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_PCH_SPT_I219_LM: 306 case E1000_DEV_ID_PCH_SPT_I219_V: 307 case E1000_DEV_ID_PCH_SPT_I219_LM2: 308 case E1000_DEV_ID_PCH_SPT_I219_V2: 309 case E1000_DEV_ID_PCH_SPT_I219_LM3: 310 case E1000_DEV_ID_PCH_SPT_I219_LM4: 311 case E1000_DEV_ID_PCH_SPT_I219_V4: 312 case E1000_DEV_ID_PCH_SPT_I219_LM5: 313 case E1000_DEV_ID_PCH_SPT_I219_V5: 314 mac->type = e1000_pch_spt; 315 break; 316 case E1000_DEV_ID_82575EB_COPPER: 317 case E1000_DEV_ID_82575EB_FIBER_SERDES: 318 case E1000_DEV_ID_82575GB_QUAD_COPPER: 319 mac->type = e1000_82575; 320 break; 321 case E1000_DEV_ID_82576: 322 case E1000_DEV_ID_82576_FIBER: 323 case E1000_DEV_ID_82576_SERDES: 324 case E1000_DEV_ID_82576_QUAD_COPPER: 325 case E1000_DEV_ID_82576_QUAD_COPPER_ET2: 326 case E1000_DEV_ID_82576_NS: 327 case E1000_DEV_ID_82576_NS_SERDES: 328 case E1000_DEV_ID_82576_SERDES_QUAD: 329 mac->type = e1000_82576; 330 break; 331 case E1000_DEV_ID_82580_COPPER: 332 case E1000_DEV_ID_82580_FIBER: 333 case E1000_DEV_ID_82580_SERDES: 334 case E1000_DEV_ID_82580_SGMII: 335 case E1000_DEV_ID_82580_COPPER_DUAL: 336 case E1000_DEV_ID_82580_QUAD_FIBER: 337 case E1000_DEV_ID_DH89XXCC_SGMII: 338 case E1000_DEV_ID_DH89XXCC_SERDES: 339 case E1000_DEV_ID_DH89XXCC_BACKPLANE: 340 case E1000_DEV_ID_DH89XXCC_SFP: 341 mac->type = e1000_82580; 342 break; 343 case E1000_DEV_ID_I350_COPPER: 344 case E1000_DEV_ID_I350_FIBER: 345 case E1000_DEV_ID_I350_SERDES: 346 case E1000_DEV_ID_I350_SGMII: 347 case E1000_DEV_ID_I350_DA4: 348 mac->type = e1000_i350; 349 break; 350 case E1000_DEV_ID_I210_COPPER_FLASHLESS: 351 case E1000_DEV_ID_I210_SERDES_FLASHLESS: 352 case E1000_DEV_ID_I210_COPPER: 353 case E1000_DEV_ID_I210_COPPER_OEM1: 354 case E1000_DEV_ID_I210_COPPER_IT: 355 case E1000_DEV_ID_I210_FIBER: 356 case E1000_DEV_ID_I210_SERDES: 357 case E1000_DEV_ID_I210_SGMII: 358 mac->type = e1000_i210; 359 break; 360 case E1000_DEV_ID_I211_COPPER: 361 mac->type = e1000_i211; 362 break; 363 case E1000_DEV_ID_82576_VF: 364 case E1000_DEV_ID_82576_VF_HV: 365 mac->type = e1000_vfadapt; 366 break; 367 case E1000_DEV_ID_I350_VF: 368 case E1000_DEV_ID_I350_VF_HV: 369 mac->type = e1000_vfadapt_i350; 370 break; 371 372 case E1000_DEV_ID_I354_BACKPLANE_1GBPS: 373 case E1000_DEV_ID_I354_SGMII: 374 case E1000_DEV_ID_I354_BACKPLANE_2_5GBPS: 375 mac->type = e1000_i354; 376 break; 377 default: 378 /* Should never have loaded on this device */ 379 ret_val = -E1000_ERR_MAC_INIT; 380 break; 381 } 382 383 return ret_val; 384 } 385 386 /** 387 * e1000_setup_init_funcs - Initializes function pointers 388 * @hw: pointer to the HW structure 389 * @init_device: TRUE will initialize the rest of the function pointers 390 * getting the device ready for use. FALSE will only set 391 * MAC type and the function pointers for the other init 392 * functions. Passing FALSE will not generate any hardware 393 * reads or writes. 394 * 395 * This function must be called by a driver in order to use the rest 396 * of the 'shared' code files. Called by drivers only. 397 **/ 398 s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device) 399 { 400 s32 ret_val; 401 402 /* Can't do much good without knowing the MAC type. */ 403 ret_val = e1000_set_mac_type(hw); 404 if (ret_val) { 405 DEBUGOUT("ERROR: MAC type could not be set properly.\n"); 406 goto out; 407 } 408 409 if (!hw->hw_addr) { 410 DEBUGOUT("ERROR: Registers not mapped\n"); 411 ret_val = -E1000_ERR_CONFIG; 412 goto out; 413 } 414 415 /* 416 * Init function pointers to generic implementations. We do this first 417 * allowing a driver module to override it afterward. 418 */ 419 e1000_init_mac_ops_generic(hw); 420 e1000_init_phy_ops_generic(hw); 421 e1000_init_nvm_ops_generic(hw); 422 e1000_init_mbx_ops_generic(hw); 423 424 /* 425 * Set up the init function pointers. These are functions within the 426 * adapter family file that sets up function pointers for the rest of 427 * the functions in that family. 