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linux-zen-desktop/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c

1100 lines
32 KiB
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Initial commit
2023-08-30 17:31:07 +02:00
// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2009-2014 Realtek Corporation.*/
#include "../wifi.h"
#include "../base.h"
#include "../pci.h"
#include "../core.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
#include "dm.h"
#include "fw.h"
#include "trx.h"
static void rtl92ee_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
{
u32 ret_value;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct false_alarm_statistics *falsealm_cnt = &rtlpriv->falsealm_cnt;
rtl_set_bbreg(hw, DM_REG_OFDM_FA_HOLDC_11N, BIT(31), 1);
rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(31), 1);
ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE1_11N, MASKDWORD);
falsealm_cnt->cnt_fast_fsync_fail = (ret_value & 0xffff);
falsealm_cnt->cnt_sb_search_fail = ((ret_value & 0xffff0000) >> 16);
ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE2_11N, MASKDWORD);
falsealm_cnt->cnt_ofdm_cca = (ret_value & 0xffff);
falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE3_11N, MASKDWORD);
falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE4_11N, MASKDWORD);
falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
falsealm_cnt->cnt_rate_illegal +
falsealm_cnt->cnt_crc8_fail +
falsealm_cnt->cnt_mcs_fail +
falsealm_cnt->cnt_fast_fsync_fail +
falsealm_cnt->cnt_sb_search_fail;
ret_value = rtl_get_bbreg(hw, DM_REG_SC_CNT_11N, MASKDWORD);
falsealm_cnt->cnt_bw_lsc = (ret_value & 0xffff);
falsealm_cnt->cnt_bw_usc = ((ret_value & 0xffff0000) >> 16);
rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(12), 1);
rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(14), 1);
ret_value = rtl_get_bbreg(hw, DM_REG_CCK_FA_LSB_11N, MASKBYTE0);
falsealm_cnt->cnt_cck_fail = ret_value;
ret_value = rtl_get_bbreg(hw, DM_REG_CCK_FA_MSB_11N, MASKBYTE3);
falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;
ret_value = rtl_get_bbreg(hw, DM_REG_CCK_CCA_CNT_11N, MASKDWORD);
falsealm_cnt->cnt_cck_cca = ((ret_value & 0xff) << 8) |
((ret_value & 0xFF00) >> 8);
falsealm_cnt->cnt_all = falsealm_cnt->cnt_fast_fsync_fail +
falsealm_cnt->cnt_sb_search_fail +
falsealm_cnt->cnt_parity_fail +
falsealm_cnt->cnt_rate_illegal +
falsealm_cnt->cnt_crc8_fail +
falsealm_cnt->cnt_mcs_fail +
falsealm_cnt->cnt_cck_fail;
falsealm_cnt->cnt_cca_all = falsealm_cnt->cnt_ofdm_cca +
falsealm_cnt->cnt_cck_cca;
/*reset false alarm counter registers*/
rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTC_11N, BIT(31), 1);
rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTC_11N, BIT(31), 0);
rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(27), 1);
rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(27), 0);
/*update ofdm counter*/
rtl_set_bbreg(hw, DM_REG_OFDM_FA_HOLDC_11N, BIT(31), 0);
rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(31), 0);
/*reset CCK CCA counter*/
rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(13) | BIT(12), 0);
rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(13) | BIT(12), 2);
/*reset CCK FA counter*/
rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(15) | BIT(14), 0);
rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(15) | BIT(14), 2);
rtl_dbg(rtlpriv, COMP_DIG, DBG_TRACE,
"cnt_parity_fail = %d, cnt_rate_illegal = %d, cnt_crc8_fail = %d, cnt_mcs_fail = %d\n",
falsealm_cnt->cnt_parity_fail,
falsealm_cnt->cnt_rate_illegal,
falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail);
rtl_dbg(rtlpriv, COMP_DIG, DBG_TRACE,
"cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n",
falsealm_cnt->cnt_ofdm_fail,
falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all);
}
static void rtl92ee_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_dig = &rtlpriv->dm_digtable;
