int bladerf_lms_set_dc_cals(struct bladerf *dev, const struct bladerf_lms_dc_cals *dc_cals) { int status; MUTEX_LOCK(&dev->ctrl_lock); status = lms_set_dc_cals(dev, dc_cals); MUTEX_UNLOCK(&dev->ctrl_lock); return status; }
static inline int apply_lms_dc_cals(struct bladerf *dev) { int status = 0; struct bladerf_lms_dc_cals cals; const bool have_rx = BLADERF_HAS_RX_DC_CAL(dev); const bool have_tx = BLADERF_HAS_TX_DC_CAL(dev); cals.lpf_tuning = -1; cals.tx_lpf_i = -1; cals.tx_lpf_q = -1; cals.rx_lpf_i = -1; cals.rx_lpf_q = -1; cals.dc_ref = -1; cals.rxvga2a_i = -1; cals.rxvga2a_q = -1; cals.rxvga2b_i = -1; cals.rxvga2b_q = -1; if (have_rx) { const struct bladerf_lms_dc_cals *reg_vals = &dev->cal.dc_rx->reg_vals; cals.lpf_tuning = reg_vals->lpf_tuning; cals.rx_lpf_i = reg_vals->rx_lpf_i; cals.rx_lpf_q = reg_vals->rx_lpf_q; cals.dc_ref = reg_vals->dc_ref; cals.rxvga2a_i = reg_vals->rxvga2a_i; cals.rxvga2a_q = reg_vals->rxvga2a_q; cals.rxvga2b_i = reg_vals->rxvga2b_i; cals.rxvga2b_q = reg_vals->rxvga2b_q; } if (have_tx) { const struct bladerf_lms_dc_cals *reg_vals = &dev->cal.dc_tx->reg_vals; cals.tx_lpf_i = reg_vals->tx_lpf_i; cals.tx_lpf_q = reg_vals->tx_lpf_q; if (have_rx) { if (cals.lpf_tuning != reg_vals->lpf_tuning) { log_warning("LPF tuning mismatch in tables. " "RX=0x%04x, TX=0x%04x", cals.lpf_tuning, reg_vals->lpf_tuning); } } else { /* Have TX cal but no RX cal -- use the RX values that came along * for the ride when the TX table was generated */ cals.rx_lpf_i = reg_vals->rx_lpf_i; cals.rx_lpf_q = reg_vals->rx_lpf_q; cals.dc_ref = reg_vals->dc_ref; cals.rxvga2a_i = reg_vals->rxvga2a_i; cals.rxvga2a_q = reg_vals->rxvga2a_q; cals.rxvga2b_i = reg_vals->rxvga2b_i; cals.rxvga2b_q = reg_vals->rxvga2b_q; } } /* No TX table was loaded, so load LMS TX register cals from the RX table, * if available */ if (have_rx && !have_tx) { const struct bladerf_lms_dc_cals *reg_vals = &dev->cal.dc_rx->reg_vals; cals.tx_lpf_i = reg_vals->tx_lpf_i; cals.tx_lpf_q = reg_vals->tx_lpf_q; } if (have_rx || have_tx) { status = lms_set_dc_cals(dev, &cals); /* Force a re-tune so that we can apply the appropriate I/Q DC offset * values from our calibration table */ if (status == 0) { int rx_status = 0; int tx_status = 0; if (have_rx) { unsigned int rx_f; rx_status = tuning_get_freq(dev, BLADERF_MODULE_RX, &rx_f); if (rx_status == 0) { rx_status = tuning_set_freq(dev, BLADERF_MODULE_RX, rx_f); } } if (have_tx) { unsigned int rx_f; rx_status = tuning_get_freq(dev, BLADERF_MODULE_RX, &rx_f); if (rx_status == 0) { rx_status = tuning_set_freq(dev, BLADERF_MODULE_RX, rx_f); } } /* Report the first of any failures */ status = (rx_status == 0) ? tx_status : rx_status; } } return status; }