428 */ 429 switch (hw->mac.type) { 430 #ifndef NO_82542_SUPPORT 431 case e1000_82542: 432 e1000_init_function_pointers_82542(hw); 433 break; 434 #endif 435 case e1000_82543: 436 case e1000_82544: 437 e1000_init_function_pointers_82543(hw); 438 break; 439 case e1000_82540: 440 case e1000_82545: 441 case e1000_82545_rev_3: 442 case e1000_82546: 443 case e1000_82546_rev_3: 444 e1000_init_function_pointers_82540(hw); 445 break; 446 case e1000_82541: 447 case e1000_82541_rev_2: 448 case e1000_82547: 449 case e1000_82547_rev_2: 450 e1000_init_function_pointers_82541(hw); 451 break; 452 case e1000_82571: 453 case e1000_82572: 454 case e1000_82573: 455 case e1000_82574: 456 case e1000_82583: 457 e1000_init_function_pointers_82571(hw); 458 break; 459 case e1000_80003es2lan: 460 e1000_init_function_pointers_80003es2lan(hw); 461 break; 462 case e1000_ich8lan: 463 case e1000_ich9lan: 464 case e1000_ich10lan: 465 case e1000_pchlan: 466 case e1000_pch2lan: 467 case e1000_pch_lpt: 468 case e1000_pch_spt: 469 e1000_init_function_pointers_ich8lan(hw); 470 break; 471 case e1000_82575: 472 case e1000_82576: 473 case e1000_82580: 474 case e1000_i350: 475 case e1000_i354: 476 e1000_init_function_pointers_82575(hw); 477 break; 478 case e1000_i210: 479 case e1000_i211: 480 e1000_init_function_pointers_i210(hw); 481 break; 482 case e1000_vfadapt: 483 e1000_init_function_pointers_vf(hw); 484 break; 485 case e1000_vfadapt_i350: 486 e1000_init_function_pointers_vf(hw); 487 break; 488 default: 489 DEBUGOUT("Hardware not supported\n"); 490 ret_val = -E1000_ERR_CONFIG; 491 break; 492 } 493 494 /* 495 * Initialize the rest of the function pointers. These require some 496 * register reads/writes in some cases. 497 */ 498 if (!(ret_val) && init_device) { 499 ret_val = e1000_init_mac_params(hw); 500 if (ret_val) 501 goto out; 502 503 ret_val = e1000_init_nvm_params(hw); 504 if (ret_val) 505 goto out; 506 507 ret_val = e1000_init_phy_params(hw); 508 if (ret_val) 509 goto out; 510 511 ret_val = e1000_init_mbx_params(hw); 512 if (ret_val) 513 goto out; 514 } 515 516 out: 517 return ret_val; 518 } 519 520 /** 521 * e1000_get_bus_info - Obtain bus information for adapter 522 * @hw: pointer to the HW structure 523 * 524 * This will obtain information about the HW bus for which the 525 * adapter is attached and stores it in the hw structure. This is a 526 * function pointer entry point called by drivers. 527 **/ 528 s32 e1000_get_bus_info(struct e1000_hw *hw) 529 { 530 if (hw->mac.ops.get_bus_info) 531 return hw->mac.ops.get_bus_info(hw); 532 533 return E1000_SUCCESS; 534 } 535 536 /** 537 * e1000_clear_vfta - Clear VLAN filter table 538 * @hw: pointer to the HW structure 539 * 540 * This clears the VLAN filter table on the adapter. This is a function 541 * pointer entry point called by drivers. 542 **/ 543 void e1000_clear_vfta(struct e1000_hw *hw) 544 { 545 if (hw->mac.ops.clear_vfta) 546 hw->mac.ops.clear_vfta(hw); 547 } 548 549 /** 550 * e1000_write_vfta - Write value to VLAN filter table 551 * @hw: pointer to the HW structure 552 * @offset: the 32-bit offset in which to write the value to. 553 * @value: the 32-bit value to write at location offset. 554 * 555 * This writes a 32-bit value to a 32-bit offset in the VLAN filter 556 * table. This is a function pointer entry point called by drivers. 557 **/ 558 void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value) 559 { 560 if (hw->mac.ops.write_vfta) 561 hw->mac.ops.write_vfta(hw, offset, value); 562 } 563 564 /** 565 * e1000_update_mc_addr_list - Update Multicast addresses 566 * @hw: pointer to the HW structure 567 * @mc_addr_list: array of multicast addresses to program 568 * @mc_addr_count: number of multicast addresses to program 569 * 570 * Updates the Multicast Table Array. 571 * The caller must have a packed mc_addr_list of multicast addresses. 572 **/ 573 void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list, 574 u32 mc_addr_count) 575 { 576 if (hw->mac.ops.update_mc_addr_list) 577 hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, 578 mc_addr_count); 579 } 580 581 /** 582 * e1000_force_mac_fc - Force MAC flow control 583 * @hw: pointer to the HW structure 584 * 585 * Force the MAC's flow control settings. Currently no func pointer exists 586 * and all implementations are handled in the generic version of this 587 * function. 