Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 37a5be0c authored by Ping-Ke Shih's avatar Ping-Ke Shih Committed by Kalle Valo
Browse files

rtlwifi: btcoex: 23b 1ant: monitor wifi and BT counter 



In field debug, we check wifi and BT counter to analyze problems.

Signed-off-by: default avatarPing-Ke Shih <pkshih@realtek.com>
Signed-off-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@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 2622d7d8

drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c

+130 −11
Original line number Diff line number Diff line
@@ -210,11 +210,24 @@ static void halbtc8723b1ant_limited_rx(struct btc_coexist *btcoexist, 
	btcoexist->btc_set(btcoexist, BTC_SET_ACT_AGGREGATE_CTRL, NULL);

}



static void halbtc8723b1ant_query_bt_info(struct btc_coexist *btcoexist)

{

	u8 h2c_parameter[1] = {0};



	coex_sta->c2h_bt_info_req_sent = true;



	/* trigger */

	h2c_parameter[0] |= BIT(0);



	btcoexist->btc_fill_h2c(btcoexist, 0x61, 1, h2c_parameter);

}



static void halbtc8723b1ant_monitor_bt_ctr(struct btc_coexist *btcoexist)

{

	u32 reg_hp_txrx, reg_lp_txrx, u32tmp;

	u32 reg_hp_tx = 0, reg_hp_rx = 0;

	u32 reg_lp_tx = 0, reg_lp_rx = 0;

	static u32 num_of_bt_counter_chk;



	reg_hp_txrx = 0x770;

	reg_lp_txrx = 0x774;
@@ -232,25 +245,122 @@ static void halbtc8723b1ant_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_tx > 1050) &&

	    (!coex_sta->c2h_bt_inquiry_page))

		coex_sta->pop_event_cnt++;



	/* reset counter */

	btcoexist->btc_write_1byte(btcoexist, 0x76e, 0xc);



	/* This part is for wifi FW and driver to update BT's status as

	 * disabled.

	 *

	 * The flow is as the following

	 * 1. disable BT

	 * 2. if all BT Tx/Rx counter = 0, after 6 sec we query bt info

	 * 3. Because BT will not rsp from mailbox, so wifi fw will know BT is

	 * disabled

	 *

	 * 4. FW will rsp c2h for BT that driver will know BT is disabled.

	 */

	if ((reg_hp_tx == 0) && (reg_hp_rx == 0) && (reg_lp_tx == 0) &&

	    (reg_lp_rx == 0)) {

		num_of_bt_counter_chk++;

		if (num_of_bt_counter_chk == 3)

			halbtc8723b1ant_query_bt_info(btcoexist);

	} else {

		num_of_bt_counter_chk = 0;

	}

}



static void halbtc8723b1ant_query_bt_info(struct btc_coexist *btcoexist)

static void halbtc8723b1ant_monitor_wifi_ctr(struct btc_coexist *btcoexist)

{

	struct rtl_priv *rtlpriv = btcoexist->adapter;

	u8 h2c_parameter[1] = {0};

	s32 wifi_rssi = 0;

	bool wifi_busy = false, wifi_under_b_mode = false;

	static u8 cck_lock_counter;

	u32 total_cnt;



	coex_sta->c2h_bt_info_req_sent = true;

	btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_BUSY, &wifi_busy);

	btcoexist->btc_get(btcoexist, BTC_GET_S4_WIFI_RSSI, &wifi_rssi);

	btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_B_MODE,

			   &wifi_under_b_mode);



	/* trigger */

	h2c_parameter[0] |= BIT0;

	if (coex_sta->under_ips) {

		coex_sta->crc_ok_cck = 0;

		coex_sta->crc_ok_11g = 0;

		coex_sta->crc_ok_11n = 0;

		coex_sta->crc_ok_11n_agg = 0;



		coex_sta->crc_err_cck = 0;

		coex_sta->crc_err_11g = 0;

		coex_sta->crc_err_11n = 0;

		coex_sta->crc_err_11n_agg = 0;

	} else {

		coex_sta->crc_ok_cck =

			btcoexist->btc_read_4byte(btcoexist, 0xf88);

		coex_sta->crc_ok_11g =

			btcoexist->btc_read_2byte(btcoexist, 0xf94);

		coex_sta->crc_ok_11n =

			btcoexist->btc_read_2byte(btcoexist, 0xf90);

		coex_sta->crc_ok_11n_agg =

			btcoexist->btc_read_2byte(btcoexist, 0xfb8);



		coex_sta->crc_err_cck =

			btcoexist->btc_read_4byte(btcoexist, 0xf84);

		coex_sta->crc_err_11g =

			btcoexist->btc_read_2byte(btcoexist, 0xf96);

		coex_sta->crc_err_11n =

			btcoexist->btc_read_2byte(btcoexist, 0xf92);

		coex_sta->crc_err_11n_agg =

			btcoexist->btc_read_2byte(btcoexist, 0xfba);

	}



	RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,

		 "[BTCoex], Query Bt Info, FW write 0x61 = 0x%x\n",

		 h2c_parameter[0]);

