1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2012  Realtek Corporation.*/
3 
4 #include <linux/export.h>
5 #include "dm_common.h"
6 #include "phy_common.h"
7 #include "../pci.h"
8 #include "../base.h"
9 #include "../core.h"
10 
11 #define BT_RSSI_STATE_NORMAL_POWER	BIT(0)
12 #define BT_RSSI_STATE_AMDPU_OFF		BIT(1)
13 #define BT_RSSI_STATE_SPECIAL_LOW	BIT(2)
14 #define BT_RSSI_STATE_BG_EDCA_LOW	BIT(3)
15 #define BT_RSSI_STATE_TXPOWER_LOW	BIT(4)
16 #define BT_MASK				0x00ffffff
17 
18 #define RTLPRIV			(struct rtl_priv *)
19 #define GET_UNDECORATED_AVERAGE_RSSI(_priv)	\
20 	((RTLPRIV(_priv))->mac80211.opmode == \
21 			     NL80211_IFTYPE_ADHOC) ?	\
22 	((RTLPRIV(_priv))->dm.entry_min_undec_sm_pwdb) : \
23 	((RTLPRIV(_priv))->dm.undec_sm_pwdb)
24 
25 static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = {
26 	0x7f8001fe,
27 	0x788001e2,
28 	0x71c001c7,
29 	0x6b8001ae,
30 	0x65400195,
31 	0x5fc0017f,
32 	0x5a400169,
33 	0x55400155,
34 	0x50800142,
35 	0x4c000130,
36 	0x47c0011f,
37 	0x43c0010f,
38 	0x40000100,
39 	0x3c8000f2,
40 	0x390000e4,
41 	0x35c000d7,
42 	0x32c000cb,
43 	0x300000c0,
44 	0x2d4000b5,
45 	0x2ac000ab,
46 	0x288000a2,
47 	0x26000098,
48 	0x24000090,
49 	0x22000088,
50 	0x20000080,
51 	0x1e400079,
52 	0x1c800072,
53 	0x1b00006c,
54 	0x19800066,
55 	0x18000060,
56 	0x16c0005b,
57 	0x15800056,
58 	0x14400051,
59 	0x1300004c,
60 	0x12000048,
61 	0x11000044,
62 	0x10000040,
63 };
64 
65 static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = {
66 	{0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04},
67 	{0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04},
68 	{0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03},
69 	{0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03},
70 	{0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03},
71 	{0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03},
72 	{0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03},
73 	{0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03},
74 	{0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02},
75 	{0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02},
76 	{0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02},
77 	{0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02},
78 	{0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02},
79 	{0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02},
80 	{0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02},
81 	{0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02},
82 	{0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01},
83 	{0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02},
84 	{0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01},
85 	{0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
86 	{0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
87 	{0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01},
88 	{0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01},
89 	{0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01},
90 	{0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01},
91 	{0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01},
92 	{0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01},
93 	{0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01},
94 	{0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01},
95 	{0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01},
96 	{0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01},
97 	{0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01},
98 	{0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01}
99 };
100 
101 static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
102 	{0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00},
103 	{0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00},
104 	{0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00},
105 	{0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00},
106 	{0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00},
107 	{0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00},
108 	{0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00},
109 	{0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00},
110 	{0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00},
111 	{0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00},
112 	{0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00},
113 	{0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00},
114 	{0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00},
115 	{0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00},
116 	{0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00},
117 	{0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00},
118 	{0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00},
119 	{0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00},
120 	{0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00},
121 	{0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
122 	{0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
123 	{0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00},
124 	{0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00},
125 	{0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
126 	{0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
127 	{0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00},
128 	{0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
129 	{0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
130 	{0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
131 	{0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
132 	{0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
133 	{0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
134 	{0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}
135 };
136 
137 static u32 power_index_reg[6] = {0xc90, 0xc91, 0xc92, 0xc98, 0xc99, 0xc9a};
138 
dm_restorepowerindex(struct ieee80211_hw * hw)139 void dm_restorepowerindex(struct ieee80211_hw *hw)
140 {
141 	struct rtl_priv *rtlpriv = rtl_priv(hw);
142 	u8	index;
143 
144 	for (index = 0; index < 6; index++)
145 		rtl_write_byte(rtlpriv, power_index_reg[index],
146 			       rtlpriv->dm.powerindex_backup[index]);
147 }
148 EXPORT_SYMBOL_GPL(dm_restorepowerindex);
149 
dm_writepowerindex(struct ieee80211_hw * hw,u8 value)150 void dm_writepowerindex(struct ieee80211_hw *hw, u8 value)
151 {
152 	struct rtl_priv *rtlpriv = rtl_priv(hw);
153 	u8 index;
154 
155 	for (index = 0; index < 6; index++)
156 		rtl_write_byte(rtlpriv, power_index_reg[index], value);
157 }
158 EXPORT_SYMBOL_GPL(dm_writepowerindex);
159 
dm_savepowerindex(struct ieee80211_hw * hw)160 void dm_savepowerindex(struct ieee80211_hw *hw)
161 {
162 	struct rtl_priv *rtlpriv = rtl_priv(hw);
163 	u8 index;
164 	u8 tmp;
165 
166 	for (index = 0; index < 6; index++) {
167 		tmp = rtl_read_byte(rtlpriv, power_index_reg[index]);
168 		rtlpriv->dm.powerindex_backup[index] = tmp;
169 	}
170 }
171 EXPORT_SYMBOL_GPL(dm_savepowerindex);
172 
rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw * hw)173 static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw)
174 {
175 	struct rtl_priv *rtlpriv = rtl_priv(hw);
176 	struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
177 	long rssi_val_min = 0;
178 
179 	if ((dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) &&
180 	    (dm_digtable->cursta_cstate == DIG_STA_CONNECT)) {
181 		if (rtlpriv->dm.entry_min_undec_sm_pwdb != 0)
182 			rssi_val_min =
183 			    (rtlpriv->dm.entry_min_undec_sm_pwdb >
184 			     rtlpriv->dm.undec_sm_pwdb) ?
185 			    rtlpriv->dm.undec_sm_pwdb :
186 			    rtlpriv->dm.entry_min_undec_sm_pwdb;
187 		else
188 			rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
189 	} else if (dm_digtable->cursta_cstate == DIG_STA_CONNECT ||
190 		   dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT) {
191 		rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
192 	} else if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) {
193 		rssi_val_min = rtlpriv->dm.entry_min_undec_sm_pwdb;
