1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2009-2012 Realtek Corporation.*/ 3 4 #include <linux/export.h> 5 #include "dm_common.h" 6 #include "phy_common.h" 7 #include "../pci.h" 8 #include "../base.h" 9 #include "../core.h" 10 11 #define BT_RSSI_STATE_NORMAL_POWER BIT(0) 12 #define BT_RSSI_STATE_AMDPU_OFF BIT(1) 13 #define BT_RSSI_STATE_SPECIAL_LOW BIT(2) 14 #define BT_RSSI_STATE_BG_EDCA_LOW BIT(3) 15 #define BT_RSSI_STATE_TXPOWER_LOW BIT(4) 16 #define BT_MASK 0x00ffffff 17 18 #define RTLPRIV (struct rtl_priv *) 19 #define GET_UNDECORATED_AVERAGE_RSSI(_priv) \ 20 ((RTLPRIV(_priv))->mac80211.opmode == \ 21 NL80211_IFTYPE_ADHOC) ? \ 22 ((RTLPRIV(_priv))->dm.entry_min_undec_sm_pwdb) : \ 23 ((RTLPRIV(_priv))->dm.undec_sm_pwdb) 24 25 static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = { 26 0x7f8001fe, 27 0x788001e2, 28 0x71c001c7, 29 0x6b8001ae, 30 0x65400195, 31 0x5fc0017f, 32 0x5a400169, 33 0x55400155, 34 0x50800142, 35 0x4c000130, 36 0x47c0011f, 37 0x43c0010f, 38 0x40000100, 39 0x3c8000f2, 40 0x390000e4, 41 0x35c000d7, 42 0x32c000cb, 43 0x300000c0, 44 0x2d4000b5, 45 0x2ac000ab, 46 0x288000a2, 47 0x26000098, 48 0x24000090, 49 0x22000088, 50 0x20000080, 51 0x1e400079, 52 0x1c800072, 53 0x1b00006c, 54 0x19800066, 55 0x18000060, 56 0x16c0005b, 57 0x15800056, 58 0x14400051, 59 0x1300004c, 60 0x12000048, 61 0x11000044, 62 0x10000040, 63 }; 64 65 static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = { 66 {0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04}, 67 {0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04}, 68 {0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03}, 69 {0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03}, 70 {0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03}, 71 {0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03}, 72 {0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03}, 73 {0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03}, 74 {0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02}, 75 {0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02}, 76 {0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02}, 77 {0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02}, 78 {0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02}, 79 {0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02}, 80 {0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02}, 81 {0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02}, 82 {0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01}, 83 {0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02}, 84 {0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01}, 85 {0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, 86 {0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, 87 {0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01}, 88 {0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01}, 89 {0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01}, 90 {0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01}, 91 {0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01}, 92 {0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01}, 93 {0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01}, 94 {0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01}, 95 {0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01}, 96 {0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01}, 97 {0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01}, 98 {0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01} 99 }; 100 101 static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = { 102 {0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00}, 103 {0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00}, 104 {0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00}, 105 {0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00}, 106 {0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00}, 107 {0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00}, 108 {0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00}, 109 {0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00}, 110 {0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00}, 111 {0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00}, 112 {0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00}, 113 {0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00}, 114 {0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00}, 115 {0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00}, 116 {0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00}, 117 {0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00}, 118 {0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00}, 119 {0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00}, 120 {0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00}, 121 {0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, 122 {0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, 123 {0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00}, 124 {0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00}, 125 {0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, 126 {0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, 127 {0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00}, 128 {0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, 129 {0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, 130 {0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, 131 {0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, 132 {0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, 133 {0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, 134 {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00} 135 }; 136 137 static u32 power_index_reg[6] = {0xc90, 0xc91, 0xc92, 0xc98, 0xc99, 0xc9a}; 138 139 void dm_restorepowerindex(struct ieee80211_hw *hw) 140 { 141 struct rtl_priv *rtlpriv = rtl_priv(hw); 142 u8 index; 143 144 for (index = 0; index < 6; index++) 145 rtl_write_byte(rtlpriv, power_index_reg[index], 146 rtlpriv->dm.powerindex_backup[index]); 147 } 148 EXPORT_SYMBOL_GPL(dm_restorepowerindex); 149 150 void dm_writepowerindex(struct ieee80211_hw *hw, u8 value) 151 { 152 struct rtl_priv *rtlpriv = rtl_priv(hw); 153 u8 index; 154 155 for (index = 0; index < 6; index++) 156 rtl_write_byte(rtlpriv, power_index_reg[index], value); 157 } 158 EXPORT_SYMBOL_GPL(dm_writepowerindex); 159 160 void dm_savepowerindex(struct ieee80211_hw *hw) 161 { 162 struct rtl_priv *rtlpriv = rtl_priv(hw); 163 u8 index; 164 u8 tmp; 165 166 for (index = 0; index < 6; index++) { 167 tmp = rtl_read_byte(rtlpriv, power_index_reg[index]); 168 rtlpriv->dm.powerindex_backup[index] = tmp; 169 } 170 } 171 EXPORT_SYMBOL_GPL(dm_savepowerindex); 172 173 static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw) 174 { 175 struct rtl_priv *rtlpriv = rtl_priv(hw); 176 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 177 long rssi_val_min = 0; 178 179 if ((dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) && 180 (dm_digtable->cursta_cstate == DIG_STA_CONNECT)) { 181 if (rtlpriv->dm.entry_min_undec_sm_pwdb != 0) 182 rssi_val_min = 183 (rtlpriv->dm.entry_min_undec_sm_pwdb > 184 rtlpriv->dm.undec_sm_pwdb) ? 