Get thermal value as a clue to do RF calibration if the delta is larger
than a threshold, but 8922A doesn't need this, so we only read out the
value when debugging to reduce IO.
Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
---
drivers/net/wireless/realtek/rtw89/reg.h | 1 +
drivers/net/wireless/realtek/rtw89/rtw8922a.c | 22 +++++++++++++++++++
2 files changed, 23 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h
index 6b15fa431b22..53061801fa4c 100644
--- a/drivers/net/wireless/realtek/rtw89/reg.h
+++ b/drivers/net/wireless/realtek/rtw89/reg.h
@@ -7465,6 +7465,7 @@
#define RR_LUTWD0_LB GENMASK(5, 0)
#define RR_TM 0x42
#define RR_TM_TRI BIT(19)
+#define RR_TM_VAL_V1 GENMASK(7, 0)
#define RR_TM_VAL GENMASK(6, 1)
#define RR_TM2 0x43
#define RR_TM2_OFF GENMASK(19, 16)
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8922a.c b/drivers/net/wireless/realtek/rtw89/rtw8922a.c
index 1c5ceb5564c3..6de3c0f8d83a 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8922a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8922a.c
@@ -1528,6 +1528,27 @@ static void rtw8922a_bb_cfg_txrx_path(struct rtw89_dev *rtwdev)
&tx_en0, false);
}
+static u8 rtw8922a_get_thermal(struct rtw89_dev *rtwdev, enum rtw89_rf_path rf_path)
+{
+ struct rtw89_power_trim_info *info = &rtwdev->pwr_trim;
+ int th;
+
+ /* read thermal only if debugging */
+ if (!rtw89_debug_is_enabled(rtwdev, RTW89_DBG_CFO | RTW89_DBG_RFK_TRACK))
+ return 80;
+
+ 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);
+
+ th = rtw89_read_rf(rtwdev, rf_path, RR_TM, RR_TM_VAL_V1);
+ th += (s8)info->thermal_trim[rf_path];
+
+ return clamp_t(int, th, 0, U8_MAX);
+}
+
static void rtw8922a_fill_freq_with_ppdu(struct rtw89_dev *rtwdev,
struct rtw89_rx_phy_ppdu *phy_ppdu,
struct ieee80211_rx_status *status)
@@ -1603,6 +1624,7 @@ static const struct rtw89_chip_ops rtw8922a_chip_ops = {
.set_txpwr = rtw8922a_set_txpwr,
.set_txpwr_ctrl = rtw8922a_set_txpwr_ctrl,
.init_txpwr_unit = NULL,
+ .get_thermal = rtw8922a_get_thermal,
.ctrl_btg_bt_rx = rtw8922a_ctrl_btg_bt_rx,
.query_ppdu = rtw8922a_query_ppdu,
.ctrl_nbtg_bt_tx = rtw8922a_ctrl_nbtg_bt_tx,
--
2.25.1
