+++ /dev/null
-/******************************************************************************
- *
- * Copyright(c) 2009-2014 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 "../core.h"
-#include "reg.h"
-#include "def.h"
-#include "phy.h"
-#include "dm.h"
-#include "fw.h"
-#include "trx.h"
-
-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_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(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 rtl92ee_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct dig_t *dm_dig = &rtlpriv->dm_digtable;
- 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));
- struct dig_t *dm_dig = &rtlpriv->dm_digtable;
- u8 dig_min_0, 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)
- return;
-
- dig_min_0 = dm_dig->dig_min_0;
- bfirstconnect = (mac->link_state >= MAC80211_LINKED) &&
- !dm_dig->media_connect_0;
- bfirstdisconnect = (mac->link_state < MAC80211_LINKED) &&
- dm_dig->media_connect_0;
-
- 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_max = dm_dig_max;
- else if ((dm_dig->rssi_val_min + 10) < dm_dig_min)
- dm_dig->rx_gain_max = dm_dig_min;
- else
- dm_dig->rx_gain_max = dm_dig->rssi_val_min + 10;
-
- if (rtlpriv->dm.one_entry_only) {
- offset = 0;
- if (dm_dig->rssi_val_min - offset < dm_dig_min)
- dig_min_0 = dm_dig_min;
- else if (dm_dig->rssi_val_min - offset >
- dig_maxofmin)
- dig_min_0 = dig_maxofmin;
- else
- dig_min_0 = dm_dig->rssi_val_min - offset;
- } else {
- dig_min_0 = dm_dig_min;
- }
-
- } else {
- dm_dig->rx_gain_max = dm_dig_max;
- dig_min_0 = dm_dig_min;
- RT_TRACE(rtlpriv, 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_max)
- dm_dig->rx_gain_min =
- dm_dig->rx_gain_max;
- else
- dm_dig->rx_gain_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_min_0) {
- dm_dig->forbidden_igi = dig_min_0;
- dm_dig->rx_gain_min =
- dig_min_0;
- } else {
- dm_dig->forbidden_igi--;
- dm_dig->rx_gain_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_min = dm_dig_min;
-
- if (dm_dig->rx_gain_min > dm_dig->rx_gain_max)
- dm_dig->rx_gain_min = dm_dig->rx_gain_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_min;
- }
- } else {
- if (bfirstdisconnect) {
- current_igi = dm_dig->rx_gain_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_max)
- current_igi = dm_dig->rx_gain_max;
- if (current_igi < dm_dig->rx_gain_min)
- current_igi = dm_dig->rx_gain_min;
-
- rtl92ee_dm_write_dig(hw , current_igi);
- dm_dig->media_connect_0 = ((mac->link_state >= MAC80211_LINKED) ?
- true : false);
- dm_dig->dig_min_0 = dig_min_0;
-}
-
-void rtl92ee_dm_write_cck_cca_thres(struct ieee80211_hw *hw, u8 cur_thres)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct dig_t *dm_dig = &rtlpriv->dm_digtable;
-
- 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);
- struct dig_t *dm_dig = &rtlpriv->dm_digtable;
-
- 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 are not initialized.
- *According to Windows code,
- *these value will only be valid with 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 dig_t *rtl_dm_dig = &rtlpriv->dm_digtable;
- struct rtl_mac *mac = rtl_mac(rtlpriv);
-
- /* Determine the minimum RSSI */
- if ((mac->link_state < MAC80211_LINKED) &&
- (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
- rtl_dm_dig->min_undec_pwdb_for_dm = 0;
- RT_TRACE(rtlpriv, 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_undec_pwdb_for_dm =
- rtlpriv->dm.entry_min_undec_sm_pwdb;
- RT_TRACE(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
- "AP Client PWDB = 0x%lx\n",
- rtlpriv->dm.entry_min_undec_sm_pwdb);
- } else {
- rtl_dm_dig->min_undec_pwdb_for_dm =
- rtlpriv->dm.undec_sm_pwdb;
- RT_TRACE(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
- "STA Default Port PWDB = 0x%x\n",
- rtl_dm_dig->min_undec_pwdb_for_dm);
- }
- } else {
- rtl_dm_dig->min_undec_pwdb_for_dm =
- rtlpriv->dm.entry_min_undec_sm_pwdb;
- RT_TRACE(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
- "AP Ext Port or disconnet PWDB = 0x%x\n",
- rtl_dm_dig->min_undec_pwdb_for_dm);
- }
- RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
- "MinUndecoratedPWDBForDM =%d\n",
- rtl_dm_dig->min_undec_pwdb_for_dm);
-}
-
-static void rtl92ee_dm_check_rssi_monitor(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct dig_t *dm_dig = &rtlpriv->dm_digtable;
- 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->undec_sm_pwdb < min)
- min = stat->undec_sm_pwdb;
- if (stat->undec_sm_pwdb > max)
- max = stat->undec_sm_pwdb;
-
- h2c[3] = 0;
