RTL88x2BU-Linux-Driver/hal/phydm/phydm_antdect.c

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/******************************************************************************
*
* 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.
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
* Hsinchu 300, Taiwan.
*
* Larry Finger <Larry.Finger@lwfinger.net>
*
*****************************************************************************/
/* ************************************************************
* include files
* ************************************************************ */
#include "mp_precomp.h"
#include "phydm_precomp.h"
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#ifdef CONFIG_ANT_DETECTION
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/* @IS_ANT_DETECT_SUPPORT_SINGLE_TONE(adapter)
* IS_ANT_DETECT_SUPPORT_RSSI(adapter)
* IS_ANT_DETECT_SUPPORT_PSD(adapter) */
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/* @1 [1. Single Tone method] =================================================== */
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/*@
* Description:
* Set Single/Dual Antenna default setting for products that do not do detection in advance.
*
* Added by Joseph, 2012.03.22
* */
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void odm_sw_ant_div_construct_scan_chnl(
void *adapter,
u8 scan_chnl)
{
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}
u8 odm_sw_ant_div_select_scan_chnl(
void *adapter)
{
return 0;
}
void odm_single_dual_antenna_default_setting(
void *dm_void)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct sw_antenna_switch *dm_swat_table = &dm->dm_swat_table;
void *adapter = dm->adapter;
u8 bt_ant_num = BT_GetPgAntNum(adapter);
/* Set default antenna A and B status */
if (bt_ant_num == 2) {
dm_swat_table->ANTA_ON = true;
dm_swat_table->ANTB_ON = true;
} else if (bt_ant_num == 1) {
/* Set antenna A as default */
dm_swat_table->ANTA_ON = true;
dm_swat_table->ANTB_ON = false;
} else
RT_ASSERT(false, ("Incorrect antenna number!!\n"));
}
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/* @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(
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void *dm_void,
u8 mode)
{
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struct dm_struct *dm = (struct dm_struct *)dm_void;
void *adapter = dm->adapter;
struct sw_antenna_switch *dm_swat_table = &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(dm, DBG_ANT_DIV, "%s============>\n", __func__);
if (!(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(((PADAPTER)adapter)))
return is_result;
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/* @1 Backup Current RF/BB Settings */
current_channel = odm_get_rf_reg(dm, RF_PATH_A, ODM_CHANNEL, RFREGOFFSETMASK);
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rf_loop_reg = odm_get_rf_reg(dm, RF_PATH_A, RF_0x00, RFREGOFFSETMASK);
if (dm->support_ic_type & ODM_RTL8723B) {
reg92c = odm_get_bb_reg(dm, REG_DPDT_CONTROL, MASKDWORD);
reg930 = odm_get_bb_reg(dm, rfe_ctrl_anta_src, MASKDWORD);
reg948 = odm_get_bb_reg(dm, REG_S0_S1_PATH_SWITCH, MASKDWORD);
regb2c = odm_get_bb_reg(dm, REG_AGC_TABLE_SELECT, MASKDWORD);
reg064 = odm_get_mac_reg(dm, REG_SYM_WLBT_PAPE_SEL, BIT(29));
odm_set_bb_reg(dm, REG_DPDT_CONTROL, 0x3, 0x1);
odm_set_bb_reg(dm, rfe_ctrl_anta_src, 0xff, 0x77);
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odm_set_mac_reg(dm, REG_SYM_WLBT_PAPE_SEL, BIT(29), 0x1); /* @dbg 7 */
odm_set_bb_reg(dm, REG_S0_S1_PATH_SWITCH, 0x3c0, 0x0); /* @dbg 8 */
odm_set_bb_reg(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(dm, REG_FPGA0_ANALOG_PARAMETER4, MASKDWORD);
regc08 = odm_get_bb_reg(dm, REG_OFDM_0_TR_MUX_PAR, MASKDWORD);
reg874 = odm_get_bb_reg(dm, REG_FPGA0_XCD_RF_INTERFACE_SW, MASKDWORD);
regc50 = odm_get_bb_reg(dm, REG_OFDM_0_XA_AGC_CORE1, MASKDWORD);
/* Store AFE Registers */
if (dm->support_ic_type & ODM_RTL8723B)
afe_rrx_wait_cca = odm_get_bb_reg(dm, REG_RX_WAIT_CCA, MASKDWORD);
/* Set PSD 128 pts */
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odm_set_bb_reg(dm, REG_FPGA0_PSD_FUNCTION, BIT(14) | BIT15, 0x0); /* @128 pts */
/* To SET CH1 to do */
