diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c | 525 |
1 files changed, 453 insertions, 72 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c index bb023274414..97183829b9b 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c +++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c @@ -28,10 +28,26 @@ *****************************************************************************/ #include "dm_common.h" +#include "phy_common.h" +#include "../pci.h" +#include "../base.h" struct dig_t dm_digtable; static struct ps_t dm_pstable; +#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_undecoratedsmoothed_pwdb) : \ + ((RTLPRIV(_priv))->dm.undecorated_smoothed_pwdb) + static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = { 0x7f8001fe, 0x788001e2, @@ -304,7 +320,7 @@ static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw) static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw) { - static u8 binitialized; /* initialized to false */ + static u8 initialized; /* initialized to false */ struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); long rssi_strength = rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb; @@ -315,11 +331,11 @@ static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw) if ((multi_sta == false) || (dm_digtable.cursta_connectctate != DIG_STA_DISCONNECT)) { - binitialized = false; + initialized = false; dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; return; - } else if (binitialized == false) { - binitialized = true; + } 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); @@ -461,10 +477,7 @@ static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw) if (mac->act_scanning == true) return; - if ((mac->link_state > MAC80211_NOLINK) && - (mac->link_state < MAC80211_LINKED)) - dm_digtable.cursta_connectctate = DIG_STA_BEFORE_CONNECT; - else if (mac->link_state >= MAC80211_LINKED) + if (mac->link_state >= MAC80211_LINKED) dm_digtable.cursta_connectctate = DIG_STA_CONNECT; else dm_digtable.cursta_connectctate = DIG_STA_DISCONNECT; @@ -562,23 +575,42 @@ 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; - u64 cur_txok_cnt; - u64 cur_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 (mac->opmode == NL80211_IFTYPE_ADHOC) - goto dm_checkedcaturbo_exit; + 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) { /*FIX MERGE */ + if ((!mac->ht_enable) && (!rtlpcipriv->bt_coexist.bt_coexistence)) { if (!(edca_be_ul & 0xffff0000)) edca_be_ul |= 0x005e0000; @@ -586,10 +618,12 @@ static void rtl92c_dm_check_edca_turbo(struct ieee80211_hw *hw) edca_be_dl |= 0x005e0000; } - if ((!rtlpriv->dm.is_any_nonbepkts) && - (!rtlpriv->dm.disable_framebursting)) { + 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) { @@ -618,7 +652,6 @@ static void rtl92c_dm_check_edca_turbo(struct ieee80211_hw *hw) } } -dm_checkedcaturbo_exit: rtlpriv->dm.is_any_nonbepkts = false; last_txok_cnt = rtlpriv->stats.txbytesunicast; last_rxok_cnt = rtlpriv->stats.rxbytesunicast; @@ -633,14 +666,14 @@ static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw 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; - u8 ofdm_index[2], cck_index, ofdm_index_old[2], cck_index_old; + long val_y, ele_c = 0; + u8 ofdm_index[2], cck_index = 0, ofdm_index_old[2], cck_index_old = 0; int i; bool is2t = IS_92C_SERIAL(rtlhal->version); u8 txpwr_level[2] = {0, 0}; u8 ofdm_min_index = 6, rf; - rtlpriv->dm.txpower_trackingInit = true; + rtlpriv->dm.txpower_trackinginit = true; RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, ("rtl92c_dm_txpower_tracking_callback_thermalmeter\n")); @@ -683,7 +716,6 @@ static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw 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, @@ -1062,7 +1094,7 @@ static void rtl92c_dm_initialize_txpower_tracking_thermalmeter( struct rtl_priv *rtlpriv = rtl_priv(hw); rtlpriv->dm.txpower_tracking = true; - rtlpriv->dm.txpower_trackingInit = false; + rtlpriv->dm.txpower_trackinginit = false; RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, ("pMgntInfo->txpower_tracking = %d\n", @@ -1132,6 +1164,7 @@ static void rtl92c_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *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, @@ -1145,8 +1178,8 @@ static void rtl92c_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw) return; } - if (mac->link_state == MAC80211_LINKED) { - + 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; @@ -1185,10 +1218,13 @@ static void rtl92c_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw) ("PreState = %d, CurState = %d\n", p_ra->pre_ratr_state, p_ra->ratr_state)); - rtlpriv->cfg->ops->update_rate_mask(hw, + rcu_read_lock(); + sta = ieee80211_find_sta(mac->vif, mac->bssid); + rtlpriv->cfg->ops->update_rate_tbl(hw, sta, p_ra->ratr_state); p_ra->pre_ratr_state = p_ra->ratr_state; + rcu_read_unlock(); } } } @@ -1202,51 +1238,6 @@ static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw) dm_pstable.rssi_val_min = 0; } -static void rtl92c_dm_1r_cca(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_phy *rtlphy = &(rtlpriv->phy); - - if (dm_pstable.rssi_val_min != 0) { - if (dm_pstable.pre_ccastate == CCA_2R) { - if (dm_pstable.rssi_val_min >= 35) - dm_pstable.cur_ccasate = CCA_1R; - else - dm_pstable.cur_ccasate = CCA_2R; - } else { - if (dm_pstable.rssi_val_min <= 30) - dm_pstable.cur_ccasate = CCA_2R; - else - dm_pstable.cur_ccasate = CCA_1R; - } - } else { - dm_pstable.cur_ccasate = CCA_MAX; - } - - if (dm_pstable.pre_ccastate != dm_pstable.cur_ccasate) { - if (dm_pstable.cur_ccasate == CCA_1R) { - if (get_rf_type(rtlphy) == RF_2T2R) { - rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE, - MASKBYTE0, 0x13); - rtl_set_bbreg(hw, 0xe70, MASKBYTE3, 0x20); - } else { - rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE, - MASKBYTE0, 0x23); - rtl_set_bbreg(hw, 0xe70, 0x7fc00000, 0x10c); - } - } else { - rtl_set_bbreg(hw, ROFDM0_TRXPATHENABLE, MASKBYTE0, - 0x33); - rtl_set_bbreg(hw, 0xe70, MASKBYTE3, 0x63); - } - dm_pstable.pre_ccastate = dm_pstable.cur_ccasate; - } - - RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, ("CCAStage = %s\n", - (dm_pstable.cur_ccasate == - 0) ? "1RCCA" : "2RCCA")); -} - void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal) { static u8 initialize; @@ -1352,7 +1343,9 @@ static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw) } if (IS_92C_SERIAL(rtlhal->version)) - rtl92c_dm_1r_cca(hw); + ;/* rtl92c_dm_1r_cca(hw); */ + else + rtl92c_dm_rf_saving(hw, false); } void rtl92c_dm_init(struct ieee80211_hw *hw) @@ -1369,6 +1362,84 @@ void rtl92c_dm_init(struct ieee80211_hw *hw) } 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 undecorated_smoothed_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_undecoratedsmoothed_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) { + undecorated_smoothed_pwdb = + rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb; + RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, + ("AP Client PWDB = 0x%lx\n", + undecorated_smoothed_pwdb)); + } else { + undecorated_smoothed_pwdb = + rtlpriv->dm.undecorated_smoothed_pwdb; + RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, + ("STA Default Port PWDB = 0x%lx\n", + undecorated_smoothed_pwdb)); + } + } else { + undecorated_smoothed_pwdb = + rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb; + + RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, + ("AP Ext Port PWDB = 0x%lx\n", + undecorated_smoothed_pwdb)); + } + + if (undecorated_smoothed_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 ((undecorated_smoothed_pwdb < + (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) && + (undecorated_smoothed_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 (undecorated_smoothed_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); + } + + 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); @@ -1388,11 +1459,321 @@ void rtl92c_dm_watchdog(struct ieee80211_hw *hw) rtl92c_dm_dig(hw); rtl92c_dm_false_alarm_counter_statistics(hw); rtl92c_dm_dynamic_bb_powersaving(hw); - rtlpriv->cfg->ops->dm_dynamic_txpower(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 undecorated_smoothed_pwdb; + u8 curr_bt_rssi_state = 0x00; + + if (rtlpriv->mac80211.link_state == MAC80211_LINKED) { + undecorated_smoothed_pwdb = + GET_UNDECORATED_AVERAGE_RSSI(rtlpriv); + } else { + if (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0) + undecorated_smoothed_pwdb = 100; + else + undecorated_smoothed_pwdb = + rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb; + } + + /* Check RSSI to determine HighPower/NormalPower state for + * BT coexistence. */ + if (undecorated_smoothed_pwdb >= 67) + curr_bt_rssi_state &= (~BT_RSSI_STATE_NORMAL_POWER); + else if (undecorated_smoothed_pwdb < 62) + curr_bt_rssi_state |= BT_RSSI_STATE_NORMAL_POWER; + + /* Check RSSI to determine AMPDU setting for BT coexistence. */ + if (undecorated_smoothed_pwdb >= 40) + curr_bt_rssi_state &= (~BT_RSSI_STATE_AMDPU_OFF); + else if (undecorated_smoothed_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 (undecorated_smoothed_pwdb < 35) + curr_bt_rssi_state |= BT_RSSI_STATE_SPECIAL_LOW; + else + curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW); + + /* Set Tx Power according to BT status. */ + if (undecorated_smoothed_pwdb >= 30) + curr_bt_rssi_state |= BT_RSSI_STATE_TXPOWER_LOW; + else if (undecorated_smoothed_pwdb < 25) + curr_bt_rssi_state &= (~BT_RSSI_STATE_TXPOWER_LOW); + + /* Check BT state related to BT_Idle in B/G mode. */ + if (undecorated_smoothed_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) +{ + 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, 0x00); + } else { + rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0x00); + } + } + + 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); + + if (rtlpcipriv->bt_coexist.bt_cur_state) { + if (rtlpcipriv->bt_coexist.bt_ant_isolation) + rtl92c_bt_ant_isolation(hw); + } else { + rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0x00); + 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); |