diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c | 1388 |
1 files changed, 1388 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c new file mode 100644 index 000000000000..b4f1e4e6b733 --- /dev/null +++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c @@ -0,0 +1,1388 @@ +/****************************************************************************** + * + * Copyright(c) 2009-2010 Realtek Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + * Contact Information: + * wlanfae <wlanfae@realtek.com> + * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, + * Hsinchu 300, Taiwan. + * + * Larry Finger <Larry.Finger@lwfinger.net> + * + *****************************************************************************/ + +struct dig_t dm_digtable; +static struct ps_t dm_pstable; + +static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = { + 0x7f8001fe, + 0x788001e2, + 0x71c001c7, + 0x6b8001ae, + 0x65400195, + 0x5fc0017f, + 0x5a400169, + 0x55400155, + 0x50800142, + 0x4c000130, + 0x47c0011f, + 0x43c0010f, + 0x40000100, + 0x3c8000f2, + 0x390000e4, + 0x35c000d7, + 0x32c000cb, + 0x300000c0, + 0x2d4000b5, + 0x2ac000ab, + 0x288000a2, + 0x26000098, + 0x24000090, + 0x22000088, + 0x20000080, + 0x1e400079, + 0x1c800072, + 0x1b00006c, + 0x19800066, + 0x18000060, + 0x16c0005b, + 0x15800056, + 0x14400051, + 0x1300004c, + 0x12000048, + 0x11000044, + 0x10000040, +}; + +static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = { + {0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04}, + {0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04}, + {0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03}, + {0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03}, + {0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03}, + {0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03}, + {0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03}, + {0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03}, + {0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02}, + {0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02}, + {0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02}, + {0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02}, + {0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02}, + {0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02}, + {0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02}, + {0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02}, + {0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01}, + {0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02}, + {0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01}, + {0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, + {0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, + {0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01}, + {0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01}, + {0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01}, + {0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01}, + {0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01}, + {0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01}, + {0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01}, + {0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01}, + {0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01}, + {0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01}, + {0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01}, + {0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01} +}; + +static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = { + {0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00}, + {0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00}, + {0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00}, + {0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00}, + {0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00}, + {0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00}, + {0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00}, + {0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00}, + {0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00}, + {0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00}, + {0