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ath9k: rework tx power handling - display the correct *current* tx power, and also fix tx power limits with ATH_USER_REGD set

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SVN-Revision: 27788
This commit is contained in:
Felix Fietkau 2011-07-26 20:53:40 +00:00
parent 4da138d899
commit d6431df9c1
6 changed files with 313 additions and 0 deletions
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32
package/mac80211/patches/590-mac80211_cur_txpower.patch Normal file
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@ -0,0 +1,32 @@
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -779,7 +779,7 @@ enum ieee80211_smps_mode {
*/
struct ieee80211_conf {
u32 flags;
- int power_level, dynamic_ps_timeout;
+ int cur_power_level, power_level, dynamic_ps_timeout;
int max_sleep_period;
u16 listen_interval;
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1524,7 +1524,7 @@ static int ieee80211_get_tx_power(struct
{
struct ieee80211_local *local = wiphy_priv(wiphy);
- *dbm = local->hw.conf.power_level;
+ *dbm = local->hw.conf.cur_power_level;
return 0;
}
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -210,6 +210,7 @@ int ieee80211_hw_config(struct ieee80211
if (local->hw.conf.power_level != power) {
changed |= IEEE80211_CONF_CHANGE_POWER;
+ local->hw.conf.cur_power_level = power;
local->hw.conf.power_level = power;
}

13
package/mac80211/patches/591-ath9k_initialize_chainmask.patch Normal file
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@ -0,0 +1,13 @@
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -667,8 +667,10 @@ static void ath9k_init_band_txpower(stru
static void ath9k_init_txpower_limits(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath9k_channel *curchan = ah->curchan;
+ ah->txchainmask = common->tx_chainmask;
if (ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
ath9k_init_band_txpower(sc, IEEE80211_BAND_2GHZ);
if (ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)

