Commit 1de97cd3 authored by Ping-Ke Shih's avatar Ping-Ke Shih Committed by Kalle Valo
Browse files

wifi: rtw89: 8922a: add chip_ops to get thermal value 



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: default avatarPing-Ke Shih <pkshih@realtek.com>
Signed-off-by: default avatarKalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240124033802.12508-1-pkshih@realtek.com
parent 88d1f9b2

drivers/net/wireless/realtek/rtw89/reg.h

+1 −0
Original line number Diff line number Diff line
@@ -7468,6 +7468,7 @@ 
#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)

drivers/net/wireless/realtek/rtw89/rtw8922a.c

+22 −0
Original line number Diff line number Diff line
@@ -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,