diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c | 1809 |
1 files changed, 1809 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 00000000000..eb78fd8607f --- /dev/null +++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c @@ -0,0 +1,1809 @@ +/****************************************************************************** + * + * Copyright(c) 2009-2012 Realtek Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + * Contact Information: + * wlanfae <wlanfae@realtek.com> + * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, + * Hsinchu 300, Taiwan. + * + * Larry Finger <Larry.Finger@lwfinger.net> + * + *****************************************************************************/ + +#include <linux/export.h> +#include "dm_common.h" +#include "phy_common.h" +#include "../pci.h" +#include "../base.h" + +#define BT_RSSI_STATE_NORMAL_POWER BIT_OFFSET_LEN_MASK_32(0, 1) +#define BT_RSSI_STATE_AMDPU_OFF BIT_OFFSET_LEN_MASK_32(1, 1) +#define BT_RSSI_STATE_SPECIAL_LOW BIT_OFFSET_LEN_MASK_32(2, 1) +#define BT_RSSI_STATE_BG_EDCA_LOW BIT_OFFSET_LEN_MASK_32(3, 1) +#define BT_RSSI_STATE_TXPOWER_LOW BIT_OFFSET_LEN_MASK_32(4, 1) + +#define RTLPRIV (struct rtl_priv *) +#define GET_UNDECORATED_AVERAGE_RSSI(_priv) \ + ((RTLPRIV(_priv))->mac80211.opmode == \ + NL80211_IFTYPE_ADHOC) ? \ + ((RTLPRIV(_priv))->dm.entry_min_undec_sm_pwdb) : \ + ((RTLPRIV(_priv))->dm.undec_sm_pwdb) + +static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = { + 0x7f8001fe, + 0x788001e2, + 0x71c001c7, + 0x6b8001ae, + 0x65400195, + 0x5fc0017f, + 0x5a400169, + 0x55400155, + 0x50800142, + 0x4c000130, + 0x47c0011f, + 0x43c0010f, + 0x40000100, + 0x3c8000f2, + 0x390000e4, + 0x35c000d7, + 0x32c000cb, + 0x300000c0, + 0x2d4000b5, + 0x2ac000ab, + 0x288000a2, + 0x26000098, + 0x24000090, + 0x22000088, + 0x20000080, + 0x1e400079, + 0x1c800072, + 0x1b00006c, + 0x19800066, + 0x18000060, + 0x16c0005b, + 0x15800056, + 0x14400051, + 0x1300004c, + 0x12000048, + 0x11000044, + 0x10000040, +}; + +static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = { + {0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04}, + {0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04}, + {0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03}, + {0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03}, + {0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03}, + {0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03}, + {0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03}, + {0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03}, + {0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02}, + {0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02}, + {0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02}, + {0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02}, + {0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02}, + {0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02}, + {0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02}, + {0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02}, + {0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01}, + {0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02}, + {0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01}, + {0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, + {0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, + {0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01}, + {0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01}, + {0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01}, + {0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01}, + {0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01}, + {0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01}, + {0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01}, + {0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01}, + {0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01}, + {0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01}, + {0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01}, + {0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01} +}; + +static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = { + {0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00}, + {0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00}, + {0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00}, + {0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00}, + {0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00}, + {0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00}, + {0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00}, + {0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00}, + {0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00}, + {0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00}, + {0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00}, + {0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00}, + {0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00}, + {0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00}, + {0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00}, + {0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00}, + {0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00}, + {0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00}, + {0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00}, + {0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, + {0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, + {0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00}, + {0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00}, + {0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, + {0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, + {0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00}, + {0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, + {0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, + {0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, + {0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, + {0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, + {0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, + {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00} +}; + +static u32 power_index_reg[6] = {0xc90, 0xc91, 0xc92, 0xc98, 0xc99, 0xc9a}; + +void dm_restorepowerindex(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 index; + + for (index = 0; index < 6; index++) + rtl_write_byte(rtlpriv, power_index_reg[index], + rtlpriv->dm.powerindex_backup[index]); +} +EXPORT_SYMBOL_GPL(dm_restorepowerindex); + +void dm_writepowerindex(struct ieee80211_hw *hw, u8 value) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 index; + + for (index = 0; index < 