The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/dev/rtw88fw/README

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    1 
    2  rtw88 firmware
    3 ================
    4 
    5 This repository contains firmware images supported by Realtek's wireless
    6 driver rtw88. And some of the devices run with more than one firmware
    7 file. Basically, a "normal" firmware is necessary to be downloaded to
    8 the device.
    9 And another is called "wowlan" firmware, it should be loaded when a
   10 device is going to suspend. Which means driver will "re-download/swap"
   11 the firmware image. The wowlan firmware contains wake up functions that
   12 can recognize specific events and send a wake up signal to device if
   13 needed, and the system will resume to running state. During resume,
   14 driver will then swap the normal firmware back, return to running state.
   15 
   16 If any distros or platforms do not require wowlan feature, they can
   17 _only_ pick the normal firmware. And everything still works fine,
   18 except that the device cannot be waken from the wireless NICs.
   19 
   20 Currently supported devices with corresponding firmwares:
   21 
   22 RTL8822BE
   23     rtw8822b_fw.bin
   24 
   25 RTL8821CE
   26     rtw8821c_fw.bin
   27 
   28 RTL8822CE
   29     rtw8822c_fw.bin
   30     rtw8822c_wow_fw.bin
   31 
   32 RTL8723DE
   33     rtw8723d_fw.bin
   34

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