/****************************************************************************** * * Copyright(c) 2007 - 2017 Realtek Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * *****************************************************************************/ /* ************************************************************ * include files * ************************************************************ */ #include "mp_precomp.h" #include "phydm_precomp.h" /* #if( DM_ODM_SUPPORT_TYPE & (ODM_WIN |ODM_CE)) */ #if (defined(CONFIG_ANT_DETECTION)) /* IS_ANT_DETECT_SUPPORT_SINGLE_TONE(adapter) * IS_ANT_DETECT_SUPPORT_RSSI(adapter) * IS_ANT_DETECT_SUPPORT_PSD(adapter) */ /* 1 [1. Single Tone method] =================================================== */ /* * Description: * Set Single/Dual Antenna default setting for products that do not do detection in advance. * * Added by Joseph, 2012.03.22 * */ void odm_single_dual_antenna_default_setting( void *p_dm_void ) { struct PHY_DM_STRUCT *p_dm = (struct PHY_DM_STRUCT *)p_dm_void; struct _sw_antenna_switch_ *p_dm_swat_table = &p_dm->dm_swat_table; struct _ADAPTER *p_adapter = p_dm->adapter; u8 bt_ant_num = BT_GetPgAntNum(p_adapter); /* Set default antenna A and B status */ if (bt_ant_num == 2) { p_dm_swat_table->ANTA_ON = true; p_dm_swat_table->ANTB_ON = true; } else if (bt_ant_num == 1) { /* Set antenna A as default */ p_dm_swat_table->ANTA_ON = true; p_dm_swat_table->ANTB_ON = false; } else RT_ASSERT(false, ("Incorrect antenna number!!\n")); } /* 2 8723A ANT DETECT * * Description: * Implement IQK single tone for RF DPK loopback and BB PSD scanning. * This function is cooperated with BB team Neil. * * Added by Roger, 2011.12.15 * */ boolean odm_single_dual_antenna_detection( void *p_dm_void, u8 mode ) { struct PHY_DM_STRUCT *p_dm = (struct PHY_DM_STRUCT *)p_dm_void; struct _ADAPTER *p_adapter = p_dm->adapter; struct _sw_antenna_switch_ *p_dm_swat_table = &p_dm->dm_swat_table; u32 current_channel, rf_loop_reg; u8 n; u32 reg88c, regc08, reg874, regc50, reg948, regb2c, reg92c, reg930, reg064, afe_rrx_wait_cca; u8 initial_gain = 0x5a; u32 PSD_report_tmp; u32 ant_a_report = 0x0, ant_b_report = 0x0, ant_0_report = 0x0; boolean is_result = true; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_single_dual_antenna_detection()============>\n")); if (!(p_dm->support_ic_type & ODM_RTL8723B)) return is_result; /* Retrieve antenna detection registry info, added by Roger, 2012.11.27. */ if (!IS_ANT_DETECT_SUPPORT_SINGLE_TONE(p_adapter)) return is_result; /* 1 Backup Current RF/BB Settings */ current_channel = odm_get_rf_reg(p_dm, RF_PATH_A, ODM_CHANNEL, RFREGOFFSETMASK); rf_loop_reg = odm_get_rf_reg(p_dm, RF_PATH_A, 0x00, RFREGOFFSETMASK); if (p_dm->support_ic_type & ODM_RTL8723B) { reg92c = odm_get_bb_reg(p_dm, REG_DPDT_CONTROL, MASKDWORD); reg930 = odm_get_bb_reg(p_dm, rfe_ctrl_anta_src, MASKDWORD); reg948 = odm_get_bb_reg(p_dm, REG_S0_S1_PATH_SWITCH, MASKDWORD); regb2c = odm_get_bb_reg(p_dm, REG_AGC_TABLE_SELECT, MASKDWORD); reg064 = odm_get_mac_reg(p_dm, REG_SYM_WLBT_PAPE_SEL, BIT(29)); odm_set_bb_reg(p_dm, REG_DPDT_CONTROL, 0x3, 0x1); odm_set_bb_reg(p_dm, rfe_ctrl_anta_src, 0xff, 0x77); odm_set_mac_reg(p_dm, REG_SYM_WLBT_PAPE_SEL, BIT(29), 0x1); /* dbg 7 */ odm_set_bb_reg(p_dm, REG_S0_S1_PATH_SWITCH, 0x3c0, 0x0);/* dbg 8 */ odm_set_bb_reg(p_dm, REG_AGC_TABLE_SELECT, BIT(31), 0x0); } ODM_delay_us(10); /* Store A path Register 88c, c08, 874, c50 */ reg88c = odm_get_bb_reg(p_dm, REG_FPGA0_ANALOG_PARAMETER4, MASKDWORD); regc08 = odm_get_bb_reg(p_dm, REG_OFDM_0_TR_MUX_PAR, MASKDWORD); reg874 = odm_get_bb_reg(p_dm, REG_FPGA0_XCD_RF_INTERFACE_SW, MASKDWORD); regc50 = odm_get_bb_reg(p_dm, REG_OFDM_0_XA_AGC_CORE1, MASKDWORD); /* Store AFE Registers */ if (p_dm->support_ic_type & ODM_RTL8723B) afe_rrx_wait_cca = odm_get_bb_reg(p_dm, REG_RX_WAIT_CCA, MASKDWORD); /* Set PSD 128 pts */ odm_set_bb_reg(p_dm, REG_FPGA0_PSD_FUNCTION, BIT(14) | BIT15, 0x0); /* 128 pts */ /* To SET CH1 to do */ odm_set_rf_reg(p_dm, RF_PATH_A, ODM_CHANNEL, RFREGOFFSETMASK, 0x7401); /* channel 1 */ /* AFE all on step */ if (p_dm->support_ic_type & ODM_RTL8723B) odm_set_bb_reg(p_dm, REG_RX_WAIT_CCA, MASKDWORD, 0x01c00016); /* 3 wire Disable */ odm_set_bb_reg(p_dm, REG_FPGA0_ANALOG_PARAMETER4, MASKDWORD, 0xCCF000C0); /* BB IQK setting */ odm_set_bb_reg(p_dm, REG_OFDM_0_TR_MUX_PAR, MASKDWORD, 0x000800E4); odm_set_bb_reg(p_dm, REG_FPGA0_XCD_RF_INTERFACE_SW, MASKDWORD, 0x22208000); /* IQK setting tone@ 4.34Mhz */ odm_set_bb_reg(p_dm, REG_TX_IQK_TONE_A, MASKDWORD, 0x10008C1C); odm_set_bb_reg(p_dm, REG_TX_IQK, MASKDWORD, 0x01007c00); /* Page B init */ odm_set_bb_reg(p_dm, REG_CONFIG_ANT_A, MASKDWORD, 0x00080000); odm_set_bb_reg(p_dm, REG_CONFIG_ANT_A, MASKDWORD, 0x0f600000); odm_set_bb_reg(p_dm, REG_RX_IQK, MASKDWORD, 0x01004800); odm_set_bb_reg(p_dm, REG_RX_IQK_TONE_A, MASKDWORD, 0x10008c1f); if (p_dm->support_ic_type & ODM_RTL8723B) { odm_set_bb_reg(p_dm, REG_TX_IQK_PI_A, MASKDWORD, 0x82150016); odm_set_bb_reg(p_dm, REG_RX_IQK_PI_A, MASKDWORD, 0x28150016); } odm_set_bb_reg(p_dm, REG_IQK_AGC_RSP, MASKDWORD, 0x001028d0); odm_set_bb_reg(p_dm, REG_OFDM_0_XA_AGC_CORE1, 0x7f, initial_gain); /* IQK Single tone start */ odm_set_bb_reg(p_dm, REG_FPGA0_IQK, 0xffffff00, 0x808000); odm_set_bb_reg(p_dm, REG_IQK_AGC_PTS, MASKDWORD, 0xf9000000); odm_set_bb_reg(p_dm, REG_IQK_AGC_PTS, MASKDWORD, 0xf8000000); ODM_delay_us(10000); /* PSD report of antenna A */ PSD_report_tmp = 0x0; for (n = 0; n < 2; n++) { PSD_report_tmp = phydm_get_psd_data(p_dm, 14, initial_gain); if (PSD_report_tmp > ant_a_report) ant_a_report = PSD_report_tmp; } /* change to Antenna B */ if (p_dm->support_ic_type & ODM_RTL8723B) { /* odm_set_bb_reg(p_dm, REG_DPDT_CONTROL, 0x3, 0x2); */ odm_set_bb_reg(p_dm, REG_S0_S1_PATH_SWITCH, 0xfff, 0x280); odm_set_bb_reg(p_dm, REG_AGC_TABLE_SELECT, BIT(31), 0x1); } ODM_delay_us(10); /* PSD report of antenna B */ PSD_report_tmp = 0x0; for (n = 0; n < 2; n++) { PSD_report_tmp = phydm_get_psd_data(p_dm, 14, initial_gain); if (PSD_report_tmp > ant_b_report) ant_b_report = PSD_report_tmp; } /* Close IQK Single Tone function */ odm_set_bb_reg(p_dm, REG_FPGA0_IQK, 0xffffff00, 0x000000); /* 1 Return to antanna A */ if (p_dm->support_ic_type & ODM_RTL8723B) { /* external DPDT */ odm_set_bb_reg(p_dm, REG_DPDT_CONTROL, MASKDWORD, reg92c); /* internal S0/S1 */ odm_set_bb_reg(p_dm, REG_S0_S1_PATH_SWITCH, MASKDWORD, reg948); odm_set_bb_reg(p_dm, REG_AGC_TABLE_SELECT, MASKDWORD, regb2c); odm_set_bb_reg(p_dm, rfe_ctrl_anta_src, MASKDWORD, reg930); odm_set_mac_reg(p_dm, REG_SYM_WLBT_PAPE_SEL, BIT(29), reg064); } odm_set_bb_reg(p_dm, REG_FPGA0_ANALOG_PARAMETER4, MASKDWORD, reg88c); odm_set_bb_reg(p_dm, REG_OFDM_0_TR_MUX_PAR, MASKDWORD, regc08); odm_set_bb_reg(p_dm, REG_FPGA0_XCD_RF_INTERFACE_SW, MASKDWORD, reg874); odm_set_bb_reg(p_dm, REG_OFDM_0_XA_AGC_CORE1, 0x7F, 0x40); odm_set_bb_reg(p_dm, REG_OFDM_0_XA_AGC_CORE1, MASKDWORD, regc50); odm_set_rf_reg(p_dm, RF_PATH_A, RF_CHNLBW, RFREGOFFSETMASK, current_channel); odm_set_rf_reg(p_dm, RF_PATH_A, 0x00, RFREGOFFSETMASK, rf_loop_reg); /* Reload AFE Registers */ if (p_dm->support_ic_type & ODM_RTL8723B) odm_set_bb_reg(p_dm, REG_RX_WAIT_CCA, MASKDWORD, afe_rrx_wait_cca); if (p_dm->support_ic_type & ODM_RTL8723B) { PHYDM_DBG(p_dm, DBG_ANT_DIV, ("psd_report_A[%d]= %d\n", 2416, ant_a_report)); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("psd_report_B[%d]= %d\n", 2416, ant_b_report)); /* 2 Test ant B based on ant A is ON */ if ((ant_a_report >= 100) && (ant_b_report >= 100) && (ant_a_report <= 135) && (ant_b_report <= 135)) { u8 TH1 = 2, TH2 = 6; if ((ant_a_report - ant_b_report < TH1) || (ant_b_report - ant_a_report < TH1)) { p_dm_swat_table->ANTA_ON = true; p_dm_swat_table->ANTB_ON = true; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_single_dual_antenna_detection(): Dual Antenna\n")); } else if (((ant_a_report - ant_b_report >= TH1) && (ant_a_report - ant_b_report <= TH2)) || ((ant_b_report - ant_a_report >= TH1) && (ant_b_report - ant_a_report <= TH2))) { p_dm_swat_table->ANTA_ON = false; p_dm_swat_table->ANTB_ON = false; is_result = false; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_single_dual_antenna_detection(): Need to check again\n")); } else { p_dm_swat_table->ANTA_ON = true; p_dm_swat_table->ANTB_ON = false; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_single_dual_antenna_detection(): Single Antenna\n")); } p_dm->ant_detected_info.is_ant_detected = true; p_dm->ant_detected_info.db_for_ant_a = ant_a_report; p_dm->ant_detected_info.db_for_ant_b = ant_b_report; p_dm->ant_detected_info.db_for_ant_o = ant_0_report; } else { PHYDM_DBG(p_dm, DBG_ANT_DIV, ("return false!!