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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / net / wireless / realtek / rtlwifi / rtl8192ee / dm.c
blob551aa86825edb76c8cdc7bbb2c337e3aff909aa9
1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2014 Realtek Corporation.*/
3
4 #include "../wifi.h"
5 #include "../base.h"
6 #include "../pci.h"
7 #include "../core.h"
8 #include "reg.h"
9 #include "def.h"
10 #include "phy.h"
11 #include "dm.h"
12 #include "fw.h"
13 #include "trx.h"
14
15 static void rtl92ee_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
16 {
17 u32 ret_value;
18 struct rtl_priv *rtlpriv = rtl_priv(hw);
19 struct false_alarm_statistics *falsealm_cnt = &rtlpriv->falsealm_cnt;
20
21 rtl_set_bbreg(hw, DM_REG_OFDM_FA_HOLDC_11N, BIT(31), 1);
22 rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(31), 1);
23
24 ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE1_11N, MASKDWORD);
25 falsealm_cnt->cnt_fast_fsync_fail = (ret_value & 0xffff);
26 falsealm_cnt->cnt_sb_search_fail = ((ret_value & 0xffff0000) >> 16);
27
28 ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE2_11N, MASKDWORD);
29 falsealm_cnt->cnt_ofdm_cca = (ret_value & 0xffff);
30 falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
31
32 ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE3_11N, MASKDWORD);
33 falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
34 falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
35
36 ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE4_11N, MASKDWORD);
37 falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
38
39 falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
40 falsealm_cnt->cnt_rate_illegal +
41 falsealm_cnt->cnt_crc8_fail +
42 falsealm_cnt->cnt_mcs_fail +
43 falsealm_cnt->cnt_fast_fsync_fail +
44 falsealm_cnt->cnt_sb_search_fail;
45
46 ret_value = rtl_get_bbreg(hw, DM_REG_SC_CNT_11N, MASKDWORD);
47 falsealm_cnt->cnt_bw_lsc = (ret_value & 0xffff);
48 falsealm_cnt->cnt_bw_usc = ((ret_value & 0xffff0000) >> 16);
49
50 rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(12), 1);
51 rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(14), 1);
52
53 ret_value = rtl_get_bbreg(hw, DM_REG_CCK_FA_LSB_11N, MASKBYTE0);
54 falsealm_cnt->cnt_cck_fail = ret_value;
55
56 ret_value = rtl_get_bbreg(hw, DM_REG_CCK_FA_MSB_11N, MASKBYTE3);
57 falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;
58
59 ret_value = rtl_get_bbreg(hw, DM_REG_CCK_CCA_CNT_11N, MASKDWORD);
60 falsealm_cnt->cnt_cck_cca = ((ret_value & 0xff) << 8) |
61 ((ret_value & 0xFF00) >> 8);
62
63 falsealm_cnt->cnt_all = falsealm_cnt->cnt_fast_fsync_fail +
64 falsealm_cnt->cnt_sb_search_fail +
65 falsealm_cnt->cnt_parity_fail +
66 falsealm_cnt->cnt_rate_illegal +
67 falsealm_cnt->cnt_crc8_fail +
68 falsealm_cnt->cnt_mcs_fail +
69 falsealm_cnt->cnt_cck_fail;
70
71 falsealm_cnt->cnt_cca_all = falsealm_cnt->cnt_ofdm_cca +
72 falsealm_cnt->cnt_cck_cca;
73
74 /*reset false alarm counter registers*/
75 rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTC_11N, BIT(31), 1);
76 rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTC_11N, BIT(31), 0);
77 rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(27), 1);
78 rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(27), 0);
79 /*update ofdm counter*/
80 rtl_set_bbreg(hw, DM_REG_OFDM_FA_HOLDC_11N, BIT(31), 0);
81 rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(31), 0);
82 /*reset CCK CCA counter*/
83 rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(13) | BIT(12), 0);
84 rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(13) | BIT(12), 2);
85 /*reset CCK FA counter*/
86 rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(15) | BIT(14), 0);
87 rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(15) | BIT(14), 2);
88
89 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
90 "cnt_parity_fail = %d, cnt_rate_illegal = %d, cnt_crc8_fail = %d, cnt_mcs_fail = %d\n",
91 falsealm_cnt->cnt_parity_fail,
92 falsealm_cnt->cnt_rate_illegal,
93 falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail);
94
95 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
96 "cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n",
97 falsealm_cnt->cnt_ofdm_fail,
98 falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all);
99 }
100
101 static void rtl92ee_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
102 {
103 struct rtl_priv *rtlpriv = rtl_priv(hw);
104 struct dig_t *dm_dig = &rtlpriv->dm_digtable;
105 u8 cur_cck_cca_thresh;
106
107 if (rtlpriv->mac80211.link_state >= MAC80211_LINKED) {
108 if (dm_dig->rssi_val_min > 25) {
109 cur_cck_cca_thresh = 0xcd;
110 } else if ((dm_dig->rssi_val_min <= 25) &&
111 (dm_dig->rssi_val_min > 10)) {
112 cur_cck_cca_thresh = 0x83;
113 } else {
114 if (rtlpriv->falsealm_cnt.cnt_cck_fail > 1000)
115 cur_cck_cca_thresh = 0x83;
116 else
117 cur_cck_cca_thresh = 0x40;
118 }
119 } else {
120 if (rtlpriv->falsealm_cnt.cnt_cck_fail > 1000)
121 cur_cck_cca_thresh = 0x83;
122 else
123 cur_cck_cca_thresh = 0x40;
124 }
125 rtl92ee_dm_write_cck_cca_thres(hw, cur_cck_cca_thresh);
126 }
127
128 static void rtl92ee_dm_dig(struct ieee80211_hw *hw)
129 {
130 struct rtl_priv *rtlpriv = rtl_priv(hw);
131 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
132 struct dig_t *dm_dig = &rtlpriv->dm_digtable;
133 u8 dig_min_0, dig_maxofmin;
134 bool bfirstconnect , bfirstdisconnect;
135 u8 dm_dig_max, dm_dig_min;
136 u8 current_igi = dm_dig->cur_igvalue;
137 u8 offset;
138
139 /* AP,BT */
140 if (mac->act_scanning)
141 return;
142
143 dig_min_0 = dm_dig->dig_min_0;
144 bfirstconnect = (mac->link_state >= MAC80211_LINKED) &&
145 !dm_dig->media_connect_0;
146 bfirstdisconnect = (mac->link_state < MAC80211_LINKED) &&
147 dm_dig->media_connect_0;
148
149 dm_dig_max = 0x5a;
150 dm_dig_min = DM_DIG_MIN;
151 dig_maxofmin = DM_DIG_MAX_AP;
152
153 if (mac->link_state >= MAC80211_LINKED) {
154 if ((dm_dig->rssi_val_min + 10) > dm_dig_max)
155 dm_dig->rx_gain_max = dm_dig_max;
156 else if ((dm_dig->rssi_val_min + 10) < dm_dig_min)
157 dm_dig->rx_gain_max = dm_dig_min;
158 else
159 dm_dig->rx_gain_max = dm_dig->rssi_val_min + 10;
160
161 if (rtlpriv->dm.one_entry_only) {
162 offset = 0;
163 if (dm_dig->rssi_val_min - offset < dm_dig_min)
164 dig_min_0 = dm_dig_min;
165 else if (dm_dig->rssi_val_min - offset >
166 dig_maxofmin)
167 dig_min_0 = dig_maxofmin;
168 else
169 dig_min_0 = dm_dig->rssi_val_min - offset;
170 } else {
171 dig_min_0 = dm_dig_min;
172 }
173
174 } else {
175 dm_dig->rx_gain_max = dm_dig_max;
176 dig_min_0 = dm_dig_min;
177 RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD, "no link\n");
178 }
179
180 if (rtlpriv->falsealm_cnt.cnt_all > 10000) {
181 if (dm_dig->large_fa_hit != 3)
182 dm_dig->large_fa_hit++;
183 if (dm_dig->forbidden_igi < current_igi) {
184 dm_dig->forbidden_igi = current_igi;
185 dm_dig->large_fa_hit = 1;
186 }
187
188 if (dm_dig->large_fa_hit >= 3) {
189 if (dm_dig->forbidden_igi + 1 > dm_dig->rx_gain_max)
190 dm_dig->rx_gain_min =
191 dm_dig->rx_gain_max;
192 else
193 dm_dig->rx_gain_min =
194 dm_dig->forbidden_igi + 1;
195 dm_dig->recover_cnt = 3600;
196 }
197 } else {
198 if (dm_dig->recover_cnt != 0) {
199 dm_dig->recover_cnt--;
200 } else {
201 if (dm_dig->large_fa_hit < 3) {
202 if ((dm_dig->forbidden_igi - 1) <
203 dig_min_0) {
204 dm_dig->forbidden_igi = dig_min_0;
205 dm_dig->rx_gain_min =
206 dig_min_0;
207 } else {
208 dm_dig->forbidden_igi--;
209 dm_dig->rx_gain_min =
210 dm_dig->forbidden_igi + 1;
211 }
212 } else {
213 dm_dig->large_fa_hit = 0;
214 }
215 }
216 }
217
218 if (rtlpriv->dm.dbginfo.num_qry_beacon_pkt < 5)
219 dm_dig->rx_gain_min = dm_dig_min;
220
221 if (dm_dig->rx_gain_min > dm_dig->rx_gain_max)
222 dm_dig->rx_gain_min = dm_dig->rx_gain_max;
223
224 if (mac->link_state >= MAC80211_LINKED) {
225 if (bfirstconnect) {
226 if (dm_dig->rssi_val_min <= dig_maxofmin)
227 current_igi = dm_dig->rssi_val_min;
228 else
229 current_igi = dig_maxofmin;
230
231 dm_dig->large_fa_hit = 0;
232 } else {
233 if (rtlpriv->falsealm_cnt.cnt_all > DM_DIG_FA_TH2)
234 current_igi += 4;
235 else if (rtlpriv->falsealm_cnt.cnt_all > DM_DIG_FA_TH1)
236 current_igi += 2;
237 else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
238 current_igi -= 2;
239
240 if (rtlpriv->dm.dbginfo.num_qry_beacon_pkt < 5 &&
241 rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
242 current_igi = dm_dig->rx_gain_min;
243 }
244 } else {
245 if (bfirstdisconnect) {
246 current_igi = dm_dig->rx_gain_min;
247 } else {
248 if (rtlpriv->falsealm_cnt.cnt_all > 10000)
249 current_igi += 4;
250 else if (rtlpriv->falsealm_cnt.cnt_all > 8000)
251 current_igi += 2;
252 else if (rtlpriv->falsealm_cnt.cnt_all < 500)
253 current_igi -= 2;
254 }
255 }
256
257 if (current_igi > dm_dig->rx_gain_max)
258 current_igi = dm_dig->rx_gain_max;
259 if (current_igi < dm_dig->rx_gain_min)
260 current_igi = dm_dig->rx_gain_min;
261
262 rtl92ee_dm_write_dig(hw , current_igi);
263 dm_dig->media_connect_0 = ((mac->link_state >= MAC80211_LINKED) ?