u8 cur_cck_cca_thresh;
if (rtlpriv->mac80211.link_state >= MAC80211_LINKED) {
if (dm_dig->rssi_val_min > 25) {
cur_cck_cca_thresh = 0xcd;
} else if ((dm_dig->rssi_val_min <= 25) &&
(dm_dig->rssi_val_min > 10)) {
cur_cck_cca_thresh = 0x83;
} else {
if (rtlpriv->falsealm_cnt.cnt_cck_fail > 1000)
cur_cck_cca_thresh = 0x83;
else
cur_cck_cca_thresh = 0x40;
}
} else {
if (rtlpriv->falsealm_cnt.cnt_cck_fail > 1000)
cur_cck_cca_thresh = 0x83;
else
cur_cck_cca_thresh = 0x40;
}
rtl92ee_dm_write_cck_cca_thres(hw, cur_cck_cca_thresh);
}
static void rtl92ee_dm_dig(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct dig_t *dm_dig = &rtlpriv->dm_digtable;
u8 dig_min_0, dig_maxofmin;
bool bfirstconnect , bfirstdisconnect;
u8 dm_dig_max, dm_dig_min;
u8 current_igi = dm_dig->cur_igvalue;
u8 offset;
/* AP,BT */
if (mac->act_scanning)
return;
dig_min_0 = dm_dig->dig_min_0;
bfirstconnect = (mac->link_state >= MAC80211_LINKED) &&
!dm_dig->media_connect_0;
bfirstdisconnect = (mac->link_state < MAC80211_LINKED) &&
dm_dig->media_connect_0;
dm_dig_max = 0x5a;
dm_dig_min = DM_DIG_MIN;
dig_maxofmin = DM_DIG_MAX_AP;
if (mac->link_state >= MAC80211_LINKED) {
if ((dm_dig->rssi_val_min + 10) > dm_dig_max)
dm_dig->rx_gain_max = dm_dig_max;
else if ((dm_dig->rssi_val_min + 10) < dm_dig_min)
dm_dig->rx_gain_max = dm_dig_min;
else
dm_dig->rx_gain_max = dm_dig->rssi_val_min + 10;
if (rtlpriv->dm.one_entry_only) {
offset = 0;
if (dm_dig->rssi_val_min - offset < dm_dig_min)
dig_min_0 = dm_dig_min;
else if (dm_dig->rssi_val_min - offset >
dig_maxofmin)
dig_min_0 = dig_maxofmin;
else
dig_min_0 = dm_dig->rssi_val_min - offset;
} else {
dig_min_0 = dm_dig_min;
}
} else {
dm_dig->rx_gain_max = dm_dig_max;
dig_min_0 = dm_dig_min;
rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD, "no link\n");
}
if (rtlpriv->falsealm_cnt.cnt_all > 10000) {
if (dm_dig->large_fa_hit != 3)
dm_dig->large_fa_hit++;
if (dm_dig->forbidden_igi < current_igi) {
dm_dig->forbidden_igi = current_igi;
dm_dig->large_fa_hit = 1;
}
if (dm_dig->large_fa_hit >= 3) {
if (dm_dig->forbidden_igi + 1 > dm_dig->rx_gain_max)
dm_dig->rx_gain_min =
dm_dig->rx_gain_max;
else
dm_dig->rx_gain_min =
dm_dig->forbidden_igi + 1;
dm_dig->recover_cnt = 3600;
}
} else {
if (dm_dig->recover_cnt != 0) {
dm_dig->recover_cnt--;
} else {
if (dm_dig->large_fa_hit < 3) {
if ((dm_dig->forbidden_igi - 1) <
dig_min_0) {
dm_dig->forbidden_igi = dig_min_0;
dm_dig->rx_gain_min =
dig_min_0;
} else {
dm_dig->forbidden_igi--;
dm_dig->rx_gain_min =
dm_dig->forbidden_igi + 1;
}
} else {
dm_dig->large_fa_hit = 0;
}
}
}
if (rtlpriv->dm.dbginfo.num_qry_beacon_pkt < 5)
dm_dig->rx_gain_min = dm_dig_min;
if (dm_dig->rx_gain_min > dm_dig->rx_gain_max)
dm_dig->rx_gain_min = dm_dig->rx_gain_max;
if (mac->link_state >= MAC80211_LINKED) {
if (bfirstconnect) {
if (dm_dig->rssi_val_min <= dig_maxofmin)
current_igi = dm_dig->rssi_val_min;
else
current_igi = dig_maxofmin;
dm_dig->large_fa_hit = 0;
} else {
if (rtlpriv->falsealm_cnt.cnt_all > DM_DIG_FA_TH2)
current_igi += 4;
else if (rtlpriv->falsealm_cnt.cnt_all > DM_DIG_FA_TH1)
current_igi += 2;
else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
current_igi -= 2;
if (rtlpriv->dm.dbginfo.num_qry_beacon_pkt < 5 &&
rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
current_igi = dm_dig->rx_gain_min;
}
} else {
if (bfirstdisconnect) {
current_igi = dm_dig->rx_gain_min;
} else {
if (rtlpriv->falsealm_cnt.cnt_all > 10000)
current_igi += 4;
else if (rtlpriv->falsealm_cnt.cnt_all > 8000)
current_igi += 2;
else if (rtlpriv->falsealm_cnt.cnt_all < 500)
current_igi -= 2;
}
}
if (current_igi > dm_dig->rx_gain_max)
current_igi = dm_dig->rx_gain_max;
if (current_igi < dm_dig->rx_gain_min)
current_igi = dm_dig->rx_gain_min;
rtl92ee_dm_write_dig(hw , current_igi);
dm_dig->media_connect_0 = ((mac->link_state >= MAC80211_LINKED) ?
