1 // SPDX-License-Identifier: GPL-2.0 2 #include "r8192U.h" 3 #include "r8192U_hw.h" 4 #include "r819xU_phy.h" 5 #include "r819xU_phyreg.h" 6 #include "r8190_rtl8256.h" 7 #include "r8192U_dm.h" 8 #include "r819xU_firmware_img.h" 9 10 #include "ieee80211/dot11d.h" 11 #include <linux/bitops.h> 12 13 static u32 RF_CHANNEL_TABLE_ZEBRA[] = { 14 0, 15 0x085c, /* 2412 1 */ 16 0x08dc, /* 2417 2 */ 17 0x095c, /* 2422 3 */ 18 0x09dc, /* 2427 4 */ 19 0x0a5c, /* 2432 5 */ 20 0x0adc, /* 2437 6 */ 21 0x0b5c, /* 2442 7 */ 22 0x0bdc, /* 2447 8 */ 23 0x0c5c, /* 2452 9 */ 24 0x0cdc, /* 2457 10 */ 25 0x0d5c, /* 2462 11 */ 26 0x0ddc, /* 2467 12 */ 27 0x0e5c, /* 2472 13 */ 28 0x0f72, /* 2484 */ 29 }; 30 31 #define rtl819XMACPHY_Array Rtl8192UsbMACPHY_Array 32 33 /****************************************************************************** 34 * function: This function checks different RF type to execute legal judgement. 35 * If RF Path is illegal, we will return false. 36 * input: net_device *dev 37 * u32 e_rfpath 38 * output: none 39 * return: 0(illegal, false), 1(legal, true) 40 *****************************************************************************/ 41 u8 rtl8192_phy_CheckIsLegalRFPath(struct net_device *dev, u32 e_rfpath) 42 { 43 u8 ret = 1; 44 struct r8192_priv *priv = ieee80211_priv(dev); 45 46 if (priv->rf_type == RF_2T4R) { 47 ret = 0; 48 } else if (priv->rf_type == RF_1T2R) { 49 if (e_rfpath == RF90_PATH_A || e_rfpath == RF90_PATH_B) 50 ret = 1; 51 else if (e_rfpath == RF90_PATH_C || e_rfpath == RF90_PATH_D) 52 ret = 0; 53 } 54 return ret; 55 } 56 57 /****************************************************************************** 58 * function: This function sets specific bits to BB register 59 * input: net_device *dev 60 * u32 reg_addr //target addr to be modified 61 * u32 bitmask //taget bit pos to be modified 62 * u32 data //value to be write 63 * output: none 64 * return: none 65 * notice: 66 ******************************************************************************/ 67 void rtl8192_setBBreg(struct net_device *dev, u32 reg_addr, u32 bitmask, 68 u32 data) 69 { 70 u32 reg, bitshift; 71 72 if (bitmask != bMaskDWord) { 73 read_nic_dword(dev, reg_addr, ®); 74 bitshift = ffs(bitmask) - 1; 75 reg &= ~bitmask; 76 reg |= data << bitshift; 77 write_nic_dword(dev, reg_addr, reg); 78 } else { 79 write_nic_dword(dev, reg_addr, data); 80 } 81 } 82 83 /****************************************************************************** 84 * function: This function reads specific bits from BB register 85 * input: net_device *dev 86 * u32 reg_addr //target addr to be readback 87 * u32 bitmask //taget bit pos to be readback 88 * output: none 89 * return: u32 data //the readback register value 90 * notice: 91 ******************************************************************************/ 92 u32 rtl8192_QueryBBReg(struct net_device *dev, u32 reg_addr, u32 bitmask) 93 { 94 u32 reg, bitshift; 95 96 read_nic_dword(dev, reg_addr, ®); 97 bitshift = ffs(bitmask) - 1; 98 99 return (reg & bitmask) >> bitshift; 100 } 101 102 static u32 phy_FwRFSerialRead(struct net_device *dev, 103 enum rf90_radio_path_e e_rfpath, 104 u32 offset); 105 106 static void phy_FwRFSerialWrite(struct net_device *dev, 107 enum rf90_radio_path_e e_rfpath, 108 u32 offset, 109 u32 data); 110 111 /****************************************************************************** 112 * function: This function reads register from RF chip 113 * input: net_device *dev 114 * rf90_radio_path_e e_rfpath //radio path of A/B/C/D 115 * u32 offset //target address to be read 116 * output: none 117 * return: u32 readback value 118 * notice: There are three types of serial operations: 119 * (1) Software serial write. 120 * (2)Hardware LSSI-Low Speed Serial Interface. 121 * (3)Hardware HSSI-High speed serial write. 122 * Driver here need to implement (1) and (2) 123 * ---need more spec for this information. 124 ******************************************************************************/ 125 static u32 rtl8192_phy_RFSerialRead(struct net_device *dev, 126 enum rf90_radio_path_e e_rfpath, u32 offset) 127 { 128 struct r8192_priv *priv = ieee80211_priv(dev); 129 u32 ret = 0; 130 u32 new_offset = 0; 131 BB_REGISTER_DEFINITION_T *pPhyReg = &priv->PHYRegDef[e_rfpath]; 132 133 rtl8192_setBBreg(dev, pPhyReg->rfLSSIReadBack, bLSSIReadBackData, 0); 134 /* Make sure RF register offset is correct */ 135 offset &= 0x3f; 136 137 /* Switch page for 8256 RF IC */ 138 if (priv->rf_chip == RF_8256) { 139 if (offset >= 31) { 140 priv->RfReg0Value[e_rfpath] |= 0x140; 141 /* Switch to Reg_Mode2 for Reg 31-45 */ 142 rtl8192_setBBreg(dev, pPhyReg->rf3wireOffset, 143 bMaskDWord, 144 priv->RfReg0Value[e_rfpath]<<16); 145 /* Modify offset */ 146 new_offset = offset - 30; 147 } else if (offset >= 16) { 148 priv->RfReg0Value[e_rfpath] |= 0x100; 149 priv->RfReg0Value[e_rfpath] &= (~0x40); 150 /* Switch to Reg_Mode1 for Reg16-30 */ 151 rtl8192_setBBreg(dev, pPhyReg->rf3wireOffset, 152 bMaskDWord, 153 priv->RfReg0Value[e_rfpath]<<16); 154 155 new_offset = offset - 15; 156 } else { 157 new_offset = offset; 158 } 159 } else { 160 RT_TRACE((COMP_PHY|COMP_ERR), 161 "check RF type here, need to be 8256\n"); 162 new_offset = offset; 163 } 164 /* Put desired read addr to LSSI control Register */ 165 rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, bLSSIReadAddress, 166 new_offset); 167 /* Issue a posedge trigger */ 168 rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, bLSSIReadEdge, 0x0); 169 rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, bLSSIReadEdge, 0x1); 170 171 /* TODO: we should not delay such a long time. Ask for help from SD3 */ 172 usleep_range(1000, 1000); 173 174 ret = rtl8192_QueryBBReg(dev, pPhyReg->rfLSSIReadBack, 175 bLSSIReadBackData); 176 177 /* Switch back to Reg_Mode0 */ 178 if (priv->rf_chip == RF_8256) { 179 priv->RfReg0Value[e_rfpath] &= 0xebf; 180 181 rtl8192_setBBreg(dev, pPhyReg->rf3wireOffset, bMaskDWord, 182 priv->RfReg0Value[e_rfpath] << 16); 183 } 184 185 return ret; 186 } 187 188 /****************************************************************************** 189 * function: This function writes data to RF register 190 * input: net_device *dev 191 * rf90_radio_path_e e_rfpath //radio path of A/B/C/D 192 * u32 offset //target address to be written 193 * u32 data //the new register data to be written 194 * output: none 195 * return: none 196 * notice: For RF8256 only. 197 * =========================================================================== 198 * Reg Mode RegCTL[1] RegCTL[0] Note 199 * (Reg00[12]) (Reg00[10]) 200 * =========================================================================== 201 * Reg_Mode0 0 x Reg 0 ~ 15(0x0 ~ 0xf) 202 * --------------------------------------------------------------------------- 203 * Reg_Mode1 1 0 Reg 16 ~ 30(0x1 ~ 0xf) 204 * --------------------------------------------------------------------------- 205 * Reg_Mode2 1 1 Reg 31 ~ 45(0x1 ~ 0xf) 206 * --------------------------------------------------------------------------- 207 *****************************************************************************/ 208 static void rtl8192_phy_RFSerialWrite(struct net_device *dev, 209 enum rf90_radio_path_e e_rfpath, 210 u32 offset, 211 u32 data) 212 { 213 struct r8192_priv *priv = ieee80211_priv(dev); 214 u32 DataAndAddr = 0, new_offset = 0; 215 BB_REGISTER_DEFINITION_T *pPhyReg = &priv->PHYRegDef[e_rfpath]; 216 217 offset &= 0x3f; 218 if (priv->rf_chip == RF_8256) { 219 if (offset >= 31) { 220 priv->RfReg0Value[e_rfpath] |= 0x140; 221 rtl8192_setBBreg(dev, pPhyReg->rf3wireOffset, 222 bMaskDWord, 223 priv->RfReg0Value[e_rfpath] << 16); 224 new_offset = offset - 30; 225 } else if (offset >= 16) { 226 priv->RfReg0Value[e_rfpath] |= 0x100; 227 priv->RfReg0Value[e_rfpath] &= (~0x40); 228 rtl8192_setBBreg(dev, pPhyReg->rf3wireOffset, 229 bMaskDWord, 230 priv->RfReg0Value[e_rfpath]<<16); 231 new_offset = offset - 15; 232 } else { 233 new_offset = offset; 234 } 235 } else { 236 RT_TRACE((COMP_PHY|COMP_ERR), 237 "check RF type here, need to be 8256\n"); 238 new_offset = offset; 239 } 240 241 /* Put write addr in [5:0] and write data in [31:16] */ 242 DataAndAddr = (data<<16) | (new_offset&0x3f); 243 244 /* Write operation */ 245 rtl8192_setBBreg(dev, pPhyReg->rf3wireOffset, bMaskDWord, DataAndAddr); 246 247 if (offset == 0x0) 248 priv->RfReg0Value[e_rfpath] = data; 249 250 /* Switch back to Reg_Mode0 */ 251 if (priv->rf_chip == RF_8256) { 252 if (offset != 0) { 253 priv->RfReg0Value[e_rfpath] &= 0xebf; 254 rtl8192_setBBreg(dev, pPhyReg->rf3wireOffset, 255 bMaskDWord, 256 priv->RfReg0Value[e_rfpath] << 16); 257 } 258 } 259 } 260 261 /****************************************************************************** 262 * function: This function set specific bits to RF register 263 * input: net_device dev 264 * rf90_radio_path_e e_rfpath //radio path of A/B/C/D 265 * u32 reg_addr //target addr to be modified 266 * u32 bitmask //taget bit pos to be modified 267 * u32 data //value to be written 268 * output: none 269 * return: none 270 * notice: 271 *****************************************************************************/ 272 void rtl8192_phy_SetRFReg(struct net_device *dev, 273 enum rf90_radio_path_e e_rfpath, 274 u32 reg_addr, u32 bitmask, u32 data) 275 { 276 struct r8192_priv *priv = ieee80211_priv(dev); 277 u32 reg, bitshift; 278 279 if (!rtl8192_phy_CheckIsLegalRFPath(dev, e_rfpath)) 280 return; 281 282 if (priv->Rf_Mode == RF_OP_By_FW) { 283 if (bitmask != bMask12Bits) { 284 /* RF data is 12 bits only */ 285 reg = phy_FwRFSerialRead(dev, e_rfpath, reg_addr); 286 bitshift = ffs(bitmask) - 1; 287 reg &= ~bitmask; 288 reg |= data << bitshift; 289 290 phy_FwRFSerialWrite(dev, e_rfpath, reg_addr, reg); 291 } else { 292 phy_FwRFSerialWrite(dev, e_rfpath, reg_addr, data); 293 } 294 295 udelay(200); 296 297 } else { 298 if (bitmask != bMask12Bits) { 299 /* RF data is 12 bits only */ 300 reg = rtl8192_phy_RFSerialRead(dev, e_rfpath, reg_addr); 301 bitshift = ffs(bitmask) - 1; 302 reg &= ~bitmask; 303 reg |= data << bitshift; 304 305 rtl8192_phy_RFSerialWrite(dev, e_rfpath, reg_addr, reg); 306 } else { 307 rtl8192_phy_RFSerialWrite(dev, e_rfpath, reg_addr, data); 308 } 309 } 310 } 311 312 /****************************************************************************** 313 * function: This function reads specific bits from RF register 314 * input: net_device *dev 315 * u32 reg_addr //target addr to be readback 316 * u32 bitmask //taget bit pos to be readback 317 * output: none 318 * return: u32 data //the readback register value 319 * notice: 320 *****************************************************************************/ 321 u32 rtl8192_phy_QueryRFReg(struct net_device *dev, 322 enum rf90_radio_path_e e_rfpath, 323 u32 reg_addr, u32 bitmask) 324 { 325 u32 reg, bitshift; 326 struct r8192_priv *priv = ieee80211_priv(dev); 327 328 if (!rtl8192_phy_CheckIsLegalRFPath(dev, e_rfpath)) 329 return 0; 330 if (priv->Rf_Mode == RF_OP_By_FW) { 331 reg = phy_FwRFSerialRead(dev, e_rfpath, reg_addr); 332 udelay(200); 333 } else { 334 reg = rtl8192_phy_RFSerialRead(dev, e_rfpath, reg_addr); 335 } 336 bitshift = ffs(bitmask) - 1; 337 reg = (reg & bitmask) >> bitshift; 338 return reg; 339 } 340 341 /****************************************************************************** 342 * function: We support firmware to execute RF-R/W. 343 * input: net_device *dev 344 * rf90_radio_path_e e_rfpath 345 * u32 offset 346 * output: none 347 * return: u32 348 * notice: 349 ****************************************************************************/ 350 static u32 phy_FwRFSerialRead(struct net_device *dev, 351 enum rf90_radio_path_e e_rfpath, 352 u32 offset) 353 { 354 u32 reg = 0; 355 u32 data = 0; 356 u8 time = 0; 357 u32 tmp; 358 359 /* Firmware RF Write control. 360 * We can not execute the scheme in the initial step. 361 * Otherwise, RF-R/W will waste much time. 362 * This is only for site survey. 363 */ 364 /* 1. Read operation need not insert data. bit 0-11 */ 365 /* 2. Write RF register address. bit 12-19 */ 366 data |= ((offset&0xFF)<<12); 367 /* 3. Write RF path. bit 20-21 */ 368 data |= ((e_rfpath&0x3)<<20); 369 /* 4. Set RF read indicator. bit 22=0 */ 370 /* 5. Trigger Fw to operate the command. bit 31 */ 371 data |= 0x80000000; 372 /* 6. We can not execute read operation if bit 31 is 1. */ 373 read_nic_dword(dev, QPNR, &tmp); 374 while (tmp & 0x80000000) { 375 /* If FW can not finish RF-R/W for more than ?? times. 376 * We must reset FW. 377 */ 378 if (time++ < 100) { 379 udelay(10); 380 read_nic_dword(dev, QPNR, &tmp); 381 } else { 382 break; 383 } 384 } 385 /* 7. Execute read operation. */ 386 write_nic_dword(dev, QPNR, data); 387 /* 8. Check if firmware send back RF content. */ 388 read_nic_dword(dev, QPNR, &tmp); 389 while (tmp & 0x80000000) { 390 /* If FW can not finish RF-R/W for more than ?? times. 391 * We must reset FW. 392 */ 393 if (time++ < 100) { 394 udelay(10); 395 read_nic_dword(dev, QPNR, &tmp); 396 } else { 397 return 0; 398 } 399 } 400 read_nic_dword(dev, RF_DATA, ®); 401 402 return reg; 403 } 404 405 /****************************************************************************** 406 * function: We support firmware to execute RF-R/W. 407 * input: net_device *dev 408 * rf90_radio_path_e e_rfpath 409 * u32 offset 410 * u32 data 411 * output: none 412 * return: none 413 * notice: 414 ****************************************************************************/ 415 static void phy_FwRFSerialWrite(struct net_device *dev, 416 enum rf90_radio_path_e e_rfpath, 417 u32 offset, u32 data) 418 { 419 u8 time = 0; 420 u32 tmp; 421 422 /* Firmware RF Write control. 423 * We can not execute the scheme in the initial step. 424 * Otherwise, RF-R/W will waste much time. 425 * This is only for site survey. 426 */ 427 428 /* 1. Set driver write bit and 12 bit data. bit 0-11 */ 429 /* 2. Write RF register address. bit 12-19 */ 430 data |= ((offset&0xFF)<<12); 431 /* 3. Write RF path. bit 20-21 */ 432 data |= ((e_rfpath&0x3)<<20); 433 /* 4. Set RF write indicator. bit 22=1 */ 434 data |= 0x400000; 435 /* 5. Trigger Fw to operate the command. bit 31=1 */ 436 data |= 0x80000000; 437 438 /* 6. Write operation. We can not write if bit 31 is 1. */ 439 read_nic_dword(dev, QPNR, &tmp); 440 while (tmp & 0x80000000) { 441 /* If FW can not finish RF-R/W for more than ?? times. 442 * We must reset FW. 443 */ 444 if (time++ < 100) { 445 udelay(10); 446 read_nic_dword(dev, QPNR, &tmp); 447 } else { 448 break; 449 } 450 } 451 /* 7. No matter check bit. We always force the write. 452 * Because FW will not accept the command. 453 */ 454 write_nic_dword(dev, QPNR, data); 455 /* According to test, we must delay 20us to wait firmware 456 * to finish RF write operation. 