[PATCH 06/20] wifi: mt76: connac2: add per-chip PCIe register definitions

JB Tsai jb.tsai at mediatek.com
Fri Jun 12 00:51:32 PDT 2026


From: Emery Hsin <emery.hsin at mediatek.com>

Add MT_PCIE_MAC_{INT_ENABLE,PM} definitions to mt7921/regs.h and
wire up mt7921_pcie_reg in mt7921_pci_probe() to provide connac2
series chips with their own PCIe register definitions.

This is a preparation patch before enabling MT7928 PCIe support.

Signed-off-by: Xiong <xiong.huang at mediatek.com>
Signed-off-by: Emery Hsin <emery.hsin at mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7921/pci.c  | 5 +++++
 drivers/net/wireless/mediatek/mt76/mt7921/regs.h | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
index 067f6b4142b6..a93cdc1f1c93 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
@@ -285,6 +285,10 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
 		.drv_own = mt792xe_mcu_drv_pmctrl,
 		.fw_own = mt792xe_mcu_fw_pmctrl,
 	};
+	static const struct mt792x_pcie_reg mt7921_pcie_reg = {
+		.imask = MT_PCIE_MAC_INT_ENABLE,
+		.pm = MT_PCIE_MAC_PM,
+	};
 	static const struct mt792x_irq_map irq_map = {
 		.host_irq_enable = MT_WFDMA0_HOST_INT_ENA,
 		.tx = {
@@ -354,6 +358,7 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
 
 	dev->fw_features = features;
 	dev->hif_ops = &mt7921_pcie_ops;
+	dev->pcie_reg = &mt7921_pcie_reg;
 	dev->irq_map = &irq_map;
 	mt76_mmio_init(&dev->mt76, regs);
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h
index 4d9eaf1e0692..75b4e81c7224 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h
@@ -78,4 +78,9 @@
 #define MT_WTBL_UPDATE_WLAN_IDX		GENMASK(9, 0)
 #define MT_WTBL_UPDATE_ADM_COUNT_CLEAR	BIT(12)
 
+#define MT_PCIE_MAC_BASE		0x10000
+#define MT_PCIE_MAC(ofs)		(MT_PCIE_MAC_BASE + (ofs))
+#define MT_PCIE_MAC_INT_ENABLE		MT_PCIE_MAC(0x188)
+#define MT_PCIE_MAC_PM			MT_PCIE_MAC(0x194)
+
 #endif
-- 
2.45.2




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