194 	}
195 
196 	if (rssi_val_min > 100)
197 		rssi_val_min = 100;
198 	return (u8)rssi_val_min;
199 }
200 
rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw * hw)201 static void rtl92c_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 
217 	ret_value = rtl_get_bbreg(hw, ROFDM0_FRAMESYNC, MASKDWORD);
218 	falsealm_cnt->cnt_fast_fsync_fail = (ret_value & 0xffff);
219 	falsealm_cnt->cnt_sb_search_fail = ((ret_value & 0xffff0000) >> 16);
220 
221 	falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
222 				      falsealm_cnt->cnt_rate_illegal +
223 				      falsealm_cnt->cnt_crc8_fail +
224 				      falsealm_cnt->cnt_mcs_fail +
225 				      falsealm_cnt->cnt_fast_fsync_fail +
226 				      falsealm_cnt->cnt_sb_search_fail;
227 
228 	rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1);
229 	ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0);
230 	falsealm_cnt->cnt_cck_fail = ret_value;
231 
232 	ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERUPPER, MASKBYTE3);
233 	falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;
234 	falsealm_cnt->cnt_all = (falsealm_cnt->cnt_parity_fail +
235 				 falsealm_cnt->cnt_rate_illegal +
236 				 falsealm_cnt->cnt_crc8_fail +
237 				 falsealm_cnt->cnt_mcs_fail +
238 				 falsealm_cnt->cnt_cck_fail);
239 
240 	rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 1);
241 	rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 0);
242 	rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 0);
243 	rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 2);
244 
245 	rtl_dbg(rtlpriv, COMP_DIG, DBG_TRACE,
246 		"cnt_parity_fail = %d, cnt_rate_illegal = %d, cnt_crc8_fail = %d, cnt_mcs_fail = %d\n",
247 		falsealm_cnt->cnt_parity_fail,
248 		falsealm_cnt->cnt_rate_illegal,
249 		falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail);
250 
251 	rtl_dbg(rtlpriv, COMP_DIG, DBG_TRACE,
252 		"cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n",
253 		falsealm_cnt->cnt_ofdm_fail,
254 		falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all);
255 }
256 
rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw * hw)257 static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw)
258 {
259 	struct rtl_priv *rtlpriv = rtl_priv(hw);
260 	struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
261 	u8 value_igi = dm_digtable->cur_igvalue;
262 
263 	if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
264 		value_igi--;
265 	else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
266 		value_igi += 0;
267 	else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH2)
268 		value_igi++;
269 	else if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2)
270 		value_igi += 2;
271 
272 	if (value_igi > DM_DIG_FA_UPPER)
273 		value_igi = DM_DIG_FA_UPPER;
274 	else if (value_igi < DM_DIG_FA_LOWER)
275 		value_igi = DM_DIG_FA_LOWER;
276 
277 	if (rtlpriv->falsealm_cnt.cnt_all > 10000)
278 		value_igi = DM_DIG_FA_UPPER;
279 
280 	dm_digtable->cur_igvalue = value_igi;
281 	rtl92c_dm_write_dig(hw);
282 }
283 
rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw * hw)284 static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw)
285 {
286 	struct rtl_priv *rtlpriv = rtl_priv(hw);
287 	struct dig_t *digtable = &rtlpriv->dm_digtable;
288 	u32 isbt;
289 
290 	/* modify DIG lower bound, deal with abnormally large false alarm */
291 	if (rtlpriv->falsealm_cnt.cnt_all > 10000) {
292 		digtable->large_fa_hit++;
293 		if (digtable->forbidden_igi < digtable->cur_igvalue) {
294 			digtable->forbidden_igi = digtable->cur_igvalue;
295 			digtable->large_fa_hit = 1;
296 		}
297 
298 		if (digtable->large_fa_hit >= 3) {
299 			if ((digtable->forbidden_igi + 1) >
300 			    digtable->rx_gain_max)
301 				digtable->rx_gain_min = digtable->rx_gain_max;
302 			else
303 				digtable->rx_gain_min = (digtable->forbidden_igi + 1);
304 			digtable->recover_cnt = 3600; /* 3600=2hr */
305 		}
306 	} else {
307 		/* Recovery mechanism for IGI lower bound */
308 		if (digtable->recover_cnt != 0) {
309 			digtable->recover_cnt--;
310 		} else {
311 			if (digtable->large_fa_hit == 0) {
312 				if ((digtable->forbidden_igi-1) < DM_DIG_MIN) {
313 					digtable->forbidden_igi = DM_DIG_MIN;
314 					digtable->rx_gain_min = DM_DIG_MIN;
315 				} else {
316 					digtable->forbidden_igi--;
317 					digtable->rx_gain_min = digtable->forbidden_igi + 1;
318 				}
319 			} else if (digtable->large_fa_hit == 3) {
320 				digtable->large_fa_hit = 0;
321 			}
322 		}
323 	}
324 	if (rtlpriv->falsealm_cnt.cnt_all < 250) {
325 		isbt = rtl_read_byte(rtlpriv, 0x4fd) & 0x01;
326 
327 		if (!isbt) {
328 			if (rtlpriv->falsealm_cnt.cnt_all >
329 			    digtable->fa_lowthresh) {
330 				if ((digtable->back_val - 2) <
331 				   digtable->back_range_min)
332 					digtable->back_val = digtable->back_range_min;
333 				else
334 					digtable->back_val -= 2;
335 			} else if (rtlpriv->falsealm_cnt.cnt_all <
336 				   digtable->fa_lowthresh) {
337 				if ((digtable->back_val + 2) >
338 				    digtable->back_range_max)
339 					digtable->back_val = digtable->back_range_max;
340 				else
341 					digtable->back_val += 2;
342 			}
343 		} else {
344 			digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
345 		}
346 	} else {
347 		/* Adjust initial gain by false alarm */
348 		if (rtlpriv->falsealm_cnt.cnt_all > 1000)
349 			digtable->cur_igvalue = digtable->pre_igvalue + 2;
350 		else if (rtlpriv->falsealm_cnt.cnt_all > 750)
351 			digtable->cur_igvalue = digtable->pre_igvalue + 1;
352 		else if (rtlpriv->falsealm_cnt.cnt_all < 500)
353 			digtable->cur_igvalue = digtable->pre_igvalue - 1;
354 	}
355 
356 	/* Check initial gain by upper/lower bound */
357 	if (digtable->cur_igvalue > digtable->rx_gain_max)
358 		digtable->cur_igvalue = digtable->rx_gain_max;
359 
360 	if (digtable->cur_igvalue < digtable->rx_gain_min)
361 		digtable->cur_igvalue = digtable->rx_gain_min;
362 
363 	rtl92c_dm_write_dig(hw);
364 }
365 
rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw * hw)366 static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
367 {
368 	static u8 initialized; /* initialized to false */
369 	struct rtl_priv *rtlpriv = rtl_priv(hw);
370 	struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
371 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
372 	long rssi_strength = rtlpriv->dm.entry_min_undec_sm_pwdb;
373 	bool multi_sta = false;
374 
375 	if (mac->opmode == NL80211_IFTYPE_ADHOC)
376 		multi_sta = true;
377 
378 	if (!multi_sta ||
379 	    dm_digtable->cursta_cstate == DIG_STA_DISCONNECT) {
380 		initialized = false;
381 		dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
382 		return;
383 	} else if (!initialized) {
384 		initialized = true;
385 		dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
386 		dm_digtable->cur_igvalue = 0x20;
387 		rtl92c_dm_write_dig(hw);
388 	}
389 
390 	if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) {
391 		if ((rssi_strength < dm_digtable->rssi_lowthresh) &&
392 		    (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) {
393 
394 			if (dm_digtable->dig_ext_port_stage ==
395 			    DIG_EXT_PORT_STAGE_2) {
396 				dm_digtable->cur_igvalue = 0x20;
397 				rtl92c_dm_write_dig(hw);
398 			}
399 
400 			dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_1;
401 		} else if (rssi_strength > dm_digtable->rssi_highthresh) {
402 			dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_2;
403 			rtl92c_dm_ctrl_initgain_by_fa(hw);
404 		}
405 	} else if (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) {
406 		dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
407 		dm_digtable->cur_igvalue = 0x20;
408 		rtl92c_dm_write_dig(hw);
409 	}
410 
411 	rtl_dbg(rtlpriv, COMP_DIG, DBG_TRACE,
412 		"curmultista_cstate = %x dig_ext_port_stage %x\n",
413 		dm_digtable->curmultista_cstate,
414 		dm_digtable->dig_ext_port_stage);
415 }
416 
rtl92c_dm_initial_gain_sta(struct ieee80211_hw * hw)417 static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw)
418 {
419 	struct rtl_priv *rtlpriv = rtl_priv(hw);
