1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2012 Realtek Corporation.*/
3
4 #include "../wifi.h"
5 #include "../base.h"
6 #include "../core.h"
7 #include "reg.h"
8 #include "def.h"
9 #include "phy_common.h"
10 #include "dm_common.h"
11
12 static const u32 ofdmswing_table[OFDM_TABLE_SIZE_92D] = {
13 0x7f8001fe, /* 0, +6.0dB */
14 0x788001e2, /* 1, +5.5dB */
15 0x71c001c7, /* 2, +5.0dB */
16 0x6b8001ae, /* 3, +4.5dB */
17 0x65400195, /* 4, +4.0dB */
18 0x5fc0017f, /* 5, +3.5dB */
19 0x5a400169, /* 6, +3.0dB */
20 0x55400155, /* 7, +2.5dB */
21 0x50800142, /* 8, +2.0dB */
22 0x4c000130, /* 9, +1.5dB */
23 0x47c0011f, /* 10, +1.0dB */
24 0x43c0010f, /* 11, +0.5dB */
25 0x40000100, /* 12, +0dB */
26 0x3c8000f2, /* 13, -0.5dB */
27 0x390000e4, /* 14, -1.0dB */
28 0x35c000d7, /* 15, -1.5dB */
29 0x32c000cb, /* 16, -2.0dB */
30 0x300000c0, /* 17, -2.5dB */
31 0x2d4000b5, /* 18, -3.0dB */
32 0x2ac000ab, /* 19, -3.5dB */
33 0x288000a2, /* 20, -4.0dB */
34 0x26000098, /* 21, -4.5dB */
35 0x24000090, /* 22, -5.0dB */
36 0x22000088, /* 23, -5.5dB */
37 0x20000080, /* 24, -6.0dB */
38 0x1e400079, /* 25, -6.5dB */
39 0x1c800072, /* 26, -7.0dB */
40 0x1b00006c, /* 27. -7.5dB */
41 0x19800066, /* 28, -8.0dB */
42 0x18000060, /* 29, -8.5dB */
43 0x16c0005b, /* 30, -9.0dB */
44 0x15800056, /* 31, -9.5dB */
45 0x14400051, /* 32, -10.0dB */
46 0x1300004c, /* 33, -10.5dB */
47 0x12000048, /* 34, -11.0dB */
48 0x11000044, /* 35, -11.5dB */
49 0x10000040, /* 36, -12.0dB */
50 0x0f00003c, /* 37, -12.5dB */
51 0x0e400039, /* 38, -13.0dB */
52 0x0d800036, /* 39, -13.5dB */
53 0x0cc00033, /* 40, -14.0dB */
54 0x0c000030, /* 41, -14.5dB */
55 0x0b40002d, /* 42, -15.0dB */
56 };
57
58 static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = {
59 {0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04}, /* 0, +0dB */
60 {0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04}, /* 1, -0.5dB */
61 {0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03}, /* 2, -1.0dB */
62 {0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03}, /* 3, -1.5dB */
63 {0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03}, /* 4, -2.0dB */
64 {0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03}, /* 5, -2.5dB */
65 {0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03}, /* 6, -3.0dB */
66 {0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03}, /* 7, -3.5dB */
67 {0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02}, /* 8, -4.0dB */
68 {0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02}, /* 9, -4.5dB */
69 {0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02}, /* 10, -5.0dB */
70 {0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02}, /* 11, -5.5dB */
71 {0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02}, /* 12, -6.0dB */
72 {0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02}, /* 13, -6.5dB */
73 {0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02}, /* 14, -7.0dB */
74 {0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02}, /* 15, -7.5dB */
75 {0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01}, /* 16, -8.0dB */
76 {0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02}, /* 17, -8.5dB */
77 {0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01}, /* 18, -9.0dB */
78 {0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, /* 19, -9.5dB */
79 {0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, /* 20, -10.0dB */
80 {0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01}, /* 21, -10.5dB */
81 {0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01}, /* 22, -11.0dB */
82 {0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01}, /* 23, -11.5dB */
83 {0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01}, /* 24, -12.0dB */
84 {0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01}, /* 25, -12.5dB */
85 {0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01}, /* 26, -13.0dB */
86 {0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01}, /* 27, -13.5dB */
87 {0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01}, /* 28, -14.0dB */
88 {0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01}, /* 29, -14.5dB */
89 {0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01}, /* 30, -15.0dB */
90 {0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01}, /* 31, -15.5dB */
91 {0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01} /* 32, -16.0dB */
92 };
93
94 static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
95 {0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00}, /* 0, +0dB */
96 {0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00}, /* 1, -0.5dB */
97 {0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00}, /* 2, -1.0dB */
98 {0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00}, /* 3, -1.5dB */
99 {0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00}, /* 4, -2.0dB */
100 {0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00}, /* 5, -2.5dB */
101 {0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00}, /* 6, -3.0dB */
102 {0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00}, /* 7, -3.5dB */
103 {0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00}, /* 8, -4.0dB */
104 {0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00}, /* 9, -4.5dB */
105 {0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00}, /* 10, -5.0dB */
106 {0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00}, /* 11, -5.5dB */
107 {0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00}, /* 12, -6.0dB */
108 {0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00}, /* 13, -6.5dB */
109 {0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00}, /* 14, -7.0dB */
110 {0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00}, /* 15, -7.5dB */
111 {0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00}, /* 16, -8.0dB */
112 {0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00}, /* 17, -8.5dB */
113 {0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00}, /* 18, -9.0dB */
114 {0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, /* 19, -9.5dB */
115 {0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, /* 20, -10.0dB */
116 {0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00}, /* 21, -10.5dB */
117 {0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00}, /* 22, -11.0dB */
118 {0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, /* 23, -11.5dB */
119 {0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, /* 24, -12.0dB */
120 {0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 25, -12.5dB */
121 {0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 26, -13.0dB */
122 {0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 27, -13.5dB */
123 {0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 28, -14.0dB */
124 {0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 29, -14.5dB */
125 {0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 30, -15.0dB */
126 {0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 31, -15.5dB */
127 {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00} /* 32, -16.0dB */
128 };
129
rtl92d_dm_rxgain_tracking_thermalmeter(struct ieee80211_hw * hw)130 static void rtl92d_dm_rxgain_tracking_thermalmeter(struct ieee80211_hw *hw)
131 {
132 static const u8 index_mapping[RX_INDEX_MAPPING_NUM] = {
133 0x0f, 0x0f, 0x0d, 0x0c, 0x0b,
134 0x0a, 0x09, 0x08, 0x07, 0x06,
135 0x05, 0x04, 0x04, 0x03, 0x02
136 };
137 struct rtl_priv *rtlpriv = rtl_priv(hw);
138 int i, idx;
139 u32 u4tmp;
140
141 idx = rtlpriv->efuse.eeprom_thermalmeter - rtlpriv->dm.thermalvalue_rxgain;
142 u4tmp = index_mapping[idx] << 12;
143
144 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
145 "===> Rx Gain %x\n", u4tmp);
146
147 for (i = RF90_PATH_A; i < rtlpriv->phy.num_total_rfpath; i++)
148 rtl_set_rfreg(hw, i, 0x3C, RFREG_OFFSET_MASK,
149 (rtlpriv->phy.reg_rf3c[i] & ~0xF000) | u4tmp);
150 }
151
rtl92d_bandtype_2_4G(struct ieee80211_hw * hw,long * temp_cckg,u8 * cck_index_old)152 static void rtl92d_bandtype_2_4G(struct ieee80211_hw *hw, long *temp_cckg,
153 u8 *cck_index_old)
154 {
155 struct rtl_priv *rtlpriv = rtl_priv(hw);
156 unsigned long flag = 0;
157 const u8 *cckswing;
158 long temp_cck;
159 int i;
160
161 /* Query CCK default setting From 0xa24 */
162 rtl92d_acquire_cckandrw_pagea_ctl(hw, &flag);
163 temp_cck = rtl_get_bbreg(hw, RCCK0_TXFILTER2,
164 MASKDWORD) & MASKCCK;
165 rtl92d_release_cckandrw_pagea_ctl(hw, &flag);
166
167 for (i = 0; i < CCK_TABLE_LENGTH; i++) {
168 if (rtlpriv->dm.cck_inch14)
169 cckswing = &cckswing_table_ch14[i][2];
170 else
171 cckswing = &cckswing_table_ch1ch13[i][2];
172
173 if (temp_cck == le32_to_cpu(*((__le32 *)cckswing))) {
174 *cck_index_old = (u8)i;
175 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
176 "Initial reg0x%x = 0x%lx, cck_index = 0x%x, ch14 %d\n",
177 RCCK0_TXFILTER2, temp_cck,
178 *cck_index_old,
179 rtlpriv->dm.cck_inch14);
180 break;
181 }
182 }
183 *temp_cckg = temp_cck;
184 }
185
rtl92d_bandtype_5G(struct rtl_hal * rtlhal,u8 * ofdm_index,bool * internal_pa,u8 thermalvalue,u8 delta,u8 rf,struct rtl_efuse * rtlefuse,struct rtl_priv * rtlpriv,struct rtl_phy * rtlphy,const u8 index_mapping[5][INDEX_MAPPING_NUM],const u8 index_mapping_pa[8][INDEX_MAPPING_NUM])186 static void rtl92d_bandtype_5G(struct rtl_hal *rtlhal, u8 *ofdm_index,
187 bool *internal_pa, u8 thermalvalue, u8 delta,
188 u8 rf, struct rtl_efuse *rtlefuse,
189 struct rtl_priv *rtlpriv, struct rtl_phy *rtlphy,
190 const u8 index_mapping[5][INDEX_MAPPING_NUM],
191 const u8 index_mapping_pa[8][INDEX_MAPPING_NUM])
192 {
193 u8 offset = 0;
194 u8 index;
195 int i;
196
197 for (i = 0; i < rf; i++) {
198 if (rtlhal->macphymode == DUALMAC_DUALPHY &&
199 rtlhal->interfaceindex == 1) /* MAC 1 5G */
200 *internal_pa = rtlefuse->internal_pa_5g[1];
201 else
202 *internal_pa = rtlefuse->internal_pa_5g[i];
203
204 if (*internal_pa) {
205 if (rtlhal->interfaceindex == 1 || i == rf)
206 offset = 4;
207 else
208 offset = 0;
209 if (rtlphy->current_channel >= 100 &&
210 rtlphy->current_channel <= 165)
211 offset += 2;
212 } else {
213 if (rtlhal->interfaceindex == 1 || i == rf)
214 offset = 2;
215 else
216 offset = 0;
217 }
218
219 if (thermalvalue > rtlefuse->eeprom_thermalmeter)
220 offset++;
221
222 if (*internal_pa) {
223 if (delta > INDEX_MAPPING_NUM - 1)
224 index = index_mapping_pa[offset]
225 [INDEX_MAPPING_NUM - 1];
226 else
227 index =
228 index_mapping_pa[offset][delta];
229 } else {
230 if (delta > INDEX_MAPPING_NUM - 1)
231 index =
232 index_mapping[offset][INDEX_MAPPING_NUM - 1];
