From 7d0d2c14cc039823b3dcb22b2adc7e130d62f850 Mon Sep 17 00:00:00 2001 From: Ping-Ke Shih Date: Fri, 19 May 2017 10:59:33 -0500 Subject: [PATCH] rtlwifi: btcoex: 23b 1ant: parse more BT information from C2H BT FW provide more BT status as clues, thus we also display them in coex log to help debug in field. 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 | 98 +++++++++++++++++++--- .../realtek/rtlwifi/btcoexist/halbtc8723b1ant.h | 5 ++ 2 files changed, 91 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c index f565c9e..9509bf4 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c @@ -2887,12 +2887,48 @@ void ex_halbtc8723b1ant_bt_info_notify(struct btc_coexist *btcoexist, coex_sta->bt_retry_cnt = /* [3:0] */ coex_sta->bt_info_c2h[rsp_source][2] & 0xf; + if (coex_sta->bt_retry_cnt >= 1) + coex_sta->pop_event_cnt++; + + if (coex_sta->bt_info_c2h[rsp_source][2] & 0x20) + coex_sta->c2h_bt_remote_name_req = true; + else + coex_sta->c2h_bt_remote_name_req = false; + coex_sta->bt_rssi = - coex_sta->bt_info_c2h[rsp_source][3] * 2 + 10; + coex_sta->bt_info_c2h[rsp_source][3] * 2 - 90; coex_sta->bt_info_ext = coex_sta->bt_info_c2h[rsp_source][4]; + if (coex_sta->bt_info_c2h[rsp_source][1] == 0x49) { + coex_sta->a2dp_bit_pool = + coex_sta->bt_info_c2h[rsp_source][6]; + } else { + coex_sta->a2dp_bit_pool = 0; + } + + coex_sta->bt_tx_rx_mask = + (coex_sta->bt_info_c2h[rsp_source][2] & 0x40); + btcoexist->btc_set(btcoexist, BTC_SET_BL_BT_TX_RX_MASK, + &coex_sta->bt_tx_rx_mask); + + if (!coex_sta->bt_tx_rx_mask) { + /* BT into is responded by BT FW and BT RF REG + * 0x3C != 0x15 => Need to switch BT TRx Mask + */ + RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, + "[BTCoex], Switch BT TRx Mask since BT RF REG 0x3C != 0x15\n"); + btcoexist->btc_set_bt_reg(btcoexist, BTC_BT_REG_RF, + 0x3c, 0x15); + + /* BT TRx Mask lock 0x2c[0], 0x30[0] = 0 */ + btcoexist->btc_set_bt_reg(btcoexist, BTC_BT_REG_RF, + 0x2c, 0x7c44); + btcoexist->btc_set_bt_reg(btcoexist, BTC_BT_REG_RF, + 0x30, 0x7c44); + } + /* Here we need to resend some wifi info to BT * because bt is reset and loss of the info. */ @@ -2938,6 +2974,8 @@ void ex_halbtc8723b1ant_bt_info_notify(struct btc_coexist *btcoexist, else coex_sta->c2h_bt_inquiry_page = false; + coex_sta->num_of_profile = 0; + /* set link exist status */ if (!(bt_info & BT_INFO_8723B_1ANT_B_CONNECTION)) { coex_sta->bt_link_exist = false; @@ -2950,22 +2988,43 @@ void ex_halbtc8723b1ant_bt_info_notify(struct btc_coexist *btcoexist, } else { /* connection exists */ coex_sta->bt_link_exist = true; - if (bt_info & BT_INFO_8723B_1ANT_B_FTP) + if (bt_info & BT_INFO_8723B_1ANT_B_FTP) { coex_sta->pan_exist = true; - else + coex_sta->num_of_profile++; + } else { coex_sta->pan_exist = false; - if (bt_info & BT_INFO_8723B_1ANT_B_A2DP) + } + if (bt_info & BT_INFO_8723B_1ANT_B_A2DP) { coex_sta->a2dp_exist = true; - else + coex_sta->num_of_profile++; + } else { coex_sta->a2dp_exist = false; - if (bt_info & BT_INFO_8723B_1ANT_B_HID) + } + if (bt_info & BT_INFO_8723B_1ANT_B_HID) { coex_sta->hid_exist = true; - else + coex_sta->num_of_profile++; + } else { coex_sta->hid_exist = false; - if (bt_info & BT_INFO_8723B_1ANT_B_SCO_ESCO) + } + if (bt_info & BT_INFO_8723B_1ANT_B_SCO_ESCO) { coex_sta->sco_exist = true; - else + coex_sta->num_of_profile++; + } else { coex_sta->sco_exist = false; + } + + if ((!coex_sta->hid_exist) && + (!coex_sta->c2h_bt_inquiry_page) && + (!coex_sta->sco_exist)) { + if (coex_sta->high_priority_tx + + coex_sta->high_priority_rx >= + 160) { + coex_sta->hid_exist = true; + coex_sta->wrong_profile_notification++; + coex_sta->num_of_profile++; + bt_info = bt_info | 0x28; + } + } /* Add Hi-Pri Tx/Rx counter to avoid false detection */ if (((coex_sta->hid_exist) || (coex_sta->sco_exist)) && @@ -2974,11 +3033,27 @@ void ex_halbtc8723b1ant_bt_info_notify(struct btc_coexist *btcoexist, (!coex_sta->c2h_bt_inquiry_page)) coex_sta->bt_hi_pri_link_exist = true; + if ((bt_info & BT_INFO_8723B_1ANT_B_ACL_BUSY) && + (coex_sta->num_of_profile == 0)) { + if (coex_sta->low_priority_tx + + coex_sta->low_priority_rx >= + 160) { + coex_sta->pan_exist = true; + coex_sta->num_of_profile++; + coex_sta->wrong_profile_notification++; + bt_info = bt_info | 0x88; + } + } } halbtc8723b1ant_update_bt_link_info(btcoexist); - if (!(bt_info&BT_INFO_8723B_1ANT_B_CONNECTION)) { + /* mask profile bit for connect-ilde identification + * ( for CSR case: A2DP idle --> 0x41) + */ + bt_info = bt_info & 0x1f; + + if (!(bt_info & BT_INFO_8723B_1ANT_B_CONNECTION)) { coex_dm->bt_status = BT_8723B_1ANT_BT_STATUS_NON_CONNECTED_IDLE; RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, "[BTCoex], BtInfoNotify(), BT Non-Connected idle!\n"); @@ -3000,8 +3075,7 @@ void ex_halbtc8723b1ant_bt_info_notify(struct btc_coexist *btcoexist, RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, "[BTCoex], BtInfoNotify(), BT ACL busy!!!\n"); } else { - coex_dm->bt_status = - BT_8723B_1ANT_BT_STATUS_MAX; + coex_dm->bt_status = BT_8723B_1ANT_BT_STATUS_MAX; RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, "[BTCoex], BtInfoNotify(), BT Non-Defined state!!\n"); } diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h index fd0620e..1cac98e 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h @@ -146,6 +146,7 @@ struct coex_sta_8723b_1ant { bool hid_exist; bool pan_exist; bool bt_hi_pri_link_exist; + u8 num_of_profile; bool under_lps; bool under_ips; @@ -157,10 +158,12 @@ struct coex_sta_8723b_1ant { u8 bt_rssi; u8 pre_bt_rssi_state; u8 pre_wifi_rssi_state[4]; + bool bt_tx_rx_mask; 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 c2h_bt_inquiry_page; + bool c2h_bt_remote_name_req; u8 bt_retry_cnt; u8 bt_info_ext; u8 scan_ap_num; @@ -181,6 +184,8 @@ struct coex_sta_8723b_1ant { bool cck_lock; bool pre_ccklock; + u32 wrong_profile_notification; + u8 a2dp_bit_pool; u8 cut_version; }; -- 2.7.4