1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2012 Realtek Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
25 *
26 * Larry Finger <Larry.Finger@lwfinger.net>
27 *
28 *****************************************************************************/
29
30 #include <linux/export.h>
31 #include "dm_common.h"
32 #include "phy_common.h"
33 #include "../pci.h"
34 #include "../base.h"
35 #include "../core.h"
36
37 #define BT_RSSI_STATE_NORMAL_POWER BIT_OFFSET_LEN_MASK_32(0, 1)
38 #define BT_RSSI_STATE_AMDPU_OFF BIT_OFFSET_LEN_MASK_32(1, 1)
39 #define BT_RSSI_STATE_SPECIAL_LOW BIT_OFFSET_LEN_MASK_32(2, 1)
40 #define BT_RSSI_STATE_BG_EDCA_LOW BIT_OFFSET_LEN_MASK_32(3, 1)
41 #define BT_RSSI_STATE_TXPOWER_LOW BIT_OFFSET_LEN_MASK_32(4, 1)
42
43 #define RTLPRIV (struct rtl_priv *)
44 #define GET_UNDECORATED_AVERAGE_RSSI(_priv) \
45 ((RTLPRIV(_priv))->mac80211.opmode == \
46 NL80211_IFTYPE_ADHOC) ? \
47 ((RTLPRIV(_priv))->dm.entry_min_undec_sm_pwdb) : \
48 ((RTLPRIV(_priv))->dm.undec_sm_pwdb)
49
50 static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = {
51 0x7f8001fe,
52 0x788001e2,
53 0x71c001c7,
54 0x6b8001ae,
55 0x65400195,
56 0x5fc0017f,
57 0x5a400169,
58 0x55400155,
59 0x50800142,
60 0x4c000130,
61 0x47c0011f,
62 0x43c0010f,
63 0x40000100,
64 0x3c8000f2,
65 0x390000e4,
66 0x35c000d7,
67 0x32c000cb,
68 0x300000c0,
69 0x2d4000b5,
70 0x2ac000ab,
71 0x288000a2,
72 0x26000098,
73 0x24000090,
74 0x22000088,
75 0x20000080,
76 0x1e400079,
77 0x1c800072,
78 0x1b00006c,
79 0x19800066,
80 0x18000060,
81 0x16c0005b,
82 0x15800056,
83 0x14400051,
84 0x1300004c,
85 0x12000048,
86 0x11000044,
87 0x10000040,
88 };
89
90 static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = {
91 {0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04},
92 {0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04},
93 {0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03},
94 {0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03},
95 {0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03},
96 {0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03},
97 {0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03},
98 {0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03},
99 {0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02},
100 {0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02},
101 {0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02},
102 {0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02},
103 {0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02},
104 {0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02},
105 {0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02},
106 {0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02},
107 {0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01},
108 {0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02},
109 {0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01},
110 {0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
111 {0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01},
112 {0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01},
113 {0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01},
114 {0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01},
115 {0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01},
116 {0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01},
117 {0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01},
118 {0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01},
119 {0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01},
120 {0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01},
121 {0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01},
122 {0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01},
123 {0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01}
124 };
125
126 static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
127 {0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00},
128 {0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00},
129 {0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00},
130 {0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00},
131 {0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00},
132 {0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00},
133 {0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00},
134 {0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00},
135 {0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00},
136 {0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00},
137 {0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00},
138 {0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00},
139 {0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00},
140 {0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00},
141 {0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00},
142 {0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00},
143 {0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00},
144 {0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00},
145 {0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00},
146 {0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
147 {0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00},
148 {0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00},
149 {0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00},
150 {0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
151 {0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00},
152 {0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00},
153 {0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
154 {0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00},
155 {0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
156 {0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00},
157 {0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
158 {0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00},
159 {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}
160 };
161
162 static u32 power_index_reg[6] = {0xc90, 0xc91, 0xc92, 0xc98, 0xc99, 0xc9a};
163
dm_restorepowerindex(struct ieee80211_hw * hw)164 void dm_restorepowerindex(struct ieee80211_hw *hw)
165 {
166 struct rtl_priv *rtlpriv = rtl_priv(hw);
167 u8 index;
168
169 for (index = 0; index < 6; index++)
170 rtl_write_byte(rtlpriv, power_index_reg[index],
171 rtlpriv->dm.powerindex_backup[index]);
172 }
173 EXPORT_SYMBOL_GPL(dm_restorepowerindex);
174
dm_writepowerindex(struct ieee80211_hw * hw,u8 value)175 void dm_writepowerindex(struct ieee80211_hw *hw, u8 value)
176 {
177 struct rtl_priv *rtlpriv = rtl_priv(hw);
178 u8 index;
179
180 for (index = 0; index < 6; index++)
181 rtl_write_byte(rtlpriv, power_index_reg[index], value);
182 }
183 EXPORT_SYMBOL_GPL(dm_writepowerindex);
184
dm_savepowerindex(struct ieee80211_hw * hw)185 void dm_savepowerindex(struct ieee80211_hw *hw)
186 {
187 struct rtl_priv *rtlpriv = rtl_priv(hw);
188 u8 index;
189 u8 tmp;
190
191 for (index = 0; index < 6; index++) {
192 tmp = rtl_read_byte(rtlpriv, power_index_reg[index]);
193 rtlpriv->dm.powerindex_backup[index] = tmp;
194 }
195 }
196 EXPORT_SYMBOL_GPL(dm_savepowerindex);
197
rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw * hw)198 static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw)
199 {
200 struct rtl_priv *rtlpriv = rtl_priv(hw);
201 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
202 long rssi_val_min = 0;
203
204 if ((dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) &&
205 (dm_digtable->cursta_cstate == DIG_STA_CONNECT)) {
206 if (rtlpriv->dm.entry_min_undec_sm_pwdb != 0)
207 rssi_val_min =
208 (rtlpriv->dm.entry_min_undec_sm_pwdb >
209 rtlpriv->dm.undec_sm_pwdb) ?