457 */ 458 /* We support delay in firmware side now. */ 459 } 460 461 /****************************************************************************** 462 * function: This function reads BB parameters from header file we generate, 463 * and do register read/write 464 * input: net_device *dev 465 * output: none 466 * return: none 467 * notice: BB parameters may change all the time, so please make 468 * sure it has been synced with the newest. 469 *****************************************************************************/ 470 void rtl8192_phy_configmac(struct net_device *dev) 471 { 472 u32 dwArrayLen = 0, i; 473 u32 *pdwArray = NULL; 474 struct r8192_priv *priv = ieee80211_priv(dev); 475 476 if (priv->btxpowerdata_readfromEEPORM) { 477 RT_TRACE(COMP_PHY, "Rtl819XMACPHY_Array_PG\n"); 478 dwArrayLen = MACPHY_Array_PGLength; 479 pdwArray = Rtl8192UsbMACPHY_Array_PG; 480 481 } else { 482 RT_TRACE(COMP_PHY, "Rtl819XMACPHY_Array\n"); 483 dwArrayLen = MACPHY_ArrayLength; 484 pdwArray = rtl819XMACPHY_Array; 485 } 486 for (i = 0; i < dwArrayLen; i = i+3) { 487 if (pdwArray[i] == 0x318) 488 pdwArray[i+2] = 0x00000800; 489 490 RT_TRACE(COMP_DBG, 491 "Rtl8190MACPHY_Array[0]=%x Rtl8190MACPHY_Array[1]=%x Rtl8190MACPHY_Array[2]=%x\n", 492 pdwArray[i], pdwArray[i+1], pdwArray[i+2]); 493 rtl8192_setBBreg(dev, pdwArray[i], pdwArray[i+1], 494 pdwArray[i+2]); 495 } 496 } 497 498 /****************************************************************************** 499 * function: This function does dirty work 500 * input: net_device *dev 501 * u8 ConfigType 502 * output: none 503 * return: none 504 * notice: BB parameters may change all the time, so please make 505 * sure it has been synced with the newest. 506 *****************************************************************************/ 507 static void rtl8192_phyConfigBB(struct net_device *dev, 508 enum baseband_config_type ConfigType) 509 { 510 u32 i; 511 512 if (ConfigType == BASEBAND_CONFIG_PHY_REG) { 513 for (i = 0; i < PHY_REG_1T2RArrayLength; i += 2) { 514 rtl8192_setBBreg(dev, Rtl8192UsbPHY_REG_1T2RArray[i], 515 bMaskDWord, 516 Rtl8192UsbPHY_REG_1T2RArray[i+1]); 517 RT_TRACE(COMP_DBG, 518 "i: %x, Rtl819xUsbPHY_REGArray[0]=%x Rtl819xUsbPHY_REGArray[1]=%x\n", 519 i, Rtl8192UsbPHY_REG_1T2RArray[i], 520 Rtl8192UsbPHY_REG_1T2RArray[i+1]); 521 } 522 } else if (ConfigType == BASEBAND_CONFIG_AGC_TAB) { 523 for (i = 0; i < AGCTAB_ArrayLength; i += 2) { 524 rtl8192_setBBreg(dev, Rtl8192UsbAGCTAB_Array[i], 525 bMaskDWord, Rtl8192UsbAGCTAB_Array[i+1]); 526 RT_TRACE(COMP_DBG, 527 "i: %x, Rtl8192UsbAGCTAB_Array[0]=%x Rtl8192UsbAGCTAB_Array[1]=%x\n", 528 i, Rtl8192UsbAGCTAB_Array[i], 529 Rtl8192UsbAGCTAB_Array[i+1]); 530 } 531 } 532 } 533 534 /****************************************************************************** 535 * function: This function initializes Register definition offset for 536 * Radio Path A/B/C/D 537 * input: net_device *dev 538 * output: none 539 * return: none 540 * notice: Initialization value here is constant and it should never 541 * be changed 542 *****************************************************************************/ 543 static void rtl8192_InitBBRFRegDef(struct net_device *dev) 544 { 545 struct r8192_priv *priv = ieee80211_priv(dev); 546 547 /* RF Interface Software Control */ 548 /* 16 LSBs if read 32-bit from 0x870 */ 549 priv->PHYRegDef[RF90_PATH_A].rfintfs = rFPGA0_XAB_RFInterfaceSW; 550 /* 16 MSBs if read 32-bit from 0x870 (16-bit for 0x872) */ 551 priv->PHYRegDef[RF90_PATH_B].rfintfs = rFPGA0_XAB_RFInterfaceSW; 552 /* 16 LSBs if read 32-bit from 0x874 */ 553 priv->PHYRegDef[RF90_PATH_C].rfintfs = rFPGA0_XCD_RFInterfaceSW; 554 /* 16 MSBs if read 32-bit from 0x874 (16-bit for 0x876) */ 555 priv->PHYRegDef[RF90_PATH_D].rfintfs = rFPGA0_XCD_RFInterfaceSW; 556 557 /* RF Interface Readback Value */ 558 /* 16 LSBs if read 32-bit from 0x8E0 */ 559 priv->PHYRegDef[RF90_PATH_A].rfintfi = rFPGA0_XAB_RFInterfaceRB; 560 /* 16 MSBs if read 32-bit from 0x8E0 (16-bit for 0x8E2) */ 561 priv->PHYRegDef[RF90_PATH_B].rfintfi = rFPGA0_XAB_RFInterfaceRB; 562 /* 16 LSBs if read 32-bit from 0x8E4 */ 563 priv->PHYRegDef[RF90_PATH_C].rfintfi = rFPGA0_XCD_RFInterfaceRB; 564 /* 16 MSBs if read 32-bit from 0x8E4 (16-bit for 0x8E6) */ 565 priv->PHYRegDef[RF90_PATH_D].rfintfi = rFPGA0_XCD_RFInterfaceRB; 566 567 /* RF Interface Output (and Enable) */ 568 /* 16 LSBs if read 32-bit from 0x860 */ 569 priv->PHYRegDef[RF90_PATH_A].rfintfo = rFPGA0_XA_RFInterfaceOE; 570 /* 16 LSBs if read 32-bit from 0x864 */ 571 priv->PHYRegDef[RF90_PATH_B].rfintfo = rFPGA0_XB_RFInterfaceOE; 572 /* 16 LSBs if read 32-bit from 0x868 */ 573 priv->PHYRegDef[RF90_PATH_C].rfintfo = rFPGA0_XC_RFInterfaceOE; 574 /* 16 LSBs if read 32-bit from 0x86C */ 575 priv->PHYRegDef[RF90_PATH_D].rfintfo = rFPGA0_XD_RFInterfaceOE; 576 577 /* RF Interface (Output and) Enable */ 578 /* 16 MSBs if read 32-bit from 0x860 (16-bit for 0x862) */ 579 priv->PHYRegDef[RF90_PATH_A].rfintfe = rFPGA0_XA_RFInterfaceOE; 580 /* 16 MSBs if read 32-bit from 0x864 (16-bit for 0x866) */ 581 priv->PHYRegDef[RF90_PATH_B].rfintfe = rFPGA0_XB_RFInterfaceOE; 582 /* 16 MSBs if read 32-bit from 0x86A (16-bit for 0x86A) */ 583 priv->PHYRegDef[RF90_PATH_C].rfintfe = rFPGA0_XC_RFInterfaceOE; 584 /* 16 MSBs if read 32-bit from 0x86C (16-bit for 0x86E) */ 585 priv->PHYRegDef[RF90_PATH_D].rfintfe = rFPGA0_XD_RFInterfaceOE; 586 587 /* Addr of LSSI. Write RF register by driver */ 588 priv->PHYRegDef[RF90_PATH_A].rf3wireOffset = rFPGA0_XA_LSSIParameter; 589 priv->PHYRegDef[RF90_PATH_B].rf3wireOffset = rFPGA0_XB_LSSIParameter; 590 priv->PHYRegDef[RF90_PATH_C].rf3wireOffset = rFPGA0_XC_LSSIParameter; 591 priv->PHYRegDef[RF90_PATH_D].rf3wireOffset = rFPGA0_XD_LSSIParameter; 592 593 /* RF parameter */ 594 /* BB Band Select */ 595 priv->PHYRegDef[RF90_PATH_A].rfLSSI_Select = rFPGA0_XAB_RFParameter; 596 priv->PHYRegDef[RF90_PATH_B].rfLSSI_Select = rFPGA0_XAB_RFParameter; 597 priv->PHYRegDef[RF90_PATH_C].rfLSSI_Select = rFPGA0_XCD_RFParameter; 598 priv->PHYRegDef[RF90_PATH_D].rfLSSI_Select = rFPGA0_XCD_RFParameter; 599 600 /* Tx AGC Gain Stage (same for all path. Should we remove this?) */ 601 priv->PHYRegDef[RF90_PATH_A].rfTxGainStage = rFPGA0_TxGainStage; 602 priv->PHYRegDef[RF90_PATH_B].rfTxGainStage = rFPGA0_TxGainStage; 603 priv->PHYRegDef[RF90_PATH_C].rfTxGainStage = rFPGA0_TxGainStage; 604 priv->PHYRegDef[RF90_PATH_D].rfTxGainStage = rFPGA0_TxGainStage; 605 606 /* Tranceiver A~D HSSI Parameter-1 */ 607 /* wire control parameter1 */ 608 priv->PHYRegDef[RF90_PATH_A].rfHSSIPara1 = rFPGA0_XA_HSSIParameter1; 609 priv->PHYRegDef[RF90_PATH_B].rfHSSIPara1 = rFPGA0_XB_HSSIParameter1; 610 priv->PHYRegDef[RF90_PATH_C].rfHSSIPara1 = rFPGA0_XC_HSSIParameter1; 611 priv->PHYRegDef[RF90_PATH_D].rfHSSIPara1 = rFPGA0_XD_HSSIParameter1; 612 613 /* Tranceiver A~D HSSI Parameter-2 */ 614 /* wire control parameter2 */ 615 priv->PHYRegDef[RF90_PATH_A].rfHSSIPara2 = rFPGA0_XA_HSSIParameter2; 616 priv->PHYRegDef[RF90_PATH_B].rfHSSIPara2 = rFPGA0_XB_HSSIParameter2; 617 priv->PHYRegDef[RF90_PATH_C].rfHSSIPara2 = rFPGA0_XC_HSSIParameter2; 618 priv->PHYRegDef[RF90_PATH_D].rfHSSIPara2 = rFPGA0_XD_HSSIParameter2; 619 620 /* RF Switch Control */ 621 /* TR/Ant switch control */ 622 priv->PHYRegDef[RF90_PATH_A].rfSwitchControl = rFPGA0_XAB_SwitchControl; 623 priv->PHYRegDef[RF90_PATH_B].rfSwitchControl = rFPGA0_XAB_SwitchControl; 624 