diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
index a5156d7aca5b8..290d83cb83d5a 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
@@ -56,6 +56,129 @@ static const struct rtw89_dle_mem rtw8852b_dle_mem_pcie[] = {
 			       NULL},
 };
 
+static const struct rtw89_reg3_def rtw8852b_pmac_ht20_mcs7_tbl[] = {
+	{0x4580, 0x0000ffff, 0x0},
+	{0x4580, 0xffff0000, 0x0},
+	{0x4584, 0x0000ffff, 0x0},
+	{0x4584, 0xffff0000, 0x0},
+	{0x4580, 0x0000ffff, 0x1},
+	{0x4578, 0x00ffffff, 0x2018b},
+	{0x4570, 0x03ffffff, 0x7},
+	{0x4574, 0x03ffffff, 0x32407},
+	{0x45b8, 0x00000010, 0x0},
+	{0x45b8, 0x00000100, 0x0},
+	{0x45b8, 0x00000080, 0x0},
+	{0x45b8, 0x00000008, 0x0},
+	{0x45a0, 0x0000ff00, 0x0},
+	{0x45a0, 0xff000000, 0x1},
+	{0x45a4, 0x0000ff00, 0x2},
+	{0x45a4, 0xff000000, 0x3},
+	{0x45b8, 0x00000020, 0x0},
+	{0x4568, 0xe0000000, 0x0},
+	{0x45b8, 0x00000002, 0x1},
+	{0x456c, 0xe0000000, 0x0},
+	{0x45b4, 0x00006000, 0x0},
+	{0x45b4, 0x00001800, 0x1},
+	{0x45b8, 0x00000040, 0x0},
+	{0x45b8, 0x00000004, 0x0},
+	{0x45b8, 0x00000200, 0x0},
+	{0x4598, 0xf8000000, 0x0},
+	{0x45b8, 0x00100000, 0x0},
+	{0x45a8, 0x00000fc0, 0x0},
+	{0x45b8, 0x00200000, 0x0},
+	{0x45b0, 0x00000038, 0x0},
+	{0x45b0, 0x000001c0, 0x0},
+	{0x45a0, 0x000000ff, 0x0},
+	{0x45b8, 0x00400000, 0x0},
+	{0x4590, 0x000007ff, 0x0},
+	{0x45b0, 0x00000e00, 0x0},
+	{0x45ac, 0x0000001f, 0x0},
+	{0x45b8, 0x00800000, 0x0},
+	{0x45a8, 0x0003f000, 0x0},
+	{0x45b8, 0x01000000, 0x0},
+	{0x45b0, 0x00007000, 0x0},
+	{0x45b0, 0x00038000, 0x0},
+	{0x45a0, 0x00ff0000, 0x0},
+	{0x45b8, 0x02000000, 0x0},
+	{0x4590, 0x003ff800, 0x0},
+	{0x45b0, 0x001c0000, 0x0},
+	{0x45ac, 0x000003e0, 0x0},
+	{0x45b8, 0x04000000, 0x0},
+	{0x45a8, 0x00fc0000, 0x0},
+	{0x45b8, 0x08000000, 0x0},
+	{0x45b0, 0x00e00000, 0x0},
+	{0x45b0, 0x07000000, 0x0},
+	{0x45a4, 0x000000ff, 0x0},
+	{0x45b8, 0x10000000, 0x0},
+	{0x4594, 0x000007ff, 0x0},
+	{0x45b0, 0x38000000, 0x0},
+	{0x45ac, 0x00007c00, 0x0},
+	{0x45b8, 0x20000000, 0x0},
+	{0x45a8, 0x3f000000, 0x0},
+	{0x45b8, 0x40000000, 0x0},
+	{0x45b4, 0x00000007, 0x0},
+	{0x45b4, 0x00000038, 0x0},
+	{0x45a4, 0x00ff0000, 0x0},
+	{0x45b8, 0x80000000, 0x0},
+	{0x4594, 0x003ff800, 0x0},
+	{0x45b4, 0x000001c0, 0x0},
+	{0x4598, 0xf8000000, 0x0},
+	{0x45b8, 0x00100000, 0x0},
+	{0x45a8, 0x00000fc0, 0x7},
+	{0x45b8, 0x00200000, 0x0},
+	{0x45b0, 0x00000038, 0x0},
+	{0x45b0, 0x000001c0, 0x0},
+	{0x45a0, 0x000000ff, 0x0},
+	{0x45b4, 0x06000000, 0x0},
+	{0x45b0, 0x00000007, 0x0},
+	{0x45b8, 0x00080000, 0x0},
+	{0x45a8, 0x0000003f, 0x0},
+	{0x457c, 0xffe00000, 0x1},
