1 /****************************************************************************** 2 3 Copyright (c) 2001-2016, 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 case E1000_DEV_ID_82542: 159 mac->type = e1000_82542; 160 break; 161 case E1000_DEV_ID_82543GC_FIBER: 162 case E1000_DEV_ID_82543GC_COPPER: 163 mac->type = e1000_82543; 164 break; 165 case E1000_DEV_ID_82544EI_COPPER: 166 case E1000_DEV_ID_82544EI_FIBER: 167 case E1000_DEV_ID_82544GC_COPPER: 168 case E1000_DEV_ID_82544GC_LOM: 169 mac->type = e1000_82544; 170 break; 171 case E1000_DEV_ID_82540EM: 172 case E1000_DEV_ID_82540EM_LOM: 173 case E1000_DEV_ID_82540EP: 174 case E1000_DEV_ID_82540EP_LOM: 175 case E1000_DEV_ID_82540EP_LP: 176 mac->type = e1000_82540; 177 break; 178 case E1000_DEV_ID_82545EM_COPPER: 179 case E1000_DEV_ID_82545EM_FIBER: 180 mac->type = e1000_82545; 181 break; 182 case E1000_DEV_ID_82545GM_COPPER: 183 case E1000_DEV_ID_82545GM_FIBER: 184 case E1000_DEV_ID_82545GM_SERDES: 185 mac->type = e1000_82545_rev_3; 186 break; 187 case E1000_DEV_ID_82546EB_COPPER: 188 case E1000_DEV_ID_82546EB_FIBER: 189 case E1000_DEV_ID_82546EB_QUAD_COPPER: 190 mac->type = e1000_82546; 191 break; 192 case E1000_DEV_ID_82546GB_COPPER: 193 case E1000_DEV_ID_82546GB_FIBER: 194 case E1000_DEV_ID_82546GB_SERDES: 195 case E1000_DEV_ID_82546GB_PCIE: 196 case E1000_DEV_ID_82546GB_QUAD_COPPER: 197 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: 198 mac->type = e1000_82546_rev_3; 199 break; 200 case E1000_DEV_ID_82541EI: 201 case E1000_DEV_ID_82541EI_MOBILE: 202 case E1000_DEV_ID_82541ER_LOM: 203 mac->type = e1000_82541; 204 break; 205 case E1000_DEV_ID_82541ER: 206 case E1000_DEV_ID_82541GI: 207 case E1000_DEV_ID_82541GI_LF: 208 case E1000_DEV_ID_82541GI_MOBILE: 209 mac->type = e1000_82541_rev_2; 210 break; 211 case E1000_DEV_ID_82547EI: 212 case E1000_DEV_ID_82547EI_MOBILE: 213 mac->type = e1000_82547; 214 break; 215 case E1000_DEV_ID_82547GI: 216 mac->type = e1000_82547_rev_2; 217 break; 218 case E1000_DEV_ID_82571EB_COPPER: 219 case E1000_DEV_ID_82571EB_FIBER: 220 case E1000_DEV_ID_82571EB_SERDES: 221 case E1000_DEV_ID_82571EB_SERDES_DUAL: 222 case E1000_DEV_ID_82571EB_SERDES_QUAD: 223 case E1000_DEV_ID_82571EB_QUAD_COPPER: 224 case E1000_DEV_ID_82571PT_QUAD_COPPER: 225 case E1000_DEV_ID_82571EB_QUAD_FIBER: 226 case E1000_DEV_ID_82571EB_QUAD_COPPER_LP: 227 case E1000_DEV_ID_82571EB_QUAD_COPPER_BP: 228 mac->type = e1000_82571; 229 break; 230 case E1000_DEV_ID_82572EI: 231 case E1000_DEV_ID_82572EI_COPPER: 232 case E1000_DEV_ID_82572EI_FIBER: 233 case E1000_DEV_ID_82572EI_SERDES: 234 mac->type = e1000_82572; 235 break; 236 case E1000_DEV_ID_82573E: 237 case E1000_DEV_ID_82573E_IAMT: 238 case E1000_DEV_ID_82573L: 239 mac->type = e1000_82573; 240 break; 241 case E1000_DEV_ID_82574L: 242 case E1000_DEV_ID_82574LA: 243 mac->type = e1000_82574; 244 break; 245 case E1000_DEV_ID_82583V: 246 mac->type = e1000_82583; 247 break; 248 case E1000_DEV_ID_80003ES2LAN_COPPER_DPT: 249 case E1000_DEV_ID_80003ES2LAN_SERDES_DPT: 250 case E1000_DEV_ID_80003ES2LAN_COPPER_SPT: 251 case E1000_DEV_ID_80003ES2LAN_SERDES_SPT: 252 mac->type = e1000_80003es2lan; 253 break; 254 case E1000_DEV_ID_ICH8_IFE: 255 case E1000_DEV_ID_ICH8_IFE_GT: 256 case E1000_DEV_ID_ICH8_IFE_G: 257 case E1000_DEV_ID_ICH8_IGP_M: 258 case E1000_DEV_ID_ICH8_IGP_M_AMT: 259 case E1000_DEV_ID_ICH8_IGP_AMT: 260 case E1000_DEV_ID_ICH8_IGP_C: 261 case E1000_DEV_ID_ICH8_82567V_3: 262 mac->type = e1000_ich8lan; 263 break; 264 case E1000_DEV_ID_ICH9_IFE: 265 case E1000_DEV_ID_ICH9_IFE_GT: 266 case E1000_DEV_ID_ICH9_IFE_G: 267 case E1000_DEV_ID_ICH9_IGP_M: 268 case E1000_DEV_ID_ICH9_IGP_M_AMT: 269 case E1000_DEV_ID_ICH9_IGP_M_V: 270 case E1000_DEV_ID_ICH9_IGP_AMT: 271 case E1000_DEV_ID_ICH9_BM: 272 case E1000_DEV_ID_ICH9_IGP_C: 273 case E1000_DEV_ID_ICH10_R_BM_LM: 274 case E1000_DEV_ID_ICH10_R_BM_LF: 275 case E1000_DEV_ID_ICH10_R_BM_V: 276 mac->type = e1000_ich9lan; 277 break; 278 case E1000_DEV_ID_ICH10_D_BM_LM: 279 case E1000_DEV_ID_ICH10_D_BM_LF: 280 case E1000_DEV_ID_ICH10_D_BM_V: 281 mac->type = e1000_ich10lan; 282 break; 283 case