233 else
234 index = index_mapping[offset][delta];
235 }
236
237 if (thermalvalue > rtlefuse->eeprom_thermalmeter) {
238 if (*internal_pa && thermalvalue > 0x12) {
239 ofdm_index[i] = rtlpriv->dm.ofdm_index[i] -
240 ((delta / 2) * 3 + (delta % 2));
241 } else {
242 ofdm_index[i] -= index;
243 }
244 } else {
245 ofdm_index[i] += index;
246 }
247 }
248 }
249
250 static void
rtl92d_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw * hw)251 rtl92d_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw *hw)
252 {
253 static const u8 index_mapping[5][INDEX_MAPPING_NUM] = {
254 /* 5G, path A/MAC 0, decrease power */
255 {0, 1, 3, 6, 8, 9, 11, 13, 14, 16, 17, 18, 18},
256 /* 5G, path A/MAC 0, increase power */
257 {0, 2, 4, 5, 7, 10, 12, 14, 16, 18, 18, 18, 18},
258 /* 5G, path B/MAC 1, decrease power */
259 {0, 2, 3, 6, 8, 9, 11, 13, 14, 16, 17, 18, 18},
260 /* 5G, path B/MAC 1, increase power */
261 {0, 2, 4, 5, 7, 10, 13, 16, 16, 18, 18, 18, 18},
262 /* 2.4G, for decreas power */
263 {0, 1, 2, 3, 4, 5, 6, 7, 7, 8, 9, 10, 10},
264 };
265 static const u8 index_mapping_internal_pa[8][INDEX_MAPPING_NUM] = {
266 /* 5G, path A/MAC 0, ch36-64, decrease power */
267 {0, 1, 2, 4, 6, 7, 9, 11, 12, 14, 15, 16, 16},
268 /* 5G, path A/MAC 0, ch36-64, increase power */
269 {0, 2, 4, 5, 7, 10, 12, 14, 16, 18, 18, 18, 18},
270 /* 5G, path A/MAC 0, ch100-165, decrease power */
271 {0, 1, 2, 3, 5, 6, 8, 10, 11, 13, 14, 15, 15},
272 /* 5G, path A/MAC 0, ch100-165, increase power */
273 {0, 2, 4, 5, 7, 10, 12, 14, 16, 18, 18, 18, 18},
274 /* 5G, path B/MAC 1, ch36-64, decrease power */
275 {0, 1, 2, 4, 6, 7, 9, 11, 12, 14, 15, 16, 16},
276 /* 5G, path B/MAC 1, ch36-64, increase power */
277 {0, 2, 4, 5, 7, 10, 13, 16, 16, 18, 18, 18, 18},
278 /* 5G, path B/MAC 1, ch100-165, decrease power */
279 {0, 1, 2, 3, 5, 6, 8, 9, 10, 12, 13, 14, 14},
280 /* 5G, path B/MAC 1, ch100-165, increase power */
281 {0, 2, 4, 5, 7, 10, 13, 16, 16, 18, 18, 18, 18},
282 };
283 struct rtl_priv *rtlpriv = rtl_priv(hw);
284 struct rtl_efuse *rtlefuse = rtl_efuse(rtlpriv);
285 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
286 struct rtl_phy *rtlphy = &rtlpriv->phy;
287 struct rtl_dm *dm = &rtlpriv->dm;
288 u8 thermalvalue, delta, delta_lck, delta_iqk, delta_rxgain;
289 u8 ofdm_min_index = 6, ofdm_min_index_internal_pa = 3, rf;
290 long ele_a = 0, ele_d, temp_cck, val_x, value32;
291 bool is2t = IS_92D_SINGLEPHY(rtlhal->version);
292 u8 offset, thermalvalue_avg_count = 0;
293 u8 ofdm_index_old[2] = {0, 0};
294 u32 thermalvalue_avg = 0;
295 bool internal_pa = false;
296 long val_y, ele_c = 0;
297 s8 cck_index_old = 0;
298 u8 indexforchannel;
299 u8 ofdm_index[2];
300 s8 cck_index = 0;
301 u8 index, swing;
302 int i;
303
304 indexforchannel = rtl92d_get_rightchnlplace_for_iqk(rtlphy->current_channel);
305
306 dm->txpower_trackinginit = true;
307
308 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "\n");
309
310 thermalvalue = (u8)rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0xf800);
311
312 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
313 "Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x\n",
314 thermalvalue,
315 dm->thermalvalue, rtlefuse->eeprom_thermalmeter);
316
317 if (!thermalvalue)
318 goto exit;
319
320 if (is2t)
321 rf = 2;
322 else
323 rf = 1;
324
325 if (dm->thermalvalue && !rtlhal->reloadtxpowerindex)
326 goto old_index_done;
327
328 ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE, MASKDWORD) & MASKOFDM_D;
329
330 for (i = 0; i < OFDM_TABLE_SIZE_92D; i++) {
331 if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
332 ofdm_index_old[0] = (u8)i;
333
334 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
335 "Initial pathA ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n",
336 ROFDM0_XATXIQIMBALANCE,
337 ele_d, ofdm_index_old[0]);
338 break;
339 }
340 }
341
342 if (is2t) {
343 ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE, MASKDWORD);
344 ele_d &= MASKOFDM_D;
345
346 for (i = 0; i < OFDM_TABLE_SIZE_92D; i++) {
347 if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) {
348 ofdm_index_old[1] = (u8)i;
349
350 rtl_dbg(rtlpriv, COMP_POWER_TRACKING,
351 DBG_LOUD,
352 "Initial pathB ele_d reg 0x%x = 0x%lx, ofdm_index = 0x%x\n",
353 ROFDM0_XBTXIQIMBALANCE, ele_d,
354 ofdm_index_old[1]);
355 break;
356 }
357 }
358 }
359
360 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
361 rtl92d_bandtype_2_4G(hw, &temp_cck, &cck_index_old);
362 } else {
363 temp_cck = 0x090e1317;
364 cck_index_old = 12;
365 }
366
367 if (!dm->thermalvalue) {
368 dm->thermalvalue = rtlefuse->eeprom_thermalmeter;
369 dm->thermalvalue_lck = thermalvalue;
370 dm->thermalvalue_iqk = thermalvalue;
371 dm->thermalvalue_rxgain = rtlefuse->eeprom_thermalmeter;
372
373 for (i = 0; i < rf; i++)
374 dm->ofdm_index[i] = ofdm_index_old[i];
375
376 dm->cck_index = cck_index_old;
377 }
378
379 if (rtlhal->reloadtxpowerindex) {
380 for (i = 0; i < rf; i++)
381 dm->ofdm_index[i] = ofdm_index_old[i];
382
383 dm->cck_index = cck_index_old;
384
385 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
386 "reload ofdm index for band switch\n");
387 }
388
389 old_index_done:
390 for (i = 0; i < rf; i++)
391 ofdm_index[i] = dm->ofdm_index[i];
392
