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 mac->type = e1000_i354; 364 break; 365 default: 366 /* Should never have loaded on this device */ 367 ret_val = -E1000_ERR_MAC_INIT; 368 break; 369 } 370 371 return ret_val; 372 } 373 374 /** 375 * e1000_setup_init_funcs - Initializes function pointers 376 * @hw: pointer to the HW structure 377 * @init_device: TRUE will initialize the rest of the function pointers 378 * getting the device ready for use. FALSE will only set 379 * MAC type and the function pointers for the other init 380 * functions. Passing FALSE will not generate any hardware 381 * reads or writes. 382 * 383 * This function must be called by a driver in order to use the rest 384 * of the 'shared' code files. Called by drivers only. 385 **/ 386 s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device) 387 { 388 s32 ret_val; 389 390 /* Can't do much good without knowing the MAC type. */ 391 ret_val = e1000_set_mac_type(hw); 392 if (ret_val) { 393 DEBUGOUT("ERROR: MAC type could not be set properly.\n"); 394 goto out; 395 } 396 397 if (!hw->hw_addr) { 398 DEBUGOUT("ERROR: Registers not mapped\n"); 399 ret_val = -E1000_ERR_CONFIG; 400 goto out; 401 } 402 403 /* 404 * Init function pointers to generic implementations. We do this first 405 * allowing a driver module to override it afterward. 406 */ 407 e1000_init_mac_ops_generic(hw); 408 e1000_init_phy_ops_generic(hw); 409 e1000_init_nvm_ops_generic(hw); 410 e1000_init_mbx_ops_generic(hw); 411 412 /* 413 * Set up the init function pointers. These are functions within the 414 * adapter family file that sets up function pointers for the rest of 415 * the functions in that family. 416 */ 417 switch (hw->mac.type) { 418 #ifndef NO_82542_SUPPORT 419 case e1000_82542: 420 e1000_init_function_pointers_82542(hw); 421 break; 422 #endif 423 case e1000_82543: 424 case e1000_82544: 425 e1000_init_function_pointers_82543(hw); 426 break; 427 case e1000_82540: 428 case e1000_82545: 429 case e1000_82545_rev_3: 430 case e1000_82546: 431 case e1000_82546_rev_3: 432 e1000_init_function_pointers_82540(hw); 433 break; 434 case e1000_82541: 435 case e1000_82541_rev_2: 436 case e1000_82547: 437 case e1000_82547_rev_2: 438 e1000_init_function_pointers_82541(hw); 439 break; 440 case e1000_82571: 441 case e1000_82572: 442 case e1000_82573: 443 case e1000_82574: 444 case e1000_82583: 445 e1000_init_function_pointers_82571(hw); 446 break; 447 case e1000_80003es2lan: 448 e1000_init_function_pointers_80003es2lan(hw); 449 break; 450 case e1000_ich8lan: 451 case e1000_ich9lan: 452 case e1000_ich10lan: 453 case e1000_pchlan: 454 case e1000_pch2lan: 455 case e1000_pch_lpt: 456 e1000_init_function_pointers_ich8lan(hw); 457 break; 458 case e1000_82575: 459 case e1000_82576: 460 case e1000_82580: 461 case e1000_i350: 462 case e1000_i354: 463 e1000_init_function_pointers_82575(hw); 464 break; 465 case e1000_i210: 466 case e1000_i211: 467 e1000_init_function_pointers_i210(hw); 468 break; 469 case e1000_vfadapt: 470 e1000_init_function_pointers_vf(hw); 471 break; 472 case e1000_vfadapt_i350: 473 e1000_init_function_pointers_vf(hw); 474 break; 475 default: 476 DEBUGOUT("Hardware not supported\n"); 477 ret_val = -E1000_ERR_CONFIG; 478 break; 479 } 480 481 /* 482 * Initialize the rest of the function pointers. These require some 483 * register reads/writes in some cases. 484 */ 485 if (!(ret_val) && init_device) { 486 ret_val = e1000_init_mac_params(hw); 487 if (ret_val) 488 goto out; 489 490 ret_val = e1000_init_nvm_params(hw); 491 if (ret_val) 492 goto out; 493 494 ret_val = e1000_init_phy_params(hw); 495 if (ret_val) 496 goto out; 497 498 ret_val = e1000_init_mbx_params(hw); 499 if (ret_val) 500 goto out; 501 } 502 503 out: 504 return ret_val; 505 } 506 507 /** 508 * e1000_get_bus_info - Obtain bus information for adapter 509 * @hw: pointer to the HW structure 510 * 511 * This will obtain information about the HW bus for which the 512 * adapter is attached and stores it in the hw structure. This is a 513 * function pointer entry point called by drivers. 514 **/ 515 s32 e1000_get_bus_info(struct e1000_hw *hw) 516 { 517 if (hw->mac.ops.get_bus_info) 518 return hw->mac.ops.get_bus_info(hw); 519 520 return E1000_SUCCESS; 521 } 522 523 /** 524 * e1000_clear_vfta - Clear VLAN filter table 525 * @hw: pointer to the HW structure 526 * 527 * This clears the VLAN filter table on the adapter. This is a function 528 * pointer entry point called by drivers. 529 **/ 530 void e1000_clear_vfta(struct e1000_hw *hw) 531 { 532 if (hw->mac.ops.clear_vfta) 533 hw->mac.ops.clear_vfta(hw); 534 } 535 536 /** 537 * e1000_write_vfta - Write value to VLAN filter table 538 * @hw: pointer to the HW structure 539 * @offset: the 32-bit offset in which to write the value to. 540 * @value: the 32-bit value to write at location offset. 541 * 542 * This writes a 32-bit value to a 32-bit offset in the VLAN filter 543 * table. This is a function pointer entry point called by drivers. 544 **/ 545 void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value) 546 { 547 if (hw->mac.ops.write_vfta) 548 hw->mac.ops.write_vfta(hw, offset, value); 549 } 550 551 /** 552 * e1000_update_mc_addr_list - Update Multicast addresses 553 * @hw: pointer to the HW structure 554 * @mc_addr_list: array of multicast addresses to program 555 * @mc_addr_count: number of multicast addresses to program 556 * 557 * Updates the Multicast Table Array. 558 * The caller must have a packed mc_addr_list of multicast addresses. 559 **/ 560 void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list, 561 u32 mc_addr_count) 562 { 563 if (hw->mac.ops.update_mc_addr_list) 564 hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, 565 mc_addr_count); 566 } 567 568 /** 569 * e1000_force_mac_fc - Force MAC flow control 570 * @hw: pointer to the HW structure 571 * 572 * Force the MAC's flow control settings. Currently no func pointer exists 573 * and all implementations are handled in the generic version of this 574 * function. 575 **/ 576 s32 e1000_force_mac_fc(struct e1000_hw *hw) 577 { 578 return e1000_force_mac_fc_generic(hw); 579 } 580 581 /** 582 * e1000_check_for_link - Check/Store link connection 583 * @hw: pointer to the HW structure 584 * 585 * This checks the link condition of the adapter and stores the 586 * results in the hw->mac structure. This is a function pointer entry 587 * point called by drivers. 588 **/ 589 s32 e1000_check_for_link(struct e1000_hw *hw) 590 { 591 if (hw->mac.ops.check_for_link) 592 return hw->mac.ops.check_for_link(hw); 593 594 return -E1000_ERR_CONFIG; 595 } 596 597 /** 598 * e1000_check_mng_mode - Check management mode 599 * @hw: pointer to the HW structure 600 * 601 * This checks if the adapter has manageability enabled. 602 * This is a function pointer entry point called by drivers. 603 **/ 604 bool e1000_check_mng_mode(struct e1000_hw *hw) 605 { 606 if (hw->mac.ops.check_mng_mode) 607 return hw->mac.ops.check_mng_mode(hw); 608 609 return FALSE; 610 } 611 612 /** 613 * e1000_mng_write_dhcp_info - Writes DHCP info to host interface 614 * @hw: pointer to the HW structure 615 * @buffer: pointer to the host interface 616 * @length: size of the buffer 617 * 618 * Writes the DHCP information to the host interface. 619 **/ 620 s32 e1000_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length) 621 { 622 return e1000_mng_write_dhcp_info_generic(hw, buffer, length); 623 } 624 625 /** 626 * e1000_reset_hw - Reset hardware 627 * @hw: pointer to the HW structure 628 * 629 * This resets the hardware into a known state. This is a function pointer 630 * entry point called by drivers. 