E1000_DEV_ID_PCH_D_HV_DM: 284 case E1000_DEV_ID_PCH_D_HV_DC: 285 case E1000_DEV_ID_PCH_M_HV_LM: 286 case E1000_DEV_ID_PCH_M_HV_LC: 287 mac->type = e1000_pchlan; 288 break; 289 case E1000_DEV_ID_PCH2_LV_LM: 290 case E1000_DEV_ID_PCH2_LV_V: 291 mac->type = e1000_pch2lan; 292 break; 293 case E1000_DEV_ID_PCH_LPT_I217_LM: 294 case E1000_DEV_ID_PCH_LPT_I217_V: 295 case E1000_DEV_ID_PCH_LPTLP_I218_LM: 296 case E1000_DEV_ID_PCH_LPTLP_I218_V: 297 case E1000_DEV_ID_PCH_I218_LM2: 298 case E1000_DEV_ID_PCH_I218_V2: 299 case E1000_DEV_ID_PCH_I218_LM3: 300 case E1000_DEV_ID_PCH_I218_V3: 301 mac->type = e1000_pch_lpt; 302 break; 303 case E1000_DEV_ID_PCH_SPT_I219_LM: 304 case E1000_DEV_ID_PCH_SPT_I219_V: 305 case E1000_DEV_ID_PCH_SPT_I219_LM2: 306 case E1000_DEV_ID_PCH_SPT_I219_V2: 307 case E1000_DEV_ID_PCH_LBG_I219_LM3: 308 case E1000_DEV_ID_PCH_SPT_I219_LM4: 309 case E1000_DEV_ID_PCH_SPT_I219_V4: 310 case E1000_DEV_ID_PCH_SPT_I219_LM5: 311 case E1000_DEV_ID_PCH_SPT_I219_V5: 312 mac->type = e1000_pch_spt; 313 break; 314 case E1000_DEV_ID_PCH_CNP_I219_LM6: 315 case E1000_DEV_ID_PCH_CNP_I219_V6: 316 case E1000_DEV_ID_PCH_CNP_I219_LM7: 317 case E1000_DEV_ID_PCH_CNP_I219_V7: 318 mac->type = e1000_pch_cnp; 319 break; 320 case E1000_DEV_ID_82575EB_COPPER: 321 case E1000_DEV_ID_82575EB_FIBER_SERDES: 322 case E1000_DEV_ID_82575GB_QUAD_COPPER: 323 mac->type = e1000_82575; 324 break; 325 case E1000_DEV_ID_82576: 326 case E1000_DEV_ID_82576_FIBER: 327 case E1000_DEV_ID_82576_SERDES: 328 case E1000_DEV_ID_82576_QUAD_COPPER: 329 case E1000_DEV_ID_82576_QUAD_COPPER_ET2: 330 case E1000_DEV_ID_82576_NS: 331 case E1000_DEV_ID_82576_NS_SERDES: 332 case E1000_DEV_ID_82576_SERDES_QUAD: 333 mac->type = e1000_82576; 334 break; 335 case E1000_DEV_ID_82580_COPPER: 336 case E1000_DEV_ID_82580_FIBER: 337 case E1000_DEV_ID_82580_SERDES: 338 case E1000_DEV_ID_82580_SGMII: 339 case E1000_DEV_ID_82580_COPPER_DUAL: 340 case E1000_DEV_ID_82580_QUAD_FIBER: 341 case E1000_DEV_ID_DH89XXCC_SGMII: 342 case E1000_DEV_ID_DH89XXCC_SERDES: 343 case E1000_DEV_ID_DH89XXCC_BACKPLANE: 344 case E1000_DEV_ID_DH89XXCC_SFP: 345 mac->type = e1000_82580; 346 break; 347 case E1000_DEV_ID_I350_COPPER: 348 case E1000_DEV_ID_I350_FIBER: 349 case E1000_DEV_ID_I350_SERDES: 350 case E1000_DEV_ID_I350_SGMII: 351 case E1000_DEV_ID_I350_DA4: 352 mac->type = e1000_i350; 353 break; 354 case E1000_DEV_ID_I210_COPPER_FLASHLESS: 355 case E1000_DEV_ID_I210_SERDES_FLASHLESS: 356 case E1000_DEV_ID_I210_COPPER: 357 case E1000_DEV_ID_I210_COPPER_OEM1: 358 case E1000_DEV_ID_I210_COPPER_IT: 359 case E1000_DEV_ID_I210_FIBER: 360 case E1000_DEV_ID_I210_SERDES: 361 case E1000_DEV_ID_I210_SGMII: 362 mac->type = e1000_i210; 363 break; 364 case E1000_DEV_ID_I211_COPPER: 365 mac->type = e1000_i211; 366 break; 367 case E1000_DEV_ID_82576_VF: 368 case E1000_DEV_ID_82576_VF_HV: 369 mac->type = e1000_vfadapt; 370 break; 371 case E1000_DEV_ID_I350_VF: 372 case E1000_DEV_ID_I350_VF_HV: 373 mac->type = e1000_vfadapt_i350; 374 break; 375 376 case E1000_DEV_ID_I354_BACKPLANE_1GBPS: 377 case E1000_DEV_ID_I354_SGMII: 378 case E1000_DEV_ID_I354_BACKPLANE_2_5GBPS: 379 mac->type = e1000_i354; 380 break; 381 default: 382 /* Should never have loaded on this device */ 383 ret_val = -E1000_ERR_MAC_INIT; 384 break; 385 } 386 387 return ret_val; 388 } 389 390 /** 391 * e1000_setup_init_funcs - Initializes function pointers 392 * @hw: pointer to the HW structure 393 * @init_device: TRUE will initialize the rest of the function pointers 394 * getting the device ready for use. FALSE will only set 395 * MAC type and the function pointers for the other init 396 * functions. Passing FALSE will not generate any hardware 397 * reads or writes. 398 * 399 * This function must be called by a driver in order to use the rest 400 * of the 'shared' code files. Called by drivers only. 401 **/ 402 s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device) 403 { 404 s32 ret_val; 405 406 /* Can't do much good without knowing the MAC type. */ 407 ret_val = e1000_set_mac_type(hw); 408 if (ret_val) { 409 DEBUGOUT("ERROR: MAC type could not be set properly.