diff options
| author | Vasanthakumar Thiagarajan <vasanth@atheros.com> | 2009-09-09 15:25:50 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-09-09 11:25:26 -0400 |
| commit | fe12946e66575677879941a14f75b70ca2d2962a (patch) | |
| tree | 19934be9ee0097aaad6950ea3e588092cc2a94b4 /drivers/net/wireless/ath | |
| parent | aeac355d23fb13a2082a8740ae7cf9408a71ec2c (diff) | |
| download | lwn-fe12946e66575677879941a14f75b70ca2d2962a.tar.gz lwn-fe12946e66575677879941a14f75b70ca2d2962a.zip | |
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>
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/btcoex.c | 23 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/btcoex.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.h | 4 |
4 files changed, 30 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c index e8bfb01ee78a..55f607b7699e 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.c +++ b/drivers/net/wireless/ath/ath9k/btcoex.c @@ -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 diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h index 45568196c59a..f1baf66e2ecd 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.h +++ b/drivers/net/wireless/ath/ath9k/btcoex.h @@ -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); diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 97a09dba76de..8d77817f67a4 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -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; diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 64ea547adef0..9106a0b537dd 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -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)) |