588 **/ 589 s32 e1000_force_mac_fc(struct e1000_hw *hw) 590 { 591 return e1000_force_mac_fc_generic(hw); 592 } 593 594 /** 595 * e1000_check_for_link - Check/Store link connection 596 * @hw: pointer to the HW structure 597 * 598 * This checks the link condition of the adapter and stores the 599 * results in the hw->mac structure. This is a function pointer entry 600 * point called by drivers. 601 **/ 602 s32 e1000_check_for_link(struct e1000_hw *hw) 603 { 604 if (hw->mac.ops.check_for_link) 605 return hw->mac.ops.check_for_link(hw); 606 607 return -E1000_ERR_CONFIG; 608 } 609 610 /** 611 * e1000_check_mng_mode - Check management mode 612 * @hw: pointer to the HW structure 613 * 614 * This checks if the adapter has manageability enabled. 615 * This is a function pointer entry point called by drivers. 616 **/ 617 bool e1000_check_mng_mode(struct e1000_hw *hw) 618 { 619 if (hw->mac.ops.check_mng_mode) 620 return hw->mac.ops.check_mng_mode(hw); 621 622 return FALSE; 623 } 624 625 /** 626 * e1000_mng_write_dhcp_info - Writes DHCP info to host interface 627 * @hw: pointer to the HW structure 628 * @buffer: pointer to the host interface 629 * @length: size of the buffer 630 * 631 * Writes the DHCP information to the host interface. 632 **/ 633 s32 e1000_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length) 634 { 635 return e1000_mng_write_dhcp_info_generic(hw, buffer, length); 636 } 637 638 /** 639 * e1000_reset_hw - Reset hardware 640 * @hw: pointer to the HW structure 641 * 642 * This resets the hardware into a known state. This is a function pointer 643 * entry point called by drivers. 644 **/ 645 s32 e1000_reset_hw(struct e1000_hw *hw) 646 { 647 if (hw->mac.ops.reset_hw) 648 return hw->mac.ops.reset_hw(hw); 649 650 return -E1000_ERR_CONFIG; 651 } 652 653 /** 654 * e1000_init_hw - Initialize hardware 655 * @hw: pointer to the HW structure 656 * 657 * This inits the hardware readying it for operation. This is a function 658 * pointer entry point called by drivers. 659 **/ 660 s32 e1000_init_hw(struct e1000_hw *hw) 661 { 662 if (hw->mac.ops.init_hw) 663 return hw->mac.ops.init_hw(hw); 664 665 return -E1000_ERR_CONFIG; 666 } 667 668 /** 669 * e1000_setup_link - Configures link and flow control 670 * @hw: pointer to the HW structure 671 * 672 * This configures link and flow control settings for the adapter. This 673 * is a function pointer entry point called by drivers. While modules can 674 * also call this, they probably call their own version of this function. 675 **/ 676 s32 e1000_setup_link(struct e1000_hw *hw) 677 { 678 if (hw->mac.ops.setup_link) 679 return hw->mac.ops.setup_link(hw); 680 681 return -E1000_ERR_CONFIG; 682 } 683 684 /** 685 * e1000_get_speed_and_duplex - Returns current speed and duplex 686 * @hw: pointer to the HW structure 687 * @speed: pointer to a 16-bit value to store the speed 688 * @duplex: pointer to a 16-bit value to store the duplex. 689 * 690 * This returns the speed and duplex of the adapter in the two 'out' 691 * variables passed in. This is a function pointer entry point called 692 * by drivers. 693 **/ 694 s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex) 695 { 696 if (hw->mac.ops.get_link_up_info) 697 return hw->mac.ops.get_link_up_info(hw, speed, duplex); 698 699 return -E1000_ERR_CONFIG; 700 } 701 702 /** 703 * e1000_setup_led - Configures SW controllable LED 704 * @hw: pointer to the HW structure 705 * 706 * This prepares the SW controllable LED for use and saves the current state 707 * of the LED so it can be later restored. This is a function pointer entry 708 * point called by drivers. 709 **/ 710 s32 e1000_setup_led(struct e1000_hw *hw) 711 { 712 if (hw->mac.ops.setup_led) 713 return hw->mac.ops.setup_led(hw); 714 715 return E1000_SUCCESS; 716 } 717 718 /** 719 * e1000_cleanup_led - Restores SW controllable LED 720 * @hw: pointer to the HW structure 721 * 722 * This restores the SW controllable LED to the value saved off by 723 * e1000_setup_led. This is a function pointer entry point called by drivers. 