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authorAlina Friedrichsen <x-alina@gmx.net>2009-02-25 00:49:18 +0100
committerJohn W. Linville <linville@tuxdriver.com>2009-03-05 14:39:30 -0500
commit5fe73197d359248cbf32dfd3280540d6a0dfd31c (patch)
tree87ae431ca5bea9e5874b2f7cfd50b632b4845ab5
parentb3bd89ce956c220fe52a003103f14af48f695fda (diff)
zd1211rw: Implement get_tsf()
This patch implements get_tsf() of ieee80211_ops in the zd1211rw driver. Signed-off-by: Alina Friedrichsen <x-alina@gmx.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/zd1211rw/zd_chip.c21
-rw-r--r--drivers/net/wireless/zd1211rw/zd_chip.h2
-rw-r--r--drivers/net/wireless/zd1211rw/zd_mac.c7
3 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
index f1519143f8a..2c813d87092 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.c
+++ b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -1616,3 +1616,24 @@ int zd_chip_set_multicast_hash(struct zd_chip *chip,
return zd_iowrite32a(chip, ioreqs, ARRAY_SIZE(ioreqs));
}
+
+u64 zd_chip_get_tsf(struct zd_chip *chip)
+{
+ int r;
+ static const zd_addr_t aw_pt_bi_addr[] =
+ { CR_TSF_LOW_PART, CR_TSF_HIGH_PART };
+ u32 values[2];
+ u64 tsf;
+
+ mutex_lock(&chip->mutex);
+ r = zd_ioread32v_locked(chip, values, (const zd_addr_t *)aw_pt_bi_addr,
+ ARRAY_SIZE(aw_pt_bi_addr));
+ mutex_unlock(&chip->mutex);
+ if (r)
+ return 0;
+
+ tsf = values[1];
+ tsf = (tsf << 32) | values[0];
+
+ return tsf;
+}
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.h b/drivers/net/wireless/zd1211rw/zd_chip.h
index f8c061a9b6e..ee42751d5cb 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.h
+++ b/drivers/net/wireless/zd1211rw/zd_chip.h
@@ -950,4 +950,6 @@ static inline void zd_mc_add_addr(struct zd_mc_hash *hash, u8 *addr)
int zd_chip_set_multicast_hash(struct zd_chip *chip,
struct zd_mc_hash *hash);
+u64 zd_chip_get_tsf(struct zd_chip *chip);
+
#endif /* _ZD_CHIP_H */
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index da9214e33a5..0b01ff036aa 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -935,6 +935,12 @@ static void zd_op_bss_info_changed(struct ieee80211_hw *hw,
}
}
+static u64 zd_op_get_tsf(struct ieee80211_hw *hw)
+{
+ struct zd_mac *mac = zd_hw_mac(hw);
+ return zd_chip_get_tsf(&mac->chip);
+}
+
static const struct ieee80211_ops zd_ops = {
.tx = zd_op_tx,
.start = zd_op_start,
@@ -945,6 +951,7 @@ static const struct ieee80211_ops zd_ops = {
.config_interface = zd_op_config_interface,
.configure_filter = zd_op_configure_filter,
.bss_info_changed = zd_op_bss_info_changed,
+ .get_tsf = zd_op_get_tsf,
};
struct ieee80211_hw *zd_mac_alloc_hw(struct usb_interface *intf)