILTR_CFG_CTS |
+		MT_RX_FILTR_CFG_RTS | MT_RX_FILTR_CFG_PSPOLL |
+		MT_RX_FILTR_CFG_BA | MT_RX_FILTR_CFG_CTRL_RSV;
+	mt7601u_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter);
+
+	mt7601u_wr(dev, MT_MAC_SYS_CTRL,
+		   MT_MAC_SYS_CTRL_ENABLE_TX | MT_MAC_SYS_CTRL_ENABLE_RX);
+
+	if (!mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_BUSY |
+		       MT_WPDMA_GLO_CFG_RX_DMA_BUSY, 0, 50))
+		return -ETIMEDOUT;
+
+	return 0;
+}
+
+static void mt7601u_mac_stop_hw(struct mt7601u_dev *dev)
+{
+	int i, ok;
+
+	if (test_bit(MT7601U_STATE_REMOVED, &dev->state))
+		return;
+
+	mt76_clear(dev, MT_BEACON_TIME_CFG, MT_BEACON_TIME_CFG_TIMER_EN |
+		   MT_BEACON_TIME_CFG_SYNC_MODE | MT_BEACON_TIME_CFG_TBTT_EN |
+		   MT_BEACON_TIME_CFG_BEACON_TX);
+
+	if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_TX_BUSY, 0, 1000))
+		dev_warn(dev->dev, "Warning: TX DMA did not stop!\n");
+
+	/* Page count on TxQ */
+	i = 200;
+	while (i-- && ((mt76_rr(dev, 0x0438) & 0xffffffff) ||
+		       (mt76_rr(dev, 0x0a30) & 0x000000ff) ||
+		       (mt76_rr(dev, 0x0a34) & 0x00ff00ff)))
+		msleep(10);
+
+	if (!mt76_poll(dev, MT_MAC_STATUS, MT_MAC_STATUS_TX, 0, 1000))
+		dev_warn(dev->dev, "Warning: MAC TX did not stop!\n");
+
+	mt76_clear(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_ENABLE_RX |
+					 MT_MAC_SYS_CTRL_ENABLE_TX);
+
+	/* Page count on RxQ */
+	ok = 0;
+	i = 200;
+	while (i--) {
+		if (!(mt76_rr(dev, MT_RXQ_STA) & 0x00ff0000) &&
+		    !mt76_rr(dev, 0x0a30) &&
+		    !mt76_rr(dev, 0x0a34)) {
+			if (ok++ > 5)
+				break;
+			continue;
+		}
+		msleep(1);
+	}
+
+	if (!mt76_poll(dev, MT_MAC_STATUS, MT_MAC_STATUS_RX, 0, 1000))
+		dev_warn(dev->dev, "Warning: MAC RX did not stop!\n");
+
+	if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_RX_BUSY, 0, 1000))
+		dev_warn(dev->dev, "Warning: RX DMA did not stop!\n");
+}
+
+void mt7601u_mac_stop(struct mt7601u_dev *dev)
+{
+	mt7601u_mac_stop_hw(dev);
+	flush_delayed_work(&dev->stat_work);
+	cancel_delayed_work_sync(&dev->stat_work);
+}
+
+static void mt7601u_stop_hardware(struct mt7601u_dev *dev)
+{
+	mt7601u_chip_onoff(dev, false, false);
+}
+
+int mt7601u_init_hardware(struct mt7601u_dev *dev)
+{
+	static const u16 beacon_offsets[16] = {
+		/* 512 byte per beacon */
+		0xc000,	0xc200,	0xc400,	0xc600,
+		0xc800,	0xca00,	0xcc00,	0xce00,
+		0xd000,	0xd200,	0xd400,	0xd600,
+		0xd800,	0xda00,	0xdc00,	0xde00
+	};
+	int ret;
+
+	dev->beacon_offsets = beacon_offsets;
+
+	mt7601u_chip_onoff(dev, true, false);
+
+	ret = mt7601u_wait_asic_ready(dev);
+	if (ret)
+		goto err;
+	ret = mt7601u_mcu_init(dev);
+	if (ret)
+		goto err;
+
+	if (!mt76_poll_msec(dev, MT_WPDMA_GLO_CFG,
+			    MT_WPDMA_GLO_CFG_TX_DMA_BUSY |
+			    MT_WPDMA_GLO_CFG_RX_DMA_BUSY, 0, 100)) {
+		ret = -EIO;
+		goto err;
+	}
+
+	/* Wait for ASIC ready after FW load. */
+	ret = mt7601u_wait_asic_ready(dev);
+	if (ret)
+		goto err;
+
+	mt7601u_reset_csr_bbp(dev);
+	mt7601u_init_usb_dma(dev);
+
+	ret = mt7601u_mcu_cmd_init(dev);
+	if (ret)
+		goto err;
+	ret = mt7601u_dma_init(dev);
+	if (ret)
+		goto err_mcu;
+	ret = mt7601u_write_mac_initvals(dev);
+	if (ret)
+		goto err_rx;
+
+	if (!mt76_poll_msec(dev, MT_MAC_STATUS,
+			    MT_MAC_STATUS_TX | MT_MAC_STATUS_RX, 0, 100)) {
+		ret = -EIO;
+		goto err_rx;
+	}
+
+	ret = mt7601u_init_bbp(dev);
+	if (ret)
+		goto err_rx;
+	ret = mt7601u_init_wcid_mem(dev);
+	if (ret)
+		goto err_rx;
+	ret = mt7601u_init_key_mem(dev);
+	if (ret)
+		goto err_rx;
+	ret = mt7601u_init_wcid_attr_mem(dev);
+	if (ret)
+		goto err_rx;
+
+	mt76_clear(dev, MT_BEACON_TIME_CFG, (MT_BEACON_TIME_CFG_TIMER_EN |
+					     MT_BEACON_TIME_CFG_SYNC_MODE |
+					     MT_BEACON_TIME_CFG_TBTT_EN |
+					     MT_BEACON_TIME_CFG_BEACON_TX));
+
+	mt7601u_reset_counters(dev);
+
+	mt7601u_rmw(dev, MT_US_CYC_CFG, MT_US_CYC_CNT, 0x1e);
+
+	mt7601u_wr(dev, MT_TXOP_CTRL_CFG,
+		   FIELD_PREP(MT_TXOP_TRUN_EN, 0x3f) |
+		   FIELD_PREP(MT_TXOP_EXT_CCA_DLY, 0x58));
+
+	ret = mt7601u_eeprom_init(dev);
+	if (ret)
+		goto err_rx;
+
+	ret = mt7601u_phy_init(dev);
+	if (ret)
+		goto err_rx;
+
+	mt7601u_set_rx_path(dev, 0);
+	mt7601u_set_tx_dac(dev, 0);
+
+	mt7601u_mac_set_ctrlch(dev, false);
+	mt7601u_bbp_set_ctrlch(dev, false);
+	mt7601u_bbp_set_bw(dev, MT_BW_20);
+
+	return 0;
+
+err_rx:
+	mt7601u_dma_cleanup(dev);
+err_mcu:
+	mt7601u_mcu_cmd_deinit(dev);
+err:
+	mt7601u_chip_onoff(dev, false, false);
+	return ret;
+}
+
+void mt7601u_cleanup(struct mt7601u_dev *dev)
+{
+	if (!test_and_clear_bit(MT7601U_STATE_INITIALIZED, &dev->state))
+		return;
+
+	mt7601u_stop_hardware(dev);
+	mt7601u_dma_cleanup(dev);
+	mt7601u_mcu_cmd_deinit(dev);
+}
+
+struct mt7601u_dev *mt7601u_alloc_device(struct device *pdev)
+{
+	struct ieee80211_hw *hw;
+	struct mt7601u_dev *dev;
+
+	hw = ieee80211_alloc_hw(sizeof(*dev), &mt7601u_ops);
+	if (!hw)
+		return NULL;
+
+	dev = hw->priv;
+	dev->dev = pdev;
+	dev->hw = hw;
+	mutex_init(&dev->vendor_req_mutex);
+	mutex_init(&dev->reg_atomic_mutex);
+	mutex_init(&dev->hw_atomic_mutex);
+	mutex_init(&dev->mutex);
+	spin_lock_init(&dev->tx_lock);
+	spin_lock_init(&dev->rx_lock);
+	spin_lock_init(&dev->lock);
+	spin_lock_init(&dev->mac_lock);
+	spin_lock_init(&dev->con_mon_lock);
+	atomic_set(&dev->avg_ampdu_len, 1);
+	skb_queue_head_init(&dev->tx_skb_done);
+
+	dev->stat_wq = alloc_workqueue("mt7601u", WQ_UNBOUND, 0);
+	if (!dev->stat_wq) {
+		ieee80211_free_hw(hw);
+		return NULL;
+	}
+
+	return dev;
+}
+
+#define CHAN2G(_idx, _freq) {			\
+	.band = NL80211_BAND_2GHZ,		\
+	.center_freq = (_freq),			\
+	.hw_value = (_idx),			\
+	.max_power = 30,			\
+}
+
+static const struct ieee80211_channel mt76_channels_2ghz[] = {
+	CHAN2G(1, 2412),
+	CHAN2G(2, 2417),
+	CHAN2G(3, 2422),
+	CHAN2G(4, 2427),
+	CHAN2G(5, 2432),
+	CHAN2G(6, 2437),
+	CHAN2G(7, 2442),
+	CHAN2G(8, 2447),
+	CHAN2G(9, 2452),
+	CHAN2G(10, 2457),
+	CHAN2G(11, 2462),
+	CHAN2G(12, 2467),
+	CHAN2G(13, 2472),
+	CHAN2G(14, 2484),
+};
+
+#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) | (8 + _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 mt76_rates[] = {
+	CCK_RATE(0, 10),
+	CCK_RATE(1, 20),
+	CCK_RATE(2, 55),
+	CCK_RATE(3, 110),
+	OFDM_RATE(0, 60),
+	OFDM_RATE(1, 90),
+	OFDM_RATE(2, 120),
+	OFDM_RATE(3, 180),
+	OFDM_RATE(4, 240),
+	OFDM_RATE(5, 360),
+	OFDM_RATE(6, 480),
+	OFDM_RATE(7, 540),
+};
+
+static int
+mt76_init_sband(struct mt7601u_dev *dev, struct ieee80211_supported_band *sband,
+		const struct ieee80211_channel *chan, int n_chan,
+		struct ieee80211_rate *rates, int n_rates)
+{
+	struct ieee80211_sta_ht_cap *ht_cap;
+	void *chanlist;
+	int size;
+
+	size = n_chan * sizeof(*chan);
+	chanlist = devm_kmemdup(dev->dev, chan, size, GFP_KERNEL);
+	if (!chanlist)
+		return -ENOMEM;
+
+	sband->channels = chanlist;
+	sband->n_channels = n_chan;
+	sband->bitrates = rates;
+	sband->n_bitrates = n_rates;
+
+	ht_cap = &sband->ht_cap;
+	ht_cap->ht_supported = true;
+	ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
+		      IEEE80211_HT_CAP_GRN_FLD |
+		      IEEE80211_HT_CAP_SGI_20 |
+		      IEEE80211_HT_CAP_SGI_40 |
+		      (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
+
+	ht_cap->mcs.rx_mask[0] = 0xff;
+	ht_cap->mcs.rx_mask[4] = 0x1;
+	ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
+	ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
+	ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_2;
+
+	dev->chandef.chan = &sband->channels[0];
+
+	return 0;
+}
+
+static int
+mt76_init_sband_2g(struct mt7601u_dev *dev)
+{
+	dev->sband_2g = devm_kzalloc(dev->dev, sizeof(*dev->sband_2g),
+				     GFP_KERNEL);
+	if (!dev->sband_2g)
+		return -ENOMEM;
+
+	dev->hw->wiphy->bands[NL80211_BAND_2GHZ] = dev->sband_2g;
+
+	WARN_ON(dev->ee->reg.start - 1 + dev->ee->reg.num >
+		ARRAY_SIZE(mt76_channels_2ghz));
+
+	return mt76_init_sband(dev, dev->sband_2g,
+			       &mt76_channels_2ghz[dev->ee->reg.start - 1],
+			       dev->ee->reg.num,
+			       mt76_rates, ARRAY_SIZE(mt76_rates));
+}
+
+int mt7601u_register_device(struct mt7601u_dev *dev)
+{
+	struct ieee80211_hw *hw = dev->hw;
+	struct wiphy *wiphy = hw->wiphy;
+	int ret;
+
+	/* Reserve WCID 0 for mcast - thanks to this APs WCID will go to
+	 * entry no. 1 like it does in the vendor driver.
+	 */
+	dev->wcid_mask[0] |= 1;
+
+	/* init fake wcid for monitor interfaces */
+	dev->mon_wcid = devm_kmalloc(dev->dev, sizeof(*dev->mon_wcid),
+				     GFP_KERNEL);
+	if (!dev->mon_wcid)
+		return -ENOMEM;
+	dev->mon_wcid->idx = 0xff;
+	dev->mon_wcid->hw_key_idx = -1;
+
+	SET_IEEE80211_DEV(hw, dev->dev);
+
+	hw->queues = 4;
+	ieee80211_hw_set(hw, SIGNAL_DBM);
+	ieee80211_hw_set(hw, PS_NULLFUNC_STACK);
+	ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES);
+	ieee80211_hw_set(hw, AMPDU_AGGREGATION);
+	ieee80211_hw_set(hw, SUPPORTS_RC_TABLE);
+	ieee80211_hw_set(hw, MFP_CAPABLE);
+	hw->max_rates = 1;
+	hw->max_report_rates = 7;
+	hw->max_rate_tries = 1;
+
+	hw->sta_data_size = sizeof(struct mt76_sta);
+	hw->vif_data_size = sizeof(struct mt76_vif);
+
+	SET_IEEE80211_PERM_ADDR(hw, dev->macaddr);
+
+	wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;
+	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+
+	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
+
+	ret = mt76_init_sband_2g(dev);
+	if (ret)
+		return ret;
+
+	INIT_DELAYED_WORK(&dev->mac_work, mt7601u_mac_work);
+	INIT_DELAYED_WORK(&dev->stat_work, mt7601u_tx_stat);
+
+	ret = ieee80211_register_hw(hw);
+	if (ret)
+		return ret;
+
+	mt7601u_init_debugfs(dev);
+
+	return 0;
+}
diff --git a/drivers/net/wireless/mediatek/mt7601u/initvals.h b/drivers/net/wireless/mediatek/mt7601u/initvals.h
new file mode 100644
index 000000000..59acbf570
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/initvals.h
@@ -0,0 +1,157 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * (c) Copyright 2002-2010, Ralink Technology, Inc.
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#ifndef __MT7601U_INITVALS_H
+#define __MT7601U_INITVALS_H
+
+static const struct mt76_reg_pair bbp_common_vals[] = {
+	{  65,	0x2c },
+	{  66,	0x38 },
+	{  68,	0x0b },
+	{  69,	0x12 },
+	{  70,	0x0a },
+	{  73,	0x10 },
+	{  81,	0x37 },
+	{  82,	0x62 },
+	{  83,	0x6a },
+	{  84,	0x99 },
+	{  86,	0x00 },
+	{  91,	0x04 },
+	{  92,	0x00 },
+	{ 103,	0x00 },
+	{ 105,	0x05 },
+	{ 106,	0x35 },
+};
+
+static const struct mt76_reg_pair bbp_chip_vals[] = {
+	{   1, 0x04 },	{   4, 0x40 },	{  20, 0x06 },	{  31, 0x08 },
+	/* CCK Tx Control */
+	{ 178, 0xff },
+	/* AGC/Sync controls */
+	{  66, 0x14 },	{  68, 0x8b },	{  69, 0x12 },	{  70, 0x09 },
+	{  73, 0x11 },	{  75, 0x60 },	{  76, 0x44 },	{  84, 0x9a },
+	{  86, 0x38 },	{  91, 0x07 },	{  92, 0x02 },
+	/* Rx Path Controls */
+	{  99, 0x50 },	{ 101, 0x00 },	{ 103, 0xc0 },	{ 104, 0x92 },
+	{ 105, 0x3c },	{ 106, 0x03 },	{ 128, 0x12 },
+	/* Change RXWI content: Gain Report */
+	{ 142, 0x04 },	{ 143, 0x37 },
+	/* Change RXWI content: Antenna Report */
+	{ 142, 0x03 },	{ 143, 0x99 },
+	/* Calibration Index Register */
+	/* CCK Receiver Control */
+	{ 160, 0xeb },	{ 161, 0xc4 },	{ 162, 0x77 },	{ 163, 0xf9 },
+	{ 164, 0x88 },	{ 165, 0x80 },	{ 166, 0xff },	{ 167, 0xe4 },
+	/* Added AGC controls - these AGC/GLRT registers are accessed
+	 * through R195 and R196.
+	 */
+	{ 195, 0x00 },	{ 196, 0x00 },
+	{ 195, 0x01 },	{ 196, 0x04 },
+	{ 195, 0x02 },	{ 196, 0x20 },
+	{ 195, 0x03 },	{ 196, 0x0a },
+	{ 195, 0x06 },	{ 196, 0x16 },
+	{ 195, 0x07 },	{ 196, 0x05 },
+	{ 195, 0x08 },	{ 196, 0x37 },
+	{ 195, 0x0a },	{ 196, 0x15 },
+	{ 195, 0x0b },	{ 196, 0x17 },
+	{ 195, 0x0c },	{ 196, 0x06 },
+	{ 195, 0x0d },	{ 196, 0x09 },
+	{ 195, 0x0e },	{ 196, 0x05 },
+	{ 195, 0x0f },	{ 196, 0x09 },
+	{ 195, 0x10 },	{ 196, 0x20 },
+	{ 195, 0x20 },	{ 196, 0x17 },
+	{ 195, 0x21 },	{ 196, 0x06 },
+	{ 195, 0x22 },	{ 196, 0x09 },
+	{ 195, 0x23 },	{ 196, 0x17 },
+	{ 195, 0x24 },	{ 196, 0x06 },
+	{ 195, 0x25 },	{ 196, 0x09 },
+	{ 195, 0x26 },	{ 196, 0x17 },
+	{ 195, 0x27 },	{ 196, 0x06 },
+	{ 195, 0x28 },	{ 196, 0x09 },
+	{ 195, 0x29 },	{ 196, 0x05 },
+	{ 195, 0x2a },	{ 196, 0x09 },
+	{ 195, 0x80 },	{ 196, 0x8b },
+	{ 195, 0x81 },	{ 196, 0x12 },
+	{ 195, 0x82 },	{ 196, 0x09 },
+	{ 195, 0x83 },	{ 196, 0x17 },
+	{ 195, 0x84 },	{ 196, 0x11 },
+	{ 195, 0x85 },	{ 196, 0x00 },
+	{ 195, 0x86 },	{ 196, 0x00 },
+	{ 195, 0x87 },	{ 196, 0x18 },
+	{ 195, 0x88 },	{ 196, 0x60 },
+	{ 195, 0x89 },	{ 196, 0x44 },
+	{ 195, 0x8a },	{ 196, 0x8b },
+	{ 195, 0x8b },	{ 196, 0x8b },
+	{ 195, 0x8c },	{ 196, 0x8b },
+	{ 195, 0x8d },	{ 196, 0x8b },
+	{ 195, 0x8e },	{ 196, 0x09 },
+	{ 195, 0x8f },	{ 196, 0x09 },
+	{ 195, 0x90 },	{ 196, 0x09 },
+	{ 195, 0x91 },	{ 196, 0x09 },
+	{ 195, 0x92 },	{ 196, 0x11 },
+	{ 195, 0x93 },	{ 196, 0x11 },
+	{ 195, 0x94 },	{ 196, 0x11 },
+	{ 195, 0x95 },	{ 196, 0x11 },
+	/* PPAD */
+	{  47, 0x80 },	{  60, 0x80 },	{ 150, 0xd2 },	{ 151, 0x32 },
+	{ 152, 0x23 },	{ 153, 0x41 },	{ 154, 0x00 },	{ 155, 0x4f },
+	{ 253, 0x7e },	{ 195, 0x30 },	{ 196, 0x32 },	{ 195, 0x31 },
+	{ 196, 0x23 },	{ 195, 0x32 },	{ 196, 0x45 },	{ 195, 0x35 },
+	{ 196, 0x4a },	{ 195, 0x36 },	{ 196, 0x5a },	{ 195, 0x37 },
+	{ 196, 0x5a },
+};
+
+static const struct mt76_reg_pair mac_common_vals[] = {
+	{ MT_LEGACY_BASIC_RATE,		0x0000013f },
+	{ MT_HT_BASIC_RATE,		0x00008003 },
+	{ MT_MAC_SYS_CTRL,		0x00000000 },
+	{ MT_RX_FILTR_CFG,		0x00017f97 },
+	{ MT_BKOFF_SLOT_CFG,		0x00000209 },
+	{ MT_TX_SW_CFG0,		0x00000000 },
+	{ MT_TX_SW_CFG1,		0x00080606 },
+	{ MT_TX_LINK_CFG,		0x00001020 },
+	{ MT_TX_TIMEOUT_CFG,		0x000a2090 },
+	{ MT_MAX_LEN_CFG,		0x00003fff },
+	{ MT_PBF_TX_MAX_PCNT,		0x1fbf1f1f },
+	{ MT_PBF_RX_MAX_PCNT,		0x0000009f },
+	{ MT_TX_RETRY_CFG,		0x47d01f0f },
+	{ MT_AUTO_RSP_CFG,		0x00000013 },
+	{ MT_CCK_PROT_CFG,		0x05740003 },
+	{ MT_OFDM_PROT_CFG,		0x05740003 },
+	{ MT_MM40_PROT_CFG,		0x03f44084 },
+	{ MT_GF20_PROT_CFG,		0x01744004 },
+	{ MT_GF40_PROT_CFG,		0x03f44084 },
+	{ MT_MM20_PROT_CFG,		0x01744004 },
+	{ MT_TXOP_CTRL_CFG,		0x0000583f },
+	{ MT_TX_RTS_CFG,		0x01092b20 },
+	{ MT_EXP_ACK_TIME,		0x002400ca },
+	{ MT_TXOP_HLDR_ET,		0x00000002 },
+	{ MT_XIFS_TIME_CFG,		0x33a41010 },
+	{ MT_PWR_PIN_CFG,		0x00000000 },
+	{ MT_PN_PAD_MODE,		0x00000001 },
+};
+
+static const struct mt76_reg_pair mac_chip_vals[] = {
+	{ MT_TSO_CTRL,			0x00006050 },
+	{ MT_BCN_OFFSET(0),		0x18100800 },
+	{ MT_BCN_OFFSET(1),		0x38302820 },
+	{ MT_PBF_SYS_CTRL,		0x00080c00 },
+	{ MT_PBF_CFG,			0x7f723c1f },
+	{ MT_FCE_PSE_CTRL,		0x00000001 },
+	{ MT_PAUSE_ENABLE_CONTROL1,	0x00000000 },
+	{ MT_TX0_RF_GAIN_CORR,		0x003b0005 },
+	{ MT_TX0_RF_GAIN_ATTEN,		0x00006900 },
+	{ MT_TX0_BB_GAIN_ATTEN,		0x00000400 },
+	{ MT_TX_ALC_VGA3,		0x00060006 },
+	{ MT_TX_SW_CFG0,		0x00000402 },
+	{ MT_TX_SW_CFG1,		0x00000000 },
+	{ MT_TX_SW_CFG2,		0x00000000 },
+	{ MT_HEADER_TRANS_CTRL_REG,	0x00000000 },
+	{ MT_FCE_CSO,			0x0000030f },
+	{ MT_FCE_PARAMETERS,		0x00256f0f },
+};
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt7601u/initvals_phy.h b/drivers/net/wireless/mediatek/mt7601u/initvals_phy.h
new file mode 100644
index 000000000..55cfedb24
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/initvals_phy.h
@@ -0,0 +1,283 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * (c) Copyright 2002-2010, Ralink Technology, Inc.
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#ifndef __MT7601U_PHY_INITVALS_H
+#define __MT7601U_PHY_INITVALS_H
+
+#define RF_REG_PAIR(bank, reg, value)				\
+	{ MT_MCU_MEMMAP_RF | (bank) << 16 | (reg), value }
+
+static const struct mt76_reg_pair rf_central[] = {
+	/* Bank 0 - for central blocks: BG, PLL, XTAL, LO, ADC/DAC */
+	RF_REG_PAIR(0,	 0, 0x02),
+	RF_REG_PAIR(0,	 1, 0x01),
+	RF_REG_PAIR(0,	 2, 0x11),
+	RF_REG_PAIR(0,	 3, 0xff),
+	RF_REG_PAIR(0,	 4, 0x0a),
+	RF_REG_PAIR(0,	 5, 0x20),
+	RF_REG_PAIR(0,	 6, 0x00),
+	/* B/G */
+	RF_REG_PAIR(0,	 7, 0x00),
+	RF_REG_PAIR(0,	 8, 0x00),
+	RF_REG_PAIR(0,	 9, 0x00),
+	RF_REG_PAIR(0,	10, 0x00),
+	RF_REG_PAIR(0,	11, 0x21),
+	/* XO */
+	RF_REG_PAIR(0,	13, 0x00),		/* 40mhz xtal */
+	/* RF_REG_PAIR(0,	13, 0x13), */	/* 20mhz xtal */
+	RF_REG_PAIR(0,	14, 0x7c),
+	RF_REG_PAIR(0,	15, 0x22),
+	RF_REG_PAIR(0,	16, 0x80),
+	/* PLL */
+	RF_REG_PAIR(0,	17, 0x99),
+	RF_REG_PAIR(0,	18, 0x99),
+	RF_REG_PAIR(0,	19, 0x09),
+	RF_REG_PAIR(0,	20, 0x50),
+	RF_REG_PAIR(0,	21, 0xb0),
+	RF_REG_PAIR(0,	22, 0x00),
+	RF_REG_PAIR(0,	23, 0xc5),
+	RF_REG_PAIR(0,	24, 0xfc),
+	RF_REG_PAIR(0,	25, 0x40),
+	RF_REG_PAIR(0,	26, 0x4d),
+	RF_REG_PAIR(0,	27, 0x02),
+	RF_REG_PAIR(0,	28, 0x72),
+	RF_REG_PAIR(0,	29, 0x01),
+	RF_REG_PAIR(0,	30, 0x00),
+	RF_REG_PAIR(0,	31, 0x00),
+	/* test ports */
+	RF_REG_PAIR(0,	32, 0x00),
+	RF_REG_PAIR(0,	33, 0x00),
+	RF_REG_PAIR(0,	34, 0x23),
+	RF_REG_PAIR(0,	35, 0x01), /* change setting to reduce spurs */
+	RF_REG_PAIR(0,	36, 0x00),
+	RF_REG_PAIR(0,	37, 0x00),
+	/* ADC/DAC */
+	RF_REG_PAIR(0,	38, 0x00),
+	RF_REG_PAIR(0,	39, 0x20),
+	RF_REG_PAIR(0,	40, 0x00),
+	RF_REG_PAIR(0,	41, 0xd0),
+	RF_REG_PAIR(0,	42, 0x1b),
+	RF_REG_PAIR(0,	43, 0x02),
+	RF_REG_PAIR(0,	44, 0x00),
+};
+
+static const struct mt76_reg_pair rf_channel[] = {
+	RF_REG_PAIR(4,	 0, 0x01),
+	RF_REG_PAIR(4,	 1, 0x00),
+	RF_REG_PAIR(4,	 2, 0x00),
+	RF_REG_PAIR(4,	 3, 0x00),
+	/* LDO */
+	RF_REG_PAIR(4,	 4, 0x00),
+	RF_REG_PAIR(4,	 5, 0x08),
+	RF_REG_PAIR(4,	 6, 0x00),
+	/* RX */
+	RF_REG_PAIR(4,	 7, 0x5b),
+	RF_REG_PAIR(4,	 8, 0x52),
+	RF_REG_PAIR(4,	 9, 0xb6),
+	RF_REG_PAIR(4,	10, 0x57),
+	RF_REG_PAIR(4,	11, 0x33),
+	RF_REG_PAIR(4,	12, 0x22),
+	RF_REG_PAIR(4,	13, 0x3d),
+	RF_REG_PAIR(4,	14, 0x3e),
+	RF_REG_PAIR(4,	15, 0x13),
+	RF_REG_PAIR(4,	16, 0x22),
+	RF_REG_PAIR(4,	17, 0x23),
+	RF_REG_PAIR(4,	18, 0x02),
+	RF_REG_PAIR(4,	19, 0xa4),
+	RF_REG_PAIR(4,	20, 0x01),
+	RF_REG_PAIR(4,	21, 0x12),
+	RF_REG_PAIR(4,	22, 0x80),
+	RF_REG_PAIR(4,	23, 0xb3),
+	RF_REG_PAIR(4,	24, 0x00), /* reserved */
+	RF_REG_PAIR(4,	25, 0x00), /* reserved */
+	RF_REG_PAIR(4,	26, 0x00), /* reserved */
+	RF_REG_PAIR(4,	27, 0x00), /* reserved */
+	/* LOGEN */
+	RF_REG_PAIR(4,	28, 0x18),
+	RF_REG_PAIR(4,	29, 0xee),
+	RF_REG_PAIR(4,	30, 0x6b),
+	RF_REG_PAIR(4,	31, 0x31),
+	RF_REG_PAIR(4,	32, 0x5d),
+	RF_REG_PAIR(4,	33, 0x00), /* reserved */
+	/* TX */
+	RF_REG_PAIR(4,	34, 0x96),
+	RF_REG_PAIR(4,	35, 0x55),
+	RF_REG_PAIR(4,	36, 0x08),
+	RF_REG_PAIR(4,	37, 0xbb),
+	RF_REG_PAIR(4,	38, 0xb3),
+	RF_REG_PAIR(4,	39, 0xb3),
+	RF_REG_PAIR(4,	40, 0x03),
+	RF_REG_PAIR(4,	41, 0x00), /* reserved */
+	RF_REG_PAIR(4,	42, 0x00), /* reserved */
+	RF_REG_PAIR(4,	43, 0xc5),
+	RF_REG_PAIR(4,	44, 0xc5),
+	RF_REG_PAIR(4,	45, 0xc5),
+	RF_REG_PAIR(4,	46, 0x07),
+	RF_REG_PAIR(4,	47, 0xa8),
+	RF_REG_PAIR(4,	48, 0xef),
+	RF_REG_PAIR(4,	49, 0x1a),
+	/* PA */
+	RF_REG_PAIR(4,	54, 0x07),
+	RF_REG_PAIR(4,	55, 0xa7),
+	RF_REG_PAIR(4,	56, 0xcc),
+	RF_REG_PAIR(4,	57, 0x14),
+	RF_REG_PAIR(4,	58, 0x07),
+	RF_REG_PAIR(4,	59, 0xa8),
+	RF_REG_PAIR(4,	60, 0xd7),
+	RF_REG_PAIR(4,	61, 0x10),
+	RF_REG_PAIR(4,	62, 0x1c),
+	RF_REG_PAIR(4,	63, 0x00), /* reserved */
+};
+
+static const struct mt76_reg_pair rf_vga[] = {
+	RF_REG_PAIR(5,	 0, 0x47),
+	RF_REG_PAIR(5,	 1, 0x00),
+	RF_REG_PAIR(5,	 2, 0x00),
+	RF_REG_PAIR(5,	 3, 0x08),
+	RF_REG_PAIR(5,	 4, 0x04),
+	RF_REG_PAIR(5,	 5, 0x20),
+	RF_REG_PAIR(5,	 6, 0x3a),
+	RF_REG_PAIR(5,	 7, 0x3a),
+	RF_REG_PAIR(5,	 8, 0x00),
+	RF_REG_PAIR(5,	 9, 0x00),
+	RF_REG_PAIR(5,	10, 0x10),
+	RF_REG_PAIR(5,	11, 0x10),
+	RF_REG_PAIR(5,	12, 0x10),
+	RF_REG_PAIR(5,	13, 0x10),
+	RF_REG_PAIR(5,	14, 0x10),
+	RF_REG_PAIR(5,	15, 0x20),
+	RF_REG_PAIR(5,	16, 0x22),
+	RF_REG_PAIR(5,	17, 0x7c),
+	RF_REG_PAIR(5,	18, 0x00),
+	RF_REG_PAIR(5,	19, 0x00),
+	RF_REG_PAIR(5,	20, 0x00),
+	RF_REG_PAIR(5,	21, 0xf1),
+	RF_REG_PAIR(5,	22, 0x11),
+	RF_REG_PAIR(5,	23, 0x02),
+	RF_REG_PAIR(5,	24, 0x41),
+	RF_REG_PAIR(5,	25, 0x20),
+	RF_REG_PAIR(5,	26, 0x00),
+	RF_REG_PAIR(5,	27, 0xd7),
+	RF_REG_PAIR(5,	28, 0xa2),
+	RF_REG_PAIR(5,	29, 0x20),
+	RF_REG_PAIR(5,	30, 0x49),
+	RF_REG_PAIR(5,	31, 0x20),
+	RF_REG_PAIR(5,	32, 0x04),
+	RF_REG_PAIR(5,	33, 0xf1),
+	RF_REG_PAIR(5,	34, 0xa1),
+	RF_REG_PAIR(5,	35, 0x01),
+	RF_REG_PAIR(5,	41, 0x00),
+	RF_REG_PAIR(5,	42, 0x00),
+	RF_REG_PAIR(5,	43, 0x00),
+	RF_REG_PAIR(5,	44, 0x00),
+	RF_REG_PAIR(5,	45, 0x00),
+	RF_REG_PAIR(5,	46, 0x00),
+	RF_REG_PAIR(5,	47, 0x00),
+	RF_REG_PAIR(5,	48, 0x00),
+	RF_REG_PAIR(5,	49, 0x00),
+	RF_REG_PAIR(5,	50, 0x00),
+	RF_REG_PAIR(5,	51, 0x00),
+	RF_REG_PAIR(5,	52, 0x00),
+	RF_REG_PAIR(5,	53, 0x00),
+	RF_REG_PAIR(5,	54, 0x00),
+	RF_REG_PAIR(5,	55, 0x00),
+	RF_REG_PAIR(5,	56, 0x00),
+	RF_REG_PAIR(5,	57, 0x00),
+	RF_REG_PAIR(5,	58, 0x31),
+	RF_REG_PAIR(5,	59, 0x31),
+	RF_REG_PAIR(5,	60, 0x0a),
+	RF_REG_PAIR(5,	61, 0x02),
+	RF_REG_PAIR(5,	62, 0x00),
+	RF_REG_PAIR(5,	63, 0x00),
+};
+
+/* TODO: BBP178 is set to 0xff for "CCK CH14 OBW" which overrides the settings
+ *	 from channel switching. Seems stupid at best.