724 **/ 725 s32 e1000_cleanup_led(struct e1000_hw *hw) 726 { 727 if (hw->mac.ops.cleanup_led) 728 return hw->mac.ops.cleanup_led(hw); 729 730 return E1000_SUCCESS; 731 } 732 733 /** 734 * e1000_blink_led - Blink SW controllable LED 735 * @hw: pointer to the HW structure 736 * 737 * This starts the adapter LED blinking. Request the LED to be setup first 738 * and cleaned up after. This is a function pointer entry point called by 739 * drivers. 740 **/ 741 s32 e1000_blink_led(struct e1000_hw *hw) 742 { 743 if (hw->mac.ops.blink_led) 744 return hw->mac.ops.blink_led(hw); 745 746 return E1000_SUCCESS; 747 } 748 749 /** 750 * e1000_id_led_init - store LED configurations in SW 751 * @hw: pointer to the HW structure 752 * 753 * Initializes the LED config in SW. This is a function pointer entry point 754 * called by drivers. 755 **/ 756 s32 e1000_id_led_init(struct e1000_hw *hw) 757 { 758 if (hw->mac.ops.id_led_init) 759 return hw->mac.ops.id_led_init(hw); 760 761 return E1000_SUCCESS; 762 } 763 764 /** 765 * e1000_led_on - Turn on SW controllable LED 766 * @hw: pointer to the HW structure 767 * 768 * Turns the SW defined LED on. This is a function pointer entry point 769 * called by drivers. 770 **/ 771 s32 e1000_led_on(struct e1000_hw *hw) 772 { 773 if (hw->mac.ops.led_on) 774 return hw->mac.ops.led_on(hw); 775 776 return E1000_SUCCESS; 777 } 778 779 /** 780 * e1000_led_off - Turn off SW controllable LED 781 * @hw: pointer to the HW structure 782 * 783 * Turns the SW defined LED off. This is a function pointer entry point 784 * called by drivers. 785 **/ 786 s32 e1000_led_off(struct e1000_hw *hw) 787 { 788 if (hw->mac.ops.led_off) 789 return hw->mac.ops.led_off(hw); 790 791 return E1000_SUCCESS; 792 } 793 794 /** 795 * e1000_reset_adaptive - Reset adaptive IFS 796 * @hw: pointer to the HW structure 797 * 798 * Resets the adaptive IFS. Currently no func pointer exists and all 799 * implementations are handled in the generic version of this function. 800 **/ 801 void e1000_reset_adaptive(struct e1000_hw *hw) 802 { 803 e1000_reset_adaptive_generic(hw); 804 } 805 806 /** 807 * e1000_update_adaptive - Update adaptive IFS 808 * @hw: pointer to the HW structure 809 * 810 * Updates adapter IFS. Currently no func pointer exists and all 811 * implementations are handled in the generic version of this function. 812 **/ 813 void e1000_update_adaptive(struct e1000_hw *hw) 814 { 815 e1000_update_adaptive_generic(hw); 816 } 817 818 /** 819 * e1000_disable_pcie_master - Disable PCI-Express master access 820 * @hw: pointer to the HW structure 821 * 822 * Disables PCI-Express master access and verifies there are no pending 823 * requests. Currently no func pointer exists and all implementations are 824 * handled in the generic version of this function. 825 **/ 826 s32 e1000_disable_pcie_master(struct e1000_hw *hw) 827 { 828 return e1000_disable_pcie_master_generic(hw); 829 } 830 831 /** 832 * e1000_config_collision_dist - Configure collision distance 833 * @hw: pointer to the HW structure 834 * 835 * Configures the collision distance to the default value and is used 836 * during link setup. 837 **/ 838 void e1000_config_collision_dist(struct e1000_hw *hw) 839 { 840 if (hw->mac.ops.config_collision_dist) 841 hw->mac.ops.config_collision_dist(hw); 842 } 843 844 /** 845 * e1000_rar_set - Sets a receive address register 846 * @hw: pointer to the HW structure 847 * @addr: address to set the RAR to 848 * @index: the RAR to set 849 * 850 * Sets a Receive Address Register (RAR) to the specified address. 851 **/ 852 int e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index) 853 { 854 if (hw->mac.ops.rar_set) 855 return hw->mac.ops.rar_set(hw, addr, index); 856 857 return E1000_SUCCESS; 858 } 859 860 /** 861 * e1000_validate_mdi_setting - Ensures valid MDI/MDIX SW state 862 * @hw: pointer to the HW structure 863 * 864 * Ensures that the MDI/MDIX SW state is valid. 865 **/ 866 s32 e1000_validate_mdi_setting(struct e1000_hw *hw) 867 { 868 if (hw->mac.ops.validate_mdi_setting) 869 return hw->mac.ops.validate_mdi_setting(hw); 870 871 return E1000_SUCCESS; 872 } 873 874 /** 875 * e1000_hash_mc_addr - Determines address location in multicast table 876 * @hw: pointer to the HW structure 877 * @mc_addr: Multicast address to hash. 878 * 879 * This hashes an address to determine its location in the multicast 880 * table. Currently no func pointer exists and all implementations 881 * are handled in the generic version of this function. 