wifi: rtw89: phy: add dummy C2H event handler for report of TAS power

commit 0948981 upstream.

The newer firmware, lik RTL8852C version 0.27.111.0, will notify driver
report of TAS (Time Averaged SAR) power by new C2H events. This is to
assist in higher accurate calculation of TAS.

For now, driver doesn't use the report yet, so add a dummy handler to
avoid it throws info like:
   rtw89_8852ce 0000:03:00.0: c2h class 9 func 6 not support

Also add "MAC" and "PHY" to the message to disambiguate the source of
C2H event.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20241209042127.21424-1-pkshih@realtek.com
Signed-off-by: Zenm Chen <zenmchen@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 44b25cc82574e2bb8fe1d09a0234215261d3f525)
Signed-off-by: Jack Vogel <jack.vogel@oracle.com>

Author: Ping-Ke Shih

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

@@ -5513,11 +5513,11 @@ void rtw89_mac_c2h_handle(struct rtw89_dev *rtwdev, struct sk_buff *skb,
 	case RTW89_MAC_C2H_CLASS_FWDBG:
 		return;
 	default:
-		rtw89_info(rtwdev, "c2h class %d not support\n", class);
+		rtw89_info(rtwdev, "MAC c2h class %d not support\n", class);
 		return;
 	}
 	if (!handler) {
-		rtw89_info(rtwdev, "c2h class %d func %d not support\n", class,
+		rtw89_info(rtwdev, "MAC c2h class %d func %d not support\n", class,
 			   func);
 		return;
 	}

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

@@ -3062,10 +3062,16 @@ rtw89_phy_c2h_rfk_report_state(struct rtw89_dev *rtwdev, struct sk_buff *c2h, u3
 		    (int)(len - sizeof(report->hdr)), &report->state);
 }
 
+static void
+rtw89_phy_c2h_rfk_log_tas_pwr(struct rtw89_dev *rtwdev, struct sk_buff *c2h, u32 len)
+{
+}
+
 static
 void (* const rtw89_phy_c2h_rfk_report_handler[])(struct rtw89_dev *rtwdev,
 						  struct sk_buff *c2h, u32 len) = {
 	[RTW89_PHY_C2H_RFK_REPORT_FUNC_STATE] = rtw89_phy_c2h_rfk_report_state,
+	[RTW89_PHY_C2H_RFK_LOG_TAS_PWR] = rtw89_phy_c2h_rfk_log_tas_pwr,
 };
 
 bool rtw89_phy_c2h_chk_atomic(struct rtw89_dev *rtwdev, u8 class, u8 func)
@@ -3119,11 +3125,11 @@ void rtw89_phy_c2h_handle(struct rtw89_dev *rtwdev, struct sk_buff *skb,
 			return;
 		fallthrough;
 	default:
-		rtw89_info(rtwdev, "c2h class %d not support\n", class);
+		rtw89_info(rtwdev, "PHY c2h class %d not support\n", class);
 		return;
 	}
 	if (!handler) {
-		rtw89_info(rtwdev, "c2h class %d func %d not support\n", class,
+		rtw89_info(rtwdev, "PHY c2h class %d func %d not support\n", class,
 			   func);
 		return;
 	}

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

@@ -151,6 +151,7 @@ enum rtw89_phy_c2h_rfk_log_func {
 
 enum rtw89_phy_c2h_rfk_report_func {
 	RTW89_PHY_C2H_RFK_REPORT_FUNC_STATE = 0,
+	RTW89_PHY_C2H_RFK_LOG_TAS_PWR = 6,
 };
 
 enum rtw89_phy_c2h_dm_func {