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tegrakernel/kernel/kernel-4.9/drivers/net/wireless/realtek/rtlwifi/rtl8723be/dm.c

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/******************************************************************************
*
* Copyright(c) 2009-2014 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 "../wifi.h"
#include "../base.h"
#include "../pci.h"
#include "../core.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
#include "dm.h"
#include "../rtl8723com/dm_common.h"
#include "fw.h"
#include "trx.h"
#include "../btcoexist/rtl_btc.h"
static const u32 ofdmswing_table[] = {
0x0b40002d, /* 0, -15.0dB */
0x0c000030, /* 1, -14.5dB */
0x0cc00033, /* 2, -14.0dB */
0x0d800036, /* 3, -13.5dB */
0x0e400039, /* 4, -13.0dB */
0x0f00003c, /* 5, -12.5dB */
0x10000040, /* 6, -12.0dB */
0x11000044, /* 7, -11.5dB */
0x12000048, /* 8, -11.0dB */
0x1300004c, /* 9, -10.5dB */
0x14400051, /* 10, -10.0dB */
0x15800056, /* 11, -9.5dB */
0x16c0005b, /* 12, -9.0dB */
0x18000060, /* 13, -8.5dB */
0x19800066, /* 14, -8.0dB */
0x1b00006c, /* 15, -7.5dB */
0x1c800072, /* 16, -7.0dB */
0x1e400079, /* 17, -6.5dB */
0x20000080, /* 18, -6.0dB */
0x22000088, /* 19, -5.5dB */
0x24000090, /* 20, -5.0dB */
0x26000098, /* 21, -4.5dB */
0x288000a2, /* 22, -4.0dB */
0x2ac000ab, /* 23, -3.5dB */
0x2d4000b5, /* 24, -3.0dB */
0x300000c0, /* 25, -2.5dB */
0x32c000cb, /* 26, -2.0dB */
0x35c000d7, /* 27, -1.5dB */
0x390000e4, /* 28, -1.0dB */
0x3c8000f2, /* 29, -0.5dB */
0x40000100, /* 30, +0dB */
0x43c0010f, /* 31, +0.5dB */
0x47c0011f, /* 32, +1.0dB */
0x4c000130, /* 33, +1.5dB */
0x50800142, /* 34, +2.0dB */
0x55400155, /* 35, +2.5dB */
0x5a400169, /* 36, +3.0dB */
0x5fc0017f, /* 37, +3.5dB */
0x65400195, /* 38, +4.0dB */
0x6b8001ae, /* 39, +4.5dB */
0x71c001c7, /* 40, +5.0dB */
0x788001e2, /* 41, +5.5dB */
0x7f8001fe /* 42, +6.0dB */
};
static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = {
{0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01}, /* 0, -16.0dB */
{0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01}, /* 1, -15.5dB */
{0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01}, /* 2, -15.0dB */
{0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01}, /* 3, -14.5dB */
{0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01}, /* 4, -14.0dB */
{0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01}, /* 5, -13.5dB */
{0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01}, /* 6, -13.0dB */
{0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01}, /* 7, -12.5dB */
{0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01}, /* 8, -12.0dB */
{0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01}, /* 9, -11.5dB */
{0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01}, /* 10, -11.0dB */
{0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01}, /* 11, -10.5dB */
{0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, /* 12, -10.0dB */
{0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, /* 13, -9.5dB */
{0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01}, /* 14, -9.0dB */
{0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02}, /* 15, -8.5dB */
{0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01}, /* 16, -8.0dB */
{0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02}, /* 17, -7.5dB */
{0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02}, /* 18, -7.0dB */
{0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02}, /* 19, -6.5dB */
{0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02}, /* 20, -6.0dB */
{0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02}, /* 21, -5.5dB */
{0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02}, /* 22, -5.0dB */
{0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02}, /* 23, -4.5dB */
