rtw89: 8852c: rfk: get calibrated channels to notify firmware

The commit 16b44ed0 ("rtw89: add RF H2C to notify firmware") is to
add firmware command, and this commit is to prepare the channels. Then,
firmware can get proper channels.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220503120001.79272-2-pkshih@realtek.com

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

@@ -1786,6 +1786,7 @@ static void rtw8852c_rfk_channel(struct rtw89_dev *rtwdev)
 {
 	enum rtw89_phy_idx phy_idx = RTW89_PHY_0;
 
+	rtw8852c_mcc_get_ch_info(rtwdev, phy_idx);
 	rtw8852c_rx_dck(rtwdev, phy_idx, false);
 	rtw8852c_iqk(rtwdev, phy_idx);
 	rtw8852c_tssi(rtwdev, phy_idx);

drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c

@@ -3809,6 +3809,24 @@ void rtw8852c_set_channel_rf(struct rtw89_dev *rtwdev,
 			    param->bandwidth);
 }
 
+void rtw8852c_mcc_get_ch_info(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx)
+{
+	struct rtw89_mcc_info *mcc_info = &rtwdev->mcc;
+	u8 idx = mcc_info->table_idx;
+	int i;
+
+	for (i = 0; i < RTW89_IQK_CHS_NR; i++) {
+		if (mcc_info->ch[idx] == 0)
+			break;
+		if (++idx >= RTW89_IQK_CHS_NR)
+			idx = 0;
+	}
+
+	mcc_info->table_idx = idx;
+	mcc_info->ch[idx] = rtwdev->hal.current_channel;
+	mcc_info->band[idx] = rtwdev->hal.current_band_type;
+}
+
 void rtw8852c_rck(struct rtw89_dev *rtwdev)
 {
 	u8 path;

drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.h

@@ -7,6 +7,7 @@
 
 #include "core.h"
 
+void rtw8852c_mcc_get_ch_info(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy);
 void rtw8852c_rck(struct rtw89_dev *rtwdev);
 void rtw8852c_dack(struct rtw89_dev *rtwdev);
 void rtw8852c_iqk(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx);