1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2012 Realtek Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * The full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
16 *
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
21 *
22 * Larry Finger <Larry.Finger@lwfinger.net>
23 *
24 *****************************************************************************/
25
26 #include "../wifi.h"
27 #include "../base.h"
28 #include "../pci.h"
29 #include "reg.h"
30 #include "def.h"
31 #include "phy.h"
32 #include "dm.h"
33 #include "../rtl8723com/dm_common.h"
34 #include "fw.h"
35 #include "hal_btc.h"
36
37 static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = {
38 0x7f8001fe,
39 0x788001e2,
40 0x71c001c7,
41 0x6b8001ae,
42 0x65400195,
43 0x5fc0017f,
44 0x5a400169,
45 0x55400155,
46 0x50800142,
47 0x4c000130,
48 0x47c0011f,
49 0x43c0010f,
50 0x40000100,
51 0x3c8000f2,
52 0x390000e4,
53 0x35c000d7,
54 0x32c000cb,
55 0x300000c0,
56 0x2d4000b5,
57 0x2ac000ab,
58 0x288000a2,
59 0x26000098,
60 0x24000090,
61 0x22000088,
62 0x20000080,
63 0x1e400079,
64 0x1c800072,
65 0x1b00006c,
66 0x19800066,
67 0x18000060,
68 0x16c0005b,
69 0x15800056,
70 0x14400051,
71 0x1300004c,
72 0x12000048,
73 0x11000044,
74 0x10000040,
75 };
76
77 static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = {
78 {0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04},
79 {0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04},
80 {0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03},
81 {0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03},
82 {0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03},
83 {0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03},
84 {0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03},
85 {0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03},
86 {0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02},
87 {0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02},
88 {0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02},
89 {0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02},
90 {0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02},
91 {0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02},
92 {0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02},
93 {0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02},
94 {0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01},
95 {0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02},
96 {0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01},
97 {0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
98 {0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
99 {0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01},
100 {0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01},
101 {0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01},
102 {0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01},
103 {0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01},
104 {0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01},
105 {0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01},
106 {0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01},
107 {0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01},
108 {0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01},
109 {0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01},
110 {0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01}
111 };
112
113 static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
114 {0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00},
115 {0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00},
116 {0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00},
117 {0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00},
118 {0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00},
119 {0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00},
120 {0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00},
121 {0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00},
122 {0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00},
123 {0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00},
124 {0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00},
125 {0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00},
126 {0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00},
127 {0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00},
128 {0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00},
129 {0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00},
130 {0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00},
131 {0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00},
132 {0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00},
133 {0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
134 {0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
135 {0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00},
136 {0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00},
137 {0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
138 {0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
139 {0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00},
140 {0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
141 {0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
142 {0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
143 {0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
144 {0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
145 {0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
146 {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}
147 };
148
rtl8723e_dm_diginit(struct ieee80211_hw * hw)149 static void rtl8723e_dm_diginit(struct ieee80211_hw *hw)
150 {
151 struct rtl_priv *rtlpriv = rtl_priv(hw);
152 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
153
154 dm_digtable->dig_enable_flag = true;
155 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
156 dm_digtable->cur_igvalue = 0x20;
157 dm_digtable->pre_igvalue = 0x0;
158 dm_digtable->cursta_cstate = DIG_STA_DISCONNECT;
159 dm_digtable->presta_cstate = DIG_STA_DISCONNECT;
160 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
161 dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
162 dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
163 dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
164 dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
165 dm_digtable->rx_gain_max = DM_DIG_MAX;
166 dm_digtable->rx_gain_min = DM_DIG_MIN;
167 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
168 dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
169 dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
170 dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
171 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX;
172 }
173
rtl8723e_dm_initial_gain_min_pwdb(struct ieee80211_hw * hw)174 static u8 rtl8723e_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw)
175 {
176 struct rtl_priv *rtlpriv = rtl_priv(hw);
177 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
178 long rssi_val_min = 0;
179
180 if ((dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) &&
181 (dm_digtable->cursta_cstate == DIG_STA_CONNECT)) {
182 if (rtlpriv->dm.entry_min_undec_sm_pwdb != 0)
183 rssi_val_min =
184 (rtlpriv->dm.entry_min_undec_sm_pwdb >
185 rtlpriv->dm.undec_sm_pwdb) ?
