diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index 0508dfca8edf731e25acb1a3c976c85060b2a495..878c33fa30bdc6b58f51db430b1b0760b6111a2c 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -4819,6 +4819,7 @@ int rtw89_mac_read_xtal_si(struct rtw89_dev *rtwdev, u8 offset, u8 *val)
 
 	return 0;
 }
+EXPORT_SYMBOL(rtw89_mac_read_xtal_si);
 
 static
 void rtw89_mac_pkt_drop_sta(struct rtw89_dev *rtwdev, struct rtw89_sta *rtwsta)
diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h
index ca20bb024b407a9fe6bcea7d62eca4958367ca02..6809ff812abb7b40ab94c4538a9eec987af2375b 100644
--- a/drivers/net/wireless/realtek/rtw89/reg.h
+++ b/drivers/net/wireless/realtek/rtw89/reg.h
@@ -2991,6 +2991,7 @@
 
 #define R_AX_PWR_RATE_CTRL 0xD200
 #define R_AX_PWR_RATE_CTRL_C1 0xF200
+#define B_AX_PWR_REF GENMASK(27, 10)
 #define B_AX_FORCE_PWR_BY_RATE_EN BIT(9)
 #define B_AX_FORCE_PWR_BY_RATE_VALUE_MASK GENMASK(8, 0)
 
@@ -3770,6 +3771,7 @@
 #define B_DCFO_WEIGHT_MSK GENMASK(27, 24)
 #define R_DCFO_OPT 0x4494
 #define B_DCFO_OPT_EN BIT(29)
+#define B_TXSHAPE_TRIANGULAR_CFG GENMASK(25, 24)
 #define R_BANDEDGE 0x4498
 #define B_BANDEDGE_EN BIT(30)
 #define R_TXPATH_SEL 0x458C
@@ -4003,6 +4005,9 @@
 #define B_TXPWRB_VAL GENMASK(27, 19)
 #define R_DPD_OFT_EN 0x5800
 #define B_DPD_OFT_EN BIT(28)
+#define B_DPD_TSSI_CW GENMASK(26, 18)
+#define B_DPD_PWR_CW GENMASK(17, 9)
+#define B_DPD_REF GENMASK(8, 0)
 #define R_DPD_OFT_ADDR 0x5804
 #define B_DPD_OFT_ADDR GENMASK(31, 27)
 #define R_TXPWRB_H 0x580c
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
index 9f9908418ee4e3e296d6e6f99c4401f49670e3b0..ec6833080b80a7936d39dff59664b47ee39e4fa9 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
@@ -2,9 +2,14 @@
 /* Copyright(c) 2019-2022  Realtek Corporation
  */
 
-#include "core.h"
+#include "coex.h"
+#include "fw.h"
 #include "mac.h"
+#include "phy.h"
 #include "reg.h"
+#include "rtw8852b.h"
+#include "rtw8852b_table.h"
+#include "txrx.h"
 
 static const struct rtw89_dle_mem rtw8852b_dle_mem_pcie[] = {
 	[RTW89_QTA_SCC] = {RTW89_QTA_SCC, &rtw89_mac_size.wde_size6,
@@ -19,6 +24,195 @@ static const struct rtw89_dle_mem rtw8852b_dle_mem_pcie[] = {
 			       NULL},
 };
 