210 rtlpriv->dm.undec_sm_pwdb :
211 rtlpriv->dm.entry_min_undec_sm_pwdb;
212 else
213 rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
214 } else if (dm_digtable->cursta_cstate == DIG_STA_CONNECT ||
215 dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT) {
216 rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
217 } else if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) {
218 rssi_val_min = rtlpriv->dm.entry_min_undec_sm_pwdb;
219 }
220
221 if (rssi_val_min > 100)
222 rssi_val_min = 100;
223 return (u8)rssi_val_min;
224 }
225
rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw * hw)226 static void rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
227 {
228 u32 ret_value;
229 struct rtl_priv *rtlpriv = rtl_priv(hw);
230 struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt);
231
232 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
233 falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
234
235 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
236 falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
237 falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
238
239 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
240 falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
241
242 ret_value = rtl_get_bbreg(hw, ROFDM0_FRAMESYNC, MASKDWORD);
243 falsealm_cnt->cnt_fast_fsync_fail = (ret_value & 0xffff);
244 falsealm_cnt->cnt_sb_search_fail = ((ret_value & 0xffff0000) >> 16);
245
246 falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
247 falsealm_cnt->cnt_rate_illegal +
248 falsealm_cnt->cnt_crc8_fail +
249 falsealm_cnt->cnt_mcs_fail +
250 falsealm_cnt->cnt_fast_fsync_fail +
251 falsealm_cnt->cnt_sb_search_fail;
252
253 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1);
254 ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0);
255 falsealm_cnt->cnt_cck_fail = ret_value;
256
257 ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERUPPER, MASKBYTE3);
258 falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;
259 falsealm_cnt->cnt_all = (falsealm_cnt->cnt_parity_fail +
260 falsealm_cnt->cnt_rate_illegal +
261 falsealm_cnt->cnt_crc8_fail +
262 falsealm_cnt->cnt_mcs_fail +
263 falsealm_cnt->cnt_cck_fail);
264
265 rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 1);
266 rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 0);
267 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 0);
268 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 2);
269
270 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
271 "cnt_parity_fail = %d, cnt_rate_illegal = %d, cnt_crc8_fail = %d, cnt_mcs_fail = %d\n",
272 falsealm_cnt->cnt_parity_fail,
273 falsealm_cnt->cnt_rate_illegal,
274 falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail);
275
276 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
277 "cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n",
278 falsealm_cnt->cnt_ofdm_fail,
279 falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all);
280 }
281
rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw * hw)282 static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw)
283 {
284 struct rtl_priv *rtlpriv = rtl_priv(hw);
285 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
286 u8 value_igi = dm_digtable->cur_igvalue;
287
288 if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
289 value_igi--;
290 else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
291 value_igi += 0;
292 else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH2)
293 value_igi++;
294 else if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2)
295 value_igi += 2;
296
297 if (value_igi > DM_DIG_FA_UPPER)
298 value_igi = DM_DIG_FA_UPPER;
299 else if (value_igi < DM_DIG_FA_LOWER)
300 value_igi = DM_DIG_FA_LOWER;
301
302 if (rtlpriv->falsealm_cnt.cnt_all > 10000)
303 value_igi = DM_DIG_FA_UPPER;
304
305 dm_digtable->cur_igvalue = value_igi;
306 rtl92c_dm_write_dig(hw);
307 }
308
rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw * hw)309 static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw)
310 {
311 struct rtl_priv *rtlpriv = rtl_priv(hw);
312 struct dig_t *digtable = &rtlpriv->dm_digtable;
313 u32 isbt;
314
315 /* modify DIG lower bound, deal with abnorally large false alarm */
316 if (rtlpriv->falsealm_cnt.cnt_all > 10000) {
317 digtable->large_fa_hit++;
318 if (digtable->forbidden_igi < digtable->cur_igvalue) {
319 digtable->forbidden_igi = digtable->cur_igvalue;
320 digtable->large_fa_hit = 1;
321 }
322
323 if (digtable->large_fa_hit >= 3) {
324 if ((digtable->forbidden_igi + 1) >
325 digtable->rx_gain_max)
326 digtable->rx_gain_min = digtable->rx_gain_max;
327 else
328 digtable->rx_gain_min = (digtable->forbidden_igi + 1);
329 digtable->recover_cnt = 3600; /* 3600=2hr */
330 }
331 } else {
332 /* Recovery mechanism for IGI lower bound */
333 if (digtable->recover_cnt != 0) {
334 digtable->recover_cnt--;
335 } else {
336 if (digtable->large_fa_hit == 0) {
337 if ((digtable->forbidden_igi-1) < DM_DIG_MIN) {
338 digtable->forbidden_igi = DM_DIG_MIN;
339 digtable->rx_gain_min = DM_DIG_MIN;
340 } else {
341 digtable->forbidden_igi--;
342 digtable->rx_gain_min = digtable->forbidden_igi + 1;
343 }
344 } else if (digtable->large_fa_hit == 3) {
345 digtable->large_fa_hit = 0;
346 }
347 }
348 }
349 if (rtlpriv->falsealm_cnt.cnt_all < 250) {
350 isbt = rtl_read_byte(rtlpriv, 0x4fd) & 0x01;
351
352 if (!isbt) {
353 if (rtlpriv->falsealm_cnt.cnt_all >
354 digtable->fa_lowthresh) {
355 if ((digtable->back_val - 2) <
356 digtable->back_range_min)
357 digtable->back_val = digtable->back_range_min;
358 else
359 digtable->back_val -= 2;
360 } else if (rtlpriv->falsealm_cnt.cnt_all <
361 digtable->fa_lowthresh) {
362 if ((digtable->back_val + 2) >
363 digtable->back_range_max)
364 digtable->back_val = digtable->back_range_max;
365 else
366 digtable->back_val += 2;
367 }
368 } else {
369 digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
370 }
371 } else {
372 /* Adjust initial gain by false alarm */
373 if (rtlpriv->falsealm_cnt.cnt_all > 1000)
374 digtable->cur_igvalue = digtable->pre_igvalue + 2;
375 else if (rtlpriv->falsealm_cnt.cnt_all > 750)
376 digtable->cur_igvalue = digtable->pre_igvalue + 1;
377 else if (rtlpriv->falsealm_cnt.cnt_all < 500)
378 digtable->cur_igvalue = digtable->pre_igvalue - 1;
379 }
380
381 /* Check initial gain by upper/lower bound */
382 if (digtable->cur_igvalue > digtable->rx_gain_max)
383 digtable->cur_igvalue = digtable->rx_gain_max;
384
385 if (digtable->cur_igvalue < digtable->rx_gain_min)
386 digtable->cur_igvalue = digtable->rx_gain_min;
387
388 rtl92c_dm_write_dig(hw);
389 }
390
rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw * hw)391 static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw)
392 {
393 static u8 initialized; /* initialized to false */
394 struct rtl_priv *rtlpriv = rtl_priv(hw);
395 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
396 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
397 long rssi_strength = rtlpriv->dm.entry_min_undec_sm_pwdb;
398 bool multi_sta = false;
399
400 if (mac->opmode == NL80211_IFTYPE_ADHOC)
401 multi_sta = true;
402
403 if (!multi_sta ||
404 dm_digtable->cursta_cstate == DIG_STA_DISCONNECT) {
405 initialized = false;
406 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
407 return;
408 } else if (initialized == false) {
409 initialized = true;
410 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
411 dm_digtable->cur_igvalue = 0x20;
412 rtl92c_dm_write_dig(hw);
413 }
414
415 if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) {
416 if ((rssi_strength < dm_digtable->rssi_lowthresh) &&
417 (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) {