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odm_set_rf_reg(dm, RF_PATH_A, ODM_CHANNEL, RFREGOFFSETMASK, 0x7401); /* @channel 1 */
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/* @AFE all on step */
if (dm->support_ic_type & ODM_RTL8723B)
odm_set_bb_reg(dm, REG_RX_WAIT_CCA, MASKDWORD, 0x01c00016);
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/* @3 wire Disable */
odm_set_bb_reg(dm, REG_FPGA0_ANALOG_PARAMETER4, MASKDWORD, 0xCCF000C0);
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/* @BB IQK setting */
odm_set_bb_reg(dm, REG_OFDM_0_TR_MUX_PAR, MASKDWORD, 0x000800E4);
odm_set_bb_reg(dm, REG_FPGA0_XCD_RF_INTERFACE_SW, MASKDWORD, 0x22208000);
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/* @IQK setting tone@ 4.34Mhz */
odm_set_bb_reg(dm, REG_TX_IQK_TONE_A, MASKDWORD, 0x10008C1C);
odm_set_bb_reg(dm, REG_TX_IQK, MASKDWORD, 0x01007c00);
/* Page B init */
odm_set_bb_reg(dm, REG_CONFIG_ANT_A, MASKDWORD, 0x00080000);
odm_set_bb_reg(dm, REG_CONFIG_ANT_A, MASKDWORD, 0x0f600000);
odm_set_bb_reg(dm, REG_RX_IQK, MASKDWORD, 0x01004800);
odm_set_bb_reg(dm, REG_RX_IQK_TONE_A, MASKDWORD, 0x10008c1f);
if (dm->support_ic_type & ODM_RTL8723B) {
odm_set_bb_reg(dm, REG_TX_IQK_PI_A, MASKDWORD, 0x82150016);
odm_set_bb_reg(dm, REG_RX_IQK_PI_A, MASKDWORD, 0x28150016);
}
odm_set_bb_reg(dm, REG_IQK_AGC_RSP, MASKDWORD, 0x001028d0);
odm_set_bb_reg(dm, REG_OFDM_0_XA_AGC_CORE1, 0x7f, initial_gain);
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/* @IQK Single tone start */
odm_set_bb_reg(dm, REG_FPGA0_IQK, 0xffffff00, 0x808000);
odm_set_bb_reg(dm, REG_IQK_AGC_PTS, MASKDWORD, 0xf9000000);
odm_set_bb_reg(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(dm, 14, initial_gain);
if (PSD_report_tmp > ant_a_report)
ant_a_report = PSD_report_tmp;
}
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/* @change to Antenna B */
if (dm->support_ic_type & ODM_RTL8723B) {
odm_set_bb_reg(dm, REG_S0_S1_PATH_SWITCH, 0xfff, 0x280);
odm_set_bb_reg(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(dm, 14, initial_gain);
if (PSD_report_tmp > ant_b_report)
ant_b_report = PSD_report_tmp;
}
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/* @Close IQK Single Tone function */
odm_set_bb_reg(dm, REG_FPGA0_IQK, 0xffffff00, 0x000000);
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/* @1 Return to antanna A */
if (dm->support_ic_type & ODM_RTL8723B) {
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/* @external DPDT */
odm_set_bb_reg(dm, REG_DPDT_CONTROL, MASKDWORD, reg92c);
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/* @internal S0/S1 */
odm_set_bb_reg(dm, REG_S0_S1_PATH_SWITCH, MASKDWORD, reg948);
odm_set_bb_reg(dm, REG_AGC_TABLE_SELECT, MASKDWORD, regb2c);
odm_set_bb_reg(dm, rfe_ctrl_anta_src, MASKDWORD, reg930);
odm_set_mac_reg(dm, REG_SYM_WLBT_PAPE_SEL, BIT(29), reg064);
}
odm_set_bb_reg(dm, REG_FPGA0_ANALOG_PARAMETER4, MASKDWORD, reg88c);
odm_set_bb_reg(dm, REG_OFDM_0_TR_MUX_PAR, MASKDWORD, regc08);
odm_set_bb_reg(dm, REG_FPGA0_XCD_RF_INTERFACE_SW, MASKDWORD, reg874);
odm_set_bb_reg(dm, REG_OFDM_0_XA_AGC_CORE1, 0x7F, 0x40);
odm_set_bb_reg(dm, REG_OFDM_0_XA_AGC_CORE1, MASKDWORD, regc50);
odm_set_rf_reg(dm, RF_PATH_A, RF_CHNLBW, RFREGOFFSETMASK, current_channel);
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odm_set_rf_reg(dm, RF_PATH_A, RF_0x00, RFREGOFFSETMASK, rf_loop_reg);
/* Reload AFE Registers */
if (dm->support_ic_type & ODM_RTL8723B)
odm_set_bb_reg(dm, REG_RX_WAIT_CCA, MASKDWORD, afe_rrx_wait_cca);
if (dm->support_ic_type & ODM_RTL8723B) {
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PHYDM_DBG(dm, DBG_ANT_DIV, "psd_report_A[%d]= %d\n", 2416,
ant_a_report);
PHYDM_DBG(dm, DBG_ANT_DIV, "psd_report_B[%d]= %d\n", 2416,
ant_b_report);
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/* @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)) {
dm_swat_table->ANTA_ON = true;
dm_swat_table->ANTB_ON = true;
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PHYDM_DBG(dm, DBG_ANT_DIV, "%s: Dual Antenna\n",
__func__);
} else if (((ant_a_report - ant_b_report >= TH1) && (ant_a_report - ant_b_report <= TH2)) ||