true : false);
dm_dig->dig_min_0 = dig_min_0;
}
void rtl92ee_dm_write_cck_cca_thres(struct ieee80211_hw *hw, u8 cur_thres)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_dig = &rtlpriv->dm_digtable;
if (dm_dig->cur_cck_cca_thres != cur_thres)
rtl_write_byte(rtlpriv, DM_REG_CCK_CCA_11N, cur_thres);
dm_dig->pre_cck_cca_thres = dm_dig->cur_cck_cca_thres;
dm_dig->cur_cck_cca_thres = cur_thres;
}
void rtl92ee_dm_write_dig(struct ieee80211_hw *hw, u8 current_igi)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_dig = &rtlpriv->dm_digtable;
if (dm_dig->stop_dig)
return;
if (dm_dig->cur_igvalue != current_igi) {
rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f, current_igi);
if (rtlpriv->phy.rf_type != RF_1T1R)
rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f, current_igi);
}
dm_dig->pre_igvalue = dm_dig->cur_igvalue;
dm_dig->cur_igvalue = current_igi;
}
static void rtl92ee_rssi_dump_to_register(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtl_write_byte(rtlpriv, RA_RSSIDUMP,
rtlpriv->stats.rx_rssi_percentage[0]);
rtl_write_byte(rtlpriv, RB_RSSIDUMP,
rtlpriv->stats.rx_rssi_percentage[1]);
/*It seems the following values are not initialized.
*According to Windows code,
*these value will only be valid with JAGUAR chips
*/
/* Rx EVM */
rtl_write_byte(rtlpriv, RS1_RXEVMDUMP, rtlpriv->stats.rx_evm_dbm[0]);
rtl_write_byte(rtlpriv, RS2_RXEVMDUMP, rtlpriv->stats.rx_evm_dbm[1]);
/* Rx SNR */
rtl_write_byte(rtlpriv, RA_RXSNRDUMP,
(u8)(rtlpriv->stats.rx_snr_db[0]));
rtl_write_byte(rtlpriv, RB_RXSNRDUMP,
(u8)(rtlpriv->stats.rx_snr_db[1]));
/* Rx Cfo_Short */
rtl_write_word(rtlpriv, RA_CFOSHORTDUMP,
rtlpriv->stats.rx_cfo_short[0]);
rtl_write_word(rtlpriv, RB_CFOSHORTDUMP,
rtlpriv->stats.rx_cfo_short[1]);
/* Rx Cfo_Tail */
rtl_write_word(rtlpriv, RA_CFOLONGDUMP, rtlpriv->stats.rx_cfo_tail[0]);
rtl_write_word(rtlpriv, RB_CFOLONGDUMP, rtlpriv->stats.rx_cfo_tail[1]);
}
static void rtl92ee_dm_find_minimum_rssi(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *rtl_dm_dig = &rtlpriv->dm_digtable;
struct rtl_mac *mac = rtl_mac(rtlpriv);
/* Determine the minimum RSSI */
if ((mac->link_state < MAC80211_LINKED) &&
(rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
rtl_dm_dig->min_undec_pwdb_for_dm = 0;
rtl_dbg(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
"Not connected to any\n");
}
if (mac->link_state >= MAC80211_LINKED) {
if (mac->opmode == NL80211_IFTYPE_AP ||
mac->opmode == NL80211_IFTYPE_ADHOC) {
rtl_dm_dig->min_undec_pwdb_for_dm =
rtlpriv->dm.entry_min_undec_sm_pwdb;
rtl_dbg(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
"AP Client PWDB = 0x%lx\n",
rtlpriv->dm.entry_min_undec_sm_pwdb);
} else {
rtl_dm_dig->min_undec_pwdb_for_dm =
rtlpriv->dm.undec_sm_pwdb;
rtl_dbg(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
"STA Default Port PWDB = 0x%x\n",
rtl_dm_dig->min_undec_pwdb_for_dm);
}
} else {
rtl_dm_dig->min_undec_pwdb_for_dm =
rtlpriv->dm.entry_min_undec_sm_pwdb;
rtl_dbg(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
"AP Ext Port or disconnect PWDB = 0x%x\n",
rtl_dm_dig->min_undec_pwdb_for_dm);
}
rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD,
"MinUndecoratedPWDBForDM =%d\n",
rtl_dm_dig->min_undec_pwdb_for_dm);
