rtlwifi: rtl8192c: Update dynamic gain calculations
The vendor driver contained a number of improvements in the gain settings
for the rtl8192c{e,u} devices. This patch implements them in the kernel
driver.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Larry Finger
John W. Linville
parent
d82403a9f4
commit
796e453436
@ -216,7 +216,12 @@ static void rtl92c_dm_diginit(struct ieee80211_hw *hw)
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dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
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dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
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dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
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dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX;
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dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LowRssi;
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dm_digtable->forbidden_igi = DM_DIG_MIN;
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dm_digtable->large_fa_hit = 0;
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dm_digtable->recover_cnt = 0;
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dm_digtable->dig_dynamic_min = 0x25;
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}
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static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw)
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@ -242,7 +247,9 @@ static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw)
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rssi_val_min = rtlpriv->dm.entry_min_undec_sm_pwdb;
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}
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return (u8) rssi_val_min;
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if (rssi_val_min > 100)
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rssi_val_min = 100;
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return (u8)rssi_val_min;
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}
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static void rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
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@ -260,9 +267,17 @@ static void rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
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ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
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falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
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ret_value = rtl_get_bbreg(hw, ROFDM0_FRAMESYNC, MASKDWORD);
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falsealm_cnt->cnt_fast_fsync_fail = (ret_value & 0xffff);
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falsealm_cnt->cnt_sb_search_fail = ((ret_value & 0xffff0000) >> 16);
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falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
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falsealm_cnt->cnt_rate_illegal +
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falsealm_cnt->cnt_crc8_fail + falsealm_cnt->cnt_mcs_fail;
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falsealm_cnt->cnt_rate_illegal +
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falsealm_cnt->cnt_crc8_fail +
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falsealm_cnt->cnt_mcs_fail +
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falsealm_cnt->cnt_fast_fsync_fail +
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falsealm_cnt->cnt_sb_search_fail;
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rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1);
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ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0);
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@ -307,12 +322,14 @@ static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw)
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value_igi++;
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else if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2)
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value_igi += 2;
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if (value_igi > DM_DIG_FA_UPPER)
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value_igi = DM_DIG_FA_UPPER;
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else if (value_igi < DM_DIG_FA_LOWER)
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value_igi = DM_DIG_FA_LOWER;
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if (rtlpriv->falsealm_cnt.cnt_all > 10000)
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value_igi = 0x32;
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value_igi = DM_DIG_FA_UPPER;
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dm_digtable->cur_igvalue = value_igi;
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rtl92c_dm_write_dig(hw);
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@ -322,32 +339,80 @@ static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct dig_t *digtable = &rtlpriv->dm_digtable;
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u32 isbt;
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if (rtlpriv->falsealm_cnt.cnt_all > digtable->fa_highthresh) {
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if ((digtable->back_val - 2) < digtable->back_range_min)
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digtable->back_val = digtable->back_range_min;
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else
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digtable->back_val -= 2;
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} else if (rtlpriv->falsealm_cnt.cnt_all < digtable->fa_lowthresh) {
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if ((digtable->back_val + 2) > digtable->back_range_max)
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digtable->back_val = digtable->back_range_max;
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else
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digtable->back_val += 2;
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/* modify DIG lower bound, deal with abnorally large false alarm */
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if (rtlpriv->falsealm_cnt.cnt_all > 10000) {
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digtable->large_fa_hit++;
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if (digtable->forbidden_igi < digtable->cur_igvalue) {
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digtable->forbidden_igi = digtable->cur_igvalue;
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digtable->large_fa_hit = 1;
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}
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if (digtable->large_fa_hit >= 3) {
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if ((digtable->forbidden_igi + 1) >
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digtable->rx_gain_max)
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digtable->rx_gain_min = digtable->rx_gain_max;
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else
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digtable->rx_gain_min = (digtable->forbidden_igi + 1);
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digtable->recover_cnt = 3600; /* 3600=2hr */
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}
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} else {
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/* Recovery mechanism for IGI lower bound */
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if (digtable->recover_cnt != 0) {
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digtable->recover_cnt--;
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} else {