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00}, + {0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00}, + {0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00}, + {0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00}, + {0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00}, + {0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00}, + {0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00}, + {0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00}, + {0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00}, + {0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, + {0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, + {0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00}, + {0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00}, + {0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, + {0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, + {0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00}, + {0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, + {0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, + {0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, + {0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, + {0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, + {0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, + {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00} +}; + +static void rtl92c_dm_diginit(struct ieee80211_hw *hw) +{ + dm_digtable.dig_enable_flag = true; + dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; + dm_digtable.cur_igvalue = 0x20; + dm_digtable.pre_igvalue = 0x0; + dm_digtable.cursta_connectctate = DIG_STA_DISCONNECT; + dm_digtable.presta_connectstate = DIG_STA_DISCONNECT; + dm_digtable.curmultista_connectstate = DIG_MULTISTA_DISCONNECT; + dm_digtable.rssi_lowthresh = DM_DIG_THRESH_LOW; + dm_digtable.rssi_highthresh = DM_DIG_THRESH_HIGH; + dm_digtable.fa_lowthresh = DM_FALSEALARM_THRESH_LOW; + dm_digtable.fa_highthresh = DM_FALSEALARM_THRESH_HIGH; + dm_digtable.rx_gain_range_max = DM_DIG_MAX; + dm_digtable.rx_gain_range_min = DM_DIG_MIN; + dm_digtable.backoff_val = DM_DIG_BACKOFF_DEFAULT; + dm_digtable.backoff_val_range_max = DM_DIG_BACKOFF_MAX; + dm_digtable.backoff_val_range_min = DM_DIG_BACKOFF_MIN; + dm_digtable.pre_cck_pd_state = CCK_PD_STAGE_MAX; + dm_digtable.cur_cck_pd_state = CCK_PD_STAGE_MAX; +} + +static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + long rssi_val_min = 0; + + if ((dm_digtable.curmultista_connectstate == DIG_MULTISTA_CONNECT) && + (dm_digtable.cursta_connectctate == DIG_STA_CONNECT)) { + if (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb != 0) + rssi_val_min = + (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb > + rtlpriv->dm.undecorated_smoothed_pwdb) ? + rtlpriv->dm.undecorated_smoothed_pwdb : + rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb; + else + rssi_val_min = rtlpriv->dm.undecorated_smoothed_pwdb; + } else if (dm_digtable.cursta_connectctate == DIG_STA_CONNECT || + dm_digtable.cursta_connectctate == DIG_STA_BEFORE_CONNECT) { + rssi_val_min = rtlpriv->dm.undecorated_smoothed_pwdb; + } else if (dm_digtable.curmultista_connectstate == + DIG_MULTISTA_CONNECT) { + rssi_val_min = rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb; + } + + 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); + falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail + + falsealm_cnt->cnt_rate_illegal + + falsealm_cnt->cnt_crc8_fail + falsealm_cnt->cnt_mcs_fail; + + rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1); + ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0); + falsealm_cnt->cnt_cck_fail = ret_value; + + ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERUPPER, MASKBYTE3); + falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8; + falsealm_cnt->cnt_all = (falsealm_cnt->cnt_parity_fail + + falsealm_cnt->cnt_rate_illegal + + falsealm_cnt->cnt_crc8_fail + + falsealm_cnt->cnt_mcs_fail + + falsealm_cnt->cnt_cck_fail); + + rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 1); + rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 0); + rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 0); + rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 2); + + RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, + ("cnt_parity_fail = %d, cnt_rate_illegal = %d, " + "cnt_crc8_fail = %d, cnt_mcs_fail = %d\n", + falsealm_cnt->cnt_parity_fail, + falsealm_cnt->cnt_rate_illegal, + falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail)); + + RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, + ("cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n", + falsealm_cnt->cnt_ofdm_fail, + falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all)); +} + +static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + 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 = 0x32; + + 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); + + if (rtlpriv->falsealm_cnt.cnt_all > dm_digtable.fa_highthresh) { + if ((dm_digtable.backoff_val - 2) < + dm_digtable.backoff_val_range_min) + dm_digtable.backoff_val = + dm_digtable.backoff_val_range_min; + else + dm_digtable.backoff_val -= 2; + } else if (rtlpriv->falsealm_cnt.cnt_all < dm_digtable.fa_lowthresh) { + if ((dm_digtable.backoff_val + 2) > + dm_digtable.backoff_val_range_max) + dm_digtable.backoff_val = + dm_digtable.backoff_val_range_max; + else + dm_digtable.backoff_val += 2; + } + + if ((dm_digtable.rssi_val_min + 10 - dm_digtable.backoff_val) > + dm_digtable.rx_gain_range_max) + dm_digtable.cur_igvalue = dm_digtable.rx_gain_range_max; + else if ((dm_digtable.rssi_val_min + 10 - + dm_digtable.backoff_val) < dm_digtable.rx_gain_range_min) + dm_digtable.cur_igvalue = dm_digtable.rx_gain_range_min; + else + dm_digtable.cur_igvalue = dm_digtable.rssi_val_min + 10 - + dm_digtable.backoff_val; + + RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, + ("rssi_val_min = %x backoff_val %x\n", + dm_digtable.rssi_val_min, dm_digtable.backoff_val)); + + rtl92c_dm_write_dig(hw); +} + +static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw) +{ + static u8 binitialized; /* 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; + bool multi_sta = false; + + if (mac->opmode == NL80211_IFTYPE_ADHOC) + multi_sta = true; + + if ((multi_sta == false) || (dm_digtable.cursta_connectctate != + DIG_STA_DISCONNECT)) { + binitialized = false; + dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; + return; + } else if (binitialized == false) { + binitialized = 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_connectstate == 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_connectstate = " + "%x dig_ext_port_stage %x\n", + dm_digtable.curmultista_connectstate, + dm_digtable.dig_ext_port_stage)); +} + +static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, + ("presta_connectstate = %x," + " cursta_connectctate = %x\n", + dm_digtable.presta_connectstate, + dm_digtable.cursta_connectctate)); + + if (dm_digtable.presta_connectstate == dm_digtable.cursta_connectctate + || dm_digtable.cursta_connectctate == DIG_STA_BEFORE_CONNECT + || dm_digtable.cursta_connectctate == DIG_STA_CONNECT) { + + if (dm_digtable.cursta_connectctate != DIG_STA_DISCONNECT) { + dm_digtable.rssi_val_min = + rtl92c_dm_initial_gain_min_pwdb(hw); + rtl92c_dm_ctrl_initgain_by_rssi(hw); + } + } else { + dm_digtable.rssi_val_min = 0; + dm_digtable.dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; + dm_digtable.backoff_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 rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + + if (dm_digtable.cursta_connectctate == DIG_STA_CONNECT) { + dm_digtable.rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw); + + if (dm_digtable.pre_cck_pd_state == CCK_PD_STAGE_LowRssi) { + if (dm_digtable.rssi_val_min <= 25) + dm_digtable.cur_cck_pd_state = + CCK_PD_STAGE_LowRssi; + else + dm_digtable.cur_cck_pd_state = + CCK_PD_STAGE_HighRssi; + } else { + if (dm_digtable.rssi_val_min <= 20) + dm_digtable.cur_cck_pd_state = + CCK_PD_STAGE_LowRssi; + else + dm_digtable.cur_cck_pd_state = + CCK_PD_STAGE_HighRssi; + } + } else { + dm_digtable.cur_cck_pd_state = CCK_PD_STAGE_MAX; + } + + if (dm_digtable.pre_cck_pd_state != dm_digtable.cur_cck_pd_state) { + if (dm_digtable.cur_cck_pd_state == CCK_PD_STAGE_LowRssi) { + if (rtlpriv->falsealm_cnt.cnt_cck_fail > 