+ */
+static const struct mt76_reg_pair bbp_high_temp[] = {
+	{  75, 0x60 },
+	{  92, 0x02 },
+	{ 178, 0xff }, /* For CCK CH14 OBW */
+	{ 195, 0x88 }, { 196, 0x60 },
+}, bbp_high_temp_bw20[] = {
+	{  69, 0x12 },
+	{  91, 0x07 },
+	{ 195, 0x23 }, { 196, 0x17 },
+	{ 195, 0x24 }, { 196, 0x06 },
+	{ 195, 0x81 }, { 196, 0x12 },
+	{ 195, 0x83 }, { 196, 0x17 },
+}, bbp_high_temp_bw40[] = {
+	{  69, 0x15 },
+	{  91, 0x04 },
+	{ 195, 0x23 }, { 196, 0x12 },
+	{ 195, 0x24 }, { 196, 0x08 },
+	{ 195, 0x81 }, { 196, 0x15 },
+	{ 195, 0x83 }, { 196, 0x16 },
+}, bbp_low_temp[] = {
+	{ 178, 0xff }, /* For CCK CH14 OBW */
+}, bbp_low_temp_bw20[] = {
+	{  69, 0x12 },
+	{  75, 0x5e },
+	{  91, 0x07 },
+	{  92, 0x02 },
+	{ 195, 0x23 }, { 196, 0x17 },
+	{ 195, 0x24 }, { 196, 0x06 },
+	{ 195, 0x81 }, { 196, 0x12 },
+	{ 195, 0x83 }, { 196, 0x17 },
+	{ 195, 0x88 }, { 196, 0x5e },
+}, bbp_low_temp_bw40[] = {
+	{  69, 0x15 },
+	{  75, 0x5c },
+	{  91, 0x04 },
+	{  92, 0x03 },
+	{ 195, 0x23 }, { 196, 0x10 },
+	{ 195, 0x24 }, { 196, 0x08 },
+	{ 195, 0x81 }, { 196, 0x15 },
+	{ 195, 0x83 }, { 196, 0x16 },
+	{ 195, 0x88 }, { 196, 0x5b },
+}, bbp_normal_temp[] = {
+	{  75, 0x60 },
+	{  92, 0x02 },
+	{ 178, 0xff }, /* For CCK CH14 OBW */
+	{ 195, 0x88 }, { 196, 0x60 },
+}, bbp_normal_temp_bw20[] = {
+	{  69, 0x12 },
+	{  91, 0x07 },
+	{ 195, 0x23 }, { 196, 0x17 },
+	{ 195, 0x24 }, { 196, 0x06 },
+	{ 195, 0x81 }, { 196, 0x12 },
+	{ 195, 0x83 }, { 196, 0x17 },
+}, bbp_normal_temp_bw40[] = {
+	{  69, 0x15 },
+	{  91, 0x04 },
+	{ 195, 0x23 }, { 196, 0x12 },
+	{ 195, 0x24 }, { 196, 0x08 },
+	{ 195, 0x81 }, { 196, 0x15 },
+	{ 195, 0x83 }, { 196, 0x16 },
+};
+
+#define BBP_TABLE(arr) { arr, ARRAY_SIZE(arr), }
+
+static const struct reg_table {
+	const struct mt76_reg_pair *regs;
+	size_t n;
+} bbp_mode_table[3][3] = {
+	{
+		BBP_TABLE(bbp_normal_temp_bw20),
+		BBP_TABLE(bbp_normal_temp_bw40),
+		BBP_TABLE(bbp_normal_temp),
+	}, {
+		BBP_TABLE(bbp_high_temp_bw20),
+		BBP_TABLE(bbp_high_temp_bw40),
+		BBP_TABLE(bbp_high_temp),
+	}, {
+		BBP_TABLE(bbp_low_temp_bw20),
+		BBP_TABLE(bbp_low_temp_bw40),
+		BBP_TABLE(bbp_low_temp),
+	}
+};
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt7601u/mac.c b/drivers/net/wireless/mediatek/mt7601u/mac.c
new file mode 100644
index 000000000..d2ee1aaa3
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/mac.c
@@ -0,0 +1,593 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#include "mt7601u.h"
+#include "trace.h"
+#include <linux/etherdevice.h>
+
+void mt7601u_set_macaddr(struct mt7601u_dev *dev, const u8 *addr)
+{
+	ether_addr_copy(dev->macaddr, addr);
+
+	if (!is_valid_ether_addr(dev->macaddr)) {
+		eth_random_addr(dev->macaddr);
+		dev_info(dev->dev,
+			 "Invalid MAC address, using random address %pM\n",
+			 dev->macaddr);
+	}
+
+	mt76_wr(dev, MT_MAC_ADDR_DW0, get_unaligned_le32(dev->macaddr));
+	mt76_wr(dev, MT_MAC_ADDR_DW1, get_unaligned_le16(dev->macaddr + 4) |
+		FIELD_PREP(MT_MAC_ADDR_DW1_U2ME_MASK, 0xff));
+}
+
+static void
+mt76_mac_process_tx_rate(struct ieee80211_tx_rate *txrate, u16 rate)
+{
+	u8 idx = FIELD_GET(MT_TXWI_RATE_MCS, rate);
+
+	txrate->idx = 0;
+	txrate->flags = 0;
+	txrate->count = 1;
+
+	switch (FIELD_GET(MT_TXWI_RATE_PHY_MODE, rate)) {
+	case MT_PHY_TYPE_OFDM:
+		txrate->idx = idx + 4;
+		return;
+	case MT_PHY_TYPE_CCK:
+		if (idx >= 8)
+			idx -= 8;
+
+		txrate->idx = idx;
+		return;
+	case MT_PHY_TYPE_HT_GF:
+		txrate->flags |= IEEE80211_TX_RC_GREEN_FIELD;
+		fallthrough;
+	case MT_PHY_TYPE_HT:
+		txrate->flags |= IEEE80211_TX_RC_MCS;
+		txrate->idx = idx;
+		break;
+	default:
+		WARN_ON(1);
+		return;
+	}
+
+	if (FIELD_GET(MT_TXWI_RATE_BW, rate) == MT_PHY_BW_40)
+		txrate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
+
+	if (rate & MT_TXWI_RATE_SGI)
+		txrate->flags |= IEEE80211_TX_RC_SHORT_GI;
+}
+
+static void
+mt76_mac_fill_tx_status(struct mt7601u_dev *dev, struct ieee80211_tx_info *info,
+			struct mt76_tx_status *st)
+{
+	struct ieee80211_tx_rate *rate = info->status.rates;
+	int cur_idx, last_rate;
+	int i;
+
+	last_rate = min_t(int, st->retry, IEEE80211_TX_MAX_RATES - 1);
+	mt76_mac_process_tx_rate(&rate[last_rate], st->rate);
+	if (last_rate < IEEE80211_TX_MAX_RATES - 1)
+		rate[last_rate + 1].idx = -1;
+
+	cur_idx = rate[last_rate].idx + st->retry;
+	for (i = 0; i <= last_rate; i++) {
+		rate[i].flags = rate[last_rate].flags;
+		rate[i].idx = max_t(int, 0, cur_idx - i);
+		rate[i].count = 1;
+	}
+
+	if (last_rate > 0)
+		rate[last_rate - 1].count = st->retry + 1 - last_rate;
+
+	info->status.ampdu_len = 1;
+	info->status.ampdu_ack_len = st->success;
+
+	if (st->is_probe)
+		info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
+
+	if (st->aggr)
+		info->flags |= IEEE80211_TX_CTL_AMPDU |
+			       IEEE80211_TX_STAT_AMPDU;
+
+	if (!st->ack_req)
+		info->flags |= IEEE80211_TX_CTL_NO_ACK;
+	else if (st->success)
+		info->flags |= IEEE80211_TX_STAT_ACK;
+}
+
+u16 mt76_mac_tx_rate_val(struct mt7601u_dev *dev,
+			 const struct ieee80211_tx_rate *rate, u8 *nss_val)
+{
+	u16 rateval;
+	u8 phy, rate_idx;
+	u8 nss = 1;
+	u8 bw = 0;
+
+	if (rate->flags & IEEE80211_TX_RC_MCS) {
+		rate_idx = rate->idx;
+		nss = 1 + (rate->idx >> 3);
+		phy = MT_PHY_TYPE_HT;
+		if (rate->flags & IEEE80211_TX_RC_GREEN_FIELD)
+			phy = MT_PHY_TYPE_HT_GF;
+		if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+			bw = 1;
+	} else {
+		const struct ieee80211_rate *r;
+		int band = dev->chandef.chan->band;
+		u16 val;
+
+		r = &dev->hw->wiphy->bands[band]->bitrates[rate->idx];
+		if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
+			val = r->hw_value_short;
+		else
+			val = r->hw_value;
+
+		phy = val >> 8;
+		rate_idx = val & 0xff;
+		bw = 0;
+	}
+
+	rateval = FIELD_PREP(MT_RXWI_RATE_MCS, rate_idx);
+	rateval |= FIELD_PREP(MT_RXWI_RATE_PHY, phy);
+	rateval |= FIELD_PREP(MT_RXWI_RATE_BW, bw);
+	if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
+		rateval |= MT_RXWI_RATE_SGI;
+
+	*nss_val = nss;
+	return rateval;
+}
+
+void mt76_mac_wcid_set_rate(struct mt7601u_dev *dev, struct mt76_wcid *wcid,
+			    const struct ieee80211_tx_rate *rate)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->lock, flags);
+	wcid->tx_rate = mt76_mac_tx_rate_val(dev, rate, &wcid->tx_rate_nss);
+	wcid->tx_rate_set = true;
+	spin_unlock_irqrestore(&dev->lock, flags);
+}
+
+struct mt76_tx_status mt7601u_mac_fetch_tx_status(struct mt7601u_dev *dev)
+{
+	struct mt76_tx_status stat = {};
+	u32 val;
+
+	val = mt7601u_rr(dev, MT_TX_STAT_FIFO);
+	stat.valid = !!(val & MT_TX_STAT_FIFO_VALID);
+	stat.success = !!(val & MT_TX_STAT_FIFO_SUCCESS);
+	stat.aggr = !!(val & MT_TX_STAT_FIFO_AGGR);
+	stat.ack_req = !!(val & MT_TX_STAT_FIFO_ACKREQ);
+	stat.pktid = FIELD_GET(MT_TX_STAT_FIFO_PID_TYPE, val);
+	stat.wcid = FIELD_GET(MT_TX_STAT_FIFO_WCID, val);
+	stat.rate = FIELD_GET(MT_TX_STAT_FIFO_RATE, val);
+
+	return stat;
+}
+
+void mt76_send_tx_status(struct mt7601u_dev *dev, struct mt76_tx_status *stat)
+{
+	struct ieee80211_tx_info info = {};
+	struct ieee80211_sta *sta = NULL;
+	struct mt76_wcid *wcid = NULL;
+	void *msta;
+
+	rcu_read_lock();
+	if (stat->wcid < ARRAY_SIZE(dev->wcid))
+		wcid = rcu_dereference(dev->wcid[stat->wcid]);
+
+	if (wcid) {
+		msta = container_of(wcid, struct mt76_sta, wcid);
+		sta = container_of(msta, struct ieee80211_sta,
+				   drv_priv);
+	}
+
+	mt76_mac_fill_tx_status(dev, &info, stat);
+
+	spin_lock_bh(&dev->mac_lock);
+	ieee80211_tx_status_noskb(dev->hw, sta, &info);
+	spin_unlock_bh(&dev->mac_lock);
+
+	rcu_read_unlock();
+}
+
+void mt7601u_mac_set_protection(struct mt7601u_dev *dev, bool legacy_prot,
+				int ht_mode)
+{
+	int mode = ht_mode & IEEE80211_HT_OP_MODE_PROTECTION;
+	bool non_gf = !!(ht_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
+	u32 prot[6];
+	bool ht_rts[4] = {};
+	int i;
+
+	prot[0] = MT_PROT_NAV_SHORT |
+		  MT_PROT_TXOP_ALLOW_ALL |
+		  MT_PROT_RTS_THR_EN;
+	prot[1] = prot[0];
+	if (legacy_prot)
+		prot[1] |= MT_PROT_CTRL_CTS2SELF;
+
+	prot[2] = prot[4] = MT_PROT_NAV_SHORT | MT_PROT_TXOP_ALLOW_BW20;
+	prot[3] = prot[5] = MT_PROT_NAV_SHORT | MT_PROT_TXOP_ALLOW_ALL;
+
+	if (legacy_prot) {
+		prot[2] |= MT_PROT_RATE_CCK_11;
+		prot[3] |= MT_PROT_RATE_CCK_11;
+		prot[4] |= MT_PROT_RATE_CCK_11;
+		prot[5] |= MT_PROT_RATE_CCK_11;
+	} else {
+		prot[2] |= MT_PROT_RATE_OFDM_24;
+		prot[3] |= MT_PROT_RATE_DUP_OFDM_24;
+		prot[4] |= MT_PROT_RATE_OFDM_24;
+		prot[5] |= MT_PROT_RATE_DUP_OFDM_24;
+	}
+
+	switch (mode) {
+	case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
+		break;
+
+	case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
+		ht_rts[0] = ht_rts[1] = ht_rts[2] = ht_rts[3] = true;
+		break;
+
+	case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
+		ht_rts[1] = ht_rts[3] = true;
+		break;
+
+	case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
+		ht_rts[0] = ht_rts[1] = ht_rts[2] = ht_rts[3] = true;
+		break;
+	}
+
+	if (non_gf)
+		ht_rts[2] = ht_rts[3] = true;
+
+	for (i = 0; i < 4; i++)
+		if (ht_rts[i])
+			prot[i + 2] |= MT_PROT_CTRL_RTS_CTS;
+
+	for (i = 0; i < 6; i++)
+		mt7601u_wr(dev, MT_CCK_PROT_CFG + i * 4, prot[i]);
+}
+
+void mt7601u_mac_set_short_preamble(struct mt7601u_dev *dev, bool short_preamb)
+{
+	if (short_preamb)
+		mt76_set(dev, MT_AUTO_RSP_CFG, MT_AUTO_RSP_PREAMB_SHORT);
+	else
+		mt76_clear(dev, MT_AUTO_RSP_CFG, MT_AUTO_RSP_PREAMB_SHORT);
+}
+
+void mt7601u_mac_config_tsf(struct mt7601u_dev *dev, bool enable, int interval)
+{
+	u32 val = mt7601u_rr(dev, MT_BEACON_TIME_CFG);
+
+	val &= ~(MT_BEACON_TIME_CFG_TIMER_EN |
+		 MT_BEACON_TIME_CFG_SYNC_MODE |
+		 MT_BEACON_TIME_CFG_TBTT_EN);
+
+	if (!enable) {
+		mt7601u_wr(dev, MT_BEACON_TIME_CFG, val);
+		return;
+	}
+
+	val &= ~MT_BEACON_TIME_CFG_INTVAL;
+	val |= FIELD_PREP(MT_BEACON_TIME_CFG_INTVAL, interval << 4) |
+		MT_BEACON_TIME_CFG_TIMER_EN |
+		MT_BEACON_TIME_CFG_SYNC_MODE |
+		MT_BEACON_TIME_CFG_TBTT_EN;
+}
+
+static void mt7601u_check_mac_err(struct mt7601u_dev *dev)
+{
+	u32 val = mt7601u_rr(dev, 0x10f4);
+
+	if (!(val & BIT(29)) || !(val & (BIT(7) | BIT(5))))
+		return;
+
+	dev_err(dev->dev, "Error: MAC specific condition occurred\n");
+
+	mt76_set(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_RESET_CSR);
+	udelay(10);
+	mt76_clear(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_RESET_CSR);
+}
+
+void mt7601u_mac_work(struct work_struct *work)
+{
+	struct mt7601u_dev *dev = container_of(work, struct mt7601u_dev,
+					       mac_work.work);
+	struct {
+		u32 addr_base;
+		u32 span;
+		u64 *stat_base;
+	} spans[] = {
+		{ MT_RX_STA_CNT0,	3,	dev->stats.rx_stat },
+		{ MT_TX_STA_CNT0,	3,	dev->stats.tx_stat },
+		{ MT_TX_AGG_STAT,	1,	dev->stats.aggr_stat },
+		{ MT_MPDU_DENSITY_CNT,	1,	dev->stats.zero_len_del },
+		{ MT_TX_AGG_CNT_BASE0,	8,	&dev->stats.aggr_n[0] },
+		{ MT_TX_AGG_CNT_BASE1,	8,	&dev->stats.aggr_n[16] },
+	};
+	u32 sum, n;
+	int i, j, k;
+
+	/* Note: using MCU_RANDOM_READ is actually slower then reading all the
+	 *	 registers by hand.  MCU takes ca. 20ms to complete read of 24
+	 *	 registers while reading them one by one will takes roughly
+	 *	 24*200us =~ 5ms.
+	 */
+
+	k = 0;
+	n = 0;
+	sum = 0;
+	for (i = 0; i < ARRAY_SIZE(spans); i++)
+		for (j = 0; j < spans[i].span; j++) {
+			u32 val = mt7601u_rr(dev, spans[i].addr_base + j * 4);
+
+			spans[i].stat_base[j * 2] += val & 0xffff;
+			spans[i].stat_base[j * 2 + 1] += val >> 16;
+
+			/* Calculate average AMPDU length */
+			if (spans[i].addr_base != MT_TX_AGG_CNT_BASE0 &&
+			    spans[i].addr_base != MT_TX_AGG_CNT_BASE1)
+				continue;
+
+			n += (val >> 16) + (val & 0xffff);
+			sum += (val & 0xffff) * (1 + k * 2) +
+				(val >> 16) * (2 + k * 2);
+			k++;
+		}
+
+	atomic_set(&dev->avg_ampdu_len, n ? DIV_ROUND_CLOSEST(sum, n) : 1);
+
+	mt7601u_check_mac_err(dev);
+
+	ieee80211_queue_delayed_work(dev->hw, &dev->mac_work, 10 * HZ);
+}
+
+void
+mt7601u_mac_wcid_setup(struct mt7601u_dev *dev, u8 idx, u8 vif_idx, u8 *mac)
+{
+	u8 zmac[ETH_ALEN] = {};
+	u32 attr;
+
+	attr = FIELD_PREP(MT_WCID_ATTR_BSS_IDX, vif_idx & 7) |
+	       FIELD_PREP(MT_WCID_ATTR_BSS_IDX_EXT, !!(vif_idx & 8));
+
+	mt76_wr(dev, MT_WCID_ATTR(idx), attr);
+
+	if (mac)
+		memcpy(zmac, mac, sizeof(zmac));
+
+	mt7601u_addr_wr(dev, MT_WCID_ADDR(idx), zmac);
+}
+
+void mt7601u_mac_set_ampdu_factor(struct mt7601u_dev *dev)
+{
+	struct ieee80211_sta *sta;
+	struct mt76_wcid *wcid;
+	void *msta;
+	u8 min_factor = 3;
+	int i;
+
+	rcu_read_lock();
+	for (i = 0; i < ARRAY_SIZE(dev->wcid); i++) {
+		wcid = rcu_dereference(dev->wcid[i]);
+		if (!wcid)
+			continue;
+
+		msta = container_of(wcid, struct mt76_sta, wcid);
+		sta = container_of(msta, struct ieee80211_sta, drv_priv);
+
+		min_factor = min(min_factor, sta->ht_cap.ampdu_factor);
+	}
+	rcu_read_unlock();
+
+	mt7601u_wr(dev, MT_MAX_LEN_CFG, 0xa0fff |
+		   FIELD_PREP(MT_MAX_LEN_CFG_AMPDU, min_factor));
+}
+
+static void
+mt76_mac_process_rate(struct ieee80211_rx_status *status, u16 rate)
+{
+	u8 idx = FIELD_GET(MT_RXWI_RATE_MCS, rate);
+
+	switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) {
+	case MT_PHY_TYPE_OFDM:
+		if (WARN_ON(idx >= 8))
+			idx = 0;
+		idx += 4;
+
+		status->rate_idx = idx;
+		return;
+	case MT_PHY_TYPE_CCK:
+		if (idx >= 8) {
+			idx -= 8;
+			status->enc_flags |= RX_ENC_FLAG_SHORTPRE;
+		}
+
+		if (WARN_ON(idx >= 4))
+			idx = 0;
+
+		status->rate_idx = idx;
+		return;
+	case MT_PHY_TYPE_HT_GF:
+		status->enc_flags |= RX_ENC_FLAG_HT_GF;
+		fallthrough;
+	case MT_PHY_TYPE_HT:
+		status->encoding = RX_ENC_HT;
+		status->rate_idx = idx;
+		break;
+	default:
+		WARN_ON(1);
+		return;
+	}
+
+	if (rate & MT_RXWI_RATE_SGI)
+		status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
+
+	if (rate & MT_RXWI_RATE_STBC)
+		status->enc_flags |= 1 << RX_ENC_FLAG_STBC_SHIFT;
+
+	if (rate & MT_RXWI_RATE_BW)
+		status->bw = RATE_INFO_BW_40;
+}
+
+static void
+mt7601u_rx_monitor_beacon(struct mt7601u_dev *dev, struct mt7601u_rxwi *rxwi,
+			  u16 rate, int rssi)
+{
+	dev->bcn_freq_off = rxwi->freq_off;
+	dev->bcn_phy_mode = FIELD_GET(MT_RXWI_RATE_PHY, rate);
+	ewma_rssi_add(&dev->avg_rssi, -rssi);
+}
+
+static int
+mt7601u_rx_is_our_beacon(struct mt7601u_dev *dev, u8 *data)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)data;
+
+	return ieee80211_is_beacon(hdr->frame_control) &&
+		ether_addr_equal(hdr->addr2, dev->ap_bssid);
+}
+
+u32 mt76_mac_process_rx(struct mt7601u_dev *dev, struct sk_buff *skb,
+			u8 *data, void *rxi)
+{
+	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+	struct mt7601u_rxwi *rxwi = rxi;
+	u32 len, ctl = le32_to_cpu(rxwi->ctl);
+	u16 rate = le16_to_cpu(rxwi->rate);
+	int rssi;
+
+	len = FIELD_GET(MT_RXWI_CTL_MPDU_LEN, ctl);
+	if (len < 10)
+		return 0;
+
+	if (rxwi->rxinfo & cpu_to_le32(MT_RXINFO_DECRYPT)) {
+		status->flag |= RX_FLAG_DECRYPTED;
+		status->flag |= RX_FLAG_MMIC_STRIPPED;
+		status->flag |= RX_FLAG_MIC_STRIPPED;
+		status->flag |= RX_FLAG_ICV_STRIPPED;
+		status->flag |= RX_FLAG_IV_STRIPPED;
+	}
+	/* let mac80211 take care of PN validation since apparently
+	 * the hardware does not support it
+	 */
+	if (rxwi->rxinfo & cpu_to_le32(MT_RXINFO_PN_LEN))
+		status->flag &= ~RX_FLAG_IV_STRIPPED;
+
+	status->chains = BIT(0);
+	rssi = mt7601u_phy_get_rssi(dev, rxwi, rate);
+	status->chain_signal[0] = status->signal = rssi;
+	status->freq = dev->chandef.chan->center_freq;
+	status->band = dev->chandef.chan->band;
+
+	mt76_mac_process_rate(status, rate);
+
+	spin_lock_bh(&dev->con_mon_lock);
+	if (mt7601u_rx_is_our_beacon(dev, data))
+		mt7601u_rx_monitor_beacon(dev, rxwi, rate, rssi);
+	else if (rxwi->rxinfo & cpu_to_le32(MT_RXINFO_U2M))
+		ewma_rssi_add(&dev->avg_rssi, -rssi);
+	spin_unlock_bh(&dev->con_mon_lock);
+
+	return len;
+}
+
+static enum mt76_cipher_type
+mt76_mac_get_key_info(struct ieee80211_key_conf *key, u8 *key_data)
+{
+	memset(key_data, 0, 32);
+	if (!key)
+		return MT_CIPHER_NONE;
+
+	if (key->keylen > 32)
+		return MT_CIPHER_NONE;
+
+	memcpy(key_data, key->key, key->keylen);
+
+	switch (key->cipher) {
+	case WLAN_CIPHER_SUITE_WEP40:
+		return MT_CIPHER_WEP40;
+	case WLAN_CIPHER_SUITE_WEP104:
+		return MT_CIPHER_WEP104;
+	case WLAN_CIPHER_SUITE_TKIP:
+		return MT_CIPHER_TKIP;
+	case WLAN_CIPHER_SUITE_CCMP:
+		return MT_CIPHER_AES_CCMP;
+	default:
+		return MT_CIPHER_NONE;
+	}
+}
+
+int mt76_mac_wcid_set_key(struct mt7601u_dev *dev, u8 idx,
+			  struct ieee80211_key_conf *key)
+{
+	enum mt76_cipher_type cipher;
+	u8 key_data[32];
+	u8 iv_data[8];
+	u32 val;
+
+	cipher = mt76_mac_get_key_info(key, key_data);
+	if (cipher == MT_CIPHER_NONE && key)
+		return -EINVAL;
+
+	trace_set_key(dev, idx);
+
+	mt7601u_wr_copy(dev, MT_WCID_KEY(idx), key_data, sizeof(key_data));
+
+	memset(iv_data, 0, sizeof(iv_data));
+	if (key) {
+		iv_data[3] = key->keyidx << 6;
+		if (cipher >= MT_CIPHER_TKIP) {
+			/* Note: start with 1 to comply with spec,
+			 *	 (see comment on common/cmm_wpa.c:4291).
+			 */
+			iv_data[0] |= 1;
+			iv_data[3] |= 0x20;
+		}
+	}
+	mt7601u_wr_copy(dev, MT_WCID_IV(idx), iv_data, sizeof(iv_data));
+
+	val = mt7601u_rr(dev, MT_WCID_ATTR(idx));
+	val &= ~MT_WCID_ATTR_PKEY_MODE & ~MT_WCID_ATTR_PKEY_MODE_EXT;
+	val |= FIELD_PREP(MT_WCID_ATTR_PKEY_MODE, cipher & 7) |
+	       FIELD_PREP(MT_WCID_ATTR_PKEY_MODE_EXT, cipher >> 3);
+	val &= ~MT_WCID_ATTR_PAIRWISE;
+	val |= MT_WCID_ATTR_PAIRWISE *
+		!!(key && key->flags & IEEE80211_KEY_FLAG_PAIRWISE);
+	mt7601u_wr(dev, MT_WCID_ATTR(idx), val);
+
+	return 0;
+}
+
+int mt76_mac_shared_key_setup(struct mt7601u_dev *dev, u8 vif_idx, u8 key_idx,
+			      struct ieee80211_key_conf *key)
+{
+	enum mt76_cipher_type cipher;
+	u8 key_data[32];
+	u32 val;
+
+	cipher = mt76_mac_get_key_info(key, key_data);
+	if (cipher == MT_CIPHER_NONE && key)
+		return -EINVAL;
+
+	trace_set_shared_key(dev, vif_idx, key_idx);
+
+	mt7601u_wr_copy(dev, MT_SKEY(vif_idx, key_idx),
+			key_data, sizeof(key_data));
+
+	val = mt76_rr(dev, MT_SKEY_MODE(vif_idx));
+	val &= ~(MT_SKEY_MODE_MASK << MT_SKEY_MODE_SHIFT(vif_idx, key_idx));
+	val |= cipher << MT_SKEY_MODE_SHIFT(vif_idx, key_idx);
+	mt76_wr(dev, MT_SKEY_MODE(vif_idx), val);
+
+	return 0;
+}
diff --git a/drivers/net/wireless/mediatek/mt7601u/mac.h b/drivers/net/wireless/mediatek/mt7601u/mac.h
new file mode 100644
index 000000000..54bd4fac5
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/mac.h
@@ -0,0 +1,171 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#ifndef __MT76_MAC_H
+#define __MT76_MAC_H
+
+struct mt76_tx_status {
+	u8 valid:1;
+	u8 success:1;
+	u8 aggr:1;
+	u8 ack_req:1;
+	u8 is_probe:1;
+	u8 wcid;
+	u8 pktid;
+	u8 retry;
+	u16 rate;
+} __packed __aligned(2);
+
+/* Note: values in original "RSSI" and "SNR" fields are not actually what they
+ *	 are called for MT7601U, names used by this driver are educated guesses
+ *	 (see vendor mac/ral_omac.c).
