From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Thu, 5 Feb 2015 04:52:42 +0000 (+0530)
Subject: ath9k: Handle additional patterns on wakeup
X-Git-Tag: firefly_0821_release~176^2~1974^2~318^2~73
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6aaefab6cfe879246f209e39ca993deec493fa96;p=firefly-linux-kernel-4.4.55.git
ath9k: Handle additional patterns on wakeup
Handle the user-configured patterns in the range 8..15
when waking up and update wow_status correctly.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_wow.c b/drivers/net/wireless/ath/ath9k/ar9003_wow.c
index bf3378f03b9a..34763c4b871b 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_wow.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_wow.c
@@ -186,18 +186,17 @@ u32 ath9k_hw_wow_wakeup(struct ath_hw *ah)
u32 val = 0, rval;
/*
- * read the WoW status register to know
- * the wakeup reason
+ * Read the WoW status register to know
+ * the wakeup reason.
*/
rval = REG_READ(ah, AR_WOW_PATTERN);
val = AR_WOW_STATUS(rval);
/*
- * mask only the WoW events that we have enabled. Sometimes
+ * Mask only the WoW events that we have enabled. Sometimes
* we have spurious WoW events from the AR_WOW_PATTERN
* register. This mask will clean it up.
*/
-
val &= ah->wow.wow_event_mask;
if (val) {
@@ -211,6 +210,15 @@ u32 ath9k_hw_wow_wakeup(struct ath_hw *ah)
wow_status |= AH_WOW_BEACON_MISS;
}
+ rval = REG_READ(ah, AR_MAC_PCU_WOW4);
+ val = AR_WOW_STATUS2(rval);
+ val &= ah->wow.wow_event_mask2;
+
+ if (val) {
+ if (AR_WOW2_PATTERN_FOUND(val))
+ wow_status |= AH_WOW_USER_PATTERN_EN;
+ }
+
/*
* set and clear WOW_PME_CLEAR registers for the chip to
* generate next wow signal.
diff --git a/drivers/net/wireless/ath/ath9k/reg_wow.h b/drivers/net/wireless/ath/ath9k/reg_wow.h
index 3abfca56ca58..42ed4eea9e0a 100644
--- a/drivers/net/wireless/ath/ath9k/reg_wow.h
+++ b/drivers/net/wireless/ath/ath9k/reg_wow.h
@@ -72,7 +72,7 @@
#define AR_WOW_MAC_INTR_EN 0x00040000
#define AR_WOW_MAGIC_EN 0x00010000
#define AR_WOW_PATTERN_EN(x) (x & 0xff)
-#define AR_WOW_PAT_FOUND_SHIFT 8
+#define AR_WOW_PAT_FOUND_SHIFT 8
#define AR_WOW_PATTERN_FOUND(x) (x & (0xff << AR_WOW_PAT_FOUND_SHIFT))
#define AR_WOW_PATTERN_FOUND_MASK ((0xff) << AR_WOW_PAT_FOUND_SHIFT)
#define AR_WOW_MAGIC_PAT_FOUND 0x00020000
@@ -90,6 +90,12 @@
AR_WOW_BEACON_FAIL | \
AR_WOW_KEEP_ALIVE_FAIL))
+#define AR_WOW2_PATTERN_FOUND_SHIFT 8
+#define AR_WOW2_PATTERN_FOUND(x) (x & (0xff << AR_WOW2_PATTERN_FOUND_SHIFT))
+#define AR_WOW2_PATTERN_FOUND_MASK ((0xff) << AR_WOW2_PATTERN_FOUND_SHIFT)
+
+#define AR_WOW_STATUS2(x) (x & AR_WOW2_PATTERN_FOUND_MASK)
+
#define AR_WOW_AIFS_CNT(x) (x & 0xff)
#define AR_WOW_SLOT_CNT(x) ((x & 0xff) << 8)
#define AR_WOW_KEEP_ALIVE_CNT(x) ((x & 0xff) << 16)