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realtek-rtl8188eus-dkms/hal/phydm/phydm_dfs.c

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New upstream version 5.3.9~20191129
2019-12-17 16:14:15 +00:00
/******************************************************************************
*
* 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"
#if defined(CONFIG_PHYDM_DFS_MASTER)
boolean phydm_dfs_is_meteorology_channel(void *dm_void){
struct dm_struct *dm = (struct dm_struct *)dm_void;
u8 c_channel = *dm->channel;
u8 band_width = *dm->band_width;
return ( (band_width == CHANNEL_WIDTH_80 && (c_channel) >= 116 && (c_channel) <= 128) ||
(band_width == CHANNEL_WIDTH_40 && (c_channel) >= 116 && (c_channel) <= 128) ||
(band_width == CHANNEL_WIDTH_20 && (c_channel) >= 120 && (c_channel) <= 128) );
}
void phydm_radar_detect_reset(void *dm_void)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
odm_set_bb_reg(dm, 0x924, BIT(15), 0);
odm_set_bb_reg(dm, 0x924, BIT(15), 1);
}
void phydm_radar_detect_disable(void *dm_void)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
odm_set_bb_reg(dm, 0x924, BIT(15), 0);
PHYDM_DBG(dm, DBG_DFS, "\n");
}
static void phydm_radar_detect_with_dbg_parm(void *dm_void)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
odm_set_bb_reg(dm, 0x918, MASKDWORD, dm->radar_detect_reg_918);
odm_set_bb_reg(dm, 0x91c, MASKDWORD, dm->radar_detect_reg_91c);
odm_set_bb_reg(dm, 0x920, MASKDWORD, dm->radar_detect_reg_920);
odm_set_bb_reg(dm, 0x924, MASKDWORD, dm->radar_detect_reg_924);
}
/* Init radar detection parameters, called after ch, bw is set */
void phydm_radar_detect_enable(void *dm_void)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct _DFS_STATISTICS *dfs = (struct _DFS_STATISTICS *)phydm_get_structure(dm, PHYDM_DFS);
u8 region_domain = dm->dfs_region_domain;
u8 c_channel = *dm->channel;
u8 band_width = *dm->band_width;
u8 enable = 0;
PHYDM_DBG(dm, DBG_DFS, "test, region_domain = %d\n", region_domain);
if (region_domain == PHYDM_DFS_DOMAIN_UNKNOWN) {
PHYDM_DBG(dm, DBG_DFS, "PHYDM_DFS_DOMAIN_UNKNOWN\n");
goto exit;
}
if (dm->support_ic_type & (ODM_RTL8821 | ODM_RTL8812 | ODM_RTL8881A)) {
odm_set_bb_reg(dm, 0x814, 0x3fffffff, 0x04cc4d10);
odm_set_bb_reg(dm, 0x834, MASKBYTE0, 0x06);
if (dm->radar_detect_dbg_parm_en) {
phydm_radar_detect_with_dbg_parm(dm);
enable = 1;
goto exit;
}
if (region_domain == PHYDM_DFS_DOMAIN_ETSI) {
odm_set_bb_reg(dm, 0x918, MASKDWORD, 0x1c17ecdf);
odm_set_bb_reg(dm, 0x924, MASKDWORD, 0x01528500);
odm_set_bb_reg(dm, 0x91c, MASKDWORD, 0x0fa21a20);