800) + dm_digtable.cur_cck_fa_state = + CCK_FA_STAGE_High; + else + dm_digtable.cur_cck_fa_state = CCK_FA_STAGE_Low; + + if (dm_digtable.pre_cck_fa_state != + dm_digtable.cur_cck_fa_state) { + if (dm_digtable.cur_cck_fa_state == + CCK_FA_STAGE_Low) + rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, + 0x83); + else + rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, + 0xcd); + + dm_digtable.pre_cck_fa_state = + dm_digtable.cur_cck_fa_state; + } + + rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x40); + + if (IS_92C_SERIAL(rtlhal->version)) + rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, + MASKBYTE2, 0xd7); + } else { + rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd); + rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x47); + + if (IS_92C_SERIAL(rtlhal->version)) + rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, + MASKBYTE2, 0xd3); + } + dm_digtable.pre_cck_pd_state = dm_digtable.cur_cck_pd_state; + } + + RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, + ("CCKPDStage=%x\n", dm_digtable.cur_cck_pd_state)); + + RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, + ("is92C=%x\n", IS_92C_SERIAL(rtlhal->version))); +} + +static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw) +{ + struct rtl_mac *mac = rtl_mac(rtl_priv(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) + dm_digtable.cursta_connectctate = DIG_STA_CONNECT; + else + dm_digtable.cursta_connectctate = DIG_STA_DISCONNECT; + + rtl92c_dm_initial_gain_sta(hw); + rtl92c_dm_initial_gain_multi_sta(hw); + rtl92c_dm_cck_packet_detection_thresh(hw); + + dm_digtable.presta_connectstate = dm_digtable.cursta_connectctate; + +} + +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 (dm_digtable.dig_enable_flag == false) + 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); + + 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); + + RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD, + ("cur_igvalue = 0x%x, " + "pre_igvalue = 0x%x, backoff_val = %d\n", + dm_digtable.cur_igvalue, dm_digtable.pre_igvalue, + dm_digtable.backoff_val)); + + if (dm_digtable.pre_igvalue != dm_digtable.cur_igvalue) { + rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f, + dm_digtable.cur_igvalue); + rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f, + dm_digtable.cur_igvalue); + + dm_digtable.pre_igvalue = dm_digtable.cur_igvalue; + } +} + +static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff; + + u8 h2c_parameter[3] = { 0 }; + + return; + + if (tmpentry_max_pwdb != 0) { + rtlpriv->dm.entry_max_undecoratedsmoothed_pwdb = + tmpentry_max_pwdb; + } else { + rtlpriv->dm.entry_max_undecoratedsmoothed_pwdb = 0; + } + + if (tmpentry_min_pwdb != 0xff) { + rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb = + tmpentry_min_pwdb; + } else { + rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb = 0; + } + + h2c_parameter[2] = (u8) (rtlpriv->dm.undecorated_smoothed_pwdb & 0xFF); + h2c_parameter[0] = 0; + + rtl92c_fill_h2c_cmd(hw, H2C_RSSI_REPORT, 3, h2c_parameter); +} + +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; +} + +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; + u64 cur_txok_cnt; + u64 cur_rxok_cnt; + u32 edca_be_ul = 0x5ea42b; + u32 edca_be_dl = 0x5ea42b; + + if (mac->opmode == NL80211_IFTYPE_ADHOC) + goto dm_checkedcaturbo_exit; + + if (mac->link_state != MAC80211_LINKED) { + rtlpriv->dm.current_turbo_edca = false; + return; + } + + if (!mac->ht_enable) { /*FIX MERGE */ + if (!(edca_be_ul & 0xffff0000)) + edca_be_ul |= 0x005e0000; + + if (!(edca_be_dl & 0xffff0000)) + edca_be_dl |= 0x005e0000; + } + + if ((!