631 **/ 632 s32 e1000_reset_hw(struct e1000_hw *hw) 633 { 634 if (hw->mac.ops.reset_hw) 635 return hw->mac.ops.reset_hw(hw); 636 637 return -E1000_ERR_CONFIG; 638 } 639 640 /** 641 * e1000_init_hw - Initialize hardware 642 * @hw: pointer to the HW structure 643 * 644 * This inits the hardware readying it for operation. This is a function 645 * pointer entry point called by drivers. 646 **/ 647 s32 e1000_init_hw(struct e1000_hw *hw) 648 { 649 if (hw->mac.ops.init_hw) 650 return hw->mac.ops.init_hw(hw); 651 652 return -E1000_ERR_CONFIG; 653 } 654 655 /** 656 * e1000_setup_link - Configures link and flow control 657 * @hw: pointer to the HW structure 658 * 659 * This configures link and flow control settings for the adapter. This 660 * is a function pointer entry point called by drivers. While modules can 661 * also call this, they probably call their own version of this function. 662 **/ 663 s32 e1000_setup_link(struct e1000_hw *hw) 664 { 665 if (hw->mac.ops.setup_link) 666 return hw->mac.ops.setup_link(hw); 667 668 return -E1000_ERR_CONFIG; 669 } 670 671 /** 672 * e1000_get_speed_and_duplex - Returns current speed and duplex 673 * @hw: pointer to the HW structure 674 * @speed: pointer to a 16-bit value to store the speed 675 * @duplex: pointer to a 16-bit value to store the duplex. 676 * 677 * This returns the speed and duplex of the adapter in the two 'out' 678 * variables passed in. This is a function pointer entry point called 679 * by drivers. 680 **/ 681 s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex) 682 { 683 if (hw->mac.ops.get_link_up_info) 684 return hw->mac.ops.get_link_up_info(hw, speed, duplex); 685 686 return -E1000_ERR_CONFIG; 687 } 688 689 /** 690 * e1000_setup_led - Configures SW controllable LED 691 * @hw: pointer to the HW structure 692 * 693 * This prepares the SW controllable LED for use and saves the current state 694 * of the LED so it can be later restored. This is a function pointer entry 695 * point called by drivers. 696 **/ 697 s32 e1000_setup_led(struct e1000_hw *hw) 698 { 699 if (hw->mac.ops.setup_led) 700 return hw->mac.ops.setup_led(hw); 701 702 return E1000_SUCCESS; 703 } 704 705 /** 706 * e1000_cleanup_led - Restores SW controllable LED 707 * @hw: pointer to the HW structure 708 * 709 * This restores the SW controllable LED to the value saved off by 710 * e1000_setup_led. This is a function pointer entry point called by drivers. 711 **/ 712 s32 e1000_cleanup_led(struct e1000_hw *hw) 713 { 714 if (hw->mac.ops.cleanup_led) 715 return hw->mac.ops.cleanup_led(hw); 716 717 return E1000_SUCCESS; 718 } 719 720 /** 721 * e1000_blink_led - Blink SW controllable LED 722 * @hw: pointer to the HW structure 723 * 724 * This starts the adapter LED blinking. Request the LED to be setup first 725 * and cleaned up after. This is a function pointer entry point called by 726 * drivers. 727 **/ 728 s32 e1000_blink_led(struct e1000_hw *hw) 729 { 730 if (hw->mac.ops.blink_led) 731 return hw->mac.ops.blink_led(hw); 732 733 return E1000_SUCCESS; 734 } 735 736 /** 737 * e1000_id_led_init - store LED configurations in SW 738 * @hw: pointer to the HW structure 739 * 740 * Initializes the LED config in SW. This is a function pointer entry point 741 * called by drivers. 742 **/ 743 s32 e1000_id_led_init(struct e1000_hw *hw) 744 { 745 if (hw->mac.ops.id_led_init) 746 return hw->mac.ops.id_led_init(hw); 747 748 return E1000_SUCCESS; 749 } 750 751 /** 752 * e1000_led_on - Turn on SW controllable LED 753 * @hw: pointer to the HW structure 754 * 755 * Turns the SW defined LED on. This is a function pointer entry point 756 * called by drivers. 757 **/ 758 s32 e1000_led_on(struct e1000_hw *hw) 759 { 760 if (hw->mac.ops.led_on) 761 return hw->mac.ops.led_on(hw); 762 763 return E1000_SUCCESS; 764 } 765 766 /** 767 * e1000_led_off - Turn off SW controllable LED 768 * @hw: pointer to the HW structure 769 * 770 * Turns the SW defined LED off. This is a function pointer entry point 771 * called by drivers. 