186 rtlpriv->dm.undec_sm_pwdb :
187 rtlpriv->dm.entry_min_undec_sm_pwdb;
188 else
189 rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
190 } else if (dm_digtable->cursta_cstate == DIG_STA_CONNECT ||
191 dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT) {
192 rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
193 } else if (dm_digtable->curmultista_cstate ==
194 DIG_MULTISTA_CONNECT) {
195 rssi_val_min = rtlpriv->dm.entry_min_undec_sm_pwdb;
196 }
197
198 return (u8) rssi_val_min;
199 }
200
rtl8723e_dm_false_alarm_counter_statistics(struct ieee80211_hw * hw)201 static void rtl8723e_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
202 {
203 u32 ret_value;
204 struct rtl_priv *rtlpriv = rtl_priv(hw);
205 struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
206
207 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
208 falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
209
210 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
211 falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
212 falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
213
214 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
215 falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
216 falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
217 falsealm_cnt->cnt_rate_illegal +
218 falsealm_cnt->cnt_crc8_fail + falsealm_cnt->cnt_mcs_fail;
219
220 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1);
221 ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0);
222 falsealm_cnt->cnt_cck_fail = ret_value;
223
224 ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERUPPER, MASKBYTE3);
225 falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;
226 falsealm_cnt->cnt_all = (falsealm_cnt->cnt_parity_fail +
227 falsealm_cnt->cnt_rate_illegal +
228 falsealm_cnt->cnt_crc8_fail +
229 falsealm_cnt->cnt_mcs_fail +
230 falsealm_cnt->cnt_cck_fail);
231
232 rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 1);
233 rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 0);
234 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 0);
235 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 2);
236
237 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
238 "cnt_parity_fail = %d, cnt_rate_illegal = %d, cnt_crc8_fail = %d, cnt_mcs_fail = %d\n",
239 falsealm_cnt->cnt_parity_fail,
240 falsealm_cnt->cnt_rate_illegal,
241 falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail);
242
243 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
244 "cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n",
245 falsealm_cnt->cnt_ofdm_fail,
246 falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all);
247 }
248
rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw * hw)249 static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw)
250 {
251 struct rtl_priv *rtlpriv = rtl_priv(hw);
252 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
253 u8 value_igi = dm_digtable->cur_igvalue;
254
255 if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
256 value_igi--;
257 else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
258 value_igi += 0;
259 else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH2)
260 value_igi++;
261 else if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2)
262 value_igi += 2;
263 if (value_igi > DM_DIG_FA_UPPER)
264 value_igi = DM_DIG_FA_UPPER;
265 else if (value_igi < DM_DIG_FA_LOWER)
266 value_igi = DM_DIG_FA_LOWER;
267 if (rtlpriv->falsealm_cnt.cnt_all > 10000)
268 value_igi = 0x32;
269
270 dm_digtable->cur_igvalue = value_igi;
271 rtl8723e_dm_write_dig(hw);
272 }
273
rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw * hw)274 static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw)
275 {
276 struct rtl_priv *rtlpriv = rtl_priv(hw);
277 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
278
279 if (rtlpriv->falsealm_cnt.cnt_all > dm_digtable->fa_highthresh) {
280 if ((dm_digtable->back_val - 2) <
281 dm_digtable->back_range_min)
282 dm_digtable->back_val =
283 dm_digtable->back_range_min;
284 else
285 dm_digtable->back_val -= 2;
286 } else if (rtlpriv->falsealm_cnt.cnt_all < dm_digtable->fa_lowthresh) {
287 if ((dm_digtable->back_val + 2) >
288 dm_digtable->back_range_max)
289 dm_digtable->back_val =
290 dm_digtable->back_range_max;
291 else
292 dm_digtable->back_val += 2;
293 }
294
295 if ((dm_digtable->rssi_val_min + 10 - dm_digtable->back_val) >
296 dm_digtable->rx_gain_max)
297 dm_digtable->cur_igvalue = dm_digtable->rx_gain_max;
298 else if ((dm_digtable->rssi_val_min + 10 -
299 dm_digtable->back_val) < dm_digtable->rx_gain_min)
300 dm_digtable->cur_igvalue = dm_digtable->rx_gain_min;
301 else
302 dm_digtable->cur_igvalue = dm_digtable->rssi_val_min + 10 -
303 dm_digtable->back_val;
304
305 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
306 "rssi_val_min = %x back_val %x\n",
307 dm_digtable->rssi_val_min, dm_digtable->back_val);
308
309 rtl8723e_dm_write_dig(hw);
310 }
311
rtl8723e_dm_initial_gain_multi_sta(struct ieee80211_hw * hw)312 static void rtl8723e_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
313 {
314 static u8 binitialized;
315 struct rtl_priv *rtlpriv = rtl_priv(hw);
316 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
317 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
318 long rssi_strength = rtlpriv->dm.entry_min_undec_sm_pwdb;
319 bool multi_sta = false;
320
321 if (mac->opmode == NL80211_IFTYPE_ADHOC)
322 multi_sta = true;
323
324 if (!multi_sta || (dm_digtable->cursta_cstate != DIG_STA_DISCONNECT)) {
325 binitialized = false;
326 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
327 return;
328 } else if (!binitialized) {
329 binitialized = true;
330 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
331 dm_digtable->cur_igvalue = 0x20;
332 rtl8723e_dm_write_dig(hw);
333 }
334
335 if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) {
336 if ((rssi_strength < dm_digtable->rssi_lowthresh) &&
337 (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) {
338
339 if (dm_digtable->dig_ext_port_stage ==
340 DIG_EXT_PORT_STAGE_2) {
341 dm_digtable->cur_igvalue = 0x20;
342 rtl8723e_dm_write_dig(hw);
343 }
344
345 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_1;
346 } else if (rssi_strength > dm_digtable->rssi_highthresh) {
347 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_2;
348 rtl92c_dm_ctrl_initgain_by_fa(hw);
349 }
350 } else if (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) {
351 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
352 dm_digtable->cur_igvalue = 0x20;
353 rtl8723e_dm_write_dig(hw);
354 }
355
356 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
357 "curmultista_cstate = %x dig_ext_port_stage %x\n",
358 dm_digtable->curmultista_cstate,
359 dm_digtable->dig_ext_port_stage);
360 }
361
rtl8723e_dm_initial_gain_sta(struct ieee80211_hw * hw)362 static void rtl8723e_dm_initial_gain_sta(struct ieee80211_hw *hw)
363 {
364 struct rtl_priv *rtlpriv = rtl_priv(hw);
365 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
366
367 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
368 "presta_cstate = %x, cursta_cstate = %x\n",
369 dm_digtable->presta_cstate,
370 dm_digtable->cursta_cstate);