264 true : false);
265 dm_dig->dig_min_0 = dig_min_0;
266 }
267
268 void rtl92ee_dm_write_cck_cca_thres(struct ieee80211_hw *hw, u8 cur_thres)
269 {
270 struct rtl_priv *rtlpriv = rtl_priv(hw);
271 struct dig_t *dm_dig = &rtlpriv->dm_digtable;
272
273 if (dm_dig->cur_cck_cca_thres != cur_thres)
274 rtl_write_byte(rtlpriv, DM_REG_CCK_CCA_11N, cur_thres);
275
276 dm_dig->pre_cck_cca_thres = dm_dig->cur_cck_cca_thres;
277 dm_dig->cur_cck_cca_thres = cur_thres;
278 }
279
280 void rtl92ee_dm_write_dig(struct ieee80211_hw *hw, u8 current_igi)
281 {
282 struct rtl_priv *rtlpriv = rtl_priv(hw);
283 struct dig_t *dm_dig = &rtlpriv->dm_digtable;
284
285 if (dm_dig->stop_dig)
286 return;
287
288 if (dm_dig->cur_igvalue != current_igi) {
289 rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f, current_igi);
290 if (rtlpriv->phy.rf_type != RF_1T1R)
291 rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f, current_igi);
292 }
293 dm_dig->pre_igvalue = dm_dig->cur_igvalue;
294 dm_dig->cur_igvalue = current_igi;
295 }
296
297 static void rtl92ee_rssi_dump_to_register(struct ieee80211_hw *hw)
298 {
299 struct rtl_priv *rtlpriv = rtl_priv(hw);
300
301 rtl_write_byte(rtlpriv, RA_RSSIDUMP,
302 rtlpriv->stats.rx_rssi_percentage[0]);
303 rtl_write_byte(rtlpriv, RB_RSSIDUMP,
304 rtlpriv->stats.rx_rssi_percentage[1]);
305 /*It seems the following values are not initialized.
306 *According to Windows code,
307 *these value will only be valid with JAGUAR chips
308 */
309 /* Rx EVM */
310 rtl_write_byte(rtlpriv, RS1_RXEVMDUMP, rtlpriv->stats.rx_evm_dbm[0]);
311 rtl_write_byte(rtlpriv, RS2_RXEVMDUMP, rtlpriv->stats.rx_evm_dbm[1]);
312 /* Rx SNR */
313 rtl_write_byte(rtlpriv, RA_RXSNRDUMP,
314 (u8)(rtlpriv->stats.rx_snr_db[0]));
315 rtl_write_byte(rtlpriv, RB_RXSNRDUMP,
316 (u8)(rtlpriv->stats.rx_snr_db[1]));
317 /* Rx Cfo_Short */
318 rtl_write_word(rtlpriv, RA_CFOSHORTDUMP,
319 rtlpriv->stats.rx_cfo_short[0]);
320 rtl_write_word(rtlpriv, RB_CFOSHORTDUMP,
321 rtlpriv->stats.rx_cfo_short[1]);
322 /* Rx Cfo_Tail */
323 rtl_write_word(rtlpriv, RA_CFOLONGDUMP, rtlpriv->stats.rx_cfo_tail[0]);
324 rtl_write_word(rtlpriv, RB_CFOLONGDUMP, rtlpriv->stats.rx_cfo_tail[1]);
325 }
326
327 static void rtl92ee_dm_find_minimum_rssi(struct ieee80211_hw *hw)
328 {
329 struct rtl_priv *rtlpriv = rtl_priv(hw);
330 struct dig_t *rtl_dm_dig = &rtlpriv->dm_digtable;
331 struct rtl_mac *mac = rtl_mac(rtlpriv);
332
333 /* Determine the minimum RSSI */
334 if ((mac->link_state < MAC80211_LINKED) &&
335 (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
336 rtl_dm_dig->min_undec_pwdb_for_dm = 0;
337 RT_TRACE(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
338 "Not connected to any\n");
339 }
340 if (mac->link_state >= MAC80211_LINKED) {
341 if (mac->opmode == NL80211_IFTYPE_AP ||
342 mac->opmode == NL80211_IFTYPE_ADHOC) {
343 rtl_dm_dig->min_undec_pwdb_for_dm =
344 rtlpriv->dm.entry_min_undec_sm_pwdb;
345 RT_TRACE(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
346 "AP Client PWDB = 0x%lx\n",
347 rtlpriv->dm.entry_min_undec_sm_pwdb);
348 } else {
349 rtl_dm_dig->min_undec_pwdb_for_dm =
350 rtlpriv->dm.undec_sm_pwdb;
351 RT_TRACE(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
352 "STA Default Port PWDB = 0x%x\n",
353 rtl_dm_dig->min_undec_pwdb_for_dm);
354 }
355 } else {
356 rtl_dm_dig->min_undec_pwdb_for_dm =
357 rtlpriv->dm.entry_min_undec_sm_pwdb;
358 RT_TRACE(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
359 "AP Ext Port or disconnect PWDB = 0x%x\n",
360 rtl_dm_dig->min_undec_pwdb_for_dm);
361 }
362 RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
363 "MinUndecoratedPWDBForDM =%d\n",
364 rtl_dm_dig->min_undec_pwdb_for_dm);
365 }
366
367 static void rtl92ee_dm_check_rssi_monitor(struct ieee80211_hw *hw)
368 {
369 struct rtl_priv *rtlpriv = rtl_priv(hw);