odm_set_bb_reg(dm, 0x920, MASKDWORD, 0xe0f69204);
} else if (region_domain == PHYDM_DFS_DOMAIN_MKK) {
odm_set_bb_reg(dm, 0x924, MASKDWORD, 0x01528500);
odm_set_bb_reg(dm, 0x920, MASKDWORD, 0xe0d67234);
if (c_channel >= 52 && c_channel <= 64) {
odm_set_bb_reg(dm, 0x918, MASKDWORD, 0x1c16ecdf);
odm_set_bb_reg(dm, 0x91c, MASKDWORD, 0x0f141a20);
} else {
odm_set_bb_reg(dm, 0x918, MASKDWORD, 0x1c16acdf);
if (band_width == CHANNEL_WIDTH_20)
odm_set_bb_reg(dm, 0x91c, MASKDWORD, 0x64721a20);
else
odm_set_bb_reg(dm, 0x91c, MASKDWORD, 0x68721a20);
}
} else if (region_domain == PHYDM_DFS_DOMAIN_FCC) {
odm_set_bb_reg(dm, 0x918, MASKDWORD, 0x1c16acdf);
odm_set_bb_reg(dm, 0x924, MASKDWORD, 0x01528500);
odm_set_bb_reg(dm, 0x920, MASKDWORD, 0xe0d67231);
if (band_width == CHANNEL_WIDTH_20)
odm_set_bb_reg(dm, 0x91c, MASKDWORD, 0x64741a20);
else
odm_set_bb_reg(dm, 0x91c, MASKDWORD, 0x68741a20);
} else {
/* not supported */
PHYDM_DBG(dm, DBG_DFS, "Unsupported dfs_region_domain:%d\n", region_domain);
goto exit;
}
} else if (dm->support_ic_type & (ODM_RTL8814A | ODM_RTL8822B | ODM_RTL8821C)) {
odm_set_bb_reg(dm, 0x814, 0x3fffffff, 0x04cc4d10);
odm_set_bb_reg(dm, 0x834, MASKBYTE0, 0x06);
/* 8822B only, when BW = 20M, DFIR output is 40Mhz, but DFS input is 80MMHz, so it need to upgrade to 80MHz */
if (dm->support_ic_type & (ODM_RTL8822B | ODM_RTL8821C)) {
if (band_width == CHANNEL_WIDTH_20)
odm_set_bb_reg(dm, 0x1984, BIT(26), 1);
else
odm_set_bb_reg(dm, 0x1984, BIT(26), 0);
}
if (dm->radar_detect_dbg_parm_en) {
phydm_radar_detect_with_dbg_parm(dm);
enable = 1;
goto exit;
}
if (region_domain == PHYDM_DFS_DOMAIN_ETSI) {
odm_set_bb_reg(dm, 0x918, MASKDWORD, 0x1c16acdf);
odm_set_bb_reg(dm, 0x924, MASKDWORD, 0x095a8500);
odm_set_bb_reg(dm, 0x91c, MASKDWORD, 0x0fa21a20);
odm_set_bb_reg(dm, 0x920, MASKDWORD, 0xe0f57204);
} else if (region_domain == PHYDM_DFS_DOMAIN_MKK) {
odm_set_bb_reg(dm, 0x924, MASKDWORD, 0x095a8500);
odm_set_bb_reg(dm, 0x920, MASKDWORD, 0xe0d67234);
if (c_channel >= 52 && c_channel <= 64) {
odm_set_bb_reg(dm, 0x918, MASKDWORD, 0x1c16ecdf);
odm_set_bb_reg(dm, 0x91c, MASKDWORD, 0x0f141a20);
} else {
odm_set_bb_reg(dm, 0x918, MASKDWORD, 0x1c166cdf);
if (band_width == CHANNEL_WIDTH_20)
odm_set_bb_reg(dm, 0x91c, MASKDWORD, 0x64721a20);
else
odm_set_bb_reg(dm, 0x91c, MASKDWORD, 0x68721a20);
}
} else if (region_domain == PHYDM_DFS_DOMAIN_FCC) {
odm_set_bb_reg(dm, 0x918, MASKDWORD, 0x1c166cdf);
odm_set_bb_reg(dm, 0x924, MASKDWORD, 0x095a8500);
odm_set_bb_reg(dm, 0x920, MASKDWORD, 0xe0d67231);
if (band_width == CHANNEL_WIDTH_20)
odm_set_bb_reg(dm, 0x91c, MASKDWORD, 0x64741a20);