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if (digtable->large_fa_hit == 0) {
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if ((digtable->forbidden_igi-1) < DM_DIG_MIN) {
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digtable->forbidden_igi = DM_DIG_MIN;
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digtable->rx_gain_min = DM_DIG_MIN;
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} else {
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digtable->forbidden_igi--;
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digtable->rx_gain_min = digtable->forbidden_igi + 1;
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}
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} else if (digtable->large_fa_hit == 3) {
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digtable->large_fa_hit = 0;
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}
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}
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}
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if (rtlpriv->falsealm_cnt.cnt_all < 250) {
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isbt = rtl_read_byte(rtlpriv, 0x4fd) & 0x01;
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if (!isbt) {
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if (rtlpriv->falsealm_cnt.cnt_all >
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digtable->fa_lowthresh) {
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if ((digtable->back_val - 2) <
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digtable->back_range_min)
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digtable->back_val = digtable->back_range_min;
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else
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digtable->back_val -= 2;
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} else if (rtlpriv->falsealm_cnt.cnt_all <
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digtable->fa_lowthresh) {
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if ((digtable->back_val + 2) >
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digtable->back_range_max)
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digtable->back_val = digtable->back_range_max;
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else
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digtable->back_val += 2;
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}
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} else {
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digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
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}
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} else {
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/* Adjust initial gain by false alarm */
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if (rtlpriv->falsealm_cnt.cnt_all > 1000)
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digtable->cur_igvalue = digtable->pre_igvalue + 2;
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else if (rtlpriv->falsealm_cnt.cnt_all > 750)
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digtable->cur_igvalue = digtable->pre_igvalue + 1;
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else if (rtlpriv->falsealm_cnt.cnt_all < 500)
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digtable->cur_igvalue = digtable->pre_igvalue - 1;
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}
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if ((digtable->rssi_val_min + 10 - digtable->back_val) >
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digtable->rx_gain_max)
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/* Check initial gain by upper/lower bound */
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if (digtable->cur_igvalue > digtable->rx_gain_max)
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digtable->cur_igvalue = digtable->rx_gain_max;
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else if ((digtable->rssi_val_min + 10 -
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digtable->back_val) < digtable->rx_gain_min)
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digtable->cur_igvalue = digtable->rx_gain_min;
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else
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digtable->cur_igvalue = digtable->rssi_val_min + 10 -
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digtable->back_val;
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RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
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"rssi_val_min = %x back_val %x\n",
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digtable->rssi_val_min, digtable->back_val);
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if (digtable->cur_igvalue < digtable->rx_gain_min)
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digtable->cur_igvalue = digtable->rx_gain_min;
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rtl92c_dm_write_dig(hw);
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}
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@ -365,7 +430,7 @@ static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
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multi_sta = true;
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if (!multi_sta ||
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dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) {
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dm_digtable->cursta_cstate == DIG_STA_DISCONNECT) {
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initialized = false;
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dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
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return;
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@ -411,7 +476,6 @@ static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw)
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RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
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"presta_cstate = %x, cursta_cstate = %x\n",
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dm_digtable->presta_cstate, dm_digtable->cursta_cstate);
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if (dm_digtable->presta_cstate == dm_digtable->cursta_cstate ||
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dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT ||
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dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
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@ -419,6 +483,8 @@ static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw)
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if (dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) {
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dm_digtable->rssi_val_min =
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rtl92c_dm_initial_gain_min_pwdb(hw);
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if (dm_digtable->rssi_val_min > 100)
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dm_digtable->rssi_val_min = 100;
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rtl92c_dm_ctrl_initgain_by_rssi(hw);
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}
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} else {
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@ -434,11 +500,12 @@ static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw)
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static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
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struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
