From: Larry Finger <Larry.Finger@lwfinger.net>
To: kvalo@codeaurora.org
Cc: linux-wireless@vger.kernel.org,
Yan-Hsuan Chuang <yhchuang@realtek.com>,
Larry Finger <Larry.Finger@lwfinger.net>,
Pkshih <pkshih@realtek.com>, Birming Chiu <birming@realtek.com>,
Shaofu <shaofu@realtek.com>, Steven Ting <steventing@realtek.com>
Subject: [PATCH 03/10] rtlwifi: btcoex: 21a 2ant: set wifi standby when halting of entering ips
Date: Sun, 16 Apr 2017 14:04:21 -0500 [thread overview]
Message-ID: <20170416190428.23857-4-Larry.Finger@lwfinger.net> (raw)
In-Reply-To: <20170416190428.23857-1-Larry.Finger@lwfinger.net>
From: Yan-Hsuan Chuang <yhchuang@realtek.com>
If the wifi is going to halt or entering power saving, set it standby
and allocate resource to bt.
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>
---
.../realtek/rtlwifi/btcoexist/halbtc8821a2ant.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c
index 60386c7571e8..162d40ddf06d 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c
@@ -3555,6 +3555,26 @@ static void btc8821a2ant_run_coexist_mechanism(struct btc_coexist *btcoexist)
}
}
+static void btc8821a2ant_wifi_off_hw_cfg(struct btc_coexist *btcoexist)
+{
+ u8 h2c_parameter[2] = {0};
+ u32 fw_ver = 0;
+
+ /* set wlan_act to low */
+ btcoexist->btc_write_1byte(btcoexist, 0x76e, 0x4);
+
+ /* WiFi goto standby while GNT_BT 0-->1 */
+ btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x780);
+ btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_FW_VER, &fw_ver);
+ if (fw_ver >= 0x180000) {
+ /* Use H2C to set GNT_BT to HIGH */
+ h2c_parameter[0] = 1;
+ btcoexist->btc_fill_h2c(btcoexist, 0x6E, 1, h2c_parameter);
+ } else {
+ btcoexist->btc_write_1byte(btcoexist, 0x765, 0x18);
+ }
+}
+
/**************************************************************
* extern function start with ex_btc8821a2ant_
**************************************************************/
@@ -3841,6 +3861,7 @@ void ex_btc8821a2ant_ips_notify(struct btc_coexist *btcoexist, u8 type)
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], IPS ENTER notify\n");
coex_sta->under_ips = true;
+ btc8821a2ant_wifi_off_hw_cfg(btcoexist);
btc8821a2ant_coex_all_off(btcoexist);
} else if (BTC_IPS_LEAVE == type) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
@@ -4084,6 +4105,7 @@ void ex_btc8821a2ant_halt_notify(struct btc_coexist *btcoexist)
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[BTCoex], Halt notify\n");
+ btc8821a2ant_wifi_off_hw_cfg(btcoexist);
btc8821a2ant_ignore_wlan_act(btcoexist, FORCE_EXEC, true);
ex_btc8821a2ant_media_status_notify(btcoexist, BTC_MEDIA_DISCONNECT);
}
--
2.12.0
next prev parent reply other threads:[~2017-04-16 19:04 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-16 19:04 [PATCH 00/10] rtlwifi: btcoex: Third set of changes for rtl8821ae 2ant Larry Finger
2017-04-16 19:04 ` [PATCH 01/10] rtlwifi: btcoex: 21a 2ant: set tdma with rssi states Larry Finger
2017-04-21 6:37 ` [01/10] " Kalle Valo
2017-04-16 19:04 ` [PATCH 02/10] rtlwifi: btcoex: 21a 2ant: refine btc8821a2ant_action_hid_a2dp Larry Finger
2017-04-16 19:04 ` Larry Finger [this message]
2017-04-16 19:04 ` [PATCH 04/10] rtlwifi: btcoex: 21a 2ant: settings before wifi firmware is ready Larry Finger
2017-04-16 19:04 ` [PATCH 05/10] rtlwifi: btcoex: 21a 2ant: add pnp notidy to avoid LPS/IPS mismatch Larry Finger
2017-04-16 19:04 ` [PATCH 06/10] rtlwifi: btcoex: 21a 2ant: run mechanism if status changes or auto adjust is set Larry Finger
2017-04-20 10:54 ` Kalle Valo
2017-04-20 13:30 ` 莊彥宣
2017-04-28 18:52 ` Larry Finger
2017-04-29 3:42 ` 莊彥宣
2017-04-16 19:04 ` [PATCH 07/10] rtlwifi: btcoex: 21a 2ant: init wlan when leave ips Larry Finger
2017-04-16 19:04 ` [PATCH 08/10] rtlwifi: btcoex: 21a 2ant: refine bt info notify to have more profilings Larry Finger
2017-04-16 19:04 ` [PATCH 09/10] rtlwifi: btcoex: 21a 2ant: fix PTA unstable problem when hw init Larry Finger
2017-04-16 19:04 ` [PATCH 10/10] rtlwifi: btcoex: 21a 2ant: remove unused antenna detection variables Larry Finger
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