diff options
Diffstat (limited to 'drivers/staging/rtl8192ee/rtl8192ee/dm.c')
| -rw-r--r-- | drivers/staging/rtl8192ee/rtl8192ee/dm.c | 1258 |
1 files changed, 0 insertions, 1258 deletions
diff --git a/drivers/staging/rtl8192ee/rtl8192ee/dm.c b/drivers/staging/rtl8192ee/rtl8192ee/dm.c deleted file mode 100644 index 41c2d98e81db..000000000000 --- a/drivers/staging/rtl8192ee/rtl8192ee/dm.c +++ /dev/null @@ -1,1258 +0,0 @@ -/****************************************************************************** - * - * 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. - * - * 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 "../wifi.h" -#include "../base.h" -#include "../pci.h" -#include "reg.h" -#include "def.h" -#include "phy.h" -#include "dm.h" -#include "fw.h" -#include "trx.h" - -struct dig_t dm_dig; - -static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = { - 0x7f8001fe, /* 0, +6.0dB */ - 0x788001e2, /* 1, +5.5dB */ - 0x71c001c7, /* 2, +5.0dB */ - 0x6b8001ae, /* 3, +4.5dB */ - 0x65400195, /* 4, +4.0dB */ - 0x5fc0017f, /* 5, +3.5dB */ - 0x5a400169, /* 6, +3.0dB */ - 0x55400155, /* 7, +2.5dB */ - 0x50800142, /* 8, +2.0dB */ - 0x4c000130, /* 9, +1.5dB */ - 0x47c0011f, /* 10, +1.0dB */ - 0x43c0010f, /* 11, +0.5dB */ - 0x40000100, /* 12, +0dB */ - 0x3c8000f2, /* 13, -0.5dB */ - 0x390000e4, /* 14, -1.0dB */ - 0x35c000d7, /* 15, -1.5dB */ - 0x32c000cb, /* 16, -2.0dB */ - 0x300000c0, /* 17, -2.5dB */ - 0x2d4000b5, /* 18, -3.0dB */ - 0x2ac000ab, /* 19, -3.5dB */ - 0x288000a2, /* 20, -4.0dB */ - 0x26000098, /* 21, -4.5dB */ - 0x24000090, /* 22, -5.0dB */ - 0x22000088, /* 23, -5.5dB */ - 0x20000080, /* 24, -6.0dB */ - 0x1e400079, /* 25, -6.5dB */ - 0x1c800072, /* 26, -7.0dB */ - 0x1b00006c, /* 27. -7.5dB */ - 0x19800066, /* 28, -8.0dB */ - 0x18000060, /* 29, -8.5dB */ - 0x16c0005b, /* 30, -9.0dB */ - 0x15800056, /* 31, -9.5dB */ - 0x14400051, /* 32, -10.0dB */ - 0x1300004c, /* 33, -10.5dB */ - 0x12000048, /* 34, -11.0dB */ - 0x11000044, /* 35, -11.5dB */ - 0x10000040, /* 36, -12.0dB */ - 0x0f00003c, /* 37, -12.5dB */ - 0x0e400039, /* 38, -13.0dB */ - 0x0d800036, /* 39, -13.5dB */ - 0x0cc00033, /* 40, -14.0dB */ - 0x0c000030, /* 41, -14.5dB */ - 0x0b40002d, /* 42, -15.0dB */ -}; - -static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = { - {0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04}, /* 0, +0dB */ - {0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04}, /* 1, -0.5dB */ - {0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03}, /* 2, -1.0dB */ - {0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03}, /* 3, -1.5dB */ - {0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03}, /* 4, -2.0dB */ - {0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03}, /* 5, -2.5dB */ - {0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03}, /* 6, -3.0dB */ - {0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03}, /* 7, -3.5dB */ - {0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02}, /* 8, -4.0dB */ - {0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02}, /* 9, -4.5dB */ - {0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02}, /* 10, -5.0dB */ - {0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02}, /* 11, -5.5dB */ - {0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02}, /* 12, -6.0dB */ - {0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02}, /* 13, -6.5dB */ - {0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02}, /* 14, -7.0dB */ - {0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02}, /* 15, -7.5dB */ - {0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01}, /* 16, -8.0dB */ - {0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02}, /* 17, -8.5dB */ - {0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01}, /* 18, -9.0dB */ - {0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, /* 19, -9.5dB */ - {0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, /* 20, -10.0dB */ - {0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01}, /* 21, -10.5dB */ - {0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01}, /* 22, -11.0dB */ - {0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01}, /* 23, -11.5dB */ - {0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01}, /* 24, -12.0dB */ - {0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01}, /* 25, -12.5dB */ - {0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01}, /* 26, -13.0dB */ - {0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01}, /* 27, -13.5dB */ - {0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01}, /* 28, -14.0dB */ - {0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01}, /* 29, -14.5dB */ - {0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01}, /* 30, -15.0dB */ - {0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01}, /* 31, -15.5dB */ - {0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01} /* 32, -16.0dB */ -}; - -static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = { - {0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00}, /* 0, +0dB */ - {0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00}, /* 1, -0.5dB */ - {0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00}, /* 2, -1.0dB */ - {0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00}, /* 3, -1.5dB */ - {0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00}, /* 4, -2.0dB */ - {0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00}, /* 5, -2.5dB */ - {0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00}, /* 6, -3.0dB */ - {0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00}, /* 7, -3.5dB */ - {0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00}, /* 8, -4.0dB */ - {0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00}, /* 9, -4.5dB */ - {0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00}, /* 10, -5.0dB */ - {0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00}, /* 11, -5.5dB */ - {0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00}, /* 12, -6.0dB */ - {0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00}, /* 13, -6.5dB */ - {0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00}, /* 14, -7.0dB */ - {0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00}, /* 15, -7.5dB */ - {0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00}, /* 16, -8.0dB */ - {0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00}, /* 17, -8.5dB */ - {0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00}, /* 18, -9.0dB */ - {0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, /* 19, -9.5dB */ - {0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, /* 20, -10.0dB */ - {0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00}, /* 21, -10.5dB */ - {0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00}, /* 22, -11.0dB */ - {0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, /* 23, -11.5dB */ - {0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, /* 24, -12.0dB */ - {0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 25, -12.5dB */ - {0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 26, -13.0dB */ - {0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 27, -13.5dB */ - {0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 28, -14.0dB */ - {0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 29, -14.5dB */ - {0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 30, -15.0dB */ - {0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 31, -15.5dB */ - {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00} /* 32, -16.0dB */ -}; - -static void rtl92ee_dm_diginit(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - dm_dig.cur_igvalue = rtl_get_bbreg(hw, DM_REG_IGI_A_11N, - DM_BIT_IGI_11N); - dm_dig.rssi_lowthresh = DM_DIG_THRESH_LOW; - dm_dig.rssi_highthresh = DM_DIG_THRESH_HIGH; - dm_dig.fa_lowthresh = DM_FALSEALARM_THRESH_LOW; - dm_dig.fa_highthresh = DM_FALSEALARM_THRESH_HIGH; - dm_dig.rx_gain_range_max = DM_DIG_MAX; - dm_dig.rx_gain_range_min = DM_DIG_MIN; - dm_dig.backoff_val = DM_DIG_BACKOFF_DEFAULT; - dm_dig.backoff_val_range_max = DM_DIG_BACKOFF_MAX; - dm_dig.backoff_val_range_min = DM_DIG_BACKOFF_MIN; - dm_dig.pre_cck_cca_thres = 0xff; - dm_dig.cur_cck_cca_thres = 0x83; - dm_dig.forbidden_igi = DM_DIG_MIN; - dm_dig.large_fa_hit = 0; - dm_dig.recover_cnt = 0; - dm_dig.dig_dynamic_min_0 = DM_DIG_MIN; - dm_dig.dig_dynamic_min_1 = DM_DIG_MIN; - dm_dig.b_media_connect_0 = false; - dm_dig.b_media_connect_1 = false; - rtlpriv->dm.b_dm_initialgain_enable = true; - dm_dig.bt30_cur_igi = 0x32; -} - -static void rtl92ee_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); - - rtl_set_bbreg(hw, DM_REG_OFDM_FA_HOLDC_11N, BIT(31), 1); - rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(31), 1); - - ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE1_11N, MASKDWORD); - falsealm_cnt->cnt_fast_fsync_fail = (ret_value & 0xffff); - falsealm_cnt->cnt_sb_search_fail = ((ret_value & 0xffff0000) >> 16); - - ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE2_11N, MASKDWORD); - falsealm_cnt->cnt_ofdm_cca = (ret_value & 0xffff); - falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16); - - ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE3_11N, MASKDWORD); - falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff); - falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16); - - ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE4_11N, 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 + - falsealm_cnt->cnt_fast_fsync_fail + - falsealm_cnt->cnt_sb_search_fail; - - ret_value = rtl_get_bbreg(hw, DM_REG_SC_CNT_11N, MASKDWORD); - falsealm_cnt->cnt_bw_lsc = (ret_value & 0xffff); - falsealm_cnt->cnt_bw_usc = ((ret_value & 0xffff0000) >> 16); - - rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(12), 1); - rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(14), 1); - - ret_value = rtl_get_bbreg(hw, DM_REG_CCK_FA_LSB_11N, MASKBYTE0); - falsealm_cnt->cnt_cck_fail = ret_value; - - ret_value = rtl_get_bbreg(hw, DM_REG_CCK_FA_MSB_11N, MASKBYTE3); - falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8; - - ret_value = rtl_get_bbreg(hw, DM_REG_CCK_CCA_CNT_11N, MASKDWORD); - falsealm_cnt->cnt_cck_cca = ((ret_value & 0xff) << 8) | - ((ret_value & 0xFF00) >> 8); - - falsealm_cnt->cnt_all = falsealm_cnt->cnt_fast_fsync_fail + - falsealm_cnt->cnt_sb_search_fail + - 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; - - falsealm_cnt->cnt_cca_all = falsealm_cnt->cnt_ofdm_cca + - falsealm_cnt->cnt_cck_cca; - - /*reset false alarm counter registers*/ - rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTC_11N, BIT(31), 1); - rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTC_11N, BIT(31), 0); - rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(27), 1); - rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(27), 0); - /*update ofdm counter*/ - rtl_set_bbreg(hw, DM_REG_OFDM_FA_HOLDC_11N, BIT(31), 0); - rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(31), 0); - /*reset CCK CCA counter*/ - rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(13) | BIT(12), 0); - rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(13) | BIT(12), 2); - /*reset CCK FA counter*/ - rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(15) | BIT(14), 0); - rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(15) | BIT(14), 2); - - - RT_TRACE(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(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 rtl92ee_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - u8 cur_cck_cca_thresh; - if (rtlpriv->mac80211.link_state >= MAC80211_LINKED) { - if (dm_dig.rssi_val_min > 25) { - cur_cck_cca_thresh = 0xcd; - } else if ((dm_dig.rssi_val_min <= 25) && - (dm_dig.rssi_val_min > 10)) { - cur_cck_cca_thresh = 0x83; - } else { - if (rtlpriv->falsealm_cnt.cnt_cck_fail > 1000) - cur_cck_cca_thresh = 0x83; - else - cur_cck_cca_thresh = 0x40; - } - } else { - if (rtlpriv->falsealm_cnt.cnt_cck_fail > 1000) - cur_cck_cca_thresh = 0x83; - else - cur_cck_cca_thresh = 0x40; - } - rtl92ee_dm_write_cck_cca_thres(hw, cur_cck_cca_thresh); -} - -static void rtl92ee_dm_dig(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); - u8 dig_dynamic_min , dig_maxofmin; - bool bfirstconnect , bfirstdisconnect; - u8 dm_dig_max, dm_dig_min; - u8 current_igi = dm_dig.cur_igvalue; - u8 offset; - - /* AP, BT */ - if (mac->act_scanning == true) - return; - - dig_dynamic_min = dm_dig.dig_dynamic_min_0; - bfirstconnect = (mac->link_state >= MAC80211_LINKED) && - (dm_dig.b_media_connect_0 == false); - bfirstdisconnect = (mac->link_state < MAC80211_LINKED) && - (dm_dig.b_media_connect_0 == true); - - dm_dig_max = 0x5a; - dm_dig_min = DM_DIG_MIN; - dig_maxofmin = DM_DIG_MAX_AP; - - if (mac->link_state >= MAC80211_LINKED) { - if ((dm_dig.rssi_val_min + 10) > dm_dig_max) - dm_dig.rx_gain_range_max = dm_dig_max; - else if ((dm_dig.rssi_val_min + 10) < dm_dig_min) - dm_dig.rx_gain_range_max = dm_dig_min; - else - dm_dig.rx_gain_range_max = dm_dig.rssi_val_min + 10; - - if (rtlpriv->dm.b_one_entry_only) { - offset = 0; - if (dm_dig.rssi_val_min - offset < dm_dig_min) - dig_dynamic_min = dm_dig_min; - else if (dm_dig.rssi_val_min - offset > - dig_maxofmin) - dig_dynamic_min = dig_maxofmin; - else - dig_dynamic_min = dm_dig.rssi_val_min - offset; - } else { - dig_dynamic_min = dm_dig_min; - } - - } else { - dm_dig.rx_gain_range_max = dm_dig_max; - dig_dynamic_min = dm_dig_min; - RT_TRACE(COMP_DIG, DBG_LOUD, ("no link\n")); - } - - if (rtlpriv->falsealm_cnt.cnt_all > 10000) { - if (dm_dig.large_fa_hit != 3) - dm_dig.large_fa_hit++; - if (dm_dig.forbidden_igi < current_igi) { - dm_dig.forbidden_igi = current_igi; - dm_dig.large_fa_hit = 1; - } - - if (dm_dig.large_fa_hit >= 3) { - if (dm_dig.forbidden_igi + 1 > dm_dig.rx_gain_range_max) - dm_dig.rx_gain_range_min = - dm_dig.rx_gain_range_max; - else - dm_dig.rx_gain_range_min = - dm_dig.forbidden_igi + 1; - dm_dig.recover_cnt = 3600; - } - } else { - if (dm_dig.recover_cnt != 0) { - dm_dig.recover_cnt--; - } else { - if (dm_dig.large_fa_hit < 3) { - if ((dm_dig.forbidden_igi - 1) < - dig_dynamic_min) { - dm_dig.forbidden_igi = dig_dynamic_min; - dm_dig.rx_gain_range_min = - dig_dynamic_min; - } else { - dm_dig.forbidden_igi--; - dm_dig.rx_gain_range_min = - dm_dig.forbidden_igi + 1; - } - } else { - dm_dig.large_fa_hit = 0; - } - } - } - - if (rtlpriv->dm.dbginfo.num_qry_beacon_pkt < 5) - dm_dig.rx_gain_range_min = dm_dig_min; - - if (dm_dig.rx_gain_range_min > dm_dig.rx_gain_range_max) - dm_dig.rx_gain_range_min = dm_dig.rx_gain_range_max; - - if (mac->link_state >= MAC80211_LINKED) { - if (bfirstconnect) { - if (dm_dig.rssi_val_min <= dig_maxofmin) - current_igi = dm_dig.rssi_val_min; - else - current_igi = dig_maxofmin; - - dm_dig.large_fa_hit = 0; - } else { - if (rtlpriv->falsealm_cnt.cnt_all > DM_DIG_FA_TH2) - current_igi += 4; - else