Commit d86aa506 authored by Yan-Hsuan Chuang's avatar Yan-Hsuan Chuang Committed by Kalle Valo
Browse files

rtlwifi: btcoex: 21a 2ant: refine btc8821a2ant_action_hid_a2dp 



For hid a2dp profiling, decrease the bt power because of the distance of
bt is usually short, and do not adjust the wifi duration to a longer
period since it may be interrupted by bt easily, set tdma instead.

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 7b5ca749

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

+42 −66
Original line number Diff line number Diff line
@@ -3295,19 +3295,46 @@ static void btc8821a2ant_act_hid_a2dp_pan_edr(struct btc_coexist *btcoexist) 


static void btc8821a2ant_action_hid_a2dp(struct btc_coexist *btcoexist)

{

	u8 wifi_rssi_state, bt_rssi_state, bt_info_ext;

	u32 wifi_bw;

	u8 wifi_rssi_state, wifi_rssi_state1, bt_rssi_state;

	u8 ap_num = 0;



	bt_info_ext = coex_sta->bt_info_ext;

	wifi_rssi_state = btc8821a2ant_wifi_rssi_state(btcoexist, 0, 2, 15, 0);

	bt_rssi_state = btc8821a2ant_bt_rssi_state(btcoexist, 2, 35, 0);

	wifi_rssi_state1 = btc8821a2ant_wifi_rssi_state(btcoexist, 1, 2,

				BT_8821A_2ANT_WIFI_RSSI_COEXSWITCH_THRES, 0);

	bt_rssi_state = btc8821a2ant_bt_rssi_state(btcoexist,

				3, BT_8821A_2ANT_BT_RSSI_COEXSWITCH_THRES, 37);



	if (BTC_RSSI_HIGH(bt_rssi_state))

		btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, true);

	else

		btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, false);

	btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x0);



	btc8821a2ant_limited_rx(btcoexist, NORMAL_EXEC, false, true, 0x5);

	btc8821a2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 6);



	btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_BW, &wifi_bw);

	if (wifi_bw == BTC_WIFI_BW_LEGACY) {

		if (BTC_RSSI_HIGH(bt_rssi_state))

			btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, 2);

		else if (BTC_RSSI_MEDIUM(bt_rssi_state))

			btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, 2);

		else

			btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, 0);

	} else {

		/* only 802.11N mode we have to dec bt power to 4 degree */

		if (BTC_RSSI_HIGH(bt_rssi_state)) {

			btcoexist->btc_get(btcoexist, BTC_GET_U1_AP_NUM,

					   &ap_num);

			if (ap_num < 10)

				btc8821a2ant_dec_bt_pwr(btcoexist,

							NORMAL_EXEC, 4);

			else

				btc8821a2ant_dec_bt_pwr(btcoexist,

							NORMAL_EXEC, 2);

		} else if (BTC_RSSI_MEDIUM(bt_rssi_state)) {

			btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, 2);

		} else {

			btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, 0);

		}

	}



	if (wifi_bw == BTC_WIFI_BW_LEGACY) {

		btc8821a2ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 7);
@@ -3319,36 +3346,15 @@ static void btc8821a2ant_action_hid_a2dp(struct btc_coexist *btcoexist) 
					      0x4);

	}



	if (BTC_WIFI_BW_HT40 == wifi_bw) {

		/* fw mechanism */

	if ((bt_rssi_state == BTC_RSSI_STATE_HIGH) ||

	    (bt_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) {

			if (bt_info_ext & BIT0) {

				/* a2dp basic rate */

				btc8821a2ant_tdma_duration_adjust(btcoexist,

								  true, true,

								  2);

			} else {

				/* a2dp edr rate */

				btc8821a2ant_tdma_duration_adjust(btcoexist,

								  true, true,

								  2);

			}

		} else {

			if (bt_info_ext & BIT0) {

				/* a2dp basic rate */

				btc8821a2ant_tdma_duration_adjust(btcoexist,

								  true, true,

								  2);

		btc8821a2ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 23);

	} else {

				/* a2dp edr rate */

				btc8821a2ant_tdma_duration_adjust(btcoexist,

								  true, true,

								  2);

			}

		btc8821a2ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 23);

	}



	/* sw mechanism */

	if (wifi_bw == BTC_WIFI_BW_HT40) {

		if ((wifi_rssi_state == BTC_RSSI_STATE_HIGH) ||

		    (wifi_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) {

			btc8821a2ant_sw_mechanism1(btcoexist, true, true,
@@ -3362,36 +3368,6 @@ static void btc8821a2ant_action_hid_a2dp(struct btc_coexist *btcoexist) 
						   false, 0x18);

		}

	} else {

		/* fw mechanism */

		if ((bt_rssi_state == BTC_RSSI_STATE_HIGH) ||

		    (bt_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) {

			if (bt_info_ext & BIT0) {

				/* a2dp basic rate */

				btc8821a2ant_tdma_duration_adjust(btcoexist,

								  true, true,

								  2);



			} else {

				/* a2dp edr rate */

				btc8821a2ant_tdma_duration_adjust(btcoexist,

								  true, true,

								  2);

			}

		} else {

			if (bt_info_ext & BIT0) {

				/*a2dp basic rate*/

				btc8821a2ant_tdma_duration_adjust(btcoexist,

								  true, true,

								  2);

			} else {

				/*a2dp edr rate*/

				btc8821a2ant_tdma_duration_adjust(btcoexist,

								  true, true,

								  2);

			}

		}



		/* sw mechanism */

		if ((wifi_rssi_state == BTC_RSSI_STATE_HIGH) ||

		    (wifi_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) {

			btc8821a2ant_sw_mechanism1(btcoexist, false, true,

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