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Add a couple of functions to check NF calibration progress / completion.

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This commit is contained in:
Adrian Chadd 2010-08-12 06:06:14 +00:00
parent 2032024cd6
commit 85b035b335
2 changed files with 39 additions and 0 deletions
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4
sys/dev/ath/ath_hal/ar5212/ar5212.h
View File

@ -608,4 +608,8 @@ extern void ar5212AniPoll(struct ath_hal *, const HAL_NODE_STATS *,
const struct ieee80211_channel *);
extern void ar5212AniReset(struct ath_hal *, const struct ieee80211_channel *,
HAL_OPMODE, int);
extern HAL_BOOL ar5212IsNFCalInProgress(struct ath_hal *ah);
extern HAL_BOOL ar5212WaitNFCalComplete(struct ath_hal *ah, int i);
#endif /* _ATH_AR5212_H_ */

35
sys/dev/ath/ath_hal/ar5212/ar5212_misc.c
View File

@ -1071,3 +1071,38 @@ ar5212GetDiagState(struct ath_hal *ah, int request,
}
return AH_FALSE;
}
/*
* Check whether there's an in-progress NF completion.
*
* Returns AH_TRUE if there's a in-progress NF calibration, AH_FALSE
* otherwise.
*/
HAL_BOOL
ar5212IsNFCalInProgress(struct ath_hal *ah)
{
if (OS_REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF)
return AH_TRUE;
return AH_FALSE;
}
/*
* Wait for an in-progress NF calibration to complete.
*
* The completion function waits "i" times 10uS.
* It returns AH_TRUE if the NF calibration completed (or was never
* in progress); AH_FALSE if it was still in progress after "i" checks.
*/
HAL_BOOL
ar5212WaitNFCalComplete(struct ath_hal *ah, int i)
{
int j;
if (i <= 0)
i = 1; /* it should run at least once */
for (j = 0; j < i; j++) {
if (! ar5212IsNFCalInProgress(ah))
return AH_TRUE;
OS_DELAY(10);
}
return AH_FALSE;
}