\n"); 410 goto out; 411 } 412 413 if (!hw->hw_addr) { 414 DEBUGOUT("ERROR: Registers not mapped\n"); 415 ret_val = -E1000_ERR_CONFIG; 416 goto out; 417 } 418 419 /* 420 * Init function pointers to generic implementations. We do this first 421 * allowing a driver module to override it afterward. 422 */ 423 e1000_init_mac_ops_generic(hw); 424 e1000_init_phy_ops_generic(hw); 425 e1000_init_nvm_ops_generic(hw); 426 e1000_init_mbx_ops_generic(hw); 427 428 /* 429 * Set up the init function pointers. These are functions within the 430 * adapter family file that sets up function pointers for the rest of 431 * the functions in that family. 432 */ 433 switch (hw->mac.type) { 434 case e1000_82542: 435 e1000_init_function_pointers_82542(hw); 436 break; 437 case e1000_82543: 438 case e1000_82544: 439 e1000_init_function_pointers_82543(hw); 440 break; 441 case e1000_82540: 442 case e1000_82545: 443 case e1000_82545_rev_3: 444 case e1000_82546: 445 case e1000_82546_rev_3: 446 e1000_init_function_pointers_82540(hw); 447 break; 448 case e1000_82541: 449 case e1000_82541_rev_2: 450 case e1000_82547: 451 case e1000_82547_rev_2: 452 e1000_init_function_pointers_82541(hw); 453 break; 454 case e1000_82571: 455 case e1000_82572: 456 case e1000_82573: 457 case e1000_82574: 458 case e1000_82583: 459 e1000_init_function_pointers_82571(hw); 460 break; 461 case e1000_80003es2lan: 462 e1000_init_function_pointers_80003es2lan(hw); 463 break; 464 case e1000_ich8lan: 465 case e1000_ich9lan: 466 case e1000_ich10lan: 467 case e1000_pchlan: 468 case e1000_pch2lan: 469 case e1000_pch_lpt: 470 case e1000_pch_spt: 471 case e1000_pch_cnp: 472 e1000_init_function_pointers_ich8lan(hw); 473 break; 474 case e1000_82575: 475 case e1000_82576: 476 case e1000_82580: 477 case e1000_i350: 478 case e1000_i354: 479 e1000_init_function_pointers_82575(hw); 480 break; 481 case e1000_i210: 482 case e1000_i211: 483 e1000_init_function_pointers_i210(hw); 484 break; 485 case e1000_vfadapt: 486 e1000_init_function_pointers_vf(hw); 487 break; 488 case e1000_vfadapt_i350: 489 e1000_init_function_pointers_vf(hw); 490 break; 491 default: 492 DEBUGOUT("Hardware not supported\n"); 493 ret_val = -E1000_ERR_CONFIG; 494 break; 495 } 496 497 /* 498 * Initialize the rest of the function pointers. These require some 499 * register reads/writes in some cases. 500 */ 501 if (!(ret_val) && init_device) { 502 ret_val = e1000_init_mac_params(hw); 503 if (ret_val) 504 goto out; 505 506 ret_val = e1000_init_nvm_params(hw); 507 if (ret_val) 508 goto out; 509 510 ret_val = e1000_init_phy_params(hw); 511 if (ret_val) 512 goto out; 513 514 ret_val = e1000_init_mbx_params(hw); 515 if (ret_val) 516 goto out; 517 } 518 519 out: 520 return ret_val; 521 } 522 523 /** 524 * e1000_get_bus_info - Obtain bus information for adapter 525 * @hw: pointer to the HW structure 526 * 527 * This will obtain information about the HW bus for which the 528 * adapter is attached and stores it in the hw structure. This is a 529 * function pointer entry point called by drivers. 530 **/ 531 s32 e1000_get_bus_info(struct e1000_hw *hw) 532 { 533 if (hw->mac.ops.get_bus_info) 534 return hw->mac.ops.get_bus_info(hw); 535 536 return E1000_SUCCESS; 537 } 538 539 /** 540 * e1000_clear_vfta - Clear VLAN filter table 541 * @hw: pointer to the HW structure 542 * 543 * This clears the VLAN filter table on the adapter. This is a function 544 * pointer entry point called by drivers. 545 **/ 546 void e1000_clear_vfta(struct e1000_hw *hw) 547 { 548 if (hw->mac.ops.clear_vfta) 549 hw->mac.ops.clear_vfta(hw); 550 } 551 552 /** 553 * e1000_write_vfta - Write value to VLAN filter table 554 * @hw: pointer to the HW structure 555 * @offset: the 32-bit offset in which to write the value to. 556 * @value: the 32-bit value to write at location offset. 557 * 558 * This writes a 32-bit value to a 32-bit offset in the VLAN filter 559 * table. This is a function pointer entry point called by drivers. 