{0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02}, /* 24, -4.0dB */
{0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03}, /* 25, -3.5dB */
{0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03}, /* 26, -3.0dB */
{0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03}, /* 27, -2.5dB */
{0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03}, /* 28, -2.0dB */
{0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03}, /* 29, -1.5dB */
{0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03}, /* 30, -1.0dB */
{0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04}, /* 31, -0.5dB */
{0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04} /* 32, +0dB */
};
static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
{0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}, /* 0, -16.0dB */
{0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 1, -15.5dB */
{0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 2, -15.0dB */
{0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 3, -14.5dB */
{0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 4, -14.0dB */
{0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 5, -13.5dB */
{0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 6, -13.0dB */
{0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 7, -12.5dB */
{0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, /* 8, -12.0dB */
{0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, /* 9, -11.5dB */
{0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00}, /* 10, -11.0dB */
{0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00}, /* 11, -10.5dB */
{0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, /* 12, -10.0dB */
{0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, /* 13, -9.5dB */
{0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00}, /* 14, -9.0dB */
{0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00}, /* 15, -8.5dB */
{0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00}, /* 16, -8.0dB */
{0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00}, /* 17, -7.5dB */
{0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00}, /* 18, -7.0dB */
{0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00}, /* 19, -6.5dB */
{0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00}, /* 20, -6.0dB */
{0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00}, /* 21, -5.5dB */
{0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00}, /* 22, -5.0dB */
{0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00}, /* 23, -4.5dB */
{0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00}, /* 24, -4.0dB */
{0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00}, /* 25, -3.5dB */
{0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00}, /* 26, -3.0dB */
{0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00}, /* 27, -2.5dB */
{0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00}, /* 28, -2.0dB */
{0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00}, /* 29, -1.5dB */
{0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00}, /* 30, -1.0dB */
{0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00}, /* 31, -0.5dB */
{0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00} /* 32, +0dB */
};
static const u32 edca_setting_dl[PEER_MAX] = {
0xa44f, /* 0 UNKNOWN */
0x5ea44f, /* 1 REALTEK_90 */
0x5e4322, /* 2 REALTEK_92SE */
0x5ea42b, /* 3 BROAD */
0xa44f, /* 4 RAL */
0xa630, /* 5 ATH */
0x5ea630, /* 6 CISCO */
0x5ea42b, /* 7 MARVELL */
};
static const u32 edca_setting_ul[PEER_MAX] = {
0x5e4322, /* 0 UNKNOWN */
0xa44f, /* 1 REALTEK_90 */
0x5ea44f, /* 2 REALTEK_92SE */
0x5ea32b, /* 3 BROAD */
0x5ea422, /* 4 RAL */
0x5ea322, /* 5 ATH */
0x3ea430, /* 6 CISCO */
0x5ea44f, /* 7 MARV */
