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[24.31.249.175]) by smtp.gmail.com with ESMTPSA id j25sm299120ota.24.2017.05.03.16.51.05 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 03 May 2017 16:51:05 -0700 (PDT) From: Larry Finger To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, Larry Finger , Yan-Hsuan Chuang , Pkshih , Birming Chiu , Shaofu , Steven Ting Subject: [PATCH 2/4] rtlwifi: btcoex: Remove 23b 1ant configuration parameter Date: Wed, 3 May 2017 18:50:55 -0500 Message-Id: <20170503235057.23211-3-Larry.Finger@lwfinger.net> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20170503235057.23211-1-Larry.Finger@lwfinger.net> References: <20170503235057.23211-1-Larry.Finger@lwfinger.net> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In file halbtc8723b1ant.c, there are directives that depend on an undocumented configuration parameter BT_AUTO_REPORT_ONLY_8723B_1ANT that cannot be set from Kconfig. This parameter is replaced by a boolean in the main structure used by all routines. It still cannot be changed dynamically, but it is easier to document. The following routines are restored: halbtc8723b1ant_bt_auto_report halbtc8723b1ant_set_bt_auto_report halbtc8723b1ant_action_wifi_only halbtc8723b1ant_set_ant_path Signed-off-by: Larry Finger Cc: Yan-Hsuan Chuang Cc: Pkshih Cc: Birming Chiu Cc: Shaofu Cc: Steven Ting --- .../realtek/rtlwifi/btcoexist/halbtc8723b1ant.c | 123 +++++++++++++++++---- .../realtek/rtlwifi/btcoexist/halbtc8723b1ant.h | 2 +- 2 files changed, 103 insertions(+), 22 deletions(-) Index: wireless-drivers-next/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c =================================================================== --- wireless-drivers-next.orig/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c +++ wireless-drivers-next/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c @@ -711,6 +711,35 @@ static u8 halbtc8723b1ant_action_algorit return algorithm; } +static void halbtc8723b1ant_set_bt_auto_report(struct btc_coexist *btcoexist, + bool enable_auto_report) +{ + u8 h2c_parameter[1] = {0}; + + h2c_parameter[0] = 0; + + if (enable_auto_report) + h2c_parameter[0] |= BIT(0); + + btcoexist->btc_fill_h2c(btcoexist, 0x68, 1, h2c_parameter); +} + +static void halbtc8723b1ant_bt_auto_report(struct btc_coexist *btcoexist, + bool force_exec, + bool enable_auto_report) +{ + coex_dm->cur_bt_auto_report = enable_auto_report; + + if (!force_exec) { + if (coex_dm->pre_bt_auto_report == coex_dm->cur_bt_auto_report) + return; + } + halbtc8723b1ant_set_bt_auto_report(btcoexist, + coex_dm->cur_bt_auto_report); + + coex_dm->pre_bt_auto_report = coex_dm->cur_bt_auto_report; +} + static void btc8723b1ant_set_sw_pen_tx_rate_adapt(struct btc_coexist *btcoexist, bool low_penalty_ra) { @@ -1711,6 +1740,268 @@ static void halbtc8723b1ant_action_sco(s halbtc8723b1ant_sw_mechanism(btcoexist, true); } +static void halbtc8723b1ant_set_ant_path(struct btc_coexist *btcoexist, + u8 ant_pos_type, bool force_exec, + bool init_hwcfg, bool wifi_off) +{ + struct rtl_priv *rtlpriv = btcoexist->adapter; + struct btc_board_info *board_info = &btcoexist->board_info; + u32 fw_ver = 0, u32tmp = 0, cnt_bt_cal_chk = 0; + bool pg_ext_switch = false; + bool use_ext_switch = false; + bool is_in_mp_mode = false; + u8 h2c_parameter[2] = {0}, u8tmp = 0; + + coex_dm->cur_ant_pos_type = ant_pos_type; + + btcoexist->btc_get(btcoexist, BTC_GET_BL_EXT_SWITCH, &pg_ext_switch); + btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_FW_VER, + &fw_ver); /* [31:16]=fw ver, [15:0]=fw sub ver */ + + if ((fw_ver > 0 && fw_ver < 0xc0000) || pg_ext_switch) + use_ext_switch = true; + + if (ant_pos_type == BTC_ANT_PATH_PTA) { + if ((board_info->btdm_ant_det_finish) && + (board_info->btdm_ant_num_by_ant_det == 2)) { + if (board_info->btdm_ant_pos == + BTC_ANTENNA_AT_MAIN_PORT) + ant_pos_type = BTC_ANT_PATH_WIFI; + else + ant_pos_type = BTC_ANT_PATH_BT; + } + } + + if (init_hwcfg) { + btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, + 0x780); /* WiFi TRx Mask on */ + /* remove due to interrupt is disabled that polling c2h will + * fail and delay 100ms. + */ + + 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 { + /* set grant_bt to high */ + btcoexist->btc_write_1byte(btcoexist, 0x765, 0x18); + } + /* set wlan_act control by PTA */ + btcoexist->btc_write_1byte(btcoexist, 0x76e, 0x4); + + btcoexist->btc_write_1byte_bitmask( + btcoexist, 0x67, 0x20, + 0x0); /* BT select s0/s1 is controlled by BT */ + + btcoexist->btc_write_1byte_bitmask(btcoexist, 0x39, 0x8, 0x1); + btcoexist->btc_write_1byte(btcoexist, 0x974, 0xff); + btcoexist->btc_write_1byte_bitmask(btcoexist, 0x944, 0x3, 0x3); + btcoexist->btc_write_1byte(btcoexist, 0x930, 0x77); + } else if (wifi_off) { + 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 { + /* set grant_bt to high */ + btcoexist->btc_write_1byte(btcoexist, 0x765, 0x18); + } + /* set wlan_act to always low */ + btcoexist->btc_write_1byte(btcoexist, 0x76e, 0x4); + + btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_IS_IN_MP_MODE, + &is_in_mp_mode); + if (!is_in_mp_mode) + btcoexist->btc_write_1byte_bitmask( + btcoexist, 0x67, 0x20, + 0x0); /* BT select s0/s1 is controlled by BT */ + else + btcoexist->btc_write_1byte_bitmask( + btcoexist, 0x67, 0x20, 0x1); + /* BT select s0/s1 is controlled by WiFi */ + + /* 0x4c[24:23]=00, Set Antenna control by BT_RFE_CTRL BT + * Vendor 0xac=0xf002 + */ + u32tmp = btcoexist->btc_read_4byte(btcoexist, 0x4c); + u32tmp &= ~BIT(23); + u32tmp &= ~BIT(24); + btcoexist->btc_write_4byte(btcoexist, 0x4c, u32tmp); + } else { + /* Use H2C to set GNT_BT to LOW */ + if (fw_ver >= 0x180000) { + if (btcoexist->btc_read_1byte(btcoexist, 0x765) != 0) { + h2c_parameter[0] = 0; + btcoexist->btc_fill_h2c(btcoexist, 0x6E, 1, + h2c_parameter); + } + } else { + /* BT calibration check */ + while (cnt_bt_cal_chk <= 20) { + u8tmp = btcoexist->btc_read_1byte(btcoexist, + 0x49d); + cnt_bt_cal_chk++; + if (u8tmp & BIT(0)) { + RT_TRACE(rtlpriv, COMP_BT_COEXIST, + DBG_LOUD, + "[BTCoex], ########### BT is calibrating (wait cnt=%d) ###########\n", + cnt_bt_cal_chk); + mdelay(50); + } else { + RT_TRACE(rtlpriv, COMP_BT_COEXIST, + DBG_LOUD, + "[BTCoex], ********** BT is NOT calibrating (wait cnt=%d)**********\n", + cnt_bt_cal_chk); + break; + } + } + + /* set grant_bt to PTA */ + btcoexist->btc_write_1byte(btcoexist, 0x765, 0x0); + } + + if (btcoexist->btc_read_1byte(btcoexist, 