6; index++) + rtl_write_byte(rtlpriv, power_index_reg[index], value); +} +EXPORT_SYMBOL_GPL(dm_writepowerindex); + +void dm_savepowerindex(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 index; + u8 tmp; + + for (index = 0; index < 6; index++) { + tmp = rtl_read_byte(rtlpriv, power_index_reg[index]); + rtlpriv->dm.powerindex_backup[index] = tmp; + } +} +EXPORT_SYMBOL_GPL(dm_savepowerindex); + +static void rtl92c_dm_diginit(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct dig_t *dm_digtable = &rtlpriv->dm_digtable; + + dm_digtable->dig_enable_flag = true; + dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; + dm_digtable->cur_igvalue = 0x20; + dm_digtable->pre_igvalue = 0x0; + dm_digtable->cursta_cstate = DIG_STA_DISCONNECT; + dm_digtable->presta_cstate = DIG_STA_DISCONNECT; + dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT; + dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW; + dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH; + dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW; + dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH; + dm_digtable->rx_gain_max = DM_DIG_MAX; + dm_digtable->rx_gain_min = DM_DIG_MIN; + dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT; + dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX; + dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN; + dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX; + dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LowRssi; + + dm_digtable->forbidden_igi = DM_DIG_MIN; + dm_digtable->large_fa_hit = 0; + dm_digtable->recover_cnt = 0; + dm_digtable->dig_dynamic_min = 0x25; +} + +static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct dig_t *dm_digtable = &rtlpriv->dm_digtable; + long rssi_val_min = 0; + + if ((dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) && + (dm_digtable->cursta_cstate == DIG_STA_CONNECT)) { + if (rtlpriv->dm.entry_min_undec_sm_pwdb != 0) + rssi_val_min = + (rtlpriv->dm.entry_min_undec_sm_pwdb > + rtlpriv->dm.undec_sm_pwdb) ? + rtlpriv->dm.undec_sm_pwdb : + rtlpriv->dm.entry_min_undec_sm_pwdb; + else + rssi_val_min = rtlpriv->dm.undec_sm_pwdb; + } else if (dm_digtable->cursta_cstate == DIG_STA_CONNECT || + dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT) { + rssi_val_min = rtlpriv->dm.undec_sm_pwdb; + } else if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) { + rssi_val_min = rtlpriv->dm.entry_min_undec_sm_pwdb; + } + + if (rssi_val_min > 100) + rssi_val_min = 100; + return (u8)rssi_val_min; +} + +static void rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw) +{ + u32 ret_value; + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt); + + ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD); + falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16); + + ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD); + falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff); + falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16); + + ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD); + falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff); + + ret_value = rtl_get_bbreg(hw, ROFDM0_FRAMESYNC, MASKDWORD); + falsealm_cnt->cnt_fast_fsync_fail = (ret_value & 0xffff); + falsealm_cnt->cnt_sb_search_fail = ((ret_value & 0xffff0000) >> 16); + + falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail + + falsealm_cnt->cnt_rate_illegal + + falsealm_cnt->cnt_crc8_fail + + falsealm_cnt->cnt_mcs_fail + + falsealm_cnt->cnt_fast_fsync_fail + + falsealm_cnt->cnt_sb_search_fail; + + rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1); + ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0); + falsealm_cnt->cnt_cck_fail = ret_value; + + ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERUPPER, MASKBYTE3); + falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8; + falsealm_cnt->cnt_all = (falsealm_cnt->cnt_parity_fail + + falsealm_cnt->cnt_rate_illegal + + falsealm_cnt->cnt_crc8_fail + + falsealm_cnt->cnt_mcs_fail + + falsealm_cnt->cnt_cck_fail); + + rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 1); + rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 0); + rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 0); + rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 2); + + RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, + "cnt_parity_fail = %d, cnt_rate_illegal = %d, cnt_crc8_fail = %d, cnt_mcs_fail = %d\n", + falsealm_cnt->cnt_parity_fail, + falsealm_cnt->cnt_rate_illegal, + falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail); + + RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, + "cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n", + falsealm_cnt->cnt_ofdm_fail, + falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all); +} + +static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct dig_t *dm_digtable = &rtlpriv->dm_digtable; + u8 value_igi = dm_digtable->cur_igvalue; + + if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0) + value_igi--; + else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1) + value_igi += 0; + else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH2) + value_igi++; + else if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2) + value_igi += 2; + + if (value_igi > DM_DIG_FA_UPPER) + value_igi = DM_DIG_FA_UPPER; + else if (value_igi < DM_DIG_FA_LOWER) + value_igi = DM_DIG_FA_LOWER; + + if (rtlpriv->falsealm_cnt.cnt_all > 10000) + value_igi = DM_DIG_FA_UPPER; + + dm_digtable->cur_igvalue = value_igi; + rtl92c_dm_write_dig(hw); +} + +static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct dig_t *digtable = &rtlpriv->dm_digtable; + u32 isbt; + + /* modify DIG lower bound, deal with abnorally large false alarm */ + if (rtlpriv->falsealm_cnt.cnt_all > 10000) { + digtable->large_fa_hit++; + if (digtable->forbidden_igi < digtable->cur_igvalue) { + digtable->forbidden_igi = digtable->cur_igvalue; + digtable->large_fa_hit = 1; + } + + if (digtable->large_fa_hit >= 3) { + if ((digtable->forbidden_igi + 1) > + digtable->rx_gain_max) + digtable->rx_gain_min = digtable->rx_gain_max; + else + digtable->rx_gain_min = (digtable->forbidden_igi + 1); + digtable->recover_cnt = 3600; /* 3600=2hr */ + } + } else { + /* Recovery mechanism for IGI lower bound */ + if (digtable->recover_cnt != 0) { + digtable->recover_cnt--; + } else { + if (digtable->large_fa_hit == 0) { + if ((digtable->forbidden_igi-1) < DM_DIG_MIN) { + digtable->forbidden_igi = DM_DIG_MIN; + digtable->rx_gain_min = DM_DIG_MIN; + } else { + digtable->forbidden_igi--; + digtable->rx_gain_min = digtable->forbidden_igi + 1; + } + } else if (digtable->large_fa_hit == 3) { + digtable->large_fa_hit = 0; + } + } + } + if (rtlpriv->falsealm_cnt.cnt_all < 250) { + isbt = rtl_read_byte(rtlpriv, 0x4fd) & 