Commit 2622d7d8 authored by Ping-Ke Shih's avatar Ping-Ke Shih Committed by Kalle Valo
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rtlwifi: btcoex: 23b 1ant: TDMA duration for ACL busy 



BT ACL is a special case, so we create a routine to deal this case.

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 2d446a56

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

+31 −23
Original line number Diff line number Diff line
@@ -1124,6 +1124,11 @@ void btc8723b1ant_tdma_dur_adj_for_acl(struct btc_coexist *btcoexist, 
		/* acquire the BT TRx retry count from BT_Info byte2 */

		retry_count = coex_sta->bt_retry_cnt;

		bt_info_ext = coex_sta->bt_info_ext;



		if ((coex_sta->low_priority_tx) > 1050 ||

		    (coex_sta->low_priority_rx) > 1250)

			retry_count++;



		result = 0;

		wait_count++;

		/* no retry in the last 2-second duration */
@@ -1135,6 +1140,9 @@ void btc8723b1ant_tdma_dur_adj_for_acl(struct btc_coexist *btcoexist, 
				dn = 0;



			if (up >= n) {

				/* if retry count during continuous n*2 seconds

				 * is 0, enlarge WiFi duration

				 */

				wait_count = 0;

				n = 3;

				up = 0;
@@ -1144,6 +1152,7 @@ void btc8723b1ant_tdma_dur_adj_for_acl(struct btc_coexist *btcoexist, 
					 "[BTCoex], Increase wifi duration!!\n");

			}

		} else if (retry_count <= 3) {

			/* <=3 retry in the last 2-second duration */

			up--;

			dn++;
@@ -1151,12 +1160,20 @@ void btc8723b1ant_tdma_dur_adj_for_acl(struct btc_coexist *btcoexist, 
				up = 0;



			if (dn == 2) {

				/* if continuous 2 retry count(every 2 seconds)

				 * >0 and < 3, reduce WiFi duration

				 */

				if (wait_count <= 2)

					/* avoid loop between the two levels */

					m++;

				else

					m = 1;



				if (m >= 20)

					/* maximum of m = 20 ' will recheck if

					 * need to adjust wifi duration in

					 * maximum time interval 120 seconds

					 */

					m = 20;



				n = 3 * m;
@@ -1168,12 +1185,20 @@ void btc8723b1ant_tdma_dur_adj_for_acl(struct btc_coexist *btcoexist, 
					 "[BTCoex], Decrease wifi duration for retryCounter<3!!\n");

			}

		} else {

			/* retry count > 3, once retry count > 3, to reduce

			 * WiFi duration

			 */

			if (wait_count == 1)

				/* to avoid loop between the two levels */

				m++;

			else

				m = 1;



			if (m >= 20)

				/* maximum of m = 20 ' will recheck if need to

				 * adjust wifi duration in maximum time interval

				 * 120 seconds

				 */

				m = 20;



			n = 3 * m;
@@ -1186,13 +1211,7 @@ void btc8723b1ant_tdma_dur_adj_for_acl(struct btc_coexist *btcoexist, 
		}



		if (result == -1) {

			if ((BT_INFO_8723B_1ANT_A2DP_BASIC_RATE(bt_info_ext)) &&

			    ((coex_dm->cur_ps_tdma == 1) ||

			     (coex_dm->cur_ps_tdma == 2))) {

				halbtc8723b1ant_ps_tdma(btcoexist, NORMAL_EXEC,

							true, 9);

				coex_dm->ps_tdma_du_adj_type = 9;

			} else if (coex_dm->cur_ps_tdma == 1) {

			if (coex_dm->cur_ps_tdma == 1) {

				halbtc8723b1ant_ps_tdma(btcoexist, NORMAL_EXEC,

							true, 2);

				coex_dm->ps_tdma_du_adj_type = 2;
@@ -1206,13 +1225,7 @@ void btc8723b1ant_tdma_dur_adj_for_acl(struct btc_coexist *btcoexist, 
				coex_dm->ps_tdma_du_adj_type = 11;

			}

		} else if (result == 1) {

			if ((BT_INFO_8723B_1ANT_A2DP_BASIC_RATE(bt_info_ext)) &&

			    ((coex_dm->cur_ps_tdma == 1) ||

			     (coex_dm->cur_ps_tdma == 2))) {

				halbtc8723b1ant_ps_tdma(btcoexist, NORMAL_EXEC,

							true, 9);

				coex_dm->ps_tdma_du_adj_type = 9;

			} else if (coex_dm->cur_ps_tdma == 11) {

			if (coex_dm->cur_ps_tdma == 11) {

				halbtc8723b1ant_ps_tdma(btcoexist, NORMAL_EXEC,

							true, 9);

				coex_dm->ps_tdma_du_adj_type = 9;
@@ -1225,11 +1238,6 @@ void btc8723b1ant_tdma_dur_adj_for_acl(struct btc_coexist *btcoexist, 
							true, 1);

				coex_dm->ps_tdma_du_adj_type = 1;

			}

		} else {

			/* if busy / idle change */

			RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,

				 "[BTCoex],********* TDMA(on, %d) ********\n",

				 coex_dm->cur_ps_tdma);

		}



		if (coex_dm->cur_ps_tdma != 1 && coex_dm->cur_ps_tdma != 2 &&
@@ -1448,12 +1456,12 @@ static void halbtc8723b1ant_action_wifi_connected_bt_acl_busy( 
			halbtc8723b1ant_coex_table_with_type(btcoexist,

							     NORMAL_EXEC, 2);

			coex_dm->auto_tdma_adjust = false;

		} else { /* for low BT RSSI */

			halbtc8723b1ant_ps_tdma(btcoexist, NORMAL_EXEC,

						true, 11);

		} else {

			btc8723b1ant_tdma_dur_adj_for_acl(btcoexist,

							  wifi_status);

			halbtc8723b1ant_coex_table_with_type(btcoexist,

							     NORMAL_EXEC, 1);

			coex_dm->auto_tdma_adjust = false;

			coex_dm->auto_tdma_adjust = true;

		}

	} else if (bt_link_info->hid_exist &&

		bt_link_info->a2dp_exist) { /* HID + A2DP */

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