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ath9k: Enable btcoex based on the subsystem id of the device 

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2009-09-09 15:25:50 +05:30 committed by John W. Linville
parent aeac355d23
commit fe12946e66
4 changed files with 30 additions and 1 deletions
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23
drivers/net/wireless/ath/ath9k/btcoex.c
View File

@ -19,6 +19,29 @@
static const struct ath_btcoex_config ath_bt_config = { 0, true, true,
ATH_BT_COEX_MODE_SLOTTED, true, true, 2, 5, true };
static const u16 ath_subsysid_tbl[] = {
AR9280_COEX2WIRE_SUBSYSID,
AT9285_COEX3WIRE_SA_SUBSYSID,
AT9285_COEX3WIRE_DA_SUBSYSID
};
/*
* Checks the subsystem id of the device to see if it
* supports btcoex
*/
bool ath_btcoex_supported(u16 subsysid)
{
int i;
if (!subsysid)
return false;
for (i = 0; i < ARRAY_SIZE(ath_subsysid_tbl); i++)
if (subsysid == ath_subsysid_tbl[i])
return true;
return false;
}
/*
* Detects if there is any priority bt traffic

1
drivers/net/wireless/ath/ath9k/btcoex.h
View File

@ -79,6 +79,7 @@ struct ath_btcoex_info {
struct ath_gen_timer *no_stomp_timer; /*Timer for no BT stomping*/
};
bool ath_btcoex_supported(u16 subsysid);
int ath9k_hw_btcoex_init(struct ath_hw *ah);
void ath9k_hw_btcoex_enable(struct ath_hw *ah);
void ath9k_hw_btcoex_disable(struct ath_hw *ah);

3
drivers/net/wireless/ath/ath9k/hw.c
View File

@ -3690,7 +3690,8 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
pCap->num_antcfg_2ghz =
ah->eep_ops->get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_2GHZ);
if (AR_SREV_9280_10_OR_LATER(ah) && btcoex_enable) {
if (AR_SREV_9280_10_OR_LATER(ah) &&
ath_btcoex_supported(ah->hw_version.subsysid)) {
btcoex_info->btactive_gpio = ATH_BTACTIVE_GPIO;
btcoex_info->wlanactive_gpio = ATH_WLANACTIVE_GPIO;

4
drivers/net/wireless/ath/ath9k/hw.h
View File

@ -45,6 +45,10 @@
#define AR5416_DEVID_AR9287_PCI 0x002D
#define AR5416_DEVID_AR9287_PCIE 0x002E
#define AR9280_COEX2WIRE_SUBSYSID 0x309b
#define AT9285_COEX3WIRE_SA_SUBSYSID 0x30aa
#define AT9285_COEX3WIRE_DA_SUBSYSID 0x30ab
/* Register read/write primitives */
#define REG_WRITE(_ah, _reg, _val) ath9k_iowrite32((_ah), (_reg), (_val))
#define REG_READ(_ah, _reg) ath9k_ioread32((_ah), (_reg))