+ */
+struct mt7601u_rxwi {
+	__le32 rxinfo;
+
+	__le32 ctl;
+
+	__le16 frag_sn;
+	__le16 rate;
+
+	u8 unknown;
+	u8 zero[3];
+
+	u8 snr;
+	u8 ant;
+	u8 gain;
+	u8 freq_off;
+
+	__le32 resv2;
+	__le32 expert_ant;
+} __packed __aligned(4);
+
+#define MT_RXINFO_BA			BIT(0)
+#define MT_RXINFO_DATA			BIT(1)
+#define MT_RXINFO_NULL			BIT(2)
+#define MT_RXINFO_FRAG			BIT(3)
+#define MT_RXINFO_U2M			BIT(4)
+#define MT_RXINFO_MULTICAST		BIT(5)
+#define MT_RXINFO_BROADCAST		BIT(6)
+#define MT_RXINFO_MYBSS			BIT(7)
+#define MT_RXINFO_CRCERR		BIT(8)
+#define MT_RXINFO_ICVERR		BIT(9)
+#define MT_RXINFO_MICERR		BIT(10)
+#define MT_RXINFO_AMSDU			BIT(11)
+#define MT_RXINFO_HTC			BIT(12)
+#define MT_RXINFO_RSSI			BIT(13)
+#define MT_RXINFO_L2PAD			BIT(14)
+#define MT_RXINFO_AMPDU			BIT(15)
+#define MT_RXINFO_DECRYPT		BIT(16)
+#define MT_RXINFO_BSSIDX3		BIT(17)
+#define MT_RXINFO_WAPI_KEY		BIT(18)
+#define MT_RXINFO_PN_LEN		GENMASK(21, 19)
+#define MT_RXINFO_SW_PKT_80211		BIT(22)
+#define MT_RXINFO_TCP_SUM_BYPASS	BIT(28)
+#define MT_RXINFO_IP_SUM_BYPASS		BIT(29)
+#define MT_RXINFO_TCP_SUM_ERR		BIT(30)
+#define MT_RXINFO_IP_SUM_ERR		BIT(31)
+
+#define MT_RXWI_CTL_WCID		GENMASK(7, 0)
+#define MT_RXWI_CTL_KEY_IDX		GENMASK(9, 8)
+#define MT_RXWI_CTL_BSS_IDX		GENMASK(12, 10)
+#define MT_RXWI_CTL_UDF			GENMASK(15, 13)
+#define MT_RXWI_CTL_MPDU_LEN		GENMASK(27, 16)
+#define MT_RXWI_CTL_TID			GENMASK(31, 28)
+
+#define MT_RXWI_FRAG			GENMASK(3, 0)
+#define MT_RXWI_SN			GENMASK(15, 4)
+
+#define MT_RXWI_RATE_MCS		GENMASK(6, 0)
+#define MT_RXWI_RATE_BW			BIT(7)
+#define MT_RXWI_RATE_SGI		BIT(8)
+#define MT_RXWI_RATE_STBC		GENMASK(10, 9)
+#define MT_RXWI_RATE_ETXBF		BIT(11)
+#define MT_RXWI_RATE_SND		BIT(12)
+#define MT_RXWI_RATE_ITXBF		BIT(13)
+#define MT_RXWI_RATE_PHY		GENMASK(15, 14)
+
+#define MT_RXWI_GAIN_RSSI_VAL		GENMASK(5, 0)
+#define MT_RXWI_GAIN_RSSI_LNA_ID	GENMASK(7, 6)
+#define MT_RXWI_ANT_AUX_LNA		BIT(7)
+
+#define MT_RXWI_EANT_ENC_ANT_ID		GENMASK(7, 0)
+
+enum mt76_phy_type {
+	MT_PHY_TYPE_CCK,
+	MT_PHY_TYPE_OFDM,
+	MT_PHY_TYPE_HT,
+	MT_PHY_TYPE_HT_GF,
+};
+
+enum mt76_phy_bandwidth {
+	MT_PHY_BW_20,
+	MT_PHY_BW_40,
+};
+
+struct mt76_txwi {
+	__le16 flags;
+	__le16 rate_ctl;
+
+	u8 ack_ctl;
+	u8 wcid;
+	__le16 len_ctl;
+
+	__le32 iv;
+
+	__le32 eiv;
+
+	u8 aid;
+	u8 txstream;
+	__le16 ctl;
+} __packed __aligned(4);
+
+#define MT_TXWI_FLAGS_FRAG		BIT(0)
+#define MT_TXWI_FLAGS_MMPS		BIT(1)
+#define MT_TXWI_FLAGS_CFACK		BIT(2)
+#define MT_TXWI_FLAGS_TS		BIT(3)
+#define MT_TXWI_FLAGS_AMPDU		BIT(4)
+#define MT_TXWI_FLAGS_MPDU_DENSITY	GENMASK(7, 5)
+#define MT_TXWI_FLAGS_TXOP		GENMASK(9, 8)
+#define MT_TXWI_FLAGS_CWMIN		GENMASK(12, 10)
+#define MT_TXWI_FLAGS_NO_RATE_FALLBACK	BIT(13)
+#define MT_TXWI_FLAGS_TX_RPT		BIT(14)
+#define MT_TXWI_FLAGS_TX_RATE_LUT	BIT(15)
+
+#define MT_TXWI_RATE_MCS		GENMASK(6, 0)
+#define MT_TXWI_RATE_BW			BIT(7)
+#define MT_TXWI_RATE_SGI		BIT(8)
+#define MT_TXWI_RATE_STBC		GENMASK(10, 9)
+#define MT_TXWI_RATE_PHY_MODE		GENMASK(15, 14)
+
+#define MT_TXWI_ACK_CTL_REQ		BIT(0)
+#define MT_TXWI_ACK_CTL_NSEQ		BIT(1)
+#define MT_TXWI_ACK_CTL_BA_WINDOW	GENMASK(7, 2)
+
+#define MT_TXWI_LEN_BYTE_CNT		GENMASK(11, 0)
+#define MT_TXWI_LEN_PKTID		GENMASK(15, 12)
+
+#define MT_TXWI_CTL_TX_POWER_ADJ	GENMASK(3, 0)
+#define MT_TXWI_CTL_CHAN_CHECK_PKT	BIT(4)
+#define MT_TXWI_CTL_PIFS_REV		BIT(6)
+
+u32 mt76_mac_process_rx(struct mt7601u_dev *dev, struct sk_buff *skb,
+			u8 *data, void *rxi);
+int mt76_mac_wcid_set_key(struct mt7601u_dev *dev, u8 idx,
+			  struct ieee80211_key_conf *key);
+void mt76_mac_wcid_set_rate(struct mt7601u_dev *dev, struct mt76_wcid *wcid,
+			    const struct ieee80211_tx_rate *rate);
+
+int mt76_mac_shared_key_setup(struct mt7601u_dev *dev, u8 vif_idx, u8 key_idx,
+			      struct ieee80211_key_conf *key);
+u16 mt76_mac_tx_rate_val(struct mt7601u_dev *dev,
+			 const struct ieee80211_tx_rate *rate, u8 *nss_val);
+struct mt76_tx_status
+mt7601u_mac_fetch_tx_status(struct mt7601u_dev *dev);
+void mt76_send_tx_status(struct mt7601u_dev *dev, struct mt76_tx_status *stat);
+void mt7601u_set_macaddr(struct mt7601u_dev *dev, const u8 *addr);
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt7601u/main.c b/drivers/net/wireless/mediatek/mt7601u/main.c
new file mode 100644
index 000000000..671d8897a
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/main.c
@@ -0,0 +1,426 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#include "mt7601u.h"
+#include "mac.h"
+#include <linux/etherdevice.h>
+
+static int mt7601u_start(struct ieee80211_hw *hw)
+{
+	struct mt7601u_dev *dev = hw->priv;
+	int ret;
+
+	mutex_lock(&dev->mutex);
+
+	ret = mt7601u_mac_start(dev);
+	if (ret)
+		goto out;
+
+	ieee80211_queue_delayed_work(dev->hw, &dev->mac_work,
+				     MT_CALIBRATE_INTERVAL);
+	ieee80211_queue_delayed_work(dev->hw, &dev->cal_work,
+				     MT_CALIBRATE_INTERVAL);
+out:
+	mutex_unlock(&dev->mutex);
+	return ret;
+}
+
+static void mt7601u_stop(struct ieee80211_hw *hw)
+{
+	struct mt7601u_dev *dev = hw->priv;
+
+	mutex_lock(&dev->mutex);
+
+	cancel_delayed_work_sync(&dev->cal_work);
+	cancel_delayed_work_sync(&dev->mac_work);
+	mt7601u_mac_stop(dev);
+
+	mutex_unlock(&dev->mutex);
+}
+
+static int mt7601u_add_interface(struct ieee80211_hw *hw,
+				 struct ieee80211_vif *vif)
+{
+	struct mt7601u_dev *dev = hw->priv;
+	struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv;
+	unsigned int idx = 0;
+	unsigned int wcid = GROUP_WCID(idx);
+
+	/* Note: for AP do the AP-STA things mt76 does:
+	 *	- beacon offsets
+	 *	- do mac address tricks
+	 *	- shift vif idx
+	 */
+	mvif->idx = idx;
+
+	if (!ether_addr_equal(dev->macaddr, vif->addr))
+		mt7601u_set_macaddr(dev, vif->addr);
+
+	if (dev->wcid_mask[wcid / BITS_PER_LONG] & BIT(wcid % BITS_PER_LONG))
+		return -ENOSPC;
+	dev->wcid_mask[wcid / BITS_PER_LONG] |= BIT(wcid % BITS_PER_LONG);
+	mvif->group_wcid.idx = wcid;
+	mvif->group_wcid.hw_key_idx = -1;
+
+	return 0;
+}
+
+static void mt7601u_remove_interface(struct ieee80211_hw *hw,
+				     struct ieee80211_vif *vif)
+{
+	struct mt7601u_dev *dev = hw->priv;
+	struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv;
+	unsigned int wcid = mvif->group_wcid.idx;
+
+	dev->wcid_mask[wcid / BITS_PER_LONG] &= ~BIT(wcid % BITS_PER_LONG);
+}
+
+static int mt7601u_config(struct ieee80211_hw *hw, u32 changed)
+{
+	struct mt7601u_dev *dev = hw->priv;
+	int ret = 0;
+
+	mutex_lock(&dev->mutex);
+
+	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+		ieee80211_stop_queues(hw);
+		ret = mt7601u_phy_set_channel(dev, &hw->conf.chandef);
+		ieee80211_wake_queues(hw);
+	}
+
+	mutex_unlock(&dev->mutex);
+
+	return ret;
+}
+
+static void
+mt76_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags,
+		      unsigned int *total_flags, u64 multicast)
+{
+	struct mt7601u_dev *dev = hw->priv;
+	u32 flags = 0;
+
+#define MT76_FILTER(_flag, _hw) do { \
+		flags |= *total_flags & FIF_##_flag;			\
+		dev->rxfilter &= ~(_hw);				\
+		dev->rxfilter |= !(flags & FIF_##_flag) * (_hw);	\
+	} while (0)
+
+	mutex_lock(&dev->mutex);
+
+	dev->rxfilter &= ~MT_RX_FILTR_CFG_OTHER_BSS;
+
+	MT76_FILTER(OTHER_BSS, MT_RX_FILTR_CFG_PROMISC);
+	MT76_FILTER(FCSFAIL, MT_RX_FILTR_CFG_CRC_ERR);
+	MT76_FILTER(PLCPFAIL, MT_RX_FILTR_CFG_PHY_ERR);
+	MT76_FILTER(CONTROL, MT_RX_FILTR_CFG_ACK |
+			     MT_RX_FILTR_CFG_CTS |
+			     MT_RX_FILTR_CFG_CFEND |
+			     MT_RX_FILTR_CFG_CFACK |
+			     MT_RX_FILTR_CFG_BA |
+			     MT_RX_FILTR_CFG_CTRL_RSV);
+	MT76_FILTER(PSPOLL, MT_RX_FILTR_CFG_PSPOLL);
+
+	*total_flags = flags;
+	mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter);
+
+	mutex_unlock(&dev->mutex);
+}
+
+static void
+mt7601u_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			 struct ieee80211_bss_conf *info, u32 changed)
+{
+	struct mt7601u_dev *dev = hw->priv;
+
+	mutex_lock(&dev->mutex);
+
+	if (changed & BSS_CHANGED_ASSOC)
+		mt7601u_phy_con_cal_onoff(dev, info);
+
+	if (changed & BSS_CHANGED_BSSID) {
+		mt7601u_addr_wr(dev, MT_MAC_BSSID_DW0, info->bssid);
+
+		/* Note: this is a hack because beacon_int is not changed
+		 *	 on leave nor is any more appropriate event generated.
+		 *	 rt2x00 doesn't seem to be bothered though.
+		 */
+		if (is_zero_ether_addr(info->bssid))
+			mt7601u_mac_config_tsf(dev, false, 0);
+	}
+
+	if (changed & BSS_CHANGED_BASIC_RATES) {
+		mt7601u_wr(dev, MT_LEGACY_BASIC_RATE, info->basic_rates);
+		mt7601u_wr(dev, MT_HT_FBK_CFG0, 0x65432100);
+		mt7601u_wr(dev, MT_HT_FBK_CFG1, 0xedcba980);
+		mt7601u_wr(dev, MT_LG_FBK_CFG0, 0xedcba988);
+		mt7601u_wr(dev, MT_LG_FBK_CFG1, 0x00002100);
+	}
+
+	if (changed & BSS_CHANGED_BEACON_INT)
+		mt7601u_mac_config_tsf(dev, true, info->beacon_int);
+
+	if (changed & BSS_CHANGED_HT || changed & BSS_CHANGED_ERP_CTS_PROT)
+		mt7601u_mac_set_protection(dev, info->use_cts_prot,
+					   info->ht_operation_mode);
+
+	if (changed & BSS_CHANGED_ERP_PREAMBLE)
+		mt7601u_mac_set_short_preamble(dev, info->use_short_preamble);
+
+	if (changed & BSS_CHANGED_ERP_SLOT) {
+		int slottime = info->use_short_slot ? 9 : 20;
+
+		mt76_rmw_field(dev, MT_BKOFF_SLOT_CFG,
+			       MT_BKOFF_SLOT_CFG_SLOTTIME, slottime);
+	}
+
+	if (changed & BSS_CHANGED_ASSOC)
+		mt7601u_phy_recalibrate_after_assoc(dev);
+
+	mutex_unlock(&dev->mutex);
+}
+
+static int
+mt76_wcid_alloc(struct mt7601u_dev *dev)
+{
+	int i, idx = 0;
+
+	for (i = 0; i < ARRAY_SIZE(dev->wcid_mask); i++) {
+		idx = ffs(~dev->wcid_mask[i]);
+		if (!idx)
+			continue;
+
+		idx--;
+		dev->wcid_mask[i] |= BIT(idx);
+		break;
+	}
+
+	idx = i * BITS_PER_LONG + idx;
+	if (idx > 119)
+		return -1;
+
+	return idx;
+}
+
+static int
+mt7601u_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		struct ieee80211_sta *sta)
+{
+	struct mt7601u_dev *dev = hw->priv;
+	struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv;
+	struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv;
+	int ret = 0;
+	int idx = 0;
+
+	mutex_lock(&dev->mutex);
+
+	idx = mt76_wcid_alloc(dev);
+	if (idx < 0) {
+		ret = -ENOSPC;
+		goto out;
+	}
+
+	msta->wcid.idx = idx;
+	msta->wcid.hw_key_idx = -1;
+	mt7601u_mac_wcid_setup(dev, idx, mvif->idx, sta->addr);
+	mt76_clear(dev, MT_WCID_DROP(idx), MT_WCID_DROP_MASK(idx));
+	rcu_assign_pointer(dev->wcid[idx], &msta->wcid);
+	mt7601u_mac_set_ampdu_factor(dev);
+
+out:
+	mutex_unlock(&dev->mutex);
+
+	return ret;
+}
+
+static int
+mt7601u_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		   struct ieee80211_sta *sta)
+{
+	struct mt7601u_dev *dev = hw->priv;
+	struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv;
+	int idx = msta->wcid.idx;
+
+	mutex_lock(&dev->mutex);
+	rcu_assign_pointer(dev->wcid[idx], NULL);
+	mt76_set(dev, MT_WCID_DROP(idx), MT_WCID_DROP_MASK(idx));
+	dev->wcid_mask[idx / BITS_PER_LONG] &= ~BIT(idx % BITS_PER_LONG);
+	mt7601u_mac_wcid_setup(dev, idx, 0, NULL);
+	mt7601u_mac_set_ampdu_factor(dev);
+	mutex_unlock(&dev->mutex);
+
+	return 0;
+}
+
+static void
+mt7601u_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		   enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
+{
+}
+
+static void
+mt7601u_sw_scan(struct ieee80211_hw *hw,
+		struct ieee80211_vif *vif,
+		const u8 *mac_addr)
+{
+	struct mt7601u_dev *dev = hw->priv;
+
+	mt7601u_agc_save(dev);
+	set_bit(MT7601U_STATE_SCANNING, &dev->state);
+}
+
+static void
+mt7601u_sw_scan_complete(struct ieee80211_hw *hw,
+			 struct ieee80211_vif *vif)
+{
+	struct mt7601u_dev *dev = hw->priv;
+
+	mt7601u_agc_restore(dev);
+	clear_bit(MT7601U_STATE_SCANNING, &dev->state);
+
+	ieee80211_queue_delayed_work(dev->hw, &dev->cal_work,
+				     MT_CALIBRATE_INTERVAL);
+	if (dev->freq_cal.enabled)
+		ieee80211_queue_delayed_work(dev->hw, &dev->freq_cal.work,
+					     MT_FREQ_CAL_INIT_DELAY);
+}
+
+static int
+mt7601u_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+		struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+		struct ieee80211_key_conf *key)
+{
+	struct mt7601u_dev *dev = hw->priv;
+	struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv;
+	struct mt76_sta *msta = sta ? (struct mt76_sta *) sta->drv_priv : NULL;
+	struct mt76_wcid *wcid = msta ? &msta->wcid : &mvif->group_wcid;
+	int idx = key->keyidx;
+	int ret;
+
+	/* fall back to sw encryption for unsupported ciphers */
+	switch (key->cipher) {
+	case WLAN_CIPHER_SUITE_WEP40:
+	case WLAN_CIPHER_SUITE_WEP104:
+	case WLAN_CIPHER_SUITE_TKIP:
+	case WLAN_CIPHER_SUITE_CCMP:
+		break;
+	default:
+		return -EOPNOTSUPP;
+	}
+
+	if (cmd == SET_KEY) {
+		key->hw_key_idx = wcid->idx;
+		wcid->hw_key_idx = idx;
+	} else {
+		if (idx == wcid->hw_key_idx)
+			wcid->hw_key_idx = -1;
+
+		key = NULL;
+	}
+
+	if (!msta) {
+		if (key || wcid->hw_key_idx == idx) {
+			ret = mt76_mac_wcid_set_key(dev, wcid->idx, key);
+			if (ret)
+				return ret;
+		}
+
+		return mt76_mac_shared_key_setup(dev, mvif->idx, idx, key);
+	}
+
+	return mt76_mac_wcid_set_key(dev, msta->wcid.idx, key);
+}
+
+static int mt7601u_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+{
+	struct mt7601u_dev *dev = hw->priv;
+
+	mt76_rmw_field(dev, MT_TX_RTS_CFG, MT_TX_RTS_CFG_THRESH, value);
+
+	return 0;
+}
+
+static int
+mt76_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		  struct ieee80211_ampdu_params *params)
+{
+	struct mt7601u_dev *dev = hw->priv;
+	struct ieee80211_sta *sta = params->sta;
+	enum ieee80211_ampdu_mlme_action action = params->action;
+	u16 tid = params->tid;
+	u16 ssn = params->ssn;
+	struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv;
+
+	WARN_ON(msta->wcid.idx > GROUP_WCID(0));
+
+	switch (action) {
+	case IEEE80211_AMPDU_RX_START:
+		mt76_set(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, BIT(16 + tid));
+		break;
+	case IEEE80211_AMPDU_RX_STOP:
+		mt76_clear(dev, MT_WCID_ADDR(msta->wcid.idx) + 4,
+			   BIT(16 + tid));
+		break;
+	case IEEE80211_AMPDU_TX_OPERATIONAL:
+		ieee80211_send_bar(vif, sta->addr, tid, msta->agg_ssn[tid]);
+		break;
+	case IEEE80211_AMPDU_TX_STOP_FLUSH:
+	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
+		break;
+	case IEEE80211_AMPDU_TX_START:
+		msta->agg_ssn[tid] = ssn << 4;
+		return IEEE80211_AMPDU_TX_START_IMMEDIATE;
+	case IEEE80211_AMPDU_TX_STOP_CONT:
+		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+		break;
+	}
+
+	return 0;
+}
+
+static void
+mt76_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			 struct ieee80211_sta *sta)
+{
+	struct mt7601u_dev *dev = hw->priv;
+	struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv;
+	struct ieee80211_sta_rates *rates;
+	struct ieee80211_tx_rate rate = {};
+
+	rcu_read_lock();
+	rates = rcu_dereference(sta->rates);
+
+	if (!rates)
+		goto out;
+
+	rate.idx = rates->rate[0].idx;
+	rate.flags = rates->rate[0].flags;
+	mt76_mac_wcid_set_rate(dev, &msta->wcid, &rate);
+
+out:
+	rcu_read_unlock();
+}
+
+const struct ieee80211_ops mt7601u_ops = {
+	.tx = mt7601u_tx,
+	.start = mt7601u_start,
+	.stop = mt7601u_stop,
+	.add_interface = mt7601u_add_interface,
+	.remove_interface = mt7601u_remove_interface,
+	.config = mt7601u_config,
+	.configure_filter = mt76_configure_filter,
+	.bss_info_changed = mt7601u_bss_info_changed,
+	.sta_add = mt7601u_sta_add,
+	.sta_remove = mt7601u_sta_remove,
+	.sta_notify = mt7601u_sta_notify,
+	.set_key = mt7601u_set_key,
+	.conf_tx = mt7601u_conf_tx,
+	.sw_scan_start = mt7601u_sw_scan,
+	.sw_scan_complete = mt7601u_sw_scan_complete,
+	.ampdu_action = mt76_ampdu_action,
+	.sta_rate_tbl_update = mt76_sta_rate_tbl_update,
+	.set_rts_threshold = mt7601u_set_rts_threshold,
+};
diff --git a/drivers/net/wireless/mediatek/mt7601u/mcu.c b/drivers/net/wireless/mediatek/mt7601u/mcu.c
new file mode 100644
index 000000000..1b5cc271a
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/mcu.c
@@ -0,0 +1,535 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * (c) Copyright 2002-2010, Ralink Technology, Inc.
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#include <linux/kernel.h>
+#include <linux/firmware.h>
+#include <linux/delay.h>
+#include <linux/usb.h>
+#include <linux/skbuff.h>
+
+#include "mt7601u.h"
+#include "dma.h"
+#include "mcu.h"
+#include "usb.h"
+#include "trace.h"
+
+#define MCU_FW_URB_MAX_PAYLOAD		0x3800
+#define MCU_FW_URB_SIZE			(MCU_FW_URB_MAX_PAYLOAD + 12)
+#define MCU_RESP_URB_SIZE		1024
+
+static inline int firmware_running(struct mt7601u_dev *dev)
+{
+	return mt7601u_rr(dev, MT_MCU_COM_REG0) == 1;
+}
+
+static inline void skb_put_le32(struct sk_buff *skb, u32 val)
+{
+	put_unaligned_le32(val, skb_put(skb, 4));
+}
+
+static inline void mt7601u_dma_skb_wrap_cmd(struct sk_buff *skb,
+					    u8 seq, enum mcu_cmd cmd)
+{
+	WARN_ON(mt7601u_dma_skb_wrap(skb, CPU_TX_PORT, DMA_COMMAND,
+				     FIELD_PREP(MT_TXD_CMD_INFO_SEQ, seq) |
+				     FIELD_PREP(MT_TXD_CMD_INFO_TYPE, cmd)));
+}
+
+static inline void trace_mt_mcu_msg_send_cs(struct mt7601u_dev *dev,
+					    struct sk_buff *skb, bool need_resp)
+{
+	u32 i, csum = 0;
+
+	for (i = 0; i < skb->len / 4; i++)
+		csum ^= get_unaligned_le32(skb->data + i * 4);
+
+	trace_mt_mcu_msg_send(dev, skb, csum, need_resp);
+}
+
+static struct sk_buff *mt7601u_mcu_msg_alloc(const void *data, int len)
+{
+	struct sk_buff *skb;
+
+	WARN_ON(len % 4); /* if length is not divisible by 4 we need to pad */
+
+	skb = alloc_skb(len + MT_DMA_HDR_LEN + 4, GFP_KERNEL);
+	if (skb) {
+		skb_reserve(skb, MT_DMA_HDR_LEN);
+		skb_put_data(skb, data, len);
+	}
+
+	return skb;
+}
+
+static int mt7601u_mcu_wait_resp(struct mt7601u_dev *dev, u8 seq)
+{
+	struct urb *urb = dev->mcu.resp.urb;
+	u32 rxfce;
+	int urb_status, ret, i = 5;
+
+	while (i--) {
+		if (!wait_for_completion_timeout(&dev->mcu.resp_cmpl,
+						 msecs_to_jiffies(300))) {
+			dev_warn(dev->dev, "Warning: %s retrying\n", __func__);
+			continue;
+		}
+
+		/* Make copies of important data before reusing the urb */
+		rxfce = get_unaligned_le32(dev->mcu.resp.buf);
+		urb_status = urb->status * mt7601u_urb_has_error(urb);
+
+		ret = mt7601u_usb_submit_buf(dev, USB_DIR_IN, MT_EP_IN_CMD_RESP,
+					     &dev->mcu.resp, GFP_KERNEL,
+					     mt7601u_complete_urb,
+					     &dev->mcu.resp_cmpl);
+		if (ret)
+			return ret;
+
+		if (urb_status)
+			dev_err(dev->dev, "Error: MCU resp urb failed:%d\n",
+				urb_status);
+
+		if (FIELD_GET(MT_RXD_CMD_INFO_CMD_SEQ, rxfce) == seq &&
+		    FIELD_GET(MT_RXD_CMD_INFO_EVT_TYPE, rxfce) == CMD_DONE)
+			return 0;
+
+		dev_err(dev->dev, "Error: MCU resp evt:%lx seq:%hhx-%lx!\n",
+			FIELD_GET(MT_RXD_CMD_INFO_EVT_TYPE, rxfce),
+			seq, FIELD_GET(MT_RXD_CMD_INFO_CMD_SEQ, rxfce));
+	}
+
+	dev_err(dev->dev, "Error: %s timed out\n", __func__);
+	return -ETIMEDOUT;
+}
+
+static int
+mt7601u_mcu_msg_send(struct mt7601u_dev *dev, struct sk_buff *skb,
+		     enum mcu_cmd cmd, bool wait_resp)
+{
+	struct usb_device *usb_dev = mt7601u_to_usb_dev(dev);
+	unsigned cmd_pipe = usb_sndbulkpipe(usb_dev,
+					    dev->out_eps[MT_EP_OUT_INBAND_CMD]);
+	int sent, ret;
+	u8 seq = 0;
+
+	if (test_bit(MT7601U_STATE_REMOVED, &dev->state)) {
+		consume_skb(skb);
+		return 0;
+	}
+
+	mutex_lock(&dev->mcu.mutex);
+
+	if (wait_resp)
+		while (!seq)
+			seq = ++dev->mcu.msg_seq & 0xf;
+
+	mt7601u_dma_skb_wrap_cmd(skb, seq, cmd);
+
+	if (dev->mcu.resp_cmpl.done)
+		dev_err(dev->dev, "Error: MCU response pre-completed!\n");
+
+	trace_mt_mcu_msg_send_cs(dev, skb, wait_resp);
+	trace_mt_submit_urb_sync(dev, cmd_pipe, skb->len);
+	ret = usb_bulk_msg(usb_dev, cmd_pipe, skb->data, skb->len, &sent, 500);
+	if (ret) {
+		dev_err(dev->dev, "Error: send MCU cmd failed:%d\n", ret);
+		goto out;
+	}
+	if (sent != skb->len)
+		dev_err(dev->dev, "Error: %s sent != skb->len\n", __func__);
+
+	if (wait_resp)
+		ret = mt7601u_mcu_wait_resp(dev, seq);
+out:
+	mutex_unlock(&dev->mcu.mutex);
+
+	consume_skb(skb);
+
+	return ret;
+}
+
+static int mt7601u_mcu_function_select(struct mt7601u_dev *dev,
+				       enum mcu_function func, u32 val)
+{
+	struct sk_buff *skb;
+	struct {
+		__le32 id;
+		__le32 value;
+	} __packed __aligned(4) msg = {
+		.id = cpu_to_le32(func),
+		.value = cpu_to_le32(val),
+	};
+
+	skb = mt7601u_mcu_msg_alloc(&msg, sizeof(msg));
+	if (!skb)
+		return -ENOMEM;
+	return mt7601u_mcu_msg_send(dev, skb, CMD_FUN_SET_OP, func == 5);
+}
+
+int mt7601u_mcu_tssi_read_kick(struct mt7601u_dev *dev, int use_hvga)
+{
+	int ret;
+
+	if (!test_bit(MT7601U_STATE_MCU_RUNNING, &dev->state))
+		return 0;
+
+	ret = mt7601u_mcu_function_select(dev, ATOMIC_TSSI_SETTING,
+					  use_hvga);
+	if (ret) {
+		dev_warn(dev->dev, "Warning: MCU TSSI read kick failed\n");
+		return ret;
+	}
+
+	dev->tssi_read_trig = true;
+
+	return 0;
+}
+
+int
+mt7601u_mcu_calibrate(struct mt7601u_dev *dev, enum mcu_calibrate cal, u32 val)