+	{0x4530, 0xffffffff, 0x0},
+	{0x4588, 0x00003fff, 0x0},
+	{0x4598, 0x000001ff, 0x0},
+	{0x4534, 0xffffffff, 0x0},
+	{0x4538, 0xffffffff, 0x0},
+	{0x453c, 0xffffffff, 0x0},
+	{0x4588, 0x0fffc000, 0x0},
+	{0x4598, 0x0003fe00, 0x0},
+	{0x4540, 0xffffffff, 0x0},
+	{0x4544, 0xffffffff, 0x0},
+	{0x4548, 0xffffffff, 0x0},
+	{0x458c, 0x00003fff, 0x0},
+	{0x4598, 0x07fc0000, 0x0},
+	{0x454c, 0xffffffff, 0x0},
+	{0x4550, 0xffffffff, 0x0},
+	{0x4554, 0xffffffff, 0x0},
+	{0x458c, 0x0fffc000, 0x0},
+	{0x459c, 0x000001ff, 0x0},
+	{0x4558, 0xffffffff, 0x0},
+	{0x455c, 0xffffffff, 0x0},
+	{0x4530, 0xffffffff, 0x4e790001},
+	{0x4588, 0x00003fff, 0x0},
+	{0x4598, 0x000001ff, 0x1},
+	{0x4534, 0xffffffff, 0x0},
+	{0x4538, 0xffffffff, 0x4b},
+	{0x45ac, 0x38000000, 0x7},
+	{0x4588, 0xf0000000, 0x0},
+	{0x459c, 0x7e000000, 0x0},
+	{0x45b8, 0x00040000, 0x0},
+	{0x45b8, 0x00020000, 0x0},
+	{0x4590, 0xffc00000, 0x0},
+	{0x45b8, 0x00004000, 0x0},
+	{0x4578, 0xff000000, 0x0},
+	{0x45b8, 0x00000400, 0x0},
+	{0x45b8, 0x00000800, 0x0},
+	{0x45b8, 0x00001000, 0x0},
+	{0x45b8, 0x00002000, 0x0},
+	{0x45b4, 0x00018000, 0x0},
+	{0x45ac, 0x07800000, 0x0},
+	{0x45b4, 0x00000600, 0x2},
+	{0x459c, 0x0001fe00, 0x80},
+	{0x45ac, 0x00078000, 0x3},
+	{0x459c, 0x01fe0000, 0x1},
+};
+
 static const struct rtw89_reg3_def rtw8852b_btc_preagc_en_defs[] = {
 	{0x46D0, GENMASK(1, 0), 0x3},
 	{0x4790, GENMASK(1, 0), 0x3},
@@ -1435,6 +1558,171 @@ rtw8852b_init_txpwr_unit(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx)
 	return 0;
 }
 
+void rtw8852b_bb_set_plcp_tx(struct rtw89_dev *rtwdev)
+{
+	const struct rtw89_reg3_def *def = rtw8852b_pmac_ht20_mcs7_tbl;
+	u8 i;
+
+	for (i = 0; i < ARRAY_SIZE(rtw8852b_pmac_ht20_mcs7_tbl); i++, def++)
+		rtw89_phy_write32_mask(rtwdev, def->addr, def->mask, def->data);
+}
+
+static void rtw8852b_stop_pmac_tx(struct rtw89_dev *rtwdev,
+				  struct rtw8852b_bb_pmac_info *tx_info,
+				  enum rtw89_phy_idx idx)
+{
+	rtw89_debug(rtwdev, RTW89_DBG_TSSI, "PMAC Stop Tx");
+	if (tx_info->mode == CONT_TX)
+		rtw89_phy_write32_idx(rtwdev, R_PMAC_TX_PRD, B_PMAC_CTX_EN, 0, idx);
+	else if (tx_info->mode == PKTS_TX)
+		rtw89_phy_write32_idx(rtwdev, R_PMAC_TX_PRD, B_PMAC_PTX_EN, 0, idx);
+}
+
+static void rtw8852b_start_pmac_tx(struct rtw89_dev *rtwdev,
+				   struct rtw8852b_bb_pmac_info *tx_info,
+				   enum rtw89_phy_idx idx)
+{
+	enum rtw8852b_pmac_mode mode = tx_info->mode;
+	u32 pkt_cnt = tx_info->tx_cnt;
+	u16 period = tx_info->period;
+
+	if (mode == CONT_TX && !tx_info->is_cck) {
