diff --git a/drivers/net/wireless/mediatek/mt76/Kconfig b/drivers/net/wireless/mediatek/mt76/Kconfig
index cbc2d8a5d354..41533a0e1720 100644
--- a/drivers/net/wireless/mediatek/mt76/Kconfig
+++ b/drivers/net/wireless/mediatek/mt76/Kconfig
@@ -24,3 +24,4 @@ source "drivers/net/wireless/mediatek/mt76/mt76x0/Kconfig"
 source "drivers/net/wireless/mediatek/mt76/mt76x2/Kconfig"
 source "drivers/net/wireless/mediatek/mt76/mt7603/Kconfig"
 source "drivers/net/wireless/mediatek/mt76/mt7615/Kconfig"
+source "drivers/net/wireless/mediatek/mt76/mt7915/Kconfig"
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile
index d7a1ddc9e407..1df04156f97f 100644
--- a/drivers/net/wireless/mediatek/mt76/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/Makefile
@@ -27,3 +27,4 @@ obj-$(CONFIG_MT76x0_COMMON) += mt76x0/
 obj-$(CONFIG_MT76x2_COMMON) += mt76x2/
 obj-$(CONFIG_MT7603E) += mt7603/
 obj-$(CONFIG_MT7615E) += mt7615/
+obj-$(CONFIG_MT7915E) += mt7915/
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/Kconfig b/drivers/net/wireless/mediatek/mt76/mt7915/Kconfig
new file mode 100644
index 000000000000..d98225da694c
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/Kconfig
@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: ISC
+config MT7915E
+	tristate "MediaTek MT7915E (PCIe) support"
+	select MT76_CORE
+	depends on MAC80211
+	depends on PCI
+	help
+	  This adds support for MT7915-based wireless PCIe devices,
+	  which support concurrent dual-band operation at both 5GHz
+	  and 2.4GHz IEEE 802.11ax 4x4:4SS 1024-QAM, 160MHz channels,
+	  OFDMA, spatial reuse and dual carrier modulation.
+
+	  To compile this driver as a module, choose M here.
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/Makefile b/drivers/net/wireless/mediatek/mt76/mt7915/Makefile
new file mode 100644
index 000000000000..57fe726cc38b
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/Makefile
@@ -0,0 +1,6 @@
+#SPDX-License-Identifier: ISC
+
+obj-$(CONFIG_MT7915E) += mt7915e.o
+
+mt7915e-y := pci.o init.o dma.o eeprom.o main.o mcu.o mac.o \
+	     debugfs.o
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
new file mode 100644
index 000000000000..152ae0617f3d
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -0,0 +1,245 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include "mt7915.h"
+#include "eeprom.h"
+
+/** global debugfs **/
+
+/* test knob of system layer 1/2 error recovery */
+static int mt7915_ser_trigger_set(void *data, u64 val)
+{
+	enum {
+		SER_SET_RECOVER_L1 = 1,
+		SER_SET_RECOVER_L2,
+		SER_ENABLE = 2,
+		SER_RECOVER
+	};
+	struct mt7915_dev *dev = data;
+	int ret = 0;
+
+	switch (val) {
+	case SER_SET_RECOVER_L1:
+	case SER_SET_RECOVER_L2:
+		/* fall through */
+		ret = mt7915_mcu_set_ser(dev, SER_ENABLE, BIT(val), 0);
+		if (ret)
+			return ret;
+
+		return mt7915_mcu_set_ser(dev, SER_RECOVER, val, 0);
+	default:
+		break;
+	}
+
+	return ret;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_ser_trigger, NULL,
+			 mt7915_ser_trigger_set, "%lld\n");
+
+static int
+mt7915_radar_trigger(void *data, u64 val)
+{
+	struct mt7915_dev *dev = data;
+
+	return mt7915_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE, 1, 0, 0);
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL,
+			 mt7915_radar_trigger, "%lld\n");
+
+static int
+mt7915_dbdc_set(void *data, u64 val)
+{
+	struct mt7915_dev *dev = data;
+
+	if (val)
+		mt7915_register_ext_phy(dev);
+	else
+		mt7915_unregister_ext_phy(dev);
+
+	return 0;
+}
+
+static int
+mt7915_dbdc_get(void *data, u64 *val)
+{
+	struct mt7915_dev *dev = data;
+
+	*val = !!mt7915_ext_phy(dev);
+
+	return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_dbdc, mt7915_dbdc_get,
+			 mt7915_dbdc_set, "%lld\n");
+
+static void
+mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy,
+			   struct seq_file *file)
+{
+	struct mt7915_dev *dev = file->private;
+	bool ext_phy = phy != &dev->phy;
+	int bound[15], range[4], i, n;
+
+	if (!phy)
+		return;
+
+	/* Tx ampdu stat */
+	for (i = 0; i < ARRAY_SIZE(range); i++)
+		range[i] = mt76_rr(dev, MT_MIB_ARNG(ext_phy, i));
+
+	for (i = 0; i < ARRAY_SIZE(bound); i++)
+		bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i) + 1;
+
+	seq_printf(file, "\nPhy %d\n", ext_phy);
+
+	seq_printf(file, "Length: %8d | ", bound[0]);
+	for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
+		seq_printf(file, "%3d -%3d | ",
+			   bound[i] + 1, bound[i + 1]);
+
+	seq_puts(file, "\nCount:  ");
+	n = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
+	for (i = 0; i < ARRAY_SIZE(bound); i++)
+		seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i + n]);
+	seq_puts(file, "\n");
+
+	seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
+}
+
+static int
+mt7915_tx_stats_read(struct seq_file *file, void *data)
+{
+	struct mt7915_dev *dev = file->private;
+	int stat[8], i, n;
+
+	mt7915_ampdu_stat_read_phy(&dev->phy, file);
+	mt7915_ampdu_stat_read_phy(mt7915_ext_phy(dev), file);
+
+	/* Tx amsdu info */
+	seq_puts(file, "Tx MSDU stat:\n");
+	for (i = 0, n = 0; i < ARRAY_SIZE(stat); i++) {
+		stat[i] = mt76_rr(dev,  MT_PLE_AMSDU_PACK_MSDU_CNT(i));
+		n += stat[i];
+	}
+
+	for (i = 0; i < ARRAY_SIZE(stat); i++) {
+		seq_printf(file, "AMSDU pack count of %d MSDU in TXD: 0x%x ",
+			   i + 1, stat[i]);
+		if (n != 0)
+			seq_printf(file, "(%d%%)\n", stat[i] * 100 / n);
+		else
+			seq_puts(file, "\n");
+	}
+
+	return 0;
+}
+
+static int
+mt7915_tx_stats_open(struct inode *inode, struct file *f)
+{
+	return single_open(f, mt7915_tx_stats_read, inode->i_private);
+}
+
+static const struct file_operations fops_tx_stats = {
+	.open = mt7915_tx_stats_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+static int mt7915_read_temperature(struct seq_file *s, void *data)
+{
+	struct mt7915_dev *dev = dev_get_drvdata(s->private);
+	int temp;
+
+	/* cpu */
+	temp = mt7915_mcu_get_temperature(dev, 0);
+	seq_printf(s, "Temperature: %d\n", temp);
+
+	return 0;
+}
+
+static int
+mt7915_queues_acq(struct seq_file *s, void *data)
+{
+	struct mt7915_dev *dev = dev_get_drvdata(s->private);
+	int i;
+
+	for (i = 0; i < 16; i++) {
+		int j, acs = i / 4, index = i % 4;
+		u32 ctrl, val, qlen = 0;
+
+		val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index));
+		ctrl = BIT(31) | BIT(15) | (acs << 8);
+
+		for (j = 0; j < 32; j++) {
+			if (val & BIT(j))
+				continue;
+
+			mt76_wr(dev, MT_PLE_FL_Q0_CTRL,
+				ctrl | (j + (index << 5)));
+			qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL,
+					       GENMASK(11, 0));
+		}
+		seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen);
+	}
+
+	return 0;
+}
+
+static int
+mt7915_queues_read(struct seq_file *s, void *data)
+{
+	struct mt7915_dev *dev = dev_get_drvdata(s->private);
+	static const struct {
+		char *queue;
+		int id;
+	} queue_map[] = {
+		{ "WFDMA0", MT_TXQ_BE },
+		{ "MCUWM", MT_TXQ_MCU },
+		{ "MCUWA", MT_TXQ_MCU_WA },
+		{ "MCUFWQ", MT_TXQ_FWDL },
+	};
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(queue_map); i++) {
+		struct mt76_sw_queue *q = &dev->mt76.q_tx[queue_map[i].id];
+
+		if (!q->q)
+			continue;
+
+		seq_printf(s,
+			   "%s:	queued=%d head=%d tail=%d\n",
+			   queue_map[i].queue, q->q->queued, q->q->head,
+			   q->q->tail);
+	}
+
+	return 0;
+}
+
+int mt7915_init_debugfs(struct mt7915_dev *dev)
+{
+	struct dentry *dir;
+
+	dir = mt76_register_debugfs(&dev->mt76);
+	if (!dir)
+		return -ENOMEM;
+
+	debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
+				    mt7915_queues_read);
+	debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir,
+				    mt7915_queues_acq);
+	debugfs_create_file("tx_stats", 0400, dir, dev, &fops_tx_stats);
+	debugfs_create_file("dbdc", 0600, dir, dev, &fops_dbdc);
+	debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern);
+	/* test knobs */
+	debugfs_create_file("radar_trigger", 0200, dir, dev,
+			    &fops_radar_trigger);
+	debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger);
+	debugfs_create_devm_seqfile(dev->mt76.dev, "temperature", dir,
+				    mt7915_read_temperature);
+
+	return 0;
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
new file mode 100644
index 000000000000..0156e6e5933a
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
@@ -0,0 +1,283 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include "mt7915.h"
+#include "../dma.h"
+#include "mac.h"
+
+static int
+mt7915_init_tx_queues(struct mt7915_dev *dev, int n_desc)
+{
+	struct mt76_sw_queue *q;
+	struct mt76_queue *hwq;
+	int err, i;
+
+	hwq = devm_kzalloc(dev->mt76.dev, sizeof(*hwq), GFP_KERNEL);
+	if (!hwq)
+		return -ENOMEM;
+
+	err = mt76_queue_alloc(dev, hwq, MT7915_TXQ_BAND0, n_desc, 0,
+			       MT_TX_RING_BASE);
+	if (err < 0)
+		return err;
+
+	for (i = 0; i < MT_TXQ_MCU; i++) {
+		q = &dev->mt76.q_tx[i];
+		INIT_LIST_HEAD(&q->swq);
+		q->q = hwq;
+	}
+
+	return 0;
+}
+
+static int
+mt7915_init_mcu_queue(struct mt7915_dev *dev, struct mt76_sw_queue *q,
+		      int idx, int n_desc)
+{
+	struct mt76_queue *hwq;
+	int err;
+
+	hwq = devm_kzalloc(dev->mt76.dev, sizeof(*hwq), GFP_KERNEL);
+	if (!hwq)
+		return -ENOMEM;
+
+	err = mt76_queue_alloc(dev, hwq, idx, n_desc, 0, MT_TX_RING_BASE);
+	if (err < 0)
+		return err;
+
+	INIT_LIST_HEAD(&q->swq);
+	q->q = hwq;
+
+	return 0;
+}
+
+void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
+			 struct sk_buff *skb)
+{
+	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+	__le32 *rxd = (__le32 *)skb->data;
+	enum rx_pkt_type type;
+
+	type = FIELD_GET(MT_RXD0_PKT_TYPE, le32_to_cpu(rxd[0]));
+
+	switch (type) {
+	case PKT_TYPE_TXRX_NOTIFY:
+		mt7915_mac_tx_free(dev, skb);
+		break;
+	case PKT_TYPE_RX_EVENT:
+		mt7915_mcu_rx_event(dev, skb);
+		break;
+	case PKT_TYPE_NORMAL:
+		if (!mt7915_mac_fill_rx(dev, skb)) {
+			mt76_rx(&dev->mt76, q, skb);
+			return;
+		}
+		/* fall through */
+	default:
+		dev_kfree_skb(skb);
+		break;
+	}
+}
+
+static int mt7915_poll_tx(struct napi_struct *napi, int budget)
+{
+	static const u8 queue_map[] = {
+		MT_TXQ_MCU,
+		MT_TXQ_MCU_WA,
+		MT_TXQ_BE
+	};
+	struct mt7915_dev *dev;
+	int i;
+
+	dev = container_of(napi, struct mt7915_dev, mt76.tx_napi);
+
+	for (i = 0; i < ARRAY_SIZE(queue_map); i++)
+		mt76_queue_tx_cleanup(dev, queue_map[i], false);
+
+	if (napi_complete_done(napi, 0))
+		mt7915_irq_enable(dev, MT_INT_TX_DONE_ALL);
+
+	for (i = 0; i < ARRAY_SIZE(queue_map); i++)
+		mt76_queue_tx_cleanup(dev, queue_map[i], false);
+
+	mt7915_mac_sta_poll(dev);
+
+	tasklet_schedule(&dev->mt76.tx_tasklet);
+
+	return 0;
+}
+
+void mt7915_dma_prefetch(struct mt7915_dev *dev)
+{
+#define PREFETCH(base, depth)	((base) << 16 | (depth))
+
+	mt76_wr(dev, MT_WFDMA0_RX_RING0_EXT_CTRL, PREFETCH(0x0, 0x4));
+	mt76_wr(dev, MT_WFDMA0_RX_RING1_EXT_CTRL, PREFETCH(0x40, 0x4));
+	mt76_wr(dev, MT_WFDMA0_RX_RING2_EXT_CTRL, PREFETCH(0x80, 0x0));
+
+	mt76_wr(dev, MT_WFDMA1_TX_RING0_EXT_CTRL, PREFETCH(0x80, 0x4));
+	mt76_wr(dev, MT_WFDMA1_TX_RING1_EXT_CTRL, PREFETCH(0xc0, 0x4));
+	mt76_wr(dev, MT_WFDMA1_TX_RING2_EXT_CTRL, PREFETCH(0x100, 0x4));
+	mt76_wr(dev, MT_WFDMA1_TX_RING3_EXT_CTRL, PREFETCH(0x140, 0x4));
+	mt76_wr(dev, MT_WFDMA1_TX_RING4_EXT_CTRL, PREFETCH(0x180, 0x4));
+	mt76_wr(dev, MT_WFDMA1_TX_RING5_EXT_CTRL, PREFETCH(0x1c0, 0x4));
+	mt76_wr(dev, MT_WFDMA1_TX_RING6_EXT_CTRL, PREFETCH(0x200, 0x4));
+	mt76_wr(dev, MT_WFDMA1_TX_RING7_EXT_CTRL, PREFETCH(0x240, 0x4));
+
+	mt76_wr(dev, MT_WFDMA1_TX_RING16_EXT_CTRL, PREFETCH(0x280, 0x4));
+	mt76_wr(dev, MT_WFDMA1_TX_RING17_EXT_CTRL, PREFETCH(0x2c0, 0x4));
+	mt76_wr(dev, MT_WFDMA1_TX_RING18_EXT_CTRL, PREFETCH(0x300, 0x4));
+	mt76_wr(dev, MT_WFDMA1_TX_RING19_EXT_CTRL, PREFETCH(0x340, 0x4));
+	mt76_wr(dev, MT_WFDMA1_TX_RING20_EXT_CTRL, PREFETCH(0x380, 0x4));
+	mt76_wr(dev, MT_WFDMA1_TX_RING21_EXT_CTRL, PREFETCH(0x3c0, 0x0));
+
+	mt76_wr(dev, MT_WFDMA1_RX_RING0_EXT_CTRL, PREFETCH(0x3c0, 0x4));
+	mt76_wr(dev, MT_WFDMA1_RX_RING1_EXT_CTRL, PREFETCH(0x400, 0x4));
+	mt76_wr(dev, MT_WFDMA1_RX_RING2_EXT_CTRL, PREFETCH(0x440, 0x4));
+	mt76_wr(dev, MT_WFDMA1_RX_RING3_EXT_CTRL, PREFETCH(0x480, 0x0));
+}
+
+int mt7915_dma_init(struct mt7915_dev *dev)
+{
+	int ret;
+
+	mt76_dma_attach(&dev->mt76);
+
+	/* configure global setting */
+	mt76_set(dev, MT_WFDMA1_GLO_CFG,
+		 MT_WFDMA1_GLO_CFG_OMIT_TX_INFO |
+		 MT_WFDMA1_GLO_CFG_OMIT_RX_INFO);
+
+	/* configure perfetch settings */
+	mt7915_dma_prefetch(dev);
+
+	/* reset dma idx */
+	mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR, ~0);
+	mt76_wr(dev, MT_WFDMA1_RST_DTX_PTR, ~0);
+
+	/* configure delay interrupt */
+	mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0, 0);
+	mt76_wr(dev, MT_WFDMA1_PRI_DLY_INT_CFG0, 0);
+
+	/* init tx queue */
+	ret = mt7915_init_tx_queues(dev, MT7915_TX_RING_SIZE);
+	if (ret)
+		return ret;
+
+	/* command to WM */
+	ret = mt7915_init_mcu_queue(dev, &dev->mt76.q_tx[MT_TXQ_MCU],
+				    MT7915_TXQ_MCU_WM,
+				    MT7915_TX_MCU_RING_SIZE);
+	if (ret)
+		return ret;
+
+	/* command to WA */
+	ret = mt7915_init_mcu_queue(dev, &dev->mt76.q_tx[MT_TXQ_MCU_WA],
+				    MT7915_TXQ_MCU_WA,
+				    MT7915_TX_MCU_RING_SIZE);
+	if (ret)
+		return ret;
+
+	/* firmware download */
+	ret = mt7915_init_mcu_queue(dev, &dev->mt76.q_tx[MT_TXQ_FWDL],
+				    MT7915_TXQ_FWDL,
+				    MT7915_TX_FWDL_RING_SIZE);
+	if (ret)
+		return ret;
+
+	/* event from WM */
+	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU],
+			       MT7915_RXQ_MCU_WM, MT7915_RX_MCU_RING_SIZE,
+			       MT_RX_BUF_SIZE, MT_RX_EVENT_RING_BASE);
+	if (ret)
+		return ret;
+
+	/* event from WA */
+	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA],
+			       MT7915_RXQ_MCU_WA, MT7915_RX_MCU_RING_SIZE,
+			       MT_RX_BUF_SIZE, MT_RX_EVENT_RING_BASE);
+	if (ret)
+		return ret;
+
+	/* rx data */
+	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN], 0,
+			       MT7915_RX_RING_SIZE, MT_RX_BUF_SIZE,
+			       MT_RX_DATA_RING_BASE);
+	if (ret)
+		return ret;
+
+	ret = mt76_init_queues(dev);
+	if (ret < 0)
+		return ret;
+
+	netif_tx_napi_add(&dev->mt76.napi_dev, &dev->mt76.tx_napi,
+			  mt7915_poll_tx, NAPI_POLL_WEIGHT);
+	napi_enable(&dev->mt76.tx_napi);
+
+	/* hif wait WFDMA idle */
+	mt76_set(dev, MT_WFDMA0_BUSY_ENA,
+		 MT_WFDMA0_BUSY_ENA_TX_FIFO0 |
+		 MT_WFDMA0_BUSY_ENA_TX_FIFO1 |
+		 MT_WFDMA0_BUSY_ENA_RX_FIFO);
+
+	mt76_set(dev, MT_WFDMA1_BUSY_ENA,
+		 MT_WFDMA1_BUSY_ENA_TX_FIFO0 |
+		 MT_WFDMA1_BUSY_ENA_TX_FIFO1 |
+		 MT_WFDMA1_BUSY_ENA_RX_FIFO);
+
+	mt76_set(dev, MT_WFDMA0_PCIE1_BUSY_ENA,
+		 MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO0 |
+		 MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO1 |
+		 MT_WFDMA0_PCIE1_BUSY_ENA_RX_FIFO);
+
+	mt76_set(dev, MT_WFDMA1_PCIE1_BUSY_ENA,
+		 MT_WFDMA1_PCIE1_BUSY_ENA_TX_FIFO0 |
+		 MT_WFDMA1_PCIE1_BUSY_ENA_TX_FIFO1 |
+		 MT_WFDMA1_PCIE1_BUSY_ENA_RX_FIFO);
+
+	mt76_poll(dev, MT_WFDMA_EXT_CSR_HIF_MISC,
+		  MT_WFDMA_EXT_CSR_HIF_MISC_BUSY, 0, 1000);
+
+	/* set WFDMA Tx/Rx */
+	mt76_set(dev, MT_WFDMA0_GLO_CFG,
+		 MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+	mt76_set(dev, MT_WFDMA1_GLO_CFG,
+		 MT_WFDMA1_GLO_CFG_TX_DMA_EN | MT_WFDMA1_GLO_CFG_RX_DMA_EN);
+
+	/* enable interrupts for TX/RX rings */
+	mt7915_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL |
+			  MT_INT_MCU_CMD);
+
+	return 0;
+}
+
+void mt7915_dma_cleanup(struct mt7915_dev *dev)
+{
+	/* disable */
+	mt76_clear(dev, MT_WFDMA0_GLO_CFG,
+		   MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+		   MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+	mt76_clear(dev, MT_WFDMA1_GLO_CFG,
+		   MT_WFDMA1_GLO_CFG_TX_DMA_EN |
+		   MT_WFDMA1_GLO_CFG_RX_DMA_EN);
+
+	/* reset */
+	mt76_clear(dev, MT_WFDMA1_RST,
+		   MT_WFDMA1_RST_DMASHDL_ALL_RST |
+		   MT_WFDMA1_RST_LOGIC_RST);
+
+	mt76_set(dev, MT_WFDMA1_RST,
+		 MT_WFDMA1_RST_DMASHDL_ALL_RST |
+		 MT_WFDMA1_RST_LOGIC_RST);
+
+	mt76_clear(dev, MT_WFDMA0_RST,
+		   MT_WFDMA0_RST_DMASHDL_ALL_RST |
+		   MT_WFDMA0_RST_LOGIC_RST);
+
+	mt76_set(dev, MT_WFDMA0_RST,
+		 MT_WFDMA0_RST_DMASHDL_ALL_RST |
+		 MT_WFDMA0_RST_LOGIC_RST);
+
+	tasklet_kill(&dev->mt76.tx_tasklet);
+	mt76_dma_cleanup(&dev->mt76);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
new file mode 100644
index 000000000000..2099dd40530f
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
@@ -0,0 +1,125 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include "mt7915.h"
+#include "eeprom.h"
+
+static inline bool mt7915_efuse_valid(u8 val)
+{
+	return !(val == 0xff);
+}
+
+u32 mt7915_eeprom_read(struct mt7915_dev *dev, u32 offset)
+{
+	u8 *data = dev->mt76.eeprom.data;
+
+	if (!mt7915_efuse_valid(data[offset]))
+		mt7915_mcu_get_eeprom(dev, offset);
+
+	return data[offset];
+}
+
+static int mt7915_eeprom_load(struct mt7915_dev *dev)
+{
+	int ret;
+
+	ret = mt76_eeprom_init(&dev->mt76, MT7915_EEPROM_SIZE);
+	if (ret < 0)
+		return ret;
+
+	memset(dev->mt76.eeprom.data, -1, MT7915_EEPROM_SIZE);
+
+	return 0;
+}
+
+static int mt7915_check_eeprom(struct mt7915_dev *dev)
+{
+	u16 val;
+	u8 *eeprom = dev->mt76.eeprom.data;
+
+	mt7915_eeprom_read(dev, 0);
+	val = get_unaligned_le16(eeprom);
+
+	switch (val) {
+	case 0x7915:
+		return 0;
+	default:
+		return -EINVAL;
+	}
+}
+
+static void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev)
+{
+	u8 *eeprom = dev->mt76.eeprom.data;
+	u8 tx_mask, max_nss = 4;
+	u32 val = mt7915_eeprom_read(dev, MT_EE_WIFI_CONF);
+
+	val = FIELD_GET(MT_EE_WIFI_CONF_BAND_SEL, val);
+	switch (val) {
+	case MT_EE_5GHZ:
+		dev->mt76.cap.has_5ghz = true;
+		break;
+	case MT_EE_2GHZ:
+		dev->mt76.cap.has_2ghz = true;
+		break;
+	default:
+		dev->mt76.cap.has_2ghz = true;
+		dev->mt76.cap.has_5ghz = true;
+		break;
+	}
+
+	/* read tx mask from eeprom */
+	tx_mask =  FIELD_GET(MT_EE_WIFI_CONF_TX_MASK,
+			     eeprom[MT_EE_WIFI_CONF]);
+	if (!tx_mask || tx_mask > max_nss)
+		tx_mask = max_nss;
+
+	dev->chainmask = BIT(tx_mask) - 1;
+	dev->mphy.antenna_mask = dev->chainmask;
+	dev->phy.chainmask = dev->chainmask;
+}
+
+int mt7915_eeprom_init(struct mt7915_dev *dev)
+{
+	int ret;
+
+	ret = mt7915_eeprom_load(dev);
+	if (ret < 0)
+		return ret;
+
+	ret = mt7915_check_eeprom(dev);
+	if (ret)
+		return ret;
+
+	mt7915_eeprom_parse_hw_cap(dev);
+	memcpy(dev->mt76.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
+	       ETH_ALEN);
+
+	mt76_eeprom_override(&dev->mt76);
+
+	return 0;
+}
+
+int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
+				   struct ieee80211_channel *chan,
+				   u8 chain_idx)
+{
+	int index;
+	bool tssi_on;
+
+	if (chain_idx > 3)
+		return -EINVAL;
+
+	tssi_on = mt7915_tssi_enabled(dev, chan->band);
+
+	if (chan->band == NL80211_BAND_2GHZ) {
+		index = MT_EE_TX0_POWER_2G + chain_idx * 3 + !tssi_on;
+	} else {
+		int group = tssi_on ?
