Thermal value reflects temperature that will affect RF performance, so
we re-calibrate RF characteristics if delta of thermal over a threshold.
Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
---
drivers/net/wireless/realtek/rtw89/rtw8852b.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
index f13c657f4d68d..09374b92f6617 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
@@ -1397,6 +1397,23 @@ rtw8852b_init_txpwr_unit(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx)
return 0;
}
+static u8 rtw8852b_get_thermal(struct rtw89_dev *rtwdev, enum rtw89_rf_path rf_path)
+{
+ if (rtwdev->is_tssi_mode[rf_path]) {
+ u32 addr = 0x1c10 + (rf_path << 13);
+
+ return rtw89_phy_read32_mask(rtwdev, addr, 0x3F000000);
+ }
+
+ 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 int rtw8852b_mac_enable_bb_rf(struct rtw89_dev *rtwdev)
{
int ret;
@@ -1463,6 +1480,7 @@ static const struct rtw89_chip_ops rtw8852b_chip_ops = {
.set_txpwr = rtw8852b_set_txpwr,
.set_txpwr_ctrl = rtw8852b_set_txpwr_ctrl,
.init_txpwr_unit = rtw8852b_init_txpwr_unit,
+ .get_thermal = rtw8852b_get_thermal,
.pwr_on_func = rtw8852b_pwr_on_func,
.pwr_off_func = rtw8852b_pwr_off_func,
};
--
2.25.1