0x01; + + if (!isbt) { + if (rtlpriv->falsealm_cnt.cnt_all > + digtable->fa_lowthresh) { + if ((digtable->back_val - 2) < + digtable->back_range_min) + digtable->back_val = digtable->back_range_min; + else + digtable->back_val -= 2; + } else if (rtlpriv->falsealm_cnt.cnt_all < + digtable->fa_lowthresh) { + if ((digtable->back_val + 2) > + digtable->back_range_max) + digtable->back_val = digtable->back_range_max; + else + digtable->back_val += 2; + } + } else { + digtable->back_val = DM_DIG_BACKOFF_DEFAULT; + } + } else { + /* Adjust initial gain by false alarm */ + if (rtlpriv->falsealm_cnt.cnt_all > 1000) + digtable->cur_igvalue = digtable->pre_igvalue + 2; + else if (rtlpriv->falsealm_cnt.cnt_all > 750) + digtable->cur_igvalue = digtable->pre_igvalue + 1; + else if (rtlpriv->falsealm_cnt.cnt_all < 500) + digtable->cur_igvalue = digtable->pre_igvalue - 1; + } + + /* Check initial gain by upper/lower bound */ + if (digtable->cur_igvalue > digtable->rx_gain_max) + digtable->cur_igvalue = digtable->rx_gain_max; + + if (digtable->cur_igvalue < digtable->rx_gain_min) + digtable->cur_igvalue = digtable->rx_gain_min; + + rtl92c_dm_write_dig(hw); +} + +static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw) +{ + static u8 initialized; /* initialized to false */ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct dig_t *dm_digtable = &rtlpriv->dm_digtable; + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + long rssi_strength = rtlpriv->dm.entry_min_undec_sm_pwdb; + bool multi_sta = false; + + if (mac->opmode == NL80211_IFTYPE_ADHOC) + multi_sta = true; + + if (!multi_sta || + dm_digtable->cursta_cstate == DIG_STA_DISCONNECT) { + initialized = false; + dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; + return; + } else if (initialized == false) { + initialized = true; + dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0; + dm_digtable->cur_igvalue = 0x20; + rtl92c_dm_write_dig(hw); + } + + if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) { + if ((rssi_strength < dm_digtable->rssi_lowthresh) && + (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) { + + if (dm_digtable->dig_ext_port_stage == + DIG_EXT_PORT_STAGE_2) { + dm_digtable->cur_igvalue = 0x20; + rtl92c_dm_write_dig(hw); + } + + dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_1; + } else if (rssi_strength > dm_digtable->rssi_highthresh) { + dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_2; + rtl92c_dm_ctrl_initgain_by_fa(hw); + } + } else if (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) { + dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0; + dm_digtable->cur_igvalue = 0x20; + rtl92c_dm_write_dig(hw); + } + + RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, + "curmultista_cstate = %x dig_ext_port_stage %x\n", + dm_digtable->curmultista_cstate, + dm_digtable->dig_ext_port_stage); +} + +static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct dig_t *dm_digtable = &rtlpriv->dm_digtable; + + RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, + "presta_cstate = %x, cursta_cstate = %x\n", + dm_digtable->presta_cstate, dm_digtable->cursta_cstate); + if (dm_digtable->presta_cstate == dm_digtable->cursta_cstate || + dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT || + dm_digtable->cursta_cstate == DIG_STA_CONNECT) { + + if (dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) { + dm_digtable->rssi_val_min = + rtl92c_dm_initial_gain_min_pwdb(hw); + if (dm_digtable->rssi_val_min > 100) + dm_digtable->rssi_val_min = 100; + rtl92c_dm_ctrl_initgain_by_rssi(hw); + } + } else { + dm_digtable->rssi_val_min = 0; + dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; + dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT; + dm_digtable->cur_igvalue = 0x20; + dm_digtable->pre_igvalue = 0; + rtl92c_dm_write_dig(hw); + } +} + +static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct dig_t *dm_digtable = &rtlpriv->dm_digtable; + + if (dm_digtable->cursta_cstate == DIG_STA_CONNECT) { + dm_digtable->rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw); + if (dm_digtable->rssi_val_min > 100) + dm_digtable->rssi_val_min = 100; + + if (dm_digtable->pre_cck_pd_state == CCK_PD_STAGE_LowRssi) { + if (dm_digtable->rssi_val_min <= 25) + dm_digtable->cur_cck_pd_state = + CCK_PD_STAGE_LowRssi; + else + dm_digtable->cur_cck_pd_state = + CCK_PD_STAGE_HighRssi; + } else { + if (dm_digtable->rssi_val_min <= 20) + dm_digtable->cur_cck_pd_state = + CCK_PD_STAGE_LowRssi; + else + dm_digtable->cur_cck_pd_state = + CCK_PD_STAGE_HighRssi; + } + } else { + dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX; + } + + if (dm_digtable->pre_cck_pd_state != dm_digtable->cur_cck_pd_state) { + if ((dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_LowRssi) || + (dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_MAX)) + rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0x83); + else + rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd); + + dm_digtable->pre_cck_pd_state = dm_digtable->cur_cck_pd_state; + } +} + +static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct dig_t *dm_digtable = &rtlpriv->dm_digtable; + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + + if (mac->act_scanning) + return; + + if (mac->link_state >= MAC80211_LINKED) + dm_digtable->cursta_cstate = DIG_STA_CONNECT; + else + dm_digtable->cursta_cstate = DIG_STA_DISCONNECT; + + dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT; + + rtl92c_dm_initial_gain_sta(hw); + rtl92c_dm_initial_gain_multi_sta(hw); + rtl92c_dm_cck_packet_detection_thresh(hw); + + dm_digtable->presta_cstate = dm_digtable->cursta_cstate; + +} + +static void rtl92c_dm_dig(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + if (rtlpriv->dm.dm_initialgain_enable == false) + return; + if (!