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linux/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
Larry Finger 7f3dbb5636 rtlwifi: rtl8192c-common: Fix sparse warning 
Sparse reports the following:

  CHECK   drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:570:34: warning: dubious: !x & y

There should be a parens around the expression.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-09 15:37:55 -05:00

1810 lines
54 KiB
C
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/******************************************************************************
*
* 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 <linux/export.h>
#include "dm_common.h"
#include "phy_common.h"
#include "../pci.h"
#include "../base.h"
#define BT_RSSI_STATE_NORMAL_POWER BIT_OFFSET_LEN_MASK_32(0, 1)
#define BT_RSSI_STATE_AMDPU_OFF BIT_OFFSET_LEN_MASK_32(1, 1)
#define BT_RSSI_STATE_SPECIAL_LOW BIT_OFFSET_LEN_MASK_32(2, 1)
#define BT_RSSI_STATE_BG_EDCA_LOW BIT_OFFSET_LEN_MASK_32(3, 1)
#define BT_RSSI_STATE_TXPOWER_LOW BIT_OFFSET_LEN_MASK_32(4, 1)
#define RTLPRIV (struct rtl_priv *)
#define GET_UNDECORATED_AVERAGE_RSSI(_priv) \
((RTLPRIV(_priv))->mac80211.opmode == \
NL80211_IFTYPE_ADHOC) ? \
((RTLPRIV(_priv))->dm.entry_min_undec_sm_pwdb) : \
((RTLPRIV(_priv))->dm.undec_sm_pwdb)
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 u32 power_index_reg[6] = {0xc90, 0xc91, 0xc92, 0xc98, 0xc99, 0xc9a};
void dm_restorepowerindex(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 index;
for (index = 0; index < 6; index++)
rtl_write_byte(rtlpriv, power_index_reg[index],
rtlpriv->dm.powerindex_backup[index]);
}
EXPORT_SYMBOL_GPL(dm_restorepowerindex);
void dm_writepowerindex(struct ieee80211_hw *hw, u8 value)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 index;
for (index = 0; index < 6; index++)
rtl_write_byte(rtlpriv, power_index_reg[index], value);
}
EXPORT_SYMBOL_GPL(dm_writepowerindex);
void dm_savepowerindex(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 index;
u8 tmp;
for (index = 0; index < 6; index++) {
tmp = rtl_read_byte(rtlpriv, power_index_reg[index]);
rtlpriv->dm.powerindex_backup[index] = tmp;
}
}
EXPORT_SYMBOL_GPL(dm_savepowerindex);
static void rtl92c_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_LowRssi;
dm_digtable->forbidden_igi = DM_DIG_MIN;
dm_digtable->large_fa_hit = 0;
dm_digtable->recover_cnt = 0;
dm_digtable->dig_dynamic_min = 0x25;
}
static u8 rtl92c_dm_initial_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;
}
if (rssi_val_min > 100)
rssi_val_min = 100;
return (u8)rssi_val_min;
}
static void rtl92c_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);
ret_value = rtl_get_bbreg(hw, ROFDM0_FRAMESYNC, MASKDWORD);
falsealm_cnt->cnt_fast_fsync_fail = (ret_value & 0xffff);
falsealm_cnt->cnt_sb_search_fail = ((ret_value & 0xffff0000) >> 16);
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, 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 if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2)
value_igi += 2;
if (value_igi > DM_DIG_FA_UPPER)
value_igi = DM_DIG_FA_UPPER;
else if (value_igi < DM_DIG_FA_LOWER)
value_igi = DM_DIG_FA_LOWER;
if (rtlpriv->falsealm_cnt.cnt_all > 10000)
value_igi = DM_DIG_FA_UPPER;
dm_digtable->cur_igvalue = value_igi;
rtl92c_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 *digtable = &rtlpriv->dm_digtable;
u32 isbt;
/* modify DIG lower bound, deal with abnorally large false alarm */
if (rtlpriv->falsealm_cnt.cnt_all > 10000) {
digtable->large_fa_hit++;
if (digtable->forbidden_igi < digtable->cur_igvalue) {
digtable->forbidden_igi = digtable->cur_igvalue;
digtable->large_fa_hit = 1;
}
if (digtable->large_fa_hit >= 3) {
if ((digtable->forbidden_igi + 1) >
digtable->rx_gain_max)
digtable->rx_gain_min = digtable->rx_gain_max;