185 rtlpriv->dm.undec_sm_pwdb : 186 rtlpriv->dm.entry_min_undec_sm_pwdb; 187 else 188 rssi_val_min = rtlpriv->dm.undec_sm_pwdb; 189 } else if (dm_digtable->cursta_cstate == DIG_STA_CONNECT || 190 dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT) { 191 rssi_val_min = rtlpriv->dm.undec_sm_pwdb; 192 } else if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) { 193 rssi_val_min = rtlpriv->dm.entry_min_undec_sm_pwdb; 194 } 195 196 if (rssi_val_min > 100) 197 rssi_val_min = 100; 198 return (u8)rssi_val_min; 199 } 200 201 static void rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw) 202 { 203 u32 ret_value; 204 struct rtl_priv *rtlpriv = rtl_priv(hw); 205 struct false_alarm_statistics *falsealm_cnt = &(rtlpriv->falsealm_cnt); 206 207 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER1, MASKDWORD); 208 falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16); 209 210 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER2, MASKDWORD); 211 falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff); 212 falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16); 213 214 ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD); 215 falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff); 216 217 ret_value = rtl_get_bbreg(hw, ROFDM0_FRAMESYNC, MASKDWORD); 218 falsealm_cnt->cnt_fast_fsync_fail = (ret_value & 0xffff); 219 falsealm_cnt->cnt_sb_search_fail = ((ret_value & 0xffff0000) >> 16); 220 221 falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail + 222 falsealm_cnt->cnt_rate_illegal + 223 falsealm_cnt->cnt_crc8_fail + 224 falsealm_cnt->cnt_mcs_fail + 225 falsealm_cnt->cnt_fast_fsync_fail + 226 falsealm_cnt->cnt_sb_search_fail; 227 228 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1); 229 ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0); 230 falsealm_cnt->cnt_cck_fail = ret_value; 231 232 ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERUPPER, MASKBYTE3); 233 falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8; 234 falsealm_cnt->cnt_all = (falsealm_cnt->cnt_parity_fail + 235 falsealm_cnt->cnt_rate_illegal + 236 falsealm_cnt->cnt_crc8_fail + 237 falsealm_cnt->cnt_mcs_fail + 238 falsealm_cnt->cnt_cck_fail); 239 240 rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 1); 241 rtl_set_bbreg(hw, ROFDM1_LSTF, 0x08000000, 0); 242 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 0); 243 rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, 0x0000c000, 2); 244 245 rtl_dbg(rtlpriv, COMP_DIG, DBG_TRACE, 246 "cnt_parity_fail = %d, cnt_rate_illegal = %d, cnt_crc8_fail = %d, cnt_mcs_fail = %d\n", 247 falsealm_cnt->cnt_parity_fail, 248 falsealm_cnt->cnt_rate_illegal, 249 falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail); 250 251 rtl_dbg(rtlpriv, COMP_DIG, DBG_TRACE, 252 "cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n", 253 falsealm_cnt->cnt_ofdm_fail, 254 falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all); 255 } 256 257 static void rtl92c_dm_ctrl_initgain_by_fa(struct ieee80211_hw *hw) 258 { 259 struct rtl_priv *rtlpriv = rtl_priv(hw); 260 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 261 u8 value_igi = dm_digtable->cur_igvalue; 262 263 if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0) 264 value_igi--; 265 else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1) 266 value_igi += 0; 267 else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH2) 268 value_igi++; 269 else if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2) 270 value_igi += 2; 271 272 if (value_igi > DM_DIG_FA_UPPER) 273 value_igi = DM_DIG_FA_UPPER; 274 else if (value_igi < DM_DIG_FA_LOWER) 275 value_igi = DM_DIG_FA_LOWER; 276 277 if (rtlpriv->falsealm_cnt.cnt_all > 10000) 278 value_igi = DM_DIG_FA_UPPER; 279 280 dm_digtable->cur_igvalue = value_igi; 281 rtl92c_dm_write_dig(hw); 282 } 283 284 static void rtl92c_dm_ctrl_initgain_by_rssi(struct ieee80211_hw *hw) 285 { 286 struct rtl_priv *rtlpriv = rtl_priv(hw); 287 struct dig_t *digtable = &rtlpriv->dm_digtable; 288 u32 isbt; 289 290 /* modify DIG lower bound, deal with abnormally large false alarm */ 291 if (rtlpriv->falsealm_cnt.cnt_all > 10000) { 292 digtable->large_fa_hit++; 293 if (digtable->forbidden_igi < digtable->cur_igvalue) { 294 digtable->forbidden_igi = digtable->cur_igvalue; 295 digtable->large_fa_hit = 1; 296 } 297 298 if (digtable->large_fa_hit >= 3) { 299 if ((digtable->forbidden_igi + 1) > 300 digtable->rx_gain_max) 301 digtable->rx_gain_min = digtable->rx_gain_max; 302 else 303 digtable->rx_gain_min = (digtable->forbidden_igi + 1); 304 digtable->recover_cnt = 3600; /* 3600=2hr */ 305 } 306 } else { 307 /* Recovery mechanism for IGI lower bound */ 308 if (digtable->recover_cnt != 0) { 309 digtable->recover_cnt--; 310 } else { 311 if (digtable->large_fa_hit == 0) { 312 if ((digtable->forbidden_igi-1) < DM_DIG_MIN) { 313 digtable->forbidden_igi = DM_DIG_MIN; 314 digtable->rx_gain_min = DM_DIG_MIN; 315 } else { 316 digtable->forbidden_igi--; 317 digtable->rx_gain_min = digtable->forbidden_igi + 1; 318 } 319 } else if (digtable->large_fa_hit == 3) { 320 digtable->large_fa_hit = 0; 321 } 322 } 323 } 324 if (rtlpriv->falsealm_cnt.cnt_all < 250) { 325 isbt = rtl_read_byte(rtlpriv, 0x4fd) & 0x01; 326 327 if (!isbt) { 328 if (rtlpriv->falsealm_cnt.cnt_all > 329 digtable->fa_lowthresh) { 330 if ((digtable->back_val - 2) < 331 digtable->back_range_min) 332 digtable->back_val = digtable->back_range_min; 333 else 334 digtable->back_val -= 2; 335 } else if (rtlpriv->falsealm_cnt.cnt_all < 336 digtable->fa_lowthresh) { 337 if ((digtable->back_val + 2) > 338 digtable->back_range_max) 339 digtable->back_val = digtable->back_range_max; 340 else 341 digtable->back_val += 2; 342 } 343 } else { 344 digtable->back_val = DM_DIG_BACKOFF_DEFAULT; 345 } 346 } else { 347 /* Adjust initial gain by false alarm */ 348 if (rtlpriv->falsealm_cnt.cnt_all > 1000) 349 digtable->cur_igvalue = digtable->pre_igvalue + 2; 350 else if (rtlpriv->falsealm_cnt.cnt_all > 750) 351 digtable->cur_igvalue = digtable->pre_igvalue + 1; 352 else if (rtlpriv->falsealm_cnt.cnt_all < 500) 353 digtable->cur_igvalue = digtable->pre_igvalue - 1; 354 } 355 356 /* Check initial gain by upper/lower bound */ 357 if (digtable->cur_igvalue > digtable->rx_gain_max) 358 digtable->cur_igvalue = digtable->rx_gain_max; 359 360 if (digtable->cur_igvalue < digtable->rx_gain_min) 361 digtable->cur_igvalue = digtable->rx_gain_min; 362 363 rtl92c_dm_write_dig(hw); 364 } 365 366 static void rtl92c_dm_initial_gain_multi_sta(struct ieee80211_hw *hw) 367 { 368 static u8 initialized; /* initialized to false */ 369 struct rtl_priv *rtlpriv = rtl_priv(hw); 370 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 371 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 372 long rssi_strength = rtlpriv->dm.entry_min_undec_sm_pwdb; 373 bool multi_sta = false; 374 375 if (mac->opmode == NL80211_IFTYPE_ADHOC) 376 multi_sta = true; 377 378 if (!multi_sta || 379 dm_digtable->cursta_cstate == DIG_STA_DISCONNECT) { 380 