add mt7916 support

index 1f6ba30..8e06b94 100644
@@ -1,7 +1,14 @@
 // SPDX-License-Identifier: ISC
 /* Copyright (C) 2020 MediaTek Inc. */
 
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+
 #include "mt7915.h"
+#include "mac.h"
+#include "../trace.h"
 
 static u32 mt7915_reg_map_l1(struct mt7915_dev *dev, u32 addr)
 {

@@ -125,7 +132,9 @@ static u32 mt7915_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val)
 	return dev->bus_ops->rmw(mdev, addr, mask, val);
 }
 
-int mt7915_mmio_init(struct mt76_dev *mdev, void __iomem *mem_base, int irq)
+static int mt7915_mmio_init(struct mt76_dev *mdev,
+			    void __iomem *mem_base,
+			    u32 device_id)
 {
 	struct mt76_bus_ops *bus_ops;
 	struct mt7915_dev *dev;

@@ -148,7 +157,229 @@ int mt7915_mmio_init(struct mt76_dev *mdev, void __iomem *mem_base, int irq)
 		    (mt76_rr(dev, MT_HW_REV) & 0xff);
 	dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
 
+	return 0;
+}
+
+void mt7915_dual_hif_set_irq_mask(struct mt7915_dev *dev,
+				  bool write_reg,
+				  u32 clear, u32 set)
+{
+	struct mt76_dev *mdev = &dev->mt76;
+	unsigned long flags;
+
+	spin_lock_irqsave(&mdev->mmio.irq_lock, flags);
+
+	mdev->mmio.irqmask &= ~clear;
+	mdev->mmio.irqmask |= set;
+
+	if (write_reg) {
+		mt76_wr(dev, MT_INT_MASK_CSR, mdev->mmio.irqmask);
+		mt76_wr(dev, MT_INT1_MASK_CSR, mdev->mmio.irqmask);
+	}
+
+	spin_unlock_irqrestore(&mdev->mmio.irq_lock, flags);
+}
+
+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);
+	static const u32 rx_irq_mask[] = {
+		[MT_RXQ_MAIN] = MT_INT_RX_DONE_DATA0,
+		[MT_RXQ_EXT] = MT_INT_RX_DONE_DATA1,
+		[MT_RXQ_MCU] = MT_INT_RX_DONE_WM,
+		[MT_RXQ_MCU_WA] = MT_INT_RX_DONE_WA,
+		[MT_RXQ_EXT_WA] = MT_INT_RX_DONE_WA_EXT,
+	};
+
+	mt7915_irq_enable(dev, rx_irq_mask[q]);
+}
+
+/* TODO: support 2/4/6/8 MSI-X vectors */
+static void mt7915_irq_tasklet(struct tasklet_struct *t)
+{
+	struct mt7915_dev *dev = from_tasklet(dev, t, irq_tasklet);
+	u32 intr, intr1, mask;
+
 	mt76_wr(dev, MT_INT_MASK_CSR, 0);
+	if (dev->hif2)
+		mt76_wr(dev, MT_INT1_MASK_CSR, 0);
+
+	intr = mt76_rr(dev, MT_INT_SOURCE_CSR);
+	intr &= dev->mt76.mmio.irqmask;
+	mt76_wr(dev, MT_INT_SOURCE_CSR, intr);
+
+	if (dev->hif2) {
+		intr1 = mt76_rr(dev, MT_INT1_SOURCE_CSR);
+		intr1 &= dev->mt76.mmio.irqmask;
+		mt76_wr(dev, MT_INT1_SOURCE_CSR, intr1);
+
+		intr |= intr1;
+	}
+
+	trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask);
+
+	mask = intr & MT_INT_RX_DONE_ALL;
+	if (intr & MT_INT_TX_DONE_MCU)
+		mask |= MT_INT_TX_DONE_MCU;
+
+	mt7915_irq_disable(dev, mask);
+
+	if (intr & MT_INT_TX_DONE_MCU)
+		napi_schedule(&dev->mt76.tx_napi);
+
+	if (intr & MT_INT_RX_DONE_DATA0)
+		napi_schedule(&dev->mt76.napi[MT_RXQ_MAIN]);
+
+	if (intr & MT_INT_RX_DONE_DATA1)
+		napi_schedule(&dev->mt76.napi[MT_RXQ_EXT]);
+
+	if (intr & MT_INT_RX_DONE_WM)
+		napi_schedule(&dev->mt76.napi[MT_RXQ_MCU]);
+
+	if (intr & MT_INT_RX_DONE_WA)
+		napi_schedule(&dev->mt76.napi[MT_RXQ_MCU_WA]);
+
+	if (intr & MT_INT_RX_DONE_WA_EXT)
+		napi_schedule(&dev->mt76.napi[MT_RXQ_EXT_WA]);
+
+	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);
+		}
+	}
+}
+
+static irqreturn_t mt7915_irq_handler(int irq, void *dev_instance)
+{
+	struct mt7915_dev *dev = dev_instance;
+
+	mt76_wr(dev, MT_INT_MASK_CSR, 0);
+	if (dev->hif2)
+		mt76_wr(dev, MT_INT1_MASK_CSR, 0);
+
+	if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state))
+		return IRQ_NONE;
+
+	tasklet_schedule(&dev->irq_tasklet);
+
+	return IRQ_HANDLED;
+}
+
+int mt7915_mmio_probe(struct device *pdev,
+		      void __iomem *mem_base,
+		      u32 device_id,
+		      int irq, struct mt7915_hif *hif2)
+{
+	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 | MT_DRV_HW_MGMT_TXQ,
+		.survey_flags = SURVEY_INFO_TIME_TX |
+				SURVEY_INFO_TIME_RX |
+				SURVEY_INFO_TIME_BSS_RX,
+		.token_size = MT7915_TOKEN_SIZE,
+		.tx_prepare_skb = mt7915_tx_prepare_skb,
+		.tx_complete_skb = mt7915_tx_complete_skb,
+		.rx_skb = mt7915_queue_rx_skb,
+		.rx_check = mt7915_rx_check,
+		.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 ieee80211_ops *ops;
+	struct mt7915_dev *dev;
+	struct mt76_dev *mdev;
+	int ret;
+
+	ops = devm_kmemdup(pdev, &mt7915_ops, sizeof(mt7915_ops), GFP_KERNEL);
+	if (!ops)
+		return -ENOMEM;
+
+	mdev = mt76_alloc_device(pdev, sizeof(*dev), ops, &drv_ops);
+	if (!mdev)
+		return -ENOMEM;
+
+	dev = container_of(mdev, struct mt7915_dev, mt76);
+
+	ret = mt7915_mmio_init(mdev, mem_base, device_id);
+	if (ret)
+		goto error;
+
+	tasklet_setup(&dev->irq_tasklet, mt7915_irq_tasklet);
+
+	mt76_wr(dev, MT_INT_MASK_CSR, 0);
+	/* master switch of PCIe tnterrupt enable */
+	if (dev_is_pci(pdev))
+		mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
+
+	ret = devm_request_irq(mdev->dev, irq, mt7915_irq_handler,
+			       IRQF_SHARED, KBUILD_MODNAME, dev);
+	if (ret)
+		goto error;
+
+	if (hif2) {
+		dev->hif2 = hif2;
+
+		mt76_wr(dev, MT_INT1_MASK_CSR, 0);
+		/* master switch of PCIe tnterrupt enable */
+		if (dev_is_pci(pdev))
+			mt76_wr(dev, MT_PCIE1_MAC_INT_ENABLE, 0xff);
+
+		ret = devm_request_irq(mdev->dev, dev->hif2->irq,
+				       mt7915_irq_handler, IRQF_SHARED,
+				       KBUILD_MODNAME "-hif", dev);
+		if (ret) {
+			put_device(dev->hif2->dev);
+			goto free_irq;
+		}
+	}
+
+	ret = mt7915_register_device(dev);
+	if (ret)
+		goto free_hif2_irq;
 
 	return 0;
+
+free_hif2_irq:
+	if (dev->hif2)
+		devm_free_irq(mdev->dev, dev->hif2->irq, dev);
+free_irq:
+	devm_free_irq(mdev->dev, irq, dev);
+error:
+	mt76_free_device(&dev->mt76);
+
+	return ret;
 }
+
+static int __init mt7915_init(void)
+{
+	int ret;
+
+	ret = pci_register_driver(&mt7915_hif_driver);
+	if (ret)
+		return ret;
+
+	ret = pci_register_driver(&mt7915_pci_driver);
+	if (ret)
+		pci_unregister_driver(&mt7915_hif_driver);
+
+	return ret;
+}
+
+static void __exit mt7915_exit(void)
+{
+	pci_unregister_driver(&mt7915_pci_driver);
+	pci_unregister_driver(&mt7915_hif_driver);
+}
+
+module_init(mt7915_init);
+module_exit(mt7915_exit);
+MODULE_LICENSE("Dual BSD/GPL");

index 42d8873..5301690 100644
@@ -353,7 +353,13 @@ static inline u8 mt7915_lmac_mapping(struct mt7915_dev *dev, u8 ac)
 
 extern const struct ieee80211_ops mt7915_ops;
 extern const struct mt76_testmode_ops mt7915_testmode_ops;
+extern struct pci_driver mt7915_pci_driver;
+extern struct pci_driver mt7915_hif_driver;
 
+int mt7915_mmio_probe(struct device *pdev,
+		      void __iomem *mem_base,
+		      u32 device_id,
+		      int irq, struct mt7915_hif *hif2);
 u32 mt7915_reg_map(struct mt7915_dev *dev, u32 addr);
 u64 __mt7915_get_tsf(struct ieee80211_hw *hw, struct mt7915_vif *mvif);
 int mt7915_register_device(struct mt7915_dev *dev);

