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This driver named rtw89, which is the next generation of rtw88, supports Realtek 8852AE 802.11ax 2x2 chip whose new features are OFDMA, DBCC, Spatial reuse, TWT and BSS coloring; now some of them aren't implemented though. The chip architecture is entirely different from the chips supported by rtw88 like RTL8822CE 802.11ac chip. First of all, register address ranges are totally redefined, so it's impossible to reuse register definition. To communicate with firmware, new H2C/C2H format is proposed. In order to have better utilization, TX DMA flow is changed to two stages DMA. To provide rich RX status information, additional RX PPDU packets are added. Since there are so many differences mentioned above, we decide to propose a new driver. It has many authors, they are listed in alphabetic order: Chin-Yen Lee <timlee@realtek.com> Ping-Ke Shih <pkshih@realtek.com> Po Hao Huang <phhuang@realtek.com> Tzu-En Huang <tehuang@realtek.com> Vincent Fann <vincent_fann@realtek.com> Yan-Hsuan Chuang <tony0620emma@gmail.com> Zong-Zhe Yang <kevin_yang@realtek.com> Tested-by: Aaron Ma <aaron.ma@canonical.com> Tested-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20211008035627.19463-1-pkshih@realtek.com
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Ping-Ke Shih
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Kalle Valo
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Oct 13, 2021
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# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause | ||
menuconfig RTW89 | ||
tristate "Realtek 802.11ax wireless chips support" | ||
depends on MAC80211 | ||
help | ||
This module adds support for mac80211-based wireless drivers that | ||
enables Realtek IEEE 802.11ax wireless chipsets. | ||
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If you choose to build a module, it'll be called rtw89. | ||
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if RTW89 | ||
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config RTW89_CORE | ||
tristate | ||
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config RTW89_PCI | ||
tristate | ||
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config RTW89_8852AE | ||
tristate "Realtek 8852AE PCI wireless network adapter" | ||
depends on PCI | ||
select RTW89_CORE | ||
select RTW89_PCI | ||
help | ||
Select this option will enable support for 8852AE chipset | ||
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802.11ax PCIe wireless network adapter | ||
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config RTW89_DEBUG | ||
bool | ||
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config RTW89_DEBUGMSG | ||
bool "Realtek rtw89 debug message support" | ||
depends on RTW89_CORE | ||
select RTW89_DEBUG | ||
help | ||
Enable debug message support | ||
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If unsure, say Y to simplify debug problems | ||
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config RTW89_DEBUGFS | ||
bool "Realtek rtw89 debugfs support" | ||
depends on RTW89_CORE | ||
select RTW89_DEBUG | ||
help | ||
Enable debugfs support | ||
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If unsure, say Y to simplify debug problems | ||
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endif |
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# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause | ||
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obj-$(CONFIG_RTW89_CORE) += rtw89_core.o | ||
rtw89_core-y += core.o \ | ||
mac80211.o \ | ||
mac.o \ | ||
phy.o \ | ||
fw.o \ | ||
rtw8852a.o \ | ||
rtw8852a_table.o \ | ||
rtw8852a_rfk.o \ | ||
rtw8852a_rfk_table.o \ | ||
cam.o \ | ||
efuse.o \ | ||
regd.o \ | ||
sar.o \ | ||
coex.o \ | ||
ps.o \ | ||
ser.o | ||
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rtw89_core-$(CONFIG_RTW89_DEBUG) += debug.o | ||
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obj-$(CONFIG_RTW89_PCI) += rtw89_pci.o | ||
rtw89_pci-y := pci.o | ||
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