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if (dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
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dm_digtable->rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw);
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if (dm_digtable->rssi_val_min > 100)
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dm_digtable->rssi_val_min = 100;
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if (dm_digtable->pre_cck_pd_state == CCK_PD_STAGE_LowRssi) {
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if (dm_digtable->rssi_val_min <= 25)
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@ -460,48 +527,14 @@ static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
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}
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if (dm_digtable->pre_cck_pd_state != dm_digtable->cur_cck_pd_state) {
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if (dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_LowRssi) {
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if (rtlpriv->falsealm_cnt.cnt_cck_fail > 800)
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dm_digtable->cur_cck_fa_state =
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CCK_FA_STAGE_High;
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else
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dm_digtable->cur_cck_fa_state = CCK_FA_STAGE_Low;
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if (dm_digtable->pre_cck_fa_state !=
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dm_digtable->cur_cck_fa_state) {
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if (dm_digtable->cur_cck_fa_state ==
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CCK_FA_STAGE_Low)
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rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
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0x83);
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else
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rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
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0xcd);
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dm_digtable->pre_cck_fa_state =
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dm_digtable->cur_cck_fa_state;
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}
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rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x40);
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if (IS_92C_SERIAL(rtlhal->version))
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rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
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MASKBYTE2, 0xd7);
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} else {
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if ((dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_LowRssi) ||
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(dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_MAX))
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rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0x83);
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else
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rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
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rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x47);
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if (IS_92C_SERIAL(rtlhal->version))
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rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
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MASKBYTE2, 0xd3);
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}
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dm_digtable->pre_cck_pd_state = dm_digtable->cur_cck_pd_state;
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}
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RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, "CCKPDStage=%x\n",
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dm_digtable->cur_cck_pd_state);
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RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, "is92C=%x\n",
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IS_92C_SERIAL(rtlhal->version));
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}
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static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
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@ -518,6 +551,8 @@ static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
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else
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dm_digtable->cursta_cstate = DIG_STA_DISCONNECT;
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dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
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rtl92c_dm_initial_gain_sta(hw);
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rtl92c_dm_initial_gain_multi_sta(hw);
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rtl92c_dm_cck_packet_detection_thresh(hw);
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@ -529,23 +564,26 @@ static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
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static void rtl92c_dm_dig(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
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if (rtlpriv->dm.dm_initialgain_enable == false)
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return;
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if (dm_digtable->dig_enable_flag == false)
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if (!rtlpriv->dm.dm_flag & DYNAMIC_FUNC_DIG)
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return;
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rtl92c_dm_ctrl_initgain_by_twoport(hw);
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}
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static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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rtlpriv->dm.dynamic_txpower_enable = false;
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if (rtlpriv->rtlhal.interface == INTF_USB &&
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rtlpriv->rtlhal.board_type & 0x1) {
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dm_savepowerindex(hw);
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rtlpriv->dm.dynamic_txpower_enable = true;
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} else {
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rtlpriv->dm.dynamic_txpower_enable = false;
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}
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rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
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rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
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}
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@ -560,9 +598,14 @@ void rtl92c_dm_write_dig(struct ieee80211_hw *hw)
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dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
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dm_digtable->back_val);
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dm_digtable->cur_igvalue += 2;
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if (dm_digtable->cur_igvalue > 0x3f)
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dm_digtable->cur_igvalue = 0x3f;
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if (rtlpriv->rtlhal.interface == INTF_USB &&
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!dm_digtable->dig_enable_flag) {