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, + (u8 *) (&tmp)); + rtlpriv->dm.current_turbo_edca = false; + } + } + +dm_checkedcaturbo_exit: + 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; + u8 ofdm_index[2], cck_index, ofdm_index_old[2], cck_index_old; + 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; + 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; + } + + delta = (thermalvalue > rtlpriv->dm.thermalvalue) ? + (thermalvalue - rtlpriv->dm.thermalvalue) : + (rtlpriv->dm.thermalvalue - thermalvalue); + + delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ? + (thermalvalue - rtlpriv->dm.thermalvalue_lck) : + (rtlpriv->dm.thermalvalue_lck - thermalvalue); + + delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ? + (thermalvalue - rtlpriv->dm.thermalvalue_iqk) : + (rtlpriv->dm.thermalvalue_iqk - thermalvalue); + + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + ("Readback Thermal Meter = 0x%x pre thermal meter 0x%x " + "eeprom_thermalmeter 0x%x delta 0x%x " + "delta_lck 0x%x delta_iqk 0x%x\n", + thermalvalue, rtlpriv->dm.thermalvalue, + rtlefuse->eeprom_thermalmeter, delta, delta_lck, + delta_iqk)); + + if (delta_lck > 1) { + rtlpriv->dm.thermalvalue_lck = thermalvalue; + rtl92c_phy_lc_calibrate(hw); + } + + if (delta > 0 && rtlpriv->dm.txpower_track_control) { + if (thermalvalue > rtlpriv->dm.thermalvalue) { + for (i = 0; i < rf; i++) + rtlpriv->dm.ofdm_index[i] -= delta; + rtlpriv->dm.cck_index -= delta; + } else { + for (i = 0; i < rf; i++) + rtlpriv->dm.ofdm_index[i] += delta; + rtlpriv->dm.cck_index += delta; + } + + if (is2t) { + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + ("temp OFDM_A_index=0x%x, " + "OFDM_B_index=0x%x," + "cck_index=0x%x\n", + rtlpriv->dm.ofdm_index[0], + rtlpriv->dm.ofdm_index[1], + rtlpriv->dm.cck_index)); + } else { + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + ("temp OFDM_A_index=0x%x," + "cck_index=0x%x\n", + rtlpriv->dm.ofdm_index[0], + rtlpriv->dm.cck_index)); + } + + if (thermalvalue > rtlefuse->eeprom_thermalmeter) { + for (i = 0; i < rf; i++) + ofdm_index[i] = + rtlpriv->dm.ofdm_index[i] + + 1; + cck_index = rtlpriv->dm.cck_index + 1; + } else { + for (i = 0; i < rf; i++) + ofdm_index[i] = + rtlpriv->dm.ofdm_index[i]; + cck_index = rtlpriv->dm.cck_index; + } + + for (i = 0; i < rf; i++) { + if (txpwr_level[i] >= 0 && + txpwr_level[i] <= 26) { + if (thermalvalue > + rtlefuse->eeprom_thermalmeter) { + if (delta < 5) + ofdm_index[i] -= 1; + + else + ofdm_index[i] -= 2; + } else if (delta > 5 && thermalvalue < + rtlefuse-> + eeprom_thermalmeter) { + ofdm_index[i] += 1; + } + } else if (txpwr_level[i] >= 27 && + txpwr_level[i] <= 32 + && thermalvalue > + rtlefuse->eeprom_thermalmeter) { + if (delta < 5) + ofdm_index[i] -= 1; + + else + ofdm_index[i] -= 2; + } else if (txpwr_level[i] >= 32 && + txpwr_level[i] <= 38 && + thermalvalue > + rtlefuse->eeprom_thermalmeter + && delta > 5) { + ofdm_index[i] -= 1; + } + } + + if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) { + if (thermalvalue > + rtlefuse->eeprom_thermalmeter) { + if (delta < 5) + cck_index -= 1; + + else + cck_index -= 2; + } else if (delta > 5 && thermalvalue < + rtlefuse->eeprom_thermalmeter) { + cck_index += 1; + } + } else if (txpwr_level[i] >= 27 && + txpwr_level[i] <= 32 && + thermalvalue > + rtlefuse->eeprom_thermalmeter) { + if (delta < 5) + cck_index -= 1; + + else + cck_index -= 2; + } else if (txpwr_level[i] >= 32 && + txpwr_level[i] <= 38 && + thermalvalue > rtlefuse->eeprom_thermalmeter + && delta > 5) { + cck_index -= 1; + } + + for (i = 0; i < rf; i++) { + if (ofdm_index[i] > OFDM_TABLE_SIZE - 1) + ofdm_index[i] = OFDM_TABLE_SIZE - 1; + + else if (ofdm_index[i] < ofdm_min_index) + ofdm_index[i] = ofdm_min_index; + } + + if (cck_index > CCK_TABLE_SIZE - 1) + cck_index = CCK_TABLE_SIZE - 1; + else if (cck_index < 0) + cck_index = 0; + + if (is2t) { + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + ("new OFDM_A_index=0x%x, " + "OFDM_B_index=0x%x," + "cck_index=0x%x\n", + ofdm_index[0], ofdm_index[1], + cck_index)); + } else { + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + ("new OFDM_A_index=0x%x," + "cck_index=0x%x\n", + ofdm_index[0], cck_index)); + } + } + + if (rtlpriv->dm.txpower_track_control && delta != 0) { + ele_d = + (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22; + val_x = rtlphy->reg_e94; + val_y = rtlphy->reg_e9c; + + if (val_x != 0) { + if ((val_x & 0x00000200) != 0) + val_x = val_x | 0xFFFFFC00; + ele_a = ((val_x * ele_d) >> 8) & 0x000003FF; + + if ((val_y & 0x00000200) != 0) + val_y = val_y | 0xFFFFFC00; + ele_c = ((val_y * ele_d) >> 8) & 0x000003FF; + + value32 = (ele_d << 22) | + ((ele_c & 0x3F) << 16) | ele_a; + + rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, + MASKDWORD, value32); + + value32 = (ele_c & 0x000003C0) >> 6; + rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS, + value32); + + value32 = ((val_x * ele_d) >> 7) & 0x01; + rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, + BIT(31), value32); + + value32 = ((val_y * ele_d) >> 7) & 0x01; + rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, + BIT(29), value32); + } else { + rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, + MASKDWORD, + ofdmswing_table[ofdm_index[0]]); + + rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS, + 0x00); + rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, + BIT(31) | BIT(29), 0x00); + } + + if (!rtlpriv->dm.cck_inch14) { + rtl_write_byte(rtlpriv, 0xa22, + cckswing_table_ch1ch13[cck_index] + [0]); + rtl_write_byte(rtlpriv, 0xa23, + cckswing_table_ch1ch13[cck_index] + [1]); + rtl_write_byte(rtlpriv, 0xa24, + cckswing_table_ch1ch13[cck_index] + [2]); + rtl_write_byte(rtlpriv, 0xa25, + cckswing_table_ch1ch13[cck_index] + [3]); + rtl_write_byte(rtlpriv, 0xa26, + cckswing_table_ch1ch13[cck_index] + [4]); + rtl_write_byte(rtlpriv, 0xa27, + cckswing_table_ch1ch13[cck_index] + [5]); + rtl_write_byte(rtlpriv, 0xa28, + cckswing_table_ch1ch13[cck_index] + [6]); + rtl_write_byte(rtlpriv, 0xa29, + cckswing_table_ch1ch13[cck_index] + [7]); + } else { + rtl_write_byte(rtlpriv, 0xa22, + cckswing_table_ch14[cck_index] + [0]); + rtl_write_byte(rtlpriv, 0xa23, + cckswing_table_ch14[cck_index] + [1]); + rtl_write_byte(rtlpriv, 0xa24, + cckswing_table_ch14[cck_index] + [2]); + rtl_write_byte(rtlpriv, 0xa25, + cckswing_table_ch14[cck_index] + [3]); + rtl_write_byte(rtlpriv, 0xa26, + cckswing_table_ch14[cck_index] + [4]); + rtl_write_byte(rtlpriv, 0xa27, + cckswing_table_ch14[cck_index] + [5]); + rtl_write_byte(rtlpriv, 0xa28, + cckswing_table_ch14[cck_index] + [6]); + rtl_write_byte(rtlpriv, 0xa29, + cckswing_table_ch14[cck_index] + [7]); + } + + if (is2t) { + ele_d = (ofdmswing_table[ofdm_index[1]] & + 0xFFC00000) >> 22; + + val_x = rtlphy->reg_eb4; + val_y = rtlphy->reg_ebc; + + if (val_x != 0) { + if ((val_x & 0x00000200) != 0) + val_x = val_x | 0xFFFFFC00; + ele_a = ((val_x * ele_d) >> 8) & + 0x000003FF; + + if ((val_y & 0x00000200) != 0) + val_y = val_y | 0xFFFFFC00; + ele_c = ((val_y * ele_d) >> 8) & + 0x00003FF; + + value32 = (ele_d << 22) | + ((ele_c & 0x3F) << 16) | ele_a; + rtl_set_bbreg(hw, + ROFDM0_XBTXIQIMBALANCE, + MASKDWORD, value32); + + value32 = (ele_c & 0x000003C0) >> 6; + rtl_set_bbreg(hw, ROFDM0_XDTXAFE, + MASKH4BITS, value32); + + value32 = ((val_x * ele_d) >> 7) & 0x01; + rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, + BIT(27), value32); + + value32 = ((val_y * ele_d) >> 7) & 0x01; + rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, + BIT(25), value32); + } else { + rtl_set_bbreg(hw, + ROFDM0_XBTXIQIMBALANCE, + MASKDWORD, + ofdmswing_table[ofdm_index + [1]]); + rtl_set_bbreg(hw, ROFDM0_XDTXAFE, + MASKH4BITS, 0x00); + rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, + BIT(27) | BIT(25), 0x00); + } + + } + } + + if (delta_iqk > 3) { + rtlpriv->dm.thermalvalue_iqk = thermalvalue; + rtl92c_phy_iq_calibrate(hw, false); + } + + if (rtlpriv->dm.txpower_track_control) + rtlpriv->dm.thermalvalue = thermalvalue; + } + + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, ("<===\n")); + +} + +static void rtl92c_dm_initialize_txpower_tracking_thermalmeter( + struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + rtlpriv->dm.txpower_tracking = true; + rtlpriv->dm.txpower_trackingInit = false; + + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + ("pMgntInfo->txpower_tracking = %d\n", + rtlpriv->dm.txpower_tracking)); +} + +static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw) +{ + rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw); +} + +static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw) +{ + rtl92c_dm_txpower_tracking_callback_thermalmeter(hw); +} + +static void rtl92c_dm_check_txpower_tracking_thermal_meter( + struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + static u8 tm_trigger; + + if (!rtlpriv->dm.txpower_tracking) + return; + + if (!tm_trigger) { + rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK, + 0x60); + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + ("Trigger 92S Thermal Meter!!