/******************************************************************************
*
* Copyright(c) 2009-2012 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.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* 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 "reg.h"
#include "def.h"
#include "phy.h"
#include "dm.h"
#include "../rtl8723com/dm_common.h"
#include "fw.h"
#include "hal_btc.h"
static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = {
0x7f8001fe,
0x788001e2,
0x71c001c7,
0x6b8001ae,
0x65400195,
0x5fc0017f,
0x5a400169,
0x55400155,
0x50800142,
0x4c000130,
0x47c0011f,
0x43c0010f,
0x40000100,
0x3c8000f2,
0x390000e4,
0x35c000d7,
0x32c000cb,
0x300000c0,
0x2d4000b5,
0x2ac000ab,
0x288000a2,
0x26000098,
0x24000090,
0x22000088,
0x20000080,
0x1e400079,
0x1c800072,
0x1b00006c,
0x19800066,
0x18000060,
0x16c0005b,
0x15800056,
0x14400051,
0x1300004c,
0x12000048,
0x11000044,
0x10000040,
};
static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = {
{0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04},
{0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04},
{0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03},
{0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03},
{0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03},
{0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03},
{0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03},
{0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03},
{0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02},
{0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02},
{0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02},
{0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02},
{0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02},
{0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02},
{0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02},
{0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02},
{0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01},
{0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02},
{0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01},
{0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
{0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
{0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01},
{0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01},
{0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01},
{0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01},
{0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01},
{0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01},
{0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01},
{0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01},
{0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01},
{0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01},
{0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01},
{0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01}
};
static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
{0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00},
{0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00},
{0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00},
{0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00},
{0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00},
{0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00},
{0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00},
{0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00},
{0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00},
{0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00},
{0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00},
{0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00},
{0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00},
{0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00},
{0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00},
{0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00},
{0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00},
{0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00},
{0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00},
{0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
{0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
{0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00},
{0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00},
{0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
{0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
{0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00},
{0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