+{
+	struct sk_buff *skb;
+	struct {
+		__le32 id;
+		__le32 value;
+	} __packed __aligned(4) msg = {
+		.id = cpu_to_le32(cal),
+		.value = cpu_to_le32(val),
+	};
+
+	skb = mt7601u_mcu_msg_alloc(&msg, sizeof(msg));
+	if (!skb)
+		return -ENOMEM;
+	return mt7601u_mcu_msg_send(dev, skb, CMD_CALIBRATION_OP, true);
+}
+
+int mt7601u_write_reg_pairs(struct mt7601u_dev *dev, u32 base,
+			    const struct mt76_reg_pair *data, int n)
+{
+	const int max_vals_per_cmd = INBAND_PACKET_MAX_LEN / 8;
+	struct sk_buff *skb;
+	int cnt, i, ret;
+
+	if (!n)
+		return 0;
+
+	cnt = min(max_vals_per_cmd, n);
+
+	skb = alloc_skb(cnt * 8 + MT_DMA_HDR_LEN + 4, GFP_KERNEL);
+	if (!skb)
+		return -ENOMEM;
+	skb_reserve(skb, MT_DMA_HDR_LEN);
+
+	for (i = 0; i < cnt; i++) {
+		skb_put_le32(skb, base + data[i].reg);
+		skb_put_le32(skb, data[i].value);
+	}
+
+	ret = mt7601u_mcu_msg_send(dev, skb, CMD_RANDOM_WRITE, cnt == n);
+	if (ret)
+		return ret;
+
+	return mt7601u_write_reg_pairs(dev, base, data + cnt, n - cnt);
+}
+
+int mt7601u_burst_write_regs(struct mt7601u_dev *dev, u32 offset,
+			     const u32 *data, int n)
+{
+	const int max_regs_per_cmd = INBAND_PACKET_MAX_LEN / 4 - 1;
+	struct sk_buff *skb;
+	int cnt, i, ret;
+
+	if (!n)
+		return 0;
+
+	cnt = min(max_regs_per_cmd, n);
+
+	skb = alloc_skb(cnt * 4 + MT_DMA_HDR_LEN + 4, GFP_KERNEL);
+	if (!skb)
+		return -ENOMEM;
+	skb_reserve(skb, MT_DMA_HDR_LEN);
+
+	skb_put_le32(skb, MT_MCU_MEMMAP_WLAN + offset);
+	for (i = 0; i < cnt; i++)
+		skb_put_le32(skb, data[i]);
+
+	ret = mt7601u_mcu_msg_send(dev, skb, CMD_BURST_WRITE, cnt == n);
+	if (ret)
+		return ret;
+
+	return mt7601u_burst_write_regs(dev, offset + cnt * 4,
+					data + cnt, n - cnt);
+}
+
+struct mt76_fw_header {
+	__le32 ilm_len;
+	__le32 dlm_len;
+	__le16 build_ver;
+	__le16 fw_ver;
+	u8 pad[4];
+	char build_time[16];
+};
+
+struct mt76_fw {
+	struct mt76_fw_header hdr;
+	u8 ivb[MT_MCU_IVB_SIZE];
+	u8 ilm[];
+};
+
+static int __mt7601u_dma_fw(struct mt7601u_dev *dev,
+			    const struct mt7601u_dma_buf *dma_buf,
+			    const void *data, u32 len, u32 dst_addr)
+{
+	DECLARE_COMPLETION_ONSTACK(cmpl);
+	struct mt7601u_dma_buf buf = *dma_buf; /* we need to fake length */
+	__le32 reg;
+	u32 val;
+	int ret;
+
+	reg = cpu_to_le32(FIELD_PREP(MT_TXD_INFO_TYPE, DMA_PACKET) |
+			  FIELD_PREP(MT_TXD_INFO_D_PORT, CPU_TX_PORT) |
+			  FIELD_PREP(MT_TXD_INFO_LEN, len));
+	memcpy(buf.buf, &reg, sizeof(reg));
+	memcpy(buf.buf + sizeof(reg), data, len);
+	memset(buf.buf + sizeof(reg) + len, 0, 8);
+
+	ret = mt7601u_vendor_single_wr(dev, MT_VEND_WRITE_FCE,
+				       MT_FCE_DMA_ADDR, dst_addr);
+	if (ret)
+		return ret;
+	len = roundup(len, 4);
+	ret = mt7601u_vendor_single_wr(dev, MT_VEND_WRITE_FCE,
+				       MT_FCE_DMA_LEN, len << 16);
+	if (ret)
+		return ret;
+
+	buf.len = MT_DMA_HDR_LEN + len + 4;
+	ret = mt7601u_usb_submit_buf(dev, USB_DIR_OUT, MT_EP_OUT_INBAND_CMD,
+				     &buf, GFP_KERNEL,
+				     mt7601u_complete_urb, &cmpl);
+	if (ret)
+		return ret;
+
+	if (!wait_for_completion_timeout(&cmpl, msecs_to_jiffies(1000))) {
+		dev_err(dev->dev, "Error: firmware upload timed out\n");
+		usb_kill_urb(buf.urb);
+		return -ETIMEDOUT;
+	}
+	if (mt7601u_urb_has_error(buf.urb)) {
+		dev_err(dev->dev, "Error: firmware upload urb failed:%d\n",
+			buf.urb->status);
+		return buf.urb->status;
+	}
+
+	val = mt7601u_rr(dev, MT_TX_CPU_FROM_FCE_CPU_DESC_IDX);
+	val++;
+	mt7601u_wr(dev, MT_TX_CPU_FROM_FCE_CPU_DESC_IDX, val);
+
+	return 0;
+}
+
+static int
+mt7601u_dma_fw(struct mt7601u_dev *dev, struct mt7601u_dma_buf *dma_buf,
+	       const void *data, int len, u32 dst_addr)
+{
+	int n, ret;
+
+	if (len == 0)
+		return 0;
+
+	n = min(MCU_FW_URB_MAX_PAYLOAD, len);
+	ret = __mt7601u_dma_fw(dev, dma_buf, data, n, dst_addr);
+	if (ret)
+		return ret;
+
+	if (!mt76_poll_msec(dev, MT_MCU_COM_REG1, BIT(31), BIT(31), 500))
+		return -ETIMEDOUT;
+
+	return mt7601u_dma_fw(dev, dma_buf, data + n, len - n, dst_addr + n);
+}
+
+static int
+mt7601u_upload_firmware(struct mt7601u_dev *dev, const struct mt76_fw *fw)
+{
+	struct mt7601u_dma_buf dma_buf;
+	void *ivb;
+	u32 ilm_len, dlm_len;
+	int i, ret;
+
+	ivb = kmemdup(fw->ivb, sizeof(fw->ivb), GFP_KERNEL);
+	if (!ivb)
+		return -ENOMEM;
+	if (mt7601u_usb_alloc_buf(dev, MCU_FW_URB_SIZE, &dma_buf)) {
+		ret = -ENOMEM;
+		goto error;
+	}
+
+	ilm_len = le32_to_cpu(fw->hdr.ilm_len) - sizeof(fw->ivb);
+	dev_dbg(dev->dev, "loading FW - ILM %u + IVB %zu\n",
+		ilm_len, sizeof(fw->ivb));
+	ret = mt7601u_dma_fw(dev, &dma_buf, fw->ilm, ilm_len, sizeof(fw->ivb));
+	if (ret)
+		goto error;
+
+	dlm_len = le32_to_cpu(fw->hdr.dlm_len);
+	dev_dbg(dev->dev, "loading FW - DLM %u\n", dlm_len);
+	ret = mt7601u_dma_fw(dev, &dma_buf, fw->ilm + ilm_len,
+			     dlm_len, MT_MCU_DLM_OFFSET);
+	if (ret)
+		goto error;
+
+	ret = mt7601u_vendor_request(dev, MT_VEND_DEV_MODE, USB_DIR_OUT,
+				     0x12, 0, ivb, sizeof(fw->ivb));
+	if (ret < 0)
+		goto error;
+	ret = 0;
+
+	for (i = 100; i && !firmware_running(dev); i--)
+		msleep(10);
+	if (!i) {
+		ret = -ETIMEDOUT;
+		goto error;
+	}
+
+	dev_dbg(dev->dev, "Firmware running!\n");
+error:
+	kfree(ivb);
+	mt7601u_usb_free_buf(dev, &dma_buf);
+
+	return ret;
+}
+
+static int mt7601u_load_firmware(struct mt7601u_dev *dev)
+{
+	const struct firmware *fw;
+	const struct mt76_fw_header *hdr;
+	int len, ret;
+	u32 val;
+
+	mt7601u_wr(dev, MT_USB_DMA_CFG, (MT_USB_DMA_CFG_RX_BULK_EN |
+					 MT_USB_DMA_CFG_TX_BULK_EN));
+
+	if (firmware_running(dev))
+		return firmware_request_cache(dev->dev, MT7601U_FIRMWARE);
+
+	ret = request_firmware(&fw, MT7601U_FIRMWARE, dev->dev);
+	if (ret)
+		return ret;
+
+	if (!fw || !fw->data || fw->size < sizeof(*hdr))
+		goto err_inv_fw;
+
+	hdr = (const struct mt76_fw_header *) fw->data;
+
+	if (le32_to_cpu(hdr->ilm_len) <= MT_MCU_IVB_SIZE)
+		goto err_inv_fw;
+
+	len = sizeof(*hdr);
+	len += le32_to_cpu(hdr->ilm_len);
+	len += le32_to_cpu(hdr->dlm_len);
+
+	if (fw->size != len)
+		goto err_inv_fw;
+
+	val = le16_to_cpu(hdr->fw_ver);
+	dev_info(dev->dev,
+		 "Firmware Version: %d.%d.%02d Build: %x Build time: %.16s\n",
+		 (val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf,
+		 le16_to_cpu(hdr->build_ver), hdr->build_time);
+
+	len = le32_to_cpu(hdr->ilm_len);
+
+	mt7601u_wr(dev, 0x94c, 0);
+	mt7601u_wr(dev, MT_FCE_PSE_CTRL, 0);
+
+	mt7601u_vendor_reset(dev);
+	msleep(5);
+
+	mt7601u_wr(dev, 0xa44, 0);
+	mt7601u_wr(dev, 0x230, 0x84210);
+	mt7601u_wr(dev, 0x400, 0x80c00);
+	mt7601u_wr(dev, 0x800, 1);
+
+	mt7601u_rmw(dev, MT_PBF_CFG, 0, (MT_PBF_CFG_TX0Q_EN |
+					 MT_PBF_CFG_TX1Q_EN |
+					 MT_PBF_CFG_TX2Q_EN |
+					 MT_PBF_CFG_TX3Q_EN));
+
+	mt7601u_wr(dev, MT_FCE_PSE_CTRL, 1);
+
+	mt7601u_wr(dev, MT_USB_DMA_CFG, (MT_USB_DMA_CFG_RX_BULK_EN |
+					 MT_USB_DMA_CFG_TX_BULK_EN));
+	val = mt76_set(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_TX_CLR);
+	val &= ~MT_USB_DMA_CFG_TX_CLR;
+	mt7601u_wr(dev, MT_USB_DMA_CFG, val);
+
+	/* FCE tx_fs_base_ptr */
+	mt7601u_wr(dev, MT_TX_CPU_FROM_FCE_BASE_PTR, 0x400230);
+	/* FCE tx_fs_max_cnt */
+	mt7601u_wr(dev, MT_TX_CPU_FROM_FCE_MAX_COUNT, 1);
+	/* FCE pdma enable */
+	mt7601u_wr(dev, MT_FCE_PDMA_GLOBAL_CONF, 0x44);
+	/* FCE skip_fs_en */
+	mt7601u_wr(dev, MT_FCE_SKIP_FS, 3);
+
+	ret = mt7601u_upload_firmware(dev, (const struct mt76_fw *)fw->data);
+
+	release_firmware(fw);
+
+	return ret;
+
+err_inv_fw:
+	dev_err(dev->dev, "Invalid firmware image\n");
+	release_firmware(fw);
+	return -ENOENT;
+}
+
+int mt7601u_mcu_init(struct mt7601u_dev *dev)
+{
+	int ret;
+
+	mutex_init(&dev->mcu.mutex);
+
+	ret = mt7601u_load_firmware(dev);
+	if (ret)
+		return ret;
+
+	set_bit(MT7601U_STATE_MCU_RUNNING, &dev->state);
+
+	return 0;
+}
+
+int mt7601u_mcu_cmd_init(struct mt7601u_dev *dev)
+{
+	int ret;
+
+	ret = mt7601u_mcu_function_select(dev, Q_SELECT, 1);
+	if (ret)
+		return ret;
+
+	init_completion(&dev->mcu.resp_cmpl);
+	if (mt7601u_usb_alloc_buf(dev, MCU_RESP_URB_SIZE, &dev->mcu.resp)) {
+		mt7601u_usb_free_buf(dev, &dev->mcu.resp);
+		return -ENOMEM;
+	}
+
+	ret = mt7601u_usb_submit_buf(dev, USB_DIR_IN, MT_EP_IN_CMD_RESP,
+				     &dev->mcu.resp, GFP_KERNEL,
+				     mt7601u_complete_urb, &dev->mcu.resp_cmpl);
+	if (ret) {
+		mt7601u_usb_free_buf(dev, &dev->mcu.resp);
+		return ret;
+	}
+
+	return 0;
+}
+
+void mt7601u_mcu_cmd_deinit(struct mt7601u_dev *dev)
+{
+	usb_kill_urb(dev->mcu.resp.urb);
+	mt7601u_usb_free_buf(dev, &dev->mcu.resp);
+}
diff --git a/drivers/net/wireless/mediatek/mt7601u/mcu.h b/drivers/net/wireless/mediatek/mt7601u/mcu.h
new file mode 100644
index 000000000..56cdd31aa
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/mcu.h
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#ifndef __MT7601U_MCU_H
+#define __MT7601U_MCU_H
+
+struct mt7601u_dev;
+
+/* Register definitions */
+#define MT_MCU_RESET_CTL		0x070C
+#define MT_MCU_INT_LEVEL		0x0718
+#define MT_MCU_COM_REG0			0x0730
+#define MT_MCU_COM_REG1			0x0734
+#define MT_MCU_COM_REG2			0x0738
+#define MT_MCU_COM_REG3			0x073C
+
+#define MT_MCU_IVB_SIZE			0x40
+#define MT_MCU_DLM_OFFSET		0x80000
+
+#define MT_MCU_MEMMAP_WLAN		0x00410000
+#define MT_MCU_MEMMAP_BBP		0x40000000
+#define MT_MCU_MEMMAP_RF		0x80000000
+
+#define INBAND_PACKET_MAX_LEN		192
+
+enum mcu_cmd {
+	CMD_FUN_SET_OP = 1,
+	CMD_LOAD_CR = 2,
+	CMD_INIT_GAIN_OP = 3,
+	CMD_DYNC_VGA_OP = 6,
+	CMD_TDLS_CH_SW = 7,
+	CMD_BURST_WRITE = 8,
+	CMD_READ_MODIFY_WRITE = 9,
+	CMD_RANDOM_READ = 10,
+	CMD_BURST_READ = 11,
+	CMD_RANDOM_WRITE = 12,
+	CMD_LED_MODE_OP = 16,
+	CMD_POWER_SAVING_OP = 20,
+	CMD_WOW_CONFIG = 21,
+	CMD_WOW_QUERY = 22,
+	CMD_WOW_FEATURE = 24,
+	CMD_CARRIER_DETECT_OP = 28,
+	CMD_RADOR_DETECT_OP = 29,
+	CMD_SWITCH_CHANNEL_OP = 30,
+	CMD_CALIBRATION_OP = 31,
+	CMD_BEACON_OP = 32,
+	CMD_ANTENNA_OP = 33,
+};
+
+enum mcu_function {
+	Q_SELECT = 1,
+	ATOMIC_TSSI_SETTING = 5,
+};
+
+enum mcu_power_mode {
+	RADIO_OFF = 0x30,
+	RADIO_ON = 0x31,
+	RADIO_OFF_AUTO_WAKEUP = 0x32,
+	RADIO_OFF_ADVANCE = 0x33,
+	RADIO_ON_ADVANCE = 0x34,
+};
+
+enum mcu_calibrate {
+	MCU_CAL_R = 1,
+	MCU_CAL_DCOC,
+	MCU_CAL_LC,
+	MCU_CAL_LOFT,
+	MCU_CAL_TXIQ,
+	MCU_CAL_BW,
+	MCU_CAL_DPD,
+	MCU_CAL_RXIQ,
+	MCU_CAL_TXDCOC,
+};
+
+int mt7601u_mcu_init(struct mt7601u_dev *dev);
+int mt7601u_mcu_cmd_init(struct mt7601u_dev *dev);
+void mt7601u_mcu_cmd_deinit(struct mt7601u_dev *dev);
+
+int
+mt7601u_mcu_calibrate(struct mt7601u_dev *dev, enum mcu_calibrate cal, u32 val);
+int mt7601u_mcu_tssi_read_kick(struct mt7601u_dev *dev, int use_hvga);
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt7601u/mt7601u.h b/drivers/net/wireless/mediatek/mt7601u/mt7601u.h
new file mode 100644
index 000000000..a122f1dd3
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/mt7601u.h
@@ -0,0 +1,392 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#ifndef MT7601U_H
+#define MT7601U_H
+
+#include <linux/bitfield.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/mutex.h>
+#include <linux/usb.h>
+#include <linux/completion.h>
+#include <net/mac80211.h>
+#include <linux/debugfs.h>
+#include <linux/average.h>
+
+#include "regs.h"
+
+#define MT_CALIBRATE_INTERVAL		(4 * HZ)
+
+#define MT_FREQ_CAL_INIT_DELAY		(30 * HZ)
+#define MT_FREQ_CAL_CHECK_INTERVAL	(10 * HZ)
+#define MT_FREQ_CAL_ADJ_INTERVAL	(HZ / 2)
+
+#define MT_BBP_REG_VERSION		0x00
+
+#define MT_USB_AGGR_SIZE_LIMIT		28 /* * 1024B */
+#define MT_USB_AGGR_TIMEOUT		0x80 /* * 33ns */
+#define MT_RX_ORDER			3
+#define MT_RX_URB_SIZE			(PAGE_SIZE << MT_RX_ORDER)
+
+struct mt7601u_dma_buf {
+	struct urb *urb;
+	void *buf;
+	dma_addr_t dma;
+	size_t len;
+};
+
+struct mt7601u_mcu {
+	struct mutex mutex;
+
+	u8 msg_seq;
+
+	struct mt7601u_dma_buf resp;
+	struct completion resp_cmpl;
+};
+
+struct mt7601u_freq_cal {
+	struct delayed_work work;
+	u8 freq;
+	bool enabled;
+	bool adjusting;
+};
+
+struct mac_stats {
+	u64 rx_stat[6];
+	u64 tx_stat[6];
+	u64 aggr_stat[2];
+	u64 aggr_n[32];
+	u64 zero_len_del[2];
+};
+
+#define N_RX_ENTRIES	16
+struct mt7601u_rx_queue {
+	struct mt7601u_dev *dev;
+
+	struct mt7601u_dma_buf_rx {
+		struct urb *urb;
+		struct page *p;
+	} e[N_RX_ENTRIES];
+
+	unsigned int start;
+	unsigned int end;
+	unsigned int entries;
+	unsigned int pending;
+};
+
+#define N_TX_ENTRIES	64
+
+struct mt7601u_tx_queue {
+	struct mt7601u_dev *dev;
+
+	struct mt7601u_dma_buf_tx {
+		struct urb *urb;
+		struct sk_buff *skb;
+	} e[N_TX_ENTRIES];
+
+	unsigned int start;
+	unsigned int end;
+	unsigned int entries;
+	unsigned int used;
+	unsigned int fifo_seq;
+};
+
+/* WCID allocation:
+ *     0: mcast wcid
+ *     1: bssid wcid
+ *  1...: STAs
+ * ...7e: group wcids
+ *    7f: reserved
+ */
+#define N_WCIDS		128
+#define GROUP_WCID(idx)	(N_WCIDS - 2 - idx)
+
+struct mt7601u_eeprom_params;
+
+#define MT_EE_TEMPERATURE_SLOPE		39
+#define MT_FREQ_OFFSET_INVALID		-128
+
+enum mt_temp_mode {
+	MT_TEMP_MODE_NORMAL,
+	MT_TEMP_MODE_HIGH,
+	MT_TEMP_MODE_LOW,
+};
+
+enum mt_bw {
+	MT_BW_20,
+	MT_BW_40,
+};
+
+enum {
+	MT7601U_STATE_INITIALIZED,
+	MT7601U_STATE_REMOVED,
+	MT7601U_STATE_WLAN_RUNNING,
+	MT7601U_STATE_MCU_RUNNING,
+	MT7601U_STATE_SCANNING,
+	MT7601U_STATE_READING_STATS,
+	MT7601U_STATE_MORE_STATS,
+};
+
+DECLARE_EWMA(rssi, 10, 4);
+
+/**
+ * struct mt7601u_dev - adapter structure
+ * @lock:		protects @wcid->tx_rate.
+ * @mac_lock:		locks out mac80211's tx status and rx paths.
+ * @tx_lock:		protects @tx_q and changes of MT7601U_STATE_*_STATS
+ *			flags in @state.
+ * @rx_lock:		protects @rx_q.
+ * @con_mon_lock:	protects @ap_bssid, @bcn_*, @avg_rssi.
+ * @mutex:		ensures exclusive access from mac80211 callbacks.
+ * @vendor_req_mutex:	protects @vend_buf, ensures atomicity of read/write
+ *			accesses
+ * @reg_atomic_mutex:	ensures atomicity of indirect register accesses
+ *			(accesses to RF and BBP).
+ * @hw_atomic_mutex:	ensures exclusive access to HW during critical
+ *			operations (power management, channel switch).
+ */
+struct mt7601u_dev {
+	struct ieee80211_hw *hw;
+	struct device *dev;
+
+	unsigned long state;
+
+	struct mutex mutex;
+
+	unsigned long wcid_mask[N_WCIDS / BITS_PER_LONG];
+
+	struct cfg80211_chan_def chandef;
+	struct ieee80211_supported_band *sband_2g;
+
+	struct mt7601u_mcu mcu;
+
+	struct delayed_work cal_work;
+	struct delayed_work mac_work;
+
+	struct workqueue_struct *stat_wq;
+	struct delayed_work stat_work;
+
+	struct mt76_wcid *mon_wcid;
+	struct mt76_wcid __rcu *wcid[N_WCIDS];
+
+	spinlock_t lock;
+	spinlock_t mac_lock;
+
+	const u16 *beacon_offsets;
+
+	u8 macaddr[ETH_ALEN];
+	struct mt7601u_eeprom_params *ee;
+
+	struct mutex vendor_req_mutex;
+	void *vend_buf;
+
+	struct mutex reg_atomic_mutex;
+	struct mutex hw_atomic_mutex;
+
+	u32 rxfilter;
+	u32 debugfs_reg;
+
+	u8 out_eps[8];
+	u8 in_eps[8];
+	u16 out_max_packet;
+	u16 in_max_packet;
+
+	/* TX */
+	spinlock_t tx_lock;
+	struct tasklet_struct tx_tasklet;
+	struct mt7601u_tx_queue *tx_q;
+	struct sk_buff_head tx_skb_done;
+
+	atomic_t avg_ampdu_len;
+
+	/* RX */
+	spinlock_t rx_lock;
+	struct tasklet_struct rx_tasklet;
+	struct mt7601u_rx_queue rx_q;
+
+	/* Connection monitoring things */
+	spinlock_t con_mon_lock;
+	u8 ap_bssid[ETH_ALEN];
+
+	s8 bcn_freq_off;
+	u8 bcn_phy_mode;
+
+	struct ewma_rssi avg_rssi;
+
+	u8 agc_save;
+
+	struct mt7601u_freq_cal freq_cal;
+
+	bool tssi_read_trig;
+
+	s8 tssi_init;
+	s8 tssi_init_hvga;
+	s16 tssi_init_hvga_offset_db;
+
+	int prev_pwr_diff;
+
+	enum mt_temp_mode temp_mode;
+	int curr_temp;
+	int dpd_temp;
+	s8 raw_temp;
+	bool pll_lock_protect;
+
+	u8 bw;
+	bool chan_ext_below;
+
+	/* PA mode */
+	u32 rf_pa_mode[2];
+
+	struct mac_stats stats;
+};
+
+struct mt7601u_tssi_params {
+	char tssi0;
+	int trgt_power;
+};
+
+struct mt76_wcid {
+	u8 idx;
+	u8 hw_key_idx;
+
+	u16 tx_rate;
+	bool tx_rate_set;
+	u8 tx_rate_nss;
+};
+
+struct mt76_vif {
+	u8 idx;
+
+	struct mt76_wcid group_wcid;
+};
+
+struct mt76_sta {
+	struct mt76_wcid wcid;
+	u16 agg_ssn[IEEE80211_NUM_TIDS];
+};
+
+struct mt76_reg_pair {
+	u32 reg;
+	u32 value;
+};
+
+struct mt7601u_rxwi;
+
+extern const struct ieee80211_ops mt7601u_ops;
+
+void mt7601u_init_debugfs(struct mt7601u_dev *dev);
+
+u32 mt7601u_rr(struct mt7601u_dev *dev, u32 offset);
+void mt7601u_wr(struct mt7601u_dev *dev, u32 offset, u32 val);
+u32 mt7601u_rmw(struct mt7601u_dev *dev, u32 offset, u32 mask, u32 val);
+u32 mt7601u_rmc(struct mt7601u_dev *dev, u32 offset, u32 mask, u32 val);
+void mt7601u_wr_copy(struct mt7601u_dev *dev, u32 offset,
+		     const void *data, int len);
+
+int mt7601u_wait_asic_ready(struct mt7601u_dev *dev);
+bool mt76_poll(struct mt7601u_dev *dev, u32 offset, u32 mask, u32 val,
+	       int timeout);
+bool mt76_poll_msec(struct mt7601u_dev *dev, u32 offset, u32 mask, u32 val,
+		    int timeout);
+
+/* Compatibility with mt76 */
+#define mt76_rmw_field(_dev, _reg, _field, _val)	\
+	mt76_rmw(_dev, _reg, _field, FIELD_PREP(_field, _val))
+
+static inline u32 mt76_rr(struct mt7601u_dev *dev, u32 offset)
+{
+	return mt7601u_rr(dev, offset);
+}
+
+static inline void mt76_wr(struct mt7601u_dev *dev, u32 offset, u32 val)
+{
+	return mt7601u_wr(dev, offset, val);
+}
+
+static inline u32
+mt76_rmw(struct mt7601u_dev *dev, u32 offset, u32 mask, u32 val)
+{
+	return mt7601u_rmw(dev, offset, mask, val);
+}
+
+static inline u32 mt76_set(struct mt7601u_dev *dev, u32 offset, u32 val)
+{
+	return mt76_rmw(dev, offset, 0, val);
+}
+
+static inline u32 mt76_clear(struct mt7601u_dev *dev, u32 offset, u32 val)
+{
+	return mt76_rmw(dev, offset, val, 0);
+}
+
+int mt7601u_write_reg_pairs(struct mt7601u_dev *dev, u32 base,
+			    const struct mt76_reg_pair *data, int len);
+int mt7601u_burst_write_regs(struct mt7601u_dev *dev, u32 offset,
+			     const u32 *data, int n);
+void mt7601u_addr_wr(struct mt7601u_dev *dev, const u32 offset, const u8 *addr);
+
+/* Init */
+struct mt7601u_dev *mt7601u_alloc_device(struct device *dev);
+int mt7601u_init_hardware(struct mt7601u_dev *dev);
+int mt7601u_register_device(struct mt7601u_dev *dev);
+void mt7601u_cleanup(struct mt7601u_dev *dev);
+
+int mt7601u_mac_start(struct mt7601u_dev *dev);
+void mt7601u_mac_stop(struct mt7601u_dev *dev);
+
+/* PHY */
+int mt7601u_phy_init(struct mt7601u_dev *dev);
+int mt7601u_wait_bbp_ready(struct mt7601u_dev *dev);
+void mt7601u_set_rx_path(struct mt7601u_dev *dev, u8 path);
+void mt7601u_set_tx_dac(struct mt7601u_dev *dev, u8 path);
+int mt7601u_bbp_set_bw(struct mt7601u_dev *dev, int bw);
+void mt7601u_agc_save(struct mt7601u_dev *dev);
+void mt7601u_agc_restore(struct mt7601u_dev *dev);
+int mt7601u_phy_set_channel(struct mt7601u_dev *dev,
+			    struct cfg80211_chan_def *chandef);
+void mt7601u_phy_recalibrate_after_assoc(struct mt7601u_dev *dev);
+int mt7601u_phy_get_rssi(struct mt7601u_dev *dev,
+			 struct mt7601u_rxwi *rxwi, u16 rate);
+void mt7601u_phy_con_cal_onoff(struct mt7601u_dev *dev,
+			       struct ieee80211_bss_conf *info);
+
+/* MAC */
+void mt7601u_mac_work(struct work_struct *work);
+void mt7601u_mac_set_protection(struct mt7601u_dev *dev, bool legacy_prot,
+				int ht_mode);
+void mt7601u_mac_set_short_preamble(struct mt7601u_dev *dev, bool short_preamb);
+void mt7601u_mac_config_tsf(struct mt7601u_dev *dev, bool enable, int interval);
+void
+mt7601u_mac_wcid_setup(struct mt7601u_dev *dev, u8 idx, u8 vif_idx, u8 *mac);
+void mt7601u_mac_set_ampdu_factor(struct mt7601u_dev *dev);
+
+/* TX */
+void mt7601u_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
+		struct sk_buff *skb);
+int mt7601u_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		    u16 queue, const struct ieee80211_tx_queue_params *params);
+void mt7601u_tx_status(struct mt7601u_dev *dev, struct sk_buff *skb);
+void mt7601u_tx_stat(struct work_struct *work);
+
+/* util */
+void mt76_remove_hdr_pad(struct sk_buff *skb);
+int mt76_insert_hdr_pad(struct sk_buff *skb);
+
+u32 mt7601u_bbp_set_ctrlch(struct mt7601u_dev *dev, bool below);
+
+static inline u32 mt7601u_mac_set_ctrlch(struct mt7601u_dev *dev, bool below)
+{
+	return mt7601u_rmc(dev, MT_TX_BAND_CFG, 1, below);
+}
+
+int mt7601u_dma_init(struct mt7601u_dev *dev);
+void mt7601u_dma_cleanup(struct mt7601u_dev *dev);
+
+int mt7601u_dma_enqueue_tx(struct mt7601u_dev *dev, struct sk_buff *skb,
+			   struct mt76_wcid *wcid, int hw_q);
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt7601u/phy.c b/drivers/net/wireless/mediatek/mt7601u/phy.c
new file mode 100644
index 000000000..28db24a2b
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/phy.c
@@ -0,0 +1,1252 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * (c) Copyright 2002-2010, Ralink Technology, Inc.
