#pragma once

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <linux/if_packet.h>

#include <osmocom/core/write_queue.h>
#include <osmocom/core/timer.h>

#include <osmocom/gsm/gsm_utils.h>
#include <osmocom/gsm/protocol/gsm_04_08.h>

#include <osmo-bts/gsm_data.h>

#include <octphy/octvc1/gsm/octvc1_gsm_api.h>

struct octphy_hdl {
	/* packet socket to talk with PHY */
	struct osmo_wqueue phy_wq;
	/* MAC address of th PHY */
	struct sockaddr_ll phy_addr;
	/* Network device name */
	char *netdev_name;

	/* address parameters of the PHY */
	uint32_t session_id;
	uint32_t next_trans_id;
	uint32_t socket_id;

	/* clock manager state */
	uint32_t clkmgr_state;

	struct {
		uint32_t rf_port_index;
		uint32_t rx_gain_db;
		uint32_t tx_atten_db;
	} config;

	struct llist_head wlc_list;

	/* private pointer, points back to TRX */
	void *priv;

	struct osmo_timer_list alive_timer;
	uint32_t alive_prim_cnt;
};

static inline struct octphy_hdl *trx_octphy_hdl(struct gsm_bts_trx *trx)
{
	return trx->role_bts.l1h;
}

void l1if_fill_msg_hdr(tOCTVC1_MSG_HEADER *mh, struct msgb *msg,
			struct octphy_hdl *fl1h, uint32_t msg_type, uint32_t api_cmd);

typedef int l1if_compl_cb(struct gsm_bts_trx *trx, struct msgb *l1_msg, void *data);

/* send a request primitive to the L1 and schedule completion call-back */
int l1if_req_compl(struct octphy_hdl *fl1h, struct msgb *msg,
		   l1if_compl_cb *cb, void *data);

#include <octphy/octvc1/gsm/octvc1_gsm_api.h>
struct gsm_lchan *get_lchan_by_lchid(struct gsm_bts_trx *trx,
				tOCTVC1_GSM_LOGICAL_CHANNEL_ID *lch_id);

int l1if_open(struct octphy_hdl *fl1h);
int l1if_close(struct octphy_hdl *hdl);

int l1if_trx_open(struct gsm_bts_trx *trx);
int l1if_trx_close_all(struct gsm_bts *bts);
int l1if_enable_events(struct gsm_bts_trx *trx);

int l1if_activate_rf(struct octphy_hdl *fl1h, int on);

int l1if_tch_rx(struct gsm_bts_trx *trx, uint8_t chan_nr,
		tOCTVC1_GSM_MSG_TRX_LOGICAL_CHANNEL_DATA_INDICATION_EVT *
		data_ind);

struct msgb *l1p_msgb_alloc(void);

/* tch.c */
void l1if_tch_encode(struct gsm_lchan *lchan, uint32_t *payload_type,
		     uint8_t *data, uint32_t *len, const uint8_t *rtp_pl,
		     unsigned int rtp_pl_len);

tOCTVC1_RADIO_STANDARD_FREQ_BAND_GSM_ENUM
osmocom_to_octphy_band(enum gsm_band osmo_band, unsigned int arfcn);