@@ -487,7 +493,6 @@ void mt7915_mac_work(struct work_struct *work);
 void mt7915_mac_reset_work(struct work_struct *work);
 void mt7915_mac_sta_rc_work(struct work_struct *work);
 void mt7915_mac_update_stats(struct mt7915_phy *phy);
-int mt7915_mmio_init(struct mt76_dev *mdev, void __iomem *mem_base, int irq);
 void mt7915_mac_twt_teardown_flow(struct mt7915_dev *dev,
 				  struct mt7915_sta *msta,
 				  u8 flowid);

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index e96d1c3..710f8ca 100644
@@ -521,14 +521,14 @@ mt7915_tx_stats_show(struct seq_file *file, void *data)
 DEFINE_SHOW_ATTRIBUTE(mt7915_tx_stats);
 
 static void
-mt7915_hw_queue_read(struct seq_file *s, u32 base, u32 size,
+mt7915_hw_queue_read(struct seq_file *s, u32 size,
 		     const struct hw_queue_map *map)
 {
 	struct mt7915_phy *phy = s->private;
 	struct mt7915_dev *dev = phy->dev;
 	u32 i, val;
 
-	val = mt76_rr(dev, base + MT_FL_Q_EMPTY);
+	val = mt76_rr(dev, MT_FL_Q_EMPTY);
 	for (i = 0; i < size; i++) {
 		u32 ctrl, head, tail, queued;
 

@@ -536,13 +536,13 @@ mt7915_hw_queue_read(struct seq_file *s, u32 base, u32 size,
 			continue;
 
 		ctrl = BIT(31) | (map[i].pid << 10) | (map[i].qid << 24);
-		mt76_wr(dev, base + MT_FL_Q0_CTRL, ctrl);
+		mt76_wr(dev, MT_FL_Q0_CTRL, ctrl);
 
-		head = mt76_get_field(dev, base + MT_FL_Q2_CTRL,
+		head = mt76_get_field(dev, MT_FL_Q2_CTRL,
 				      GENMASK(11, 0));
-		tail = mt76_get_field(dev, base + MT_FL_Q2_CTRL,
+		tail = mt76_get_field(dev, MT_FL_Q2_CTRL,
 				      GENMASK(27, 16));
-		queued = mt76_get_field(dev, base + MT_FL_Q3_CTRL,
+		queued = mt76_get_field(dev, MT_FL_Q3_CTRL,
 					GENMASK(11, 0));
 
 		seq_printf(s, "\t%s: ", map[i].name);

@@ -570,8 +570,8 @@ mt7915_sta_hw_queue_read(void *data, struct ieee80211_sta *sta)
 		if (val & BIT(offs))
 			continue;
 
-		mt76_wr(dev, MT_PLE_BASE + MT_FL_Q0_CTRL, ctrl | msta->wcid.idx);
-		qlen = mt76_get_field(dev, MT_PLE_BASE + MT_FL_Q3_CTRL,
+		mt76_wr(dev, MT_FL_Q0_CTRL, ctrl | msta->wcid.idx);
+		qlen = mt76_get_field(dev, MT_FL_Q3_CTRL,
 				      GENMASK(11, 0));
 		seq_printf(s, "\tSTA %pM wcid %d: AC%d%d queued:%d\n",
 			   sta->addr, msta->wcid.idx,

@@ -633,7 +633,7 @@ mt7915_hw_queues_show(struct seq_file *file, void *data)
 		   val, head, tail);
 
 	seq_puts(file, "PLE non-empty queue info:\n");
-	mt7915_hw_queue_read(file, MT_PLE_BASE, ARRAY_SIZE(ple_queue_map),
+	mt7915_hw_queue_read(file, ARRAY_SIZE(ple_queue_map),
 			     &ple_queue_map[0]);
 
 	/* iterate per-sta ple queue */

@@ -641,7 +641,7 @@ mt7915_hw_queues_show(struct seq_file *file, void *data)
 					  mt7915_sta_hw_queue_read, file);
 	/* pse queue */
 	seq_puts(file, "PSE non-empty queue info:\n");
-	mt7915_hw_queue_read(file, MT_PSE_BASE, ARRAY_SIZE(pse_queue_map),
+	mt7915_hw_queue_read(file, ARRAY_SIZE(pse_queue_map),
 			     &pse_queue_map[0]);
 
 	return 0;

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index 4b56358..5aa3117 100644
@@ -464,8 +464,9 @@ static int mt7915_register_ext_phy(struct mt7915_dev *dev)
 	       ETH_ALEN);
 	mt76_eeprom_override(mphy);
 
-	ret = mt7915_init_tx_queues(phy, MT7915_TXQ_BAND1,
-				    MT7915_TX_RING_SIZE);
+	ret = mt7915_init_tx_queues(phy, MT_TXQ_ID(1),
+				    MT7915_TX_RING_SIZE,
+				    MT_TXQ_RING_BASE(1));
 	if (ret)
 		goto error;
 

@@ -564,7 +565,10 @@ static int mt7915_init_hardware(struct mt7915_dev *dev)
 	 * force firmware operation mode into normal state,
 	 * which should be set before firmware download stage.
 	 */
-	mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
+	if (is_mt7915(&dev->mt76))
+		mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
+	else
+		mt76_wr(dev, MT_SWDEF_MODE_MT7916, MT_SWDEF_NORMAL_MODE);
 
 	ret = mt7915_mcu_init(dev);
 	if (ret) {

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index 8ac6f59..8302fae 100644
@@ -861,8 +861,12 @@ u64 __mt7915_get_tsf(struct ieee80211_hw *hw, struct mt7915_vif *mvif)
 	n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
 					       : mvif->mt76.omac_idx;
 	/* TSF software read */
-	mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
-		 MT_LPON_TCR_SW_READ);
+	if (is_mt7915(&dev->mt76))
+		mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
+			 MT_LPON_TCR_SW_READ);
+	else
+		mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE,
+			 MT_LPON_TCR_SW_READ);
 	tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band));
 	tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band));
 

@@ -904,8 +908,12 @@ mt7915_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]);
 	mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]);
 	/* TSF software overwrite */
-	mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
-		 MT_LPON_TCR_SW_WRITE);
+	if (is_mt7915(&dev->mt76))
+		mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
+			 MT_LPON_TCR_SW_WRITE);
+	else
+		mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE,
+			 MT_LPON_TCR_SW_WRITE);
 
 	mutex_unlock(&dev->mt76.mutex);
 }

@@ -931,8 +939,12 @@ mt7915_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]);
 	mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]);
 	/* TSF software adjust*/
-	mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
-		 MT_LPON_TCR_SW_ADJUST);
+	if (is_mt7915(&dev->mt76))
+		mt76_rmw(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE,
+			 MT_LPON_TCR_SW_ADJUST);
+	else
+		mt76_rmw(dev, MT_LPON_TCR_MT7916(band, n), MT_LPON_TCR_SW_MODE,
+			 MT_LPON_TCR_SW_ADJUST);
 
 	mutex_unlock(&dev->mt76.mutex);
 }

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index 5301690..778f405 100644
@@ -13,7 +13,7 @@
 #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 - \
+#define MT7915_WTBL_STA			(MT7915_WTBL_RESERVED -	\
 					 MT7915_MAX_INTERFACES)
 
 #define MT7915_WATCHDOG_TIME		(HZ / 10)

@@ -46,6 +46,7 @@
 
 #define MT7915_MAX_TWT_AGRT		16
 #define MT7915_MAX_STA_TWT_AGRT		8
+#define MT7915_MAX_QUEUE		(__MT_RXQ_MAX + __MT_MCUQ_MAX + 2)
 
 struct mt7915_vif;
 struct mt7915_sta;

@@ -68,6 +69,14 @@ enum mt7915_rxq_id {
 	MT7915_RXQ_MCU_WA_EXT,
 };
 
+enum mt7916_rxq_id {
+	MT7916_RXQ_MCU_WM = 0,
+	MT7916_RXQ_MCU_WA,
+	MT7916_RXQ_MCU_WA_EXT = 3,
+	MT7916_RXQ_BAND0,
+	MT7916_RXQ_BAND1,
+};
+
 struct mt7915_sta_key_conf {
 	s8 keyidx;
 	u8 key[16];

@@ -247,6 +256,10 @@ struct mt7915_dev {
 	};
 
 	struct mt7915_hif *hif2;
+	struct mt7915_reg_desc reg;
+	u8 q_id[MT7915_MAX_QUEUE];
+	u32 q_int_mask[MT7915_MAX_QUEUE];
+	u32 wfdma_mask;
 
 	const struct mt76_bus_ops *bus_ops;
 	struct tasklet_struct irq_tasklet;

@@ -283,6 +296,13 @@ struct mt7915_dev {
 	} twt;
 };
 
+enum {
+	WFDMA0 = 0x0,
+	WFDMA1,
+	WFDMA_EXT,
+	__MT_WFDMA_MAX,
+};
+
 enum {
 	MT_CTX0,
 	MT_HIF0 = 0x0,

@@ -360,7 +380,6 @@ int mt7915_mmio_probe(struct device *pdev,
 		      void __iomem *mem_base,
 		      u32 device_id,
 		      int irq, struct mt7915_hif *hif2);
-u32 mt7915_reg_map(struct mt7915_dev *dev, u32 addr);
 u64 __mt7915_get_tsf(struct ieee80211_hw *hw, struct mt7915_vif *mvif);
 int mt7915_register_device(struct mt7915_dev *dev);
 void mt7915_unregister_device(struct mt7915_dev *dev);