+static u32 rtw8852b_bb_cal_txpwr_ref(struct rtw89_dev *rtwdev,
+				     enum rtw89_phy_idx phy_idx, s16 ref)
+{
+	const u16 tssi_16dbm_cw = 0x12c;
+	const u8 base_cw_0db = 0x27;
+	const s8 ofst_int = 0;
+	s16 pwr_s10_3;
+	s16 rf_pwr_cw;
+	u16 bb_pwr_cw;
+	u32 pwr_cw;
+	u32 tssi_ofst_cw;
+
+	pwr_s10_3 = (ref << 1) + (s16)(ofst_int) + (s16)(base_cw_0db << 3);
+	bb_pwr_cw = FIELD_GET(GENMASK(2, 0), pwr_s10_3);
+	rf_pwr_cw = FIELD_GET(GENMASK(8, 3), pwr_s10_3);
+	rf_pwr_cw = clamp_t(s16, rf_pwr_cw, 15, 63);
+	pwr_cw = (rf_pwr_cw << 3) | bb_pwr_cw;
+
+	tssi_ofst_cw = (u32)((s16)tssi_16dbm_cw + (ref << 1) - (16 << 3));
+	rtw89_debug(rtwdev, RTW89_DBG_TXPWR,
+		    "[TXPWR] tssi_ofst_cw=%d rf_cw=0x%x bb_cw=0x%x\n",
+		    tssi_ofst_cw, rf_pwr_cw, bb_pwr_cw);
+
+	return FIELD_PREP(B_DPD_TSSI_CW, tssi_ofst_cw) |
+	       FIELD_PREP(B_DPD_PWR_CW, pwr_cw) |
+	       FIELD_PREP(B_DPD_REF, ref);
+}
+
+static void rtw8852b_set_txpwr_ref(struct rtw89_dev *rtwdev,
+				   enum rtw89_phy_idx phy_idx)
+{
+	static const u32 addr[RF_PATH_NUM_8852B] = {0x5800, 0x7800};
+	const u32 mask = B_DPD_TSSI_CW | B_DPD_PWR_CW | B_DPD_REF;
+	const u8 ofst_ofdm = 0x4;
+	const u8 ofst_cck = 0x8;
+	const s16 ref_ofdm = 0;
+	const s16 ref_cck = 0;
+	u32 val;
+	u8 i;
+
+	rtw89_debug(rtwdev, RTW89_DBG_TXPWR, "[TXPWR] set txpwr reference\n");
+
+	rtw89_mac_txpwr_write32_mask(rtwdev, phy_idx, R_AX_PWR_RATE_CTRL,
+				     B_AX_PWR_REF, 0x0);
+
+	rtw89_debug(rtwdev, RTW89_DBG_TXPWR, "[TXPWR] set bb ofdm txpwr ref\n");
+	val = rtw8852b_bb_cal_txpwr_ref(rtwdev, phy_idx, ref_ofdm);
+
+	for (i = 0; i < RF_PATH_NUM_8852B; i++)
+		rtw89_phy_write32_idx(rtwdev, addr[i] + ofst_ofdm, mask, val,
+				      phy_idx);
+
+	rtw89_debug(rtwdev, RTW89_DBG_TXPWR, "[TXPWR] set bb cck txpwr ref\n");
+	val = rtw8852b_bb_cal_txpwr_ref(rtwdev, phy_idx, ref_cck);
+
+	for (i = 0; i < RF_PATH_NUM_8852B; i++)
+		rtw89_phy_write32_idx(rtwdev, addr[i] + ofst_cck, mask, val,
+				      phy_idx);
+}
+
+static void rtw8852b_bb_set_tx_shape_dfir(struct rtw89_dev *rtwdev,
+					  u8 tx_shape_idx,
+					  enum rtw89_phy_idx phy_idx)
+{
+#define __DFIR_CFG_ADDR(i) (R_TXFIR0 + ((i) << 2))
+#define __DFIR_CFG_MASK 0xffffffff
+#define __DFIR_CFG_NR 8
+#define __DECL_DFIR_PARAM(_name, _val...) \
+	static const u32 param_ ## _name[] = {_val}; \
+	static_assert(ARRAY_SIZE(param_ ## _name) == __DFIR_CFG_NR)
+
+	__DECL_DFIR_PARAM(flat,
+			  0x023D23FF, 0x0029B354, 0x000FC1C8, 0x00FDB053,
+			  0x00F86F9A, 0x06FAEF92, 0x00FE5FCC, 0x00FFDFF5);
+	__DECL_DFIR_PARAM(sharp,
+			  0x023D83FF, 0x002C636A, 0x0013F204, 0x00008090,
+			  0x00F87FB0, 0x06F99F83, 0x00FDBFBA, 0x00003FF5);
+	__DECL_DFIR_PARAM(sharp_14,
+			  0x023B13FF, 0x001C42DE, 0x00FDB0AD, 0x00F60F6E,
+			  0x00FD8F92, 0x0602D011, 0x0001C02C, 0x00FFF00A);
+	const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0);
+	u8 ch = chan->channel;
+	const u32 *param;
+	u32 addr;
+	int i;
+
+	if (ch > 14) {
+		rtw89_warn(rtwdev,
+			   "set tx shape dfir by unknown ch: %d on 2G\n", ch);
+		return;
+	}
+
+	if (ch == 14)
+		param = param_sharp_14;
+	else
+		param = tx_shape_idx == 0 ? param_flat : param_sharp;
+
+	for (i = 0; i < __DFIR_CFG_NR; i++) {
+		addr = __DFIR_CFG_ADDR(i);
+		rtw89_debug(rtwdev, RTW89_DBG_TXPWR,
+			    "set tx shape dfir: 0x%x: 0x%x\n", addr, param[i]);
+		rtw89_phy_write32_idx(rtwdev, addr, __DFIR_CFG_MASK, param[i],
+				      phy_idx);
+	}
+
+#undef __DECL_DFIR_PARAM
+#undef __DFIR_CFG_NR
+#undef __DFIR_CFG_MASK
