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path: root/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c
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Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c')
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c1236
1 files changed, 1236 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c
new file mode 100644
index 000000000000..459f3d0efa2f
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c
@@ -0,0 +1,1236 @@
+/******************************************************************************
+ *
+ * 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);
+ }
+}