371
372 if (dm_digtable->presta_cstate == dm_digtable->cursta_cstate ||
373 dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT ||
374 dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
375 if (dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) {
376 dm_digtable->rssi_val_min =
377 rtl8723e_dm_initial_gain_min_pwdb(hw);
378 rtl92c_dm_ctrl_initgain_by_rssi(hw);
379 }
380 } else {
381 dm_digtable->rssi_val_min = 0;
382 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
383 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
384 dm_digtable->cur_igvalue = 0x20;
385 dm_digtable->pre_igvalue = 0;
386 rtl8723e_dm_write_dig(hw);
387 }
388 }
389
rtl8723e_dm_cck_packet_detection_thresh(struct ieee80211_hw * hw)390 static void rtl8723e_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
391 {
392 struct rtl_priv *rtlpriv = rtl_priv(hw);
393 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
394
395 if (dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
396 dm_digtable->rssi_val_min = rtl8723e_dm_initial_gain_min_pwdb(hw);
397
398 if (dm_digtable->pre_cck_pd_state == CCK_PD_STAGE_LowRssi) {
399 if (dm_digtable->rssi_val_min <= 25)
400 dm_digtable->cur_cck_pd_state =
401 CCK_PD_STAGE_LowRssi;
402 else
403 dm_digtable->cur_cck_pd_state =
404 CCK_PD_STAGE_HighRssi;
405 } else {
406 if (dm_digtable->rssi_val_min <= 20)
407 dm_digtable->cur_cck_pd_state =
408 CCK_PD_STAGE_LowRssi;
409 else
410 dm_digtable->cur_cck_pd_state =
411 CCK_PD_STAGE_HighRssi;
412 }
413 } else {
414 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX;
415 }
416
417 if (dm_digtable->pre_cck_pd_state != dm_digtable->cur_cck_pd_state) {
418 if (dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_LowRssi) {
419 if (rtlpriv->falsealm_cnt.cnt_cck_fail > 800)
420 dm_digtable->cur_cck_fa_state =
421 CCK_FA_STAGE_High;
422 else
423 dm_digtable->cur_cck_fa_state =
424 CCK_FA_STAGE_LOW;
425 if (dm_digtable->pre_cck_fa_state !=
426 dm_digtable->cur_cck_fa_state) {
427 if (dm_digtable->cur_cck_fa_state ==
428 CCK_FA_STAGE_LOW)
429 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
430 0x83);
431 else
432 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
433 0xcd);
434
435 dm_digtable->pre_cck_fa_state =
436 dm_digtable->cur_cck_fa_state;
437 }
438
439 rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x40);
440
441 } else {
442 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
443 rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x47);
444
445 }
446 dm_digtable->pre_cck_pd_state = dm_digtable->cur_cck_pd_state;
447 }
448
449 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
450 "CCKPDStage=%x\n", dm_digtable->cur_cck_pd_state);
451
452 }
453
rtl8723e_dm_ctrl_initgain_by_twoport(struct ieee80211_hw * hw)454 static void rtl8723e_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
455 {
456 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
457 struct rtl_priv *rtlpriv = rtl_priv(hw);
458 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
459
460 if (mac->act_scanning)
461 return;
462
463 if (mac->link_state >= MAC80211_LINKED)
464 dm_digtable->cursta_cstate = DIG_STA_CONNECT;
465 else
466 dm_digtable->cursta_cstate = DIG_STA_DISCONNECT;
467
468 rtl8723e_dm_initial_gain_sta(hw);
469 rtl8723e_dm_initial_gain_multi_sta(hw);
470 rtl8723e_dm_cck_packet_detection_thresh(hw);
471
472 dm_digtable->presta_cstate = dm_digtable->cursta_cstate;
473
474 }
475
rtl8723e_dm_dig(struct ieee80211_hw * hw)476 static void rtl8723e_dm_dig(struct ieee80211_hw *hw)
477 {
478 struct rtl_priv *rtlpriv = rtl_priv(hw);
