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authorLarry Finger <Larry.Finger@lwfinger.net>2014-09-26 16:40:23 -0500
committerJohn W. Linville <linville@tuxdriver.com>2014-09-30 13:17:14 -0400
commitb1a3bfc97cd95681c511515534b84843998f3ea0 (patch)
treefbcd369edd72403c7856a4348003e593f43b7f14 /drivers/net/wireless/rtlwifi/rtl8192ee/dm.c
parentrtlwifi: rtl8188ee: rtl8821ae: Fix a queue locking problem (diff)
downloadlinux-dev-b1a3bfc97cd95681c511515534b84843998f3ea0.tar.xz
linux-dev-b1a3bfc97cd95681c511515534b84843998f3ea0.zip
rtlwifi: rtl8192ee: Move driver from staging to the regular tree
This driver was entered into staging a few cycles ago because there was not time to integrate the Realtek version into the support routines in the kernel. Now that there is an effort to converg the code base from Linux and the Realtek repo, it is time to move this driver. In addition, all the updates included in the 06/28/2014 version of the Realtek drivers are included here. With this change, it will be necessary to delete the staging driver. That will be handled in a separate patch. As it impacts the staging tree, such a patch is sent to a different destination. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192ee/dm.c')
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8192ee/dm.c1263
1 files changed, 1263 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ee/dm.c b/drivers/net/wireless/rtlwifi/rtl8192ee/dm.c
new file mode 100644
index 000000000000..77deedf79d1d
--- /dev/null
+++ b/drivers/net/wireless/rtlwifi/rtl8192ee/dm.c
@@ -0,0 +1,1263 @@
+/******************************************************************************
+ *
+ * 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 "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_diginit(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct dig_t *dm_dig = &rtlpriv->dm_digtable;
+
+ 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_max = DM_DIG_MAX;
+ dm_dig->rx_gain_min = DM_DIG_MIN;
+ dm_dig->back_val = DM_DIG_BACKOFF_DEFAULT;
+ dm_dig->back_range_max = DM_DIG_BACKOFF_MAX;
+ dm_dig->back_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 = DM_DIG_MIN;
+ dm_dig->dig_dynamic_min_1 = DM_DIG_MIN;
+ dm_dig->media_connect_0 = false;
+ dm_dig->media_connect_1 = false;
+ rtlpriv->dm.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(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_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)
+ return;
+
+ dig_dynamic_min = dm_dig->dig_dynamic_min;
+ 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_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_max = dm_dig_max;
+ dig_dynamic_min = 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_dynamic_min) {
+ dm_dig->forbidden_igi = dig_dynamic_min;
+ dm_dig->rx_gain_min =
+ dig_dynamic_min;
+ } 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_dynamic_min = dig_dynamic_min;
+}
+
+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);
+
+ 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);
+ 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);
+ }
+}