- h2c[2] = (u8)(dm->undec_sm_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_undec_sm_pwdb = max;
- RTPRINT(rtlpriv, FDM, DM_PWDB,
- "EntryMaxPWDB = 0x%lx(%ld)\n", max, max);
- } else {
- dm->entry_max_undec_sm_pwdb = 0;
- }
- /* If associated entry is found */
- if (min != 0xff) {
- dm->entry_min_undec_sm_pwdb = min;
- RTPRINT(rtlpriv, FDM, DM_PWDB,
- "EntryMinPWDB = 0x%lx(%ld)\n", min, min);
- } else {
- dm->entry_min_undec_sm_pwdb = 0;
- }
- }
-
- /* Indicate Rx signal strength to FW. */
- if (dm->useramask) {
- h2c[3] = 0;
- h2c[2] = (u8)(dm->undec_sm_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->undec_sm_pwdb);
- }
- rtl92ee_rssi_dump_to_register(hw);
- rtl92ee_dm_find_minimum_rssi(hw);
- dm_dig->rssi_val_min = rtlpriv->dm_digtable.min_undec_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.current_turbo_edca = false;
- rtlpriv->dm.is_cur_rdlstate = false;
- rtlpriv->dm.is_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 is_cur_rdlstate;
- bool b_edca_turbo_on = false;
-
- if (rtlpriv->dm.dbginfo.num_non_be_pkt > 0x100)
- rtlpriv->dm.is_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.is_any_nonbepkts) &&
- (!rtlpriv->dm.disable_framebursting)) ?
- true : false;
-
- if (rtl92ee_dm_is_edca_turbo_disable(hw))
- goto check_exit;
-
- if (b_edca_turbo_on) {
- is_cur_rdlstate = (cur_rxok_cnt > cur_txok_cnt * 4) ?
- true : false;
-
- edca_be = is_cur_rdlstate ? edca_be_dl : edca_be_ul;
- rtl_write_dword(rtlpriv , REG_EDCA_BE_PARAM , edca_be);
- rtlpriv->dm.is_cur_rdlstate = is_cur_rdlstate;
- rtlpriv->dm.current_turbo_edca = true;
- } else {
- if (rtlpriv->dm.current_turbo_edca) {
- u8 tmp = AC0_BE;
-
- rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
- (u8 *)(&tmp));
- }
- rtlpriv->dm.current_turbo_edca = false;
- }
-
-check_exit:
- rtlpriv->dm.is_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 fw_current_in_ps_mode = false;
-
- rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
- (u8 *)(&fw_current_in_ps_mode));
- if (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.pre_edcca_enable) {
- rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD, 0x03);
- rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD + 2, 0x00);
- rtlpriv->rtlhal.pre_edcca_enable = true;
- }
- } else if (reg_c50 < 0x25 && reg_c58 < 0x25) {
- if (rtlpriv->rtlhal.pre_edcca_enable) {
- rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD, 0x7f);
- rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD + 2, 0x7f);
- rtlpriv->rtlhal.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(rtlpriv, 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;
- }
- 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->txpower_tracking = true;
- dm->default_ofdm_index = 30;
- dm->default_cck_index = 20;
-
- dm->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->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.useramask = true;
- else
- rtlpriv->dm.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_ra40m = 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_ra40m;
- 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(rtlpriv, 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(rtlpriv, COMP_RATE, DBG_LOUD,
- "driver is going to unload\n");
- return;
- }
-
- if (!rtlpriv->dm.useramask) {
- RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
- "driver does not control rate adaptive mask\n");
- return;
- }
-
- if (mac->link_state == MAC80211_LINKED &&
- mac->opmode == NL80211_IFTYPE_STATION) {
- if (rtlpriv->dm.undec_sm_pwdb < p_ra->ldpc_thres) {
- p_ra->use_ldpc = true;
- p_ra->lower_rts_rate = true;
- } else if (rtlpriv->dm.undec_sm_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.undec_sm_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);
- u32 cur_igvalue = rtl_get_bbreg(hw, DM_REG_IGI_A_11N, DM_BIT_IGI_11N);
-
- rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
-
- rtl_dm_diginit(hw, cur_igvalue);
- 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);
- struct rtl_sta_info *drv_priv;
- u8 cnt = 0;
-
- rtlpriv->dm.one_entry_only = false;
-
- if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_STATION &&
- rtlpriv->mac80211.link_state >= MAC80211_LINKED) {
- rtlpriv->dm.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.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 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)) {
- 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);
- }
-}
Code Review / kvmfornfv.git / blobdiff