560 **/ 561 void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value) 562 { 563 if (hw->mac.ops.write_vfta) 564 hw->mac.ops.write_vfta(hw, offset, value); 565 } 566 567 /** 568 * e1000_update_mc_addr_list - Update Multicast addresses 569 * @hw: pointer to the HW structure 570 * @mc_addr_list: array of multicast addresses to program 571 * @mc_addr_count: number of multicast addresses to program 572 * 573 * Updates the Multicast Table Array. 574 * The caller must have a packed mc_addr_list of multicast addresses. 575 **/ 576 void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list, 577 u32 mc_addr_count) 578 { 579 if (hw->mac.ops.update_mc_addr_list) 580 hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, 581 mc_addr_count); 582 } 583 584 /** 585 * e1000_force_mac_fc - Force MAC flow control 586 * @hw: pointer to the HW structure 587 * 588 * Force the MAC's flow control settings. Currently no func pointer exists 589 * and all implementations are handled in the generic version of this 590 * function. 591 **/ 592 s32 e1000_force_mac_fc(struct e1000_hw *hw) 593 { 594 return e1000_force_mac_fc_generic(hw); 595 } 596 597 /** 598 * e1000_check_for_link - Check/Store link connection 599 * @hw: pointer to the HW structure 600 * 601 * This checks the link condition of the adapter and stores the 602 * results in the hw->mac structure. This is a function pointer entry 603 * point called by drivers. 604 **/ 605 s32 e1000_check_for_link(struct e1000_hw *hw) 606 { 607 if (hw->mac.ops.check_for_link) 608 return hw->mac.ops.check_for_link(hw); 609 610 return -E1000_ERR_CONFIG; 611 } 612 613 /** 614 * e1000_check_mng_mode - Check management mode 615 * @hw: pointer to the HW structure 616 * 617 * This checks if the adapter has manageability enabled. 618 * This is a function pointer entry point called by drivers. 619 **/ 620 bool e1000_check_mng_mode(struct e1000_hw *hw) 621 { 622 if (hw->mac.ops.check_mng_mode) 623 return hw->mac.ops.check_mng_mode(hw); 624 625 return FALSE; 626 } 627 628 /** 629 * e1000_mng_write_dhcp_info - Writes DHCP info to host interface 630 * @hw: pointer to the HW structure 631 * @buffer: pointer to the host interface 632 * @length: size of the buffer 633 * 634 * Writes the DHCP information to the host interface. 635 **/ 636 s32 e1000_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length) 637 { 638 return e1000_mng_write_dhcp_info_generic(hw, buffer, length); 639 } 640 641 /** 642 * e1000_reset_hw - Reset hardware 643 * @hw: pointer to the HW structure 644 * 645 * This resets the hardware into a known state. This is a function pointer 646 * entry point called by drivers. 647 **/ 648 s32 e1000_reset_hw(struct e1000_hw *hw) 649 { 650 if (hw->mac.ops.reset_hw) 651 return hw->mac.ops.reset_hw(hw); 652 653 return -E1000_ERR_CONFIG; 654 } 655 656 /** 657 * e1000_init_hw - Initialize hardware 658 * @hw: pointer to the HW structure 659 * 660 * This inits the hardware readying it for operation. This is a function 661 * pointer entry point called by drivers. 662 **/ 663 s32 e1000_init_hw(struct e1000_hw *hw) 664 { 665 if (hw->mac.ops.init_hw) 666 return hw->mac.ops.init_hw(hw); 667 668 return -E1000_ERR_CONFIG; 669 } 670 671 /** 672 * e1000_setup_link - Configures link and flow control 673 * @hw: pointer to the HW structure 674 * 675 * This configures link and flow control settings for the adapter. This 676 * is a function pointer entry point called by drivers. While modules can 677 * also call this, they probably call their own version of this function. 678 **/ 679 s32 e1000_setup_link(struct e1000_hw *hw) 680 { 681 if (hw->mac.ops.setup_link) 682 return hw->mac.ops.setup_link(hw); 683 684 return -E1000_ERR_CONFIG; 685 } 686 687 /** 688 * e1000_get_speed_and_duplex - Returns current speed and duplex 689 * @hw: pointer to the HW structure 690 * @speed: pointer to a 16-bit value to store the speed 691 * @duplex: pointer to a 16-bit value to store the duplex. 692 * 693 * This returns the speed and duplex of the adapter in the two 'out' 694 * variables passed in. This is a function pointer entry point called 695 * by drivers. 