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rtlwifi: btcoex: 21a 2ant: set coex table and tdma when bt inquiry

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Instead of just setting the coex table directly, we check if the
wifi is under some important activity (scanning|roaming|linking) and
mark the packets as high priority in that case.

Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Larry 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: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Yan-Hsuan Chuang 2017-04-13 13:07:04 -05:00 committed by Kalle Valo
parent 9153c11cef
commit aae1e8f5a0
1 changed files with 44 additions and 7 deletions
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51
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c
View File

@ -1381,16 +1381,54 @@ static void btc8821a2ant_init_coex_dm(struct btc_coexist *btcoexist)
btc8821a2ant_sw_mechanism2(btcoexist, false, false, false, 0x18);
}
static void btc8821a2ant_bt_inquiry_page(struct btc_coexist *btcoexist)
static void btc8821a2ant_action_bt_inquiry(struct btc_coexist *btcoexist)
{
struct rtl_priv *rtlpriv = btcoexist->adapter;
u8 wifi_rssi_state, wifi_rssi_state1, bt_rssi_state;
bool wifi_connected = false;
bool low_pwr_disable = true;
bool scan = false, link = false, roam = false;
wifi_rssi_state =
btc8821a2ant_wifi_rssi_state(btcoexist, 0, 2, 15, 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(btcoexist, BTC_SET_ACT_DISABLE_LOW_POWER,
&low_pwr_disable);
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_CONNECTED,
&wifi_connected);
btc8821a2ant_coex_table(btcoexist, NORMAL_EXEC, 0x55ff55ff,
0x5afa5afa, 0xffff, 0x3);
btc8821a2ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 3);
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_SCAN, &scan);
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_LINK, &link);
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_ROAM, &roam);
btc8821a2ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE, 0x0, 0x0);
if (scan || link || roam) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], Wifi link process + BT Inq/Page!!\n");
btc8821a2ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 15);
btc8821a2ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 22);
} else if (wifi_connected) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], Wifi connected + BT Inq/Page!!\n");
btc8821a2ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 15);
btc8821a2ant_ps_tdma(btcoexist, NORMAL_EXEC, true, 22);
} else {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], Wifi no-link + BT Inq/Page!!\n");
btc8821a2ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 0);
btc8821a2ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 1);
}
btc8821a2ant_fw_dac_swing_lvl(btcoexist, FORCE_EXEC, 6);
btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, 0);
btc8821a2ant_sw_mechanism1(btcoexist, false, false, false, false);
btc8821a2ant_sw_mechanism2(btcoexist, false, false, false, 0x18);
}
static bool btc8821a2ant_is_common_action(struct btc_coexist *btcoexist)
@ -1779,8 +1817,7 @@ static void btc8821a2ant_action_sco(struct btc_coexist *btcoexist)
if (wifi_bw == BTC_WIFI_BW_LEGACY) {
/* for SCO quality at 11b/g mode */
btc8821a2ant_coex_table(btcoexist, NORMAL_EXEC,
0x5a5a5a5a, 0x5a5a5a5a, 0xffff, 0x3);
btc8821a2ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 2);
} else {
/* for SCO quality & wifi performance balance at 11n mode */
btc8821a2ant_coex_table(btcoexist, NORMAL_EXEC,
@ -2511,7 +2548,7 @@ static void btc8821a2ant_run_coexist_mechanism(struct btc_coexist *btcoexist)
(BT_8821A_2ANT_COEX_ALGO_PANHS != algorithm)) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], BT is under inquiry/page scan !!\n");
btc8821a2ant_bt_inquiry_page(btcoexist);
btc8821a2ant_action_bt_inquiry(btcoexist);
return;
}