diff --git a/src/bts.h b/src/bts.h
index 4babd25..8e88bc9 100644
--- a/src/bts.h
+++ b/src/bts.h
@@ -39,7 +39,17 @@
  * PDCH instance
  */
 struct gprs_rlcmac_pdch {
-	uint8_t enable; /* TS is enabled */
+#ifdef __cplusplus
+	/* TODO: the PDCH should know the trx/ts it belongs to */
+	void free_resources(uint8_t trx, uint8_t ts);
+
+	bool is_enabled() const;
+
+	void enable();
+	void disable();
+#endif
+
+	uint8_t m_is_enabled; /* TS is enabled */
 	uint8_t tsc; /* TSC of this slot */
 	uint8_t next_ul_tfi; /* next uplink TBF/TFI to schedule (0..31) */
 	uint8_t next_dl_tfi; /* next downlink TBF/TFI to schedule (0..31) */
@@ -135,4 +145,9 @@
 	struct gprs_rlcmac_bts *bts_main_data();
 #ifdef __cplusplus
 }
+
+inline bool gprs_rlcmac_pdch::is_enabled() const
+{
+	return m_is_enabled;
+}
 #endif