else
odm_set_bb_reg(dm, 0x91c, MASKDWORD, 0x68741a20);
} else {
/* not supported */
PHYDM_DBG(dm, DBG_DFS, "Unsupported dfs_region_domain:%d\n", region_domain);
goto exit;
}
} else {
/* not supported IC type*/
PHYDM_DBG(dm, DBG_DFS, "Unsupported IC type:%d\n", dm->support_ic_type);
goto exit;
}
enable = 1;
dfs->st_l2h_cur = (u8)odm_get_bb_reg(dm, 0x91c, 0x000000ff);
dfs->pwdb_th = (u8)odm_get_bb_reg(dm, 0x918, 0x00001f00);
dfs->peak_th = (u8)odm_get_bb_reg(dm, 0x918, 0x00030000);
dfs->short_pulse_cnt_th = (u8)odm_get_bb_reg(dm, 0x920, 0x000f0000);
dfs->long_pulse_cnt_th = (u8)odm_get_bb_reg(dm, 0x920, 0x00f00000);
dfs->peak_window = (u8)odm_get_bb_reg(dm, 0x920, 0x00000300);
dfs->nb2wb_th = (u8)odm_get_bb_reg(dm, 0x920, 0x0000e000);
phydm_dfs_parameter_init(dm);
exit:
if (enable) {
phydm_radar_detect_reset(dm);
PHYDM_DBG(dm, DBG_DFS, "on cch:%u, bw:%u\n", c_channel, band_width);
} else
phydm_radar_detect_disable(dm);
}
void phydm_dfs_parameter_init(void *dm_void)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct _DFS_STATISTICS *dfs = (struct _DFS_STATISTICS *)phydm_get_structure(dm, PHYDM_DFS);
u8 i;
dfs->fa_mask_th = 30;
dfs->det_print = 1;
dfs->det_print2 = 0;
dfs->st_l2h_min = 0x20;
dfs->st_l2h_max = 0x4e;
dfs->pwdb_scalar_factor = 12;
dfs->pwdb_th = 8;
for (i = 0 ; i < 5 ; i++) {
dfs->pulse_flag_hist[i] = 0;
dfs->radar_det_mask_hist[i] = 0;
dfs->fa_inc_hist[i] = 0;
}
}
void phydm_dfs_dynamic_setting(
void *dm_void
){
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct _DFS_STATISTICS *dfs = (struct _DFS_STATISTICS *)phydm_get_structure(dm, PHYDM_DFS);
u8 peak_th_cur=0, short_pulse_cnt_th_cur=0, long_pulse_cnt_th_cur=0, three_peak_opt_cur=0, three_peak_th2_cur=0;
u8 peak_window_cur=0, nb2wb_th_cur=0;
u8 region_domain = dm->dfs_region_domain;
u8 c_channel = *dm->channel;
if (dm->rx_tp <= 2) {
dfs->idle_mode = 1;
if(dfs->force_TP_mode)
dfs->idle_mode = 0;
} else{
dfs->idle_mode = 0;
}
if ((dfs->idle_mode == 1)) { /*idle (no traffic)*/
peak_th_cur = 3;
short_pulse_cnt_th_cur = 6;
long_pulse_cnt_th_cur = 13;
peak_window_cur = 2;
nb2wb_th_cur = 6;
three_peak_opt_cur = 1;
three_peak_th2_cur = 2;
if (region_domain == PHYDM_DFS_DOMAIN_MKK) {
if ((c_channel >= 52) && (c_channel <= 64)) {
short_pulse_cnt_th_cur = 14;
long_pulse_cnt_th_cur = 15;
nb2wb_th_cur = 3;
three_peak_th2_cur = 0;
} else {
short_pulse_cnt_th_cur = 6;
nb2wb_th_cur = 3;
three_peak_th2_cur = 0;
long_pulse_cnt_th_cur = 10;
}
} else if (region_domain == PHYDM_DFS_DOMAIN_FCC) {
three_peak_th2_cur = 0;
} else if (region_domain == PHYDM_DFS_DOMAIN_ETSI) {