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#include "mt7601u.h"
+#include "mcu.h"
+#include "eeprom.h"
+#include "trace.h"
+#include "initvals_phy.h"
+
+#include <linux/etherdevice.h>
+
+static void mt7601u_agc_reset(struct mt7601u_dev *dev);
+
+static int
+mt7601u_rf_wr(struct mt7601u_dev *dev, u8 bank, u8 offset, u8 value)
+{
+	int ret = 0;
+
+	if (WARN_ON(!test_bit(MT7601U_STATE_WLAN_RUNNING, &dev->state)) ||
+	    WARN_ON(offset > 63))
+		return -EINVAL;
+	if (test_bit(MT7601U_STATE_REMOVED, &dev->state))
+		return 0;
+
+	mutex_lock(&dev->reg_atomic_mutex);
+
+	if (!mt76_poll(dev, MT_RF_CSR_CFG, MT_RF_CSR_CFG_KICK, 0, 100)) {
+		ret = -ETIMEDOUT;
+		goto out;
+	}
+
+	mt7601u_wr(dev, MT_RF_CSR_CFG,
+		   FIELD_PREP(MT_RF_CSR_CFG_DATA, value) |
+		   FIELD_PREP(MT_RF_CSR_CFG_REG_BANK, bank) |
+		   FIELD_PREP(MT_RF_CSR_CFG_REG_ID, offset) |
+		   MT_RF_CSR_CFG_WR |
+		   MT_RF_CSR_CFG_KICK);
+	trace_rf_write(dev, bank, offset, value);
+out:
+	mutex_unlock(&dev->reg_atomic_mutex);
+
+	if (ret < 0)
+		dev_err(dev->dev, "Error: RF write %02hhx:%02hhx failed:%d!!\n",
+			bank, offset, ret);
+
+	return ret;
+}
+
+static int
+mt7601u_rf_rr(struct mt7601u_dev *dev, u8 bank, u8 offset)
+{
+	int ret = -ETIMEDOUT;
+	u32 val;
+
+	if (WARN_ON(!test_bit(MT7601U_STATE_WLAN_RUNNING, &dev->state)) ||
+	    WARN_ON(offset > 63))
+		return -EINVAL;
+	if (test_bit(MT7601U_STATE_REMOVED, &dev->state))
+		return 0xff;
+
+	mutex_lock(&dev->reg_atomic_mutex);
+
+	if (!mt76_poll(dev, MT_RF_CSR_CFG, MT_RF_CSR_CFG_KICK, 0, 100))
+		goto out;
+
+	mt7601u_wr(dev, MT_RF_CSR_CFG,
+		   FIELD_PREP(MT_RF_CSR_CFG_REG_BANK, bank) |
+		   FIELD_PREP(MT_RF_CSR_CFG_REG_ID, offset) |
+		   MT_RF_CSR_CFG_KICK);
+
+	if (!mt76_poll(dev, MT_RF_CSR_CFG, MT_RF_CSR_CFG_KICK, 0, 100))
+		goto out;
+
+	val = mt7601u_rr(dev, MT_RF_CSR_CFG);
+	if (FIELD_GET(MT_RF_CSR_CFG_REG_ID, val) == offset &&
+	    FIELD_GET(MT_RF_CSR_CFG_REG_BANK, val) == bank) {
+		ret = FIELD_GET(MT_RF_CSR_CFG_DATA, val);
+		trace_rf_read(dev, bank, offset, ret);
+	}
+out:
+	mutex_unlock(&dev->reg_atomic_mutex);
+
+	if (ret < 0)
+		dev_err(dev->dev, "Error: RF read %02hhx:%02hhx failed:%d!!\n",
+			bank, offset, ret);
+
+	return ret;
+}
+
+static int
+mt7601u_rf_rmw(struct mt7601u_dev *dev, u8 bank, u8 offset, u8 mask, u8 val)
+{
+	int ret;
+
+	ret = mt7601u_rf_rr(dev, bank, offset);
+	if (ret < 0)
+		return ret;
+	val |= ret & ~mask;
+	ret = mt7601u_rf_wr(dev, bank, offset, val);
+	if (ret)
+		return ret;
+
+	return val;
+}
+
+static int
+mt7601u_rf_set(struct mt7601u_dev *dev, u8 bank, u8 offset, u8 val)
+{
+	return mt7601u_rf_rmw(dev, bank, offset, 0, val);
+}
+
+static int
+mt7601u_rf_clear(struct mt7601u_dev *dev, u8 bank, u8 offset, u8 mask)
+{
+	return mt7601u_rf_rmw(dev, bank, offset, mask, 0);
+}
+
+static void mt7601u_bbp_wr(struct mt7601u_dev *dev, u8 offset, u8 val)
+{
+	if (WARN_ON(!test_bit(MT7601U_STATE_WLAN_RUNNING, &dev->state)) ||
+	    test_bit(MT7601U_STATE_REMOVED, &dev->state))
+		return;
+
+	mutex_lock(&dev->reg_atomic_mutex);
+
+	if (!mt76_poll(dev, MT_BBP_CSR_CFG, MT_BBP_CSR_CFG_BUSY, 0, 1000)) {
+		dev_err(dev->dev, "Error: BBP write %02hhx failed!!\n", offset);
+		goto out;
+	}
+
+	mt7601u_wr(dev, MT_BBP_CSR_CFG,
+		   FIELD_PREP(MT_BBP_CSR_CFG_VAL, val) |
+		   FIELD_PREP(MT_BBP_CSR_CFG_REG_NUM, offset) |
+		   MT_BBP_CSR_CFG_RW_MODE | MT_BBP_CSR_CFG_BUSY);
+	trace_bbp_write(dev, offset, val);
+out:
+	mutex_unlock(&dev->reg_atomic_mutex);
+}
+
+static int mt7601u_bbp_rr(struct mt7601u_dev *dev, u8 offset)
+{
+	u32 val;
+	int ret = -ETIMEDOUT;
+
+	if (WARN_ON(!test_bit(MT7601U_STATE_WLAN_RUNNING, &dev->state)))
+		return -EINVAL;
+	if (test_bit(MT7601U_STATE_REMOVED, &dev->state))
+		return 0xff;
+
+	mutex_lock(&dev->reg_atomic_mutex);
+
+	if (!mt76_poll(dev, MT_BBP_CSR_CFG, MT_BBP_CSR_CFG_BUSY, 0, 1000))
+		goto out;
+
+	mt7601u_wr(dev, MT_BBP_CSR_CFG,
+		   FIELD_PREP(MT_BBP_CSR_CFG_REG_NUM, offset) |
+		   MT_BBP_CSR_CFG_RW_MODE | MT_BBP_CSR_CFG_BUSY |
+		   MT_BBP_CSR_CFG_READ);
+
+	if (!mt76_poll(dev, MT_BBP_CSR_CFG, MT_BBP_CSR_CFG_BUSY, 0, 1000))
+		goto out;
+
+	val = mt7601u_rr(dev, MT_BBP_CSR_CFG);
+	if (FIELD_GET(MT_BBP_CSR_CFG_REG_NUM, val) == offset) {
+		ret = FIELD_GET(MT_BBP_CSR_CFG_VAL, val);
+		trace_bbp_read(dev, offset, ret);
+	}
+out:
+	mutex_unlock(&dev->reg_atomic_mutex);
+
+	if (ret < 0)
+		dev_err(dev->dev, "Error: BBP read %02hhx failed:%d!!\n",
+			offset, ret);
+
+	return ret;
+}
+
+static int mt7601u_bbp_rmw(struct mt7601u_dev *dev, u8 offset, u8 mask, u8 val)
+{
+	int ret;
+
+	ret = mt7601u_bbp_rr(dev, offset);
+	if (ret < 0)
+		return ret;
+	val |= ret & ~mask;
+	mt7601u_bbp_wr(dev, offset, val);
+
+	return val;
+}
+
+static u8 mt7601u_bbp_rmc(struct mt7601u_dev *dev, u8 offset, u8 mask, u8 val)
+{
+	int ret;
+
+	ret = mt7601u_bbp_rr(dev, offset);
+	if (ret < 0)
+		return ret;
+	val |= ret & ~mask;
+	if (ret != val)
+		mt7601u_bbp_wr(dev, offset, val);
+
+	return val;
+}
+
+int mt7601u_wait_bbp_ready(struct mt7601u_dev *dev)
+{
+	int i = 20;
+	u8 val;
+
+	do {
+		val = mt7601u_bbp_rr(dev, MT_BBP_REG_VERSION);
+		if (val && val != 0xff)
+			break;
+	} while (--i);
+
+	if (!i) {
+		dev_err(dev->dev, "Error: BBP is not ready\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+u32 mt7601u_bbp_set_ctrlch(struct mt7601u_dev *dev, bool below)
+{
+	return mt7601u_bbp_rmc(dev, 3, 0x20, below ? 0x20 : 0);
+}
+
+int mt7601u_phy_get_rssi(struct mt7601u_dev *dev,
+			 struct mt7601u_rxwi *rxwi, u16 rate)
+{
+	static const s8 lna[2][2][3] = {
+		/* main LNA */ {
+			/* bw20 */ { -2, 15, 33 },
+			/* bw40 */ {  0, 16, 34 }
+		},
+		/*  aux LNA */ {
+			/* bw20 */ { -2, 15, 33 },
+			/* bw40 */ { -2, 16, 34 }
+		}
+	};
+	int bw = FIELD_GET(MT_RXWI_RATE_BW, rate);
+	int aux_lna = FIELD_GET(MT_RXWI_ANT_AUX_LNA, rxwi->ant);
+	int lna_id = FIELD_GET(MT_RXWI_GAIN_RSSI_LNA_ID, rxwi->gain);
+	int val;
+
+	if (lna_id) /* LNA id can be 0, 2, 3. */
+		lna_id--;
+
+	val = 8;
+	val -= lna[aux_lna][bw][lna_id];
+	val -= FIELD_GET(MT_RXWI_GAIN_RSSI_VAL, rxwi->gain);
+	val -= dev->ee->lna_gain;
+	val -= dev->ee->rssi_offset[0];
+
+	return val;
+}
+
+static void mt7601u_vco_cal(struct mt7601u_dev *dev)
+{
+	mt7601u_rf_wr(dev, 0, 4, 0x0a);
+	mt7601u_rf_wr(dev, 0, 5, 0x20);
+	mt7601u_rf_set(dev, 0, 4, BIT(7));
+	msleep(2);
+}
+
+static int mt7601u_set_bw_filter(struct mt7601u_dev *dev, bool cal)
+{
+	u32 filter = 0;
+	int ret;
+
+	if (!cal)
+		filter |= 0x10000;
+	if (dev->bw != MT_BW_20)
+		filter |= 0x00100;
+
+	/* TX */
+	ret = mt7601u_mcu_calibrate(dev, MCU_CAL_BW, filter | 1);
+	if (ret)
+		return ret;
+	/* RX */
+	return mt7601u_mcu_calibrate(dev, MCU_CAL_BW, filter);
+}
+
+static int mt7601u_load_bbp_temp_table_bw(struct mt7601u_dev *dev)
+{
+	const struct reg_table *t;
+
+	if (WARN_ON(dev->temp_mode > MT_TEMP_MODE_LOW))
+		return -EINVAL;
+
+	t = &bbp_mode_table[dev->temp_mode][dev->bw];
+
+	return mt7601u_write_reg_pairs(dev, MT_MCU_MEMMAP_BBP, t->regs, t->n);
+}
+
+static int mt7601u_bbp_temp(struct mt7601u_dev *dev, int mode, const char *name)
+{
+	const struct reg_table *t;
+	int ret;
+
+	if (dev->temp_mode == mode)
+		return 0;
+
+	dev->temp_mode = mode;
+	trace_temp_mode(dev, mode);
+
+	t = bbp_mode_table[dev->temp_mode];
+	ret = mt7601u_write_reg_pairs(dev, MT_MCU_MEMMAP_BBP,
+				      t[2].regs, t[2].n);
+	if (ret)
+		return ret;
+
+	return mt7601u_write_reg_pairs(dev, MT_MCU_MEMMAP_BBP,
+				       t[dev->bw].regs, t[dev->bw].n);
+}
+
+static void mt7601u_apply_ch14_fixup(struct mt7601u_dev *dev, int hw_chan)
+{
+	struct mt7601u_rate_power *t = &dev->ee->power_rate_table;
+
+	if (hw_chan != 14 || dev->bw != MT_BW_20) {
+		mt7601u_bbp_rmw(dev, 4, 0x20, 0);
+		mt7601u_bbp_wr(dev, 178, 0xff);
+
+		t->cck[0].bw20 = dev->ee->real_cck_bw20[0];
+		t->cck[1].bw20 = dev->ee->real_cck_bw20[1];
+	} else { /* Apply CH14 OBW fixup */
+		mt7601u_bbp_wr(dev, 4, 0x60);
+		mt7601u_bbp_wr(dev, 178, 0);
+
+		/* Note: vendor code is buggy here for negative values */
+		t->cck[0].bw20 = dev->ee->real_cck_bw20[0] - 2;
+		t->cck[1].bw20 = dev->ee->real_cck_bw20[1] - 2;
+	}
+}
+
+static int __mt7601u_phy_set_channel(struct mt7601u_dev *dev,
+				     struct cfg80211_chan_def *chandef)
+{
+#define FREQ_PLAN_REGS	4
+	static const u8 freq_plan[14][FREQ_PLAN_REGS] = {
+		{ 0x99,	0x99,	0x09,	0x50 },
+		{ 0x46,	0x44,	0x0a,	0x50 },
+		{ 0xec,	0xee,	0x0a,	0x50 },
+		{ 0x99,	0x99,	0x0b,	0x50 },
+		{ 0x46,	0x44,	0x08,	0x51 },
+		{ 0xec,	0xee,	0x08,	0x51 },
+		{ 0x99,	0x99,	0x09,	0x51 },
+		{ 0x46,	0x44,	0x0a,	0x51 },
+		{ 0xec,	0xee,	0x0a,	0x51 },
+		{ 0x99,	0x99,	0x0b,	0x51 },
+		{ 0x46,	0x44,	0x08,	0x52 },
+		{ 0xec,	0xee,	0x08,	0x52 },
+		{ 0x99,	0x99,	0x09,	0x52 },
+		{ 0x33,	0x33,	0x0b,	0x52 },
+	};
+	struct mt76_reg_pair channel_freq_plan[FREQ_PLAN_REGS] = {
+		{ 17, 0 }, { 18, 0 }, { 19, 0 }, { 20, 0 },
+	};
+	struct mt76_reg_pair bbp_settings[3] = {
+		{ 62, 0x37 - dev->ee->lna_gain },
+		{ 63, 0x37 - dev->ee->lna_gain },
+		{ 64, 0x37 - dev->ee->lna_gain },
+	};
+
+	struct ieee80211_channel *chan = chandef->chan;
+	enum nl80211_channel_type chan_type =
+		cfg80211_get_chandef_type(chandef);
+	struct mt7601u_rate_power *t = &dev->ee->power_rate_table;
+	int chan_idx;
+	bool chan_ext_below;
+	u8 bw;
+	int i, ret;
+
+	bw = MT_BW_20;
+	chan_ext_below = (chan_type == NL80211_CHAN_HT40MINUS);
+	chan_idx = chan->hw_value - 1;
+
+	if (chandef->width == NL80211_CHAN_WIDTH_40) {
+		bw = MT_BW_40;
+
+		if (chan_idx > 1 && chan_type == NL80211_CHAN_HT40MINUS)
+			chan_idx -= 2;
+		else if (chan_idx < 12 && chan_type == NL80211_CHAN_HT40PLUS)
+			chan_idx += 2;
+		else
+			dev_err(dev->dev, "Error: invalid 40MHz channel!!\n");
+	}
+
+	if (bw != dev->bw || chan_ext_below != dev->chan_ext_below) {
+		dev_dbg(dev->dev, "Info: switching HT mode bw:%d below:%d\n",
+			bw, chan_ext_below);
+
+		mt7601u_bbp_set_bw(dev, bw);
+
+		mt7601u_bbp_set_ctrlch(dev, chan_ext_below);
+		mt7601u_mac_set_ctrlch(dev, chan_ext_below);
+		dev->chan_ext_below = chan_ext_below;
+	}
+
+	for (i = 0; i < FREQ_PLAN_REGS; i++)
+		channel_freq_plan[i].value = freq_plan[chan_idx][i];
+
+	ret = mt7601u_write_reg_pairs(dev, MT_MCU_MEMMAP_RF,
+				      channel_freq_plan, FREQ_PLAN_REGS);
+	if (ret)
+		return ret;
+
+	mt7601u_rmw(dev, MT_TX_ALC_CFG_0, 0x3f3f,
+		    dev->ee->chan_pwr[chan_idx] & 0x3f);
+
+	ret = mt7601u_write_reg_pairs(dev, MT_MCU_MEMMAP_BBP,
+				      bbp_settings, ARRAY_SIZE(bbp_settings));
+	if (ret)
+		return ret;
+
+	mt7601u_vco_cal(dev);
+	mt7601u_bbp_set_bw(dev, bw);
+	ret = mt7601u_set_bw_filter(dev, false);
+	if (ret)
+		return ret;
+
+	mt7601u_apply_ch14_fixup(dev, chan->hw_value);
+	mt7601u_wr(dev, MT_TX_PWR_CFG_0, int_to_s6(t->ofdm[1].bw20) << 24 |
+					 int_to_s6(t->ofdm[0].bw20) << 16 |
+					 int_to_s6(t->cck[1].bw20) << 8 |
+					 int_to_s6(t->cck[0].bw20));
+
+	if (test_bit(MT7601U_STATE_SCANNING, &dev->state))
+		mt7601u_agc_reset(dev);
+
+	dev->chandef = *chandef;
+
+	return 0;
+}
+
+int mt7601u_phy_set_channel(struct mt7601u_dev *dev,
+			    struct cfg80211_chan_def *chandef)
+{
+	int ret;
+
+	cancel_delayed_work_sync(&dev->cal_work);
+	cancel_delayed_work_sync(&dev->freq_cal.work);
+
+	mutex_lock(&dev->hw_atomic_mutex);
+	ret = __mt7601u_phy_set_channel(dev, chandef);
+	mutex_unlock(&dev->hw_atomic_mutex);
+	if (ret)
+		return ret;
+
+	if (test_bit(MT7601U_STATE_SCANNING, &dev->state))
+		return 0;
+
+	ieee80211_queue_delayed_work(dev->hw, &dev->cal_work,
+				     MT_CALIBRATE_INTERVAL);
+	if (dev->freq_cal.enabled)
+		ieee80211_queue_delayed_work(dev->hw, &dev->freq_cal.work,
+					     MT_FREQ_CAL_INIT_DELAY);
+	return 0;
+}
+
+#define BBP_R47_FLAG		GENMASK(2, 0)
+#define BBP_R47_F_TSSI		0
+#define BBP_R47_F_PKT_T		1
+#define BBP_R47_F_TX_RATE	2
+#define BBP_R47_F_TEMP		4
+/**
+ * mt7601u_bbp_r47_get - read value through BBP R47/R49 pair
+ * @dev:	pointer to adapter structure
+ * @reg:	value of BBP R47 before the operation
+ * @flag:	one of the BBP_R47_F_* flags
+ *
+ * Convenience helper for reading values through BBP R47/R49 pair.
+ * Takes old value of BBP R47 as @reg, because callers usually have it
+ * cached already.
+ *
+ * Return: value of BBP R49.
+ */
+static u8 mt7601u_bbp_r47_get(struct mt7601u_dev *dev, u8 reg, u8 flag)
+{
+	flag |= reg & ~BBP_R47_FLAG;
+	mt7601u_bbp_wr(dev, 47, flag);
+	usleep_range(500, 700);
+	return mt7601u_bbp_rr(dev, 49);
+}
+
+static s8 mt7601u_read_bootup_temp(struct mt7601u_dev *dev)
+{
+	u8 bbp_val, temp;
+	u32 rf_bp, rf_set;
+	int i;
+
+	rf_set = mt7601u_rr(dev, MT_RF_SETTING_0);
+	rf_bp = mt7601u_rr(dev, MT_RF_BYPASS_0);
+
+	mt7601u_wr(dev, MT_RF_BYPASS_0, 0);
+	mt7601u_wr(dev, MT_RF_SETTING_0, 0x00000010);
+	mt7601u_wr(dev, MT_RF_BYPASS_0, 0x00000010);
+
+	bbp_val = mt7601u_bbp_rmw(dev, 47, 0, 0x10);
+
+	mt7601u_bbp_wr(dev, 22, 0x40);
+
+	for (i = 100; i && (bbp_val & 0x10); i--)
+		bbp_val = mt7601u_bbp_rr(dev, 47);
+
+	temp = mt7601u_bbp_r47_get(dev, bbp_val, BBP_R47_F_TEMP);
+
+	mt7601u_bbp_wr(dev, 22, 0);
+
+	bbp_val = mt7601u_bbp_rr(dev, 21);
+	bbp_val |= 0x02;
+	mt7601u_bbp_wr(dev, 21, bbp_val);
+	bbp_val &= ~0x02;
+	mt7601u_bbp_wr(dev, 21, bbp_val);
+
+	mt7601u_wr(dev, MT_RF_BYPASS_0, 0);
+	mt7601u_wr(dev, MT_RF_SETTING_0, rf_set);
+	mt7601u_wr(dev, MT_RF_BYPASS_0, rf_bp);
+
+	trace_read_temp(dev, temp);
+	return temp;
+}
+
+static s8 mt7601u_read_temp(struct mt7601u_dev *dev)
+{
+	int i;
+	u8 val;
+	s8 temp;
+
+	val = mt7601u_bbp_rmw(dev, 47, 0x7f, 0x10);
+
+	/* Note: this rarely succeeds, temp can change even if it fails. */
+	for (i = 100; i && (val & 0x10); i--)
+		val = mt7601u_bbp_rr(dev, 47);
+
+	temp = mt7601u_bbp_r47_get(dev, val, BBP_R47_F_TEMP);
+
+	trace_read_temp(dev, temp);
+	return temp;
+}
+
+static void mt7601u_rxdc_cal(struct mt7601u_dev *dev)
+{
+	static const struct mt76_reg_pair intro[] = {
+		{ 158, 0x8d }, { 159, 0xfc },
+		{ 158, 0x8c }, { 159, 0x4c },
+	}, outro[] = {
+		{ 158, 0x8d }, { 159, 0xe0 },
+	};
+	u32 mac_ctrl;
+	int i, ret;
+
+	mac_ctrl = mt7601u_rr(dev, MT_MAC_SYS_CTRL);
+	mt7601u_wr(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_ENABLE_RX);
+
+	ret = mt7601u_write_reg_pairs(dev, MT_MCU_MEMMAP_BBP,
+				      intro, ARRAY_SIZE(intro));
+	if (ret)
+		dev_err(dev->dev, "%s intro failed:%d\n", __func__, ret);
+
+	for (i = 20; i; i--) {
+		usleep_range(300, 500);
+
+		mt7601u_bbp_wr(dev, 158, 0x8c);
+		if (mt7601u_bbp_rr(dev, 159) == 0x0c)
+			break;
+	}
+	if (!i)
+		dev_err(dev->dev, "%s timed out\n", __func__);
+
+	mt7601u_wr(dev, MT_MAC_SYS_CTRL, 0);
+
+	ret = mt7601u_write_reg_pairs(dev, MT_MCU_MEMMAP_BBP,
+				      outro, ARRAY_SIZE(outro));
+	if (ret)
+		dev_err(dev->dev, "%s outro failed:%d\n", __func__, ret);
+
+	mt7601u_wr(dev, MT_MAC_SYS_CTRL, mac_ctrl);
+}
+
+void mt7601u_phy_recalibrate_after_assoc(struct mt7601u_dev *dev)
+{
+	mt7601u_mcu_calibrate(dev, MCU_CAL_DPD, dev->curr_temp);
+
+	mt7601u_rxdc_cal(dev);
+}
+
+/* Note: function copied from vendor driver */
+static s16 lin2dBd(u16 linear)
+{
+	short exp = 0;
+	unsigned int mantisa;
+	int app, dBd;
+
+	if (WARN_ON(!linear))
+		return -10000;
+
+	mantisa = linear;
+
+	exp = fls(mantisa) - 16;
+	if (exp > 0)
+		mantisa >>= exp;
+	else
+		mantisa <<= abs(exp);
+
+	if (mantisa <= 0xb800)
+		app = (mantisa + (mantisa >> 3) + (mantisa >> 4) - 0x9600);
+	else
+		app = (mantisa - (mantisa >> 3) - (mantisa >> 6) - 0x5a00);
+	if (app < 0)
+		app = 0;
+
+	dBd = ((15 + exp) << 15) + app;
+	dBd = (dBd << 2) + (dBd << 1) + (dBd >> 6) + (dBd >> 7);
+	dBd = (dBd >> 10);
+
+	return dBd;
+}
+
+static void
+mt7601u_set_initial_tssi(struct mt7601u_dev *dev, s16 tssi_db, s16 tssi_hvga_db)
+{
+	struct tssi_data *d = &dev->ee->tssi_data;
+	int init_offset;
+
+	init_offset = -((tssi_db * d->slope + d->offset[1]) / 4096) + 10;
+
+	mt76_rmw(dev, MT_TX_ALC_CFG_1, MT_TX_ALC_CFG_1_TEMP_COMP,
+		 int_to_s6(init_offset) & MT_TX_ALC_CFG_1_TEMP_COMP);
+}
+
+static void mt7601u_tssi_dc_gain_cal(struct mt7601u_dev *dev)
+{
+	u8 rf_vga, rf_mixer, bbp_r47;
+	int i, j;
+	s8 res[4];
+	s16 tssi_init_db, tssi_init_hvga_db;
+
+	mt7601u_wr(dev, MT_RF_SETTING_0, 0x00000030);
+	mt7601u_wr(dev, MT_RF_BYPASS_0, 0x000c0030);
+	mt7601u_wr(dev, MT_MAC_SYS_CTRL, 0);
+
+	mt7601u_bbp_wr(dev, 58, 0);
+	mt7601u_bbp_wr(dev, 241, 0x2);
+	mt7601u_bbp_wr(dev, 23, 0x8);
+	bbp_r47 = mt7601u_bbp_rr(dev, 47);
+
+	/* Set VGA gain */
+	rf_vga = mt7601u_rf_rr(dev, 5, 3);
+	mt7601u_rf_wr(dev, 5, 3, 8);
+
+	/* Mixer disable */
+	rf_mixer = mt7601u_rf_rr(dev, 4, 39);
+	mt7601u_rf_wr(dev, 4, 39, 0);
+
+	for (i = 0; i < 4; i++) {
+		mt7601u_rf_wr(dev, 4, 39, (i & 1) ? rf_mixer : 0);
+
+		mt7601u_bbp_wr(dev, 23, (i < 2) ? 0x08 : 0x02);
+		mt7601u_rf_wr(dev, 5, 3, (i < 2) ? 0x08 : 0x11);
+
+		/* BBP TSSI initial and soft reset */
+		mt7601u_bbp_wr(dev, 22, 0);
+		mt7601u_bbp_wr(dev, 244, 0);
+
+		mt7601u_bbp_wr(dev, 21, 1);
+		udelay(1);
+		mt7601u_bbp_wr(dev, 21, 0);
+
+		/* TSSI measurement */
+		mt7601u_bbp_wr(dev, 47, 0x50);
+		mt7601u_bbp_wr(dev, (i & 1) ? 244 : 22, (i & 1) ? 0x31 : 0x40);
+
+		for (j = 20; j; j--)
+			if (!(mt7601u_bbp_rr(dev, 47) & 0x10))
+				break;
+		if (!j)
+			dev_err(dev->dev, "%s timed out\n", __func__);
+
+		/* TSSI read */
+		mt7601u_bbp_wr(dev, 47, 0x40);
+		res[i] = mt7601u_bbp_rr(dev, 49);
+	}
+
+	tssi_init_db = lin2dBd((short)res[1] - res[0]);
+	tssi_init_hvga_db = lin2dBd(((short)res[3] - res[2]) * 4);
+	dev->tssi_init = res[0];
+	dev->tssi_init_hvga = res[2];
+	dev->tssi_init_hvga_offset_db = tssi_init_hvga_db - tssi_init_db;
+
+	dev_dbg(dev->dev,
+		"TSSI_init:%hhx db:%hx hvga:%hhx hvga_db:%hx off_db:%hx\n",
+		dev->tssi_init, tssi_init_db, dev->tssi_init_hvga,
+		tssi_init_hvga_db, dev->tssi_init_hvga_offset_db);
+
+	mt7601u_bbp_wr(dev, 22, 0);
+	mt7601u_bbp_wr(dev, 244, 0);
+
+	mt7601u_bbp_wr(dev, 21, 1);
+	udelay(1);
+	mt7601u_bbp_wr(dev, 21, 0);
+
+	mt7601u_wr(dev, MT_RF_BYPASS_0, 0);
+	mt7601u_wr(dev, MT_RF_SETTING_0, 0);
+
+	mt7601u_rf_wr(dev, 5, 3, rf_vga);
+	mt7601u_rf_wr(dev, 4, 39, rf_mixer);
+	mt7601u_bbp_wr(dev, 47, bbp_r47);
+
+	mt7601u_set_initial_tssi(dev, tssi_init_db, tssi_init_hvga_db);
+}
+
+static int mt7601u_temp_comp(struct mt7601u_dev *dev, bool on)
+{
+	int ret, temp, hi_temp = 400, lo_temp = -200;
+
+	temp = (dev->raw_temp - dev->ee->ref_temp) * MT_EE_TEMPERATURE_SLOPE;
+	dev->curr_temp = temp;
+
+	/* DPD Calibration */
+	if (temp - dev->dpd_temp > 450 || temp - dev->dpd_temp < -450) {
+		dev->dpd_temp = temp;
+
+		ret = mt7601u_mcu_calibrate(dev, MCU_CAL_DPD, dev->dpd_temp);
+		if (ret)
+			return ret;
+
+		mt7601u_vco_cal(dev);
+
+		dev_dbg(dev->dev, "Recalibrate DPD\n");
+	}
+
+	/* PLL Lock Protect */
+	if (temp < -50 && !dev->pll_lock_protect) { /* < 20C */
+		dev->pll_lock_protect =  true;
+
+		mt7601u_rf_wr(dev, 4, 4, 6);
+		mt7601u_rf_clear(dev, 4, 10, 0x30);
+
+		dev_dbg(dev->dev, "PLL lock protect on - too cold\n");
+	} else if (temp > 50 && dev->pll_lock_protect) { /* > 30C */
+		dev->pll_lock_protect = false;
+
+		mt7601u_rf_wr(dev, 4, 4, 0);
+		mt7601u_rf_rmw(dev, 4, 10, 0x30, 0x10);
+
+		dev_dbg(dev->dev, "PLL lock protect off\n");
+	}
+
+	if (on) {
+		hi_temp -= 50;
+		lo_temp -= 50;
+	}
+
+	/* BBP CR for H, L, N temperature */
+	if (temp > hi_temp)
+		return mt7601u_bbp_temp(dev, MT_TEMP_MODE_HIGH, "high");
+	else if (temp > lo_temp)
+		return mt7601u_bbp_temp(dev, MT_TEMP_MODE_NORMAL, "normal");
+	else
+		return mt7601u_bbp_temp(dev, MT_TEMP_MODE_LOW, "low");
+}
+
+/* Note: this is used only with TSSI, we can just use trgt_pwr from eeprom. */
+static int mt7601u_current_tx_power(struct mt7601u_dev *dev)
+{
+	return dev->ee->chan_pwr[dev->chandef.chan->hw_value - 1];
+}
+
+static bool mt7601u_use_hvga(struct mt7601u_dev *dev)
+{
+	return !(mt7601u_current_tx_power(dev) > 20);
+}
+
+static s16
+mt7601u_phy_rf_pa_mode_val(struct mt7601u_dev *dev, int phy_mode, int tx_rate)
+{
+	static const s16 decode_tb[] = { 0, 8847, -5734, -5734 };
+	u32 reg;
+
+	switch (phy_mode) {
+	case MT_PHY_TYPE_OFDM:
+		tx_rate += 4;
+		fallthrough;
+	case MT_PHY_TYPE_CCK:
+		reg = dev->rf_pa_mode[0];
+		break;
+	default:
+		reg = dev->rf_pa_mode[1];
+		break;
+	}
+
+	return decode_tb[(reg >> (tx_rate * 2)) & 0x3];
+}
+
+static struct mt7601u_tssi_params
+mt7601u_tssi_params_get(struct mt7601u_dev *dev)
+{
+	static const u8 ofdm_pkt2rate[8] = { 6, 4, 2, 0, 7, 5, 3, 1 };
+	static const int static_power[4] = { 0, -49152, -98304, 49152 };
+	struct mt7601u_tssi_params p;
+	u8 bbp_r47, pkt_type, tx_rate;
+	struct power_per_rate *rate_table;
+
+	bbp_r47 = mt7601u_bbp_rr(dev, 47);
+
+	p.tssi0 = mt7601u_bbp_r47_get(dev, bbp_r47, BBP_R47_F_TSSI);
+	dev->raw_temp = mt7601u_bbp_r47_get(dev, bbp_r47, BBP_R47_F_TEMP);
+	pkt_type = mt7601u_bbp_r47_get(dev, bbp_r47, BBP_R47_F_PKT_T);
+
+	p.trgt_power = mt7601u_current_tx_power(dev);
+
+	switch (pkt_type & 0x03) {
+	case MT_PHY_TYPE_CCK:
+		tx_rate = (pkt_type >> 4) & 0x03;
+		rate_table = dev->ee->power_rate_table.cck;
+		break;
+
+	case MT_PHY_TYPE_OFDM:
+		tx_rate = ofdm_pkt2rate[(pkt_type >> 4) & 0x07];
+		rate_table = dev->ee->power_rate_table.ofdm;
+		break;
+
+	default:
+		tx_rate = mt7601u_bbp_r47_get(dev, bbp_r47, BBP_R47_F_TX_RATE);
+		tx_rate &= 0x7f;
+		rate_table = dev->ee->power_rate_table.ht;
+		break;
+	}
+
+	if (dev->bw == MT_BW_20)
+		p.trgt_power += rate_table[tx_rate / 2].bw20;
+	else
+		p.trgt_power += rate_table[tx_rate / 2].bw40;
+
+	p.trgt_power <<= 12;
+
+	dev_dbg(dev->dev, "tx_rate:%02hhx pwr:%08x\n", tx_rate, p.trgt_power);
+
+	p.trgt_power += mt7601u_phy_rf_pa_mode_val(dev, pkt_type & 0x03,
+						   tx_rate);
+
+	/* Channel 14, cck, bw20 */
+	if ((pkt_type & 0x03) == MT_PHY_TYPE_CCK) {
+		if (mt7601u_bbp_rr(dev, 4) & 0x20)
+			p.trgt_power += mt7601u_bbp_rr(dev, 178) ? 18022 : 9830;
+		else
+			p.trgt_power += mt7601u_bbp_rr(dev, 178) ? 819 : 24576;
+	}
+
+	p.trgt_power += static_power[mt7601u_bbp_rr(dev, 1) & 0x03];
+
+	p.trgt_power += dev->ee->tssi_data.tx0_delta_offset;
+
+	dev_dbg(dev->dev,
+		"tssi:%02hhx t_power:%08x temp:%02hhx pkt_type:%02hhx\n",
+		p.tssi0, p.trgt_power, dev->raw_temp, pkt_type);
+
+	return p;
+}
+
+static bool mt7601u_tssi_read_ready(struct mt7601u_dev *dev)
+{
+	return !(mt7601u_bbp_rr(dev, 47) & 0x10);
+}
+
+static int mt7601u_tssi_cal(struct mt7601u_dev *dev)
+{
+	struct mt7601u_tssi_params params;
+	int curr_pwr, diff_pwr;
+	char tssi_offset;
+	s8 tssi_init;
+	s16 tssi_m_dc, tssi_db;
+	bool hvga;
+	u32 val;
+
+	if (!dev->ee->tssi_enabled)
+		return 0;
+
+	hvga = mt7601u_use_hvga(dev);
+	if (!dev->tssi_read_trig)
+		return mt7601u_mcu_tssi_read_kick(dev, hvga);
+
+	if (!mt7601u_tssi_read_ready(dev))
+		return 0;
+
+	params = mt7601u_tssi_params_get(dev);
+
+	tssi_init = (hvga ? dev->tssi_init_hvga : dev->tssi_init);
+	tssi_m_dc = params.tssi0 - tssi_init;
+	tssi_db = lin2dBd(tssi_m_dc);
+	dev_dbg(dev->dev, "tssi dc:%04hx db:%04hx hvga:%d\n",
+		tssi_m_dc, tssi_db, hvga);
+
+	if (dev->chandef.chan->hw_value < 5)
+		tssi_offset = dev->ee->tssi_data.offset[0];
+	else if (dev->chandef.chan->hw_value < 9)
+		tssi_offset = dev->ee->tssi_data.offset[1];
+	else
+		tssi_offset = dev->ee->tssi_data.offset[2];
+
+	if (hvga)
+		tssi_db -= dev->tssi_init_hvga_offset_db;
+
+	curr_pwr = tssi_db * dev->ee->tssi_data.slope + (tssi_offset << 9);
+	diff_pwr = params.trgt_power - curr_pwr;
+	dev_dbg(dev->dev, "Power curr:%08x diff:%08x\n", curr_pwr, diff_pwr);
+
+	if (params.tssi0 > 126 && diff_pwr > 0) {
+		dev_err(dev->dev, "Error: TSSI upper saturation\n");
+		diff_pwr = 0;
+	}
+	if (params.tssi0 - tssi_init < 1 && diff_pwr < 0) {
+		dev_err(dev->dev, "Error: TSSI lower saturation\n");
+		diff_pwr = 0;
+	}
+
+	if ((dev->prev_pwr_diff ^ diff_pwr) < 0 && abs(diff_pwr) < 4096 &&
+	    (abs(diff_pwr) > abs(dev->prev_pwr_diff) ||
+	     (diff_pwr > 0 && diff_pwr == -dev->prev_pwr_diff)))
+		diff_pwr = 0;
+	else
+		dev->prev_pwr_diff = diff_pwr;
+
+	diff_pwr += (diff_pwr > 0) ? 2048 : -2048;
+	diff_pwr /= 4096;
+
+	dev_dbg(dev->dev, "final diff: %08x\n", diff_pwr);
+
+	val = mt7601u_rr(dev, MT_TX_ALC_CFG_1);
+	curr_pwr = s6_to_int(FIELD_GET(MT_TX_ALC_CFG_1_TEMP_COMP, val));
+	diff_pwr += curr_pwr;
+	val = (val & ~MT_TX_ALC_CFG_1_TEMP_COMP) | int_to_s6(diff_pwr);
+	mt7601u_wr(dev, MT_TX_ALC_CFG_1, val);
+
+	return mt7601u_mcu_tssi_read_kick(dev, hvga);
+}
+
+static u8 mt7601u_agc_default(struct mt7601u_dev *dev)
+{
+	return (dev->ee->lna_gain - 8) * 2 + 0x34;
+}
+
+static void mt7601u_agc_reset(struct mt7601u_dev *dev)
+{
+	u8 agc = mt7601u_agc_default(dev);
+
+	mt7601u_bbp_wr(dev, 66,	agc);
+}
+
+void mt7601u_agc_save(struct mt7601u_dev *dev)
+{
+	dev->agc_save = mt7601u_bbp_rr(dev, 66);
+}
+
+void mt7601u_agc_restore(struct mt7601u_dev *dev)
+{
+	mt7601u_bbp_wr(dev, 66, dev->agc_save);
+}
+
+static void mt7601u_agc_tune(struct mt7601u_dev *dev)
+{
+	u8 val = mt7601u_agc_default(dev);
+	long avg_rssi;
+
+	if (test_bit(MT7601U_STATE_SCANNING, &dev->state))
+		return;
+
+	/* Note: only in STA mode and not dozing; perhaps do this only if
+	 *	 there is enough rssi updates since last run?