};
void rtl8723be_dm_txpower_track_adjust(struct ieee80211_hw *hw, u8 type,
u8 *pdirection, u32 *poutwrite_val)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
u8 pwr_val = 0;
u8 ofdm_base = rtlpriv->dm.swing_idx_ofdm_base[RF90_PATH_A];
u8 ofdm_val = rtlpriv->dm.swing_idx_ofdm[RF90_PATH_A];
u8 cck_base = rtldm->swing_idx_cck_base;
u8 cck_val = rtldm->swing_idx_cck;
if (type == 0) {
if (ofdm_val <= ofdm_base) {
*pdirection = 1;
pwr_val = ofdm_base - ofdm_val;
} else {
*pdirection = 2;
pwr_val = ofdm_val - ofdm_base;
}
} else if (type == 1) {
if (cck_val <= cck_base) {
*pdirection = 1;
pwr_val = cck_base - cck_val;
} else {
*pdirection = 2;
pwr_val = cck_val - cck_base;
}
}
if (pwr_val >= TXPWRTRACK_MAX_IDX && (*pdirection == 1))
pwr_val = TXPWRTRACK_MAX_IDX;
*poutwrite_val = pwr_val | (pwr_val << 8) |
(pwr_val << 16) | (pwr_val << 24);
}
void rtl8723be_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->high_rssi_thresh_for_ra = 50;
p_ra->low_rssi_thresh_for_ra40m = 20;
}
static void rtl8723be_dm_init_txpower_tracking(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtlpriv->dm.txpower_tracking = true;
rtlpriv->dm.txpower_track_control = true;
rtlpriv->dm.thermalvalue = 0;
rtlpriv->dm.ofdm_index[0] = 30;
rtlpriv->dm.cck_index = 20;
rtlpriv->dm.swing_idx_cck_base = rtlpriv->dm.cck_index;
rtlpriv->dm.swing_idx_ofdm_base[0] = rtlpriv->dm.ofdm_index[0];
rtlpriv->dm.delta_power_index[RF90_PATH_A] = 0;
rtlpriv->dm.delta_power_index_last[RF90_PATH_A] = 0;
rtlpriv->dm.power_index_offset[RF90_PATH_A] = 0;
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
" rtlpriv->dm.txpower_tracking = %d\n",
rtlpriv->dm.txpower_tracking);
}
static void rtl8723be_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, 0x800);
rtlpriv->dm.cfo_threshold = CFO_THRESHOLD_XTAL;
}
void rtl8723be_dm_init(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u32 cur_igvalue = rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f);
rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
rtl_dm_diginit(hw, cur_igvalue);
rtl8723be_dm_init_rate_adaptive_mask(hw);
rtl8723_dm_init_edca_turbo(hw);
rtl8723_dm_init_dynamic_bb_powersaving(hw);
rtl8723_dm_init_dynamic_txpower(hw);
rtl8723be_dm_init_txpower_tracking(hw);
rtl8723be_dm_init_dynamic_atc_switch(hw);
}
static void rtl8723be_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;
RT_TRACE(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;
RT_TRACE(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;
RT_TRACE(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;
RT_TRACE(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
"AP Ext Port or disconnect PWDB = 0x%x\n",
rtl_dm_dig->min_undec_pwdb_for_dm);
}
RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD, "MinUndecoratedPWDBForDM =%d\n",
rtl_dm_dig->min_undec_pwdb_for_dm);
}
static void rtl8723be_dm_check_rssi_monitor(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
struct rtl_sta_info *drv_priv;
u8 h2c_parameter[3] = { 0 };
long tmp_entry_max_pwdb = 0, tmp_entry_min_pwdb = 0xff;
/* AP & ADHOC & MESH */
spin_lock_bh(&rtlpriv->locks.entry_list_lock);
list_for_each_entry(drv_priv, &rtlpriv->entry_list, list) {
if (drv_priv->rssi_stat.undec_sm_pwdb <
tmp_entry_min_pwdb)
tmp_entry_min_pwdb =
drv_priv->rssi_stat.undec_sm_pwdb;
if (drv_priv->rssi_stat.undec_sm_pwdb >
tmp_entry_max_pwdb)
tmp_entry_max_pwdb =
drv_priv->rssi_stat.undec_sm_pwdb;
}
spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
/* If associated entry is found */
if (tmp_entry_max_pwdb != 0) {
rtlpriv->dm.entry_max_undec_sm_pwdb =
tmp_entry_max_pwdb;
RTPRINT(rtlpriv, FDM, DM_PWDB,
"EntryMaxPWDB = 0x%lx(%ld)\n",
tmp_entry_max_pwdb, tmp_entry_max_pwdb);
} else {
rtlpriv->dm.entry_max_undec_sm_pwdb = 0;
}
