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rtw89: 8852c: rfk: add RCK

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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
This commit is contained in:
Ping-Ke Shih 2022-05-03 07:54:05 +08:00 committed by Kalle Valo
parent e5efc4d55c
commit 30052c5a1c
3 changed files with 45 additions and 0 deletions
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1
drivers/net/wireless/realtek/rtw89/rtw8852c.c
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@ -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);
}

43
drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c
View File

@ -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);

1
drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.h
View File

@ -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);