@@ -505,7 +524,7 @@ int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
 			  struct mt76_tx_info *tx_info);
 void mt7915_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
 void mt7915_tx_token_put(struct mt7915_dev *dev);
-int mt7915_init_tx_queues(struct mt7915_phy *phy, int idx, int n_desc);
+int mt7915_init_tx_queues(struct mt7915_phy *phy, int idx, int n_desc, int ring_base);
 void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
 			 struct sk_buff *skb);
 bool mt7915_rx_check(struct mt76_dev *mdev, void *data, int len);

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index 3a9af89..fd4c51b 100644
@@ -93,7 +93,7 @@ mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q)
 {
 	int i;
 
-	if (!q)
+	if (!q || !q->ndesc)
 		return;
 
 	/* clear descriptors */

@@ -233,7 +233,7 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, struct mt76_queue *q, bool flush)
 	struct mt76_queue_entry entry;
 	int last;
 
-	if (!q)
+	if (!q || !q->ndesc)
 		return;
 
 	spin_lock_bh(&q->cleanup_lock);

@@ -448,6 +448,9 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q)
 	int len = SKB_WITH_OVERHEAD(q->buf_size);
 	int offset = q->buf_offset;
 
+	if (!q->ndesc)
+		return 0;
+
 	spin_lock_bh(&q->lock);
 
 	while (q->queued < q->ndesc - 1) {

@@ -484,6 +487,9 @@ mt76_dma_rx_cleanup(struct mt76_dev *dev, struct mt76_queue *q)
 	void *buf;
 	bool more;
 
+	if (!q->ndesc)
+		return;
+
 	spin_lock_bh(&q->lock);
 	do {
 		buf = mt76_dma_dequeue(dev, q, true, NULL, NULL, &more);

@@ -508,6 +514,9 @@ mt76_dma_rx_reset(struct mt76_dev *dev, enum mt76_rxq_id qid)
 	struct mt76_queue *q = &dev->q_rx[qid];
 	int i;
 
+	if (!q->ndesc)
+		return;
+
 	for (i = 0; i < q->ndesc; i++)
 		q->desc[i].ctrl = cpu_to_le32(MT_DMA_CTL_DMA_DONE);
 

index 404c3d1..29bc381 100644
@@ -85,6 +85,7 @@ enum mt76_rxq_id {
 	MT_RXQ_MCU_WA,
 	MT_RXQ_EXT,
 	MT_RXQ_EXT_WA,
+	MT_RXQ_MAIN_WA,
 	__MT_RXQ_MAX
 };
 

index 74377b8..4106d73 100644
@@ -59,6 +59,7 @@ static void mt7915_dma_config(struct mt7915_dev *dev)
 		RXQ_CONFIG(MT_RXQ_MCU_WA, WFDMA1, MT_INT_RX_DONE_WA, MT7915_RXQ_MCU_WA);
 		RXQ_CONFIG(MT_RXQ_EXT, WFDMA0, MT_INT_RX_DONE_BAND1, MT7915_RXQ_BAND1);
 		RXQ_CONFIG(MT_RXQ_EXT_WA, WFDMA1, MT_INT_RX_DONE_WA_EXT, MT7915_RXQ_MCU_WA_EXT);
+		RXQ_CONFIG(MT_RXQ_MAIN_WA, WFDMA1, MT_INT_RX_DONE_WA_MAIN, MT7915_RXQ_MCU_WA);
 		TXQ_CONFIG(0, WFDMA1, MT_INT_TX_DONE_BAND0, MT7915_TXQ_BAND0);
 		TXQ_CONFIG(1, WFDMA1, MT_INT_TX_DONE_BAND1, MT7915_TXQ_BAND1);
 		MCUQ_CONFIG(MT_MCUQ_WM, WFDMA1, MT_INT_TX_DONE_MCU_WM, MT7915_TXQ_MCU_WM);

@@ -70,6 +71,7 @@ static void mt7915_dma_config(struct mt7915_dev *dev)
 		RXQ_CONFIG(MT_RXQ_MCU_WA, WFDMA0, MT_INT_RX_DONE_WA, MT7916_RXQ_MCU_WA);
 		RXQ_CONFIG(MT_RXQ_EXT, WFDMA0, MT_INT_RX_DONE_BAND1_MT7916, MT7916_RXQ_BAND1);
 		RXQ_CONFIG(MT_RXQ_EXT_WA, WFDMA0, MT_INT_RX_DONE_WA_EXT_MT7916, MT7916_RXQ_MCU_WA_EXT);
+		RXQ_CONFIG(MT_RXQ_MAIN_WA, WFDMA0, MT_INT_RX_DONE_WA_MAIN_MT7916, MT7916_RXQ_MCU_WA_MAIN);
 		TXQ_CONFIG(0, WFDMA0, MT_INT_TX_DONE_BAND0, MT7915_TXQ_BAND0);
 		TXQ_CONFIG(1, WFDMA0, MT_INT_TX_DONE_BAND1, MT7915_TXQ_BAND1);
 		MCUQ_CONFIG(MT_MCUQ_WM, WFDMA0, MT_INT_TX_DONE_MCU_WM, MT7915_TXQ_MCU_WM);

@@ -81,6 +83,7 @@ static void mt7915_dma_config(struct mt7915_dev *dev)
 static void __mt7915_dma_prefetch(struct mt7915_dev *dev, u32 ofs)
 {
 #define PREFETCH(_base, _depth)	((_base) << 16 | (_depth))
+	u32 base;
 
 	/* prefetch SRAM wrapping boundary for tx/rx ring. */
 	mt76_wr(dev, MT_MCUQ_EXT_CTRL(MT_MCUQ_FWDL) + ofs, PREFETCH(0x0, 0x4));

@@ -91,9 +94,13 @@ static void __mt7915_dma_prefetch(struct mt7915_dev *dev, u32 ofs)
 
 	mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_MCU) + ofs, PREFETCH(0x140, 0x4));
 	mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_MCU_WA) + ofs, PREFETCH(0x180, 0x4));
-	mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_EXT_WA) + ofs, PREFETCH(0x1c0, 0x4));
-	mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_MAIN) + ofs, PREFETCH(0x200, 0x4));
-	mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_EXT) + ofs, PREFETCH(0x240, 0x4));
+	if (!is_mt7915(&dev->mt76)) {
+		mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_MAIN_WA) + ofs, PREFETCH(0x1c0, 0x4));
+		base = 0x40;
+	}
+	mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_EXT_WA) + ofs, PREFETCH(0x1c0 + base, 0x4));
+	mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_MAIN) + ofs, PREFETCH(0x200 + base, 0x4));
+	mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_EXT) + ofs, PREFETCH(0x240 + base, 0x4));
 
 	/* for mt7915, the ring which is next the last
 	 * used ring must be initialized.

@@ -101,8 +108,8 @@ static void __mt7915_dma_prefetch(struct mt7915_dev *dev, u32 ofs)
 	if (is_mt7915(&dev->mt76)) {
 		ofs += 0x4;
 		mt76_wr(dev, MT_MCUQ_EXT_CTRL(MT_MCUQ_WA) + ofs, PREFETCH(0x140, 0x0));
-		mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_EXT_WA) + ofs, PREFETCH(0x200, 0x0));
-		mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_EXT) + ofs, PREFETCH(0x280, 0x0));
+		mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_EXT_WA) + ofs, PREFETCH(0x200 + base, 0x0));
+		mt76_wr(dev, MT_RXQ_EXT_CTRL(MT_RXQ_EXT) + ofs, PREFETCH(0x280 + base, 0x0));
 	}
 }
 

@@ -113,45 +120,221 @@ void mt7915_dma_prefetch(struct mt7915_dev *dev)
 		__mt7915_dma_prefetch(dev, MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0));
 }
 
-int mt7915_dma_init(struct mt7915_dev *dev)
+static void mt7915_dma_disable(struct mt7915_dev *dev, bool rst)
 {
+	struct mt76_dev *mdev = &dev->mt76;
 	u32 hif1_ofs = 0;
-	int ret;
 
-	mt7915_dma_config(dev);
+	if (dev->hif2)
+		hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0);
 
