Date: Thu, 12 Aug 2010 06:06:14 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r211206 - head/sys/dev/ath/ath_hal/ar5212 Message-ID: <201008120606.o7C66Eav091923@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: adrian Date: Thu Aug 12 06:06:14 2010 New Revision: 211206 URL: http://svn.freebsd.org/changeset/base/211206 Log: Add a couple of functions to check NF calibration progress / completion. Modified: head/sys/dev/ath/ath_hal/ar5212/ar5212.h head/sys/dev/ath/ath_hal/ar5212/ar5212_misc.c Modified: head/sys/dev/ath/ath_hal/ar5212/ar5212.h ============================================================================== --- head/sys/dev/ath/ath_hal/ar5212/ar5212.h Thu Aug 12 05:59:55 2010 (r211205) +++ head/sys/dev/ath/ath_hal/ar5212/ar5212.h Thu Aug 12 06:06:14 2010 (r211206) @@ -608,4 +608,8 @@ extern void ar5212AniPoll(struct ath_hal 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_ */ Modified: head/sys/dev/ath/ath_hal/ar5212/ar5212_misc.c ============================================================================== --- head/sys/dev/ath/ath_hal/ar5212/ar5212_misc.c Thu Aug 12 05:59:55 2010 (r211205) +++ head/sys/dev/ath/ath_hal/ar5212/ar5212_misc.c Thu Aug 12 06:06:14 2010 (r211206) @@ -1071,3 +1071,38 @@ ar5212GetDiagState(struct ath_hal *ah, i } 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; +}
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201008120606.o7C66Eav091923>