772 **/ 773 s32 e1000_led_off(struct e1000_hw *hw) 774 { 775 if (hw->mac.ops.led_off) 776 return hw->mac.ops.led_off(hw); 777 778 return E1000_SUCCESS; 779 } 780 781 /** 782 * e1000_reset_adaptive - Reset adaptive IFS 783 * @hw: pointer to the HW structure 784 * 785 * Resets the adaptive IFS. Currently no func pointer exists and all 786 * implementations are handled in the generic version of this function. 787 **/ 788 void e1000_reset_adaptive(struct e1000_hw *hw) 789 { 790 e1000_reset_adaptive_generic(hw); 791 } 792 793 /** 794 * e1000_update_adaptive - Update adaptive IFS 795 * @hw: pointer to the HW structure 796 * 797 * Updates adapter IFS. Currently no func pointer exists and all 798 * implementations are handled in the generic version of this function. 799 **/ 800 void e1000_update_adaptive(struct e1000_hw *hw) 801 { 802 e1000_update_adaptive_generic(hw); 803 } 804 805 /** 806 * e1000_disable_pcie_master - Disable PCI-Express master access 807 * @hw: pointer to the HW structure 808 * 809 * Disables PCI-Express master access and verifies there are no pending 810 * requests. Currently no func pointer exists and all implementations are 811 * handled in the generic version of this function. 812 **/ 813 s32 e1000_disable_pcie_master(struct e1000_hw *hw) 814 { 815 return e1000_disable_pcie_master_generic(hw); 816 } 817 818 /** 819 * e1000_config_collision_dist - Configure collision distance 820 * @hw: pointer to the HW structure 821 * 822 * Configures the collision distance to the default value and is used 823 * during link setup. 824 **/ 825 void e1000_config_collision_dist(struct e1000_hw *hw) 826 { 827 if (hw->mac.ops.config_collision_dist) 828 hw->mac.ops.config_collision_dist(hw); 829 } 830 831 /** 832 * e1000_rar_set - Sets a receive address register 833 * @hw: pointer to the HW structure 834 * @addr: address to set the RAR to 835 * @index: the RAR to set 836 * 837 * Sets a Receive Address Register (RAR) to the specified address. 838 **/ 839 int e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index) 840 { 841 if (hw->mac.ops.rar_set) 842 return hw->mac.ops.rar_set(hw, addr, index); 843 844 return E1000_SUCCESS; 845 } 846 847 /** 848 * e1000_validate_mdi_setting - Ensures valid MDI/MDIX SW state 849 * @hw: pointer to the HW structure 850 * 851 * Ensures that the MDI/MDIX SW state is valid. 852 **/ 853 s32 e1000_validate_mdi_setting(struct e1000_hw *hw) 854 { 855 if (hw->mac.ops.validate_mdi_setting) 856 return hw->mac.ops.validate_mdi_setting(hw); 857 858 return E1000_SUCCESS; 859 } 860 861 /** 862 * e1000_hash_mc_addr - Determines address location in multicast table 863 * @hw: pointer to the HW structure 864 * @mc_addr: Multicast address to hash. 865 * 866 * This hashes an address to determine its location in the multicast 867 * table. Currently no func pointer exists and all implementations 868 * are handled in the generic version of this function. 869 **/ 870 u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr) 871 { 872 return e1000_hash_mc_addr_generic(hw, mc_addr); 873 } 874 875 /** 876 * e1000_enable_tx_pkt_filtering - Enable packet filtering on TX 877 * @hw: pointer to the HW structure 878 * 879 * Enables packet filtering on transmit packets if manageability is enabled 880 * and host interface is enabled. 881 * Currently no func pointer exists and all implementations are handled in the 882 * generic version of this function. 883 **/ 884 bool e1000_enable_tx_pkt_filtering(struct e1000_hw *hw) 885 { 886 return e1000_enable_tx_pkt_filtering_generic(hw); 887 } 888 889 /** 890 * e1000_mng_host_if_write - Writes to the manageability host interface 891 * @hw: pointer to the HW structure 892 * @buffer: pointer to the host interface buffer 893 * @length: size of the buffer 894 * @offset: location in the buffer to write to 895 * @sum: sum of the data (not checksum) 896 * 897 * This function writes the buffer content at the offset given on the host if. 898 * It also does alignment considerations to do the writes in most efficient 899 * way. Also fills up the sum of the buffer in *buffer parameter. 