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ath9k_hw: set btcoex weights for AR9462

Browse source 
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rajkumar Manoharan 2011-11-12 19:35:48 +05:30 committed by John W. Linville
parent 54f10b059e
commit 8227bf4554
3 changed files with 37 additions and 4 deletions
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37
drivers/net/wireless/ath/ath9k/btcoex.c
View file

@ -42,6 +42,14 @@ 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] = {
{ 0x01017d01, 0x41414101, 0x41414101, 0x41414141 }, /* STOMP_ALL */
{ 0x01017d01, 0x3b3b3b01, 0x3b3b3b01, 0x3b3b3b3b }, /* STOMP_LOW */
{ 0x01017d01, 0x01010101, 0x01010101, 0x01010101 }, /* STOMP_NONE */
{ 0x01017d01, 0x013b0101, 0x3b3b0101, 0x3b3b013b }, /* STOMP_LOW_FTP */
};
void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum)
{
struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
@ -193,6 +201,19 @@ static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah)
AR_GPIO_OUTPUT_MUX_AS_RX_CLEAR_EXTERNAL);
}
static void ath9k_hw_btcoex_enable_mci(struct ath_hw *ah)
{
struct ath_btcoex_hw *btcoex = &ah->btcoex_hw;
int i;
for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++)
REG_WRITE(ah, AR_MCI_COEX_WL_WEIGHTS(i),
btcoex->wlan_weight[i]);
REG_RMW_FIELD(ah, AR_QUIET1, AR_QUIET1_QUIET_ACK_CTS_ENABLE, 1);
btcoex->enabled = true;
}
void ath9k_hw_btcoex_enable(struct ath_hw *ah)
{
struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
@ -206,6 +227,9 @@ void ath9k_hw_btcoex_enable(struct ath_hw *ah)
case ATH_BTCOEX_CFG_3WIRE:
ath9k_hw_btcoex_enable_3wire(ah);
break;
case ATH_BTCOEX_CFG_MCI:
ath9k_hw_btcoex_enable_mci(ah);
return;
}
REG_RMW(ah, AR_GPIO_PDPU,
@ -221,6 +245,13 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah)
struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
int i;
btcoex_hw->enabled = false;
if (btcoex_hw->scheme == ATH_BTCOEX_CFG_MCI) {
ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE);
for (i = 0; i < AR9300_NUM_BT_WEIGHTS; i++)
REG_WRITE(ah, AR_MCI_COEX_WL_WEIGHTS(i),
btcoex_hw->wlan_weight[i]);
}
ath9k_hw_set_gpio(ah, btcoex_hw->wlanactive_gpio, 0);
ath9k_hw_cfg_output(ah, btcoex_hw->wlanactive_gpio,
@ -239,8 +270,6 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah)
REG_WRITE(ah, AR_BT_COEX_WEIGHT, 0);
}
ah->btcoex_hw.enabled = false;
}
EXPORT_SYMBOL(ath9k_hw_btcoex_disable);
@ -248,11 +277,13 @@ 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 = AR_SREV_9462(ah) ? ar9003_wlan_weights[stomp_type] :
ar9462_wlan_weights[stomp_type];
int i;
for (i = 0; i < AR9300_NUM_WLAN_WEIGHTS; i++) {
btcoex->bt_weight[i] = AR9300_BT_WGHT;
btcoex->wlan_weight[i] = ar9003_wlan_weights[stomp_type][i];
btcoex->wlan_weight[i] = weight[i];
}
}

2
drivers/net/wireless/ath/ath9k/btcoex.h
View file

@ -43,6 +43,7 @@ enum ath_stomp_type {
ATH_BTCOEX_STOMP_ALL,
ATH_BTCOEX_STOMP_LOW,
ATH_BTCOEX_STOMP_NONE,
ATH_BTCOEX_STOMP_LOW_FTP,
ATH_BTCOEX_STOMP_MAX
};
@ -50,6 +51,7 @@ enum ath_btcoex_scheme {
ATH_BTCOEX_CFG_NONE,
ATH_BTCOEX_CFG_2WIRE,
ATH_BTCOEX_CFG_3WIRE,
ATH_BTCOEX_CFG_MCI,
};
struct ath_btcoex_hw {

2
drivers/net/wireless/ath/ath9k/reg.h
View file

@ -1752,7 +1752,7 @@ enum {
#define AR_BT_COEX_WL_WEIGHTS0 0x8174
#define AR_BT_COEX_WL_WEIGHTS1 0x81c4
#define AR_MCI_COEX_WL_WEIGHTS(_i) (0x18b0 + (_i << 2))
#define AR_BT_COEX_BT_WEIGHTS(_i) (0x83ac + (_i << 2))
#define AR9300_BT_WGHT 0xcccc4444