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((ant_b_report - ant_a_report >= TH1) && (ant_b_report - ant_a_report <= TH2))) {
dm_swat_table->ANTA_ON = false;
dm_swat_table->ANTB_ON = false;
is_result = false;
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PHYDM_DBG(dm, DBG_ANT_DIV,
"%s: Need to check again\n",
__func__);
} else {
dm_swat_table->ANTA_ON = true;
dm_swat_table->ANTB_ON = false;
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PHYDM_DBG(dm, DBG_ANT_DIV,
"%s: Single Antenna\n", __func__);
}
dm->ant_detected_info.is_ant_detected = true;
dm->ant_detected_info.db_for_ant_a = ant_a_report;
dm->ant_detected_info.db_for_ant_b = ant_b_report;
dm->ant_detected_info.db_for_ant_o = ant_0_report;
} else {
PHYDM_DBG(dm, DBG_ANT_DIV, "return false!!\n");
is_result = false;
}
}
return is_result;
}
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/* @1 [2. Scan AP RSSI method] ================================================== */
boolean
odm_sw_ant_div_check_before_link(
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void *dm_void)
{
#if (RT_MEM_SIZE_LEVEL != RT_MEM_SIZE_MINIMUM)
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struct dm_struct *dm = (struct dm_struct *)dm_void;
void *adapter = dm->adapter;
HAL_DATA_TYPE *hal_data = GET_HAL_DATA(((PADAPTER)adapter));
//PMGNT_INFO mgnt_info = &adapter->MgntInfo;
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PMGNT_INFO mgnt_info = &(((PADAPTER)(adapter))->MgntInfo);
struct sw_antenna_switch *dm_swat_table = &dm->dm_swat_table;
struct phydm_fat_struct *fat_tab = &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(dm, DBG_ANT_DIV, "ANTA_ON = (( %d )) , ANTB_ON = (( %d ))\n",
dm->dm_swat_table.ANTA_ON, dm->dm_swat_table.ANTB_ON);
/* @if(HP id) */
{
if (dm->dm_swat_table.rssi_ant_dect_result == true && dm->support_ic_type == ODM_RTL8723B) {
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PHYDM_DBG(dm, DBG_ANT_DIV,
"8723B RSSI-based Antenna Detection is done\n");
return false;
}
if (dm->support_ic_type == ODM_RTL8723B) {
if (dm_swat_table->swas_no_link_bk_reg948 == 0xff)
dm_swat_table->swas_no_link_bk_reg948 = odm_read_4byte(dm, REG_S0_S1_PATH_SWITCH);
}
}
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if (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(((PADAPTER)adapter)))
return false;
else
PHYDM_DBG(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(dm, RT_RF_STATE_SPINLOCK);
if (hal_data->eRFPowerState != eRfOn || mgnt_info->RFChangeInProgress || mgnt_info->bMediaConnect) {
odm_release_spin_lock(dm, RT_RF_STATE_SPINLOCK);
PHYDM_DBG(dm, DBG_ANT_DIV,
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"%s: rf_change_in_progress(%x), e_rf_power_state(%x)\n",
__func__, mgnt_info->RFChangeInProgress,
hal_data->eRFPowerState);
dm_swat_table->swas_no_link_state = 0;
return false;
} else
odm_release_spin_lock(dm, RT_RF_STATE_SPINLOCK);
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PHYDM_DBG(dm, DBG_ANT_DIV, "dm_swat_table->swas_no_link_state = %d\n",
dm_swat_table->swas_no_link_state);
/* @1 Run AntDiv mechanism "Before Link" part. */
if (dm_swat_table->swas_no_link_state == 0) {
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/* @1 Prepare to do Scan again to check current antenna state. */
/* Set check state to next step. */
dm_swat_table->swas_no_link_state = 1;
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/* @Copy Current Scan list. */
mgnt_info->tmpNumBssDesc = mgnt_info->NumBssDesc;
PlatformMoveMemory((void *)mgnt_info->tmpbssDesc, (void *)mgnt_info->bssDesc, sizeof(RT_WLAN_BSS) * MAX_BSS_DESC);
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/* @Go back to scan function again. */
PHYDM_DBG(dm, DBG_ANT_DIV, "%s: Scan one more time\n",
__func__);
mgnt_info->ScanStep = 0;
mgnt_info->bScanAntDetect = true;
scan_channel = odm_sw_ant_div_select_scan_chnl(adapter);
if (dm->support_ic_type & (ODM_RTL8188E | ODM_RTL8821)) {
if (fat_tab->rx_idle_ant == MAIN_ANT)
odm_update_rx_idle_ant(dm, AUX_ANT);
else
odm_update_rx_idle_ant(dm, MAIN_ANT);
if (scan_channel == 0) {
PHYDM_DBG(dm, DBG_ANT_DIV,
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"%s: No AP List Avaiable, Using ant(%s)\n",
__func__,
(fat_tab->rx_idle_ant == MAIN_ANT) ?
