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wifi: rtw89: regd: handle policy of 6 GHz according to BIOS

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According to BIOS configuration of Realtek ACPI DSM function 4,
RTW89_ACPI_DSM_FUNC_6G_BP, we handle the regd policy of 6 GHz.

Policy defines two modes as below.
1. `BLOCK` mode:
    The countries in configured list are blocked.
2. `ALLOW` mode:
    _Only_ the countries in configured list are allowed.
    (i.e. others are all blocked.)

Then, when receiving regulatory notification at runtime, if 6 GHz
is blocked on the country, 6 GHz channels will be disabled.

Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20231114091359.50664-3-pkshih@realtek.com
This commit is contained in:
Zong-Zhe Yang 2023-11-14 17:13:58 +08:00 • committed by Kalle Valo
commit b2774a916a
2 changed files with 160 additions and 2 deletions
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