initialized = false; 381 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; 382 return; 383 } else if (!initialized) { 384 initialized = true; 385 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0; 386 dm_digtable->cur_igvalue = 0x20; 387 rtl92c_dm_write_dig(hw); 388 } 389 390 if (dm_digtable->curmultista_cstate == DIG_MULTISTA_CONNECT) { 391 if ((rssi_strength < dm_digtable->rssi_lowthresh) && 392 (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_1)) { 393 394 if (dm_digtable->dig_ext_port_stage == 395 DIG_EXT_PORT_STAGE_2) { 396 dm_digtable->cur_igvalue = 0x20; 397 rtl92c_dm_write_dig(hw); 398 } 399 400 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_1; 401 } else if (rssi_strength > dm_digtable->rssi_highthresh) { 402 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_2; 403 rtl92c_dm_ctrl_initgain_by_fa(hw); 404 } 405 } else if (dm_digtable->dig_ext_port_stage != DIG_EXT_PORT_STAGE_0) { 406 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_0; 407 dm_digtable->cur_igvalue = 0x20; 408 rtl92c_dm_write_dig(hw); 409 } 410 411 rtl_dbg(rtlpriv, COMP_DIG, DBG_TRACE, 412 "curmultista_cstate = %x dig_ext_port_stage %x\n", 413 dm_digtable->curmultista_cstate, 414 dm_digtable->dig_ext_port_stage); 415 } 416 417 static void rtl92c_dm_initial_gain_sta(struct ieee80211_hw *hw) 418 { 419 struct rtl_priv *rtlpriv = rtl_priv(hw); 420 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 421 422 rtl_dbg(rtlpriv, COMP_DIG, DBG_TRACE, 423 "presta_cstate = %x, cursta_cstate = %x\n", 424 dm_digtable->presta_cstate, dm_digtable->cursta_cstate); 425 if (dm_digtable->presta_cstate == dm_digtable->cursta_cstate || 426 dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT || 427 dm_digtable->cursta_cstate == DIG_STA_CONNECT) { 428 if (dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) { 429 dm_digtable->rssi_val_min = 430 rtl92c_dm_initial_gain_min_pwdb(hw); 431 if (dm_digtable->rssi_val_min > 100) 432 dm_digtable->rssi_val_min = 100; 433 rtl92c_dm_ctrl_initgain_by_rssi(hw); 434 } 435 } else { 436 dm_digtable->rssi_val_min = 0; 437 dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX; 438 dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT; 439 dm_digtable->cur_igvalue = 0x20; 440 dm_digtable->pre_igvalue = 0; 441 rtl92c_dm_write_dig(hw); 442 } 443 } 444 445 static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw) 446 { 447 struct rtl_priv *rtlpriv = rtl_priv(hw); 448 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 449 450 if (dm_digtable->cursta_cstate == DIG_STA_CONNECT) { 451 dm_digtable->rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw); 452 if (dm_digtable->rssi_val_min > 100) 453 dm_digtable->rssi_val_min = 100; 454 455 if (dm_digtable->pre_cck_pd_state == CCK_PD_STAGE_LOWRSSI) { 456 if (dm_digtable->rssi_val_min <= 25) 457 dm_digtable->cur_cck_pd_state = 458 CCK_PD_STAGE_LOWRSSI; 459 else 460 dm_digtable->cur_cck_pd_state = 461 CCK_PD_STAGE_HIGHRSSI; 462 } else { 463 if (dm_digtable->rssi_val_min <= 20) 464 dm_digtable->cur_cck_pd_state = 465 CCK_PD_STAGE_LOWRSSI; 466 else 467 dm_digtable->cur_cck_pd_state = 468 CCK_PD_STAGE_HIGHRSSI; 469 } 470 } else { 471 dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX; 472 } 473 474 if (dm_digtable->pre_cck_pd_state != dm_digtable->cur_cck_pd_state) { 475 if ((dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_LOWRSSI) || 476 (dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_MAX)) 477 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0x83); 478 else 479 rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd); 480 481 dm_digtable->pre_cck_pd_state = dm_digtable->cur_cck_pd_state; 482 } 483 } 484 485 static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw) 486 { 487 struct rtl_priv *rtlpriv = rtl_priv(hw); 488 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 489 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 490 491 if (mac->act_scanning) 492 return; 493 494 if (mac->link_state >= MAC80211_LINKED) 495 dm_digtable->cursta_cstate = DIG_STA_CONNECT; 496 else 497 dm_digtable->cursta_cstate = DIG_STA_DISCONNECT; 498 499 dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT; 500 501 rtl92c_dm_initial_gain_sta(hw); 502 rtl92c_dm_initial_gain_multi_sta(hw); 503 rtl92c_dm_cck_packet_detection_thresh(hw); 504 505 dm_digtable->presta_cstate = dm_digtable->cursta_cstate; 506 } 507 508 static void rtl92c_dm_dig(struct ieee80211_hw *hw) 509 { 510 struct rtl_priv *rtlpriv = rtl_priv(hw); 511 512 if (!rtlpriv->dm.dm_initialgain_enable) 513 return; 514 if (!(rtlpriv->dm.dm_flag & DYNAMIC_FUNC_DIG)) 515 return; 516 517 rtl92c_dm_ctrl_initgain_by_twoport(hw); 518 } 519 520 static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw) 521 { 522 struct rtl_priv *rtlpriv = rtl_priv(hw); 523 524 if (rtlpriv->rtlhal.interface == INTF_USB && 525 rtlpriv->rtlhal.board_type & 0x1) { 526 dm_savepowerindex(hw); 527 rtlpriv->dm.dynamic_txpower_enable = true; 528 } else { 529 rtlpriv->dm.dynamic_txpower_enable = false; 530 } 531 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL; 532 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; 533 } 534 535 void rtl92c_dm_write_dig(struct ieee80211_hw *hw) 536 { 537 struct rtl_priv *rtlpriv = rtl_priv(hw); 538 struct dig_t *dm_digtable = &rtlpriv->dm_digtable; 539 540 rtl_dbg(rtlpriv, COMP_DIG, DBG_LOUD, 541 "cur_igvalue = 0x%x, pre_igvalue = 0x%x, back_val = %d\n", 542 dm_digtable->cur_igvalue, dm_digtable->pre_igvalue, 543 dm_digtable->back_val); 544 545 if (rtlpriv->rtlhal.interface == INTF_USB && 546 !dm_digtable->dig_enable_flag) { 547 dm_digtable->pre_igvalue = 0x17; 548 return; 549 } 550 dm_digtable->cur_igvalue -= 1; 551 if (dm_digtable->cur_igvalue < DM_DIG_MIN) 552 dm_digtable->cur_igvalue = DM_DIG_MIN; 553 554 if (dm_digtable->pre_igvalue != dm_digtable->cur_igvalue) { 555 rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f, 556 dm_digtable->cur_igvalue); 557 rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f, 558 dm_digtable->cur_igvalue); 559 560 dm_digtable->pre_igvalue = dm_digtable->cur_igvalue; 561 } 562 rtl_dbg(rtlpriv, COMP_DIG, DBG_WARNING, 563 "dig values 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 564 dm_digtable->cur_igvalue, dm_digtable->pre_igvalue, 565 dm_digtable->rssi_val_min, dm_digtable->back_val, 566 dm_digtable->rx_gain_max, dm_digtable->rx_gain_min, 567 dm_digtable->large_fa_hit, dm_digtable->forbidden_igi); 568 } 569 EXPORT_SYMBOL(rtl92c_dm_write_dig); 570 571 static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw) 572 { 573 struct rtl_priv *rtlpriv = rtl_priv(hw); 574 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 575 long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff; 576 577 if (mac->link_state != MAC80211_LINKED) 578 return; 579 580 if (mac->opmode == NL80211_IFTYPE_ADHOC || 581 mac->opmode == NL80211_IFTYPE_AP) { 582 /* TODO: Handle ADHOC and AP Mode */ 583 } 584 585 if (tmpentry_max_pwdb != 0) 586 rtlpriv->dm.entry_max_undec_sm_pwdb = tmpentry_max_pwdb; 587 else 588 rtlpriv->dm.entry_max_undec_sm_pwdb = 0; 589 590 if (tmpentry_min_pwdb != 