diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2022-05-03 02:54:05 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-05-03 08:32:02 +0300 |
| commit | 30052c5a1c997da1c2523336b59d9a5eeb1905c9 (patch) | |
| tree | dd67771cd7d1827d8da888f9aafac09d2831ba2f /drivers/net/wireless/realtek/rtw89 | |
| parent | e5efc4d55c20beea57683b3c94f0e1c4e254c9c9 (diff) | |
| download | linux-30052c5a1c997da1c2523336b59d9a5eeb1905c9.tar.xz | |
rtw89: 8852c: rfk: add RCK
RCK is synchronize RC calibration. It needs to be triggered only 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/20220502235408.15052-6-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/rtw8852c.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c | 43 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.h | 1 |
3 files changed, 45 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c index 36406488e60e..6db61e6df1ff 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c @@ -1777,6 +1777,7 @@ static void rtw8852c_rfk_init(struct rtw89_dev *rtwdev) memset(mcc_info, 0, sizeof(*mcc_info)); rtw8852c_lck_init(rtwdev); + rtw8852c_rck(rtwdev); rtw8852c_dack(rtwdev); } diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c index 974bb5794ad9..4025245cd7e6 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c @@ -470,6 +470,41 @@ static void _dac_cal(struct rtw89_dev *rtwdev, bool force) rtw89_debug(rtwdev, RTW89_DBG_RFK, "[DACK]DACK finish!!!\n"); } +static void _rck(struct rtw89_dev *rtwdev, enum rtw89_rf_path path) +{ + u32 rf_reg5, rck_val = 0; + 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%x\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, 20, + false, rtwdev, path, 0x1c, BIT(3)); + if (ret) + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RCK] RCK timeout\n"); + + rck_val = rtw89_read_rf(rtwdev, path, RR_RCKC, RR_RCKC_CA); + 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 / 0x1c = 0x%x / 0x%x\n", + rtw89_read_rf(rtwdev, path, RR_RCKC, RFREG_MASK), + rtw89_read_rf(rtwdev, path, RR_RCKS, RFREG_MASK)); +} + static void _tssi_set_sys(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy, enum rtw89_rf_path path) { @@ -1619,6 +1654,14 @@ void rtw8852c_set_channel_rf(struct rtw89_dev *rtwdev, param->bandwidth); } +void rtw8852c_rck(struct rtw89_dev *rtwdev) +{ + u8 path; + + for (path = 0; path < 2; path++) + _rck(rtwdev, path); +} + void rtw8852c_dack(struct rtw89_dev *rtwdev) { u8 phy_map = rtw89_btc_phymap(rtwdev, RTW89_PHY_0, 0); diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.h b/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.h index a16ad9305ba4..faacdf17a928 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.h +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.h @@ -7,6 +7,7 @@ #include "core.h" +void rtw8852c_rck(struct rtw89_dev *rtwdev); void rtw8852c_dack(struct rtw89_dev *rtwdev); void rtw8852c_tssi(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy); void rtw8852c_tssi_scan(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy); |