priv->PHYRegDef[RF90_PATH_C].rfSwitchControl = rFPGA0_XCD_SwitchControl; 625 priv->PHYRegDef[RF90_PATH_D].rfSwitchControl = rFPGA0_XCD_SwitchControl; 626 627 /* AGC control 1 */ 628 priv->PHYRegDef[RF90_PATH_A].rfAGCControl1 = rOFDM0_XAAGCCore1; 629 priv->PHYRegDef[RF90_PATH_B].rfAGCControl1 = rOFDM0_XBAGCCore1; 630 priv->PHYRegDef[RF90_PATH_C].rfAGCControl1 = rOFDM0_XCAGCCore1; 631 priv->PHYRegDef[RF90_PATH_D].rfAGCControl1 = rOFDM0_XDAGCCore1; 632 633 /* AGC control 2 */ 634 priv->PHYRegDef[RF90_PATH_A].rfAGCControl2 = rOFDM0_XAAGCCore2; 635 priv->PHYRegDef[RF90_PATH_B].rfAGCControl2 = rOFDM0_XBAGCCore2; 636 priv->PHYRegDef[RF90_PATH_C].rfAGCControl2 = rOFDM0_XCAGCCore2; 637 priv->PHYRegDef[RF90_PATH_D].rfAGCControl2 = rOFDM0_XDAGCCore2; 638 639 /* RX AFE control 1 */ 640 priv->PHYRegDef[RF90_PATH_A].rfRxIQImbalance = rOFDM0_XARxIQImbalance; 641 priv->PHYRegDef[RF90_PATH_B].rfRxIQImbalance = rOFDM0_XBRxIQImbalance; 642 priv->PHYRegDef[RF90_PATH_C].rfRxIQImbalance = rOFDM0_XCRxIQImbalance; 643 priv->PHYRegDef[RF90_PATH_D].rfRxIQImbalance = rOFDM0_XDRxIQImbalance; 644 645 /* RX AFE control 1 */ 646 priv->PHYRegDef[RF90_PATH_A].rfRxAFE = rOFDM0_XARxAFE; 647 priv->PHYRegDef[RF90_PATH_B].rfRxAFE = rOFDM0_XBRxAFE; 648 priv->PHYRegDef[RF90_PATH_C].rfRxAFE = rOFDM0_XCRxAFE; 649 priv->PHYRegDef[RF90_PATH_D].rfRxAFE = rOFDM0_XDRxAFE; 650 651 /* Tx AFE control 1 */ 652 priv->PHYRegDef[RF90_PATH_A].rfTxIQImbalance = rOFDM0_XATxIQImbalance; 653 priv->PHYRegDef[RF90_PATH_B].rfTxIQImbalance = rOFDM0_XBTxIQImbalance; 654 priv->PHYRegDef[RF90_PATH_C].rfTxIQImbalance = rOFDM0_XCTxIQImbalance; 655 priv->PHYRegDef[RF90_PATH_D].rfTxIQImbalance = rOFDM0_XDTxIQImbalance; 656 657 /* Tx AFE control 2 */ 658 priv->PHYRegDef[RF90_PATH_A].rfTxAFE = rOFDM0_XATxAFE; 659 priv->PHYRegDef[RF90_PATH_B].rfTxAFE = rOFDM0_XBTxAFE; 660 priv->PHYRegDef[RF90_PATH_C].rfTxAFE = rOFDM0_XCTxAFE; 661 priv->PHYRegDef[RF90_PATH_D].rfTxAFE = rOFDM0_XDTxAFE; 662 663 /* Tranceiver LSSI Readback */ 664 priv->PHYRegDef[RF90_PATH_A].rfLSSIReadBack = rFPGA0_XA_LSSIReadBack; 665 priv->PHYRegDef[RF90_PATH_B].rfLSSIReadBack = rFPGA0_XB_LSSIReadBack; 666 priv->PHYRegDef[RF90_PATH_C].rfLSSIReadBack = rFPGA0_XC_LSSIReadBack; 667 priv->PHYRegDef[RF90_PATH_D].rfLSSIReadBack = rFPGA0_XD_LSSIReadBack; 668 } 669 670 /****************************************************************************** 671 * function: This function is to write register and then readback to make 672 * sure whether BB and RF is OK 673 * input: net_device *dev 674 * hw90_block_e CheckBlock 675 * rf90_radio_path_e e_rfpath //only used when checkblock is 676 * //HW90_BLOCK_RF 677 * output: none 678 * return: return whether BB and RF is ok (0:OK, 1:Fail) 679 * notice: This function may be removed in the ASIC 680 ******************************************************************************/ 681 u8 rtl8192_phy_checkBBAndRF(struct net_device *dev, enum hw90_block_e CheckBlock, 682 enum rf90_radio_path_e e_rfpath) 683 { 684 u8 ret = 0; 685 u32 i, CheckTimes = 4, reg = 0; 686 u32 WriteAddr[4]; 687 u32 WriteData[] = {0xfffff027, 0xaa55a02f, 0x00000027, 0x55aa502f}; 688 689 /* Initialize register address offset to be checked */ 690 WriteAddr[HW90_BLOCK_MAC] = 0x100; 691 WriteAddr[HW90_BLOCK_PHY0] = 0x900; 692 WriteAddr[HW90_BLOCK_PHY1] = 0x800; 693 WriteAddr[HW90_BLOCK_RF] = 0x3; 694 RT_TRACE(COMP_PHY, "%s(), CheckBlock: %d\n", __func__, CheckBlock); 695 for (i = 0; i < CheckTimes; i++) { 696 /* Write data to register and readback */ 697 switch (CheckBlock) { 698 case HW90_BLOCK_MAC: 699 RT_TRACE(COMP_ERR, 700 "PHY_CheckBBRFOK(): Never Write 0x100 here!\n"); 701 break; 702 703 case HW90_BLOCK_PHY0: 704 case HW90_BLOCK_PHY1: 705 write_nic_dword(dev, WriteAddr[CheckBlock], 706 WriteData[i]); 707 read_nic_dword(dev, WriteAddr[CheckBlock], ®); 708 break; 709 710 case HW90_BLOCK_RF: 711 WriteData[i] &= 0xfff; 712 rtl8192_phy_SetRFReg(dev, e_rfpath, 713 WriteAddr[HW90_BLOCK_RF], 714 bMask12Bits, WriteData[i]); 715 /* TODO: we should not delay for such a long time. 716 * Ask SD3 717 */ 718 usleep_range(1000, 1000); 719 reg = rtl8192_phy_QueryRFReg(dev, e_rfpath, 720 WriteAddr[HW90_BLOCK_RF], 721 bMask12Bits); 722 usleep_range(1000, 1000); 723 break; 724 725 default: 726 ret = 1; 727 break; 728 } 729 730 /* Check whether readback data is correct */ 731 if (reg != WriteData[i]) { 732 RT_TRACE((COMP_PHY|COMP_ERR), 733 "error reg: %x, WriteData: %x\n", 734 reg, WriteData[i]); 735 ret = 1; 736 break; 737 } 738 } 739 740 return ret; 741 } 742 743 /****************************************************************************** 744 * function: This function initializes BB&RF 745 * input: net_device *dev 746 * output: none 747 * return: none 748 * notice: Initialization value may change all the time, so please make 749 * sure it has been synced with the newest. 750 ******************************************************************************/ 751 static void rtl8192_BB_Config_ParaFile(struct net_device *dev) 752 { 753 struct r8192_priv *priv = ieee80211_priv(dev); 754 u8 reg_u8 = 0, eCheckItem = 0, status = 0; 755 u32 reg_u32 = 0; 756 757 /************************************** 758 * <1> Initialize BaseBand 759 *************************************/ 760 761 /* --set BB Global Reset-- */ 762 read_nic_byte(dev, BB_GLOBAL_RESET, ®_u8); 763 write_nic_byte(dev, BB_GLOBAL_RESET, (reg_u8|BB_GLOBAL_RESET_BIT)); 764 mdelay(50); 765 /* ---set BB reset Active--- */ 766 read_nic_dword(dev, CPU_GEN, ®_u32); 767 write_nic_dword(dev, CPU_GEN, (reg_u32&(~CPU_GEN_BB_RST))); 768 769 /* ----Ckeck FPGAPHY0 and PHY1 board is OK---- */ 770 /* TODO: this function should be removed on ASIC */ 771 for (eCheckItem = (enum hw90_block_e)HW90_BLOCK_PHY0; 772 eCheckItem <= HW90_BLOCK_PHY1; eCheckItem++) { 773 /* don't care RF path */ 774 status = rtl8192_phy_checkBBAndRF(dev, (enum hw90_block_e)eCheckItem, 775 (enum rf90_radio_path_e)0); 776 if (status != 0) { 777 RT_TRACE((COMP_ERR | COMP_PHY), 778 "phy_rf8256_config(): Check PHY%d Fail!!\n", 779 eCheckItem-1); 780 return; 781 } 782 } 783 /* ---- Set CCK and OFDM Block "OFF"---- */ 784 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn|bOFDMEn, 0x0); 785 /* ----BB Register Initilazation---- */ 786 /* ==m==>Set PHY REG From Header<==m== */ 787 rtl8192_phyConfigBB(dev, BASEBAND_CONFIG_PHY_REG); 788 789 /* ----Set BB reset de-Active---- */ 790 read_nic_dword(dev, CPU_GEN, ®_u32); 791 write_nic_dword(dev, CPU_GEN, (reg_u32|CPU_GEN_BB_RST)); 792 793 /* ----BB AGC table Initialization---- */ 794 /* ==m==>Set PHY REG From Header<==m== */ 795 rtl8192_phyConfigBB(dev, BASEBAND_CONFIG_AGC_TAB); 796 797 /* ----Enable XSTAL ---- */ 798 write_nic_byte_E(dev, 0x5e, 0x00); 799 if (priv->card_8192_version == VERSION_819XU_A) { 800 /* Antenna gain offset from B/C/D to A */ 801 reg_u32 = priv->AntennaTxPwDiff[1]<<4 | 802 priv->AntennaTxPwDiff[0]; 803 rtl8192_setBBreg(dev, rFPGA0_TxGainStage, (bXBTxAGC|bXCTxAGC), 804 reg_u32); 805 806 /* XSTALLCap */ 807 reg_u32 = priv->CrystalCap & 0xf; 808 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, bXtalCap, 809 reg_u32); 810 } 811 812 /* Check if the CCK HighPower is turned ON. 813 * This is used to calculate PWDB. 814 */ 815 priv->bCckHighPower = (u8)rtl8192_QueryBBReg(dev, 816 rFPGA0_XA_HSSIParameter2, 817 0x200); 818 } 819 820 /****************************************************************************** 821 * function: This function initializes BB&RF 822 * input: net_device *dev 823 * output: none 824 * return: none 825 * notice: Initialization value may change all the time, so please make 826 * sure it has been synced with the newest. 