418
419 if (dm_digtable->dig_ext_port_stage ==
420 DIG_EXT_PORT_STAGE_2) {
421 dm_digtable->cur_igvalue = 0x20;
422 rtl92c_dm_write_dig(hw);
423 }
424
425 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_1;
426 } else if (rssi_strength > dm_digtable->rssi_highthresh) {
427 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_2;
428 rtl92c_dm_ctrl_initgain_by_fa(hw);
429 }
430 } else if (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) {
431 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0;
432 dm_digtable->cur_igvalue = 0x20;
433 rtl92c_dm_write_dig(hw);
434 }
435
436 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
437 "curmultista_cstate = %x dig_ext_port_stage %x\n",
438 dm_digtable->curmultista_cstate,
439 dm_digtable->dig_ext_port_stage);
440 }
441
rtl92c_dm_initial_gain_sta(struct ieee80211_hw * hw)442 static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw)
443 {
444 struct rtl_priv *rtlpriv = rtl_priv(hw);
445 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
446
447 RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
448 "presta_cstate = %x, cursta_cstate = %x\n",
449 dm_digtable->presta_cstate, dm_digtable->cursta_cstate);
450 if (dm_digtable->presta_cstate == dm_digtable->cursta_cstate ||
451 dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT ||
452 dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
453
454 if (dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) {
455 dm_digtable->rssi_val_min =
456 rtl92c_dm_initial_gain_min_pwdb(hw);
457 if (dm_digtable->rssi_val_min > 100)
458 dm_digtable->rssi_val_min = 100;
459 rtl92c_dm_ctrl_initgain_by_rssi(hw);
460 }
461 } else {
462 dm_digtable->rssi_val_min = 0;
463 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
464 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
465 dm_digtable->cur_igvalue = 0x20;
466 dm_digtable->pre_igvalue = 0;
467 rtl92c_dm_write_dig(hw);
468 }
469 }
470
rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw * hw)471 static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
472 {
473 struct rtl_priv *rtlpriv = rtl_priv(hw);
474 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
475
476 if (dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
477 dm_digtable->rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw);
478 if (dm_digtable->rssi_val_min > 100)
479 dm_digtable->rssi_val_min = 100;
480
481 if (dm_digtable->pre_cck_pd_state == CCK_PD_STAGE_LOWRSSI) {
482 if (dm_digtable->rssi_val_min <= 25)
483 dm_digtable->cur_cck_pd_state =
484 CCK_PD_STAGE_LOWRSSI;
485 else
486 dm_digtable->cur_cck_pd_state =
487 CCK_PD_STAGE_HIGHRSSI;
488 } else {
489 if (dm_digtable->rssi_val_min <= 20)
490 dm_digtable->cur_cck_pd_state =
491 CCK_PD_STAGE_LOWRSSI;
492 else
493 dm_digtable->cur_cck_pd_state =
494 CCK_PD_STAGE_HIGHRSSI;
495 }
496 } else {
497 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX;
498 }
499
500 if (dm_digtable->pre_cck_pd_state != dm_digtable->cur_cck_pd_state) {
501 if ((dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_LOWRSSI) ||
502 (dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_MAX))
503 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0x83);
504 else
505 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
506
507 dm_digtable->pre_cck_pd_state = dm_digtable->cur_cck_pd_state;
508 }
509 }
510
rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw * hw)511 static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
512 {
513 struct rtl_priv *rtlpriv = rtl_priv(hw);
514 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
515 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
516
517 if (mac->act_scanning)
518 return;
519
520 if (mac->link_state >= MAC80211_LINKED)
521 dm_digtable->cursta_cstate = DIG_STA_CONNECT;
522 else
523 dm_digtable->cursta_cstate = DIG_STA_DISCONNECT;
524
525 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
526
527 rtl92c_dm_initial_gain_sta(hw);
528 rtl92c_dm_initial_gain_multi_sta(hw);
529 rtl92c_dm_cck_packet_detection_thresh(hw);
530
531 dm_digtable->presta_cstate = dm_digtable->cursta_cstate;
532
533 }
534
rtl92c_dm_dig(struct ieee80211_hw * hw)535 static void rtl92c_dm_dig(struct ieee80211_hw *hw)
536 {
537 struct rtl_priv *rtlpriv = rtl_priv(hw);
538
539 if (rtlpriv->dm.dm_initialgain_enable == false)
540 return;
541 if (!(rtlpriv->dm.dm_flag & DYNAMIC_FUNC_DIG))
542 return;
543
544 rtl92c_dm_ctrl_initgain_by_twoport(hw);
545 }
546
rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw * hw)547 static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
548 {
549 struct rtl_priv *rtlpriv = rtl_priv(hw);
550
551 if (rtlpriv->rtlhal.interface == INTF_USB &&
552 rtlpriv->rtlhal.board_type & 0x1) {
553 dm_savepowerindex(hw);
554 rtlpriv->dm.dynamic_txpower_enable = true;
555 } else {
556 rtlpriv->dm.dynamic_txpower_enable = false;
557 }
558 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
559 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
560 }
561
rtl92c_dm_write_dig(struct ieee80211_hw * hw)562 void rtl92c_dm_write_dig(struct ieee80211_hw *hw)
563 {
564 struct rtl_priv *rtlpriv = rtl_priv(hw);
565 struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
566
567 RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
568 "cur_igvalue = 0x%x, pre_igvalue = 0x%x, back_val = %d\n",
569 dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
570 dm_digtable->back_val);
571
572 if (rtlpriv->rtlhal.interface == INTF_USB &&
573 !dm_digtable->dig_enable_flag) {
574 dm_digtable->pre_igvalue = 0x17;
575 return;
576 }
577 dm_digtable->cur_igvalue -= 1;
578 if (dm_digtable->cur_igvalue < DM_DIG_MIN)
579 dm_digtable->cur_igvalue = DM_DIG_MIN;
580
581 if (dm_digtable->pre_igvalue != dm_digtable->cur_igvalue) {
582 rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
583 dm_digtable->cur_igvalue);
584 rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f,
585 dm_digtable->cur_igvalue);
586
587 dm_digtable->pre_igvalue = dm_digtable->cur_igvalue;
588 }
589 RT_TRACE(rtlpriv, COMP_DIG, DBG_WARNING,
590 "dig values 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
591 dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
592 dm_digtable->rssi_val_min, dm_digtable->back_val,
593 dm_digtable->rx_gain_max, dm_digtable->rx_gain_min,
594 dm_digtable->large_fa_hit, dm_digtable->forbidden_igi);
595 }
596 EXPORT_SYMBOL(rtl92c_dm_write_dig);
597
rtl92c_dm_pwdb_monitor(struct ieee80211_hw * hw)598 static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw)
599 {
600 struct rtl_priv *rtlpriv = rtl_priv(hw);
601 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
602 long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff;
603
604 if (mac->link_state != MAC80211_LINKED)
605 return;
606
607 if (mac->opmode == NL80211_IFTYPE_ADHOC ||
608 mac->opmode == NL80211_IFTYPE_AP) {
609 /* TODO: Handle ADHOC and AP Mode */
610 }
611
612 if (tmpentry_max_pwdb != 0)
613 rtlpriv->dm.entry_max_undec_sm_pwdb = tmpentry_max_pwdb;
614 else
615 rtlpriv->dm.entry_max_undec_sm_pwdb = 0;
616
617 if (tmpentry_min_pwdb != 0xff)
618 rtlpriv->dm.entry_min_undec_sm_pwdb = tmpentry_min_pwdb;
619 else
620 rtlpriv->dm.entry_min_undec_sm_pwdb = 0;
621
622 /* TODO:
623 * if (mac->opmode == NL80211_IFTYPE_STATION) {
624 * if (rtlpriv->rtlhal.fw_ready) {
625 * u32 param = (u32)(rtlpriv->dm.undec_sm_pwdb << 16);
626 * rtl8192c_set_rssi_cmd(hw, param);
627 * }
628 * }
629 */
630 }
631
rtl92c_dm_init_edca_turbo(struct ieee80211_hw * hw)632 void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw)
633 {
634 struct rtl_priv *rtlpriv = rtl_priv(hw);
635 rtlpriv->dm.current_turbo_edca = false;
636 rtlpriv->dm.is_any_nonbepkts = false;