+			    mt7915_get_channel_group(chan->hw_value) : 8;
+
+		index = MT_EE_TX0_POWER_5G + chain_idx * 12 + group;
+	}
+
+	return mt7915_eeprom_read(dev, index);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
new file mode 100644
index 000000000000..30fc607e466d
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#ifndef __MT7915_EEPROM_H
+#define __MT7915_EEPROM_H
+
+#include "mt7915.h"
+
+struct cal_data {
+	u8 count;
+	u16 offset[60];
+};
+
+enum mt7915_eeprom_field {
+	MT_EE_CHIP_ID =		0x000,
+	MT_EE_VERSION =		0x002,
+	MT_EE_MAC_ADDR =	0x004,
+	MT_EE_DDIE_FT_VERSION =	0x050,
+	MT_EE_WIFI_CONF =	0x190,
+	MT_EE_TX0_POWER_2G =	0x2fc,
+	MT_EE_TX0_POWER_5G =	0x34b,
+	MT_EE_ADIE_FT_VERSION =	0x9a0,
+
+	__MT_EE_MAX =		0xe00
+};
+
+#define MT_EE_WIFI_CONF_TX_MASK			GENMASK(2, 0)
+#define MT_EE_WIFI_CONF_BAND_SEL		GENMASK(7, 6)
+#define MT_EE_WIFI_CONF_TSSI0_2G		BIT(0)
+#define MT_EE_WIFI_CONF_TSSI0_5G		BIT(2)
+#define MT_EE_WIFI_CONF_TSSI1_5G		BIT(4)
+
+enum mt7915_eeprom_band {
+	MT_EE_DUAL_BAND,
+	MT_EE_5GHZ,
+	MT_EE_2GHZ,
+	MT_EE_DBDC,
+};
+
+struct sku_group {
+	u8 len;
+	u16 offset[2];
+	const u8 *delta_map;
+};
+
+static inline int
+mt7915_get_channel_group(int channel)
+{
+	if (channel >= 184 && channel <= 196)
+		return 0;
+	if (channel <= 48)
+		return 1;
+	if (channel <= 64)
+		return 2;
+	if (channel <= 96)
+		return 3;
+	if (channel <= 112)
+		return 4;
+	if (channel <= 128)
+		return 5;
+	if (channel <= 144)
+		return 6;
+	return 7;
+}
+
+static inline bool
+mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
+{
+	u8 *eep = dev->mt76.eeprom.data;
+
+	/* TODO: DBDC */
+	if (band == NL80211_BAND_5GHZ)
+		return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF_TSSI0_5G;
+	else
+		return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF_TSSI0_2G;
+}
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
new file mode 100644
index 000000000000..fb596afdf0be
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -0,0 +1,395 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/etherdevice.h>
+#include "mt7915.h"
+#include "mac.h"
+#include "eeprom.h"
+
+static void
+mt7915_mac_init_band(struct mt7915_dev *dev, u8 band)
+{
+	u32 mask, set;
+
+	mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
+		       MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
+	mt76_set(dev, MT_TMAC_CTCR0(band),
+		 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
+		 MT_TMAC_CTCR0_INS_DDLMT_EN);
+
+	mask = MT_MDP_RCFR0_MCU_RX_MGMT |
+	       MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR |
+	       MT_MDP_RCFR0_MCU_RX_CTL_BAR;
+	set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) |
+	      FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) |
+	      FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF);
+	mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set);
+
+	mask = MT_MDP_RCFR1_MCU_RX_BYPASS |
+	       MT_MDP_RCFR1_RX_DROPPED_UCAST |
+	       MT_MDP_RCFR1_RX_DROPPED_MCAST;
+	set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) |
+	      FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) |
+	      FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF);
+	mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set);
+
+	mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
+	mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
+}
+
+static void mt7915_mac_init(struct mt7915_dev *dev)
+{
+	int i;
+
+	mt76_rmw_field(dev, MT_DMA_DCR0, MT_DMA_DCR0_MAX_RX_LEN, 1536);
+	mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536);
+	/* disable hardware de-agg */
+	mt76_clear(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
+
+	for (i = 0; i < MT7915_WTBL_SIZE; i++)
+		mt7915_mac_wtbl_update(dev, i,
+				       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+
+	mt7915_mac_init_band(dev, 0);
+	mt7915_mac_init_band(dev, 1);
+	mt7915_mcu_set_rts_thresh(&dev->phy, 0x92b);
+}
+
+static void
+mt7915_init_txpower_band(struct mt7915_dev *dev,
+			 struct ieee80211_supported_band *sband)
+{
+	int i, n_chains = hweight8(dev->mphy.antenna_mask);
+
+	for (i = 0; i < sband->n_channels; i++) {
+		struct ieee80211_channel *chan = &sband->channels[i];
+		u32 target_power = 0;
+		int j;
+
+		for (j = 0; j < n_chains; j++) {
+			u32 val;
+
+			val = mt7915_eeprom_get_target_power(dev, chan, j);
+			target_power = max(target_power, val);
+		}
+
+		chan->max_power = min_t(int, chan->max_reg_power,
+					target_power / 2);
+		chan->orig_mpwr = target_power / 2;
+	}
+}
+
+static void mt7915_init_txpower(struct mt7915_dev *dev)
+{
+	mt7915_init_txpower_band(dev, &dev->mphy.sband_2g.sband);
+	mt7915_init_txpower_band(dev, &dev->mphy.sband_5g.sband);
+}
+
+static void mt7915_init_work(struct work_struct *work)
+{
+	struct mt7915_dev *dev = container_of(work, struct mt7915_dev,
+				 init_work);
+
+	mt7915_mcu_set_eeprom(dev);
+	mt7915_mac_init(dev);
+	mt7915_init_txpower(dev);
+}
+
+static int mt7915_init_hardware(struct mt7915_dev *dev)
+{
+	int ret, idx;
+
+	mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);
+
+	INIT_WORK(&dev->init_work, mt7915_init_work);
+	spin_lock_init(&dev->token_lock);
+	idr_init(&dev->token);
+
+	ret = mt7915_dma_init(dev);
+	if (ret)
+		return ret;
+
+	set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
+
+	ret = mt7915_mcu_init(dev);
+	if (ret)
+		return ret;
+
+	ret = mt7915_eeprom_init(dev);
+	if (ret < 0)
+		return ret;
+
+	/* Beacon and mgmt frames should occupy wcid 0 */
+	idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1);
+	if (idx)
+		return -ENOSPC;
+
+	dev->mt76.global_wcid.idx = idx;
+	dev->mt76.global_wcid.hw_key_idx = -1;
+	dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
+	rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
+
+	return 0;
+}
+
+#define CCK_RATE(_idx, _rate) {						\
+	.bitrate = _rate,						\
+	.flags = IEEE80211_RATE_SHORT_PREAMBLE,				\
+	.hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx),			\
+	.hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + (_idx)),	\
+}
+
+#define OFDM_RATE(_idx, _rate) {					\
+	.bitrate = _rate,						\
+	.hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx),			\
+	.hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx),		\
+}
+
+static struct ieee80211_rate mt7915_rates[] = {
+	CCK_RATE(0, 10),
+	CCK_RATE(1, 20),
+	CCK_RATE(2, 55),
+	CCK_RATE(3, 110),
+	OFDM_RATE(11, 60),
+	OFDM_RATE(15, 90),
+	OFDM_RATE(10, 120),
+	OFDM_RATE(14, 180),
+	OFDM_RATE(9,  240),
+	OFDM_RATE(13, 360),
+	OFDM_RATE(8,  480),
+	OFDM_RATE(12, 540),
+};
+
+static const struct ieee80211_iface_limit if_limits[] = {
+	{
+		.max = 1,
+		.types = BIT(NL80211_IFTYPE_ADHOC)
+	}, {
+		.max = MT7915_MAX_INTERFACES,
+		.types = BIT(NL80211_IFTYPE_AP) |
+#ifdef CONFIG_MAC80211_MESH
+			 BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+			 BIT(NL80211_IFTYPE_STATION)
+	}
+};
+
+static const struct ieee80211_iface_combination if_comb[] = {
+	{
+		.limits = if_limits,
+		.n_limits = ARRAY_SIZE(if_limits),
+		.max_interfaces = 4,
+		.num_different_channels = 1,
+		.beacon_int_infra_match = true,
+		.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+				       BIT(NL80211_CHAN_WIDTH_20) |
+				       BIT(NL80211_CHAN_WIDTH_40) |
+				       BIT(NL80211_CHAN_WIDTH_80) |
+				       BIT(NL80211_CHAN_WIDTH_160) |
+				       BIT(NL80211_CHAN_WIDTH_80P80),
+	}
+};
+
+static void
+mt7915_regd_notifier(struct wiphy *wiphy,
+		     struct regulatory_request *request)
+{
+	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct mt76_phy *mphy = hw->priv;
+	struct mt7915_phy *phy = mphy->priv;
+	struct cfg80211_chan_def *chandef = &mphy->chandef;
+
+	dev->mt76.region = request->dfs_region;
+
+	if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
+		return;
+
+	mt7915_dfs_init_radar_detector(phy);
+}
+
+static void
+mt7915_init_wiphy(struct ieee80211_hw *hw)
+{
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+	struct wiphy *wiphy = hw->wiphy;
+
+	hw->queues = 4;
+	hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
+	hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
+
+	phy->slottime = 9;
+
+	hw->sta_data_size = sizeof(struct mt7915_sta);
+	hw->vif_data_size = sizeof(struct mt7915_vif);
+
+	wiphy->iface_combinations = if_comb;
+	wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
+	wiphy->reg_notifier = mt7915_regd_notifier;
+	wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
+
+	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
+
+	ieee80211_hw_set(hw, HAS_RATE_CONTROL);
+
+	hw->max_tx_fragments = 4;
+}
+
+static void
+mt7915_cap_dbdc_enable(struct mt7915_dev *dev)
+{
+	dev->mphy.sband_5g.sband.vht_cap.cap &=
+			~(IEEE80211_VHT_CAP_SHORT_GI_160 |
+			  IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ);
+
+	if (dev->chainmask == 0xf)
+		dev->mphy.antenna_mask = dev->chainmask >> 2;
+	else
+		dev->mphy.antenna_mask = dev->chainmask >> 1;
+
+	dev->phy.chainmask = dev->mphy.antenna_mask;
+	dev->mphy.hw->wiphy->available_antennas_rx = dev->phy.chainmask;
+	dev->mphy.hw->wiphy->available_antennas_tx = dev->phy.chainmask;
+
+	mt76_set_stream_caps(&dev->mt76, true);
+}
+
+static void
+mt7915_cap_dbdc_disable(struct mt7915_dev *dev)
+{
+	dev->mphy.sband_5g.sband.vht_cap.cap |=
+			IEEE80211_VHT_CAP_SHORT_GI_160 |
+			IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
+
+	dev->mphy.antenna_mask = dev->chainmask;
+	dev->phy.chainmask = dev->chainmask;
+	dev->mphy.hw->wiphy->available_antennas_rx = dev->chainmask;
+	dev->mphy.hw->wiphy->available_antennas_tx = dev->chainmask;
+
+	mt76_set_stream_caps(&dev->mt76, true);
+}
+
+int mt7915_register_ext_phy(struct mt7915_dev *dev)
+{
+	struct mt7915_phy *phy = mt7915_ext_phy(dev);
+	struct mt76_phy *mphy;
+	int ret;
+	bool bound;
+
+	/* TODO: enble DBDC */
+	bound = mt7915_l1_rr(dev, MT_HW_BOUND) & BIT(5);
+	if (!bound)
+		return -EINVAL;
+
+	if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
+		return -EINVAL;
+
+	if (phy)
+		return 0;
+
+	mt7915_cap_dbdc_enable(dev);
+	mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops);
+	if (!mphy)
+		return -ENOMEM;
+
+	phy = mphy->priv;
+	phy->dev = dev;
+	phy->mt76 = mphy;
+	phy->chainmask = dev->chainmask & ~dev->phy.chainmask;
+	mphy->antenna_mask = BIT(hweight8(phy->chainmask)) - 1;
+	mt7915_init_wiphy(mphy->hw);
+
+	/*
+	 * Make the secondary PHY MAC address local without overlapping with
+	 * the usual MAC address allocation scheme on multiple virtual interfaces
+	 */
+	mphy->hw->wiphy->perm_addr[0] |= 2;
+	mphy->hw->wiphy->perm_addr[0] ^= BIT(7);
+
+	/* The second interface does not get any packets unless it has a vif */
+	ieee80211_hw_set(mphy->hw, WANT_MONITOR_VIF);
+
+	ret = mt76_register_phy(mphy);
+	if (ret)
+		ieee80211_free_hw(mphy->hw);
+
+	return ret;
+}
+
+void mt7915_unregister_ext_phy(struct mt7915_dev *dev)
+{
+	struct mt7915_phy *phy = mt7915_ext_phy(dev);
+	struct mt76_phy *mphy = dev->mt76.phy2;
+
+	if (!phy)
+		return;
+
+	mt7915_cap_dbdc_disable(dev);
+	mt76_unregister_phy(mphy);
+	ieee80211_free_hw(mphy->hw);
+}
+
+int mt7915_register_device(struct mt7915_dev *dev)
+{
+	struct ieee80211_hw *hw = mt76_hw(dev);
+	int ret;
+
+	dev->phy.dev = dev;
+	dev->phy.mt76 = &dev->mt76.phy;
+	dev->mt76.phy.priv = &dev->phy;
+	INIT_DELAYED_WORK(&dev->mt76.mac_work, mt7915_mac_work);
+	INIT_LIST_HEAD(&dev->sta_poll_list);
+	spin_lock_init(&dev->sta_poll_lock);
+
+	init_waitqueue_head(&dev->reset_wait);
+	INIT_WORK(&dev->reset_work, mt7915_mac_reset_work);
+
+	ret = mt7915_init_hardware(dev);
+	if (ret)
+		return ret;
+
+	mt7915_init_wiphy(hw);
+	dev->mphy.sband_2g.sband.ht_cap.cap |=
+			IEEE80211_HT_CAP_LDPC_CODING |
+			IEEE80211_HT_CAP_MAX_AMSDU;
+	dev->mphy.sband_5g.sband.ht_cap.cap |=
+			IEEE80211_HT_CAP_LDPC_CODING |
+			IEEE80211_HT_CAP_MAX_AMSDU;
+	dev->mphy.sband_5g.sband.vht_cap.cap |=
+			IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
+			IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
+	mt7915_cap_dbdc_disable(dev);
+	dev->phy.dfs_state = -1;
+
+	ret = mt76_register_device(&dev->mt76, true, mt7915_rates,
+				   ARRAY_SIZE(mt7915_rates));
+	if (ret)
+		return ret;
+
+	ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
+
+	return mt7915_init_debugfs(dev);
+}
+
+void mt7915_unregister_device(struct mt7915_dev *dev)
+{
+	struct mt76_txwi_cache *txwi;
+	int id;
+
+	mt7915_unregister_ext_phy(dev);
+	mt76_unregister_device(&dev->mt76);
+	mt7915_mcu_exit(dev);
+	mt7915_dma_cleanup(dev);
+
+	spin_lock_bh(&dev->token_lock);
+	idr_for_each_entry(&dev->token, txwi, id) {
+		mt7915_txp_skb_unmap(&dev->mt76, txwi);
+		if (txwi->skb)
+			dev_kfree_skb_any(txwi->skb);
+		mt76_put_txwi(&dev->mt76, txwi);
+	}
+	spin_unlock_bh(&dev->token_lock);
+	idr_destroy(&dev->token);
+
+	mt76_free_device(&dev->mt76);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
new file mode 100644
index 000000000000..b7fed642865c
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -0,0 +1,1294 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/etherdevice.h>
+#include <linux/timekeeping.h>
+#include "mt7915.h"
+#include "../dma.h"
+#include "mac.h"
+
+#define to_rssi(field, rxv)	((FIELD_GET(field, rxv) - 220) / 2)
+
+static const struct mt7915_dfs_radar_spec etsi_radar_specs = {
+	.pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
+	.radar_pattern = {
+		[5] =  { 1, 0,  6, 32, 28, 0,  990, 5010, 17, 1, 1 },
+		[6] =  { 1, 0,  9, 32, 28, 0,  615, 5010, 27, 1, 1 },
+		[7] =  { 1, 0, 15, 32, 28, 0,  240,  445, 27, 1, 1 },
+		[8] =  { 1, 0, 12, 32, 28, 0,  240,  510, 42, 1, 1 },
+		[9] =  { 1, 1,  0,  0,  0, 0, 2490, 3343, 14, 0, 0, 12, 32, 28, { }, 126 },
+		[10] = { 1, 1,  0,  0,  0, 0, 2490, 3343, 14, 0, 0, 15, 32, 24, { }, 126 },
+		[11] = { 1, 1,  0,  0,  0, 0,  823, 2510, 14, 0, 0, 18, 32, 28, { },  54 },
+		[12] = { 1, 1,  0,  0,  0, 0,  823, 2510, 14, 0, 0, 27, 32, 24, { },  54 },
+	},
+};
+
+static const struct mt7915_dfs_radar_spec fcc_radar_specs = {
+	.pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
+	.radar_pattern = {
+		[0] = { 1, 0,  8,  32, 28, 0, 508, 3076, 13, 1,  1 },
+		[1] = { 1, 0, 12,  32, 28, 0, 140,  240, 17, 1,  1 },
+		[2] = { 1, 0,  8,  32, 28, 0, 190,  510, 22, 1,  1 },
+		[3] = { 1, 0,  6,  32, 28, 0, 190,  510, 32, 1,  1 },
+		[4] = { 1, 0,  9, 255, 28, 0, 323,  343, 13, 1, 32 },
+	},
+};
+
+static const struct mt7915_dfs_radar_spec jp_radar_specs = {
+	.pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
+	.radar_pattern = {
+		[0] =  { 1, 0,  8,  32, 28, 0,  508, 3076,  13, 1,  1 },
+		[1] =  { 1, 0, 12,  32, 28, 0,  140,  240,  17, 1,  1 },
+		[2] =  { 1, 0,  8,  32, 28, 0,  190,  510,  22, 1,  1 },
+		[3] =  { 1, 0,  6,  32, 28, 0,  190,  510,  32, 1,  1 },
+		[4] =  { 1, 0,  9, 255, 28, 0,  323,  343,  13, 1, 32 },
+		[13] = { 1, 0,  7,  32, 28, 0, 3836, 3856,  14, 1,  1 },
+		[14] = { 1, 0,  6,  32, 28, 0,  615, 5010, 110, 1,  1 },
+		[15] = { 1, 1,  0,   0,  0, 0,   15, 5010, 110, 0,  0, 12, 32, 28 },
+	},
+};
+
+static struct mt76_wcid *mt7915_rx_get_wcid(struct mt7915_dev *dev,
+					    u16 idx, bool unicast)
+{
+	struct mt7915_sta *sta;
+	struct mt76_wcid *wcid;
+
+	if (idx >= ARRAY_SIZE(dev->mt76.wcid))
+		return NULL;
+
+	wcid = rcu_dereference(dev->mt76.wcid[idx]);
+	if (unicast || !wcid)
+		return wcid;
+
+	if (!wcid->sta)
+		return NULL;
+
+	sta = container_of(wcid, struct mt7915_sta, wcid);
+	if (!sta->vif)
+		return NULL;
+
+	return &sta->vif->sta.wcid;
+}
+
+void mt7915_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps)
+{
+}
+
+bool mt7915_mac_wtbl_update(struct mt7915_dev *dev, int idx, u32 mask)
+{
+	mt76_rmw(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_WLAN_IDX,
+		 FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, idx) | mask);
+
+	return mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY,
+			 0, 5000);
+}
+
+static u32 mt7915_mac_wtbl_lmac_read(struct mt7915_dev *dev, u16 wcid,
+				     u16 addr)
+{
+	mt76_wr(dev, MT_WTBLON_TOP_WDUCR,
+		FIELD_PREP(MT_WTBLON_TOP_WDUCR_GROUP, (wcid >> 7)));
+
+	return mt76_rr(dev, MT_WTBL_LMAC_OFFS(wcid, addr));
+}
+
+/* TODO: use txfree airtime info to avoid runtime accessing in the long run */
+void mt7915_mac_sta_poll(struct mt7915_dev *dev)
+{
+	static const u8 ac_to_tid[] = {
+		[IEEE80211_AC_BE] = 0,
+		[IEEE80211_AC_BK] = 1,
+		[IEEE80211_AC_VI] = 4,
+		[IEEE80211_AC_VO] = 6
+	};
+	static const u8 hw_queue_map[] = {
+		[IEEE80211_AC_BK] = 0,
+		[IEEE80211_AC_BE] = 1,
+		[IEEE80211_AC_VI] = 2,
+		[IEEE80211_AC_VO] = 3,
+	};
+	struct ieee80211_sta *sta;
+	struct mt7915_sta *msta;
+	u32 tx_time[IEEE80211_NUM_ACS], rx_time[IEEE80211_NUM_ACS];
+	int i;
+
+	rcu_read_lock();
+
+	while (true) {
+		bool clear = false;
+		u16 idx;
+
+		spin_lock_bh(&dev->sta_poll_lock);
+		if (list_empty(&dev->sta_poll_list)) {
+			spin_unlock_bh(&dev->sta_poll_lock);
+			break;
+		}
+		msta = list_first_entry(&dev->sta_poll_list,
+					struct mt7915_sta, poll_list);
+		list_del_init(&msta->poll_list);
+		spin_unlock_bh(&dev->sta_poll_lock);
+
+		for (i = 0, idx = msta->wcid.idx; i < IEEE80211_NUM_ACS; i++) {
+			u32 tx_last = msta->airtime_ac[i];
+			u32 rx_last = msta->airtime_ac[i + IEEE80211_NUM_ACS];
+
+			msta->airtime_ac[i] =
+				mt7915_mac_wtbl_lmac_read(dev, idx, 20 + i);
+			msta->airtime_ac[i + IEEE80211_NUM_ACS] =
+				mt7915_mac_wtbl_lmac_read(dev, idx, 21 + i);
+			tx_time[i] = msta->airtime_ac[i] - tx_last;
+			rx_time[i] = msta->airtime_ac[i + IEEE80211_NUM_ACS] -
+				     rx_last;
+
+			if ((tx_last | rx_last) & BIT(30))
+				clear = true;
+		}
+
+		if (clear) {
+			mt7915_mac_wtbl_update(dev, idx,
+					       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+			memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac));
+		}
+
+		if (!msta->wcid.sta)
+			continue;
+
+		sta = container_of((void *)msta, struct ieee80211_sta,
+				   drv_priv);
+		for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+			u32 tx_cur = tx_time[i];
+			u32 rx_cur = rx_time[hw_queue_map[i]];
+			u8 tid = ac_to_tid[i];
+
+			if (!tx_cur && !rx_cur)
+				continue;
+
+			ieee80211_sta_register_airtime(sta, tid, tx_cur,
+						       rx_cur);
+		}
+	}
+
+	rcu_read_unlock();
+}
+
+int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+	struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
+	struct mt76_phy *mphy = &dev->mt76.phy;
+	struct mt7915_phy *phy = &dev->phy;
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_hdr *hdr;
+	struct mt7915_rxv rxv = {};
+	__le32 *rxd = (__le32 *)skb->data;
+	u32 rxd1 = le32_to_cpu(rxd[1]);
+	u32 rxd2 = le32_to_cpu(rxd[2]);
+	u32 rxd3 = le32_to_cpu(rxd[3]);
+	bool unicast, insert_ccmp_hdr = false;
+	u8 remove_pad;
+	int i, idx;
+
+	memset(status, 0, sizeof(*status));
+
+	if (rxd1 & MT_RXD1_NORMAL_BAND_IDX) {
+		mphy = dev->mt76.phy2;
+		if (!mphy)
+			return -EINVAL;
+
+		phy = mphy->priv;
+		status->ext_phy = true;
+	}
+
+	if (!test_bit(MT76_STATE_RUNNING, &mphy->state))
+		return -EINVAL;
+
+	unicast = FIELD_GET(MT_RXD3_NORMAL_ADDR_TYPE, rxd3) == MT_RXD3_NORMAL_U2M;
+	idx = FIELD_GET(MT_RXD1_NORMAL_WLAN_IDX, rxd1);
+	status->wcid = mt7915_rx_get_wcid(dev, idx, unicast);
+
+	if (status->wcid) {
+		struct mt7915_sta *msta;
+
+		msta = container_of(status->wcid, struct mt7915_sta, wcid);
+		spin_lock_bh(&dev->sta_poll_lock);
+		if (list_empty(&msta->poll_list))
+			list_add_tail(&msta->poll_list, &dev->sta_poll_list);
+		spin_unlock_bh(&dev->sta_poll_lock);
+	}
+
+	status->freq = mphy->chandef.chan->center_freq;
+	status->band = mphy->chandef.chan->band;
+	if (status->band == NL80211_BAND_5GHZ)
+		sband = &mphy->sband_5g.sband;
+	else
+		sband = &mphy->sband_2g.sband;
+
+	if (!sband->channels)
+		return -EINVAL;
+
+	if (rxd1 & MT_RXD1_NORMAL_FCS_ERR)
+		status->flag |= RX_FLAG_FAILED_FCS_CRC;
+
+	if (rxd1 & MT_RXD1_NORMAL_TKIP_MIC_ERR)
+		status->flag |= RX_FLAG_MMIC_ERROR;
+
+	if (FIELD_GET(MT_RXD1_NORMAL_SEC_MODE, rxd1) != 0 &&
+	    !(rxd1 & (MT_RXD1_NORMAL_CLM | MT_RXD1_NORMAL_CM))) {
+		status->flag |= RX_FLAG_DECRYPTED;
+		status->flag |= RX_FLAG_IV_STRIPPED;
+		status->flag |= RX_FLAG_MMIC_STRIPPED | RX_FLAG_MIC_STRIPPED;
+	}
+
+	if (!(rxd2 & MT_RXD2_NORMAL_NON_AMPDU)) {
+		status->flag |= RX_FLAG_AMPDU_DETAILS;
+
+		/* all subframes of an A-MPDU have the same timestamp */
+		if (phy->rx_ampdu_ts != rxd[14]) {
+			if (!++phy->ampdu_ref)
+				phy->ampdu_ref++;
+		}
+		phy->rx_ampdu_ts = rxd[14];
+
+		status->ampdu_ref = phy->ampdu_ref;
+	}
+
+	remove_pad = FIELD_GET(MT_RXD2_NORMAL_HDR_OFFSET, rxd2);
+
+	if (rxd2 & MT_RXD2_NORMAL_MAX_LEN_ERROR)
+		return -EINVAL;
+
+	rxd += 6;
+	if (rxd1 & MT_RXD1_NORMAL_GROUP_4) {
+		rxd += 4;
+		if ((u8 *)rxd - skb->data >= skb->len)
+			return -EINVAL;
+	}
+
+	if (rxd1 & MT_RXD1_NORMAL_GROUP_1) {
+		u8 *data = (u8 *)rxd;
+
+		if (status->flag & RX_FLAG_DECRYPTED) {
+			status->iv[0] = data[5];
+			status->iv[1] = data[4];
+			status->iv[2] = data[3];
+			status->iv[3] = data[2];
+			status->iv[4] = data[1];
+			status->iv[5] = data[0];
+
+			insert_ccmp_hdr = FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
+		}
+		rxd += 4;
+		if ((u8 *)rxd - skb->data >= skb->len)
+			return -EINVAL;
+	}
+
+	if (rxd1 & MT_RXD1_NORMAL_GROUP_2) {
+		rxd += 2;
+		if ((u8 *)rxd - skb->data >= skb->len)
+			return -EINVAL;
+	}
+
+	/* RXD Group 3 - P-RXV */
+	if (rxd1 & MT_RXD1_NORMAL_GROUP_3) {
+		memcpy(rxv.v, rxd, sizeof(rxv.v));
+
+		rxd += 2;
+		if ((u8 *)rxd - skb->data >= skb->len)
+			return -EINVAL;
+
+		if (rxv.v[0] & MT_PRXV_HT_AD_CODE)
+			status->enc_flags |= RX_ENC_FLAG_LDPC;
+
+		status->chains = mphy->antenna_mask;
+		status->chain_signal[0] = to_rssi(MT_PRXV_RCPI0, rxv.v[1]);
+		status->chain_signal[1] = to_rssi(MT_PRXV_RCPI1, rxv.v[1]);
+		status->chain_signal[2] = to_rssi(MT_PRXV_RCPI2, rxv.v[1]);
+		status->chain_signal[3] = to_rssi(MT_PRXV_RCPI3, rxv.v[1]);
+		status->signal = status->chain_signal[0];
+
+		for (i = 1; i < hweight8(mphy->antenna_mask); i++) {
+			if (!(status->chains & BIT(i)))
+				continue;
+
+			status->signal = max(status->signal,
+					     status->chain_signal[i]);
+		}
+
+		/* RXD Group 5 - C-RXV */
+		if (rxd1 & MT_RXD1_NORMAL_GROUP_5) {
+			u8 stbc = FIELD_GET(MT_CRXV_HT_STBC, rxv.v[2]);
+			u8 gi = FIELD_GET(MT_CRXV_HT_SHORT_GI, rxv.v[2]);
+			bool cck = false;
+
+			rxd += 18;
+			if ((u8 *)rxd - skb->data >= skb->len)
+				return -EINVAL;
+
+			idx = i = FIELD_GET(MT_PRXV_TX_RATE, rxv.v[0]);
+			rxv.phy = FIELD_GET(MT_CRXV_TX_MODE, rxv.v[2]);
+
+			switch (rxv.phy) {
+			case MT_PHY_TYPE_CCK:
+				cck = true;
+				/* fall through */
+			case MT_PHY_TYPE_OFDM:
+				i = mt76_get_rate(&dev->mt76, sband, i, cck);
+				break;
+			case MT_PHY_TYPE_HT_GF:
+			case MT_PHY_TYPE_HT:
+				status->encoding = RX_ENC_HT;
+				if (i > 31)
+					return -EINVAL;
+				break;
+			case MT_PHY_TYPE_VHT:
+				status->nss =
+					FIELD_GET(MT_PRXV_NSTS, rxv.v[0]) + 1;
+				status->encoding = RX_ENC_VHT;
+				if (i > 9)
+					return -EINVAL;
+				break;
+			default:
+				return -EINVAL;
+			}
+			status->rate_idx = i;
+
+			switch (FIELD_GET(MT_CRXV_FRAME_MODE, rxv.v[2])) {
+			case IEEE80211_STA_RX_BW_20:
+				break;
+			case IEEE80211_STA_RX_BW_40:
+				status->bw = RATE_INFO_BW_40;
+				break;
+			case IEEE80211_STA_RX_BW_80:
+				status->bw = RATE_INFO_BW_80;
+				break;
+			case IEEE80211_STA_RX_BW_160:
+				status->bw = RATE_INFO_BW_160;
+				break;
+			default:
+				return -EINVAL;
+			}
+
+			status->enc_flags |= RX_ENC_FLAG_STBC_MASK * stbc;
+			if (gi)
+				status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
+		}
+	}
+
+	skb_pull(skb, (u8 *)rxd - skb->data + 2 * remove_pad);
+
+	if (insert_ccmp_hdr) {
+		u8 key_id = FIELD_GET(MT_RXD1_NORMAL_KEY_ID, rxd1);
+
+		mt76_insert_ccmp_hdr(skb, key_id);
+	}
+
+	hdr = mt76_skb_get_hdr(skb);
+	if (!status->wcid || !ieee80211_is_data_qos(hdr->frame_control))
+		return 0;
+
+	status->aggr = unicast &&
+		       !ieee80211_is_qos_nullfunc(hdr->frame_control);
+	status->tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
+	status->seqno = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
+
+	return 0;
+}
+
+void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi,
+			   struct sk_buff *skb, struct mt76_wcid *wcid,
+			   struct ieee80211_key_conf *key, bool beacon)
+{
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	bool multicast = is_multicast_ether_addr(hdr->addr1);
+	struct ieee80211_vif *vif = info->control.vif;
+	struct mt76_phy *mphy = &dev->mphy;
+	bool ext_phy = info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY;
+	u8 fc_type, fc_stype, p_fmt, q_idx, omac_idx = 0, wmm_idx = 0;
+	__le16 fc = hdr->frame_control;
+	u16 tx_count = 4, seqno = 0;
+	u32 val;
+
+	if (vif) {
+		struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+
+		omac_idx = mvif->omac_idx;
+		wmm_idx = mvif->wmm_idx;
+	}
+
+	if (ext_phy && dev->mt76.phy2)
+		mphy = dev->mt76.phy2;
+
+	fc_type = (le16_to_cpu(fc) & IEEE80211_FCTL_FTYPE) >> 2;
+	fc_stype = (le16_to_cpu(fc) & IEEE80211_FCTL_STYPE) >> 4;
+
+	if (ieee80211_is_data(fc) || ieee80211_is_bufferable_mmpdu(fc)) {
+		q_idx = wmm_idx * MT7915_MAX_WMM_SETS +
+			skb_get_queue_mapping(skb);
+		p_fmt = MT_TX_TYPE_CT;
+	} else if (beacon) {
+		q_idx = MT_LMAC_BCN0;
+		p_fmt = MT_TX_TYPE_FW;
+	} else {
+		q_idx = MT_LMAC_ALTX0;
+		p_fmt = MT_TX_TYPE_CT;
+	}
+
+	val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + MT_TXD_SIZE) |
+	      FIELD_PREP(MT_TXD0_PKT_FMT, p_fmt) |
+	      FIELD_PREP(MT_TXD0_Q_IDX, q_idx);
+	txwi[0] = cpu_to_le32(val);
+
+	val = MT_TXD1_LONG_FORMAT |
+	      FIELD_PREP(MT_TXD1_WLAN_IDX, wcid->idx) |
+	      FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_802_11) |
+	      FIELD_PREP(MT_TXD1_HDR_INFO,
+			 ieee80211_get_hdrlen_from_skb(skb) / 2) |
+	      FIELD_PREP(MT_TXD1_TID,
+			 skb->priority & IEEE80211_QOS_CTL_TID_MASK) |
+	      FIELD_PREP(MT_TXD1_OWN_MAC, omac_idx);
+	if (ext_phy && q_idx >= MT_LMAC_ALTX0 && q_idx <= MT_LMAC_BCN0)
+		val |= cpu_to_le32(MT_TXD1_TGID);
+
+	txwi[1] = cpu_to_le32(val);
+
+	val = FIELD_PREP(MT_TXD2_FRAME_TYPE, fc_type) |
+	      FIELD_PREP(MT_TXD2_SUB_TYPE, fc_stype) |
+	      FIELD_PREP(MT_TXD2_MULTICAST, multicast);
+	if (key) {
+		if (multicast && ieee80211_is_robust_mgmt_frame(skb) &&
+		    key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
+			val |= MT_TXD2_BIP;
+			txwi[3] = 0;
+		} else {
+			txwi[3] = cpu_to_le32(MT_TXD3_PROTECT_FRAME);
+		}
+	} else {
+		txwi[3] = 0;
+	}
+	txwi[2] = cpu_to_le32(val);
+
+	txwi[4] = 0;
+	txwi[5] = 0;
+	txwi[6] = 0;
+
+	if (!ieee80211_is_data(fc) || multicast) {
+		u16 rate;
+
+		/* hardware won't add HTC for mgmt/ctrl frame */
+		txwi[2] |= cpu_to_le32(MT_TXD2_FIX_RATE | MT_TXD2_HTC_VLD);
+
+		if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
+			rate = MT7915_5G_RATE_DEFAULT;
+		else
+			rate = MT7915_2G_RATE_DEFAULT;
+
+		val = MT_TXD6_FIXED_BW |
+		      FIELD_PREP(MT_TXD6_TX_RATE, rate);
+		txwi[6] |= cpu_to_le32(val);
+		txwi[3] |= cpu_to_le32(MT_TXD3_BA_DISABLE);
+	}
+
+	if (!ieee80211_is_beacon(fc))
+		txwi[3] |= cpu_to_le32(MT_TXD3_SW_POWER_MGMT);
+	else
+		tx_count = 0x1f;
+
+	if (info->flags & IEEE80211_TX_CTL_NO_ACK)
+		txwi[3] |= cpu_to_le32(MT_TXD3_NO_ACK);
+
+	val = FIELD_PREP(MT_TXD7_TYPE, fc_type) |
+	      FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype);
+	txwi[7] = cpu_to_le32(val);
+
+	val = FIELD_PREP(MT_TXD3_REM_TX_COUNT, tx_count);
+	if (ieee80211_is_data_qos(fc)) {
+		seqno = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
+		val |= MT_TXD3_SN_VALID;
+	} else if (ieee80211_is_back_req(fc)) {
+		struct ieee80211_bar *bar;
+
+		bar = (struct ieee80211_bar *)skb->data;
+		seqno = IEEE80211_SEQ_TO_SN(le16_to_cpu(bar->start_seq_num));
+		val |= MT_TXD3_SN_VALID;
+	}
+	val |= FIELD_PREP(MT_TXD3_SEQ, seqno);
+	txwi[3] |= cpu_to_le32(val);
+}
+
+int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
+			  enum mt76_txq_id qid, struct mt76_wcid *wcid,
+			  struct ieee80211_sta *sta,
+			  struct mt76_tx_info *tx_info)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx_info->skb->data;
+	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
+	struct ieee80211_key_conf *key = info->control.hw_key;
+	struct ieee80211_vif *vif = info->control.vif;
+	struct mt76_tx_cb *cb = mt76_tx_skb_cb(tx_info->skb);
+	struct mt76_txwi_cache *t;
+	struct mt7915_txp *txp;
+	int id, i, nbuf = tx_info->nbuf - 1;
+	u8 *txwi = (u8 *)txwi_ptr;
+
+	if (!wcid)
+		wcid = &dev->mt76.global_wcid;
+
+	cb->wcid = wcid->idx;
+
+	mt7915_mac_write_txwi(dev, txwi_ptr, tx_info->skb, wcid, key,
+			      false);
+
+	txp = (struct mt7915_txp *)(txwi + MT_TXD_SIZE);
+	for (i = 0; i < nbuf; i++) {
+		txp->buf[i] = cpu_to_le32(tx_info->buf[i + 1].addr);
+		txp->len[i] = cpu_to_le16(tx_info->buf[i + 1].len);
+	}
+	txp->nbuf = nbuf;
+
+	/* pass partial skb header to fw */
+	tx_info->buf[1].len = MT_CT_PARSE_LEN;
+	tx_info->nbuf = MT_CT_DMA_BUF_NUM;
+
+	txp->flags = cpu_to_le16(MT_CT_INFO_APPLY_TXD);
+
+	if (!key)
+		txp->flags |= cpu_to_le16(MT_CT_INFO_NONE_CIPHER_FRAME);
+
+	if (ieee80211_is_mgmt(hdr->frame_control))
+		txp->flags |= cpu_to_le16(MT_CT_INFO_MGMT_FRAME);
+
+	if (vif) {
+		struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+
+		txp->bss_idx = mvif->idx;
+	}
+
+	t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size);
+	t->skb = tx_info->skb;
+
+	spin_lock_bh(&dev->token_lock);
+	id = idr_alloc(&dev->token, t, 0, MT7915_TOKEN_SIZE, GFP_ATOMIC);
+	spin_unlock_bh(&dev->token_lock);
+	if (id < 0)
+		return id;
+
+	txp->token = cpu_to_le16(id);
+	txp->rept_wds_wcid = 0xff;
+	tx_info->skb = DMA_DUMMY_DATA;
+
+	return 0;
+}
+
+static inline bool
+mt7915_tx_check_aggr_tid(struct mt7915_sta *msta, u8 tid)
+{
+	bool ret = false;
+
+	spin_lock_bh(&msta->ampdu_lock);
+	if (msta->ampdu_state[tid] == MT7915_AGGR_STOP)
+		ret = true;
+	spin_unlock_bh(&msta->ampdu_lock);
+
+	return ret;
+}
+
+static void
+mt7915_tx_check_aggr(struct ieee80211_sta *sta, struct sk_buff *skb)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	struct mt7915_sta *msta;
+	u16 tid;
+
+	if (!sta->ht_cap.ht_supported)
+		return;
+
+	if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO)
+		return;
+
+	if (unlikely(!ieee80211_is_data_qos(hdr->frame_control)))
+		return;
+
+	if (unlikely(skb->protocol == cpu_to_be16(ETH_P_PAE)))
+		return;
+
+	msta = (struct mt7915_sta *)sta->drv_priv;
+	tid = ieee80211_get_tid(hdr);
+
+	if (mt7915_tx_check_aggr_tid(msta, tid)) {
+		ieee80211_start_tx_ba_session(sta, tid, 0);
+		mt7915_set_aggr_state(msta, tid, MT7915_AGGR_PROGRESS);
+	}
+}
+
+static inline void
+mt7915_tx_status(struct ieee80211_sta *sta, struct ieee80211_hw *hw,
+		 struct ieee80211_tx_info *info, struct sk_buff *skb)
+{
+	struct ieee80211_tx_status status = {
+		.sta = sta,
+		.info = info,
+	};
+
+	if (skb)
+		status.skb = skb;
+
+	if (sta) {
+		struct mt7915_sta *msta;
+
+		msta = (struct mt7915_sta *)sta->drv_priv;
+		status.rate = &msta->stats.tx_rate;
+	}
+
+	/* use status_ext to report HE rate */
+	ieee80211_tx_status_ext(hw, &status);
+}
+
+static void
+mt7915_tx_complete_status(struct mt76_dev *mdev, struct sk_buff *skb,
+			  struct ieee80211_sta *sta, u8 stat)
+{
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_hw *hw;
+
+	hw = mt76_tx_status_get_hw(mdev, skb);
+
+	if (info->flags & IEEE80211_TX_CTL_AMPDU)
+		info->flags |= IEEE80211_TX_STAT_AMPDU;
+	else if (sta)
+		mt7915_tx_check_aggr(sta, skb);
+
+	if (stat)
+		ieee80211_tx_info_clear_status(info);
+
+	if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
+		info->flags |= IEEE80211_TX_STAT_ACK;
+
+	info->status.tx_time = 0;
+
+	if (info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS) {
+		mt7915_tx_status(sta, hw, info, skb);
+		return;
+	}
+
+	if (sta || !(info->flags & IEEE80211_TX_CTL_NO_ACK))
+		mt7915_tx_status(sta, hw, info, NULL);
+
+	dev_kfree_skb(skb);
+}
+
+void mt7915_txp_skb_unmap(struct mt76_dev *dev,
+			  struct mt76_txwi_cache *t)
+{
+	struct mt7915_txp *txp;
+	int i;
+
+	txp = mt7915_txwi_to_txp(dev, t);
+	for (i = 1; i < txp->nbuf; i++)
+		dma_unmap_single(dev->dev, le32_to_cpu(txp->buf[i]),
+				 le16_to_cpu(txp->len[i]), DMA_TO_DEVICE);
+}
+
+void mt7915_mac_tx_free(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+	struct mt7915_tx_free *free = (struct mt7915_tx_free *)skb->data;
+	struct mt76_dev *mdev = &dev->mt76;
+	struct mt76_txwi_cache *txwi;
+	struct ieee80211_sta *sta = NULL;
+	u8 i, count;
+
+	/*
+	 * TODO: MT_TX_FREE_LATENCY is msdu time from the TXD is queued into PLE,
+	 * to the time ack is received or dropped by hw (air + hw queue time).
+	 * Should avoid accessing WTBL to get Tx airtime, and use it instead.
+	 */
+	count = FIELD_GET(MT_TX_FREE_MSDU_CNT, le16_to_cpu(free->ctrl));
+	for (i = 0; i < count; i++) {
+		u32 msdu, info = le32_to_cpu(free->info[i]);
+		u8 stat;
+
+		/*
+		 * 1'b1: new wcid pair.
+		 * 1'b0: msdu_id with the same 'wcid pair' as above.