/* If associated entry is found */
if (tmp_entry_min_pwdb != 0xff) {
rtlpriv->dm.entry_min_undec_sm_pwdb =
tmp_entry_min_pwdb;
RTPRINT(rtlpriv, FDM, DM_PWDB,
"EntryMinPWDB = 0x%lx(%ld)\n",
tmp_entry_min_pwdb, tmp_entry_min_pwdb);
} else {
rtlpriv->dm.entry_min_undec_sm_pwdb = 0;
}
/* Indicate Rx signal strength to FW. */
if (rtlpriv->dm.useramask) {
h2c_parameter[2] =
(u8)(rtlpriv->dm.undec_sm_pwdb & 0xFF);
h2c_parameter[1] = 0x20;
h2c_parameter[0] = 0;
rtl8723be_fill_h2c_cmd(hw, H2C_RSSIBE_REPORT, 3, h2c_parameter);
} else {
rtl_write_byte(rtlpriv, 0x4fe,
rtlpriv->dm.undec_sm_pwdb);
}
rtl8723be_dm_find_minimum_rssi(hw);
dm_digtable->rssi_val_min =
rtlpriv->dm_digtable.min_undec_pwdb_for_dm;
}
void rtl8723be_dm_write_dig(struct ieee80211_hw *hw, u8 current_igi)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
if (dm_digtable->stop_dig)
return;
if (dm_digtable->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_digtable->pre_igvalue = dm_digtable->cur_igvalue;
dm_digtable->cur_igvalue = current_igi;
}
static void rtl8723be_dm_dig(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
u8 dig_min_0, dig_maxofmin;
bool bfirstconnect, bfirstdisconnect;
u8 dm_dig_max, dm_dig_min;
u8 current_igi = dm_digtable->cur_igvalue;
u8 offset;
/* AP,BT */
if (mac->act_scanning)
return;
dig_min_0 = dm_digtable->dig_min_0;
bfirstconnect = (mac->link_state >= MAC80211_LINKED) &&
!dm_digtable->media_connect_0;
bfirstdisconnect = (mac->link_state < MAC80211_LINKED) &&
(dm_digtable->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_digtable->rssi_val_min + 10) > dm_dig_max)
dm_digtable->rx_gain_max = dm_dig_max;
else if ((dm_digtable->rssi_val_min + 10) < dm_dig_min)
dm_digtable->rx_gain_max = dm_dig_min;
else
dm_digtable->rx_gain_max =
dm_digtable->rssi_val_min + 10;
if (rtlpriv->dm.one_entry_only) {
offset = 12;
if (dm_digtable->rssi_val_min - offset < dm_dig_min)
dig_min_0 = dm_dig_min;
else if (dm_digtable->rssi_val_min - offset >
dig_maxofmin)
dig_min_0 = dig_maxofmin;
else
dig_min_0 =
dm_digtable->rssi_val_min - offset;
} else {
dig_min_0 = dm_dig_min;
}
} else {
dm_digtable->rx_gain_max = dm_dig_max;
dig_min_0 = dm_dig_min;
RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD, "no link\n");
}
if (rtlpriv->falsealm_cnt.cnt_all > 10000) {
if (dm_digtable->large_fa_hit != 3)
dm_digtable->large_fa_hit++;
if (dm_digtable->forbidden_igi < current_igi) {
dm_digtable->forbidden_igi = current_igi;
dm_digtable->large_fa_hit = 1;
}
if (dm_digtable->large_fa_hit >= 3) {
if ((dm_digtable->forbidden_igi + 1) >
dm_digtable->rx_gain_max)
dm_digtable->rx_gain_min =
dm_digtable->rx_gain_max;
else
dm_digtable->rx_gain_min =
dm_digtable->forbidden_igi + 1;
dm_digtable->recover_cnt = 3600;
}
} else {
if (dm_digtable->recover_cnt != 0) {
dm_digtable->recover_cnt--;
} else {
if (dm_digtable->large_fa_hit < 3) {
if ((dm_digtable->forbidden_igi - 1) <
dig_min_0) {
dm_digtable->forbidden_igi =
dig_min_0;
dm_digtable->rx_gain_min =
dig_min_0;
} else {
dm_digtable->forbidden_igi--;
dm_digtable->rx_gain_min =
dm_digtable->forbidden_igi + 1;
}
} else {
dm_digtable->large_fa_hit = 0;
}
}
}
if (dm_digtable->rx_gain_min > dm_digtable->rx_gain_max)
dm_digtable->rx_gain_min = dm_digtable->rx_gain_max;
if (mac->link_state >= MAC80211_LINKED) {
if (bfirstconnect) {
if (dm_digtable->rssi_val_min <= dig_maxofmin)
current_igi = dm_digtable->rssi_val_min;
else
current_igi = dig_maxofmin;
dm_digtable->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;
}
} else {
if (bfirstdisconnect) {
current_igi = dm_digtable->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_digtable->rx_gain_max)
current_igi = dm_digtable->rx_gain_max;
else if (current_igi < dm_digtable->rx_gain_min)
current_igi = dm_digtable->rx_gain_min;
rtl8723be_dm_write_dig(hw, current_igi);