0xff) 591 rtlpriv->dm.entry_min_undec_sm_pwdb = tmpentry_min_pwdb; 592 else 593 rtlpriv->dm.entry_min_undec_sm_pwdb = 0; 594 595 /* TODO: 596 * if (mac->opmode == NL80211_IFTYPE_STATION) { 597 * if (rtlpriv->rtlhal.fw_ready) { 598 * u32 param = (u32)(rtlpriv->dm.undec_sm_pwdb << 16); 599 * rtl8192c_set_rssi_cmd(hw, param); 600 * } 601 * } 602 */ 603 } 604 605 void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw) 606 { 607 struct rtl_priv *rtlpriv = rtl_priv(hw); 608 609 rtlpriv->dm.current_turbo_edca = false; 610 rtlpriv->dm.is_any_nonbepkts = false; 611 rtlpriv->dm.is_cur_rdlstate = false; 612 } 613 EXPORT_SYMBOL(rtl92c_dm_init_edca_turbo); 614 615 static void rtl92c_dm_check_edca_turbo(struct ieee80211_hw *hw) 616 { 617 struct rtl_priv *rtlpriv = rtl_priv(hw); 618 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 619 620 static u64 last_txok_cnt; 621 static u64 last_rxok_cnt; 622 static u32 last_bt_edca_ul; 623 static u32 last_bt_edca_dl; 624 u64 cur_txok_cnt = 0; 625 u64 cur_rxok_cnt = 0; 626 u32 edca_be_ul = 0x5ea42b; 627 u32 edca_be_dl = 0x5ea42b; 628 bool bt_change_edca = false; 629 630 if ((last_bt_edca_ul != rtlpriv->btcoexist.bt_edca_ul) || 631 (last_bt_edca_dl != rtlpriv->btcoexist.bt_edca_dl)) { 632 rtlpriv->dm.current_turbo_edca = false; 633 last_bt_edca_ul = rtlpriv->btcoexist.bt_edca_ul; 634 last_bt_edca_dl = rtlpriv->btcoexist.bt_edca_dl; 635 } 636 637 if (rtlpriv->btcoexist.bt_edca_ul != 0) { 638 edca_be_ul = rtlpriv->btcoexist.bt_edca_ul; 639 bt_change_edca = true; 640 } 641 642 if (rtlpriv->btcoexist.bt_edca_dl != 0) { 643 edca_be_dl = rtlpriv->btcoexist.bt_edca_dl; 644 bt_change_edca = true; 645 } 646 647 if (mac->link_state != MAC80211_LINKED) { 648 rtlpriv->dm.current_turbo_edca = false; 649 return; 650 } 651 652 if ((!mac->ht_enable) && (!rtlpriv->btcoexist.bt_coexistence)) { 653 if (!(edca_be_ul & 0xffff0000)) 654 edca_be_ul |= 0x005e0000; 655 656 if (!(edca_be_dl & 0xffff0000)) 657 edca_be_dl |= 0x005e0000; 658 } 659 660 if ((bt_change_edca) || ((!rtlpriv->dm.is_any_nonbepkts) && 661 (!rtlpriv->dm.disable_framebursting))) { 662 cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt; 663 cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt; 664 665 if (cur_rxok_cnt > 4 * cur_txok_cnt) { 666 if (!rtlpriv->dm.is_cur_rdlstate || 667 !rtlpriv->dm.current_turbo_edca) { 668 rtl_write_dword(rtlpriv, 669 REG_EDCA_BE_PARAM, 670 edca_be_dl); 671 rtlpriv->dm.is_cur_rdlstate = true; 672 } 673 } else { 674 if (rtlpriv->dm.is_cur_rdlstate || 675 !rtlpriv->dm.current_turbo_edca) { 676 rtl_write_dword(rtlpriv, 677 REG_EDCA_BE_PARAM, 678 edca_be_ul); 679 rtlpriv->dm.is_cur_rdlstate = false; 680 } 681 } 682 rtlpriv->dm.current_turbo_edca = true; 683 } else { 684 if (rtlpriv->dm.current_turbo_edca) { 685 u8 tmp = AC0_BE; 686 687 rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM, 688 &tmp); 689 rtlpriv->dm.current_turbo_edca = false; 690 } 691 } 692 693 rtlpriv->dm.is_any_nonbepkts = false; 694 last_txok_cnt = rtlpriv->stats.txbytesunicast; 695 last_rxok_cnt = rtlpriv->stats.rxbytesunicast; 696 } 697 698 static void rtl92c_dm_txpower_tracking_callback_thermalmeter(struct ieee80211_hw 699 *hw) 700 { 701 struct rtl_priv *rtlpriv = rtl_priv(hw); 702 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 703 struct rtl_phy *rtlphy = &(rtlpriv->phy); 704 struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); 705 u8 thermalvalue, delta, delta_lck, delta_iqk; 706 long ele_a, ele_d, temp_cck, val_x, value32; 707 long val_y, ele_c = 0; 708 u8 ofdm_index[2], ofdm_index_old[2] = {0, 0}, cck_index_old = 0; 709 s8 cck_index = 0; 710 int i; 711 bool is2t = IS_92C_SERIAL(rtlhal->version); 712 s8 txpwr_level[3] = {0, 0, 0}; 713 u8 ofdm_min_index = 6, rf; 714 715 rtlpriv->dm.txpower_trackinginit = true; 716 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, 717 "%s\n", __func__); 718 719 thermalvalue = (u8) rtl_get_rfreg(hw, RF90_PATH_A, RF_T_METER, 0x1f); 720 721 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, 722 "Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x\n", 723 thermalvalue, rtlpriv->dm.thermalvalue, 724 rtlefuse->eeprom_thermalmeter); 725 726 rtl92c_phy_ap_calibrate(hw, (thermalvalue - 727 rtlefuse->eeprom_thermalmeter)); 728 if (is2t) 729 rf = 2; 730 else 731 rf = 1; 732 733 if (thermalvalue) { 734 ele_d = rtl_get_bbreg(hw, ROFDM0_XATXIQIMBALANCE, 735 MASKDWORD) & MASKOFDM_D; 736 737 for (i = 0; i < OFDM_TABLE_LENGTH; i++) { 738 if (ele_d == (ofdmswing_table[i] & MASKOFDM_D)) { 739 ofdm_index_old[0] = (u8) i; 740 741 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, 742 "Initial pathA ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n", 743 ROFDM0_XATXIQIMBALANCE, 744 ele_d, ofdm_index_old[0]); 745 break; 746 } 747 } 748 749 if (is2t) { 750 ele_d = rtl_get_bbreg(hw, ROFDM0_XBTXIQIMBALANCE, 751 MASKDWORD) & MASKOFDM_D; 752 753 for (i = 0; i < OFDM_TABLE_LENGTH; i++) { 754 if (ele_d == (ofdmswing_table[i] & 755 MASKOFDM_D)) { 756 ofdm_index_old[1] = (u8) i; 757 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, 758 DBG_LOUD, 759 "Initial pathB ele_d reg0x%x = 0x%lx, ofdm_index=0x%x\n", 760 ROFDM0_XBTXIQIMBALANCE, ele_d, 761 ofdm_index_old[1]); 762 break; 763 } 764 } 765 } 766 767 temp_cck = 768 rtl_get_bbreg(hw, RCCK0_TXFILTER2, MASKDWORD) & MASKCCK; 769 770 for (i = 0; i < CCK_TABLE_LENGTH; i++) { 771 if (rtlpriv->dm.cck_inch14) { 772 if (memcmp((void *)&temp_cck, 773 (void *)&cckswing_table_ch14[i][2], 774 4) == 0) { 775 cck_index_old = (u8) i; 776 777 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, 778 DBG_LOUD, 779 "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch 14 %d\n", 780 RCCK0_TXFILTER2, temp_cck, 781 cck_index_old, 782 rtlpriv->dm.cck_inch14); 783 break; 784 } 785 } else { 786 if (memcmp((void *)&temp_cck, 787 (void *) 788 &cckswing_table_ch1ch13[i][2], 789 4) == 0) { 790 cck_index_old = (u8) i; 791 792 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, 793 DBG_LOUD, 794 "Initial reg0x%x = 0x%lx, cck_index=0x%x, ch14 %d\n", 795 RCCK0_TXFILTER2, temp_cck, 796 cck_index_old, 797 rtlpriv->dm.cck_inch14); 798 break; 799 } 800 } 801 } 802 803 if (!rtlpriv->dm.thermalvalue) { 804 rtlpriv->dm.thermalvalue = 805 rtlefuse->eeprom_thermalmeter; 806 rtlpriv->dm.thermalvalue_lck = thermalvalue; 807 rtlpriv->dm.thermalvalue_iqk = thermalvalue; 808 for (i = 0; i < rf; i++) 809 rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i]; 810 rtlpriv->dm.cck_index = cck_index_old; 811 } 812 /* Handle USB High PA boards */ 813 814 delta = (thermalvalue > rtlpriv->dm.thermalvalue) ? 815 (thermalvalue - rtlpriv->dm.thermalvalue) : 816 (rtlpriv->dm.thermalvalue - thermalvalue); 817 818 delta_lck = (thermalvalue > rtlpriv->dm.thermalvalue_lck) ? 819 (thermalvalue - rtlpriv->dm.thermalvalue_lck) : 820 (rtlpriv->dm.thermalvalue_lck - thermalvalue); 821 822 delta_iqk = (thermalvalue > rtlpriv->dm.thermalvalue_iqk) ? 