900 **/ 901 s32 e1000_mng_host_if_write(struct e1000_hw *hw, u8 *buffer, u16 length, 902 u16 offset, u8 *sum) 903 { 904 return e1000_mng_host_if_write_generic(hw, buffer, length, offset, sum); 905 } 906 907 /** 908 * e1000_mng_write_cmd_header - Writes manageability command header 909 * @hw: pointer to the HW structure 910 * @hdr: pointer to the host interface command header 911 * 912 * Writes the command header after does the checksum calculation. 913 **/ 914 s32 e1000_mng_write_cmd_header(struct e1000_hw *hw, 915 struct e1000_host_mng_command_header *hdr) 916 { 917 return e1000_mng_write_cmd_header_generic(hw, hdr); 918 } 919 920 /** 921 * e1000_mng_enable_host_if - Checks host interface is enabled 922 * @hw: pointer to the HW structure 923 * 924 * Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND 925 * 926 * This function checks whether the HOST IF is enabled for command operation 927 * and also checks whether the previous command is completed. It busy waits 928 * in case of previous command is not completed. 929 **/ 930 s32 e1000_mng_enable_host_if(struct e1000_hw *hw) 931 { 932 return e1000_mng_enable_host_if_generic(hw); 933 } 934 935 /** 936 * e1000_set_obff_timer - Set Optimized Buffer Flush/Fill timer 937 * @hw: pointer to the HW structure 938 * @itr: u32 indicating itr value 939 * 940 * Set the OBFF timer based on the given interrupt rate. 941 **/ 942 s32 e1000_set_obff_timer(struct e1000_hw *hw, u32 itr) 943 { 944 if (hw->mac.ops.set_obff_timer) 945 return hw->mac.ops.set_obff_timer(hw, itr); 946 947 return E1000_SUCCESS; 948 } 949 950 /** 951 * e1000_check_reset_block - Verifies PHY can be reset 952 * @hw: pointer to the HW structure 953 * 954 * Checks if the PHY is in a state that can be reset or if manageability 955 * has it tied up. This is a function pointer entry point called by drivers. 956 **/ 957 s32 e1000_check_reset_block(struct e1000_hw *hw) 958 { 959 if (hw->phy.ops.check_reset_block) 960 return hw->phy.ops.check_reset_block(hw); 961 962 return E1000_SUCCESS; 963 } 964 965 /** 966 * e1000_read_phy_reg - Reads PHY register 967 * @hw: pointer to the HW structure 968 * @offset: the register to read 969 * @data: the buffer to store the 16-bit read. 970 * 971 * Reads the PHY register and returns the value in data. 972 * This is a function pointer entry point called by drivers. 973 **/ 974 s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data) 975 { 976 if (hw->phy.ops.read_reg) 977 return hw->phy.ops.read_reg(hw, offset, data); 978 979 return E1000_SUCCESS; 980 } 981 982 /** 983 * e1000_write_phy_reg - Writes PHY register 984 * @hw: pointer to the HW structure 985 * @offset: the register to write 986 * @data: the value to write. 987 * 988 * Writes the PHY register at offset with the value in data. 989 * This is a function pointer entry point called by drivers. 990 **/ 991 s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data) 992 { 993 if (hw->phy.ops.write_reg) 994 return hw->phy.ops.write_reg(hw, offset, data); 995 996 return E1000_SUCCESS; 997 } 998 999 /** 1000 * e1000_release_phy - Generic release PHY 1001 * @hw: pointer to the HW structure 1002 * 1003 * Return if silicon family does not require a semaphore when accessing the 1004 * PHY. 1005 **/ 1006 void e1000_release_phy(struct e1000_hw *hw) 1007 { 1008 if (hw->phy.ops.release) 1009 hw->phy.ops.release(hw); 1010 } 1011 1012 /** 1013 * e1000_acquire_phy - Generic acquire PHY 1014 * @hw: pointer to the HW structure 1015 * 1016 * Return success if silicon family does not require a semaphore when 1017 * accessing the PHY. 1018 **/ 1019 s32 e1000_acquire_phy(struct e1000_hw *hw) 1020 { 1021 if (hw->phy.ops.acquire) 1022 return hw->phy.ops.acquire(hw); 