125
package/mac80211/patches/592-ath9k_remove_tx_indexoffset.patch Normal file
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@ -0,0 +1,125 @@
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -247,8 +247,7 @@ static u32 ath9k_hw_4k_get_eeprom(struct
}
static void ath9k_hw_set_4k_power_cal_table(struct ath_hw *ah,
- struct ath9k_channel *chan,
- int16_t *pTxPowerIndexOffset)
+ struct ath9k_channel *chan)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ar5416_eeprom_4k *pEepData = &ah->eeprom.map4k;
@@ -358,8 +357,6 @@ static void ath9k_hw_set_4k_power_cal_ta
REGWRITE_BUFFER_FLUSH(ah);
}
}
-
- *pTxPowerIndexOffset = 0;
}
static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah,
@@ -582,7 +579,6 @@ static void ath9k_hw_4k_set_txpower(stru
struct ar5416_eeprom_4k *pEepData = &ah->eeprom.map4k;
struct modal_eep_4k_header *pModal = &pEepData->modalHeader;
int16_t ratesArray[Ar5416RateSize];
- int16_t txPowerIndexOffset = 0;
u8 ht40PowerIncForPdadc = 2;
int i;
@@ -599,11 +595,10 @@ static void ath9k_hw_4k_set_txpower(stru
twiceMaxRegulatoryPower,
powerLimit);
- ath9k_hw_set_4k_power_cal_table(ah, chan, &txPowerIndexOffset);
+ ath9k_hw_set_4k_power_cal_table(ah, chan);
regulatory->max_power_level = 0;
for (i = 0; i < ARRAY_SIZE(ratesArray); i++) {
- ratesArray[i] = (int16_t)(txPowerIndexOffset + ratesArray[i]);
if (ratesArray[i] > MAX_RATE_POWER)
ratesArray[i] = MAX_RATE_POWER;
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -306,8 +306,7 @@ static void ar9287_eeprom_olpc_set_pdadc
}
static void ath9k_hw_set_ar9287_power_cal_table(struct ath_hw *ah,
- struct ath9k_channel *chan,
- int16_t *pTxPowerIndexOffset)
+ struct ath9k_channel *chan)
{
struct cal_data_per_freq_ar9287 *pRawDataset;
struct cal_data_op_loop_ar9287 *pRawDatasetOpenLoop;
@@ -446,8 +445,6 @@ static void ath9k_hw_set_ar9287_power_ca
REGWRITE_BUFFER_FLUSH(ah);
}
}
-
- *pTxPowerIndexOffset = 0;
}
static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah,
@@ -722,7 +719,6 @@ static void ath9k_hw_ar9287_set_txpower(
struct ar9287_eeprom *pEepData = &ah->eeprom.map9287;
struct modal_eep_ar9287_header *pModal = &pEepData->modalHeader;
int16_t ratesArray[Ar5416RateSize];
- int16_t txPowerIndexOffset = 0;
u8 ht40PowerIncForPdadc = 2;
int i;
@@ -738,11 +734,10 @@ static void ath9k_hw_ar9287_set_txpower(
twiceMaxRegulatoryPower,
powerLimit);
- ath9k_hw_set_ar9287_power_cal_table(ah, chan, &txPowerIndexOffset);
+ ath9k_hw_set_ar9287_power_cal_table(ah, chan);
regulatory->max_power_level = 0;
for (i = 0; i < ARRAY_SIZE(ratesArray); i++) {
- ratesArray[i] = (int16_t)(txPowerIndexOffset + ratesArray[i]);
if (ratesArray[i] > MAX_RATE_POWER)
ratesArray[i] = MAX_RATE_POWER;
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -692,8 +692,7 @@ static void ath9k_adjust_pdadc_values(st
}
static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
- struct ath9k_channel *chan,
- int16_t *pTxPowerIndexOffset)
+ struct ath9k_channel *chan)
{
#define SM_PD_GAIN(x) SM(0x38, AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_##x)
#define SM_PDGAIN_B(x, y) \
@@ -857,7 +856,6 @@ static void ath9k_hw_set_def_power_cal_t
}
}
- *pTxPowerIndexOffset = 0;
#undef SM_PD_GAIN
#undef SM_PDGAIN_B
}
@@ -1145,7 +1143,6 @@ static void ath9k_hw_def_set_txpower(str
struct modal_eep_header *pModal =
&(pEepData->modalHeader[IS_CHAN_2GHZ(chan)]);
int16_t ratesArray[Ar5416RateSize];
- int16_t txPowerIndexOffset = 0;
u8 ht40PowerIncForPdadc = 2;
int i, cck_ofdm_delta = 0;
@@ -1162,11 +1159,10 @@ static void ath9k_hw_def_set_txpower(str
twiceMaxRegulatoryPower,
powerLimit);
- ath9k_hw_set_def_power_cal_table(ah, chan, &txPowerIndexOffset);
+ ath9k_hw_set_def_power_cal_table(ah, chan);
regulatory->max_power_level = 0;
for (i = 0; i < ARRAY_SIZE(ratesArray); i++) {
- ratesArray[i] = (int16_t)(txPowerIndexOffset + ratesArray[i]);
if (ratesArray[i] > MAX_RATE_POWER)
ratesArray[i] = MAX_RATE_POWER;
if (ratesArray[i] > regulatory->max_power_level)

