wifi: rtw89: 8922a: add chip_ops::bb_preinit to enable BB before downloading firmware

Before downloading firmware for BB MCU, call this ops to enable baseband
hardware.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230901073956.54203-7-pkshih@realtek.com

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

@@ -3032,6 +3032,7 @@ struct rtw89_hci_info {
 struct rtw89_chip_ops {
 	int (*enable_bb_rf)(struct rtw89_dev *rtwdev);
 	int (*disable_bb_rf)(struct rtw89_dev *rtwdev);
+	void (*bb_preinit)(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx);
 	void (*bb_reset)(struct rtw89_dev *rtwdev,
 			 enum rtw89_phy_idx phy_idx);
 	void (*bb_sethw)(struct rtw89_dev *rtwdev);
@@ -5113,6 +5114,15 @@ static inline void rtw89_chip_rfe_gpio(struct rtw89_dev *rtwdev)
 		chip->ops->rfe_gpio(rtwdev);
 }
 
+static inline
+void rtw89_chip_bb_preinit(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx)
+{
+	const struct rtw89_chip_info *chip = rtwdev->chip;
+
+	if (chip->ops->bb_preinit)
+		chip->ops->bb_preinit(rtwdev, phy_idx);
+}
+
 static inline void rtw89_chip_bb_sethw(struct rtw89_dev *rtwdev)
 {
 	const struct rtw89_chip_info *chip = rtwdev->chip;

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

@@ -3607,6 +3607,12 @@ int rtw89_mac_partial_init(struct rtw89_dev *rtwdev, bool include_bb)
 
 	rtw89_mac_ctrl_hci_dma_trx(rtwdev, true);
 
+	if (include_bb) {
+		rtw89_chip_bb_preinit(rtwdev, RTW89_PHY_0);
+		if (rtwdev->dbcc_en)
+			rtw89_chip_bb_preinit(rtwdev, RTW89_PHY_1);
+	}
+
 	ret = rtw89_mac_dmac_pre_init(rtwdev);
 	if (ret)
 		return ret;

drivers/net/wireless/realtek/rtw89/rtw8851b.c

@@ -2280,6 +2280,7 @@ static int rtw8851b_mac_disable_bb_rf(struct rtw89_dev *rtwdev)
 static const struct rtw89_chip_ops rtw8851b_chip_ops = {
 	.enable_bb_rf		= rtw8851b_mac_enable_bb_rf,
 	.disable_bb_rf		= rtw8851b_mac_disable_bb_rf,
+	.bb_preinit		= NULL,
 	.bb_reset		= rtw8851b_bb_reset,
 	.bb_sethw		= rtw8851b_bb_sethw,
 	.read_rf		= rtw89_phy_read_rf_v1,

drivers/net/wireless/realtek/rtw89/rtw8852a.c

@@ -2025,6 +2025,7 @@ static const struct wiphy_wowlan_support rtw_wowlan_stub_8852a = {
 static const struct rtw89_chip_ops rtw8852a_chip_ops = {
 	.enable_bb_rf		= rtw89_mac_enable_bb_rf,
 	.disable_bb_rf		= rtw89_mac_disable_bb_rf,
+	.bb_preinit		= NULL,
 	.bb_reset		= rtw8852a_bb_reset,
 	.bb_sethw		= rtw8852a_bb_sethw,
 	.read_rf		= rtw89_phy_read_rf,

drivers/net/wireless/realtek/rtw89/rtw8852b.c

@@ -2449,6 +2449,7 @@ 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,
+	.bb_preinit		= NULL,
 	.bb_reset		= rtw8852b_bb_reset,
 	.bb_sethw		= rtw8852b_bb_sethw,
 	.read_rf		= rtw89_phy_read_rf_v1,

drivers/net/wireless/realtek/rtw89/rtw8852c.c

@@ -2760,6 +2760,7 @@ static const struct wiphy_wowlan_support rtw_wowlan_stub_8852c = {
 static const struct rtw89_chip_ops rtw8852c_chip_ops = {
 	.enable_bb_rf		= rtw8852c_mac_enable_bb_rf,
 	.disable_bb_rf		= rtw8852c_mac_disable_bb_rf,
+	.bb_preinit		= NULL,
 	.bb_reset		= rtw8852c_bb_reset,
 	.bb_sethw		= rtw8852c_bb_sethw,
 	.read_rf		= rtw89_phy_read_rf_v1,