dm_digtable->media_connect_0 =
((mac->link_state >= MAC80211_LINKED) ? true : false);
dm_digtable->dig_min_0 = dig_min_0;
}
static void rtl8723be_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;
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_RST_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;
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);
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);
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);
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);
RT_TRACE(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);
RT_TRACE(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 rtl8723be_dm_dynamic_txpower(struct ieee80211_hw *hw)
{
/* 8723BE does not support ODM_BB_DYNAMIC_TXPWR*/
return;
}
static void rtl8723be_set_iqk_matrix(struct ieee80211_hw *hw, u8 ofdm_index,
u8 rfpath, long iqk_result_x,
long iqk_result_y)
{
long ele_a = 0, ele_d, ele_c = 0, value32;
if (ofdm_index >= 43)
ofdm_index = 43 - 1;
ele_d = (ofdmswing_table[ofdm_index] & 0xFFC00000) >> 22;
if (iqk_result_x != 0) {
if ((iqk_result_x & 0x00000200) != 0)
iqk_result_x = iqk_result_x | 0xFFFFFC00;
ele_a = ((iqk_result_x * ele_d) >> 8) & 0x000003FF;
if ((iqk_result_y & 0x00000200) != 0)
iqk_result_y = iqk_result_y | 0xFFFFFC00;
ele_c = ((iqk_result_y * ele_d) >> 8) & 0x000003FF;
switch (rfpath) {
case RF90_PATH_A:
value32 = (ele_d << 22) |
((ele_c & 0x3F) << 16) | ele_a;
rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, MASKDWORD,
value32);
value32 = (ele_c & 0x000003C0) >> 6;
rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS, value32);
value32 = ((iqk_result_x * ele_d) >> 7) & 0x01;
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(24),
value32);
break;
default:
break;
}
} else {
switch (rfpath) {
case RF90_PATH_A:
rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, MASKDWORD,
ofdmswing_table[ofdm_index]);
rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS, 0x00);
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(24), 0x00);
break;
default:
break;
}
}
}
static void rtl8723be_dm_tx_power_track_set_power(struct ieee80211_hw *hw,
enum pwr_track_control_method method,
u8 rfpath, u8 idx)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &rtlpriv->phy;
struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
u8 swing_idx_ofdm_limit = 36;
if (method == TXAGC) {
rtl8723be_phy_set_txpower_level(hw, rtlphy->current_channel);
} else if (method == BBSWING) {
if (rtldm->swing_idx_cck >= CCK_TABLE_SIZE)
rtldm->swing_idx_cck = CCK_TABLE_SIZE - 1;
if (!rtldm->cck_inch14) {
rtl_write_byte(rtlpriv, 0xa22,
cckswing_table_ch1ch13[rtldm->swing_idx_cck][0]);
rtl_write_byte(rtlpriv, 0xa23,
cckswing_table_ch1ch13[rtldm->swing_idx_cck][1]);
rtl_write_byte(rtlpriv, 0xa24,
cckswing_table_ch1ch13[rtldm->swing_idx_cck][2]);
rtl_write_byte(rtlpriv, 0xa25,
cckswing_table_ch1ch13[rtldm->swing_idx_cck][3]);
rtl_write_byte(rtlpriv, 0xa26,
cckswing_table_ch1ch13[rtldm->swing_idx_cck][4]);
rtl_write_byte(rtlpriv, 0xa27,
cckswing_table_ch1ch13[rtldm->swing_idx_cck][5]);
rtl_write_byte(rtlpriv, 0xa28,
cckswing_table_ch1ch13[rtldm->swing_idx_cck][6]);
rtl_write_byte(rtlpriv, 0xa29,
cckswing_table_ch1ch13[rtldm->swing_idx_cck][7]);
} else {
rtl_write_byte(rtlpriv, 0xa22,
cckswing_table_ch14[rtldm->swing_idx_cck][0]);
rtl_write_byte(rtlpriv, 0xa23,
cckswing_table_ch14[rtldm->swing_idx_cck][1]);
rtl_write_byte(rtlpriv, 0xa24,
cckswing_table_ch14[rtldm->swing_idx_cck][2]);
rtl_write_byte(rtlpriv, 0xa25,
cckswing_table_ch14[rtldm->swing_idx_cck][3]);
rtl_write_byte(rtlpriv, 0xa26,
cckswing_table_ch14[rtldm->swing_idx_cck][4]);
rtl_write_byte(rtlpriv, 0xa27,
cckswing_table_ch14[rtldm->swing_idx_cck][5]);
rtl_write_byte(rtlpriv, 0xa28,
