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wifi: mt76: mt7921: introduce mt7920 PCIe support

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mt7920e is a mt7921 series chipset with 802.11ax 2x2:2SS support.
The major difference is in firmware side only, at this moment.
This patch would add some mandatory changes for new chip id and
firmware download control.

Signed-off-by: Deren Wu <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Deren Wu
2024-04-03 12:39:12 +02:00
committed by Felix Fietkau
parent b108dda7e2
commit 5b7616491f
3 changed files with 22 additions and 3 deletions
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mt7921/pci.c
+9 -2
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@@ -24,6 +24,8 @@ static const struct pci_device_id mt7921_pci_device_table[] = {
.driver_data = (kernel_ulong_t)MT7921_FIRMWARE_WM },
{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0616),
.driver_data = (kernel_ulong_t)MT7922_FIRMWARE_WM },
{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7920),
.driver_data = (kernel_ulong_t)MT7920_FIRMWARE_WM },
{ },
};
@@ -269,9 +271,9 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
struct mt76_bus_ops *bus_ops;
struct mt792x_dev *dev;
struct mt76_dev *mdev;
u16 cmd, chipid;
u8 features;
int ret;
u16 cmd;
ret = pcim_enable_device(pdev);
if (ret)
@@ -345,7 +347,10 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
if (ret)
goto err_free_dev;
mdev->rev = (mt7921_l1_rr(dev, MT_HW_CHIPID) << 16) |
chipid = mt7921_l1_rr(dev, MT_HW_CHIPID);
if (chipid == 0x7961 && (mt7921_l1_rr(dev, MT_HW_BOUND) & BIT(7)))
chipid = 0x7920;
mdev->rev = (chipid << 16) |
(mt7921_l1_rr(dev, MT_HW_REV) & 0xff);
dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
@@ -551,6 +556,8 @@ static struct pci_driver mt7921_pci_driver = {
module_pci_driver(mt7921_pci_driver);
MODULE_DEVICE_TABLE(pci, mt7921_pci_device_table);
MODULE_FIRMWARE(MT7920_FIRMWARE_WM);
MODULE_FIRMWARE(MT7920_ROM_PATCH);
MODULE_FIRMWARE(MT7921_FIRMWARE_WM);
MODULE_FIRMWARE(MT7921_ROM_PATCH);
MODULE_FIRMWARE(MT7922_FIRMWARE_WM);