From 53e18bcf3c7a8f7067b37c995733b3d3e6ab720d Mon Sep 17 00:00:00 2001 From: Ping-Ke Shih Date: Fri, 19 May 2017 10:59:34 -0500 Subject: [PATCH] rtlwifi: btcoex: 23b 1ant: Setup register for BT WHCK test If BT is under WHCK, we enter a special mode. Signed-off-by: Ping-Ke Shih Signed-off-by: Larry Finger Cc: Yan-Hsuan Chuang Cc: Birming Chiu Cc: Shaofu Cc: Steven Ting Signed-off-by: Kalle Valo --- .../realtek/rtlwifi/btcoexist/halbtc8723b1ant.c | 25 ++++++++++++++++++++++ .../realtek/rtlwifi/btcoexist/halbtc8723b1ant.h | 1 + 2 files changed, 26 insertions(+) diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c index 9509bf4..4279678 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c @@ -1701,6 +1701,18 @@ static void halbtc8723b1ant_monitor_bt_enable_disable(struct btc_coexist * Non-Software Coex Mechanism start * *****************************************************/ + +static void halbtc8723b1ant_action_bt_whck_test(struct btc_coexist *btcoexist) +{ + halbtc8723b1ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE, 0x0, + 0x0); + + halbtc8723b1ant_ps_tdma(btcoexist, NORMAL_EXEC, false, 8); + halbtc8723b1ant_set_ant_path(btcoexist, BTC_ANT_PATH_PTA, NORMAL_EXEC, + false, false); + halbtc8723b1ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 0); +} + static void halbtc8723b1ant_action_wifi_multiport(struct btc_coexist *btcoexist) { halbtc8723b1ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE, @@ -2074,6 +2086,13 @@ static void halbtc8723b1ant_run_coexist_mechanism(struct btc_coexist *btcoexist) return; } + if (coex_sta->bt_whck_test) { + RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, + "[BTCoex], wifi is under IPS !!!\n"); + halbtc8723b1ant_action_bt_whck_test(btcoexist); + return; + } + if (coex_dm->bt_status == BT_8723B_1ANT_BT_STATUS_ACL_BUSY || coex_dm->bt_status == BT_8723B_1ANT_BT_STATUS_SCO_BUSY || coex_dm->bt_status == BT_8723B_1ANT_BT_STATUS_ACL_SCO_BUSY) @@ -2883,6 +2902,12 @@ void ex_halbtc8723b1ant_bt_info_notify(struct btc_coexist *btcoexist, "0x%02x, ", tmp_buf[i]); } + /* if 0xff, it means BT is under WHCK test */ + if (bt_info == 0xff) + coex_sta->bt_whck_test = true; + else + coex_sta->bt_whck_test = false; + if (rsp_source != BT_INFO_SRC_8723B_1ANT_WIFI_FW) { coex_sta->bt_retry_cnt = /* [3:0] */ coex_sta->bt_info_c2h[rsp_source][2] & 0xf; diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h index 1cac98e..47b7091 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h @@ -162,6 +162,7 @@ struct coex_sta_8723b_1ant { bool c2h_bt_info_req_sent; u8 bt_info_c2h[BT_INFO_SRC_8723B_1ANT_MAX][10]; u32 bt_info_c2h_cnt[BT_INFO_SRC_8723B_1ANT_MAX]; + bool bt_whck_test; bool c2h_bt_inquiry_page; bool c2h_bt_remote_name_req; u8 bt_retry_cnt; -- 2.7.4