75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
#pragma once
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#include <stdint.h>
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#include <osmocom/core/timer.h>
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/* our unit is 'milli dB" or "milli dBm", i.e. 1/1000 of a dB(m) */
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#define to_mdB(x) (x * 1000)
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/* PA calibration table */
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struct pa_calibration {
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int gain_mdB[1024]; /* gain provided at given ARFCN */
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/* FIXME: thermal calibration */
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};
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/* representation of a RF power amplifier */
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struct power_amp {
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/* nominal gain of the PA */
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int nominal_gain_mdB;
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/* table with calibrated actual gain for each ARFCN */
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struct pa_calibration calib;
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};
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/* Transmit power related parameters of a transceiver */
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struct trx_power_params {
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/* specified maximum output of TRX at full power, has to be
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* initialized by BTS model at startup*/
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int trx_p_max_out_mdBm;
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/* intended current total system output power */
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int p_total_tgt_mdBm;
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/* actual current total system output power, filled in by tx_power code */
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int p_total_cur_mdBm;
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/* current temporary attenuation due to thermal management,
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* set by thermal management code via control interface */
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int thermal_attenuation_mdB;
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/* external gain (+) or attenuation (-) added by the user, configured
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* by the user via VTY */
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int user_gain_mdB;
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/* calibration table of internal PA */
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struct power_amp pa;
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/* calibration table of user PA */
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struct power_amp user_pa;
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/* power ramping related data */
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struct {
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/* maximum initial Pout including all PAs */
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int max_initial_pout_mdBm;
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/* temporary attenuation due to power ramping */
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int attenuation_mdB;
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unsigned int step_size_mdB;
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unsigned int step_interval_sec;
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struct osmo_timer_list step_timer;
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} ramp;
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};
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int get_p_max_out_mdBm(struct gsm_bts_trx *trx);
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int get_p_nominal_mdBm(struct gsm_bts_trx *trx);
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int get_p_target_mdBm(struct gsm_bts_trx *trx, uint8_t bs_power_ie);
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int get_p_target_mdBm_lchan(struct gsm_lchan *lchan);
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int get_p_trxout_target_mdBm(struct gsm_bts_trx *trx, uint8_t bs_power_ie);
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int get_p_trxout_target_mdBm_lchan(struct gsm_lchan *lchan);
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int get_p_trxout_actual_mdBm(struct gsm_bts_trx *trx, uint8_t bs_power_ie);
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int get_p_trxout_actual_mdBm_lchan(struct gsm_lchan *lchan);
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int power_ramp_start(struct gsm_bts_trx *trx, int p_total_tgt_mdBm, int bypass);
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