-	mt76_dma_attach(&dev->mt76);
+	/* reset */
+	if (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);
+
+		if (is_mt7915(mdev)) {
+			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);
+		}
+
+		if (dev->hif2) {
+			mt76_clear(dev, MT_WFDMA0_RST + hif1_ofs,
+				   MT_WFDMA0_RST_DMASHDL_ALL_RST |
+				   MT_WFDMA0_RST_LOGIC_RST);
+
+			mt76_set(dev, MT_WFDMA0_RST + hif1_ofs,
+				 MT_WFDMA0_RST_DMASHDL_ALL_RST |
+				 MT_WFDMA0_RST_LOGIC_RST);
+
+			if (is_mt7915(mdev)) {
+				mt76_clear(dev, MT_WFDMA1_RST + hif1_ofs,
+					   MT_WFDMA1_RST_DMASHDL_ALL_RST |
+					   MT_WFDMA1_RST_LOGIC_RST);
+
+				mt76_set(dev, MT_WFDMA1_RST + hif1_ofs,
+					 MT_WFDMA1_RST_DMASHDL_ALL_RST |
+					 MT_WFDMA1_RST_LOGIC_RST);
+			}
+		}
+	}
+
+	/* disable */
+	mt76_clear(dev, MT_WFDMA0_GLO_CFG,
+		   MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+		   MT_WFDMA0_GLO_CFG_RX_DMA_EN |
+		   MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
+		   MT_WFDMA0_GLO_CFG_OMIT_RX_INFO |
+		   MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
+
+	if (is_mt7915(mdev))
+		mt76_clear(dev, MT_WFDMA1_GLO_CFG,
+			   MT_WFDMA1_GLO_CFG_TX_DMA_EN |
+			   MT_WFDMA1_GLO_CFG_RX_DMA_EN |
+			   MT_WFDMA1_GLO_CFG_OMIT_TX_INFO |
+			   MT_WFDMA1_GLO_CFG_OMIT_RX_INFO |
+			   MT_WFDMA1_GLO_CFG_OMIT_RX_INFO_PFET2);
+
+	if (dev->hif2) {
+		mt76_clear(dev, MT_WFDMA0_GLO_CFG + hif1_ofs,
+			   MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+			   MT_WFDMA0_GLO_CFG_RX_DMA_EN |
+			   MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
+			   MT_WFDMA0_GLO_CFG_OMIT_RX_INFO |
+			   MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
+
+		if (is_mt7915(mdev))
+			mt76_clear(dev, MT_WFDMA1_GLO_CFG + hif1_ofs,
+				   MT_WFDMA1_GLO_CFG_TX_DMA_EN |
+				   MT_WFDMA1_GLO_CFG_RX_DMA_EN |
+				   MT_WFDMA1_GLO_CFG_OMIT_TX_INFO |
+				   MT_WFDMA1_GLO_CFG_OMIT_RX_INFO |
+				   MT_WFDMA1_GLO_CFG_OMIT_RX_INFO_PFET2);
+	}
+}
+
+static int mt7915_dma_enable(struct mt7915_dev *dev)
+{
+	struct mt76_dev *mdev = &dev->mt76;
+	u32 hif1_ofs = 0;
+	u32 irq_mask;
 
 	if (dev->hif2)
 		hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0);
 
-	/* configure global setting */
-	mt76_set(dev, MT_WFDMA1_GLO_CFG,
-		 MT_WFDMA1_GLO_CFG_OMIT_TX_INFO |
-		 MT_WFDMA1_GLO_CFG_OMIT_RX_INFO);
-
 	/* reset dma idx */
 	mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR, ~0);
-	mt76_wr(dev, MT_WFDMA1_RST_DTX_PTR, ~0);
+	if (is_mt7915(mdev))
+		mt76_wr(dev, MT_WFDMA1_RST_DTX_PTR, ~0);
+	if (dev->hif2) {
+		mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR + hif1_ofs, ~0);
+		if (is_mt7915(mdev))
+			mt76_wr(dev, MT_WFDMA1_RST_DTX_PTR + hif1_ofs, ~0);
+	}
 
-	/* configure delay interrupt */
+	/* configure delay interrupt off */
 	mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0, 0);
-	mt76_wr(dev, MT_WFDMA1_PRI_DLY_INT_CFG0, 0);
+	if (is_mt7915(mdev)) {
+		mt76_wr(dev, MT_WFDMA1_PRI_DLY_INT_CFG0, 0);
+	} else {
+		mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG1, 0);
+		mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG2, 0);
+	}
 
 	if (dev->hif2) {
-		mt76_set(dev, MT_WFDMA1_GLO_CFG + hif1_ofs,
+		mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0 + hif1_ofs, 0);
+		if (is_mt7915(mdev)) {
+			mt76_wr(dev, MT_WFDMA1_PRI_DLY_INT_CFG0 +
+				hif1_ofs, 0);
+		} else {
+			mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG1 +
+				hif1_ofs, 0);
+			mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG2 +
+				hif1_ofs, 0);
+		}
+	}
+
+	/* configure perfetch settings */
+	mt7915_dma_prefetch(dev);
+
+	/* 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);
+
+	if (is_mt7915(mdev))
+		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);
+
+	if (dev->hif2) {
+		mt76_set(dev, MT_WFDMA0_BUSY_ENA + hif1_ofs,
+			 MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO0 |
+			 MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO1 |
+			 MT_WFDMA0_PCIE1_BUSY_ENA_RX_FIFO);
+
+		if (is_mt7915(mdev))
+			mt76_set(dev, MT_WFDMA1_BUSY_ENA + hif1_ofs,
+				 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 |
+		 MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
+		 MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
+
+	if (is_mt7915(mdev))
+		mt76_set(dev, MT_WFDMA1_GLO_CFG,
+			 MT_WFDMA1_GLO_CFG_TX_DMA_EN |
+			 MT_WFDMA1_GLO_CFG_RX_DMA_EN |
 			 MT_WFDMA1_GLO_CFG_OMIT_TX_INFO |
 			 MT_WFDMA1_GLO_CFG_OMIT_RX_INFO);
 
-		mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR + hif1_ofs, ~0);
-		mt76_wr(dev, MT_WFDMA1_RST_DTX_PTR + hif1_ofs, ~0);
+	if (dev->hif2) {
+		mt76_set(dev, MT_WFDMA0_GLO_CFG + hif1_ofs,
+			 MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+			 MT_WFDMA0_GLO_CFG_RX_DMA_EN |
+			 MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
+			 MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
+
+		if (is_mt7915(mdev))
+			mt76_set(dev, MT_WFDMA1_GLO_CFG + hif1_ofs,
+				 MT_WFDMA1_GLO_CFG_TX_DMA_EN |
+				 MT_WFDMA1_GLO_CFG_RX_DMA_EN |
+				 MT_WFDMA1_GLO_CFG_OMIT_TX_INFO |
+				 MT_WFDMA1_GLO_CFG_OMIT_RX_INFO);
 
-		mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0 + hif1_ofs, 0);
-		mt76_wr(dev, MT_WFDMA1_PRI_DLY_INT_CFG0 + hif1_ofs, 0);
+		mt76_set(dev, MT_WFDMA_HOST_CONFIG,
+			 MT_WFDMA_HOST_CONFIG_PDMA_BAND);
 	}
 
-	/* configure perfetch settings */
-	mt7915_dma_prefetch(dev);
+	/* enable interrupts for TX/RX rings */
+	irq_mask = MT_INT_RX_DONE_MCU |
+		   MT_INT_TX_DONE_MCU |
+		   MT_INT_MCU_CMD |
+		   MT_INT_BAND0_RX_DONE;
+
+	if (dev->dbdc_support)
+		irq_mask |= MT_INT_BAND1_RX_DONE;
+
+	mt7915_irq_enable(dev, irq_mask);
+
+	return 0;
+}
+
+int mt7915_dma_init(struct mt7915_dev *dev)
+{
+	struct mt76_dev *mdev = &dev->mt76;
+	u32 hif1_ofs = 0;
+	int ret;
+
+	mt7915_dma_config(dev);
+
+	mt76_dma_attach(&dev->mt76);
+
+	if (dev->hif2)
+		hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0);
+
+	mt7915_dma_disable(dev, true);
 
 	/* init tx queue */
 	ret = mt7915_init_tx_queues(&dev->phy,

@@ -203,7 +386,7 @@ int mt7915_dma_init(struct mt7915_dev *dev)
 	if (ret)
 		return ret;
 
-	/* rx data queue */
+	/* rx data queue for band0 */
 	ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN],
 			       MT_RXQ_ID(MT_RXQ_MAIN),
 			       MT7915_RX_RING_SIZE,

@@ -212,7 +395,19 @@ int mt7915_dma_init(struct mt7915_dev *dev)
 	if (ret)
 		return ret;
 
+	/* tx free notify event from WA for band0 */
+	if (!is_mt7915(mdev)) {
+		ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN_WA],
+				       MT_RXQ_ID(MT_RXQ_MAIN_WA),
+				       MT7915_RX_MCU_RING_SIZE,
+				       MT_RX_BUF_SIZE,
+				       MT_RXQ_RING_BASE(MT_RXQ_MAIN_WA));
+		if (ret)
+			return ret;
+	}
+
 	if (dev->dbdc_support) {
+		/* rx data queue for band1 */
 		ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_EXT],
 				       MT_RXQ_ID(MT_RXQ_EXT),
 				       MT7915_RX_RING_SIZE,

@@ -221,7 +416,7 @@ int mt7915_dma_init(struct mt7915_dev *dev)
 		if (ret)
 			return ret;
 
-		/* event from WA */
+		/* tx free notify event from WA for band1 */
 		ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_EXT_WA],
 				       MT_RXQ_ID(MT_RXQ_EXT_WA),
 				       MT7915_RX_MCU_RING_SIZE,

@@ -239,80 +434,14 @@ int mt7915_dma_init(struct mt7915_dev *dev)
 			  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);
-
-	if (dev->hif2) {
-		mt76_set(dev, MT_WFDMA0_GLO_CFG + hif1_ofs,
-			 (MT_WFDMA0_GLO_CFG_TX_DMA_EN |
-			  MT_WFDMA0_GLO_CFG_RX_DMA_EN));
-		mt76_set(dev, MT_WFDMA1_GLO_CFG + hif1_ofs,
-			 (MT_WFDMA1_GLO_CFG_TX_DMA_EN |
-			  MT_WFDMA1_GLO_CFG_RX_DMA_EN));
-		mt76_set(dev, MT_WFDMA_HOST_CONFIG,
-			 MT_WFDMA_HOST_CONFIG_PDMA_BAND);
-	}
-
-	/* enable interrupts for TX/RX rings */
-	mt7915_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_MCU |
-			  MT_INT_MCU_CMD);
+	mt7915_dma_enable(dev);
 