cckswing_table_ch14[rtldm->swing_idx_cck][6]);
rtl_write_byte(rtlpriv, 0xa29,
cckswing_table_ch14[rtldm->swing_idx_cck][7]);
}
if (rfpath == RF90_PATH_A) {
if (rtldm->swing_idx_ofdm[RF90_PATH_A] <
swing_idx_ofdm_limit)
swing_idx_ofdm_limit =
rtldm->swing_idx_ofdm[RF90_PATH_A];
rtl8723be_set_iqk_matrix(hw,
rtldm->swing_idx_ofdm[rfpath], rfpath,
rtlphy->iqk_matrix[idx].value[0][0],
rtlphy->iqk_matrix[idx].value[0][1]);
} else if (rfpath == RF90_PATH_B) {
if (rtldm->swing_idx_ofdm[RF90_PATH_B] <
swing_idx_ofdm_limit)
swing_idx_ofdm_limit =
rtldm->swing_idx_ofdm[RF90_PATH_B];
rtl8723be_set_iqk_matrix(hw,
rtldm->swing_idx_ofdm[rfpath], rfpath,
rtlphy->iqk_matrix[idx].value[0][4],
rtlphy->iqk_matrix[idx].value[0][5]);
}
} else {
return;
}
}
static void rtl8723be_dm_txpower_tracking_callback_thermalmeter(
struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
u8 thermalvalue = 0, delta, delta_lck, delta_iqk;
u8 thermalvalue_avg_count = 0;
u32 thermalvalue_avg = 0;
int i = 0;
u8 ofdm_min_index = 6;
u8 index_for_channel = 0;
s8 delta_swing_table_idx_tup_a[TXSCALE_TABLE_SIZE] = {
0, 0, 1, 2, 2, 2, 3, 3, 3, 4, 5,
5, 6, 6, 7, 7, 8, 8, 9, 9, 9, 10,
10, 11, 11, 12, 12, 13, 14, 15};
s8 delta_swing_table_idx_tdown_a[TXSCALE_TABLE_SIZE] = {
0, 0, 1, 2, 2, 2, 3, 3, 3, 4, 5,
5, 6, 6, 6, 6, 7, 7, 7, 8, 8, 9,
9, 10, 10, 11, 12, 13, 14, 15};
/*Initilization ( 7 steps in total )*/
rtlpriv->dm.txpower_trackinginit = true;
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"rtl8723be_dm_txpower_tracking_callback_thermalmeter\n");
thermalvalue = (u8)rtl_get_rfreg(hw,
RF90_PATH_A, RF_T_METER, 0xfc00);
if (!rtlpriv->dm.txpower_track_control || thermalvalue == 0 ||
rtlefuse->eeprom_thermalmeter == 0xFF)
return;
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x\n",
thermalvalue, rtldm->thermalvalue,
rtlefuse->eeprom_thermalmeter);
/*3 Initialize ThermalValues of RFCalibrateInfo*/
if (!rtldm->thermalvalue) {
rtlpriv->dm.thermalvalue_lck = thermalvalue;
rtlpriv->dm.thermalvalue_iqk = thermalvalue;
}
/*4 Calculate average thermal meter*/
rtldm->thermalvalue_avg[rtldm->thermalvalue_avg_index] = thermalvalue;
rtldm->thermalvalue_avg_index++;
if (rtldm->thermalvalue_avg_index == AVG_THERMAL_NUM_8723BE)
rtldm->thermalvalue_avg_index = 0;
for (i = 0; i < AVG_THERMAL_NUM_8723BE; i++) {
if (rtldm->thermalvalue_avg[i]) {
thermalvalue_avg += rtldm->thermalvalue_avg[i];
thermalvalue_avg_count++;
}
}
if (thermalvalue_avg_count)
thermalvalue = (u8)(thermalvalue_avg / thermalvalue_avg_count);
/* 5 Calculate delta, delta_LCK, delta_IQK.*/
delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
(thermalvalue - rtlpriv->dm.thermalvalue) :
(rtlpriv->dm.thermalvalue - thermalvalue);
delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ?
(thermalvalue - rtlpriv->dm.thermalvalue_lck) :
(rtlpriv->dm.thermalvalue_lck - thermalvalue);
delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ?
(thermalvalue - rtlpriv->dm.thermalvalue_iqk) :
(rtlpriv->dm.thermalvalue_iqk - thermalvalue);
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x delta 0x%x delta_lck 0x%x delta_iqk 0x%x\n",
thermalvalue, rtlpriv->dm.thermalvalue,
rtlefuse->eeprom_thermalmeter, delta, delta_lck, delta_iqk);
/* 6 If necessary, do LCK.*/
if (delta_lck >= IQK_THRESHOLD) {
rtlpriv->dm.thermalvalue_lck = thermalvalue;
rtl8723be_phy_lc_calibrate(hw);
}
/* 7 If necessary, move the index of
* swing table to adjust Tx power.
*/
if (delta > 0 && rtlpriv->dm.txpower_track_control) {
delta = (thermalvalue > rtlefuse->eeprom_thermalmeter) ?
(thermalvalue - rtlefuse->eeprom_thermalmeter) :
(rtlefuse->eeprom_thermalmeter - thermalvalue);
if (delta >= TXSCALE_TABLE_SIZE)
delta = TXSCALE_TABLE_SIZE - 1;
/* 7.1 Get the final CCK_index and
* OFDM_index for each swing table.
