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 
rtl92ee_dm_false_alarm_counter_statistics(struct ieee80211_hw * hw)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 	rtl_dbg(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 	rtl_dbg(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 
rtl92ee_dm_cck_packet_detection_thresh(struct ieee80211_hw * hw)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 
rtl92ee_dm_dig(struct ieee80211_hw * hw)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 		rtl_dbg(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 
rtl92ee_dm_write_cck_cca_thres(struct ieee80211_hw * hw,u8 cur_thres)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 
rtl92ee_dm_write_dig(struct ieee80211_hw * hw,u8 current_igi)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 
rtl92ee_rssi_dump_to_register(struct ieee80211_hw * hw)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 
rtl92ee_dm_find_minimum_rssi(struct ieee80211_hw * hw)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 		rtl_dbg(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 			rtl_dbg(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 			rtl_dbg(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 		rtl_dbg(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 	rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD,
363 		"MinUndecoratedPWDBForDM =%d\n",
364 		rtl_dm_dig->min_undec_pwdb_for_dm);
365 }
366 
rtl92ee_dm_check_rssi_monitor(struct ieee80211_hw * hw)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 
rtl92ee_dm_init_primary_cca_check(struct ieee80211_hw * hw)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 
rtl92ee_dm_is_edca_turbo_disable(struct ieee80211_hw * hw)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 
rtl92ee_dm_init_edca_turbo(struct ieee80211_hw * hw)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 
rtl92ee_dm_check_edca_turbo(struct ieee80211_hw * hw)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 
rtl92ee_dm_dynamic_edcca(struct ieee80211_hw * hw)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 
rtl92ee_dm_adaptivity(struct ieee80211_hw * hw)548 static void rtl92ee_dm_adaptivity(struct ieee80211_hw *hw)
549 {
550 	rtl92ee_dm_dynamic_edcca(hw);
551 }
552 
rtl92ee_dm_write_dynamic_cca(struct ieee80211_hw * hw,u8 cur_mf_state)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 
rtl92ee_dm_dynamic_primary_cca_ckeck(struct ieee80211_hw * hw)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 
rtl92ee_dm_dynamic_atc_switch(struct ieee80211_hw * hw)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 				rtl_dbg(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) {
722 			rtldm->large_cfo_hit = true;
723 			return;
724 		}
725 		rtldm->large_cfo_hit = false;
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 
rtl92ee_dm_init_txpower_tracking(struct ieee80211_hw * hw)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 
rtl92ee_dm_init_rate_adaptive_mask(struct ieee80211_hw * hw)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 
_rtl92ee_dm_ra_state_check(struct ieee80211_hw * hw,s32 rssi,u8 * ratr_state)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 		rtl_dbg(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 
rtl92ee_dm_refresh_rate_adaptive_mask(struct ieee80211_hw * hw)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 		rtl_dbg(rtlpriv, COMP_RATE, DBG_LOUD,
876 			"driver is going to unload\n");
877 		return;
878 	}
879 
880 	if (!rtlpriv->dm.useramask) {
881 		rtl_dbg(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 
rtl92ee_dm_init_dynamic_atc_switch(struct ieee80211_hw * hw)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 
rtl92ee_dm_init(struct ieee80211_hw * hw)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 
rtl92ee_dm_common_info_self_update(struct ieee80211_hw * hw)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 
rtl92ee_dm_dynamic_arfb_select(struct ieee80211_hw * hw,u8 rate,bool collision_state)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 
rtl92ee_dm_watchdog(struct ieee80211_hw * hw)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 }
1100