	/* reset counter */

	btcoexist->btc_write_1byte_bitmask(btcoexist, 0xf16, 0x1, 0x1);

	btcoexist->btc_write_1byte_bitmask(btcoexist, 0xf16, 0x1, 0x0);



	if ((wifi_busy) && (wifi_rssi >= 30) && (!wifi_under_b_mode)) {

		total_cnt = coex_sta->crc_ok_cck + coex_sta->crc_ok_11g +

			    coex_sta->crc_ok_11n + coex_sta->crc_ok_11n_agg;



		if ((coex_dm->bt_status == BT_8723B_1ANT_BT_STATUS_ACL_BUSY) ||

		    (coex_dm->bt_status ==

		     BT_8723B_1ANT_BT_STATUS_ACL_SCO_BUSY) ||

		    (coex_dm->bt_status == BT_8723B_1ANT_BT_STATUS_SCO_BUSY)) {

			if (coex_sta->crc_ok_cck >

			    (total_cnt - coex_sta->crc_ok_cck)) {

				if (cck_lock_counter < 3)

					cck_lock_counter++;

			} else {

				if (cck_lock_counter > 0)

					cck_lock_counter--;

			}



	btcoexist->btc_fill_h2c(btcoexist, 0x61, 1, h2c_parameter);

		} else {

			if (cck_lock_counter > 0)

				cck_lock_counter--;

		}

	} else {

		if (cck_lock_counter > 0)

			cck_lock_counter--;

	}



	if (!coex_sta->pre_ccklock) {

		if (cck_lock_counter >= 3)

			coex_sta->cck_lock = true;

		else

			coex_sta->cck_lock = false;

	} else {

		if (cck_lock_counter == 0)

			coex_sta->cck_lock = false;

		else

			coex_sta->cck_lock = true;

	}



	if (coex_sta->cck_lock)

		coex_sta->cck_ever_lock = true;



	coex_sta->pre_ccklock = coex_sta->cck_lock;

}



static bool btc8723b1ant_is_wifi_status_changed(struct btc_coexist *btcoexist)
@@ -1818,6 +1928,7 @@ static void halbtc8723b1ant_run_coexist_mechanism(struct btc_coexist *btcoexist) 
	}

}



/* force coex mechanism to reset */

static void halbtc8723b1ant_init_coex_dm(struct btc_coexist *btcoexist)

{

	/* sw all off */
@@ -1825,6 +1936,7 @@ static void halbtc8723b1ant_init_coex_dm(struct btc_coexist *btcoexist) 


	halbtc8723b1ant_ps_tdma(btcoexist, FORCE_EXEC, false, 8);

	halbtc8723b1ant_coex_table_with_type(btcoexist, FORCE_EXEC, 0);

	coex_sta->pop_event_cnt = 0;

}



static void halbtc8723b1ant_init_hw_config(struct btc_coexist *btcoexist,
@@ -2655,6 +2767,7 @@ void ex_halbtc8723b1ant_coex_dm_reset(struct btc_coexist *btcoexist) 
void ex_halbtc8723b1ant_periodical(struct btc_coexist *btcoexist)

{

	struct rtl_priv *rtlpriv = btcoexist->adapter;

	struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;

	struct btc_board_info *board_info = &btcoexist->board_info;

	struct btc_stack_info *stack_info = &btcoexist->stack_info;

	static u8 dis_ver_info_cnt;
@@ -2689,9 +2802,15 @@ void ex_halbtc8723b1ant_periodical(struct btc_coexist *btcoexist) 


	if (!btcoexist->auto_report_1ant) {

		halbtc8723b1ant_query_bt_info(btcoexist);

		halbtc8723b1ant_monitor_bt_ctr(btcoexist);

		halbtc8723b1ant_monitor_bt_enable_disable(btcoexist);

	} else {

		halbtc8723b1ant_monitor_bt_ctr(btcoexist);

		halbtc8723b1ant_monitor_wifi_ctr(btcoexist);



		if ((coex_sta->high_priority_tx + coex_sta->high_priority_rx < 50) &&

		    bt_link_info->hid_exist)

			bt_link_info->hid_exist = false;



		if (btc8723b1ant_is_wifi_status_changed(btcoexist) ||

		    coex_dm->auto_tdma_adjust) {

			halbtc8723b1ant_run_coexist_mechanism(btcoexist);

drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h

+15 −0
Original line number Diff line number Diff line
@@ -159,6 +159,21 @@ struct coex_sta_8723b_1ant { 
	bool c2h_bt_inquiry_page;

	u8 bt_retry_cnt;

	u8 bt_info_ext;

	bool cck_ever_lock;

	u32 pop_event_cnt;



	u32 crc_ok_cck;

	u32 crc_ok_11g;

	u32 crc_ok_11n;

	u32 crc_ok_11n_agg;



	u32 crc_err_cck;

	u32 crc_err_11g;

	u32 crc_err_11n;

	u32 crc_err_11n_agg;



	bool cck_lock;

	bool pre_ccklock;

};



/*************************************************************************