637 rtlpriv->dm.is_cur_rdlstate = false;
638 }
639 EXPORT_SYMBOL(rtl92c_dm_init_edca_turbo);
640
rtl92c_dm_check_edca_turbo(struct ieee80211_hw * hw)641 static void rtl92c_dm_check_edca_turbo(struct ieee80211_hw *hw)
642 {
643 struct rtl_priv *rtlpriv = rtl_priv(hw);
644 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
645 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
646
647 static u64 last_txok_cnt;
648 static u64 last_rxok_cnt;
649 static u32 last_bt_edca_ul;
650 static u32 last_bt_edca_dl;
651 u64 cur_txok_cnt = 0;
652 u64 cur_rxok_cnt = 0;
653 u32 edca_be_ul = 0x5ea42b;
654 u32 edca_be_dl = 0x5ea42b;
655 bool bt_change_edca = false;
656
657 if ((last_bt_edca_ul != rtlpcipriv->bt_coexist.bt_edca_ul) ||
658 (last_bt_edca_dl != rtlpcipriv->bt_coexist.bt_edca_dl)) {
659 rtlpriv->dm.current_turbo_edca = false;
660 last_bt_edca_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
661 last_bt_edca_dl = rtlpcipriv->bt_coexist.bt_edca_dl;
662 }
663
664 if (rtlpcipriv->bt_coexist.bt_edca_ul != 0) {
665 edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_ul;
666 bt_change_edca = true;
667 }
668
669 if (rtlpcipriv->bt_coexist.bt_edca_dl != 0) {
670 edca_be_ul = rtlpcipriv->bt_coexist.bt_edca_dl;
671 bt_change_edca = true;
672 }
673
674 if (mac->link_state != MAC80211_LINKED) {
675 rtlpriv->dm.current_turbo_edca = false;
676 return;
677 }
678
679 if ((!mac->ht_enable) && (!rtlpcipriv->bt_coexist.bt_coexistence)) {
680 if (!(edca_be_ul & 0xffff0000))
681 edca_be_ul |= 0x005e0000;
682
683 if (!(edca_be_dl & 0xffff0000))
684 edca_be_dl |= 0x005e0000;
685 }
686
687 if ((bt_change_edca) || ((!rtlpriv->dm.is_any_nonbepkts) &&
688 (!rtlpriv->dm.disable_framebursting))) {
689
690 cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
691 cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
692
693 if (cur_rxok_cnt > 4 * cur_txok_cnt) {
694 if (!rtlpriv->dm.is_cur_rdlstate ||
695 !rtlpriv->dm.current_turbo_edca) {
696 rtl_write_dword(rtlpriv,
697 REG_EDCA_BE_PARAM,
698 edca_be_dl);
699 rtlpriv->dm.is_cur_rdlstate = true;
700 }
701 } else {
702 if (rtlpriv->dm.is_cur_rdlstate ||
703 !rtlpriv->dm.current_turbo_edca) {
704 rtl_write_dword(rtlpriv,
705 REG_EDCA_BE_PARAM,
706 edca_be_ul);
707 rtlpriv->dm.is_cur_rdlstate = false;
708 }
709 }
710 rtlpriv->dm.current_turbo_edca = true;
711 } else {
712 if (rtlpriv->dm.current_turbo_edca) {
713 u8 tmp = AC0_BE;
714 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
715 &tmp);
716 rtlpriv->dm.current_turbo_edca = false;
717 }
718 }
719
720 rtlpriv->dm.is_any_nonbepkts = false;
721 last_txok_cnt = rtlpriv->stats.txbytesunicast;
722 last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
723 }
724
rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw * hw)725 static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw
726 *hw)
727 {
728 struct rtl_priv *rtlpriv = rtl_priv(hw);
729 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
730 struct rtl_phy *rtlphy = &(rtlpriv->phy);
731 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
732 u8 thermalvalue, delta, delta_lck, delta_iqk;
733 long ele_a, ele_d, temp_cck, val_x, value32;
734 long val_y, ele_c = 0;
735 u8 ofdm_index[2], ofdm_index_old[2] = {0, 0}, cck_index_old = 0;
736 s8 cck_index = 0;
737 int i;
738 bool is2t = IS_92C_SERIAL(rtlhal->version);
739 s8 txpwr_level[3] = {0, 0, 0};
740 u8 ofdm_min_index = 6, rf;
741
742 rtlpriv->dm.txpower_trackinginit = true;
743 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
744 "rtl92c_dm_txpower_tracking_callback_thermalmeter\n");
745
746 thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f);
747
748 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
749 "Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x\n",
750 thermalvalue, rtlpriv->dm.thermalvalue,
751 rtlefuse->eeprom_thermalmeter);
752
753 rtl92c_phy_ap_calibrate(hw, (thermalvalue -
754 rtlefuse->eeprom_thermalmeter));
755 if (is2t)
756 rf = 2;
757 else
758 rf = 1;
759
760 if (thermalvalue) {
761 ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
762 MASKDWORD) & MASKOFDM_D;
763
764 for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
765 if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
766 ofdm_index_old[0] = (u8) i;
767
768 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
769 "Initial pathA ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
770 ROFDM0_XATXIQIMBALANCE,
771 ele_d, ofdm_index_old[0]);
772 break;
773 }
774 }
775
776 if (is2t) {
777 ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
778 MASKDWORD) & MASKOFDM_D;
779
780 for (i = 0; i < OFDM_TABLE_LENGTH; i++) {
781 if (ele_d == (ofdmswing_table[i] &
782 MASKOFDM_D)) {
783 ofdm_index_old[1] = (u8) i;
784 RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
785 DBG_LOUD,
786 "Initial pathB ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
787 ROFDM0_XBTXIQIMBALANCE, ele_d,
788 ofdm_index_old[1]);
789 break;
790 }
791 }
792 }
793
794 temp_cck =
795 rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK;
796
797 for (i = 0; i < CCK_TABLE_LENGTH; i++) {
798 if (rtlpriv->dm.cck_inch14) {
799 if (memcmp((void *)&temp_cck,
800 (void *)&cckswing_table_ch14[i][2],
801 4) == 0) {
802 cck_index_old = (u8) i;
803
804 RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
805 DBG_LOUD,
806 "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch 14 %d\n",
807 RCCK0_TXFILTER2, temp_cck,
808 cck_index_old,
809 rtlpriv->dm.cck_inch14);
810 break;
811 }
812 } else {
813 if (memcmp((void *)&temp_cck,
814 (void *)
815 &cckswing_table_ch1ch13[i][2],
816 4) == 0) {
817 cck_index_old = (u8) i;
818
819 RT_TRACE(rtlpriv, COMP_POWER_TRACKING,
820 DBG_LOUD,
821 "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch14 %d\n",
822 RCCK0_TXFILTER2, temp_cck,
823 cck_index_old,
824 rtlpriv->dm.cck_inch14);
825 break;
826 }
827 }
828 }
829
830 if (!rtlpriv->dm.thermalvalue) {
831 rtlpriv->dm.thermalvalue =
832 rtlefuse->eeprom_thermalmeter;
833 rtlpriv->dm.thermalvalue_lck = thermalvalue;
834 rtlpriv->dm.thermalvalue_iqk = thermalvalue;
835 for (i = 0; i < rf; i++)
836 rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
837 rtlpriv->dm.cck_index = cck_index_old;
838 }
839 /* Handle USB High PA boards */
840
841 delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
842 (thermalvalue - rtlpriv->dm.thermalvalue) :
843 (rtlpriv->dm.thermalvalue - thermalvalue);
844
845 delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ?
846 (thermalvalue - rtlpriv->dm.thermalvalue_lck) :
847 (rtlpriv->dm.thermalvalue_lck - thermalvalue);
848
849 delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ?
850 (thermalvalue - rtlpriv->dm.thermalvalue_iqk) :
851 (rtlpriv->dm.thermalvalue_iqk - thermalvalue);
852
853 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
854 "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",
855 thermalvalue, rtlpriv->dm.thermalvalue,
856 rtlefuse->eeprom_thermalmeter, delta, delta_lck,
857 delta_iqk);
858
859 if (delta_lck > 1) {
860 rtlpriv->dm.thermalvalue_lck = thermalvalue;
861 rtl92c_phy_lc_calibrate(hw);
862 }
863
864 if (delta > 0 && rtlpriv->dm.txpower_track_control) {
865 if (thermalvalue > rtlpriv->dm.thermalvalue) {
866 for (i = 0; i < rf; i++)
867 rtlpriv->dm.ofdm_index[i] -= delta;
868 rtlpriv->dm.cck_index -= delta;
869 } else {
870 for (i = 0; i < rf; i++)
871 rtlpriv->dm.ofdm_index[i] += delta;
872 rtlpriv->dm.cck_index += delta;
873 }
874
875 if (is2t) {
876 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
877 "temp OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
878 rtlpriv->dm.ofdm_index[0],
879 rtlpriv->dm.ofdm_index[1],
880 rtlpriv->dm.cck_index);
881 } else {
