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rtlwifi: btcoex: 23b 1ant: TDMA duration for ACL busy

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

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry 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: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Ping-Ke Shih 2017-05-16 08:19:53 -05:00 committed by Kalle Valo
parent 2d446a5653
commit 2622d7d86a
1 changed files with 31 additions and 23 deletions
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54
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c
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@ -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 */