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ath9k_hw: Add capability flag for Antenna diversity and combining feature 

This is enabled only for ar9285.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2010-09-02 01:34:41 -07:00 committed by John W. Linville
parent 7a374d8eeb
commit 754dc53641
4 changed files with 16 additions and 0 deletions
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2
drivers/net/wireless/ath/ath9k/eeprom.h
View File

@ -266,6 +266,8 @@ enum eeprom_param {
EEP_INTERNAL_REGULATOR,
EEP_SWREG,
EEP_PAPRD,
EEP_MODAL_VER,
EEP_ANT_DIV_CTL1,
};
enum ar5416_rates {

4
drivers/net/wireless/ath/ath9k/eeprom_4k.c
View File

@ -213,6 +213,10 @@ static u32 ath9k_hw_4k_get_eeprom(struct ath_hw *ah,
return 0;
case EEP_PWR_TABLE_OFFSET:
return AR5416_PWR_TABLE_OFFSET_DB;
case EEP_MODAL_VER:
return pModal->version;
case EEP_ANT_DIV_CTL1:
return pModal->antdiv_ctl1;
default:
return 0;
}

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

@ -2056,6 +2056,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
u16 capField = 0, eeval;
u8 ant_div_ctl1;
eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_0);
regulatory->current_rd = eeval;
@ -2280,6 +2281,14 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
if (AR_SREV_9287_10_OR_LATER(ah) || AR_SREV_9271(ah))
pCap->hw_caps |= ATH9K_HW_CAP_SGI_20;
if (AR_SREV_9285(ah))
if (ah->eep_ops->get_eeprom(ah, EEP_MODAL_VER) >= 3) {
ant_div_ctl1 =
ah->eep_ops->get_eeprom(ah, EEP_ANT_DIV_CTL1);
if ((ant_div_ctl1 & 0x1) && ((ant_div_ctl1 >> 3) & 0x1))
pCap->hw_caps |= ATH9K_HW_CAP_ANT_DIV_COMB;
}
return 0;
}

1
drivers/net/wireless/ath/ath9k/hw.h
View File

@ -204,6 +204,7 @@ enum ath9k_hw_caps {
ATH9K_HW_CAP_FASTCLOCK = BIT(20),
ATH9K_HW_CAP_SGI_20 = BIT(21),
ATH9K_HW_CAP_PAPRD = BIT(22),
ATH9K_HW_CAP_ANT_DIV_COMB = BIT(23),
};
struct ath9k_hw_capabilities {