*/
if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
rtldm->delta_power_index_last[RF90_PATH_A] =
rtldm->delta_power_index[RF90_PATH_A];
rtldm->delta_power_index[RF90_PATH_A] =
delta_swing_table_idx_tup_a[delta];
} else {
rtldm->delta_power_index_last[RF90_PATH_A] =
rtldm->delta_power_index[RF90_PATH_A];
rtldm->delta_power_index[RF90_PATH_A] =
-1 * delta_swing_table_idx_tdown_a[delta];
}
/* 7.2 Handle boundary conditions of index.*/
if (rtldm->delta_power_index[RF90_PATH_A] ==
rtldm->delta_power_index_last[RF90_PATH_A])
rtldm->power_index_offset[RF90_PATH_A] = 0;
else
rtldm->power_index_offset[RF90_PATH_A] =
rtldm->delta_power_index[RF90_PATH_A] -
rtldm->delta_power_index_last[RF90_PATH_A];
rtldm->ofdm_index[0] =
rtldm->swing_idx_ofdm_base[RF90_PATH_A] +
rtldm->power_index_offset[RF90_PATH_A];
rtldm->cck_index = rtldm->swing_idx_cck_base +
rtldm->power_index_offset[RF90_PATH_A];
rtldm->swing_idx_cck = rtldm->cck_index;
rtldm->swing_idx_ofdm[0] = rtldm->ofdm_index[0];
if (rtldm->ofdm_index[0] > OFDM_TABLE_SIZE - 1)
rtldm->ofdm_index[0] = OFDM_TABLE_SIZE - 1;
else if (rtldm->ofdm_index[0] < ofdm_min_index)
rtldm->ofdm_index[0] = ofdm_min_index;
if (rtldm->cck_index > CCK_TABLE_SIZE - 1)
rtldm->cck_index = CCK_TABLE_SIZE - 1;
else if (rtldm->cck_index < 0)
rtldm->cck_index = 0;
} else {
rtldm->power_index_offset[RF90_PATH_A] = 0;
}
if ((rtldm->power_index_offset[RF90_PATH_A] != 0) &&
(rtldm->txpower_track_control)) {
rtldm->done_txpower = true;
if (thermalvalue > rtlefuse->eeprom_thermalmeter)
rtl8723be_dm_tx_power_track_set_power(hw, BBSWING, 0,
index_for_channel);
else
rtl8723be_dm_tx_power_track_set_power(hw, BBSWING, 0,
index_for_channel);
rtldm->swing_idx_cck_base = rtldm->swing_idx_cck;
rtldm->swing_idx_ofdm_base[RF90_PATH_A] =
rtldm->swing_idx_ofdm[0];
rtldm->thermalvalue = thermalvalue;
}
if (delta_iqk >= IQK_THRESHOLD) {
rtldm->thermalvalue_iqk = thermalvalue;
rtl8723be_phy_iq_calibrate(hw, false);
}
rtldm->txpowercount = 0;
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "end\n");
}
void rtl8723be_dm_check_txpower_tracking(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
if (!rtlpriv->dm.txpower_tracking)
return;
if (!rtlpriv->dm.tm_trigger) {
rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, BIT(17) | BIT(16),
0x03);
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"Trigger 8723be Thermal Meter!!\n");
rtlpriv->dm.tm_trigger = 1;
return;
} else {
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"Schedule TxPowerTracking !!\n");
rtl8723be_dm_txpower_tracking_callback_thermalmeter(hw);
rtlpriv->dm.tm_trigger = 0;
}
}
static void rtl8723be_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;
u32 low_rssithresh_for_ra = p_ra->low2high_rssi_thresh_for_ra40m;
u32 high_rssithresh_for_ra = p_ra->high_rssi_thresh_for_ra;
u8 go_up_gap = 5;
struct ieee80211_sta *sta = NULL;
if (is_hal_stop(rtlhal)) {
RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
"driver is going to unload\n");
return;
}
if (!rtlpriv->dm.useramask) {
RT_TRACE(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) {
switch (p_ra->pre_ratr_state) {
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:
break;
}
if (rtlpriv->dm.undec_sm_pwdb >
(long)high_rssithresh_for_ra)
p_ra->ratr_state = DM_RATR_STA_HIGH;
else if (rtlpriv->dm.undec_sm_pwdb >
(long)low_rssithresh_for_ra)
p_ra->ratr_state = DM_RATR_STA_MIDDLE;
else
p_ra->ratr_state = DM_RATR_STA_LOW;
if (p_ra->pre_ratr_state != p_ra->ratr_state) {
RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
"RSSI = %ld\n",
rtlpriv->dm.undec_sm_pwdb);
RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
"RSSI_LEVEL = %d\n", p_ra->ratr_state);
RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
"PreState = %d, CurState = %d\n",
p_ra->pre_ratr_state, 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);
rcu_read_unlock();
p_ra->pre_ratr_state = p_ra->ratr_state;
}
}
}
static bool rtl8723be_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;
}
static void rtl8723be_dm_check_edca_turbo(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(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 = 0x6ea42b;
u32 edca_be_dl = 0x6ea42b;/*not sure*/
u32 edca_be = 0x5ea42b;
u32 iot_peer = 0;
bool b_is_cur_rdlstate;
bool b_last_is_cur_rdlstate = false;
bool b_bias_on_rx = false;
bool b_edca_turbo_on = false;
b_last_is_cur_rdlstate = rtlpriv->dm.is_cur_rdlstate;
cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
iot_peer = rtlpriv->mac80211.vendor;
b_bias_on_rx = (iot_peer == PEER_RAL || iot_peer == PEER_ATH) ?
