/*
 * The structures and functions defined in this header file deal with
 * submultiplexing on the Abis interface.
 */

#pragma once

#include <stdint.h>
#include <stdbool.h>

#include <osmocom/core/bits.h>
#include <osmocom/core/fsm.h>
#include <osmocom/isdn/i460_mux.h>

#define	ABIS_SUBSLOTS	4

struct abis_subslot {
	struct osmo_i460_subchan *schan;
	struct osmo_fsm_inst *sync;
	int nr;
	bool got_sync;
	uint8_t frame_type;
};

extern struct abis_subslot subslots[ABIS_SUBSLOTS];

void i460_rx_func(struct osmo_i460_subchan *schan, void *user_data,
		  const ubit_t *bits, unsigned int num_bits);
void sync_rx_func(void *user_data, const ubit_t *bits, unsigned int num_bits);