 	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);
+	mt7915_dma_disable(dev, true);
 
 	mt76_dma_cleanup(&dev->mt76);
 }

index 5aa3117..2da342d 100644
@@ -397,8 +397,15 @@ mt7915_mac_init_band(struct mt7915_dev *dev, u8 band)
 static void mt7915_mac_init(struct mt7915_dev *dev)
 {
 	int i;
+	u32 rx_len = is_mt7915(&dev->mt76) ? 0x400 : 0x680;
+
+	/* config pse qid6 wfdma port selection */
+	if (!is_mt7915(&dev->mt76) && dev->hif2)
+		mt76_rmw(dev, MT_WF_PP_TOP_RXQ_WFDMA_CF_5, 0,
+			 MT_WF_PP_TOP_RXQ_QID6_WFDMA_HIF_SEL_MASK);
+
+	mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, rx_len);
 
-	mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 0x400);
 	/* enable hardware de-agg */
 	mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
 

index b44b2b2..80db7b5 100644
@@ -801,6 +801,10 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
 	if (!status->wcid || !ieee80211_is_data_qos(fc))
 		return 0;
 
+	/* drop no data frame */
+	if (fc & cpu_to_le16(IEEE80211_STYPE_NULLFUNC))
+		return -EINVAL;
+
 	status->aggr = unicast &&
 		       !ieee80211_is_qos_nullfunc(fc);
 	status->qos_ctl = qos_ctl;

index de25cd9..dfc975e 100644
@@ -486,6 +486,10 @@ static void mt7915_irq_tasklet(struct tasklet_struct *t)
 	if (intr & MT_INT_RX(MT_RXQ_MCU_WA))
 		napi_schedule(&dev->mt76.napi[MT_RXQ_MCU_WA]);
 
+	if (!is_mt7915(&dev->mt76) &&
+	    (intr & MT_INT_RX(MT_RXQ_MAIN_WA)))
+		napi_schedule(&dev->mt76.napi[MT_RXQ_MAIN_WA]);
+
 	if (intr & MT_INT_RX(MT_RXQ_EXT_WA))
 		napi_schedule(&dev->mt76.napi[MT_RXQ_EXT_WA]);
 

index 778f405..673c2d7 100644
@@ -72,7 +72,8 @@ enum mt7915_rxq_id {
 enum mt7916_rxq_id {
 	MT7916_RXQ_MCU_WM = 0,
 	MT7916_RXQ_MCU_WA,
-	MT7916_RXQ_MCU_WA_EXT = 3,
+	MT7916_RXQ_MCU_WA_MAIN,
+	MT7916_RXQ_MCU_WA_EXT,
 	MT7916_RXQ_BAND0,
 	MT7916_RXQ_BAND1,
 };

index 372b7f6..a8e864a 100644
@@ -510,9 +510,14 @@ enum offs_rev {
 #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_GLO_CFG_OMIT_TX_INFO	BIT(28)
+#define MT_WFDMA0_GLO_CFG_OMIT_RX_INFO	BIT(27)
+#define MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2	BIT(21)
 
 #define MT_WFDMA0_RST_DTX_PTR		MT_WFDMA0(0x20c)
 #define MT_WFDMA0_PRI_DLY_INT_CFG0	MT_WFDMA0(0x2f0)
+#define MT_WFDMA0_PRI_DLY_INT_CFG1	MT_WFDMA0(0x2f4)
+#define MT_WFDMA0_PRI_DLY_INT_CFG2	MT_WFDMA0(0x2f8)
 
 /* WFDMA1 */
 #define MT_WFDMA1_BASE			0xd5000

@@ -532,6 +537,7 @@ enum offs_rev {
 #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_GLO_CFG_OMIT_RX_INFO_PFET2	BIT(21)
 
 #define MT_WFDMA1_RST_DTX_PTR		MT_WFDMA1(0x20c)
 #define MT_WFDMA1_PRI_DLY_INT_CFG0	MT_WFDMA1(0x2f0)

@@ -601,10 +607,12 @@ enum offs_rev {
 #define MT_INT_RX_DONE_BAND1		BIT(17)
 #define MT_INT_RX_DONE_WM		BIT(0)
 #define MT_INT_RX_DONE_WA		BIT(1)
+#define MT_INT_RX_DONE_WA_MAIN		BIT(1)
 #define MT_INT_RX_DONE_WA_EXT		BIT(2)
 #define MT_INT_MCU_CMD			BIT(29)
 #define MT_INT_RX_DONE_BAND0_MT7916	BIT(22)
 #define MT_INT_RX_DONE_BAND1_MT7916	BIT(23)
+#define MT_INT_RX_DONE_WA_MAIN_MT7916	BIT(2)
 #define MT_INT_RX_DONE_WA_EXT_MT7916	BIT(3)
 
 #define MT_INT_RX(q)			(dev->q_int_mask[__RXQ(q)])

@@ -614,11 +622,11 @@ enum offs_rev {
 					 MT_INT_RX(MT_RXQ_MCU_WA))
 
 #define MT_INT_BAND0_RX_DONE		(MT_INT_RX(MT_RXQ_MAIN) |	\
-					 MT_INT_RX(MT_RXQ_MCU_WA))
+					 MT_INT_RX(MT_RXQ_MAIN_WA))
 
 #define MT_INT_BAND1_RX_DONE		(MT_INT_RX(MT_RXQ_EXT) |	\
-					 MT_INT_RX(MT_RXQ_MCU_WA) |	\
-					 MT_INT_RX(MT_RXQ_EXT_WA))
+					 MT_INT_RX(MT_RXQ_EXT_WA) |	\
+					 MT_INT_RX(MT_RXQ_MAIN_WA))
 
 #define MT_INT_RX_DONE_ALL		(MT_INT_RX_DONE_MCU |		\
 					 MT_INT_BAND0_RX_DONE |		\

@@ -741,6 +749,13 @@ enum offs_rev {
 #define MT_PCIE1_MAC_INT_ENABLE		0x74020188
 #define MT_PCIE1_MAC_INT_ENABLE_MT7916	0x74090188
 
+/* PP TOP */
+#define MT_WF_PP_TOP_BASE		0x820cc000
+#define MT_WF_PP_TOP(ofs)		(MT_WF_PP_TOP_BASE + (ofs))
+
+#define MT_WF_PP_TOP_RXQ_WFDMA_CF_5	MT_WF_PP_TOP(0x0e8)
+#define MT_WF_PP_TOP_RXQ_QID6_WFDMA_HIF_SEL_MASK	BIT(6)
+
 #define MT_WF_IRPI_BASE			0x83006000
 #define MT_WF_IRPI(ofs)			(MT_WF_IRPI_BASE + ((ofs) << 16))
 

index 2da342d..edf0d7e 100644
@@ -511,41 +511,53 @@ static void mt7915_init_work(struct work_struct *work)
 
 static void mt7915_wfsys_reset(struct mt7915_dev *dev)
 {
-	u32 val = MT_TOP_PWR_KEY | MT_TOP_PWR_SW_PWR_ON | MT_TOP_PWR_PWR_ON;
+	u32 val;
 
 #define MT_MCU_DUMMY_RANDOM	GENMASK(15, 0)
 #define MT_MCU_DUMMY_DEFAULT	GENMASK(31, 16)
+	if (is_mt7915(&dev->mt76)) {
+		mt76_wr(dev, MT_MCU_WFDMA0_DUMMY_CR, MT_MCU_DUMMY_RANDOM);
+
+		/* change to software control */
+		val |= MT_TOP_PWR_SW_RST;
+		mt76_wr(dev, MT_TOP_PWR_CTRL, val);
+
+		/* reset wfsys */
+		val &= ~MT_TOP_PWR_SW_RST;
+		mt76_wr(dev, MT_TOP_PWR_CTRL, val);
+
+		/* release wfsys then mcu re-excutes romcode */
+		val |= MT_TOP_PWR_SW_RST;
+		mt76_wr(dev, MT_TOP_PWR_CTRL, val);
+
+		/* switch to hw control */
+		val &= ~MT_TOP_PWR_SW_RST;
+		val |= MT_TOP_PWR_HW_CTRL;
+		mt76_wr(dev, MT_TOP_PWR_CTRL, val);
+
+		/* check whether mcu resets to default */
+		if (!mt76_poll_msec(dev, MT_MCU_WFDMA0_DUMMY_CR,
+				    MT_MCU_DUMMY_DEFAULT, MT_MCU_DUMMY_DEFAULT,
+				    1000)) {
+			dev_err(dev->mt76.dev, "wifi subsystem reset failure\n");
+			return;
+		}
 
-	mt76_wr(dev, MT_MCU_WFDMA0_DUMMY_CR, MT_MCU_DUMMY_RANDOM);
-
-	/* change to software control */
-	val |= MT_TOP_PWR_SW_RST;
-	mt76_wr(dev, MT_TOP_PWR_CTRL, val);
-
-	/* reset wfsys */
-	val &= ~MT_TOP_PWR_SW_RST;
-	mt76_wr(dev, MT_TOP_PWR_CTRL, val);
+		/* wfsys reset won't clear host registers */
+		mt76_clear(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE);
 
-	/* release wfsys then mcu re-excutes romcode */
-	val |= MT_TOP_PWR_SW_RST;
-	mt76_wr(dev, MT_TOP_PWR_CTRL, val);
+		msleep(100);
+	} else {
+		val = mt76_rr(dev, MT_WF_SUBSYS_RST);
 
-	/* switch to hw control */
-	val &= ~MT_TOP_PWR_SW_RST;
-	val |= MT_TOP_PWR_HW_CTRL;
-	mt76_wr(dev, MT_TOP_PWR_CTRL, val);
+		val |= 0x1;
+		mt76_wr(dev, MT_WF_SUBSYS_RST, val);
+		msleep(20);
 
