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authorFelix Fietkau <nbd@openwrt.org>2012-07-23 22:20:57 +0000
committerFelix Fietkau <nbd@openwrt.org>2012-07-23 22:20:57 +0000
commitedd2ef094a67fd5a8f3cb78517632ddd34d3a61e (patch)
treed6ab727790bcae89809f19b04bb9587dd643968f /package
parent20eddc1e92d0a41fe5c6aae40eaf30f240f5f626 (diff)
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ath5k: add tx power related fixes
SVN-Revision: 32793
Diffstat (limited to 'package')
-rw-r--r--package/mac80211/patches/300-pending_work.patch112
1 files changed, 112 insertions, 0 deletions
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;
+