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authorVasanthakumar Thiagarajan <vasanth@atheros.com>2009-08-26 21:08:47 +0530
committerJohn W. Linville <linville@tuxdriver.com>2009-08-28 14:40:50 -0400
commit22f25d0d5e146112d4ec464564ebb49a5b8a547b (patch)
tree31145930a77a642673dcebdf1b0c3f09485fed4c /drivers/net
parentf14462c6661c6b9e91d436f7ab66b35ed52ea703 (diff)
ath9k: Determine btcoex scheme type based on chip version
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.h7
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c12
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c4
3 files changed, 20 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index c80492bac768..cdfa80d0eb4d 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -20,7 +20,14 @@
#define ATH_WLANACTIVE_GPIO 5
#define ATH_BTACTIVE_GPIO 6
+enum ath_btcoex_scheme {
+ ATH_BTCOEX_CFG_NONE,
+ ATH_BTCOEX_CFG_2WIRE,
+ ATH_BTCOEX_CFG_3WIRE,
+};
+
struct ath_btcoex_info {
+ enum ath_btcoex_scheme btcoex_scheme;
u8 wlanactive_gpio;
u8 btactive_gpio;
};
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 3bb6abd7b2b6..7b4bc8b74bb8 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -3489,6 +3489,7 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
{
struct ath9k_hw_capabilities *pCap = &ah->caps;
struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
+ struct ath_btcoex_info *btcoex_info = &ah->ah_sc->btcoex_info;
u16 capField = 0, eeval;
@@ -3666,8 +3667,15 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
if (AR_SREV_9280_10_OR_LATER(ah) && btcoex_enable) {
pCap->hw_caps |= ATH9K_HW_CAP_BT_COEX;
- ah->ah_sc->btcoex_info.btactive_gpio = ATH_BTACTIVE_GPIO;
- ah->ah_sc->btcoex_info.wlanactive_gpio = ATH_WLANACTIVE_GPIO;
+ btcoex_info->btactive_gpio = ATH_BTACTIVE_GPIO;
+ btcoex_info->wlanactive_gpio = ATH_WLANACTIVE_GPIO;
+
+ if (AR_SREV_9285(ah))
+ btcoex_info->btcoex_scheme = ATH_BTCOEX_CFG_3WIRE;
+ else
+ btcoex_info->btcoex_scheme = ATH_BTCOEX_CFG_2WIRE;
+ } else {
+ btcoex_info->btcoex_scheme = ATH_BTCOEX_CFG_NONE;
}
}
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 878d3be7c717..8a2f000274b5 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1509,7 +1509,8 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc)
ARRAY_SIZE(ath9k_5ghz_chantable);
}
- if (ah->caps.hw_caps & ATH9K_HW_CAP_BT_COEX)
+ if ((ah->caps.hw_caps & ATH9K_HW_CAP_BT_COEX) &&
+ (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_2WIRE))
ath9k_hw_btcoex_init(ah);
return 0;
@@ -1993,6 +1994,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BT_COEX) &&
+ (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_2WIRE) &&
!(sc->sc_flags & SC_OP_BTCOEX_ENABLED))
ath9k_hw_btcoex_enable(sc->sc_ah);