diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2023-04-24 14:52:40 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2023-05-05 15:01:02 +0300 |
| commit | ae546f0a23904761edeee1a154b94fb38b6195c0 (patch) | |
| tree | 76b67ce3dbbef18a30bbacd1c65affbe404befab /drivers/net/wireless/realtek | |
| parent | 27d5559fd169676496c65a1d07678115c90dfd34 (diff) | |
wifi: rtw89: 8851b: rfk: add RCK
RCK is synchronize RC calibration. Driver triggers this calibration and
sets the result to register. This calibration is needed once when interface
is going to up.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230424065242.17477-4-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.c | 40 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.h | 1 |
2 files changed, 41 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.c index 471ed1a63476..7f454f68d08d 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.c @@ -17,6 +17,41 @@ static u8 _kpath(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx) return RF_A; } +static void _rck(struct rtw89_dev *rtwdev, enum rtw89_rf_path path) +{ + u32 rf_reg5; + u32 rck_val; + u32 val; + int ret; + + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RCK] ====== S%d RCK ======\n", path); + + rf_reg5 = rtw89_read_rf(rtwdev, path, RR_RSV1, RFREG_MASK); + + rtw89_write_rf(rtwdev, path, RR_RSV1, RR_RSV1_RST, 0x0); + rtw89_write_rf(rtwdev, path, RR_MOD, RR_MOD_MASK, RR_MOD_V_RX); + + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RCK] RF0x00 = 0x%05x\n", + rtw89_read_rf(rtwdev, path, RR_MOD, RFREG_MASK)); + + /* RCK trigger */ + rtw89_write_rf(rtwdev, path, RR_RCKC, RFREG_MASK, 0x00240); + + ret = read_poll_timeout_atomic(rtw89_read_rf, val, val, 2, 30, + false, rtwdev, path, RR_RCKS, BIT(3)); + + rck_val = rtw89_read_rf(rtwdev, path, RR_RCKC, RR_RCKC_CA); + + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RCK] rck_val = 0x%x, ret = %d\n", + rck_val, ret); + + rtw89_write_rf(rtwdev, path, RR_RCKC, RFREG_MASK, rck_val); + rtw89_write_rf(rtwdev, path, RR_RSV1, RFREG_MASK, rf_reg5); + + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RCK] RF 0x1b = 0x%x\n", + rtw89_read_rf(rtwdev, path, RR_RCKC, RFREG_MASK)); +} + void rtw8851b_aack(struct rtw89_dev *rtwdev) { u32 tmp05, ib[4]; @@ -59,6 +94,11 @@ void rtw8851b_aack(struct rtw89_dev *rtwdev) rtw89_write_rf(rtwdev, RF_PATH_A, RR_RSV1, RFREG_MASK, tmp05); } +void rtw8851b_rck(struct rtw89_dev *rtwdev) +{ + _rck(rtwdev, RF_PATH_A); +} + static void _bw_setting(struct rtw89_dev *rtwdev, enum rtw89_rf_path path, enum rtw89_bandwidth bw, bool dav) { diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.h b/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.h index cd38d9ed1ff3..9f67a8c3b9d9 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.h +++ b/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.h @@ -8,6 +8,7 @@ #include "core.h" void rtw8851b_aack(struct rtw89_dev *rtwdev); +void rtw8851b_rck(struct rtw89_dev *rtwdev); void rtw8851b_set_channel_rf(struct rtw89_dev *rtwdev, const struct rtw89_chan *chan, enum rtw89_phy_idx phy_idx); |