479 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
480
481 if (!rtlpriv->dm.dm_initialgain_enable)
482 return;
483 if (!dm_digtable->dig_enable_flag)
484 return;
485
486 rtl8723e_dm_ctrl_initgain_by_twoport(hw);
487
488 }
489
rtl8723e_dm_dynamic_txpower(struct ieee80211_hw * hw)490 static void rtl8723e_dm_dynamic_txpower(struct ieee80211_hw *hw)
491 {
492 struct rtl_priv *rtlpriv = rtl_priv(hw);
493 struct rtl_phy *rtlphy = &(rtlpriv->phy);
494 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
495 long undec_sm_pwdb;
496
497 if (!rtlpriv->dm.dynamic_txpower_enable)
498 return;
499
500 if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
501 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
502 return;
503 }
504
505 if ((mac->link_state < MAC80211_LINKED) &&
506 (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
507 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
508 "Not connected to any\n");
509
510 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
511
512 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
513 return;
514 }
515
516 if (mac->link_state >= MAC80211_LINKED) {
517 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
518 undec_sm_pwdb =
519 rtlpriv->dm.entry_min_undec_sm_pwdb;
520 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
521 "AP Client PWDB = 0x%lx\n",
522 undec_sm_pwdb);
523 } else {
524 undec_sm_pwdb =
525 rtlpriv->dm.undec_sm_pwdb;
526 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
527 "STA Default Port PWDB = 0x%lx\n",
528 undec_sm_pwdb);
529 }
530 } else {
531 undec_sm_pwdb =
532 rtlpriv->dm.entry_min_undec_sm_pwdb;
533
534 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
535 "AP Ext Port PWDB = 0x%lx\n",
536 undec_sm_pwdb);
537 }
538
539 if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
540 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
541 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
542 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
543 } else if ((undec_sm_pwdb <
544 (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
545 (undec_sm_pwdb >=
546 TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
547 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
548 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
549 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
550 } else if (undec_sm_pwdb <
551 (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
552 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
553 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
554 "TXHIGHPWRLEVEL_NORMAL\n");
555 }
556
557 if (rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl) {
558 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
559 "PHY_SetTxPowerLevel8192S() Channel = %d\n",
560 rtlphy->current_channel);
561 rtl8723e_phy_set_txpower_level(hw, rtlphy->current_channel);
562 }
563
564 rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
565 }
566
rtl8723e_dm_write_dig(struct ieee80211_hw * hw)567 void rtl8723e_dm_write_dig(struct ieee80211_hw *hw)
568 {
569 struct rtl_priv *rtlpriv = rtl_priv(hw);
570 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
571
572 RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
573 "cur_igvalue = 0x%x, pre_igvalue = 0x%x, back_val = %d\n",
574 dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
575 dm_digtable->back_val);
576
577 if (dm_digtable->pre_igvalue != dm_digtable->cur_igvalue) {
578 rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
579 dm_digtable->cur_igvalue);
580 rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f,
581 dm_digtable->cur_igvalue);
582
