1 files changed, 43 insertions, 0 deletions
diff --git a/include/osmo-bts/asci.h b/include/osmo-bts/asci.h
new file mode 100644
index 00000000..99802962
--- /dev/null
+++ b/include/osmo-bts/asci.h
@@ -0,0 +1,43 @@
+#pragma once
+#include <stdint.h>
+
+#include <osmo-bts/lchan.h>
+
+enum {
+	VGCS_TALKER_NONE = 0,
+	VGCS_TALKER_WAIT_FRAME,
+	VGCS_TALKER_ACTIVE,
+};
+
+void vgcs_rach(struct gsm_lchan *lchan, uint8_t ra, uint8_t acc_delay, uint32_t fn);
+
+void vgcs_lchan_activate(struct gsm_lchan *lchan);
+
+void vgcs_lchan_react(struct gsm_lchan *lchan);
+
+void vgcs_talker_frame(struct gsm_lchan *lchan);
+
+void vgcs_talker_reset(struct gsm_lchan *lchan, bool ul_access);
+
+void vgcs_listener_reset(struct gsm_lchan *lchan);
+
+static inline bool vgcs_is_uplink_free(struct gsm_lchan *lchan)
+{
+	return lchan->asci.uplink_free;
+}
+
+static inline void vgcs_uplink_free_get(struct gsm_lchan *lchan, uint8_t *msg)
+{
+	memcpy(msg, lchan->asci.uplink_free_msg, GSM_MACBLOCK_LEN);
+}
+
+static inline void vgcs_uplink_free_set(struct gsm_lchan *lchan, uint8_t *msg)
+{
+	memcpy(lchan->asci.uplink_free_msg, msg, GSM_MACBLOCK_LEN);
+	lchan->asci.uplink_free = true;
+}
+
+static inline void vgcs_uplink_free_reset(struct gsm_lchan *lchan)
+{
+	lchan->asci.uplink_free = false;
+}