370 struct dig_t *dm_dig = &rtlpriv->dm_digtable;
371 struct rtl_mac *mac = rtl_mac(rtlpriv);
372 struct rtl_dm *dm = rtl_dm(rtlpriv);
373 struct rtl_sta_info *drv_priv;
374 u8 h2c[4] = { 0 };
375 long max = 0, min = 0xff;
376 u8 i = 0;
377
378 if (mac->opmode == NL80211_IFTYPE_AP ||
379 mac->opmode == NL80211_IFTYPE_ADHOC ||
380 mac->opmode == NL80211_IFTYPE_MESH_POINT) {
381 /* AP & ADHOC & MESH */
382 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
383 list_for_each_entry(drv_priv, &rtlpriv->entry_list, list) {
384 struct rssi_sta *stat = &drv_priv->rssi_stat;
385
386 if (stat->undec_sm_pwdb < min)
387 min = stat->undec_sm_pwdb;
388 if (stat->undec_sm_pwdb > max)
389 max = stat->undec_sm_pwdb;
390
391 h2c[3] = 0;
392 h2c[2] = (u8)(dm->undec_sm_pwdb & 0xFF);
393 h2c[1] = 0x20;
394 h2c[0] = ++i;
395 rtl92ee_fill_h2c_cmd(hw, H2C_92E_RSSI_REPORT, 4, h2c);
396 }
397 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
398
399 /* If associated entry is found */
400 if (max != 0) {
401 dm->entry_max_undec_sm_pwdb = max;
402 RTPRINT(rtlpriv, FDM, DM_PWDB,
403 "EntryMaxPWDB = 0x%lx(%ld)\n", max, max);
404 } else {
405 dm->entry_max_undec_sm_pwdb = 0;
406 }
407 /* If associated entry is found */
408 if (min != 0xff) {
409 dm->entry_min_undec_sm_pwdb = min;
410 RTPRINT(rtlpriv, FDM, DM_PWDB,
411 "EntryMinPWDB = 0x%lx(%ld)\n", min, min);
412 } else {
413 dm->entry_min_undec_sm_pwdb = 0;
414 }
415 }
416
417 /* Indicate Rx signal strength to FW. */
418 if (dm->useramask) {
419 h2c[3] = 0;
420 h2c[2] = (u8)(dm->undec_sm_pwdb & 0xFF);
421 h2c[1] = 0x20;
422 h2c[0] = 0;
423 rtl92ee_fill_h2c_cmd(hw, H2C_92E_RSSI_REPORT, 4, h2c);
424 } else {
425 rtl_write_byte(rtlpriv, 0x4fe, dm->undec_sm_pwdb);
426 }
427 rtl92ee_rssi_dump_to_register(hw);
428 rtl92ee_dm_find_minimum_rssi(hw);
429 dm_dig->rssi_val_min = rtlpriv->dm_digtable.min_undec_pwdb_for_dm;
430 }
431
432 static void rtl92ee_dm_init_primary_cca_check(struct ieee80211_hw *hw)
433 {
434 struct rtl_priv *rtlpriv = rtl_priv(hw);
435 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
436 struct dynamic_primary_cca *primarycca = &rtlpriv->primarycca;
437
438 rtlhal->rts_en = 0;
439 primarycca->dup_rts_flag = 0;
440 primarycca->intf_flag = 0;
441 primarycca->intf_type = 0;
442 primarycca->monitor_flag = 0;
443 primarycca->ch_offset = 0;
444 primarycca->mf_state = 0;
445 }
446
447 static bool rtl92ee_dm_is_edca_turbo_disable(struct ieee80211_hw *hw)
448 {
449 struct rtl_priv *rtlpriv = rtl_priv(hw);
450
451 if (rtlpriv->mac80211.mode == WIRELESS_MODE_B)
452 return true;
453
454 return false;
455 }
456
457 void rtl92ee_dm_init_edca_turbo(struct ieee80211_hw *hw)
458 {
459 struct rtl_priv *rtlpriv = rtl_priv(hw);
460
461 rtlpriv->dm.current_turbo_edca = false;
462 rtlpriv->dm.is_cur_rdlstate = false;
463 rtlpriv->dm.is_any_nonbepkts = false;
464 }
465
466 static void rtl92ee_dm_check_edca_turbo(struct ieee80211_hw *hw)
467 {
468 struct rtl_priv *rtlpriv = rtl_priv(hw);
469
470 static u64 last_txok_cnt;
471 static u64 last_rxok_cnt;
472 u64 cur_txok_cnt = 0;
473 u64 cur_rxok_cnt = 0;
474 u32 edca_be_ul = 0x5ea42b;
475 u32 edca_be_dl = 0x5ea42b; /*not sure*/
476 u32 edca_be = 0x5ea42b;
477 bool is_cur_rdlstate;
478 bool b_edca_turbo_on = false;
479
480 if (rtlpriv->dm.dbginfo.num_non_be_pkt > 0x100)
481 rtlpriv->dm.is_any_nonbepkts = true;
482 rtlpriv->dm.dbginfo.num_non_be_pkt = 0;
483
484 cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
485 cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
486
487 /*b_bias_on_rx = false;*/
488 b_edca_turbo_on = ((!rtlpriv->dm.is_any_nonbepkts) &&
489 (!rtlpriv->dm.disable_framebursting)) ?
490 true : false;
491
492 if (rtl92ee_dm_is_edca_turbo_disable(hw))
493 goto check_exit;
494
495 if (b_edca_turbo_on) {
496 is_cur_rdlstate = (cur_rxok_cnt > cur_txok_cnt * 4) ?