"AUX_ANT" : "MAIN_ANT");
if (IS_5G_WIRELESS_MODE(mgnt_info->dot11CurrentWirelessMode)) {
dm_swat_table->ant_5g = fat_tab->rx_idle_ant;
PHYDM_DBG(dm, DBG_ANT_DIV, "dm_swat_table->ant_5g=%s\n", (fat_tab->rx_idle_ant == MAIN_ANT) ? "MAIN_ANT" : "AUX_ANT");
} else {
dm_swat_table->ant_2g = fat_tab->rx_idle_ant;
PHYDM_DBG(dm, DBG_ANT_DIV, "dm_swat_table->ant_2g=%s\n", (fat_tab->rx_idle_ant == MAIN_ANT) ? "MAIN_ANT" : "AUX_ANT");
}
return false;
}
PHYDM_DBG(dm, DBG_ANT_DIV,
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"%s: Change to %s for testing.\n", __func__,
((fat_tab->rx_idle_ant == MAIN_ANT) ?
"MAIN_ANT" : "AUX_ANT"));
} else if (dm->support_ic_type & (ODM_RTL8723B)) {
/*Switch Antenna to another one.*/
tmp_swas_no_link_bk_reg948 = odm_read_4byte(dm, REG_S0_S1_PATH_SWITCH);
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if (dm_swat_table->cur_antenna == MAIN_ANT && tmp_swas_no_link_bk_reg948 == 0x200) {
odm_set_bb_reg(dm, REG_S0_S1_PATH_SWITCH, 0xfff, 0x280);
odm_set_bb_reg(dm, REG_AGC_TABLE_SELECT, BIT(31), 0x1);
dm_swat_table->cur_antenna = AUX_ANT;
} else {
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PHYDM_DBG(dm, DBG_ANT_DIV,
"Reg[948]= (( %x )) was in wrong state\n",
tmp_swas_no_link_bk_reg948);
return false;
}
ODM_delay_us(10);
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PHYDM_DBG(dm, DBG_ANT_DIV,
"%s: Change to (( %s-ant)) for testing.\n",
__func__,
(dm_swat_table->cur_antenna == MAIN_ANT) ?
"MAIN" : "AUX");
}
odm_sw_ant_div_construct_scan_chnl(adapter, scan_channel);
PlatformSetTimer(adapter, &mgnt_info->ScanTimer, 5);
return true;
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} else { /* @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. */
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PHYDM_DBG(dm, DBG_ANT_DIV, " tmp_num_bss_desc= (( %d ))\n",
mgnt_info->tmpNumBssDesc); /* @debug for Dino */
for (index = 0; index < mgnt_info->tmpNumBssDesc; index++) {
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p_tmp_bss_desc = &mgnt_info->tmpbssDesc[index]; /* @Antenna 1 */
p_test_bss_desc = &mgnt_info->bssDesc[index]; /* @Antenna 2 */
if (PlatformCompareMemory(p_test_bss_desc->bdBssIdBuf, p_tmp_bss_desc->bdBssIdBuf, 6) != 0) {
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PHYDM_DBG(dm, DBG_ANT_DIV,
"%s: ERROR!! This shall not happen.\n",
__func__);
continue;
}
if (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) {
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PHYDM_DBG(dm, DBG_ANT_DIV, "%s: Compare scan entry: score++\n", __func__);
RT_PRINT_STR(COMP_SCAN, DBG_WARNING, "GetScanInfo(): new Bss SSID:", p_tmp_bss_desc->bdSsIdBuf, p_tmp_bss_desc->bdSsIdLen);
PHYDM_DBG(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) {
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PHYDM_DBG(dm, DBG_ANT_DIV, "%s: Compare scan entry: score--\n", __func__);
RT_PRINT_STR(COMP_SCAN, DBG_WARNING, "GetScanInfo(): new Bss SSID:", p_tmp_bss_desc->bdSsIdBuf, p_tmp_bss_desc->bdSsIdLen);
