diff options
| author | Samuel Ortiz <sameo@linux.intel.com> | 2009-11-24 11:33:27 +0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-11-28 15:04:40 -0500 |
| commit | 902b6667d3d17ac53ec62c036cd2bcf713c29d86 (patch) | |
| tree | 95f6d93fc8b0b3f9f021aadc493db27aa3ca0948 /drivers/net/wireless/iwmc3200wifi/eeprom.c | |
| parent | f6cd53c6a4204a3d4a274546449a70a766a99b6e (diff) | |
iwmc3200wifi: Parse HT channels EEPROM entries
The fat channels eeprom entries let us know if 11n is enabled or not. We
update our wiphy supported bands based on that.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi/eeprom.c')
| -rw-r--r-- | drivers/net/wireless/iwmc3200wifi/eeprom.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/eeprom.c b/drivers/net/wireless/iwmc3200wifi/eeprom.c index 365910fbe01e..c574f58dfb20 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 +150,32 @@ 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; +} + int iwm_eeprom_init(struct iwm_priv *iwm) { int i, ret = 0; |