From b59f02fb7f44cd9c7b159f87c84c1e53e00e03a2 Mon Sep 17 00:00:00 2001 From: Yan-Hsuan Chuang Date: Tue, 4 Apr 2017 11:49:58 -0500 Subject: [PATCH] rtlwifi: btcoex: 23b 2ant: fix PTA unstable problem when hw init In the hardware initialisation stage, the PTA circuits may be unstable, so we reset it after 6 secs to fix the problem. Signed-off-by: Yan-Hsuan Chuang Cc: Pkshih Cc: Birming Chiu Cc: Shaofu Cc: Steven Ting Signed-off-by: Kalle Valo --- .../realtek/rtlwifi/btcoexist/halbtc8723b2ant.c | 41 ++++++++-------------- .../realtek/rtlwifi/btcoexist/halbtc8723b2ant.h | 2 ++ 2 files changed, 16 insertions(+), 27 deletions(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c index dadcddb..e0b6dfa 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c @@ -3282,12 +3282,14 @@ void ex_btc8723b2ant_init_hwconfig(struct btc_coexist *btcoexist) /* Antenna config */ btc8723b2ant_set_ant_path(btcoexist, BTC_ANT_WIFI_AT_MAIN, true, false); + coex_sta->dis_ver_info_cnt = 0; + /* PTA parameter */ btc8723b2ant_coex_table_with_type(btcoexist, FORCE_EXEC, 0); /* Enable counter statistics */ /* 0x76e[3] = 1, WLAN_ACT controlled by PTA */ - btcoexist->btc_write_1byte(btcoexist, 0x76e, 0xc); + btcoexist->btc_write_1byte(btcoexist, 0x76e, 0x4); btcoexist->btc_write_1byte(btcoexist, 0x778, 0x3); btcoexist->btc_write_1byte_bitmask(btcoexist, 0x40, 0x20, 0x1); } @@ -3827,36 +3829,21 @@ void ex_btc8723b2ant_halt_notify(struct btc_coexist *btcoexist) void ex_btc8723b2ant_periodical(struct btc_coexist *btcoexist) { struct rtl_priv *rtlpriv = btcoexist->adapter; - struct btc_board_info *board_info = &btcoexist->board_info; - struct btc_stack_info *stack_info = &btcoexist->stack_info; - static u8 dis_ver_info_cnt; - u32 fw_ver = 0, bt_patch_ver = 0; RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, "[BTCoex], ==========================Periodical===========================\n"); - if (dis_ver_info_cnt <= 5) { - dis_ver_info_cnt += 1; - RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, - "[BTCoex], ****************************************************************\n"); - RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, - "[BTCoex], Ant PG Num/ Ant Mech/ Ant Pos = %d/ %d/ %d\n", - board_info->pg_ant_num, - board_info->btdm_ant_num, - board_info->btdm_ant_pos); - RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, - "[BTCoex], BT stack/ hci ext ver = %s / %d\n", - stack_info->profile_notified ? "Yes" : "No", - stack_info->hci_version); - btcoexist->btc_get(btcoexist, BTC_GET_U4_BT_PATCH_VER, - &bt_patch_ver); - btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_FW_VER, &fw_ver); - RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, - "[BTCoex], CoexVer/ fw_ver/ PatchVer = %d_%x/ 0x%x/ 0x%x(%d)\n", - glcoex_ver_date_8723b_2ant, glcoex_ver_8723b_2ant, - fw_ver, bt_patch_ver, bt_patch_ver); - RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, - "[BTCoex], ****************************************************************\n"); + if (coex_sta->dis_ver_info_cnt <= 5) { + coex_sta->dis_ver_info_cnt += 1; + if (coex_sta->dis_ver_info_cnt == 3) { + /* Antenna config to set 0x765 = 0x0 (GNT_BT control by + * PTA) after initial + */ + RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, + "[BTCoex], Set GNT_BT control by PTA\n"); + btc8723b2ant_set_ant_path( + btcoexist, BTC_ANT_WIFI_AT_MAIN, false, false); + } } #if (BT_AUTO_REPORT_ONLY_8723B_2ANT == 0) diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.h index 9f41206..57eac22 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.h +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.h @@ -167,6 +167,8 @@ struct coex_sta_8723b_2ant { u32 crc_err_11n_agg; bool force_lps_on; + u8 dis_ver_info_cnt; + u8 a2dp_bit_pool; }; -- 2.7.4