PHYDM_DBG(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(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(dm, DBG_ANT_DIV, "The 2nd Antenna didn't get this AP\n\n");
}
}
}
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} else { /* @8723B */
if (p_tmp_bss_desc->ChannelNumber == scan_channel) {
PHYDM_DBG(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(dm, DBG_ANT_DIV, "Original: %d, Test: %d\n", p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower);
PHYDM_PRINT_ADDR(dm, DBG_ANT_DIV, "SSID:", p_tmp_bss_desc->bdSsIdBuf);
PHYDM_PRINT_ADDR(dm, DBG_ANT_DIV, "BSSID:", p_tmp_bss_desc->bdSsIdBuf);
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#if 0
/* PHYDM_DBG(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); */
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#endif
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;
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#if 0
/* PHYDM_DBG(dm,DBG_ANT_DIV, "max_power_diff: (( %d)),min_power_diff: (( %d))\n",max_power_diff,min_power_diff); */
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#endif
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(dm, DBG_ANT_DIV, "Original: %d, Test: %d\n", p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower);
PHYDM_PRINT_ADDR(dm, DBG_ANT_DIV, "SSID:", p_tmp_bss_desc->bdSsIdBuf);
PHYDM_PRINT_ADDR(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(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(dm, DBG_ANT_DIV, "Original: %d, Test: %d\n", p_tmp_bss_desc->RecvSignalPower, p_test_bss_desc->RecvSignalPower);
PHYDM_PRINT_ADDR(dm, DBG_ANT_DIV, "SSID:", p_tmp_bss_desc->bdSsIdBuf);
PHYDM_PRINT_ADDR(dm, DBG_ANT_DIV, "BSSID:", p_tmp_bss_desc->bdSsIdBuf);
min_power_diff = 0;
}
} else
PHYDM_DBG(dm, DBG_ANT_DIV, "[Error !!!]: Time_diff: %lld\n", (p_test_bss_desc->bdTstamp - p_tmp_bss_desc->bdTstamp) / 1000);
}
}
}
}
if (dm->support_ic_type & (ODM_RTL8188E | ODM_RTL8821)) {
if (mgnt_info->NumBssDesc != 0 && score < 0) {
PHYDM_DBG(dm, DBG_ANT_DIV,
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"%s: Using ant(%s)\n", __func__,
(fat_tab->rx_idle_ant == MAIN_ANT) ?
"MAIN_ANT" : "AUX_ANT");
} else {
PHYDM_DBG(dm, DBG_ANT_DIV,
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"%s: Remain ant(%s)\n", __func__,
(fat_tab->rx_idle_ant == MAIN_ANT) ?
"AUX_ANT" : "MAIN_ANT");
if (fat_tab->rx_idle_ant == MAIN_ANT)
odm_update_rx_idle_ant(dm, AUX_ANT);
else
odm_update_rx_idle_ant(dm, MAIN_ANT);
}
if (IS_5G_WIRELESS_MODE(mgnt_info->dot11CurrentWirelessMode)) {
dm_swat_table->ant_5g = fat_tab->rx_idle_ant;
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PHYDM_DBG(dm, DBG_ANT_DIV,
"dm_swat_table->ant_5g=%s\n",
(fat_tab->rx_idle_ant == MAIN_ANT) ?
"MAIN_ANT" : "AUX_ANT");
} else {
dm_swat_table->ant_2g = fat_tab->rx_idle_ant;
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PHYDM_DBG(dm, DBG_ANT_DIV,
"dm_swat_table->ant_2g=%s\n",
(fat_tab->rx_idle_ant == MAIN_ANT) ?
