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ath9k_htc: Add support for bluetooth coexistence.

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Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vivek Natarajan
2010-08-18 19:57:49 +05:30
committed by John W. Linville
parent d99eeb8742
commit 21cb987914
11 changed files with 230 additions and 22 deletions
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42
drivers/net/wireless/ath/ath9k/htc_drv_init.c
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@ -41,6 +41,8 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
.max_power = 20, \
}
#define ATH_HTC_BTCOEX_PRODUCT_ID "wb193"
static struct ieee80211_channel ath9k_2ghz_channels[] = {
CHAN2G(2412, 0), /* Channel 1 */
CHAN2G(2417, 1), /* Channel 2 */
@ -605,7 +607,31 @@ static void ath9k_init_misc(struct ath9k_htc_priv *priv)
priv->ah->opmode = NL80211_IFTYPE_STATION;
}
static int ath9k_init_priv(struct ath9k_htc_priv *priv, u16 devid)
static void ath9k_init_btcoex(struct ath9k_htc_priv *priv)
{
int qnum;
switch (priv->ah->btcoex_hw.scheme) {
case ATH_BTCOEX_CFG_NONE:
break;
case ATH_BTCOEX_CFG_3WIRE:
priv->ah->btcoex_hw.btactive_gpio = 7;
priv->ah->btcoex_hw.btpriority_gpio = 6;
priv->ah->btcoex_hw.wlanactive_gpio = 8;
priv->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
ath9k_hw_btcoex_init_3wire(priv->ah);
ath_htc_init_btcoex_work(priv);
qnum = priv->hwq_map[WME_AC_BE];
ath9k_hw_init_btcoex_hw(priv->ah, qnum);
break;
default:
WARN_ON(1);
break;
}
}
static int ath9k_init_priv(struct ath9k_htc_priv *priv,
u16 devid, char *product)
{
struct ath_hw *ah = NULL;
struct ath_common *common;
@ -672,6 +698,11 @@ static int ath9k_init_priv(struct ath9k_htc_priv *priv, u16 devid)
ath9k_init_channels_rates(priv);
ath9k_init_misc(priv);
if (product && strncmp(product, ATH_HTC_BTCOEX_PRODUCT_ID, 5) == 0) {
ah->btcoex_hw.scheme = ATH_BTCOEX_CFG_3WIRE;
ath9k_init_btcoex(priv);
}
return 0;
err_queues:
@ -734,7 +765,8 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
}
static int ath9k_init_device(struct ath9k_htc_priv *priv, u16 devid)
static int ath9k_init_device(struct ath9k_htc_priv *priv,
u16 devid, char *product)
{
struct ieee80211_hw *hw = priv->hw;
struct ath_common *common;
@ -743,7 +775,7 @@ static int ath9k_init_device(struct ath9k_htc_priv *priv, u16 devid)
struct ath_regulatory *reg;
/* Bring up device */
error = ath9k_init_priv(priv, devid);
error = ath9k_init_priv(priv, devid, product);
if (error != 0)
goto err_init;
@ -801,7 +833,7 @@ err_init:
}
int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
u16 devid)
u16 devid, char *product)
{
struct ieee80211_hw *hw;
struct ath9k_htc_priv *priv;
@ -835,7 +867,7 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
/* The device may have been unplugged earlier. */
priv->op_flags &= ~OP_UNPLUGGED;
ret = ath9k_init_device(priv, devid);
ret = ath9k_init_device(priv, devid, product);
if (ret)
goto err_init;