696 **/ 697 s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex) 698 { 699 if (hw->mac.ops.get_link_up_info) 700 return hw->mac.ops.get_link_up_info(hw, speed, duplex); 701 702 return -E1000_ERR_CONFIG; 703 } 704 705 /** 706 * e1000_setup_led - Configures SW controllable LED 707 * @hw: pointer to the HW structure 708 * 709 * This prepares the SW controllable LED for use and saves the current state 710 * of the LED so it can be later restored. This is a function pointer entry 711 * point called by drivers. 712 **/ 713 s32 e1000_setup_led(struct e1000_hw *hw) 714 { 715 if (hw->mac.ops.setup_led) 716 return hw->mac.ops.setup_led(hw); 717 718 return E1000_SUCCESS; 719 } 720 721 /** 722 * e1000_cleanup_led - Restores SW controllable LED 723 * @hw: pointer to the HW structure 724 * 725 * This restores the SW controllable LED to the value saved off by 726 * e1000_setup_led. This is a function pointer entry point called by drivers. 727 **/ 728 s32 e1000_cleanup_led(struct e1000_hw *hw) 729 { 730 if (hw->mac.ops.cleanup_led) 731 return hw->mac.ops.cleanup_led(hw); 732 733 return E1000_SUCCESS; 734 } 735 736 /** 737 * e1000_blink_led - Blink SW controllable LED 738 * @hw: pointer to the HW structure 739 * 740 * This starts the adapter LED blinking. Request the LED to be setup first 741 * and cleaned up after. This is a function pointer entry point called by 742 * drivers. 743 **/ 744 s32 e1000_blink_led(struct e1000_hw *hw) 745 { 746 if (hw->mac.ops.blink_led) 747 return hw->mac.ops.blink_led(hw); 748 749 return E1000_SUCCESS; 750 } 751 752 /** 753 * e1000_id_led_init - store LED configurations in SW 754 * @hw: pointer to the HW structure 755 * 756 * Initializes the LED config in SW. This is a function pointer entry point 757 * called by drivers. 758 **/ 759 s32 e1000_id_led_init(struct e1000_hw *hw) 760 { 761 if (hw->mac.ops.id_led_init) 762 return hw->mac.ops.id_led_init(hw); 763 764 return E1000_SUCCESS; 765 } 766 767 /** 768 * e1000_led_on - Turn on SW controllable LED 769 * @hw: pointer to the HW structure 770 * 771 * Turns the SW defined LED on. This is a function pointer entry point 772 * called by drivers. 773 **/ 774 s32 e1000_led_on(struct e1000_hw *hw) 775 { 776 if (hw->mac.ops.led_on) 777 return hw->mac.ops.led_on(hw); 778 779 return E1000_SUCCESS; 780 } 781 782 /** 783 * e1000_led_off - Turn off SW controllable LED 784 * @hw: pointer to the HW structure 785 * 786 * Turns the SW defined LED off. This is a function pointer entry point 787 * called by drivers. 788 **/ 789 s32 e1000_led_off(struct e1000_hw *hw) 790 { 791 if (hw->mac.ops.led_off) 792 return hw->mac.ops.led_off(hw); 793 794 return E1000_SUCCESS; 795 } 796 797 /** 798 * e1000_reset_adaptive - Reset adaptive IFS 799 * @hw: pointer to the HW structure 800 * 801 * Resets the adaptive IFS. Currently no func pointer exists and all 802 * implementations are handled in the generic version of this function. 803 **/ 804 void e1000_reset_adaptive(struct e1000_hw *hw) 805 { 806 e1000_reset_adaptive_generic(hw); 807 } 808 809 /** 810 * e1000_update_adaptive - Update adaptive IFS 811 * @hw: pointer to the HW structure 812 * 813 * Updates adapter IFS. Currently no func pointer exists and all 814 * implementations are handled in the generic version of this function. 815 **/ 816 void e1000_update_adaptive(struct e1000_hw *hw) 817 { 818 e1000_update_adaptive_generic(hw); 819 } 820 821 /** 822 * e1000_disable_pcie_master - Disable PCI-Express master access 823 * @hw: pointer to the HW structure 824 * 825 * Disables PCI-Express master access and verifies there are no pending 826 * requests. Currently no func pointer exists and all implementations are 827 * handled in the generic version of this function. 828 **/ 829 s32 e1000_disable_pcie_master(struct e1000_hw *hw) 830 { 831 return e1000_disable_pcie_master_generic(hw); 832 } 833 834 /** 835 * e1000_config_collision_dist - Configure collision distance 836 * @hw: pointer to the HW structure 837 * 838 * Configures the collision distance to the default value and is used 839 * during link setup. 840 **/ 841 void e1000_config_collision_dist(struct e1000_hw *hw) 842 { 843 if (hw->mac.ops.config_collision_dist) 844 hw->mac.ops.config_collision_dist(hw); 845 } 846 847 /** 848 * e1000_rar_set - Sets a receive address register 849 * @hw: pointer to the HW structure 850 * @addr: address to set the RAR to 851 * @index: the RAR to set 852 * 853 * Sets a Receive Address Register (RAR) to the specified address. 