Commit 10298b53 authored by Ping-Ke Shih's avatar Ping-Ke Shih Committed by Kalle Valo
Browse files

wifi: rtw89: 8852b: rfk: add RCK 



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: default avatarPing-Ke Shih <pkshih@realtek.com>
Signed-off-by: default avatarKalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221012083234.20224-3-pkshih@realtek.com
parent 16be5e3b

drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c

+43 −0
Original line number Diff line number Diff line
@@ -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);

drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h

+1 −0
Original line number Diff line number Diff line
@@ -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,