+	 *	 Rssi updates are only on beacons and U2M so should work...
+	 */
+	spin_lock_bh(&dev->con_mon_lock);
+	avg_rssi = ewma_rssi_read(&dev->avg_rssi);
+	spin_unlock_bh(&dev->con_mon_lock);
+	if (avg_rssi == 0)
+		return;
+
+	avg_rssi = -avg_rssi;
+	if (avg_rssi <= -70)
+		val -= 0x20;
+	else if (avg_rssi <= -60)
+		val -= 0x10;
+
+	if (val != mt7601u_bbp_rr(dev, 66))
+		mt7601u_bbp_wr(dev, 66, val);
+
+	/* TODO: also if lost a lot of beacons try resetting
+	 *       (see RTMPSetAGCInitValue() call in mlme.c).
+	 */
+}
+
+static void mt7601u_phy_calibrate(struct work_struct *work)
+{
+	struct mt7601u_dev *dev = container_of(work, struct mt7601u_dev,
+					    cal_work.work);
+
+	mt7601u_agc_tune(dev);
+	mt7601u_tssi_cal(dev);
+	/* If TSSI calibration was run it already updated temperature. */
+	if (!dev->ee->tssi_enabled)
+		dev->raw_temp = mt7601u_read_temp(dev);
+	mt7601u_temp_comp(dev, true); /* TODO: find right value for @on */
+
+	ieee80211_queue_delayed_work(dev->hw, &dev->cal_work,
+				     MT_CALIBRATE_INTERVAL);
+}
+
+static unsigned long
+__mt7601u_phy_freq_cal(struct mt7601u_dev *dev, s8 last_offset, u8 phy_mode)
+{
+	u8 activate_threshold, deactivate_threshold;
+
+	trace_freq_cal_offset(dev, phy_mode, last_offset);
+
+	/* No beacons received - reschedule soon */
+	if (last_offset == MT_FREQ_OFFSET_INVALID)
+		return MT_FREQ_CAL_ADJ_INTERVAL;
+
+	switch (phy_mode) {
+	case MT_PHY_TYPE_CCK:
+		activate_threshold = 19;
+		deactivate_threshold = 5;
+		break;
+	case MT_PHY_TYPE_OFDM:
+		activate_threshold = 102;
+		deactivate_threshold = 32;
+		break;
+	case MT_PHY_TYPE_HT:
+	case MT_PHY_TYPE_HT_GF:
+		activate_threshold = 82;
+		deactivate_threshold = 20;
+		break;
+	default:
+		WARN_ON(1);
+		return MT_FREQ_CAL_CHECK_INTERVAL;
+	}
+
+	if (abs(last_offset) >= activate_threshold)
+		dev->freq_cal.adjusting = true;
+	else if (abs(last_offset) <= deactivate_threshold)
+		dev->freq_cal.adjusting = false;
+
+	if (!dev->freq_cal.adjusting)
+		return MT_FREQ_CAL_CHECK_INTERVAL;
+
+	if (last_offset > deactivate_threshold) {
+		if (dev->freq_cal.freq > 0)
+			dev->freq_cal.freq--;
+		else
+			dev->freq_cal.adjusting = false;
+	} else if (last_offset < -deactivate_threshold) {
+		if (dev->freq_cal.freq < 0xbf)
+			dev->freq_cal.freq++;
+		else
+			dev->freq_cal.adjusting = false;
+	}
+
+	trace_freq_cal_adjust(dev, dev->freq_cal.freq);
+	mt7601u_rf_wr(dev, 0, 12, dev->freq_cal.freq);
+	mt7601u_vco_cal(dev);
+
+	return dev->freq_cal.adjusting ? MT_FREQ_CAL_ADJ_INTERVAL :
+					 MT_FREQ_CAL_CHECK_INTERVAL;
+}
+
+static void mt7601u_phy_freq_cal(struct work_struct *work)
+{
+	struct mt7601u_dev *dev = container_of(work, struct mt7601u_dev,
+					       freq_cal.work.work);
+	s8 last_offset;
+	u8 phy_mode;
+	unsigned long delay;
+
+	spin_lock_bh(&dev->con_mon_lock);
+	last_offset = dev->bcn_freq_off;
+	phy_mode = dev->bcn_phy_mode;
+	spin_unlock_bh(&dev->con_mon_lock);
+
+	delay = __mt7601u_phy_freq_cal(dev, last_offset, phy_mode);
+	ieee80211_queue_delayed_work(dev->hw, &dev->freq_cal.work, delay);
+
+	spin_lock_bh(&dev->con_mon_lock);
+	dev->bcn_freq_off = MT_FREQ_OFFSET_INVALID;
+	spin_unlock_bh(&dev->con_mon_lock);
+}
+
+void mt7601u_phy_con_cal_onoff(struct mt7601u_dev *dev,
+			       struct ieee80211_bss_conf *info)
+{
+	if (!info->assoc)
+		cancel_delayed_work_sync(&dev->freq_cal.work);
+
+	/* Start/stop collecting beacon data */
+	spin_lock_bh(&dev->con_mon_lock);
+	ether_addr_copy(dev->ap_bssid, info->bssid);
+	ewma_rssi_init(&dev->avg_rssi);
+	dev->bcn_freq_off = MT_FREQ_OFFSET_INVALID;
+	spin_unlock_bh(&dev->con_mon_lock);
+
+	dev->freq_cal.freq = dev->ee->rf_freq_off;
+	dev->freq_cal.enabled = info->assoc;
+	dev->freq_cal.adjusting = false;
+
+	if (info->assoc)
+		ieee80211_queue_delayed_work(dev->hw, &dev->freq_cal.work,
+					     MT_FREQ_CAL_INIT_DELAY);
+}
+
+static int mt7601u_init_cal(struct mt7601u_dev *dev)
+{
+	u32 mac_ctrl;
+	int ret;
+
+	dev->raw_temp = mt7601u_read_bootup_temp(dev);
+	dev->curr_temp = (dev->raw_temp - dev->ee->ref_temp) *
+		MT_EE_TEMPERATURE_SLOPE;
+	dev->dpd_temp = dev->curr_temp;
+
+	mac_ctrl = mt7601u_rr(dev, MT_MAC_SYS_CTRL);
+
+	ret = mt7601u_mcu_calibrate(dev, MCU_CAL_R, 0);
+	if (ret)
+		return ret;
+
+	ret = mt7601u_rf_rr(dev, 0, 4);
+	if (ret < 0)
+		return ret;
+	ret |= 0x80;
+	ret = mt7601u_rf_wr(dev, 0, 4, ret);
+	if (ret)
+		return ret;
+	msleep(2);
+
+	ret = mt7601u_mcu_calibrate(dev, MCU_CAL_TXDCOC, 0);
+	if (ret)
+		return ret;
+
+	mt7601u_rxdc_cal(dev);
+
+	ret = mt7601u_set_bw_filter(dev, true);
+	if (ret)
+		return ret;
+	ret = mt7601u_mcu_calibrate(dev, MCU_CAL_LOFT, 0);
+	if (ret)
+		return ret;
+	ret = mt7601u_mcu_calibrate(dev, MCU_CAL_TXIQ, 0);
+	if (ret)
+		return ret;
+	ret = mt7601u_mcu_calibrate(dev, MCU_CAL_RXIQ, 0);
+	if (ret)
+		return ret;
+	ret = mt7601u_mcu_calibrate(dev, MCU_CAL_DPD, dev->dpd_temp);
+	if (ret)
+		return ret;
+
+	mt7601u_rxdc_cal(dev);
+
+	mt7601u_tssi_dc_gain_cal(dev);
+
+	mt7601u_wr(dev, MT_MAC_SYS_CTRL, mac_ctrl);
+
+	mt7601u_temp_comp(dev, true);
+
+	return 0;
+}
+
+int mt7601u_bbp_set_bw(struct mt7601u_dev *dev, int bw)
+{
+	u32 val, old;
+
+	if (bw == dev->bw) {
+		/* Vendor driver does the rmc even when no change is needed. */
+		mt7601u_bbp_rmc(dev, 4, 0x18, bw == MT_BW_20 ? 0 : 0x10);
+
+		return 0;
+	}
+	dev->bw = bw;
+
+	/* Stop MAC for the time of bw change */
+	old = mt7601u_rr(dev, MT_MAC_SYS_CTRL);
+	val = old & ~(MT_MAC_SYS_CTRL_ENABLE_TX | MT_MAC_SYS_CTRL_ENABLE_RX);
+	mt7601u_wr(dev, MT_MAC_SYS_CTRL, val);
+	mt76_poll(dev, MT_MAC_STATUS, MT_MAC_STATUS_TX | MT_MAC_STATUS_RX,
+		  0, 500000);
+
+	mt7601u_bbp_rmc(dev, 4, 0x18, bw == MT_BW_20 ? 0 : 0x10);
+
+	mt7601u_wr(dev, MT_MAC_SYS_CTRL, old);
+
+	return mt7601u_load_bbp_temp_table_bw(dev);
+}
+
+/**
+ * mt7601u_set_rx_path - set rx path in BBP
+ * @dev:	pointer to adapter structure
+ * @path:	rx path to set values are 0-based
+ */
+void mt7601u_set_rx_path(struct mt7601u_dev *dev, u8 path)
+{
+	mt7601u_bbp_rmw(dev, 3, 0x18, path << 3);
+}
+
+/**
+ * mt7601u_set_tx_dac - set which tx DAC to use
+ * @dev:	pointer to adapter structure
+ * @dac:	DAC index, values are 0-based
+ */
+void mt7601u_set_tx_dac(struct mt7601u_dev *dev, u8 dac)
+{
+	mt7601u_bbp_rmc(dev, 1, 0x18, dac << 3);
+}
+
+int mt7601u_phy_init(struct mt7601u_dev *dev)
+{
+	int ret;
+
+	dev->rf_pa_mode[0] = mt7601u_rr(dev, MT_RF_PA_MODE_CFG0);
+	dev->rf_pa_mode[1] = mt7601u_rr(dev, MT_RF_PA_MODE_CFG1);
+
+	ret = mt7601u_rf_wr(dev, 0, 12, dev->ee->rf_freq_off);
+	if (ret)
+		return ret;
+	ret = mt7601u_write_reg_pairs(dev, 0, rf_central,
+				      ARRAY_SIZE(rf_central));
+	if (ret)
+		return ret;
+	ret = mt7601u_write_reg_pairs(dev, 0, rf_channel,
+				      ARRAY_SIZE(rf_channel));
+	if (ret)
+		return ret;
+	ret = mt7601u_write_reg_pairs(dev, 0, rf_vga, ARRAY_SIZE(rf_vga));
+	if (ret)
+		return ret;
+
+	ret = mt7601u_init_cal(dev);
+	if (ret)
+		return ret;
+
+	dev->prev_pwr_diff = 100;
+
+	INIT_DELAYED_WORK(&dev->cal_work, mt7601u_phy_calibrate);
+	INIT_DELAYED_WORK(&dev->freq_cal.work, mt7601u_phy_freq_cal);
+
+	return 0;
+}
diff --git a/drivers/net/wireless/mediatek/mt7601u/regs.h b/drivers/net/wireless/mediatek/mt7601u/regs.h
new file mode 100644
index 000000000..e75522788
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/regs.h
@@ -0,0 +1,627 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#ifndef __MT76_REGS_H
+#define __MT76_REGS_H
+
+#include <linux/bitops.h>
+
+#define MT_ASIC_VERSION			0x0000
+
+#define MT76XX_REV_E3		0x22
+#define MT76XX_REV_E4		0x33
+
+#define MT_CMB_CTRL			0x0020
+#define MT_CMB_CTRL_XTAL_RDY		BIT(22)
+#define MT_CMB_CTRL_PLL_LD		BIT(23)
+
+#define MT_EFUSE_CTRL			0x0024
+#define MT_EFUSE_CTRL_AOUT		GENMASK(5, 0)
+#define MT_EFUSE_CTRL_MODE		GENMASK(7, 6)
+#define MT_EFUSE_CTRL_LDO_OFF_TIME	GENMASK(13, 8)
+#define MT_EFUSE_CTRL_LDO_ON_TIME	GENMASK(15, 14)
+#define MT_EFUSE_CTRL_AIN		GENMASK(25, 16)
+#define MT_EFUSE_CTRL_KICK		BIT(30)
+#define MT_EFUSE_CTRL_SEL		BIT(31)
+
+#define MT_EFUSE_DATA_BASE		0x0028
+#define MT_EFUSE_DATA(_n)		(MT_EFUSE_DATA_BASE + ((_n) << 2))
+
+#define MT_COEXCFG0			0x0040
+#define MT_COEXCFG0_COEX_EN		BIT(0)
+
+#define MT_WLAN_FUN_CTRL		0x0080
+#define MT_WLAN_FUN_CTRL_WLAN_EN	BIT(0)
+#define MT_WLAN_FUN_CTRL_WLAN_CLK_EN	BIT(1)
+#define MT_WLAN_FUN_CTRL_WLAN_RESET_RF	BIT(2)
+
+#define MT_WLAN_FUN_CTRL_WLAN_RESET	BIT(3) /* MT76x0 */
+#define MT_WLAN_FUN_CTRL_CSR_F20M_CKEN	BIT(3) /* MT76x2 */
+
+#define MT_WLAN_FUN_CTRL_PCIE_CLK_REQ	BIT(4)
+#define MT_WLAN_FUN_CTRL_FRC_WL_ANT_SEL	BIT(5)
+#define MT_WLAN_FUN_CTRL_INV_ANT_SEL	BIT(6)
+#define MT_WLAN_FUN_CTRL_WAKE_HOST	BIT(7)
+
+#define MT_WLAN_FUN_CTRL_THERM_RST	BIT(8) /* MT76x2 */
+#define MT_WLAN_FUN_CTRL_THERM_CKEN	BIT(9) /* MT76x2 */
+
+#define MT_WLAN_FUN_CTRL_GPIO_IN	GENMASK(15, 8) /* MT76x0 */
+#define MT_WLAN_FUN_CTRL_GPIO_OUT	GENMASK(23, 16) /* MT76x0 */
+#define MT_WLAN_FUN_CTRL_GPIO_OUT_EN	GENMASK(31, 24) /* MT76x0 */
+
+#define MT_XO_CTRL0			0x0100
+#define MT_XO_CTRL1			0x0104
+#define MT_XO_CTRL2			0x0108
+#define MT_XO_CTRL3			0x010c
+#define MT_XO_CTRL4			0x0110
+
+#define MT_XO_CTRL5			0x0114
+#define MT_XO_CTRL5_C2_VAL		GENMASK(14, 8)
+
+#define MT_XO_CTRL6			0x0118
+#define MT_XO_CTRL6_C2_CTRL		GENMASK(14, 8)
+
+#define MT_XO_CTRL7			0x011c
+
+#define MT_WLAN_MTC_CTRL		0x10148
+#define MT_WLAN_MTC_CTRL_MTCMOS_PWR_UP	BIT(0)
+#define MT_WLAN_MTC_CTRL_PWR_ACK	BIT(12)
+#define MT_WLAN_MTC_CTRL_PWR_ACK_S	BIT(13)
+#define MT_WLAN_MTC_CTRL_BBP_MEM_PD	GENMASK(19, 16)
+#define MT_WLAN_MTC_CTRL_PBF_MEM_PD	BIT(20)
+#define MT_WLAN_MTC_CTRL_FCE_MEM_PD	BIT(21)
+#define MT_WLAN_MTC_CTRL_TSO_MEM_PD	BIT(22)
+#define MT_WLAN_MTC_CTRL_BBP_MEM_RB	BIT(24)
+#define MT_WLAN_MTC_CTRL_PBF_MEM_RB	BIT(25)
+#define MT_WLAN_MTC_CTRL_FCE_MEM_RB	BIT(26)
+#define MT_WLAN_MTC_CTRL_TSO_MEM_RB	BIT(27)
+#define MT_WLAN_MTC_CTRL_STATE_UP	BIT(28)
+
+#define MT_INT_SOURCE_CSR		0x0200
+#define MT_INT_MASK_CSR			0x0204
+
+#define MT_INT_RX_DONE(_n)		BIT(_n)
+#define MT_INT_RX_DONE_ALL		GENMASK(1, 0)
+#define MT_INT_TX_DONE_ALL		GENMASK(13, 4)
+#define MT_INT_TX_DONE(_n)		BIT(_n + 4)
+#define MT_INT_RX_COHERENT		BIT(16)
+#define MT_INT_TX_COHERENT		BIT(17)
+#define MT_INT_ANY_COHERENT		BIT(18)
+#define MT_INT_MCU_CMD			BIT(19)
+#define MT_INT_TBTT			BIT(20)
+#define MT_INT_PRE_TBTT			BIT(21)
+#define MT_INT_TX_STAT			BIT(22)
+#define MT_INT_AUTO_WAKEUP		BIT(23)
+#define MT_INT_GPTIMER			BIT(24)
+#define MT_INT_RXDELAYINT		BIT(26)
+#define MT_INT_TXDELAYINT		BIT(27)
+
+#define MT_WPDMA_GLO_CFG		0x0208
+#define MT_WPDMA_GLO_CFG_TX_DMA_EN	BIT(0)
+#define MT_WPDMA_GLO_CFG_TX_DMA_BUSY	BIT(1)
+#define MT_WPDMA_GLO_CFG_RX_DMA_EN	BIT(2)
+#define MT_WPDMA_GLO_CFG_RX_DMA_BUSY	BIT(3)
+#define MT_WPDMA_GLO_CFG_DMA_BURST_SIZE	GENMASK(5, 4)
+#define MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE	BIT(6)
+#define MT_WPDMA_GLO_CFG_BIG_ENDIAN	BIT(7)
+#define MT_WPDMA_GLO_CFG_HDR_SEG_LEN	GENMASK(15, 8)
+#define MT_WPDMA_GLO_CFG_CLK_GATE_DIS	BIT(30)
+#define MT_WPDMA_GLO_CFG_RX_2B_OFFSET	BIT(31)
+
+#define MT_WPDMA_RST_IDX		0x020c
+
+#define MT_WPDMA_DELAY_INT_CFG		0x0210
+
+#define MT_WMM_AIFSN		0x0214
+#define MT_WMM_AIFSN_MASK		GENMASK(3, 0)
+#define MT_WMM_AIFSN_SHIFT(_n)		((_n) * 4)
+
+#define MT_WMM_CWMIN		0x0218
+#define MT_WMM_CWMIN_MASK		GENMASK(3, 0)
+#define MT_WMM_CWMIN_SHIFT(_n)		((_n) * 4)
+
+#define MT_WMM_CWMAX		0x021c
+#define MT_WMM_CWMAX_MASK		GENMASK(3, 0)
+#define MT_WMM_CWMAX_SHIFT(_n)		((_n) * 4)
+
+#define MT_WMM_TXOP_BASE		0x0220
+#define MT_WMM_TXOP(_n)			(MT_WMM_TXOP_BASE + (((_n) / 2) << 2))
+#define MT_WMM_TXOP_SHIFT(_n)		((_n & 1) * 16)
+#define MT_WMM_TXOP_MASK		GENMASK(15, 0)
+
+#define MT_FCE_DMA_ADDR			0x0230
+#define MT_FCE_DMA_LEN			0x0234
+
+#define MT_USB_DMA_CFG			0x238
+#define MT_USB_DMA_CFG_RX_BULK_AGG_TOUT	GENMASK(7, 0)
+#define MT_USB_DMA_CFG_RX_BULK_AGG_LMT	GENMASK(15, 8)
+#define MT_USB_DMA_CFG_PHY_CLR		BIT(16)
+#define MT_USB_DMA_CFG_TX_CLR		BIT(19)
+#define MT_USB_DMA_CFG_TXOP_HALT	BIT(20)
+#define MT_USB_DMA_CFG_RX_BULK_AGG_EN	BIT(21)
+#define MT_USB_DMA_CFG_RX_BULK_EN	BIT(22)
+#define MT_USB_DMA_CFG_TX_BULK_EN	BIT(23)
+#define MT_USB_DMA_CFG_UDMA_RX_WL_DROP	BIT(25)
+#define MT_USB_DMA_CFG_EP_OUT_VALID	GENMASK(29, 27)
+#define MT_USB_DMA_CFG_RX_BUSY		BIT(30)
+#define MT_USB_DMA_CFG_TX_BUSY		BIT(31)
+
+#define MT_TSO_CTRL			0x0250
+#define MT_HEADER_TRANS_CTRL_REG	0x0260
+
+#define MT_US_CYC_CFG			0x02a4
+#define MT_US_CYC_CNT			GENMASK(7, 0)
+
+#define MT_TX_RING_BASE			0x0300
+#define MT_RX_RING_BASE			0x03c0
+#define MT_RING_SIZE			0x10
+
+#define MT_TX_HW_QUEUE_MCU		8
+#define MT_TX_HW_QUEUE_MGMT		9
+
+#define MT_PBF_SYS_CTRL			0x0400
+#define MT_PBF_SYS_CTRL_MCU_RESET	BIT(0)
+#define MT_PBF_SYS_CTRL_DMA_RESET	BIT(1)
+#define MT_PBF_SYS_CTRL_MAC_RESET	BIT(2)
+#define MT_PBF_SYS_CTRL_PBF_RESET	BIT(3)
+#define MT_PBF_SYS_CTRL_ASY_RESET	BIT(4)
+
+#define MT_PBF_CFG			0x0404
+#define MT_PBF_CFG_TX0Q_EN		BIT(0)
+#define MT_PBF_CFG_TX1Q_EN		BIT(1)
+#define MT_PBF_CFG_TX2Q_EN		BIT(2)
+#define MT_PBF_CFG_TX3Q_EN		BIT(3)
+#define MT_PBF_CFG_RX0Q_EN		BIT(4)
+#define MT_PBF_CFG_RX_DROP_EN		BIT(8)
+
+#define MT_PBF_TX_MAX_PCNT		0x0408
+#define MT_PBF_RX_MAX_PCNT		0x040c
+
+#define MT_BCN_OFFSET_BASE		0x041c
+#define MT_BCN_OFFSET(_n)		(MT_BCN_OFFSET_BASE + ((_n) << 2))
+
+#define MT_RXQ_STA			0x0430
+#define MT_TXQ_STA			0x0434
+
+#define	MT_RF_CSR_CFG			0x0500
+#define MT_RF_CSR_CFG_DATA		GENMASK(7, 0)
+#define MT_RF_CSR_CFG_REG_ID		GENMASK(13, 8)
+#define MT_RF_CSR_CFG_REG_BANK		GENMASK(17, 14)
+#define MT_RF_CSR_CFG_WR		BIT(30)
+#define MT_RF_CSR_CFG_KICK		BIT(31)
+
+#define MT_RF_BYPASS_0			0x0504
+#define MT_RF_BYPASS_1			0x0508
+#define MT_RF_SETTING_0			0x050c
+
+#define MT_RF_DATA_WRITE		0x0524
+
+#define MT_RF_CTRL			0x0528
+#define MT_RF_CTRL_ADDR			GENMASK(11, 0)
+#define MT_RF_CTRL_WRITE		BIT(12)
+#define MT_RF_CTRL_BUSY			BIT(13)
+#define MT_RF_CTRL_IDX			BIT(16)
+
+#define MT_RF_DATA_READ			0x052c
+
+#define MT_FCE_PSE_CTRL			0x0800
+#define MT_FCE_PARAMETERS		0x0804
+#define MT_FCE_CSO			0x0808
+
+#define MT_FCE_L2_STUFF			0x080c
+#define MT_FCE_L2_STUFF_HT_L2_EN	BIT(0)
+#define MT_FCE_L2_STUFF_QOS_L2_EN	BIT(1)
+#define MT_FCE_L2_STUFF_RX_STUFF_EN	BIT(2)
+#define MT_FCE_L2_STUFF_TX_STUFF_EN	BIT(3)
+#define MT_FCE_L2_STUFF_WR_MPDU_LEN_EN	BIT(4)
+#define MT_FCE_L2_STUFF_MVINV_BSWAP	BIT(5)
+#define MT_FCE_L2_STUFF_TS_CMD_QSEL_EN	GENMASK(15, 8)
+#define MT_FCE_L2_STUFF_TS_LEN_EN	GENMASK(23, 16)
+#define MT_FCE_L2_STUFF_OTHER_PORT	GENMASK(25, 24)
+
+#define MT_FCE_WLAN_FLOW_CONTROL1	0x0824
+
+#define MT_TX_CPU_FROM_FCE_BASE_PTR	0x09a0
+#define MT_TX_CPU_FROM_FCE_MAX_COUNT	0x09a4
+#define MT_TX_CPU_FROM_FCE_CPU_DESC_IDX	0x09a8
+
+#define MT_FCE_PDMA_GLOBAL_CONF		0x09c4
+
+#define MT_PAUSE_ENABLE_CONTROL1	0x0a38
+
+#define MT_FCE_SKIP_FS			0x0a6c
+
+#define MT_MAC_CSR0			0x1000
+
+#define MT_MAC_SYS_CTRL			0x1004
+#define MT_MAC_SYS_CTRL_RESET_CSR	BIT(0)
+#define MT_MAC_SYS_CTRL_RESET_BBP	BIT(1)
+#define MT_MAC_SYS_CTRL_ENABLE_TX	BIT(2)
+#define MT_MAC_SYS_CTRL_ENABLE_RX	BIT(3)
+
+#define MT_MAC_ADDR_DW0			0x1008
+#define MT_MAC_ADDR_DW1			0x100c
+#define MT_MAC_ADDR_DW1_U2ME_MASK	GENMASK(23, 16)
+
+#define MT_MAC_BSSID_DW0		0x1010
+#define MT_MAC_BSSID_DW1		0x1014
+#define MT_MAC_BSSID_DW1_ADDR		GENMASK(15, 0)
+#define MT_MAC_BSSID_DW1_MBSS_MODE	GENMASK(17, 16)
+#define MT_MAC_BSSID_DW1_MBEACON_N	GENMASK(20, 18)
+#define MT_MAC_BSSID_DW1_MBSS_LOCAL_BIT	BIT(21)
+#define MT_MAC_BSSID_DW1_MBSS_MODE_B2	BIT(22)
+#define MT_MAC_BSSID_DW1_MBEACON_N_B3	BIT(23)
+#define MT_MAC_BSSID_DW1_MBSS_IDX_BYTE	GENMASK(26, 24)
+
+#define MT_MAX_LEN_CFG			0x1018
+#define MT_MAX_LEN_CFG_AMPDU		GENMASK(13, 12)
+
+#define MT_BBP_CSR_CFG			0x101c
+#define MT_BBP_CSR_CFG_VAL		GENMASK(7, 0)
+#define MT_BBP_CSR_CFG_REG_NUM		GENMASK(15, 8)
+#define MT_BBP_CSR_CFG_READ		BIT(16)
+#define MT_BBP_CSR_CFG_BUSY		BIT(17)
+#define MT_BBP_CSR_CFG_PAR_DUR		BIT(18)
+#define MT_BBP_CSR_CFG_RW_MODE		BIT(19)
+
+#define MT_AMPDU_MAX_LEN_20M1S		0x1030
+#define MT_AMPDU_MAX_LEN_20M2S		0x1034
+#define MT_AMPDU_MAX_LEN_40M1S		0x1038
+#define MT_AMPDU_MAX_LEN_40M2S		0x103c
+#define MT_AMPDU_MAX_LEN		0x1040
+
+#define MT_WCID_DROP_BASE		0x106c
+#define MT_WCID_DROP(_n)		(MT_WCID_DROP_BASE + ((_n) >> 5) * 4)
+#define MT_WCID_DROP_MASK(_n)		BIT((_n) % 32)
+
+#define MT_BCN_BYPASS_MASK		0x108c
+
+#define MT_MAC_APC_BSSID_BASE		0x1090
+#define MT_MAC_APC_BSSID_L(_n)		(MT_MAC_APC_BSSID_BASE + ((_n) * 8))
+#define MT_MAC_APC_BSSID_H(_n)		(MT_MAC_APC_BSSID_BASE + ((_n) * 8 + 4))
+#define MT_MAC_APC_BSSID_H_ADDR		GENMASK(15, 0)
+#define MT_MAC_APC_BSSID0_H_EN		BIT(16)
+
+#define MT_XIFS_TIME_CFG		0x1100
+#define MT_XIFS_TIME_CFG_CCK_SIFS	GENMASK(7, 0)
+#define MT_XIFS_TIME_CFG_OFDM_SIFS	GENMASK(15, 8)
+#define MT_XIFS_TIME_CFG_OFDM_XIFS	GENMASK(19, 16)
+#define MT_XIFS_TIME_CFG_EIFS		GENMASK(28, 20)
+#define MT_XIFS_TIME_CFG_BB_RXEND_EN	BIT(29)
+
+#define MT_BKOFF_SLOT_CFG		0x1104
+#define MT_BKOFF_SLOT_CFG_SLOTTIME	GENMASK(7, 0)
+#define MT_BKOFF_SLOT_CFG_CC_DELAY	GENMASK(11, 8)
+
+#define MT_BEACON_TIME_CFG		0x1114
+#define MT_BEACON_TIME_CFG_INTVAL	GENMASK(15, 0)
+#define MT_BEACON_TIME_CFG_TIMER_EN	BIT(16)
+#define MT_BEACON_TIME_CFG_SYNC_MODE	GENMASK(18, 17)
+#define MT_BEACON_TIME_CFG_TBTT_EN	BIT(19)
+#define MT_BEACON_TIME_CFG_BEACON_TX	BIT(20)
+#define MT_BEACON_TIME_CFG_TSF_COMP	GENMASK(31, 24)
+
+#define MT_TBTT_SYNC_CFG		0x1118
+#define MT_TBTT_TIMER_CFG		0x1124
+
+#define MT_INT_TIMER_CFG		0x1128
+#define MT_INT_TIMER_CFG_PRE_TBTT	GENMASK(15, 0)
+#define MT_INT_TIMER_CFG_GP_TIMER	GENMASK(31, 16)
+
+#define MT_INT_TIMER_EN			0x112c
+#define MT_INT_TIMER_EN_PRE_TBTT_EN	BIT(0)
+#define MT_INT_TIMER_EN_GP_TIMER_EN	BIT(1)
+
+#define MT_MAC_STATUS			0x1200
+#define MT_MAC_STATUS_TX		BIT(0)
+#define MT_MAC_STATUS_RX		BIT(1)
+
+#define MT_PWR_PIN_CFG			0x1204
+#define MT_AUX_CLK_CFG			0x120c
+
+#define MT_BB_PA_MODE_CFG0		0x1214
+#define MT_BB_PA_MODE_CFG1		0x1218
+#define MT_RF_PA_MODE_CFG0		0x121c
+#define MT_RF_PA_MODE_CFG1		0x1220
+
+#define MT_RF_PA_MODE_ADJ0		0x1228
+#define MT_RF_PA_MODE_ADJ1		0x122c
+
+#define MT_DACCLK_EN_DLY_CFG		0x1264
+
+#define MT_EDCA_CFG_BASE		0x1300
+#define MT_EDCA_CFG_AC(_n)		(MT_EDCA_CFG_BASE + ((_n) << 2))
+#define MT_EDCA_CFG_TXOP		GENMASK(7, 0)
+#define MT_EDCA_CFG_AIFSN		GENMASK(11, 8)
+#define MT_EDCA_CFG_CWMIN		GENMASK(15, 12)
+#define MT_EDCA_CFG_CWMAX		GENMASK(19, 16)
+
+#define MT_TX_PWR_CFG_0			0x1314
+#define MT_TX_PWR_CFG_1			0x1318
+#define MT_TX_PWR_CFG_2			0x131c
+#define MT_TX_PWR_CFG_3			0x1320
+#define MT_TX_PWR_CFG_4			0x1324
+
+#define MT_TX_BAND_CFG			0x132c
+#define MT_TX_BAND_CFG_UPPER_40M	BIT(0)
+#define MT_TX_BAND_CFG_5G		BIT(1)
+#define MT_TX_BAND_CFG_2G		BIT(2)
+
+#define MT_HT_FBK_TO_LEGACY		0x1384
+#define MT_TX_MPDU_ADJ_INT		0x1388
+
+#define MT_TX_PWR_CFG_7			0x13d4
+#define MT_TX_PWR_CFG_8			0x13d8
+#define MT_TX_PWR_CFG_9			0x13dc
+
+#define MT_TX_SW_CFG0			0x1330
+#define MT_TX_SW_CFG1			0x1334
+#define MT_TX_SW_CFG2			0x1338
+
+#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_CTRL
+
+#define MT_TX_RTS_CFG			0x1344
+#define MT_TX_RTS_CFG_RETRY_LIMIT	GENMASK(7, 0)
+#define MT_TX_RTS_CFG_THRESH		GENMASK(23, 8)
+#define MT_TX_RTS_FALLBACK		BIT(24)
+
+#define MT_TX_TIMEOUT_CFG		0x1348
