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slip: Fix use-after-free Read in slip_open
[mirror_ubuntu-jammy-kernel.git] / drivers / net / wireless / realtek / rtlwifi / rtl8192c / dm_common.c
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_OFFSET_LEN_MASK_32(0, 1)
12 #define BT_RSSI_STATE_AMDPU_OFF BIT_OFFSET_LEN_MASK_32(1, 1)
13 #define BT_RSSI_STATE_SPECIAL_LOW BIT_OFFSET_LEN_MASK_32(2, 1)
14 #define BT_RSSI_STATE_BG_EDCA_LOW BIT_OFFSET_LEN_MASK_32(3, 1)
15 #define BT_RSSI_STATE_TXPOWER_LOW BIT_OFFSET_LEN_MASK_32(4, 1)
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
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
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
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
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
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 RT_TRACE(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 RT_TRACE(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
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
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
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 == false) {
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 RT_TRACE(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
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 RT_TRACE(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
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
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
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 == false)
513 return;
514 if (!(rtlpriv->dm.dm_flag & DYNAMIC_FUNC_DIG))
515 return;
516
517 rtl92c_dm_ctrl_initgain_by_twoport(hw);
518 }
519
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
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 RT_TRACE(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 RT_TRACE(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
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
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
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_ul = 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
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 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
717 "rtl92c_dm_txpower_tracking_callback_thermalmeter\n");
718
719 thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
720
721 RT_TRACE(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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===\n");
1115
1116 }
1117
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 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
1127 "pMgntInfo->txpower_tracking = %d\n",
1128 rtlpriv->dm.txpower_tracking);
1129 }
1130
1131 static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
1132 {
1133 rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw);
1134 }
1135
1136 static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw)
1137 {
1138 rtl92c_dm_txpower_tracking_callback_thermalmeter(hw);
1139 }
1140
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 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
1153 "Trigger 92S Thermal Meter!!\n");
1154 rtlpriv->dm.tm_trigger = 1;
1155 return;
1156 } else {
1157 RT_TRACE(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
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
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
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
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
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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(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
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
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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(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 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
1395 "TXHIGHPWRLEVEL_NORMAL\n");
1396 }
1397
1398 if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
1399 RT_TRACE(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
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
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
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_OFFSET_LEN_MASK_32(0, 1);
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_OFFSET_LEN_MASK_32(1, 1)) |
1528 BIT_OFFSET_LEN_MASK_32(2, 1);
1529 rtl_write_byte(rtlpriv, 0x4fd, bt_state);
1530 }
1531 return true;
1532 }
1533
1534 ratio_tx = bt_tx * 1000 / polling;
1535 ratio_pri = bt_pri * 1000 / polling;
1536 rtlpriv->btcoexist.ratio_tx = ratio_tx;
1537 rtlpriv->btcoexist.ratio_pri = ratio_pri;
1538
1539 if (bt_state && rtlpriv->btcoexist.reg_bt_sco == 3) {
1540
1541 if ((ratio_tx < 30) && (ratio_pri < 30))
1542 cur_service_type = BT_IDLE;
1543 else if ((ratio_pri > 110) && (ratio_pri < 250))
1544 cur_service_type = BT_SCO;
1545 else if ((ratio_tx >= 200) && (ratio_pri >= 200))
1546 cur_service_type = BT_BUSY;
1547 else if ((ratio_tx >= 350) && (ratio_tx < 500))
1548 cur_service_type = BT_OTHERBUSY;
1549 else if (ratio_tx >= 500)
1550 cur_service_type = BT_PAN;
1551 else
1552 cur_service_type = BT_OTHER_ACTION;
1553
1554 if (cur_service_type != rtlpriv->btcoexist.bt_service) {
1555 rtlpriv->btcoexist.bt_service = cur_service_type;
1556 bt_state = bt_state |
1557 ((rtlpriv->btcoexist.bt_ant_isolation == 1) ?
1558 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
1559 ((rtlpriv->btcoexist.bt_service != BT_IDLE) ?
