diff options
Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi/eeprom.c')
| -rw-r--r-- | drivers/net/wireless/iwmc3200wifi/eeprom.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/eeprom.c b/drivers/net/wireless/iwmc3200wifi/eeprom.c index 365910fbe01..8091421ee5e 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; |