wifi: rtw89: coex: Add v1 Wi-Fi firmware power-saving null data report

The later version Wi-Fi firmware will report null data TX times,
so the structure is different from before.
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/20220913092546.43722-3-pkshih@realtek.com

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

@@ -1003,8 +1003,13 @@ static u32 _chk_btc_report(struct rtw89_dev *rtwdev,
 		break;
 	case BTC_RPT_TYPE_NULLSTA:
 		pcinfo = &pfwinfo->rpt_fbtc_nullsta.cinfo;
-		pfinfo = &pfwinfo->rpt_fbtc_nullsta.finfo;
-		pcinfo->req_len = sizeof(pfwinfo->rpt_fbtc_nullsta.finfo);
+		if (chip->chip_id == RTL8852A) {
+			pfinfo = &pfwinfo->rpt_fbtc_nullsta.finfo;
+			pcinfo->req_len = sizeof(pfwinfo->rpt_fbtc_nullsta.finfo);
+		} else {
+			pfinfo = &pfwinfo->rpt_fbtc_nullsta.finfo_v1;
+			pcinfo->req_len = sizeof(pfwinfo->rpt_fbtc_nullsta.finfo_v1);
+		}
 		pcinfo->req_fver = chip->fcxnullsta_ver;
 		pcinfo->rx_len = rpt_len;
 		pcinfo->rx_cnt++;
@@ -6218,10 +6223,12 @@ static void _show_fbtc_cysta(struct rtw89_dev *rtwdev, struct seq_file *m)
 
 static void _show_fbtc_nullsta(struct rtw89_dev *rtwdev, struct seq_file *m)
 {
+	const struct rtw89_chip_info *chip = rtwdev->chip;
 	struct rtw89_btc *btc = &rtwdev->btc;
 	struct rtw89_btc_btf_fwinfo *pfwinfo = &btc->fwinfo;
-	struct rtw89_btc_rpt_cmn_info *pcinfo = NULL;
-	struct rtw89_btc_fbtc_cynullsta *ns = NULL;
+	struct rtw89_btc_rpt_cmn_info *pcinfo;
+	struct rtw89_btc_fbtc_cynullsta *ns;
+	struct rtw89_btc_fbtc_cynullsta_v1 *ns_v1;
 	u8 i = 0;
 
 	if (!btc->dm.tdma_now.rxflctrl)
@@ -6231,25 +6238,58 @@ static void _show_fbtc_nullsta(struct rtw89_dev *rtwdev, struct seq_file *m)
 	if (!pcinfo->valid)
 		return;
 
-	ns = &pfwinfo->rpt_fbtc_nullsta.finfo;
+	if (chip->chip_id == RTL8852A) {
+		ns = &pfwinfo->rpt_fbtc_nullsta.finfo;
 
-	seq_printf(m, " %-15s : ", "[null_sta]");
+		seq_printf(m, " %-15s : ", "[null_sta]");
 