882 **/ 883 u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr) 884 { 885 return e1000_hash_mc_addr_generic(hw, mc_addr); 886 } 887 888 /** 889 * e1000_enable_tx_pkt_filtering - Enable packet filtering on TX 890 * @hw: pointer to the HW structure 891 * 892 * Enables packet filtering on transmit packets if manageability is enabled 893 * and host interface is enabled. 894 * Currently no func pointer exists and all implementations are handled in the 895 * generic version of this function. 896 **/ 897 bool e1000_enable_tx_pkt_filtering(struct e1000_hw *hw) 898 { 899 return e1000_enable_tx_pkt_filtering_generic(hw); 900 } 901 902 /** 903 * e1000_mng_host_if_write - Writes to the manageability host interface 904 * @hw: pointer to the HW structure 905 * @buffer: pointer to the host interface buffer 906 * @length: size of the buffer 907 * @offset: location in the buffer to write to 908 * @sum: sum of the data (not checksum) 909 * 910 * This function writes the buffer content at the offset given on the host if. 911 * It also does alignment considerations to do the writes in most efficient 912 * way. Also fills up the sum of the buffer in *buffer parameter. 913 **/ 914 s32 e1000_mng_host_if_write(struct e1000_hw *hw, u8 *buffer, u16 length, 915 u16 offset, u8 *sum) 916 { 917 return e1000_mng_host_if_write_generic(hw, buffer, length, offset, sum); 918 } 919 920 /** 921 * e1000_mng_write_cmd_header - Writes manageability command header 922 * @hw: pointer to the HW structure 923 * @hdr: pointer to the host interface command header 924 * 925 * Writes the command header after does the checksum calculation. 926 **/ 927 s32 e1000_mng_write_cmd_header(struct e1000_hw *hw, 928 struct e1000_host_mng_command_header *hdr) 929 { 930 return e1000_mng_write_cmd_header_generic(hw, hdr); 931 } 932 933 /** 934 * e1000_mng_enable_host_if - Checks host interface is enabled 935 * @hw: pointer to the HW structure 936 * 937 * Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND 938 * 939 * This function checks whether the HOST IF is enabled for command operation 940 * and also checks whether the previous command is completed. It busy waits 941 * in case of previous command is not completed. 942 **/ 943 s32 e1000_mng_enable_host_if(struct e1000_hw *hw) 944 { 945 return e1000_mng_enable_host_if_generic(hw); 946 } 947 948 /** 949 * e1000_set_obff_timer - Set Optimized Buffer Flush/Fill timer 950 * @hw: pointer to the HW structure 951 * @itr: u32 indicating itr value 952 * 953 * Set the OBFF timer based on the given interrupt rate. 954 **/ 955 s32 e1000_set_obff_timer(struct e1000_hw *hw, u32 itr) 956 { 957 if (hw->mac.ops.set_obff_timer) 958 return hw->mac.ops.set_obff_timer(hw, itr); 959 960 return E1000_SUCCESS; 961 } 962 963 /** 964 * e1000_check_reset_block - Verifies PHY can be reset 965 * @hw: pointer to the HW structure 966 * 967 * Checks if the PHY is in a state that can be reset or if manageability 968 * has it tied up. This is a function pointer entry point called by drivers. 969 **/ 970 s32 e1000_check_reset_block(struct e1000_hw *hw) 971 { 972 if (hw->phy.ops.check_reset_block) 973 return hw->phy.ops.check_reset_block(hw); 974 975 return E1000_SUCCESS; 976 } 977 978 /** 979 * e1000_read_phy_reg - Reads PHY register 980 * @hw: pointer to the HW structure 981 * @offset: the register to read 982 * @data: the buffer to store the 16-bit read. 983 * 984 * Reads the PHY register and returns the value in data. 985 * This is a function pointer entry point called by drivers. 986 **/ 987 s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data) 988 { 989 if (hw->phy.ops.read_reg) 990 return hw->phy.ops.read_reg(hw, offset, data); 991 992 return E1000_SUCCESS; 993 } 994 995 /** 996 * e1000_write_phy_reg - Writes PHY register 997 * @hw: pointer to the HW structure 998 * @offset: the register to write 999 * @data: the value to write. 1000 * 1001 * Writes the PHY register at offset with the value in data. 1002 * This is a function pointer entry point called by drivers. 