882 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
883 "temp OFDM_A_index=0x%x, cck_index=0x%x\n",
884 rtlpriv->dm.ofdm_index[0],
885 rtlpriv->dm.cck_index);
886 }
887
888 if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
889 for (i = 0; i < rf; i++)
890 ofdm_index[i] =
891 rtlpriv->dm.ofdm_index[i]
892 + 1;
893 cck_index = rtlpriv->dm.cck_index + 1;
894 } else {
895 for (i = 0; i < rf; i++)
896 ofdm_index[i] =
897 rtlpriv->dm.ofdm_index[i];
898 cck_index = rtlpriv->dm.cck_index;
899 }
900
901 for (i = 0; i < rf; i++) {
902 if (txpwr_level[i] >= 0 &&
903 txpwr_level[i] <= 26) {
904 if (thermalvalue >
905 rtlefuse->eeprom_thermalmeter) {
906 if (delta < 5)
907 ofdm_index[i] -= 1;
908
909 else
910 ofdm_index[i] -= 2;
911 } else if (delta > 5 && thermalvalue <
912 rtlefuse->
913 eeprom_thermalmeter) {
914 ofdm_index[i] += 1;
915 }
916 } else if (txpwr_level[i] >= 27 &&
917 txpwr_level[i] <= 32
918 && thermalvalue >
919 rtlefuse->eeprom_thermalmeter) {
920 if (delta < 5)
921 ofdm_index[i] -= 1;
922
923 else
924 ofdm_index[i] -= 2;
925 } else if (txpwr_level[i] >= 32 &&
926 txpwr_level[i] <= 38 &&
927 thermalvalue >
928 rtlefuse->eeprom_thermalmeter
929 && delta > 5) {
930 ofdm_index[i] -= 1;
931 }
932 }
933
934 if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) {
935 if (thermalvalue >
936 rtlefuse->eeprom_thermalmeter) {
937 if (delta < 5)
938 cck_index -= 1;
939
940 else
941 cck_index -= 2;
942 } else if (delta > 5 && thermalvalue <
943 rtlefuse->eeprom_thermalmeter) {
944 cck_index += 1;
945 }
946 } else if (txpwr_level[i] >= 27 &&
947 txpwr_level[i] <= 32 &&
948 thermalvalue >
949 rtlefuse->eeprom_thermalmeter) {
950 if (delta < 5)
951 cck_index -= 1;
952
953 else
954 cck_index -= 2;
955 } else if (txpwr_level[i] >= 32 &&
956 txpwr_level[i] <= 38 &&
957 thermalvalue > rtlefuse->eeprom_thermalmeter
958 && delta > 5) {
959 cck_index -= 1;
960 }
961
962 for (i = 0; i < rf; i++) {
963 if (ofdm_index[i] > OFDM_TABLE_SIZE - 1)
964 ofdm_index[i] = OFDM_TABLE_SIZE - 1;
965
966 else if (ofdm_index[i] < ofdm_min_index)
967 ofdm_index[i] = ofdm_min_index;
968 }
969
970 if (cck_index > CCK_TABLE_SIZE - 1)
971 cck_index = CCK_TABLE_SIZE - 1;
972 else if (cck_index < 0)
973 cck_index = 0;
974
975 if (is2t) {
976 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
977 "new OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n",
978 ofdm_index[0], ofdm_index[1],
979 cck_index);
980 } else {
981 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
982 "new OFDM_A_index=0x%x, cck_index=0x%x\n",
983 ofdm_index[0], cck_index);
984 }
985 }
986
987 if (rtlpriv->dm.txpower_track_control && delta != 0) {
988 ele_d =
989 (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
990 val_x = rtlphy->reg_e94;
991 val_y = rtlphy->reg_e9c;
992
993 if (val_x != 0) {
994 if ((val_x & 0x00000200) != 0)
995 val_x = val_x | 0xFFFFFC00;
996 ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
997
998 if ((val_y & 0x00000200) != 0)
999 val_y = val_y | 0xFFFFFC00;
1000 ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;
1001
1002 value32 = (ele_d << 22) |
1003 ((ele_c & 0x3F) << 16) | ele_a;
1004
1005 rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
1006 MASKDWORD, value32);
1007
1008 value32 = (ele_c & 0x000003C0) >> 6;
1009 rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
1010 value32);
1011
1012 value32 = ((val_x * ele_d) >> 7) & 0x01;
1013 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1014 BIT(31), value32);
1015
1016 value32 = ((val_y * ele_d) >> 7) & 0x01;
1017 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1018 BIT(29), value32);
1019 } else {
1020 rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
1021 MASKDWORD,
1022 ofdmswing_table[ofdm_index[0]]);
1023
1024 rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS,
1025 0x00);
1026 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1027 BIT(31) | BIT(29), 0x00);
1028 }
1029
1030 if (!rtlpriv->dm.cck_inch14) {
1031 rtl_write_byte(rtlpriv, 0xa22,
1032 cckswing_table_ch1ch13[cck_index]
1033 [0]);
1034 rtl_write_byte(rtlpriv, 0xa23,
1035 cckswing_table_ch1ch13[cck_index]
1036 [1]);
1037 rtl_write_byte(rtlpriv, 0xa24,
1038 cckswing_table_ch1ch13[cck_index]
1039 [2]);
1040 rtl_write_byte(rtlpriv, 0xa25,
1041 cckswing_table_ch1ch13[cck_index]
1042 [3]);
1043 rtl_write_byte(rtlpriv, 0xa26,
1044 cckswing_table_ch1ch13[cck_index]
1045 [4]);
1046 rtl_write_byte(rtlpriv, 0xa27,
1047 cckswing_table_ch1ch13[cck_index]
1048 [5]);
1049 rtl_write_byte(rtlpriv, 0xa28,
1050 cckswing_table_ch1ch13[cck_index]
1051 [6]);
1052 rtl_write_byte(rtlpriv, 0xa29,
1053 cckswing_table_ch1ch13[cck_index]
1054 [7]);
1055 } else {
1056 rtl_write_byte(rtlpriv, 0xa22,
1057 cckswing_table_ch14[cck_index]
1058 [0]);
1059 rtl_write_byte(rtlpriv, 0xa23,
1060 cckswing_table_ch14[cck_index]
1061 [1]);
1062 rtl_write_byte(rtlpriv, 0xa24,
1063 cckswing_table_ch14[cck_index]
1064 [2]);
1065 rtl_write_byte(rtlpriv, 0xa25,
1066 cckswing_table_ch14[cck_index]
1067 [3]);
1068 rtl_write_byte(rtlpriv, 0xa26,
1069 cckswing_table_ch14[cck_index]
1070 [4]);
1071 rtl_write_byte(rtlpriv, 0xa27,
1072 cckswing_table_ch14[cck_index]
1073 [5]);
1074 rtl_write_byte(rtlpriv, 0xa28,
1075 cckswing_table_ch14[cck_index]
1076 [6]);
1077 rtl_write_byte(rtlpriv, 0xa29,
1078 cckswing_table_ch14[cck_index]
1079 [7]);
1080 }
1081
1082 if (is2t) {
1083 ele_d = (ofdmswing_table[ofdm_index[1]] &
1084 0xFFC00000) >> 22;
1085
1086 val_x = rtlphy->reg_eb4;
1087 val_y = rtlphy->reg_ebc;
1088
1089 if (val_x != 0) {
1090 if ((val_x & 0x00000200) != 0)
1091 val_x = val_x | 0xFFFFFC00;
1092 ele_a = ((val_x * ele_d) >> 8) &
1093 0x000003FF;
1094
1095 if ((val_y & 0x00000200) != 0)
1096 val_y = val_y | 0xFFFFFC00;
1097 ele_c = ((val_y * ele_d) >> 8) &
1098 0x00003FF;
1099
1100 value32 = (ele_d << 22) |
1101 ((ele_c & 0x3F) << 16) | ele_a;
1102 rtl_set_bbreg(hw,
1103 ROFDM0_XBTXIQIMBALANCE,
1104 MASKDWORD, value32);
1105
1106 value32 = (ele_c & 0x000003C0) >> 6;
1107 rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
1108 MASKH4BITS, value32);
1109
1110 value32 = ((val_x * ele_d) >> 7) & 0x01;
1111 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1112 BIT(27), value32);
1113
1114 value32 = ((val_y * ele_d) >> 7) & 0x01;
1115 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1116 BIT(25), value32);
1117 } else {
1118 rtl_set_bbreg(hw,
1119 ROFDM0_XBTXIQIMBALANCE,
1120 MASKDWORD,
1121 ofdmswing_table[ofdm_index
1122 [1]]);
1123 rtl_set_bbreg(hw, ROFDM0_XDTXAFE,
1124 MASKH4BITS, 0x00);
1125 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD,
1126 BIT(27) | BIT(25), 0x00);
1127 }
1128
1129 }
1130 }
1131
1132 if (delta_iqk > 3) {
1133 rtlpriv->dm.thermalvalue_iqk = thermalvalue;
1134 rtl92c_phy_iq_calibrate(hw, false);
1135 }
1136
1137 if (rtlpriv->dm.txpower_track_control)
1138 rtlpriv->dm.thermalvalue = thermalvalue;
1139 }
1140
1141 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===\n");
1142
1143 }
1144
rtl92c_dm_initialize_txpower_tracking_thermalmeter(struct ieee80211_hw * hw)1145 static void rtl92c_dm_initialize_txpower_tracking_thermalmeter(
1146 struct ieee80211_hw *hw)
1147 {
1148 struct rtl_priv *rtlpriv = rtl_priv(hw);
1149
1150 rtlpriv->dm.txpower_tracking = true;
1151 rtlpriv->dm.txpower_trackinginit = false;
1152
1153 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
1154 "pMgntInfo->txpower_tracking = %d\n",
1155 rtlpriv->dm.txpower_tracking);
1156 }
1157
rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw * hw)1158 static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
1159 {
1160 rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw);
1161 }
1162
rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw * hw)1163 static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw)
1164 {
1165 rtl92c_dm_txpower_tracking_callback_thermalmeter(hw);
1166 }
1167
rtl92c_dm_check_txpower_tracking_thermal_meter(struct ieee80211_hw * hw)1168 static void rtl92c_dm_check_txpower_tracking_thermal_meter(
1169 struct ieee80211_hw *hw)
1170 {
1171 struct rtl_priv *rtlpriv = rtl_priv(hw);
1172 static u8 tm_trigger;
1173
1174 if (!rtlpriv->dm.txpower_tracking)
1175 return;
1176
1177 if (!tm_trigger) {
1178 rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK,
1179 0x60);
1180 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
1181 "Trigger 92S Thermal Meter!!\n");
1182 tm_trigger = 1;
1183 return;
1184 } else {
1185 RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
1186 "Schedule TxPowerTracking direct call!!\n");
1187 rtl92c_dm_txpower_tracking_directcall(hw);
1188 tm_trigger = 0;
1189 }
1190 }
1191
rtl92c_dm_check_txpower_tracking(struct ieee80211_hw * hw)1192 void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw)
1193 {
1194 rtl92c_dm_check_txpower_tracking_thermal_meter(hw);
1195 }
1196 EXPORT_SYMBOL(rtl92c_dm_check_txpower_tracking);
1197
rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw * hw)1198 void rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
1199 {
1200 struct rtl_priv *rtlpriv = rtl_priv(hw);
1201 struct rate_adaptive *p_ra = &(rtlpriv->ra);
1202
1203 p_ra->ratr_state = DM_RATR_STA_INIT;
1204 p_ra->pre_ratr_state = DM_RATR_STA_INIT;
1205
1206 if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
1207 rtlpriv->dm.useramask = true;
1208 else
1209 rtlpriv->dm.useramask = false;
1210
1211 }
1212 EXPORT_SYMBOL(rtl92c_dm_init_rate_adaptive_mask);
1213
rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw * hw)1214 static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw)
1215 {
1216 struct rtl_priv *rtlpriv = rtl_priv(hw);
1217 struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
1218
1219 dm_pstable->pre_ccastate = CCA_MAX;
1220 dm_pstable->cur_ccasate = CCA_MAX;
1221 dm_pstable->pre_rfstate = RF_MAX;
1222 dm_pstable->cur_rfstate = RF_MAX;
1223 dm_pstable->rssi_val_min = 0;
1224 }
1225
rtl92c_dm_rf_saving(struct ieee80211_hw * hw,u8 bforce_in_normal)1226 void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal)
1227 {
1228 struct rtl_priv *rtlpriv = rtl_priv(hw);
1229 struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
1230
1231 if (!rtlpriv->reg_init) {
1232 rtlpriv->reg_874 = (rtl_get_bbreg(hw,
1233 RFPGA0_XCD_RFINTERFACESW,
1234 MASKDWORD) & 0x1CC000) >> 14;
1235
1236 rtlpriv->reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
1237 MASKDWORD) & BIT(3)) >> 3;
1238
1239 rtlpriv->reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
1240 MASKDWORD) & 0xFF000000) >> 24;
1241
1242 rtlpriv->reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) &
1243 0xF000) >> 12;
1244
1245 rtlpriv->reg_init = true;
1246 }
1247
1248 if (!bforce_in_normal) {
1249 if (dm_pstable->rssi_val_min != 0) {
1250 if (dm_pstable->pre_rfstate == RF_NORMAL) {
1251 if (dm_pstable->rssi_val_min >= 30)
1252 dm_pstable->cur_rfstate = RF_SAVE;
1253 else
1254 dm_pstable->cur_rfstate = RF_NORMAL;
1255 } else {
1256 if (dm_pstable->rssi_val_min <= 25)
1257 dm_pstable->cur_rfstate = RF_NORMAL;
1258 else
1259 dm_pstable->cur_rfstate = RF_SAVE;
1260 }
1261 } else {
1262 dm_pstable->cur_rfstate = RF_MAX;
1263 }
1264 } else {
1265 dm_pstable->cur_rfstate = RF_NORMAL;
1266 }
1267
1268 if (dm_pstable->pre_rfstate != dm_pstable->cur_rfstate) {
1269 if (dm_pstable->cur_rfstate == RF_SAVE) {
1270 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1271 0x1C0000, 0x2);
1272 rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0);
1273 rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
1274 0xFF000000, 0x63);
1275 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1276 0xC000, 0x2);
1277 rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3);
1278 rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
1279 rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
1280 } else {
1281 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
1282 0x1CC000, rtlpriv->reg_874);
1283 rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
1284 rtlpriv->reg_c70);
1285 rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
1286 rtlpriv->reg_85c);
1287 rtl_set_bbreg(hw, 0xa74, 0xF000, rtlpriv->reg_a74);
1288 rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
1289 }
1290
1291 dm_pstable->pre_rfstate = dm_pstable->cur_rfstate;
1292 }
1293 }
1294 EXPORT_SYMBOL(rtl92c_dm_rf_saving);
1295
rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw * hw)1296 static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw)
1297 {
1298 struct rtl_priv *rtlpriv = rtl_priv(hw);
1299 struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
1300 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1301 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1302
1303 /* Determine the minimum RSSI */
1304 if (((mac->link_state == MAC80211_NOLINK)) &&
1305 (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
1306 dm_pstable->rssi_val_min = 0;
1307 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD, "Not connected to any\n");
1308 }
1309
1310 if (mac->link_state == MAC80211_LINKED) {
1311 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
1312 dm_pstable->rssi_val_min =
1313 rtlpriv->dm.entry_min_undec_sm_pwdb;
1314 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
1315 "AP Client PWDB = 0x%lx\n",
1316 dm_pstable->rssi_val_min);
1317 } else {
1318 dm_pstable->rssi_val_min = rtlpriv->dm.undec_sm_pwdb;
1319 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
1320 "STA Default Port PWDB = 0x%lx\n",
1321 dm_pstable->rssi_val_min);
1322 }
1323 } else {
1324 dm_pstable->rssi_val_min =
1325 rtlpriv->dm.entry_min_undec_sm_pwdb;
1326
1327 RT_TRACE(rtlpriv, DBG_LOUD, DBG_LOUD,
1328 "AP Ext Port PWDB = 0x%lx\n",
1329 dm_pstable->rssi_val_min);
1330 }
1331
1332 /* Power Saving for 92C */
1333 if (IS_92C_SERIAL(rtlhal->version))
1334 ;/* rtl92c_dm_1r_cca(hw); */
1335 else
1336 rtl92c_dm_rf_saving(hw, false);
1337 }
1338
rtl92c_dm_init(struct ieee80211_hw * hw)1339 void rtl92c_dm_init(struct ieee80211_hw *hw)
1340 {
1341 struct rtl_priv *rtlpriv = rtl_priv(hw);
1342
1343 rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
1344 rtlpriv->dm.dm_flag = DYNAMIC_FUNC_DISABLE | DYNAMIC_FUNC_DIG;
1345 rtlpriv->dm.undec_sm_pwdb = -1;
1346 rtlpriv->dm.undec_sm_cck = -1;
1347 rtlpriv->dm.dm_initialgain_enable = true;
1348 rtl_dm_diginit(hw, 0x20);
1349
1350 rtlpriv->dm.dm_flag |= HAL_DM_HIPWR_DISABLE;
1351 rtl92c_dm_init_dynamic_txpower(hw);
1352
1353 rtl92c_dm_init_edca_turbo(hw);
1354 rtl92c_dm_init_rate_adaptive_mask(hw);
1355 rtlpriv->dm.dm_flag |= DYNAMIC_FUNC_SS;
1356 rtl92c_dm_initialize_txpower_tracking(hw);
1357 rtl92c_dm_init_dynamic_bb_powersaving(hw);
1358
1359 rtlpriv->dm.ofdm_pkt_cnt = 0;
1360 rtlpriv->dm.dm_rssi_sel = RSSI_DEFAULT;
1361 }
1362 EXPORT_SYMBOL(rtl92c_dm_init);
1363
rtl92c_dm_dynamic_txpower(struct ieee80211_hw * hw)1364 void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw)
1365 {
1366 struct rtl_priv *rtlpriv = rtl_priv(hw);
1367 struct rtl_phy *rtlphy = &(rtlpriv->phy);
1368 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1369 long undec_sm_pwdb;
1370
1371 if (!rtlpriv->dm.dynamic_txpower_enable)
1372 return;
1373
1374 if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) {
1375 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
1376 return;
1377 }
1378
1379 if ((mac->link_state < MAC80211_LINKED) &&
1380 (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
1381 RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