393 dm->thermalvalue_avg[dm->thermalvalue_avg_index] = thermalvalue;
394 dm->thermalvalue_avg_index++;
395
396 if (dm->thermalvalue_avg_index == AVG_THERMAL_NUM)
397 dm->thermalvalue_avg_index = 0;
398
399 for (i = 0; i < AVG_THERMAL_NUM; i++) {
400 if (dm->thermalvalue_avg[i]) {
401 thermalvalue_avg += dm->thermalvalue_avg[i];
402 thermalvalue_avg_count++;
403 }
404 }
405
406 if (thermalvalue_avg_count)
407 thermalvalue = (u8)(thermalvalue_avg / thermalvalue_avg_count);
408
409 if (rtlhal->reloadtxpowerindex) {
410 delta = abs_diff(thermalvalue, rtlefuse->eeprom_thermalmeter);
411 rtlhal->reloadtxpowerindex = false;
412 dm->done_txpower = false;
413 } else if (dm->done_txpower) {
414 delta = abs_diff(thermalvalue, dm->thermalvalue);
415 } else {
416 delta = abs_diff(thermalvalue, rtlefuse->eeprom_thermalmeter);
417 }
418
419 delta_lck = abs_diff(thermalvalue, dm->thermalvalue_lck);
420 delta_iqk = abs_diff(thermalvalue, dm->thermalvalue_iqk);
421 delta_rxgain = abs_diff(thermalvalue, dm->thermalvalue_rxgain);
422
423 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
424 "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",
425 thermalvalue, dm->thermalvalue, rtlefuse->eeprom_thermalmeter,
426 delta, delta_lck, delta_iqk);
427
428 if (delta_lck > rtlefuse->delta_lck && rtlefuse->delta_lck != 0) {
429 dm->thermalvalue_lck = thermalvalue;
430 rtlpriv->cfg->ops->phy_lc_calibrate(hw, is2t);
431 }
432
433 if (delta == 0 || !dm->txpower_track_control)
434 goto check_delta;
435
436 dm->done_txpower = true;
437 delta = abs_diff(thermalvalue, rtlefuse->eeprom_thermalmeter);
438
439 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
440 offset = 4;
441 if (delta > INDEX_MAPPING_NUM - 1)
442 index = index_mapping[offset][INDEX_MAPPING_NUM - 1];
443 else
444 index = index_mapping[offset][delta];
445
446 if (thermalvalue > dm->thermalvalue) {
447 for (i = 0; i < rf; i++)
448 ofdm_index[i] -= delta;
449
450 cck_index -= delta;
451 } else {
452 for (i = 0; i < rf; i++)
453 ofdm_index[i] += index;
454
455 cck_index += index;
456 }
457 } else if (rtlhal->current_bandtype == BAND_ON_5G) {
458 rtl92d_bandtype_5G(rtlhal, ofdm_index, &internal_pa,
459 thermalvalue, delta, rf, rtlefuse, rtlpriv,
460 rtlphy, index_mapping,
461 index_mapping_internal_pa);
462 }
463
464 if (is2t) {
465 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
466 "temp OFDM_A_index=0x%x, OFDM_B_index = 0x%x, cck_index=0x%x\n",
467 dm->ofdm_index[0], dm->ofdm_index[1], dm->cck_index);
468 } else {
469 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
470 "temp OFDM_A_index=0x%x, cck_index = 0x%x\n",
471 dm->ofdm_index[0], dm->cck_index);
472 }
473
474 for (i = 0; i < rf; i++) {
475 if (ofdm_index[i] > OFDM_TABLE_SIZE_92D - 1) {
476 ofdm_index[i] = OFDM_TABLE_SIZE_92D - 1;
477 } else if (internal_pa ||
478 rtlhal->current_bandtype == BAND_ON_2_4G) {
479 if (ofdm_index[i] < ofdm_min_index_internal_pa)
480 ofdm_index[i] = ofdm_min_index_internal_pa;
481 } else if (ofdm_index[i] < ofdm_min_index) {
482 ofdm_index[i] = ofdm_min_index;
483 }
484 }
485
486 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
487 if (cck_index > CCK_TABLE_SIZE - 1)
488 cck_index = CCK_TABLE_SIZE - 1;
489 else if (cck_index < 0)
490 cck_index = 0;
491 }
492
493 if (is2t) {
494 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
495 "new OFDM_A_index=0x%x, OFDM_B_index = 0x%x, cck_index=0x%x\n",
496 ofdm_index[0], ofdm_index[1], cck_index);
497 } else {
498 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
499 "new OFDM_A_index=0x%x, cck_index = 0x%x\n",
500 ofdm_index[0], cck_index);
501 }
502
503 ele_d = (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22;
504 val_x = rtlphy->iqk_matrix[indexforchannel].value[0][0];
505 val_y = rtlphy->iqk_matrix[indexforchannel].value[0][1];
506
507 if (val_x != 0) {
508 if ((val_x & 0x00000200) != 0)
509 val_x = val_x | 0xFFFFFC00;
510 ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
511
512 /* new element C = element D x Y */
513 if ((val_y & 0x00000200) != 0)
514 val_y = val_y | 0xFFFFFC00;
515 ele_c = ((val_y * ele_d) >> 8) & 0x000003FF;
516
517 /* write new elements A, C, D to regC80 and
518 * regC94, element B is always 0
519 */
520 value32 = (ele_d << 22) | ((ele_c & 0x3F) << 16) | ele_a;
521 rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE,
522 MASKDWORD, value32);
523
524 value32 = (ele_c & 0x000003C0) >> 6;
525 rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS, value32);
526
527 value32 = ((val_x * ele_d) >> 7) & 0x01;
528 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(24), value32);
529
530 } else {
531 rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, MASKDWORD,
532 ofdmswing_table[ofdm_index[0]]);
533 rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS, 0x00);
534 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(24), 0x00);
535 }
536
537 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
538 "TxPwrTracking for interface %d path A: X = 0x%lx, Y = 0x%lx ele_A = 0x%lx ele_C = 0x%lx ele_D = 0x%lx 0xe94 = 0x%lx 0xe9c = 0x%lx\n",
539 rtlhal->interfaceindex,
540 val_x, val_y, ele_a, ele_c, ele_d,
541 val_x, val_y);
542
543 if (rtlhal->current_bandtype == BAND_ON_2_4G) {
544 /* Adjust CCK according to IQK result */
