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path: root/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-nvm-parse.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-nvm-parse.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
index 6199a0a597a6..acd2665afb8c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
@@ -89,6 +89,7 @@ enum nvm_sku_bits {
NVM_SKU_CAP_BAND_24GHZ = BIT(0),
NVM_SKU_CAP_BAND_52GHZ = BIT(1),
NVM_SKU_CAP_11N_ENABLE = BIT(2),
+ NVM_SKU_CAP_11AC_ENABLE = BIT(3),
};
/* radio config bits (actual values from NVM definition) */
@@ -258,8 +259,6 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg,
struct iwl_nvm_data *data,
struct ieee80211_sta_vht_cap *vht_cap)
{
- /* For now, assume new devices with NVM are VHT capable */
-
vht_cap->vht_supported = true;
vht_cap->cap = IEEE80211_VHT_CAP_SHORT_GI_80 |
@@ -292,7 +291,8 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg,
}
static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
- struct iwl_nvm_data *data, const __le16 *nvm_sw)
+ struct iwl_nvm_data *data, const __le16 *nvm_sw,
+ bool enable_vht, u8 tx_chains, u8 rx_chains)
{
int n_channels = iwl_init_channel_map(dev, cfg, data,
&nvm_sw[NVM_CHANNELS]);
@@ -305,7 +305,8 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
sband->n_bitrates = N_RATES_24;
n_used += iwl_init_sband_channels(data, sband, n_channels,
IEEE80211_BAND_2GHZ);
- iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_2GHZ);
+ iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_2GHZ,
+ tx_chains, rx_chains);
sband = &data->bands[IEEE80211_BAND_5GHZ];
sband->band = IEEE80211_BAND_5GHZ;
@@ -313,8 +314,10 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
sband->n_bitrates = N_RATES_52;
n_used += iwl_init_sband_channels(data, sband, n_channels,
IEEE80211_BAND_5GHZ);
- iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ);
- iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap);
+ iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ,
+ tx_chains, rx_chains);
+ if (enable_vht)
+ iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap);
if (n_channels != n_used)
IWL_ERR_DEV(dev, "NVM: used only %d of %d channels\n",
@@ -324,7 +327,7 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
struct iwl_nvm_data *
iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
const __le16 *nvm_hw, const __le16 *nvm_sw,
- const __le16 *nvm_calib)
+ const __le16 *nvm_calib, u8 tx_chains, u8 rx_chains)
{
struct iwl_nvm_data *data;
u8 hw_addr[ETH_ALEN];
@@ -380,7 +383,8 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
data->hw_addr[4] = hw_addr[5];
data->hw_addr[5] = hw_addr[4];
- iwl_init_sbands(dev, cfg, data, nvm_sw);
+ iwl_init_sbands(dev, cfg, data, nvm_sw, sku & NVM_SKU_CAP_11AC_ENABLE,
+ tx_chains, rx_chains);
data->calib_version = 255; /* TODO:
this value will prevent some checks from