1 /****************************************************************************** 2 3 Copyright (c) 2001-2014, Intel Corporation 4 All rights reserved. 5 6 Redistribution and use in source and binary forms, with or without 7 modification, are permitted provided that the following conditions are met: 8 9 1. Redistributions of source code must retain the above copyright notice, 10 this list of conditions and the following disclaimer. 11 12 2. Redistributions in binary form must reproduce the above copyright 13 notice, this list of conditions and the following disclaimer in the 14 documentation and/or other materials provided with the distribution. 15 16 3. Neither the name of the Intel Corporation nor the names of its 17 contributors may be used to endorse or promote products derived from 18 this software without specific prior written permission. 19 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 POSSIBILITY OF SUCH DAMAGE. 31 32 ******************************************************************************/ 33 /*$FreeBSD:$*/ 34 35 #include "e1000_api.h" 36 37 /** 38 * e1000_init_mac_params - Initialize MAC function pointers 39 * @hw: pointer to the HW structure 40 * 41 * This function initializes the function pointers for the MAC 42 * set of functions. Called by drivers or by e1000_setup_init_funcs. 43 **/ 44 s32 e1000_init_mac_params(struct e1000_hw *hw) 45 { 46 s32 ret_val = E1000_SUCCESS; 47 48 if (hw->mac.ops.init_params) { 49 ret_val = hw->mac.ops.init_params(hw); 50 if (ret_val) { 51 DEBUGOUT("MAC Initialization Error\n"); 52 goto out; 53 } 54 } else { 55 DEBUGOUT("mac.init_mac_params was NULL\n"); 56 ret_val = -E1000_ERR_CONFIG; 57 } 58 59 out: 60 return ret_val; 61 } 62 63 /** 64 * e1000_init_nvm_params - Initialize NVM function pointers 65 * @hw: pointer to the HW structure 66 * 67 * This function initializes the function pointers for the NVM 68 * set of functions. Called by drivers or by e1000_setup_init_funcs. 69 **/ 70 s32 e1000_init_nvm_params(struct e1000_hw *hw) 71 { 72 s32 ret_val = E1000_SUCCESS; 73 74 if (hw->nvm.ops.init_params) { 75 ret_val = hw->nvm.ops.init_params(hw); 76 if (ret_val) { 77 DEBUGOUT("NVM Initialization Error\n"); 78 goto out; 79 } 80 } else { 81 DEBUGOUT("nvm.init_nvm_params was NULL\n"); 82 ret_val = -E1000_ERR_CONFIG; 83 } 84 85 out: 86 return ret_val; 87 } 88 89 /** 90 * e1000_init_phy_params - Initialize PHY function pointers 91 * @hw: pointer to the HW structure 92 * 93 * This function initializes the function pointers for the PHY 94 * set of functions. Called by drivers or by e1000_setup_init_funcs. 95 **/ 96 s32 e1000_init_phy_params(struct e1000_hw *hw) 97 { 98 s32 ret_val = E1000_SUCCESS; 99 100 if (hw->phy.ops.init_params) { 101 ret_val = hw->phy.ops.init_params(hw); 102 if (ret_val) { 103 DEBUGOUT("PHY Initialization Error\n"); 104 goto out; 105 } 106 } else { 107 DEBUGOUT("phy.init_phy_params was NULL\n"); 108 ret_val = -E1000_ERR_CONFIG; 109 } 110 111 out: 112 return ret_val; 113 } 114 115 /** 116 * e1000_init_mbx_params - Initialize mailbox function pointers 117 * @hw: pointer to the HW structure 118 * 119 * This function initializes the function pointers for the PHY 120 * set of functions. Called by drivers or by e1000_setup_init_funcs. 121 **/ 122 s32 e1000_init_mbx_params(struct e1000_hw *hw) 123 { 124 s32 ret_val = E1000_SUCCESS; 125 126 if (hw->mbx.ops.init_params) { 127 ret_val = hw->mbx.ops.init_params(hw); 128 if (ret_val) { 129 DEBUGOUT("Mailbox Initialization Error\n"); 130 goto out; 131 } 132 } else { 133 DEBUGOUT("mbx.init_mbx_params was NULL\n"); 134 ret_val = -E1000_ERR_CONFIG; 135 } 136 137 out: 138 return ret_val; 139 } 140 141 /** 142 * e1000_set_mac_type - Sets MAC type 143 * @hw: pointer to the HW structure 144 * 145 * This function sets the mac type of the adapter based on the 146 * device ID stored in the hw structure. 147 * MUST BE FIRST FUNCTION CALLED (explicitly or through 148 * e1000_setup_init_funcs()). 149 **/ 150 s32 e1000_set_mac_type(struct e1000_hw *hw) 151 { 152 struct e1000_mac_info *mac = &hw->mac; 153 s32 ret_val = E1000_SUCCESS; 154 155 DEBUGFUNC("e1000_set_mac_type"); 156 157 switch (hw->device_id) { 158 #ifndef NO_82542_SUPPORT 159 case E1000_DEV_ID_82542: 160 mac->type = e1000_82542; 161 break; 162 #endif 163 case E1000_DEV_ID_82543GC_FIBER: 164 case E1000_DEV_ID_82543GC_COPPER: 165 mac->type = e1000_82543; 166 break; 167 case E1000_DEV_ID_82544EI_COPPER: 168 case E1000_DEV_ID_82544EI_FIBER: 169 case E1000_DEV_ID_82544GC_COPPER: 170 case E1000_DEV_ID_82544GC_LOM: 171 mac->type = e1000_82544; 172 break; 173 case E1000_DEV_ID_82540EM: 174 case E1000_DEV_ID_82540EM_LOM: 175 case E1000_DEV_ID_82540EP: 176 case E1000_DEV_ID_82540EP_LOM: 177 case E1000_DEV_ID_82540EP_LP: 178 mac->type = e1000_82540; 179 break; 180 case E1000_DEV_ID_82545EM_COPPER: 181 case E1000_DEV_ID_82545EM_FIBER: 182 mac->type = e1000_82545; 183 break; 184 case E1000_DEV_ID_82545GM_COPPER: 185 case E1000_DEV_ID_82545GM_FIBER: 186 case E1000_DEV_ID_82545GM_SERDES: 187 mac->type = e1000_82545_rev_3; 188 break; 189 case E1000_DEV_ID_82546EB_COPPER: 190 case E1000_DEV_ID_82546EB_FIBER: 191 case E1000_DEV_ID_82546EB_QUAD_COPPER: 192 mac->type = e1000_82546; 