+		 */
+		if (info & MT_TX_FREE_PAIR) {
+			struct mt7915_sta *msta;
+			struct mt76_wcid *wcid;
+			u16 idx;
+
+			count++;
+			idx = FIELD_GET(MT_TX_FREE_WLAN_ID, info);
+			wcid = rcu_dereference(dev->mt76.wcid[idx]);
+			sta = wcid_to_sta(wcid);
+			if (!sta)
+				continue;
+
+			msta = container_of(wcid, struct mt7915_sta, wcid);
+			ieee80211_queue_work(mt76_hw(dev), &msta->stats_work);
+			continue;
+		}
+
+		msdu = FIELD_GET(MT_TX_FREE_MSDU_ID, info);
+		stat = FIELD_GET(MT_TX_FREE_STATUS, info);
+
+		spin_lock_bh(&dev->token_lock);
+		txwi = idr_remove(&dev->token, msdu);
+		spin_unlock_bh(&dev->token_lock);
+
+		if (!txwi)
+			continue;
+
+		mt7915_txp_skb_unmap(mdev, txwi);
+		if (txwi->skb) {
+			mt7915_tx_complete_status(mdev, txwi->skb, sta, stat);
+			txwi->skb = NULL;
+		}
+
+		mt76_put_txwi(mdev, txwi);
+	}
+	dev_kfree_skb(skb);
+}
+
+void mt7915_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid,
+			    struct mt76_queue_entry *e)
+{
+	struct mt7915_dev *dev;
+
+	if (!e->txwi) {
+		dev_kfree_skb_any(e->skb);
+		return;
+	}
+
+	dev = container_of(mdev, struct mt7915_dev, mt76);
+
+	/* error path */
+	if (e->skb == DMA_DUMMY_DATA) {
+		struct mt76_txwi_cache *t;
+		struct mt7915_txp *txp;
+
+		txp = mt7915_txwi_to_txp(mdev, e->txwi);
+
+		spin_lock_bh(&dev->token_lock);
+		t = idr_remove(&dev->token, le16_to_cpu(txp->token));
+		spin_unlock_bh(&dev->token_lock);
+		e->skb = t ? t->skb : NULL;
+	}
+
+	if (e->skb) {
+		struct mt76_tx_cb *cb = mt76_tx_skb_cb(e->skb);
+		struct mt76_wcid *wcid;
+
+		wcid = rcu_dereference(dev->mt76.wcid[cb->wcid]);
+
+		mt7915_tx_complete_status(mdev, e->skb, wcid_to_sta(wcid), 0);
+	}
+}
+
+void mt7915_mac_cca_stats_reset(struct mt7915_phy *phy)
+{
+	struct mt7915_dev *dev = phy->dev;
+	bool ext_phy = phy != &dev->phy;
+	u32 reg = MT_WF_PHY_RX_CTRL1(ext_phy);
+
+	mt7915_l2_clear(dev, reg, MT_WF_PHY_RX_CTRL1_STSCNT_EN);
+	mt7915_l2_set(dev, reg, BIT(11) | BIT(9));
+}
+
+void mt7915_mac_reset_counters(struct mt7915_phy *phy)
+{
+	struct mt7915_dev *dev = phy->dev;
+	bool ext_phy = phy != &dev->phy;
+	int i;
+
+	for (i = 0; i < 4; i++) {
+		mt76_rr(dev, MT_TX_AGG_CNT(ext_phy, i));
+		mt76_rr(dev, MT_TX_AGG_CNT2(ext_phy, i));
+	}
+
+	if (ext_phy) {
+		dev->mt76.phy2->survey_time = ktime_get_boottime();
+		i = ARRAY_SIZE(dev->mt76.aggr_stats) / 2;
+	} else {
+		dev->mt76.phy.survey_time = ktime_get_boottime();
+		i = 0;
+	}
+	memset(&dev->mt76.aggr_stats[i], 0, sizeof(dev->mt76.aggr_stats) / 2);
+
+	/* reset airtime counters */
+	mt76_rr(dev, MT_MIB_SDR9(ext_phy));
+	mt76_rr(dev, MT_MIB_SDR36(ext_phy));
+	mt76_rr(dev, MT_MIB_SDR37(ext_phy));
+
+	mt76_set(dev, MT_WF_RMAC_MIB_TIME0(ext_phy),
+		 MT_WF_RMAC_MIB_RXTIME_CLR);
+	mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(ext_phy),
+		 MT_WF_RMAC_MIB_RXTIME_CLR);
+}
+
+void mt7915_mac_set_timing(struct mt7915_phy *phy)
+{
+	s16 coverage_class = phy->coverage_class;
+	struct mt7915_dev *dev = phy->dev;
+	bool ext_phy = phy != &dev->phy;
+	u32 val, reg_offset;
+	u32 cck = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 231) |
+		  FIELD_PREP(MT_TIMEOUT_VAL_CCA, 48);
+	u32 ofdm = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 60) |
+		   FIELD_PREP(MT_TIMEOUT_VAL_CCA, 24);
+	int sifs, offset;
+
+	if (phy->mt76->chandef.chan->band == NL80211_BAND_5GHZ)
+		sifs = 16;
+	else
+		sifs = 10;
+
+	if (ext_phy) {
+		coverage_class = max_t(s16, dev->phy.coverage_class,
+				       coverage_class);
+	} else {
+		struct mt7915_phy *phy_ext = mt7915_ext_phy(dev);
+
+		if (phy_ext)
+			coverage_class = max_t(s16, phy_ext->coverage_class,
+					       coverage_class);
+	}
+	mt76_set(dev, MT_ARB_SCR(ext_phy),
+		 MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE);
+	udelay(1);
+
+	offset = 3 * coverage_class;
+	reg_offset = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, offset) |
+		     FIELD_PREP(MT_TIMEOUT_VAL_CCA, offset);
+
+	mt76_wr(dev, MT_TMAC_CDTR(ext_phy), cck + reg_offset);
+	mt76_wr(dev, MT_TMAC_ODTR(ext_phy), ofdm + reg_offset);
+	mt76_wr(dev, MT_TMAC_ICR0(ext_phy),
+		FIELD_PREP(MT_IFS_EIFS, 360) |
+		FIELD_PREP(MT_IFS_RIFS, 2) |
+		FIELD_PREP(MT_IFS_SIFS, sifs) |
+		FIELD_PREP(MT_IFS_SLOT, phy->slottime));
+
+	if (phy->slottime < 20)
+		val = MT7915_CFEND_RATE_DEFAULT;
+	else
+		val = MT7915_CFEND_RATE_11B;
+
+	mt76_rmw_field(dev, MT_AGG_ACR0(ext_phy), MT_AGG_ACR_CFEND_RATE, val);
+	mt76_clear(dev, MT_ARB_SCR(ext_phy),
+		   MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE);
+}
+
+/*
+ * TODO: mib counters are read-clear and there're many HE functionalities need
+ * such info, hence firmware prepares a task to read the fields out to a shared
+ * structure. User should switch to use event format to avoid race condition.
+ */
+static void
+mt7915_phy_update_channel(struct mt76_phy *mphy, int idx)
+{
+	struct mt7915_dev *dev = container_of(mphy->dev, struct mt7915_dev, mt76);
+	struct mt76_channel_state *state;
+	u64 busy_time, tx_time, rx_time, obss_time;
+
+	busy_time = mt76_get_field(dev, MT_MIB_SDR9(idx),
+				   MT_MIB_SDR9_BUSY_MASK);
+	tx_time = mt76_get_field(dev, MT_MIB_SDR36(idx),
+				 MT_MIB_SDR36_TXTIME_MASK);
+	rx_time = mt76_get_field(dev, MT_MIB_SDR37(idx),
+				 MT_MIB_SDR37_RXTIME_MASK);
+	obss_time = mt76_get_field(dev, MT_WF_RMAC_MIB_AIRTIME14(idx),
+				   MT_MIB_OBSSTIME_MASK);
+
+	/* TODO: state->noise */
+	state = mphy->chan_state;
+	state->cc_busy += busy_time;
+	state->cc_tx += tx_time;
+	state->cc_rx += rx_time + obss_time;
+	state->cc_bss_rx += rx_time;
+}
+
+void mt7915_update_channel(struct mt76_dev *mdev)
+{
+	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+
+	mt7915_phy_update_channel(&mdev->phy, 0);
+	if (mdev->phy2)
+		mt7915_phy_update_channel(mdev->phy2, 1);
+
+	/* reset obss airtime */
+	mt76_set(dev, MT_WF_RMAC_MIB_TIME0(0), MT_WF_RMAC_MIB_RXTIME_CLR);
+	if (mdev->phy2)
+		mt76_set(dev, MT_WF_RMAC_MIB_TIME0(1),
+			 MT_WF_RMAC_MIB_RXTIME_CLR);
+}
+
+static bool
+mt7915_wait_reset_state(struct mt7915_dev *dev, u32 state)
+{
+	bool ret;
+
+	ret = wait_event_timeout(dev->reset_wait,
+				 (READ_ONCE(dev->reset_state) & state),
+				 MT7915_RESET_TIMEOUT);
+
+	WARN(!ret, "Timeout waiting for MCU reset state %x\n", state);
+	return ret;
+}
+
+static void
+mt7915_update_vif_beacon(void *priv, u8 *mac, struct ieee80211_vif *vif)
+{
+	struct ieee80211_hw *hw = priv;
+
+	mt7915_mcu_add_beacon(hw, vif, vif->bss_conf.enable_beacon);
+}
+
+static void
+mt7915_update_beacons(struct mt7915_dev *dev)
+{
+	ieee80211_iterate_active_interfaces(dev->mt76.hw,
+		IEEE80211_IFACE_ITER_RESUME_ALL,
+		mt7915_update_vif_beacon, dev->mt76.hw);
+
+	if (!dev->mt76.phy2)
+		return;
+
+	ieee80211_iterate_active_interfaces(dev->mt76.phy2->hw,
+		IEEE80211_IFACE_ITER_RESUME_ALL,
+		mt7915_update_vif_beacon, dev->mt76.phy2->hw);
+}
+
+static void
+mt7915_dma_reset(struct mt7915_dev *dev)
+{
+	int i;
+
+	mt76_clear(dev, MT_WFDMA0_GLO_CFG,
+		   MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+	mt76_clear(dev, MT_WFDMA1_GLO_CFG,
+		   MT_WFDMA1_GLO_CFG_TX_DMA_EN | MT_WFDMA1_GLO_CFG_RX_DMA_EN);
+	usleep_range(1000, 2000);
+
+	for (i = 0; i < __MT_TXQ_MAX; i++)
+		mt76_queue_tx_cleanup(dev, i, true);
+
+	for (i = 0; i < ARRAY_SIZE(dev->mt76.q_rx); i++)
+		mt76_queue_rx_reset(dev, i);
+
+	/* re-init prefetch settings after reset */
+	mt7915_dma_prefetch(dev);
+
+	mt76_set(dev, MT_WFDMA0_GLO_CFG,
+		 MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+	mt76_set(dev, MT_WFDMA1_GLO_CFG,
+		 MT_WFDMA1_GLO_CFG_TX_DMA_EN | MT_WFDMA1_GLO_CFG_RX_DMA_EN);
+}
+
+/* system error recovery */
+void mt7915_mac_reset_work(struct work_struct *work)
+{
+	struct mt7915_dev *dev;
+
+	dev = container_of(work, struct mt7915_dev, reset_work);
+
+	if (!(READ_ONCE(dev->reset_state) & MT_MCU_CMD_STOP_DMA))
+		return;
+
+	ieee80211_stop_queues(mt76_hw(dev));
+	if (dev->mt76.phy2)
+		ieee80211_stop_queues(dev->mt76.phy2->hw);
+
+	set_bit(MT76_RESET, &dev->mphy.state);
+	set_bit(MT76_MCU_RESET, &dev->mphy.state);
+	wake_up(&dev->mt76.mcu.wait);
+	cancel_delayed_work_sync(&dev->mt76.mac_work);
+
+	/* lock/unlock all queues to ensure that no tx is pending */
+	mt76_txq_schedule_all(&dev->mphy);
+	if (dev->mt76.phy2)
+		mt76_txq_schedule_all(dev->mt76.phy2);
+
+	tasklet_disable(&dev->mt76.tx_tasklet);
+	napi_disable(&dev->mt76.napi[0]);
+	napi_disable(&dev->mt76.napi[1]);
+	napi_disable(&dev->mt76.napi[2]);
+	napi_disable(&dev->mt76.tx_napi);
+
+	mutex_lock(&dev->mt76.mutex);
+
+	mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_STOPPED);
+
+	if (mt7915_wait_reset_state(dev, MT_MCU_CMD_RESET_DONE)) {
+		mt7915_dma_reset(dev);
+
+		mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_INIT);
+		mt7915_wait_reset_state(dev, MT_MCU_CMD_RECOVERY_DONE);
+	}
+
+	clear_bit(MT76_MCU_RESET, &dev->mphy.state);
+	clear_bit(MT76_RESET, &dev->mphy.state);
+
+	tasklet_enable(&dev->mt76.tx_tasklet);
+	napi_enable(&dev->mt76.tx_napi);
+	napi_schedule(&dev->mt76.tx_napi);
+
+	napi_enable(&dev->mt76.napi[0]);
+	napi_schedule(&dev->mt76.napi[0]);
+
+	napi_enable(&dev->mt76.napi[1]);
+	napi_schedule(&dev->mt76.napi[1]);
+
+	napi_enable(&dev->mt76.napi[2]);
+	napi_schedule(&dev->mt76.napi[2]);
+
+	ieee80211_wake_queues(mt76_hw(dev));
+	if (dev->mt76.phy2)
+		ieee80211_wake_queues(dev->mt76.phy2->hw);
+
+	mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_RESET_DONE);
+	mt7915_wait_reset_state(dev, MT_MCU_CMD_NORMAL_STATE);
+
+	mutex_unlock(&dev->mt76.mutex);
+
+	mt7915_update_beacons(dev);
+
+	ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work,
+				     MT7915_WATCHDOG_TIME);
+}
+
+static void
+mt7915_mac_update_mib_stats(struct mt7915_phy *phy)
+{
+	struct mt7915_dev *dev = phy->dev;
+	struct mib_stats *mib = &phy->mib;
+	bool ext_phy = phy != &dev->phy;
+	int i, aggr0, aggr1;
+
+	memset(mib, 0, sizeof(*mib));
+
+	mib->fcs_err_cnt = mt76_get_field(dev, MT_MIB_SDR3(ext_phy),
+					  MT_MIB_SDR3_FCS_ERR_MASK);
+
+	aggr0 = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
+	for (i = 0, aggr1 = aggr0 + 4; i < 4; i++) {
+		u32 val, val2;
+
+		val = mt76_rr(dev, MT_MIB_MB_SDR1(ext_phy, i));
+
+		val2 = FIELD_GET(MT_MIB_ACK_FAIL_COUNT_MASK, val);
+		if (val2 > mib->ack_fail_cnt)
+			mib->ack_fail_cnt = val2;
+
+		val2 = FIELD_GET(MT_MIB_BA_MISS_COUNT_MASK, val);
+		if (val2 > mib->ba_miss_cnt)
+			mib->ba_miss_cnt = val2;
+
+		val = mt76_rr(dev, MT_MIB_MB_SDR0(ext_phy, i));
+		val2 = FIELD_GET(MT_MIB_RTS_RETRIES_COUNT_MASK, val);
+		if (val2 > mib->rts_retries_cnt) {
+			mib->rts_cnt = FIELD_GET(MT_MIB_RTS_COUNT_MASK, val);
+			mib->rts_retries_cnt = val2;
+		}
+
+		val = mt76_rr(dev, MT_TX_AGG_CNT(ext_phy, i));
+		val2 = mt76_rr(dev, MT_TX_AGG_CNT2(ext_phy, i));
+
+		dev->mt76.aggr_stats[aggr0++] += val & 0xffff;
+		dev->mt76.aggr_stats[aggr0++] += val >> 16;
+		dev->mt76.aggr_stats[aggr1++] += val2 & 0xffff;
+		dev->mt76.aggr_stats[aggr1++] += val2 >> 16;
+	}
+}
+
+void mt7915_mac_sta_stats_work(struct work_struct *work)
+{
+	struct ieee80211_sta *sta;
+	struct ieee80211_vif *vif;
+	struct mt7915_sta_stats *stats;
+	struct mt7915_sta *msta;
+	struct mt7915_dev *dev;
+
+	msta = container_of(work, struct mt7915_sta, stats_work);
+	sta = container_of((void *)msta, struct ieee80211_sta, drv_priv);
+	vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
+	dev = msta->vif->dev;
+	stats = &msta->stats;
+
+	/* use MT_TX_FREE_RATE to report Tx rate for further devices */
+	if (time_after(jiffies, stats->jiffies + HZ)) {
+		mt7915_mcu_get_rate_info(dev, RATE_CTRL_RU_INFO,
+					 msta->wcid.idx);
+
+		stats->jiffies = jiffies;
+	}
+
+	if (test_and_clear_bit(IEEE80211_RC_SUPP_RATES_CHANGED |
+			       IEEE80211_RC_NSS_CHANGED |
+			       IEEE80211_RC_BW_CHANGED, &stats->changed))
+		mt7915_mcu_add_rate_ctrl(dev, vif, sta);
+
+	if (test_and_clear_bit(IEEE80211_RC_SMPS_CHANGED, &stats->changed))
+		mt7915_mcu_add_smps(dev, vif, sta);
+
+	spin_lock_bh(&dev->sta_poll_lock);
+	if (list_empty(&msta->poll_list))
+		list_add_tail(&msta->poll_list, &dev->sta_poll_list);
+	spin_unlock_bh(&dev->sta_poll_lock);
+}
+
+void mt7915_mac_work(struct work_struct *work)
+{
+	struct mt7915_dev *dev;
+
+	dev = (struct mt7915_dev *)container_of(work, struct mt76_dev,
+						mac_work.work);
+
+	mutex_lock(&dev->mt76.mutex);
+	mt76_update_survey(&dev->mt76);
+	if (++dev->mac_work_count == 5) {
+		struct mt7915_phy *ext_phy = mt7915_ext_phy(dev);
+
+		mt7915_mac_update_mib_stats(&dev->phy);
+		if (ext_phy)
+			mt7915_mac_update_mib_stats(ext_phy);
+
+		dev->mac_work_count = 0;
+	}
+	mutex_unlock(&dev->mt76.mutex);
+
+	ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work,
+				     MT7915_WATCHDOG_TIME);
+}
+
+static void mt7915_dfs_stop_radar_detector(struct mt7915_phy *phy)
+{
+	struct mt7915_dev *dev = phy->dev;
+
+	if (phy->rdd_state & BIT(0))
+		mt7915_mcu_rdd_cmd(dev, RDD_STOP, 0, MT_RX_SEL0, 0);
+	if (phy->rdd_state & BIT(1))
+		mt7915_mcu_rdd_cmd(dev, RDD_STOP, 1, MT_RX_SEL0, 0);
+}
+
+static int mt7915_dfs_start_rdd(struct mt7915_dev *dev, int chain)
+{
+	int err;
+
+	err = mt7915_mcu_rdd_cmd(dev, RDD_START, chain, MT_RX_SEL0, 0);
+	if (err < 0)
+		return err;
+
+	return mt7915_mcu_rdd_cmd(dev, RDD_DET_MODE, chain, MT_RX_SEL0, 1);
+}
+
+static int mt7915_dfs_start_radar_detector(struct mt7915_phy *phy)
+{
+	struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+	struct mt7915_dev *dev = phy->dev;
+	bool ext_phy = phy != &dev->phy;
+	int err;
+
+	/* start CAC */
+	err = mt7915_mcu_rdd_cmd(dev, RDD_CAC_START, ext_phy, MT_RX_SEL0, 0);
+	if (err < 0)
+		return err;
+
+	err = mt7915_dfs_start_rdd(dev, ext_phy);
+	if (err < 0)
+		return err;
+
+	phy->rdd_state |= BIT(ext_phy);
+
+	if (chandef->width == NL80211_CHAN_WIDTH_160 ||
+	    chandef->width == NL80211_CHAN_WIDTH_80P80) {
+		err = mt7915_dfs_start_rdd(dev, 1);
+		if (err < 0)
+			return err;
+
+		phy->rdd_state |= BIT(1);
+	}
+
+	return 0;
+}
+
+static int
+mt7915_dfs_init_radar_specs(struct mt7915_phy *phy)
+{
+	const struct mt7915_dfs_radar_spec *radar_specs;
+	struct mt7915_dev *dev = phy->dev;
+	int err, i;
+
+	switch (dev->mt76.region) {
+	case NL80211_DFS_FCC:
+		radar_specs = &fcc_radar_specs;
+		err = mt7915_mcu_set_fcc5_lpn(dev, 8);
+		if (err < 0)
+			return err;
+		break;
+	case NL80211_DFS_ETSI:
+		radar_specs = &etsi_radar_specs;
+		break;
+	case NL80211_DFS_JP:
+		radar_specs = &jp_radar_specs;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(radar_specs->radar_pattern); i++) {
+		err = mt7915_mcu_set_radar_th(dev, i,
+					      &radar_specs->radar_pattern[i]);
+		if (err < 0)
+			return err;
+	}
+
+	return mt7915_mcu_set_pulse_th(dev, &radar_specs->pulse_th);
+}
+
+int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy)
+{
+	struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+	struct mt7915_dev *dev = phy->dev;
+	bool ext_phy = phy != &dev->phy;
+	int err;
+
+	if (dev->mt76.region == NL80211_DFS_UNSET) {
+		phy->dfs_state = -1;
+		if (phy->rdd_state)
+			goto stop;
+
+		return 0;
+	}
+
+	if (test_bit(MT76_SCANNING, &phy->mt76->state))
+		return 0;
+
+	if (phy->dfs_state == chandef->chan->dfs_state)
+		return 0;
+
+	err = mt7915_dfs_init_radar_specs(phy);
+	if (err < 0) {
+		phy->dfs_state = -1;
+		goto stop;
+	}
+
+	phy->dfs_state = chandef->chan->dfs_state;
+
+	if (chandef->chan->flags & IEEE80211_CHAN_RADAR) {
+		if (chandef->chan->dfs_state != NL80211_DFS_AVAILABLE)
+			return mt7915_dfs_start_radar_detector(phy);
+
+		return mt7915_mcu_rdd_cmd(dev, RDD_CAC_END, ext_phy,
+					  MT_RX_SEL0, 0);
+	}
+
+stop:
+	err = mt7915_mcu_rdd_cmd(dev, RDD_NORMAL_START, ext_phy,
+				 MT_RX_SEL0, 0);
+	if (err < 0)
+		return err;
+
+	mt7915_dfs_stop_radar_detector(phy);
+	return 0;
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.h b/drivers/net/wireless/mediatek/mt76/mt7915/mac.h
new file mode 100644
index 000000000000..7da7551f98e4
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.h
@@ -0,0 +1,328 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#ifndef __MT7915_MAC_H
+#define __MT7915_MAC_H
+
+#define MT_CT_PARSE_LEN			72
+#define MT_CT_DMA_BUF_NUM		2
+
+#define MT_RXD0_LENGTH			GENMASK(15, 0)
+#define MT_RXD0_PKT_TYPE		GENMASK(31, 27)
+
+#define MT_RXD0_NORMAL_ETH_TYPE_OFS	GENMASK(22, 16)
+#define MT_RXD0_NORMAL_IP_SUM		BIT(23)
+#define MT_RXD0_NORMAL_UDP_TCP_SUM	BIT(24)
+
+enum rx_pkt_type {
+	PKT_TYPE_TXS,
+	PKT_TYPE_TXRXV,
+	PKT_TYPE_NORMAL,
+	PKT_TYPE_RX_DUP_RFB,
+	PKT_TYPE_RX_TMR,
+	PKT_TYPE_RETRIEVE,
+	PKT_TYPE_TXRX_NOTIFY,
+	PKT_TYPE_RX_EVENT,
+};
+
+/* RXD DW1 */
+#define MT_RXD1_NORMAL_WLAN_IDX		GENMASK(9, 0)
+#define MT_RXD1_NORMAL_GROUP_1		BIT(11)
+#define MT_RXD1_NORMAL_GROUP_2		BIT(12)
+#define MT_RXD1_NORMAL_GROUP_3		BIT(13)
+#define MT_RXD1_NORMAL_GROUP_4		BIT(14)
+#define MT_RXD1_NORMAL_GROUP_5		BIT(15)
+#define MT_RXD1_NORMAL_SEC_MODE		GENMASK(20, 16)
+#define MT_RXD1_NORMAL_KEY_ID		GENMASK(22, 21)
+#define MT_RXD1_NORMAL_CM		BIT(23)
+#define MT_RXD1_NORMAL_CLM		BIT(24)
+#define MT_RXD1_NORMAL_ICV_ERR		BIT(25)
+#define MT_RXD1_NORMAL_TKIP_MIC_ERR	BIT(26)
+#define MT_RXD1_NORMAL_FCS_ERR		BIT(27)
+#define MT_RXD1_NORMAL_BAND_IDX		BIT(28)
+#define MT_RXD1_NORMAL_SPP_EN		BIT(29)
+#define MT_RXD1_NORMAL_ADD_OM		BIT(30)
+#define MT_RXD1_NORMAL_SEC_DONE		BIT(31)
+
+/* RXD DW2 */
+#define MT_RXD2_NORMAL_BSSID		GENMASK(5, 0)
+#define MT_RXD2_NORMAL_CO_ANT		BIT(6)
+#define MT_RXD2_NORMAL_BF_CQI		BIT(7)
+#define MT_RXD2_NORMAL_MAC_HDR_LEN	GENMASK(12, 8)
+#define MT_RXD2_NORMAL_HDR_TRANS	BIT(13)
+#define MT_RXD2_NORMAL_HDR_OFFSET	GENMASK(15, 14)
+#define MT_RXD2_NORMAL_TID		GENMASK(19, 16)
+#define MT_RXD2_NORMAL_MU_BAR		BIT(21)
+#define MT_RXD2_NORMAL_SW_BIT		BIT(22)
+#define MT_RXD2_NORMAL_AMSDU_ERR	BIT(23)
+#define MT_RXD2_NORMAL_MAX_LEN_ERROR	BIT(24)
+#define MT_RXD2_NORMAL_HDR_TRANS_ERROR	BIT(25)
+#define MT_RXD2_NORMAL_INT_FRAME	BIT(26)
+#define MT_RXD2_NORMAL_FRAG		BIT(27)
+#define MT_RXD2_NORMAL_NULL_FRAME	BIT(28)
+#define MT_RXD2_NORMAL_NDATA		BIT(29)
+#define MT_RXD2_NORMAL_NON_AMPDU	BIT(30)
+#define MT_RXD2_NORMAL_BF_REPORT	BIT(31)
+
+/* RXD DW3 */
+#define MT_RXD3_NORMAL_RXV_SEQ		GENMASK(7, 0)
+#define MT_RXD3_NORMAL_CH_FREQ		GENMASK(15, 8)
+#define MT_RXD3_NORMAL_ADDR_TYPE	GENMASK(17, 16)
+#define MT_RXD3_NORMAL_U2M		BIT(0)
+#define MT_RXD3_NORMAL_HTC_VLD		BIT(0)
+#define MT_RXD3_NORMAL_TSF_COMPARE_LOSS	BIT(19)
+#define MT_RXD3_NORMAL_BEACON_MC	BIT(20)
+#define MT_RXD3_NORMAL_BEACON_UC	BIT(21)
+#define MT_RXD3_NORMAL_AMSDU		BIT(22)
+#define MT_RXD3_NORMAL_MESH		BIT(23)
+#define MT_RXD3_NORMAL_MHCP		BIT(24)
+#define MT_RXD3_NORMAL_NO_INFO_WB	BIT(25)
+#define MT_RXD3_NORMAL_DISABLE_RX_HDR_TRANS	BIT(26)
+#define MT_RXD3_NORMAL_POWER_SAVE_STAT	BIT(27)
+#define MT_RXD3_NORMAL_MORE		BIT(28)
+#define MT_RXD3_NORMAL_UNWANT		BIT(29)
+#define MT_RXD3_NORMAL_RX_DROP		BIT(30)
+#define MT_RXD3_NORMAL_VLAN2ETH		BIT(31)
+
+/* RXD DW4 */
+#define MT_RXD4_NORMAL_PAYLOAD_FORMAT	GENMASK(1, 0)
+#define MT_RXD4_NORMAL_PATTERN_DROP	BIT(9)
+#define MT_RXD4_NORMAL_CLS		BIT(10)
+#define MT_RXD4_NORMAL_OFLD		GENMASK(12, 11)
+#define MT_RXD4_NORMAL_MAGIC_PKT	BIT(13)
+#define MT_RXD4_NORMAL_WOL		GENMASK(18, 14)
+#define MT_RXD4_NORMAL_CLS_BITMAP	GENMASK(28, 19)
+#define MT_RXD3_NORMAL_PF_MODE		BIT(29)
+#define MT_RXD3_NORMAL_PF_STS		GENMASK(31, 30)
+
+/* P-RXV */
+#define MT_PRXV_TX_RATE			GENMASK(6, 0)
+#define MT_PRXV_NSTS			GENMASK(9, 7)
+#define MT_PRXV_HT_AD_CODE		BIT(11)
+#define MT_PRXV_RCPI3			GENMASK(31, 24)
+#define MT_PRXV_RCPI2			GENMASK(23, 16)
+#define MT_PRXV_RCPI1			GENMASK(15, 8)
+#define MT_PRXV_RCPI0			GENMASK(7, 0)
+
+/* C-RXV */
+#define MT_CRXV_HT_STBC			GENMASK(1, 0)
+#define MT_CRXV_TX_MODE			GENMASK(7, 4)
+#define MT_CRXV_FRAME_MODE		GENMASK(10, 8)
+#define MT_CRXV_HT_SHORT_GI		GENMASK(14, 13)
+
+struct mt7915_rxv {
+	u32 phy;
+
+	/* P-RXV: bit 0~1, C-RXV: bit 2~19 */
+	__le32 v[20];
+};
+
+enum tx_header_format {
+	MT_HDR_FORMAT_802_3,
+	MT_HDR_FORMAT_CMD,
+	MT_HDR_FORMAT_802_11,
+	MT_HDR_FORMAT_802_11_EXT,
+};
+
+enum tx_pkt_type {
+	MT_TX_TYPE_CT,
+	MT_TX_TYPE_SF,
+	MT_TX_TYPE_CMD,
+	MT_TX_TYPE_FW,
+};
+
+enum tx_pkt_queue_idx {
+	MT_LMAC_AC00,
+	MT_LMAC_AC01,
+	MT_LMAC_AC02,
+	MT_LMAC_AC03,
+	MT_LMAC_ALTX0 = 0x10,
+	MT_LMAC_BMC0 = 0x10,
+	MT_LMAC_BCN0 = 0x12,
+};
+
+enum tx_port_idx {
+	MT_TX_PORT_IDX_LMAC,
+	MT_TX_PORT_IDX_MCU
+};
+
+enum tx_mcu_port_q_idx {
+	MT_TX_MCU_PORT_RX_Q0 = 0x20,
+	MT_TX_MCU_PORT_RX_Q1,
+	MT_TX_MCU_PORT_RX_Q2,
+	MT_TX_MCU_PORT_RX_Q3,
+	MT_TX_MCU_PORT_RX_FWDL = 0x3e
+};
+
+#define MT_CT_INFO_APPLY_TXD		BIT(0)
+#define MT_CT_INFO_COPY_HOST_TXD_ALL	BIT(1)
+#define MT_CT_INFO_MGMT_FRAME		BIT(2)
+#define MT_CT_INFO_NONE_CIPHER_FRAME	BIT(3)
+#define MT_CT_INFO_HSR2_TX		BIT(4)
+
+#define MT_TXD_SIZE			(8 * 4)
+
+#define MT_TXD0_Q_IDX			GENMASK(31, 25)
+#define MT_TXD0_PKT_FMT			GENMASK(24, 23)
+#define MT_TXD0_ETH_TYPE_OFFSET		GENMASK(22, 16)
+#define MT_TXD0_TX_BYTES		GENMASK(15, 0)
+
+#define MT_TXD1_LONG_FORMAT		BIT(31)
+#define MT_TXD1_TGID			BIT(30)
+#define MT_TXD1_OWN_MAC			GENMASK(29, 24)
+#define MT_TXD1_AMSDU			BIT(23)
+#define MT_TXD1_TID			GENMASK(22, 20)
+#define MT_TXD1_HDR_PAD			GENMASK(19, 18)
+#define MT_TXD1_HDR_FORMAT		GENMASK(17, 16)
+#define MT_TXD1_HDR_INFO		GENMASK(15, 11)
+#define MT_TXD1_VTA			BIT(10)
+#define MT_TXD1_WLAN_IDX		GENMASK(9, 0)
+
+#define MT_TXD2_FIX_RATE		BIT(31)
+#define MT_TXD2_FIXED_RATE		BIT(30)
+#define MT_TXD2_POWER_OFFSET		GENMASK(29, 24)
+#define MT_TXD2_MAX_TX_TIME		GENMASK(23, 16)
+#define MT_TXD2_FRAG			GENMASK(15, 14)
+#define MT_TXD2_HTC_VLD			BIT(13)
+#define MT_TXD2_DURATION		BIT(12)
+#define MT_TXD2_BIP			BIT(11)
+#define MT_TXD2_MULTICAST		BIT(10)
+#define MT_TXD2_RTS			BIT(9)
+#define MT_TXD2_SOUNDING		BIT(8)
+#define MT_TXD2_NDPA			BIT(7)
+#define MT_TXD2_NDP			BIT(6)
+#define MT_TXD2_FRAME_TYPE		GENMASK(5, 4)
+#define MT_TXD2_SUB_TYPE		GENMASK(3, 0)
+
+#define MT_TXD3_SN_VALID		BIT(31)
+#define MT_TXD3_PN_VALID		BIT(30)
+#define MT_TXD3_SW_POWER_MGMT		BIT(29)
+#define MT_TXD3_BA_DISABLE		BIT(28)
+#define MT_TXD3_SEQ			GENMASK(27, 16)
+#define MT_TXD3_REM_TX_COUNT		GENMASK(15, 11)
+#define MT_TXD3_TX_COUNT		GENMASK(10, 6)
+#define MT_TXD3_TIMING_MEASURE		BIT(5)
+#define MT_TXD3_DAS			BIT(4)
+#define MT_TXD3_EEOSP			BIT(3)
+#define MT_TXD3_EMRD			BIT(2)
+#define MT_TXD3_PROTECT_FRAME		BIT(1)
+#define MT_TXD3_NO_ACK			BIT(0)
+
+#define MT_TXD4_PN_LOW			GENMASK(31, 0)
+
+#define MT_TXD5_PN_HIGH			GENMASK(31, 16)
+#define MT_TXD5_MD			BIT(15)
+#define MT_TXD5_ADD_BA			BIT(14)
+#define MT_TXD5_TX_STATUS_HOST		BIT(10)
+#define MT_TXD5_TX_STATUS_MCU		BIT(9)
+#define MT_TXD5_TX_STATUS_FMT		BIT(8)
+#define MT_TXD5_PID			GENMASK(7, 0)
+
+#define MT_TXD6_TX_IBF			BIT(31)
+#define MT_TXD6_TX_EBF			BIT(30)
+#define MT_TXD6_TX_RATE			GENMASK(29, 16)
+#define MT_TXD6_SGI			GENMASK(15, 14)
+#define MT_TXD6_HELTF			GENMASK(13, 12)
+#define MT_TXD6_LDPC			BIT(11)
+#define MT_TXD6_SPE_ID_IDX		BIT(10)
+#define MT_TXD6_ANT_ID			GENMASK(7, 4)
+#define MT_TXD6_DYN_BW			BIT(3)
+#define MT_TXD6_FIXED_BW		BIT(2)
+#define MT_TXD6_BW			GENMASK(2, 0)
+
+#define MT_TXD7_TXD_LEN			GENMASK(31, 30)
+#define MT_TXD7_UDP_TCP_SUM		BIT(29)
+#define MT_TXD7_IP_SUM			BIT(28)
+
+#define MT_TXD7_TYPE			GENMASK(21, 20)
+#define MT_TXD7_SUB_TYPE		GENMASK(19, 16)
+
+#define MT_TXD7_PSE_FID			GENMASK(27, 16)
+#define MT_TXD7_SPE_IDX			GENMASK(15, 11)
+#define MT_TXD7_HW_AMSDU		BIT(10)
+#define MT_TXD7_TX_TIME			GENMASK(9, 0)
+
+#define MT_TX_RATE_STBC			BIT(13)
+#define MT_TX_RATE_NSS			GENMASK(12, 10)
+#define MT_TX_RATE_MODE			GENMASK(9, 6)
+#define MT_TX_RATE_IDX			GENMASK(5, 0)
+
+#define MT_TXP_MAX_BUF_NUM		6
+
+struct mt7915_txp {
+	__le16 flags;
+	__le16 token;
+	u8 bss_idx;
+	u8 rept_wds_wcid;
+	u8 rsv;
+	u8 nbuf;
+	__le32 buf[MT_TXP_MAX_BUF_NUM];
+	__le16 len[MT_TXP_MAX_BUF_NUM];
+} __packed __aligned(4);
+
+struct mt7915_tx_free {
+	__le16 rx_byte_cnt;
+	__le16 ctrl;
+	u8 txd_cnt;
+	u8 rsv[3];
+	__le32 info[];
+} __packed __aligned(4);
+
+#define MT_TX_FREE_MSDU_CNT		GENMASK(9, 0)
+#define MT_TX_FREE_WLAN_ID		GENMASK(23, 14)
+#define MT_TX_FREE_LATENCY		GENMASK(12, 0)
+/* 0: success, others: dropped */
+#define MT_TX_FREE_STATUS		GENMASK(14, 13)
+#define MT_TX_FREE_MSDU_ID		GENMASK(30, 16)
+#define MT_TX_FREE_PAIR			BIT(31)
+/* will support this field in further revision */
+#define MT_TX_FREE_RATE			GENMASK(13, 0)
+
+struct mt7915_dfs_pulse {
+	u32 max_width;		/* us */
+	int max_pwr;		/* dbm */
+	int min_pwr;		/* dbm */
+	u32 min_stgr_pri;	/* us */
+	u32 max_stgr_pri;	/* us */
+	u32 min_cr_pri;		/* us */
+	u32 max_cr_pri;		/* us */
+};
+
+struct mt7915_dfs_pattern {
+	u8 enb;
+	u8 stgr;
+	u8 min_crpn;
+	u8 max_crpn;
+	u8 min_crpr;
+	u8 min_pw;
+	u32 min_pri;
+	u32 max_pri;
+	u8 max_pw;
+	u8 min_crbn;
+	u8 max_crbn;
+	u8 min_stgpn;
+	u8 max_stgpn;
+	u8 min_stgpr;
+	u8 rsv[2];
+	u32 min_stgpr_diff;
+} __packed;
+
+struct mt7915_dfs_radar_spec {
+	struct mt7915_dfs_pulse pulse_th;
+	struct mt7915_dfs_pattern radar_pattern[16];
+};
+
+static inline struct mt7915_txp *
+mt7915_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t)
+{
+	u8 *txwi;
+
+	if (!t)
+		return NULL;
+
+	txwi = mt76_get_txwi_ptr(dev, t);
+
+	return (struct mt7915_txp *)(txwi + MT_TXD_SIZE);
+}
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
new file mode 100644
index 000000000000..ae5ed41d337b
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -0,0 +1,741 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/etherdevice.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/module.h>
+#include "mt7915.h"
+#include "mcu.h"
+
+static bool mt7915_dev_running(struct mt7915_dev *dev)
+{
+	struct mt7915_phy *phy;
+
+	if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
+		return true;
+
+	phy = mt7915_ext_phy(dev);
+
+	return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+}
+
+static int mt7915_start(struct ieee80211_hw *hw)
+{
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+	bool running;
+
+	mutex_lock(&dev->mt76.mutex);
+
+	running = mt7915_dev_running(dev);
+
+	if (!running) {
+		mt7915_mcu_set_pm(dev, 0, 0);
+		mt7915_mcu_set_mac(dev, 0, true, false);
+		mt7915_mcu_set_scs(dev, 0, true);
