wifi: rtw89: coex: translate slot ID to readable name

To analyze debug log quickly, use readable name in string format instead.
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/20220920010939.12173-3-pkshih@realtek.com

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

@@ -5727,6 +5727,7 @@ static void _show_bt_info(struct rtw89_dev *rtwdev, struct seq_file *m)
 #define CASE_BTC_ACT_STR(e) case BTC_ACT_ ## e | BTC_ACT_EXT_BIT: return #e
 #define CASE_BTC_POLICY_STR(e) \
 	case BTC_CXP_ ## e | BTC_POLICY_EXT_BIT: return #e
+#define CASE_BTC_SLOT_STR(e) case CXST_ ## e: return #e
 
 static const char *steps_to_str(u16 step)
 {
@@ -5840,6 +5841,32 @@ static const char *steps_to_str(u16 step)
 	}
 }
 
+static const char *id_to_slot(u32 id)
+{
+	switch (id) {
+	CASE_BTC_SLOT_STR(OFF);
+	CASE_BTC_SLOT_STR(B2W);
+	CASE_BTC_SLOT_STR(W1);
+	CASE_BTC_SLOT_STR(W2);
+	CASE_BTC_SLOT_STR(W2B);
+	CASE_BTC_SLOT_STR(B1);
+	CASE_BTC_SLOT_STR(B2);
+	CASE_BTC_SLOT_STR(B3);
+	CASE_BTC_SLOT_STR(B4);
+	CASE_BTC_SLOT_STR(LK);
+	CASE_BTC_SLOT_STR(BLK);
+	CASE_BTC_SLOT_STR(E2G);
+	CASE_BTC_SLOT_STR(E5G);
+	CASE_BTC_SLOT_STR(EBT);
+	CASE_BTC_SLOT_STR(ENULL);
+	CASE_BTC_SLOT_STR(WLK);
+	CASE_BTC_SLOT_STR(W1FDD);
+	CASE_BTC_SLOT_STR(B1FDD);
+	default:
+		return "unknown";
+	}
+}
+
 static
 void seq_print_segment(struct seq_file *m, const char *prefix, u16 *data,
 		       u8 len, u8 seg_len, u8 start_idx, u8 ring_len)
@@ -6239,7 +6266,8 @@ static void _show_fbtc_cysta_v1(struct rtw89_dev *rtwdev, struct seq_file *m)
 		if (!le32_to_cpu(pcysta->slot_cnt[i]))
 			continue;
 
-		seq_printf(m, ", %d:%d", i, le32_to_cpu(pcysta->slot_cnt[i]));
+		seq_printf(m, ", %s:%d", id_to_slot(i),
+			   le32_to_cpu(pcysta->slot_cnt[i]));
 	}
 
 	if (dm->tdma_now.rxflctrl)