1003 **/ 1004 s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data) 1005 { 1006 if (hw->phy.ops.write_reg) 1007 return hw->phy.ops.write_reg(hw, offset, data); 1008 1009 return E1000_SUCCESS; 1010 } 1011 1012 /** 1013 * e1000_release_phy - Generic release PHY 1014 * @hw: pointer to the HW structure 1015 * 1016 * Return if silicon family does not require a semaphore when accessing the 1017 * PHY. 1018 **/ 1019 void e1000_release_phy(struct e1000_hw *hw) 1020 { 1021 if (hw->phy.ops.release) 1022 hw->phy.ops.release(hw); 1023 } 1024 1025 /** 1026 * e1000_acquire_phy - Generic acquire PHY 1027 * @hw: pointer to the HW structure 1028 * 1029 * Return success if silicon family does not require a semaphore when 1030 * accessing the PHY. 1031 **/ 1032 s32 e1000_acquire_phy(struct e1000_hw *hw) 1033 { 1034 if (hw->phy.ops.acquire) 1035 return hw->phy.ops.acquire(hw); 1036 1037 return E1000_SUCCESS; 1038 } 1039 1040 /** 1041 * e1000_cfg_on_link_up - Configure PHY upon link up 1042 * @hw: pointer to the HW structure 1043 **/ 1044 s32 e1000_cfg_on_link_up(struct e1000_hw *hw) 1045 { 1046 if (hw->phy.ops.cfg_on_link_up) 1047 return hw->phy.ops.cfg_on_link_up(hw); 1048 1049 return E1000_SUCCESS; 1050 } 1051 1052 /** 1053 * e1000_read_kmrn_reg - Reads register using Kumeran interface 1054 * @hw: pointer to the HW structure 1055 * @offset: the register to read 1056 * @data: the location to store the 16-bit value read. 1057 * 1058 * Reads a register out of the Kumeran interface. Currently no func pointer 1059 * exists and all implementations are handled in the generic version of 1060 * this function. 1061 **/ 1062 s32 e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) 1063 { 1064 return e1000_read_kmrn_reg_generic(hw, offset, data); 1065 } 1066 1067 /** 1068 * e1000_write_kmrn_reg - Writes register using Kumeran interface 1069 * @hw: pointer to the HW structure 1070 * @offset: the register to write 1071 * @data: the value to write. 1072 * 1073 * Writes a register to the Kumeran interface. Currently no func pointer 1074 * exists and all implementations are handled in the generic version of 1075 * this function. 1076 **/ 1077 s32 e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data) 1078 { 1079 return e1000_write_kmrn_reg_generic(hw, offset, data); 1080 } 1081 1082 /** 1083 * e1000_get_cable_length - Retrieves cable length estimation 1084 * @hw: pointer to the HW structure 1085 * 1086 * This function estimates the cable length and stores them in 1087 * hw->phy.min_length and hw->phy.max_length. This is a function pointer 1088 * entry point called by drivers. 1089 **/ 1090 s32 e1000_get_cable_length(struct e1000_hw *hw) 1091 { 1092 if (hw->phy.ops.get_cable_length) 1093 return hw->phy.ops.get_cable_length(hw); 1094 1095 return E1000_SUCCESS; 1096 } 1097 1098 /** 1099 * e1000_get_phy_info - Retrieves PHY information from registers 1100 * @hw: pointer to the HW structure 1101 * 1102 * This function gets some information from various PHY registers and 1103 * populates hw->phy values with it. This is a function pointer entry 1104 * point called by drivers. 1105 **/ 1106 s32 e1000_get_phy_info(struct e1000_hw *hw) 1107 { 1108 if (hw->phy.ops.get_info) 1109 return hw->phy.ops.get_info(hw); 1110 1111 return E1000_SUCCESS; 1112 } 1113 1114 /** 1115 * e1000_phy_hw_reset - Hard PHY reset 1116 * @hw: pointer to the HW structure 1117 * 1118 * Performs a hard PHY reset. This is a function pointer entry point called 1119 * by drivers. 1120 **/ 1121 s32 e1000_phy_hw_reset(struct e1000_hw *hw) 1122 { 1123 if (hw->phy.ops.reset) 1124 return hw->phy.ops.reset(hw); 1125 1126 return E1000_SUCCESS; 1127 } 1128 1129 /** 1130 * e1000_phy_commit - Soft PHY reset 1131 * @hw: pointer to the HW structure 1132 * 1133 * Performs a soft PHY reset on those that apply. This is a function pointer 1134 * entry point called by drivers. 