420 	struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
421 
422 	rtl_dbg(rtlpriv, COMP_DIG, DBG_TRACE,
423 		"presta_cstate = %x, cursta_cstate = %x\n",
424 		dm_digtable->presta_cstate, dm_digtable->cursta_cstate);
425 	if (dm_digtable->presta_cstate == dm_digtable->cursta_cstate ||
426 	    dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT ||
427 	    dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
428 		if (dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) {
429 			dm_digtable->rssi_val_min =
430 			    rtl92c_dm_initial_gain_min_pwdb(hw);
431 			if (dm_digtable->rssi_val_min > 100)
432 				dm_digtable->rssi_val_min = 100;
433 			rtl92c_dm_ctrl_initgain_by_rssi(hw);
434 		}
435 	} else {
436 		dm_digtable->rssi_val_min = 0;
437 		dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
438 		dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
439 		dm_digtable->cur_igvalue = 0x20;
440 		dm_digtable->pre_igvalue = 0;
441 		rtl92c_dm_write_dig(hw);
442 	}
443 }
444 
rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw * hw)445 static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
446 {
447 	struct rtl_priv *rtlpriv = rtl_priv(hw);
448 	struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
449 
450 	if (dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
451 		dm_digtable->rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw);
452 		if (dm_digtable->rssi_val_min > 100)
453 			dm_digtable->rssi_val_min = 100;
454 
455 		if (dm_digtable->pre_cck_pd_state == CCK_PD_STAGE_LOWRSSI) {
456 			if (dm_digtable->rssi_val_min <= 25)
457 				dm_digtable->cur_cck_pd_state =
458 				    CCK_PD_STAGE_LOWRSSI;
459 			else
460 				dm_digtable->cur_cck_pd_state =
461 				    CCK_PD_STAGE_HIGHRSSI;
462 		} else {
463 			if (dm_digtable->rssi_val_min <= 20)
464 				dm_digtable->cur_cck_pd_state =
465 				    CCK_PD_STAGE_LOWRSSI;
466 			else
467 				dm_digtable->cur_cck_pd_state =
468 				    CCK_PD_STAGE_HIGHRSSI;
469 		}
470 	} else {
471 		dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX;
472 	}
473 
474 	if (dm_digtable->pre_cck_pd_state != dm_digtable->cur_cck_pd_state) {
475 		if ((dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_LOWRSSI) ||
476 		    (dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_MAX))
477 			rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0x83);
478 		else
479 			rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
480 
481 		dm_digtable->pre_cck_pd_state = dm_digtable->cur_cck_pd_state;
482 	}
483 }
484 
rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw * hw)485 static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
486 {
487 	struct rtl_priv *rtlpriv = rtl_priv(hw);
488 	struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
489 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
490 
491 	if (mac->act_scanning)
492 		return;
493 
494 	if (mac->link_state >= MAC80211_LINKED)
495 		dm_digtable->cursta_cstate = DIG_STA_CONNECT;
496 	else
497 		dm_digtable->cursta_cstate = DIG_STA_DISCONNECT;
498 
499 	dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
500 
501 	rtl92c_dm_initial_gain_sta(hw);
502 	rtl92c_dm_initial_gain_multi_sta(hw);
503 	rtl92c_dm_cck_packet_detection_thresh(hw);
504 
505 	dm_digtable->presta_cstate = dm_digtable->cursta_cstate;
506 }
507 
rtl92c_dm_dig(struct ieee80211_hw * hw)508 static void rtl92c_dm_dig(struct ieee80211_hw *hw)
509 {
510 	struct rtl_priv *rtlpriv = rtl_priv(hw);
511 
512 	if (!rtlpriv->dm.dm_initialgain_enable)
513 		return;
514 	if (!(rtlpriv->dm.dm_flag & DYNAMIC_FUNC_DIG))
515 		return;
516 
517 	rtl92c_dm_ctrl_initgain_by_twoport(hw);
518 }
519 
rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw * hw)520 static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
521 {
522 	struct rtl_priv *rtlpriv = rtl_priv(hw);
523 
524 	if (rtlpriv->rtlhal.interface == INTF_USB &&
525 	    rtlpriv->rtlhal.board_type & 0x1) {
526 		dm_savepowerindex(hw);
527 		rtlpriv->dm.dynamic_txpower_enable = true;
528 	} else {
529 		rtlpriv->dm.dynamic_txpower_enable = false;
530 	}
531 	rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
532 	rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
533 }
534 
rtl92c_dm_write_dig(struct ieee80211_hw * hw)535 void rtl92c_dm_write_dig(struct ieee80211_hw *hw)
536 {
537 	struct rtl_priv *rtlpriv = rtl_priv(hw);
538 	struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
539 
540 	rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD,
541 		"cur_igvalue = 0x%x, pre_igvalue = 0x%x, back_val = %d\n",
542 		dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
543 		dm_digtable->back_val);
544 
545 	if (rtlpriv->rtlhal.interface == INTF_USB &&
546 	    !dm_digtable->dig_enable_flag) {
547 		dm_digtable->pre_igvalue = 0x17;
548 		return;
549 	}
550 	dm_digtable->cur_igvalue -= 1;
551 	if (dm_digtable->cur_igvalue < DM_DIG_MIN)
552 		dm_digtable->cur_igvalue = DM_DIG_MIN;
553 
554 	if (dm_digtable->pre_igvalue != dm_digtable->cur_igvalue) {
555 		rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
556 			      dm_digtable->cur_igvalue);
557 		rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f,
558 			      dm_digtable->cur_igvalue);
559 
560 		dm_digtable->pre_igvalue = dm_digtable->cur_igvalue;
561 	}
562 	rtl_dbg(rtlpriv, COMP_DIG, DBG_WARNING,
563 		"dig values 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
564 		dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
565 		dm_digtable->rssi_val_min, dm_digtable->back_val,
566 		dm_digtable->rx_gain_max, dm_digtable->rx_gain_min,
567 		dm_digtable->large_fa_hit, dm_digtable->forbidden_igi);
568 }
569 EXPORT_SYMBOL(rtl92c_dm_write_dig);
570 
rtl92c_dm_pwdb_monitor(struct ieee80211_hw * hw)571 static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw)
572 {
573 	struct rtl_priv *rtlpriv = rtl_priv(hw);
574 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
575 	long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff;
576 
577 	if (mac->link_state != MAC80211_LINKED)
578 		return;
579 
580 	if (mac->opmode == NL80211_IFTYPE_ADHOC ||
581 	    mac->opmode == NL80211_IFTYPE_AP) {
582 		/* TODO: Handle ADHOC and AP Mode */
583 	}
584 
585 	if (tmpentry_max_pwdb != 0)
586 		rtlpriv->dm.entry_max_undec_sm_pwdb = tmpentry_max_pwdb;
587 	else
588 		rtlpriv->dm.entry_max_undec_sm_pwdb = 0;
589 
590 	if (tmpentry_min_pwdb != 0xff)
591 		rtlpriv->dm.entry_min_undec_sm_pwdb = tmpentry_min_pwdb;
592 	else
593 		rtlpriv->dm.entry_min_undec_sm_pwdb = 0;
594 
595 /* TODO:
596  *	if (mac->opmode == NL80211_IFTYPE_STATION) {
597  *		if (rtlpriv->rtlhal.fw_ready) {
598  *			u32 param = (u32)(rtlpriv->dm.undec_sm_pwdb << 16);
599  *			rtl8192c_set_rssi_cmd(hw, param);
600  *		}
601  *	}
602  */
603 }
604 
rtl92c_dm_init_edca_turbo(struct ieee80211_hw * hw)605 void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw)
606 {
607 	struct rtl_priv *rtlpriv = rtl_priv(hw);
608 
609 	rtlpriv->dm.current_turbo_edca = false;
610 	rtlpriv->dm.is_any_nonbepkts = false;
611 	rtlpriv->dm.is_cur_rdlstate = false;
612 }
613 EXPORT_SYMBOL(rtl92c_dm_init_edca_turbo);
614 
rtl92c_dm_check_edca_turbo(struct ieee80211_hw * hw)615 static void rtl92c_dm_check_edca_turbo(struct ieee80211_hw *hw)
616 {
617 	struct rtl_priv *rtlpriv = rtl_priv(hw);
618 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
619 
620 	static u64 last_txok_cnt;
621 	static u64 last_rxok_cnt;
622 	static u32 last_bt_edca_ul;
623 	static u32 last_bt_edca_dl;
624 	u64 cur_txok_cnt = 0;
625 	u64 cur_rxok_cnt = 0;
626 	u32 edca_be_ul = 0x5ea42b;
627 	u32 edca_be_dl = 0x5ea42b;
628 	bool bt_change_edca = false;
629 
630 	if ((last_bt_edca_ul != rtlpriv->btcoexist.bt_edca_ul) ||
631 	    (last_bt_edca_dl != rtlpriv->btcoexist.bt_edca_dl)) {
632 		rtlpriv->dm.current_turbo_edca = false;
633 		last_bt_edca_ul = rtlpriv->btcoexist.bt_edca_ul;
634 		last_bt_edca_dl = rtlpriv->btcoexist.bt_edca_dl;
635 	}
636 
637 	if (rtlpriv->btcoexist.bt_edca_ul != 0) {
638 		edca_be_ul = rtlpriv->btcoexist.bt_edca_ul;
639 		bt_change_edca = true;