823 (thermalvalue - rtlpriv->dm.thermalvalue_iqk) : 824 (rtlpriv->dm.thermalvalue_iqk - thermalvalue); 825 826 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, 827 "Readback Thermal Meter = 0x%x pre thermal meter 0x%x eeprom_thermalmeter 0x%x delta 0x%x delta_lck 0x%x delta_iqk 0x%x\n", 828 thermalvalue, rtlpriv->dm.thermalvalue, 829 rtlefuse->eeprom_thermalmeter, delta, delta_lck, 830 delta_iqk); 831 832 if (delta_lck > 1) { 833 rtlpriv->dm.thermalvalue_lck = thermalvalue; 834 rtl92c_phy_lc_calibrate(hw); 835 } 836 837 if (delta > 0 && rtlpriv->dm.txpower_track_control) { 838 if (thermalvalue > rtlpriv->dm.thermalvalue) { 839 for (i = 0; i < rf; i++) 840 rtlpriv->dm.ofdm_index[i] -= delta; 841 rtlpriv->dm.cck_index -= delta; 842 } else { 843 for (i = 0; i < rf; i++) 844 rtlpriv->dm.ofdm_index[i] += delta; 845 rtlpriv->dm.cck_index += delta; 846 } 847 848 if (is2t) { 849 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, 850 "temp OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n", 851 rtlpriv->dm.ofdm_index[0], 852 rtlpriv->dm.ofdm_index[1], 853 rtlpriv->dm.cck_index); 854 } else { 855 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, 856 "temp OFDM_A_index=0x%x, cck_index=0x%x\n", 857 rtlpriv->dm.ofdm_index[0], 858 rtlpriv->dm.cck_index); 859 } 860 861 if (thermalvalue > rtlefuse->eeprom_thermalmeter) { 862 for (i = 0; i < rf; i++) 863 ofdm_index[i] = 864 rtlpriv->dm.ofdm_index[i] 865 + 1; 866 cck_index = rtlpriv->dm.cck_index + 1; 867 } else { 868 for (i = 0; i < rf; i++) 869 ofdm_index[i] = 870 rtlpriv->dm.ofdm_index[i]; 871 cck_index = rtlpriv->dm.cck_index; 872 } 873 874 for (i = 0; i < rf; i++) { 875 if (txpwr_level[i] >= 0 && 876 txpwr_level[i] <= 26) { 877 if (thermalvalue > 878 rtlefuse->eeprom_thermalmeter) { 879 if (delta < 5) 880 ofdm_index[i] -= 1; 881 882 else 883 ofdm_index[i] -= 2; 884 } else if (delta > 5 && thermalvalue < 885 rtlefuse-> 886 eeprom_thermalmeter) { 887 ofdm_index[i] += 1; 888 } 889 } else if (txpwr_level[i] >= 27 && 890 txpwr_level[i] <= 32 891 && thermalvalue > 892 rtlefuse->eeprom_thermalmeter) { 893 if (delta < 5) 894 ofdm_index[i] -= 1; 895 896 else 897 ofdm_index[i] -= 2; 898 } else if (txpwr_level[i] >= 32 && 899 txpwr_level[i] <= 38 && 900 thermalvalue > 901 rtlefuse->eeprom_thermalmeter 902 && delta > 5) { 903 ofdm_index[i] -= 1; 904 } 905 } 906 907 if (txpwr_level[i] >= 0 && txpwr_level[i] <= 26) { 908 if (thermalvalue > 909 rtlefuse->eeprom_thermalmeter) { 910 if (delta < 5) 911 cck_index -= 1; 912 913 else 914 cck_index -= 2; 915 } else if (delta > 5 && thermalvalue < 916 rtlefuse->eeprom_thermalmeter) { 917 cck_index += 1; 918 } 919 } else if (txpwr_level[i] >= 27 && 920 txpwr_level[i] <= 32 && 921 thermalvalue > 922 rtlefuse->eeprom_thermalmeter) { 923 if (delta < 5) 924 cck_index -= 1; 925 926 else 927 cck_index -= 2; 928 } else if (txpwr_level[i] >= 32 && 929 txpwr_level[i] <= 38 && 930 thermalvalue > rtlefuse->eeprom_thermalmeter 931 && delta > 5) { 932 cck_index -= 1; 933 } 934 935 for (i = 0; i < rf; i++) { 936 if (ofdm_index[i] > OFDM_TABLE_SIZE - 1) 937 ofdm_index[i] = OFDM_TABLE_SIZE - 1; 938 939 else if (ofdm_index[i] < ofdm_min_index) 940 ofdm_index[i] = ofdm_min_index; 941 } 942 943 if (cck_index > CCK_TABLE_SIZE - 1) 944 cck_index = CCK_TABLE_SIZE - 1; 945 else if (cck_index < 0) 946 cck_index = 0; 947 948 if (is2t) { 949 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, 950 "new OFDM_A_index=0x%x, OFDM_B_index=0x%x, cck_index=0x%x\n", 951 ofdm_index[0], ofdm_index[1], 952 cck_index); 953 } else { 954 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, 955 "new OFDM_A_index=0x%x, cck_index=0x%x\n", 956 ofdm_index[0], cck_index); 957 } 958 } 959 960 if (rtlpriv->dm.txpower_track_control && delta != 0) { 961 ele_d = 962 (ofdmswing_table[ofdm_index[0]] & 0xFFC00000) >> 22; 963 val_x = rtlphy->reg_e94; 964 val_y = rtlphy->reg_e9c; 965 966 if (val_x != 0) { 967 if ((val_x & 0x00000200) != 0) 968 val_x = val_x | 0xFFFFFC00; 969 ele_a = ((val_x * ele_d) >> 8) & 0x000003FF; 970 971 if ((val_y & 0x00000200) != 0) 972 val_y = val_y | 0xFFFFFC00; 973 ele_c = ((val_y * ele_d) >> 8) & 0x000003FF; 974 975 value32 = (ele_d << 22) | 976 ((ele_c & 0x3F) << 16) | ele_a; 977 978 rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, 979 MASKDWORD, value32); 980 981 value32 = (ele_c & 0x000003C0) >> 6; 982 rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS, 983 value32); 984 985 value32 = ((val_x * ele_d) >> 7) & 0x01; 986 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, 987 BIT(31), value32); 988 989 value32 = ((val_y * ele_d) >> 7) & 0x01; 990 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, 991 BIT(29), value32); 992 } else { 993 rtl_set_bbreg(hw, ROFDM0_XATXIQIMBALANCE, 994 MASKDWORD, 995 ofdmswing_table[ofdm_index[0]]); 996 997 rtl_set_bbreg(hw, ROFDM0_XCTXAFE, MASKH4BITS, 998 0x00); 999 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, 1000 BIT(31) | BIT(29), 0x00); 1001 } 1002 1003 if (!rtlpriv->dm.cck_inch14) { 1004 rtl_write_byte(rtlpriv, 0xa22, 1005 cckswing_table_ch1ch13[cck_index] 1006 [0]); 1007 rtl_write_byte(rtlpriv, 0xa23, 1008 cckswing_table_ch1ch13[cck_index] 1009 [1]); 1010 rtl_write_byte(rtlpriv, 0xa24, 1011 cckswing_table_ch1ch13[cck_index] 1012 [2]); 1013 rtl_write_byte(rtlpriv, 0xa25, 1014 cckswing_table_ch1ch13[cck_index] 1015 [3]); 1016 rtl_write_byte(rtlpriv, 0xa26, 1017 cckswing_table_ch1ch13[cck_index] 1018 [4]); 1019 rtl_write_byte(rtlpriv, 0xa27, 1020 cckswing_table_ch1ch13[cck_index] 1021 [5]); 1022 rtl_write_byte(rtlpriv, 0xa28, 1023 cckswing_table_ch1ch13[cck_index] 1024 [6]); 1025 rtl_write_byte(rtlpriv, 0xa29, 1026 cckswing_table_ch1ch13[cck_index] 1027 [7]); 1028 } else { 1029 rtl_write_byte(rtlpriv, 0xa22, 1030 cckswing_table_ch14[cck_index] 1031 [0]); 1032 rtl_write_byte(rtlpriv, 0xa23, 1033 cckswing_table_ch14[cck_index] 1034 [1]); 1035 rtl_write_byte(rtlpriv, 0xa24, 1036 cckswing_table_ch14[cck_index] 1037 [2]); 1038 rtl_write_byte(rtlpriv, 0xa25, 1039 cckswing_table_ch14[cck_index] 1040 [3]); 1041 rtl_write_byte(rtlpriv, 0xa26, 1042 cckswing_table_ch14[cck_index] 1043 [4]); 1044 rtl_write_byte(rtlpriv, 0xa27, 1045 cckswing_table_ch14[cck_index] 1046 [5]); 1047 rtl_write_byte(rtlpriv, 0xa28, 1048 cckswing_table_ch14[cck_index] 1049 [6]); 1050 rtl_write_byte(rtlpriv, 0xa29, 1051 cckswing_table_ch14[cck_index] 1052 [7]); 1053 } 1054 1055 if (is2t) { 1056 ele_d = (ofdmswing_table[ofdm_index[1]] & 1057 0xFFC00000) >> 22; 1058 1059 val_x = rtlphy->reg_eb4; 1060 val_y = rtlphy->reg_ebc; 1061 1062 if (val_x != 0) { 1063 if ((val_x & 0x00000200) != 0) 1064 val_x = val_x | 0xFFFFFC00; 1065 ele_a = ((val_x * ele_d) >> 8) & 1066 0x000003FF; 1067 1068 if ((val_y & 0x00000200) != 0) 1069 val_y = val_y | 0xFFFFFC00; 1070 ele_c = ((val_y * ele_d) >> 8) & 1071 0x00003FF; 1072 1073 value32 = (ele_d << 22) | 1074 ((ele_c & 0x3F) << 16) | ele_a; 1075 rtl_set_bbreg(hw, 1076 ROFDM0_XBTXIQIMBALANCE, 1077 MASKDWORD, value32); 1078 1079 value32 = (ele_c & 0x000003C0) >> 6; 1080 rtl_set_bbreg(hw, ROFDM0_XDTXAFE, 1081 MASKH4BITS, value32); 1082 1083 value32 = ((val_x * ele_d) >> 7) & 0x01; 1084 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, 1085 BIT(27), value32); 1086 1087 value32 = ((val_y * ele_d) >> 7) & 0x01; 1088 