long_pulse_cnt_th_cur = 15;
if (phydm_dfs_is_meteorology_channel(dm)) {/*need to add check cac end condition*/
peak_th_cur = 2;
nb2wb_th_cur = 3;
three_peak_opt_cur = 1;
three_peak_th2_cur = 0;
short_pulse_cnt_th_cur = 7;
} else {
three_peak_opt_cur = 1;
three_peak_th2_cur = 0;
short_pulse_cnt_th_cur = 7;
nb2wb_th_cur = 3;
}
} else /*default: FCC*/
three_peak_th2_cur = 0;
} else { /*in service (with TP)*/
peak_th_cur = 2;
short_pulse_cnt_th_cur = 6;
long_pulse_cnt_th_cur = 9;
peak_window_cur = 2;
nb2wb_th_cur = 3;
three_peak_opt_cur = 1;
three_peak_th2_cur = 2;
if(region_domain == PHYDM_DFS_DOMAIN_MKK){
if ((c_channel >= 52) && (c_channel <= 64)) {
long_pulse_cnt_th_cur = 15;
short_pulse_cnt_th_cur = 5; /*for high duty cycle*/
three_peak_th2_cur = 0;
}
else {
three_peak_opt_cur = 0;
three_peak_th2_cur = 0;
long_pulse_cnt_th_cur = 8;
}
}
else if(region_domain == PHYDM_DFS_DOMAIN_FCC){
}
else if(region_domain == PHYDM_DFS_DOMAIN_ETSI){
long_pulse_cnt_th_cur = 15;
short_pulse_cnt_th_cur = 5;
three_peak_opt_cur = 0;
}
}
}
boolean
phydm_radar_detect_dm_check(
void *dm_void
){
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct _DFS_STATISTICS *dfs = (struct _DFS_STATISTICS *)phydm_get_structure(dm, PHYDM_DFS);
u8 region_domain = dm->dfs_region_domain, index = 0;
u16 i = 0, k = 0, fa_count_cur = 0, fa_count_inc = 0, total_fa_in_hist = 0, pre_post_now_acc_fa_in_hist = 0, max_fa_in_hist = 0, vht_crc_ok_cnt_cur = 0;
u16 vht_crc_ok_cnt_inc = 0, ht_crc_ok_cnt_cur = 0, ht_crc_ok_cnt_inc = 0, leg_crc_ok_cnt_cur = 0, leg_crc_ok_cnt_inc = 0;
u16 total_crc_ok_cnt_inc = 0, short_pulse_cnt_cur = 0, short_pulse_cnt_inc = 0, long_pulse_cnt_cur = 0, long_pulse_cnt_inc = 0, total_pulse_count_inc = 0;
u32 regf98_value = 0, reg918_value = 0, reg91c_value = 0, reg920_value = 0, reg924_value = 0;
boolean tri_short_pulse = 0, tri_long_pulse = 0, radar_type = 0, fault_flag_det = 0, fault_flag_psd = 0, fa_flag = 0, radar_detected = 0;
u8 st_l2h_new = 0, fa_mask_th = 0, sum = 0;
u8 c_channel = *dm->channel;
/*Get FA count during past 100ms*/
fa_count_cur = (u16)odm_get_bb_reg(dm, 0xf48, 0x0000ffff);
if (dfs->fa_count_pre == 0)
fa_count_inc = 0;
else if (fa_count_cur >= dfs->fa_count_pre)
fa_count_inc = fa_count_cur - dfs->fa_count_pre;
else
fa_count_inc = fa_count_cur;
dfs->fa_count_pre = fa_count_cur;
dfs->fa_inc_hist[dfs->mask_idx] = fa_count_inc;
for (i=0; i<5; i++) {
total_fa_in_hist = total_fa_in_hist + dfs->fa_inc_hist[i];
if (dfs->fa_inc_hist[i] > max_fa_in_hist)
max_fa_in_hist = dfs->fa_inc_hist[i];
}
if (dfs->mask_idx >= 2)