640 	}
641 
642 	if (rtlpriv->btcoexist.bt_edca_dl != 0) {
643 		edca_be_dl = rtlpriv->btcoexist.bt_edca_dl;
644 		bt_change_edca = true;
645 	}
646 
647 	if (mac->link_state != MAC80211_LINKED) {
648 		rtlpriv->dm.current_turbo_edca = false;
649 		return;
650 	}
651 
652 	if ((!mac->ht_enable) && (!rtlpriv->btcoexist.bt_coexistence)) {
653 		if (!(edca_be_ul & 0xffff0000))
654 			edca_be_ul |= 0x005e0000;
655 
656 		if (!(edca_be_dl & 0xffff0000))
657 			edca_be_dl |= 0x005e0000;
658 	}
659 
660 	if ((bt_change_edca) || ((!rtlpriv->dm.is_any_nonbepkts) &&
661 	     (!rtlpriv->dm.disable_framebursting))) {
662 		cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
663 		cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
664 
665 		if (cur_rxok_cnt > 4 * cur_txok_cnt) {
666 			if (!rtlpriv->dm.is_cur_rdlstate ||
667 			    !rtlpriv->dm.current_turbo_edca) {
668 				rtl_write_dword(rtlpriv,
669 						REG_EDCA_BE_PARAM,
670 						edca_be_dl);
671 				rtlpriv->dm.is_cur_rdlstate = true;
672 			}
673 		} else {
674 			if (rtlpriv->dm.is_cur_rdlstate ||
675 			    !rtlpriv->dm.current_turbo_edca) {
676 				rtl_write_dword(rtlpriv,
677 						REG_EDCA_BE_PARAM,
678 						edca_be_ul);
679 				rtlpriv->dm.is_cur_rdlstate = false;
680 			}
681 		}
682 		rtlpriv->dm.current_turbo_edca = true;
683 	} else {
684 		if (rtlpriv->dm.current_turbo_edca) {
685 			u8 tmp = AC0_BE;
686 
687 			rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
688 						      &tmp);
689 			rtlpriv->dm.current_turbo_edca = false;
690 		}
691 	}
692 
693 	rtlpriv->dm.is_any_nonbepkts = false;
694 	last_txok_cnt = rtlpriv->stats.txbytesunicast;
695 	last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
696 }
697 
rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw * hw)698 static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw
699 							     *hw)
700 {
701 	struct rtl_priv *rtlpriv = rtl_priv(hw);
702 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
703 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
704 	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
705 	u8 thermalvalue, delta, delta_lck, delta_iqk;
706 	long ele_a, ele_d, temp_cck, val_x, value32;
707 	long val_y, ele_c = 0;
708 	u8 ofdm_index[2], ofdm_index_old[2] = {0, 0}, cck_index_old = 0;
709 	s8 cck_index = 0;
710 	int i;
711 	bool is2t = IS_92C_SERIAL(rtlhal->version);
712 	s8 txpwr_level[3] = {0, 0, 0};
713 	u8 ofdm_min_index = 6, rf;
714 
715 	rtlpriv->dm.txpower_trackinginit = true;
716 	rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
717 		"%s\n", __func__);
718 
719 	thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
720 
721 	rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
722 		"Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x\n",
723 		thermalvalue, rtlpriv->dm.thermalvalue,
724 		rtlefuse->eeprom_thermalmeter);
725 
726 	rtl92c_phy_ap_calibrate(hw, (thermalvalue -
727 				     rtlefuse->eeprom_thermalmeter));
728 	if (is2t)
729 		rf = 2;
730 	else
731 		rf = 1;
732 
733 	if (thermalvalue) {
734 		ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
735 				      MASKDWORD) & MASKOFDM_D;
736 
737 		for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
738 			if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
739 				ofdm_index_old[0] = (u8) i;
740 
741 				rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
742 					"Initial pathA ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
743 					ROFDM0_XATXIQIMBALANCE,
744 					ele_d, ofdm_index_old[0]);
745 				break;
746 			}
747 		}
748 
749 		if (is2t) {
750 			ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
751 					      MASKDWORD) & MASKOFDM_D;
752 
753 			for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
754 				if (ele_d == (ofdmswing_table[i] &
755 				    MASKOFDM_D)) {
756 					ofdm_index_old[1] = (u8) i;
757 					rtl_dbg(rtlpriv, COMP_POWER_TRACKING,
758 						DBG_LOUD,
759 						"Initial pathB ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
760 						ROFDM0_XBTXIQIMBALANCE, ele_d,
761 						ofdm_index_old[1]);
762 					break;
763 				}
764 			}
765 		}
766 
767 		temp_cck =
768 		    rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK;
769 
770 		for (i = 0; i < CCK_TABLE_LENGTH; i++) {
771 			if (rtlpriv->dm.cck_inch14) {
772 				if (memcmp((void *)&temp_cck,
773 					   (void *)&cckswing_table_ch14[i][2],
774 					   4) == 0) {
775 					cck_index_old = (u8) i;
776 
777 					rtl_dbg(rtlpriv, COMP_POWER_TRACKING,
778 						DBG_LOUD,
779 						"Initial reg0x%x = 0x%lx, cck_index=0x%x, ch 14 %d\n",
780 						RCCK0_TXFILTER2, temp_cck,
781 						cck_index_old,
782 						rtlpriv->dm.cck_inch14);
783 					break;
784 				}
785 			} else {
786 				if (memcmp((void *)&temp_cck,
787 					   (void *)
788 					   &cckswing_table_ch1ch13[i][2],
789 					   4) == 0) {
790 					cck_index_old = (u8) i;
791 
792 					rtl_dbg(rtlpriv, COMP_POWER_TRACKING,
793 						DBG_LOUD,
794 						"Initial reg0x%x = 0x%lx, cck_index=0x%x, ch14 %d\n",
795 						RCCK0_TXFILTER2, temp_cck,
796 						cck_index_old,
797 						rtlpriv->dm.cck_inch14);
798 					break;
799 				}
800 			}
801 		}
802 
803 		if (!rtlpriv->dm.thermalvalue) {
804 			rtlpriv->dm.thermalvalue =
805 			    rtlefuse->eeprom_thermalmeter;
806 			rtlpriv->dm.thermalvalue_lck = thermalvalue;
807 			rtlpriv->dm.thermalvalue_iqk = thermalvalue;
808 			for (i = 0; i < rf; i++)
809 				rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
810 			rtlpriv->dm.cck_index = cck_index_old;
811 		}
812 		/* Handle USB High PA boards */
813 
814 		delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
815 		    (thermalvalue - rtlpriv->dm.thermalvalue) :
816 		    (rtlpriv->dm.thermalvalue - thermalvalue);
817 
818 		delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ?
819 		    (thermalvalue - rtlpriv->dm.thermalvalue_lck) :
820 		    (rtlpriv->dm.thermalvalue_lck - thermalvalue);
821 
822 		delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ?
823 		    (thermalvalue - rtlpriv->dm.thermalvalue_iqk) :
824 		    (rtlpriv->dm.thermalvalue_iqk - thermalvalue);
825 
826 		rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
827 			"Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x delta 0x%x delta_lck 0x%x delta_iqk 0x%x\n",
828 			thermalvalue, rtlpriv->dm.thermalvalue,
829 			rtlefuse->eeprom_thermalmeter, delta, delta_lck,
830 			delta_iqk);
831 
832 		if (delta_lck > 1) {
833 			rtlpriv->dm.thermalvalue_lck = thermalvalue;
834 			rtl92c_phy_lc_calibrate(hw);
835 		}
836 
837 		if (delta > 0 && rtlpriv->dm.txpower_track_control) {
838 			if (thermalvalue > rtlpriv->dm.thermalvalue) {
839 				for (i = 0; i < rf; i++)
840 					rtlpriv->dm.ofdm_index[i] -= delta;
841 				rtlpriv->dm.cck_index -= delta;
842 			} else {
843 				for (i = 0; i < rf; i++)
844 					rtlpriv->dm.ofdm_index[i] += delta;
845 				rtlpriv->dm.cck_index += delta;
846 			}
847 
848 			if (is2t) {
849 				rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
850 					"temp OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
851 					rtlpriv->dm.ofdm_index[0],
852 					rtlpriv->dm.ofdm_index[1],
853 					rtlpriv->dm.cck_index);
854 			} else {
855 				rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
856 					"temp OFDM_A_index=0x%x, cck_index=0x%x\n",
857 					rtlpriv->dm.ofdm_index[0],
858 					rtlpriv->dm.cck_index);
859 			}
860 
861 			if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
862 				for (i = 0; i < rf; i++)
863 					ofdm_index[i] =
864 					    rtlpriv->dm.ofdm_index[i]
865 					    + 1;
866 				cck_index = rtlpriv->dm.cck_index + 1;
867 			} else {
868 				for (i = 0; i < rf; i++)
869 					ofdm_index[i] =
870 					    rtlpriv->dm.ofdm_index[i];
871 				cck_index = rtlpriv->dm.cck_index;
872 			}
873 
874 			for (i = 0; i < rf; i++) {
875 				if (txpwr_level[i] >= 0 &&
876 				    txpwr_level[i] <= 26) {
877 					if (thermalvalue >
878 					    rtlefuse->eeprom_thermalmeter) {
879 						if (delta < 5)
880 							ofdm_index[i] -= 1;
881 
882 						else
