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wifi: rtw89: 8852b: rfk: add RCK

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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
This commit is contained in:
Ping-Ke Shih 2022-10-12 16:32:31 +08:00 committed by Kalle Valo
parent 16be5e3be0
commit 10298b53bf
2 changed files with 44 additions and 0 deletions
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43
drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c
View File

@ -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);

1
drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h
View File

@ -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,