0x76e) != 0xc) { + /* set wlan_act control by PTA */ + btcoexist->btc_write_1byte(btcoexist, 0x76e, 0xc); + } + + btcoexist->btc_write_1byte_bitmask( + btcoexist, 0x67, 0x20, + 0x1); /* BT select s0/s1 is controlled by WiFi */ + } + + if (use_ext_switch) { + if (init_hwcfg) { + /* 0x4c[23]=0, 0x4c[24]=1 Antenna control by WL/BT */ + u32tmp = btcoexist->btc_read_4byte(btcoexist, 0x4c); + u32tmp &= ~BIT(23); + u32tmp |= BIT(24); + btcoexist->btc_write_4byte(btcoexist, 0x4c, u32tmp); + + btcoexist->btc_write_4byte( + btcoexist, 0x948, 0x0); + /* fixed internal switch S1->WiFi, S0->BT */ + + if (board_info->btdm_ant_pos == + BTC_ANTENNA_AT_MAIN_PORT) { + /* tell firmware "no antenna inverse" */ + h2c_parameter[0] = 0; + h2c_parameter[1] = 1; /* ext switch type */ + btcoexist->btc_fill_h2c(btcoexist, 0x65, 2, + h2c_parameter); + } else { + /* tell firmware "antenna inverse" */ + h2c_parameter[0] = 1; + h2c_parameter[1] = 1; /* ext switch type */ + btcoexist->btc_fill_h2c(btcoexist, 0x65, 2, + h2c_parameter); + } + } + + if (force_exec || + (coex_dm->cur_ant_pos_type != coex_dm->pre_ant_pos_type)) { + /* ext switch setting */ + switch (ant_pos_type) { + case BTC_ANT_PATH_WIFI: + if (board_info->btdm_ant_pos == + BTC_ANTENNA_AT_MAIN_PORT) + btcoexist->btc_write_1byte_bitmask( + btcoexist, 0x92c, 0x3, 0x1); + else + btcoexist->btc_write_1byte_bitmask( + btcoexist, 0x92c, 0x3, 0x2); + break; + case BTC_ANT_PATH_BT: + if (board_info->btdm_ant_pos == + BTC_ANTENNA_AT_MAIN_PORT) + btcoexist->btc_write_1byte_bitmask( + btcoexist, 0x92c, 0x3, 0x2); + else + btcoexist->btc_write_1byte_bitmask( + btcoexist, 0x92c, 0x3, 0x1); + break; + default: + case BTC_ANT_PATH_PTA: + if (board_info->btdm_ant_pos == + BTC_ANTENNA_AT_MAIN_PORT) + btcoexist->btc_write_1byte_bitmask( + btcoexist, 0x92c, 0x3, 0x1); + else + btcoexist->btc_write_1byte_bitmask( + btcoexist, 0x92c, 0x3, 0x2); + break; + } + } + } else { + if (init_hwcfg) { + /* 0x4c[23]=1, 0x4c[24]=0 Antenna control by 0x64 */ + u32tmp = btcoexist->btc_read_4byte(btcoexist, 0x4c); + u32tmp |= BIT(23); + u32tmp &= ~BIT(24); + btcoexist->btc_write_4byte(btcoexist, 0x4c, u32tmp); + + /* Fix Ext switch Main->S1, Aux->S0 */ + btcoexist->btc_write_1byte_bitmask(btcoexist, 0x64, 0x1, + 0x0); + + if (board_info->btdm_ant_pos == + BTC_ANTENNA_AT_MAIN_PORT) { + /* tell firmware "no antenna inverse" */ + h2c_parameter[0] = 0; + h2c_parameter[1] = 0; /* internal switch type */ + btcoexist->btc_fill_h2c(btcoexist, 0x65, 2, + h2c_parameter); + } else { + /* tell firmware "antenna inverse" */ + h2c_parameter[0] = 1; + h2c_parameter[1] = 0; /* internal switch type */ + btcoexist->btc_fill_h2c(btcoexist, 0x65, 2, + h2c_parameter); + } + } + + if (force_exec || + (coex_dm->cur_ant_pos_type != coex_dm->pre_ant_pos_type)) { + /* internal switch setting */ + switch (ant_pos_type) { + case BTC_ANT_PATH_WIFI: + if (board_info->btdm_ant_pos == + BTC_ANTENNA_AT_MAIN_PORT) + btcoexist->btc_write_4byte(btcoexist, + 0x948, 0x0); + else + btcoexist->btc_write_4byte( + btcoexist, 0x948, 0x280); + break; + case BTC_ANT_PATH_BT: + if (board_info->btdm_ant_pos == + BTC_ANTENNA_AT_MAIN_PORT) + btcoexist->btc_write_4byte( + btcoexist, 0x948, 0x280); + else + btcoexist->btc_write_4byte(btcoexist, + 0x948, 0x0); + break; + default: + case BTC_ANT_PATH_PTA: + if (board_info->btdm_ant_pos == + BTC_ANTENNA_AT_MAIN_PORT) + btcoexist->btc_write_4byte( + btcoexist, 0x948, 0x200); + else + btcoexist->btc_write_4byte(btcoexist, + 0x948, 0x80); + break; + } + } + } + + coex_dm->pre_ant_pos_type = coex_dm->cur_ant_pos_type; +} + static void halbtc8723b1ant_action_hid(struct btc_coexist *btcoexist) { halbtc8723b1ant_sw_mechanism(btcoexist, true); @@ -1760,6 +2051,58 @@ static void halbtc8723b1ant_action_hid_a halbtc8723b1ant_sw_mechanism(btcoexist, true); } +static void halbtc8723b1ant_action_wifi_only(struct btc_coexist *btcoexist) +{ + halbtc8723b1ant_coex_table_with_type(btcoexist, FORCE_EXEC, 0); + halbtc8723b1ant_ps_tdma(btcoexist, FORCE_EXEC, false, 8); + halbtc8723b1ant_set_ant_path(btcoexist, BTC_ANT_PATH_PTA, + false, false, false); +} + +/* check if BT is disabled */ +static void halbtc8723b1ant_monitor_bt_enable_disable(struct btc_coexist + *btcoexist) +{ + struct rtl_priv *rtlpriv = btcoexist->adapter; + static u32 bt_disable_cnt; + bool bt_active = true, bt_disabled; + + if (coex_sta->high_priority_tx == 0 && + coex_sta->high_priority_rx == 0 && coex_sta->low_priority_tx == 0 && + coex_sta->low_priority_rx == 0) + bt_active = false; + if (coex_sta->high_priority_tx == 0xffff && + coex_sta->high_priority_rx == 0xffff && + coex_sta->low_priority_tx == 0xffff && + coex_sta->low_priority_rx == 0xffff) + bt_active = false; + if (bt_active) { + bt_disable_cnt = 0; + bt_disabled = false; + } else { + bt_disable_cnt++; + if (bt_disable_cnt >= 2) + bt_disabled = true; + } + if (coex_sta->bt_disabled != bt_disabled) { + RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, + "[BTCoex], BT is from %s to %s!!\n", + (coex_sta->bt_disabled ? "disabled" : "enabled"), + (bt_disabled ? "disabled" : "enabled")); + + coex_sta->bt_disabled = bt_disabled; + btcoexist->btc_set(btcoexist, BTC_SET_BL_BT_DISABLE, + &bt_disabled); + if (bt_disabled) { + halbtc8723b1ant_action_wifi_only(btcoexist); + btcoexist->btc_set(btcoexist, BTC_SET_ACT_LEAVE_LPS, + NULL); + btcoexist->btc_set(btcoexist, BTC_SET_ACT_NORMAL_LPS, + NULL); + } + } +} + /***************************************************** * * Non-Software Coex Mechanism start @@ -2391,6 +2734,7 @@ static void halbtc8723b1ant_wifi_off_hw_ void ex_halbtc8723b1ant_init_hwconfig(struct btc_coexist *btcoexist) { halbtc8723b1ant_init_hw_config(btcoexist, true); + btcoexist->auto_report_1ant = true; } void ex_halbtc8723b1ant_init_coex_dm(struct btc_coexist *btcoexist) @@ -2679,9 +3023,8 @@ void ex_halbtc8723b1ant_display_coex_inf RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "\r\n %-35s = %d/ %d", "0x774(low-pri rx/tx)", coex_sta->low_priority_rx, coex_sta->low_priority_tx); -#if (BT_AUTO_REPORT_ONLY_8723B_1ANT == 1) - halbtc8723b1ant_monitor_bt_ctr(btcoexist); -#endif + if (btcoexist->auto_report_1ant) + halbtc8723b1ant_monitor_bt_ctr(btcoexist); btcoexist->btc_disp_dbg_msg(btcoexist, BTC_DBG_DISP_COEX_STATISTICS); } @@ -2997,14 +3340,15 @@ void ex_halbtc8723b1ant_bt_info_notify(s } else { /* BT already NOT ignore Wlan active, do nothing here.