883 							ofdm_index[i] -= 2;
884 					} else if (delta > 5 && thermalvalue <
885 						   rtlefuse->
886 						   eeprom_thermalmeter) {
887 						ofdm_index[i] += 1;
888 					}
889 				} else if (txpwr_level[i] >= 27 &&
890 					   txpwr_level[i] <= 32
891 					   && thermalvalue >
892 					   rtlefuse->eeprom_thermalmeter) {
893 					if (delta < 5)
894 						ofdm_index[i] -= 1;
895 
896 					else
897 						ofdm_index[i] -= 2;
898 				} else if (txpwr_level[i] >= 32 &&
899 					   txpwr_level[i] <= 38 &&
900 					   thermalvalue >
901 					   rtlefuse->eeprom_thermalmeter
902 					   && delta > 5) {
903 					ofdm_index[i] -= 1;
904 				}
905 			}
906 
907 			if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) {
908 				if (thermalvalue >
909 				    rtlefuse->eeprom_thermalmeter) {
910 					if (delta < 5)
911 						cck_index -= 1;
912 
913 					else
914 						cck_index -= 2;
915 				} else if (delta > 5 && thermalvalue <
916 					   rtlefuse->eeprom_thermalmeter) {
917 					cck_index += 1;
918 				}
919 			} else if (txpwr_level[i] >= 27 &&
920 				   txpwr_level[i] <= 32 &&
921 				   thermalvalue >
922 				   rtlefuse->eeprom_thermalmeter) {
923 				if (delta < 5)
924 					cck_index -= 1;
925 
926 				else
927 					cck_index -= 2;
928 			} else if (txpwr_level[i] >= 32 &&
929 				   txpwr_level[i] <= 38 &&
930 				   thermalvalue > rtlefuse->eeprom_thermalmeter
931 				   && delta > 5) {
932 				cck_index -= 1;
933 			}
934 
935 			for (i = 0; i < rf; i++) {
936 				if (ofdm_index[i] > OFDM_TABLE_SIZE - 1)
937 					ofdm_index[i] = OFDM_TABLE_SIZE - 1;
938 
939 				else if (ofdm_index[i] < ofdm_min_index)
940 					ofdm_index[i] = ofdm_min_index;
941 			}
942 
943 			if (cck_index > CCK_TABLE_SIZE - 1)
944 				cck_index = CCK_TABLE_SIZE - 1;
945 			else if (cck_index < 0)
946 				cck_index = 0;
947 
948 			if (is2t) {
949 				rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
950 					"new OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
951 					ofdm_index[0], ofdm_index[1],
952 					cck_index);
953 			} else {
954 				rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
955 					"new OFDM_A_index=0x%x, cck_index=0x%x\n",
956 					ofdm_index[0], cck_index);
957 			}
958 		}
959 
960 		if (rtlpriv->dm.txpower_track_control && delta != 0) {
961 			ele_d =
962 			    (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
963 			val_x = rtlphy->reg_e94;
964 			val_y = rtlphy->reg_e9c;
965 
966 			if (val_x != 0) {
967 				if ((val_x & 0x00000200) != 0)
968 					val_x = val_x | 0xFFFFFC00;
969 				ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
970 
971 				if ((val_y & 0x00000200) != 0)
972 					val_y = val_y | 0xFFFFFC00;
973 				ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;
974 
975 				value32 = (ele_d << 22) |
976 				    ((ele_c & 0x3F) << 16) | ele_a;
977 
978 				rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
979 					      MASKDWORD, value32);
980 
981 				value32 = (ele_c & 0x000003C0) >> 6;
982 				rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
983 					      value32);
984 
985 				value32 = ((val_x * ele_d) >> 7) & 0x01;
986 				rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
987 					      BIT(31), value32);
988 
989 				value32 = ((val_y * ele_d) >> 7) & 0x01;
990 				rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
991 					      BIT(29), value32);
992 			} else {
993 				rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
994 					      MASKDWORD,
995 					      ofdmswing_table[ofdm_index[0]]);
996 
997 				rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
998 					      0x00);
999 				rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1000 					      BIT(31) | BIT(29), 0x00);
1001 			}
1002 
1003 			if (!rtlpriv->dm.cck_inch14) {
1004 				rtl_write_byte(rtlpriv, 0xa22,
1005 					       cckswing_table_ch1ch13[cck_index]
1006 					       [0]);
1007 				rtl_write_byte(rtlpriv, 0xa23,
1008 					       cckswing_table_ch1ch13[cck_index]
1009 					       [1]);
1010 				rtl_write_byte(rtlpriv, 0xa24,
1011 					       cckswing_table_ch1ch13[cck_index]
1012 					       [2]);
1013 				rtl_write_byte(rtlpriv, 0xa25,
1014 					       cckswing_table_ch1ch13[cck_index]
1015 					       [3]);
1016 				rtl_write_byte(rtlpriv, 0xa26,
1017 					       cckswing_table_ch1ch13[cck_index]
1018 					       [4]);
1019 				rtl_write_byte(rtlpriv, 0xa27,
1020 					       cckswing_table_ch1ch13[cck_index]
1021 					       [5]);
1022 				rtl_write_byte(rtlpriv, 0xa28,
1023 					       cckswing_table_ch1ch13[cck_index]
1024 					       [6]);
1025 				rtl_write_byte(rtlpriv, 0xa29,
1026 					       cckswing_table_ch1ch13[cck_index]
1027 					       [7]);
1028 			} else {
1029 				rtl_write_byte(rtlpriv, 0xa22,
1030 					       cckswing_table_ch14[cck_index]
1031 					       [0]);
1032 				rtl_write_byte(rtlpriv, 0xa23,
1033 					       cckswing_table_ch14[cck_index]
1034 					       [1]);
1035 				rtl_write_byte(rtlpriv, 0xa24,
1036 					       cckswing_table_ch14[cck_index]
1037 					       [2]);
1038 				rtl_write_byte(rtlpriv, 0xa25,
1039 					       cckswing_table_ch14[cck_index]
1040 					       [3]);
1041 				rtl_write_byte(rtlpriv, 0xa26,
1042 					       cckswing_table_ch14[cck_index]
1043 					       [4]);
1044 				rtl_write_byte(rtlpriv, 0xa27,
1045 					       cckswing_table_ch14[cck_index]
1046 					       [5]);
1047 				rtl_write_byte(rtlpriv, 0xa28,
1048 					       cckswing_table_ch14[cck_index]
1049 					       [6]);
1050 				rtl_write_byte(rtlpriv, 0xa29,
1051 					       cckswing_table_ch14[cck_index]
1052 					       [7]);
1053 			}
1054 
1055 			if (is2t) {
1056 				ele_d = (ofdmswing_table[ofdm_index[1]] &
1057 					 0xFFC00000) >> 22;
1058 
1059 				val_x = rtlphy->reg_eb4;
1060 				val_y = rtlphy->reg_ebc;
1061 
1062 				if (val_x != 0) {
1063 					if ((val_x & 0x00000200) != 0)
1064 						val_x = val_x | 0xFFFFFC00;
1065 					ele_a = ((val_x * ele_d) >> 8) &
1066 					    0x000003FF;
1067 
1068 					if ((val_y & 0x00000200) != 0)
1069 						val_y = val_y | 0xFFFFFC00;
1070 					ele_c = ((val_y * ele_d) >> 8) &
1071 					    0x00003FF;
1072 
1073 					value32 = (ele_d << 22) |
1074 					    ((ele_c & 0x3F) << 16) | ele_a;
1075 					rtl_set_bbreg(hw,
1076 						      ROFDM0_XBTXIQIMBALANCE,
1077 						      MASKDWORD, value32);
1078 
1079 					value32 = (ele_c & 0x000003C0) >> 6;
1080 					rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
1081 						      MASKH4BITS, value32);
1082 
1083 					value32 = ((val_x * ele_d) >> 7) & 0x01;
1084 					rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1085 						      BIT(27), value32);
1086 
1087 					value32 = ((val_y * ele_d) >> 7) & 0x01;
1088 					rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1089 						      BIT(25), value32);
1090 				} else {
1091 					rtl_set_bbreg(hw,
1092 						      ROFDM0_XBTXIQIMBALANCE,
1093 						      MASKDWORD,
1094 						      ofdmswing_table[ofdm_index
1095 								      [1]]);
1096 					rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
1097 						      MASKH4BITS, 0x00);
1098 					rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1099 						      BIT(27) | BIT(25), 0x00);
1100 				}
1101 
1102 			}
1103 		}
1104 
1105 		if (delta_iqk > 3) {
1106 			rtlpriv->dm.thermalvalue_iqk = thermalvalue;
1107 			rtl92c_phy_iq_calibrate(hw, false);
1108 		}
1109 
1110 		if (rtlpriv->dm.txpower_track_control)
1111 			rtlpriv->dm.thermalvalue = thermalvalue;
1112 	}
1113 
1114 	rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===\n");
1115 
1116 }
1117 
rtl92c_dm_initialize_txpower_tracking_thermalmeter(struct ieee80211_hw * hw)1118 static void rtl92c_dm_initialize_txpower_tracking_thermalmeter(
1119 						struct ieee80211_hw *hw)
1120 {
1121 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1122 
1123 	rtlpriv->dm.txpower_tracking = true;
1124 	rtlpriv->dm.txpower_trackinginit = false;
1125 
1126 	rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
1127 		"pMgntInfo->txpower_tracking = %d\n",
1128 		rtlpriv->dm.txpower_tracking);