\n")); is_result = false; } } return is_result; } /* 1 [2. Scan AP RSSI method] ================================================== */ boolean odm_sw_ant_div_check_before_link( void *p_dm_void ) { #if (RT_MEM_SIZE_LEVEL != RT_MEM_SIZE_MINIMUM) struct PHY_DM_STRUCT *p_dm = (struct PHY_DM_STRUCT *)p_dm_void; struct _ADAPTER *adapter = p_dm->adapter; HAL_DATA_TYPE *p_hal_data = GET_HAL_DATA(adapter); PMGNT_INFO p_mgnt_info = &adapter->MgntInfo; struct _sw_antenna_switch_ *p_dm_swat_table = &p_dm->dm_swat_table; struct phydm_fat_struct *p_dm_fat_table = &p_dm->dm_fat_table; s8 score = 0; PRT_WLAN_BSS p_tmp_bss_desc, p_test_bss_desc; u8 power_target_L = 9, power_target_H = 16; u8 tmp_power_diff = 0, power_diff = 0, avg_power_diff = 0, max_power_diff = 0, min_power_diff = 0xff; u16 index, counter = 0; static u8 scan_channel; u32 tmp_swas_no_link_bk_reg948; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("ANTA_ON = (( %d )) , ANTB_ON = (( %d ))\n", p_dm->dm_swat_table.ANTA_ON, p_dm->dm_swat_table.ANTB_ON)); /* if(HP id) */ { if (p_dm->dm_swat_table.rssi_ant_dect_result == true && p_dm->support_ic_type == ODM_RTL8723B) { PHYDM_DBG(p_dm, DBG_ANT_DIV, ("8723B RSSI-based Antenna Detection is done\n")); return false; } if (p_dm->support_ic_type == ODM_RTL8723B) { if (p_dm_swat_table->swas_no_link_bk_reg948 == 0xff) p_dm_swat_table->swas_no_link_bk_reg948 = odm_read_4byte(p_dm, REG_S0_S1_PATH_SWITCH); } } if (p_dm->adapter == NULL) { /* For BSOD when plug/unplug fast. //By YJ,120413 */ /* The ODM structure is not initialized. */ return false; } /* Retrieve antenna detection registry info, added by Roger, 2012.11.27. */ if (!IS_ANT_DETECT_SUPPORT_RSSI(adapter)) return false; else PHYDM_DBG(p_dm, DBG_ANT_DIV, ("Antenna Detection: RSSI method\n")); /* Since driver is going to set BB register, it shall check if there is another thread controlling BB/RF. */ odm_acquire_spin_lock(p_dm, RT_RF_STATE_SPINLOCK); if (p_hal_data->eRFPowerState != eRfOn || p_mgnt_info->RFChangeInProgress || p_mgnt_info->bMediaConnect) { odm_release_spin_lock(p_dm, RT_RF_STATE_SPINLOCK); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link(): rf_change_in_progress(%x), e_rf_power_state(%x)\n", p_mgnt_info->RFChangeInProgress, p_hal_data->eRFPowerState)); p_dm_swat_table->swas_no_link_state = 0; return false; } else odm_release_spin_lock(p_dm, RT_RF_STATE_SPINLOCK); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("p_dm_swat_table->swas_no_link_state = %d\n", p_dm_swat_table->swas_no_link_state)); /* 1 Run AntDiv mechanism "Before Link" part. */ if (p_dm_swat_table->swas_no_link_state == 0) { /* 1 Prepare to do Scan again to check current antenna state. */ /* Set check state to next step. */ p_dm_swat_table->swas_no_link_state = 1; /* Copy Current Scan list. */ p_mgnt_info->tmpNumBssDesc = p_mgnt_info->NumBssDesc; PlatformMoveMemory((void *)adapter->MgntInfo.tmpbssDesc, (void *)p_mgnt_info->bssDesc, sizeof(RT_WLAN_BSS) * MAX_BSS_DESC); /* Go back to scan function again. */ PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link: Scan one more time\n")); p_mgnt_info->ScanStep = 0; p_mgnt_info->bScanAntDetect = true; scan_channel = odm_sw_ant_div_select_scan_chnl(adapter); if (p_dm->support_ic_type & (ODM_RTL8188E | ODM_RTL8821)) { if (p_dm_fat_table->rx_idle_ant == MAIN_ANT) odm_update_rx_idle_ant(p_dm, AUX_ANT); else odm_update_rx_idle_ant(p_dm, MAIN_ANT); if (scan_channel == 0) { PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link(): No AP List Avaiable, Using ant(%s)\n", (p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "AUX_ANT" : "MAIN_ANT")); if (IS_5G_WIRELESS_MODE(p_mgnt_info->dot11CurrentWirelessMode)) { p_dm_swat_table->ant_5g = p_dm_fat_table->rx_idle_ant; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("p_dm_swat_table->ant_5g=%s\n", (p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "MAIN_ANT" : "AUX_ANT")); } else { p_dm_swat_table->ant_2g = p_dm_fat_table->rx_idle_ant; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("p_dm_swat_table->ant_2g=%s\n", (p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "MAIN_ANT" : "AUX_ANT")); } return false; } PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link: Change to %s for testing.