}
static void rtl92ee_dm_check_rssi_monitor(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_dig = &rtlpriv->dm_digtable;
struct rtl_mac *mac = rtl_mac(rtlpriv);
struct rtl_dm *dm = rtl_dm(rtlpriv);
struct rtl_sta_info *drv_priv;
u8 h2c[4] = { 0 };
long max = 0, min = 0xff;
u8 i = 0;
if (mac->opmode == NL80211_IFTYPE_AP ||
mac->opmode == NL80211_IFTYPE_ADHOC ||
mac->opmode == NL80211_IFTYPE_MESH_POINT) {
/* AP & ADHOC & MESH */
spin_lock_bh(&rtlpriv->locks.entry_list_lock);
list_for_each_entry(drv_priv, &rtlpriv->entry_list, list) {
struct rssi_sta *stat = &drv_priv->rssi_stat;
if (stat->undec_sm_pwdb < min)
min = stat->undec_sm_pwdb;
if (stat->undec_sm_pwdb > max)
max = stat->undec_sm_pwdb;
h2c[3] = 0;
h2c[2] = (u8)(dm->undec_sm_pwdb & 0xFF);
h2c[1] = 0x20;
h2c[0] = ++i;
rtl92ee_fill_h2c_cmd(hw, H2C_92E_RSSI_REPORT, 4, h2c);
}
spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
/* If associated entry is found */
if (max != 0) {
dm->entry_max_undec_sm_pwdb = max;
RTPRINT(rtlpriv, FDM, DM_PWDB,
"EntryMaxPWDB = 0x%lx(%ld)\n", max, max);
} else {
dm->entry_max_undec_sm_pwdb = 0;
}
/* If associated entry is found */
if (min != 0xff) {
dm->entry_min_undec_sm_pwdb = min;
RTPRINT(rtlpriv, FDM, DM_PWDB,
"EntryMinPWDB = 0x%lx(%ld)\n", min, min);
} else {
dm->entry_min_undec_sm_pwdb = 0;
}
}
/* Indicate Rx signal strength to FW. */
if (dm->useramask) {
h2c[3] = 0;
h2c[2] = (u8)(dm->undec_sm_pwdb & 0xFF);
h2c[1] = 0x20;
h2c[0] = 0;
rtl92ee_fill_h2c_cmd(hw, H2C_92E_RSSI_REPORT, 4, h2c);
} else {
rtl_write_byte(rtlpriv, 0x4fe, dm->undec_sm_pwdb);
}
rtl92ee_rssi_dump_to_register(hw);
rtl92ee_dm_find_minimum_rssi(hw);
dm_dig->rssi_val_min = rtlpriv->dm_digtable.min_undec_pwdb_for_dm;
}
static void rtl92ee_dm_init_primary_cca_check(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
struct dynamic_primary_cca *primarycca = &rtlpriv->primarycca;
rtlhal->rts_en = 0;
primarycca->dup_rts_flag = 0;
primarycca->intf_flag = 0;
primarycca->intf_type = 0;
primarycca->monitor_flag = 0;
primarycca->ch_offset = 0;
primarycca->mf_state = 0;
}
static bool rtl92ee_dm_is_edca_turbo_disable(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
if (rtlpriv->mac80211.mode == WIRELESS_MODE_B)
return true;
return false;
}
void rtl92ee_dm_init_edca_turbo(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtlpriv->dm.current_turbo_edca = false;
rtlpriv->dm.is_cur_rdlstate = false;
rtlpriv->dm.is_any_nonbepkts = false;
}
static void rtl92ee_dm_check_edca_turbo(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
static u64 last_txok_cnt;
static u64 last_rxok_cnt;
u64 cur_txok_cnt = 0;
u64 cur_rxok_cnt = 0;
u32 edca_be_ul = 0x5ea42b;
u32 edca_be_dl = 0x5ea42b; /*not sure*/
u32 edca_be = 0x5ea42b;
bool is_cur_rdlstate;
bool b_edca_turbo_on = false;
if (rtlpriv->dm.dbginfo.num_non_be_pkt > 0x100)
rtlpriv->dm.is_any_nonbepkts = true;
rtlpriv->dm.dbginfo.num_non_be_pkt = 0;
cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
/*b_bias_on_rx = false;*/
b_edca_turbo_on = ((!rtlpriv->dm.is_any_nonbepkts) &&
(!rtlpriv->dm.disable_framebursting)) ?
true : false;
if (rtl92ee_dm_is_edca_turbo_disable(hw))
goto check_exit;
if (b_edca_turbo_on) {
is_cur_rdlstate = (cur_rxok_cnt > cur_txok_cnt * 4) ?