1129 }
1130 
rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw * hw)1131 static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
1132 {
1133 	rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw);
1134 }
1135 
rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw * hw)1136 static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw)
1137 {
1138 	rtl92c_dm_txpower_tracking_callback_thermalmeter(hw);
1139 }
1140 
rtl92c_dm_check_txpower_tracking_thermal_meter(struct ieee80211_hw * hw)1141 static void rtl92c_dm_check_txpower_tracking_thermal_meter(
1142 						struct ieee80211_hw *hw)
1143 {
1144 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1145 
1146 	if (!rtlpriv->dm.txpower_tracking)
1147 		return;
1148 
1149 	if (!rtlpriv->dm.tm_trigger) {
1150 		rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK,
1151 			      0x60);
1152 		rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
1153 			"Trigger 92S Thermal Meter!!\n");
1154 		rtlpriv->dm.tm_trigger = 1;
1155 		return;
1156 	} else {
1157 		rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
1158 			"Schedule TxPowerTracking direct call!!\n");
1159 		rtl92c_dm_txpower_tracking_directcall(hw);
1160 		rtlpriv->dm.tm_trigger = 0;
1161 	}
1162 }
1163 
rtl92c_dm_check_txpower_tracking(struct ieee80211_hw * hw)1164 void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw)
1165 {
1166 	rtl92c_dm_check_txpower_tracking_thermal_meter(hw);
1167 }
1168 EXPORT_SYMBOL(rtl92c_dm_check_txpower_tracking);
1169 
rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw * hw)1170 void rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
1171 {
1172 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1173 	struct rate_adaptive *p_ra = &(rtlpriv->ra);
1174 
1175 	p_ra->ratr_state = DM_RATR_STA_INIT;
1176 	p_ra->pre_ratr_state = DM_RATR_STA_INIT;
1177 
1178 	if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
1179 		rtlpriv->dm.useramask = true;
1180 	else
1181 		rtlpriv->dm.useramask = false;
1182 
1183 }
1184 EXPORT_SYMBOL(rtl92c_dm_init_rate_adaptive_mask);
1185 
rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw * hw)1186 static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw)
1187 {
1188 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1189 	struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
1190 
1191 	dm_pstable->pre_ccastate = CCA_MAX;
1192 	dm_pstable->cur_ccasate = CCA_MAX;
1193 	dm_pstable->pre_rfstate = RF_MAX;
1194 	dm_pstable->cur_rfstate = RF_MAX;
1195 	dm_pstable->rssi_val_min = 0;
1196 }
1197 
rtl92c_dm_rf_saving(struct ieee80211_hw * hw,u8 bforce_in_normal)1198 void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal)
1199 {
1200 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1201 	struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
1202 
1203 	if (!rtlpriv->reg_init) {
1204 		rtlpriv->reg_874 = (rtl_get_bbreg(hw,
1205 						  RFPGA0_XCD_RFINTERFACESW,
1206 						  MASKDWORD) & 0x1CC000) >> 14;
1207 
1208 		rtlpriv->reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
1209 				    MASKDWORD) & BIT(3)) >> 3;
1210 
1211 		rtlpriv->reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
1212 				    MASKDWORD) & 0xFF000000) >> 24;
1213 
1214 		rtlpriv->reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) &
1215 				    0xF000) >> 12;
1216 
1217 		rtlpriv->reg_init = true;
1218 	}
1219 
1220 	if (!bforce_in_normal) {
1221 		if (dm_pstable->rssi_val_min != 0) {
1222 			if (dm_pstable->pre_rfstate == RF_NORMAL) {
1223 				if (dm_pstable->rssi_val_min >= 30)
1224 					dm_pstable->cur_rfstate = RF_SAVE;
1225 				else
1226 					dm_pstable->cur_rfstate = RF_NORMAL;
1227 			} else {
1228 				if (dm_pstable->rssi_val_min <= 25)
1229 					dm_pstable->cur_rfstate = RF_NORMAL;
1230 				else
1231 					dm_pstable->cur_rfstate = RF_SAVE;
1232 			}
1233 		} else {
1234 			dm_pstable->cur_rfstate = RF_MAX;
1235 		}
1236 	} else {
1237 		dm_pstable->cur_rfstate = RF_NORMAL;
1238 	}
1239 
1240 	if (dm_pstable->pre_rfstate != dm_pstable->cur_rfstate) {
1241 		if (dm_pstable->cur_rfstate == RF_SAVE) {
1242 			rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1243 				      0x1C0000, 0x2);
1244 			rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0);
1245 			rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
1246 				      0xFF000000, 0x63);
1247 			rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1248 				      0xC000, 0x2);
1249 			rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3);
1250 			rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
1251 			rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
1252 		} else {
1253 			rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1254 				      0x1CC000, rtlpriv->reg_874);
1255 			rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
1256 				      rtlpriv->reg_c70);
1257 			rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
1258 				      rtlpriv->reg_85c);
1259 			rtl_set_bbreg(hw, 0xa74, 0xF000, rtlpriv->reg_a74);
1260 			rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
1261 		}
1262 
1263 		dm_pstable->pre_rfstate = dm_pstable->cur_rfstate;
1264 	}
1265 }
1266 EXPORT_SYMBOL(rtl92c_dm_rf_saving);
1267 
rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw * hw)1268 static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
1269 {
1270 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1271 	struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
1272 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1273 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1274 
1275 	/* Determine the minimum RSSI */
1276 	if (((mac->link_state == MAC80211_NOLINK)) &&
1277 	    (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
1278 		dm_pstable->rssi_val_min = 0;
1279 		rtl_dbg(rtlpriv, DBG_LOUD, DBG_LOUD, "Not connected to any\n");
1280 	}
1281 
1282 	if (mac->link_state == MAC80211_LINKED) {
1283 		if (mac->opmode == NL80211_IFTYPE_ADHOC) {
1284 			dm_pstable->rssi_val_min =
1285 			    rtlpriv->dm.entry_min_undec_sm_pwdb;
1286 			rtl_dbg(rtlpriv, DBG_LOUD, DBG_LOUD,
1287 				"AP Client PWDB = 0x%lx\n",
1288 				dm_pstable->rssi_val_min);
1289 		} else {
1290 			dm_pstable->rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
1291 			rtl_dbg(rtlpriv, DBG_LOUD, DBG_LOUD,
1292 				"STA Default Port PWDB = 0x%lx\n",
1293 				dm_pstable->rssi_val_min);
1294 		}
1295 	} else {
1296 		dm_pstable->rssi_val_min =
1297 		    rtlpriv->dm.entry_min_undec_sm_pwdb;
1298 
1299 		rtl_dbg(rtlpriv, DBG_LOUD, DBG_LOUD,
1300 			"AP Ext Port PWDB = 0x%lx\n",
1301 			dm_pstable->rssi_val_min);
1302 	}
1303 
1304 	/* Power Saving for 92C */
1305 	if (IS_92C_SERIAL(rtlhal->version))
1306 		;/* rtl92c_dm_1r_cca(hw); */
1307 	else
1308 		rtl92c_dm_rf_saving(hw, false);
1309 }
1310 
rtl92c_dm_init(struct ieee80211_hw * hw)1311 void rtl92c_dm_init(struct ieee80211_hw *hw)
1312 {
1313 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1314 
1315 	rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
1316 	rtlpriv->dm.dm_flag = DYNAMIC_FUNC_DISABLE | DYNAMIC_FUNC_DIG;
1317 	rtlpriv->dm.undec_sm_pwdb = -1;
1318 	rtlpriv->dm.undec_sm_cck = -1;
1319 	rtlpriv->dm.dm_initialgain_enable = true;
1320 	rtl_dm_diginit(hw, 0x20);
1321 
1322 	rtlpriv->dm.dm_flag |= HAL_DM_HIPWR_DISABLE;
1323 	rtl92c_dm_init_dynamic_txpower(hw);
1324 
1325 	rtl92c_dm_init_edca_turbo(hw);
1326 	rtl92c_dm_init_rate_adaptive_mask(hw);
1327 	rtlpriv->dm.dm_flag |= DYNAMIC_FUNC_SS;
1328 	rtl92c_dm_initialize_txpower_tracking(hw);
1329 	rtl92c_dm_init_dynamic_bb_powersaving(hw);
1330 
1331 	rtlpriv->dm.ofdm_pkt_cnt = 0;
1332 	rtlpriv->dm.dm_rssi_sel = RSSI_DEFAULT;
1333 }
1334 EXPORT_SYMBOL(rtl92c_dm_init);
1335 
rtl92c_dm_dynamic_txpower(struct ieee80211_hw * hw)1336 void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw)
1337 {
1338 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1339 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
1340 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1341 	long undec_sm_pwdb;
1342 