else
digtable->rx_gain_min = (digtable->forbidden_igi + 1);
digtable->recover_cnt = 3600; /* 3600=2hr */
}
} else {
/* Recovery mechanism for IGI lower bound */
if (digtable->recover_cnt != 0) {
digtable->recover_cnt--;
} else {
if (digtable->large_fa_hit == 0) {
if ((digtable->forbidden_igi-1) < DM_DIG_MIN) {
digtable->forbidden_igi = DM_DIG_MIN;
digtable->rx_gain_min = DM_DIG_MIN;
} else {
digtable->forbidden_igi--;
digtable->rx_gain_min = digtable->forbidden_igi + 1;
}
} else if (digtable->large_fa_hit == 3) {
digtable->large_fa_hit = 0;
}
}
}
if (rtlpriv->falsealm_cnt.cnt_all < 250) {
isbt = rtl_read_byte(rtlpriv, 0x4fd) & 0x01;
if (!isbt) {
if (rtlpriv->falsealm_cnt.cnt_all >
digtable->fa_lowthresh) {
if ((digtable->back_val - 2) <
digtable->back_range_min)
digtable->back_val = digtable->back_range_min;
else
digtable->back_val -= 2;
} else if (rtlpriv->falsealm_cnt.cnt_all <
digtable->fa_lowthresh) {
if ((digtable->back_val + 2) >
digtable->back_range_max)
digtable->back_val = digtable->back_range_max;
else
digtable->back_val += 2;
}
} else {
digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
}
} else {
/* Adjust initial gain by false alarm */
if (rtlpriv->falsealm_cnt.cnt_all > 1000)
digtable->cur_igvalue = digtable->pre_igvalue + 2;
else if (rtlpriv->falsealm_cnt.cnt_all > 750)
digtable->cur_igvalue = digtable->pre_igvalue + 1;
else if (rtlpriv->falsealm_cnt.cnt_all < 500)
digtable->cur_igvalue = digtable->pre_igvalue - 1;
}
/* Check initial gain by upper/lower bound */
if (digtable->cur_igvalue > digtable->rx_gain_max)
digtable->cur_igvalue = digtable->rx_gain_max;
if (digtable->cur_igvalue < digtable->rx_gain_min)
digtable->cur_igvalue = digtable->rx_gain_min;
rtl92c_dm_write_dig(hw);
}
static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
{
static u8 initialized; /* initialized to false */
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
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) {
initialized = false;
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
return;
} else if (initialized == false) {
initialized = true;
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
dm_digtable->cur_igvalue = 0x20;
rtl92c_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;
rtl92c_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;
rtl92c_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 rtl92c_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 =
rtl92c_dm_initial_gain_min_pwdb(hw);
if (dm_digtable->rssi_val_min > 100)
dm_digtable->rssi_val_min = 100;
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;
rtl92c_dm_write_dig(hw);
}
}
static void rtl92c_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 = rtl92c_dm_initial_gain_min_pwdb(hw);
if (dm_digtable->rssi_val_min > 100)
dm_digtable->rssi_val_min = 100;
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) ||
(dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_MAX))
rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0x83);
else
rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
dm_digtable->pre_cck_pd_state = dm_digtable->cur_cck_pd_state;
}
}
static void rtl92c_dm_ctrl_initgain_by_twoport(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));
if (mac->act_scanning)
return;
if (mac->link_state >= MAC80211_LINKED)
dm_digtable->cursta_cstate = DIG_STA_CONNECT;
else
dm_digtable->cursta_cstate = DIG_STA_DISCONNECT;
dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
rtl92c_dm_initial_gain_sta(hw);
rtl92c_dm_initial_gain_multi_sta(hw);
rtl92c_dm_cck_packet_detection_thresh(hw);
dm_digtable->presta_cstate = dm_digtable->cursta_cstate;
}
static void rtl92c_dm_dig(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
if (rtlpriv->dm.dm_initialgain_enable == false)
return;
if (!(rtlpriv->dm.dm_flag & DYNAMIC_FUNC_DIG))