-	/* check whether mcu resets to default */
-	if (!mt76_poll_msec(dev, MT_MCU_WFDMA0_DUMMY_CR, MT_MCU_DUMMY_DEFAULT,
-			    MT_MCU_DUMMY_DEFAULT, 1000)) {
-		dev_err(dev->mt76.dev, "wifi subsystem reset failure\n");
-		return;
+		val &= ~0x1;
+		mt76_wr(dev, MT_WF_SUBSYS_RST, val);
+		msleep(20);
 	}
-
-	/* wfsys reset won't clear host registers */
-	mt76_clear(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE);
-
-	msleep(100);
 }
 
 static int mt7915_init_hardware(struct mt7915_dev *dev)

@@ -568,15 +580,6 @@ static int mt7915_init_hardware(struct mt7915_dev *dev)
 
 	set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
 
-	/*
-	 * force firmware operation mode into normal state,
-	 * which should be set before firmware download stage.
-	 */
-	if (is_mt7915(&dev->mt76))
-		mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
-	else
-		mt76_wr(dev, MT_SWDEF_MODE_MT7916, MT_SWDEF_NORMAL_MODE);
-
 	ret = mt7915_mcu_init(dev);
 	if (ret) {
 		/* Reset and try again */

154 lines not on this page · raw message

index 673c2d7..d4449e3 100644
@@ -30,6 +30,10 @@
 #define MT7915_FIRMWARE_WM		"mediatek/mt7915_wm.bin"
 #define MT7915_ROM_PATCH		"mediatek/mt7915_rom_patch.bin"
 
+#define MT7916_FIRMWARE_WA		"mediatek/mt7916_wa.bin"
+#define MT7916_FIRMWARE_WM		"mediatek/mt7916_wm.bin"
+#define MT7916_ROM_PATCH		"mediatek/mt7916_rom_patch.bin"
+
 #define MT7915_EEPROM_DEFAULT		"mediatek/mt7915_eeprom.bin"
 #define MT7915_EEPROM_DEFAULT_DBDC	"mediatek/mt7915_eeprom_dbdc.bin"
 

index e4854a4..5d6adcd 100644
@@ -167,3 +167,6 @@ MODULE_DEVICE_TABLE(pci, mt7915_hif_device_table);
 MODULE_FIRMWARE(MT7915_FIRMWARE_WA);
 MODULE_FIRMWARE(MT7915_FIRMWARE_WM);
 MODULE_FIRMWARE(MT7915_ROM_PATCH);
+MODULE_FIRMWARE(MT7916_FIRMWARE_WA);
+MODULE_FIRMWARE(MT7916_FIRMWARE_WM);
+MODULE_FIRMWARE(MT7916_ROM_PATCH);

index a8e864a..1168a62 100644
@@ -729,17 +729,21 @@ enum offs_rev {
 #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_BAND(_band)	MT_TOP(0x10 + ((_band) * 0x10))
 #define MT_TOP_LPCR_HOST_FW_OWN		BIT(0)
 #define MT_TOP_LPCR_HOST_DRV_OWN	BIT(1)
 #define MT_TOP_LPCR_HOST_FW_OWN_STAT	BIT(2)
 
+#define MT_TOP_LPCR_HOST_BAND_IRQ_STAT(_band)	MT_TOP(0x14 + ((_band) * 0x10))
+#define MT_TOP_LPCR_HOST_BAND_STAT	BIT(0)
+
 #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_WF_SUBSYS_RST		0x70002600
 
 /* PCIE MAC */
 #define MT_PCIE_MAC_BASE		0x74030000

index edd74d0..40dcbeb 100644
@@ -10,6 +10,7 @@ static int mt7915_eeprom_load_precal(struct mt7915_dev *dev)
 	struct mt76_dev *mdev = &dev->mt76;
 	u8 *eeprom = mdev->eeprom.data;
 	u32 val = eeprom[MT_EE_DO_PRE_CAL];
+	u32 offs;
 
 	if (!dev->flash_mode)
 		return 0;

@@ -22,7 +23,9 @@ static int mt7915_eeprom_load_precal(struct mt7915_dev *dev)
 	if (!dev->cal)
 		return -ENOMEM;
 
-	return mt76_get_of_eeprom(mdev, dev->cal, MT_EE_PRECAL, val);
+	offs = is_mt7915(&dev->mt76) ? MT_EE_PRECAL : MT_EE_PRECAL_V2;
+
+	return mt76_get_of_eeprom(mdev, dev->cal, offs, val);
 }
 
 static int mt7915_check_eeprom(struct mt7915_dev *dev)

@@ -98,7 +101,7 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev)
 	return mt7915_check_eeprom(dev);
 }
 
-void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy)
+static void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy)
 {
 	struct mt7915_dev *dev = phy->dev;
 	bool ext_phy = phy != &dev->phy;

@@ -124,32 +127,55 @@ void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy)
 	}
 }
 
-static void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev)
+void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev,
+				struct mt7915_phy *phy)
 {
 	u8 nss, nss_band, *eeprom = dev->mt76.eeprom.data;
+	struct mt76_phy *mphy = phy->mt76;
+	bool ext_phy = phy != &dev->phy;
+
+	mt7915_eeprom_parse_band_config(phy);
 
-	mt7915_eeprom_parse_band_config(&dev->phy);
+	/* read tx/rx mask from eeprom */
+	if (is_mt7915(&dev->mt76)) {
+		nss = FIELD_GET(MT_EE_WIFI_CONF0_TX_PATH,
+				eeprom[MT_EE_WIFI_CONF]);
+	} else {
+		nss = FIELD_GET(MT_EE_WIFI_CONF0_TX_PATH,
+				eeprom[MT_EE_WIFI_CONF + ext_phy]);
+	}
 
-	/* read tx mask from eeprom */
-	nss = FIELD_GET(MT_EE_WIFI_CONF0_TX_PATH, eeprom[MT_EE_WIFI_CONF]);
 	if (!nss || nss > 4)
 		nss = 4;
 
+	/* read tx/rx stream */
 	nss_band = nss;
-
 	if (dev->dbdc_support) {
-		nss_band = FIELD_GET(MT_EE_WIFI_CONF3_TX_PATH_B0,
-				     eeprom[MT_EE_WIFI_CONF + 3]);
+		if (is_mt7915(&dev->mt76)) {
+			nss_band = FIELD_GET(MT_EE_WIFI_CONF3_TX_PATH_B0,
+					     eeprom[MT_EE_WIFI_CONF + 3]);
+			if (ext_phy)
+				nss_band = FIELD_GET(MT_EE_WIFI_CONF3_TX_PATH_B1,
+						     eeprom[MT_EE_WIFI_CONF + 3]);
+		} else {
+			nss_band = FIELD_GET(MT_EE_WIFI_CONF_STREAM_NUM,
+					     eeprom[MT_EE_WIFI_CONF + 2 + ext_phy]);
+		}
+
 		if (!nss_band || nss_band > 2)
 			nss_band = 2;
+	}
 
-		if (nss_band >= nss)
-			nss = 4;
+	if (nss_band > nss) {
+		dev_err(dev->mt76.dev,
+			"nss mismatch, nss(%d) nss_band(%d) ext_phy(%d)\n",
+			nss, nss_band, ext_phy);
+		nss = nss_band;
 	}
 
-	dev->chainmask = BIT(nss) - 1;
-	dev->mphy.antenna_mask = BIT(nss_band) - 1;
-	dev->mphy.chainmask = dev->mphy.antenna_mask;
+	mphy->chainmask = ext_phy ? (BIT(nss_band) - 1) << 2 : (BIT(nss_band) - 1);
+	mphy->antenna_mask = BIT(hweight8(mphy->chainmask)) - 1;
+	dev->chainmask |= mphy->chainmask;
 }
 
 int mt7915_eeprom_init(struct mt7915_dev *dev)

@@ -171,7 +197,7 @@ int mt7915_eeprom_init(struct mt7915_dev *dev)
 	if (ret)
 		return ret;
 
-	mt7915_eeprom_parse_hw_cap(dev);
+	mt7915_eeprom_parse_hw_cap(dev, &dev->phy);
 	memcpy(dev->mphy.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
 	       ETH_ALEN);
 

@@ -194,15 +220,20 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
 	tssi_on = mt7915_tssi_enabled(dev, chan->band);
 
 	if (chan->band == NL80211_BAND_2GHZ) {
-		index = MT_EE_TX0_POWER_2G + chain_idx * 3;
+		u32 power = is_mt7915(&dev->mt76) ?
+			MT_EE_TX0_POWER_2G : MT_EE_TX0_POWER_2G_V2;
+
+		index = power + chain_idx * 3;
 		target_power = eeprom[index];
 
 		if (!tssi_on)
 			target_power += eeprom[index + 1];
 	} else {
 		int group = mt7915_get_channel_group(chan->hw_value);
+		u32 power = is_mt7915(&dev->mt76) ?
+			MT_EE_TX0_POWER_5G : MT_EE_TX0_POWER_5G_V2;
 
-		index = MT_EE_TX0_POWER_5G + chain_idx * 12;
+		index = power + chain_idx * 12;
 		target_power = eeprom[index + group];
 
 		if (!tssi_on)

