/**
 *
 * \section COPYRIGHT
 *
 * Copyright 2013-2020 Software Radio Systems Limited
 *
 * By using this file, you agree to the terms and conditions set
 * forth in the LICENSE file which can be found at the top level of
 * the distribution.
 *
 */

#ifndef SRSLTE_UE_DL_NR_H
#define SRSLTE_UE_DL_NR_H

#include "srslte/phy/ch_estimation/dmrs_pdcch.h"
#include "srslte/phy/common/phy_common_nr.h"
#include "srslte/phy/dft/ofdm.h"
#include "srslte/phy/phch/dci_nr.h"
#include "srslte/phy/phch/pdcch_nr.h"
#include "srslte/phy/phch/pdsch_nr.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct SRSLTE_API {
  srslte_pdsch_nr_args_t pdsch;
  srslte_pdcch_nr_args_t pdcch;
  uint32_t               nof_rx_antennas;
  uint32_t               nof_max_prb;
  float                  pdcch_dmrs_corr_thr;
} srslte_ue_dl_nr_args_t;

typedef struct SRSLTE_API {
  uint32_t max_prb;
  uint32_t nof_rx_antennas;
  float    pdcch_dmrs_corr_thr;
  float    pdcch_dmrs_epre_thr;

  srslte_carrier_nr_t carrier;
  srslte_coreset_t    coreset;

  srslte_ofdm_t fft[SRSLTE_MAX_PORTS];

  cf_t*                 sf_symbols[SRSLTE_MAX_PORTS];
  srslte_chest_dl_res_t chest;
  srslte_pdsch_nr_t     pdsch;
  srslte_dmrs_pdsch_t   dmrs_pdsch;

  srslte_dmrs_pdcch_estimator_t dmrs_pdcch;
  srslte_pdcch_nr_t             pdcch;
  srslte_dmrs_pdcch_ce_t*       pdcch_ce;
} srslte_ue_dl_nr_t;

SRSLTE_API int
srslte_ue_dl_nr_init(srslte_ue_dl_nr_t* q, cf_t* input[SRSLTE_MAX_PORTS], const srslte_ue_dl_nr_args_t* args);

SRSLTE_API int srslte_ue_dl_nr_set_carrier(srslte_ue_dl_nr_t* q, const srslte_carrier_nr_t* carrier);

SRSLTE_API int srslte_ue_dl_nr_set_coreset(srslte_ue_dl_nr_t* q, const srslte_coreset_t* coreset);

SRSLTE_API void srslte_ue_dl_nr_free(srslte_ue_dl_nr_t* q);

SRSLTE_API void srslte_ue_dl_nr_estimate_fft(srslte_ue_dl_nr_t* q, const srslte_dl_slot_cfg_t* slot_cfg);

SRSLTE_API int srslte_ue_dl_nr_find_dl_dci(srslte_ue_dl_nr_t*           q,
                                           const srslte_search_space_t* search_space,
                                           const srslte_dl_slot_cfg_t*  slot_cfg,
                                           uint16_t                     rnti,
                                           srslte_dci_dl_nr_t*          dci_dl_list,
                                           uint32_t                     nof_dci_msg);

SRSLTE_API int srslte_ue_dl_nr_pdsch_get(srslte_ue_dl_nr_t*             q,
                                         const srslte_dl_slot_cfg_t*    slot,
                                         const srslte_pdsch_cfg_nr_t*   cfg,
                                         const srslte_pdsch_grant_nr_t* grant,
                                         srslte_pdsch_res_nr_t*         res);

SRSLTE_API int srslte_ue_dl_nr_pdsch_info(const srslte_ue_dl_nr_t*       q,
                                          const srslte_pdsch_cfg_nr_t*   cfg,
                                          const srslte_pdsch_grant_nr_t* grant,
                                          const srslte_pdsch_res_nr_t    res[SRSLTE_MAX_CODEWORDS],
                                          char*                          str,
                                          uint32_t                       str_len);

#ifdef __cplusplus
}
#endif

#endif // SRSLTE_UE_DL_NR_H