wifi: rtw89: 8851b: rfk: add TSSI

TSSI is transmitter signal strength indication, which is a close-loop
hardware circuit to feedback actual transmitting power as a reference for
next transmission.

When we setup channel to connect an AP, it does full calibration. When
switching bands or channels, it needs to reset hardware status to prevent
use wrong feedback of previous transmission.

To do TX power compensation reflecting current temperature, it loads tables
of compensation values into registers according to channel and band group.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230513054425.9689-4-pkshih@realtek.com

drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.h

@@ -15,6 +15,10 @@ void rtw8851b_rx_dck(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx);
 void rtw8851b_dpk_init(struct rtw89_dev *rtwdev);
 void rtw8851b_dpk(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy);
 void rtw8851b_dpk_track(struct rtw89_dev *rtwdev);
+void rtw8851b_tssi(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy, bool hwtx_en);
+void rtw8851b_tssi_scan(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy);
+void rtw8851b_wifi_scan_notify(struct rtw89_dev *rtwdev, bool scan_start,
+			       enum rtw89_phy_idx phy_idx);
 void rtw8851b_set_channel_rf(struct rtw89_dev *rtwdev,
 			     const struct rtw89_chan *chan,
 			     enum rtw89_phy_idx phy_idx);