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ath5k: add tx power related fixes 

SVN-Revision: 32793
lede-17.01
Felix Fietkau 2012-07-23 22:20:57 +00:00
parent 20eddc1e92
commit edd2ef094a
1 changed files with 112 additions and 0 deletions
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112
package/mac80211/patches/300-pending_work.patch
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@ -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;