1023 1024 return E1000_SUCCESS; 1025 } 1026 1027 /** 1028 * e1000_cfg_on_link_up - Configure PHY upon link up 1029 * @hw: pointer to the HW structure 1030 **/ 1031 s32 e1000_cfg_on_link_up(struct e1000_hw *hw) 1032 { 1033 if (hw->phy.ops.cfg_on_link_up) 1034 return hw->phy.ops.cfg_on_link_up(hw); 1035 1036 return E1000_SUCCESS; 1037 } 1038 1039 /** 1040 * e1000_read_kmrn_reg - Reads register using Kumeran interface 1041 * @hw: pointer to the HW structure 1042 * @offset: the register to read 1043 * @data: the location to store the 16-bit value read. 1044 * 1045 * Reads a register out of the Kumeran interface. Currently no func pointer 1046 * exists and all implementations are handled in the generic version of 1047 * this function. 1048 **/ 1049 s32 e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) 1050 { 1051 return e1000_read_kmrn_reg_generic(hw, offset, data); 1052 } 1053 1054 /** 1055 * e1000_write_kmrn_reg - Writes register using Kumeran interface 1056 * @hw: pointer to the HW structure 1057 * @offset: the register to write 1058 * @data: the value to write. 1059 * 1060 * Writes a register to the Kumeran interface. Currently no func pointer 1061 * exists and all implementations are handled in the generic version of 1062 * this function. 1063 **/ 1064 s32 e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data) 1065 { 1066 return e1000_write_kmrn_reg_generic(hw, offset, data); 1067 } 1068 1069 /** 1070 * e1000_get_cable_length - Retrieves cable length estimation 1071 * @hw: pointer to the HW structure 1072 * 1073 * This function estimates the cable length and stores them in 1074 * hw->phy.min_length and hw->phy.max_length. This is a function pointer 1075 * entry point called by drivers. 1076 **/ 1077 s32 e1000_get_cable_length(struct e1000_hw *hw) 1078 { 1079 if (hw->phy.ops.get_cable_length) 1080 return hw->phy.ops.get_cable_length(hw); 1081 1082 return E1000_SUCCESS; 1083 } 1084 1085 /** 1086 * e1000_get_phy_info - Retrieves PHY information from registers 1087 * @hw: pointer to the HW structure 1088 * 1089 * This function gets some information from various PHY registers and 1090 * populates hw->phy values with it. This is a function pointer entry 1091 * point called by drivers. 1092 **/ 1093 s32 e1000_get_phy_info(struct e1000_hw *hw) 1094 { 1095 if (hw->phy.ops.get_info) 1096 return hw->phy.ops.get_info(hw); 1097 1098 return E1000_SUCCESS; 1099 } 1100 1101 /** 1102 * e1000_phy_hw_reset - Hard PHY reset 1103 * @hw: pointer to the HW structure 1104 * 1105 * Performs a hard PHY reset. This is a function pointer entry point called 1106 * by drivers. 1107 **/ 1108 s32 e1000_phy_hw_reset(struct e1000_hw *hw) 1109 { 1110 if (hw->phy.ops.reset) 1111 return hw->phy.ops.reset(hw); 1112 1113 return E1000_SUCCESS; 1114 } 1115 1116 /** 1117 * e1000_phy_commit - Soft PHY reset 1118 * @hw: pointer to the HW structure 1119 * 1120 * Performs a soft PHY reset on those that apply. This is a function pointer 1121 * entry point called by drivers. 1122 **/ 1123 s32 e1000_phy_commit(struct e1000_hw *hw) 1124 { 1125 if (hw->phy.ops.commit) 1126 return hw->phy.ops.commit(hw); 1127 1128 return E1000_SUCCESS; 1129 } 1130 1131 /** 1132 * e1000_set_d0_lplu_state - Sets low power link up state for D0 1133 * @hw: pointer to the HW structure 1134 * @active: boolean used to enable/disable lplu 1135 * 1136 * Success returns 0, Failure returns 1 1137 * 1138 * The low power link up (lplu) state is set to the power management level D0 1139 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D0 1140 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU 1141 * is used during Dx states where the power conservation is most important. 1142 * During driver activity, SmartSpeed should be enabled so performance is 1143 * maintained. This is a function pointer entry point called by drivers. 