193 break; 194 case E1000_DEV_ID_82546GB_COPPER: 195 case E1000_DEV_ID_82546GB_FIBER: 196 case E1000_DEV_ID_82546GB_SERDES: 197 case E1000_DEV_ID_82546GB_PCIE: 198 case E1000_DEV_ID_82546GB_QUAD_COPPER: 199 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: 200 mac->type = e1000_82546_rev_3; 201 break; 202 case E1000_DEV_ID_82541EI: 203 case E1000_DEV_ID_82541EI_MOBILE: 204 case E1000_DEV_ID_82541ER_LOM: 205 mac->type = e1000_82541; 206 break; 207 case E1000_DEV_ID_82541ER: 208 case E1000_DEV_ID_82541GI: 209 case E1000_DEV_ID_82541GI_LF: 210 case E1000_DEV_ID_82541GI_MOBILE: 211 mac->type = e1000_82541_rev_2; 212 break; 213 case E1000_DEV_ID_82547EI: 214 case E1000_DEV_ID_82547EI_MOBILE: 215 mac->type = e1000_82547; 216 break; 217 case E1000_DEV_ID_82547GI: 218 mac->type = e1000_82547_rev_2; 219 break; 220 case E1000_DEV_ID_82571EB_COPPER: 221 case E1000_DEV_ID_82571EB_FIBER: 222 case E1000_DEV_ID_82571EB_SERDES: 223 case E1000_DEV_ID_82571EB_SERDES_DUAL: 224 case E1000_DEV_ID_82571EB_SERDES_QUAD: 225 case E1000_DEV_ID_82571EB_QUAD_COPPER: 226 case E1000_DEV_ID_82571PT_QUAD_COPPER: 227 case E1000_DEV_ID_82571EB_QUAD_FIBER: 228 case E1000_DEV_ID_82571EB_QUAD_COPPER_LP: 229 case E1000_DEV_ID_82571EB_QUAD_COPPER_BP: 230 mac->type = e1000_82571; 231 break; 232 case E1000_DEV_ID_82572EI: 233 case E1000_DEV_ID_82572EI_COPPER: 234 case E1000_DEV_ID_82572EI_FIBER: 235 case E1000_DEV_ID_82572EI_SERDES: 236 mac->type = e1000_82572; 237 break; 238 case E1000_DEV_ID_82573E: 239 case E1000_DEV_ID_82573E_IAMT: 240 case E1000_DEV_ID_82573L: 241 mac->type = e1000_82573; 242 break; 243 case E1000_DEV_ID_82574L: 244 case E1000_DEV_ID_82574LA: 245 mac->type = e1000_82574; 246 break; 247 case E1000_DEV_ID_82583V: 248 mac->type = e1000_82583; 249 break; 250 case E1000_DEV_ID_80003ES2LAN_COPPER_DPT: 251 case E1000_DEV_ID_80003ES2LAN_SERDES_DPT: 252 case E1000_DEV_ID_80003ES2LAN_COPPER_SPT: 253 case E1000_DEV_ID_80003ES2LAN_SERDES_SPT: 254 mac->type = e1000_80003es2lan; 255 break; 256 case E1000_DEV_ID_ICH8_IFE: 257 case E1000_DEV_ID_ICH8_IFE_GT: 258 case E1000_DEV_ID_ICH8_IFE_G: 259 case E1000_DEV_ID_ICH8_IGP_M: 260 case E1000_DEV_ID_ICH8_IGP_M_AMT: 261 case E1000_DEV_ID_ICH8_IGP_AMT: 262 case E1000_DEV_ID_ICH8_IGP_C: 263 case E1000_DEV_ID_ICH8_82567V_3: 264 mac->type = e1000_ich8lan; 265 break; 266 case E1000_DEV_ID_ICH9_IFE: 267 case E1000_DEV_ID_ICH9_IFE_GT: 268 case E1000_DEV_ID_ICH9_IFE_G: 269 case E1000_DEV_ID_ICH9_IGP_M: 270 case E1000_DEV_ID_ICH9_IGP_M_AMT: 271 case E1000_DEV_ID_ICH9_IGP_M_V: 272 case E1000_DEV_ID_ICH9_IGP_AMT: 273 case E1000_DEV_ID_ICH9_BM: 274 case E1000_DEV_ID_ICH9_IGP_C: 275 case E1000_DEV_ID_ICH10_R_BM_LM: 276 case E1000_DEV_ID_ICH10_R_BM_LF: 277 case E1000_DEV_ID_ICH10_R_BM_V: 278 mac->type = e1000_ich9lan; 279 break; 280 case E1000_DEV_ID_ICH10_D_BM_LM: 281 case E1000_DEV_ID_ICH10_D_BM_LF: 282 case E1000_DEV_ID_ICH10_D_BM_V: 283 mac->type = e1000_ich10lan; 284 break; 285 case E1000_DEV_ID_PCH_D_HV_DM: 286 case E1000_DEV_ID_PCH_D_HV_DC: 287 case E1000_DEV_ID_PCH_M_HV_LM: 288 case E1000_DEV_ID_PCH_M_HV_LC: 289 mac->type = e1000_pchlan; 290 break; 291 case E1000_DEV_ID_PCH2_LV_LM: 292 case E1000_DEV_ID_PCH2_LV_V: 293 mac->type = e1000_pch2lan; 294 break; 295 case E1000_DEV_ID_PCH_LPT_I217_LM: 296 case E1000_DEV_ID_PCH_LPT_I217_V: 297 case E1000_DEV_ID_PCH_LPTLP_I218_LM: 298 case E1000_DEV_ID_PCH_LPTLP_I218_V: 299 case E1000_DEV_ID_PCH_I218_LM2: 300 case E1000_DEV_ID_PCH_I218_V2: 301 case E1000_DEV_ID_PCH_I218_LM3: 302 case E1000_DEV_ID_PCH_I218_V3: 303 mac->type = e1000_pch_lpt; 304 break; 305 case E1000_DEV_ID_82575EB_COPPER: 306 case E1000_DEV_ID_82575EB_FIBER_SERDES: 307 case E1000_DEV_ID_82575GB_QUAD_COPPER: 308 mac->type = e1000_82575; 309 break; 310 case E1000_DEV_ID_82576: 311 case E1000_DEV_ID_82576_FIBER: 312 case E1000_DEV_ID_82576_SERDES: 313 case E1000_DEV_ID_82576_QUAD_COPPER: 314 case E1000_DEV_ID_82576_QUAD_COPPER_ET2: 315 case E1000_DEV_ID_82576_NS: 316 case E1000_DEV_ID_82576_NS_SERDES: 317 case E1000_DEV_ID_82576_SERDES_QUAD: 318 mac->type = e1000_82576; 319 break; 320 case E1000_DEV_ID_82580_COPPER: 321 case E1000_DEV_ID_82580_FIBER: 322 case E1000_DEV_ID_82580_SERDES: 323 case E1000_DEV_ID_82580_SGMII: 324 case E1000_DEV_ID_82580_COPPER_DUAL: 325 case E1000_DEV_ID_82580_QUAD_FIBER: 326 case E1000_DEV_ID_DH89XXCC_SGMII: 327 case E1000_DEV_ID_DH89XXCC_SERDES: 328 case E1000_DEV_ID_DH89XXCC_BACKPLANE: 329 case E1000_DEV_ID_DH89XXCC_SFP: 330 mac->type = e1000_82580; 331 break; 332 case E1000_DEV_ID_I350_COPPER: 333 case E1000_DEV_ID_I350_FIBER: 334 case E1000_DEV_ID_I350_SERDES: 335 case E1000_DEV_ID_I350_SGMII: 336 case E1000_DEV_ID_I350_DA4: 337 mac->type = e1000_i350; 338 break; 339 case E1000_DEV_ID_I210_COPPER_FLASHLESS: 340 case E1000_DEV_ID_I210_SERDES_FLASHLESS: 341 case E1000_DEV_ID_I210_COPPER: 342 case E1000_DEV_ID_I210_COPPER_OEM1: 343 case E1000_DEV_ID_I210_COPPER_IT: 344 case E1000_DEV_ID_I210_FIBER: 345 case E1000_DEV_ID_I210_SERDES: 346 case E1000_DEV_ID_I210_SGMII: 347 mac->type = e1000_i210; 348 break; 349 case E1000_DEV_ID_I211_COPPER: 350 mac->type = e1000_i211; 351 break; 352 case E1000_DEV_ID_82576_VF: 353 case E1000_DEV_ID_82576_VF_HV: 354 mac->type = e1000_vfadapt; 355 break; 356 case E1000_DEV_ID_I350_VF: 357 case E1000_DEV_ID_I350_VF_HV: 358 mac->type = e1000_vfadapt_i350; 359 break; 360 361 case E1000_DEV_ID_I354_BACKPLANE_1GBPS: 362 case E1000_DEV_ID_I354_SGMII: 363 case E1000_DEV_ID_I354_BACKPLANE_2_5GBPS: 364 mac->type = e1000_i354; 365 break; 366 default: 367 /* Should never have loaded on this device */ 368 ret_val = -E1000_ERR_MAC_INIT; 369 break; 370 } 371 372 return ret_val; 373 } 374 375 /** 376 * e1000_setup_init_funcs - Initializes function pointers 377 * @hw: pointer to the HW structure 378 * @init_device: TRUE will initialize the rest of the function pointers 379 * getting the device ready for use. FALSE will only set 380 * MAC type and the function pointers for the other init 381 * functions. Passing FALSE will not generate any hardware 382 * reads or writes. 383 * 384 * This function must be called by a driver in order to use the rest 385 * of the 'shared' code files. Called by drivers only. 386 **/ 387 s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device) 388 { 389 s32 ret_val; 390 391 /* Can't do much good without knowing the MAC type. */ 392 ret_val = e1000_set_mac_type(hw); 393 if (ret_val) { 394 DEBUGOUT("ERROR: MAC type could not be set properly.\n"); 395 goto out; 396 } 397 398 if (!hw->hw_addr) { 399 DEBUGOUT("ERROR: Registers not mapped\n"); 400 ret_val = -E1000_ERR_CONFIG; 401 goto out; 402 } 403 404 /* 405 * Init function pointers to generic implementations. We do this first 406 * allowing a driver module to override it afterward. 407 */ 408 e1000_init_mac_ops_generic(hw); 409 e1000_init_phy_ops_generic(hw); 410 e1000_init_nvm_ops_generic(hw); 411 e1000_init_mbx_ops_generic(hw); 412 413 /* 414 * Set up the init function pointers. These are functions within the 415 * adapter family file that sets up function pointers for the rest of 416 * the functions in that family. 417 */ 418 switch (hw->mac.type) { 419 #ifndef NO_82542_SUPPORT 420 case e1000_82542: 421 e1000_init_function_pointers_82542(hw); 422 break; 423 #endif 424 case e1000_82543: 425 case e1000_82544: 426 e1000_init_function_pointers_82543(hw); 427 break; 428 case e1000_82540: 429 case e1000_82545: 430 case e1000_82545_rev_3: 431 case e1000_82546: 432 case e1000_82546_rev_3: 433 e1000_init_function_pointers_82540(hw); 434 break; 435 case e1000_82541: 436 case e1000_82541_rev_2: 437 case e1000_82547: 438 case e1000_82547_rev_2: 439 e1000_init_function_pointers_82541(hw); 440 break; 441 case e1000_82571: 442 case e1000_82572: 443 case e1000_82573: 444 case e1000_82574: 445 case e1000_82583: 446 e1000_init_function_pointers_82571(hw); 447 break; 448 case e1000_80003es2lan: 449 e1000_init_function_pointers_80003es2lan(hw); 450 break; 451 case e1000_ich8lan: 452 case e1000_ich9lan: 453 case e1000_ich10lan: 454 case e1000_pchlan: 455 case e1000_pch2lan: 456 case e1000_pch_lpt: 457 e1000_init_function_pointers_ich8lan(hw); 458 break; 459 case e1000_82575: 460 case e1000_82576: 461 case e1000_82580: 462 case e1000_i350: 463 case e1000_i354: 464 e1000_init_function_pointers_82575(hw); 465 break; 466 case e1000_i210: 467 case e1000_i211: 468 e1000_init_function_pointers_i210(hw); 469 break; 470 case e1000_vfadapt: 471 e1000_init_function_pointers_vf(hw); 472 break; 473 case e1000_vfadapt_i350: 474 e1000_init_function_pointers_vf(hw); 475 break; 476 default: 477 DEBUGOUT("Hardware not supported\n"); 478 ret_val = -E1000_ERR_CONFIG; 479 break; 480 } 481 482 /* 483 * Initialize the rest of the function pointers. These require some 484 * register reads/writes in some cases. 485 */ 486 if (!(ret_val) && init_device) { 487 ret_val = e1000_init_mac_params(hw); 488 if (ret_val) 489 goto out; 490 491 ret_val = e1000_init_nvm_params(hw); 492 if (ret_val) 493 goto out; 494 495 ret_val = e1000_init_phy_params(hw); 496 if (ret_val) 497 goto out; 498 499 ret_val = e1000_init_mbx_params(hw); 500 if (ret_val) 501 goto out; 502 } 503 504 out: 505 return ret_val; 506 } 507 508 /** 509 * e1000_get_bus_info - Obtain bus information for adapter 510 * @hw: pointer to the HW structure 511 * 512 * This will obtain information about the HW bus for which the 513 * adapter is attached and stores it in the hw structure. This is a 514 * function pointer entry point called by drivers. 515 **/ 516 s32 e1000_get_bus_info(struct e1000_hw *hw) 517 { 518 if (hw->mac.ops.get_bus_info) 519 return hw->mac.ops.get_bus_info(hw); 520 521 return E1000_SUCCESS; 522 } 523 524 /** 525 * e1000_clear_vfta - Clear VLAN filter table 526 * @hw: pointer to the HW structure 527 * 528 * This clears the VLAN filter table on the adapter. This is a function 529 * pointer entry point called by drivers. 530 **/ 531 void e1000_clear_vfta(struct e1000_hw *hw) 532 { 533 if (hw->mac.ops.clear_vfta) 534 hw->mac.ops.clear_vfta(hw); 535 } 536 537 /** 538 * e1000_write_vfta - Write value to VLAN filter table 539 * @hw: pointer to the HW structure 540 * @offset: the 32-bit offset in which to write the value to. 541 * @value: the 32-bit value to write at location offset. 542 * 543 * This writes a 32-bit value to a 32-bit offset in the VLAN filter 544 * table. This is a function pointer entry point called by drivers. 