Commit 3ecca403 authored by Ping-Ke Shih's avatar Ping-Ke Shih Committed by Kalle Valo
Browse files

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: default avatarPing-Ke Shih <pkshih@realtek.com>
Signed-off-by: default avatarKalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220421120903.73715-13-pkshih@realtek.com
parent af0cac15

drivers/net/wireless/realtek/rtw89/rtw8852c.c

+12 −0
Original line number Diff line number Diff line
@@ -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,