827 *****************************************************************************/ 828 void rtl8192_BBConfig(struct net_device *dev) 829 { 830 rtl8192_InitBBRFRegDef(dev); 831 /* config BB&RF. As hardCode based initialization has not been well 832 * implemented, so use file first. 833 * FIXME: should implement it for hardcode? 834 */ 835 rtl8192_BB_Config_ParaFile(dev); 836 } 837 838 /****************************************************************************** 839 * function: This function obtains the initialization value of Tx power Level 840 * offset 841 * input: net_device *dev 842 * output: none 843 * return: none 844 *****************************************************************************/ 845 void rtl8192_phy_getTxPower(struct net_device *dev) 846 { 847 struct r8192_priv *priv = ieee80211_priv(dev); 848 u8 tmp; 849 850 read_nic_dword(dev, rTxAGC_Rate18_06, 851 &priv->MCSTxPowerLevelOriginalOffset[0]); 852 read_nic_dword(dev, rTxAGC_Rate54_24, 853 &priv->MCSTxPowerLevelOriginalOffset[1]); 854 read_nic_dword(dev, rTxAGC_Mcs03_Mcs00, 855 &priv->MCSTxPowerLevelOriginalOffset[2]); 856 read_nic_dword(dev, rTxAGC_Mcs07_Mcs04, 857 &priv->MCSTxPowerLevelOriginalOffset[3]); 858 read_nic_dword(dev, rTxAGC_Mcs11_Mcs08, 859 &priv->MCSTxPowerLevelOriginalOffset[4]); 860 read_nic_dword(dev, rTxAGC_Mcs15_Mcs12, 861 &priv->MCSTxPowerLevelOriginalOffset[5]); 862 863 /* Read rx initial gain */ 864 read_nic_byte(dev, rOFDM0_XAAGCCore1, &priv->DefaultInitialGain[0]); 865 read_nic_byte(dev, rOFDM0_XBAGCCore1, &priv->DefaultInitialGain[1]); 866 read_nic_byte(dev, rOFDM0_XCAGCCore1, &priv->DefaultInitialGain[2]); 867 read_nic_byte(dev, rOFDM0_XDAGCCore1, &priv->DefaultInitialGain[3]); 868 RT_TRACE(COMP_INIT, 869 "Default initial gain (c50=0x%x, c58=0x%x, c60=0x%x, c68=0x%x)\n", 870 priv->DefaultInitialGain[0], priv->DefaultInitialGain[1], 871 priv->DefaultInitialGain[2], priv->DefaultInitialGain[3]); 872 873 /* Read framesync */ 874 read_nic_byte(dev, rOFDM0_RxDetector3, &priv->framesync); 875 read_nic_byte(dev, rOFDM0_RxDetector2, &tmp); 876 priv->framesyncC34 = tmp; 877 RT_TRACE(COMP_INIT, "Default framesync (0x%x) = 0x%x\n", 878 rOFDM0_RxDetector3, priv->framesync); 879 880 /* Read SIFS (save the value read fome MACPHY_REG.txt) */ 881 read_nic_word(dev, SIFS, &priv->SifsTime); 882 } 883 884 /****************************************************************************** 885 * function: This function sets the initialization value of Tx power Level 886 * offset 887 * input: net_device *dev 888 * u8 channel 889 * output: none 890 * return: none 891 ******************************************************************************/ 892 void rtl8192_phy_setTxPower(struct net_device *dev, u8 channel) 893 { 894 struct r8192_priv *priv = ieee80211_priv(dev); 895 u8 powerlevel = priv->TxPowerLevelCCK[channel-1]; 896 u8 powerlevelOFDM24G = priv->TxPowerLevelOFDM24G[channel-1]; 897 898 switch (priv->rf_chip) { 899 case RF_8256: 900 /* need further implement */ 901 phy_set_rf8256_cck_tx_power(dev, powerlevel); 902 phy_set_rf8256_ofdm_tx_power(dev, powerlevelOFDM24G); 903 break; 904 default: 905 RT_TRACE((COMP_PHY|COMP_ERR), 906 "error RF chipID(8225 or 8258) in function %s()\n", 907 __func__); 908 break; 909 } 910 } 911 912 /****************************************************************************** 913 * function: This function checks Rf chip to do RF config 914 * input: net_device *dev 915 * output: none 916 * return: only 8256 is supported 917 ******************************************************************************/ 918 void rtl8192_phy_RFConfig(struct net_device *dev) 919 { 920 struct r8192_priv *priv = ieee80211_priv(dev); 921 922 switch (priv->rf_chip) { 923 case RF_8256: 924 phy_rf8256_config(dev); 925 break; 926 default: 927 RT_TRACE(COMP_ERR, "error chip id\n"); 928 break; 929 } 930 } 931 932 /****************************************************************************** 933 * function: This function updates Initial gain 934 * input: net_device *dev 935 * output: none 936 * return: As Windows has not implemented this, wait for complement 937 ******************************************************************************/ 938 void rtl8192_phy_updateInitGain(struct net_device *dev) 939 { 940 } 941 942 /****************************************************************************** 943 * function: This function read RF parameters from general head file, 944 * and do RF 3-wire 945 * input: net_device *dev 946 * rf90_radio_path_e e_rfpath 947 * output: none 948 * return: return code show if RF configuration is successful(0:pass, 1:fail) 949 * notice: Delay may be required for RF configuration 950 *****************************************************************************/ 951 u8 rtl8192_phy_ConfigRFWithHeaderFile(struct net_device *dev, 952 enum rf90_radio_path_e e_rfpath) 953 { 954 int i; 955 956 switch (e_rfpath) { 957 case RF90_PATH_A: 958 for (i = 0; i < RadioA_ArrayLength; i = i+2) { 959 if (Rtl8192UsbRadioA_Array[i] == 0xfe) { 960 mdelay(100); 961 continue; 962 } 963 rtl8192_phy_SetRFReg(dev, e_rfpath, 964 Rtl8192UsbRadioA_Array[i], 965 bMask12Bits, 966 Rtl8192UsbRadioA_Array[i+1]); 967 mdelay(1); 968 } 969 break; 970 case RF90_PATH_B: 971 for (i = 0; i < RadioB_ArrayLength; i = i+2) { 972 if (Rtl8192UsbRadioB_Array[i] == 0xfe) { 973 mdelay(100); 974 continue; 975 } 976 rtl8192_phy_SetRFReg(dev, e_rfpath, 977 Rtl8192UsbRadioB_Array[i], 978 bMask12Bits, 979 Rtl8192UsbRadioB_Array[i+1]); 980 mdelay(1); 981 } 982 break; 983 case RF90_PATH_C: 984 for (i = 0; i < RadioC_ArrayLength; i = i+2) { 985 if (Rtl8192UsbRadioC_Array[i] == 0xfe) { 986 mdelay(100); 987 continue; 988 } 989 rtl8192_phy_SetRFReg(dev, e_rfpath, 990 Rtl8192UsbRadioC_Array[i], 991 bMask12Bits, 992 Rtl8192UsbRadioC_Array[i+1]); 993 mdelay(1); 994 } 995 break; 996 case RF90_PATH_D: 997 for (i = 0; i < RadioD_ArrayLength; i = i+2) { 998 if (Rtl8192UsbRadioD_Array[i] == 0xfe) { 999 mdelay(100); 1000 continue; 1001 } 1002 rtl8192_phy_SetRFReg(dev, e_rfpath, 1003 Rtl8192UsbRadioD_Array[i], 1004 bMask12Bits, 1005 Rtl8192UsbRadioD_Array[i+1]); 1006 mdelay(1); 1007 } 1008 break; 1009 default: 1010 break; 1011 } 1012 1013 return 0; 1014 } 1015 1016 /****************************************************************************** 1017 * function: This function sets Tx Power of the channel 1018 * input: net_device *dev 1019 * u8 channel 1020 * output: none 1021 * return: none 1022 * notice: 1023 ******************************************************************************/ 1024 static void rtl8192_SetTxPowerLevel(struct net_device *dev, u8 channel) 1025 { 1026 struct r8192_priv *priv = ieee80211_priv(dev); 1027 u8 powerlevel = priv->TxPowerLevelCCK[channel-1]; 1028 u8 powerlevelOFDM24G = priv->TxPowerLevelOFDM24G[channel-1]; 1029 1030 switch (priv->rf_chip) { 1031 case RF_8225: 1032 break; 1033 1034 case RF_8256: 1035 phy_set_rf8256_cck_tx_power(dev, powerlevel); 1036 phy_set_rf8256_ofdm_tx_power(dev, powerlevelOFDM24G); 1037 break; 1038 1039 case RF_8258: 1040 break; 1041 default: 1042 RT_TRACE(COMP_ERR, "unknown rf chip ID in %s()\n", __func__); 1043 break; 1044 } 1045 } 