545 for (i = 0; i < 8; i++) {
546 if (dm->cck_inch14)
547 swing = cckswing_table_ch14[cck_index][i];
548 else
549 swing = cckswing_table_ch1ch13[cck_index][i];
550
551 rtl_write_byte(rtlpriv, 0xa22 + i, swing);
552 }
553 }
554
555 if (is2t) {
556 ele_d = (ofdmswing_table[ofdm_index[1]] & 0xFFC00000) >> 22;
557 val_x = rtlphy->iqk_matrix[indexforchannel].value[0][4];
558 val_y = rtlphy->iqk_matrix[indexforchannel].value[0][5];
559
560 if (val_x != 0) {
561 if ((val_x & 0x00000200) != 0)
562 /* consider minus */
563 val_x = val_x | 0xFFFFFC00;
564 ele_a = ((val_x * ele_d) >> 8) & 0x000003FF;
565
566 /* new element C = element D x Y */
567 if ((val_y & 0x00000200) != 0)
568 val_y = val_y | 0xFFFFFC00;
569 ele_c = ((val_y * ele_d) >> 8) & 0x00003FF;
570
571 /* write new elements A, C, D to regC88
572 * and regC9C, element B is always 0
573 */
574 value32 = (ele_d << 22) | ((ele_c & 0x3F) << 16) | ele_a;
575 rtl_set_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
576 MASKDWORD, value32);
577
578 value32 = (ele_c & 0x000003C0) >> 6;
579 rtl_set_bbreg(hw, ROFDM0_XDTXAFE, MASKH4BITS, value32);
580
581 value32 = ((val_x * ele_d) >> 7) & 0x01;
582 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(28), value32);
583 } else {
584 rtl_set_bbreg(hw, ROFDM0_XBTXIQIMBALANCE,
585 MASKDWORD, ofdmswing_table[ofdm_index[1]]);
586 rtl_set_bbreg(hw, ROFDM0_XDTXAFE, MASKH4BITS, 0x00);
587 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, BIT(28), 0x00);
588 }
589
590 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
591 "TxPwrTracking path B: X = 0x%lx, Y = 0x%lx ele_A = 0x%lx ele_C = 0x%lx ele_D = 0x%lx 0xeb4 = 0x%lx 0xebc = 0x%lx\n",
592 val_x, val_y, ele_a, ele_c, ele_d, val_x, val_y);
593 }
594
595 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
596 "TxPwrTracking 0xc80 = 0x%x, 0xc94 = 0x%x RF 0x24 = 0x%x\n",
597 rtl_get_bbreg(hw, 0xc80, MASKDWORD),
598 rtl_get_bbreg(hw, 0xc94, MASKDWORD),
599 rtl_get_rfreg(hw, RF90_PATH_A, 0x24, RFREG_OFFSET_MASK));
600
601 check_delta:
602 if (delta_iqk > rtlefuse->delta_iqk && rtlefuse->delta_iqk != 0) {
603 rtl92d_phy_reset_iqk_result(hw);
604 dm->thermalvalue_iqk = thermalvalue;
605 rtlpriv->cfg->ops->phy_iq_calibrate(hw);
606 }
607
608 if (delta_rxgain > 0 && rtlhal->current_bandtype == BAND_ON_5G &&
609 thermalvalue <= rtlefuse->eeprom_thermalmeter) {
610 dm->thermalvalue_rxgain = thermalvalue;
611 rtl92d_dm_rxgain_tracking_thermalmeter(hw);
612 }
613
614 if (dm->txpower_track_control)
615 dm->thermalvalue = thermalvalue;
616
617 exit:
618 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===\n");
619 }
620
rtl92d_dm_initialize_txpower_tracking(struct ieee80211_hw * hw)621 void rtl92d_dm_initialize_txpower_tracking(struct ieee80211_hw *hw)
622 {
623 struct rtl_priv *rtlpriv = rtl_priv(hw);
624
625 rtlpriv->dm.txpower_tracking = true;
626 rtlpriv->dm.txpower_trackinginit = false;
627 rtlpriv->dm.txpower_track_control = true;
628 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
629 "pMgntInfo->txpower_tracking = %d\n",
630 rtlpriv->dm.txpower_tracking);
631 }
632 EXPORT_SYMBOL_GPL(rtl92d_dm_initialize_txpower_tracking);
633
rtl92d_dm_check_txpower_tracking_thermal_meter(struct ieee80211_hw * hw)634 void rtl92d_dm_check_txpower_tracking_thermal_meter(struct ieee80211_hw *hw)
635 {
636 struct rtl_priv *rtlpriv = rtl_priv(hw);
637
638 if (!rtlpriv->dm.txpower_tracking)
639 return;
640
641 if (!rtlpriv->dm.tm_trigger) {
642 rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, BIT(17) |
643 BIT(16), 0x03);
644 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
645 "Trigger 92S Thermal Meter!!\n");
646 rtlpriv->dm.tm_trigger = 1;
647 } else {
648 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
649 "Schedule TxPowerTracking direct call!!\n");
650 rtl92d_dm_txpower_tracking_callback_thermalmeter(hw);
651 rtlpriv->dm.tm_trigger = 0;
652 }
653 }
654 EXPORT_SYMBOL_GPL(rtl92d_dm_check_txpower_tracking_thermal_meter);
655
rtl92d_dm_false_alarm_counter_statistics(struct ieee80211_hw * hw)656 void rtl92d_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
657 {
658 struct rtl_priv *rtlpriv = rtl_priv(hw);
659 struct false_alarm_statistics *falsealm_cnt = &rtlpriv->falsealm_cnt;
660 unsigned long flag = 0;
661 u32 ret_value;
662
663 /* hold ofdm counter */
664 rtl_set_bbreg(hw, ROFDM0_LSTF, BIT(31), 1); /* hold page C counter */
665 rtl_set_bbreg(hw, ROFDM1_LSTF, BIT(31), 1); /* hold page D counter */
666
667 ret_value = rtl_get_bbreg(hw, ROFDM0_FRAMESYNC, MASKDWORD);
668 falsealm_cnt->cnt_fast_fsync_fail = ret_value & 0xffff;
669 falsealm_cnt->cnt_sb_search_fail = (ret_value & 0xffff0000) >> 16;
670
671 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD);
672 falsealm_cnt->cnt_parity_fail = (ret_value & 0xffff0000) >> 16;
673
674 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD);
675 falsealm_cnt->cnt_rate_illegal = ret_value & 0xffff;
676 falsealm_cnt->cnt_crc8_fail = (ret_value & 0xffff0000) >> 16;
677
678 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
679 falsealm_cnt->cnt_mcs_fail = ret_value & 0xffff;
680
681 falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
682 falsealm_cnt->cnt_rate_illegal +
683 falsealm_cnt->cnt_crc8_fail +
684 falsealm_cnt->cnt_mcs_fail +
685 falsealm_cnt->cnt_fast_fsync_fail +