497 true : false;
498
499 edca_be = is_cur_rdlstate ? edca_be_dl : edca_be_ul;
500 rtl_write_dword(rtlpriv , REG_EDCA_BE_PARAM , edca_be);
501 rtlpriv->dm.is_cur_rdlstate = is_cur_rdlstate;
502 rtlpriv->dm.current_turbo_edca = true;
503 } else {
504 if (rtlpriv->dm.current_turbo_edca) {
505 u8 tmp = AC0_BE;
506
507 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
508 (u8 *)(&tmp));
509 }
510 rtlpriv->dm.current_turbo_edca = false;
511 }
512
513 check_exit:
514 rtlpriv->dm.is_any_nonbepkts = false;
515 last_txok_cnt = rtlpriv->stats.txbytesunicast;
516 last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
517 }
518
519 static void rtl92ee_dm_dynamic_edcca(struct ieee80211_hw *hw)
520 {
521 struct rtl_priv *rtlpriv = rtl_priv(hw);
522 u8 reg_c50 , reg_c58;
523 bool fw_current_in_ps_mode = false;
524
525 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
526 (u8 *)(&fw_current_in_ps_mode));
527 if (fw_current_in_ps_mode)
528 return;
529
530 reg_c50 = rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1, MASKBYTE0);
531 reg_c58 = rtl_get_bbreg(hw, ROFDM0_XBAGCCORE1, MASKBYTE0);
532
533 if (reg_c50 > 0x28 && reg_c58 > 0x28) {
534 if (!rtlpriv->rtlhal.pre_edcca_enable) {
535 rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD, 0x03);
536 rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD + 2, 0x00);
537 rtlpriv->rtlhal.pre_edcca_enable = true;
538 }
539 } else if (reg_c50 < 0x25 && reg_c58 < 0x25) {
540 if (rtlpriv->rtlhal.pre_edcca_enable) {
541 rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD, 0x7f);
542 rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD + 2, 0x7f);
543 rtlpriv->rtlhal.pre_edcca_enable = false;
544 }
545 }
546 }
547
548 static void rtl92ee_dm_adaptivity(struct ieee80211_hw *hw)
549 {
550 rtl92ee_dm_dynamic_edcca(hw);
551 }
552
553 static void rtl92ee_dm_write_dynamic_cca(struct ieee80211_hw *hw,
554 u8 cur_mf_state)
555 {
556 struct dynamic_primary_cca *primarycca = &rtl_priv(hw)->primarycca;
557
558 if (primarycca->mf_state != cur_mf_state)
559 rtl_set_bbreg(hw, DM_REG_L1SBD_PD_CH_11N, BIT(8) | BIT(7),
560 cur_mf_state);
561
562 primarycca->mf_state = cur_mf_state;
563 }
564
565 static void rtl92ee_dm_dynamic_primary_cca_ckeck(struct ieee80211_hw *hw)
566 {
567 struct rtl_priv *rtlpriv = rtl_priv(hw);
568 struct false_alarm_statistics *falsealm_cnt = &rtlpriv->falsealm_cnt;
569 struct dynamic_primary_cca *primarycca = &rtlpriv->primarycca;
570 bool is40mhz = false;
571 u64 ofdm_cca, ofdm_fa, bw_usc_cnt, bw_lsc_cnt;
572 u8 sec_ch_offset;
573 u8 cur_mf_state;
574 static u8 count_down = MONITOR_TIME;
575
576 ofdm_cca = falsealm_cnt->cnt_ofdm_cca;
577 ofdm_fa = falsealm_cnt->cnt_ofdm_fail;
578 bw_usc_cnt = falsealm_cnt->cnt_bw_usc;
579 bw_lsc_cnt = falsealm_cnt->cnt_bw_lsc;
580 is40mhz = rtlpriv->mac80211.bw_40;
581 sec_ch_offset = rtlpriv->mac80211.cur_40_prime_sc;
582 /* NIC: 2: sec is below, 1: sec is above */
583
584 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) {
585 cur_mf_state = MF_USC_LSC;
586 rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
587 return;
588 }
589
590 if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
591 return;
592
593 if (is40mhz)
594 return;
595
596 if (primarycca->pricca_flag == 0) {
597 /* Primary channel is above
598 * NOTE: duplicate CTS can remove this condition
599 */
600 if (sec_ch_offset == 2) {
601 if ((ofdm_cca > OFDMCCA_TH) &&
602 (bw_lsc_cnt > (bw_usc_cnt + BW_IND_BIAS)) &&
603 (ofdm_fa > (ofdm_cca >> 1))) {
604 primarycca->intf_type = 1;
605 primarycca->intf_flag = 1;
606 cur_mf_state = MF_USC;
607 rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
608 primarycca->pricca_flag = 1;
609 } else if ((ofdm_cca > OFDMCCA_TH) &&
610 (bw_lsc_cnt > (bw_usc_cnt + BW_IND_BIAS)) &&
611 (ofdm_fa < (ofdm_cca >> 1))) {
612 primarycca->intf_type = 2;
613 primarycca->intf_flag = 1;
614 cur_mf_state = MF_USC;
615 rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
616 primarycca->pricca_flag = 1;
617 primarycca->dup_rts_flag = 1;
618 rtlpriv->rtlhal.rts_en = 1;
619 } else {
620 primarycca->intf_type = 0;
621 primarycca->intf_flag = 0;
622 cur_mf_state = MF_USC_LSC;
623 rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
624 rtlpriv->rtlhal.rts_en = 0;
625 primarycca->dup_rts_flag = 0;
626 }
627 } else if (sec_ch_offset == 1) {
628 if ((ofdm_cca > OFDMCCA_TH) &&
629 (bw_usc_cnt > (bw_lsc_cnt + BW_IND_BIAS)) &&
630 (ofdm_fa > (ofdm_cca >> 1))) {
631 primarycca->intf_type = 1;
632 primarycca->intf_flag = 1;
633 cur_mf_state = MF_LSC;
634 rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
635 primarycca->pricca_flag = 1;
636 } else if ((ofdm_cca > OFDMCCA_TH) &&
637 (bw_usc_cnt > (bw_lsc_cnt + BW_IND_BIAS)) &&
638 (ofdm_fa < (ofdm_cca >> 1))) {
639 primarycca->intf_type = 2;
640 primarycca->intf_flag = 1;
641 cur_mf_state = MF_LSC;
642 rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
643 primarycca->pricca_flag = 1;
644 primarycca->dup_rts_flag = 1;
645 rtlpriv->rtlhal.rts_en = 1;
646 } else {
647 primarycca->intf_type = 0;
648 primarycca->intf_flag = 0;
649 cur_mf_state = MF_USC_LSC;
650 rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
651 rtlpriv->rtlhal.rts_en = 0;
652 primarycca->dup_rts_flag = 0;
653 }
654 }
655 } else {/* PrimaryCCA->PriCCA_flag==1 */
656 count_down--;
657 if (count_down == 0) {
658 count_down = MONITOR_TIME;