1046 1047 /****************************************************************************** 1048 * function: This function sets RF state on or off 1049 * input: net_device *dev 1050 * RT_RF_POWER_STATE eRFPowerState //Power State to set 1051 * output: none 1052 * return: none 1053 * notice: 1054 *****************************************************************************/ 1055 bool rtl8192_SetRFPowerState(struct net_device *dev, 1056 RT_RF_POWER_STATE eRFPowerState) 1057 { 1058 bool bResult = true; 1059 struct r8192_priv *priv = ieee80211_priv(dev); 1060 1061 if (eRFPowerState == priv->ieee80211->eRFPowerState) 1062 return false; 1063 1064 if (priv->SetRFPowerStateInProgress) 1065 return false; 1066 1067 priv->SetRFPowerStateInProgress = true; 1068 1069 switch (priv->rf_chip) { 1070 case RF_8256: 1071 switch (eRFPowerState) { 1072 case eRfOn: 1073 /* RF-A, RF-B */ 1074 /* enable RF-Chip A/B - 0x860[4] */ 1075 rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT(4), 1076 0x1); 1077 /* analog to digital on - 0x88c[9:8] */ 1078 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0x300, 1079 0x3); 1080 /* digital to analog on - 0x880[4:3] */ 1081 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x18, 1082 0x3); 1083 /* rx antenna on - 0xc04[1:0] */ 1084 rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0x3, 0x3); 1085 /* rx antenna on - 0xd04[1:0] */ 1086 rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0x3, 0x3); 1087 /* analog to digital part2 on - 0x880[6:5] */ 1088 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 1089 0x3); 1090 1091 break; 1092 1093 case eRfSleep: 1094 1095 break; 1096 1097 case eRfOff: 1098 /* RF-A, RF-B */ 1099 /* disable RF-Chip A/B - 0x860[4] */ 1100 rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT(4), 1101 0x0); 1102 /* analog to digital off, for power save */ 1103 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0xf00, 1104 0x0); /* 0x88c[11:8] */ 1105 /* digital to analog off, for power save - 0x880[4:3] */ 1106 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x18, 1107 0x0); 1108 /* rx antenna off - 0xc04[3:0] */ 1109 rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0xf, 0x0); 1110 /* rx antenna off - 0xd04[3:0] */ 1111 rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0xf, 0x0); 1112 /* analog to digital part2 off, for power save */ 1113 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 1114 0x0); /* 0x880[6:5] */ 1115 1116 break; 1117 1118 default: 1119 bResult = false; 1120 RT_TRACE(COMP_ERR, "%s(): unknown state to set: 0x%X\n", 1121 __func__, eRFPowerState); 1122 break; 1123 } 1124 break; 1125 default: 1126 RT_TRACE(COMP_ERR, "Not support rf_chip(%x)\n", priv->rf_chip); 1127 break; 1128 } 1129 priv->SetRFPowerStateInProgress = false; 1130 1131 return bResult; 1132 } 1133 1134 /****************************************************************************** 1135 * function: This function sets command table variable (struct sw_chnl_cmd). 1136 * input: sw_chnl_cmd *CmdTable //table to be set 1137 * u32 CmdTableIdx //variable index in table to be set 1138 * u32 CmdTableSz //table size 1139 * switch_chan_cmd_id CmdID //command ID to set 1140 * u32 Para1 1141 * u32 Para2 1142 * u32 msDelay 1143 * output: 1144 * return: true if finished, false otherwise 1145 * notice: 1146 ******************************************************************************/ 1147 static u8 rtl8192_phy_SetSwChnlCmdArray(struct sw_chnl_cmd *CmdTable, u32 CmdTableIdx, 1148 u32 CmdTableSz, enum switch_chan_cmd_id CmdID, 1149 u32 Para1, u32 Para2, u32 msDelay) 1150 { 1151 struct sw_chnl_cmd *pCmd; 1152 1153 if (!CmdTable) { 1154 RT_TRACE(COMP_ERR, "%s(): CmdTable cannot be NULL\n", __func__); 1155 return false; 1156 } 1157 if (CmdTableIdx >= CmdTableSz) { 1158 RT_TRACE(COMP_ERR, "%s(): Access invalid index, please check size of the table, CmdTableIdx:%d, CmdTableSz:%d\n", 1159 __func__, CmdTableIdx, CmdTableSz); 1160 return false; 1161 } 1162 1163 pCmd = CmdTable + CmdTableIdx; 1164 pCmd->cmd_id = CmdID; 1165 pCmd->para_1 = Para1; 1166 pCmd->para_2 = Para2; 1167 pCmd->ms_delay = msDelay; 1168 1169 return true; 1170 } 1171 1172 /****************************************************************************** 1173 * function: This function sets channel step by step 1174 * input: net_device *dev 1175 * u8 channel 1176 * u8 *stage //3 stages 1177 * u8 *step 1178 * u32 *delay //whether need to delay 1179 * output: store new stage, step and delay for next step 1180 * (combine with function above) 1181 * return: true if finished, false otherwise 1182 * notice: Wait for simpler function to replace it 1183 *****************************************************************************/ 1184 static u8 rtl8192_phy_SwChnlStepByStep(struct net_device *dev, u8 channel, 1185 u8 *stage, u8 *step, u32 *delay) 1186 { 1187 struct r8192_priv *priv = ieee80211_priv(dev); 1188 struct sw_chnl_cmd PreCommonCmd[MAX_PRECMD_CNT]; 1189 u32 PreCommonCmdCnt; 1190 struct sw_chnl_cmd PostCommonCmd[MAX_POSTCMD_CNT]; 1191 u32 PostCommonCmdCnt; 1192 struct sw_chnl_cmd RfDependCmd[MAX_RFDEPENDCMD_CNT]; 1193 u32 RfDependCmdCnt; 1194 struct sw_chnl_cmd *CurrentCmd = NULL; 1195 u8 e_rfpath; 1196 1197 RT_TRACE(COMP_CH, "%s() stage: %d, step: %d, channel: %d\n", 1198 __func__, *stage, *step, channel); 1199 if (!is_legal_channel(priv->ieee80211, channel)) { 1200 RT_TRACE(COMP_ERR, "set to illegal channel: %d\n", channel); 1201 /* return true to tell upper caller function this channel 1202 * setting is finished! Or it will in while loop. 1203 */ 1204 return true; 1205 } 1206 /* FIXME: need to check whether channel is legal or not here */ 1207 1208 /* <1> Fill up pre common command. */ 1209 PreCommonCmdCnt = 0; 1210 rtl8192_phy_SetSwChnlCmdArray(PreCommonCmd, PreCommonCmdCnt++, 1211 MAX_PRECMD_CNT, CMD_ID_SET_TX_PWR_LEVEL, 1212 0, 0, 0); 1213 rtl8192_phy_SetSwChnlCmdArray(PreCommonCmd, PreCommonCmdCnt++, 1214 MAX_PRECMD_CNT, CMD_ID_END, 0, 0, 0); 1215 1216 /* <2> Fill up post common command. */ 1217 PostCommonCmdCnt = 0; 1218 1219 rtl8192_phy_SetSwChnlCmdArray(PostCommonCmd, PostCommonCmdCnt++, 1220 MAX_POSTCMD_CNT, CMD_ID_END, 0, 0, 0); 1221 1222 /* <3> Fill up RF dependent command. */ 1223 RfDependCmdCnt = 0; 1224 switch (priv->rf_chip) { 1225 case RF_8225: 1226 if (!(channel >= 1 && channel <= 14)) { 1227 RT_TRACE(COMP_ERR, 1228 "illegal channel for Zebra 8225: %d\n", 1229 channel); 1230 return true; 1231 } 1232 rtl8192_phy_SetSwChnlCmdArray(RfDependCmd, RfDependCmdCnt++, 1233 MAX_RFDEPENDCMD_CNT, 1234 CMD_ID_RF_WRITE_REG, 1235 rZebra1_Channel, 1236 RF_CHANNEL_TABLE_ZEBRA[channel], 1237 10); 1238 rtl8192_phy_SetSwChnlCmdArray(RfDependCmd, RfDependCmdCnt++, 1239 MAX_RFDEPENDCMD_CNT, 1240 CMD_ID_END, 0, 0, 0); 1241 break; 1242 1243 case RF_8256: 1244 /* TEST!! This is not the table for 8256!! */ 1245 if (!