545 **/ 546 void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value) 547 { 548 if (hw->mac.ops.write_vfta) 549 hw->mac.ops.write_vfta(hw, offset, value); 550 } 551 552 /** 553 * e1000_update_mc_addr_list - Update Multicast addresses 554 * @hw: pointer to the HW structure 555 * @mc_addr_list: array of multicast addresses to program 556 * @mc_addr_count: number of multicast addresses to program 557 * 558 * Updates the Multicast Table Array. 559 * The caller must have a packed mc_addr_list of multicast addresses. 560 **/ 561 void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list, 562 u32 mc_addr_count) 563 { 564 if (hw->mac.ops.update_mc_addr_list) 565 hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, 566 mc_addr_count); 567 } 568 569 /** 570 * e1000_force_mac_fc - Force MAC flow control 571 * @hw: pointer to the HW structure 572 * 573 * Force the MAC's flow control settings. Currently no func pointer exists 574 * and all implementations are handled in the generic version of this 575 * function. 576 **/ 577 s32 e1000_force_mac_fc(struct e1000_hw *hw) 578 { 579 return e1000_force_mac_fc_generic(hw); 580 } 581 582 /** 583 * e1000_check_for_link - Check/Store link connection 584 * @hw: pointer to the HW structure 585 * 586 * This checks the link condition of the adapter and stores the 587 * results in the hw->mac structure. This is a function pointer entry 588 * point called by drivers. 589 **/ 590 s32 e1000_check_for_link(struct e1000_hw *hw) 591 { 592 if (hw->mac.ops.check_for_link) 593 return hw->mac.ops.check_for_link(hw); 594 595 return -E1000_ERR_CONFIG; 596 } 597 598 /** 599 * e1000_check_mng_mode - Check management mode 600 * @hw: pointer to the HW structure 601 * 602 * This checks if the adapter has manageability enabled. 603 * This is a function pointer entry point called by drivers. 604 **/ 605 bool e1000_check_mng_mode(struct e1000_hw *hw) 606 { 607 if (hw->mac.ops.check_mng_mode) 608 return hw->mac.ops.check_mng_mode(hw); 609 610 return FALSE; 611 } 612 613 /** 614 * e1000_mng_write_dhcp_info - Writes DHCP info to host interface 615 * @hw: pointer to the HW structure 616 * @buffer: pointer to the host interface 617 * @length: size of the buffer 618 * 619 * Writes the DHCP information to the host interface. 620 **/ 621 s32 e1000_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length) 622 { 623 return e1000_mng_write_dhcp_info_generic(hw, buffer, length); 624 } 625 626 /** 627 * e1000_reset_hw - Reset hardware 628 * @hw: pointer to the HW structure 629 * 630 * This resets the hardware into a known state. This is a function pointer 631 * entry point called by drivers. 632 **/ 633 s32 e1000_reset_hw(struct e1000_hw *hw) 634 { 635 if (hw->mac.ops.reset_hw) 636 return hw->mac.ops.reset_hw(hw); 637 638 return -E1000_ERR_CONFIG; 639 } 640 641 /** 642 * e1000_init_hw - Initialize hardware 643 * @hw: pointer to the HW structure 644 * 645 * This inits the hardware readying it for operation. This is a function 646 * pointer entry point called by drivers. 647 **/ 648 s32 e1000_init_hw(struct e1000_hw *hw) 649 { 650 if (hw->mac.ops.init_hw) 651 return hw->mac.ops.init_hw(hw); 652 653 return -E1000_ERR_CONFIG; 654 } 655 656 /** 657 * e1000_setup_link - Configures link and flow control 658 * @hw: pointer to the HW structure 659 * 660 * This configures link and flow control settings for the adapter. This 661 * is a function pointer entry point called by drivers. While modules can 662 * also call this, they probably call their own version of this function. 663 **/ 664 s32 e1000_setup_link(struct e1000_hw *hw) 665 { 666 if (hw->mac.ops.setup_link) 667 return hw->mac.ops.setup_link(hw); 668 669 return -E1000_ERR_CONFIG; 670 } 671 672 /** 673 * e1000_get_speed_and_duplex - Returns current speed and duplex 674 * @hw: pointer to the HW structure 675 * @speed: pointer to a 16-bit value to store the speed 676 * @duplex: pointer to a 16-bit value to store the duplex. 677 * 678 * This returns the speed and duplex of the adapter in the two 'out' 679 * variables passed in. This is a function pointer entry point called 680 * by drivers. 681 **/ 682 s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex) 683 { 684 if (hw->mac.ops.get_link_up_info) 685 return hw->mac.ops.get_link_up_info(hw, speed, duplex); 686 687 return -E1000_ERR_CONFIG; 688 } 689 690 /** 691 * e1000_setup_led - Configures SW controllable LED 692 * @hw: pointer to the HW structure 693 * 694 * This prepares the SW controllable LED for use and saves the current state 695 * of the LED so it can be later restored. This is a function pointer entry 696 * point called by drivers. 697 **/ 698 s32 e1000_setup_led(struct e1000_hw *hw) 699 { 700 if (hw->mac.ops.setup_led) 701 return hw->mac.ops.setup_led(hw); 702 703 return E1000_SUCCESS; 704 } 705 706 /** 707 * e1000_cleanup_led - Restores SW controllable LED 708 * @hw: pointer to the HW structure 709 * 710 * This restores the SW controllable LED to the value saved off by 711 * e1000_setup_led. This is a function pointer entry point called by drivers. 