686 falsealm_cnt->cnt_sb_search_fail;
687
688 if (rtlpriv->rtlhal.current_bandtype != BAND_ON_5G) {
689 rtl92d_acquire_cckandrw_pagea_ctl(hw, &flag);
690 ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0);
691 falsealm_cnt->cnt_cck_fail = ret_value;
692 ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERUPPER, MASKBYTE3);
693 falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;
694 rtl92d_release_cckandrw_pagea_ctl(hw, &flag);
695 } else {
696 falsealm_cnt->cnt_cck_fail = 0;
697 }
698
699 falsealm_cnt->cnt_all = falsealm_cnt->cnt_ofdm_fail +
700 falsealm_cnt->cnt_cck_fail;
701
702 /* reset false alarm counter registers */
703 rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 1);
704 rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 0);
705
706 /* update ofdm counter */
707 rtl_set_bbreg(hw, ROFDM0_LSTF, BIT(31), 0); /* update page C counter */
708 rtl_set_bbreg(hw, ROFDM1_LSTF, BIT(31), 0); /* update page D counter */
709
710 if (rtlpriv->rtlhal.current_bandtype != BAND_ON_5G) {
711 /* reset cck counter */
712 rtl92d_acquire_cckandrw_pagea_ctl(hw, &flag);
713 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 0);
714 /* enable cck counter */
715 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 2);
716 rtl92d_release_cckandrw_pagea_ctl(hw, &flag);
717 }
718
719 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD,
720 "Cnt_Fast_Fsync_fail = %x, Cnt_SB_Search_fail = %x\n",
721 falsealm_cnt->cnt_fast_fsync_fail,
722 falsealm_cnt->cnt_sb_search_fail);
723
724 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD,
725 "Cnt_Parity_Fail = %x, Cnt_Rate_Illegal = %x, Cnt_Crc8_fail = %x, Cnt_Mcs_fail = %x\n",
726 falsealm_cnt->cnt_parity_fail,
727 falsealm_cnt->cnt_rate_illegal,
728 falsealm_cnt->cnt_crc8_fail,
729 falsealm_cnt->cnt_mcs_fail);
730
731 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD,
732 "Cnt_Ofdm_fail = %x, Cnt_Cck_fail = %x, Cnt_all = %x\n",
733 falsealm_cnt->cnt_ofdm_fail,
734 falsealm_cnt->cnt_cck_fail,
735 falsealm_cnt->cnt_all);
736 }
737 EXPORT_SYMBOL_GPL(rtl92d_dm_false_alarm_counter_statistics);
738
rtl92d_dm_find_minimum_rssi(struct ieee80211_hw * hw)739 void rtl92d_dm_find_minimum_rssi(struct ieee80211_hw *hw)
740 {
741 struct rtl_priv *rtlpriv = rtl_priv(hw);
742 struct dig_t *de_digtable = &rtlpriv->dm_digtable;
743 struct rtl_mac *mac = rtl_mac(rtlpriv);
744
745 /* Determine the minimum RSSI */
746 if (mac->link_state < MAC80211_LINKED &&
747 rtlpriv->dm.entry_min_undec_sm_pwdb == 0) {
748 de_digtable->min_undec_pwdb_for_dm = 0;
749 rtl_dbg(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
750 "Not connected to any\n");
751 }
752 if (mac->link_state >= MAC80211_LINKED) {
753 if (mac->opmode == NL80211_IFTYPE_AP ||
754 mac->opmode == NL80211_IFTYPE_ADHOC) {
755 de_digtable->min_undec_pwdb_for_dm =
756 rtlpriv->dm.entry_min_undec_sm_pwdb;
757 rtl_dbg(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
758 "AP Client PWDB = 0x%lx\n",
759 rtlpriv->dm.entry_min_undec_sm_pwdb);
760 } else {
761 de_digtable->min_undec_pwdb_for_dm =
762 rtlpriv->dm.undec_sm_pwdb;
763 rtl_dbg(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
764 "STA Default Port PWDB = 0x%x\n",
765 de_digtable->min_undec_pwdb_for_dm);
766 }
767 } else {
768 de_digtable->min_undec_pwdb_for_dm =
769 rtlpriv->dm.entry_min_undec_sm_pwdb;
770 rtl_dbg(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
771 "AP Ext Port or disconnect PWDB = 0x%x\n",
772 de_digtable->min_undec_pwdb_for_dm);
773 }
774
775 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD, "MinUndecoratedPWDBForDM =%d\n",
776 de_digtable->min_undec_pwdb_for_dm);
777 }
778 EXPORT_SYMBOL_GPL(rtl92d_dm_find_minimum_rssi);
779
rtl92d_dm_cck_packet_detection_thresh(struct ieee80211_hw * hw)780 static void rtl92d_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
781 {
782 struct rtl_priv *rtlpriv = rtl_priv(hw);
783 struct dig_t *de_digtable = &rtlpriv->dm_digtable;
784 unsigned long flag = 0;
785
786 if (de_digtable->cursta_cstate == DIG_STA_CONNECT) {
787 if (de_digtable->pre_cck_pd_state == CCK_PD_STAGE_LOWRSSI) {
788 if (de_digtable->min_undec_pwdb_for_dm <= 25)
789 de_digtable->cur_cck_pd_state =
790 CCK_PD_STAGE_LOWRSSI;
791 else
792 de_digtable->cur_cck_pd_state =
793 CCK_PD_STAGE_HIGHRSSI;
794 } else {
795 if (de_digtable->min_undec_pwdb_for_dm <= 20)
796 de_digtable->cur_cck_pd_state =
797 CCK_PD_STAGE_LOWRSSI;
798 else
799 de_digtable->cur_cck_pd_state =
800 CCK_PD_STAGE_HIGHRSSI;
801 }
802 } else {
803 de_digtable->cur_cck_pd_state = CCK_PD_STAGE_LOWRSSI;
804 }
805 if (de_digtable->pre_cck_pd_state != de_digtable->cur_cck_pd_state) {
806 if (de_digtable->cur_cck_pd_state == CCK_PD_STAGE_LOWRSSI) {
807 rtl92d_acquire_cckandrw_pagea_ctl(hw, &flag);
808 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0x83);
809 rtl92d_release_cckandrw_pagea_ctl(hw, &flag);
810 } else {
811 rtl92d_acquire_cckandrw_pagea_ctl(hw, &flag);
812 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
813 rtl92d_release_cckandrw_pagea_ctl(hw, &flag);
814 }
815 de_digtable->pre_cck_pd_state = de_digtable->cur_cck_pd_state;
816 }
817 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD, "CurSTAConnectState=%s\n",
818 de_digtable->cursta_cstate == DIG_STA_CONNECT ?
