priv->calib_results[i].buf_len = 0;
}
}
+EXPORT_SYMBOL(iwl_calib_free_results);
/*****************************************************************************
* RUNTIME calibrations framework
cpu_to_le16((u16)data->nrg_th_ofdm);
cmd.table[HD_BARKER_CORR_TH_ADD_MIN_INDEX] =
- cpu_to_le16(190);
+ cpu_to_le16(data->barker_corr_th_min);
cmd.table[HD_BARKER_CORR_TH_ADD_MIN_MRC_INDEX] =
- cpu_to_le16(390);
+ cpu_to_le16(data->barker_corr_th_min_mrc);
cmd.table[HD_OFDM_ENERGY_TH_IN_INDEX] =
- cpu_to_le16(62);
+ cpu_to_le16(data->nrg_th_cca);
IWL_DEBUG_CALIB(priv, "ofdm: ac %u mrc %u x1 %u mrc_x1 %u thresh %u\n",
data->auto_corr_ofdm, data->auto_corr_ofdm_mrc,
for (i = 0; i < NRG_NUM_PREV_STAT_L; i++)
data->nrg_silence_rssi[i] = 0;
- data->auto_corr_ofdm = 90;
+ data->auto_corr_ofdm = ranges->auto_corr_min_ofdm;
data->auto_corr_ofdm_mrc = ranges->auto_corr_min_ofdm_mrc;
data->auto_corr_ofdm_x1 = ranges->auto_corr_min_ofdm_x1;
data->auto_corr_ofdm_mrc_x1 = ranges->auto_corr_min_ofdm_mrc_x1;
data->auto_corr_cck_mrc = ranges->auto_corr_min_cck_mrc;
data->nrg_th_cck = ranges->nrg_th_cck;
data->nrg_th_ofdm = ranges->nrg_th_ofdm;
+ data->barker_corr_th_min = ranges->barker_corr_th_min;
+ data->barker_corr_th_min_mrc = ranges->barker_corr_th_min_mrc;
+ data->nrg_th_cca = ranges->nrg_th_cca;
data->last_bad_plcp_cnt_ofdm = 0;
data->last_fa_cnt_ofdm = 0;
}
EXPORT_SYMBOL(iwl_sensitivity_calibration);
+static inline u8 find_first_chain(u8 mask)
+{
+ if (mask & ANT_A)
+ return CHAIN_A;
+ if (mask & ANT_B)
+ return CHAIN_B;
+ return CHAIN_C;
+}
+
/*
* Accumulate 20 beacons of signal and noise statistics for each of
* 3 receivers/antennas/rx-chains, then figure out:
u8 num_tx_chains;
unsigned long flags;
struct statistics_rx_non_phy *rx_info = &(stat_resp->rx.general);
+ u8 first_chain;
if (priv->disable_chain_noise_cal)
return;
data = &(priv->chain_noise_data);
- /* Accumulate just the first 20 beacons after the first association,
- * then we're done forever. */
+ /*
+ * Accumulate just the first "chain_noise_num_beacons" after
+ * the first association, then we're done forever.
+ */
if (data->state != IWL_CHAIN_NOISE_ACCUMULATE) {
if (data->state == IWL_CHAIN_NOISE_ALIVE)
IWL_DEBUG_CALIB(priv, "Wait for noise calib reset\n");
return;
}
- /* Accumulate beacon statistics values across 20 beacons */
+ /*
+ * Accumulate beacon statistics values across
+ * "chain_noise_num_beacons"
+ */
chain_noise_a = le32_to_cpu(rx_info->beacon_silence_rssi_a) &
IN_BAND_FILTER;
chain_noise_b = le32_to_cpu(rx_info->beacon_silence_rssi_b) &
IWL_DEBUG_CALIB(priv, "chain_noise: a %d b %d c %d\n",
chain_noise_a, chain_noise_b, chain_noise_c);
- /* If this is the 20th beacon, determine:
+ /* If this is the "chain_noise_num_beacons", determine:
* 1) Disconnected antennas (using signal strengths)
* 2) Differential gain (using silence noise) to balance receivers */
- if (data->beacon_count != CAL_NUM_OF_BEACONS)
+ if (data->beacon_count != priv->cfg->chain_noise_num_beacons)
return;
/* Analyze signal for disconnected antenna */
- average_sig[0] = (data->chain_signal_a) / CAL_NUM_OF_BEACONS;
- average_sig[1] = (data->chain_signal_b) / CAL_NUM_OF_BEACONS;
- average_sig[2] = (data->chain_signal_c) / CAL_NUM_OF_BEACONS;
+ average_sig[0] =
+ (data->chain_signal_a) / priv->cfg->chain_noise_num_beacons;
+ average_sig[1] =
+ (data->chain_signal_b) / priv->cfg->chain_noise_num_beacons;
+ average_sig[2] =
+ (data->chain_signal_c) / priv->cfg->chain_noise_num_beacons;
if (average_sig[0] >= average_sig[1]) {
max_average_sig = average_sig[0];
/* there is a Tx antenna connected */
break;
if (num_tx_chains == priv->hw_params.tx_chains_num &&
- data->disconn_array[i]) {
- /* This is the last TX antenna and is also
- * disconnected connect it anyway */
- data->disconn_array[i] = 0;
- active_chains |= ant_msk;
- IWL_DEBUG_CALIB(priv, "All Tx chains are disconnected W/A - "
- "declare %d as connected\n", i);
+ data->disconn_array[i]) {
+ /*
+ * If all chains are disconnected
+ * connect the first valid tx chain
+ */
+ first_chain =
+ find_first_chain(priv->cfg->valid_tx_ant);
+ data->disconn_array[first_chain] = 0;
+ active_chains |= BIT(first_chain);
+ IWL_DEBUG_CALIB(priv, "All Tx chains are disconnected W/A - declare %d as connected\n",
+ first_chain);
break;
}
}
active_chains);
/* Analyze noise for rx balance */
- average_noise[0] = ((data->chain_noise_a)/CAL_NUM_OF_BEACONS);
- average_noise[1] = ((data->chain_noise_b)/CAL_NUM_OF_BEACONS);
- average_noise[2] = ((data->chain_noise_c)/CAL_NUM_OF_BEACONS);
+ average_noise[0] =
+ ((data->chain_noise_a) / priv->cfg->chain_noise_num_beacons);
+ average_noise[1] =
+ ((data->chain_noise_b) / priv->cfg->chain_noise_num_beacons);
+ average_noise[2] =
+ ((data->chain_noise_c) / priv->cfg->chain_noise_num_beacons);
for (i = 0; i < NUM_RX_CHAINS; i++) {
if (!(data->disconn_array[i]) &&
if (priv->cfg->ops->utils->gain_computation)
priv->cfg->ops->utils->gain_computation(priv, average_noise,
- min_average_noise_antenna_i, min_average_noise);
+ min_average_noise_antenna_i, min_average_noise,
+ find_first_chain(priv->cfg->valid_rx_ant));
/* Some power changes may have been made during the calibration.
* Update and commit the RXON
/* Ask for statistics now, the uCode will send notification
* periodically after association */
- iwl_send_statistics_request(priv, CMD_ASYNC);
+ iwl_send_statistics_request(priv, CMD_ASYNC, true);
}
EXPORT_SYMBOL(iwl_reset_run_time_calib);
projects / karo-tx-linux.git / blobdiff