583 dm_digtable->pre_igvalue = dm_digtable->cur_igvalue;
584 }
585 }
586
rtl8723e_dm_pwdb_monitor(struct ieee80211_hw * hw)587 static void rtl8723e_dm_pwdb_monitor(struct ieee80211_hw *hw)
588 {
589 }
590
rtl8723e_dm_check_edca_turbo(struct ieee80211_hw * hw)591 static void rtl8723e_dm_check_edca_turbo(struct ieee80211_hw *hw)
592 {
593 struct rtl_priv *rtlpriv = rtl_priv(hw);
594 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
595
596 static u64 last_txok_cnt;
597 static u64 last_rxok_cnt;
598 static u32 last_bt_edca_ul;
599 static u32 last_bt_edca_dl;
600 u64 cur_txok_cnt = 0;
601 u64 cur_rxok_cnt = 0;
602 u32 edca_be_ul = 0x5ea42b;
603 u32 edca_be_dl = 0x5ea42b;
604 bool bt_change_edca = false;
605
606 if ((last_bt_edca_ul != rtlpriv->btcoexist.bt_edca_ul) ||
607 (last_bt_edca_dl != rtlpriv->btcoexist.bt_edca_dl)) {
608 rtlpriv->dm.current_turbo_edca = false;
609 last_bt_edca_ul = rtlpriv->btcoexist.bt_edca_ul;
610 last_bt_edca_dl = rtlpriv->btcoexist.bt_edca_dl;
611 }
612
613 if (rtlpriv->btcoexist.bt_edca_ul != 0) {
614 edca_be_ul = rtlpriv->btcoexist.bt_edca_ul;
615 bt_change_edca = true;
616 }
617
618 if (rtlpriv->btcoexist.bt_edca_dl != 0) {
619 edca_be_ul = rtlpriv->btcoexist.bt_edca_dl;
620 bt_change_edca = true;
621 }
622
623 if (mac->link_state != MAC80211_LINKED) {
624 rtlpriv->dm.current_turbo_edca = false;
625 return;
626 }
627 if ((bt_change_edca) || ((!rtlpriv->dm.is_any_nonbepkts) &&
628 (!rtlpriv->dm.disable_framebursting))) {
629
630 cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
631 cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
632
633 if (cur_rxok_cnt > 4 * cur_txok_cnt) {
634 if (!rtlpriv->dm.is_cur_rdlstate ||
635 !rtlpriv->dm.current_turbo_edca) {
636 rtl_write_dword(rtlpriv,
637 REG_EDCA_BE_PARAM,
638 edca_be_dl);
639 rtlpriv->dm.is_cur_rdlstate = true;
640 }
641 } else {
642 if (rtlpriv->dm.is_cur_rdlstate ||
643 !rtlpriv->dm.current_turbo_edca) {
644 rtl_write_dword(rtlpriv,
645 REG_EDCA_BE_PARAM,
646 edca_be_ul);
647 rtlpriv->dm.is_cur_rdlstate = false;
648 }
649 }
650 rtlpriv->dm.current_turbo_edca = true;
651 } else {
652 if (rtlpriv->dm.current_turbo_edca) {
653 u8 tmp = AC0_BE;
654 rtlpriv->cfg->ops->set_hw_reg(hw,
655 HW_VAR_AC_PARAM,
656 (u8 *)(&tmp));
657 rtlpriv->dm.current_turbo_edca = false;
658 }
659 }
660
661 rtlpriv->dm.is_any_nonbepkts = false;
662 last_txok_cnt = rtlpriv->stats.txbytesunicast;
663 last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
664 }
665
rtl8723e_dm_initialize_txpower_tracking_thermalmeter(struct ieee80211_hw * hw)666 static void rtl8723e_dm_initialize_txpower_tracking_thermalmeter(
667 struct ieee80211_hw *hw)
668 {
669 struct rtl_priv *rtlpriv = rtl_priv(hw);
670
671 rtlpriv->dm.txpower_tracking = true;
672 rtlpriv->dm.txpower_trackinginit = false;
673
674 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
675 "pMgntInfo->txpower_tracking = %d\n",
676 rtlpriv->dm.txpower_tracking);
677 }
678
rtl8723e_dm_initialize_txpower_tracking(struct ieee80211_hw * hw)679 static void rtl8723e_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
680 {
681 rtl8723e_dm_initialize_txpower_tracking_thermalmeter(hw);
682 }
683
rtl8723e_dm_check_txpower_tracking(struct ieee80211_hw * hw)684 void rtl8723e_dm_check_txpower_tracking(struct ieee80211_hw *hw)
685 {
686 return;
687 }
688
rtl8723e_dm_init_rate_adaptive_mask(struct ieee80211_hw * hw)689 void rtl8723e_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
690 {
691 struct rtl_priv *rtlpriv = rtl_priv(hw);
692 struct rate_adaptive *p_ra = &(rtlpriv->ra);
693
694 p_ra->ratr_state = DM_RATR_STA_INIT;
