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authorSujith <Sujith.Manoharan@atheros.com>2009-08-07 09:45:33 +0530
committerJohn W. Linville <linville@tuxdriver.com>2009-08-14 09:13:35 -0400
commit180d674bab10ce10747f7bc7214462da185431bd (patch)
treecef60e5e879b35cb4060c067244a21f8d1dcd2ac /drivers/net
parentbf466fb67c8e0559ba1875232b03ee8dee32ae09 (diff)
ath9k: Remove local chainmask variable
The chainmask can be obtained directly from ath_hw. Also, use a helper macro for comparing CTLs - this improves readability. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/ath/ath9k/eeprom_4k.c86
1 files changed, 42 insertions, 44 deletions
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
index 29878e0789b..d34dd23e806 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -502,14 +502,23 @@ static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah,
u16 twiceMaxRegulatoryPower,
u16 powerLimit)
{
- struct ar5416_eeprom_4k *pEepData = &ah->eeprom.map4k;
- u16 twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
- static const u16 tpScaleReductionTable[5] =
- { 0, 3, 6, 9, AR5416_MAX_RATE_POWER };
+#define CMP_TEST_GRP \
+ (((cfgCtl & ~CTL_MODE_M)| (pCtlMode[ctlMode] & CTL_MODE_M)) == \
+ pEepData->ctlIndex[i]) \
+ || (((cfgCtl & ~CTL_MODE_M) | (pCtlMode[ctlMode] & CTL_MODE_M)) == \
+ ((pEepData->ctlIndex[i] & CTL_MODE_M) | SD_NO_CTL))
int i;
int16_t twiceLargestAntenna;
+ u16 twiceMinEdgePower;
+ u16 twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
+ u16 scaledPower = 0, minCtlPower, maxRegAllowedPower;
+ u16 numCtlModes, *pCtlMode, ctlMode, freq;
+ struct chan_centers centers;
struct cal_ctl_data_4k *rep;
+ struct ar5416_eeprom_4k *pEepData = &ah->eeprom.map4k;
+ static const u16 tpScaleReductionTable[5] =
+ { 0, 3, 6, 9, AR5416_MAX_RATE_POWER };
struct cal_target_power_leg targetPowerOfdm, targetPowerCck = {
0, { 0, 0, 0, 0}
};
@@ -520,27 +529,18 @@ static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah,
struct cal_target_power_ht targetPowerHt20, targetPowerHt40 = {
0, {0, 0, 0, 0}
};
- u16 scaledPower = 0, minCtlPower, maxRegAllowedPower;
u16 ctlModesFor11g[] =
{ CTL_11B, CTL_11G, CTL_2GHT20, CTL_11B_EXT, CTL_11G_EXT,
CTL_2GHT40
};
- u16 numCtlModes, *pCtlMode, ctlMode, freq;
- struct chan_centers centers;
- int tx_chainmask;
- u16 twiceMinEdgePower;
-
- tx_chainmask = ah->txchainmask;
ath9k_hw_get_channel_centers(ah, chan, &centers);
twiceLargestAntenna = pEepData->modalHeader.antennaGainCh[0];
-
twiceLargestAntenna = (int16_t)min(AntennaReduction -
twiceLargestAntenna, 0);
maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna;
-
if (ah->regulatory.tp_scale != ATH9K_TP_SCALE_MAX) {
maxRegAllowedPower -=
(tpScaleReductionTable[(ah->regulatory.tp_scale)] * 2);
@@ -584,6 +584,7 @@ static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah,
for (ctlMode = 0; ctlMode < numCtlModes; ctlMode++) {
bool isHt40CtlMode = (pCtlMode[ctlMode] == CTL_5GHT40) ||
(pCtlMode[ctlMode] == CTL_2GHT40);
+
if (isHt40CtlMode)
freq = centers.synth_center;
else if (pCtlMode[ctlMode] & EXT_ADDITIVE)
@@ -596,22 +597,17 @@ static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah,
twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
for (i = 0; (i < AR5416_EEP4K_NUM_CTLS) &&
- pEepData->ctlIndex[i]; i++) {
- if ((((cfgCtl & ~CTL_MODE_M) |
- (pCtlMode[ctlMode] & CTL_MODE_M)) ==
- pEepData->ctlIndex[i]) ||
- (((cfgCtl & ~CTL_MODE_M) |
- (pCtlMode[ctlMode] & CTL_MODE_M)) ==
- ((pEepData->ctlIndex[i] & CTL_MODE_M) |
- SD_NO_CTL))) {
+ pEepData->ctlIndex[i]; i++) {
+
+ if (CMP_TEST_GRP) {
rep = &(pEepData->ctlData[i]);
- twiceMinEdgePower =
- ath9k_hw_get_max_edge_power(freq,
- rep->ctlEdges[ar5416_get_ntxchains
- (tx_chainmask) - 1],
- IS_CHAN_2GHZ(chan),
- AR5416_EEP4K_NUM_BAND_EDGES);
+ twiceMinEdgePower = ath9k_hw_get_max_edge_power(
+ freq,
+ rep->ctlEdges[
+ ar5416_get_ntxchains(ah->txchainmask) - 1],
+ IS_CHAN_2GHZ(chan),
+ AR5416_EEP4K_NUM_BAND_EDGES);
if ((cfgCtl & ~CTL_MODE_M) == SD_NO_CTL) {
twiceMaxEdgePower =
@@ -628,42 +624,38 @@ static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah,
switch (pCtlMode[ctlMode]) {
case CTL_11B:
- for (i = 0; i < ARRAY_SIZE(targetPowerCck.tPow2x);
- i++) {
+ for (i = 0; i < ARRAY_SIZE(targetPowerCck.tPow2x); i++) {
targetPowerCck.tPow2x[i] =
min((u16)targetPowerCck.tPow2x[i],
minCtlPower);
}
break;
case CTL_11G:
- for (i = 0; i < ARRAY_SIZE(targetPowerOfdm.tPow2x);
- i++) {
+ for (i = 0; i < ARRAY_SIZE(targetPowerOfdm.tPow2x); i++) {
targetPowerOfdm.tPow2x[i] =
min((u16)targetPowerOfdm.tPow2x[i],
minCtlPower);
}
break;
case CTL_2GHT20:
- for (i = 0; i < ARRAY_SIZE(targetPowerHt20.tPow2x);
- i++) {
+ for (i = 0; i < ARRAY_SIZE(targetPowerHt20.tPow2x); i++) {
targetPowerHt20.tPow2x[i] =
min((u16)targetPowerHt20.tPow2x[i],
minCtlPower);
}
break;
case CTL_11B_EXT:
- targetPowerCckExt.tPow2x[0] = min((u16)
- targetPowerCckExt.tPow2x[0],
- minCtlPower);
+ targetPowerCckExt.tPow2x[0] =
+ min((u16)targetPowerCckExt.tPow2x[0],
+ minCtlPower);
break;
case CTL_11G_EXT:
- targetPowerOfdmExt.tPow2x[0] = min((u16)
- targetPowerOfdmExt.tPow2x[0],
- minCtlPower);
+ targetPowerOfdmExt.tPow2x[0] =
+ min((u16)targetPowerOfdmExt.tPow2x[0],
+ minCtlPower);
break;
case CTL_2GHT40:
- for (i = 0; i < ARRAY_SIZE(targetPowerHt40.tPow2x);
- i++) {
+ for (i = 0; i < ARRAY_SIZE(targetPowerHt40.tPow2x); i++) {
targetPowerHt40.tPow2x[i] =
min((u16)targetPowerHt40.tPow2x[i],
minCtlPower);
@@ -674,9 +666,13 @@ static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah,
}
}
- ratesArray[rate6mb] = ratesArray[rate9mb] = ratesArray[rate12mb] =
- ratesArray[rate18mb] = ratesArray[rate24mb] =
- targetPowerOfdm.tPow2x[0];
+ ratesArray[rate6mb] =
+ ratesArray[rate9mb] =
+ ratesArray[rate12mb] =
+ ratesArray[rate18mb] =
+ ratesArray[rate24mb] =
+ targetPowerOfdm.tPow2x[0];
+
ratesArray[rate36mb] = targetPowerOfdm.tPow2x[1];
ratesArray[rate48mb] = targetPowerOfdm.tPow2x[2];
ratesArray[rate54mb] = targetPowerOfdm.tPow2x[3];
@@ -700,6 +696,8 @@ static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah,
ratesArray[rateExtOfdm] = targetPowerOfdmExt.tPow2x[0];
ratesArray[rateExtCck] = targetPowerCckExt.tPow2x[0];
}
+
+#undef CMP_TEST_GRP
}
static void ath9k_hw_4k_set_txpower(struct ath_hw *ah,