return;
rtl92c_dm_ctrl_initgain_by_twoport(hw);
}
static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
if (rtlpriv->rtlhal.interface == INTF_USB &&
rtlpriv->rtlhal.board_type & 0x1) {
dm_savepowerindex(hw);
rtlpriv->dm.dynamic_txpower_enable = true;
} else {
rtlpriv->dm.dynamic_txpower_enable = false;
}
rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
}
void rtl92c_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 (rtlpriv->rtlhal.interface == INTF_USB &&
!dm_digtable->dig_enable_flag) {
dm_digtable->pre_igvalue = 0x17;
return;
}
dm_digtable->cur_igvalue -= 1;
if (dm_digtable->cur_igvalue < DM_DIG_MIN)
dm_digtable->cur_igvalue = DM_DIG_MIN;
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;
}
RT_TRACE(rtlpriv, COMP_DIG, DBG_WARNING,
"dig values 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
dm_digtable->rssi_val_min, dm_digtable->back_val,
dm_digtable->rx_gain_max, dm_digtable->rx_gain_min,
dm_digtable->large_fa_hit, dm_digtable->forbidden_igi);
}
EXPORT_SYMBOL(rtl92c_dm_write_dig);
static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff;
if (mac->link_state != MAC80211_LINKED)
return;
if (mac->opmode == NL80211_IFTYPE_ADHOC ||
mac->opmode == NL80211_IFTYPE_AP) {
/* TODO: Handle ADHOC and AP Mode */
}
if (tmpentry_max_pwdb != 0)
rtlpriv->dm.entry_max_undec_sm_pwdb = tmpentry_max_pwdb;
else
rtlpriv->dm.entry_max_undec_sm_pwdb = 0;
if (tmpentry_min_pwdb != 0xff)
rtlpriv->dm.entry_min_undec_sm_pwdb = tmpentry_min_pwdb;
else
rtlpriv->dm.entry_min_undec_sm_pwdb = 0;
/* TODO:
* if (mac->opmode == NL80211_IFTYPE_STATION) {
* if (rtlpriv->rtlhal.fw_ready) {
* u32 param = (u32)(rtlpriv->dm.undec_sm_pwdb << 16);
* rtl8192c_set_rssi_cmd(hw, param);
* }
* }
*/
}
void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtlpriv->dm.current_turbo_edca = false;
rtlpriv->dm.is_any_nonbepkts = false;
rtlpriv->dm.is_cur_rdlstate = false;
}
EXPORT_SYMBOL(rtl92c_dm_init_edca_turbo);
static void rtl92c_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));
static u64 last_txok_cnt;
static u64 last_rxok_cnt;
static u32 last_bt_edca_ul;
static u32 last_bt_edca_dl;
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 ((last_bt_edca_ul != rtlpcipriv->bt_coexist.bt_edca_ul) ||
(last_bt_edca_dl != rtlpcipriv->bt_coexist.bt_edca_dl)) {
rtlpriv->dm.current_turbo_edca = false;
last_bt_edca_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
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 - last_txok_cnt;
cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - 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,
&tmp);
rtlpriv->dm.current_turbo_edca = false;
}
}
rtlpriv->dm.is_any_nonbepkts = false;
last_txok_cnt = rtlpriv->stats.txbytesunicast;
last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
}
static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw
*hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_phy *rtlphy = &(rtlpriv->phy);
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
u8 thermalvalue, delta, delta_lck, delta_iqk;
long ele_a, ele_d, temp_cck, val_x, value32;
long val_y, ele_c = 0;
u8 ofdm_index[2], ofdm_index_old[2] = {0, 0}, cck_index_old = 0;
s8 cck_index = 0;
int i;
bool is2t = IS_92C_SERIAL(rtlhal->version);
s8 txpwr_level[3] = {0, 0, 0};
u8 ofdm_min_index = 6, rf;
rtlpriv->dm.txpower_trackinginit = true;
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"rtl92c_dm_txpower_tracking_callback_thermalmeter\n");
thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x\n",
thermalvalue, rtlpriv->dm.thermalvalue,
rtlefuse->eeprom_thermalmeter);
rtl92c_phy_ap_calibrate(hw, (thermalvalue -
rtlefuse->eeprom_thermalmeter));
if (is2t)
rf = 2;
else
rf = 1;
if (thermalvalue) {
ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
MASKDWORD) & MASKOFDM_D;
