From 8f655dde240293f3b82313cae91c64ffd7b64c50 Mon Sep 17 00:00:00 2001 From: Nick Kossifidis Date: Sun, 15 Mar 2009 22:20:35 +0200 Subject: ath5k: Add tx power calibration support * Add tx power calibration support * Add a few tx power limits * Hardcode default power to 12.5dB * Disable TPC for now v2: Address Jiri's comments Signed-off-by: Nick Kossifidis Signed-off-by: John W. Linville --- drivers/net/wireless/ath5k/reset.c | 35 +++++++++++++++++++++-------------- 1 file changed, 21 insertions(+), 14 deletions(-) (limited to 'drivers/net/wireless/ath5k/reset.c') diff --git a/drivers/net/wireless/ath5k/reset.c b/drivers/net/wireless/ath5k/reset.c index 685dc21..7a17d31 100644 --- a/drivers/net/wireless/ath5k/reset.c +++ b/drivers/net/wireless/ath5k/reset.c @@ -664,29 +664,35 @@ static void ath5k_hw_commit_eeprom_settings(struct ath5k_hw *ah, struct ieee80211_channel *channel, u8 *ant, u8 ee_mode) { struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; + s16 cck_ofdm_pwr_delta; - /* Set CCK to OFDM power delta */ - if (ah->ah_phy_revision >= AR5K_SREV_PHY_5212A) { - int16_t cck_ofdm_pwr_delta; - - /* Adjust power delta for channel 14 */ - if (channel->center_freq == 2484) - cck_ofdm_pwr_delta = - ((ee->ee_cck_ofdm_power_delta - - ee->ee_scaled_cck_delta) * 2) / 10; - else - cck_ofdm_pwr_delta = - (ee->ee_cck_ofdm_power_delta * 2) / 10; + /* Adjust power delta for channel 14 */ + if (channel->center_freq == 2484) + cck_ofdm_pwr_delta = + ((ee->ee_cck_ofdm_power_delta - + ee->ee_scaled_cck_delta) * 2) / 10; + else + cck_ofdm_pwr_delta = + (ee->ee_cck_ofdm_power_delta * 2) / 10; + /* Set CCK to OFDM power delta on tx power + * adjustment register */ + if (ah->ah_phy_revision >= AR5K_SREV_PHY_5212A) { if (channel->hw_value == CHANNEL_G) ath5k_hw_reg_write(ah, - AR5K_REG_SM((ee->ee_cck_ofdm_power_delta * -1), + AR5K_REG_SM((ee->ee_cck_ofdm_gain_delta * -1), AR5K_PHY_TX_PWR_ADJ_CCK_GAIN_DELTA) | AR5K_REG_SM((cck_ofdm_pwr_delta * -1), AR5K_PHY_TX_PWR_ADJ_CCK_PCDAC_INDEX), AR5K_PHY_TX_PWR_ADJ); else ath5k_hw_reg_write(ah, 0, AR5K_PHY_TX_PWR_ADJ); + } else { + /* For older revs we scale power on sw during tx power + * setup */ + ah->ah_txpower.txp_cck_ofdm_pwr_delta = cck_ofdm_pwr_delta; + ah->ah_txpower.txp_cck_ofdm_gainf_delta = + ee->ee_cck_ofdm_gain_delta; } /* Set antenna idle switch table */ @@ -994,7 +1000,8 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, /* * Set TX power (FIXME) */ - ret = ath5k_hw_txpower(ah, channel, AR5K_TUNE_DEFAULT_TXPOWER); + ret = ath5k_hw_txpower(ah, channel, ee_mode, + AR5K_TUNE_DEFAULT_TXPOWER); if (ret) return ret; -- cgit v1.1