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

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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@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240124033802.12508-1-pkshih@realtek.com
This commit is contained in:
Ping-Ke Shih 2024-01-24 11:38:02 +08:00 committed by Kalle Valo
parent 88d1f9b22f
commit 1de97cd362
2 changed files with 23 additions and 0 deletions
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1
drivers/net/wireless/realtek/rtw89/reg.h
View File

@ -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)

22
drivers/net/wireless/realtek/rtw89/rtw8922a.c
View File

@ -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,