1343 	if (!rtlpriv->dm.dynamic_txpower_enable)
1344 		return;
1345 
1346 	if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
1347 		rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
1348 		return;
1349 	}
1350 
1351 	if ((mac->link_state < MAC80211_LINKED) &&
1352 	    (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
1353 		rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE,
1354 			"Not connected to any\n");
1355 
1356 		rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
1357 
1358 		rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
1359 		return;
1360 	}
1361 
1362 	if (mac->link_state >= MAC80211_LINKED) {
1363 		if (mac->opmode == NL80211_IFTYPE_ADHOC) {
1364 			undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
1365 			rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
1366 				"AP Client PWDB = 0x%lx\n",
1367 				undec_sm_pwdb);
1368 		} else {
1369 			undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
1370 			rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
1371 				"STA Default Port PWDB = 0x%lx\n",
1372 				undec_sm_pwdb);
1373 		}
1374 	} else {
1375 		undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
1376 
1377 		rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
1378 			"AP Ext Port PWDB = 0x%lx\n",
1379 			undec_sm_pwdb);
1380 	}
1381 
1382 	if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
1383 		rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL2;
1384 		rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
1385 			"TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
1386 	} else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
1387 		   (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
1388 
1389 		rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
1390 		rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
1391 			"TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
1392 	} else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
1393 		rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
1394 		rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
1395 			"TXHIGHPWRLEVEL_NORMAL\n");
1396 	}
1397 
1398 	if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
1399 		rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD,
1400 			"PHY_SetTxPowerLevel8192S() Channel = %d\n",
1401 			 rtlphy->current_channel);
1402 		rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
1403 		if (rtlpriv->dm.dynamic_txhighpower_lvl ==
1404 		    TXHIGHPWRLEVEL_NORMAL)
1405 			dm_restorepowerindex(hw);
1406 		else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
1407 			 TXHIGHPWRLEVEL_LEVEL1)
1408 			dm_writepowerindex(hw, 0x14);
1409 		else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
1410 			 TXHIGHPWRLEVEL_LEVEL2)
1411 			dm_writepowerindex(hw, 0x10);
1412 	}
1413 	rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
1414 }
1415 
rtl92c_dm_watchdog(struct ieee80211_hw * hw)1416 void rtl92c_dm_watchdog(struct ieee80211_hw *hw)
1417 {
1418 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1419 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1420 	bool fw_current_inpsmode = false;
1421 	bool fw_ps_awake = true;
1422 
1423 	rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
1424 				      (u8 *) (&fw_current_inpsmode));
1425 	rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
1426 				      (u8 *) (&fw_ps_awake));
1427 
1428 	if (ppsc->p2p_ps_info.p2p_ps_mode)
1429 		fw_ps_awake = false;
1430 
1431 	if ((ppsc->rfpwr_state == ERFON) && ((!fw_current_inpsmode) &&
1432 					     fw_ps_awake)
1433 	    && (!ppsc->rfchange_inprogress)) {
1434 		rtl92c_dm_pwdb_monitor(hw);
1435 		rtl92c_dm_dig(hw);
1436 		rtl92c_dm_false_alarm_counter_statistics(hw);
1437 		rtl92c_dm_dynamic_bb_powersaving(hw);
1438 		rtl92c_dm_dynamic_txpower(hw);
1439 		rtl92c_dm_check_txpower_tracking(hw);
1440 		/* rtl92c_dm_refresh_rate_adaptive_mask(hw); */
1441 		rtl92c_dm_bt_coexist(hw);
1442 		rtl92c_dm_check_edca_turbo(hw);
1443 	}
1444 }
1445 EXPORT_SYMBOL(rtl92c_dm_watchdog);
1446 
rtl92c_bt_rssi_state_change(struct ieee80211_hw * hw)1447 u8 rtl92c_bt_rssi_state_change(struct ieee80211_hw *hw)
1448 {
1449 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1450 	long undec_sm_pwdb;
1451 	u8 curr_bt_rssi_state = 0x00;
1452 
1453 	if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
1454 		undec_sm_pwdb = GET_UNDECORATED_AVERAGE_RSSI(rtlpriv);
1455 	} else {
1456 		if (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)
1457 			undec_sm_pwdb = 100;
1458 		else
1459 			undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
1460 	}
1461 
1462 	/* Check RSSI to determine HighPower/NormalPower state for
1463 	 * BT coexistence. */
1464 	if (undec_sm_pwdb >= 67)
1465 		curr_bt_rssi_state &= (~BT_RSSI_STATE_NORMAL_POWER);
1466 	else if (undec_sm_pwdb < 62)
1467 		curr_bt_rssi_state |= BT_RSSI_STATE_NORMAL_POWER;
1468 
1469 	/* Check RSSI to determine AMPDU setting for BT coexistence. */
1470 	if (undec_sm_pwdb >= 40)
1471 		curr_bt_rssi_state &= (~BT_RSSI_STATE_AMDPU_OFF);
1472 	else if (undec_sm_pwdb <= 32)
1473 		curr_bt_rssi_state |= BT_RSSI_STATE_AMDPU_OFF;
1474 
1475 	/* Marked RSSI state. It will be used to determine BT coexistence
1476 	 * setting later. */
1477 	if (undec_sm_pwdb < 35)
1478 		curr_bt_rssi_state |=  BT_RSSI_STATE_SPECIAL_LOW;
1479 	else
1480 		curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW);
1481 
1482 	/* Check BT state related to BT_Idle in B/G mode. */
1483 	if (undec_sm_pwdb < 15)
1484 		curr_bt_rssi_state |=  BT_RSSI_STATE_BG_EDCA_LOW;
1485 	else
1486 		curr_bt_rssi_state &= (~BT_RSSI_STATE_BG_EDCA_LOW);
1487 
1488 	if (curr_bt_rssi_state != rtlpriv->btcoexist.bt_rssi_state) {
1489 		rtlpriv->btcoexist.bt_rssi_state = curr_bt_rssi_state;
1490 		return true;
1491 	} else {
1492 		return false;
1493 	}
1494 }
1495 EXPORT_SYMBOL(rtl92c_bt_rssi_state_change);
1496 
rtl92c_bt_state_change(struct ieee80211_hw * hw)1497 static bool rtl92c_bt_state_change(struct ieee80211_hw *hw)
1498 {
1499 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1500 
1501 	u32 polling, ratio_tx, ratio_pri;
1502 	u32 bt_tx, bt_pri;
1503 	u8 bt_state;
1504 	u8 cur_service_type;
1505 
1506 	if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1507 		return false;
1508 
1509 	bt_state = rtl_read_byte(rtlpriv, 0x4fd);
1510 	bt_tx = rtl_read_dword(rtlpriv, 0x488) & BT_MASK;
1511 	bt_pri = rtl_read_dword(rtlpriv, 0x48c) & BT_MASK;
1512 	polling = rtl_read_dword(rtlpriv, 0x490);
1513 
1514 	if (bt_tx == BT_MASK && bt_pri == BT_MASK &&
1515 	    polling == 0xffffffff && bt_state == 0xff)
1516 		return false;
1517 
1518 	bt_state &= BIT(0);
1519 	if (bt_state != rtlpriv->btcoexist.bt_cur_state) {
1520 		rtlpriv->btcoexist.bt_cur_state = bt_state;
1521 
1522 		if (rtlpriv->btcoexist.reg_bt_sco == 3) {
1523 			rtlpriv->btcoexist.bt_service = BT_IDLE;
1524 
1525 			bt_state = bt_state |
1526 			  ((rtlpriv->btcoexist.bt_ant_isolation == 1) ?
1527 			  0 : BIT(1)) | BIT(2);
1528 			rtl_write_byte(rtlpriv, 0x4fd, bt_state);
1529 		}
1530 		return true;
1531 	}
1532 
1533 	ratio_tx = bt_tx * 1000 / polling;
1534 	ratio_pri = bt_pri * 1000 / polling;
1535 	rtlpriv->btcoexist.ratio_tx = ratio_tx;
1536 	rtlpriv->btcoexist.ratio_pri = ratio_pri;
1537 
1538 	if (bt_state && rtlpriv->btcoexist.reg_bt_sco == 3) {
1539 
1540 		if ((ratio_tx < 30)  && (ratio_pri < 30))
1541 			cur_service_type = BT_IDLE;
1542 		else if ((ratio_pri > 110) && (ratio_pri < 250))
1543 			cur_service_type = BT_SCO;
1544 		else if ((ratio_tx >= 200) && (ratio_pri >= 200))
1545 			cur_service_type = BT_BUSY;
1546 		else if ((ratio_tx >= 350) && (ratio_tx < 500))
1547 			cur_service_type = BT_OTHERBUSY;
1548 		else if (ratio_tx >= 500)
1549 			cur_service_type = BT_PAN;
1550 		else
1551 			cur_service_type = BT_OTHER_ACTION;
1552 
1553 		if (cur_service_type != rtlpriv->btcoexist.bt_service) {
1554 			rtlpriv->btcoexist.bt_service = cur_service_type;
1555 			bt_state = bt_state |
1556 			   ((rtlpriv->btcoexist.bt_ant_isolation == 1) ?