@@ -217,11 +248,18 @@ s8 mt7915_eeprom_get_power_delta(struct mt7915_dev *dev, int band)
 	u8 *eeprom = dev->mt76.eeprom.data;
 	u32 val;
 	s8 delta;
+	u32 rate_2g, rate_5g;
+
+	rate_2g = is_mt7915(&dev->mt76) ?
+		MT_EE_RATE_DELTA_2G : MT_EE_RATE_DELTA_2G_V2;
+
+	rate_5g = is_mt7915(&dev->mt76) ?
+		MT_EE_RATE_DELTA_5G : MT_EE_RATE_DELTA_5G_V2;
 
 	if (band == NL80211_BAND_2GHZ)
-		val = eeprom[MT_EE_RATE_DELTA_2G];
+		val = eeprom[rate_2g];
 	else
-		val = eeprom[MT_EE_RATE_DELTA_5G];
+		val = eeprom[rate_5g];
 
 	if (!(val & MT_EE_RATE_DELTA_EN))
 		return 0;

index a43389a..92d1a94 100644
@@ -23,11 +23,17 @@ enum mt7915_eeprom_field {
 	MT_EE_RATE_DELTA_5G =	0x29d,
 	MT_EE_TX0_POWER_2G =	0x2fc,
 	MT_EE_TX0_POWER_5G =	0x34b,
+	MT_EE_RATE_DELTA_2G_V2 = 0x7d3,
+	MT_EE_RATE_DELTA_5G_V2 = 0x81e,
+	MT_EE_TX0_POWER_2G_V2 =	0x441,
+	MT_EE_TX0_POWER_5G_V2 =	0x445,
 	MT_EE_ADIE_FT_VERSION =	0x9a0,
 
 	__MT_EE_MAX =		0xe00,
+	__MT_EE_MAX_V2 =	0x1000,
 	/* 0xe10 ~ 0x5780 used to save group cal data */
-	MT_EE_PRECAL =		0xe10
+	MT_EE_PRECAL =		0xe10,
+	MT_EE_PRECAL_V2 =	0x1010
 };
 
 #define MT_EE_WIFI_CAL_GROUP			BIT(0)

@@ -39,6 +45,7 @@ enum mt7915_eeprom_field {
 #define MT_EE_WIFI_CONF0_TX_PATH		GENMASK(2, 0)
 #define MT_EE_WIFI_CONF0_BAND_SEL		GENMASK(7, 6)
 #define MT_EE_WIFI_CONF1_BAND_SEL		GENMASK(7, 6)
+#define MT_EE_WIFI_CONF_STREAM_NUM		GENMASK(7, 5)
 #define MT_EE_WIFI_CONF3_TX_PATH_B0		GENMASK(1, 0)
 #define MT_EE_WIFI_CONF3_TX_PATH_B1		GENMASK(5, 4)
 #define MT_EE_WIFI_CONF7_TSSI0_2G		BIT(0)

104 lines not on this page · raw message

index d4449e3..44702b8 100644
@@ -389,7 +389,8 @@ u64 __mt7915_get_tsf(struct ieee80211_hw *hw, struct mt7915_vif *mvif);
 int mt7915_register_device(struct mt7915_dev *dev);
 void mt7915_unregister_device(struct mt7915_dev *dev);
 int mt7915_eeprom_init(struct mt7915_dev *dev);
-void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy);
+void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev,
+				struct mt7915_phy *phy);
 int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
 				   struct ieee80211_channel *chan,
 				   u8 chain_idx);

index 29bc381..4accfb5 100644
@@ -225,7 +225,7 @@ enum mt76_wcid_flags {
 	MT_WCID_FLAG_HDR_TRANS,
 };
 
-#define MT76_N_WCIDS 288
+#define MT76_N_WCIDS 544
 
 /* stored in ieee80211_tx_info::hw_queue */
 #define MT_TX_HW_QUEUE_EXT_PHY		BIT(3)

index 00dce19..8bc88db 100644
@@ -430,7 +430,7 @@ static void mt7915_mac_init(struct mt7915_dev *dev)
 	/* enable hardware de-agg */
 	mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
 
-	for (i = 0; i < MT7915_WTBL_SIZE; i++)
+	for (i = 0; i < mt7915_wtbl_size(dev); i++)
 		mt7915_mac_wtbl_update(dev, i,
 				       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
 	for (i = 0; i < 2; i++)

index 80db7b5..0be2e9f 100644
@@ -1598,7 +1598,7 @@ static void mt7915_mac_add_txs(struct mt7915_dev *dev, void *data)
 	if (pid < MT_PACKET_ID_FIRST)
 		return;
 
-	if (wcidx >= MT7915_WTBL_SIZE)
+	if (wcidx >= mt7915_wtbl_size(dev))
 		return;
 
 	rcu_read_lock();

index 44702b8..0066776 100644
@@ -12,8 +12,9 @@
 #define MT7915_MAX_INTERFACES		19
 #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 -	\
+#define MT7916_WTBL_SIZE		544
+#define MT7915_WTBL_RESERVED		(mt7915_wtbl_size(dev) - 1)
+#define MT7915_WTBL_STA			(MT7915_WTBL_RESERVED - \
 					 MT7915_MAX_INTERFACES)
 
 #define MT7915_WATCHDOG_TIME		(HZ / 10)

@@ -480,6 +481,11 @@ static inline bool is_mt7915(struct mt76_dev *dev)
 	return mt76_chip(dev) == 0x7915;
 }
 
+static inline u16 mt7915_wtbl_size(struct mt7915_dev *dev)
+{
+	return is_mt7915(&dev->mt76) ? MT7915_WTBL_SIZE : MT7916_WTBL_SIZE;
+}
+
 void mt7915_dual_hif_set_irq_mask(struct mt7915_dev *dev, bool write_reg,
 				  u32 clear, u32 set);
 

index 0be2e9f..74ec7cd 100644
@@ -1387,8 +1387,10 @@ mt7915_mac_tx_free(struct mt7915_dev *dev, void *data, int len)
 	LIST_HEAD(free_list);
 	struct sk_buff *skb, *tmp;
 	void *end = data + len;
-	u8 i, count;
-	bool wake = false;
+	bool v3, wake = false;
+	u16 total, count = 0;
+	u32 txd = le32_to_cpu(free->txd);
+	u32 *cur_info;
 
 	/* clean DMA queues and unmap buffers first */
 	mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_PSD], false);

@@ -1403,12 +1405,14 @@ mt7915_mac_tx_free(struct mt7915_dev *dev, void *data, int len)
 	 * 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));
-	if (WARN_ON_ONCE((void *)&free->info[count] > end))
+	total = FIELD_GET(MT_TX_FREE_MSDU_CNT, le16_to_cpu(free->ctrl));
+	v3 = (FIELD_GET(MT_TX_FREE_VER, txd) == 0x4);
+	if (WARN_ON_ONCE((void *)&free->info[total >> v3] > end))
 		return;
 
-	for (i = 0; i < count; i++) {
-		u32 msdu, info = le32_to_cpu(free->info[i]);
+	for (cur_info = &free->info[0]; count < total; cur_info++) {
+		u32 msdu, info = le32_to_cpu(*cur_info);
+		u8 i;
 
 		/*
 		 * 1'b1: new wcid pair.

@@ -1419,7 +1423,6 @@ mt7915_mac_tx_free(struct mt7915_dev *dev, void *data, int len)
 			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);

@@ -1434,12 +1437,24 @@ mt7915_mac_tx_free(struct mt7915_dev *dev, void *data, int len)
 			continue;
 		}
 
-		msdu = FIELD_GET(MT_TX_FREE_MSDU_ID, info);
-		txwi = mt76_token_release(mdev, msdu, &wake);
-		if (!txwi)
+		if (v3 && (info & MT_TX_FREE_MPDU_HEADER))
 			continue;
 
-		mt7915_txwi_free(dev, txwi, sta, &free_list);
+		for (i = 0; i < 1 + v3; i++) {
+			if (v3) {
+				msdu = (info >> (15 * i)) & MT_TX_FREE_MSDU_ID_V3;
+				if (msdu == MT_TX_FREE_MSDU_ID_V3)
+					continue;
+			} else {
+				msdu = FIELD_GET(MT_TX_FREE_MSDU_ID, info);
+			}
+			count++;
+			txwi = mt76_token_release(mdev, msdu, &wake);
+			if (!txwi)
+				continue;
+
+			mt7915_txwi_free(dev, txwi, sta, &free_list);
+		}
 	}
 
 	mt7915_mac_sta_poll(dev);

index 7a2c740..4504ebc 100644
@@ -298,18 +298,20 @@ struct mt7915_txp {
 struct mt7915_tx_free {
 	__le16 rx_byte_cnt;
 	__le16 ctrl;
-	u8 txd_cnt;
-	u8 rsv[3];
+	__le32 txd;
 	__le32 info[];
 } __packed __aligned(4);
 
+#define MT_TX_FREE_VER			GENMASK(18, 16)
 #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)
+#define MT_TX_FREE_MPDU_HEADER		BIT(30)
+#define MT_TX_FREE_MSDU_ID_V3		GENMASK(14, 0)
+
 /* will support this field in further revision */
 #define MT_TX_FREE_RATE			GENMASK(13, 0)
 

index 8bc88db..7557429 100644
@@ -411,7 +411,8 @@ mt7915_mac_init_band(struct mt7915_dev *dev, u8 band)
 	mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set);
 
 	mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 0x680);
-	/* disable rx rate report by default due to hw issues */
+
+	/* mt7915: disable rx rate report by default due to hw issues */
 	mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN);
 }
 

221 lines not on this page · raw message

index 4504ebc..d79f0a5 100644
@@ -125,6 +125,12 @@ enum rx_pkt_type {
 #define MT_PRXV_RCPI2			GENMASK(23, 16)
 #define MT_PRXV_RCPI1			GENMASK(15, 8)
 #define MT_PRXV_RCPI0			GENMASK(7, 0)
+#define MT_PRXV_HT_SHORT_GI		GENMASK(16, 15)
+#define MT_PRXV_HT_STBC			GENMASK(23, 22)
+#define MT_PRXV_TX_MODE			GENMASK(27, 24)
+#define MT_PRXV_FRAME_MODE		GENMASK(14, 12)
+#define MT_PRXV_DCM			BIT(17)
+#define MT_PRXV_NUM_RX			BIT(20, 18)
 