{0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
{0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
{0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
{0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
{0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
{0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}
};
static void rtl8723ae_dm_diginit(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
dm_digtable->dig_enable_flag = true;
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
dm_digtable->cur_igvalue = 0x20;
dm_digtable->pre_igvalue = 0x0;
dm_digtable->cursta_cstate = DIG_STA_DISCONNECT;
dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
dm_digtable->rx_gain_max = DM_DIG_MAX;
dm_digtable->rx_gain_min = DM_DIG_MIN;
dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX;
}
static u8 rtl_init_gain_min_pwdb(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
long rssi_val_min = 0;
if ((dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) &&
(dm_digtable->cursta_cstate == DIG_STA_CONNECT)) {
if (rtlpriv->dm.entry_min_undec_sm_pwdb != 0)
rssi_val_min =
(rtlpriv->dm.entry_min_undec_sm_pwdb >
rtlpriv->dm.undec_sm_pwdb) ?
rtlpriv->dm.undec_sm_pwdb :
rtlpriv->dm.entry_min_undec_sm_pwdb;
else
rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
} else if (dm_digtable->cursta_cstate == DIG_STA_CONNECT ||
dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT) {
rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
} else if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) {
rssi_val_min = rtlpriv->dm.entry_min_undec_sm_pwdb;
}
return (u8) rssi_val_min;
}
static void rtl8723ae_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);
ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, 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;
rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1);
ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0);
falsealm_cnt->cnt_cck_fail = ret_value;
ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERUPPER, MASKBYTE3);
falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;
falsealm_cnt->cnt_all = (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);
rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 1);
rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 0);
rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 0);
rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 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 rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
u8 value_igi = dm_digtable->cur_igvalue;
if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
value_igi--;
else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
value_igi += 0;
else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH2)
value_igi++;
else
value_igi += 2;
value_igi = clamp(value_igi, (u8)DM_DIG_FA_LOWER, (u8)DM_DIG_FA_UPPER);
if (rtlpriv->falsealm_cnt.cnt_all > 10000)
value_igi = 0x32;
dm_digtable->cur_igvalue = value_igi;
rtl8723ae_dm_write_dig(hw);
}
static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dgtbl = &rtlpriv->dm_digtable;
if (rtlpriv->falsealm_cnt.cnt_all > dgtbl->fa_highthresh) {
if ((dgtbl->back_val - 2) < dgtbl->back_range_min)
dgtbl->back_val = dgtbl->back_range_min;
else
dgtbl->back_val -= 2;
} else if (rtlpriv->falsealm_cnt.cnt_all < dgtbl->fa_lowthresh) {
if ((dgtbl->back_val + 2) > dgtbl->back_range_max)
dgtbl->back_val = dgtbl->back_range_max;
else
dgtbl->back_val += 2;
}
if ((dgtbl->rssi_val_min + 10 - dgtbl->back_val) >
dgtbl->rx_gain_max)
dgtbl->cur_igvalue = dgtbl->rx_gain_max;
else if ((dgtbl->rssi_val_min + 10 -
dgtbl->back_val) < dgtbl->rx_gain_min)
dgtbl->cur_igvalue = dgtbl->rx_gain_min;
else
dgtbl->cur_igvalue = dgtbl->rssi_val_min + 10 - dgtbl->back_val;
RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
"rssi_val_min = %x back_val %x\n",
dgtbl->rssi_val_min, dgtbl->back_val);
rtl8723ae_dm_write_dig(hw);
}
static void rtl8723ae_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
long rssi_strength = rtlpriv->dm.entry_min_undec_sm_pwdb;
bool multi_sta = false;
if (mac->opmode == NL80211_IFTYPE_ADHOC)
multi_sta = true;
if ((!multi_sta) ||
(dm_digtable->cursta_cstate != DIG_STA_DISCONNECT)) {
rtlpriv->initialized = false;
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
return;
} else if (!rtlpriv->initialized) {
rtlpriv->initialized = true;
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
dm_digtable->cur_igvalue = 0x20;
rtl8723ae_dm_write_dig(hw);
}
if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) {
if ((rssi_strength < dm_digtable->rssi_lowthresh) &&
(dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) {
if (dm_digtable->dig_ext_port_stage ==
DIG_EXT_PORT_STAGE_2) {
dm_digtable->cur_igvalue = 0x20;
rtl8723ae_dm_write_dig(hw);
}
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_1;
} else if (rssi_strength > dm_digtable->rssi_highthresh) {
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_2;
rtl92c_dm_ctrl_initgain_by_fa(hw);
}
} else if (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) {
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
dm_digtable->cur_igvalue = 0x20;
rtl8723ae_dm_write_dig(hw);
}
RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
"curmultista_cstate = %x dig_ext_port_stage %x\n",
dm_digtable->curmultista_cstate,
dm_digtable->dig_ext_port_stage);
}
static void rtl8723ae_dm_initial_gain_sta(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
"presta_cstate = %x, cursta_cstate = %x\n",
dm_digtable->presta_cstate,
dm_digtable->cursta_cstate);
if (dm_digtable->presta_cstate == dm_digtable->cursta_cstate ||
dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT ||
dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
if (dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) {
dm_digtable->rssi_val_min = rtl_init_gain_min_pwdb(hw);
rtl92c_dm_ctrl_initgain_by_rssi(hw);
}
} else {
dm_digtable->rssi_val_min = 0;
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
dm_digtable->cur_igvalue = 0x20;
dm_digtable->pre_igvalue = 0;
rtl8723ae_dm_write_dig(hw);
}
}
static void rtl8723ae_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
if (dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
dm_digtable->rssi_val_min = rtl_init_gain_min_pwdb(hw);
if (dm_digtable->pre_cck_pd_state == CCK_PD_STAGE_LowRssi) {
if (dm_digtable->rssi_val_min <= 25)
dm_digtable->cur_cck_pd_state =
CCK_PD_STAGE_LowRssi;
else
dm_digtable->cur_cck_pd_state =
CCK_PD_STAGE_HighRssi;
} else {
if (dm_digtable->rssi_val_min <= 20)
dm_digtable->cur_cck_pd_state =
CCK_PD_STAGE_LowRssi;
else
dm_digtable->cur_cck_pd_state =
CCK_PD_STAGE_HighRssi;
}
} else {
dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX;
}
if (dm_digtable->pre_cck_pd_state != dm_digtable->cur_cck_pd_state) {
if (dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_LowRssi) {
if (rtlpriv->falsealm_cnt.cnt_cck_fail > 800)
dm_digtable->cur_cck_fa_state =
CCK_FA_STAGE_High;
else
dm_digtable->cur_cck_fa_state =
CCK_FA_STAGE_Low;
if (dm_digtable->pre_cck_fa_state !=
dm_digtable->cur_cck_fa_state) {
if (dm_digtable->cur_cck_fa_state ==
CCK_FA_STAGE_Low)
rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
0x83);
else
rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
0xcd);
dm_digtable->pre_cck_fa_state =
dm_digtable->cur_cck_fa_state;
}
rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x40);
} else {
rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x47);
}
dm_digtable->pre_cck_pd_state = dm_digtable->cur_cck_pd_state;
}
RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
"CCKPDStage=%x\n", dm_digtable->cur_cck_pd_state);
}
static void rtl8723ae_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
{
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
if (mac->act_scanning == true)
return;
if (mac->link_state >= MAC80211_LINKED)
dm_digtable->cursta_cstate = DIG_STA_CONNECT;
else
dm_digtable->cursta_cstate = DIG_STA_DISCONNECT;
rtl8723ae_dm_initial_gain_sta(hw);
rtl8723ae_dm_initial_gain_multi_sta(hw);
rtl8723ae_dm_cck_packet_detection_thresh(hw);
dm_digtable->presta_cstate = dm_digtable->cursta_cstate;
}
static void rtl8723ae_dm_dig(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
if (rtlpriv->dm.dm_initialgain_enable == false)
return;
if (dm_digtable->dig_enable_flag == false)
return;
rtl8723ae_dm_ctrl_initgain_by_twoport(hw);
}
static void rtl8723ae_dm_dynamic_txpower(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &(rtlpriv->phy);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
long undec_sm_pwdb;
if (!rtlpriv->dm.dynamic_txpower_enable)
return;
if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
return;
}
if ((mac->link_state < MAC80211_LINKED) &&
(rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
"Not connected\n");
rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
return;
}
if (mac->link_state >= MAC80211_LINKED) {
if (mac->opmode == NL80211_IFTYPE_ADHOC) {
undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
"AP Client PWDB = 0x%lx\n",
undec_sm_pwdb);
} else {
undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
"STA Default Port PWDB = 0x%lx\n",
undec_sm_pwdb);
}
} else {
undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
