R_FC0
rtw89_phy_write32_idx(rtwdev, R_FC0, B_FC0, central_freq, phy_idx);
rtw89_phy_write32_idx(rtwdev, R_FC0, B_BW40_2XFFT, 1, phy_idx);
rtw89_phy_write32_idx(rtwdev, R_FC0, B_BW40_2XFFT, 0, phy_idx);