+#define MT_TX_RETRY_CFG			0x134c
+#define MT_TX_LINK_CFG			0x1350
+#define MT_HT_FBK_CFG0			0x1354
+#define MT_HT_FBK_CFG1			0x1358
+#define MT_LG_FBK_CFG0			0x135c
+#define MT_LG_FBK_CFG1			0x1360
+
+#define MT_CCK_PROT_CFG			0x1364
+#define MT_OFDM_PROT_CFG		0x1368
+#define MT_MM20_PROT_CFG		0x136c
+#define MT_MM40_PROT_CFG		0x1370
+#define MT_GF20_PROT_CFG		0x1374
+#define MT_GF40_PROT_CFG		0x1378
+
+#define MT_PROT_RATE			GENMASK(15, 0)
+#define MT_PROT_CTRL_RTS_CTS		BIT(16)
+#define MT_PROT_CTRL_CTS2SELF		BIT(17)
+#define MT_PROT_NAV_SHORT		BIT(18)
+#define MT_PROT_NAV_LONG		BIT(19)
+#define MT_PROT_TXOP_ALLOW_CCK		BIT(20)
+#define MT_PROT_TXOP_ALLOW_OFDM		BIT(21)
+#define MT_PROT_TXOP_ALLOW_MM20		BIT(22)
+#define MT_PROT_TXOP_ALLOW_MM40		BIT(23)
+#define MT_PROT_TXOP_ALLOW_GF20		BIT(24)
+#define MT_PROT_TXOP_ALLOW_GF40		BIT(25)
+#define MT_PROT_RTS_THR_EN		BIT(26)
+#define MT_PROT_RATE_CCK_11		0x0003
+#define MT_PROT_RATE_OFDM_6		0x4000
+#define MT_PROT_RATE_OFDM_24		0x4004
+#define MT_PROT_RATE_DUP_OFDM_24	0x4084
+#define MT_PROT_TXOP_ALLOW_ALL		GENMASK(25, 20)
+#define MT_PROT_TXOP_ALLOW_BW20		(MT_PROT_TXOP_ALLOW_ALL &	\
+					 ~MT_PROT_TXOP_ALLOW_MM40 &	\
+					 ~MT_PROT_TXOP_ALLOW_GF40)
+
+#define MT_EXP_ACK_TIME			0x1380
+
+#define MT_TX_PWR_CFG_0_EXT		0x1390
+#define MT_TX_PWR_CFG_1_EXT		0x1394
+
+#define MT_TX_FBK_LIMIT			0x1398
+#define MT_TX_FBK_LIMIT_MPDU_FBK	GENMASK(7, 0)
+#define MT_TX_FBK_LIMIT_AMPDU_FBK	GENMASK(15, 8)
+#define MT_TX_FBK_LIMIT_MPDU_UP_CLEAR	BIT(16)
+#define MT_TX_FBK_LIMIT_AMPDU_UP_CLEAR	BIT(17)
+#define MT_TX_FBK_LIMIT_RATE_LUT	BIT(18)
+
+#define MT_TX0_RF_GAIN_CORR		0x13a0
+#define MT_TX1_RF_GAIN_CORR		0x13a4
+#define MT_TX0_RF_GAIN_ATTEN		0x13a8
+
+#define MT_TX_ALC_CFG_0			0x13b0
+#define MT_TX_ALC_CFG_0_CH_INIT_0	GENMASK(5, 0)
+#define MT_TX_ALC_CFG_0_CH_INIT_1	GENMASK(13, 8)
+#define MT_TX_ALC_CFG_0_LIMIT_0		GENMASK(21, 16)
+#define MT_TX_ALC_CFG_0_LIMIT_1		GENMASK(29, 24)
+
+#define MT_TX_ALC_CFG_1			0x13b4
+#define MT_TX_ALC_CFG_1_TEMP_COMP	GENMASK(5, 0)
+
+#define MT_TX_ALC_CFG_2			0x13a8
+#define MT_TX_ALC_CFG_2_TEMP_COMP	GENMASK(5, 0)
+
+#define MT_TX0_BB_GAIN_ATTEN		0x13c0
+
+#define MT_TX_ALC_VGA3			0x13c8
+
+#define MT_TX_PROT_CFG6			0x13e0
+#define MT_TX_PROT_CFG7			0x13e4
+#define MT_TX_PROT_CFG8			0x13e8
+
+#define MT_PIFS_TX_CFG			0x13ec
+
+#define MT_RX_FILTR_CFG			0x1400
+
+#define MT_RX_FILTR_CFG_CRC_ERR		BIT(0)
+#define MT_RX_FILTR_CFG_PHY_ERR		BIT(1)
+#define MT_RX_FILTR_CFG_PROMISC		BIT(2)
+#define MT_RX_FILTR_CFG_OTHER_BSS	BIT(3)
+#define MT_RX_FILTR_CFG_VER_ERR		BIT(4)
+#define MT_RX_FILTR_CFG_MCAST		BIT(5)
+#define MT_RX_FILTR_CFG_BCAST		BIT(6)
+#define MT_RX_FILTR_CFG_DUP		BIT(7)
+#define MT_RX_FILTR_CFG_CFACK		BIT(8)
+#define MT_RX_FILTR_CFG_CFEND		BIT(9)
+#define MT_RX_FILTR_CFG_ACK		BIT(10)
+#define MT_RX_FILTR_CFG_CTS		BIT(11)
+#define MT_RX_FILTR_CFG_RTS		BIT(12)
+#define MT_RX_FILTR_CFG_PSPOLL		BIT(13)
+#define MT_RX_FILTR_CFG_BA		BIT(14)
+#define MT_RX_FILTR_CFG_BAR		BIT(15)
+#define MT_RX_FILTR_CFG_CTRL_RSV	BIT(16)
+
+#define MT_AUTO_RSP_CFG			0x1404
+
+#define MT_AUTO_RSP_PREAMB_SHORT	BIT(4)
+
+#define MT_LEGACY_BASIC_RATE		0x1408
+#define MT_HT_BASIC_RATE		0x140c
+
+#define MT_RX_PARSER_CFG		0x1418
+#define MT_RX_PARSER_RX_SET_NAV_ALL	BIT(0)
+
+#define MT_EXT_CCA_CFG			0x141c
+#define MT_EXT_CCA_CFG_CCA0		GENMASK(1, 0)
+#define MT_EXT_CCA_CFG_CCA1		GENMASK(3, 2)
+#define MT_EXT_CCA_CFG_CCA2		GENMASK(5, 4)
+#define MT_EXT_CCA_CFG_CCA3		GENMASK(7, 6)
+#define MT_EXT_CCA_CFG_CCA_MASK		GENMASK(11, 8)
+#define MT_EXT_CCA_CFG_ED_CCA_MASK	GENMASK(15, 12)
+
+#define MT_TX_SW_CFG3			0x1478
+
+#define MT_PN_PAD_MODE			0x150c
+
+#define MT_TXOP_HLDR_ET			0x1608
+
+#define MT_PROT_AUTO_TX_CFG		0x1648
+
+#define MT_RX_STA_CNT0			0x1700
+#define MT_RX_STA_CNT1			0x1704
+#define MT_RX_STA_CNT2			0x1708
+#define MT_TX_STA_CNT0			0x170c
+#define MT_TX_STA_CNT1			0x1710
+#define MT_TX_STA_CNT2			0x1714
+
+/* Vendor driver defines content of the second word of STAT_FIFO as follows:
+ *	MT_TX_STAT_FIFO_RATE		GENMASK(26, 16)
+ *	MT_TX_STAT_FIFO_ETXBF		BIT(27)
+ *	MT_TX_STAT_FIFO_SND		BIT(28)
+ *	MT_TX_STAT_FIFO_ITXBF		BIT(29)
+ * However, tests show that b16-31 have the same layout as TXWI rate_ctl
+ * with rate set to rate at which frame was acked.
+ */
+#define MT_TX_STAT_FIFO			0x1718
+#define MT_TX_STAT_FIFO_VALID		BIT(0)
+#define MT_TX_STAT_FIFO_PID_TYPE	GENMASK(4, 1)
+#define MT_TX_STAT_FIFO_SUCCESS		BIT(5)
+#define MT_TX_STAT_FIFO_AGGR		BIT(6)
+#define MT_TX_STAT_FIFO_ACKREQ		BIT(7)
+#define MT_TX_STAT_FIFO_WCID		GENMASK(15, 8)
+#define MT_TX_STAT_FIFO_RATE		GENMASK(31, 16)
+
+#define MT_TX_AGG_STAT			0x171c
+
+#define MT_TX_AGG_CNT_BASE0		0x1720
+
+#define MT_MPDU_DENSITY_CNT		0x1740
+
+#define MT_TX_AGG_CNT_BASE1		0x174c
+
+#define MT_TX_AGG_CNT(_id)		((_id) < 8 ?			\
+					 MT_TX_AGG_CNT_BASE0 + ((_id) << 2) : \
+					 MT_TX_AGG_CNT_BASE1 + ((_id - 8) << 2))
+
+#define MT_TX_STAT_FIFO_EXT		0x1798
+#define MT_TX_STAT_FIFO_EXT_RETRY	GENMASK(7, 0)
+
+#define MT_BBP_CORE_BASE		0x2000
+#define MT_BBP_IBI_BASE			0x2100
+#define MT_BBP_AGC_BASE			0x2300
+#define MT_BBP_TXC_BASE			0x2400
+#define MT_BBP_RXC_BASE			0x2500
+#define MT_BBP_TXO_BASE			0x2600
+#define MT_BBP_TXBE_BASE		0x2700
+#define MT_BBP_RXFE_BASE		0x2800
+#define MT_BBP_RXO_BASE			0x2900
+#define MT_BBP_DFS_BASE			0x2a00
+#define MT_BBP_TR_BASE			0x2b00
+#define MT_BBP_CAL_BASE			0x2c00
+#define MT_BBP_DSC_BASE			0x2e00
+#define MT_BBP_PFMU_BASE		0x2f00
+
+#define MT_BBP(_type, _n)		(MT_BBP_##_type##_BASE + ((_n) << 2))
+
+#define MT_BBP_CORE_R1_BW		GENMASK(4, 3)
+
+#define MT_BBP_AGC_R0_CTRL_CHAN		GENMASK(9, 8)
+#define MT_BBP_AGC_R0_BW		GENMASK(14, 12)
+
+/* AGC, R4/R5 */
+#define MT_BBP_AGC_LNA_GAIN		GENMASK(21, 16)
+
+/* AGC, R8/R9 */
+#define MT_BBP_AGC_GAIN			GENMASK(14, 8)
+
+#define MT_BBP_AGC20_RSSI0		GENMASK(7, 0)
+#define MT_BBP_AGC20_RSSI1		GENMASK(15, 8)
+
+#define MT_BBP_TXBE_R0_CTRL_CHAN	GENMASK(1, 0)
+
+#define MT_WCID_ADDR_BASE		0x1800
+#define MT_WCID_ADDR(_n)		(MT_WCID_ADDR_BASE + (_n) * 8)
+
+#define MT_SRAM_BASE			0x4000
+
+#define MT_WCID_KEY_BASE		0x8000
+#define MT_WCID_KEY(_n)			(MT_WCID_KEY_BASE + (_n) * 32)
+
+#define MT_WCID_IV_BASE			0xa000
+#define MT_WCID_IV(_n)			(MT_WCID_IV_BASE + (_n) * 8)
+
+#define MT_WCID_ATTR_BASE		0xa800
+#define MT_WCID_ATTR(_n)		(MT_WCID_ATTR_BASE + (_n) * 4)
+
+#define MT_WCID_ATTR_PAIRWISE		BIT(0)
+#define MT_WCID_ATTR_PKEY_MODE		GENMASK(3, 1)
+#define MT_WCID_ATTR_BSS_IDX		GENMASK(6, 4)
+#define MT_WCID_ATTR_RXWI_UDF		GENMASK(9, 7)
+#define MT_WCID_ATTR_PKEY_MODE_EXT	BIT(10)
+#define MT_WCID_ATTR_BSS_IDX_EXT	BIT(11)
+#define MT_WCID_ATTR_WAPI_MCBC		BIT(15)
+#define MT_WCID_ATTR_WAPI_KEYID		GENMASK(31, 24)
+
+#define MT_SKEY_BASE_0			0xac00
+#define MT_SKEY_BASE_1			0xb400
+#define MT_SKEY_0(_bss, _idx)		\
+	(MT_SKEY_BASE_0 + (4 * (_bss) + _idx) * 32)
+#define MT_SKEY_1(_bss, _idx)		\
+	(MT_SKEY_BASE_1 + (4 * ((_bss) & 7) + _idx) * 32)
+#define MT_SKEY(_bss, _idx)		\
+	((_bss & 8) ? MT_SKEY_1(_bss, _idx) : MT_SKEY_0(_bss, _idx))
+
+#define MT_SKEY_MODE_BASE_0		0xb000
+#define MT_SKEY_MODE_BASE_1		0xb3f0
+#define MT_SKEY_MODE_0(_bss)		\
+	(MT_SKEY_MODE_BASE_0 + ((_bss / 2) << 2))
+#define MT_SKEY_MODE_1(_bss)		\
+	(MT_SKEY_MODE_BASE_1 + ((((_bss) & 7) / 2) << 2))
+#define MT_SKEY_MODE(_bss)		\
+	((_bss & 8) ? MT_SKEY_MODE_1(_bss) : MT_SKEY_MODE_0(_bss))
+#define MT_SKEY_MODE_MASK		GENMASK(3, 0)
+#define MT_SKEY_MODE_SHIFT(_bss, _idx)	(4 * ((_idx) + 4 * (_bss & 1)))
+
+#define MT_BEACON_BASE			0xc000
+
+#define MT_TEMP_SENSOR			0x1d000
+#define MT_TEMP_SENSOR_VAL		GENMASK(6, 0)
+
+enum mt76_cipher_type {
+	MT_CIPHER_NONE,
+	MT_CIPHER_WEP40,
+	MT_CIPHER_WEP104,
+	MT_CIPHER_TKIP,
+	MT_CIPHER_AES_CCMP,
+	MT_CIPHER_CKIP40,
+	MT_CIPHER_CKIP104,
+	MT_CIPHER_CKIP128,
+	MT_CIPHER_WAPI,
+};
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt7601u/trace.c b/drivers/net/wireless/mediatek/mt7601u/trace.c
new file mode 100644
index 000000000..42df68a54
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/trace.c
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#include <linux/module.h>
+
+#ifndef __CHECKER__
+#define CREATE_TRACE_POINTS
+#include "trace.h"
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt7601u/trace.h b/drivers/net/wireless/mediatek/mt7601u/trace.h
new file mode 100644
index 000000000..5a6ba0150
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/trace.h
@@ -0,0 +1,392 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#if !defined(__MT7601U_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define __MT7601U_TRACE_H
+
+#include <linux/tracepoint.h>
+#include "mt7601u.h"
+#include "mac.h"
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mt7601u
+
+#define MAXNAME		32
+#define DEV_ENTRY	__array(char, wiphy_name, 32)
+#define DEV_ASSIGN	strlcpy(__entry->wiphy_name,			\
+				wiphy_name(dev->hw->wiphy), MAXNAME)
+#define DEV_PR_FMT	"%s "
+#define DEV_PR_ARG	__entry->wiphy_name
+
+#define REG_ENTRY	__field(u32, reg) __field(u32, val)
+#define REG_ASSIGN	__entry->reg = reg; __entry->val = val
+#define REG_PR_FMT	"%04x=%08x"
+#define REG_PR_ARG	__entry->reg, __entry->val
+
+DECLARE_EVENT_CLASS(dev_reg_evtu,
+	TP_PROTO(struct mt7601u_dev *dev, u32 reg, u32 val),
+	TP_ARGS(dev, reg, val),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		REG_ENTRY
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		REG_ASSIGN;
+	),
+	TP_printk(
+		DEV_PR_FMT REG_PR_FMT,
+		DEV_PR_ARG, REG_PR_ARG
+	)
+);
+
+DEFINE_EVENT(dev_reg_evtu, reg_read,
+	TP_PROTO(struct mt7601u_dev *dev, u32 reg, u32 val),
+	TP_ARGS(dev, reg, val)
+);
+
+DEFINE_EVENT(dev_reg_evtu, reg_write,
+	TP_PROTO(struct mt7601u_dev *dev, u32 reg, u32 val),
+	TP_ARGS(dev, reg, val)
+);
+
+TRACE_EVENT(mt_submit_urb,
+	TP_PROTO(struct mt7601u_dev *dev, struct urb *u),
+	TP_ARGS(dev, u),
+	TP_STRUCT__entry(
+		DEV_ENTRY __field(unsigned, pipe) __field(u32, len)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->pipe = u->pipe;
+		__entry->len = u->transfer_buffer_length;
+	),
+	TP_printk(DEV_PR_FMT "p:%08x len:%u",
+		  DEV_PR_ARG, __entry->pipe, __entry->len)
+);
+
+#define trace_mt_submit_urb_sync(__dev, __pipe, __len) ({	\
+	struct urb u;					\
+	u.pipe = __pipe;				\
+	u.transfer_buffer_length = __len;		\
+	trace_mt_submit_urb(__dev, &u);			\
+})
+
+TRACE_EVENT(mt_mcu_msg_send,
+	TP_PROTO(struct mt7601u_dev *dev,
+		 struct sk_buff *skb, u32 csum, bool resp),
+	TP_ARGS(dev, skb, csum, resp),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u32, info)
+		__field(u32, csum)
+		__field(bool, resp)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->info = *(u32 *)skb->data;
+		__entry->csum = csum;
+		__entry->resp = resp;
+	),
+	TP_printk(DEV_PR_FMT "i:%08x c:%08x r:%d",
+		  DEV_PR_ARG, __entry->info, __entry->csum, __entry->resp)
+);
+
+TRACE_EVENT(mt_vend_req,
+	TP_PROTO(struct mt7601u_dev *dev, unsigned pipe, u8 req, u8 req_type,
+		 u16 val, u16 offset, void *buf, size_t buflen, int ret),
+	TP_ARGS(dev, pipe, req, req_type, val, offset, buf, buflen, ret),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(unsigned, pipe) __field(u8, req) __field(u8, req_type)
+		__field(u16, val) __field(u16, offset) __field(void*, buf)
+		__field(int, buflen) __field(int, ret)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->pipe = pipe;
+		__entry->req = req;
+		__entry->req_type = req_type;
+		__entry->val = val;
+		__entry->offset = offset;
+		__entry->buf = buf;
+		__entry->buflen = buflen;
+		__entry->ret = ret;
+	),
+	TP_printk(DEV_PR_FMT
+		  "%d p:%08x req:%02hhx %02hhx val:%04hx %04hx buf:%d %d",
+		  DEV_PR_ARG, __entry->ret, __entry->pipe, __entry->req,
+		  __entry->req_type, __entry->val, __entry->offset,
+		  !!__entry->buf, __entry->buflen)
+);
+
+TRACE_EVENT(ee_read,
+	TP_PROTO(struct mt7601u_dev *dev, int offset, u16 val),
+	TP_ARGS(dev, offset, val),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(int, o) __field(u16, v)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->o = offset;
+		__entry->v = val;
+	),
+	TP_printk(DEV_PR_FMT "%04x=%04x", DEV_PR_ARG, __entry->o, __entry->v)
+);
+
+DECLARE_EVENT_CLASS(dev_rf_reg_evt,
+	TP_PROTO(struct mt7601u_dev *dev, u8 bank, u8 reg, u8 val),
+	TP_ARGS(dev, bank, reg, val),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u8, bank)
+		__field(u8, reg)
+		__field(u8, val)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		REG_ASSIGN;
+		__entry->bank = bank;
+	),
+	TP_printk(
+		DEV_PR_FMT "%02hhx:%02hhx=%02hhx",
+		DEV_PR_ARG, __entry->bank, __entry->reg, __entry->val
+	)
+);
+
+DEFINE_EVENT(dev_rf_reg_evt, rf_read,
+	TP_PROTO(struct mt7601u_dev *dev, u8 bank, u8 reg, u8 val),
+	TP_ARGS(dev, bank, reg, val)
+);
+
+DEFINE_EVENT(dev_rf_reg_evt, rf_write,
+	TP_PROTO(struct mt7601u_dev *dev, u8 bank, u8 reg, u8 val),
+	TP_ARGS(dev, bank, reg, val)
+);
+
+DECLARE_EVENT_CLASS(dev_bbp_reg_evt,
+	TP_PROTO(struct mt7601u_dev *dev, u8 reg, u8 val),
+	TP_ARGS(dev, reg, val),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u8, reg)
+		__field(u8, val)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		REG_ASSIGN;
+	),
+	TP_printk(
+		DEV_PR_FMT "%02hhx=%02hhx",
+		DEV_PR_ARG, __entry->reg, __entry->val
+	)
+);
+
+DEFINE_EVENT(dev_bbp_reg_evt, bbp_read,
+	TP_PROTO(struct mt7601u_dev *dev, u8 reg, u8 val),
+	TP_ARGS(dev, reg, val)
+);
+
+DEFINE_EVENT(dev_bbp_reg_evt, bbp_write,
+	TP_PROTO(struct mt7601u_dev *dev, u8 reg, u8 val),
+	TP_ARGS(dev, reg, val)
+);
+
+DECLARE_EVENT_CLASS(dev_simple_evt,
+	TP_PROTO(struct mt7601u_dev *dev, u8 val),
+	TP_ARGS(dev, val),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u8, val)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->val = val;
+	),
+	TP_printk(
+		DEV_PR_FMT "%02hhx", DEV_PR_ARG, __entry->val
+	)
+);
+
+DEFINE_EVENT(dev_simple_evt, temp_mode,
+	TP_PROTO(struct mt7601u_dev *dev, u8 val),
+	TP_ARGS(dev, val)
+);
+
+DEFINE_EVENT(dev_simple_evt, read_temp,
+	TP_PROTO(struct mt7601u_dev *dev, u8 val),
+	TP_ARGS(dev, val)
+);
+
+DEFINE_EVENT(dev_simple_evt, freq_cal_adjust,
+	TP_PROTO(struct mt7601u_dev *dev, u8 val),
+	TP_ARGS(dev, val)
+);
+
+TRACE_EVENT(freq_cal_offset,
+	TP_PROTO(struct mt7601u_dev *dev, u8 phy_mode, s8 freq_off),
+	TP_ARGS(dev, phy_mode, freq_off),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u8, phy_mode)
+		__field(s8, freq_off)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->phy_mode = phy_mode;
+		__entry->freq_off = freq_off;
+	),
+	TP_printk(DEV_PR_FMT "phy:%02hhx off:%02hhx",
+		  DEV_PR_ARG, __entry->phy_mode, __entry->freq_off)
+);
+
+TRACE_EVENT(mt_rx,
+	TP_PROTO(struct mt7601u_dev *dev, struct mt7601u_rxwi *rxwi, u32 f),
+	TP_ARGS(dev, rxwi, f),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field_struct(struct mt7601u_rxwi, rxwi)
+		__field(u32, fce_info)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->rxwi = *rxwi;
+		__entry->fce_info = f;
+	),
+	TP_printk(DEV_PR_FMT "rxi:%08x ctl:%08x frag_sn:%04hx rate:%04hx "
+		  "uknw:%02hhx z:%02hhx%02hhx%02hhx snr:%02hhx "
+		  "ant:%02hhx gain:%02hhx freq_o:%02hhx "
+		  "r:%08x ea:%08x fce:%08x", DEV_PR_ARG,
+		  le32_to_cpu(__entry->rxwi.rxinfo),
+		  le32_to_cpu(__entry->rxwi.ctl),
+		  le16_to_cpu(__entry->rxwi.frag_sn),
+		  le16_to_cpu(__entry->rxwi.rate),
+		  __entry->rxwi.unknown,
+		  __entry->rxwi.zero[0], __entry->rxwi.zero[1],
+		  __entry->rxwi.zero[2],
+		  __entry->rxwi.snr, __entry->rxwi.ant,
+		  __entry->rxwi.gain, __entry->rxwi.freq_off,
+		  __entry->rxwi.resv2, __entry->rxwi.expert_ant,
+		  __entry->fce_info)
+);
+
+TRACE_EVENT(mt_tx,
+	TP_PROTO(struct mt7601u_dev *dev, struct sk_buff *skb,
+		 struct mt76_sta *sta, struct mt76_txwi *h),
+	TP_ARGS(dev, skb, sta, h),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field_struct(struct mt76_txwi, h)
+		__field(struct sk_buff *, skb)
+		__field(struct mt76_sta *, sta)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->h = *h;
+		__entry->skb = skb;
+		__entry->sta = sta;
+	),
+	TP_printk(DEV_PR_FMT "skb:%p sta:%p  flg:%04hx rate_ctl:%04hx "
+		  "ack:%02hhx wcid:%02hhx len_ctl:%05hx", DEV_PR_ARG,
+		  __entry->skb, __entry->sta,
+		  le16_to_cpu(__entry->h.flags),
+		  le16_to_cpu(__entry->h.rate_ctl),
+		  __entry->h.ack_ctl, __entry->h.wcid,
+		  le16_to_cpu(__entry->h.len_ctl))
+);
+
+TRACE_EVENT(mt_tx_dma_done,
+	TP_PROTO(struct mt7601u_dev *dev, struct sk_buff *skb),
+	TP_ARGS(dev, skb),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(struct sk_buff *, skb)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->skb = skb;
+	),
+	TP_printk(DEV_PR_FMT "%p", DEV_PR_ARG, __entry->skb)
+);
+
+TRACE_EVENT(mt_tx_status_cleaned,
+	TP_PROTO(struct mt7601u_dev *dev, int cleaned),
+	TP_ARGS(dev, cleaned),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(int, cleaned)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->cleaned = cleaned;
+	),
+	TP_printk(DEV_PR_FMT "%d", DEV_PR_ARG, __entry->cleaned)
+);
+
+TRACE_EVENT(mt_tx_status,
+	TP_PROTO(struct mt7601u_dev *dev, u32 stat1, u32 stat2),
+	TP_ARGS(dev, stat1, stat2),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u32, stat1)	__field(u32, stat2)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->stat1 = stat1;
+		__entry->stat2 = stat2;
+	),
+	TP_printk(DEV_PR_FMT "%08x %08x",
+		  DEV_PR_ARG, __entry->stat1, __entry->stat2)
+);
+
+TRACE_EVENT(mt_rx_dma_aggr,
+	TP_PROTO(struct mt7601u_dev *dev, int cnt, bool paged),
+	TP_ARGS(dev, cnt, paged),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u8, cnt)
+		__field(bool, paged)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->cnt = cnt;
+		__entry->paged = paged;
+	),
+	TP_printk(DEV_PR_FMT "cnt:%d paged:%d",
+		  DEV_PR_ARG, __entry->cnt, __entry->paged)
+);
+
+DEFINE_EVENT(dev_simple_evt, set_key,
+	TP_PROTO(struct mt7601u_dev *dev, u8 val),
+	TP_ARGS(dev, val)
+);
+
+TRACE_EVENT(set_shared_key,
+	TP_PROTO(struct mt7601u_dev *dev, u8 vid, u8 key),
+	TP_ARGS(dev, vid, key),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+		__field(u8, vid)
+		__field(u8, key)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		__entry->vid = vid;
+		__entry->key = key;
+	),
+	TP_printk(DEV_PR_FMT "phy:%02hhx off:%02hhx",
+		  DEV_PR_ARG, __entry->vid, __entry->key)
+);
+
+#endif
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace
+
+#include <trace/define_trace.h>
diff --git a/drivers/net/wireless/mediatek/mt7601u/tx.c b/drivers/net/wireless/mediatek/mt7601u/tx.c
new file mode 100644
index 000000000..f3dff8319
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/tx.c
@@ -0,0 +1,315 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#include "mt7601u.h"
+#include "trace.h"
+
+enum mt76_txq_id {
+	MT_TXQ_VO = IEEE80211_AC_VO,
+	MT_TXQ_VI = IEEE80211_AC_VI,
+	MT_TXQ_BE = IEEE80211_AC_BE,
+	MT_TXQ_BK = IEEE80211_AC_BK,
+	MT_TXQ_PSD,
+	MT_TXQ_MCU,
+	__MT_TXQ_MAX
+};
+
+/* Hardware uses mirrored order of queues with Q0 having the highest priority */
+static u8 q2hwq(u8 q)
+{
+	return q ^ 0x3;
+}
+
+/* Take mac80211 Q id from the skb and translate it to hardware Q id */
+static u8 skb2q(struct sk_buff *skb)
+{
+	int qid = skb_get_queue_mapping(skb);
+
+	if (WARN_ON(qid >= MT_TXQ_PSD)) {
+		qid = MT_TXQ_BE;
+		skb_set_queue_mapping(skb, qid);
+	}
+
+	return q2hwq(qid);
+}
+
+/* Note: TX retry reporting is a bit broken.