712 **/ 713 s32 e1000_cleanup_led(struct e1000_hw *hw) 714 { 715 if (hw->mac.ops.cleanup_led) 716 return hw->mac.ops.cleanup_led(hw); 717 718 return E1000_SUCCESS; 719 } 720 721 /** 722 * e1000_blink_led - Blink SW controllable LED 723 * @hw: pointer to the HW structure 724 * 725 * This starts the adapter LED blinking. Request the LED to be setup first 726 * and cleaned up after. This is a function pointer entry point called by 727 * drivers. 728 **/ 729 s32 e1000_blink_led(struct e1000_hw *hw) 730 { 731 if (hw->mac.ops.blink_led) 732 return hw->mac.ops.blink_led(hw); 733 734 return E1000_SUCCESS; 735 } 736 737 /** 738 * e1000_id_led_init - store LED configurations in SW 739 * @hw: pointer to the HW structure 740 * 741 * Initializes the LED config in SW. This is a function pointer entry point 742 * called by drivers. 743 **/ 744 s32 e1000_id_led_init(struct e1000_hw *hw) 745 { 746 if (hw->mac.ops.id_led_init) 747 return hw->mac.ops.id_led_init(hw); 748 749 return E1000_SUCCESS; 750 } 751 752 /** 753 * e1000_led_on - Turn on SW controllable LED 754 * @hw: pointer to the HW structure 755 * 756 * Turns the SW defined LED on. This is a function pointer entry point 757 * called by drivers. 758 **/ 759 s32 e1000_led_on(struct e1000_hw *hw) 760 { 761 if (hw->mac.ops.led_on) 762 return hw->mac.ops.led_on(hw); 763 764 return E1000_SUCCESS; 765 } 766 767 /** 768 * e1000_led_off - Turn off SW controllable LED 769 * @hw: pointer to the HW structure 770 * 771 * Turns the SW defined LED off. This is a function pointer entry point 772 * called by drivers. 773 **/ 774 s32 e1000_led_off(struct e1000_hw *hw) 775 { 776 if (hw->mac.ops.led_off) 777 return hw->mac.ops.led_off(hw); 778 779 return E1000_SUCCESS; 780 } 781 782 /** 783 * e1000_reset_adaptive - Reset adaptive IFS 784 * @hw: pointer to the HW structure 785 * 786 * Resets the adaptive IFS. Currently no func pointer exists and all 787 * implementations are handled in the generic version of this function. 788 **/ 789 void e1000_reset_adaptive(struct e1000_hw *hw) 790 { 791 e1000_reset_adaptive_generic(hw); 792 } 793 794 /** 795 * e1000_update_adaptive - Update adaptive IFS 796 * @hw: pointer to the HW structure 797 * 798 * Updates adapter IFS. Currently no func pointer exists and all 799 * implementations are handled in the generic version of this function. 800 **/ 801 void e1000_update_adaptive(struct e1000_hw *hw) 802 { 803 e1000_update_adaptive_generic(hw); 804 } 805 806 /** 807 * e1000_disable_pcie_master - Disable PCI-Express master access 808 * @hw: pointer to the HW structure 809 * 810 * Disables PCI-Express master access and verifies there are no pending 811 * requests. Currently no func pointer exists and all implementations are 812 * handled in the generic version of this function. 813 **/ 814 s32 e1000_disable_pcie_master(struct e1000_hw *hw) 815 { 816 return e1000_disable_pcie_master_generic(hw); 817 } 818 819 /** 820 * e1000_config_collision_dist - Configure collision distance 821 * @hw: pointer to the HW structure 822 * 823 * Configures the collision distance to the default value and is used 824 * during link setup. 825 **/ 826 void e1000_config_collision_dist(struct e1000_hw *hw) 827 { 828 if (hw->mac.ops.config_collision_dist) 829 hw->mac.ops.config_collision_dist(hw); 830 } 831 832 /** 833 * e1000_rar_set - Sets a receive address register 834 * @hw: pointer to the HW structure 835 * @addr: address to set the RAR to 836 * @index: the RAR to set 837 * 838 * Sets a Receive Address Register (RAR) to the specified address. 839 **/ 840 int e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index) 841 { 842 if (hw->mac.ops.rar_set) 843 return hw->mac.ops.rar_set(hw, addr, index); 844 845 return E1000_SUCCESS; 846 } 847 848 /** 849 * e1000_validate_mdi_setting - Ensures valid MDI/MDIX SW state 850 * @hw: pointer to the HW structure 851 * 852 * Ensures that the MDI/MDIX SW state is valid. 853 **/ 854 s32 e1000_validate_mdi_setting(struct e1000_hw *hw) 855 { 856 if (hw->mac.ops.validate_mdi_setting) 857 return hw->mac.ops.validate_mdi_setting(hw); 858 859 return E1000_SUCCESS; 860 } 861 862 /** 863 * e1000_hash_mc_addr - Determines address location in multicast table 864 * @hw: pointer to the HW structure 865 * @mc_addr: Multicast address to hash. 866 * 867 * This hashes an address to determine its location in the multicast 868 * table. Currently no func pointer exists and all implementations 869 * are handled in the generic version of this function. 870 **/ 871 u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr) 872 { 873 return e1000_hash_mc_addr_generic(hw, mc_addr); 874 } 875 876 /** 877 * e1000_enable_tx_pkt_filtering - Enable packet filtering on TX 878 * @hw: pointer to the HW structure 879 * 880 * Enables packet filtering on transmit packets if manageability is enabled 881 * and host interface is enabled. 882 * Currently no func pointer exists and all implementations are handled in the 883 * generic version of this function. 884 **/ 885 bool e1000_enable_tx_pkt_filtering(struct e1000_hw *hw) 886 { 887 return e1000_enable_tx_pkt_filtering_generic(hw); 888 } 889 890 /** 891 * e1000_mng_host_if_write - Writes to the manageability host interface 892 * @hw: pointer to the HW structure 893 * @buffer: pointer to the host interface buffer 894 * @length: size of the buffer 895 * @offset: location in the buffer to write to 896 * @sum: sum of the data (not checksum) 897 * 898 * This function writes the buffer content at the offset given on the host if. 899 * It also does alignment considerations to do the writes in most efficient 900 * way. Also fills up the sum of the buffer in *buffer parameter. 