+	}
+
+	if (phy != &dev->phy) {
+		mt7915_mcu_set_pm(dev, 1, 0);
+		mt7915_mcu_set_mac(dev, 1, true, false);
+		mt7915_mcu_set_scs(dev, 1, true);
+	}
+
+	mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH);
+
+	set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+
+	if (running)
+		goto out;
+
+	mt7915_mac_reset_counters(phy);
+
+	ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work,
+				     MT7915_WATCHDOG_TIME);
+out:
+	mutex_unlock(&dev->mt76.mutex);
+
+	return 0;
+}
+
+static void mt7915_stop(struct ieee80211_hw *hw)
+{
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+
+	mutex_lock(&dev->mt76.mutex);
+
+	clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+
+	if (phy != &dev->phy) {
+		mt7915_mcu_set_pm(dev, 1, 1);
+		mt7915_mcu_set_mac(dev, 1, false, false);
+	}
+
+	if (!mt7915_dev_running(dev)) {
+		cancel_delayed_work_sync(&dev->mt76.mac_work);
+
+		mt7915_mcu_set_pm(dev, 0, 1);
+		mt7915_mcu_set_mac(dev, 0, false, false);
+	}
+
+	mutex_unlock(&dev->mt76.mutex);
+}
+
+static int get_omac_idx(enum nl80211_iftype type, u32 mask)
+{
+	int i;
+
+	switch (type) {
+	case NL80211_IFTYPE_MONITOR:
+	case NL80211_IFTYPE_AP:
+		/* ap uses hw bssid 0 and ext bssid */
+		if (~mask & BIT(HW_BSSID_0))
+			return HW_BSSID_0;
+
+		for (i = EXT_BSSID_1; i < EXT_BSSID_END; i++)
+			if (~mask & BIT(i))
+				return i;
+		break;
+	case NL80211_IFTYPE_MESH_POINT:
+	case NL80211_IFTYPE_ADHOC:
+	case NL80211_IFTYPE_STATION:
+		/* station uses hw bssid other than 0 */
+		for (i = HW_BSSID_1; i < HW_BSSID_MAX; i++)
+			if (~mask & BIT(i))
+				return i;
+		break;
+	default:
+		WARN_ON(1);
+		break;
+	}
+
+	return -1;
+}
+
+static int mt7915_add_interface(struct ieee80211_hw *hw,
+				struct ieee80211_vif *vif)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+	struct mt76_txq *mtxq;
+	bool ext_phy = phy != &dev->phy;
+	int idx, ret = 0;
+
+	mutex_lock(&dev->mt76.mutex);
+
+	mvif->idx = ffs(~phy->vif_mask) - 1;
+	if (mvif->idx >= MT7915_MAX_INTERFACES) {
+		ret = -ENOSPC;
+		goto out;
+	}
+
+	idx = get_omac_idx(vif->type, phy->omac_mask);
+	if (idx < 0) {
+		ret = -ENOSPC;
+		goto out;
+	}
+	mvif->omac_idx = idx;
+	mvif->dev = dev;
+	mvif->band_idx = ext_phy;
+
+	if (ext_phy)
+		mvif->wmm_idx = ext_phy * (MT7915_MAX_WMM_SETS / 2) +
+				mvif->idx % (MT7915_MAX_WMM_SETS / 2);
+	else
+		mvif->wmm_idx = mvif->idx % MT7915_MAX_WMM_SETS;
+
+	ret = mt7915_mcu_add_dev_info(dev, vif, true);
+	if (ret)
+		goto out;
+
+	phy->vif_mask |= BIT(mvif->idx);
+	phy->omac_mask |= BIT(mvif->omac_idx);
+
+	idx = MT7915_WTBL_RESERVED - mvif->idx;
+
+	INIT_LIST_HEAD(&mvif->sta.poll_list);
+	mvif->sta.wcid.idx = idx;
+	mvif->sta.wcid.ext_phy = mvif->band_idx;
+	mvif->sta.wcid.hw_key_idx = -1;
+	mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
+	mt7915_mac_wtbl_update(dev, idx,
+			       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+
+	rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
+	if (vif->txq) {
+		mtxq = (struct mt76_txq *)vif->txq->drv_priv;
+		mtxq->wcid = &mvif->sta.wcid;
+		mt76_txq_init(&dev->mt76, vif->txq);
+	}
+
+out:
+	mutex_unlock(&dev->mt76.mutex);
+
+	return ret;
+}
+
+static void mt7915_remove_interface(struct ieee80211_hw *hw,
+				    struct ieee80211_vif *vif)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct mt7915_sta *msta = &mvif->sta;
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+	int idx = msta->wcid.idx;
+
+	/* TODO: disable beacon for the bss */
+
+	mt7915_mcu_add_dev_info(dev, vif, false);
+
+	rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
+	if (vif->txq)
+		mt76_txq_remove(&dev->mt76, vif->txq);
+
+	mutex_lock(&dev->mt76.mutex);
+	phy->vif_mask &= ~BIT(mvif->idx);
+	phy->omac_mask &= ~BIT(mvif->omac_idx);
+	mutex_unlock(&dev->mt76.mutex);
+
+	spin_lock_bh(&dev->sta_poll_lock);
+	if (!list_empty(&msta->poll_list))
+		list_del_init(&msta->poll_list);
+	spin_unlock_bh(&dev->sta_poll_lock);
+}
+
+static void mt7915_init_dfs_state(struct mt7915_phy *phy)
+{
+	struct mt76_phy *mphy = phy->mt76;
+	struct ieee80211_hw *hw = mphy->hw;
+	struct cfg80211_chan_def *chandef = &hw->conf.chandef;
+
+	if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
+		return;
+
+	if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
+		return;
+
+	if (mphy->chandef.chan->center_freq == chandef->chan->center_freq &&
+	    mphy->chandef.width == chandef->width)
+		return;
+
+	phy->dfs_state = -1;
+}
+
+static int mt7915_set_channel(struct mt7915_phy *phy)
+{
+	struct mt7915_dev *dev = phy->dev;
+	int ret;
+
+	cancel_delayed_work_sync(&dev->mt76.mac_work);
+
+	mutex_lock(&dev->mt76.mutex);
+	set_bit(MT76_RESET, &phy->mt76->state);
+
+	mt7915_init_dfs_state(phy);
+	mt76_set_channel(phy->mt76);
+
+	ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH);
+	if (ret)
+		goto out;
+
+	mt7915_mac_set_timing(phy);
+	ret = mt7915_dfs_init_radar_detector(phy);
+	mt7915_mac_cca_stats_reset(phy);
+
+	mt7915_mac_reset_counters(phy);
+	phy->noise = 0;
+
+out:
+	clear_bit(MT76_RESET, &phy->mt76->state);
+	mutex_unlock(&dev->mt76.mutex);
+
+	mt76_txq_schedule_all(phy->mt76);
+	ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work,
+				     MT7915_WATCHDOG_TIME);
+
+	return ret;
+}
+
+static int mt7915_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 mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct mt7915_sta *msta = sta ? (struct mt7915_sta *)sta->drv_priv :
+				  &mvif->sta;
+	struct mt76_wcid *wcid = &msta->wcid;
+	int idx = key->keyidx;
+
+	/* The hardware does not support per-STA RX GTK, fallback
+	 * to software mode for these.
+	 */
+	if ((vif->type == NL80211_IFTYPE_ADHOC ||
+	     vif->type == NL80211_IFTYPE_MESH_POINT) &&
+	    (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
+	     key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
+	    !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
+		return -EOPNOTSUPP;
+
+	/* fall back to sw encryption for unsupported ciphers */
+	switch (key->cipher) {
+	case WLAN_CIPHER_SUITE_AES_CMAC:
+		key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
+		break;
+	case WLAN_CIPHER_SUITE_WEP40:
+	case WLAN_CIPHER_SUITE_WEP104:
+	case WLAN_CIPHER_SUITE_TKIP:
+	case WLAN_CIPHER_SUITE_CCMP:
+	case WLAN_CIPHER_SUITE_CCMP_256:
+	case WLAN_CIPHER_SUITE_GCMP:
+	case WLAN_CIPHER_SUITE_GCMP_256:
+	case WLAN_CIPHER_SUITE_SMS4:
+		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;
+	}
+	mt76_wcid_key_setup(&dev->mt76, wcid,
+			    cmd == SET_KEY ? key : NULL);
+
+	return mt7915_mcu_add_key(dev, vif, msta, key, cmd);
+}
+
+static int mt7915_config(struct ieee80211_hw *hw, u32 changed)
+{
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+	bool band = phy != &dev->phy;
+	int ret;
+
+	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+		ieee80211_stop_queues(hw);
+		ret = mt7915_set_channel(phy);
+		if (ret)
+			return ret;
+		ieee80211_wake_queues(hw);
+	}
+
+	mutex_lock(&dev->mt76.mutex);
+
+	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
+		if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
+			phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
+		else
+			phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
+
+		mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
+	}
+
+	mutex_unlock(&dev->mt76.mutex);
+
+	return 0;
+}
+
+static int
+mt7915_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
+	       const struct ieee80211_tx_queue_params *params)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+
+	/* no need to update right away, we'll get BSS_CHANGED_QOS */
+	mvif->wmm[queue].cw_min = params->cw_min;
+	mvif->wmm[queue].cw_max = params->cw_max;
+	mvif->wmm[queue].aifs = params->aifs;
+	mvif->wmm[queue].txop = params->txop;
+
+	return 0;
+}
+
+static void mt7915_configure_filter(struct ieee80211_hw *hw,
+				    unsigned int changed_flags,
+				    unsigned int *total_flags,
+				    u64 multicast)
+{
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+	bool band = phy != &dev->phy;
+
+	u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
+			MT_WF_RFCR1_DROP_BF_POLL |
+			MT_WF_RFCR1_DROP_BA |
+			MT_WF_RFCR1_DROP_CFEND |
+			MT_WF_RFCR1_DROP_CFACK;
+	u32 flags = 0;
+
+#define MT76_FILTER(_flag, _hw) do {					\
+		flags |= *total_flags & FIF_##_flag;			\
+		phy->rxfilter &= ~(_hw);				\
+		phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);	\
+	} while (0)
+
+	phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
+			   MT_WF_RFCR_DROP_OTHER_BEACON |
+			   MT_WF_RFCR_DROP_FRAME_REPORT |
+			   MT_WF_RFCR_DROP_PROBEREQ |
+			   MT_WF_RFCR_DROP_MCAST_FILTERED |
+			   MT_WF_RFCR_DROP_MCAST |
+			   MT_WF_RFCR_DROP_BCAST |
+			   MT_WF_RFCR_DROP_DUPLICATE |
+			   MT_WF_RFCR_DROP_A2_BSSID |
+			   MT_WF_RFCR_DROP_UNWANTED_CTL |
+			   MT_WF_RFCR_DROP_STBC_MULTI);
+
+	MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
+			       MT_WF_RFCR_DROP_A3_MAC |
+			       MT_WF_RFCR_DROP_A3_BSSID);
+
+	MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
+
+	MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
+			     MT_WF_RFCR_DROP_RTS |
+			     MT_WF_RFCR_DROP_CTL_RSV |
+			     MT_WF_RFCR_DROP_NDPA);
+
+	*total_flags = flags;
+	mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
+
+	if (*total_flags & FIF_CONTROL)
+		mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
+	else
+		mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
+}
+
+static void mt7915_bss_info_changed(struct ieee80211_hw *hw,
+				    struct ieee80211_vif *vif,
+				    struct ieee80211_bss_conf *info,
+				    u32 changed)
+{
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+
+	mutex_lock(&dev->mt76.mutex);
+
+	/*
+	 * station mode uses BSSID to map the wlan entry to a peer,
+	 * and then peer references bss_info_rfch to set bandwidth cap.
+	 */
+	if (changed & BSS_CHANGED_BSSID &&
+	    vif->type == NL80211_IFTYPE_STATION) {
+		bool join = !is_zero_ether_addr(info->bssid);
+
+		mt7915_mcu_add_bss_info(phy, vif, join);
+		mt7915_mcu_add_sta(dev, vif, NULL, join);
+	}
+
+	if (changed & BSS_CHANGED_ASSOC)
+		mt7915_mcu_add_bss_info(phy, vif, info->assoc);
+
+	if (changed & BSS_CHANGED_ERP_SLOT) {
+		int slottime = info->use_short_slot ? 9 : 20;
+
+		if (slottime != phy->slottime) {
+			phy->slottime = slottime;
+			mt7915_mac_set_timing(phy);
+		}
+	}
+
+	if (changed & BSS_CHANGED_BEACON_ENABLED) {
+		mt7915_mcu_add_bss_info(phy, vif, info->enable_beacon);
+		mt7915_mcu_add_sta(dev, vif, NULL, info->enable_beacon);
+	}
+
+	/* ensure that enable txcmd_mode after bss_info */
+	if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
+		mt7915_mcu_set_tx(dev, vif);
+
+	if (changed & (BSS_CHANGED_BEACON |
+		       BSS_CHANGED_BEACON_ENABLED))
+		mt7915_mcu_add_beacon(hw, vif, info->enable_beacon);
+
+	mutex_unlock(&dev->mt76.mutex);
+}
+
+static void
+mt7915_channel_switch_beacon(struct ieee80211_hw *hw,
+			     struct ieee80211_vif *vif,
+			     struct cfg80211_chan_def *chandef)
+{
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+
+	mutex_lock(&dev->mt76.mutex);
+	mt7915_mcu_add_beacon(hw, vif, true);
+	mutex_unlock(&dev->mt76.mutex);
+}
+
+int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
+		       struct ieee80211_sta *sta)
+{
+	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	int idx;
+
+	idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1);
+	if (idx < 0)
+		return -ENOSPC;
+
+	INIT_LIST_HEAD(&msta->poll_list);
+	INIT_WORK(&msta->stats_work, mt7915_mac_sta_stats_work);
+	spin_lock_init(&msta->ampdu_lock);
+	msta->vif = mvif;
+	msta->wcid.sta = 1;
+	msta->wcid.idx = idx;
+	msta->wcid.ext_phy = mvif->band_idx;
+	msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
+	msta->stats.jiffies = jiffies;
+
+	mt7915_mac_wtbl_update(dev, idx,
+			       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+
+	mt7915_mcu_add_sta(dev, vif, sta, true);
+
+	return 0;
+}
+
+void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
+			   struct ieee80211_sta *sta)
+{
+	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+
+	mt7915_mcu_add_sta(dev, vif, sta, false);
+
+	mt7915_mac_wtbl_update(dev, msta->wcid.idx,
+			       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+
+	spin_lock_bh(&dev->sta_poll_lock);
+	if (!list_empty(&msta->poll_list))
+		list_del_init(&msta->poll_list);
+	spin_unlock_bh(&dev->sta_poll_lock);
+}
+
+static void mt7915_tx(struct ieee80211_hw *hw,
+		      struct ieee80211_tx_control *control,
+		      struct sk_buff *skb)
+{
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct mt76_phy *mphy = hw->priv;
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_vif *vif = info->control.vif;
+	struct mt76_wcid *wcid = &dev->mt76.global_wcid;
+
+	if (control->sta) {
+		struct mt7915_sta *sta;
+
+		sta = (struct mt7915_sta *)control->sta->drv_priv;
+		wcid = &sta->wcid;
+	}
+
+	if (vif && !control->sta) {
+		struct mt7915_vif *mvif;
+
+		mvif = (struct mt7915_vif *)vif->drv_priv;
+		wcid = &mvif->sta.wcid;
+	}
+
+	mt76_tx(mphy, control->sta, wcid, skb);
+}
+
+static int mt7915_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
+{
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+
+	mutex_lock(&dev->mt76.mutex);
+	mt7915_mcu_set_rts_thresh(phy, val);
+	mutex_unlock(&dev->mt76.mutex);
+
+	return 0;
+}
+
+static int
+mt7915_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		    struct ieee80211_ampdu_params *params)
+{
+	enum ieee80211_ampdu_mlme_action action = params->action;
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct ieee80211_sta *sta = params->sta;
+	struct ieee80211_txq *txq = sta->txq[params->tid];
+	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+	u16 tid = params->tid;
+	u16 ssn = params->ssn;
+	struct mt76_txq *mtxq;
+	int ret = 0;
+
+	if (!txq)
+		return -EINVAL;
+
+	mtxq = (struct mt76_txq *)txq->drv_priv;
+
+	mutex_lock(&dev->mt76.mutex);
+	switch (action) {
+	case IEEE80211_AMPDU_RX_START:
+		mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
+				   params->buf_size);
+		mt7915_mcu_add_rx_ba(dev, params, true);
+		break;
+	case IEEE80211_AMPDU_RX_STOP:
+		mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
+		mt7915_mcu_add_rx_ba(dev, params, false);
+		break;
+	case IEEE80211_AMPDU_TX_OPERATIONAL:
+		mtxq->aggr = true;
+		mtxq->send_bar = false;
+		mt7915_set_aggr_state(msta, tid, MT7915_AGGR_OPERATIONAL);
+		mt7915_mcu_add_tx_ba(dev, params, true);
+		break;
+	case IEEE80211_AMPDU_TX_STOP_FLUSH:
+	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
+		mtxq->aggr = false;
+		mt7915_set_aggr_state(msta, tid, MT7915_AGGR_STOP);
+		mt7915_mcu_add_tx_ba(dev, params, false);
+		break;
+	case IEEE80211_AMPDU_TX_START:
+		mtxq->agg_ssn = IEEE80211_SN_TO_SEQ(ssn);
+		mt7915_set_aggr_state(msta, tid, MT7915_AGGR_START);
+		ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
+		break;
+	case IEEE80211_AMPDU_TX_STOP_CONT:
+		mtxq->aggr = false;
+		mt7915_set_aggr_state(msta, tid, MT7915_AGGR_STOP);
+		mt7915_mcu_add_tx_ba(dev, params, false);
+		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+		break;
+	}
+	mutex_unlock(&dev->mt76.mutex);
+
+	return ret;
+}
+
+static int
+mt7915_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+	       struct ieee80211_sta *sta)
+{
+	return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
+			      IEEE80211_STA_NONE);
+}
+
+static int
+mt7915_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		  struct ieee80211_sta *sta)
+{
+	return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
+			      IEEE80211_STA_NOTEXIST);
+}
+
+static int
+mt7915_get_stats(struct ieee80211_hw *hw,
+		 struct ieee80211_low_level_stats *stats)
+{
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+	struct mib_stats *mib = &phy->mib;
+
+	stats->dot11RTSSuccessCount = mib->rts_cnt;
+	stats->dot11RTSFailureCount = mib->rts_retries_cnt;
+	stats->dot11FCSErrorCount = mib->fcs_err_cnt;
+	stats->dot11ACKFailureCount = mib->ack_fail_cnt;
+
+	return 0;
+}
+
+static void
+mt7915_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
+{
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+
+	phy->coverage_class = max_t(s16, coverage_class, 0);
+	mt7915_mac_set_timing(phy);
+}
+
+static int
+mt7915_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
+{
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+	int max_nss = hweight8(hw->wiphy->available_antennas_tx);
+	bool ext_phy = phy != &dev->phy;
+
+	if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
+		return -EINVAL;
+
+	if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
+		tx_ant = BIT(ffs(tx_ant) - 1) - 1;
+
+	mutex_lock(&dev->mt76.mutex);
+
+	phy->mt76->antenna_mask = tx_ant;
+
+	if (ext_phy) {
+		if (dev->chainmask == 0xf)
+			tx_ant <<= 2;
+		else
+			tx_ant <<= 1;
+	}
+	phy->chainmask = tx_ant;
+
+	mt76_set_stream_caps(&dev->mt76, true);
+
+	mutex_unlock(&dev->mt76.mutex);
+
+	return 0;
+}
+
+static void
+mt7915_sta_rc_update(struct ieee80211_hw *hw,
+		     struct ieee80211_vif *vif,
+		     struct ieee80211_sta *sta,
+		     u32 changed)
+{
+	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+
+	rcu_read_lock();
+	sta = ieee80211_find_sta(vif, sta->addr);
+	if (!sta) {
+		rcu_read_unlock();
+		return;
+	}
+	rcu_read_lock();
+
+	set_bit(changed, &msta->stats.changed);
+	ieee80211_queue_work(hw, &msta->stats_work);
+}
+
+const struct ieee80211_ops mt7915_ops = {
+	.tx = mt7915_tx,
+	.start = mt7915_start,
+	.stop = mt7915_stop,
+	.add_interface = mt7915_add_interface,
+	.remove_interface = mt7915_remove_interface,
+	.config = mt7915_config,
+	.conf_tx = mt7915_conf_tx,
+	.configure_filter = mt7915_configure_filter,
+	.bss_info_changed = mt7915_bss_info_changed,
+	.sta_add = mt7915_sta_add,
+	.sta_remove = mt7915_sta_remove,
+	.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
+	.sta_rc_update = mt7915_sta_rc_update,
+	.set_key = mt7915_set_key,
+	.ampdu_action = mt7915_ampdu_action,
+	.set_rts_threshold = mt7915_set_rts_threshold,
+	.wake_tx_queue = mt76_wake_tx_queue,
+	.sw_scan_start = mt76_sw_scan,
+	.sw_scan_complete = mt76_sw_scan_complete,
+	.release_buffered_frames = mt76_release_buffered_frames,
+	.get_txpower = mt76_get_txpower,
+	.channel_switch_beacon = mt7915_channel_switch_beacon,
+	.get_stats = mt7915_get_stats,
+	.get_survey = mt76_get_survey,
+	.get_antenna = mt76_get_antenna,
+	.set_antenna = mt7915_set_antenna,
+	.set_coverage_class = mt7915_set_coverage_class,
+};
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
new file mode 100644
index 000000000000..5ca6bd9f099c
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -0,0 +1,2319 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/firmware.h>
+#include <linux/fs.h>
+#include "mt7915.h"
+#include "mcu.h"
+#include "mac.h"
+#include "eeprom.h"
+
+struct mt7915_patch_hdr {
+	char build_date[16];
+	char platform[4];
+	__be32 hw_sw_ver;
+	__be32 patch_ver;
+	__be16 checksum;
+	u16 reserved;
+	struct {
+		__be32 patch_ver;
+		__be32 subsys;
+		__be32 feature;
+		__be32 n_region;
+		__be32 crc;
+		u32 reserved[11];
+	} desc;
+} __packed;
+
+struct mt7915_patch_sec {
+	__be32 type;
+	__be32 offs;
+	__be32 size;
+	union {
+		__be32 spec[13];
+		struct {
+			__be32 addr;
+			__be32 len;
+			__be32 sec_key_idx;
+			__be32 align_len;
+			u32 reserved[9];
+		} info;
+	};
+} __packed;
+
+struct mt7915_fw_trailer {
+	u8 chip_id;
+	u8 eco_code;
+	u8 n_region;
+	u8 format_ver;
+	u8 format_flag;
+	u8 reserved[2];
+	char fw_ver[10];
+	char build_date[15];
+	u32 crc;
+} __packed;
+
+struct mt7915_fw_region {
+	__le32 decomp_crc;
+	__le32 decomp_len;
+	__le32 decomp_blk_sz;
+	u8 reserved[4];
+	__le32 addr;
+	__le32 len;
+	u8 feature_set;
+	u8 reserved1[15];
+} __packed;
+
+#define MCU_PATCH_ADDRESS		0x200000
+
+#define FW_FEATURE_SET_ENCRYPT		BIT(0)
+#define FW_FEATURE_SET_KEY_IDX		GENMASK(2, 1)
+#define FW_FEATURE_OVERRIDE_ADDR	BIT(5)
+
+#define DL_MODE_ENCRYPT			BIT(0)
+#define DL_MODE_KEY_IDX			GENMASK(2, 1)
+#define DL_MODE_RESET_SEC_IV		BIT(3)
+#define DL_MODE_WORKING_PDA_CR4		BIT(4)
+#define DL_MODE_NEED_RSP		BIT(31)
+
+#define FW_START_OVERRIDE		BIT(0)
+#define FW_START_WORKING_PDA_CR4	BIT(2)
+
+#define PATCH_SEC_TYPE_MASK		GENMASK(15, 0)
+#define PATCH_SEC_TYPE_INFO		0x2
+
+#define to_wcid_lo(id)			FIELD_GET(GENMASK(7, 0), (u16)id)
+#define to_wcid_hi(id)			FIELD_GET(GENMASK(9, 8), (u16)id)
+
+static enum mt7915_cipher_type
+mt7915_mcu_get_cipher(int cipher)
+{
+	switch (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_AES_CMAC:
+		return MT_CIPHER_BIP_CMAC_128;
+	case WLAN_CIPHER_SUITE_CCMP:
+		return MT_CIPHER_AES_CCMP;
+	case WLAN_CIPHER_SUITE_CCMP_256:
+		return MT_CIPHER_CCMP_256;
+	case WLAN_CIPHER_SUITE_GCMP:
+		return MT_CIPHER_GCMP;
+	case WLAN_CIPHER_SUITE_GCMP_256:
+		return MT_CIPHER_GCMP_256;
+	case WLAN_CIPHER_SUITE_SMS4:
+		return MT_CIPHER_WAPI;
+	default:
+		return MT_CIPHER_NONE;
+	}
+}
+
+static u8 mt7915_mcu_chan_bw(struct cfg80211_chan_def *chandef)
+{
+	static const u8 width_to_bw[] = {
+		[NL80211_CHAN_WIDTH_40] = CMD_CBW_40MHZ,
+		[NL80211_CHAN_WIDTH_80] = CMD_CBW_80MHZ,
+		[NL80211_CHAN_WIDTH_80P80] = CMD_CBW_8080MHZ,
+		[NL80211_CHAN_WIDTH_160] = CMD_CBW_160MHZ,
+		[NL80211_CHAN_WIDTH_5] = CMD_CBW_5MHZ,
+		[NL80211_CHAN_WIDTH_10] = CMD_CBW_10MHZ,
+		[NL80211_CHAN_WIDTH_20] = CMD_CBW_20MHZ,
+		[NL80211_CHAN_WIDTH_20_NOHT] = CMD_CBW_20MHZ,
+	};
+
+	if (chandef->width >= ARRAY_SIZE(width_to_bw))
+		return 0;
+
+	return width_to_bw[chandef->width];
+}
+
+static u8
+mt7915_get_phy_mode(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+		    enum nl80211_band band, struct ieee80211_sta *sta)
+{
+	struct ieee80211_sta_ht_cap *ht_cap;
+	struct ieee80211_sta_vht_cap *vht_cap;
+	u8 mode = 0;
+
+	if (sta) {
+		ht_cap = &sta->ht_cap;
+		vht_cap = &sta->vht_cap;
+	} else {
+		struct ieee80211_supported_band *sband;
+
+		if (band == NL80211_BAND_2GHZ)
+			sband = &dev->mphy.sband_2g.sband;
+		else
+			sband = &dev->mphy.sband_5g.sband;
+
+		ht_cap = &sband->ht_cap;
+		vht_cap = &sband->vht_cap;
+	}
+
+	if (band == NL80211_BAND_2GHZ) {
+		mode |= PHY_MODE_B | PHY_MODE_G;
+
+		if (ht_cap->ht_supported)
+			mode |= PHY_MODE_GN;
+	} else if (band == NL80211_BAND_5GHZ) {
+		mode |= PHY_MODE_A;
+
+		if (ht_cap->ht_supported)
+			mode |= PHY_MODE_AN;
+
+		if (vht_cap->vht_supported)
+			mode |= PHY_MODE_AC;
+	}
+
+	return mode;
+}
+
+static int __mt7915_mcu_msg_send(struct mt7915_dev *dev, struct sk_buff *skb,
+				 int cmd, int *wait_seq)
+{
+	struct mt7915_mcu_txd *mcu_txd;
+	u8 seq, pkt_fmt, qidx;
+	enum mt7915_txq_id txq;
+	__le32 *txd;
+	u32 val;
+
+	seq = ++dev->mt76.mcu.msg_seq & 0xf;
+	if (!seq)
+		seq = ++dev->mt76.mcu.msg_seq & 0xf;
+
+	if (cmd == -MCU_CMD_FW_SCATTER) {
+		txq = MT_TXQ_FWDL;
+		goto exit;
+	}
+
+	mcu_txd = (struct mt7915_mcu_txd *)skb_push(skb, sizeof(*mcu_txd));
+
+	if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state)) {
+		txq = MT_TXQ_MCU_WA;
+		qidx = MT_TX_MCU_PORT_RX_Q0;
+		pkt_fmt = MT_TX_TYPE_CMD;
+	} else {
+		txq = MT_TXQ_MCU;
+		qidx = MT_TX_MCU_PORT_RX_Q0;
+		pkt_fmt = MT_TX_TYPE_CMD;
+	}
+
+	txd = mcu_txd->txd;
+
+	val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
+	      FIELD_PREP(MT_TXD0_PKT_FMT, pkt_fmt) |
+	      FIELD_PREP(MT_TXD0_Q_IDX, qidx);
+	txd[0] = cpu_to_le32(val);
+
+	val = MT_TXD1_LONG_FORMAT |
+	      FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD);
+	txd[1] = cpu_to_le32(val);
+
+	mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd));
+	mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU, qidx));
+	mcu_txd->pkt_type = MCU_PKT_ID;
+	mcu_txd->seq = seq;
+
+	if (cmd < 0) {
+		mcu_txd->set_query = MCU_Q_NA;
+		mcu_txd->cid = -cmd;
+	} else {
+		mcu_txd->cid = MCU_CMD_EXT_CID;
+		mcu_txd->ext_cid = cmd;
+		mcu_txd->ext_cid_ack = 1;
+
+		/* do not use Q_SET for efuse */
+		if (cmd == MCU_EXT_CMD_EFUSE_ACCESS)
+			mcu_txd->set_query = MCU_Q_QUERY;
+		else
+			mcu_txd->set_query = MCU_Q_SET;
+	}
+
+	mcu_txd->s2d_index = MCU_S2D_H2N;
+	BUILD_BUG_ON(cmd == MCU_EXT_CMD_EFUSE_ACCESS &&
+		     mcu_txd->set_query != MCU_Q_QUERY);
+
+exit:
+	if (wait_seq)
+		*wait_seq = seq;
+
+	return mt76_tx_queue_skb_raw(dev, txq, skb, 0);
+}
+
+static int
+mt7915_mcu_parse_eeprom(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+	struct mt7915_mcu_eeprom_info *res;
+	u8 *buf;
+
+	if (!skb)
+		return -EINVAL;
+
+	skb_pull(skb, sizeof(struct mt7915_mcu_rxd));
+
+	res = (struct mt7915_mcu_eeprom_info *)skb->data;
+	buf = dev->mt76.eeprom.data + le32_to_cpu(res->addr);
+	memcpy(buf, res->data, 16);
+
+	return 0;
+}
+
+static int
+mt7915_mcu_parse_response(struct mt7915_dev *dev, int cmd,
+			  struct sk_buff *skb, int seq)
+{
+	struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
+	int ret = 0;
+
+	if (seq != rxd->seq)
+		return -EAGAIN;
+
+	switch (cmd) {
+	case -MCU_CMD_PATCH_SEM_CONTROL:
+		skb_pull(skb, sizeof(*rxd) - 4);
+		ret = *skb->data;
+		break;
+	case MCU_EXT_CMD_THERMAL_CTRL:
+		skb_pull(skb, sizeof(*rxd) + 4);
+		ret = le32_to_cpu(*(__le32 *)skb->data);
+		break;
+	case MCU_EXT_CMD_EFUSE_ACCESS:
+		ret = mt7915_mcu_parse_eeprom(dev, skb);
+		break;
+	default:
+		break;
+	}
+	dev_kfree_skb(skb);
+
+	return ret;
+}
+
+static int
+mt7915_mcu_wait_response(struct mt7915_dev *dev, int cmd, int seq)
+{
+	unsigned long expires = jiffies + 20 * HZ;
+	struct sk_buff *skb;
+	int ret = 0;
+
+	while (true) {
+		skb = mt76_mcu_get_response(&dev->mt76, expires);
+		if (!skb) {
+			dev_err(dev->mt76.dev, "Message %d (seq %d) timeout\n",
+				cmd, seq);
+			return -ETIMEDOUT;
+		}
+
+		ret = mt7915_mcu_parse_response(dev, cmd, skb, seq);
+		if (ret != -EAGAIN)
+			break;
+	}
+
+	return ret;
+}
+
+static int
+mt7915_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
+			int cmd, bool wait_resp)
+{
+	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+	int ret, seq;
+
+	mutex_lock(&mdev->mcu.mutex);
+
+	ret = __mt7915_mcu_msg_send(dev, skb, cmd, &seq);
+	if (ret)
+		goto out;
+
+	if (wait_resp)
+		ret = mt7915_mcu_wait_response(dev, cmd, seq);
+
+out:
+	mutex_unlock(&mdev->mcu.mutex);
+
+	return ret;
+}
+
+static int
+mt7915_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
