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/rtw8851b_rfk.c | 40 +++++++++++++++++++
.../net/wireless/realtek/rtw89/rtw8851b_rfk.h | 1 +
2 files changed, 41 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.c
index 471ed1a634765..7f454f68d08d8 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 cd38d9ed1ff39..9f67a8c3b9d90 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);
--
2.25.1