true : false;
b_edca_turbo_on = ((!rtlpriv->dm.is_any_nonbepkts) &&
(!rtlpriv->dm.disable_framebursting)) ?
true : false;
if ((iot_peer == PEER_CISCO) &&
(mac->mode == WIRELESS_MODE_N_24G)) {
edca_be_dl = edca_setting_dl[iot_peer];
edca_be_ul = edca_setting_ul[iot_peer];
}
if (rtl8723be_dm_is_edca_turbo_disable(hw))
goto exit;
if (b_edca_turbo_on) {
if (b_bias_on_rx)
b_is_cur_rdlstate = (cur_txok_cnt > cur_rxok_cnt * 4) ?
false : true;
else
b_is_cur_rdlstate = (cur_rxok_cnt > cur_txok_cnt * 4) ?
true : false;
edca_be = (b_is_cur_rdlstate) ? edca_be_dl : edca_be_ul;
rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, edca_be);
rtlpriv->dm.is_cur_rdlstate = b_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;
}
exit:
rtlpriv->dm.is_any_nonbepkts = false;
last_txok_cnt = rtlpriv->stats.txbytesunicast;
last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
}
static void rtl8723be_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
u8 cur_cck_cca_thresh;
if (rtlpriv->mac80211.link_state >= MAC80211_LINKED) {
if (dm_digtable->rssi_val_min > 25) {
cur_cck_cca_thresh = 0xcd;
} else if ((dm_digtable->rssi_val_min <= 25) &&
(dm_digtable->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;
}
if (dm_digtable->cur_cck_cca_thres != cur_cck_cca_thresh)
rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, cur_cck_cca_thresh);
dm_digtable->pre_cck_cca_thres = dm_digtable->cur_cck_cca_thres;
dm_digtable->cur_cck_cca_thres = cur_cck_cca_thresh;
RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
"CCK cca thresh hold =%x\n", dm_digtable->cur_cck_cca_thres);
}
static void rtl8723be_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);
}
} 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);
}
}
}
static void rtl8723be_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;
}
if (rtlpriv->cfg->ops->get_btc_status()) {
if (!rtlpriv->btcoexist.btc_ops->btc_is_bt_disabled(rtlpriv)) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"odm_DynamicATCSwitch(): Disable CFO tracking for BT!!\n");
return;
}
}
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 == 0) {
rtldm->large_cfo_hit = 1;
return;
} else
rtldm->large_cfo_hit = 0;
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) >> 1) + 1;
else if ((cfo_ave < -rtlpriv->dm.cfo_threshold) &&
rtlpriv->dm.crystal_cap > 0)
adjust_xtal = ((cfo_ave + CFO_THRESHOLD_XTAL) >> 1) - 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 rtl8723be_dm_common_info_self_update(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 cnt = 0;
struct rtl_sta_info *drv_priv;
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 rtl8723be_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)) {
rtl8723be_dm_common_info_self_update(hw);
rtl8723be_dm_false_alarm_counter_statistics(hw);
rtl8723be_dm_check_rssi_monitor(hw);
rtl8723be_dm_dig(hw);
rtl8723be_dm_dynamic_edcca(hw);
rtl8723be_dm_cck_packet_detection_thresh(hw);
rtl8723be_dm_refresh_rate_adaptive_mask(hw);
rtl8723be_dm_check_edca_turbo(hw);
rtl8723be_dm_dynamic_atc_switch(hw);
rtl8723be_dm_check_txpower_tracking(hw);
rtl8723be_dm_dynamic_txpower(hw);
}
spin_unlock(&rtlpriv->locks.rf_ps_lock);
rtlpriv->dm.dbginfo.num_qry_beacon_pkt = 0;
}
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