"AP Ext Port PWDB = 0x%lx\n",
undec_sm_pwdb);
}
if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
"TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
} else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
(undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
"TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
} else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
"TXHIGHPWRLEVEL_NORMAL\n");
}
if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
"PHY_SetTxPowerLevel8192S() Channel = %d\n",
rtlphy->current_channel);
rtl8723ae_phy_set_txpower_level(hw, rtlphy->current_channel);
}
rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
}
void rtl8723ae_dm_write_dig(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
"cur_igvalue = 0x%x, "
"pre_igvalue = 0x%x, back_val = %d\n",
dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
dm_digtable->back_val);
if (dm_digtable->pre_igvalue != dm_digtable->cur_igvalue) {
rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
dm_digtable->cur_igvalue);
rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f,
dm_digtable->cur_igvalue);
dm_digtable->pre_igvalue = dm_digtable->cur_igvalue;
}
}
static void rtl8723ae_dm_check_edca_turbo(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
u64 cur_txok_cnt = 0;
u64 cur_rxok_cnt = 0;
u32 edca_be_ul = 0x5ea42b;
u32 edca_be_dl = 0x5ea42b;
bool bt_change_edca = false;
if ((mac->last_bt_edca_ul != rtlpcipriv->bt_coexist.bt_edca_ul) ||
(mac->last_bt_edca_dl != rtlpcipriv->bt_coexist.bt_edca_dl)) {
rtlpriv->dm.current_turbo_edca = false;
mac->last_bt_edca_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
mac->last_bt_edca_dl = rtlpcipriv->bt_coexist.bt_edca_dl;
}
if (rtlpcipriv->bt_coexist.bt_edca_ul != 0) {
edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
bt_change_edca = true;
}
if (rtlpcipriv->bt_coexist.bt_edca_dl != 0) {
edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_dl;
bt_change_edca = true;
}
if (mac->link_state != MAC80211_LINKED) {
rtlpriv->dm.current_turbo_edca = false;
return;
}
if ((!mac->ht_enable) && (!rtlpcipriv->bt_coexist.bt_coexistence)) {
if (!(edca_be_ul & 0xffff0000))
edca_be_ul |= 0x005e0000;
if (!(edca_be_dl & 0xffff0000))
edca_be_dl |= 0x005e0000;
}
if ((bt_change_edca) || ((!rtlpriv->dm.is_any_nonbepkts) &&
(!rtlpriv->dm.disable_framebursting))) {
cur_txok_cnt = rtlpriv->stats.txbytesunicast -
mac->last_txok_cnt;
cur_rxok_cnt = rtlpriv->stats.rxbytesunicast -
mac->last_rxok_cnt;
if (cur_rxok_cnt > 4 * cur_txok_cnt) {
if (!rtlpriv->dm.is_cur_rdlstate ||
!rtlpriv->dm.current_turbo_edca) {
rtl_write_dword(rtlpriv,
REG_EDCA_BE_PARAM,
edca_be_dl);
rtlpriv->dm.is_cur_rdlstate = true;
}
} else {
if (rtlpriv->dm.is_cur_rdlstate ||
!rtlpriv->dm.current_turbo_edca) {
rtl_write_dword(rtlpriv,
REG_EDCA_BE_PARAM,
edca_be_ul);
rtlpriv->dm.is_cur_rdlstate = false;
}
}
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;
}
}
rtlpriv->dm.is_any_nonbepkts = false;
mac->last_txok_cnt = rtlpriv->stats.txbytesunicast;
mac->last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
}
static void rtl8723ae_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtlpriv->dm.txpower_tracking = true;
rtlpriv->dm.txpower_trackinginit = false;
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"pMgntInfo->txpower_tracking = %d\n",
rtlpriv->dm.txpower_tracking);
}
void rtl8723ae_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;
}
static void rtl8723ae_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, high_rssithresh_for_ra;
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_HIGH:
high_rssithresh_for_ra = 50;
low_rssithresh_for_ra = 20;
break;
case DM_RATR_STA_MIDDLE:
high_rssithresh_for_ra = 55;
low_rssithresh_for_ra = 20;
break;
case DM_RATR_STA_LOW:
high_rssithresh_for_ra = 50;
low_rssithresh_for_ra = 25;
break;
default:
high_rssithresh_for_ra = 50;
low_rssithresh_for_ra = 20;
break;
}
if (rtlpriv->dm.undec_sm_pwdb > high_rssithresh_for_ra)
p_ra->ratr_state = DM_RATR_STA_HIGH;
else if (rtlpriv->dm.undec_sm_pwdb > 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;
}
}
}
void rtl8723ae_dm_rf_saving(struct ieee80211_hw *hw, u8 force_in_normal)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
if (!rtlpriv->reg_init) {
rtlpriv->reg_874 = (rtl_get_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
MASKDWORD) & 0x1CC000) >> 14;
rtlpriv->reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
MASKDWORD) & BIT(3)) >> 3;
rtlpriv->reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
MASKDWORD) & 0xFF000000) >> 24;
rtlpriv->reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) &
0xF000) >> 12;
