From: Ping-Ke Shih Date: Thu, 21 Apr 2022 12:09:01 +0000 (+0800) Subject: rtw89: 8852c: implement chip_ops::get_thermal X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3ecca403d9bf714be570ca2a31569485618c9da0;p=linux.git rtw89: 8852c: implement chip_ops::get_thermal Read thermal value, and then we can use EWMA thermal value to do RF calibrations if the value is changed over a threshold. Signed-off-by: Ping-Ke Shih Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20220421120903.73715-13-pkshih@realtek.com --- diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c index adcc2b597419d..daf467eaef665 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c @@ -2327,6 +2327,17 @@ static void rtw8852c_bb_cfg_txrx_path(struct rtw89_dev *rtwdev) rtw8852c_ctrl_tx_path_tmac(rtwdev, RF_PATH_AB, RTW89_MAC_0); } +static u8 rtw8852c_get_thermal(struct rtw89_dev *rtwdev, enum rtw89_rf_path rf_path) +{ + rtw89_write_rf(rtwdev, rf_path, RR_TM, RR_TM_TRI, 0x1); + rtw89_write_rf(rtwdev, rf_path, RR_TM, RR_TM_TRI, 0x0); + rtw89_write_rf(rtwdev, rf_path, RR_TM, RR_TM_TRI, 0x1); + + fsleep(200); + + return rtw89_read_rf(rtwdev, rf_path, RR_TM, RR_TM_VAL); +} + static void rtw8852c_ctrl_btg(struct rtw89_dev *rtwdev, bool btg) { if (btg) { @@ -2487,6 +2498,7 @@ static const struct rtw89_chip_ops rtw8852c_chip_ops = { .set_txpwr = rtw8852c_set_txpwr, .set_txpwr_ctrl = rtw8852c_set_txpwr_ctrl, .init_txpwr_unit = rtw8852c_init_txpwr_unit, + .get_thermal = rtw8852c_get_thermal, .read_rf = rtw89_phy_read_rf_v1, .write_rf = rtw89_phy_write_rf_v1, .set_txpwr_ul_tb_offset = rtw8852c_set_txpwr_ul_tb_offset,