+		    int len, bool wait_resp)
+{
+	struct sk_buff *skb;
+
+	skb = mt76_mcu_msg_alloc(mdev, data, len);
+	if (!skb)
+		return -ENOMEM;
+
+	return __mt76_mcu_skb_send_msg(mdev, skb, cmd, wait_resp);
+}
+
+static void
+mt7915_mcu_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
+{
+	if (vif->csa_active)
+		ieee80211_csa_finish(vif);
+}
+
+static void
+mt7915_mcu_rx_radar_detected(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+	struct mt76_phy *mphy = &dev->mt76.phy;
+	struct mt7915_mcu_rdd_report *r;
+
+	r = (struct mt7915_mcu_rdd_report *)skb->data;
+
+	if (r->idx && dev->mt76.phy2)
+		mphy = dev->mt76.phy2;
+
+	ieee80211_radar_detected(mphy->hw);
+	dev->hw_pattern++;
+}
+
+static void
+mt7915_mcu_tx_rate_cal(struct mt76_phy *mphy, struct mt7915_mcu_ra_info *ra,
+		       struct rate_info *rate, u16 r)
+{
+	struct ieee80211_supported_band *sband;
+	u16 ru_idx = le16_to_cpu(ra->ru_idx);
+	u16 flags = 0;
+
+	rate->mcs = FIELD_GET(MT_RA_RATE_MCS, r);
+	rate->nss = FIELD_GET(MT_RA_RATE_NSS, r) + 1;
+
+	switch (FIELD_GET(MT_RA_RATE_TX_MODE, r)) {
+	case MT_PHY_TYPE_CCK:
+	case MT_PHY_TYPE_OFDM:
+		if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
+			sband = &mphy->sband_5g.sband;
+		else
+			sband = &mphy->sband_2g.sband;
+
+		rate->legacy = sband->bitrates[rate->mcs].bitrate;
+		break;
+	case MT_PHY_TYPE_HT:
+	case MT_PHY_TYPE_HT_GF:
+		rate->mcs += (rate->nss - 1) * 8;
+		flags |= RATE_INFO_FLAGS_MCS;
+
+		if (ra->gi)
+			flags |= RATE_INFO_FLAGS_SHORT_GI;
+		break;
+	case MT_PHY_TYPE_VHT:
+		flags |= RATE_INFO_FLAGS_VHT_MCS;
+
+		if (ra->gi)
+			flags |= RATE_INFO_FLAGS_SHORT_GI;
+		break;
+	case MT_PHY_TYPE_HE_SU:
+	case MT_PHY_TYPE_HE_EXT_SU:
+	case MT_PHY_TYPE_HE_TB:
+	case MT_PHY_TYPE_HE_MU:
+		rate->he_gi = ra->gi;
+		rate->he_dcm = FIELD_GET(MT_RA_RATE_DCM_EN, r);
+
+		flags |= RATE_INFO_FLAGS_HE_MCS;
+		break;
+	default:
+		break;
+	}
+	rate->flags = flags;
+
+	if (ru_idx) {
+		switch (ru_idx) {
+		case 1 ... 2:
+			rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_996;
+			break;
+		case 3 ... 6:
+			rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_484;
+			break;
+		case 7 ... 14:
+			rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_242;
+			break;
+		default:
+			rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106;
+			break;
+		}
+		rate->bw = RATE_INFO_BW_HE_RU;
+	} else {
+		u8 bw = mt7915_mcu_chan_bw(&mphy->chandef) -
+			FIELD_GET(MT_RA_RATE_BW, r);
+
+		switch (bw) {
+		case IEEE80211_STA_RX_BW_160:
+			rate->bw = RATE_INFO_BW_160;
+			break;
+		case IEEE80211_STA_RX_BW_80:
+			rate->bw = RATE_INFO_BW_80;
+			break;
+		case IEEE80211_STA_RX_BW_40:
+			rate->bw = RATE_INFO_BW_40;
+			break;
+		default:
+			rate->bw = RATE_INFO_BW_20;
+			break;
+		}
+	}
+}
+
+static void
+mt7915_mcu_tx_rate_report(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+	struct mt7915_mcu_ra_info *ra = (struct mt7915_mcu_ra_info *)skb->data;
+	u16 wcidx = le16_to_cpu(ra->wlan_idx);
+	struct mt76_wcid *wcid = rcu_dereference(dev->mt76.wcid[wcidx]);
+	struct mt7915_sta *msta = container_of(wcid, struct mt7915_sta, wcid);
+	struct mt7915_sta_stats *stats = &msta->stats;
+	struct mt76_phy *mphy = &dev->mphy;
+	struct rate_info rate = {}, prob_rate = {};
+	u16 attempts = le16_to_cpu(ra->attempts);
+	u16 curr = le16_to_cpu(ra->curr_rate);
+	u16 probe = le16_to_cpu(ra->prob_up_rate);
+
+	if (msta->wcid.ext_phy && dev->mt76.phy2)
+		mphy = dev->mt76.phy2;
+
+	/* current rate */
+	mt7915_mcu_tx_rate_cal(mphy, ra, &rate, curr);
+	stats->tx_rate = rate;
+
+	/* probing rate */
+	mt7915_mcu_tx_rate_cal(mphy, ra, &prob_rate, probe);
+	stats->prob_rate = prob_rate;
+
+	if (attempts) {
+		u16 success = le16_to_cpu(ra->success);
+
+		stats->per = 1000 * (attempts - success) / attempts;
+	}
+}
+
+static void
+mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+	struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
+
+	switch (rxd->ext_eid) {
+	case MCU_EXT_EVENT_RDD_REPORT:
+		mt7915_mcu_rx_radar_detected(dev, skb);
+		break;
+	case MCU_EXT_EVENT_CSA_NOTIFY:
+		ieee80211_iterate_active_interfaces_atomic(dev->mt76.hw,
+				IEEE80211_IFACE_ITER_RESUME_ALL,
+				mt7915_mcu_csa_finish, dev);
+		break;
+	case MCU_EXT_EVENT_RATE_REPORT:
+		mt7915_mcu_tx_rate_report(dev, skb);
+		break;
+	default:
+		break;
+	}
+}
+
+static void
+mt7915_mcu_rx_unsolicited_event(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+	struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
+
+	switch (rxd->eid) {
+	case MCU_EVENT_EXT:
+		mt7915_mcu_rx_ext_event(dev, skb);
+		break;
+	default:
+		break;
+	}
+	dev_kfree_skb(skb);
+}
+
+void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+	struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
+
+	if (rxd->ext_eid == MCU_EXT_EVENT_THERMAL_PROTECT ||
+	    rxd->ext_eid == MCU_EXT_EVENT_ASSERT_DUMP ||
+	    rxd->ext_eid == MCU_EXT_EVENT_PS_SYNC ||
+	    rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT ||
+	    !rxd->seq)
+		mt7915_mcu_rx_unsolicited_event(dev, skb);
+	else
+		mt76_mcu_rx_event(&dev->mt76, skb);
+}
+
+static struct sk_buff *
+mt7915_mcu_alloc_sta_req(struct mt7915_dev *dev, struct mt7915_vif *mvif,
+			 struct mt7915_sta *msta, int len)
+{
+	struct sta_req_hdr hdr = {
+		.bss_idx = mvif->idx,
+		.wlan_idx_lo = msta ? to_wcid_lo(msta->wcid.idx) : 0,
+		.wlan_idx_hi = msta ? to_wcid_hi(msta->wcid.idx) : 0,
+		.muar_idx = msta ? mvif->omac_idx : 0,
+		.is_tlv_append = 1,
+	};
+	struct sk_buff *skb;
+
+	skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
+	if (!skb)
+		return ERR_PTR(-ENOMEM);
+
+	skb_put_data(skb, &hdr, sizeof(hdr));
+
+	return skb;
+}
+
+static struct wtbl_req_hdr *
+mt7915_mcu_alloc_wtbl_req(struct mt7915_dev *dev, struct mt7915_sta *msta,
+			  int cmd, void *sta_wtbl, struct sk_buff **skb)
+{
+	struct tlv *sta_hdr = sta_wtbl;
+	struct wtbl_req_hdr hdr = {
+		.wlan_idx_lo = to_wcid_lo(msta->wcid.idx),
+		.wlan_idx_hi = to_wcid_hi(msta->wcid.idx),
+		.operation = cmd,
+	};
+	struct sk_buff *nskb = *skb;
+
+	if (!nskb) {
+		nskb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
+					  MT7915_WTBL_UPDATE_BA_SIZE);
+		if (!nskb)
+			return ERR_PTR(-ENOMEM);
+
+		*skb = nskb;
+	}
+
+	if (sta_hdr)
+		sta_hdr->len = cpu_to_le16(sizeof(hdr));
+
+	return skb_put_data(nskb, &hdr, sizeof(hdr));
+}
+
+static struct tlv *
+mt7915_mcu_add_nested_tlv(struct sk_buff *skb, int tag, int len,
+			  void *sta_ntlv, void *sta_wtbl)
+{
+	struct sta_ntlv_hdr *ntlv_hdr = sta_ntlv;
+	struct tlv *sta_hdr = sta_wtbl;
+	struct tlv *ptlv, tlv = {
+		.tag = cpu_to_le16(tag),
+		.len = cpu_to_le16(len),
+	};
+	u16 ntlv;
+
+	ptlv = skb_put(skb, len);
+	memcpy(ptlv, &tlv, sizeof(tlv));
+
+	ntlv = le16_to_cpu(ntlv_hdr->tlv_num);
+	ntlv_hdr->tlv_num = cpu_to_le16(ntlv + 1);
+
+	if (sta_hdr) {
+		u16 size = le16_to_cpu(sta_hdr->len);
+
+		sta_hdr->len = cpu_to_le16(size + len);
+	}
+
+	return ptlv;
+}
+
+static struct tlv *
+mt7915_mcu_add_tlv(struct sk_buff *skb, int tag, int len)
+{
+	return mt7915_mcu_add_nested_tlv(skb, tag, len, skb->data, NULL);
+}
+
+static struct tlv *
+mt7915_mcu_add_nested_subtlv(struct sk_buff *skb, int sub_tag, int sub_len,
+			     __le16 *sub_ntlv, __le16 *len)
+{
+	struct tlv *ptlv, tlv = {
+		.tag = cpu_to_le16(sub_tag),
+		.len = cpu_to_le16(sub_len),
+	};
+
+	ptlv = skb_put(skb, sub_len);
+	memcpy(ptlv, &tlv, sizeof(tlv));
+
+	*sub_ntlv = cpu_to_le16(le16_to_cpu(*sub_ntlv) + 1);
+	*len = cpu_to_le16(le16_to_cpu(*len) + sub_len);
+
+	return ptlv;
+}
+
+/** bss info **/
+static int
+mt7915_mcu_bss_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
+			 struct mt7915_phy *phy, bool enable)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+	enum nl80211_band band = chandef->chan->band;
+	struct bss_info_basic *bss;
+	u16 wlan_idx = mvif->sta.wcid.idx;
+	u32 type = NETWORK_INFRA;
+	struct tlv *tlv;
+
+	tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_BASIC, sizeof(*bss));
+
+	switch (vif->type) {
+	case NL80211_IFTYPE_MESH_POINT:
+	case NL80211_IFTYPE_AP:
+		break;
+	case NL80211_IFTYPE_STATION:
+		/* TODO: enable BSS_INFO_UAPSD & BSS_INFO_PM */
+		if (enable) {
+			struct ieee80211_sta *sta;
+			struct mt7915_sta *msta;
+
+			rcu_read_lock();
+			sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
+			if (!sta) {
+				rcu_read_unlock();
+				return -EINVAL;
+			}
+
+			msta = (struct mt7915_sta *)sta->drv_priv;
+			wlan_idx = msta->wcid.idx;
+			rcu_read_unlock();
+		}
+		break;
+	case NL80211_IFTYPE_ADHOC:
+		type = NETWORK_IBSS;
+		break;
+	default:
+		WARN_ON(1);
+		break;
+	}
+
+	bss = (struct bss_info_basic *)tlv;
+	memcpy(bss->bssid, vif->bss_conf.bssid, ETH_ALEN);
+	bss->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
+	bss->network_type = cpu_to_le32(type);
+	bss->dtim_period = vif->bss_conf.dtim_period;
+	bss->bmc_wcid_lo = to_wcid_lo(wlan_idx);
+	bss->bmc_wcid_hi = to_wcid_hi(wlan_idx);
+	bss->phy_mode = mt7915_get_phy_mode(phy->dev, vif, band, NULL);
+	bss->wmm_idx = mvif->wmm_idx;
+	bss->active = enable;
+
+	return 0;
+}
+
+static void
+mt7915_mcu_bss_omac_tlv(struct sk_buff *skb, struct ieee80211_vif *vif)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct bss_info_omac *omac;
+	struct tlv *tlv;
+	u32 type = 0;
+	u8 idx;
+
+	tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_OMAC, sizeof(*omac));
+
+	switch (vif->type) {
+	case NL80211_IFTYPE_MESH_POINT:
+	case NL80211_IFTYPE_AP:
+		type = CONNECTION_INFRA_AP;
+		break;
+	case NL80211_IFTYPE_STATION:
+		type = CONNECTION_INFRA_STA;
+		break;
+	case NL80211_IFTYPE_ADHOC:
+		type = CONNECTION_IBSS_ADHOC;
+		break;
+	default:
+		WARN_ON(1);
+		break;
+	}
+
+	omac = (struct bss_info_omac *)tlv;
+	idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
+	omac->conn_type = cpu_to_le32(type);
+	omac->omac_idx = mvif->omac_idx;
+	omac->band_idx = mvif->band_idx;
+	omac->hw_bss_idx = idx;
+}
+
+static void
+mt7915_mcu_bss_rfch_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
+			struct mt7915_phy *phy)
+{
+	struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+	struct bss_info_rf_ch *ch;
+	struct tlv *tlv;
+	int freq1 = chandef->center_freq1;
+
+	tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_RF_CH, sizeof(*ch));
+
+	ch = (struct bss_info_rf_ch *)tlv;
+	ch->pri_ch = chandef->chan->hw_value;
+	ch->center_ch0 = ieee80211_frequency_to_channel(freq1);
+	ch->bw = mt7915_mcu_chan_bw(chandef);
+
+	if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
+		int freq2 = chandef->center_freq2;
+
+		ch->center_ch1 = ieee80211_frequency_to_channel(freq2);
+	}
+
+	ch->he_all_disable = true;
+}
+
+static void
+mt7915_mcu_bss_ra_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
+		      struct mt7915_phy *phy)
+{
+	struct bss_info_ra *ra;
+	struct tlv *tlv;
+	int max_nss = hweight8(phy->chainmask);
+
+	tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_RA, sizeof(*ra));
+
+	ra = (struct bss_info_ra *)tlv;
+	ra->op_mode = vif->type == NL80211_IFTYPE_AP;
+	ra->adhoc_en = vif->type == NL80211_IFTYPE_ADHOC;
+	ra->short_preamble = true;
+	ra->tx_streams = max_nss;
+	ra->rx_streams = max_nss;
+	ra->algo = 4;
+	ra->train_up_rule = 2;
+	ra->train_up_high_thres = 110;
+	ra->train_up_rule_rssi = -70;
+	ra->low_traffic_thres = 2;
+	ra->phy_cap = cpu_to_le32(0xfdf);
+	ra->interval = cpu_to_le32(500);
+	ra->fast_interval = cpu_to_le32(100);
+}
+
+static void
+mt7915_mcu_bss_ext_tlv(struct sk_buff *skb, struct mt7915_vif *mvif)
+{
+/* SIFS 20us + 512 byte beacon tranmitted by 1Mbps (3906us) */
+#define BCN_TX_ESTIMATE_TIME	(4096 + 20)
+	struct bss_info_ext_bss *ext;
+	int ext_bss_idx, tsf_offset;
+	struct tlv *tlv;
+
+	ext_bss_idx = mvif->omac_idx - EXT_BSSID_START;
+	if (ext_bss_idx < 0)
+		return;
+
+	tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_EXT_BSS, sizeof(*ext));
+
+	ext = (struct bss_info_ext_bss *)tlv;
+	tsf_offset = ext_bss_idx * BCN_TX_ESTIMATE_TIME;
+	ext->mbss_tsf_offset = cpu_to_le32(tsf_offset);
+}
+
+static void
+mt7915_mcu_bss_bmc_tlv(struct sk_buff *skb, struct mt7915_phy *phy)
+{
+	struct bss_info_bmc_rate *bmc;
+	struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+	enum nl80211_band band = chandef->chan->band;
+	struct tlv *tlv;
+
+	tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_BMC_RATE, sizeof(*bmc));
+
+	bmc = (struct bss_info_bmc_rate *)tlv;
+	if (band == NL80211_BAND_2GHZ) {
+		bmc->short_preamble = true;
+	} else {
+		bmc->bc_trans = cpu_to_le16(0x2000);
+		bmc->mc_trans = cpu_to_le16(0x2080);
+	}
+}
+
+static void
+mt7915_mcu_bss_sync_tlv(struct sk_buff *skb, struct ieee80211_vif *vif)
+{
+	struct bss_info_sync_mode *sync;
+	struct tlv *tlv;
+
+	tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_SYNC_MODE, sizeof(*sync));
+
+	sync = (struct bss_info_sync_mode *)tlv;
+	sync->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
+	sync->dtim_period = vif->bss_conf.dtim_period;
+	sync->enable = true;
+}
+
+int mt7915_mcu_add_bss_info(struct mt7915_phy *phy,
+			    struct ieee80211_vif *vif, int enable)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct sk_buff *skb;
+
+	skb = mt7915_mcu_alloc_sta_req(phy->dev, mvif, NULL,
+				       MT7915_STA_UPDATE_MAX_SIZE);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	/* bss_omac must be first */
+	if (enable)
+		mt7915_mcu_bss_omac_tlv(skb, vif);
+
+	mt7915_mcu_bss_basic_tlv(skb, vif, phy, enable);
+
+	if (enable) {
+		mt7915_mcu_bss_rfch_tlv(skb, vif, phy);
+		mt7915_mcu_bss_bmc_tlv(skb, phy);
+		mt7915_mcu_bss_ra_tlv(skb, vif, phy);
+
+		if (mvif->omac_idx > HW_BSSID_MAX)
+			mt7915_mcu_bss_ext_tlv(skb, mvif);
+		else
+			mt7915_mcu_bss_sync_tlv(skb, vif);
+	}
+
+	return __mt76_mcu_skb_send_msg(&phy->dev->mt76, skb,
+				       MCU_EXT_CMD_BSS_INFO_UPDATE, true);
+}
+
+/** starec & wtbl **/
+static int
+mt7915_mcu_sta_key_tlv(struct sk_buff *skb, struct ieee80211_key_conf *key,
+		       enum set_key_cmd cmd)
+{
+	struct sta_rec_sec *sec;
+	struct tlv *tlv;
+	u32 len = sizeof(*sec);
+
+	tlv = mt7915_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec));
+
+	sec = (struct sta_rec_sec *)tlv;
+	sec->add = cmd;
+
+	if (cmd == SET_KEY) {
+		struct sec_key *sec_key;
+		u8 cipher;
+
+		cipher = mt7915_mcu_get_cipher(key->cipher);
+		if (cipher == MT_CIPHER_NONE)
+			return -EOPNOTSUPP;
+
+		sec_key = &sec->key[0];
+		sec_key->cipher_len = sizeof(*sec_key);
+		sec_key->key_id = key->keyidx;
+
+		if (cipher == MT_CIPHER_BIP_CMAC_128) {
+			sec_key->cipher_id = MT_CIPHER_AES_CCMP;
+			sec_key->key_len = 16;
+			memcpy(sec_key->key, key->key, 16);
+
+			sec_key = &sec->key[1];
+			sec_key->cipher_id = MT_CIPHER_BIP_CMAC_128;
+			sec_key->cipher_len = sizeof(*sec_key);
+			sec_key->key_len = 16;
+			memcpy(sec_key->key, key->key + 16, 16);
+
+			sec->n_cipher = 2;
+		} else {
+			sec_key->cipher_id = cipher;
+			sec_key->key_len = key->keylen;
+			memcpy(sec_key->key, key->key, key->keylen);
+
+			if (cipher == MT_CIPHER_TKIP) {
+				/* Rx/Tx MIC keys are swapped */
+				memcpy(sec_key->key + 16, key->key + 24, 8);
+				memcpy(sec_key->key + 24, key->key + 16, 8);
+			}
+
+			len -= sizeof(*sec_key);
+			sec->n_cipher = 1;
+		}
+	} else {
+		len -= sizeof(sec->key);
+		sec->n_cipher = 0;
+	}
+	sec->len = cpu_to_le16(len);
+
+	return 0;
+}
+
+int mt7915_mcu_add_key(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+		       struct mt7915_sta *msta, struct ieee80211_key_conf *key,
+		       enum set_key_cmd cmd)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct sk_buff *skb;
+	int ret;
+
+	skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
+				       MT7915_STA_UPDATE_MAX_SIZE);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	ret = mt7915_mcu_sta_key_tlv(skb, key, cmd);
+	if (ret)
+		return ret;
+
+	return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+				       MCU_EXT_CMD_STA_REC_UPDATE, true);
+}
+
+static void
+mt7915_mcu_sta_ba_tlv(struct sk_buff *skb,
+		      struct ieee80211_ampdu_params *params,
+		      bool enable, bool tx)
+{
+	struct sta_rec_ba *ba;
+	struct tlv *tlv;
+
+	tlv = mt7915_mcu_add_tlv(skb, STA_REC_BA, sizeof(*ba));
+
+	ba = (struct sta_rec_ba *)tlv;
+	ba->ba_type = tx ? MT_BA_TYPE_ORIGINATOR : MT_BA_TYPE_RECIPIENT,
+	ba->winsize = cpu_to_le16(params->buf_size);
+	ba->ssn = cpu_to_le16(params->ssn);
+	ba->ba_en = enable << params->tid;
+	ba->amsdu = params->amsdu;
+	ba->tid = params->tid;
+}
+
+static void
+mt7915_mcu_wtbl_ba_tlv(struct sk_buff *skb,
+		       struct ieee80211_ampdu_params *params,
+		       bool enable, bool tx, void *sta_wtbl,
+		       void *wtbl_tlv)
+{
+	struct wtbl_ba *ba;
+	struct tlv *tlv;
+
+	tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_BA, sizeof(*ba),
+					wtbl_tlv, sta_wtbl);
+
+	ba = (struct wtbl_ba *)tlv;
+	ba->tid = params->tid;
+
+	if (tx) {
+		ba->ba_type = MT_BA_TYPE_ORIGINATOR;
+		ba->sn = enable ? cpu_to_le16(params->ssn) : 0;
+		ba->ba_en = enable;
+	} else {
+		memcpy(ba->peer_addr, params->sta->addr, ETH_ALEN);
+		ba->ba_type = MT_BA_TYPE_RECIPIENT;
+		ba->rst_ba_tid = params->tid;
+		ba->rst_ba_sel = RST_BA_MAC_TID_MATCH;
+		ba->rst_ba_sb = 1;
+	}
+
+	if (enable && tx)
+		ba->ba_winsize = cpu_to_le16(params->buf_size);
+}
+
+static int
+mt7915_mcu_sta_ba(struct mt7915_dev *dev,
+		  struct ieee80211_ampdu_params *params,
+		  bool enable, bool tx)
+{
+	struct mt7915_sta *msta = (struct mt7915_sta *)params->sta->drv_priv;
+	struct mt7915_vif *mvif = msta->vif;
+	struct wtbl_req_hdr *wtbl_hdr;
+	struct tlv *sta_wtbl;
+	struct sk_buff *skb;
+
+	skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
+				       MT7915_STA_UPDATE_MAX_SIZE);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	mt7915_mcu_sta_ba_tlv(skb, params, enable, tx);
+	sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
+
+	wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
+					     &skb);
+	mt7915_mcu_wtbl_ba_tlv(skb, params, enable, tx, sta_wtbl, wtbl_hdr);
+
+	return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+				       MCU_EXT_CMD_STA_REC_UPDATE, true);
+}
+
+int mt7915_mcu_add_tx_ba(struct mt7915_dev *dev,
+			 struct ieee80211_ampdu_params *params,
+			 bool enable)
+{
+	return mt7915_mcu_sta_ba(dev, params, enable, true);
+}
+
+int mt7915_mcu_add_rx_ba(struct mt7915_dev *dev,
+			 struct ieee80211_ampdu_params *params,
+			 bool enable)
+{
+	return mt7915_mcu_sta_ba(dev, params, enable, false);
+}
+
+static void
+mt7915_mcu_wtbl_generic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
+			    struct ieee80211_sta *sta, void *sta_wtbl,
+			    void *wtbl_tlv)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct wtbl_generic *generic;
+	struct wtbl_rx *rx;
+	struct tlv *tlv;
+
+	tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_GENERIC, sizeof(*generic),
+					wtbl_tlv, sta_wtbl);
+
+	generic = (struct wtbl_generic *)tlv;
+
+	if (sta) {
+		memcpy(generic->peer_addr, sta->addr, ETH_ALEN);
+		generic->partial_aid = cpu_to_le16(sta->aid);
+		generic->muar_idx = mvif->omac_idx;
+		generic->qos = sta->wme;
+	} else {
+		/* use BSSID in station mode */
+		if (vif->type == NL80211_IFTYPE_STATION)
+			memcpy(generic->peer_addr, vif->bss_conf.bssid,
+			       ETH_ALEN);
+		else
+			eth_broadcast_addr(generic->peer_addr);
+
+		generic->muar_idx = 0xe;
+	}
+
+	tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_RX, sizeof(*rx),
+					wtbl_tlv, sta_wtbl);
+
+	rx = (struct wtbl_rx *)tlv;
+	rx->rca1 = sta ? vif->type != NL80211_IFTYPE_AP : 1;
+	rx->rca2 = 1;
+	rx->rv = 1;
+}
+
+static void
+mt7915_mcu_sta_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
+			 struct ieee80211_sta *sta, bool enable)
+{
+#define EXTRA_INFO_VER          BIT(0)
+#define EXTRA_INFO_NEW          BIT(1)
+	struct sta_rec_basic *basic;
+	struct tlv *tlv;
+
+	tlv = mt7915_mcu_add_tlv(skb, STA_REC_BASIC, sizeof(*basic));
+
+	basic = (struct sta_rec_basic *)tlv;
+	basic->extra_info = cpu_to_le16(EXTRA_INFO_VER);
+
+	if (enable) {
+		basic->extra_info |= cpu_to_le16(EXTRA_INFO_NEW);
+		basic->conn_state = CONN_STATE_PORT_SECURE;
+	} else {
+		basic->conn_state = CONN_STATE_DISCONNECT;
+	}
+
+	if (!sta) {
+		basic->conn_type = cpu_to_le32(CONNECTION_INFRA_BC);
+		eth_broadcast_addr(basic->peer_addr);
+		return;
+	}
+
+	switch (vif->type) {
+	case NL80211_IFTYPE_MESH_POINT:
+	case NL80211_IFTYPE_AP:
+		basic->conn_type = cpu_to_le32(CONNECTION_INFRA_STA);
+		break;
+	case NL80211_IFTYPE_STATION:
+		basic->conn_type = cpu_to_le32(CONNECTION_INFRA_AP);
+		break;
+	case NL80211_IFTYPE_ADHOC:
+		basic->conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
+		break;
+	default:
+		WARN_ON(1);
+		break;
+	}
+
+	memcpy(basic->peer_addr, sta->addr, ETH_ALEN);
+	basic->aid = cpu_to_le16(sta->aid);
+	basic->qos = sta->wme;
+}
+
+static void
+mt7915_mcu_sta_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
+		   struct ieee80211_sta *sta)
+{
+	struct tlv *tlv;
+
+	if (sta->ht_cap.ht_supported) {
+		struct sta_rec_ht *ht;
+
+		/* starec ht */
+		tlv = mt7915_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht));
+		ht = (struct sta_rec_ht *)tlv;
+		ht->ht_cap = cpu_to_le16(sta->ht_cap.cap);
+	}
+
+	/* starec vht */
+	if (sta->vht_cap.vht_supported) {
+		struct sta_rec_vht *vht;
+
+		tlv = mt7915_mcu_add_tlv(skb, STA_REC_VHT, sizeof(*vht));
+		vht = (struct sta_rec_vht *)tlv;
+		vht->vht_cap = cpu_to_le32(sta->vht_cap.cap);
+		vht->vht_rx_mcs_map = sta->vht_cap.vht_mcs.rx_mcs_map;
+		vht->vht_tx_mcs_map = sta->vht_cap.vht_mcs.tx_mcs_map;
+	}
+}
+
+static void
+mt7915_mcu_wtbl_smps_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
+			 void *sta_wtbl, void *wtbl_tlv)
+{
+	struct wtbl_smps *smps;
+	struct tlv *tlv;
+
+	tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_SMPS, sizeof(*smps),
+					wtbl_tlv, sta_wtbl);
+	smps = (struct wtbl_smps *)tlv;
+
+	if (sta->smps_mode == IEEE80211_SMPS_DYNAMIC)
+		smps->smps = true;
+}
+
+static void
+mt7915_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
+		       void *sta_wtbl, void *wtbl_tlv)
+{
+	struct wtbl_ht *ht = NULL;
+	struct tlv *tlv;
+
+	/* wtbl ht */
+	if (sta->ht_cap.ht_supported) {
+		tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_HT, sizeof(*ht),
+						wtbl_tlv, sta_wtbl);
+		ht = (struct wtbl_ht *)tlv;
+		ht->ldpc = sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING;
+		ht->af = sta->ht_cap.ampdu_factor;
+		ht->mm = sta->ht_cap.ampdu_density;
+		ht->ht = true;
+	}
+
+	/* wtbl vht */
+	if (sta->vht_cap.vht_supported) {
+		struct wtbl_vht *vht;
+		u32 af;
+
+		tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_VHT, sizeof(*vht),
+						wtbl_tlv, sta_wtbl);
+		vht = (struct wtbl_vht *)tlv;
+		vht->ldpc = sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC,
+		vht->vht = true;
+
+		af = (sta->vht_cap.cap &
+		      IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
+		     IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
+
+		if (ht && af > ht->af)
+			ht->af = af;
+	}
+
+	mt7915_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_tlv);
+}
+
+int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+			struct ieee80211_sta *sta)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+	struct wtbl_req_hdr *wtbl_hdr;
+	struct tlv *sta_wtbl;
+	struct sk_buff *skb;
+
+	skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
+				       MT7915_STA_UPDATE_MAX_SIZE);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
+
+	wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
+					     &skb);
+	mt7915_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_hdr);
+
+	return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+				       MCU_EXT_CMD_STA_REC_UPDATE, true);
+}
+
+static void
+mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev,
+			     struct ieee80211_vif *vif,
+			     struct ieee80211_sta *sta)
+{
+	struct cfg80211_chan_def *chandef = &dev->mphy.chandef;
+	struct sta_rec_ra *ra;
+	struct tlv *tlv;
+	enum nl80211_band band = chandef->chan->band;
+	u32 supp_rate = sta->supp_rates[band];
+	int n_rates = hweight32(supp_rate);
+	u32 cap = sta->wme ? STA_CAP_WMM : 0;
+	u8 i, nss = sta->rx_nss, mcs = 0;
+
+	tlv = mt7915_mcu_add_tlv(skb, STA_REC_RA, sizeof(*ra));
+
+	ra = (struct sta_rec_ra *)tlv;
+	ra->valid = true;
+	ra->auto_rate = true;
+	ra->phy_mode = mt7915_get_phy_mode(dev, vif, band, sta);
+	ra->channel = chandef->chan->hw_value;
+	ra->bw = sta->bandwidth;
+	ra->rate_len = n_rates;
+	ra->phy.bw = sta->bandwidth;
+
+	if (n_rates) {
+		if (band == NL80211_BAND_2GHZ) {
+			ra->supp_mode = MODE_CCK;
+			ra->supp_cck_rate = supp_rate & GENMASK(3, 0);
+			ra->phy.type = MT_PHY_TYPE_CCK;
+
+			if (n_rates > 4) {
+				ra->supp_mode |= MODE_OFDM;
+				ra->supp_ofdm_rate = supp_rate >> 4;
+				ra->phy.type = MT_PHY_TYPE_OFDM;
+			}
+		} else {
+			ra->supp_mode = MODE_OFDM;
+			ra->supp_ofdm_rate = supp_rate;
+			ra->phy.type = MT_PHY_TYPE_OFDM;
+		}
+	}
+
+	if (sta->ht_cap.ht_supported) {
+		for (i = 0; i < nss; i++)
+			ra->ht_mcs[i] = sta->ht_cap.mcs.rx_mask[i];
+
+		ra->supp_ht_mcs = *(__le32 *)ra->ht_mcs;
+		ra->supp_mode |= MODE_HT;
+		mcs = hweight32(ra->supp_ht_mcs) - 1;
+		ra->af = sta->ht_cap.ampdu_factor;
+		ra->ht_gf = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD);
+
+		cap |= STA_CAP_HT;
+		if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)
+			cap |= STA_CAP_SGI_20;
+		if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
+			cap |= STA_CAP_SGI_40;
+		if (sta->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC)
+			cap |= STA_CAP_TX_STBC;
+		if (sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
+			cap |= STA_CAP_RX_STBC;
+		if (sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING)
+			cap |= STA_CAP_LDPC;
+	}
+
+	if (sta->vht_cap.vht_supported) {
+		__le16 mcs_map = sta->vht_cap.vht_mcs.rx_mcs_map;
+		u32 af;
+		u16 vht_mcs;
+		u8 mcs_prev;
+
+		af = (sta->vht_cap.cap &
+		      IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
+		     IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
+
+		if (af > sta->ht_cap.ampdu_factor)
+			ra->af = af;
+
+		cap |= STA_CAP_VHT;
+		if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