for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
ofdm_index_old[0] = (u8) i;
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"Initial pathA ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
ROFDM0_XATXIQIMBALANCE,
ele_d, ofdm_index_old[0]);
break;
}
}
if (is2t) {
ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
MASKDWORD) & MASKOFDM_D;
for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
if (ele_d == (ofdmswing_table[i] &
MASKOFDM_D)) {
ofdm_index_old[1] = (u8) i;
RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
DBG_LOUD,
"Initial pathB ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
ROFDM0_XBTXIQIMBALANCE, ele_d,
ofdm_index_old[1]);
break;
}
}
}
temp_cck =
rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK;
for (i = 0; i < CCK_TABLE_LENGTH; i++) {
if (rtlpriv->dm.cck_inch14) {
if (memcmp((void *)&temp_cck,
(void *)&cckswing_table_ch14[i][2],
4) == 0) {
cck_index_old = (u8) i;
RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
DBG_LOUD,
"Initial reg0x%x = 0x%lx, cck_index=0x%x, ch 14 %d\n",
RCCK0_TXFILTER2, temp_cck,
cck_index_old,
rtlpriv->dm.cck_inch14);
break;
}
} else {
if (memcmp((void *)&temp_cck,
(void *)
&cckswing_table_ch1ch13[i][2],
4) == 0) {
cck_index_old = (u8) i;
RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
DBG_LOUD,
"Initial reg0x%x = 0x%lx, cck_index=0x%x, ch14 %d\n",
RCCK0_TXFILTER2, temp_cck,
cck_index_old,
rtlpriv->dm.cck_inch14);
break;
}
}
}
if (!rtlpriv->dm.thermalvalue) {
rtlpriv->dm.thermalvalue =
rtlefuse->eeprom_thermalmeter;
rtlpriv->dm.thermalvalue_lck = thermalvalue;
rtlpriv->dm.thermalvalue_iqk = thermalvalue;
for (i = 0; i < rf; i++)
rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
rtlpriv->dm.cck_index = cck_index_old;
}
/* Handle USB High PA boards */
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);
if (delta_lck > 1) {
rtlpriv->dm.thermalvalue_lck = thermalvalue;
rtl92c_phy_lc_calibrate(hw);
}
if (delta > 0 && rtlpriv->dm.txpower_track_control) {
if (thermalvalue > rtlpriv->dm.thermalvalue) {
for (i = 0; i < rf; i++)
rtlpriv->dm.ofdm_index[i] -= delta;
rtlpriv->dm.cck_index -= delta;
} else {
for (i = 0; i < rf; i++)
rtlpriv->dm.ofdm_index[i] += delta;
rtlpriv->dm.cck_index += delta;
}
if (is2t) {
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"temp OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
rtlpriv->dm.ofdm_index[0],
rtlpriv->dm.ofdm_index[1],
rtlpriv->dm.cck_index);
} else {
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"temp OFDM_A_index=0x%x, cck_index=0x%x\n",
rtlpriv->dm.ofdm_index[0],
rtlpriv->dm.cck_index);
}
if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
for (i = 0; i < rf; i++)
ofdm_index[i] =
rtlpriv->dm.ofdm_index[i]
+ 1;
cck_index = rtlpriv->dm.cck_index + 1;
} else {
for (i = 0; i < rf; i++)
ofdm_index[i] =
rtlpriv->dm.ofdm_index[i];
cck_index = rtlpriv->dm.cck_index;
}
for (i = 0; i < rf; i++) {
if (txpwr_level[i] >= 0 &&
txpwr_level[i] <= 26) {
if (thermalvalue >
rtlefuse->eeprom_thermalmeter) {
if (delta < 5)
ofdm_index[i] -= 1;
else
ofdm_index[i] -= 2;
} else if (delta > 5 && thermalvalue <
rtlefuse->
eeprom_thermalmeter) {
ofdm_index[i] += 1;
}
} else if (txpwr_level[i] >= 27 &&
txpwr_level[i] <= 32
&& thermalvalue >
rtlefuse->eeprom_thermalmeter) {
if (delta < 5)
ofdm_index[i] -= 1;
else
ofdm_index[i] -= 2;
} else if (txpwr_level[i] >= 32 &&
txpwr_level[i] <= 38 &&
thermalvalue >
rtlefuse->eeprom_thermalmeter
&& delta > 5) {
ofdm_index[i] -= 1;
}
}
if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) {
if (thermalvalue >
rtlefuse->eeprom_thermalmeter) {
if (delta < 5)
cck_index -= 1;
else
cck_index -= 2;
} else if (delta > 5 && thermalvalue <
rtlefuse->eeprom_thermalmeter) {
cck_index += 1;
}
} else if (txpwr_level[i] >= 27 &&
txpwr_level[i] <= 32 &&
