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Commit 4776d349 authored by Yan-Hsuan Chuang's avatar Yan-Hsuan Chuang Committed by Kalle Valo
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rtlwifi: btcoex: 21a 2ant: monitor if bt is slave or not 



We monitor the packet counter to guess if the bt is slave or not, and
when bt is slave, it may receive packet at any time, so we will have to
take care about it

Signed-off-by: default avatarYan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Cc: Pkshih <pkshih@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 930d2bf2

drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c

+8 −0
Original line number Diff line number Diff line
@@ -268,6 +268,7 @@ void btc8821a2ant_limited_rx(struct btc_coexist *btcoexist, bool force_exec, 
static void btc8821a2ant_monitor_bt_ctr(struct btc_coexist *btcoexist)

{

	struct rtl_priv *rtlpriv = btcoexist->adapter;

	struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;

	u32 reg_hp_txrx, reg_lp_txrx, u4tmp;

	u32 reg_hp_tx = 0, reg_hp_rx = 0, reg_lp_tx = 0, reg_lp_rx = 0;
@@ -287,6 +288,13 @@ static void btc8821a2ant_monitor_bt_ctr(struct btc_coexist *btcoexist) 
	coex_sta->low_priority_tx = reg_lp_tx;

	coex_sta->low_priority_rx = reg_lp_rx;



	if ((coex_sta->low_priority_rx >= 950) &&

	    (coex_sta->low_priority_rx >= coex_sta->low_priority_tx) &&

	    (!coex_sta->under_ips))

		bt_link_info->slave_role = true;

	else

		bt_link_info->slave_role = false;



	RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,

		 "[BTCoex], High Priority Tx/Rx (reg 0x%x) = 0x%x(%d)/0x%x(%d)\n",

		    reg_hp_txrx, reg_hp_tx, reg_hp_tx, reg_hp_rx, reg_hp_rx);