index = dfs->mask_idx - 2;
else
index = 5 + dfs->mask_idx - 2;
if (index == 0)
pre_post_now_acc_fa_in_hist = dfs->fa_inc_hist[index] + dfs->fa_inc_hist[index+1] + dfs->fa_inc_hist[4];
else if (index == 4)
pre_post_now_acc_fa_in_hist = dfs->fa_inc_hist[index] + dfs->fa_inc_hist[0] + dfs->fa_inc_hist[index-1];
else
pre_post_now_acc_fa_in_hist = dfs->fa_inc_hist[index] + dfs->fa_inc_hist[index+1] + dfs->fa_inc_hist[index-1];
/*Get VHT CRC32 ok count during past 100ms*/
vht_crc_ok_cnt_cur = (u16)odm_get_bb_reg(dm, 0xf0c, 0x00003fff);
if (vht_crc_ok_cnt_cur >= dfs->vht_crc_ok_cnt_pre)
vht_crc_ok_cnt_inc = vht_crc_ok_cnt_cur - dfs->vht_crc_ok_cnt_pre;
else
vht_crc_ok_cnt_inc = vht_crc_ok_cnt_cur;
dfs->vht_crc_ok_cnt_pre = vht_crc_ok_cnt_cur;
/*Get HT CRC32 ok count during past 100ms*/
ht_crc_ok_cnt_cur = (u16)odm_get_bb_reg(dm, 0xf10, 0x00003fff);
if (ht_crc_ok_cnt_cur >= dfs->ht_crc_ok_cnt_pre)
ht_crc_ok_cnt_inc = ht_crc_ok_cnt_cur - dfs->ht_crc_ok_cnt_pre;
else
ht_crc_ok_cnt_inc = ht_crc_ok_cnt_cur;
dfs->ht_crc_ok_cnt_pre = ht_crc_ok_cnt_cur;
/*Get Legacy CRC32 ok count during past 100ms*/
leg_crc_ok_cnt_cur = (u16)odm_get_bb_reg(dm, 0xf14, 0x00003fff);
if (leg_crc_ok_cnt_cur >= dfs->leg_crc_ok_cnt_pre)
leg_crc_ok_cnt_inc = leg_crc_ok_cnt_cur - dfs->leg_crc_ok_cnt_pre;
else
leg_crc_ok_cnt_inc = leg_crc_ok_cnt_cur;
dfs->leg_crc_ok_cnt_pre = leg_crc_ok_cnt_cur;
if ((vht_crc_ok_cnt_cur == 0x3fff) ||
(ht_crc_ok_cnt_cur == 0x3fff) ||
(leg_crc_ok_cnt_cur == 0x3fff)) {
odm_set_bb_reg(dm, 0xb58, BIT(0), 1);
odm_set_bb_reg(dm, 0xb58, BIT(0), 0);
}
total_crc_ok_cnt_inc = vht_crc_ok_cnt_inc + ht_crc_ok_cnt_inc + leg_crc_ok_cnt_inc;
/*Get short pulse count, need carefully handle the counter overflow*/
regf98_value = odm_get_bb_reg(dm, 0xf98, 0xffffffff);
short_pulse_cnt_cur = (u16)(regf98_value & 0x000000ff);
if (short_pulse_cnt_cur >= dfs->short_pulse_cnt_pre)
short_pulse_cnt_inc = short_pulse_cnt_cur - dfs->short_pulse_cnt_pre;
else
short_pulse_cnt_inc = short_pulse_cnt_cur;
dfs->short_pulse_cnt_pre = short_pulse_cnt_cur;
/*Get long pulse count, need carefully handle the counter overflow*/
long_pulse_cnt_cur = (u16)((regf98_value & 0x0000ff00) >> 8);
if (long_pulse_cnt_cur >= dfs->long_pulse_cnt_pre)
long_pulse_cnt_inc = long_pulse_cnt_cur - dfs->long_pulse_cnt_pre;
else
long_pulse_cnt_inc = long_pulse_cnt_cur;
dfs->long_pulse_cnt_pre = long_pulse_cnt_cur;
total_pulse_count_inc = short_pulse_cnt_inc + long_pulse_cnt_inc;
if (dfs->det_print){
PHYDM_DBG(dm, DBG_DFS, "=====================================================================\n");
