// SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 2009-2012 Realtek Corporation.*/ #include #include "dm_common.h" #include "phy_common.h" #include "../pci.h" #include "../base.h" #include "../core.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 BT_MASK 0x00ffffff #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 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 abnormally 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_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 != rtlpriv->btcoexist.bt_edca_ul) || (last_bt_edca_dl != rtlpriv->btcoexist.bt_edca_dl)) { rtlpriv->dm.current_turbo_edca = false; last_bt_edca_ul = rtlpriv->btcoexist.bt_edca_ul; last_bt_edca_dl = rtlpriv->btcoexist.bt_edca_dl; } if (rtlpriv->btcoexist.bt_edca_ul != 0) { edca_be_ul = rtlpriv->btcoexist.bt_edca_ul; bt_change_edca = true; } if (rtlpriv->btcoexist.bt_edca_dl != 0) { edca_be_ul = rtlpriv->btcoexist.bt_edca_dl; bt_change_edca = true; } if (mac->link_state != MAC80211_LINKED) { rtlpriv->dm.current_turbo_edca = false; return; } if ((!mac->ht_enable) && (!rtlpriv->btcoexist.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); if (!rtlpriv->dm.txpower_tracking) return; if (!rtlpriv->dm.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"); rtlpriv->dm.tm_trigger = 1; return; } else { RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "Schedule TxPowerTracking direct call!!\n"); rtl92c_dm_txpower_tracking_directcall(hw); rtlpriv->dm.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; rtl_dm_diginit(hw, 0x20); 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); 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 != rtlpriv->btcoexist.bt_rssi_state) { rtlpriv->btcoexist.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); 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_MASK; bt_pri = rtl_read_dword(rtlpriv, 0x48c) & BT_MASK; polling = rtl_read_dword(rtlpriv, 0x490); if (bt_tx == BT_MASK && bt_pri == BT_MASK && polling == 0xffffffff && bt_state == 0xff) return false; bt_state &= BIT_OFFSET_LEN_MASK_32(0, 1); if (bt_state != rtlpriv->btcoexist.bt_cur_state) { rtlpriv->btcoexist.bt_cur_state = bt_state; if (rtlpriv->btcoexist.reg_bt_sco == 3) { rtlpriv->btcoexist.bt_service = BT_IDLE; bt_state = bt_state | ((rtlpriv->btcoexist.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; rtlpriv->btcoexist.ratio_tx = ratio_tx; rtlpriv->btcoexist.ratio_pri = ratio_pri; if (bt_state && rtlpriv->btcoexist.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 != rtlpriv->btcoexist.bt_service) { rtlpriv->btcoexist.bt_service = cur_service_type; bt_state = bt_state | ((rtlpriv->btcoexist.bt_ant_isolation == 1) ? 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) | ((rtlpriv->btcoexist.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 (rtlpriv->btcoexist.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); if (rtlpriv->btcoexist.bt_service == BT_OTHERBUSY) { rtlpriv->btcoexist.bt_edca_ul = 0x5ea72b; rtlpriv->btcoexist.bt_edca_dl = 0x5ea72b; } else if (rtlpriv->btcoexist.bt_service == BT_BUSY) { rtlpriv->btcoexist.bt_edca_ul = 0x5eb82f; rtlpriv->btcoexist.bt_edca_dl = 0x5eb82f; } else if (rtlpriv->btcoexist.bt_service == BT_SCO) { if (rtlpriv->btcoexist.ratio_tx > 160) { rtlpriv->btcoexist.bt_edca_ul = 0x5ea72f; rtlpriv->btcoexist.bt_edca_dl = 0x5ea72f; } else { rtlpriv->btcoexist.bt_edca_ul = 0x5ea32b; rtlpriv->btcoexist.bt_edca_dl = 0x5ea42b; } } else { rtlpriv->btcoexist.bt_edca_ul = 0; rtlpriv->btcoexist.bt_edca_dl = 0; } if ((rtlpriv->btcoexist.bt_service != BT_IDLE) && (rtlpriv->mac80211.mode == WIRELESS_MODE_G || (rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) && (rtlpriv->btcoexist.bt_rssi_state & BT_RSSI_STATE_BG_EDCA_LOW)) { rtlpriv->btcoexist.bt_edca_ul = 0x5eb82b; rtlpriv->btcoexist.bt_edca_dl = 0x5eb82b; } } static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw, u8 tmp1byte) { struct rtl_priv *rtlpriv = rtl_priv(hw); /* Only enable HW BT coexist when BT in "Busy" state. */ if (rtlpriv->mac80211.vendor == PEER_CISCO && rtlpriv->btcoexist.bt_service == BT_OTHER_ACTION) { rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0); } else { if ((rtlpriv->btcoexist.bt_service == BT_BUSY) && (rtlpriv->btcoexist.bt_rssi_state & BT_RSSI_STATE_NORMAL_POWER)) { rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0); } else if ((rtlpriv->btcoexist.bt_service == BT_OTHER_ACTION) && (rtlpriv->mac80211.mode < WIRELESS_MODE_N_24G) && (rtlpriv->btcoexist.bt_rssi_state & BT_RSSI_STATE_SPECIAL_LOW)) { rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0); } else if (rtlpriv->btcoexist.bt_service == BT_PAN) { rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte); } else { rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte); } } if (rtlpriv->btcoexist.bt_service == BT_PAN) rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100); else rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0); if (rtlpriv->btcoexist.bt_rssi_state & BT_RSSI_STATE_NORMAL_POWER) { rtl92c_bt_set_normal(hw); } else { rtlpriv->btcoexist.bt_edca_ul = 0; rtlpriv->btcoexist.bt_edca_dl = 0; } if (rtlpriv->btcoexist.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, rtlpriv->btcoexist.bt_rfreg_origin_1e); } if (!rtlpriv->dm.dynamic_txpower_enable) { if (rtlpriv->btcoexist.bt_service != BT_IDLE) { if (rtlpriv->btcoexist.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_hal *rtlhal = rtl_hal(rtl_priv(hw)); u8 tmp1byte = 0; if (IS_81XXC_VENDOR_UMC_B_CUT(rtlhal->version) && rtlpriv->btcoexist.bt_coexistence) tmp1byte |= BIT(5); if (rtlpriv->btcoexist.bt_cur_state) { if (rtlpriv->btcoexist.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, rtlpriv->btcoexist.bt_rfreg_origin_1e); rtlpriv->btcoexist.bt_edca_ul = 0; rtlpriv->btcoexist.bt_edca_dl = 0; } } void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw) { struct rtl_priv *rtlpriv = rtl_priv(hw); bool wifi_connect_change; bool bt_state_change; bool rssi_state_change; if ((rtlpriv->btcoexist.bt_coexistence) && (rtlpriv->btcoexist.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);