\n", ((p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "MAIN_ANT" : "AUX_ANT"))); } else if (p_dm->support_ic_type & (ODM_RTL8723B)) { /*Switch Antenna to another one.*/ tmp_swas_no_link_bk_reg948 = odm_read_4byte(p_dm, REG_S0_S1_PATH_SWITCH); if ((p_dm_swat_table->cur_antenna == MAIN_ANT) && (tmp_swas_no_link_bk_reg948 == 0x200)) { odm_set_bb_reg(p_dm, REG_S0_S1_PATH_SWITCH, 0xfff, 0x280); odm_set_bb_reg(p_dm, REG_AGC_TABLE_SELECT, BIT(31), 0x1); p_dm_swat_table->cur_antenna = AUX_ANT; } else { PHYDM_DBG(p_dm, DBG_ANT_DIV, ("Reg[948]= (( %x )) was in wrong state\n", tmp_swas_no_link_bk_reg948)); return false; } ODM_delay_us(10); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link: Change to (( %s-ant)) for testing.\n", (p_dm_swat_table->cur_antenna == MAIN_ANT) ? "MAIN" : "AUX")); } odm_sw_ant_div_construct_scan_chnl(adapter, scan_channel); PlatformSetTimer(adapter, &p_mgnt_info->ScanTimer, 5); return true; } else { /* p_dm_swat_table->swas_no_link_state == 1 */ /* 1 ScanComple() is called after antenna swiched. */ /* 1 Check scan result and determine which antenna is going */ /* 1 to be used. */ PHYDM_DBG(p_dm, DBG_ANT_DIV, (" tmp_num_bss_desc= (( %d ))\n", p_mgnt_info->tmpNumBssDesc)); /* debug for Dino */ for (index = 0; index < p_mgnt_info->tmpNumBssDesc; index++) { p_tmp_bss_desc = &(p_mgnt_info->tmpbssDesc[index]); /* Antenna 1 */ p_test_bss_desc = &(p_mgnt_info->bssDesc[index]); /* Antenna 2 */ if (PlatformCompareMemory(p_test_bss_desc->bdBssIdBuf, p_tmp_bss_desc->bdBssIdBuf, 6) != 0) { PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link(): ERROR!! This shall not happen.\n")); continue; } if (p_dm->support_ic_type != ODM_RTL8723B) { if (p_tmp_bss_desc->ChannelNumber == scan_channel) { if (p_tmp_bss_desc->RecvSignalPower > p_test_bss_desc->RecvSignalPower) { PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link: Compare scan entry: score++\n")); RT_PRINT_STR(COMP_SCAN, DBG_WARNING, "GetScanInfo(): new Bss SSID:", p_tmp_bss_desc->bdSsIdBuf, p_tmp_bss_desc->bdSsIdLen); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("at ch %d, Original: %d, Test: %d\n\n", p_tmp_bss_desc->ChannelNumber, p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower)); score++; PlatformMoveMemory(p_test_bss_desc, p_tmp_bss_desc, sizeof(RT_WLAN_BSS)); } else if (p_tmp_bss_desc->RecvSignalPower < p_test_bss_desc->RecvSignalPower) { PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link: Compare scan entry: score--\n")); RT_PRINT_STR(COMP_SCAN, DBG_WARNING, "GetScanInfo(): new Bss SSID:", p_tmp_bss_desc->bdSsIdBuf, p_tmp_bss_desc->bdSsIdLen); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("at ch %d, Original: %d, Test: %d\n\n", p_tmp_bss_desc->ChannelNumber, p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower)); score--; } else { if (p_test_bss_desc->bdTstamp - p_tmp_bss_desc->bdTstamp < 5000) { RT_PRINT_STR(COMP_SCAN, DBG_WARNING, "GetScanInfo(): new Bss SSID:", p_tmp_bss_desc->bdSsIdBuf, p_tmp_bss_desc->bdSsIdLen); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("at ch %d, Original: %d, Test: %d\n", p_tmp_bss_desc->ChannelNumber, p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower)); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("The 2nd Antenna didn't get this AP\n\n")); } } } } else { /* 8723B */ if (p_tmp_bss_desc->ChannelNumber == scan_channel) { PHYDM_DBG(p_dm, DBG_ANT_DIV, ("channel_number == scan_channel->(( %d ))\n", p_tmp_bss_desc->ChannelNumber)); if (p_tmp_bss_desc->RecvSignalPower > p_test_bss_desc->RecvSignalPower) { /* Pow(Ant1) > Pow(Ant2) */ counter++; tmp_power_diff = (u8)(p_tmp_bss_desc->RecvSignalPower - p_test_bss_desc->RecvSignalPower); power_diff = power_diff + tmp_power_diff; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("Original: %d, Test: %d\n", p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower)); PHYDM_PRINT_ADDR(p_dm, DBG_ANT_DIV, ("SSID:"), p_tmp_bss_desc->bdSsIdBuf); PHYDM_PRINT_ADDR(p_dm, DBG_ANT_DIV, ("BSSID:"), p_tmp_bss_desc->bdSsIdBuf); /* PHYDM_DBG(p_dm,DBG_ANT_DIV, ("tmp_power_diff: (( %d)),max_power_diff: (( %d)),min_power_diff: (( %d))\n", tmp_power_diff,max_power_diff,min_power_diff)); */ if (tmp_power_diff > max_power_diff) max_power_diff = tmp_power_diff; if (tmp_power_diff < min_power_diff) min_power_diff = tmp_power_diff; /* PHYDM_DBG(p_dm,DBG_ANT_DIV, ("max_power_diff: (( %d)),min_power_diff: (( %d))\n",max_power_diff,min_power_diff)); */ PlatformMoveMemory(p_test_bss_desc, p_tmp_bss_desc, sizeof(RT_WLAN_BSS)); } else if (p_test_bss_desc->RecvSignalPower > p_tmp_bss_desc->RecvSignalPower) { /* Pow(Ant1) < Pow(Ant2) */ counter++; tmp_power_diff = (u8)(p_test_bss_desc->RecvSignalPower - p_tmp_bss_desc->RecvSignalPower); power_diff = power_diff + tmp_power_diff; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("Original: %d, Test: %d\n", p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower)); PHYDM_PRINT_ADDR(p_dm, DBG_ANT_DIV, ("SSID:"), p_tmp_bss_desc->bdSsIdBuf); PHYDM_PRINT_ADDR(p_dm, DBG_ANT_DIV, ("BSSID:"), p_tmp_bss_desc->bdSsIdBuf); if (tmp_power_diff > max_power_diff) max_power_diff = tmp_power_diff; if (tmp_power_diff < min_power_diff) min_power_diff = tmp_power_diff; } else { /* Pow(Ant1) = Pow(Ant2) */ if (p_test_bss_desc->bdTstamp > p_tmp_bss_desc->bdTstamp) { /* Stamp(Ant1) < Stamp(Ant2) */ PHYDM_DBG(p_dm, DBG_ANT_DIV, ("time_diff: %lld\n", (p_test_bss_desc->bdTstamp - p_tmp_bss_desc->bdTstamp) / 1000)); if (p_test_bss_desc->bdTstamp - p_tmp_bss_desc->bdTstamp > 5000) { counter++; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("Original: %d, Test: %d\n", p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower)); PHYDM_PRINT_ADDR(p_dm, DBG_ANT_DIV, ("SSID:"), p_tmp_bss_desc->bdSsIdBuf); PHYDM_PRINT_ADDR(p_dm, DBG_ANT_DIV, ("BSSID:"), p_tmp_bss_desc->bdSsIdBuf); min_power_diff = 0; } } else PHYDM_DBG(p_dm, DBG_ANT_DIV, ("[Error !!!]: Time_diff: %lld\n", (p_test_bss_desc->bdTstamp - p_tmp_bss_desc->bdTstamp) / 1000)); } } } } if (p_dm->support_ic_type & (ODM_RTL8188E | ODM_RTL8821)) { if (p_mgnt_info->NumBssDesc != 0 && score < 0) { PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link(): Using ant(%s)\n", (p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "MAIN_ANT" : "AUX_ANT")); } else { PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link(): Remain ant(%s)\n", (p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "AUX_ANT" : "MAIN_ANT")); if (p_dm_fat_table->rx_idle_ant == MAIN_ANT) odm_update_rx_idle_ant(p_dm, AUX_ANT); else odm_update_rx_idle_ant(p_dm, MAIN_ANT); } if (IS_5G_WIRELESS_MODE(p_mgnt_info->dot11CurrentWirelessMode)) { p_dm_swat_table->ant_5g = p_dm_fat_table->rx_idle_ant; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("p_dm_swat_table->ant_5g=%s\n", (p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "MAIN_ANT" : "AUX_ANT")); } else { p_dm_swat_table->ant_2g = p_dm_fat_table->rx_idle_ant; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("p_dm_swat_table->ant_2g=%s\n", (p_dm_fat_table->rx_idle_ant == MAIN_ANT) ? "MAIN_ANT" : "AUX_ANT")); } } else if (p_dm->support_ic_type == ODM_RTL8723B) { if (counter == 0) { if (p_dm->dm_swat_table.pre_aux_fail_detec == false) { p_dm->dm_swat_table.pre_aux_fail_detec = true; p_dm->dm_swat_table.rssi_ant_dect_result = false; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("counter=(( 0 )) , [[ Cannot find any AP with Aux-ant ]] -> Scan Target-channel again\n")); /* 3 [ Scan again ] */ odm_sw_ant_div_construct_scan_chnl(adapter, scan_channel); PlatformSetTimer(adapter, &p_mgnt_info->ScanTimer, 5); return true; } else { /* pre_aux_fail_detec == true */ /* 2 [ Single Antenna ] */ p_dm->dm_swat_table.pre_aux_fail_detec = false; p_dm->dm_swat_table.rssi_ant_dect_result = true; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("counter=(( 0 )) , [[ Still cannot find any AP ]]\n")); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link(): Single antenna\n")); } p_dm->dm_swat_table.aux_fail_detec_counter++; } else { p_dm->dm_swat_table.pre_aux_fail_detec = false; if (counter == 3) { avg_power_diff = ((power_diff - max_power_diff - min_power_diff) >> 1) + ((max_power_diff + min_power_diff) >> 2); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("counter: (( %d )) , power_diff: (( %d ))\n", counter, power_diff)); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("[ counter==3 ] Modified avg_power_diff: (( %d )) , max_power_diff: (( %d )) , min_power_diff: (( %d ))\n", avg_power_diff, max_power_diff, min_power_diff)); } else if (counter >= 4) { avg_power_diff = (power_diff - max_power_diff - min_power_diff) / (counter - 2); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("counter: (( %d )) , power_diff: (( %d ))\n", counter, power_diff)); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("[ counter>=4 ] Modified avg_power_diff: (( %d )) , max_power_diff: (( %d )) , min_power_diff: (( %d ))\n", avg_power_diff, max_power_diff, min_power_diff)); } else { /* counter==1,2 */ avg_power_diff = power_diff / counter; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("avg_power_diff: (( %d )) , counter: (( %d )) , power_diff: (( %d ))\n", avg_power_diff, counter, power_diff)); } /* 2 [ Retry ] */ if ((avg_power_diff >= power_target_L) && (avg_power_diff <= power_target_H)) { p_dm->dm_swat_table.retry_counter++; if (p_dm->dm_swat_table.retry_counter <= 3) { p_dm->dm_swat_table.rssi_ant_dect_result = false; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("[[ Low confidence result ]] avg_power_diff= (( %d )) -> Scan Target-channel again ]]\n", avg_power_diff)); /* 3 [ Scan again ] */ odm_sw_ant_div_construct_scan_chnl(adapter, scan_channel); PlatformSetTimer(adapter, &p_mgnt_info->ScanTimer, 5); return true; } else { p_dm->dm_swat_table.rssi_ant_dect_result = true; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("[[ Still Low confidence result ]] (( retry_counter > 3 ))\n")); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link(): Single antenna\n")); } } /* 2 [ Dual Antenna ] */ else if ((p_mgnt_info->NumBssDesc != 0) && (avg_power_diff < power_target_L)) { p_dm->dm_swat_table.rssi_ant_dect_result = true; if (p_dm->dm_swat_table.ANTB_ON == false) { p_dm->dm_swat_table.ANTA_ON = true; p_dm->dm_swat_table.ANTB_ON = true; } PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link(): Dual antenna\n")); p_dm->dm_swat_table.dual_ant_counter++; /* set bt coexDM from 1ant coexDM to 2ant coexDM */ BT_SetBtCoexAntNum(adapter, BT_COEX_ANT_TYPE_DETECTED, 2); /* 3 [ Init antenna diversity ] */ p_dm->support_ability |= ODM_BB_ANT_DIV; odm_ant_div_init(p_dm); } /* 2 [ Single Antenna ] */ else if (avg_power_diff > power_target_H) { p_dm->dm_swat_table.rssi_ant_dect_result = true; if (p_dm->dm_swat_table.ANTB_ON == true) { p_dm->dm_swat_table.ANTA_ON = true; p_dm->dm_swat_table.ANTB_ON = false; /* bt_set_bt_coex_ant_num(adapter, BT_COEX_ANT_TYPE_DETECTED, 1); */ } PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link(): Single antenna\n")); p_dm->dm_swat_table.single_ant_counter++; } } /* PHYDM_DBG(p_dm,DBG_ANT_DIV, ("is_result=(( %d ))\n",p_dm->dm_swat_table.rssi_ant_dect_result)); */ PHYDM_DBG(p_dm, DBG_ANT_DIV, ("dual_ant_counter = (( %d )), single_ant_counter = (( %d )) , retry_counter = (( %d )) , aux_fail_detec_counter = (( %d ))\n\n\n", p_dm->dm_swat_table.dual_ant_counter, p_dm->dm_swat_table.single_ant_counter, p_dm->dm_swat_table.retry_counter, p_dm->dm_swat_table.aux_fail_detec_counter)); /* 2 recover the antenna setting */ if (p_dm->dm_swat_table.ANTB_ON == false) odm_set_bb_reg(p_dm, REG_S0_S1_PATH_SWITCH, 0xfff, (p_dm_swat_table->swas_no_link_bk_reg948)); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("is_result=(( %d )), Recover Reg[948]= (( %x ))\n\n", p_dm->dm_swat_table.rssi_ant_dect_result, p_dm_swat_table->swas_no_link_bk_reg948)); } /* Check state reset to default