PHYDM_DBG(dm, DBG_DFS, "Total_CRC_OK_cnt_inc[%d] VHT_CRC_ok_cnt_inc[%d] HT_CRC_ok_cnt_inc[%d] LEG_CRC_ok_cnt_inc[%d] FA_count_inc[%d]\n",
total_crc_ok_cnt_inc, vht_crc_ok_cnt_inc, ht_crc_ok_cnt_inc, leg_crc_ok_cnt_inc, fa_count_inc);
PHYDM_DBG(dm, DBG_DFS, "Init_Gain[%x] 0x91c[%x] 0xf98[%08x] short_pulse_cnt_inc[%d] long_pulse_cnt_inc[%d]\n",
dfs->igi_cur, dfs->st_l2h_cur, regf98_value, short_pulse_cnt_inc, long_pulse_cnt_inc);
PHYDM_DBG(dm, DBG_DFS, "Throughput: %dMbps\n", dm->rx_tp);
reg918_value = odm_get_bb_reg(dm, 0x918, 0xffffffff);
reg91c_value = odm_get_bb_reg(dm, 0x91c, 0xffffffff);
reg920_value = odm_get_bb_reg(dm, 0x920, 0xffffffff);
reg924_value = odm_get_bb_reg(dm, 0x924, 0xffffffff);
PHYDM_DBG(dm, DBG_DFS, "0x918[%08x] 0x91c[%08x] 0x920[%08x] 0x924[%08x]\n", reg918_value, reg91c_value, reg920_value, reg924_value);
PHYDM_DBG(dm, DBG_DFS, "dfs_regdomain = %d, dbg_mode = %d, idle_mode = %d\n", region_domain, dfs->dbg_mode, dfs->idle_mode);
}
tri_short_pulse = (regf98_value & BIT(17))? 1 : 0;
tri_long_pulse = (regf98_value & BIT(19))? 1 : 0;
if(tri_short_pulse)
radar_type = 0;
else if(tri_long_pulse)
radar_type = 1;
if (tri_short_pulse) {
odm_set_bb_reg(dm, 0x924, BIT(15), 0);
odm_set_bb_reg(dm, 0x924, BIT(15), 1);
}
if (tri_long_pulse) {
odm_set_bb_reg(dm, 0x924, BIT(15), 0);
odm_set_bb_reg(dm, 0x924, BIT(15), 1);
if (region_domain == PHYDM_DFS_DOMAIN_MKK) {
if ((c_channel >= 52) && (c_channel <= 64)) {
tri_long_pulse = 0;
}
}
if (region_domain == PHYDM_DFS_DOMAIN_ETSI) {
tri_long_pulse = 0;
}
}
st_l2h_new = dfs->st_l2h_cur;
dfs->pulse_flag_hist[dfs->mask_idx] = tri_short_pulse | tri_long_pulse;
/* PSD(not ready) */
fault_flag_det = 0;
fault_flag_psd = 0;
fa_flag = 0;
if(region_domain == PHYDM_DFS_DOMAIN_ETSI){
fa_mask_th = dfs->fa_mask_th + 20;
}
else{
fa_mask_th = dfs->fa_mask_th;
}
if (max_fa_in_hist >= fa_mask_th || total_fa_in_hist >= fa_mask_th || pre_post_now_acc_fa_in_hist >= fa_mask_th || (dfs->igi_cur >= 0x30)){
st_l2h_new = dfs->st_l2h_max;
dfs->radar_det_mask_hist[index] = 1;
if (dfs->pulse_flag_hist[index] == 1){
dfs->pulse_flag_hist[index] = 0;
if (dfs->det_print2){
PHYDM_DBG(dm, DBG_DFS, "Radar is masked : FA mask\n");
}
}
fa_flag = 1;
} else {
dfs->radar_det_mask_hist[index] = 0;
}
if (dfs->det_print) {
PHYDM_DBG(dm, DBG_DFS, "mask_idx: %d\n", dfs->mask_idx);
PHYDM_DBG(dm, DBG_DFS, "radar_det_mask_hist: ");
for (i=0; i<5; i++)
PHYDM_DBG(dm, DBG_DFS, "%d ", dfs->radar_det_mask_hist[i]);
PHYDM_DBG(dm, DBG_DFS, "pulse_flag_hist: ");
for (i=0; i<5; i++)
PHYDM_DBG(dm, DBG_DFS, "%d ", dfs->pulse_flag_hist[i]);
