add TBTT interrupt support; this was added in Griffin so consumers should

check HAL_CAP_INTRMASK before using it

NB: didn't test 11n parts yet so supported only for 5212-class parts

4 files changed, 15 insertions, 5 deletions

diff --git a/sys/dev/ath/ath_hal/ah.h b/sys/dev/ath/ath_hal/ah.h
index faeec97..e91ad93 100644
--- a/sys/dev/ath/ath_hal/ah.h
+++ b/sys/dev/ath/ath_hal/ah.h
@@ -335,6 +335,7 @@ typedef enum {
 	HAL_INT_GPIO	= 0x01000000,
 	HAL_INT_CABEND	= 0x02000000,	/* Non-common mapping */
 	HAL_INT_TSFOOR	= 0x04000000,	/* Non-common mapping */
+	HAL_INT_TBTT	= 0x08000000,	/* Non-common mapping */
 	HAL_INT_CST	= 0x10000000,	/* Non-common mapping */
 	HAL_INT_GTT	= 0x20000000,	/* Non-common mapping */
 	HAL_INT_FATAL	= 0x40000000,	/* Non-common mapping */
@@ -342,7 +343,8 @@ typedef enum {
 	HAL_INT_BMISC	= HAL_INT_TIM
 			| HAL_INT_DTIM
 			| HAL_INT_DTIMSYNC
-			| HAL_INT_CABEND,
+			| HAL_INT_CABEND
+			| HAL_INT_TBTT,
 
 	/* Interrupt bits that map directly to ISR/IMR bits */
 	HAL_INT_COMMON  = HAL_INT_RXNOFRM
diff --git a/sys/dev/ath/ath_hal/ar5212/ar5212_attach.c b/sys/dev/ath/ath_hal/ar5212/ar5212_attach.c
index 63856a4..60e1521 100644
--- a/sys/dev/ath/ath_hal/ar5212/ar5212_attach.c
+++ b/sys/dev/ath/ath_hal/ar5212/ar5212_attach.c
@@ -847,6 +847,8 @@ ar5212FillCapabilityInfo(struct ath_hal *ah)
 			| HAL_INT_BNR
 			| HAL_INT_BMISC
 			;
+	if (AH_PRIVATE(ah)->ah_macVersion < AR_SREV_VERSION_GRIFFIN)
+		pCap->halIntrMask &= ~HAL_INT_TBTT;
 
 	return AH_TRUE;
 #undef IS_COBRA
diff --git a/sys/dev/ath/ath_hal/ar5212/ar5212_interrupts.c b/sys/dev/ath/ath_hal/ar5212/ar5212_interrupts.c
index 112bbeb..b9cee9a 100644
--- a/sys/dev/ath/ath_hal/ar5212/ar5212_interrupts.c
+++ b/sys/dev/ath/ath_hal/ar5212/ar5212_interrupts.c
@@ -70,6 +70,8 @@ ar5212GetPendingInterrupts(struct ath_hal *ah, HAL_INT *masked)
 			mask2 |= HAL_INT_DTIMSYNC;
 		if (isr2 & AR_ISR_S2_CABEND)
 			mask2 |= HAL_INT_CABEND;
+		if (isr2 & AR_ISR_S2_TBTT)
+			mask2 |= HAL_INT_TBTT;
 	}
 	isr = OS_REG_READ(ah, AR_ISR_RAC);
 	if (isr == 0xffffffff) {
@@ -172,6 +174,8 @@ ar5212SetInterrupts(struct ath_hal *ah, HAL_INT ints)
 			mask2 |= AR_IMR_S2_DTIMSYNC;
 		if (ints & HAL_INT_CABEND)
 			mask2 |= AR_IMR_S2_CABEND;
+		if (ints & HAL_INT_TBTT)
+			mask2 |= AR_IMR_S2_TBTT;
 	}
 	if (ints & HAL_INT_FATAL) {
 		/*
diff --git a/sys/dev/ath/ath_hal/ar5212/ar5212reg.h b/sys/dev/ath/ath_hal/ar5212/ar5212reg.h
index f4e255f..ef6d600 100644
--- a/sys/dev/ath/ath_hal/ar5212/ar5212reg.h
+++ b/sys/dev/ath/ath_hal/ar5212/ar5212reg.h
@@ -463,7 +463,8 @@
 #define	AR_ISR_S2_BCNTO		0x08000000 /* BCNTO */
 #define	AR_ISR_S2_CABTO		0x10000000 /* CABTO */
 #define	AR_ISR_S2_DTIM		0x20000000 /* DTIM */
-#define	AR_ISR_S2_RESV0		0xE0F8FC00 /* Reserved */
+#define	AR_ISR_S2_TSFOOR	0x40000000 /* TSF OOR */
+#define	AR_ISR_S2_TBTT		0x80000000 /* TBTT timer */
 
 #define	AR_ISR_S3_QCU_QCBROVF	0x000003FF /* Mask for QCBROVF (QCU 0-9) */
 #define	AR_ISR_S3_QCU_QCBRURN	0x03FF0000 /* Mask for QCBRURN (QCU 0-9) */
@@ -531,13 +532,14 @@
 #define	AR_IMR_S2_BCNTO		0x08000000 /* BCNTO */
 #define	AR_IMR_S2_CABTO		0x10000000 /* CABTO */
 #define	AR_IMR_S2_DTIM		0x20000000 /* DTIM */
-#define	AR_IMR_S2_TSFOOR	0x80000000 /* TSF OOR */
-#define	AR_IMR_S2_RESV0		0xE0F8FC00 /* Reserved */
+#define	AR_IMR_S2_TSFOOR	0x40000000 /* TSF OOR */
+#define	AR_IMR_S2_TBTT		0x80000000 /* TBTT timer */
 
 /* AR_IMR_SR2 bits that correspond to AR_IMR_BCNMISC */
 #define	AR_IMR_SR2_BCNMISC \
 	(AR_IMR_S2_TIM | AR_IMR_S2_DTIM | AR_IMR_S2_DTIMSYNC | \
-	 AR_IMR_S2_CABEND | AR_IMR_S2_CABTO  | AR_IMR_S2_TSFOOR)
+	 AR_IMR_S2_CABEND | AR_IMR_S2_CABTO  | AR_IMR_S2_TSFOOR | \
+	 AR_IMR_S2_TBTT)
 
 #define	AR_IMR_S3_QCU_QCBROVF	0x000003FF /* Mask for QCBROVF (QCU 0-9) */
 #define	AR_IMR_S3_QCU_QCBRURN	0x03FF0000 /* Mask for QCBRURN (QCU 0-9) */