+			cap |= STA_CAP_VHT_SGI_80;
+		if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160)
+			cap |= STA_CAP_VHT_SGI_160;
+		if (sta->vht_cap.cap & IEEE80211_VHT_CAP_TXSTBC)
+			cap |= STA_CAP_VHT_TX_STBC;
+		if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_1)
+			cap |= STA_CAP_VHT_RX_STBC;
+		if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC)
+			cap |= STA_CAP_VHT_LDPC;
+
+		ra->supp_mode |= MODE_VHT;
+		for (mcs = 0, i = 0; i < nss; i++, mcs_map >>= 2) {
+			switch (mcs_map & 0x3) {
+			case IEEE80211_VHT_MCS_SUPPORT_0_9:
+				vht_mcs = GENMASK(9, 0);
+				break;
+			case IEEE80211_VHT_MCS_SUPPORT_0_8:
+				vht_mcs = GENMASK(8, 0);
+				break;
+			case IEEE80211_VHT_MCS_SUPPORT_0_7:
+				vht_mcs = GENMASK(7, 0);
+				break;
+			default:
+				vht_mcs = 0;
+			}
+
+			ra->supp_vht_mcs[i] = cpu_to_le16(vht_mcs);
+
+			mcs_prev = hweight16(vht_mcs) - 1;
+			if (mcs_prev > mcs)
+				mcs = mcs_prev;
+
+			/* only support 2ss on 160MHz */
+			if (i > 1 && (ra->bw == CMD_CBW_160MHZ ||
+				      ra->bw == CMD_CBW_8080MHZ))
+				break;
+		}
+	}
+
+	ra->sta_status = cpu_to_le32(cap);
+
+	switch (BIT(fls(ra->supp_mode) - 1)) {
+	case MODE_VHT:
+		ra->phy.type = MT_PHY_TYPE_VHT;
+		ra->phy.mcs = mcs;
+		ra->phy.nss = nss;
+		ra->phy.stbc = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_TXSTBC);
+		ra->phy.ldpc = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC);
+		ra->phy.sgi =
+			!!(sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80);
+		break;
+	case MODE_HT:
+		ra->phy.type = MT_PHY_TYPE_HT;
+		ra->phy.mcs = mcs;
+		ra->phy.ldpc = sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING;
+		ra->phy.stbc = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC);
+		ra->phy.sgi = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20);
+		break;
+	default:
+		break;
+	}
+}
+
+int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+			     struct ieee80211_sta *sta)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+	struct sk_buff *skb;
+
+	skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
+				       MT7915_STA_UPDATE_MAX_SIZE);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	mt7915_mcu_sta_rate_ctrl_tlv(skb, dev, vif, sta);
+
+	return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+				       MCU_EXT_CMD_STA_REC_UPDATE, true);
+}
+
+int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+		       struct ieee80211_sta *sta, bool enable)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct wtbl_req_hdr *wtbl_hdr;
+	struct mt7915_sta *msta;
+	struct tlv *sta_wtbl;
+	struct sk_buff *skb;
+	int ret;
+
+	msta = sta ? (struct mt7915_sta *)sta->drv_priv : &mvif->sta;
+
+	skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
+				       MT7915_STA_UPDATE_MAX_SIZE);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	mt7915_mcu_sta_basic_tlv(skb, vif, sta, enable);
+	if (enable && sta)
+		mt7915_mcu_sta_tlv(dev, skb, sta);
+
+	sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
+
+	wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_RESET_AND_SET,
+					     sta_wtbl, &skb);
+	if (enable) {
+		mt7915_mcu_wtbl_generic_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
+		if (sta)
+			mt7915_mcu_wtbl_ht_tlv(skb, sta, sta_wtbl, wtbl_hdr);
+	}
+
+	ret = __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+				      MCU_EXT_CMD_STA_REC_UPDATE, true);
+	if (ret)
+		return ret;
+
+	if (enable && sta)
+		return mt7915_mcu_add_rate_ctrl(dev, vif, sta);
+
+	return 0;
+}
+
+int mt7915_mcu_add_dev_info(struct mt7915_dev *dev,
+			    struct ieee80211_vif *vif, bool enable)
+{
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct {
+		struct req_hdr {
+			u8 omac_idx;
+			u8 dbdc_idx;
+			__le16 tlv_num;
+			u8 is_tlv_append;
+			u8 rsv[3];
+		} __packed hdr;
+		struct req_tlv {
+			__le16 tag;
+			__le16 len;
+			u8 active;
+			u8 dbdc_idx;
+			u8 omac_addr[ETH_ALEN];
+		} __packed tlv;
+	} data = {
+		.hdr = {
+			.omac_idx = mvif->omac_idx,
+			.dbdc_idx = mvif->band_idx,
+			.tlv_num = cpu_to_le16(1),
+			.is_tlv_append = 1,
+		},
+		.tlv = {
+			.tag = cpu_to_le16(DEV_INFO_ACTIVE),
+			.len = cpu_to_le16(sizeof(struct req_tlv)),
+			.active = enable,
+			.dbdc_idx = mvif->band_idx,
+		},
+	};
+
+	memcpy(data.tlv.omac_addr, vif->addr, ETH_ALEN);
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_DEV_INFO_UPDATE,
+				   &data, sizeof(data), true);
+}
+
+static void
+mt7915_mcu_beacon_csa(struct sk_buff *rskb, struct sk_buff *skb,
+		      struct bss_info_bcn *bcn,
+		      struct ieee80211_mutable_offsets *offs)
+{
+	if (offs->csa_counter_offs[0]) {
+		struct tlv *tlv;
+		struct bss_info_bcn_csa *csa;
+
+		tlv = mt7915_mcu_add_nested_subtlv(rskb, BSS_INFO_BCN_CSA,
+						   sizeof(*csa), &bcn->sub_ntlv,
+						   &bcn->len);
+		csa = (struct bss_info_bcn_csa *)tlv;
+		csa->cnt = skb->data[offs->csa_counter_offs[0]];
+	}
+}
+
+static void
+mt7915_mcu_beacon_cont(struct mt7915_dev *dev, struct sk_buff *rskb,
+		       struct sk_buff *skb, struct bss_info_bcn *bcn,
+		       struct ieee80211_mutable_offsets *offs)
+{
+	struct mt76_wcid *wcid = &dev->mt76.global_wcid;
+	struct bss_info_bcn_cont *cont;
+	struct tlv *tlv;
+	u8 *buf;
+	int len = sizeof(*cont) + MT_TXD_SIZE + skb->len;
+
+	tlv = mt7915_mcu_add_nested_subtlv(rskb, BSS_INFO_BCN_CONTENT,
+					   len, &bcn->sub_ntlv, &bcn->len);
+
+	cont = (struct bss_info_bcn_cont *)tlv;
+	cont->pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
+	cont->tim_ofs = cpu_to_le16(offs->tim_offset);
+
+	if (offs->csa_counter_offs[0])
+		cont->csa_ofs = cpu_to_le16(offs->csa_counter_offs[0] - 4);
+
+	buf = (u8 *)tlv + sizeof(*cont);
+	mt7915_mac_write_txwi(dev, (__le32 *)buf, skb, wcid, NULL,
+			      true);
+	memcpy(buf + MT_TXD_SIZE, skb->data, skb->len);
+}
+
+int mt7915_mcu_add_beacon(struct ieee80211_hw *hw,
+			  struct ieee80211_vif *vif, int en)
+{
+#define MAX_BEACON_SIZE 512
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct ieee80211_mutable_offsets offs;
+	struct ieee80211_tx_info *info;
+	struct sk_buff *skb, *rskb;
+	struct tlv *tlv;
+	struct bss_info_bcn *bcn;
+	int len = MT7915_BEACON_UPDATE_SIZE + MAX_BEACON_SIZE;
+
+	rskb = mt7915_mcu_alloc_sta_req(dev, mvif, NULL, len);
+	if (IS_ERR(rskb))
+		return PTR_ERR(rskb);
+
+	tlv = mt7915_mcu_add_tlv(rskb, BSS_INFO_OFFLOAD, sizeof(*bcn));
+	bcn = (struct bss_info_bcn *)tlv;
+	bcn->enable = en;
+
+	skb = ieee80211_beacon_get_template(hw, vif, &offs);
+	if (!skb)
+		return -EINVAL;
+
+	if (skb->len > MAX_BEACON_SIZE - MT_TXD_SIZE) {
+		dev_err(dev->mt76.dev, "Bcn size limit exceed\n");
+		dev_kfree_skb(skb);
+		return -EINVAL;
+	}
+
+	if (mvif->band_idx) {
+		info = IEEE80211_SKB_CB(skb);
+		info->hw_queue |= MT_TX_HW_QUEUE_EXT_PHY;
+	}
+
+	/* TODO: subtag - bss color count & 11v MBSSID */
+	mt7915_mcu_beacon_csa(rskb, skb, bcn, &offs);
+	mt7915_mcu_beacon_cont(dev, rskb, skb, bcn, &offs);
+	dev_kfree_skb(skb);
+
+	return __mt76_mcu_skb_send_msg(&phy->dev->mt76, rskb,
+				       MCU_EXT_CMD_BSS_INFO_UPDATE, true);
+}
+
+static int mt7915_mcu_send_firmware(struct mt7915_dev *dev, const void *data,
+				    int len)
+{
+	int ret = 0, cur_len;
+
+	while (len > 0) {
+		cur_len = min_t(int, 4096 - sizeof(struct mt7915_mcu_txd),
+				len);
+
+		ret = __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_SCATTER,
+					  data, cur_len, false);
+		if (ret)
+			break;
+
+		data += cur_len;
+		len -= cur_len;
+		mt76_queue_tx_cleanup(dev, MT_TXQ_FWDL, false);
+	}
+
+	return ret;
+}
+
+static int mt7915_mcu_start_firmware(struct mt7915_dev *dev, u32 addr,
+				     u32 option)
+{
+	struct {
+		__le32 option;
+		__le32 addr;
+	} req = {
+		.option = cpu_to_le32(option),
+		.addr = cpu_to_le32(addr),
+	};
+
+	return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_START_REQ,
+				   &req, sizeof(req), true);
+}
+
+static int mt7915_mcu_restart(struct mt76_dev *dev)
+{
+	struct {
+		u8 power_mode;
+		u8 rsv[3];
+	} req = {
+		.power_mode = 1,
+	};
+
+	return __mt76_mcu_send_msg(dev, -MCU_CMD_NIC_POWER_CTRL, &req,
+				   sizeof(req), false);
+}
+
+static int mt7915_mcu_patch_sem_ctrl(struct mt7915_dev *dev, bool get)
+{
+	struct {
+		__le32 op;
+	} req = {
+		.op = cpu_to_le32(get ? PATCH_SEM_GET : PATCH_SEM_RELEASE),
+	};
+
+	return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_PATCH_SEM_CONTROL,
+				   &req, sizeof(req), true);
+}
+
+static int mt7915_mcu_start_patch(struct mt7915_dev *dev)
+{
+	struct {
+		u8 check_crc;
+		u8 reserved[3];
+	} req = {
+		.check_crc = 0,
+	};
+
+	return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_PATCH_FINISH_REQ,
+				   &req, sizeof(req), true);
+}
+
+static int mt7915_driver_own(struct mt7915_dev *dev)
+{
+	u32 reg = mt7915_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
+
+	mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);
+	if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,
+			    0, 500)) {
+		dev_err(dev->mt76.dev, "Timeout for driver own\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static int mt7915_mcu_init_download(struct mt7915_dev *dev, u32 addr,
+				    u32 len, u32 mode)
+{
+	struct {
+		__le32 addr;
+		__le32 len;
+		__le32 mode;
+	} req = {
+		.addr = cpu_to_le32(addr),
+		.len = cpu_to_le32(len),
+		.mode = cpu_to_le32(mode),
+	};
+	int attr;
+
+	if (req.addr == MCU_PATCH_ADDRESS)
+		attr = -MCU_CMD_PATCH_START_REQ;
+	else
+		attr = -MCU_CMD_TARGET_ADDRESS_LEN_REQ;
+
+	return __mt76_mcu_send_msg(&dev->mt76, attr, &req, sizeof(req), true);
+}
+
+static int mt7915_load_patch(struct mt7915_dev *dev)
+{
+	const struct mt7915_patch_hdr *hdr;
+	const struct firmware *fw = NULL;
+	int i, ret, sem;
+
+	sem = mt7915_mcu_patch_sem_ctrl(dev, 1);
+	switch (sem) {
+	case PATCH_IS_DL:
+		return 0;
+	case PATCH_NOT_DL_SEM_SUCCESS:
+		break;
+	default:
+		dev_err(dev->mt76.dev, "Failed to get patch semaphore\n");
+		return -EAGAIN;
+	}
+
+	ret = request_firmware(&fw, MT7915_ROM_PATCH, dev->mt76.dev);
+	if (ret)
+		goto out;
+
+	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
+		dev_err(dev->mt76.dev, "Invalid firmware\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	hdr = (const struct mt7915_patch_hdr *)(fw->data);
+
+	dev_info(dev->mt76.dev, "HW/SW Version: 0x%x, Build Time: %.16s\n",
+		 be32_to_cpu(hdr->hw_sw_ver), hdr->build_date);
+
+	for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) {
+		struct mt7915_patch_sec *sec;
+		const u8 *dl;
+		u32 len, addr;
+
+		sec = (struct mt7915_patch_sec *)(fw->data + sizeof(*hdr) +
+						  i * sizeof(*sec));
+		if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) !=
+		    PATCH_SEC_TYPE_INFO) {
+			ret = -EINVAL;
+			goto out;
+		}
+
+		addr = be32_to_cpu(sec->info.addr);
+		len = be32_to_cpu(sec->info.len);
+		dl = fw->data + be32_to_cpu(sec->offs);
+
+		ret = mt7915_mcu_init_download(dev, addr, len,
+					       DL_MODE_NEED_RSP);
+		if (ret) {
+			dev_err(dev->mt76.dev, "Download request failed\n");
+			goto out;
+		}
+
+		ret = mt7915_mcu_send_firmware(dev, dl, len);
+		if (ret) {
+			dev_err(dev->mt76.dev, "Failed to send patch\n");
+			goto out;
+		}
+	}
+
+	ret = mt7915_mcu_start_patch(dev);
+	if (ret)
+		dev_err(dev->mt76.dev, "Failed to start patch\n");
+
+out:
+	sem = mt7915_mcu_patch_sem_ctrl(dev, 0);
+	switch (sem) {
+	case PATCH_REL_SEM_SUCCESS:
+		break;
+	default:
+		ret = -EAGAIN;
+		dev_err(dev->mt76.dev, "Failed to release patch semaphore\n");
+		goto out;
+	}
+	release_firmware(fw);
+
+	return ret;
+}
+
+static u32 mt7915_mcu_gen_dl_mode(u8 feature_set, bool is_wa)
+{
+	u32 ret = 0;
+
+	ret |= (feature_set & FW_FEATURE_SET_ENCRYPT) ?
+	       (DL_MODE_ENCRYPT | DL_MODE_RESET_SEC_IV) : 0;
+	ret |= FIELD_PREP(DL_MODE_KEY_IDX,
+			  FIELD_GET(FW_FEATURE_SET_KEY_IDX, feature_set));
+	ret |= DL_MODE_NEED_RSP;
+	ret |= is_wa ? DL_MODE_WORKING_PDA_CR4 : 0;
+
+	return ret;
+}
+
+static int
+mt7915_mcu_send_ram_firmware(struct mt7915_dev *dev,
+			     const struct mt7915_fw_trailer *hdr,
+			     const u8 *data, bool is_wa)
+{
+	int i, offset = 0;
+	u32 override = 0, option = 0;
+
+	for (i = 0; i < hdr->n_region; i++) {
+		const struct mt7915_fw_region *region;
+		int err;
+		u32 len, addr, mode;
+
+		region = (const struct mt7915_fw_region *)((const u8 *)hdr -
+			 (hdr->n_region - i) * sizeof(*region));
+		mode = mt7915_mcu_gen_dl_mode(region->feature_set, is_wa);
+		len = le32_to_cpu(region->len);
+		addr = le32_to_cpu(region->addr);
+
+		if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR)
+			override = addr;
+
+		err = mt7915_mcu_init_download(dev, addr, len, mode);
+		if (err) {
+			dev_err(dev->mt76.dev, "Download request failed\n");
+			return err;
+		}
+
+		err = mt7915_mcu_send_firmware(dev, data + offset, len);
+		if (err) {
+			dev_err(dev->mt76.dev, "Failed to send firmware.\n");
+			return err;
+		}
+
+		offset += len;
+	}
+
+	if (override)
+		option |= FW_START_OVERRIDE;
+
+	if (is_wa)
+		option |= FW_START_WORKING_PDA_CR4;
+
+	return mt7915_mcu_start_firmware(dev, override, option);
+}
+
+static int mt7915_load_ram(struct mt7915_dev *dev)
+{
+	const struct mt7915_fw_trailer *hdr;
+	const struct firmware *fw;
+	int ret;
+
+	ret = request_firmware(&fw, MT7915_FIRMWARE_WM, dev->mt76.dev);
+	if (ret)
+		return ret;
+
+	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
+		dev_err(dev->mt76.dev, "Invalid firmware\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	hdr = (const struct mt7915_fw_trailer *)(fw->data + fw->size -
+					sizeof(*hdr));
+
+	dev_info(dev->mt76.dev, "WM Firmware Version: %.10s, Build Time: %.15s\n",
+		 hdr->fw_ver, hdr->build_date);
+
+	ret = mt7915_mcu_send_ram_firmware(dev, hdr, fw->data, false);
+	if (ret) {
+		dev_err(dev->mt76.dev, "Failed to start WM firmware\n");
+		goto out;
+	}
+
+	release_firmware(fw);
+
+	ret = request_firmware(&fw, MT7915_FIRMWARE_WA, dev->mt76.dev);
+	if (ret)
+		return ret;
+
+	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
+		dev_err(dev->mt76.dev, "Invalid firmware\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	hdr = (const struct mt7915_fw_trailer *)(fw->data + fw->size -
+					sizeof(*hdr));
+
+	dev_info(dev->mt76.dev, "WA Firmware Version: %.10s, Build Time: %.15s\n",
+		 hdr->fw_ver, hdr->build_date);
+
+	ret = mt7915_mcu_send_ram_firmware(dev, hdr, fw->data, true);
+	if (ret) {
+		dev_err(dev->mt76.dev, "Failed to start WA firmware\n");
+		goto out;
+	}
+
+	snprintf(dev->mt76.hw->wiphy->fw_version,
+		 sizeof(dev->mt76.hw->wiphy->fw_version),
+		 "%.10s-%.15s", hdr->fw_ver, hdr->build_date);
+
+out:
+	release_firmware(fw);
+
+	return ret;
+}
+
+static int mt7915_load_firmware(struct mt7915_dev *dev)
+{
+	int ret;
+	u32 val, reg = mt7915_reg_map_l1(dev, MT_TOP_MISC);
+
+	val = FIELD_PREP(MT_TOP_MISC_FW_STATE, FW_STATE_FW_DOWNLOAD);
+
+	if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE, val, 1000)) {
+		/* restart firmware once */
+		__mt76_mcu_restart(&dev->mt76);
+		if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE,
+				    val, 1000)) {
+			dev_err(dev->mt76.dev,
+				"Firmware is not ready for download\n");
+			return -EIO;
+		}
+	}
+
+	ret = mt7915_load_patch(dev);
+	if (ret)
+		return ret;
+
+	ret = mt7915_load_ram(dev);
+	if (ret)
+		return ret;
+
+	if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE,
+			    FIELD_PREP(MT_TOP_MISC_FW_STATE,
+				       FW_STATE_WACPU_RDY), 1000)) {
+		dev_err(dev->mt76.dev, "Timeout for initializing firmware\n");
+		return -EIO;
+	}
+
+	mt76_queue_tx_cleanup(dev, MT_TXQ_FWDL, false);
+
+	dev_dbg(dev->mt76.dev, "Firmware init done\n");
+
+	return 0;
+}
+
+int mt7915_mcu_init(struct mt7915_dev *dev)
+{
+	static const struct mt76_mcu_ops mt7915_mcu_ops = {
+		.headroom = sizeof(struct mt7915_mcu_txd),
+		.mcu_skb_send_msg = mt7915_mcu_send_message,
+		.mcu_send_msg = mt7915_mcu_msg_send,
+		.mcu_restart = mt7915_mcu_restart,
+	};
+	int ret;
+
+	dev->mt76.mcu_ops = &mt7915_mcu_ops,
+
+	ret = mt7915_driver_own(dev);
+	if (ret)
+		return ret;
+
+	ret = mt7915_load_firmware(dev);
+	if (ret)
+		return ret;
+
+	set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
+
+	return 0;
+}
+
+void mt7915_mcu_exit(struct mt7915_dev *dev)
+{
+	u32 reg = mt7915_reg_map_l1(dev, MT_TOP_MISC);
+
+	__mt76_mcu_restart(&dev->mt76);
+	if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE,
+			    FIELD_PREP(MT_TOP_MISC_FW_STATE,
+				       FW_STATE_FW_DOWNLOAD), 1000)) {
+		dev_err(dev->mt76.dev, "Failed to exit mcu\n");
+		return;
+	}
+
+	reg = mt7915_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
+	mt76_wr(dev, reg, MT_TOP_LPCR_HOST_FW_OWN);
+	skb_queue_purge(&dev->mt76.mcu.res_q);
+}
+
+int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band,
+		       bool enable, bool hdr_trans)
+{
+	struct {
+		u8 operation;
+		u8 enable;
+		u8 check_bssid;
+		u8 insert_vlan;
+		u8 remove_vlan;
+		u8 tid;
+		u8 mode;
+		u8 rsv;
+	} __packed req_trans = {
+		.enable = hdr_trans,
+	};
+	struct {
+		u8 enable;
+		u8 band;
+		u8 rsv[2];
+	} __packed req_mac = {
+		.enable = enable,
+		.band = band,
+	};
+	int ret;
+
+	ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RX_HDR_TRANS,
+				  &req_trans, sizeof(req_trans), false);
+	if (ret)
+		return ret;
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_MAC_INIT_CTRL,
+				   &req_mac, sizeof(req_mac), true);
+}
+
+int mt7915_mcu_set_scs(struct mt7915_dev *dev, u8 band, bool enable)
+{
+	struct {
+		__le32 cmd;
+		u8 band;
+		u8 enable;
+	} __packed req = {
+		.cmd = cpu_to_le32(SCS_ENABLE),
+		.band = band,
+		.enable = enable + 1,
+	};
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SCS_CTRL, &req,
+				   sizeof(req), false);
+}
+
+int mt7915_mcu_set_rts_thresh(struct mt7915_phy *phy, u32 val)
+{
+	struct mt7915_dev *dev = phy->dev;
+	struct {
+		u8 prot_idx;
+		u8 band;
+		u8 rsv[2];
+		__le32 len_thresh;
+		__le32 pkt_thresh;
+	} __packed req = {
+		.prot_idx = 1,
+		.band = phy != &dev->phy,
+		.len_thresh = cpu_to_le32(val),
+		.pkt_thresh = cpu_to_le32(0x2),
+	};
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PROTECT_CTRL,
+				   &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif)
+{
+#define WMM_AIFS_SET		BIT(0)
+#define WMM_CW_MIN_SET		BIT(1)
+#define WMM_CW_MAX_SET		BIT(2)
+#define WMM_TXOP_SET		BIT(3)
+#define WMM_PARAM_SET		GENMASK(3, 0)
+#define TX_CMD_MODE		1
+	struct edca {
+		u8 queue;
+		u8 set;
+		u8 aifs;
+		u8 cw_min;
+		__le16 cw_max;
+		__le16 txop;
+	};
+	struct mt7915_mcu_tx {
+		u8 total;
+		u8 action;
+		u8 valid;
+		u8 mode;
+
+		struct edca edca[IEEE80211_NUM_ACS];
+	} __packed req = {
+		.valid = true,
+		.mode = TX_CMD_MODE,
+		.total = IEEE80211_NUM_ACS,
+	};
+	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	int ac;
+
+	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+		struct edca *e = &req.edca[ac];
+
+		e->queue = ac + mvif->wmm_idx * MT7915_MAX_WMM_SETS;
+		e->aifs = mvif->wmm[ac].aifs;
+		e->txop = cpu_to_le16(mvif->wmm[ac].txop);
+
+		if (mvif->wmm[ac].cw_min)
+			e->cw_min = fls(mvif->wmm[ac].cw_max);
+		else
+			e->cw_min = 5;
+
+		if (mvif->wmm[ac].cw_max)
+			e->cw_max = cpu_to_le16(fls(mvif->wmm[ac].cw_max));
+		else
+			e->cw_max = cpu_to_le16(10);
+	}
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE,
+				  &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_pm(struct mt7915_dev *dev, int band, int enter)
+{
+#define ENTER_PM_STATE		1
+#define EXIT_PM_STATE		2
+	struct {
+		u8 pm_number;
+		u8 pm_state;
+		u8 bssid[ETH_ALEN];
+		u8 dtim_period;
+		u8 wlan_idx_lo;
+		__le16 bcn_interval;
+		__le32 aid;
+		__le32 rx_filter;
+		u8 band_idx;
+		u8 wlan_idx_hi;
+		u8 rsv[2];
+		__le32 feature;
+		u8 omac_idx;
+		u8 wmm_idx;
+		u8 bcn_loss_cnt;
+		u8 bcn_sp_duration;
+	} __packed req = {
+		.pm_number = 5,
+		.pm_state = (enter) ? ENTER_PM_STATE : EXIT_PM_STATE,
+		.band_idx = band,
+	};
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PM_STATE_CTRL,
+				   &req, sizeof(req), true);
+}
+
+int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev,
+		       enum mt7915_rdd_cmd cmd, u8 index,
+		       u8 rx_sel, u8 val)
+{
+	struct {
+		u8 ctrl;
+		u8 rdd_idx;
+		u8 rdd_rx_sel;
+		u8 val;
+		u8 rsv[4];
+	} __packed req = {
+		.ctrl = cmd,
+		.rdd_idx = index,
+		.rdd_rx_sel = rx_sel,
+		.val = val,
+	};
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_CTRL,
+				   &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_fcc5_lpn(struct mt7915_dev *dev, int val)
+{
+	struct {
+		u32 tag;
+		u16 min_lpn;
+		u8 rsv[2];
+	} __packed req = {
+		.tag = 0x1,
+		.min_lpn = val,
+	};
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH,
+				   &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_pulse_th(struct mt7915_dev *dev,
+			    const struct mt7915_dfs_pulse *pulse)
+{
+	struct {
+		u32 tag;
+		struct mt7915_dfs_pulse pulse;
+	} __packed req = {
+		.tag = 0x3,
+	};
+
+	memcpy(&req.pulse, pulse, sizeof(*pulse));
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH,
+				   &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int index,
+			    const struct mt7915_dfs_pattern *pattern)
+{
+	struct {
+		u32 tag;
+		u16 radar_type;
+		struct mt7915_dfs_pattern pattern;
+	} __packed req = {
+		.tag = 0x2,
+		.radar_type = index,
+	};
+
+	memcpy(&req.pattern, pattern, sizeof(*pattern));
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH,
+				   &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd)
+{
+	struct mt7915_dev *dev = phy->dev;
+	struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+	int freq1 = chandef->center_freq1;
+	struct {
+		u8 control_ch;
+		u8 center_ch;
+		u8 bw;
+		u8 tx_streams_num;
+		u8 rx_streams;	/* mask or num */
+		u8 switch_reason;
+		u8 band_idx;
+		u8 center_ch2;	/* for 80+80 only */
+		__le16 cac_case;
+		u8 channel_band;
+		u8 rsv0;
+		__le32 outband_freq;
+		u8 txpower_drop;
+		u8 ap_bw;
+		u8 ap_center_ch;
+		u8 rsv1[57];
+	} __packed req = {
+		.control_ch = chandef->chan->hw_value,
+		.center_ch = ieee80211_frequency_to_channel(freq1),
+		.bw = mt7915_mcu_chan_bw(chandef),
+		.tx_streams_num = hweight8(phy->mt76->antenna_mask),
+		.rx_streams = phy->chainmask,
+		.band_idx = phy != &dev->phy,
+		.channel_band = chandef->chan->band,
+	};
+
+	if ((chandef->chan->flags & IEEE80211_CHAN_RADAR) &&
+	    chandef->chan->dfs_state != NL80211_DFS_AVAILABLE)
+		req.switch_reason = CH_SWITCH_DFS;
+	else
+		req.switch_reason = CH_SWITCH_NORMAL;
+
+	if (cmd == MCU_EXT_CMD_CHANNEL_SWITCH)
+		req.rx_streams = hweight8(req.rx_streams);
+
+	if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
+		int freq2 = chandef->center_freq2;
+
+		req.center_ch2 = ieee80211_frequency_to_channel(freq2);
+	}
+
+	return __mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_eeprom(struct mt7915_dev *dev)
+{
+	struct req_hdr {
+		u8 buffer_mode;
+		u8 format;
+		__le16 len;
+	} __packed req = {
+		.buffer_mode = EE_MODE_EFUSE,
+		.format = EE_FORMAT_WHOLE,
+	};
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_BUFFER_MODE,
+				   &req, sizeof(req), true);
+}
+
+int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset)
+{
+	struct mt7915_mcu_eeprom_info req = {
+		.addr = cpu_to_le32(round_down(offset, 16)),
+	};
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_ACCESS, &req,
+				   sizeof(req), true);
+}
+
+int mt7915_mcu_get_temperature(struct mt7915_dev *dev, int index)
+{
+	struct {
+		u8 ctrl_id;
+		u8 action;
+		u8 band;
+		u8 rsv[5];
+	} req = {
+		.ctrl_id = THERMAL_SENSOR_TEMP_QUERY,
+		.action = index,
+	};
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_THERMAL_CTRL, &req,
+				   sizeof(req), true);
+}
+
+int mt7915_mcu_get_rate_info(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx)
+{
+	struct {
+		__le32 cmd;
+		u16 wlan_idx;
+		u16 ru_idx;
+		u16 direction;
+		u16 dump_group;
+	} req = {
+		.cmd = cpu_to_le32(cmd),
+		.wlan_idx = wlan_idx,
+		.dump_group = 1,
+	};
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RATE_CTRL, &req,
+				   sizeof(req), false);
+}
+
+int mt7915_mcu_set_ser(struct mt7915_dev *dev, u8 action, u8 set, u8 band)
+{
+	struct {
+		u8 action;
+		u8 set;
+		u8 band;
+		u8 rsv;
+	} req = {
+		.action = action,
+		.set = set,
+		.band = band,
+	};
+
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_SER_TRIGGER,
+				   &req, sizeof(req), false);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
new file mode 100644
index 000000000000..5e4708861ede
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -0,0 +1,837 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#ifndef __MT7915_MCU_H
+#define __MT7915_MCU_H
+
+struct mt7915_mcu_txd {
+	__le32 txd[8];
+
+	__le16 len;
+	__le16 pq_id;
+
+	u8 cid;
+	u8 pkt_type;
+	u8 set_query; /* FW don't care */
+	u8 seq;
+
+	u8 uc_d2b0_rev;
+	u8 ext_cid;
+	u8 s2d_index;
+	u8 ext_cid_ack;
+
+	u32 reserved[5];
+} __packed __aligned(4);
+
+/* event table */
+enum {
+	MCU_EVENT_TARGET_ADDRESS_LEN = 0x01,
+	MCU_EVENT_FW_START = 0x01,
+	MCU_EVENT_GENERIC = 0x01,
+	MCU_EVENT_ACCESS_REG = 0x02,
+	MCU_EVENT_MT_PATCH_SEM = 0x04,
+	MCU_EVENT_CH_PRIVILEGE = 0x18,
+	MCU_EVENT_EXT = 0xed,
+	MCU_EVENT_RESTART_DL = 0xef,
+};
+
+/* ext event table */
+enum {
+	MCU_EXT_EVENT_PS_SYNC = 0x5,
+	MCU_EXT_EVENT_THERMAL_PROTECT = 0x22,
+	MCU_EXT_EVENT_ASSERT_DUMP = 0x23,
+	MCU_EXT_EVENT_RDD_REPORT = 0x3a,
+	MCU_EXT_EVENT_CSA_NOTIFY = 0x4f,
+	MCU_EXT_EVENT_RATE_REPORT = 0x87,
+};
+
+struct mt7915_mcu_rxd {
+	__le32 rxd[6];
+
+	__le16 len;
+	__le16 pkt_type_id;
+
+	u8 eid;
+	u8 seq;
+	__le16 __rsv;
+
+	u8 ext_eid;
+	u8 __rsv1[2];
+	u8 s2d_index;
+};
+
+struct mt7915_mcu_rdd_report {
+	struct mt7915_mcu_rxd rxd;
+
+	u8 idx;
+	u8 long_detected;
+	u8 constant_prf_detected;
+	u8 staggered_prf_detected;
+	u8 radar_type_idx;
+	u8 periodic_pulse_num;
+	u8 long_pulse_num;
+	u8 hw_pulse_num;
+
+	u8 out_lpn;
+	u8 out_spn;
+	u8 out_crpn;
+	u8 out_crpw;
+	u8 out_crbn;
+	u8 out_stgpn;
+	u8 out_stgpw;
+
+	u8 rsv;
+
+	__le32 out_pri_const;
+	__le32 out_pri_stg[3];
+
+	struct {
+		__le32 start;
+		__le16 pulse_width;
+		__le16 pulse_power;
+		u8 mdrdy_flag;
+		u8 rsv[3];
+	} long_pulse[32];
+
+	struct {
+		__le32 start;
+		__le16 pulse_width;
+		__le16 pulse_power;