854 **/ 855 int e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index) 856 { 857 if (hw->mac.ops.rar_set) 858 return hw->mac.ops.rar_set(hw, addr, index); 859 860 return E1000_SUCCESS; 861 } 862 863 /** 864 * e1000_validate_mdi_setting - Ensures valid MDI/MDIX SW state 865 * @hw: pointer to the HW structure 866 * 867 * Ensures that the MDI/MDIX SW state is valid. 868 **/ 869 s32 e1000_validate_mdi_setting(struct e1000_hw *hw) 870 { 871 if (hw->mac.ops.validate_mdi_setting) 872 return hw->mac.ops.validate_mdi_setting(hw); 873 874 return E1000_SUCCESS; 875 } 876 877 /** 878 * e1000_hash_mc_addr - Determines address location in multicast table 879 * @hw: pointer to the HW structure 880 * @mc_addr: Multicast address to hash. 881 * 882 * This hashes an address to determine its location in the multicast 883 * table. Currently no func pointer exists and all implementations 884 * are handled in the generic version of this function. 885 **/ 886 u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr) 887 { 888 return e1000_hash_mc_addr_generic(hw, mc_addr); 889 } 890 891 /** 892 * e1000_enable_tx_pkt_filtering - Enable packet filtering on TX 893 * @hw: pointer to the HW structure 894 * 895 * Enables packet filtering on transmit packets if manageability is enabled 896 * and host interface is enabled. 897 * Currently no func pointer exists and all implementations are handled in the 898 * generic version of this function. 899 **/ 900 bool e1000_enable_tx_pkt_filtering(struct e1000_hw *hw) 901 { 902 return e1000_enable_tx_pkt_filtering_generic(hw); 903 } 904 905 /** 906 * e1000_mng_host_if_write - Writes to the manageability host interface 907 * @hw: pointer to the HW structure 908 * @buffer: pointer to the host interface buffer 909 * @length: size of the buffer 910 * @offset: location in the buffer to write to 911 * @sum: sum of the data (not checksum) 912 * 913 * This function writes the buffer content at the offset given on the host if. 914 * It also does alignment considerations to do the writes in most efficient 915 * way. Also fills up the sum of the buffer in *buffer parameter. 916 **/ 917 s32 e1000_mng_host_if_write(struct e1000_hw *hw, u8 *buffer, u16 length, 918 u16 offset, u8 *sum) 919 { 920 return e1000_mng_host_if_write_generic(hw, buffer, length, offset, sum); 921 } 922 923 /** 924 * e1000_mng_write_cmd_header - Writes manageability command header 925 * @hw: pointer to the HW structure 926 * @hdr: pointer to the host interface command header 927 * 928 * Writes the command header after does the checksum calculation. 929 **/ 930 s32 e1000_mng_write_cmd_header(struct e1000_hw *hw, 931 struct e1000_host_mng_command_header *hdr) 932 { 933 return e1000_mng_write_cmd_header_generic(hw, hdr); 934 } 935 936 /** 937 * e1000_mng_enable_host_if - Checks host interface is enabled 938 * @hw: pointer to the HW structure 939 * 940 * Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND 941 * 942 * This function checks whether the HOST IF is enabled for command operation 943 * and also checks whether the previous command is completed. It busy waits 944 * in case of previous command is not completed. 945 **/ 946 s32 e1000_mng_enable_host_if(struct e1000_hw *hw) 947 { 948 return e1000_mng_enable_host_if_generic(hw); 949 } 950 951 /** 952 * e1000_set_obff_timer - Set Optimized Buffer Flush/Fill timer 953 * @hw: pointer to the HW structure 954 * @itr: u32 indicating itr value 955 * 956 * Set the OBFF timer based on the given interrupt rate. 957 **/ 958 s32 e1000_set_obff_timer(struct e1000_hw *hw, u32 itr) 959 { 960 if (hw->mac.ops.set_obff_timer) 961 return hw->mac.ops.set_obff_timer(hw, itr); 962 963 return E1000_SUCCESS; 964 } 965 966 /** 967 * e1000_check_reset_block - Verifies PHY can be reset 968 * @hw: pointer to the HW structure 969 * 970 * Checks if the PHY is in a state that can be reset or if manageability 971 * has it tied up. This is a function pointer entry point called by drivers. 