thermalvalue >
rtlefuse->eeprom_thermalmeter) {
if (delta < 5)
cck_index -= 1;
else
cck_index -= 2;
} else if (txpwr_level[i] >= 32 &&
txpwr_level[i] <= 38 &&
thermalvalue > rtlefuse->eeprom_thermalmeter
&& delta > 5) {
cck_index -= 1;
}
for (i = 0; i < rf; i++) {
if (ofdm_index[i] > OFDM_TABLE_SIZE - 1)
ofdm_index[i] = OFDM_TABLE_SIZE - 1;
else if (ofdm_index[i] < ofdm_min_index)
ofdm_index[i] = ofdm_min_index;
}
if (cck_index > CCK_TABLE_SIZE - 1)
cck_index = CCK_TABLE_SIZE - 1;
else if (cck_index < 0)
cck_index = 0;
if (is2t) {
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"new OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
ofdm_index[0], ofdm_index[1],
cck_index);
} else {
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"new OFDM_A_index=0x%x, cck_index=0x%x\n",
ofdm_index[0], cck_index);
}
}
if (rtlpriv->dm.txpower_track_control && delta != 0) {
ele_d =
(ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
val_x = rtlphy->reg_e94;
val_y = rtlphy->reg_e9c;
if (val_x != 0) {
if ((val_x & 0x00000200) != 0)
val_x = val_x | 0xFFFFFC00;
ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
if ((val_y & 0x00000200) != 0)
val_y = val_y | 0xFFFFFC00;
ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;
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 = ((val_x * ele_d) >> 7) & 0x01;
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
BIT(31), value32);
value32 = ((val_y * ele_d) >> 7) & 0x01;
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
BIT(29), value32);
} else {
rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
MASKDWORD,
ofdmswing_table[ofdm_index[0]]);
rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
0x00);
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
BIT(31) | BIT(29), 0x00);
}
if (!rtlpriv->dm.cck_inch14) {
rtl_write_byte(rtlpriv, 0xa22,
cckswing_table_ch1ch13[cck_index]
[0]);
rtl_write_byte(rtlpriv, 0xa23,
cckswing_table_ch1ch13[cck_index]
[1]);
rtl_write_byte(rtlpriv, 0xa24,
cckswing_table_ch1ch13[cck_index]
[2]);
rtl_write_byte(rtlpriv, 0xa25,
cckswing_table_ch1ch13[cck_index]
[3]);
rtl_write_byte(rtlpriv, 0xa26,
cckswing_table_ch1ch13[cck_index]
[4]);
rtl_write_byte(rtlpriv, 0xa27,
cckswing_table_ch1ch13[cck_index]
[5]);
rtl_write_byte(rtlpriv, 0xa28,
cckswing_table_ch1ch13[cck_index]
[6]);
rtl_write_byte(rtlpriv, 0xa29,
cckswing_table_ch1ch13[cck_index]
[7]);
} else {
rtl_write_byte(rtlpriv, 0xa22,
cckswing_table_ch14[cck_index]
[0]);
rtl_write_byte(rtlpriv, 0xa23,
cckswing_table_ch14[cck_index]
[1]);
rtl_write_byte(rtlpriv, 0xa24,
cckswing_table_ch14[cck_index]
[2]);
rtl_write_byte(rtlpriv, 0xa25,
cckswing_table_ch14[cck_index]
[3]);
rtl_write_byte(rtlpriv, 0xa26,
cckswing_table_ch14[cck_index]
[4]);
rtl_write_byte(rtlpriv, 0xa27,
cckswing_table_ch14[cck_index]
[5]);
rtl_write_byte(rtlpriv, 0xa28,
cckswing_table_ch14[cck_index]
[6]);
rtl_write_byte(rtlpriv, 0xa29,
cckswing_table_ch14[cck_index]
[7]);
}
if (is2t) {
ele_d = (ofdmswing_table[ofdm_index[1]] &
0xFFC00000) >> 22;
val_x = rtlphy->reg_eb4;
val_y = rtlphy->reg_ebc;
if (val_x != 0) {
if ((val_x & 0x00000200) != 0)
val_x = val_x | 0xFFFFFC00;
ele_a = ((val_x * ele_d) >> 8) &
0x000003FF;
if ((val_y & 0x00000200) != 0)
val_y = val_y | 0xFFFFFC00;
ele_c = ((val_y * ele_d) >> 8) &
0x00003FF;
value32 = (ele_d << 22) |
((ele_c & 0x3F) << 16) | ele_a;
rtl_set_bbreg(hw,
ROFDM0_XBTXIQIMBALANCE,
MASKDWORD, value32);
value32 = (ele_c & 0x000003C0) >> 6;
rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
MASKH4BITS, value32);
value32 = ((val_x * ele_d) >> 7) & 0x01;
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
BIT(27), value32);
value32 = ((val_y * ele_d) >> 7) & 0x01;
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
BIT(25), value32);
} else {
rtl_set_bbreg(hw,
ROFDM0_XBTXIQIMBALANCE,
