ath9k: Enable btcoex based on the subsystem id of the device (fe12946e) · Commits · 戴 / test

drivers/net/wireless/ath/ath9k/btcoex.c

+23 −0

Original line number	Diff line number	Diff line
		@@ -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 −0

Original line number	Diff line number	Diff line
		@@ -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);

+2 −1

Original line number	Diff line number	Diff line
		@@ -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 −0

Original line number	Diff line number	Diff line
		@@ -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))