diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2022-10-09 15:53:58 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-10-12 07:34:56 +0300 |
| commit | 8f88474ce3eca2dd8fb4e08d4b6ab71e76312e3e (patch) | |
| tree | 26387e0ad4a6b9c28ab28235eab9a569bdd44c29 | |
| parent | a804479839e1cf502a76c407f3e07135ddbe5032 (diff) | |
| download | linux-8f88474ce3eca2dd8fb4e08d4b6ab71e76312e3e.tar.xz | |
wifi: rtw89: 8852b: add chip_ops to get thermal
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@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221009125403.19662-5-pkshih@realtek.com
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/rtw8852b.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c index f13c657f4d68..09374b92f661 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, }; |