"MAIN_ANT" : "AUX_ANT");
}
} else if (dm->support_ic_type == ODM_RTL8723B) {
if (counter == 0) {
if (dm->dm_swat_table.pre_aux_fail_detec == false) {
dm->dm_swat_table.pre_aux_fail_detec = true;
dm->dm_swat_table.rssi_ant_dect_result = false;
PHYDM_DBG(dm, DBG_ANT_DIV, "counter=(( 0 )) , [[ Cannot find any AP with Aux-ant ]] -> Scan Target-channel again\n");
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/* @3 [ Scan again ] */
odm_sw_ant_div_construct_scan_chnl(adapter, scan_channel);
PlatformSetTimer(adapter, &mgnt_info->ScanTimer, 5);
return true;
} else { /* pre_aux_fail_detec == true */
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/* @2 [ Single Antenna ] */
dm->dm_swat_table.pre_aux_fail_detec = false;
dm->dm_swat_table.rssi_ant_dect_result = true;
PHYDM_DBG(dm, DBG_ANT_DIV, "counter=(( 0 )) , [[ Still cannot find any AP ]]\n");
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PHYDM_DBG(dm, DBG_ANT_DIV, "%s: Single antenna\n", __func__);
}
dm->dm_swat_table.aux_fail_detec_counter++;
} else {
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(dm, DBG_ANT_DIV, "counter: (( %d )) , power_diff: (( %d ))\n", counter, power_diff);
PHYDM_DBG(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(dm, DBG_ANT_DIV, "counter: (( %d )) , power_diff: (( %d ))\n", counter, power_diff);
PHYDM_DBG(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);
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} else { /* @counter==1,2 */
avg_power_diff = power_diff / counter;
PHYDM_DBG(dm, DBG_ANT_DIV, "avg_power_diff: (( %d )) , counter: (( %d )) , power_diff: (( %d ))\n", avg_power_diff, counter, power_diff);
}
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/* @2 [ Retry ] */
if (avg_power_diff >= power_target_L && avg_power_diff <= power_target_H) {
dm->dm_swat_table.retry_counter++;
if (dm->dm_swat_table.retry_counter <= 3) {
dm->dm_swat_table.rssi_ant_dect_result = false;
PHYDM_DBG(dm, DBG_ANT_DIV, "[[ Low confidence result ]] avg_power_diff= (( %d )) -> Scan Target-channel again ]]\n", avg_power_diff);
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/* @3 [ Scan again ] */
odm_sw_ant_div_construct_scan_chnl(adapter, scan_channel);
PlatformSetTimer(adapter, &mgnt_info->ScanTimer, 5);
return true;
} else {
dm->dm_swat_table.rssi_ant_dect_result = true;
PHYDM_DBG(dm, DBG_ANT_DIV, "[[ Still Low confidence result ]] (( retry_counter > 3 ))\n");
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PHYDM_DBG(dm, DBG_ANT_DIV, "%s: Single antenna\n", __func__);
}
}
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/* @2 [ Dual Antenna ] */
else if ((mgnt_info->NumBssDesc != 0) && (avg_power_diff < power_target_L)) {
dm->dm_swat_table.rssi_ant_dect_result = true;
if (dm->dm_swat_table.ANTB_ON == false) {
dm->dm_swat_table.ANTA_ON = true;
dm->dm_swat_table.ANTB_ON = true;
}
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PHYDM_DBG(dm, DBG_ANT_DIV, "%s: Dual antenna\n", __func__);
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);
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/* @3 [ Init antenna diversity ] */
dm->support_ability |= ODM_BB_ANT_DIV;
odm_ant_div_init(dm);
}
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/* @2 [ Single Antenna ] */
else if (avg_power_diff > power_target_H) {
dm->dm_swat_table.rssi_ant_dect_result = true;
if (dm->dm_swat_table.ANTB_ON == true) {
dm->dm_swat_table.ANTA_ON = true;
dm->dm_swat_table.ANTB_ON = false;
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#if 0
/* @bt_set_bt_coex_ant_num(adapter, BT_COEX_ANT_TYPE_DETECTED, 1); */
#endif
}
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PHYDM_DBG(dm, DBG_ANT_DIV, "%s: Single antenna\n", __func__);
dm->dm_swat_table.single_ant_counter++;
}
}
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#if 0
/* PHYDM_DBG(dm,DBG_ANT_DIV, "is_result=(( %d ))\n",dm->dm_swat_table.rssi_ant_dect_result); */
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#endif
PHYDM_DBG(dm, DBG_ANT_DIV,
"dual_ant_counter = (( %d )), single_ant_counter = (( %d )) , retry_counter = (( %d )) , aux_fail_detec_counter = (( %d ))\n\n\n",
dm->dm_swat_table.dual_ant_counter,
dm->dm_swat_table.single_ant_counter,
dm->dm_swat_table.retry_counter,
dm->dm_swat_table.aux_fail_detec_counter);
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/* @2 recover the antenna setting */
if (dm->dm_swat_table.ANTB_ON == false)
odm_set_bb_reg(dm, REG_S0_S1_PATH_SWITCH, 0xfff, (dm_swat_table->swas_no_link_bk_reg948));
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PHYDM_DBG(dm, DBG_ANT_DIV,
"is_result=(( %d )), Recover Reg[948]= (( %x ))\n\n",
dm->dm_swat_table.rssi_ant_dect_result,