972 **/ 973 s32 e1000_check_reset_block(struct e1000_hw *hw) 974 { 975 if (hw->phy.ops.check_reset_block) 976 return hw->phy.ops.check_reset_block(hw); 977 978 return E1000_SUCCESS; 979 } 980 981 /** 982 * e1000_read_phy_reg - Reads PHY register 983 * @hw: pointer to the HW structure 984 * @offset: the register to read 985 * @data: the buffer to store the 16-bit read. 986 * 987 * Reads the PHY register and returns the value in data. 988 * This is a function pointer entry point called by drivers. 989 **/ 990 s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data) 991 { 992 if (hw->phy.ops.read_reg) 993 return hw->phy.ops.read_reg(hw, offset, data); 994 995 return E1000_SUCCESS; 996 } 997 998 /** 999 * e1000_write_phy_reg - Writes PHY register 1000 * @hw: pointer to the HW structure 1001 * @offset: the register to write 1002 * @data: the value to write. 1003 * 1004 * Writes the PHY register at offset with the value in data. 1005 * This is a function pointer entry point called by drivers. 1006 **/ 1007 s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data) 1008 { 1009 if (hw->phy.ops.write_reg) 1010 return hw->phy.ops.write_reg(hw, offset, data); 1011 1012 return E1000_SUCCESS; 1013 } 1014 1015 /** 1016 * e1000_release_phy - Generic release PHY 1017 * @hw: pointer to the HW structure 1018 * 1019 * Return if silicon family does not require a semaphore when accessing the 1020 * PHY. 1021 **/ 1022 void e1000_release_phy(struct e1000_hw *hw) 1023 { 1024 if (hw->phy.ops.release) 1025 hw->phy.ops.release(hw); 1026 } 1027 1028 /** 1029 * e1000_acquire_phy - Generic acquire PHY 1030 * @hw: pointer to the HW structure 1031 * 1032 * Return success if silicon family does not require a semaphore when 1033 * accessing the PHY. 1034 **/ 1035 s32 e1000_acquire_phy(struct e1000_hw *hw) 1036 { 1037 if (hw->phy.ops.acquire) 1038 return hw->phy.ops.acquire(hw); 1039 1040 return E1000_SUCCESS; 1041 } 1042 1043 /** 1044 * e1000_cfg_on_link_up - Configure PHY upon link up 1045 * @hw: pointer to the HW structure 1046 **/ 1047 s32 e1000_cfg_on_link_up(struct e1000_hw *hw) 1048 { 1049 if (hw->phy.ops.cfg_on_link_up) 1050 return hw->phy.ops.cfg_on_link_up(hw); 1051 1052 return E1000_SUCCESS; 1053 } 1054 1055 /** 1056 * e1000_read_kmrn_reg - Reads register using Kumeran interface 1057 * @hw: pointer to the HW structure 1058 * @offset: the register to read 1059 * @data: the location to store the 16-bit value read. 1060 * 1061 * Reads a register out of 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_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) 1066 { 1067 return e1000_read_kmrn_reg_generic(hw, offset, data); 1068 } 1069 1070 /** 1071 * e1000_write_kmrn_reg - Writes register using Kumeran interface 1072 * @hw: pointer to the HW structure 1073 * @offset: the register to write 1074 * @data: the value to write. 1075 * 1076 * Writes a register to the Kumeran interface. Currently no func pointer 1077 * exists and all implementations are handled in the generic version of 1078 * this function. 1079 **/ 1080 s32 e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data) 1081 { 1082 return e1000_write_kmrn_reg_generic(hw, offset, data); 1083 } 1084 1085 /** 1086 * e1000_get_cable_length - Retrieves cable length estimation 1087 * @hw: pointer to the HW structure 1088 * 1089 * This function estimates the cable length and stores them in 1090 * hw->phy.min_length and hw->phy.max_length. This is a function pointer 1091 * entry point called by drivers. 1092 **/ 1093 s32 e1000_get_cable_length(struct e1000_hw *hw) 1094 { 1095 if (hw->phy.ops.get_cable_length) 1096 return hw->phy.ops.get_cable_length(hw); 1097 1098 return E1000_SUCCESS; 1099 } 1100 1101 /** 1102 * e1000_get_phy_info - Retrieves PHY information from registers 1103 * @hw: pointer to the HW structure 1104 * 1105 * This function gets some information from various PHY registers and 1106 * populates hw->phy values with it. This is a function pointer entry 1107 * point called by drivers. 