wifi: rtw89: coex: Add BTC report version 8 support for BT sub-reports

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RTL8922A (FW >= 0.35.111) and RTL8922D (FW >= 0.35.94) set fcxbtver,
fcxbtscan and fcxbtafh to 8, but the handler in _chk_btc_report only
had branches for version 1 and 7.  When version 8 arrived pfinfo was
left NULL and pcinfo->req_len was left at zero, so the length check at
validation stage rejected the report and bt->ver_info.fw was never
written, causing BT_FW:0x0 in the BTC dump.

BT-scan and BT-afh version 8 hit the goto err path for the same reason,
making all BT sub-reports silently broken on these chips.

The structural change in version 8 is that the previously reserved
second byte in each struct is now bt_id (0 = BT0, 1 = BT1), allowing
firmware to send separate reports for each Bluetooth device. All three
structs are otherwise layout-compatible with version 7.

Add rtw89_btc_fbtc_btver_v8, rtw89_btc_fbtc_btscan_v8 and
rtw89_btc_fbtc_btafh_v8 structs with the bt_id field, extend the
corresponding unions, add version 8 branches to _chk_btc_report, and
update _update_bt_report to route each report to BT0 or BT1 according
to BT ID.

Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260724135640.3195044-11-pkshih@realtek.com

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This commit is contained in:

Ching-Te Ku 2026-07-24 21:56:36 +08:00 • committed by Ping-Ke Shih

parent b23378a564

commit 068daf7086

2 changed files with 85 additions and 1 deletions

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52

drivers/net/wireless/realtek/rtw89/coex.c

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34

drivers/net/wireless/realtek/rtw89/core.h

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