1560 0 : BIT_OFFSET_LEN_MASK_32(2, 1));
1561
1562 /* Add interrupt migration when bt is not ini
1563 * idle state (no traffic). */
1564 if (rtlpriv->btcoexist.bt_service != BT_IDLE) {
1565 rtl_write_word(rtlpriv, 0x504, 0x0ccc);
1566 rtl_write_byte(rtlpriv, 0x506, 0x54);
1567 rtl_write_byte(rtlpriv, 0x507, 0x54);
1568 } else {
1569 rtl_write_byte(rtlpriv, 0x506, 0x00);
1570 rtl_write_byte(rtlpriv, 0x507, 0x00);
1571 }
1572
1573 rtl_write_byte(rtlpriv, 0x4fd, bt_state);
1574 return true;
1575 }
1576 }
1577
1578 return false;
1579
1580 }
1581
1582 static bool rtl92c_bt_wifi_connect_change(struct ieee80211_hw *hw)
1583 {
1584 struct rtl_priv *rtlpriv = rtl_priv(hw);
1585 static bool media_connect;
1586
1587 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
1588 media_connect = false;
1589 } else {
1590 if (!media_connect) {
1591 media_connect = true;
1592 return true;
1593 }
1594 media_connect = true;
1595 }
1596
1597 return false;
1598 }
1599
1600 static void rtl92c_bt_set_normal(struct ieee80211_hw *hw)
1601 {
1602 struct rtl_priv *rtlpriv = rtl_priv(hw);
1603
1604 if (rtlpriv->btcoexist.bt_service == BT_OTHERBUSY) {
1605 rtlpriv->btcoexist.bt_edca_ul = 0x5ea72b;
1606 rtlpriv->btcoexist.bt_edca_dl = 0x5ea72b;
1607 } else if (rtlpriv->btcoexist.bt_service == BT_BUSY) {
1608 rtlpriv->btcoexist.bt_edca_ul = 0x5eb82f;
1609 rtlpriv->btcoexist.bt_edca_dl = 0x5eb82f;
1610 } else if (rtlpriv->btcoexist.bt_service == BT_SCO) {
1611 if (rtlpriv->btcoexist.ratio_tx > 160) {
1612 rtlpriv->btcoexist.bt_edca_ul = 0x5ea72f;
1613 rtlpriv->btcoexist.bt_edca_dl = 0x5ea72f;
1614 } else {
1615 rtlpriv->btcoexist.bt_edca_ul = 0x5ea32b;
1616 rtlpriv->btcoexist.bt_edca_dl = 0x5ea42b;
1617 }
1618 } else {
1619 rtlpriv->btcoexist.bt_edca_ul = 0;
1620 rtlpriv->btcoexist.bt_edca_dl = 0;
1621 }
1622
1623 if ((rtlpriv->btcoexist.bt_service != BT_IDLE) &&
1624 (rtlpriv->mac80211.mode == WIRELESS_MODE_G ||
1625 (rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) &&
1626 (rtlpriv->btcoexist.bt_rssi_state &
1627 BT_RSSI_STATE_BG_EDCA_LOW)) {
1628 rtlpriv->btcoexist.bt_edca_ul = 0x5eb82b;
1629 rtlpriv->btcoexist.bt_edca_dl = 0x5eb82b;
1630 }
1631 }
1632
1633 static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw, u8 tmp1byte)
1634 {
1635 struct rtl_priv *rtlpriv = rtl_priv(hw);
1636
1637 /* Only enable HW BT coexist when BT in "Busy" state. */
1638 if (rtlpriv->mac80211.vendor == PEER_CISCO &&
1639 rtlpriv->btcoexist.bt_service == BT_OTHER_ACTION) {
1640 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
1641 } else {
1642 if ((rtlpriv->btcoexist.bt_service == BT_BUSY) &&
1643 (rtlpriv->btcoexist.bt_rssi_state &
1644 BT_RSSI_STATE_NORMAL_POWER)) {
1645 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
1646 } else if ((rtlpriv->btcoexist.bt_service ==
1647 BT_OTHER_ACTION) && (rtlpriv->mac80211.mode <
1648 WIRELESS_MODE_N_24G) &&
1649 (rtlpriv->btcoexist.bt_rssi_state &
1650 BT_RSSI_STATE_SPECIAL_LOW)) {
