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yaml
---
r: 328398
b: refs/heads/master
c: 5160b46
h: refs/heads/master
v: v3
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Sujith Manoharan authored and John W. Linville committed Sep 28, 2012
1 parent 0c098e5 commit 490b7b3
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Showing 5 changed files with 40 additions and 33 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5570a914f28f58de6839a4d532e98eb8167bd57d
refs/heads/master: 5160b46f3e53c41c4c6b9e7cdbe0401d3afbfb63
61 changes: 32 additions & 29 deletions trunk/drivers/net/wireless/ath/ath9k/btcoex.c
Original file line number Diff line number Diff line change
Expand Up @@ -43,8 +43,8 @@ static const u32 ar9003_wlan_weights[ATH_BTCOEX_STOMP_MAX]
{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* STOMP_NONE */
};

static const u32 ar9462_wlan_weights[ATH_BTCOEX_STOMP_MAX]
[AR9300_NUM_WLAN_WEIGHTS] = {
static const u32 mci_wlan_weights[ATH_BTCOEX_STOMP_MAX]
[AR9300_NUM_WLAN_WEIGHTS] = {
{ 0x01017d01, 0x41414101, 0x41414101, 0x41414141 }, /* STOMP_ALL */
{ 0x01017d01, 0x3b3b3b01, 0x3b3b3b01, 0x3b3b3b3b }, /* STOMP_LOW */
{ 0x01017d01, 0x01010101, 0x01010101, 0x01010101 }, /* STOMP_NONE */
Expand Down Expand Up @@ -208,14 +208,37 @@ static void ath9k_hw_btcoex_enable_2wire(struct ath_hw *ah)
AR_GPIO_OUTPUT_MUX_AS_TX_FRAME);
}

/*
* For AR9002, bt_weight/wlan_weight are used.
* For AR9003 and above, stomp_type is used.
*/
void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
u32 bt_weight,
u32 wlan_weight)
u32 wlan_weight,
enum ath_stomp_type stomp_type)
{
struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;

btcoex_hw->bt_coex_weights = SM(bt_weight, AR_BTCOEX_BT_WGHT) |
SM(wlan_weight, AR_BTCOEX_WL_WGHT);
if (AR_SREV_9300_20_OR_LATER(ah)) {
const u32 *weight = ar9003_wlan_weights[stomp_type];
int i;

if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) {
if ((stomp_type == ATH_BTCOEX_STOMP_LOW) &&
btcoex_hw->mci.stomp_ftp)
stomp_type = ATH_BTCOEX_STOMP_LOW_FTP;
weight = mci_wlan_weights[stomp_type];
}

for (i = 0; i < AR9300_NUM_WLAN_WEIGHTS; i++) {
btcoex_hw->bt_weight[i] = AR9300_BT_WGHT;
btcoex_hw->wlan_weight[i] = weight[i];
}
} else {
btcoex_hw->bt_coex_weights =
SM(bt_weight, AR_BTCOEX_BT_WGHT) |
SM(wlan_weight, AR_BTCOEX_WL_WGHT);
}
}
EXPORT_SYMBOL(ath9k_hw_btcoex_set_weight);

Expand Down Expand Up @@ -332,49 +355,29 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah)
}
EXPORT_SYMBOL(ath9k_hw_btcoex_disable);

static void ar9003_btcoex_bt_stomp(struct ath_hw *ah,
enum ath_stomp_type stomp_type)
{
struct ath_btcoex_hw *btcoex = &ah->btcoex_hw;
const u32 *weight = ar9003_wlan_weights[stomp_type];
int i;

if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) {
if ((stomp_type == ATH_BTCOEX_STOMP_LOW) &&
btcoex->mci.stomp_ftp)
stomp_type = ATH_BTCOEX_STOMP_LOW_FTP;
weight = ar9462_wlan_weights[stomp_type];
}

for (i = 0; i < AR9300_NUM_WLAN_WEIGHTS; i++) {
btcoex->bt_weight[i] = AR9300_BT_WGHT;
btcoex->wlan_weight[i] = weight[i];
}
}

/*
* Configures appropriate weight based on stomp type.
*/
void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
enum ath_stomp_type stomp_type)
{
if (AR_SREV_9300_20_OR_LATER(ah)) {
ar9003_btcoex_bt_stomp(ah, stomp_type);
ath9k_hw_btcoex_set_weight(ah, 0, 0, stomp_type);
return;
}

switch (stomp_type) {
case ATH_BTCOEX_STOMP_ALL:
ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
AR_STOMP_ALL_WLAN_WGHT);
AR_STOMP_ALL_WLAN_WGHT, 0);
break;
case ATH_BTCOEX_STOMP_LOW:
ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
AR_STOMP_LOW_WLAN_WGHT);
AR_STOMP_LOW_WLAN_WGHT, 0);
break;
case ATH_BTCOEX_STOMP_NONE:
ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
AR_STOMP_NONE_WLAN_WGHT);
AR_STOMP_NONE_WLAN_WGHT, 0);
break;
default:
ath_dbg(ath9k_hw_common(ah), BTCOEX, "Invalid Stomptype\n");
Expand Down
3 changes: 2 additions & 1 deletion trunk/drivers/net/wireless/ath/ath9k/btcoex.h
Original file line number Diff line number Diff line change
Expand Up @@ -107,7 +107,8 @@ void ath9k_hw_btcoex_init_mci(struct ath_hw *ah);
void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
u32 bt_weight,
u32 wlan_weight);
u32 wlan_weight,
enum ath_stomp_type stomp_type);
void ath9k_hw_btcoex_disable(struct ath_hw *ah);
void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
enum ath_stomp_type stomp_type);
Expand Down
5 changes: 4 additions & 1 deletion trunk/drivers/net/wireless/ath/ath9k/gpio.c
Original file line number Diff line number Diff line change
Expand Up @@ -395,7 +395,10 @@ void ath9k_start_btcoex(struct ath_softc *sc)
!ah->btcoex_hw.enabled) {
if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI))
ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
AR_STOMP_LOW_WLAN_WGHT);
AR_STOMP_LOW_WLAN_WGHT, 0);
else
ath9k_hw_btcoex_set_weight(ah, 0, 0,
ATH_BTCOEX_STOMP_NONE);
ath9k_hw_btcoex_enable(ah);

if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE)
Expand Down
2 changes: 1 addition & 1 deletion trunk/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
Original file line number Diff line number Diff line change
Expand Up @@ -161,7 +161,7 @@ void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv)

if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE) {
ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
AR_STOMP_LOW_WLAN_WGHT);
AR_STOMP_LOW_WLAN_WGHT, 0);
ath9k_hw_btcoex_enable(ah);
ath_htc_resume_btcoex_work(priv);
}
Expand Down

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