(rtlpriv->dm.dm_flag & DYNAMIC_FUNC_DIG)) + return; + + rtl92c_dm_ctrl_initgain_by_twoport(hw); +} + +static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + if (rtlpriv->rtlhal.interface == INTF_USB && + rtlpriv->rtlhal.board_type & 0x1) { + dm_savepowerindex(hw); + rtlpriv->dm.dynamic_txpower_enable = true; + } else { + rtlpriv->dm.dynamic_txpower_enable = false; + } + rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL; + rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; +} + +void rtl92c_dm_write_dig(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct dig_t *dm_digtable = &rtlpriv->dm_digtable; + + RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD, + "cur_igvalue = 0x%x, pre_igvalue = 0x%x, back_val = %d\n", + dm_digtable->cur_igvalue, dm_digtable->pre_igvalue, + dm_digtable->back_val); + + if (rtlpriv->rtlhal.interface == INTF_USB && + !dm_digtable->dig_enable_flag) { + dm_digtable->pre_igvalue = 0x17; + return; + } + dm_digtable->cur_igvalue -= 1; + if (dm_digtable->cur_igvalue < DM_DIG_MIN) + dm_digtable->cur_igvalue = DM_DIG_MIN; + + if (dm_digtable->pre_igvalue != dm_digtable->cur_igvalue) { + rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f, + dm_digtable->cur_igvalue); + rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f, + dm_digtable->cur_igvalue); + + dm_digtable->pre_igvalue = dm_digtable->cur_igvalue; + } + RT_TRACE(rtlpriv, COMP_DIG, DBG_WARNING, + "dig values 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", + dm_digtable->cur_igvalue, dm_digtable->pre_igvalue, + dm_digtable->rssi_val_min, dm_digtable->back_val, + dm_digtable->rx_gain_max, dm_digtable->rx_gain_min, + dm_digtable->large_fa_hit, dm_digtable->forbidden_igi); +} +EXPORT_SYMBOL(rtl92c_dm_write_dig); + +static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff; + + if (mac->link_state != MAC80211_LINKED) + return; + + if (mac->opmode == NL80211_IFTYPE_ADHOC || + mac->opmode == NL80211_IFTYPE_AP) { + /* TODO: Handle ADHOC and AP Mode */ + } + + if (tmpentry_max_pwdb != 0) + rtlpriv->dm.entry_max_undec_sm_pwdb = tmpentry_max_pwdb; + else + rtlpriv->dm.entry_max_undec_sm_pwdb = 0; + + if (tmpentry_min_pwdb != 0xff) + rtlpriv->dm.entry_min_undec_sm_pwdb = tmpentry_min_pwdb; + else + rtlpriv->dm.entry_min_undec_sm_pwdb = 0; + +/* TODO: + * if (mac->opmode == NL80211_IFTYPE_STATION) { + * if (rtlpriv->rtlhal.fw_ready) { + * u32 param = (u32)(rtlpriv->dm.undec_sm_pwdb << 16); + * rtl8192c_set_rssi_cmd(hw, param); + * } + * } + */ +} + +void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + rtlpriv->dm.current_turbo_edca = false; + rtlpriv->dm.is_any_nonbepkts = false; + rtlpriv->dm.is_cur_rdlstate = false; +} +EXPORT_SYMBOL(rtl92c_dm_init_edca_turbo); + +static void rtl92c_dm_check_edca_turbo(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + + static u64 last_txok_cnt; + static u64 last_rxok_cnt; + static u32 last_bt_edca_ul; + static u32 last_bt_edca_dl; + u64 cur_txok_cnt = 0; + u64 cur_rxok_cnt = 0; + u32 edca_be_ul = 0x5ea42b; + u32 edca_be_dl = 0x5ea42b; + bool bt_change_edca = false; + + if ((last_bt_edca_ul != rtlpcipriv->bt_coexist.bt_edca_ul) || + (last_bt_edca_dl != rtlpcipriv->bt_coexist.bt_edca_dl)) { + rtlpriv->dm.current_turbo_edca = false; + last_bt_edca_ul = rtlpcipriv->bt_coexist.bt_edca_ul; + last_bt_edca_dl = rtlpcipriv->bt_coexist.bt_edca_dl; + } + + if (rtlpcipriv->bt_coexist.bt_edca_ul != 0) { + edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_ul; + bt_change_edca = true; + } + + if (rtlpcipriv->bt_coexist.bt_edca_dl != 0) { + edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_dl; + bt_change_edca = true; + } + + if (mac->link_state != MAC80211_LINKED) { + rtlpriv->dm.current_turbo_edca = false; + return; + } + + if ((!mac->ht_enable) && (!rtlpcipriv->bt_coexist.bt_coexistence)) { + if (!(edca_be_ul & 0xffff0000)) + edca_be_ul |= 0x005e0000; + + if (!(edca_be_dl & 0xffff0000)) + edca_be_dl |= 0x005e0000; + } + + if ((bt_change_edca) || ((!rtlpriv->dm.is_any_nonbepkts) && + (!rtlpriv->dm.disable_framebursting))) { + + cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt; + cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt; + + if (cur_rxok_cnt > 4 * cur_txok_cnt) { + if (!rtlpriv->dm.is_cur_rdlstate || + !rtlpriv->dm.current_turbo_edca) { + rtl_write_dword(rtlpriv, + REG_EDCA_BE_PARAM, + edca_be_dl); + rtlpriv->dm.is_cur_rdlstate = true; + } + } else { + if (rtlpriv->dm.is_cur_rdlstate || + !rtlpriv->dm.current_turbo_edca) { + rtl_write_dword(rtlpriv, + REG_EDCA_BE_PARAM, + edca_be_ul); + rtlpriv->dm.is_cur_rdlstate = false; + } + } + rtlpriv->dm.current_turbo_edca = true; + } else { + if (rtlpriv->dm.current_turbo_edca) { + u8 tmp = AC0_BE; + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM, + &tmp); + rtlpriv->dm.current_turbo_edca = false; + } + } + + rtlpriv->dm.is_any_nonbepkts = false; + last_txok_cnt = rtlpriv->stats.txbytesunicast; + last_rxok_cnt = rtlpriv->stats.rxbytesunicast; +} + +static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw + *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + struct rtl_phy *rtlphy = &(rtlpriv->phy); + struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); + u8 thermalvalue, delta, delta_lck, delta_iqk; + long ele_a, ele_d, temp_cck, val_x, value32; + long val_y, ele_c = 0; + u8 ofdm_index[2], ofdm_index_old[2] = {0, 0}, cck_index_old = 0; + s8 cck_index = 0; + int i; + bool is2t = IS_92C_SERIAL(rtlhal->version); + s8 txpwr_level[3] = {0, 0, 0}; + u8 ofdm_min_index = 6, rf; + + rtlpriv->dm.txpower_trackinginit = true; + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + "rtl92c_dm_txpower_tracking_callback_thermalmeter\n"); + + thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f); + + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + "Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x\n", + thermalvalue, rtlpriv->dm.thermalvalue, + rtlefuse->eeprom_thermalmeter); + + rtl92c_phy_ap_calibrate(hw, (thermalvalue - + rtlefuse->eeprom_thermalmeter)); + if (is2t) + rf = 2; + else + rf = 1; + + if (thermalvalue) { + ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE, + MASKDWORD) & MASKOFDM_D; + + for (i = 0; i < OFDM_TABLE_LENGTH; i++) { + if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) { + ofdm_index_old[0] = (u8) i; + + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + "Initial pathA ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n", + ROFDM0_XATXIQIMBALANCE, + ele_d, ofdm_index_old[0]); + break; + } + } + + if (is2t) { + ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE, + MASKDWORD) & MASKOFDM_D; + + for (i = 0; i < OFDM_TABLE_LENGTH; i++) { + if (ele_d == (ofdmswing_table[i] & + MASKOFDM_D)) { + ofdm_index_old[1] = (u8) i; + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, + DBG_LOUD, + "Initial pathB ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n", + ROFDM0_XBTXIQIMBALANCE, ele_d, + ofdm_index_old[1]); + break; + } + } + } + + temp_cck = + rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK; + + for (i = 0; i < CCK_TABLE_LENGTH; i++) { + if (rtlpriv->dm.cck_inch14) { + if (memcmp((void *)&temp_cck, + (void *)&cckswing_table_ch14[i][2], + 4) == 0) { + cck_index_old = (u8) i; + + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, + DBG_LOUD, + "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch 14 %d\n", + RCCK0_TXFILTER2, temp_cck, + cck_index_old, + rtlpriv->dm.cck_inch14); + break; + } + } else { + if (memcmp((void *)&temp_cck, + (void *) + &cckswing_table_ch1ch13[i][2], + 4) == 0) { + cck_index_old = (u8) i; + + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, + DBG_LOUD, + "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch14 %d\n", + RCCK0_TXFILTER2, temp_cck, + cck_index_old, + rtlpriv->dm.cck_inch14); + break; + } + } + } + + if (!rtlpriv->dm.thermalvalue) { + rtlpriv->dm.thermalvalue = + rtlefuse->eeprom_thermalmeter; + rtlpriv->dm.thermalvalue_lck = thermalvalue; + rtlpriv->dm.thermalvalue_iqk = thermalvalue; + for (i = 0; i < rf; i++) + rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i]; + rtlpriv->dm.cck_index = cck_index_old; + } + /* Handle USB High PA boards */ + + delta = (thermalvalue > rtlpriv->dm.thermalvalue) ? + (thermalvalue - rtlpriv->dm.thermalvalue) : + (rtlpriv->dm.thermalvalue - thermalvalue); + + delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ? + (thermalvalue - rtlpriv->dm.thermalvalue_lck) : + (rtlpriv->dm.thermalvalue_lck - thermalvalue); + + delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ? + (thermalvalue - rtlpriv->dm.thermalvalue_iqk) : + (rtlpriv->dm.thermalvalue_iqk - thermalvalue); + + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + "Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x delta 0x%x delta_lck 0x%x delta_iqk 0x%x\n", + thermalvalue, rtlpriv->dm.thermalvalue, + rtlefuse->eeprom_thermalmeter, delta, delta_lck, + delta_iqk); + + if (delta_lck > 1) { + rtlpriv->dm.thermalvalue_lck = thermalvalue; + rtl92c_phy_lc_calibrate(hw); + } + + if (delta > 0 && rtlpriv->dm.txpower_track_control) { + if (thermalvalue > rtlpriv->dm.thermalvalue) { + for (i = 0; i < rf; i++) + rtlpriv->dm.ofdm_index[i] -= delta; + rtlpriv->dm.cck_index -= delta; + } else { + for (i = 0; i < rf; i++) + rtlpriv->dm.ofdm_index[i] += delta; + rtlpriv->dm.cck_index += delta; + } + + if (is2t) { + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + "temp OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n", + rtlpriv->dm.ofdm_index[0], + rtlpriv->dm.ofdm_index[1], + rtlpriv->dm.cck_index); + } else { + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + "temp OFDM_A_index=0x%x, cck_index=0x%x\n", + rtlpriv->dm.ofdm_index[0], + rtlpriv->dm.cck_index); + } + + if (thermalvalue > rtlefuse->eeprom_thermalmeter) { + for (i = 0; i < rf; i++) + ofdm_index[i] = + rtlpriv->dm.ofdm_index[i] + + 1; + cck_index = rtlpriv->dm.cck_index + 1; + } else { + for (i = 0; i < rf; i++) + ofdm_index[i] = + rtlpriv->dm.ofdm_index[i]; + cck_index = rtlpriv->dm.cck_index; + } + + for (i = 0; i < rf; i++) { + if (txpwr_level[i] >= 0 && + txpwr_level[i] <= 26) { + if (thermalvalue > + rtlefuse->eeprom_thermalmeter) { + if (delta < 5) + ofdm_index[i] -= 1; + + else + ofdm_index[i] -= 2; + } else if (delta > 5 && thermalvalue < + rtlefuse-> + eeprom_thermalmeter) { + ofdm_index[i] += 1; + } + } else if (txpwr_level[i] >= 27 && + txpwr_level[i] <= 32 + && thermalvalue > + rtlefuse->eeprom_thermalmeter) { + if (delta < 5) + ofdm_index[i] -= 1; + + else + ofdm_index[i] -= 2; + } else if (txpwr_level[i] >= 32 && + txpwr_level[i] <= 38 && + thermalvalue > + rtlefuse->eeprom_thermalmeter + && delta > 5) { + ofdm_index[i] -= 1; + } + } + + if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) { + if (thermalvalue > + rtlefuse->eeprom_thermalmeter) { + if (delta < 5) + cck_index -= 1; + + else + cck_index -= 2; + } else if (delta > 5 && thermalvalue < + rtlefuse->eeprom_thermalmeter) { + cck_index += 1; + } + } else if (txpwr_level[i] >= 27 && + txpwr_level[i] <= 32 && + thermalvalue > + rtlefuse->eeprom_thermalmeter) { + if (delta < 5) + cck_index -= 1; + + else + cck_index -= 2; + } else if (txpwr_level[i] >= 32 && + txpwr_level[i] <= 38 && + thermalvalue > rtlefuse->eeprom_thermalmeter + && delta > 5) { + cck_index -= 1; + } + + for (i = 0; i < rf; i++) { + if (ofdm_index[i] > OFDM_TABLE_SIZE - 1) + ofdm_index[i] = OFDM_TABLE_SIZE - 1; + + else if (ofdm_index[i] < ofdm_min_index) + ofdm_index[i] = ofdm_min_index; + } + + if (cck_index > CCK_TABLE_SIZE - 1) + cck_index = CCK_TABLE_SIZE - 1; + else if (cck_index < 0) + cck_index = 0; + + if (is2t) { + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + "new OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n", + ofdm_index[0], ofdm_index[1], + cck_index); + } else { + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + "new OFDM_A_index=0x%x, cck_index=0x%x\n", + ofdm_index[0], cck_index); + } + } + + if (rtlpriv->dm.txpower_track_control && delta != 0) { + ele_d = + (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22; + val_x = rtlphy->reg_e94; + val_y = rtlphy->reg_e9c; + + if (val_x != 0) { + if ((val_x & 0x00000200) != 0) + val_x = val_x | 0xFFFFFC00; + ele_a = ((val_x * ele_d) >> 8) & 0x000003FF; + + if ((val_y & 0x00000200) != 0) + val_y = val_y | 0xFFFFFC00; + ele_c = ((val_y * ele_d) >> 8) & 0x000003FF; + + value32 = (ele_d << 22) | + ((ele_c & 0x3F) << 16) | ele_a; + + rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, + MASKDWORD, value32); + + value32 = (ele_c & 0x000003C0) >> 6; + rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS, + value32); + + value32 = ((val_x * ele_d) >> 7) & 0x01; + rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, + BIT(31), value32); + + value32 = ((val_y * ele_d) >> 7) & 0x01; + rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, + BIT(29), value32); + } else { + rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, + MASKDWORD, + ofdmswing_table[ofdm_index[0]]); + + rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS, + 0x00); + rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, + BIT(31) | BIT(29), 0x00); + } + + if (!rtlpriv->dm.cck_inch14) { + rtl_write_byte(rtlpriv, 0xa22, + cckswing_table_ch1ch13[cck_index] + [0]); + rtl_write_byte(rtlpriv, 0xa23, + cckswing_table_ch1ch13[cck_index] + [1]); + rtl_write_byte(rtlpriv, 0xa24, + cckswing_table_ch1ch13[cck_index] + [2]); + rtl_write_byte(rtlpriv, 0xa25, + cckswing_table_ch1ch13[cck_index] + [3]); + rtl_write_byte(rtlpriv, 0xa26, + cckswing_table_ch1ch13[cck_index] + [4]); + rtl_write_byte(rtlpriv, 0xa27, + cckswing_table_ch1ch13[cck_index] + [5]); + rtl_write_byte(rtlpriv, 0xa28, + cckswing_table_ch1ch13[cck_index] + [6]); + rtl_write_byte(rtlpriv, 0xa29, + cckswing_table_ch1ch13[cck_index] + [7]); + } else { + rtl_write_byte(rtlpriv, 0xa22, + cckswing_table_ch14[cck_index] + [0]); + rtl_write_byte(rtlpriv, 0xa23, + cckswing_table_ch14[cck_index] + [1]); + rtl_write_byte(rtlpriv, 0xa24, + cckswing_table_ch14[cck_index] + [2]); + rtl_write_byte(rtlpriv, 0xa25, + cckswing_table_ch14[cck_index] + [3]); + rtl_write_byte(rtlpriv, 0xa26, + cckswing_table_ch14[cck_index] + [4]); + rtl_write_byte(rtlpriv, 0xa27, + cckswing_table_ch14[cck_index] + [5]); + rtl_write_byte(rtlpriv, 0xa28, + cckswing_table_ch14[cck_index] + [6]); + rtl_write_byte(rtlpriv, 0xa29, + cckswing_table_ch14[cck_index] + [7]); + } + + if (is2t) { + ele_d = (ofdmswing_table[ofdm_index[1]] & + 0xFFC00000) >> 22; + + val_x = rtlphy->reg_eb4; + val_y = rtlphy->reg_ebc; + + if (val_x != 0) { + if ((val_x & 0x00000200) != 0) + val_x = val_x | 0xFFFFFC00; + ele_a = ((val_x * ele_d) >> 8) & + 0x000003FF; + + if ((val_y & 0x00000200) != 0) + val_y = val_y | 0xFFFFFC00; + ele_c = ((val_y * ele_d) >> 8) & + 0x00003FF; + + value32 = (ele_d << 22) | + ((ele_c & 0x3F) << 16) | ele_a; + rtl_set_bbreg(hw, + ROFDM0_XBTXIQIMBALANCE, + MASKDWORD, value32); + + value32 = (ele_c & 0x000003C0) >> 6; + rtl_set_bbreg(hw, ROFDM0_XDTXAFE, + MASKH4BITS, value32); + + value32 = ((val_x * ele_d) >> 7) & 0x01; + rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, + BIT(27), value32); + + value32 = ((val_y * ele_d) >> 7) & 0x01; + rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, + BIT(25), value32); + } else { + rtl_set_bbreg(hw, + ROFDM0_XBTXIQIMBALANCE, + MASKDWORD, + ofdmswing_table[ofdm_index + [1]]); + rtl_set_bbreg(hw, ROFDM0_XDTXAFE, + MASKH4BITS, 0x00); + rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, + BIT(27) | BIT(25), 0x00); + } + + } + } + + if (delta_iqk > 3) { + rtlpriv->dm.thermalvalue_iqk = thermalvalue; + rtl92c_phy_iq_calibrate(hw, false); + } + + if (rtlpriv->dm.txpower_track_control) + rtlpriv->dm.thermalvalue = thermalvalue; + } + + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===\n"); + +} + +static void rtl92c_dm_initialize_txpower_tracking_thermalmeter( + struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + rtlpriv->dm.txpower_tracking = true; + rtlpriv->dm.txpower_trackinginit = false; + + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + "pMgntInfo->txpower_tracking = %d\n", + rtlpriv->dm.txpower_tracking); +} + +static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw) +{ + rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw); +} + +static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw) +{ + rtl92c_dm_txpower_tracking_callback_thermalmeter(hw); +} + +static void rtl92c_dm_check_txpower_tracking_thermal_meter( + struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + static u8 tm_trigger; + + if (!rtlpriv->dm.txpower_tracking) + return; + + if (!tm_trigger) { + rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK, + 0x60); + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + "Trigger 92S Thermal Meter!!\n"); + tm_trigger = 1; + return; + } else { + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + "Schedule TxPowerTracking direct call!!\n"); + rtl92c_dm_txpower_tracking_directcall(hw); + tm_trigger = 0; + } +} + +void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw) +{ + rtl92c_dm_check_txpower_tracking_thermal_meter(hw); +} +EXPORT_SYMBOL(rtl92c_dm_check_txpower_tracking); + +void rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rate_adaptive *p_ra = &(rtlpriv->ra); + + p_ra->ratr_state = DM_RATR_STA_INIT; + p_ra->pre_ratr_state = DM_RATR_STA_INIT; + + if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER) + rtlpriv->dm.useramask = true; + else + rtlpriv->dm.useramask = false; + +} +EXPORT_SYMBOL(rtl92c_dm_init_rate_adaptive_mask); + +static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct ps_t *dm_pstable = &rtlpriv->dm_pstable; + + dm_pstable->pre_ccastate = CCA_MAX; + dm_pstable->cur_ccasate = CCA_MAX; + dm_pstable->pre_rfstate = RF_MAX; + dm_pstable->cur_rfstate = RF_MAX; + dm_pstable->rssi_val_min = 0; +} + +void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct ps_t *dm_pstable = &rtlpriv->dm_pstable; + + if (!rtlpriv->reg_init) { + rtlpriv->reg_874 = (rtl_get_bbreg(hw, + RFPGA0_XCD_RFINTERFACESW, + MASKDWORD) & 0x1CC000) >> 14; + + rtlpriv->reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1, + MASKDWORD) & BIT(3)) >> 3; + + rtlpriv->reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, + MASKDWORD) & 0xFF000000) >> 24; + + rtlpriv->reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & + 0xF000) >> 12; + + rtlpriv->reg_init = true; + } + + if (!bforce_in_normal) { + if (dm_pstable->rssi_val_min != 0) { + if (dm_pstable->pre_rfstate == RF_NORMAL) { + if (dm_pstable->rssi_val_min >= 30) + dm_pstable->cur_rfstate = RF_SAVE; + else + dm_pstable->cur_rfstate = RF_NORMAL; + } else { + if (dm_pstable->rssi_val_min <= 25) + dm_pstable->cur_rfstate = RF_NORMAL; + else + dm_pstable->cur_rfstate = RF_SAVE; + } + } else { + dm_pstable->cur_rfstate = RF_MAX; + } + } else { + dm_pstable->cur_rfstate = RF_NORMAL; + } + + if (dm_pstable->pre_rfstate != dm_pstable->cur_rfstate) { + if (dm_pstable->cur_rfstate == RF_SAVE) { + rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW, + 0x1C0000, 0x2); + rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0); + rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, + 0xFF000000, 0x63); + rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW, + 0xC000, 0x2); + rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3); + rtl_set_bbreg(hw, 0x818, BIT(28), 0x0); + rtl_set_bbreg(hw, 0x818, BIT(28), 0x1); + } else { + rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW, + 0x1CC000, rtlpriv->reg_874); + rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), + rtlpriv->reg_c70); + rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000, + rtlpriv->reg_85c); + rtl_set_bbreg(hw, 0xa74, 0xF000, rtlpriv->reg_a74); + rtl_set_bbreg(hw, 0x818, BIT(28), 0x0); + } + + dm_pstable->pre_rfstate = dm_pstable->cur_rfstate; + } +} +EXPORT_SYMBOL(rtl92c_dm_rf_saving); + +static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct ps_t *dm_pstable = &rtlpriv->dm_pstable; + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + + /* Determine the minimum RSSI */ + if (((mac->link_state == MAC80211_NOLINK)) && + (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) { + dm_pstable->rssi_val_min = 0; + RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, "Not connected to any\n"); + } + + if (mac->link_state == MAC80211_LINKED) { + if (mac->opmode == NL80211_IFTYPE_ADHOC) { + dm_pstable->rssi_val_min = + rtlpriv->dm.entry_min_undec_sm_pwdb; + RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, + "AP Client PWDB = 0x%lx\n", + dm_pstable->rssi_val_min); + } else { + dm_pstable->rssi_val_min = rtlpriv->dm.undec_sm_pwdb; + RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, + "STA Default Port PWDB = 0x%lx\n", + dm_pstable->rssi_val_min); + } + } else { + dm_pstable->rssi_val_min = + rtlpriv->dm.entry_min_undec_sm_pwdb; + + RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, + "AP Ext Port PWDB = 0x%lx\n", + dm_pstable->rssi_val_min); + } + + /* Power Saving for 92C */ + if (IS_92C_SERIAL(rtlhal->version)) + ;/* rtl92c_dm_1r_cca(hw); */ + else + rtl92c_dm_rf_saving(hw, false); +} + +void