PHYDM_DBG(dm, DBG_DFS, "fa_inc_hist: ");
for (i=0; i<5; i++)
PHYDM_DBG(dm, DBG_DFS, "%d ", dfs->fa_inc_hist[i]);
PHYDM_DBG(dm, DBG_DFS,
"\nfa_mask_th: %d max_fa_in_hist: %d total_fa_in_hist: %d pre_post_now_acc_fa_in_hist: %d ", fa_mask_th, max_fa_in_hist, total_fa_in_hist, pre_post_now_acc_fa_in_hist);
}
sum = 0;
for (k=0; k<5; k++) {
if (dfs->radar_det_mask_hist[k] == 1)
sum++;
}
if (dfs->mask_hist_checked <= 5)
dfs->mask_hist_checked++;
if ((dfs->mask_hist_checked >= 5) && dfs->pulse_flag_hist[index])
{
if (sum <= 2)
{
radar_detected = 1 ;
PHYDM_DBG(dm, DBG_DFS, "Detected type %d radar signal!\n", radar_type);
}
else {
fault_flag_det = 1;
if (dfs->det_print2){
PHYDM_DBG(dm, DBG_DFS, "Radar is masked : mask_hist large than thd\n");
}
}
}
dfs->mask_idx++;
if (dfs->mask_idx == 5)
dfs->mask_idx = 0;
if ((fault_flag_det == 0) && (fault_flag_psd == 0) && (fa_flag ==0)) {
if (dfs->igi_cur < 0x30) {
st_l2h_new = dfs->st_l2h_min;
}
}
if ((st_l2h_new != dfs->st_l2h_cur)) {
if (st_l2h_new < dfs->st_l2h_min) {
dfs->st_l2h_cur = dfs->st_l2h_min;
}
else if (st_l2h_new > dfs->st_l2h_max)
dfs->st_l2h_cur = dfs->st_l2h_max;
else
dfs->st_l2h_cur = st_l2h_new;
odm_set_bb_reg(dm, 0x91c, 0xff, dfs->st_l2h_cur);
dfs->pwdb_th = ((int)dfs->st_l2h_cur - (int)dfs->igi_cur)/2 + dfs->pwdb_scalar_factor;
dfs->pwdb_th = MAX_2(dfs->pwdb_th, (int)dfs->pwdb_th); /*limit the pwdb value to absoulte lower bound 8*/
dfs->pwdb_th = MIN_2(dfs->pwdb_th, 0x1f); /*limit the pwdb value to absoulte upper bound 0x1f*/
odm_set_bb_reg(dm, 0x918, 0x00001f00, dfs->pwdb_th);
}
if (dfs->det_print) {
PHYDM_DBG(dm, DBG_DFS,
"fault_flag_det[%d], fault_flag_psd[%d], DFS_detected [%d]\n", fault_flag_det, fault_flag_psd, radar_detected);
}
return radar_detected;
}
boolean phydm_radar_detect(void *dm_void)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct _DFS_STATISTICS *dfs = (struct _DFS_STATISTICS *)phydm_get_structure(dm, PHYDM_DFS);
boolean enable_DFS = false;
boolean radar_detected = false;
dfs->igi_cur = (u8)odm_get_bb_reg(dm, 0xc50, 0x0000007f);
dfs->st_l2h_cur = (u8)odm_get_bb_reg(dm, 0x91c, 0x000000ff);
/* dynamic pwdb calibration */
if (dfs->igi_pre != dfs->igi_cur) {
dfs->pwdb_th = ((int)dfs->st_l2h_cur - (int)dfs->igi_cur)/2 + dfs->pwdb_scalar_factor;
dfs->pwdb_th = MAX_2(dfs->pwdb_th_cur, (int)dfs->pwdb_th); /* limit the pwdb value to absoulte lower bound 0xa */
dfs->pwdb_th = MIN_2(dfs->pwdb_th_cur, 0x1f); /* limit the pwdb value to absoulte upper bound 0x1f */
odm_set_bb_reg(dm, 0x918, 0x00001f00, dfs->pwdb_th);
}
dfs->igi_pre = dfs->igi_cur;