695 p_ra->pre_ratr_state = DM_RATR_STA_INIT;
696
697 if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
698 rtlpriv->dm.useramask = true;
699 else
700 rtlpriv->dm.useramask = false;
701
702 }
703
rtl8723e_dm_rf_saving(struct ieee80211_hw * hw,u8 bforce_in_normal)704 void rtl8723e_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal)
705 {
706 struct rtl_priv *rtlpriv = rtl_priv(hw);
707 struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
708 static u8 initialize;
709 static u32 reg_874, reg_c70, reg_85c, reg_a74;
710
711 if (initialize == 0) {
712 reg_874 = (rtl_get_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
713 MASKDWORD) & 0x1CC000) >> 14;
714
715 reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
716 MASKDWORD) & BIT(3)) >> 3;
717
718 reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
719 MASKDWORD) & 0xFF000000) >> 24;
720
721 reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & 0xF000) >> 12;
722
723 initialize = 1;
724 }
725
726 if (!bforce_in_normal) {
727 if (dm_pstable->rssi_val_min != 0) {
728 if (dm_pstable->pre_rfstate == RF_NORMAL) {
729 if (dm_pstable->rssi_val_min >= 30)
730 dm_pstable->cur_rfstate = RF_SAVE;
731 else
732 dm_pstable->cur_rfstate = RF_NORMAL;
733 } else {
734 if (dm_pstable->rssi_val_min <= 25)
735 dm_pstable->cur_rfstate = RF_NORMAL;
736 else
737 dm_pstable->cur_rfstate = RF_SAVE;
738 }
739 } else {
740 dm_pstable->cur_rfstate = RF_MAX;
741 }
742 } else {
743 dm_pstable->cur_rfstate = RF_NORMAL;
744 }
745
746 if (dm_pstable->pre_rfstate != dm_pstable->cur_rfstate) {
747 if (dm_pstable->cur_rfstate == RF_SAVE) {
748 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
749 BIT(5), 0x1);
750 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
751 0x1C0000, 0x2);
752 rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0);
753 rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
754 0xFF000000, 0x63);
755 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
756 0xC000, 0x2);
757 rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3);
758 rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
759 rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
760 } else {
761 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
762 0x1CC000, reg_874);
763 rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
764 reg_c70);
765 rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
766 reg_85c);
767 rtl_set_bbreg(hw, 0xa74, 0xF000, reg_a74);
768 rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
769 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
770 BIT(5), 0x0);
771 }
772
773 dm_pstable->pre_rfstate = dm_pstable->cur_rfstate;
774 }
775 }
776
rtl8723e_dm_dynamic_bb_powersaving(struct ieee80211_hw * hw)777 static void rtl8723e_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
778 {
779 struct rtl_priv *rtlpriv = rtl_priv(hw);
780 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
781 struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
782
783 if (((mac->link_state == MAC80211_NOLINK)) &&
784 (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
785 dm_pstable->rssi_val_min = 0;
786 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
787 "Not connected to any\n");
788 }
789
790 if (mac->link_state == MAC80211_LINKED) {
791 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
792 dm_pstable->rssi_val_min =
793 rtlpriv->dm.entry_min_undec_sm_pwdb;
794 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
795 "AP Client PWDB = 0x%lx\n",
796 dm_pstable->rssi_val_min);
797 } else {
798 dm_pstable->rssi_val_min =
799 rtlpriv->dm.undec_sm_pwdb;