true : false;
edca_be = is_cur_rdlstate ? edca_be_dl : edca_be_ul;
rtl_write_dword(rtlpriv , REG_EDCA_BE_PARAM , edca_be);
rtlpriv->dm.is_cur_rdlstate = is_cur_rdlstate;
rtlpriv->dm.current_turbo_edca = true;
} else {
if (rtlpriv->dm.current_turbo_edca) {
u8 tmp = AC0_BE;
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
(u8 *)(&tmp));
}
rtlpriv->dm.current_turbo_edca = false;
}
check_exit:
rtlpriv->dm.is_any_nonbepkts = false;
last_txok_cnt = rtlpriv->stats.txbytesunicast;
last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
}
static void rtl92ee_dm_dynamic_edcca(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 reg_c50 , reg_c58;
bool fw_current_in_ps_mode = false;
rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
(u8 *)(&fw_current_in_ps_mode));
if (fw_current_in_ps_mode)
return;
reg_c50 = rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1, MASKBYTE0);
reg_c58 = rtl_get_bbreg(hw, ROFDM0_XBAGCCORE1, MASKBYTE0);
if (reg_c50 > 0x28 && reg_c58 > 0x28) {
if (!rtlpriv->rtlhal.pre_edcca_enable) {
rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD, 0x03);
rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD + 2, 0x00);
rtlpriv->rtlhal.pre_edcca_enable = true;
}
} else if (reg_c50 < 0x25 && reg_c58 < 0x25) {
if (rtlpriv->rtlhal.pre_edcca_enable) {
rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD, 0x7f);
rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD + 2, 0x7f);
rtlpriv->rtlhal.pre_edcca_enable = false;
}
}
}
static void rtl92ee_dm_adaptivity(struct ieee80211_hw *hw)
{
rtl92ee_dm_dynamic_edcca(hw);
}
static void rtl92ee_dm_write_dynamic_cca(struct ieee80211_hw *hw,
u8 cur_mf_state)
{
struct dynamic_primary_cca *primarycca = &rtl_priv(hw)->primarycca;
if (primarycca->mf_state != cur_mf_state)
rtl_set_bbreg(hw, DM_REG_L1SBD_PD_CH_11N, BIT(8) | BIT(7),
cur_mf_state);
primarycca->mf_state = cur_mf_state;
}
static void rtl92ee_dm_dynamic_primary_cca_ckeck(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct false_alarm_statistics *falsealm_cnt = &rtlpriv->falsealm_cnt;
struct dynamic_primary_cca *primarycca = &rtlpriv->primarycca;
bool is40mhz = false;
u64 ofdm_cca, ofdm_fa, bw_usc_cnt, bw_lsc_cnt;
u8 sec_ch_offset;
u8 cur_mf_state;
static u8 count_down = MONITOR_TIME;
ofdm_cca = falsealm_cnt->cnt_ofdm_cca;
ofdm_fa = falsealm_cnt->cnt_ofdm_fail;
bw_usc_cnt = falsealm_cnt->cnt_bw_usc;
bw_lsc_cnt = falsealm_cnt->cnt_bw_lsc;
is40mhz = rtlpriv->mac80211.bw_40;
sec_ch_offset = rtlpriv->mac80211.cur_40_prime_sc;
/* NIC: 2: sec is below, 1: sec is above */
if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) {
cur_mf_state = MF_USC_LSC;
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
return;
}
if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
return;
if (is40mhz)
return;
if (primarycca->pricca_flag == 0) {
/* Primary channel is above
* NOTE: duplicate CTS can remove this condition
*/
if (sec_ch_offset == 2) {
if ((ofdm_cca > OFDMCCA_TH) &&
(bw_lsc_cnt > (bw_usc_cnt + BW_IND_BIAS)) &&
(ofdm_fa > (ofdm_cca >> 1))) {
primarycca->intf_type = 1;
primarycca->intf_flag = 1;
cur_mf_state = MF_USC;
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
primarycca->pricca_flag = 1;
} else if ((ofdm_cca > OFDMCCA_TH) &&
(bw_lsc_cnt > (bw_usc_cnt + BW_IND_BIAS)) &&
(ofdm_fa < (ofdm_cca >> 1))) {
primarycca->intf_type = 2;
primarycca->intf_flag = 1;
cur_mf_state = MF_USC;
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
primarycca->pricca_flag = 1;
primarycca->dup_rts_flag = 1;
rtlpriv->rtlhal.rts_en = 1;
} else {
primarycca->intf_type = 0;
primarycca->intf_flag = 0;
cur_mf_state = MF_USC_LSC;
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
rtlpriv->rtlhal.rts_en = 0;
primarycca->dup_rts_flag = 0;
}
} else if (sec_ch_offset == 1) {
if ((ofdm_cca > OFDMCCA_TH) &&
(bw_usc_cnt > (bw_lsc_cnt + BW_IND_BIAS)) &&
(ofdm_fa > (ofdm_cca >> 1))) {
primarycca->intf_type = 1;
primarycca->intf_flag = 1;
cur_mf_state = MF_LSC;
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