819 "DIG_STA_CONNECT " : "DIG_STA_DISCONNECT");
820 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD, "CCKPDStage=%s\n",
821 de_digtable->cur_cck_pd_state == CCK_PD_STAGE_LOWRSSI ?
822 "Low RSSI " : "High RSSI ");
823 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD, "is92d single phy =%x\n",
824 IS_92D_SINGLEPHY(rtlpriv->rtlhal.version));
825 }
826
rtl92d_dm_write_dig(struct ieee80211_hw * hw)827 void rtl92d_dm_write_dig(struct ieee80211_hw *hw)
828 {
829 struct rtl_priv *rtlpriv = rtl_priv(hw);
830 struct dig_t *de_digtable = &rtlpriv->dm_digtable;
831
832 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD,
833 "cur_igvalue = 0x%x, pre_igvalue = 0x%x, back_val = %d\n",
834 de_digtable->cur_igvalue, de_digtable->pre_igvalue,
835 de_digtable->back_val);
836 if (!de_digtable->dig_enable_flag) {
837 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD, "DIG is disabled\n");
838 de_digtable->pre_igvalue = 0x17;
839 return;
840 }
841 if (de_digtable->pre_igvalue != de_digtable->cur_igvalue) {
842 rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
843 de_digtable->cur_igvalue);
844 rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f,
845 de_digtable->cur_igvalue);
846 de_digtable->pre_igvalue = de_digtable->cur_igvalue;
847 }
848 }
849 EXPORT_SYMBOL_GPL(rtl92d_dm_write_dig);
850
rtl92d_early_mode_enabled(struct rtl_priv * rtlpriv)851 static void rtl92d_early_mode_enabled(struct rtl_priv *rtlpriv)
852 {
853 struct dig_t *de_digtable = &rtlpriv->dm_digtable;
854
855 if (rtlpriv->mac80211.link_state >= MAC80211_LINKED &&
856 rtlpriv->mac80211.vendor == PEER_CISCO) {
857 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD, "IOT_PEER = CISCO\n");
858 if (de_digtable->last_min_undec_pwdb_for_dm >= 50 &&
859 de_digtable->min_undec_pwdb_for_dm < 50) {
860 rtl_write_byte(rtlpriv, REG_EARLY_MODE_CONTROL, 0x00);
861 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD,
862 "Early Mode Off\n");
863 } else if (de_digtable->last_min_undec_pwdb_for_dm <= 55 &&
864 de_digtable->min_undec_pwdb_for_dm > 55) {
865 rtl_write_byte(rtlpriv, REG_EARLY_MODE_CONTROL, 0x0f);
866 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD,
867 "Early Mode On\n");
868 }
869 } else if (!(rtl_read_byte(rtlpriv, REG_EARLY_MODE_CONTROL) & 0xf)) {
870 rtl_write_byte(rtlpriv, REG_EARLY_MODE_CONTROL, 0x0f);
871 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD, "Early Mode On\n");
872 }
873 }
874
rtl92d_dm_dig(struct ieee80211_hw * hw)875 void rtl92d_dm_dig(struct ieee80211_hw *hw)
876 {
877 struct rtl_priv *rtlpriv = rtl_priv(hw);
878 struct dig_t *de_digtable = &rtlpriv->dm_digtable;
879 u8 value_igi = de_digtable->cur_igvalue;
880 struct false_alarm_statistics *falsealm_cnt = &rtlpriv->falsealm_cnt;
881
882 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD, "==>\n");
883 if (rtlpriv->rtlhal.earlymode_enable) {
884 rtl92d_early_mode_enabled(rtlpriv);
885 de_digtable->last_min_undec_pwdb_for_dm =
886 de_digtable->min_undec_pwdb_for_dm;
887 }
888 if (!rtlpriv->dm.dm_initialgain_enable)
889 return;
890
891 /* because we will send data pkt when scanning
892 * this will cause some ap like gear-3700 wep TP
893 * lower if we return here, this is the diff of
894 * mac80211 driver vs ieee80211 driver
895 */
896 /* if (rtlpriv->mac80211.act_scanning)
897 * return;
898 */
899
900 /* Not STA mode return tmp */
901 if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
902 return;
903 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD, "progress\n");
904 /* Decide the current status and if modify initial gain or not */
905 if (rtlpriv->mac80211.link_state >= MAC80211_LINKED)
906 de_digtable->cursta_cstate = DIG_STA_CONNECT;
907 else
908 de_digtable->cursta_cstate = DIG_STA_DISCONNECT;
909
910 /* adjust initial gain according to false alarm counter */
911 if (falsealm_cnt->cnt_all < DM_DIG_FA_TH0)
912 value_igi--;
913 else if (falsealm_cnt->cnt_all < DM_DIG_FA_TH1)
914 value_igi += 0;
915 else if (falsealm_cnt->cnt_all < DM_DIG_FA_TH2)
916 value_igi++;
917 else if (falsealm_cnt->cnt_all >= DM_DIG_FA_TH2)
918 value_igi += 2;
919 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD,
920 "dm_DIG() Before: large_fa_hit=%d, forbidden_igi=%x\n",
921 de_digtable->large_fa_hit, de_digtable->forbidden_igi);
922 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD,
923 "dm_DIG() Before: Recover_cnt=%d, rx_gain_min=%x\n",
924 de_digtable->recover_cnt, de_digtable->rx_gain_min);
925
926 /* deal with abnormally large false alarm */
927 if (falsealm_cnt->cnt_all > 10000) {