rtl92c_dm_init(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER; + rtlpriv->dm.dm_flag = DYNAMIC_FUNC_DISABLE | DYNAMIC_FUNC_DIG; + rtlpriv->dm.undec_sm_pwdb = -1; + rtlpriv->dm.undec_sm_cck = -1; + rtlpriv->dm.dm_initialgain_enable = true; + rtl92c_dm_diginit(hw); + + rtlpriv->dm.dm_flag |= HAL_DM_HIPWR_DISABLE; + rtl92c_dm_init_dynamic_txpower(hw); + + rtl92c_dm_init_edca_turbo(hw); + rtl92c_dm_init_rate_adaptive_mask(hw); + rtlpriv->dm.dm_flag |= DYNAMIC_FUNC_SS; + rtl92c_dm_initialize_txpower_tracking(hw); + rtl92c_dm_init_dynamic_bb_powersaving(hw); + + rtlpriv->dm.ofdm_pkt_cnt = 0; + rtlpriv->dm.dm_rssi_sel = RSSI_DEFAULT; +} +EXPORT_SYMBOL(rtl92c_dm_init); + +void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &(rtlpriv->phy); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + long undec_sm_pwdb; + + if (!rtlpriv->dm.dynamic_txpower_enable) + return; + + if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) { + rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; + return; + } + + if ((mac->link_state < MAC80211_LINKED) && + (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) { + RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE, + "Not connected to any\n"); + + rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; + + rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL; + return; + } + + if (mac->link_state >= MAC80211_LINKED) { + if (mac->opmode == NL80211_IFTYPE_ADHOC) { + undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb; + RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, + "AP Client PWDB = 0x%lx\n", + undec_sm_pwdb); + } else { + undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb; + RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, + "STA Default Port PWDB = 0x%lx\n", + undec_sm_pwdb); + } + } else { + undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb; + + RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, + "AP Ext Port PWDB = 0x%lx\n", + undec_sm_pwdb); + } + + if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) { + rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL2; + RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, + "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n"); + } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) && + (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) { + + rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1; + RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, + "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n"); + } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) { + rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; + RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, + "TXHIGHPWRLEVEL_NORMAL\n"); + } + + if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) { + RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, + "PHY_SetTxPowerLevel8192S() Channel = %d\n", + rtlphy->current_channel); + rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel); + if (rtlpriv->dm.dynamic_txhighpower_lvl == + TXHIGHPWRLEVEL_NORMAL) + dm_restorepowerindex(hw); + else if (rtlpriv->dm.dynamic_txhighpower_lvl == + TXHIGHPWRLEVEL_LEVEL1) + dm_writepowerindex(hw, 0x14); + else if (rtlpriv->dm.dynamic_txhighpower_lvl == + TXHIGHPWRLEVEL_LEVEL2) + dm_writepowerindex(hw, 0x10); + } + rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl; +} + +void rtl92c_dm_watchdog(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); + bool fw_current_inpsmode = false; + bool fw_ps_awake = true; + + rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS, + (u8 *) (&fw_current_inpsmode)); + rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON, + (u8 *) (&fw_ps_awake)); + + if (ppsc->p2p_ps_info.p2p_ps_mode) + fw_ps_awake = false; + + if ((ppsc->rfpwr_state == ERFON) && ((!fw_current_inpsmode) && + fw_ps_awake) + && (!ppsc->rfchange_inprogress)) { + rtl92c_dm_pwdb_monitor(hw); + rtl92c_dm_dig(hw); + rtl92c_dm_false_alarm_counter_statistics(hw); + rtl92c_dm_dynamic_bb_powersaving(hw); + rtl92c_dm_dynamic_txpower(hw); + rtl92c_dm_check_txpower_tracking(hw); + /* rtl92c_dm_refresh_rate_adaptive_mask(hw); */ + rtl92c_dm_bt_coexist(hw); + rtl92c_dm_check_edca_turbo(hw); + } +} +EXPORT_SYMBOL(rtl92c_dm_watchdog); + +u8 rtl92c_bt_rssi_state_change(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw); + long undec_sm_pwdb; + u8 curr_bt_rssi_state = 0x00; + + if (rtlpriv->mac80211.link_state == MAC80211_LINKED) { + undec_sm_pwdb = GET_UNDECORATED_AVERAGE_RSSI(rtlpriv); + } else { + if (rtlpriv->dm.entry_min_undec_sm_pwdb == 0) + undec_sm_pwdb = 100; + else + undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb; + } + + /* Check RSSI to determine HighPower/NormalPower state for + * BT coexistence. */ + if (undec_sm_pwdb >= 67) + curr_bt_rssi_state &= (~BT_RSSI_STATE_NORMAL_POWER); + else if (undec_sm_pwdb < 62) + curr_bt_rssi_state |= BT_RSSI_STATE_NORMAL_POWER; + + /* Check RSSI to determine AMPDU setting for BT coexistence. */ + if (undec_sm_pwdb >= 40) + curr_bt_rssi_state &= (~BT_RSSI_STATE_AMDPU_OFF); + else if (undec_sm_pwdb <= 32) + curr_bt_rssi_state |= BT_RSSI_STATE_AMDPU_OFF; + + /* Marked RSSI state. It will be used to determine BT coexistence + * setting later. */ + if (undec_sm_pwdb < 35) + curr_bt_rssi_state |= BT_RSSI_STATE_SPECIAL_LOW; + else + curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW); + + /* Check BT state related to BT_Idle in B/G mode. */ + if (undec_sm_pwdb < 15) + curr_bt_rssi_state |= BT_RSSI_STATE_BG_EDCA_LOW; + else + curr_bt_rssi_state &= (~BT_RSSI_STATE_BG_EDCA_LOW); + + if (curr_bt_rssi_state != rtlpcipriv->bt_coexist.bt_rssi_state) { + rtlpcipriv->bt_coexist.bt_rssi_state = curr_bt_rssi_state; + return true; + } else { + return false; + } +} +EXPORT_SYMBOL(rtl92c_bt_rssi_state_change); + +static bool rtl92c_bt_state_change(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw); + + u32 polling, ratio_tx, ratio_pri; + u32 bt_tx, bt_pri; + u8 bt_state; + u8 cur_service_type; + + if (rtlpriv->mac80211.link_state < MAC80211_LINKED) + return false; + + bt_state = rtl_read_byte(rtlpriv, 0x4fd); + bt_tx = rtl_read_dword(rtlpriv, 0x488); + bt_tx = bt_tx & 0x00ffffff; + bt_pri = rtl_read_dword(rtlpriv, 0x48c); + bt_pri = bt_pri & 0x00ffffff; + polling = rtl_read_dword(rtlpriv, 0x490); + + if (bt_tx == 0xffffffff && bt_pri == 0xffffffff && + polling == 0xffffffff && bt_state == 0xff) + return false; + + bt_state &= BIT_OFFSET_LEN_MASK_32(0, 1); + if (bt_state != rtlpcipriv->bt_coexist.bt_cur_state) { + rtlpcipriv->bt_coexist.bt_cur_state = bt_state; + + if (rtlpcipriv->bt_coexist.reg_bt_sco == 3) { + rtlpcipriv->bt_coexist.bt_service = BT_IDLE; + + bt_state = bt_state | + ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ? + 