diff options
| author | Nick Kossifidis <mick@madwifi-project.org> | 2009-04-30 15:55:50 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-05-06 15:14:56 -0400 |
| commit | 57e6c56dbb52d680f61dd629759fe2974840ed93 (patch) | |
| tree | 66a9671168f7eb67aa42fa1ce8def3ded45e21ae /drivers/net/wireless/ath/ath5k/reset.c | |
| parent | 2bed03ebf62f9d013a455209bf30d7e086120443 (diff) | |
| download | kernel_samsung_smdk4412-57e6c56dbb52d680f61dd629759fe2974840ed93.zip kernel_samsung_smdk4412-57e6c56dbb52d680f61dd629759fe2974840ed93.tar.gz kernel_samsung_smdk4412-57e6c56dbb52d680f61dd629759fe2974840ed93.tar.bz2 | |
ath5k: Add Spur filter support on newer chips
* Add spur filter support for RF5413 and later chips
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/reset.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/reset.c | 35 |
1 files changed, 14 insertions, 21 deletions
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c index 0e075bc..c1862f8 100644 --- a/drivers/net/wireless/ath/ath5k/reset.c +++ b/drivers/net/wireless/ath/ath5k/reset.c @@ -536,26 +536,6 @@ static void ath5k_hw_set_sleep_clock(struct ath5k_hw *ah, bool enable) return; } -static bool ath5k_hw_chan_has_spur_noise(struct ath5k_hw *ah, - struct ieee80211_channel *channel) -{ - u8 refclk_freq; - - if ((ah->ah_radio == AR5K_RF5112) || - (ah->ah_radio == AR5K_RF5413) || - (ah->ah_mac_version == (AR5K_SREV_AR2417 >> 4))) - refclk_freq = 40; - else - refclk_freq = 32; - - if ((channel->center_freq % refclk_freq != 0) && - ((channel->center_freq % refclk_freq < 10) || - (channel->center_freq % refclk_freq > 22))) - return true; - else - return false; -} - /* TODO: Half/Quarter rate */ static void ath5k_hw_tweak_initval_settings(struct ath5k_hw *ah, struct ieee80211_channel *channel) @@ -998,7 +978,7 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, ath5k_hw_tweak_initval_settings(ah, channel); /* - * Set TX power (FIXME) + * Set TX power */ ret = ath5k_hw_txpower(ah, channel, ee_mode, ah->ah_txpower.txp_max_pwr / 2); @@ -1024,9 +1004,22 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, /* Write OFDM timings on 5212*/ if (ah->ah_version == AR5K_AR5212 && channel->hw_value & CHANNEL_OFDM) { + struct ath5k_eeprom_info *ee = + &ah->ah_capabilities.cap_eeprom; + ret = ath5k_hw_write_ofdm_timings(ah, channel); if (ret) return ret; + + /* Note: According to docs we can have a newer + * EEPROM on old hardware, so we need to verify + * that our hardware is new enough to have spur + * mitigation registers (delta phase etc) */ + if (ah->ah_mac_srev >= AR5K_SREV_AR5424 || + (ah->ah_mac_srev >= AR5K_SREV_AR5424 && + ee->ee_version >= AR5K_EEPROM_VERSION_5_3)) + ath5k_hw_set_spur_mitigation_filter(ah, + channel); } /*Enable/disable 802.11b mode on 5111 |