if (rtlpriv->falsealm_cnt.cnt_all > DM_DIG_FA_TH1) - current_igi += 2; - else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0) - current_igi -= 2; - - if (rtlpriv->dm.dbginfo.num_qry_beacon_pkt < 5 && - rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1) - current_igi = dm_dig.rx_gain_range_min; - } - } else { - if (bfirstdisconnect) { - current_igi = dm_dig.rx_gain_range_min; - } else { - if (rtlpriv->falsealm_cnt.cnt_all > 10000) - current_igi += 4; - else if (rtlpriv->falsealm_cnt.cnt_all > 8000) - current_igi += 2; - else if (rtlpriv->falsealm_cnt.cnt_all < 500) - current_igi -= 2; - } - } - - if (current_igi > dm_dig.rx_gain_range_max) - current_igi = dm_dig.rx_gain_range_max; - if (current_igi < dm_dig.rx_gain_range_min) - current_igi = dm_dig.rx_gain_range_min; - - rtl92ee_dm_write_dig(hw , current_igi); - dm_dig.b_media_connect_0 = ((mac->link_state >= MAC80211_LINKED) ? - true : false); - dm_dig.dig_dynamic_min_0 = dig_dynamic_min; -} - -void rtl92ee_dm_write_cck_cca_thres(struct ieee80211_hw *hw, u8 cur_thres) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - if (dm_dig.cur_cck_cca_thres != cur_thres) - rtl_write_byte(rtlpriv, DM_REG_CCK_CCA_11N, cur_thres); - - dm_dig.pre_cck_cca_thres = dm_dig.cur_cck_cca_thres; - dm_dig.cur_cck_cca_thres = cur_thres; -} - -void rtl92ee_dm_write_dig(struct ieee80211_hw *hw, u8 current_igi) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - if (dm_dig.stop_dig) - return; - - if (dm_dig.cur_igvalue != current_igi) { - rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f, current_igi); - if (rtlpriv->phy.rf_type != RF_1T1R) - rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f, current_igi); - } - dm_dig.pre_igvalue = dm_dig.cur_igvalue; - dm_dig.cur_igvalue = current_igi; -} - -static void rtl92ee_rssi_dump_to_register(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - rtl_write_byte(rtlpriv, RA_RSSIDUMP, - rtlpriv->stats.rx_rssi_percentage[0]); - rtl_write_byte(rtlpriv, RB_RSSIDUMP, - rtlpriv->stats.rx_rssi_percentage[1]); - /*It seems the following values is not initialized. - *According to Windows code, - *these value will only be valid when JAGUAR chips*/ - /* Rx EVM */ - rtl_write_byte(rtlpriv, RS1_RXEVMDUMP, rtlpriv->stats.rx_evm_dbm[0]); - rtl_write_byte(rtlpriv, RS2_RXEVMDUMP, rtlpriv->stats.rx_evm_dbm[1]); - /* Rx SNR */ - rtl_write_byte(rtlpriv, RA_RXSNRDUMP, - (u8)(rtlpriv->stats.rx_snr_db[0])); - rtl_write_byte(rtlpriv, RB_RXSNRDUMP, - (u8)(rtlpriv->stats.rx_snr_db[1])); - /* Rx Cfo_Short */ - rtl_write_word(rtlpriv, RA_CFOSHORTDUMP, - rtlpriv->stats.rx_cfo_short[0]); - rtl_write_word(rtlpriv, RB_CFOSHORTDUMP, - rtlpriv->stats.rx_cfo_short[1]); - /* Rx Cfo_Tail */ - rtl_write_word(rtlpriv, RA_CFOLONGDUMP, rtlpriv->stats.rx_cfo_tail[0]); - rtl_write_word(rtlpriv, RB_CFOLONGDUMP, rtlpriv->stats.rx_cfo_tail[1]); -} - -static void rtl92ee_dm_find_minimum_rssi(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_dig *rtl_dm_dig = &(rtlpriv->dm.dm_digtable); - struct rtl_mac *mac = rtl_mac(rtlpriv); - - /* Determine the minimum RSSI */ - if ((mac->link_state < MAC80211_LINKED) && - (rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb == 0)) { - rtl_dm_dig->min_undecorated_pwdb_for_dm = 0; - RT_TRACE(COMP_BB_POWERSAVING, DBG_LOUD, - ("Not connected to any\n")); - } - if (mac->link_state >= MAC80211_LINKED) { - if (mac->opmode == NL80211_IFTYPE_AP || - mac->opmode == NL80211_IFTYPE_ADHOC) { - rtl_dm_dig->min_undecorated_pwdb_for_dm = - rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb; - RT_TRACE(COMP_BB_POWERSAVING, DBG_LOUD, - ("AP Client PWDB = 0x%lx\n", - rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb)); - } else { - rtl_dm_dig->min_undecorated_pwdb_for_dm = - rtlpriv->dm.undecorated_smoothed_pwdb; - RT_TRACE(COMP_BB_POWERSAVING, DBG_LOUD, - ("STA Default Port PWDB = 0x%x\n", - rtl_dm_dig->min_undecorated_pwdb_for_dm)); - } - } else { - rtl_dm_dig->min_undecorated_pwdb_for_dm = - rtlpriv->dm.entry_min_undecoratedsmoothed_pwdb; - RT_TRACE(COMP_BB_POWERSAVING, DBG_LOUD, - ("AP Ext Port or disconnet PWDB = 0x%x\n", - rtl_dm_dig->min_undecorated_pwdb_for_dm)); - } - RT_TRACE(COMP_DIG, DBG_LOUD, ("MinUndecoratedPWDBForDM =%d\n", - rtl_dm_dig->min_undecorated_pwdb_for_dm)); -} - -static void rtl92ee_dm_check_rssi_monitor(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_mac *mac = rtl_mac(rtlpriv); - struct rtl_dm *dm = rtl_dm(rtlpriv); - struct rtl_sta_info *drv_priv; - u8 h2c[4] = { 0 }; - long max = 0, min = 0xff; - u8 i = 0; - - if (mac->opmode == NL80211_IFTYPE_AP || - mac->opmode == NL80211_IFTYPE_ADHOC || - mac->opmode == NL80211_IFTYPE_MESH_POINT) { - /* AP & ADHOC & MESH */ - spin_lock_bh(&rtlpriv->locks.entry_list_lock); - list_for_each_entry(drv_priv, &rtlpriv->entry_list, list) { - struct rssi_sta *stat = &(drv_priv->rssi_stat); - if (stat->undecorated_smoothed_pwdb < min) - min = stat->undecorated_smoothed_pwdb; - if (stat->undecorated_smoothed_pwdb > max) - max = stat->undecorated_smoothed_pwdb; - - h2c[3] = 0; - h2c[2] = (u8) (dm->undecorated_smoothed_pwdb & 0xFF); - h2c[1] = 0x20; - h2c[0] = ++i; - rtl92ee_fill_h2c_cmd(hw, H2C_92E_RSSI_REPORT, 4, h2c); - } - spin_unlock_bh(&rtlpriv->locks.entry_list_lock); - - /* If associated entry is found */ - if (max != 0) { - dm->entry_max_undecoratedsmoothed_pwdb = max; - RTPRINT(rtlpriv, FDM, DM_PWDB, - "EntryMaxPWDB = 0x%lx(%ld)\n", max, max); - } else { - dm->entry_max_undecoratedsmoothed_pwdb = 0; - } - /* If associated entry is found */ - if (min != 0xff) { - dm->entry_min_undecoratedsmoothed_pwdb = min; - RTPRINT(rtlpriv, FDM, DM_PWDB, - "EntryMinPWDB = 0x%lx(%ld)\n", min, min); - } else { - dm->entry_min_undecoratedsmoothed_pwdb = 0; - } - } - - /* Indicate Rx signal strength to FW. */ - if (dm->b_useramask) { - h2c[3] = 0; - h2c[2] = (u8) (dm->undecorated_smoothed_pwdb & 0xFF); - h2c[1] = 0x20; - h2c[0] = 0; - rtl92ee_fill_h2c_cmd(hw, H2C_92E_RSSI_REPORT, 4, h2c); - } else { - rtl_write_byte(rtlpriv, 0x4fe, dm->undecorated_smoothed_pwdb); - } - rtl92ee_rssi_dump_to_register(hw); - rtl92ee_dm_find_minimum_rssi(hw); - dm_dig.rssi_val_min = dm->dm_digtable.min_undecorated_pwdb_for_dm; -} - -static void rtl92ee_dm_init_primary_cca_check(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_hal *rtlhal = rtl_hal(rtlpriv); - struct dynamic_primary_cca *primarycca = &(rtlpriv->primarycca); - - rtlhal->rts_en = 0; - primarycca->dup_rts_flag = 0; - primarycca->intf_flag = 0; - primarycca->intf_type = 0; - primarycca->monitor_flag = 0; - primarycca->ch_offset = 0; - primarycca->mf_state = 0; -} - -static bool rtl92ee_dm_is_edca_turbo_disable(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - if (rtlpriv->mac80211.mode == WIRELESS_MODE_B) - return true; - - return false; -} - -void rtl92ee_dm_init_edca_turbo(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtlpriv->dm.bcurrent_turbo_edca = false; - rtlpriv->dm.bis_cur_rdlstate = false; - rtlpriv->dm.bis_any_nonbepkts = false; -} - -static void rtl92ee_dm_check_edca_turbo(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - static u64 last_txok_cnt; - static u64 last_rxok_cnt; - u64 cur_txok_cnt = 0; - u64 cur_rxok_cnt = 0; - u32 edca_be_ul = 0x5ea42b; - u32 edca_be_dl = 0x5ea42b; /*not sure*/ - u32 edca_be = 0x5ea42b; - bool b_is_cur_rdlstate; - bool b_edca_turbo_on = false; - - if (rtlpriv->dm.dbginfo.num_non_be_pkt > 0x100) - rtlpriv->dm.bis_any_nonbepkts = true; - rtlpriv->dm.dbginfo.num_non_be_pkt = 0; - - cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt; - cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt; - - /*b_bias_on_rx = false;*/ - b_edca_turbo_on = ((!rtlpriv->dm.bis_any_nonbepkts) && - (!rtlpriv->dm.b_disable_framebursting)) ? - true : false; - - if (rtl92ee_dm_is_edca_turbo_disable(hw)) - goto dm_CheckEdcaTurbo_EXIT; - - if (b_edca_turbo_on) { - b_is_cur_rdlstate = (cur_rxok_cnt > cur_txok_cnt * 4) ? - true : false; - - edca_be = b_is_cur_rdlstate ? edca_be_dl : edca_be_ul; - rtl_write_dword(rtlpriv , REG_EDCA_BE_PARAM , edca_be); - rtlpriv->dm.bis_cur_rdlstate = b_is_cur_rdlstate; - rtlpriv->dm.bcurrent_turbo_edca = true; - } else { - if (rtlpriv->dm.bcurrent_turbo_edca) { - u8 tmp = AC0_BE; - rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM, - (u8 *) (&tmp)); - } - rtlpriv->dm.bcurrent_turbo_edca = false; - } - -dm_CheckEdcaTurbo_EXIT: - rtlpriv->dm.bis_any_nonbepkts = false; - last_txok_cnt = rtlpriv->stats.txbytesunicast; - last_rxok_cnt = rtlpriv->stats.rxbytesunicast; -} - -static void rtl92ee_dm_dynamic_edcca(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - u8 reg_c50 , reg_c58; - bool b_fw_current_in_ps_mode = false; - - rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS, - (u8 *)(&b_fw_current_in_ps_mode)); - if (b_fw_current_in_ps_mode) - return; - - reg_c50 = rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1, MASKBYTE0); - reg_c58 = rtl_get_bbreg(hw, ROFDM0_XBAGCCORE1, MASKBYTE0); - - if (reg_c50 > 0x28 && reg_c58 > 0x28) { - if (!rtlpriv->rtlhal.b_pre_edcca_enable) { - rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD, 0x03); - rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD + 2, 0x00); - rtlpriv->rtlhal.b_pre_edcca_enable = true; - } - } else if (reg_c50 < 0x25 && reg_c58 < 0x25) { - if (rtlpriv->rtlhal.b_pre_edcca_enable) { - rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD, 0x7f); - rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD + 2, 0x7f); - rtlpriv->rtlhal.b_pre_edcca_enable = false; - } - } -} - -static void rtl92ee_dm_adaptivity(struct ieee80211_hw *hw) -{ - rtl92ee_dm_dynamic_edcca(hw); -} - -static void rtl92ee_dm_write_dynamic_cca(struct ieee80211_hw *hw, u8 cur_mf_state) -{ - struct dynamic_primary_cca *primarycca = &(rtl_priv(hw)->primarycca); - - if (primarycca->mf_state != cur_mf_state) - rtl_set_bbreg(hw, DM_REG_L1SBD_PD_CH_11N, BIT(8) | BIT(7), - cur_mf_state); - - primarycca->mf_state = cur_mf_state; -} - -static void rtl92ee_dm_dynamic_primary_cca_ckeck(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt); - struct dynamic_primary_cca *primarycca = &(rtlpriv->primarycca); - bool is40mhz = false; - u64 ofdm_cca, ofdm_fa, bw_usc_cnt, bw_lsc_cnt; - u8 sec_ch_offset; - u8 cur_mf_state; - static u8 count_down = MONITOR_TIME; - - ofdm_cca = falsealm_cnt->cnt_ofdm_cca; - ofdm_fa = falsealm_cnt->cnt_ofdm_fail; - bw_usc_cnt = falsealm_cnt->cnt_bw_usc; - bw_lsc_cnt = falsealm_cnt->cnt_bw_lsc; - is40mhz = rtlpriv->mac80211.bw_40; - sec_ch_offset = rtlpriv->mac80211.cur_40_prime_sc; - /* NIC: 2: sec is below, 1: sec is above */ - - if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) { - cur_mf_state = MF_USC_LSC; - rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state); - return; - } - - if (rtlpriv->mac80211.link_state < MAC80211_LINKED) - return; - - if (is40mhz) - return; - - if (primarycca->pricca_flag == 0) { - /* Primary channel is above - * NOTE: duplicate CTS can remove this condition*/ - if (sec_ch_offset == 2) { - if ((ofdm_cca > OFDMCCA_TH) && - (bw_lsc_cnt > (bw_usc_cnt + BW_IND_BIAS)) && - (ofdm_fa > (ofdm_cca >> 1))) { - primarycca->intf_type = 1; - primarycca->intf_flag = 1; - cur_mf_state = MF_USC; - rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state); - primarycca->pricca_flag = 1; - } else if ((ofdm_cca > OFDMCCA_TH) && - (bw_lsc_cnt > (bw_usc_cnt + BW_IND_BIAS)) && - (ofdm_fa < (ofdm_cca >> 1))) { - primarycca->intf_type = 2; - primarycca->intf_flag = 1; - cur_mf_state = MF_USC; - rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state); - primarycca->pricca_flag = 1; - primarycca->dup_rts_flag = 1; - rtlpriv->rtlhal.rts_en = 1; - } else { - primarycca->intf_type = 0; - primarycca->intf_flag = 0; - cur_mf_state = MF_USC_LSC; - rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state); - rtlpriv->rtlhal.rts_en = 0; - primarycca->dup_rts_flag = 0; - } - } else if (sec_ch_offset == 1) { - if ((ofdm_cca > OFDMCCA_TH) && - (bw_usc_cnt > (bw_lsc_cnt + BW_IND_BIAS)) && - (ofdm_fa > (ofdm_cca >> 1))) { - primarycca->intf_type = 1; - primarycca->intf_flag = 1; - cur_mf_state = MF_LSC; - rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state); - primarycca->pricca_flag = 1; - } else if ((ofdm_cca > OFDMCCA_TH) && - (bw_usc_cnt > (bw_lsc_cnt + BW_IND_BIAS)) && - (ofdm_fa < (ofdm_cca >> 1))) { - primarycca->intf_type = 2; - primarycca->intf_flag = 1; - cur_mf_state = MF_LSC; - rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state); - primarycca->pricca_flag = 1; - primarycca->dup_rts_flag = 1; - rtlpriv->rtlhal.rts_en = 1; - } else { - primarycca->intf_type = 0; - primarycca->intf_flag = 0; - cur_mf_state = MF_USC_LSC; - rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state); - rtlpriv->rtlhal.rts_en = 0; - primarycca->dup_rts_flag = 0; - } - } - } else {/* PrimaryCCA->PriCCA_flag == 1 */ - count_down--; - if (count_down == 0) { - count_down = MONITOR_TIME; - primarycca->pricca_flag = 0; - cur_mf_state = MF_USC_LSC; - /* default */ - rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state); - rtlpriv->rtlhal.rts_en = 0; - primarycca->dup_rts_flag = 0; - primarycca->intf_type = 0; - primarycca->intf_flag = 0; - } - } -} - -static void rtl92ee_dm_dynamic_atc_switch(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw)); - u8 crystal_cap; - u32 packet_count; - int cfo_khz_a , cfo_khz_b , cfo_ave = 0, adjust_xtal = 0; - int cfo_ave_diff; - - if (rtlpriv->mac80211.link_state < MAC80211_LINKED) { - if (rtldm->atc_status == ATC_STATUS_OFF) { - rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11), - ATC_STATUS_ON); - rtldm->atc_status = ATC_STATUS_ON; - } - /* Disable CFO tracking for BT */ - if (rtlpriv->cfg->ops->get_btc_status()) { - if (!rtlpriv->btcoexist.btc_ops->btc_is_bt_disabled(rtlpriv)) { - RT_TRACE(COMP_BT_COEXIST, DBG_LOUD, - ("odm_DynamicATCSwitch(): " - "Disable CFO tracking for BT!!\n")); - return; - } - } - /* Reset Crystal Cap */ - if (rtldm->crystal_cap != rtlpriv->efuse.crystalcap) { - rtldm->crystal_cap = rtlpriv->efuse.crystalcap; - crystal_cap = rtldm->crystal_cap & 0x3f; - rtl_set_bbreg(hw, REG_MAC_PHY_CTRL, 0xFFF000, - (crystal_cap | (crystal_cap << 6))); - } - } else { - cfo_khz_a = (int)(rtldm->cfo_tail[0] * 3125) / 1280; - cfo_khz_b = (int)(rtldm->cfo_tail[1] * 3125) / 1280; - packet_count = rtldm->packet_count; - - if (packet_count == rtldm->packet_count_pre) - return; - - rtldm->packet_count_pre = packet_count; - - if (rtlpriv->phy.rf_type == RF_1T1R) - cfo_ave = cfo_khz_a; - else - cfo_ave = (int)(cfo_khz_a + cfo_khz_b) >> 1; - - cfo_ave_diff = (rtldm->cfo_ave_pre >= cfo_ave) ? - (rtldm->cfo_ave_pre - cfo_ave) : - (cfo_ave - rtldm->cfo_ave_pre); - - if (cfo_ave_diff > 20 && rtldm->large_cfo_hit == 0) { - rtldm->large_cfo_hit = 1; - return; - } else { - rtldm->large_cfo_hit = 0; - } - - rtldm->cfo_ave_pre = cfo_ave; - - if (cfo_ave >= -rtldm->cfo_threshold && - cfo_ave <= rtldm->cfo_threshold && rtldm->is_freeze == 0) { - if (rtldm->cfo_threshold == CFO_THRESHOLD_XTAL) { - rtldm->cfo_threshold = CFO_THRESHOLD_XTAL + 10; - rtldm->is_freeze = 1; - } else { - rtldm->cfo_threshold = CFO_THRESHOLD_XTAL; - } - } - - if (cfo_ave > rtldm->cfo_threshold && rtldm->crystal_cap < 0x3f) - adjust_xtal = ((cfo_ave - CFO_THRESHOLD_XTAL) >> 2) + 1; - else if ((cfo_ave < -rtlpriv->dm.cfo_threshold) && - rtlpriv->dm.crystal_cap > 0) - adjust_xtal = ((cfo_ave + CFO_THRESHOLD_XTAL) >> 2) - 1; - - if (adjust_xtal != 0) { - rtldm->is_freeze = 0; - rtldm->crystal_cap += adjust_xtal; - - if (rtldm->crystal_cap > 0x3f) - rtldm->crystal_cap = 0x3f; - else if (rtldm->crystal_cap < 0) - rtldm->crystal_cap = 0; - - crystal_cap = rtldm->crystal_cap & 0x3f; - rtl_set_bbreg(hw, REG_MAC_PHY_CTRL, 0xFFF000, - (crystal_cap | (crystal_cap << 6))); - } - - if (cfo_ave < CFO_THRESHOLD_ATC && - cfo_ave > -CFO_THRESHOLD_ATC) { - if (rtldm->atc_status == ATC_STATUS_ON) { - rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11), - ATC_STATUS_OFF); - rtldm->atc_status = ATC_STATUS_OFF; - } - } else { - if (rtldm->atc_status == ATC_STATUS_OFF) { - rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11), - ATC_STATUS_ON); - rtldm->atc_status = ATC_STATUS_ON; - } - } - } -} - -static void rtl92ee_dm_init_txpower_tracking(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_dm *dm = rtl_dm(rtlpriv); - u8 path; - - dm->btxpower_tracking = true; - dm->default_ofdm_index = 30; - dm->default_cck_index = 20; - - dm->bb_swing_idx_cck_base = dm->default_cck_index; - dm->cck_index = dm->default_cck_index; - - for (path = RF90_PATH_A; path < MAX_RF_PATH; path++) { - dm->bb_swing_idx_ofdm_base[path] = dm->default_ofdm_index; - dm->ofdm_index[path] = dm->default_ofdm_index; - dm->delta_power_index[path] = 0; - dm->delta_power_index_last[path] = 0; - dm->power_index_offset[path] = 0; - } -} - -void rtl92ee_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.b_useramask = true; - else - rtlpriv->dm.b_useramask = false; - - p_ra->ldpc_thres = 35; - p_ra->use_ldpc = false; - p_ra->high_rssi_thresh_for_ra = 50; - p_ra->low_rssi_thresh_for_ra = 20; - -} - -static bool _rtl92ee_dm_ra_state_check(struct ieee80211_hw *hw, - s32 rssi, u8 *ratr_state) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rate_adaptive *p_ra = &(rtlpriv->ra); - const u8 go_up_gap = 5; - u32 high_rssithresh_for_ra = p_ra->high_rssi_thresh_for_ra; - u32 low_rssithresh_for_ra = p_ra->low_rssi_thresh_for_ra; - u8 state; - - /* Threshold Adjustment: - * when RSSI state trends to go up one or two levels, - * make sure RSSI is high enough. - * Here GoUpGap is added to solve - * the boundary's level alternation issue. - */ - switch (*ratr_state) { - case DM_RATR_STA_INIT: - case DM_RATR_STA_HIGH: - break; - - case DM_RATR_STA_MIDDLE: - high_rssithresh_for_ra += go_up_gap; - break; - - case DM_RATR_STA_LOW: - high_rssithresh_for_ra += go_up_gap; - low_rssithresh_for_ra += go_up_gap; - break; - - default: - RT_TRACE(COMP_RATR, DBG_DMESG, - ("wrong rssi level setting %d !", *ratr_state)); - break; - } - - /* Decide RATRState by RSSI. */ - if (rssi > high_rssithresh_for_ra) - state = DM_RATR_STA_HIGH; - else if (rssi > low_rssithresh_for_ra) - state = DM_RATR_STA_MIDDLE; - else - state = DM_RATR_STA_LOW; - - if (*ratr_state != state) { - *ratr_state = state; - return true; - } - - return false; -} - -static void rtl92ee_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); - struct ieee80211_sta *sta = NULL; - - if (is_hal_stop(rtlhal)) { - RT_TRACE(COMP_RATE, DBG_LOUD, - ("driver is going to unload\n")); - return; - } - - if (!rtlpriv->dm.b_useramask) { - RT_TRACE(COMP_RATE, DBG_LOUD, - ("driver does not control rate adaptive mask\n")); - return; - } - - if (mac->link_state == MAC80211_LINKED && - mac->opmode == NL80211_IFTYPE_STATION) { - - if (rtlpriv->dm.undecorated_smoothed_pwdb < p_ra->ldpc_thres) { - p_ra->use_ldpc = true; - p_ra->lower_rts_rate = true; - } else if (rtlpriv->dm.undecorated_smoothed_pwdb > - (p_ra->ldpc_thres - 5)) { - p_ra->use_ldpc = false; - p_ra->lower_rts_rate = false; - } - if (_rtl92ee_dm_ra_state_check(hw, - rtlpriv->dm.undecorated_smoothed_pwdb, - &(p_ra->ratr_state))) { - - rcu_read_lock(); - sta = rtl_find_sta(hw, mac->bssid); - if (sta) - rtlpriv->cfg->ops->update_rate_tbl(hw, sta, - p_ra->ratr_state); - rcu_read_unlock(); - - p_ra->pre_ratr_state = p_ra->ratr_state; - } - } -} - -static void rtl92ee_dm_init_dynamic_atc_switch(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtlpriv->dm.crystal_cap = rtlpriv->efuse.crystalcap; - - rtlpriv->dm.atc_status = rtl_get_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11)); - rtlpriv->dm.cfo_threshold = CFO_THRESHOLD_XTAL; -} - -void rtl92ee_dm_init(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER; - - rtl92ee_dm_diginit(hw); - rtl92ee_dm_init_rate_adaptive_mask(hw); - rtl92ee_dm_init_primary_cca_check(hw); - rtl92ee_dm_init_edca_turbo(hw); - rtl92ee_dm_init_txpower_tracking(hw); - rtl92ee_dm_init_dynamic_atc_switch(hw); -} - -static