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Commit 4e6becc0 authored by Yan-Hsuan Chuang's avatar Yan-Hsuan Chuang Committed by Kalle Valo
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rtlwifi: btcoex: 23b 2ant: power on settings for coex 



When power on, the wifi could be initiating, force the antenna to
transmit bt packets to avoid bt unstable problems

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 7558668d

drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c

+31 −0
Original line number Diff line number Diff line
@@ -3669,6 +3669,37 @@ void ex_btc8723b2ant_init_hwconfig(struct btc_coexist *btcoexist) 
	btcoexist->btc_write_1byte_bitmask(btcoexist, 0x40, 0x20, 0x1);

}



void ex_btc8723b2ant_power_on_setting(struct btc_coexist *btcoexist)

{

	struct btc_board_info *board_info = &btcoexist->board_info;

	u16 u16tmp = 0x0;

	u32 value = 0;



	btcoexist->btc_write_1byte(btcoexist, 0x67, 0x20);



	/* enable BB, REG_SYS_FUNC_EN such that we can write 0x948 correctly */

	u16tmp = btcoexist->btc_read_2byte(btcoexist, 0x2);

	btcoexist->btc_write_2byte(btcoexist, 0x2, u16tmp | BIT0 | BIT1);



	btcoexist->btc_write_4byte(btcoexist, 0x948, 0x0);



	if (btcoexist->chip_interface == BTC_INTF_USB) {

		/* fixed at S0 for USB interface */

		board_info->btdm_ant_pos = BTC_ANTENNA_AT_AUX_PORT;

	} else {

		/* for PCIE and SDIO interface, we check efuse 0xc3[6] */

		if (board_info->single_ant_path == 0) {

			/* set to S1 */

			board_info->btdm_ant_pos = BTC_ANTENNA_AT_MAIN_PORT;

		} else if (board_info->single_ant_path == 1) {

			/* set to S0 */

			board_info->btdm_ant_pos = BTC_ANTENNA_AT_AUX_PORT;

		}

		btcoexist->btc_set(btcoexist, BTC_SET_ACT_ANTPOSREGRISTRY_CTRL,

				   &value);

	}

}



void ex_btc8723b2ant_init_coex_dm(struct btc_coexist *btcoexist)

{

	struct rtl_priv *rtlpriv = btcoexist->adapter;

drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h

+1 −0
Original line number Diff line number Diff line
@@ -139,6 +139,7 @@ struct btc_board_info { 
	u8 pg_ant_num;	/* pg ant number */

	u8 btdm_ant_num;	/* ant number for btdm */

	u8 btdm_ant_pos;

	u8 single_ant_path; /* current used for 8723b only, 1=>s0,  0=>s1 */

	bool bt_exist;

};