primarycca->pricca_flag = 1;
} else if ((ofdm_cca > OFDMCCA_TH) &&
(bw_usc_cnt > (bw_lsc_cnt + BW_IND_BIAS)) &&
(ofdm_fa < (ofdm_cca >> 1))) {
primarycca->intf_type = 2;
primarycca->intf_flag = 1;
cur_mf_state = MF_LSC;
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
primarycca->pricca_flag = 1;
primarycca->dup_rts_flag = 1;
rtlpriv->rtlhal.rts_en = 1;
} else {
primarycca->intf_type = 0;
primarycca->intf_flag = 0;
cur_mf_state = MF_USC_LSC;
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
rtlpriv->rtlhal.rts_en = 0;
primarycca->dup_rts_flag = 0;
}
}
} else {/* PrimaryCCA->PriCCA_flag==1 */
count_down--;
if (count_down == 0) {
count_down = MONITOR_TIME;
primarycca->pricca_flag = 0;
cur_mf_state = MF_USC_LSC;
/* default */
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
rtlpriv->rtlhal.rts_en = 0;
primarycca->dup_rts_flag = 0;
primarycca->intf_type = 0;
primarycca->intf_flag = 0;
}
}
}
static void rtl92ee_dm_dynamic_atc_switch(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
u8 crystal_cap;
u32 packet_count;
int cfo_khz_a , cfo_khz_b , cfo_ave = 0, adjust_xtal = 0;
int cfo_ave_diff;
if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
if (rtldm->atc_status == ATC_STATUS_OFF) {
rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11),
ATC_STATUS_ON);
rtldm->atc_status = ATC_STATUS_ON;
}
/* Disable CFO tracking for BT */
if (rtlpriv->cfg->ops->get_btc_status()) {
if (!rtlpriv->btcoexist.btc_ops->
btc_is_bt_disabled(rtlpriv)) {
rtl_dbg(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"odm_DynamicATCSwitch(): Disable CFO tracking for BT!!\n");
return;
}
}
/* Reset Crystal Cap */
if (rtldm->crystal_cap != rtlpriv->efuse.crystalcap) {
rtldm->crystal_cap = rtlpriv->efuse.crystalcap;
crystal_cap = rtldm->crystal_cap & 0x3f;
rtl_set_bbreg(hw, REG_MAC_PHY_CTRL, 0xFFF000,
(crystal_cap | (crystal_cap << 6)));
}
} else {
cfo_khz_a = (int)(rtldm->cfo_tail[0] * 3125) / 1280;
cfo_khz_b = (int)(rtldm->cfo_tail[1] * 3125) / 1280;
packet_count = rtldm->packet_count;
if (packet_count == rtldm->packet_count_pre)
return;
rtldm->packet_count_pre = packet_count;
if (rtlpriv->phy.rf_type == RF_1T1R)
cfo_ave = cfo_khz_a;
else
cfo_ave = (int)(cfo_khz_a + cfo_khz_b) >> 1;
cfo_ave_diff = (rtldm->cfo_ave_pre >= cfo_ave) ?
(rtldm->cfo_ave_pre - cfo_ave) :
(cfo_ave - rtldm->cfo_ave_pre);
if (cfo_ave_diff > 20 && !rtldm->large_cfo_hit) {
rtldm->large_cfo_hit = true;
return;
}
rtldm->large_cfo_hit = false;
rtldm->cfo_ave_pre = cfo_ave;
if (cfo_ave >= -rtldm->cfo_threshold &&
cfo_ave <= rtldm->cfo_threshold && rtldm->is_freeze == 0) {
if (rtldm->cfo_threshold == CFO_THRESHOLD_XTAL) {
rtldm->cfo_threshold = CFO_THRESHOLD_XTAL + 10;
rtldm->is_freeze = 1;
} else {
rtldm->cfo_threshold = CFO_THRESHOLD_XTAL;
}
}
if (cfo_ave > rtldm->cfo_threshold && rtldm->crystal_cap < 0x3f)
adjust_xtal = ((cfo_ave - CFO_THRESHOLD_XTAL) >> 2) + 1;
else if ((cfo_ave < -rtlpriv->dm.cfo_threshold) &&
rtlpriv->dm.crystal_cap > 0)
adjust_xtal = ((cfo_ave + CFO_THRESHOLD_XTAL) >> 2) - 1;
if (adjust_xtal != 0) {
rtldm->is_freeze = 0;
rtldm->crystal_cap += adjust_xtal;
if (rtldm->crystal_cap > 0x3f)
rtldm->crystal_cap = 0x3f;
else if (rtldm->crystal_cap < 0)
rtldm->crystal_cap = 0;
crystal_cap = rtldm->crystal_cap & 0x3f;
rtl_set_bbreg(hw, REG_MAC_PHY_CTRL, 0xFFF000,
(crystal_cap | (crystal_cap << 6)));
}
if (cfo_ave < CFO_THRESHOLD_ATC &&
cfo_ave > -CFO_THRESHOLD_ATC) {
if (rtldm->atc_status == ATC_STATUS_ON) {
rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11),
ATC_STATUS_OFF);
rtldm->atc_status = ATC_STATUS_OFF;
}
} else {
if (rtldm->atc_status == ATC_STATUS_OFF) {
rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11),
ATC_STATUS_ON);
rtldm->atc_status = ATC_STATUS_ON;
}
}
}
}
static void rtl92ee_dm_init_txpower_tracking(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_dm *dm = rtl_dm(rtlpriv);
u8 path;
dm->txpower_tracking = true;
dm->default_ofdm_index = 30;
dm->default_cck_index = 20;
dm->swing_idx_cck_base = dm->default_cck_index;
