diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-calib.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-calib.c | 133 |
1 files changed, 105 insertions, 28 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c index eb052b05e790..90033e8752bb 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c @@ -409,46 +409,34 @@ static int iwl_sens_auto_corr_ofdm(struct iwl_priv *priv, return 0; } -/* Prepare a SENSITIVITY_CMD, send to uCode if values have changed */ -static int iwl_sensitivity_write(struct iwl_priv *priv) +static void iwl_prepare_legacy_sensitivity_tbl(struct iwl_priv *priv, + struct iwl_sensitivity_data *data, + __le16 *tbl) { - struct iwl_sensitivity_cmd cmd ; - struct iwl_sensitivity_data *data = NULL; - struct iwl_host_cmd cmd_out = { - .id = SENSITIVITY_CMD, - .len = sizeof(struct iwl_sensitivity_cmd), - .flags = CMD_ASYNC, - .data = &cmd, - }; - - data = &(priv->sensitivity_data); - - memset(&cmd, 0, sizeof(cmd)); - - cmd.table[HD_AUTO_CORR32_X4_TH_ADD_MIN_INDEX] = + tbl[HD_AUTO_CORR32_X4_TH_ADD_MIN_INDEX] = cpu_to_le16((u16)data->auto_corr_ofdm); - cmd.table[HD_AUTO_CORR32_X4_TH_ADD_MIN_MRC_INDEX] = + tbl[HD_AUTO_CORR32_X4_TH_ADD_MIN_MRC_INDEX] = cpu_to_le16((u16)data->auto_corr_ofdm_mrc); - cmd.table[HD_AUTO_CORR32_X1_TH_ADD_MIN_INDEX] = + tbl[HD_AUTO_CORR32_X1_TH_ADD_MIN_INDEX] = cpu_to_le16((u16)data->auto_corr_ofdm_x1); - cmd.table[HD_AUTO_CORR32_X1_TH_ADD_MIN_MRC_INDEX] = + tbl[HD_AUTO_CORR32_X1_TH_ADD_MIN_MRC_INDEX] = cpu_to_le16((u16)data->auto_corr_ofdm_mrc_x1); - cmd.table[HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX] = + tbl[HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX] = cpu_to_le16((u16)data->auto_corr_cck); - cmd.table[HD_AUTO_CORR40_X4_TH_ADD_MIN_MRC_INDEX] = + tbl[HD_AUTO_CORR40_X4_TH_ADD_MIN_MRC_INDEX] = cpu_to_le16((u16)data->auto_corr_cck_mrc); - cmd.table[HD_MIN_ENERGY_CCK_DET_INDEX] = + tbl[HD_MIN_ENERGY_CCK_DET_INDEX] = cpu_to_le16((u16)data->nrg_th_cck); - cmd.table[HD_MIN_ENERGY_OFDM_DET_INDEX] = + tbl[HD_MIN_ENERGY_OFDM_DET_INDEX] = cpu_to_le16((u16)data->nrg_th_ofdm); - cmd.table[HD_BARKER_CORR_TH_ADD_MIN_INDEX] = + tbl[HD_BARKER_CORR_TH_ADD_MIN_INDEX] = cpu_to_le16(data->barker_corr_th_min); - cmd.table[HD_BARKER_CORR_TH_ADD_MIN_MRC_INDEX] = + tbl[HD_BARKER_CORR_TH_ADD_MIN_MRC_INDEX] = cpu_to_le16(data->barker_corr_th_min_mrc); - cmd.table[HD_OFDM_ENERGY_TH_IN_INDEX] = + tbl[HD_OFDM_ENERGY_TH_IN_INDEX] = cpu_to_le16(data->nrg_th_cca); IWL_DEBUG_CALIB(priv, "ofdm: ac %u mrc %u x1 %u mrc_x1 %u thresh %u\n", @@ -459,6 +447,25 @@ static int iwl_sensitivity_write(struct iwl_priv *priv) IWL_DEBUG_CALIB(priv, "cck: ac %u mrc %u thresh %u\n", data->auto_corr_cck, data->auto_corr_cck_mrc, data->nrg_th_cck); +} + +/* Prepare a SENSITIVITY_CMD, send to uCode if values have changed */ +static int iwl_sensitivity_write(struct iwl_priv *priv) +{ + struct iwl_sensitivity_cmd cmd; + struct iwl_sensitivity_data *data = NULL; + struct iwl_host_cmd cmd_out = { + .id = SENSITIVITY_CMD, + .len = sizeof(struct iwl_sensitivity_cmd), + .flags = CMD_ASYNC, + .data = &cmd, + }; + + data = &(priv->sensitivity_data); + + memset(&cmd, 0, sizeof(cmd)); + + iwl_prepare_legacy_sensitivity_tbl(priv, data, &cmd.table[0]); /* Update uCode's "work" table, and copy it to DSP */ cmd.control = SENSITIVITY_CMD_CONTROL_WORK_TABLE; @@ -477,6 +484,70 @@ static int iwl_sensitivity_write(struct iwl_priv *priv) return iwl_send_cmd(priv, &cmd_out); } +/* Prepare a SENSITIVITY_CMD, send to uCode if values have changed */ +static int iwl_enhance_sensitivity_write(struct iwl_priv *priv) +{ + struct iwl_enhance_sensitivity_cmd cmd; + struct iwl_sensitivity_data *data = NULL; + struct iwl_host_cmd cmd_out = { + .id = SENSITIVITY_CMD, + .len = sizeof(struct iwl_enhance_sensitivity_cmd), + .flags = CMD_ASYNC, + .data = &cmd, + }; + + data = &(priv->sensitivity_data); + + memset(&cmd, 0, sizeof(cmd)); + + iwl_prepare_legacy_sensitivity_tbl(priv, data, &cmd.enhance_table[0]); + + cmd.enhance_table[HD_INA_NON_SQUARE_DET_OFDM_INDEX] = + HD_INA_NON_SQUARE_DET_OFDM_DATA; + cmd.enhance_table[HD_INA_NON_SQUARE_DET_CCK_INDEX] = + HD_INA_NON_SQUARE_DET_CCK_DATA; + cmd.enhance_table[HD_CORR_11_INSTEAD_OF_CORR_9_EN_INDEX] = + HD_CORR_11_INSTEAD_OF_CORR_9_EN_DATA; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_INDEX] = + HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_DATA; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_INDEX] = + HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_DATA; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_SLOPE_INDEX] = + HD_OFDM_NON_SQUARE_DET_SLOPE_DATA; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_INTERCEPT_INDEX] = + HD_OFDM_NON_SQUARE_DET_INTERCEPT_DATA; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_SLOPE_MRC_INDEX] = + HD_CCK_NON_SQUARE_DET_SLOPE_MRC_DATA; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_INDEX] = + HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_DATA; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_SLOPE_INDEX] = + HD_CCK_NON_SQUARE_DET_SLOPE_DATA; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_INTERCEPT_INDEX] = + HD_CCK_NON_SQUARE_DET_INTERCEPT_DATA; + + /* Update uCode's "work" table, and copy it to DSP */ + cmd.control = SENSITIVITY_CMD_CONTROL_WORK_TABLE; + + /* Don't send command to uCode if nothing has changed */ + if (!memcmp(&cmd.enhance_table[0], &(priv->sensitivity_tbl[0]), + sizeof(u16)*HD_TABLE_SIZE) && + !memcmp(&cmd.enhance_table[HD_INA_NON_SQUARE_DET_OFDM_INDEX], + &(priv->enhance_sensitivity_tbl[0]), + sizeof(u16)*ENHANCE_HD_TABLE_ENTRIES)) { + IWL_DEBUG_CALIB(priv, "No change in SENSITIVITY_CMD\n"); + return 0; + } + + /* Copy table for comparison next time */ + memcpy(&(priv->sensitivity_tbl[0]), &(cmd.enhance_table[0]), + sizeof(u16)*HD_TABLE_SIZE); + memcpy(&(priv->enhance_sensitivity_tbl[0]), + &(cmd.enhance_table[HD_INA_NON_SQUARE_DET_OFDM_INDEX]), + sizeof(u16)*ENHANCE_HD_TABLE_ENTRIES); + + return iwl_send_cmd(priv, &cmd_out); +} + void iwl_init_sensitivity(struct iwl_priv *priv) { int ret = 0; @@ -527,7 +598,10 @@ void iwl_init_sensitivity(struct iwl_priv *priv) data->last_bad_plcp_cnt_cck = 0; data->last_fa_cnt_cck = 0; - ret |= iwl_sensitivity_write(priv); + if (priv->enhance_sensitivity_table) + ret |= iwl_enhance_sensitivity_write(priv); + else + ret |= iwl_sensitivity_write(priv); IWL_DEBUG_CALIB(priv, "<<return 0x%X\n", ret); } @@ -633,7 +707,10 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv, iwl_sens_auto_corr_ofdm(priv, norm_fa_ofdm, rx_enable_time); iwl_sens_energy_cck(priv, norm_fa_cck, rx_enable_time, &statis); - iwl_sensitivity_write(priv); + if (priv->enhance_sensitivity_table) + iwl_enhance_sensitivity_write(priv); + else + iwl_sensitivity_write(priv); } static inline u8 find_first_chain(u8 mask) |