928 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD,
929 "dm_DIG(): Abnormally false alarm case\n");
930
931 de_digtable->large_fa_hit++;
932 if (de_digtable->forbidden_igi < de_digtable->cur_igvalue) {
933 de_digtable->forbidden_igi = de_digtable->cur_igvalue;
934 de_digtable->large_fa_hit = 1;
935 }
936 if (de_digtable->large_fa_hit >= 3) {
937 if ((de_digtable->forbidden_igi + 1) > DM_DIG_MAX)
938 de_digtable->rx_gain_min = DM_DIG_MAX;
939 else
940 de_digtable->rx_gain_min =
941 (de_digtable->forbidden_igi + 1);
942 de_digtable->recover_cnt = 3600; /* 3600=2hr */
943 }
944 } else {
945 /* Recovery mechanism for IGI lower bound */
946 if (de_digtable->recover_cnt != 0) {
947 de_digtable->recover_cnt--;
948 } else {
949 if (de_digtable->large_fa_hit == 0) {
950 if ((de_digtable->forbidden_igi - 1) <
951 DM_DIG_FA_LOWER) {
952 de_digtable->forbidden_igi =
953 DM_DIG_FA_LOWER;
954 de_digtable->rx_gain_min =
955 DM_DIG_FA_LOWER;
956
957 } else {
958 de_digtable->forbidden_igi--;
959 de_digtable->rx_gain_min =
960 (de_digtable->forbidden_igi + 1);
961 }
962 } else if (de_digtable->large_fa_hit == 3) {
963 de_digtable->large_fa_hit = 0;
964 }
965 }
966 }
967 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD,
968 "dm_DIG() After: large_fa_hit=%d, forbidden_igi=%x\n",
969 de_digtable->large_fa_hit, de_digtable->forbidden_igi);
970 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD,
971 "dm_DIG() After: recover_cnt=%d, rx_gain_min=%x\n",
972 de_digtable->recover_cnt, de_digtable->rx_gain_min);
973
974 if (value_igi > DM_DIG_MAX)
975 value_igi = DM_DIG_MAX;
976 else if (value_igi < de_digtable->rx_gain_min)
977 value_igi = de_digtable->rx_gain_min;
978 de_digtable->cur_igvalue = value_igi;
979 rtl92d_dm_write_dig(hw);
980 if (rtlpriv->rtlhal.current_bandtype != BAND_ON_5G)
981 rtl92d_dm_cck_packet_detection_thresh(hw);
982 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD, "<<==\n");
983 }
984 EXPORT_SYMBOL_GPL(rtl92d_dm_dig);
985
rtl92d_dm_init_edca_turbo(struct ieee80211_hw * hw)986 void rtl92d_dm_init_edca_turbo(struct ieee80211_hw *hw)
987 {
988 struct rtl_priv *rtlpriv = rtl_priv(hw);
989
990 rtlpriv->dm.current_turbo_edca = false;
991 rtlpriv->dm.is_any_nonbepkts = false;
992 rtlpriv->dm.is_cur_rdlstate = false;
993 }
994 EXPORT_SYMBOL_GPL(rtl92d_dm_init_edca_turbo);
995
rtl92d_dm_check_edca_turbo(struct ieee80211_hw * hw)996 void rtl92d_dm_check_edca_turbo(struct ieee80211_hw *hw)
997 {
998 struct rtl_priv *rtlpriv = rtl_priv(hw);
999 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
1000 const u32 edca_be_ul = 0x5ea42b;
1001 const u32 edca_be_dl = 0x5ea42b;
1002 static u64 last_txok_cnt;
1003 static u64 last_rxok_cnt;
1004 u64 cur_txok_cnt;
1005 u64 cur_rxok_cnt;
1006
1007 if (mac->link_state != MAC80211_LINKED) {
1008 rtlpriv->dm.current_turbo_edca = false;
1009 goto exit;
1010 }
1011
1012 if (!rtlpriv->dm.is_any_nonbepkts &&
1013 !rtlpriv->dm.disable_framebursting) {
1014 cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
1015 cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
1016 if (cur_rxok_cnt > 4 * cur_txok_cnt) {
1017 if (!rtlpriv->dm.is_cur_rdlstate ||
1018 !rtlpriv->dm.current_turbo_edca) {
1019 rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM,
1020 edca_be_dl);
1021 rtlpriv->dm.is_cur_rdlstate = true;
1022 }
1023 } else {
1024 if (rtlpriv->dm.is_cur_rdlstate ||
1025 !rtlpriv->dm.current_turbo_edca) {
1026 rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM,
1027 edca_be_ul);
1028 rtlpriv->dm.is_cur_rdlstate = false;
1029 }
1030 }
1031 rtlpriv->dm.current_turbo_edca = true;
1032 } else {
1033 if (rtlpriv->dm.current_turbo_edca) {
1034 u8 tmp = AC0_BE;
1035
1036 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
1037 &tmp);
1038 rtlpriv->dm.current_turbo_edca = false;
1039 }
1040 }
1041
1042 exit:
1043 rtlpriv->dm.is_any_nonbepkts = false;
1044 last_txok_cnt = rtlpriv->stats.txbytesunicast;
1045 last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
1046 }
1047 EXPORT_SYMBOL_GPL(rtl92d_dm_check_edca_turbo);
1048
rtl92d_dm_init_rate_adaptive_mask(struct ieee80211_hw * hw)1049 void rtl92d_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
1050 {
1051 struct rtl_priv *rtlpriv = rtl_priv(hw);
1052 struct rate_adaptive *ra = &rtlpriv->ra;
1053
1054 ra->ratr_state = DM_RATR_STA_INIT;
1055 ra->pre_ratr_state = DM_RATR_STA_INIT;
1056 if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
1057 rtlpriv->dm.useramask = true;
1058 else
1059 rtlpriv->dm.useramask = false;
1060 }
1061 EXPORT_SYMBOL_GPL(rtl92d_dm_init_rate_adaptive_mask);
1062