diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2022-10-12 16:32:31 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-10-19 08:56:12 +0300 |
| commit | 10298b53bff642e586e5b82616914c9fa3d9a906 (patch) | |
| tree | a8007ab844d957b1b88737926590b3ffff0b4fba /drivers/net/wireless/realtek | |
| parent | 16be5e3be0e5794b5e7227c63b440f3fdb9c22ce (diff) | |
wifi: rtw89: 8852b: 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/20221012083234.20224-3-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c | 43 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h | 1 |
2 files changed, 44 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c index 5c35f4fb38ff..1dcb900ef700 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c @@ -32,6 +32,41 @@ static u8 _kpath(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx) return val; } +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)); +} + static void _afe_init(struct rtw89_dev *rtwdev) { rtw89_write32(rtwdev, R_AX_PHYREG_SET, 0xf); @@ -453,6 +488,14 @@ static void _dac_cal(struct rtw89_dev *rtwdev, bool force) rtw89_debug(rtwdev, RTW89_DBG_RFK, "[DACK]DACK finish!!!\n"); } +void rtw8852b_rck(struct rtw89_dev *rtwdev) +{ + u8 path; + + for (path = 0; path < RF_PATH_NUM_8852B; path++) + _rck(rtwdev, path); +} + void rtw8852b_dack(struct rtw89_dev *rtwdev) { u8 phy_map = rtw89_btc_phymap(rtwdev, RTW89_PHY_0, 0); diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h index bc2ff7380b92..84325abc7f2c 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h +++ b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h @@ -7,6 +7,7 @@ #include "core.h" +void rtw8852b_rck(struct rtw89_dev *rtwdev); void rtw8852b_dack(struct rtw89_dev *rtwdev); void rtw8852b_set_channel_rf(struct rtw89_dev *rtwdev, const struct rtw89_chan *chan, |