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iwlwifi: mvm: support LnP 1x1 antenna configuration 

The antenna configuration has to be read also from OTP
Currently read only from FW image
Guideline: An antenna exists only if appears both in FW image & NVM

Signed-off-by: Moshe Harel <moshe.harel@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Moshe Harel 2014-12-08 21:13:14 +02:00 committed by Emmanuel Grumbach
parent 7074cc4280
commit a054427244
11 changed files with 64 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
View File

@ -468,6 +468,8 @@ static void iwl_set_radio_cfg(const struct iwl_cfg *cfg,
data->radio_cfg_step = NVM_RF_CFG_STEP_MSK_FAMILY_8000(radio_cfg);
data->radio_cfg_dash = NVM_RF_CFG_DASH_MSK_FAMILY_8000(radio_cfg);
data->radio_cfg_pnum = NVM_RF_CFG_FLAVOR_MSK_FAMILY_8000(radio_cfg);
data->valid_tx_ant = NVM_RF_CFG_TX_ANT_MSK_FAMILY_8000(radio_cfg);
data->valid_rx_ant = NVM_RF_CFG_RX_ANT_MSK_FAMILY_8000(radio_cfg);
}
static void iwl_set_hw_address(const struct iwl_cfg *cfg,
@ -592,6 +594,10 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
radio_cfg = iwl_get_radio_cfg(cfg, nvm_sw);
iwl_set_radio_cfg(cfg, data, radio_cfg);
if (data->valid_tx_ant)
tx_chains &= data->valid_tx_ant;
if (data->valid_rx_ant)
rx_chains &= data->valid_rx_ant;
sku = iwl_get_sku(cfg, nvm_sw);
data->sku_cap_band_24GHz_enable = sku & NVM_SKU_CAP_BAND_24GHZ;

2
drivers/net/wireless/iwlwifi/mvm/debugfs.c
View File

@ -933,7 +933,7 @@ iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
return -EINVAL;
if (scan_rx_ant > ANT_ABC)
return -EINVAL;
if (scan_rx_ant & ~mvm->fw->valid_rx_ant)
if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
return -EINVAL;
if (mvm->scan_rx_ant != scan_rx_ant) {

8
drivers/net/wireless/iwlwifi/mvm/fw.c
View File

@ -269,7 +269,7 @@ static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
enum iwl_ucode_type ucode_type = mvm->cur_ucode;
/* Set parameters */
phy_cfg_cmd.phy_cfg = cpu_to_le32(mvm->fw->phy_config);
phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
phy_cfg_cmd.calib_control.event_trigger =
mvm->fw->default_calib[ucode_type].event_trigger;
phy_cfg_cmd.calib_control.flow_trigger =
@ -346,7 +346,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
mvm->calibrating = true;
/* Send TX valid antennas before triggering calibrations */
ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant);
ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
if (ret)
goto error;
@ -489,7 +489,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
mvm->fw_dbg_conf = FW_DBG_INVALID;
iwl_mvm_start_fw_dbg_conf(mvm, FW_DBG_CUSTOM);
ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant);
ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
if (ret)
goto error;
@ -584,7 +584,7 @@ int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
goto error;
}
ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant);
ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
if (ret)
goto error;

2
drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
View File

@ -975,7 +975,7 @@ static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm,
beacon_cmd.tx.tx_flags = cpu_to_le32(tx_flags);
mvm->mgmt_last_antenna_idx =
iwl_mvm_next_antenna(mvm, mvm->fw->valid_tx_ant,
iwl_mvm_next_antenna(mvm, iwl_mvm_get_valid_tx_ant(mvm),
mvm->mgmt_last_antenna_idx);
beacon_cmd.tx.rate_n_flags =

27
drivers/net/wireless/iwlwifi/mvm/mvm.h
View File

@ -937,6 +937,33 @@ int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
{
return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
mvm->fw->valid_tx_ant;
}
static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
{
return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
mvm->fw->valid_rx_ant;
}
static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
{
u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
FW_PHY_CFG_RX_CHAIN);
u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
return mvm->fw->phy_config & phy_config;
}
int iwl_mvm_up(struct iwl_mvm *mvm);
int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);