+		rtw89_phy_write32_idx(rtwdev, R_PMAC_TX_PRD, B_PMAC_CTX_EN, 1, idx);
+		rtw89_debug(rtwdev, RTW89_DBG_TSSI, "PMAC CTx Start");
+	} else if (mode == PKTS_TX) {
+		rtw89_phy_write32_idx(rtwdev, R_PMAC_TX_PRD, B_PMAC_PTX_EN, 1, idx);
+		rtw89_phy_write32_idx(rtwdev, R_PMAC_TX_PRD,
+				      B_PMAC_TX_PRD_MSK, period, idx);
+		rtw89_phy_write32_idx(rtwdev, R_PMAC_TX_CNT, B_PMAC_TX_CNT_MSK,
+				      pkt_cnt, idx);
+		rtw89_debug(rtwdev, RTW89_DBG_TSSI, "PMAC PTx Start");
+	}
+
+	rtw89_phy_write32_idx(rtwdev, R_PMAC_TX_CTRL, B_PMAC_TXEN_DIS, 1, idx);
+	rtw89_phy_write32_idx(rtwdev, R_PMAC_TX_CTRL, B_PMAC_TXEN_DIS, 0, idx);
+}
+
+void rtw8852b_bb_set_pmac_tx(struct rtw89_dev *rtwdev,
+			     struct rtw8852b_bb_pmac_info *tx_info,
+			     enum rtw89_phy_idx idx)
+{
+	const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0);
+
+	if (!tx_info->en_pmac_tx) {
+		rtw8852b_stop_pmac_tx(rtwdev, tx_info, idx);
+		rtw89_phy_write32_idx(rtwdev, R_PD_CTRL, B_PD_HIT_DIS, 0, idx);
+		if (chan->band_type == RTW89_BAND_2G)
+			rtw89_phy_write32_clr(rtwdev, R_RXCCA, B_RXCCA_DIS);
+		return;
+	}
+
+	rtw89_debug(rtwdev, RTW89_DBG_TSSI, "PMAC Tx Enable");
+
+	rtw89_phy_write32_idx(rtwdev, R_PMAC_GNT, B_PMAC_GNT_TXEN, 1, idx);
+	rtw89_phy_write32_idx(rtwdev, R_PMAC_GNT, B_PMAC_GNT_RXEN, 1, idx);
+	rtw89_phy_write32_idx(rtwdev, R_PMAC_RX_CFG1, B_PMAC_OPT1_MSK, 0x3f, idx);
+	rtw89_phy_write32_idx(rtwdev, R_RSTB_ASYNC, B_RSTB_ASYNC_ALL, 0, idx);
+	rtw89_phy_write32_idx(rtwdev, R_PD_CTRL, B_PD_HIT_DIS, 1, idx);
+	rtw89_phy_write32_set(rtwdev, R_RXCCA, B_RXCCA_DIS);
+	rtw89_phy_write32_idx(rtwdev, R_RSTB_ASYNC, B_RSTB_ASYNC_ALL, 1, idx);
+
+	rtw8852b_start_pmac_tx(rtwdev, tx_info, idx);
+}
+
+void rtw8852b_bb_set_pmac_pkt_tx(struct rtw89_dev *rtwdev, u8 enable,
+				 u16 tx_cnt, u16 period, u16 tx_time,
+				 enum rtw89_phy_idx idx)
+{
+	struct rtw8852b_bb_pmac_info tx_info = {0};
+
+	tx_info.en_pmac_tx = enable;
+	tx_info.is_cck = 0;
+	tx_info.mode = PKTS_TX;
+	tx_info.tx_cnt = tx_cnt;
+	tx_info.period = period;
+	tx_info.tx_time = tx_time;
+
+	rtw8852b_bb_set_pmac_tx(rtwdev, &tx_info, idx);
+}
+
+void rtw8852b_bb_set_power(struct rtw89_dev *rtwdev, s16 pwr_dbm,
+			   enum rtw89_phy_idx idx)
+{
+	rtw89_debug(rtwdev, RTW89_DBG_TSSI, "PMAC CFG Tx PWR = %d", pwr_dbm);
+
+	rtw89_phy_write32_idx(rtwdev, R_MAC_SEL, B_MAC_SEL_PWR_EN, 1, idx);
+	rtw89_phy_write32_idx(rtwdev, R_TXPWR, B_TXPWR_MSK, pwr_dbm, idx);
+}
+
+void rtw8852b_bb_cfg_tx_path(struct rtw89_dev *rtwdev, u8 tx_path)
+{
+	rtw89_phy_write32_idx(rtwdev, R_MAC_SEL, B_MAC_SEL_MOD, 7, RTW89_PHY_0);
+
