ath9k: Enable TSF Out of Range Interrupt

This patch lays the groundwork for handling TSF Out of Range
interrupt, which will be used for power save later on.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath9k/hw.h b/drivers/net/wireless/ath9k/hw.h
index 82111636c693..587a78db748d 100644
--- a/drivers/net/wireless/ath9k/hw.h
+++ b/drivers/net/wireless/ath9k/hw.h
@@ -249,6 +249,7 @@ enum ath9k_int {
         ATH9K_INT_DTIMSYNC = 0x00800000,
         ATH9K_INT_GPIO = 0x01000000,
         ATH9K_INT_CABEND = 0x02000000,
+        ATH9K_INT_TSFOOR = 0x04000000,
         ATH9K_INT_CST = 0x10000000,
         ATH9K_INT_GTT = 0x20000000,
         ATH9K_INT_FATAL = 0x40000000,
@@ -256,6 +257,7 @@ enum ath9k_int {
         ATH9K_INT_BMISC = ATH9K_INT_TIM |
                 ATH9K_INT_DTIM |
                 ATH9K_INT_DTIMSYNC |
+                ATH9K_INT_TSFOOR |
                 ATH9K_INT_CABEND,
         ATH9K_INT_COMMON = ATH9K_INT_RXNOFRM |
                 ATH9K_INT_RXDESC |
@@ -385,6 +387,7 @@ struct ath9k_beacon_state {
 #define ATH9K_BEACON_PERIOD       0x0000ffff
 #define ATH9K_BEACON_ENA          0x00800000
 #define ATH9K_BEACON_RESET_TSF    0x01000000
+#define ATH9K_TSFOOR_THRESHOLD    0x00004240 /* 16k us */
         u32 bs_dtimperiod;
         u16 bs_cfpperiod;
         u16 bs_cfpmaxduration;
@@ -392,6 +395,7 @@ struct ath9k_beacon_state {
         u16 bs_timoffset;
         u16 bs_bmissthreshold;
         u32 bs_sleepduration;
+        u32 bs_tsfoor_threshold;
 };
 
 struct chan_centers {