659 primarycca->pricca_flag = 0;
660 cur_mf_state = MF_USC_LSC;
661 /* default */
662 rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
663 rtlpriv->rtlhal.rts_en = 0;
664 primarycca->dup_rts_flag = 0;
665 primarycca->intf_type = 0;
666 primarycca->intf_flag = 0;
667 }
668 }
669 }
670
671 static void rtl92ee_dm_dynamic_atc_switch(struct ieee80211_hw *hw)
672 {
673 struct rtl_priv *rtlpriv = rtl_priv(hw);
674 struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
675 u8 crystal_cap;
676 u32 packet_count;
677 int cfo_khz_a , cfo_khz_b , cfo_ave = 0, adjust_xtal = 0;
678 int cfo_ave_diff;
679
680 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
681 if (rtldm->atc_status == ATC_STATUS_OFF) {
682 rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11),
683 ATC_STATUS_ON);
684 rtldm->atc_status = ATC_STATUS_ON;
685 }
686 /* Disable CFO tracking for BT */
687 if (rtlpriv->cfg->ops->get_btc_status()) {
688 if (!rtlpriv->btcoexist.btc_ops->
689 btc_is_bt_disabled(rtlpriv)) {
690 RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
691 "odm_DynamicATCSwitch(): Disable CFO tracking for BT!!\n");
692 return;
693 }
694 }
695 /* Reset Crystal Cap */
696 if (rtldm->crystal_cap != rtlpriv->efuse.crystalcap) {
697 rtldm->crystal_cap = rtlpriv->efuse.crystalcap;
698 crystal_cap = rtldm->crystal_cap & 0x3f;
699 rtl_set_bbreg(hw, REG_MAC_PHY_CTRL, 0xFFF000,
700 (crystal_cap | (crystal_cap << 6)));
701 }
702 } else {
703 cfo_khz_a = (int)(rtldm->cfo_tail[0] * 3125) / 1280;
704 cfo_khz_b = (int)(rtldm->cfo_tail[1] * 3125) / 1280;
705 packet_count = rtldm->packet_count;
706
707 if (packet_count == rtldm->packet_count_pre)
708 return;
709
710 rtldm->packet_count_pre = packet_count;
711
712 if (rtlpriv->phy.rf_type == RF_1T1R)
713 cfo_ave = cfo_khz_a;
714 else
715 cfo_ave = (int)(cfo_khz_a + cfo_khz_b) >> 1;
716
717 cfo_ave_diff = (rtldm->cfo_ave_pre >= cfo_ave) ?
718 (rtldm->cfo_ave_pre - cfo_ave) :
719 (cfo_ave - rtldm->cfo_ave_pre);
720
721 if (cfo_ave_diff > 20 && rtldm->large_cfo_hit == 0) {
722 rtldm->large_cfo_hit = 1;
723 return;
724 }
725 rtldm->large_cfo_hit = 0;
726
727 rtldm->cfo_ave_pre = cfo_ave;
728
729 if (cfo_ave >= -rtldm->cfo_threshold &&
730 cfo_ave <= rtldm->cfo_threshold && rtldm->is_freeze == 0) {
731 if (rtldm->cfo_threshold == CFO_THRESHOLD_XTAL) {
732 rtldm->cfo_threshold = CFO_THRESHOLD_XTAL + 10;
733 rtldm->is_freeze = 1;
734 } else {
735 rtldm->cfo_threshold = CFO_THRESHOLD_XTAL;
736 }
737 }
738
739 if (cfo_ave > rtldm->cfo_threshold && rtldm->crystal_cap < 0x3f)
740 adjust_xtal = ((cfo_ave - CFO_THRESHOLD_XTAL) >> 2) + 1;
741 else if ((cfo_ave < -rtlpriv->dm.cfo_threshold) &&
742 rtlpriv->dm.crystal_cap > 0)
743 adjust_xtal = ((cfo_ave + CFO_THRESHOLD_XTAL) >> 2) - 1;
744
745 if (adjust_xtal != 0) {
746 rtldm->is_freeze = 0;
747 rtldm->crystal_cap += adjust_xtal;
748
749 if (rtldm->crystal_cap > 0x3f)
750 rtldm->crystal_cap = 0x3f;
751 else if (rtldm->crystal_cap < 0)
752 rtldm->crystal_cap = 0;
753
754 crystal_cap = rtldm->crystal_cap & 0x3f;
755 rtl_set_bbreg(hw, REG_MAC_PHY_CTRL, 0xFFF000,
756 (crystal_cap | (crystal_cap << 6)));
757 }
758
759 if (cfo_ave < CFO_THRESHOLD_ATC &&
760 cfo_ave > -CFO_THRESHOLD_ATC) {
761 if (rtldm->atc_status == ATC_STATUS_ON) {
762 rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11),
763 ATC_STATUS_OFF);
764 rtldm->atc_status = ATC_STATUS_OFF;
765 }
766 } else {
767 if (rtldm->atc_status == ATC_STATUS_OFF) {
768 rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11),
769 ATC_STATUS_ON);
770 rtldm->atc_status = ATC_STATUS_ON;
771 }
772 }
773 }
774 }
775
776 static void rtl92ee_dm_init_txpower_tracking(struct ieee80211_hw *hw)
777 {
778 struct rtl_priv *rtlpriv = rtl_priv(hw);
779 struct rtl_dm *dm = rtl_dm(rtlpriv);
780 u8 path;
781
782 dm->txpower_tracking = true;
783 dm->default_ofdm_index = 30;
784 dm->default_cck_index = 20;
785
786 dm->swing_idx_cck_base = dm->default_cck_index;
787 dm->cck_index = dm->default_cck_index;
788
789 for (path = RF90_PATH_A; path < MAX_RF_PATH; path++) {
790 dm->swing_idx_ofdm_base[path] = dm->default_ofdm_index;
791 dm->ofdm_index[path] = dm->default_ofdm_index;
792 dm->delta_power_index[path] = 0;
793 dm->delta_power_index_last[path] = 0;
794 dm->power_index_offset[path] = 0;
795 }
796 }
797
798 void rtl92ee_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
799 {
800 struct rtl_priv *rtlpriv = rtl_priv(hw);
801 struct rate_adaptive *p_ra = &rtlpriv->ra;
802
803 p_ra->ratr_state = DM_RATR_STA_INIT;
804 p_ra->pre_ratr_state = DM_RATR_STA_INIT;
805
806 if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
807 rtlpriv->dm.useramask = true;
808 else
809 rtlpriv->dm.useramask = false;
810
811 p_ra->ldpc_thres = 35;
812 p_ra->use_ldpc = false;
813 p_ra->high_rssi_thresh_for_ra = 50;
814 p_ra->low_rssi_thresh_for_ra40m = 20;
815 }
816
817 static bool _rtl92ee_dm_ra_state_check(struct ieee80211_hw *hw,
818 s32 rssi, u8 *ratr_state)
819 {
820 struct rtl_priv *rtlpriv = rtl_priv(hw);
821 struct rate_adaptive *p_ra = &rtlpriv->ra;
822 const u8 go_up_gap = 5;
823 u32 high_rssithresh_for_ra = p_ra->high_rssi_thresh_for_ra;
824 u32 low_rssithresh_for_ra = p_ra->low_rssi_thresh_for_ra40m;
825 u8 state;
826
827 /* Threshold Adjustment:
828 * when RSSI state trends to go up one or two levels,
829 * make sure RSSI is high enough.