+	rtw89_debug(rtwdev, RTW89_DBG_TSSI, "PMAC CFG Tx Path = %d", tx_path);
+
+	if (tx_path == RF_PATH_A) {
+		rtw89_phy_write32_mask(rtwdev, R_TXPATH_SEL, B_TXPATH_SEL_MSK, 1);
+		rtw89_phy_write32_mask(rtwdev, R_TXNSS_MAP, B_TXNSS_MAP_MSK, 0);
+	} else if (tx_path == RF_PATH_B) {
+		rtw89_phy_write32_mask(rtwdev, R_TXPATH_SEL, B_TXPATH_SEL_MSK, 2);
+		rtw89_phy_write32_mask(rtwdev, R_TXNSS_MAP, B_TXNSS_MAP_MSK, 0);
+	} else if (tx_path == RF_PATH_AB) {
+		rtw89_phy_write32_mask(rtwdev, R_TXPATH_SEL, B_TXPATH_SEL_MSK, 3);
+		rtw89_phy_write32_mask(rtwdev, R_TXNSS_MAP, B_TXNSS_MAP_MSK, 4);
+	} else {
+		rtw89_debug(rtwdev, RTW89_DBG_TSSI, "Error Tx Path");
+	}
+}
+
+void rtw8852b_bb_tx_mode_switch(struct rtw89_dev *rtwdev,
+				enum rtw89_phy_idx idx, u8 mode)
+{
+	if (mode != 0)
+		return;
+
+	rtw89_debug(rtwdev, RTW89_DBG_TSSI, "Tx mode switch");
+
+	rtw89_phy_write32_idx(rtwdev, R_PMAC_GNT, B_PMAC_GNT_TXEN, 0, idx);
+	rtw89_phy_write32_idx(rtwdev, R_PMAC_GNT, B_PMAC_GNT_RXEN, 0, idx);
+	rtw89_phy_write32_idx(rtwdev, R_PMAC_RX_CFG1, B_PMAC_OPT1_MSK, 0, idx);
+	rtw89_phy_write32_idx(rtwdev, R_PMAC_RXMOD, B_PMAC_RXMOD_MSK, 0, idx);
+	rtw89_phy_write32_idx(rtwdev, R_MAC_SEL, B_MAC_SEL_DPD_EN, 0, idx);
+	rtw89_phy_write32_idx(rtwdev, R_MAC_SEL, B_MAC_SEL_MOD, 0, idx);
+	rtw89_phy_write32_idx(rtwdev, R_MAC_SEL, B_MAC_SEL_PWR_EN, 0, idx);
+}
+
+void rtw8852b_bb_backup_tssi(struct rtw89_dev *rtwdev, enum rtw89_phy_idx idx,
+			     struct rtw8852b_bb_tssi_bak *bak)
+{
+	s32 tmp;
+
+	bak->tx_path = rtw89_phy_read32_idx(rtwdev, R_TXPATH_SEL, B_TXPATH_SEL_MSK, idx);
+	bak->rx_path = rtw89_phy_read32_idx(rtwdev, R_CHBW_MOD_V1, B_ANT_RX_SEG0, idx);
+	bak->p0_rfmode = rtw89_phy_read32_idx(rtwdev, R_P0_RFMODE, MASKDWORD, idx);
+	bak->p0_rfmode_ftm = rtw89_phy_read32_idx(rtwdev, R_P0_RFMODE_FTM_RX, MASKDWORD, idx);
+	bak->p1_rfmode = rtw89_phy_read32_idx(rtwdev, R_P1_RFMODE, MASKDWORD, idx);
+	bak->p1_rfmode_ftm = rtw89_phy_read32_idx(rtwdev, R_P1_RFMODE_FTM_RX, MASKDWORD, idx);
+	tmp = rtw89_phy_read32_idx(rtwdev, R_TXPWR, B_TXPWR_MSK, idx);
+	bak->tx_pwr = sign_extend32(tmp, 8);
+}
+
+void rtw8852b_bb_restore_tssi(struct rtw89_dev *rtwdev, enum rtw89_phy_idx idx,
+			      const struct rtw8852b_bb_tssi_bak *bak)
+{
+	rtw89_phy_write32_idx(rtwdev, R_TXPATH_SEL, B_TXPATH_SEL_MSK, bak->tx_path, idx);
+	if (bak->tx_path == RF_AB)
+		rtw89_phy_write32_mask(rtwdev, R_TXNSS_MAP, B_TXNSS_MAP_MSK, 0x4);
+	else
+		rtw89_phy_write32_mask(rtwdev, R_TXNSS_MAP, B_TXNSS_MAP_MSK, 0x0);
+	rtw89_phy_write32_idx(rtwdev, R_CHBW_MOD_V1, B_ANT_RX_SEG0, bak->rx_path, idx);