+		u8 mdrdy_flag;
+		u8 rsv[3];
+	} periodic_pulse[32];
+
+	struct {
+		__le32 start;
+		__le16 pulse_width;
+		__le16 pulse_power;
+		u8 sc_pass;
+		u8 sw_reset;
+		u8 mdrdy_flag;
+		u8 tx_active;
+	} hw_pulse[32];
+} __packed;
+
+struct mt7915_mcu_eeprom_info {
+	__le32 addr;
+	__le32 valid;
+	u8 data[16];
+} __packed;
+
+struct mt7915_mcu_ra_info {
+	struct mt7915_mcu_rxd rxd;
+
+	__le32 event_id;
+	__le16 wlan_idx;
+	__le16 ru_idx;
+	__le16 direction;
+	__le16 dump_group;
+
+	__le32 suggest_rate;
+	__le32 min_rate;	/* for dynamic sounding */
+	__le32 max_rate;	/* for dynamic sounding */
+	__le32 init_rate_down_rate;
+
+	__le16 curr_rate;
+	__le16 init_rate_down_total;
+	__le16 init_rate_down_succ;
+	__le16 success;
+	__le16 attempts;
+
+	__le16 prev_rate;
+	__le16 prob_up_rate;
+	u8 no_rate_up_cnt;
+	u8 ppdu_cnt;
+	u8 gi;
+
+	u8 try_up_fail;
+	u8 try_up_total;
+	u8 suggest_wf;
+	u8 try_up_check;
+	u8 prob_up_period;
+	u8 prob_down_pending;
+} __packed;
+
+#define MT_RA_RATE_NSS			GENMASK(8, 6)
+#define MT_RA_RATE_MCS			GENMASK(3, 0)
+#define MT_RA_RATE_TX_MODE		GENMASK(12, 9)
+#define MT_RA_RATE_DCM_EN		BIT(4)
+#define MT_RA_RATE_BW			GENMASK(14, 13)
+
+#define MCU_PQ_ID(p, q)			(((p) << 15) | ((q) << 10))
+#define MCU_PKT_ID			0xa0
+
+enum {
+	MCU_Q_QUERY,
+	MCU_Q_SET,
+	MCU_Q_RESERVED,
+	MCU_Q_NA
+};
+
+enum {
+	MCU_S2D_H2N,
+	MCU_S2D_C2N,
+	MCU_S2D_H2C,
+	MCU_S2D_H2CN
+};
+
+enum {
+	MCU_CMD_TARGET_ADDRESS_LEN_REQ = 0x01,
+	MCU_CMD_FW_START_REQ = 0x02,
+	MCU_CMD_INIT_ACCESS_REG = 0x3,
+	MCU_CMD_NIC_POWER_CTRL = 0x4,
+	MCU_CMD_PATCH_START_REQ = 0x05,
+	MCU_CMD_PATCH_FINISH_REQ = 0x07,
+	MCU_CMD_PATCH_SEM_CONTROL = 0x10,
+	MCU_CMD_EXT_CID = 0xED,
+	MCU_CMD_FW_SCATTER = 0xEE,
+	MCU_CMD_RESTART_DL_REQ = 0xEF,
+};
+
+enum {
+	MCU_EXT_CMD_EFUSE_ACCESS = 0x01,
+	MCU_EXT_CMD_PM_STATE_CTRL = 0x07,
+	MCU_EXT_CMD_CHANNEL_SWITCH = 0x08,
+	MCU_EXT_CMD_EFUSE_BUFFER_MODE = 0x21,
+	MCU_EXT_CMD_STA_REC_UPDATE = 0x25,
+	MCU_EXT_CMD_BSS_INFO_UPDATE = 0x26,
+	MCU_EXT_CMD_EDCA_UPDATE = 0x27,
+	MCU_EXT_CMD_DEV_INFO_UPDATE = 0x2A,
+	MCU_EXT_CMD_THERMAL_CTRL = 0x2c,
+	MCU_EXT_CMD_SET_RDD_CTRL = 0x3a,
+	MCU_EXT_CMD_PROTECT_CTRL = 0x3e,
+	MCU_EXT_CMD_MAC_INIT_CTRL = 0x46,
+	MCU_EXT_CMD_RX_HDR_TRANS = 0x47,
+	MCU_EXT_CMD_SET_RX_PATH = 0x4e,
+	MCU_EXT_CMD_SET_SER_TRIGGER = 0x81,
+	MCU_EXT_CMD_SCS_CTRL = 0x82,
+	MCU_EXT_CMD_RATE_CTRL = 0x87,
+	MCU_EXT_CMD_SET_RDD_TH = 0x9d,
+};
+
+enum {
+	PATCH_SEM_RELEASE,
+	PATCH_SEM_GET
+};
+
+enum {
+	PATCH_NOT_DL_SEM_FAIL,
+	PATCH_IS_DL,
+	PATCH_NOT_DL_SEM_SUCCESS,
+	PATCH_REL_SEM_SUCCESS
+};
+
+enum {
+	FW_STATE_INITIAL,
+	FW_STATE_FW_DOWNLOAD,
+	FW_STATE_NORMAL_OPERATION,
+	FW_STATE_NORMAL_TRX,
+	FW_STATE_WACPU_RDY        = 7
+};
+
+enum {
+	EE_MODE_EFUSE,
+	EE_MODE_BUFFER,
+};
+
+enum {
+	EE_FORMAT_BIN,
+	EE_FORMAT_WHOLE,
+	EE_FORMAT_MULTIPLE,
+};
+
+#define STA_TYPE_STA			BIT(0)
+#define STA_TYPE_AP			BIT(1)
+#define STA_TYPE_ADHOC			BIT(2)
+#define STA_TYPE_WDS			BIT(4)
+#define STA_TYPE_BC			BIT(5)
+
+#define NETWORK_INFRA			BIT(16)
+#define NETWORK_P2P			BIT(17)
+#define NETWORK_IBSS			BIT(18)
+#define NETWORK_WDS			BIT(21)
+
+#define CONNECTION_INFRA_STA		(STA_TYPE_STA | NETWORK_INFRA)
+#define CONNECTION_INFRA_AP		(STA_TYPE_AP | NETWORK_INFRA)
+#define CONNECTION_P2P_GC		(STA_TYPE_STA | NETWORK_P2P)
+#define CONNECTION_P2P_GO		(STA_TYPE_AP | NETWORK_P2P)
+#define CONNECTION_IBSS_ADHOC		(STA_TYPE_ADHOC | NETWORK_IBSS)
+#define CONNECTION_WDS			(STA_TYPE_WDS | NETWORK_WDS)
+#define CONNECTION_INFRA_BC		(STA_TYPE_BC | NETWORK_INFRA)
+
+#define CONN_STATE_DISCONNECT		0
+#define CONN_STATE_CONNECT		1
+#define CONN_STATE_PORT_SECURE		2
+
+enum {
+	DEV_INFO_ACTIVE,
+	DEV_INFO_MAX_NUM
+};
+
+enum {
+	SCS_SEND_DATA,
+	SCS_SET_MANUAL_PD_TH,
+	SCS_CONFIG,
+	SCS_ENABLE,
+	SCS_SHOW_INFO,
+	SCS_GET_GLO_ADDR,
+	SCS_GET_GLO_ADDR_EVENT,
+};
+
+enum {
+	CMD_CBW_20MHZ = IEEE80211_STA_RX_BW_20,
+	CMD_CBW_40MHZ = IEEE80211_STA_RX_BW_40,
+	CMD_CBW_80MHZ = IEEE80211_STA_RX_BW_80,
+	CMD_CBW_160MHZ = IEEE80211_STA_RX_BW_160,
+	CMD_CBW_10MHZ,
+	CMD_CBW_5MHZ,
+	CMD_CBW_8080MHZ,
+
+	CMD_HE_MCS_BW80 = 0,
+	CMD_HE_MCS_BW160,
+	CMD_HE_MCS_BW8080,
+	CMD_HE_MCS_BW_NUM
+};
+
+struct tlv {
+	__le16 tag;
+	__le16 len;
+} __packed;
+
+struct bss_info_omac {
+	__le16 tag;
+	__le16 len;
+	u8 hw_bss_idx;
+	u8 omac_idx;
+	u8 band_idx;
+	u8 rsv0;
+	__le32 conn_type;
+	u32 rsv1;
+} __packed;
+
+struct bss_info_basic {
+	__le16 tag;
+	__le16 len;
+	__le32 network_type;
+	u8 active;
+	u8 rsv0;
+	__le16 bcn_interval;
+	u8 bssid[ETH_ALEN];
+	u8 wmm_idx;
+	u8 dtim_period;
+	u8 bmc_wcid_lo;
+	u8 cipher;
+	u8 phy_mode;
+	u8 max_bssid;	/* max BSSID. range: 1 ~ 8, 0: MBSSID disabled */
+	u8 non_tx_bssid;/* non-transmitted BSSID, 0: transmitted BSSID */
+	u8 bmc_wcid_hi;	/* high Byte and version */
+	u8 rsv[2];
+} __packed;
+
+struct bss_info_rf_ch {
+	__le16 tag;
+	__le16 len;
+	u8 pri_ch;
+	u8 center_ch0;
+	u8 center_ch1;
+	u8 bw;
+	u8 he_ru26_block;	/* 1: don't send HETB in RU26, 0: allow */
+	u8 he_all_disable;	/* 1: disallow all HETB, 0: allow */
+	u8 rsv[2];
+} __packed;
+
+struct bss_info_ext_bss {
+	__le16 tag;
+	__le16 len;
+	__le32 mbss_tsf_offset; /* in unit of us */
+	u8 rsv[8];
+} __packed;
+
+struct bss_info_sync_mode {
+	__le16 tag;
+	__le16 len;
+	__le16 bcn_interval;
+	u8 enable;
+	u8 dtim_period;
+	u8 rsv[8];
+} __packed;
+
+struct bss_info_bmc_rate {
+	__le16 tag;
+	__le16 len;
+	__le16 bc_trans;
+	__le16 mc_trans;
+	u8 short_preamble;
+	u8 rsv[7];
+} __packed;
+
+struct bss_info_ra {
+	__le16 tag;
+	__le16 len;
+	u8 op_mode;
+	u8 adhoc_en;
+	u8 short_preamble;
+	u8 tx_streams;
+	u8 rx_streams;
+	u8 algo;
+	u8 force_sgi;
+	u8 force_gf;
+	u8 ht_mode;
+	u8 has_20_sta;		/* Check if any sta support GF. */
+	u8 bss_width_trigger_events;
+	u8 vht_nss_cap;
+	u8 vht_bw_signal;	/* not use */
+	u8 vht_force_sgi;	/* not use */
+	u8 se_off;
+	u8 antenna_idx;
+	u8 train_up_rule;
+	u8 rsv[3];
+	unsigned short train_up_high_thres;
+	short train_up_rule_rssi;
+	unsigned short low_traffic_thres;
+	__le16 max_phyrate;
+	__le32 phy_cap;
+	__le32 interval;
+	__le32 fast_interval;
+} __packed;
+
+struct bss_info_bcn {
+	__le16 tag;
+	__le16 len;
+	u8 ver;
+	u8 enable;
+	__le16 sub_ntlv;
+} __packed __aligned(4);
+
+struct bss_info_bcn_csa {
+	__le16 tag;
+	__le16 len;
+	u8 cnt;
+	u8 rsv[3];
+} __packed __aligned(4);
+
+struct bss_info_bcn_bcc {
+	__le16 tag;
+	__le16 len;
+	u8 cnt;
+	u8 rsv[3];
+} __packed __aligned(4);
+
+struct bss_info_bcn_mbss {
+#define MAX_BEACON_NUM	32
+	__le16 tag;
+	__le16 len;
+	__le32 bitmap;
+	__le16 offset[MAX_BEACON_NUM];
+	u8 rsv[8];
+} __packed __aligned(4);
+
+struct bss_info_bcn_cont {
+	__le16 tag;
+	__le16 len;
+	__le16 tim_ofs;
+	__le16 csa_ofs;
+	__le16 bcc_ofs;
+	__le16 pkt_len;
+} __packed __aligned(4);
+
+enum {
+	BSS_INFO_BCN_CSA,
+	BSS_INFO_BCN_BCC,
+	BSS_INFO_BCN_MBSSID,
+	BSS_INFO_BCN_CONTENT,
+	BSS_INFO_BCN_MAX
+};
+
+enum {
+	BSS_INFO_OMAC,
+	BSS_INFO_BASIC,
+	BSS_INFO_RF_CH,		/* optional, for BT/LTE coex */
+	BSS_INFO_PM,		/* sta only */
+	BSS_INFO_UAPSD,		/* sta only */
+	BSS_INFO_ROAM_DETECT,	/* obsoleted */
+	BSS_INFO_LQ_RM,		/* obsoleted */
+	BSS_INFO_EXT_BSS,
+	BSS_INFO_BMC_RATE,	/* for bmc rate control in CR4 */
+	BSS_INFO_SYNC_MODE,
+	BSS_INFO_RA,
+	BSS_INFO_HW_AMSDU,
+	BSS_INFO_BSS_COLOR,
+	BSS_INFO_HE_BASIC,
+	BSS_INFO_PROTECT_INFO,
+	BSS_INFO_OFFLOAD,
+	BSS_INFO_11V_MBSSID,
+	BSS_INFO_MAX_NUM
+};
+
+enum {
+	WTBL_RESET_AND_SET = 1,
+	WTBL_SET,
+	WTBL_QUERY,
+	WTBL_RESET_ALL
+};
+
+struct wtbl_req_hdr {
+	u8 wlan_idx_lo;
+	u8 operation;
+	__le16 tlv_num;
+	u8 wlan_idx_hi;
+	u8 rsv[3];
+} __packed;
+
+struct wtbl_generic {
+	__le16 tag;
+	__le16 len;
+	u8 peer_addr[ETH_ALEN];
+	u8 muar_idx;
+	u8 skip_tx;
+	u8 cf_ack;
+	u8 qos;
+	u8 mesh;
+	u8 adm;
+	__le16 partial_aid;
+	u8 baf_en;
+	u8 aad_om;
+} __packed;
+
+struct wtbl_rx {
+	__le16 tag;
+	__le16 len;
+	u8 rcid;
+	u8 rca1;
+	u8 rca2;
+	u8 rv;
+	u8 rsv[4];
+} __packed;
+
+struct wtbl_ht {
+	__le16 tag;
+	__le16 len;
+	u8 ht;
+	u8 ldpc;
+	u8 af;
+	u8 mm;
+	u8 rsv[4];
+} __packed;
+
+struct wtbl_vht {
+	__le16 tag;
+	__le16 len;
+	u8 ldpc;
+	u8 dyn_bw;
+	u8 vht;
+	u8 txop_ps;
+	u8 rsv[4];
+} __packed;
+
+enum {
+	MT_BA_TYPE_INVALID,
+	MT_BA_TYPE_ORIGINATOR,
+	MT_BA_TYPE_RECIPIENT
+};
+
+enum {
+	RST_BA_MAC_TID_MATCH,
+	RST_BA_MAC_MATCH,
+	RST_BA_NO_MATCH
+};
+
+struct wtbl_ba {
+	__le16 tag;
+	__le16 len;
+	/* common */
+	u8 tid;
+	u8 ba_type;
+	u8 rsv0[2];
+	/* originator only */
+	__le16 sn;
+	u8 ba_en;
+	u8 ba_winsize_idx;
+	__le16 ba_winsize;
+	/* recipient only */
+	u8 peer_addr[ETH_ALEN];
+	u8 rst_ba_tid;
+	u8 rst_ba_sel;
+	u8 rst_ba_sb;
+	u8 band_idx;
+	u8 rsv1[4];
+} __packed;
+
+struct wtbl_bf {
+	__le16 tag;
+	__le16 len;
+	u8 ibf;
+	u8 ebf;
+	u8 ibf_vht;
+	u8 ebf_vht;
+	u8 gid;
+	u8 pfmu_idx;
+	u8 rsv[2];
+} __packed;
+
+struct wtbl_smps {
+	__le16 tag;
+	__le16 len;
+	u8 smps;
+	u8 rsv[3];
+} __packed;
+
+struct wtbl_spe {
+	__le16 tag;
+	__le16 len;
+	u8 spe_idx;
+	u8 rsv[3];
+} __packed;
+
+enum {
+	WTBL_GENERIC,
+	WTBL_RX,
+	WTBL_HT,
+	WTBL_VHT,
+	WTBL_PEER_PS,		/* not used */
+	WTBL_TX_PS,
+	WTBL_HDR_TRANS,
+	WTBL_SEC_KEY,
+	WTBL_BA,
+	WTBL_RDG,		/* obsoleted */
+	WTBL_PROTECT,		/* not used */
+	WTBL_CLEAR,		/* not used */
+	WTBL_BF,
+	WTBL_SMPS,
+	WTBL_RAW_DATA,		/* debug only */
+	WTBL_PN,
+	WTBL_SPE,
+	WTBL_MAX_NUM
+};
+
+struct sta_ntlv_hdr {
+	u8 rsv[2];
+	__le16 tlv_num;
+} __packed;
+
+struct sta_req_hdr {
+	u8 bss_idx;
+	u8 wlan_idx_lo;
+	__le16 tlv_num;
+	u8 is_tlv_append;
+	u8 muar_idx;
+	u8 wlan_idx_hi;
+	u8 rsv;
+} __packed;
+
+struct sta_rec_basic {
+	__le16 tag;
+	__le16 len;
+	__le32 conn_type;
+	u8 conn_state;
+	u8 qos;
+	__le16 aid;
+	u8 peer_addr[ETH_ALEN];
+	__le16 extra_info;
+} __packed;
+
+struct sta_rec_ht {
+	__le16 tag;
+	__le16 len;
+	__le16 ht_cap;
+	u16 rsv;
+} __packed;
+
+struct sta_rec_vht {
+	__le16 tag;
+	__le16 len;
+	__le32 vht_cap;
+	__le16 vht_rx_mcs_map;
+	__le16 vht_tx_mcs_map;
+	u8 rts_bw_sig;
+	u8 rsv[3];
+} __packed;
+
+struct sta_rec_ba {
+	__le16 tag;
+	__le16 len;
+	u8 tid;
+	u8 ba_type;
+	u8 amsdu;
+	u8 ba_en;
+	__le16 ssn;
+	__le16 winsize;
+} __packed;
+
+struct sec_key {
+	u8 cipher_id;
+	u8 cipher_len;
+	u8 key_id;
+	u8 key_len;
+	u8 key[32];
+} __packed;
+
+struct sta_rec_sec {
+	__le16 tag;
+	__le16 len;
+	u8 add;
+	u8 n_cipher;
+	u8 rsv[2];
+
+	struct sec_key key[2];
+} __packed;
+
+struct ra_phy {
+	u8 type;
+	u8 flag;
+	u8 stbc;
+	u8 sgi;
+	u8 bw;
+	u8 ldpc;
+	u8 mcs;
+	u8 nss;
+	u8 he_ltf;
+};
+
+struct sta_rec_ra {
+	__le16 tag;
+	__le16 len;
+
+	u8 valid;
+	u8 auto_rate;
+	u8 phy_mode;
+	u8 channel;
+	u8 bw;
+	u8 disable_cck;
+	u8 ht_mcs32;
+	u8 ht_gf;
+	u8 ht_mcs[4];
+	u8 mmps_mode;
+	u8 gband_256;
+	u8 af;
+	u8 auth_wapi_mode;
+	u8 rate_len;
+
+	u8 supp_mode;
+	u8 supp_cck_rate;
+	u8 supp_ofdm_rate;
+	__le32 supp_ht_mcs;
+	__le16 supp_vht_mcs[4];
+
+	u8 op_mode;
+	u8 op_vht_chan_width;
+	u8 op_vht_rx_nss;
+	u8 op_vht_rx_nss_type;
+
+	__le32 sta_status;
+
+	struct ra_phy phy;
+} __packed;
+
+enum {
+	STA_REC_BASIC,
+	STA_REC_RA,
+	STA_REC_RA_CMM_INFO,
+	STA_REC_RA_UPDATE,
+	STA_REC_BF,
+	STA_REC_AMSDU,
+	STA_REC_BA,
+	STA_REC_RED,		/* not used */
+	STA_REC_TX_PROC,	/* for hdr trans and CSO in CR4 */
+	STA_REC_HT,
+	STA_REC_VHT,
+	STA_REC_APPS,
+	STA_REC_KEY,
+	STA_REC_WTBL,
+	STA_REC_HE,
+	STA_REC_HW_AMSDU,
+	STA_REC_WTBL_AADOM,
+	STA_REC_KEY_V2,
+	STA_REC_MURU,
+	STA_REC_MUEDCA,
+	STA_REC_MAX_NUM
+};
+
+enum mt7915_cipher_type {
+	MT_CIPHER_NONE,
+	MT_CIPHER_WEP40,
+	MT_CIPHER_WEP104,
+	MT_CIPHER_WEP128,
+	MT_CIPHER_TKIP,
+	MT_CIPHER_AES_CCMP,
+	MT_CIPHER_CCMP_256,
+	MT_CIPHER_GCMP,
+	MT_CIPHER_GCMP_256,
+	MT_CIPHER_WAPI,
+	MT_CIPHER_BIP_CMAC_128,
+};
+
+enum {
+	CH_SWITCH_NORMAL = 0,
+	CH_SWITCH_SCAN = 3,
+	CH_SWITCH_MCC = 4,
+	CH_SWITCH_DFS = 5,
+	CH_SWITCH_BACKGROUND_SCAN_START = 6,
+	CH_SWITCH_BACKGROUND_SCAN_RUNNING = 7,
+	CH_SWITCH_BACKGROUND_SCAN_STOP = 8,
+	CH_SWITCH_SCAN_BYPASS_DPD = 9
+};
+
+enum {
+	THERMAL_SENSOR_TEMP_QUERY,
+	THERMAL_SENSOR_MANUAL_CTRL,
+	THERMAL_SENSOR_INFO_QUERY,
+	THERMAL_SENSOR_TASK_CTRL,
+};
+
+#define MT7915_WTBL_UPDATE_MAX_SIZE	(sizeof(struct wtbl_req_hdr) +	\
+					 sizeof(struct wtbl_generic) +	\
+					 sizeof(struct wtbl_rx) +	\
+					 sizeof(struct wtbl_ht) +	\
+					 sizeof(struct wtbl_vht) +	\
+					 sizeof(struct wtbl_ba) +	\
+					 sizeof(struct wtbl_bf) +	\
+					 sizeof(struct wtbl_smps) +	\
+					 sizeof(struct wtbl_spe))
+
+#define MT7915_STA_UPDATE_MAX_SIZE	(sizeof(struct sta_req_hdr) +	\
+					 sizeof(struct sta_rec_basic) +	\
+					 sizeof(struct sta_rec_ht) +	\
+					 sizeof(struct sta_rec_ba) +	\
+					 sizeof(struct sta_rec_vht) +	\
+					 sizeof(struct tlv) +		\
+					 sizeof(struct sta_rec_sec) +	\
+					 sizeof(struct sta_rec_ra) +	\
+					 MT7915_WTBL_UPDATE_MAX_SIZE)
+
+#define MT7915_WTBL_UPDATE_BA_SIZE	(sizeof(struct wtbl_req_hdr) +	\
+					 sizeof(struct wtbl_ba))
+
+#define MT7915_BEACON_UPDATE_SIZE	(sizeof(struct sta_req_hdr) +	\
+					 sizeof(struct bss_info_bcn_csa) + \
+					 sizeof(struct bss_info_bcn_bcc) + \
+					 sizeof(struct bss_info_bcn_mbss) + \
+					 sizeof(struct bss_info_bcn_cont))
+
+#define PHY_MODE_A			BIT(0)
+#define PHY_MODE_B			BIT(1)
+#define PHY_MODE_G			BIT(2)
+#define PHY_MODE_GN			BIT(3)
+#define PHY_MODE_AN			BIT(4)
+#define PHY_MODE_AC			BIT(5)
+
+#define MODE_CCK			BIT(0)
+#define MODE_OFDM			BIT(1)
+#define MODE_HT				BIT(2)
+#define MODE_VHT			BIT(3)
+
+#define STA_CAP_WMM			BIT(0)
+#define STA_CAP_SGI_20			BIT(4)
+#define STA_CAP_SGI_40			BIT(5)
+#define STA_CAP_TX_STBC			BIT(6)
+#define STA_CAP_RX_STBC			BIT(7)
+#define STA_CAP_VHT_SGI_80		BIT(16)
+#define STA_CAP_VHT_SGI_160		BIT(17)
+#define STA_CAP_VHT_TX_STBC		BIT(18)
+#define STA_CAP_VHT_RX_STBC		BIT(19)
+#define STA_CAP_VHT_LDPC		BIT(23)
+#define STA_CAP_LDPC			BIT(24)
+#define STA_CAP_HT			BIT(26)
+#define STA_CAP_VHT			BIT(27)
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
new file mode 100644
index 000000000000..b23ab3f215e0
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -0,0 +1,441 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#ifndef __MT7915_H
+#define __MT7915_H
+
+#include <linux/interrupt.h>
+#include <linux/ktime.h>
+#include "../mt76.h"
+#include "regs.h"
+
+#define MT7915_MAX_INTERFACES		4
+#define MT7915_MAX_WMM_SETS		4
+#define MT7915_WTBL_SIZE		288
+#define MT7915_WTBL_RESERVED		(MT7915_WTBL_SIZE - 1)
+#define MT7915_WTBL_STA			(MT7915_WTBL_RESERVED - \
+					 MT7915_MAX_INTERFACES)
+
+#define MT7915_WATCHDOG_TIME		(HZ / 10)
+#define MT7915_RESET_TIMEOUT		(30 * HZ)
+
+#define MT7915_TX_RING_SIZE		2048
+#define MT7915_TX_MCU_RING_SIZE		256
+#define MT7915_TX_FWDL_RING_SIZE	128
+
+#define MT7915_RX_RING_SIZE		1536
+#define MT7915_RX_MCU_RING_SIZE		512
+
+#define MT7915_FIRMWARE_WA		"mediatek/mt7915_wa.bin"
+#define MT7915_FIRMWARE_WM		"mediatek/mt7915_wm.bin"
+#define MT7915_ROM_PATCH		"mediatek/mt7915_rom_patch.bin"
+
+#define MT7915_EEPROM_SIZE		3584
+#define MT7915_TOKEN_SIZE		8192
+
+#define MT7915_CFEND_RATE_DEFAULT	0x49	/* OFDM 24M */
+#define MT7915_CFEND_RATE_11B		0x03	/* 11B LP, 11M */
+#define MT7915_5G_RATE_DEFAULT		0x4b	/* OFDM 6M */
+#define MT7915_2G_RATE_DEFAULT		0x0	/* CCK 1M */
+
+
+struct mt7915_vif;
+struct mt7915_sta;
+struct mt7915_dfs_pulse;
+struct mt7915_dfs_pattern;
+
+enum mt7915_txq_id {
+	MT7915_TXQ_FWDL = 16,
+	MT7915_TXQ_MCU_WM,
+	MT7915_TXQ_BAND0,
+	MT7915_TXQ_BAND1,
+	MT7915_TXQ_MCU_WA,
+};
+
+enum mt7915_rxq_id {
+	MT7915_RXQ_BAND0 = 0,
+	MT7915_RXQ_BAND1,
+	MT7915_RXQ_MCU_WM = 0,
+	MT7915_RXQ_MCU_WA,
+};
+
+enum mt7915_ampdu_state {
+	MT7915_AGGR_STOP,
+	MT7915_AGGR_PROGRESS,
+	MT7915_AGGR_START,
+	MT7915_AGGR_OPERATIONAL
+};
+
+struct mt7915_sta_stats {
+	struct rate_info prob_rate;
+	struct rate_info tx_rate;
+
+	unsigned long per;
+	unsigned long changed;
+	unsigned long jiffies;
+};
+
+struct mt7915_sta {
+	struct mt76_wcid wcid; /* must be first */
+
+	struct mt7915_vif *vif;
+
+	struct list_head poll_list;
+	u32 airtime_ac[8];
+
+	struct mt7915_sta_stats stats;
+	struct work_struct stats_work;
+
+	spinlock_t ampdu_lock;
+	enum mt7915_ampdu_state ampdu_state[IEEE80211_NUM_TIDS];
+};
+
+struct mt7915_vif {
+	u16 idx;
+	u8 omac_idx;
+	u8 band_idx;
+	u8 wmm_idx;
+
+	struct {
+		u16 cw_min;
+		u16 cw_max;
+		u16 txop;
+		u8 aifs;
+	} wmm[IEEE80211_NUM_ACS];
+
+	struct mt7915_sta sta;
+	struct mt7915_dev *dev;
+};
+
+struct mib_stats {
+	u16 ack_fail_cnt;
+	u16 fcs_err_cnt;
+	u16 rts_cnt;
+	u16 rts_retries_cnt;
+	u16 ba_miss_cnt;
+};
+
+struct mt7915_phy {
+	struct mt76_phy *mt76;
+	struct mt7915_dev *dev;
+
+	u32 rxfilter;
+	u32 vif_mask;
+	u32 omac_mask;
+
+	u16 noise;
+	u16 chainmask;
+
+	s16 coverage_class;
+	u8 slottime;
+
+	u8 rdd_state;
+	int dfs_state;
+
+	__le32 rx_ampdu_ts;
+	u32 ampdu_ref;
+
+	struct mib_stats mib;
+};
+
+struct mt7915_dev {
+	union { /* must be first */
+		struct mt76_dev mt76;
+		struct mt76_phy mphy;
+	};
+
+	struct mt7915_phy phy;
+
+	u16 chainmask;
+
+	struct work_struct init_work;
+	struct work_struct reset_work;
+	wait_queue_head_t reset_wait;
+	u32 reset_state;
+
+	struct list_head sta_poll_list;
+	spinlock_t sta_poll_lock;
+
+	u32 hw_pattern;
+
+	spinlock_t token_lock;
+	struct idr token;
+
+	u8 mac_work_count;
+	bool fw_debug;
+};
+
+enum {
+	HW_BSSID_0 = 0x0,
+	HW_BSSID_1,
+	HW_BSSID_2,
+	HW_BSSID_3,
+	HW_BSSID_MAX,
+	EXT_BSSID_START = 0x10,
+	EXT_BSSID_1,
+	EXT_BSSID_2,
+	EXT_BSSID_3,
+	EXT_BSSID_4,
+	EXT_BSSID_5,
+	EXT_BSSID_6,
+	EXT_BSSID_7,
+	EXT_BSSID_8,
+	EXT_BSSID_9,
+	EXT_BSSID_10,
+	EXT_BSSID_11,
+	EXT_BSSID_12,
+	EXT_BSSID_13,
+	EXT_BSSID_14,
+	EXT_BSSID_15,
+	EXT_BSSID_END
+};
+
+enum {
+	MT_RX_SEL0,
+	MT_RX_SEL1,
+};
+
+enum mt7915_rdd_cmd {
+	RDD_STOP,
+	RDD_START,
+	RDD_DET_MODE,
+	RDD_RADAR_EMULATE,
+	RDD_START_TXQ = 20,
+	RDD_CAC_START = 50,
+	RDD_CAC_END,
+	RDD_NORMAL_START,
+	RDD_DISABLE_DFS_CAL,
+	RDD_PULSE_DBG,
+	RDD_READ_PULSE,
+	RDD_RESUME_BF,
+	RDD_IRQ_OFF,
+};
+
+enum {
+	RATE_CTRL_RU_INFO,
+	RATE_CTRL_FIXED_RATE_INFO,
+	RATE_CTRL_DUMP_INFO,
+	RATE_CTRL_MU_INFO,
+};
+
+static inline struct mt7915_phy *
+mt7915_hw_phy(struct ieee80211_hw *hw)
+{
+	struct mt76_phy *phy = hw->priv;
+
+	return phy->priv;
+}
+
+static inline struct mt7915_dev *
+mt7915_hw_dev(struct ieee80211_hw *hw)
+{
+	struct mt76_phy *phy = hw->priv;
+
+	return container_of(phy->dev, struct mt7915_dev, mt76);
+}
+
+static inline struct mt7915_phy *
+mt7915_ext_phy(struct mt7915_dev *dev)
+{
+	struct mt76_phy *phy = dev->mt76.phy2;
+
+	if (!phy)
+		return NULL;
+
+	return phy->priv;
+}
+
+static inline void
+mt7915_set_aggr_state(struct mt7915_sta *msta, u8 tid,
+		      enum mt7915_ampdu_state state)
+{
+	spin_lock_bh(&msta->ampdu_lock);
+	msta->ampdu_state[tid] = state;
+	spin_unlock_bh(&msta->ampdu_lock);
+}
+
+extern const struct ieee80211_ops mt7915_ops;
+extern struct pci_driver mt7915_pci_driver;
+
+u32 mt7915_reg_map(struct mt7915_dev *dev, u32 addr);
+
+int mt7915_register_device(struct mt7915_dev *dev);
+void mt7915_unregister_device(struct mt7915_dev *dev);
+int mt7915_register_ext_phy(struct mt7915_dev *dev);
+void mt7915_unregister_ext_phy(struct mt7915_dev *dev);
+int mt7915_eeprom_init(struct mt7915_dev *dev);
+u32 mt7915_eeprom_read(struct mt7915_dev *dev, u32 offset);
+int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
+				   struct ieee80211_channel *chan,
+				   u8 chain_idx);
+int mt7915_dma_init(struct mt7915_dev *dev);
+void mt7915_dma_prefetch(struct mt7915_dev *dev);
+void mt7915_dma_cleanup(struct mt7915_dev *dev);
+int mt7915_mcu_init(struct mt7915_dev *dev);
+int mt7915_mcu_add_dev_info(struct mt7915_dev *dev,
+			    struct ieee80211_vif *vif, bool enable);
+int mt7915_mcu_add_bss_info(struct mt7915_phy *phy,
+			    struct ieee80211_vif *vif, int enable);
+int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+		       struct ieee80211_sta *sta, bool enable);
+int mt7915_mcu_add_tx_ba(struct mt7915_dev *dev,
+			 struct ieee80211_ampdu_params *params,
+			 bool add);
+int mt7915_mcu_add_rx_ba(struct mt7915_dev *dev,
+			 struct ieee80211_ampdu_params *params,
+			 bool add);
+int mt7915_mcu_add_key(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+		       struct mt7915_sta *msta, struct ieee80211_key_conf *key,
+		       enum set_key_cmd cmd);
+int mt7915_mcu_add_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			  int enable);
+int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+			     struct ieee80211_sta *sta);
+int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+			struct ieee80211_sta *sta);
+int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd);
+int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif);
+int mt7915_mcu_set_eeprom(struct mt7915_dev *dev);
+int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset);
+int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band, bool enable,
+		       bool hdr_trans);
+int mt7915_mcu_set_scs(struct mt7915_dev *dev, u8 band, bool enable);
+int mt7915_mcu_set_ser(struct mt7915_dev *dev, u8 action, u8 set, u8 band);
+int mt7915_mcu_set_rts_thresh(struct mt7915_phy *phy, u32 val);
+int mt7915_mcu_set_pm(struct mt7915_dev *dev, int band, int enter);
+int mt7915_mcu_set_fcc5_lpn(struct mt7915_dev *dev, int val);
+int mt7915_mcu_set_pulse_th(struct mt7915_dev *dev,
+			    const struct mt7915_dfs_pulse *pulse);
+int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int index,
+			    const struct mt7915_dfs_pattern *pattern);
+int mt7915_mcu_get_rate_info(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx);
+int mt7915_mcu_get_temperature(struct mt7915_dev *dev, int index);
+int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev, enum mt7915_rdd_cmd cmd,
+		       u8 index, u8 rx_sel, u8 val);
+void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb);
+void mt7915_mcu_exit(struct mt7915_dev *dev);
+
+static inline bool is_mt7915(struct mt76_dev *dev)
+{
+	return mt76_chip(dev) == 0x7915;
+}
+
+static inline void mt7915_irq_enable(struct mt7915_dev *dev, u32 mask)
+{
+	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);
+}
+
+static inline void mt7915_irq_disable(struct mt7915_dev *dev, u32 mask)
+{
+	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
+}
+
+static inline u32
+mt7915_reg_map_l1(struct mt7915_dev *dev, u32 addr)
+{
+	u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
+	u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
+
+	mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
+	/* use read to push write */
+	mt76_rr(dev, MT_HIF_REMAP_L1);
+
+	return MT_HIF_REMAP_BASE_L1 + offset;
+}
+
+static inline u32
+mt7915_l1_rr(struct mt7915_dev *dev, u32 addr)
+{
+	return mt76_rr(dev, mt7915_reg_map_l1(dev, addr));
+}
+
+static inline void
+mt7915_l1_wr(struct mt7915_dev *dev, u32 addr, u32 val)
+{
+	mt76_wr(dev, mt7915_reg_map_l1(dev, addr), val);
+}
+
+static inline u32
+mt7915_l1_rmw(struct mt7915_dev *dev, u32 addr, u32 mask, u32 val)
+{
+	val |= mt7915_l1_rr(dev, addr) & ~mask;
+	mt7915_l1_wr(dev, addr, val);
+
+	return val;
+}
+
+#define mt7915_l1_set(dev, addr, val)	mt7915_l1_rmw(dev, addr, 0, val)
+#define mt7915_l1_clear(dev, addr, val)	mt7915_l1_rmw(dev, addr, val, 0)
+
+static inline u32
+mt7915_reg_map_l2(struct mt7915_dev *dev, u32 addr)
+{
+	u32 offset = FIELD_GET(MT_HIF_REMAP_L2_OFFSET, addr);
+	u32 base = FIELD_GET(MT_HIF_REMAP_L2_BASE, addr);
+
+	mt76_rmw_field(dev, MT_HIF_REMAP_L2, MT_HIF_REMAP_L2_MASK, base);
+	/* use read to push write */
+	mt76_rr(dev, MT_HIF_REMAP_L2);
+
+	return MT_HIF_REMAP_BASE_L2 + offset;
+}
+
+static inline u32
+mt7915_l2_rr(struct mt7915_dev *dev, u32 addr)
+{
+	return mt76_rr(dev, mt7915_reg_map_l2(dev, addr));
+}
+
+static inline void
+mt7915_l2_wr(struct mt7915_dev *dev, u32 addr, u32 val)
+{
+	mt76_wr(dev, mt7915_reg_map_l2(dev, addr), val);
+}
+
+static inline u32
+mt7915_l2_rmw(struct mt7915_dev *dev, u32 addr, u32 mask, u32 val)
+{
+	val |= mt7915_l2_rr(dev, addr) & ~mask;
+	mt7915_l2_wr(dev, addr, val);
+
+	return val;
+}
+
+#define mt7915_l2_set(dev, addr, val)	mt7915_l2_rmw(dev, addr, 0, val)
+#define mt7915_l2_clear(dev, addr, val)	mt7915_l2_rmw(dev, addr, val, 0)
+
+bool mt7915_mac_wtbl_update(struct mt7915_dev *dev, int idx, u32 mask);
+void mt7915_mac_reset_counters(struct mt7915_phy *phy);
+void mt7915_mac_cca_stats_reset(struct mt7915_phy *phy);
+void mt7915_mac_sta_poll(struct mt7915_dev *dev);
+void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi,
+			   struct sk_buff *skb, struct mt76_wcid *wcid,
+			   struct ieee80211_key_conf *key, bool beacon);
+void mt7915_mac_set_timing(struct mt7915_phy *phy);
+int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb);
+void mt7915_mac_tx_free(struct mt7915_dev *dev, struct sk_buff *skb);
+int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
+		       struct ieee80211_sta *sta);
+void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
+			   struct ieee80211_sta *sta);
+void mt7915_mac_work(struct work_struct *work);
+void mt7915_mac_reset_work(struct work_struct *work);
+void mt7915_mac_sta_stats_work(struct work_struct *work);
+int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
+			  enum mt76_txq_id qid, struct mt76_wcid *wcid,
+			  struct ieee80211_sta *sta,
+			  struct mt76_tx_info *tx_info);
+void mt7915_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid,
+			    struct mt76_queue_entry *e);
+void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
+			 struct sk_buff *skb);
+void mt7915_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
+void mt7915_stats_work(struct work_struct *work);
+void mt7915_txp_skb_unmap(struct mt76_dev *dev,
+			  struct mt76_txwi_cache *txwi);
+int mt76_dfs_start_rdd(struct mt7915_dev *dev, bool force);
+int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy);
+void mt7915_update_channel(struct mt76_dev *mdev);
+int mt7915_init_debugfs(struct mt7915_dev *dev);
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c
new file mode 100644
index 000000000000..b79b5060cd77
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c
@@ -0,0 +1,166 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc.