830 * Here GoUpGap is added to solve
831 * the boundary's level alternation issue.
832 */
833 switch (*ratr_state) {
834 case DM_RATR_STA_INIT:
835 case DM_RATR_STA_HIGH:
836 break;
837 case DM_RATR_STA_MIDDLE:
838 high_rssithresh_for_ra += go_up_gap;
839 break;
840 case DM_RATR_STA_LOW:
841 high_rssithresh_for_ra += go_up_gap;
842 low_rssithresh_for_ra += go_up_gap;
843 break;
844 default:
845 RT_TRACE(rtlpriv, COMP_RATR, DBG_DMESG,
846 "wrong rssi level setting %d !\n", *ratr_state);
847 break;
848 }
849
850 /* Decide RATRState by RSSI. */
851 if (rssi > high_rssithresh_for_ra)
852 state = DM_RATR_STA_HIGH;
853 else if (rssi > low_rssithresh_for_ra)
854 state = DM_RATR_STA_MIDDLE;
855 else
856 state = DM_RATR_STA_LOW;
857
858 if (*ratr_state != state) {
859 *ratr_state = state;
860 return true;
861 }
862
863 return false;
864 }
865
866 static void rtl92ee_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)
867 {
868 struct rtl_priv *rtlpriv = rtl_priv(hw);
869 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
870 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
871 struct rate_adaptive *p_ra = &rtlpriv->ra;
872 struct ieee80211_sta *sta = NULL;
873
874 if (is_hal_stop(rtlhal)) {
875 RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
876 "driver is going to unload\n");
877 return;
878 }
879
880 if (!rtlpriv->dm.useramask) {
881 RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
882 "driver does not control rate adaptive mask\n");
883 return;
884 }
885
886 if (mac->link_state == MAC80211_LINKED &&
887 mac->opmode == NL80211_IFTYPE_STATION) {
888 if (rtlpriv->dm.undec_sm_pwdb < p_ra->ldpc_thres) {
889 p_ra->use_ldpc = true;
890 p_ra->lower_rts_rate = true;
891 } else if (rtlpriv->dm.undec_sm_pwdb >
892 (p_ra->ldpc_thres - 5)) {
893 p_ra->use_ldpc = false;
894 p_ra->lower_rts_rate = false;
895 }
896 if (_rtl92ee_dm_ra_state_check(hw, rtlpriv->dm.undec_sm_pwdb,
897 &p_ra->ratr_state)) {
898 rcu_read_lock();
899 sta = rtl_find_sta(hw, mac->bssid);
900 if (sta)
901 rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
902 p_ra->ratr_state,
903 true);
904 rcu_read_unlock();
905
906 p_ra->pre_ratr_state = p_ra->ratr_state;
907 }
908 }
909 }
910
911 static void rtl92ee_dm_init_dynamic_atc_switch(struct ieee80211_hw *hw)
912 {
913 struct rtl_priv *rtlpriv = rtl_priv(hw);
914
915 rtlpriv->dm.crystal_cap = rtlpriv->efuse.crystalcap;
916
917 rtlpriv->dm.atc_status = rtl_get_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11));
918 rtlpriv->dm.cfo_threshold = CFO_THRESHOLD_XTAL;
919 }
920
921 void rtl92ee_dm_init(struct ieee80211_hw *hw)
922 {
923 struct rtl_priv *rtlpriv = rtl_priv(hw);
924 u32 cur_igvalue = rtl_get_bbreg(hw, DM_REG_IGI_A_11N, DM_BIT_IGI_11N);
925
926 rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
927
928 rtl_dm_diginit(hw, cur_igvalue);
929 rtl92ee_dm_init_rate_adaptive_mask(hw);
930 rtl92ee_dm_init_primary_cca_check(hw);
931 rtl92ee_dm_init_edca_turbo(hw);
932 rtl92ee_dm_init_txpower_tracking(hw);
933 rtl92ee_dm_init_dynamic_atc_switch(hw);
934 }
935
936 static void rtl92ee_dm_common_info_self_update(struct ieee80211_hw *hw)
937 {
938 struct rtl_priv *rtlpriv = rtl_priv(hw);
939 struct rtl_sta_info *drv_priv;
940 u8 cnt = 0;
941
942 rtlpriv->dm.one_entry_only = false;
943
944 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_STATION &&
945 rtlpriv->mac80211.link_state >= MAC80211_LINKED) {
946 rtlpriv->dm.one_entry_only = true;
947 return;
948 }
949
950 if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP ||
951 rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC ||
952 rtlpriv->mac80211.opmode == NL80211_IFTYPE_MESH_POINT) {
953 spin_lock_bh(&rtlpriv->locks.entry_list_lock);
954 list_for_each_entry(drv_priv, &rtlpriv->entry_list, list) {
955 cnt++;
956 }
957 spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
958
959 if (cnt == 1)
960 rtlpriv->dm.one_entry_only = true;
961 }
962 }
963
964 void rtl92ee_dm_dynamic_arfb_select(struct ieee80211_hw *hw,
965 u8 rate, bool collision_state)
966 {
967 struct rtl_priv *rtlpriv = rtl_priv(hw);
968
969 if (rate >= DESC92C_RATEMCS8 && rate <= DESC92C_RATEMCS12) {
970 if (collision_state == 1) {
971 if (rate == DESC92C_RATEMCS12) {
972 rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
973 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
