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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>
This commit is contained in:
Sujith Manoharan 2015-02-05 10:22:42 +05:30 committed by Kalle Valo
parent b39adc63bf
commit 6aaefab6cf
2 changed files with 19 additions and 5 deletions
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16
drivers/net/wireless/ath/ath9k/ar9003_wow.c
View File

@ -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.

8
drivers/net/wireless/ath/ath9k/reg_wow.h
View File

@ -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)