mirror of
https://github.com/shenmintao/aic8800d80.git
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125 lines
3.6 KiB
Markdown
125 lines
3.6 KiB
Markdown
# AIC8800D80 Linux Driver
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This driver is for the AIC8800D80 chipset, supported by devices such as the Tenda U11 and AX913B.
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> [!IMPORTANT]
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> **Choose the branch for your hardware revision before installing.** If the
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> driver log reports `chip_id=7, chip_mcu_id=1` on an AIC8800D80 or
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> AIC8800DC/DW device, use the
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> [`legacy-mcu1`](https://github.com/shenmintao/aic8800d80/tree/legacy-mcu1)
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> branch. It contains the matched legacy firmware and loader profile required
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> to avoid the deterministic firmware upload timeout at `0x170400`. Use
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> `main` when `chip_mcu_id=0` or when the MCU revision is unknown.
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>
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> Hardware revision takes precedence over the separate Bluetooth branch. MCU1
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> devices should remain on `legacy-mcu1`, which initializes Bluetooth for the
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> kernel's standard `btusb` driver. After switching branches, rerun
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> `sudo ./install.sh` and reboot; switching the Git branch alone does not
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> replace the firmware already installed under `/lib/firmware`.
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Added support for devices with Vendor ID 368B (tested).
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Tested on Linux kernel 6.16 with Ubuntu 25.04 and 6.1.0.27 with Debian 12.
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> [!NOTE]
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> **Bluetooth branch retirement:** The separate
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> [`bluetooth`](https://github.com/shenmintao/aic8800d80/tree/bluetooth) branch
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> is deprecated and is being kept only during the migration period. Wi-Fi and
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> standard-`btusb` Bluetooth support are being consolidated into `main` in
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> [PR #73](https://github.com/shenmintao/aic8800d80/pull/73). After hardware
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> validation and promotion, the `bluetooth` branch will be removed. Existing
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> users may remain on it temporarily; new validation should use
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> `test/unified-wifi-bt-zlp`. MCU1 hardware must use `legacy-mcu1`, not the
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> separate `bluetooth` branch.
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### Disclaimer
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I did not develop this software, The code is sourced from the Tenda U11 driver. I only made some modifications to the code to adapt it to newer kernel versions. Apart from compilation issues, I am unable to address other problems.
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### Attention
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Before installing the driver, delete all aic8800-related folders under /lib/firmware. Using an incorrect firmware version may cause the system to freeze.
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### Installation Steps
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#### Method 1: [Quick Installation](INSTALL_SCRIPT.md) (Recommended)
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#### Method 2: Manual Installation
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#### Copy udev rules:
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Copy the aic.rules file to /lib/udev/rules.d/:
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```bash
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sudo cp aic.rules /lib/udev/rules.d/
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```
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#### Copy firmware:
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Copy the aic8800D80 folder from ./fw to /lib/firmware/:
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```bash
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sudo cp -r ./fw/aic8800D80 /lib/firmware/
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```
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#### Navigate to the driver directory:
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Change to the drivers/aic8800 directory:
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```bash
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cd ./drivers/aic8800
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```
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#### Compile and Install the Driver:
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First, compile the driver:
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```bash
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make
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```
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Then, install the driver:
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```bash
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sudo make install
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```
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For any kernel updates, you'll need to reinstall the driver:
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```bash
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make clean
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make
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sudo make install
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```
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### Load the Driver
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After installation, load the driver with the following command:
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```bash
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sudo modprobe aic8800_fdrv
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```
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### Verify the Module is Active
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Check if the module is loaded correctly:
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```bash
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lsmod | grep aic
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```
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You should see output similar to:
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```bash
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aic8800_fdrv 536576 0
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cfg80211 1146880 1 aic8800_fdrv
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aic_load_fw 69632 1 aic8800_fdrv
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usbcore 348160 10 xhci_hcd,ehci_pci,usbhid,usb_storage,ehci_hcd,xhci_pci,uas,aic_load_fw,uhci_hcd,aic8800_fdrv
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```
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After that, plug in your USB wireless network card.
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### Verify Wi-Fi Device is Active
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To check if the Wi-Fi interface is recognized, run:
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```bash
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iwconfig
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```
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If the device is still not active, check the kernel logs for any errors related to the driver:
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```bash
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sudo dmesg
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```
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