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, 1089 BIT(25), value32); 1090 } else { 1091 rtl_set_bbreg(hw, 1092 ROFDM0_XBTXIQIMBALANCE, 1093 MASKDWORD, 1094 ofdmswing_table[ofdm_index 1095 [1]]); 1096 rtl_set_bbreg(hw, ROFDM0_XDTXAFE, 1097 MASKH4BITS, 0x00); 1098 rtl_set_bbreg(hw, ROFDM0_ECCATHRESHOLD, 1099 BIT(27) | BIT(25), 0x00); 1100 } 1101 1102 } 1103 } 1104 1105 if (delta_iqk > 3) { 1106 rtlpriv->dm.thermalvalue_iqk = thermalvalue; 1107 rtl92c_phy_iq_calibrate(hw, false); 1108 } 1109 1110 if (rtlpriv->dm.txpower_track_control) 1111 rtlpriv->dm.thermalvalue = thermalvalue; 1112 } 1113 1114 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===\n"); 1115 1116 } 1117 1118 static void rtl92c_dm_initialize_txpower_tracking_thermalmeter( 1119 struct ieee80211_hw *hw) 1120 { 1121 struct rtl_priv *rtlpriv = rtl_priv(hw); 1122 1123 rtlpriv->dm.txpower_tracking = true; 1124 rtlpriv->dm.txpower_trackinginit = false; 1125 1126 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, 1127 "pMgntInfo->txpower_tracking = %d\n", 1128 rtlpriv->dm.txpower_tracking); 1129 } 1130 1131 static void rtl92c_dm_initialize_txpower_tracking(struct ieee80211_hw *hw) 1132 { 1133 rtl92c_dm_initialize_txpower_tracking_thermalmeter(hw); 1134 } 1135 1136 static void rtl92c_dm_txpower_tracking_directcall(struct ieee80211_hw *hw) 1137 { 1138 rtl92c_dm_txpower_tracking_callback_thermalmeter(hw); 1139 } 1140 1141 static void rtl92c_dm_check_txpower_tracking_thermal_meter( 1142 struct ieee80211_hw *hw) 1143 { 1144 struct rtl_priv *rtlpriv = rtl_priv(hw); 1145 1146 if (!rtlpriv->dm.txpower_tracking) 1147 return; 1148 1149 if (!rtlpriv->dm.tm_trigger) { 1150 rtl_set_rfreg(hw, RF90_PATH_A, RF_T_METER, RFREG_OFFSET_MASK, 1151 0x60); 1152 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, 1153 "Trigger 92S Thermal Meter!!\n"); 1154 rtlpriv->dm.tm_trigger = 1; 1155 return; 1156 } else { 1157 rtl_dbg(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, 1158 "Schedule TxPowerTracking direct call!!\n"); 1159 rtl92c_dm_txpower_tracking_directcall(hw); 1160 rtlpriv->dm.tm_trigger = 0; 1161 } 1162 } 1163 1164 void rtl92c_dm_check_txpower_tracking(struct ieee80211_hw *hw) 1165 { 1166 rtl92c_dm_check_txpower_tracking_thermal_meter(hw); 1167 } 1168 EXPORT_SYMBOL(rtl92c_dm_check_txpower_tracking); 1169 1170 void rtl92c_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw) 1171 { 1172 struct rtl_priv *rtlpriv = rtl_priv(hw); 1173 struct rate_adaptive *p_ra = &(rtlpriv->ra); 1174 1175 p_ra->ratr_state = DM_RATR_STA_INIT; 1176 p_ra->pre_ratr_state = DM_RATR_STA_INIT; 1177 1178 if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER) 1179 rtlpriv->dm.useramask = true; 1180 else 1181 rtlpriv->dm.useramask = false; 1182 1183 } 1184 EXPORT_SYMBOL(rtl92c_dm_init_rate_adaptive_mask); 1185 1186 static void rtl92c_dm_init_dynamic_bb_powersaving(struct ieee80211_hw *hw) 1187 { 1188 struct rtl_priv *rtlpriv = rtl_priv(hw); 1189 struct ps_t *dm_pstable = &rtlpriv->dm_pstable; 1190 1191 dm_pstable->pre_ccastate = CCA_MAX; 1192 dm_pstable->cur_ccasate = CCA_MAX; 1193 dm_pstable->pre_rfstate = RF_MAX; 1194 dm_pstable->cur_rfstate = RF_MAX; 1195 dm_pstable->rssi_val_min = 0; 1196 } 1197 1198 void rtl92c_dm_rf_saving(struct ieee80211_hw *hw, u8 bforce_in_normal) 1199 { 1200 struct rtl_priv *rtlpriv = rtl_priv(hw); 1201 struct ps_t *dm_pstable = &rtlpriv->dm_pstable; 1202 1203 if (!rtlpriv->reg_init) { 1204 rtlpriv->reg_874 = (rtl_get_bbreg(hw, 1205 RFPGA0_XCD_RFINTERFACESW, 1206 MASKDWORD) & 0x1CC000) >> 14; 1207 1208 rtlpriv->reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1, 1209 MASKDWORD) & BIT(3)) >> 3; 1210 1211 rtlpriv->reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 1212 MASKDWORD) & 0xFF000000) >> 24; 1213 1214 rtlpriv->reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & 1215 0xF000) >> 12; 1216 1217 rtlpriv->reg_init = true; 1218 } 1219 1220 if (!bforce_in_normal) { 1221 if (dm_pstable->rssi_val_min != 0) { 1222 if (dm_pstable->pre_rfstate == RF_NORMAL) { 1223 if (dm_pstable->rssi_val_min >= 30) 1224 dm_pstable->cur_rfstate = RF_SAVE; 1225 else 1226 dm_pstable->cur_rfstate = RF_NORMAL; 1227 } else { 1228 if (dm_pstable->rssi_val_min <= 25) 1229 dm_pstable->cur_rfstate = RF_NORMAL; 1230 else 1231 dm_pstable->cur_rfstate = RF_SAVE; 1232 } 1233 } else { 1234 dm_pstable->cur_rfstate = RF_MAX; 1235 } 1236 } else { 1237 dm_pstable->cur_rfstate = RF_NORMAL; 1238 } 1239 1240 if (dm_pstable->pre_rfstate != dm_pstable->cur_rfstate) { 1241 if (dm_pstable->cur_rfstate == RF_SAVE) { 1242 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW, 1243 0x1C0000, 0x2); 1244 rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 0); 1245 rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 1246 0xFF000000, 0x63); 1247 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW, 1248 0xC000, 0x2); 1249 rtl_set_bbreg(hw, 0xa74, 0xF000, 0x3); 1250 rtl_set_bbreg(hw, 0x818, BIT(28), 0x0); 1251 rtl_set_bbreg(hw, 0x818, BIT(28), 0x1); 1252 } else { 1253 rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW, 1254 0x1CC000, rtlpriv->reg_874); 1255 rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3), 1256 rtlpriv->reg_c70); 1257 rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000, 1258 rtlpriv->reg_85c); 1259 rtl_set_bbreg(hw, 0xa74, 0xF000, rtlpriv->reg_a74); 1260 rtl_set_bbreg(hw, 0x818, BIT(28), 0x0); 1261 } 1262 1263 dm_pstable->pre_rfstate = dm_pstable->cur_rfstate; 1264 } 1265 } 1266 EXPORT_SYMBOL(rtl92c_dm_rf_saving); 1267 1268 static void rtl92c_dm_dynamic_bb_powersaving(struct ieee80211_hw *hw) 1269 { 1270 struct rtl_priv *rtlpriv = rtl_priv(hw); 1271 struct ps_t *dm_pstable = &rtlpriv->dm_pstable; 1272 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1273 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1274 1275 /* Determine the minimum RSSI */ 1276 if (((mac->link_state == MAC80211_NOLINK)) && 1277 (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) { 1278 dm_pstable->rssi_val_min = 0; 1279 rtl_dbg(rtlpriv, DBG_LOUD, DBG_LOUD, "Not connected to any\n"); 1280 } 1281 1282 if (mac->link_state == MAC80211_LINKED) { 1283 if (mac->opmode == NL80211_IFTYPE_ADHOC) { 1284 dm_pstable->rssi_val_min = 1285 rtlpriv->dm.entry_min_undec_sm_pwdb; 1286 rtl_dbg(rtlpriv, DBG_LOUD, DBG_LOUD, 1287 "AP Client PWDB = 0x%lx\n", 1288 dm_pstable->rssi_val_min); 1289 } else { 1290 dm_pstable->rssi_val_min = rtlpriv->dm.undec_sm_pwdb; 1291 rtl_dbg(rtlpriv, DBG_LOUD, DBG_LOUD, 1292 "STA Default Port PWDB = 0x%lx\n", 1293 dm_pstable->rssi_val_min); 1294 } 1295 } else { 1296 dm_pstable->rssi_val_min = 1297 rtlpriv->dm.entry_min_undec_sm_pwdb; 1298 1299 rtl_dbg(rtlpriv, DBG_LOUD, DBG_LOUD, 1300 "AP Ext Port PWDB = 0x%lx\n", 1301 dm_pstable->rssi_val_min); 1302 } 1303 1304 /* Power Saving for 92C */ 1305 if (IS_92C_SERIAL(rtlhal->version)) 1306 ;/* rtl92c_dm_1r_cca(hw); */ 1307 else 1308 rtl92c_dm_rf_saving(hw, false); 1309 } 1310 1311 void rtl92c_dm_init(struct ieee80211_hw *hw) 1312 { 1313 struct rtl_priv *rtlpriv = rtl_priv(hw); 1314 1315 rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER; 1316 