dm_swat_table->swas_no_link_bk_reg948);
}
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/* @Check state reset to default and wait for next time. */
dm_swat_table->swas_no_link_state = 0;
mgnt_info->bScanAntDetect = false;
return false;
}
#else
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return false;
#endif
return false;
}
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/* @1 [3. PSD method] ========================================================== */
void odm_single_dual_antenna_detection_psd(
void *dm_void)
{
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struct dm_struct *dm = (struct dm_struct *)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}; */
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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 (dm->support_ic_type != ODM_RTL8723B)
return;
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PHYDM_DBG(dm, DBG_ANT_DIV, "%s============>\n", __func__);
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/* @2 [ Backup Current RF/BB Settings ] */
channel_ori = odm_get_rf_reg(dm, RF_PATH_A, ODM_CHANNEL, RFREGOFFSETMASK);
reg948 = odm_get_bb_reg(dm, REG_S0_S1_PATH_SWITCH, MASKDWORD);
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regb2c = odm_get_bb_reg(dm, REG_AGC_TABLE_SELECT, MASKDWORD);
regc50 = odm_get_bb_reg(dm, REG_OFDM_0_XA_AGC_CORE1, MASKDWORD);
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regc14 = odm_get_bb_reg(dm, R_0xc14, MASKDWORD);
reg908 = odm_get_bb_reg(dm, R_0x908, MASKDWORD);
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/* @2 [ setting for doing PSD function (CH4)] */
odm_set_bb_reg(dm, REG_FPGA0_RFMOD, BIT(24), 0); /* @disable whole CCK block */
odm_write_1byte(dm, REG_TXPAUSE, 0xFF); /* Turn off TX -> Pause TX Queue */
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odm_set_bb_reg(dm, R_0xc14, MASKDWORD, 0x0); /* @[ Set IQK Matrix = 0 ] equivalent to [ Turn off CCA] */
/* PHYTXON while loop */
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odm_set_bb_reg(dm, R_0x908, MASKDWORD, 0x803);
while (odm_get_bb_reg(dm, R_0xdf4, BIT(6))) {
i++;
if (i > 1000000) {
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PHYDM_DBG(dm, DBG_ANT_DIV,
"Wait in %s() more than %d times!\n",
__FUNCTION__, i);
break;
}
}
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odm_set_bb_reg(dm, R_0xc50, 0x7f, initial_gain);
odm_set_rf_reg(dm, RF_PATH_A, ODM_CHANNEL, 0x7ff, 0x04); /* Set RF to CH4 & 40M */
odm_set_bb_reg(dm, REG_FPGA0_ANALOG_PARAMETER4, 0xf00000, 0xf); /* @3 wire Disable 88c[23:20]=0xf */
odm_set_bb_reg(dm, REG_FPGA0_PSD_FUNCTION, BIT(14) | BIT15, 0x0); /* 128 pt */ /* Set PSD 128 ptss */
ODM_delay_us(3000);
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/* @2 [ Doing PSD Function in (CH4)] */
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/* @Antenna A */
PHYDM_DBG(dm, DBG_ANT_DIV, "Switch to Main-ant (CH4)\n");
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odm_set_bb_reg(dm, R_0x948, 0xfff, 0x200);
ODM_delay_us(10);
PHYDM_DBG(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(dm, tone_idx_1[tone_idx], initial_gain);
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/* @if( PSD_report_temp>psd_report_main[tone_idx] ) */
psd_report_main[tone_idx] += PSD_report_temp;
}
}
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/* @Antenna B */
PHYDM_DBG(dm, DBG_ANT_DIV, "Switch to Aux-ant (CH4)\n");
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odm_set_bb_reg(dm, R_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(dm, tone_idx_1[tone_idx], initial_gain);
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/* @if( PSD_report_temp>psd_report_aux[tone_idx] ) */
psd_report_aux[tone_idx] += PSD_report_temp;
}
}
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/* @2 [ Doing PSD Function in (CH8)] */
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odm_set_bb_reg(dm, REG_FPGA0_ANALOG_PARAMETER4, 0xf00000, 0x0); /* @3 wire enable 88c[23:20]=0x0 */
ODM_delay_us(3000);
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odm_set_bb_reg(dm, R_0xc50, 0x7f, initial_gain);
odm_set_rf_reg(dm, RF_PATH_A, ODM_CHANNEL, 0x7ff, 0x04); /* Set RF to CH8 & 40M */
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odm_set_bb_reg(dm, REG_FPGA0_ANALOG_PARAMETER4, 0xf00000, 0xf); /* @3 wire Disable 88c[23:20]=0xf */
ODM_delay_us(3000);
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/* @Antenna A */
PHYDM_DBG(dm, DBG_ANT_DIV, "Switch to Main-ant (CH8)\n");
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odm_set_bb_reg(dm, R_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(dm, tone_idx_2[tone_idx], initial_gain);
