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ath9k_hw: Add HW cap for PAPRD 

Add a HW capability to indicate whether PAPRD is enabled
for the card, since PAPRD could be enabled in the EEPROM, but
disabled in the driver. This makes things clearer.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2012-12-10 07:22:37 +05:30 committed by John W. Linville
parent d882d242e4
commit 0f21ee8d9c
5 changed files with 18 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
View File

@ -2987,10 +2987,6 @@ static u32 ath9k_hw_ar9300_get_eeprom(struct ath_hw *ah,
case EEP_RX_MASK:
return pBase->txrxMask & 0xf;
case EEP_PAPRD:
if (AR_SREV_9462(ah))
return false;
if (!ah->config.enable_paprd)
return false;
return !!(pBase->featureEnable & BIT(5));
case EEP_CHAIN_MASK_REDUCE:
return (pBase->miscConfiguration >> 0x3) & 0x1;
@ -5097,7 +5093,7 @@ static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah,
*/
ar9003_hw_get_target_power_eeprom(ah, chan, targetPowerValT2);
if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD)) {
if (ar9003_is_paprd_enabled(ah)) {
if (IS_CHAN_2GHZ(chan))
modal_hdr = &eep->modalHeader2G;
else
@ -5138,7 +5134,7 @@ static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah,
twiceAntennaReduction,
powerLimit);
if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD)) {
if (ar9003_is_paprd_enabled(ah)) {
for (i = 0; i < ar9300RateSize; i++) {
if ((ah->paprd_ratemask & (1 << i)) &&
(abs(targetPowerValT2[i] -

9
drivers/net/wireless/ath/ath9k/ar9003_paprd.c
View File

@ -991,3 +991,12 @@ bool ar9003_paprd_is_done(struct ath_hw *ah)
return !!paprd_done;
}
EXPORT_SYMBOL(ar9003_paprd_is_done);
bool ar9003_is_paprd_enabled(struct ath_hw *ah)
{
if ((ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->config.enable_paprd)
return true;
return false;
}
EXPORT_SYMBOL(ar9003_is_paprd_enabled);

4
drivers/net/wireless/ath/ath9k/hw.c
View File

@ -2599,6 +2599,10 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
pCap->hw_caps |= ATH9K_HW_WOW_PATTERN_MATCH_DWORD;
}
if (AR_SREV_9300_20_OR_LATER(ah) &&
ah->eep_ops->get_eeprom(ah, EEP_PAPRD))
pCap->hw_caps |= ATH9K_HW_CAP_PAPRD;
return 0;
}

2
drivers/net/wireless/ath/ath9k/hw.h
View File

@ -247,6 +247,7 @@ enum ath9k_hw_caps {
ATH9K_HW_WOW_DEVICE_CAPABLE = BIT(17),
ATH9K_HW_WOW_PATTERN_MATCH_EXACT = BIT(18),
ATH9K_HW_WOW_PATTERN_MATCH_DWORD = BIT(19),
ATH9K_HW_CAP_PAPRD = BIT(20),
};
/*
@ -1061,6 +1062,7 @@ int ar9003_paprd_create_curve(struct ath_hw *ah,
void ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain);
int ar9003_paprd_init_table(struct ath_hw *ah);
bool ar9003_paprd_is_done(struct ath_hw *ah);
bool ar9003_is_paprd_enabled(struct ath_hw *ah);
/* Hardware family op attach helpers */
void ar5008_hw_attach_phy_ops(struct ath_hw *ah);

2
drivers/net/wireless/ath/ath9k/link.c
View File

@ -435,7 +435,7 @@ void ath_ani_calibrate(unsigned long data)
mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD) && ah->caldata) {
if (ar9003_is_paprd_enabled(ah) && ah->caldata) {
if (!ah->caldata->paprd_done) {
ieee80211_queue_work(sc->hw, &sc->paprd_work);
} else if (!ah->paprd_table_write_done) {