mt76: mt7915: add device id for mt7916

Add pci_device_id to enable mt7916. Note that MT_HW_CHIPID is no
longer used for further chips, so drop it accordingly.
Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Co-developed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Bo Jiao <Bo.Jiao@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7915/mmio.c

@@ -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);
 

drivers/net/wireless/mediatek/mt76/mt7915/pci.c

@@ -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);

drivers/net/wireless/mediatek/mt76/mt7915/regs.h

@@ -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