1651 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
1652 } else if (rtlpriv->btcoexist.bt_service == BT_PAN) {
1653 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
1654 } else {
1655 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
1656 }
1657 }
1658
1659 if (rtlpriv->btcoexist.bt_service == BT_PAN)
1660 rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100);
1661 else
1662 rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0);
1663
1664 if (rtlpriv->btcoexist.bt_rssi_state &
1665 BT_RSSI_STATE_NORMAL_POWER) {
1666 rtl92c_bt_set_normal(hw);
1667 } else {
1668 rtlpriv->btcoexist.bt_edca_ul = 0;
1669 rtlpriv->btcoexist.bt_edca_dl = 0;
1670 }
1671
1672 if (rtlpriv->btcoexist.bt_service != BT_IDLE) {
1673 rtlpriv->cfg->ops->set_rfreg(hw,
1674 RF90_PATH_A,
1675 0x1e,
1676 0xf0, 0xf);
1677 } else {
1678 rtlpriv->cfg->ops->set_rfreg(hw,
1679 RF90_PATH_A, 0x1e, 0xf0,
1680 rtlpriv->btcoexist.bt_rfreg_origin_1e);
1681 }
1682
1683 if (!rtlpriv->dm.dynamic_txpower_enable) {
1684 if (rtlpriv->btcoexist.bt_service != BT_IDLE) {
1685 if (rtlpriv->btcoexist.bt_rssi_state &
1686 BT_RSSI_STATE_TXPOWER_LOW) {
1687 rtlpriv->dm.dynamic_txhighpower_lvl =
1688 TXHIGHPWRLEVEL_BT2;
1689 } else {
1690 rtlpriv->dm.dynamic_txhighpower_lvl =
1691 TXHIGHPWRLEVEL_BT1;
1692 }
1693 } else {
1694 rtlpriv->dm.dynamic_txhighpower_lvl =
1695 TXHIGHPWRLEVEL_NORMAL;
1696 }
1697 rtl92c_phy_set_txpower_level(hw,
1698 rtlpriv->phy.current_channel);
1699 }
1700 }
1701
1702 static void rtl92c_check_bt_change(struct ieee80211_hw *hw)
1703 {
1704 struct rtl_priv *rtlpriv = rtl_priv(hw);
1705 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1706 u8 tmp1byte = 0;
1707
1708 if (IS_81XXC_VENDOR_UMC_B_CUT(rtlhal->version) &&
1709 rtlpriv->btcoexist.bt_coexistence)
1710 tmp1byte |= BIT(5);
1711 if (rtlpriv->btcoexist.bt_cur_state) {
1712 if (rtlpriv->btcoexist.bt_ant_isolation)
1713 rtl92c_bt_ant_isolation(hw, tmp1byte);
1714 } else {
1715 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
1716 rtlpriv->cfg->ops->set_rfreg(hw, RF90_PATH_A, 0x1e, 0xf0,
1717 rtlpriv->btcoexist.bt_rfreg_origin_1e);
1718
1719 rtlpriv->btcoexist.bt_edca_ul = 0;
1720 rtlpriv->btcoexist.bt_edca_dl = 0;
1721 }
1722 }
1723
1724 void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw)
1725 {
1726 struct rtl_priv *rtlpriv = rtl_priv(hw);
1727 bool wifi_connect_change;
1728 bool bt_state_change;
1729 bool rssi_state_change;
1730
1731 if ((rtlpriv->btcoexist.bt_coexistence) &&
1732 (rtlpriv->btcoexist.bt_coexist_type == BT_CSR_BC4)) {
1733 wifi_connect_change = rtl92c_bt_wifi_connect_change(hw);
1734 bt_state_change = rtl92c_bt_state_change(hw);
1735 rssi_state_change = rtl92c_bt_rssi_state_change(hw);
1736
1737 if (wifi_connect_change || bt_state_change || rssi_state_change)
1738 rtl92c_check_bt_change(hw);
1739 }
1740 }
1741 EXPORT_SYMBOL(rtl92c_dm_bt_coexist);
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