13
drivers/net/wireless/iwlwifi/mvm/ops.c
View File

@ -139,13 +139,14 @@ static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
u32 reg_val = 0;
u32 phy_config = iwl_mvm_get_phy_config(mvm);
radio_cfg_type = (mvm->fw->phy_config & FW_PHY_CFG_RADIO_TYPE) >>
FW_PHY_CFG_RADIO_TYPE_POS;
radio_cfg_step = (mvm->fw->phy_config & FW_PHY_CFG_RADIO_STEP) >>
FW_PHY_CFG_RADIO_STEP_POS;
radio_cfg_dash = (mvm->fw->phy_config & FW_PHY_CFG_RADIO_DASH) >>
FW_PHY_CFG_RADIO_DASH_POS;
radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
FW_PHY_CFG_RADIO_TYPE_POS;
radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
FW_PHY_CFG_RADIO_STEP_POS;
radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
FW_PHY_CFG_RADIO_DASH_POS;
/* SKU control */
reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) <<

2
drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c
View File

@ -176,7 +176,7 @@ static void iwl_mvm_phy_ctxt_cmd_data(struct iwl_mvm *mvm,
cmd->rxchain_info |= cpu_to_le32(active_cnt <<
PHY_RX_CHAIN_MIMO_CNT_POS);
cmd->txchain_info = cpu_to_le32(mvm->fw->valid_tx_ant);
cmd->txchain_info = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm));
}
/*

22
drivers/net/wireless/iwlwifi/mvm/rs.c
View File

@ -173,7 +173,7 @@ static bool rs_mimo_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
if (sta->smps_mode == IEEE80211_SMPS_STATIC)
return false;
if (num_of_ant(mvm->fw->valid_tx_ant) < 2)
if (num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) < 2)
return false;
if (!iwl_mvm_bt_coex_is_mimo_allowed(mvm, sta))
@ -1004,7 +1004,7 @@ static void rs_get_lower_rate_down_column(struct iwl_lq_sta *lq_sta,
}
if (num_of_ant(rate->ant) > 1)
rate->ant = first_antenna(mvm->fw->valid_tx_ant);
rate->ant = first_antenna(iwl_mvm_get_valid_tx_ant(mvm));
/* Relevant in both switching to SISO or Legacy */
rate->sgi = false;
@ -1567,7 +1567,7 @@ static enum rs_column rs_get_next_column(struct iwl_mvm *mvm,
const struct rs_tx_column *curr_col = &rs_tx_columns[tbl->column];
const struct rs_tx_column *next_col;
allow_column_func_t allow_func;
u8 valid_ants = mvm->fw->valid_tx_ant;
u8 valid_ants = iwl_mvm_get_valid_tx_ant(mvm);
const u16 *expected_tpt_tbl;
u16 tpt, max_expected_tpt;
@ -2385,7 +2385,7 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm,
int i, nentries;
s8 best_rssi = S8_MIN;
u8 best_ant = ANT_NONE;
u8 valid_tx_ant = mvm->fw->valid_tx_ant;
u8 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
const struct rs_init_rate_info *initial_rates;
for (i = 0; i < ARRAY_SIZE(lq_sta->pers.chain_signal); i++) {
@ -2745,7 +2745,7 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
lq_sta->ldpc = true;
if (mvm->cfg->ht_params->stbc &&
(num_of_ant(mvm->fw->valid_tx_ant) > 1) &&
(num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) > 1) &&
(ht_cap->cap & IEEE80211_HT_CAP_RX_STBC))
lq_sta->stbc = true;
} else {
@ -2757,7 +2757,7 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
lq_sta->ldpc = true;
if (mvm->cfg->ht_params->stbc &&
(num_of_ant(mvm->fw->valid_tx_ant) > 1) &&
(num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) > 1) &&
(vht_cap->cap & IEEE80211_VHT_CAP_RXSTBC_MASK))
lq_sta->stbc = true;
}
@ -2785,7 +2785,7 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
/* These values will be overridden later */
lq_sta->lq.single_stream_ant_msk =
first_antenna(mvm->fw->valid_tx_ant);
first_antenna(iwl_mvm_get_valid_tx_ant(mvm));
lq_sta->lq.dual_stream_ant_msk = ANT_AB;
/* as default allow aggregation for all tids */
@ -2913,7 +2913,7 @@ static void rs_build_rates_table(struct iwl_mvm *mvm,
memcpy(&rate, initial_rate, sizeof(rate));
valid_tx_ant = mvm->fw->valid_tx_ant;
valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
rate.stbc = rs_stbc_allow(mvm, sta, lq_sta);
if (is_siso(&rate)) {
@ -3167,9 +3167,9 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
desc += sprintf(buff+desc, "fixed rate 0x%X\n",
lq_sta->pers.dbg_fixed_rate);
desc += sprintf(buff+desc, "valid_tx_ant %s%s%s\n",
(mvm->fw->valid_tx_ant & ANT_A) ? "ANT_A," : "",
(mvm->fw->valid_tx_ant & ANT_B) ? "ANT_B," : "",
(mvm->fw->valid_tx_ant & ANT_C) ? "ANT_C" : "");
(iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
(iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "",
(iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : "");
desc += sprintf(buff+desc, "lq type %s\n",
(is_legacy(rate)) ? "legacy" :
is_vht(rate) ? "VHT" : "HT");