MASKDWORD,
ofdmswing_table[ofdm_index
[1]]);
rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
MASKH4BITS, 0x00);
rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
BIT(27) | BIT(25), 0x00);
}
}
}
if (delta_iqk > 3) {
rtlpriv->dm.thermalvalue_iqk = thermalvalue;
rtl92c_phy_iq_calibrate(hw, false);
}
if (rtlpriv->dm.txpower_track_control)
rtlpriv->dm.thermalvalue = thermalvalue;
}
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===\n");
}
static void rtl92c_dm_initialize_txpower_tracking_thermalmeter(
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);
}
static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
{
rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw);
}
static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw)
{
rtl92c_dm_txpower_tracking_callback_thermalmeter(hw);
}
static void rtl92c_dm_check_txpower_tracking_thermal_meter(
struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
static u8 tm_trigger;
if (!rtlpriv->dm.txpower_tracking)
return;
if (!tm_trigger) {
rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK,
0x60);
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"Trigger 92S Thermal Meter!!\n");
tm_trigger = 1;
return;
} else {
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
"Schedule TxPowerTracking direct call!!\n");
rtl92c_dm_txpower_tracking_directcall(hw);
tm_trigger = 0;
}
}
void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw)
{
rtl92c_dm_check_txpower_tracking_thermal_meter(hw);
}
EXPORT_SYMBOL(rtl92c_dm_check_txpower_tracking);
void rtl92c_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;
}
EXPORT_SYMBOL(rtl92c_dm_init_rate_adaptive_mask);
static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
dm_pstable->pre_ccastate = CCA_MAX;
dm_pstable->cur_ccasate = CCA_MAX;
dm_pstable->pre_rfstate = RF_MAX;
dm_pstable->cur_rfstate = RF_MAX;
dm_pstable->rssi_val_min = 0;
}
void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_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 (!bforce_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,
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);
}
dm_pstable->pre_rfstate = dm_pstable->cur_rfstate;
}
}
EXPORT_SYMBOL(rtl92c_dm_rf_saving);
static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
/* Determine the minimum RSSI */
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);
}
/* Power Saving for 92C */
if (IS_92C_SERIAL(rtlhal->version))
;/* rtl92c_dm_1r_cca(hw); */
else
rtl92c_dm_rf_saving(hw, false);
}
void rtl92c_dm_init(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
rtlpriv->dm.dm_flag = DYNAMIC_FUNC_DISABLE | DYNAMIC_FUNC_DIG;
rtlpriv->dm.undec_sm_pwdb = -1;
rtlpriv->dm.undec_sm_cck = -1;
rtlpriv->dm.dm_initialgain_enable = true;
rtl92c_dm_diginit(hw);
rtlpriv->dm.dm_flag |= HAL_DM_HIPWR_DISABLE;
rtl92c_dm_init_dynamic_txpower(hw);
rtl92c_dm_init_edca_turbo(hw);
rtl92c_dm_init_rate_adaptive_mask(hw);
rtlpriv->dm.dm_flag |= DYNAMIC_FUNC_SS;
rtl92c_dm_initialize_txpower_tracking(hw);
rtl92c_dm_init_dynamic_bb_powersaving(hw);
rtlpriv->dm.ofdm_pkt_cnt = 0;
rtlpriv->dm.dm_rssi_sel = RSSI_DEFAULT;
}
EXPORT_SYMBOL(rtl92c_dm_init);
void rtl92c_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 to any\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_LEVEL2;
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);
rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
if (rtlpriv->dm.dynamic_txhighpower_lvl ==
TXHIGHPWRLEVEL_NORMAL)
dm_restorepowerindex(hw);
else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
TXHIGHPWRLEVEL_LEVEL1)
dm_writepowerindex(hw, 0x14);
else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
TXHIGHPWRLEVEL_LEVEL2)
dm_writepowerindex(hw, 0x10);
}
rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
}