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/* @if( PSD_report_temp>psd_report_main[tone_idx] ) */
psd_report_main[tone_lenth_1 + tone_idx] += PSD_report_temp;
}
}
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/* @Antenna B */
PHYDM_DBG(dm, DBG_ANT_DIV, "Switch to Aux-ant (CH8)\n");
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odm_set_bb_reg(dm, R_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(dm, tone_idx_2[tone_idx], initial_gain);
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/* @if( PSD_report_temp>psd_report_aux[tone_idx] ) */
psd_report_aux[tone_lenth_1 + tone_idx] += PSD_report_temp;
}
}
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/* @2 [ Calculate Result ] */
PHYDM_DBG(dm, DBG_ANT_DIV, "\nMain PSD Result: (ALL)\n");
for (tone_idx = 0; tone_idx < (tone_lenth_1 + tone_lenth_2); tone_idx++) {
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PHYDM_DBG(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];
}
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PHYDM_DBG(dm, DBG_ANT_DIV,
"--------------------------- \nTotal_Main= (( %d ))\n",
main_psd_result);
PHYDM_DBG(dm, DBG_ANT_DIV, "MAX_Main = (( %d ))\n",
max_psd_report_main);
PHYDM_DBG(dm, DBG_ANT_DIV, "\nAux PSD Result: (ALL)\n");
for (tone_idx = 0; tone_idx < (tone_lenth_1 + tone_lenth_2); tone_idx++) {
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PHYDM_DBG(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];
}
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PHYDM_DBG(dm, DBG_ANT_DIV,
"--------------------------- \nTotal_Aux= (( %d ))\n",
aux_psd_result);
PHYDM_DBG(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;
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PHYDM_DBG(dm, DBG_ANT_DIV,
"[ Main_result, Aux_result ] = [ %d , %d ], PSD_power_threshold=(( %d ))\n",
main_psd_result, aux_psd_result, PSD_power_threshold);
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/* @3 [ Dual Antenna ] */
if (aux_psd_result >= PSD_power_threshold) {
if (dm->dm_swat_table.ANTB_ON == false) {
dm->dm_swat_table.ANTA_ON = true;
dm->dm_swat_table.ANTB_ON = true;
}
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PHYDM_DBG(dm, DBG_ANT_DIV,
"odm_sw_ant_div_check_before_link(): Dual antenna\n");
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#if 0
/* set bt coexDM from 1ant coexDM to 2ant coexDM */
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/* @bt_set_bt_coex_ant_num(adapter, BT_COEX_ANT_TYPE_DETECTED, 2); */
#endif
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/* @Init antenna diversity */
dm->support_ability |= ODM_BB_ANT_DIV;
odm_ant_div_init(dm);
}
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/* @3 [ Single Antenna ] */
else {
if (dm->dm_swat_table.ANTB_ON == true) {
dm->dm_swat_table.ANTA_ON = true;
dm->dm_swat_table.ANTB_ON = false;
}
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PHYDM_DBG(dm, DBG_ANT_DIV,
"odm_sw_ant_div_check_before_link(): Single antenna\n");
}
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/* @2 [ Recover all parameters ] */
odm_set_rf_reg(dm, RF_PATH_A, RF_CHNLBW, RFREGOFFSETMASK, channel_ori);
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odm_set_bb_reg(dm, REG_FPGA0_ANALOG_PARAMETER4, 0xf00000, 0x0); /* @3 wire enable 88c[23:20]=0x0 */
odm_set_bb_reg(dm, R_0xc50, 0x7f, regc50);
odm_set_bb_reg(dm, REG_S0_S1_PATH_SWITCH, MASKDWORD, reg948);
odm_set_bb_reg(dm, REG_AGC_TABLE_SELECT, MASKDWORD, regb2c);
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odm_set_bb_reg(dm, REG_FPGA0_RFMOD, BIT(24), 1); /* @enable whole CCK block */
odm_write_1byte(dm, REG_TXPAUSE, 0x0); /* Turn on TX */ /* Resume TX Queue */
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odm_set_bb_reg(dm, R_0xc14, MASKDWORD, regc14); /* @[ Set IQK Matrix = 0 ] equivalent to [ Turn on CCA] */
odm_set_bb_reg(dm, R_0x908, MASKDWORD, reg908);
return;
}
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void odm_sw_ant_detect_init(void *dm_void)
{
#if (RTL8723B_SUPPORT == 1)
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struct dm_struct *dm = (struct dm_struct *)dm_void;
struct sw_antenna_switch *dm_swat_table = &dm->dm_swat_table;
if (dm->support_ic_type != ODM_RTL8723B)
return;
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/* @dm_swat_table->pre_antenna = MAIN_ANT; */
/* @dm_swat_table->cur_antenna = MAIN_ANT; */
dm_swat_table->swas_no_link_state = 0;
dm_swat_table->pre_aux_fail_detec = false;
dm_swat_table->swas_no_link_bk_reg948 = 0xff;
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#ifdef CONFIG_PSD_TOOL
phydm_psd_init(dm);
#endif
#endif
}
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#endif