901 **/ 902 s32 e1000_mng_host_if_write(struct e1000_hw *hw, u8 *buffer, u16 length, 903 u16 offset, u8 *sum) 904 { 905 return e1000_mng_host_if_write_generic(hw, buffer, length, offset, sum); 906 } 907 908 /** 909 * e1000_mng_write_cmd_header - Writes manageability command header 910 * @hw: pointer to the HW structure 911 * @hdr: pointer to the host interface command header 912 * 913 * Writes the command header after does the checksum calculation. 914 **/ 915 s32 e1000_mng_write_cmd_header(struct e1000_hw *hw, 916 struct e1000_host_mng_command_header *hdr) 917 { 918 return e1000_mng_write_cmd_header_generic(hw, hdr); 919 } 920 921 /** 922 * e1000_mng_enable_host_if - Checks host interface is enabled 923 * @hw: pointer to the HW structure 924 * 925 * Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND 926 * 927 * This function checks whether the HOST IF is enabled for command operation 928 * and also checks whether the previous command is completed. It busy waits 929 * in case of previous command is not completed. 930 **/ 931 s32 e1000_mng_enable_host_if(struct e1000_hw *hw) 932 { 933 return e1000_mng_enable_host_if_generic(hw); 934 } 935 936 /** 937 * e1000_set_obff_timer - Set Optimized Buffer Flush/Fill timer 938 * @hw: pointer to the HW structure 939 * @itr: u32 indicating itr value 940 * 941 * Set the OBFF timer based on the given interrupt rate. 942 **/ 943 s32 e1000_set_obff_timer(struct e1000_hw *hw, u32 itr) 944 { 945 if (hw->mac.ops.set_obff_timer) 946 return hw->mac.ops.set_obff_timer(hw, itr); 947 948 return E1000_SUCCESS; 949 } 950 951 /** 952 * e1000_check_reset_block - Verifies PHY can be reset 953 * @hw: pointer to the HW structure 954 * 955 * Checks if the PHY is in a state that can be reset or if manageability 956 * has it tied up. This is a function pointer entry point called by drivers. 957 **/ 958 s32 e1000_check_reset_block(struct e1000_hw *hw) 959 { 960 if (hw->phy.ops.check_reset_block) 961 return hw->phy.ops.check_reset_block(hw); 962 963 return E1000_SUCCESS; 964 } 965 966 /** 967 * e1000_read_phy_reg - Reads PHY register 968 * @hw: pointer to the HW structure 969 * @offset: the register to read 970 * @data: the buffer to store the 16-bit read. 971 * 972 * Reads the PHY register and returns the value in data. 973 * This is a function pointer entry point called by drivers. 974 **/ 975 s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data) 976 { 977 if (hw->phy.ops.read_reg) 978 return hw->phy.ops.read_reg(hw, offset, data); 979 980 return E1000_SUCCESS; 981 } 982 983 /** 984 * e1000_write_phy_reg - Writes PHY register 985 * @hw: pointer to the HW structure 986 * @offset: the register to write 987 * @data: the value to write. 988 * 989 * Writes the PHY register at offset with the value in data. 990 * This is a function pointer entry point called by drivers. 991 **/ 992 s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data) 993 { 994 if (hw->phy.ops.write_reg) 995 return hw->phy.ops.write_reg(hw, offset, data); 996 997 return E1000_SUCCESS; 998 } 999 1000 /** 1001 * e1000_release_phy - Generic release PHY 1002 * @hw: pointer to the HW structure 1003 * 1004 * Return if silicon family does not require a semaphore when accessing the 1005 * PHY. 1006 **/ 1007 void e1000_release_phy(struct e1000_hw *hw) 1008 { 1009 if (hw->phy.ops.release) 1010 hw->phy.ops.release(hw); 1011 } 1012 1013 /** 1014 * e1000_acquire_phy - Generic acquire PHY 1015 * @hw: pointer to the HW structure 1016 * 1017 * Return success if silicon family does not require a semaphore when 1018 * accessing the PHY. 1019 **/ 1020 s32 e1000_acquire_phy(struct e1000_hw *hw) 1021 { 1022 if (hw->phy.ops.acquire) 1023 return hw->phy.ops.acquire(hw); 1024 1025 return E1000_SUCCESS; 1026 } 1027 1028 /** 1029 * e1000_cfg_on_link_up - Configure PHY upon link up 1030 * @hw: pointer to the HW structure 1031 **/ 1032 s32 e1000_cfg_on_link_up(struct e1000_hw *hw) 1033 { 1034 if (hw->phy.ops.cfg_on_link_up) 1035 return hw->phy.ops.cfg_on_link_up(hw); 1036 1037 return E1000_SUCCESS; 1038 } 1039 1040 /** 1041 * e1000_read_kmrn_reg - Reads register using Kumeran interface 1042 * @hw: pointer to the HW structure 1043 * @offset: the register to read 1044 * @data: the location to store the 16-bit value read. 1045 * 1046 * Reads a register out of the Kumeran interface. Currently no func pointer 1047 * exists and all implementations are handled in the generic version of 1048 * this function. 1049 **/ 1050 s32 e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) 1051 { 1052 return e1000_read_kmrn_reg_generic(hw, offset, data); 1053 } 1054 1055 /** 1056 * e1000_write_kmrn_reg - Writes register using Kumeran interface 1057 * @hw: pointer to the HW structure 1058 * @offset: the register to write 1059 * @data: the value to write. 1060 * 1061 * Writes a register to the Kumeran interface. Currently no func pointer 1062 * exists and all implementations are handled in the generic version of 1063 * this function. 