+	rtw89_phy_write32_idx(rtwdev, R_MAC_SEL, B_MAC_SEL_PWR_EN, 1, idx);
+	rtw89_phy_write32_idx(rtwdev, R_P0_RFMODE, MASKDWORD, bak->p0_rfmode, idx);
+	rtw89_phy_write32_idx(rtwdev, R_P0_RFMODE_FTM_RX, MASKDWORD, bak->p0_rfmode_ftm, idx);
+	rtw89_phy_write32_idx(rtwdev, R_P1_RFMODE, MASKDWORD, bak->p1_rfmode, idx);
+	rtw89_phy_write32_idx(rtwdev, R_P1_RFMODE_FTM_RX, MASKDWORD, bak->p1_rfmode_ftm, idx);
+	rtw89_phy_write32_idx(rtwdev, R_TXPWR, B_TXPWR_MSK, bak->tx_pwr, idx);
+}
+
 static void rtw8852b_bb_ctrl_btc_preagc(struct rtw89_dev *rtwdev, bool bt_en)
 {
 	rtw89_phy_write_reg3_tbl(rtwdev, bt_en ? &rtw8852b_btc_preagc_en_defs_tbl :
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.h b/drivers/net/wireless/realtek/rtw89/rtw8852b.h
index 33f621014e497..4f9b3d4768790 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.h
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.h
@@ -10,6 +10,13 @@
 #define RF_PATH_NUM_8852B 2
 #define BB_PATH_NUM_8852B 2
 
+enum rtw8852b_pmac_mode {
+	NONE_TEST,
+	PKTS_TX,
+	PKTS_RX,
+	CONT_TX
+};
+
 struct rtw8852b_u_efuse {
 	u8 rsvd[0x88];
 	u8 mac_addr[ETH_ALEN];
@@ -85,9 +92,46 @@ struct rtw8852b_efuse {
 	};
 } __packed;
 
+struct rtw8852b_bb_pmac_info {
+	u8 en_pmac_tx:1;
+	u8 is_cck:1;
+	u8 mode:3;
+	u8 rsvd:3;
+	u16 tx_cnt;
+	u16 period;
+	u16 tx_time;
+	u8 duty_cycle;
+};
+
+struct rtw8852b_bb_tssi_bak {
+	u8 tx_path;
+	u8 rx_path;
+	u32 p0_rfmode;
+	u32 p0_rfmode_ftm;
+	u32 p1_rfmode;
+	u32 p1_rfmode_ftm;
+	s16 tx_pwr; /* S9 */
+};
+
 extern const struct rtw89_chip_info rtw8852b_chip_info;
 
+void rtw8852b_bb_set_plcp_tx(struct rtw89_dev *rtwdev);
+void rtw8852b_bb_set_pmac_tx(struct rtw89_dev *rtwdev,
+			     struct rtw8852b_bb_pmac_info *tx_info,
+			     enum rtw89_phy_idx idx);
+void rtw8852b_bb_set_pmac_pkt_tx(struct rtw89_dev *rtwdev, u8 enable,
+				 u16 tx_cnt, u16 period, u16 tx_time,
+				 enum rtw89_phy_idx idx);
+void rtw8852b_bb_set_power(struct rtw89_dev *rtwdev, s16 pwr_dbm,
+			   enum rtw89_phy_idx idx);
+void rtw8852b_bb_cfg_tx_path(struct rtw89_dev *rtwdev, u8 tx_path);
 void rtw8852b_bb_ctrl_rx_path(struct rtw89_dev *rtwdev,
 			      enum rtw89_rf_path_bit rx_path);
+void rtw8852b_bb_tx_mode_switch(struct rtw89_dev *rtwdev,
+				enum rtw89_phy_idx idx, u8 mode);
+void rtw8852b_bb_backup_tssi(struct rtw89_dev *rtwdev, enum rtw89_phy_idx idx,
+			     struct rtw8852b_bb_tssi_bak *bak);
+void rtw8852b_bb_restore_tssi(struct rtw89_dev *rtwdev, enum rtw89_phy_idx idx,
+			      const struct rtw8852b_bb_tssi_bak *bak);
 
 #endif