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dm_digtable->pre_igvalue = 0x17;
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return;
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}
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dm_digtable->cur_igvalue -= 1;
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if (dm_digtable->cur_igvalue < DM_DIG_MIN)
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dm_digtable->cur_igvalue = DM_DIG_MIN;
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if (dm_digtable->pre_igvalue != dm_digtable->cur_igvalue) {
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rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
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@ -572,11 +615,47 @@ void rtl92c_dm_write_dig(struct ieee80211_hw *hw)
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dm_digtable->pre_igvalue = dm_digtable->cur_igvalue;
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}
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RT_TRACE(rtlpriv, COMP_DIG, DBG_WARNING,
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"dig values 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
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dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
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dm_digtable->rssi_val_min, dm_digtable->back_val,
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dm_digtable->rx_gain_max, dm_digtable->rx_gain_min,
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dm_digtable->large_fa_hit, dm_digtable->forbidden_igi);
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}
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EXPORT_SYMBOL(rtl92c_dm_write_dig);
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static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
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long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff;
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if (mac->link_state != MAC80211_LINKED)
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return;
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if (mac->opmode == NL80211_IFTYPE_ADHOC ||
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mac->opmode == NL80211_IFTYPE_AP) {
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/* TODO: Handle ADHOC and AP Mode */
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}
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if (tmpentry_max_pwdb != 0)
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rtlpriv->dm.entry_max_undec_sm_pwdb = tmpentry_max_pwdb;
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else
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rtlpriv->dm.entry_max_undec_sm_pwdb = 0;
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if (tmpentry_min_pwdb != 0xff)
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rtlpriv->dm.entry_min_undec_sm_pwdb = tmpentry_min_pwdb;
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else
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rtlpriv->dm.entry_min_undec_sm_pwdb = 0;
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/* TODO:
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* if (mac->opmode == NL80211_IFTYPE_STATION) {
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* if (rtlpriv->rtlhal.fw_ready) {
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* u32 param = (u32)(rtlpriv->dm.undec_sm_pwdb << 16);
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* rtl8192c_set_rssi_cmd(hw, param);
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* }
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* }
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*/
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}
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void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw)
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@ -786,6 +865,7 @@ static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw
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rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
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rtlpriv->dm.cck_index = cck_index_old;
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}
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/* Handle USB High PA boards */
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delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
|
||||
(thermalvalue - rtlpriv->dm.thermalvalue) :
|
||||
@ -1176,22 +1256,22 @@ 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;
|
||||
static u8 initialize;
|
||||
static u32 reg_874, reg_c70, reg_85c, reg_a74;
|
||||
|
||||
if (initialize == 0) {
|
||||
reg_874 = (rtl_get_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
|
||||
MASKDWORD) & 0x1CC000) >> 14;
|
||||
if (!rtlpriv->reg_init) {
|
||||
rtlpriv->reg_874 = (rtl_get_bbreg(hw,
|
||||
RFPGA0_XCD_RFINTERFACESW,
|
||||
MASKDWORD) & 0x1CC000) >> 14;
|
||||
|
||||
reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
|
||||
MASKDWORD) & BIT(3)) >> 3;
|
||||
rtlpriv->reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
|
||||
MASKDWORD) & BIT(3)) >> 3;
|
||||
|
||||
reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
|
||||
MASKDWORD) & 0xFF000000) >> 24;
|
||||
rtlpriv->reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
|
||||
MASKDWORD) & 0xFF000000) >> 24;
|
||||
|
||||
reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & 0xF000) >> 12;
|
||||
rtlpriv->reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) &
|
||||
0xF000) >> 12;
|
||||
|
||||
initialize = 1;
|
||||
rtlpriv->reg_init = true;
|
||||
}
|
||||
|
||||
if (!bforce_in_normal) {
|
||||
@ -1228,12 +1308,12 @@ void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal)
|
||||
rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
|
||||
} else {
|
||||
rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
|
||||
0x1CC000, reg_874);
|
||||
0x1CC000, rtlpriv->reg_874);
|
||||
rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
|
||||
reg_c70);
|
||||
rtlpriv->reg_c70);
|
||||
rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
|
||||
reg_85c);
|
||||
rtl_set_bbreg(hw, 0xa74, 0xF000, reg_a74);
|
||||
rtlpriv->reg_85c);
|
||||
rtl_set_bbreg(hw, 0xa74, 0xF000, rtlpriv->reg_a74);
|
||||
rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
|
||||
}
|
||||
|
||||
@ -1249,6 +1329,7 @@ static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
|
||||
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;
|
||||
@ -1277,6 +1358,7 @@ static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
|
||||
dm_pstable->rssi_val_min);
|
||||
}
|
||||
|
||||
/* Power Saving for 92C */
|
||||
if (IS_92C_SERIAL(rtlhal->version))
|
||||
;/* rtl92c_dm_1r_cca(hw); */
|
||||
else
|
||||
@ -1288,12 +1370,23 @@ 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);
|
||||
|
||||
@ -1344,7 +1437,7 @@ void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw)
|
||||
}
|
||||
|
||||
if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
|
||||
rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
|
||||
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)) &&
|
||||
@ -1364,8 +1457,16 @@ void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw)
|
||||
"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;
|
||||
}
|
||||
|
||||
@ -1436,12 +1537,6 @@ u8 rtl92c_bt_rssi_state_change(struct ieee80211_hw *hw)
|
||||
else
|
||||
curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW);
|
||||
|
||||
/* Set Tx Power according to BT status. */
|
||||
if (undec_sm_pwdb >= 30)
|
||||
curr_bt_rssi_state |= BT_RSSI_STATE_TXPOWER_LOW;
|
||||
else if (undec_sm_pwdb < 25)
|
||||
curr_bt_rssi_state &= (~BT_RSSI_STATE_TXPOWER_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;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user