974 0x07060501);
975 } else if (rate == DESC92C_RATEMCS11) {
976 rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
977 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
978 0x07070605);
979 } else if (rate == DESC92C_RATEMCS10) {
980 rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
981 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
982 0x08080706);
983 } else if (rate == DESC92C_RATEMCS9) {
984 rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
985 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
986 0x08080707);
987 } else {
988 rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
989 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
990 0x09090808);
991 }
992 } else { /* collision_state == 0 */
993 if (rate == DESC92C_RATEMCS12) {
994 rtl_write_dword(rtlpriv, REG_DARFRC,
995 0x05010000);
996 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
997 0x09080706);
998 } else if (rate == DESC92C_RATEMCS11) {
999 rtl_write_dword(rtlpriv, REG_DARFRC,
1000 0x06050000);
1001 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
1002 0x09080807);
1003 } else if (rate == DESC92C_RATEMCS10) {
1004 rtl_write_dword(rtlpriv, REG_DARFRC,
1005 0x07060000);
1006 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
1007 0x0a090908);
1008 } else if (rate == DESC92C_RATEMCS9) {
1009 rtl_write_dword(rtlpriv, REG_DARFRC,
1010 0x07070000);
1011 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
1012 0x0a090808);
1013 } else {
1014 rtl_write_dword(rtlpriv, REG_DARFRC,
1015 0x08080000);
1016 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
1017 0x0b0a0909);
1018 }
1019 }
1020 } else { /* MCS13~MCS15, 1SS, G-mode */
1021 if (collision_state == 1) {
1022 if (rate == DESC92C_RATEMCS15) {
1023 rtl_write_dword(rtlpriv, REG_DARFRC,
1024 0x00000000);
1025 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
1026 0x05040302);
1027 } else if (rate == DESC92C_RATEMCS14) {
1028 rtl_write_dword(rtlpriv, REG_DARFRC,
1029 0x00000000);
1030 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
1031 0x06050302);
1032 } else if (rate == DESC92C_RATEMCS13) {
1033 rtl_write_dword(rtlpriv, REG_DARFRC,
1034 0x00000000);
1035 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
1036 0x07060502);
1037 } else {
1038 rtl_write_dword(rtlpriv, REG_DARFRC,
1039 0x00000000);
1040 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
1041 0x06050402);
1042 }
1043 } else{ /* collision_state == 0 */
1044 if (rate == DESC92C_RATEMCS15) {
1045 rtl_write_dword(rtlpriv, REG_DARFRC,
1046 0x03020000);
1047 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
1048 0x07060504);
1049 } else if (rate == DESC92C_RATEMCS14) {
1050 rtl_write_dword(rtlpriv, REG_DARFRC,
1051 0x03020000);
1052 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
1053 0x08070605);
1054 } else if (rate == DESC92C_RATEMCS13) {
1055 rtl_write_dword(rtlpriv, REG_DARFRC,
1056 0x05020000);
1057 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
1058 0x09080706);
1059 } else {
1060 rtl_write_dword(rtlpriv, REG_DARFRC,
1061 0x04020000);
1062 rtl_write_dword(rtlpriv, REG_DARFRC + 4,
1063 0x08070605);
1064 }
1065 }
1066 }
1067 }
1068
1069 void rtl92ee_dm_watchdog(struct ieee80211_hw *hw)
1070 {
1071 struct rtl_priv *rtlpriv = rtl_priv(hw);
1072 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1073 bool fw_current_inpsmode = false;
1074 bool fw_ps_awake = true;
1075
1076 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
1077 (u8 *)(&fw_current_inpsmode));
1078 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
1079 (u8 *)(&fw_ps_awake));
1080 if (ppsc->p2p_ps_info.p2p_ps_mode)
1081 fw_ps_awake = false;
1082
1083 spin_lock(&rtlpriv->locks.rf_ps_lock);
1084 if ((ppsc->rfpwr_state == ERFON) &&
1085 ((!fw_current_inpsmode) && fw_ps_awake) &&
1086 (!ppsc->rfchange_inprogress)) {
1087 rtl92ee_dm_common_info_self_update(hw);
1088 rtl92ee_dm_false_alarm_counter_statistics(hw);
1089 rtl92ee_dm_check_rssi_monitor(hw);
1090 rtl92ee_dm_dig(hw);
1091 rtl92ee_dm_adaptivity(hw);
1092 rtl92ee_dm_cck_packet_detection_thresh(hw);
1093 rtl92ee_dm_refresh_rate_adaptive_mask(hw);
1094 rtl92ee_dm_check_edca_turbo(hw);
1095 rtl92ee_dm_dynamic_atc_switch(hw);
1096 rtl92ee_dm_dynamic_primary_cca_ckeck(hw);
1097 }
1098 spin_unlock(&rtlpriv->locks.rf_ps_lock);
1099 }
Linux with added FPC-III support