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) | + BIT_OFFSET_LEN_MASK_32(2, 1); + rtl_write_byte(rtlpriv, 0x4fd, bt_state); + } + return true; + } + + ratio_tx = bt_tx * 1000 / polling; + ratio_pri = bt_pri * 1000 / polling; + rtlpcipriv->bt_coexist.ratio_tx = ratio_tx; + rtlpcipriv->bt_coexist.ratio_pri = ratio_pri; + + if (bt_state && rtlpcipriv->bt_coexist.reg_bt_sco == 3) { + + if ((ratio_tx < 30) && (ratio_pri < 30)) + cur_service_type = BT_IDLE; + else if ((ratio_pri > 110) && (ratio_pri < 250)) + cur_service_type = BT_SCO; + else if ((ratio_tx >= 200) && (ratio_pri >= 200)) + cur_service_type = BT_BUSY; + else if ((ratio_tx >= 350) && (ratio_tx < 500)) + cur_service_type = BT_OTHERBUSY; + else if (ratio_tx >= 500) + cur_service_type = BT_PAN; + else + cur_service_type = BT_OTHER_ACTION; + + if (cur_service_type != rtlpcipriv->bt_coexist.bt_service) { + rtlpcipriv->bt_coexist.bt_service = cur_service_type; + bt_state = bt_state | + ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ? + 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) | + ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) ? + 0 : BIT_OFFSET_LEN_MASK_32(2, 1)); + + /* Add interrupt migration when bt is not ini + * idle state (no traffic). */ + if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) { + rtl_write_word(rtlpriv, 0x504, 0x0ccc); + rtl_write_byte(rtlpriv, 0x506, 0x54); + rtl_write_byte(rtlpriv, 0x507, 0x54); + } else { + rtl_write_byte(rtlpriv, 0x506, 0x00); + rtl_write_byte(rtlpriv, 0x507, 0x00); + } + + rtl_write_byte(rtlpriv, 0x4fd, bt_state); + return true; + } + } + + return false; + +} + +static bool rtl92c_bt_wifi_connect_change(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + static bool media_connect; + + if (rtlpriv->mac80211.link_state < MAC80211_LINKED) { + media_connect = false; + } else { + if (!media_connect) { + media_connect = true; + return true; + } + media_connect = true; + } + + return false; +} + +static void rtl92c_bt_set_normal(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw); + + + if (rtlpcipriv->bt_coexist.bt_service == BT_OTHERBUSY) { + rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72b; + rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72b; + } else if (rtlpcipriv->bt_coexist.bt_service == BT_BUSY) { + rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82f; + rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82f; + } else if (rtlpcipriv->bt_coexist.bt_service == BT_SCO) { + if (rtlpcipriv->bt_coexist.ratio_tx > 160) { + rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72f; + rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72f; + } else { + rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea32b; + rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea42b; + } + } else { + rtlpcipriv->bt_coexist.bt_edca_ul = 0; + rtlpcipriv->bt_coexist.bt_edca_dl = 0; + } + + if ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) && + (rtlpriv->mac80211.mode == WIRELESS_MODE_G || + (rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) && + (rtlpcipriv->bt_coexist.bt_rssi_state & + BT_RSSI_STATE_BG_EDCA_LOW)) { + rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82b; + rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82b; + } +} + +static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw, u8 tmp1byte) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw); + + + /* Only enable HW BT coexist when BT in "Busy" state. */ + if (rtlpriv->mac80211.vendor == PEER_CISCO && + rtlpcipriv->bt_coexist.bt_service == BT_OTHER_ACTION) { + rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0); + } else { + if ((rtlpcipriv->bt_coexist.bt_service == BT_BUSY) && + (rtlpcipriv->bt_coexist.bt_rssi_state & + BT_RSSI_STATE_NORMAL_POWER)) { + rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0); + } else if ((rtlpcipriv->bt_coexist.bt_service == + BT_OTHER_ACTION) && (rtlpriv->mac80211.mode < + WIRELESS_MODE_N_24G) && + (rtlpcipriv->bt_coexist.bt_rssi_state & + BT_RSSI_STATE_SPECIAL_LOW)) { + rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0); + } else if (rtlpcipriv->bt_coexist.bt_service == BT_PAN) { + rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte); + } else { + rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte); + } + } + + if (rtlpcipriv->bt_coexist.bt_service == BT_PAN) + rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100); + else + rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0); + + if (rtlpcipriv->bt_coexist.bt_rssi_state & + BT_RSSI_STATE_NORMAL_POWER) { + rtl92c_bt_set_normal(hw); + } else { + rtlpcipriv->bt_coexist.bt_edca_ul = 0; + rtlpcipriv->bt_coexist.bt_edca_dl = 0; + } + + if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) { + rtlpriv->cfg->ops->set_rfreg(hw, + RF90_PATH_A, + 0x1e, + 0xf0, 0xf); + } else { + rtlpriv->cfg->ops->set_rfreg(hw, + RF90_PATH_A, 0x1e, 0xf0, + rtlpcipriv->bt_coexist.bt_rfreg_origin_1e); + } + + if (!rtlpriv->dm.dynamic_txpower_enable) { + if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) { + if (rtlpcipriv->bt_coexist.bt_rssi_state & + BT_RSSI_STATE_TXPOWER_LOW) { + rtlpriv->dm.dynamic_txhighpower_lvl = + TXHIGHPWRLEVEL_BT2; + } else { + rtlpriv->dm.dynamic_txhighpower_lvl = + TXHIGHPWRLEVEL_BT1; + } + } else { + rtlpriv->dm.dynamic_txhighpower_lvl = + TXHIGHPWRLEVEL_NORMAL; + } + rtl92c_phy_set_txpower_level(hw, + rtlpriv->phy.current_channel); + } +} + +static void rtl92c_check_bt_change(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw); + struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); + u8 tmp1byte = 0; + + if (IS_81xxC_VENDOR_UMC_B_CUT(rtlhal->version) && + rtlpcipriv->bt_coexist.bt_coexistence) + tmp1byte |= BIT(5); + if (rtlpcipriv->bt_coexist.bt_cur_state) { + if (rtlpcipriv->bt_coexist.bt_ant_isolation) + rtl92c_bt_ant_isolation(hw, tmp1byte); + } else { + rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte); + rtlpriv->cfg->ops->set_rfreg(hw, RF90_PATH_A, 0x1e, 0xf0, + rtlpcipriv->bt_coexist.bt_rfreg_origin_1e); + + rtlpcipriv->bt_coexist.bt_edca_ul = 0; + rtlpcipriv->bt_coexist.bt_edca_dl = 0; + } +} + +void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw) +{ + struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw); + + bool wifi_connect_change; + bool bt_state_change; + bool rssi_state_change; + + if ((rtlpcipriv->bt_coexist.bt_coexistence) && + (rtlpcipriv->bt_coexist.bt_coexist_type == BT_CSR_BC4)) { + + wifi_connect_change = rtl92c_bt_wifi_connect_change(hw); + bt_state_change = rtl92c_bt_state_change(hw); + rssi_state_change = rtl92c_bt_rssi_state_change(hw); + + if (wifi_connect_change || bt_state_change || rssi_state_change) + rtl92c_check_bt_change(hw); + } +} +EXPORT_SYMBOL(rtl92c_dm_bt_coexist); |