6
drivers/net/wireless/iwlwifi/mvm/scan.c
View File

@ -97,7 +97,7 @@ static u8 iwl_mvm_scan_rx_ant(struct iwl_mvm *mvm)
{
if (mvm->scan_rx_ant != ANT_NONE)
return mvm->scan_rx_ant;
return mvm->fw->valid_rx_ant;
return iwl_mvm_get_valid_rx_ant(mvm);
}
static inline __le16 iwl_mvm_scan_rx_chain(struct iwl_mvm *mvm)
@ -128,7 +128,7 @@ iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum ieee80211_band band,
u32 tx_ant;
mvm->scan_last_antenna_idx =
iwl_mvm_next_antenna(mvm, mvm->fw->valid_tx_ant,
iwl_mvm_next_antenna(mvm, iwl_mvm_get_valid_tx_ant(mvm),
mvm->scan_last_antenna_idx);
tx_ant = BIT(mvm->scan_last_antenna_idx) << RATE_MCS_ANT_POS;
@ -1603,7 +1603,7 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm)
SCAN_CONFIG_FLAG_SET_MAC_ADDR |
SCAN_CONFIG_FLAG_SET_CHANNEL_FLAGS|
SCAN_CONFIG_N_CHANNELS(num_channels));
scan_config->tx_chains = cpu_to_le32(mvm->fw->valid_tx_ant);
scan_config->tx_chains = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm));
scan_config->rx_chains = cpu_to_le32(iwl_mvm_scan_rx_ant(mvm));
scan_config->legacy_rates = iwl_mvm_scan_config_rates(mvm);
scan_config->out_of_channel_time = cpu_to_le32(170);

2
drivers/net/wireless/iwlwifi/mvm/tx.c
View File

@ -209,7 +209,7 @@ void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
rate_plcp = iwl_mvm_mac80211_idx_to_hwrate(rate_idx);
mvm->mgmt_last_antenna_idx =
iwl_mvm_next_antenna(mvm, mvm->fw->valid_tx_ant,
iwl_mvm_next_antenna(mvm, iwl_mvm_get_valid_tx_ant(mvm),
mvm->mgmt_last_antenna_idx);
if (info->band == IEEE80211_BAND_2GHZ &&

4
drivers/net/wireless/iwlwifi/mvm/utils.c
View File

@ -620,7 +620,7 @@ void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
lockdep_assert_held(&mvm->mutex);
/* SMPS is irrelevant for NICs that don't have at least 2 RX antenna */
if (num_of_ant(mvm->fw->valid_rx_ant) == 1)
if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm)) == 1)
return;
if (vif->type == NL80211_IFTYPE_AP)
@ -662,7 +662,7 @@ bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm)
lockdep_assert_held(&mvm->mutex);
if (num_of_ant(mvm->fw->valid_rx_ant) == 1)
if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm)) == 1)
return false;
if (!mvm->cfg->rx_with_siso_diversity)