From: Felix Fietkau Date: Mon, 23 Jul 2012 22:20:57 +0000 (+0000) Subject: ath5k: add tx power related fixes X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=edd2ef094a67fd5a8f3cb78517632ddd34d3a61e;p=librecmc%2Flibrecmc.git ath5k: add tx power related fixes SVN-Revision: 32793 --- diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index 33f6737c19..3a9a2c1eeb 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -4254,3 +4254,115 @@ freq->e = 6; return 0; default: +--- a/drivers/net/wireless/ath/ath5k/ath5k.h ++++ b/drivers/net/wireless/ath/ath5k/ath5k.h +@@ -1418,6 +1418,7 @@ struct ath5k_hw { + s16 txp_min_pwr; + s16 txp_max_pwr; + s16 txp_cur_pwr; ++ s16 txp_user_pwr; + /* Values in 0.5dB units */ + s16 txp_offset; + s16 txp_ofdm; +--- a/drivers/net/wireless/ath/ath5k/base.c ++++ b/drivers/net/wireless/ath/ath5k/base.c +@@ -2953,6 +2953,9 @@ ath5k_init(struct ieee80211_hw *hw) + hw->queues = 1; + } + ++ /* init tx_power setting to maximum */ ++ ah->ah_txpower.txp_user_pwr = AR5K_TUNE_MAX_TXPOWER; ++ + tasklet_init(&ah->rxtq, ath5k_tasklet_rx, (unsigned long)ah); + tasklet_init(&ah->txtq, ath5k_tasklet_tx, (unsigned long)ah); + tasklet_init(&ah->beacontq, ath5k_tasklet_beacon, (unsigned long)ah); +--- a/drivers/net/wireless/ath/ath5k/eeprom.c ++++ b/drivers/net/wireless/ath/ath5k/eeprom.c +@@ -1484,7 +1484,7 @@ ath5k_eeprom_read_target_rate_pwr_info(s + case AR5K_EEPROM_MODE_11A: + offset += AR5K_EEPROM_TARGET_PWR_OFF_11A(ee->ee_version); + rate_pcal_info = ee->ee_rate_tpwr_a; +- ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_5GHZ_CHAN; ++ ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_5GHZ_RATE_CHAN; + break; + case AR5K_EEPROM_MODE_11B: + offset += AR5K_EEPROM_TARGET_PWR_OFF_11B(ee->ee_version); +--- a/drivers/net/wireless/ath/ath5k/eeprom.h ++++ b/drivers/net/wireless/ath/ath5k/eeprom.h +@@ -182,6 +182,7 @@ + #define AR5K_EEPROM_EEP_DELTA 10 + #define AR5K_EEPROM_N_MODES 3 + #define AR5K_EEPROM_N_5GHZ_CHAN 10 ++#define AR5K_EEPROM_N_5GHZ_RATE_CHAN 8 + #define AR5K_EEPROM_N_2GHZ_CHAN 3 + #define AR5K_EEPROM_N_2GHZ_CHAN_2413 4 + #define AR5K_EEPROM_N_2GHZ_CHAN_MAX 4 +--- a/drivers/net/wireless/ath/ath5k/phy.c ++++ b/drivers/net/wireless/ath/ath5k/phy.c +@@ -3585,14 +3585,12 @@ ath5k_setup_rate_powertable(struct ath5k + * ath5k_hw_txpower() - Set transmission power limit for a given channel + * @ah: The &struct ath5k_hw + * @channel: The &struct ieee80211_channel +- * @txpower: Requested tx power in 0.5dB steps + * + * Combines all of the above to set the requested tx power limit +- * on hw. ++ * on hw to ah->ah_txpower.txp_user_pwr. + */ + static int +-ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel, +- u8 txpower) ++ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel) + { + struct ath5k_rate_pcal_info rate_info; + struct ieee80211_channel *curr_channel = ah->ah_current_channel; +@@ -3600,11 +3598,6 @@ ath5k_hw_txpower(struct ath5k_hw *ah, st + u8 type; + int ret; + +- if (txpower > AR5K_TUNE_MAX_TXPOWER) { +- ATH5K_ERR(ah, "invalid tx power: %u\n", txpower); +- return -EINVAL; +- } +- + ee_mode = ath5k_eeprom_mode_from_channel(channel); + if (ee_mode < 0) { + ATH5K_ERR(ah, +@@ -3669,7 +3662,7 @@ ath5k_hw_txpower(struct ath5k_hw *ah, st + ath5k_get_rate_pcal_data(ah, channel, &rate_info); + + /* Setup rate power table */ +- ath5k_setup_rate_powertable(ah, txpower, &rate_info, ee_mode); ++ ath5k_setup_rate_powertable(ah, ah->ah_txpower.txp_user_pwr, &rate_info, ee_mode); + + /* Write rate power table on hw */ + ath5k_hw_reg_write(ah, AR5K_TXPOWER_OFDM(3, 24) | +@@ -3719,8 +3712,16 @@ ath5k_hw_set_txpower_limit(struct ath5k_ + { + ATH5K_DBG(ah, ATH5K_DEBUG_TXPOWER, + "changing txpower to %d\n", txpower); ++ if (txpower) { ++ ah->ah_txpower.txp_user_pwr = txpower; + +- return ath5k_hw_txpower(ah, ah->ah_current_channel, txpower); ++ if (ah->ah_txpower.txp_user_pwr > AR5K_TUNE_MAX_TXPOWER) { ++ ATH5K_ERR(ah, "invalid tx power: %u\n", ah->ah_txpower.txp_user_pwr); ++ return -EINVAL; ++ } ++ } ++ ++ return ath5k_hw_txpower(ah, ah->ah_current_channel); + } + + +@@ -3791,8 +3792,8 @@ ath5k_hw_phy_init(struct ath5k_hw *ah, s + * RF buffer settings on 5211/5212+ so that we + * properly set curve indices. + */ +- ret = ath5k_hw_txpower(ah, channel, ah->ah_txpower.txp_cur_pwr ? +- ah->ah_txpower.txp_cur_pwr / 2 : AR5K_TUNE_MAX_TXPOWER); ++ ret = ath5k_hw_txpower(ah, channel); ++ + if (ret) + return ret; +