rtlpriv->reg_init = true;
}
if (!force_in_normal) {
if (dm_pstable->rssi_val_min != 0) {
if (dm_pstable->pre_rfstate == RF_NORMAL) {
if (dm_pstable->rssi_val_min >= 30)
dm_pstable->cur_rfstate = RF_SAVE;
else
dm_pstable->cur_rfstate = RF_NORMAL;
} else {
if (dm_pstable->rssi_val_min <= 25)
dm_pstable->cur_rfstate = RF_NORMAL;
else
dm_pstable->cur_rfstate = RF_SAVE;
}
} else {
dm_pstable->cur_rfstate = RF_MAX;
}
} else {
dm_pstable->cur_rfstate = RF_NORMAL;
}
if (dm_pstable->pre_rfstate != dm_pstable->cur_rfstate) {
if (dm_pstable->cur_rfstate == RF_SAVE) {
rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
BIT(5), 0x1);
rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
0x1C0000, 0x2);
rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0);
rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
0xFF000000, 0x63);
rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
0xC000, 0x2);
rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3);
rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
} else {
rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
0x1CC000, rtlpriv->reg_874);
rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
rtlpriv->reg_c70);
rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
rtlpriv->reg_85c);
rtl_set_bbreg(hw, 0xa74, 0xF000, rtlpriv->reg_a74);
rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
BIT(5), 0x0);
}
dm_pstable->pre_rfstate = dm_pstable->cur_rfstate;
}
}
static void rtl8723ae_dm_dynamic_bpowersaving(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
if (((mac->link_state == MAC80211_NOLINK)) &&
(rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
dm_pstable->rssi_val_min = 0;
RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
"Not connected to any\n");
}
if (mac->link_state == MAC80211_LINKED) {
if (mac->opmode == NL80211_IFTYPE_ADHOC) {
dm_pstable->rssi_val_min =
rtlpriv->dm.entry_min_undec_sm_pwdb;
RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
"AP Client PWDB = 0x%lx\n",
dm_pstable->rssi_val_min);
} else {
dm_pstable->rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
"STA Default Port PWDB = 0x%lx\n",
dm_pstable->rssi_val_min);
}
} else {
dm_pstable->rssi_val_min = rtlpriv->dm.entry_min_undec_sm_pwdb;
RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
"AP Ext Port PWDB = 0x%lx\n",
dm_pstable->rssi_val_min);
}
rtl8723ae_dm_rf_saving(hw, false);
}
void rtl8723ae_dm_init(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
rtl8723ae_dm_diginit(hw);
rtl8723_dm_init_dynamic_txpower(hw);
rtl8723_dm_init_edca_turbo(hw);
rtl8723ae_dm_init_rate_adaptive_mask(hw);
rtl8723ae_dm_initialize_txpower_tracking(hw);
rtl8723_dm_init_dynamic_bb_powersaving(hw);
}
void rtl8723ae_dm_watchdog(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(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;
if ((ppsc->rfpwr_state == ERFON) &&
((!fw_current_inpsmode) && fw_ps_awake) &&
(!ppsc->rfchange_inprogress)) {
rtl8723ae_dm_dig(hw);
rtl8723ae_dm_false_alarm_counter_statistics(hw);
rtl8723ae_dm_dynamic_bpowersaving(hw);
rtl8723ae_dm_dynamic_txpower(hw);
rtl8723ae_dm_refresh_rate_adaptive_mask(hw);
rtl8723ae_dm_bt_coexist(hw);
rtl8723ae_dm_check_edca_turbo(hw);
}
if (rtlpcipriv->bt_coexist.init_set)
rtl_write_byte(rtlpriv, 0x76e, 0xc);
}
static void rtl8723ae_dm_init_bt_coexist(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
rtlpcipriv->bt_coexist.bt_rfreg_origin_1e
= rtl_get_rfreg(hw, (enum radio_path)0, RF_RCK1, 0xfffff);
rtlpcipriv->bt_coexist.bt_rfreg_origin_1f
= rtl_get_rfreg(hw, (enum radio_path)0, RF_RCK2, 0xf0);
rtlpcipriv->bt_coexist.cstate = 0;
rtlpcipriv->bt_coexist.previous_state = 0;
rtlpcipriv->bt_coexist.cstate_h = 0;
rtlpcipriv->bt_coexist.previous_state_h = 0;
rtlpcipriv->bt_coexist.lps_counter = 0;
/* Enable counter statistics */
rtl_write_byte(rtlpriv, 0x76e, 0x4);
rtl_write_byte(rtlpriv, 0x778, 0x3);
rtl_write_byte(rtlpriv, 0x40, 0x20);
rtlpcipriv->bt_coexist.init_set = true;
}
void rtl8723ae_dm_bt_coexist(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
u8 tmp_byte = 0;
if (!rtlpcipriv->bt_coexist.bt_coexistence) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[DM]{BT], BT not exist!!\n");
return;
}
if (!rtlpcipriv->bt_coexist.init_set) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[DM][BT], rtl8723ae_dm_bt_coexist()\n");
rtl8723ae_dm_init_bt_coexist(hw);
}
tmp_byte = rtl_read_byte(rtlpriv, 0x40);
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
"[DM][BT], 0x40 is 0x%x", tmp_byte);
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG,
"[DM][BT], bt_dm_coexist start");
rtl8723ae_dm_bt_coexist_8723(hw);
}