dm->cck_index = dm->default_cck_index;
for (path = RF90_PATH_A; path < MAX_RF_PATH; path++) {
dm->swing_idx_ofdm_base[path] = dm->default_ofdm_index;
dm->ofdm_index[path] = dm->default_ofdm_index;
dm->delta_power_index[path] = 0;
dm->delta_power_index_last[path] = 0;
dm->power_index_offset[path] = 0;
}
}
void rtl92ee_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rate_adaptive *p_ra = &rtlpriv->ra;
p_ra->ratr_state = DM_RATR_STA_INIT;
p_ra->pre_ratr_state = DM_RATR_STA_INIT;
if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
rtlpriv->dm.useramask = true;
else
rtlpriv->dm.useramask = false;
p_ra->ldpc_thres = 35;
p_ra->use_ldpc = false;
p_ra->high_rssi_thresh_for_ra = 50;
p_ra->low_rssi_thresh_for_ra40m = 20;
}
static bool _rtl92ee_dm_ra_state_check(struct ieee80211_hw *hw,
s32 rssi, u8 *ratr_state)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rate_adaptive *p_ra = &rtlpriv->ra;
const u8 go_up_gap = 5;
u32 high_rssithresh_for_ra = p_ra->high_rssi_thresh_for_ra;
u32 low_rssithresh_for_ra = p_ra->low_rssi_thresh_for_ra40m;
u8 state;
/* Threshold Adjustment:
* when RSSI state trends to go up one or two levels,
* make sure RSSI is high enough.
* Here GoUpGap is added to solve
* the boundary's level alternation issue.
*/
switch (*ratr_state) {
case DM_RATR_STA_INIT:
case DM_RATR_STA_HIGH:
break;
case DM_RATR_STA_MIDDLE:
high_rssithresh_for_ra += go_up_gap;
break;
case DM_RATR_STA_LOW:
high_rssithresh_for_ra += go_up_gap;
low_rssithresh_for_ra += go_up_gap;
break;
default:
rtl_dbg(rtlpriv, COMP_RATR, DBG_DMESG,
"wrong rssi level setting %d !\n", *ratr_state);
break;
}
/* Decide RATRState by RSSI. */
if (rssi > high_rssithresh_for_ra)
state = DM_RATR_STA_HIGH;
else if (rssi > low_rssithresh_for_ra)
state = DM_RATR_STA_MIDDLE;
else
state = DM_RATR_STA_LOW;
if (*ratr_state != state) {
*ratr_state = state;
return true;
}
return false;
}
static void rtl92ee_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rate_adaptive *p_ra = &rtlpriv->ra;
struct ieee80211_sta *sta = NULL;
if (is_hal_stop(rtlhal)) {
rtl_dbg(rtlpriv, COMP_RATE, DBG_LOUD,
"driver is going to unload\n");
return;
}
if (!rtlpriv->dm.useramask) {
rtl_dbg(rtlpriv, COMP_RATE, DBG_LOUD,
"driver does not control rate adaptive mask\n");
return;
}
if (mac->link_state == MAC80211_LINKED &&
mac->opmode == NL80211_IFTYPE_STATION) {
if (rtlpriv->dm.undec_sm_pwdb < p_ra->ldpc_thres) {
p_ra->use_ldpc = true;
p_ra->lower_rts_rate = true;
} else if (rtlpriv->dm.undec_sm_pwdb >
(p_ra->ldpc_thres - 5)) {
p_ra->use_ldpc = false;
p_ra->lower_rts_rate = false;
}
if (_rtl92ee_dm_ra_state_check(hw, rtlpriv->dm.undec_sm_pwdb,
&p_ra->ratr_state)) {
rcu_read_lock();
sta = rtl_find_sta(hw, mac->bssid);
if (sta)
rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
p_ra->ratr_state,
true);
rcu_read_unlock();
p_ra->pre_ratr_state = p_ra->ratr_state;
}
}
}
static void rtl92ee_dm_init_dynamic_atc_switch(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtlpriv->dm.crystal_cap = rtlpriv->efuse.crystalcap;
rtlpriv->dm.atc_status = rtl_get_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11));
rtlpriv->dm.cfo_threshold = CFO_THRESHOLD_XTAL;
}
void rtl92ee_dm_init(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u32 cur_igvalue = rtl_get_bbreg(hw, DM_REG_IGI_A_11N, DM_BIT_IGI_11N);
rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
rtl_dm_diginit(hw, cur_igvalue);
rtl92ee_dm_init_rate_adaptive_mask(hw);
rtl92ee_dm_init_primary_cca_check(hw);
rtl92ee_dm_init_edca_turbo(hw);
rtl92ee_dm_init_txpower_tracking(hw);
rtl92ee_dm_init_dynamic_atc_switch(hw);
}
static void rtl92ee_dm_common_info_self_update(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_sta_info *drv_priv;
u8 cnt = 0;
rtlpriv->dm.one_entry_only = false;
if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_STATION &&
rtlpriv->mac80211.link_state >= MAC80211_LINKED) {
rtlpriv->dm.one_entry_only = true;
return;
}
if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP ||
rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC ||
rtlpriv->mac80211.opmode == NL80211_IFTYPE_MESH_POINT) {
spin_lock_bh(&rtlpriv->locks.entry_list_lock);
list_for_each_entry(drv_priv, &rtlpriv->entry_list, list) {
cnt++;
}
spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
if (cnt == 1)
rtlpriv->dm.one_entry_only = true;
}
}
void rtl92ee_dm_dynamic_arfb_select(struct ieee80211_hw *hw,
u8 rate, bool collision_state)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
if (rate >= DESC92C_RATEMCS8 && rate <= DESC92C_RATEMCS12) {
if (collision_state == 1) {
if (rate == DESC92C_RATEMCS12) {
rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x07060501);
} else if (rate == DESC92C_RATEMCS11) {
rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x07070605);
} else if (rate == DESC92C_RATEMCS10) {
rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x08080706);
} else if (rate == DESC92C_RATEMCS9) {
rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x08080707);
} else {
rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x09090808);
}
} else { /* collision_state == 0 */
if (rate == DESC92C_RATEMCS12) {
rtl_write_dword(rtlpriv, REG_DARFRC,
0x05010000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x09080706);
} else if (rate == DESC92C_RATEMCS11) {
rtl_write_dword(rtlpriv, REG_DARFRC,
0x06050000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x09080807);
} else if (rate == DESC92C_RATEMCS10) {
rtl_write_dword(rtlpriv, REG_DARFRC,
0x07060000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x0a090908);
} else if (rate == DESC92C_RATEMCS9) {
rtl_write_dword(rtlpriv, REG_DARFRC,
0x07070000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x0a090808);
} else {
rtl_write_dword(rtlpriv, REG_DARFRC,
0x08080000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x0b0a0909);
}
}
} else { /* MCS13~MCS15, 1SS, G-mode */
if (collision_state == 1) {
if (rate == DESC92C_RATEMCS15) {
rtl_write_dword(rtlpriv, REG_DARFRC,
0x00000000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x05040302);
} else if (rate == DESC92C_RATEMCS14) {
rtl_write_dword(rtlpriv, REG_DARFRC,
0x00000000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x06050302);
} else if (rate == DESC92C_RATEMCS13) {
rtl_write_dword(rtlpriv, REG_DARFRC,
0x00000000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x07060502);
} else {
rtl_write_dword(rtlpriv, REG_DARFRC,
0x00000000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x06050402);
}
} else{ /* collision_state == 0 */
if (rate == DESC92C_RATEMCS15) {
rtl_write_dword(rtlpriv, REG_DARFRC,
0x03020000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x07060504);
} else if (rate == DESC92C_RATEMCS14) {
rtl_write_dword(rtlpriv, REG_DARFRC,
0x03020000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x08070605);
} else if (rate == DESC92C_RATEMCS13) {
rtl_write_dword(rtlpriv, REG_DARFRC,
0x05020000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x09080706);
} else {
rtl_write_dword(rtlpriv, REG_DARFRC,
0x04020000);
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
0x08070605);
}
}
}
}
void rtl92ee_dm_watchdog(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
bool fw_current_inpsmode = false;
bool fw_ps_awake = true;
rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
(u8 *)(&fw_current_inpsmode));
rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
(u8 *)(&fw_ps_awake));
if (ppsc->p2p_ps_info.p2p_ps_mode)
fw_ps_awake = false;
spin_lock(&rtlpriv->locks.rf_ps_lock);
if ((ppsc->rfpwr_state == ERFON) &&
((!fw_current_inpsmode) && fw_ps_awake) &&
(!ppsc->rfchange_inprogress)) {
rtl92ee_dm_common_info_self_update(hw);
rtl92ee_dm_false_alarm_counter_statistics(hw);
rtl92ee_dm_check_rssi_monitor(hw);
rtl92ee_dm_dig(hw);
rtl92ee_dm_adaptivity(hw);
rtl92ee_dm_cck_packet_detection_thresh(hw);
rtl92ee_dm_refresh_rate_adaptive_mask(hw);
rtl92ee_dm_check_edca_turbo(hw);
rtl92ee_dm_dynamic_atc_switch(hw);
rtl92ee_dm_dynamic_primary_cca_ckeck(hw);
}
spin_unlock(&rtlpriv->locks.rf_ps_lock);
}