rtlpriv->dm.dm_flag = DYNAMIC_FUNC_DISABLE | DYNAMIC_FUNC_DIG; 1317 rtlpriv->dm.undec_sm_pwdb = -1; 1318 rtlpriv->dm.undec_sm_cck = -1; 1319 rtlpriv->dm.dm_initialgain_enable = true; 1320 rtl_dm_diginit(hw, 0x20); 1321 1322 rtlpriv->dm.dm_flag |= HAL_DM_HIPWR_DISABLE; 1323 rtl92c_dm_init_dynamic_txpower(hw); 1324 1325 rtl92c_dm_init_edca_turbo(hw); 1326 rtl92c_dm_init_rate_adaptive_mask(hw); 1327 rtlpriv->dm.dm_flag |= DYNAMIC_FUNC_SS; 1328 rtl92c_dm_initialize_txpower_tracking(hw); 1329 rtl92c_dm_init_dynamic_bb_powersaving(hw); 1330 1331 rtlpriv->dm.ofdm_pkt_cnt = 0; 1332 rtlpriv->dm.dm_rssi_sel = RSSI_DEFAULT; 1333 } 1334 EXPORT_SYMBOL(rtl92c_dm_init); 1335 1336 void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw) 1337 { 1338 struct rtl_priv *rtlpriv = rtl_priv(hw); 1339 struct rtl_phy *rtlphy = &(rtlpriv->phy); 1340 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 1341 long undec_sm_pwdb; 1342 1343 if (!rtlpriv->dm.dynamic_txpower_enable) 1344 return; 1345 1346 if (rtlpriv->dm.dm_flag & HAL_DM_HIPWR_DISABLE) { 1347 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; 1348 return; 1349 } 1350 1351 if ((mac->link_state < MAC80211_LINKED) && 1352 (rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) { 1353 rtl_dbg(rtlpriv, COMP_POWER, DBG_TRACE, 1354 "Not connected to any\n"); 1355 1356 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; 1357 1358 rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL; 1359 return; 1360 } 1361 1362 if (mac->link_state >= MAC80211_LINKED) { 1363 if (mac->opmode == NL80211_IFTYPE_ADHOC) { 1364 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb; 1365 rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD, 1366 "AP Client PWDB = 0x%lx\n", 1367 undec_sm_pwdb); 1368 } else { 1369 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb; 1370 rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD, 1371 "STA Default Port PWDB = 0x%lx\n", 1372 undec_sm_pwdb); 1373 } 1374 } else { 1375 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb; 1376 1377 rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD, 1378 "AP Ext Port PWDB = 0x%lx\n", 1379 undec_sm_pwdb); 1380 } 1381 1382 if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) { 1383 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL2; 1384 rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD, 1385 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n"); 1386 } else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) && 1387 (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL1)) { 1388 1389 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1; 1390 rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD, 1391 "TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x10)\n"); 1392 } else if (undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL1 - 5)) { 1393 rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL; 1394 rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD, 1395 "TXHIGHPWRLEVEL_NORMAL\n"); 1396 } 1397 1398 if ((rtlpriv->dm.dynamic_txhighpower_lvl != rtlpriv->dm.last_dtp_lvl)) { 1399 rtl_dbg(rtlpriv, COMP_POWER, DBG_LOUD, 1400 "PHY_SetTxPowerLevel8192S() Channel = %d\n", 1401 rtlphy->current_channel); 1402 rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel); 1403 if (rtlpriv->dm.dynamic_txhighpower_lvl == 1404 TXHIGHPWRLEVEL_NORMAL) 1405 dm_restorepowerindex(hw); 1406 else if (rtlpriv->dm.dynamic_txhighpower_lvl == 1407 TXHIGHPWRLEVEL_LEVEL1) 1408 dm_writepowerindex(hw, 0x14); 1409 else if (rtlpriv->dm.dynamic_txhighpower_lvl == 1410 TXHIGHPWRLEVEL_LEVEL2) 1411 dm_writepowerindex(hw, 0x10); 1412 } 1413 rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl; 1414 } 1415 1416 void rtl92c_dm_watchdog(struct ieee80211_hw *hw) 1417 { 1418 struct rtl_priv *rtlpriv = rtl_priv(hw); 1419 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 1420 bool fw_current_inpsmode = false; 1421 bool fw_ps_awake = true; 1422 1423 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS, 1424 (u8 *) (&fw_current_inpsmode)); 1425 rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON, 1426 (u8 *) (&fw_ps_awake)); 1427 1428 if (ppsc->p2p_ps_info.p2p_ps_mode) 1429 fw_ps_awake = false; 1430 1431 if ((ppsc->rfpwr_state == ERFON) && ((!fw_current_inpsmode) && 1432 fw_ps_awake) 1433 && (!ppsc->rfchange_inprogress)) { 1434 rtl92c_dm_pwdb_monitor(hw); 1435 rtl92c_dm_dig(hw); 1436 rtl92c_dm_false_alarm_counter_statistics(hw); 1437 rtl92c_dm_dynamic_bb_powersaving(hw); 1438 rtl92c_dm_dynamic_txpower(hw); 1439 rtl92c_dm_check_txpower_tracking(hw); 1440 /* rtl92c_dm_refresh_rate_adaptive_mask(hw); */ 1441 rtl92c_dm_bt_coexist(hw); 1442 rtl92c_dm_check_edca_turbo(hw); 1443 } 1444 } 1445 EXPORT_SYMBOL(rtl92c_dm_watchdog); 1446 1447 u8 rtl92c_bt_rssi_state_change(struct ieee80211_hw *hw) 1448 { 1449 struct rtl_priv *rtlpriv = rtl_priv(hw); 1450 long undec_sm_pwdb; 1451 u8 curr_bt_rssi_state = 0x00; 1452 1453 if (rtlpriv->mac80211.link_state == MAC80211_LINKED) { 1454 undec_sm_pwdb = GET_UNDECORATED_AVERAGE_RSSI(rtlpriv); 1455 } else { 1456 if (rtlpriv->dm.entry_min_undec_sm_pwdb == 0) 1457 undec_sm_pwdb = 100; 1458 else 1459 undec_sm_pwdb = rtlpriv->dm.entry_min_undec_sm_pwdb; 1460 } 1461 1462 /* Check RSSI to determine HighPower/NormalPower state for 1463 * BT coexistence. */ 1464 if (undec_sm_pwdb >= 67) 1465 curr_bt_rssi_state &= (~BT_RSSI_STATE_NORMAL_POWER); 1466 else if (undec_sm_pwdb < 62) 1467 curr_bt_rssi_state |= BT_RSSI_STATE_NORMAL_POWER; 1468 1469 /* Check RSSI to determine AMPDU setting for BT coexistence. */ 1470 if (undec_sm_pwdb >= 40) 1471 curr_bt_rssi_state &= (~BT_RSSI_STATE_AMDPU_OFF); 1472 else if (undec_sm_pwdb <= 32) 1473 curr_bt_rssi_state |= BT_RSSI_STATE_AMDPU_OFF; 1474 1475 /* Marked RSSI state. It will be used to determine BT coexistence 1476 * setting later. */ 1477 if (undec_sm_pwdb < 35) 1478 curr_bt_rssi_state |= BT_RSSI_STATE_SPECIAL_LOW; 1479 else 1480 curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW); 1481 1482 /* Check BT state related to BT_Idle in B/G mode. */ 1483 if (undec_sm_pwdb < 15) 1484 curr_bt_rssi_state |= BT_RSSI_STATE_BG_EDCA_LOW; 1485 else 1486 curr_bt_rssi_state &= (~BT_RSSI_STATE_BG_EDCA_LOW); 1487 1488 if (curr_bt_rssi_state != rtlpriv->btcoexist.bt_rssi_state) { 1489 rtlpriv->btcoexist.bt_rssi_state = curr_bt_rssi_state; 1490 return true; 1491 } else { 1492 return false; 1493 } 1494 } 1495 EXPORT_SYMBOL(rtl92c_bt_rssi_state_change); 1496 1497 static bool rtl92c_bt_state_change(struct ieee80211_hw *hw) 1498 { 1499 struct rtl_priv *rtlpriv = rtl_priv(hw); 1500 1501 u32 polling, ratio_tx, ratio_pri; 1502 u32 bt_tx, bt_pri; 1503 u8 bt_state; 1504 u8 cur_service_type; 1505 1506 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) 1507 return false; 1508 1509 bt_state = rtl_read_byte(rtlpriv, 0x4fd); 1510 bt_tx = rtl_read_dword(rtlpriv, 0x488) & BT_MASK; 1511 bt_pri = rtl_read_dword(rtlpriv, 0x48c) & BT_MASK; 1512 polling = rtl_read_dword(rtlpriv, 0x490); 1513 1514 if (bt_tx == BT_MASK && bt_pri == BT_MASK && 1515 polling == 0xffffffff && bt_state == 0xff) 1516 return false; 1517 1518 bt_state &= BIT(0); 1519 if (bt_state != rtlpriv->btcoexist.bt_cur_state) { 1520 rtlpriv->btcoexist.bt_cur_state = bt_state; 1521 1522 if (rtlpriv->btcoexist.reg_bt_sco == 3) { 1523 rtlpriv->btcoexist.bt_service = BT_IDLE; 1524 1525 bt_state = bt_state | 1526 ((rtlpriv->btcoexist.bt_ant_isolation == 1) ? 