Commit 7b5ca749 authored by Yan-Hsuan Chuang's avatar Yan-Hsuan Chuang Committed by Kalle Valo
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rtlwifi: btcoex: 21a 2ant: set tdma with rssi states 



if bt rssi is high, adjust the duration of wifi to a longer period to
let the wifi transmit under this bt profiling.

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 436e9c1b

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

+28 −63
Original line number Diff line number Diff line
@@ -3220,12 +3220,16 @@ static void btc8821a2ant_action_pan_edr_hid(struct btc_coexist *btcoexist) 
/* HID+A2DP+PAN(EDR) */

static void btc8821a2ant_act_hid_a2dp_pan_edr(struct btc_coexist *btcoexist)

{

	u8 wifi_rssi_state, bt_rssi_state, bt_info_ext;

	u8 wifi_rssi_state, wifi_rssi_state1, bt_rssi_state;

	u32 wifi_bw;



	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,

				2, BT_8821A_2ANT_BT_RSSI_COEXSWITCH_THRES, 0);



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



	btc8821a2ant_limited_rx(btcoexist, NORMAL_EXEC, false, false, 0x8);

	btc8821a2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 6);
@@ -3235,44 +3239,32 @@ static void btc8821a2ant_act_hid_a2dp_pan_edr(struct btc_coexist *btcoexist) 
	else

		btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, 0);



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



	if (wifi_bw == BTC_WIFI_BW_LEGACY) {

		/* for HID at 11b/g mode */

		btc8821a2ant_coex_table(btcoexist, NORMAL_EXEC, 0x55ff55ff,

					0x5a5a5a5a, 0xffff, 0x3);

	if (BTC_RSSI_HIGH(wifi_rssi_state1) && BTC_RSSI_HIGH(bt_rssi_state)) {

		btc8821a2ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 7);

		btc8821a2ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE,

					      0x0, 0x0);

	} else {

		/* for HID quality & wifi performance balance at 11n mode */

		btc8821a2ant_coex_table(btcoexist, NORMAL_EXEC, 0x55ff55ff,

					0x5a5a5a5a, 0xffff, 0x3);

		btc8821a2ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 14);

		btc8821a2ant_power_save_state(btcoexist, BTC_PS_LPS_ON, 0x50,

					      0x4);

	}



	if (BTC_WIFI_BW_HT40 == wifi_bw) {

		/* fw mechanism */

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



	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, 3);

			} else {

				/* a2dp edr rate */

				btc8821a2ant_tdma_duration_adjust(btcoexist,

							true, true, 3);

			}

		} else {

			if (bt_info_ext&BIT0) {

				/* a2dp basic rate */

				btc8821a2ant_tdma_duration_adjust(btcoexist,

							true, true, 3);

		if (wifi_bw == BTC_WIFI_BW_HT40)

			btc8821a2ant_tdma_duration_adjust(btcoexist, true,

							  true, 3);

		else

			btc8821a2ant_tdma_duration_adjust(btcoexist, true,

							  false, 3);

	} else {

				/* a2dp edr rate */

				btc8821a2ant_tdma_duration_adjust(btcoexist,

							true, true, 3);

			}

		btc8821a2ant_tdma_duration_adjust(btcoexist, true, true, 3);

	}



	/* 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,
@@ -3286,33 +3278,6 @@ static void btc8821a2ant_act_hid_a2dp_pan_edr(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, false, 3);

			} else {

				/* a2dp edr rate */

				btc8821a2ant_tdma_duration_adjust(btcoexist,

							true, false, 3);

			}

		} else {

			if (bt_info_ext&BIT0) {

				/* a2dp basic rate */

				btc8821a2ant_tdma_duration_adjust(btcoexist,

								  true, true,

								  3);

			} else {

				/* a2dp edr rate */

				btc8821a2ant_tdma_duration_adjust(btcoexist,

								  true, true,

								  3);

			}

		}



		/* 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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