rtw89: add hci_func_en_addr to support variant generation

The HCI_FUNC_EN address of 8852C is different from existing chipset, so
add a chip_info::hci_func_en_addr to fill the address individually.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220307060457.56789-8-pkshih@realtek.com

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

@@ -2307,6 +2307,8 @@ struct rtw89_chip_info {
 	u8 rf_para_dlink_num;
 	const struct rtw89_btc_rf_trx_para *rf_para_dlink;
 	u8 ps_mode_supported;
+
+	u32 hci_func_en_addr;
 };
 
 union rtw89_bus_info {

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

@@ -2619,7 +2619,9 @@ static int rtw89_mac_fw_dl_pre_init(struct rtw89_dev *rtwdev)
 
 static void rtw89_mac_hci_func_en(struct rtw89_dev *rtwdev)
 {
-	rtw89_write32_set(rtwdev, R_AX_HCI_FUNC_EN,
+	const struct rtw89_chip_info *chip = rtwdev->chip;
+
+	rtw89_write32_set(rtwdev, chip->hci_func_en_addr,
 			  B_AX_HCI_TXDMA_EN | B_AX_HCI_RXDMA_EN);
 }
 

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

@@ -217,6 +217,8 @@
 #define B_AX_ASFF_FULL_NO_STK BIT(1)
 #define B_AX_EN_STUCK_DBG BIT(0)
 
+#define R_AX_HCI_FUNC_EN_V1 0x7880
+
 #define R_AX_PHYREG_SET 0x8040
 #define PHYREG_SET_ALL_CYCLE 0x8
 

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

@@ -2057,6 +2057,7 @@ const struct rtw89_chip_info rtw8852a_chip_info = {
 	.ps_mode_supported	= BIT(RTW89_PS_MODE_RFOFF) |
 				  BIT(RTW89_PS_MODE_CLK_GATED) |
 				  BIT(RTW89_PS_MODE_PWR_GATED),
+	.hci_func_en_addr	= R_AX_HCI_FUNC_EN,
 };
 EXPORT_SYMBOL(rtw8852a_chip_info);
 

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

@@ -194,6 +194,7 @@ const struct rtw89_chip_info rtw8852c_chip_info = {
 	.fw_name		= "rtw89/rtw8852c_fw.bin",
 	.pwr_on_seq		= NULL,
 	.pwr_off_seq		= NULL,
+	.hci_func_en_addr	= R_AX_HCI_FUNC_EN_V1,
 };
 EXPORT_SYMBOL(rtw8852c_chip_info);