1064 **/ 1065 s32 e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data) 1066 { 1067 return e1000_write_kmrn_reg_generic(hw, offset, data); 1068 } 1069 1070 /** 1071 * e1000_get_cable_length - Retrieves cable length estimation 1072 * @hw: pointer to the HW structure 1073 * 1074 * This function estimates the cable length and stores them in 1075 * hw->phy.min_length and hw->phy.max_length. This is a function pointer 1076 * entry point called by drivers. 1077 **/ 1078 s32 e1000_get_cable_length(struct e1000_hw *hw) 1079 { 1080 if (hw->phy.ops.get_cable_length) 1081 return hw->phy.ops.get_cable_length(hw); 1082 1083 return E1000_SUCCESS; 1084 } 1085 1086 /** 1087 * e1000_get_phy_info - Retrieves PHY information from registers 1088 * @hw: pointer to the HW structure 1089 * 1090 * This function gets some information from various PHY registers and 1091 * populates hw->phy values with it. This is a function pointer entry 1092 * point called by drivers. 1093 **/ 1094 s32 e1000_get_phy_info(struct e1000_hw *hw) 1095 { 1096 if (hw->phy.ops.get_info) 1097 return hw->phy.ops.get_info(hw); 1098 1099 return E1000_SUCCESS; 1100 } 1101 1102 /** 1103 * e1000_phy_hw_reset - Hard PHY reset 1104 * @hw: pointer to the HW structure 1105 * 1106 * Performs a hard PHY reset. This is a function pointer entry point called 1107 * by drivers. 1108 **/ 1109 s32 e1000_phy_hw_reset(struct e1000_hw *hw) 1110 { 1111 if (hw->phy.ops.reset) 1112 return hw->phy.ops.reset(hw); 1113 1114 return E1000_SUCCESS; 1115 } 1116 1117 /** 1118 * e1000_phy_commit - Soft PHY reset 1119 * @hw: pointer to the HW structure 1120 * 1121 * Performs a soft PHY reset on those that apply. This is a function pointer 1122 * entry point called by drivers. 1123 **/ 1124 s32 e1000_phy_commit(struct e1000_hw *hw) 1125 { 1126 if (hw->phy.ops.commit) 1127 return hw->phy.ops.commit(hw); 1128 1129 return E1000_SUCCESS; 1130 } 1131 1132 /** 1133 * e1000_set_d0_lplu_state - Sets low power link up state for D0 1134 * @hw: pointer to the HW structure 1135 * @active: boolean used to enable/disable lplu 1136 * 1137 * Success returns 0, Failure returns 1 1138 * 1139 * The low power link up (lplu) state is set to the power management level D0 1140 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D0 1141 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU 1142 * is used during Dx states where the power conservation is most important. 1143 * During driver activity, SmartSpeed should be enabled so performance is 1144 * maintained. This is a function pointer entry point called by drivers. 1145 **/ 1146 s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active) 1147 { 1148 if (hw->phy.ops.set_d0_lplu_state) 1149 return hw->phy.ops.set_d0_lplu_state(hw, active); 1150 1151 return E1000_SUCCESS; 1152 } 1153 1154 /** 1155 * e1000_set_d3_lplu_state - Sets low power link up state for D3 1156 * @hw: pointer to the HW structure 1157 * @active: boolean used to enable/disable lplu 1158 * 1159 * Success returns 0, Failure returns 1 1160 * 1161 * The low power link up (lplu) state is set to the power management level D3 1162 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D3 1163 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU 1164 * is used during Dx states where the power conservation is most important. 1165 * During driver activity, SmartSpeed should be enabled so performance is 1166 * maintained. This is a function pointer entry point called by drivers. 1167 **/ 1168 s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active) 1169 { 1170 if (hw->phy.ops.set_d3_lplu_state) 1171 return hw->phy.ops.set_d3_lplu_state(hw, active); 1172 1173 return E1000_SUCCESS; 1174 } 1175 1176 /** 1177 * e1000_read_mac_addr - Reads MAC address 1178 * @hw: pointer to the HW structure 1179 * 1180 * Reads the MAC address out of the adapter and stores it in the HW structure. 1181 * Currently no func pointer exists and all implementations are handled in the 1182 * generic version of this function. 1183 **/ 1184 s32 e1000_read_mac_addr(struct e1000_hw *hw) 1185 { 1186 if (hw->mac.ops.read_mac_addr) 1187 return hw->mac.ops.read_mac_addr(hw); 1188 1189 return e1000_read_mac_addr_generic(hw); 1190 } 1191 1192 /** 1193 * e1000_read_pba_string - Read device part number string 1194 * @hw: pointer to the HW structure 1195 * @pba_num: pointer to device part number 1196 * @pba_num_size: size of part number buffer 1197 * 1198 * Reads the product board assembly (PBA) number from the EEPROM and stores 1199 * the value in pba_num. 1200 * Currently no func pointer exists and all implementations are handled in the 1201 * generic version of this function. 1202 **/ 1203 s32 e1000_read_pba_string(struct e1000_hw *hw, u8 *pba_num, u32 pba_num_size) 1204 { 1205 return e1000_read_pba_string_generic(hw, pba_num, pba_num_size); 1206 } 1207 1208 /** 1209 * e1000_read_pba_length - Read device part number string length 1210 * @hw: pointer to the HW structure 1211 * @pba_num_size: size of part number buffer 1212 * 1213 * Reads the product board assembly (PBA) number length from the EEPROM and 1214 * stores the value in pba_num. 1215 * Currently no func pointer exists and all implementations are handled in the 1216 * generic version of this function. 