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rtlwifi: btcoex: 21a 2ant: check if wifi status changed

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Monitor wifi status and check if it is changed.

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 13:07:02 -05:00 committed by Kalle Valo
parent d4acd81ed2
commit 3fd7ba4c76
2 changed files with 46 additions and 0 deletions
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41
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c
View File

@ -359,6 +359,47 @@ static void btc8821a2ant_query_bt_info(struct btc_coexist *btcoexist)
btcoexist->btc_fill_h2c(btcoexist, 0x61, 1, h2c_parameter);
}
bool btc8821a2ant_is_wifi_status_changed(struct btc_coexist *btcoexist)
{
static bool pre_wifi_busy = true;
static bool pre_under_4way = true;
static bool pre_bt_hs_on = true;
bool wifi_busy = false, under_4way = false, bt_hs_on = false;
bool wifi_connected = false;
u8 wifi_rssi_state = BTC_RSSI_STATE_HIGH;
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_CONNECTED,
&wifi_connected);
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_BUSY, &wifi_busy);
btcoexist->btc_get(btcoexist, BTC_GET_BL_HS_OPERATION, &bt_hs_on);
btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_4_WAY_PROGRESS,
&under_4way);
if (wifi_connected) {
if (wifi_busy != pre_wifi_busy) {
pre_wifi_busy = wifi_busy;
return true;
}
if (under_4way != pre_under_4way) {
pre_under_4way = under_4way;
return true;
}
if (bt_hs_on != pre_bt_hs_on) {
pre_bt_hs_on = bt_hs_on;
return true;
}
wifi_rssi_state = btc8821a2ant_wifi_rssi_state(btcoexist, 3, 2,
BT_8821A_2ANT_WIFI_RSSI_COEXSWITCH_THRES, 0);
if ((wifi_rssi_state == BTC_RSSI_STATE_HIGH) ||
(wifi_rssi_state == BTC_RSSI_STATE_LOW))
return true;
}
return false;
}
static void btc8821a2ant_update_bt_link_info(struct btc_coexist *btcoexist)
{
struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;

5
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.h
View File

@ -38,6 +38,11 @@
#define BTC_RSSI_COEX_THRESH_TOL_8821A_2ANT 2
/* WiFi RSSI Threshold for 2-Ant TDMA/1-Ant PS-TDMA translation */
#define BT_8821A_2ANT_WIFI_RSSI_COEXSWITCH_THRES 42
/* BT RSSI Threshold for 2-Ant TDMA/1-Ant PS-TDMA translation */
#define BT_8821A_2ANT_BT_RSSI_COEXSWITCH_THRES 46
enum _BT_INFO_SRC_8821A_2ANT {
BT_INFO_SRC_8821A_2ANT_WIFI_FW = 0x0,
BT_INFO_SRC_8821A_2ANT_BT_RSP = 0x1,