/**
 * Copyright 2013-2020 Software Radio Systems Limited
 *
 * This file is part of srsLTE.
 *
 * srsLTE is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * srsLTE is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * A copy of the GNU Affero General Public License can be found in
 * the LICENSE file in the top-level directory of this distribution
 * and at http://www.gnu.org/licenses/.
 *
 */

#ifndef SRSLTE_ENB_DL_NR_H
#define SRSLTE_ENB_DL_NR_H

#include "srslte/phy/common/phy_common_nr.h"
#include "srslte/phy/dft/ofdm.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_tx_antennas;
  uint32_t               nof_max_prb;
} srslte_enb_dl_nr_args_t;

typedef struct SRSLTE_API {
  uint32_t            max_prb;
  uint32_t            nof_tx_antennas;
  srslte_carrier_nr_t carrier;
  srslte_coreset_t    coreset;

  srslte_ofdm_t fft[SRSLTE_MAX_PORTS];

  cf_t*               sf_symbols[SRSLTE_MAX_PORTS];
  srslte_pdsch_nr_t   pdsch;
  srslte_dmrs_pdsch_t dmrs;

  srslte_pdcch_nr_t pdcch;
} srslte_enb_dl_nr_t;

SRSLTE_API int
srslte_enb_dl_nr_init(srslte_enb_dl_nr_t* q, cf_t* output[SRSLTE_MAX_PORTS], const srslte_enb_dl_nr_args_t* args);

SRSLTE_API int srslte_enb_dl_nr_set_carrier(srslte_enb_dl_nr_t* q, const srslte_carrier_nr_t* carrier);

SRSLTE_API int srslte_enb_dl_nr_set_coreset(srslte_enb_dl_nr_t* q, const srslte_coreset_t* coreset);

SRSLTE_API void srslte_enb_dl_nr_free(srslte_enb_dl_nr_t* q);

SRSLTE_API int srslte_enb_dl_nr_base_zero(srslte_enb_dl_nr_t* q);

SRSLTE_API void srslte_enb_dl_nr_gen_signal(srslte_enb_dl_nr_t* q);

SRSLTE_API int srslte_enb_dl_nr_pdcch_put(srslte_enb_dl_nr_t*          q,
                                          const srslte_dl_slot_cfg_t*  slot_cfg,
                                          const srslte_search_space_t* search_space,
                                          const srslte_dci_dl_nr_t*    dci_dl,
                                          const srslte_dci_location_t* dci_location,
                                          uint16_t                     rnti);

SRSLTE_API int srslte_enb_dl_nr_pdsch_put(srslte_enb_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,
                                          uint8_t*                       data[SRSLTE_MAX_TB]);

SRSLTE_API int srslte_enb_dl_nr_pdsch_info(const srslte_enb_dl_nr_t*      q,
                                           const srslte_pdsch_cfg_nr_t*   cfg,
                                           const srslte_pdsch_grant_nr_t* grant,
                                           char*                          str,
                                           uint32_t                       str_len);

#ifdef __cplusplus
}
#endif

#endif // SRSLTE_ENB_DL_NR_H