1557 			   0 : BIT(1)) |
1558 			   ((rtlpriv->btcoexist.bt_service != BT_IDLE) ?
1559 			   0 : BIT(2));
1560 
1561 			/* Add interrupt migration when bt is not ini
1562 			 * idle state (no traffic). */
1563 			if (rtlpriv->btcoexist.bt_service != BT_IDLE) {
1564 				rtl_write_word(rtlpriv, 0x504, 0x0ccc);
1565 				rtl_write_byte(rtlpriv, 0x506, 0x54);
1566 				rtl_write_byte(rtlpriv, 0x507, 0x54);
1567 			} else {
1568 				rtl_write_byte(rtlpriv, 0x506, 0x00);
1569 				rtl_write_byte(rtlpriv, 0x507, 0x00);
1570 			}
1571 
1572 			rtl_write_byte(rtlpriv, 0x4fd, bt_state);
1573 			return true;
1574 		}
1575 	}
1576 
1577 	return false;
1578 
1579 }
1580 
rtl92c_bt_wifi_connect_change(struct ieee80211_hw * hw)1581 static bool rtl92c_bt_wifi_connect_change(struct ieee80211_hw *hw)
1582 {
1583 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1584 	static bool media_connect;
1585 
1586 	if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
1587 		media_connect = false;
1588 	} else {
1589 		if (!media_connect) {
1590 			media_connect = true;
1591 			return true;
1592 		}
1593 		media_connect = true;
1594 	}
1595 
1596 	return false;
1597 }
1598 
rtl92c_bt_set_normal(struct ieee80211_hw * hw)1599 static void rtl92c_bt_set_normal(struct ieee80211_hw *hw)
1600 {
1601 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1602 
1603 	if (rtlpriv->btcoexist.bt_service == BT_OTHERBUSY) {
1604 		rtlpriv->btcoexist.bt_edca_ul = 0x5ea72b;
1605 		rtlpriv->btcoexist.bt_edca_dl = 0x5ea72b;
1606 	} else if (rtlpriv->btcoexist.bt_service == BT_BUSY) {
1607 		rtlpriv->btcoexist.bt_edca_ul = 0x5eb82f;
1608 		rtlpriv->btcoexist.bt_edca_dl = 0x5eb82f;
1609 	} else if (rtlpriv->btcoexist.bt_service == BT_SCO) {
1610 		if (rtlpriv->btcoexist.ratio_tx > 160) {
1611 			rtlpriv->btcoexist.bt_edca_ul = 0x5ea72f;
1612 			rtlpriv->btcoexist.bt_edca_dl = 0x5ea72f;
1613 		} else {
1614 			rtlpriv->btcoexist.bt_edca_ul = 0x5ea32b;
1615 			rtlpriv->btcoexist.bt_edca_dl = 0x5ea42b;
1616 		}
1617 	} else {
1618 		rtlpriv->btcoexist.bt_edca_ul = 0;
1619 		rtlpriv->btcoexist.bt_edca_dl = 0;
1620 	}
1621 
1622 	if ((rtlpriv->btcoexist.bt_service != BT_IDLE) &&
1623 	    (rtlpriv->mac80211.mode == WIRELESS_MODE_G ||
1624 	     (rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) &&
1625 	    (rtlpriv->btcoexist.bt_rssi_state &
1626 	     BT_RSSI_STATE_BG_EDCA_LOW)) {
1627 		rtlpriv->btcoexist.bt_edca_ul = 0x5eb82b;
1628 		rtlpriv->btcoexist.bt_edca_dl = 0x5eb82b;
1629 	}
1630 }
1631 
rtl92c_bt_ant_isolation(struct ieee80211_hw * hw,u8 tmp1byte)1632 static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw, u8 tmp1byte)
1633 {
1634 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1635 
1636 	/* Only enable HW BT coexist when BT in "Busy" state. */
1637 	if (rtlpriv->mac80211.vendor == PEER_CISCO &&
1638 	    rtlpriv->btcoexist.bt_service == BT_OTHER_ACTION) {
1639 		rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
1640 	} else {
1641 		if ((rtlpriv->btcoexist.bt_service == BT_BUSY) &&
1642 		    (rtlpriv->btcoexist.bt_rssi_state &
1643 		     BT_RSSI_STATE_NORMAL_POWER)) {
1644 			rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
1645 		} else if ((rtlpriv->btcoexist.bt_service ==
1646 			    BT_OTHER_ACTION) && (rtlpriv->mac80211.mode <
1647 			    WIRELESS_MODE_N_24G) &&
1648 			    (rtlpriv->btcoexist.bt_rssi_state &
1649 			    BT_RSSI_STATE_SPECIAL_LOW)) {
1650 			rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
1651 		} else {
1652 			rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
1653 		}
1654 	}
1655 
1656 	if (rtlpriv->btcoexist.bt_service == BT_PAN)
1657 		rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100);
1658 	else
1659 		rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0);
1660 
1661 	if (rtlpriv->btcoexist.bt_rssi_state &
1662 	    BT_RSSI_STATE_NORMAL_POWER) {
1663 		rtl92c_bt_set_normal(hw);
1664 	} else {
1665 		rtlpriv->btcoexist.bt_edca_ul = 0;
1666 		rtlpriv->btcoexist.bt_edca_dl = 0;
1667 	}
1668 
1669 	if (rtlpriv->btcoexist.bt_service != BT_IDLE) {
1670 		rtlpriv->cfg->ops->set_rfreg(hw,
1671 				 RF90_PATH_A,
1672 				 0x1e,
1673 				 0xf0, 0xf);
1674 	} else {
1675 		rtlpriv->cfg->ops->set_rfreg(hw,
1676 		     RF90_PATH_A, 0x1e, 0xf0,
1677 		     rtlpriv->btcoexist.bt_rfreg_origin_1e);
1678 	}
1679 
1680 	if (!rtlpriv->dm.dynamic_txpower_enable) {
1681 		if (rtlpriv->btcoexist.bt_service != BT_IDLE) {
1682 			if (rtlpriv->btcoexist.bt_rssi_state &
1683 				BT_RSSI_STATE_TXPOWER_LOW) {
1684 				rtlpriv->dm.dynamic_txhighpower_lvl =
1685 							TXHIGHPWRLEVEL_BT2;
1686 			} else {
1687 				rtlpriv->dm.dynamic_txhighpower_lvl =
1688 					TXHIGHPWRLEVEL_BT1;
1689 			}
1690 		} else {
1691 			rtlpriv->dm.dynamic_txhighpower_lvl =
1692 				TXHIGHPWRLEVEL_NORMAL;
1693 		}
1694 		rtl92c_phy_set_txpower_level(hw,
1695 			rtlpriv->phy.current_channel);
1696 	}
1697 }
1698 
rtl92c_check_bt_change(struct ieee80211_hw * hw)1699 static void rtl92c_check_bt_change(struct ieee80211_hw *hw)
1700 {
1701 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1702 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1703 	u8 tmp1byte = 0;
1704 
1705 	if (IS_81XXC_VENDOR_UMC_B_CUT(rtlhal->version) &&
1706 	    rtlpriv->btcoexist.bt_coexistence)
1707 		tmp1byte |= BIT(5);
1708 	if (rtlpriv->btcoexist.bt_cur_state) {
1709 		if (rtlpriv->btcoexist.bt_ant_isolation)
1710 			rtl92c_bt_ant_isolation(hw, tmp1byte);
1711 	} else {
1712 		rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
1713 		rtlpriv->cfg->ops->set_rfreg(hw, RF90_PATH_A, 0x1e, 0xf0,
1714 				rtlpriv->btcoexist.bt_rfreg_origin_1e);
1715 
1716 		rtlpriv->btcoexist.bt_edca_ul = 0;
1717 		rtlpriv->btcoexist.bt_edca_dl = 0;
1718 	}
1719 }
1720 
rtl92c_dm_bt_coexist(struct ieee80211_hw * hw)1721 void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw)
1722 {
1723 	struct rtl_priv *rtlpriv = rtl_priv(hw);
1724 	bool wifi_connect_change;
1725 	bool bt_state_change;
1726 	bool rssi_state_change;
1727 
1728 	if ((rtlpriv->btcoexist.bt_coexistence) &&
1729 	    (rtlpriv->btcoexist.bt_coexist_type == BT_CSR_BC4)) {
1730 		wifi_connect_change = rtl92c_bt_wifi_connect_change(hw);
1731 		bt_state_change = rtl92c_bt_state_change(hw);
1732 		rssi_state_change = rtl92c_bt_rssi_state_change(hw);
1733 
1734 		if (wifi_connect_change || bt_state_change || rssi_state_change)
1735 			rtl92c_check_bt_change(hw);
1736 	}
1737 }
1738 EXPORT_SYMBOL(rtl92c_dm_bt_coexist);
1739