(channel >= 1 && channel <= 14)) { 1246 RT_TRACE(COMP_ERR, 1247 "illegal channel for Zebra 8256: %d\n", 1248 channel); 1249 return true; 1250 } 1251 rtl8192_phy_SetSwChnlCmdArray(RfDependCmd, RfDependCmdCnt++, 1252 MAX_RFDEPENDCMD_CNT, 1253 CMD_ID_RF_WRITE_REG, 1254 rZebra1_Channel, channel, 10); 1255 rtl8192_phy_SetSwChnlCmdArray(RfDependCmd, RfDependCmdCnt++, 1256 MAX_RFDEPENDCMD_CNT, 1257 CMD_ID_END, 0, 0, 0); 1258 break; 1259 1260 case RF_8258: 1261 break; 1262 1263 default: 1264 RT_TRACE(COMP_ERR, "Unknown RFChipID: %d\n", priv->rf_chip); 1265 return true; 1266 } 1267 1268 do { 1269 switch (*stage) { 1270 case 0: 1271 CurrentCmd = &PreCommonCmd[*step]; 1272 break; 1273 case 1: 1274 CurrentCmd = &RfDependCmd[*step]; 1275 break; 1276 case 2: 1277 CurrentCmd = &PostCommonCmd[*step]; 1278 break; 1279 } 1280 1281 if (CurrentCmd->cmd_id == CMD_ID_END) { 1282 if ((*stage) == 2) { 1283 (*delay) = CurrentCmd->ms_delay; 1284 return true; 1285 } 1286 (*stage)++; 1287 (*step) = 0; 1288 continue; 1289 } 1290 1291 switch (CurrentCmd->cmd_id) { 1292 case CMD_ID_SET_TX_PWR_LEVEL: 1293 if (priv->card_8192_version == VERSION_819XU_A) 1294 /* consider it later! */ 1295 rtl8192_SetTxPowerLevel(dev, channel); 1296 break; 1297 case CMD_ID_WRITE_PORT_ULONG: 1298 write_nic_dword(dev, CurrentCmd->para_1, 1299 CurrentCmd->para_2); 1300 break; 1301 case CMD_ID_WRITE_PORT_USHORT: 1302 write_nic_word(dev, CurrentCmd->para_1, 1303 (u16)CurrentCmd->para_2); 1304 break; 1305 case CMD_ID_WRITE_PORT_UCHAR: 1306 write_nic_byte(dev, CurrentCmd->para_1, 1307 (u8)CurrentCmd->para_2); 1308 break; 1309 case CMD_ID_RF_WRITE_REG: 1310 for (e_rfpath = 0; e_rfpath < RF90_PATH_MAX; e_rfpath++) { 1311 rtl8192_phy_SetRFReg(dev, 1312 (enum rf90_radio_path_e)e_rfpath, 1313 CurrentCmd->para_1, 1314 bZebra1_ChannelNum, 1315 CurrentCmd->para_2); 1316 } 1317 break; 1318 default: 1319 break; 1320 } 1321 1322 break; 1323 } while (true); 1324 1325 (*delay) = CurrentCmd->ms_delay; 1326 (*step)++; 1327 return false; 1328 } 1329 1330 /****************************************************************************** 1331 * function: This function does actually set channel work 1332 * input: net_device *dev 1333 * u8 channel 1334 * output: none 1335 * return: none 1336 * notice: We should not call this function directly 1337 *****************************************************************************/ 1338 static void rtl8192_phy_FinishSwChnlNow(struct net_device *dev, u8 channel) 1339 { 1340 struct r8192_priv *priv = ieee80211_priv(dev); 1341 u32 delay = 0; 1342 1343 while (!rtl8192_phy_SwChnlStepByStep(dev, channel, &priv->SwChnlStage, 1344 &priv->SwChnlStep, &delay)) { 1345 if (!priv->up) 1346 break; 1347 } 1348 } 1349 1350 /****************************************************************************** 1351 * function: Callback routine of the work item for switch channel. 1352 * input: net_device *dev 1353 * 1354 * output: none 1355 * return: none 1356 *****************************************************************************/ 1357 void rtl8192_SwChnl_WorkItem(struct net_device *dev) 1358 { 1359 struct r8192_priv *priv = ieee80211_priv(dev); 1360 1361 RT_TRACE(COMP_CH, "==> SwChnlCallback819xUsbWorkItem(), chan:%d\n", 1362 priv->chan); 1363 1364 rtl8192_phy_FinishSwChnlNow(dev, priv->chan); 1365 1366 RT_TRACE(COMP_CH, "<== SwChnlCallback819xUsbWorkItem()\n"); 1367 } 1368 1369 /****************************************************************************** 1370 * function: This function scheduled actual work item to set channel 1371 * input: net_device *dev 1372 * u8 channel //channel to set 1373 * output: none 1374 * return: return code show if workitem is scheduled (1:pass, 0:fail) 1375 * notice: Delay may be required for RF configuration 1376 ******************************************************************************/ 1377 u8 rtl8192_phy_SwChnl(struct net_device *dev, u8 channel) 1378 { 1379 struct r8192_priv *priv = ieee80211_priv(dev); 1380 1381 RT_TRACE(COMP_CH, "%s(), SwChnlInProgress: %d\n", __func__, 1382 priv->SwChnlInProgress); 1383 if (!priv->up) 1384 return false; 1385 if (priv->SwChnlInProgress) 1386 return false; 1387 1388 /* -------------------------------------------- */ 1389 switch (priv->ieee80211->mode) { 1390 case WIRELESS_MODE_A: 1391 case WIRELESS_MODE_N_5G: 1392 if (channel <= 14) { 1393 RT_TRACE(COMP_ERR, "WIRELESS_MODE_A but channel<=14\n"); 1394 return false; 1395 } 1396 break; 1397 case WIRELESS_MODE_B: 1398 if (channel > 14) { 1399 RT_TRACE(COMP_ERR, "WIRELESS_MODE_B but channel>14\n"); 1400 return false; 1401 } 1402 break; 1403 case WIRELESS_MODE_G: 1404 case WIRELESS_MODE_N_24G: 1405 if (channel > 14) { 1406 RT_TRACE(COMP_ERR, "WIRELESS_MODE_G but channel>14\n"); 1407 return false; 1408 } 1409 break; 1410 } 1411 /* -------------------------------------------- */ 1412 1413 priv->SwChnlInProgress = true; 1414 if (channel == 0) 1415 channel = 1; 1416 1417 priv->chan = channel; 1418 1419 priv->SwChnlStage = 0; 1420 priv->SwChnlStep = 0; 1421 if (priv->up) 1422 rtl8192_SwChnl_WorkItem(dev); 1423 1424 priv->SwChnlInProgress = false; 1425 return true; 1426 } 1427 1428 /****************************************************************************** 1429 * function: Callback routine of the work item for set bandwidth mode. 1430 * input: net_device *dev 1431 * output: none 1432 * return: none 1433 * notice: I doubt whether SetBWModeInProgress flag is necessary as we can 1434 * test whether current work in the queue or not.//do I? 1435 *****************************************************************************/ 1436 void rtl8192_SetBWModeWorkItem(struct net_device *dev) 1437 { 1438 struct r8192_priv *priv = ieee80211_priv(dev); 1439 u8 regBwOpMode; 1440 1441 RT_TRACE(COMP_SWBW, "%s() Switch to %s bandwidth\n", __func__, 1442 priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20?"20MHz":"40MHz"); 1443 1444 if (priv->rf_chip == RF_PSEUDO_11N) { 1445 priv->SetBWModeInProgress = false; 1446 return; 1447 } 1448 1449 /* <1> Set MAC register */ 1450 read_nic_byte(dev, BW_OPMODE, ®BwOpMode); 1451 1452 switch (priv->CurrentChannelBW) { 1453 case HT_CHANNEL_WIDTH_20: 1454 regBwOpMode |= BW_OPMODE_20MHZ; 1455 /* We have not verify whether this register works */ 1456 write_nic_byte(dev, BW_OPMODE, regBwOpMode); 1457 break; 1458 1459 case HT_CHANNEL_WIDTH_20_40: 1460 regBwOpMode &= ~BW_OPMODE_20MHZ; 1461 /* We have not verify whether this register works */ 1462 write_nic_byte(dev, BW_OPMODE, regBwOpMode); 1463 break; 1464 1465 default: 1466 RT_TRACE(COMP_ERR, 1467 "SetChannelBandwidth819xUsb(): unknown Bandwidth: %#X\n", 1468 priv->CurrentChannelBW); 1469 break; 1470 } 1471 1472 /* <2> Set PHY related register */ 1473 switch (priv->CurrentChannelBW) { 1474 case HT_CHANNEL_WIDTH_20: 1475 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bRFMOD, 0x0); 1476 rtl8192_setBBreg(dev, rFPGA1_RFMOD, bRFMOD, 0x0); 1477 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 1478 0x00100000, 1); 1479 1480 /* Correct the tx power for CCK rate in 20M. */ 1481 priv->cck_present_attenuation = 1482 priv->cck_present_attenuation_20Mdefault + 1483 priv->cck_present_attenuation_difference; 1484 1485 if (priv->cck_present_attenuation > 22) 1486 priv->cck_present_attenuation = 22; 1487 if (priv->cck_present_attenuation < 0) 1488 priv->cck_present_attenuation = 0; 1489 RT_TRACE(COMP_INIT, 1490 "20M, pHalData->CCKPresentAttentuation = %d\n", 1491 priv->cck_present_attenuation); 1492 1493 if (priv->chan == 14 && !priv->bcck_in_ch14) { 1494 priv->bcck_in_ch14 = true; 1495 dm_cck_txpower_adjust(dev, priv->bcck_in_ch14); 1496 } else if (priv->chan != 14 && priv->bcck_in_ch14) { 1497 priv->bcck_in_ch14 = false; 1498 dm_cck_txpower_adjust(dev, priv->bcck_in_ch14); 1499 } else { 1500 dm_cck_txpower_adjust(dev, priv->bcck_in_ch14); 1501 } 1502 1503 break; 1504 case HT_CHANNEL_WIDTH_20_40: 1505 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bRFMOD, 0x1); 1506 