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path: root/drivers/net/wireless/ath/ath9k/btcoex.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/btcoex.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.c77
1 files changed, 57 insertions, 20 deletions
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index a6712a95d76a..ec3271993411 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -68,9 +68,6 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum)
u32 i, idx;
bool rxclear_polarity = ath_bt_config.bt_rxclear_polarity;
- if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
- return;
-
if (AR_SREV_9300_20_OR_LATER(ah))
rxclear_polarity = !ath_bt_config.bt_rxclear_polarity;
@@ -98,12 +95,43 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum)
}
EXPORT_SYMBOL(ath9k_hw_init_btcoex_hw);
-void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
+void ath9k_hw_btcoex_init_scheme(struct ath_hw *ah)
{
+ struct ath_common *common = ath9k_hw_common(ah);
struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
- if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
+ /*
+ * Check if BTCOEX is globally disabled.
+ */
+ if (!common->btcoex_enabled) {
+ btcoex_hw->scheme = ATH_BTCOEX_CFG_NONE;
return;
+ }
+
+ if (AR_SREV_9462(ah)) {
+ btcoex_hw->scheme = ATH_BTCOEX_CFG_MCI;
+ } else if (AR_SREV_9300_20_OR_LATER(ah)) {
+ btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE;
+ btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO_9300;
+ btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO_9300;
+ btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO_9300;
+ } else if (AR_SREV_9280_20_OR_LATER(ah)) {
+ btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO_9280;
+ btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO_9280;
+
+ if (AR_SREV_9285(ah)) {
+ btcoex_hw->scheme = ATH_BTCOEX_CFG_3WIRE;
+ btcoex_hw->btpriority_gpio = ATH_BTPRIORITY_GPIO_9285;
+ } else {
+ btcoex_hw->scheme = ATH_BTCOEX_CFG_2WIRE;
+ }
+ }
+}
+EXPORT_SYMBOL(ath9k_hw_btcoex_init_scheme);
+
+void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
+{
+ struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
/* connect bt_active to baseband */
REG_CLR_BIT(ah, AR_GPIO_INPUT_EN_VAL,
@@ -127,9 +155,6 @@ void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
{
struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
- if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
- return;
-
/* btcoex 3-wire */
REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
(AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB |
@@ -152,13 +177,34 @@ void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
}
EXPORT_SYMBOL(ath9k_hw_btcoex_init_3wire);
+void ath9k_hw_btcoex_init_mci(struct ath_hw *ah)
+{
+ ah->btcoex_hw.mci.ready = false;
+ ah->btcoex_hw.mci.bt_state = 0;
+ ah->btcoex_hw.mci.bt_ver_major = 3;
+ ah->btcoex_hw.mci.bt_ver_minor = 0;
+ ah->btcoex_hw.mci.bt_version_known = false;
+ ah->btcoex_hw.mci.update_2g5g = true;
+ ah->btcoex_hw.mci.is_2g = true;
+ ah->btcoex_hw.mci.wlan_channels_update = false;
+ ah->btcoex_hw.mci.wlan_channels[0] = 0x00000000;
+ ah->btcoex_hw.mci.wlan_channels[1] = 0xffffffff;
+ ah->btcoex_hw.mci.wlan_channels[2] = 0xffffffff;
+ ah->btcoex_hw.mci.wlan_channels[3] = 0x7fffffff;
+ ah->btcoex_hw.mci.query_bt = true;
+ ah->btcoex_hw.mci.unhalt_bt_gpm = true;
+ ah->btcoex_hw.mci.halted_bt_gpm = false;
+ ah->btcoex_hw.mci.need_flush_btinfo = false;
+ ah->btcoex_hw.mci.wlan_cal_seq = 0;
+ ah->btcoex_hw.mci.wlan_cal_done = 0;
+ ah->btcoex_hw.mci.config = 0x2201;
+}
+EXPORT_SYMBOL(ath9k_hw_btcoex_init_mci);
+
static void ath9k_hw_btcoex_enable_2wire(struct ath_hw *ah)
{
struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
- if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
- return;
-
/* Configure the desired GPIO port for TX_FRAME output */
ath9k_hw_cfg_output(ah, btcoex_hw->wlanactive_gpio,
AR_GPIO_OUTPUT_MUX_AS_TX_FRAME);
@@ -170,9 +216,6 @@ void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
{
struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
- if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
- return;
-
btcoex_hw->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
SM(wlan_weight, AR_BTCOEX_WL_WGHT);
}
@@ -261,9 +304,6 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah)
struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
int i;
- if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
- return;
-
btcoex_hw->enabled = false;
if (btcoex_hw->scheme == ATH_BTCOEX_CFG_MCI) {
ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE);
@@ -312,9 +352,6 @@ static void ar9003_btcoex_bt_stomp(struct ath_hw *ah,
void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
enum ath_stomp_type stomp_type)
{
- if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_NONE)
- return;
-
if (AR_SREV_9300_20_OR_LATER(ah)) {
ar9003_btcoex_bt_stomp(ah, stomp_type);
return;