+ *	 Retries are reported only once per AMPDU and often come a frame early
+ *	 i.e. they are reported in the last status preceding the AMPDU. Apart
+ *	 from the fact that it's hard to know the length of the AMPDU (which is
+ *	 required to know to how many consecutive frames retries should be
+ *	 applied), if status comes early on full FIFO it gets lost and retries
+ *	 of the whole AMPDU become invisible.
+ *	 As a work-around encode the desired rate in PKT_ID of TX descriptor
+ *	 and based on that guess the retries (every rate is tried once).
+ *	 Only downside here is that for MCS0 we have to rely solely on
+ *	 transmission failures as no retries can ever be reported.
+ *	 Not having to read EXT_FIFO has a nice effect of doubling the number
+ *	 of reports which can be fetched.
+ *	 Also the vendor driver never uses the EXT_FIFO register so it may be
+ *	 undertested.
+ */
+static u8 mt7601u_tx_pktid_enc(struct mt7601u_dev *dev, u8 rate, bool is_probe)
+{
+	u8 encoded = (rate + 1) + is_probe *  8;
+
+	/* Because PKT_ID 0 disables status reporting only 15 values are
+	 * available but 16 are needed (8 MCS * 2 for encoding is_probe)
+	 * - we need to cram together two rates. MCS0 and MCS7 with is_probe
+	 * share PKT_ID 9.
+	 */
+	if (is_probe && rate == 7)
+		return encoded - 7;
+
+	return encoded;
+}
+
+static void
+mt7601u_tx_pktid_dec(struct mt7601u_dev *dev, struct mt76_tx_status *stat)
+{
+	u8 req_rate = stat->pktid;
+	u8 eff_rate = stat->rate & 0x7;
+
+	req_rate -= 1;
+
+	if (req_rate > 7) {
+		stat->is_probe = true;
+		req_rate -= 8;
+
+		/* Decide between MCS0 and MCS7 which share pktid 9 */
+		if (!req_rate && eff_rate)
+			req_rate = 7;
+	}
+
+	stat->retry = req_rate - eff_rate;
+}
+
+static void mt7601u_tx_skb_remove_dma_overhead(struct sk_buff *skb,
+					       struct ieee80211_tx_info *info)
+{
+	int pkt_len = (unsigned long)info->status.status_driver_data[0];
+
+	skb_pull(skb, sizeof(struct mt76_txwi) + 4);
+	if (ieee80211_get_hdrlen_from_skb(skb) % 4)
+		mt76_remove_hdr_pad(skb);
+
+	skb_trim(skb, pkt_len);
+}
+
+void mt7601u_tx_status(struct mt7601u_dev *dev, struct sk_buff *skb)
+{
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+	mt7601u_tx_skb_remove_dma_overhead(skb, info);
+
+	ieee80211_tx_info_clear_status(info);
+	info->status.rates[0].idx = -1;
+	info->flags |= IEEE80211_TX_STAT_ACK;
+
+	spin_lock_bh(&dev->mac_lock);
+	ieee80211_tx_status(dev->hw, skb);
+	spin_unlock_bh(&dev->mac_lock);
+}
+
+static int mt7601u_skb_rooms(struct mt7601u_dev *dev, struct sk_buff *skb)
+{
+	int hdr_len = ieee80211_get_hdrlen_from_skb(skb);
+	u32 need_head;
+
+	need_head = sizeof(struct mt76_txwi) + 4;
+	if (hdr_len % 4)
+		need_head += 2;
+
+	return skb_cow(skb, need_head);
+}
+
+static struct mt76_txwi *
+mt7601u_push_txwi(struct mt7601u_dev *dev, struct sk_buff *skb,
+		  struct ieee80211_sta *sta, struct mt76_wcid *wcid,
+		  int pkt_len)
+{
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_tx_rate *rate = &info->control.rates[0];
+	struct mt76_txwi *txwi;
+	unsigned long flags;
+	bool is_probe;
+	u32 pkt_id;
+	u16 rate_ctl;
+	u8 nss;
+
+	txwi = skb_push(skb, sizeof(struct mt76_txwi));
+	memset(txwi, 0, sizeof(*txwi));
+
+	if (!wcid->tx_rate_set)
+		ieee80211_get_tx_rates(info->control.vif, sta, skb,
+				       info->control.rates, 1);
+
+	spin_lock_irqsave(&dev->lock, flags);
+	if (rate->idx < 0 || !rate->count)
+		rate_ctl = wcid->tx_rate;
+	else
+		rate_ctl = mt76_mac_tx_rate_val(dev, rate, &nss);
+	spin_unlock_irqrestore(&dev->lock, flags);
+	txwi->rate_ctl = cpu_to_le16(rate_ctl);
+
+	if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
+		txwi->ack_ctl |= MT_TXWI_ACK_CTL_REQ;
+	if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
+		txwi->ack_ctl |= MT_TXWI_ACK_CTL_NSEQ;
+
+	if ((info->flags & IEEE80211_TX_CTL_AMPDU) && sta) {
+		u8 ba_size = IEEE80211_MIN_AMPDU_BUF;
+
+		ba_size <<= sta->ht_cap.ampdu_factor;
+		ba_size = min_t(int, 63, ba_size);
+		if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)
+			ba_size = 0;
+		txwi->ack_ctl |= FIELD_PREP(MT_TXWI_ACK_CTL_BA_WINDOW, ba_size);
+
+		txwi->flags =
+			cpu_to_le16(MT_TXWI_FLAGS_AMPDU |
+				    FIELD_PREP(MT_TXWI_FLAGS_MPDU_DENSITY,
+					       sta->ht_cap.ampdu_density));
+		if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)
+			txwi->flags = 0;
+	}
+
+	txwi->wcid = wcid->idx;
+
+	is_probe = !!(info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE);
+	pkt_id = mt7601u_tx_pktid_enc(dev, rate_ctl & 0x7, is_probe);
+	pkt_len |= FIELD_PREP(MT_TXWI_LEN_PKTID, pkt_id);
+	txwi->len_ctl = cpu_to_le16(pkt_len);
+
+	return txwi;
+}
+
+void mt7601u_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
+		struct sk_buff *skb)
+{
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct mt7601u_dev *dev = hw->priv;
+	struct ieee80211_vif *vif = info->control.vif;
+	struct ieee80211_sta *sta = control->sta;
+	struct mt76_sta *msta = NULL;
+	struct mt76_wcid *wcid = dev->mon_wcid;
+	struct mt76_txwi *txwi;
+	int pkt_len = skb->len;
+	int hw_q = skb2q(skb);
+
+	BUILD_BUG_ON(ARRAY_SIZE(info->status.status_driver_data) < 1);
+	info->status.status_driver_data[0] = (void *)(unsigned long)pkt_len;
+
+	if (mt7601u_skb_rooms(dev, skb) || mt76_insert_hdr_pad(skb)) {
+		ieee80211_free_txskb(dev->hw, skb);
+		return;
+	}
+
+	if (sta) {
+		msta = (struct mt76_sta *) sta->drv_priv;
+		wcid = &msta->wcid;
+	} else if (vif) {
+		struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
+
+		wcid = &mvif->group_wcid;
+	}
+
+	txwi = mt7601u_push_txwi(dev, skb, sta, wcid, pkt_len);
+
+	if (mt7601u_dma_enqueue_tx(dev, skb, wcid, hw_q))
+		return;
+
+	trace_mt_tx(dev, skb, msta, txwi);
+}
+
+void mt7601u_tx_stat(struct work_struct *work)
+{
+	struct mt7601u_dev *dev = container_of(work, struct mt7601u_dev,
+					       stat_work.work);
+	struct mt76_tx_status stat;
+	unsigned long flags;
+	int cleaned = 0;
+
+	while (!test_bit(MT7601U_STATE_REMOVED, &dev->state)) {
+		stat = mt7601u_mac_fetch_tx_status(dev);
+		if (!stat.valid)
+			break;
+
+		mt7601u_tx_pktid_dec(dev, &stat);
+		mt76_send_tx_status(dev, &stat);
+
+		cleaned++;
+	}
+	trace_mt_tx_status_cleaned(dev, cleaned);
+
+	spin_lock_irqsave(&dev->tx_lock, flags);
+	if (cleaned)
+		queue_delayed_work(dev->stat_wq, &dev->stat_work,
+				   msecs_to_jiffies(10));
+	else if (test_and_clear_bit(MT7601U_STATE_MORE_STATS, &dev->state))
+		queue_delayed_work(dev->stat_wq, &dev->stat_work,
+				   msecs_to_jiffies(20));
+	else
+		clear_bit(MT7601U_STATE_READING_STATS, &dev->state);
+	spin_unlock_irqrestore(&dev->tx_lock, flags);
+}
+
+int mt7601u_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		    u16 queue, const struct ieee80211_tx_queue_params *params)
+{
+	struct mt7601u_dev *dev = hw->priv;
+	u8 cw_min = 5, cw_max = 10, hw_q = q2hwq(queue);
+	u32 val;
+
+	/* TODO: should we do funny things with the parameters?
+	 *	 See what mt7601u_set_default_edca() used to do in init.c.
+	 */
+
+	if (params->cw_min)
+		cw_min = fls(params->cw_min);
+	if (params->cw_max)
+		cw_max = fls(params->cw_max);
+
+	WARN_ON(params->txop > 0xff);
+	WARN_ON(params->aifs > 0xf);
+	WARN_ON(cw_min > 0xf);
+	WARN_ON(cw_max > 0xf);
+
+	val = FIELD_PREP(MT_EDCA_CFG_AIFSN, params->aifs) |
+	      FIELD_PREP(MT_EDCA_CFG_CWMIN, cw_min) |
+	      FIELD_PREP(MT_EDCA_CFG_CWMAX, cw_max);
+	/* TODO: based on user-controlled EnableTxBurst var vendor drv sets
+	 *	 a really long txop on AC0 (see connect.c:2009) but only on
+	 *	 connect? When not connected should be 0.
+	 */
+	if (!hw_q)
+		val |= 0x60;
+	else
+		val |= FIELD_PREP(MT_EDCA_CFG_TXOP, params->txop);
+	mt76_wr(dev, MT_EDCA_CFG_AC(hw_q), val);
+
+	val = mt76_rr(dev, MT_WMM_TXOP(hw_q));
+	val &= ~(MT_WMM_TXOP_MASK << MT_WMM_TXOP_SHIFT(hw_q));
+	val |= params->txop << MT_WMM_TXOP_SHIFT(hw_q);
+	mt76_wr(dev, MT_WMM_TXOP(hw_q), val);
+
+	val = mt76_rr(dev, MT_WMM_AIFSN);
+	val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(hw_q));
+	val |= params->aifs << MT_WMM_AIFSN_SHIFT(hw_q);
+	mt76_wr(dev, MT_WMM_AIFSN, val);
+
+	val = mt76_rr(dev, MT_WMM_CWMIN);
+	val &= ~(MT_WMM_CWMIN_MASK << MT_WMM_CWMIN_SHIFT(hw_q));
+	val |= cw_min << MT_WMM_CWMIN_SHIFT(hw_q);
+	mt76_wr(dev, MT_WMM_CWMIN, val);
+
+	val = mt76_rr(dev, MT_WMM_CWMAX);
+	val &= ~(MT_WMM_CWMAX_MASK << MT_WMM_CWMAX_SHIFT(hw_q));
+	val |= cw_max << MT_WMM_CWMAX_SHIFT(hw_q);
+	mt76_wr(dev, MT_WMM_CWMAX, val);
+
+	return 0;
+}
diff --git a/drivers/net/wireless/mediatek/mt7601u/usb.c b/drivers/net/wireless/mediatek/mt7601u/usb.c
new file mode 100644
index 000000000..cc772045d
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/usb.c
@@ -0,0 +1,381 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+
+#include "mt7601u.h"
+#include "usb.h"
+#include "trace.h"
+
+static const struct usb_device_id mt7601u_device_table[] = {
+	{ USB_DEVICE(0x0b05, 0x17d3) },
+	{ USB_DEVICE(0x0e8d, 0x760a) },
+	{ USB_DEVICE(0x0e8d, 0x760b) },
+	{ USB_DEVICE(0x13d3, 0x3431) },
+	{ USB_DEVICE(0x13d3, 0x3434) },
+	{ USB_DEVICE(0x148f, 0x7601) },
+	{ USB_DEVICE(0x148f, 0x760a) },
+	{ USB_DEVICE(0x148f, 0x760b) },
+	{ USB_DEVICE(0x148f, 0x760c) },
+	{ USB_DEVICE(0x148f, 0x760d) },
+	{ USB_DEVICE(0x2001, 0x3d04) },
+	{ USB_DEVICE(0x2717, 0x4106) },
+	{ USB_DEVICE(0x2955, 0x0001) },
+	{ USB_DEVICE(0x2955, 0x1001) },
+	{ USB_DEVICE(0x2955, 0x1003) },
+	{ USB_DEVICE(0x2a5f, 0x1000) },
+	{ USB_DEVICE(0x7392, 0x7710) },
+	{ 0, }
+};
+
+bool mt7601u_usb_alloc_buf(struct mt7601u_dev *dev, size_t len,
+			   struct mt7601u_dma_buf *buf)
+{
+	struct usb_device *usb_dev = mt7601u_to_usb_dev(dev);
+
+	buf->len = len;
+	buf->urb = usb_alloc_urb(0, GFP_KERNEL);
+	buf->buf = usb_alloc_coherent(usb_dev, buf->len, GFP_KERNEL, &buf->dma);
+
+	return !buf->urb || !buf->buf;
+}
+
+void mt7601u_usb_free_buf(struct mt7601u_dev *dev, struct mt7601u_dma_buf *buf)
+{
+	struct usb_device *usb_dev = mt7601u_to_usb_dev(dev);
+
+	usb_free_coherent(usb_dev, buf->len, buf->buf, buf->dma);
+	usb_free_urb(buf->urb);
+}
+
+int mt7601u_usb_submit_buf(struct mt7601u_dev *dev, int dir, int ep_idx,
+			   struct mt7601u_dma_buf *buf, gfp_t gfp,
+			   usb_complete_t complete_fn, void *context)
+{
+	struct usb_device *usb_dev = mt7601u_to_usb_dev(dev);
+	unsigned pipe;
+	int ret;
+
+	if (dir == USB_DIR_IN)
+		pipe = usb_rcvbulkpipe(usb_dev, dev->in_eps[ep_idx]);
+	else
+		pipe = usb_sndbulkpipe(usb_dev, dev->out_eps[ep_idx]);
+
+	usb_fill_bulk_urb(buf->urb, usb_dev, pipe, buf->buf, buf->len,
+			  complete_fn, context);
+	buf->urb->transfer_dma = buf->dma;
+	buf->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+	trace_mt_submit_urb(dev, buf->urb);
+	ret = usb_submit_urb(buf->urb, gfp);
+	if (ret)
+		dev_err(dev->dev, "Error: submit URB dir:%d ep:%d failed:%d\n",
+			dir, ep_idx, ret);
+	return ret;
+}
+
+void mt7601u_complete_urb(struct urb *urb)
+{
+	struct completion *cmpl = urb->context;
+
+	complete(cmpl);
+}
+
+int mt7601u_vendor_request(struct mt7601u_dev *dev, const u8 req,
+			   const u8 direction, const u16 val, const u16 offset,
+			   void *buf, const size_t buflen)
+{
+	int i, ret;
+	struct usb_device *usb_dev = mt7601u_to_usb_dev(dev);
+	const u8 req_type = direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
+	const unsigned int pipe = (direction == USB_DIR_IN) ?
+		usb_rcvctrlpipe(usb_dev, 0) : usb_sndctrlpipe(usb_dev, 0);
+
+	for (i = 0; i < MT_VEND_REQ_MAX_RETRY; i++) {
+		ret = usb_control_msg(usb_dev, pipe, req, req_type,
+				      val, offset, buf, buflen,
+				      MT_VEND_REQ_TOUT_MS);
+		trace_mt_vend_req(dev, pipe, req, req_type, val, offset,
+				  buf, buflen, ret);
+
+		if (ret == -ENODEV)
+			set_bit(MT7601U_STATE_REMOVED, &dev->state);
+		if (ret >= 0 || ret == -ENODEV)
+			return ret;
+
+		msleep(5);
+	}
+
+	dev_err(dev->dev, "Vendor request req:%02x off:%04x failed:%d\n",
+		req, offset, ret);
+
+	return ret;
+}
+
+void mt7601u_vendor_reset(struct mt7601u_dev *dev)
+{
+	mt7601u_vendor_request(dev, MT_VEND_DEV_MODE, USB_DIR_OUT,
+			       MT_VEND_DEV_MODE_RESET, 0, NULL, 0);
+}
+
+/* should be called with vendor_req_mutex held */
+static u32 __mt7601u_rr(struct mt7601u_dev *dev, u32 offset)
+{
+	int ret;
+	u32 val = ~0;
+
+	WARN_ONCE(offset > USHRT_MAX, "read high off:%08x", offset);
+
+	ret = mt7601u_vendor_request(dev, MT_VEND_MULTI_READ, USB_DIR_IN,
+				     0, offset, dev->vend_buf, MT_VEND_BUF);
+	if (ret == MT_VEND_BUF)
+		val = get_unaligned_le32(dev->vend_buf);
+	else if (ret > 0)
+		dev_err(dev->dev, "Error: wrong size read:%d off:%08x\n",
+			ret, offset);
+
+	trace_reg_read(dev, offset, val);
+	return val;
+}
+
+u32 mt7601u_rr(struct mt7601u_dev *dev, u32 offset)
+{
+	u32 ret;
+
+	mutex_lock(&dev->vendor_req_mutex);
+	ret = __mt7601u_rr(dev, offset);
+	mutex_unlock(&dev->vendor_req_mutex);
+
+	return ret;
+}
+
+/* should be called with vendor_req_mutex held */
+static int __mt7601u_vendor_single_wr(struct mt7601u_dev *dev, const u8 req,
+				      const u16 offset, const u32 val)
+{
+	int ret = mt7601u_vendor_request(dev, req, USB_DIR_OUT,
+					 val & 0xffff, offset, NULL, 0);
+	if (!ret)
+		ret = mt7601u_vendor_request(dev, req, USB_DIR_OUT,
+					     val >> 16, offset + 2, NULL, 0);
+	trace_reg_write(dev, offset, val);
+	return ret;
+}
+
+int mt7601u_vendor_single_wr(struct mt7601u_dev *dev, const u8 req,
+			     const u16 offset, const u32 val)
+{
+	int ret;
+
+	mutex_lock(&dev->vendor_req_mutex);
+	ret = __mt7601u_vendor_single_wr(dev, req, offset, val);
+	mutex_unlock(&dev->vendor_req_mutex);
+
+	return ret;
+}
+
+void mt7601u_wr(struct mt7601u_dev *dev, u32 offset, u32 val)
+{
+	WARN_ONCE(offset > USHRT_MAX, "write high off:%08x", offset);
+
+	mt7601u_vendor_single_wr(dev, MT_VEND_WRITE, offset, val);
+}
+
+u32 mt7601u_rmw(struct mt7601u_dev *dev, u32 offset, u32 mask, u32 val)
+{
+	mutex_lock(&dev->vendor_req_mutex);
+	val |= __mt7601u_rr(dev, offset) & ~mask;
+	__mt7601u_vendor_single_wr(dev, MT_VEND_WRITE, offset, val);
+	mutex_unlock(&dev->vendor_req_mutex);
+
+	return val;
+}
+
+u32 mt7601u_rmc(struct mt7601u_dev *dev, u32 offset, u32 mask, u32 val)
+{
+	u32 reg;
+
+	mutex_lock(&dev->vendor_req_mutex);
+	reg = __mt7601u_rr(dev, offset);
+	val |= reg & ~mask;
+	if (reg != val)
+		__mt7601u_vendor_single_wr(dev, MT_VEND_WRITE,
+					   offset, val);
+	mutex_unlock(&dev->vendor_req_mutex);
+
+	return val;
+}
+
+void mt7601u_wr_copy(struct mt7601u_dev *dev, u32 offset,
+		     const void *data, int len)
+{
+	WARN_ONCE(offset & 3, "unaligned write copy off:%08x", offset);
+	WARN_ONCE(len & 3, "short write copy off:%08x", offset);
+
+	mt7601u_burst_write_regs(dev, offset, data, len / 4);
+}
+
+void mt7601u_addr_wr(struct mt7601u_dev *dev, const u32 offset, const u8 *addr)
+{
+	mt7601u_wr(dev, offset, get_unaligned_le32(addr));
+	mt7601u_wr(dev, offset + 4, addr[4] | addr[5] << 8);
+}
+
+static int mt7601u_assign_pipes(struct usb_interface *usb_intf,
+				struct mt7601u_dev *dev)
+{
+	struct usb_endpoint_descriptor *ep_desc;
+	struct usb_host_interface *intf_desc = usb_intf->cur_altsetting;
+	unsigned i, ep_i = 0, ep_o = 0;
+
+	BUILD_BUG_ON(sizeof(dev->in_eps) < __MT_EP_IN_MAX);
+	BUILD_BUG_ON(sizeof(dev->out_eps) < __MT_EP_OUT_MAX);
+
+	for (i = 0; i < intf_desc->desc.bNumEndpoints; i++) {
+		ep_desc = &intf_desc->endpoint[i].desc;
+
+		if (usb_endpoint_is_bulk_in(ep_desc) &&
+		    ep_i++ < __MT_EP_IN_MAX) {
+			dev->in_eps[ep_i - 1] = usb_endpoint_num(ep_desc);
+			dev->in_max_packet = usb_endpoint_maxp(ep_desc);
+			/* Note: this is ignored by usb sub-system but vendor
+			 *	 code does it. We can drop this at some point.
+			 */
+			dev->in_eps[ep_i - 1] |= USB_DIR_IN;
+		} else if (usb_endpoint_is_bulk_out(ep_desc) &&
+			   ep_o++ < __MT_EP_OUT_MAX) {
+			dev->out_eps[ep_o - 1] = usb_endpoint_num(ep_desc);
+			dev->out_max_packet = usb_endpoint_maxp(ep_desc);
+		}
+	}
+
+	if (ep_i != __MT_EP_IN_MAX || ep_o != __MT_EP_OUT_MAX) {
+		dev_err(dev->dev, "Error: wrong pipe number in:%d out:%d\n",
+			ep_i, ep_o);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int mt7601u_probe(struct usb_interface *usb_intf,
+			 const struct usb_device_id *id)
+{
+	struct usb_device *usb_dev = interface_to_usbdev(usb_intf);
+	struct mt7601u_dev *dev;
+	u32 asic_rev, mac_rev;
+	int ret;
+
+	dev = mt7601u_alloc_device(&usb_intf->dev);
+	if (!dev)
+		return -ENOMEM;
+
+	usb_dev = usb_get_dev(usb_dev);
+	usb_reset_device(usb_dev);
+
+	usb_set_intfdata(usb_intf, dev);
+
+	dev->vend_buf = devm_kmalloc(dev->dev, MT_VEND_BUF, GFP_KERNEL);
+	if (!dev->vend_buf) {
+		ret = -ENOMEM;
+		goto err;
+	}
+
+	ret = mt7601u_assign_pipes(usb_intf, dev);
+	if (ret)
+		goto err;
+	ret = mt7601u_wait_asic_ready(dev);
+	if (ret)
+		goto err;
+
+	asic_rev = mt7601u_rr(dev, MT_ASIC_VERSION);
+	mac_rev = mt7601u_rr(dev, MT_MAC_CSR0);
+	dev_info(dev->dev, "ASIC revision: %08x MAC revision: %08x\n",
+		 asic_rev, mac_rev);
+	if ((asic_rev >> 16) != 0x7601) {
+		ret = -ENODEV;
+		goto err;
+	}
+
+	/* Note: vendor driver skips this check for MT7601U */
+	if (!(mt7601u_rr(dev, MT_EFUSE_CTRL) & MT_EFUSE_CTRL_SEL))
+		dev_warn(dev->dev, "Warning: eFUSE not present\n");
+
+	ret = mt7601u_init_hardware(dev);
+	if (ret)
+		goto err;
+	ret = mt7601u_register_device(dev);
+	if (ret)
+		goto err_hw;
+
+	set_bit(MT7601U_STATE_INITIALIZED, &dev->state);
+
+	return 0;
+err_hw:
+	mt7601u_cleanup(dev);
+err:
+	usb_set_intfdata(usb_intf, NULL);
+	usb_put_dev(interface_to_usbdev(usb_intf));
+
+	destroy_workqueue(dev->stat_wq);
+	ieee80211_free_hw(dev->hw);
+	return ret;
+}
+
+static void mt7601u_disconnect(struct usb_interface *usb_intf)
+{
+	struct mt7601u_dev *dev = usb_get_intfdata(usb_intf);
+
+	ieee80211_unregister_hw(dev->hw);
+	mt7601u_cleanup(dev);
+
+	usb_set_intfdata(usb_intf, NULL);
+	usb_put_dev(interface_to_usbdev(usb_intf));
+
+	destroy_workqueue(dev->stat_wq);
+	ieee80211_free_hw(dev->hw);
+}
+
+static int mt7601u_suspend(struct usb_interface *usb_intf, pm_message_t state)
+{
+	struct mt7601u_dev *dev = usb_get_intfdata(usb_intf);
+
+	mt7601u_cleanup(dev);
+
+	return 0;
+}
+
+static int mt7601u_resume(struct usb_interface *usb_intf)
+{
+	struct mt7601u_dev *dev = usb_get_intfdata(usb_intf);
+	int ret;
+
+	ret = mt7601u_init_hardware(dev);
+	if (ret)
+		return ret;
+
+	set_bit(MT7601U_STATE_INITIALIZED, &dev->state);
+
+	return 0;
+}
+
+MODULE_DEVICE_TABLE(usb, mt7601u_device_table);
+MODULE_FIRMWARE(MT7601U_FIRMWARE);
+MODULE_LICENSE("GPL");
+
+static struct usb_driver mt7601u_driver = {
+	.name		= KBUILD_MODNAME,
+	.id_table	= mt7601u_device_table,
+	.probe		= mt7601u_probe,
+	.disconnect	= mt7601u_disconnect,
+	.suspend	= mt7601u_suspend,
+	.resume		= mt7601u_resume,
+	.reset_resume	= mt7601u_resume,
+	.soft_unbind	= 1,
+	.disable_hub_initiated_lpm = 1,
+};
+module_usb_driver(mt7601u_driver);
diff --git a/drivers/net/wireless/mediatek/mt7601u/usb.h b/drivers/net/wireless/mediatek/mt7601u/usb.h
new file mode 100644
index 000000000..9fdf35970
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/usb.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
+ */
+
+#ifndef __MT7601U_USB_H
+#define __MT7601U_USB_H
+
+#include "mt7601u.h"
+
+#define MT7601U_FIRMWARE	"mt7601u.bin"
+
+#define MT_VEND_REQ_MAX_RETRY	10
+#define MT_VEND_REQ_TOUT_MS	300
+
+#define MT_VEND_DEV_MODE_RESET	1
+
+#define MT_VEND_BUF		sizeof(__le32)
+
+enum mt_vendor_req {
+	MT_VEND_DEV_MODE = 1,
+	MT_VEND_WRITE = 2,
+	MT_VEND_MULTI_READ = 7,
+	MT_VEND_WRITE_FCE = 0x42,
+};
+
+enum mt_usb_ep_in {
+	MT_EP_IN_PKT_RX,
+	MT_EP_IN_CMD_RESP,
+	__MT_EP_IN_MAX,
+};
+
+enum mt_usb_ep_out {
+	MT_EP_OUT_INBAND_CMD,
+	MT_EP_OUT_AC_BK,
+	MT_EP_OUT_AC_BE,
+	MT_EP_OUT_AC_VI,
+	MT_EP_OUT_AC_VO,
+	MT_EP_OUT_HCCA,
+	__MT_EP_OUT_MAX,
+};
+
+static inline struct usb_device *mt7601u_to_usb_dev(struct mt7601u_dev *mt7601u)
+{
+	return interface_to_usbdev(to_usb_interface(mt7601u->dev));
+}
+
+static inline bool mt7601u_urb_has_error(struct urb *urb)
+{
+	return urb->status &&
+		urb->status != -ENOENT &&
+		urb->status != -ECONNRESET &&
+		urb->status != -ESHUTDOWN;
+}
+
+bool mt7601u_usb_alloc_buf(struct mt7601u_dev *dev, size_t len,
+			   struct mt7601u_dma_buf *buf);
+void mt7601u_usb_free_buf(struct mt7601u_dev *dev, struct mt7601u_dma_buf *buf);
+int mt7601u_usb_submit_buf(struct mt7601u_dev *dev, int dir, int ep_idx,
+			   struct mt7601u_dma_buf *buf, gfp_t gfp,
+			   usb_complete_t complete_fn, void *context);
+void mt7601u_complete_urb(struct urb *urb);
+
+int mt7601u_vendor_request(struct mt7601u_dev *dev, const u8 req,
+			   const u8 direction, const u16 val, const u16 offset,
+			   void *buf, const size_t buflen);
+void mt7601u_vendor_reset(struct mt7601u_dev *dev);
+int mt7601u_vendor_single_wr(struct mt7601u_dev *dev, const u8 req,
+			     const u16 offset, const u32 val);
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt7601u/util.c b/drivers/net/wireless/mediatek/mt7601u/util.c
new file mode 100644
index 000000000..050c2dd9d
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt7601u/util.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ */
+
+#include "mt7601u.h"
+
+void mt76_remove_hdr_pad(struct sk_buff *skb)
+{
+	int len = ieee80211_get_hdrlen_from_skb(skb);
+
+	memmove(skb->data + 2, skb->data, len);
+	skb_pull(skb, 2);
+}
+
+int mt76_insert_hdr_pad(struct sk_buff *skb)
+{
+	int len = ieee80211_get_hdrlen_from_skb(skb);
+	int ret;
+
+	if (len % 4 == 0)
+		return 0;
+
+	ret = skb_cow(skb, 2);
+	if (ret)
+		return ret;
+
+	skb_push(skb, 2);
+	memmove(skb->data, skb->data + 2, len);
+
+	skb->data[len] = 0;
+	skb->data[len + 1] = 0;
+	return 0;
+}