83
package/mac80211/patches/593-ath9k_fix_rate_power.patch Normal file
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@ -0,0 +1,83 @@
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -4922,25 +4922,7 @@ static void ath9k_hw_ar9300_set_txpower(
"TPC[%02d] 0x%08x\n", i, targetPowerValT2[i]);
}
- /*
- * This is the TX power we send back to driver core,
- * and it can use to pass to userspace to display our
- * currently configured TX power setting.
- *
- * Since power is rate dependent, use one of the indices
- * from the AR9300_Rates enum to select an entry from
- * targetPowerValT2[] to report. Currently returns the
- * power for HT40 MCS 0, HT20 MCS 0, or OFDM 6 Mbps
- * as CCK power is less interesting (?).
- */
- i = ALL_TARGET_LEGACY_6_24; /* legacy */
- if (IS_CHAN_HT40(chan))
- i = ALL_TARGET_HT40_0_8_16; /* ht40 */
- else if (IS_CHAN_HT20(chan))
- i = ALL_TARGET_HT20_0_8_16; /* ht20 */
-
- ah->txpower_limit = targetPowerValT2[i];
- regulatory->max_power_level = targetPowerValT2[i];
+ ah->txpower_limit = regulatory->max_power_level;
/* Write target power array to registers */
ar9003_hw_tx_power_regwrite(ah, targetPowerValT2);
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -609,15 +609,6 @@ static void ath9k_hw_4k_set_txpower(stru
if (test)
return;
- /* Update regulatory */
- i = rate6mb;
- if (IS_CHAN_HT40(chan))
- i = rateHt40_0;
- else if (IS_CHAN_HT20(chan))
- i = rateHt20_0;
-
- regulatory->max_power_level = ratesArray[i];
-
if (AR_SREV_9280_20_OR_LATER(ah)) {
for (i = 0; i < Ar5416RateSize; i++)
ratesArray[i] -= AR5416_PWR_TABLE_OFFSET_DB * 2;
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -748,13 +748,6 @@ static void ath9k_hw_ar9287_set_txpower(
if (test)
return;
- if (IS_CHAN_2GHZ(chan))
- i = rate1l;
- else
- i = rate6mb;
-
- regulatory->max_power_level = ratesArray[i];
-
if (AR_SREV_9280_20_OR_LATER(ah)) {
for (i = 0; i < Ar5416RateSize; i++)
ratesArray[i] -= AR9287_PWR_TABLE_OFFSET_DB * 2;
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -1169,17 +1169,6 @@ static void ath9k_hw_def_set_txpower(str
regulatory->max_power_level = ratesArray[i];
}
- if (!test) {
- i = rate6mb;
-
- if (IS_CHAN_HT40(chan))
- i = rateHt40_0;
- else if (IS_CHAN_HT20(chan))
- i = rateHt20_0;
-
- regulatory->max_power_level = ratesArray[i];
- }
-
switch(ar5416_get_ntxchains(ah->txchainmask)) {
case 1:
break;

25
package/mac80211/patches/594-ath9k_test_txpower.patch Normal file
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@ -0,0 +1,25 @@
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2442,15 +2442,18 @@ void ath9k_hw_set_txpowerlimit(struct at
struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
struct ath9k_channel *chan = ah->curchan;
struct ieee80211_channel *channel = chan->chan;
+ int reg_pwr = min_t(int, MAX_RATE_POWER, regulatory->power_limit);
+ int chan_pwr = channel->max_power * 2;
+
+ if (test)
+ reg_pwr = chan_pwr = MAX_RATE_POWER;
regulatory->power_limit = min(limit, (u32) MAX_RATE_POWER);
ah->eep_ops->set_txpower(ah, chan,
ath9k_regd_get_ctl(regulatory, chan),
channel->max_antenna_gain * 2,
- channel->max_power * 2,
- min((u32) MAX_RATE_POWER,
- (u32) regulatory->power_limit), test);
+ chan_pwr, reg_pwr, test);
}
EXPORT_SYMBOL(ath9k_hw_set_txpowerlimit);

35
package/mac80211/patches/595-ath9k_cur_txpower.patch Normal file
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@ -0,0 +1,35 @@
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1724,6 +1724,8 @@ static int ath9k_config(struct ieee80211
return -EINVAL;
}
+ conf->cur_power_level = sc->curtxpow / 2;
+
/*
* The most recent snapshot of channel->noisefloor for the old
* channel is only available after the hardware reset. Copy it to
@@ -1741,6 +1743,7 @@ static int ath9k_config(struct ieee80211
ath9k_cmn_update_txpow(ah, sc->curtxpow,
sc->config.txpowlimit, &sc->curtxpow);
ath9k_ps_restore(sc);
+ conf->cur_power_level = sc->curtxpow / 2;
}
if (disable_radio) {
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -161,10 +161,12 @@ EXPORT_SYMBOL(ath9k_cmn_count_streams);
void ath9k_cmn_update_txpow(struct ath_hw *ah, u16 cur_txpow,
u16 new_txpow, u16 *txpower)
{
+ struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
+
if (cur_txpow != new_txpow) {
ath9k_hw_set_txpowerlimit(ah, new_txpow, false);
/* read back in case value is clamped */
- *txpower = ath9k_hw_regulatory(ah)->power_limit;
+ *txpower = min_t(u16, reg->power_limit, reg->max_power_level);
}
}
EXPORT_SYMBOL(ath9k_cmn_update_txpow);