1135 **/ 1136 s32 e1000_phy_commit(struct e1000_hw *hw) 1137 { 1138 if (hw->phy.ops.commit) 1139 return hw->phy.ops.commit(hw); 1140 1141 return E1000_SUCCESS; 1142 } 1143 1144 /** 1145 * e1000_set_d0_lplu_state - Sets low power link up state for D0 1146 * @hw: pointer to the HW structure 1147 * @active: boolean used to enable/disable lplu 1148 * 1149 * Success returns 0, Failure returns 1 1150 * 1151 * The low power link up (lplu) state is set to the power management level D0 1152 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D0 1153 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU 1154 * is used during Dx states where the power conservation is most important. 1155 * During driver activity, SmartSpeed should be enabled so performance is 1156 * maintained. This is a function pointer entry point called by drivers. 1157 **/ 1158 s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active) 1159 { 1160 if (hw->phy.ops.set_d0_lplu_state) 1161 return hw->phy.ops.set_d0_lplu_state(hw, active); 1162 1163 return E1000_SUCCESS; 1164 } 1165 1166 /** 1167 * e1000_set_d3_lplu_state - Sets low power link up state for D3 1168 * @hw: pointer to the HW structure 1169 * @active: boolean used to enable/disable lplu 1170 * 1171 * Success returns 0, Failure returns 1 1172 * 1173 * The low power link up (lplu) state is set to the power management level D3 1174 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D3 1175 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU 1176 * is used during Dx states where the power conservation is most important. 1177 * During driver activity, SmartSpeed should be enabled so performance is 1178 * maintained. This is a function pointer entry point called by drivers. 1179 **/ 1180 s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active) 1181 { 1182 if (hw->phy.ops.set_d3_lplu_state) 1183 return hw->phy.ops.set_d3_lplu_state(hw, active); 1184 1185 return E1000_SUCCESS; 1186 } 1187 1188 /** 1189 * e1000_read_mac_addr - Reads MAC address 1190 * @hw: pointer to the HW structure 1191 * 1192 * Reads the MAC address out of the adapter and stores it in the HW structure. 1193 * Currently no func pointer exists and all implementations are handled in the 1194 * generic version of this function. 1195 **/ 1196 s32 e1000_read_mac_addr(struct e1000_hw *hw) 1197 { 1198 if (hw->mac.ops.read_mac_addr) 1199 return hw->mac.ops.read_mac_addr(hw); 1200 1201 return e1000_read_mac_addr_generic(hw); 1202 } 1203 1204 /** 1205 * e1000_read_pba_string - Read device part number string 1206 * @hw: pointer to the HW structure 1207 * @pba_num: pointer to device part number 1208 * @pba_num_size: size of part number buffer 1209 * 1210 * Reads the product board assembly (PBA) number from the EEPROM and stores 1211 * the value in pba_num. 1212 * Currently no func pointer exists and all implementations are handled in the 1213 * generic version of this function. 1214 **/ 1215 s32 e1000_read_pba_string(struct e1000_hw *hw, u8 *pba_num, u32 pba_num_size) 1216 { 1217 return e1000_read_pba_string_generic(hw, pba_num, pba_num_size); 1218 } 1219 1220 /** 1221 * e1000_read_pba_length - Read device part number string length 1222 * @hw: pointer to the HW structure 1223 * @pba_num_size: size of part number buffer 1224 * 1225 * Reads the product board assembly (PBA) number length from the EEPROM and 1226 * stores the value in pba_num. 1227 * Currently no func pointer exists and all implementations are handled in the 1228 * generic version of this function. 1229 **/ 1230 s32 e1000_read_pba_length(struct e1000_hw *hw, u32 *pba_num_size) 1231 { 1232 return e1000_read_pba_length_generic(hw, pba_num_size); 1233 } 1234 1235 /** 1236 * e1000_read_pba_num - Read device part number 1237 * @hw: pointer to the HW structure 1238 * @pba_num: pointer to device part number 1239 * 1240 * Reads the product board assembly (PBA) number from the EEPROM and stores 1241 * the value in pba_num. 1242 * Currently no func pointer exists and all implementations are handled in the 1243 * generic version of this function. 1244 **/ 1245 s32 e1000_read_pba_num(struct e1000_hw *hw, u32 *pba_num) 1246 { 1247 return e1000_read_pba_num_generic(hw, pba_num); 1248 } 1249 1250 /** 1251 * e1000_validate_nvm_checksum - Verifies NVM (EEPROM) checksum 1252 * @hw: pointer to the HW structure 1253 * 1254 * Validates the NVM checksum is correct. This is a function pointer entry 1255 * point called by drivers. 