rtl8192_setBBreg(dev, rFPGA1_RFMOD, bRFMOD, 0x1); 1507 rtl8192_setBBreg(dev, rCCK0_System, bCCKSideBand, 1508 priv->nCur40MhzPrimeSC >> 1); 1509 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x00100000, 0); 1510 rtl8192_setBBreg(dev, rOFDM1_LSTF, 0xC00, 1511 priv->nCur40MhzPrimeSC); 1512 priv->cck_present_attenuation = 1513 priv->cck_present_attenuation_40Mdefault + 1514 priv->cck_present_attenuation_difference; 1515 1516 if (priv->cck_present_attenuation > 22) 1517 priv->cck_present_attenuation = 22; 1518 if (priv->cck_present_attenuation < 0) 1519 priv->cck_present_attenuation = 0; 1520 1521 RT_TRACE(COMP_INIT, 1522 "40M, pHalData->CCKPresentAttentuation = %d\n", 1523 priv->cck_present_attenuation); 1524 if (priv->chan == 14 && !priv->bcck_in_ch14) { 1525 priv->bcck_in_ch14 = true; 1526 dm_cck_txpower_adjust(dev, priv->bcck_in_ch14); 1527 } else if (priv->chan != 14 && priv->bcck_in_ch14) { 1528 priv->bcck_in_ch14 = false; 1529 dm_cck_txpower_adjust(dev, priv->bcck_in_ch14); 1530 } else { 1531 dm_cck_txpower_adjust(dev, priv->bcck_in_ch14); 1532 } 1533 1534 break; 1535 default: 1536 RT_TRACE(COMP_ERR, 1537 "SetChannelBandwidth819xUsb(): unknown Bandwidth: %#X\n", 1538 priv->CurrentChannelBW); 1539 break; 1540 } 1541 /* Skip over setting of J-mode in BB register here. 1542 * Default value is "None J mode". 1543 */ 1544 1545 /* <3> Set RF related register */ 1546 switch (priv->rf_chip) { 1547 case RF_8225: 1548 break; 1549 1550 case RF_8256: 1551 phy_set_rf8256_bandwidth(dev, priv->CurrentChannelBW); 1552 break; 1553 1554 case RF_8258: 1555 break; 1556 1557 case RF_PSEUDO_11N: 1558 break; 1559 1560 default: 1561 RT_TRACE(COMP_ERR, "Unknown RFChipID: %d\n", priv->rf_chip); 1562 break; 1563 } 1564 priv->SetBWModeInProgress = false; 1565 1566 RT_TRACE(COMP_SWBW, "<==SetBWMode819xUsb(), %d\n", 1567 atomic_read(&priv->ieee80211->atm_swbw)); 1568 } 1569 1570 /****************************************************************************** 1571 * function: This function schedules bandwidth switch work. 1572 * input: struct net_deviceq *dev 1573 * HT_CHANNEL_WIDTH bandwidth //20M or 40M 1574 * HT_EXTCHNL_OFFSET offset //Upper, Lower, or Don't care 1575 * output: none 1576 * return: none 1577 * notice: I doubt whether SetBWModeInProgress flag is necessary as we can 1578 * test whether current work in the queue or not.//do I? 1579 *****************************************************************************/ 1580 void rtl8192_SetBWMode(struct net_device *dev, 1581 enum ht_channel_width bandwidth, 1582 enum ht_extension_chan_offset offset) 1583 { 1584 struct r8192_priv *priv = ieee80211_priv(dev); 1585 1586 if (priv->SetBWModeInProgress) 1587 return; 1588 priv->SetBWModeInProgress = true; 1589 1590 priv->CurrentChannelBW = bandwidth; 1591 1592 if (offset == HT_EXTCHNL_OFFSET_LOWER) 1593 priv->nCur40MhzPrimeSC = HAL_PRIME_CHNL_OFFSET_UPPER; 1594 else if (offset == HT_EXTCHNL_OFFSET_UPPER) 1595 priv->nCur40MhzPrimeSC = HAL_PRIME_CHNL_OFFSET_LOWER; 1596 else 1597 priv->nCur40MhzPrimeSC = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 1598 1599 rtl8192_SetBWModeWorkItem(dev); 1600 } 1601 1602 void InitialGain819xUsb(struct net_device *dev, u8 Operation) 1603 { 1604 struct r8192_priv *priv = ieee80211_priv(dev); 1605 1606 priv->InitialGainOperateType = Operation; 1607 1608 if (priv->up) 1609 queue_delayed_work(priv->priv_wq, &priv->initialgain_operate_wq, 0); 1610 } 1611 1612 void InitialGainOperateWorkItemCallBack(struct work_struct *work) 1613 { 1614 struct delayed_work *dwork = to_delayed_work(work); 1615 struct r8192_priv *priv = container_of(dwork, struct r8192_priv, 1616 initialgain_operate_wq); 1617 struct net_device *dev = priv->ieee80211->dev; 1618 #define SCAN_RX_INITIAL_GAIN 0x17 1619 #define POWER_DETECTION_TH 0x08 1620 u32 bitmask; 1621 u8 initial_gain; 1622 u8 Operation; 1623 1624 Operation = priv->InitialGainOperateType; 1625 1626 switch (Operation) { 1627 case IG_Backup: 1628 RT_TRACE(COMP_SCAN, "IG_Backup, backup the initial gain.\n"); 1629 initial_gain = SCAN_RX_INITIAL_GAIN; 1630 bitmask = bMaskByte0; 1631 if (dm_digtable.dig_algorithm == DIG_ALGO_BY_FALSE_ALARM) 1632 /* FW DIG OFF */ 1633 rtl8192_setBBreg(dev, UFWP, bMaskByte1, 0x8); 1634 priv->initgain_backup.xaagccore1 = 1635 (u8)rtl8192_QueryBBReg(dev, rOFDM0_XAAGCCore1, bitmask); 1636 priv->initgain_backup.xbagccore1 = 1637 (u8)rtl8192_QueryBBReg(dev, rOFDM0_XBAGCCore1, bitmask); 1638 priv->initgain_backup.xcagccore1 = 1639 (u8)rtl8192_QueryBBReg(dev, rOFDM0_XCAGCCore1, bitmask); 1640 priv->initgain_backup.xdagccore1 = 1641 (u8)rtl8192_QueryBBReg(dev, rOFDM0_XDAGCCore1, bitmask); 1642 bitmask = bMaskByte2; 1643 priv->initgain_backup.cca = 1644 (u8)rtl8192_QueryBBReg(dev, rCCK0_CCA, bitmask); 1645 1646 RT_TRACE(COMP_SCAN, "Scan InitialGainBackup 0xc50 is %x\n", 1647 priv->initgain_backup.xaagccore1); 1648 RT_TRACE(COMP_SCAN, "Scan InitialGainBackup 0xc58 is %x\n", 1649 priv->initgain_backup.xbagccore1); 1650 RT_TRACE(COMP_SCAN, "Scan InitialGainBackup 0xc60 is %x\n", 1651 priv->initgain_backup.xcagccore1); 1652 RT_TRACE(COMP_SCAN, "Scan InitialGainBackup 0xc68 is %x\n", 1653 priv->initgain_backup.xdagccore1); 1654 RT_TRACE(COMP_SCAN, "Scan InitialGainBackup 0xa0a is %x\n", 1655 priv->initgain_backup.cca); 1656 1657 RT_TRACE(COMP_SCAN, "Write scan initial gain = 0x%x\n", 1658 initial_gain); 1659 write_nic_byte(dev, rOFDM0_XAAGCCore1, initial_gain); 1660 write_nic_byte(dev, rOFDM0_XBAGCCore1, initial_gain); 1661 write_nic_byte(dev, rOFDM0_XCAGCCore1, initial_gain); 1662 write_nic_byte(dev, rOFDM0_XDAGCCore1, initial_gain); 1663 RT_TRACE(COMP_SCAN, "Write scan 0xa0a = 0x%x\n", 1664 POWER_DETECTION_TH); 1665 write_nic_byte(dev, 0xa0a, POWER_DETECTION_TH); 1666 break; 1667 case IG_Restore: 1668 RT_TRACE(COMP_SCAN, "IG_Restore, restore the initial gain.\n"); 1669 bitmask = 0x7f; /* Bit0 ~ Bit6 */ 1670 if (dm_digtable.dig_algorithm == DIG_ALGO_BY_FALSE_ALARM) 1671 /* FW DIG OFF */ 1672 rtl8192_setBBreg(dev, UFWP, bMaskByte1, 0x8); 1673 1674 rtl8192_setBBreg(dev, rOFDM0_XAAGCCore1, bitmask, 1675 (u32)priv->initgain_backup.xaagccore1); 1676 rtl8192_setBBreg(dev, rOFDM0_XBAGCCore1, bitmask, 1677 (u32)priv->initgain_backup.xbagccore1); 1678 rtl8192_setBBreg(dev, rOFDM0_XCAGCCore1, bitmask, 1679 (u32)priv->initgain_backup.xcagccore1); 1680 rtl8192_setBBreg(dev, rOFDM0_XDAGCCore1, bitmask, 1681 (u32)priv->initgain_backup.xdagccore1); 1682 bitmask = bMaskByte2; 1683 rtl8192_setBBreg(dev, rCCK0_CCA, bitmask, 1684 (u32)priv->initgain_backup.cca); 1685 1686 RT_TRACE(COMP_SCAN, "Scan BBInitialGainRestore 0xc50 is %x\n", 1687 priv->initgain_backup.xaagccore1); 1688 RT_TRACE(COMP_SCAN, "Scan BBInitialGainRestore 0xc58 is %x\n", 1689 priv->initgain_backup.xbagccore1); 1690 RT_TRACE(COMP_SCAN, "Scan BBInitialGainRestore 0xc60 is %x\n", 1691 priv->initgain_backup.xcagccore1); 1692 RT_TRACE(COMP_SCAN, "Scan BBInitialGainRestore 0xc68 is %x\n", 1693 priv->initgain_backup.xdagccore1); 1694 RT_TRACE(COMP_SCAN, "Scan BBInitialGainRestore 0xa0a is %x\n", 1695 priv->initgain_backup.cca); 1696 1697 rtl8192_phy_setTxPower(dev, priv->ieee80211->current_network.channel); 1698 1699 if (dm_digtable.dig_algorithm == DIG_ALGO_BY_FALSE_ALARM) 1700 /* FW DIG ON */ 1701 rtl8192_setBBreg(dev, UFWP, bMaskByte1, 0x1); 1702 break; 1703 default: 1704 RT_TRACE(COMP_SCAN, "Unknown IG Operation.\n"); 1705 break; 1706 } 1707 } 1708