1108 **/ 1109 s32 e1000_get_phy_info(struct e1000_hw *hw) 1110 { 1111 if (hw->phy.ops.get_info) 1112 return hw->phy.ops.get_info(hw); 1113 1114 return E1000_SUCCESS; 1115 } 1116 1117 /** 1118 * e1000_phy_hw_reset - Hard PHY reset 1119 * @hw: pointer to the HW structure 1120 * 1121 * Performs a hard PHY reset. This is a function pointer entry point called 1122 * by drivers. 1123 **/ 1124 s32 e1000_phy_hw_reset(struct e1000_hw *hw) 1125 { 1126 if (hw->phy.ops.reset) 1127 return hw->phy.ops.reset(hw); 1128 1129 return E1000_SUCCESS; 1130 } 1131 1132 /** 1133 * e1000_phy_commit - Soft PHY reset 1134 * @hw: pointer to the HW structure 1135 * 1136 * Performs a soft PHY reset on those that apply. This is a function pointer 1137 * entry point called by drivers. 1138 **/ 1139 s32 e1000_phy_commit(struct e1000_hw *hw) 1140 { 1141 if (hw->phy.ops.commit) 1142 return hw->phy.ops.commit(hw); 1143 1144 return E1000_SUCCESS; 1145 } 1146 1147 /** 1148 * e1000_set_d0_lplu_state - Sets low power link up state for D0 1149 * @hw: pointer to the HW structure 1150 * @active: boolean used to enable/disable lplu 1151 * 1152 * Success returns 0, Failure returns 1 1153 * 1154 * The low power link up (lplu) state is set to the power management level D0 1155 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D0 1156 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU 1157 * is used during Dx states where the power conservation is most important. 1158 * During driver activity, SmartSpeed should be enabled so performance is 1159 * maintained. This is a function pointer entry point called by drivers. 1160 **/ 1161 s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active) 1162 { 1163 if (hw->phy.ops.set_d0_lplu_state) 1164 return hw->phy.ops.set_d0_lplu_state(hw, active); 1165 1166 return E1000_SUCCESS; 1167 } 1168 1169 /** 1170 * e1000_set_d3_lplu_state - Sets low power link up state for D3 1171 * @hw: pointer to the HW structure 1172 * @active: boolean used to enable/disable lplu 1173 * 1174 * Success returns 0, Failure returns 1 1175 * 1176 * The low power link up (lplu) state is set to the power management level D3 1177 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D3 1178 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU 1179 * is used during Dx states where the power conservation is most important. 1180 * During driver activity, SmartSpeed should be enabled so performance is 1181 * maintained. This is a function pointer entry point called by drivers. 1182 **/ 1183 s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active) 1184 { 1185 if (hw->phy.ops.set_d3_lplu_state) 1186 return hw->phy.ops.set_d3_lplu_state(hw, active); 1187 1188 return E1000_SUCCESS; 1189 } 1190 1191 /** 1192 * e1000_read_mac_addr - Reads MAC address 1193 * @hw: pointer to the HW structure 1194 * 1195 * Reads the MAC address out of the adapter and stores it in the HW structure. 1196 * Currently no func pointer exists and all implementations are handled in the 1197 * generic version of this function. 1198 **/ 1199 s32 e1000_read_mac_addr(struct e1000_hw *hw) 1200 { 1201 if (hw->mac.ops.read_mac_addr) 1202 return hw->mac.ops.read_mac_addr(hw); 1203 1204 return e1000_read_mac_addr_generic(hw); 1205 } 1206 1207 /** 1208 * e1000_read_pba_string - Read device part number string 1209 * @hw: pointer to the HW structure 1210 * @pba_num: pointer to device part number 1211 * @pba_num_size: size of part number buffer 1212 * 1213 * Reads the product board assembly (PBA) number from the EEPROM and stores 1214 * 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_string(struct e1000_hw *hw, u8 *pba_num, u32 pba_num_size) 1219 { 1220 return e1000_read_pba_string_generic(hw, pba_num, pba_num_size); 1221 } 1222 1223 /** 1224 * e1000_read_pba_length - Read device part number string length 1225 * @hw: pointer to the HW structure 1226 * @pba_num_size: size of part number buffer 1227 * 1228 * Reads the product board assembly (PBA) number length from the EEPROM and 1229 * stores 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_length(struct e1000_hw *hw, u32 *pba_num_size) 1234 { 1235 return e1000_read_pba_length_generic(hw, pba_num_size); 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