1256 **/ 1257 s32 e1000_validate_nvm_checksum(struct e1000_hw *hw) 1258 { 1259 if (hw->nvm.ops.validate) 1260 return hw->nvm.ops.validate(hw); 1261 1262 return -E1000_ERR_CONFIG; 1263 } 1264 1265 /** 1266 * e1000_update_nvm_checksum - Updates NVM (EEPROM) checksum 1267 * @hw: pointer to the HW structure 1268 * 1269 * Updates the NVM checksum. Currently no func pointer exists and all 1270 * implementations are handled in the generic version of this function. 1271 **/ 1272 s32 e1000_update_nvm_checksum(struct e1000_hw *hw) 1273 { 1274 if (hw->nvm.ops.update) 1275 return hw->nvm.ops.update(hw); 1276 1277 return -E1000_ERR_CONFIG; 1278 } 1279 1280 /** 1281 * e1000_reload_nvm - Reloads EEPROM 1282 * @hw: pointer to the HW structure 1283 * 1284 * Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the 1285 * extended control register. 1286 **/ 1287 void e1000_reload_nvm(struct e1000_hw *hw) 1288 { 1289 if (hw->nvm.ops.reload) 1290 hw->nvm.ops.reload(hw); 1291 } 1292 1293 /** 1294 * e1000_read_nvm - Reads NVM (EEPROM) 1295 * @hw: pointer to the HW structure 1296 * @offset: the word offset to read 1297 * @words: number of 16-bit words to read 1298 * @data: pointer to the properly sized buffer for the data. 1299 * 1300 * Reads 16-bit chunks of data from the NVM (EEPROM). This is a function 1301 * pointer entry point called by drivers. 1302 **/ 1303 s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) 1304 { 1305 if (hw->nvm.ops.read) 1306 return hw->nvm.ops.read(hw, offset, words, data); 1307 1308 return -E1000_ERR_CONFIG; 1309 } 1310 1311 /** 1312 * e1000_write_nvm - Writes to NVM (EEPROM) 1313 * @hw: pointer to the HW structure 1314 * @offset: the word offset to read 1315 * @words: number of 16-bit words to write 1316 * @data: pointer to the properly sized buffer for the data. 1317 * 1318 * Writes 16-bit chunks of data to the NVM (EEPROM). This is a function 1319 * pointer entry point called by drivers. 1320 **/ 1321 s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) 1322 { 1323 if (hw->nvm.ops.write) 1324 return hw->nvm.ops.write(hw, offset, words, data); 1325 1326 return E1000_SUCCESS; 1327 } 1328 1329 /** 1330 * e1000_write_8bit_ctrl_reg - Writes 8bit Control register 1331 * @hw: pointer to the HW structure 1332 * @reg: 32bit register offset 1333 * @offset: the register to write 1334 * @data: the value to write. 1335 * 1336 * Writes the PHY register at offset with the value in data. 1337 * This is a function pointer entry point called by drivers. 1338 **/ 1339 s32 e1000_write_8bit_ctrl_reg(struct e1000_hw *hw, u32 reg, u32 offset, 1340 u8 data) 1341 { 1342 return e1000_write_8bit_ctrl_reg_generic(hw, reg, offset, data); 1343 } 1344 1345 /** 1346 * e1000_power_up_phy - Restores link in case of PHY power down 1347 * @hw: pointer to the HW structure 1348 * 1349 * The phy may be powered down to save power, to turn off link when the 1350 * driver is unloaded, or wake on lan is not enabled (among others). 1351 **/ 1352 void e1000_power_up_phy(struct e1000_hw *hw) 1353 { 1354 if (hw->phy.ops.power_up) 1355 hw->phy.ops.power_up(hw); 1356 1357 e1000_setup_link(hw); 1358 } 1359 1360 /** 1361 * e1000_power_down_phy - Power down PHY 1362 * @hw: pointer to the HW structure 1363 * 1364 * The phy may be powered down to save power, to turn off link when the 1365 * driver is unloaded, or wake on lan is not enabled (among others). 1366 **/ 1367 void e1000_power_down_phy(struct e1000_hw *hw) 1368 { 1369 if (hw->phy.ops.power_down) 1370 hw->phy.ops.power_down(hw); 1371 } 1372 1373 /** 1374 * e1000_power_up_fiber_serdes_link - Power up serdes link 1375 * @hw: pointer to the HW structure 1376 * 1377 * Power on the optics and PCS. 1378 **/ 1379 void e1000_power_up_fiber_serdes_link(struct e1000_hw *hw) 1380 { 1381 if (hw->mac.ops.power_up_serdes) 1382 hw->mac.ops.power_up_serdes(hw); 1383 } 1384 1385 /** 1386 * e1000_shutdown_fiber_serdes_link - Remove link during power down 1387 * @hw: pointer to the HW structure 1388 * 1389 * Shutdown the optics and PCS on driver unload. 1390 **/ 1391 void e1000_shutdown_fiber_serdes_link(struct e1000_hw *hw) 1392 { 1393 if (hw->mac.ops.shutdown_serdes) 1394 hw->mac.ops.shutdown_serdes(hw); 1395 } 1396