+ *
+ * Author: Ryder Lee <ryder.lee@mediatek.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include "mt7915.h"
+#include "mac.h"
+#include "../trace.h"
+
+static const struct pci_device_id mt7915_pci_device_table[] = {
+	{ PCI_DEVICE(0x14c3, 0x7915) },
+	{ },
+};
+
+static void
+mt7915_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q)
+{
+	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+
+	mt7915_irq_enable(dev, MT_INT_RX_DONE(q));
+}
+
+/* TODO: support 2/4/6/8 MSI-X vectors */
+static irqreturn_t mt7915_irq_handler(int irq, void *dev_instance)
+{
+	struct mt7915_dev *dev = dev_instance;
+	u32 intr;
+
+	intr = mt76_rr(dev, MT_INT_SOURCE_CSR);
+	mt76_wr(dev, MT_INT_SOURCE_CSR, intr);
+
+	if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state))
+		return IRQ_NONE;
+
+	trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask);
+
+	intr &= dev->mt76.mmio.irqmask;
+
+	if (intr & MT_INT_TX_DONE_ALL) {
+		mt7915_irq_disable(dev, MT_INT_TX_DONE_ALL);
+		napi_schedule(&dev->mt76.tx_napi);
+	}
+
+	if (intr & MT_INT_RX_DONE_DATA) {
+		mt7915_irq_disable(dev, MT_INT_RX_DONE_DATA);
+		napi_schedule(&dev->mt76.napi[0]);
+	}
+
+	if (intr & MT_INT_RX_DONE_WM) {
+		mt7915_irq_disable(dev, MT_INT_RX_DONE_WM);
+		napi_schedule(&dev->mt76.napi[1]);
+	}
+
+	if (intr & MT_INT_RX_DONE_WA) {
+		mt7915_irq_disable(dev, MT_INT_RX_DONE_WA);
+		napi_schedule(&dev->mt76.napi[2]);
+	}
+
+	if (intr & MT_INT_MCU_CMD) {
+		u32 val = mt76_rr(dev, MT_MCU_CMD);
+
+		mt76_wr(dev, MT_MCU_CMD, val);
+		if (val & MT_MCU_CMD_ERROR_MASK) {
+			dev->reset_state = val;
+			ieee80211_queue_work(mt76_hw(dev), &dev->reset_work);
+			wake_up(&dev->reset_wait);
+		}
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int mt7915_pci_probe(struct pci_dev *pdev,
+			    const struct pci_device_id *id)
+{
+	static const struct mt76_driver_ops drv_ops = {
+		/* txwi_size = txd size + txp size */
+		.txwi_size = MT_TXD_SIZE + sizeof(struct mt7915_txp),
+		.drv_flags = MT_DRV_TXWI_NO_FREE,
+		.survey_flags = SURVEY_INFO_TIME_TX |
+				SURVEY_INFO_TIME_RX |
+				SURVEY_INFO_TIME_BSS_RX,
+		.tx_prepare_skb = mt7915_tx_prepare_skb,
+		.tx_complete_skb = mt7915_tx_complete_skb,
+		.rx_skb = mt7915_queue_rx_skb,
+		.rx_poll_complete = mt7915_rx_poll_complete,
+		.sta_ps = mt7915_sta_ps,
+		.sta_add = mt7915_mac_sta_add,
+		.sta_remove = mt7915_mac_sta_remove,
+		.update_survey = mt7915_update_channel,
+	};
+	struct mt7915_dev *dev;
+	struct mt76_dev *mdev;
+	int ret;
+
+	ret = pcim_enable_device(pdev);
+	if (ret)
+		return ret;
+
+	ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
+	if (ret)
+		return ret;
+
+	pci_set_master(pdev);
+
+	ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+	if (ret)
+		return ret;
+
+	mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7915_ops,
+				 &drv_ops);
+	if (!mdev)
+		return -ENOMEM;
+
+	dev = container_of(mdev, struct mt7915_dev, mt76);
+
+	mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
+	mdev->rev = (mt7915_l1_rr(dev, MT_HW_CHIPID) << 16) |
+		    (mt7915_l1_rr(dev, MT_HW_REV) & 0xff);
+	dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
+
+	/* master switch of PCIe tnterrupt enable */
+	mt7915_l1_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
+
+	ret = devm_request_irq(mdev->dev, pdev->irq, mt7915_irq_handler,
+			       IRQF_SHARED, KBUILD_MODNAME, dev);
+	if (ret)
+		goto error;
+
+	ret = mt7915_register_device(dev);
+	if (ret)
+		goto error;
+
+	return 0;
+error:
+	ieee80211_free_hw(mt76_hw(dev));
+	return ret;
+}
+
+static void mt7915_pci_remove(struct pci_dev *pdev)
+{
+	struct mt76_dev *mdev = pci_get_drvdata(pdev);
+	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+
+	mt7915_unregister_device(dev);
+}
+
+struct pci_driver mt7915_pci_driver = {
+	.name		= KBUILD_MODNAME,
+	.id_table	= mt7915_pci_device_table,
+	.probe		= mt7915_pci_probe,
+	.remove		= mt7915_pci_remove,
+};
+
+module_pci_driver(mt7915_pci_driver);
+
+MODULE_DEVICE_TABLE(pci, mt7915_pci_device_table);
+MODULE_FIRMWARE(MT7915_FIRMWARE_WA);
+MODULE_FIRMWARE(MT7915_FIRMWARE_WM);
+MODULE_FIRMWARE(MT7915_ROM_PATCH);
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
new file mode 100644
index 000000000000..ef87579056fe
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
@@ -0,0 +1,343 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#ifndef __MT7915_REGS_H
+#define __MT7915_REGS_H
+
+/* MCU WFDMA1 */
+#define MT_MCU_WFDMA1_BASE		0x3000
+#define MT_MCU_WFDMA1(ofs)		(MT_MCU_WFDMA1_BASE + (ofs))
+
+#define MT_MCU_INT_EVENT		MT_MCU_WFDMA1(0x108)
+#define MT_MCU_INT_EVENT_DMA_STOPPED	BIT(0)
+#define MT_MCU_INT_EVENT_DMA_INIT	BIT(1)
+#define MT_MCU_INT_EVENT_SER_TRIGGER	BIT(2)
+#define MT_MCU_INT_EVENT_RESET_DONE	BIT(3)
+
+#define MT_PLE_BASE			0x8000
+#define MT_PLE(ofs)			(MT_PLE_BASE + (ofs))
+
+#define MT_PLE_FL_Q0_CTRL		MT_PLE(0x1b0)
+#define MT_PLE_FL_Q1_CTRL		MT_PLE(0x1b4)
+#define MT_PLE_FL_Q2_CTRL		MT_PLE(0x1b8)
+#define MT_PLE_FL_Q3_CTRL		MT_PLE(0x1bc)
+
+#define MT_PLE_AC_QEMPTY(ac, n)		MT_PLE(0x300 + 0x10 * (ac) + \
+					       ((n) << 2))
+#define MT_PLE_AMSDU_PACK_MSDU_CNT(n)	MT_PLE(0x10e0 + ((n) << 2))
+
+#define MT_MDP_BASE			0xf000
+#define MT_MDP(ofs)			(MT_MDP_BASE + (ofs))
+
+#define MT_MDP_DCR0			MT_MDP(0x000)
+#define MT_MDP_DCR0_DAMSDU_EN		BIT(15)
+
+#define MT_MDP_DCR1			MT_MDP(0x004)
+#define MT_MDP_DCR1_MAX_RX_LEN		GENMASK(15, 3)
+
+#define MT_MDP_BNRCFR0(_band)		MT_MDP(0x070 + ((_band) << 8))
+#define MT_MDP_RCFR0_MCU_RX_MGMT	GENMASK(5, 4)
+#define MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR	GENMASK(7, 6)
+#define MT_MDP_RCFR0_MCU_RX_CTL_BAR	GENMASK(9, 8)
+
+#define MT_MDP_BNRCFR1(_band)		MT_MDP(0x074 + ((_band) << 8))
+#define MT_MDP_RCFR1_MCU_RX_BYPASS	GENMASK(23, 22)
+#define MT_MDP_RCFR1_RX_DROPPED_UCAST	GENMASK(28, 27)
+#define MT_MDP_RCFR1_RX_DROPPED_MCAST	GENMASK(30, 29)
+#define MT_MDP_TO_HIF			0
+#define MT_MDP_TO_WM			1
+
+/* TMAC: band 0(0x21000), band 1(0xa1000) */
+#define MT_WF_TMAC_BASE(_band)		((_band) ? 0xa1000 : 0x21000)
+#define MT_WF_TMAC(_band, ofs)		(MT_WF_TMAC_BASE(_band) + (ofs))
+
+#define MT_TMAC_CDTR(_band)		MT_WF_TMAC(_band, 0x090)
+#define MT_TMAC_ODTR(_band)		MT_WF_TMAC(_band, 0x094)
+#define MT_TIMEOUT_VAL_PLCP		GENMASK(15, 0)
+#define MT_TIMEOUT_VAL_CCA		GENMASK(31, 16)
+
+#define MT_TMAC_ICR0(_band)		MT_WF_TMAC(_band, 0x0a4)
+#define MT_IFS_EIFS			GENMASK(8, 0)
+#define MT_IFS_RIFS			GENMASK(14, 10)
+#define MT_IFS_SIFS			GENMASK(22, 16)
+#define MT_IFS_SLOT			GENMASK(30, 24)
+
+#define MT_TMAC_CTCR0(_band)			MT_WF_TMAC(_band, 0x0f4)
+#define MT_TMAC_CTCR0_INS_DDLMT_REFTIME		GENMASK(5, 0)
+#define MT_TMAC_CTCR0_INS_DDLMT_EN		BIT(17)
+#define MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN	BIT(18)
+
+/* DMA Band 0 */
+#define MT_WF_DMA_BASE			0x21e00
+#define MT_WF_DMA(ofs)			(MT_WF_DMA_BASE + (ofs))
+
+#define MT_DMA_DCR0			MT_WF_DMA(0x000)
+#define MT_DMA_DCR0_MAX_RX_LEN		GENMASK(15, 3)
+
+/* MIB: band 0(0x24800), band 1(0xa4800) */
+#define MT_WF_MIB_BASE(_band)		((_band) ? 0xa4800 : 0x24800)
+#define MT_WF_MIB(_band, ofs)		(MT_WF_MIB_BASE(_band) + (ofs))
+
+#define MT_MIB_SDR3(_band)		MT_WF_MIB(_band, 0x014)
+#define MT_MIB_SDR3_FCS_ERR_MASK	GENMASK(15, 0)
+
+#define MT_MIB_SDR9(_band)		MT_WF_MIB(_band, 0x02c)
+#define MT_MIB_SDR9_BUSY_MASK		GENMASK(23, 0)
+
+#define MT_MIB_SDR16(_band)		MT_WF_MIB(_band, 0x048)
+#define MT_MIB_SDR16_BUSY_MASK		GENMASK(23, 0)
+
+#define MT_MIB_SDR36(_band)		MT_WF_MIB(_band, 0x098)
+#define MT_MIB_SDR36_TXTIME_MASK	GENMASK(23, 0)
+#define MT_MIB_SDR37(_band)		MT_WF_MIB(_band, 0x09c)
+#define MT_MIB_SDR37_RXTIME_MASK	GENMASK(23, 0)
+
+#define MT_MIB_MB_SDR0(_band, n)	MT_WF_MIB(_band, 0x100 + ((n) << 4))
+#define MT_MIB_RTS_RETRIES_COUNT_MASK	GENMASK(31, 16)
+#define MT_MIB_RTS_COUNT_MASK		GENMASK(15, 0)
+
+#define MT_MIB_MB_SDR1(_band, n)	MT_WF_MIB(_band, 0x104 + ((n) << 4))
+#define MT_MIB_BA_MISS_COUNT_MASK	GENMASK(15, 0)
+#define MT_MIB_ACK_FAIL_COUNT_MASK	GENMASK(31, 16)
+
+#define MT_MIB_MB_SDR2(_band, n)	MT_WF_MIB(_band, 0x108 + ((n) << 4))
+#define MT_MIB_FRAME_RETRIES_COUNT_MASK	GENMASK(15, 0)
+
+#define MT_TX_AGG_CNT(_band, n)		MT_WF_MIB(_band, 0x0a8 + ((n) << 2))
+#define MT_TX_AGG_CNT2(_band, n)	MT_WF_MIB(_band, 0x164 + ((n) << 2))
+#define MT_MIB_ARNG(_band, n)		MT_WF_MIB(_band, 0x4b8 + ((n) << 2))
+#define MT_MIB_ARNCR_RANGE(val, n)	(((val) >> ((n) << 3)) & GENMASK(7, 0))
+
+#define MT_WTBLON_TOP_BASE		0x34000
+#define MT_WTBLON_TOP(ofs)		(MT_WTBLON_TOP_BASE + (ofs))
+#define MT_WTBLON_TOP_WDUCR		MT_WTBLON_TOP(0x0)
+#define MT_WTBLON_TOP_WDUCR_GROUP	GENMASK(2, 0)
+
+#define MT_WTBL_UPDATE			MT_WTBLON_TOP(0x030)
+#define MT_WTBL_UPDATE_WLAN_IDX		GENMASK(9, 0)
+#define MT_WTBL_UPDATE_ADM_COUNT_CLEAR	BIT(12)
+#define MT_WTBL_UPDATE_BUSY		BIT(31)
+
+#define MT_WTBL_BASE			0x38000
+#define MT_WTBL_LMAC_ID			GENMASK(14, 8)
+#define MT_WTBL_LMAC_DW			GENMASK(7, 2)
+#define MT_WTBL_LMAC_OFFS(_id, _dw)	(MT_WTBL_BASE | \
+					FIELD_PREP(MT_WTBL_LMAC_ID, _id) | \
+					FIELD_PREP(MT_WTBL_LMAC_DW, _dw))
+
+/* AGG: band 0(0x20800), band 1(0xa0800) */
+#define MT_WF_AGG_BASE(_band)		((_band) ? 0xa0800 : 0x20800)
+#define MT_WF_AGG(_band, ofs)		(MT_WF_AGG_BASE(_band) + (ofs))
+
+#define MT_AGG_ACR0(_band)		MT_WF_AGG(_band, 0x084)
+#define MT_AGG_ACR_CFEND_RATE		GENMASK(13, 0)
+#define MT_AGG_ACR_BAR_RATE		GENMASK(29, 16)
+
+/* ARB: band 0(0x20c00), band 1(0xa0c00) */
+#define MT_WF_ARB_BASE(_band)		((_band) ? 0xa0c00 : 0x20c00)
+#define MT_WF_ARB(_band, ofs)		(MT_WF_ARB_BASE(_band) + (ofs))
+
+#define MT_ARB_SCR(_band)		MT_WF_ARB(_band, 0x080)
+#define MT_ARB_SCR_TX_DISABLE		BIT(8)
+#define MT_ARB_SCR_RX_DISABLE		BIT(9)
+
+/* RMAC: band 0(0x21400), band 1(0xa1400) */
+#define MT_WF_RMAC_BASE(_band)		((_band) ? 0xa1400 : 0x21400)
+#define MT_WF_RMAC(_band, ofs)		(MT_WF_RMAC_BASE(_band) + (ofs))
+
+#define MT_WF_RFCR(_band)		MT_WF_RMAC(_band, 0x000)
+#define MT_WF_RFCR_DROP_STBC_MULTI	BIT(0)
+#define MT_WF_RFCR_DROP_FCSFAIL		BIT(1)
+#define MT_WF_RFCR_DROP_VERSION		BIT(3)
+#define MT_WF_RFCR_DROP_PROBEREQ	BIT(4)
+#define MT_WF_RFCR_DROP_MCAST		BIT(5)
+#define MT_WF_RFCR_DROP_BCAST		BIT(6)
+#define MT_WF_RFCR_DROP_MCAST_FILTERED	BIT(7)
+#define MT_WF_RFCR_DROP_A3_MAC		BIT(8)
+#define MT_WF_RFCR_DROP_A3_BSSID	BIT(9)
+#define MT_WF_RFCR_DROP_A2_BSSID	BIT(10)
+#define MT_WF_RFCR_DROP_OTHER_BEACON	BIT(11)
+#define MT_WF_RFCR_DROP_FRAME_REPORT	BIT(12)
+#define MT_WF_RFCR_DROP_CTL_RSV		BIT(13)
+#define MT_WF_RFCR_DROP_CTS		BIT(14)
+#define MT_WF_RFCR_DROP_RTS		BIT(15)
+#define MT_WF_RFCR_DROP_DUPLICATE	BIT(16)
+#define MT_WF_RFCR_DROP_OTHER_BSS	BIT(17)
+#define MT_WF_RFCR_DROP_OTHER_UC	BIT(18)
+#define MT_WF_RFCR_DROP_OTHER_TIM	BIT(19)
+#define MT_WF_RFCR_DROP_NDPA		BIT(20)
+#define MT_WF_RFCR_DROP_UNWANTED_CTL	BIT(21)
+
+#define MT_WF_RFCR1(_band)		MT_WF_RMAC(_band, 0x004)
+#define MT_WF_RFCR1_DROP_ACK		BIT(4)
+#define MT_WF_RFCR1_DROP_BF_POLL	BIT(5)
+#define MT_WF_RFCR1_DROP_BA		BIT(6)
+#define MT_WF_RFCR1_DROP_CFEND		BIT(7)
+#define MT_WF_RFCR1_DROP_CFACK		BIT(8)
+
+#define MT_WF_RMAC_MIB_TIME0(_band)	MT_WF_RMAC(_band, 0x03c4)
+#define MT_WF_RMAC_MIB_RXTIME_CLR	BIT(31)
+#define MT_WF_RMAC_MIB_RXTIME_EN	BIT(30)
+
+#define MT_WF_RMAC_MIB_AIRTIME14(_band)	MT_WF_RMAC(_band, 0x03b8)
+#define MT_MIB_OBSSTIME_MASK		GENMASK(23, 0)
+#define MT_WF_RMAC_MIB_AIRTIME0(_band)	MT_WF_RMAC(_band, 0x0380)
+
+/* WFDMA0 */
+#define MT_WFDMA0_BASE			0xd4000
+#define MT_WFDMA0(ofs)			(MT_WFDMA0_BASE + (ofs))
+
+#define MT_WFDMA0_RST			MT_WFDMA0(0x100)
+#define MT_WFDMA0_RST_LOGIC_RST		BIT(4)
+#define MT_WFDMA0_RST_DMASHDL_ALL_RST	BIT(5)
+
+#define MT_WFDMA0_BUSY_ENA		MT_WFDMA0(0x13c)
+#define MT_WFDMA0_BUSY_ENA_TX_FIFO0	BIT(0)
+#define MT_WFDMA0_BUSY_ENA_TX_FIFO1	BIT(1)
+#define MT_WFDMA0_BUSY_ENA_RX_FIFO	BIT(2)
+
+#define MT_WFDMA0_GLO_CFG		MT_WFDMA0(0x208)
+#define MT_WFDMA0_GLO_CFG_TX_DMA_EN	BIT(0)
+#define MT_WFDMA0_GLO_CFG_RX_DMA_EN	BIT(2)
+
+#define MT_WFDMA0_RST_DTX_PTR		MT_WFDMA0(0x20c)
+#define MT_WFDMA0_PRI_DLY_INT_CFG0	MT_WFDMA0(0x2f0)
+
+#define MT_RX_DATA_RING_BASE		MT_WFDMA0(0x500)
+
+#define MT_WFDMA0_RX_RING0_EXT_CTRL	MT_WFDMA0(0x680)
+#define MT_WFDMA0_RX_RING1_EXT_CTRL	MT_WFDMA0(0x684)
+#define MT_WFDMA0_RX_RING2_EXT_CTRL	MT_WFDMA0(0x688)
+
+/* WFDMA1 */
+#define MT_WFDMA1_BASE			0xd5000
+#define MT_WFDMA1(ofs)			(MT_WFDMA1_BASE + (ofs))
+
+#define MT_WFDMA1_RST			MT_WFDMA1(0x100)
+#define MT_WFDMA1_RST_LOGIC_RST		BIT(4)
+#define MT_WFDMA1_RST_DMASHDL_ALL_RST	BIT(5)
+
+#define MT_WFDMA1_BUSY_ENA		MT_WFDMA1(0x13c)
+#define MT_WFDMA1_BUSY_ENA_TX_FIFO0	BIT(0)
+#define MT_WFDMA1_BUSY_ENA_TX_FIFO1	BIT(1)
+#define MT_WFDMA1_BUSY_ENA_RX_FIFO	BIT(2)
+
+#define MT_MCU_CMD			MT_WFDMA1(0x1f0)
+#define MT_MCU_CMD_STOP_DMA_FW_RELOAD	BIT(1)
+#define MT_MCU_CMD_STOP_DMA		BIT(2)
+#define MT_MCU_CMD_RESET_DONE		BIT(3)
+#define MT_MCU_CMD_RECOVERY_DONE	BIT(4)
+#define MT_MCU_CMD_NORMAL_STATE		BIT(5)
+#define MT_MCU_CMD_ERROR_MASK		GENMASK(5, 1)
+
+#define MT_WFDMA1_GLO_CFG		MT_WFDMA1(0x208)
+#define MT_WFDMA1_GLO_CFG_TX_DMA_EN	BIT(0)
+#define MT_WFDMA1_GLO_CFG_RX_DMA_EN	BIT(2)
+#define MT_WFDMA1_GLO_CFG_OMIT_TX_INFO	BIT(28)
+#define MT_WFDMA1_GLO_CFG_OMIT_RX_INFO	BIT(27)
+
+#define MT_WFDMA1_RST_DTX_PTR		MT_WFDMA1(0x20c)
+#define MT_WFDMA1_PRI_DLY_INT_CFG0	MT_WFDMA1(0x2f0)
+
+#define MT_TX_RING_BASE			MT_WFDMA1(0x300)
+#define MT_RX_EVENT_RING_BASE		MT_WFDMA1(0x500)
+
+#define MT_WFDMA1_TX_RING0_EXT_CTRL	MT_WFDMA1(0x600)
+#define MT_WFDMA1_TX_RING1_EXT_CTRL	MT_WFDMA1(0x604)
+#define MT_WFDMA1_TX_RING2_EXT_CTRL	MT_WFDMA1(0x608)
+#define MT_WFDMA1_TX_RING3_EXT_CTRL	MT_WFDMA1(0x60c)
+#define MT_WFDMA1_TX_RING4_EXT_CTRL	MT_WFDMA1(0x610)
+#define MT_WFDMA1_TX_RING5_EXT_CTRL	MT_WFDMA1(0x614)
+#define MT_WFDMA1_TX_RING6_EXT_CTRL	MT_WFDMA1(0x618)
+#define MT_WFDMA1_TX_RING7_EXT_CTRL	MT_WFDMA1(0x61c)
+
+#define MT_WFDMA1_TX_RING16_EXT_CTRL	MT_WFDMA1(0x640)
+#define MT_WFDMA1_TX_RING17_EXT_CTRL	MT_WFDMA1(0x644)
+#define MT_WFDMA1_TX_RING18_EXT_CTRL	MT_WFDMA1(0x648)
+#define MT_WFDMA1_TX_RING19_EXT_CTRL	MT_WFDMA1(0x64c)
+#define MT_WFDMA1_TX_RING20_EXT_CTRL	MT_WFDMA1(0x650)
+#define MT_WFDMA1_TX_RING21_EXT_CTRL	MT_WFDMA1(0x654)
+#define MT_WFDMA1_TX_RING22_EXT_CTRL	MT_WFDMA1(0x658)
+#define MT_WFDMA1_TX_RING23_EXT_CTRL	MT_WFDMA1(0x65c)
+
+#define MT_WFDMA1_RX_RING0_EXT_CTRL	MT_WFDMA1(0x680)
+#define MT_WFDMA1_RX_RING1_EXT_CTRL	MT_WFDMA1(0x684)
+#define MT_WFDMA1_RX_RING2_EXT_CTRL	MT_WFDMA1(0x688)
+#define MT_WFDMA1_RX_RING3_EXT_CTRL	MT_WFDMA1(0x68c)
+
+/* WFDMA CSR */
+#define MT_WFDMA_EXT_CSR_BASE		0xd7000
+#define MT_WFDMA_EXT_CSR(ofs)		(MT_WFDMA_EXT_CSR_BASE + (ofs))
+
+#define MT_INT_SOURCE_CSR		MT_WFDMA_EXT_CSR(0x10)
+#define MT_INT_MASK_CSR			MT_WFDMA_EXT_CSR(0x14)
+#define MT_INT_RX_DONE_DATA		BIT(16)
+#define MT_INT_RX_DONE_WM		BIT(0)
+#define MT_INT_RX_DONE_WA		BIT(1)
+#define MT_INT_RX_DONE(_n)		((_n) ? BIT((_n) - 1) : BIT(16))
+#define MT_INT_RX_DONE_ALL		(BIT(0) | BIT(1) | BIT(16))
+#define MT_INT_TX_DONE_ALL		(BIT(15) | GENMASK(27, 26) | BIT(30))
+#define MT_INT_MCU_CMD			BIT(29)
+
+#define MT_WFDMA_EXT_CSR_HIF_MISC	MT_WFDMA_EXT_CSR(0x44)
+#define MT_WFDMA_EXT_CSR_HIF_MISC_BUSY	BIT(0)
+
+/* WFDMA0 PCIE1 */
+#define MT_WFDMA0_PCIE1_BASE			0xd8000
+#define MT_WFDMA0_PCIE1(ofs)			(MT_WFDMA0_PCIE1_BASE + (ofs))
+
+#define MT_WFDMA0_PCIE1_BUSY_ENA		MT_WFDMA0_PCIE1(0x13c)
+#define MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO0	BIT(0)
+#define MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO1	BIT(1)
+#define MT_WFDMA0_PCIE1_BUSY_ENA_RX_FIFO	BIT(2)
+
+/* WFDMA1 PCIE1 */
+#define MT_WFDMA1_PCIE1_BASE			0xd9000
+#define MT_WFDMA1_PCIE1(ofs)			(MT_WFDMA0_PCIE1_BASE + (ofs))
+
+#define MT_WFDMA1_PCIE1_BUSY_ENA		MT_WFDMA1_PCIE1(0x13c)
+#define MT_WFDMA1_PCIE1_BUSY_ENA_TX_FIFO0	BIT(0)
+#define MT_WFDMA1_PCIE1_BUSY_ENA_TX_FIFO1	BIT(1)
+#define MT_WFDMA1_PCIE1_BUSY_ENA_RX_FIFO	BIT(2)
+
+#define MT_INFRA_CFG_BASE		0xf1000
+#define MT_INFRA(ofs)			(MT_INFRA_CFG_BASE + (ofs))
+
+#define MT_HIF_REMAP_L1			MT_INFRA(0x1ac)
+#define MT_HIF_REMAP_L1_MASK		GENMASK(15, 0)
+#define MT_HIF_REMAP_L1_OFFSET		GENMASK(15, 0)
+#define MT_HIF_REMAP_L1_BASE		GENMASK(31, 16)
+#define MT_HIF_REMAP_BASE_L1		0xe0000
+
+#define MT_HIF_REMAP_L2			MT_INFRA(0x1b0)
+#define MT_HIF_REMAP_L2_MASK		GENMASK(19, 0)
+#define MT_HIF_REMAP_L2_OFFSET		GENMASK(11, 0)
+#define MT_HIF_REMAP_L2_BASE		GENMASK(31, 12)
+#define MT_HIF_REMAP_BASE_L2		0x00000
+
+#define MT_TOP_BASE			0x18060000
+#define MT_TOP(ofs)			(MT_TOP_BASE + (ofs))
+
+#define MT_TOP_LPCR_HOST_BAND0		MT_TOP(0x10)
+#define MT_TOP_LPCR_HOST_FW_OWN		BIT(0)
+#define MT_TOP_LPCR_HOST_DRV_OWN	BIT(1)
+
+#define MT_TOP_MISC			MT_TOP(0xf0)
+#define MT_TOP_MISC_FW_STATE		GENMASK(2, 0)
+
+#define MT_HW_BOUND			0x70010020
+#define MT_HW_CHIPID			0x70010200
+#define MT_HW_REV			0x70010204
+
+#define MT_PCIE_MAC_BASE		0x74030000
+#define MT_PCIE_MAC(ofs)		(MT_PCIE_MAC_BASE + (ofs))
+#define MT_PCIE_MAC_INT_ENABLE		MT_PCIE_MAC(0x188)
+
+/* PHY: band 0(0x83080000), band 1(0x83090000) */
+#define MT_WF_PHY_BASE			0x83080000
+#define MT_WF_PHY(ofs)			(MT_WF_PHY_BASE + (ofs))
+
+#define MT_WF_PHY_RX_CTRL1(_phy)	MT_WF_PHY(0x2004 + ((_phy) << 16))
+#define MT_WF_PHY_RX_CTRL1_STSCNT_EN	GENMASK(11, 9)
+
+#endif