void rtl92ee_dm_common_info_self_update(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - u8 cnt = 0; - struct rtl_sta_info *drv_priv; - - rtlpriv->dm.b_one_entry_only = false; - - if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_STATION && - rtlpriv->mac80211.link_state >= MAC80211_LINKED) { - rtlpriv->dm.b_one_entry_only = true; - return; - } - - if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP || - rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC || - rtlpriv->mac80211.opmode == NL80211_IFTYPE_MESH_POINT) { - spin_lock_bh(&rtlpriv->locks.entry_list_lock); - list_for_each_entry(drv_priv, &rtlpriv->entry_list, list) { - cnt++; - } - spin_unlock_bh(&rtlpriv->locks.entry_list_lock); - - if (cnt == 1) - rtlpriv->dm.b_one_entry_only = true; - } -} - -void rtl92ee_dm_dynamic_arfb_select(struct ieee80211_hw *hw, - u8 rate, bool collision_state) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - if (rate >= DESC92C_RATEMCS8 && rate <= DESC92C_RATEMCS12) { - if (collision_state == 1) { - if (rate == DESC92C_RATEMCS12) { - rtl_write_dword(rtlpriv, REG_DARFRC, 0x0); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x07060501); - } else if (rate == DESC92C_RATEMCS11) { - rtl_write_dword(rtlpriv, REG_DARFRC, 0x0); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x07070605); - } else if (rate == DESC92C_RATEMCS10) { - rtl_write_dword(rtlpriv, REG_DARFRC, 0x0); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x08080706); - } else if (rate == DESC92C_RATEMCS9) { - rtl_write_dword(rtlpriv, REG_DARFRC, 0x0); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x08080707); - } else { - rtl_write_dword(rtlpriv, REG_DARFRC, 0x0); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x09090808); - } - } else { /* collision_state == 0 */ - if (rate == DESC92C_RATEMCS12) { - rtl_write_dword(rtlpriv, REG_DARFRC, - 0x05010000); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x09080706); - } else if (rate == DESC92C_RATEMCS11) { - rtl_write_dword(rtlpriv, REG_DARFRC, - 0x06050000); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x09080807); - } else if (rate == DESC92C_RATEMCS10) { - rtl_write_dword(rtlpriv, REG_DARFRC, - 0x07060000); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x0a090908); - } else if (rate == DESC92C_RATEMCS9) { - rtl_write_dword(rtlpriv, REG_DARFRC, - 0x07070000); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x0a090808); - } else { - rtl_write_dword(rtlpriv, REG_DARFRC, - 0x08080000); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x0b0a0909); - } - } - } else { /* MCS13~MCS15, 1SS, G-mode */ - if (collision_state == 1) { - if (rate == DESC92C_RATEMCS15) { - rtl_write_dword(rtlpriv, REG_DARFRC, - 0x00000000); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x05040302); - } else if (rate == DESC92C_RATEMCS14) { - rtl_write_dword(rtlpriv, REG_DARFRC, - 0x00000000); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x06050302); - } else if (rate == DESC92C_RATEMCS13) { - rtl_write_dword(rtlpriv, REG_DARFRC, - 0x00000000); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x07060502); - } else { - rtl_write_dword(rtlpriv, REG_DARFRC, - 0x00000000); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x06050402); - } - } else{ /* collision_state == 0 */ - if (rate == DESC92C_RATEMCS15) { - rtl_write_dword(rtlpriv, REG_DARFRC, - 0x03020000); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x07060504); - } else if (rate == DESC92C_RATEMCS14) { - rtl_write_dword(rtlpriv, REG_DARFRC, - 0x03020000); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x08070605); - } else if (rate == DESC92C_RATEMCS13) { - rtl_write_dword(rtlpriv, REG_DARFRC, - 0x05020000); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x09080706); - } else { - rtl_write_dword(rtlpriv, REG_DARFRC, - 0x04020000); - rtl_write_dword(rtlpriv, REG_DARFRC + 4, - 0x08070605); - } - } - } -} - -void rtl92ee_dm_watchdog(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); - bool b_fw_current_inpsmode = false; - bool b_fw_ps_awake = true; - - rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS, - (u8 *) (&b_fw_current_inpsmode)); - rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON, - (u8 *) (&b_fw_ps_awake)); - if (ppsc->p2p_ps_info.p2p_ps_mode) - b_fw_ps_awake = false; - - if ((ppsc->rfpwr_state == ERFON) && - ((!b_fw_current_inpsmode) && b_fw_ps_awake) && - (!ppsc->rfchange_inprogress)) { - rtl92ee_dm_common_info_self_update(hw); - rtl92ee_dm_false_alarm_counter_statistics(hw); - rtl92ee_dm_check_rssi_monitor(hw); - rtl92ee_dm_dig(hw); - rtl92ee_dm_adaptivity(hw); - rtl92ee_dm_cck_packet_detection_thresh(hw); - rtl92ee_dm_refresh_rate_adaptive_mask(hw); - rtl92ee_dm_check_edca_turbo(hw); - rtl92ee_dm_dynamic_atc_switch(hw); - rtl92ee_dm_dynamic_primary_cca_ckeck(hw); - } -} |