1382 "Not connected to any\n");
1383
1384 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
1385
1386 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
1387 return;
1388 }
1389
1390 if (mac->link_state >= MAC80211_LINKED) {
1391 if (mac->opmode == NL80211_IFTYPE_ADHOC) {
1392 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
1393 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
1394 "AP Client PWDB = 0x%lx\n",
1395 undec_sm_pwdb);
1396 } else {
1397 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
1398 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
1399 "STA Default Port PWDB = 0x%lx\n",
1400 undec_sm_pwdb);
1401 }
1402 } else {
1403 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
1404
1405 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
1406 "AP Ext Port PWDB = 0x%lx\n",
1407 undec_sm_pwdb);
1408 }
1409
1410 if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
1411 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL2;
1412 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
1413 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
1414 } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
1415 (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) {
1416
1417 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
1418 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
1419 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n");
1420 } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) {
1421 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
1422 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
1423 "TXHIGHPWRLEVEL_NORMAL\n");
1424 }
1425
1426 if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) {
1427 RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
1428 "PHY_SetTxPowerLevel8192S() Channel = %d\n",
1429 rtlphy->current_channel);
1430 rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
1431 if (rtlpriv->dm.dynamic_txhighpower_lvl ==
1432 TXHIGHPWRLEVEL_NORMAL)
1433 dm_restorepowerindex(hw);
1434 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
1435 TXHIGHPWRLEVEL_LEVEL1)
1436 dm_writepowerindex(hw, 0x14);
1437 else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
1438 TXHIGHPWRLEVEL_LEVEL2)
1439 dm_writepowerindex(hw, 0x10);
1440 }
1441 rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
1442 }
1443
rtl92c_dm_watchdog(struct ieee80211_hw * hw)1444 void rtl92c_dm_watchdog(struct ieee80211_hw *hw)
1445 {
1446 struct rtl_priv *rtlpriv = rtl_priv(hw);
1447 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
1448 bool fw_current_inpsmode = false;
1449 bool fw_ps_awake = true;
1450
1451 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
1452 (u8 *) (&fw_current_inpsmode));
1453 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
1454 (u8 *) (&fw_ps_awake));
1455
1456 if (ppsc->p2p_ps_info.p2p_ps_mode)
1457 fw_ps_awake = false;
1458
1459 if ((ppsc->rfpwr_state == ERFON) && ((!fw_current_inpsmode) &&
1460 fw_ps_awake)
1461 && (!ppsc->rfchange_inprogress)) {
1462 rtl92c_dm_pwdb_monitor(hw);
1463 rtl92c_dm_dig(hw);
1464 rtl92c_dm_false_alarm_counter_statistics(hw);
1465 rtl92c_dm_dynamic_bb_powersaving(hw);
1466 rtl92c_dm_dynamic_txpower(hw);
1467 rtl92c_dm_check_txpower_tracking(hw);
1468 /* rtl92c_dm_refresh_rate_adaptive_mask(hw); */
1469 rtl92c_dm_bt_coexist(hw);
1470 rtl92c_dm_check_edca_turbo(hw);
1471 }
1472 }
1473 EXPORT_SYMBOL(rtl92c_dm_watchdog);
1474
rtl92c_bt_rssi_state_change(struct ieee80211_hw * hw)1475 u8 rtl92c_bt_rssi_state_change(struct ieee80211_hw *hw)
1476 {
1477 struct rtl_priv *rtlpriv = rtl_priv(hw);
1478 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1479 long undec_sm_pwdb;
1480 u8 curr_bt_rssi_state = 0x00;
1481
1482 if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
1483 undec_sm_pwdb = GET_UNDECORATED_AVERAGE_RSSI(rtlpriv);
1484 } else {
1485 if (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)
1486 undec_sm_pwdb = 100;
1487 else
1488 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb;
1489 }
1490
1491 /* Check RSSI to determine HighPower/NormalPower state for
1492 * BT coexistence. */
1493 if (undec_sm_pwdb >= 67)
1494 curr_bt_rssi_state &= (~BT_RSSI_STATE_NORMAL_POWER);
1495 else if (undec_sm_pwdb < 62)
1496 curr_bt_rssi_state |= BT_RSSI_STATE_NORMAL_POWER;
1497
1498 /* Check RSSI to determine AMPDU setting for BT coexistence. */
1499 if (undec_sm_pwdb >= 40)
1500 curr_bt_rssi_state &= (~BT_RSSI_STATE_AMDPU_OFF);
1501 else if (undec_sm_pwdb <= 32)
1502 curr_bt_rssi_state |= BT_RSSI_STATE_AMDPU_OFF;
1503
1504 /* Marked RSSI state. It will be used to determine BT coexistence
1505 * setting later. */
1506 if (undec_sm_pwdb < 35)
1507 curr_bt_rssi_state |= BT_RSSI_STATE_SPECIAL_LOW;
1508 else
1509 curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW);
1510
1511 /* Check BT state related to BT_Idle in B/G mode. */
1512 if (undec_sm_pwdb < 15)
1513 curr_bt_rssi_state |= BT_RSSI_STATE_BG_EDCA_LOW;
1514 else
1515 curr_bt_rssi_state &= (~BT_RSSI_STATE_BG_EDCA_LOW);
1516
1517 if (curr_bt_rssi_state != rtlpcipriv->bt_coexist.bt_rssi_state) {
1518 rtlpcipriv->bt_coexist.bt_rssi_state = curr_bt_rssi_state;
1519 return true;
1520 } else {
1521 return false;
1522 }
1523 }
1524 EXPORT_SYMBOL(rtl92c_bt_rssi_state_change);
1525
rtl92c_bt_state_change(struct ieee80211_hw * hw)1526 static bool rtl92c_bt_state_change(struct ieee80211_hw *hw)
1527 {
1528 struct rtl_priv *rtlpriv = rtl_priv(hw);
1529 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1530
1531 u32 polling, ratio_tx, ratio_pri;
1532 u32 bt_tx, bt_pri;
1533 u8 bt_state;
1534 u8 cur_service_type;
1535
1536 if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
1537 return false;
1538
1539 bt_state = rtl_read_byte(rtlpriv, 0x4fd);
1540 bt_tx = rtl_read_dword(rtlpriv, 0x488);
1541 bt_tx = bt_tx & 0x00ffffff;
1542 bt_pri = rtl_read_dword(rtlpriv, 0x48c);
1543 bt_pri = bt_pri & 0x00ffffff;
1544 polling = rtl_read_dword(rtlpriv, 0x490);
1545
1546 if (bt_tx == 0xffffffff && bt_pri == 0xffffffff &&
1547 polling == 0xffffffff && bt_state == 0xff)
1548 return false;
1549
1550 bt_state &= BIT_OFFSET_LEN_MASK_32(0, 1);
1551 if (bt_state != rtlpcipriv->bt_coexist.bt_cur_state) {
1552 rtlpcipriv->bt_coexist.bt_cur_state = bt_state;
1553
1554 if (rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
1555 rtlpcipriv->bt_coexist.bt_service = BT_IDLE;
1556
1557 bt_state = bt_state |
1558 ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
1559 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
1560 BIT_OFFSET_LEN_MASK_32(2, 1);
1561 rtl_write_byte(rtlpriv, 0x4fd, bt_state);
1562 }
1563 return true;
1564 }
1565
1566 ratio_tx = bt_tx * 1000 / polling;
1567 ratio_pri = bt_pri * 1000 / polling;
1568 rtlpcipriv->bt_coexist.ratio_tx = ratio_tx;
1569 rtlpcipriv->bt_coexist.ratio_pri = ratio_pri;
1570
1571 if (bt_state && rtlpcipriv->bt_coexist.reg_bt_sco == 3) {
1572
1573 if ((ratio_tx < 30) && (ratio_pri < 30))
1574 cur_service_type = BT_IDLE;
1575 else if ((ratio_pri > 110) && (ratio_pri < 250))
1576 cur_service_type = BT_SCO;
1577 else if ((ratio_tx >= 200) && (ratio_pri >= 200))
1578 cur_service_type = BT_BUSY;
1579 else if ((ratio_tx >= 350) && (ratio_tx < 500))
1580 cur_service_type = BT_OTHERBUSY;
1581 else if (ratio_tx >= 500)
1582 cur_service_type = BT_PAN;
1583 else
1584 cur_service_type = BT_OTHER_ACTION;
1585
1586 if (cur_service_type != rtlpcipriv->bt_coexist.bt_service) {
1587 rtlpcipriv->bt_coexist.bt_service = cur_service_type;
1588 bt_state = bt_state |
1589 ((rtlpcipriv->bt_coexist.bt_ant_isolation == 1) ?
1590 0 : BIT_OFFSET_LEN_MASK_32(1, 1)) |
1591 ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) ?
