int bladerf_get_frequency(struct bladerf *dev,
bladerf_module module, unsigned int *frequency)
{
int status;
MUTEX_LOCK(&dev->ctrl_lock);
status = tuning_get_freq(dev, module, frequency);
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;
}