and wait for next time. */ p_dm_swat_table->swas_no_link_state = 0; p_mgnt_info->bScanAntDetect = false; return false; } #else return false; #endif return false; } /* 1 [3. PSD method] ========================================================== */ void odm_single_dual_antenna_detection_psd( void *p_dm_void ) { struct PHY_DM_STRUCT *p_dm = (struct PHY_DM_STRUCT *)p_dm_void; u32 channel_ori; u8 initial_gain = 0x36; u8 tone_idx; u8 tone_lenth_1 = 7, tone_lenth_2 = 4; u16 tone_idx_1[7] = {88, 104, 120, 8, 24, 40, 56}; u16 tone_idx_2[4] = {8, 24, 40, 56}; u32 psd_report_main[11] = {0}, psd_report_aux[11] = {0}; /* u8 tone_lenth_1=4, tone_lenth_2=2; */ /* u16 tone_idx_1[4]={88, 120, 24, 56}; */ /* u16 tone_idx_2[2]={ 24, 56}; */ /* u32 psd_report_main[6]={0}, psd_report_aux[6]={0}; */ u32 PSD_report_temp, max_psd_report_main = 0, max_psd_report_aux = 0; u32 PSD_power_threshold; u32 main_psd_result = 0, aux_psd_result = 0; u32 regc50, reg948, regb2c, regc14, reg908; u32 i = 0, test_num = 8; if (p_dm->support_ic_type != ODM_RTL8723B) return; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_single_dual_antenna_detection_psd()============>\n")); /* 2 [ Backup Current RF/BB Settings ] */ channel_ori = odm_get_rf_reg(p_dm, RF_PATH_A, ODM_CHANNEL, RFREGOFFSETMASK); reg948 = odm_get_bb_reg(p_dm, REG_S0_S1_PATH_SWITCH, MASKDWORD); regb2c = odm_get_bb_reg(p_dm, REG_AGC_TABLE_SELECT, MASKDWORD); regc50 = odm_get_bb_reg(p_dm, REG_OFDM_0_XA_AGC_CORE1, MASKDWORD); regc14 = odm_get_bb_reg(p_dm, 0xc14, MASKDWORD); reg908 = odm_get_bb_reg(p_dm, 0x908, MASKDWORD); /* 2 [ setting for doing PSD function (CH4)] */ odm_set_bb_reg(p_dm, REG_FPGA0_RFMOD, BIT(24), 0); /* disable whole CCK block */ odm_write_1byte(p_dm, REG_TXPAUSE, 0xFF); /* Turn off TX -> Pause TX Queue */ odm_set_bb_reg(p_dm, 0xC14, MASKDWORD, 0x0); /* [ Set IQK Matrix = 0 ] equivalent to [ Turn off CCA] */ /* PHYTXON while loop */ odm_set_bb_reg(p_dm, 0x908, MASKDWORD, 0x803); while (odm_get_bb_reg(p_dm, 0xdf4, BIT(6))) { i++; if (i > 1000000) { PHYDM_DBG(p_dm, DBG_ANT_DIV, ("Wait in %s() more than %d times!\n", __FUNCTION__, i)); break; } } odm_set_bb_reg(p_dm, 0xc50, 0x7f, initial_gain); odm_set_rf_reg(p_dm, RF_PATH_A, ODM_CHANNEL, 0x7ff, 0x04); /* Set RF to CH4 & 40M */ odm_set_bb_reg(p_dm, REG_FPGA0_ANALOG_PARAMETER4, 0xf00000, 0xf); /* 3 wire Disable 88c[23:20]=0xf */ odm_set_bb_reg(p_dm, REG_FPGA0_PSD_FUNCTION, BIT(14) | BIT15, 0x0); /* 128 pt */ /* Set PSD 128 ptss */ ODM_delay_us(3000); /* 2 [ Doing PSD Function in (CH4)] */ /* Antenna A */ PHYDM_DBG(p_dm, DBG_ANT_DIV, ("Switch to Main-ant (CH4)\n")); odm_set_bb_reg(p_dm, 0x948, 0xfff, 0x200); ODM_delay_us(10); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("dbg\n")); for (i = 0; i < test_num; i++) { for (tone_idx = 0; tone_idx < tone_lenth_1; tone_idx++) { PSD_report_temp = phydm_get_psd_data(p_dm, tone_idx_1[tone_idx], initial_gain); /* if( PSD_report_temp>psd_report_main[tone_idx] ) */ psd_report_main[tone_idx] += PSD_report_temp; } } /* Antenna B */ PHYDM_DBG(p_dm, DBG_ANT_DIV, ("Switch to Aux-ant (CH4)\n")); odm_set_bb_reg(p_dm, 0x948, 0xfff, 0x280); ODM_delay_us(10); for (i = 0; i < test_num; i++) { for (tone_idx = 0; tone_idx < tone_lenth_1; tone_idx++) { PSD_report_temp = phydm_get_psd_data(p_dm, tone_idx_1[tone_idx], initial_gain); /* if( PSD_report_temp>psd_report_aux[tone_idx] ) */ psd_report_aux[tone_idx] += PSD_report_temp; } } /* 2 [ Doing PSD Function in (CH8)] */ odm_set_bb_reg(p_dm, REG_FPGA0_ANALOG_PARAMETER4, 0xf00000, 0x0); /* 3 wire enable 88c[23:20]=0x0 */ ODM_delay_us(3000); odm_set_bb_reg(p_dm, 0xc50, 0x7f, initial_gain); odm_set_rf_reg(p_dm, RF_PATH_A, ODM_CHANNEL, 0x7ff, 0x04); /* Set RF to CH8 & 40M */ odm_set_bb_reg(p_dm, REG_FPGA0_ANALOG_PARAMETER4, 0xf00000, 0xf); /* 3 wire Disable 88c[23:20]=0xf */ ODM_delay_us(3000); /* Antenna A */ PHYDM_DBG(p_dm, DBG_ANT_DIV, ("Switch to Main-ant (CH8)\n")); odm_set_bb_reg(p_dm, 0x948, 0xfff, 0x200); ODM_delay_us(10); for (i = 0; i < test_num; i++) { for (tone_idx = 0; tone_idx < tone_lenth_2; tone_idx++) { PSD_report_temp = phydm_get_psd_data(p_dm, tone_idx_2[tone_idx], initial_gain); /* if( PSD_report_temp>psd_report_main[tone_idx] ) */ psd_report_main[tone_lenth_1 + tone_idx] += PSD_report_temp; } } /* Antenna B */ PHYDM_DBG(p_dm, DBG_ANT_DIV, ("Switch to Aux-ant (CH8)\n")); odm_set_bb_reg(p_dm, 0x948, 0xfff, 0x280); ODM_delay_us(10); for (i = 0; i < test_num; i++) { for (tone_idx = 0; tone_idx < tone_lenth_2; tone_idx++) { PSD_report_temp = phydm_get_psd_data(p_dm, tone_idx_2[tone_idx], initial_gain); /* if( PSD_report_temp>psd_report_aux[tone_idx] ) */ psd_report_aux[tone_lenth_1 + tone_idx] += PSD_report_temp; } } /* 2 [ Calculate Result ] */ PHYDM_DBG(p_dm, DBG_ANT_DIV, ("\nMain PSD Result: (ALL)\n")); for (tone_idx = 0; tone_idx < (tone_lenth_1 + tone_lenth_2); tone_idx++) { PHYDM_DBG(p_dm, DBG_ANT_DIV, ("[Tone-%d]: %d,\n", (tone_idx + 1), psd_report_main[tone_idx])); main_psd_result += psd_report_main[tone_idx]; if (psd_report_main[tone_idx] > max_psd_report_main) max_psd_report_main = psd_report_main[tone_idx]; } PHYDM_DBG(p_dm, DBG_ANT_DIV, ("--------------------------- \nTotal_Main= (( %d ))\n", main_psd_result)); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("MAX_Main = (( %d ))\n", max_psd_report_main)); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("\nAux PSD Result: (ALL)\n")); for (tone_idx = 0; tone_idx < (tone_lenth_1 + tone_lenth_2); tone_idx++) { PHYDM_DBG(p_dm, DBG_ANT_DIV, ("[Tone-%d]: %d,\n", (tone_idx + 1), psd_report_aux[tone_idx])); aux_psd_result += psd_report_aux[tone_idx]; if (psd_report_aux[tone_idx] > max_psd_report_aux) max_psd_report_aux = psd_report_aux[tone_idx]; } PHYDM_DBG(p_dm, DBG_ANT_DIV, ("--------------------------- \nTotal_Aux= (( %d ))\n", aux_psd_result)); PHYDM_DBG(p_dm, DBG_ANT_DIV, ("MAX_Aux = (( %d ))\n\n", max_psd_report_aux)); /* main_psd_result=main_psd_result-max_psd_report_main; */ /* aux_psd_result=aux_psd_result-max_psd_report_aux; */ PSD_power_threshold = (main_psd_result * 7) >> 3; PHYDM_DBG(p_dm, DBG_ANT_DIV, ("[ Main_result, Aux_result ] = [ %d , %d ], PSD_power_threshold=(( %d ))\n", main_psd_result, aux_psd_result, PSD_power_threshold)); /* 3 [ Dual Antenna ] */ if (aux_psd_result >= PSD_power_threshold) { if (p_dm->dm_swat_table.ANTB_ON == false) { p_dm->dm_swat_table.ANTA_ON = true; p_dm->dm_swat_table.ANTB_ON = true; } PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link(): Dual antenna\n")); /* set bt coexDM from 1ant coexDM to 2ant coexDM */ /* bt_set_bt_coex_ant_num(p_adapter, BT_COEX_ANT_TYPE_DETECTED, 2); */ /* Init antenna diversity */ p_dm->support_ability |= ODM_BB_ANT_DIV; odm_ant_div_init(p_dm); } /* 3 [ Single Antenna ] */ else { if (p_dm->dm_swat_table.ANTB_ON == true) { p_dm->dm_swat_table.ANTA_ON = true; p_dm->dm_swat_table.ANTB_ON = false; } PHYDM_DBG(p_dm, DBG_ANT_DIV, ("odm_sw_ant_div_check_before_link(): Single antenna\n")); } /* 2 [ Recover all parameters ] */ odm_set_rf_reg(p_dm, RF_PATH_A, RF_CHNLBW, RFREGOFFSETMASK, channel_ori); odm_set_bb_reg(p_dm, REG_FPGA0_ANALOG_PARAMETER4, 0xf00000, 0x0); /* 3 wire enable 88c[23:20]=0x0 */ odm_set_bb_reg(p_dm, 0xc50, 0x7f, regc50); odm_set_bb_reg(p_dm, REG_S0_S1_PATH_SWITCH, MASKDWORD, reg948); odm_set_bb_reg(p_dm, REG_AGC_TABLE_SELECT, MASKDWORD, regb2c); odm_set_bb_reg(p_dm, REG_FPGA0_RFMOD, BIT(24), 1); /* enable whole CCK block */ odm_write_1byte(p_dm, REG_TXPAUSE, 0x0); /* Turn on TX */ /* Resume TX Queue */ odm_set_bb_reg(p_dm, 0xC14, MASKDWORD, regc14); /* [ Set IQK Matrix = 0 ] equivalent to [ Turn on CCA] */ odm_set_bb_reg(p_dm, 0x908, MASKDWORD, reg908); return; } #endif void odm_sw_ant_detect_init( void *p_dm_void ) { #if (defined(CONFIG_ANT_DETECTION)) #if (RTL8723B_SUPPORT == 1) struct PHY_DM_STRUCT *p_dm = (struct PHY_DM_STRUCT *)p_dm_void; struct _sw_antenna_switch_ *p_dm_swat_table = &p_dm->dm_swat_table; if (p_dm->support_ic_type != ODM_RTL8723B) return; /* p_dm_swat_table->pre_antenna = MAIN_ANT; */ /* p_dm_swat_table->cur_antenna = MAIN_ANT; */ p_dm_swat_table->swas_no_link_state = 0; p_dm_swat_table->pre_aux_fail_detec = false; p_dm_swat_table->swas_no_link_bk_reg948 = 0xff; #ifdef CONFIG_PSD_TOOL phydm_psd_init(p_dm); #endif #endif #endif }