void rtl92c_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;
if ((ppsc->rfpwr_state == ERFON) && ((!fw_current_inpsmode) &&
fw_ps_awake)
&& (!ppsc->rfchange_inprogress)) {
rtl92c_dm_pwdb_monitor(hw);
rtl92c_dm_dig(hw);
rtl92c_dm_false_alarm_counter_statistics(hw);
rtl92c_dm_dynamic_bb_powersaving(hw);
rtl92c_dm_dynamic_txpower(hw);
rtl92c_dm_check_txpower_tracking(hw);
/* rtl92c_dm_refresh_rate_adaptive_mask(hw); */
rtl92c_dm_bt_coexist(hw);
rtl92c_dm_check_edca_turbo(hw);
}
}
EXPORT_SYMBOL(rtl92c_dm_watchdog);
u8 rtl92c_bt_rssi_state_change(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
long undec_sm_pwdb;
u8 curr_bt_rssi_state = 0x00;
if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
undec_sm_pwdb = GET_UNDECORATED_AVERAGE_RSSI(rtlpriv);
} else {
if (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)
undec_sm_pwdb = 100;
else
undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
}
/* Check RSSI to determine HighPower/NormalPower state for
* BT coexistence. */
if (undec_sm_pwdb >= 67)
curr_bt_rssi_state &= (~BT_RSSI_STATE_NORMAL_POWER);
else if (undec_sm_pwdb < 62)
curr_bt_rssi_state |= BT_RSSI_STATE_NORMAL_POWER;
/* Check RSSI to determine AMPDU setting for BT coexistence. */
if (undec_sm_pwdb >= 40)
curr_bt_rssi_state &= (~BT_RSSI_STATE_AMDPU_OFF);
else if (undec_sm_pwdb <= 32)
curr_bt_rssi_state |= BT_RSSI_STATE_AMDPU_OFF;
/* Marked RSSI state. It will be used to determine BT coexistence
* setting later. */
if (undec_sm_pwdb < 35)
curr_bt_rssi_state |= BT_RSSI_STATE_SPECIAL_LOW;
else
curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW);
/* Check BT state related to BT_Idle in B/G mode. */
if (undec_sm_pwdb < 15)
curr_bt_rssi_state |= BT_RSSI_STATE_BG_EDCA_LOW;
else
curr_bt_rssi_state &= (~BT_RSSI_STATE_BG_EDCA_LOW);
if (curr_bt_rssi_state != rtlpcipriv->bt_coexist.bt_rssi_state) {
rtlpcipriv->bt_coexist.bt_rssi_state = curr_bt_rssi_state;
return true;
} else {
return false;
}
}
EXPORT_SYMBOL(rtl92c_bt_rssi_state_change);
static bool rtl92c_bt_state_change(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
u32 polling, ratio_tx, ratio_pri;
u32 bt_tx, bt_pri;
u8 bt_state;
u8 cur_service_type;
if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
return false;
bt_state = rtl_read_byte(rtlpriv, 0x4fd);
bt_tx = rtl_read_dword(rtlpriv, 0x488);
bt_tx = bt_tx & 0x00ffffff;
bt_pri = rtl_read_dword(rtlpriv, 0x48c);
bt_pri = bt_pri & 0x00ffffff;
polling = rtl_read_dword(rtlpriv, 0x490);
if (bt_tx == 0xffffffff && bt_pri == 0xffffffff &&
polling == 0xffffffff && bt_state == 0xff)
return false;
bt_state &= BIT_OFFSET_LEN_MASK_32(0, 1);
if (bt_state != rtlpcipriv->bt_coexist.bt_cur_state) {
rtlpcipriv->bt_coexist.bt_cur_state = bt_state;
if (rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
rtlpcipriv->bt_coexist.bt_service = BT_IDLE;
bt_state = bt_state |
((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
BIT_OFFSET_LEN_MASK_32(2, 1);
rtl_write_byte(rtlpriv, 0x4fd, bt_state);
}
return true;
}
ratio_tx = bt_tx * 1000 / polling;
ratio_pri = bt_pri * 1000 / polling;
rtlpcipriv->bt_coexist.ratio_tx = ratio_tx;
rtlpcipriv->bt_coexist.ratio_pri = ratio_pri;
if (bt_state && rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
if ((ratio_tx < 30) && (ratio_pri < 30))
cur_service_type = BT_IDLE;
else if ((ratio_pri > 110) && (ratio_pri < 250))
cur_service_type = BT_SCO;
else if ((ratio_tx >= 200) && (ratio_pri >= 200))
cur_service_type = BT_BUSY;
else if ((ratio_tx >= 350) && (ratio_tx < 500))
cur_service_type = BT_OTHERBUSY;
else if (ratio_tx >= 500)
cur_service_type = BT_PAN;
else
cur_service_type = BT_OTHER_ACTION;
if (cur_service_type != rtlpcipriv->bt_coexist.bt_service) {
rtlpcipriv->bt_coexist.bt_service = cur_service_type;
bt_state = bt_state |
((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) ?