800 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
801 "STA Default Port PWDB = 0x%lx\n",
802 dm_pstable->rssi_val_min);
803 }
804 } else {
805 dm_pstable->rssi_val_min =
806 rtlpriv->dm.entry_min_undec_sm_pwdb;
807
808 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
809 "AP Ext Port PWDB = 0x%lx\n",
810 dm_pstable->rssi_val_min);
811 }
812
813 rtl8723e_dm_rf_saving(hw, false);
814 }
815
rtl8723e_dm_init(struct ieee80211_hw * hw)816 void rtl8723e_dm_init(struct ieee80211_hw *hw)
817 {
818 struct rtl_priv *rtlpriv = rtl_priv(hw);
819
820 rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
821 rtl8723e_dm_diginit(hw);
822 rtl8723_dm_init_dynamic_txpower(hw);
823 rtl8723_dm_init_edca_turbo(hw);
824 rtl8723e_dm_init_rate_adaptive_mask(hw);
825 rtl8723e_dm_initialize_txpower_tracking(hw);
826 rtl8723_dm_init_dynamic_bb_powersaving(hw);
827 }
828
rtl8723e_dm_watchdog(struct ieee80211_hw * hw)829 void rtl8723e_dm_watchdog(struct ieee80211_hw *hw)
830 {
831 struct rtl_priv *rtlpriv = rtl_priv(hw);
832 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
833 bool fw_current_inpsmode = false;
834 bool fw_ps_awake = true;
835 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
836 (u8 *)(&fw_current_inpsmode));
837 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
838 (u8 *)(&fw_ps_awake));
839
840 if (ppsc->p2p_ps_info.p2p_ps_mode)
841 fw_ps_awake = false;
842
843 if ((ppsc->rfpwr_state == ERFON) &&
844 ((!fw_current_inpsmode) && fw_ps_awake) &&
845 (!ppsc->rfchange_inprogress)) {
846 rtl8723e_dm_pwdb_monitor(hw);
847 rtl8723e_dm_dig(hw);
848 rtl8723e_dm_false_alarm_counter_statistics(hw);
849 rtl8723e_dm_dynamic_bb_powersaving(hw);
850 rtl8723e_dm_dynamic_txpower(hw);
851 rtl8723e_dm_check_txpower_tracking(hw);
852 /* rtl92c_dm_refresh_rate_adaptive_mask(hw); */
853 rtl8723e_dm_bt_coexist(hw);
854 rtl8723e_dm_check_edca_turbo(hw);
855 }
856 if (rtlpriv->btcoexist.init_set)
857 rtl_write_byte(rtlpriv, 0x76e, 0xc);
858 }
859
rtl8723e_dm_init_bt_coexist(struct ieee80211_hw * hw)860 static void rtl8723e_dm_init_bt_coexist(struct ieee80211_hw *hw)
861 {
862 struct rtl_priv *rtlpriv = rtl_priv(hw);
863
864 rtlpriv->btcoexist.bt_rfreg_origin_1e
865 = rtl_get_rfreg(hw, (enum radio_path)0, RF_RCK1, 0xfffff);
866 rtlpriv->btcoexist.bt_rfreg_origin_1f
867 = rtl_get_rfreg(hw, (enum radio_path)0, RF_RCK2, 0xf0);
868
869 rtlpriv->btcoexist.cstate = 0;
870 rtlpriv->btcoexist.previous_state = 0;
871 rtlpriv->btcoexist.cstate_h = 0;
872 rtlpriv->btcoexist.previous_state_h = 0;
873 rtlpriv->btcoexist.lps_counter = 0;
874
875 /* Enable counter statistics */
876 rtl_write_byte(rtlpriv, 0x76e, 0x4);
877 rtl_write_byte(rtlpriv, 0x778, 0x3);
878 rtl_write_byte(rtlpriv, 0x40, 0x20);
879
880 rtlpriv->btcoexist.init_set = true;
881 }
882
rtl8723e_dm_bt_coexist(struct ieee80211_hw * hw)883 void rtl8723e_dm_bt_coexist(struct ieee80211_hw *hw)
884 {
885 struct rtl_priv *rtlpriv = rtl_priv(hw);
886 u8 tmp_byte = 0;
887 if (!rtlpriv->btcoexist.bt_coexistence) {
888 RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
889 "[DM]{BT], BT not exist!!\n");
890 return;
891 }
892
893 if (!rtlpriv->btcoexist.init_set) {
894 RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
895 "[DM][BT], rtl8723e_dm_bt_coexist()\n");
896 rtl8723e_dm_init_bt_coexist(hw);
897 }
898
899 tmp_byte = rtl_read_byte(rtlpriv, 0x40);
900 RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
901 "[DM][BT], 0x40 is 0x%x", tmp_byte);
902 RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG,
903 "[DM][BT], bt_dm_coexist start");
904 rtl8723e_dm_bt_coexist_8723(hw);
905 }
906