phydm_dfs_dynamic_setting(dm);
radar_detected = phydm_radar_detect_dm_check(dm);
if (odm_get_bb_reg(dm, 0x924, BIT(15)))
enable_DFS = true;
if (enable_DFS && radar_detected) {
PHYDM_DBG(dm, DBG_DFS, "Radar detect: enable_DFS:%d, radar_detected:%d\n", enable_DFS, radar_detected);
phydm_radar_detect_reset(dm);
if (dfs->dbg_mode == 1){
PHYDM_DBG(dm, DBG_DFS, "Radar is detected in DFS dbg mode.\n");
radar_detected = 0;
}
}
return enable_DFS && radar_detected;
}
void
phydm_dfs_debug(
void *dm_void,
u32 *const argv,
u32 *_used,
char *output,
u32 *_out_len
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
struct _DFS_STATISTICS *dfs = (struct _DFS_STATISTICS *)phydm_get_structure(dm, PHYDM_DFS);
u32 used = *_used;
u32 out_len = *_out_len;
dfs->dbg_mode = (boolean)argv[0];
dfs->force_TP_mode = (boolean)argv[1];
dfs->det_print = (boolean)argv[2];
dfs->det_print2 = (boolean)argv[3];
PDM_SNPF(out_len, used, output + used, out_len - used,
"dbg_mode: %d, force_TP_mode: %d, det_print: %d, det_print2: %d\n",
dfs->dbg_mode, dfs->force_TP_mode, dfs->det_print,
dfs->det_print2);
/*switch (argv[0]) {
case 1:
#if defined(CONFIG_PHYDM_DFS_MASTER)
set dbg parameters for radar detection instead of the default value
if (argv[1] == 1) {
dm->radar_detect_reg_918 = argv[2];
dm->radar_detect_reg_91c = argv[3];
dm->radar_detect_reg_920 = argv[4];
dm->radar_detect_reg_924 = argv[5];
dm->radar_detect_dbg_parm_en = 1;
PDM_SNPF((output + used, out_len - used, "Radar detection with dbg parameter\n"));
PDM_SNPF((output + used, out_len - used, "reg918:0x%08X\n", dm->radar_detect_reg_918));
PDM_SNPF((output + used, out_len - used, "reg91c:0x%08X\n", dm->radar_detect_reg_91c));
PDM_SNPF((output + used, out_len - used, "reg920:0x%08X\n", dm->radar_detect_reg_920));
PDM_SNPF((output + used, out_len - used, "reg924:0x%08X\n", dm->radar_detect_reg_924));
} else {
dm->radar_detect_dbg_parm_en = 0;
PDM_SNPF((output + used, out_len - used, "Radar detection with default parameter\n"));
}
phydm_radar_detect_enable(dm);
#endif defined(CONFIG_PHYDM_DFS_MASTER)
break;
default:
break;
}*/
}
#endif /* defined(CONFIG_PHYDM_DFS_MASTER) */
boolean
phydm_is_dfs_band(
void *dm_void
)
{
struct dm_struct *dm = (struct dm_struct *)dm_void;
if (((*dm->channel >= 52) && (*dm->channel <= 64)) ||
((*dm->channel >= 100) && (*dm->channel <= 140)))
return true;
else
return false;
}
boolean
phydm_dfs_master_enabled(
void *dm_void
)
{
#ifdef CONFIG_PHYDM_DFS_MASTER
struct dm_struct *dm = (struct dm_struct *)dm_void;
return *dm->dfs_master_enabled ? true : false;
#else
return false;
#endif
}