0 : BIT_OFFSET_LEN_MASK_32(2, 1));
/* Add interrupt migration when bt is not ini
* idle state (no traffic). */
if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
rtl_write_word(rtlpriv, 0x504, 0x0ccc);
rtl_write_byte(rtlpriv, 0x506, 0x54);
rtl_write_byte(rtlpriv, 0x507, 0x54);
} else {
rtl_write_byte(rtlpriv, 0x506, 0x00);
rtl_write_byte(rtlpriv, 0x507, 0x00);
}
rtl_write_byte(rtlpriv, 0x4fd, bt_state);
return true;
}
}
return false;
}
static bool rtl92c_bt_wifi_connect_change(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
static bool media_connect;
if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
media_connect = false;
} else {
if (!media_connect) {
media_connect = true;
return true;
}
media_connect = true;
}
return false;
}
static void rtl92c_bt_set_normal(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
if (rtlpcipriv->bt_coexist.bt_service == BT_OTHERBUSY) {
rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72b;
rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72b;
} else if (rtlpcipriv->bt_coexist.bt_service == BT_BUSY) {
rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82f;
rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82f;
} else if (rtlpcipriv->bt_coexist.bt_service == BT_SCO) {
if (rtlpcipriv->bt_coexist.ratio_tx > 160) {
rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72f;
rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72f;
} else {
rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea32b;
rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea42b;
}
} else {
rtlpcipriv->bt_coexist.bt_edca_ul = 0;
rtlpcipriv->bt_coexist.bt_edca_dl = 0;
}
if ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) &&
(rtlpriv->mac80211.mode == WIRELESS_MODE_G ||
(rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) &&
(rtlpcipriv->bt_coexist.bt_rssi_state &
BT_RSSI_STATE_BG_EDCA_LOW)) {
rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82b;
rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82b;
}
}
static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw, u8 tmp1byte)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
/* Only enable HW BT coexist when BT in "Busy" state. */
if (rtlpriv->mac80211.vendor == PEER_CISCO &&
rtlpcipriv->bt_coexist.bt_service == BT_OTHER_ACTION) {
rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
} else {
if ((rtlpcipriv->bt_coexist.bt_service == BT_BUSY) &&
(rtlpcipriv->bt_coexist.bt_rssi_state &
BT_RSSI_STATE_NORMAL_POWER)) {
rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
} else if ((rtlpcipriv->bt_coexist.bt_service ==
BT_OTHER_ACTION) && (rtlpriv->mac80211.mode <
WIRELESS_MODE_N_24G) &&
(rtlpcipriv->bt_coexist.bt_rssi_state &
BT_RSSI_STATE_SPECIAL_LOW)) {
rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
} else if (rtlpcipriv->bt_coexist.bt_service == BT_PAN) {
rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
} else {
rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
}
}
if (rtlpcipriv->bt_coexist.bt_service == BT_PAN)
rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100);
else
rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0);
if (rtlpcipriv->bt_coexist.bt_rssi_state &
BT_RSSI_STATE_NORMAL_POWER) {
rtl92c_bt_set_normal(hw);
} else {
rtlpcipriv->bt_coexist.bt_edca_ul = 0;
rtlpcipriv->bt_coexist.bt_edca_dl = 0;
}
if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
rtlpriv->cfg->ops->set_rfreg(hw,
RF90_PATH_A,
0x1e,
0xf0, 0xf);
} else {
rtlpriv->cfg->ops->set_rfreg(hw,
RF90_PATH_A, 0x1e, 0xf0,
rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
}
if (!rtlpriv->dm.dynamic_txpower_enable) {
if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
if (rtlpcipriv->bt_coexist.bt_rssi_state &
BT_RSSI_STATE_TXPOWER_LOW) {
rtlpriv->dm.dynamic_txhighpower_lvl =
TXHIGHPWRLEVEL_BT2;
} else {
rtlpriv->dm.dynamic_txhighpower_lvl =
TXHIGHPWRLEVEL_BT1;
}
} else {
rtlpriv->dm.dynamic_txhighpower_lvl =
TXHIGHPWRLEVEL_NORMAL;
}
rtl92c_phy_set_txpower_level(hw,
rtlpriv->phy.current_channel);
}
}
static void rtl92c_check_bt_change(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
u8 tmp1byte = 0;
if (IS_81xxC_VENDOR_UMC_B_CUT(rtlhal->version) &&
rtlpcipriv->bt_coexist.bt_coexistence)
tmp1byte |= BIT(5);
if (rtlpcipriv->bt_coexist.bt_cur_state) {
if (rtlpcipriv->bt_coexist.bt_ant_isolation)
rtl92c_bt_ant_isolation(hw, tmp1byte);
} else {
rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
rtlpriv->cfg->ops->set_rfreg(hw, RF90_PATH_A, 0x1e, 0xf0,
rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
rtlpcipriv->bt_coexist.bt_edca_ul = 0;
rtlpcipriv->bt_coexist.bt_edca_dl = 0;
}
}
void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw)
{
struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
bool wifi_connect_change;
bool bt_state_change;
bool rssi_state_change;
if ((rtlpcipriv->bt_coexist.bt_coexistence) &&
(rtlpcipriv->bt_coexist.bt_coexist_type == BT_CSR_BC4)) {
wifi_connect_change = rtl92c_bt_wifi_connect_change(hw);
bt_state_change = rtl92c_bt_state_change(hw);
rssi_state_change = rtl92c_bt_rssi_state_change(hw);
if (wifi_connect_change || bt_state_change || rssi_state_change)
rtl92c_check_bt_change(hw);
}
}
EXPORT_SYMBOL(rtl92c_dm_bt_coexist);
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