-	for (i = 0; i < 2; i++) {
-		if (i != 0)
-			seq_printf(m, ", null-%d", i);
-		else
-			seq_printf(m, "null-%d", i);
-		seq_printf(m, "[ok:%d/", le32_to_cpu(ns->result[i][1]));
-		seq_printf(m, "fail:%d/", le32_to_cpu(ns->result[i][0]));
-		seq_printf(m, "on_time:%d/", le32_to_cpu(ns->result[i][2]));
-		seq_printf(m, "retry:%d/", le32_to_cpu(ns->result[i][3]));
-		seq_printf(m, "avg_t:%d.%03d/",
-			   le32_to_cpu(ns->avg_t[i]) / 1000,
-			   le32_to_cpu(ns->avg_t[i]) % 1000);
-		seq_printf(m, "max_t:%d.%03d]",
-			   le32_to_cpu(ns->max_t[i]) / 1000,
-			   le32_to_cpu(ns->max_t[i]) % 1000);
+		for (i = 0; i < 2; i++) {
+			if (i != 0)
+				seq_printf(m, ", null-%d", i);
+			else
+				seq_printf(m, "null-%d", i);
+			seq_printf(m, "[ok:%d/",
+				   le32_to_cpu(ns->result[i][1]));
+			seq_printf(m, "fail:%d/",
+				   le32_to_cpu(ns->result[i][0]));
+			seq_printf(m, "on_time:%d/",
+				   le32_to_cpu(ns->result[i][2]));
+			seq_printf(m, "retry:%d/",
+				   le32_to_cpu(ns->result[i][3]));
+			seq_printf(m, "avg_t:%d.%03d/",
+				   le32_to_cpu(ns->avg_t[i]) / 1000,
+				   le32_to_cpu(ns->avg_t[i]) % 1000);
+			seq_printf(m, "max_t:%d.%03d]",
+				   le32_to_cpu(ns->max_t[i]) / 1000,
+				   le32_to_cpu(ns->max_t[i]) % 1000);
+		}
+	} else {
+		ns_v1 = &pfwinfo->rpt_fbtc_nullsta.finfo_v1;
+
+		seq_printf(m, " %-15s : ", "[null_sta]");
+
+		for (i = 0; i < 2; i++) {
+			if (i != 0)
+				seq_printf(m, ", null-%d", i);
+			else
+				seq_printf(m, "null-%d", i);
+			seq_printf(m, "[Tx:%d/",
+				   le32_to_cpu(ns_v1->result[i][4]));
+			seq_printf(m, "[ok:%d/",
+				   le32_to_cpu(ns_v1->result[i][1]));
+			seq_printf(m, "fail:%d/",
+				   le32_to_cpu(ns_v1->result[i][0]));
+			seq_printf(m, "on_time:%d/",
+				   le32_to_cpu(ns_v1->result[i][2]));
+			seq_printf(m, "retry:%d/",
+				   le32_to_cpu(ns_v1->result[i][3]));
+			seq_printf(m, "avg_t:%d.%03d/",
+				   le32_to_cpu(ns_v1->avg_t[i]) / 1000,
+				   le32_to_cpu(ns_v1->avg_t[i]) % 1000);
+			seq_printf(m, "max_t:%d.%03d]",
+				   le32_to_cpu(ns_v1->max_t[i]) / 1000,
+				   le32_to_cpu(ns_v1->max_t[i]) % 1000);
+		}
 	}
 	seq_puts(m, "\n");
 }

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

@@ -1718,6 +1718,15 @@ struct rtw89_btc_fbtc_cynullsta { /* cycle null statistics */
 	__le32 result[2][4]; /* 0:fail, 1:ok, 2:on_time, 3:retry */
 } __packed;
 
+struct rtw89_btc_fbtc_cynullsta_v1 { /* cycle null statistics */
+	u8 fver; /* chip_info::fcxnullsta_ver */
+	u8 rsvd;
+	__le16 rsvd2;
+	__le32 max_t[2]; /* max_t for 0:null0/1:null1 */
+	__le32 avg_t[2]; /* avg_t for 0:null0/1:null1 */
+	__le32 result[2][5]; /* 0:fail, 1:ok, 2:on_time, 3:retry, 4:tx */
+} __packed;
+
 struct rtw89_btc_fbtc_btver {
 	u8 fver; /* chip_info::fcxbtver_ver */
 	u8 rsvd;
@@ -1898,7 +1907,10 @@ struct rtw89_btc_rpt_fbtc_step {
 
 struct rtw89_btc_rpt_fbtc_nullsta {
 	struct rtw89_btc_rpt_cmn_info cinfo; /* common info, by driver */
-	struct rtw89_btc_fbtc_cynullsta finfo; /* info from fw */
+	union {
+		struct rtw89_btc_fbtc_cynullsta finfo; /* info from fw */
+		struct rtw89_btc_fbtc_cynullsta_v1 finfo_v1; /* info from fw */
+	};
 };
 
 struct rtw89_btc_rpt_fbtc_mreg {