 /* C-RXV */
 #define MT_CRXV_HT_STBC			GENMASK(1, 0)

index 8302fae..d2a7a4a 100644
@@ -1006,7 +1006,8 @@ static void mt7915_sta_statistics(struct ieee80211_hw *hw,
 	struct rate_info *txrate = &msta->wcid.rate;
 	struct rate_info rxrate = {};
 
-	if (!mt7915_mcu_get_rx_rate(phy, vif, sta, &rxrate)) {
+	if (is_mt7915(&phy->dev->mt76) &&
+	    !mt7915_mcu_get_rx_rate(phy, vif, sta, &rxrate)) {
 		sinfo->rxrate = rxrate;
 		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE);
 	}

index 6ea213b..d32fbf6 100644
@@ -3818,19 +3818,24 @@ int mt7915_mcu_apply_tx_dpd(struct mt7915_phy *phy)
 int mt7915_mcu_get_chan_mib_info(struct mt7915_phy *phy, bool chan_switch)
 {
 	/* strict order */
-	static const enum mt7915_chan_mib_offs offs[] = {
-		MIB_BUSY_TIME, MIB_TX_TIME, MIB_RX_TIME, MIB_OBSS_AIRTIME
+	static const u32 offs[] = {
+		MIB_BUSY_TIME, MIB_TX_TIME, MIB_RX_TIME, MIB_OBSS_AIRTIME,
+		MIB_BUSY_TIME_V2, MIB_TX_TIME_V2, MIB_RX_TIME_V2,
+		MIB_OBSS_AIRTIME_V2
 	};
 	struct mt76_channel_state *state = phy->mt76->chan_state;
 	struct mt76_channel_state *state_ts = &phy->state_ts;
 	struct mt7915_dev *dev = phy->dev;
 	struct mt7915_mcu_mib *res, req[4];
 	struct sk_buff *skb;
-	int i, ret;
+	int i, ret, start = 0;
+
+	if (!is_mt7915(&dev->mt76))
+		start = 4;
 
 	for (i = 0; i < 4; i++) {
 		req[i].band = cpu_to_le32(phy != &dev->phy);
-		req[i].offs = cpu_to_le32(offs[i]);
+		req[i].offs = cpu_to_le32(offs[i + start]);
 	}
 
 	ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_CMD(GET_MIB_INFO),

index 92268e6..c0cc592 100644
@@ -161,10 +161,16 @@ struct mt7915_mcu_mib {
 } __packed;
 
 enum mt7915_chan_mib_offs {
+	/* mt7915 */
 	MIB_BUSY_TIME = 14,
 	MIB_TX_TIME = 81,
 	MIB_RX_TIME,
-	MIB_OBSS_AIRTIME = 86
+	MIB_OBSS_AIRTIME = 86,
+	/* mt7916 */
+	MIB_BUSY_TIME_V2 = 0,
+	MIB_TX_TIME_V2 = 6,
+	MIB_RX_TIME_V2 = 8,
+	MIB_OBSS_AIRTIME_V2 = 490
 };
 
 struct edca {

index 40dcbeb..6aa749b 100644
@@ -35,6 +35,7 @@ static int mt7915_check_eeprom(struct mt7915_dev *dev)
 
 	switch (val) {
 	case 0x7915:
+	case 0x7916:
 		return 0;
 	default:
 		return -EINVAL;

@@ -52,6 +53,9 @@ mt7915_eeprom_load_default(struct mt7915_dev *dev)
 	if (dev->dbdc_support)
 		default_bin = MT7915_EEPROM_DEFAULT_DBDC;
 
+	if (!is_mt7915(&dev->mt76))
+		default_bin = MT7916_EEPROM_DEFAULT;
+
 	ret = request_firmware(&fw, default_bin, dev->mt76.dev);
 	if (ret)
 		return ret;

@@ -62,7 +66,7 @@ mt7915_eeprom_load_default(struct mt7915_dev *dev)
 		goto out;
 	}
 
-	memcpy(eeprom, fw->data, MT7915_EEPROM_SIZE);
+	memcpy(eeprom, fw->data, mt7915_eeprom_size(dev));
 	dev->flash_mode = true;
 
 out:

@@ -74,8 +78,9 @@ out:
 static int mt7915_eeprom_load(struct mt7915_dev *dev)
 {
 	int ret;
+	u16 eeprom_size = mt7915_eeprom_size(dev);
 
-	ret = mt76_eeprom_init(&dev->mt76, MT7915_EEPROM_SIZE);
+	ret = mt76_eeprom_init(&dev->mt76, eeprom_size);
 	if (ret < 0)
 		return ret;
 

@@ -91,7 +96,7 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev)
 			return -EINVAL;
 
 		/* read eeprom data from efuse */
-		block_num = DIV_ROUND_UP(MT7915_EEPROM_SIZE,
+		block_num = DIV_ROUND_UP(eeprom_size,
 					 MT7915_EEPROM_BLOCK_SIZE);
 		for (i = 0; i < block_num; i++)
 			mt7915_mcu_get_eeprom(dev,

index d32fbf6..3ca77ba 100644
@@ -3575,7 +3575,8 @@ static int mt7915_mcu_set_eeprom_flash(struct mt7915_dev *dev)
 #define PAGE_IDX_MASK		GENMASK(4, 2)
 #define PER_PAGE_SIZE		0x400
 	struct mt7915_mcu_eeprom req = { .buffer_mode = EE_MODE_BUFFER };
-	u8 total = DIV_ROUND_UP(MT7915_EEPROM_SIZE, PER_PAGE_SIZE);
+	u16 eeprom_size = mt7915_eeprom_size(dev);
+	u8 total = DIV_ROUND_UP(eeprom_size, PER_PAGE_SIZE);
 	u8 *eep = (u8 *)dev->mt76.eeprom.data;
 	int eep_len;
 	int i;

@@ -3584,8 +3585,8 @@ static int mt7915_mcu_set_eeprom_flash(struct mt7915_dev *dev)
 		struct sk_buff *skb;
 		int ret;
 
-		if (i == total - 1 && !!(MT7915_EEPROM_SIZE % PER_PAGE_SIZE))
-			eep_len = MT7915_EEPROM_SIZE % PER_PAGE_SIZE;
+		if (i == total - 1 && !!(eeprom_size % PER_PAGE_SIZE))
+			eep_len = eeprom_size % PER_PAGE_SIZE;
 		else
 			eep_len = PER_PAGE_SIZE;
 

index 0066776..f1c4636 100644
@@ -37,8 +37,11 @@
 
 #define MT7915_EEPROM_DEFAULT		"mediatek/mt7915_eeprom.bin"
 #define MT7915_EEPROM_DEFAULT_DBDC	"mediatek/mt7915_eeprom_dbdc.bin"
+#define MT7916_EEPROM_DEFAULT		"mediatek/mt7916_eeprom.bin"
 
 #define MT7915_EEPROM_SIZE		3584
+#define MT7916_EEPROM_SIZE		4096
+
 #define MT7915_EEPROM_BLOCK_SIZE	16
 #define MT7915_TOKEN_SIZE		8192
 

@@ -486,6 +489,11 @@ static inline u16 mt7915_wtbl_size(struct mt7915_dev *dev)
 	return is_mt7915(&dev->mt76) ? MT7915_WTBL_SIZE : MT7916_WTBL_SIZE;
 }
 
+static inline u16 mt7915_eeprom_size(struct mt7915_dev *dev)
+{
+	return is_mt7915(&dev->mt76) ? MT7915_EEPROM_SIZE : MT7916_EEPROM_SIZE;
+}
+
 void mt7915_dual_hif_set_irq_mask(struct mt7915_dev *dev, bool write_reg,
 				  u32 clear, u32 set);
 

index dfc975e..6500095 100644
@@ -406,7 +406,7 @@ static int mt7915_mmio_init(struct mt76_dev *mdev,
 	bus_ops->rmw = mt7915_rmw;
 	dev->mt76.bus = bus_ops;
 
-	mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
+	mdev->rev = (device_id << 16) |
 		    (mt76_rr(dev, MT_HW_REV) & 0xff);
 	dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
 

index 5d6adcd..92f4b58 100644
@@ -18,11 +18,13 @@ static u32 hif_idx;
 
 static const struct pci_device_id mt7915_pci_device_table[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7915) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7906) },
 	{ },
 };
 
 static const struct pci_device_id mt7915_hif_device_table[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7916) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x790a) },
 	{ },
 };
 

@@ -61,7 +63,8 @@ static void mt7915_put_hif2(struct mt7915_hif *hif)
 static struct mt7915_hif *mt7915_pci_init_hif2(struct pci_dev *pdev)
 {
 	hif_idx++;
-	if (!pci_get_device(PCI_VENDOR_ID_MEDIATEK, 0x7916, NULL))
+	if (!pci_get_device(PCI_VENDOR_ID_MEDIATEK, 0x7916, NULL) &&
+	    !pci_get_device(PCI_VENDOR_ID_MEDIATEK, 0x790a, NULL))
 		return NULL;
 
 	writel(hif_idx | MT_PCIE_RECOG_ID_SEM,

@@ -111,7 +114,7 @@ static int mt7915_pci_probe(struct pci_dev *pdev,
 
 	mt76_pci_disable_aspm(pdev);
 
-	if (id->device == 0x7916)
+	if (id->device == 0x7916 || id->device == 0x790a)
 		return mt7915_pci_hif2_probe(pdev);
 
 	ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);

index 1168a62..aa19e59 100644
@@ -741,7 +741,6 @@ enum offs_rev {
 #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_WF_SUBSYS_RST		0x70002600