wifi: rtw89: coex: Update RTL8852B LNA2 hardware parameter

The LNA gain didn't set before, it will lead some WiFi RX issue.
And the setting can increase both of WiFi & BT performance while
they are both RX.

Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230314020617.28193-4-pkshih@realtek.com

4 files changed, 68 insertions, 8 deletions

diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index e447bfec508b..3b13f2a6b42d 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -2186,12 +2186,13 @@ struct rtw89_btc_dm {
 	u32 wl_stb_chg: 1;
 	u32 pta_owner: 1;
 	u32 tdma_instant_excute: 1;
-	u32 rsvd: 1;
 
 	u16 slot_dur[CXST_MAX];
 
 	u8 run_reason;
 	u8 run_action;
+
+	u8 wl_lna2: 1;
 };
 
 struct rtw89_btc_ctrl {
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852a.c b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
index 9c42b6abd223..152f715d55d5 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
@@ -1947,20 +1947,25 @@ static void rtw8852a_set_wl_lna2(struct rtw89_dev *rtwdev, u8 level)
 
 static void rtw8852a_btc_set_wl_rx_gain(struct rtw89_dev *rtwdev, u32 level)
 {
+	struct rtw89_btc *btc = &rtwdev->btc;
+
 	switch (level) {
 	case 0: /* original */
+	default:
 		rtw8852a_bb_ctrl_btc_preagc(rtwdev, false);
-		rtw8852a_set_wl_lna2(rtwdev, 0);
+		btc->dm.wl_lna2 = 0;
 		break;
 	case 1: /* for FDD free-run */
 		rtw8852a_bb_ctrl_btc_preagc(rtwdev, true);
-		rtw8852a_set_wl_lna2(rtwdev, 0);
+		btc->dm.wl_lna2 = 0;
 		break;
 	case 2: /* for BTG Co-Rx*/
 		rtw8852a_bb_ctrl_btc_preagc(rtwdev, false);
-		rtw8852a_set_wl_lna2(rtwdev, 1);
+		btc->dm.wl_lna2 = 1;
 		break;
 	}
+
+	rtw8852a_set_wl_lna2(rtwdev, btc->dm.wl_lna2);
 }
 
 static void rtw8852a_fill_freq_with_ppdu(struct rtw89_dev *rtwdev,
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
index 499ae0389c71..7bab6d2ab776 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
@@ -2284,15 +2284,64 @@ static void rtw8852b_btc_wl_s1_standby(struct rtw89_dev *rtwdev, bool state)
 
 	/* set WL standby = Rx for GNT_BT_Tx = 1->0 settle issue */
 	if (state)
-		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x579);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x179);
 	else
 		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x20);
 
 	rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x0);
 }
 
+static void rtw8852b_btc_set_wl_lna2(struct rtw89_dev *rtwdev, u8 level)
+{
+	switch (level) {
+	case 0: /* default */
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x1000);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x0);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x15);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x1);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x17);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x2);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x15);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x3);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x17);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x0);
+		break;
+	case 1: /* Fix LNA2=5  */
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x1000);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x0);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x15);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x1);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x5);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x2);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x15);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x3);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x5);
+		rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x0);
+		break;
+	}
+}
+
 static void rtw8852b_btc_set_wl_rx_gain(struct rtw89_dev *rtwdev, u32 level)
 {
+	struct rtw89_btc *btc = &rtwdev->btc;
+
+	switch (level) {
+	case 0: /* original */
+	default:
+		rtw8852b_bb_ctrl_btc_preagc(rtwdev, false);
+		btc->dm.wl_lna2 = 0;
+		break;
+	case 1: /* for FDD free-run */
+		rtw8852b_bb_ctrl_btc_preagc(rtwdev, true);
+		btc->dm.wl_lna2 = 0;
+		break;
+	case 2: /* for BTG Co-Rx*/
+		rtw8852b_bb_ctrl_btc_preagc(rtwdev, false);
+		btc->dm.wl_lna2 = 1;
+		break;
+	}
+
+	rtw8852b_btc_set_wl_lna2(rtwdev, btc->dm.wl_lna2);
 }
 
 static void rtw8852b_fill_freq_with_ppdu(struct rtw89_dev *rtwdev,
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
index 8af813132f71..758021287552 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
@@ -2633,20 +2633,25 @@ static void rtw8852c_set_wl_lna2(struct rtw89_dev *rtwdev, u8 level)
 
 static void rtw8852c_btc_set_wl_rx_gain(struct rtw89_dev *rtwdev, u32 level)
 {
+	struct rtw89_btc *btc = &rtwdev->btc;
+
 	switch (level) {
 	case 0: /* original */
+	default:
 		rtw8852c_bb_ctrl_btc_preagc(rtwdev, false);
-		rtw8852c_set_wl_lna2(rtwdev, 0);
+		btc->dm.wl_lna2 = 0;
 		break;
 	case 1: /* for FDD free-run */
 		rtw8852c_bb_ctrl_btc_preagc(rtwdev, true);
-		rtw8852c_set_wl_lna2(rtwdev, 0);
+		btc->dm.wl_lna2 = 0;
 		break;
 	case 2: /* for BTG Co-Rx*/
 		rtw8852c_bb_ctrl_btc_preagc(rtwdev, false);
-		rtw8852c_set_wl_lna2(rtwdev, 1);
+		btc->dm.wl_lna2 = 1;
 		break;
 	}
+
+	rtw8852c_set_wl_lna2(rtwdev, btc->dm.wl_lna2);
 }
 
 static void rtw8852c_fill_freq_with_ppdu(struct rtw89_dev *rtwdev,