\n")); + tm_trigger = 1; + return; + } else { + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + ("Schedule TxPowerTracking direct call!!\n")); + rtl92c_dm_txpower_tracking_directcall(hw); + tm_trigger = 0; + } +} + +void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw) +{ + rtl92c_dm_check_txpower_tracking_thermal_meter(hw); +} + +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; + +} + +static void rtl92c_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + struct rate_adaptive *p_ra = &(rtlpriv->ra); + u32 low_rssithresh_for_ra, high_rssithresh_for_ra; + + if (is_hal_stop(rtlhal)) { + RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD, + ("<---- driver is going to unload\n")); + return; + } + + if (!rtlpriv->dm.useramask) { + RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD, + ("<---- driver does not control rate adaptive mask\n")); + return; + } + + if (mac->link_state == MAC80211_LINKED) { + + switch (p_ra->pre_ratr_state) { + case DM_RATR_STA_HIGH: + high_rssithresh_for_ra = 50; + low_rssithresh_for_ra = 20; + break; + case DM_RATR_STA_MIDDLE: + high_rssithresh_for_ra = 55; + low_rssithresh_for_ra = 20; + break; + case DM_RATR_STA_LOW: + high_rssithresh_for_ra = 50; + low_rssithresh_for_ra = 25; + break; + default: + high_rssithresh_for_ra = 50; + low_rssithresh_for_ra = 20; + break; + } + + if (rtlpriv->dm.undecorated_smoothed_pwdb > + (long)high_rssithresh_for_ra) + p_ra->ratr_state = DM_RATR_STA_HIGH; + else if (rtlpriv->dm.undecorated_smoothed_pwdb > + (long)low_rssithresh_for_ra) + p_ra->ratr_state = DM_RATR_STA_MIDDLE; + else + p_ra->ratr_state = DM_RATR_STA_LOW; + + if (p_ra->pre_ratr_state != p_ra->ratr_state) { + RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD, + ("RSSI = %ld\n", + rtlpriv->dm.undecorated_smoothed_pwdb)); + RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD, + ("RSSI_LEVEL = %d\n", p_ra->ratr_state)); + RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD, + ("PreState = %d, CurState = %d\n", + p_ra->pre_ratr_state, p_ra->ratr_state)); + + rtlpriv->cfg->ops->update_rate_mask(hw, + p_ra->ratr_state); + + p_ra->pre_ratr_state = p_ra->ratr_state; + } + } +} + +static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw) +{ + 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; +} + +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; + 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; + + reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1, + MASKDWORD) & BIT(3)) >> 3; + + reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, + MASKDWORD) & 0xFF000000) >> 24; + + reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & 0xF000) >> 12; + + initialize = 1; + } + + 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, reg_874); + rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), + reg_c70); + rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000, + reg_85c); + rtl_set_bbreg(hw, 0xa74, 0xF000, reg_a74); + rtl_set_bbreg(hw, 0x818, BIT(28), 0x0); + } + + dm_pstable.pre_rfstate = dm_pstable.cur_rfstate; + } +} + +static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + + if (((mac->link_state == MAC80211_NOLINK)) && + (rtlpriv->dm.entry_min_undecoratedsmoothed_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_undecoratedsmoothed_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.undecorated_smoothed_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_undecoratedsmoothed_pwdb; + + RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, + ("AP Ext Port PWDB = 0x%lx\n", + dm_pstable.rssi_val_min)); + } + + if (IS_92C_SERIAL(rtlhal->version)) + rtl92c_dm_1r_cca(hw); +} + +void rtl92c_dm_init(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER; + rtl92c_dm_diginit(hw); + rtl92c_dm_init_dynamic_txpower(hw); + rtl92c_dm_init_edca_turbo(hw); + rtl92c_dm_init_rate_adaptive_mask(hw); + rtl92c_dm_initialize_txpower_tracking(hw); + rtl92c_dm_init_dynamic_bb_powersaving(hw); +} + +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->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_check_edca_turbo(hw); + } +} |