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path: root/drivers/net/wireless/iwmc3200wifi/eeprom.c
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Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi/eeprom.c')
-rw-r--r--drivers/net/wireless/iwmc3200wifi/eeprom.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/eeprom.c b/drivers/net/wireless/iwmc3200wifi/eeprom.c
index 365910f..8091421 100644
--- a/drivers/net/wireless/iwmc3200wifi/eeprom.c
+++ b/drivers/net/wireless/iwmc3200wifi/eeprom.c
@@ -66,6 +66,10 @@ static struct iwm_eeprom_entry eeprom_map[] = {
[IWM_EEPROM_SKU_CAP] =
{"SKU capabilities", IWM_EEPROM_SKU_CAP_OFF, IWM_EEPROM_SKU_CAP_LEN},
+ [IWM_EEPROM_FAT_CHANNELS_CAP] =
+ {"HT channels capabilities", IWM_EEPROM_FAT_CHANNELS_CAP_OFF,
+ IWM_EEPROM_FAT_CHANNELS_CAP_LEN},
+
[IWM_EEPROM_CALIB_RXIQ_OFFSET] =
{"RX IQ offset", IWM_EEPROM_CALIB_RXIQ_OFF, IWM_EEPROM_INDIRECT_LEN},
@@ -146,6 +150,52 @@ u8 *iwm_eeprom_access(struct iwm_priv *iwm, u8 eeprom_id)
return iwm->eeprom + eeprom_map[eeprom_id].offset;
}
+int iwm_eeprom_fat_channels(struct iwm_priv *iwm)
+{
+ struct wiphy *wiphy = iwm_to_wiphy(iwm);
+ struct ieee80211_supported_band *band;
+ u16 *channels, i;
+
+ channels = (u16 *)iwm_eeprom_access(iwm, IWM_EEPROM_FAT_CHANNELS_CAP);
+ if (IS_ERR(channels))
+ return PTR_ERR(channels);
+
+ band = wiphy->bands[IEEE80211_BAND_2GHZ];
+ band->ht_cap.ht_supported = true;
+
+ for (i = 0; i < IWM_EEPROM_FAT_CHANNELS_24; i++)
+ if (!(channels[i] & IWM_EEPROM_FAT_CHANNEL_ENABLED))
+ band->ht_cap.ht_supported = false;
+
+ band = wiphy->bands[IEEE80211_BAND_5GHZ];
+ band->ht_cap.ht_supported = true;
+ for (i = IWM_EEPROM_FAT_CHANNELS_24; i < IWM_EEPROM_FAT_CHANNELS; i++)
+ if (!(channels[i] & IWM_EEPROM_FAT_CHANNEL_ENABLED))
+ band->ht_cap.ht_supported = false;
+
+ return 0;
+}
+
+u32 iwm_eeprom_wireless_mode(struct iwm_priv *iwm)
+{
+ u16 sku_cap;
+ u32 wireless_mode = 0;
+
+ sku_cap = *((u16 *)iwm_eeprom_access(iwm, IWM_EEPROM_SKU_CAP));
+
+ if (sku_cap & IWM_EEPROM_SKU_CAP_BAND_24GHZ)
+ wireless_mode |= WIRELESS_MODE_11G;
+
+ if (sku_cap & IWM_EEPROM_SKU_CAP_BAND_52GHZ)
+ wireless_mode |= WIRELESS_MODE_11A;
+
+ if (sku_cap & IWM_EEPROM_SKU_CAP_11N_ENABLE)
+ wireless_mode |= WIRELESS_MODE_11N;
+
+ return wireless_mode;
+}
+
+
int iwm_eeprom_init(struct iwm_priv *iwm)
{
int i, ret = 0;
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