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++;
 
 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)
        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");
 }