1527 0 : BIT(1)) | BIT(2); 1528 rtl_write_byte(rtlpriv, 0x4fd, bt_state); 1529 } 1530 return true; 1531 } 1532 1533 ratio_tx = bt_tx * 1000 / polling; 1534 ratio_pri = bt_pri * 1000 / polling; 1535 rtlpriv->btcoexist.ratio_tx = ratio_tx; 1536 rtlpriv->btcoexist.ratio_pri = ratio_pri; 1537 1538 if (bt_state && rtlpriv->btcoexist.reg_bt_sco == 3) { 1539 1540 if ((ratio_tx < 30) && (ratio_pri < 30)) 1541 cur_service_type = BT_IDLE; 1542 else if ((ratio_pri > 110) && (ratio_pri < 250)) 1543 cur_service_type = BT_SCO; 1544 else if ((ratio_tx >= 200) && (ratio_pri >= 200)) 1545 cur_service_type = BT_BUSY; 1546 else if ((ratio_tx >= 350) && (ratio_tx < 500)) 1547 cur_service_type = BT_OTHERBUSY; 1548 else if (ratio_tx >= 500) 1549 cur_service_type = BT_PAN; 1550 else 1551 cur_service_type = BT_OTHER_ACTION; 1552 1553 if (cur_service_type != rtlpriv->btcoexist.bt_service) { 1554 rtlpriv->btcoexist.bt_service = cur_service_type; 1555 bt_state = bt_state | 1556 ((rtlpriv->btcoexist.bt_ant_isolation == 1) ? 1557 0 : BIT(1)) | 1558 ((rtlpriv->btcoexist.bt_service != BT_IDLE) ? 1559 0 : BIT(2)); 1560 1561 /* Add interrupt migration when bt is not ini 1562 * idle state (no traffic). */ 1563 if (rtlpriv->btcoexist.bt_service != BT_IDLE) { 1564 rtl_write_word(rtlpriv, 0x504, 0x0ccc); 1565 rtl_write_byte(rtlpriv, 0x506, 0x54); 1566 rtl_write_byte(rtlpriv, 0x507, 0x54); 1567 } else { 1568 rtl_write_byte(rtlpriv, 0x506, 0x00); 1569 rtl_write_byte(rtlpriv, 0x507, 0x00); 1570 } 1571 1572 rtl_write_byte(rtlpriv, 0x4fd, bt_state); 1573 return true; 1574 } 1575 } 1576 1577 return false; 1578 1579 } 1580 1581 static bool rtl92c_bt_wifi_connect_change(struct ieee80211_hw *hw) 1582 { 1583 struct rtl_priv *rtlpriv = rtl_priv(hw); 1584 static bool media_connect; 1585 1586 if (rtlpriv->mac80211.link_state < MAC80211_LINKED) { 1587 media_connect = false; 1588 } else { 1589 if (!media_connect) { 1590 media_connect = true; 1591 return true; 1592 } 1593 media_connect = true; 1594 } 1595 1596 return false; 1597 } 1598 1599 static void rtl92c_bt_set_normal(struct ieee80211_hw *hw) 1600 { 1601 struct rtl_priv *rtlpriv = rtl_priv(hw); 1602 1603 if (rtlpriv->btcoexist.bt_service == BT_OTHERBUSY) { 1604 rtlpriv->btcoexist.bt_edca_ul = 0x5ea72b; 1605 rtlpriv->btcoexist.bt_edca_dl = 0x5ea72b; 1606 } else if (rtlpriv->btcoexist.bt_service == BT_BUSY) { 1607 rtlpriv->btcoexist.bt_edca_ul = 0x5eb82f; 1608 rtlpriv->btcoexist.bt_edca_dl = 0x5eb82f; 1609 } else if (rtlpriv->btcoexist.bt_service == BT_SCO) { 1610 if (rtlpriv->btcoexist.ratio_tx > 160) { 1611 rtlpriv->btcoexist.bt_edca_ul = 0x5ea72f; 1612 rtlpriv->btcoexist.bt_edca_dl = 0x5ea72f; 1613 } else { 1614 rtlpriv->btcoexist.bt_edca_ul = 0x5ea32b; 1615 rtlpriv->btcoexist.bt_edca_dl = 0x5ea42b; 1616 } 1617 } else { 1618 rtlpriv->btcoexist.bt_edca_ul = 0; 1619 rtlpriv->btcoexist.bt_edca_dl = 0; 1620 } 1621 1622 if ((rtlpriv->btcoexist.bt_service != BT_IDLE) && 1623 (rtlpriv->mac80211.mode == WIRELESS_MODE_G || 1624 (rtlpriv->mac80211.mode == (WIRELESS_MODE_G | WIRELESS_MODE_B))) && 1625 (rtlpriv->btcoexist.bt_rssi_state & 1626 BT_RSSI_STATE_BG_EDCA_LOW)) { 1627 rtlpriv->btcoexist.bt_edca_ul = 0x5eb82b; 1628 rtlpriv->btcoexist.bt_edca_dl = 0x5eb82b; 1629 } 1630 } 1631 1632 static void rtl92c_bt_ant_isolation(struct ieee80211_hw *hw, u8 tmp1byte) 1633 { 1634 struct rtl_priv *rtlpriv = rtl_priv(hw); 1635 1636 /* Only enable HW BT coexist when BT in "Busy" state. */ 1637 if (rtlpriv->mac80211.vendor == PEER_CISCO && 1638 rtlpriv->btcoexist.bt_service == BT_OTHER_ACTION) { 1639 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0); 1640 } else { 1641 if ((rtlpriv->btcoexist.bt_service == BT_BUSY) && 1642 (rtlpriv->btcoexist.bt_rssi_state & 1643 BT_RSSI_STATE_NORMAL_POWER)) { 1644 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0); 1645 } else if ((rtlpriv->btcoexist.bt_service == 1646 BT_OTHER_ACTION) && (rtlpriv->mac80211.mode < 1647 WIRELESS_MODE_N_24G) && 1648 (rtlpriv->btcoexist.bt_rssi_state & 1649 BT_RSSI_STATE_SPECIAL_LOW)) { 1650 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, 0xa0); 1651 } else { 1652 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte); 1653 } 1654 } 1655 1656 if (rtlpriv->btcoexist.bt_service == BT_PAN) 1657 rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x10100); 1658 else 1659 rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, 0x0); 1660 1661 if (rtlpriv->btcoexist.bt_rssi_state & 1662 BT_RSSI_STATE_NORMAL_POWER) { 1663 rtl92c_bt_set_normal(hw); 1664 } else { 1665 rtlpriv->btcoexist.bt_edca_ul = 0; 1666 rtlpriv->btcoexist.bt_edca_dl = 0; 1667 } 1668 1669 if (rtlpriv->btcoexist.bt_service != BT_IDLE) { 1670 rtlpriv->cfg->ops->set_rfreg(hw, 1671 RF90_PATH_A, 1672 0x1e, 1673 0xf0, 0xf); 1674 } else { 1675 rtlpriv->cfg->ops->set_rfreg(hw, 1676 RF90_PATH_A, 0x1e, 0xf0, 1677 rtlpriv->btcoexist.bt_rfreg_origin_1e); 1678 } 1679 1680 if (!rtlpriv->dm.dynamic_txpower_enable) { 1681 if (rtlpriv->btcoexist.bt_service != BT_IDLE) { 1682 if (rtlpriv->btcoexist.bt_rssi_state & 1683 BT_RSSI_STATE_TXPOWER_LOW) { 1684 rtlpriv->dm.dynamic_txhighpower_lvl = 1685 TXHIGHPWRLEVEL_BT2; 1686 } else { 1687 rtlpriv->dm.dynamic_txhighpower_lvl = 1688 TXHIGHPWRLEVEL_BT1; 1689 } 1690 } else { 1691 rtlpriv->dm.dynamic_txhighpower_lvl = 1692 TXHIGHPWRLEVEL_NORMAL; 1693 } 1694 rtl92c_phy_set_txpower_level(hw, 1695 rtlpriv->phy.current_channel); 1696 } 1697 } 1698 1699 static void rtl92c_check_bt_change(struct ieee80211_hw *hw) 1700 { 1701 struct rtl_priv *rtlpriv = rtl_priv(hw); 1702 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); 1703 u8 tmp1byte = 0; 1704 1705 if (IS_81XXC_VENDOR_UMC_B_CUT(rtlhal->version) && 1706 rtlpriv->btcoexist.bt_coexistence) 1707 tmp1byte |= BIT(5); 1708 if (rtlpriv->btcoexist.bt_cur_state) { 1709 if (rtlpriv->btcoexist.bt_ant_isolation) 1710 rtl92c_bt_ant_isolation(hw, tmp1byte); 1711 } else { 1712 rtl_write_byte(rtlpriv, REG_GPIO_MUXCFG, tmp1byte); 1713 rtlpriv->cfg->ops->set_rfreg(hw, RF90_PATH_A, 0x1e, 0xf0, 1714 rtlpriv->btcoexist.bt_rfreg_origin_1e); 1715 1716 rtlpriv->btcoexist.bt_edca_ul = 0; 1717 rtlpriv->btcoexist.bt_edca_dl = 0; 1718 } 1719 } 1720 1721 void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw) 1722 { 1723 struct rtl_priv *rtlpriv = rtl_priv(hw); 1724 bool wifi_connect_change; 1725 bool bt_state_change; 1726 bool rssi_state_change; 1727 1728 if ((rtlpriv->btcoexist.bt_coexistence) && 1729 (rtlpriv->btcoexist.bt_coexist_type == BT_CSR_BC4)) { 1730 wifi_connect_change = rtl92c_bt_wifi_connect_change(hw); 1731 bt_state_change = rtl92c_bt_state_change(hw); 1732 rssi_state_change = rtl92c_bt_rssi_state_change(hw); 1733 1734 if (wifi_connect_change || bt_state_change || rssi_state_change) 1735 rtl92c_check_bt_change(hw); 1736 } 1737 } 1738 EXPORT_SYMBOL(rtl92c_dm_bt_coexist); 1739