+#undef __DECL_CFG_ADDR
+}
+
+static void rtw8852b_set_tx_shape(struct rtw89_dev *rtwdev,
+				  const struct rtw89_chan *chan,
+				  enum rtw89_phy_idx phy_idx)
+{
+	u8 band = chan->band_type;
+	u8 regd = rtw89_regd_get(rtwdev, band);
+	u8 tx_shape_cck = rtw89_8852b_tx_shape[band][RTW89_RS_CCK][regd];
+	u8 tx_shape_ofdm = rtw89_8852b_tx_shape[band][RTW89_RS_OFDM][regd];
+
+	if (band == RTW89_BAND_2G)
+		rtw8852b_bb_set_tx_shape_dfir(rtwdev, tx_shape_cck, phy_idx);
+
+	rtw89_phy_write32_mask(rtwdev, R_DCFO_OPT, B_TXSHAPE_TRIANGULAR_CFG,
+			       tx_shape_ofdm);
+}
+
+static void rtw8852b_set_txpwr(struct rtw89_dev *rtwdev,
+			       const struct rtw89_chan *chan,
+			       enum rtw89_phy_idx phy_idx)
+{
+	rtw89_phy_set_txpwr_byrate(rtwdev, chan, phy_idx);
+	rtw89_phy_set_txpwr_offset(rtwdev, chan, phy_idx);
+	rtw8852b_set_tx_shape(rtwdev, chan, phy_idx);
+	rtw89_phy_set_txpwr_limit(rtwdev, chan, phy_idx);
+	rtw89_phy_set_txpwr_limit_ru(rtwdev, chan, phy_idx);
+}
+
+static void rtw8852b_set_txpwr_ctrl(struct rtw89_dev *rtwdev,
+				    enum rtw89_phy_idx phy_idx)
+{
+	rtw8852b_set_txpwr_ref(rtwdev, phy_idx);
+}
+
+static
+void rtw8852b_set_txpwr_ul_tb_offset(struct rtw89_dev *rtwdev,
+				     s8 pw_ofst, enum rtw89_mac_idx mac_idx)
+{
+	u32 reg;
+
+	if (pw_ofst < -16 || pw_ofst > 15) {
+		rtw89_warn(rtwdev, "[ULTB] Err pwr_offset=%d\n", pw_ofst);
+		return;
+	}
+
+	reg = rtw89_mac_reg_by_idx(R_AX_PWR_UL_TB_CTRL, mac_idx);
+	rtw89_write32_set(rtwdev, reg, B_AX_PWR_UL_TB_CTRL_EN);
+
+	reg = rtw89_mac_reg_by_idx(R_AX_PWR_UL_TB_1T, mac_idx);
+	rtw89_write32_mask(rtwdev, reg, B_AX_PWR_UL_TB_1T_MASK, pw_ofst);
+
+	pw_ofst = max_t(s8, pw_ofst - 3, -16);
+	reg = rtw89_mac_reg_by_idx(R_AX_PWR_UL_TB_2T, mac_idx);
+	rtw89_write32_mask(rtwdev, reg, B_AX_PWR_UL_TB_1T_MASK, pw_ofst);
+}
+
+static int
+rtw8852b_init_txpwr_unit(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx)
+{
+	int ret;
+
+	ret = rtw89_mac_txpwr_write32(rtwdev, phy_idx, R_AX_PWR_UL_CTRL2, 0x07763333);
+	if (ret)
+		return ret;
+
+	ret = rtw89_mac_txpwr_write32(rtwdev, phy_idx, R_AX_PWR_COEXT_CTRL, 0x01ebf000);
+	if (ret)
+		return ret;
+
+	ret = rtw89_mac_txpwr_write32(rtwdev, phy_idx, R_AX_PWR_UL_CTRL0, 0x0002f8ff);
+	if (ret)
+		return ret;
+
+	rtw8852b_set_txpwr_ul_tb_offset(rtwdev, 0, phy_idx == RTW89_PHY_1 ?
+						   RTW89_MAC_1 : RTW89_MAC_0);
+
+	return 0;
+}
+
 static int rtw8852b_mac_enable_bb_rf(struct rtw89_dev *rtwdev)
 {
 	int ret;
@@ -75,10 +269,14 @@ static int rtw8852b_mac_disable_bb_rf(struct rtw89_dev *rtwdev)
 static const struct rtw89_chip_ops rtw8852b_chip_ops = {
 	.enable_bb_rf		= rtw8852b_mac_enable_bb_rf,
 	.disable_bb_rf		= rtw8852b_mac_disable_bb_rf,
+	.set_txpwr		= rtw8852b_set_txpwr,
+	.set_txpwr_ctrl		= rtw8852b_set_txpwr_ctrl,
+	.init_txpwr_unit	= rtw8852b_init_txpwr_unit,
 };
 
 const struct rtw89_chip_info rtw8852b_chip_info = {
 	.chip_id		= RTL8852B,
+	.ops			= &rtw8852b_chip_ops,
 	.fifo_size		= 196608,
 	.dle_scc_rsvd_size	= 98304,
 	.dle_mem		= rtw8852b_dle_mem_pcie,
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.h b/drivers/net/wireless/realtek/rtw89/rtw8852b.h
new file mode 100644
index 0000000000000000000000000000000000000000..a5ff269752a303439f216ca9a7b3d182818ea2d1
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2019-2022  Realtek Corporation
+ */
+
+#ifndef __RTW89_8852B_H__
+#define __RTW89_8852B_H__
+
+#include "core.h"
+
+#define RF_PATH_NUM_8852B 2
+#define BB_PATH_NUM_8852B 2
+
+#endif