1144 **/ 1145 s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active) 1146 { 1147 if (hw->phy.ops.set_d0_lplu_state) 1148 return hw->phy.ops.set_d0_lplu_state(hw, active); 1149 1150 return E1000_SUCCESS; 1151 } 1152 1153 /** 1154 * e1000_set_d3_lplu_state - Sets low power link up state for D3 1155 * @hw: pointer to the HW structure 1156 * @active: boolean used to enable/disable lplu 1157 * 1158 * Success returns 0, Failure returns 1 1159 * 1160 * The low power link up (lplu) state is set to the power management level D3 1161 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D3 1162 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU 1163 * is used during Dx states where the power conservation is most important. 1164 * During driver activity, SmartSpeed should be enabled so performance is 1165 * maintained. This is a function pointer entry point called by drivers. 1166 **/ 1167 s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active) 1168 { 1169 if (hw->phy.ops.set_d3_lplu_state) 1170 return hw->phy.ops.set_d3_lplu_state(hw, active); 1171 1172 return E1000_SUCCESS; 1173 } 1174 1175 /** 1176 * e1000_read_mac_addr - Reads MAC address 1177 * @hw: pointer to the HW structure 1178 * 1179 * Reads the MAC address out of the adapter and stores it in the HW structure. 1180 * Currently no func pointer exists and all implementations are handled in the 1181 * generic version of this function. 1182 **/ 1183 s32 e1000_read_mac_addr(struct e1000_hw *hw) 1184 { 1185 if (hw->mac.ops.read_mac_addr) 1186 return hw->mac.ops.read_mac_addr(hw); 1187 1188 return e1000_read_mac_addr_generic(hw); 1189 } 1190 1191 /** 1192 * e1000_read_pba_string - Read device part number string 1193 * @hw: pointer to the HW structure 1194 * @pba_num: pointer to device part number 1195 * @pba_num_size: size of part number buffer 1196 * 1197 * Reads the product board assembly (PBA) number from the EEPROM and stores 1198 * the value in pba_num. 1199 * Currently no func pointer exists and all implementations are handled in the 1200 * generic version of this function. 1201 **/ 1202 s32 e1000_read_pba_string(struct e1000_hw *hw, u8 *pba_num, u32 pba_num_size) 1203 { 1204 return e1000_read_pba_string_generic(hw, pba_num, pba_num_size); 1205 } 1206 1207 /** 1208 * e1000_read_pba_length - Read device part number string length 1209 * @hw: pointer to the HW structure 1210 * @pba_num_size: size of part number buffer 1211 * 1212 * Reads the product board assembly (PBA) number length from the EEPROM and 1213 * stores the value in pba_num. 1214 * Currently no func pointer exists and all implementations are handled in the 1215 * generic version of this function. 1216 **/ 1217 s32 e1000_read_pba_length(struct e1000_hw *hw, u32 *pba_num_size) 1218 { 1219 return e1000_read_pba_length_generic(hw, pba_num_size); 1220 } 1221 1222 /** 1223 * e1000_read_pba_num - Read device part number 1224 * @hw: pointer to the HW structure 1225 * @pba_num: pointer to device part number 1226 * 1227 * Reads the product board assembly (PBA) number from the EEPROM and stores 1228 * the value in pba_num. 1229 * Currently no func pointer exists and all implementations are handled in the 1230 * generic version of this function. 1231 **/ 1232 s32 e1000_read_pba_num(struct e1000_hw *hw, u32 *pba_num) 1233 { 1234 return e1000_read_pba_num_generic(hw, pba_num); 1235 } 1236 1237 /** 1238 * e1000_validate_nvm_checksum - Verifies NVM (EEPROM) checksum 1239 * @hw: pointer to the HW structure 1240 * 1241 * Validates the NVM checksum is correct. This is a function pointer entry 1242 * point called by drivers. 1243 **/ 1244 s32 e1000_validate_nvm_checksum(struct e1000_hw *hw) 1245 { 1246 if (hw->nvm.ops.validate) 1247 return hw->nvm.ops.validate(hw); 1248 1249 return -E1000_ERR_CONFIG; 1250 } 1251 1252 /** 1253 * e1000_update_nvm_checksum - Updates NVM (EEPROM) checksum 1254 * @hw: pointer to the HW structure 1255 * 1256 * Updates the NVM checksum. Currently no func pointer exists and all 1257 * implementations are handled in the generic version of this function. 