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@xxxxxxxxxxx>
---
.../net/wireless/realtek/rtw89/rtw8852b_rfk.c | 43 +++++++++++++++++++
.../net/wireless/realtek/rtw89/rtw8852b_rfk.h | 1 +
2 files changed, 44 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c
index 5c35f4fb38ff5..1dcb900ef7007 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 bc2ff7380b927..84325abc7f2c2 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,
--
2.25.1