*/ } -#if (BT_AUTO_REPORT_ONLY_8723B_1ANT == 0) - if (coex_sta->bt_info_ext & BIT4) { - /* BT auto report already enabled, do nothing */ - } else { - halbtc8723b1ant_bt_auto_report(btcoexist, FORCE_EXEC, - true); + if (!btcoexist->auto_report_1ant) { + if (coex_sta->bt_info_ext & BIT4) { + /* BT auto report already enabled, do nothing */ + } else { + halbtc8723b1ant_bt_auto_report(btcoexist, + FORCE_EXEC, + true); + } } -#endif } /* check BIT2 first ==> check if bt is under inquiry or page scan */ @@ -3176,16 +3520,15 @@ void ex_halbtc8723b1ant_periodical(struc "[BTCoex], ****************************************************************\n"); } -#if (BT_AUTO_REPORT_ONLY_8723B_1ANT == 0) - halbtc8723b1ant_query_bt_info(btcoexist); - halbtc8723b1ant_monitor_bt_ctr(btcoexist); - halbtc8723b1ant_monitor_bt_enable_disable(btcoexist); -#else - if (btc8723b1ant_is_wifi_status_changed(btcoexist) || - coex_dm->auto_tdma_adjust) { - halbtc8723b1ant_run_coexist_mechanism(btcoexist); + if (!btcoexist->auto_report_1ant) { + halbtc8723b1ant_query_bt_info(btcoexist); + halbtc8723b1ant_monitor_bt_ctr(btcoexist); + halbtc8723b1ant_monitor_bt_enable_disable(btcoexist); + } else { + if (btc8723b1ant_is_wifi_status_changed(btcoexist) || + coex_dm->auto_tdma_adjust) { + halbtc8723b1ant_run_coexist_mechanism(btcoexist); + } + coex_sta->special_pkt_period_cnt++; } - - coex_sta->special_pkt_period_cnt++; -#endif } Index: wireless-drivers-next/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h =================================================================== --- wireless-drivers-next.orig/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h +++ wireless-drivers-next/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h @@ -25,7 +25,6 @@ /********************************************************************** * The following is for 8723B 1ANT BT Co-exist definition **********************************************************************/ -#define BT_AUTO_REPORT_ONLY_8723B_1ANT 1 #define BT_INFO_8723B_1ANT_B_FTP BIT7 #define BT_INFO_8723B_1ANT_B_A2DP BIT6 @@ -84,6 +83,9 @@ enum _BT_8723B_1ANT_COEX_ALGO { }; struct coex_dm_8723b_1ant { + /* hw setting */ + u8 pre_ant_pos_type; + u8 cur_ant_pos_type; /* fw mechanism */ bool cur_ignore_wlan_act; bool pre_ignore_wlan_act; @@ -138,6 +140,7 @@ struct coex_dm_8723b_1ant { }; struct coex_sta_8723b_1ant { + bool bt_disabled; bool bt_link_exist; bool sco_exist; bool a2dp_exist; Index: wireless-drivers-next/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h =================================================================== --- wireless-drivers-next.orig/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h +++ wireless-drivers-next/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h @@ -138,8 +138,12 @@ struct btc_board_info { u8 bt_chip_type; u8 pg_ant_num; /* pg ant number */ u8 btdm_ant_num; /* ant number for btdm */ + u8 btdm_ant_num_by_ant_det; /* ant number for btdm after antenna + * detection + */ u8 btdm_ant_pos; bool bt_exist; + bool btdm_ant_det_finish; }; enum btc_dbg_opcode { @@ -205,6 +209,7 @@ enum btc_get_type { BTC_GET_BL_WIFI_ENABLE_ENCRYPTION, BTC_GET_BL_WIFI_UNDER_B_MODE, BTC_GET_BL_EXT_SWITCH, + BTC_GET_BL_WIFI_IS_IN_MP_MODE, /* type s4Byte */ BTC_GET_S4_WIFI_RSSI,