1258 **/ 1259 s32 e1000_update_nvm_checksum(struct e1000_hw *hw) 1260 { 1261 if (hw->nvm.ops.update) 1262 return hw->nvm.ops.update(hw); 1263 1264 return -E1000_ERR_CONFIG; 1265 } 1266 1267 /** 1268 * e1000_reload_nvm - Reloads EEPROM 1269 * @hw: pointer to the HW structure 1270 * 1271 * Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the 1272 * extended control register. 1273 **/ 1274 void e1000_reload_nvm(struct e1000_hw *hw) 1275 { 1276 if (hw->nvm.ops.reload) 1277 hw->nvm.ops.reload(hw); 1278 } 1279 1280 /** 1281 * e1000_read_nvm - Reads NVM (EEPROM) 1282 * @hw: pointer to the HW structure 1283 * @offset: the word offset to read 1284 * @words: number of 16-bit words to read 1285 * @data: pointer to the properly sized buffer for the data. 1286 * 1287 * Reads 16-bit chunks of data from the NVM (EEPROM). This is a function 1288 * pointer entry point called by drivers. 1289 **/ 1290 s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) 1291 { 1292 if (hw->nvm.ops.read) 1293 return hw->nvm.ops.read(hw, offset, words, data); 1294 1295 return -E1000_ERR_CONFIG; 1296 } 1297 1298 /** 1299 * e1000_write_nvm - Writes to NVM (EEPROM) 1300 * @hw: pointer to the HW structure 1301 * @offset: the word offset to read 1302 * @words: number of 16-bit words to write 1303 * @data: pointer to the properly sized buffer for the data. 1304 * 1305 * Writes 16-bit chunks of data to the NVM (EEPROM). This is a function 1306 * pointer entry point called by drivers. 1307 **/ 1308 s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) 1309 { 1310 if (hw->nvm.ops.write) 1311 return hw->nvm.ops.write(hw, offset, words, data); 1312 1313 return E1000_SUCCESS; 1314 } 1315 1316 /** 1317 * e1000_write_8bit_ctrl_reg - Writes 8bit Control register 1318 * @hw: pointer to the HW structure 1319 * @reg: 32bit register offset 1320 * @offset: the register to write 1321 * @data: the value to write. 1322 * 1323 * Writes the PHY register at offset with the value in data. 1324 * This is a function pointer entry point called by drivers. 1325 **/ 1326 s32 e1000_write_8bit_ctrl_reg(struct e1000_hw *hw, u32 reg, u32 offset, 1327 u8 data) 1328 { 1329 return e1000_write_8bit_ctrl_reg_generic(hw, reg, offset, data); 1330 } 1331 1332 /** 1333 * e1000_power_up_phy - Restores link in case of PHY power down 1334 * @hw: pointer to the HW structure 1335 * 1336 * The phy may be powered down to save power, to turn off link when the 1337 * driver is unloaded, or wake on lan is not enabled (among others). 1338 **/ 1339 void e1000_power_up_phy(struct e1000_hw *hw) 1340 { 1341 if (hw->phy.ops.power_up) 1342 hw->phy.ops.power_up(hw); 1343 1344 e1000_setup_link(hw); 1345 } 1346 1347 /** 1348 * e1000_power_down_phy - Power down PHY 1349 * @hw: pointer to the HW structure 1350 * 1351 * The phy may be powered down to save power, to turn off link when the 1352 * driver is unloaded, or wake on lan is not enabled (among others). 1353 **/ 1354 void e1000_power_down_phy(struct e1000_hw *hw) 1355 { 1356 if (hw->phy.ops.power_down) 1357 hw->phy.ops.power_down(hw); 1358 } 1359 1360 /** 1361 * e1000_power_up_fiber_serdes_link - Power up serdes link 1362 * @hw: pointer to the HW structure 1363 * 1364 * Power on the optics and PCS. 1365 **/ 1366 void e1000_power_up_fiber_serdes_link(struct e1000_hw *hw) 1367 { 1368 if (hw->mac.ops.power_up_serdes) 1369 hw->mac.ops.power_up_serdes(hw); 1370 } 1371 1372 /** 1373 * e1000_shutdown_fiber_serdes_link - Remove link during power down 1374 * @hw: pointer to the HW structure 1375 * 1376 * Shutdown the optics and PCS on driver unload. 1377 **/ 1378 void e1000_shutdown_fiber_serdes_link(struct e1000_hw *hw) 1379 { 1380 if (hw->mac.ops.shutdown_serdes) 1381 hw->mac.ops.shutdown_serdes(hw); 1382 } 1383