1592 0 : BIT_OFFSET_LEN_MASK_32(2, 1));
1593
1594 /* Add interrupt migration when bt is not ini
1595 * idle state (no traffic). */
1596 if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
1597 rtl_write_word(rtlpriv, 0x504, 0x0ccc);
1598 rtl_write_byte(rtlpriv, 0x506, 0x54);
1599 rtl_write_byte(rtlpriv, 0x507, 0x54);
1600 } else {
1601 rtl_write_byte(rtlpriv, 0x506, 0x00);
1602 rtl_write_byte(rtlpriv, 0x507, 0x00);
1603 }
1604
1605 rtl_write_byte(rtlpriv, 0x4fd, bt_state);
1606 return true;
1607 }
1608 }
1609
1610 return false;
1611
1612 }
1613
rtl92c_bt_wifi_connect_change(struct ieee80211_hw * hw)1614 static bool rtl92c_bt_wifi_connect_change(struct ieee80211_hw *hw)
1615 {
1616 struct rtl_priv *rtlpriv = rtl_priv(hw);
1617 static bool media_connect;
1618
1619 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
1620 media_connect = false;
1621 } else {
1622 if (!media_connect) {
1623 media_connect = true;
1624 return true;
1625 }
1626 media_connect = true;
1627 }
1628
1629 return false;
1630 }
1631
rtl92c_bt_set_normal(struct ieee80211_hw * hw)1632 static void rtl92c_bt_set_normal(struct ieee80211_hw *hw)
1633 {
1634 struct rtl_priv *rtlpriv = rtl_priv(hw);
1635 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1636
1637
1638 if (rtlpcipriv->bt_coexist.bt_service == BT_OTHERBUSY) {
1639 rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72b;
1640 rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72b;
1641 } else if (rtlpcipriv->bt_coexist.bt_service == BT_BUSY) {
1642 rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82f;
1643 rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82f;
1644 } else if (rtlpcipriv->bt_coexist.bt_service == BT_SCO) {
1645 if (rtlpcipriv->bt_coexist.ratio_tx > 160) {
1646 rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea72f;
1647 rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea72f;
1648 } else {
1649 rtlpcipriv->bt_coexist.bt_edca_ul = 0x5ea32b;
1650 rtlpcipriv->bt_coexist.bt_edca_dl = 0x5ea42b;
1651 }
1652 } else {
1653 rtlpcipriv->bt_coexist.bt_edca_ul = 0;
1654 rtlpcipriv->bt_coexist.bt_edca_dl = 0;
1655 }
1656
1657 if ((rtlpcipriv->bt_coexist.bt_service != BT_IDLE) &&
1658 (rtlpriv->mac80211.mode == WIRELESS_MODE_G ||
1659 (rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) &&
1660 (rtlpcipriv->bt_coexist.bt_rssi_state &
1661 BT_RSSI_STATE_BG_EDCA_LOW)) {
1662 rtlpcipriv->bt_coexist.bt_edca_ul = 0x5eb82b;
1663 rtlpcipriv->bt_coexist.bt_edca_dl = 0x5eb82b;
1664 }
1665 }
1666
rtl92c_bt_ant_isolation(struct ieee80211_hw * hw,u8 tmp1byte)1667 static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw, u8 tmp1byte)
1668 {
1669 struct rtl_priv *rtlpriv = rtl_priv(hw);
1670 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1671
1672
1673 /* Only enable HW BT coexist when BT in "Busy" state. */
1674 if (rtlpriv->mac80211.vendor == PEER_CISCO &&
1675 rtlpcipriv->bt_coexist.bt_service == BT_OTHER_ACTION) {
1676 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
1677 } else {
1678 if ((rtlpcipriv->bt_coexist.bt_service == BT_BUSY) &&
1679 (rtlpcipriv->bt_coexist.bt_rssi_state &
1680 BT_RSSI_STATE_NORMAL_POWER)) {
1681 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
1682 } else if ((rtlpcipriv->bt_coexist.bt_service ==
1683 BT_OTHER_ACTION) && (rtlpriv->mac80211.mode <
1684 WIRELESS_MODE_N_24G) &&
1685 (rtlpcipriv->bt_coexist.bt_rssi_state &
1686 BT_RSSI_STATE_SPECIAL_LOW)) {
1687 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0);
1688 } else if (rtlpcipriv->bt_coexist.bt_service == BT_PAN) {
1689 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
1690 } else {
1691 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
1692 }
1693 }
1694
1695 if (rtlpcipriv->bt_coexist.bt_service == BT_PAN)
1696 rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100);
1697 else
1698 rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0);
1699
1700 if (rtlpcipriv->bt_coexist.bt_rssi_state &
1701 BT_RSSI_STATE_NORMAL_POWER) {
1702 rtl92c_bt_set_normal(hw);
1703 } else {
1704 rtlpcipriv->bt_coexist.bt_edca_ul = 0;
1705 rtlpcipriv->bt_coexist.bt_edca_dl = 0;
1706 }
1707
1708 if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
1709 rtlpriv->cfg->ops->set_rfreg(hw,
1710 RF90_PATH_A,
1711 0x1e,
1712 0xf0, 0xf);
1713 } else {
1714 rtlpriv->cfg->ops->set_rfreg(hw,
1715 RF90_PATH_A, 0x1e, 0xf0,
1716 rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
1717 }
1718
1719 if (!rtlpriv->dm.dynamic_txpower_enable) {
1720 if (rtlpcipriv->bt_coexist.bt_service != BT_IDLE) {
1721 if (rtlpcipriv->bt_coexist.bt_rssi_state &
1722 BT_RSSI_STATE_TXPOWER_LOW) {
1723 rtlpriv->dm.dynamic_txhighpower_lvl =
1724 TXHIGHPWRLEVEL_BT2;
1725 } else {
1726 rtlpriv->dm.dynamic_txhighpower_lvl =
1727 TXHIGHPWRLEVEL_BT1;
1728 }
1729 } else {
1730 rtlpriv->dm.dynamic_txhighpower_lvl =
1731 TXHIGHPWRLEVEL_NORMAL;
1732 }
1733 rtl92c_phy_set_txpower_level(hw,
1734 rtlpriv->phy.current_channel);
1735 }
1736 }
1737
rtl92c_check_bt_change(struct ieee80211_hw * hw)1738 static void rtl92c_check_bt_change(struct ieee80211_hw *hw)
1739 {
1740 struct rtl_priv *rtlpriv = rtl_priv(hw);
1741 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1742 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1743 u8 tmp1byte = 0;
1744
1745 if (IS_81XXC_VENDOR_UMC_B_CUT(rtlhal->version) &&
1746 rtlpcipriv->bt_coexist.bt_coexistence)
1747 tmp1byte |= BIT(5);
1748 if (rtlpcipriv->bt_coexist.bt_cur_state) {
1749 if (rtlpcipriv->bt_coexist.bt_ant_isolation)
1750 rtl92c_bt_ant_isolation(hw, tmp1byte);
1751 } else {
1752 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte);
1753 rtlpriv->cfg->ops->set_rfreg(hw, RF90_PATH_A, 0x1e, 0xf0,
1754 rtlpcipriv->bt_coexist.bt_rfreg_origin_1e);
1755
1756 rtlpcipriv->bt_coexist.bt_edca_ul = 0;
1757 rtlpcipriv->bt_coexist.bt_edca_dl = 0;
1758 }
1759 }
1760
rtl92c_dm_bt_coexist(struct ieee80211_hw * hw)1761 void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw)
1762 {
1763 struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1764
1765 bool wifi_connect_change;
1766 bool bt_state_change;
1767 bool rssi_state_change;
1768
1769 if ((rtlpcipriv->bt_coexist.bt_coexistence) &&
1770 (rtlpcipriv->bt_coexist.bt_coexist_type == BT_CSR_BC4)) {
1771
1772 wifi_connect_change = rtl92c_bt_wifi_connect_change(hw);
1773 bt_state_change = rtl92c_bt_state_change(hw);
1774 rssi_state_change = rtl92c_bt_rssi_state_change(hw);
1775
1776 if (wifi_connect_change || bt_state_change || rssi_state_change)
1777 rtl92c_check_bt_change(hw);
1778 }
1779 }
1780 EXPORT_SYMBOL(rtl92c_dm_bt_coexist);
1781