1217 **/ 1218 s32 e1000_read_pba_length(struct e1000_hw *hw, u32 *pba_num_size) 1219 { 1220 return e1000_read_pba_length_generic(hw, pba_num_size); 1221 } 1222 1223 /** 1224 * e1000_read_pba_num - Read device part number 1225 * @hw: pointer to the HW structure 1226 * @pba_num: pointer to device part number 1227 * 1228 * Reads the product board assembly (PBA) number from the EEPROM and stores 1229 * the value in pba_num. 1230 * Currently no func pointer exists and all implementations are handled in the 1231 * generic version of this function. 1232 **/ 1233 s32 e1000_read_pba_num(struct e1000_hw *hw, u32 *pba_num) 1234 { 1235 return e1000_read_pba_num_generic(hw, pba_num); 1236 } 1237 1238 /** 1239 * e1000_validate_nvm_checksum - Verifies NVM (EEPROM) checksum 1240 * @hw: pointer to the HW structure 1241 * 1242 * Validates the NVM checksum is correct. This is a function pointer entry 1243 * point called by drivers. 1244 **/ 1245 s32 e1000_validate_nvm_checksum(struct e1000_hw *hw) 1246 { 1247 if (hw->nvm.ops.validate) 1248 return hw->nvm.ops.validate(hw); 1249 1250 return -E1000_ERR_CONFIG; 1251 } 1252 1253 /** 1254 * e1000_update_nvm_checksum - Updates NVM (EEPROM) checksum 1255 * @hw: pointer to the HW structure 1256 * 1257 * Updates the NVM checksum. Currently no func pointer exists and all 1258 * implementations are handled in the generic version of this function. 1259 **/ 1260 s32 e1000_update_nvm_checksum(struct e1000_hw *hw) 1261 { 1262 if (hw->nvm.ops.update) 1263 return hw->nvm.ops.update(hw); 1264 1265 return -E1000_ERR_CONFIG; 1266 } 1267 1268 /** 1269 * e1000_reload_nvm - Reloads EEPROM 1270 * @hw: pointer to the HW structure 1271 * 1272 * Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the 1273 * extended control register. 1274 **/ 1275 void e1000_reload_nvm(struct e1000_hw *hw) 1276 { 1277 if (hw->nvm.ops.reload) 1278 hw->nvm.ops.reload(hw); 1279 } 1280 1281 /** 1282 * e1000_read_nvm - Reads NVM (EEPROM) 1283 * @hw: pointer to the HW structure 1284 * @offset: the word offset to read 1285 * @words: number of 16-bit words to read 1286 * @data: pointer to the properly sized buffer for the data. 1287 * 1288 * Reads 16-bit chunks of data from the NVM (EEPROM). This is a function 1289 * pointer entry point called by drivers. 1290 **/ 1291 s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) 1292 { 1293 if (hw->nvm.ops.read) 1294 return hw->nvm.ops.read(hw, offset, words, data); 1295 1296 return -E1000_ERR_CONFIG; 1297 } 1298 1299 /** 1300 * e1000_write_nvm - Writes to NVM (EEPROM) 1301 * @hw: pointer to the HW structure 1302 * @offset: the word offset to read 1303 * @words: number of 16-bit words to write 1304 * @data: pointer to the properly sized buffer for the data. 1305 * 1306 * Writes 16-bit chunks of data to the NVM (EEPROM). This is a function 1307 * pointer entry point called by drivers. 1308 **/ 1309 s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) 1310 { 1311 if (hw->nvm.ops.write) 1312 return hw->nvm.ops.write(hw, offset, words, data); 1313 1314 return E1000_SUCCESS; 1315 } 1316 1317 /** 1318 * e1000_write_8bit_ctrl_reg - Writes 8bit Control register 1319 * @hw: pointer to the HW structure 1320 * @reg: 32bit register offset 1321 * @offset: the register to write 1322 * @data: the value to write. 1323 * 1324 * Writes the PHY register at offset with the value in data. 1325 * This is a function pointer entry point called by drivers. 1326 **/ 1327 s32 e1000_write_8bit_ctrl_reg(struct e1000_hw *hw, u32 reg, u32 offset, 1328 u8 data) 1329 { 1330 return e1000_write_8bit_ctrl_reg_generic(hw, reg, offset, data); 1331 } 1332 1333 /** 1334 * e1000_power_up_phy - Restores link in case of PHY power down 1335 * @hw: pointer to the HW structure 1336 * 1337 * The phy may be powered down to save power, to turn off link when the 1338 * driver is unloaded, or wake on lan is not enabled (among others). 1339 **/ 1340 void e1000_power_up_phy(struct e1000_hw *hw) 1341 { 1342 if (hw->phy.ops.power_up) 1343 hw->phy.ops.power_up(hw); 1344 1345 e1000_setup_link(hw); 1346 } 1347 1348 /** 1349 * e1000_power_down_phy - Power down PHY 1350 * @hw: pointer to the HW structure 1351 * 1352 * The phy may be powered down to save power, to turn off link when the 1353 * driver is unloaded, or wake on lan is not enabled (among others). 1354 **/ 1355 void e1000_power_down_phy(struct e1000_hw *hw) 1356 { 1357 if (hw->phy.ops.power_down) 1358 hw->phy.ops.power_down(hw); 1359 } 1360 1361 /** 1362 * e1000_power_up_fiber_serdes_link - Power up serdes link 1363 * @hw: pointer to the HW structure 1364 * 1365 * Power on the optics and PCS. 1366 **/ 1367 void e1000_power_up_fiber_serdes_link(struct e1000_hw *hw) 1368 { 1369 if (hw->mac.ops.power_up_serdes) 1370 hw->mac.ops.power_up_serdes(hw); 1371 } 1372 1373 /** 1374 * e1000_shutdown_fiber_serdes_link - Remove link during power down 1375 * @hw: pointer to the HW structure 1376 * 1377 * Shutdown the optics and PCS on driver unload. 1378 **/ 1379 void e1000_shutdown_fiber_serdes_link(struct e1000_hw *hw) 1380 { 1381 if (hw->mac.ops.shutdown_serdes) 1382 hw->mac.ops.shutdown_serdes(hw); 1383 } 1384